diff options
| author | Florian Westphal <fw@strlen.de> | 2020-07-30 21:25:55 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-07-31 16:55:32 -0700 |
| commit | 6fc8c827dd4fa615965c4eac9bbfd465f6eb8fb4 (patch) | |
| tree | f80652d4e2f503448acd4b507f4372b83b1312ea /net/ipv6/syncookies.c | |
| parent | c83a47e50d8fd3825a4758158e9edd5acdc74185 (diff) | |
| download | linux-6fc8c827dd4fa615965c4eac9bbfd465f6eb8fb4.tar.bz2 | |
tcp: syncookies: create mptcp request socket for ACK cookies with MPTCP option
If SYN packet contains MP_CAPABLE option, keep it enabled.
Syncokie validation and cookie-based socket creation is changed to
instantiate an mptcp request sockets if the ACK contains an MPTCP
connection request.
Rather than extend both cookie_v4/6_check, add a common helper to create
the (mp)tcp request socket.
Suggested-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/syncookies.c')
| -rw-r--r-- | net/ipv6/syncookies.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c index 13235a012388..e796a64be308 100644 --- a/net/ipv6/syncookies.c +++ b/net/ipv6/syncookies.c @@ -170,7 +170,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb) goto out; ret = NULL; - req = inet_reqsk_alloc(&tcp6_request_sock_ops, sk, false); + req = cookie_tcp_reqsk_alloc(&tcp6_request_sock_ops, sk, skb); if (!req) goto out; @@ -178,9 +178,6 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb) treq = tcp_rsk(req); treq->tfo_listener = false; - if (IS_ENABLED(CONFIG_MPTCP)) - treq->is_mptcp = 0; - if (security_inet_conn_request(sk, skb, req)) goto out_free; |