Lines Matching defs:rtt
2125 * use its rtt as our initial srtt & rtt var.
2538 * Since we now have an rtt measurement, cancel the
3294 * rtt is in units of slow ticks (typically 500 ms) -- essentially the
3298 tcp_xmit_timer(struct tcpcb *tp, uint32_t rtt)
3312 delta = (rtt << 2) - (tp->t_srtt >> TCP_RTT_SHIFT);
3354 * when the rtt estimator is fixed and the rtt_enable code
3365 * set rtt=R and srtt=R/2.
3371 tp->t_srtt = rtt << (TCP_RTT_SHIFT + 2);
3372 tp->t_rttvar = rtt << (TCP_RTTVAR_SHIFT + 2 - 1);
3378 * the retransmit should happen at rtt + 4 * rttvar.
3389 uimax(tp->t_rttmin, rtt + 2), TCPTV_REXMTMAX);