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author | Jiong Wang | 2019-01-26 18:26:12 +0100 |
---|---|---|
committer | Alexei Starovoitov | 2019-01-26 22:33:02 +0100 |
commit | 461448398ac104b014530680dbac09e577cd2695 (patch) | |
tree | bfe54e061298a1ec2b9260ca44dd78c74ad99fb7 /drivers/net/ethernet/netronome/nfp/bpf/main.h | |
parent | s390: bpf: implement jitting of JMP32 (diff) | |
download | kernel-qcow2-linux-461448398ac104b014530680dbac09e577cd2695.tar.gz kernel-qcow2-linux-461448398ac104b014530680dbac09e577cd2695.tar.xz kernel-qcow2-linux-461448398ac104b014530680dbac09e577cd2695.zip |
nfp: bpf: implement jitting of JMP32
This patch implements code-gen for new JMP32 instructions on NFP.
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Jiong Wang <jiong.wang@netronome.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/bpf/main.h')
-rw-r--r-- | drivers/net/ethernet/netronome/nfp/bpf/main.h | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/main.h b/drivers/net/ethernet/netronome/nfp/bpf/main.h index 5813c3e13ebe..b25a48218bcf 100644 --- a/drivers/net/ethernet/netronome/nfp/bpf/main.h +++ b/drivers/net/ethernet/netronome/nfp/bpf/main.h @@ -365,6 +365,21 @@ static inline bool is_mbpf_load(const struct nfp_insn_meta *meta) return (meta->insn.code & ~BPF_SIZE_MASK) == (BPF_LDX | BPF_MEM); } +static inline bool is_mbpf_jmp32(const struct nfp_insn_meta *meta) +{ + return mbpf_class(meta) == BPF_JMP32; +} + +static inline bool is_mbpf_jmp64(const struct nfp_insn_meta *meta) +{ + return mbpf_class(meta) == BPF_JMP; +} + +static inline bool is_mbpf_jmp(const struct nfp_insn_meta *meta) +{ + return is_mbpf_jmp32(meta) || is_mbpf_jmp64(meta); +} + static inline bool is_mbpf_store(const struct nfp_insn_meta *meta) { return (meta->insn.code & ~BPF_SIZE_MASK) == (BPF_STX | BPF_MEM); @@ -419,10 +434,13 @@ static inline bool is_mbpf_cond_jump(const struct nfp_insn_meta *meta) { u8 op; - if (BPF_CLASS(meta->insn.code) != BPF_JMP) + if (is_mbpf_jmp32(meta)) + return true; + + if (!is_mbpf_jmp64(meta)) return false; - op = BPF_OP(meta->insn.code); + op = mbpf_op(meta); return op != BPF_JA && op != BPF_EXIT && op != BPF_CALL; } |