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Differential D18974 Diff 54142 head/sys/netinet/tcp_stacks/rack.c

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head/sys/netinet/tcp_stacks/rack.c

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tp->t_flags &= ~TF_WASCRECOVERY; tp->t_flags &= ~TF_WASCRECOVERY;
tp->t_badrxtwin = ticks + (tp->t_srtt >> (TCP_RTT_SHIFT + 1)); tp->t_badrxtwin = ticks + (tp->t_srtt >> (TCP_RTT_SHIFT + 1));
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 = MSEC_2_TICKS(RACK_INITIAL_RTO * tcp_syn_backoff[tp->t_rxtshift]); rexmt = MSEC_2_TICKS(RACK_INITIAL_RTO * tcp_backoff[tp->t_rxtshift]);
else else
rexmt = TCP_REXMTVAL(tp) * tcp_backoff[tp->t_rxtshift]; rexmt = TCP_REXMTVAL(tp) * tcp_backoff[tp->t_rxtshift];
TCPT_RANGESET(tp->t_rxtcur, rexmt, TCPT_RANGESET(tp->t_rxtcur, rexmt,
max(MSEC_2_TICKS(rack_rto_min), rexmt), max(MSEC_2_TICKS(rack_rto_min), rexmt),
MSEC_2_TICKS(rack_rto_max)); MSEC_2_TICKS(rack_rto_max));
/* /*
* We enter the path for PLMTUD if connection is established or, if * We enter the path for PLMTUD if connection is established or, if
* connection is FIN_WAIT_1 status, reason for the last is that if * connection is FIN_WAIT_1 status, reason for the last is that if
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