Searched refs:rtt (Results 1 - 4 of 4) sorted by relevance

/xnu-2422.115.4/bsd/net/
H A Dntstat.h376 void nstat_route_rtt(struct rtentry *rte, u_int32_t rtt, u_int32_t rtt_var);
H A Dntstat.c686 u_int32_t rtt,
705 newrtt = rtt;
709 newrtt = oldrtt - (oldrtt - (int32_t)rtt) / factor;
718 if (oldrtt != 0 && oldrtt < (int32_t)rtt)
722 } while (!OSCompareAndSwap(oldrtt, rtt, &stats->nstat_min_rtt));
684 nstat_route_rtt( struct rtentry *rte, u_int32_t rtt, u_int32_t rtt_var) argument
/xnu-2422.115.4/bsd/netinet/
H A Dtcp_input.c228 &rtt_samples_per_slot, 0, "Number of RTT samples stored for rtt history");
391 static void update_base_rtt(struct tcpcb *tp, uint32_t rtt);
1064 * 1. the bandwidth measured in last rtt, is more
1068 * one forth of the bandwidth measured in last rtt, this
1146 * 1. if the rtt seen on the connection is climbing up, we do not
4465 update_base_rtt(struct tcpcb *tp, uint32_t rtt) argument
4488 tp->rtt_hist[0] = rtt;
4491 tp->rtt_hist[0] = min(tp->rtt_hist[0], rtt);
4527 tcp_xmit_timer(register struct tcpcb *tp, int rtt, argument
4544 tp->t_srtt = max(tp->t_srtt_prev, rtt);
4718 register int rtt, mss; local
[all...]
H A Dtcp_subr.c222 &tcp_TCPTV_MIN, 0, "min rtt value allowed");
878 * rtt estimate. Set rttvar so that srtt + 4 * rttvar gives
950 u_int32_t rtt = rt->rt_rmx.rmx_rtt; local
953 if (rtt != 0) {
959 tp->t_rttmin = rtt / (RTM_RTTUNIT / TCP_RETRANSHZ);
962 tp->t_srtt = rtt / (RTM_RTTUNIT / (TCP_RETRANSHZ * TCP_RTT_SCALE));
969 /* default variation is +- 1 rtt */
1042 * save the rtt and rttvar in the routing entry.
1046 * we could save a very bogus rtt.

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