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| author | Denis Kirjanov <kda@linux-powerpc.org> | 2015-02-17 10:04:42 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-02-20 15:19:43 -0500 |
| commit | 022909482d1c97c0b70438f2727a4f286ef0d289 (patch) | |
| tree | eac6551ab43c924925e02057c4f9b413a88d214a /arch/powerpc/net/bpf_jit.h | |
| parent | 2ddadeab07dcc9b1456891b6fe1f1ba085028433 (diff) | |
| download | op-kernel-dev-022909482d1c97c0b70438f2727a4f286ef0d289.zip op-kernel-dev-022909482d1c97c0b70438f2727a4f286ef0d289.tar.gz | |
ppc: bpf: Add SKF_AD_CPU for ppc32
Signed-off-by: Denis Kirjanov <kda@linux-powerpc.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/powerpc/net/bpf_jit.h')
| -rw-r--r-- | arch/powerpc/net/bpf_jit.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/powerpc/net/bpf_jit.h b/arch/powerpc/net/bpf_jit.h index 2d5e715..889fd19 100644 --- a/arch/powerpc/net/bpf_jit.h +++ b/arch/powerpc/net/bpf_jit.h @@ -154,6 +154,23 @@ DECLARE_LOAD_FUNC(sk_load_byte_msh); #define PPC_LL_OFFS(r, base, i) do { PPC_LWZ_OFFS(r, base, i); } while(0) #endif +#ifdef CONFIG_SMP +#ifdef CONFIG_PPC64 +#define PPC_BPF_LOAD_CPU(r) \ + do { BUILD_BUG_ON(FIELD_SIZEOF(struct paca_struct, paca_index) != 2); \ + PPC_LHZ_OFFS(r, 13, offsetof(struct paca_struct, paca_index)); \ + } while (0) +#else +#define PPC_BPF_LOAD_CPU(r) \ + do { BUILD_BUG_ON(FIELD_SIZEOF(struct thread_info, cpu) != 4); \ + PPC_LHZ_OFFS(r, (1 & ~(THREAD_SIZE - 1)), \ + offsetof(struct thread_info, cpu)); \ + } while(0) +#endif +#else +#define PPC_BPF_LOAD_CPU(r) do { PPC_LI(r, 0); } while(0) +#endif + #define PPC_CMPWI(a, i) EMIT(PPC_INST_CMPWI | ___PPC_RA(a) | IMM_L(i)) #define PPC_CMPDI(a, i) EMIT(PPC_INST_CMPDI | ___PPC_RA(a) | IMM_L(i)) #define PPC_CMPLWI(a, i) EMIT(PPC_INST_CMPLWI | ___PPC_RA(a) | IMM_L(i)) |
