diff options
| author | Denis Kirjanov <kda@linux-powerpc.org> | 2014-10-30 06:12:15 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-11-03 20:29:42 (GMT) |
| commit | 4e2357611323d562fe255d9d71309b3ece30b8cd (patch) | |
| tree | 26db9651c4e5adc1c2bfb1dfcd1b28c46fd47a6b /arch/powerpc/include | |
| parent | 547f2735c20023d7b50a791b1b17cacb652e9237 (diff) | |
| download | linux-4e2357611323d562fe255d9d71309b3ece30b8cd.tar.xz | |
PPC: bpf_jit_comp: add SKF_AD_PKTTYPE instruction
Add BPF extension SKF_AD_PKTTYPE to ppc JIT to load
skb->pkt_type field.
Before:
[ 88.262622] test_bpf: #11 LD_IND_NET 86 97 99 PASS
[ 88.265740] test_bpf: #12 LD_PKTTYPE 109 107 PASS
After:
[ 80.605964] test_bpf: #11 LD_IND_NET 44 40 39 PASS
[ 80.607370] test_bpf: #12 LD_PKTTYPE 9 9 PASS
CC: Alexei Starovoitov<alexei.starovoitov@gmail.com>
CC: Michael Ellerman<mpe@ellerman.id.au>
Cc: Matt Evans <matt@ozlabs.org>
Signed-off-by: Denis Kirjanov <kda@linux-powerpc.org>
v2: Added test rusults
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/ppc-opcode.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index 6f85362..1a52877 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -204,6 +204,7 @@ #define PPC_INST_ERATSX_DOT 0x7c000127 /* Misc instructions for BPF compiler */ +#define PPC_INST_LBZ 0x88000000 #define PPC_INST_LD 0xe8000000 #define PPC_INST_LHZ 0xa0000000 #define PPC_INST_LHBRX 0x7c00062c |