diff options
| author | Joe Stringer <joe@wand.net.nz> | 2018-11-30 15:32:21 -0800 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2018-11-30 17:17:38 -0800 |
| commit | d74286d2c25ad29dbf9e342955dd8dc31f21653b (patch) | |
| tree | c641d86432422be9a288d2f4733986aa6ba1f0bc /include | |
| parent | f71c6143c2038df1cb43a4b9c90740d14f77467c (diff) | |
bpf: Improve socket lookup reuseport documentation
Improve the wording around socket lookup for reuseport sockets, and
ensure that both bpf.h headers are in sync.
Signed-off-by: Joe Stringer <joe@wand.net.nz>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/linux/bpf.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index cba518c57229..72c453a8bf50 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -2203,6 +2203,8 @@ union bpf_attr { * **CONFIG_NET** configuration option. * Return * Pointer to *struct bpf_sock*, or NULL in case of failure. + * For sockets with reuseport option, the *struct bpf_sock* + * result is from reuse->socks[] using the hash of the tuple. * * struct bpf_sock *bpf_sk_lookup_udp(void *ctx, struct bpf_sock_tuple *tuple, u32 tuple_size, u64 netns, u64 flags) * Description @@ -2237,6 +2239,8 @@ union bpf_attr { * **CONFIG_NET** configuration option. * Return * Pointer to *struct bpf_sock*, or NULL in case of failure. + * For sockets with reuseport option, the *struct bpf_sock* + * result is from reuse->socks[] using the hash of the tuple. * * int bpf_sk_release(struct bpf_sock *sk) * Description |