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| author | Alexei Starovoitov <ast@plumgrid.com> | 2014-09-16 12:35:35 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-09-19 15:34:40 -0400 |
| commit | 709f6c58d4dcd2b300c914ec17b297acae4cb998 (patch) | |
| tree | e5396d29661ade147a75db7acf39f68f1e2cb25c /arch/sparc/net | |
| parent | bf3c228d36c6b3c90074f928e84e318621969cc6 (diff) | |
| download | linux-709f6c58d4dcd2b300c914ec17b297acae4cb998.tar.gz | |
sparc: bpf_jit: add SKF_AD_PKTTYPE support to JIT
commit 233577a22089 ("net: filter: constify detection of pkt_type_offset")
allows us to implement simple PKTTYPE support in sparc JIT
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/net')
| -rw-r--r-- | arch/sparc/net/bpf_jit_comp.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/arch/sparc/net/bpf_jit_comp.c b/arch/sparc/net/bpf_jit_comp.c index b2ad9dc5425e..2dde48bdcc42 100644 --- a/arch/sparc/net/bpf_jit_comp.c +++ b/arch/sparc/net/bpf_jit_comp.c @@ -579,16 +579,11 @@ void bpf_jit_compile(struct bpf_prog *fp) case BPF_ANC | SKF_AD_PROTOCOL: emit_skb_load16(protocol, r_A); break; -#if 0 - /* GCC won't let us take the address of - * a bit field even though we very much - * know what we are doing here. - */ case BPF_ANC | SKF_AD_PKTTYPE: - __emit_skb_load8(pkt_type, r_A); + __emit_skb_load8(__pkt_type_offset, r_A); + emit_andi(r_A, PKT_TYPE_MAX, r_A); emit_alu_K(SRL, 5); break; -#endif case BPF_ANC | SKF_AD_IFINDEX: emit_skb_loadptr(dev, r_A); emit_cmpi(r_A, 0); |