diff options
author | Eric Dumazet <edumazet@google.com> | 2024-04-07 09:33:21 +0000 |
---|---|---|
committer | Paolo Abeni <pabeni@redhat.com> | 2024-04-09 11:47:40 +0200 |
commit | b9e810405880c99baafd550ada7043e86465396e (patch) | |
tree | 566cd8d08635f68c3445deb14a04d51e66a1e9cd /net/ipv4/tcp_ipv4.c | |
parent | 1c25fe9a044d5334153a3585754b26553f8287b9 (diff) |
tcp: propagate tcp_tw_isn via an extra parameter to ->route_req()
tcp_v6_init_req() reads TCP_SKB_CB(skb)->tcp_tw_isn to find
out if the request socket is created by a SYN hitting a TIMEWAIT socket.
This has been buggy for a decade, lets directly pass the information
from tcp_conn_request().
This is a preparatory patch to make the following one easier to review.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r-- | net/ipv4/tcp_ipv4.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 52963c3bb8ca..81e2f05c244d 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1666,7 +1666,8 @@ static void tcp_v4_init_req(struct request_sock *req, static struct dst_entry *tcp_v4_route_req(const struct sock *sk, struct sk_buff *skb, struct flowi *fl, - struct request_sock *req) + struct request_sock *req, + u32 tw_isn) { tcp_v4_init_req(req, sk, skb); |