diff options
| author | Jonathan Lemon <jlemon@FreeBSD.org> | 2001-02-26 21:33:55 +0000 |
|---|---|---|
| committer | Jonathan Lemon <jlemon@FreeBSD.org> | 2001-02-26 21:33:55 +0000 |
| commit | 7d42e30c2ea9a5102e0d3ea858976d0338287f01 (patch) | |
| tree | 72a4914c60671c56f054cfc3d04e0d5fc3e519c3 /sys/netinet/tcp_timer.c | |
| parent | c693a045de10c4a8ac87237a8cd6abca5e501065 (diff) | |
Notes
Diffstat (limited to 'sys/netinet/tcp_timer.c')
| -rw-r--r-- | sys/netinet/tcp_timer.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/netinet/tcp_timer.c b/sys/netinet/tcp_timer.c index 18686aa6a8cd..094729593543 100644 --- a/sys/netinet/tcp_timer.c +++ b/sys/netinet/tcp_timer.c @@ -153,6 +153,9 @@ tcp_canceltimers(tp) callout_stop(tp->tt_rexmt); } +int tcp_syn_backoff[TCP_MAXRXTSHIFT + 1] = + { 1, 1, 1, 1, 1, 2, 4, 8, 16, 32, 64, 64, 64 }; + int tcp_backoff[TCP_MAXRXTSHIFT + 1] = { 1, 2, 4, 8, 16, 32, 64, 64, 64, 64, 64, 64, 64 }; @@ -393,7 +396,10 @@ tcp_timer_rexmt(xtp) tp->t_badrxtwin = ticks + (tp->t_srtt >> (TCP_RTT_SHIFT + 1)); } tcpstat.tcps_rexmttimeo++; - rexmt = TCP_REXMTVAL(tp) * tcp_backoff[tp->t_rxtshift]; + if (tp->t_state == TCPS_SYN_SENT) + rexmt = TCP_REXMTVAL(tp) * tcp_syn_backoff[tp->t_rxtshift]; + else + rexmt = TCP_REXMTVAL(tp) * tcp_backoff[tp->t_rxtshift]; TCPT_RANGESET(tp->t_rxtcur, rexmt, tp->t_rttmin, TCPTV_REXMTMAX); /* |