diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2022-03-23 20:52:56 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-03-23 20:53:49 +0300 |
| commit | 89695196f0ba78a17453f9616355f2ca6b293402 (patch) | |
| tree | 7a0f44d06e5b83002899667841baa9a3598bf819 /net/ipv4/tcp_output.c | |
| parent | 764f4eb6846f5475f1244767d24d25dd86528a4a (diff) | |
| parent | f92fcb5c00dc924a4661d5bf68de7937040f26b8 (diff) | |
| download | linux-89695196f0ba78a17453f9616355f2ca6b293402.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Merge in overtime fixes, no conflicts.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv4/tcp_output.c')
| -rw-r--r-- | net/ipv4/tcp_output.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 81aaa7da3e8c..9ede847f4199 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -3730,6 +3730,7 @@ static void tcp_connect_queue_skb(struct sock *sk, struct sk_buff *skb) */ static int tcp_send_syn_data(struct sock *sk, struct sk_buff *syn) { + struct inet_connection_sock *icsk = inet_csk(sk); struct tcp_sock *tp = tcp_sk(sk); struct tcp_fastopen_request *fo = tp->fastopen_req; int space, err = 0; @@ -3744,8 +3745,10 @@ static int tcp_send_syn_data(struct sock *sk, struct sk_buff *syn) * private TCP options. The cost is reduced data space in SYN :( */ tp->rx_opt.mss_clamp = tcp_mss_clamp(tp, tp->rx_opt.mss_clamp); + /* Sync mss_cache after updating the mss_clamp */ + tcp_sync_mss(sk, icsk->icsk_pmtu_cookie); - space = __tcp_mtu_to_mss(sk, inet_csk(sk)->icsk_pmtu_cookie) - + space = __tcp_mtu_to_mss(sk, icsk->icsk_pmtu_cookie) - MAX_TCP_OPTION_SPACE; space = min_t(size_t, space, fo->size); |