diff options
Diffstat (limited to 'sys/netinet/tcp_input.c')
| -rw-r--r-- | sys/netinet/tcp_input.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sys/netinet/tcp_input.c b/sys/netinet/tcp_input.c index 4e444260b28..f0470d8c8af 100644 --- a/sys/netinet/tcp_input.c +++ b/sys/netinet/tcp_input.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tcp_input.c,v 1.174 2004/06/20 18:16:50 itojun Exp $ */ +/* $OpenBSD: tcp_input.c,v 1.175 2004/07/16 09:26:07 markus Exp $ */ /* $NetBSD: tcp_input.c,v 1.23 1996/02/13 23:43:44 christos Exp $ */ /* @@ -1203,6 +1203,15 @@ after_listen: */ if (tp->t_rtttime) tcp_xmit_timer(tp, tcp_now - tp->t_rtttime); + /* + * Since new data was acked (the SYN), open the + * congestion window by one MSS. We do this + * here, because we won't go through the normal + * ACK processing below. And since this is the + * start of the connection, we know we are in + * the exponential phase of slow-start. + */ + tp->snd_cwnd += tp->t_maxseg; } else tp->t_state = TCPS_SYN_RECEIVED; |