From 303249ab168f58ee52c502389b9a8046af78d142 Mon Sep 17 00:00:00 2001 From: Nicolas Schichan Date: Mon, 27 Jul 2015 15:06:50 +0200 Subject: [PATCH] ARM: net: add support for BPF_ANC | SKF_AD_PAY_OFFSET in ARM JIT. Signed-off-by: Nicolas Schichan Signed-off-by: David S. Miller --- arch/arm/net/bpf_jit_32.c | 8 ++++++++ 1 file changed, 8 insertions(+) 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. -- 2.20.1