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sock_map: Update sock type checks for UDP

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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
This commit is contained in:
Cong Wang 2021-03-30 19:32:35 -07:00 committed by Alexei Starovoitov
parent 1f5be6b3b0
commit 122e6c79ef
1 changed files with 4 additions and 1 deletions
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5
net/core/sock_map.c
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@ -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)