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PR 13952: Noritoshi Demizu: correct the TCP window information update check.

This commit is contained in:
rpaulo 2006-02-18 17:34:49 +00:00
parent 08fcaa05cf
commit ae6865ba83
1 changed files with 4 additions and 4 deletions
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8
sys/netinet/tcp_input.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: tcp_input.c,v 1.238 2006/02/02 05:52:23 riz Exp $ */
/* $NetBSD: tcp_input.c,v 1.239 2006/02/18 17:34:49 rpaulo Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@ -150,7 +150,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: tcp_input.c,v 1.238 2006/02/02 05:52:23 riz Exp $");
__KERNEL_RCSID(0, "$NetBSD: tcp_input.c,v 1.239 2006/02/18 17:34:49 rpaulo Exp $");
#include "opt_inet.h"
#include "opt_ipsec.h"
@ -2432,8 +2432,8 @@ step6:
* Don't look at window if no ACK: TAC's send garbage on first SYN.
*/
if ((tiflags & TH_ACK) && (SEQ_LT(tp->snd_wl1, th->th_seq) ||
(tp->snd_wl1 == th->th_seq && SEQ_LT(tp->snd_wl2, th->th_ack)) ||
(tp->snd_wl2 == th->th_ack && tiwin > tp->snd_wnd))) {
(tp->snd_wl1 == th->th_seq && (SEQ_LT(tp->snd_wl2, th->th_ack) ||
(tp->snd_wl2 == th->th_ack && tiwin > tp->snd_wnd))))) {
/* keep track of pure window updates */
if (tlen == 0 &&
tp->snd_wl2 == th->th_ack && tiwin > tp->snd_wnd)