Commit 1447f93f authored by Nicolas Schichan's avatar Nicolas Schichan Committed by David S. Miller

ARM: net: add support for BPF_ANC | SKF_AD_PKTTYPE in ARM JIT.

Signed-off-by: default avatarNicolas Schichan <nschichan@freebox.fr>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e11f40b9
...@@ -895,6 +895,17 @@ static int build_body(struct jit_ctx *ctx) ...@@ -895,6 +895,17 @@ static int build_body(struct jit_ctx *ctx)
OP_IMM3(ARM_AND, r_A, r_A, 0x1, ctx); OP_IMM3(ARM_AND, r_A, r_A, 0x1, ctx);
} }
break; break;
case BPF_ANC | SKF_AD_PKTTYPE:
ctx->seen |= SEEN_SKB;
BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff,
__pkt_type_offset[0]) != 1);
off = PKT_TYPE_OFFSET();
emit(ARM_LDRB_I(r_A, r_skb, off), ctx);
emit(ARM_AND_I(r_A, r_A, PKT_TYPE_MAX), ctx);
#ifdef __BIG_ENDIAN_BITFIELD
emit(ARM_LSR_I(r_A, r_A, 5), ctx);
#endif
break;
case BPF_ANC | SKF_AD_QUEUE: case BPF_ANC | SKF_AD_QUEUE:
ctx->seen |= SEEN_SKB; ctx->seen |= SEEN_SKB;
BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff,
......
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