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| author |   Eric Dumazet <edumazet@google.com> | 2019-01-23 09:22:27 -0800 |
|---|---|---|
| committer |   Daniel Borkmann <daniel@iogearbox.net> | 2019-01-24 10:49:05 +0100 |
| commit | d9ff286a0f59fa7843549e49bd240393dd7d8b87 (patch) | |
| tree | e35b062f71cf6970b8fa2e05e6d9feb0687da8a3 /tools/include | |
| parent | bpftool: feature probing, change default action (diff) | |
| download | linux-dev-d9ff286a0f59fa7843549e49bd240393dd7d8b87.tar.xz linux-dev-d9ff286a0f59fa7843549e49bd240393dd7d8b87.zip | |
bpf: allow BPF programs access skb_shared_info->gso_segs field
This adds the ability to read gso_segs from a BPF program.
v3: Use BPF_REG_AX instead of BPF_REG_TMP for the temporary register,
as suggested by Martin.
v2: refined Eddie Hao patch to address Alexei feedback.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Eddie Hao <eddieh@google.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'tools/include')
| -rw-r--r-- | tools/include/uapi/linux/bpf.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index 91c43884f295..2940a9854f6d 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -2540,6 +2540,7 @@ struct __sk_buff { __bpf_md_ptr(struct bpf_flow_keys *, flow_keys); __u64 tstamp; __u32 wire_len; + __u32 gso_segs; }; struct bpf_tunnel_key { |