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tcp_reno_newack: regardless of sysctl setting, use L=1*SMSS when 

we are doing retransmission.
This commit is contained in:
yamt 2006-10-19 11:42:02 +00:00
parent 81463c93c7
commit df8e5bddfa
1 changed files with 4 additions and 3 deletions
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7
sys/netinet/tcp_congctl.c
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@ -1,4 +1,4 @@
/* $NetBSD: tcp_congctl.c,v 1.8 2006/10/19 11:40:51 yamt Exp $ */
/* $NetBSD: tcp_congctl.c,v 1.9 2006/10/19 11:42:02 yamt Exp $ */
/*-
* Copyright (c) 1997, 1998, 1999, 2001, 2005, 2006 The NetBSD Foundation, Inc.
@ -142,7 +142,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: tcp_congctl.c,v 1.8 2006/10/19 11:40:51 yamt Exp $");
__KERNEL_RCSID(0, "$NetBSD: tcp_congctl.c,v 1.9 2006/10/19 11:42:02 yamt Exp $");
#include "opt_inet.h"
#include "opt_tcp_debug.h"
@ -552,7 +552,8 @@ tcp_reno_newack(struct tcpcb *tp, struct tcphdr *th __unused)
*/
u_int abc_lim;
abc_lim = (tcp_abc_aggressive == 0) ? incr : incr * 2;
abc_lim = (tcp_abc_aggressive == 0 ||
tp->snd_nxt != tp->snd_max) ? incr : incr * 2;
incr = min(acked, abc_lim);
}
} else {