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-rw-r--r--arch/alpha/include/uapi/asm/sockios.h4
-rw-r--r--arch/arm/mach-mvebu/kirkwood.c3
-rw-r--r--arch/arm64/include/asm/insn.h8
-rw-r--r--arch/arm64/kernel/insn.c40
-rw-r--r--arch/arm64/net/bpf_jit.h8
-rw-r--r--arch/arm64/net/bpf_jit_comp.c29
-rw-r--r--arch/ia64/include/uapi/asm/sockios.h21
-rw-r--r--arch/mips/include/uapi/asm/sockios.h4
-rw-r--r--arch/parisc/include/uapi/asm/sockios.h14
-rw-r--r--arch/powerpc/sysdev/tsi108_dev.c2
-rw-r--r--arch/sh/include/uapi/asm/sockios.h5
-rw-r--r--arch/sparc/include/uapi/asm/sockios.h15
-rw-r--r--arch/um/drivers/vector_kern.c2
-rw-r--r--arch/x86/include/uapi/asm/sockios.h1
-rw-r--r--arch/x86/net/bpf_jit_comp32.c236
-rw-r--r--arch/xtensa/include/uapi/asm/sockios.h4
16 files changed, 255 insertions, 141 deletions
diff --git a/arch/alpha/include/uapi/asm/sockios.h b/arch/alpha/include/uapi/asm/sockios.h
index ba287e4b01bf..af92bc27c3be 100644
--- a/arch/alpha/include/uapi/asm/sockios.h
+++ b/arch/alpha/include/uapi/asm/sockios.h
@@ -11,7 +11,7 @@
#define SIOCSPGRP _IOW('s', 8, pid_t)
#define SIOCGPGRP _IOR('s', 9, pid_t)
-#define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */
-#define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */
+#define SIOCGSTAMP_OLD 0x8906 /* Get stamp (timeval) */
+#define SIOCGSTAMPNS_OLD 0x8907 /* Get stamp (timespec) */
#endif /* _ASM_ALPHA_SOCKIOS_H */
diff --git a/arch/arm/mach-mvebu/kirkwood.c b/arch/arm/mach-mvebu/kirkwood.c
index 0aa88105d46e..9b5f4d665374 100644
--- a/arch/arm/mach-mvebu/kirkwood.c
+++ b/arch/arm/mach-mvebu/kirkwood.c
@@ -92,7 +92,8 @@ static void __init kirkwood_dt_eth_fixup(void)
continue;
/* skip disabled nodes or nodes with valid MAC address*/
- if (!of_device_is_available(pnp) || of_get_mac_address(np))
+ if (!of_device_is_available(pnp) ||
+ !IS_ERR(of_get_mac_address(np)))
goto eth_fixup_skip;
clk = of_clk_get(pnp, 0);
diff --git a/arch/arm64/include/asm/insn.h b/arch/arm64/include/asm/insn.h
index 9c01f04db64d..ec894de0ed4e 100644
--- a/arch/arm64/include/asm/insn.h
+++ b/arch/arm64/include/asm/insn.h
@@ -277,6 +277,7 @@ __AARCH64_INSN_FUNCS(adrp, 0x9F000000, 0x90000000)
__AARCH64_INSN_FUNCS(prfm, 0x3FC00000, 0x39800000)
__AARCH64_INSN_FUNCS(prfm_lit, 0xFF000000, 0xD8000000)
__AARCH64_INSN_FUNCS(str_reg, 0x3FE0EC00, 0x38206800)
+__AARCH64_INSN_FUNCS(ldadd, 0x3F20FC00, 0xB8200000)
__AARCH64_INSN_FUNCS(ldr_reg, 0x3FE0EC00, 0x38606800)
__AARCH64_INSN_FUNCS(ldr_lit, 0xBF000000, 0x18000000)
__AARCH64_INSN_FUNCS(ldrsw_lit, 0xFF000000, 0x98000000)
@@ -394,6 +395,13 @@ u32 aarch64_insn_gen_load_store_ex(enum aarch64_insn_register reg,
enum aarch64_insn_register state,
enum aarch64_insn_size_type size,
enum aarch64_insn_ldst_type type);
+u32 aarch64_insn_gen_ldadd(enum aarch64_insn_register result,
+ enum aarch64_insn_register address,
+ enum aarch64_insn_register value,
+ enum aarch64_insn_size_type size);
+u32 aarch64_insn_gen_stadd(enum aarch64_insn_register address,
+ enum aarch64_insn_register value,
+ enum aarch64_insn_size_type size);
u32 aarch64_insn_gen_add_sub_imm(enum aarch64_insn_register dst,
enum aarch64_insn_register src,
int imm, enum aarch64_insn_variant variant,
diff --git a/arch/arm64/kernel/insn.c b/arch/arm64/kernel/insn.c
index 7820a4a688fa..9e2b5882cdeb 100644
--- a/arch/arm64/kernel/insn.c
+++ b/arch/arm64/kernel/insn.c
@@ -734,6 +734,46 @@ u32 aarch64_insn_gen_load_store_ex(enum aarch64_insn_register reg,
state);
}
+u32 aarch64_insn_gen_ldadd(enum aarch64_insn_register result,
+ enum aarch64_insn_register address,
+ enum aarch64_insn_register value,
+ enum aarch64_insn_size_type size)
+{
+ u32 insn = aarch64_insn_get_ldadd_value();
+
+ switch (size) {
+ case AARCH64_INSN_SIZE_32:
+ case AARCH64_INSN_SIZE_64:
+ break;
+ default:
+ pr_err("%s: unimplemented size encoding %d\n", __func__, size);
+ return AARCH64_BREAK_FAULT;
+ }
+
+ insn = aarch64_insn_encode_ldst_size(size, insn);
+
+ insn = aarch64_insn_encode_register(AARCH64_INSN_REGTYPE_RT, insn,
+ result);
+
+ insn = aarch64_insn_encode_register(AARCH64_INSN_REGTYPE_RN, insn,
+ address);
+
+ return aarch64_insn_encode_register(AARCH64_INSN_REGTYPE_RS, insn,
+ value);
+}
+
+u32 aarch64_insn_gen_stadd(enum aarch64_insn_register address,
+ enum aarch64_insn_register value,
+ enum aarch64_insn_size_type size)
+{
+ /*
+ * STADD is simply encoded as an alias for LDADD with XZR as
+ * the destination register.
+ */
+ return aarch64_insn_gen_ldadd(AARCH64_INSN_REG_ZR, address,
+ value, size);
+}
+
static u32 aarch64_insn_encode_prfm_imm(enum aarch64_insn_prfm_type type,
enum aarch64_insn_prfm_target target,
enum aarch64_insn_prfm_policy policy,
diff --git a/arch/arm64/net/bpf_jit.h b/arch/arm64/net/bpf_jit.h
index 783de51a6c4e..76606e87233f 100644
--- a/arch/arm64/net/bpf_jit.h
+++ b/arch/arm64/net/bpf_jit.h
@@ -100,11 +100,9 @@
#define A64_STXR(sf, Rt, Rn, Rs) \
A64_LSX(sf, Rt, Rn, Rs, STORE_EX)
-/* Prefetch */
-#define A64_PRFM(Rn, type, target, policy) \
- aarch64_insn_gen_prefetch(Rn, AARCH64_INSN_PRFM_TYPE_##type, \
- AARCH64_INSN_PRFM_TARGET_##target, \
- AARCH64_INSN_PRFM_POLICY_##policy)
+/* LSE atomics */
+#define A64_STADD(sf, Rn, Rs) \
+ aarch64_insn_gen_stadd(Rn, Rs, A64_SIZE(sf))
/* Add/subtract (immediate) */
#define A64_ADDSUB_IMM(sf, Rd, Rn, imm12, type) \
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c
index aaddc0217e73..df845cee438e 100644
--- a/arch/arm64/net/bpf_jit_comp.c
+++ b/arch/arm64/net/bpf_jit_comp.c
@@ -365,7 +365,7 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx,
const bool is64 = BPF_CLASS(code) == BPF_ALU64 ||
BPF_CLASS(code) == BPF_JMP;
const bool isdw = BPF_SIZE(code) == BPF_DW;
- u8 jmp_cond;
+ u8 jmp_cond, reg;
s32 jmp_offset;
#define check_imm(bits, imm) do { \
@@ -756,19 +756,28 @@ emit_cond_jmp:
break;
}
break;
+
/* STX XADD: lock *(u32 *)(dst + off) += src */
case BPF_STX | BPF_XADD | BPF_W:
/* STX XADD: lock *(u64 *)(dst + off) += src */
case BPF_STX | BPF_XADD | BPF_DW:
- emit_a64_mov_i(1, tmp, off, ctx);
- emit(A64_ADD(1, tmp, tmp, dst), ctx);
- emit(A64_PRFM(tmp, PST, L1, STRM), ctx);
- emit(A64_LDXR(isdw, tmp2, tmp), ctx);
- emit(A64_ADD(isdw, tmp2, tmp2, src), ctx);
- emit(A64_STXR(isdw, tmp2, tmp, tmp3), ctx);
- jmp_offset = -3;
- check_imm19(jmp_offset);
- emit(A64_CBNZ(0, tmp3, jmp_offset), ctx);
+ if (!off) {
+ reg = dst;
+ } else {
+ emit_a64_mov_i(1, tmp, off, ctx);
+ emit(A64_ADD(1, tmp, tmp, dst), ctx);
+ reg = tmp;
+ }
+ if (cpus_have_cap(ARM64_HAS_LSE_ATOMICS)) {
+ emit(A64_STADD(isdw, reg, src), ctx);
+ } else {
+ emit(A64_LDXR(isdw, tmp2, reg), ctx);
+ emit(A64_ADD(isdw, tmp2, tmp2, src), ctx);
+ emit(A64_STXR(isdw, tmp2, reg, tmp3), ctx);
+ jmp_offset = -3;
+ check_imm19(jmp_offset);
+ emit(A64_CBNZ(0, tmp3, jmp_offset), ctx);
+ }
break;
default:
diff --git a/arch/ia64/include/uapi/asm/sockios.h b/arch/ia64/include/uapi/asm/sockios.h
deleted file mode 100644
index f27a12f95d20..000000000000
--- a/arch/ia64/include/uapi/asm/sockios.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef _ASM_IA64_SOCKIOS_H
-#define _ASM_IA64_SOCKIOS_H
-
-/*
- * Socket-level I/O control calls.
- *
- * Based on <asm-i386/sockios.h>.
- *
- * Modified 1998, 1999
- * David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
- */
-#define FIOSETOWN 0x8901
-#define SIOCSPGRP 0x8902
-#define FIOGETOWN 0x8903
-#define SIOCGPGRP 0x8904
-#define SIOCATMARK 0x8905
-#define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */
-#define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */
-
-#endif /* _ASM_IA64_SOCKIOS_H */
diff --git a/arch/mips/include/uapi/asm/sockios.h b/arch/mips/include/uapi/asm/sockios.h
index 5b40a88593fa..66f60234f290 100644
--- a/arch/mips/include/uapi/asm/sockios.h
+++ b/arch/mips/include/uapi/asm/sockios.h
@@ -21,7 +21,7 @@
#define SIOCSPGRP _IOW('s', 8, pid_t)
#define SIOCGPGRP _IOR('s', 9, pid_t)
-#define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */
-#define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */
+#define SIOCGSTAMP_OLD 0x8906 /* Get stamp (timeval) */
+#define SIOCGSTAMPNS_OLD 0x8907 /* Get stamp (timespec) */
#endif /* _ASM_SOCKIOS_H */
diff --git a/arch/parisc/include/uapi/asm/sockios.h b/arch/parisc/include/uapi/asm/sockios.h
deleted file mode 100644
index 66a3ba64d53f..000000000000
--- a/arch/parisc/include/uapi/asm/sockios.h
+++ /dev/null
@@ -1,14 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef __ARCH_PARISC_SOCKIOS__
-#define __ARCH_PARISC_SOCKIOS__
-
-/* Socket-level I/O control calls. */
-#define FIOSETOWN 0x8901
-#define SIOCSPGRP 0x8902
-#define FIOGETOWN 0x8903
-#define SIOCGPGRP 0x8904
-#define SIOCATMARK 0x8905
-#define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */
-#define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */
-
-#endif
diff --git a/arch/powerpc/sysdev/tsi108_dev.c b/arch/powerpc/sysdev/tsi108_dev.c
index 1f1af12f23e2..c92dcac85231 100644
--- a/arch/powerpc/sysdev/tsi108_dev.c
+++ b/arch/powerpc/sysdev/tsi108_dev.c
@@ -105,7 +105,7 @@ static int __init tsi108_eth_of_init(void)
}
mac_addr = of_get_mac_address(np);
- if (mac_addr)
+ if (!IS_ERR(mac_addr))
memcpy(tsi_eth_data.mac_addr, mac_addr, 6);
ph = of_get_property(np, "mdio-handle", NULL);
diff --git a/arch/sh/include/uapi/asm/sockios.h b/arch/sh/include/uapi/asm/sockios.h
index 17313d2c3527..ef18a668456d 100644
--- a/arch/sh/include/uapi/asm/sockios.h
+++ b/arch/sh/include/uapi/asm/sockios.h
@@ -10,6 +10,7 @@
#define SIOCSPGRP _IOW('s', 8, pid_t)
#define SIOCGPGRP _IOR('s', 9, pid_t)
-#define SIOCGSTAMP _IOR('s', 100, struct timeval) /* Get stamp (timeval) */
-#define SIOCGSTAMPNS _IOR('s', 101, struct timespec) /* Get stamp (timespec) */
+#define SIOCGSTAMP_OLD _IOR('s', 100, struct timeval) /* Get stamp (timeval) */
+#define SIOCGSTAMPNS_OLD _IOR('s', 101, struct timespec) /* Get stamp (timespec) */
+
#endif /* __ASM_SH_SOCKIOS_H */
diff --git a/arch/sparc/include/uapi/asm/sockios.h b/arch/sparc/include/uapi/asm/sockios.h
deleted file mode 100644
index 18a3ec14a847..000000000000
--- a/arch/sparc/include/uapi/asm/sockios.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef _ASM_SPARC_SOCKIOS_H
-#define _ASM_SPARC_SOCKIOS_H
-
-/* Socket-level I/O control calls. */
-#define FIOSETOWN 0x8901
-#define SIOCSPGRP 0x8902
-#define FIOGETOWN 0x8903
-#define SIOCGPGRP 0x8904
-#define SIOCATMARK 0x8905
-#define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */
-#define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */
-
-#endif /* !(_ASM_SPARC_SOCKIOS_H) */
-
diff --git a/arch/um/drivers/vector_kern.c b/arch/um/drivers/vector_kern.c
index 596e7056f376..e190e4ca52e1 100644
--- a/arch/um/drivers/vector_kern.c
+++ b/arch/um/drivers/vector_kern.c
@@ -1043,7 +1043,7 @@ static int vector_net_start_xmit(struct sk_buff *skb, struct net_device *dev)
vector_send(vp->tx_queue);
return NETDEV_TX_OK;
}
- if (skb->xmit_more) {
+ if (netdev_xmit_more()) {
mod_timer(&vp->tl, vp->coalesce);
return NETDEV_TX_OK;
}
diff --git a/arch/x86/include/uapi/asm/sockios.h b/arch/x86/include/uapi/asm/sockios.h
deleted file mode 100644
index def6d4746ee7..000000000000
--- a/arch/x86/include/uapi/asm/sockios.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/sockios.h>
diff --git a/arch/x86/net/bpf_jit_comp32.c b/arch/x86/net/bpf_jit_comp32.c
index 0d9cdffce6ac..b29e82f190c7 100644
--- a/arch/x86/net/bpf_jit_comp32.c
+++ b/arch/x86/net/bpf_jit_comp32.c
@@ -117,6 +117,8 @@ static bool is_simm32(s64 value)
#define IA32_JLE 0x7E
#define IA32_JG 0x7F
+#define COND_JMP_OPCODE_INVALID (0xFF)
+
/*
* Map eBPF registers to IA32 32bit registers or stack scratch space.
*
@@ -698,19 +700,12 @@ static inline void emit_ia32_neg64(const u8 dst[], bool dstk, u8 **pprog)
STACK_VAR(dst_hi));
}
- /* xor ecx,ecx */
- EMIT2(0x31, add_2reg(0xC0, IA32_ECX, IA32_ECX));
- /* sub dreg_lo,ecx */
- EMIT2(0x2B, add_2reg(0xC0, dreg_lo, IA32_ECX));
- /* mov dreg_lo,ecx */
- EMIT2(0x89, add_2reg(0xC0, dreg_lo, IA32_ECX));
-
- /* xor ecx,ecx */
- EMIT2(0x31, add_2reg(0xC0, IA32_ECX, IA32_ECX));
- /* sbb dreg_hi,ecx */
- EMIT2(0x19, add_2reg(0xC0, dreg_hi, IA32_ECX));
- /* mov dreg_hi,ecx */
- EMIT2(0x89, add_2reg(0xC0, dreg_hi, IA32_ECX));
+ /* neg dreg_lo */
+ EMIT2(0xF7, add_1reg(0xD8, dreg_lo));
+ /* adc dreg_hi,0x0 */
+ EMIT3(0x83, add_1reg(0xD0, dreg_hi), 0x00);
+ /* neg dreg_hi */
+ EMIT2(0xF7, add_1reg(0xD8, dreg_hi));
if (dstk) {
/* mov dword ptr [ebp+off],dreg_lo */
@@ -1613,6 +1608,75 @@ static inline void emit_push_r64(const u8 src[], u8 **pprog)
*pprog = prog;
}
+static u8 get_cond_jmp_opcode(const u8 op, bool is_cmp_lo)
+{
+ u8 jmp_cond;
+
+ /* Convert BPF opcode to x86 */
+ switch (op) {
+ case BPF_JEQ:
+ jmp_cond = IA32_JE;
+ break;
+ case BPF_JSET:
+ case BPF_JNE:
+ jmp_cond = IA32_JNE;
+ break;
+ case BPF_JGT:
+ /* GT is unsigned '>', JA in x86 */
+ jmp_cond = IA32_JA;
+ break;
+ case BPF_JLT:
+ /* LT is unsigned '<', JB in x86 */
+ jmp_cond = IA32_JB;
+ break;
+ case BPF_JGE:
+ /* GE is unsigned '>=', JAE in x86 */
+ jmp_cond = IA32_JAE;
+ break;
+ case BPF_JLE:
+ /* LE is unsigned '<=', JBE in x86 */
+ jmp_cond = IA32_JBE;
+ break;
+ case BPF_JSGT:
+ if (!is_cmp_lo)
+ /* Signed '>', GT in x86 */
+ jmp_cond = IA32_JG;
+ else
+ /* GT is unsigned '>', JA in x86 */
+ jmp_cond = IA32_JA;
+ break;
+ case BPF_JSLT:
+ if (!is_cmp_lo)
+ /* Signed '<', LT in x86 */
+ jmp_cond = IA32_JL;
+ else
+ /* LT is unsigned '<', JB in x86 */
+ jmp_cond = IA32_JB;
+ break;
+ case BPF_JSGE:
+ if (!is_cmp_lo)
+ /* Signed '>=', GE in x86 */
+ jmp_cond = IA32_JGE;
+ else
+ /* GE is unsigned '>=', JAE in x86 */
+ jmp_cond = IA32_JAE;
+ break;
+ case BPF_JSLE:
+ if (!is_cmp_lo)
+ /* Signed '<=', LE in x86 */
+ jmp_cond = IA32_JLE;
+ else
+ /* LE is unsigned '<=', JBE in x86 */
+ jmp_cond = IA32_JBE;
+ break;
+ default: /* to silence GCC warning */
+ jmp_cond = COND_JMP_OPCODE_INVALID;
+ break;
+ }
+
+ return jmp_cond;
+}
+
static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
int oldproglen, struct jit_context *ctx)
{
@@ -2069,10 +2133,6 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
case BPF_JMP | BPF_JLT | BPF_X:
case BPF_JMP | BPF_JGE | BPF_X:
case BPF_JMP | BPF_JLE | BPF_X:
- case BPF_JMP | BPF_JSGT | BPF_X:
- case BPF_JMP | BPF_JSLE | BPF_X:
- case BPF_JMP | BPF_JSLT | BPF_X:
- case BPF_JMP | BPF_JSGE | BPF_X:
case BPF_JMP32 | BPF_JEQ | BPF_X:
case BPF_JMP32 | BPF_JNE | BPF_X:
case BPF_JMP32 | BPF_JGT | BPF_X:
@@ -2118,6 +2178,40 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
EMIT2(0x39, add_2reg(0xC0, dreg_lo, sreg_lo));
goto emit_cond_jmp;
}
+ case BPF_JMP | BPF_JSGT | BPF_X:
+ case BPF_JMP | BPF_JSLE | BPF_X:
+ case BPF_JMP | BPF_JSLT | BPF_X:
+ case BPF_JMP | BPF_JSGE | BPF_X: {
+ u8 dreg_lo = dstk ? IA32_EAX : dst_lo;
+ u8 dreg_hi = dstk ? IA32_EDX : dst_hi;
+ u8 sreg_lo = sstk ? IA32_ECX : src_lo;
+ u8 sreg_hi = sstk ? IA32_EBX : src_hi;
+
+ if (dstk) {
+ EMIT3(0x8B, add_2reg(0x40, IA32_EBP, IA32_EAX),
+ STACK_VAR(dst_lo));
+ EMIT3(0x8B,
+ add_2reg(0x40, IA32_EBP,
+ IA32_EDX),
+ STACK_VAR(dst_hi));
+ }
+
+ if (sstk) {
+ EMIT3(0x8B, add_2reg(0x40, IA32_EBP, IA32_ECX),
+ STACK_VAR(src_lo));
+ EMIT3(0x8B,
+ add_2reg(0x40, IA32_EBP,
+ IA32_EBX),
+ STACK_VAR(src_hi));
+ }
+
+ /* cmp dreg_hi,sreg_hi */
+ EMIT2(0x39, add_2reg(0xC0, dreg_hi, sreg_hi));
+ EMIT2(IA32_JNE, 10);
+ /* cmp dreg_lo,sreg_lo */
+ EMIT2(0x39, add_2reg(0xC0, dreg_lo, sreg_lo));
+ goto emit_cond_jmp_signed;
+ }
case BPF_JMP | BPF_JSET | BPF_X:
case BPF_JMP32 | BPF_JSET | BPF_X: {
bool is_jmp64 = BPF_CLASS(insn->code) == BPF_JMP;
@@ -2194,10 +2288,6 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
case BPF_JMP | BPF_JLT | BPF_K:
case BPF_JMP | BPF_JGE | BPF_K:
case BPF_JMP | BPF_JLE | BPF_K:
- case BPF_JMP | BPF_JSGT | BPF_K:
- case BPF_JMP | BPF_JSLE | BPF_K:
- case BPF_JMP | BPF_JSLT | BPF_K:
- case BPF_JMP | BPF_JSGE | BPF_K:
case BPF_JMP32 | BPF_JEQ | BPF_K:
case BPF_JMP32 | BPF_JNE | BPF_K:
case BPF_JMP32 | BPF_JGT | BPF_K:
@@ -2238,50 +2328,9 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
/* cmp dreg_lo,sreg_lo */
EMIT2(0x39, add_2reg(0xC0, dreg_lo, sreg_lo));
-emit_cond_jmp: /* Convert BPF opcode to x86 */
- switch (BPF_OP(code)) {
- case BPF_JEQ:
- jmp_cond = IA32_JE;
- break;
- case BPF_JSET:
- case BPF_JNE:
- jmp_cond = IA32_JNE;
- break;
- case BPF_JGT:
- /* GT is unsigned '>', JA in x86 */
- jmp_cond = IA32_JA;
- break;
- case BPF_JLT:
- /* LT is unsigned '<', JB in x86 */
- jmp_cond = IA32_JB;
- break;
- case BPF_JGE:
- /* GE is unsigned '>=', JAE in x86 */
- jmp_cond = IA32_JAE;
- break;
- case BPF_JLE:
- /* LE is unsigned '<=', JBE in x86 */
- jmp_cond = IA32_JBE;
- break;
- case BPF_JSGT:
- /* Signed '>', GT in x86 */
- jmp_cond = IA32_JG;
- break;
- case BPF_JSLT:
- /* Signed '<', LT in x86 */
- jmp_cond = IA32_JL;
- break;
- case BPF_JSGE:
- /* Signed '>=', GE in x86 */
- jmp_cond = IA32_JGE;
- break;
- case BPF_JSLE:
- /* Signed '<=', LE in x86 */
- jmp_cond = IA32_JLE;
- break;
- default: /* to silence GCC warning */
+emit_cond_jmp: jmp_cond = get_cond_jmp_opcode(BPF_OP(code), false);
+ if (jmp_cond == COND_JMP_OPCODE_INVALID)
return -EFAULT;
- }
jmp_offset = addrs[i + insn->off] - addrs[i];
if (is_imm8(jmp_offset)) {
EMIT2(jmp_cond, jmp_offset);
@@ -2291,7 +2340,66 @@ emit_cond_jmp: /* Convert BPF opcode to x86 */
pr_err("cond_jmp gen bug %llx\n", jmp_offset);
return -EFAULT;
}
+ break;
+ }
+ case BPF_JMP | BPF_JSGT | BPF_K:
+ case BPF_JMP | BPF_JSLE | BPF_K:
+ case BPF_JMP | BPF_JSLT | BPF_K:
+ case BPF_JMP | BPF_JSGE | BPF_K: {
+ u8 dreg_lo = dstk ? IA32_EAX : dst_lo;
+ u8 dreg_hi = dstk ? IA32_EDX : dst_hi;
+ u8 sreg_lo = IA32_ECX;
+ u8 sreg_hi = IA32_EBX;
+ u32 hi;
+ if (dstk) {
+ EMIT3(0x8B, add_2reg(0x40, IA32_EBP, IA32_EAX),
+ STACK_VAR(dst_lo));
+ EMIT3(0x8B,
+ add_2reg(0x40, IA32_EBP,
+ IA32_EDX),
+ STACK_VAR(dst_hi));
+ }
+
+ /* mov ecx,imm32 */
+ EMIT2_off32(0xC7, add_1reg(0xC0, IA32_ECX), imm32);
+ hi = imm32 & (1 << 31) ? (u32)~0 : 0;
+ /* mov ebx,imm32 */
+ EMIT2_off32(0xC7, add_1reg(0xC0, IA32_EBX), hi);
+ /* cmp dreg_hi,sreg_hi */
+ EMIT2(0x39, add_2reg(0xC0, dreg_hi, sreg_hi));
+ EMIT2(IA32_JNE, 10);
+ /* cmp dreg_lo,sreg_lo */
+ EMIT2(0x39, add_2reg(0xC0, dreg_lo, sreg_lo));
+
+ /*
+ * For simplicity of branch offset computation,
+ * let's use fixed jump coding here.
+ */
+emit_cond_jmp_signed: /* Check the condition for low 32-bit comparison */
+ jmp_cond = get_cond_jmp_opcode(BPF_OP(code), true);
+ if (jmp_cond == COND_JMP_OPCODE_INVALID)
+ return -EFAULT;
+ jmp_offset = addrs[i + insn->off] - addrs[i] + 8;
+ if (is_simm32(jmp_offset)) {
+ EMIT2_off32(0x0F, jmp_cond + 0x10, jmp_offset);
+ } else {
+ pr_err("cond_jmp gen bug %llx\n", jmp_offset);
+ return -EFAULT;
+ }
+ EMIT2(0xEB, 6);
+
+ /* Check the condition for high 32-bit comparison */
+ jmp_cond = get_cond_jmp_opcode(BPF_OP(code), false);
+ if (jmp_cond == COND_JMP_OPCODE_INVALID)
+ return -EFAULT;
+ jmp_offset = addrs[i + insn->off] - addrs[i];
+ if (is_simm32(jmp_offset)) {
+ EMIT2_off32(0x0F, jmp_cond + 0x10, jmp_offset);
+ } else {
+ pr_err("cond_jmp gen bug %llx\n", jmp_offset);
+ return -EFAULT;
+ }
break;
}
case BPF_JMP | BPF_JA:
diff --git a/arch/xtensa/include/uapi/asm/sockios.h b/arch/xtensa/include/uapi/asm/sockios.h
index fb8ac3607189..1a1f58f4b75a 100644
--- a/arch/xtensa/include/uapi/asm/sockios.h
+++ b/arch/xtensa/include/uapi/asm/sockios.h
@@ -26,7 +26,7 @@
#define SIOCSPGRP _IOW('s', 8, pid_t)
#define SIOCGPGRP _IOR('s', 9, pid_t)
-#define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */
-#define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */
+#define SIOCGSTAMP_OLD 0x8906 /* Get stamp (timeval) */
+#define SIOCGSTAMPNS_OLD 0x8907 /* Get stamp (timespec) */
#endif /* _XTENSA_SOCKIOS_H */
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