Page MenuHomeFreeBSD
Differential D8556 Diff 42257 head/sys/netinet/tcp_timer.c

Changeset View

Standalone View

View Options

head/sys/netinet/tcp_timer.c

Show First 20 Lines • Show All 687 Lines • ▼ Show 20 Lines if (tp->t_state == TCPS_SYN_SENT) {
if (IN_FASTRECOVERY(tp->t_flags)) if (IN_FASTRECOVERY(tp->t_flags))
tp->t_flags |= TF_WASFRECOVERY; tp->t_flags |= TF_WASFRECOVERY;
else else
tp->t_flags &= ~TF_WASFRECOVERY; tp->t_flags &= ~TF_WASFRECOVERY;
if (IN_CONGRECOVERY(tp->t_flags)) if (IN_CONGRECOVERY(tp->t_flags))
tp->t_flags |= TF_WASCRECOVERY; tp->t_flags |= TF_WASCRECOVERY;
else else
tp->t_flags &= ~TF_WASCRECOVERY; tp->t_flags &= ~TF_WASCRECOVERY;
if ((tp->t_flags & TF_RCVD_TSTMP) == 0)
tp->t_badrxtwin = ticks + (tp->t_srtt >> (TCP_RTT_SHIFT + 1)); tp->t_badrxtwin = ticks + (tp->t_srtt >> (TCP_RTT_SHIFT + 1));
/* In the event that we've negotiated timestamps
* badrxtwin will be set to the value that we set
* the retransmitted packet's to_tsval to by tcp_output
*/
tp->t_flags |= TF_PREVVALID; tp->t_flags |= TF_PREVVALID;
} else } else
tp->t_flags &= ~TF_PREVVALID; tp->t_flags &= ~TF_PREVVALID;
TCPSTAT_INC(tcps_rexmttimeo); TCPSTAT_INC(tcps_rexmttimeo);
if ((tp->t_state == TCPS_SYN_SENT) || if ((tp->t_state == TCPS_SYN_SENT) ||
(tp->t_state == TCPS_SYN_RECEIVED)) (tp->t_state == TCPS_SYN_RECEIVED))
rexmt = TCPTV_RTOBASE * tcp_syn_backoff[tp->t_rxtshift]; rexmt = TCPTV_RTOBASE * tcp_syn_backoff[tp->t_rxtshift];
else else
▲ Show 20 Lines • Show All 284 Lines • Show Last 20 Lines