From 2a40cd162e71cf4da09245d7480e118b7035f34b Mon Sep 17 00:00:00 2001
From: markus <markus@openbsd.org>
Date: Thu, 29 Jan 2004 10:06:21 +0000
Subject: don't increase the cwnd on syn-ack; ok itojun@, deraadt@

---
 sys/netinet/tcp_input.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/sys/netinet/tcp_input.c b/sys/netinet/tcp_input.c
index 4a626b263cd..d297e956bc4 100644
--- a/sys/netinet/tcp_input.c
+++ b/sys/netinet/tcp_input.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: tcp_input.c,v 1.147 2004/01/22 14:38:28 markus Exp $	*/
+/*	$OpenBSD: tcp_input.c,v 1.148 2004/01/29 10:06:21 markus Exp $	*/
 /*	$NetBSD: tcp_input.c,v 1.23 1996/02/13 23:43:44 christos Exp $	*/
 
 /*
@@ -1226,15 +1226,6 @@ 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;
 
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