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| author |   David S. Miller <davem@davemloft.net> | 2017-01-17 15:19:37 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-01-17 15:19:37 -0500 |
| commit | 580bdf5650fff8f66468ce491f8308f1117b7074 (patch) | |
| tree | 3570ba1406f8cf492308d07cd88d3e53742a69f2 /include/linux/filter.h | |
| parent | Merge branch 'mpls-packet-stats' (diff) | |
| parent | stmmac: add missing of_node_put (diff) | |
| download | linux-dev-580bdf5650fff8f66468ce491f8308f1117b7074.tar.xz linux-dev-580bdf5650fff8f66468ce491f8308f1117b7074.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'include/linux/filter.h')
| -rw-r--r-- | include/linux/filter.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/filter.h b/include/linux/filter.h index a0934e6c9bab..e4eb2546339a 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -57,6 +57,8 @@ struct bpf_prog_aux; /* BPF program can access up to 512 bytes of stack space. */ #define MAX_BPF_STACK 512 +#define BPF_TAG_SIZE 8 + /* Helper macros for filter block array initializers. */ /* ALU ops on registers, bpf_add|sub|...: dst_reg += src_reg */ @@ -408,7 +410,7 @@ struct bpf_prog { kmemcheck_bitfield_end(meta); enum bpf_prog_type type; /* Type of BPF program */ u32 len; /* Number of filter blocks */ - u32 digest[SHA_DIGEST_WORDS]; /* Program digest */ + u8 tag[BPF_TAG_SIZE]; struct bpf_prog_aux *aux; /* Auxiliary fields */ struct sock_fprog_kern *orig_prog; /* Original BPF program */ unsigned int (*bpf_func)(const void *ctx, @@ -519,7 +521,7 @@ static inline u32 bpf_prog_insn_size(const struct bpf_prog *prog) return prog->len * sizeof(struct bpf_insn); } -static inline u32 bpf_prog_digest_scratch_size(const struct bpf_prog *prog) +static inline u32 bpf_prog_tag_scratch_size(const struct bpf_prog *prog) { return round_up(bpf_prog_insn_size(prog) + sizeof(__be64) + 1, SHA_MESSAGE_BYTES); |