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If we're in SYN-SENT or SYN-RECEIVED state, don't reset the keepalive 

timer until we transition to ESTABLISHED state.  Suggested by TCP/IP
vol 3.
This commit is contained in:
mycroft 1996-09-10 23:26:05 +00:00
parent fc7d845dfa
commit da2cd7eb82
1 changed files with 5 additions and 2 deletions
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7
sys/netinet/tcp_input.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: tcp_input.c,v 1.24 1996/09/09 14:51:20 mycroft Exp $ */
/* $NetBSD: tcp_input.c,v 1.25 1996/09/10 23:26:05 mycroft Exp $ */
/*
* Copyright (c) 1982, 1986, 1988, 1990, 1993, 1994
@ -423,7 +423,8 @@ findpcb:
* Reset idle time and keep-alive timer.
*/
tp->t_idle = 0;
tp->t_timer[TCPT_KEEP] = tcp_keepidle;
if (TCPS_HAVEESTABLISHED(tp->t_state))
tp->t_timer[TCPT_KEEP] = tcp_keepidle;
/*
* Process options if not in LISTEN state,
@ -667,6 +668,7 @@ findpcb:
tcpstat.tcps_connects++;
soisconnected(so);
tp->t_state = TCPS_ESTABLISHED;
tp->t_timer[TCPT_KEEP] = tcp_keepidle;
/* Do window scaling on this connection? */
if ((tp->t_flags & (TF_RCVD_SCALE|TF_REQ_SCALE)) ==
(TF_RCVD_SCALE|TF_REQ_SCALE)) {
@ -910,6 +912,7 @@ trimthenstep6:
tcpstat.tcps_connects++;
soisconnected(so);
tp->t_state = TCPS_ESTABLISHED;
tp->t_timer[TCPT_KEEP] = tcp_keepidle;
/* Do window scaling? */
if ((tp->t_flags & (TF_RCVD_SCALE|TF_REQ_SCALE)) ==
(TF_RCVD_SCALE|TF_REQ_SCALE)) {