Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

REALLY only update the window when we get an ACK. (the old code seemed broken)

Browse Source
This commit is contained in:
explorer 1999-02-04 22:58:37 +00:00
parent 67b7e0e590
commit 25d32ef34d
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sys/netinet/tcp_input.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: tcp_input.c,v 1.75 1999/01/24 01:19:28 thorpej Exp $ */ /* $NetBSD: tcp_input.c,v 1.76 1999/02/04 22:58:37 explorer Exp $ */
/*- /*-
* Copyright (c) 1997, 1998, 1999 The NetBSD Foundation, Inc. * Copyright (c) 1997, 1998, 1999 The NetBSD Foundation, Inc.
@ -1379,9 +1379,9 @@ step6:
* Update window information. * Update window information.
* Don't look at window if no ACK: TAC's send garbage on first SYN. * Don't look at window if no ACK: TAC's send garbage on first SYN.
*/ */
if (((tiflags & TH_ACK) && SEQ_LT(tp->snd_wl1, ti->ti_seq)) || if ((tiflags & TH_ACK) && (SEQ_LT(tp->snd_wl1, ti->ti_seq) ||
(tp->snd_wl1 == ti->ti_seq && SEQ_LT(tp->snd_wl2, ti->ti_ack)) || (tp->snd_wl1 == ti->ti_seq && SEQ_LT(tp->snd_wl2, ti->ti_ack)) ||
(tp->snd_wl2 == ti->ti_ack && tiwin > tp->snd_wnd)) { (tp->snd_wl2 == ti->ti_ack && tiwin > tp->snd_wnd))) {
/* keep track of pure window updates */ /* keep track of pure window updates */
if (ti->ti_len == 0 && if (ti->ti_len == 0 &&
tp->snd_wl2 == ti->ti_ack && tiwin > tp->snd_wnd) tp->snd_wl2 == ti->ti_ack && tiwin > tp->snd_wnd)