diff options
511 files changed, 8301 insertions, 3815 deletions
@@ -99,6 +99,8 @@ Linas Vepstas <linas@austin.ibm.com> Linus Lüssing <linus.luessing@c0d3.blue> <linus.luessing@web.de> Linus Lüssing <linus.luessing@c0d3.blue> <linus.luessing@ascom.ch> Mark Brown <broonie@sirena.org.uk> +Martin Kepplinger <martink@posteo.de> <martin.kepplinger@theobroma-systems.com> +Martin Kepplinger <martink@posteo.de> <martin.kepplinger@ginzinger.com> Matthieu CASTET <castet.matthieu@free.fr> Mauro Carvalho Chehab <mchehab@kernel.org> <mchehab@brturbo.com.br> Mauro Carvalho Chehab <mchehab@kernel.org> <maurochehab@gmail.com> @@ -171,6 +173,7 @@ Vlad Dogaru <ddvlad@gmail.com> <vlad.dogaru@intel.com> Vladimir Davydov <vdavydov.dev@gmail.com> <vdavydov@virtuozzo.com> Vladimir Davydov <vdavydov.dev@gmail.com> <vdavydov@parallels.com> Takashi YOSHII <takashi.yoshii.zj@renesas.com> +Yakir Yang <kuankuan.y@gmail.com> <ykk@rock-chips.com> Yusuke Goda <goda.yusuke@renesas.com> Gustavo Padovan <gustavo@las.ic.unicamp.br> Gustavo Padovan <padovan@profusion.mobi> diff --git a/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt b/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt index 9417e54c26c0..ccdabdcc8618 100644 --- a/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt +++ b/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt @@ -7,17 +7,20 @@ interface. Required properties: - compatible: "marvell,orion-mdio" -- reg: address and length of the SMI register +- reg: address and length of the MDIO registers. When an interrupt is + not present, the length is the size of the SMI register (4 bytes) + otherwise it must be 0x84 bytes to cover the interrupt control + registers. Optional properties: - interrupts: interrupt line number for the SMI error/done interrupt -- clocks: Phandle to the clock control device and gate bit +- clocks: phandle for up to three required clocks for the MDIO instance The child nodes of the MDIO driver are the individual PHY devices connected to this MDIO bus. They must have a "reg" property given the PHY address on the MDIO bus. -Example at the SoC level: +Example at the SoC level without an interrupt property: mdio { #address-cells = <1>; @@ -26,6 +29,16 @@ mdio { reg = <0xd0072004 0x4>; }; +Example with an interrupt property: + +mdio { + #address-cells = <1>; + #size-cells = <0>; + compatible = "marvell,orion-mdio"; + reg = <0xd0072004 0x84>; + interrupts = <30>; +}; + And at the board level: mdio { diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index fdcfdd79682a..fe25787ff6d4 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -58,8 +58,7 @@ prototypes: int (*permission) (struct inode *, int, unsigned int); int (*get_acl)(struct inode *, int); int (*setattr) (struct dentry *, struct iattr *); - int (*getattr) (const struct path *, struct dentry *, struct kstat *, - u32, unsigned int); + int (*getattr) (const struct path *, struct kstat *, u32, unsigned int); ssize_t (*listxattr) (struct dentry *, char *, size_t); int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start, u64 len); void (*update_time)(struct inode *, struct timespec *, int); diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting index 95280079c0b3..5fb17f49f7a2 100644 --- a/Documentation/filesystems/porting +++ b/Documentation/filesystems/porting @@ -600,3 +600,9 @@ in your dentry operations instead. [recommended] ->readlink is optional for symlinks. Don't set, unless filesystem needs to fake something for readlink(2). +-- +[mandatory] + ->getattr() is now passed a struct path rather than a vfsmount and + dentry separately, and it now has request_mask and query_flags arguments + to specify the fields and sync type requested by statx. Filesystems not + supporting any statx-specific features may ignore the new arguments. diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index 569211703721..94dd27ef4a76 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt @@ -382,8 +382,7 @@ struct inode_operations { int (*permission) (struct inode *, int); int (*get_acl)(struct inode *, int); int (*setattr) (struct dentry *, struct iattr *); - int (*getattr) (const struct path *, struct dentry *, struct kstat *, - u32, unsigned int); + int (*getattr) (const struct path *, struct kstat *, u32, unsigned int); ssize_t (*listxattr) (struct dentry *, char *, size_t); void (*update_time)(struct inode *, struct timespec *, int); int (*atomic_open)(struct inode *, struct dentry *, struct file *, diff --git a/Documentation/pinctrl.txt b/Documentation/pinctrl.txt index 54bd5faa8782..f2af35f6d6b2 100644 --- a/Documentation/pinctrl.txt +++ b/Documentation/pinctrl.txt @@ -77,9 +77,15 @@ static struct pinctrl_desc foo_desc = { int __init foo_probe(void) { + int error; + struct pinctrl_dev *pctl; - return pinctrl_register_and_init(&foo_desc, <PARENT>, NULL, &pctl); + error = pinctrl_register_and_init(&foo_desc, <PARENT>, NULL, &pctl); + if (error) + return error; + + return pinctrl_enable(pctl); } To enable the pinctrl subsystem and the subgroups for PINMUX and PINCONF and diff --git a/Documentation/process/stable-kernel-rules.rst b/Documentation/process/stable-kernel-rules.rst index 11ec2d93a5e0..61e9c78bd6d1 100644 --- a/Documentation/process/stable-kernel-rules.rst +++ b/Documentation/process/stable-kernel-rules.rst @@ -124,7 +124,7 @@ specified in the following format in the sign-off area: .. code-block:: none - Cc: <stable@vger.kernel.org> # 3.3.x- + Cc: <stable@vger.kernel.org> # 3.3.x The tag has the meaning of: diff --git a/Documentation/virtual/kvm/devices/arm-vgic.txt b/Documentation/virtual/kvm/devices/arm-vgic.txt index 76e61c883347..b2f60ca8b60c 100644 --- a/Documentation/virtual/kvm/devices/arm-vgic.txt +++ b/Documentation/virtual/kvm/devices/arm-vgic.txt @@ -83,6 +83,12 @@ Groups: Bits for undefined preemption levels are RAZ/WI. + For historical reasons and to provide ABI compatibility with userspace we + export the GICC_PMR register in the format of the GICH_VMCR.VMPriMask + field in the lower 5 bits of a word, meaning that userspace must always + use the lower 5 bits to communicate with the KVM device and must shift the + value left by 3 places to obtain the actual priority mask level. + Limitations: - Priorities are not implemented, and registers are RAZ/WI - Currently only implemented for KVM_DEV_TYPE_ARM_VGIC_V2. diff --git a/MAINTAINERS b/MAINTAINERS index 055c7de08db8..7b4b82865179 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4133,14 +4133,13 @@ F: drivers/block/drbd/ F: lib/lru_cache.c F: Documentation/blockdev/drbd/ -DRIVER CORE, KOBJECTS, DEBUGFS, KERNFS AND SYSFS +DRIVER CORE, KOBJECTS, DEBUGFS AND SYSFS M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git S: Supported F: Documentation/kobject.txt F: drivers/base/ F: fs/debugfs/ -F: fs/kernfs/ F: fs/sysfs/ F: include/linux/debugfs.h F: include/linux/kobj* @@ -7225,6 +7224,14 @@ F: arch/mips/include/uapi/asm/kvm* F: arch/mips/include/asm/kvm* F: arch/mips/kvm/ +KERNFS +M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +M: Tejun Heo <tj@kernel.org> +T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git +S: Supported +F: include/linux/kernfs.h +F: fs/kernfs/ + KEXEC M: Eric Biederman <ebiederm@xmission.com> W: http://kernel.org/pub/linux/utils/kernel/kexec/ @@ -12189,12 +12196,17 @@ F: Documentation/accounting/taskstats* F: include/linux/taskstats* F: kernel/taskstats.c -TC CLASSIFIER +TC subsystem M: Jamal Hadi Salim <jhs@mojatatu.com> L: netdev@vger.kernel.org S: Maintained F: include/net/pkt_cls.h +F: include/net/pkt_sched.h +F: include/net/tc_act/ F: include/uapi/linux/pkt_cls.h +F: include/uapi/linux/pkt_sched.h +F: include/uapi/linux/tc_act/ +F: include/uapi/linux/tc_ematch/ F: net/sched/ TCP LOW PRIORITY MODULE @@ -13320,7 +13332,7 @@ F: drivers/virtio/ F: tools/virtio/ F: drivers/net/virtio_net.c F: drivers/block/virtio_blk.c -F: include/linux/virtio_*.h +F: include/linux/virtio*.h F: include/uapi/linux/virtio_*.h F: drivers/crypto/virtio/ @@ -1,7 +1,7 @@ VERSION = 4 PATCHLEVEL = 11 SUBLEVEL = 0 -EXTRAVERSION = -rc5 +EXTRAVERSION = -rc6 NAME = Fearless Coyote # *DOCUMENTATION* diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index 0b961093ca5c..6d76e528ab8f 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -1290,7 +1290,7 @@ SYSCALL_DEFINE1(old_adjtimex, struct timex32 __user *, txc_p) /* copy relevant bits of struct timex. */ if (copy_from_user(&txc, txc_p, offsetof(struct timex32, time)) || copy_from_user(&txc.tick, &txc_p->tick, sizeof(struct timex32) - - offsetof(struct timex32, time))) + offsetof(struct timex32, tick))) return -EFAULT; ret = do_adjtimex(&txc); diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index 96dba7cd8be7..314eb6abe1ff 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -1124,6 +1124,9 @@ static void cpu_hyp_reinit(void) if (__hyp_get_vectors() == hyp_default_vectors) cpu_init_hyp_mode(NULL); } + + if (vgic_present) + kvm_vgic_init_cpu_hardware(); } static void cpu_hyp_reset(void) diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c index 962616fd4ddd..582a972371cf 100644 --- a/arch/arm/kvm/mmu.c +++ b/arch/arm/kvm/mmu.c @@ -292,11 +292,18 @@ static void unmap_stage2_range(struct kvm *kvm, phys_addr_t start, u64 size) phys_addr_t addr = start, end = start + size; phys_addr_t next; + assert_spin_locked(&kvm->mmu_lock); pgd = kvm->arch.pgd + stage2_pgd_index(addr); do { next = stage2_pgd_addr_end(addr, end); if (!stage2_pgd_none(*pgd)) unmap_stage2_puds(kvm, pgd, addr, next); + /* + * If the range is too large, release the kvm->mmu_lock + * to prevent starvation and lockup detector warnings. + */ + if (next != end) + cond_resched_lock(&kvm->mmu_lock); } while (pgd++, addr = next, addr != end); } @@ -803,6 +810,7 @@ void stage2_unmap_vm(struct kvm *kvm) int idx; idx = srcu_read_lock(&kvm->srcu); + down_read(¤t->mm->mmap_sem); spin_lock(&kvm->mmu_lock); slots = kvm_memslots(kvm); @@ -810,6 +818,7 @@ void stage2_unmap_vm(struct kvm *kvm) stage2_unmap_memslot(kvm, memslot); spin_unlock(&kvm->mmu_lock); + up_read(¤t->mm->mmap_sem); srcu_read_unlock(&kvm->srcu, idx); } @@ -829,7 +838,10 @@ void kvm_free_stage2_pgd(struct kvm *kvm) if (kvm->arch.pgd == NULL) return; + spin_lock(&kvm->mmu_lock); unmap_stage2_range(kvm, 0, KVM_PHYS_SIZE); + spin_unlock(&kvm->mmu_lock); + /* Free the HW pgd, one page at a time */ free_pages_exact(kvm->arch.pgd, S2_PGD_SIZE); kvm->arch.pgd = NULL; @@ -1801,6 +1813,7 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm, (KVM_PHYS_SIZE >> PAGE_SHIFT)) return -EFAULT; + down_read(¤t->mm->mmap_sem); /* * A memory region could potentially cover multiple VMAs, and any holes * between them, so iterate over all of them to find out if we can map @@ -1844,8 +1857,10 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm, pa += vm_start - vma->vm_start; /* IO region dirty page logging not allowed */ - if (memslot->flags & KVM_MEM_LOG_DIRTY_PAGES) - return -EINVAL; + if (memslot->flags & KVM_MEM_LOG_DIRTY_PAGES) { + ret = -EINVAL; + goto out; + } ret = kvm_phys_addr_ioremap(kvm, gpa, pa, vm_end - vm_start, @@ -1857,7 +1872,7 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm, } while (hva < reg_end); if (change == KVM_MR_FLAGS_ONLY) - return ret; + goto out; spin_lock(&kvm->mmu_lock); if (ret) @@ -1865,6 +1880,8 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm, else stage2_flush_memslot(kvm, memslot); spin_unlock(&kvm->mmu_lock); +out: + up_read(¤t->mm->mmap_sem); return ret; } diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 63eabb06f9f1..475811f5383a 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -935,13 +935,31 @@ static void arm_coherent_dma_free(struct device *dev, size_t size, void *cpu_add __arm_dma_free(dev, size, cpu_addr, handle, attrs, true); } +/* + * The whole dma_get_sgtable() idea is fundamentally unsafe - it seems + * that the intention is to allow exporting memory allocated via the + * coherent DMA APIs through the dma_buf API, which only accepts a + * scattertable. This presents a couple of problems: + * 1. Not all memory allocated via the coherent DMA APIs is backed by + * a struct page + * 2. Passing coherent DMA memory into the streaming APIs is not allowed + * as we will try to flush the memory through a different alias to that + * actually being used (and the flushes are redundant.) + */ int arm_dma_get_sgtable(struct device *dev, struct sg_table *sgt, void *cpu_addr, dma_addr_t handle, size_t size, unsigned long attrs) { - struct page *page = pfn_to_page(dma_to_pfn(dev, handle)); + unsigned long pfn = dma_to_pfn(dev, handle); + struct page *page; int ret; + /* If the PFN is not valid, we do not have a struct page */ + if (!pfn_valid(pfn)) + return -ENXIO; + + page = pfn_to_page(pfn); + ret = sg_alloc_table(sgt, 1, GFP_KERNEL); if (unlikely(ret)) return ret; diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index 3b5c7aaf9c76..33a45bd96860 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -303,7 +303,10 @@ static inline void set_vbar(unsigned long val) */ static inline bool security_extensions_enabled(void) { - return !!cpuid_feature_extract(CPUID_EXT_PFR1, 4); + /* Check CPUID Identification Scheme before ID_PFR1 read */ + if ((read_cpuid_id() & 0x000f0000) == 0x000f0000) + return !!cpuid_feature_extract(CPUID_EXT_PFR1, 4); + return 0; } static unsigned long __init setup_vectors_base(void) diff --git a/arch/arm/probes/kprobes/core.c b/arch/arm/probes/kprobes/core.c index b6dc9d838a9a..ad1f4e6a9e33 100644 --- a/arch/arm/probes/kprobes/core.c +++ b/arch/arm/probes/kprobes/core.c @@ -266,11 +266,20 @@ void __kprobes kprobe_handler(struct pt_regs *regs) #endif if (p) { - if (cur) { + if (!p->ainsn.insn_check_cc(regs->ARM_cpsr)) { + /* + * Probe hit but conditional execution check failed, + * so just skip the instruction and continue as if + * nothing had happened. + * In this case, we can skip recursing check too. + */ + singlestep_skip(p, regs); + } else if (cur) { /* Kprobe is pending, so we're recursing. */ switch (kcb->kprobe_status) { case KPROBE_HIT_ACTIVE: case KPROBE_HIT_SSDONE: + case KPROBE_HIT_SS: /* A pre- or post-handler probe got us here. */ kprobes_inc_nmissed_count(p); save_previous_kprobe(kcb); @@ -279,11 +288,16 @@ void __kprobes kprobe_handler(struct pt_regs *regs) singlestep(p, regs, kcb); restore_previous_kprobe(kcb); break; + case KPROBE_REENTER: + /* A nested probe was hit in FIQ, it is a BUG */ + pr_warn("Unrecoverable kprobe detected at %p.\n", + p->addr); + /* fall through */ default: /* impossible cases */ BUG(); } - } else if (p->ainsn.insn_check_cc(regs->ARM_cpsr)) { + } else { /* Probe hit and conditional execution check ok. */ set_current_kprobe(p); kcb->kprobe_status = KPROBE_HIT_ACTIVE; @@ -304,13 +318,6 @@ void __kprobes kprobe_handler(struct pt_regs *regs) } reset_current_kprobe(); } - } else { - /* - * Probe hit but conditional execution check failed, - * so just skip the instruction and continue as if - * nothing had happened. - */ - singlestep_skip(p, regs); } } else if (cur) { /* We probably hit a jprobe. Call its break handler. */ @@ -434,6 +441,7 @@ static __used __kprobes void *trampoline_handler(struct pt_regs *regs) struct hlist_node *tmp; unsigned long flags, orig_ret_address = 0; unsigned long trampoline_address = (unsigned long)&kretprobe_trampoline; + kprobe_opcode_t *correct_ret_addr = NULL; INIT_HLIST_HEAD(&empty_rp); kretprobe_hash_lock(current, &head, &flags); @@ -456,14 +464,34 @@ static __used __kprobes void *trampoline_handler(struct pt_regs *regs) /* another task is sharing our hash bucket */ continue; + orig_ret_address = (unsigned long)ri->ret_addr; + + if (orig_ret_address != trampoline_address) + /* + * This is the real return address. Any other + * instances associated with this task are for + * other calls deeper on the call stack + */ + break; + } + + kretprobe_assert(ri, orig_ret_address, trampoline_address); + + correct_ret_addr = ri->ret_addr; + hlist_for_each_entry_safe(ri, tmp, head, hlist) { + if (ri->task != current) + /* another task is sharing our hash bucket */ + continue; + + orig_ret_address = (unsigned long)ri->ret_addr; if (ri->rp && ri->rp->handler) { __this_cpu_write(current_kprobe, &ri->rp->kp); get_kprobe_ctlblk()->kprobe_status = KPROBE_HIT_ACTIVE; + ri->ret_addr = correct_ret_addr; ri->rp->handler(ri, regs); __this_cpu_write(current_kprobe, NULL); } - orig_ret_address = (unsigned long)ri->ret_addr; recycle_rp_inst(ri, &empty_rp); if (orig_ret_address != trampoline_address) @@ -475,7 +503,6 @@ static __used __kprobes void *trampoline_handler(struct pt_regs *regs) break; } - kretprobe_assert(ri, orig_ret_address, trampoline_address); kretprobe_hash_unlock(current, &flags); hlist_for_each_entry_safe(ri, tmp, &empty_rp, hlist) { diff --git a/arch/arm/probes/kprobes/test-core.c b/arch/arm/probes/kprobes/test-core.c index c893726aa52d..1c98a87786ca 100644 --- a/arch/arm/probes/kprobes/test-core.c +++ b/arch/arm/probes/kprobes/test-core.c @@ -977,7 +977,10 @@ static void coverage_end(void) void __naked __kprobes_test_case_start(void) { __asm__ __volatile__ ( - "stmdb sp!, {r4-r11} \n\t" + "mov r2, sp \n\t" + "bic r3, r2, #7 \n\t" + "mov sp, r3 \n\t" + "stmdb sp!, {r2-r11} \n\t" "sub sp, sp, #"__stringify(TEST_MEMORY_SIZE)"\n\t" "bic r0, lr, #1 @ r0 = inline data \n\t" "mov r1, sp \n\t" @@ -997,7 +1000,8 @@ void __naked __kprobes_test_case_end_32(void) "movne pc, r0 \n\t" "mov r0, r4 \n\t" "add sp, sp, #"__stringify(TEST_MEMORY_SIZE)"\n\t" - "ldmia sp!, {r4-r11} \n\t" + "ldmia sp!, {r2-r11} \n\t" + "mov sp, r2 \n\t" "mov pc, r0 \n\t" ); } @@ -1013,7 +1017,8 @@ void __naked __kprobes_test_case_end_16(void) "bxne r0 \n\t" "mov r0, r4 \n\t" "add sp, sp, #"__stringify(TEST_MEMORY_SIZE)"\n\t" - "ldmia sp!, {r4-r11} \n\t" + "ldmia sp!, {r2-r11} \n\t" + "mov sp, r2 \n\t" "bx r0 \n\t" ); } diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index 4bf899fb451b..1b35b8bddbfb 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -42,7 +42,20 @@ #include <asm/pgtable.h> #include <asm/tlbflush.h> -static const char *fault_name(unsigned int esr); +struct fault_info { + int (*fn)(unsigned long addr, unsigned int esr, + struct pt_regs *regs); + int sig; + int code; + const char *name; +}; + +static const struct fault_info fault_info[]; + +static inline const struct fault_info *esr_to_fault_info(unsigned int esr) +{ + return fault_info + (esr & 63); +} #ifdef CONFIG_KPROBES static inline int notify_page_fault(struct pt_regs *regs, unsigned int esr) @@ -197,10 +210,12 @@ static void __do_user_fault(struct task_struct *tsk, unsigned long addr, struct pt_regs *regs) { struct siginfo si; + const struct fault_info *inf; if (unhandled_signal(tsk, sig) && show_unhandled_signals_ratelimited()) { + inf = esr_to_fault_info(esr); pr_info("%s[%d]: unhandled %s (%d) at 0x%08lx, esr 0x%03x\n", - tsk->comm, task_pid_nr(tsk), fault_name(esr), sig, + tsk->comm, task_pid_nr(tsk), inf->name, sig, addr, esr); show_pte(tsk->mm, addr); show_regs(regs); @@ -219,14 +234,16 @@ static void do_bad_area(unsigned long addr, unsigned int esr, struct pt_regs *re { struct task_struct *tsk = current; struct mm_struct *mm = tsk->active_mm; + const struct fault_info *inf; /* * If we are in kernel mode at this point, we have no context to * handle this fault with. */ - if (user_mode(regs)) - __do_user_fault(tsk, addr, esr, SIGSEGV, SEGV_MAPERR, regs); - else + if (user_mode(regs)) { + inf = esr_to_fault_info(esr); + __do_user_fault(tsk, addr, esr, inf->sig, inf->code, regs); + } else __do_kernel_fault(mm, addr, esr, regs); } @@ -488,12 +505,7 @@ static int do_bad(unsigned long addr, unsigned int esr, struct pt_regs *regs) return 1; } -static const struct fault_info { - int (*fn)(unsigned long addr, unsigned int esr, struct pt_regs *regs); - int sig; - int code; - const char *name; -} fault_info[] = { +static const struct fault_info fault_info[] = { { do_bad, SIGBUS, 0, "ttbr address size fault" }, { do_bad, SIGBUS, 0, "level 1 address size fault" }, { do_bad, SIGBUS, 0, "level 2 address size fault" }, @@ -560,19 +572,13 @@ static const struct fault_info { { do_bad, SIGBUS, 0, "unknown 63" }, }; -static const char *fault_name(unsigned int esr) -{ - const struct fault_info *inf = fault_info + (esr & 63); - return inf->name; -} - /* * Dispatch a data abort to the relevant handler. */ asmlinkage void __exception do_mem_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs) { - const struct fault_info *inf = fault_info + (esr & 63); + const struct fault_info *inf = esr_to_fault_info(esr); struct siginfo info; if (!inf->fn(addr, esr, regs)) diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c index e25584d72396..7514a000e361 100644 --- a/arch/arm64/mm/hugetlbpage.c +++ b/arch/arm64/mm/hugetlbpage.c @@ -294,10 +294,6 @@ static __init int setup_hugepagesz(char *opt) hugetlb_add_hstate(PMD_SHIFT - PAGE_SHIFT); } else if (ps == PUD_SIZE) { hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT); - } else if (ps == (PAGE_SIZE * CONT_PTES)) { - hugetlb_add_hstate(CONT_PTE_SHIFT); - } else if (ps == (PMD_SIZE * CONT_PMDS)) { - hugetlb_add_hstate((PMD_SHIFT + CONT_PMD_SHIFT) - PAGE_SHIFT); } else { hugetlb_bad_size(); pr_err("hugepagesz: Unsupported page size %lu K\n", ps >> 10); @@ -306,13 +302,3 @@ static __init int setup_hugepagesz(char *opt) return 1; } __setup("hugepagesz=", setup_hugepagesz); - -#ifdef CONFIG_ARM64_64K_PAGES -static __init int add_default_hugepagesz(void) -{ - if (size_to_hstate(CONT_PTES * PAGE_SIZE) == NULL) - hugetlb_add_hstate(CONT_PTE_SHIFT); - return 0; -} -arch_initcall(add_default_hugepagesz); -#endif diff --git a/arch/ia64/include/asm/asm-prototypes.h b/arch/ia64/include/asm/asm-prototypes.h new file mode 100644 index 000000000000..a2c139808cfe --- /dev/null +++ b/arch/ia64/include/asm/asm-prototypes.h @@ -0,0 +1,29 @@ +#ifndef _ASM_IA64_ASM_PROTOTYPES_H +#define _ASM_IA64_ASM_PROTOTYPES_H + +#include <asm/cacheflush.h> +#include <asm/checksum.h> +#include <asm/esi.h> +#include <asm/ftrace.h> +#include <asm/page.h> +#include <asm/pal.h> +#include <asm/string.h> +#include <asm/uaccess.h> +#include <asm/unwind.h> +#include <asm/xor.h> + +extern const char ia64_ivt[]; + +signed int __divsi3(signed int, unsigned int); +signed int __modsi3(signed int, unsigned int); + +signed long long __divdi3(signed long long, unsigned long long); +signed long long __moddi3(signed long long, unsigned long long); + +unsigned int __udivsi3(unsigned int, unsigned int); +unsigned int __umodsi3(unsigned int, unsigned int); + +unsigned long long __udivdi3(unsigned long long, unsigned long long); +unsigned long long __umoddi3(unsigned long long, unsigned long long); + +#endif /* _ASM_IA64_ASM_PROTOTYPES_H */ diff --git a/arch/ia64/lib/Makefile b/arch/ia64/lib/Makefile index 1f3d3877618f..0a40b14407b1 100644 --- a/arch/ia64/lib/Makefile +++ b/arch/ia64/lib/Makefile @@ -24,25 +24,25 @@ AFLAGS___modsi3.o = -DMODULO AFLAGS___umodsi3.o = -DUNSIGNED -DMODULO $(obj)/__divdi3.o: $(src)/idiv64.S FORCE - $(call if_changed_dep,as_o_S) + $(call if_changed_rule,as_o_S) $(obj)/__udivdi3.o: $(src)/idiv64.S FORCE - $(call if_changed_dep,as_o_S) + $(call if_changed_rule,as_o_S) $(obj)/__moddi3.o: $(src)/idiv64.S FORCE - $(call if_changed_dep,as_o_S) + $(call if_changed_rule,as_o_S) $(obj)/__umoddi3.o: $(src)/idiv64.S FORCE - $(call if_changed_dep,as_o_S) + $(call if_changed_rule,as_o_S) $(obj)/__divsi3.o: $(src)/idiv32.S FORCE - $(call if_changed_dep,as_o_S) + $(call if_changed_rule,as_o_S) $(obj)/__udivsi3.o: $(src)/idiv32.S FORCE - $(call if_changed_dep,as_o_S) + $(call if_changed_rule,as_o_S) $(obj)/__modsi3.o: $(src)/idiv32.S FORCE - $(call if_changed_dep,as_o_S) + $(call if_changed_rule,as_o_S) $(obj)/__umodsi3.o: $(src)/idiv32.S FORCE - $(call if_changed_dep,as_o_S) + $(call if_changed_rule,as_o_S) diff --git a/arch/metag/include/asm/uaccess.h b/arch/metag/include/asm/uaccess.h index 273e61225c27..07238b39638c 100644 --- a/arch/metag/include/asm/uaccess.h +++ b/arch/metag/include/asm/uaccess.h @@ -197,20 +197,21 @@ extern long __must_check strnlen_user(const char __user *src, long count); #define strlen_user(str) strnlen_user(str, 32767) -extern unsigned long __must_check __copy_user_zeroing(void *to, - const void __user *from, - unsigned long n); +extern unsigned long raw_copy_from_user(void *to, const void __user *from, + unsigned long n); static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n) { + unsigned long res = n; if (likely(access_ok(VERIFY_READ, from, n))) - return __copy_user_zeroing(to, from, n); - memset(to, 0, n); - return n; + res = raw_copy_from_user(to, from, n); + if (unlikely(res)) + memset(to + (n - res), 0, res); + return res; } -#define __copy_from_user(to, from, n) __copy_user_zeroing(to, from, n) +#define __copy_from_user(to, from, n) raw_copy_from_user(to, from, n) #define __copy_from_user_inatomic __copy_from_user extern unsigned long __must_check __copy_user(void __user *to, diff --git a/arch/metag/lib/usercopy.c b/arch/metag/lib/usercopy.c index b3ebfe9c8e88..2792fc621088 100644 --- a/arch/metag/lib/usercopy.c +++ b/arch/metag/lib/usercopy.c @@ -29,7 +29,6 @@ COPY \ "1:\n" \ " .section .fixup,\"ax\"\n" \ - " MOV D1Ar1,#0\n" \ FIXUP \ " MOVT D1Ar1,#HI(1b)\n" \ " JUMP D1Ar1,#LO(1b)\n" \ @@ -260,27 +259,31 @@ "MGETL D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ "22:\n" \ "MSETL [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ - "SUB %3, %3, #32\n" \ "23:\n" \ - "MGETL D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ + "SUB %3, %3, #32\n" \ "24:\n" \ + "MGETL D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ + "25:\n" \ "MSETL [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ + "26:\n" \ "SUB %3, %3, #32\n" \ "DCACHE [%1+#-64], D0Ar6\n" \ "BR $Lloop"id"\n" \ \ "MOV RAPF, %1\n" \ - "25:\n" \ + "27:\n" \ "MGETL D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ - "26:\n" \ + "28:\n" \ "MSETL [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ + "29:\n" \ "SUB %3, %3, #32\n" \ - "27:\n" \ + "30:\n" \ "MGETL D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ - "28:\n" \ + "31:\n" \ "MSETL [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ + "32:\n" \ "SUB %0, %0, #8\n" \ - "29:\n" \ + "33:\n" \ "SETL [%0++], D0.7, D1.7\n" \ "SUB %3, %3, #32\n" \ "1:" \ @@ -312,11 +315,15 @@ " .long 26b,3b\n" \ " .long 27b,3b\n" \ " .long 28b,3b\n" \ - " .long 29b,4b\n" \ + " .long 29b,3b\n" \ + " .long 30b,3b\n" \ + " .long 31b,3b\n" \ + " .long 32b,3b\n" \ + " .long 33b,4b\n" \ " .previous\n" \ : "=r" (to), "=r" (from), "=r" (ret), "=d" (n) \ : "0" (to), "1" (from), "2" (ret), "3" (n) \ - : "D1Ar1", "D0Ar2", "memory") + : "D1Ar1", "D0Ar2", "cc", "memory") /* rewind 'to' and 'from' pointers when a fault occurs * @@ -342,7 +349,7 @@ #define __asm_copy_to_user_64bit_rapf_loop(to, from, ret, n, id)\ __asm_copy_user_64bit_rapf_loop(to, from, ret, n, id, \ "LSR D0Ar2, D0Ar2, #8\n" \ - "AND D0Ar2, D0Ar2, #0x7\n" \ + "ANDS D0Ar2, D0Ar2, #0x7\n" \ "ADDZ D0Ar2, D0Ar2, #4\n" \ "SUB D0Ar2, D0Ar2, #1\n" \ "MOV D1Ar1, #4\n" \ @@ -403,47 +410,55 @@ "MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ "22:\n" \ "MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ - "SUB %3, %3, #16\n" \ "23:\n" \ - "MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ - "24:\n" \ - "MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ "SUB %3, %3, #16\n" \ - "25:\n" \ + "24:\n" \ "MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ - "26:\n" \ + "25:\n" \ "MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ + "26:\n" \ "SUB %3, %3, #16\n" \ "27:\n" \ "MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ "28:\n" \ "MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ + "29:\n" \ + "SUB %3, %3, #16\n" \ + "30:\n" \ + "MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ + "31:\n" \ + "MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ + "32:\n" \ "SUB %3, %3, #16\n" \ "DCACHE [%1+#-64], D0Ar6\n" \ "BR $Lloop"id"\n" \ \ "MOV RAPF, %1\n" \ - "29:\n" \ + "33:\n" \ "MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ - "30:\n" \ + "34:\n" \ "MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ + "35:\n" \ "SUB %3, %3, #16\n" \ - "31:\n" \ + "36:\n" \ "MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ - "32:\n" \ + "37:\n" \ "MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ + "38:\n" \ "SUB %3, %3, #16\n" \ - "33:\n" \ + "39:\n" \ "MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ - "34:\n" \ + "40:\n" \ "MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ + "41:\n" \ "SUB %3, %3, #16\n" \ - "35:\n" \ + "42:\n" \ "MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ - "36:\n" \ + "43:\n" \ "MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ + "44:\n" \ "SUB %0, %0, #4\n" \ - "37:\n" \ + "45:\n" \ "SETD [%0++], D0.7\n" \ "SUB %3, %3, #16\n" \ "1:" \ @@ -483,11 +498,19 @@ " .long 34b,3b\n" \ " .long 35b,3b\n" \ " .long 36b,3b\n" \ - " .long 37b,4b\n" \ + " .long 37b,3b\n" \ + " .long 38b,3b\n" \ + " .long 39b,3b\n" \ + " .long 40b,3b\n" \ + " .long 41b,3b\n" \ + " .long 42b,3b\n" \ + " .long 43b,3b\n" \ + " .long 44b,3b\n" \ + " .long 45b,4b\n" \ " .previous\n" \ : "=r" (to), "=r" (from), "=r" (ret), "=d" (n) \ : "0" (to), "1" (from), "2" (ret), "3" (n) \ - : "D1Ar1", "D0Ar2", "memory") + : "D1Ar1", "D0Ar2", "cc", "memory") /* rewind 'to' and 'from' pointers when a fault occurs * @@ -513,7 +536,7 @@ #define __asm_copy_to_user_32bit_rapf_loop(to, from, ret, n, id)\ __asm_copy_user_32bit_rapf_loop(to, from, ret, n, id, \ "LSR D0Ar2, D0Ar2, #8\n" \ - "AND D0Ar2, D0Ar2, #0x7\n" \ + "ANDS D0Ar2, D0Ar2, #0x7\n" \ "ADDZ D0Ar2, D0Ar2, #4\n" \ "SUB D0Ar2, D0Ar2, #1\n" \ "MOV D1Ar1, #4\n" \ @@ -538,23 +561,31 @@ unsigned long __copy_user(void __user *pdst, const void *psrc, if ((unsigned long) src & 1) { __asm_copy_to_user_1(dst, src, retn); n--; + if (retn) + return retn + n; } if ((unsigned long) dst & 1) { /* Worst case - byte copy */ while (n > 0) { __asm_copy_to_user_1(dst, src, retn); n--; + if (retn) + return retn + n; } } if (((unsigned long) src & 2) && n >= 2) { __asm_copy_to_user_2(dst, src, retn); n -= 2; + if (retn) + return retn + n; } if ((unsigned long) dst & 2) { /* Second worst case - word copy */ while (n >= 2) { __asm_copy_to_user_2(dst, src, retn); n -= 2; + if (retn) + return retn + n; } } @@ -569,6 +600,8 @@ unsigned long __copy_user(void __user *pdst, const void *psrc, while (n >= 8) { __asm_copy_to_user_8x64(dst, src, retn); n -= 8; + if (retn) + return retn + n; } } if (n >= RAPF_MIN_BUF_SIZE) { @@ -581,6 +614,8 @@ unsigned long __copy_user(void __user *pdst, const void *psrc, while (n >= 8) { __asm_copy_to_user_8x64(dst, src, retn); n -= 8; + if (retn) + return retn + n; } } #endif @@ -588,11 +623,15 @@ unsigned long __copy_user(void __user *pdst, const void *psrc, while (n >= 16) { __asm_copy_to_user_16(dst, src, retn); n -= 16; + if (retn) + return retn + n; } while (n >= 4) { __asm_copy_to_user_4(dst, src, retn); n -= 4; + if (retn) + return retn + n; } switch (n) { @@ -609,6 +648,10 @@ unsigned long __copy_user(void __user *pdst, const void *psrc, break; } + /* + * If we get here, retn correctly reflects the number of failing + * bytes. + */ return retn; } EXPORT_SYMBOL(__copy_user); @@ -617,16 +660,14 @@ EXPORT_SYMBOL(__copy_user); __asm_copy_user_cont(to, from, ret, \ " GETB D1Ar1,[%1++]\n" \ "2: SETB [%0++],D1Ar1\n", \ - "3: ADD %2,%2,#1\n" \ - " SETB [%0++],D1Ar1\n", \ + "3: ADD %2,%2,#1\n", \ " .long 2b,3b\n") #define __asm_copy_from_user_2x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ __asm_copy_user_cont(to, from, ret, \ " GETW D1Ar1,[%1++]\n" \ "2: SETW [%0++],D1Ar1\n" COPY, \ - "3: ADD %2,%2,#2\n" \ - " SETW [%0++],D1Ar1\n" FIXUP, \ + "3: ADD %2,%2,#2\n" FIXUP, \ " .long 2b,3b\n" TENTRY) #define __asm_copy_from_user_2(to, from, ret) \ @@ -636,145 +677,26 @@ EXPORT_SYMBOL(__copy_user); __asm_copy_from_user_2x_cont(to, from, ret, \ " GETB D1Ar1,[%1++]\n" \ "4: SETB [%0++],D1Ar1\n", \ - "5: ADD %2,%2,#1\n" \ - " SETB [%0++],D1Ar1\n", \ + "5: ADD %2,%2,#1\n", \ " .long 4b,5b\n") #define __asm_copy_from_user_4x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ __asm_copy_user_cont(to, from, ret, \ " GETD D1Ar1,[%1++]\n" \ "2: SETD [%0++],D1Ar1\n" COPY, \ - "3: ADD %2,%2,#4\n" \ - " SETD [%0++],D1Ar1\n" FIXUP, \ + "3: ADD %2,%2,#4\n" FIXUP, \ " .long 2b,3b\n" TENTRY) #define __asm_copy_from_user_4(to, from, ret) \ __asm_copy_from_user_4x_cont(to, from, ret, "", "", "") -#define __asm_copy_from_user_5(to, from, ret) \ - __asm_copy_from_user_4x_cont(to, from, ret, \ - " GETB D1Ar1,[%1++]\n" \ - "4: SETB [%0++],D1Ar1\n", \ - "5: ADD %2,%2,#1\n" \ - " SETB [%0++],D1Ar1\n", \ - " .long 4b,5b\n") - -#define __asm_copy_from_user_6x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_from_user_4x_cont(to, from, ret, \ - " GETW D1Ar1,[%1++]\n" \ - "4: SETW [%0++],D1Ar1\n" COPY, \ - "5: ADD %2,%2,#2\n" \ - " SETW [%0++],D1Ar1\n" FIXUP, \ - " .long 4b,5b\n" TENTRY) - -#define __asm_copy_from_user_6(to, from, ret) \ - __asm_copy_from_user_6x_cont(to, from, ret, "", "", "") - -#define __asm_copy_from_user_7(to, from, ret) \ - __asm_copy_from_user_6x_cont(to, from, ret, \ - " GETB D1Ar1,[%1++]\n" \ - "6: SETB [%0++],D1Ar1\n", \ - "7: ADD %2,%2,#1\n" \ - " SETB [%0++],D1Ar1\n", \ - " .long 6b,7b\n") - -#define __asm_copy_from_user_8x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_from_user_4x_cont(to, from, ret, \ - " GETD D1Ar1,[%1++]\n" \ - "4: SETD [%0++],D1Ar1\n" COPY, \ - "5: ADD %2,%2,#4\n" \ - " SETD [%0++],D1Ar1\n" FIXUP, \ - " .long 4b,5b\n" TENTRY) - -#define __asm_copy_from_user_8(to, from, ret) \ - __asm_copy_from_user_8x_cont(to, from, ret, "", "", "") - -#define __asm_copy_from_user_9(to, from, ret) \ - __asm_copy_from_user_8x_cont(to, from, ret, \ - " GETB D1Ar1,[%1++]\n" \ - "6: SETB [%0++],D1Ar1\n", \ - "7: ADD %2,%2,#1\n" \ - " SETB [%0++],D1Ar1\n", \ - " .long 6b,7b\n") - -#define __asm_copy_from_user_10x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_from_user_8x_cont(to, from, ret, \ - " GETW D1Ar1,[%1++]\n" \ - "6: SETW [%0++],D1Ar1\n" COPY, \ - "7: ADD %2,%2,#2\n" \ - " SETW [%0++],D1Ar1\n" FIXUP, \ - " .long 6b,7b\n" TENTRY) - -#define __asm_copy_from_user_10(to, from, ret) \ - __asm_copy_from_user_10x_cont(to, from, ret, "", "", "") - -#define __asm_copy_from_user_11(to, from, ret) \ - __asm_copy_from_user_10x_cont(to, from, ret, \ - " GETB D1Ar1,[%1++]\n" \ - "8: SETB [%0++],D1Ar1\n", \ - "9: ADD %2,%2,#1\n" \ - " SETB [%0++],D1Ar1\n", \ - " .long 8b,9b\n") - -#define __asm_copy_from_user_12x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_from_user_8x_cont(to, from, ret, \ - " GETD D1Ar1,[%1++]\n" \ - "6: SETD [%0++],D1Ar1\n" COPY, \ - "7: ADD %2,%2,#4\n" \ - " SETD [%0++],D1Ar1\n" FIXUP, \ - " .long 6b,7b\n" TENTRY) - -#define __asm_copy_from_user_12(to, from, ret) \ - __asm_copy_from_user_12x_cont(to, from, ret, "", "", "") - -#define __asm_copy_from_user_13(to, from, ret) \ - __asm_copy_from_user_12x_cont(to, from, ret, \ - " GETB D1Ar1,[%1++]\n" \ - "8: SETB [%0++],D1Ar1\n", \ - "9: ADD %2,%2,#1\n" \ - " SETB [%0++],D1Ar1\n", \ - " .long 8b,9b\n") - -#define __asm_copy_from_user_14x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_from_user_12x_cont(to, from, ret, \ - " GETW D1Ar1,[%1++]\n" \ - "8: SETW [%0++],D1Ar1\n" COPY, \ - "9: ADD %2,%2,#2\n" \ - " SETW [%0++],D1Ar1\n" FIXUP, \ - " .long 8b,9b\n" TENTRY) - -#define __asm_copy_from_user_14(to, from, ret) \ - __asm_copy_from_user_14x_cont(to, from, ret, "", "", "") - -#define __asm_copy_from_user_15(to, from, ret) \ - __asm_copy_from_user_14x_cont(to, from, ret, \ - " GETB D1Ar1,[%1++]\n" \ - "10: SETB [%0++],D1Ar1\n", \ - "11: ADD %2,%2,#1\n" \ - " SETB [%0++],D1Ar1\n", \ - " .long 10b,11b\n") - -#define __asm_copy_from_user_16x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_from_user_12x_cont(to, from, ret, \ - " GETD D1Ar1,[%1++]\n" \ - "8: SETD [%0++],D1Ar1\n" COPY, \ - "9: ADD %2,%2,#4\n" \ - " SETD [%0++],D1Ar1\n" FIXUP, \ - " .long 8b,9b\n" TENTRY) - -#define __asm_copy_from_user_16(to, from, ret) \ - __asm_copy_from_user_16x_cont(to, from, ret, "", "", "") - #define __asm_copy_from_user_8x64(to, from, ret) \ asm volatile ( \ " GETL D0Ar2,D1Ar1,[%1++]\n" \ "2: SETL [%0++],D0Ar2,D1Ar1\n" \ "1:\n" \ " .section .fixup,\"ax\"\n" \ - " MOV D1Ar1,#0\n" \ - " MOV D0Ar2,#0\n" \ "3: ADD %2,%2,#8\n" \ - " SETL [%0++],D0Ar2,D1Ar1\n" \ " MOVT D0Ar2,#HI(1b)\n" \ " JUMP D0Ar2,#LO(1b)\n" \ " .previous\n" \ @@ -789,36 +711,57 @@ EXPORT_SYMBOL(__copy_user); * * Rationale: * A fault occurs while reading from user buffer, which is the - * source. Since the fault is at a single address, we only - * need to rewind by 8 bytes. + * source. * Since we don't write to kernel buffer until we read first, * the kernel buffer is at the right state and needn't be - * corrected. + * corrected, but the source must be rewound to the beginning of + * the block, which is LSM_STEP*8 bytes. + * LSM_STEP is bits 10:8 in TXSTATUS which is already read + * and stored in D0Ar2 + * + * NOTE: If a fault occurs at the last operation in M{G,S}ETL + * LSM_STEP will be 0. ie: we do 4 writes in our case, if + * a fault happens at the 4th write, LSM_STEP will be 0 + * instead of 4. The code copes with that. */ #define __asm_copy_from_user_64bit_rapf_loop(to, from, ret, n, id) \ __asm_copy_user_64bit_rapf_loop(to, from, ret, n, id, \ - "SUB %1, %1, #8\n") + "LSR D0Ar2, D0Ar2, #5\n" \ + "ANDS D0Ar2, D0Ar2, #0x38\n" \ + "ADDZ D0Ar2, D0Ar2, #32\n" \ + "SUB %1, %1, D0Ar2\n") /* rewind 'from' pointer when a fault occurs * * Rationale: * A fault occurs while reading from user buffer, which is the - * source. Since the fault is at a single address, we only - * need to rewind by 4 bytes. + * source. * Since we don't write to kernel buffer until we read first, * the kernel buffer is at the right state and needn't be - * corrected. + * corrected, but the source must be rewound to the beginning of + * the block, which is LSM_STEP*4 bytes. + * LSM_STEP is bits 10:8 in TXSTATUS which is already read + * and stored in D0Ar2 + * + * NOTE: If a fault occurs at the last operation in M{G,S}ETL + * LSM_STEP will be 0. ie: we do 4 writes in our case, if + * a fault happens at the 4th write, LSM_STEP will be 0 + * instead of 4. The code copes with that. */ #define __asm_copy_from_user_32bit_rapf_loop(to, from, ret, n, id) \ __asm_copy_user_32bit_rapf_loop(to, from, ret, n, id, \ - "SUB %1, %1, #4\n") + "LSR D0Ar2, D0Ar2, #6\n" \ + "ANDS D0Ar2, D0Ar2, #0x1c\n" \ + "ADDZ D0Ar2, D0Ar2, #16\n" \ + "SUB %1, %1, D0Ar2\n") -/* Copy from user to kernel, zeroing the bytes that were inaccessible in - userland. The return-value is the number of bytes that were - inaccessible. */ -unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc, - unsigned long n) +/* + * Copy from user to kernel. The return-value is the number of bytes that were + * inaccessible. + */ +unsigned long raw_copy_from_user(void *pdst, const void __user *psrc, + unsigned long n) { register char *dst asm ("A0.2") = pdst; register const char __user *src asm ("A1.2") = psrc; @@ -830,6 +773,8 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc, if ((unsigned long) src & 1) { __asm_copy_from_user_1(dst, src, retn); n--; + if (retn) + return retn + n; } if ((unsigned long) dst & 1) { /* Worst case - byte copy */ @@ -837,12 +782,14 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc, __asm_copy_from_user_1(dst, src, retn); n--; if (retn) - goto copy_exception_bytes; + return retn + n; } } if (((unsigned long) src & 2) && n >= 2) { __asm_copy_from_user_2(dst, src, retn); n -= 2; + if (retn) + return retn + n; } if ((unsigned long) dst & 2) { /* Second worst case - word copy */ @@ -850,16 +797,10 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc, __asm_copy_from_user_2(dst, src, retn); n -= 2; if (retn) - goto copy_exception_bytes; + return retn + n; } } - /* We only need one check after the unalignment-adjustments, - because if both adjustments were done, either both or - neither reference had an exception. */ - if (retn != 0) - goto copy_exception_bytes; - #ifdef USE_RAPF /* 64 bit copy loop */ if (!(((unsigned long) src | (unsigned long) dst) & 7)) { @@ -872,7 +813,7 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc, __asm_copy_from_user_8x64(dst, src, retn); n -= 8; if (retn) - goto copy_exception_bytes; + return retn + n; } } @@ -888,7 +829,7 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc, __asm_copy_from_user_8x64(dst, src, retn); n -= 8; if (retn) - goto copy_exception_bytes; + return retn + n; } } #endif @@ -898,7 +839,7 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc, n -= 4; if (retn) - goto copy_exception_bytes; + return retn + n; } /* If we get here, there were no memory read faults. */ @@ -924,21 +865,8 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc, /* If we get here, retn correctly reflects the number of failing bytes. */ return retn; - - copy_exception_bytes: - /* We already have "retn" bytes cleared, and need to clear the - remaining "n" bytes. A non-optimized simple byte-for-byte in-line - memset is preferred here, since this isn't speed-critical code and - we'd rather have this a leaf-function than calling memset. */ - { - char *endp; - for (endp = dst + n; dst < endp; dst++) - *dst = 0; - } - - return retn + n; } -EXPORT_SYMBOL(__copy_user_zeroing); +EXPORT_SYMBOL(raw_copy_from_user); #define __asm_clear_8x64(to, ret) \ asm volatile ( \ diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index a008a9f03072..e0bb576410bb 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1531,7 +1531,7 @@ config CPU_MIPS64_R6 select CPU_SUPPORTS_HIGHMEM select CPU_SUPPORTS_MSA select GENERIC_CSUM - select MIPS_O32_FP64_SUPPORT if MIPS32_O32 + select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 select HAVE_KVM help Choose this option to build a kernel for release 6 or later of the diff --git a/arch/mips/include/asm/fpu.h b/arch/mips/include/asm/fpu.h index f94455f964ec..a2813fe381cf 100644 --- a/arch/mips/include/asm/fpu.h +++ b/arch/mips/include/asm/fpu.h @@ -21,6 +21,7 @@ #include <asm/cpu-features.h> #include <asm/fpu_emulator.h> #include <asm/hazards.h> +#include <asm/ptrace.h> #include <asm/processor.h> #include <asm/current.h> #include <asm/msa.h> diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h index 956db6e201d1..ddd1c918103b 100644 --- a/arch/mips/include/asm/irq.h +++ b/arch/mips/include/asm/irq.h @@ -18,9 +18,24 @@ #include <irq.h> #define IRQ_STACK_SIZE THREAD_SIZE +#define IRQ_STACK_START (IRQ_STACK_SIZE - sizeof(unsigned long)) extern void *irq_stack[NR_CPUS]; +/* + * The highest address on the IRQ stack contains a dummy frame put down in + * genex.S (handle_int & except_vec_vi_handler) which is structured as follows: + * + * top ------------ + * | task sp | <- irq_stack[cpu] + IRQ_STACK_START + * ------------ + * | | <- First frame of IRQ context + * ------------ + * + * task sp holds a copy of the task stack pointer where the struct pt_regs + * from exception entry can be found. + */ + static inline bool on_irq_stack(int cpu, unsigned long sp) { unsigned long low = (unsigned long)irq_stack[cpu]; diff --git a/arch/mips/include/asm/spinlock.h b/arch/mips/include/asm/spinlock.h index f485afe51514..a8df44d60607 100644 --- a/arch/mips/include/asm/spinlock.h +++ b/arch/mips/include/asm/spinlock.h @@ -127,7 +127,7 @@ static inline void arch_spin_lock(arch_spinlock_t *lock) " andi %[ticket], %[ticket], 0xffff \n" " bne %[ticket], %[my_ticket], 4f \n" " subu %[ticket], %[my_ticket], %[ticket] \n" - "2: \n" + "2: .insn \n" " .subsection 2 \n" "4: andi %[ticket], %[ticket], 0xffff \n" " sll %[ticket], 5 \n" @@ -202,7 +202,7 @@ static inline unsigned int arch_spin_trylock(arch_spinlock_t *lock) " sc %[ticket], %[ticket_ptr] \n" " beqz %[ticket], 1b \n" " li %[ticket], 1 \n" - "2: \n" + "2: .insn \n" " .subsection 2 \n" "3: b 2b \n" " li %[ticket], 0 \n" @@ -382,7 +382,7 @@ static inline int arch_read_trylock(arch_rwlock_t *rw) " .set reorder \n" __WEAK_LLSC_MB " li %2, 1 \n" - "2: \n" + "2: .insn \n" : "=" GCC_OFF_SMALL_ASM() (rw->lock), "=&r" (tmp), "=&r" (ret) : GCC_OFF_SMALL_ASM() (rw->lock) : "memory"); @@ -422,7 +422,7 @@ static inline int arch_write_trylock(arch_rwlock_t *rw) " lui %1, 0x8000 \n" " sc %1, %0 \n" " li %2, 1 \n" - "2: \n" + "2: .insn \n" : "=" GCC_OFF_SMALL_ASM() (rw->lock), "=&r" (tmp), "=&r" (ret) : GCC_OFF_SMALL_ASM() (rw->lock) diff --git a/arch/mips/include/uapi/asm/unistd.h b/arch/mips/include/uapi/asm/unistd.h index 3e940dbe0262..78faf4292e90 100644 --- a/arch/mips/include/uapi/asm/unistd.h +++ b/arch/mips/include/uapi/asm/unistd.h @@ -386,17 +386,18 @@ #define __NR_pkey_mprotect (__NR_Linux + 363) #define __NR_pkey_alloc (__NR_Linux + 364) #define __NR_pkey_free (__NR_Linux + 365) +#define __NR_statx (__NR_Linux + 366) /* * Offset of the last Linux o32 flavoured syscall */ -#define __NR_Linux_syscalls 365 +#define __NR_Linux_syscalls 366 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ #define __NR_O32_Linux 4000 -#define __NR_O32_Linux_syscalls 365 +#define __NR_O32_Linux_syscalls 366 #if _MIPS_SIM == _MIPS_SIM_ABI64 @@ -730,16 +731,17 @@ #define __NR_pkey_mprotect (__NR_Linux + 323) #define __NR_pkey_alloc (__NR_Linux + 324) #define __NR_pkey_free (__NR_Linux + 325) +#define __NR_statx (__NR_Linux + 326) /* * Offset of the last Linux 64-bit flavoured syscall */ -#define __NR_Linux_syscalls 325 +#define __NR_Linux_syscalls 326 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */ #define __NR_64_Linux 5000 -#define __NR_64_Linux_syscalls 325 +#define __NR_64_Linux_syscalls 326 #if _MIPS_SIM == _MIPS_SIM_NABI32 @@ -1077,15 +1079,16 @@ #define __NR_pkey_mprotect (__NR_Linux + 327) #define __NR_pkey_alloc (__NR_Linux + 328) #define __NR_pkey_free (__NR_Linux + 329) +#define __NR_statx (__NR_Linux + 330) /* * Offset of the last N32 flavoured syscall */ -#define __NR_Linux_syscalls 329 +#define __NR_Linux_syscalls 330 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */ #define __NR_N32_Linux 6000 -#define __NR_N32_Linux_syscalls 329 +#define __NR_N32_Linux_syscalls 330 #endif /* _UAPI_ASM_UNISTD_H */ diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c index bb5c5d34ba81..a670c0c11875 100644 --- a/arch/mips/kernel/asm-offsets.c +++ b/arch/mips/kernel/asm-offsets.c @@ -102,6 +102,7 @@ void output_thread_info_defines(void) DEFINE(_THREAD_SIZE, THREAD_SIZE); DEFINE(_THREAD_MASK, THREAD_MASK); DEFINE(_IRQ_STACK_SIZE, IRQ_STACK_SIZE); + DEFINE(_IRQ_STACK_START, IRQ_STACK_START); BLANK(); } diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S index 59476a607add..a00e87b0256d 100644 --- a/arch/mips/kernel/cps-vec.S +++ b/arch/mips/kernel/cps-vec.S @@ -361,7 +361,7 @@ LEAF(mips_cps_get_bootcfg) END(mips_cps_get_bootcfg) LEAF(mips_cps_boot_vpes) - PTR_L ta2, COREBOOTCFG_VPEMASK(a0) + lw ta2, COREBOOTCFG_VPEMASK(a0) PTR_L ta3, COREBOOTCFG_VPECONFIG(a0) #if defined(CONFIG_CPU_MIPSR6) diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 07718bb5fc9d..12422fd4af23 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -1824,7 +1824,7 @@ static inline void cpu_probe_loongson(struct cpuinfo_mips *c, unsigned int cpu) } decode_configs(c); - c->options |= MIPS_CPU_TLBINV | MIPS_CPU_LDPTE; + c->options |= MIPS_CPU_FTLB | MIPS_CPU_TLBINV | MIPS_CPU_LDPTE; c->writecombine = _CACHE_UNCACHED_ACCELERATED; break; default: diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S index 7ec9612cb007..ae810da4d499 100644 --- a/arch/mips/kernel/genex.S +++ b/arch/mips/kernel/genex.S @@ -215,9 +215,11 @@ NESTED(handle_int, PT_SIZE, sp) beq t0, t1, 2f /* Switch to IRQ stack */ - li t1, _IRQ_STACK_SIZE + li t1, _IRQ_STACK_START PTR_ADD sp, t0, t1 + /* Save task's sp on IRQ stack so that unwinding can follow it */ + LONG_S s1, 0(sp) 2: jal plat_irq_dispatch @@ -325,9 +327,11 @@ NESTED(except_vec_vi_handler, 0, sp) beq t0, t1, 2f /* Switch to IRQ stack */ - li t1, _IRQ_STACK_SIZE + li t1, _IRQ_STACK_START PTR_ADD sp, t0, t1 + /* Save task's sp on IRQ stack so that unwinding can follow it */ + LONG_S s1, 0(sp) 2: jalr v0 @@ -519,7 +523,7 @@ NESTED(nmi_handler, PT_SIZE, sp) BUILD_HANDLER reserved reserved sti verbose /* others */ .align 5 - LEAF(handle_ri_rdhwr_vivt) + LEAF(handle_ri_rdhwr_tlbp) .set push .set noat .set noreorder @@ -538,7 +542,7 @@ NESTED(nmi_handler, PT_SIZE, sp) .set pop bltz k1, handle_ri /* slow path */ /* fall thru */ - END(handle_ri_rdhwr_vivt) + END(handle_ri_rdhwr_tlbp) LEAF(handle_ri_rdhwr) .set push diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index fb6b6b650719..b68e10fc453d 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -488,31 +488,52 @@ unsigned long notrace unwind_stack_by_address(unsigned long stack_page, unsigned long pc, unsigned long *ra) { + unsigned long low, high, irq_stack_high; struct mips_frame_info info; unsigned long size, ofs; + struct pt_regs *regs; int leaf; - extern void ret_from_irq(void); - extern void ret_from_exception(void); if (!stack_page) return 0; /* - * If we reached the bottom of interrupt context, - * return saved pc in pt_regs. + * IRQ stacks start at IRQ_STACK_START + * task stacks at THREAD_SIZE - 32 */ - if (pc == (unsigned long)ret_from_irq || - pc == (unsigned long)ret_from_exception) { - struct pt_regs *regs; - if (*sp >= stack_page && - *sp + sizeof(*regs) <= stack_page + THREAD_SIZE - 32) { - regs = (struct pt_regs *)*sp; - pc = regs->cp0_epc; - if (!user_mode(regs) && __kernel_text_address(pc)) { - *sp = regs->regs[29]; - *ra = regs->regs[31]; - return pc; - } + low = stack_page; + if (!preemptible() && on_irq_stack(raw_smp_processor_id(), *sp)) { + high = stack_page + IRQ_STACK_START; + irq_stack_high = high; + } else { + high = stack_page + THREAD_SIZE - 32; + irq_stack_high = 0; + } + + /* + * If we reached the top of the interrupt stack, start unwinding + * the interrupted task stack. + */ + if (unlikely(*sp == irq_stack_high)) { + unsigned long task_sp = *(unsigned long *)*sp; + + /* + * Check that the pointer saved in the IRQ stack head points to + * something within the stack of the current task + */ + if (!object_is_on_stack((void *)task_sp)) + return 0; + + /* + * Follow pointer to tasks kernel stack frame where interrupted + * state was saved. + */ + regs = (struct pt_regs *)task_sp; + pc = regs->cp0_epc; + if (!user_mode(regs) && __kernel_text_address(pc)) { + *sp = regs->regs[29]; + *ra = regs->regs[31]; + return pc; } return 0; } @@ -533,8 +554,7 @@ unsigned long notrace unwind_stack_by_address(unsigned long stack_page, if (leaf < 0) return 0; - if (*sp < stack_page || - *sp + info.frame_size > stack_page + THREAD_SIZE - 32) + if (*sp < low || *sp + info.frame_size > high) return 0; if (leaf) diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index c29d397eee86..80ed68b2c95e 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -600,3 +600,4 @@ EXPORT(sys_call_table) PTR sys_pkey_mprotect PTR sys_pkey_alloc PTR sys_pkey_free /* 4365 */ + PTR sys_statx diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index 0687f96ee912..49765b44aa9b 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -438,4 +438,5 @@ EXPORT(sys_call_table) PTR sys_pkey_mprotect PTR sys_pkey_alloc PTR sys_pkey_free /* 5325 */ + PTR sys_statx .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 0331ba39a065..90bad2d1b2d3 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -433,4 +433,5 @@ EXPORT(sysn32_call_table) PTR sys_pkey_mprotect PTR sys_pkey_alloc PTR sys_pkey_free + PTR sys_statx /* 6330 */ .size sysn32_call_table,.-sysn32_call_table diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 5a47042dd25f..2dd70bd104e1 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -588,4 +588,5 @@ EXPORT(sys32_call_table) PTR sys_pkey_mprotect PTR sys_pkey_alloc PTR sys_pkey_free /* 4365 */ + PTR sys_statx .size sys32_call_table,.-sys32_call_table diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index c7d17cfb32f6..b49e7bf9f950 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -83,7 +83,7 @@ extern asmlinkage void handle_dbe(void); extern asmlinkage void handle_sys(void); extern asmlinkage void handle_bp(void); extern asmlinkage void handle_ri(void); -extern asmlinkage void handle_ri_rdhwr_vivt(void); +extern asmlinkage void handle_ri_rdhwr_tlbp(void); extern asmlinkage void handle_ri_rdhwr(void); extern asmlinkage void handle_cpu(void); extern asmlinkage void handle_ov(void); @@ -2408,9 +2408,18 @@ void __init trap_init(void) set_except_vector(EXCCODE_SYS, handle_sys); set_except_vector(EXCCODE_BP, handle_bp); - set_except_vector(EXCCODE_RI, rdhwr_noopt ? handle_ri : - (cpu_has_vtag_icache ? - handle_ri_rdhwr_vivt : handle_ri_rdhwr)); + + if (rdhwr_noopt) + set_except_vector(EXCCODE_RI, handle_ri); + else { + if (cpu_has_vtag_icache) + set_except_vector(EXCCODE_RI, handle_ri_rdhwr_tlbp); + else if (current_cpu_type() == CPU_LOONGSON3) + set_except_vector(EXCCODE_RI, handle_ri_rdhwr_tlbp); + else + set_except_vector(EXCCODE_RI, handle_ri_rdhwr); + } + set_except_vector(EXCCODE_CPU, handle_cpu); set_except_vector(EXCCODE_OV, handle_ov); set_except_vector(EXCCODE_TR, handle_tr); diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c index 3c3aa05891dd..95bec460b651 100644 --- a/arch/mips/lantiq/xway/sysctrl.c +++ b/arch/mips/lantiq/xway/sysctrl.c @@ -467,7 +467,7 @@ void __init ltq_soc_init(void) if (!np_xbar) panic("Failed to load xbar nodes from devicetree"); - if (of_address_to_resource(np_pmu, 0, &res_xbar)) + if (of_address_to_resource(np_xbar, 0, &res_xbar)) panic("Failed to get xbar resources"); if (!request_mem_region(res_xbar.start, resource_size(&res_xbar), res_xbar.name)) diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index e7f798d55fbc..3fe99cb271a9 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -1562,6 +1562,7 @@ static void probe_vcache(void) vcache_size = c->vcache.sets * c->vcache.ways * c->vcache.linesz; c->vcache.waybit = 0; + c->vcache.waysize = vcache_size / c->vcache.ways; pr_info("Unified victim cache %ldkB %s, linesize %d bytes.\n", vcache_size >> 10, way_string[c->vcache.ways], c->vcache.linesz); @@ -1664,6 +1665,7 @@ static void __init loongson3_sc_init(void) /* Loongson-3 has 4 cores, 1MB scache for each. scaches are shared */ scache_size *= 4; c->scache.waybit = 0; + c->scache.waysize = scache_size / c->scache.ways; pr_info("Unified secondary cache %ldkB %s, linesize %d bytes.\n", scache_size >> 10, way_string[c->scache.ways], c->scache.linesz); if (scache_size) diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 9bfee8988eaf..4f642e07c2b1 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -760,7 +760,8 @@ static void build_huge_update_entries(u32 **p, unsigned int pte, static void build_huge_handler_tail(u32 **p, struct uasm_reloc **r, struct uasm_label **l, unsigned int pte, - unsigned int ptr) + unsigned int ptr, + unsigned int flush) { #ifdef CONFIG_SMP UASM_i_SC(p, pte, 0, ptr); @@ -769,6 +770,22 @@ static void build_huge_handler_tail(u32 **p, struct uasm_reloc **r, #else UASM_i_SW(p, pte, 0, ptr); #endif + if (cpu_has_ftlb && flush) { + BUG_ON(!cpu_has_tlbinv); + + UASM_i_MFC0(p, ptr, C0_ENTRYHI); + uasm_i_ori(p, ptr, ptr, MIPS_ENTRYHI_EHINV); + UASM_i_MTC0(p, ptr, C0_ENTRYHI); + build_tlb_write_entry(p, l, r, tlb_indexed); + + uasm_i_xori(p, ptr, ptr, MIPS_ENTRYHI_EHINV); + UASM_i_MTC0(p, ptr, C0_ENTRYHI); + build_huge_update_entries(p, pte, ptr); + build_huge_tlb_write_entry(p, l, r, pte, tlb_random, 0); + + return; + } + build_huge_update_entries(p, pte, ptr); build_huge_tlb_write_entry(p, l, r, pte, tlb_indexed, 0); } @@ -2199,7 +2216,7 @@ static void build_r4000_tlb_load_handler(void) uasm_l_tlbl_goaround2(&l, p); } uasm_i_ori(&p, wr.r1, wr.r1, (_PAGE_ACCESSED | _PAGE_VALID)); - build_huge_handler_tail(&p, &r, &l, wr.r1, wr.r2); + build_huge_handler_tail(&p, &r, &l, wr.r1, wr.r2, 1); #endif uasm_l_nopage_tlbl(&l, p); @@ -2254,7 +2271,7 @@ static void build_r4000_tlb_store_handler(void) build_tlb_probe_entry(&p); uasm_i_ori(&p, wr.r1, wr.r1, _PAGE_ACCESSED | _PAGE_MODIFIED | _PAGE_VALID | _PAGE_DIRTY); - build_huge_handler_tail(&p, &r, &l, wr.r1, wr.r2); + build_huge_handler_tail(&p, &r, &l, wr.r1, wr.r2, 1); #endif uasm_l_nopage_tlbs(&l, p); @@ -2310,7 +2327,7 @@ static void build_r4000_tlb_modify_handler(void) build_tlb_probe_entry(&p); uasm_i_ori(&p, wr.r1, wr.r1, _PAGE_ACCESSED | _PAGE_MODIFIED | _PAGE_VALID | _PAGE_DIRTY); - build_huge_handler_tail(&p, &r, &l, wr.r1, wr.r2); + build_huge_handler_tail(&p, &r, &l, wr.r1, wr.r2, 0); #endif uasm_l_nopage_tlbm(&l, p); diff --git a/arch/mips/ralink/rt3883.c b/arch/mips/ralink/rt3883.c index c4ffd43d3996..48ce701557a4 100644 --- a/arch/mips/ralink/rt3883.c +++ b/arch/mips/ralink/rt3883.c @@ -35,7 +35,7 @@ static struct rt2880_pmx_func uartlite_func[] = { FUNC("uartlite", 0, 15, 2) }; static struct rt2880_pmx_func jtag_func[] = { FUNC("jtag", 0, 17, 5) }; static struct rt2880_pmx_func mdio_func[] = { FUNC("mdio", 0, 22, 2) }; static struct rt2880_pmx_func lna_a_func[] = { FUNC("lna a", 0, 32, 3) }; -static struct rt2880_pmx_func lna_g_func[] = { FUNC("lna a", 0, 35, 3) }; +static struct rt2880_pmx_func lna_g_func[] = { FUNC("lna g", 0, 35, 3) }; static struct rt2880_pmx_func pci_func[] = { FUNC("pci-dev", 0, 40, 32), FUNC("pci-host2", 1, 40, 32), @@ -43,7 +43,7 @@ static struct rt2880_pmx_func pci_func[] = { FUNC("pci-fnc", 3, 40, 32) }; static struct rt2880_pmx_func ge1_func[] = { FUNC("ge1", 0, 72, 12) }; -static struct rt2880_pmx_func ge2_func[] = { FUNC("ge1", 0, 84, 12) }; +static struct rt2880_pmx_func ge2_func[] = { FUNC("ge2", 0, 84, 12) }; static struct rt2880_pmx_group rt3883_pinmux_data[] = { GRP("i2c", i2c_func, 1, RT3883_GPIO_MODE_I2C), diff --git a/arch/powerpc/crypto/crc32c-vpmsum_glue.c b/arch/powerpc/crypto/crc32c-vpmsum_glue.c index 411994551afc..f058e0c3e4d4 100644 --- a/arch/powerpc/crypto/crc32c-vpmsum_glue.c +++ b/arch/powerpc/crypto/crc32c-vpmsum_glue.c @@ -33,10 +33,13 @@ static u32 crc32c_vpmsum(u32 crc, unsigned char const *p, size_t len) } if (len & ~VMX_ALIGN_MASK) { + preempt_disable(); pagefault_disable(); enable_kernel_altivec(); crc = __crc32c_vpmsum(crc, p, len & ~VMX_ALIGN_MASK); + disable_kernel_altivec(); pagefault_enable(); + preempt_enable(); } tail = len & VMX_ALIGN_MASK; diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c index cbc7c42cdb74..ec7a8b099dd9 100644 --- a/arch/powerpc/kernel/align.c +++ b/arch/powerpc/kernel/align.c @@ -807,14 +807,25 @@ int fix_alignment(struct pt_regs *regs) nb = aligninfo[instr].len; flags = aligninfo[instr].flags; - /* ldbrx/stdbrx overlap lfs/stfs in the DSISR unfortunately */ - if (IS_XFORM(instruction) && ((instruction >> 1) & 0x3ff) == 532) { - nb = 8; - flags = LD+SW; - } else if (IS_XFORM(instruction) && - ((instruction >> 1) & 0x3ff) == 660) { - nb = 8; - flags = ST+SW; + /* + * Handle some cases which give overlaps in the DSISR values. + */ + if (IS_XFORM(instruction)) { + switch (get_xop(instruction)) { + case 532: /* ldbrx */ + nb = 8; + flags = LD+SW; + break; + case 660: /* stdbrx */ + nb = 8; + flags = ST+SW; + break; + case 20: /* lwarx */ + case 84: /* ldarx */ + case 116: /* lharx */ + case 276: /* lqarx */ + return 0; /* not emulated ever */ + } } /* Byteswap little endian loads and stores */ diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S index ae179cb1bb3c..c119044cad0d 100644 --- a/arch/powerpc/kernel/misc_64.S +++ b/arch/powerpc/kernel/misc_64.S @@ -67,7 +67,7 @@ PPC64_CACHES: * flush all bytes from start through stop-1 inclusive */ -_GLOBAL(flush_icache_range) +_GLOBAL_TOC(flush_icache_range) BEGIN_FTR_SECTION PURGE_PREFETCHED_INS blr @@ -120,7 +120,7 @@ EXPORT_SYMBOL(flush_icache_range) * * flush all bytes from start to stop-1 inclusive */ -_GLOBAL(flush_dcache_range) +_GLOBAL_TOC(flush_dcache_range) /* * Flush the data cache to memory diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 9cfaa8b69b5f..f997154dfc41 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -236,6 +236,15 @@ static void cpu_ready_for_interrupts(void) mtspr(SPRN_LPCR, lpcr | LPCR_AIL_3); } + /* + * Fixup HFSCR:TM based on CPU features. The bit is set by our + * early asm init because at that point we haven't updated our + * CPU features from firmware and device-tree. Here we have, + * so let's do it. + */ + if (cpu_has_feature(CPU_FTR_HVMODE) && !cpu_has_feature(CPU_FTR_TM_COMP)) + mtspr(SPRN_HFSCR, mfspr(SPRN_HFSCR) & ~HFSCR_TM); + /* Set IR and DR in PACA MSR */ get_paca()->kernel_msr = MSR_KERNEL; } diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c index 8c68145ba1bd..710e491206ed 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_hv.c +++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c @@ -1487,6 +1487,10 @@ long kvm_vm_ioctl_resize_hpt_prepare(struct kvm *kvm, /* start new resize */ resize = kzalloc(sizeof(*resize), GFP_KERNEL); + if (!resize) { + ret = -ENOMEM; + goto out; + } resize->order = shift; resize->kvm = kvm; INIT_WORK(&resize->work, resize_hpt_prepare_work); diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c index cc332608e656..65bb8f33b399 100644 --- a/arch/powerpc/mm/hash_native_64.c +++ b/arch/powerpc/mm/hash_native_64.c @@ -638,6 +638,10 @@ static void native_flush_hash_range(unsigned long number, int local) unsigned long psize = batch->psize; int ssize = batch->ssize; int i; + unsigned int use_local; + + use_local = local && mmu_has_feature(MMU_FTR_TLBIEL) && + mmu_psize_defs[psize].tlbiel && !cxl_ctx_in_use(); local_irq_save(flags); @@ -667,8 +671,7 @@ static void native_flush_hash_range(unsigned long number, int local) } pte_iterate_hashed_end(); } - if (mmu_has_feature(MMU_FTR_TLBIEL) && - mmu_psize_defs[psize].tlbiel && local) { + if (use_local) { asm volatile("ptesync":::"memory"); for (i = 0; i < number; i++) { vpn = batch->vpn[i]; diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c index d55c829a5944..ddbffb715b40 100644 --- a/arch/s390/kvm/gaccess.c +++ b/arch/s390/kvm/gaccess.c @@ -168,8 +168,7 @@ union page_table_entry { unsigned long z : 1; /* Zero Bit */ unsigned long i : 1; /* Page-Invalid Bit */ unsigned long p : 1; /* DAT-Protection Bit */ - unsigned long co : 1; /* Change-Recording Override */ - unsigned long : 8; + unsigned long : 9; }; }; @@ -745,8 +744,6 @@ static unsigned long guest_translate(struct kvm_vcpu *vcpu, unsigned long gva, return PGM_PAGE_TRANSLATION; if (pte.z) return PGM_TRANSLATION_SPEC; - if (pte.co && !edat1) - return PGM_TRANSLATION_SPEC; dat_protection |= pte.p; raddr.pfra = pte.pfra; real_address: @@ -1182,7 +1179,7 @@ int kvm_s390_shadow_fault(struct kvm_vcpu *vcpu, struct gmap *sg, rc = gmap_read_table(sg->parent, pgt + vaddr.px * 8, &pte.val); if (!rc && pte.i) rc = PGM_PAGE_TRANSLATION; - if (!rc && (pte.z || (pte.co && sg->edat_level < 1))) + if (!rc && pte.z) rc = PGM_TRANSLATION_SPEC; shadow_page: pte.p |= dat_protection; diff --git a/arch/sparc/include/asm/page_64.h b/arch/sparc/include/asm/page_64.h index f294dd42fc7d..5961b2d8398a 100644 --- a/arch/sparc/include/asm/page_64.h +++ b/arch/sparc/include/asm/page_64.h @@ -17,6 +17,7 @@ #define HPAGE_SHIFT 23 #define REAL_HPAGE_SHIFT 22 +#define HPAGE_2GB_SHIFT 31 #define HPAGE_256MB_SHIFT 28 #define HPAGE_64K_SHIFT 16 #define REAL_HPAGE_SIZE (_AC(1,UL) << REAL_HPAGE_SHIFT) @@ -27,7 +28,7 @@ #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA #define REAL_HPAGE_PER_HPAGE (_AC(1,UL) << (HPAGE_SHIFT - REAL_HPAGE_SHIFT)) -#define HUGE_MAX_HSTATE 3 +#define HUGE_MAX_HSTATE 4 #endif #ifndef __ASSEMBLY__ diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index 8a598528ec1f..6fbd931f0570 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -679,26 +679,27 @@ static inline unsigned long pmd_pfn(pmd_t pmd) return pte_pfn(pte); } -#ifdef CONFIG_TRANSPARENT_HUGEPAGE -static inline unsigned long pmd_dirty(pmd_t pmd) +#define __HAVE_ARCH_PMD_WRITE +static inline unsigned long pmd_write(pmd_t pmd) { pte_t pte = __pte(pmd_val(pmd)); - return pte_dirty(pte); + return pte_write(pte); } -static inline unsigned long pmd_young(pmd_t pmd) +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +static inline unsigned long pmd_dirty(pmd_t pmd) { pte_t pte = __pte(pmd_val(pmd)); - return pte_young(pte); + return pte_dirty(pte); } -static inline unsigned long pmd_write(pmd_t pmd) +static inline unsigned long pmd_young(pmd_t pmd) { pte_t pte = __pte(pmd_val(pmd)); - return pte_write(pte); + return pte_young(pte); } static inline unsigned long pmd_trans_huge(pmd_t pmd) diff --git a/arch/sparc/include/asm/processor_32.h b/arch/sparc/include/asm/processor_32.h index 365d4cb267b4..dd27159819eb 100644 --- a/arch/sparc/include/asm/processor_32.h +++ b/arch/sparc/include/asm/processor_32.h @@ -18,12 +18,6 @@ #include <asm/signal.h> #include <asm/page.h> -/* - * The sparc has no problems with write protection - */ -#define wp_works_ok 1 -#define wp_works_ok__is_a_macro /* for versions in ksyms.c */ - /* Whee, this is STACK_TOP + PAGE_SIZE and the lowest kernel address too... * That one page is used to protect kernel from intruders, so that * we can make our access_ok test faster diff --git a/arch/sparc/include/asm/processor_64.h b/arch/sparc/include/asm/processor_64.h index 6448cfc8292f..b58ee9018433 100644 --- a/arch/sparc/include/asm/processor_64.h +++ b/arch/sparc/include/asm/processor_64.h @@ -18,10 +18,6 @@ #include <asm/ptrace.h> #include <asm/page.h> -/* The sparc has no problems with write protection */ -#define wp_works_ok 1 -#define wp_works_ok__is_a_macro /* for versions in ksyms.c */ - /* * User lives in his very own context, and cannot reference us. Note * that TASK_SIZE is a misnomer, it really gives maximum user virtual diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S index 6aa3da152c20..44101196d02b 100644 --- a/arch/sparc/kernel/head_64.S +++ b/arch/sparc/kernel/head_64.S @@ -96,6 +96,7 @@ sparc64_boot: andn %g1, PSTATE_AM, %g1 wrpr %g1, 0x0, %pstate ba,a,pt %xcc, 1f + nop .globl prom_finddev_name, prom_chosen_path, prom_root_node .globl prom_getprop_name, prom_mmu_name, prom_peer_name @@ -613,6 +614,7 @@ niagara_tlb_fixup: nop ba,a,pt %xcc, 80f + nop niagara4_patch: call niagara4_patch_copyops nop @@ -622,6 +624,7 @@ niagara4_patch: nop ba,a,pt %xcc, 80f + nop niagara2_patch: call niagara2_patch_copyops @@ -632,6 +635,7 @@ niagara2_patch: nop ba,a,pt %xcc, 80f + nop niagara_patch: call niagara_patch_copyops diff --git a/arch/sparc/kernel/misctrap.S b/arch/sparc/kernel/misctrap.S index 34b4933900bf..9276d2f0dd86 100644 --- a/arch/sparc/kernel/misctrap.S +++ b/arch/sparc/kernel/misctrap.S @@ -82,6 +82,7 @@ do_stdfmna: call handle_stdfmna add %sp, PTREGS_OFF, %o0 ba,a,pt %xcc, rtrap + nop .size do_stdfmna,.-do_stdfmna .type breakpoint_trap,#function diff --git a/arch/sparc/kernel/rtrap_64.S b/arch/sparc/kernel/rtrap_64.S index 216948ca4382..709a82ebd294 100644 --- a/arch/sparc/kernel/rtrap_64.S +++ b/arch/sparc/kernel/rtrap_64.S @@ -237,6 +237,7 @@ rt_continue: ldx [%sp + PTREGS_OFF + PT_V9_G1], %g1 bne,pt %xcc, user_rtt_fill_32bit wrpr %g1, %cwp ba,a,pt %xcc, user_rtt_fill_64bit + nop user_rtt_fill_fixup_dax: ba,pt %xcc, user_rtt_fill_fixup_common diff --git a/arch/sparc/kernel/spiterrs.S b/arch/sparc/kernel/spiterrs.S index 4a73009f66a5..d7e540842809 100644 --- a/arch/sparc/kernel/spiterrs.S +++ b/arch/sparc/kernel/spiterrs.S @@ -86,6 +86,7 @@ __spitfire_cee_trap_continue: rd %pc, %g7 ba,a,pt %xcc, 2f + nop 1: ba,pt %xcc, etrap_irq rd %pc, %g7 diff --git a/arch/sparc/kernel/sun4v_tlb_miss.S b/arch/sparc/kernel/sun4v_tlb_miss.S index 6179e19bc9b9..c19f352f46c7 100644 --- a/arch/sparc/kernel/sun4v_tlb_miss.S +++ b/arch/sparc/kernel/sun4v_tlb_miss.S @@ -352,6 +352,7 @@ sun4v_mna: call sun4v_do_mna add %sp, PTREGS_OFF, %o0 ba,a,pt %xcc, rtrap + nop /* Privileged Action. */ sun4v_privact: diff --git a/arch/sparc/kernel/urtt_fill.S b/arch/sparc/kernel/urtt_fill.S index 5604a2b051d4..364af3250646 100644 --- a/arch/sparc/kernel/urtt_fill.S +++ b/arch/sparc/kernel/urtt_fill.S @@ -92,6 +92,7 @@ user_rtt_fill_fixup_common: call sun4v_data_access_exception nop ba,a,pt %xcc, rtrap + nop 1: call spitfire_data_access_exception nop diff --git a/arch/sparc/kernel/winfixup.S b/arch/sparc/kernel/winfixup.S index 855019a8590e..1ee173cc3c39 100644 --- a/arch/sparc/kernel/winfixup.S +++ b/arch/sparc/kernel/winfixup.S @@ -152,6 +152,8 @@ fill_fixup_dax: call sun4v_data_access_exception nop ba,a,pt %xcc, rtrap + nop 1: call spitfire_data_access_exception nop ba,a,pt %xcc, rtrap + nop diff --git a/arch/sparc/lib/NG2memcpy.S b/arch/sparc/lib/NG2memcpy.S index c629dbd121b6..64dcd6cdb606 100644 --- a/arch/sparc/lib/NG2memcpy.S +++ b/arch/sparc/lib/NG2memcpy.S @@ -326,11 +326,13 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ blu 170f nop ba,a,pt %xcc, 180f + nop 4: /* 32 <= low bits < 48 */ blu 150f nop ba,a,pt %xcc, 160f + nop 5: /* 0 < low bits < 32 */ blu,a 6f cmp %g2, 8 @@ -338,6 +340,7 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ blu 130f nop ba,a,pt %xcc, 140f + nop 6: /* 0 < low bits < 16 */ bgeu 120f nop @@ -475,6 +478,7 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ brz,pt %o2, 85f sub %o0, %o1, GLOBAL_SPARE ba,a,pt %XCC, 90f + nop .align 64 75: /* 16 < len <= 64 */ diff --git a/arch/sparc/lib/NG4memcpy.S b/arch/sparc/lib/NG4memcpy.S index 75bb93b1437f..78ea962edcbe 100644 --- a/arch/sparc/lib/NG4memcpy.S +++ b/arch/sparc/lib/NG4memcpy.S @@ -530,4 +530,5 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ bne,pt %icc, 1b EX_ST(STORE(stb, %g1, %o0 - 0x01), NG4_retl_o2_plus_1) ba,a,pt %icc, .Lexit + nop .size FUNC_NAME, .-FUNC_NAME diff --git a/arch/sparc/lib/NG4memset.S b/arch/sparc/lib/NG4memset.S index 41da4bdd95cb..7c0c81f18837 100644 --- a/arch/sparc/lib/NG4memset.S +++ b/arch/sparc/lib/NG4memset.S @@ -102,4 +102,5 @@ NG4bzero: bne,pt %icc, 1b add %o0, 0x30, %o0 ba,a,pt %icc, .Lpostloop + nop .size NG4bzero,.-NG4bzero diff --git a/arch/sparc/lib/NGmemcpy.S b/arch/sparc/lib/NGmemcpy.S index d88c4ed50a00..cd654a719b27 100644 --- a/arch/sparc/lib/NGmemcpy.S +++ b/arch/sparc/lib/NGmemcpy.S @@ -394,6 +394,7 @@ FUNC_NAME: /* %i0=dst, %i1=src, %i2=len */ brz,pt %i2, 85f sub %o0, %i1, %i3 ba,a,pt %XCC, 90f + nop .align 64 70: /* 16 < len <= 64 */ diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c index 323bc6b6e3ad..ee5273ad918d 100644 --- a/arch/sparc/mm/hugetlbpage.c +++ b/arch/sparc/mm/hugetlbpage.c @@ -143,6 +143,10 @@ static pte_t sun4v_hugepage_shift_to_tte(pte_t entry, unsigned int shift) pte_val(entry) = pte_val(entry) & ~_PAGE_SZALL_4V; switch (shift) { + case HPAGE_2GB_SHIFT: + hugepage_size = _PAGE_SZ2GB_4V; + pte_val(entry) |= _PAGE_PMD_HUGE; + break; case HPAGE_256MB_SHIFT: hugepage_size = _PAGE_SZ256MB_4V; pte_val(entry) |= _PAGE_PMD_HUGE; @@ -183,6 +187,9 @@ static unsigned int sun4v_huge_tte_to_shift(pte_t entry) unsigned int shift; switch (tte_szbits) { + case _PAGE_SZ2GB_4V: + shift = HPAGE_2GB_SHIFT; + break; case _PAGE_SZ256MB_4V: shift = HPAGE_256MB_SHIFT; break; @@ -261,7 +268,7 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, if (!pmd) return NULL; - if (sz == PMD_SHIFT) + if (sz >= PMD_SIZE) pte = (pte_t *)pmd; else pte = pte_alloc_map(mm, pmd, addr); diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index ccd455328989..0cda653ae007 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -337,6 +337,10 @@ static int __init setup_hugepagesz(char *string) hugepage_shift = ilog2(hugepage_size); switch (hugepage_shift) { + case HPAGE_2GB_SHIFT: + hv_pgsz_mask = HV_PGSZ_MASK_2GB; + hv_pgsz_idx = HV_PGSZ_IDX_2GB; + break; case HPAGE_256MB_SHIFT: hv_pgsz_mask = HV_PGSZ_MASK_256MB; hv_pgsz_idx = HV_PGSZ_IDX_256MB; @@ -1563,7 +1567,7 @@ bool kern_addr_valid(unsigned long addr) if ((long)addr < 0L) { unsigned long pa = __pa(addr); - if ((addr >> max_phys_bits) != 0UL) + if ((pa >> max_phys_bits) != 0UL) return false; return pfn_valid(pa >> PAGE_SHIFT); diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index def82f6d626f..8e76ebba2986 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -54,6 +54,7 @@ enum mbus_module srmmu_modtype; static unsigned int hwbug_bitmask; int vac_cache_size; +EXPORT_SYMBOL(vac_cache_size); int vac_line_size; extern struct resource sparc_iomap; diff --git a/arch/sparc/mm/tlb.c b/arch/sparc/mm/tlb.c index afda3bbf7854..ee8066c3d96c 100644 --- a/arch/sparc/mm/tlb.c +++ b/arch/sparc/mm/tlb.c @@ -154,7 +154,7 @@ static void tlb_batch_pmd_scan(struct mm_struct *mm, unsigned long vaddr, if (pte_val(*pte) & _PAGE_VALID) { bool exec = pte_exec(*pte); - tlb_batch_add_one(mm, vaddr, exec, false); + tlb_batch_add_one(mm, vaddr, exec, PAGE_SHIFT); } pte++; vaddr += PAGE_SIZE; @@ -209,9 +209,9 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr, pte_t orig_pte = __pte(pmd_val(orig)); bool exec = pte_exec(orig_pte); - tlb_batch_add_one(mm, addr, exec, true); + tlb_batch_add_one(mm, addr, exec, REAL_HPAGE_SHIFT); tlb_batch_add_one(mm, addr + REAL_HPAGE_SIZE, exec, - true); + REAL_HPAGE_SHIFT); } else { tlb_batch_pmd_scan(mm, addr, orig); } diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c index 0a04811f06b7..bedf08b22a47 100644 --- a/arch/sparc/mm/tsb.c +++ b/arch/sparc/mm/tsb.c @@ -122,7 +122,7 @@ void flush_tsb_user(struct tlb_batch *tb) spin_lock_irqsave(&mm->context.lock, flags); - if (tb->hugepage_shift < HPAGE_SHIFT) { + if (tb->hugepage_shift < REAL_HPAGE_SHIFT) { base = (unsigned long) mm->context.tsb_block[MM_TSB_BASE].tsb; nentries = mm->context.tsb_block[MM_TSB_BASE].tsb_nentries; if (tlb_type == cheetah_plus || tlb_type == hypervisor) @@ -155,7 +155,7 @@ void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr, spin_lock_irqsave(&mm->context.lock, flags); - if (hugepage_shift < HPAGE_SHIFT) { + if (hugepage_shift < REAL_HPAGE_SHIFT) { base = (unsigned long) mm->context.tsb_block[MM_TSB_BASE].tsb; nentries = mm->context.tsb_block[MM_TSB_BASE].tsb_nentries; if (tlb_type == cheetah_plus || tlb_type == hypervisor) diff --git a/arch/x86/entry/vdso/vdso32-setup.c b/arch/x86/entry/vdso/vdso32-setup.c index 7853b53959cd..3f9d1a83891a 100644 --- a/arch/x86/entry/vdso/vdso32-setup.c +++ b/arch/x86/entry/vdso/vdso32-setup.c @@ -30,8 +30,10 @@ static int __init vdso32_setup(char *s) { vdso32_enabled = simple_strtoul(s, NULL, 0); - if (vdso32_enabled > 1) + if (vdso32_enabled > 1) { pr_warn("vdso32 values other than 0 and 1 are no longer allowed; vdso disabled\n"); + vdso32_enabled = 0; + } return 1; } @@ -62,13 +64,18 @@ subsys_initcall(sysenter_setup); /* Register vsyscall32 into the ABI table */ #include <linux/sysctl.h> +static const int zero; +static const int one = 1; + static struct ctl_table abi_table2[] = { { .procname = "vsyscall32", .data = &vdso32_enabled, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec + .proc_handler = proc_dointvec_minmax, + .extra1 = (int *)&zero, + .extra2 = (int *)&one, }, {} }; diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c index 81b321ace8e0..f924629836a8 100644 --- a/arch/x86/events/intel/lbr.c +++ b/arch/x86/events/intel/lbr.c @@ -507,6 +507,9 @@ static void intel_pmu_lbr_read_32(struct cpu_hw_events *cpuc) cpuc->lbr_entries[i].to = msr_lastbranch.to; cpuc->lbr_entries[i].mispred = 0; cpuc->lbr_entries[i].predicted = 0; + cpuc->lbr_entries[i].in_tx = 0; + cpuc->lbr_entries[i].abort = 0; + cpuc->lbr_entries[i].cycles = 0; cpuc->lbr_entries[i].reserved = 0; } cpuc->lbr_stack.nr = i; diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h index 9d49c18b5ea9..3762536619f8 100644 --- a/arch/x86/include/asm/elf.h +++ b/arch/x86/include/asm/elf.h @@ -287,7 +287,7 @@ struct task_struct; #define ARCH_DLINFO_IA32 \ do { \ - if (vdso32_enabled) { \ + if (VDSO_CURRENT_BASE) { \ NEW_AUX_ENT(AT_SYSINFO, VDSO_ENTRY); \ NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_CURRENT_BASE); \ } \ diff --git a/arch/x86/kernel/cpu/intel_rdt_schemata.c b/arch/x86/kernel/cpu/intel_rdt_schemata.c index f369cb8db0d5..badd2b31a560 100644 --- a/arch/x86/kernel/cpu/intel_rdt_schemata.c +++ b/arch/x86/kernel/cpu/intel_rdt_schemata.c @@ -200,11 +200,11 @@ ssize_t rdtgroup_schemata_write(struct kernfs_open_file *of, } out: - rdtgroup_kn_unlock(of->kn); for_each_enabled_rdt_resource(r) { kfree(r->tmp_cbms); r->tmp_cbms = NULL; } + rdtgroup_kn_unlock(of->kn); return ret ?: nbytes; } diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 396c042e9d0e..cc30a74e4adb 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -846,7 +846,7 @@ void signal_fault(struct pt_regs *regs, void __user *frame, char *where) task_pid_nr(current) > 1 ? KERN_INFO : KERN_EMERG, me->comm, me->pid, where, frame, regs->ip, regs->sp, regs->orig_ax); - print_vma_addr(" in ", regs->ip); + print_vma_addr(KERN_CONT " in ", regs->ip); pr_cont("\n"); } diff --git a/arch/x86/kernel/signal_compat.c b/arch/x86/kernel/signal_compat.c index ec1f756f9dc9..71beb28600d4 100644 --- a/arch/x86/kernel/signal_compat.c +++ b/arch/x86/kernel/signal_compat.c @@ -151,8 +151,8 @@ int __copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from, if (from->si_signo == SIGSEGV) { if (from->si_code == SEGV_BNDERR) { - compat_uptr_t lower = (unsigned long)&to->si_lower; - compat_uptr_t upper = (unsigned long)&to->si_upper; + compat_uptr_t lower = (unsigned long)from->si_lower; + compat_uptr_t upper = (unsigned long)from->si_upper; put_user_ex(lower, &to->si_lower); put_user_ex(upper, &to->si_upper); } diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 948443e115c1..4e496379a871 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -255,7 +255,7 @@ do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, pr_info("%s[%d] trap %s ip:%lx sp:%lx error:%lx", tsk->comm, tsk->pid, str, regs->ip, regs->sp, error_code); - print_vma_addr(" in ", regs->ip); + print_vma_addr(KERN_CONT " in ", regs->ip); pr_cont("\n"); } @@ -519,7 +519,7 @@ do_general_protection(struct pt_regs *regs, long error_code) pr_info("%s[%d] general protection ip:%lx sp:%lx error:%lx", tsk->comm, task_pid_nr(tsk), regs->ip, regs->sp, error_code); - print_vma_addr(" in ", regs->ip); + print_vma_addr(KERN_CONT " in ", regs->ip); pr_cont("\n"); } diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 2ee00dbbbd51..259e9b28ccf8 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -8198,6 +8198,9 @@ static bool nested_vmx_exit_handled(struct kvm_vcpu *vcpu) return nested_cpu_has2(vmcs12, SECONDARY_EXEC_XSAVES); case EXIT_REASON_PREEMPTION_TIMER: return false; + case EXIT_REASON_PML_FULL: + /* We don't expose PML support to L1. */ + return false; default: return true; } @@ -10267,6 +10270,18 @@ static int prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12, } + if (enable_pml) { + /* + * Conceptually we want to copy the PML address and index from + * vmcs01 here, and then back to vmcs01 on nested vmexit. But, + * since we always flush the log on each vmexit, this happens + * to be equivalent to simply resetting the fields in vmcs02. + */ + ASSERT(vmx->pml_pg); + vmcs_write64(PML_ADDRESS, page_to_phys(vmx->pml_pg)); + vmcs_write16(GUEST_PML_INDEX, PML_ENTITY_NUM - 1); + } + if (nested_cpu_has_ept(vmcs12)) { kvm_mmu_unload(vcpu); nested_ept_init_mmu_context(vcpu); diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index 22af912d66d2..889e7619a091 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -643,21 +643,40 @@ void __init init_mem_mapping(void) * devmem_is_allowed() checks to see if /dev/mem access to a certain address * is valid. The argument is a physical page number. * - * - * On x86, access has to be given to the first megabyte of ram because that area - * contains BIOS code and data regions used by X and dosemu and similar apps. - * Access has to be given to non-kernel-ram areas as well, these contain the PCI - * mmio resources as well as potential bios/acpi data regions. + * On x86, access has to be given to the first megabyte of RAM because that + * area traditionally contains BIOS code and data regions used by X, dosemu, + * and similar apps. Since they map the entire memory range, the whole range + * must be allowed (for mapping), but any areas that would otherwise be + * disallowed are flagged as being "zero filled" instead of rejected. + * Access has to be given to non-kernel-ram areas as well, these contain the + * PCI mmio resources as well as potential bios/acpi data regions. */ int devmem_is_allowed(unsigned long pagenr) { - if (pagenr < 256) - return 1; - if (iomem_is_exclusive(pagenr << PAGE_SHIFT)) + if (page_is_ram(pagenr)) { + /* + * For disallowed memory regions in the low 1MB range, + * request that the page be shown as all zeros. + */ + if (pagenr < 256) + return 2; + + return 0; + } + + /* + * This must follow RAM test, since System RAM is considered a + * restricted resource under CONFIG_STRICT_IOMEM. + */ + if (iomem_is_exclusive(pagenr << PAGE_SHIFT)) { + /* Low 1MB bypasses iomem restrictions. */ + if (pagenr < 256) + return 1; + return 0; - if (!page_is_ram(pagenr)) - return 1; - return 0; + } + + return 1; } void free_init_pages(char *what, unsigned long begin, unsigned long end) diff --git a/arch/x86/platform/efi/quirks.c b/arch/x86/platform/efi/quirks.c index 30031d5293c4..cdfe8c628959 100644 --- a/arch/x86/platform/efi/quirks.c +++ b/arch/x86/platform/efi/quirks.c @@ -201,6 +201,10 @@ void __init efi_arch_mem_reserve(phys_addr_t addr, u64 size) return; } + /* No need to reserve regions that will never be freed. */ + if (md.attribute & EFI_MEMORY_RUNTIME) + return; + size += addr % EFI_PAGE_SIZE; size = round_up(size, EFI_PAGE_SIZE); addr = round_down(addr, EFI_PAGE_SIZE); diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c index 09af8ff18719..c974a1bbf4cb 100644 --- a/block/blk-mq-sched.c +++ b/block/blk-mq-sched.c @@ -171,7 +171,8 @@ void blk_mq_sched_put_request(struct request *rq) void blk_mq_sched_dispatch_requests(struct blk_mq_hw_ctx *hctx) { - struct elevator_queue *e = hctx->queue->elevator; + struct request_queue *q = hctx->queue; + struct elevator_queue *e = q->elevator; const bool has_sched_dispatch = e && e->type->ops.mq.dispatch_request; bool did_work = false; LIST_HEAD(rq_list); @@ -203,10 +204,10 @@ void blk_mq_sched_dispatch_requests(struct blk_mq_hw_ctx *hctx) */ if (!list_empty(&rq_list)) { blk_mq_sched_mark_restart_hctx(hctx); - did_work = blk_mq_dispatch_rq_list(hctx, &rq_list); + did_work = blk_mq_dispatch_rq_list(q, &rq_list); } else if (!has_sched_dispatch) { blk_mq_flush_busy_ctxs(hctx, &rq_list); - blk_mq_dispatch_rq_list(hctx, &rq_list); + blk_mq_dispatch_rq_list(q, &rq_list); } /* @@ -222,7 +223,7 @@ void blk_mq_sched_dispatch_requests(struct blk_mq_hw_ctx *hctx) if (!rq) break; list_add(&rq->queuelist, &rq_list); - } while (blk_mq_dispatch_rq_list(hctx, &rq_list)); + } while (blk_mq_dispatch_rq_list(q, &rq_list)); } } @@ -317,25 +318,68 @@ static bool blk_mq_sched_bypass_insert(struct blk_mq_hw_ctx *hctx, return true; } -static void blk_mq_sched_restart_hctx(struct blk_mq_hw_ctx *hctx) +static bool blk_mq_sched_restart_hctx(struct blk_mq_hw_ctx *hctx) { if (test_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state)) { clear_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state); - if (blk_mq_hctx_has_pending(hctx)) + if (blk_mq_hctx_has_pending(hctx)) { blk_mq_run_hw_queue(hctx, true); + return true; + } } + return false; } -void blk_mq_sched_restart_queues(struct blk_mq_hw_ctx *hctx) -{ - struct request_queue *q = hctx->queue; - unsigned int i; +/** + * list_for_each_entry_rcu_rr - iterate in a round-robin fashion over rcu list + * @pos: loop cursor. + * @skip: the list element that will not be examined. Iteration starts at + * @skip->next. + * @head: head of the list to examine. This list must have at least one + * element, namely @skip. + * @member: name of the list_head structure within typeof(*pos). + */ +#define list_for_each_entry_rcu_rr(pos, skip, head, member) \ + for ((pos) = (skip); \ + (pos = (pos)->member.next != (head) ? list_entry_rcu( \ + (pos)->member.next, typeof(*pos), member) : \ + list_entry_rcu((pos)->member.next->next, typeof(*pos), member)), \ + (pos) != (skip); ) - if (test_bit(QUEUE_FLAG_RESTART, &q->queue_flags)) { - if (test_and_clear_bit(QUEUE_FLAG_RESTART, &q->queue_flags)) { - queue_for_each_hw_ctx(q, hctx, i) - blk_mq_sched_restart_hctx(hctx); +/* + * Called after a driver tag has been freed to check whether a hctx needs to + * be restarted. Restarts @hctx if its tag set is not shared. Restarts hardware + * queues in a round-robin fashion if the tag set of @hctx is shared with other + * hardware queues. + */ +void blk_mq_sched_restart(struct blk_mq_hw_ctx *const hctx) +{ + struct blk_mq_tags *const tags = hctx->tags; + struct blk_mq_tag_set *const set = hctx->queue->tag_set; + struct request_queue *const queue = hctx->queue, *q; + struct blk_mq_hw_ctx *hctx2; + unsigned int i, j; + + if (set->flags & BLK_MQ_F_TAG_SHARED) { + rcu_read_lock(); + list_for_each_entry_rcu_rr(q, queue, &set->tag_list, + tag_set_list) { + queue_for_each_hw_ctx(q, hctx2, i) + if (hctx2->tags == tags && + blk_mq_sched_restart_hctx(hctx2)) + goto done; + } + j = hctx->queue_num + 1; + for (i = 0; i < queue->nr_hw_queues; i++, j++) { + if (j == queue->nr_hw_queues) + j = 0; + hctx2 = queue->queue_hw_ctx[j]; + if (hctx2->tags == tags && + blk_mq_sched_restart_hctx(hctx2)) + break; } +done: + rcu_read_unlock(); } else { blk_mq_sched_restart_hctx(hctx); } @@ -431,11 +475,67 @@ static void blk_mq_sched_free_tags(struct blk_mq_tag_set *set, } } -int blk_mq_sched_setup(struct request_queue *q) +static int blk_mq_sched_alloc_tags(struct request_queue *q, + struct blk_mq_hw_ctx *hctx, + unsigned int hctx_idx) +{ + struct blk_mq_tag_set *set = q->tag_set; + int ret; + + hctx->sched_tags = blk_mq_alloc_rq_map(set, hctx_idx, q->nr_requests, + set->reserved_tags); + if (!hctx->sched_tags) + return -ENOMEM; + + ret = blk_mq_alloc_rqs(set, hctx->sched_tags, hctx_idx, q->nr_requests); + if (ret) + blk_mq_sched_free_tags(set, hctx, hctx_idx); + + return ret; +} + +static void blk_mq_sched_tags_teardown(struct request_queue *q) { struct blk_mq_tag_set *set = q->tag_set; struct blk_mq_hw_ctx *hctx; - int ret, i; + int i; + + queue_for_each_hw_ctx(q, hctx, i) + blk_mq_sched_free_tags(set, hctx, i); +} + +int blk_mq_sched_init_hctx(struct request_queue *q, struct blk_mq_hw_ctx *hctx, + unsigned int hctx_idx) +{ + struct elevator_queue *e = q->elevator; + + if (!e) + return 0; + + return blk_mq_sched_alloc_tags(q, hctx, hctx_idx); +} + +void blk_mq_sched_exit_hctx(struct request_queue *q, struct blk_mq_hw_ctx *hctx, + unsigned int hctx_idx) +{ + struct elevator_queue *e = q->elevator; + + if (!e) + return; + + blk_mq_sched_free_tags(q->tag_set, hctx, hctx_idx); +} + +int blk_mq_init_sched(struct request_queue *q, struct elevator_type *e) +{ + struct blk_mq_hw_ctx *hctx; + unsigned int i; + int ret; + + if (!e) { + q->elevator = NULL; + return 0; + } /* * Default to 256, since we don't split into sync/async like the @@ -443,49 +543,30 @@ int blk_mq_sched_setup(struct request_queue *q) */ q->nr_requests = 2 * BLKDEV_MAX_RQ; - /* - * We're switching to using an IO scheduler, so setup the hctx - * scheduler tags and switch the request map from the regular - * tags to scheduler tags. First allocate what we need, so we - * can safely fail and fallback, if needed. - */ - ret = 0; queue_for_each_hw_ctx(q, hctx, i) { - hctx->sched_tags = blk_mq_alloc_rq_map(set, i, - q->nr_requests, set->reserved_tags); - if (!hctx->sched_tags) { - ret = -ENOMEM; - break; - } - ret = blk_mq_alloc_rqs(set, hctx->sched_tags, i, q->nr_requests); + ret = blk_mq_sched_alloc_tags(q, hctx, i); if (ret) - break; + goto err; } - /* - * If we failed, free what we did allocate - */ - if (ret) { - queue_for_each_hw_ctx(q, hctx, i) { - if (!hctx->sched_tags) - continue; - blk_mq_sched_free_tags(set, hctx, i); - } - - return ret; - } + ret = e->ops.mq.init_sched(q, e); + if (ret) + goto err; return 0; + +err: + blk_mq_sched_tags_teardown(q); + q->elevator = NULL; + return ret; } -void blk_mq_sched_teardown(struct request_queue *q) +void blk_mq_exit_sched(struct request_queue *q, struct elevator_queue *e) { - struct blk_mq_tag_set *set = q->tag_set; - struct blk_mq_hw_ctx *hctx; - int i; - - queue_for_each_hw_ctx(q, hctx, i) - blk_mq_sched_free_tags(set, hctx, i); + if (e->type->ops.mq.exit_sched) + e->type->ops.mq.exit_sched(e); + blk_mq_sched_tags_teardown(q); + q->elevator = NULL; } int blk_mq_sched_init(struct request_queue *q) diff --git a/block/blk-mq-sched.h b/block/blk-mq-sched.h index a75b16b123f7..3a9e6e40558b 100644 --- a/block/blk-mq-sched.h +++ b/block/blk-mq-sched.h @@ -19,7 +19,7 @@ bool blk_mq_sched_try_merge(struct request_queue *q, struct bio *bio, struct request **merged_request); bool __blk_mq_sched_bio_merge(struct request_queue *q, struct bio *bio); bool blk_mq_sched_try_insert_merge(struct request_queue *q, struct request *rq); -void blk_mq_sched_restart_queues(struct blk_mq_hw_ctx *hctx); +void blk_mq_sched_restart(struct blk_mq_hw_ctx *hctx); void blk_mq_sched_insert_request(struct request *rq, bool at_head, bool run_queue, bool async, bool can_block); @@ -32,8 +32,13 @@ void blk_mq_sched_move_to_dispatch(struct blk_mq_hw_ctx *hctx, struct list_head *rq_list, struct request *(*get_rq)(struct blk_mq_hw_ctx *)); -int blk_mq_sched_setup(struct request_queue *q); -void blk_mq_sched_teardown(struct request_queue *q); +int blk_mq_init_sched(struct request_queue *q, struct elevator_type *e); +void blk_mq_exit_sched(struct request_queue *q, struct elevator_queue *e); + +int blk_mq_sched_init_hctx(struct request_queue *q, struct blk_mq_hw_ctx *hctx, + unsigned int hctx_idx); +void blk_mq_sched_exit_hctx(struct request_queue *q, struct blk_mq_hw_ctx *hctx, + unsigned int hctx_idx); int blk_mq_sched_init(struct request_queue *q); @@ -131,20 +136,6 @@ static inline void blk_mq_sched_mark_restart_hctx(struct blk_mq_hw_ctx *hctx) set_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state); } -/* - * Mark a hardware queue and the request queue it belongs to as needing a - * restart. - */ -static inline void blk_mq_sched_mark_restart_queue(struct blk_mq_hw_ctx *hctx) -{ - struct request_queue *q = hctx->queue; - - if (!test_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state)) - set_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state); - if (!test_bit(QUEUE_FLAG_RESTART, &q->queue_flags)) - set_bit(QUEUE_FLAG_RESTART, &q->queue_flags); -} - static inline bool blk_mq_sched_needs_restart(struct blk_mq_hw_ctx *hctx) { return test_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state); diff --git a/block/blk-mq.c b/block/blk-mq.c index 6b6e7bc041db..572966f49596 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -321,7 +321,6 @@ struct request *blk_mq_alloc_request_hctx(struct request_queue *q, int rw, rq = blk_mq_sched_get_request(q, NULL, rw, &alloc_data); - blk_mq_put_ctx(alloc_data.ctx); blk_queue_exit(q); if (!rq) @@ -349,7 +348,7 @@ void __blk_mq_finish_request(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx, blk_mq_put_tag(hctx, hctx->tags, ctx, rq->tag); if (sched_tag != -1) blk_mq_sched_completed_request(hctx, rq); - blk_mq_sched_restart_queues(hctx); + blk_mq_sched_restart(hctx); blk_queue_exit(q); } @@ -846,12 +845,8 @@ bool blk_mq_get_driver_tag(struct request *rq, struct blk_mq_hw_ctx **hctx, .flags = wait ? 0 : BLK_MQ_REQ_NOWAIT, }; - if (rq->tag != -1) { -done: - if (hctx) - *hctx = data.hctx; - return true; - } + if (rq->tag != -1) + goto done; if (blk_mq_tag_is_reserved(data.hctx->sched_tags, rq->internal_tag)) data.flags |= BLK_MQ_REQ_RESERVED; @@ -863,10 +858,12 @@ done: atomic_inc(&data.hctx->nr_active); } data.hctx->tags->rqs[rq->tag] = rq; - goto done; } - return false; +done: + if (hctx) + *hctx = data.hctx; + return rq->tag != -1; } static void __blk_mq_put_driver_tag(struct blk_mq_hw_ctx *hctx, @@ -963,14 +960,17 @@ static bool blk_mq_dispatch_wait_add(struct blk_mq_hw_ctx *hctx) return true; } -bool blk_mq_dispatch_rq_list(struct blk_mq_hw_ctx *hctx, struct list_head *list) +bool blk_mq_dispatch_rq_list(struct request_queue *q, struct list_head *list) { - struct request_queue *q = hctx->queue; + struct blk_mq_hw_ctx *hctx; struct request *rq; LIST_HEAD(driver_list); struct list_head *dptr; int errors, queued, ret = BLK_MQ_RQ_QUEUE_OK; + if (list_empty(list)) + return false; + /* * Start off with dptr being NULL, so we start the first request * immediately, even if we have more pending. @@ -981,7 +981,7 @@ bool blk_mq_dispatch_rq_list(struct blk_mq_hw_ctx *hctx, struct list_head *list) * Now process all the entries, sending them to the driver. */ errors = queued = 0; - while (!list_empty(list)) { + do { struct blk_mq_queue_data bd; rq = list_first_entry(list, struct request, queuelist); @@ -1052,7 +1052,7 @@ bool blk_mq_dispatch_rq_list(struct blk_mq_hw_ctx *hctx, struct list_head *list) */ if (!dptr && list->next != list->prev) dptr = &driver_list; - } + } while (!list_empty(list)); hctx->dispatched[queued_to_index(queued)]++; @@ -1135,7 +1135,8 @@ static int blk_mq_hctx_next_cpu(struct blk_mq_hw_ctx *hctx) return hctx->next_cpu; } -void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async) +static void __blk_mq_delay_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async, + unsigned long msecs) { if (unlikely(blk_mq_hctx_stopped(hctx) || !blk_mq_hw_queue_mapped(hctx))) @@ -1152,7 +1153,24 @@ void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async) put_cpu(); } - kblockd_schedule_work_on(blk_mq_hctx_next_cpu(hctx), &hctx->run_work); + if (msecs == 0) + kblockd_schedule_work_on(blk_mq_hctx_next_cpu(hctx), + &hctx->run_work); + else + kblockd_schedule_delayed_work_on(blk_mq_hctx_next_cpu(hctx), + &hctx->delayed_run_work, + msecs_to_jiffies(msecs)); +} + +void blk_mq_delay_run_hw_queue(struct blk_mq_hw_ctx *hctx, unsigned long msecs) +{ + __blk_mq_delay_run_hw_queue(hctx, true, msecs); +} +EXPORT_SYMBOL(blk_mq_delay_run_hw_queue); + +void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async) +{ + __blk_mq_delay_run_hw_queue(hctx, async, 0); } void blk_mq_run_hw_queues(struct request_queue *q, bool async) @@ -1255,6 +1273,15 @@ static void blk_mq_run_work_fn(struct work_struct *work) __blk_mq_run_hw_queue(hctx); } +static void blk_mq_delayed_run_work_fn(struct work_struct *work) +{ + struct blk_mq_hw_ctx *hctx; + + hctx = container_of(work, struct blk_mq_hw_ctx, delayed_run_work.work); + + __blk_mq_run_hw_queue(hctx); +} + static void blk_mq_delay_work_fn(struct work_struct *work) { struct blk_mq_hw_ctx *hctx; @@ -1924,6 +1951,8 @@ static void blk_mq_exit_hctx(struct request_queue *q, hctx->fq->flush_rq, hctx_idx, flush_start_tag + hctx_idx); + blk_mq_sched_exit_hctx(q, hctx, hctx_idx); + if (set->ops->exit_hctx) set->ops->exit_hctx(hctx, hctx_idx); @@ -1960,6 +1989,7 @@ static int blk_mq_init_hctx(struct request_queue *q, node = hctx->numa_node = set->numa_node; INIT_WORK(&hctx->run_work, blk_mq_run_work_fn); + INIT_DELAYED_WORK(&hctx->delayed_run_work, blk_mq_delayed_run_work_fn); INIT_DELAYED_WORK(&hctx->delay_work, blk_mq_delay_work_fn); spin_lock_init(&hctx->lock); INIT_LIST_HEAD(&hctx->dispatch); @@ -1990,9 +2020,12 @@ static int blk_mq_init_hctx(struct request_queue *q, set->ops->init_hctx(hctx, set->driver_data, hctx_idx)) goto free_bitmap; + if (blk_mq_sched_init_hctx(q, hctx, hctx_idx)) + goto exit_hctx; + hctx->fq = blk_alloc_flush_queue(q, hctx->numa_node, set->cmd_size); if (!hctx->fq) - goto exit_hctx; + goto sched_exit_hctx; if (set->ops->init_request && set->ops->init_request(set->driver_data, @@ -2007,6 +2040,8 @@ static int blk_mq_init_hctx(struct request_queue *q, free_fq: kfree(hctx->fq); + sched_exit_hctx: + blk_mq_sched_exit_hctx(q, hctx, hctx_idx); exit_hctx: if (set->ops->exit_hctx) set->ops->exit_hctx(hctx, hctx_idx); @@ -2233,8 +2268,6 @@ void blk_mq_release(struct request_queue *q) struct blk_mq_hw_ctx *hctx; unsigned int i; - blk_mq_sched_teardown(q); - /* hctx kobj stays in hctx */ queue_for_each_hw_ctx(q, hctx, i) { if (!hctx) @@ -2565,6 +2598,14 @@ static int blk_mq_alloc_rq_maps(struct blk_mq_tag_set *set) return 0; } +static int blk_mq_update_queue_map(struct blk_mq_tag_set *set) +{ + if (set->ops->map_queues) + return set->ops->map_queues(set); + else + return blk_mq_map_queues(set); +} + /* * Alloc a tag set to be associated with one or more request queues. * May fail with EINVAL for various error conditions. May adjust the @@ -2619,10 +2660,7 @@ int blk_mq_alloc_tag_set(struct blk_mq_tag_set *set) if (!set->mq_map) goto out_free_tags; - if (set->ops->map_queues) - ret = set->ops->map_queues(set); - else - ret = blk_mq_map_queues(set); + ret = blk_mq_update_queue_map(set); if (ret) goto out_free_mq_map; @@ -2714,6 +2752,7 @@ void blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set, int nr_hw_queues) blk_mq_freeze_queue(q); set->nr_hw_queues = nr_hw_queues; + blk_mq_update_queue_map(set); list_for_each_entry(q, &set->tag_list, tag_set_list) { blk_mq_realloc_hw_ctxs(set, q); diff --git a/block/blk-mq.h b/block/blk-mq.h index b79f9a7d8cf6..660a17e1d033 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -31,7 +31,7 @@ void blk_mq_freeze_queue(struct request_queue *q); void blk_mq_free_queue(struct request_queue *q); int blk_mq_update_nr_requests(struct request_queue *q, unsigned int nr); void blk_mq_wake_waiters(struct request_queue *q); -bool blk_mq_dispatch_rq_list(struct blk_mq_hw_ctx *, struct list_head *); +bool blk_mq_dispatch_rq_list(struct request_queue *, struct list_head *); void blk_mq_flush_busy_ctxs(struct blk_mq_hw_ctx *hctx, struct list_head *list); bool blk_mq_hctx_has_pending(struct blk_mq_hw_ctx *hctx); bool blk_mq_get_driver_tag(struct request *rq, struct blk_mq_hw_ctx **hctx, diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index c44b321335f3..37f0b3ad635e 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -816,7 +816,7 @@ static void blk_release_queue(struct kobject *kobj) if (q->elevator) { ioc_clear_queue(q); - elevator_exit(q->elevator); + elevator_exit(q, q->elevator); } blk_exit_rl(&q->root_rl); diff --git a/block/elevator.c b/block/elevator.c index 01139f549b5b..dbeecf7be719 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -242,26 +242,21 @@ int elevator_init(struct request_queue *q, char *name) } } - if (e->uses_mq) { - err = blk_mq_sched_setup(q); - if (!err) - err = e->ops.mq.init_sched(q, e); - } else + if (e->uses_mq) + err = blk_mq_init_sched(q, e); + else err = e->ops.sq.elevator_init_fn(q, e); - if (err) { - if (e->uses_mq) - blk_mq_sched_teardown(q); + if (err) elevator_put(e); - } return err; } EXPORT_SYMBOL(elevator_init); -void elevator_exit(struct elevator_queue *e) +void elevator_exit(struct request_queue *q, struct elevator_queue *e) { mutex_lock(&e->sysfs_lock); if (e->uses_mq && e->type->ops.mq.exit_sched) - e->type->ops.mq.exit_sched(e); + blk_mq_exit_sched(q, e); else if (!e->uses_mq && e->type->ops.sq.elevator_exit_fn) e->type->ops.sq.elevator_exit_fn(e); mutex_unlock(&e->sysfs_lock); @@ -946,6 +941,45 @@ void elv_unregister(struct elevator_type *e) } EXPORT_SYMBOL_GPL(elv_unregister); +static int elevator_switch_mq(struct request_queue *q, + struct elevator_type *new_e) +{ + int ret; + + blk_mq_freeze_queue(q); + blk_mq_quiesce_queue(q); + + if (q->elevator) { + if (q->elevator->registered) + elv_unregister_queue(q); + ioc_clear_queue(q); + elevator_exit(q, q->elevator); + } + + ret = blk_mq_init_sched(q, new_e); + if (ret) + goto out; + + if (new_e) { + ret = elv_register_queue(q); + if (ret) { + elevator_exit(q, q->elevator); + goto out; + } + } + + if (new_e) + blk_add_trace_msg(q, "elv switch: %s", new_e->elevator_name); + else + blk_add_trace_msg(q, "elv switch: none"); + +out: + blk_mq_unfreeze_queue(q); + blk_mq_start_stopped_hw_queues(q, true); + return ret; + +} + /* * switch to new_e io scheduler. be careful not to introduce deadlocks - * we don't free the old io scheduler, before we have allocated what we @@ -958,10 +992,8 @@ static int elevator_switch(struct request_queue *q, struct elevator_type *new_e) bool old_registered = false; int err; - if (q->mq_ops) { - blk_mq_freeze_queue(q); - blk_mq_quiesce_queue(q); - } + if (q->mq_ops) + return elevator_switch_mq(q, new_e); /* * Turn on BYPASS and drain all requests w/ elevator private data. @@ -973,11 +1005,7 @@ static int elevator_switch(struct request_queue *q, struct elevator_type *new_e) if (old) { old_registered = old->registered; - if (old->uses_mq) - blk_mq_sched_teardown(q); - - if (!q->mq_ops) - blk_queue_bypass_start(q); + blk_queue_bypass_start(q); /* unregister and clear all auxiliary data of the old elevator */ if (old_registered) @@ -987,56 +1015,32 @@ static int elevator_switch(struct request_queue *q, struct elevator_type *new_e) } /* allocate, init and register new elevator */ - if (new_e) { - if (new_e->uses_mq) { - err = blk_mq_sched_setup(q); - if (!err) - err = new_e->ops.mq.init_sched(q, new_e); - } else - err = new_e->ops.sq.elevator_init_fn(q, new_e); - if (err) - goto fail_init; + err = new_e->ops.sq.elevator_init_fn(q, new_e); + if (err) + goto fail_init; - err = elv_register_queue(q); - if (err) - goto fail_register; - } else - q->elevator = NULL; + err = elv_register_queue(q); + if (err) + goto fail_register; /* done, kill the old one and finish */ if (old) { - elevator_exit(old); - if (!q->mq_ops) - blk_queue_bypass_end(q); + elevator_exit(q, old); + blk_queue_bypass_end(q); } - if (q->mq_ops) { - blk_mq_unfreeze_queue(q); - blk_mq_start_stopped_hw_queues(q, true); - } - - if (new_e) - blk_add_trace_msg(q, "elv switch: %s", new_e->elevator_name); - else - blk_add_trace_msg(q, "elv switch: none"); + blk_add_trace_msg(q, "elv switch: %s", new_e->elevator_name); return 0; fail_register: - if (q->mq_ops) - blk_mq_sched_teardown(q); - elevator_exit(q->elevator); + elevator_exit(q, q->elevator); fail_init: /* switch failed, restore and re-register old elevator */ if (old) { q->elevator = old; elv_register_queue(q); - if (!q->mq_ops) - blk_queue_bypass_end(q); - } - if (q->mq_ops) { - blk_mq_unfreeze_queue(q); - blk_mq_start_stopped_hw_queues(q, true); + blk_queue_bypass_end(q); } return err; diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c index a90404a0c5ff..b5758768920b 100644 --- a/crypto/crypto_user.c +++ b/crypto/crypto_user.c @@ -483,7 +483,8 @@ static const struct crypto_link { [CRYPTO_MSG_DELRNG - CRYPTO_MSG_BASE] = { .doit = crypto_del_rng }, }; -static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) +static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, + struct netlink_ext_ack *extack) { struct nlattr *attrs[CRYPTOCFGA_MAX+1]; const struct crypto_link *link; @@ -522,7 +523,7 @@ static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) } err = nlmsg_parse(nlh, crypto_msg_min[type], attrs, CRYPTOCFGA_MAX, - crypto_policy); + crypto_policy, extack); if (err < 0) return err; diff --git a/drivers/acpi/acpica/utresrc.c b/drivers/acpi/acpica/utresrc.c index c86bae7b1d0f..ff096d9755b9 100644 --- a/drivers/acpi/acpica/utresrc.c +++ b/drivers/acpi/acpica/utresrc.c @@ -421,10 +421,8 @@ acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state, ACPI_FUNCTION_TRACE(ut_walk_aml_resources); - /* - * The absolute minimum resource template is one end_tag descriptor. - * However, we will treat a lone end_tag as just a simple buffer. - */ + /* The absolute minimum resource template is one end_tag descriptor */ + if (aml_length < sizeof(struct aml_resource_end_tag)) { return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG); } @@ -456,8 +454,9 @@ acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state, /* Invoke the user function */ if (user_function) { - status = user_function(aml, length, offset, - resource_index, context); + status = + user_function(aml, length, offset, resource_index, + context); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -481,12 +480,6 @@ acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state, *context = aml; } - /* Check if buffer is defined to be longer than the resource length */ - - if (aml_length > (offset + length)) { - return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG); - } - /* Normal exit */ return_ACPI_STATUS(AE_OK); diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index fb19e1cdb641..edc8663b5db3 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -99,13 +99,13 @@ static int find_child_checks(struct acpi_device *adev, bool check_children) return -ENODEV; /* - * If the device has a _HID (or _CID) returning a valid ACPI/PNP - * device ID, it is better to make it look less attractive here, so that - * the other device with the same _ADR value (that may not have a valid - * device ID) can be matched going forward. [This means a second spec - * violation in a row, so whatever we do here is best effort anyway.] + * If the device has a _HID returning a valid ACPI/PNP device ID, it is + * better to make it look less attractive here, so that the other device + * with the same _ADR value (that may not have a valid device ID) can be + * matched going forward. [This means a second spec violation in a row, + * so whatever we do here is best effort anyway.] */ - return sta_present && list_empty(&adev->pnp.ids) ? + return sta_present && !adev->pnp.type.platform_id ? FIND_CHILD_MAX_SCORE : FIND_CHILD_MIN_SCORE; } diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 192691880d55..2433569b02ef 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1857,15 +1857,20 @@ static void acpi_bus_attach(struct acpi_device *device) return; device->flags.match_driver = true; - if (!ret) { - ret = device_attach(&device->dev); - if (ret < 0) - return; - - if (!ret && device->pnp.type.platform_id) - acpi_default_enumeration(device); + if (ret > 0) { + acpi_device_set_enumerated(device); + goto ok; } + ret = device_attach(&device->dev); + if (ret < 0) + return; + + if (ret > 0 || !device->pnp.type.platform_id) + acpi_device_set_enumerated(device); + else + acpi_default_enumeration(device); + ok: list_for_each_entry(child, &device->children, node) acpi_bus_attach(child); diff --git a/drivers/ata/pata_atiixp.c b/drivers/ata/pata_atiixp.c index 6c9aa95a9a05..49d705c9f0f7 100644 --- a/drivers/ata/pata_atiixp.c +++ b/drivers/ata/pata_atiixp.c @@ -278,11 +278,6 @@ static int atiixp_init_one(struct pci_dev *pdev, const struct pci_device_id *id) }; const struct ata_port_info *ppi[] = { &info, &info }; - /* SB600/700 don't have secondary port wired */ - if ((pdev->device == PCI_DEVICE_ID_ATI_IXP600_IDE) || - (pdev->device == PCI_DEVICE_ID_ATI_IXP700_IDE)) - ppi[1] = &ata_dummy_port_info; - return ata_pci_bmdma_init_one(pdev, ppi, &atiixp_sht, NULL, ATA_HOST_PARALLEL_SCAN); } diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c index 0636d84fbefe..f3f538eec7b3 100644 --- a/drivers/ata/sata_via.c +++ b/drivers/ata/sata_via.c @@ -644,14 +644,16 @@ static void svia_configure(struct pci_dev *pdev, int board_id, pci_write_config_byte(pdev, SATA_NATIVE_MODE, tmp8); } - /* enable IRQ on hotplug */ - pci_read_config_byte(pdev, SVIA_MISC_3, &tmp8); - if ((tmp8 & SATA_HOTPLUG) != SATA_HOTPLUG) { - dev_dbg(&pdev->dev, - "enabling SATA hotplug (0x%x)\n", - (int) tmp8); - tmp8 |= SATA_HOTPLUG; - pci_write_config_byte(pdev, SVIA_MISC_3, tmp8); + if (board_id == vt6421) { + /* enable IRQ on hotplug */ + pci_read_config_byte(pdev, SVIA_MISC_3, &tmp8); + if ((tmp8 & SATA_HOTPLUG) != SATA_HOTPLUG) { + dev_dbg(&pdev->dev, + "enabling SATA hotplug (0x%x)\n", + (int) tmp8); + tmp8 |= SATA_HOTPLUG; + pci_write_config_byte(pdev, SVIA_MISC_3, tmp8); + } } /* diff --git a/drivers/block/drbd/drbd_nla.c b/drivers/block/drbd/drbd_nla.c index b2d4791498a6..6bf806df60dc 100644 --- a/drivers/block/drbd/drbd_nla.c +++ b/drivers/block/drbd/drbd_nla.c @@ -34,7 +34,7 @@ int drbd_nla_parse_nested(struct nlattr *tb[], int maxtype, struct nlattr *nla, err = drbd_nla_check_mandatory(maxtype, nla); if (!err) - err = nla_parse_nested(tb, maxtype, nla, policy); + err = nla_parse_nested(tb, maxtype, nla, policy, NULL); return err; } diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index dceb5edd1e54..0c09d4256108 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -523,7 +523,7 @@ static int zram_decompress_page(struct zram *zram, char *mem, u32 index) cmem = zs_map_object(meta->mem_pool, handle, ZS_MM_RO); if (size == PAGE_SIZE) { - copy_page(mem, cmem); + memcpy(mem, cmem, PAGE_SIZE); } else { struct zcomp_strm *zstrm = zcomp_stream_get(zram->comp); @@ -717,7 +717,7 @@ compress_again: if ((clen == PAGE_SIZE) && !is_partial_io(bvec)) { src = kmap_atomic(page); - copy_page(cmem, src); + memcpy(cmem, src, PAGE_SIZE); kunmap_atomic(src); } else { memcpy(cmem, src, clen); @@ -928,7 +928,7 @@ static int zram_rw_page(struct block_device *bdev, sector_t sector, } index = sector >> SECTORS_PER_PAGE_SHIFT; - offset = sector & (SECTORS_PER_PAGE - 1) << SECTOR_SHIFT; + offset = (sector & (SECTORS_PER_PAGE - 1)) << SECTOR_SHIFT; bv.bv_page = page; bv.bv_len = PAGE_SIZE; diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 6d9cc2d39d22..7e4a9d1296bb 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -60,6 +60,10 @@ static inline int valid_mmap_phys_addr_range(unsigned long pfn, size_t size) #endif #ifdef CONFIG_STRICT_DEVMEM +static inline int page_is_allowed(unsigned long pfn) +{ + return devmem_is_allowed(pfn); +} static inline int range_is_allowed(unsigned long pfn, unsigned long size) { u64 from = ((u64)pfn) << PAGE_SHIFT; @@ -75,6 +79,10 @@ static inline int range_is_allowed(unsigned long pfn, unsigned long size) return 1; } #else +static inline int page_is_allowed(unsigned long pfn) +{ + return 1; +} static inline int range_is_allowed(unsigned long pfn, unsigned long size) { return 1; @@ -122,23 +130,31 @@ static ssize_t read_mem(struct file *file, char __user *buf, while (count > 0) { unsigned long remaining; + int allowed; sz = size_inside_page(p, count); - if (!range_is_allowed(p >> PAGE_SHIFT, count)) + allowed = page_is_allowed(p >> PAGE_SHIFT); + if (!allowed) return -EPERM; + if (allowed == 2) { + /* Show zeros for restricted memory. */ + remaining = clear_user(buf, sz); + } else { + /* + * On ia64 if a page has been mapped somewhere as + * uncached, then it must also be accessed uncached + * by the kernel or data corruption may occur. + */ + ptr = xlate_dev_mem_ptr(p); + if (!ptr) + return -EFAULT; - /* - * On ia64 if a page has been mapped somewhere as uncached, then - * it must also be accessed uncached by the kernel or data - * corruption may occur. - */ - ptr = xlate_dev_mem_ptr(p); - if (!ptr) - return -EFAULT; + remaining = copy_to_user(buf, ptr, sz); + + unxlate_dev_mem_ptr(p, ptr); + } - remaining = copy_to_user(buf, ptr, sz); - unxlate_dev_mem_ptr(p, ptr); if (remaining) return -EFAULT; @@ -181,30 +197,36 @@ static ssize_t write_mem(struct file *file, const char __user *buf, #endif while (count > 0) { + int allowed; + sz = size_inside_page(p, count); - if (!range_is_allowed(p >> PAGE_SHIFT, sz)) + allowed = page_is_allowed(p >> PAGE_SHIFT); + if (!allowed) return -EPERM; - /* - * On ia64 if a page has been mapped somewhere as uncached, then - * it must also be accessed uncached by the kernel or data - * corruption may occur. - */ - ptr = xlate_dev_mem_ptr(p); - if (!ptr) { - if (written) - break; - return -EFAULT; - } + /* Skip actual writing when a page is marked as restricted. */ + if (allowed == 1) { + /* + * On ia64 if a page has been mapped somewhere as + * uncached, then it must also be accessed uncached + * by the kernel or data corruption may occur. + */ + ptr = xlate_dev_mem_ptr(p); + if (!ptr) { + if (written) + break; + return -EFAULT; + } - copied = copy_from_user(ptr, buf, sz); - unxlate_dev_mem_ptr(p, ptr); - if (copied) { - written += sz - copied; - if (written) - break; - return -EFAULT; + copied = copy_from_user(ptr, buf, sz); + unxlate_dev_mem_ptr(p, ptr); + if (copied) { + written += sz - copied; + if (written) + break; + return -EFAULT; + } } buf += sz; diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index e9b7e0b3cabe..87fe111d0be6 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -2202,14 +2202,16 @@ static int virtcons_freeze(struct virtio_device *vdev) vdev->config->reset(vdev); - virtqueue_disable_cb(portdev->c_ivq); + if (use_multiport(portdev)) + virtqueue_disable_cb(portdev->c_ivq); cancel_work_sync(&portdev->control_work); cancel_work_sync(&portdev->config_work); /* * Once more: if control_work_handler() was running, it would * enable the cb as the last step. */ - virtqueue_disable_cb(portdev->c_ivq); + if (use_multiport(portdev)) + virtqueue_disable_cb(portdev->c_ivq); remove_controlq_data(portdev); list_for_each_entry(port, &portdev->ports, list) { diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index bc96d423781a..0e3f6496524d 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -2398,6 +2398,20 @@ EXPORT_SYMBOL_GPL(cpufreq_boost_enabled); *********************************************************************/ static enum cpuhp_state hp_online; +static int cpuhp_cpufreq_online(unsigned int cpu) +{ + cpufreq_online(cpu); + + return 0; +} + +static int cpuhp_cpufreq_offline(unsigned int cpu) +{ + cpufreq_offline(cpu); + + return 0; +} + /** * cpufreq_register_driver - register a CPU Frequency driver * @driver_data: A struct cpufreq_driver containing the values# @@ -2460,8 +2474,8 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) } ret = cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN, "cpufreq:online", - cpufreq_online, - cpufreq_offline); + cpuhp_cpufreq_online, + cpuhp_cpufreq_offline); if (ret < 0) goto err_if_unreg; hp_online = ret; diff --git a/drivers/crypto/caam/caampkc.c b/drivers/crypto/caam/caampkc.c index 32100c4851dd..49cbdcba7883 100644 --- a/drivers/crypto/caam/caampkc.c +++ b/drivers/crypto/caam/caampkc.c @@ -506,7 +506,7 @@ static int caam_rsa_init_tfm(struct crypto_akcipher *tfm) ctx->dev = caam_jr_alloc(); if (IS_ERR(ctx->dev)) { - dev_err(ctx->dev, "Job Ring Device allocation for transform failed\n"); + pr_err("Job Ring Device allocation for transform failed\n"); return PTR_ERR(ctx->dev); } diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index fef39f9f41ee..5d7f73d60515 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -281,7 +281,8 @@ static int deinstantiate_rng(struct device *ctrldev, int state_handle_mask) /* Try to run it through DECO0 */ ret = run_descriptor_deco0(ctrldev, desc, &status); - if (ret || status) { + if (ret || + (status && status != JRSTA_SSRC_JUMP_HALT_CC)) { dev_err(ctrldev, "Failed to deinstantiate RNG4 SH%d\n", sh_idx); @@ -301,15 +302,13 @@ static int caam_remove(struct platform_device *pdev) struct device *ctrldev; struct caam_drv_private *ctrlpriv; struct caam_ctrl __iomem *ctrl; - int ring; ctrldev = &pdev->dev; ctrlpriv = dev_get_drvdata(ctrldev); ctrl = (struct caam_ctrl __iomem *)ctrlpriv->ctrl; - /* Remove platform devices for JobRs */ - for (ring = 0; ring < ctrlpriv->total_jobrs; ring++) - of_device_unregister(ctrlpriv->jrpdev[ring]); + /* Remove platform devices under the crypto node */ + of_platform_depopulate(ctrldev); /* De-initialize RNG state handles initialized by this driver. */ if (ctrlpriv->rng4_sh_init) @@ -418,10 +417,21 @@ DEFINE_SIMPLE_ATTRIBUTE(caam_fops_u32_ro, caam_debugfs_u32_get, NULL, "%llu\n"); DEFINE_SIMPLE_ATTRIBUTE(caam_fops_u64_ro, caam_debugfs_u64_get, NULL, "%llu\n"); #endif +static const struct of_device_id caam_match[] = { + { + .compatible = "fsl,sec-v4.0", + }, + { + .compatible = "fsl,sec4.0", + }, + {}, +}; +MODULE_DEVICE_TABLE(of, caam_match); + /* Probe routine for CAAM top (controller) level */ static int caam_probe(struct platform_device *pdev) { - int ret, ring, ridx, rspec, gen_sk, ent_delay = RTSDCTL_ENT_DLY_MIN; + int ret, ring, gen_sk, ent_delay = RTSDCTL_ENT_DLY_MIN; u64 caam_id; struct device *dev; struct device_node *nprop, *np; @@ -597,47 +607,24 @@ static int caam_probe(struct platform_device *pdev) goto iounmap_ctrl; } - /* - * Detect and enable JobRs - * First, find out how many ring spec'ed, allocate references - * for all, then go probe each one. - */ - rspec = 0; - for_each_available_child_of_node(nprop, np) - if (of_device_is_compatible(np, "fsl,sec-v4.0-job-ring") || - of_device_is_compatible(np, "fsl,sec4.0-job-ring")) - rspec++; - - ctrlpriv->jrpdev = devm_kcalloc(&pdev->dev, rspec, - sizeof(*ctrlpriv->jrpdev), GFP_KERNEL); - if (ctrlpriv->jrpdev == NULL) { - ret = -ENOMEM; + ret = of_platform_populate(nprop, caam_match, NULL, dev); + if (ret) { + dev_err(dev, "JR platform devices creation error\n"); goto iounmap_ctrl; } ring = 0; - ridx = 0; - ctrlpriv->total_jobrs = 0; for_each_available_child_of_node(nprop, np) if (of_device_is_compatible(np, "fsl,sec-v4.0-job-ring") || of_device_is_compatible(np, "fsl,sec4.0-job-ring")) { - ctrlpriv->jrpdev[ring] = - of_platform_device_create(np, NULL, dev); - if (!ctrlpriv->jrpdev[ring]) { - pr_warn("JR physical index %d: Platform device creation error\n", - ridx); - ridx++; - continue; - } ctrlpriv->jr[ring] = (struct caam_job_ring __iomem __force *) ((__force uint8_t *)ctrl + - (ridx + JR_BLOCK_NUMBER) * + (ring + JR_BLOCK_NUMBER) * BLOCK_OFFSET ); ctrlpriv->total_jobrs++; ring++; - ridx++; - } + } /* Check to see if QI present. If so, enable */ ctrlpriv->qi_present = @@ -847,17 +834,6 @@ disable_caam_ipg: return ret; } -static struct of_device_id caam_match[] = { - { - .compatible = "fsl,sec-v4.0", - }, - { - .compatible = "fsl,sec4.0", - }, - {}, -}; -MODULE_DEVICE_TABLE(of, caam_match); - static struct platform_driver caam_driver = { .driver = { .name = "caam", diff --git a/drivers/crypto/caam/intern.h b/drivers/crypto/caam/intern.h index e2bcacc1a921..dbed8baeebe5 100644 --- a/drivers/crypto/caam/intern.h +++ b/drivers/crypto/caam/intern.h @@ -66,7 +66,6 @@ struct caam_drv_private_jr { struct caam_drv_private { struct device *dev; - struct platform_device **jrpdev; /* Alloc'ed array per sub-device */ struct platform_device *pdev; /* Physical-presence section */ diff --git a/drivers/firmware/efi/libstub/gop.c b/drivers/firmware/efi/libstub/gop.c index 932742e4cf23..24c461dea7af 100644 --- a/drivers/firmware/efi/libstub/gop.c +++ b/drivers/firmware/efi/libstub/gop.c @@ -149,7 +149,8 @@ setup_gop32(efi_system_table_t *sys_table_arg, struct screen_info *si, status = __gop_query32(sys_table_arg, gop32, &info, &size, ¤t_fb_base); - if (status == EFI_SUCCESS && (!first_gop || conout_found)) { + if (status == EFI_SUCCESS && (!first_gop || conout_found) && + info->pixel_format != PIXEL_BLT_ONLY) { /* * Systems that use the UEFI Console Splitter may * provide multiple GOP devices, not all of which are @@ -266,7 +267,8 @@ setup_gop64(efi_system_table_t *sys_table_arg, struct screen_info *si, status = __gop_query64(sys_table_arg, gop64, &info, &size, ¤t_fb_base); - if (status == EFI_SUCCESS && (!first_gop || conout_found)) { + if (status == EFI_SUCCESS && (!first_gop || conout_found) && + info->pixel_format != PIXEL_BLT_ONLY) { /* * Systems that use the UEFI Console Splitter may * provide multiple GOP devices, not all of which are diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index da48819ff2e6..b78d9239e48f 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -1317,7 +1317,7 @@ int etnaviv_gpu_submit(struct etnaviv_gpu *gpu, if (!fence) { event_free(gpu, event); ret = -ENOMEM; - goto out_pm_put; + goto out_unlock; } gpu->event[event].fence = fence; @@ -1357,6 +1357,7 @@ int etnaviv_gpu_submit(struct etnaviv_gpu *gpu, hangcheck_timer_reset(gpu); ret = 0; +out_unlock: mutex_unlock(&gpu->lock); out_pm_put: diff --git a/drivers/gpu/drm/i915/gvt/cfg_space.c b/drivers/gpu/drm/i915/gvt/cfg_space.c index b7d7721e72fa..40af17ec6312 100644 --- a/drivers/gpu/drm/i915/gvt/cfg_space.c +++ b/drivers/gpu/drm/i915/gvt/cfg_space.c @@ -285,9 +285,6 @@ int intel_vgpu_emulate_cfg_write(struct intel_vgpu *vgpu, unsigned int offset, { int ret; - if (vgpu->failsafe) - return 0; - if (WARN_ON(bytes > 4)) return -EINVAL; diff --git a/drivers/gpu/drm/i915/gvt/execlist.c b/drivers/gpu/drm/i915/gvt/execlist.c index f1f426a97aa9..d186c157f65f 100644 --- a/drivers/gpu/drm/i915/gvt/execlist.c +++ b/drivers/gpu/drm/i915/gvt/execlist.c @@ -775,7 +775,8 @@ static void init_vgpu_execlist(struct intel_vgpu *vgpu, int ring_id) _EL_OFFSET_STATUS_PTR); ctx_status_ptr.dw = vgpu_vreg(vgpu, ctx_status_ptr_reg); - ctx_status_ptr.read_ptr = ctx_status_ptr.write_ptr = 0x7; + ctx_status_ptr.read_ptr = 0; + ctx_status_ptr.write_ptr = 0x7; vgpu_vreg(vgpu, ctx_status_ptr_reg) = ctx_status_ptr.dw; } diff --git a/drivers/gpu/drm/i915/gvt/firmware.c b/drivers/gpu/drm/i915/gvt/firmware.c index 933a7c211a1c..dce8d15f706f 100644 --- a/drivers/gpu/drm/i915/gvt/firmware.c +++ b/drivers/gpu/drm/i915/gvt/firmware.c @@ -75,11 +75,11 @@ static int expose_firmware_sysfs(struct intel_gvt *gvt) struct gvt_firmware_header *h; void *firmware; void *p; - unsigned long size; + unsigned long size, crc32_start; int i; int ret; - size = sizeof(*h) + info->mmio_size + info->cfg_space_size - 1; + size = sizeof(*h) + info->mmio_size + info->cfg_space_size; firmware = vzalloc(size); if (!firmware) return -ENOMEM; @@ -112,6 +112,9 @@ static int expose_firmware_sysfs(struct intel_gvt *gvt) memcpy(gvt->firmware.mmio, p, info->mmio_size); + crc32_start = offsetof(struct gvt_firmware_header, crc32) + 4; + h->crc32 = crc32_le(0, firmware + crc32_start, size - crc32_start); + firmware_attr.size = size; firmware_attr.private = firmware; @@ -234,7 +237,7 @@ int intel_gvt_load_firmware(struct intel_gvt *gvt) firmware->mmio = mem; - sprintf(path, "%s/vid_0x%04x_did_0x%04x_rid_0x%04x.golden_hw_state", + sprintf(path, "%s/vid_0x%04x_did_0x%04x_rid_0x%02x.golden_hw_state", GVT_FIRMWARE_PATH, pdev->vendor, pdev->device, pdev->revision); diff --git a/drivers/gpu/drm/i915/gvt/gvt.c b/drivers/gpu/drm/i915/gvt/gvt.c index 3b9d59e457ba..ef3baa0c4754 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.c +++ b/drivers/gpu/drm/i915/gvt/gvt.c @@ -52,6 +52,8 @@ static const struct intel_gvt_ops intel_gvt_ops = { .vgpu_create = intel_gvt_create_vgpu, .vgpu_destroy = intel_gvt_destroy_vgpu, .vgpu_reset = intel_gvt_reset_vgpu, + .vgpu_activate = intel_gvt_activate_vgpu, + .vgpu_deactivate = intel_gvt_deactivate_vgpu, }; /** diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h index 6dfc48b63b71..becae2fa3b29 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.h +++ b/drivers/gpu/drm/i915/gvt/gvt.h @@ -382,7 +382,8 @@ void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu); void intel_gvt_reset_vgpu_locked(struct intel_vgpu *vgpu, bool dmlr, unsigned int engine_mask); void intel_gvt_reset_vgpu(struct intel_vgpu *vgpu); - +void intel_gvt_activate_vgpu(struct intel_vgpu *vgpu); +void intel_gvt_deactivate_vgpu(struct intel_vgpu *vgpu); /* validating GM functions */ #define vgpu_gmadr_is_aperture(vgpu, gmadr) \ @@ -449,6 +450,8 @@ struct intel_gvt_ops { struct intel_vgpu_type *); void (*vgpu_destroy)(struct intel_vgpu *); void (*vgpu_reset)(struct intel_vgpu *); + void (*vgpu_activate)(struct intel_vgpu *); + void (*vgpu_deactivate)(struct intel_vgpu *); }; diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c index d641214578a7..e466259034e2 100644 --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -544,6 +544,8 @@ static int intel_vgpu_open(struct mdev_device *mdev) if (ret) goto undo_group; + intel_gvt_ops->vgpu_activate(vgpu); + atomic_set(&vgpu->vdev.released, 0); return ret; @@ -569,6 +571,8 @@ static void __intel_vgpu_release(struct intel_vgpu *vgpu) if (atomic_cmpxchg(&vgpu->vdev.released, 0, 1)) return; + intel_gvt_ops->vgpu_deactivate(vgpu); + ret = vfio_unregister_notifier(mdev_dev(vgpu->vdev.mdev), VFIO_IOMMU_NOTIFY, &vgpu->vdev.iommu_notifier); WARN(ret, "vfio_unregister_notifier for iommu failed: %d\n", ret); @@ -1340,13 +1344,6 @@ static int kvmgt_guest_init(struct mdev_device *mdev) static bool kvmgt_guest_exit(struct kvmgt_guest_info *info) { - struct intel_vgpu *vgpu = info->vgpu; - - if (!info) { - gvt_vgpu_err("kvmgt_guest_info invalid\n"); - return false; - } - kvm_page_track_unregister_notifier(info->kvm, &info->track_node); kvm_put_kvm(info->kvm); kvmgt_protect_table_destroy(info); diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c index 41cfa5ccae84..649ef280cc9a 100644 --- a/drivers/gpu/drm/i915/gvt/vgpu.c +++ b/drivers/gpu/drm/i915/gvt/vgpu.c @@ -72,7 +72,7 @@ static struct { char *name; } vgpu_types[] = { /* Fixed vGPU type table */ - { MB_TO_BYTES(64), MB_TO_BYTES(512), 4, GVT_EDID_1024_768, "8" }, + { MB_TO_BYTES(64), MB_TO_BYTES(384), 4, GVT_EDID_1024_768, "8" }, { MB_TO_BYTES(128), MB_TO_BYTES(512), 4, GVT_EDID_1920_1200, "4" }, { MB_TO_BYTES(256), MB_TO_BYTES(1024), 4, GVT_EDID_1920_1200, "2" }, { MB_TO_BYTES(512), MB_TO_BYTES(2048), 4, GVT_EDID_1920_1200, "1" }, @@ -179,20 +179,34 @@ static void intel_gvt_update_vgpu_types(struct intel_gvt *gvt) } /** - * intel_gvt_destroy_vgpu - destroy a virtual GPU + * intel_gvt_active_vgpu - activate a virtual GPU * @vgpu: virtual GPU * - * This function is called when user wants to destroy a virtual GPU. + * This function is called when user wants to activate a virtual GPU. * */ -void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu) +void intel_gvt_activate_vgpu(struct intel_vgpu *vgpu) +{ + mutex_lock(&vgpu->gvt->lock); + vgpu->active = true; + mutex_unlock(&vgpu->gvt->lock); +} + +/** + * intel_gvt_deactive_vgpu - deactivate a virtual GPU + * @vgpu: virtual GPU + * + * This function is called when user wants to deactivate a virtual GPU. + * All virtual GPU runtime information will be destroyed. + * + */ +void intel_gvt_deactivate_vgpu(struct intel_vgpu *vgpu) { struct intel_gvt *gvt = vgpu->gvt; mutex_lock(&gvt->lock); vgpu->active = false; - idr_remove(&gvt->vgpu_idr, vgpu->id); if (atomic_read(&vgpu->running_workload_num)) { mutex_unlock(&gvt->lock); @@ -201,6 +215,26 @@ void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu) } intel_vgpu_stop_schedule(vgpu); + + mutex_unlock(&gvt->lock); +} + +/** + * intel_gvt_destroy_vgpu - destroy a virtual GPU + * @vgpu: virtual GPU + * + * This function is called when user wants to destroy a virtual GPU. + * + */ +void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu) +{ + struct intel_gvt *gvt = vgpu->gvt; + + mutex_lock(&gvt->lock); + + WARN(vgpu->active, "vGPU is still active!\n"); + + idr_remove(&gvt->vgpu_idr, vgpu->id); intel_vgpu_clean_sched_policy(vgpu); intel_vgpu_clean_gvt_context(vgpu); intel_vgpu_clean_execlist(vgpu); @@ -277,7 +311,6 @@ static struct intel_vgpu *__intel_gvt_create_vgpu(struct intel_gvt *gvt, if (ret) goto out_clean_shadow_ctx; - vgpu->active = true; mutex_unlock(&gvt->lock); return vgpu; diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 1c75402a59c1..5c089b3c2a7e 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -1434,8 +1434,6 @@ static int i915_drm_suspend(struct drm_device *dev) goto out; } - intel_guc_suspend(dev_priv); - intel_display_suspend(dev); intel_dp_mst_suspend(dev); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 1e53c31b6826..46fcd8b7080a 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -806,6 +806,7 @@ struct intel_csr { func(has_resource_streamer); \ func(has_runtime_pm); \ func(has_snoop); \ + func(unfenced_needs_alignment); \ func(cursor_needs_physical); \ func(hws_needs_physical); \ func(overlay_needs_physical); \ diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 67b1fc5a0331..fe531f904062 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4348,6 +4348,8 @@ int i915_gem_suspend(struct drm_i915_private *dev_priv) i915_gem_context_lost(dev_priv); mutex_unlock(&dev->struct_mutex); + intel_guc_suspend(dev_priv); + cancel_delayed_work_sync(&dev_priv->gpu_error.hangcheck_work); cancel_delayed_work_sync(&dev_priv->gt.retire_work); diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 30e0675fd7da..15a15d00a6bf 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -888,6 +888,7 @@ i915_gem_execbuffer_reserve(struct intel_engine_cs *engine, struct list_head ordered_vmas; struct list_head pinned_vmas; bool has_fenced_gpu_access = INTEL_GEN(engine->i915) < 4; + bool needs_unfenced_map = INTEL_INFO(engine->i915)->unfenced_needs_alignment; int retry; vm = list_first_entry(vmas, struct i915_vma, exec_list)->vm; @@ -908,7 +909,8 @@ i915_gem_execbuffer_reserve(struct intel_engine_cs *engine, if (!has_fenced_gpu_access) entry->flags &= ~EXEC_OBJECT_NEEDS_FENCE; need_fence = - entry->flags & EXEC_OBJECT_NEEDS_FENCE && + (entry->flags & EXEC_OBJECT_NEEDS_FENCE || + needs_unfenced_map) && i915_gem_object_is_tiled(obj); need_mappable = need_fence || need_reloc_mappable(vma); diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 2801a4d56324..96e45a4d5441 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -2704,7 +2704,7 @@ void i915_gem_gtt_finish_pages(struct drm_i915_gem_object *obj, struct i915_ggtt *ggtt = &dev_priv->ggtt; if (unlikely(ggtt->do_idle_maps)) { - if (i915_gem_wait_for_idle(dev_priv, I915_WAIT_LOCKED)) { + if (i915_gem_wait_for_idle(dev_priv, 0)) { DRM_ERROR("Failed to wait for idle; VT'd may hang.\n"); /* Wait a bit, in hopes it avoids the hang */ udelay(10); diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c index e7c3c0318ff6..da70bfe97ec5 100644 --- a/drivers/gpu/drm/i915/i915_gem_request.c +++ b/drivers/gpu/drm/i915/i915_gem_request.c @@ -37,6 +37,17 @@ static const char *i915_fence_get_driver_name(struct dma_fence *fence) static const char *i915_fence_get_timeline_name(struct dma_fence *fence) { + /* The timeline struct (as part of the ppgtt underneath a context) + * may be freed when the request is no longer in use by the GPU. + * We could extend the life of a context to beyond that of all + * fences, possibly keeping the hw resource around indefinitely, + * or we just give them a false name. Since + * dma_fence_ops.get_timeline_name is a debug feature, the occasional + * lie seems justifiable. + */ + if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)) + return "signaled"; + return to_request(fence)->timeline->common->name; } diff --git a/drivers/gpu/drm/i915/i915_gem_shrinker.c b/drivers/gpu/drm/i915/i915_gem_shrinker.c index d5d2b4c6ed38..70b3832a79dd 100644 --- a/drivers/gpu/drm/i915/i915_gem_shrinker.c +++ b/drivers/gpu/drm/i915/i915_gem_shrinker.c @@ -53,6 +53,17 @@ static bool i915_gem_shrinker_lock(struct drm_device *dev, bool *unlock) BUG(); } +static void i915_gem_shrinker_unlock(struct drm_device *dev, bool unlock) +{ + if (!unlock) + return; + + mutex_unlock(&dev->struct_mutex); + + /* expedite the RCU grace period to free some request slabs */ + synchronize_rcu_expedited(); +} + static bool any_vma_pinned(struct drm_i915_gem_object *obj) { struct i915_vma *vma; @@ -232,11 +243,8 @@ i915_gem_shrink(struct drm_i915_private *dev_priv, intel_runtime_pm_put(dev_priv); i915_gem_retire_requests(dev_priv); - if (unlock) - mutex_unlock(&dev_priv->drm.struct_mutex); - /* expedite the RCU grace period to free some request slabs */ - synchronize_rcu_expedited(); + i915_gem_shrinker_unlock(&dev_priv->drm, unlock); return count; } @@ -293,8 +301,7 @@ i915_gem_shrinker_count(struct shrinker *shrinker, struct shrink_control *sc) count += obj->base.size >> PAGE_SHIFT; } - if (unlock) - mutex_unlock(&dev->struct_mutex); + i915_gem_shrinker_unlock(dev, unlock); return count; } @@ -321,8 +328,8 @@ i915_gem_shrinker_scan(struct shrinker *shrinker, struct shrink_control *sc) sc->nr_to_scan - freed, I915_SHRINK_BOUND | I915_SHRINK_UNBOUND); - if (unlock) - mutex_unlock(&dev->struct_mutex); + + i915_gem_shrinker_unlock(dev, unlock); return freed; } @@ -364,8 +371,7 @@ i915_gem_shrinker_unlock_uninterruptible(struct drm_i915_private *dev_priv, struct shrinker_lock_uninterruptible *slu) { dev_priv->mm.interruptible = slu->was_interruptible; - if (slu->unlock) - mutex_unlock(&dev_priv->drm.struct_mutex); + i915_gem_shrinker_unlock(&dev_priv->drm, slu->unlock); } static int diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index ecb487b5356f..9bbbd4e83e3c 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -60,6 +60,7 @@ .has_overlay = 1, .overlay_needs_physical = 1, \ .has_gmch_display = 1, \ .hws_needs_physical = 1, \ + .unfenced_needs_alignment = 1, \ .ring_mask = RENDER_RING, \ GEN_DEFAULT_PIPEOFFSETS, \ CURSOR_OFFSETS @@ -101,6 +102,7 @@ static const struct intel_device_info intel_i915g_info = { .platform = INTEL_I915G, .cursor_needs_physical = 1, .has_overlay = 1, .overlay_needs_physical = 1, .hws_needs_physical = 1, + .unfenced_needs_alignment = 1, }; static const struct intel_device_info intel_i915gm_info = { @@ -112,6 +114,7 @@ static const struct intel_device_info intel_i915gm_info = { .supports_tv = 1, .has_fbc = 1, .hws_needs_physical = 1, + .unfenced_needs_alignment = 1, }; static const struct intel_device_info intel_i945g_info = { @@ -120,6 +123,7 @@ static const struct intel_device_info intel_i945g_info = { .has_hotplug = 1, .cursor_needs_physical = 1, .has_overlay = 1, .overlay_needs_physical = 1, .hws_needs_physical = 1, + .unfenced_needs_alignment = 1, }; static const struct intel_device_info intel_i945gm_info = { @@ -130,6 +134,7 @@ static const struct intel_device_info intel_i945gm_info = { .supports_tv = 1, .has_fbc = 1, .hws_needs_physical = 1, + .unfenced_needs_alignment = 1, }; static const struct intel_device_info intel_g33_info = { diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index a1b7eec58be2..70964ca9251e 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -1705,7 +1705,7 @@ i915_perf_open_ioctl_locked(struct drm_i915_private *dev_priv, */ if (WARN_ON(stream->sample_flags != props->sample_flags)) { ret = -ENODEV; - goto err_alloc; + goto err_flags; } list_add(&stream->link, &dev_priv->perf.streams); @@ -1728,6 +1728,7 @@ i915_perf_open_ioctl_locked(struct drm_i915_private *dev_priv, err_open: list_del(&stream->link); +err_flags: if (stream->ops->destroy) stream->ops->destroy(stream); err_alloc: @@ -1793,6 +1794,11 @@ static int read_properties_unlocked(struct drm_i915_private *dev_priv, if (ret) return ret; + if (id == 0 || id >= DRM_I915_PERF_PROP_MAX) { + DRM_DEBUG("Unknown i915 perf property ID\n"); + return -EINVAL; + } + switch ((enum drm_i915_perf_property_id)id) { case DRM_I915_PERF_PROP_CTX_HANDLE: props->single_context = 1; @@ -1862,9 +1868,8 @@ static int read_properties_unlocked(struct drm_i915_private *dev_priv, props->oa_periodic = true; props->oa_period_exponent = value; break; - default: + case DRM_I915_PERF_PROP_MAX: MISSING_CASE(id); - DRM_DEBUG("Unknown i915 perf property ID\n"); return -EINVAL; } diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 471af3b480ad..47517a02f0a4 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -670,15 +670,14 @@ static void execlists_submit_request(struct drm_i915_gem_request *request) static struct intel_engine_cs * pt_lock_engine(struct i915_priotree *pt, struct intel_engine_cs *locked) { - struct intel_engine_cs *engine; + struct intel_engine_cs *engine = + container_of(pt, struct drm_i915_gem_request, priotree)->engine; + + GEM_BUG_ON(!locked); - engine = container_of(pt, - struct drm_i915_gem_request, - priotree)->engine; if (engine != locked) { - if (locked) - spin_unlock_irq(&locked->timeline->lock); - spin_lock_irq(&engine->timeline->lock); + spin_unlock(&locked->timeline->lock); + spin_lock(&engine->timeline->lock); } return engine; @@ -686,7 +685,7 @@ pt_lock_engine(struct i915_priotree *pt, struct intel_engine_cs *locked) static void execlists_schedule(struct drm_i915_gem_request *request, int prio) { - struct intel_engine_cs *engine = NULL; + struct intel_engine_cs *engine; struct i915_dependency *dep, *p; struct i915_dependency stack; LIST_HEAD(dfs); @@ -720,26 +719,23 @@ static void execlists_schedule(struct drm_i915_gem_request *request, int prio) list_for_each_entry_safe(dep, p, &dfs, dfs_link) { struct i915_priotree *pt = dep->signaler; - list_for_each_entry(p, &pt->signalers_list, signal_link) + /* Within an engine, there can be no cycle, but we may + * refer to the same dependency chain multiple times + * (redundant dependencies are not eliminated) and across + * engines. + */ + list_for_each_entry(p, &pt->signalers_list, signal_link) { + GEM_BUG_ON(p->signaler->priority < pt->priority); if (prio > READ_ONCE(p->signaler->priority)) list_move_tail(&p->dfs_link, &dfs); + } list_safe_reset_next(dep, p, dfs_link); - if (!RB_EMPTY_NODE(&pt->node)) - continue; - - engine = pt_lock_engine(pt, engine); - - /* If it is not already in the rbtree, we can update the - * priority inplace and skip over it (and its dependencies) - * if it is referenced *again* as we descend the dfs. - */ - if (prio > pt->priority && RB_EMPTY_NODE(&pt->node)) { - pt->priority = prio; - list_del_init(&dep->dfs_link); - } } + engine = request->engine; + spin_lock_irq(&engine->timeline->lock); + /* Fifo and depth-first replacement ensure our deps execute before us */ list_for_each_entry_safe_reverse(dep, p, &dfs, dfs_link) { struct i915_priotree *pt = dep->signaler; @@ -751,16 +747,15 @@ static void execlists_schedule(struct drm_i915_gem_request *request, int prio) if (prio <= pt->priority) continue; - GEM_BUG_ON(RB_EMPTY_NODE(&pt->node)); - pt->priority = prio; - rb_erase(&pt->node, &engine->execlist_queue); - if (insert_request(pt, &engine->execlist_queue)) - engine->execlist_first = &pt->node; + if (!RB_EMPTY_NODE(&pt->node)) { + rb_erase(&pt->node, &engine->execlist_queue); + if (insert_request(pt, &engine->execlist_queue)) + engine->execlist_first = &pt->node; + } } - if (engine) - spin_unlock_irq(&engine->timeline->lock); + spin_unlock_irq(&engine->timeline->lock); /* XXX Do we need to preempt to make room for us and our deps? */ } @@ -1440,7 +1435,9 @@ static void reset_common_ring(struct intel_engine_cs *engine, GEM_BUG_ON(request->ctx != port[0].request->ctx); /* Reset WaIdleLiteRestore:bdw,skl as well */ - request->tail = request->wa_tail - WA_TAIL_DWORDS * sizeof(u32); + request->tail = + intel_ring_wrap(request->ring, + request->wa_tail - WA_TAIL_DWORDS*sizeof(u32)); } static int intel_logical_ring_emit_pdps(struct drm_i915_gem_request *req) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index 13dccb18cd43..8cb2078c5bfc 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -521,11 +521,17 @@ static inline void intel_ring_advance(struct intel_ring *ring) */ } +static inline u32 +intel_ring_wrap(const struct intel_ring *ring, u32 pos) +{ + return pos & (ring->size - 1); +} + static inline u32 intel_ring_offset(struct intel_ring *ring, void *addr) { /* Don't write ring->size (equivalent to 0) as that hangs some GPUs. */ u32 offset = addr - ring->vaddr; - return offset & (ring->size - 1); + return intel_ring_wrap(ring, offset); } int __intel_ring_space(int head, int tail, int size); diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 0b4440ffbeae..a9182d5e6011 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -995,7 +995,6 @@ nv50_wndw_atomic_destroy_state(struct drm_plane *plane, { struct nv50_wndw_atom *asyw = nv50_wndw_atom(state); __drm_atomic_helper_plane_destroy_state(&asyw->state); - dma_fence_put(asyw->state.fence); kfree(asyw); } @@ -1007,7 +1006,6 @@ nv50_wndw_atomic_duplicate_state(struct drm_plane *plane) if (!(asyw = kmalloc(sizeof(*asyw), GFP_KERNEL))) return NULL; __drm_atomic_helper_plane_duplicate_state(plane, &asyw->state); - asyw->state.fence = NULL; asyw->interval = 1; asyw->sema = armw->sema; asyw->ntfy = armw->ntfy; @@ -2036,6 +2034,7 @@ nv50_head_atomic_check_mode(struct nv50_head *head, struct nv50_head_atom *asyh) u32 vbackp = (mode->vtotal - mode->vsync_end) * vscan / ilace; u32 hfrontp = mode->hsync_start - mode->hdisplay; u32 vfrontp = (mode->vsync_start - mode->vdisplay) * vscan / ilace; + u32 blankus; struct nv50_head_mode *m = &asyh->mode; m->h.active = mode->htotal; @@ -2049,9 +2048,10 @@ nv50_head_atomic_check_mode(struct nv50_head *head, struct nv50_head_atom *asyh) m->v.blanks = m->v.active - vfrontp - 1; /*XXX: Safe underestimate, even "0" works */ - m->v.blankus = (m->v.active - mode->vdisplay - 2) * m->h.active; - m->v.blankus *= 1000; - m->v.blankus /= mode->clock; + blankus = (m->v.active - mode->vdisplay - 2) * m->h.active; + blankus *= 1000; + blankus /= mode->clock; + m->v.blankus = blankus; if (mode->flags & DRM_MODE_FLAG_INTERLACE) { m->v.blank2e = m->v.active + m->v.synce + vbackp; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c index 273562dd6bbd..3b86a7399567 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c @@ -714,7 +714,7 @@ nv4a_chipset = { .i2c = nv04_i2c_new, .imem = nv40_instmem_new, .mc = nv44_mc_new, - .mmu = nv44_mmu_new, + .mmu = nv04_mmu_new, .pci = nv40_pci_new, .therm = nv40_therm_new, .timer = nv41_timer_new, @@ -2271,6 +2271,35 @@ nv136_chipset = { .fifo = gp100_fifo_new, }; +static const struct nvkm_device_chip +nv137_chipset = { + .name = "GP107", + .bar = gf100_bar_new, + .bios = nvkm_bios_new, + .bus = gf100_bus_new, + .devinit = gm200_devinit_new, + .fb = gp102_fb_new, + .fuse = gm107_fuse_new, + .gpio = gk104_gpio_new, + .i2c = gm200_i2c_new, + .ibus = gm200_ibus_new, + .imem = nv50_instmem_new, + .ltc = gp100_ltc_new, + .mc = gp100_mc_new, + .mmu = gf100_mmu_new, + .pci = gp100_pci_new, + .pmu = gp102_pmu_new, + .timer = gk20a_timer_new, + .top = gk104_top_new, + .ce[0] = gp102_ce_new, + .ce[1] = gp102_ce_new, + .ce[2] = gp102_ce_new, + .ce[3] = gp102_ce_new, + .disp = gp102_disp_new, + .dma = gf119_dma_new, + .fifo = gp100_fifo_new, +}; + static int nvkm_device_event_ctor(struct nvkm_object *object, void *data, u32 size, struct nvkm_notify *notify) @@ -2708,6 +2737,7 @@ nvkm_device_ctor(const struct nvkm_device_func *func, case 0x132: device->chip = &nv132_chipset; break; case 0x134: device->chip = &nv134_chipset; break; case 0x136: device->chip = &nv136_chipset; break; + case 0x137: device->chip = &nv137_chipset; break; default: nvdev_error(device, "unknown chipset (%08x)\n", boot0); goto done; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.c b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.c index 003ac915eaad..8a8895246d26 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.c @@ -198,7 +198,7 @@ nv31_mpeg_intr(struct nvkm_engine *engine) } if (type == 0x00000010) { - if (!nv31_mpeg_mthd(mpeg, mthd, data)) + if (nv31_mpeg_mthd(mpeg, mthd, data)) show &= ~0x01000000; } } diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c index e536f37e24b0..c3cf02ed468e 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c @@ -172,7 +172,7 @@ nv44_mpeg_intr(struct nvkm_engine *engine) } if (type == 0x00000010) { - if (!nv44_mpeg_mthd(subdev->device, mthd, data)) + if (nv44_mpeg_mthd(subdev->device, mthd, data)) show &= ~0x01000000; } } diff --git a/drivers/gpu/drm/udl/udl_transfer.c b/drivers/gpu/drm/udl/udl_transfer.c index 917dcb978c2c..0c87b1ac6b68 100644 --- a/drivers/gpu/drm/udl/udl_transfer.c +++ b/drivers/gpu/drm/udl/udl_transfer.c @@ -14,6 +14,7 @@ #include <linux/slab.h> #include <linux/fb.h> #include <linux/prefetch.h> +#include <asm/unaligned.h> #include <drm/drmP.h> #include "udl_drv.h" @@ -163,7 +164,7 @@ static void udl_compress_hline16( const u8 *const start = pixel; const uint16_t repeating_pixel_val16 = pixel_val16; - *(uint16_t *)cmd = cpu_to_be16(pixel_val16); + put_unaligned_be16(pixel_val16, cmd); cmd += 2; pixel += bpp; diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 63ec1993eaaa..d162f0dc76e3 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -819,8 +819,7 @@ static int hid_scan_report(struct hid_device *hid) hid->group = HID_GROUP_WACOM; break; case USB_VENDOR_ID_SYNAPTICS: - if (hid->group == HID_GROUP_GENERIC || - hid->group == HID_GROUP_MULTITOUCH_WIN_8) + if (hid->group == HID_GROUP_GENERIC) if ((parser->scan_flags & HID_SCAN_FLAG_VENDOR_SPECIFIC) && (parser->scan_flags & HID_SCAN_FLAG_GD_POINTER)) /* @@ -2096,6 +2095,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_45) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3) }, { HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_GP0610) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UGEE, USB_DEVICE_ID_UGEE_TABLET_EX07S) }, { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) }, { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) }, { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) }, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 4e2648c86c8c..b26c030926c1 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -1028,6 +1028,9 @@ #define USB_DEVICE_ID_UGEE_TABLET_45 0x0045 #define USB_DEVICE_ID_YIYNOVA_TABLET 0x004d +#define USB_VENDOR_ID_UGEE 0x28bd +#define USB_DEVICE_ID_UGEE_TABLET_EX07S 0x0071 + #define USB_VENDOR_ID_UNITEC 0x227d #define USB_DEVICE_ID_UNITEC_USB_TOUCH_0709 0x0709 #define USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19 0x0a19 diff --git a/drivers/hid/hid-uclogic.c b/drivers/hid/hid-uclogic.c index 1509d7287ff3..e3e6e5c893cc 100644 --- a/drivers/hid/hid-uclogic.c +++ b/drivers/hid/hid-uclogic.c @@ -977,6 +977,7 @@ static int uclogic_probe(struct hid_device *hdev, } break; case USB_DEVICE_ID_UGTIZER_TABLET_GP0610: + case USB_DEVICE_ID_UGEE_TABLET_EX07S: /* If this is the pen interface */ if (intf->cur_altsetting->desc.bInterfaceNumber == 1) { rc = uclogic_tablet_enable(hdev); @@ -1069,6 +1070,7 @@ static const struct hid_device_id uclogic_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_45) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3) }, { HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_GP0610) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UGEE, USB_DEVICE_ID_UGEE_TABLET_EX07S) }, { } }; MODULE_DEVICE_TABLE(hid, uclogic_devices); diff --git a/drivers/iio/accel/hid-sensor-accel-3d.c b/drivers/iio/accel/hid-sensor-accel-3d.c index ca5759c0c318..43a6cb078193 100644 --- a/drivers/iio/accel/hid-sensor-accel-3d.c +++ b/drivers/iio/accel/hid-sensor-accel-3d.c @@ -370,10 +370,12 @@ static int hid_accel_3d_probe(struct platform_device *pdev) name = "accel_3d"; channel_spec = accel_3d_channels; channel_size = sizeof(accel_3d_channels); + indio_dev->num_channels = ARRAY_SIZE(accel_3d_channels); } else { name = "gravity"; channel_spec = gravity_channels; channel_size = sizeof(gravity_channels); + indio_dev->num_channels = ARRAY_SIZE(gravity_channels); } ret = hid_sensor_parse_common_attributes(hsdev, hsdev->usage, &accel_state->common_attributes); @@ -395,7 +397,6 @@ static int hid_accel_3d_probe(struct platform_device *pdev) goto error_free_dev_mem; } - indio_dev->num_channels = ARRAY_SIZE(accel_3d_channels); indio_dev->dev.parent = &pdev->dev; indio_dev->info = &accel_3d_info; indio_dev->name = name; diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c index d6c372bb433b..c17596f7ed2c 100644 --- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c @@ -61,7 +61,7 @@ static int cros_ec_sensors_read(struct iio_dev *indio_dev, ret = st->core.read_ec_sensors_data(indio_dev, 1 << idx, &data); if (ret < 0) break; - + ret = IIO_VAL_INT; *val = data; break; case IIO_CHAN_INFO_CALIBBIAS: @@ -76,7 +76,7 @@ static int cros_ec_sensors_read(struct iio_dev *indio_dev, for (i = CROS_EC_SENSOR_X; i < CROS_EC_SENSOR_MAX_AXIS; i++) st->core.calib[i] = st->core.resp->sensor_offset.offset[i]; - + ret = IIO_VAL_INT; *val = st->core.calib[idx]; break; case IIO_CHAN_INFO_SCALE: diff --git a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c index 7afdac42ed42..01e02b9926d4 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c @@ -379,6 +379,8 @@ int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev, { struct hid_sensor_hub_attribute_info timestamp; + s32 value; + int ret; hid_sensor_get_reporting_interval(hsdev, usage_id, st); @@ -417,6 +419,14 @@ int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev, st->sensitivity.index, st->sensitivity.report_id, timestamp.index, timestamp.report_id); + ret = sensor_hub_get_feature(hsdev, + st->power_state.report_id, + st->power_state.index, sizeof(value), &value); + if (ret < 0) + return ret; + if (value < 0) + return -EINVAL; + return 0; } EXPORT_SYMBOL(hid_sensor_parse_common_attributes); diff --git a/drivers/iio/gyro/bmg160_core.c b/drivers/iio/gyro/bmg160_core.c index f7fcfa886f72..821919dd245b 100644 --- a/drivers/iio/gyro/bmg160_core.c +++ b/drivers/iio/gyro/bmg160_core.c @@ -27,6 +27,7 @@ #include <linux/iio/trigger_consumer.h> #include <linux/iio/triggered_buffer.h> #include <linux/regmap.h> +#include <linux/delay.h> #include "bmg160.h" #define BMG160_IRQ_NAME "bmg160_event" @@ -52,6 +53,9 @@ #define BMG160_DEF_BW 100 #define BMG160_REG_PMU_BW_RES BIT(7) +#define BMG160_GYRO_REG_RESET 0x14 +#define BMG160_GYRO_RESET_VAL 0xb6 + #define BMG160_REG_INT_MAP_0 0x17 #define BMG160_INT_MAP_0_BIT_ANY BIT(1) @@ -236,6 +240,14 @@ static int bmg160_chip_init(struct bmg160_data *data) int ret; unsigned int val; + /* + * Reset chip to get it in a known good state. A delay of 30ms after + * reset is required according to the datasheet. + */ + regmap_write(data->regmap, BMG160_GYRO_REG_RESET, + BMG160_GYRO_RESET_VAL); + usleep_range(30000, 30700); + ret = regmap_read(data->regmap, BMG160_REG_CHIP_ID, &val); if (ret < 0) { dev_err(dev, "Error reading reg_chip_id\n"); diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index d18ded45bedd..3ff91e02fee3 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -610,10 +610,9 @@ static ssize_t __iio_format_value(char *buf, size_t len, unsigned int type, tmp0 = (int)div_s64_rem(tmp, 1000000000, &tmp1); return snprintf(buf, len, "%d.%09u", tmp0, abs(tmp1)); case IIO_VAL_FRACTIONAL_LOG2: - tmp = (s64)vals[0] * 1000000000LL >> vals[1]; - tmp1 = do_div(tmp, 1000000000LL); - tmp0 = tmp; - return snprintf(buf, len, "%d.%09u", tmp0, tmp1); + tmp = shift_right((s64)vals[0] * 1000000000LL, vals[1]); + tmp0 = (int)div_s64_rem(tmp, 1000000000LL, &tmp1); + return snprintf(buf, len, "%d.%09u", tmp0, abs(tmp1)); case IIO_VAL_INT_MULTIPLE: { int i; diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c index 5f2680855552..fd0edca0e656 100644 --- a/drivers/iio/pressure/st_pressure_core.c +++ b/drivers/iio/pressure/st_pressure_core.c @@ -457,6 +457,7 @@ static const struct st_sensor_settings st_press_sensors_settings[] = { .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, }, .multi_read_bit = true, + .bootime = 2, }, }; diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index 0f58f46dbad7..329d08c884f6 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -88,7 +88,7 @@ static inline bool ib_nl_is_good_ip_resp(const struct nlmsghdr *nlh) return false; ret = nla_parse(tb, LS_NLA_TYPE_MAX - 1, nlmsg_data(nlh), - nlmsg_len(nlh), ib_nl_addr_policy); + nlmsg_len(nlh), ib_nl_addr_policy, NULL); if (ret) return false; diff --git a/drivers/infiniband/core/iwpm_util.c b/drivers/infiniband/core/iwpm_util.c index 3ef51a96bbf1..f13870e69ccd 100644 --- a/drivers/infiniband/core/iwpm_util.c +++ b/drivers/infiniband/core/iwpm_util.c @@ -472,12 +472,14 @@ int iwpm_parse_nlmsg(struct netlink_callback *cb, int policy_max, int ret; const char *err_str = ""; - ret = nlmsg_validate(cb->nlh, nlh_len, policy_max-1, nlmsg_policy); + ret = nlmsg_validate(cb->nlh, nlh_len, policy_max - 1, nlmsg_policy, + NULL); if (ret) { err_str = "Invalid attribute"; goto parse_nlmsg_error; } - ret = nlmsg_parse(cb->nlh, nlh_len, nltb, policy_max-1, nlmsg_policy); + ret = nlmsg_parse(cb->nlh, nlh_len, nltb, policy_max - 1, + nlmsg_policy, NULL); if (ret) { err_str = "Unable to parse the nlmsg"; goto parse_nlmsg_error; diff --git a/drivers/infiniband/core/netlink.c b/drivers/infiniband/core/netlink.c index 10469b0088b5..b784055423c8 100644 --- a/drivers/infiniband/core/netlink.c +++ b/drivers/infiniband/core/netlink.c @@ -146,7 +146,8 @@ nla_put_failure: } EXPORT_SYMBOL(ibnl_put_attr); -static int ibnl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) +static int ibnl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, + struct netlink_ext_ack *extack) { struct ibnl_client *client; int type = nlh->nlmsg_type; @@ -209,7 +210,7 @@ static void ibnl_rcv_reply_skb(struct sk_buff *skb) if (nlh->nlmsg_flags & NLM_F_REQUEST) return; - ibnl_rcv_msg(skb, nlh); + ibnl_rcv_msg(skb, nlh, NULL); msglen = NLMSG_ALIGN(nlh->nlmsg_len); if (msglen > skb->len) diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index 81b742ca1639..ceae153997d0 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -808,7 +808,7 @@ int ib_nl_handle_set_timeout(struct sk_buff *skb, return -EPERM; ret = nla_parse(tb, LS_NLA_TYPE_MAX - 1, nlmsg_data(nlh), - nlmsg_len(nlh), ib_nl_policy); + nlmsg_len(nlh), ib_nl_policy, NULL); attr = (const struct nlattr *)tb[LS_NLA_TYPE_TIMEOUT]; if (ret || !attr) goto settimeout_out; @@ -860,7 +860,7 @@ static inline int ib_nl_is_good_resolve_resp(const struct nlmsghdr *nlh) return 0; ret = nla_parse(tb, LS_NLA_TYPE_MAX - 1, nlmsg_data(nlh), - nlmsg_len(nlh), ib_nl_policy); + nlmsg_len(nlh), ib_nl_policy, NULL); if (ret) return 0; diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 3cd064b5f0bf..ce8ba617d46e 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -729,16 +729,6 @@ static inline struct mlx5_ib_mw *to_mmw(struct ib_mw *ibmw) return container_of(ibmw, struct mlx5_ib_mw, ibmw); } -struct mlx5_ib_ah { - struct ib_ah ibah; - struct mlx5_av av; -}; - -static inline struct mlx5_ib_ah *to_mah(struct ib_ah *ibah) -{ - return container_of(ibah, struct mlx5_ib_ah, ibah); -} - int mlx5_ib_db_map_user(struct mlx5_ib_ucontext *context, unsigned long virt, struct mlx5_db *db); void mlx5_ib_db_unmap_user(struct mlx5_ib_ucontext *context, struct mlx5_db *db); diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index ad8a2638e339..ed6320186f89 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -897,6 +897,7 @@ static int create_kernel_qp(struct mlx5_ib_dev *dev, if (init_attr->create_flags & ~(IB_QP_CREATE_SIGNATURE_EN | IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK | IB_QP_CREATE_IPOIB_UD_LSO | + IB_QP_CREATE_NETIF_QP | mlx5_ib_create_qp_sqpn_qp1())) return -EINVAL; diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index 91cbe86b25c8..fcbed35e95a8 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -817,6 +817,7 @@ isert_post_recvm(struct isert_conn *isert_conn, u32 count) rx_wr->sg_list = &rx_desc->rx_sg; rx_wr->num_sge = 1; rx_wr->next = rx_wr + 1; + rx_desc->in_use = false; } rx_wr--; rx_wr->next = NULL; /* mark end of work requests list */ @@ -835,6 +836,15 @@ isert_post_recv(struct isert_conn *isert_conn, struct iser_rx_desc *rx_desc) struct ib_recv_wr *rx_wr_failed, rx_wr; int ret; + if (!rx_desc->in_use) { + /* + * if the descriptor is not in-use we already reposted it + * for recv, so just silently return + */ + return 0; + } + + rx_desc->in_use = false; rx_wr.wr_cqe = &rx_desc->rx_cqe; rx_wr.sg_list = &rx_desc->rx_sg; rx_wr.num_sge = 1; @@ -1397,6 +1407,8 @@ isert_recv_done(struct ib_cq *cq, struct ib_wc *wc) return; } + rx_desc->in_use = true; + ib_dma_sync_single_for_cpu(ib_dev, rx_desc->dma_addr, ISER_RX_PAYLOAD_SIZE, DMA_FROM_DEVICE); @@ -1659,10 +1671,23 @@ isert_rdma_write_done(struct ib_cq *cq, struct ib_wc *wc) ret = isert_check_pi_status(cmd, isert_cmd->rw.sig->sig_mr); isert_rdma_rw_ctx_destroy(isert_cmd, isert_conn); - if (ret) - transport_send_check_condition_and_sense(cmd, cmd->pi_err, 0); - else - isert_put_response(isert_conn->conn, isert_cmd->iscsi_cmd); + if (ret) { + /* + * transport_generic_request_failure() expects to have + * plus two references to handle queue-full, so re-add + * one here as target-core will have already dropped + * it after the first isert_put_datain() callback. + */ + kref_get(&cmd->cmd_kref); + transport_generic_request_failure(cmd, cmd->pi_err); + } else { + /* + * XXX: isert_put_response() failure is not retried. + */ + ret = isert_put_response(isert_conn->conn, isert_cmd->iscsi_cmd); + if (ret) + pr_warn_ratelimited("isert_put_response() ret: %d\n", ret); + } } static void @@ -1699,13 +1724,15 @@ isert_rdma_read_done(struct ib_cq *cq, struct ib_wc *wc) cmd->i_state = ISTATE_RECEIVED_LAST_DATAOUT; spin_unlock_bh(&cmd->istate_lock); - if (ret) { - target_put_sess_cmd(se_cmd); - transport_send_check_condition_and_sense(se_cmd, - se_cmd->pi_err, 0); - } else { + /* + * transport_generic_request_failure() will drop the extra + * se_cmd->cmd_kref reference after T10-PI error, and handle + * any non-zero ->queue_status() callback error retries. + */ + if (ret) + transport_generic_request_failure(se_cmd, se_cmd->pi_err); + else target_execute_cmd(se_cmd); - } } static void @@ -2171,26 +2198,28 @@ isert_put_datain(struct iscsi_conn *conn, struct iscsi_cmd *cmd) chain_wr = &isert_cmd->tx_desc.send_wr; } - isert_rdma_rw_ctx_post(isert_cmd, isert_conn, cqe, chain_wr); - isert_dbg("Cmd: %p posted RDMA_WRITE for iSER Data READ\n", isert_cmd); - return 1; + rc = isert_rdma_rw_ctx_post(isert_cmd, isert_conn, cqe, chain_wr); + isert_dbg("Cmd: %p posted RDMA_WRITE for iSER Data READ rc: %d\n", + isert_cmd, rc); + return rc; } static int isert_get_dataout(struct iscsi_conn *conn, struct iscsi_cmd *cmd, bool recovery) { struct isert_cmd *isert_cmd = iscsit_priv_cmd(cmd); + int ret; isert_dbg("Cmd: %p RDMA_READ data_length: %u write_data_done: %u\n", isert_cmd, cmd->se_cmd.data_length, cmd->write_data_done); isert_cmd->tx_desc.tx_cqe.done = isert_rdma_read_done; - isert_rdma_rw_ctx_post(isert_cmd, conn->context, - &isert_cmd->tx_desc.tx_cqe, NULL); + ret = isert_rdma_rw_ctx_post(isert_cmd, conn->context, + &isert_cmd->tx_desc.tx_cqe, NULL); - isert_dbg("Cmd: %p posted RDMA_READ memory for ISER Data WRITE\n", - isert_cmd); - return 0; + isert_dbg("Cmd: %p posted RDMA_READ memory for ISER Data WRITE rc: %d\n", + isert_cmd, ret); + return ret; } static int diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h index c02ada57d7f5..87d994de8c91 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.h +++ b/drivers/infiniband/ulp/isert/ib_isert.h @@ -60,7 +60,7 @@ #define ISER_RX_PAD_SIZE (ISCSI_DEF_MAX_RECV_SEG_LEN + 4096 - \ (ISER_RX_PAYLOAD_SIZE + sizeof(u64) + sizeof(struct ib_sge) + \ - sizeof(struct ib_cqe))) + sizeof(struct ib_cqe) + sizeof(bool))) #define ISCSI_ISER_SG_TABLESIZE 256 @@ -85,6 +85,7 @@ struct iser_rx_desc { u64 dma_addr; struct ib_sge rx_sg; struct ib_cqe rx_cqe; + bool in_use; char pad[ISER_RX_PAD_SIZE]; } __packed; diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index 155fcb3b6230..153b1ee13e03 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -202,6 +202,7 @@ static const struct xpad_device { { 0x1430, 0x8888, "TX6500+ Dance Pad (first generation)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, { 0x146b, 0x0601, "BigBen Interactive XBOX 360 Controller", 0, XTYPE_XBOX360 }, { 0x1532, 0x0037, "Razer Sabertooth", 0, XTYPE_XBOX360 }, + { 0x1532, 0x0a03, "Razer Wildcat", 0, XTYPE_XBOXONE }, { 0x15e4, 0x3f00, "Power A Mini Pro Elite", 0, XTYPE_XBOX360 }, { 0x15e4, 0x3f0a, "Xbox Airflo wired controller", 0, XTYPE_XBOX360 }, { 0x15e4, 0x3f10, "Batarang Xbox 360 controller", 0, XTYPE_XBOX360 }, @@ -326,6 +327,7 @@ static struct usb_device_id xpad_table[] = { XPAD_XBOX360_VENDOR(0x1430), /* RedOctane X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x146b), /* BigBen Interactive Controllers */ XPAD_XBOX360_VENDOR(0x1532), /* Razer Sabertooth */ + XPAD_XBOXONE_VENDOR(0x1532), /* Razer Wildcat */ XPAD_XBOX360_VENDOR(0x15e4), /* Numark X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x162e), /* Joytech X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x1689), /* Razer Onza */ diff --git a/drivers/irqchip/irq-imx-gpcv2.c b/drivers/irqchip/irq-imx-gpcv2.c index 15af9a9753e5..2d203b422129 100644 --- a/drivers/irqchip/irq-imx-gpcv2.c +++ b/drivers/irqchip/irq-imx-gpcv2.c @@ -230,6 +230,8 @@ static int __init imx_gpcv2_irqchip_init(struct device_node *node, return -ENOMEM; } + raw_spin_lock_init(&cd->rlock); + cd->gpc_base = of_iomap(node, 0); if (!cd->gpc_base) { pr_err("fsl-gpcv2: unable to map gpc registers\n"); diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c index e4c2c1a1e993..6735c8d6a445 100644 --- a/drivers/md/dm-cache-metadata.c +++ b/drivers/md/dm-cache-metadata.c @@ -932,7 +932,7 @@ static int blocks_are_clean_separate_dirty(struct dm_cache_metadata *cmd, *result = true; r = dm_bitset_cursor_begin(&cmd->dirty_info, cmd->dirty_root, - from_cblock(begin), &cmd->dirty_cursor); + from_cblock(cmd->cache_blocks), &cmd->dirty_cursor); if (r) { DMERR("%s: dm_bitset_cursor_begin for dirty failed", __func__); return r; @@ -959,14 +959,16 @@ static int blocks_are_clean_separate_dirty(struct dm_cache_metadata *cmd, return 0; } + begin = to_cblock(from_cblock(begin) + 1); + if (begin == end) + break; + r = dm_bitset_cursor_next(&cmd->dirty_cursor); if (r) { DMERR("%s: dm_bitset_cursor_next for dirty failed", __func__); dm_bitset_cursor_end(&cmd->dirty_cursor); return r; } - - begin = to_cblock(from_cblock(begin) + 1); } dm_bitset_cursor_end(&cmd->dirty_cursor); diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index f8564d63982f..1e217ba84d09 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -3726,7 +3726,7 @@ static int raid_preresume(struct dm_target *ti) return r; /* Resize bitmap to adjust to changed region size (aka MD bitmap chunksize) */ - if (test_bit(RT_FLAG_RS_BITMAP_LOADED, &rs->runtime_flags) && + if (test_bit(RT_FLAG_RS_BITMAP_LOADED, &rs->runtime_flags) && mddev->bitmap && mddev->bitmap_info.chunksize != to_bytes(rs->requested_bitmap_chunk_sectors)) { r = bitmap_resize(mddev->bitmap, mddev->dev_sectors, to_bytes(rs->requested_bitmap_chunk_sectors), 0); diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c index 28955b94d2b2..0b081d170087 100644 --- a/drivers/md/dm-rq.c +++ b/drivers/md/dm-rq.c @@ -755,6 +755,7 @@ static int dm_mq_queue_rq(struct blk_mq_hw_ctx *hctx, /* Undo dm_start_request() before requeuing */ rq_end_stats(md, rq); rq_completed(md, rq_data_dir(rq), false); + blk_mq_delay_run_hw_queue(hctx, 100/*ms*/); return BLK_MQ_RQ_QUEUE_BUSY; } diff --git a/drivers/md/dm-verity-fec.c b/drivers/md/dm-verity-fec.c index 0f0eb8a3d922..78f36012eaca 100644 --- a/drivers/md/dm-verity-fec.c +++ b/drivers/md/dm-verity-fec.c @@ -146,8 +146,6 @@ static int fec_decode_bufs(struct dm_verity *v, struct dm_verity_fec_io *fio, block = fec_buffer_rs_block(v, fio, n, i); res = fec_decode_rs8(v, fio, block, &par[offset], neras); if (res < 0) { - dm_bufio_release(buf); - r = res; goto error; } @@ -172,6 +170,8 @@ static int fec_decode_bufs(struct dm_verity *v, struct dm_verity_fec_io *fio, done: r = corrected; error: + dm_bufio_release(buf); + if (r < 0 && neras) DMERR_LIMIT("%s: FEC %llu: failed to correct: %d", v->data_dev->name, (unsigned long long)rsb, r); @@ -269,7 +269,7 @@ static int fec_read_bufs(struct dm_verity *v, struct dm_verity_io *io, &is_zero) == 0) { /* skip known zero blocks entirely */ if (is_zero) - continue; + goto done; /* * skip if we have already found the theoretical @@ -439,6 +439,13 @@ int verity_fec_decode(struct dm_verity *v, struct dm_verity_io *io, if (!verity_fec_is_enabled(v)) return -EOPNOTSUPP; + if (fio->level >= DM_VERITY_FEC_MAX_RECURSION) { + DMWARN_LIMIT("%s: FEC: recursion too deep", v->data_dev->name); + return -EIO; + } + + fio->level++; + if (type == DM_VERITY_BLOCK_TYPE_METADATA) block += v->data_blocks; @@ -470,7 +477,7 @@ int verity_fec_decode(struct dm_verity *v, struct dm_verity_io *io, if (r < 0) { r = fec_decode_rsb(v, io, fio, rsb, offset, true); if (r < 0) - return r; + goto done; } if (dest) @@ -480,6 +487,8 @@ int verity_fec_decode(struct dm_verity *v, struct dm_verity_io *io, r = verity_for_bv_block(v, io, iter, fec_bv_copy); } +done: + fio->level--; return r; } @@ -520,6 +529,7 @@ void verity_fec_init_io(struct dm_verity_io *io) memset(fio->bufs, 0, sizeof(fio->bufs)); fio->nbufs = 0; fio->output = NULL; + fio->level = 0; } /* diff --git a/drivers/md/dm-verity-fec.h b/drivers/md/dm-verity-fec.h index 7fa0298b995e..bb31ce87a933 100644 --- a/drivers/md/dm-verity-fec.h +++ b/drivers/md/dm-verity-fec.h @@ -27,6 +27,9 @@ #define DM_VERITY_FEC_BUF_MAX \ (1 << (PAGE_SHIFT - DM_VERITY_FEC_BUF_RS_BITS)) +/* maximum recursion level for verity_fec_decode */ +#define DM_VERITY_FEC_MAX_RECURSION 4 + #define DM_VERITY_OPT_FEC_DEV "use_fec_from_device" #define DM_VERITY_OPT_FEC_BLOCKS "fec_blocks" #define DM_VERITY_OPT_FEC_START "fec_start" @@ -58,6 +61,7 @@ struct dm_verity_fec_io { unsigned nbufs; /* number of buffers allocated */ u8 *output; /* buffer for corrected output */ size_t output_pos; + unsigned level; /* recursion level */ }; #ifdef CONFIG_DM_VERITY_FEC diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index aba7352906a5..01e4a69af421 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -2064,6 +2064,7 @@ static int bond_miimon_inspect(struct bonding *bond) (bond->params.downdelay - slave->delay) * bond->params.miimon, slave->dev->name); + commit++; continue; } @@ -2098,7 +2099,7 @@ static int bond_miimon_inspect(struct bonding *bond) (bond->params.updelay - slave->delay) * bond->params.miimon, slave->dev->name); - + commit++; continue; } diff --git a/drivers/net/can/ifi_canfd/ifi_canfd.c b/drivers/net/can/ifi_canfd/ifi_canfd.c index 138f5ae75c0b..4d1fe8d95042 100644 --- a/drivers/net/can/ifi_canfd/ifi_canfd.c +++ b/drivers/net/can/ifi_canfd/ifi_canfd.c @@ -557,7 +557,7 @@ static int ifi_canfd_poll(struct napi_struct *napi, int quota) int work_done = 0; u32 stcmd = readl(priv->base + IFI_CANFD_STCMD); - u32 rxstcmd = readl(priv->base + IFI_CANFD_STCMD); + u32 rxstcmd = readl(priv->base + IFI_CANFD_RXSTCMD); u32 errctr = readl(priv->base + IFI_CANFD_ERROR_CTR); /* Handle bus state changes */ diff --git a/drivers/net/can/rcar/rcar_can.c b/drivers/net/can/rcar/rcar_can.c index caed4e6960f8..11662f479e76 100644 --- a/drivers/net/can/rcar/rcar_can.c +++ b/drivers/net/can/rcar/rcar_can.c @@ -826,8 +826,7 @@ static int rcar_can_probe(struct platform_device *pdev) devm_can_led_init(ndev); - dev_info(&pdev->dev, "device registered (regs @ %p, IRQ%d)\n", - priv->regs, ndev->irq); + dev_info(&pdev->dev, "device registered (IRQ%d)\n", ndev->irq); return 0; fail_candev: diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index afb0967d2ce6..aa7101953e64 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -2338,6 +2338,10 @@ int cxgb4_create_server_filter(const struct net_device *dev, unsigned int stid, f->locked = 1; f->fs.rpttid = 1; + /* Save the actual tid. We need this to get the corresponding + * filter entry structure in filter_rpl. + */ + f->tid = stid + adap->tids.ftid_base; ret = set_filter_wr(adap, stid); if (ret) { clear_filter(adap, f); diff --git a/drivers/net/ethernet/marvell/mvmdio.c b/drivers/net/ethernet/marvell/mvmdio.c index a0d1b084ecec..90a60b98c28e 100644 --- a/drivers/net/ethernet/marvell/mvmdio.c +++ b/drivers/net/ethernet/marvell/mvmdio.c @@ -53,7 +53,7 @@ struct orion_mdio_dev { struct mutex lock; void __iomem *regs; - struct clk *clk; + struct clk *clk[3]; /* * If we have access to the error interrupt pin (which is * somewhat misnamed as it not only reflects internal errors @@ -187,7 +187,7 @@ static int orion_mdio_probe(struct platform_device *pdev) struct resource *r; struct mii_bus *bus; struct orion_mdio_dev *dev; - int ret; + int i, ret; r = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!r) { @@ -216,11 +216,20 @@ static int orion_mdio_probe(struct platform_device *pdev) init_waitqueue_head(&dev->smi_busy_wait); - dev->clk = devm_clk_get(&pdev->dev, NULL); - if (!IS_ERR(dev->clk)) - clk_prepare_enable(dev->clk); + for (i = 0; i < ARRAY_SIZE(dev->clk); i++) { + dev->clk[i] = of_clk_get(pdev->dev.of_node, i); + if (IS_ERR(dev->clk[i])) + break; + clk_prepare_enable(dev->clk[i]); + } dev->err_interrupt = platform_get_irq(pdev, 0); + if (dev->err_interrupt > 0 && + resource_size(r) < MVMDIO_ERR_INT_MASK + 4) { + dev_err(&pdev->dev, + "disabling interrupt, resource size is too small\n"); + dev->err_interrupt = 0; + } if (dev->err_interrupt > 0) { ret = devm_request_irq(&pdev->dev, dev->err_interrupt, orion_mdio_err_irq, @@ -251,8 +260,16 @@ static int orion_mdio_probe(struct platform_device *pdev) return 0; out_mdio: - if (!IS_ERR(dev->clk)) - clk_disable_unprepare(dev->clk); + if (dev->err_interrupt > 0) + writel(0, dev->regs + MVMDIO_ERR_INT_MASK); + + for (i = 0; i < ARRAY_SIZE(dev->clk); i++) { + if (IS_ERR(dev->clk[i])) + break; + clk_disable_unprepare(dev->clk[i]); + clk_put(dev->clk[i]); + } + return ret; } @@ -260,11 +277,18 @@ static int orion_mdio_remove(struct platform_device *pdev) { struct mii_bus *bus = platform_get_drvdata(pdev); struct orion_mdio_dev *dev = bus->priv; + int i; - writel(0, dev->regs + MVMDIO_ERR_INT_MASK); + if (dev->err_interrupt > 0) + writel(0, dev->regs + MVMDIO_ERR_INT_MASK); mdiobus_unregister(bus); - if (!IS_ERR(dev->clk)) - clk_disable_unprepare(dev->clk); + + for (i = 0; i < ARRAY_SIZE(dev->clk); i++) { + if (IS_ERR(dev->clk[i])) + break; + clk_disable_unprepare(dev->clk[i]); + clk_put(dev->clk[i]); + } return 0; } diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 34a3686d2ce6..0992db47070f 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -3318,6 +3318,7 @@ static void mvneta_adjust_link(struct net_device *ndev) static int mvneta_mdio_probe(struct mvneta_port *pp) { struct phy_device *phy_dev; + struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL }; phy_dev = of_phy_connect(pp->dev, pp->phy_node, mvneta_adjust_link, 0, pp->phy_interface); @@ -3326,6 +3327,9 @@ static int mvneta_mdio_probe(struct mvneta_port *pp) return -ENODEV; } + phy_ethtool_get_wol(phy_dev, &wol); + device_set_wakeup_capable(&pp->dev->dev, !!wol.supported); + phy_dev->supported &= PHY_GBIT_FEATURES; phy_dev->advertising = phy_dev->supported; @@ -3942,10 +3946,16 @@ static void mvneta_ethtool_get_wol(struct net_device *dev, static int mvneta_ethtool_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) { + int ret; + if (!dev->phydev) return -EOPNOTSUPP; - return phy_ethtool_set_wol(dev->phydev, wol); + ret = phy_ethtool_set_wol(dev->phydev, wol); + if (!ret) + device_set_wakeup_enable(&dev->dev, !!wol->wolopts); + + return ret; } static const struct net_device_ops mvneta_netdev_ops = { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig index 117170014e88..a84b652f9b54 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig +++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig @@ -31,3 +31,10 @@ config MLX5_CORE_EN_DCB This flag is depended on the kernel's DCB support. If unsure, set to Y + +config MLX5_CORE_IPOIB + bool "Mellanox Technologies ConnectX-4 IPoIB offloads support" + depends on MLX5_CORE_EN + default y + ---help--- + MLX5 IPoIB offloads & acceleration support. diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile index 9f43beb86250..9e644615f07a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile +++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile @@ -11,3 +11,5 @@ mlx5_core-$(CONFIG_MLX5_CORE_EN) += wq.o eswitch.o eswitch_offloads.o \ en_tc.o en_arfs.o en_rep.o en_fs_ethtool.o en_selftest.o mlx5_core-$(CONFIG_MLX5_CORE_EN_DCB) += en_dcbnl.o + +mlx5_core-$(CONFIG_MLX5_CORE_IPOIB) += ipoib.o diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index b7feecfbb5a5..0881325fba04 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -37,6 +37,7 @@ #include <linux/timecounter.h> #include <linux/net_tstamp.h> #include <linux/ptp_clock_kernel.h> +#include <linux/crash_dump.h> #include <linux/mlx5/driver.h> #include <linux/mlx5/qp.h> #include <linux/mlx5/cq.h> @@ -153,6 +154,14 @@ static inline int mlx5_max_log_rq_size(int wq_type) } } +static inline int mlx5e_get_max_num_channels(struct mlx5_core_dev *mdev) +{ + return is_kdump_kernel() ? + MLX5E_MIN_NUM_CHANNELS : + min_t(int, mdev->priv.eq_table.num_comp_vectors, + MLX5E_MAX_NUM_CHANNELS); +} + struct mlx5e_tx_wqe { struct mlx5_wqe_ctrl_seg ctrl; struct mlx5_wqe_eth_seg eth; @@ -295,6 +304,7 @@ struct mlx5e_cq { } ____cacheline_aligned_in_smp; struct mlx5e_tx_wqe_info { + struct sk_buff *skb; u32 num_bytes; u8 num_wqebbs; u8 num_dma; @@ -336,7 +346,6 @@ struct mlx5e_txqsq { /* write@xmit, read@completion */ struct { - struct sk_buff **skb; struct mlx5e_sq_dma *dma_fifo; struct mlx5e_tx_wqe_info *wqe_info; } db; @@ -770,6 +779,10 @@ struct mlx5e_profile { void (*disable)(struct mlx5e_priv *priv); void (*update_stats)(struct mlx5e_priv *priv); int (*max_nch)(struct mlx5_core_dev *mdev); + struct { + mlx5e_fp_handle_rx_cqe handle_rx_cqe; + mlx5e_fp_handle_rx_cqe handle_rx_cqe_mpwqe; + } rx_handlers; int max_tc; }; @@ -874,6 +887,8 @@ typedef int (*mlx5e_fp_hw_modify)(struct mlx5e_priv *priv); void mlx5e_switch_priv_channels(struct mlx5e_priv *priv, struct mlx5e_channels *new_chs, mlx5e_fp_hw_modify hw_modify); +void mlx5e_activate_priv_channels(struct mlx5e_priv *priv); +void mlx5e_deactivate_priv_channels(struct mlx5e_priv *priv); void mlx5e_build_default_indir_rqt(struct mlx5_core_dev *mdev, u32 *indirection_rqt, int len, @@ -990,21 +1005,30 @@ int mlx5e_attr_get(struct net_device *dev, struct switchdev_attr *attr); void mlx5e_handle_rx_cqe_rep(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe); void mlx5e_update_hw_rep_counters(struct mlx5e_priv *priv); +/* common netdev helpers */ +int mlx5e_create_indirect_rqt(struct mlx5e_priv *priv); + +int mlx5e_create_indirect_tirs(struct mlx5e_priv *priv); +void mlx5e_destroy_indirect_tirs(struct mlx5e_priv *priv); + int mlx5e_create_direct_rqts(struct mlx5e_priv *priv); -void mlx5e_destroy_rqt(struct mlx5e_priv *priv, struct mlx5e_rqt *rqt); +void mlx5e_destroy_direct_rqts(struct mlx5e_priv *priv); int mlx5e_create_direct_tirs(struct mlx5e_priv *priv); void mlx5e_destroy_direct_tirs(struct mlx5e_priv *priv); +void mlx5e_destroy_rqt(struct mlx5e_priv *priv, struct mlx5e_rqt *rqt); + +int mlx5e_create_ttc_table(struct mlx5e_priv *priv, u32 underlay_qpn); +void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv); + +int mlx5e_create_tis(struct mlx5_core_dev *mdev, int tc, + u32 underlay_qpn, u32 *tisn); +void mlx5e_destroy_tis(struct mlx5_core_dev *mdev, u32 tisn); + int mlx5e_create_tises(struct mlx5e_priv *priv); void mlx5e_cleanup_nic_tx(struct mlx5e_priv *priv); int mlx5e_close(struct net_device *netdev); int mlx5e_open(struct net_device *netdev); void mlx5e_update_stats_work(struct work_struct *work); -struct net_device *mlx5e_create_netdev(struct mlx5_core_dev *mdev, - const struct mlx5e_profile *profile, - void *ppriv); -void mlx5e_destroy_netdev(struct mlx5_core_dev *mdev, struct mlx5e_priv *priv); -int mlx5e_attach_netdev(struct mlx5_core_dev *mdev, struct net_device *netdev); -void mlx5e_detach_netdev(struct mlx5_core_dev *mdev, struct net_device *netdev); u32 mlx5e_choose_lro_timeout(struct mlx5_core_dev *mdev, u32 wanted_timeout); int mlx5e_get_offload_stats(int attr_id, const struct net_device *dev, @@ -1012,5 +1036,16 @@ int mlx5e_get_offload_stats(int attr_id, const struct net_device *dev, bool mlx5e_has_offload_stats(const struct net_device *dev, int attr_id); bool mlx5e_is_uplink_rep(struct mlx5e_priv *priv); -bool mlx5e_is_vf_vport_rep(struct mlx5e_priv *priv); + +/* mlx5e generic netdev management API */ +struct net_device* +mlx5e_create_netdev(struct mlx5_core_dev *mdev, const struct mlx5e_profile *profile, + void *ppriv); +int mlx5e_attach_netdev(struct mlx5e_priv *priv); +void mlx5e_detach_netdev(struct mlx5e_priv *priv); +void mlx5e_destroy_netdev(struct mlx5e_priv *priv); +void mlx5e_build_nic_params(struct mlx5_core_dev *mdev, + struct mlx5e_params *params, + u16 max_channels); + #endif /* __MLX5_EN_H__ */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c index c4e9cc79f5c7..c8a005326e30 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c @@ -321,10 +321,16 @@ static int arfs_create_table(struct mlx5e_priv *priv, { struct mlx5e_arfs_tables *arfs = &priv->fs.arfs; struct mlx5e_flow_table *ft = &arfs->arfs_tables[type].ft; + struct mlx5_flow_table_attr ft_attr = {}; int err; - ft->t = mlx5_create_flow_table(priv->fs.ns, MLX5E_NIC_PRIO, - MLX5E_ARFS_TABLE_SIZE, MLX5E_ARFS_FT_LEVEL, 0); + ft->num_groups = 0; + + ft_attr.max_fte = MLX5E_ARFS_TABLE_SIZE; + ft_attr.level = MLX5E_ARFS_FT_LEVEL; + ft_attr.prio = MLX5E_NIC_PRIO; + + ft->t = mlx5_create_flow_table(priv->fs.ns, &ft_attr); if (IS_ERR(ft->t)) { err = PTR_ERR(ft->t); ft->t = NULL; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c index 5376d69a6b1a..576d6787b484 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c @@ -792,7 +792,7 @@ err: return err; } -static void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv) +void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv) { struct mlx5e_ttc_table *ttc = &priv->fs.ttc; @@ -800,14 +800,19 @@ static void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv) mlx5e_destroy_flow_table(&ttc->ft); } -static int mlx5e_create_ttc_table(struct mlx5e_priv *priv) +int mlx5e_create_ttc_table(struct mlx5e_priv *priv, u32 underlay_qpn) { struct mlx5e_ttc_table *ttc = &priv->fs.ttc; + struct mlx5_flow_table_attr ft_attr = {}; struct mlx5e_flow_table *ft = &ttc->ft; int err; - ft->t = mlx5_create_flow_table(priv->fs.ns, MLX5E_NIC_PRIO, - MLX5E_TTC_TABLE_SIZE, MLX5E_TTC_FT_LEVEL, 0); + ft_attr.max_fte = MLX5E_TTC_TABLE_SIZE; + ft_attr.level = MLX5E_TTC_FT_LEVEL; + ft_attr.prio = MLX5E_NIC_PRIO; + ft_attr.underlay_qpn = underlay_qpn; + + ft->t = mlx5_create_flow_table(priv->fs.ns, &ft_attr); if (IS_ERR(ft->t)) { err = PTR_ERR(ft->t); ft->t = NULL; @@ -973,12 +978,16 @@ static int mlx5e_create_l2_table(struct mlx5e_priv *priv) { struct mlx5e_l2_table *l2_table = &priv->fs.l2; struct mlx5e_flow_table *ft = &l2_table->ft; + struct mlx5_flow_table_attr ft_attr = {}; int err; ft->num_groups = 0; - ft->t = mlx5_create_flow_table(priv->fs.ns, MLX5E_NIC_PRIO, - MLX5E_L2_TABLE_SIZE, MLX5E_L2_FT_LEVEL, 0); + ft_attr.max_fte = MLX5E_L2_TABLE_SIZE; + ft_attr.level = MLX5E_L2_FT_LEVEL; + ft_attr.prio = MLX5E_NIC_PRIO; + + ft->t = mlx5_create_flow_table(priv->fs.ns, &ft_attr); if (IS_ERR(ft->t)) { err = PTR_ERR(ft->t); ft->t = NULL; @@ -1076,11 +1085,16 @@ static int mlx5e_create_vlan_table_groups(struct mlx5e_flow_table *ft) static int mlx5e_create_vlan_table(struct mlx5e_priv *priv) { struct mlx5e_flow_table *ft = &priv->fs.vlan.ft; + struct mlx5_flow_table_attr ft_attr = {}; int err; ft->num_groups = 0; - ft->t = mlx5_create_flow_table(priv->fs.ns, MLX5E_NIC_PRIO, - MLX5E_VLAN_TABLE_SIZE, MLX5E_VLAN_FT_LEVEL, 0); + + ft_attr.max_fte = MLX5E_VLAN_TABLE_SIZE; + ft_attr.level = MLX5E_VLAN_FT_LEVEL; + ft_attr.prio = MLX5E_NIC_PRIO; + + ft->t = mlx5_create_flow_table(priv->fs.ns, &ft_attr); if (IS_ERR(ft->t)) { err = PTR_ERR(ft->t); @@ -1133,7 +1147,7 @@ int mlx5e_create_flow_steering(struct mlx5e_priv *priv) priv->netdev->hw_features &= ~NETIF_F_NTUPLE; } - err = mlx5e_create_ttc_table(priv); + err = mlx5e_create_ttc_table(priv, 0); if (err) { netdev_err(priv->netdev, "Failed to create ttc table, err=%d\n", err); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 8b7b7e604ea0..061b20c73071 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -31,7 +31,6 @@ */ #include <net/tc_act/tc_gact.h> -#include <linux/crash_dump.h> #include <net/pkt_cls.h> #include <linux/mlx5/fs.h> #include <net/vxlan.h> @@ -586,15 +585,17 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c, switch (rq->wq_type) { case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: - if (mlx5e_is_vf_vport_rep(c->priv)) { - err = -EINVAL; - goto err_rq_wq_destroy; - } - rq->handle_rx_cqe = mlx5e_handle_rx_cqe_mpwrq; rq->alloc_wqe = mlx5e_alloc_rx_mpwqe; rq->dealloc_wqe = mlx5e_dealloc_rx_mpwqe; + rq->handle_rx_cqe = c->priv->profile->rx_handlers.handle_rx_cqe_mpwqe; + if (!rq->handle_rx_cqe) { + err = -EINVAL; + netdev_err(c->netdev, "RX handler of MPWQE RQ is not set, err %d\n", err); + goto err_rq_wq_destroy; + } + rq->mpwqe_stride_sz = BIT(params->mpwqe_log_stride_sz); rq->mpwqe_num_strides = BIT(params->mpwqe_log_num_strides); @@ -617,15 +618,17 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c, err = -ENOMEM; goto err_rq_wq_destroy; } - - if (mlx5e_is_vf_vport_rep(c->priv)) - rq->handle_rx_cqe = mlx5e_handle_rx_cqe_rep; - else - rq->handle_rx_cqe = mlx5e_handle_rx_cqe; - rq->alloc_wqe = mlx5e_alloc_rx_wqe; rq->dealloc_wqe = mlx5e_dealloc_rx_wqe; + rq->handle_rx_cqe = c->priv->profile->rx_handlers.handle_rx_cqe; + if (!rq->handle_rx_cqe) { + kfree(rq->dma_info); + err = -EINVAL; + netdev_err(c->netdev, "RX handler of RQ is not set, err %d\n", err); + goto err_rq_wq_destroy; + } + rq->buff.wqe_sz = params->lro_en ? params->lro_wqe_sz : MLX5E_SW2HW_MTU(c->netdev->mtu); @@ -1043,7 +1046,6 @@ static void mlx5e_free_txqsq_db(struct mlx5e_txqsq *sq) { kfree(sq->db.wqe_info); kfree(sq->db.dma_fifo); - kfree(sq->db.skb); } static int mlx5e_alloc_txqsq_db(struct mlx5e_txqsq *sq, int numa) @@ -1051,13 +1053,11 @@ static int mlx5e_alloc_txqsq_db(struct mlx5e_txqsq *sq, int numa) int wq_sz = mlx5_wq_cyc_get_size(&sq->wq); int df_sz = wq_sz * MLX5_SEND_WQEBB_NUM_DS; - sq->db.skb = kzalloc_node(wq_sz * sizeof(*sq->db.skb), - GFP_KERNEL, numa); sq->db.dma_fifo = kzalloc_node(df_sz * sizeof(*sq->db.dma_fifo), GFP_KERNEL, numa); sq->db.wqe_info = kzalloc_node(wq_sz * sizeof(*sq->db.wqe_info), GFP_KERNEL, numa); - if (!sq->db.skb || !sq->db.dma_fifo || !sq->db.wqe_info) { + if (!sq->db.dma_fifo || !sq->db.wqe_info) { mlx5e_free_txqsq_db(sq); return -ENOMEM; } @@ -1296,7 +1296,7 @@ static void mlx5e_deactivate_txqsq(struct mlx5e_txqsq *sq) if (mlx5e_wqc_has_room_for(&sq->wq, sq->cc, sq->pc, 1)) { struct mlx5e_tx_wqe *nop; - sq->db.skb[(sq->pc & sq->wq.sz_m1)] = NULL; + sq->db.wqe_info[(sq->pc & sq->wq.sz_m1)].skb = NULL; nop = mlx5e_post_nop(&sq->wq, sq->sqn, &sq->pc); mlx5e_notify_hw(&sq->wq, sq->pc, sq->uar_map, &nop->ctrl); } @@ -1710,14 +1710,6 @@ static int mlx5e_set_tx_maxrate(struct net_device *dev, int index, u32 rate) return err; } -static inline int mlx5e_get_max_num_channels(struct mlx5_core_dev *mdev) -{ - return is_kdump_kernel() ? - MLX5E_MIN_NUM_CHANNELS : - min_t(int, mdev->priv.eq_table.num_comp_vectors, - MLX5E_MAX_NUM_CHANNELS); -} - static int mlx5e_open_channel(struct mlx5e_priv *priv, int ix, struct mlx5e_params *params, struct mlx5e_channel_param *cparam, @@ -2124,11 +2116,15 @@ void mlx5e_destroy_rqt(struct mlx5e_priv *priv, struct mlx5e_rqt *rqt) mlx5_core_destroy_rqt(priv->mdev, rqt->rqtn); } -static int mlx5e_create_indirect_rqts(struct mlx5e_priv *priv) +int mlx5e_create_indirect_rqt(struct mlx5e_priv *priv) { struct mlx5e_rqt *rqt = &priv->indir_rqt; + int err; - return mlx5e_create_rqt(priv, MLX5E_INDIR_RQT_SIZE, rqt); + err = mlx5e_create_rqt(priv, MLX5E_INDIR_RQT_SIZE, rqt); + if (err) + mlx5_core_warn(priv->mdev, "create indirect rqts failed, %d\n", err); + return err; } int mlx5e_create_direct_rqts(struct mlx5e_priv *priv) @@ -2147,12 +2143,21 @@ int mlx5e_create_direct_rqts(struct mlx5e_priv *priv) return 0; err_destroy_rqts: + mlx5_core_warn(priv->mdev, "create direct rqts failed, %d\n", err); for (ix--; ix >= 0; ix--) mlx5e_destroy_rqt(priv, &priv->direct_tir[ix].rqt); return err; } +void mlx5e_destroy_direct_rqts(struct mlx5e_priv *priv) +{ + int i; + + for (i = 0; i < priv->profile->max_nch(priv->mdev); i++) + mlx5e_destroy_rqt(priv, &priv->direct_tir[i].rqt); +} + static int mlx5e_rx_hash_fn(int hfunc) { return (hfunc == ETH_RSS_HASH_TOP) ? @@ -2543,7 +2548,13 @@ static void mlx5e_build_channels_tx_maps(struct mlx5e_priv *priv) } } -static void mlx5e_activate_priv_channels(struct mlx5e_priv *priv) +static bool mlx5e_is_eswitch_vport_mngr(struct mlx5_core_dev *mdev) +{ + return (MLX5_CAP_GEN(mdev, vport_group_manager) && + MLX5_CAP_GEN(mdev, port_type) == MLX5_CAP_PORT_TYPE_ETH); +} + +void mlx5e_activate_priv_channels(struct mlx5e_priv *priv) { int num_txqs = priv->channels.num * priv->channels.params.num_tc; struct net_device *netdev = priv->netdev; @@ -2556,18 +2567,18 @@ static void mlx5e_activate_priv_channels(struct mlx5e_priv *priv) mlx5e_activate_channels(&priv->channels); netif_tx_start_all_queues(priv->netdev); - if (MLX5_CAP_GEN(priv->mdev, vport_group_manager)) + if (mlx5e_is_eswitch_vport_mngr(priv->mdev)) mlx5e_add_sqs_fwd_rules(priv); mlx5e_wait_channels_min_rx_wqes(&priv->channels); mlx5e_redirect_rqts_to_channels(priv, &priv->channels); } -static void mlx5e_deactivate_priv_channels(struct mlx5e_priv *priv) +void mlx5e_deactivate_priv_channels(struct mlx5e_priv *priv) { mlx5e_redirect_rqts_to_drop(priv); - if (MLX5_CAP_GEN(priv->mdev, vport_group_manager)) + if (mlx5e_is_eswitch_vport_mngr(priv->mdev)) mlx5e_remove_sqs_fwd_rules(priv); /* FIXME: This is a W/A only for tx timeout watch dog false alarm when @@ -2755,24 +2766,25 @@ static void mlx5e_close_drop_rq(struct mlx5e_rq *drop_rq) mlx5e_free_cq(&drop_rq->cq); } -static int mlx5e_create_tis(struct mlx5e_priv *priv, int tc) +int mlx5e_create_tis(struct mlx5_core_dev *mdev, int tc, + u32 underlay_qpn, u32 *tisn) { - struct mlx5_core_dev *mdev = priv->mdev; u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {0}; void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); MLX5_SET(tisc, tisc, prio, tc << 1); + MLX5_SET(tisc, tisc, underlay_qpn, underlay_qpn); MLX5_SET(tisc, tisc, transport_domain, mdev->mlx5e_res.td.tdn); if (mlx5_lag_is_lacp_owner(mdev)) MLX5_SET(tisc, tisc, strict_lag_tx_port_affinity, 1); - return mlx5_core_create_tis(mdev, in, sizeof(in), &priv->tisn[tc]); + return mlx5_core_create_tis(mdev, in, sizeof(in), tisn); } -static void mlx5e_destroy_tis(struct mlx5e_priv *priv, int tc) +void mlx5e_destroy_tis(struct mlx5_core_dev *mdev, u32 tisn) { - mlx5_core_destroy_tis(priv->mdev, priv->tisn[tc]); + mlx5_core_destroy_tis(mdev, tisn); } int mlx5e_create_tises(struct mlx5e_priv *priv) @@ -2781,7 +2793,7 @@ int mlx5e_create_tises(struct mlx5e_priv *priv) int tc; for (tc = 0; tc < priv->profile->max_tc; tc++) { - err = mlx5e_create_tis(priv, tc); + err = mlx5e_create_tis(priv->mdev, tc, 0, &priv->tisn[tc]); if (err) goto err_close_tises; } @@ -2790,7 +2802,7 @@ int mlx5e_create_tises(struct mlx5e_priv *priv) err_close_tises: for (tc--; tc >= 0; tc--) - mlx5e_destroy_tis(priv, tc); + mlx5e_destroy_tis(priv->mdev, priv->tisn[tc]); return err; } @@ -2800,7 +2812,7 @@ void mlx5e_cleanup_nic_tx(struct mlx5e_priv *priv) int tc; for (tc = 0; tc < priv->profile->max_tc; tc++) - mlx5e_destroy_tis(priv, tc); + mlx5e_destroy_tis(priv->mdev, priv->tisn[tc]); } static void mlx5e_build_indir_tir_ctx(struct mlx5e_priv *priv, @@ -2827,7 +2839,7 @@ static void mlx5e_build_direct_tir_ctx(struct mlx5e_priv *priv, u32 rqtn, u32 *t MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_INVERTED_XOR8); } -static int mlx5e_create_indirect_tirs(struct mlx5e_priv *priv) +int mlx5e_create_indirect_tirs(struct mlx5e_priv *priv) { struct mlx5e_tir *tir; void *tirc; @@ -2856,6 +2868,7 @@ static int mlx5e_create_indirect_tirs(struct mlx5e_priv *priv) return 0; err_destroy_tirs: + mlx5_core_warn(priv->mdev, "create indirect tirs failed, %d\n", err); for (tt--; tt >= 0; tt--) mlx5e_destroy_tir(priv->mdev, &priv->indir_tir[tt]); @@ -2894,6 +2907,7 @@ int mlx5e_create_direct_tirs(struct mlx5e_priv *priv) return 0; err_destroy_ch_tirs: + mlx5_core_warn(priv->mdev, "create direct tirs failed, %d\n", err); for (ix--; ix >= 0; ix--) mlx5e_destroy_tir(priv->mdev, &priv->direct_tir[ix]); @@ -2902,7 +2916,7 @@ err_destroy_ch_tirs: return err; } -static void mlx5e_destroy_indirect_tirs(struct mlx5e_priv *priv) +void mlx5e_destroy_indirect_tirs(struct mlx5e_priv *priv) { int i; @@ -3803,9 +3817,9 @@ u32 mlx5e_choose_lro_timeout(struct mlx5_core_dev *mdev, u32 wanted_timeout) return MLX5_CAP_ETH(mdev, lro_timer_supported_periods[i]); } -static void mlx5e_build_nic_params(struct mlx5_core_dev *mdev, - struct mlx5e_params *params, - u16 max_channels) +void mlx5e_build_nic_params(struct mlx5_core_dev *mdev, + struct mlx5e_params *params, + u16 max_channels) { u8 cq_period_mode = 0; u32 link_speed = 0; @@ -3835,6 +3849,7 @@ static void mlx5e_build_nic_params(struct mlx5_core_dev *mdev, mlx5e_set_rq_params(mdev, params); /* HW LRO */ + /* TODO: && MLX5_CAP_ETH(mdev, lro_cap) */ if (params->rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) params->lro_en = true; params->lro_timeout = mlx5e_choose_lro_timeout(mdev, MLX5E_DEFAULT_LRO_TIMEOUT); @@ -4040,31 +4055,22 @@ static int mlx5e_init_nic_rx(struct mlx5e_priv *priv) { struct mlx5_core_dev *mdev = priv->mdev; int err; - int i; - err = mlx5e_create_indirect_rqts(priv); - if (err) { - mlx5_core_warn(mdev, "create indirect rqts failed, %d\n", err); + err = mlx5e_create_indirect_rqt(priv); + if (err) return err; - } err = mlx5e_create_direct_rqts(priv); - if (err) { - mlx5_core_warn(mdev, "create direct rqts failed, %d\n", err); + if (err) goto err_destroy_indirect_rqts; - } err = mlx5e_create_indirect_tirs(priv); - if (err) { - mlx5_core_warn(mdev, "create indirect tirs failed, %d\n", err); + if (err) goto err_destroy_direct_rqts; - } err = mlx5e_create_direct_tirs(priv); - if (err) { - mlx5_core_warn(mdev, "create direct tirs failed, %d\n", err); + if (err) goto err_destroy_indirect_tirs; - } err = mlx5e_create_flow_steering(priv); if (err) { @@ -4085,8 +4091,7 @@ err_destroy_direct_tirs: err_destroy_indirect_tirs: mlx5e_destroy_indirect_tirs(priv); err_destroy_direct_rqts: - for (i = 0; i < priv->profile->max_nch(mdev); i++) - mlx5e_destroy_rqt(priv, &priv->direct_tir[i].rqt); + mlx5e_destroy_direct_rqts(priv); err_destroy_indirect_rqts: mlx5e_destroy_rqt(priv, &priv->indir_rqt); return err; @@ -4094,14 +4099,11 @@ err_destroy_indirect_rqts: static void mlx5e_cleanup_nic_rx(struct mlx5e_priv *priv) { - int i; - mlx5e_tc_cleanup(priv); mlx5e_destroy_flow_steering(priv); mlx5e_destroy_direct_tirs(priv); mlx5e_destroy_indirect_tirs(priv); - for (i = 0; i < priv->profile->max_nch(priv->mdev); i++) - mlx5e_destroy_rqt(priv, &priv->direct_tir[i].rqt); + mlx5e_destroy_direct_rqts(priv); mlx5e_destroy_rqt(priv, &priv->indir_rqt); } @@ -4121,12 +4123,57 @@ static int mlx5e_init_nic_tx(struct mlx5e_priv *priv) return 0; } +static void mlx5e_register_vport_rep(struct mlx5_core_dev *mdev) +{ + struct mlx5_eswitch *esw = mdev->priv.eswitch; + int total_vfs = MLX5_TOTAL_VPORTS(mdev); + int vport; + u8 mac[ETH_ALEN]; + + if (!MLX5_CAP_GEN(mdev, vport_group_manager)) + return; + + mlx5_query_nic_vport_mac_address(mdev, 0, mac); + + for (vport = 1; vport < total_vfs; vport++) { + struct mlx5_eswitch_rep rep; + + rep.load = mlx5e_vport_rep_load; + rep.unload = mlx5e_vport_rep_unload; + rep.vport = vport; + ether_addr_copy(rep.hw_id, mac); + mlx5_eswitch_register_vport_rep(esw, vport, &rep); + } +} + +static void mlx5e_unregister_vport_rep(struct mlx5_core_dev *mdev) +{ + struct mlx5_eswitch *esw = mdev->priv.eswitch; + int total_vfs = MLX5_TOTAL_VPORTS(mdev); + int vport; + + if (!MLX5_CAP_GEN(mdev, vport_group_manager)) + return; + + for (vport = 1; vport < total_vfs; vport++) + mlx5_eswitch_unregister_vport_rep(esw, vport); +} + static void mlx5e_nic_enable(struct mlx5e_priv *priv) { struct net_device *netdev = priv->netdev; struct mlx5_core_dev *mdev = priv->mdev; struct mlx5_eswitch *esw = mdev->priv.eswitch; struct mlx5_eswitch_rep rep; + u16 max_mtu; + + mlx5e_init_l2_addr(priv); + + /* MTU range: 68 - hw-specific max */ + netdev->min_mtu = ETH_MIN_MTU; + mlx5_query_port_max_mtu(priv->mdev, &max_mtu, 1); + netdev->max_mtu = MLX5E_HW2SW_MTU(max_mtu); + mlx5e_set_dev_port_mtu(priv); mlx5_lag_add(mdev, netdev); @@ -4141,6 +4188,8 @@ static void mlx5e_nic_enable(struct mlx5e_priv *priv) mlx5_eswitch_register_vport_rep(esw, 0, &rep); } + mlx5e_register_vport_rep(mdev); + if (netdev->reg_state != NETREG_REGISTERED) return; @@ -4152,6 +4201,12 @@ static void mlx5e_nic_enable(struct mlx5e_priv *priv) } queue_work(priv->wq, &priv->set_rx_mode_work); + + rtnl_lock(); + if (netif_running(netdev)) + mlx5e_open(netdev); + netif_device_attach(netdev); + rtnl_unlock(); } static void mlx5e_nic_disable(struct mlx5e_priv *priv) @@ -4159,7 +4214,14 @@ static void mlx5e_nic_disable(struct mlx5e_priv *priv) struct mlx5_core_dev *mdev = priv->mdev; struct mlx5_eswitch *esw = mdev->priv.eswitch; + rtnl_lock(); + if (netif_running(priv->netdev)) + mlx5e_close(priv->netdev); + netif_device_detach(priv->netdev); + rtnl_unlock(); + queue_work(priv->wq, &priv->set_rx_mode_work); + mlx5e_unregister_vport_rep(mdev); if (MLX5_CAP_GEN(mdev, vport_group_manager)) mlx5_eswitch_unregister_vport_rep(esw, 0); mlx5e_disable_async_events(priv); @@ -4177,9 +4239,13 @@ static const struct mlx5e_profile mlx5e_nic_profile = { .disable = mlx5e_nic_disable, .update_stats = mlx5e_update_stats, .max_nch = mlx5e_get_max_num_channels, + .rx_handlers.handle_rx_cqe = mlx5e_handle_rx_cqe, + .rx_handlers.handle_rx_cqe_mpwqe = mlx5e_handle_rx_cqe_mpwrq, .max_tc = MLX5E_MAX_NUM_TC, }; +/* mlx5e generic netdev management API (move to en_common.c) */ + struct net_device *mlx5e_create_netdev(struct mlx5_core_dev *mdev, const struct mlx5e_profile *profile, void *ppriv) @@ -4219,14 +4285,12 @@ err_cleanup_nic: return NULL; } -int mlx5e_attach_netdev(struct mlx5_core_dev *mdev, struct net_device *netdev) +int mlx5e_attach_netdev(struct mlx5e_priv *priv) { + struct mlx5_core_dev *mdev = priv->mdev; const struct mlx5e_profile *profile; - struct mlx5e_priv *priv; - u16 max_mtu; int err; - priv = netdev_priv(netdev); profile = priv->profile; clear_bit(MLX5E_STATE_DESTROYING, &priv->state); @@ -4246,24 +4310,9 @@ int mlx5e_attach_netdev(struct mlx5_core_dev *mdev, struct net_device *netdev) mlx5e_create_q_counter(priv); - mlx5e_init_l2_addr(priv); - - /* MTU range: 68 - hw-specific max */ - netdev->min_mtu = ETH_MIN_MTU; - mlx5_query_port_max_mtu(priv->mdev, &max_mtu, 1); - netdev->max_mtu = MLX5E_HW2SW_MTU(max_mtu); - - mlx5e_set_dev_port_mtu(priv); - if (profile->enable) profile->enable(priv); - rtnl_lock(); - if (netif_running(netdev)) - mlx5e_open(netdev); - netif_device_attach(netdev); - rtnl_unlock(); - return 0; err_close_drop_rq: @@ -4276,55 +4325,12 @@ out: return err; } -static void mlx5e_register_vport_rep(struct mlx5_core_dev *mdev) +void mlx5e_detach_netdev(struct mlx5e_priv *priv) { - struct mlx5_eswitch *esw = mdev->priv.eswitch; - int total_vfs = MLX5_TOTAL_VPORTS(mdev); - int vport; - u8 mac[ETH_ALEN]; - - if (!MLX5_CAP_GEN(mdev, vport_group_manager)) - return; - - mlx5_query_nic_vport_mac_address(mdev, 0, mac); - - for (vport = 1; vport < total_vfs; vport++) { - struct mlx5_eswitch_rep rep; - - rep.load = mlx5e_vport_rep_load; - rep.unload = mlx5e_vport_rep_unload; - rep.vport = vport; - ether_addr_copy(rep.hw_id, mac); - mlx5_eswitch_register_vport_rep(esw, vport, &rep); - } -} - -static void mlx5e_unregister_vport_rep(struct mlx5_core_dev *mdev) -{ - struct mlx5_eswitch *esw = mdev->priv.eswitch; - int total_vfs = MLX5_TOTAL_VPORTS(mdev); - int vport; - - if (!MLX5_CAP_GEN(mdev, vport_group_manager)) - return; - - for (vport = 1; vport < total_vfs; vport++) - mlx5_eswitch_unregister_vport_rep(esw, vport); -} - -void mlx5e_detach_netdev(struct mlx5_core_dev *mdev, struct net_device *netdev) -{ - struct mlx5e_priv *priv = netdev_priv(netdev); const struct mlx5e_profile *profile = priv->profile; set_bit(MLX5E_STATE_DESTROYING, &priv->state); - rtnl_lock(); - if (netif_running(netdev)) - mlx5e_close(netdev); - netif_device_detach(netdev); - rtnl_unlock(); - if (profile->disable) profile->disable(priv); flush_workqueue(priv->wq); @@ -4336,6 +4342,17 @@ void mlx5e_detach_netdev(struct mlx5_core_dev *mdev, struct net_device *netdev) cancel_delayed_work_sync(&priv->update_stats_work); } +void mlx5e_destroy_netdev(struct mlx5e_priv *priv) +{ + const struct mlx5e_profile *profile = priv->profile; + struct net_device *netdev = priv->netdev; + + destroy_workqueue(priv->wq); + if (profile->cleanup) + profile->cleanup(priv); + free_netdev(netdev); +} + /* mlx5e_attach and mlx5e_detach scope should be only creating/destroying * hardware contexts and to connect it to the current netdev. */ @@ -4352,13 +4369,12 @@ static int mlx5e_attach(struct mlx5_core_dev *mdev, void *vpriv) if (err) return err; - err = mlx5e_attach_netdev(mdev, netdev); + err = mlx5e_attach_netdev(priv); if (err) { mlx5e_destroy_mdev_resources(mdev); return err; } - mlx5e_register_vport_rep(mdev); return 0; } @@ -4370,8 +4386,7 @@ static void mlx5e_detach(struct mlx5_core_dev *mdev, void *vpriv) if (!netif_device_present(netdev)) return; - mlx5e_unregister_vport_rep(mdev); - mlx5e_detach_netdev(mdev, netdev); + mlx5e_detach_netdev(priv); mlx5e_destroy_mdev_resources(mdev); } @@ -4418,7 +4433,7 @@ err_detach: mlx5e_detach(mdev, priv); err_destroy_netdev: - mlx5e_destroy_netdev(mdev, priv); + mlx5e_destroy_netdev(priv); err_unregister_reps: for (vport = 1; vport < total_vfs; vport++) @@ -4427,24 +4442,13 @@ err_unregister_reps: return NULL; } -void mlx5e_destroy_netdev(struct mlx5_core_dev *mdev, struct mlx5e_priv *priv) -{ - const struct mlx5e_profile *profile = priv->profile; - struct net_device *netdev = priv->netdev; - - destroy_workqueue(priv->wq); - if (profile->cleanup) - profile->cleanup(priv); - free_netdev(netdev); -} - static void mlx5e_remove(struct mlx5_core_dev *mdev, void *vpriv) { struct mlx5e_priv *priv = vpriv; unregister_netdev(priv->netdev); mlx5e_detach(mdev, vpriv); - mlx5e_destroy_netdev(mdev, priv); + mlx5e_destroy_netdev(priv); } static void *mlx5e_get_netdev(void *vpriv) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index 53db5ec2c122..16b683e8226d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -329,7 +329,7 @@ bool mlx5e_is_uplink_rep(struct mlx5e_priv *priv) return false; } -bool mlx5e_is_vf_vport_rep(struct mlx5e_priv *priv) +static bool mlx5e_is_vf_vport_rep(struct mlx5e_priv *priv) { struct mlx5_eswitch_rep *rep = (struct mlx5_eswitch_rep *)priv->ppriv; @@ -465,22 +465,18 @@ static int mlx5e_init_rep_rx(struct mlx5e_priv *priv) { struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; struct mlx5_eswitch_rep *rep = priv->ppriv; - struct mlx5_core_dev *mdev = priv->mdev; struct mlx5_flow_handle *flow_rule; int err; - int i; + + mlx5e_init_l2_addr(priv); err = mlx5e_create_direct_rqts(priv); - if (err) { - mlx5_core_warn(mdev, "create direct rqts failed, %d\n", err); + if (err) return err; - } err = mlx5e_create_direct_tirs(priv); - if (err) { - mlx5_core_warn(mdev, "create direct tirs failed, %d\n", err); + if (err) goto err_destroy_direct_rqts; - } flow_rule = mlx5_eswitch_create_vport_rx_rule(esw, rep->vport, @@ -502,21 +498,18 @@ err_del_flow_rule: err_destroy_direct_tirs: mlx5e_destroy_direct_tirs(priv); err_destroy_direct_rqts: - for (i = 0; i < priv->channels.params.num_channels; i++) - mlx5e_destroy_rqt(priv, &priv->direct_tir[i].rqt); + mlx5e_destroy_direct_rqts(priv); return err; } static void mlx5e_cleanup_rep_rx(struct mlx5e_priv *priv) { struct mlx5_eswitch_rep *rep = priv->ppriv; - int i; mlx5e_tc_cleanup(priv); mlx5_del_flow_rules(rep->vport_rx_rule); mlx5e_destroy_direct_tirs(priv); - for (i = 0; i < priv->channels.params.num_channels; i++) - mlx5e_destroy_rqt(priv, &priv->direct_tir[i].rqt); + mlx5e_destroy_direct_rqts(priv); } static int mlx5e_init_rep_tx(struct mlx5e_priv *priv) @@ -545,6 +538,8 @@ static struct mlx5e_profile mlx5e_rep_profile = { .cleanup_tx = mlx5e_cleanup_nic_tx, .update_stats = mlx5e_rep_update_stats, .max_nch = mlx5e_get_rep_max_num_channels, + .rx_handlers.handle_rx_cqe = mlx5e_handle_rx_cqe_rep, + .rx_handlers.handle_rx_cqe_mpwqe = NULL /* Not supported */, .max_tc = 1, }; @@ -563,7 +558,7 @@ int mlx5e_vport_rep_load(struct mlx5_eswitch *esw, rep->netdev = netdev; - err = mlx5e_attach_netdev(esw->dev, netdev); + err = mlx5e_attach_netdev(netdev_priv(netdev)); if (err) { pr_warn("Failed to attach representor netdev for vport %d\n", rep->vport); @@ -580,10 +575,10 @@ int mlx5e_vport_rep_load(struct mlx5_eswitch *esw, return 0; err_detach_netdev: - mlx5e_detach_netdev(esw->dev, netdev); + mlx5e_detach_netdev(netdev_priv(netdev)); err_destroy_netdev: - mlx5e_destroy_netdev(esw->dev, netdev_priv(netdev)); + mlx5e_destroy_netdev(netdev_priv(netdev)); return err; @@ -595,6 +590,6 @@ void mlx5e_vport_rep_unload(struct mlx5_eswitch *esw, struct net_device *netdev = rep->netdev; unregister_netdev(netdev); - mlx5e_detach_netdev(esw->dev, netdev); - mlx5e_destroy_netdev(esw->dev, netdev_priv(netdev)); + mlx5e_detach_netdev(netdev_priv(netdev)); + mlx5e_destroy_netdev(netdev_priv(netdev)); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 1a9532b31635..43308243f519 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -1031,3 +1031,81 @@ void mlx5e_free_xdpsq_descs(struct mlx5e_xdpsq *sq) mlx5e_page_release(rq, di, false); } } + +#ifdef CONFIG_MLX5_CORE_IPOIB + +#define MLX5_IB_GRH_DGID_OFFSET 24 +#define MLX5_IB_GRH_BYTES 40 +#define MLX5_IPOIB_ENCAP_LEN 4 +#define MLX5_GID_SIZE 16 + +static inline void mlx5i_complete_rx_cqe(struct mlx5e_rq *rq, + struct mlx5_cqe64 *cqe, + u32 cqe_bcnt, + struct sk_buff *skb) +{ + struct net_device *netdev = rq->netdev; + u8 *dgid; + u8 g; + + g = (be32_to_cpu(cqe->flags_rqpn) >> 28) & 3; + dgid = skb->data + MLX5_IB_GRH_DGID_OFFSET; + if ((!g) || dgid[0] != 0xff) + skb->pkt_type = PACKET_HOST; + else if (memcmp(dgid, netdev->broadcast + 4, MLX5_GID_SIZE) == 0) + skb->pkt_type = PACKET_BROADCAST; + else + skb->pkt_type = PACKET_MULTICAST; + + /* TODO: IB/ipoib: Allow mcast packets from other VFs + * 68996a6e760e5c74654723eeb57bf65628ae87f4 + */ + + skb_pull(skb, MLX5_IB_GRH_BYTES); + + skb->protocol = *((__be16 *)(skb->data)); + + skb->ip_summed = CHECKSUM_COMPLETE; + skb->csum = csum_unfold((__force __sum16)cqe->check_sum); + + skb_record_rx_queue(skb, rq->ix); + + if (likely(netdev->features & NETIF_F_RXHASH)) + mlx5e_skb_set_hash(cqe, skb); + + skb_reset_mac_header(skb); + skb_pull(skb, MLX5_IPOIB_ENCAP_LEN); + + skb->dev = netdev; + + rq->stats.csum_complete++; + rq->stats.packets++; + rq->stats.bytes += cqe_bcnt; +} + +void mlx5i_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe) +{ + struct mlx5e_rx_wqe *wqe; + __be16 wqe_counter_be; + struct sk_buff *skb; + u16 wqe_counter; + u32 cqe_bcnt; + + wqe_counter_be = cqe->wqe_counter; + wqe_counter = be16_to_cpu(wqe_counter_be); + wqe = mlx5_wq_ll_get_wqe(&rq->wq, wqe_counter); + cqe_bcnt = be32_to_cpu(cqe->byte_cnt); + + skb = skb_from_cqe(rq, cqe, wqe_counter, cqe_bcnt); + if (!skb) + goto wq_ll_pop; + + mlx5i_complete_rx_cqe(rq, cqe, cqe_bcnt, skb); + napi_gro_receive(rq->cq.napi, skb); + +wq_ll_pop: + mlx5_wq_ll_pop(&rq->wq, wqe_counter_be, + &wqe->next.next_wqe_index); +} + +#endif /* CONFIG_MLX5_CORE_IPOIB */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c index 5bbc313e70c5..dda7db503043 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c @@ -177,30 +177,9 @@ static inline void mlx5e_insert_vlan(void *start, struct sk_buff *skb, u16 ihs, mlx5e_tx_skb_pull_inline(skb_data, skb_len, cpy2_sz); } -static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb) +static inline void +mlx5e_txwqe_build_eseg_csum(struct mlx5e_txqsq *sq, struct sk_buff *skb, struct mlx5_wqe_eth_seg *eseg) { - struct mlx5_wq_cyc *wq = &sq->wq; - - u16 pi = sq->pc & wq->sz_m1; - struct mlx5e_tx_wqe *wqe = mlx5_wq_cyc_get_wqe(wq, pi); - struct mlx5e_tx_wqe_info *wi = &sq->db.wqe_info[pi]; - - struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl; - struct mlx5_wqe_eth_seg *eseg = &wqe->eth; - struct mlx5_wqe_data_seg *dseg; - - unsigned char *skb_data = skb->data; - unsigned int skb_len = skb->len; - u8 opcode = MLX5_OPCODE_SEND; - dma_addr_t dma_addr = 0; - unsigned int num_bytes; - u16 headlen; - u16 ds_cnt; - u16 ihs; - int i; - - memset(wqe, 0, sizeof(*wqe)); - if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM; if (skb->encapsulation) { @@ -212,66 +191,51 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb) } } else sq->stats.csum_none++; +} - if (skb_is_gso(skb)) { - eseg->mss = cpu_to_be16(skb_shinfo(skb)->gso_size); - opcode = MLX5_OPCODE_LSO; +static inline u16 +mlx5e_txwqe_build_eseg_gso(struct mlx5e_txqsq *sq, struct sk_buff *skb, + struct mlx5_wqe_eth_seg *eseg, unsigned int *num_bytes) +{ + u16 ihs; - if (skb->encapsulation) { - ihs = skb_inner_transport_offset(skb) + inner_tcp_hdrlen(skb); - sq->stats.tso_inner_packets++; - sq->stats.tso_inner_bytes += skb->len - ihs; - } else { - ihs = skb_transport_offset(skb) + tcp_hdrlen(skb); - sq->stats.tso_packets++; - sq->stats.tso_bytes += skb->len - ihs; - } + eseg->mss = cpu_to_be16(skb_shinfo(skb)->gso_size); - sq->stats.packets += skb_shinfo(skb)->gso_segs; - num_bytes = skb->len + (skb_shinfo(skb)->gso_segs - 1) * ihs; + if (skb->encapsulation) { + ihs = skb_inner_transport_offset(skb) + inner_tcp_hdrlen(skb); + sq->stats.tso_inner_packets++; + sq->stats.tso_inner_bytes += skb->len - ihs; } else { - ihs = mlx5e_calc_min_inline(sq->min_inline_mode, skb); - sq->stats.packets++; - num_bytes = max_t(unsigned int, skb->len, ETH_ZLEN); + ihs = skb_transport_offset(skb) + tcp_hdrlen(skb); + sq->stats.tso_packets++; + sq->stats.tso_bytes += skb->len - ihs; } - sq->stats.bytes += num_bytes; - wi->num_bytes = num_bytes; - - ds_cnt = sizeof(*wqe) / MLX5_SEND_WQE_DS; - if (ihs) { - if (skb_vlan_tag_present(skb)) { - mlx5e_insert_vlan(eseg->inline_hdr.start, skb, ihs, &skb_data, &skb_len); - ihs += VLAN_HLEN; - } else { - memcpy(eseg->inline_hdr.start, skb_data, ihs); - mlx5e_tx_skb_pull_inline(&skb_data, &skb_len, ihs); - } - eseg->inline_hdr.sz = cpu_to_be16(ihs); - ds_cnt += DIV_ROUND_UP(ihs - sizeof(eseg->inline_hdr.start), MLX5_SEND_WQE_DS); - } else if (skb_vlan_tag_present(skb)) { - eseg->insert.type = cpu_to_be16(MLX5_ETH_WQE_INSERT_VLAN); - eseg->insert.vlan_tci = cpu_to_be16(skb_vlan_tag_get(skb)); - } - - dseg = (struct mlx5_wqe_data_seg *)cseg + ds_cnt; + *num_bytes = skb->len + (skb_shinfo(skb)->gso_segs - 1) * ihs; + return ihs; +} - wi->num_dma = 0; +static inline int +mlx5e_txwqe_build_dsegs(struct mlx5e_txqsq *sq, struct sk_buff *skb, + unsigned char *skb_data, u16 headlen, + struct mlx5_wqe_data_seg *dseg) +{ + dma_addr_t dma_addr = 0; + u8 num_dma = 0; + int i; - headlen = skb_len - skb->data_len; if (headlen) { dma_addr = dma_map_single(sq->pdev, skb_data, headlen, DMA_TO_DEVICE); if (unlikely(dma_mapping_error(sq->pdev, dma_addr))) - goto dma_unmap_wqe_err; + return -ENOMEM; dseg->addr = cpu_to_be64(dma_addr); dseg->lkey = sq->mkey_be; dseg->byte_count = cpu_to_be32(headlen); mlx5e_dma_push(sq, dma_addr, headlen, MLX5E_DMA_MAP_SINGLE); - wi->num_dma++; - + num_dma++; dseg++; } @@ -280,51 +244,120 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb) int fsz = skb_frag_size(frag); dma_addr = skb_frag_dma_map(sq->pdev, frag, 0, fsz, - DMA_TO_DEVICE); + DMA_TO_DEVICE); if (unlikely(dma_mapping_error(sq->pdev, dma_addr))) - goto dma_unmap_wqe_err; + return -ENOMEM; dseg->addr = cpu_to_be64(dma_addr); dseg->lkey = sq->mkey_be; dseg->byte_count = cpu_to_be32(fsz); mlx5e_dma_push(sq, dma_addr, fsz, MLX5E_DMA_MAP_PAGE); - wi->num_dma++; - + num_dma++; dseg++; } - ds_cnt += wi->num_dma; - - cseg->opmod_idx_opcode = cpu_to_be32((sq->pc << 8) | opcode); - cseg->qpn_ds = cpu_to_be32((sq->sqn << 8) | ds_cnt); + return num_dma; +} - sq->db.skb[pi] = skb; +static inline void +mlx5e_txwqe_complete(struct mlx5e_txqsq *sq, struct sk_buff *skb, + u8 opcode, u16 ds_cnt, u32 num_bytes, u8 num_dma, + struct mlx5e_tx_wqe_info *wi, struct mlx5_wqe_ctrl_seg *cseg) +{ + struct mlx5_wq_cyc *wq = &sq->wq; + u16 pi; + wi->num_bytes = num_bytes; + wi->num_dma = num_dma; wi->num_wqebbs = DIV_ROUND_UP(ds_cnt, MLX5_SEND_WQEBB_NUM_DS); - sq->pc += wi->num_wqebbs; + wi->skb = skb; - netdev_tx_sent_queue(sq->txq, wi->num_bytes); + cseg->opmod_idx_opcode = cpu_to_be32((sq->pc << 8) | opcode); + cseg->qpn_ds = cpu_to_be32((sq->sqn << 8) | ds_cnt); + + netdev_tx_sent_queue(sq->txq, num_bytes); if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; - if (unlikely(!mlx5e_wqc_has_room_for(&sq->wq, sq->cc, sq->pc, - MLX5E_SQ_STOP_ROOM))) { + sq->pc += wi->num_wqebbs; + if (unlikely(!mlx5e_wqc_has_room_for(wq, sq->cc, sq->pc, MLX5E_SQ_STOP_ROOM))) { netif_tx_stop_queue(sq->txq); sq->stats.stopped++; } - sq->stats.xmit_more += skb->xmit_more; if (!skb->xmit_more || netif_xmit_stopped(sq->txq)) mlx5e_notify_hw(wq, sq->pc, sq->uar_map, cseg); /* fill sq edge with nops to avoid wqe wrap around */ while ((pi = (sq->pc & wq->sz_m1)) > sq->edge) { - sq->db.skb[pi] = NULL; - mlx5e_post_nop(&sq->wq, sq->sqn, &sq->pc); + sq->db.wqe_info[pi].skb = NULL; + mlx5e_post_nop(wq, sq->sqn, &sq->pc); sq->stats.nop++; } +} + +static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb) +{ + struct mlx5_wq_cyc *wq = &sq->wq; + + u16 pi = sq->pc & wq->sz_m1; + struct mlx5e_tx_wqe *wqe = mlx5_wq_cyc_get_wqe(wq, pi); + struct mlx5e_tx_wqe_info *wi = &sq->db.wqe_info[pi]; + + struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl; + struct mlx5_wqe_eth_seg *eseg = &wqe->eth; + + unsigned char *skb_data = skb->data; + unsigned int skb_len = skb->len; + u8 opcode = MLX5_OPCODE_SEND; + unsigned int num_bytes; + int num_dma; + u16 headlen; + u16 ds_cnt; + u16 ihs; + + memset(wqe, 0, sizeof(*wqe)); + + mlx5e_txwqe_build_eseg_csum(sq, skb, eseg); + + if (skb_is_gso(skb)) { + opcode = MLX5_OPCODE_LSO; + ihs = mlx5e_txwqe_build_eseg_gso(sq, skb, eseg, &num_bytes); + sq->stats.packets += skb_shinfo(skb)->gso_segs; + } else { + ihs = mlx5e_calc_min_inline(sq->min_inline_mode, skb); + num_bytes = max_t(unsigned int, skb->len, ETH_ZLEN); + sq->stats.packets++; + } + sq->stats.bytes += num_bytes; + sq->stats.xmit_more += skb->xmit_more; + + ds_cnt = sizeof(*wqe) / MLX5_SEND_WQE_DS; + if (ihs) { + if (skb_vlan_tag_present(skb)) { + mlx5e_insert_vlan(eseg->inline_hdr.start, skb, ihs, &skb_data, &skb_len); + ihs += VLAN_HLEN; + } else { + memcpy(eseg->inline_hdr.start, skb_data, ihs); + mlx5e_tx_skb_pull_inline(&skb_data, &skb_len, ihs); + } + eseg->inline_hdr.sz = cpu_to_be16(ihs); + ds_cnt += DIV_ROUND_UP(ihs - sizeof(eseg->inline_hdr.start), MLX5_SEND_WQE_DS); + } else if (skb_vlan_tag_present(skb)) { + eseg->insert.type = cpu_to_be16(MLX5_ETH_WQE_INSERT_VLAN); + eseg->insert.vlan_tci = cpu_to_be16(skb_vlan_tag_get(skb)); + } + + headlen = skb_len - skb->data_len; + num_dma = mlx5e_txwqe_build_dsegs(sq, skb, skb_data, headlen, + (struct mlx5_wqe_data_seg *)cseg + ds_cnt); + if (unlikely(num_dma < 0)) + goto dma_unmap_wqe_err; + + mlx5e_txwqe_complete(sq, skb, opcode, ds_cnt + num_dma, + num_bytes, num_dma, wi, cseg); return NETDEV_TX_OK; @@ -392,8 +425,8 @@ bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget) last_wqe = (sqcc == wqe_counter); ci = sqcc & sq->wq.sz_m1; - skb = sq->db.skb[ci]; wi = &sq->db.wqe_info[ci]; + skb = wi->skb; if (unlikely(!skb)) { /* nop */ sqcc++; @@ -451,8 +484,8 @@ void mlx5e_free_txqsq_descs(struct mlx5e_txqsq *sq) while (sq->cc != sq->pc) { ci = sq->cc & sq->wq.sz_m1; - skb = sq->db.skb[ci]; wi = &sq->db.wqe_info[ci]; + skb = wi->skb; if (!skb) { /* nop */ sq->cc++; @@ -470,3 +503,90 @@ void mlx5e_free_txqsq_descs(struct mlx5e_txqsq *sq) sq->cc += wi->num_wqebbs; } } + +#ifdef CONFIG_MLX5_CORE_IPOIB + +struct mlx5_wqe_eth_pad { + u8 rsvd0[16]; +}; + +struct mlx5i_tx_wqe { + struct mlx5_wqe_ctrl_seg ctrl; + struct mlx5_wqe_datagram_seg datagram; + struct mlx5_wqe_eth_pad pad; + struct mlx5_wqe_eth_seg eth; +}; + +static inline void +mlx5i_txwqe_build_datagram(struct mlx5_av *av, u32 dqpn, u32 dqkey, + struct mlx5_wqe_datagram_seg *dseg) +{ + memcpy(&dseg->av, av, sizeof(struct mlx5_av)); + dseg->av.dqp_dct = cpu_to_be32(dqpn | MLX5_EXTENDED_UD_AV); + dseg->av.key.qkey.qkey = cpu_to_be32(dqkey); +} + +netdev_tx_t mlx5i_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb, + struct mlx5_av *av, u32 dqpn, u32 dqkey) +{ + struct mlx5_wq_cyc *wq = &sq->wq; + u16 pi = sq->pc & wq->sz_m1; + struct mlx5i_tx_wqe *wqe = mlx5_wq_cyc_get_wqe(wq, pi); + struct mlx5e_tx_wqe_info *wi = &sq->db.wqe_info[pi]; + + struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl; + struct mlx5_wqe_datagram_seg *datagram = &wqe->datagram; + struct mlx5_wqe_eth_seg *eseg = &wqe->eth; + + unsigned char *skb_data = skb->data; + unsigned int skb_len = skb->len; + u8 opcode = MLX5_OPCODE_SEND; + unsigned int num_bytes; + int num_dma; + u16 headlen; + u16 ds_cnt; + u16 ihs; + + memset(wqe, 0, sizeof(*wqe)); + + mlx5i_txwqe_build_datagram(av, dqpn, dqkey, datagram); + + mlx5e_txwqe_build_eseg_csum(sq, skb, eseg); + + if (skb_is_gso(skb)) { + opcode = MLX5_OPCODE_LSO; + ihs = mlx5e_txwqe_build_eseg_gso(sq, skb, eseg, &num_bytes); + } else { + ihs = mlx5e_calc_min_inline(sq->min_inline_mode, skb); + num_bytes = max_t(unsigned int, skb->len, ETH_ZLEN); + } + + ds_cnt = sizeof(*wqe) / MLX5_SEND_WQE_DS; + if (ihs) { + memcpy(eseg->inline_hdr.start, skb_data, ihs); + mlx5e_tx_skb_pull_inline(&skb_data, &skb_len, ihs); + eseg->inline_hdr.sz = cpu_to_be16(ihs); + ds_cnt += DIV_ROUND_UP(ihs - sizeof(eseg->inline_hdr.start), MLX5_SEND_WQE_DS); + } + + headlen = skb_len - skb->data_len; + num_dma = mlx5e_txwqe_build_dsegs(sq, skb, skb_data, headlen, + (struct mlx5_wqe_data_seg *)cseg + ds_cnt); + if (unlikely(num_dma < 0)) + goto dma_unmap_wqe_err; + + mlx5e_txwqe_complete(sq, skb, opcode, ds_cnt + num_dma, + num_bytes, num_dma, wi, cseg); + + return NETDEV_TX_OK; + +dma_unmap_wqe_err: + sq->stats.dropped++; + mlx5e_dma_unmap_wqe_err(sq, wi->num_dma); + + dev_kfree_skb_any(skb); + + return NETDEV_TX_OK; +} + +#endif diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index fcd5bc7e31db..b3281d1118b3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -337,6 +337,7 @@ esw_fdb_set_vport_promisc_rule(struct mlx5_eswitch *esw, u32 vport) static int esw_create_legacy_fdb_table(struct mlx5_eswitch *esw, int nvports) { int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); + struct mlx5_flow_table_attr ft_attr = {}; struct mlx5_core_dev *dev = esw->dev; struct mlx5_flow_namespace *root_ns; struct mlx5_flow_table *fdb; @@ -362,7 +363,9 @@ static int esw_create_legacy_fdb_table(struct mlx5_eswitch *esw, int nvports) memset(flow_group_in, 0, inlen); table_size = BIT(MLX5_CAP_ESW_FLOWTABLE_FDB(dev, log_max_ft_size)); - fdb = mlx5_create_flow_table(root_ns, 0, table_size, 0, 0); + + ft_attr.max_fte = table_size; + fdb = mlx5_create_flow_table(root_ns, &ft_attr); if (IS_ERR(fdb)) { err = PTR_ERR(fdb); esw_warn(dev, "Failed to create FDB Table err %d\n", err); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index fff962dac8e3..992b380d36be 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -432,6 +432,7 @@ out: static int esw_create_offloads_fdb_table(struct mlx5_eswitch *esw, int nvports) { int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); + struct mlx5_flow_table_attr ft_attr = {}; int table_size, ix, esw_size, err = 0; struct mlx5_core_dev *dev = esw->dev; struct mlx5_flow_namespace *root_ns; @@ -475,7 +476,11 @@ static int esw_create_offloads_fdb_table(struct mlx5_eswitch *esw, int nvports) esw->fdb_table.fdb = fdb; table_size = nvports + MAX_PF_SQ + 1; - fdb = mlx5_create_flow_table(root_ns, FDB_SLOW_PATH, table_size, 0, 0); + + ft_attr.max_fte = table_size; + ft_attr.prio = FDB_SLOW_PATH; + + fdb = mlx5_create_flow_table(root_ns, &ft_attr); if (IS_ERR(fdb)) { err = PTR_ERR(fdb); esw_warn(dev, "Failed to create slow path FDB Table err %d\n", err); @@ -556,9 +561,10 @@ static void esw_destroy_offloads_fdb_table(struct mlx5_eswitch *esw) static int esw_create_offloads_table(struct mlx5_eswitch *esw) { - struct mlx5_flow_namespace *ns; - struct mlx5_flow_table *ft_offloads; + struct mlx5_flow_table_attr ft_attr = {}; struct mlx5_core_dev *dev = esw->dev; + struct mlx5_flow_table *ft_offloads; + struct mlx5_flow_namespace *ns; int err = 0; ns = mlx5_get_flow_namespace(dev, MLX5_FLOW_NAMESPACE_OFFLOADS); @@ -567,7 +573,9 @@ static int esw_create_offloads_table(struct mlx5_eswitch *esw) return -EOPNOTSUPP; } - ft_offloads = mlx5_create_flow_table(ns, 0, dev->priv.sriov.num_vfs + 2, 0, 0); + ft_attr.max_fte = dev->priv.sriov.num_vfs + 2; + + ft_offloads = mlx5_create_flow_table(ns, &ft_attr); if (IS_ERR(ft_offloads)) { err = PTR_ERR(ft_offloads); esw_warn(esw->dev, "Failed to create offloads table, err %d\n", err); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c index c6178ea1a461..19e3d2fc2099 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c @@ -45,6 +45,10 @@ int mlx5_cmd_update_root_ft(struct mlx5_core_dev *dev, u32 in[MLX5_ST_SZ_DW(set_flow_table_root_in)] = {0}; u32 out[MLX5_ST_SZ_DW(set_flow_table_root_out)] = {0}; + if ((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_IB) && + ft->underlay_qpn == 0) + return 0; + MLX5_SET(set_flow_table_root_in, in, opcode, MLX5_CMD_OP_SET_FLOW_TABLE_ROOT); MLX5_SET(set_flow_table_root_in, in, table_type, ft->type); @@ -54,6 +58,10 @@ int mlx5_cmd_update_root_ft(struct mlx5_core_dev *dev, MLX5_SET(set_flow_table_root_in, in, other_vport, 1); } + if ((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_IB) && + ft->underlay_qpn != 0) + MLX5_SET(set_flow_table_root_in, in, underlay_qpn, ft->underlay_qpn); + return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index 27ff815600f7..b8a176503d38 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -778,18 +778,16 @@ static void list_add_flow_table(struct mlx5_flow_table *ft, } static struct mlx5_flow_table *__mlx5_create_flow_table(struct mlx5_flow_namespace *ns, + struct mlx5_flow_table_attr *ft_attr, enum fs_flow_table_op_mod op_mod, - u16 vport, int prio, - int max_fte, u32 level, - u32 flags) + u16 vport) { + struct mlx5_flow_root_namespace *root = find_root(&ns->node); struct mlx5_flow_table *next_ft = NULL; + struct fs_prio *fs_prio = NULL; struct mlx5_flow_table *ft; - int err; int log_table_sz; - struct mlx5_flow_root_namespace *root = - find_root(&ns->node); - struct fs_prio *fs_prio = NULL; + int err; if (!root) { pr_err("mlx5: flow steering failed to find root of namespace\n"); @@ -797,29 +795,31 @@ static struct mlx5_flow_table *__mlx5_create_flow_table(struct mlx5_flow_namespa } mutex_lock(&root->chain_lock); - fs_prio = find_prio(ns, prio); + fs_prio = find_prio(ns, ft_attr->prio); if (!fs_prio) { err = -EINVAL; goto unlock_root; } - if (level >= fs_prio->num_levels) { + if (ft_attr->level >= fs_prio->num_levels) { err = -ENOSPC; goto unlock_root; } /* The level is related to the * priority level range. */ - level += fs_prio->start_level; - ft = alloc_flow_table(level, + ft_attr->level += fs_prio->start_level; + ft = alloc_flow_table(ft_attr->level, vport, - max_fte ? roundup_pow_of_two(max_fte) : 0, + ft_attr->max_fte ? roundup_pow_of_two(ft_attr->max_fte) : 0, root->table_type, - op_mod, flags); + op_mod, ft_attr->flags); if (!ft) { err = -ENOMEM; goto unlock_root; } + ft->underlay_qpn = ft_attr->underlay_qpn; + tree_init_node(&ft->node, 1, del_flow_table); log_table_sz = ft->max_fte ? ilog2(ft->max_fte) : 0; next_ft = find_next_chained_ft(fs_prio); @@ -849,44 +849,56 @@ unlock_root: } struct mlx5_flow_table *mlx5_create_flow_table(struct mlx5_flow_namespace *ns, - int prio, int max_fte, - u32 level, - u32 flags) + struct mlx5_flow_table_attr *ft_attr) { - return __mlx5_create_flow_table(ns, FS_FT_OP_MOD_NORMAL, 0, prio, - max_fte, level, flags); + return __mlx5_create_flow_table(ns, ft_attr, FS_FT_OP_MOD_NORMAL, 0); } struct mlx5_flow_table *mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns, int prio, int max_fte, u32 level, u16 vport) { - return __mlx5_create_flow_table(ns, FS_FT_OP_MOD_NORMAL, vport, prio, - max_fte, level, 0); + struct mlx5_flow_table_attr ft_attr = {}; + + ft_attr.max_fte = max_fte; + ft_attr.level = level; + ft_attr.prio = prio; + + return __mlx5_create_flow_table(ns, &ft_attr, FS_FT_OP_MOD_NORMAL, 0); } -struct mlx5_flow_table *mlx5_create_lag_demux_flow_table( - struct mlx5_flow_namespace *ns, - int prio, u32 level) +struct mlx5_flow_table* +mlx5_create_lag_demux_flow_table(struct mlx5_flow_namespace *ns, + int prio, u32 level) { - return __mlx5_create_flow_table(ns, FS_FT_OP_MOD_LAG_DEMUX, 0, prio, 0, - level, 0); + struct mlx5_flow_table_attr ft_attr = {}; + + ft_attr.level = level; + ft_attr.prio = prio; + return __mlx5_create_flow_table(ns, &ft_attr, FS_FT_OP_MOD_LAG_DEMUX, 0); } EXPORT_SYMBOL(mlx5_create_lag_demux_flow_table); -struct mlx5_flow_table *mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns, - int prio, - int num_flow_table_entries, - int max_num_groups, - u32 level, - u32 flags) +struct mlx5_flow_table* +mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns, + int prio, + int num_flow_table_entries, + int max_num_groups, + u32 level, + u32 flags) { + struct mlx5_flow_table_attr ft_attr = {}; struct mlx5_flow_table *ft; if (max_num_groups > num_flow_table_entries) return ERR_PTR(-EINVAL); - ft = mlx5_create_flow_table(ns, prio, num_flow_table_entries, level, flags); + ft_attr.max_fte = num_flow_table_entries; + ft_attr.prio = prio; + ft_attr.level = level; + ft_attr.flags = flags; + + ft = mlx5_create_flow_table(ns, &ft_attr); if (IS_ERR(ft)) return ft; @@ -1828,12 +1840,18 @@ static void set_prio_attrs(struct mlx5_flow_root_namespace *root_ns) static int create_anchor_flow_table(struct mlx5_flow_steering *steering) { struct mlx5_flow_namespace *ns = NULL; + struct mlx5_flow_table_attr ft_attr = {}; struct mlx5_flow_table *ft; ns = mlx5_get_flow_namespace(steering->dev, MLX5_FLOW_NAMESPACE_ANCHOR); if (WARN_ON(!ns)) return -EINVAL; - ft = mlx5_create_flow_table(ns, ANCHOR_PRIO, ANCHOR_SIZE, ANCHOR_LEVEL, 0); + + ft_attr.max_fte = ANCHOR_SIZE; + ft_attr.level = ANCHOR_LEVEL; + ft_attr.prio = ANCHOR_PRIO; + + ft = mlx5_create_flow_table(ns, &ft_attr); if (IS_ERR(ft)) { mlx5_core_err(steering->dev, "Failed to create last anchor flow table"); return PTR_ERR(ft); @@ -1887,9 +1905,6 @@ void mlx5_cleanup_fs(struct mlx5_core_dev *dev) { struct mlx5_flow_steering *steering = dev->priv.steering; - if (MLX5_CAP_GEN(dev, port_type) != MLX5_CAP_PORT_TYPE_ETH) - return; - cleanup_root_ns(steering->root_ns); cleanup_root_ns(steering->esw_egress_root_ns); cleanup_root_ns(steering->esw_ingress_root_ns); @@ -1992,9 +2007,6 @@ int mlx5_init_fs(struct mlx5_core_dev *dev) struct mlx5_flow_steering *steering; int err = 0; - if (MLX5_CAP_GEN(dev, port_type) != MLX5_CAP_PORT_TYPE_ETH) - return 0; - err = mlx5_init_fc_stats(dev); if (err) return err; @@ -2005,7 +2017,10 @@ int mlx5_init_fs(struct mlx5_core_dev *dev) steering->dev = dev; dev->priv.steering = steering; - if (MLX5_CAP_GEN(dev, nic_flow_table) && + if ((((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_ETH) && + (MLX5_CAP_GEN(dev, nic_flow_table))) || + ((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_IB) && + MLX5_CAP_GEN(dev, ipoib_enhanced_offloads))) && MLX5_CAP_FLOWTABLE_NIC_RX(dev, ft_support)) { err = init_root_ns(steering); if (err) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h index 03af2e7989f3..577d056bf3df 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h @@ -118,6 +118,7 @@ struct mlx5_flow_table { /* FWD rules that point on this flow table */ struct list_head fwd_rules; u32 flags; + u32 underlay_qpn; }; struct mlx5_fc_cache { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw.c b/drivers/net/ethernet/mellanox/mlx5/core/fw.c index d0bbefa08af7..1bc14d0fded8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fw.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fw.c @@ -137,7 +137,8 @@ int mlx5_query_hca_caps(struct mlx5_core_dev *dev) return err; } - if (MLX5_CAP_GEN(dev, nic_flow_table)) { + if (MLX5_CAP_GEN(dev, nic_flow_table) || + MLX5_CAP_GEN(dev, ipoib_enhanced_offloads)) { err = mlx5_core_get_caps(dev, MLX5_CAP_FLOW_TABLE); if (err) return err; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib.c new file mode 100644 index 000000000000..001d2953cb6d --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib.c @@ -0,0 +1,495 @@ +/* + * Copyright (c) 2017, Mellanox Technologies. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include <linux/mlx5/fs.h> +#include "en.h" +#include "ipoib.h" + +#define IB_DEFAULT_Q_KEY 0xb1b + +static int mlx5i_open(struct net_device *netdev); +static int mlx5i_close(struct net_device *netdev); +static int mlx5i_dev_init(struct net_device *dev); +static void mlx5i_dev_cleanup(struct net_device *dev); + +static const struct net_device_ops mlx5i_netdev_ops = { + .ndo_open = mlx5i_open, + .ndo_stop = mlx5i_close, + .ndo_init = mlx5i_dev_init, + .ndo_uninit = mlx5i_dev_cleanup, +}; + +/* IPoIB mlx5 netdev profile */ + +/* Called directly after IPoIB netdevice was created to initialize SW structs */ +static void mlx5i_init(struct mlx5_core_dev *mdev, + struct net_device *netdev, + const struct mlx5e_profile *profile, + void *ppriv) +{ + struct mlx5e_priv *priv = mlx5i_epriv(netdev); + + priv->mdev = mdev; + priv->netdev = netdev; + priv->profile = profile; + priv->ppriv = ppriv; + + mlx5e_build_nic_params(mdev, &priv->channels.params, profile->max_nch(mdev)); + + mutex_init(&priv->state_lock); + + netdev->hw_features |= NETIF_F_SG; + netdev->hw_features |= NETIF_F_IP_CSUM; + netdev->hw_features |= NETIF_F_IPV6_CSUM; + netdev->hw_features |= NETIF_F_GRO; + netdev->hw_features |= NETIF_F_TSO; + netdev->hw_features |= NETIF_F_TSO6; + netdev->hw_features |= NETIF_F_RXCSUM; + netdev->hw_features |= NETIF_F_RXHASH; + + netdev->netdev_ops = &mlx5i_netdev_ops; +} + +/* Called directly before IPoIB netdevice is destroyed to cleanup SW structs */ +static void mlx5i_cleanup(struct mlx5e_priv *priv) +{ + /* Do nothing .. */ +} + +#define MLX5_QP_ENHANCED_ULP_STATELESS_MODE 2 + +static int mlx5i_create_underlay_qp(struct mlx5_core_dev *mdev, struct mlx5_core_qp *qp) +{ + struct mlx5_qp_context *context = NULL; + u32 *in = NULL; + void *addr_path; + int ret = 0; + int inlen; + void *qpc; + + inlen = MLX5_ST_SZ_BYTES(create_qp_in); + in = mlx5_vzalloc(inlen); + if (!in) + return -ENOMEM; + + qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); + MLX5_SET(qpc, qpc, st, MLX5_QP_ST_UD); + MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED); + MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, + MLX5_QP_ENHANCED_ULP_STATELESS_MODE); + + addr_path = MLX5_ADDR_OF(qpc, qpc, primary_address_path); + MLX5_SET(ads, addr_path, port, 1); + MLX5_SET(ads, addr_path, grh, 1); + + ret = mlx5_core_create_qp(mdev, qp, in, inlen); + if (ret) { + mlx5_core_err(mdev, "Failed creating IPoIB QP err : %d\n", ret); + goto out; + } + + /* QP states */ + context = kzalloc(sizeof(*context), GFP_KERNEL); + if (!context) { + ret = -ENOMEM; + goto out; + } + + context->flags = cpu_to_be32(MLX5_QP_PM_MIGRATED << 11); + context->pri_path.port = 1; + context->qkey = cpu_to_be32(IB_DEFAULT_Q_KEY); + + ret = mlx5_core_qp_modify(mdev, MLX5_CMD_OP_RST2INIT_QP, 0, context, qp); + if (ret) { + mlx5_core_err(mdev, "Failed to modify qp RST2INIT, err: %d\n", ret); + goto out; + } + memset(context, 0, sizeof(*context)); + + ret = mlx5_core_qp_modify(mdev, MLX5_CMD_OP_INIT2RTR_QP, 0, context, qp); + if (ret) { + mlx5_core_err(mdev, "Failed to modify qp INIT2RTR, err: %d\n", ret); + goto out; + } + + ret = mlx5_core_qp_modify(mdev, MLX5_CMD_OP_RTR2RTS_QP, 0, context, qp); + if (ret) { + mlx5_core_err(mdev, "Failed to modify qp RTR2RTS, err: %d\n", ret); + goto out; + } + +out: + kfree(context); + kvfree(in); + return ret; +} + +static void mlx5i_destroy_underlay_qp(struct mlx5_core_dev *mdev, struct mlx5_core_qp *qp) +{ + mlx5_core_destroy_qp(mdev, qp); +} + +static int mlx5i_init_tx(struct mlx5e_priv *priv) +{ + struct mlx5i_priv *ipriv = priv->ppriv; + int err; + + err = mlx5i_create_underlay_qp(priv->mdev, &ipriv->qp); + if (err) { + mlx5_core_warn(priv->mdev, "create underlay QP failed, %d\n", err); + return err; + } + + err = mlx5e_create_tis(priv->mdev, 0 /* tc */, ipriv->qp.qpn, &priv->tisn[0]); + if (err) { + mlx5_core_warn(priv->mdev, "create tis failed, %d\n", err); + return err; + } + + return 0; +} + +void mlx5i_cleanup_tx(struct mlx5e_priv *priv) +{ + struct mlx5i_priv *ipriv = priv->ppriv; + + mlx5e_destroy_tis(priv->mdev, priv->tisn[0]); + mlx5i_destroy_underlay_qp(priv->mdev, &ipriv->qp); +} + +static int mlx5i_create_flow_steering(struct mlx5e_priv *priv) +{ + struct mlx5i_priv *ipriv = priv->ppriv; + int err; + + priv->fs.ns = mlx5_get_flow_namespace(priv->mdev, + MLX5_FLOW_NAMESPACE_KERNEL); + + if (!priv->fs.ns) + return -EINVAL; + + err = mlx5e_arfs_create_tables(priv); + if (err) { + netdev_err(priv->netdev, "Failed to create arfs tables, err=%d\n", + err); + priv->netdev->hw_features &= ~NETIF_F_NTUPLE; + } + + err = mlx5e_create_ttc_table(priv, ipriv->qp.qpn); + if (err) { + netdev_err(priv->netdev, "Failed to create ttc table, err=%d\n", + err); + goto err_destroy_arfs_tables; + } + + return 0; + +err_destroy_arfs_tables: + mlx5e_arfs_destroy_tables(priv); + + return err; +} + +static void mlx5i_destroy_flow_steering(struct mlx5e_priv *priv) +{ + mlx5e_destroy_ttc_table(priv); + mlx5e_arfs_destroy_tables(priv); +} + +static int mlx5i_init_rx(struct mlx5e_priv *priv) +{ + int err; + + err = mlx5e_create_indirect_rqt(priv); + if (err) + return err; + + err = mlx5e_create_direct_rqts(priv); + if (err) + goto err_destroy_indirect_rqts; + + err = mlx5e_create_indirect_tirs(priv); + if (err) + goto err_destroy_direct_rqts; + + err = mlx5e_create_direct_tirs(priv); + if (err) + goto err_destroy_indirect_tirs; + + err = mlx5i_create_flow_steering(priv); + if (err) + goto err_destroy_direct_tirs; + + return 0; + +err_destroy_direct_tirs: + mlx5e_destroy_direct_tirs(priv); +err_destroy_indirect_tirs: + mlx5e_destroy_indirect_tirs(priv); +err_destroy_direct_rqts: + mlx5e_destroy_direct_rqts(priv); +err_destroy_indirect_rqts: + mlx5e_destroy_rqt(priv, &priv->indir_rqt); + return err; +} + +static void mlx5i_cleanup_rx(struct mlx5e_priv *priv) +{ + mlx5i_destroy_flow_steering(priv); + mlx5e_destroy_direct_tirs(priv); + mlx5e_destroy_indirect_tirs(priv); + mlx5e_destroy_direct_rqts(priv); + mlx5e_destroy_rqt(priv, &priv->indir_rqt); +} + +static const struct mlx5e_profile mlx5i_nic_profile = { + .init = mlx5i_init, + .cleanup = mlx5i_cleanup, + .init_tx = mlx5i_init_tx, + .cleanup_tx = mlx5i_cleanup_tx, + .init_rx = mlx5i_init_rx, + .cleanup_rx = mlx5i_cleanup_rx, + .enable = NULL, /* mlx5i_enable */ + .disable = NULL, /* mlx5i_disable */ + .update_stats = NULL, /* mlx5i_update_stats */ + .max_nch = mlx5e_get_max_num_channels, + .rx_handlers.handle_rx_cqe = mlx5i_handle_rx_cqe, + .rx_handlers.handle_rx_cqe_mpwqe = NULL, /* Not supported */ + .max_tc = MLX5I_MAX_NUM_TC, +}; + +/* mlx5i netdev NDos */ + +static int mlx5i_dev_init(struct net_device *dev) +{ + struct mlx5e_priv *priv = mlx5i_epriv(dev); + struct mlx5i_priv *ipriv = priv->ppriv; + + /* Set dev address using underlay QP */ + dev->dev_addr[1] = (ipriv->qp.qpn >> 16) & 0xff; + dev->dev_addr[2] = (ipriv->qp.qpn >> 8) & 0xff; + dev->dev_addr[3] = (ipriv->qp.qpn) & 0xff; + + return 0; +} + +static void mlx5i_dev_cleanup(struct net_device *dev) +{ + struct mlx5e_priv *priv = mlx5i_epriv(dev); + struct mlx5_core_dev *mdev = priv->mdev; + struct mlx5i_priv *ipriv = priv->ppriv; + struct mlx5_qp_context context; + + /* detach qp from flow-steering by reset it */ + mlx5_core_qp_modify(mdev, MLX5_CMD_OP_2RST_QP, 0, &context, &ipriv->qp); +} + +static int mlx5i_open(struct net_device *netdev) +{ + struct mlx5e_priv *priv = mlx5i_epriv(netdev); + int err; + + mutex_lock(&priv->state_lock); + + set_bit(MLX5E_STATE_OPENED, &priv->state); + + err = mlx5e_open_channels(priv, &priv->channels); + if (err) + goto err_clear_state_opened_flag; + + mlx5e_refresh_tirs(priv, false); + mlx5e_activate_priv_channels(priv); + mutex_unlock(&priv->state_lock); + return 0; + +err_clear_state_opened_flag: + clear_bit(MLX5E_STATE_OPENED, &priv->state); + mutex_unlock(&priv->state_lock); + return err; +} + +static int mlx5i_close(struct net_device *netdev) +{ + struct mlx5e_priv *priv = mlx5i_epriv(netdev); + + /* May already be CLOSED in case a previous configuration operation + * (e.g RX/TX queue size change) that involves close&open failed. + */ + mutex_lock(&priv->state_lock); + + if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) + goto unlock; + + clear_bit(MLX5E_STATE_OPENED, &priv->state); + + netif_carrier_off(priv->netdev); + mlx5e_deactivate_priv_channels(priv); + mlx5e_close_channels(&priv->channels); +unlock: + mutex_unlock(&priv->state_lock); + return 0; +} + +/* IPoIB RDMA netdev callbacks */ +int mlx5i_attach_mcast(struct net_device *netdev, struct ib_device *hca, + union ib_gid *gid, u16 lid, int set_qkey) +{ + struct mlx5e_priv *epriv = mlx5i_epriv(netdev); + struct mlx5_core_dev *mdev = epriv->mdev; + struct mlx5i_priv *ipriv = epriv->ppriv; + int err; + + mlx5_core_dbg(mdev, "attaching QPN 0x%x, MGID %pI6\n", ipriv->qp.qpn, gid->raw); + err = mlx5_core_attach_mcg(mdev, gid, ipriv->qp.qpn); + if (err) + mlx5_core_warn(mdev, "failed attaching QPN 0x%x, MGID %pI6\n", + ipriv->qp.qpn, gid->raw); + + return err; +} + +int mlx5i_detach_mcast(struct net_device *netdev, struct ib_device *hca, + union ib_gid *gid, u16 lid) +{ + struct mlx5e_priv *epriv = mlx5i_epriv(netdev); + struct mlx5_core_dev *mdev = epriv->mdev; + struct mlx5i_priv *ipriv = epriv->ppriv; + int err; + + mlx5_core_dbg(mdev, "detaching QPN 0x%x, MGID %pI6\n", ipriv->qp.qpn, gid->raw); + + err = mlx5_core_detach_mcg(mdev, gid, ipriv->qp.qpn); + if (err) + mlx5_core_dbg(mdev, "failed dettaching QPN 0x%x, MGID %pI6\n", + ipriv->qp.qpn, gid->raw); + + return err; +} + +int mlx5i_xmit(struct net_device *dev, struct sk_buff *skb, + struct ib_ah *address, u32 dqpn, u32 dqkey) +{ + struct mlx5e_priv *epriv = mlx5i_epriv(dev); + struct mlx5e_txqsq *sq = epriv->txq2sq[skb_get_queue_mapping(skb)]; + struct mlx5_ib_ah *mah = to_mah(address); + + return mlx5i_sq_xmit(sq, skb, &mah->av, dqpn, dqkey); +} + +static int mlx5i_check_required_hca_cap(struct mlx5_core_dev *mdev) +{ + if (MLX5_CAP_GEN(mdev, port_type) != MLX5_CAP_PORT_TYPE_IB) + return -EOPNOTSUPP; + + if (!MLX5_CAP_GEN(mdev, ipoib_enhanced_offloads)) { + mlx5_core_warn(mdev, "IPoIB enhanced offloads are not supported\n"); + return -ENOTSUPP; + } + + return 0; +} + +struct net_device *mlx5_rdma_netdev_alloc(struct mlx5_core_dev *mdev, + struct ib_device *ibdev, + const char *name, + void (*setup)(struct net_device *)) +{ + const struct mlx5e_profile *profile = &mlx5i_nic_profile; + int nch = profile->max_nch(mdev); + struct net_device *netdev; + struct mlx5i_priv *ipriv; + struct mlx5e_priv *epriv; + int err; + + if (mlx5i_check_required_hca_cap(mdev)) { + mlx5_core_warn(mdev, "Accelerated mode is not supported\n"); + return ERR_PTR(-EOPNOTSUPP); + } + + /* This function should only be called once per mdev */ + err = mlx5e_create_mdev_resources(mdev); + if (err) + return NULL; + + netdev = alloc_netdev_mqs(sizeof(struct mlx5i_priv) + sizeof(struct mlx5e_priv), + name, NET_NAME_UNKNOWN, + setup, + nch * MLX5E_MAX_NUM_TC, + nch); + if (!netdev) { + mlx5_core_warn(mdev, "alloc_netdev_mqs failed\n"); + goto free_mdev_resources; + } + + ipriv = netdev_priv(netdev); + epriv = mlx5i_epriv(netdev); + + epriv->wq = create_singlethread_workqueue("mlx5i"); + if (!epriv->wq) + goto err_free_netdev; + + profile->init(mdev, netdev, profile, ipriv); + + mlx5e_attach_netdev(epriv); + netif_carrier_off(netdev); + + /* TODO: set rdma_netdev func pointers + * rn = &ipriv->rn; + * rn->hca = ibdev; + * rn->send = mlx5i_xmit; + * rn->attach_mcast = mlx5i_attach_mcast; + * rn->detach_mcast = mlx5i_detach_mcast; + */ + return netdev; + +free_mdev_resources: + mlx5e_destroy_mdev_resources(mdev); +err_free_netdev: + free_netdev(netdev); + return NULL; +} +EXPORT_SYMBOL(mlx5_rdma_netdev_alloc); + +void mlx5_rdma_netdev_free(struct net_device *netdev) +{ + struct mlx5e_priv *priv = mlx5i_epriv(netdev); + const struct mlx5e_profile *profile = priv->profile; + + mlx5e_detach_netdev(priv); + profile->cleanup(priv); + destroy_workqueue(priv->wq); + free_netdev(netdev); + + mlx5e_destroy_mdev_resources(priv->mdev); +} +EXPORT_SYMBOL(mlx5_rdma_netdev_free); + diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib.h b/drivers/net/ethernet/mellanox/mlx5/core/ipoib.h new file mode 100644 index 000000000000..bae0a5cbc8ad --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib.h @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2017, Mellanox Technologies. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef __MLX5E_IPOB_H__ +#define __MLX5E_IPOB_H__ + +#include <linux/mlx5/fs.h> +#include "en.h" + +#define MLX5I_MAX_NUM_TC 1 + +/* ipoib rdma netdev's private data structure */ +struct mlx5i_priv { + struct mlx5_core_qp qp; + char *mlx5e_priv[0]; +}; + +/* Extract mlx5e_priv from IPoIB netdev */ +#define mlx5i_epriv(netdev) ((void *)(((struct mlx5i_priv *)netdev_priv(netdev))->mlx5e_priv)) + +netdev_tx_t mlx5i_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb, + struct mlx5_av *av, u32 dqpn, u32 dqkey); +void mlx5i_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe); + +#endif /* __MLX5E_IPOB_H__ */ diff --git a/drivers/net/ethernet/qlogic/qed/qed.h b/drivers/net/ethernet/qlogic/qed/qed.h index 4896ee0cc458..c539ba138db9 100644 --- a/drivers/net/ethernet/qlogic/qed/qed.h +++ b/drivers/net/ethernet/qlogic/qed/qed.h @@ -504,6 +504,8 @@ struct qed_hwfn { u8 dcbx_no_edpm; u8 db_bar_no_edpm; + struct qed_ptt *p_arfs_ptt; + /* p_ptp_ptt is valid for leading HWFN only */ struct qed_ptt *p_ptp_ptt; struct qed_simd_fp_handler simd_proto_handler[64]; diff --git a/drivers/net/ethernet/qlogic/qed/qed_cxt.c b/drivers/net/ethernet/qlogic/qed/qed_cxt.c index 15ef6ebed6bb..b3aaa985956e 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_cxt.c +++ b/drivers/net/ethernet/qlogic/qed/qed_cxt.c @@ -219,9 +219,6 @@ struct qed_cxt_mngr { */ u32 vf_count; - /* total number of SRQ's for this hwfn */ - u32 srq_count; - /* Acquired CIDs */ struct qed_cid_acquired_map acquired[MAX_CONN_TYPES]; @@ -237,6 +234,12 @@ struct qed_cxt_mngr { u32 t2_num_pages; u64 first_free; u64 last_free; + + /* total number of SRQ's for this hwfn */ + u32 srq_count; + + /* Maximal number of L2 steering filters */ + u32 arfs_count; }; static bool src_proto(enum protocol_type type) { @@ -291,6 +294,9 @@ static void qed_cxt_src_iids(struct qed_cxt_mngr *p_mngr, iids->pf_cids += p_mngr->conn_cfg[i].cid_count; iids->per_vf_cids += p_mngr->conn_cfg[i].cids_per_vf; } + + /* Add L2 filtering filters in addition */ + iids->pf_cids += p_mngr->arfs_count; } /* counts the iids for the Timers block configuration */ @@ -2007,6 +2013,7 @@ int qed_cxt_set_pf_params(struct qed_hwfn *p_hwfn, u32 rdma_tasks) qed_cxt_set_proto_cid_count(p_hwfn, PROTOCOLID_ETH, p_params->num_cons, 1); + p_hwfn->p_cxt_mngr->arfs_count = p_params->num_arfs_filters; break; } case QED_PCI_FCOE: diff --git a/drivers/net/ethernet/qlogic/qed/qed_hsi.h b/drivers/net/ethernet/qlogic/qed/qed_hsi.h index 815c4ec5b458..858a57a73589 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_hsi.h +++ b/drivers/net/ethernet/qlogic/qed/qed_hsi.h @@ -3473,6 +3473,11 @@ void qed_set_geneve_dest_port(struct qed_hwfn *p_hwfn, void qed_set_geneve_enable(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool eth_geneve_enable, bool ip_geneve_enable); +void qed_set_rfs_mode_disable(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, u16 pf_id); +void qed_set_rfs_mode_enable(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, + u16 pf_id, bool tcp, bool udp, + bool ipv4, bool ipv6); #define YSTORM_FLOW_CONTROL_MODE_OFFSET (IRO[0].base) #define YSTORM_FLOW_CONTROL_MODE_SIZE (IRO[0].size) @@ -4862,6 +4867,18 @@ struct eth_vport_tx_mode { __le16 reserved2[3]; }; +enum gft_filter_update_action { + GFT_ADD_FILTER, + GFT_DELETE_FILTER, + MAX_GFT_FILTER_UPDATE_ACTION +}; + +enum gft_logic_filter_type { + GFT_FILTER_TYPE, + RFS_FILTER_TYPE, + MAX_GFT_LOGIC_FILTER_TYPE +}; + /* Ramrod data for rx queue start ramrod */ struct rx_queue_start_ramrod_data { __le16 rx_queue_id; @@ -4932,6 +4949,16 @@ struct rx_udp_filter_data { __le32 tenant_id; }; +struct rx_update_gft_filter_data { + struct regpair pkt_hdr_addr; + __le16 pkt_hdr_length; + __le16 rx_qid_or_action_icid; + u8 vport_id; + u8 filter_type; + u8 filter_action; + u8 reserved; +}; + /* Ramrod data for rx queue start ramrod */ struct tx_queue_start_ramrod_data { __le16 sb_id; @@ -5075,6 +5102,166 @@ struct vport_update_ramrod_data { struct eth_vport_rss_config rss_config; }; +struct gft_cam_line { + __le32 camline; +#define GFT_CAM_LINE_VALID_MASK 0x1 +#define GFT_CAM_LINE_VALID_SHIFT 0 +#define GFT_CAM_LINE_DATA_MASK 0x3FFF +#define GFT_CAM_LINE_DATA_SHIFT 1 +#define GFT_CAM_LINE_MASK_BITS_MASK 0x3FFF +#define GFT_CAM_LINE_MASK_BITS_SHIFT 15 +#define GFT_CAM_LINE_RESERVED1_MASK 0x7 +#define GFT_CAM_LINE_RESERVED1_SHIFT 29 +}; + +struct gft_cam_line_mapped { + __le32 camline; +#define GFT_CAM_LINE_MAPPED_VALID_MASK 0x1 +#define GFT_CAM_LINE_MAPPED_VALID_SHIFT 0 +#define GFT_CAM_LINE_MAPPED_IP_VERSION_MASK 0x1 +#define GFT_CAM_LINE_MAPPED_IP_VERSION_SHIFT 1 +#define GFT_CAM_LINE_MAPPED_TUNNEL_IP_VERSION_MASK 0x1 +#define GFT_CAM_LINE_MAPPED_TUNNEL_IP_VERSION_SHIFT 2 +#define GFT_CAM_LINE_MAPPED_UPPER_PROTOCOL_TYPE_MASK 0xF +#define GFT_CAM_LINE_MAPPED_UPPER_PROTOCOL_TYPE_SHIFT 3 +#define GFT_CAM_LINE_MAPPED_TUNNEL_TYPE_MASK 0xF +#define GFT_CAM_LINE_MAPPED_TUNNEL_TYPE_SHIFT 7 +#define GFT_CAM_LINE_MAPPED_PF_ID_MASK 0xF +#define GFT_CAM_LINE_MAPPED_PF_ID_SHIFT 11 +#define GFT_CAM_LINE_MAPPED_IP_VERSION_MASK_MASK 0x1 +#define GFT_CAM_LINE_MAPPED_IP_VERSION_MASK_SHIFT 15 +#define GFT_CAM_LINE_MAPPED_TUNNEL_IP_VERSION_MASK_MASK 0x1 +#define GFT_CAM_LINE_MAPPED_TUNNEL_IP_VERSION_MASK_SHIFT 16 +#define GFT_CAM_LINE_MAPPED_UPPER_PROTOCOL_TYPE_MASK_MASK 0xF +#define GFT_CAM_LINE_MAPPED_UPPER_PROTOCOL_TYPE_MASK_SHIFT 17 +#define GFT_CAM_LINE_MAPPED_TUNNEL_TYPE_MASK_MASK 0xF +#define GFT_CAM_LINE_MAPPED_TUNNEL_TYPE_MASK_SHIFT 21 +#define GFT_CAM_LINE_MAPPED_PF_ID_MASK_MASK 0xF +#define GFT_CAM_LINE_MAPPED_PF_ID_MASK_SHIFT 25 +#define GFT_CAM_LINE_MAPPED_RESERVED1_MASK 0x7 +#define GFT_CAM_LINE_MAPPED_RESERVED1_SHIFT 29 +}; + +union gft_cam_line_union { + struct gft_cam_line cam_line; + struct gft_cam_line_mapped cam_line_mapped; +}; + +enum gft_profile_ip_version { + GFT_PROFILE_IPV4 = 0, + GFT_PROFILE_IPV6 = 1, + MAX_GFT_PROFILE_IP_VERSION +}; + +enum gft_profile_upper_protocol_type { + GFT_PROFILE_ROCE_PROTOCOL = 0, + GFT_PROFILE_RROCE_PROTOCOL = 1, + GFT_PROFILE_FCOE_PROTOCOL = 2, + GFT_PROFILE_ICMP_PROTOCOL = 3, + GFT_PROFILE_ARP_PROTOCOL = 4, + GFT_PROFILE_USER_TCP_SRC_PORT_1_INNER = 5, + GFT_PROFILE_USER_TCP_DST_PORT_1_INNER = 6, + GFT_PROFILE_TCP_PROTOCOL = 7, + GFT_PROFILE_USER_UDP_DST_PORT_1_INNER = 8, + GFT_PROFILE_USER_UDP_DST_PORT_2_OUTER = 9, + GFT_PROFILE_UDP_PROTOCOL = 10, + GFT_PROFILE_USER_IP_1_INNER = 11, + GFT_PROFILE_USER_IP_2_OUTER = 12, + GFT_PROFILE_USER_ETH_1_INNER = 13, + GFT_PROFILE_USER_ETH_2_OUTER = 14, + GFT_PROFILE_RAW = 15, + MAX_GFT_PROFILE_UPPER_PROTOCOL_TYPE +}; + +struct gft_ram_line { + __le32 low32bits; +#define GFT_RAM_LINE_VLAN_SELECT_MASK 0x3 +#define GFT_RAM_LINE_VLAN_SELECT_SHIFT 0 +#define GFT_RAM_LINE_TUNNEL_ENTROPHY_MASK 0x1 +#define GFT_RAM_LINE_TUNNEL_ENTROPHY_SHIFT 2 +#define GFT_RAM_LINE_TUNNEL_TTL_EQUAL_ONE_MASK 0x1 +#define GFT_RAM_LINE_TUNNEL_TTL_EQUAL_ONE_SHIFT 3 +#define GFT_RAM_LINE_TUNNEL_TTL_MASK 0x1 +#define GFT_RAM_LINE_TUNNEL_TTL_SHIFT 4 +#define GFT_RAM_LINE_TUNNEL_ETHERTYPE_MASK 0x1 +#define GFT_RAM_LINE_TUNNEL_ETHERTYPE_SHIFT 5 +#define GFT_RAM_LINE_TUNNEL_DST_PORT_MASK 0x1 +#define GFT_RAM_LINE_TUNNEL_DST_PORT_SHIFT 6 +#define GFT_RAM_LINE_TUNNEL_SRC_PORT_MASK 0x1 +#define GFT_RAM_LINE_TUNNEL_SRC_PORT_SHIFT 7 +#define GFT_RAM_LINE_TUNNEL_DSCP_MASK 0x1 +#define GFT_RAM_LINE_TUNNEL_DSCP_SHIFT 8 +#define GFT_RAM_LINE_TUNNEL_OVER_IP_PROTOCOL_MASK 0x1 +#define GFT_RAM_LINE_TUNNEL_OVER_IP_PROTOCOL_SHIFT 9 +#define GFT_RAM_LINE_TUNNEL_DST_IP_MASK 0x1 +#define GFT_RAM_LINE_TUNNEL_DST_IP_SHIFT 10 +#define GFT_RAM_LINE_TUNNEL_SRC_IP_MASK 0x1 +#define GFT_RAM_LINE_TUNNEL_SRC_IP_SHIFT 11 +#define GFT_RAM_LINE_TUNNEL_PRIORITY_MASK 0x1 +#define GFT_RAM_LINE_TUNNEL_PRIORITY_SHIFT 12 +#define GFT_RAM_LINE_TUNNEL_PROVIDER_VLAN_MASK 0x1 +#define GFT_RAM_LINE_TUNNEL_PROVIDER_VLAN_SHIFT 13 +#define GFT_RAM_LINE_TUNNEL_VLAN_MASK 0x1 +#define GFT_RAM_LINE_TUNNEL_VLAN_SHIFT 14 +#define GFT_RAM_LINE_TUNNEL_DST_MAC_MASK 0x1 +#define GFT_RAM_LINE_TUNNEL_DST_MAC_SHIFT 15 +#define GFT_RAM_LINE_TUNNEL_SRC_MAC_MASK 0x1 +#define GFT_RAM_LINE_TUNNEL_SRC_MAC_SHIFT 16 +#define GFT_RAM_LINE_TTL_EQUAL_ONE_MASK 0x1 +#define GFT_RAM_LINE_TTL_EQUAL_ONE_SHIFT 17 +#define GFT_RAM_LINE_TTL_MASK 0x1 +#define GFT_RAM_LINE_TTL_SHIFT 18 +#define GFT_RAM_LINE_ETHERTYPE_MASK 0x1 +#define GFT_RAM_LINE_ETHERTYPE_SHIFT 19 +#define GFT_RAM_LINE_RESERVED0_MASK 0x1 +#define GFT_RAM_LINE_RESERVED0_SHIFT 20 +#define GFT_RAM_LINE_TCP_FLAG_FIN_MASK 0x1 +#define GFT_RAM_LINE_TCP_FLAG_FIN_SHIFT 21 +#define GFT_RAM_LINE_TCP_FLAG_SYN_MASK 0x1 +#define GFT_RAM_LINE_TCP_FLAG_SYN_SHIFT 22 +#define GFT_RAM_LINE_TCP_FLAG_RST_MASK 0x1 +#define GFT_RAM_LINE_TCP_FLAG_RST_SHIFT 23 +#define GFT_RAM_LINE_TCP_FLAG_PSH_MASK 0x1 +#define GFT_RAM_LINE_TCP_FLAG_PSH_SHIFT 24 +#define GFT_RAM_LINE_TCP_FLAG_ACK_MASK 0x1 +#define GFT_RAM_LINE_TCP_FLAG_ACK_SHIFT 25 +#define GFT_RAM_LINE_TCP_FLAG_URG_MASK 0x1 +#define GFT_RAM_LINE_TCP_FLAG_URG_SHIFT 26 +#define GFT_RAM_LINE_TCP_FLAG_ECE_MASK 0x1 +#define GFT_RAM_LINE_TCP_FLAG_ECE_SHIFT 27 +#define GFT_RAM_LINE_TCP_FLAG_CWR_MASK 0x1 +#define GFT_RAM_LINE_TCP_FLAG_CWR_SHIFT 28 +#define GFT_RAM_LINE_TCP_FLAG_NS_MASK 0x1 +#define GFT_RAM_LINE_TCP_FLAG_NS_SHIFT 29 +#define GFT_RAM_LINE_DST_PORT_MASK 0x1 +#define GFT_RAM_LINE_DST_PORT_SHIFT 30 +#define GFT_RAM_LINE_SRC_PORT_MASK 0x1 +#define GFT_RAM_LINE_SRC_PORT_SHIFT 31 + __le32 high32bits; +#define GFT_RAM_LINE_DSCP_MASK 0x1 +#define GFT_RAM_LINE_DSCP_SHIFT 0 +#define GFT_RAM_LINE_OVER_IP_PROTOCOL_MASK 0x1 +#define GFT_RAM_LINE_OVER_IP_PROTOCOL_SHIFT 1 +#define GFT_RAM_LINE_DST_IP_MASK 0x1 +#define GFT_RAM_LINE_DST_IP_SHIFT 2 +#define GFT_RAM_LINE_SRC_IP_MASK 0x1 +#define GFT_RAM_LINE_SRC_IP_SHIFT 3 +#define GFT_RAM_LINE_PRIORITY_MASK 0x1 +#define GFT_RAM_LINE_PRIORITY_SHIFT 4 +#define GFT_RAM_LINE_PROVIDER_VLAN_MASK 0x1 +#define GFT_RAM_LINE_PROVIDER_VLAN_SHIFT 5 +#define GFT_RAM_LINE_VLAN_MASK 0x1 +#define GFT_RAM_LINE_VLAN_SHIFT 6 +#define GFT_RAM_LINE_DST_MAC_MASK 0x1 +#define GFT_RAM_LINE_DST_MAC_SHIFT 7 +#define GFT_RAM_LINE_SRC_MAC_MASK 0x1 +#define GFT_RAM_LINE_SRC_MAC_SHIFT 8 +#define GFT_RAM_LINE_TENANT_ID_MASK 0x1 +#define GFT_RAM_LINE_TENANT_ID_SHIFT 9 +#define GFT_RAM_LINE_RESERVED1_MASK 0x3FFFFF +#define GFT_RAM_LINE_RESERVED1_SHIFT 10 +}; + struct mstorm_eth_conn_ag_ctx { u8 byte0; u8 byte1; diff --git a/drivers/net/ethernet/qlogic/qed/qed_init_fw_funcs.c b/drivers/net/ethernet/qlogic/qed/qed_init_fw_funcs.c index 2a50e2b7568f..67200c5498ab 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_init_fw_funcs.c +++ b/drivers/net/ethernet/qlogic/qed/qed_init_fw_funcs.c @@ -961,3 +961,132 @@ void qed_set_geneve_enable(struct qed_hwfn *p_hwfn, qed_wr(p_hwfn, p_ptt, DORQ_REG_L2_EDPM_TUNNEL_NGE_IP_EN, ip_geneve_enable ? 1 : 0); } + +#define T_ETH_PACKET_MATCH_RFS_EVENTID 25 +#define PARSER_ETH_CONN_CM_HDR (0x0) +#define CAM_LINE_SIZE sizeof(u32) +#define RAM_LINE_SIZE sizeof(u64) +#define REG_SIZE sizeof(u32) + +void qed_set_rfs_mode_disable(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, u16 pf_id) +{ + union gft_cam_line_union camline; + struct gft_ram_line ramline; + u32 *p_ramline, i; + + p_ramline = (u32 *)&ramline; + + /*stop using gft logic */ + qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_GFT, 0); + qed_wr(p_hwfn, p_ptt, PRS_REG_CM_HDR_GFT, 0x0); + memset(&camline, 0, sizeof(union gft_cam_line_union)); + qed_wr(p_hwfn, p_ptt, PRS_REG_GFT_CAM + CAM_LINE_SIZE * pf_id, + camline.cam_line_mapped.camline); + memset(&ramline, 0, sizeof(union gft_cam_line_union)); + + for (i = 0; i < RAM_LINE_SIZE / REG_SIZE; i++) { + u32 hw_addr = PRS_REG_GFT_PROFILE_MASK_RAM; + + hw_addr += (RAM_LINE_SIZE * pf_id + i * REG_SIZE); + + qed_wr(p_hwfn, p_ptt, hw_addr, *(p_ramline + i)); + } +} + +void qed_set_rfs_mode_enable(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, + u16 pf_id, bool tcp, bool udp, + bool ipv4, bool ipv6) +{ + u32 rfs_cm_hdr_event_id, *p_ramline; + union gft_cam_line_union camline; + struct gft_ram_line ramline; + int i; + + rfs_cm_hdr_event_id = qed_rd(p_hwfn, p_ptt, PRS_REG_CM_HDR_GFT); + p_ramline = (u32 *)&ramline; + + if (!ipv6 && !ipv4) + DP_NOTICE(p_hwfn, + "set_rfs_mode_enable: must accept at least on of - ipv4 or ipv6"); + if (!tcp && !udp) + DP_NOTICE(p_hwfn, + "set_rfs_mode_enable: must accept at least on of - udp or tcp"); + + rfs_cm_hdr_event_id |= T_ETH_PACKET_MATCH_RFS_EVENTID << + PRS_REG_CM_HDR_GFT_EVENT_ID_SHIFT; + rfs_cm_hdr_event_id |= PARSER_ETH_CONN_CM_HDR << + PRS_REG_CM_HDR_GFT_CM_HDR_SHIFT; + qed_wr(p_hwfn, p_ptt, PRS_REG_CM_HDR_GFT, rfs_cm_hdr_event_id); + + /* Configure Registers for RFS mode */ + qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_GFT, 1); + qed_wr(p_hwfn, p_ptt, PRS_REG_LOAD_L2_FILTER, 0); + camline.cam_line_mapped.camline = 0; + + /* cam line is now valid!! */ + SET_FIELD(camline.cam_line_mapped.camline, + GFT_CAM_LINE_MAPPED_VALID, 1); + + /* filters are per PF!! */ + SET_FIELD(camline.cam_line_mapped.camline, + GFT_CAM_LINE_MAPPED_PF_ID_MASK, 1); + SET_FIELD(camline.cam_line_mapped.camline, + GFT_CAM_LINE_MAPPED_PF_ID, pf_id); + if (!(tcp && udp)) { + SET_FIELD(camline.cam_line_mapped.camline, + GFT_CAM_LINE_MAPPED_UPPER_PROTOCOL_TYPE_MASK, 1); + if (tcp) + SET_FIELD(camline.cam_line_mapped.camline, + GFT_CAM_LINE_MAPPED_UPPER_PROTOCOL_TYPE, + GFT_PROFILE_TCP_PROTOCOL); + else + SET_FIELD(camline.cam_line_mapped.camline, + GFT_CAM_LINE_MAPPED_UPPER_PROTOCOL_TYPE, + GFT_PROFILE_UDP_PROTOCOL); + } + + if (!(ipv4 && ipv6)) { + SET_FIELD(camline.cam_line_mapped.camline, + GFT_CAM_LINE_MAPPED_IP_VERSION_MASK, 1); + if (ipv4) + SET_FIELD(camline.cam_line_mapped.camline, + GFT_CAM_LINE_MAPPED_IP_VERSION, + GFT_PROFILE_IPV4); + else + SET_FIELD(camline.cam_line_mapped.camline, + GFT_CAM_LINE_MAPPED_IP_VERSION, + GFT_PROFILE_IPV6); + } + + /* write characteristics to cam */ + qed_wr(p_hwfn, p_ptt, PRS_REG_GFT_CAM + CAM_LINE_SIZE * pf_id, + camline.cam_line_mapped.camline); + camline.cam_line_mapped.camline = qed_rd(p_hwfn, p_ptt, + PRS_REG_GFT_CAM + + CAM_LINE_SIZE * pf_id); + + /* write line to RAM - compare to filter 4 tuple */ + ramline.low32bits = 0; + ramline.high32bits = 0; + SET_FIELD(ramline.high32bits, GFT_RAM_LINE_DST_IP, 1); + SET_FIELD(ramline.high32bits, GFT_RAM_LINE_SRC_IP, 1); + SET_FIELD(ramline.low32bits, GFT_RAM_LINE_SRC_PORT, 1); + SET_FIELD(ramline.low32bits, GFT_RAM_LINE_DST_PORT, 1); + + /* each iteration write to reg */ + for (i = 0; i < RAM_LINE_SIZE / REG_SIZE; i++) + qed_wr(p_hwfn, p_ptt, + PRS_REG_GFT_PROFILE_MASK_RAM + RAM_LINE_SIZE * pf_id + + i * REG_SIZE, *(p_ramline + i)); + + /* set default profile so that no filter match will happen */ + ramline.low32bits = 0xffff; + ramline.high32bits = 0xffff; + + for (i = 0; i < RAM_LINE_SIZE / REG_SIZE; i++) + qed_wr(p_hwfn, p_ptt, + PRS_REG_GFT_PROFILE_MASK_RAM + RAM_LINE_SIZE * + PRS_GFT_CAM_LINES_NO_MATCH + i * REG_SIZE, + *(p_ramline + i)); +} diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.c b/drivers/net/ethernet/qlogic/qed/qed_l2.c index d56441da87c5..eb5e280eb104 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_l2.c +++ b/drivers/net/ethernet/qlogic/qed/qed_l2.c @@ -1799,6 +1799,84 @@ void qed_reset_vport_stats(struct qed_dev *cdev) _qed_get_vport_stats(cdev, cdev->reset_stats); } +static void +qed_arfs_mode_configure(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, + struct qed_arfs_config_params *p_cfg_params) +{ + if (p_cfg_params->arfs_enable) { + qed_set_rfs_mode_enable(p_hwfn, p_ptt, p_hwfn->rel_pf_id, + p_cfg_params->tcp, p_cfg_params->udp, + p_cfg_params->ipv4, p_cfg_params->ipv6); + DP_VERBOSE(p_hwfn, QED_MSG_SP, + "tcp = %s, udp = %s, ipv4 = %s, ipv6 =%s\n", + p_cfg_params->tcp ? "Enable" : "Disable", + p_cfg_params->udp ? "Enable" : "Disable", + p_cfg_params->ipv4 ? "Enable" : "Disable", + p_cfg_params->ipv6 ? "Enable" : "Disable"); + } else { + qed_set_rfs_mode_disable(p_hwfn, p_ptt, p_hwfn->rel_pf_id); + } + + DP_VERBOSE(p_hwfn, QED_MSG_SP, "Configured ARFS mode : %s\n", + p_cfg_params->arfs_enable ? "Enable" : "Disable"); +} + +static int +qed_configure_rfs_ntuple_filter(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, + struct qed_spq_comp_cb *p_cb, + dma_addr_t p_addr, u16 length, u16 qid, + u8 vport_id, bool b_is_add) +{ + struct rx_update_gft_filter_data *p_ramrod = NULL; + struct qed_spq_entry *p_ent = NULL; + struct qed_sp_init_data init_data; + u16 abs_rx_q_id = 0; + u8 abs_vport_id = 0; + int rc = -EINVAL; + + rc = qed_fw_vport(p_hwfn, vport_id, &abs_vport_id); + if (rc) + return rc; + + rc = qed_fw_l2_queue(p_hwfn, qid, &abs_rx_q_id); + if (rc) + return rc; + + /* Get SPQ entry */ + memset(&init_data, 0, sizeof(init_data)); + init_data.cid = qed_spq_get_cid(p_hwfn); + + init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; + + if (p_cb) { + init_data.comp_mode = QED_SPQ_MODE_CB; + init_data.p_comp_data = p_cb; + } else { + init_data.comp_mode = QED_SPQ_MODE_EBLOCK; + } + + rc = qed_sp_init_request(p_hwfn, &p_ent, + ETH_RAMROD_GFT_UPDATE_FILTER, + PROTOCOLID_ETH, &init_data); + if (rc) + return rc; + + p_ramrod = &p_ent->ramrod.rx_update_gft; + DMA_REGPAIR_LE(p_ramrod->pkt_hdr_addr, p_addr); + p_ramrod->pkt_hdr_length = cpu_to_le16(length); + p_ramrod->rx_qid_or_action_icid = cpu_to_le16(abs_rx_q_id); + p_ramrod->vport_id = abs_vport_id; + p_ramrod->filter_type = RFS_FILTER_TYPE; + p_ramrod->filter_action = b_is_add ? GFT_ADD_FILTER : GFT_DELETE_FILTER; + + DP_VERBOSE(p_hwfn, QED_MSG_SP, + "V[%0x], Q[%04x] - %s filter from 0x%llx [length %04xb]\n", + abs_vport_id, abs_rx_q_id, + b_is_add ? "Adding" : "Removing", (u64)p_addr, length); + + return qed_spq_post(p_hwfn, p_ent, NULL); +} + static int qed_fill_eth_dev_info(struct qed_dev *cdev, struct qed_dev_eth_info *info) { @@ -2356,6 +2434,59 @@ static int qed_configure_filter(struct qed_dev *cdev, } } +static int qed_configure_arfs_searcher(struct qed_dev *cdev, bool en_searcher) +{ + struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); + struct qed_arfs_config_params arfs_config_params; + + memset(&arfs_config_params, 0, sizeof(arfs_config_params)); + arfs_config_params.tcp = true; + arfs_config_params.udp = true; + arfs_config_params.ipv4 = true; + arfs_config_params.ipv6 = true; + arfs_config_params.arfs_enable = en_searcher; + + qed_arfs_mode_configure(p_hwfn, p_hwfn->p_arfs_ptt, + &arfs_config_params); + return 0; +} + +static void +qed_arfs_sp_response_handler(struct qed_hwfn *p_hwfn, + void *cookie, union event_ring_data *data, + u8 fw_return_code) +{ + struct qed_common_cb_ops *op = p_hwfn->cdev->protocol_ops.common; + void *dev = p_hwfn->cdev->ops_cookie; + + op->arfs_filter_op(dev, cookie, fw_return_code); +} + +static int qed_ntuple_arfs_filter_config(struct qed_dev *cdev, void *cookie, + dma_addr_t mapping, u16 length, + u16 vport_id, u16 rx_queue_id, + bool add_filter) +{ + struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); + struct qed_spq_comp_cb cb; + int rc = -EINVAL; + + cb.function = qed_arfs_sp_response_handler; + cb.cookie = cookie; + + rc = qed_configure_rfs_ntuple_filter(p_hwfn, p_hwfn->p_arfs_ptt, + &cb, mapping, length, rx_queue_id, + vport_id, add_filter); + if (rc) + DP_NOTICE(p_hwfn, + "Failed to issue a-RFS filter configuration\n"); + else + DP_VERBOSE(p_hwfn, NETIF_MSG_DRV, + "Successfully issued a-RFS filter configuration\n"); + + return rc; +} + static int qed_fp_cqe_completion(struct qed_dev *dev, u8 rss_id, struct eth_slow_path_rx_cqe *cqe) { @@ -2397,6 +2528,8 @@ static const struct qed_eth_ops qed_eth_ops_pass = { .eth_cqe_completion = &qed_fp_cqe_completion, .get_vport_stats = &qed_get_vport_stats, .tunn_config = &qed_tunn_configure, + .ntuple_filter_config = &qed_ntuple_arfs_filter_config, + .configure_arfs_searcher = &qed_configure_arfs_searcher, }; const struct qed_eth_ops *qed_get_eth_ops(void) diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.h b/drivers/net/ethernet/qlogic/qed/qed_l2.h index e763abd334f6..6f44229899eb 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_l2.h +++ b/drivers/net/ethernet/qlogic/qed/qed_l2.h @@ -185,6 +185,14 @@ struct qed_filter_accept_flags { #define QED_ACCEPT_BCAST 0x20 }; +struct qed_arfs_config_params { + bool tcp; + bool udp; + bool ipv4; + bool ipv6; + bool arfs_enable; +}; + struct qed_sp_vport_update_params { u16 opaque_fid; u8 vport_id; diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c index 029f431e89ec..da562cf8a965 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_main.c +++ b/drivers/net/ethernet/qlogic/qed/qed_main.c @@ -883,6 +883,9 @@ static void qed_update_pf_params(struct qed_dev *cdev, params->rdma_pf_params.gl_pi = QED_ROCE_PROTOCOL_INDEX; } + if (cdev->num_hwfns > 1 || IS_VF(cdev)) + params->eth_pf_params.num_arfs_filters = 0; + /* In case we might support RDMA, don't allow qede to be greedy * with the L2 contexts. Allow for 64 queues [rx, tx, xdp] per hwfn. */ @@ -926,6 +929,18 @@ static int qed_slowpath_start(struct qed_dev *cdev, goto err; } +#ifdef CONFIG_RFS_ACCEL + if (cdev->num_hwfns == 1) { + p_ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev)); + if (p_ptt) { + QED_LEADING_HWFN(cdev)->p_arfs_ptt = p_ptt; + } else { + DP_NOTICE(cdev, + "Failed to acquire PTT for aRFS\n"); + goto err; + } + } +#endif p_ptt = qed_ptt_acquire(QED_LEADING_HWFN(cdev)); if (p_ptt) { QED_LEADING_HWFN(cdev)->p_ptp_ptt = p_ptt; @@ -1032,6 +1047,12 @@ err: if (IS_PF(cdev)) release_firmware(cdev->firmware); +#ifdef CONFIG_RFS_ACCEL + if (IS_PF(cdev) && (cdev->num_hwfns == 1) && + QED_LEADING_HWFN(cdev)->p_arfs_ptt) + qed_ptt_release(QED_LEADING_HWFN(cdev), + QED_LEADING_HWFN(cdev)->p_arfs_ptt); +#endif if (IS_PF(cdev) && QED_LEADING_HWFN(cdev)->p_ptp_ptt) qed_ptt_release(QED_LEADING_HWFN(cdev), QED_LEADING_HWFN(cdev)->p_ptp_ptt); @@ -1049,6 +1070,11 @@ static int qed_slowpath_stop(struct qed_dev *cdev) qed_ll2_dealloc_if(cdev); if (IS_PF(cdev)) { +#ifdef CONFIG_RFS_ACCEL + if (cdev->num_hwfns == 1) + qed_ptt_release(QED_LEADING_HWFN(cdev), + QED_LEADING_HWFN(cdev)->p_arfs_ptt); +#endif qed_ptt_release(QED_LEADING_HWFN(cdev), QED_LEADING_HWFN(cdev)->p_ptp_ptt); qed_free_stream_mem(cdev); diff --git a/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h b/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h index e65397360ab4..1ae73b2d6d1e 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h +++ b/drivers/net/ethernet/qlogic/qed/qed_reg_addr.h @@ -1560,4 +1560,12 @@ #define NIG_REG_TSGEN_FREECNT_UPDATE_K2 0x509008UL #define CNIG_REG_NIG_PORT0_CONF_K2 0x218200UL +#define PRS_REG_SEARCH_GFT 0x1f11bcUL +#define PRS_REG_CM_HDR_GFT 0x1f11c8UL +#define PRS_REG_GFT_CAM 0x1f1100UL +#define PRS_REG_GFT_PROFILE_MASK_RAM 0x1f1000UL +#define PRS_REG_CM_HDR_GFT_EVENT_ID_SHIFT 0 +#define PRS_REG_CM_HDR_GFT_CM_HDR_SHIFT 8 +#define PRS_REG_LOAD_L2_FILTER 0x1f0198UL + #endif diff --git a/drivers/net/ethernet/qlogic/qed/qed_sp.h b/drivers/net/ethernet/qlogic/qed/qed_sp.h index 30393ffaa8e5..583c8d38c8d7 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_sp.h +++ b/drivers/net/ethernet/qlogic/qed/qed_sp.h @@ -84,6 +84,7 @@ union ramrod_data { struct tx_queue_stop_ramrod_data tx_queue_stop; struct vport_start_ramrod_data vport_start; struct vport_stop_ramrod_data vport_stop; + struct rx_update_gft_filter_data rx_update_gft; struct vport_update_ramrod_data vport_update; struct core_rx_start_ramrod_data core_rx_queue_start; struct core_rx_stop_ramrod_data core_rx_queue_stop; diff --git a/drivers/net/ethernet/qlogic/qede/qede.h b/drivers/net/ethernet/qlogic/qede/qede.h index 5e7ad25db8ad..7e18ae6dec51 100644 --- a/drivers/net/ethernet/qlogic/qede/qede.h +++ b/drivers/net/ethernet/qlogic/qede/qede.h @@ -41,6 +41,9 @@ #include <linux/mutex.h> #include <linux/bpf.h> #include <linux/io.h> +#ifdef CONFIG_RFS_ACCEL +#include <linux/cpu_rmap.h> +#endif #include <linux/qed/common_hsi.h> #include <linux/qed/eth_common.h> #include <linux/qed/qed_if.h> @@ -237,7 +240,10 @@ struct qede_dev { u16 vxlan_dst_port; u16 geneve_dst_port; - bool wol_enabled; +#ifdef CONFIG_RFS_ACCEL + struct qede_arfs *arfs; +#endif + bool wol_enabled; struct qede_rdma_dev rdma_info; @@ -439,6 +445,20 @@ struct qede_fastpath { #define QEDE_SP_VXLAN_PORT_CONFIG 2 #define QEDE_SP_GENEVE_PORT_CONFIG 3 +#ifdef CONFIG_RFS_ACCEL +int qede_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb, + u16 rxq_index, u32 flow_id); +void qede_process_arfs_filters(struct qede_dev *edev, bool free_fltr); +void qede_poll_for_freeing_arfs_filters(struct qede_dev *edev); +void qede_arfs_filter_op(void *dev, void *filter, u8 fw_rc); +void qede_free_arfs(struct qede_dev *edev); +int qede_alloc_arfs(struct qede_dev *edev); + +#define QEDE_SP_ARFS_CONFIG 4 +#define QEDE_SP_TASK_POLL_DELAY (5 * HZ) +#define QEDE_RFS_MAX_FLTR 256 +#endif + struct qede_reload_args { void (*func)(struct qede_dev *edev, struct qede_reload_args *args); union { diff --git a/drivers/net/ethernet/qlogic/qede/qede_filter.c b/drivers/net/ethernet/qlogic/qede/qede_filter.c index b00a4fce44b7..8c594a3ca63b 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_filter.c +++ b/drivers/net/ethernet/qlogic/qede/qede_filter.c @@ -38,6 +38,447 @@ #include <linux/qed/qed_if.h> #include "qede.h" +#ifdef CONFIG_RFS_ACCEL +struct qede_arfs_tuple { + union { + __be32 src_ipv4; + struct in6_addr src_ipv6; + }; + union { + __be32 dst_ipv4; + struct in6_addr dst_ipv6; + }; + __be16 src_port; + __be16 dst_port; + __be16 eth_proto; + u8 ip_proto; +}; + +struct qede_arfs_fltr_node { +#define QEDE_FLTR_VALID 0 + unsigned long state; + + /* pointer to aRFS packet buffer */ + void *data; + + /* dma map address of aRFS packet buffer */ + dma_addr_t mapping; + + /* length of aRFS packet buffer */ + int buf_len; + + /* tuples to hold from aRFS packet buffer */ + struct qede_arfs_tuple tuple; + + u32 flow_id; + u16 sw_id; + u16 rxq_id; + u16 next_rxq_id; + bool filter_op; + bool used; + struct hlist_node node; +}; + +struct qede_arfs { +#define QEDE_ARFS_POLL_COUNT 100 +#define QEDE_RFS_FLW_BITSHIFT (4) +#define QEDE_RFS_FLW_MASK ((1 << QEDE_RFS_FLW_BITSHIFT) - 1) + struct hlist_head arfs_hl_head[1 << QEDE_RFS_FLW_BITSHIFT]; + + /* lock for filter list access */ + spinlock_t arfs_list_lock; + unsigned long *arfs_fltr_bmap; + int filter_count; + bool enable; +}; + +static void qede_configure_arfs_fltr(struct qede_dev *edev, + struct qede_arfs_fltr_node *n, + u16 rxq_id, bool add_fltr) +{ + const struct qed_eth_ops *op = edev->ops; + + if (n->used) + return; + + DP_VERBOSE(edev, NETIF_MSG_RX_STATUS, + "%s arfs filter flow_id=%d, sw_id=%d, src_port=%d, dst_port=%d, rxq=%d\n", + add_fltr ? "Adding" : "Deleting", + n->flow_id, n->sw_id, ntohs(n->tuple.src_port), + ntohs(n->tuple.dst_port), rxq_id); + + n->used = true; + n->filter_op = add_fltr; + op->ntuple_filter_config(edev->cdev, n, n->mapping, n->buf_len, 0, + rxq_id, add_fltr); +} + +static void +qede_free_arfs_filter(struct qede_dev *edev, struct qede_arfs_fltr_node *fltr) +{ + kfree(fltr->data); + clear_bit(fltr->sw_id, edev->arfs->arfs_fltr_bmap); + kfree(fltr); +} + +void qede_arfs_filter_op(void *dev, void *filter, u8 fw_rc) +{ + struct qede_arfs_fltr_node *fltr = filter; + struct qede_dev *edev = dev; + + if (fw_rc) { + DP_NOTICE(edev, + "Failed arfs filter configuration fw_rc=%d, flow_id=%d, sw_id=%d, src_port=%d, dst_port=%d, rxq=%d\n", + fw_rc, fltr->flow_id, fltr->sw_id, + ntohs(fltr->tuple.src_port), + ntohs(fltr->tuple.dst_port), fltr->rxq_id); + + spin_lock_bh(&edev->arfs->arfs_list_lock); + + fltr->used = false; + clear_bit(QEDE_FLTR_VALID, &fltr->state); + + spin_unlock_bh(&edev->arfs->arfs_list_lock); + return; + } + + spin_lock_bh(&edev->arfs->arfs_list_lock); + + fltr->used = false; + + if (fltr->filter_op) { + set_bit(QEDE_FLTR_VALID, &fltr->state); + if (fltr->rxq_id != fltr->next_rxq_id) + qede_configure_arfs_fltr(edev, fltr, fltr->rxq_id, + false); + } else { + clear_bit(QEDE_FLTR_VALID, &fltr->state); + if (fltr->rxq_id != fltr->next_rxq_id) { + fltr->rxq_id = fltr->next_rxq_id; + qede_configure_arfs_fltr(edev, fltr, + fltr->rxq_id, true); + } + } + + spin_unlock_bh(&edev->arfs->arfs_list_lock); +} + +/* Should be called while qede_lock is held */ +void qede_process_arfs_filters(struct qede_dev *edev, bool free_fltr) +{ + int i; + + for (i = 0; i <= QEDE_RFS_FLW_MASK; i++) { + struct hlist_node *temp; + struct hlist_head *head; + struct qede_arfs_fltr_node *fltr; + + head = &edev->arfs->arfs_hl_head[i]; + + hlist_for_each_entry_safe(fltr, temp, head, node) { + bool del = false; + + if (edev->state != QEDE_STATE_OPEN) + del = true; + + spin_lock_bh(&edev->arfs->arfs_list_lock); + + if ((!test_bit(QEDE_FLTR_VALID, &fltr->state) && + !fltr->used) || free_fltr) { + hlist_del(&fltr->node); + dma_unmap_single(&edev->pdev->dev, + fltr->mapping, + fltr->buf_len, DMA_TO_DEVICE); + qede_free_arfs_filter(edev, fltr); + edev->arfs->filter_count--; + } else { + if ((rps_may_expire_flow(edev->ndev, + fltr->rxq_id, + fltr->flow_id, + fltr->sw_id) || del) && + !free_fltr) + qede_configure_arfs_fltr(edev, fltr, + fltr->rxq_id, + false); + } + + spin_unlock_bh(&edev->arfs->arfs_list_lock); + } + } + + spin_lock_bh(&edev->arfs->arfs_list_lock); + + if (!edev->arfs->filter_count) { + if (edev->arfs->enable) { + edev->arfs->enable = false; + edev->ops->configure_arfs_searcher(edev->cdev, false); + } + } else { + set_bit(QEDE_SP_ARFS_CONFIG, &edev->sp_flags); + schedule_delayed_work(&edev->sp_task, + QEDE_SP_TASK_POLL_DELAY); + } + + spin_unlock_bh(&edev->arfs->arfs_list_lock); +} + +/* This function waits until all aRFS filters get deleted and freed. + * On timeout it frees all filters forcefully. + */ +void qede_poll_for_freeing_arfs_filters(struct qede_dev *edev) +{ + int count = QEDE_ARFS_POLL_COUNT; + + while (count) { + qede_process_arfs_filters(edev, false); + + if (!edev->arfs->filter_count) + break; + + msleep(100); + count--; + } + + if (!count) { + DP_NOTICE(edev, "Timeout in polling for arfs filter free\n"); + + /* Something is terribly wrong, free forcefully */ + qede_process_arfs_filters(edev, true); + } +} + +int qede_alloc_arfs(struct qede_dev *edev) +{ + int i; + + edev->arfs = vzalloc(sizeof(*edev->arfs)); + if (!edev->arfs) + return -ENOMEM; + + spin_lock_init(&edev->arfs->arfs_list_lock); + + for (i = 0; i <= QEDE_RFS_FLW_MASK; i++) + INIT_HLIST_HEAD(&edev->arfs->arfs_hl_head[i]); + + edev->ndev->rx_cpu_rmap = alloc_irq_cpu_rmap(QEDE_RSS_COUNT(edev)); + if (!edev->ndev->rx_cpu_rmap) { + vfree(edev->arfs); + edev->arfs = NULL; + return -ENOMEM; + } + + edev->arfs->arfs_fltr_bmap = vzalloc(BITS_TO_LONGS(QEDE_RFS_MAX_FLTR)); + if (!edev->arfs->arfs_fltr_bmap) { + free_irq_cpu_rmap(edev->ndev->rx_cpu_rmap); + edev->ndev->rx_cpu_rmap = NULL; + vfree(edev->arfs); + edev->arfs = NULL; + return -ENOMEM; + } + + return 0; +} + +void qede_free_arfs(struct qede_dev *edev) +{ + if (!edev->arfs) + return; + + if (edev->ndev->rx_cpu_rmap) + free_irq_cpu_rmap(edev->ndev->rx_cpu_rmap); + + edev->ndev->rx_cpu_rmap = NULL; + vfree(edev->arfs->arfs_fltr_bmap); + edev->arfs->arfs_fltr_bmap = NULL; + vfree(edev->arfs); + edev->arfs = NULL; +} + +static bool qede_compare_ip_addr(struct qede_arfs_fltr_node *tpos, + const struct sk_buff *skb) +{ + if (skb->protocol == htons(ETH_P_IP)) { + if (tpos->tuple.src_ipv4 == ip_hdr(skb)->saddr && + tpos->tuple.dst_ipv4 == ip_hdr(skb)->daddr) + return true; + else + return false; + } else { + struct in6_addr *src = &tpos->tuple.src_ipv6; + u8 size = sizeof(struct in6_addr); + + if (!memcmp(src, &ipv6_hdr(skb)->saddr, size) && + !memcmp(&tpos->tuple.dst_ipv6, &ipv6_hdr(skb)->daddr, size)) + return true; + else + return false; + } +} + +static struct qede_arfs_fltr_node * +qede_arfs_htbl_key_search(struct hlist_head *h, const struct sk_buff *skb, + __be16 src_port, __be16 dst_port, u8 ip_proto) +{ + struct qede_arfs_fltr_node *tpos; + + hlist_for_each_entry(tpos, h, node) + if (tpos->tuple.ip_proto == ip_proto && + tpos->tuple.eth_proto == skb->protocol && + qede_compare_ip_addr(tpos, skb) && + tpos->tuple.src_port == src_port && + tpos->tuple.dst_port == dst_port) + return tpos; + + return NULL; +} + +static struct qede_arfs_fltr_node * +qede_alloc_filter(struct qede_dev *edev, int min_hlen) +{ + struct qede_arfs_fltr_node *n; + int bit_id; + + bit_id = find_first_zero_bit(edev->arfs->arfs_fltr_bmap, + QEDE_RFS_MAX_FLTR); + + if (bit_id >= QEDE_RFS_MAX_FLTR) + return NULL; + + n = kzalloc(sizeof(*n), GFP_ATOMIC); + if (!n) + return NULL; + + n->data = kzalloc(min_hlen, GFP_ATOMIC); + if (!n->data) { + kfree(n); + return NULL; + } + + n->sw_id = (u16)bit_id; + set_bit(bit_id, edev->arfs->arfs_fltr_bmap); + return n; +} + +int qede_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb, + u16 rxq_index, u32 flow_id) +{ + struct qede_dev *edev = netdev_priv(dev); + struct qede_arfs_fltr_node *n; + int min_hlen, rc, tp_offset; + struct ethhdr *eth; + __be16 *ports; + u16 tbl_idx; + u8 ip_proto; + + if (skb->encapsulation) + return -EPROTONOSUPPORT; + + if (skb->protocol != htons(ETH_P_IP) && + skb->protocol != htons(ETH_P_IPV6)) + return -EPROTONOSUPPORT; + + if (skb->protocol == htons(ETH_P_IP)) { + ip_proto = ip_hdr(skb)->protocol; + tp_offset = sizeof(struct iphdr); + } else { + ip_proto = ipv6_hdr(skb)->nexthdr; + tp_offset = sizeof(struct ipv6hdr); + } + + if (ip_proto != IPPROTO_TCP && ip_proto != IPPROTO_UDP) + return -EPROTONOSUPPORT; + + ports = (__be16 *)(skb->data + tp_offset); + tbl_idx = skb_get_hash_raw(skb) & QEDE_RFS_FLW_MASK; + + spin_lock_bh(&edev->arfs->arfs_list_lock); + + n = qede_arfs_htbl_key_search(&edev->arfs->arfs_hl_head[tbl_idx], + skb, ports[0], ports[1], ip_proto); + + if (n) { + /* Filter match */ + n->next_rxq_id = rxq_index; + + if (test_bit(QEDE_FLTR_VALID, &n->state)) { + if (n->rxq_id != rxq_index) + qede_configure_arfs_fltr(edev, n, n->rxq_id, + false); + } else { + if (!n->used) { + n->rxq_id = rxq_index; + qede_configure_arfs_fltr(edev, n, n->rxq_id, + true); + } + } + + rc = n->sw_id; + goto ret_unlock; + } + + min_hlen = ETH_HLEN + skb_headlen(skb); + + n = qede_alloc_filter(edev, min_hlen); + if (!n) { + rc = -ENOMEM; + goto ret_unlock; + } + + n->buf_len = min_hlen; + n->rxq_id = rxq_index; + n->next_rxq_id = rxq_index; + n->tuple.src_port = ports[0]; + n->tuple.dst_port = ports[1]; + n->flow_id = flow_id; + + if (skb->protocol == htons(ETH_P_IP)) { + n->tuple.src_ipv4 = ip_hdr(skb)->saddr; + n->tuple.dst_ipv4 = ip_hdr(skb)->daddr; + } else { + memcpy(&n->tuple.src_ipv6, &ipv6_hdr(skb)->saddr, + sizeof(struct in6_addr)); + memcpy(&n->tuple.dst_ipv6, &ipv6_hdr(skb)->daddr, + sizeof(struct in6_addr)); + } + + eth = (struct ethhdr *)n->data; + eth->h_proto = skb->protocol; + n->tuple.eth_proto = skb->protocol; + n->tuple.ip_proto = ip_proto; + memcpy(n->data + ETH_HLEN, skb->data, skb_headlen(skb)); + + n->mapping = dma_map_single(&edev->pdev->dev, n->data, + n->buf_len, DMA_TO_DEVICE); + if (dma_mapping_error(&edev->pdev->dev, n->mapping)) { + DP_NOTICE(edev, "Failed to map DMA memory for arfs\n"); + qede_free_arfs_filter(edev, n); + rc = -ENOMEM; + goto ret_unlock; + } + + INIT_HLIST_NODE(&n->node); + hlist_add_head(&n->node, &edev->arfs->arfs_hl_head[tbl_idx]); + edev->arfs->filter_count++; + + if (edev->arfs->filter_count == 1 && !edev->arfs->enable) { + edev->ops->configure_arfs_searcher(edev->cdev, true); + edev->arfs->enable = true; + } + + qede_configure_arfs_fltr(edev, n, n->rxq_id, true); + + spin_unlock_bh(&edev->arfs->arfs_list_lock); + + set_bit(QEDE_SP_ARFS_CONFIG, &edev->sp_flags); + schedule_delayed_work(&edev->sp_task, 0); + return n->sw_id; + +ret_unlock: + spin_unlock_bh(&edev->arfs->arfs_list_lock); + return rc; +} +#endif + void qede_force_mac(void *dev, u8 *mac, bool forced) { struct qede_dev *edev = dev; diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index 8c2baf8b2a08..02b305c19f38 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -225,6 +225,9 @@ static struct pci_driver qede_pci_driver = { static struct qed_eth_cb_ops qede_ll_ops = { { +#ifdef CONFIG_RFS_ACCEL + .arfs_filter_op = qede_arfs_filter_op, +#endif .link_update = qede_link_update, }, .force_mac = qede_force_mac, @@ -554,6 +557,9 @@ static const struct net_device_ops qede_netdev_ops = { .ndo_udp_tunnel_del = qede_udp_tunnel_del, .ndo_features_check = qede_features_check, .ndo_xdp = qede_xdp, +#ifdef CONFIG_RFS_ACCEL + .ndo_rx_flow_steer = qede_rx_flow_steer, +#endif }; /* ------------------------------------------------------------------------- @@ -603,7 +609,7 @@ static void qede_init_ndev(struct qede_dev *edev) { struct net_device *ndev = edev->ndev; struct pci_dev *pdev = edev->pdev; - u32 hw_features; + netdev_features_t hw_features; pci_set_drvdata(pdev, ndev); @@ -629,6 +635,10 @@ static void qede_init_ndev(struct qede_dev *edev) hw_features |= NETIF_F_GSO_GRE | NETIF_F_GSO_UDP_TUNNEL | NETIF_F_TSO_ECN | NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_GRE_CSUM; + + if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) + hw_features |= NETIF_F_NTUPLE; + ndev->hw_enc_features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_GSO_GRE | @@ -798,6 +808,12 @@ static void qede_sp_task(struct work_struct *work) qed_ops->tunn_config(cdev, &tunn_params); } +#ifdef CONFIG_RFS_ACCEL + if (test_and_clear_bit(QEDE_SP_ARFS_CONFIG, &edev->sp_flags)) { + if (edev->state == QEDE_STATE_OPEN) + qede_process_arfs_filters(edev, false); + } +#endif __qede_unlock(edev); } @@ -808,6 +824,9 @@ static void qede_update_pf_params(struct qed_dev *cdev) /* 64 rx + 64 tx + 64 XDP */ memset(&pf_params, 0, sizeof(struct qed_pf_params)); pf_params.eth_pf_params.num_cons = (MAX_SB_PER_PF_MIMD - 1) * 3; +#ifdef CONFIG_RFS_ACCEL + pf_params.eth_pf_params.num_arfs_filters = QEDE_RFS_MAX_FLTR; +#endif qed_ops->common->update_pf_params(cdev, &pf_params); } @@ -962,9 +981,8 @@ static void __qede_remove(struct pci_dev *pdev, enum qede_remove_mode mode) DP_INFO(edev, "Starting qede_remove\n"); - cancel_delayed_work_sync(&edev->sp_task); - unregister_netdev(ndev); + cancel_delayed_work_sync(&edev->sp_task); qede_ptp_remove(edev); @@ -1490,6 +1508,18 @@ static int qede_req_msix_irqs(struct qede_dev *edev) } for (i = 0; i < QEDE_QUEUE_CNT(edev); i++) { +#ifdef CONFIG_RFS_ACCEL + struct qede_fastpath *fp = &edev->fp_array[i]; + + if (edev->ndev->rx_cpu_rmap && (fp->type & QEDE_FASTPATH_RX)) { + rc = irq_cpu_rmap_add(edev->ndev->rx_cpu_rmap, + edev->int_info.msix[i].vector); + if (rc) { + DP_ERR(edev, "Failed to add CPU rmap\n"); + qede_free_arfs(edev); + } + } +#endif rc = request_irq(edev->int_info.msix[i].vector, qede_msix_fp_int, 0, edev->fp_array[i].name, &edev->fp_array[i]); @@ -1871,7 +1901,12 @@ static void qede_unload(struct qede_dev *edev, enum qede_unload_mode mode, qede_vlan_mark_nonconfigured(edev); edev->ops->fastpath_stop(edev->cdev); - +#ifdef CONFIG_RFS_ACCEL + if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) { + qede_poll_for_freeing_arfs_filters(edev); + qede_free_arfs(edev); + } +#endif /* Release the interrupts */ qede_sync_free_irqs(edev); edev->ops->common->set_fp_int(edev->cdev, 0); @@ -1923,6 +1958,13 @@ static int qede_load(struct qede_dev *edev, enum qede_load_mode mode, if (rc) goto err2; +#ifdef CONFIG_RFS_ACCEL + if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) { + rc = qede_alloc_arfs(edev); + if (rc) + DP_NOTICE(edev, "aRFS memory allocation failed\n"); + } +#endif qede_napi_add_enable(edev); DP_INFO(edev, "Napi added and enabled\n"); diff --git a/drivers/net/ethernet/stmicro/stmmac/chain_mode.c b/drivers/net/ethernet/stmicro/stmmac/chain_mode.c index 37881f81319e..e93c40b4631e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/chain_mode.c +++ b/drivers/net/ethernet/stmicro/stmmac/chain_mode.c @@ -52,7 +52,7 @@ static int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) tx_q->tx_skbuff_dma[entry].len = bmax; /* do not close the descriptor and do not set own bit */ priv->hw->desc->prepare_tx_desc(desc, 1, bmax, csum, STMMAC_CHAIN_MODE, - 0, false); + 0, false, skb->len); while (len != 0) { tx_q->tx_skbuff[entry] = NULL; @@ -70,7 +70,7 @@ static int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) tx_q->tx_skbuff_dma[entry].len = bmax; priv->hw->desc->prepare_tx_desc(desc, 0, bmax, csum, STMMAC_CHAIN_MODE, 1, - false); + false, skb->len); len -= bmax; i++; } else { @@ -85,7 +85,7 @@ static int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) /* last descriptor can be set now */ priv->hw->desc->prepare_tx_desc(desc, 0, len, csum, STMMAC_CHAIN_MODE, 1, - true); + true, skb->len); len = 0; } } diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index 90d28bcad880..b7ce3fbb5375 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -373,7 +373,7 @@ struct stmmac_desc_ops { /* Invoked by the xmit function to prepare the tx descriptor */ void (*prepare_tx_desc) (struct dma_desc *p, int is_fs, int len, bool csum_flag, int mode, bool tx_own, - bool ls); + bool ls, unsigned int tot_pkt_len); void (*prepare_tso_tx_desc)(struct dma_desc *p, int is_fs, int len1, int len2, bool tx_own, bool ls, unsigned int tcphdrlen, diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c index 843ec69222ea..aa6476439aee 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c @@ -304,12 +304,13 @@ static void dwmac4_rd_init_tx_desc(struct dma_desc *p, int mode, int end) static void dwmac4_rd_prepare_tx_desc(struct dma_desc *p, int is_fs, int len, bool csum_flag, int mode, bool tx_own, - bool ls) + bool ls, unsigned int tot_pkt_len) { unsigned int tdes3 = le32_to_cpu(p->des3); p->des2 |= cpu_to_le32(len & TDES2_BUFFER1_SIZE_MASK); + tdes3 |= tot_pkt_len & TDES3_PACKET_SIZE_MASK; if (is_fs) tdes3 |= TDES3_FIRST_DESCRIPTOR; else diff --git a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c index 323b59ec74a3..7546b3664113 100644 --- a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c +++ b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c @@ -315,7 +315,7 @@ static void enh_desc_release_tx_desc(struct dma_desc *p, int mode) static void enh_desc_prepare_tx_desc(struct dma_desc *p, int is_fs, int len, bool csum_flag, int mode, bool tx_own, - bool ls) + bool ls, unsigned int tot_pkt_len) { unsigned int tdes0 = le32_to_cpu(p->des0); diff --git a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c index efb818ebd55e..f817f8f36569 100644 --- a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c +++ b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c @@ -191,7 +191,7 @@ static void ndesc_release_tx_desc(struct dma_desc *p, int mode) static void ndesc_prepare_tx_desc(struct dma_desc *p, int is_fs, int len, bool csum_flag, int mode, bool tx_own, - bool ls) + bool ls, unsigned int tot_pkt_len) { unsigned int tdes1 = le32_to_cpu(p->des1); diff --git a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c index 31213e64513d..28e4b5d50ce6 100644 --- a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c +++ b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c @@ -59,7 +59,8 @@ static int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) desc->des3 = cpu_to_le32(des2 + BUF_SIZE_4KiB); priv->hw->desc->prepare_tx_desc(desc, 1, bmax, csum, - STMMAC_RING_MODE, 0, false); + STMMAC_RING_MODE, 0, + false, skb->len); tx_q->tx_skbuff[entry] = NULL; entry = STMMAC_GET_ENTRY(entry, DMA_TX_SIZE); @@ -79,7 +80,8 @@ static int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) desc->des3 = cpu_to_le32(des2 + BUF_SIZE_4KiB); priv->hw->desc->prepare_tx_desc(desc, 0, len, csum, - STMMAC_RING_MODE, 1, true); + STMMAC_RING_MODE, 1, + true, skb->len); } else { des2 = dma_map_single(priv->device, skb->data, nopaged_len, DMA_TO_DEVICE); @@ -91,7 +93,8 @@ static int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) tx_q->tx_skbuff_dma[entry].is_jumbo = true; desc->des3 = cpu_to_le32(des2 + BUF_SIZE_4KiB); priv->hw->desc->prepare_tx_desc(desc, 1, nopaged_len, csum, - STMMAC_RING_MODE, 0, true); + STMMAC_RING_MODE, 0, + true, skb->len); } tx_q->cur_tx = entry; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 85f315e01c1d..cd8c60132390 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -3033,7 +3033,8 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) /* Prepare the descriptor and set the own bit too */ priv->hw->desc->prepare_tx_desc(desc, 0, len, csum_insertion, - priv->mode, 1, last_segment); + priv->mode, 1, last_segment, + skb->len); } entry = STMMAC_GET_ENTRY(entry, DMA_TX_SIZE); @@ -3116,7 +3117,7 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) /* Prepare the first descriptor setting the OWN bit too */ priv->hw->desc->prepare_tx_desc(first, 1, nopaged_len, csum_insertion, priv->mode, 1, - last_segment); + last_segment, skb->len); /* The own bit must be the latest setting done when prepare the * descriptor and then barrier is needed to make sure that diff --git a/drivers/net/ethernet/synopsys/Makefile b/drivers/net/ethernet/synopsys/Makefile index c06e2eb3be90..0ad01916f11e 100644 --- a/drivers/net/ethernet/synopsys/Makefile +++ b/drivers/net/ethernet/synopsys/Makefile @@ -4,6 +4,7 @@ obj-$(CONFIG_DWC_XLGMAC) += dwc-xlgmac.o dwc-xlgmac-objs := dwc-xlgmac-net.o dwc-xlgmac-desc.o \ - dwc-xlgmac-hw.o dwc-xlgmac-common.o + dwc-xlgmac-hw.o dwc-xlgmac-common.o \ + dwc-xlgmac-ethtool.o dwc-xlgmac-$(CONFIG_DWC_XLGMAC_PCI) += dwc-xlgmac-pci.o diff --git a/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c b/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c index 07def2beabfa..d655a4261e98 100644 --- a/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c +++ b/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c @@ -175,6 +175,7 @@ static int xlgmac_init(struct xlgmac_pdata *pdata) /* Set device operations */ netdev->netdev_ops = xlgmac_get_netdev_ops(); + netdev->ethtool_ops = xlgmac_get_ethtool_ops(); /* Set device features */ if (pdata->hw_feat.tso) { diff --git a/drivers/net/ethernet/synopsys/dwc-xlgmac-ethtool.c b/drivers/net/ethernet/synopsys/dwc-xlgmac-ethtool.c new file mode 100644 index 000000000000..fde722136869 --- /dev/null +++ b/drivers/net/ethernet/synopsys/dwc-xlgmac-ethtool.c @@ -0,0 +1,275 @@ +/* Synopsys DesignWare Core Enterprise Ethernet (XLGMAC) Driver + * + * Copyright (c) 2017 Synopsys, Inc. (www.synopsys.com) + * + * This program is dual-licensed; you may select either version 2 of + * the GNU General Public License ("GPL") or BSD license ("BSD"). + * + * This Synopsys DWC XLGMAC software driver and associated documentation + * (hereinafter the "Software") is an unsupported proprietary work of + * Synopsys, Inc. unless otherwise expressly agreed to in writing between + * Synopsys and you. The Software IS NOT an item of Licensed Software or a + * Licensed Product under any End User Software License Agreement or + * Agreement for Licensed Products with Synopsys or any supplement thereto. + * Synopsys is a registered trademark of Synopsys, Inc. Other names included + * in the SOFTWARE may be the trademarks of their respective owners. + */ + +#include <linux/ethtool.h> +#include <linux/kernel.h> +#include <linux/netdevice.h> + +#include "dwc-xlgmac.h" +#include "dwc-xlgmac-reg.h" + +struct xlgmac_stats_desc { + char stat_string[ETH_GSTRING_LEN]; + int stat_offset; +}; + +#define XLGMAC_STAT(str, var) \ + { \ + str, \ + offsetof(struct xlgmac_pdata, stats.var), \ + } + +static const struct xlgmac_stats_desc xlgmac_gstring_stats[] = { + /* MMC TX counters */ + XLGMAC_STAT("tx_bytes", txoctetcount_gb), + XLGMAC_STAT("tx_bytes_good", txoctetcount_g), + XLGMAC_STAT("tx_packets", txframecount_gb), + XLGMAC_STAT("tx_packets_good", txframecount_g), + XLGMAC_STAT("tx_unicast_packets", txunicastframes_gb), + XLGMAC_STAT("tx_broadcast_packets", txbroadcastframes_gb), + XLGMAC_STAT("tx_broadcast_packets_good", txbroadcastframes_g), + XLGMAC_STAT("tx_multicast_packets", txmulticastframes_gb), + XLGMAC_STAT("tx_multicast_packets_good", txmulticastframes_g), + XLGMAC_STAT("tx_vlan_packets_good", txvlanframes_g), + XLGMAC_STAT("tx_64_byte_packets", tx64octets_gb), + XLGMAC_STAT("tx_65_to_127_byte_packets", tx65to127octets_gb), + XLGMAC_STAT("tx_128_to_255_byte_packets", tx128to255octets_gb), + XLGMAC_STAT("tx_256_to_511_byte_packets", tx256to511octets_gb), + XLGMAC_STAT("tx_512_to_1023_byte_packets", tx512to1023octets_gb), + XLGMAC_STAT("tx_1024_to_max_byte_packets", tx1024tomaxoctets_gb), + XLGMAC_STAT("tx_underflow_errors", txunderflowerror), + XLGMAC_STAT("tx_pause_frames", txpauseframes), + + /* MMC RX counters */ + XLGMAC_STAT("rx_bytes", rxoctetcount_gb), + XLGMAC_STAT("rx_bytes_good", rxoctetcount_g), + XLGMAC_STAT("rx_packets", rxframecount_gb), + XLGMAC_STAT("rx_unicast_packets_good", rxunicastframes_g), + XLGMAC_STAT("rx_broadcast_packets_good", rxbroadcastframes_g), + XLGMAC_STAT("rx_multicast_packets_good", rxmulticastframes_g), + XLGMAC_STAT("rx_vlan_packets", rxvlanframes_gb), + XLGMAC_STAT("rx_64_byte_packets", rx64octets_gb), + XLGMAC_STAT("rx_65_to_127_byte_packets", rx65to127octets_gb), + XLGMAC_STAT("rx_128_to_255_byte_packets", rx128to255octets_gb), + XLGMAC_STAT("rx_256_to_511_byte_packets", rx256to511octets_gb), + XLGMAC_STAT("rx_512_to_1023_byte_packets", rx512to1023octets_gb), + XLGMAC_STAT("rx_1024_to_max_byte_packets", rx1024tomaxoctets_gb), + XLGMAC_STAT("rx_undersize_packets_good", rxundersize_g), + XLGMAC_STAT("rx_oversize_packets_good", rxoversize_g), + XLGMAC_STAT("rx_crc_errors", rxcrcerror), + XLGMAC_STAT("rx_crc_errors_small_packets", rxrunterror), + XLGMAC_STAT("rx_crc_errors_giant_packets", rxjabbererror), + XLGMAC_STAT("rx_length_errors", rxlengtherror), + XLGMAC_STAT("rx_out_of_range_errors", rxoutofrangetype), + XLGMAC_STAT("rx_fifo_overflow_errors", rxfifooverflow), + XLGMAC_STAT("rx_watchdog_errors", rxwatchdogerror), + XLGMAC_STAT("rx_pause_frames", rxpauseframes), + + /* Extra counters */ + XLGMAC_STAT("tx_tso_packets", tx_tso_packets), + XLGMAC_STAT("rx_split_header_packets", rx_split_header_packets), + XLGMAC_STAT("tx_process_stopped", tx_process_stopped), + XLGMAC_STAT("rx_process_stopped", rx_process_stopped), + XLGMAC_STAT("tx_buffer_unavailable", tx_buffer_unavailable), + XLGMAC_STAT("rx_buffer_unavailable", rx_buffer_unavailable), + XLGMAC_STAT("fatal_bus_error", fatal_bus_error), + XLGMAC_STAT("tx_vlan_packets", tx_vlan_packets), + XLGMAC_STAT("rx_vlan_packets", rx_vlan_packets), + XLGMAC_STAT("napi_poll_isr", napi_poll_isr), + XLGMAC_STAT("napi_poll_txtimer", napi_poll_txtimer), +}; + +#define XLGMAC_STATS_COUNT ARRAY_SIZE(xlgmac_gstring_stats) + +static void xlgmac_ethtool_get_drvinfo(struct net_device *netdev, + struct ethtool_drvinfo *drvinfo) +{ + struct xlgmac_pdata *pdata = netdev_priv(netdev); + u32 ver = pdata->hw_feat.version; + u32 snpsver, devid, userver; + + strlcpy(drvinfo->driver, pdata->drv_name, sizeof(drvinfo->driver)); + strlcpy(drvinfo->version, pdata->drv_ver, sizeof(drvinfo->version)); + strlcpy(drvinfo->bus_info, dev_name(pdata->dev), + sizeof(drvinfo->bus_info)); + /* S|SNPSVER: Synopsys-defined Version + * D|DEVID: Indicates the Device family + * U|USERVER: User-defined Version + */ + snpsver = XLGMAC_GET_REG_BITS(ver, MAC_VR_SNPSVER_POS, + MAC_VR_SNPSVER_LEN); + devid = XLGMAC_GET_REG_BITS(ver, MAC_VR_DEVID_POS, + MAC_VR_DEVID_LEN); + userver = XLGMAC_GET_REG_BITS(ver, MAC_VR_USERVER_POS, + MAC_VR_USERVER_LEN); + snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), + "S.D.U: %x.%x.%x", snpsver, devid, userver); +} + +static u32 xlgmac_ethtool_get_msglevel(struct net_device *netdev) +{ + struct xlgmac_pdata *pdata = netdev_priv(netdev); + + return pdata->msg_enable; +} + +static void xlgmac_ethtool_set_msglevel(struct net_device *netdev, + u32 msglevel) +{ + struct xlgmac_pdata *pdata = netdev_priv(netdev); + + pdata->msg_enable = msglevel; +} + +static void xlgmac_ethtool_get_channels(struct net_device *netdev, + struct ethtool_channels *channel) +{ + struct xlgmac_pdata *pdata = netdev_priv(netdev); + + channel->max_rx = XLGMAC_MAX_DMA_CHANNELS; + channel->max_tx = XLGMAC_MAX_DMA_CHANNELS; + channel->rx_count = pdata->rx_q_count; + channel->tx_count = pdata->tx_q_count; +} + +static int xlgmac_ethtool_get_coalesce(struct net_device *netdev, + struct ethtool_coalesce *ec) +{ + struct xlgmac_pdata *pdata = netdev_priv(netdev); + + memset(ec, 0, sizeof(struct ethtool_coalesce)); + ec->rx_coalesce_usecs = pdata->rx_usecs; + ec->rx_max_coalesced_frames = pdata->rx_frames; + ec->tx_max_coalesced_frames = pdata->tx_frames; + + return 0; +} + +static int xlgmac_ethtool_set_coalesce(struct net_device *netdev, + struct ethtool_coalesce *ec) +{ + struct xlgmac_pdata *pdata = netdev_priv(netdev); + struct xlgmac_hw_ops *hw_ops = &pdata->hw_ops; + unsigned int rx_frames, rx_riwt, rx_usecs; + unsigned int tx_frames; + + /* Check for not supported parameters */ + if ((ec->rx_coalesce_usecs_irq) || (ec->rx_max_coalesced_frames_irq) || + (ec->tx_coalesce_usecs) || (ec->tx_coalesce_usecs_high) || + (ec->tx_max_coalesced_frames_irq) || (ec->tx_coalesce_usecs_irq) || + (ec->stats_block_coalesce_usecs) || (ec->pkt_rate_low) || + (ec->use_adaptive_rx_coalesce) || (ec->use_adaptive_tx_coalesce) || + (ec->rx_max_coalesced_frames_low) || (ec->rx_coalesce_usecs_low) || + (ec->tx_coalesce_usecs_low) || (ec->tx_max_coalesced_frames_low) || + (ec->pkt_rate_high) || (ec->rx_coalesce_usecs_high) || + (ec->rx_max_coalesced_frames_high) || + (ec->tx_max_coalesced_frames_high) || + (ec->rate_sample_interval)) + return -EOPNOTSUPP; + + rx_usecs = ec->rx_coalesce_usecs; + rx_riwt = hw_ops->usec_to_riwt(pdata, rx_usecs); + rx_frames = ec->rx_max_coalesced_frames; + tx_frames = ec->tx_max_coalesced_frames; + + if ((rx_riwt > XLGMAC_MAX_DMA_RIWT) || + (rx_riwt < XLGMAC_MIN_DMA_RIWT) || + (rx_frames > pdata->rx_desc_count)) + return -EINVAL; + + if (tx_frames > pdata->tx_desc_count) + return -EINVAL; + + pdata->rx_riwt = rx_riwt; + pdata->rx_usecs = rx_usecs; + pdata->rx_frames = rx_frames; + hw_ops->config_rx_coalesce(pdata); + + pdata->tx_frames = tx_frames; + hw_ops->config_tx_coalesce(pdata); + + return 0; +} + +static void xlgmac_ethtool_get_strings(struct net_device *netdev, + u32 stringset, u8 *data) +{ + int i; + + switch (stringset) { + case ETH_SS_STATS: + for (i = 0; i < XLGMAC_STATS_COUNT; i++) { + memcpy(data, xlgmac_gstring_stats[i].stat_string, + ETH_GSTRING_LEN); + data += ETH_GSTRING_LEN; + } + break; + default: + WARN_ON(1); + break; + } +} + +static int xlgmac_ethtool_get_sset_count(struct net_device *netdev, + int stringset) +{ + int ret; + + switch (stringset) { + case ETH_SS_STATS: + ret = XLGMAC_STATS_COUNT; + break; + + default: + ret = -EOPNOTSUPP; + } + + return ret; +} + +static void xlgmac_ethtool_get_ethtool_stats(struct net_device *netdev, + struct ethtool_stats *stats, + u64 *data) +{ + struct xlgmac_pdata *pdata = netdev_priv(netdev); + u8 *stat; + int i; + + pdata->hw_ops.read_mmc_stats(pdata); + for (i = 0; i < XLGMAC_STATS_COUNT; i++) { + stat = (u8 *)pdata + xlgmac_gstring_stats[i].stat_offset; + *data++ = *(u64 *)stat; + } +} + +static const struct ethtool_ops xlgmac_ethtool_ops = { + .get_drvinfo = xlgmac_ethtool_get_drvinfo, + .get_link = ethtool_op_get_link, + .get_msglevel = xlgmac_ethtool_get_msglevel, + .set_msglevel = xlgmac_ethtool_set_msglevel, + .get_channels = xlgmac_ethtool_get_channels, + .get_coalesce = xlgmac_ethtool_get_coalesce, + .set_coalesce = xlgmac_ethtool_set_coalesce, + .get_strings = xlgmac_ethtool_get_strings, + .get_sset_count = xlgmac_ethtool_get_sset_count, + .get_ethtool_stats = xlgmac_ethtool_get_ethtool_stats, +}; + +const struct ethtool_ops *xlgmac_get_ethtool_ops(void) +{ + return &xlgmac_ethtool_ops; +} diff --git a/drivers/net/ethernet/synopsys/dwc-xlgmac-hw.c b/drivers/net/ethernet/synopsys/dwc-xlgmac-hw.c index 0dec1dcf8457..458a7844260a 100644 --- a/drivers/net/ethernet/synopsys/dwc-xlgmac-hw.c +++ b/drivers/net/ethernet/synopsys/dwc-xlgmac-hw.c @@ -835,12 +835,14 @@ static void xlgmac_dev_xmit(struct xlgmac_channel *channel) desc_data->skb_dma_len); /* VLAN tag insertion check */ - if (vlan) + if (vlan) { dma_desc->desc2 = XLGMAC_SET_REG_BITS_LE( dma_desc->desc2, TX_NORMAL_DESC2_VTIR_POS, TX_NORMAL_DESC2_VTIR_LEN, TX_NORMAL_DESC2_VLAN_INSERT); + pdata->stats.tx_vlan_packets++; + } /* Timestamp enablement check */ if (XLGMAC_GET_REG_BITS(pkt_info->attributes, diff --git a/drivers/net/ethernet/synopsys/dwc-xlgmac-net.c b/drivers/net/ethernet/synopsys/dwc-xlgmac-net.c index 6acf86ced61d..3b91257683bc 100644 --- a/drivers/net/ethernet/synopsys/dwc-xlgmac-net.c +++ b/drivers/net/ethernet/synopsys/dwc-xlgmac-net.c @@ -290,19 +290,34 @@ static irqreturn_t xlgmac_isr(int irq, void *data) /* Disable Tx and Rx interrupts */ xlgmac_disable_rx_tx_ints(pdata); + pdata->stats.napi_poll_isr++; /* Turn on polling */ __napi_schedule_irqoff(&pdata->napi); } } + if (XLGMAC_GET_REG_BITS(dma_ch_isr, DMA_CH_SR_TPS_POS, + DMA_CH_SR_TPS_LEN)) + pdata->stats.tx_process_stopped++; + + if (XLGMAC_GET_REG_BITS(dma_ch_isr, DMA_CH_SR_RPS_POS, + DMA_CH_SR_RPS_LEN)) + pdata->stats.rx_process_stopped++; + + if (XLGMAC_GET_REG_BITS(dma_ch_isr, DMA_CH_SR_TBU_POS, + DMA_CH_SR_TBU_LEN)) + pdata->stats.tx_buffer_unavailable++; + if (XLGMAC_GET_REG_BITS(dma_ch_isr, DMA_CH_SR_RBU_POS, DMA_CH_SR_RBU_LEN)) pdata->stats.rx_buffer_unavailable++; /* Restart the device on a Fatal Bus Error */ if (XLGMAC_GET_REG_BITS(dma_ch_isr, DMA_CH_SR_FBE_POS, - DMA_CH_SR_FBE_LEN)) + DMA_CH_SR_FBE_LEN)) { + pdata->stats.fatal_bus_error++; schedule_work(&pdata->restart_work); + } /* Clear all interrupt signals */ writel(dma_ch_isr, XLGMAC_DMA_REG(channel, DMA_CH_SR)); @@ -357,6 +372,7 @@ static void xlgmac_tx_timer(unsigned long data) else xlgmac_disable_rx_tx_ints(pdata); + pdata->stats.napi_poll_txtimer++; /* Turn on polling */ __napi_schedule(napi); } @@ -1225,9 +1241,11 @@ read_again: if (XLGMAC_GET_REG_BITS(pkt_info->attributes, RX_PACKET_ATTRIBUTES_VLAN_CTAG_POS, - RX_PACKET_ATTRIBUTES_VLAN_CTAG_LEN)) + RX_PACKET_ATTRIBUTES_VLAN_CTAG_LEN)) { __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), pkt_info->vlan_ctag); + pdata->stats.rx_vlan_packets++; + } if (XLGMAC_GET_REG_BITS(pkt_info->attributes, RX_PACKET_ATTRIBUTES_RSS_HASH_POS, diff --git a/drivers/net/ethernet/synopsys/dwc-xlgmac.h b/drivers/net/ethernet/synopsys/dwc-xlgmac.h index 676b2fb8dfcc..cab3e40a86b9 100644 --- a/drivers/net/ethernet/synopsys/dwc-xlgmac.h +++ b/drivers/net/ethernet/synopsys/dwc-xlgmac.h @@ -67,6 +67,8 @@ #define XLGMAC_INIT_DMA_TX_FRAMES 25 #define XLGMAC_INIT_DMA_RX_USECS 30 #define XLGMAC_INIT_DMA_RX_FRAMES 25 +#define XLGMAC_MAX_DMA_RIWT 0xff +#define XLGMAC_MIN_DMA_RIWT 0x01 /* Flow control queue count */ #define XLGMAC_MAX_FLOW_CONTROL_QUEUES 8 @@ -190,7 +192,15 @@ struct xlgmac_stats { /* Extra counters */ u64 tx_tso_packets; u64 rx_split_header_packets; + u64 tx_process_stopped; + u64 rx_process_stopped; + u64 tx_buffer_unavailable; u64 rx_buffer_unavailable; + u64 fatal_bus_error; + u64 tx_vlan_packets; + u64 rx_vlan_packets; + u64 napi_poll_isr; + u64 napi_poll_txtimer; }; struct xlgmac_ring_buf { @@ -622,6 +632,7 @@ struct xlgmac_pdata { void xlgmac_init_desc_ops(struct xlgmac_desc_ops *desc_ops); void xlgmac_init_hw_ops(struct xlgmac_hw_ops *hw_ops); const struct net_device_ops *xlgmac_get_netdev_ops(void); +const struct ethtool_ops *xlgmac_get_ethtool_ops(void); void xlgmac_dump_tx_desc(struct xlgmac_pdata *pdata, struct xlgmac_ring *ring, unsigned int idx, diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index 4747ad48b3cc..768b3ae6ae8f 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -633,7 +633,7 @@ struct nvsp_message { #define NETVSC_PACKET_SIZE 4096 -#define VRSS_SEND_TAB_SIZE 16 +#define VRSS_SEND_TAB_SIZE 16 /* must be power of 2 */ #define VRSS_CHANNEL_MAX 64 #define VRSS_CHANNEL_DEFAULT 8 diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index f24c2891dd0c..51fa90365348 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -191,6 +191,54 @@ static void *init_ppi_data(struct rndis_message *msg, u32 ppi_size, return ppi; } +/* Azure hosts don't support non-TCP port numbers in hashing yet. We compute + * hash for non-TCP traffic with only IP numbers. + */ +static inline u32 netvsc_get_hash(struct sk_buff *skb, struct sock *sk) +{ + struct flow_keys flow; + u32 hash; + static u32 hashrnd __read_mostly; + + net_get_random_once(&hashrnd, sizeof(hashrnd)); + + if (!skb_flow_dissect_flow_keys(skb, &flow, 0)) + return 0; + + if (flow.basic.ip_proto == IPPROTO_TCP) { + return skb_get_hash(skb); + } else { + if (flow.basic.n_proto == htons(ETH_P_IP)) + hash = jhash2((u32 *)&flow.addrs.v4addrs, 2, hashrnd); + else if (flow.basic.n_proto == htons(ETH_P_IPV6)) + hash = jhash2((u32 *)&flow.addrs.v6addrs, 8, hashrnd); + else + hash = 0; + + skb_set_hash(skb, hash, PKT_HASH_TYPE_L3); + } + + return hash; +} + +static inline int netvsc_get_tx_queue(struct net_device *ndev, + struct sk_buff *skb, int old_idx) +{ + const struct net_device_context *ndc = netdev_priv(ndev); + struct sock *sk = skb->sk; + int q_idx; + + q_idx = ndc->tx_send_table[netvsc_get_hash(skb, sk) & + (VRSS_SEND_TAB_SIZE - 1)]; + + /* If queue index changed record the new value */ + if (q_idx != old_idx && + sk && sk_fullsock(sk) && rcu_access_pointer(sk->sk_dst_cache)) + sk_tx_queue_set(sk, q_idx); + + return q_idx; +} + /* * Select queue for transmit. * @@ -205,24 +253,22 @@ static void *init_ppi_data(struct rndis_message *msg, u32 ppi_size, static u16 netvsc_select_queue(struct net_device *ndev, struct sk_buff *skb, void *accel_priv, select_queue_fallback_t fallback) { - struct net_device_context *net_device_ctx = netdev_priv(ndev); unsigned int num_tx_queues = ndev->real_num_tx_queues; - struct sock *sk = skb->sk; - int q_idx = sk_tx_queue_get(sk); - - if (q_idx < 0 || skb->ooo_okay || q_idx >= num_tx_queues) { - u16 hash = __skb_tx_hash(ndev, skb, VRSS_SEND_TAB_SIZE); - int new_idx; - - new_idx = net_device_ctx->tx_send_table[hash] % num_tx_queues; + int q_idx = sk_tx_queue_get(skb->sk); - if (q_idx != new_idx && sk && - sk_fullsock(sk) && rcu_access_pointer(sk->sk_dst_cache)) - sk_tx_queue_set(sk, new_idx); - - q_idx = new_idx; + if (q_idx < 0 || skb->ooo_okay) { + /* If forwarding a packet, we use the recorded queue when + * available for better cache locality. + */ + if (skb_rx_queue_recorded(skb)) + q_idx = skb_get_rx_queue(skb); + else + q_idx = netvsc_get_tx_queue(ndev, skb, q_idx); } + while (unlikely(q_idx >= num_tx_queues)) + q_idx -= num_tx_queues; + return q_idx; } diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index ff0a5ed3ca80..9eb7a69be92a 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -1590,8 +1590,9 @@ static int parse_sa_config(struct nlattr **attrs, struct nlattr **tb_sa) if (!attrs[MACSEC_ATTR_SA_CONFIG]) return -EINVAL; - if (nla_parse_nested(tb_sa, MACSEC_SA_ATTR_MAX, attrs[MACSEC_ATTR_SA_CONFIG], - macsec_genl_sa_policy)) + if (nla_parse_nested(tb_sa, MACSEC_SA_ATTR_MAX, + attrs[MACSEC_ATTR_SA_CONFIG], + macsec_genl_sa_policy, NULL)) return -EINVAL; return 0; @@ -1602,8 +1603,9 @@ static int parse_rxsc_config(struct nlattr **attrs, struct nlattr **tb_rxsc) if (!attrs[MACSEC_ATTR_RXSC_CONFIG]) return -EINVAL; - if (nla_parse_nested(tb_rxsc, MACSEC_RXSC_ATTR_MAX, attrs[MACSEC_ATTR_RXSC_CONFIG], - macsec_genl_rxsc_policy)) + if (nla_parse_nested(tb_rxsc, MACSEC_RXSC_ATTR_MAX, + attrs[MACSEC_ATTR_RXSC_CONFIG], + macsec_genl_rxsc_policy, NULL)) return -EINVAL; return 0; diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index bf7d614ff18f..6afbd973a779 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -176,7 +176,9 @@ struct phy_setting { u32 setting; }; -/* A mapping of all SUPPORTED settings to speed/duplex */ +/* A mapping of all SUPPORTED settings to speed/duplex. This table + * must be grouped by speed and sorted in descending match priority + * - iow, descending speed. */ static const struct phy_setting settings[] = { { .speed = SPEED_10000, @@ -235,45 +237,70 @@ static const struct phy_setting settings[] = { }, }; -#define MAX_NUM_SETTINGS ARRAY_SIZE(settings) - /** - * phy_find_setting - find a PHY settings array entry that matches speed & duplex + * phy_lookup_setting - lookup a PHY setting * @speed: speed to match * @duplex: duplex to match + * @feature: allowed link modes + * @exact: an exact match is required + * + * Search the settings array for a setting that matches the speed and + * duplex, and which is supported. + * + * If @exact is unset, either an exact match or %NULL for no match will + * be returned. * - * Description: Searches the settings array for the setting which - * matches the desired speed and duplex, and returns the index - * of that setting. Returns the index of the last setting if - * none of the others match. + * If @exact is set, an exact match, the fastest supported setting at + * or below the specified speed, the slowest supported setting, or if + * they all fail, %NULL will be returned. */ -static inline unsigned int phy_find_setting(int speed, int duplex) +static const struct phy_setting * +phy_lookup_setting(int speed, int duplex, u32 features, bool exact) { - unsigned int idx = 0; + const struct phy_setting *p, *match = NULL, *last = NULL; + int i; + + for (i = 0, p = settings; i < ARRAY_SIZE(settings); i++, p++) { + if (p->setting & features) { + last = p; + if (p->speed == speed && p->duplex == duplex) { + /* Exact match for speed and duplex */ + match = p; + break; + } else if (!exact) { + if (!match && p->speed <= speed) + /* Candidate */ + match = p; - while (idx < ARRAY_SIZE(settings) && - (settings[idx].speed != speed || settings[idx].duplex != duplex)) - idx++; + if (p->speed < speed) + break; + } + } + } - return idx < MAX_NUM_SETTINGS ? idx : MAX_NUM_SETTINGS - 1; + if (!match && !exact) + match = last; + + return match; } /** - * phy_find_valid - find a PHY setting that matches the requested features mask - * @idx: The first index in settings[] to search - * @features: A mask of the valid settings + * phy_find_valid - find a PHY setting that matches the requested parameters + * @speed: desired speed + * @duplex: desired duplex + * @supported: mask of supported link modes * - * Description: Returns the index of the first valid setting less - * than or equal to the one pointed to by idx, as determined by - * the mask in features. Returns the index of the last setting - * if nothing else matches. + * Locate a supported phy setting that is, in priority order: + * - an exact match for the specified speed and duplex mode + * - a match for the specified speed, or slower speed + * - the slowest supported speed + * Returns the matched phy_setting entry, or %NULL if no supported phy + * settings were found. */ -static inline unsigned int phy_find_valid(unsigned int idx, u32 features) +static const struct phy_setting * +phy_find_valid(int speed, int duplex, u32 supported) { - while (idx < MAX_NUM_SETTINGS && !(settings[idx].setting & features)) - idx++; - - return idx < MAX_NUM_SETTINGS ? idx : MAX_NUM_SETTINGS - 1; + return phy_lookup_setting(speed, duplex, supported, false); } /** @@ -293,20 +320,11 @@ unsigned int phy_supported_speeds(struct phy_device *phy, unsigned int count = 0; unsigned int idx = 0; - while (idx < MAX_NUM_SETTINGS && count < size) { - idx = phy_find_valid(idx, phy->supported); - - if (!(settings[idx].setting & phy->supported)) - break; - + for (idx = 0; idx < ARRAY_SIZE(settings) && count < size; idx++) /* Assumes settings are grouped by speed */ - if ((count == 0) || - (speeds[count - 1] != settings[idx].speed)) { - speeds[count] = settings[idx].speed; - count++; - } - idx++; - } + if ((settings[idx].setting & phy->supported) && + (count == 0 || speeds[count - 1] != settings[idx].speed)) + speeds[count++] = settings[idx].speed; return count; } @@ -322,12 +340,7 @@ unsigned int phy_supported_speeds(struct phy_device *phy, */ static inline bool phy_check_valid(int speed, int duplex, u32 features) { - unsigned int idx; - - idx = phy_find_valid(phy_find_setting(speed, duplex), features); - - return settings[idx].speed == speed && settings[idx].duplex == duplex && - (settings[idx].setting & features); + return !!phy_lookup_setting(speed, duplex, features, true); } /** @@ -340,18 +353,22 @@ static inline bool phy_check_valid(int speed, int duplex, u32 features) */ static void phy_sanitize_settings(struct phy_device *phydev) { + const struct phy_setting *setting; u32 features = phydev->supported; - unsigned int idx; /* Sanitize settings based on PHY capabilities */ if ((features & SUPPORTED_Autoneg) == 0) phydev->autoneg = AUTONEG_DISABLE; - idx = phy_find_valid(phy_find_setting(phydev->speed, phydev->duplex), - features); - - phydev->speed = settings[idx].speed; - phydev->duplex = settings[idx].duplex; + setting = phy_find_valid(phydev->speed, phydev->duplex, features); + if (setting) { + phydev->speed = setting->speed; + phydev->duplex = setting->duplex; + } else { + /* We failed to find anything (no supported speeds?) */ + phydev->speed = SPEED_UNKNOWN; + phydev->duplex = DUPLEX_UNKNOWN; + } } /** diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 1b52520715ae..450b6a9fdec7 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -990,7 +990,7 @@ static void team_port_disable(struct team *team, #define TEAM_ENC_FEATURES (NETIF_F_HW_CSUM | NETIF_F_SG | \ NETIF_F_RXCSUM | NETIF_F_ALL_TSO) -static void ___team_compute_features(struct team *team) +static void __team_compute_features(struct team *team) { struct team_port *port; u32 vlan_features = TEAM_VLAN_FEATURES & NETIF_F_ALL_FOR_ALL; @@ -1023,16 +1023,10 @@ static void ___team_compute_features(struct team *team) team->dev->priv_flags |= IFF_XMIT_DST_RELEASE; } -static void __team_compute_features(struct team *team) -{ - ___team_compute_features(team); - netdev_change_features(team->dev); -} - static void team_compute_features(struct team *team) { mutex_lock(&team->lock); - ___team_compute_features(team); + __team_compute_features(team); mutex_unlock(&team->lock); netdev_change_features(team->dev); } @@ -1641,6 +1635,7 @@ static void team_uninit(struct net_device *dev) team_notify_peers_fini(team); team_queue_override_fini(team); mutex_unlock(&team->lock); + netdev_change_features(dev); } static void team_destructor(struct net_device *dev) @@ -1928,6 +1923,10 @@ static int team_add_slave(struct net_device *dev, struct net_device *port_dev) mutex_lock(&team->lock); err = team_port_add(team, port_dev); mutex_unlock(&team->lock); + + if (!err) + netdev_change_features(dev); + return err; } @@ -1939,6 +1938,10 @@ static int team_del_slave(struct net_device *dev, struct net_device *port_dev) mutex_lock(&team->lock); err = team_port_del(team, port_dev); mutex_unlock(&team->lock); + + if (!err) + netdev_change_features(dev); + return err; } @@ -2471,7 +2474,8 @@ static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info) goto team_put; } err = nla_parse_nested(opt_attrs, TEAM_ATTR_OPTION_MAX, - nl_option, team_nl_option_policy); + nl_option, team_nl_option_policy, + info->extack); if (err) goto team_put; if (!opt_attrs[TEAM_ATTR_OPTION_NAME] || diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index adbed261cc8a..a3ed8115747c 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -1202,7 +1202,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)}, /* Telit LE922A */ {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ - {QMI_FIXED_INTF(0x1bc7, 0x1201, 2)}, /* Telit LE920 */ + {QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)}, /* Telit LE920, LE920A4 */ {QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)}, /* XS Stick W100-2 from 4G Systems */ {QMI_FIXED_INTF(0x0b3c, 0xc000, 4)}, /* Olivetti Olicard 100 */ {QMI_FIXED_INTF(0x0b3c, 0xc001, 4)}, /* Olivetti Olicard 120 */ diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index c2f67cecdf5b..4db2b6e0ba62 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -33,7 +33,7 @@ #include "smsc95xx.h" #define SMSC_CHIPNAME "smsc95xx" -#define SMSC_DRIVER_VERSION "1.0.5" +#define SMSC_DRIVER_VERSION "1.0.6" #define HS_USB_PKT_SIZE (512) #define FS_USB_PKT_SIZE (64) #define DEFAULT_HS_BURST_CAP_SIZE (16 * 1024 + 5 * HS_USB_PKT_SIZE) @@ -1499,7 +1499,7 @@ static int smsc95xx_enter_suspend3(struct usbnet *dev) if (ret < 0) return ret; - if (val & 0xFFFF) { + if (val & RX_FIFO_INF_USED_) { netdev_info(dev->net, "rx fifo not empty in autosuspend\n"); return -EBUSY; } diff --git a/drivers/net/usb/smsc95xx.h b/drivers/net/usb/smsc95xx.h index 29a4d9efce7c..cfc704f3a460 100644 --- a/drivers/net/usb/smsc95xx.h +++ b/drivers/net/usb/smsc95xx.h @@ -21,218 +21,280 @@ #define _SMSC95XX_H /* Tx command words */ -#define TX_CMD_A_DATA_OFFSET_ (0x001F0000) -#define TX_CMD_A_FIRST_SEG_ (0x00002000) -#define TX_CMD_A_LAST_SEG_ (0x00001000) -#define TX_CMD_A_BUF_SIZE_ (0x000007FF) +#define TX_CMD_A_DATA_OFFSET_ (0x001F0000) /* Data Start Offset */ +#define TX_CMD_A_FIRST_SEG_ (0x00002000) /* First Segment */ +#define TX_CMD_A_LAST_SEG_ (0x00001000) /* Last Segment */ +#define TX_CMD_A_BUF_SIZE_ (0x000007FF) /* Buffer Size */ -#define TX_CMD_B_CSUM_ENABLE (0x00004000) -#define TX_CMD_B_ADD_CRC_DISABLE_ (0x00002000) -#define TX_CMD_B_DISABLE_PADDING_ (0x00001000) -#define TX_CMD_B_PKT_BYTE_LENGTH_ (0x000007FF) +#define TX_CMD_B_CSUM_ENABLE (0x00004000) /* TX Checksum Enable */ +#define TX_CMD_B_ADD_CRC_DIS_ (0x00002000) /* Add CRC Disable */ +#define TX_CMD_B_DIS_PADDING_ (0x00001000) /* Disable Frame Padding */ +#define TX_CMD_B_FRAME_LENGTH_ (0x000007FF) /* Frame Length (bytes) */ /* Rx status word */ -#define RX_STS_FF_ (0x40000000) /* Filter Fail */ -#define RX_STS_FL_ (0x3FFF0000) /* Frame Length */ -#define RX_STS_ES_ (0x00008000) /* Error Summary */ -#define RX_STS_BF_ (0x00002000) /* Broadcast Frame */ -#define RX_STS_LE_ (0x00001000) /* Length Error */ -#define RX_STS_RF_ (0x00000800) /* Runt Frame */ -#define RX_STS_MF_ (0x00000400) /* Multicast Frame */ -#define RX_STS_TL_ (0x00000080) /* Frame too long */ -#define RX_STS_CS_ (0x00000040) /* Collision Seen */ -#define RX_STS_FT_ (0x00000020) /* Frame Type */ -#define RX_STS_RW_ (0x00000010) /* Receive Watchdog */ -#define RX_STS_ME_ (0x00000008) /* Mii Error */ -#define RX_STS_DB_ (0x00000004) /* Dribbling */ -#define RX_STS_CRC_ (0x00000002) /* CRC Error */ - -/* SCSRs */ -#define ID_REV (0x00) -#define ID_REV_CHIP_ID_MASK_ (0xFFFF0000) -#define ID_REV_CHIP_REV_MASK_ (0x0000FFFF) -#define ID_REV_CHIP_ID_9500_ (0x9500) -#define ID_REV_CHIP_ID_9500A_ (0x9E00) -#define ID_REV_CHIP_ID_9512_ (0xEC00) -#define ID_REV_CHIP_ID_9530_ (0x9530) -#define ID_REV_CHIP_ID_89530_ (0x9E08) -#define ID_REV_CHIP_ID_9730_ (0x9730) - -#define INT_STS (0x08) -#define INT_STS_TX_STOP_ (0x00020000) -#define INT_STS_RX_STOP_ (0x00010000) -#define INT_STS_PHY_INT_ (0x00008000) -#define INT_STS_TXE_ (0x00004000) -#define INT_STS_TDFU_ (0x00002000) -#define INT_STS_TDFO_ (0x00001000) -#define INT_STS_RXDF_ (0x00000800) -#define INT_STS_GPIOS_ (0x000007FF) -#define INT_STS_CLEAR_ALL_ (0xFFFFFFFF) - -#define RX_CFG (0x0C) -#define RX_FIFO_FLUSH_ (0x00000001) - -#define TX_CFG (0x10) -#define TX_CFG_ON_ (0x00000004) -#define TX_CFG_STOP_ (0x00000002) -#define TX_CFG_FIFO_FLUSH_ (0x00000001) - -#define HW_CFG (0x14) -#define HW_CFG_BIR_ (0x00001000) -#define HW_CFG_LEDB_ (0x00000800) -#define HW_CFG_RXDOFF_ (0x00000600) -#define HW_CFG_DRP_ (0x00000040) -#define HW_CFG_MEF_ (0x00000020) -#define HW_CFG_LRST_ (0x00000008) -#define HW_CFG_PSEL_ (0x00000004) -#define HW_CFG_BCE_ (0x00000002) -#define HW_CFG_SRST_ (0x00000001) - -#define RX_FIFO_INF (0x18) - -#define PM_CTRL (0x20) -#define PM_CTL_RES_CLR_WKP_STS (0x00000200) -#define PM_CTL_DEV_RDY_ (0x00000080) -#define PM_CTL_SUS_MODE_ (0x00000060) -#define PM_CTL_SUS_MODE_0 (0x00000000) -#define PM_CTL_SUS_MODE_1 (0x00000020) -#define PM_CTL_SUS_MODE_2 (0x00000040) -#define PM_CTL_SUS_MODE_3 (0x00000060) -#define PM_CTL_PHY_RST_ (0x00000010) -#define PM_CTL_WOL_EN_ (0x00000008) -#define PM_CTL_ED_EN_ (0x00000004) -#define PM_CTL_WUPS_ (0x00000003) -#define PM_CTL_WUPS_NO_ (0x00000000) -#define PM_CTL_WUPS_ED_ (0x00000001) -#define PM_CTL_WUPS_WOL_ (0x00000002) -#define PM_CTL_WUPS_MULTI_ (0x00000003) - -#define LED_GPIO_CFG (0x24) -#define LED_GPIO_CFG_SPD_LED (0x01000000) -#define LED_GPIO_CFG_LNK_LED (0x00100000) -#define LED_GPIO_CFG_FDX_LED (0x00010000) - -#define GPIO_CFG (0x28) - -#define AFC_CFG (0x2C) - +#define RX_STS_FF_ (0x40000000) /* Filter Fail */ +#define RX_STS_FL_ (0x3FFF0000) /* Frame Length */ +#define RX_STS_ES_ (0x00008000) /* Error Summary */ +#define RX_STS_BF_ (0x00002000) /* Broadcast Frame */ +#define RX_STS_LE_ (0x00001000) /* Length Error */ +#define RX_STS_RF_ (0x00000800) /* Runt Frame */ +#define RX_STS_MF_ (0x00000400) /* Multicast Frame */ +#define RX_STS_TL_ (0x00000080) /* Frame too long */ +#define RX_STS_CS_ (0x00000040) /* Collision Seen */ +#define RX_STS_FT_ (0x00000020) /* Frame Type */ +#define RX_STS_RW_ (0x00000010) /* Receive Watchdog */ +#define RX_STS_ME_ (0x00000008) /* MII Error */ +#define RX_STS_DB_ (0x00000004) /* Dribbling */ +#define RX_STS_CRC_ (0x00000002) /* CRC Error */ + +/* SCSRs - System Control and Status Registers */ +/* Device ID and Revision Register */ +#define ID_REV (0x00) +#define ID_REV_CHIP_ID_MASK_ (0xFFFF0000) +#define ID_REV_CHIP_REV_MASK_ (0x0000FFFF) +#define ID_REV_CHIP_ID_9500_ (0x9500) +#define ID_REV_CHIP_ID_9500A_ (0x9E00) +#define ID_REV_CHIP_ID_9512_ (0xEC00) +#define ID_REV_CHIP_ID_9530_ (0x9530) +#define ID_REV_CHIP_ID_89530_ (0x9E08) +#define ID_REV_CHIP_ID_9730_ (0x9730) + +/* Interrupt Status Register */ +#define INT_STS (0x08) +#define INT_STS_MAC_RTO_ (0x00040000) /* MAC Reset Time Out */ +#define INT_STS_TX_STOP_ (0x00020000) /* TX Stopped */ +#define INT_STS_RX_STOP_ (0x00010000) /* RX Stopped */ +#define INT_STS_PHY_INT_ (0x00008000) /* PHY Interrupt */ +#define INT_STS_TXE_ (0x00004000) /* Transmitter Error */ +#define INT_STS_TDFU_ (0x00002000) /* TX Data FIFO Underrun */ +#define INT_STS_TDFO_ (0x00001000) /* TX Data FIFO Overrun */ +#define INT_STS_RXDF_ (0x00000800) /* RX Dropped Frame */ +#define INT_STS_GPIOS_ (0x000007FF) /* GPIOs Interrupts */ +#define INT_STS_CLEAR_ALL_ (0xFFFFFFFF) + +/* Receive Configuration Register */ +#define RX_CFG (0x0C) +#define RX_FIFO_FLUSH_ (0x00000001) /* Receive FIFO Flush */ + +/* Transmit Configuration Register */ +#define TX_CFG (0x10) +#define TX_CFG_ON_ (0x00000004) /* Transmitter Enable */ +#define TX_CFG_STOP_ (0x00000002) /* Stop Transmitter */ +#define TX_CFG_FIFO_FLUSH_ (0x00000001) /* Transmit FIFO Flush */ + +/* Hardware Configuration Register */ +#define HW_CFG (0x14) +#define HW_CFG_BIR_ (0x00001000) /* Bulk In Empty Response */ +#define HW_CFG_LEDB_ (0x00000800) /* Activity LED 80ms Bypass */ +#define HW_CFG_RXDOFF_ (0x00000600) /* RX Data Offset */ +#define HW_CFG_SBP_ (0x00000100) /* Stall Bulk Out Pipe Dis. */ +#define HW_CFG_IME_ (0x00000080) /* Internal MII Visi. Enable */ +#define HW_CFG_DRP_ (0x00000040) /* Discard Errored RX Frame */ +#define HW_CFG_MEF_ (0x00000020) /* Mult. ETH Frames/USB pkt */ +#define HW_CFG_ETC_ (0x00000010) /* EEPROM Timeout Control */ +#define HW_CFG_LRST_ (0x00000008) /* Soft Lite Reset */ +#define HW_CFG_PSEL_ (0x00000004) /* External PHY Select */ +#define HW_CFG_BCE_ (0x00000002) /* Burst Cap Enable */ +#define HW_CFG_SRST_ (0x00000001) /* Soft Reset */ + +/* Receive FIFO Information Register */ +#define RX_FIFO_INF (0x18) +#define RX_FIFO_INF_USED_ (0x0000FFFF) /* RX Data FIFO Used Space */ + +/* Transmit FIFO Information Register */ +#define TX_FIFO_INF (0x1C) +#define TX_FIFO_INF_FREE_ (0x0000FFFF) /* TX Data FIFO Free Space */ + +/* Power Management Control Register */ +#define PM_CTRL (0x20) +#define PM_CTL_RES_CLR_WKP_STS (0x00000200) /* Resume Clears Wakeup STS */ +#define PM_CTL_RES_CLR_WKP_EN (0x00000100) /* Resume Clears Wkp Enables */ +#define PM_CTL_DEV_RDY_ (0x00000080) /* Device Ready */ +#define PM_CTL_SUS_MODE_ (0x00000060) /* Suspend Mode */ +#define PM_CTL_SUS_MODE_0 (0x00000000) +#define PM_CTL_SUS_MODE_1 (0x00000020) +#define PM_CTL_SUS_MODE_2 (0x00000040) +#define PM_CTL_SUS_MODE_3 (0x00000060) +#define PM_CTL_PHY_RST_ (0x00000010) /* PHY Reset */ +#define PM_CTL_WOL_EN_ (0x00000008) /* Wake On Lan Enable */ +#define PM_CTL_ED_EN_ (0x00000004) /* Energy Detect Enable */ +#define PM_CTL_WUPS_ (0x00000003) /* Wake Up Status */ +#define PM_CTL_WUPS_NO_ (0x00000000) /* No Wake Up Event Detected */ +#define PM_CTL_WUPS_ED_ (0x00000001) /* Energy Detect */ +#define PM_CTL_WUPS_WOL_ (0x00000002) /* Wake On Lan */ +#define PM_CTL_WUPS_MULTI_ (0x00000003) /* Multiple Events Occurred */ + +/* LED General Purpose IO Configuration Register */ +#define LED_GPIO_CFG (0x24) +#define LED_GPIO_CFG_SPD_LED (0x01000000) /* GPIOz as Speed LED */ +#define LED_GPIO_CFG_LNK_LED (0x00100000) /* GPIOy as Link LED */ +#define LED_GPIO_CFG_FDX_LED (0x00010000) /* GPIOx as Full Duplex LED */ + +/* General Purpose IO Configuration Register */ +#define GPIO_CFG (0x28) + +/* Automatic Flow Control Configuration Register */ +#define AFC_CFG (0x2C) +#define AFC_CFG_HI_ (0x00FF0000) /* Auto Flow Ctrl High Level */ +#define AFC_CFG_LO_ (0x0000FF00) /* Auto Flow Ctrl Low Level */ +#define AFC_CFG_BACK_DUR_ (0x000000F0) /* Back Pressure Duration */ +#define AFC_CFG_FC_MULT_ (0x00000008) /* Flow Ctrl on Mcast Frame */ +#define AFC_CFG_FC_BRD_ (0x00000004) /* Flow Ctrl on Bcast Frame */ +#define AFC_CFG_FC_ADD_ (0x00000002) /* Flow Ctrl on Addr. Decode */ +#define AFC_CFG_FC_ANY_ (0x00000001) /* Flow Ctrl on Any Frame */ /* Hi watermark = 15.5Kb (~10 mtu pkts) */ /* low watermark = 3k (~2 mtu pkts) */ /* backpressure duration = ~ 350us */ /* Apply FC on any frame. */ -#define AFC_CFG_DEFAULT (0x00F830A1) - -#define E2P_CMD (0x30) -#define E2P_CMD_BUSY_ (0x80000000) -#define E2P_CMD_MASK_ (0x70000000) -#define E2P_CMD_READ_ (0x00000000) -#define E2P_CMD_EWDS_ (0x10000000) -#define E2P_CMD_EWEN_ (0x20000000) -#define E2P_CMD_WRITE_ (0x30000000) -#define E2P_CMD_WRAL_ (0x40000000) -#define E2P_CMD_ERASE_ (0x50000000) -#define E2P_CMD_ERAL_ (0x60000000) -#define E2P_CMD_RELOAD_ (0x70000000) -#define E2P_CMD_TIMEOUT_ (0x00000400) -#define E2P_CMD_LOADED_ (0x00000200) -#define E2P_CMD_ADDR_ (0x000001FF) - -#define MAX_EEPROM_SIZE (512) - -#define E2P_DATA (0x34) -#define E2P_DATA_MASK_ (0x000000FF) - -#define BURST_CAP (0x38) - +#define AFC_CFG_DEFAULT (0x00F830A1) + +/* EEPROM Command Register */ +#define E2P_CMD (0x30) +#define E2P_CMD_BUSY_ (0x80000000) /* E2P Controller Busy */ +#define E2P_CMD_MASK_ (0x70000000) /* Command Mask (see below) */ +#define E2P_CMD_READ_ (0x00000000) /* Read Location */ +#define E2P_CMD_EWDS_ (0x10000000) /* Erase/Write Disable */ +#define E2P_CMD_EWEN_ (0x20000000) /* Erase/Write Enable */ +#define E2P_CMD_WRITE_ (0x30000000) /* Write Location */ +#define E2P_CMD_WRAL_ (0x40000000) /* Write All */ +#define E2P_CMD_ERASE_ (0x50000000) /* Erase Location */ +#define E2P_CMD_ERAL_ (0x60000000) /* Erase All */ +#define E2P_CMD_RELOAD_ (0x70000000) /* Data Reload */ +#define E2P_CMD_TIMEOUT_ (0x00000400) /* Set if no resp within 30ms */ +#define E2P_CMD_LOADED_ (0x00000200) /* Valid EEPROM found */ +#define E2P_CMD_ADDR_ (0x000001FF) /* Byte aligned address */ + +#define MAX_EEPROM_SIZE (512) + +/* EEPROM Data Register */ +#define E2P_DATA (0x34) +#define E2P_DATA_MASK_ (0x000000FF) /* EEPROM Data Mask */ + +/* Burst Cap Register */ +#define BURST_CAP (0x38) +#define BURST_CAP_MASK_ (0x000000FF) /* Max burst sent by the UTX */ + +/* Configuration Straps Status Register */ #define STRAP_STATUS (0x3C) -#define STRAP_STATUS_PWR_SEL_ (0x00000020) -#define STRAP_STATUS_AMDIX_EN_ (0x00000010) -#define STRAP_STATUS_PORT_SWAP_ (0x00000008) -#define STRAP_STATUS_EEP_SIZE_ (0x00000004) -#define STRAP_STATUS_RMT_WKP_ (0x00000002) -#define STRAP_STATUS_EEP_DISABLE_ (0x00000001) - -#define GPIO_WAKE (0x64) - -#define INT_EP_CTL (0x68) -#define INT_EP_CTL_INTEP_ (0x80000000) -#define INT_EP_CTL_MACRTO_ (0x00080000) -#define INT_EP_CTL_TX_STOP_ (0x00020000) -#define INT_EP_CTL_RX_STOP_ (0x00010000) -#define INT_EP_CTL_PHY_INT_ (0x00008000) -#define INT_EP_CTL_TXE_ (0x00004000) -#define INT_EP_CTL_TDFU_ (0x00002000) -#define INT_EP_CTL_TDFO_ (0x00001000) -#define INT_EP_CTL_RXDF_ (0x00000800) -#define INT_EP_CTL_GPIOS_ (0x000007FF) - -#define BULK_IN_DLY (0x6C) - -/* MAC CSRs */ -#define MAC_CR (0x100) -#define MAC_CR_RXALL_ (0x80000000) -#define MAC_CR_RCVOWN_ (0x00800000) -#define MAC_CR_LOOPBK_ (0x00200000) -#define MAC_CR_FDPX_ (0x00100000) -#define MAC_CR_MCPAS_ (0x00080000) -#define MAC_CR_PRMS_ (0x00040000) -#define MAC_CR_INVFILT_ (0x00020000) -#define MAC_CR_PASSBAD_ (0x00010000) -#define MAC_CR_HFILT_ (0x00008000) -#define MAC_CR_HPFILT_ (0x00002000) -#define MAC_CR_LCOLL_ (0x00001000) -#define MAC_CR_BCAST_ (0x00000800) -#define MAC_CR_DISRTY_ (0x00000400) -#define MAC_CR_PADSTR_ (0x00000100) -#define MAC_CR_BOLMT_MASK (0x000000C0) -#define MAC_CR_DFCHK_ (0x00000020) -#define MAC_CR_TXEN_ (0x00000008) -#define MAC_CR_RXEN_ (0x00000004) - -#define ADDRH (0x104) - -#define ADDRL (0x108) - -#define HASHH (0x10C) - -#define HASHL (0x110) - -#define MII_ADDR (0x114) -#define MII_WRITE_ (0x02) -#define MII_BUSY_ (0x01) -#define MII_READ_ (0x00) /* ~of MII Write bit */ - -#define MII_DATA (0x118) - -#define FLOW (0x11C) -#define FLOW_FCPT_ (0xFFFF0000) -#define FLOW_FCPASS_ (0x00000004) -#define FLOW_FCEN_ (0x00000002) -#define FLOW_FCBSY_ (0x00000001) - -#define VLAN1 (0x120) - -#define VLAN2 (0x124) - -#define WUFF (0x128) -#define LAN9500_WUFF_NUM (4) -#define LAN9500A_WUFF_NUM (8) - -#define WUCSR (0x12C) -#define WUCSR_WFF_PTR_RST_ (0x80000000) -#define WUCSR_GUE_ (0x00000200) -#define WUCSR_WUFR_ (0x00000040) -#define WUCSR_MPR_ (0x00000020) -#define WUCSR_WAKE_EN_ (0x00000004) -#define WUCSR_MPEN_ (0x00000002) - -#define COE_CR (0x130) -#define Tx_COE_EN_ (0x00010000) -#define Rx_COE_MODE_ (0x00000002) -#define Rx_COE_EN_ (0x00000001) - -/* Vendor-specific PHY Definitions */ - +#define STRAP_STATUS_PWR_SEL_ (0x00000020) /* Device self-powered */ +#define STRAP_STATUS_AMDIX_EN_ (0x00000010) /* Auto-MDIX Enabled */ +#define STRAP_STATUS_PORT_SWAP_ (0x00000008) /* USBD+/USBD- Swapped */ +#define STRAP_STATUS_EEP_SIZE_ (0x00000004) /* EEPROM Size */ +#define STRAP_STATUS_RMT_WKP_ (0x00000002) /* Remote Wkp supported */ +#define STRAP_STATUS_EEP_DISABLE_ (0x00000001) /* EEPROM Disabled */ + +/* Data Port Select Register */ +#define DP_SEL (0x40) + +/* Data Port Command Register */ +#define DP_CMD (0x44) + +/* Data Port Address Register */ +#define DP_ADDR (0x48) + +/* Data Port Data 0 Register */ +#define DP_DATA0 (0x4C) + +/* Data Port Data 1 Register */ +#define DP_DATA1 (0x50) + +/* General Purpose IO Wake Enable and Polarity Register */ +#define GPIO_WAKE (0x64) + +/* Interrupt Endpoint Control Register */ +#define INT_EP_CTL (0x68) +#define INT_EP_CTL_INTEP_ (0x80000000) /* Always TX Interrupt PKT */ +#define INT_EP_CTL_MAC_RTO_ (0x00080000) /* MAC Reset Time Out */ +#define INT_EP_CTL_RX_FIFO_ (0x00040000) /* RX FIFO Has Frame */ +#define INT_EP_CTL_TX_STOP_ (0x00020000) /* TX Stopped */ +#define INT_EP_CTL_RX_STOP_ (0x00010000) /* RX Stopped */ +#define INT_EP_CTL_PHY_INT_ (0x00008000) /* PHY Interrupt */ +#define INT_EP_CTL_TXE_ (0x00004000) /* TX Error */ +#define INT_EP_CTL_TDFU_ (0x00002000) /* TX Data FIFO Underrun */ +#define INT_EP_CTL_TDFO_ (0x00001000) /* TX Data FIFO Overrun */ +#define INT_EP_CTL_RXDF_ (0x00000800) /* RX Dropped Frame */ +#define INT_EP_CTL_GPIOS_ (0x000007FF) /* GPIOs Interrupt Enable */ + +/* Bulk In Delay Register (units of 16.667ns, until ~1092µs) */ +#define BULK_IN_DLY (0x6C) + +/* MAC CSRs - MAC Control and Status Registers */ +/* MAC Control Register */ +#define MAC_CR (0x100) +#define MAC_CR_RXALL_ (0x80000000) /* Receive All Mode */ +#define MAC_CR_RCVOWN_ (0x00800000) /* Disable Receive Own */ +#define MAC_CR_LOOPBK_ (0x00200000) /* Loopback Operation Mode */ +#define MAC_CR_FDPX_ (0x00100000) /* Full Duplex Mode */ +#define MAC_CR_MCPAS_ (0x00080000) /* Pass All Multicast */ +#define MAC_CR_PRMS_ (0x00040000) /* Promiscuous Mode */ +#define MAC_CR_INVFILT_ (0x00020000) /* Inverse Filtering */ +#define MAC_CR_PASSBAD_ (0x00010000) /* Pass Bad Frames */ +#define MAC_CR_HFILT_ (0x00008000) /* Hash Only Filtering Mode */ +#define MAC_CR_HPFILT_ (0x00002000) /* Hash/Perfect Filt. Mode */ +#define MAC_CR_LCOLL_ (0x00001000) /* Late Collision Control */ +#define MAC_CR_BCAST_ (0x00000800) /* Disable Broadcast Frames */ +#define MAC_CR_DISRTY_ (0x00000400) /* Disable Retry */ +#define MAC_CR_PADSTR_ (0x00000100) /* Automatic Pad Stripping */ +#define MAC_CR_BOLMT_MASK (0x000000C0) /* BackOff Limit */ +#define MAC_CR_DFCHK_ (0x00000020) /* Deferral Check */ +#define MAC_CR_TXEN_ (0x00000008) /* Transmitter Enable */ +#define MAC_CR_RXEN_ (0x00000004) /* Receiver Enable */ + +/* MAC Address High Register */ +#define ADDRH (0x104) + +/* MAC Address Low Register */ +#define ADDRL (0x108) + +/* Multicast Hash Table High Register */ +#define HASHH (0x10C) + +/* Multicast Hash Table Low Register */ +#define HASHL (0x110) + +/* MII Access Register */ +#define MII_ADDR (0x114) +#define MII_WRITE_ (0x02) +#define MII_BUSY_ (0x01) +#define MII_READ_ (0x00) /* ~of MII Write bit */ + +/* MII Data Register */ +#define MII_DATA (0x118) + +/* Flow Control Register */ +#define FLOW (0x11C) +#define FLOW_FCPT_ (0xFFFF0000) /* Pause Time */ +#define FLOW_FCPASS_ (0x00000004) /* Pass Control Frames */ +#define FLOW_FCEN_ (0x00000002) /* Flow Control Enable */ +#define FLOW_FCBSY_ (0x00000001) /* Flow Control Busy */ + +/* VLAN1 Tag Register */ +#define VLAN1 (0x120) + +/* VLAN2 Tag Register */ +#define VLAN2 (0x124) + +/* Wake Up Frame Filter Register */ +#define WUFF (0x128) +#define LAN9500_WUFF_NUM (4) +#define LAN9500A_WUFF_NUM (8) + +/* Wake Up Control and Status Register */ +#define WUCSR (0x12C) +#define WUCSR_WFF_PTR_RST_ (0x80000000) /* WFrame Filter Pointer Rst */ +#define WUCSR_GUE_ (0x00000200) /* Global Unicast Enable */ +#define WUCSR_WUFR_ (0x00000040) /* Wakeup Frame Received */ +#define WUCSR_MPR_ (0x00000020) /* Magic Packet Received */ +#define WUCSR_WAKE_EN_ (0x00000004) /* Wakeup Frame Enable */ +#define WUCSR_MPEN_ (0x00000002) /* Magic Packet Enable */ + +/* Checksum Offload Engine Control Register */ +#define COE_CR (0x130) +#define Tx_COE_EN_ (0x00010000) /* TX Csum Offload Enable */ +#define Rx_COE_MODE_ (0x00000002) /* RX Csum Offload Mode */ +#define Rx_COE_EN_ (0x00000001) /* RX Csum Offload Enable */ + +/* Vendor-specific PHY Definitions (via MII access) */ /* EDPD NLP / crossover time configuration (LAN9500A only) */ #define PHY_EDPD_CONFIG (16) #define PHY_EDPD_CONFIG_TX_NLP_EN_ ((u16)0x8000) @@ -255,17 +317,20 @@ #define MODE_CTRL_STS_EDPWRDOWN_ ((u16)0x2000) #define MODE_CTRL_STS_ENERGYON_ ((u16)0x0002) +/* Control/Status Indication Register */ #define SPECIAL_CTRL_STS (27) #define SPECIAL_CTRL_STS_OVRRD_AMDIX_ ((u16)0x8000) #define SPECIAL_CTRL_STS_AMDIX_ENABLE_ ((u16)0x4000) #define SPECIAL_CTRL_STS_AMDIX_STATE_ ((u16)0x2000) +/* Interrupt Source Register */ #define PHY_INT_SRC (29) #define PHY_INT_SRC_ENERGY_ON_ ((u16)0x0080) #define PHY_INT_SRC_ANEG_COMP_ ((u16)0x0040) #define PHY_INT_SRC_REMOTE_FAULT_ ((u16)0x0020) #define PHY_INT_SRC_LINK_DOWN_ ((u16)0x0010) +/* Interrupt Mask Register */ #define PHY_INT_MASK (30) #define PHY_INT_MASK_ENERGY_ON_ ((u16)0x0080) #define PHY_INT_MASK_ANEG_COMP_ ((u16)0x0040) @@ -273,7 +338,7 @@ #define PHY_INT_MASK_LINK_DOWN_ ((u16)0x0010) #define PHY_INT_MASK_DEFAULT_ (PHY_INT_MASK_ANEG_COMP_ | \ PHY_INT_MASK_LINK_DOWN_) - +/* PHY Special Control/Status Register */ #define PHY_SPECIAL (31) #define PHY_SPECIAL_SPD_ ((u16)0x001C) #define PHY_SPECIAL_SPD_10HALF_ ((u16)0x0004) @@ -287,12 +352,13 @@ #define USB_VENDOR_REQUEST_GET_STATS 0xA2 /* Interrupt Endpoint status word bitfields */ -#define INT_ENP_TX_STOP_ ((u32)BIT(17)) -#define INT_ENP_RX_STOP_ ((u32)BIT(16)) -#define INT_ENP_PHY_INT_ ((u32)BIT(15)) -#define INT_ENP_TXE_ ((u32)BIT(14)) -#define INT_ENP_TDFU_ ((u32)BIT(13)) -#define INT_ENP_TDFO_ ((u32)BIT(12)) -#define INT_ENP_RXDF_ ((u32)BIT(11)) +#define INT_ENP_MAC_RTO_ ((u32)BIT(18)) /* MAC Reset Time Out */ +#define INT_ENP_TX_STOP_ ((u32)BIT(17)) /* TX Stopped */ +#define INT_ENP_RX_STOP_ ((u32)BIT(16)) /* RX Stopped */ +#define INT_ENP_PHY_INT_ ((u32)BIT(15)) /* PHY Interrupt */ +#define INT_ENP_TXE_ ((u32)BIT(14)) /* TX Error */ +#define INT_ENP_TDFU_ ((u32)BIT(13)) /* TX FIFO Underrun */ +#define INT_ENP_TDFO_ ((u32)BIT(12)) /* TX FIFO Overrun */ +#define INT_ENP_RXDF_ ((u32)BIT(11)) /* RX Dropped Frame */ #endif /* _SMSC95XX_H */ diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 1cc945cbeaa3..79048e72c1bd 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1975,7 +1975,7 @@ static int __usbnet_read_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, " value=0x%04x index=0x%04x size=%d\n", cmd, reqtype, value, index, size); - if (data) { + if (size) { buf = kmalloc(size, GFP_KERNEL); if (!buf) goto out; @@ -1984,8 +1984,13 @@ static int __usbnet_read_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, err = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), cmd, reqtype, value, index, buf, size, USB_CTRL_GET_TIMEOUT); - if (err > 0 && err <= size) - memcpy(data, buf, err); + if (err > 0 && err <= size) { + if (data) + memcpy(data, buf, err); + else + netdev_dbg(dev->net, + "Huh? Data requested but thrown away.\n"); + } kfree(buf); out: return err; @@ -2006,7 +2011,13 @@ static int __usbnet_write_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, buf = kmemdup(data, size, GFP_KERNEL); if (!buf) goto out; - } + } else { + if (size) { + WARN_ON_ONCE(1); + err = -EINVAL; + goto out; + } + } err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), cmd, reqtype, value, index, buf, size, diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 317103680675..38f0f03a29c8 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -368,7 +368,8 @@ static int veth_newlink(struct net *src_net, struct net_device *dev, ifmp = nla_data(nla_peer); err = rtnl_nla_parse_ifla(peer_tb, nla_data(nla_peer) + sizeof(struct ifinfomsg), - nla_len(nla_peer) - sizeof(struct ifinfomsg)); + nla_len(nla_peer) - sizeof(struct ifinfomsg), + NULL); if (err < 0) return err; diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index b0d241d110ec..666ada6130ab 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -2240,14 +2240,8 @@ static bool virtnet_validate_features(struct virtio_device *vdev) #define MIN_MTU ETH_MIN_MTU #define MAX_MTU ETH_MAX_MTU -static int virtnet_probe(struct virtio_device *vdev) +static int virtnet_validate(struct virtio_device *vdev) { - int i, err; - struct net_device *dev; - struct virtnet_info *vi; - u16 max_queue_pairs; - int mtu; - if (!vdev->config->get) { dev_err(&vdev->dev, "%s failure: config access disabled\n", __func__); @@ -2257,6 +2251,25 @@ static int virtnet_probe(struct virtio_device *vdev) if (!virtnet_validate_features(vdev)) return -EINVAL; + if (virtio_has_feature(vdev, VIRTIO_NET_F_MTU)) { + int mtu = virtio_cread16(vdev, + offsetof(struct virtio_net_config, + mtu)); + if (mtu < MIN_MTU) + __virtio_clear_bit(vdev, VIRTIO_NET_F_MTU); + } + + return 0; +} + +static int virtnet_probe(struct virtio_device *vdev) +{ + int i, err; + struct net_device *dev; + struct virtnet_info *vi; + u16 max_queue_pairs; + int mtu; + /* Find if host supports multiqueue virtio_net device */ err = virtio_cread_feature(vdev, VIRTIO_NET_F_MQ, struct virtio_net_config, @@ -2372,11 +2385,20 @@ static int virtnet_probe(struct virtio_device *vdev) offsetof(struct virtio_net_config, mtu)); if (mtu < dev->min_mtu) { - __virtio_clear_bit(vdev, VIRTIO_NET_F_MTU); - } else { - dev->mtu = mtu; - dev->max_mtu = mtu; + /* Should never trigger: MTU was previously validated + * in virtnet_validate. + */ + dev_err(&vdev->dev, "device MTU appears to have changed " + "it is now %d < %d", mtu, dev->min_mtu); + goto free_stats; } + + dev->mtu = mtu; + dev->max_mtu = mtu; + + /* TODO: size buffers correctly in this case. */ + if (dev->mtu > ETH_DATA_LEN) + vi->big_packets = true; } if (vi->any_header_sg) @@ -2554,6 +2576,7 @@ static struct virtio_driver virtio_net_driver = { .driver.name = KBUILD_MODNAME, .driver.owner = THIS_MODULE, .id_table = id_table, + .validate = virtnet_validate, .probe = virtnet_probe, .remove = virtnet_remove, .config_changed = virtnet_config_changed, diff --git a/drivers/net/wireless/ath/ath10k/testmode.c b/drivers/net/wireless/ath/ath10k/testmode.c index 8bb36c18a749..d8564624415c 100644 --- a/drivers/net/wireless/ath/ath10k/testmode.c +++ b/drivers/net/wireless/ath/ath10k/testmode.c @@ -420,8 +420,8 @@ int ath10k_tm_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct nlattr *tb[ATH10K_TM_ATTR_MAX + 1]; int ret; - ret = nla_parse(tb, ATH10K_TM_ATTR_MAX, data, len, - ath10k_tm_policy); + ret = nla_parse(tb, ATH10K_TM_ATTR_MAX, data, len, ath10k_tm_policy, + NULL); if (ret) return ret; diff --git a/drivers/net/wireless/ath/ath6kl/testmode.c b/drivers/net/wireless/ath/ath6kl/testmode.c index d67170ea1038..d8dcacda9add 100644 --- a/drivers/net/wireless/ath/ath6kl/testmode.c +++ b/drivers/net/wireless/ath/ath6kl/testmode.c @@ -74,8 +74,8 @@ int ath6kl_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev, int err, buf_len; void *buf; - err = nla_parse(tb, ATH6KL_TM_ATTR_MAX, data, len, - ath6kl_tm_policy); + err = nla_parse(tb, ATH6KL_TM_ATTR_MAX, data, len, ath6kl_tm_policy, + NULL); if (err) return err; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 486dcceed17a..841bfdff8750 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -3711,7 +3711,8 @@ static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm, int err; u32 noa_duration; - err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy); + err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy, + NULL); if (err) return err; diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 50c219fb1a52..84a0e242ffdb 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -389,7 +389,7 @@ static int mac80211_hwsim_vendor_cmd_test(struct wiphy *wiphy, u32 val; err = nla_parse(tb, QCA_WLAN_VENDOR_ATTR_MAX, data, data_len, - hwsim_vendor_test_policy); + hwsim_vendor_test_policy, NULL); if (err) return err; if (!tb[QCA_WLAN_VENDOR_ATTR_TEST]) @@ -1852,7 +1852,7 @@ static int mac80211_hwsim_testmode_cmd(struct ieee80211_hw *hw, int err, ps; err = nla_parse(tb, HWSIM_TM_ATTR_MAX, data, len, - hwsim_testmode_policy); + hwsim_testmode_policy, NULL); if (err) return err; diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c index 44d06177859e..252e802df8fe 100644 --- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c +++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c @@ -4016,8 +4016,8 @@ static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev, if (!priv) return -EINVAL; - err = nla_parse(tb, MWIFIEX_TM_ATTR_MAX, data, len, - mwifiex_tm_policy); + err = nla_parse(tb, MWIFIEX_TM_ATTR_MAX, data, len, mwifiex_tm_policy, + NULL); if (err) return err; diff --git a/drivers/net/wireless/ti/wlcore/testmode.c b/drivers/net/wireless/ti/wlcore/testmode.c index ddad58f614da..009ec07c4cec 100644 --- a/drivers/net/wireless/ti/wlcore/testmode.c +++ b/drivers/net/wireless/ti/wlcore/testmode.c @@ -366,7 +366,8 @@ int wl1271_tm_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u32 nla_cmd; int err; - err = nla_parse(tb, WL1271_TM_ATTR_MAX, data, len, wl1271_tm_policy); + err = nla_parse(tb, WL1271_TM_ATTR_MAX, data, len, wl1271_tm_policy, + NULL); if (err) return err; diff --git a/drivers/net/wireless/ti/wlcore/vendor_cmd.c b/drivers/net/wireless/ti/wlcore/vendor_cmd.c index fd4e9ba176c9..5c0bcb1fe1a1 100644 --- a/drivers/net/wireless/ti/wlcore/vendor_cmd.c +++ b/drivers/net/wireless/ti/wlcore/vendor_cmd.c @@ -41,7 +41,7 @@ wlcore_vendor_cmd_smart_config_start(struct wiphy *wiphy, return -EINVAL; ret = nla_parse(tb, MAX_WLCORE_VENDOR_ATTR, data, data_len, - wlcore_vendor_attr_policy); + wlcore_vendor_attr_policy, NULL); if (ret) return ret; @@ -116,7 +116,7 @@ wlcore_vendor_cmd_smart_config_set_group_key(struct wiphy *wiphy, return -EINVAL; ret = nla_parse(tb, MAX_WLCORE_VENDOR_ATTR, data, data_len, - wlcore_vendor_attr_policy); + wlcore_vendor_attr_policy, NULL); if (ret) return ret; diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 9b3b57fef446..9583a5f58a1d 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -270,7 +270,7 @@ static inline int nvme_setup_discard(struct nvme_ns *ns, struct request *req, memset(cmnd, 0, sizeof(*cmnd)); cmnd->dsm.opcode = nvme_cmd_dsm; cmnd->dsm.nsid = cpu_to_le32(ns->ns_id); - cmnd->dsm.nr = segments - 1; + cmnd->dsm.nr = cpu_to_le32(segments - 1); cmnd->dsm.attributes = cpu_to_le32(NVME_DSMGMT_AD); req->special_vec.bv_page = virt_to_page(range); diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c index a7bcff45f437..76450b0c55f1 100644 --- a/drivers/nvme/target/admin-cmd.c +++ b/drivers/nvme/target/admin-cmd.c @@ -100,7 +100,7 @@ static u16 nvmet_get_smart_log(struct nvmet_req *req, u16 status; WARN_ON(req == NULL || slog == NULL); - if (req->cmd->get_log_page.nsid == 0xFFFFFFFF) + if (req->cmd->get_log_page.nsid == cpu_to_le32(0xFFFFFFFF)) status = nvmet_get_smart_log_all(req, slog); else status = nvmet_get_smart_log_nsid(req, slog); diff --git a/drivers/nvme/target/io-cmd.c b/drivers/nvme/target/io-cmd.c index 4195115c7e54..6b0baa9caab9 100644 --- a/drivers/nvme/target/io-cmd.c +++ b/drivers/nvme/target/io-cmd.c @@ -180,7 +180,7 @@ static void nvmet_execute_write_zeroes(struct nvmet_req *req) sector = le64_to_cpu(write_zeroes->slba) << (req->ns->blksize_shift - 9); - nr_sector = (((sector_t)le32_to_cpu(write_zeroes->length)) << + nr_sector = (((sector_t)le16_to_cpu(write_zeroes->length)) << (req->ns->blksize_shift - 9)) + 1; if (__blkdev_issue_zeroout(req->ns->bdev, sector, nr_sector, @@ -230,7 +230,7 @@ int nvmet_parse_io_cmd(struct nvmet_req *req) return 0; case nvme_cmd_dsm: req->execute = nvmet_execute_dsm; - req->data_len = le32_to_cpu(cmd->dsm.nr + 1) * + req->data_len = (le32_to_cpu(cmd->dsm.nr) + 1) * sizeof(struct nvme_dsm_range); return 0; case nvme_cmd_write_zeroes: diff --git a/drivers/pci/dwc/Kconfig b/drivers/pci/dwc/Kconfig index dfb8a69afc28..d2d2ba5b8a68 100644 --- a/drivers/pci/dwc/Kconfig +++ b/drivers/pci/dwc/Kconfig @@ -89,6 +89,7 @@ config PCI_HISI depends on PCI_MSI_IRQ_DOMAIN select PCIEPORTBUS select PCIE_DW_HOST + select PCI_HOST_COMMON help Say Y here if you want PCIe controller support on HiSilicon Hip05 and Hip06 SoCs diff --git a/drivers/pci/dwc/pcie-artpec6.c b/drivers/pci/dwc/pcie-artpec6.c index fcd3ef845883..6d23683c0892 100644 --- a/drivers/pci/dwc/pcie-artpec6.c +++ b/drivers/pci/dwc/pcie-artpec6.c @@ -234,6 +234,9 @@ static int artpec6_add_pcie_port(struct artpec6_pcie *artpec6_pcie, return 0; } +static const struct dw_pcie_ops dw_pcie_ops = { +}; + static int artpec6_pcie_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -252,6 +255,7 @@ static int artpec6_pcie_probe(struct platform_device *pdev) return -ENOMEM; pci->dev = dev; + pci->ops = &dw_pcie_ops; artpec6_pcie->pci = pci; diff --git a/drivers/pci/dwc/pcie-designware-plat.c b/drivers/pci/dwc/pcie-designware-plat.c index b6c832ba39dd..f20d494922ab 100644 --- a/drivers/pci/dwc/pcie-designware-plat.c +++ b/drivers/pci/dwc/pcie-designware-plat.c @@ -86,6 +86,9 @@ static int dw_plat_add_pcie_port(struct pcie_port *pp, return 0; } +static const struct dw_pcie_ops dw_pcie_ops = { +}; + static int dw_plat_pcie_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -103,6 +106,7 @@ static int dw_plat_pcie_probe(struct platform_device *pdev) return -ENOMEM; pci->dev = dev; + pci->ops = &dw_pcie_ops; dw_plat_pcie->pci = pci; diff --git a/drivers/pci/host/pci-thunder-pem.c b/drivers/pci/host/pci-thunder-pem.c index b89c373555c5..6e031b522529 100644 --- a/drivers/pci/host/pci-thunder-pem.c +++ b/drivers/pci/host/pci-thunder-pem.c @@ -375,7 +375,6 @@ static void thunder_pem_legacy_fw(struct acpi_pci_root *root, index -= node * PEM_MAX_DOM_IN_NODE; res_pem->start = PEM_RES_BASE | FIELD_PREP(PEM_NODE_MASK, node) | FIELD_PREP(PEM_INDX_MASK, index); - res_pem->end = res_pem->start + SZ_16M - 1; res_pem->flags = IORESOURCE_MEM; } @@ -399,8 +398,15 @@ static int thunder_pem_acpi_init(struct pci_config_window *cfg) */ if (ret) { thunder_pem_legacy_fw(root, res_pem); - /* Reserve PEM-specific resources and PCI configuration space */ + /* + * Reserve 64K size PEM specific resources. The full 16M range + * size is required for thunder_pem_init() call. + */ + res_pem->end = res_pem->start + SZ_64K - 1; thunder_pem_reserve_range(dev, root->segment, res_pem); + res_pem->end = res_pem->start + SZ_16M - 1; + + /* Reserve PCI configuration space as well. */ thunder_pem_reserve_range(dev, root->segment, &cfg->res); } diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index d69046537b75..32822b0d9cd0 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -2010,29 +2010,57 @@ out_err: return ERR_PTR(ret); } -static int pinctrl_create_and_start(struct pinctrl_dev *pctldev) +static int pinctrl_claim_hogs(struct pinctrl_dev *pctldev) { pctldev->p = create_pinctrl(pctldev->dev, pctldev); - if (!IS_ERR(pctldev->p)) { - kref_get(&pctldev->p->users); - pctldev->hog_default = - pinctrl_lookup_state(pctldev->p, PINCTRL_STATE_DEFAULT); - if (IS_ERR(pctldev->hog_default)) { - dev_dbg(pctldev->dev, - "failed to lookup the default state\n"); - } else { - if (pinctrl_select_state(pctldev->p, - pctldev->hog_default)) - dev_err(pctldev->dev, - "failed to select default state\n"); - } + if (PTR_ERR(pctldev->p) == -ENODEV) { + dev_dbg(pctldev->dev, "no hogs found\n"); - pctldev->hog_sleep = - pinctrl_lookup_state(pctldev->p, - PINCTRL_STATE_SLEEP); - if (IS_ERR(pctldev->hog_sleep)) - dev_dbg(pctldev->dev, - "failed to lookup the sleep state\n"); + return 0; + } + + if (IS_ERR(pctldev->p)) { + dev_err(pctldev->dev, "error claiming hogs: %li\n", + PTR_ERR(pctldev->p)); + + return PTR_ERR(pctldev->p); + } + + kref_get(&pctldev->p->users); + pctldev->hog_default = + pinctrl_lookup_state(pctldev->p, PINCTRL_STATE_DEFAULT); + if (IS_ERR(pctldev->hog_default)) { + dev_dbg(pctldev->dev, + "failed to lookup the default state\n"); + } else { + if (pinctrl_select_state(pctldev->p, + pctldev->hog_default)) + dev_err(pctldev->dev, + "failed to select default state\n"); + } + + pctldev->hog_sleep = + pinctrl_lookup_state(pctldev->p, + PINCTRL_STATE_SLEEP); + if (IS_ERR(pctldev->hog_sleep)) + dev_dbg(pctldev->dev, + "failed to lookup the sleep state\n"); + + return 0; +} + +int pinctrl_enable(struct pinctrl_dev *pctldev) +{ + int error; + + error = pinctrl_claim_hogs(pctldev); + if (error) { + dev_err(pctldev->dev, "could not claim hogs: %i\n", + error); + mutex_destroy(&pctldev->mutex); + kfree(pctldev); + + return error; } mutex_lock(&pinctrldev_list_mutex); @@ -2043,6 +2071,7 @@ static int pinctrl_create_and_start(struct pinctrl_dev *pctldev) return 0; } +EXPORT_SYMBOL_GPL(pinctrl_enable); /** * pinctrl_register() - register a pin controller device @@ -2065,25 +2094,30 @@ struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc, if (IS_ERR(pctldev)) return pctldev; - error = pinctrl_create_and_start(pctldev); - if (error) { - mutex_destroy(&pctldev->mutex); - kfree(pctldev); - + error = pinctrl_enable(pctldev); + if (error) return ERR_PTR(error); - } return pctldev; } EXPORT_SYMBOL_GPL(pinctrl_register); +/** + * pinctrl_register_and_init() - register and init pin controller device + * @pctldesc: descriptor for this pin controller + * @dev: parent device for this pin controller + * @driver_data: private pin controller data for this pin controller + * @pctldev: pin controller device + * + * Note that pinctrl_enable() still needs to be manually called after + * this once the driver is ready. + */ int pinctrl_register_and_init(struct pinctrl_desc *pctldesc, struct device *dev, void *driver_data, struct pinctrl_dev **pctldev) { struct pinctrl_dev *p; - int error; p = pinctrl_init_controller(pctldesc, dev, driver_data); if (IS_ERR(p)) @@ -2097,15 +2131,6 @@ int pinctrl_register_and_init(struct pinctrl_desc *pctldesc, */ *pctldev = p; - error = pinctrl_create_and_start(p); - if (error) { - mutex_destroy(&p->mutex); - kfree(p); - *pctldev = NULL; - - return error; - } - return 0; } EXPORT_SYMBOL_GPL(pinctrl_register_and_init); diff --git a/drivers/pinctrl/freescale/pinctrl-imx.c b/drivers/pinctrl/freescale/pinctrl-imx.c index a7ace9e1ad81..74bd90dfd7b1 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx.c +++ b/drivers/pinctrl/freescale/pinctrl-imx.c @@ -790,7 +790,7 @@ int imx_pinctrl_probe(struct platform_device *pdev, dev_info(&pdev->dev, "initialized IMX pinctrl driver\n"); - return 0; + return pinctrl_enable(ipctl->pctl); free: imx_free_resources(ipctl); diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c index f80134e3e0b6..9ff790174906 100644 --- a/drivers/pinctrl/intel/pinctrl-cherryview.c +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c @@ -13,6 +13,7 @@ * published by the Free Software Foundation. */ +#include <linux/dmi.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -1524,10 +1525,31 @@ static void chv_gpio_irq_handler(struct irq_desc *desc) chained_irq_exit(chip, desc); } +/* + * Certain machines seem to hardcode Linux IRQ numbers in their ACPI + * tables. Since we leave GPIOs that are not capable of generating + * interrupts out of the irqdomain the numbering will be different and + * cause devices using the hardcoded IRQ numbers fail. In order not to + * break such machines we will only mask pins from irqdomain if the machine + * is not listed below. + */ +static const struct dmi_system_id chv_no_valid_mask[] = { + { + /* See https://bugzilla.kernel.org/show_bug.cgi?id=194945 */ + .ident = "Acer Chromebook (CYAN)", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), + DMI_MATCH(DMI_PRODUCT_NAME, "Edgar"), + DMI_MATCH(DMI_BIOS_DATE, "05/21/2016"), + }, + } +}; + static int chv_gpio_probe(struct chv_pinctrl *pctrl, int irq) { const struct chv_gpio_pinrange *range; struct gpio_chip *chip = &pctrl->chip; + bool need_valid_mask = !dmi_check_system(chv_no_valid_mask); int ret, i, offset; *chip = chv_gpio_chip; @@ -1536,7 +1558,7 @@ static int chv_gpio_probe(struct chv_pinctrl *pctrl, int irq) chip->label = dev_name(pctrl->dev); chip->parent = pctrl->dev; chip->base = -1; - chip->irq_need_valid_mask = true; + chip->irq_need_valid_mask = need_valid_mask; ret = devm_gpiochip_add_data(pctrl->dev, chip, pctrl); if (ret) { @@ -1567,7 +1589,7 @@ static int chv_gpio_probe(struct chv_pinctrl *pctrl, int irq) intsel &= CHV_PADCTRL0_INTSEL_MASK; intsel >>= CHV_PADCTRL0_INTSEL_SHIFT; - if (intsel >= pctrl->community->nirqs) + if (need_valid_mask && intsel >= pctrl->community->nirqs) clear_bit(i, chip->irq_valid_mask); } diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index 8b2d45e85bae..9c267dcda094 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1781,7 +1781,7 @@ static int pcs_probe(struct platform_device *pdev) dev_info(pcs->dev, "%i pins at pa %p size %u\n", pcs->desc.npins, pcs->base, pcs->size); - return 0; + return pinctrl_enable(pcs->pctl); free: pcs_free_resources(pcs); diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c index f9b49967f512..63e51b56a22a 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos.c @@ -1468,82 +1468,82 @@ const struct samsung_pin_ctrl exynos5420_pin_ctrl[] __initconst = { /* pin banks of exynos5433 pin-controller - ALIVE */ static const struct samsung_pin_bank_data exynos5433_pin_banks0[] __initconst = { - EXYNOS_PIN_BANK_EINTW(8, 0x000, "gpa0", 0x00), - EXYNOS_PIN_BANK_EINTW(8, 0x020, "gpa1", 0x04), - EXYNOS_PIN_BANK_EINTW(8, 0x040, "gpa2", 0x08), - EXYNOS_PIN_BANK_EINTW(8, 0x060, "gpa3", 0x0c), - EXYNOS_PIN_BANK_EINTW_EXT(8, 0x020, "gpf1", 0x1004, 1), - EXYNOS_PIN_BANK_EINTW_EXT(4, 0x040, "gpf2", 0x1008, 1), - EXYNOS_PIN_BANK_EINTW_EXT(4, 0x060, "gpf3", 0x100c, 1), - EXYNOS_PIN_BANK_EINTW_EXT(8, 0x080, "gpf4", 0x1010, 1), - EXYNOS_PIN_BANK_EINTW_EXT(8, 0x0a0, "gpf5", 0x1014, 1), + EXYNOS5433_PIN_BANK_EINTW(8, 0x000, "gpa0", 0x00), + EXYNOS5433_PIN_BANK_EINTW(8, 0x020, "gpa1", 0x04), + EXYNOS5433_PIN_BANK_EINTW(8, 0x040, "gpa2", 0x08), + EXYNOS5433_PIN_BANK_EINTW(8, 0x060, "gpa3", 0x0c), + EXYNOS5433_PIN_BANK_EINTW_EXT(8, 0x020, "gpf1", 0x1004, 1), + EXYNOS5433_PIN_BANK_EINTW_EXT(4, 0x040, "gpf2", 0x1008, 1), + EXYNOS5433_PIN_BANK_EINTW_EXT(4, 0x060, "gpf3", 0x100c, 1), + EXYNOS5433_PIN_BANK_EINTW_EXT(8, 0x080, "gpf4", 0x1010, 1), + EXYNOS5433_PIN_BANK_EINTW_EXT(8, 0x0a0, "gpf5", 0x1014, 1), }; /* pin banks of exynos5433 pin-controller - AUD */ static const struct samsung_pin_bank_data exynos5433_pin_banks1[] __initconst = { - EXYNOS_PIN_BANK_EINTG(7, 0x000, "gpz0", 0x00), - EXYNOS_PIN_BANK_EINTG(4, 0x020, "gpz1", 0x04), + EXYNOS5433_PIN_BANK_EINTG(7, 0x000, "gpz0", 0x00), + EXYNOS5433_PIN_BANK_EINTG(4, 0x020, "gpz1", 0x04), }; /* pin banks of exynos5433 pin-controller - CPIF */ static const struct samsung_pin_bank_data exynos5433_pin_banks2[] __initconst = { - EXYNOS_PIN_BANK_EINTG(2, 0x000, "gpv6", 0x00), + EXYNOS5433_PIN_BANK_EINTG(2, 0x000, "gpv6", 0x00), }; /* pin banks of exynos5433 pin-controller - eSE */ static const struct samsung_pin_bank_data exynos5433_pin_banks3[] __initconst = { - EXYNOS_PIN_BANK_EINTG(3, 0x000, "gpj2", 0x00), + EXYNOS5433_PIN_BANK_EINTG(3, 0x000, "gpj2", 0x00), }; /* pin banks of exynos5433 pin-controller - FINGER */ static const struct samsung_pin_bank_data exynos5433_pin_banks4[] __initconst = { - EXYNOS_PIN_BANK_EINTG(4, 0x000, "gpd5", 0x00), + EXYNOS5433_PIN_BANK_EINTG(4, 0x000, "gpd5", 0x00), }; /* pin banks of exynos5433 pin-controller - FSYS */ static const struct samsung_pin_bank_data exynos5433_pin_banks5[] __initconst = { - EXYNOS_PIN_BANK_EINTG(6, 0x000, "gph1", 0x00), - EXYNOS_PIN_BANK_EINTG(7, 0x020, "gpr4", 0x04), - EXYNOS_PIN_BANK_EINTG(5, 0x040, "gpr0", 0x08), - EXYNOS_PIN_BANK_EINTG(8, 0x060, "gpr1", 0x0c), - EXYNOS_PIN_BANK_EINTG(2, 0x080, "gpr2", 0x10), - EXYNOS_PIN_BANK_EINTG(8, 0x0a0, "gpr3", 0x14), + EXYNOS5433_PIN_BANK_EINTG(6, 0x000, "gph1", 0x00), + EXYNOS5433_PIN_BANK_EINTG(7, 0x020, "gpr4", 0x04), + EXYNOS5433_PIN_BANK_EINTG(5, 0x040, "gpr0", 0x08), + EXYNOS5433_PIN_BANK_EINTG(8, 0x060, "gpr1", 0x0c), + EXYNOS5433_PIN_BANK_EINTG(2, 0x080, "gpr2", 0x10), + EXYNOS5433_PIN_BANK_EINTG(8, 0x0a0, "gpr3", 0x14), }; /* pin banks of exynos5433 pin-controller - IMEM */ static const struct samsung_pin_bank_data exynos5433_pin_banks6[] __initconst = { - EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpf0", 0x00), + EXYNOS5433_PIN_BANK_EINTG(8, 0x000, "gpf0", 0x00), }; /* pin banks of exynos5433 pin-controller - NFC */ static const struct samsung_pin_bank_data exynos5433_pin_banks7[] __initconst = { - EXYNOS_PIN_BANK_EINTG(3, 0x000, "gpj0", 0x00), + EXYNOS5433_PIN_BANK_EINTG(3, 0x000, "gpj0", 0x00), }; /* pin banks of exynos5433 pin-controller - PERIC */ static const struct samsung_pin_bank_data exynos5433_pin_banks8[] __initconst = { - EXYNOS_PIN_BANK_EINTG(6, 0x000, "gpv7", 0x00), - EXYNOS_PIN_BANK_EINTG(5, 0x020, "gpb0", 0x04), - EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpc0", 0x08), - EXYNOS_PIN_BANK_EINTG(2, 0x060, "gpc1", 0x0c), - EXYNOS_PIN_BANK_EINTG(6, 0x080, "gpc2", 0x10), - EXYNOS_PIN_BANK_EINTG(8, 0x0a0, "gpc3", 0x14), - EXYNOS_PIN_BANK_EINTG(2, 0x0c0, "gpg0", 0x18), - EXYNOS_PIN_BANK_EINTG(4, 0x0e0, "gpd0", 0x1c), - EXYNOS_PIN_BANK_EINTG(6, 0x100, "gpd1", 0x20), - EXYNOS_PIN_BANK_EINTG(8, 0x120, "gpd2", 0x24), - EXYNOS_PIN_BANK_EINTG(5, 0x140, "gpd4", 0x28), - EXYNOS_PIN_BANK_EINTG(2, 0x160, "gpd8", 0x2c), - EXYNOS_PIN_BANK_EINTG(7, 0x180, "gpd6", 0x30), - EXYNOS_PIN_BANK_EINTG(3, 0x1a0, "gpd7", 0x34), - EXYNOS_PIN_BANK_EINTG(5, 0x1c0, "gpg1", 0x38), - EXYNOS_PIN_BANK_EINTG(2, 0x1e0, "gpg2", 0x3c), - EXYNOS_PIN_BANK_EINTG(8, 0x200, "gpg3", 0x40), + EXYNOS5433_PIN_BANK_EINTG(6, 0x000, "gpv7", 0x00), + EXYNOS5433_PIN_BANK_EINTG(5, 0x020, "gpb0", 0x04), + EXYNOS5433_PIN_BANK_EINTG(8, 0x040, "gpc0", 0x08), + EXYNOS5433_PIN_BANK_EINTG(2, 0x060, "gpc1", 0x0c), + EXYNOS5433_PIN_BANK_EINTG(6, 0x080, "gpc2", 0x10), + EXYNOS5433_PIN_BANK_EINTG(8, 0x0a0, "gpc3", 0x14), + EXYNOS5433_PIN_BANK_EINTG(2, 0x0c0, "gpg0", 0x18), + EXYNOS5433_PIN_BANK_EINTG(4, 0x0e0, "gpd0", 0x1c), + EXYNOS5433_PIN_BANK_EINTG(6, 0x100, "gpd1", 0x20), + EXYNOS5433_PIN_BANK_EINTG(8, 0x120, "gpd2", 0x24), + EXYNOS5433_PIN_BANK_EINTG(5, 0x140, "gpd4", 0x28), + EXYNOS5433_PIN_BANK_EINTG(2, 0x160, "gpd8", 0x2c), + EXYNOS5433_PIN_BANK_EINTG(7, 0x180, "gpd6", 0x30), + EXYNOS5433_PIN_BANK_EINTG(3, 0x1a0, "gpd7", 0x34), + EXYNOS5433_PIN_BANK_EINTG(5, 0x1c0, "gpg1", 0x38), + EXYNOS5433_PIN_BANK_EINTG(2, 0x1e0, "gpg2", 0x3c), + EXYNOS5433_PIN_BANK_EINTG(8, 0x200, "gpg3", 0x40), }; /* pin banks of exynos5433 pin-controller - TOUCH */ static const struct samsung_pin_bank_data exynos5433_pin_banks9[] __initconst = { - EXYNOS_PIN_BANK_EINTG(3, 0x000, "gpj1", 0x00), + EXYNOS5433_PIN_BANK_EINTG(3, 0x000, "gpj1", 0x00), }; /* diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.h b/drivers/pinctrl/samsung/pinctrl-exynos.h index a473092fb8d2..cd046eb7d705 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos.h +++ b/drivers/pinctrl/samsung/pinctrl-exynos.h @@ -79,17 +79,6 @@ .name = id \ } -#define EXYNOS_PIN_BANK_EINTW_EXT(pins, reg, id, offs, pctl_idx) \ - { \ - .type = &bank_type_alive, \ - .pctl_offset = reg, \ - .nr_pins = pins, \ - .eint_type = EINT_TYPE_WKUP, \ - .eint_offset = offs, \ - .name = id, \ - .pctl_res_idx = pctl_idx, \ - } \ - #define EXYNOS5433_PIN_BANK_EINTG(pins, reg, id, offs) \ { \ .type = &exynos5433_bank_type_off, \ diff --git a/drivers/pinctrl/sh-pfc/pinctrl.c b/drivers/pinctrl/sh-pfc/pinctrl.c index 08150a321be6..a70157f0acf4 100644 --- a/drivers/pinctrl/sh-pfc/pinctrl.c +++ b/drivers/pinctrl/sh-pfc/pinctrl.c @@ -816,6 +816,13 @@ int sh_pfc_register_pinctrl(struct sh_pfc *pfc) pmx->pctl_desc.pins = pmx->pins; pmx->pctl_desc.npins = pfc->info->nr_pins; - return devm_pinctrl_register_and_init(pfc->dev, &pmx->pctl_desc, pmx, - &pmx->pctl); + ret = devm_pinctrl_register_and_init(pfc->dev, &pmx->pctl_desc, pmx, + &pmx->pctl); + if (ret) { + dev_err(pfc->dev, "could not register: %i\n", ret); + + return ret; + } + + return pinctrl_enable(pmx->pctl); } diff --git a/drivers/pinctrl/ti/pinctrl-ti-iodelay.c b/drivers/pinctrl/ti/pinctrl-ti-iodelay.c index 717e3404900c..362c50918c13 100644 --- a/drivers/pinctrl/ti/pinctrl-ti-iodelay.c +++ b/drivers/pinctrl/ti/pinctrl-ti-iodelay.c @@ -893,6 +893,8 @@ static int ti_iodelay_probe(struct platform_device *pdev) platform_set_drvdata(pdev, iod); + return pinctrl_enable(iod->pctl); + exit_out: of_node_put(np); return ret; diff --git a/drivers/pwm/pwm-lpss-pci.c b/drivers/pwm/pwm-lpss-pci.c index 053088b9b66e..c1527cb645be 100644 --- a/drivers/pwm/pwm-lpss-pci.c +++ b/drivers/pwm/pwm-lpss-pci.c @@ -36,6 +36,14 @@ static const struct pwm_lpss_boardinfo pwm_lpss_bxt_info = { .clk_rate = 19200000, .npwm = 4, .base_unit_bits = 22, + .bypass = true, +}; + +/* Tangier */ +static const struct pwm_lpss_boardinfo pwm_lpss_tng_info = { + .clk_rate = 19200000, + .npwm = 4, + .base_unit_bits = 22, }; static int pwm_lpss_probe_pci(struct pci_dev *pdev, @@ -97,7 +105,7 @@ static const struct pci_device_id pwm_lpss_pci_ids[] = { { PCI_VDEVICE(INTEL, 0x0ac8), (unsigned long)&pwm_lpss_bxt_info}, { PCI_VDEVICE(INTEL, 0x0f08), (unsigned long)&pwm_lpss_byt_info}, { PCI_VDEVICE(INTEL, 0x0f09), (unsigned long)&pwm_lpss_byt_info}, - { PCI_VDEVICE(INTEL, 0x11a5), (unsigned long)&pwm_lpss_bxt_info}, + { PCI_VDEVICE(INTEL, 0x11a5), (unsigned long)&pwm_lpss_tng_info}, { PCI_VDEVICE(INTEL, 0x1ac8), (unsigned long)&pwm_lpss_bxt_info}, { PCI_VDEVICE(INTEL, 0x2288), (unsigned long)&pwm_lpss_bsw_info}, { PCI_VDEVICE(INTEL, 0x2289), (unsigned long)&pwm_lpss_bsw_info}, diff --git a/drivers/pwm/pwm-lpss-platform.c b/drivers/pwm/pwm-lpss-platform.c index b22b6fdadb9a..5d6ed1507d29 100644 --- a/drivers/pwm/pwm-lpss-platform.c +++ b/drivers/pwm/pwm-lpss-platform.c @@ -37,6 +37,7 @@ static const struct pwm_lpss_boardinfo pwm_lpss_bxt_info = { .clk_rate = 19200000, .npwm = 4, .base_unit_bits = 22, + .bypass = true, }; static int pwm_lpss_probe_platform(struct platform_device *pdev) diff --git a/drivers/pwm/pwm-lpss.c b/drivers/pwm/pwm-lpss.c index 689d2c1cbead..8db0d40ccacd 100644 --- a/drivers/pwm/pwm-lpss.c +++ b/drivers/pwm/pwm-lpss.c @@ -57,7 +57,7 @@ static inline void pwm_lpss_write(const struct pwm_device *pwm, u32 value) writel(value, lpwm->regs + pwm->hwpwm * PWM_SIZE + PWM); } -static int pwm_lpss_update(struct pwm_device *pwm) +static int pwm_lpss_wait_for_update(struct pwm_device *pwm) { struct pwm_lpss_chip *lpwm = to_lpwm(pwm->chip); const void __iomem *addr = lpwm->regs + pwm->hwpwm * PWM_SIZE + PWM; @@ -65,8 +65,6 @@ static int pwm_lpss_update(struct pwm_device *pwm) u32 val; int err; - pwm_lpss_write(pwm, pwm_lpss_read(pwm) | PWM_SW_UPDATE); - /* * PWM Configuration register has SW_UPDATE bit that is set when a new * configuration is written to the register. The bit is automatically @@ -122,6 +120,12 @@ static void pwm_lpss_prepare(struct pwm_lpss_chip *lpwm, struct pwm_device *pwm, pwm_lpss_write(pwm, ctrl); } +static inline void pwm_lpss_cond_enable(struct pwm_device *pwm, bool cond) +{ + if (cond) + pwm_lpss_write(pwm, pwm_lpss_read(pwm) | PWM_ENABLE); +} + static int pwm_lpss_apply(struct pwm_chip *chip, struct pwm_device *pwm, struct pwm_state *state) { @@ -137,18 +141,21 @@ static int pwm_lpss_apply(struct pwm_chip *chip, struct pwm_device *pwm, return ret; } pwm_lpss_prepare(lpwm, pwm, state->duty_cycle, state->period); - ret = pwm_lpss_update(pwm); + pwm_lpss_write(pwm, pwm_lpss_read(pwm) | PWM_SW_UPDATE); + pwm_lpss_cond_enable(pwm, lpwm->info->bypass == false); + ret = pwm_lpss_wait_for_update(pwm); if (ret) { pm_runtime_put(chip->dev); return ret; } - pwm_lpss_write(pwm, pwm_lpss_read(pwm) | PWM_ENABLE); + pwm_lpss_cond_enable(pwm, lpwm->info->bypass == true); } else { ret = pwm_lpss_is_updating(pwm); if (ret) return ret; pwm_lpss_prepare(lpwm, pwm, state->duty_cycle, state->period); - return pwm_lpss_update(pwm); + pwm_lpss_write(pwm, pwm_lpss_read(pwm) | PWM_SW_UPDATE); + return pwm_lpss_wait_for_update(pwm); } } else if (pwm_is_enabled(pwm)) { pwm_lpss_write(pwm, pwm_lpss_read(pwm) & ~PWM_ENABLE); diff --git a/drivers/pwm/pwm-lpss.h b/drivers/pwm/pwm-lpss.h index c94cd7c2695d..98306bb02cfe 100644 --- a/drivers/pwm/pwm-lpss.h +++ b/drivers/pwm/pwm-lpss.h @@ -22,6 +22,7 @@ struct pwm_lpss_boardinfo { unsigned long clk_rate; unsigned int npwm; unsigned long base_unit_bits; + bool bypass; }; struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, struct resource *r, diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c index ef89df1f7336..744d56197286 100644 --- a/drivers/pwm/pwm-rockchip.c +++ b/drivers/pwm/pwm-rockchip.c @@ -191,6 +191,28 @@ static int rockchip_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, return 0; } +static int rockchip_pwm_enable(struct pwm_chip *chip, + struct pwm_device *pwm, + bool enable, + enum pwm_polarity polarity) +{ + struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip); + int ret; + + if (enable) { + ret = clk_enable(pc->clk); + if (ret) + return ret; + } + + pc->data->set_enable(chip, pwm, enable, polarity); + + if (!enable) + clk_disable(pc->clk); + + return 0; +} + static int rockchip_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, struct pwm_state *state) { @@ -207,22 +229,26 @@ static int rockchip_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, return ret; if (state->polarity != curstate.polarity && enabled) { - pc->data->set_enable(chip, pwm, false, state->polarity); + ret = rockchip_pwm_enable(chip, pwm, false, state->polarity); + if (ret) + goto out; enabled = false; } ret = rockchip_pwm_config(chip, pwm, state->duty_cycle, state->period); if (ret) { if (enabled != curstate.enabled) - pc->data->set_enable(chip, pwm, !enabled, - state->polarity); - + rockchip_pwm_enable(chip, pwm, !enabled, + state->polarity); goto out; } - if (state->enabled != enabled) - pc->data->set_enable(chip, pwm, state->enabled, - state->polarity); + if (state->enabled != enabled) { + ret = rockchip_pwm_enable(chip, pwm, state->enabled, + state->polarity); + if (ret) + goto out; + } /* * Update the state with the real hardware, which can differ a bit diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 19125d72f322..e5a2d590a104 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -496,7 +496,7 @@ static void scsi_run_queue(struct request_queue *q) scsi_starved_list_run(sdev->host); if (q->mq_ops) - blk_mq_start_stopped_hw_queues(q, false); + blk_mq_run_hw_queues(q, false); else blk_run_queue(q); } @@ -667,7 +667,7 @@ static bool scsi_end_request(struct request *req, int error, !list_empty(&sdev->host->starved_list)) kblockd_schedule_work(&sdev->requeue_work); else - blk_mq_start_stopped_hw_queues(q, true); + blk_mq_run_hw_queues(q, true); } else { unsigned long flags; @@ -1974,7 +1974,7 @@ out: case BLK_MQ_RQ_QUEUE_BUSY: if (atomic_read(&sdev->device_busy) == 0 && !scsi_device_blocked(sdev)) - blk_mq_delay_queue(hctx, SCSI_QUEUE_DELAY); + blk_mq_delay_run_hw_queue(hctx, SCSI_QUEUE_DELAY); break; case BLK_MQ_RQ_QUEUE_ERROR: /* diff --git a/drivers/scsi/scsi_netlink.c b/drivers/scsi/scsi_netlink.c index 109802f776ed..50e624fb8307 100644 --- a/drivers/scsi/scsi_netlink.c +++ b/drivers/scsi/scsi_netlink.c @@ -111,7 +111,7 @@ scsi_nl_rcv_msg(struct sk_buff *skb) next_msg: if ((err) || (nlh->nlmsg_flags & NLM_F_ACK)) - netlink_ack(skb, nlh, err); + netlink_ack(skb, nlh, err, NULL); skb_pull(skb, rlen); } diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c index 7cbad0d45b9c..6ba270e0494d 100644 --- a/drivers/staging/android/ashmem.c +++ b/drivers/staging/android/ashmem.c @@ -409,6 +409,7 @@ static int ashmem_mmap(struct file *file, struct vm_area_struct *vma) ret = PTR_ERR(vmfile); goto out; } + vmfile->f_mode |= FMODE_LSEEK; asma->file = vmfile; } get_file(asma->file); diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index a91802432f2f..e3f9ed3690b7 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -485,8 +485,7 @@ static void iscsit_get_rx_pdu(struct iscsi_conn *); int iscsit_queue_rsp(struct iscsi_conn *conn, struct iscsi_cmd *cmd) { - iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); - return 0; + return iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); } EXPORT_SYMBOL(iscsit_queue_rsp); diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c index bf40f03755dd..344e8448869c 100644 --- a/drivers/target/iscsi/iscsi_target_configfs.c +++ b/drivers/target/iscsi/iscsi_target_configfs.c @@ -1398,11 +1398,10 @@ static u32 lio_sess_get_initiator_sid( static int lio_queue_data_in(struct se_cmd *se_cmd) { struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); + struct iscsi_conn *conn = cmd->conn; cmd->i_state = ISTATE_SEND_DATAIN; - cmd->conn->conn_transport->iscsit_queue_data_in(cmd->conn, cmd); - - return 0; + return conn->conn_transport->iscsit_queue_data_in(conn, cmd); } static int lio_write_pending(struct se_cmd *se_cmd) @@ -1431,16 +1430,14 @@ static int lio_write_pending_status(struct se_cmd *se_cmd) static int lio_queue_status(struct se_cmd *se_cmd) { struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); + struct iscsi_conn *conn = cmd->conn; cmd->i_state = ISTATE_SEND_STATUS; if (cmd->se_cmd.scsi_status || cmd->sense_reason) { - iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); - return 0; + return iscsit_add_cmd_to_response_queue(cmd, conn, cmd->i_state); } - cmd->conn->conn_transport->iscsit_queue_status(cmd->conn, cmd); - - return 0; + return conn->conn_transport->iscsit_queue_status(conn, cmd); } static void lio_queue_tm_rsp(struct se_cmd *se_cmd) diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c index e65bf78ceef3..fce627628200 100644 --- a/drivers/target/iscsi/iscsi_target_parameters.c +++ b/drivers/target/iscsi/iscsi_target_parameters.c @@ -782,22 +782,6 @@ static void iscsi_check_proposer_for_optional_reply(struct iscsi_param *param) if (!strcmp(param->name, MAXRECVDATASEGMENTLENGTH)) SET_PSTATE_REPLY_OPTIONAL(param); /* - * The GlobalSAN iSCSI Initiator for MacOSX does - * not respond to MaxBurstLength, FirstBurstLength, - * DefaultTime2Wait or DefaultTime2Retain parameter keys. - * So, we set them to 'reply optional' here, and assume the - * the defaults from iscsi_parameters.h if the initiator - * is not RFC compliant and the keys are not negotiated. - */ - if (!strcmp(param->name, MAXBURSTLENGTH)) - SET_PSTATE_REPLY_OPTIONAL(param); - if (!strcmp(param->name, FIRSTBURSTLENGTH)) - SET_PSTATE_REPLY_OPTIONAL(param); - if (!strcmp(param->name, DEFAULTTIME2WAIT)) - SET_PSTATE_REPLY_OPTIONAL(param); - if (!strcmp(param->name, DEFAULTTIME2RETAIN)) - SET_PSTATE_REPLY_OPTIONAL(param); - /* * Required for gPXE iSCSI boot client */ if (!strcmp(param->name, MAXCONNECTIONS)) diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c index 5041a9c8bdcb..7d3e2fcc26a0 100644 --- a/drivers/target/iscsi/iscsi_target_util.c +++ b/drivers/target/iscsi/iscsi_target_util.c @@ -567,7 +567,7 @@ static void iscsit_remove_cmd_from_immediate_queue( } } -void iscsit_add_cmd_to_response_queue( +int iscsit_add_cmd_to_response_queue( struct iscsi_cmd *cmd, struct iscsi_conn *conn, u8 state) @@ -578,7 +578,7 @@ void iscsit_add_cmd_to_response_queue( if (!qr) { pr_err("Unable to allocate memory for" " struct iscsi_queue_req\n"); - return; + return -ENOMEM; } INIT_LIST_HEAD(&qr->qr_list); qr->cmd = cmd; @@ -590,6 +590,7 @@ void iscsit_add_cmd_to_response_queue( spin_unlock_bh(&conn->response_queue_lock); wake_up(&conn->queues_wq); + return 0; } struct iscsi_queue_req *iscsit_get_cmd_from_response_queue(struct iscsi_conn *conn) @@ -737,21 +738,23 @@ void iscsit_free_cmd(struct iscsi_cmd *cmd, bool shutdown) { struct se_cmd *se_cmd = NULL; int rc; + bool op_scsi = false; /* * Determine if a struct se_cmd is associated with * this struct iscsi_cmd. */ switch (cmd->iscsi_opcode) { case ISCSI_OP_SCSI_CMD: - se_cmd = &cmd->se_cmd; - __iscsit_free_cmd(cmd, true, shutdown); + op_scsi = true; /* * Fallthrough */ case ISCSI_OP_SCSI_TMFUNC: - rc = transport_generic_free_cmd(&cmd->se_cmd, shutdown); - if (!rc && shutdown && se_cmd && se_cmd->se_sess) { - __iscsit_free_cmd(cmd, true, shutdown); + se_cmd = &cmd->se_cmd; + __iscsit_free_cmd(cmd, op_scsi, shutdown); + rc = transport_generic_free_cmd(se_cmd, shutdown); + if (!rc && shutdown && se_cmd->se_sess) { + __iscsit_free_cmd(cmd, op_scsi, shutdown); target_put_sess_cmd(se_cmd); } break; diff --git a/drivers/target/iscsi/iscsi_target_util.h b/drivers/target/iscsi/iscsi_target_util.h index 8ff08856516a..9e4197af8708 100644 --- a/drivers/target/iscsi/iscsi_target_util.h +++ b/drivers/target/iscsi/iscsi_target_util.h @@ -31,7 +31,7 @@ extern int iscsit_find_cmd_for_recovery(struct iscsi_session *, struct iscsi_cmd struct iscsi_conn_recovery **, itt_t); extern void iscsit_add_cmd_to_immediate_queue(struct iscsi_cmd *, struct iscsi_conn *, u8); extern struct iscsi_queue_req *iscsit_get_cmd_from_immediate_queue(struct iscsi_conn *); -extern void iscsit_add_cmd_to_response_queue(struct iscsi_cmd *, struct iscsi_conn *, u8); +extern int iscsit_add_cmd_to_response_queue(struct iscsi_cmd *, struct iscsi_conn *, u8); extern struct iscsi_queue_req *iscsit_get_cmd_from_response_queue(struct iscsi_conn *); extern void iscsit_remove_cmd_from_tx_queues(struct iscsi_cmd *, struct iscsi_conn *); extern bool iscsit_conn_all_queues_empty(struct iscsi_conn *); diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c index fd7c16a7ca6e..fc4a9c303d55 100644 --- a/drivers/target/target_core_alua.c +++ b/drivers/target/target_core_alua.c @@ -197,8 +197,7 @@ target_emulate_report_target_port_groups(struct se_cmd *cmd) /* * Set the ASYMMETRIC ACCESS State */ - buf[off++] |= (atomic_read( - &tg_pt_gp->tg_pt_gp_alua_access_state) & 0xff); + buf[off++] |= tg_pt_gp->tg_pt_gp_alua_access_state & 0xff; /* * Set supported ASYMMETRIC ACCESS State bits */ @@ -710,7 +709,7 @@ target_alua_state_check(struct se_cmd *cmd) spin_lock(&lun->lun_tg_pt_gp_lock); tg_pt_gp = lun->lun_tg_pt_gp; - out_alua_state = atomic_read(&tg_pt_gp->tg_pt_gp_alua_access_state); + out_alua_state = tg_pt_gp->tg_pt_gp_alua_access_state; nonop_delay_msecs = tg_pt_gp->tg_pt_gp_nonop_delay_msecs; // XXX: keeps using tg_pt_gp witout reference after unlock @@ -911,7 +910,7 @@ static int core_alua_write_tpg_metadata( } /* - * Called with tg_pt_gp->tg_pt_gp_md_mutex held + * Called with tg_pt_gp->tg_pt_gp_transition_mutex held */ static int core_alua_update_tpg_primary_metadata( struct t10_alua_tg_pt_gp *tg_pt_gp) @@ -934,7 +933,7 @@ static int core_alua_update_tpg_primary_metadata( "alua_access_state=0x%02x\n" "alua_access_status=0x%02x\n", tg_pt_gp->tg_pt_gp_id, - tg_pt_gp->tg_pt_gp_alua_pending_state, + tg_pt_gp->tg_pt_gp_alua_access_state, tg_pt_gp->tg_pt_gp_alua_access_status); snprintf(path, ALUA_METADATA_PATH_LEN, @@ -1013,93 +1012,41 @@ static void core_alua_queue_state_change_ua(struct t10_alua_tg_pt_gp *tg_pt_gp) spin_unlock(&tg_pt_gp->tg_pt_gp_lock); } -static void core_alua_do_transition_tg_pt_work(struct work_struct *work) -{ - struct t10_alua_tg_pt_gp *tg_pt_gp = container_of(work, - struct t10_alua_tg_pt_gp, tg_pt_gp_transition_work); - struct se_device *dev = tg_pt_gp->tg_pt_gp_dev; - bool explicit = (tg_pt_gp->tg_pt_gp_alua_access_status == - ALUA_STATUS_ALTERED_BY_EXPLICIT_STPG); - - /* - * Update the ALUA metadata buf that has been allocated in - * core_alua_do_port_transition(), this metadata will be written - * to struct file. - * - * Note that there is the case where we do not want to update the - * metadata when the saved metadata is being parsed in userspace - * when setting the existing port access state and access status. - * - * Also note that the failure to write out the ALUA metadata to - * struct file does NOT affect the actual ALUA transition. - */ - if (tg_pt_gp->tg_pt_gp_write_metadata) { - mutex_lock(&tg_pt_gp->tg_pt_gp_md_mutex); - core_alua_update_tpg_primary_metadata(tg_pt_gp); - mutex_unlock(&tg_pt_gp->tg_pt_gp_md_mutex); - } - /* - * Set the current primary ALUA access state to the requested new state - */ - atomic_set(&tg_pt_gp->tg_pt_gp_alua_access_state, - tg_pt_gp->tg_pt_gp_alua_pending_state); - - pr_debug("Successful %s ALUA transition TG PT Group: %s ID: %hu" - " from primary access state %s to %s\n", (explicit) ? "explicit" : - "implicit", config_item_name(&tg_pt_gp->tg_pt_gp_group.cg_item), - tg_pt_gp->tg_pt_gp_id, - core_alua_dump_state(tg_pt_gp->tg_pt_gp_alua_previous_state), - core_alua_dump_state(tg_pt_gp->tg_pt_gp_alua_pending_state)); - - core_alua_queue_state_change_ua(tg_pt_gp); - - spin_lock(&dev->t10_alua.tg_pt_gps_lock); - atomic_dec(&tg_pt_gp->tg_pt_gp_ref_cnt); - spin_unlock(&dev->t10_alua.tg_pt_gps_lock); - - if (tg_pt_gp->tg_pt_gp_transition_complete) - complete(tg_pt_gp->tg_pt_gp_transition_complete); -} - static int core_alua_do_transition_tg_pt( struct t10_alua_tg_pt_gp *tg_pt_gp, int new_state, int explicit) { - struct se_device *dev = tg_pt_gp->tg_pt_gp_dev; - DECLARE_COMPLETION_ONSTACK(wait); + int prev_state; + mutex_lock(&tg_pt_gp->tg_pt_gp_transition_mutex); /* Nothing to be done here */ - if (atomic_read(&tg_pt_gp->tg_pt_gp_alua_access_state) == new_state) + if (tg_pt_gp->tg_pt_gp_alua_access_state == new_state) { + mutex_unlock(&tg_pt_gp->tg_pt_gp_transition_mutex); return 0; + } - if (explicit && new_state == ALUA_ACCESS_STATE_TRANSITION) + if (explicit && new_state == ALUA_ACCESS_STATE_TRANSITION) { + mutex_unlock(&tg_pt_gp->tg_pt_gp_transition_mutex); return -EAGAIN; - - /* - * Flush any pending transitions - */ - if (!explicit) - flush_work(&tg_pt_gp->tg_pt_gp_transition_work); + } /* * Save the old primary ALUA access state, and set the current state * to ALUA_ACCESS_STATE_TRANSITION. */ - atomic_set(&tg_pt_gp->tg_pt_gp_alua_access_state, - ALUA_ACCESS_STATE_TRANSITION); + prev_state = tg_pt_gp->tg_pt_gp_alua_access_state; + tg_pt_gp->tg_pt_gp_alua_access_state = ALUA_ACCESS_STATE_TRANSITION; tg_pt_gp->tg_pt_gp_alua_access_status = (explicit) ? ALUA_STATUS_ALTERED_BY_EXPLICIT_STPG : ALUA_STATUS_ALTERED_BY_IMPLICIT_ALUA; core_alua_queue_state_change_ua(tg_pt_gp); - if (new_state == ALUA_ACCESS_STATE_TRANSITION) + if (new_state == ALUA_ACCESS_STATE_TRANSITION) { + mutex_unlock(&tg_pt_gp->tg_pt_gp_transition_mutex); return 0; - - tg_pt_gp->tg_pt_gp_alua_previous_state = - atomic_read(&tg_pt_gp->tg_pt_gp_alua_access_state); - tg_pt_gp->tg_pt_gp_alua_pending_state = new_state; + } /* * Check for the optional ALUA primary state transition delay @@ -1108,19 +1055,36 @@ static int core_alua_do_transition_tg_pt( msleep_interruptible(tg_pt_gp->tg_pt_gp_trans_delay_msecs); /* - * Take a reference for workqueue item + * Set the current primary ALUA access state to the requested new state */ - spin_lock(&dev->t10_alua.tg_pt_gps_lock); - atomic_inc(&tg_pt_gp->tg_pt_gp_ref_cnt); - spin_unlock(&dev->t10_alua.tg_pt_gps_lock); + tg_pt_gp->tg_pt_gp_alua_access_state = new_state; - schedule_work(&tg_pt_gp->tg_pt_gp_transition_work); - if (explicit) { - tg_pt_gp->tg_pt_gp_transition_complete = &wait; - wait_for_completion(&wait); - tg_pt_gp->tg_pt_gp_transition_complete = NULL; + /* + * Update the ALUA metadata buf that has been allocated in + * core_alua_do_port_transition(), this metadata will be written + * to struct file. + * + * Note that there is the case where we do not want to update the + * metadata when the saved metadata is being parsed in userspace + * when setting the existing port access state and access status. + * + * Also note that the failure to write out the ALUA metadata to + * struct file does NOT affect the actual ALUA transition. + */ + if (tg_pt_gp->tg_pt_gp_write_metadata) { + core_alua_update_tpg_primary_metadata(tg_pt_gp); } + pr_debug("Successful %s ALUA transition TG PT Group: %s ID: %hu" + " from primary access state %s to %s\n", (explicit) ? "explicit" : + "implicit", config_item_name(&tg_pt_gp->tg_pt_gp_group.cg_item), + tg_pt_gp->tg_pt_gp_id, + core_alua_dump_state(prev_state), + core_alua_dump_state(new_state)); + + core_alua_queue_state_change_ua(tg_pt_gp); + + mutex_unlock(&tg_pt_gp->tg_pt_gp_transition_mutex); return 0; } @@ -1685,14 +1649,12 @@ struct t10_alua_tg_pt_gp *core_alua_allocate_tg_pt_gp(struct se_device *dev, } INIT_LIST_HEAD(&tg_pt_gp->tg_pt_gp_list); INIT_LIST_HEAD(&tg_pt_gp->tg_pt_gp_lun_list); - mutex_init(&tg_pt_gp->tg_pt_gp_md_mutex); + mutex_init(&tg_pt_gp->tg_pt_gp_transition_mutex); spin_lock_init(&tg_pt_gp->tg_pt_gp_lock); atomic_set(&tg_pt_gp->tg_pt_gp_ref_cnt, 0); - INIT_WORK(&tg_pt_gp->tg_pt_gp_transition_work, - core_alua_do_transition_tg_pt_work); tg_pt_gp->tg_pt_gp_dev = dev; - atomic_set(&tg_pt_gp->tg_pt_gp_alua_access_state, - ALUA_ACCESS_STATE_ACTIVE_OPTIMIZED); + tg_pt_gp->tg_pt_gp_alua_access_state = + ALUA_ACCESS_STATE_ACTIVE_OPTIMIZED; /* * Enable both explicit and implicit ALUA support by default */ @@ -1797,8 +1759,6 @@ void core_alua_free_tg_pt_gp( dev->t10_alua.alua_tg_pt_gps_counter--; spin_unlock(&dev->t10_alua.tg_pt_gps_lock); - flush_work(&tg_pt_gp->tg_pt_gp_transition_work); - /* * Allow a struct t10_alua_tg_pt_gp_member * referenced by * core_alua_get_tg_pt_gp_by_name() in @@ -1938,8 +1898,8 @@ ssize_t core_alua_show_tg_pt_gp_info(struct se_lun *lun, char *page) "Primary Access Status: %s\nTG Port Secondary Access" " State: %s\nTG Port Secondary Access Status: %s\n", config_item_name(tg_pt_ci), tg_pt_gp->tg_pt_gp_id, - core_alua_dump_state(atomic_read( - &tg_pt_gp->tg_pt_gp_alua_access_state)), + core_alua_dump_state( + tg_pt_gp->tg_pt_gp_alua_access_state), core_alua_dump_status( tg_pt_gp->tg_pt_gp_alua_access_status), atomic_read(&lun->lun_tg_pt_secondary_offline) ? diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 38b5025e4c7a..70657fd56440 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -2392,7 +2392,7 @@ static ssize_t target_tg_pt_gp_alua_access_state_show(struct config_item *item, char *page) { return sprintf(page, "%d\n", - atomic_read(&to_tg_pt_gp(item)->tg_pt_gp_alua_access_state)); + to_tg_pt_gp(item)->tg_pt_gp_alua_access_state); } static ssize_t target_tg_pt_gp_alua_access_state_store(struct config_item *item, diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c index d8a16ca6baa5..d1e6cab8e3d3 100644 --- a/drivers/target/target_core_fabric_configfs.c +++ b/drivers/target/target_core_fabric_configfs.c @@ -92,6 +92,11 @@ static int target_fabric_mappedlun_link( pr_err("Source se_lun->lun_se_dev does not exist\n"); return -EINVAL; } + if (lun->lun_shutdown) { + pr_err("Unable to create mappedlun symlink because" + " lun->lun_shutdown=true\n"); + return -EINVAL; + } se_tpg = lun->lun_tpg; nacl_ci = &lun_acl_ci->ci_parent->ci_group->cg_item; diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c index 6fb191914f45..dfaef4d3b2d2 100644 --- a/drivers/target/target_core_tpg.c +++ b/drivers/target/target_core_tpg.c @@ -642,6 +642,8 @@ void core_tpg_remove_lun( */ struct se_device *dev = rcu_dereference_raw(lun->lun_se_dev); + lun->lun_shutdown = true; + core_clear_lun_from_tpg(lun, tpg); /* * Wait for any active I/O references to percpu se_lun->lun_ref to @@ -663,6 +665,8 @@ void core_tpg_remove_lun( } if (!(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE)) hlist_del_rcu(&lun->link); + + lun->lun_shutdown = false; mutex_unlock(&tpg->tpg_lun_mutex); percpu_ref_exit(&lun->lun_ref); diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index b1a3cdb29468..a0cd56ee5fe9 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -64,8 +64,9 @@ struct kmem_cache *t10_alua_lba_map_cache; struct kmem_cache *t10_alua_lba_map_mem_cache; static void transport_complete_task_attr(struct se_cmd *cmd); +static int translate_sense_reason(struct se_cmd *cmd, sense_reason_t reason); static void transport_handle_queue_full(struct se_cmd *cmd, - struct se_device *dev); + struct se_device *dev, int err, bool write_pending); static int transport_put_cmd(struct se_cmd *cmd); static void target_complete_ok_work(struct work_struct *work); @@ -804,7 +805,8 @@ void target_qf_do_work(struct work_struct *work) if (cmd->t_state == TRANSPORT_COMPLETE_QF_WP) transport_write_pending_qf(cmd); - else if (cmd->t_state == TRANSPORT_COMPLETE_QF_OK) + else if (cmd->t_state == TRANSPORT_COMPLETE_QF_OK || + cmd->t_state == TRANSPORT_COMPLETE_QF_ERR) transport_complete_qf(cmd); } } @@ -1719,7 +1721,7 @@ void transport_generic_request_failure(struct se_cmd *cmd, } trace_target_cmd_complete(cmd); ret = cmd->se_tfo->queue_status(cmd); - if (ret == -EAGAIN || ret == -ENOMEM) + if (ret) goto queue_full; goto check_stop; default: @@ -1730,7 +1732,7 @@ void transport_generic_request_failure(struct se_cmd *cmd, } ret = transport_send_check_condition_and_sense(cmd, sense_reason, 0); - if (ret == -EAGAIN || ret == -ENOMEM) + if (ret) goto queue_full; check_stop: @@ -1739,8 +1741,7 @@ check_stop: return; queue_full: - cmd->t_state = TRANSPORT_COMPLETE_QF_OK; - transport_handle_queue_full(cmd, cmd->se_dev); + transport_handle_queue_full(cmd, cmd->se_dev, ret, false); } EXPORT_SYMBOL(transport_generic_request_failure); @@ -1977,13 +1978,29 @@ static void transport_complete_qf(struct se_cmd *cmd) int ret = 0; transport_complete_task_attr(cmd); + /* + * If a fabric driver ->write_pending() or ->queue_data_in() callback + * has returned neither -ENOMEM or -EAGAIN, assume it's fatal and + * the same callbacks should not be retried. Return CHECK_CONDITION + * if a scsi_status is not already set. + * + * If a fabric driver ->queue_status() has returned non zero, always + * keep retrying no matter what.. + */ + if (cmd->t_state == TRANSPORT_COMPLETE_QF_ERR) { + if (cmd->scsi_status) + goto queue_status; - if (cmd->se_cmd_flags & SCF_TRANSPORT_TASK_SENSE) { - trace_target_cmd_complete(cmd); - ret = cmd->se_tfo->queue_status(cmd); - goto out; + cmd->se_cmd_flags |= SCF_EMULATED_TASK_SENSE; + cmd->scsi_status = SAM_STAT_CHECK_CONDITION; + cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER; + translate_sense_reason(cmd, TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE); + goto queue_status; } + if (cmd->se_cmd_flags & SCF_TRANSPORT_TASK_SENSE) + goto queue_status; + switch (cmd->data_direction) { case DMA_FROM_DEVICE: if (cmd->scsi_status) @@ -2007,19 +2024,33 @@ queue_status: break; } -out: if (ret < 0) { - transport_handle_queue_full(cmd, cmd->se_dev); + transport_handle_queue_full(cmd, cmd->se_dev, ret, false); return; } transport_lun_remove_cmd(cmd); transport_cmd_check_stop_to_fabric(cmd); } -static void transport_handle_queue_full( - struct se_cmd *cmd, - struct se_device *dev) +static void transport_handle_queue_full(struct se_cmd *cmd, struct se_device *dev, + int err, bool write_pending) { + /* + * -EAGAIN or -ENOMEM signals retry of ->write_pending() and/or + * ->queue_data_in() callbacks from new process context. + * + * Otherwise for other errors, transport_complete_qf() will send + * CHECK_CONDITION via ->queue_status() instead of attempting to + * retry associated fabric driver data-transfer callbacks. + */ + if (err == -EAGAIN || err == -ENOMEM) { + cmd->t_state = (write_pending) ? TRANSPORT_COMPLETE_QF_WP : + TRANSPORT_COMPLETE_QF_OK; + } else { + pr_warn_ratelimited("Got unknown fabric queue status: %d\n", err); + cmd->t_state = TRANSPORT_COMPLETE_QF_ERR; + } + spin_lock_irq(&dev->qf_cmd_lock); list_add_tail(&cmd->se_qf_node, &cmd->se_dev->qf_cmd_list); atomic_inc_mb(&dev->dev_qf_count); @@ -2083,7 +2114,7 @@ static void target_complete_ok_work(struct work_struct *work) WARN_ON(!cmd->scsi_status); ret = transport_send_check_condition_and_sense( cmd, 0, 1); - if (ret == -EAGAIN || ret == -ENOMEM) + if (ret) goto queue_full; transport_lun_remove_cmd(cmd); @@ -2109,7 +2140,7 @@ static void target_complete_ok_work(struct work_struct *work) } else if (rc) { ret = transport_send_check_condition_and_sense(cmd, rc, 0); - if (ret == -EAGAIN || ret == -ENOMEM) + if (ret) goto queue_full; transport_lun_remove_cmd(cmd); @@ -2134,7 +2165,7 @@ queue_rsp: if (target_read_prot_action(cmd)) { ret = transport_send_check_condition_and_sense(cmd, cmd->pi_err, 0); - if (ret == -EAGAIN || ret == -ENOMEM) + if (ret) goto queue_full; transport_lun_remove_cmd(cmd); @@ -2144,7 +2175,7 @@ queue_rsp: trace_target_cmd_complete(cmd); ret = cmd->se_tfo->queue_data_in(cmd); - if (ret == -EAGAIN || ret == -ENOMEM) + if (ret) goto queue_full; break; case DMA_TO_DEVICE: @@ -2157,7 +2188,7 @@ queue_rsp: atomic_long_add(cmd->data_length, &cmd->se_lun->lun_stats.tx_data_octets); ret = cmd->se_tfo->queue_data_in(cmd); - if (ret == -EAGAIN || ret == -ENOMEM) + if (ret) goto queue_full; break; } @@ -2166,7 +2197,7 @@ queue_rsp: queue_status: trace_target_cmd_complete(cmd); ret = cmd->se_tfo->queue_status(cmd); - if (ret == -EAGAIN || ret == -ENOMEM) + if (ret) goto queue_full; break; default: @@ -2180,8 +2211,8 @@ queue_status: queue_full: pr_debug("Handling complete_ok QUEUE_FULL: se_cmd: %p," " data_direction: %d\n", cmd, cmd->data_direction); - cmd->t_state = TRANSPORT_COMPLETE_QF_OK; - transport_handle_queue_full(cmd, cmd->se_dev); + + transport_handle_queue_full(cmd, cmd->se_dev, ret, false); } void target_free_sgl(struct scatterlist *sgl, int nents) @@ -2449,18 +2480,14 @@ transport_generic_new_cmd(struct se_cmd *cmd) spin_unlock_irqrestore(&cmd->t_state_lock, flags); ret = cmd->se_tfo->write_pending(cmd); - if (ret == -EAGAIN || ret == -ENOMEM) + if (ret) goto queue_full; - /* fabric drivers should only return -EAGAIN or -ENOMEM as error */ - WARN_ON(ret); - - return (!ret) ? 0 : TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return 0; queue_full: pr_debug("Handling write_pending QUEUE__FULL: se_cmd: %p\n", cmd); - cmd->t_state = TRANSPORT_COMPLETE_QF_WP; - transport_handle_queue_full(cmd, cmd->se_dev); + transport_handle_queue_full(cmd, cmd->se_dev, ret, true); return 0; } EXPORT_SYMBOL(transport_generic_new_cmd); @@ -2470,10 +2497,10 @@ static void transport_write_pending_qf(struct se_cmd *cmd) int ret; ret = cmd->se_tfo->write_pending(cmd); - if (ret == -EAGAIN || ret == -ENOMEM) { + if (ret) { pr_debug("Handling write_pending QUEUE__FULL: se_cmd: %p\n", cmd); - transport_handle_queue_full(cmd, cmd->se_dev); + transport_handle_queue_full(cmd, cmd->se_dev, ret, true); } } @@ -3011,6 +3038,8 @@ static int __transport_check_aborted_status(struct se_cmd *cmd, int send_status) __releases(&cmd->t_state_lock) __acquires(&cmd->t_state_lock) { + int ret; + assert_spin_locked(&cmd->t_state_lock); WARN_ON_ONCE(!irqs_disabled()); @@ -3034,7 +3063,9 @@ static int __transport_check_aborted_status(struct se_cmd *cmd, int send_status) trace_target_cmd_complete(cmd); spin_unlock_irq(&cmd->t_state_lock); - cmd->se_tfo->queue_status(cmd); + ret = cmd->se_tfo->queue_status(cmd); + if (ret) + transport_handle_queue_full(cmd, cmd->se_dev, ret, false); spin_lock_irq(&cmd->t_state_lock); return 1; @@ -3055,6 +3086,7 @@ EXPORT_SYMBOL(transport_check_aborted_status); void transport_send_task_abort(struct se_cmd *cmd) { unsigned long flags; + int ret; spin_lock_irqsave(&cmd->t_state_lock, flags); if (cmd->se_cmd_flags & (SCF_SENT_CHECK_CONDITION)) { @@ -3090,7 +3122,9 @@ send_abort: cmd->t_task_cdb[0], cmd->tag); trace_target_cmd_complete(cmd); - cmd->se_tfo->queue_status(cmd); + ret = cmd->se_tfo->queue_status(cmd); + if (ret) + transport_handle_queue_full(cmd, cmd->se_dev, ret, false); } static void target_tmr_work(struct work_struct *work) diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index c6874c38a10b..f615c3bbb73e 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -311,24 +311,50 @@ static void free_data_area(struct tcmu_dev *udev, struct tcmu_cmd *cmd) DATA_BLOCK_BITS); } -static void gather_data_area(struct tcmu_dev *udev, unsigned long *cmd_bitmap, - struct scatterlist *data_sg, unsigned int data_nents) +static void gather_data_area(struct tcmu_dev *udev, struct tcmu_cmd *cmd, + bool bidi) { + struct se_cmd *se_cmd = cmd->se_cmd; int i, block; int block_remaining = 0; void *from, *to; size_t copy_bytes, from_offset; - struct scatterlist *sg; + struct scatterlist *sg, *data_sg; + unsigned int data_nents; + DECLARE_BITMAP(bitmap, DATA_BLOCK_BITS); + + bitmap_copy(bitmap, cmd->data_bitmap, DATA_BLOCK_BITS); + + if (!bidi) { + data_sg = se_cmd->t_data_sg; + data_nents = se_cmd->t_data_nents; + } else { + uint32_t count; + + /* + * For bidi case, the first count blocks are for Data-Out + * buffer blocks, and before gathering the Data-In buffer + * the Data-Out buffer blocks should be discarded. + */ + count = DIV_ROUND_UP(se_cmd->data_length, DATA_BLOCK_SIZE); + while (count--) { + block = find_first_bit(bitmap, DATA_BLOCK_BITS); + clear_bit(block, bitmap); + } + + data_sg = se_cmd->t_bidi_data_sg; + data_nents = se_cmd->t_bidi_data_nents; + } for_each_sg(data_sg, sg, data_nents, i) { int sg_remaining = sg->length; to = kmap_atomic(sg_page(sg)) + sg->offset; while (sg_remaining > 0) { if (block_remaining == 0) { - block = find_first_bit(cmd_bitmap, + block = find_first_bit(bitmap, DATA_BLOCK_BITS); block_remaining = DATA_BLOCK_SIZE; - clear_bit(block, cmd_bitmap); + clear_bit(block, bitmap); } copy_bytes = min_t(size_t, sg_remaining, block_remaining); @@ -394,6 +420,27 @@ static bool is_ring_space_avail(struct tcmu_dev *udev, size_t cmd_size, size_t d return true; } +static inline size_t tcmu_cmd_get_data_length(struct tcmu_cmd *tcmu_cmd) +{ + struct se_cmd *se_cmd = tcmu_cmd->se_cmd; + size_t data_length = round_up(se_cmd->data_length, DATA_BLOCK_SIZE); + + if (se_cmd->se_cmd_flags & SCF_BIDI) { + BUG_ON(!(se_cmd->t_bidi_data_sg && se_cmd->t_bidi_data_nents)); + data_length += round_up(se_cmd->t_bidi_data_sg->length, + DATA_BLOCK_SIZE); + } + + return data_length; +} + +static inline uint32_t tcmu_cmd_get_block_cnt(struct tcmu_cmd *tcmu_cmd) +{ + size_t data_length = tcmu_cmd_get_data_length(tcmu_cmd); + + return data_length / DATA_BLOCK_SIZE; +} + static sense_reason_t tcmu_queue_cmd_ring(struct tcmu_cmd *tcmu_cmd) { @@ -407,7 +454,7 @@ tcmu_queue_cmd_ring(struct tcmu_cmd *tcmu_cmd) uint32_t cmd_head; uint64_t cdb_off; bool copy_to_data_area; - size_t data_length; + size_t data_length = tcmu_cmd_get_data_length(tcmu_cmd); DECLARE_BITMAP(old_bitmap, DATA_BLOCK_BITS); if (test_bit(TCMU_DEV_BIT_BROKEN, &udev->flags)) @@ -421,8 +468,7 @@ tcmu_queue_cmd_ring(struct tcmu_cmd *tcmu_cmd) * expensive to tell how many regions are freed in the bitmap */ base_command_size = max(offsetof(struct tcmu_cmd_entry, - req.iov[se_cmd->t_bidi_data_nents + - se_cmd->t_data_nents]), + req.iov[tcmu_cmd_get_block_cnt(tcmu_cmd)]), sizeof(struct tcmu_cmd_entry)); command_size = base_command_size + round_up(scsi_command_size(se_cmd->t_task_cdb), TCMU_OP_ALIGN_SIZE); @@ -433,11 +479,6 @@ tcmu_queue_cmd_ring(struct tcmu_cmd *tcmu_cmd) mb = udev->mb_addr; cmd_head = mb->cmd_head % udev->cmdr_size; /* UAM */ - data_length = se_cmd->data_length; - if (se_cmd->se_cmd_flags & SCF_BIDI) { - BUG_ON(!(se_cmd->t_bidi_data_sg && se_cmd->t_bidi_data_nents)); - data_length += se_cmd->t_bidi_data_sg->length; - } if ((command_size > (udev->cmdr_size / 2)) || data_length > udev->data_size) { pr_warn("TCMU: Request of size %zu/%zu is too big for %u/%zu " @@ -511,11 +552,14 @@ tcmu_queue_cmd_ring(struct tcmu_cmd *tcmu_cmd) entry->req.iov_dif_cnt = 0; /* Handle BIDI commands */ - iov_cnt = 0; - alloc_and_scatter_data_area(udev, se_cmd->t_bidi_data_sg, - se_cmd->t_bidi_data_nents, &iov, &iov_cnt, false); - entry->req.iov_bidi_cnt = iov_cnt; - + if (se_cmd->se_cmd_flags & SCF_BIDI) { + iov_cnt = 0; + iov++; + alloc_and_scatter_data_area(udev, se_cmd->t_bidi_data_sg, + se_cmd->t_bidi_data_nents, &iov, &iov_cnt, + false); + entry->req.iov_bidi_cnt = iov_cnt; + } /* cmd's data_bitmap is what changed in process */ bitmap_xor(tcmu_cmd->data_bitmap, old_bitmap, udev->data_bitmap, DATA_BLOCK_BITS); @@ -592,19 +636,11 @@ static void tcmu_handle_completion(struct tcmu_cmd *cmd, struct tcmu_cmd_entry * se_cmd->scsi_sense_length); free_data_area(udev, cmd); } else if (se_cmd->se_cmd_flags & SCF_BIDI) { - DECLARE_BITMAP(bitmap, DATA_BLOCK_BITS); - /* Get Data-In buffer before clean up */ - bitmap_copy(bitmap, cmd->data_bitmap, DATA_BLOCK_BITS); - gather_data_area(udev, bitmap, - se_cmd->t_bidi_data_sg, se_cmd->t_bidi_data_nents); + gather_data_area(udev, cmd, true); free_data_area(udev, cmd); } else if (se_cmd->data_direction == DMA_FROM_DEVICE) { - DECLARE_BITMAP(bitmap, DATA_BLOCK_BITS); - - bitmap_copy(bitmap, cmd->data_bitmap, DATA_BLOCK_BITS); - gather_data_area(udev, bitmap, - se_cmd->t_data_sg, se_cmd->t_data_nents); + gather_data_area(udev, cmd, false); free_data_area(udev, cmd); } else if (se_cmd->data_direction == DMA_TO_DEVICE) { free_data_area(udev, cmd); @@ -1196,11 +1232,6 @@ static ssize_t tcmu_cmd_time_out_store(struct config_item *item, const char *pag if (ret < 0) return ret; - if (!val) { - pr_err("Illegal value for cmd_time_out\n"); - return -EINVAL; - } - udev->cmd_time_out = val * MSEC_PER_SEC; return count; } diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/function/f_tcm.c index d2351139342f..a82e2bd5ea34 100644 --- a/drivers/usb/gadget/function/f_tcm.c +++ b/drivers/usb/gadget/function/f_tcm.c @@ -373,7 +373,7 @@ static void bot_cleanup_old_alt(struct f_uas *fu) usb_ep_free_request(fu->ep_in, fu->bot_req_in); usb_ep_free_request(fu->ep_out, fu->bot_req_out); usb_ep_free_request(fu->ep_out, fu->cmd.req); - usb_ep_free_request(fu->ep_out, fu->bot_status.req); + usb_ep_free_request(fu->ep_in, fu->bot_status.req); kfree(fu->cmd.buf); diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c index 8c4dc1e1f94f..b827a8113e26 100644 --- a/drivers/video/fbdev/efifb.c +++ b/drivers/video/fbdev/efifb.c @@ -10,6 +10,7 @@ #include <linux/efi.h> #include <linux/errno.h> #include <linux/fb.h> +#include <linux/pci.h> #include <linux/platform_device.h> #include <linux/screen_info.h> #include <video/vga.h> @@ -143,6 +144,8 @@ static struct attribute *efifb_attrs[] = { }; ATTRIBUTE_GROUPS(efifb); +static bool pci_dev_disabled; /* FB base matches BAR of a disabled device */ + static int efifb_probe(struct platform_device *dev) { struct fb_info *info; @@ -152,7 +155,7 @@ static int efifb_probe(struct platform_device *dev) unsigned int size_total; char *option = NULL; - if (screen_info.orig_video_isVGA != VIDEO_TYPE_EFI) + if (screen_info.orig_video_isVGA != VIDEO_TYPE_EFI || pci_dev_disabled) return -ENODEV; if (fb_get_options("efifb", &option)) @@ -360,3 +363,64 @@ static struct platform_driver efifb_driver = { }; builtin_platform_driver(efifb_driver); + +#if defined(CONFIG_PCI) && !defined(CONFIG_X86) + +static bool pci_bar_found; /* did we find a BAR matching the efifb base? */ + +static void claim_efifb_bar(struct pci_dev *dev, int idx) +{ + u16 word; + + pci_bar_found = true; + + pci_read_config_word(dev, PCI_COMMAND, &word); + if (!(word & PCI_COMMAND_MEMORY)) { + pci_dev_disabled = true; + dev_err(&dev->dev, + "BAR %d: assigned to efifb but device is disabled!\n", + idx); + return; + } + + if (pci_claim_resource(dev, idx)) { + pci_dev_disabled = true; + dev_err(&dev->dev, + "BAR %d: failed to claim resource for efifb!\n", idx); + return; + } + + dev_info(&dev->dev, "BAR %d: assigned to efifb\n", idx); +} + +static void efifb_fixup_resources(struct pci_dev *dev) +{ + u64 base = screen_info.lfb_base; + u64 size = screen_info.lfb_size; + int i; + + if (pci_bar_found || screen_info.orig_video_isVGA != VIDEO_TYPE_EFI) + return; + + if (screen_info.capabilities & VIDEO_CAPABILITY_64BIT_BASE) + base |= (u64)screen_info.ext_lfb_base << 32; + + if (!base) + return; + + for (i = 0; i < PCI_STD_RESOURCE_END; i++) { + struct resource *res = &dev->resource[i]; + + if (!(res->flags & IORESOURCE_MEM)) + continue; + + if (res->start <= base && res->end >= base + size - 1) { + claim_efifb_bar(dev, i); + break; + } + } +} +DECLARE_PCI_FIXUP_CLASS_HEADER(PCI_ANY_ID, PCI_ANY_ID, PCI_BASE_CLASS_DISPLAY, + 16, efifb_fixup_resources); + +#endif diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c index 1abba07b84b3..f4cbfb3b8a09 100644 --- a/drivers/video/fbdev/omap/omapfb_main.c +++ b/drivers/video/fbdev/omap/omapfb_main.c @@ -1608,19 +1608,6 @@ static int omapfb_find_ctrl(struct omapfb_device *fbdev) return 0; } -static void check_required_callbacks(struct omapfb_device *fbdev) -{ -#define _C(x) (fbdev->ctrl->x != NULL) -#define _P(x) (fbdev->panel->x != NULL) - BUG_ON(fbdev->ctrl == NULL || fbdev->panel == NULL); - BUG_ON(!(_C(init) && _C(cleanup) && _C(get_caps) && - _C(set_update_mode) && _C(setup_plane) && _C(enable_plane) && - _P(init) && _P(cleanup) && _P(enable) && _P(disable) && - _P(get_caps))); -#undef _P -#undef _C -} - /* * Called by LDM binding to probe and attach a new device. * Initialization sequence: @@ -1705,8 +1692,6 @@ static int omapfb_do_probe(struct platform_device *pdev, omapfb_ops.fb_mmap = omapfb_mmap; init_state++; - check_required_callbacks(fbdev); - r = planes_init(fbdev); if (r) goto cleanup; diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c index bd017b57c47f..f599520374dd 100644 --- a/drivers/video/fbdev/ssd1307fb.c +++ b/drivers/video/fbdev/ssd1307fb.c @@ -578,10 +578,14 @@ static int ssd1307fb_probe(struct i2c_client *client, par->vbat_reg = devm_regulator_get_optional(&client->dev, "vbat"); if (IS_ERR(par->vbat_reg)) { - dev_err(&client->dev, "failed to get VBAT regulator: %ld\n", - PTR_ERR(par->vbat_reg)); ret = PTR_ERR(par->vbat_reg); - goto fb_alloc_error; + if (ret == -ENODEV) { + par->vbat_reg = NULL; + } else { + dev_err(&client->dev, "failed to get VBAT regulator: %d\n", + ret); + goto fb_alloc_error; + } } if (of_property_read_u32(node, "solomon,width", &par->width)) @@ -668,10 +672,13 @@ static int ssd1307fb_probe(struct i2c_client *client, udelay(4); } - ret = regulator_enable(par->vbat_reg); - if (ret) { - dev_err(&client->dev, "failed to enable VBAT: %d\n", ret); - goto reset_oled_error; + if (par->vbat_reg) { + ret = regulator_enable(par->vbat_reg); + if (ret) { + dev_err(&client->dev, "failed to enable VBAT: %d\n", + ret); + goto reset_oled_error; + } } ret = ssd1307fb_init(par); @@ -710,7 +717,8 @@ panel_init_error: pwm_put(par->pwm); }; regulator_enable_error: - regulator_disable(par->vbat_reg); + if (par->vbat_reg) + regulator_disable(par->vbat_reg); reset_oled_error: fb_deferred_io_cleanup(info); fb_alloc_error: diff --git a/drivers/video/fbdev/xen-fbfront.c b/drivers/video/fbdev/xen-fbfront.c index d0115a7af0a9..3ee309c50b2d 100644 --- a/drivers/video/fbdev/xen-fbfront.c +++ b/drivers/video/fbdev/xen-fbfront.c @@ -643,7 +643,6 @@ static void xenfb_backend_changed(struct xenbus_device *dev, break; case XenbusStateInitWait: -InitWait: xenbus_switch_state(dev, XenbusStateConnected); break; @@ -654,7 +653,8 @@ InitWait: * get Connected twice here. */ if (dev->state != XenbusStateConnected) - goto InitWait; /* no InitWait seen yet, fudge it */ + /* no InitWait seen yet, fudge it */ + xenbus_switch_state(dev, XenbusStateConnected); if (xenbus_read_unsigned(info->xbdev->otherend, "request-update", 0)) diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 400d70b69379..48230a5e12f2 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -232,6 +232,12 @@ static int virtio_dev_probe(struct device *_d) if (device_features & (1ULL << i)) __virtio_set_bit(dev, i); + if (drv->validate) { + err = drv->validate(dev); + if (err) + goto err; + } + err = virtio_finalize_features(dev); if (err) goto err; diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c index 590534910dc6..698d5d06fa03 100644 --- a/drivers/virtio/virtio_pci_common.c +++ b/drivers/virtio/virtio_pci_common.c @@ -33,8 +33,10 @@ void vp_synchronize_vectors(struct virtio_device *vdev) struct virtio_pci_device *vp_dev = to_vp_device(vdev); int i; - synchronize_irq(pci_irq_vector(vp_dev->pci_dev, 0)); - for (i = 1; i < vp_dev->msix_vectors; i++) + if (vp_dev->intx_enabled) + synchronize_irq(vp_dev->pci_dev->irq); + + for (i = 0; i < vp_dev->msix_vectors; ++i) synchronize_irq(pci_irq_vector(vp_dev->pci_dev, i)); } @@ -60,13 +62,16 @@ static irqreturn_t vp_config_changed(int irq, void *opaque) static irqreturn_t vp_vring_interrupt(int irq, void *opaque) { struct virtio_pci_device *vp_dev = opaque; + struct virtio_pci_vq_info *info; irqreturn_t ret = IRQ_NONE; - struct virtqueue *vq; + unsigned long flags; - list_for_each_entry(vq, &vp_dev->vdev.vqs, list) { - if (vq->callback && vring_interrupt(irq, vq) == IRQ_HANDLED) + spin_lock_irqsave(&vp_dev->lock, flags); + list_for_each_entry(info, &vp_dev->virtqueues, node) { + if (vring_interrupt(irq, info->vq) == IRQ_HANDLED) ret = IRQ_HANDLED; } + spin_unlock_irqrestore(&vp_dev->lock, flags); return ret; } @@ -97,186 +102,244 @@ static irqreturn_t vp_interrupt(int irq, void *opaque) return vp_vring_interrupt(irq, opaque); } -static void vp_remove_vqs(struct virtio_device *vdev) +static int vp_request_msix_vectors(struct virtio_device *vdev, int nvectors, + bool per_vq_vectors, struct irq_affinity *desc) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); - struct virtqueue *vq, *n; + const char *name = dev_name(&vp_dev->vdev.dev); + unsigned i, v; + int err = -ENOMEM; - list_for_each_entry_safe(vq, n, &vdev->vqs, list) { - if (vp_dev->msix_vector_map) { - int v = vp_dev->msix_vector_map[vq->index]; + vp_dev->msix_vectors = nvectors; - if (v != VIRTIO_MSI_NO_VECTOR) - free_irq(pci_irq_vector(vp_dev->pci_dev, v), - vq); - } - vp_dev->del_vq(vq); + vp_dev->msix_names = kmalloc(nvectors * sizeof *vp_dev->msix_names, + GFP_KERNEL); + if (!vp_dev->msix_names) + goto error; + vp_dev->msix_affinity_masks + = kzalloc(nvectors * sizeof *vp_dev->msix_affinity_masks, + GFP_KERNEL); + if (!vp_dev->msix_affinity_masks) + goto error; + for (i = 0; i < nvectors; ++i) + if (!alloc_cpumask_var(&vp_dev->msix_affinity_masks[i], + GFP_KERNEL)) + goto error; + + err = pci_alloc_irq_vectors_affinity(vp_dev->pci_dev, nvectors, + nvectors, PCI_IRQ_MSIX | + (desc ? PCI_IRQ_AFFINITY : 0), + desc); + if (err < 0) + goto error; + vp_dev->msix_enabled = 1; + + /* Set the vector used for configuration */ + v = vp_dev->msix_used_vectors; + snprintf(vp_dev->msix_names[v], sizeof *vp_dev->msix_names, + "%s-config", name); + err = request_irq(pci_irq_vector(vp_dev->pci_dev, v), + vp_config_changed, 0, vp_dev->msix_names[v], + vp_dev); + if (err) + goto error; + ++vp_dev->msix_used_vectors; + + v = vp_dev->config_vector(vp_dev, v); + /* Verify we had enough resources to assign the vector */ + if (v == VIRTIO_MSI_NO_VECTOR) { + err = -EBUSY; + goto error; } + + if (!per_vq_vectors) { + /* Shared vector for all VQs */ + v = vp_dev->msix_used_vectors; + snprintf(vp_dev->msix_names[v], sizeof *vp_dev->msix_names, + "%s-virtqueues", name); + err = request_irq(pci_irq_vector(vp_dev->pci_dev, v), + vp_vring_interrupt, 0, vp_dev->msix_names[v], + vp_dev); + if (err) + goto error; + ++vp_dev->msix_used_vectors; + } + return 0; +error: + return err; +} + +static struct virtqueue *vp_setup_vq(struct virtio_device *vdev, unsigned index, + void (*callback)(struct virtqueue *vq), + const char *name, + u16 msix_vec) +{ + struct virtio_pci_device *vp_dev = to_vp_device(vdev); + struct virtio_pci_vq_info *info = kmalloc(sizeof *info, GFP_KERNEL); + struct virtqueue *vq; + unsigned long flags; + + /* fill out our structure that represents an active queue */ + if (!info) + return ERR_PTR(-ENOMEM); + + vq = vp_dev->setup_vq(vp_dev, info, index, callback, name, + msix_vec); + if (IS_ERR(vq)) + goto out_info; + + info->vq = vq; + if (callback) { + spin_lock_irqsave(&vp_dev->lock, flags); + list_add(&info->node, &vp_dev->virtqueues); + spin_unlock_irqrestore(&vp_dev->lock, flags); + } else { + INIT_LIST_HEAD(&info->node); + } + + vp_dev->vqs[index] = info; + return vq; + +out_info: + kfree(info); + return vq; +} + +static void vp_del_vq(struct virtqueue *vq) +{ + struct virtio_pci_device *vp_dev = to_vp_device(vq->vdev); + struct virtio_pci_vq_info *info = vp_dev->vqs[vq->index]; + unsigned long flags; + + spin_lock_irqsave(&vp_dev->lock, flags); + list_del(&info->node); + spin_unlock_irqrestore(&vp_dev->lock, flags); + + vp_dev->del_vq(info); + kfree(info); } /* the config->del_vqs() implementation */ void vp_del_vqs(struct virtio_device *vdev) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); + struct virtqueue *vq, *n; int i; - if (WARN_ON_ONCE(list_empty_careful(&vdev->vqs))) - return; + list_for_each_entry_safe(vq, n, &vdev->vqs, list) { + if (vp_dev->per_vq_vectors) { + int v = vp_dev->vqs[vq->index]->msix_vector; - vp_remove_vqs(vdev); + if (v != VIRTIO_MSI_NO_VECTOR) { + int irq = pci_irq_vector(vp_dev->pci_dev, v); + + irq_set_affinity_hint(irq, NULL); + free_irq(irq, vq); + } + } + vp_del_vq(vq); + } + vp_dev->per_vq_vectors = false; + + if (vp_dev->intx_enabled) { + free_irq(vp_dev->pci_dev->irq, vp_dev); + vp_dev->intx_enabled = 0; + } - if (vp_dev->pci_dev->msix_enabled) { - for (i = 0; i < vp_dev->msix_vectors; i++) + for (i = 0; i < vp_dev->msix_used_vectors; ++i) + free_irq(pci_irq_vector(vp_dev->pci_dev, i), vp_dev); + + for (i = 0; i < vp_dev->msix_vectors; i++) + if (vp_dev->msix_affinity_masks[i]) free_cpumask_var(vp_dev->msix_affinity_masks[i]); + if (vp_dev->msix_enabled) { /* Disable the vector used for configuration */ vp_dev->config_vector(vp_dev, VIRTIO_MSI_NO_VECTOR); - kfree(vp_dev->msix_affinity_masks); - kfree(vp_dev->msix_names); - kfree(vp_dev->msix_vector_map); + pci_free_irq_vectors(vp_dev->pci_dev); + vp_dev->msix_enabled = 0; } - free_irq(pci_irq_vector(vp_dev->pci_dev, 0), vp_dev); - pci_free_irq_vectors(vp_dev->pci_dev); + vp_dev->msix_vectors = 0; + vp_dev->msix_used_vectors = 0; + kfree(vp_dev->msix_names); + vp_dev->msix_names = NULL; + kfree(vp_dev->msix_affinity_masks); + vp_dev->msix_affinity_masks = NULL; + kfree(vp_dev->vqs); + vp_dev->vqs = NULL; } static int vp_find_vqs_msix(struct virtio_device *vdev, unsigned nvqs, struct virtqueue *vqs[], vq_callback_t *callbacks[], - const char * const names[], struct irq_affinity *desc) + const char * const names[], bool per_vq_vectors, + struct irq_affinity *desc) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); - const char *name = dev_name(&vp_dev->vdev.dev); - int i, j, err = -ENOMEM, allocated_vectors, nvectors; - unsigned flags = PCI_IRQ_MSIX; - bool shared = false; u16 msix_vec; + int i, err, nvectors, allocated_vectors; - if (desc) { - flags |= PCI_IRQ_AFFINITY; - desc->pre_vectors++; /* virtio config vector */ - } - - nvectors = 1; - for (i = 0; i < nvqs; i++) - if (callbacks[i]) - nvectors++; - - /* Try one vector per queue first. */ - err = pci_alloc_irq_vectors_affinity(vp_dev->pci_dev, nvectors, - nvectors, flags, desc); - if (err < 0) { - /* Fallback to one vector for config, one shared for queues. */ - shared = true; - err = pci_alloc_irq_vectors(vp_dev->pci_dev, 2, 2, - PCI_IRQ_MSIX); - if (err < 0) - return err; - } - if (err < 0) - return err; - - vp_dev->msix_vectors = nvectors; - vp_dev->msix_names = kmalloc_array(nvectors, - sizeof(*vp_dev->msix_names), GFP_KERNEL); - if (!vp_dev->msix_names) - goto out_free_irq_vectors; - - vp_dev->msix_affinity_masks = kcalloc(nvectors, - sizeof(*vp_dev->msix_affinity_masks), GFP_KERNEL); - if (!vp_dev->msix_affinity_masks) - goto out_free_msix_names; + vp_dev->vqs = kcalloc(nvqs, sizeof(*vp_dev->vqs), GFP_KERNEL); + if (!vp_dev->vqs) + return -ENOMEM; - for (i = 0; i < nvectors; ++i) { - if (!alloc_cpumask_var(&vp_dev->msix_affinity_masks[i], - GFP_KERNEL)) - goto out_free_msix_affinity_masks; + if (per_vq_vectors) { + /* Best option: one for change interrupt, one per vq. */ + nvectors = 1; + for (i = 0; i < nvqs; ++i) + if (callbacks[i]) + ++nvectors; + } else { + /* Second best: one for change, shared for all vqs. */ + nvectors = 2; } - /* Set the vector used for configuration */ - snprintf(vp_dev->msix_names[0], sizeof(*vp_dev->msix_names), - "%s-config", name); - err = request_irq(pci_irq_vector(vp_dev->pci_dev, 0), vp_config_changed, - 0, vp_dev->msix_names[0], vp_dev); + err = vp_request_msix_vectors(vdev, nvectors, per_vq_vectors, + per_vq_vectors ? desc : NULL); if (err) - goto out_free_msix_affinity_masks; + goto error_find; - /* Verify we had enough resources to assign the vector */ - if (vp_dev->config_vector(vp_dev, 0) == VIRTIO_MSI_NO_VECTOR) { - err = -EBUSY; - goto out_free_config_irq; - } - - vp_dev->msix_vector_map = kmalloc_array(nvqs, - sizeof(*vp_dev->msix_vector_map), GFP_KERNEL); - if (!vp_dev->msix_vector_map) - goto out_disable_config_irq; - - allocated_vectors = j = 1; /* vector 0 is the config interrupt */ + vp_dev->per_vq_vectors = per_vq_vectors; + allocated_vectors = vp_dev->msix_used_vectors; for (i = 0; i < nvqs; ++i) { if (!names[i]) { vqs[i] = NULL; continue; } - if (callbacks[i]) - msix_vec = allocated_vectors; - else + if (!callbacks[i]) msix_vec = VIRTIO_MSI_NO_VECTOR; - - vqs[i] = vp_dev->setup_vq(vp_dev, i, callbacks[i], names[i], - msix_vec); + else if (vp_dev->per_vq_vectors) + msix_vec = allocated_vectors++; + else + msix_vec = VP_MSIX_VQ_VECTOR; + vqs[i] = vp_setup_vq(vdev, i, callbacks[i], names[i], + msix_vec); if (IS_ERR(vqs[i])) { err = PTR_ERR(vqs[i]); - goto out_remove_vqs; + goto error_find; } - if (msix_vec == VIRTIO_MSI_NO_VECTOR) { - vp_dev->msix_vector_map[i] = VIRTIO_MSI_NO_VECTOR; + if (!vp_dev->per_vq_vectors || msix_vec == VIRTIO_MSI_NO_VECTOR) continue; - } - snprintf(vp_dev->msix_names[j], - sizeof(*vp_dev->msix_names), "%s-%s", + /* allocate per-vq irq if available and necessary */ + snprintf(vp_dev->msix_names[msix_vec], + sizeof *vp_dev->msix_names, + "%s-%s", dev_name(&vp_dev->vdev.dev), names[i]); err = request_irq(pci_irq_vector(vp_dev->pci_dev, msix_vec), - vring_interrupt, IRQF_SHARED, - vp_dev->msix_names[j], vqs[i]); - if (err) { - /* don't free this irq on error */ - vp_dev->msix_vector_map[i] = VIRTIO_MSI_NO_VECTOR; - goto out_remove_vqs; - } - vp_dev->msix_vector_map[i] = msix_vec; - j++; - - /* - * Use a different vector for each queue if they are available, - * else share the same vector for all VQs. - */ - if (!shared) - allocated_vectors++; + vring_interrupt, 0, + vp_dev->msix_names[msix_vec], + vqs[i]); + if (err) + goto error_find; } - return 0; -out_remove_vqs: - vp_remove_vqs(vdev); - kfree(vp_dev->msix_vector_map); -out_disable_config_irq: - vp_dev->config_vector(vp_dev, VIRTIO_MSI_NO_VECTOR); -out_free_config_irq: - free_irq(pci_irq_vector(vp_dev->pci_dev, 0), vp_dev); -out_free_msix_affinity_masks: - for (i = 0; i < nvectors; i++) { - if (vp_dev->msix_affinity_masks[i]) - free_cpumask_var(vp_dev->msix_affinity_masks[i]); - } - kfree(vp_dev->msix_affinity_masks); -out_free_msix_names: - kfree(vp_dev->msix_names); -out_free_irq_vectors: - pci_free_irq_vectors(vp_dev->pci_dev); +error_find: + vp_del_vqs(vdev); return err; } @@ -287,29 +350,33 @@ static int vp_find_vqs_intx(struct virtio_device *vdev, unsigned nvqs, struct virtio_pci_device *vp_dev = to_vp_device(vdev); int i, err; + vp_dev->vqs = kcalloc(nvqs, sizeof(*vp_dev->vqs), GFP_KERNEL); + if (!vp_dev->vqs) + return -ENOMEM; + err = request_irq(vp_dev->pci_dev->irq, vp_interrupt, IRQF_SHARED, dev_name(&vdev->dev), vp_dev); if (err) - return err; + goto out_del_vqs; + vp_dev->intx_enabled = 1; + vp_dev->per_vq_vectors = false; for (i = 0; i < nvqs; ++i) { if (!names[i]) { vqs[i] = NULL; continue; } - vqs[i] = vp_dev->setup_vq(vp_dev, i, callbacks[i], names[i], - VIRTIO_MSI_NO_VECTOR); + vqs[i] = vp_setup_vq(vdev, i, callbacks[i], names[i], + VIRTIO_MSI_NO_VECTOR); if (IS_ERR(vqs[i])) { err = PTR_ERR(vqs[i]); - goto out_remove_vqs; + goto out_del_vqs; } } return 0; - -out_remove_vqs: - vp_remove_vqs(vdev); - free_irq(pci_irq_vector(vp_dev->pci_dev, 0), vp_dev); +out_del_vqs: + vp_del_vqs(vdev); return err; } @@ -320,9 +387,15 @@ int vp_find_vqs(struct virtio_device *vdev, unsigned nvqs, { int err; - err = vp_find_vqs_msix(vdev, nvqs, vqs, callbacks, names, desc); + /* Try MSI-X with one vector per queue. */ + err = vp_find_vqs_msix(vdev, nvqs, vqs, callbacks, names, true, desc); if (!err) return 0; + /* Fallback: MSI-X with one vector for config, one shared for queues. */ + err = vp_find_vqs_msix(vdev, nvqs, vqs, callbacks, names, false, desc); + if (!err) + return 0; + /* Finally fall back to regular interrupts. */ return vp_find_vqs_intx(vdev, nvqs, vqs, callbacks, names); } @@ -342,15 +415,16 @@ int vp_set_vq_affinity(struct virtqueue *vq, int cpu) { struct virtio_device *vdev = vq->vdev; struct virtio_pci_device *vp_dev = to_vp_device(vdev); + struct virtio_pci_vq_info *info = vp_dev->vqs[vq->index]; + struct cpumask *mask; + unsigned int irq; if (!vq->callback) return -EINVAL; - if (vp_dev->pci_dev->msix_enabled) { - int vec = vp_dev->msix_vector_map[vq->index]; - struct cpumask *mask = vp_dev->msix_affinity_masks[vec]; - unsigned int irq = pci_irq_vector(vp_dev->pci_dev, vec); - + if (vp_dev->msix_enabled) { + mask = vp_dev->msix_affinity_masks[info->msix_vector]; + irq = pci_irq_vector(vp_dev->pci_dev, info->msix_vector); if (cpu == -1) irq_set_affinity_hint(irq, NULL); else { @@ -365,12 +439,13 @@ int vp_set_vq_affinity(struct virtqueue *vq, int cpu) const struct cpumask *vp_get_vq_affinity(struct virtio_device *vdev, int index) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); - unsigned int *map = vp_dev->msix_vector_map; - if (!map || map[index] == VIRTIO_MSI_NO_VECTOR) + if (!vp_dev->per_vq_vectors || + vp_dev->vqs[index]->msix_vector == VIRTIO_MSI_NO_VECTOR) return NULL; - return pci_irq_get_affinity(vp_dev->pci_dev, map[index]); + return pci_irq_get_affinity(vp_dev->pci_dev, + vp_dev->vqs[index]->msix_vector); } #ifdef CONFIG_PM_SLEEP @@ -441,6 +516,8 @@ static int virtio_pci_probe(struct pci_dev *pci_dev, vp_dev->vdev.dev.parent = &pci_dev->dev; vp_dev->vdev.dev.release = virtio_pci_release_dev; vp_dev->pci_dev = pci_dev; + INIT_LIST_HEAD(&vp_dev->virtqueues); + spin_lock_init(&vp_dev->lock); /* enable the device */ rc = pci_enable_device(pci_dev); diff --git a/drivers/virtio/virtio_pci_common.h b/drivers/virtio/virtio_pci_common.h index ac8c9d788964..e96334aec1e0 100644 --- a/drivers/virtio/virtio_pci_common.h +++ b/drivers/virtio/virtio_pci_common.h @@ -31,6 +31,17 @@ #include <linux/highmem.h> #include <linux/spinlock.h> +struct virtio_pci_vq_info { + /* the actual virtqueue */ + struct virtqueue *vq; + + /* the list node for the virtqueues list */ + struct list_head node; + + /* MSI-X vector (or none) */ + unsigned msix_vector; +}; + /* Our device structure */ struct virtio_pci_device { struct virtio_device vdev; @@ -64,25 +75,47 @@ struct virtio_pci_device { /* the IO mapping for the PCI config space */ void __iomem *ioaddr; + /* a list of queues so we can dispatch IRQs */ + spinlock_t lock; + struct list_head virtqueues; + + /* array of all queues for house-keeping */ + struct virtio_pci_vq_info **vqs; + + /* MSI-X support */ + int msix_enabled; + int intx_enabled; cpumask_var_t *msix_affinity_masks; /* Name strings for interrupts. This size should be enough, * and I'm too lazy to allocate each name separately. */ char (*msix_names)[256]; - /* Total Number of MSI-X vectors (including per-VQ ones). */ - int msix_vectors; - /* Map of per-VQ MSI-X vectors, may be NULL */ - unsigned *msix_vector_map; + /* Number of available vectors */ + unsigned msix_vectors; + /* Vectors allocated, excluding per-vq vectors if any */ + unsigned msix_used_vectors; + + /* Whether we have vector per vq */ + bool per_vq_vectors; struct virtqueue *(*setup_vq)(struct virtio_pci_device *vp_dev, + struct virtio_pci_vq_info *info, unsigned idx, void (*callback)(struct virtqueue *vq), const char *name, u16 msix_vec); - void (*del_vq)(struct virtqueue *vq); + void (*del_vq)(struct virtio_pci_vq_info *info); u16 (*config_vector)(struct virtio_pci_device *vp_dev, u16 vector); }; +/* Constants for MSI-X */ +/* Use first vector for configuration changes, second and the rest for + * virtqueues Thus, we need at least 2 vectors for MSI. */ +enum { + VP_MSIX_CONFIG_VECTOR = 0, + VP_MSIX_VQ_VECTOR = 1, +}; + /* Convert a generic virtio device to our structure */ static struct virtio_pci_device *to_vp_device(struct virtio_device *vdev) { diff --git a/drivers/virtio/virtio_pci_legacy.c b/drivers/virtio/virtio_pci_legacy.c index f7362c5fe18a..4bfa48fb1324 100644 --- a/drivers/virtio/virtio_pci_legacy.c +++ b/drivers/virtio/virtio_pci_legacy.c @@ -112,6 +112,7 @@ static u16 vp_config_vector(struct virtio_pci_device *vp_dev, u16 vector) } static struct virtqueue *setup_vq(struct virtio_pci_device *vp_dev, + struct virtio_pci_vq_info *info, unsigned index, void (*callback)(struct virtqueue *vq), const char *name, @@ -129,6 +130,8 @@ static struct virtqueue *setup_vq(struct virtio_pci_device *vp_dev, if (!num || ioread32(vp_dev->ioaddr + VIRTIO_PCI_QUEUE_PFN)) return ERR_PTR(-ENOENT); + info->msix_vector = msix_vec; + /* create the vring */ vq = vring_create_virtqueue(index, num, VIRTIO_PCI_VRING_ALIGN, &vp_dev->vdev, @@ -159,13 +162,14 @@ out_deactivate: return ERR_PTR(err); } -static void del_vq(struct virtqueue *vq) +static void del_vq(struct virtio_pci_vq_info *info) { + struct virtqueue *vq = info->vq; struct virtio_pci_device *vp_dev = to_vp_device(vq->vdev); iowrite16(vq->index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_SEL); - if (vp_dev->pci_dev->msix_enabled) { + if (vp_dev->msix_enabled) { iowrite16(VIRTIO_MSI_NO_VECTOR, vp_dev->ioaddr + VIRTIO_MSI_QUEUE_VECTOR); /* Flush the write out to device */ diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index 7bc3004b840e..8978f109d2d7 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio/virtio_pci_modern.c @@ -293,6 +293,7 @@ static u16 vp_config_vector(struct virtio_pci_device *vp_dev, u16 vector) } static struct virtqueue *setup_vq(struct virtio_pci_device *vp_dev, + struct virtio_pci_vq_info *info, unsigned index, void (*callback)(struct virtqueue *vq), const char *name, @@ -322,6 +323,8 @@ static struct virtqueue *setup_vq(struct virtio_pci_device *vp_dev, /* get offset of notification word for this vq */ off = vp_ioread16(&cfg->queue_notify_off); + info->msix_vector = msix_vec; + /* create the vring */ vq = vring_create_virtqueue(index, num, SMP_CACHE_BYTES, &vp_dev->vdev, @@ -405,13 +408,14 @@ static int vp_modern_find_vqs(struct virtio_device *vdev, unsigned nvqs, return 0; } -static void del_vq(struct virtqueue *vq) +static void del_vq(struct virtio_pci_vq_info *info) { + struct virtqueue *vq = info->vq; struct virtio_pci_device *vp_dev = to_vp_device(vq->vdev); vp_iowrite16(vq->index, &vp_dev->common->queue_select); - if (vp_dev->pci_dev->msix_enabled) { + if (vp_dev->msix_enabled) { vp_iowrite16(VIRTIO_MSI_NO_VECTOR, &vp_dev->common->queue_msix_vector); /* Flush the write out to device */ diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c index 1f4733b80c87..f3b089b7c0b6 100644 --- a/drivers/xen/xenbus/xenbus_dev_frontend.c +++ b/drivers/xen/xenbus/xenbus_dev_frontend.c @@ -442,8 +442,10 @@ static int xenbus_write_transaction(unsigned msg_type, return xenbus_command_reply(u, XS_ERROR, "ENOENT"); rc = xenbus_dev_request_and_reply(&u->u.msg, u); - if (rc) + if (rc && trans) { + list_del(&trans->list); kfree(trans); + } out: return rc; diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index a18510be76c1..5e71f1ea3391 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -7910,7 +7910,6 @@ struct btrfs_retry_complete { static void btrfs_retry_endio_nocsum(struct bio *bio) { struct btrfs_retry_complete *done = bio->bi_private; - struct inode *inode; struct bio_vec *bvec; int i; @@ -7918,12 +7917,12 @@ static void btrfs_retry_endio_nocsum(struct bio *bio) goto end; ASSERT(bio->bi_vcnt == 1); - inode = bio->bi_io_vec->bv_page->mapping->host; - ASSERT(bio->bi_io_vec->bv_len == btrfs_inode_sectorsize(inode)); + ASSERT(bio->bi_io_vec->bv_len == btrfs_inode_sectorsize(done->inode)); done->uptodate = 1; bio_for_each_segment_all(bvec, bio, i) - clean_io_failure(BTRFS_I(done->inode), done->start, bvec->bv_page, 0); + clean_io_failure(BTRFS_I(done->inode), done->start, + bvec->bv_page, 0); end: complete(&done->done); bio_put(bio); @@ -7973,8 +7972,10 @@ next_block_or_try_again: start += sectorsize; - if (nr_sectors--) { + nr_sectors--; + if (nr_sectors) { pgoff += sectorsize; + ASSERT(pgoff < PAGE_SIZE); goto next_block_or_try_again; } } @@ -7986,9 +7987,7 @@ static void btrfs_retry_endio(struct bio *bio) { struct btrfs_retry_complete *done = bio->bi_private; struct btrfs_io_bio *io_bio = btrfs_io_bio(bio); - struct inode *inode; struct bio_vec *bvec; - u64 start; int uptodate; int ret; int i; @@ -7998,11 +7997,8 @@ static void btrfs_retry_endio(struct bio *bio) uptodate = 1; - start = done->start; - ASSERT(bio->bi_vcnt == 1); - inode = bio->bi_io_vec->bv_page->mapping->host; - ASSERT(bio->bi_io_vec->bv_len == btrfs_inode_sectorsize(inode)); + ASSERT(bio->bi_io_vec->bv_len == btrfs_inode_sectorsize(done->inode)); bio_for_each_segment_all(bvec, bio, i) { ret = __readpage_endio_check(done->inode, io_bio, i, @@ -8080,8 +8076,10 @@ next: ASSERT(nr_sectors); - if (--nr_sectors) { + nr_sectors--; + if (nr_sectors) { pgoff += sectorsize; + ASSERT(pgoff < PAGE_SIZE); goto next_block; } } diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index da687dc79cce..9530a333d302 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -549,16 +549,19 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options, case Opt_ssd: btrfs_set_and_info(info, SSD, "use ssd allocation scheme"); + btrfs_clear_opt(info->mount_opt, NOSSD); break; case Opt_ssd_spread: btrfs_set_and_info(info, SSD_SPREAD, "use spread ssd allocation scheme"); btrfs_set_opt(info->mount_opt, SSD); + btrfs_clear_opt(info->mount_opt, NOSSD); break; case Opt_nossd: btrfs_set_and_info(info, NOSSD, "not using ssd allocation scheme"); btrfs_clear_opt(info->mount_opt, SSD); + btrfs_clear_opt(info->mount_opt, SSD_SPREAD); break; case Opt_barrier: btrfs_clear_and_info(info, NOBARRIER, diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 73d56eef5e60..ab8a66d852f9 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -6213,7 +6213,7 @@ int btrfs_map_bio(struct btrfs_fs_info *fs_info, struct bio *bio, for (dev_nr = 0; dev_nr < total_devs; dev_nr++) { dev = bbio->stripes[dev_nr].dev; if (!dev || !dev->bdev || - (bio_op(bio) == REQ_OP_WRITE && !dev->writeable)) { + (bio_op(first_bio) == REQ_OP_WRITE && !dev->writeable)) { bbio_error(bbio, first_bio, logical); continue; } diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 8c91f37ac0eb..5e9b306bc162 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -973,6 +973,86 @@ out: return rc; } +ssize_t cifs_file_copychunk_range(unsigned int xid, + struct file *src_file, loff_t off, + struct file *dst_file, loff_t destoff, + size_t len, unsigned int flags) +{ + struct inode *src_inode = file_inode(src_file); + struct inode *target_inode = file_inode(dst_file); + struct cifsFileInfo *smb_file_src; + struct cifsFileInfo *smb_file_target; + struct cifs_tcon *src_tcon; + struct cifs_tcon *target_tcon; + ssize_t rc; + + cifs_dbg(FYI, "copychunk range\n"); + + if (src_inode == target_inode) { + rc = -EINVAL; + goto out; + } + + if (!src_file->private_data || !dst_file->private_data) { + rc = -EBADF; + cifs_dbg(VFS, "missing cifsFileInfo on copy range src file\n"); + goto out; + } + + rc = -EXDEV; + smb_file_target = dst_file->private_data; + smb_file_src = src_file->private_data; + src_tcon = tlink_tcon(smb_file_src->tlink); + target_tcon = tlink_tcon(smb_file_target->tlink); + + if (src_tcon->ses != target_tcon->ses) { + cifs_dbg(VFS, "source and target of copy not on same server\n"); + goto out; + } + + /* + * Note: cifs case is easier than btrfs since server responsible for + * checks for proper open modes and file type and if it wants + * server could even support copy of range where source = target + */ + lock_two_nondirectories(target_inode, src_inode); + + cifs_dbg(FYI, "about to flush pages\n"); + /* should we flush first and last page first */ + truncate_inode_pages(&target_inode->i_data, 0); + + if (target_tcon->ses->server->ops->copychunk_range) + rc = target_tcon->ses->server->ops->copychunk_range(xid, + smb_file_src, smb_file_target, off, len, destoff); + else + rc = -EOPNOTSUPP; + + /* force revalidate of size and timestamps of target file now + * that target is updated on the server + */ + CIFS_I(target_inode)->time = 0; + /* although unlocking in the reverse order from locking is not + * strictly necessary here it is a little cleaner to be consistent + */ + unlock_two_nondirectories(src_inode, target_inode); + +out: + return rc; +} + +static ssize_t cifs_copy_file_range(struct file *src_file, loff_t off, + struct file *dst_file, loff_t destoff, + size_t len, unsigned int flags) +{ + unsigned int xid = get_xid(); + ssize_t rc; + + rc = cifs_file_copychunk_range(xid, src_file, off, dst_file, destoff, + len, flags); + free_xid(xid); + return rc; +} + const struct file_operations cifs_file_ops = { .read_iter = cifs_loose_read_iter, .write_iter = cifs_file_write_iter, @@ -985,6 +1065,7 @@ const struct file_operations cifs_file_ops = { .splice_read = generic_file_splice_read, .llseek = cifs_llseek, .unlocked_ioctl = cifs_ioctl, + .copy_file_range = cifs_copy_file_range, .clone_file_range = cifs_clone_file_range, .setlease = cifs_setlease, .fallocate = cifs_fallocate, @@ -1002,6 +1083,7 @@ const struct file_operations cifs_file_strict_ops = { .splice_read = generic_file_splice_read, .llseek = cifs_llseek, .unlocked_ioctl = cifs_ioctl, + .copy_file_range = cifs_copy_file_range, .clone_file_range = cifs_clone_file_range, .setlease = cifs_setlease, .fallocate = cifs_fallocate, @@ -1019,6 +1101,7 @@ const struct file_operations cifs_file_direct_ops = { .mmap = cifs_file_mmap, .splice_read = generic_file_splice_read, .unlocked_ioctl = cifs_ioctl, + .copy_file_range = cifs_copy_file_range, .clone_file_range = cifs_clone_file_range, .llseek = cifs_llseek, .setlease = cifs_setlease, @@ -1036,6 +1119,7 @@ const struct file_operations cifs_file_nobrl_ops = { .splice_read = generic_file_splice_read, .llseek = cifs_llseek, .unlocked_ioctl = cifs_ioctl, + .copy_file_range = cifs_copy_file_range, .clone_file_range = cifs_clone_file_range, .setlease = cifs_setlease, .fallocate = cifs_fallocate, @@ -1052,6 +1136,7 @@ const struct file_operations cifs_file_strict_nobrl_ops = { .splice_read = generic_file_splice_read, .llseek = cifs_llseek, .unlocked_ioctl = cifs_ioctl, + .copy_file_range = cifs_copy_file_range, .clone_file_range = cifs_clone_file_range, .setlease = cifs_setlease, .fallocate = cifs_fallocate, @@ -1068,6 +1153,7 @@ const struct file_operations cifs_file_direct_nobrl_ops = { .mmap = cifs_file_mmap, .splice_read = generic_file_splice_read, .unlocked_ioctl = cifs_ioctl, + .copy_file_range = cifs_copy_file_range, .clone_file_range = cifs_clone_file_range, .llseek = cifs_llseek, .setlease = cifs_setlease, @@ -1079,6 +1165,7 @@ const struct file_operations cifs_dir_ops = { .release = cifs_closedir, .read = generic_read_dir, .unlocked_ioctl = cifs_ioctl, + .copy_file_range = cifs_copy_file_range, .clone_file_range = cifs_clone_file_range, .llseek = generic_file_llseek, }; diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index da717fee3026..30bf89b1fd9a 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -139,6 +139,11 @@ extern ssize_t cifs_listxattr(struct dentry *, char *, size_t); # define cifs_listxattr NULL #endif +extern ssize_t cifs_file_copychunk_range(unsigned int xid, + struct file *src_file, loff_t off, + struct file *dst_file, loff_t destoff, + size_t len, unsigned int flags); + extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg); #ifdef CONFIG_CIFS_NFSD_EXPORT extern const struct export_operations cifs_export_ops; diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index d42dd3288647..37f5a41cc50c 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -243,6 +243,7 @@ struct smb_version_operations { /* verify the message */ int (*check_message)(char *, unsigned int, struct TCP_Server_Info *); bool (*is_oplock_break)(char *, struct TCP_Server_Info *); + int (*handle_cancelled_mid)(char *, struct TCP_Server_Info *); void (*downgrade_oplock)(struct TCP_Server_Info *, struct cifsInodeInfo *, bool); /* process transaction2 response */ @@ -407,9 +408,10 @@ struct smb_version_operations { char * (*create_lease_buf)(u8 *, u8); /* parse lease context buffer and return oplock/epoch info */ __u8 (*parse_lease_buf)(void *, unsigned int *); - int (*clone_range)(const unsigned int, struct cifsFileInfo *src_file, - struct cifsFileInfo *target_file, u64 src_off, u64 len, - u64 dest_off); + ssize_t (*copychunk_range)(const unsigned int, + struct cifsFileInfo *src_file, + struct cifsFileInfo *target_file, + u64 src_off, u64 len, u64 dest_off); int (*duplicate_extents)(const unsigned int, struct cifsFileInfo *src, struct cifsFileInfo *target_file, u64 src_off, u64 len, u64 dest_off); @@ -946,7 +948,6 @@ struct cifs_tcon { bool use_persistent:1; /* use persistent instead of durable handles */ #ifdef CONFIG_CIFS_SMB2 bool print:1; /* set if connection to printer share */ - bool bad_network_name:1; /* set if ret status STATUS_BAD_NETWORK_NAME */ __le32 capabilities; __u32 share_flags; __u32 maximal_access; @@ -1343,6 +1344,7 @@ struct mid_q_entry { void *callback_data; /* general purpose pointer for callback */ void *resp_buf; /* pointer to received SMB header */ int mid_state; /* wish this were enum but can not pass to wait_event */ + unsigned int mid_flags; __le16 command; /* smb command code */ bool large_buf:1; /* if valid response, is pointer to large buf */ bool multiRsp:1; /* multiple trans2 responses for one request */ @@ -1350,6 +1352,12 @@ struct mid_q_entry { bool decrypted:1; /* decrypted entry */ }; +struct close_cancelled_open { + struct cifs_fid fid; + struct cifs_tcon *tcon; + struct work_struct work; +}; + /* Make code in transport.c a little cleaner by moving update of optional stats into function below */ #ifdef CONFIG_CIFS_STATS2 @@ -1481,6 +1489,9 @@ static inline void free_dfs_info_array(struct dfs_info3_param *param, #define MID_RESPONSE_MALFORMED 0x10 #define MID_SHUTDOWN 0x20 +/* Flags */ +#define MID_WAIT_CANCELLED 1 /* Cancelled while waiting for response */ + /* Types of response buffer returned from SendReceive2 */ #define CIFS_NO_BUFFER 0 /* Response buffer not returned */ #define CIFS_SMALL_BUFFER 1 diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 066950671929..5d21f00ae341 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -1428,6 +1428,8 @@ cifs_readv_discard(struct TCP_Server_Info *server, struct mid_q_entry *mid) length = cifs_discard_remaining_data(server); dequeue_mid(mid, rdata->result); + mid->resp_buf = server->smallbuf; + server->smallbuf = NULL; return length; } @@ -1541,6 +1543,8 @@ cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid) return cifs_readv_discard(server, mid); dequeue_mid(mid, false); + mid->resp_buf = server->smallbuf; + server->smallbuf = NULL; return length; } diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 858698dcde3c..190a855bc844 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -905,10 +905,19 @@ cifs_demultiplex_thread(void *p) server->lstrp = jiffies; if (mid_entry != NULL) { + if ((mid_entry->mid_flags & MID_WAIT_CANCELLED) && + mid_entry->mid_state == MID_RESPONSE_RECEIVED && + server->ops->handle_cancelled_mid) + server->ops->handle_cancelled_mid( + mid_entry->resp_buf, + server); + if (!mid_entry->multiRsp || mid_entry->multiEnd) mid_entry->callback(mid_entry); - } else if (!server->ops->is_oplock_break || - !server->ops->is_oplock_break(buf, server)) { + } else if (server->ops->is_oplock_break && + server->ops->is_oplock_break(buf, server)) { + cifs_dbg(FYI, "Received oplock break\n"); + } else { cifs_dbg(VFS, "No task to wake, unknown frame received! NumMids %d\n", atomic_read(&midCount)); cifs_dump_mem("Received Data is: ", buf, @@ -3745,6 +3754,9 @@ try_mount_again: if (IS_ERR(tcon)) { rc = PTR_ERR(tcon); tcon = NULL; + if (rc == -EACCES) + goto mount_fail_check; + goto remote_path_check; } diff --git a/fs/cifs/file.c b/fs/cifs/file.c index aa3debbba826..21d404535739 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -2597,7 +2597,7 @@ cifs_write_from_iter(loff_t offset, size_t len, struct iov_iter *from, wdata->credits = credits; if (!wdata->cfile->invalidHandle || - !cifs_reopen_file(wdata->cfile, false)) + !(rc = cifs_reopen_file(wdata->cfile, false))) rc = server->ops->async_writev(wdata, cifs_uncached_writedata_release); if (rc) { @@ -3022,7 +3022,7 @@ cifs_send_async_read(loff_t offset, size_t len, struct cifsFileInfo *open_file, rdata->credits = credits; if (!rdata->cfile->invalidHandle || - !cifs_reopen_file(rdata->cfile, true)) + !(rc = cifs_reopen_file(rdata->cfile, true))) rc = server->ops->async_readv(rdata); error: if (rc) { @@ -3617,7 +3617,7 @@ static int cifs_readpages(struct file *file, struct address_space *mapping, } if (!rdata->cfile->invalidHandle || - !cifs_reopen_file(rdata->cfile, true)) + !(rc = cifs_reopen_file(rdata->cfile, true))) rc = server->ops->async_readv(rdata); if (rc) { add_credits_and_wake_if(server, rdata->credits, 0); diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c index 001528781b6b..265c45fe4ea5 100644 --- a/fs/cifs/ioctl.c +++ b/fs/cifs/ioctl.c @@ -34,71 +34,14 @@ #include "cifs_ioctl.h" #include <linux/btrfs.h> -static int cifs_file_clone_range(unsigned int xid, struct file *src_file, - struct file *dst_file) -{ - struct inode *src_inode = file_inode(src_file); - struct inode *target_inode = file_inode(dst_file); - struct cifsFileInfo *smb_file_src; - struct cifsFileInfo *smb_file_target; - struct cifs_tcon *src_tcon; - struct cifs_tcon *target_tcon; - int rc; - - cifs_dbg(FYI, "ioctl clone range\n"); - - if (!src_file->private_data || !dst_file->private_data) { - rc = -EBADF; - cifs_dbg(VFS, "missing cifsFileInfo on copy range src file\n"); - goto out; - } - - rc = -EXDEV; - smb_file_target = dst_file->private_data; - smb_file_src = src_file->private_data; - src_tcon = tlink_tcon(smb_file_src->tlink); - target_tcon = tlink_tcon(smb_file_target->tlink); - - if (src_tcon->ses != target_tcon->ses) { - cifs_dbg(VFS, "source and target of copy not on same server\n"); - goto out; - } - - /* - * Note: cifs case is easier than btrfs since server responsible for - * checks for proper open modes and file type and if it wants - * server could even support copy of range where source = target - */ - lock_two_nondirectories(target_inode, src_inode); - - cifs_dbg(FYI, "about to flush pages\n"); - /* should we flush first and last page first */ - truncate_inode_pages(&target_inode->i_data, 0); - - if (target_tcon->ses->server->ops->clone_range) - rc = target_tcon->ses->server->ops->clone_range(xid, - smb_file_src, smb_file_target, 0, src_inode->i_size, 0); - else - rc = -EOPNOTSUPP; - - /* force revalidate of size and timestamps of target file now - that target is updated on the server */ - CIFS_I(target_inode)->time = 0; - /* although unlocking in the reverse order from locking is not - strictly necessary here it is a little cleaner to be consistent */ - unlock_two_nondirectories(src_inode, target_inode); -out: - return rc; -} - -static long cifs_ioctl_clone(unsigned int xid, struct file *dst_file, +static long cifs_ioctl_copychunk(unsigned int xid, struct file *dst_file, unsigned long srcfd) { int rc; struct fd src_file; struct inode *src_inode; - cifs_dbg(FYI, "ioctl clone range\n"); + cifs_dbg(FYI, "ioctl copychunk range\n"); /* the destination must be opened for writing */ if (!(dst_file->f_mode & FMODE_WRITE)) { cifs_dbg(FYI, "file target not open for write\n"); @@ -129,7 +72,8 @@ static long cifs_ioctl_clone(unsigned int xid, struct file *dst_file, if (S_ISDIR(src_inode->i_mode)) goto out_fput; - rc = cifs_file_clone_range(xid, src_file.file, dst_file); + rc = cifs_file_copychunk_range(xid, src_file.file, 0, dst_file, 0, + src_inode->i_size, 0); out_fput: fdput(src_file); @@ -251,7 +195,7 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg) } break; case CIFS_IOC_COPYCHUNK_FILE: - rc = cifs_ioctl_clone(xid, filep, arg); + rc = cifs_ioctl_copychunk(xid, filep, arg); break; case CIFS_IOC_SET_INTEGRITY: if (pSMBFile == NULL) diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c index fd516ea8b8f8..1a04b3a5beb1 100644 --- a/fs/cifs/smb2misc.c +++ b/fs/cifs/smb2misc.c @@ -659,3 +659,49 @@ smb2_is_valid_oplock_break(char *buffer, struct TCP_Server_Info *server) cifs_dbg(FYI, "Can not process oplock break for non-existent connection\n"); return false; } + +void +smb2_cancelled_close_fid(struct work_struct *work) +{ + struct close_cancelled_open *cancelled = container_of(work, + struct close_cancelled_open, work); + + cifs_dbg(VFS, "Close unmatched open\n"); + + SMB2_close(0, cancelled->tcon, cancelled->fid.persistent_fid, + cancelled->fid.volatile_fid); + cifs_put_tcon(cancelled->tcon); + kfree(cancelled); +} + +int +smb2_handle_cancelled_mid(char *buffer, struct TCP_Server_Info *server) +{ + struct smb2_sync_hdr *sync_hdr = get_sync_hdr(buffer); + struct smb2_create_rsp *rsp = (struct smb2_create_rsp *)buffer; + struct cifs_tcon *tcon; + struct close_cancelled_open *cancelled; + + if (sync_hdr->Command != SMB2_CREATE || + sync_hdr->Status != STATUS_SUCCESS) + return 0; + + cancelled = kzalloc(sizeof(*cancelled), GFP_KERNEL); + if (!cancelled) + return -ENOMEM; + + tcon = smb2_find_smb_tcon(server, sync_hdr->SessionId, + sync_hdr->TreeId); + if (!tcon) { + kfree(cancelled); + return -ENOENT; + } + + cancelled->fid.persistent_fid = rsp->PersistentFileId; + cancelled->fid.volatile_fid = rsp->VolatileFileId; + cancelled->tcon = tcon; + INIT_WORK(&cancelled->work, smb2_cancelled_close_fid); + queue_work(cifsiod_wq, &cancelled->work); + + return 0; +} diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index 0231108d9387..152e37f2ad92 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -21,6 +21,7 @@ #include <linux/vfs.h> #include <linux/falloc.h> #include <linux/scatterlist.h> +#include <linux/uuid.h> #include <crypto/aead.h> #include "cifsglob.h" #include "smb2pdu.h" @@ -592,8 +593,8 @@ req_res_key_exit: return rc; } -static int -smb2_clone_range(const unsigned int xid, +static ssize_t +smb2_copychunk_range(const unsigned int xid, struct cifsFileInfo *srcfile, struct cifsFileInfo *trgtfile, u64 src_off, u64 len, u64 dest_off) @@ -605,13 +606,14 @@ smb2_clone_range(const unsigned int xid, struct cifs_tcon *tcon; int chunks_copied = 0; bool chunk_sizes_updated = false; + ssize_t bytes_written, total_bytes_written = 0; pcchunk = kmalloc(sizeof(struct copychunk_ioctl), GFP_KERNEL); if (pcchunk == NULL) return -ENOMEM; - cifs_dbg(FYI, "in smb2_clone_range - about to call request res key\n"); + cifs_dbg(FYI, "in smb2_copychunk_range - about to call request res key\n"); /* Request a key from the server to identify the source of the copy */ rc = SMB2_request_res_key(xid, tlink_tcon(srcfile->tlink), srcfile->fid.persistent_fid, @@ -669,14 +671,16 @@ smb2_clone_range(const unsigned int xid, } chunks_copied++; - src_off += le32_to_cpu(retbuf->TotalBytesWritten); - dest_off += le32_to_cpu(retbuf->TotalBytesWritten); - len -= le32_to_cpu(retbuf->TotalBytesWritten); + bytes_written = le32_to_cpu(retbuf->TotalBytesWritten); + src_off += bytes_written; + dest_off += bytes_written; + len -= bytes_written; + total_bytes_written += bytes_written; - cifs_dbg(FYI, "Chunks %d PartialChunk %d Total %d\n", + cifs_dbg(FYI, "Chunks %d PartialChunk %d Total %zu\n", le32_to_cpu(retbuf->ChunksWritten), le32_to_cpu(retbuf->ChunkBytesWritten), - le32_to_cpu(retbuf->TotalBytesWritten)); + bytes_written); } else if (rc == -EINVAL) { if (ret_data_len != sizeof(struct copychunk_ioctl_rsp)) goto cchunk_out; @@ -713,7 +717,10 @@ smb2_clone_range(const unsigned int xid, cchunk_out: kfree(pcchunk); kfree(retbuf); - return rc; + if (rc) + return rc; + else + return total_bytes_written; } static int @@ -2322,6 +2329,7 @@ struct smb_version_operations smb20_operations = { .clear_stats = smb2_clear_stats, .print_stats = smb2_print_stats, .is_oplock_break = smb2_is_valid_oplock_break, + .handle_cancelled_mid = smb2_handle_cancelled_mid, .downgrade_oplock = smb2_downgrade_oplock, .need_neg = smb2_need_neg, .negotiate = smb2_negotiate, @@ -2377,7 +2385,7 @@ struct smb_version_operations smb20_operations = { .set_oplock_level = smb2_set_oplock_level, .create_lease_buf = smb2_create_lease_buf, .parse_lease_buf = smb2_parse_lease_buf, - .clone_range = smb2_clone_range, + .copychunk_range = smb2_copychunk_range, .wp_retry_size = smb2_wp_retry_size, .dir_needs_close = smb2_dir_needs_close, .get_dfs_refer = smb2_get_dfs_refer, @@ -2404,6 +2412,7 @@ struct smb_version_operations smb21_operations = { .clear_stats = smb2_clear_stats, .print_stats = smb2_print_stats, .is_oplock_break = smb2_is_valid_oplock_break, + .handle_cancelled_mid = smb2_handle_cancelled_mid, .downgrade_oplock = smb2_downgrade_oplock, .need_neg = smb2_need_neg, .negotiate = smb2_negotiate, @@ -2459,7 +2468,7 @@ struct smb_version_operations smb21_operations = { .set_oplock_level = smb21_set_oplock_level, .create_lease_buf = smb2_create_lease_buf, .parse_lease_buf = smb2_parse_lease_buf, - .clone_range = smb2_clone_range, + .copychunk_range = smb2_copychunk_range, .wp_retry_size = smb2_wp_retry_size, .dir_needs_close = smb2_dir_needs_close, .enum_snapshots = smb3_enum_snapshots, @@ -2488,6 +2497,7 @@ struct smb_version_operations smb30_operations = { .print_stats = smb2_print_stats, .dump_share_caps = smb2_dump_share_caps, .is_oplock_break = smb2_is_valid_oplock_break, + .handle_cancelled_mid = smb2_handle_cancelled_mid, .downgrade_oplock = smb2_downgrade_oplock, .need_neg = smb2_need_neg, .negotiate = smb2_negotiate, @@ -2545,7 +2555,7 @@ struct smb_version_operations smb30_operations = { .set_oplock_level = smb3_set_oplock_level, .create_lease_buf = smb3_create_lease_buf, .parse_lease_buf = smb3_parse_lease_buf, - .clone_range = smb2_clone_range, + .copychunk_range = smb2_copychunk_range, .duplicate_extents = smb2_duplicate_extents, .validate_negotiate = smb3_validate_negotiate, .wp_retry_size = smb2_wp_retry_size, @@ -2582,6 +2592,7 @@ struct smb_version_operations smb311_operations = { .print_stats = smb2_print_stats, .dump_share_caps = smb2_dump_share_caps, .is_oplock_break = smb2_is_valid_oplock_break, + .handle_cancelled_mid = smb2_handle_cancelled_mid, .downgrade_oplock = smb2_downgrade_oplock, .need_neg = smb2_need_neg, .negotiate = smb2_negotiate, @@ -2639,7 +2650,7 @@ struct smb_version_operations smb311_operations = { .set_oplock_level = smb3_set_oplock_level, .create_lease_buf = smb3_create_lease_buf, .parse_lease_buf = smb3_parse_lease_buf, - .clone_range = smb2_clone_range, + .copychunk_range = smb2_copychunk_range, .duplicate_extents = smb2_duplicate_extents, /* .validate_negotiate = smb3_validate_negotiate, */ /* not used in 3.11 */ .wp_retry_size = smb2_wp_retry_size, diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index fb75fe908225..fb0da096c2ce 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -563,8 +563,10 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses) * but for time being this is our only auth choice so doesn't matter. * We just found a server which sets blob length to zero expecting raw. */ - if (blob_length == 0) + if (blob_length == 0) { cifs_dbg(FYI, "missing security blob on negprot\n"); + server->sec_ntlmssp = true; + } rc = cifs_enable_signing(server, ses->sign); if (rc) @@ -1172,9 +1174,6 @@ SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, const char *tree, else return -EIO; - if (tcon && tcon->bad_network_name) - return -ENOENT; - unc_path = kmalloc(MAX_SHARENAME_LENGTH * 2, GFP_KERNEL); if (unc_path == NULL) return -ENOMEM; @@ -1186,6 +1185,10 @@ SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, const char *tree, return -EINVAL; } + /* SMB2 TREE_CONNECT request must be called with TreeId == 0 */ + if (tcon) + tcon->tid = 0; + rc = small_smb2_init(SMB2_TREE_CONNECT, tcon, (void **) &req); if (rc) { kfree(unc_path); @@ -1274,8 +1277,6 @@ tcon_exit: tcon_error_exit: if (rsp->hdr.sync_hdr.Status == STATUS_BAD_NETWORK_NAME) { cifs_dbg(VFS, "BAD_NETWORK_NAME: %s\n", tree); - if (tcon) - tcon->bad_network_name = true; } goto tcon_exit; } @@ -2178,6 +2179,9 @@ void smb2_reconnect_server(struct work_struct *work) struct cifs_tcon *tcon, *tcon2; struct list_head tmp_list; int tcon_exist = false; + int rc; + int resched = false; + /* Prevent simultaneous reconnects that can corrupt tcon->rlist list */ mutex_lock(&server->reconnect_mutex); @@ -2205,13 +2209,18 @@ void smb2_reconnect_server(struct work_struct *work) spin_unlock(&cifs_tcp_ses_lock); list_for_each_entry_safe(tcon, tcon2, &tmp_list, rlist) { - if (!smb2_reconnect(SMB2_INTERNAL_CMD, tcon)) + rc = smb2_reconnect(SMB2_INTERNAL_CMD, tcon); + if (!rc) cifs_reopen_persistent_handles(tcon); + else + resched = true; list_del_init(&tcon->rlist); cifs_put_tcon(tcon); } cifs_dbg(FYI, "Reconnecting tcons finished\n"); + if (resched) + queue_delayed_work(cifsiod_wq, &server->reconnect, 2 * HZ); mutex_unlock(&server->reconnect_mutex); /* now we can safely release srv struct */ diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h index 69e35873b1de..6853454fc871 100644 --- a/fs/cifs/smb2proto.h +++ b/fs/cifs/smb2proto.h @@ -48,6 +48,10 @@ extern struct mid_q_entry *smb2_setup_request(struct cifs_ses *ses, struct smb_rqst *rqst); extern struct mid_q_entry *smb2_setup_async_request( struct TCP_Server_Info *server, struct smb_rqst *rqst); +extern struct cifs_ses *smb2_find_smb_ses(struct TCP_Server_Info *server, + __u64 ses_id); +extern struct cifs_tcon *smb2_find_smb_tcon(struct TCP_Server_Info *server, + __u64 ses_id, __u32 tid); extern int smb2_calc_signature(struct smb_rqst *rqst, struct TCP_Server_Info *server); extern int smb3_calc_signature(struct smb_rqst *rqst, @@ -164,6 +168,9 @@ extern int SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon, const u64 persistent_fid, const u64 volatile_fid, const __u8 oplock_level); +extern int smb2_handle_cancelled_mid(char *buffer, + struct TCP_Server_Info *server); +void smb2_cancelled_close_fid(struct work_struct *work); extern int SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_file_id, u64 volatile_file_id, struct kstatfs *FSData); diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c index 7c3bb1bd7eed..506b67fc93d9 100644 --- a/fs/cifs/smb2transport.c +++ b/fs/cifs/smb2transport.c @@ -115,23 +115,70 @@ smb3_crypto_shash_allocate(struct TCP_Server_Info *server) return 0; } -struct cifs_ses * -smb2_find_smb_ses(struct TCP_Server_Info *server, __u64 ses_id) +static struct cifs_ses * +smb2_find_smb_ses_unlocked(struct TCP_Server_Info *server, __u64 ses_id) { struct cifs_ses *ses; - spin_lock(&cifs_tcp_ses_lock); list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) { if (ses->Suid != ses_id) continue; - spin_unlock(&cifs_tcp_ses_lock); return ses; } + + return NULL; +} + +struct cifs_ses * +smb2_find_smb_ses(struct TCP_Server_Info *server, __u64 ses_id) +{ + struct cifs_ses *ses; + + spin_lock(&cifs_tcp_ses_lock); + ses = smb2_find_smb_ses_unlocked(server, ses_id); spin_unlock(&cifs_tcp_ses_lock); + return ses; +} + +static struct cifs_tcon * +smb2_find_smb_sess_tcon_unlocked(struct cifs_ses *ses, __u32 tid) +{ + struct cifs_tcon *tcon; + + list_for_each_entry(tcon, &ses->tcon_list, tcon_list) { + if (tcon->tid != tid) + continue; + ++tcon->tc_count; + return tcon; + } + return NULL; } +/* + * Obtain tcon corresponding to the tid in the given + * cifs_ses + */ + +struct cifs_tcon * +smb2_find_smb_tcon(struct TCP_Server_Info *server, __u64 ses_id, __u32 tid) +{ + struct cifs_ses *ses; + struct cifs_tcon *tcon; + + spin_lock(&cifs_tcp_ses_lock); + ses = smb2_find_smb_ses_unlocked(server, ses_id); + if (!ses) { + spin_unlock(&cifs_tcp_ses_lock); + return NULL; + } + tcon = smb2_find_smb_sess_tcon_unlocked(ses, tid); + spin_unlock(&cifs_tcp_ses_lock); + + return tcon; +} + int smb2_calc_signature(struct smb_rqst *rqst, struct TCP_Server_Info *server) { diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index 526f0533cb4e..f6e13a977fc8 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -752,9 +752,11 @@ cifs_send_recv(const unsigned int xid, struct cifs_ses *ses, rc = wait_for_response(ses->server, midQ); if (rc != 0) { + cifs_dbg(FYI, "Cancelling wait for mid %llu\n", midQ->mid); send_cancel(ses->server, rqst, midQ); spin_lock(&GlobalMid_Lock); if (midQ->mid_state == MID_REQUEST_SUBMITTED) { + midQ->mid_flags |= MID_WAIT_CANCELLED; midQ->callback = DeleteMidQEntry; spin_unlock(&GlobalMid_Lock); add_credits(ses->server, 1, optype); @@ -373,6 +373,22 @@ restart: } spin_lock_irq(&mapping->tree_lock); + if (!entry) { + /* + * We needed to drop the page_tree lock while calling + * radix_tree_preload() and we didn't have an entry to + * lock. See if another thread inserted an entry at + * our index during this time. + */ + entry = __radix_tree_lookup(&mapping->page_tree, index, + NULL, &slot); + if (entry) { + radix_tree_preload_end(); + spin_unlock_irq(&mapping->tree_lock); + goto restart; + } + } + if (pmd_downgrade) { radix_tree_delete(&mapping->page_tree, index); mapping->nrexceptional--; @@ -388,19 +404,12 @@ restart: if (err) { spin_unlock_irq(&mapping->tree_lock); /* - * Someone already created the entry? This is a - * normal failure when inserting PMDs in a range - * that already contains PTEs. In that case we want - * to return -EEXIST immediately. - */ - if (err == -EEXIST && !(size_flag & RADIX_DAX_PMD)) - goto restart; - /* - * Our insertion of a DAX PMD entry failed, most - * likely because it collided with a PTE sized entry - * at a different index in the PMD range. We haven't - * inserted anything into the radix tree and have no - * waiters to wake. + * Our insertion of a DAX entry failed, most likely + * because we were inserting a PMD entry and it + * collided with a PTE sized entry at a different + * index in the PMD range. We haven't inserted + * anything into the radix tree and have no waiters to + * wake. */ return ERR_PTR(err); } diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index f493af666591..fb69ee2388db 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -2466,6 +2466,7 @@ extern int ext4_setattr(struct dentry *, struct iattr *); extern int ext4_getattr(const struct path *, struct kstat *, u32, unsigned int); extern void ext4_evict_inode(struct inode *); extern void ext4_clear_inode(struct inode *); +extern int ext4_file_getattr(const struct path *, struct kstat *, u32, unsigned int); extern int ext4_sync_inode(handle_t *, struct inode *); extern void ext4_dirty_inode(struct inode *, int); extern int ext4_change_inode_journal_flag(struct inode *, int); diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 8210c1f43556..cefa9835f275 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -744,7 +744,7 @@ const struct file_operations ext4_file_operations = { const struct inode_operations ext4_file_inode_operations = { .setattr = ext4_setattr, - .getattr = ext4_getattr, + .getattr = ext4_file_getattr, .listxattr = ext4_listxattr, .get_acl = ext4_get_acl, .set_acl = ext4_set_acl, diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 4247d8d25687..b9ffa9f4191f 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -5390,11 +5390,46 @@ err_out: int ext4_getattr(const struct path *path, struct kstat *stat, u32 request_mask, unsigned int query_flags) { - struct inode *inode; - unsigned long long delalloc_blocks; + struct inode *inode = d_inode(path->dentry); + struct ext4_inode *raw_inode; + struct ext4_inode_info *ei = EXT4_I(inode); + unsigned int flags; + + if (EXT4_FITS_IN_INODE(raw_inode, ei, i_crtime)) { + stat->result_mask |= STATX_BTIME; + stat->btime.tv_sec = ei->i_crtime.tv_sec; + stat->btime.tv_nsec = ei->i_crtime.tv_nsec; + } + + flags = ei->i_flags & EXT4_FL_USER_VISIBLE; + if (flags & EXT4_APPEND_FL) + stat->attributes |= STATX_ATTR_APPEND; + if (flags & EXT4_COMPR_FL) + stat->attributes |= STATX_ATTR_COMPRESSED; + if (flags & EXT4_ENCRYPT_FL) + stat->attributes |= STATX_ATTR_ENCRYPTED; + if (flags & EXT4_IMMUTABLE_FL) + stat->attributes |= STATX_ATTR_IMMUTABLE; + if (flags & EXT4_NODUMP_FL) + stat->attributes |= STATX_ATTR_NODUMP; + + stat->attributes_mask |= (STATX_ATTR_APPEND | + STATX_ATTR_COMPRESSED | + STATX_ATTR_ENCRYPTED | + STATX_ATTR_IMMUTABLE | + STATX_ATTR_NODUMP); - inode = d_inode(path->dentry); generic_fillattr(inode, stat); + return 0; +} + +int ext4_file_getattr(const struct path *path, struct kstat *stat, + u32 request_mask, unsigned int query_flags) +{ + struct inode *inode = d_inode(path->dentry); + u64 delalloc_blocks; + + ext4_getattr(path, stat, request_mask, query_flags); /* * If there is inline data in the inode, the inode will normally not diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 6ad612c576fc..07e5e1405771 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -3912,6 +3912,7 @@ const struct inode_operations ext4_dir_inode_operations = { .tmpfile = ext4_tmpfile, .rename = ext4_rename2, .setattr = ext4_setattr, + .getattr = ext4_getattr, .listxattr = ext4_listxattr, .get_acl = ext4_get_acl, .set_acl = ext4_set_acl, @@ -3920,6 +3921,7 @@ const struct inode_operations ext4_dir_inode_operations = { const struct inode_operations ext4_special_inode_operations = { .setattr = ext4_setattr, + .getattr = ext4_getattr, .listxattr = ext4_listxattr, .get_acl = ext4_get_acl, .set_acl = ext4_set_acl, diff --git a/fs/ext4/symlink.c b/fs/ext4/symlink.c index 73b184d161fc..5c8fc53cb0e5 100644 --- a/fs/ext4/symlink.c +++ b/fs/ext4/symlink.c @@ -85,17 +85,20 @@ errout: const struct inode_operations ext4_encrypted_symlink_inode_operations = { .get_link = ext4_encrypted_get_link, .setattr = ext4_setattr, + .getattr = ext4_getattr, .listxattr = ext4_listxattr, }; const struct inode_operations ext4_symlink_inode_operations = { .get_link = page_get_link, .setattr = ext4_setattr, + .getattr = ext4_getattr, .listxattr = ext4_listxattr, }; const struct inode_operations ext4_fast_symlink_inode_operations = { .get_link = simple_get_link, .setattr = ext4_setattr, + .getattr = ext4_getattr, .listxattr = ext4_listxattr, }; diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 7163fe014b57..dde861387a40 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -136,17 +136,26 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma) vma->vm_flags |= VM_HUGETLB | VM_DONTEXPAND; vma->vm_ops = &hugetlb_vm_ops; + /* + * Offset passed to mmap (before page shift) could have been + * negative when represented as a (l)off_t. + */ + if (((loff_t)vma->vm_pgoff << PAGE_SHIFT) < 0) + return -EINVAL; + if (vma->vm_pgoff & (~huge_page_mask(h) >> PAGE_SHIFT)) return -EINVAL; vma_len = (loff_t)(vma->vm_end - vma->vm_start); + len = vma_len + ((loff_t)vma->vm_pgoff << PAGE_SHIFT); + /* check for overflow */ + if (len < vma_len) + return -EINVAL; inode_lock(inode); file_accessed(file); ret = -ENOMEM; - len = vma_len + ((loff_t)vma->vm_pgoff << PAGE_SHIFT); - if (hugetlb_reserve_pages(inode, vma->vm_pgoff >> huge_page_order(h), len >> huge_page_shift(h), vma, @@ -155,7 +164,7 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma) ret = 0; if (vma->vm_flags & VM_WRITE && inode->i_size < len) - inode->i_size = len; + i_size_write(inode, len); out: inode_unlock(inode); diff --git a/fs/orangefs/super.c b/fs/orangefs/super.c index 67c24351a67f..cd261c8de53a 100644 --- a/fs/orangefs/super.c +++ b/fs/orangefs/super.c @@ -263,8 +263,13 @@ int orangefs_remount(struct orangefs_sb_info_s *orangefs_sb) if (!new_op) return -ENOMEM; new_op->upcall.req.features.features = 0; - ret = service_operation(new_op, "orangefs_features", 0); - orangefs_features = new_op->downcall.resp.features.features; + ret = service_operation(new_op, "orangefs_features", + ORANGEFS_OP_PRIORITY | ORANGEFS_OP_NO_MUTEX); + if (!ret) + orangefs_features = + new_op->downcall.resp.features.features; + else + orangefs_features = 0; op_release(new_op); } else { orangefs_features = 0; diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index 8f91ec66baa3..d04ea4349909 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -1074,6 +1074,7 @@ static int sysctl_check_table(const char *path, struct ctl_table *table) if ((table->proc_handler == proc_dostring) || (table->proc_handler == proc_dointvec) || + (table->proc_handler == proc_douintvec) || (table->proc_handler == proc_dointvec_minmax) || (table->proc_handler == proc_dointvec_jiffies) || (table->proc_handler == proc_dointvec_userhz_jiffies) || diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index f08bd31c1081..312578089544 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -900,7 +900,14 @@ static inline void clear_soft_dirty(struct vm_area_struct *vma, static inline void clear_soft_dirty_pmd(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmdp) { - pmd_t pmd = pmdp_huge_get_and_clear(vma->vm_mm, addr, pmdp); + pmd_t pmd = *pmdp; + + /* See comment in change_huge_pmd() */ + pmdp_invalidate(vma, addr, pmdp); + if (pmd_dirty(*pmdp)) + pmd = pmd_mkdirty(pmd); + if (pmd_young(*pmdp)) + pmd = pmd_mkyoung(pmd); pmd = pmd_wrprotect(pmd); pmd = pmd_clear_soft_dirty(pmd); diff --git a/fs/stat.c b/fs/stat.c index fa0be59340cc..c6c963b2546b 100644 --- a/fs/stat.c +++ b/fs/stat.c @@ -130,9 +130,13 @@ EXPORT_SYMBOL(vfs_getattr); int vfs_statx_fd(unsigned int fd, struct kstat *stat, u32 request_mask, unsigned int query_flags) { - struct fd f = fdget_raw(fd); + struct fd f; int error = -EBADF; + if (query_flags & ~KSTAT_QUERY_FLAGS) + return -EINVAL; + + f = fdget_raw(fd); if (f.file) { error = vfs_getattr(&f.file->f_path, stat, request_mask, query_flags); @@ -155,9 +159,6 @@ EXPORT_SYMBOL(vfs_statx_fd); * Additionally, the use of AT_SYMLINK_NOFOLLOW in flags will prevent a symlink * at the given name from being referenced. * - * The caller must have preset stat->request_mask as for vfs_getattr(). The - * flags are also used to load up stat->query_flags. - * * 0 will be returned on success, and a -ve error code if unsuccessful. */ int vfs_statx(int dfd, const char __user *filename, int flags, @@ -509,46 +510,38 @@ SYSCALL_DEFINE4(fstatat64, int, dfd, const char __user *, filename, } #endif /* __ARCH_WANT_STAT64 || __ARCH_WANT_COMPAT_STAT64 */ -static inline int __put_timestamp(struct timespec *kts, - struct statx_timestamp __user *uts) -{ - return (__put_user(kts->tv_sec, &uts->tv_sec ) || - __put_user(kts->tv_nsec, &uts->tv_nsec ) || - __put_user(0, &uts->__reserved )); -} - -/* - * Set the statx results. - */ -static long statx_set_result(struct kstat *stat, struct statx __user *buffer) +static noinline_for_stack int +cp_statx(const struct kstat *stat, struct statx __user *buffer) { - uid_t uid = from_kuid_munged(current_user_ns(), stat->uid); - gid_t gid = from_kgid_munged(current_user_ns(), stat->gid); - - if (__put_user(stat->result_mask, &buffer->stx_mask ) || - __put_user(stat->mode, &buffer->stx_mode ) || - __clear_user(&buffer->__spare0, sizeof(buffer->__spare0)) || - __put_user(stat->nlink, &buffer->stx_nlink ) || - __put_user(uid, &buffer->stx_uid ) || - __put_user(gid, &buffer->stx_gid ) || - __put_user(stat->attributes, &buffer->stx_attributes ) || - __put_user(stat->blksize, &buffer->stx_blksize ) || - __put_user(MAJOR(stat->rdev), &buffer->stx_rdev_major ) || - __put_user(MINOR(stat->rdev), &buffer->stx_rdev_minor ) || - __put_user(MAJOR(stat->dev), &buffer->stx_dev_major ) || - __put_user(MINOR(stat->dev), &buffer->stx_dev_minor ) || - __put_timestamp(&stat->atime, &buffer->stx_atime ) || - __put_timestamp(&stat->btime, &buffer->stx_btime ) || - __put_timestamp(&stat->ctime, &buffer->stx_ctime ) || - __put_timestamp(&stat->mtime, &buffer->stx_mtime ) || - __put_user(stat->ino, &buffer->stx_ino ) || - __put_user(stat->size, &buffer->stx_size ) || - __put_user(stat->blocks, &buffer->stx_blocks ) || - __clear_user(&buffer->__spare1, sizeof(buffer->__spare1)) || - __clear_user(&buffer->__spare2, sizeof(buffer->__spare2))) - return -EFAULT; - - return 0; + struct statx tmp; + + memset(&tmp, 0, sizeof(tmp)); + + tmp.stx_mask = stat->result_mask; + tmp.stx_blksize = stat->blksize; + tmp.stx_attributes = stat->attributes; + tmp.stx_nlink = stat->nlink; + tmp.stx_uid = from_kuid_munged(current_user_ns(), stat->uid); + tmp.stx_gid = from_kgid_munged(current_user_ns(), stat->gid); + tmp.stx_mode = stat->mode; + tmp.stx_ino = stat->ino; + tmp.stx_size = stat->size; + tmp.stx_blocks = stat->blocks; + tmp.stx_attributes_mask = stat->attributes_mask; + tmp.stx_atime.tv_sec = stat->atime.tv_sec; + tmp.stx_atime.tv_nsec = stat->atime.tv_nsec; + tmp.stx_btime.tv_sec = stat->btime.tv_sec; + tmp.stx_btime.tv_nsec = stat->btime.tv_nsec; + tmp.stx_ctime.tv_sec = stat->ctime.tv_sec; + tmp.stx_ctime.tv_nsec = stat->ctime.tv_nsec; + tmp.stx_mtime.tv_sec = stat->mtime.tv_sec; + tmp.stx_mtime.tv_nsec = stat->mtime.tv_nsec; + tmp.stx_rdev_major = MAJOR(stat->rdev); + tmp.stx_rdev_minor = MINOR(stat->rdev); + tmp.stx_dev_major = MAJOR(stat->dev); + tmp.stx_dev_minor = MINOR(stat->dev); + + return copy_to_user(buffer, &tmp, sizeof(tmp)) ? -EFAULT : 0; } /** @@ -570,10 +563,10 @@ SYSCALL_DEFINE5(statx, struct kstat stat; int error; + if (mask & STATX__RESERVED) + return -EINVAL; if ((flags & AT_STATX_SYNC_TYPE) == AT_STATX_SYNC_TYPE) return -EINVAL; - if (!access_ok(VERIFY_WRITE, buffer, sizeof(*buffer))) - return -EFAULT; if (filename) error = vfs_statx(dfd, filename, flags, &stat, mask); @@ -581,7 +574,8 @@ SYSCALL_DEFINE5(statx, error = vfs_statx_fd(dfd, &stat, mask, flags); if (error) return error; - return statx_set_result(&stat, buffer); + + return cp_statx(&stat, buffer); } /* Caller is here responsible for sufficient locking (ie. inode->i_lock) */ diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c index b803213d1307..39c75a86c67f 100644 --- a/fs/sysfs/file.c +++ b/fs/sysfs/file.c @@ -108,7 +108,7 @@ static ssize_t sysfs_kf_read(struct kernfs_open_file *of, char *buf, { const struct sysfs_ops *ops = sysfs_file_ops(of->kn); struct kobject *kobj = of->kn->parent->priv; - size_t len; + ssize_t len; /* * If buf != of->prealloc_buf, we don't know how @@ -117,13 +117,15 @@ static ssize_t sysfs_kf_read(struct kernfs_open_file *of, char *buf, if (WARN_ON_ONCE(buf != of->prealloc_buf)) return 0; len = ops->show(kobj, of->kn->priv, buf); + if (len < 0) + return len; if (pos) { if (len <= pos) return 0; len -= pos; memmove(buf, buf + pos, len); } - return min(count, len); + return min_t(ssize_t, count, len); } /* kernfs write callback for regular sysfs files */ diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index 1d227b0fcf49..f7555fc25877 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -1756,7 +1756,7 @@ static void userfaultfd_show_fdinfo(struct seq_file *m, struct file *f) * protocols: aa:... bb:... */ seq_printf(m, "pending:\t%lu\ntotal:\t%lu\nAPI:\t%Lx:%x:%Lx\n", - pending, total, UFFD_API, UFFD_API_FEATURES, + pending, total, UFFD_API, ctx->features, UFFD_API_IOCTLS|UFFD_API_RANGE_IOCTLS); } #endif diff --git a/fs/xfs/libxfs/xfs_dir2_priv.h b/fs/xfs/libxfs/xfs_dir2_priv.h index eb00bc133bca..39f8604f764e 100644 --- a/fs/xfs/libxfs/xfs_dir2_priv.h +++ b/fs/xfs/libxfs/xfs_dir2_priv.h @@ -125,8 +125,7 @@ extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino); extern int xfs_dir2_sf_lookup(struct xfs_da_args *args); extern int xfs_dir2_sf_removename(struct xfs_da_args *args); extern int xfs_dir2_sf_replace(struct xfs_da_args *args); -extern int xfs_dir2_sf_verify(struct xfs_mount *mp, struct xfs_dir2_sf_hdr *sfp, - int size); +extern int xfs_dir2_sf_verify(struct xfs_inode *ip); /* xfs_dir2_readdir.c */ extern int xfs_readdir(struct xfs_inode *dp, struct dir_context *ctx, diff --git a/fs/xfs/libxfs/xfs_dir2_sf.c b/fs/xfs/libxfs/xfs_dir2_sf.c index 96b45cd6c63f..e84af093b2ab 100644 --- a/fs/xfs/libxfs/xfs_dir2_sf.c +++ b/fs/xfs/libxfs/xfs_dir2_sf.c @@ -632,36 +632,49 @@ xfs_dir2_sf_check( /* Verify the consistency of an inline directory. */ int xfs_dir2_sf_verify( - struct xfs_mount *mp, - struct xfs_dir2_sf_hdr *sfp, - int size) + struct xfs_inode *ip) { + struct xfs_mount *mp = ip->i_mount; + struct xfs_dir2_sf_hdr *sfp; struct xfs_dir2_sf_entry *sfep; struct xfs_dir2_sf_entry *next_sfep; char *endp; const struct xfs_dir_ops *dops; + struct xfs_ifork *ifp; xfs_ino_t ino; int i; int i8count; int offset; + int size; + int error; __uint8_t filetype; + ASSERT(ip->i_d.di_format == XFS_DINODE_FMT_LOCAL); + /* + * xfs_iread calls us before xfs_setup_inode sets up ip->d_ops, + * so we can only trust the mountpoint to have the right pointer. + */ dops = xfs_dir_get_ops(mp, NULL); + ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK); + sfp = (struct xfs_dir2_sf_hdr *)ifp->if_u1.if_data; + size = ifp->if_bytes; + /* * Give up if the directory is way too short. */ - XFS_WANT_CORRUPTED_RETURN(mp, size > - offsetof(struct xfs_dir2_sf_hdr, parent)); - XFS_WANT_CORRUPTED_RETURN(mp, size >= - xfs_dir2_sf_hdr_size(sfp->i8count)); + if (size <= offsetof(struct xfs_dir2_sf_hdr, parent) || + size < xfs_dir2_sf_hdr_size(sfp->i8count)) + return -EFSCORRUPTED; endp = (char *)sfp + size; /* Check .. entry */ ino = dops->sf_get_parent_ino(sfp); i8count = ino > XFS_DIR2_MAX_SHORT_INUM; - XFS_WANT_CORRUPTED_RETURN(mp, !xfs_dir_ino_validate(mp, ino)); + error = xfs_dir_ino_validate(mp, ino); + if (error) + return error; offset = dops->data_first_offset; /* Check all reported entries */ @@ -672,12 +685,12 @@ xfs_dir2_sf_verify( * Check the fixed-offset parts of the structure are * within the data buffer. */ - XFS_WANT_CORRUPTED_RETURN(mp, - ((char *)sfep + sizeof(*sfep)) < endp); + if (((char *)sfep + sizeof(*sfep)) >= endp) + return -EFSCORRUPTED; /* Don't allow names with known bad length. */ - XFS_WANT_CORRUPTED_RETURN(mp, sfep->namelen > 0); - XFS_WANT_CORRUPTED_RETURN(mp, sfep->namelen < MAXNAMELEN); + if (sfep->namelen == 0) + return -EFSCORRUPTED; /* * Check that the variable-length part of the structure is @@ -685,33 +698,39 @@ xfs_dir2_sf_verify( * name component, so nextentry is an acceptable test. */ next_sfep = dops->sf_nextentry(sfp, sfep); - XFS_WANT_CORRUPTED_RETURN(mp, endp >= (char *)next_sfep); + if (endp < (char *)next_sfep) + return -EFSCORRUPTED; /* Check that the offsets always increase. */ - XFS_WANT_CORRUPTED_RETURN(mp, - xfs_dir2_sf_get_offset(sfep) >= offset); + if (xfs_dir2_sf_get_offset(sfep) < offset) + return -EFSCORRUPTED; /* Check the inode number. */ ino = dops->sf_get_ino(sfp, sfep); i8count += ino > XFS_DIR2_MAX_SHORT_INUM; - XFS_WANT_CORRUPTED_RETURN(mp, !xfs_dir_ino_validate(mp, ino)); + error = xfs_dir_ino_validate(mp, ino); + if (error) + return error; /* Check the file type. */ filetype = dops->sf_get_ftype(sfep); - XFS_WANT_CORRUPTED_RETURN(mp, filetype < XFS_DIR3_FT_MAX); + if (filetype >= XFS_DIR3_FT_MAX) + return -EFSCORRUPTED; offset = xfs_dir2_sf_get_offset(sfep) + dops->data_entsize(sfep->namelen); sfep = next_sfep; } - XFS_WANT_CORRUPTED_RETURN(mp, i8count == sfp->i8count); - XFS_WANT_CORRUPTED_RETURN(mp, (void *)sfep == (void *)endp); + if (i8count != sfp->i8count) + return -EFSCORRUPTED; + if ((void *)sfep != (void *)endp) + return -EFSCORRUPTED; /* Make sure this whole thing ought to be in local format. */ - XFS_WANT_CORRUPTED_RETURN(mp, offset + - (sfp->count + 2) * (uint)sizeof(xfs_dir2_leaf_entry_t) + - (uint)sizeof(xfs_dir2_block_tail_t) <= mp->m_dir_geo->blksize); + if (offset + (sfp->count + 2) * (uint)sizeof(xfs_dir2_leaf_entry_t) + + (uint)sizeof(xfs_dir2_block_tail_t) > mp->m_dir_geo->blksize) + return -EFSCORRUPTED; return 0; } diff --git a/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c index 9653e964eda4..8a37efe04de3 100644 --- a/fs/xfs/libxfs/xfs_inode_fork.c +++ b/fs/xfs/libxfs/xfs_inode_fork.c @@ -212,6 +212,16 @@ xfs_iformat_fork( if (error) return error; + /* Check inline dir contents. */ + if (S_ISDIR(VFS_I(ip)->i_mode) && + dip->di_format == XFS_DINODE_FMT_LOCAL) { + error = xfs_dir2_sf_verify(ip); + if (error) { + xfs_idestroy_fork(ip, XFS_DATA_FORK); + return error; + } + } + if (xfs_is_reflink_inode(ip)) { ASSERT(ip->i_cowfp == NULL); xfs_ifork_init_cow(ip); @@ -322,8 +332,6 @@ xfs_iformat_local( int whichfork, int size) { - int error; - /* * If the size is unreasonable, then something * is wrong and we just bail out rather than crash in @@ -339,14 +347,6 @@ xfs_iformat_local( return -EFSCORRUPTED; } - if (S_ISDIR(VFS_I(ip)->i_mode) && whichfork == XFS_DATA_FORK) { - error = xfs_dir2_sf_verify(ip->i_mount, - (struct xfs_dir2_sf_hdr *)XFS_DFORK_DPTR(dip), - size); - if (error) - return error; - } - xfs_init_local_fork(ip, whichfork, XFS_DFORK_PTR(dip, whichfork), size); return 0; } @@ -867,7 +867,7 @@ xfs_iextents_copy( * In these cases, the format always takes precedence, because the * format indicates the current state of the fork. */ -int +void xfs_iflush_fork( xfs_inode_t *ip, xfs_dinode_t *dip, @@ -877,7 +877,6 @@ xfs_iflush_fork( char *cp; xfs_ifork_t *ifp; xfs_mount_t *mp; - int error; static const short brootflag[2] = { XFS_ILOG_DBROOT, XFS_ILOG_ABROOT }; static const short dataflag[2] = @@ -886,7 +885,7 @@ xfs_iflush_fork( { XFS_ILOG_DEXT, XFS_ILOG_AEXT }; if (!iip) - return 0; + return; ifp = XFS_IFORK_PTR(ip, whichfork); /* * This can happen if we gave up in iformat in an error path, @@ -894,19 +893,12 @@ xfs_iflush_fork( */ if (!ifp) { ASSERT(whichfork == XFS_ATTR_FORK); - return 0; + return; } cp = XFS_DFORK_PTR(dip, whichfork); mp = ip->i_mount; switch (XFS_IFORK_FORMAT(ip, whichfork)) { case XFS_DINODE_FMT_LOCAL: - if (S_ISDIR(VFS_I(ip)->i_mode) && whichfork == XFS_DATA_FORK) { - error = xfs_dir2_sf_verify(mp, - (struct xfs_dir2_sf_hdr *)ifp->if_u1.if_data, - ifp->if_bytes); - if (error) - return error; - } if ((iip->ili_fields & dataflag[whichfork]) && (ifp->if_bytes > 0)) { ASSERT(ifp->if_u1.if_data != NULL); @@ -959,7 +951,6 @@ xfs_iflush_fork( ASSERT(0); break; } - return 0; } /* diff --git a/fs/xfs/libxfs/xfs_inode_fork.h b/fs/xfs/libxfs/xfs_inode_fork.h index 132dc59fdde6..7fb8365326d1 100644 --- a/fs/xfs/libxfs/xfs_inode_fork.h +++ b/fs/xfs/libxfs/xfs_inode_fork.h @@ -140,7 +140,7 @@ typedef struct xfs_ifork { struct xfs_ifork *xfs_iext_state_to_fork(struct xfs_inode *ip, int state); int xfs_iformat_fork(struct xfs_inode *, struct xfs_dinode *); -int xfs_iflush_fork(struct xfs_inode *, struct xfs_dinode *, +void xfs_iflush_fork(struct xfs_inode *, struct xfs_dinode *, struct xfs_inode_log_item *, int); void xfs_idestroy_fork(struct xfs_inode *, int); void xfs_idata_realloc(struct xfs_inode *, int, int); diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 8b75dcea5966..828532ce0adc 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -1311,8 +1311,16 @@ xfs_free_file_space( /* * Now that we've unmap all full blocks we'll have to zero out any * partial block at the beginning and/or end. xfs_zero_range is - * smart enough to skip any holes, including those we just created. + * smart enough to skip any holes, including those we just created, + * but we must take care not to zero beyond EOF and enlarge i_size. */ + + if (offset >= XFS_ISIZE(ip)) + return 0; + + if (offset + len > XFS_ISIZE(ip)) + len = XFS_ISIZE(ip) - offset; + return xfs_zero_range(ip, offset, len, NULL); } diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index c7fe2c2123ab..7605d8396596 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -50,6 +50,7 @@ #include "xfs_log.h" #include "xfs_bmap_btree.h" #include "xfs_reflink.h" +#include "xfs_dir2_priv.h" kmem_zone_t *xfs_inode_zone; @@ -3475,7 +3476,6 @@ xfs_iflush_int( struct xfs_inode_log_item *iip = ip->i_itemp; struct xfs_dinode *dip; struct xfs_mount *mp = ip->i_mount; - int error; ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_ILOCK_SHARED)); ASSERT(xfs_isiflocked(ip)); @@ -3547,6 +3547,12 @@ xfs_iflush_int( if (ip->i_d.di_version < 3) ip->i_d.di_flushiter++; + /* Check the inline directory data. */ + if (S_ISDIR(VFS_I(ip)->i_mode) && + ip->i_d.di_format == XFS_DINODE_FMT_LOCAL && + xfs_dir2_sf_verify(ip)) + goto corrupt_out; + /* * Copy the dirty parts of the inode into the on-disk inode. We always * copy out the core of the inode, because if the inode is dirty at all @@ -3558,14 +3564,9 @@ xfs_iflush_int( if (ip->i_d.di_flushiter == DI_MAX_FLUSH) ip->i_d.di_flushiter = 0; - error = xfs_iflush_fork(ip, dip, iip, XFS_DATA_FORK); - if (error) - return error; - if (XFS_IFORK_Q(ip)) { - error = xfs_iflush_fork(ip, dip, iip, XFS_ATTR_FORK); - if (error) - return error; - } + xfs_iflush_fork(ip, dip, iip, XFS_DATA_FORK); + if (XFS_IFORK_Q(ip)) + xfs_iflush_fork(ip, dip, iip, XFS_ATTR_FORK); xfs_inobp_check(mp, bp); /* diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 229cc6a6d8ef..ebfc13350f9a 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -516,6 +516,20 @@ xfs_vn_getattr( stat->blocks = XFS_FSB_TO_BB(mp, ip->i_d.di_nblocks + ip->i_delayed_blks); + if (ip->i_d.di_version == 3) { + if (request_mask & STATX_BTIME) { + stat->result_mask |= STATX_BTIME; + stat->btime.tv_sec = ip->i_d.di_crtime.t_sec; + stat->btime.tv_nsec = ip->i_d.di_crtime.t_nsec; + } + } + + if (ip->i_d.di_flags & XFS_DIFLAG_IMMUTABLE) + stat->attributes |= STATX_ATTR_IMMUTABLE; + if (ip->i_d.di_flags & XFS_DIFLAG_APPEND) + stat->attributes |= STATX_ATTR_APPEND; + if (ip->i_d.di_flags & XFS_DIFLAG_NODUMP) + stat->attributes |= STATX_ATTR_NODUMP; switch (inode->i_mode & S_IFMT) { case S_IFBLK: diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index 2a6d9b1558e0..26d67ce3c18d 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -583,7 +583,7 @@ xfs_inumbers( return error; bcount = MIN(left, (int)(PAGE_SIZE / sizeof(*buffer))); - buffer = kmem_alloc(bcount * sizeof(*buffer), KM_SLEEP); + buffer = kmem_zalloc(bcount * sizeof(*buffer), KM_SLEEP); do { struct xfs_inobt_rec_incore r; int stat; diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 7cdfe167074f..143db9c523e2 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -261,9 +261,9 @@ */ #ifndef RO_AFTER_INIT_DATA #define RO_AFTER_INIT_DATA \ - __start_ro_after_init = .; \ + VMLINUX_SYMBOL(__start_ro_after_init) = .; \ *(.data..ro_after_init) \ - __end_ro_after_init = .; + VMLINUX_SYMBOL(__end_ro_after_init) = .; #endif /* diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index b72dd2ad5f44..c0b3d999c266 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -295,6 +295,7 @@ void kvm_vgic_vcpu_early_init(struct kvm_vcpu *vcpu); void kvm_vgic_vcpu_destroy(struct kvm_vcpu *vcpu); int kvm_vgic_map_resources(struct kvm *kvm); int kvm_vgic_hyp_init(void); +void kvm_vgic_init_cpu_hardware(void); int kvm_vgic_inject_irq(struct kvm *kvm, int cpuid, unsigned int intid, bool level); diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index b296a9006117..9382c5da7a2e 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -51,6 +51,7 @@ struct blk_mq_hw_ctx { atomic_t nr_active; + struct delayed_work delayed_run_work; struct delayed_work delay_work; struct hlist_node cpuhp_dead; @@ -238,6 +239,7 @@ void blk_mq_stop_hw_queues(struct request_queue *q); void blk_mq_start_hw_queues(struct request_queue *q); void blk_mq_start_stopped_hw_queue(struct blk_mq_hw_ctx *hctx, bool async); void blk_mq_start_stopped_hw_queues(struct request_queue *q, bool async); +void blk_mq_delay_run_hw_queue(struct blk_mq_hw_ctx *hctx, unsigned long msecs); void blk_mq_run_hw_queues(struct request_queue *q, bool async); void blk_mq_delay_queue(struct blk_mq_hw_ctx *hctx, unsigned long msecs); void blk_mq_tagset_busy_iter(struct blk_mq_tag_set *tagset, diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 5a7da607ca04..7548f332121a 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -610,7 +610,6 @@ struct request_queue { #define QUEUE_FLAG_FLUSH_NQ 25 /* flush not queueuable */ #define QUEUE_FLAG_DAX 26 /* device supports DAX */ #define QUEUE_FLAG_STATS 27 /* track rq completion times */ -#define QUEUE_FLAG_RESTART 28 /* queue needs restart at completion */ #define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \ (1 << QUEUE_FLAG_STACKABLE) | \ diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index f6b43fbb141c..af9c86e958bd 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -570,6 +570,25 @@ static inline void pr_cont_cgroup_path(struct cgroup *cgrp) pr_cont_kernfs_path(cgrp->kn); } +static inline void cgroup_init_kthreadd(void) +{ + /* + * kthreadd is inherited by all kthreads, keep it in the root so + * that the new kthreads are guaranteed to stay in the root until + * initialization is finished. + */ + current->no_cgroup_migration = 1; +} + +static inline void cgroup_kthread_ready(void) +{ + /* + * This kthread finished initialization. The creator should have + * set PF_NO_SETAFFINITY if this kthread should stay in the root. + */ + current->no_cgroup_migration = 0; +} + #else /* !CONFIG_CGROUPS */ struct cgroup_subsys_state; @@ -590,6 +609,8 @@ static inline void cgroup_free(struct task_struct *p) {} static inline int cgroup_init_early(void) { return 0; } static inline int cgroup_init(void) { return 0; } +static inline void cgroup_init_kthreadd(void) {} +static inline void cgroup_kthread_ready(void) {} static inline bool task_under_cgroup_hierarchy(struct task_struct *task, struct cgroup *ancestor) diff --git a/include/linux/elevator.h b/include/linux/elevator.h index aebecc4ed088..22d39e8d4de1 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -211,7 +211,7 @@ extern ssize_t elv_iosched_show(struct request_queue *, char *); extern ssize_t elv_iosched_store(struct request_queue *, const char *, size_t); extern int elevator_init(struct request_queue *, char *); -extern void elevator_exit(struct elevator_queue *); +extern void elevator_exit(struct request_queue *, struct elevator_queue *); extern int elevator_change(struct request_queue *, const char *); extern bool elv_bio_merge_ok(struct request *, struct bio *); extern struct elevator_queue *elevator_alloc(struct request_queue *, diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h index eafc965b3eb8..dc30f3d057eb 100644 --- a/include/linux/irqchip/arm-gic.h +++ b/include/linux/irqchip/arm-gic.h @@ -96,6 +96,9 @@ #define GICH_MISR_EOI (1 << 0) #define GICH_MISR_U (1 << 1) +#define GICV_PMR_PRIORITY_SHIFT 3 +#define GICV_PMR_PRIORITY_MASK (0x1f << GICV_PMR_PRIORITY_SHIFT) + #ifndef __ASSEMBLY__ #include <linux/irqdomain.h> diff --git a/include/linux/mlx5/fs.h b/include/linux/mlx5/fs.h index ae91a4bda1a3..1b166d2e19c5 100644 --- a/include/linux/mlx5/fs.h +++ b/include/linux/mlx5/fs.h @@ -104,12 +104,18 @@ mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns, u32 level, u32 flags); +struct mlx5_flow_table_attr { + int prio; + int max_fte; + u32 level; + u32 flags; + u32 underlay_qpn; +}; + struct mlx5_flow_table * mlx5_create_flow_table(struct mlx5_flow_namespace *ns, - int prio, - int num_flow_table_entries, - u32 level, - u32 flags); + struct mlx5_flow_table_attr *ft_attr); + struct mlx5_flow_table * mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns, int prio, diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 1993adbd2c82..7c50bd39b297 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -872,7 +872,8 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 compact_address_vector[0x1]; u8 striding_rq[0x1]; - u8 reserved_at_202[0x2]; + u8 reserved_at_202[0x1]; + u8 ipoib_enhanced_offloads[0x1]; u8 ipoib_basic_offloads[0x1]; u8 reserved_at_205[0xa]; u8 drain_sigerr[0x1]; @@ -2293,7 +2294,9 @@ struct mlx5_ifc_tisc_bits { u8 reserved_at_120[0x8]; u8 transport_domain[0x18]; - u8 reserved_at_140[0x3c0]; + u8 reserved_at_140[0x8]; + u8 underlay_qpn[0x18]; + u8 reserved_at_160[0x3a0]; }; enum { @@ -8218,7 +8221,9 @@ struct mlx5_ifc_set_flow_table_root_in_bits { u8 reserved_at_a0[0x8]; u8 table_id[0x18]; - u8 reserved_at_c0[0x140]; + u8 reserved_at_c0[0x8]; + u8 underlay_qpn[0x18]; + u8 reserved_at_e0[0x120]; }; enum { diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h index 3096370fe831..bef80d0a0e30 100644 --- a/include/linux/mlx5/qp.h +++ b/include/linux/mlx5/qp.h @@ -295,6 +295,16 @@ struct mlx5_av { u8 rgid[16]; }; +struct mlx5_ib_ah { + struct ib_ah ibah; + struct mlx5_av av; +}; + +static inline struct mlx5_ib_ah *to_mah(struct ib_ah *ibah) +{ + return container_of(ibah, struct mlx5_ib_ah, ibah); +} + struct mlx5_wqe_datagram_seg { struct mlx5_av av; }; diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h index 51891fb0d3ce..c91b3bcd158f 100644 --- a/include/linux/mmu_notifier.h +++ b/include/linux/mmu_notifier.h @@ -394,18 +394,6 @@ static inline void mmu_notifier_mm_destroy(struct mm_struct *mm) ___pud; \ }) -#define pmdp_huge_get_and_clear_notify(__mm, __haddr, __pmd) \ -({ \ - unsigned long ___haddr = __haddr & HPAGE_PMD_MASK; \ - pmd_t ___pmd; \ - \ - ___pmd = pmdp_huge_get_and_clear(__mm, __haddr, __pmd); \ - mmu_notifier_invalidate_range(__mm, ___haddr, \ - ___haddr + HPAGE_PMD_SIZE); \ - \ - ___pmd; \ -}) - /* * set_pte_at_notify() sets the pte _after_ running the notifier. * This is safe to start by updating the secondary MMUs, because the primary MMU @@ -489,7 +477,6 @@ static inline void mmu_notifier_mm_destroy(struct mm_struct *mm) #define ptep_clear_flush_notify ptep_clear_flush #define pmdp_huge_clear_flush_notify pmdp_huge_clear_flush #define pudp_huge_clear_flush_notify pudp_huge_clear_flush -#define pmdp_huge_get_and_clear_notify pmdp_huge_get_and_clear #define set_pte_at_notify set_pte_at #endif /* CONFIG_MMU_NOTIFIER */ diff --git a/include/linux/net.h b/include/linux/net.h index a42fab24c8af..abcfa46a2bd9 100644 --- a/include/linux/net.h +++ b/include/linux/net.h @@ -298,7 +298,7 @@ int kernel_sendpage(struct socket *sock, struct page *page, int offset, int kernel_sock_ioctl(struct socket *sock, int cmd, unsigned long arg); int kernel_sock_shutdown(struct socket *sock, enum sock_shutdown_cmd how); -/* Following routine returns the IP overhead imposed by a socket. */ +/* Routine returns the IP overhead imposed by a (caller-protected) socket. */ u32 kernel_sock_ip_overhead(struct sock *sk); #define MODULE_ALIAS_NETPROTO(proto) \ diff --git a/include/linux/netlink.h b/include/linux/netlink.h index da14ab61f363..8d2a8924705c 100644 --- a/include/linux/netlink.h +++ b/include/linux/netlink.h @@ -62,11 +62,42 @@ netlink_kernel_create(struct net *net, int unit, struct netlink_kernel_cfg *cfg) return __netlink_kernel_create(net, unit, THIS_MODULE, cfg); } +/* this can be increased when necessary - don't expose to userland */ +#define NETLINK_MAX_COOKIE_LEN 20 + +/** + * struct netlink_ext_ack - netlink extended ACK report struct + * @_msg: message string to report - don't access directly, use + * %NL_SET_ERR_MSG + * @bad_attr: attribute with error + * @cookie: cookie data to return to userspace (for success) + * @cookie_len: actual cookie data length + */ +struct netlink_ext_ack { + const char *_msg; + const struct nlattr *bad_attr; + u8 cookie[NETLINK_MAX_COOKIE_LEN]; + u8 cookie_len; +}; + +/* Always use this macro, this allows later putting the + * message into a separate section or such for things + * like translation or listing all possible messages. + * Currently string formatting is not supported (due + * to the lack of an output buffer.) + */ +#define NL_SET_ERR_MSG(extack, msg) do { \ + static const char _msg[] = (msg); \ + \ + (extack)->_msg = _msg; \ +} while (0) + extern void netlink_kernel_release(struct sock *sk); extern int __netlink_change_ngroups(struct sock *sk, unsigned int groups); extern int netlink_change_ngroups(struct sock *sk, unsigned int groups); extern void __netlink_clear_multicast_users(struct sock *sk, unsigned int group); -extern void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err); +extern void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err, + const struct netlink_ext_ack *extack); extern int netlink_has_listeners(struct sock *sk, unsigned int group); extern int netlink_unicast(struct sock *ssk, struct sk_buff *skb, __u32 portid, int nonblock); diff --git a/include/linux/nvme.h b/include/linux/nvme.h index c43d435d4225..9061780b141f 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -64,26 +64,26 @@ enum { * RDMA_QPTYPE field */ enum { - NVMF_RDMA_QPTYPE_CONNECTED = 0, /* Reliable Connected */ - NVMF_RDMA_QPTYPE_DATAGRAM = 1, /* Reliable Datagram */ + NVMF_RDMA_QPTYPE_CONNECTED = 1, /* Reliable Connected */ + NVMF_RDMA_QPTYPE_DATAGRAM = 2, /* Reliable Datagram */ }; /* RDMA QP Service Type codes for Discovery Log Page entry TSAS * RDMA_QPTYPE field */ enum { - NVMF_RDMA_PRTYPE_NOT_SPECIFIED = 0, /* No Provider Specified */ - NVMF_RDMA_PRTYPE_IB = 1, /* InfiniBand */ - NVMF_RDMA_PRTYPE_ROCE = 2, /* InfiniBand RoCE */ - NVMF_RDMA_PRTYPE_ROCEV2 = 3, /* InfiniBand RoCEV2 */ - NVMF_RDMA_PRTYPE_IWARP = 4, /* IWARP */ + NVMF_RDMA_PRTYPE_NOT_SPECIFIED = 1, /* No Provider Specified */ + NVMF_RDMA_PRTYPE_IB = 2, /* InfiniBand */ + NVMF_RDMA_PRTYPE_ROCE = 3, /* InfiniBand RoCE */ + NVMF_RDMA_PRTYPE_ROCEV2 = 4, /* InfiniBand RoCEV2 */ + NVMF_RDMA_PRTYPE_IWARP = 5, /* IWARP */ }; /* RDMA Connection Management Service Type codes for Discovery Log Page * entry TSAS RDMA_CMS field */ enum { - NVMF_RDMA_CMS_RDMA_CM = 0, /* Sockets based enpoint addressing */ + NVMF_RDMA_CMS_RDMA_CM = 1, /* Sockets based endpoint addressing */ }; #define NVMF_AQ_DEPTH 32 diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h index 8ce2d87a238b..5e45385c5bdc 100644 --- a/include/linux/pinctrl/pinctrl.h +++ b/include/linux/pinctrl/pinctrl.h @@ -145,8 +145,9 @@ struct pinctrl_desc { extern int pinctrl_register_and_init(struct pinctrl_desc *pctldesc, struct device *dev, void *driver_data, struct pinctrl_dev **pctldev); +extern int pinctrl_enable(struct pinctrl_dev *pctldev); -/* Please use pinctrl_register_and_init() instead */ +/* Please use pinctrl_register_and_init() and pinctrl_enable() instead */ extern struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc, struct device *dev, void *driver_data); diff --git a/include/linux/qed/qed_eth_if.h b/include/linux/qed/qed_eth_if.h index 4cd1f0ccfa36..1eba803cb7f1 100644 --- a/include/linux/qed/qed_eth_if.h +++ b/include/linux/qed/qed_eth_if.h @@ -301,6 +301,14 @@ struct qed_eth_ops { int (*tunn_config)(struct qed_dev *cdev, struct qed_tunn_params *params); + + int (*ntuple_filter_config)(struct qed_dev *cdev, void *cookie, + dma_addr_t mapping, u16 length, + u16 vport_id, u16 rx_queue_id, + bool add_filter); + + int (*configure_arfs_searcher)(struct qed_dev *cdev, + bool en_searcher); }; const struct qed_eth_ops *qed_get_eth_ops(void); diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h index 625f80f08f91..d44933a058ee 100644 --- a/include/linux/qed/qed_if.h +++ b/include/linux/qed/qed_if.h @@ -178,6 +178,12 @@ struct qed_eth_pf_params { * to update_pf_params routine invoked before slowpath start */ u16 num_cons; + + /* To enable arfs, previous to HW-init a positive number needs to be + * set [as filters require allocated searcher ILT memory]. + * This will set the maximal number of configured steering-filters. + */ + u32 num_arfs_filters; }; struct qed_fcoe_pf_params { @@ -427,6 +433,7 @@ struct qed_int_info { }; struct qed_common_cb_ops { + void (*arfs_filter_op)(void *dev, void *fltr, u8 fw_rc); void (*link_update)(void *dev, struct qed_link_output *link); void (*dcbx_aen)(void *dev, struct qed_dcbx_get *get, u32 mib_type); diff --git a/include/linux/sched.h b/include/linux/sched.h index d67eee84fd43..4cf9a59a4d08 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -604,6 +604,10 @@ struct task_struct { #ifdef CONFIG_COMPAT_BRK unsigned brk_randomized:1; #endif +#ifdef CONFIG_CGROUPS + /* disallow userland-initiated cgroup migration */ + unsigned no_cgroup_migration:1; +#endif unsigned long atomic_flags; /* Flags requiring atomic access. */ diff --git a/include/linux/stat.h b/include/linux/stat.h index c76e524fb34b..64b6b3aece21 100644 --- a/include/linux/stat.h +++ b/include/linux/stat.h @@ -26,6 +26,7 @@ struct kstat { unsigned int nlink; uint32_t blksize; /* Preferred I/O size */ u64 attributes; + u64 attributes_mask; #define KSTAT_ATTR_FS_IOC_FLAGS \ (STATX_ATTR_COMPRESSED | \ STATX_ATTR_IMMUTABLE | \ diff --git a/include/linux/uio.h b/include/linux/uio.h index 804e34c6f981..f2d36a3d3005 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -39,7 +39,10 @@ struct iov_iter { }; union { unsigned long nr_segs; - int idx; + struct { + int idx; + int start_idx; + }; }; }; @@ -81,6 +84,7 @@ unsigned long iov_shorten(struct iovec *iov, unsigned long nr_segs, size_t to); size_t iov_iter_copy_from_user_atomic(struct page *page, struct iov_iter *i, unsigned long offset, size_t bytes); void iov_iter_advance(struct iov_iter *i, size_t bytes); +void iov_iter_revert(struct iov_iter *i, size_t bytes); int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes); size_t iov_iter_single_seg_count(const struct iov_iter *i); size_t copy_page_to_iter(struct page *page, size_t offset, size_t bytes, diff --git a/include/linux/virtio.h b/include/linux/virtio.h index 04b0d3f95043..7edfbdb55a99 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -167,6 +167,7 @@ struct virtio_driver { unsigned int feature_table_size; const unsigned int *feature_table_legacy; unsigned int feature_table_size_legacy; + int (*validate)(struct virtio_device *dev); int (*probe)(struct virtio_device *dev); void (*scan)(struct virtio_device *dev); void (*remove)(struct virtio_device *dev); diff --git a/include/net/dsa.h b/include/net/dsa.h index 9b1c1eb4147a..04c3fe93f803 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -302,7 +302,7 @@ struct dsa_notifier_bridge_info { struct dsa_switch_ops { /* - * Probing and setup. + * Legacy probing. */ const char *(*probe)(struct device *dsa_dev, struct device *host_dev, int sw_addr, @@ -472,9 +472,11 @@ struct dsa_switch_driver { const struct dsa_switch_ops *ops; }; +/* Legacy driver registration */ void register_switch_driver(struct dsa_switch_driver *type); void unregister_switch_driver(struct dsa_switch_driver *type); struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev); + struct net_device *dsa_dev_to_net_device(struct device *dev); static inline bool dsa_uses_tagged_protocol(struct dsa_switch_tree *dst) diff --git a/include/net/genetlink.h b/include/net/genetlink.h index a34275be3600..68b88192b00c 100644 --- a/include/net/genetlink.h +++ b/include/net/genetlink.h @@ -84,6 +84,7 @@ struct nlattr **genl_family_attrbuf(const struct genl_family *family); * @attrs: netlink attributes * @_net: network namespace * @user_ptr: user pointers + * @extack: extended ACK report struct */ struct genl_info { u32 snd_seq; @@ -94,6 +95,7 @@ struct genl_info { struct nlattr ** attrs; possible_net_t _net; void * user_ptr[2]; + struct netlink_ext_ack *extack; }; static inline struct net *genl_info_net(struct genl_info *info) @@ -106,6 +108,16 @@ static inline void genl_info_net_set(struct genl_info *info, struct net *net) write_pnet(&info->_net, net); } +#define GENL_SET_ERR_MSG(info, msg) NL_SET_ERR_MSG((info)->extack, msg) + +static inline int genl_err_attr(struct genl_info *info, int err, + struct nlattr *attr) +{ + info->extack->bad_attr = attr; + + return err; +} + /** * struct genl_ops - generic netlink operations * @cmd: command identifier @@ -162,14 +174,16 @@ genlmsg_nlhdr(void *user_hdr, const struct genl_family *family) * @tb: destination array with maxtype+1 elements * @maxtype: maximum attribute type to be expected * @policy: validation policy - * */ + * @extack: extended ACK report struct + */ static inline int genlmsg_parse(const struct nlmsghdr *nlh, const struct genl_family *family, struct nlattr *tb[], int maxtype, - const struct nla_policy *policy) + const struct nla_policy *policy, + struct netlink_ext_ack *extack) { return nlmsg_parse(nlh, family->hdrsize + GENL_HDRLEN, tb, maxtype, - policy); + policy, extack); } /** diff --git a/include/net/ip.h b/include/net/ip.h index bf264a8db1ce..821cedcc8e73 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -33,6 +33,8 @@ #include <net/flow.h> #include <net/flow_dissector.h> +#define IPV4_MAX_PMTU 65535U /* RFC 2675, Section 5.1 */ + struct sock; struct inet_skb_parm { diff --git a/include/net/netlink.h b/include/net/netlink.h index b239fcd33d80..01709172b3d3 100644 --- a/include/net/netlink.h +++ b/include/net/netlink.h @@ -233,14 +233,17 @@ struct nl_info { }; int netlink_rcv_skb(struct sk_buff *skb, - int (*cb)(struct sk_buff *, struct nlmsghdr *)); + int (*cb)(struct sk_buff *, struct nlmsghdr *, + struct netlink_ext_ack *)); int nlmsg_notify(struct sock *sk, struct sk_buff *skb, u32 portid, unsigned int group, int report, gfp_t flags); int nla_validate(const struct nlattr *head, int len, int maxtype, - const struct nla_policy *policy); + const struct nla_policy *policy, + struct netlink_ext_ack *extack); int nla_parse(struct nlattr **tb, int maxtype, const struct nlattr *head, - int len, const struct nla_policy *policy); + int len, const struct nla_policy *policy, + struct netlink_ext_ack *extack); int nla_policy_len(const struct nla_policy *, int); struct nlattr *nla_find(const struct nlattr *head, int len, int attrtype); size_t nla_strlcpy(char *dst, const struct nlattr *nla, size_t dstsize); @@ -374,18 +377,20 @@ nlmsg_next(const struct nlmsghdr *nlh, int *remaining) * @tb: destination array with maxtype+1 elements * @maxtype: maximum attribute type to be expected * @policy: validation policy + * @extack: extended ACK report struct * * See nla_parse() */ static inline int nlmsg_parse(const struct nlmsghdr *nlh, int hdrlen, struct nlattr *tb[], int maxtype, - const struct nla_policy *policy) + const struct nla_policy *policy, + struct netlink_ext_ack *extack) { if (nlh->nlmsg_len < nlmsg_msg_size(hdrlen)) return -EINVAL; return nla_parse(tb, maxtype, nlmsg_attrdata(nlh, hdrlen), - nlmsg_attrlen(nlh, hdrlen), policy); + nlmsg_attrlen(nlh, hdrlen), policy, extack); } /** @@ -409,16 +414,19 @@ static inline struct nlattr *nlmsg_find_attr(const struct nlmsghdr *nlh, * @hdrlen: length of familiy specific header * @maxtype: maximum attribute type to be expected * @policy: validation policy + * @extack: extended ACK report struct */ static inline int nlmsg_validate(const struct nlmsghdr *nlh, int hdrlen, int maxtype, - const struct nla_policy *policy) + const struct nla_policy *policy, + struct netlink_ext_ack *extack) { if (nlh->nlmsg_len < nlmsg_msg_size(hdrlen)) return -EINVAL; return nla_validate(nlmsg_attrdata(nlh, hdrlen), - nlmsg_attrlen(nlh, hdrlen), maxtype, policy); + nlmsg_attrlen(nlh, hdrlen), maxtype, policy, + extack); } /** @@ -739,14 +747,17 @@ nla_find_nested(const struct nlattr *nla, int attrtype) * @maxtype: maximum attribute type to be expected * @nla: attribute containing the nested attributes * @policy: validation policy + * @extack: extended ACK report struct * * See nla_parse() */ static inline int nla_parse_nested(struct nlattr *tb[], int maxtype, const struct nlattr *nla, - const struct nla_policy *policy) + const struct nla_policy *policy, + struct netlink_ext_ack *extack) { - return nla_parse(tb, maxtype, nla_data(nla), nla_len(nla), policy); + return nla_parse(tb, maxtype, nla_data(nla), nla_len(nla), policy, + extack); } /** @@ -1252,6 +1263,7 @@ static inline void nla_nest_cancel(struct sk_buff *skb, struct nlattr *start) * @start: container attribute * @maxtype: maximum attribute type to be expected * @policy: validation policy + * @extack: extended ACK report struct * * Validates all attributes in the nested attribute stream against the * specified policy. Attributes with a type exceeding maxtype will be @@ -1260,9 +1272,11 @@ static inline void nla_nest_cancel(struct sk_buff *skb, struct nlattr *start) * Returns 0 on success or a negative error code. */ static inline int nla_validate_nested(const struct nlattr *start, int maxtype, - const struct nla_policy *policy) + const struct nla_policy *policy, + struct netlink_ext_ack *extack) { - return nla_validate(nla_data(start), nla_len(start), maxtype, policy); + return nla_validate(nla_data(start), nla_len(start), maxtype, policy, + extack); } /** diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h index 106de5f7bf06..c07b941fce89 100644 --- a/include/net/rtnetlink.h +++ b/include/net/rtnetlink.h @@ -158,7 +158,8 @@ struct net_device *rtnl_create_link(struct net *net, const char *ifname, int rtnl_delete_link(struct net_device *dev); int rtnl_configure_link(struct net_device *dev, const struct ifinfomsg *ifm); -int rtnl_nla_parse_ifla(struct nlattr **tb, const struct nlattr *head, int len); +int rtnl_nla_parse_ifla(struct nlattr **tb, const struct nlattr *head, int len, + struct netlink_ext_ack *exterr); #define MODULE_ALIAS_RTNL_LINK(kind) MODULE_ALIAS("rtnl-link-" kind) diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 4b784b6e21c0..ccfad0e9c2cd 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -117,6 +117,7 @@ enum transport_state_table { TRANSPORT_ISTATE_PROCESSING = 11, TRANSPORT_COMPLETE_QF_WP = 18, TRANSPORT_COMPLETE_QF_OK = 19, + TRANSPORT_COMPLETE_QF_ERR = 20, }; /* Used for struct se_cmd->se_cmd_flags */ @@ -279,8 +280,6 @@ struct t10_alua_tg_pt_gp { u16 tg_pt_gp_id; int tg_pt_gp_valid_id; int tg_pt_gp_alua_supported_states; - int tg_pt_gp_alua_pending_state; - int tg_pt_gp_alua_previous_state; int tg_pt_gp_alua_access_status; int tg_pt_gp_alua_access_type; int tg_pt_gp_nonop_delay_msecs; @@ -289,18 +288,16 @@ struct t10_alua_tg_pt_gp { int tg_pt_gp_pref; int tg_pt_gp_write_metadata; u32 tg_pt_gp_members; - atomic_t tg_pt_gp_alua_access_state; + int tg_pt_gp_alua_access_state; atomic_t tg_pt_gp_ref_cnt; spinlock_t tg_pt_gp_lock; - struct mutex tg_pt_gp_md_mutex; + struct mutex tg_pt_gp_transition_mutex; struct se_device *tg_pt_gp_dev; struct config_group tg_pt_gp_group; struct list_head tg_pt_gp_list; struct list_head tg_pt_gp_lun_list; struct se_lun *tg_pt_gp_alua_lun; struct se_node_acl *tg_pt_gp_alua_nacl; - struct work_struct tg_pt_gp_transition_work; - struct completion *tg_pt_gp_transition_complete; }; struct t10_vpd { @@ -705,6 +702,7 @@ struct se_lun { u64 unpacked_lun; #define SE_LUN_LINK_MAGIC 0xffff7771 u32 lun_link_magic; + bool lun_shutdown; bool lun_access_ro; u32 lun_index; diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild index dd9820b1c779..f8d9fed17ba9 100644 --- a/include/uapi/linux/Kbuild +++ b/include/uapi/linux/Kbuild @@ -445,6 +445,7 @@ header-y += unistd.h header-y += unix_diag.h header-y += usbdevice_fs.h header-y += usbip.h +header-y += userio.h header-y += utime.h header-y += utsname.h header-y += uuid.h diff --git a/include/uapi/linux/netlink.h b/include/uapi/linux/netlink.h index b2c9c26ea30f..f86127a46cfc 100644 --- a/include/uapi/linux/netlink.h +++ b/include/uapi/linux/netlink.h @@ -69,6 +69,10 @@ struct nlmsghdr { #define NLM_F_CREATE 0x400 /* Create, if it does not exist */ #define NLM_F_APPEND 0x800 /* Add to end of list */ +/* Flags for ACK message */ +#define NLM_F_CAPPED 0x100 /* request was capped */ +#define NLM_F_ACK_TLVS 0x200 /* extended ACK TVLs were included */ + /* 4.4BSD ADD NLM_F_CREATE|NLM_F_EXCL 4.4BSD CHANGE NLM_F_REPLACE @@ -101,6 +105,37 @@ struct nlmsghdr { struct nlmsgerr { int error; struct nlmsghdr msg; + /* + * followed by the message contents unless NETLINK_CAP_ACK was set + * or the ACK indicates success (error == 0) + * message length is aligned with NLMSG_ALIGN() + */ + /* + * followed by TLVs defined in enum nlmsgerr_attrs + * if NETLINK_EXT_ACK was set + */ +}; + +/** + * enum nlmsgerr_attrs - nlmsgerr attributes + * @NLMSGERR_ATTR_UNUSED: unused + * @NLMSGERR_ATTR_MSG: error message string (string) + * @NLMSGERR_ATTR_OFFS: offset of the invalid attribute in the original + * message, counting from the beginning of the header (u32) + * @NLMSGERR_ATTR_COOKIE: arbitrary subsystem specific cookie to + * be used - in the success case - to identify a created + * object or operation or similar (binary) + * @__NLMSGERR_ATTR_MAX: number of attributes + * @NLMSGERR_ATTR_MAX: highest attribute number + */ +enum nlmsgerr_attrs { + NLMSGERR_ATTR_UNUSED, + NLMSGERR_ATTR_MSG, + NLMSGERR_ATTR_OFFS, + NLMSGERR_ATTR_COOKIE, + + __NLMSGERR_ATTR_MAX, + NLMSGERR_ATTR_MAX = __NLMSGERR_ATTR_MAX - 1 }; #define NETLINK_ADD_MEMBERSHIP 1 @@ -115,6 +150,7 @@ struct nlmsgerr { #define NETLINK_LISTEN_ALL_NSID 8 #define NETLINK_LIST_MEMBERSHIPS 9 #define NETLINK_CAP_ACK 10 +#define NETLINK_EXT_ACK 11 struct nl_pktinfo { __u32 group; diff --git a/include/uapi/linux/stat.h b/include/uapi/linux/stat.h index 51a6b86e3700..d538897b8e08 100644 --- a/include/uapi/linux/stat.h +++ b/include/uapi/linux/stat.h @@ -114,7 +114,7 @@ struct statx { __u64 stx_ino; /* Inode number */ __u64 stx_size; /* File size */ __u64 stx_blocks; /* Number of 512-byte blocks allocated */ - __u64 __spare1[1]; + __u64 stx_attributes_mask; /* Mask to show what's supported in stx_attributes */ /* 0x40 */ struct statx_timestamp stx_atime; /* Last access time */ struct statx_timestamp stx_btime; /* File creation time */ @@ -152,9 +152,10 @@ struct statx { #define STATX_BASIC_STATS 0x000007ffU /* The stuff in the normal stat struct */ #define STATX_BTIME 0x00000800U /* Want/got stx_btime */ #define STATX_ALL 0x00000fffU /* All currently supported flags */ +#define STATX__RESERVED 0x80000000U /* Reserved for future struct statx expansion */ /* - * Attributes to be found in stx_attributes + * Attributes to be found in stx_attributes and masked in stx_attributes_mask. * * These give information about the features or the state of a file that might * be of use to ordinary userspace programs such as GUIs or ls rather than diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h index 15b4385a2be1..90007a1abcab 100644 --- a/include/uapi/linux/virtio_pci.h +++ b/include/uapi/linux/virtio_pci.h @@ -79,7 +79,7 @@ * configuration space */ #define VIRTIO_PCI_CONFIG_OFF(msix_enabled) ((msix_enabled) ? 24 : 20) /* Deprecated: please use VIRTIO_PCI_CONFIG_OFF instead */ -#define VIRTIO_PCI_CONFIG(dev) VIRTIO_PCI_CONFIG_OFF((dev)->pci_dev->msix_enabled) +#define VIRTIO_PCI_CONFIG(dev) VIRTIO_PCI_CONFIG_OFF((dev)->msix_enabled) /* Virtio ABI version, this must match exactly */ #define VIRTIO_PCI_ABI_VERSION 0 diff --git a/kernel/audit.c b/kernel/audit.c index 2f4964cfde0b..dc202d582aa1 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -160,7 +160,6 @@ static LIST_HEAD(audit_freelist); /* queue msgs to send via kauditd_task */ static struct sk_buff_head audit_queue; -static void kauditd_hold_skb(struct sk_buff *skb); /* queue msgs due to temporary unicast send problems */ static struct sk_buff_head audit_retry_queue; /* queue msgs waiting for new auditd connection */ @@ -454,30 +453,6 @@ static void auditd_set(int pid, u32 portid, struct net *net) } /** - * auditd_reset - Disconnect the auditd connection - * - * Description: - * Break the auditd/kauditd connection and move all the queued records into the - * hold queue in case auditd reconnects. - */ -static void auditd_reset(void) -{ - struct sk_buff *skb; - - /* if it isn't already broken, break the connection */ - rcu_read_lock(); - if (auditd_conn.pid) - auditd_set(0, 0, NULL); - rcu_read_unlock(); - - /* flush all of the main and retry queues to the hold queue */ - while ((skb = skb_dequeue(&audit_retry_queue))) - kauditd_hold_skb(skb); - while ((skb = skb_dequeue(&audit_queue))) - kauditd_hold_skb(skb); -} - -/** * kauditd_print_skb - Print the audit record to the ring buffer * @skb: audit record * @@ -505,9 +480,6 @@ static void kauditd_rehold_skb(struct sk_buff *skb) { /* put the record back in the queue at the same place */ skb_queue_head(&audit_hold_queue, skb); - - /* fail the auditd connection */ - auditd_reset(); } /** @@ -544,9 +516,6 @@ static void kauditd_hold_skb(struct sk_buff *skb) /* we have no other options - drop the message */ audit_log_lost("kauditd hold queue overflow"); kfree_skb(skb); - - /* fail the auditd connection */ - auditd_reset(); } /** @@ -567,6 +536,30 @@ static void kauditd_retry_skb(struct sk_buff *skb) } /** + * auditd_reset - Disconnect the auditd connection + * + * Description: + * Break the auditd/kauditd connection and move all the queued records into the + * hold queue in case auditd reconnects. + */ +static void auditd_reset(void) +{ + struct sk_buff *skb; + + /* if it isn't already broken, break the connection */ + rcu_read_lock(); + if (auditd_conn.pid) + auditd_set(0, 0, NULL); + rcu_read_unlock(); + + /* flush all of the main and retry queues to the hold queue */ + while ((skb = skb_dequeue(&audit_retry_queue))) + kauditd_hold_skb(skb); + while ((skb = skb_dequeue(&audit_queue))) + kauditd_hold_skb(skb); +} + +/** * auditd_send_unicast_skb - Send a record via unicast to auditd * @skb: audit record * @@ -758,6 +751,7 @@ static int kauditd_thread(void *dummy) NULL, kauditd_rehold_skb); if (rc < 0) { sk = NULL; + auditd_reset(); goto main_queue; } @@ -767,6 +761,7 @@ static int kauditd_thread(void *dummy) NULL, kauditd_hold_skb); if (rc < 0) { sk = NULL; + auditd_reset(); goto main_queue; } @@ -775,16 +770,18 @@ main_queue: * unicast, dump failed record sends to the retry queue; if * sk == NULL due to previous failures we will just do the * multicast send and move the record to the retry queue */ - kauditd_send_queue(sk, portid, &audit_queue, 1, - kauditd_send_multicast_skb, - kauditd_retry_skb); + rc = kauditd_send_queue(sk, portid, &audit_queue, 1, + kauditd_send_multicast_skb, + kauditd_retry_skb); + if (sk == NULL || rc < 0) + auditd_reset(); + sk = NULL; /* drop our netns reference, no auditd sends past this line */ if (net) { put_net(net); net = NULL; } - sk = NULL; /* we have processed all the queues so wake everyone */ wake_up(&audit_backlog_wait); @@ -1402,7 +1399,7 @@ static void audit_receive_skb(struct sk_buff *skb) err = audit_receive_msg(skb, nlh); /* if err or if this message says it wants a response */ if (err || (nlh->nlmsg_flags & NLM_F_ACK)) - netlink_ack(skb, nlh, err); + netlink_ack(skb, nlh, err, NULL); nlh = nlmsg_next(nlh, &len); } diff --git a/kernel/audit.h b/kernel/audit.h index 0f1cf6d1878a..0d87f8ab8778 100644 --- a/kernel/audit.h +++ b/kernel/audit.h @@ -333,13 +333,7 @@ extern u32 audit_sig_sid; extern int audit_filter(int msgtype, unsigned int listtype); #ifdef CONFIG_AUDITSYSCALL -extern int __audit_signal_info(int sig, struct task_struct *t); -static inline int audit_signal_info(int sig, struct task_struct *t) -{ - if (auditd_test_task(t) || (audit_signals && !audit_dummy_context())) - return __audit_signal_info(sig, t); - return 0; -} +extern int audit_signal_info(int sig, struct task_struct *t); extern void audit_filter_inodes(struct task_struct *, struct audit_context *); extern struct list_head *audit_killed_trees(void); #else diff --git a/kernel/auditsc.c b/kernel/auditsc.c index e59ffc7fc522..1c2333155893 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -2249,26 +2249,27 @@ void __audit_ptrace(struct task_struct *t) * If the audit subsystem is being terminated, record the task (pid) * and uid that is doing that. */ -int __audit_signal_info(int sig, struct task_struct *t) +int audit_signal_info(int sig, struct task_struct *t) { struct audit_aux_data_pids *axp; struct task_struct *tsk = current; struct audit_context *ctx = tsk->audit_context; kuid_t uid = current_uid(), t_uid = task_uid(t); - if (auditd_test_task(t)) { - if (sig == SIGTERM || sig == SIGHUP || sig == SIGUSR1 || sig == SIGUSR2) { - audit_sig_pid = task_tgid_nr(tsk); - if (uid_valid(tsk->loginuid)) - audit_sig_uid = tsk->loginuid; - else - audit_sig_uid = uid; - security_task_getsecid(tsk, &audit_sig_sid); - } - if (!audit_signals || audit_dummy_context()) - return 0; + if (auditd_test_task(t) && + (sig == SIGTERM || sig == SIGHUP || + sig == SIGUSR1 || sig == SIGUSR2)) { + audit_sig_pid = task_tgid_nr(tsk); + if (uid_valid(tsk->loginuid)) + audit_sig_uid = tsk->loginuid; + else + audit_sig_uid = uid; + security_task_getsecid(tsk, &audit_sig_sid); } + if (!audit_signals || audit_dummy_context()) + return 0; + /* optimize the common case by putting first signal recipient directly * in audit_context */ if (!ctx->target_pid) { diff --git a/kernel/bpf/bpf_lru_list.c b/kernel/bpf/bpf_lru_list.c index f62d1d56f41d..e6ef4401a138 100644 --- a/kernel/bpf/bpf_lru_list.c +++ b/kernel/bpf/bpf_lru_list.c @@ -13,7 +13,7 @@ #define LOCAL_FREE_TARGET (128) #define LOCAL_NR_SCANS LOCAL_FREE_TARGET -#define PERCPU_FREE_TARGET (16) +#define PERCPU_FREE_TARGET (4) #define PERCPU_NR_SCANS PERCPU_FREE_TARGET /* Helpers to get the local list index */ diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index f45827e205d3..b4f1cb0c5ac7 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -1162,12 +1162,12 @@ out: LD_ABS_W: /* BPF_R0 = ntohl(*(u32 *) (skb->data + imm32)) */ off = IMM; load_word: - /* BPF_LD + BPD_ABS and BPF_LD + BPF_IND insns are - * only appearing in the programs where ctx == - * skb. All programs keep 'ctx' in regs[BPF_REG_CTX] - * == BPF_R6, bpf_convert_filter() saves it in BPF_R6, - * internal BPF verifier will check that BPF_R6 == - * ctx. + /* BPF_LD + BPD_ABS and BPF_LD + BPF_IND insns are only + * appearing in the programs where ctx == skb + * (see may_access_skb() in the verifier). All programs + * keep 'ctx' in regs[BPF_REG_CTX] == BPF_R6, + * bpf_convert_filter() saves it in BPF_R6, internal BPF + * verifier will check that BPF_R6 == ctx. * * BPF_ABS and BPF_IND are wrappers of function calls, * so they scratch BPF_R1-BPF_R5 registers, preserve diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c index 1dc22f6b49f5..12e19f0636ea 100644 --- a/kernel/cgroup/cgroup-v1.c +++ b/kernel/cgroup/cgroup-v1.c @@ -1146,7 +1146,7 @@ struct dentry *cgroup1_mount(struct file_system_type *fs_type, int flags, * path is super cold. Let's just sleep a bit and retry. */ pinned_sb = kernfs_pin_sb(root->kf_root, NULL); - if (IS_ERR(pinned_sb) || + if (IS_ERR_OR_NULL(pinned_sb) || !percpu_ref_tryget_live(&root->cgrp.self.refcnt)) { mutex_unlock(&cgroup_mutex); if (!IS_ERR_OR_NULL(pinned_sb)) diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 48851327a15e..687f5e0194ef 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -2425,11 +2425,12 @@ ssize_t __cgroup_procs_write(struct kernfs_open_file *of, char *buf, tsk = tsk->group_leader; /* - * Workqueue threads may acquire PF_NO_SETAFFINITY and become - * trapped in a cpuset, or RT worker may be born in a cgroup - * with no rt_runtime allocated. Just say no. + * kthreads may acquire PF_NO_SETAFFINITY during initialization. + * If userland migrates such a kthread to a non-root cgroup, it can + * become trapped in a cpuset, or RT kthread may be born in a + * cgroup with no rt_runtime allocated. Just say no. */ - if (tsk == kthreadd_task || (tsk->flags & PF_NO_SETAFFINITY)) { + if (tsk->no_cgroup_migration || (tsk->flags & PF_NO_SETAFFINITY)) { ret = -EINVAL; goto out_unlock_rcu; } diff --git a/kernel/irq/affinity.c b/kernel/irq/affinity.c index 4544b115f5eb..d052947fe785 100644 --- a/kernel/irq/affinity.c +++ b/kernel/irq/affinity.c @@ -59,7 +59,7 @@ static int get_nodes_in_cpumask(const struct cpumask *mask, nodemask_t *nodemsk) struct cpumask * irq_create_affinity_masks(int nvecs, const struct irq_affinity *affd) { - int n, nodes, vecs_per_node, cpus_per_vec, extra_vecs, curvec; + int n, nodes, cpus_per_vec, extra_vecs, curvec; int affv = nvecs - affd->pre_vectors - affd->post_vectors; int last_affv = affv + affd->pre_vectors; nodemask_t nodemsk = NODE_MASK_NONE; @@ -94,19 +94,21 @@ irq_create_affinity_masks(int nvecs, const struct irq_affinity *affd) goto done; } - /* Spread the vectors per node */ - vecs_per_node = affv / nodes; - /* Account for rounding errors */ - extra_vecs = affv - (nodes * vecs_per_node); - for_each_node_mask(n, nodemsk) { - int ncpus, v, vecs_to_assign = vecs_per_node; + int ncpus, v, vecs_to_assign, vecs_per_node; + + /* Spread the vectors per node */ + vecs_per_node = (affv - curvec) / nodes; /* Get the cpus on this node which are in the mask */ cpumask_and(nmsk, cpu_online_mask, cpumask_of_node(n)); /* Calculate the number of cpus per vector */ ncpus = cpumask_weight(nmsk); + vecs_to_assign = min(vecs_per_node, ncpus); + + /* Account for rounding errors */ + extra_vecs = ncpus - vecs_to_assign * (ncpus / vecs_to_assign); for (v = 0; curvec < last_affv && v < vecs_to_assign; curvec++, v++) { @@ -115,14 +117,14 @@ irq_create_affinity_masks(int nvecs, const struct irq_affinity *affd) /* Account for extra vectors to compensate rounding errors */ if (extra_vecs) { cpus_per_vec++; - if (!--extra_vecs) - vecs_per_node++; + --extra_vecs; } irq_spread_init_one(masks + curvec, nmsk, cpus_per_vec); } if (curvec >= last_affv) break; + --nodes; } done: diff --git a/kernel/kthread.c b/kernel/kthread.c index 2f26adea0f84..26db528c1d88 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -20,6 +20,7 @@ #include <linux/freezer.h> #include <linux/ptrace.h> #include <linux/uaccess.h> +#include <linux/cgroup.h> #include <trace/events/sched.h> static DEFINE_SPINLOCK(kthread_create_lock); @@ -225,6 +226,7 @@ static int kthread(void *_create) ret = -EINTR; if (!test_bit(KTHREAD_SHOULD_STOP, &self->flags)) { + cgroup_kthread_ready(); __kthread_parkme(self); ret = threadfn(data); } @@ -538,6 +540,7 @@ int kthreadd(void *unused) set_mems_allowed(node_states[N_MEMORY]); current->flags |= PF_NOFREEZE; + cgroup_init_kthreadd(); for (;;) { set_current_state(TASK_INTERRUPTIBLE); diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 0af928712174..266ddcc1d8bb 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -184,11 +184,17 @@ static void ptrace_unfreeze_traced(struct task_struct *task) WARN_ON(!task->ptrace || task->parent != current); + /* + * PTRACE_LISTEN can allow ptrace_trap_notify to wake us up remotely. + * Recheck state under the lock to close this race. + */ spin_lock_irq(&task->sighand->siglock); - if (__fatal_signal_pending(task)) - wake_up_state(task, __TASK_TRACED); - else - task->state = TASK_TRACED; + if (task->state == __TASK_TRACED) { + if (__fatal_signal_pending(task)) + wake_up_state(task, __TASK_TRACED); + else + task->state = TASK_TRACED; + } spin_unlock_irq(&task->sighand->siglock); } diff --git a/kernel/sysctl.c b/kernel/sysctl.c index acf0a5a06da7..8c8714fcb53c 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -2133,9 +2133,12 @@ static int do_proc_douintvec_conv(bool *negp, unsigned long *lvalp, if (write) { if (*negp) return -EINVAL; + if (*lvalp > UINT_MAX) + return -EINVAL; *valp = *lvalp; } else { unsigned int val = *valp; + *negp = false; *lvalp = (unsigned long)val; } return 0; diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 96fc3c043ad6..54e7a90db848 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -4826,9 +4826,9 @@ static __init int test_ringbuffer(void) rb_data[cpu].cnt = cpu; rb_threads[cpu] = kthread_create(rb_test, &rb_data[cpu], "rbtester/%d", cpu); - if (WARN_ON(!rb_threads[cpu])) { + if (WARN_ON(IS_ERR(rb_threads[cpu]))) { pr_cont("FAILED\n"); - ret = -1; + ret = PTR_ERR(rb_threads[cpu]); goto out_free; } @@ -4838,9 +4838,9 @@ static __init int test_ringbuffer(void) /* Now create the rb hammer! */ rb_hammer = kthread_run(rb_hammer_test, NULL, "rbhammer"); - if (WARN_ON(!rb_hammer)) { + if (WARN_ON(IS_ERR(rb_hammer))) { pr_cont("FAILED\n"); - ret = -1; + ret = PTR_ERR(rb_hammer); goto out_free; } diff --git a/lib/iov_iter.c b/lib/iov_iter.c index e68604ae3ced..60abc44385b7 100644 --- a/lib/iov_iter.c +++ b/lib/iov_iter.c @@ -786,6 +786,68 @@ void iov_iter_advance(struct iov_iter *i, size_t size) } EXPORT_SYMBOL(iov_iter_advance); +void iov_iter_revert(struct iov_iter *i, size_t unroll) +{ + if (!unroll) + return; + i->count += unroll; + if (unlikely(i->type & ITER_PIPE)) { + struct pipe_inode_info *pipe = i->pipe; + int idx = i->idx; + size_t off = i->iov_offset; + while (1) { + size_t n = off - pipe->bufs[idx].offset; + if (unroll < n) { + off -= (n - unroll); + break; + } + unroll -= n; + if (!unroll && idx == i->start_idx) { + off = 0; + break; + } + if (!idx--) + idx = pipe->buffers - 1; + off = pipe->bufs[idx].offset + pipe->bufs[idx].len; + } + i->iov_offset = off; + i->idx = idx; + pipe_truncate(i); + return; + } + if (unroll <= i->iov_offset) { + i->iov_offset -= unroll; + return; + } + unroll -= i->iov_offset; + if (i->type & ITER_BVEC) { + const struct bio_vec *bvec = i->bvec; + while (1) { + size_t n = (--bvec)->bv_len; + i->nr_segs++; + if (unroll <= n) { + i->bvec = bvec; + i->iov_offset = n - unroll; + return; + } + unroll -= n; + } + } else { /* same logics for iovec and kvec */ + const struct iovec *iov = i->iov; + while (1) { + size_t n = (--iov)->iov_len; + i->nr_segs++; + if (unroll <= n) { + i->iov = iov; + i->iov_offset = n - unroll; + return; + } + unroll -= n; + } + } +} +EXPORT_SYMBOL(iov_iter_revert); + /* * Return the count of just the current iov_iter segment. */ @@ -839,6 +901,7 @@ void iov_iter_pipe(struct iov_iter *i, int direction, i->idx = (pipe->curbuf + pipe->nrbufs) & (pipe->buffers - 1); i->iov_offset = 0; i->count = count; + i->start_idx = i->idx; } EXPORT_SYMBOL(iov_iter_pipe); diff --git a/lib/nlattr.c b/lib/nlattr.c index b42b8577fc23..a7e0b16078df 100644 --- a/lib/nlattr.c +++ b/lib/nlattr.c @@ -112,6 +112,7 @@ static int validate_nla(const struct nlattr *nla, int maxtype, * @len: length of attribute stream * @maxtype: maximum attribute type to be expected * @policy: validation policy + * @extack: extended ACK report struct * * Validates all attributes in the specified attribute stream against the * specified policy. Attributes with a type exceeding maxtype will be @@ -120,20 +121,23 @@ static int validate_nla(const struct nlattr *nla, int maxtype, * Returns 0 on success or a negative error code. */ int nla_validate(const struct nlattr *head, int len, int maxtype, - const struct nla_policy *policy) + const struct nla_policy *policy, + struct netlink_ext_ack *extack) { const struct nlattr *nla; - int rem, err; + int rem; nla_for_each_attr(nla, head, len, rem) { - err = validate_nla(nla, maxtype, policy); - if (err < 0) - goto errout; + int err = validate_nla(nla, maxtype, policy); + + if (err < 0) { + if (extack) + extack->bad_attr = nla; + return err; + } } - err = 0; -errout: - return err; + return 0; } EXPORT_SYMBOL(nla_validate); @@ -180,7 +184,8 @@ EXPORT_SYMBOL(nla_policy_len); * Returns 0 on success or a negative error code. */ int nla_parse(struct nlattr **tb, int maxtype, const struct nlattr *head, - int len, const struct nla_policy *policy) + int len, const struct nla_policy *policy, + struct netlink_ext_ack *extack) { const struct nlattr *nla; int rem, err; @@ -193,8 +198,11 @@ int nla_parse(struct nlattr **tb, int maxtype, const struct nlattr *head, if (type > 0 && type <= maxtype) { if (policy) { err = validate_nla(nla, maxtype, policy); - if (err < 0) + if (err < 0) { + if (extack) + extack->bad_attr = nla; goto errout; + } } tb[type] = (struct nlattr *)nla; diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 1ebc93e179f3..f3c4f9d22821 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -240,18 +240,18 @@ static ssize_t defrag_store(struct kobject *kobj, clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_OR_MADV_FLAG, &transparent_hugepage_flags); clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_REQ_MADV_FLAG, &transparent_hugepage_flags); set_bit(TRANSPARENT_HUGEPAGE_DEFRAG_DIRECT_FLAG, &transparent_hugepage_flags); - } else if (!memcmp("defer", buf, - min(sizeof("defer")-1, count))) { - clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_DIRECT_FLAG, &transparent_hugepage_flags); - clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_OR_MADV_FLAG, &transparent_hugepage_flags); - clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_REQ_MADV_FLAG, &transparent_hugepage_flags); - set_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_FLAG, &transparent_hugepage_flags); } else if (!memcmp("defer+madvise", buf, min(sizeof("defer+madvise")-1, count))) { clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_DIRECT_FLAG, &transparent_hugepage_flags); clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_FLAG, &transparent_hugepage_flags); clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_REQ_MADV_FLAG, &transparent_hugepage_flags); set_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_OR_MADV_FLAG, &transparent_hugepage_flags); + } else if (!memcmp("defer", buf, + min(sizeof("defer")-1, count))) { + clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_DIRECT_FLAG, &transparent_hugepage_flags); + clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_OR_MADV_FLAG, &transparent_hugepage_flags); + clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_REQ_MADV_FLAG, &transparent_hugepage_flags); + set_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_FLAG, &transparent_hugepage_flags); } else if (!memcmp("madvise", buf, min(sizeof("madvise")-1, count))) { clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_DIRECT_FLAG, &transparent_hugepage_flags); @@ -1568,8 +1568,7 @@ bool madvise_free_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma, deactivate_page(page); if (pmd_young(orig_pmd) || pmd_dirty(orig_pmd)) { - orig_pmd = pmdp_huge_get_and_clear_full(tlb->mm, addr, pmd, - tlb->fullmm); + pmdp_invalidate(vma, addr, pmd); orig_pmd = pmd_mkold(orig_pmd); orig_pmd = pmd_mkclean(orig_pmd); @@ -1724,37 +1723,69 @@ int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, { struct mm_struct *mm = vma->vm_mm; spinlock_t *ptl; - int ret = 0; + pmd_t entry; + bool preserve_write; + int ret; ptl = __pmd_trans_huge_lock(pmd, vma); - if (ptl) { - pmd_t entry; - bool preserve_write = prot_numa && pmd_write(*pmd); - ret = 1; + if (!ptl) + return 0; - /* - * Avoid trapping faults against the zero page. The read-only - * data is likely to be read-cached on the local CPU and - * local/remote hits to the zero page are not interesting. - */ - if (prot_numa && is_huge_zero_pmd(*pmd)) { - spin_unlock(ptl); - return ret; - } + preserve_write = prot_numa && pmd_write(*pmd); + ret = 1; - if (!prot_numa || !pmd_protnone(*pmd)) { - entry = pmdp_huge_get_and_clear_notify(mm, addr, pmd); - entry = pmd_modify(entry, newprot); - if (preserve_write) - entry = pmd_mk_savedwrite(entry); - ret = HPAGE_PMD_NR; - set_pmd_at(mm, addr, pmd, entry); - BUG_ON(vma_is_anonymous(vma) && !preserve_write && - pmd_write(entry)); - } - spin_unlock(ptl); - } + /* + * Avoid trapping faults against the zero page. The read-only + * data is likely to be read-cached on the local CPU and + * local/remote hits to the zero page are not interesting. + */ + if (prot_numa && is_huge_zero_pmd(*pmd)) + goto unlock; + + if (prot_numa && pmd_protnone(*pmd)) + goto unlock; + + /* + * In case prot_numa, we are under down_read(mmap_sem). It's critical + * to not clear pmd intermittently to avoid race with MADV_DONTNEED + * which is also under down_read(mmap_sem): + * + * CPU0: CPU1: + * change_huge_pmd(prot_numa=1) + * pmdp_huge_get_and_clear_notify() + * madvise_dontneed() + * zap_pmd_range() + * pmd_trans_huge(*pmd) == 0 (without ptl) + * // skip the pmd + * set_pmd_at(); + * // pmd is re-established + * + * The race makes MADV_DONTNEED miss the huge pmd and don't clear it + * which may break userspace. + * + * pmdp_invalidate() is required to make sure we don't miss + * dirty/young flags set by hardware. + */ + entry = *pmd; + pmdp_invalidate(vma, addr, pmd); + /* + * Recover dirty/young flags. It relies on pmdp_invalidate to not + * corrupt them. + */ + if (pmd_dirty(*pmd)) + entry = pmd_mkdirty(entry); + if (pmd_young(*pmd)) + entry = pmd_mkyoung(entry); + + entry = pmd_modify(entry, newprot); + if (preserve_write) + entry = pmd_mk_savedwrite(entry); + ret = HPAGE_PMD_NR; + set_pmd_at(mm, addr, pmd, entry); + BUG_ON(vma_is_anonymous(vma) && !preserve_write && pmd_write(entry)); +unlock: + spin_unlock(ptl); return ret; } diff --git a/mm/internal.h b/mm/internal.h index ccfc2a2969f4..266efaeaa370 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -481,6 +481,13 @@ unsigned long reclaim_clean_pages_from_list(struct zone *zone, enum ttu_flags; struct tlbflush_unmap_batch; + +/* + * only for MM internal work items which do not depend on + * any allocations or locks which might depend on allocations + */ +extern struct workqueue_struct *mm_percpu_wq; + #ifdef CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH void try_to_unmap_flush(void); void try_to_unmap_flush_dirty(void); diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 75b2745bac41..37d0b334bfe9 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1529,7 +1529,6 @@ COMPAT_SYSCALL_DEFINE5(get_mempolicy, int __user *, policy, COMPAT_SYSCALL_DEFINE3(set_mempolicy, int, mode, compat_ulong_t __user *, nmask, compat_ulong_t, maxnode) { - long err = 0; unsigned long __user *nm = NULL; unsigned long nr_bits, alloc_size; DECLARE_BITMAP(bm, MAX_NUMNODES); @@ -1538,14 +1537,13 @@ COMPAT_SYSCALL_DEFINE3(set_mempolicy, int, mode, compat_ulong_t __user *, nmask, alloc_size = ALIGN(nr_bits, BITS_PER_LONG) / 8; if (nmask) { - err = compat_get_bitmap(bm, nmask, nr_bits); + if (compat_get_bitmap(bm, nmask, nr_bits)) + return -EFAULT; nm = compat_alloc_user_space(alloc_size); - err |= copy_to_user(nm, bm, alloc_size); + if (copy_to_user(nm, bm, alloc_size)) + return -EFAULT; } - if (err) - return -EFAULT; - return sys_set_mempolicy(mode, nm, nr_bits+1); } @@ -1553,7 +1551,6 @@ COMPAT_SYSCALL_DEFINE6(mbind, compat_ulong_t, start, compat_ulong_t, len, compat_ulong_t, mode, compat_ulong_t __user *, nmask, compat_ulong_t, maxnode, compat_ulong_t, flags) { - long err = 0; unsigned long __user *nm = NULL; unsigned long nr_bits, alloc_size; nodemask_t bm; @@ -1562,14 +1559,13 @@ COMPAT_SYSCALL_DEFINE6(mbind, compat_ulong_t, start, compat_ulong_t, len, alloc_size = ALIGN(nr_bits, BITS_PER_LONG) / 8; if (nmask) { - err = compat_get_bitmap(nodes_addr(bm), nmask, nr_bits); + if (compat_get_bitmap(nodes_addr(bm), nmask, nr_bits)) + return -EFAULT; nm = compat_alloc_user_space(alloc_size); - err |= copy_to_user(nm, nodes_addr(bm), alloc_size); + if (copy_to_user(nm, nodes_addr(bm), alloc_size)) + return -EFAULT; } - if (err) - return -EFAULT; - return sys_mbind(start, len, mode, nm, nr_bits+1, flags); } diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 6cbde310abed..f3d603cef2c0 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2373,6 +2373,13 @@ void drain_all_pages(struct zone *zone) */ static cpumask_t cpus_with_pcps; + /* + * Make sure nobody triggers this path before mm_percpu_wq is fully + * initialized. + */ + if (WARN_ON_ONCE(!mm_percpu_wq)) + return; + /* Workqueues cannot recurse */ if (current->flags & PF_WQ_WORKER) return; @@ -2422,7 +2429,7 @@ void drain_all_pages(struct zone *zone) for_each_cpu(cpu, &cpus_with_pcps) { struct work_struct *work = per_cpu_ptr(&pcpu_drain, cpu); INIT_WORK(work, drain_local_pages_wq); - schedule_work_on(cpu, work); + queue_work_on(cpu, mm_percpu_wq, work); } for_each_cpu(cpu, &cpus_with_pcps) flush_work(per_cpu_ptr(&pcpu_drain, cpu)); @@ -4519,13 +4526,13 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask) K(node_page_state(pgdat, NR_FILE_MAPPED)), K(node_page_state(pgdat, NR_FILE_DIRTY)), K(node_page_state(pgdat, NR_WRITEBACK)), + K(node_page_state(pgdat, NR_SHMEM)), #ifdef CONFIG_TRANSPARENT_HUGEPAGE K(node_page_state(pgdat, NR_SHMEM_THPS) * HPAGE_PMD_NR), K(node_page_state(pgdat, NR_SHMEM_PMDMAPPED) * HPAGE_PMD_NR), K(node_page_state(pgdat, NR_ANON_THPS) * HPAGE_PMD_NR), #endif - K(node_page_state(pgdat, NR_SHMEM)), K(node_page_state(pgdat, NR_WRITEBACK_TEMP)), K(node_page_state(pgdat, NR_UNSTABLE_NFS)), node_page_state(pgdat, NR_PAGES_SCANNED), diff --git a/mm/page_vma_mapped.c b/mm/page_vma_mapped.c index c4c9def8ffea..de9c40d7304a 100644 --- a/mm/page_vma_mapped.c +++ b/mm/page_vma_mapped.c @@ -111,12 +111,8 @@ bool page_vma_mapped_walk(struct page_vma_mapped_walk *pvmw) if (pvmw->pmd && !pvmw->pte) return not_found(pvmw); - /* Only for THP, seek to next pte entry makes sense */ - if (pvmw->pte) { - if (!PageTransHuge(pvmw->page) || PageHuge(pvmw->page)) - return not_found(pvmw); + if (pvmw->pte) goto next_pte; - } if (unlikely(PageHuge(pvmw->page))) { /* when pud is not present, pte will be NULL */ @@ -165,9 +161,14 @@ restart: while (1) { if (check_pte(pvmw)) return true; -next_pte: do { +next_pte: + /* Seek to next pte only makes sense for THP */ + if (!PageTransHuge(pvmw->page) || PageHuge(pvmw->page)) + return not_found(pvmw); + do { pvmw->address += PAGE_SIZE; - if (pvmw->address >= + if (pvmw->address >= pvmw->vma->vm_end || + pvmw->address >= __vma_address(pvmw->page, pvmw->vma) + hpage_nr_pages(pvmw->page) * PAGE_SIZE) return not_found(pvmw); diff --git a/mm/swap.c b/mm/swap.c index c4910f14f957..5dabf444d724 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -670,30 +670,19 @@ static void lru_add_drain_per_cpu(struct work_struct *dummy) static DEFINE_PER_CPU(struct work_struct, lru_add_drain_work); -/* - * lru_add_drain_wq is used to do lru_add_drain_all() from a WQ_MEM_RECLAIM - * workqueue, aiding in getting memory freed. - */ -static struct workqueue_struct *lru_add_drain_wq; - -static int __init lru_init(void) -{ - lru_add_drain_wq = alloc_workqueue("lru-add-drain", WQ_MEM_RECLAIM, 0); - - if (WARN(!lru_add_drain_wq, - "Failed to create workqueue lru_add_drain_wq")) - return -ENOMEM; - - return 0; -} -early_initcall(lru_init); - void lru_add_drain_all(void) { static DEFINE_MUTEX(lock); static struct cpumask has_work; int cpu; + /* + * Make sure nobody triggers this path before mm_percpu_wq is fully + * initialized. + */ + if (WARN_ON(!mm_percpu_wq)) + return; + mutex_lock(&lock); get_online_cpus(); cpumask_clear(&has_work); @@ -707,7 +696,7 @@ void lru_add_drain_all(void) pagevec_count(&per_cpu(lru_deactivate_pvecs, cpu)) || need_activate_page_drain(cpu)) { INIT_WORK(work, lru_add_drain_per_cpu); - queue_work_on(cpu, lru_add_drain_wq, work); + queue_work_on(cpu, mm_percpu_wq, work); cpumask_set_cpu(cpu, &has_work); } } diff --git a/mm/swap_cgroup.c b/mm/swap_cgroup.c index 310ac0b8f974..ac6318a064d3 100644 --- a/mm/swap_cgroup.c +++ b/mm/swap_cgroup.c @@ -201,6 +201,8 @@ void swap_cgroup_swapoff(int type) struct page *page = map[i]; if (page) __free_page(page); + if (!(i % SWAP_CLUSTER_MAX)) + cond_resched(); } vfree(map); } diff --git a/mm/vmstat.c b/mm/vmstat.c index 89f95396ec46..809025ed97ea 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1552,7 +1552,6 @@ static const struct file_operations proc_vmstat_file_operations = { #endif /* CONFIG_PROC_FS */ #ifdef CONFIG_SMP -static struct workqueue_struct *vmstat_wq; static DEFINE_PER_CPU(struct delayed_work, vmstat_work); int sysctl_stat_interval __read_mostly = HZ; @@ -1623,7 +1622,7 @@ static void vmstat_update(struct work_struct *w) * to occur in the future. Keep on running the * update worker thread. */ - queue_delayed_work_on(smp_processor_id(), vmstat_wq, + queue_delayed_work_on(smp_processor_id(), mm_percpu_wq, this_cpu_ptr(&vmstat_work), round_jiffies_relative(sysctl_stat_interval)); } @@ -1702,7 +1701,7 @@ static void vmstat_shepherd(struct work_struct *w) struct delayed_work *dw = &per_cpu(vmstat_work, cpu); if (!delayed_work_pending(dw) && need_update(cpu)) - queue_delayed_work_on(cpu, vmstat_wq, dw, 0); + queue_delayed_work_on(cpu, mm_percpu_wq, dw, 0); } put_online_cpus(); @@ -1718,7 +1717,6 @@ static void __init start_shepherd_timer(void) INIT_DEFERRABLE_WORK(per_cpu_ptr(&vmstat_work, cpu), vmstat_update); - vmstat_wq = alloc_workqueue("vmstat", WQ_FREEZABLE|WQ_MEM_RECLAIM, 0); schedule_delayed_work(&shepherd, round_jiffies_relative(sysctl_stat_interval)); } @@ -1764,11 +1762,16 @@ static int vmstat_cpu_dead(unsigned int cpu) #endif +struct workqueue_struct *mm_percpu_wq; + void __init init_mm_internals(void) { -#ifdef CONFIG_SMP - int ret; + int ret __maybe_unused; + mm_percpu_wq = alloc_workqueue("mm_percpu_wq", + WQ_FREEZABLE|WQ_MEM_RECLAIM, 0); + +#ifdef CONFIG_SMP ret = cpuhp_setup_state_nocalls(CPUHP_MM_VMSTAT_DEAD, "mm/vmstat:dead", NULL, vmstat_cpu_dead); if (ret < 0) diff --git a/mm/z3fold.c b/mm/z3fold.c index f9492bccfd79..54f63c4a809a 100644 --- a/mm/z3fold.c +++ b/mm/z3fold.c @@ -185,6 +185,12 @@ static inline void z3fold_page_lock(struct z3fold_header *zhdr) spin_lock(&zhdr->page_lock); } +/* Try to lock a z3fold page */ +static inline int z3fold_page_trylock(struct z3fold_header *zhdr) +{ + return spin_trylock(&zhdr->page_lock); +} + /* Unlock a z3fold page */ static inline void z3fold_page_unlock(struct z3fold_header *zhdr) { @@ -385,7 +391,7 @@ static int z3fold_alloc(struct z3fold_pool *pool, size_t size, gfp_t gfp, spin_lock(&pool->lock); zhdr = list_first_entry_or_null(&pool->unbuddied[i], struct z3fold_header, buddy); - if (!zhdr) { + if (!zhdr || !z3fold_page_trylock(zhdr)) { spin_unlock(&pool->lock); continue; } @@ -394,7 +400,6 @@ static int z3fold_alloc(struct z3fold_pool *pool, size_t size, gfp_t gfp, spin_unlock(&pool->lock); page = virt_to_page(zhdr); - z3fold_page_lock(zhdr); if (zhdr->first_chunks == 0) { if (zhdr->middle_chunks != 0 && chunks >= zhdr->start_middle) diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index b7ee9c34dbd6..d41edd28298b 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -276,7 +276,7 @@ struct zs_pool { struct zspage { struct { unsigned int fullness:FULLNESS_BITS; - unsigned int class:CLASS_BITS; + unsigned int class:CLASS_BITS + 1; unsigned int isolated:ISOLATED_BITS; unsigned int magic:MAGIC_VAL_BITS; }; diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c index 1270207f3d7c..9c94aad153b3 100644 --- a/net/8021q/vlan_netlink.c +++ b/net/8021q/vlan_netlink.c @@ -35,7 +35,8 @@ static inline int vlan_validate_qos_map(struct nlattr *attr) { if (!attr) return 0; - return nla_validate_nested(attr, IFLA_VLAN_QOS_MAX, vlan_map_policy); + return nla_validate_nested(attr, IFLA_VLAN_QOS_MAX, vlan_map_policy, + NULL); } static int vlan_validate(struct nlattr *tb[], struct nlattr *data[]) diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index ea71513fca21..90f49a194249 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -119,6 +119,15 @@ static int br_dev_init(struct net_device *dev) return err; } +static void br_dev_uninit(struct net_device *dev) +{ + struct net_bridge *br = netdev_priv(dev); + + br_multicast_uninit_stats(br); + br_vlan_flush(br); + free_percpu(br->stats); +} + static int br_dev_open(struct net_device *dev) { struct net_bridge *br = netdev_priv(dev); @@ -332,6 +341,7 @@ static const struct net_device_ops br_netdev_ops = { .ndo_open = br_dev_open, .ndo_stop = br_dev_stop, .ndo_init = br_dev_init, + .ndo_uninit = br_dev_uninit, .ndo_start_xmit = br_dev_xmit, .ndo_get_stats64 = br_get_stats64, .ndo_set_mac_address = br_set_mac_address, @@ -356,14 +366,6 @@ static const struct net_device_ops br_netdev_ops = { .ndo_features_check = passthru_features_check, }; -static void br_dev_free(struct net_device *dev) -{ - struct net_bridge *br = netdev_priv(dev); - - free_percpu(br->stats); - free_netdev(dev); -} - static struct device_type br_type = { .name = "bridge", }; @@ -376,7 +378,7 @@ void br_dev_setup(struct net_device *dev) ether_setup(dev); dev->netdev_ops = &br_netdev_ops; - dev->destructor = br_dev_free; + dev->destructor = free_netdev; dev->ethtool_ops = &br_ethtool_ops; SET_NETDEV_DEVTYPE(dev, &br_type); dev->priv_flags = IFF_EBRIDGE | IFF_NO_QUEUE; diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index 5a40a87c4f4f..de7988b0349e 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -595,8 +595,10 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, if (unlikely(added_by_user)) fdb->added_by_user = 1; /* Take over HW learned entry */ - if (unlikely(fdb->added_by_external_learn)) + if (unlikely(fdb->added_by_external_learn)) { fdb->added_by_external_learn = 0; + fdb_modified = true; + } if (unlikely(fdb_modified)) fdb_notify(br, fdb, RTM_NEWNEIGH); } diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 6eb52d422dd9..6d273ca0bf7c 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -312,7 +312,6 @@ void br_dev_delete(struct net_device *dev, struct list_head *head) br_fdb_delete_by_port(br, NULL, 0, 1); - br_vlan_flush(br); br_multicast_dev_del(br); cancel_delayed_work_sync(&br->gc_work); diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c index 056e6ac49d8f..993626a7fc3b 100644 --- a/net/bridge/br_mdb.c +++ b/net/bridge/br_mdb.c @@ -464,7 +464,8 @@ static int br_mdb_parse(struct sk_buff *skb, struct nlmsghdr *nlh, struct net_device *dev; int err; - err = nlmsg_parse(nlh, sizeof(*bpm), tb, MDBA_SET_ENTRY_MAX, NULL); + err = nlmsg_parse(nlh, sizeof(*bpm), tb, MDBA_SET_ENTRY_MAX, NULL, + NULL); if (err < 0) return err; diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index b760f2620abf..faa7261a992f 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -2031,8 +2031,6 @@ void br_multicast_dev_del(struct net_bridge *br) out: spin_unlock_bh(&br->multicast_lock); - - free_percpu(br->mcast_stats); } int br_multicast_set_router(struct net_bridge *br, unsigned long val) @@ -2531,6 +2529,11 @@ int br_multicast_init_stats(struct net_bridge *br) return 0; } +void br_multicast_uninit_stats(struct net_bridge *br) +{ + free_percpu(br->mcast_stats); +} + static void mcast_stats_add_dir(u64 *dst, u64 *src) { dst[BR_MCAST_DIR_RX] += src[BR_MCAST_DIR_RX]; diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index a8f6acd23e30..650986473577 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -748,8 +748,8 @@ int br_setlink(struct net_device *dev, struct nlmsghdr *nlh, u16 flags) if (p && protinfo) { if (protinfo->nla_type & NLA_F_NESTED) { - err = nla_parse_nested(tb, IFLA_BRPORT_MAX, - protinfo, br_port_policy); + err = nla_parse_nested(tb, IFLA_BRPORT_MAX, protinfo, + br_port_policy, NULL); if (err) return err; @@ -1165,11 +1165,14 @@ static int br_dev_newlink(struct net *src_net, struct net_device *dev, spin_unlock_bh(&br->lock); } - err = br_changelink(dev, tb, data); + err = register_netdevice(dev); if (err) return err; - return register_netdevice(dev); + err = br_changelink(dev, tb, data); + if (err) + unregister_netdevice(dev); + return err; } static size_t br_get_size(const struct net_device *brdev) diff --git a/net/bridge/br_netlink_tunnel.c b/net/bridge/br_netlink_tunnel.c index c913491495ab..3712c7f0e00c 100644 --- a/net/bridge/br_netlink_tunnel.c +++ b/net/bridge/br_netlink_tunnel.c @@ -227,8 +227,8 @@ int br_parse_vlan_tunnel_info(struct nlattr *attr, memset(tinfo, 0, sizeof(*tinfo)); - err = nla_parse_nested(tb, IFLA_BRIDGE_VLAN_TUNNEL_MAX, - attr, vlan_tunnel_policy); + err = nla_parse_nested(tb, IFLA_BRIDGE_VLAN_TUNNEL_MAX, attr, + vlan_tunnel_policy, NULL); if (err < 0) return err; diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 61368186edea..0d177280aa84 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -620,6 +620,7 @@ void br_rtr_notify(struct net_device *dev, struct net_bridge_port *port, void br_multicast_count(struct net_bridge *br, const struct net_bridge_port *p, const struct sk_buff *skb, u8 type, u8 dir); int br_multicast_init_stats(struct net_bridge *br); +void br_multicast_uninit_stats(struct net_bridge *br); void br_multicast_get_stats(const struct net_bridge *br, const struct net_bridge_port *p, struct br_mcast_stats *dest); @@ -760,6 +761,10 @@ static inline int br_multicast_init_stats(struct net_bridge *br) return 0; } +static inline void br_multicast_uninit_stats(struct net_bridge *br) +{ +} + static inline int br_multicast_igmp_type(const struct sk_buff *skb) { return 0; diff --git a/net/can/gw.c b/net/can/gw.c index 3c117a33e15f..3b84fb7d98aa 100644 --- a/net/can/gw.c +++ b/net/can/gw.c @@ -641,7 +641,7 @@ static int cgw_parse_attr(struct nlmsghdr *nlh, struct cf_mod *mod, memset(mod, 0, sizeof(*mod)); err = nlmsg_parse(nlh, sizeof(struct rtcanmsg), tb, CGW_MAX, - cgw_policy); + cgw_policy, NULL); if (err < 0) return err; diff --git a/net/core/datagram.c b/net/core/datagram.c index 4608aa245410..15ef99469cfe 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -402,7 +402,7 @@ int skb_copy_datagram_iter(const struct sk_buff *skb, int offset, struct iov_iter *to, int len) { int start = skb_headlen(skb); - int i, copy = start - offset; + int i, copy = start - offset, start_off = offset, n; struct sk_buff *frag_iter; trace_skb_copy_datagram_iovec(skb, len); @@ -411,11 +411,12 @@ int skb_copy_datagram_iter(const struct sk_buff *skb, int offset, if (copy > 0) { if (copy > len) copy = len; - if (copy_to_iter(skb->data + offset, copy, to) != copy) + n = copy_to_iter(skb->data + offset, copy, to); + offset += n; + if (n != copy) goto short_copy; if ((len -= copy) == 0) return 0; - offset += copy; } /* Copy paged appendix. Hmm... why does this look so complicated? */ @@ -429,13 +430,14 @@ int skb_copy_datagram_iter(const struct sk_buff *skb, int offset, if ((copy = end - offset) > 0) { if (copy > len) copy = len; - if (copy_page_to_iter(skb_frag_page(frag), + n = copy_page_to_iter(skb_frag_page(frag), frag->page_offset + offset - - start, copy, to) != copy) + start, copy, to); + offset += n; + if (n != copy) goto short_copy; if (!(len -= copy)) return 0; - offset += copy; } start = end; } @@ -467,6 +469,7 @@ int skb_copy_datagram_iter(const struct sk_buff *skb, int offset, */ fault: + iov_iter_revert(to, offset - start_off); return -EFAULT; short_copy: @@ -617,7 +620,7 @@ static int skb_copy_and_csum_datagram(const struct sk_buff *skb, int offset, __wsum *csump) { int start = skb_headlen(skb); - int i, copy = start - offset; + int i, copy = start - offset, start_off = offset; struct sk_buff *frag_iter; int pos = 0; int n; @@ -627,11 +630,11 @@ static int skb_copy_and_csum_datagram(const struct sk_buff *skb, int offset, if (copy > len) copy = len; n = csum_and_copy_to_iter(skb->data + offset, copy, csump, to); + offset += n; if (n != copy) goto fault; if ((len -= copy) == 0) return 0; - offset += copy; pos = copy; } @@ -653,12 +656,12 @@ static int skb_copy_and_csum_datagram(const struct sk_buff *skb, int offset, offset - start, copy, &csum2, to); kunmap(page); + offset += n; if (n != copy) goto fault; *csump = csum_block_add(*csump, csum2, pos); if (!(len -= copy)) return 0; - offset += copy; pos += copy; } start = end; @@ -691,6 +694,7 @@ static int skb_copy_and_csum_datagram(const struct sk_buff *skb, int offset, return 0; fault: + iov_iter_revert(to, offset - start_off); return -EFAULT; } @@ -775,6 +779,7 @@ int skb_copy_and_csum_datagram_msg(struct sk_buff *skb, } return 0; csum_error: + iov_iter_revert(&msg->msg_iter, chunk); return -EINVAL; fault: return -EFAULT; diff --git a/net/core/dev.c b/net/core/dev.c index ef9fe60ee294..5d33e2baab2b 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -6754,7 +6754,6 @@ int dev_change_xdp_fd(struct net_device *dev, int fd, u32 flags) return err; } -EXPORT_SYMBOL(dev_change_xdp_fd); /** * dev_new_index - allocate an ifindex diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c index 816e3ccb0ec9..df03110ca3c8 100644 --- a/net/core/fib_rules.c +++ b/net/core/fib_rules.c @@ -386,7 +386,7 @@ int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr *nlh) goto errout; } - err = nlmsg_parse(nlh, sizeof(*frh), tb, FRA_MAX, ops->policy); + err = nlmsg_parse(nlh, sizeof(*frh), tb, FRA_MAX, ops->policy, NULL); if (err < 0) goto errout; @@ -580,7 +580,7 @@ int fib_nl_delrule(struct sk_buff *skb, struct nlmsghdr *nlh) goto errout; } - err = nlmsg_parse(nlh, sizeof(*frh), tb, FRA_MAX, ops->policy); + err = nlmsg_parse(nlh, sizeof(*frh), tb, FRA_MAX, ops->policy, NULL); if (err < 0) goto errout; diff --git a/net/core/lwt_bpf.c b/net/core/lwt_bpf.c index 0cfe7b0216c3..b3bc0a31af9f 100644 --- a/net/core/lwt_bpf.c +++ b/net/core/lwt_bpf.c @@ -209,7 +209,8 @@ static int bpf_parse_prog(struct nlattr *attr, struct bpf_lwt_prog *prog, int ret; u32 fd; - ret = nla_parse_nested(tb, LWT_BPF_PROG_MAX, attr, bpf_prog_policy); + ret = nla_parse_nested(tb, LWT_BPF_PROG_MAX, attr, bpf_prog_policy, + NULL); if (ret < 0) return ret; @@ -249,7 +250,7 @@ static int bpf_build_state(struct nlattr *nla, if (family != AF_INET && family != AF_INET6) return -EAFNOSUPPORT; - ret = nla_parse_nested(tb, LWT_BPF_MAX, nla, bpf_nl_policy); + ret = nla_parse_nested(tb, LWT_BPF_MAX, nla, bpf_nl_policy, NULL); if (ret < 0) return ret; diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 8ae87c591c8e..31f37b264710 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -1661,7 +1661,7 @@ static int neigh_add(struct sk_buff *skb, struct nlmsghdr *nlh) int err; ASSERT_RTNL(); - err = nlmsg_parse(nlh, sizeof(*ndm), tb, NDA_MAX, NULL); + err = nlmsg_parse(nlh, sizeof(*ndm), tb, NDA_MAX, NULL, NULL); if (err < 0) goto out; @@ -1946,7 +1946,7 @@ static int neightbl_set(struct sk_buff *skb, struct nlmsghdr *nlh) int err, tidx; err = nlmsg_parse(nlh, sizeof(*ndtmsg), tb, NDTA_MAX, - nl_neightbl_policy); + nl_neightbl_policy, NULL); if (err < 0) goto errout; @@ -1984,7 +1984,7 @@ static int neightbl_set(struct sk_buff *skb, struct nlmsghdr *nlh) int i, ifindex = 0; err = nla_parse_nested(tbp, NDTPA_MAX, tb[NDTA_PARMS], - nl_ntbl_parm_policy); + nl_ntbl_parm_policy, NULL); if (err < 0) goto errout_tbl_lock; @@ -2275,7 +2275,7 @@ static int neigh_dump_table(struct neigh_table *tbl, struct sk_buff *skb, unsigned int flags = NLM_F_MULTI; int err; - err = nlmsg_parse(nlh, sizeof(struct ndmsg), tb, NDA_MAX, NULL); + err = nlmsg_parse(nlh, sizeof(struct ndmsg), tb, NDA_MAX, NULL, NULL); if (!err) { if (tb[NDA_IFINDEX]) filter_idx = nla_get_u32(tb[NDA_IFINDEX]); diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index 652468ff65b7..ec18cbc756d2 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -579,7 +579,7 @@ static int rtnl_net_newid(struct sk_buff *skb, struct nlmsghdr *nlh) int nsid, err; err = nlmsg_parse(nlh, sizeof(struct rtgenmsg), tb, NETNSA_MAX, - rtnl_net_policy); + rtnl_net_policy, NULL); if (err < 0) return err; if (!tb[NETNSA_NSID]) @@ -653,7 +653,7 @@ static int rtnl_net_getid(struct sk_buff *skb, struct nlmsghdr *nlh) int err, id; err = nlmsg_parse(nlh, sizeof(struct rtgenmsg), tb, NETNSA_MAX, - rtnl_net_policy); + rtnl_net_policy, NULL); if (err < 0) return err; if (tb[NETNSA_PID]) diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 58419da7961b..0ee5479528b5 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1515,7 +1515,8 @@ static const struct rtnl_link_ops *linkinfo_to_kind_ops(const struct nlattr *nla const struct rtnl_link_ops *ops = NULL; struct nlattr *linfo[IFLA_INFO_MAX + 1]; - if (nla_parse_nested(linfo, IFLA_INFO_MAX, nla, ifla_info_policy) < 0) + if (nla_parse_nested(linfo, IFLA_INFO_MAX, nla, + ifla_info_policy, NULL) < 0) return NULL; if (linfo[IFLA_INFO_KIND]) { @@ -1592,8 +1593,8 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb) hdrlen = nlmsg_len(cb->nlh) < sizeof(struct ifinfomsg) ? sizeof(struct rtgenmsg) : sizeof(struct ifinfomsg); - if (nlmsg_parse(cb->nlh, hdrlen, tb, IFLA_MAX, ifla_policy) >= 0) { - + if (nlmsg_parse(cb->nlh, hdrlen, tb, IFLA_MAX, + ifla_policy, NULL) >= 0) { if (tb[IFLA_EXT_MASK]) ext_filter_mask = nla_get_u32(tb[IFLA_EXT_MASK]); @@ -1640,9 +1641,10 @@ out: return skb->len; } -int rtnl_nla_parse_ifla(struct nlattr **tb, const struct nlattr *head, int len) +int rtnl_nla_parse_ifla(struct nlattr **tb, const struct nlattr *head, int len, + struct netlink_ext_ack *exterr) { - return nla_parse(tb, IFLA_MAX, head, len, ifla_policy); + return nla_parse(tb, IFLA_MAX, head, len, ifla_policy, exterr); } EXPORT_SYMBOL(rtnl_nla_parse_ifla); @@ -2078,7 +2080,7 @@ static int do_setlink(const struct sk_buff *skb, goto errout; } err = nla_parse_nested(vfinfo, IFLA_VF_MAX, attr, - ifla_vf_policy); + ifla_vf_policy, NULL); if (err < 0) goto errout; err = do_setvfinfo(dev, vfinfo); @@ -2106,7 +2108,7 @@ static int do_setlink(const struct sk_buff *skb, goto errout; } err = nla_parse_nested(port, IFLA_PORT_MAX, attr, - ifla_port_policy); + ifla_port_policy, NULL); if (err < 0) goto errout; if (!port[IFLA_PORT_VF]) { @@ -2126,7 +2128,8 @@ static int do_setlink(const struct sk_buff *skb, struct nlattr *port[IFLA_PORT_MAX+1]; err = nla_parse_nested(port, IFLA_PORT_MAX, - tb[IFLA_PORT_SELF], ifla_port_policy); + tb[IFLA_PORT_SELF], ifla_port_policy, + NULL); if (err < 0) goto errout; @@ -2170,7 +2173,7 @@ static int do_setlink(const struct sk_buff *skb, u32 xdp_flags = 0; err = nla_parse_nested(xdp, IFLA_XDP_MAX, tb[IFLA_XDP], - ifla_xdp_policy); + ifla_xdp_policy, NULL); if (err < 0) goto errout; @@ -2219,7 +2222,7 @@ static int rtnl_setlink(struct sk_buff *skb, struct nlmsghdr *nlh) struct nlattr *tb[IFLA_MAX+1]; char ifname[IFNAMSIZ]; - err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy); + err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy, NULL); if (err < 0) goto errout; @@ -2312,7 +2315,7 @@ static int rtnl_dellink(struct sk_buff *skb, struct nlmsghdr *nlh) struct nlattr *tb[IFLA_MAX+1]; int err; - err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy); + err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy, NULL); if (err < 0) return err; @@ -2441,7 +2444,7 @@ static int rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh) #ifdef CONFIG_MODULES replay: #endif - err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy); + err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy, NULL); if (err < 0) return err; @@ -2472,7 +2475,8 @@ replay: if (tb[IFLA_LINKINFO]) { err = nla_parse_nested(linkinfo, IFLA_INFO_MAX, - tb[IFLA_LINKINFO], ifla_info_policy); + tb[IFLA_LINKINFO], ifla_info_policy, + NULL); if (err < 0) return err; } else @@ -2497,7 +2501,7 @@ replay: if (ops->maxtype && linkinfo[IFLA_INFO_DATA]) { err = nla_parse_nested(attr, ops->maxtype, linkinfo[IFLA_INFO_DATA], - ops->policy); + ops->policy, NULL); if (err < 0) return err; data = attr; @@ -2515,7 +2519,8 @@ replay: err = nla_parse_nested(slave_attr, m_ops->slave_maxtype, linkinfo[IFLA_INFO_SLAVE_DATA], - m_ops->slave_policy); + m_ops->slave_policy, + NULL); if (err < 0) return err; slave_data = slave_attr; @@ -2684,7 +2689,7 @@ static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh) int err; u32 ext_filter_mask = 0; - err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy); + err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy, NULL); if (err < 0) return err; @@ -2734,7 +2739,7 @@ static u16 rtnl_calcit(struct sk_buff *skb, struct nlmsghdr *nlh) hdrlen = nlmsg_len(nlh) < sizeof(struct ifinfomsg) ? sizeof(struct rtgenmsg) : sizeof(struct ifinfomsg); - if (nlmsg_parse(nlh, hdrlen, tb, IFLA_MAX, ifla_policy) >= 0) { + if (nlmsg_parse(nlh, hdrlen, tb, IFLA_MAX, ifla_policy, NULL) >= 0) { if (tb[IFLA_EXT_MASK]) ext_filter_mask = nla_get_u32(tb[IFLA_EXT_MASK]); } @@ -2965,7 +2970,7 @@ static int rtnl_fdb_add(struct sk_buff *skb, struct nlmsghdr *nlh) u16 vid; int err; - err = nlmsg_parse(nlh, sizeof(*ndm), tb, NDA_MAX, NULL); + err = nlmsg_parse(nlh, sizeof(*ndm), tb, NDA_MAX, NULL, NULL); if (err < 0) return err; @@ -3068,7 +3073,7 @@ static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh) if (!netlink_capable(skb, CAP_NET_ADMIN)) return -EPERM; - err = nlmsg_parse(nlh, sizeof(*ndm), tb, NDA_MAX, NULL); + err = nlmsg_parse(nlh, sizeof(*ndm), tb, NDA_MAX, NULL, NULL); if (err < 0) return err; @@ -3203,8 +3208,8 @@ static int rtnl_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb) int err = 0; int fidx = 0; - if (nlmsg_parse(cb->nlh, sizeof(struct ifinfomsg), tb, IFLA_MAX, - ifla_policy) == 0) { + if (nlmsg_parse(cb->nlh, sizeof(struct ifinfomsg), tb, + IFLA_MAX, ifla_policy, NULL) == 0) { if (tb[IFLA_MASTER]) br_idx = nla_get_u32(tb[IFLA_MASTER]); } @@ -4046,7 +4051,8 @@ out: /* Process one rtnetlink message. */ -static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) +static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, + struct netlink_ext_ack *extack) { struct net *net = sock_net(skb->sk); rtnl_doit_func doit; @@ -4117,21 +4123,12 @@ static int rtnetlink_event(struct notifier_block *this, unsigned long event, voi switch (event) { case NETDEV_REBOOT: - case NETDEV_CHANGEMTU: - case NETDEV_CHANGEADDR: case NETDEV_CHANGENAME: case NETDEV_FEAT_CHANGE: case NETDEV_BONDING_FAILOVER: - case NETDEV_POST_TYPE_CHANGE: case NETDEV_NOTIFY_PEERS: - case NETDEV_CHANGEUPPER: case NETDEV_RESEND_IGMP: - case NETDEV_PRECHANGEMTU: case NETDEV_CHANGEINFODATA: - case NETDEV_PRECHANGEUPPER: - case NETDEV_CHANGELOWERSTATE: - case NETDEV_UDP_TUNNEL_PUSH_INFO: - case NETDEV_CHANGE_TX_QUEUE_LEN: rtmsg_ifinfo(RTM_NEWLINK, dev, 0, GFP_KERNEL); break; default: diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c index fb9d0e2fd148..217f4e3b82f6 100644 --- a/net/core/sock_diag.c +++ b/net/core/sock_diag.c @@ -238,7 +238,8 @@ static int __sock_diag_cmd(struct sk_buff *skb, struct nlmsghdr *nlh) return err; } -static int sock_diag_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) +static int sock_diag_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, + struct netlink_ext_ack *extack) { int ret; diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c index 3202d75329b5..3f5a5f710576 100644 --- a/net/dcb/dcbnl.c +++ b/net/dcb/dcbnl.c @@ -245,8 +245,7 @@ static int dcbnl_getpfccfg(struct net_device *netdev, struct nlmsghdr *nlh, return -EOPNOTSUPP; ret = nla_parse_nested(data, DCB_PFC_UP_ATTR_MAX, - tb[DCB_ATTR_PFC_CFG], - dcbnl_pfc_up_nest); + tb[DCB_ATTR_PFC_CFG], dcbnl_pfc_up_nest, NULL); if (ret) return ret; @@ -304,7 +303,7 @@ static int dcbnl_getcap(struct net_device *netdev, struct nlmsghdr *nlh, return -EOPNOTSUPP; ret = nla_parse_nested(data, DCB_CAP_ATTR_MAX, tb[DCB_ATTR_CAP], - dcbnl_cap_nest); + dcbnl_cap_nest, NULL); if (ret) return ret; @@ -348,7 +347,7 @@ static int dcbnl_getnumtcs(struct net_device *netdev, struct nlmsghdr *nlh, return -EOPNOTSUPP; ret = nla_parse_nested(data, DCB_NUMTCS_ATTR_MAX, tb[DCB_ATTR_NUMTCS], - dcbnl_numtcs_nest); + dcbnl_numtcs_nest, NULL); if (ret) return ret; @@ -393,7 +392,7 @@ static int dcbnl_setnumtcs(struct net_device *netdev, struct nlmsghdr *nlh, return -EOPNOTSUPP; ret = nla_parse_nested(data, DCB_NUMTCS_ATTR_MAX, tb[DCB_ATTR_NUMTCS], - dcbnl_numtcs_nest); + dcbnl_numtcs_nest, NULL); if (ret) return ret; @@ -452,7 +451,7 @@ static int dcbnl_getapp(struct net_device *netdev, struct nlmsghdr *nlh, return -EINVAL; ret = nla_parse_nested(app_tb, DCB_APP_ATTR_MAX, tb[DCB_ATTR_APP], - dcbnl_app_nest); + dcbnl_app_nest, NULL); if (ret) return ret; @@ -520,7 +519,7 @@ static int dcbnl_setapp(struct net_device *netdev, struct nlmsghdr *nlh, return -EINVAL; ret = nla_parse_nested(app_tb, DCB_APP_ATTR_MAX, tb[DCB_ATTR_APP], - dcbnl_app_nest); + dcbnl_app_nest, NULL); if (ret) return ret; @@ -577,8 +576,8 @@ static int __dcbnl_pg_getcfg(struct net_device *netdev, struct nlmsghdr *nlh, !netdev->dcbnl_ops->getpgbwgcfgrx) return -EOPNOTSUPP; - ret = nla_parse_nested(pg_tb, DCB_PG_ATTR_MAX, - tb[DCB_ATTR_PG_CFG], dcbnl_pg_nest); + ret = nla_parse_nested(pg_tb, DCB_PG_ATTR_MAX, tb[DCB_ATTR_PG_CFG], + dcbnl_pg_nest, NULL); if (ret) return ret; @@ -597,8 +596,8 @@ static int __dcbnl_pg_getcfg(struct net_device *netdev, struct nlmsghdr *nlh, data = pg_tb[DCB_PG_ATTR_TC_ALL]; else data = pg_tb[i]; - ret = nla_parse_nested(param_tb, DCB_TC_ATTR_PARAM_MAX, - data, dcbnl_tc_param_nest); + ret = nla_parse_nested(param_tb, DCB_TC_ATTR_PARAM_MAX, data, + dcbnl_tc_param_nest, NULL); if (ret) goto err_pg; @@ -735,8 +734,7 @@ static int dcbnl_setpfccfg(struct net_device *netdev, struct nlmsghdr *nlh, return -EOPNOTSUPP; ret = nla_parse_nested(data, DCB_PFC_UP_ATTR_MAX, - tb[DCB_ATTR_PFC_CFG], - dcbnl_pfc_up_nest); + tb[DCB_ATTR_PFC_CFG], dcbnl_pfc_up_nest, NULL); if (ret) return ret; @@ -791,8 +789,8 @@ static int __dcbnl_pg_setcfg(struct net_device *netdev, struct nlmsghdr *nlh, !netdev->dcbnl_ops->setpgbwgcfgrx) return -EOPNOTSUPP; - ret = nla_parse_nested(pg_tb, DCB_PG_ATTR_MAX, - tb[DCB_ATTR_PG_CFG], dcbnl_pg_nest); + ret = nla_parse_nested(pg_tb, DCB_PG_ATTR_MAX, tb[DCB_ATTR_PG_CFG], + dcbnl_pg_nest, NULL); if (ret) return ret; @@ -801,7 +799,7 @@ static int __dcbnl_pg_setcfg(struct net_device *netdev, struct nlmsghdr *nlh, continue; ret = nla_parse_nested(param_tb, DCB_TC_ATTR_PARAM_MAX, - pg_tb[i], dcbnl_tc_param_nest); + pg_tb[i], dcbnl_tc_param_nest, NULL); if (ret) return ret; @@ -889,8 +887,8 @@ static int dcbnl_bcn_getcfg(struct net_device *netdev, struct nlmsghdr *nlh, !netdev->dcbnl_ops->getbcncfg) return -EOPNOTSUPP; - ret = nla_parse_nested(bcn_tb, DCB_BCN_ATTR_MAX, - tb[DCB_ATTR_BCN], dcbnl_bcn_nest); + ret = nla_parse_nested(bcn_tb, DCB_BCN_ATTR_MAX, tb[DCB_ATTR_BCN], + dcbnl_bcn_nest, NULL); if (ret) return ret; @@ -948,9 +946,8 @@ static int dcbnl_bcn_setcfg(struct net_device *netdev, struct nlmsghdr *nlh, !netdev->dcbnl_ops->setbcnrp) return -EOPNOTSUPP; - ret = nla_parse_nested(data, DCB_BCN_ATTR_MAX, - tb[DCB_ATTR_BCN], - dcbnl_pfc_up_nest); + ret = nla_parse_nested(data, DCB_BCN_ATTR_MAX, tb[DCB_ATTR_BCN], + dcbnl_pfc_up_nest, NULL); if (ret) return ret; @@ -1424,8 +1421,8 @@ static int dcbnl_ieee_set(struct net_device *netdev, struct nlmsghdr *nlh, if (!tb[DCB_ATTR_IEEE]) return -EINVAL; - err = nla_parse_nested(ieee, DCB_ATTR_IEEE_MAX, - tb[DCB_ATTR_IEEE], dcbnl_ieee_policy); + err = nla_parse_nested(ieee, DCB_ATTR_IEEE_MAX, tb[DCB_ATTR_IEEE], + dcbnl_ieee_policy, NULL); if (err) return err; @@ -1508,8 +1505,8 @@ static int dcbnl_ieee_del(struct net_device *netdev, struct nlmsghdr *nlh, if (!tb[DCB_ATTR_IEEE]) return -EINVAL; - err = nla_parse_nested(ieee, DCB_ATTR_IEEE_MAX, - tb[DCB_ATTR_IEEE], dcbnl_ieee_policy); + err = nla_parse_nested(ieee, DCB_ATTR_IEEE_MAX, tb[DCB_ATTR_IEEE], + dcbnl_ieee_policy, NULL); if (err) return err; @@ -1581,8 +1578,8 @@ static int dcbnl_getfeatcfg(struct net_device *netdev, struct nlmsghdr *nlh, if (!tb[DCB_ATTR_FEATCFG]) return -EINVAL; - ret = nla_parse_nested(data, DCB_FEATCFG_ATTR_MAX, tb[DCB_ATTR_FEATCFG], - dcbnl_featcfg_nest); + ret = nla_parse_nested(data, DCB_FEATCFG_ATTR_MAX, + tb[DCB_ATTR_FEATCFG], dcbnl_featcfg_nest, NULL); if (ret) return ret; @@ -1625,8 +1622,8 @@ static int dcbnl_setfeatcfg(struct net_device *netdev, struct nlmsghdr *nlh, if (!tb[DCB_ATTR_FEATCFG]) return -EINVAL; - ret = nla_parse_nested(data, DCB_FEATCFG_ATTR_MAX, tb[DCB_ATTR_FEATCFG], - dcbnl_featcfg_nest); + ret = nla_parse_nested(data, DCB_FEATCFG_ATTR_MAX, + tb[DCB_ATTR_FEATCFG], dcbnl_featcfg_nest, NULL); if (ret) goto err; @@ -1715,7 +1712,7 @@ static int dcb_doit(struct sk_buff *skb, struct nlmsghdr *nlh) return -EPERM; ret = nlmsg_parse(nlh, sizeof(*dcb), tb, DCB_ATTR_MAX, - dcbnl_rtnl_policy); + dcbnl_rtnl_policy, NULL); if (ret < 0) return ret; diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c index 8fdd9f492b0e..e65f1be44e8e 100644 --- a/net/decnet/dn_dev.c +++ b/net/decnet/dn_dev.c @@ -581,7 +581,7 @@ static int dn_nl_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh) if (!net_eq(net, &init_net)) goto errout; - err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, dn_ifa_policy); + err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, dn_ifa_policy, NULL); if (err < 0) goto errout; @@ -625,7 +625,7 @@ static int dn_nl_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh) if (!net_eq(net, &init_net)) return -EINVAL; - err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, dn_ifa_policy); + err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, dn_ifa_policy, NULL); if (err < 0) return err; diff --git a/net/decnet/dn_fib.c b/net/decnet/dn_fib.c index 7af0ba6157a1..34663bf8aa6d 100644 --- a/net/decnet/dn_fib.c +++ b/net/decnet/dn_fib.c @@ -515,7 +515,8 @@ static int dn_fib_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh) if (!net_eq(net, &init_net)) return -EINVAL; - err = nlmsg_parse(nlh, sizeof(*r), attrs, RTA_MAX, rtm_dn_policy); + err = nlmsg_parse(nlh, sizeof(*r), attrs, RTA_MAX, rtm_dn_policy, + NULL); if (err < 0) return err; @@ -540,7 +541,8 @@ static int dn_fib_rtm_newroute(struct sk_buff *skb, struct nlmsghdr *nlh) if (!net_eq(net, &init_net)) return -EINVAL; - err = nlmsg_parse(nlh, sizeof(*r), attrs, RTA_MAX, rtm_dn_policy); + err = nlmsg_parse(nlh, sizeof(*r), attrs, RTA_MAX, rtm_dn_policy, + NULL); if (err < 0) return err; diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c index b1dc096d22f8..2d7097bbc666 100644 --- a/net/decnet/dn_route.c +++ b/net/decnet/dn_route.c @@ -1654,7 +1654,7 @@ static int dn_cache_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh) if (!net_eq(net, &init_net)) return -EINVAL; - err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_dn_policy); + err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_dn_policy, NULL); if (err < 0) return err; diff --git a/net/decnet/netfilter/dn_rtmsg.c b/net/decnet/netfilter/dn_rtmsg.c index 85f2fdc360c2..c8bf5136a72b 100644 --- a/net/decnet/netfilter/dn_rtmsg.c +++ b/net/decnet/netfilter/dn_rtmsg.c @@ -96,7 +96,7 @@ static unsigned int dnrmg_hook(void *priv, } -#define RCV_SKB_FAIL(err) do { netlink_ack(skb, nlh, (err)); return; } while (0) +#define RCV_SKB_FAIL(err) do { netlink_ack(skb, nlh, (err), NULL); return; } while (0) static inline void dnrmg_receive_user_skb(struct sk_buff *skb) { diff --git a/net/dsa/Makefile b/net/dsa/Makefile index 9b1d478f3713..11a082d7e103 100644 --- a/net/dsa/Makefile +++ b/net/dsa/Makefile @@ -1,6 +1,6 @@ # the core obj-$(CONFIG_NET_DSA) += dsa_core.o -dsa_core-y += dsa.o slave.o dsa2.o switch.o +dsa_core-y += dsa.o slave.o dsa2.o switch.o legacy.o # tagging formats dsa_core-$(CONFIG_NET_DSA_TAG_BRCM) += tag_brcm.o diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 1fb9cf7aaaf4..e117047174fc 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -61,59 +61,6 @@ const struct dsa_device_ops *dsa_device_ops[DSA_TAG_LAST] = { [DSA_TAG_PROTO_NONE] = &none_ops, }; -/* switch driver registration ***********************************************/ -static DEFINE_MUTEX(dsa_switch_drivers_mutex); -static LIST_HEAD(dsa_switch_drivers); - -void register_switch_driver(struct dsa_switch_driver *drv) -{ - mutex_lock(&dsa_switch_drivers_mutex); - list_add_tail(&drv->list, &dsa_switch_drivers); - mutex_unlock(&dsa_switch_drivers_mutex); -} -EXPORT_SYMBOL_GPL(register_switch_driver); - -void unregister_switch_driver(struct dsa_switch_driver *drv) -{ - mutex_lock(&dsa_switch_drivers_mutex); - list_del_init(&drv->list); - mutex_unlock(&dsa_switch_drivers_mutex); -} -EXPORT_SYMBOL_GPL(unregister_switch_driver); - -static const struct dsa_switch_ops * -dsa_switch_probe(struct device *parent, struct device *host_dev, int sw_addr, - const char **_name, void **priv) -{ - const struct dsa_switch_ops *ret; - struct list_head *list; - const char *name; - - ret = NULL; - name = NULL; - - mutex_lock(&dsa_switch_drivers_mutex); - list_for_each(list, &dsa_switch_drivers) { - const struct dsa_switch_ops *ops; - struct dsa_switch_driver *drv; - - drv = list_entry(list, struct dsa_switch_driver, list); - ops = drv->ops; - - name = ops->probe(parent, host_dev, sw_addr, priv); - if (name != NULL) { - ret = ops; - break; - } - } - mutex_unlock(&dsa_switch_drivers_mutex); - - *_name = name; - - return ret; -} - -/* basic switch operations **************************************************/ int dsa_cpu_dsa_setup(struct dsa_switch *ds, struct device *dev, struct dsa_port *dport, int port) { @@ -145,23 +92,6 @@ int dsa_cpu_dsa_setup(struct dsa_switch *ds, struct device *dev, return 0; } -static int dsa_cpu_dsa_setups(struct dsa_switch *ds, struct device *dev) -{ - struct dsa_port *dport; - int ret, port; - - for (port = 0; port < ds->num_ports; port++) { - if (!(dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port))) - continue; - - dport = &ds->ports[port]; - ret = dsa_cpu_dsa_setup(ds, dev, dport, port); - if (ret) - return ret; - } - return 0; -} - const struct dsa_device_ops *dsa_resolve_tag_protocol(int tag_protocol) { const struct dsa_device_ops *ops; @@ -211,168 +141,6 @@ void dsa_cpu_port_ethtool_restore(struct dsa_switch *ds) master->ethtool_ops = ds->dst->master_orig_ethtool_ops; } -static int dsa_switch_setup_one(struct dsa_switch *ds, struct device *parent) -{ - const struct dsa_switch_ops *ops = ds->ops; - struct dsa_switch_tree *dst = ds->dst; - struct dsa_chip_data *cd = ds->cd; - bool valid_name_found = false; - int index = ds->index; - int i, ret; - - /* - * Validate supplied switch configuration. - */ - for (i = 0; i < ds->num_ports; i++) { - char *name; - - name = cd->port_names[i]; - if (name == NULL) - continue; - - if (!strcmp(name, "cpu")) { - if (dst->cpu_switch) { - netdev_err(dst->master_netdev, - "multiple cpu ports?!\n"); - return -EINVAL; - } - dst->cpu_switch = ds; - dst->cpu_port = i; - ds->cpu_port_mask |= 1 << i; - } else if (!strcmp(name, "dsa")) { - ds->dsa_port_mask |= 1 << i; - } else { - ds->enabled_port_mask |= 1 << i; - } - valid_name_found = true; - } - - if (!valid_name_found && i == ds->num_ports) - return -EINVAL; - - /* Make the built-in MII bus mask match the number of ports, - * switch drivers can override this later - */ - ds->phys_mii_mask = ds->enabled_port_mask; - - /* - * If the CPU connects to this switch, set the switch tree - * tagging protocol to the preferred tagging format of this - * switch. - */ - if (dst->cpu_switch == ds) { - enum dsa_tag_protocol tag_protocol; - - tag_protocol = ops->get_tag_protocol(ds); - dst->tag_ops = dsa_resolve_tag_protocol(tag_protocol); - if (IS_ERR(dst->tag_ops)) - return PTR_ERR(dst->tag_ops); - - dst->rcv = dst->tag_ops->rcv; - } - - memcpy(ds->rtable, cd->rtable, sizeof(ds->rtable)); - - /* - * Do basic register setup. - */ - ret = ops->setup(ds); - if (ret < 0) - return ret; - - ret = dsa_switch_register_notifier(ds); - if (ret) - return ret; - - if (ops->set_addr) { - ret = ops->set_addr(ds, dst->master_netdev->dev_addr); - if (ret < 0) - return ret; - } - - if (!ds->slave_mii_bus && ops->phy_read) { - ds->slave_mii_bus = devm_mdiobus_alloc(parent); - if (!ds->slave_mii_bus) - return -ENOMEM; - dsa_slave_mii_bus_init(ds); - - ret = mdiobus_register(ds->slave_mii_bus); - if (ret < 0) - return ret; - } - - /* - * Create network devices for physical switch ports. - */ - for (i = 0; i < ds->num_ports; i++) { - ds->ports[i].dn = cd->port_dn[i]; - - if (!(ds->enabled_port_mask & (1 << i))) - continue; - - ret = dsa_slave_create(ds, parent, i, cd->port_names[i]); - if (ret < 0) - netdev_err(dst->master_netdev, "[%d]: can't create dsa slave device for port %d(%s): %d\n", - index, i, cd->port_names[i], ret); - } - - /* Perform configuration of the CPU and DSA ports */ - ret = dsa_cpu_dsa_setups(ds, parent); - if (ret < 0) - netdev_err(dst->master_netdev, "[%d] : can't configure CPU and DSA ports\n", - index); - - ret = dsa_cpu_port_ethtool_setup(ds); - if (ret) - return ret; - - return 0; -} - -static struct dsa_switch * -dsa_switch_setup(struct dsa_switch_tree *dst, int index, - struct device *parent, struct device *host_dev) -{ - struct dsa_chip_data *cd = dst->pd->chip + index; - const struct dsa_switch_ops *ops; - struct dsa_switch *ds; - int ret; - const char *name; - void *priv; - - /* - * Probe for switch model. - */ - ops = dsa_switch_probe(parent, host_dev, cd->sw_addr, &name, &priv); - if (!ops) { - netdev_err(dst->master_netdev, "[%d]: could not detect attached switch\n", - index); - return ERR_PTR(-EINVAL); - } - netdev_info(dst->master_netdev, "[%d]: detected a %s switch\n", - index, name); - - - /* - * Allocate and initialise switch state. - */ - ds = dsa_switch_alloc(parent, DSA_MAX_PORTS); - if (!ds) - return ERR_PTR(-ENOMEM); - - ds->dst = dst; - ds->index = index; - ds->cd = cd; - ds->ops = ops; - ds->priv = priv; - - ret = dsa_switch_setup_one(ds, parent); - if (ret) - return ERR_PTR(ret); - - return ds; -} - void dsa_cpu_dsa_destroy(struct dsa_port *port) { struct device_node *port_dn = port->dn; @@ -381,86 +149,6 @@ void dsa_cpu_dsa_destroy(struct dsa_port *port) of_phy_deregister_fixed_link(port_dn); } -static void dsa_switch_destroy(struct dsa_switch *ds) -{ - int port; - - /* Destroy network devices for physical switch ports. */ - for (port = 0; port < ds->num_ports; port++) { - if (!(ds->enabled_port_mask & (1 << port))) - continue; - - if (!ds->ports[port].netdev) - continue; - - dsa_slave_destroy(ds->ports[port].netdev); - } - - /* Disable configuration of the CPU and DSA ports */ - for (port = 0; port < ds->num_ports; port++) { - if (!(dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port))) - continue; - dsa_cpu_dsa_destroy(&ds->ports[port]); - - /* Clearing a bit which is not set does no harm */ - ds->cpu_port_mask |= ~(1 << port); - ds->dsa_port_mask |= ~(1 << port); - } - - if (ds->slave_mii_bus && ds->ops->phy_read) - mdiobus_unregister(ds->slave_mii_bus); - - dsa_switch_unregister_notifier(ds); -} - -#ifdef CONFIG_PM_SLEEP -int dsa_switch_suspend(struct dsa_switch *ds) -{ - int i, ret = 0; - - /* Suspend slave network devices */ - for (i = 0; i < ds->num_ports; i++) { - if (!dsa_is_port_initialized(ds, i)) - continue; - - ret = dsa_slave_suspend(ds->ports[i].netdev); - if (ret) - return ret; - } - - if (ds->ops->suspend) - ret = ds->ops->suspend(ds); - - return ret; -} -EXPORT_SYMBOL_GPL(dsa_switch_suspend); - -int dsa_switch_resume(struct dsa_switch *ds) -{ - int i, ret = 0; - - if (ds->ops->resume) - ret = ds->ops->resume(ds); - - if (ret) - return ret; - - /* Resume slave network devices */ - for (i = 0; i < ds->num_ports; i++) { - if (!dsa_is_port_initialized(ds, i)) - continue; - - ret = dsa_slave_resume(ds->ports[i].netdev); - if (ret) - return ret; - } - - return 0; -} -EXPORT_SYMBOL_GPL(dsa_switch_resume); -#endif - -/* platform driver init and cleanup *****************************************/ static int dev_is_class(struct device *dev, void *class) { if (dev->class != NULL && !strcmp(dev->class->name, class)) @@ -479,24 +167,6 @@ static struct device *dev_find_class(struct device *parent, char *class) return device_find_child(parent, class, dev_is_class); } -struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev) -{ - struct device *d; - - d = dev_find_class(dev, "mdio_bus"); - if (d != NULL) { - struct mii_bus *bus; - - bus = to_mii_bus(d); - put_device(d); - - return bus; - } - - return NULL; -} -EXPORT_SYMBOL_GPL(dsa_host_dev_to_mii_bus); - struct net_device *dsa_dev_to_net_device(struct device *dev) { struct device *d; @@ -516,387 +186,6 @@ struct net_device *dsa_dev_to_net_device(struct device *dev) } EXPORT_SYMBOL_GPL(dsa_dev_to_net_device); -#ifdef CONFIG_OF -static int dsa_of_setup_routing_table(struct dsa_platform_data *pd, - struct dsa_chip_data *cd, - int chip_index, int port_index, - struct device_node *link) -{ - const __be32 *reg; - int link_sw_addr; - struct device_node *parent_sw; - int len; - - parent_sw = of_get_parent(link); - if (!parent_sw) - return -EINVAL; - - reg = of_get_property(parent_sw, "reg", &len); - if (!reg || (len != sizeof(*reg) * 2)) - return -EINVAL; - - /* - * Get the destination switch number from the second field of its 'reg' - * property, i.e. for "reg = <0x19 1>" sw_addr is '1'. - */ - link_sw_addr = be32_to_cpup(reg + 1); - - if (link_sw_addr >= pd->nr_chips) - return -EINVAL; - - cd->rtable[link_sw_addr] = port_index; - - return 0; -} - -static int dsa_of_probe_links(struct dsa_platform_data *pd, - struct dsa_chip_data *cd, - int chip_index, int port_index, - struct device_node *port, - const char *port_name) -{ - struct device_node *link; - int link_index; - int ret; - - for (link_index = 0;; link_index++) { - link = of_parse_phandle(port, "link", link_index); - if (!link) - break; - - if (!strcmp(port_name, "dsa") && pd->nr_chips > 1) { - ret = dsa_of_setup_routing_table(pd, cd, chip_index, - port_index, link); - if (ret) - return ret; - } - } - return 0; -} - -static void dsa_of_free_platform_data(struct dsa_platform_data *pd) -{ - int i; - int port_index; - - for (i = 0; i < pd->nr_chips; i++) { - port_index = 0; - while (port_index < DSA_MAX_PORTS) { - kfree(pd->chip[i].port_names[port_index]); - port_index++; - } - - /* Drop our reference to the MDIO bus device */ - if (pd->chip[i].host_dev) - put_device(pd->chip[i].host_dev); - } - kfree(pd->chip); -} - -static int dsa_of_probe(struct device *dev) -{ - struct device_node *np = dev->of_node; - struct device_node *child, *mdio, *ethernet, *port; - struct mii_bus *mdio_bus, *mdio_bus_switch; - struct net_device *ethernet_dev; - struct dsa_platform_data *pd; - struct dsa_chip_data *cd; - const char *port_name; - int chip_index, port_index; - const unsigned int *sw_addr, *port_reg; - u32 eeprom_len; - int ret; - - mdio = of_parse_phandle(np, "dsa,mii-bus", 0); - if (!mdio) - return -EINVAL; - - mdio_bus = of_mdio_find_bus(mdio); - if (!mdio_bus) - return -EPROBE_DEFER; - - ethernet = of_parse_phandle(np, "dsa,ethernet", 0); - if (!ethernet) { - ret = -EINVAL; - goto out_put_mdio; - } - - ethernet_dev = of_find_net_device_by_node(ethernet); - if (!ethernet_dev) { - ret = -EPROBE_DEFER; - goto out_put_mdio; - } - - pd = kzalloc(sizeof(*pd), GFP_KERNEL); - if (!pd) { - ret = -ENOMEM; - goto out_put_ethernet; - } - - dev->platform_data = pd; - pd->of_netdev = ethernet_dev; - pd->nr_chips = of_get_available_child_count(np); - if (pd->nr_chips > DSA_MAX_SWITCHES) - pd->nr_chips = DSA_MAX_SWITCHES; - - pd->chip = kcalloc(pd->nr_chips, sizeof(struct dsa_chip_data), - GFP_KERNEL); - if (!pd->chip) { - ret = -ENOMEM; - goto out_free; - } - - chip_index = -1; - for_each_available_child_of_node(np, child) { - int i; - - chip_index++; - cd = &pd->chip[chip_index]; - - cd->of_node = child; - - /* Initialize the routing table */ - for (i = 0; i < DSA_MAX_SWITCHES; ++i) - cd->rtable[i] = DSA_RTABLE_NONE; - - /* When assigning the host device, increment its refcount */ - cd->host_dev = get_device(&mdio_bus->dev); - - sw_addr = of_get_property(child, "reg", NULL); - if (!sw_addr) - continue; - - cd->sw_addr = be32_to_cpup(sw_addr); - if (cd->sw_addr >= PHY_MAX_ADDR) - continue; - - if (!of_property_read_u32(child, "eeprom-length", &eeprom_len)) - cd->eeprom_len = eeprom_len; - - mdio = of_parse_phandle(child, "mii-bus", 0); - if (mdio) { - mdio_bus_switch = of_mdio_find_bus(mdio); - if (!mdio_bus_switch) { - ret = -EPROBE_DEFER; - goto out_free_chip; - } - - /* Drop the mdio_bus device ref, replacing the host - * device with the mdio_bus_switch device, keeping - * the refcount from of_mdio_find_bus() above. - */ - put_device(cd->host_dev); - cd->host_dev = &mdio_bus_switch->dev; - } - - for_each_available_child_of_node(child, port) { - port_reg = of_get_property(port, "reg", NULL); - if (!port_reg) - continue; - - port_index = be32_to_cpup(port_reg); - if (port_index >= DSA_MAX_PORTS) - break; - - port_name = of_get_property(port, "label", NULL); - if (!port_name) - continue; - - cd->port_dn[port_index] = port; - - cd->port_names[port_index] = kstrdup(port_name, - GFP_KERNEL); - if (!cd->port_names[port_index]) { - ret = -ENOMEM; - goto out_free_chip; - } - - ret = dsa_of_probe_links(pd, cd, chip_index, - port_index, port, port_name); - if (ret) - goto out_free_chip; - - } - } - - /* The individual chips hold their own refcount on the mdio bus, - * so drop ours */ - put_device(&mdio_bus->dev); - - return 0; - -out_free_chip: - dsa_of_free_platform_data(pd); -out_free: - kfree(pd); - dev->platform_data = NULL; -out_put_ethernet: - put_device(ðernet_dev->dev); -out_put_mdio: - put_device(&mdio_bus->dev); - return ret; -} - -static void dsa_of_remove(struct device *dev) -{ - struct dsa_platform_data *pd = dev->platform_data; - - if (!dev->of_node) - return; - - dsa_of_free_platform_data(pd); - put_device(&pd->of_netdev->dev); - kfree(pd); -} -#else -static inline int dsa_of_probe(struct device *dev) -{ - return 0; -} - -static inline void dsa_of_remove(struct device *dev) -{ -} -#endif - -static int dsa_setup_dst(struct dsa_switch_tree *dst, struct net_device *dev, - struct device *parent, struct dsa_platform_data *pd) -{ - int i; - unsigned configured = 0; - - dst->pd = pd; - dst->master_netdev = dev; - dst->cpu_port = -1; - - for (i = 0; i < pd->nr_chips; i++) { - struct dsa_switch *ds; - - ds = dsa_switch_setup(dst, i, parent, pd->chip[i].host_dev); - if (IS_ERR(ds)) { - netdev_err(dev, "[%d]: couldn't create dsa switch instance (error %ld)\n", - i, PTR_ERR(ds)); - continue; - } - - dst->ds[i] = ds; - - ++configured; - } - - /* - * If no switch was found, exit cleanly - */ - if (!configured) - return -EPROBE_DEFER; - - /* - * If we use a tagging format that doesn't have an ethertype - * field, make sure that all packets from this point on get - * sent to the tag format's receive function. - */ - wmb(); - dev->dsa_ptr = (void *)dst; - - return 0; -} - -static int dsa_probe(struct platform_device *pdev) -{ - struct dsa_platform_data *pd = pdev->dev.platform_data; - struct net_device *dev; - struct dsa_switch_tree *dst; - int ret; - - if (pdev->dev.of_node) { - ret = dsa_of_probe(&pdev->dev); - if (ret) - return ret; - - pd = pdev->dev.platform_data; - } - - if (pd == NULL || (pd->netdev == NULL && pd->of_netdev == NULL)) - return -EINVAL; - - if (pd->of_netdev) { - dev = pd->of_netdev; - dev_hold(dev); - } else { - dev = dsa_dev_to_net_device(pd->netdev); - } - if (dev == NULL) { - ret = -EPROBE_DEFER; - goto out; - } - - if (dev->dsa_ptr != NULL) { - dev_put(dev); - ret = -EEXIST; - goto out; - } - - dst = devm_kzalloc(&pdev->dev, sizeof(*dst), GFP_KERNEL); - if (dst == NULL) { - dev_put(dev); - ret = -ENOMEM; - goto out; - } - - platform_set_drvdata(pdev, dst); - - ret = dsa_setup_dst(dst, dev, &pdev->dev, pd); - if (ret) { - dev_put(dev); - goto out; - } - - return 0; - -out: - dsa_of_remove(&pdev->dev); - - return ret; -} - -static void dsa_remove_dst(struct dsa_switch_tree *dst) -{ - int i; - - dst->master_netdev->dsa_ptr = NULL; - - /* If we used a tagging format that doesn't have an ethertype - * field, make sure that all packets from this point get sent - * without the tag and go through the regular receive path. - */ - wmb(); - - for (i = 0; i < dst->pd->nr_chips; i++) { - struct dsa_switch *ds = dst->ds[i]; - - if (ds) - dsa_switch_destroy(ds); - } - - dsa_cpu_port_ethtool_restore(dst->cpu_switch); - - dev_put(dst->master_netdev); -} - -static int dsa_remove(struct platform_device *pdev) -{ - struct dsa_switch_tree *dst = platform_get_drvdata(pdev); - - dsa_remove_dst(dst); - dsa_of_remove(&pdev->dev); - - return 0; -} - -static void dsa_shutdown(struct platform_device *pdev) -{ -} - static int dsa_switch_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev) { @@ -936,59 +225,6 @@ static struct packet_type dsa_pack_type __read_mostly = { .func = dsa_switch_rcv, }; -#ifdef CONFIG_PM_SLEEP -static int dsa_suspend(struct device *d) -{ - struct platform_device *pdev = to_platform_device(d); - struct dsa_switch_tree *dst = platform_get_drvdata(pdev); - int i, ret = 0; - - for (i = 0; i < dst->pd->nr_chips; i++) { - struct dsa_switch *ds = dst->ds[i]; - - if (ds != NULL) - ret = dsa_switch_suspend(ds); - } - - return ret; -} - -static int dsa_resume(struct device *d) -{ - struct platform_device *pdev = to_platform_device(d); - struct dsa_switch_tree *dst = platform_get_drvdata(pdev); - int i, ret = 0; - - for (i = 0; i < dst->pd->nr_chips; i++) { - struct dsa_switch *ds = dst->ds[i]; - - if (ds != NULL) - ret = dsa_switch_resume(ds); - } - - return ret; -} -#endif - -static SIMPLE_DEV_PM_OPS(dsa_pm_ops, dsa_suspend, dsa_resume); - -static const struct of_device_id dsa_of_match_table[] = { - { .compatible = "marvell,dsa", }, - {} -}; -MODULE_DEVICE_TABLE(of, dsa_of_match_table); - -static struct platform_driver dsa_driver = { - .probe = dsa_probe, - .remove = dsa_remove, - .shutdown = dsa_shutdown, - .driver = { - .name = "dsa", - .of_match_table = dsa_of_match_table, - .pm = &dsa_pm_ops, - }, -}; - static int __init dsa_init_module(void) { int rc; @@ -997,7 +233,7 @@ static int __init dsa_init_module(void) if (rc) return rc; - rc = platform_driver_register(&dsa_driver); + rc = dsa_legacy_register(); if (rc) return rc; @@ -1011,7 +247,7 @@ static void __exit dsa_cleanup_module(void) { dsa_slave_unregister_notifier(); dev_remove_pack(&dsa_pack_type); - platform_driver_unregister(&dsa_driver); + dsa_legacy_unregister(); } module_exit(dsa_cleanup_module); diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h index 107138a55bd8..ab397c07880f 100644 --- a/net/dsa/dsa_priv.h +++ b/net/dsa/dsa_priv.h @@ -55,6 +55,10 @@ const struct dsa_device_ops *dsa_resolve_tag_protocol(int tag_protocol); int dsa_cpu_port_ethtool_setup(struct dsa_switch *ds); void dsa_cpu_port_ethtool_restore(struct dsa_switch *ds); +/* legacy.c */ +int dsa_legacy_register(void); +void dsa_legacy_unregister(void); + /* slave.c */ extern const struct dsa_device_ops notag_netdev_ops; void dsa_slave_mii_bus_init(struct dsa_switch *ds); diff --git a/net/dsa/legacy.c b/net/dsa/legacy.c new file mode 100644 index 000000000000..ad345c8b0b06 --- /dev/null +++ b/net/dsa/legacy.c @@ -0,0 +1,818 @@ +/* + * net/dsa/legacy.c - Hardware switch handling + * Copyright (c) 2008-2009 Marvell Semiconductor + * Copyright (c) 2013 Florian Fainelli <florian@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/device.h> +#include <linux/list.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_mdio.h> +#include <linux/of_platform.h> +#include <linux/of_net.h> +#include <linux/netdevice.h> +#include <linux/sysfs.h> +#include <linux/phy_fixed.h> +#include <linux/etherdevice.h> +#include <net/dsa.h> +#include "dsa_priv.h" + +/* switch driver registration ***********************************************/ +static DEFINE_MUTEX(dsa_switch_drivers_mutex); +static LIST_HEAD(dsa_switch_drivers); + +void register_switch_driver(struct dsa_switch_driver *drv) +{ + mutex_lock(&dsa_switch_drivers_mutex); + list_add_tail(&drv->list, &dsa_switch_drivers); + mutex_unlock(&dsa_switch_drivers_mutex); +} +EXPORT_SYMBOL_GPL(register_switch_driver); + +void unregister_switch_driver(struct dsa_switch_driver *drv) +{ + mutex_lock(&dsa_switch_drivers_mutex); + list_del_init(&drv->list); + mutex_unlock(&dsa_switch_drivers_mutex); +} +EXPORT_SYMBOL_GPL(unregister_switch_driver); + +static const struct dsa_switch_ops * +dsa_switch_probe(struct device *parent, struct device *host_dev, int sw_addr, + const char **_name, void **priv) +{ + const struct dsa_switch_ops *ret; + struct list_head *list; + const char *name; + + ret = NULL; + name = NULL; + + mutex_lock(&dsa_switch_drivers_mutex); + list_for_each(list, &dsa_switch_drivers) { + const struct dsa_switch_ops *ops; + struct dsa_switch_driver *drv; + + drv = list_entry(list, struct dsa_switch_driver, list); + ops = drv->ops; + + name = ops->probe(parent, host_dev, sw_addr, priv); + if (name != NULL) { + ret = ops; + break; + } + } + mutex_unlock(&dsa_switch_drivers_mutex); + + *_name = name; + + return ret; +} + +/* basic switch operations **************************************************/ +static int dsa_cpu_dsa_setups(struct dsa_switch *ds, struct device *dev) +{ + struct dsa_port *dport; + int ret, port; + + for (port = 0; port < ds->num_ports; port++) { + if (!(dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port))) + continue; + + dport = &ds->ports[port]; + ret = dsa_cpu_dsa_setup(ds, dev, dport, port); + if (ret) + return ret; + } + return 0; +} + +static int dsa_switch_setup_one(struct dsa_switch *ds, struct device *parent) +{ + const struct dsa_switch_ops *ops = ds->ops; + struct dsa_switch_tree *dst = ds->dst; + struct dsa_chip_data *cd = ds->cd; + bool valid_name_found = false; + int index = ds->index; + int i, ret; + + /* + * Validate supplied switch configuration. + */ + for (i = 0; i < ds->num_ports; i++) { + char *name; + + name = cd->port_names[i]; + if (name == NULL) + continue; + + if (!strcmp(name, "cpu")) { + if (dst->cpu_switch) { + netdev_err(dst->master_netdev, + "multiple cpu ports?!\n"); + return -EINVAL; + } + dst->cpu_switch = ds; + dst->cpu_port = i; + ds->cpu_port_mask |= 1 << i; + } else if (!strcmp(name, "dsa")) { + ds->dsa_port_mask |= 1 << i; + } else { + ds->enabled_port_mask |= 1 << i; + } + valid_name_found = true; + } + + if (!valid_name_found && i == ds->num_ports) + return -EINVAL; + + /* Make the built-in MII bus mask match the number of ports, + * switch drivers can override this later + */ + ds->phys_mii_mask = ds->enabled_port_mask; + + /* + * If the CPU connects to this switch, set the switch tree + * tagging protocol to the preferred tagging format of this + * switch. + */ + if (dst->cpu_switch == ds) { + enum dsa_tag_protocol tag_protocol; + + tag_protocol = ops->get_tag_protocol(ds); + dst->tag_ops = dsa_resolve_tag_protocol(tag_protocol); + if (IS_ERR(dst->tag_ops)) + return PTR_ERR(dst->tag_ops); + + dst->rcv = dst->tag_ops->rcv; + } + + memcpy(ds->rtable, cd->rtable, sizeof(ds->rtable)); + + /* + * Do basic register setup. + */ + ret = ops->setup(ds); + if (ret < 0) + return ret; + + ret = dsa_switch_register_notifier(ds); + if (ret) + return ret; + + if (ops->set_addr) { + ret = ops->set_addr(ds, dst->master_netdev->dev_addr); + if (ret < 0) + return ret; + } + + if (!ds->slave_mii_bus && ops->phy_read) { + ds->slave_mii_bus = devm_mdiobus_alloc(parent); + if (!ds->slave_mii_bus) + return -ENOMEM; + dsa_slave_mii_bus_init(ds); + + ret = mdiobus_register(ds->slave_mii_bus); + if (ret < 0) + return ret; + } + + /* + * Create network devices for physical switch ports. + */ + for (i = 0; i < ds->num_ports; i++) { + ds->ports[i].dn = cd->port_dn[i]; + + if (!(ds->enabled_port_mask & (1 << i))) + continue; + + ret = dsa_slave_create(ds, parent, i, cd->port_names[i]); + if (ret < 0) + netdev_err(dst->master_netdev, "[%d]: can't create dsa slave device for port %d(%s): %d\n", + index, i, cd->port_names[i], ret); + } + + /* Perform configuration of the CPU and DSA ports */ + ret = dsa_cpu_dsa_setups(ds, parent); + if (ret < 0) + netdev_err(dst->master_netdev, "[%d] : can't configure CPU and DSA ports\n", + index); + + ret = dsa_cpu_port_ethtool_setup(ds); + if (ret) + return ret; + + return 0; +} + +static struct dsa_switch * +dsa_switch_setup(struct dsa_switch_tree *dst, int index, + struct device *parent, struct device *host_dev) +{ + struct dsa_chip_data *cd = dst->pd->chip + index; + const struct dsa_switch_ops *ops; + struct dsa_switch *ds; + int ret; + const char *name; + void *priv; + + /* + * Probe for switch model. + */ + ops = dsa_switch_probe(parent, host_dev, cd->sw_addr, &name, &priv); + if (!ops) { + netdev_err(dst->master_netdev, "[%d]: could not detect attached switch\n", + index); + return ERR_PTR(-EINVAL); + } + netdev_info(dst->master_netdev, "[%d]: detected a %s switch\n", + index, name); + + + /* + * Allocate and initialise switch state. + */ + ds = dsa_switch_alloc(parent, DSA_MAX_PORTS); + if (!ds) + return ERR_PTR(-ENOMEM); + + ds->dst = dst; + ds->index = index; + ds->cd = cd; + ds->ops = ops; + ds->priv = priv; + + ret = dsa_switch_setup_one(ds, parent); + if (ret) + return ERR_PTR(ret); + + return ds; +} + +static void dsa_switch_destroy(struct dsa_switch *ds) +{ + int port; + + /* Destroy network devices for physical switch ports. */ + for (port = 0; port < ds->num_ports; port++) { + if (!(ds->enabled_port_mask & (1 << port))) + continue; + + if (!ds->ports[port].netdev) + continue; + + dsa_slave_destroy(ds->ports[port].netdev); + } + + /* Disable configuration of the CPU and DSA ports */ + for (port = 0; port < ds->num_ports; port++) { + if (!(dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port))) + continue; + dsa_cpu_dsa_destroy(&ds->ports[port]); + + /* Clearing a bit which is not set does no harm */ + ds->cpu_port_mask |= ~(1 << port); + ds->dsa_port_mask |= ~(1 << port); + } + + if (ds->slave_mii_bus && ds->ops->phy_read) + mdiobus_unregister(ds->slave_mii_bus); + + dsa_switch_unregister_notifier(ds); +} + +#ifdef CONFIG_PM_SLEEP +int dsa_switch_suspend(struct dsa_switch *ds) +{ + int i, ret = 0; + + /* Suspend slave network devices */ + for (i = 0; i < ds->num_ports; i++) { + if (!dsa_is_port_initialized(ds, i)) + continue; + + ret = dsa_slave_suspend(ds->ports[i].netdev); + if (ret) + return ret; + } + + if (ds->ops->suspend) + ret = ds->ops->suspend(ds); + + return ret; +} +EXPORT_SYMBOL_GPL(dsa_switch_suspend); + +int dsa_switch_resume(struct dsa_switch *ds) +{ + int i, ret = 0; + + if (ds->ops->resume) + ret = ds->ops->resume(ds); + + if (ret) + return ret; + + /* Resume slave network devices */ + for (i = 0; i < ds->num_ports; i++) { + if (!dsa_is_port_initialized(ds, i)) + continue; + + ret = dsa_slave_resume(ds->ports[i].netdev); + if (ret) + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(dsa_switch_resume); +#endif + +/* platform driver init and cleanup *****************************************/ +static int dev_is_class(struct device *dev, void *class) +{ + if (dev->class != NULL && !strcmp(dev->class->name, class)) + return 1; + + return 0; +} + +static struct device *dev_find_class(struct device *parent, char *class) +{ + if (dev_is_class(parent, class)) { + get_device(parent); + return parent; + } + + return device_find_child(parent, class, dev_is_class); +} + +struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev) +{ + struct device *d; + + d = dev_find_class(dev, "mdio_bus"); + if (d != NULL) { + struct mii_bus *bus; + + bus = to_mii_bus(d); + put_device(d); + + return bus; + } + + return NULL; +} +EXPORT_SYMBOL_GPL(dsa_host_dev_to_mii_bus); + +#ifdef CONFIG_OF +static int dsa_of_setup_routing_table(struct dsa_platform_data *pd, + struct dsa_chip_data *cd, + int chip_index, int port_index, + struct device_node *link) +{ + const __be32 *reg; + int link_sw_addr; + struct device_node *parent_sw; + int len; + + parent_sw = of_get_parent(link); + if (!parent_sw) + return -EINVAL; + + reg = of_get_property(parent_sw, "reg", &len); + if (!reg || (len != sizeof(*reg) * 2)) + return -EINVAL; + + /* + * Get the destination switch number from the second field of its 'reg' + * property, i.e. for "reg = <0x19 1>" sw_addr is '1'. + */ + link_sw_addr = be32_to_cpup(reg + 1); + + if (link_sw_addr >= pd->nr_chips) + return -EINVAL; + + cd->rtable[link_sw_addr] = port_index; + + return 0; +} + +static int dsa_of_probe_links(struct dsa_platform_data *pd, + struct dsa_chip_data *cd, + int chip_index, int port_index, + struct device_node *port, + const char *port_name) +{ + struct device_node *link; + int link_index; + int ret; + + for (link_index = 0;; link_index++) { + link = of_parse_phandle(port, "link", link_index); + if (!link) + break; + + if (!strcmp(port_name, "dsa") && pd->nr_chips > 1) { + ret = dsa_of_setup_routing_table(pd, cd, chip_index, + port_index, link); + if (ret) + return ret; + } + } + return 0; +} + +static void dsa_of_free_platform_data(struct dsa_platform_data *pd) +{ + int i; + int port_index; + + for (i = 0; i < pd->nr_chips; i++) { + port_index = 0; + while (port_index < DSA_MAX_PORTS) { + kfree(pd->chip[i].port_names[port_index]); + port_index++; + } + + /* Drop our reference to the MDIO bus device */ + if (pd->chip[i].host_dev) + put_device(pd->chip[i].host_dev); + } + kfree(pd->chip); +} + +static int dsa_of_probe(struct device *dev) +{ + struct device_node *np = dev->of_node; + struct device_node *child, *mdio, *ethernet, *port; + struct mii_bus *mdio_bus, *mdio_bus_switch; + struct net_device *ethernet_dev; + struct dsa_platform_data *pd; + struct dsa_chip_data *cd; + const char *port_name; + int chip_index, port_index; + const unsigned int *sw_addr, *port_reg; + u32 eeprom_len; + int ret; + + mdio = of_parse_phandle(np, "dsa,mii-bus", 0); + if (!mdio) + return -EINVAL; + + mdio_bus = of_mdio_find_bus(mdio); + if (!mdio_bus) + return -EPROBE_DEFER; + + ethernet = of_parse_phandle(np, "dsa,ethernet", 0); + if (!ethernet) { + ret = -EINVAL; + goto out_put_mdio; + } + + ethernet_dev = of_find_net_device_by_node(ethernet); + if (!ethernet_dev) { + ret = -EPROBE_DEFER; + goto out_put_mdio; + } + + pd = kzalloc(sizeof(*pd), GFP_KERNEL); + if (!pd) { + ret = -ENOMEM; + goto out_put_ethernet; + } + + dev->platform_data = pd; + pd->of_netdev = ethernet_dev; + pd->nr_chips = of_get_available_child_count(np); + if (pd->nr_chips > DSA_MAX_SWITCHES) + pd->nr_chips = DSA_MAX_SWITCHES; + + pd->chip = kcalloc(pd->nr_chips, sizeof(struct dsa_chip_data), + GFP_KERNEL); + if (!pd->chip) { + ret = -ENOMEM; + goto out_free; + } + + chip_index = -1; + for_each_available_child_of_node(np, child) { + int i; + + chip_index++; + cd = &pd->chip[chip_index]; + + cd->of_node = child; + + /* Initialize the routing table */ + for (i = 0; i < DSA_MAX_SWITCHES; ++i) + cd->rtable[i] = DSA_RTABLE_NONE; + + /* When assigning the host device, increment its refcount */ + cd->host_dev = get_device(&mdio_bus->dev); + + sw_addr = of_get_property(child, "reg", NULL); + if (!sw_addr) + continue; + + cd->sw_addr = be32_to_cpup(sw_addr); + if (cd->sw_addr >= PHY_MAX_ADDR) + continue; + + if (!of_property_read_u32(child, "eeprom-length", &eeprom_len)) + cd->eeprom_len = eeprom_len; + + mdio = of_parse_phandle(child, "mii-bus", 0); + if (mdio) { + mdio_bus_switch = of_mdio_find_bus(mdio); + if (!mdio_bus_switch) { + ret = -EPROBE_DEFER; + goto out_free_chip; + } + + /* Drop the mdio_bus device ref, replacing the host + * device with the mdio_bus_switch device, keeping + * the refcount from of_mdio_find_bus() above. + */ + put_device(cd->host_dev); + cd->host_dev = &mdio_bus_switch->dev; + } + + for_each_available_child_of_node(child, port) { + port_reg = of_get_property(port, "reg", NULL); + if (!port_reg) + continue; + + port_index = be32_to_cpup(port_reg); + if (port_index >= DSA_MAX_PORTS) + break; + + port_name = of_get_property(port, "label", NULL); + if (!port_name) + continue; + + cd->port_dn[port_index] = port; + + cd->port_names[port_index] = kstrdup(port_name, + GFP_KERNEL); + if (!cd->port_names[port_index]) { + ret = -ENOMEM; + goto out_free_chip; + } + + ret = dsa_of_probe_links(pd, cd, chip_index, + port_index, port, port_name); + if (ret) + goto out_free_chip; + + } + } + + /* The individual chips hold their own refcount on the mdio bus, + * so drop ours */ + put_device(&mdio_bus->dev); + + return 0; + +out_free_chip: + dsa_of_free_platform_data(pd); +out_free: + kfree(pd); + dev->platform_data = NULL; +out_put_ethernet: + put_device(ðernet_dev->dev); +out_put_mdio: + put_device(&mdio_bus->dev); + return ret; +} + +static void dsa_of_remove(struct device *dev) +{ + struct dsa_platform_data *pd = dev->platform_data; + + if (!dev->of_node) + return; + + dsa_of_free_platform_data(pd); + put_device(&pd->of_netdev->dev); + kfree(pd); +} +#else +static inline int dsa_of_probe(struct device *dev) +{ + return 0; +} + +static inline void dsa_of_remove(struct device *dev) +{ +} +#endif + +static int dsa_setup_dst(struct dsa_switch_tree *dst, struct net_device *dev, + struct device *parent, struct dsa_platform_data *pd) +{ + int i; + unsigned configured = 0; + + dst->pd = pd; + dst->master_netdev = dev; + dst->cpu_port = -1; + + for (i = 0; i < pd->nr_chips; i++) { + struct dsa_switch *ds; + + ds = dsa_switch_setup(dst, i, parent, pd->chip[i].host_dev); + if (IS_ERR(ds)) { + netdev_err(dev, "[%d]: couldn't create dsa switch instance (error %ld)\n", + i, PTR_ERR(ds)); + continue; + } + + dst->ds[i] = ds; + + ++configured; + } + + /* + * If no switch was found, exit cleanly + */ + if (!configured) + return -EPROBE_DEFER; + + /* + * If we use a tagging format that doesn't have an ethertype + * field, make sure that all packets from this point on get + * sent to the tag format's receive function. + */ + wmb(); + dev->dsa_ptr = (void *)dst; + + return 0; +} + +static int dsa_probe(struct platform_device *pdev) +{ + struct dsa_platform_data *pd = pdev->dev.platform_data; + struct net_device *dev; + struct dsa_switch_tree *dst; + int ret; + + if (pdev->dev.of_node) { + ret = dsa_of_probe(&pdev->dev); + if (ret) + return ret; + + pd = pdev->dev.platform_data; + } + + if (pd == NULL || (pd->netdev == NULL && pd->of_netdev == NULL)) + return -EINVAL; + + if (pd->of_netdev) { + dev = pd->of_netdev; + dev_hold(dev); + } else { + dev = dsa_dev_to_net_device(pd->netdev); + } + if (dev == NULL) { + ret = -EPROBE_DEFER; + goto out; + } + + if (dev->dsa_ptr != NULL) { + dev_put(dev); + ret = -EEXIST; + goto out; + } + + dst = devm_kzalloc(&pdev->dev, sizeof(*dst), GFP_KERNEL); + if (dst == NULL) { + dev_put(dev); + ret = -ENOMEM; + goto out; + } + + platform_set_drvdata(pdev, dst); + + ret = dsa_setup_dst(dst, dev, &pdev->dev, pd); + if (ret) { + dev_put(dev); + goto out; + } + + return 0; + +out: + dsa_of_remove(&pdev->dev); + + return ret; +} + +static void dsa_remove_dst(struct dsa_switch_tree *dst) +{ + int i; + + dst->master_netdev->dsa_ptr = NULL; + + /* If we used a tagging format that doesn't have an ethertype + * field, make sure that all packets from this point get sent + * without the tag and go through the regular receive path. + */ + wmb(); + + for (i = 0; i < dst->pd->nr_chips; i++) { + struct dsa_switch *ds = dst->ds[i]; + + if (ds) + dsa_switch_destroy(ds); + } + + dsa_cpu_port_ethtool_restore(dst->cpu_switch); + + dev_put(dst->master_netdev); +} + +static int dsa_remove(struct platform_device *pdev) +{ + struct dsa_switch_tree *dst = platform_get_drvdata(pdev); + + dsa_remove_dst(dst); + dsa_of_remove(&pdev->dev); + + return 0; +} + +static void dsa_shutdown(struct platform_device *pdev) +{ +} + +#ifdef CONFIG_PM_SLEEP +static int dsa_suspend(struct device *d) +{ + struct platform_device *pdev = to_platform_device(d); + struct dsa_switch_tree *dst = platform_get_drvdata(pdev); + int i, ret = 0; + + for (i = 0; i < dst->pd->nr_chips; i++) { + struct dsa_switch *ds = dst->ds[i]; + + if (ds != NULL) + ret = dsa_switch_suspend(ds); + } + + return ret; +} + +static int dsa_resume(struct device *d) +{ + struct platform_device *pdev = to_platform_device(d); + struct dsa_switch_tree *dst = platform_get_drvdata(pdev); + int i, ret = 0; + + for (i = 0; i < dst->pd->nr_chips; i++) { + struct dsa_switch *ds = dst->ds[i]; + + if (ds != NULL) + ret = dsa_switch_resume(ds); + } + + return ret; +} +#endif + +static SIMPLE_DEV_PM_OPS(dsa_pm_ops, dsa_suspend, dsa_resume); + +static const struct of_device_id dsa_of_match_table[] = { + { .compatible = "marvell,dsa", }, + {} +}; +MODULE_DEVICE_TABLE(of, dsa_of_match_table); + +static struct platform_driver dsa_driver = { + .probe = dsa_probe, + .remove = dsa_remove, + .shutdown = dsa_shutdown, + .driver = { + .name = "dsa", + .of_match_table = dsa_of_match_table, + .pm = &dsa_pm_ops, + }, +}; + +int dsa_legacy_register(void) +{ + return platform_driver_register(&dsa_driver); +} + +void dsa_legacy_unregister(void) +{ + platform_driver_unregister(&dsa_driver); +} diff --git a/net/hsr/hsr_netlink.c b/net/hsr/hsr_netlink.c index 1ab30e7d3f99..81dac16933fc 100644 --- a/net/hsr/hsr_netlink.c +++ b/net/hsr/hsr_netlink.c @@ -350,7 +350,7 @@ static int hsr_get_node_status(struct sk_buff *skb_in, struct genl_info *info) return 0; invalid: - netlink_ack(skb_in, nlmsg_hdr(skb_in), -EINVAL); + netlink_ack(skb_in, nlmsg_hdr(skb_in), -EINVAL, NULL); return 0; nla_put_failure: @@ -432,7 +432,7 @@ static int hsr_get_node_list(struct sk_buff *skb_in, struct genl_info *info) return 0; invalid: - netlink_ack(skb_in, nlmsg_hdr(skb_in), -EINVAL); + netlink_ack(skb_in, nlmsg_hdr(skb_in), -EINVAL, NULL); return 0; nla_put_failure: diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index fc60cd061f39..99f6c254ea77 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -249,8 +249,7 @@ nl802154_prepare_wpan_dev_dump(struct sk_buff *skb, if (!cb->args[0]) { err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl802154_fam.hdrsize, genl_family_attrbuf(&nl802154_fam), - nl802154_fam.maxattr, - nl802154_policy); + nl802154_fam.maxattr, nl802154_policy, NULL); if (err) goto out_unlock; @@ -562,8 +561,8 @@ static int nl802154_dump_wpan_phy_parse(struct sk_buff *skb, struct nl802154_dump_wpan_phy_state *state) { struct nlattr **tb = genl_family_attrbuf(&nl802154_fam); - int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl802154_fam.hdrsize, - tb, nl802154_fam.maxattr, nl802154_policy); + int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl802154_fam.hdrsize, tb, + nl802154_fam.maxattr, nl802154_policy, NULL); /* TODO check if we can handle error here, * we have no backward compatibility @@ -1308,7 +1307,7 @@ ieee802154_llsec_parse_dev_addr(struct nlattr *nla, struct nlattr *attrs[NL802154_DEV_ADDR_ATTR_MAX + 1]; if (!nla || nla_parse_nested(attrs, NL802154_DEV_ADDR_ATTR_MAX, nla, - nl802154_dev_addr_policy)) + nl802154_dev_addr_policy, NULL)) return -EINVAL; if (!attrs[NL802154_DEV_ADDR_ATTR_PAN_ID] || @@ -1348,7 +1347,7 @@ ieee802154_llsec_parse_key_id(struct nlattr *nla, struct nlattr *attrs[NL802154_KEY_ID_ATTR_MAX + 1]; if (!nla || nla_parse_nested(attrs, NL802154_KEY_ID_ATTR_MAX, nla, - nl802154_key_id_policy)) + nl802154_key_id_policy, NULL)) return -EINVAL; if (!attrs[NL802154_KEY_ID_ATTR_MODE]) @@ -1565,7 +1564,7 @@ static int nl802154_add_llsec_key(struct sk_buff *skb, struct genl_info *info) if (nla_parse_nested(attrs, NL802154_KEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_KEY], - nl802154_key_policy)) + nl802154_key_policy, info->extack)) return -EINVAL; if (!attrs[NL802154_KEY_ATTR_USAGE_FRAMES] || @@ -1615,7 +1614,7 @@ static int nl802154_del_llsec_key(struct sk_buff *skb, struct genl_info *info) if (nla_parse_nested(attrs, NL802154_KEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_KEY], - nl802154_key_policy)) + nl802154_key_policy, info->extack)) return -EINVAL; if (ieee802154_llsec_parse_key_id(attrs[NL802154_KEY_ATTR_ID], &id) < 0) @@ -1729,8 +1728,8 @@ ieee802154_llsec_parse_device(struct nlattr *nla, { struct nlattr *attrs[NL802154_DEV_ATTR_MAX + 1]; - if (!nla || nla_parse_nested(attrs, NL802154_DEV_ATTR_MAX, nla, - nl802154_dev_policy)) + if (!nla || nla_parse_nested(attrs, NL802154_DEV_ATTR_MAX, + nla, nl802154_dev_policy, NULL)) return -EINVAL; memset(dev, 0, sizeof(*dev)); @@ -1783,7 +1782,7 @@ static int nl802154_del_llsec_dev(struct sk_buff *skb, struct genl_info *info) if (nla_parse_nested(attrs, NL802154_DEV_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVICE], - nl802154_dev_policy)) + nl802154_dev_policy, info->extack)) return -EINVAL; if (!attrs[NL802154_DEV_ATTR_EXTENDED_ADDR]) @@ -1911,7 +1910,7 @@ static int nl802154_add_llsec_devkey(struct sk_buff *skb, struct genl_info *info if (!info->attrs[NL802154_ATTR_SEC_DEVKEY] || nla_parse_nested(attrs, NL802154_DEVKEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVKEY], - nl802154_devkey_policy) < 0) + nl802154_devkey_policy, info->extack) < 0) return -EINVAL; if (!attrs[NL802154_DEVKEY_ATTR_FRAME_COUNTER] || @@ -1943,7 +1942,7 @@ static int nl802154_del_llsec_devkey(struct sk_buff *skb, struct genl_info *info if (nla_parse_nested(attrs, NL802154_DEVKEY_ATTR_MAX, info->attrs[NL802154_ATTR_SEC_DEVKEY], - nl802154_devkey_policy)) + nl802154_devkey_policy, info->extack)) return -EINVAL; if (!attrs[NL802154_DEVKEY_ATTR_EXTENDED_ADDR]) @@ -2063,8 +2062,8 @@ llsec_parse_seclevel(struct nlattr *nla, struct ieee802154_llsec_seclevel *sl) { struct nlattr *attrs[NL802154_SECLEVEL_ATTR_MAX + 1]; - if (!nla || nla_parse_nested(attrs, NL802154_SECLEVEL_ATTR_MAX, nla, - nl802154_seclevel_policy)) + if (!nla || nla_parse_nested(attrs, NL802154_SECLEVEL_ATTR_MAX, + nla, nl802154_seclevel_policy, NULL)) return -EINVAL; memset(sl, 0, sizeof(*sl)); diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 6d3602ec640c..f33f53791f50 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -582,7 +582,8 @@ static int inet_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh) ASSERT_RTNL(); - err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv4_policy); + err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv4_policy, + NULL); if (err < 0) goto errout; @@ -752,7 +753,8 @@ static struct in_ifaddr *rtm_to_ifaddr(struct net *net, struct nlmsghdr *nlh, struct in_device *in_dev; int err; - err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv4_policy); + err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv4_policy, + NULL); if (err < 0) goto errout; @@ -1717,7 +1719,7 @@ static int inet_validate_link_af(const struct net_device *dev, if (dev && !__in_dev_get_rtnl(dev)) return -EAFNOSUPPORT; - err = nla_parse_nested(tb, IFLA_INET_MAX, nla, inet_af_policy); + err = nla_parse_nested(tb, IFLA_INET_MAX, nla, inet_af_policy, NULL); if (err < 0) return err; @@ -1745,7 +1747,7 @@ static int inet_set_link_af(struct net_device *dev, const struct nlattr *nla) if (!in_dev) return -EAFNOSUPPORT; - if (nla_parse_nested(tb, IFLA_INET_MAX, nla, NULL) < 0) + if (nla_parse_nested(tb, IFLA_INET_MAX, nla, NULL, NULL) < 0) BUG(); if (tb[IFLA_INET_CONF]) { @@ -1882,7 +1884,7 @@ static int inet_netconf_get_devconf(struct sk_buff *in_skb, int err; err = nlmsg_parse(nlh, sizeof(*ncm), tb, NETCONFA_MAX, - devconf_ipv4_policy); + devconf_ipv4_policy, NULL); if (err < 0) goto errout; diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index 8f2133ffc2ff..434dd2538716 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -632,7 +632,8 @@ static int rtm_to_fib_config(struct net *net, struct sk_buff *skb, int err, remaining; struct rtmsg *rtm; - err = nlmsg_validate(nlh, sizeof(*rtm), RTA_MAX, rtm_ipv4_policy); + err = nlmsg_validate(nlh, sizeof(*rtm), RTA_MAX, rtm_ipv4_policy, + NULL); if (err < 0) goto errout; diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c index a31f47ccaad9..baf196eaf1d8 100644 --- a/net/ipv4/ip_tunnel_core.c +++ b/net/ipv4/ip_tunnel_core.c @@ -235,7 +235,7 @@ static int ip_tun_build_state(struct nlattr *attr, struct nlattr *tb[LWTUNNEL_IP_MAX + 1]; int err; - err = nla_parse_nested(tb, LWTUNNEL_IP_MAX, attr, ip_tun_policy); + err = nla_parse_nested(tb, LWTUNNEL_IP_MAX, attr, ip_tun_policy, NULL); if (err < 0) return err; @@ -332,7 +332,8 @@ static int ip6_tun_build_state(struct nlattr *attr, struct nlattr *tb[LWTUNNEL_IP6_MAX + 1]; int err; - err = nla_parse_nested(tb, LWTUNNEL_IP6_MAX, attr, ip6_tun_policy); + err = nla_parse_nested(tb, LWTUNNEL_IP6_MAX, attr, ip6_tun_policy, + NULL); if (err < 0) return err; diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 5bca64fc71b7..d7be21f2174a 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -2439,7 +2439,8 @@ static int rtm_to_ipmr_mfcc(struct net *net, struct nlmsghdr *nlh, struct rtmsg *rtm; int ret, rem; - ret = nlmsg_validate(nlh, sizeof(*rtm), RTA_MAX, rtm_ipmr_policy); + ret = nlmsg_validate(nlh, sizeof(*rtm), RTA_MAX, rtm_ipmr_policy, + NULL); if (ret < 0) goto out; rtm = nlmsg_data(nlh); diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c index fcbdc0c49b0e..038f293c2376 100644 --- a/net/ipv4/netfilter/ipt_CLUSTERIP.c +++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c @@ -462,7 +462,7 @@ static void clusterip_tg_destroy(const struct xt_tgdtor_param *par) clusterip_config_put(cipinfo->config); - nf_ct_netns_get(par->net, par->family); + nf_ct_netns_put(par->net, par->family); } #ifdef CONFIG_COMPAT diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 5e1e60546fce..7a4f2c38c3c4 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1250,15 +1250,11 @@ static void set_class_tag(struct rtable *rt, u32 tag) static unsigned int ipv4_default_advmss(const struct dst_entry *dst) { - unsigned int advmss = dst_metric_raw(dst, RTAX_ADVMSS); + unsigned int header_size = sizeof(struct tcphdr) + sizeof(struct iphdr); + unsigned int advmss = max_t(unsigned int, dst->dev->mtu - header_size, + ip_rt_min_advmss); - if (advmss == 0) { - advmss = max_t(unsigned int, dst->dev->mtu - 40, - ip_rt_min_advmss); - if (advmss > 65535 - 40) - advmss = 65535 - 40; - } - return advmss; + return min(advmss, IPV4_MAX_PMTU - header_size); } static unsigned int ipv4_mtu(const struct dst_entry *dst) @@ -2649,7 +2645,8 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh) u32 table_id = RT_TABLE_MAIN; kuid_t uid; - err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_ipv4_policy); + err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_ipv4_policy, + NULL); if (err < 0) goto errout; diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 94f0b5b50e0d..04843ae77b9e 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2322,6 +2322,7 @@ int tcp_disconnect(struct sock *sk, int flags) tcp_init_send_head(sk); memset(&tp->rx_opt, 0, sizeof(tp->rx_opt)); __sk_dst_reset(sk); + tcp_saved_syn_free(tp); /* Clean up fastopen related fields */ tcp_free_fastopen_req(tp); diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 31f2765ef851..a5838858c362 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1935,6 +1935,7 @@ void tcp_enter_loss(struct sock *sk) struct tcp_sock *tp = tcp_sk(sk); struct net *net = sock_net(sk); struct sk_buff *skb; + bool new_recovery = icsk->icsk_ca_state < TCP_CA_Recovery; bool is_reneg; /* is receiver reneging on SACKs? */ bool mark_lost; @@ -1994,15 +1995,18 @@ void tcp_enter_loss(struct sock *sk) tp->high_seq = tp->snd_nxt; tcp_ecn_queue_cwr(tp); - /* F-RTO RFC5682 sec 3.1 step 1 mandates to disable F-RTO - * if a previous recovery is underway, otherwise it may incorrectly - * call a timeout spurious if some previously retransmitted packets - * are s/acked (sec 3.2). We do not apply that retriction since - * retransmitted skbs are permanently tagged with TCPCB_EVER_RETRANS - * so FLAG_ORIG_SACK_ACKED is always correct. But we do disable F-RTO - * on PTMU discovery to avoid sending new data. + /* F-RTO RFC5682 sec 3.1 step 1: retransmit SND.UNA if no previous + * loss recovery is underway except recurring timeout(s) on + * the same SND.UNA (sec 3.2). Disable F-RTO on path MTU probing + * + * In theory F-RTO can be used repeatedly during loss recovery. + * In practice this interacts badly with broken middle-boxes that + * falsely raise the receive window, which results in repeated + * timeouts and stop-and-go behavior. */ - tp->frto = sysctl_tcp_frto && !inet_csk(sk)->icsk_mtup.probe_size; + tp->frto = sysctl_tcp_frto && + (new_recovery || icsk->icsk_retransmits) && + !inet_csk(sk)->icsk_mtup.probe_size; } /* If ACK arrived pointing to a remembered SACK, it means that our diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 0e807a83c1bc..ffc9274b2706 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2995,6 +2995,8 @@ void tcp_send_active_reset(struct sock *sk, gfp_t priority) { struct sk_buff *skb; + TCP_INC_STATS(sock_net(sk), TCP_MIB_OUTRSTS); + /* NOTE: No TCP options attached and we never retransmit this. */ skb = alloc_skb(MAX_TCP_HEADER, priority); if (!skb) { @@ -3010,8 +3012,6 @@ void tcp_send_active_reset(struct sock *sk, gfp_t priority) /* Send it off. */ if (tcp_transmit_skb(sk, skb, 0, priority)) NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPABORTFAILED); - - TCP_INC_STATS(sock_net(sk), TCP_MIB_OUTRSTS); } /* Send a crossed SYN-ACK during socket establishment. diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 3650f6e829e8..8a6756ac7519 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -624,7 +624,7 @@ static int inet6_netconf_get_devconf(struct sk_buff *in_skb, int err; err = nlmsg_parse(nlh, sizeof(*ncm), tb, NETCONFA_MAX, - devconf_ipv6_policy); + devconf_ipv6_policy, NULL); if (err < 0) goto errout; @@ -3657,14 +3657,19 @@ restart: INIT_LIST_HEAD(&del_list); list_for_each_entry_safe(ifa, tmp, &idev->addr_list, if_list) { struct rt6_info *rt = NULL; + bool keep; addrconf_del_dad_work(ifa); + keep = keep_addr && (ifa->flags & IFA_F_PERMANENT) && + !addr_is_local(&ifa->addr); + if (!keep) + list_move(&ifa->if_list, &del_list); + write_unlock_bh(&idev->lock); spin_lock_bh(&ifa->lock); - if (keep_addr && (ifa->flags & IFA_F_PERMANENT) && - !addr_is_local(&ifa->addr)) { + if (keep) { /* set state to skip the notifier below */ state = INET6_IFADDR_STATE_DEAD; ifa->state = 0; @@ -3676,8 +3681,6 @@ restart: } else { state = ifa->state; ifa->state = INET6_IFADDR_STATE_DEAD; - - list_move(&ifa->if_list, &del_list); } spin_unlock_bh(&ifa->lock); @@ -4419,7 +4422,8 @@ inet6_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh) u32 ifa_flags; int err; - err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv6_policy); + err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv6_policy, + NULL); if (err < 0) return err; @@ -4531,7 +4535,8 @@ inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh) u32 ifa_flags; int err; - err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv6_policy); + err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv6_policy, + NULL); if (err < 0) return err; @@ -4892,7 +4897,8 @@ static int inet6_rtm_getaddr(struct sk_buff *in_skb, struct nlmsghdr *nlh) struct sk_buff *skb; int err; - err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv6_policy); + err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_ipv6_policy, + NULL); if (err < 0) goto errout; @@ -5262,7 +5268,8 @@ static int inet6_validate_link_af(const struct net_device *dev, if (dev && !__in6_dev_get(dev)) return -EAFNOSUPPORT; - return nla_parse_nested(tb, IFLA_INET6_MAX, nla, inet6_af_policy); + return nla_parse_nested(tb, IFLA_INET6_MAX, nla, inet6_af_policy, + NULL); } static int check_addr_gen_mode(int mode) @@ -5294,7 +5301,7 @@ static int inet6_set_link_af(struct net_device *dev, const struct nlattr *nla) if (!idev) return -EAFNOSUPPORT; - if (nla_parse_nested(tb, IFLA_INET6_MAX, nla, NULL) < 0) + if (nla_parse_nested(tb, IFLA_INET6_MAX, nla, NULL, NULL) < 0) BUG(); if (tb[IFLA_INET6_TOKEN]) { diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c index a8f6986dcbe5..6cb4ed91722a 100644 --- a/net/ipv6/addrlabel.c +++ b/net/ipv6/addrlabel.c @@ -413,7 +413,7 @@ static int ip6addrlbl_newdel(struct sk_buff *skb, struct nlmsghdr *nlh) u32 label; int err = 0; - err = nlmsg_parse(nlh, sizeof(*ifal), tb, IFAL_MAX, ifal_policy); + err = nlmsg_parse(nlh, sizeof(*ifal), tb, IFAL_MAX, ifal_policy, NULL); if (err < 0) return err; @@ -532,7 +532,7 @@ static int ip6addrlbl_get(struct sk_buff *in_skb, struct nlmsghdr *nlh) struct ip6addrlbl_entry *p; struct sk_buff *skb; - err = nlmsg_parse(nlh, sizeof(*ifal), tb, IFAL_MAX, ifal_policy); + err = nlmsg_parse(nlh, sizeof(*ifal), tb, IFAL_MAX, ifal_policy, NULL); if (err < 0) return err; diff --git a/net/ipv6/ila/ila_lwt.c b/net/ipv6/ila/ila_lwt.c index ce1aae4a7fc8..b3df03e3faa0 100644 --- a/net/ipv6/ila/ila_lwt.c +++ b/net/ipv6/ila/ila_lwt.c @@ -146,8 +146,7 @@ static int ila_build_state(struct nlattr *nla, return -EINVAL; } - ret = nla_parse_nested(tb, ILA_ATTR_MAX, nla, - ila_nl_policy); + ret = nla_parse_nested(tb, ILA_ATTR_MAX, nla, ila_nl_policy, NULL); if (ret < 0) return ret; diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index b5812b3f7539..b23822e64228 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1748,6 +1748,8 @@ static int ndisc_netdev_event(struct notifier_block *this, unsigned long event, case NETDEV_CHANGEADDR: neigh_changeaddr(&nd_tbl, dev); fib6_run_gc(0, net, false); + /* fallthrough */ + case NETDEV_UP: idev = in6_dev_get(dev); if (!idev) break; diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 9db1418993f2..ccde23eba702 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -2906,7 +2906,8 @@ static int rtm_to_fib6_config(struct sk_buff *skb, struct nlmsghdr *nlh, unsigned int pref; int err; - err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_ipv6_policy); + err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_ipv6_policy, + NULL); if (err < 0) goto errout; @@ -3574,7 +3575,8 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh) struct flowi6 fl6; int err, iif = 0, oif = 0; - err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_ipv6_policy); + err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_ipv6_policy, + NULL); if (err < 0) goto errout; diff --git a/net/ipv6/seg6_iptunnel.c b/net/ipv6/seg6_iptunnel.c index a644aaecdfd3..7436a4a62f3e 100644 --- a/net/ipv6/seg6_iptunnel.c +++ b/net/ipv6/seg6_iptunnel.c @@ -328,7 +328,7 @@ static int seg6_build_state(struct nlattr *nla, int err; err = nla_parse_nested(tb, SEG6_IPTUNNEL_MAX, nla, - seg6_iptunnel_policy); + seg6_iptunnel_policy, NULL); if (err < 0) return err; diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c index 31762f76cdb5..deca20fb2ce2 100644 --- a/net/kcm/kcmsock.c +++ b/net/kcm/kcmsock.c @@ -1707,11 +1707,7 @@ static int kcm_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) struct kcm_clone info; struct socket *newsock = NULL; - if (copy_from_user(&info, (void __user *)arg, sizeof(info))) - return -EFAULT; - err = kcm_clone(sock, &info, &newsock); - if (!err) { if (copy_to_user((void __user *)arg, &info, sizeof(info))) { diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c index 138566a63123..b722d559c544 100644 --- a/net/l2tp/l2tp_eth.c +++ b/net/l2tp/l2tp_eth.c @@ -225,7 +225,9 @@ static void l2tp_eth_adjust_mtu(struct l2tp_tunnel *tunnel, dev->needed_headroom += session->hdr_len; return; } + lock_sock(tunnel->sock); l3_overhead = kernel_sock_ip_overhead(tunnel->sock); + release_sock(tunnel->sock); if (l3_overhead == 0) { /* L3 Overhead couldn't be identified, this could be * because tunnel->sock was NULL or the socket's diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c index 861b255a2d51..32ea0f3d868c 100644 --- a/net/l2tp/l2tp_ppp.c +++ b/net/l2tp/l2tp_ppp.c @@ -1383,8 +1383,6 @@ static int pppol2tp_setsockopt(struct socket *sock, int level, int optname, } else err = pppol2tp_session_setsockopt(sk, session, optname, val); - err = 0; - end_put_sess: sock_put(sk); end: @@ -1507,8 +1505,13 @@ static int pppol2tp_getsockopt(struct socket *sock, int level, int optname, err = pppol2tp_tunnel_getsockopt(sk, tunnel, optname, &val); sock_put(ps->tunnel_sock); - } else + if (err) + goto end_put_sess; + } else { err = pppol2tp_session_getsockopt(sk, session, optname, &val); + if (err) + goto end_put_sess; + } err = -EFAULT; if (put_user(len, optlen)) diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c index 5928d22ba9c8..07181d2273e1 100644 --- a/net/mpls/af_mpls.c +++ b/net/mpls/af_mpls.c @@ -1122,7 +1122,7 @@ static int mpls_netconf_get_devconf(struct sk_buff *in_skb, int err; err = nlmsg_parse(nlh, sizeof(*ncm), tb, NETCONFA_MAX, - devconf_mpls_policy); + devconf_mpls_policy, NULL); if (err < 0) goto errout; @@ -1643,7 +1643,8 @@ static int rtm_to_route_config(struct sk_buff *skb, struct nlmsghdr *nlh, int index; int err; - err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_mpls_policy); + err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_mpls_policy, + NULL); if (err < 0) goto errout; diff --git a/net/mpls/mpls_iptunnel.c b/net/mpls/mpls_iptunnel.c index fe00e98667cf..369c7a23c86c 100644 --- a/net/mpls/mpls_iptunnel.c +++ b/net/mpls/mpls_iptunnel.c @@ -168,7 +168,7 @@ static int mpls_build_state(struct nlattr *nla, int ret; ret = nla_parse_nested(tb, MPLS_IPTUNNEL_MAX, nla, - mpls_iptunnel_policy); + mpls_iptunnel_policy, NULL); if (ret < 0) return ret; diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c index c296f9b606d4..9bd5b6636181 100644 --- a/net/netfilter/ipset/ip_set_core.c +++ b/net/netfilter/ipset/ip_set_core.c @@ -295,7 +295,8 @@ ip_set_get_ipaddr4(struct nlattr *nla, __be32 *ipaddr) if (unlikely(!flag_nested(nla))) return -IPSET_ERR_PROTOCOL; - if (nla_parse_nested(tb, IPSET_ATTR_IPADDR_MAX, nla, ipaddr_policy)) + if (nla_parse_nested(tb, IPSET_ATTR_IPADDR_MAX, nla, + ipaddr_policy, NULL)) return -IPSET_ERR_PROTOCOL; if (unlikely(!ip_set_attr_netorder(tb, IPSET_ATTR_IPADDR_IPV4))) return -IPSET_ERR_PROTOCOL; @@ -313,7 +314,8 @@ ip_set_get_ipaddr6(struct nlattr *nla, union nf_inet_addr *ipaddr) if (unlikely(!flag_nested(nla))) return -IPSET_ERR_PROTOCOL; - if (nla_parse_nested(tb, IPSET_ATTR_IPADDR_MAX, nla, ipaddr_policy)) + if (nla_parse_nested(tb, IPSET_ATTR_IPADDR_MAX, nla, + ipaddr_policy, NULL)) return -IPSET_ERR_PROTOCOL; if (unlikely(!ip_set_attr_netorder(tb, IPSET_ATTR_IPADDR_IPV6))) return -IPSET_ERR_PROTOCOL; @@ -906,7 +908,7 @@ static int ip_set_create(struct net *net, struct sock *ctnl, /* Without holding any locks, create private part. */ if (attr[IPSET_ATTR_DATA] && nla_parse_nested(tb, IPSET_ATTR_CREATE_MAX, attr[IPSET_ATTR_DATA], - set->type->create_policy)) { + set->type->create_policy, NULL)) { ret = -IPSET_ERR_PROTOCOL; goto put_out; } @@ -1257,8 +1259,8 @@ dump_init(struct netlink_callback *cb, struct ip_set_net *inst) ip_set_id_t index; /* Second pass, so parser can't fail */ - nla_parse(cda, IPSET_ATTR_CMD_MAX, - attr, nlh->nlmsg_len - min_len, ip_set_setname_policy); + nla_parse(cda, IPSET_ATTR_CMD_MAX, attr, nlh->nlmsg_len - min_len, + ip_set_setname_policy, NULL); if (cda[IPSET_ATTR_SETNAME]) { struct ip_set *set; @@ -1305,7 +1307,7 @@ ip_set_dump_start(struct sk_buff *skb, struct netlink_callback *cb) * manually :-( */ if (nlh->nlmsg_flags & NLM_F_ACK) - netlink_ack(cb->skb, nlh, ret); + netlink_ack(cb->skb, nlh, ret, NULL); return ret; } } @@ -1501,9 +1503,8 @@ call_ad(struct sock *ctnl, struct sk_buff *skb, struct ip_set *set, memcpy(&errmsg->msg, nlh, nlh->nlmsg_len); cmdattr = (void *)&errmsg->msg + min_len; - nla_parse(cda, IPSET_ATTR_CMD_MAX, - cmdattr, nlh->nlmsg_len - min_len, - ip_set_adt_policy); + nla_parse(cda, IPSET_ATTR_CMD_MAX, cmdattr, + nlh->nlmsg_len - min_len, ip_set_adt_policy, NULL); errline = nla_data(cda[IPSET_ATTR_LINENO]); @@ -1549,7 +1550,7 @@ static int ip_set_uadd(struct net *net, struct sock *ctnl, struct sk_buff *skb, if (attr[IPSET_ATTR_DATA]) { if (nla_parse_nested(tb, IPSET_ATTR_ADT_MAX, attr[IPSET_ATTR_DATA], - set->type->adt_policy)) + set->type->adt_policy, NULL)) return -IPSET_ERR_PROTOCOL; ret = call_ad(ctnl, skb, set, tb, IPSET_ADD, flags, use_lineno); @@ -1561,7 +1562,7 @@ static int ip_set_uadd(struct net *net, struct sock *ctnl, struct sk_buff *skb, if (nla_type(nla) != IPSET_ATTR_DATA || !flag_nested(nla) || nla_parse_nested(tb, IPSET_ATTR_ADT_MAX, nla, - set->type->adt_policy)) + set->type->adt_policy, NULL)) return -IPSET_ERR_PROTOCOL; ret = call_ad(ctnl, skb, set, tb, IPSET_ADD, flags, use_lineno); @@ -1603,7 +1604,7 @@ static int ip_set_udel(struct net *net, struct sock *ctnl, struct sk_buff *skb, if (attr[IPSET_ATTR_DATA]) { if (nla_parse_nested(tb, IPSET_ATTR_ADT_MAX, attr[IPSET_ATTR_DATA], - set->type->adt_policy)) + set->type->adt_policy, NULL)) return -IPSET_ERR_PROTOCOL; ret = call_ad(ctnl, skb, set, tb, IPSET_DEL, flags, use_lineno); @@ -1615,7 +1616,7 @@ static int ip_set_udel(struct net *net, struct sock *ctnl, struct sk_buff *skb, if (nla_type(nla) != IPSET_ATTR_DATA || !flag_nested(nla) || nla_parse_nested(tb, IPSET_ATTR_ADT_MAX, nla, - set->type->adt_policy)) + set->type->adt_policy, NULL)) return -IPSET_ERR_PROTOCOL; ret = call_ad(ctnl, skb, set, tb, IPSET_DEL, flags, use_lineno); @@ -1646,7 +1647,7 @@ static int ip_set_utest(struct net *net, struct sock *ctnl, struct sk_buff *skb, return -ENOENT; if (nla_parse_nested(tb, IPSET_ATTR_ADT_MAX, attr[IPSET_ATTR_DATA], - set->type->adt_policy)) + set->type->adt_policy, NULL)) return -IPSET_ERR_PROTOCOL; rcu_read_lock_bh(); diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index 541aa7694775..892da70866d6 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -3089,7 +3089,8 @@ static int ip_vs_genl_parse_service(struct netns_ipvs *ipvs, /* Parse mandatory identifying service fields first */ if (nla == NULL || - nla_parse_nested(attrs, IPVS_SVC_ATTR_MAX, nla, ip_vs_svc_policy)) + nla_parse_nested(attrs, IPVS_SVC_ATTR_MAX, nla, + ip_vs_svc_policy, NULL)) return -EINVAL; nla_af = attrs[IPVS_SVC_ATTR_AF]; @@ -3251,8 +3252,8 @@ static int ip_vs_genl_dump_dests(struct sk_buff *skb, mutex_lock(&__ip_vs_mutex); /* Try to find the service for which to dump destinations */ - if (nlmsg_parse(cb->nlh, GENL_HDRLEN, attrs, - IPVS_CMD_ATTR_MAX, ip_vs_cmd_policy)) + if (nlmsg_parse(cb->nlh, GENL_HDRLEN, attrs, IPVS_CMD_ATTR_MAX, + ip_vs_cmd_policy, NULL)) goto out_err; @@ -3288,7 +3289,8 @@ static int ip_vs_genl_parse_dest(struct ip_vs_dest_user_kern *udest, /* Parse mandatory identifying destination fields first */ if (nla == NULL || - nla_parse_nested(attrs, IPVS_DEST_ATTR_MAX, nla, ip_vs_dest_policy)) + nla_parse_nested(attrs, IPVS_DEST_ATTR_MAX, nla, + ip_vs_dest_policy, NULL)) return -EINVAL; nla_addr = attrs[IPVS_DEST_ATTR_ADDR]; @@ -3530,7 +3532,7 @@ static int ip_vs_genl_set_daemon(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[IPVS_CMD_ATTR_DAEMON] || nla_parse_nested(daemon_attrs, IPVS_DAEMON_ATTR_MAX, info->attrs[IPVS_CMD_ATTR_DAEMON], - ip_vs_daemon_policy)) + ip_vs_daemon_policy, info->extack)) goto out; if (cmd == IPVS_CMD_NEW_DAEMON) diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c index cb29e598605f..a5ca5e426bae 100644 --- a/net/netfilter/nf_conntrack_expect.c +++ b/net/netfilter/nf_conntrack_expect.c @@ -57,7 +57,7 @@ void nf_ct_unlink_expect_report(struct nf_conntrack_expect *exp, hlist_del_rcu(&exp->hnode); net->ct.expect_count--; - hlist_del(&exp->lnode); + hlist_del_rcu(&exp->lnode); master_help->expecting[exp->class]--; nf_ct_expect_event_report(IPEXP_DESTROY, exp, portid, report); @@ -363,7 +363,7 @@ static void nf_ct_expect_insert(struct nf_conntrack_expect *exp) /* two references : one for hash insert, one for the timer */ refcount_add(2, &exp->use); - hlist_add_head(&exp->lnode, &master_help->expectations); + hlist_add_head_rcu(&exp->lnode, &master_help->expectations); master_help->expecting[exp->class]++; hlist_add_head_rcu(&exp->hnode, &nf_ct_expect_hash[h]); diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c index 6dc44d9b4190..4eeb3418366a 100644 --- a/net/netfilter/nf_conntrack_helper.c +++ b/net/netfilter/nf_conntrack_helper.c @@ -158,16 +158,25 @@ nf_conntrack_helper_try_module_get(const char *name, u16 l3num, u8 protonum) { struct nf_conntrack_helper *h; + rcu_read_lock(); + h = __nf_conntrack_helper_find(name, l3num, protonum); #ifdef CONFIG_MODULES if (h == NULL) { - if (request_module("nfct-helper-%s", name) == 0) + rcu_read_unlock(); + if (request_module("nfct-helper-%s", name) == 0) { + rcu_read_lock(); h = __nf_conntrack_helper_find(name, l3num, protonum); + } else { + return h; + } } #endif if (h != NULL && !try_module_get(h->me)) h = NULL; + rcu_read_unlock(); + return h; } EXPORT_SYMBOL_GPL(nf_conntrack_helper_try_module_get); @@ -311,38 +320,36 @@ void nf_ct_helper_expectfn_unregister(struct nf_ct_helper_expectfn *n) } EXPORT_SYMBOL_GPL(nf_ct_helper_expectfn_unregister); +/* Caller should hold the rcu lock */ struct nf_ct_helper_expectfn * nf_ct_helper_expectfn_find_by_name(const char *name) { struct nf_ct_helper_expectfn *cur; bool found = false; - rcu_read_lock(); list_for_each_entry_rcu(cur, &nf_ct_helper_expectfn_list, head) { if (!strcmp(cur->name, name)) { found = true; break; } } - rcu_read_unlock(); return found ? cur : NULL; } EXPORT_SYMBOL_GPL(nf_ct_helper_expectfn_find_by_name); +/* Caller should hold the rcu lock */ struct nf_ct_helper_expectfn * nf_ct_helper_expectfn_find_by_symbol(const void *symbol) { struct nf_ct_helper_expectfn *cur; bool found = false; - rcu_read_lock(); list_for_each_entry_rcu(cur, &nf_ct_helper_expectfn_list, head) { if (cur->expectfn == symbol) { found = true; break; } } - rcu_read_unlock(); return found ? cur : NULL; } EXPORT_SYMBOL_GPL(nf_ct_helper_expectfn_find_by_symbol); diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index ecdc324c7785..aafd25dff8c0 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -908,7 +908,7 @@ static int ctnetlink_parse_tuple_ip(struct nlattr *attr, struct nf_conntrack_l3proto *l3proto; int ret = 0; - ret = nla_parse_nested(tb, CTA_IP_MAX, attr, NULL); + ret = nla_parse_nested(tb, CTA_IP_MAX, attr, NULL, NULL); if (ret < 0) return ret; @@ -917,7 +917,7 @@ static int ctnetlink_parse_tuple_ip(struct nlattr *attr, if (likely(l3proto->nlattr_to_tuple)) { ret = nla_validate_nested(attr, CTA_IP_MAX, - l3proto->nla_policy); + l3proto->nla_policy, NULL); if (ret == 0) ret = l3proto->nlattr_to_tuple(tb, tuple); } @@ -938,7 +938,8 @@ static int ctnetlink_parse_tuple_proto(struct nlattr *attr, struct nf_conntrack_l4proto *l4proto; int ret = 0; - ret = nla_parse_nested(tb, CTA_PROTO_MAX, attr, proto_nla_policy); + ret = nla_parse_nested(tb, CTA_PROTO_MAX, attr, proto_nla_policy, + NULL); if (ret < 0) return ret; @@ -951,7 +952,7 @@ static int ctnetlink_parse_tuple_proto(struct nlattr *attr, if (likely(l4proto->nlattr_to_tuple)) { ret = nla_validate_nested(attr, CTA_PROTO_MAX, - l4proto->nla_policy); + l4proto->nla_policy, NULL); if (ret == 0) ret = l4proto->nlattr_to_tuple(tb, tuple); } @@ -1015,7 +1016,8 @@ ctnetlink_parse_tuple(const struct nlattr * const cda[], memset(tuple, 0, sizeof(*tuple)); - err = nla_parse_nested(tb, CTA_TUPLE_MAX, cda[type], tuple_nla_policy); + err = nla_parse_nested(tb, CTA_TUPLE_MAX, cda[type], tuple_nla_policy, + NULL); if (err < 0) return err; @@ -1065,7 +1067,7 @@ static int ctnetlink_parse_help(const struct nlattr *attr, char **helper_name, int err; struct nlattr *tb[CTA_HELP_MAX+1]; - err = nla_parse_nested(tb, CTA_HELP_MAX, attr, help_nla_policy); + err = nla_parse_nested(tb, CTA_HELP_MAX, attr, help_nla_policy, NULL); if (err < 0) return err; @@ -1488,11 +1490,16 @@ static int ctnetlink_change_helper(struct nf_conn *ct, * treat the second attempt as a no-op instead of returning * an error. */ - if (help && help->helper && - !strcmp(help->helper->name, helpname)) - return 0; - else - return -EBUSY; + err = -EBUSY; + if (help) { + rcu_read_lock(); + helper = rcu_dereference(help->helper); + if (helper && !strcmp(helper->name, helpname)) + err = 0; + rcu_read_unlock(); + } + + return err; } if (!strcmp(helpname, "")) { @@ -1566,7 +1573,8 @@ static int ctnetlink_change_protoinfo(struct nf_conn *ct, struct nf_conntrack_l4proto *l4proto; int err = 0; - err = nla_parse_nested(tb, CTA_PROTOINFO_MAX, attr, protoinfo_policy); + err = nla_parse_nested(tb, CTA_PROTOINFO_MAX, attr, protoinfo_policy, + NULL); if (err < 0) return err; @@ -1591,7 +1599,7 @@ static int change_seq_adj(struct nf_ct_seqadj *seq, int err; struct nlattr *cda[CTA_SEQADJ_MAX+1]; - err = nla_parse_nested(cda, CTA_SEQADJ_MAX, attr, seqadj_policy); + err = nla_parse_nested(cda, CTA_SEQADJ_MAX, attr, seqadj_policy, NULL); if (err < 0) return err; @@ -1929,9 +1937,9 @@ static int ctnetlink_new_conntrack(struct net *net, struct sock *ctnl, err = 0; if (test_bit(IPS_EXPECTED_BIT, &ct->status)) - events = IPCT_RELATED; + events = 1 << IPCT_RELATED; else - events = IPCT_NEW; + events = 1 << IPCT_NEW; if (cda[CTA_LABELS] && ctnetlink_attach_labels(ct, cda) == 0) @@ -2348,7 +2356,7 @@ ctnetlink_glue_parse(const struct nlattr *attr, struct nf_conn *ct) struct nlattr *cda[CTA_MAX+1]; int ret; - ret = nla_parse_nested(cda, CTA_MAX, attr, ct_nla_policy); + ret = nla_parse_nested(cda, CTA_MAX, attr, ct_nla_policy, NULL); if (ret < 0) return ret; @@ -2385,7 +2393,8 @@ ctnetlink_glue_attach_expect(const struct nlattr *attr, struct nf_conn *ct, struct nf_conntrack_expect *exp; int err; - err = nla_parse_nested(cda, CTA_EXPECT_MAX, attr, exp_nla_policy); + err = nla_parse_nested(cda, CTA_EXPECT_MAX, attr, exp_nla_policy, + NULL); if (err < 0) return err; @@ -2675,8 +2684,8 @@ ctnetlink_exp_dump_table(struct sk_buff *skb, struct netlink_callback *cb) last = (struct nf_conntrack_expect *)cb->args[1]; for (; cb->args[0] < nf_ct_expect_hsize; cb->args[0]++) { restart: - hlist_for_each_entry(exp, &nf_ct_expect_hash[cb->args[0]], - hnode) { + hlist_for_each_entry_rcu(exp, &nf_ct_expect_hash[cb->args[0]], + hnode) { if (l3proto && exp->tuple.src.l3num != l3proto) continue; @@ -2727,7 +2736,7 @@ ctnetlink_exp_ct_dump_table(struct sk_buff *skb, struct netlink_callback *cb) rcu_read_lock(); last = (struct nf_conntrack_expect *)cb->args[1]; restart: - hlist_for_each_entry(exp, &help->expectations, lnode) { + hlist_for_each_entry_rcu(exp, &help->expectations, lnode) { if (l3proto && exp->tuple.src.l3num != l3proto) continue; if (cb->args[1]) { @@ -2789,6 +2798,12 @@ static int ctnetlink_dump_exp_ct(struct net *net, struct sock *ctnl, return -ENOENT; ct = nf_ct_tuplehash_to_ctrack(h); + /* No expectation linked to this connection tracking. */ + if (!nfct_help(ct)) { + nf_ct_put(ct); + return 0; + } + c.data = ct; err = netlink_dump_start(ctnl, skb, nlh, &c); @@ -3004,7 +3019,8 @@ ctnetlink_parse_expect_nat(const struct nlattr *attr, struct nf_conntrack_tuple nat_tuple = {}; int err; - err = nla_parse_nested(tb, CTA_EXPECT_NAT_MAX, attr, exp_nat_nla_policy); + err = nla_parse_nested(tb, CTA_EXPECT_NAT_MAX, attr, + exp_nat_nla_policy, NULL); if (err < 0) return err; @@ -3133,23 +3149,27 @@ ctnetlink_create_expect(struct net *net, return -ENOENT; ct = nf_ct_tuplehash_to_ctrack(h); + rcu_read_lock(); if (cda[CTA_EXPECT_HELP_NAME]) { const char *helpname = nla_data(cda[CTA_EXPECT_HELP_NAME]); helper = __nf_conntrack_helper_find(helpname, u3, nf_ct_protonum(ct)); if (helper == NULL) { + rcu_read_unlock(); #ifdef CONFIG_MODULES if (request_module("nfct-helper-%s", helpname) < 0) { err = -EOPNOTSUPP; goto err_ct; } + rcu_read_lock(); helper = __nf_conntrack_helper_find(helpname, u3, nf_ct_protonum(ct)); if (helper) { err = -EAGAIN; - goto err_ct; + goto err_rcu; } + rcu_read_unlock(); #endif err = -EOPNOTSUPP; goto err_ct; @@ -3159,11 +3179,13 @@ ctnetlink_create_expect(struct net *net, exp = ctnetlink_alloc_expect(cda, ct, helper, &tuple, &mask); if (IS_ERR(exp)) { err = PTR_ERR(exp); - goto err_ct; + goto err_rcu; } err = nf_ct_expect_related_report(exp, portid, report); nf_ct_expect_put(exp); +err_rcu: + rcu_read_unlock(); err_ct: nf_ct_put(ct); return err; diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c index 93dd1c5b7bff..b2e02dfe7fa8 100644 --- a/net/netfilter/nf_conntrack_proto_dccp.c +++ b/net/netfilter/nf_conntrack_proto_dccp.c @@ -665,7 +665,7 @@ static int nlattr_to_dccp(struct nlattr *cda[], struct nf_conn *ct) return 0; err = nla_parse_nested(tb, CTA_PROTOINFO_DCCP_MAX, attr, - dccp_nla_policy); + dccp_nla_policy, NULL); if (err < 0) return err; diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c index 33279aab583d..2a7300587c87 100644 --- a/net/netfilter/nf_conntrack_proto_sctp.c +++ b/net/netfilter/nf_conntrack_proto_sctp.c @@ -584,10 +584,8 @@ static int nlattr_to_sctp(struct nlattr *cda[], struct nf_conn *ct) if (!attr) return 0; - err = nla_parse_nested(tb, - CTA_PROTOINFO_SCTP_MAX, - attr, - sctp_nla_policy); + err = nla_parse_nested(tb, CTA_PROTOINFO_SCTP_MAX, attr, + sctp_nla_policy, NULL); if (err < 0) return err; diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c index b122e9dacfed..85bde77ad967 100644 --- a/net/netfilter/nf_conntrack_proto_tcp.c +++ b/net/netfilter/nf_conntrack_proto_tcp.c @@ -1234,7 +1234,8 @@ static int nlattr_to_tcp(struct nlattr *cda[], struct nf_conn *ct) if (!pattr) return 0; - err = nla_parse_nested(tb, CTA_PROTOINFO_TCP_MAX, pattr, tcp_nla_policy); + err = nla_parse_nested(tb, CTA_PROTOINFO_TCP_MAX, pattr, + tcp_nla_policy, NULL); if (err < 0) return err; diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c index 82802e4a6640..908ba5abbc0b 100644 --- a/net/netfilter/nf_nat_core.c +++ b/net/netfilter/nf_nat_core.c @@ -751,7 +751,8 @@ static int nfnetlink_parse_nat_proto(struct nlattr *attr, const struct nf_nat_l4proto *l4proto; int err; - err = nla_parse_nested(tb, CTA_PROTONAT_MAX, attr, protonat_nla_policy); + err = nla_parse_nested(tb, CTA_PROTONAT_MAX, attr, + protonat_nla_policy, NULL); if (err < 0) return err; @@ -780,7 +781,7 @@ nfnetlink_parse_nat(const struct nlattr *nat, memset(range, 0, sizeof(*range)); - err = nla_parse_nested(tb, CTA_NAT_MAX, nat, nat_nla_policy); + err = nla_parse_nested(tb, CTA_NAT_MAX, nat, nat_nla_policy, NULL); if (err < 0) return err; diff --git a/net/netfilter/nf_nat_redirect.c b/net/netfilter/nf_nat_redirect.c index d43869879fcf..86067560a318 100644 --- a/net/netfilter/nf_nat_redirect.c +++ b/net/netfilter/nf_nat_redirect.c @@ -101,11 +101,13 @@ nf_nat_redirect_ipv6(struct sk_buff *skb, const struct nf_nat_range *range, rcu_read_lock(); idev = __in6_dev_get(skb->dev); if (idev != NULL) { + read_lock_bh(&idev->lock); list_for_each_entry(ifa, &idev->addr_list, if_list) { newdst = ifa->addr; addr = true; break; } + read_unlock_bh(&idev->lock); } rcu_read_unlock(); diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 2d822d2fd830..907431318637 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -1182,7 +1182,8 @@ static struct nft_stats __percpu *nft_stats_alloc(const struct nlattr *attr) struct nft_stats *stats; int err; - err = nla_parse_nested(tb, NFTA_COUNTER_MAX, attr, nft_counter_policy); + err = nla_parse_nested(tb, NFTA_COUNTER_MAX, attr, nft_counter_policy, + NULL); if (err < 0) return ERR_PTR(err); @@ -1257,7 +1258,7 @@ static int nft_chain_parse_hook(struct net *net, int err; err = nla_parse_nested(ha, NFTA_HOOK_MAX, nla[NFTA_CHAIN_HOOK], - nft_hook_policy); + nft_hook_policy, NULL); if (err < 0) return err; @@ -1724,7 +1725,7 @@ static int nf_tables_expr_parse(const struct nft_ctx *ctx, struct nlattr *tb[NFTA_EXPR_MAX + 1]; int err; - err = nla_parse_nested(tb, NFTA_EXPR_MAX, nla, nft_expr_policy); + err = nla_parse_nested(tb, NFTA_EXPR_MAX, nla, nft_expr_policy, NULL); if (err < 0) return err; @@ -1734,7 +1735,7 @@ static int nf_tables_expr_parse(const struct nft_ctx *ctx, if (tb[NFTA_EXPR_DATA]) { err = nla_parse_nested(info->tb, type->maxattr, - tb[NFTA_EXPR_DATA], type->policy); + tb[NFTA_EXPR_DATA], type->policy, NULL); if (err < 0) goto err1; } else @@ -2879,7 +2880,8 @@ static int nf_tables_set_desc_parse(const struct nft_ctx *ctx, struct nlattr *da[NFTA_SET_DESC_MAX + 1]; int err; - err = nla_parse_nested(da, NFTA_SET_DESC_MAX, nla, nft_set_desc_policy); + err = nla_parse_nested(da, NFTA_SET_DESC_MAX, nla, + nft_set_desc_policy, NULL); if (err < 0) return err; @@ -3381,7 +3383,8 @@ static int nf_tables_dump_set(struct sk_buff *skb, struct netlink_callback *cb) int event, err; err = nlmsg_parse(cb->nlh, sizeof(struct nfgenmsg), nla, - NFTA_SET_ELEM_LIST_MAX, nft_set_elem_list_policy); + NFTA_SET_ELEM_LIST_MAX, nft_set_elem_list_policy, + NULL); if (err < 0) return err; @@ -3640,7 +3643,7 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set, int err; err = nla_parse_nested(nla, NFTA_SET_ELEM_MAX, attr, - nft_set_elem_policy); + nft_set_elem_policy, NULL); if (err < 0) return err; @@ -3870,7 +3873,7 @@ static int nft_del_setelem(struct nft_ctx *ctx, struct nft_set *set, int err; err = nla_parse_nested(nla, NFTA_SET_ELEM_MAX, attr, - nft_set_elem_policy); + nft_set_elem_policy, NULL); if (err < 0) goto err1; @@ -4101,7 +4104,8 @@ static struct nft_object *nft_obj_init(const struct nft_ctx *ctx, int err; if (attr) { - err = nla_parse_nested(tb, type->maxattr, attr, type->policy); + err = nla_parse_nested(tb, type->maxattr, attr, type->policy, + NULL); if (err < 0) goto err1; } else { @@ -5314,7 +5318,8 @@ static int nft_verdict_init(const struct nft_ctx *ctx, struct nft_data *data, struct nft_chain *chain; int err; - err = nla_parse_nested(tb, NFTA_VERDICT_MAX, nla, nft_verdict_policy); + err = nla_parse_nested(tb, NFTA_VERDICT_MAX, nla, nft_verdict_policy, + NULL); if (err < 0) return err; @@ -5444,7 +5449,7 @@ int nft_data_init(const struct nft_ctx *ctx, struct nlattr *tb[NFTA_DATA_MAX + 1]; int err; - err = nla_parse_nested(tb, NFTA_DATA_MAX, nla, nft_data_policy); + err = nla_parse_nested(tb, NFTA_DATA_MAX, nla, nft_data_policy, NULL); if (err < 0) return err; diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c index 68eda920160e..e42f858b91d2 100644 --- a/net/netfilter/nfnetlink.c +++ b/net/netfilter/nfnetlink.c @@ -148,7 +148,8 @@ int nfnetlink_unicast(struct sk_buff *skb, struct net *net, u32 portid, EXPORT_SYMBOL_GPL(nfnetlink_unicast); /* Process one complete nfnetlink message. */ -static int nfnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) +static int nfnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, + struct netlink_ext_ack *extack) { struct net *net = sock_net(skb->sk); const struct nfnl_callback *nc; @@ -191,8 +192,8 @@ replay: int attrlen = nlh->nlmsg_len - min_len; __u8 subsys_id = NFNL_SUBSYS_ID(type); - err = nla_parse(cda, ss->cb[cb_id].attr_count, - attr, attrlen, ss->cb[cb_id].policy); + err = nla_parse(cda, ss->cb[cb_id].attr_count, attr, attrlen, + ss->cb[cb_id].policy, extack); if (err < 0) { rcu_read_unlock(); return err; @@ -261,7 +262,7 @@ static void nfnl_err_deliver(struct list_head *err_list, struct sk_buff *skb) struct nfnl_err *nfnl_err, *next; list_for_each_entry_safe(nfnl_err, next, err_list, head) { - netlink_ack(skb, nfnl_err->nlh, nfnl_err->err); + netlink_ack(skb, nfnl_err->nlh, nfnl_err->err, NULL); nfnl_err_del(nfnl_err); } } @@ -284,13 +285,13 @@ static void nfnetlink_rcv_batch(struct sk_buff *skb, struct nlmsghdr *nlh, int err; if (subsys_id >= NFNL_SUBSYS_COUNT) - return netlink_ack(skb, nlh, -EINVAL); + return netlink_ack(skb, nlh, -EINVAL, NULL); replay: status = 0; skb = netlink_skb_clone(oskb, GFP_KERNEL); if (!skb) - return netlink_ack(oskb, nlh, -ENOMEM); + return netlink_ack(oskb, nlh, -ENOMEM, NULL); nfnl_lock(subsys_id); ss = nfnl_dereference_protected(subsys_id); @@ -304,20 +305,20 @@ replay: #endif { nfnl_unlock(subsys_id); - netlink_ack(oskb, nlh, -EOPNOTSUPP); + netlink_ack(oskb, nlh, -EOPNOTSUPP, NULL); return kfree_skb(skb); } } if (!ss->commit || !ss->abort) { nfnl_unlock(subsys_id); - netlink_ack(oskb, nlh, -EOPNOTSUPP); + netlink_ack(oskb, nlh, -EOPNOTSUPP, NULL); return kfree_skb(skb); } if (genid && ss->valid_genid && !ss->valid_genid(net, genid)) { nfnl_unlock(subsys_id); - netlink_ack(oskb, nlh, -ERESTART); + netlink_ack(oskb, nlh, -ERESTART, NULL); return kfree_skb(skb); } @@ -376,8 +377,8 @@ replay: struct nlattr *attr = (void *)nlh + min_len; int attrlen = nlh->nlmsg_len - min_len; - err = nla_parse(cda, ss->cb[cb_id].attr_count, - attr, attrlen, ss->cb[cb_id].policy); + err = nla_parse(cda, ss->cb[cb_id].attr_count, attr, + attrlen, ss->cb[cb_id].policy, NULL); if (err < 0) goto ack; @@ -407,7 +408,8 @@ ack: * pointing to the batch header. */ nfnl_err_reset(&err_list); - netlink_ack(oskb, nlmsg_hdr(oskb), -ENOMEM); + netlink_ack(oskb, nlmsg_hdr(oskb), -ENOMEM, + NULL); status |= NFNL_BATCH_FAILURE; goto done; } @@ -465,9 +467,10 @@ static void nfnetlink_rcv_skb_batch(struct sk_buff *skb, struct nlmsghdr *nlh) skb->len < NLMSG_HDRLEN + sizeof(struct nfgenmsg)) return; - err = nla_parse(cda, NFNL_BATCH_MAX, attr, attrlen, nfnl_batch_policy); + err = nla_parse(cda, NFNL_BATCH_MAX, attr, attrlen, nfnl_batch_policy, + NULL); if (err < 0) { - netlink_ack(skb, nlh, err); + netlink_ack(skb, nlh, err, NULL); return; } if (cda[NFNL_BATCH_GENID]) @@ -493,7 +496,7 @@ static void nfnetlink_rcv(struct sk_buff *skb) return; if (!netlink_net_capable(skb, CAP_NET_ADMIN)) { - netlink_ack(skb, nlh, -EPERM); + netlink_ack(skb, nlh, -EPERM, NULL); return; } diff --git a/net/netfilter/nfnetlink_acct.c b/net/netfilter/nfnetlink_acct.c index c86da174a5fc..2837d5fb98bd 100644 --- a/net/netfilter/nfnetlink_acct.c +++ b/net/netfilter/nfnetlink_acct.c @@ -244,7 +244,8 @@ nfacct_filter_alloc(const struct nlattr * const attr) struct nlattr *tb[NFACCT_FILTER_MAX + 1]; int err; - err = nla_parse_nested(tb, NFACCT_FILTER_MAX, attr, filter_policy); + err = nla_parse_nested(tb, NFACCT_FILTER_MAX, attr, filter_policy, + NULL); if (err < 0) return ERR_PTR(err); diff --git a/net/netfilter/nfnetlink_cthelper.c b/net/netfilter/nfnetlink_cthelper.c index d45558178da5..5b6c68311566 100644 --- a/net/netfilter/nfnetlink_cthelper.c +++ b/net/netfilter/nfnetlink_cthelper.c @@ -77,7 +77,8 @@ nfnl_cthelper_parse_tuple(struct nf_conntrack_tuple *tuple, int err; struct nlattr *tb[NFCTH_TUPLE_MAX+1]; - err = nla_parse_nested(tb, NFCTH_TUPLE_MAX, attr, nfnl_cthelper_tuple_pol); + err = nla_parse_nested(tb, NFCTH_TUPLE_MAX, attr, + nfnl_cthelper_tuple_pol, NULL); if (err < 0) return err; @@ -137,7 +138,8 @@ nfnl_cthelper_expect_policy(struct nf_conntrack_expect_policy *expect_policy, int err; struct nlattr *tb[NFCTH_POLICY_MAX+1]; - err = nla_parse_nested(tb, NFCTH_POLICY_MAX, attr, nfnl_cthelper_expect_pol); + err = nla_parse_nested(tb, NFCTH_POLICY_MAX, attr, + nfnl_cthelper_expect_pol, NULL); if (err < 0) return err; @@ -171,7 +173,7 @@ nfnl_cthelper_parse_expect_policy(struct nf_conntrack_helper *helper, unsigned int class_max; ret = nla_parse_nested(tb, NFCTH_POLICY_SET_MAX, attr, - nfnl_cthelper_expect_policy_set); + nfnl_cthelper_expect_policy_set, NULL); if (ret < 0) return ret; @@ -276,7 +278,7 @@ nfnl_cthelper_update_policy_one(const struct nf_conntrack_expect_policy *policy, int err; err = nla_parse_nested(tb, NFCTH_POLICY_MAX, attr, - nfnl_cthelper_expect_pol); + nfnl_cthelper_expect_pol, NULL); if (err < 0) return err; @@ -336,7 +338,7 @@ static int nfnl_cthelper_update_policy(struct nf_conntrack_helper *helper, int err; err = nla_parse_nested(tb, NFCTH_POLICY_SET_MAX, attr, - nfnl_cthelper_expect_policy_set); + nfnl_cthelper_expect_policy_set, NULL); if (err < 0) return err; diff --git a/net/netfilter/nfnetlink_cttimeout.c b/net/netfilter/nfnetlink_cttimeout.c index 57c2cdf7b691..0a3510e7e396 100644 --- a/net/netfilter/nfnetlink_cttimeout.c +++ b/net/netfilter/nfnetlink_cttimeout.c @@ -56,7 +56,8 @@ ctnl_timeout_parse_policy(void *timeouts, struct nf_conntrack_l4proto *l4proto, struct nlattr *tb[l4proto->ctnl_timeout.nlattr_max+1]; ret = nla_parse_nested(tb, l4proto->ctnl_timeout.nlattr_max, - attr, l4proto->ctnl_timeout.nla_policy); + attr, l4proto->ctnl_timeout.nla_policy, + NULL); if (ret < 0) return ret; diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c index 933509ebf3d3..3be6fef30581 100644 --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -1109,7 +1109,7 @@ static int nfqa_parse_bridge(struct nf_queue_entry *entry, int err; err = nla_parse_nested(tb, NFQA_VLAN_MAX, nfqa[NFQA_VLAN], - nfqa_vlan_policy); + nfqa_vlan_policy, NULL); if (err < 0) return err; diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c index fab6bf3f955e..d76d0f36799f 100644 --- a/net/netfilter/nft_compat.c +++ b/net/netfilter/nft_compat.c @@ -200,7 +200,7 @@ static int nft_parse_compat(const struct nlattr *attr, u16 *proto, bool *inv) int err; err = nla_parse_nested(tb, NFTA_RULE_COMPAT_MAX, attr, - nft_rule_compat_policy); + nft_rule_compat_policy, NULL); if (err < 0) return err; diff --git a/net/netfilter/nft_hash.c b/net/netfilter/nft_hash.c index a6a4633725bb..52a5079a91a3 100644 --- a/net/netfilter/nft_hash.c +++ b/net/netfilter/nft_hash.c @@ -21,6 +21,7 @@ struct nft_jhash { enum nft_registers sreg:8; enum nft_registers dreg:8; u8 len; + bool autogen_seed:1; u32 modulus; u32 seed; u32 offset; @@ -102,10 +103,12 @@ static int nft_jhash_init(const struct nft_ctx *ctx, if (priv->offset + priv->modulus - 1 < priv->offset) return -EOVERFLOW; - if (tb[NFTA_HASH_SEED]) + if (tb[NFTA_HASH_SEED]) { priv->seed = ntohl(nla_get_be32(tb[NFTA_HASH_SEED])); - else + } else { + priv->autogen_seed = true; get_random_bytes(&priv->seed, sizeof(priv->seed)); + } return nft_validate_register_load(priv->sreg, len) && nft_validate_register_store(ctx, priv->dreg, NULL, @@ -151,7 +154,8 @@ static int nft_jhash_dump(struct sk_buff *skb, goto nla_put_failure; if (nla_put_be32(skb, NFTA_HASH_MODULUS, htonl(priv->modulus))) goto nla_put_failure; - if (nla_put_be32(skb, NFTA_HASH_SEED, htonl(priv->seed))) + if (!priv->autogen_seed && + nla_put_be32(skb, NFTA_HASH_SEED, htonl(priv->seed))) goto nla_put_failure; if (priv->offset != 0) if (nla_put_be32(skb, NFTA_HASH_OFFSET, htonl(priv->offset))) diff --git a/net/netfilter/xt_TCPMSS.c b/net/netfilter/xt_TCPMSS.c index 27241a767f17..c64aca611ac5 100644 --- a/net/netfilter/xt_TCPMSS.c +++ b/net/netfilter/xt_TCPMSS.c @@ -104,7 +104,7 @@ tcpmss_mangle_packet(struct sk_buff *skb, tcph = (struct tcphdr *)(skb_network_header(skb) + tcphoff); tcp_hdrlen = tcph->doff * 4; - if (len < tcp_hdrlen) + if (len < tcp_hdrlen || tcp_hdrlen < sizeof(struct tcphdr)) return -1; if (info->mss == XT_TCPMSS_CLAMP_PMTU) { @@ -152,6 +152,10 @@ tcpmss_mangle_packet(struct sk_buff *skb, if (len > tcp_hdrlen) return 0; + /* tcph->doff has 4 bits, do not wrap it to 0 */ + if (tcp_hdrlen >= 15 * 4) + return 0; + /* * MSS Option not found ?! add it.. */ diff --git a/net/netfilter/xt_TPROXY.c b/net/netfilter/xt_TPROXY.c index 80cb7babeb64..df7f1df00330 100644 --- a/net/netfilter/xt_TPROXY.c +++ b/net/netfilter/xt_TPROXY.c @@ -393,7 +393,8 @@ tproxy_laddr6(struct sk_buff *skb, const struct in6_addr *user_laddr, rcu_read_lock(); indev = __in6_dev_get(skb->dev); - if (indev) + if (indev) { + read_lock_bh(&indev->lock); list_for_each_entry(ifa, &indev->addr_list, if_list) { if (ifa->flags & (IFA_F_TENTATIVE | IFA_F_DEPRECATED)) continue; @@ -401,6 +402,8 @@ tproxy_laddr6(struct sk_buff *skb, const struct in6_addr *user_laddr, laddr = &ifa->addr; break; } + read_unlock_bh(&indev->lock); + } rcu_read_unlock(); return laddr ? laddr : daddr; diff --git a/net/netlabel/netlabel_cipso_v4.c b/net/netlabel/netlabel_cipso_v4.c index 4149d3e63589..9aacf2da3d98 100644 --- a/net/netlabel/netlabel_cipso_v4.c +++ b/net/netlabel/netlabel_cipso_v4.c @@ -101,7 +101,7 @@ static int netlbl_cipsov4_add_common(struct genl_info *info, if (nla_validate_nested(info->attrs[NLBL_CIPSOV4_A_TAGLST], NLBL_CIPSOV4_A_MAX, - netlbl_cipsov4_genl_policy) != 0) + netlbl_cipsov4_genl_policy, NULL) != 0) return -EINVAL; nla_for_each_nested(nla, info->attrs[NLBL_CIPSOV4_A_TAGLST], nla_rem) @@ -148,7 +148,7 @@ static int netlbl_cipsov4_add_std(struct genl_info *info, if (nla_validate_nested(info->attrs[NLBL_CIPSOV4_A_MLSLVLLST], NLBL_CIPSOV4_A_MAX, - netlbl_cipsov4_genl_policy) != 0) + netlbl_cipsov4_genl_policy, NULL) != 0) return -EINVAL; doi_def = kmalloc(sizeof(*doi_def), GFP_KERNEL); @@ -170,10 +170,10 @@ static int netlbl_cipsov4_add_std(struct genl_info *info, info->attrs[NLBL_CIPSOV4_A_MLSLVLLST], nla_a_rem) if (nla_type(nla_a) == NLBL_CIPSOV4_A_MLSLVL) { - if (nla_validate_nested(nla_a, - NLBL_CIPSOV4_A_MAX, - netlbl_cipsov4_genl_policy) != 0) - goto add_std_failure; + if (nla_validate_nested(nla_a, NLBL_CIPSOV4_A_MAX, + netlbl_cipsov4_genl_policy, + NULL) != 0) + goto add_std_failure; nla_for_each_nested(nla_b, nla_a, nla_b_rem) switch (nla_type(nla_b)) { case NLBL_CIPSOV4_A_MLSLVLLOC: @@ -236,7 +236,7 @@ static int netlbl_cipsov4_add_std(struct genl_info *info, if (info->attrs[NLBL_CIPSOV4_A_MLSCATLST]) { if (nla_validate_nested(info->attrs[NLBL_CIPSOV4_A_MLSCATLST], NLBL_CIPSOV4_A_MAX, - netlbl_cipsov4_genl_policy) != 0) + netlbl_cipsov4_genl_policy, NULL) != 0) goto add_std_failure; nla_for_each_nested(nla_a, @@ -244,8 +244,9 @@ static int netlbl_cipsov4_add_std(struct genl_info *info, nla_a_rem) if (nla_type(nla_a) == NLBL_CIPSOV4_A_MLSCAT) { if (nla_validate_nested(nla_a, - NLBL_CIPSOV4_A_MAX, - netlbl_cipsov4_genl_policy) != 0) + NLBL_CIPSOV4_A_MAX, + netlbl_cipsov4_genl_policy, + NULL) != 0) goto add_std_failure; nla_for_each_nested(nla_b, nla_a, nla_b_rem) switch (nla_type(nla_b)) { diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index fc232441cf23..ee841f00a6ec 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -1652,6 +1652,13 @@ static int netlink_setsockopt(struct socket *sock, int level, int optname, nlk->flags &= ~NETLINK_F_CAP_ACK; err = 0; break; + case NETLINK_EXT_ACK: + if (val) + nlk->flags |= NETLINK_F_EXT_ACK; + else + nlk->flags &= ~NETLINK_F_EXT_ACK; + err = 0; + break; default: err = -ENOPROTOOPT; } @@ -1736,6 +1743,15 @@ static int netlink_getsockopt(struct socket *sock, int level, int optname, return -EFAULT; err = 0; break; + case NETLINK_EXT_ACK: + if (len < sizeof(int)) + return -EINVAL; + len = sizeof(int); + val = nlk->flags & NETLINK_F_EXT_ACK ? 1 : 0; + if (put_user(len, optlen) || put_user(val, optval)) + return -EFAULT; + err = 0; + break; default: err = -ENOPROTOOPT; } @@ -2267,21 +2283,44 @@ error_free: } EXPORT_SYMBOL(__netlink_dump_start); -void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err) +void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err, + const struct netlink_ext_ack *extack) { struct sk_buff *skb; struct nlmsghdr *rep; struct nlmsgerr *errmsg; size_t payload = sizeof(*errmsg); + size_t tlvlen = 0; struct netlink_sock *nlk = nlk_sk(NETLINK_CB(in_skb).sk); + unsigned int flags = 0; /* Error messages get the original request appened, unless the user - * requests to cap the error message. + * requests to cap the error message, and get extra error data if + * requested. */ - if (!(nlk->flags & NETLINK_F_CAP_ACK) && err) - payload += nlmsg_len(nlh); + if (err) { + if (!(nlk->flags & NETLINK_F_CAP_ACK)) + payload += nlmsg_len(nlh); + else + flags |= NLM_F_CAPPED; + if (nlk->flags & NETLINK_F_EXT_ACK && extack) { + if (extack->_msg) + tlvlen += nla_total_size(strlen(extack->_msg) + 1); + if (extack->bad_attr) + tlvlen += nla_total_size(sizeof(u32)); + } + } else { + flags |= NLM_F_CAPPED; + + if (nlk->flags & NETLINK_F_EXT_ACK && + extack && extack->cookie_len) + tlvlen += nla_total_size(extack->cookie_len); + } + + if (tlvlen) + flags |= NLM_F_ACK_TLVS; - skb = nlmsg_new(payload, GFP_KERNEL); + skb = nlmsg_new(payload + tlvlen, GFP_KERNEL); if (!skb) { struct sock *sk; @@ -2297,17 +2336,42 @@ void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err) } rep = __nlmsg_put(skb, NETLINK_CB(in_skb).portid, nlh->nlmsg_seq, - NLMSG_ERROR, payload, 0); + NLMSG_ERROR, payload, flags); errmsg = nlmsg_data(rep); errmsg->error = err; memcpy(&errmsg->msg, nlh, payload > sizeof(*errmsg) ? nlh->nlmsg_len : sizeof(*nlh)); + + if (nlk->flags & NETLINK_F_EXT_ACK && extack) { + if (err) { + if (extack->_msg) + WARN_ON(nla_put_string(skb, NLMSGERR_ATTR_MSG, + extack->_msg)); + if (extack->bad_attr && + !WARN_ON((u8 *)extack->bad_attr < in_skb->data || + (u8 *)extack->bad_attr >= in_skb->data + + in_skb->len)) + WARN_ON(nla_put_u32(skb, NLMSGERR_ATTR_OFFS, + (u8 *)extack->bad_attr - + in_skb->data)); + } else { + if (extack->cookie_len) + WARN_ON(nla_put(skb, NLMSGERR_ATTR_COOKIE, + extack->cookie_len, + extack->cookie)); + } + } + + nlmsg_end(skb, rep); + netlink_unicast(in_skb->sk, skb, NETLINK_CB(in_skb).portid, MSG_DONTWAIT); } EXPORT_SYMBOL(netlink_ack); int netlink_rcv_skb(struct sk_buff *skb, int (*cb)(struct sk_buff *, - struct nlmsghdr *)) + struct nlmsghdr *, + struct netlink_ext_ack *)) { + struct netlink_ext_ack extack = {}; struct nlmsghdr *nlh; int err; @@ -2328,13 +2392,13 @@ int netlink_rcv_skb(struct sk_buff *skb, int (*cb)(struct sk_buff *, if (nlh->nlmsg_type < NLMSG_MIN_TYPE) goto ack; - err = cb(skb, nlh); + err = cb(skb, nlh, &extack); if (err == -EINTR) goto skip; ack: if (nlh->nlmsg_flags & NLM_F_ACK || err) - netlink_ack(skb, nlh, err); + netlink_ack(skb, nlh, err, &extack); skip: msglen = NLMSG_ALIGN(nlh->nlmsg_len); diff --git a/net/netlink/af_netlink.h b/net/netlink/af_netlink.h index f792f8d7f982..3490f2430532 100644 --- a/net/netlink/af_netlink.h +++ b/net/netlink/af_netlink.h @@ -13,6 +13,7 @@ #define NETLINK_F_RECV_NO_ENOBUFS 0x8 #define NETLINK_F_LISTEN_ALL_NSID 0x10 #define NETLINK_F_CAP_ACK 0x20 +#define NETLINK_F_EXT_ACK 0x40 #define NLGRPSZ(x) (ALIGN(x, sizeof(unsigned long) * 8) / 8) #define NLGRPLONGS(x) (NLGRPSZ(x)/sizeof(unsigned long)) diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index 92e0981f7404..10f8b4cff40a 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -497,7 +497,8 @@ static int genl_lock_done(struct netlink_callback *cb) static int genl_family_rcv_msg(const struct genl_family *family, struct sk_buff *skb, - struct nlmsghdr *nlh) + struct nlmsghdr *nlh, + struct netlink_ext_ack *extack) { const struct genl_ops *ops; struct net *net = sock_net(skb->sk); @@ -573,7 +574,7 @@ static int genl_family_rcv_msg(const struct genl_family *family, if (attrbuf) { err = nlmsg_parse(nlh, hdrlen, attrbuf, family->maxattr, - ops->policy); + ops->policy, extack); if (err < 0) goto out; } @@ -584,6 +585,7 @@ static int genl_family_rcv_msg(const struct genl_family *family, info.genlhdr = nlmsg_data(nlh); info.userhdr = nlmsg_data(nlh) + GENL_HDRLEN; info.attrs = attrbuf; + info.extack = extack; genl_info_net_set(&info, net); memset(&info.user_ptr, 0, sizeof(info.user_ptr)); @@ -605,7 +607,8 @@ out: return err; } -static int genl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) +static int genl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, + struct netlink_ext_ack *extack) { const struct genl_family *family; int err; @@ -617,7 +620,7 @@ static int genl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) if (!family->parallel_ops) genl_lock(); - err = genl_family_rcv_msg(family, skb, nlh); + err = genl_family_rcv_msg(family, skb, nlh, extack); if (!family->parallel_ops) genl_unlock(); diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c index 03f3d5c7beb8..529443acd3bc 100644 --- a/net/nfc/netlink.c +++ b/net/nfc/netlink.c @@ -119,7 +119,8 @@ static struct nfc_dev *__get_device_from_cb(struct netlink_callback *cb) u32 idx; rc = nlmsg_parse(cb->nlh, GENL_HDRLEN + nfc_genl_family.hdrsize, - attrbuf, nfc_genl_family.maxattr, nfc_genl_policy); + attrbuf, nfc_genl_family.maxattr, nfc_genl_policy, + NULL); if (rc < 0) return ERR_PTR(rc); @@ -1161,7 +1162,7 @@ static int nfc_genl_llc_sdreq(struct sk_buff *skb, struct genl_info *info) nla_for_each_nested(attr, info->attrs[NFC_ATTR_LLC_SDP], rem) { rc = nla_parse_nested(sdp_attrs, NFC_SDP_ATTR_MAX, attr, - nfc_sdp_genl_policy); + nfc_sdp_genl_policy, info->extack); if (rc != 0) { rc = -EINVAL; diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index 9c62b6325f7a..7b17da9a94a0 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -1353,7 +1353,7 @@ static int ovs_flow_cmd_dump(struct sk_buff *skb, struct netlink_callback *cb) int err; err = genlmsg_parse(cb->nlh, &dp_flow_genl_family, a, - OVS_FLOW_ATTR_MAX, flow_policy); + OVS_FLOW_ATTR_MAX, flow_policy, NULL); if (err) return err; ufid_flags = ovs_nla_get_ufid_flags(a[OVS_FLOW_ATTR_UFID_FLAGS]); diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c index df82b81a9b35..7e1d8a2afa63 100644 --- a/net/openvswitch/flow_netlink.c +++ b/net/openvswitch/flow_netlink.c @@ -2427,8 +2427,8 @@ static int validate_userspace(const struct nlattr *attr) struct nlattr *a[OVS_USERSPACE_ATTR_MAX + 1]; int error; - error = nla_parse_nested(a, OVS_USERSPACE_ATTR_MAX, - attr, userspace_policy); + error = nla_parse_nested(a, OVS_USERSPACE_ATTR_MAX, attr, + userspace_policy, NULL); if (error) return error; diff --git a/net/openvswitch/vport-vxlan.c b/net/openvswitch/vport-vxlan.c index 7eb955e453e6..869acb3b3d3f 100644 --- a/net/openvswitch/vport-vxlan.c +++ b/net/openvswitch/vport-vxlan.c @@ -70,7 +70,8 @@ static int vxlan_configure_exts(struct vport *vport, struct nlattr *attr, if (nla_len(attr) < sizeof(struct nlattr)) return -EINVAL; - err = nla_parse_nested(exts, OVS_VXLAN_EXT_MAX, attr, exts_policy); + err = nla_parse_nested(exts, OVS_VXLAN_EXT_MAX, attr, exts_policy, + NULL); if (err < 0) return err; diff --git a/net/phonet/pn_netlink.c b/net/phonet/pn_netlink.c index bc5ee5fbe6ae..363799bf97f6 100644 --- a/net/phonet/pn_netlink.c +++ b/net/phonet/pn_netlink.c @@ -78,7 +78,8 @@ static int addr_doit(struct sk_buff *skb, struct nlmsghdr *nlh) ASSERT_RTNL(); - err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_phonet_policy); + err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_phonet_policy, + NULL); if (err < 0) return err; @@ -243,7 +244,8 @@ static int route_doit(struct sk_buff *skb, struct nlmsghdr *nlh) ASSERT_RTNL(); - err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_phonet_policy); + err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_phonet_policy, + NULL); if (err < 0) return err; diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c index ae5ac175b2be..7fdbb34002f5 100644 --- a/net/qrtr/qrtr.c +++ b/net/qrtr/qrtr.c @@ -957,7 +957,7 @@ static int qrtr_addr_doit(struct sk_buff *skb, struct nlmsghdr *nlh) ASSERT_RTNL(); - rc = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, qrtr_policy); + rc = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, qrtr_policy, NULL); if (rc < 0) return rc; diff --git a/net/sched/Kconfig b/net/sched/Kconfig index 403790cce7d2..9fb84f0de6af 100644 --- a/net/sched/Kconfig +++ b/net/sched/Kconfig @@ -352,6 +352,51 @@ config NET_SCH_PLUG To compile this code as a module, choose M here: the module will be called sch_plug. +menuconfig NET_SCH_DEFAULT + bool "Allow override default queue discipline" + ---help--- + Support for selection of default queuing discipline. + + Nearly all users can safely say no here, and the default + of pfifo_fast will be used. Many distributions already set + the default value via /proc/sys/net/core/default_qdisc. + + If unsure, say N. + +if NET_SCH_DEFAULT + +choice + prompt "Default queuing discipline" + default DEFAULT_PFIFO_FAST + help + Select the queueing discipline that will be used by default + for all network devices. + + config DEFAULT_FQ + bool "Fair Queue" if NET_SCH_FQ + + config DEFAULT_CODEL + bool "Controlled Delay" if NET_SCH_CODEL + + config DEFAULT_FQ_CODEL + bool "Fair Queue Controlled Delay" if NET_SCH_FQ_CODEL + + config DEFAULT_SFQ + bool "Stochastic Fair Queue" if NET_SCH_SFQ + + config DEFAULT_PFIFO_FAST + bool "Priority FIFO Fast" +endchoice + +config DEFAULT_NET_SCH + string + default "pfifo_fast" if DEFAULT_PFIFO_FAST + default "fq" if DEFAULT_FQ + default "fq_codel" if DEFAULT_FQ_CODEL + default "sfq" if DEFAULT_SFQ + default "pfifo_fast" +endif + comment "Classification" config NET_CLS diff --git a/net/sched/act_api.c b/net/sched/act_api.c index b70aa57319ea..79d875c6e8a0 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -557,7 +557,7 @@ struct tc_action *tcf_action_init_1(struct net *net, struct nlattr *nla, int err; if (name == NULL) { - err = nla_parse_nested(tb, TCA_ACT_MAX, nla, NULL); + err = nla_parse_nested(tb, TCA_ACT_MAX, nla, NULL, NULL); if (err < 0) goto err_out; err = -EINVAL; @@ -654,7 +654,7 @@ int tcf_action_init(struct net *net, struct nlattr *nla, struct nlattr *est, int err; int i; - err = nla_parse_nested(tb, TCA_ACT_MAX_PRIO, nla, NULL); + err = nla_parse_nested(tb, TCA_ACT_MAX_PRIO, nla, NULL, NULL); if (err < 0) return err; @@ -786,7 +786,7 @@ static struct tc_action *tcf_action_get_1(struct net *net, struct nlattr *nla, int index; int err; - err = nla_parse_nested(tb, TCA_ACT_MAX, nla, NULL); + err = nla_parse_nested(tb, TCA_ACT_MAX, nla, NULL, NULL); if (err < 0) goto err_out; @@ -835,7 +835,7 @@ static int tca_action_flush(struct net *net, struct nlattr *nla, b = skb_tail_pointer(skb); - err = nla_parse_nested(tb, TCA_ACT_MAX, nla, NULL); + err = nla_parse_nested(tb, TCA_ACT_MAX, nla, NULL, NULL); if (err < 0) goto err_out; @@ -921,7 +921,7 @@ tca_action_gd(struct net *net, struct nlattr *nla, struct nlmsghdr *n, struct tc_action *act; LIST_HEAD(actions); - ret = nla_parse_nested(tb, TCA_ACT_MAX_PRIO, nla, NULL); + ret = nla_parse_nested(tb, TCA_ACT_MAX_PRIO, nla, NULL, NULL); if (ret < 0) return ret; @@ -1004,7 +1004,8 @@ static int tc_ctl_action(struct sk_buff *skb, struct nlmsghdr *n) !netlink_capable(skb, CAP_NET_ADMIN)) return -EPERM; - ret = nlmsg_parse(n, sizeof(struct tcamsg), tca, TCA_ACT_MAX, NULL); + ret = nlmsg_parse(n, sizeof(struct tcamsg), tca, TCA_ACT_MAX, NULL, + NULL); if (ret < 0) return ret; @@ -1051,19 +1052,20 @@ static struct nlattr *find_dump_kind(const struct nlmsghdr *n) struct nlattr *nla[TCAA_MAX + 1]; struct nlattr *kind; - if (nlmsg_parse(n, sizeof(struct tcamsg), nla, TCAA_MAX, NULL) < 0) + if (nlmsg_parse(n, sizeof(struct tcamsg), nla, TCAA_MAX, + NULL, NULL) < 0) return NULL; tb1 = nla[TCA_ACT_TAB]; if (tb1 == NULL) return NULL; if (nla_parse(tb, TCA_ACT_MAX_PRIO, nla_data(tb1), - NLMSG_ALIGN(nla_len(tb1)), NULL) < 0) + NLMSG_ALIGN(nla_len(tb1)), NULL, NULL) < 0) return NULL; if (tb[1] == NULL) return NULL; - if (nla_parse_nested(tb2, TCA_ACT_MAX, tb[1], NULL) < 0) + if (nla_parse_nested(tb2, TCA_ACT_MAX, tb[1], NULL, NULL) < 0) return NULL; kind = tb2[TCA_ACT_KIND]; diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c index 520baa41cba3..d33947d6e9d0 100644 --- a/net/sched/act_bpf.c +++ b/net/sched/act_bpf.c @@ -283,7 +283,7 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla, if (!nla) return -EINVAL; - ret = nla_parse_nested(tb, TCA_ACT_BPF_MAX, nla, act_bpf_policy); + ret = nla_parse_nested(tb, TCA_ACT_BPF_MAX, nla, act_bpf_policy, NULL); if (ret < 0) return ret; diff --git a/net/sched/act_connmark.c b/net/sched/act_connmark.c index f9bb43c25697..2155bc6c6a1e 100644 --- a/net/sched/act_connmark.c +++ b/net/sched/act_connmark.c @@ -109,7 +109,8 @@ static int tcf_connmark_init(struct net *net, struct nlattr *nla, if (!nla) return -EINVAL; - ret = nla_parse_nested(tb, TCA_CONNMARK_MAX, nla, connmark_policy); + ret = nla_parse_nested(tb, TCA_CONNMARK_MAX, nla, connmark_policy, + NULL); if (ret < 0) return ret; diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c index 6c319a40c1cc..ab6fdbd34db7 100644 --- a/net/sched/act_csum.c +++ b/net/sched/act_csum.c @@ -59,7 +59,7 @@ static int tcf_csum_init(struct net *net, struct nlattr *nla, if (nla == NULL) return -EINVAL; - err = nla_parse_nested(tb, TCA_CSUM_MAX, nla, csum_policy); + err = nla_parse_nested(tb, TCA_CSUM_MAX, nla, csum_policy, NULL); if (err < 0) return err; diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c index e6c874a2b283..99afe8b1f1fb 100644 --- a/net/sched/act_gact.c +++ b/net/sched/act_gact.c @@ -73,7 +73,7 @@ static int tcf_gact_init(struct net *net, struct nlattr *nla, if (nla == NULL) return -EINVAL; - err = nla_parse_nested(tb, TCA_GACT_MAX, nla, gact_policy); + err = nla_parse_nested(tb, TCA_GACT_MAX, nla, gact_policy, NULL); if (err < 0) return err; diff --git a/net/sched/act_ife.c b/net/sched/act_ife.c index c75ea5c9102c..c5dec308b8b1 100644 --- a/net/sched/act_ife.c +++ b/net/sched/act_ife.c @@ -443,7 +443,7 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla, int ret = 0; int err; - err = nla_parse_nested(tb, TCA_IFE_MAX, nla, ife_policy); + err = nla_parse_nested(tb, TCA_IFE_MAX, nla, ife_policy, NULL); if (err < 0) return err; @@ -514,7 +514,7 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla, if (tb[TCA_IFE_METALST]) { err = nla_parse_nested(tb2, IFE_META_MAX, tb[TCA_IFE_METALST], - NULL); + NULL, NULL); if (err) { metadata_parse_err: if (exists) diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c index 992ef8d624f1..36f0ced9e60c 100644 --- a/net/sched/act_ipt.c +++ b/net/sched/act_ipt.c @@ -107,7 +107,7 @@ static int __tcf_ipt_init(struct tc_action_net *tn, struct nlattr *nla, if (nla == NULL) return -EINVAL; - err = nla_parse_nested(tb, TCA_IPT_MAX, nla, ipt_policy); + err = nla_parse_nested(tb, TCA_IPT_MAX, nla, ipt_policy, NULL); if (err < 0) return err; diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c index af49c7dca860..1b5549ababd4 100644 --- a/net/sched/act_mirred.c +++ b/net/sched/act_mirred.c @@ -87,7 +87,7 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla, if (nla == NULL) return -EINVAL; - ret = nla_parse_nested(tb, TCA_MIRRED_MAX, nla, mirred_policy); + ret = nla_parse_nested(tb, TCA_MIRRED_MAX, nla, mirred_policy, NULL); if (ret < 0) return ret; if (tb[TCA_MIRRED_PARMS] == NULL) diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c index 9b6aec665495..9016ab8a0649 100644 --- a/net/sched/act_nat.c +++ b/net/sched/act_nat.c @@ -50,7 +50,7 @@ static int tcf_nat_init(struct net *net, struct nlattr *nla, struct nlattr *est, if (nla == NULL) return -EINVAL; - err = nla_parse_nested(tb, TCA_NAT_MAX, nla, nat_policy); + err = nla_parse_nested(tb, TCA_NAT_MAX, nla, nat_policy, NULL); if (err < 0) return err; diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c index c1310472f620..164b5ac094be 100644 --- a/net/sched/act_pedit.c +++ b/net/sched/act_pedit.c @@ -72,7 +72,7 @@ static struct tcf_pedit_key_ex *tcf_pedit_keys_ex_parse(struct nlattr *nla, } err = nla_parse_nested(tb, TCA_PEDIT_KEY_EX_MAX, ka, - pedit_key_ex_policy); + pedit_key_ex_policy, NULL); if (err) goto err_out; @@ -147,7 +147,7 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla, if (nla == NULL) return -EINVAL; - err = nla_parse_nested(tb, TCA_PEDIT_MAX, nla, pedit_policy); + err = nla_parse_nested(tb, TCA_PEDIT_MAX, nla, pedit_policy, NULL); if (err < 0) return err; diff --git a/net/sched/act_police.c b/net/sched/act_police.c index 0ba91d1ce994..f42008b29311 100644 --- a/net/sched/act_police.c +++ b/net/sched/act_police.c @@ -90,7 +90,7 @@ static int tcf_act_police_init(struct net *net, struct nlattr *nla, if (nla == NULL) return -EINVAL; - err = nla_parse_nested(tb, TCA_POLICE_MAX, nla, police_policy); + err = nla_parse_nested(tb, TCA_POLICE_MAX, nla, police_policy, NULL); if (err < 0) return err; diff --git a/net/sched/act_sample.c b/net/sched/act_sample.c index 0b8217b4763f..59d6645a4007 100644 --- a/net/sched/act_sample.c +++ b/net/sched/act_sample.c @@ -50,7 +50,7 @@ static int tcf_sample_init(struct net *net, struct nlattr *nla, if (!nla) return -EINVAL; - ret = nla_parse_nested(tb, TCA_SAMPLE_MAX, nla, sample_policy); + ret = nla_parse_nested(tb, TCA_SAMPLE_MAX, nla, sample_policy, NULL); if (ret < 0) return ret; if (!tb[TCA_SAMPLE_PARMS] || !tb[TCA_SAMPLE_RATE] || diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c index 823a73ad0c60..43605e7ce051 100644 --- a/net/sched/act_simple.c +++ b/net/sched/act_simple.c @@ -94,7 +94,7 @@ static int tcf_simp_init(struct net *net, struct nlattr *nla, if (nla == NULL) return -EINVAL; - err = nla_parse_nested(tb, TCA_DEF_MAX, nla, simple_policy); + err = nla_parse_nested(tb, TCA_DEF_MAX, nla, simple_policy, NULL); if (err < 0) return err; diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c index 06ccae3c12ee..6b3e65d7de0c 100644 --- a/net/sched/act_skbedit.c +++ b/net/sched/act_skbedit.c @@ -82,7 +82,7 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla, if (nla == NULL) return -EINVAL; - err = nla_parse_nested(tb, TCA_SKBEDIT_MAX, nla, skbedit_policy); + err = nla_parse_nested(tb, TCA_SKBEDIT_MAX, nla, skbedit_policy, NULL); if (err < 0) return err; diff --git a/net/sched/act_skbmod.c b/net/sched/act_skbmod.c index c736627f8f4a..a73c4bbcada2 100644 --- a/net/sched/act_skbmod.c +++ b/net/sched/act_skbmod.c @@ -103,7 +103,7 @@ static int tcf_skbmod_init(struct net *net, struct nlattr *nla, if (!nla) return -EINVAL; - err = nla_parse_nested(tb, TCA_SKBMOD_MAX, nla, skbmod_policy); + err = nla_parse_nested(tb, TCA_SKBMOD_MAX, nla, skbmod_policy, NULL); if (err < 0) return err; diff --git a/net/sched/act_tunnel_key.c b/net/sched/act_tunnel_key.c index e3a58e021198..b9a2f241a5b3 100644 --- a/net/sched/act_tunnel_key.c +++ b/net/sched/act_tunnel_key.c @@ -89,7 +89,8 @@ static int tunnel_key_init(struct net *net, struct nlattr *nla, if (!nla) return -EINVAL; - err = nla_parse_nested(tb, TCA_TUNNEL_KEY_MAX, nla, tunnel_key_policy); + err = nla_parse_nested(tb, TCA_TUNNEL_KEY_MAX, nla, tunnel_key_policy, + NULL); if (err < 0) return err; diff --git a/net/sched/act_vlan.c b/net/sched/act_vlan.c index 19e0dba305ce..13ba3a89f675 100644 --- a/net/sched/act_vlan.c +++ b/net/sched/act_vlan.c @@ -121,7 +121,7 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla, if (!nla) return -EINVAL; - err = nla_parse_nested(tb, TCA_VLAN_MAX, nla, vlan_policy); + err = nla_parse_nested(tb, TCA_VLAN_MAX, nla, vlan_policy, NULL); if (err < 0) return err; diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index 732f7cae459d..e2c68c30f97d 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -229,7 +229,7 @@ static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n) replay: tp_created = 0; - err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, NULL); + err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, NULL, NULL); if (err < 0) return err; diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c index 5877f6061b57..422414f16b38 100644 --- a/net/sched/cls_basic.c +++ b/net/sched/cls_basic.c @@ -174,7 +174,7 @@ static int basic_change(struct net *net, struct sk_buff *in_skb, return -EINVAL; err = nla_parse_nested(tb, TCA_BASIC_MAX, tca[TCA_OPTIONS], - basic_policy); + basic_policy, NULL); if (err < 0) return err; diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c index 80f688436dd7..7ddd08efaa0f 100644 --- a/net/sched/cls_bpf.c +++ b/net/sched/cls_bpf.c @@ -478,7 +478,8 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb, if (tca[TCA_OPTIONS] == NULL) return -EINVAL; - ret = nla_parse_nested(tb, TCA_BPF_MAX, tca[TCA_OPTIONS], bpf_policy); + ret = nla_parse_nested(tb, TCA_BPF_MAX, tca[TCA_OPTIONS], bpf_policy, + NULL); if (ret < 0) return ret; diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c index c1f20077837f..b5e7c1bee6c3 100644 --- a/net/sched/cls_cgroup.c +++ b/net/sched/cls_cgroup.c @@ -99,7 +99,7 @@ static int cls_cgroup_change(struct net *net, struct sk_buff *in_skb, new->handle = handle; new->tp = tp; err = nla_parse_nested(tb, TCA_CGROUP_MAX, tca[TCA_OPTIONS], - cgroup_policy); + cgroup_policy, NULL); if (err < 0) goto errout; diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c index ca193af8634a..008ba7e63b7a 100644 --- a/net/sched/cls_flow.c +++ b/net/sched/cls_flow.c @@ -400,7 +400,7 @@ static int flow_change(struct net *net, struct sk_buff *in_skb, if (opt == NULL) return -EINVAL; - err = nla_parse_nested(tb, TCA_FLOW_MAX, opt, flow_policy); + err = nla_parse_nested(tb, TCA_FLOW_MAX, opt, flow_policy, NULL); if (err < 0) return err; diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c index 9d0c99d2e9fb..3e7bd7801aa8 100644 --- a/net/sched/cls_flower.c +++ b/net/sched/cls_flower.c @@ -848,7 +848,8 @@ static int fl_change(struct net *net, struct sk_buff *in_skb, if (!tb) return -ENOBUFS; - err = nla_parse_nested(tb, TCA_FLOWER_MAX, tca[TCA_OPTIONS], fl_policy); + err = nla_parse_nested(tb, TCA_FLOWER_MAX, tca[TCA_OPTIONS], + fl_policy, NULL); if (err < 0) goto errout_tb; diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c index 9dc63d54e167..996209083c6b 100644 --- a/net/sched/cls_fw.c +++ b/net/sched/cls_fw.c @@ -250,7 +250,7 @@ static int fw_change(struct net *net, struct sk_buff *in_skb, if (!opt) return handle ? -EINVAL : 0; /* Succeed if it is old method. */ - err = nla_parse_nested(tb, TCA_FW_MAX, opt, fw_policy); + err = nla_parse_nested(tb, TCA_FW_MAX, opt, fw_policy, NULL); if (err < 0) return err; diff --git a/net/sched/cls_matchall.c b/net/sched/cls_matchall.c index 224eb2c14346..0dbcca62aa6a 100644 --- a/net/sched/cls_matchall.c +++ b/net/sched/cls_matchall.c @@ -161,8 +161,8 @@ static int mall_change(struct net *net, struct sk_buff *in_skb, if (head) return -EEXIST; - err = nla_parse_nested(tb, TCA_MATCHALL_MAX, - tca[TCA_OPTIONS], mall_policy); + err = nla_parse_nested(tb, TCA_MATCHALL_MAX, tca[TCA_OPTIONS], + mall_policy, NULL); if (err < 0) return err; diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c index 455fc8f83d0a..a371075c1d7a 100644 --- a/net/sched/cls_route.c +++ b/net/sched/cls_route.c @@ -489,7 +489,7 @@ static int route4_change(struct net *net, struct sk_buff *in_skb, if (opt == NULL) return handle ? -EINVAL : 0; - err = nla_parse_nested(tb, TCA_ROUTE4_MAX, opt, route4_policy); + err = nla_parse_nested(tb, TCA_ROUTE4_MAX, opt, route4_policy, NULL); if (err < 0) return err; diff --git a/net/sched/cls_rsvp.h b/net/sched/cls_rsvp.h index 322438fb3ffc..d7f2923e6ebd 100644 --- a/net/sched/cls_rsvp.h +++ b/net/sched/cls_rsvp.h @@ -484,7 +484,7 @@ static int rsvp_change(struct net *net, struct sk_buff *in_skb, if (opt == NULL) return handle ? -EINVAL : 0; - err = nla_parse_nested(tb, TCA_RSVP_MAX, opt, rsvp_policy); + err = nla_parse_nested(tb, TCA_RSVP_MAX, opt, rsvp_policy, NULL); if (err < 0) return err; diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c index 0751245a6ace..2ab001361457 100644 --- a/net/sched/cls_tcindex.c +++ b/net/sched/cls_tcindex.c @@ -482,7 +482,7 @@ tcindex_change(struct net *net, struct sk_buff *in_skb, if (!opt) return 0; - err = nla_parse_nested(tb, TCA_TCINDEX_MAX, opt, tcindex_policy); + err = nla_parse_nested(tb, TCA_TCINDEX_MAX, opt, tcindex_policy, NULL); if (err < 0) return err; diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c index 4dbe0c680fe6..9e2f330ac80f 100644 --- a/net/sched/cls_u32.c +++ b/net/sched/cls_u32.c @@ -860,7 +860,7 @@ static int u32_change(struct net *net, struct sk_buff *in_skb, if (opt == NULL) return handle ? -EINVAL : 0; - err = nla_parse_nested(tb, TCA_U32_MAX, opt, u32_policy); + err = nla_parse_nested(tb, TCA_U32_MAX, opt, u32_policy, NULL); if (err < 0) return err; diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c index ae7e4f5b348b..eb0e9bab54c1 100644 --- a/net/sched/em_meta.c +++ b/net/sched/em_meta.c @@ -912,7 +912,7 @@ static int em_meta_change(struct net *net, void *data, int len, struct tcf_meta_hdr *hdr; struct meta_match *meta = NULL; - err = nla_parse(tb, TCA_EM_META_MAX, data, len, meta_policy); + err = nla_parse(tb, TCA_EM_META_MAX, data, len, meta_policy, NULL); if (err < 0) goto errout; diff --git a/net/sched/ematch.c b/net/sched/ematch.c index fbb7ebfc58c6..03b677bc0700 100644 --- a/net/sched/ematch.c +++ b/net/sched/ematch.c @@ -314,7 +314,7 @@ int tcf_em_tree_validate(struct tcf_proto *tp, struct nlattr *nla, if (!nla) return 0; - err = nla_parse_nested(tb, TCA_EMATCH_TREE_MAX, nla, em_policy); + err = nla_parse_nested(tb, TCA_EMATCH_TREE_MAX, nla, em_policy, NULL); if (err < 0) goto errout; diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 62567bfe52c7..9b09ef9f944d 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -251,6 +251,15 @@ int qdisc_set_default(const char *name) return ops ? 0 : -ENOENT; } +#ifdef CONFIG_NET_SCH_DEFAULT +/* Set default value from kernel config */ +static int __init sch_default_qdisc(void) +{ + return qdisc_set_default(CONFIG_DEFAULT_NET_SCH); +} +late_initcall(sch_default_qdisc); +#endif + /* We know handle. Find qdisc among all qdisc's attached to device * (root qdisc, all its children, children of children etc.) * Note: caller either uses rtnl or rcu_read_lock() @@ -457,7 +466,7 @@ static struct qdisc_size_table *qdisc_get_stab(struct nlattr *opt) u16 *tab = NULL; int err; - err = nla_parse_nested(tb, TCA_STAB_MAX, opt, stab_policy); + err = nla_parse_nested(tb, TCA_STAB_MAX, opt, stab_policy, NULL); if (err < 0) return ERR_PTR(err); if (!tb[TCA_STAB_BASE]) @@ -1131,7 +1140,7 @@ static int tc_get_qdisc(struct sk_buff *skb, struct nlmsghdr *n) !netlink_ns_capable(skb, net->user_ns, CAP_NET_ADMIN)) return -EPERM; - err = nlmsg_parse(n, sizeof(*tcm), tca, TCA_MAX, NULL); + err = nlmsg_parse(n, sizeof(*tcm), tca, TCA_MAX, NULL, NULL); if (err < 0) return err; @@ -1200,7 +1209,7 @@ static int tc_modify_qdisc(struct sk_buff *skb, struct nlmsghdr *n) replay: /* Reinit, just in case something touches this. */ - err = nlmsg_parse(n, sizeof(*tcm), tca, TCA_MAX, NULL); + err = nlmsg_parse(n, sizeof(*tcm), tca, TCA_MAX, NULL, NULL); if (err < 0) return err; @@ -1515,7 +1524,7 @@ static int tc_dump_qdisc(struct sk_buff *skb, struct netlink_callback *cb) idx = 0; ASSERT_RTNL(); - err = nlmsg_parse(nlh, sizeof(*tcm), tca, TCA_MAX, NULL); + err = nlmsg_parse(nlh, sizeof(*tcm), tca, TCA_MAX, NULL, NULL); if (err < 0) return err; @@ -1577,7 +1586,7 @@ static int tc_ctl_tclass(struct sk_buff *skb, struct nlmsghdr *n) !netlink_ns_capable(skb, net->user_ns, CAP_NET_ADMIN)) return -EPERM; - err = nlmsg_parse(n, sizeof(*tcm), tca, TCA_MAX, NULL); + err = nlmsg_parse(n, sizeof(*tcm), tca, TCA_MAX, NULL, NULL); if (err < 0) return err; diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c index 2209c2ddacbf..40cbceed4de8 100644 --- a/net/sched/sch_atm.c +++ b/net/sched/sch_atm.c @@ -214,7 +214,7 @@ static int atm_tc_change(struct Qdisc *sch, u32 classid, u32 parent, if (opt == NULL) return -EINVAL; - error = nla_parse_nested(tb, TCA_ATM_MAX, opt, atm_policy); + error = nla_parse_nested(tb, TCA_ATM_MAX, opt, atm_policy, NULL); if (error < 0) return error; diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c index cf93e5ff3d63..7415859fd4c3 100644 --- a/net/sched/sch_cbq.c +++ b/net/sched/sch_cbq.c @@ -1137,7 +1137,7 @@ static int cbq_init(struct Qdisc *sch, struct nlattr *opt) struct tc_ratespec *r; int err; - err = nla_parse_nested(tb, TCA_CBQ_MAX, opt, cbq_policy); + err = nla_parse_nested(tb, TCA_CBQ_MAX, opt, cbq_policy, NULL); if (err < 0) return err; @@ -1474,7 +1474,7 @@ cbq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, struct nlattr **t if (opt == NULL) return -EINVAL; - err = nla_parse_nested(tb, TCA_CBQ_MAX, opt, cbq_policy); + err = nla_parse_nested(tb, TCA_CBQ_MAX, opt, cbq_policy, NULL); if (err < 0) return err; diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c index 593183a5b5b5..d00f4c7c2f3a 100644 --- a/net/sched/sch_choke.c +++ b/net/sched/sch_choke.c @@ -357,7 +357,7 @@ static int choke_change(struct Qdisc *sch, struct nlattr *opt) if (opt == NULL) return -EINVAL; - err = nla_parse_nested(tb, TCA_CHOKE_MAX, opt, choke_policy); + err = nla_parse_nested(tb, TCA_CHOKE_MAX, opt, choke_policy, NULL); if (err < 0) return err; diff --git a/net/sched/sch_codel.c b/net/sched/sch_codel.c index 5bfa79ee657c..c518a1efcb9d 100644 --- a/net/sched/sch_codel.c +++ b/net/sched/sch_codel.c @@ -140,7 +140,7 @@ static int codel_change(struct Qdisc *sch, struct nlattr *opt) if (!opt) return -EINVAL; - err = nla_parse_nested(tb, TCA_CODEL_MAX, opt, codel_policy); + err = nla_parse_nested(tb, TCA_CODEL_MAX, opt, codel_policy, NULL); if (err < 0) return err; diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c index 9fe67e257dfa..58a8c32eab23 100644 --- a/net/sched/sch_drr.c +++ b/net/sched/sch_drr.c @@ -76,7 +76,7 @@ static int drr_change_class(struct Qdisc *sch, u32 classid, u32 parentid, if (!opt) return -EINVAL; - err = nla_parse_nested(tb, TCA_DRR_MAX, opt, drr_policy); + err = nla_parse_nested(tb, TCA_DRR_MAX, opt, drr_policy, NULL); if (err < 0) return err; diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c index cfa1f2cdbaf7..1c0f877f673a 100644 --- a/net/sched/sch_dsmark.c +++ b/net/sched/sch_dsmark.c @@ -129,7 +129,7 @@ static int dsmark_change(struct Qdisc *sch, u32 classid, u32 parent, if (!opt) goto errout; - err = nla_parse_nested(tb, TCA_DSMARK_MAX, opt, dsmark_policy); + err = nla_parse_nested(tb, TCA_DSMARK_MAX, opt, dsmark_policy, NULL); if (err < 0) goto errout; @@ -342,7 +342,7 @@ static int dsmark_init(struct Qdisc *sch, struct nlattr *opt) if (!opt) goto errout; - err = nla_parse_nested(tb, TCA_DSMARK_MAX, opt, dsmark_policy); + err = nla_parse_nested(tb, TCA_DSMARK_MAX, opt, dsmark_policy, NULL); if (err < 0) goto errout; diff --git a/net/sched/sch_fq.c b/net/sched/sch_fq.c index a4f738ac7728..da4f67bda0ee 100644 --- a/net/sched/sch_fq.c +++ b/net/sched/sch_fq.c @@ -698,7 +698,7 @@ static int fq_change(struct Qdisc *sch, struct nlattr *opt) if (!opt) return -EINVAL; - err = nla_parse_nested(tb, TCA_FQ_MAX, opt, fq_policy); + err = nla_parse_nested(tb, TCA_FQ_MAX, opt, fq_policy, NULL); if (err < 0) return err; diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c index 097bbe9857a5..18bbb5476c83 100644 --- a/net/sched/sch_fq_codel.c +++ b/net/sched/sch_fq_codel.c @@ -383,7 +383,8 @@ static int fq_codel_change(struct Qdisc *sch, struct nlattr *opt) if (!opt) return -EINVAL; - err = nla_parse_nested(tb, TCA_FQ_CODEL_MAX, opt, fq_codel_policy); + err = nla_parse_nested(tb, TCA_FQ_CODEL_MAX, opt, fq_codel_policy, + NULL); if (err < 0) return err; if (tb[TCA_FQ_CODEL_FLOWS]) { diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 3e64d23e098c..52a2c55f6d9e 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -794,7 +794,7 @@ static void attach_default_qdiscs(struct net_device *dev) } } #ifdef CONFIG_NET_SCHED - if (dev->qdisc) + if (dev->qdisc != &noop_qdisc) qdisc_hash_add(dev->qdisc, false); #endif } diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c index c78a093c551a..17c7130454bd 100644 --- a/net/sched/sch_gred.c +++ b/net/sched/sch_gred.c @@ -401,7 +401,7 @@ static int gred_change(struct Qdisc *sch, struct nlattr *opt) if (opt == NULL) return -EINVAL; - err = nla_parse_nested(tb, TCA_GRED_MAX, opt, gred_policy); + err = nla_parse_nested(tb, TCA_GRED_MAX, opt, gred_policy, NULL); if (err < 0) return err; @@ -470,7 +470,7 @@ static int gred_init(struct Qdisc *sch, struct nlattr *opt) if (opt == NULL) return -EINVAL; - err = nla_parse_nested(tb, TCA_GRED_MAX, opt, gred_policy); + err = nla_parse_nested(tb, TCA_GRED_MAX, opt, gred_policy, NULL); if (err < 0) return err; diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c index 0198c6cdda49..5cb82f6c1b06 100644 --- a/net/sched/sch_hfsc.c +++ b/net/sched/sch_hfsc.c @@ -957,7 +957,7 @@ hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid, if (opt == NULL) return -EINVAL; - err = nla_parse_nested(tb, TCA_HFSC_MAX, opt, hfsc_policy); + err = nla_parse_nested(tb, TCA_HFSC_MAX, opt, hfsc_policy, NULL); if (err < 0) return err; diff --git a/net/sched/sch_hhf.c b/net/sched/sch_hhf.c index 2fae8b5f1b80..c19d346e6c5a 100644 --- a/net/sched/sch_hhf.c +++ b/net/sched/sch_hhf.c @@ -529,7 +529,7 @@ static int hhf_change(struct Qdisc *sch, struct nlattr *opt) if (!opt) return -EINVAL; - err = nla_parse_nested(tb, TCA_HHF_MAX, opt, hhf_policy); + err = nla_parse_nested(tb, TCA_HHF_MAX, opt, hhf_policy, NULL); if (err < 0) return err; diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c index 95867033542e..570ef3b0c09b 100644 --- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -1017,7 +1017,7 @@ static int htb_init(struct Qdisc *sch, struct nlattr *opt) if (!opt) return -EINVAL; - err = nla_parse_nested(tb, TCA_HTB_MAX, opt, htb_policy); + err = nla_parse_nested(tb, TCA_HTB_MAX, opt, htb_policy, NULL); if (err < 0) return err; @@ -1342,7 +1342,7 @@ static int htb_change_class(struct Qdisc *sch, u32 classid, if (!opt) goto failure; - err = nla_parse_nested(tb, TCA_HTB_MAX, opt, htb_policy); + err = nla_parse_nested(tb, TCA_HTB_MAX, opt, htb_policy, NULL); if (err < 0) goto failure; diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index 94b4928ad413..f0ce4780f395 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -843,7 +843,7 @@ static int parse_attr(struct nlattr *tb[], int maxtype, struct nlattr *nla, if (nested_len >= nla_attr_size(0)) return nla_parse(tb, maxtype, nla_data(nla) + NLA_ALIGN(len), - nested_len, policy); + nested_len, policy, NULL); memset(tb, 0, sizeof(struct nlattr *) * (maxtype + 1)); return 0; diff --git a/net/sched/sch_pie.c b/net/sched/sch_pie.c index 5c3a99d6aa82..6c2791d6102d 100644 --- a/net/sched/sch_pie.c +++ b/net/sched/sch_pie.c @@ -190,7 +190,7 @@ static int pie_change(struct Qdisc *sch, struct nlattr *opt) if (!opt) return -EINVAL; - err = nla_parse_nested(tb, TCA_PIE_MAX, opt, pie_policy); + err = nla_parse_nested(tb, TCA_PIE_MAX, opt, pie_policy, NULL); if (err < 0) return err; diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c index 6c85f3e9239b..041eba3006cc 100644 --- a/net/sched/sch_qfq.c +++ b/net/sched/sch_qfq.c @@ -418,7 +418,8 @@ static int qfq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, return -EINVAL; } - err = nla_parse_nested(tb, TCA_QFQ_MAX, tca[TCA_OPTIONS], qfq_policy); + err = nla_parse_nested(tb, TCA_QFQ_MAX, tca[TCA_OPTIONS], qfq_policy, + NULL); if (err < 0) return err; diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c index 799ea6dd69b2..11292adce412 100644 --- a/net/sched/sch_red.c +++ b/net/sched/sch_red.c @@ -173,7 +173,7 @@ static int red_change(struct Qdisc *sch, struct nlattr *opt) if (opt == NULL) return -EINVAL; - err = nla_parse_nested(tb, TCA_RED_MAX, opt, red_policy); + err = nla_parse_nested(tb, TCA_RED_MAX, opt, red_policy, NULL); if (err < 0) return err; diff --git a/net/sched/sch_sfb.c b/net/sched/sch_sfb.c index ae862f172c94..0f777273ba29 100644 --- a/net/sched/sch_sfb.c +++ b/net/sched/sch_sfb.c @@ -495,7 +495,7 @@ static int sfb_change(struct Qdisc *sch, struct nlattr *opt) int err; if (opt) { - err = nla_parse_nested(tb, TCA_SFB_MAX, opt, sfb_policy); + err = nla_parse_nested(tb, TCA_SFB_MAX, opt, sfb_policy, NULL); if (err < 0) return -EINVAL; diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c index 9850126129a3..b2e4b6ad241a 100644 --- a/net/sched/sch_tbf.c +++ b/net/sched/sch_tbf.c @@ -315,7 +315,7 @@ static int tbf_change(struct Qdisc *sch, struct nlattr *opt) s64 buffer, mtu; u64 rate64 = 0, prate64 = 0; - err = nla_parse_nested(tb, TCA_TBF_MAX, opt, tbf_policy); + err = nla_parse_nested(tb, TCA_TBF_MAX, opt, tbf_policy, NULL); if (err < 0) return err; diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 8e56df8d175d..f16c8d97b7f3 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -7174,6 +7174,9 @@ int sctp_inet_listen(struct socket *sock, int backlog) if (sock->state != SS_UNCONNECTED) goto out; + if (!sctp_sstate(sk, LISTENING) && !sctp_sstate(sk, CLOSED)) + goto out; + /* If backlog is zero, disable listening. */ if (!backlog) { if (sctp_sstate(sk, CLOSED)) diff --git a/net/socket.c b/net/socket.c index eea997036ada..c2564eb25c6b 100644 --- a/net/socket.c +++ b/net/socket.c @@ -3360,7 +3360,7 @@ EXPORT_SYMBOL(kernel_sock_shutdown); /* This routine returns the IP overhead imposed by a socket i.e. * the length of the underlying IP header, depending on whether * this is an IPv4 or IPv6 socket and the length from IP options turned - * on at the socket. + * on at the socket. Assumes that the caller has a lock on the socket. */ u32 kernel_sock_ip_overhead(struct sock *sk) { diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c index 017801f9dbaa..8d40a7d31c99 100644 --- a/net/switchdev/switchdev.c +++ b/net/switchdev/switchdev.c @@ -826,7 +826,7 @@ static int switchdev_port_br_setlink_protinfo(struct net_device *dev, int err; err = nla_validate_nested(protinfo, IFLA_BRPORT_MAX, - switchdev_port_bridge_policy); + switchdev_port_bridge_policy, NULL); if (err) return err; diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c index 33a5bdfbef76..d174ee3254ee 100644 --- a/net/tipc/bearer.c +++ b/net/tipc/bearer.c @@ -802,7 +802,7 @@ int tipc_nl_bearer_get(struct sk_buff *skb, struct genl_info *info) err = nla_parse_nested(attrs, TIPC_NLA_BEARER_MAX, info->attrs[TIPC_NLA_BEARER], - tipc_nl_bearer_policy); + tipc_nl_bearer_policy, info->extack); if (err) return err; @@ -851,7 +851,7 @@ int tipc_nl_bearer_disable(struct sk_buff *skb, struct genl_info *info) err = nla_parse_nested(attrs, TIPC_NLA_BEARER_MAX, info->attrs[TIPC_NLA_BEARER], - tipc_nl_bearer_policy); + tipc_nl_bearer_policy, info->extack); if (err) return err; @@ -891,7 +891,7 @@ int tipc_nl_bearer_enable(struct sk_buff *skb, struct genl_info *info) err = nla_parse_nested(attrs, TIPC_NLA_BEARER_MAX, info->attrs[TIPC_NLA_BEARER], - tipc_nl_bearer_policy); + tipc_nl_bearer_policy, info->extack); if (err) return err; @@ -939,7 +939,7 @@ int tipc_nl_bearer_add(struct sk_buff *skb, struct genl_info *info) err = nla_parse_nested(attrs, TIPC_NLA_BEARER_MAX, info->attrs[TIPC_NLA_BEARER], - tipc_nl_bearer_policy); + tipc_nl_bearer_policy, info->extack); if (err) return err; @@ -982,7 +982,7 @@ int tipc_nl_bearer_set(struct sk_buff *skb, struct genl_info *info) err = nla_parse_nested(attrs, TIPC_NLA_BEARER_MAX, info->attrs[TIPC_NLA_BEARER], - tipc_nl_bearer_policy); + tipc_nl_bearer_policy, info->extack); if (err) return err; @@ -1104,7 +1104,7 @@ int tipc_nl_media_get(struct sk_buff *skb, struct genl_info *info) err = nla_parse_nested(attrs, TIPC_NLA_MEDIA_MAX, info->attrs[TIPC_NLA_MEDIA], - tipc_nl_media_policy); + tipc_nl_media_policy, info->extack); if (err) return err; @@ -1152,7 +1152,7 @@ int tipc_nl_media_set(struct sk_buff *skb, struct genl_info *info) err = nla_parse_nested(attrs, TIPC_NLA_MEDIA_MAX, info->attrs[TIPC_NLA_MEDIA], - tipc_nl_media_policy); + tipc_nl_media_policy, info->extack); if (!attrs[TIPC_NLA_MEDIA_NAME]) return -EINVAL; diff --git a/net/tipc/link.c b/net/tipc/link.c index ddd2dd6f77aa..60820dc35a08 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -1827,7 +1827,7 @@ int tipc_nl_parse_link_prop(struct nlattr *prop, struct nlattr *props[]) int err; err = nla_parse_nested(props, TIPC_NLA_PROP_MAX, prop, - tipc_nl_prop_policy); + tipc_nl_prop_policy, NULL); if (err) return err; diff --git a/net/tipc/net.c b/net/tipc/net.c index ab8a2d5d1e32..719c5924b638 100644 --- a/net/tipc/net.c +++ b/net/tipc/net.c @@ -211,8 +211,8 @@ int tipc_nl_net_set(struct sk_buff *skb, struct genl_info *info) return -EINVAL; err = nla_parse_nested(attrs, TIPC_NLA_NET_MAX, - info->attrs[TIPC_NLA_NET], - tipc_nl_net_policy); + info->attrs[TIPC_NLA_NET], tipc_nl_net_policy, + info->extack); if (err) return err; diff --git a/net/tipc/netlink.c b/net/tipc/netlink.c index 26ca8dd64ded..b76f13f6fea1 100644 --- a/net/tipc/netlink.c +++ b/net/tipc/netlink.c @@ -268,7 +268,8 @@ int tipc_nlmsg_parse(const struct nlmsghdr *nlh, struct nlattr ***attr) if (!*attr) return -EOPNOTSUPP; - return nlmsg_parse(nlh, GENL_HDRLEN, *attr, maxattr, tipc_nl_policy); + return nlmsg_parse(nlh, GENL_HDRLEN, *attr, maxattr, tipc_nl_policy, + NULL); } int __init tipc_netlink_start(void) diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c index e1ae8a8a2b8e..9bfe886ab330 100644 --- a/net/tipc/netlink_compat.c +++ b/net/tipc/netlink_compat.c @@ -296,7 +296,7 @@ static int __tipc_nl_compat_doit(struct tipc_nl_compat_cmd_doit *cmd, err = nla_parse(attrbuf, tipc_genl_family.maxattr, (const struct nlattr *)trans_buf->data, - trans_buf->len, NULL); + trans_buf->len, NULL, NULL); if (err) goto parse_out; @@ -352,7 +352,7 @@ static int tipc_nl_compat_bearer_dump(struct tipc_nl_compat_msg *msg, return -EINVAL; err = nla_parse_nested(bearer, TIPC_NLA_BEARER_MAX, - attrs[TIPC_NLA_BEARER], NULL); + attrs[TIPC_NLA_BEARER], NULL, NULL); if (err) return err; @@ -472,7 +472,7 @@ static int tipc_nl_compat_link_stat_dump(struct tipc_nl_compat_msg *msg, return -EINVAL; err = nla_parse_nested(link, TIPC_NLA_LINK_MAX, attrs[TIPC_NLA_LINK], - NULL); + NULL, NULL); if (err) return err; @@ -480,7 +480,7 @@ static int tipc_nl_compat_link_stat_dump(struct tipc_nl_compat_msg *msg, return -EINVAL; err = nla_parse_nested(prop, TIPC_NLA_PROP_MAX, - link[TIPC_NLA_LINK_PROP], NULL); + link[TIPC_NLA_LINK_PROP], NULL, NULL); if (err) return err; @@ -488,7 +488,7 @@ static int tipc_nl_compat_link_stat_dump(struct tipc_nl_compat_msg *msg, return -EINVAL; err = nla_parse_nested(stats, TIPC_NLA_STATS_MAX, - link[TIPC_NLA_LINK_STATS], NULL); + link[TIPC_NLA_LINK_STATS], NULL, NULL); if (err) return err; @@ -598,7 +598,7 @@ static int tipc_nl_compat_link_dump(struct tipc_nl_compat_msg *msg, return -EINVAL; err = nla_parse_nested(link, TIPC_NLA_LINK_MAX, attrs[TIPC_NLA_LINK], - NULL); + NULL, NULL); if (err) return err; @@ -795,7 +795,7 @@ static int tipc_nl_compat_name_table_dump(struct tipc_nl_compat_msg *msg, return -EINVAL; err = nla_parse_nested(nt, TIPC_NLA_NAME_TABLE_MAX, - attrs[TIPC_NLA_NAME_TABLE], NULL); + attrs[TIPC_NLA_NAME_TABLE], NULL, NULL); if (err) return err; @@ -803,7 +803,7 @@ static int tipc_nl_compat_name_table_dump(struct tipc_nl_compat_msg *msg, return -EINVAL; err = nla_parse_nested(publ, TIPC_NLA_PUBL_MAX, - nt[TIPC_NLA_NAME_TABLE_PUBL], NULL); + nt[TIPC_NLA_NAME_TABLE_PUBL], NULL, NULL); if (err) return err; @@ -863,7 +863,7 @@ static int __tipc_nl_compat_publ_dump(struct tipc_nl_compat_msg *msg, return -EINVAL; err = nla_parse_nested(publ, TIPC_NLA_PUBL_MAX, attrs[TIPC_NLA_PUBL], - NULL); + NULL, NULL); if (err) return err; @@ -929,7 +929,7 @@ static int tipc_nl_compat_sk_dump(struct tipc_nl_compat_msg *msg, return -EINVAL; err = nla_parse_nested(sock, TIPC_NLA_SOCK_MAX, attrs[TIPC_NLA_SOCK], - NULL); + NULL, NULL); if (err) return err; @@ -940,8 +940,8 @@ static int tipc_nl_compat_sk_dump(struct tipc_nl_compat_msg *msg, u32 node; struct nlattr *con[TIPC_NLA_CON_MAX + 1]; - nla_parse_nested(con, TIPC_NLA_CON_MAX, sock[TIPC_NLA_SOCK_CON], - NULL); + nla_parse_nested(con, TIPC_NLA_CON_MAX, + sock[TIPC_NLA_SOCK_CON], NULL, NULL); node = nla_get_u32(con[TIPC_NLA_CON_NODE]); tipc_tlv_sprintf(msg->rep, " connected to <%u.%u.%u:%u>", @@ -977,8 +977,8 @@ static int tipc_nl_compat_media_dump(struct tipc_nl_compat_msg *msg, if (!attrs[TIPC_NLA_MEDIA]) return -EINVAL; - err = nla_parse_nested(media, TIPC_NLA_MEDIA_MAX, attrs[TIPC_NLA_MEDIA], - NULL); + err = nla_parse_nested(media, TIPC_NLA_MEDIA_MAX, + attrs[TIPC_NLA_MEDIA], NULL, NULL); if (err) return err; @@ -998,7 +998,7 @@ static int tipc_nl_compat_node_dump(struct tipc_nl_compat_msg *msg, return -EINVAL; err = nla_parse_nested(node, TIPC_NLA_NODE_MAX, attrs[TIPC_NLA_NODE], - NULL); + NULL, NULL); if (err) return err; @@ -1045,7 +1045,7 @@ static int tipc_nl_compat_net_dump(struct tipc_nl_compat_msg *msg, return -EINVAL; err = nla_parse_nested(net, TIPC_NLA_NET_MAX, attrs[TIPC_NLA_NET], - NULL); + NULL, NULL); if (err) return err; diff --git a/net/tipc/node.c b/net/tipc/node.c index 4512e83652b1..01b1f077603e 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -1607,8 +1607,8 @@ int tipc_nl_peer_rm(struct sk_buff *skb, struct genl_info *info) return -EINVAL; err = nla_parse_nested(attrs, TIPC_NLA_NET_MAX, - info->attrs[TIPC_NLA_NET], - tipc_nl_net_policy); + info->attrs[TIPC_NLA_NET], tipc_nl_net_policy, + info->extack); if (err) return err; @@ -1774,7 +1774,7 @@ int tipc_nl_node_set_link(struct sk_buff *skb, struct genl_info *info) err = nla_parse_nested(attrs, TIPC_NLA_LINK_MAX, info->attrs[TIPC_NLA_LINK], - tipc_nl_link_policy); + tipc_nl_link_policy, info->extack); if (err) return err; @@ -1902,7 +1902,7 @@ int tipc_nl_node_reset_link_stats(struct sk_buff *skb, struct genl_info *info) err = nla_parse_nested(attrs, TIPC_NLA_LINK_MAX, info->attrs[TIPC_NLA_LINK], - tipc_nl_link_policy); + tipc_nl_link_policy, info->extack); if (err) return err; @@ -2042,7 +2042,7 @@ int tipc_nl_node_set_monitor(struct sk_buff *skb, struct genl_info *info) err = nla_parse_nested(attrs, TIPC_NLA_MON_MAX, info->attrs[TIPC_NLA_MON], - tipc_nl_monitor_policy); + tipc_nl_monitor_policy, info->extack); if (err) return err; @@ -2163,7 +2163,7 @@ int tipc_nl_node_dump_monitor_peer(struct sk_buff *skb, err = nla_parse_nested(mon, TIPC_NLA_MON_MAX, attrs[TIPC_NLA_MON], - tipc_nl_monitor_policy); + tipc_nl_monitor_policy, NULL); if (err) return err; diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 15f6ce7bf868..740100abeec3 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -2866,7 +2866,7 @@ int tipc_nl_publ_dump(struct sk_buff *skb, struct netlink_callback *cb) err = nla_parse_nested(sock, TIPC_NLA_SOCK_MAX, attrs[TIPC_NLA_SOCK], - tipc_nl_sock_policy); + tipc_nl_sock_policy, NULL); if (err) return err; diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c index 46061cf48cd1..ecca64fc6a6f 100644 --- a/net/tipc/udp_media.c +++ b/net/tipc/udp_media.c @@ -457,7 +457,7 @@ int tipc_udp_nl_dump_remoteip(struct sk_buff *skb, struct netlink_callback *cb) err = nla_parse_nested(battrs, TIPC_NLA_BEARER_MAX, attrs[TIPC_NLA_BEARER], - tipc_nl_bearer_policy); + tipc_nl_bearer_policy, NULL); if (err) return err; @@ -609,7 +609,8 @@ int tipc_udp_nl_bearer_add(struct tipc_bearer *b, struct nlattr *attr) struct nlattr *opts[TIPC_NLA_UDP_MAX + 1]; struct udp_media_addr *dst; - if (nla_parse_nested(opts, TIPC_NLA_UDP_MAX, attr, tipc_nl_udp_policy)) + if (nla_parse_nested(opts, TIPC_NLA_UDP_MAX, attr, + tipc_nl_udp_policy, NULL)) return -EINVAL; if (!opts[TIPC_NLA_UDP_REMOTE]) @@ -662,7 +663,7 @@ static int tipc_udp_enable(struct net *net, struct tipc_bearer *b, if (nla_parse_nested(opts, TIPC_NLA_UDP_MAX, attrs[TIPC_NLA_BEARER_UDP_OPTS], - tipc_nl_udp_policy)) + tipc_nl_udp_policy, NULL)) goto err; if (!opts[TIPC_NLA_UDP_LOCAL] || !opts[TIPC_NLA_UDP_REMOTE]) { diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 2312dc2ffdb9..f280357552b2 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -548,7 +548,7 @@ static int nl80211_prepare_wdev_dump(struct sk_buff *skb, if (!cb->args[0]) { err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, genl_family_attrbuf(&nl80211_fam), - nl80211_fam.maxattr, nl80211_policy); + nl80211_fam.maxattr, nl80211_policy, NULL); if (err) return err; @@ -719,7 +719,7 @@ static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) { struct nlattr *tb[NL80211_KEY_MAX + 1]; int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, - nl80211_key_policy); + nl80211_key_policy, NULL); if (err) return err; @@ -760,7 +760,7 @@ static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, tb[NL80211_KEY_DEFAULT_TYPES], - nl80211_key_default_policy); + nl80211_key_default_policy, NULL); if (err) return err; @@ -807,10 +807,11 @@ static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; - int err = nla_parse_nested( - kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, - info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], - nl80211_key_default_policy); + int err = nla_parse_nested(kdt, + NUM_NL80211_KEY_DEFAULT_TYPES - 1, + info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], + nl80211_key_default_policy, + info->extack); if (err) return err; @@ -1892,8 +1893,8 @@ static int nl80211_dump_wiphy_parse(struct sk_buff *skb, struct nl80211_dump_wiphy_state *state) { struct nlattr **tb = genl_family_attrbuf(&nl80211_fam); - int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, - tb, nl80211_fam.maxattr, nl80211_policy); + int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, tb, + nl80211_fam.maxattr, nl80211_policy, NULL); /* ignore parse errors for backward compatibility */ if (ret) return 0; @@ -2308,7 +2309,8 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) rem_txq_params) { result = nla_parse_nested(tb, NL80211_TXQ_ATTR_MAX, nl_txq_params, - txq_params_policy); + txq_params_policy, + info->extack); if (result) return result; result = parse_txq_params(tb, &txq_params); @@ -2695,8 +2697,8 @@ static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) if (!nla) return -EINVAL; - if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, - nla, mntr_flags_policy)) + if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, nla, + mntr_flags_policy, NULL)) return -EINVAL; for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) @@ -3561,7 +3563,7 @@ static int nl80211_parse_tx_bitrate_mask(struct genl_info *info, if (sband == NULL) return -EINVAL; err = nla_parse_nested(tb, NL80211_TXRATE_MAX, tx_rates, - nl80211_txattr_policy); + nl80211_txattr_policy, info->extack); if (err) return err; if (tb[NL80211_TXRATE_LEGACY]) { @@ -4100,8 +4102,8 @@ static int parse_station_flags(struct genl_info *info, if (!nla) return 0; - if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, - nla, sta_flags_policy)) + if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, nla, + sta_flags_policy, info->extack)) return -EINVAL; /* @@ -4728,7 +4730,7 @@ static int nl80211_parse_sta_wme(struct genl_info *info, nla = info->attrs[NL80211_ATTR_STA_WME]; err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, - nl80211_sta_wme_policy); + nl80211_sta_wme_policy, info->extack); if (err) return err; @@ -5853,7 +5855,7 @@ do { \ return -EINVAL; if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], - nl80211_meshconf_params_policy)) + nl80211_meshconf_params_policy, info->extack)) return -EINVAL; /* This makes sure that there aren't more than 32 mesh config @@ -6002,7 +6004,7 @@ static int nl80211_parse_mesh_setup(struct genl_info *info, return -EINVAL; if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], - nl80211_mesh_setup_params_policy)) + nl80211_mesh_setup_params_policy, info->extack)) return -EINVAL; if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) @@ -6393,7 +6395,8 @@ static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], rem_reg_rules) { r = nla_parse_nested(tb, NL80211_REG_RULE_ATTR_MAX, - nl_reg_rule, reg_rule_policy); + nl_reg_rule, reg_rule_policy, + info->extack); if (r) goto bad_reg; r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); @@ -6461,7 +6464,7 @@ static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy, return -EINVAL; err = nla_parse_nested(attr, NL80211_BSS_SELECT_ATTR_MAX, nest, - nl80211_bss_select_policy); + nl80211_bss_select_policy, NULL); if (err) return err; @@ -6862,7 +6865,7 @@ nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans, return -EINVAL; err = nla_parse_nested(plan, NL80211_SCHED_SCAN_PLAN_MAX, - attr, nl80211_plan_policy); + attr, nl80211_plan_policy, NULL); if (err) return err; @@ -6953,7 +6956,8 @@ nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, err = nla_parse_nested(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, - attr, nl80211_match_policy); + attr, nl80211_match_policy, + NULL); if (err) return ERR_PTR(err); /* add other standalone attributes here */ @@ -7132,7 +7136,8 @@ nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, err = nla_parse_nested(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, - attr, nl80211_match_policy); + attr, nl80211_match_policy, + NULL); if (err) goto out_free; ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; @@ -7433,7 +7438,7 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX, info->attrs[NL80211_ATTR_CSA_IES], - nl80211_policy); + nl80211_policy, info->extack); if (err) return err; @@ -8639,7 +8644,8 @@ static int nl80211_testmode_dump(struct sk_buff *skb, struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, - attrbuf, nl80211_fam.maxattr, nl80211_policy); + attrbuf, nl80211_fam.maxattr, + nl80211_policy, NULL); if (err) goto out_err; @@ -9530,7 +9536,7 @@ static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) return -EINVAL; err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, - nl80211_attr_cqm_policy); + nl80211_attr_cqm_policy, info->extack); if (err) return err; @@ -9940,7 +9946,7 @@ static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, return -EINVAL; err = nla_parse_nested(tb, MAX_NL80211_WOWLAN_TCP, attr, - nl80211_wowlan_tcp_policy); + nl80211_wowlan_tcp_policy, NULL); if (err) return err; @@ -10085,7 +10091,8 @@ static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev, goto out; } - err = nla_parse_nested(tb, NL80211_ATTR_MAX, attr, nl80211_policy); + err = nla_parse_nested(tb, NL80211_ATTR_MAX, attr, nl80211_policy, + NULL); if (err) goto out; @@ -10122,7 +10129,7 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) err = nla_parse_nested(tb, MAX_NL80211_WOWLAN_TRIG, info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS], - nl80211_wowlan_policy); + nl80211_wowlan_policy, info->extack); if (err) return err; @@ -10205,7 +10212,7 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) u8 *mask_pat; nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat, - NULL); + NULL, info->extack); err = -EINVAL; if (!pat_tb[NL80211_PKTPAT_MASK] || !pat_tb[NL80211_PKTPAT_PATTERN]) @@ -10416,7 +10423,7 @@ static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; err = nla_parse_nested(tb, NL80211_ATTR_COALESCE_RULE_MAX, rule, - nl80211_coalesce_policy); + nl80211_coalesce_policy, NULL); if (err) return err; @@ -10454,7 +10461,7 @@ static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, rem) { u8 *mask_pat; - nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat, NULL); + nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat, NULL, NULL); if (!pat_tb[NL80211_PKTPAT_MASK] || !pat_tb[NL80211_PKTPAT_PATTERN]) return -EINVAL; @@ -10575,7 +10582,7 @@ static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) err = nla_parse_nested(tb, MAX_NL80211_REKEY_DATA, info->attrs[NL80211_ATTR_REKEY_DATA], - nl80211_rekey_policy); + nl80211_rekey_policy, info->extack); if (err) return err; @@ -10892,7 +10899,7 @@ static int nl80211_nan_add_func(struct sk_buff *skb, err = nla_parse_nested(tb, NL80211_NAN_FUNC_ATTR_MAX, info->attrs[NL80211_ATTR_NAN_FUNC], - nl80211_nan_func_policy); + nl80211_nan_func_policy, info->extack); if (err) return err; @@ -10989,7 +10996,7 @@ static int nl80211_nan_add_func(struct sk_buff *skb, err = nla_parse_nested(srf_tb, NL80211_NAN_SRF_ATTR_MAX, tb[NL80211_NAN_FUNC_SRF], - nl80211_nan_srf_policy); + nl80211_nan_srf_policy, info->extack); if (err) goto out; @@ -11524,8 +11531,8 @@ static int nl80211_prepare_vendor_dump(struct sk_buff *skb, return 0; } - err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, - attrbuf, nl80211_fam.maxattr, nl80211_policy); + err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, attrbuf, + nl80211_fam.maxattr, nl80211_policy, NULL); if (err) return err; diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 4f7e62ddc17e..5f691fd53a6c 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -932,8 +932,8 @@ static int xfrm_dump_sa(struct sk_buff *skb, struct netlink_callback *cb) u8 proto = 0; int err; - err = nlmsg_parse(cb->nlh, 0, attrs, XFRMA_MAX, - xfrma_policy); + err = nlmsg_parse(cb->nlh, 0, attrs, XFRMA_MAX, xfrma_policy, + NULL); if (err < 0) return err; @@ -2448,7 +2448,8 @@ static const struct xfrm_link { [XFRM_MSG_GETSPDINFO - XFRM_MSG_BASE] = { .doit = xfrm_get_spdinfo }, }; -static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) +static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, + struct netlink_ext_ack *extack) { struct net *net = sock_net(skb->sk); struct nlattr *attrs[XFRMA_MAX+1]; @@ -2488,7 +2489,7 @@ static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) err = nlmsg_parse(nlh, xfrm_msg_min[type], attrs, link->nla_max ? : XFRMA_MAX, - link->nla_pol ? : xfrma_policy); + link->nla_pol ? : xfrma_policy, extack); if (err < 0) return err; diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c index dcdce1270d38..0d449d8032d1 100644 --- a/samples/bpf/bpf_load.c +++ b/samples/bpf/bpf_load.c @@ -21,6 +21,7 @@ #include <sys/mman.h> #include <poll.h> #include <ctype.h> +#include <assert.h> #include "libbpf.h" #include "bpf_load.h" #include "perf-sys.h" @@ -37,15 +38,6 @@ int event_fd[MAX_PROGS]; int prog_cnt; int prog_array_fd = -1; -struct bpf_map_def { - unsigned int type; - unsigned int key_size; - unsigned int value_size; - unsigned int max_entries; - unsigned int map_flags; - unsigned int inner_map_idx; -}; - static int populate_prog_array(const char *event, int prog_fd) { int ind = atoi(event), err; @@ -193,11 +185,14 @@ static int load_and_attach(const char *event, struct bpf_insn *prog, int size) return 0; } -static int load_maps(struct bpf_map_def *maps, int len) +static int load_maps(struct bpf_map_def *maps, int len, + const char **map_names, fixup_map_cb fixup_map) { int i; for (i = 0; i < len / sizeof(struct bpf_map_def); i++) { + if (fixup_map) + fixup_map(&maps[i], map_names[i], i); if (maps[i].type == BPF_MAP_TYPE_ARRAY_OF_MAPS || maps[i].type == BPF_MAP_TYPE_HASH_OF_MAPS) { @@ -280,14 +275,64 @@ static int parse_relo_and_apply(Elf_Data *data, Elf_Data *symbols, return 0; } -int load_bpf_file(char *path) +static int cmp_symbols(const void *l, const void *r) +{ + const GElf_Sym *lsym = (const GElf_Sym *)l; + const GElf_Sym *rsym = (const GElf_Sym *)r; + + if (lsym->st_value < rsym->st_value) + return -1; + else if (lsym->st_value > rsym->st_value) + return 1; + else + return 0; +} + +static int get_sorted_map_names(Elf *elf, Elf_Data *symbols, int maps_shndx, + int strtabidx, char **map_names) +{ + GElf_Sym map_symbols[MAX_MAPS]; + int i, nr_maps = 0; + + for (i = 0; i < symbols->d_size / sizeof(GElf_Sym); i++) { + assert(nr_maps < MAX_MAPS); + if (!gelf_getsym(symbols, i, &map_symbols[nr_maps])) + continue; + if (map_symbols[nr_maps].st_shndx != maps_shndx) + continue; + nr_maps++; + } + + qsort(map_symbols, nr_maps, sizeof(GElf_Sym), cmp_symbols); + + for (i = 0; i < nr_maps; i++) { + char *map_name; + + map_name = elf_strptr(elf, strtabidx, map_symbols[i].st_name); + if (!map_name) { + printf("cannot get map symbol\n"); + return 1; + } + + map_names[i] = strdup(map_name); + if (!map_names[i]) { + printf("strdup(%s): %s(%d)\n", map_name, + strerror(errno), errno); + return 1; + } + } + + return 0; +} + +static int do_load_bpf_file(const char *path, fixup_map_cb fixup_map) { - int fd, i; + int fd, i, ret, maps_shndx = -1, strtabidx = -1; Elf *elf; GElf_Ehdr ehdr; GElf_Shdr shdr, shdr_prog; - Elf_Data *data, *data_prog, *symbols = NULL; - char *shname, *shname_prog; + Elf_Data *data, *data_prog, *data_maps = NULL, *symbols = NULL; + char *shname, *shname_prog, *map_names[MAX_MAPS] = { NULL }; /* reset global variables */ kern_version = 0; @@ -335,14 +380,33 @@ int load_bpf_file(char *path) } memcpy(&kern_version, data->d_buf, sizeof(int)); } else if (strcmp(shname, "maps") == 0) { - processed_sec[i] = true; - if (load_maps(data->d_buf, data->d_size)) - return 1; + maps_shndx = i; + data_maps = data; } else if (shdr.sh_type == SHT_SYMTAB) { + strtabidx = shdr.sh_link; symbols = data; } } + ret = 1; + + if (!symbols) { + printf("missing SHT_SYMTAB section\n"); + goto done; + } + + if (data_maps) { + if (get_sorted_map_names(elf, symbols, maps_shndx, strtabidx, + map_names)) + goto done; + + if (load_maps(data_maps->d_buf, data_maps->d_size, + (const char **)map_names, fixup_map)) + goto done; + + processed_sec[maps_shndx] = true; + } + /* load programs that need map fixup (relocations) */ for (i = 1; i < ehdr.e_shnum; i++) { if (processed_sec[i]) @@ -399,8 +463,22 @@ int load_bpf_file(char *path) load_and_attach(shname, data->d_buf, data->d_size); } + ret = 0; +done: + for (i = 0; i < MAX_MAPS; i++) + free(map_names[i]); close(fd); - return 0; + return ret; +} + +int load_bpf_file(char *path) +{ + return do_load_bpf_file(path, NULL); +} + +int load_bpf_file_fixup_map(const char *path, fixup_map_cb fixup_map) +{ + return do_load_bpf_file(path, fixup_map); } void read_trace_pipe(void) diff --git a/samples/bpf/bpf_load.h b/samples/bpf/bpf_load.h index c827827299b3..68f6b2d22507 100644 --- a/samples/bpf/bpf_load.h +++ b/samples/bpf/bpf_load.h @@ -6,6 +6,18 @@ #define MAX_MAPS 32 #define MAX_PROGS 32 +struct bpf_map_def { + unsigned int type; + unsigned int key_size; + unsigned int value_size; + unsigned int max_entries; + unsigned int map_flags; + unsigned int inner_map_idx; +}; + +typedef void (*fixup_map_cb)(struct bpf_map_def *map, const char *map_name, + int idx); + extern int map_fd[MAX_MAPS]; extern int prog_fd[MAX_PROGS]; extern int event_fd[MAX_PROGS]; @@ -25,6 +37,7 @@ extern int prog_cnt; * returns zero on success */ int load_bpf_file(char *path); +int load_bpf_file_fixup_map(const char *path, fixup_map_cb fixup_map); void read_trace_pipe(void); struct ksym { diff --git a/samples/bpf/map_perf_test_kern.c b/samples/bpf/map_perf_test_kern.c index 9da2a3441b0a..245165817fbe 100644 --- a/samples/bpf/map_perf_test_kern.c +++ b/samples/bpf/map_perf_test_kern.c @@ -11,6 +11,7 @@ #include "bpf_helpers.h" #define MAX_ENTRIES 1000 +#define MAX_NR_CPUS 1024 struct bpf_map_def SEC("maps") hash_map = { .type = BPF_MAP_TYPE_HASH, @@ -26,7 +27,7 @@ struct bpf_map_def SEC("maps") lru_hash_map = { .max_entries = 10000, }; -struct bpf_map_def SEC("maps") percpu_lru_hash_map = { +struct bpf_map_def SEC("maps") nocommon_lru_hash_map = { .type = BPF_MAP_TYPE_LRU_HASH, .key_size = sizeof(u32), .value_size = sizeof(long), @@ -34,6 +35,19 @@ struct bpf_map_def SEC("maps") percpu_lru_hash_map = { .map_flags = BPF_F_NO_COMMON_LRU, }; +struct bpf_map_def SEC("maps") inner_lru_hash_map = { + .type = BPF_MAP_TYPE_LRU_HASH, + .key_size = sizeof(u32), + .value_size = sizeof(long), + .max_entries = MAX_ENTRIES, +}; + +struct bpf_map_def SEC("maps") array_of_lru_hashs = { + .type = BPF_MAP_TYPE_ARRAY_OF_MAPS, + .key_size = sizeof(u32), + .max_entries = MAX_NR_CPUS, +}; + struct bpf_map_def SEC("maps") percpu_hash_map = { .type = BPF_MAP_TYPE_PERCPU_HASH, .key_size = sizeof(u32), @@ -100,6 +114,7 @@ int stress_percpu_hmap(struct pt_regs *ctx) bpf_map_delete_elem(&percpu_hash_map, &key); return 0; } + SEC("kprobe/sys_getgid") int stress_hmap_alloc(struct pt_regs *ctx) { @@ -128,24 +143,56 @@ int stress_percpu_hmap_alloc(struct pt_regs *ctx) return 0; } -SEC("kprobe/sys_getpid") +SEC("kprobe/sys_connect") int stress_lru_hmap_alloc(struct pt_regs *ctx) { - u32 key = bpf_get_prandom_u32(); + struct sockaddr_in6 *in6; + u16 test_case, dst6[8]; + int addrlen, ret; + char fmt[] = "Failed at stress_lru_hmap_alloc. ret:%d\n"; long val = 1; - - bpf_map_update_elem(&lru_hash_map, &key, &val, BPF_ANY); - - return 0; -} - -SEC("kprobe/sys_getppid") -int stress_percpu_lru_hmap_alloc(struct pt_regs *ctx) -{ u32 key = bpf_get_prandom_u32(); - long val = 1; - bpf_map_update_elem(&percpu_lru_hash_map, &key, &val, BPF_ANY); + in6 = (struct sockaddr_in6 *)PT_REGS_PARM2(ctx); + addrlen = (int)PT_REGS_PARM3(ctx); + + if (addrlen != sizeof(*in6)) + return 0; + + ret = bpf_probe_read(dst6, sizeof(dst6), &in6->sin6_addr); + if (ret) + goto done; + + if (dst6[0] != 0xdead || dst6[1] != 0xbeef) + return 0; + + test_case = dst6[7]; + + if (test_case == 0) { + ret = bpf_map_update_elem(&lru_hash_map, &key, &val, BPF_ANY); + } else if (test_case == 1) { + ret = bpf_map_update_elem(&nocommon_lru_hash_map, &key, &val, + BPF_ANY); + } else if (test_case == 2) { + void *nolocal_lru_map; + int cpu = bpf_get_smp_processor_id(); + + nolocal_lru_map = bpf_map_lookup_elem(&array_of_lru_hashs, + &cpu); + if (!nolocal_lru_map) { + ret = -ENOENT; + goto done; + } + + ret = bpf_map_update_elem(nolocal_lru_map, &key, &val, + BPF_ANY); + } else { + ret = -EINVAL; + } + +done: + if (ret) + bpf_trace_printk(fmt, sizeof(fmt), ret); return 0; } diff --git a/samples/bpf/map_perf_test_user.c b/samples/bpf/map_perf_test_user.c index e29ff318a793..6ac778153315 100644 --- a/samples/bpf/map_perf_test_user.c +++ b/samples/bpf/map_perf_test_user.c @@ -18,10 +18,14 @@ #include <string.h> #include <time.h> #include <sys/resource.h> +#include <arpa/inet.h> +#include <errno.h> + #include "libbpf.h" #include "bpf_load.h" -#define MAX_CNT 1000000 +#define TEST_BIT(t) (1U << (t)) +#define MAX_NR_CPUS 1024 static __u64 time_get_ns(void) { @@ -31,17 +35,44 @@ static __u64 time_get_ns(void) return ts.tv_sec * 1000000000ull + ts.tv_nsec; } -#define HASH_PREALLOC (1 << 0) -#define PERCPU_HASH_PREALLOC (1 << 1) -#define HASH_KMALLOC (1 << 2) -#define PERCPU_HASH_KMALLOC (1 << 3) -#define LRU_HASH_PREALLOC (1 << 4) -#define PERCPU_LRU_HASH_PREALLOC (1 << 5) -#define LPM_KMALLOC (1 << 6) -#define HASH_LOOKUP (1 << 7) -#define ARRAY_LOOKUP (1 << 8) +enum test_type { + HASH_PREALLOC, + PERCPU_HASH_PREALLOC, + HASH_KMALLOC, + PERCPU_HASH_KMALLOC, + LRU_HASH_PREALLOC, + NOCOMMON_LRU_HASH_PREALLOC, + LPM_KMALLOC, + HASH_LOOKUP, + ARRAY_LOOKUP, + INNER_LRU_HASH_PREALLOC, + NR_TESTS, +}; + +const char *test_map_names[NR_TESTS] = { + [HASH_PREALLOC] = "hash_map", + [PERCPU_HASH_PREALLOC] = "percpu_hash_map", + [HASH_KMALLOC] = "hash_map_alloc", + [PERCPU_HASH_KMALLOC] = "percpu_hash_map_alloc", + [LRU_HASH_PREALLOC] = "lru_hash_map", + [NOCOMMON_LRU_HASH_PREALLOC] = "nocommon_lru_hash_map", + [LPM_KMALLOC] = "lpm_trie_map_alloc", + [HASH_LOOKUP] = "hash_map", + [ARRAY_LOOKUP] = "array_map", + [INNER_LRU_HASH_PREALLOC] = "inner_lru_hash_map", +}; static int test_flags = ~0; +static uint32_t num_map_entries; +static uint32_t inner_lru_hash_size; +static int inner_lru_hash_idx = -1; +static int array_of_lru_hashs_idx = -1; +static uint32_t max_cnt = 1000000; + +static int check_test_flags(enum test_type t) +{ + return test_flags & TEST_BIT(t); +} static void test_hash_prealloc(int cpu) { @@ -49,34 +80,89 @@ static void test_hash_prealloc(int cpu) int i; start_time = time_get_ns(); - for (i = 0; i < MAX_CNT; i++) + for (i = 0; i < max_cnt; i++) syscall(__NR_getuid); printf("%d:hash_map_perf pre-alloc %lld events per sec\n", - cpu, MAX_CNT * 1000000000ll / (time_get_ns() - start_time)); + cpu, max_cnt * 1000000000ll / (time_get_ns() - start_time)); } -static void test_lru_hash_prealloc(int cpu) +static void do_test_lru(enum test_type test, int cpu) { + static int inner_lru_map_fds[MAX_NR_CPUS]; + + struct sockaddr_in6 in6 = { .sin6_family = AF_INET6 }; + const char *test_name; __u64 start_time; - int i; + int i, ret; + + if (test == INNER_LRU_HASH_PREALLOC) { + int outer_fd = map_fd[array_of_lru_hashs_idx]; + + assert(cpu < MAX_NR_CPUS); + + if (cpu) { + inner_lru_map_fds[cpu] = + bpf_create_map(BPF_MAP_TYPE_LRU_HASH, + sizeof(uint32_t), sizeof(long), + inner_lru_hash_size, 0); + if (inner_lru_map_fds[cpu] == -1) { + printf("cannot create BPF_MAP_TYPE_LRU_HASH %s(%d)\n", + strerror(errno), errno); + exit(1); + } + } else { + inner_lru_map_fds[cpu] = map_fd[inner_lru_hash_idx]; + } + + ret = bpf_map_update_elem(outer_fd, &cpu, + &inner_lru_map_fds[cpu], + BPF_ANY); + if (ret) { + printf("cannot update ARRAY_OF_LRU_HASHS with key:%u. %s(%d)\n", + cpu, strerror(errno), errno); + exit(1); + } + } + + in6.sin6_addr.s6_addr16[0] = 0xdead; + in6.sin6_addr.s6_addr16[1] = 0xbeef; + + if (test == LRU_HASH_PREALLOC) { + test_name = "lru_hash_map_perf"; + in6.sin6_addr.s6_addr16[7] = 0; + } else if (test == NOCOMMON_LRU_HASH_PREALLOC) { + test_name = "nocommon_lru_hash_map_perf"; + in6.sin6_addr.s6_addr16[7] = 1; + } else if (test == INNER_LRU_HASH_PREALLOC) { + test_name = "inner_lru_hash_map_perf"; + in6.sin6_addr.s6_addr16[7] = 2; + } else { + assert(0); + } start_time = time_get_ns(); - for (i = 0; i < MAX_CNT; i++) - syscall(__NR_getpid); - printf("%d:lru_hash_map_perf pre-alloc %lld events per sec\n", - cpu, MAX_CNT * 1000000000ll / (time_get_ns() - start_time)); + for (i = 0; i < max_cnt; i++) { + ret = connect(-1, (const struct sockaddr *)&in6, sizeof(in6)); + assert(ret == -1 && errno == EBADF); + } + printf("%d:%s pre-alloc %lld events per sec\n", + cpu, test_name, + max_cnt * 1000000000ll / (time_get_ns() - start_time)); } -static void test_percpu_lru_hash_prealloc(int cpu) +static void test_lru_hash_prealloc(int cpu) { - __u64 start_time; - int i; + do_test_lru(LRU_HASH_PREALLOC, cpu); +} - start_time = time_get_ns(); - for (i = 0; i < MAX_CNT; i++) - syscall(__NR_getppid); - printf("%d:lru_hash_map_perf pre-alloc %lld events per sec\n", - cpu, MAX_CNT * 1000000000ll / (time_get_ns() - start_time)); +static void test_nocommon_lru_hash_prealloc(int cpu) +{ + do_test_lru(NOCOMMON_LRU_HASH_PREALLOC, cpu); +} + +static void test_inner_lru_hash_prealloc(int cpu) +{ + do_test_lru(INNER_LRU_HASH_PREALLOC, cpu); } static void test_percpu_hash_prealloc(int cpu) @@ -85,10 +171,10 @@ static void test_percpu_hash_prealloc(int cpu) int i; start_time = time_get_ns(); - for (i = 0; i < MAX_CNT; i++) + for (i = 0; i < max_cnt; i++) syscall(__NR_geteuid); printf("%d:percpu_hash_map_perf pre-alloc %lld events per sec\n", - cpu, MAX_CNT * 1000000000ll / (time_get_ns() - start_time)); + cpu, max_cnt * 1000000000ll / (time_get_ns() - start_time)); } static void test_hash_kmalloc(int cpu) @@ -97,10 +183,10 @@ static void test_hash_kmalloc(int cpu) int i; start_time = time_get_ns(); - for (i = 0; i < MAX_CNT; i++) + for (i = 0; i < max_cnt; i++) syscall(__NR_getgid); printf("%d:hash_map_perf kmalloc %lld events per sec\n", - cpu, MAX_CNT * 1000000000ll / (time_get_ns() - start_time)); + cpu, max_cnt * 1000000000ll / (time_get_ns() - start_time)); } static void test_percpu_hash_kmalloc(int cpu) @@ -109,10 +195,10 @@ static void test_percpu_hash_kmalloc(int cpu) int i; start_time = time_get_ns(); - for (i = 0; i < MAX_CNT; i++) + for (i = 0; i < max_cnt; i++) syscall(__NR_getegid); printf("%d:percpu_hash_map_perf kmalloc %lld events per sec\n", - cpu, MAX_CNT * 1000000000ll / (time_get_ns() - start_time)); + cpu, max_cnt * 1000000000ll / (time_get_ns() - start_time)); } static void test_lpm_kmalloc(int cpu) @@ -121,10 +207,10 @@ static void test_lpm_kmalloc(int cpu) int i; start_time = time_get_ns(); - for (i = 0; i < MAX_CNT; i++) + for (i = 0; i < max_cnt; i++) syscall(__NR_gettid); printf("%d:lpm_perf kmalloc %lld events per sec\n", - cpu, MAX_CNT * 1000000000ll / (time_get_ns() - start_time)); + cpu, max_cnt * 1000000000ll / (time_get_ns() - start_time)); } static void test_hash_lookup(int cpu) @@ -133,10 +219,10 @@ static void test_hash_lookup(int cpu) int i; start_time = time_get_ns(); - for (i = 0; i < MAX_CNT; i++) + for (i = 0; i < max_cnt; i++) syscall(__NR_getpgid, 0); printf("%d:hash_lookup %lld lookups per sec\n", - cpu, MAX_CNT * 1000000000ll * 64 / (time_get_ns() - start_time)); + cpu, max_cnt * 1000000000ll * 64 / (time_get_ns() - start_time)); } static void test_array_lookup(int cpu) @@ -145,46 +231,39 @@ static void test_array_lookup(int cpu) int i; start_time = time_get_ns(); - for (i = 0; i < MAX_CNT; i++) + for (i = 0; i < max_cnt; i++) syscall(__NR_getpgrp, 0); printf("%d:array_lookup %lld lookups per sec\n", - cpu, MAX_CNT * 1000000000ll * 64 / (time_get_ns() - start_time)); + cpu, max_cnt * 1000000000ll * 64 / (time_get_ns() - start_time)); } +typedef void (*test_func)(int cpu); +const test_func test_funcs[] = { + [HASH_PREALLOC] = test_hash_prealloc, + [PERCPU_HASH_PREALLOC] = test_percpu_hash_prealloc, + [HASH_KMALLOC] = test_hash_kmalloc, + [PERCPU_HASH_KMALLOC] = test_percpu_hash_kmalloc, + [LRU_HASH_PREALLOC] = test_lru_hash_prealloc, + [NOCOMMON_LRU_HASH_PREALLOC] = test_nocommon_lru_hash_prealloc, + [LPM_KMALLOC] = test_lpm_kmalloc, + [HASH_LOOKUP] = test_hash_lookup, + [ARRAY_LOOKUP] = test_array_lookup, + [INNER_LRU_HASH_PREALLOC] = test_inner_lru_hash_prealloc, +}; + static void loop(int cpu) { cpu_set_t cpuset; + int i; CPU_ZERO(&cpuset); CPU_SET(cpu, &cpuset); sched_setaffinity(0, sizeof(cpuset), &cpuset); - if (test_flags & HASH_PREALLOC) - test_hash_prealloc(cpu); - - if (test_flags & PERCPU_HASH_PREALLOC) - test_percpu_hash_prealloc(cpu); - - if (test_flags & HASH_KMALLOC) - test_hash_kmalloc(cpu); - - if (test_flags & PERCPU_HASH_KMALLOC) - test_percpu_hash_kmalloc(cpu); - - if (test_flags & LRU_HASH_PREALLOC) - test_lru_hash_prealloc(cpu); - - if (test_flags & PERCPU_LRU_HASH_PREALLOC) - test_percpu_lru_hash_prealloc(cpu); - - if (test_flags & LPM_KMALLOC) - test_lpm_kmalloc(cpu); - - if (test_flags & HASH_LOOKUP) - test_hash_lookup(cpu); - - if (test_flags & ARRAY_LOOKUP) - test_array_lookup(cpu); + for (i = 0; i < NR_TESTS; i++) { + if (check_test_flags(i)) + test_funcs[i](cpu); + } } static void run_perf_test(int tasks) @@ -241,6 +320,38 @@ static void fill_lpm_trie(void) assert(!r); } +static void fixup_map(struct bpf_map_def *map, const char *name, int idx) +{ + int i; + + if (!strcmp("inner_lru_hash_map", name)) { + inner_lru_hash_idx = idx; + inner_lru_hash_size = map->max_entries; + } + + if (!strcmp("array_of_lru_hashs", name)) { + if (inner_lru_hash_idx == -1) { + printf("inner_lru_hash_map must be defined before array_of_lru_hashs\n"); + exit(1); + } + map->inner_map_idx = inner_lru_hash_idx; + array_of_lru_hashs_idx = idx; + } + + if (num_map_entries <= 0) + return; + + inner_lru_hash_size = num_map_entries; + + /* Only change the max_entries for the enabled test(s) */ + for (i = 0; i < NR_TESTS; i++) { + if (!strcmp(test_map_names[i], name) && + (check_test_flags(i))) { + map->max_entries = num_map_entries; + } + } +} + int main(int argc, char **argv) { struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; @@ -256,7 +367,13 @@ int main(int argc, char **argv) if (argc > 2) num_cpu = atoi(argv[2]) ? : num_cpu; - if (load_bpf_file(filename)) { + if (argc > 3) + num_map_entries = atoi(argv[3]); + + if (argc > 4) + max_cnt = atoi(argv[4]); + + if (load_bpf_file_fixup_map(filename, fixup_map)) { printf("%s", bpf_log_buf); return 1; } diff --git a/samples/statx/test-statx.c b/samples/statx/test-statx.c index 8571d766331d..d4d77b09412c 100644 --- a/samples/statx/test-statx.c +++ b/samples/statx/test-statx.c @@ -141,8 +141,8 @@ static void dump_statx(struct statx *stx) if (stx->stx_mask & STATX_BTIME) print_time(" Birth: ", &stx->stx_btime); - if (stx->stx_attributes) { - unsigned char bits; + if (stx->stx_attributes_mask) { + unsigned char bits, mbits; int loop, byte; static char attr_representation[64 + 1] = @@ -160,14 +160,18 @@ static void dump_statx(struct statx *stx) printf("Attributes: %016llx (", stx->stx_attributes); for (byte = 64 - 8; byte >= 0; byte -= 8) { bits = stx->stx_attributes >> byte; + mbits = stx->stx_attributes_mask >> byte; for (loop = 7; loop >= 0; loop--) { int bit = byte + loop; - if (bits & 0x80) + if (!(mbits & 0x80)) + putchar('.'); /* Not supported */ + else if (bits & 0x80) putchar(attr_representation[63 - bit]); else - putchar('-'); + putchar('-'); /* Not set */ bits <<= 1; + mbits <<= 1; } if (byte) putchar(' '); diff --git a/tools/net/bpf_jit_disasm.c b/tools/net/bpf_jit_disasm.c index 544b05a53b70..ad572e6cdbd0 100644 --- a/tools/net/bpf_jit_disasm.c +++ b/tools/net/bpf_jit_disasm.c @@ -229,6 +229,7 @@ static void usage(void) { printf("Usage: bpf_jit_disasm [...]\n"); printf(" -o Also display related opcodes (default: off).\n"); + printf(" -O <file> Write binary image of code to file, don't disassemble to stdout.\n"); printf(" -f <file> Read last image dump from file or stdin (default: klog).\n"); printf(" -h Display this help.\n"); } @@ -238,12 +239,19 @@ int main(int argc, char **argv) unsigned int len, klen, opt, opcodes = 0; static uint8_t image[32768]; char *kbuff, *file = NULL; + char *ofile = NULL; + int ofd; + ssize_t nr; + uint8_t *pos; - while ((opt = getopt(argc, argv, "of:")) != -1) { + while ((opt = getopt(argc, argv, "of:O:")) != -1) { switch (opt) { case 'o': opcodes = 1; break; + case 'O': + ofile = optarg; + break; case 'f': file = optarg; break; @@ -263,11 +271,35 @@ int main(int argc, char **argv) } len = get_last_jit_image(kbuff, klen, image, sizeof(image)); - if (len > 0) - get_asm_insns(image, len, opcodes); - else + if (len <= 0) { fprintf(stderr, "No JIT image found!\n"); + goto done; + } + if (!ofile) { + get_asm_insns(image, len, opcodes); + goto done; + } + + ofd = open(ofile, O_WRONLY | O_CREAT | O_TRUNC, DEFFILEMODE); + if (ofd < 0) { + fprintf(stderr, "Could not open file %s for writing: ", ofile); + perror(NULL); + goto done; + } + pos = image; + do { + nr = write(ofd, pos, len); + if (nr < 0) { + fprintf(stderr, "Could not write data to %s: ", ofile); + perror(NULL); + goto done; + } + len -= nr; + pos += nr; + } while (len); + close(ofd); +done: put_log_buff(kbuff); return 0; } diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 273f21fa32b5..7aa57225cbf7 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -130,6 +130,12 @@ static struct arch architectures[] = { .name = "powerpc", .init = powerpc__annotate_init, }, + { + .name = "s390", + .objdump = { + .comment_char = '#', + }, + }, }; static void ins__delete(struct ins_operands *ops) diff --git a/tools/power/cpupower/utils/helpers/cpuid.c b/tools/power/cpupower/utils/helpers/cpuid.c index 93b0aa74ca03..39c2c7d067bb 100644 --- a/tools/power/cpupower/utils/helpers/cpuid.c +++ b/tools/power/cpupower/utils/helpers/cpuid.c @@ -156,6 +156,7 @@ out: */ case 0x2C: /* Westmere EP - Gulftown */ cpu_info->caps |= CPUPOWER_CAP_HAS_TURBO_RATIO; + break; case 0x2A: /* SNB */ case 0x2D: /* SNB Xeon */ case 0x3A: /* IVB */ diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8 index fedca3285326..ccf2a69365cc 100644 --- a/tools/power/x86/turbostat/turbostat.8 +++ b/tools/power/x86/turbostat/turbostat.8 @@ -100,6 +100,8 @@ The system configuration dump (if --quiet is not used) is followed by statistics \fBCPU%c1, CPU%c3, CPU%c6, CPU%c7\fP show the percentage residency in hardware core idle states. These numbers are from hardware residency counters. \fBCoreTmp\fP Degrees Celsius reported by the per-core Digital Thermal Sensor. \fBPkgTtmp\fP Degrees Celsius reported by the per-package Package Thermal Monitor. +\fBGFX%rc6\fP The percentage of time the GPU is in the "render C6" state, rc6, during the measurement interval. From /sys/class/drm/card0/power/rc6_residency_ms. +\fBGFXMHz\fP Instantaneous snapshot of what sysfs presents at the end of the measurement interval. From /sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz. \fBPkg%pc2, Pkg%pc3, Pkg%pc6, Pkg%pc7\fP percentage residency in hardware package idle states. These numbers are from hardware residency counters. \fBPkgWatt\fP Watts consumed by the whole package. \fBCorWatt\fP Watts consumed by the core part of the package. diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 828dccd3f01e..b11294730771 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -1142,7 +1142,7 @@ delta_thread(struct thread_data *new, struct thread_data *old, * it is possible for mperf's non-halted cycles + idle states * to exceed TSC's all cycles: show c1 = 0% in that case. */ - if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc) + if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > (old->tsc * tsc_tweak)) old->c1 = 0; else { /* normal case, derive c1 */ @@ -2485,8 +2485,10 @@ int snapshot_gfx_mhz(void) if (fp == NULL) fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", "r"); - else + else { rewind(fp); + fflush(fp); + } retval = fscanf(fp, "%d", &gfx_cur_mhz); if (retval != 1) @@ -3111,7 +3113,7 @@ int print_hwp(struct thread_data *t, struct core_data *c, struct pkg_data *p) return 0; fprintf(outf, "cpu%d: MSR_HWP_CAPABILITIES: 0x%08llx " - "(high 0x%x guar 0x%x eff 0x%x low 0x%x)\n", + "(high %d guar %d eff %d low %d)\n", cpu, msr, (unsigned int)HWP_HIGHEST_PERF(msr), (unsigned int)HWP_GUARANTEED_PERF(msr), @@ -3122,7 +3124,7 @@ int print_hwp(struct thread_data *t, struct core_data *c, struct pkg_data *p) return 0; fprintf(outf, "cpu%d: MSR_HWP_REQUEST: 0x%08llx " - "(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x pkg 0x%x)\n", + "(min %d max %d des %d epp 0x%x window 0x%x pkg 0x%x)\n", cpu, msr, (unsigned int)(((msr) >> 0) & 0xff), (unsigned int)(((msr) >> 8) & 0xff), @@ -3136,7 +3138,7 @@ int print_hwp(struct thread_data *t, struct core_data *c, struct pkg_data *p) return 0; fprintf(outf, "cpu%d: MSR_HWP_REQUEST_PKG: 0x%08llx " - "(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x)\n", + "(min %d max %d des %d epp 0x%x window 0x%x)\n", cpu, msr, (unsigned int)(((msr) >> 0) & 0xff), (unsigned int)(((msr) >> 8) & 0xff), @@ -3353,17 +3355,19 @@ void rapl_probe(unsigned int family, unsigned int model) case INTEL_FAM6_SKYLAKE_DESKTOP: /* SKL */ case INTEL_FAM6_KABYLAKE_MOBILE: /* KBL */ case INTEL_FAM6_KABYLAKE_DESKTOP: /* KBL */ - do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; + do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_GFX | RAPL_PKG_POWER_INFO; BIC_PRESENT(BIC_PKG__); BIC_PRESENT(BIC_RAM__); if (rapl_joules) { BIC_PRESENT(BIC_Pkg_J); BIC_PRESENT(BIC_Cor_J); BIC_PRESENT(BIC_RAM_J); + BIC_PRESENT(BIC_GFX_J); } else { BIC_PRESENT(BIC_PkgWatt); BIC_PRESENT(BIC_CorWatt); BIC_PRESENT(BIC_RAMWatt); + BIC_PRESENT(BIC_GFXWatt); } break; case INTEL_FAM6_HASWELL_X: /* HSX */ @@ -3478,7 +3482,7 @@ void perf_limit_reasons_probe(unsigned int family, unsigned int model) int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p) { unsigned long long msr; - unsigned int dts; + unsigned int dts, dts2; int cpu; if (!(do_dts || do_ptm)) @@ -3503,7 +3507,6 @@ int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n", cpu, msr, tcc_activation_temp - dts); -#ifdef THERM_DEBUG if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr)) return 0; @@ -3511,11 +3514,10 @@ int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p dts2 = (msr >> 8) & 0x7F; fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); -#endif } - if (do_dts) { + if (do_dts && debug) { unsigned int resolution; if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) @@ -3526,7 +3528,6 @@ int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p fprintf(outf, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n", cpu, msr, tcc_activation_temp - dts, resolution); -#ifdef THERM_DEBUG if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr)) return 0; @@ -3534,7 +3535,6 @@ int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p dts2 = (msr >> 8) & 0x7F; fprintf(outf, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); -#endif } return 0; @@ -4578,7 +4578,7 @@ int get_and_dump_counters(void) } void print_version() { - fprintf(outf, "turbostat version 17.02.24" + fprintf(outf, "turbostat version 17.04.12" " - Len Brown <lenb@kernel.org>\n"); } diff --git a/tools/testing/selftests/bpf/test_lru_map.c b/tools/testing/selftests/bpf/test_lru_map.c index 00b0aff56e2e..8c10c9180c1a 100644 --- a/tools/testing/selftests/bpf/test_lru_map.c +++ b/tools/testing/selftests/bpf/test_lru_map.c @@ -22,7 +22,7 @@ #include "bpf_util.h" #define LOCAL_FREE_TARGET (128) -#define PERCPU_FREE_TARGET (16) +#define PERCPU_FREE_TARGET (4) static int nr_cpus; @@ -191,12 +191,7 @@ static void test_lru_sanity1(int map_type, int map_flags, unsigned int tgt_free) int next_cpu = 0; if (map_flags & BPF_F_NO_COMMON_LRU) - /* Ther percpu lru list (i.e each cpu has its own LRU - * list) does not have a local free list. Hence, - * it will only free old nodes till there is no free - * from the LRU list. Hence, this test does not apply - * to BPF_F_NO_COMMON_LRU - */ + /* This test is only applicable to common LRU list */ return; printf("%s (map_type:%d map_flags:0x%X): ", __func__, map_type, @@ -227,7 +222,7 @@ static void test_lru_sanity1(int map_type, int map_flags, unsigned int tgt_free) for (key = 1; key < end_key; key++) { assert(!bpf_map_lookup_elem(lru_map_fd, &key, value)); assert(!bpf_map_update_elem(expected_map_fd, &key, value, - BPF_NOEXIST)); + BPF_NOEXIST)); } /* Insert 1+tgt_free to 2*tgt_free @@ -273,12 +268,7 @@ static void test_lru_sanity2(int map_type, int map_flags, unsigned int tgt_free) int next_cpu = 0; if (map_flags & BPF_F_NO_COMMON_LRU) - /* Ther percpu lru list (i.e each cpu has its own LRU - * list) does not have a local free list. Hence, - * it will only free old nodes till there is no free - * from the LRU list. Hence, this test does not apply - * to BPF_F_NO_COMMON_LRU - */ + /* This test is only applicable to common LRU list */ return; printf("%s (map_type:%d map_flags:0x%X): ", __func__, map_type, @@ -290,11 +280,7 @@ static void test_lru_sanity2(int map_type, int map_flags, unsigned int tgt_free) assert(batch_size * 2 == tgt_free); map_size = tgt_free + batch_size; - if (map_flags & BPF_F_NO_COMMON_LRU) - lru_map_fd = create_map(map_type, map_flags, - map_size * nr_cpus); - else - lru_map_fd = create_map(map_type, map_flags, map_size); + lru_map_fd = create_map(map_type, map_flags, map_size); assert(lru_map_fd != -1); expected_map_fd = create_map(BPF_MAP_TYPE_HASH, 0, map_size); @@ -341,7 +327,7 @@ static void test_lru_sanity2(int map_type, int map_flags, unsigned int tgt_free) assert(!bpf_map_lookup_elem(lru_map_fd, &key, value)); assert(value[0] == 4321); assert(!bpf_map_update_elem(expected_map_fd, &key, value, - BPF_NOEXIST)); + BPF_NOEXIST)); } value[0] = 1234; @@ -361,7 +347,7 @@ static void test_lru_sanity2(int map_type, int map_flags, unsigned int tgt_free) assert(!bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST)); assert(!bpf_map_update_elem(expected_map_fd, &key, value, - BPF_NOEXIST)); + BPF_NOEXIST)); } assert(map_equal(lru_map_fd, expected_map_fd)); @@ -387,6 +373,10 @@ static void test_lru_sanity3(int map_type, int map_flags, unsigned int tgt_free) unsigned int map_size; int next_cpu = 0; + if (map_flags & BPF_F_NO_COMMON_LRU) + /* This test is only applicable to common LRU list */ + return; + printf("%s (map_type:%d map_flags:0x%X): ", __func__, map_type, map_flags); @@ -396,11 +386,7 @@ static void test_lru_sanity3(int map_type, int map_flags, unsigned int tgt_free) assert(batch_size * 2 == tgt_free); map_size = tgt_free * 2; - if (map_flags & BPF_F_NO_COMMON_LRU) - lru_map_fd = create_map(map_type, map_flags, - map_size * nr_cpus); - else - lru_map_fd = create_map(map_type, map_flags, map_size); + lru_map_fd = create_map(map_type, map_flags, map_size); assert(lru_map_fd != -1); expected_map_fd = create_map(BPF_MAP_TYPE_HASH, 0, map_size); @@ -419,7 +405,7 @@ static void test_lru_sanity3(int map_type, int map_flags, unsigned int tgt_free) for (key = 1; key < end_key; key++) { assert(!bpf_map_lookup_elem(lru_map_fd, &key, value)); assert(!bpf_map_update_elem(expected_map_fd, &key, value, - BPF_NOEXIST)); + BPF_NOEXIST)); } /* Add 1+2*tgt_free to tgt_free*5/2 @@ -431,7 +417,7 @@ static void test_lru_sanity3(int map_type, int map_flags, unsigned int tgt_free) assert(!bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST)); assert(!bpf_map_update_elem(expected_map_fd, &key, value, - BPF_NOEXIST)); + BPF_NOEXIST)); } assert(map_equal(lru_map_fd, expected_map_fd)); @@ -491,7 +477,7 @@ static void test_lru_sanity4(int map_type, int map_flags, unsigned int tgt_free) assert(!bpf_map_update_elem(lru_map_fd, &key, value, BPF_NOEXIST)); assert(!bpf_map_update_elem(expected_map_fd, &key, value, - BPF_NOEXIST)); + BPF_NOEXIST)); } assert(map_equal(lru_map_fd, expected_map_fd)); @@ -566,6 +552,65 @@ static void test_lru_sanity5(int map_type, int map_flags) printf("Pass\n"); } +/* Test list rotation for BPF_F_NO_COMMON_LRU map */ +static void test_lru_sanity6(int map_type, int map_flags, int tgt_free) +{ + int lru_map_fd, expected_map_fd; + unsigned long long key, value[nr_cpus]; + unsigned int map_size = tgt_free * 2; + int next_cpu = 0; + + if (!(map_flags & BPF_F_NO_COMMON_LRU)) + return; + + printf("%s (map_type:%d map_flags:0x%X): ", __func__, map_type, + map_flags); + + assert(sched_next_online(0, &next_cpu) != -1); + + expected_map_fd = create_map(BPF_MAP_TYPE_HASH, 0, map_size); + assert(expected_map_fd != -1); + + lru_map_fd = create_map(map_type, map_flags, map_size * nr_cpus); + assert(lru_map_fd != -1); + + value[0] = 1234; + + for (key = 1; key <= tgt_free; key++) { + assert(!bpf_map_update_elem(lru_map_fd, &key, value, + BPF_NOEXIST)); + assert(!bpf_map_update_elem(expected_map_fd, &key, value, + BPF_NOEXIST)); + } + + for (; key <= tgt_free * 2; key++) { + unsigned long long stable_key; + + /* Make ref bit sticky for key: [1, tgt_free] */ + for (stable_key = 1; stable_key <= tgt_free; stable_key++) { + /* Mark the ref bit */ + assert(!bpf_map_lookup_elem(lru_map_fd, &stable_key, + value)); + } + assert(!bpf_map_update_elem(lru_map_fd, &key, value, + BPF_NOEXIST)); + } + + for (; key <= tgt_free * 3; key++) { + assert(!bpf_map_update_elem(lru_map_fd, &key, value, + BPF_NOEXIST)); + assert(!bpf_map_update_elem(expected_map_fd, &key, value, + BPF_NOEXIST)); + } + + assert(map_equal(lru_map_fd, expected_map_fd)); + + close(expected_map_fd); + close(lru_map_fd); + + printf("Pass\n"); +} + int main(int argc, char **argv) { struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; @@ -593,6 +638,7 @@ int main(int argc, char **argv) test_lru_sanity3(map_types[t], map_flags[f], tgt_free); test_lru_sanity4(map_types[t], map_flags[f], tgt_free); test_lru_sanity5(map_types[t], map_flags[f]); + test_lru_sanity6(map_types[t], map_flags[f], tgt_free); printf("\n"); } diff --git a/tools/testing/selftests/powerpc/Makefile b/tools/testing/selftests/powerpc/Makefile index 1c5d0575802e..bf13fc2297aa 100644 --- a/tools/testing/selftests/powerpc/Makefile +++ b/tools/testing/selftests/powerpc/Makefile @@ -34,34 +34,34 @@ endif all: $(SUB_DIRS) $(SUB_DIRS): - BUILD_TARGET=$$OUTPUT/$@; mkdir -p $$BUILD_TARGET; $(MAKE) OUTPUT=$$BUILD_TARGET -k -C $@ all + BUILD_TARGET=$(OUTPUT)/$@; mkdir -p $$BUILD_TARGET; $(MAKE) OUTPUT=$$BUILD_TARGET -k -C $@ all include ../lib.mk override define RUN_TESTS @for TARGET in $(SUB_DIRS); do \ - BUILD_TARGET=$$OUTPUT/$$TARGET; \ + BUILD_TARGET=$(OUTPUT)/$$TARGET; \ $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\ done; endef override define INSTALL_RULE @for TARGET in $(SUB_DIRS); do \ - BUILD_TARGET=$$OUTPUT/$$TARGET; \ + BUILD_TARGET=$(OUTPUT)/$$TARGET; \ $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET install;\ done; endef override define EMIT_TESTS @for TARGET in $(SUB_DIRS); do \ - BUILD_TARGET=$$OUTPUT/$$TARGET; \ + BUILD_TARGET=$(OUTPUT)/$$TARGET; \ $(MAKE) OUTPUT=$$BUILD_TARGET -s -C $$TARGET emit_tests;\ done; endef clean: @for TARGET in $(SUB_DIRS); do \ - BUILD_TARGET=$$OUTPUT/$$TARGET; \ + BUILD_TARGET=$(OUTPUT)/$$TARGET; \ $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean; \ done; rm -f tags diff --git a/virt/kvm/arm/vgic/vgic-init.c b/virt/kvm/arm/vgic/vgic-init.c index 276139a24e6f..702f8108608d 100644 --- a/virt/kvm/arm/vgic/vgic-init.c +++ b/virt/kvm/arm/vgic/vgic-init.c @@ -392,6 +392,25 @@ static irqreturn_t vgic_maintenance_handler(int irq, void *data) } /** + * kvm_vgic_init_cpu_hardware - initialize the GIC VE hardware + * + * For a specific CPU, initialize the GIC VE hardware. + */ +void kvm_vgic_init_cpu_hardware(void) +{ + BUG_ON(preemptible()); + + /* + * We want to make sure the list registers start out clear so that we + * only have the program the used registers. + */ + if (kvm_vgic_global_state.type == VGIC_V2) + vgic_v2_init_lrs(); + else + kvm_call_hyp(__vgic_v3_init_lrs); +} + +/** * kvm_vgic_hyp_init: populates the kvm_vgic_global_state variable * according to the host GIC model. Accordingly calls either * vgic_v2/v3_probe which registers the KVM_DEVICE that can be diff --git a/virt/kvm/arm/vgic/vgic-mmio-v2.c b/virt/kvm/arm/vgic/vgic-mmio-v2.c index a3ad7ff95c9b..0a4283ed9aa7 100644 --- a/virt/kvm/arm/vgic/vgic-mmio-v2.c +++ b/virt/kvm/arm/vgic/vgic-mmio-v2.c @@ -229,7 +229,15 @@ static unsigned long vgic_mmio_read_vcpuif(struct kvm_vcpu *vcpu, val = vmcr.ctlr; break; case GIC_CPU_PRIMASK: - val = vmcr.pmr; + /* + * Our KVM_DEV_TYPE_ARM_VGIC_V2 device ABI exports the + * the PMR field as GICH_VMCR.VMPriMask rather than + * GICC_PMR.Priority, so we expose the upper five bits of + * priority mask to userspace using the lower bits in the + * unsigned long. + */ + val = (vmcr.pmr & GICV_PMR_PRIORITY_MASK) >> + GICV_PMR_PRIORITY_SHIFT; break; case GIC_CPU_BINPOINT: val = vmcr.bpr; @@ -262,7 +270,15 @@ static void vgic_mmio_write_vcpuif(struct kvm_vcpu *vcpu, vmcr.ctlr = val; break; case GIC_CPU_PRIMASK: - vmcr.pmr = val; + /* + * Our KVM_DEV_TYPE_ARM_VGIC_V2 device ABI exports the + * the PMR field as GICH_VMCR.VMPriMask rather than + * GICC_PMR.Priority, so we expose the upper five bits of + * priority mask to userspace using the lower bits in the + * unsigned long. + */ + vmcr.pmr = (val << GICV_PMR_PRIORITY_SHIFT) & + GICV_PMR_PRIORITY_MASK; break; case GIC_CPU_BINPOINT: vmcr.bpr = val; diff --git a/virt/kvm/arm/vgic/vgic-v2.c b/virt/kvm/arm/vgic/vgic-v2.c index b834ecdf3225..b637d9c7afe3 100644 --- a/virt/kvm/arm/vgic/vgic-v2.c +++ b/virt/kvm/arm/vgic/vgic-v2.c @@ -36,6 +36,21 @@ static unsigned long *u64_to_bitmask(u64 *val) return (unsigned long *)val; } +static inline void vgic_v2_write_lr(int lr, u32 val) +{ + void __iomem *base = kvm_vgic_global_state.vctrl_base; + + writel_relaxed(val, base + GICH_LR0 + (lr * 4)); +} + +void vgic_v2_init_lrs(void) +{ + int i; + + for (i = 0; i < kvm_vgic_global_state.nr_lr; i++) + vgic_v2_write_lr(i, 0); +} + void vgic_v2_process_maintenance(struct kvm_vcpu *vcpu) { struct vgic_v2_cpu_if *cpuif = &vcpu->arch.vgic_cpu.vgic_v2; @@ -191,8 +206,8 @@ void vgic_v2_set_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcrp) GICH_VMCR_ALIAS_BINPOINT_MASK; vmcr |= (vmcrp->bpr << GICH_VMCR_BINPOINT_SHIFT) & GICH_VMCR_BINPOINT_MASK; - vmcr |= (vmcrp->pmr << GICH_VMCR_PRIMASK_SHIFT) & - GICH_VMCR_PRIMASK_MASK; + vmcr |= ((vmcrp->pmr >> GICV_PMR_PRIORITY_SHIFT) << + GICH_VMCR_PRIMASK_SHIFT) & GICH_VMCR_PRIMASK_MASK; vcpu->arch.vgic_cpu.vgic_v2.vgic_vmcr = vmcr; } @@ -207,8 +222,8 @@ void vgic_v2_get_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcrp) GICH_VMCR_ALIAS_BINPOINT_SHIFT; vmcrp->bpr = (vmcr & GICH_VMCR_BINPOINT_MASK) >> GICH_VMCR_BINPOINT_SHIFT; - vmcrp->pmr = (vmcr & GICH_VMCR_PRIMASK_MASK) >> - GICH_VMCR_PRIMASK_SHIFT; + vmcrp->pmr = ((vmcr & GICH_VMCR_PRIMASK_MASK) >> + GICH_VMCR_PRIMASK_SHIFT) << GICV_PMR_PRIORITY_SHIFT; } void vgic_v2_enable(struct kvm_vcpu *vcpu) diff --git a/virt/kvm/arm/vgic/vgic.h b/virt/kvm/arm/vgic/vgic.h index db28f7cadab2..6cf557e9f718 100644 --- a/virt/kvm/arm/vgic/vgic.h +++ b/virt/kvm/arm/vgic/vgic.h @@ -81,11 +81,18 @@ static inline bool irq_is_pending(struct vgic_irq *irq) return irq->pending_latch || irq->line_level; } +/* + * This struct provides an intermediate representation of the fields contained + * in the GICH_VMCR and ICH_VMCR registers, such that code exporting the GIC + * state to userspace can generate either GICv2 or GICv3 CPU interface + * registers regardless of the hardware backed GIC used. + */ struct vgic_vmcr { u32 ctlr; u32 abpr; u32 bpr; - u32 pmr; + u32 pmr; /* Priority mask field in the GICC_PMR and + * ICC_PMR_EL1 priority field format */ /* Below member variable are valid only for GICv3 */ u32 grpen0; u32 grpen1; @@ -130,6 +137,8 @@ int vgic_v2_map_resources(struct kvm *kvm); int vgic_register_dist_iodev(struct kvm *kvm, gpa_t dist_base_address, enum vgic_type); +void vgic_v2_init_lrs(void); + static inline void vgic_get_irq_kref(struct vgic_irq *irq) { if (irq->intid < VGIC_MIN_LPI) |