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2022-08-01net: txgbe: Fix an error handling path in txgbe_probe()Christophe JAILLET1-0/+1
A pci_enable_pcie_error_reporting() should be balanced by a corresponding pci_disable_pcie_error_reporting() call in the error handling path, as already done in the remove function. Fixes: 3ce7547e5b71 ("net: txgbe: Add build support for txgbe") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Jiawen Wu <jiawenwu@trustnetic.com> Link: https://lore.kernel.org/r/082003d00be1f05578c9c6434272ceb314609b8e.1659285240.git.christophe.jaillet@wanadoo.fr Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-01net: dsa: Fix spelling mistakes and cleanup codeXie Shaowen1-2/+2
fix follow spelling misktakes: desconstructed ==> deconstructed enforcment ==> enforcement Reported-by: Hacash Robot <hacashRobot@santino.com> Signed-off-by: Xie Shaowen <studentxswpy@163.com> Link: https://lore.kernel.org/r/20220730092254.3102875-1-studentxswpy@163.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-01Documentation: devlink: add add devlink-selftests to the table of contentsBagas Sanjaya1-0/+1
Commit 08f588fa301bef ("devlink: introduce framework for selftests") adds documentation for devlink selftests framework, but it is missing from table of contents. Add it. Link: https://lore.kernel.org/linux-doc/202207300406.CUBuyN5i-lkp@intel.com/ Fixes: 08f588fa301bef ("devlink: introduce framework for selftests") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com> Link: https://lore.kernel.org/r/20220730022058.16813-1-bagasdotme@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-01nfp: flower: add support for tunnel offload without key IDBaowen Zheng1-7/+8
Currently nfp driver will reject to offload tunnel key action without tunnel key ID which means tunnel ID is 0. But it is a normal case for tc flower since user can setup a tunnel with tunnel ID is 0. So we need to support this case to accept tunnel key action without tunnel key ID. Signed-off-by: Baowen Zheng <baowen.zheng@corigine.com> Reviewed-by: Louis Peens <louis.peens@corigine.com> Signed-off-by: Simon Horman <simon.horman@corigine.com> Link: https://lore.kernel.org/r/20220729091641.354748-1-simon.horman@corigine.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-01net: rose: add netdev ref tracker to 'struct rose_sock'Eric Dumazet2-4/+11
This will help debugging netdevice refcount problems with CONFIG_NET_DEV_REFCNT_TRACKER=y Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Tested-by: Bernard Pidoux <f6bvp@free.fr> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-01net: rose: fix netdev reference changesEric Dumazet2-2/+11
Bernard reported that trying to unload rose module would lead to infamous messages: unregistered_netdevice: waiting for rose0 to become free. Usage count = xx This patch solves the issue, by making sure each socket referring to a netdevice holds a reference count on it, and properly releases it in rose_release(). rose_dev_first() is also fixed to take a device reference before leaving the rcu_read_locked section. Following patch will add ref_tracker annotations to ease future bug hunting. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Reported-by: Bernard Pidoux <f6bvp@free.fr> Signed-off-by: Eric Dumazet <edumazet@google.com> Tested-by: Bernard Pidoux <f6bvp@free.fr> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-01dt-bindings: net: fsl,fec: Add i.MX8ULP FEC itemsWei Fang1-0/+5
Add fsl,imx8ulp-fec for i.MX8ULP platform. Signed-off-by: Wei Fang <wei.fang@nxp.com> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/all/20220726143853.23709-2-wei.fang@nxp.com/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-01net/funeth: Tx handling of XDP with fragments.Dimitris Michailidis1-10/+20
By now all the functions fun_xdp_tx() calls are shared with the skb path and thus are fragment-capable. Update fun_xdp_tx(), that up to now has been passing just one buffer, to check for fragments and call accordingly. This makes XDP_TX and ndo_xdp_xmit fragment-capable. Signed-off-by: Dimitris Michailidis <dmichail@fungible.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-08-01net/funeth: Unify skb/XDP packet mapping.Dimitris Michailidis1-15/+17
Instead of passing an skb to the mapping function pass an skb_shared_info plus an additional address/length pair. This makes it usable for both skbs and XDP. Call it from the XDP path and adjust the skb path. Signed-off-by: Dimitris Michailidis <dmichail@fungible.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-08-01net/funeth: Unify skb/XDP gather list writing.Dimitris Michailidis1-15/+31
Extract the Tx gather list writing code that skbs use into a utility function and use it also for XDP. Signed-off-by: Dimitris Michailidis <dmichail@fungible.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-08-01net/funeth: Unify skb/XDP Tx packet unmapping.Dimitris Michailidis1-21/+12
Current XDP unmapping is a subset of its skb analog, dealing with only one buffer. In preparation for multi-frag XDP rename the skb function and use it also for XDP. The XDP version is removed. Signed-off-by: Dimitris Michailidis <dmichail@fungible.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-08-01net: devlink: enable parallel ops on netlink interfaceJiri Pirko1-0/+1
As the devlink_mutex was removed and all devlink instances are protected individually by devlink->lock mutex, allow the netlink ops to run in parallel and therefore allow user to execute commands on multiple devlink instances simultaneously. Signed-off-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-08-01net: devlink: remove devlink_mutexJiri Pirko1-76/+4
All accesses to devlink structure from userspace and drivers are locked with devlink->lock instance mutex. Also, devlinks xa_array iteration is taken care of by iteration helpers taking devlink reference. Therefore, remove devlink_mutex as it is no longer needed. Signed-off-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-08-01net: devlink: convert reload command to take implicit devlink->lockJiri Pirko5-31/+5
Convert reload command to behave the same way as the rest of the commands and let if be called with devlink->lock held. Remove the temporary devl_lock taking from drivers. As the DEVLINK_NL_FLAG_NO_LOCK flag is no longer used, remove it alongside. Signed-off-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-08-01net: devlink: introduce "unregistering" mark and use it during devlinks iterationJiri Pirko1-0/+11
Add new mark called "unregistering" to be set at the beginning of devlink_unregister() function. Check this mark during devlinks iteration in order to prevent getting a reference of devlink which is being currently unregistered. Signed-off-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-08-01udp: Remove redundant __udp_sysctl_init() call from udp_init().Kuniyuki Iwashima1-7/+1
__udp_sysctl_init() is called for init_net via udp_sysctl_ops. While at it, we can rename __udp_sysctl_init() to udp_sysctl_init(). Fixes: 1e8029515816 ("udp: Move the udp sysctl to namespace.") Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-31can: can327: fix a broken link to DocumentationChristophe JAILLET1-1/+1
Since commit 482a4360c56a ("docs: networking: convert netdevices.txt to ReST"), Documentation/networking/netdevices.txt has been replaced by Documentation/networking/netdevices.rst. Update the comment accordingly to avoid a 'make htmldocs' warning. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/all/6a54aff884ea4f84b661527d75aabd6632140715.1659249135.git.christophe.jaillet@wanadoo.fr Fixes: 43da2f07622f ("can: can327: CAN/ldisc driver for ELM327 based OBD-II adapters") Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2022-07-29sfc: implement ethtool get/set RX ring size for EF100 repsEdward Cree1-0/+27
It's not truly a ring, but the maximum length of the list of queued RX SKBs is analogous to an RX ring size, so use that API to configure it. Signed-off-by: Edward Cree <ecree.xilinx@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-29sfc: use a dynamic m-port for representor RX and set it promiscEdward Cree7-3/+158
Representors do not want to be subject to the PF's Ethernet address filters, since traffic from VFs will typically have a destination either elsewhere on the link segment or on an overlay network. So, create a dynamic m-port with promiscuous and all-multicast filters, and set it as the egress port of representor default rules. Since the m-port is an alias of the calling PF's own m-port, traffic will still be delivered to the PF's RXQs, but it will be subject to the VNRX filter rules installed on the dynamic m-port (specified by the v-port ID field of the filter spec). Signed-off-by: Edward Cree <ecree.xilinx@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-29sfc: move table locking into filter_table_{probe,remove} methodsEdward Cree5-36/+33
We need to be able to drop the efx->filter_sem in ef100_filter_table_up() so that we can call functions that insert filters (and thus take that rwsem for read), which means the efx->type->filter_table_probe method needs to be responsible for taking the lock in the first place. Signed-off-by: Edward Cree <ecree.xilinx@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-29sfc: insert default MAE rules to connect VFs to representorsEdward Cree13-6/+606
Default rules are low-priority switching rules which the hardware uses in the absence of higher-priority rules. Each representor requires a corresponding rule matching traffic from its representee VF and delivering to the PF (where a check on INGRESS_MPORT in __ef100_rx_packet() will direct it to the representor). No rule is required in the reverse direction, because representor TX uses a TX override descriptor to bypass the MAE and deliver directly to the VF. Since inserting any rule into the MAE disables the firmware's own default rules, also insert a pair of rules to connect the PF to the physical network port and vice-versa. Signed-off-by: Edward Cree <ecree.xilinx@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-29sfc: receive packets from EF100 VFs into representorsEdward Cree3-0/+42
If the source m-port of a packet in __ef100_rx_packet() is a VF, hand off the packet to the corresponding representor with efx_ef100_rep_rx_packet(). Signed-off-by: Edward Cree <ecree.xilinx@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-29sfc: check ef100 RX packets are from the wireEdward Cree3-6/+26
If not, for now drop them and warn. A subsequent patch will look up the source m-port to try and find a representor to deliver them to. Signed-off-by: Edward Cree <ecree.xilinx@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-29sfc: determine wire m-port at EF100 PF probe timeEdward Cree4-0/+50
Traffic delivered to the (MAE admin) PF could be from either the wire or a VF. The INGRESS_MPORT field of the RX prefix distinguishes these; base_mport is the value this field will have for traffic from the wire (which should be delivered to the PF's netdevice, not a representor). Signed-off-by: Edward Cree <ecree.xilinx@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-29sfc: ef100 representor RX top halfEdward Cree2-0/+56
Representor RX uses a NAPI context driven by a 'fake interrupt': when the parent PF receives a packet destined for the representor, it adds it to an SKB list (efv->rx_list), and schedules NAPI if the 'fake interrupt' is primed. The NAPI poll then pulls packets off this list and feeds them to the stack with netif_receive_skb_list(). This scheme allows us to decouple representor RX from the parent PF's RX fast-path. This patch implements the 'top half', which builds an SKB, copies data into it from the RX buffer (which can then be released), adds it to the queue and fires the 'fake interrupt' if necessary. Signed-off-by: Edward Cree <ecree.xilinx@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-29sfc: ef100 representor RX NAPI pollEdward Cree2-0/+75
This patch adds the 'bottom half' napi->poll routine for representor RX. See the next patch (with the top half) for an explanation of the 'fake interrupt' scheme used to drive this NAPI context. Signed-off-by: Edward Cree <ecree.xilinx@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-29sfc: plumb ef100 representor statsEdward Cree1-0/+14
Implement .ndo_get_stats64() method to read values out of struct efx_rep_sw_stats. Signed-off-by: Edward Cree <ecree.xilinx@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-29net: marvell: prestera: uninitialized variable bugDan Carpenter1-1/+1
The "ret" variable needs to be initialized at the start. Fixes: 52323ef75414 ("net: marvell: prestera: add phylink support") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Link: https://lore.kernel.org/r/YuKeBBuGtsmd7QdT@kili Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-29dn_route: replace "jiffies-now>0" with "jiffies!=now"Yu Zhe1-1/+1
Use "jiffies != now" to replace "jiffies - now > 0" to make code more readable. We want to put a limit on how long the loop can run for before rescheduling. Signed-off-by: Yu Zhe <yuzhe@nfschina.com> Link: https://lore.kernel.org/r/20220729061712.22666-1-yuzhe@nfschina.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-29bpf: Remove unneeded semicolonYang Li1-1/+1
Eliminate the following coccicheck warning: /kernel/bpf/trampoline.c:101:2-3: Unneeded semicolon Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20220725222733.55613-1-yang.lee@linux.alibaba.com
2022-07-29libbpf: Add bpf_obj_get_opts()Joe Burton3-0/+21
Add an extensible variant of bpf_obj_get() capable of setting the `file_flags` parameter. This parameter is needed to enable unprivileged access to BPF maps. Without a method like this, users must manually make the syscall. Signed-off-by: Joe Burton <jevburton@google.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20220729202727.3311806-1-jevburton.kernel@gmail.com
2022-07-29netdevsim: Avoid allocation warnings triggered from user spaceJakub Kicinski1-3/+5
We need to suppress warnings from sily map sizes. Also switch from GFP_USER to GFP_KERNEL_ACCOUNT, I'm pretty sure I misunderstood the flags when writing this code. Fixes: 395cacb5f1a0 ("netdevsim: bpf: support fake map offload") Reported-by: syzbot+ad24705d3fd6463b18c6@syzkaller.appspotmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20220726213605.154204-1-kuba@kernel.org
2022-07-29bpf: Fix NULL pointer dereference when registering bpf trampolineXu Kuohai1-1/+4
A panic was reported on arm64: [ 44.517109] audit: type=1334 audit(1658859870.268:59): prog-id=19 op=LOAD [ 44.622031] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000010 [ 44.624321] Mem abort info: [ 44.625049] ESR = 0x0000000096000004 [ 44.625935] EC = 0x25: DABT (current EL), IL = 32 bits [ 44.627182] SET = 0, FnV = 0 [ 44.627930] EA = 0, S1PTW = 0 [ 44.628684] FSC = 0x04: level 0 translation fault [ 44.629788] Data abort info: [ 44.630474] ISV = 0, ISS = 0x00000004 [ 44.631362] CM = 0, WnR = 0 [ 44.632041] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000100ab5000 [ 44.633494] [0000000000000010] pgd=0000000000000000, p4d=0000000000000000 [ 44.635202] Internal error: Oops: 96000004 [#1] SMP [ 44.636452] Modules linked in: xfs crct10dif_ce ghash_ce virtio_blk virtio_console virtio_mmio qemu_fw_cfg [ 44.638713] CPU: 2 PID: 1 Comm: systemd Not tainted 5.19.0-rc7 #1 [ 44.640164] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015 [ 44.641799] pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 44.643404] pc : ftrace_set_filter_ip+0x24/0xa0 [ 44.644659] lr : bpf_trampoline_update.constprop.0+0x428/0x4a0 [ 44.646118] sp : ffff80000803b9f0 [ 44.646950] x29: ffff80000803b9f0 x28: ffff0b5d80364400 x27: ffff80000803bb48 [ 44.648721] x26: ffff8000085ad000 x25: ffff0b5d809d2400 x24: 0000000000000000 [ 44.650493] x23: 00000000ffffffed x22: ffff0b5dd7ea0900 x21: 0000000000000000 [ 44.652279] x20: 0000000000000000 x19: 0000000000000000 x18: ffffffffffffffff [ 44.654067] x17: 0000000000000000 x16: 0000000000000000 x15: ffffffffffffffff [ 44.655787] x14: ffff0b5d809d2498 x13: ffff0b5d809d2432 x12: 0000000005f5e100 [ 44.657535] x11: abcc77118461cefd x10: 000000000000005f x9 : ffffa7219cb5b190 [ 44.659254] x8 : ffffa7219c8e0000 x7 : 0000000000000000 x6 : ffffa7219db075e0 [ 44.661066] x5 : ffffa7219d3130e0 x4 : ffffa7219cab9da0 x3 : 0000000000000000 [ 44.662837] x2 : 0000000000000000 x1 : ffffa7219cb7a5c0 x0 : 0000000000000000 [ 44.664675] Call trace: [ 44.665274] ftrace_set_filter_ip+0x24/0xa0 [ 44.666327] bpf_trampoline_update.constprop.0+0x428/0x4a0 [ 44.667696] __bpf_trampoline_link_prog+0xcc/0x1c0 [ 44.668834] bpf_trampoline_link_prog+0x40/0x64 [ 44.669919] bpf_tracing_prog_attach+0x120/0x490 [ 44.671011] link_create+0xe0/0x2b0 [ 44.671869] __sys_bpf+0x484/0xd30 [ 44.672706] __arm64_sys_bpf+0x30/0x40 [ 44.673678] invoke_syscall+0x78/0x100 [ 44.674623] el0_svc_common.constprop.0+0x4c/0xf4 [ 44.675783] do_el0_svc+0x38/0x4c [ 44.676624] el0_svc+0x34/0x100 [ 44.677429] el0t_64_sync_handler+0x11c/0x150 [ 44.678532] el0t_64_sync+0x190/0x194 [ 44.679439] Code: 2a0203f4 f90013f5 2a0303f5 f9001fe1 (f9400800) [ 44.680959] ---[ end trace 0000000000000000 ]--- [ 44.682111] Kernel panic - not syncing: Oops: Fatal exception [ 44.683488] SMP: stopping secondary CPUs [ 44.684551] Kernel Offset: 0x2721948e0000 from 0xffff800008000000 [ 44.686095] PHYS_OFFSET: 0xfffff4a380000000 [ 44.687144] CPU features: 0x010,00022811,19001080 [ 44.688308] Memory Limit: none [ 44.689082] ---[ end Kernel panic - not syncing: Oops: Fatal exception ]--- It's caused by a NULL tr->fops passed to ftrace_set_filter_ip(). tr->fops is initialized to NULL and is assigned to an allocated memory address if CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS is enabled. Since there is no direct call on arm64 yet, the config can't be enabled. To fix it, call ftrace_set_filter_ip() only if tr->fops is not NULL. Fixes: 00963a2e75a8 ("bpf: Support bpf_trampoline on functions with IPMODIFY (e.g. livepatch)") Reported-by: Bruno Goncalves <bgoncalv@redhat.com> Signed-off-by: Xu Kuohai <xukuohai@huawei.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Tested-by: Bruno Goncalves <bgoncalv@redhat.com> Acked-by: Song Liu <songliubraving@fb.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Link: https://lore.kernel.org/bpf/20220728114048.3540461-1-xukuohai@huaweicloud.com
2022-07-29bpf: Fix test_progs -j error with fentry/fexit testsSong Liu1-1/+1
When multiple threads are attaching/detaching fentry/fexit programs to the same trampoline, we may call register_fentry on the same trampoline twice: register_fentry(), unregister_fentry(), then register_fentry again. This causes ftrace_set_filter_ip() for the same ip on tr->fops twice, which leaves duplicated ip in tr->fops. The extra ip is not cleaned up properly on unregister and thus causes failures with further register in register_ftrace_direct_multi(): register_ftrace_direct_multi() { ... for (i = 0; i < size; i++) { hlist_for_each_entry(entry, &hash->buckets[i], hlist) { if (ftrace_find_rec_direct(entry->ip)) goto out_unlock; } } ... } This can be triggered with parallel fentry/fexit tests with test_progs: ./test_progs -t fentry,fexit -j Fix this by resetting tr->fops in ftrace_set_filter_ip(), so that there will never be duplicated entries in tr->fops. Fixes: 00963a2e75a8 ("bpf: Support bpf_trampoline on functions with IPMODIFY (e.g. livepatch)") Reported-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Song Liu <song@kernel.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20220729194106.1207472-1-song@kernel.org
2022-07-29selftests/bpf: Bump internal send_signal/send_signal_tracepoint timeoutDaniel Müller2-6/+3
The send_signal/send_signal_tracepoint is pretty flaky, with at least one failure in every ten runs on a few attempts I've tried it: > test_send_signal_common:PASS:pipe_c2p 0 nsec > test_send_signal_common:PASS:pipe_p2c 0 nsec > test_send_signal_common:PASS:fork 0 nsec > test_send_signal_common:PASS:skel_open_and_load 0 nsec > test_send_signal_common:PASS:skel_attach 0 nsec > test_send_signal_common:PASS:pipe_read 0 nsec > test_send_signal_common:PASS:pipe_write 0 nsec > test_send_signal_common:PASS:reading pipe 0 nsec > test_send_signal_common:PASS:reading pipe error: size 0 0 nsec > test_send_signal_common:FAIL:incorrect result unexpected incorrect result: actual 48 != expected 50 > test_send_signal_common:PASS:pipe_write 0 nsec > #139/1 send_signal/send_signal_tracepoint:FAIL The reason does not appear to be a correctness issue in the strict sense. Rather, we merely do not receive the signal we are waiting for within the provided timeout. Let's bump the timeout by a factor of ten. With that change I have not been able to reproduce the failure in 150+ iterations. I am also sneaking in a small simplification to the test_progs test selection logic. Signed-off-by: Daniel Müller <deso@posteo.net> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20220727182955.4044988-1-deso@posteo.net
2022-07-29bpftool: Don't try to return value from void function in skeletonJörn-Thorben Hinz1-1/+1
A skeleton generated by bpftool previously contained a return followed by an expression in OBJ_NAME__detach(), which has return type void. This did not hurt, the bpf_object__detach_skeleton() called there returns void itself anyway, but led to a warning when compiling with e.g. -pedantic. Signed-off-by: Jörn-Thorben Hinz <jthinz@mailbox.tu-berlin.de> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Reviewed-by: Quentin Monnet <quentin@isovalent.com> Link: https://lore.kernel.org/bpf/20220726133203.514087-1-jthinz@mailbox.tu-berlin.de
2022-07-29bpftool: Replace sizeof(arr)/sizeof(arr[0]) with ARRAY_SIZE macroRongguang Wei1-1/+1
Use the ARRAY_SIZE macro and make the code more compact. Signed-off-by: Rongguang Wei <weirongguang@kylinos.cn> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Reviewed-by: Quentin Monnet <quentin@isovalent.com> Link: https://lore.kernel.org/bpf/20220726093045.3374026-1-clementwei90@163.com
2022-07-29bpf: btf: Fix vsnprintf return value checkFedor Tokarev1-1/+1
vsnprintf returns the number of characters which would have been written if enough space had been available, excluding the terminating null byte. Thus, the return value of 'len_left' means that the last character has been dropped. Signed-off-by: Fedor Tokarev <ftokarev@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Alan Maguire <alan.maguire@oracle.com> Link: https://lore.kernel.org/bpf/20220711211317.GA1143610@laptop
2022-07-29wifi: rtw88: check the return value of alloc_workqueue()William Dean1-0/+4
The function alloc_workqueue() in rtw_core_init() can fail, but there is no check of its return value. To fix this bug, its return value should be checked with new error handling code. Fixes: fe101716c7c9d ("rtw88: replace tx tasklet with work queue") Reported-by: Hacash Robot <hacashRobot@santino.com> Signed-off-by: William Dean <williamsukatube@gmail.com> Reviewed-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20220723063756.2956189-1-williamsukatube@163.com
2022-07-29wifi: rtw89: 8852a: adjust IMR for SER L1Zong-Zhe Yang1-1/+1
SER (system error recovery) L1 (level 1) has a step-by-step handshake process with FW. These handshakes still rely on B_AX_HS0ISR_IND_INT_EN. So, even already during recovery, we enable this bit in IMR. Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20220721074952.19676-1-pkshih@realtek.com
2022-07-29wifi: rtw89: 8852a: update RF radio A/B R56Ping-Ke Shih1-450/+446
Update to internal tag HALRF_027_00_060. Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20220622091937.11325-1-pkshih@realtek.com
2022-07-29wifi: wcn36xx: Add debugfs entry to read firmware feature stringsBryan O'Donoghue2-0/+40
Add in the ability to easily find the firmware feature bits reported in the get feature exchange without having to compile-in debug prints. root@linaro-alip:~# cat /sys/kernel/debug/ieee80211/phy0/wcn36xx/firmware_feat_caps MCC P2P DOT11AC SLM_SESSIONIZATION DOT11AC_OPMODE SAP32STA TDLS P2P_GO_NOA_DECOUPLE_INIT_SCAN WLANACTIVE_OFFLOAD BEACON_OFFLOAD SCAN_OFFLOAD BCN_MISS_OFFLOAD STA_POWERSAVE STA_ADVANCED_PWRSAVE BCN_FILTER RTT RATECTRL WOW WLAN_ROAM_SCAN_OFFLOAD SPECULATIVE_PS_POLL IBSS_HEARTBEAT_OFFLOAD WLAN_SCAN_OFFLOAD WLAN_PERIODIC_TX_PTRN ADVANCE_TDLS BATCH_SCAN FW_IN_TX_PATH EXTENDED_NSOFFLOAD_SLOT CH_SWITCH_V1 HT40_OBSS_SCAN UPDATE_CHANNEL_LIST WLAN_MCADDR_FLT WLAN_CH144 TDLS_SCAN_COEXISTENCE LINK_LAYER_STATS_MEAS MU_MIMO EXTENDED_SCAN DYNAMIC_WMM_PS MAC_SPOOFED_SCAN FW_STATS WPS_PRBRSP_TMPL BCN_IE_FLT_DELTA Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> Link: https://lore.kernel.org/r/20220727161655.2286867-5-bryan.odonoghue@linaro.org
2022-07-29wifi: wcn36xx: Move capability bitmap to string translation function to firmware.cBryan O'Donoghue3-77/+81
Move wcn36xx_get_cap_name() function in main.c into firmware.c as wcn36xx_firmware_get_cap_name(). Reviewed-by: Loic Poulain <loic.poulain@linaro.org> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> Link: https://lore.kernel.org/r/20220727161655.2286867-4-bryan.odonoghue@linaro.org
2022-07-29wifi: wcn36xx: Move firmware feature bit storage to dedicated firmware.c fileBryan O'Donoghue7-124/+146
The naming of the get/set/clear firmware feature capability bits doesn't really follow the established namespace pattern of wcn36xx_logicalblock_do_something(); The feature bits are accessed by smd.c and main.c. It would be nice to display the found feature bits in debugfs. To do so though we should tidy up the namespace a bit. Move the firmware feature exchange API to its own file - firmware.c giving us the opportunity to functionally decompose other firmware related accessors as appropriate in future. Reviewed-by: Loic Poulain <loic.poulain@linaro.org> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> Link: https://lore.kernel.org/r/20220727161655.2286867-3-bryan.odonoghue@linaro.org
2022-07-29wifi: wcn36xx: Rename clunky firmware feature bit enumBryan O'Donoghue4-8/+8
The enum name "place_holder_in_cap_bitmap" is self descriptively asking to be changed to something else. Rename place_holder_in_cap_bitmap to wcn36xx_firmware_feat_caps so that the contents and intent of the enum is obvious. Reviewed-by: Loic Poulain <loic.poulain@linaro.org> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> Link: https://lore.kernel.org/r/20220727161655.2286867-2-bryan.odonoghue@linaro.org
2022-07-29net: ethernet: mtk_eth_soc: add xdp tx return bulking supportLorenzo Bianconi1-6/+14
Convert mtk_eth_soc driver to xdp_return_frame_bulk APIs. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-29net: ethernet: mtk_eth_soc: introduce xdp multi-frag supportLorenzo Bianconi1-43/+82
Add the capability to map non-linear xdp frames in XDP_TX and ndo_xdp_xmit callback. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-29net: ethernet: mtk_eth_soc: introduce mtk_xdp_frame_map utility routineLorenzo Bianconi1-26/+42
This is a preliminary patch to add xdp multi-frag support to mtk_eth_soc driver Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-29selftests: seg6: add selftest for SRv6 H.L2Encaps.Red behaviorAndrea Mayer2-0/+822
This selftest is designed for testing the H.L2Encaps.Red behavior. It instantiates a virtual network composed of several nodes: hosts and SRv6 routers. Each node is realized using a network namespace that is properly interconnected to others through veth pairs. The test considers SRv6 routers implementing a L2 VPN leveraged by hosts for communicating with each other. Such routers make use of the SRv6 H.L2Encaps.Red behavior for applying SRv6 policies to L2 traffic coming from hosts. The correct execution of the behavior is verified through reachability tests carried out between hosts belonging to the same VPN. Signed-off-by: Andrea Mayer <andrea.mayer@uniroma2.it> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-29selftests: seg6: add selftest for SRv6 H.Encaps.Red behaviorAndrea Mayer2-0/+880
This selftest is designed for testing the H.Encaps.Red behavior. It instantiates a virtual network composed of several nodes: hosts and SRv6 routers. Each node is realized using a network namespace that is properly interconnected to others through veth pairs. The test considers SRv6 routers implementing L3 VPNs leveraged by hosts for communicating with each other. Such routers make use of the SRv6 H.Encaps.Red behavior for applying SRv6 policies to L3 traffic coming from hosts. The correct execution of the behavior is verified through reachability tests carried out between hosts belonging to the same VPN. Signed-off-by: Andrea Mayer <andrea.mayer@uniroma2.it> Signed-off-by: David S. Miller <davem@davemloft.net>
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