diff options
author | Eric Dumazet <edumazet@google.com> | 2017-02-02 08:04:56 -0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2017-02-03 11:19:34 -0500 |
commit | 3541f9e8bdebce02458882b66b638d7302c1f616 (patch) | |
tree | 1049ef01f68f197e66fa77f18768aaf6d219f8b1 /net/ipv4/tcp_ipv4.c | |
parent | ff3edc9b8efc8200c25f3a5adfb1c1de0a882dc5 (diff) | |
download | linux-3541f9e8bdebce02458882b66b638d7302c1f616.tar.bz2 |
tcp: add tcp_mss_clamp() helper
Small cleanup factorizing code doing the TCP_MAXSEG clamping.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r-- | net/ipv4/tcp_ipv4.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 8c9e9aa17d66..8c124d4ef4b7 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1324,10 +1324,7 @@ struct sock *tcp_v4_syn_recv_sock(const struct sock *sk, struct sk_buff *skb, tcp_ca_openreq_child(newsk, dst); tcp_sync_mss(newsk, dst_mtu(dst)); - newtp->advmss = dst_metric_advmss(dst); - if (tcp_sk(sk)->rx_opt.user_mss && - tcp_sk(sk)->rx_opt.user_mss < newtp->advmss) - newtp->advmss = tcp_sk(sk)->rx_opt.user_mss; + newtp->advmss = tcp_mss_clamp(tcp_sk(sk), dst_metric_advmss(dst)); tcp_initialize_rcv_mss(newsk); |