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| author |   Cong Wang <cong.wang@bytedance.com> | 2021-03-30 19:32:35 -0700 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2021-04-01 10:56:14 -0700 |
| commit | 122e6c79efe1c25816118aca9cfabe54e99c2432 (patch) | |
| tree | 2d50fcd9ed58ad416e631f573c357ad1480264e9 /net/core/sock_map.c | |
| parent | udp: Implement udp_bpf_recvmsg() for sockmap (diff) | |
| download | linux-dev-122e6c79efe1c25816118aca9cfabe54e99c2432.tar.xz linux-dev-122e6c79efe1c25816118aca9cfabe54e99c2432.zip | |
sock_map: Update sock type checks for UDP
Now UDP supports sockmap and redirection, we can safely update
the sock type checks for it accordingly.
Signed-off-by: Cong Wang <cong.wang@bytedance.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20210331023237.41094-15-xiyou.wangcong@gmail.com
Diffstat (limited to 'net/core/sock_map.c')
| -rw-r--r-- | net/core/sock_map.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/core/sock_map.c b/net/core/sock_map.c index 2915c7c8778b..3d190d22b0d8 100644 --- a/net/core/sock_map.c +++ b/net/core/sock_map.c @@ -535,7 +535,10 @@ static bool sk_is_udp(const struct sock *sk) static bool sock_map_redirect_allowed(const struct sock *sk) { - return sk_is_tcp(sk) && sk->sk_state != TCP_LISTEN; + if (sk_is_tcp(sk)) + return sk->sk_state != TCP_LISTEN; + else + return sk->sk_state == TCP_ESTABLISHED; } static bool sock_map_sk_is_suitable(const struct sock *sk) |