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| author | Nicolas Schichan <nschichan@freebox.fr> | 2015-07-27 16:06:50 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-07-28 00:57:40 +0300 |
| commit | 303249ab168f58ee52c502389b9a8046af78d142 (patch) | |
| tree | db535398213428f2f81f7c8071ba000b703d0408 /arch/arm/net | |
| parent | 1447f93f22add339ee63d1a7015309d9fbfa47e8 (diff) | |
| download | linux-303249ab168f58ee52c502389b9a8046af78d142.tar.xz | |
ARM: net: add support for BPF_ANC | SKF_AD_PAY_OFFSET in ARM JIT.
Signed-off-by: Nicolas Schichan <nschichan@freebox.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/arm/net')
| -rw-r--r-- | arch/arm/net/bpf_jit_32.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c index 6ff248ca36d9..3c73caf6e09b 100644 --- a/arch/arm/net/bpf_jit_32.c +++ b/arch/arm/net/bpf_jit_32.c @@ -915,6 +915,14 @@ b_epilogue: off = offsetof(struct sk_buff, queue_mapping); emit(ARM_LDRH_I(r_A, r_skb, off), ctx); break; + case BPF_ANC | SKF_AD_PAY_OFFSET: + ctx->seen |= SEEN_SKB | SEEN_CALL; + + emit(ARM_MOV_R(ARM_R0, r_skb), ctx); + emit_mov_i(ARM_R3, (unsigned int)skb_get_poff, ctx); + emit_blx_r(ARM_R3, ctx); + emit(ARM_MOV_R(r_A, ARM_R0), ctx); + break; case BPF_LDX | BPF_W | BPF_ABS: /* * load a 32bit word from struct seccomp_data. |