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Searched refs:t_rttvar (Results 1 – 7 of 7) sorted by relevance

/freebsd/sys/netinet/
H A Dtcp_subr.c2326 tp->t_rttvar = ((tcp_rexmit_initial - TCPTV_SRTTBASE) << TCP_RTTVAR_SHIFT) / 4; in tcp_newtcpcb()
2508 metrics.hc_rttvar = tp->t_rttvar; in tcp_discardcb()
4227 if (tp->t_rttvar) { in tcp_change_time_units()
4230 val = tp->t_rttvar >> TCP_RTTVAR_SHIFT; in tcp_change_time_units()
4231 frac = tp->t_rttvar & 0x1f; in tcp_change_time_units()
4232 tp->t_rttvar = TICKS_2_USEC(val); in tcp_change_time_units()
4244 tp->t_rttvar += frac; in tcp_change_time_units()
4274 if (tp->t_rttvar) { in tcp_change_time_units()
4277 val = USEC_2_TICKS(tp->t_rttvar); in tcp_change_time_units()
4278 frac = tp->t_rttvar % (HPTS_USEC_IN_SEC / hz); in tcp_change_time_units()
[all …]
H A Dtcp_input.c380 tp->t_rttvar = metrics.hc_rttvar; in cc_conn_init()
384 tp->t_rttvar = in cc_conn_init()
388 ((tp->t_srtt >> 2) + tp->t_rttvar) >> 1, in cc_conn_init()
3728 delta -= tp->t_rttvar >> (TCP_RTTVAR_SHIFT - TCP_DELTA_SHIFT); in tcp_xmit_timer()
3729 if ((tp->t_rttvar += delta) <= 0) in tcp_xmit_timer()
3730 tp->t_rttvar = 1; in tcp_xmit_timer()
3738 tp->t_rttvar = rtt << (TCP_RTTVAR_SHIFT - 1); in tcp_xmit_timer()
H A Dtcp_var.h366 int t_rttvar; /* variance in round-trip time */ member
940 + (tp)->t_rttvar) >> TCP_DELTA_SHIFT)
H A Dtcp_usrreq.c1590 ti->tcpi_rttvar = ((u_int64_t)tp->t_rttvar * tick) >> TCP_RTTVAR_SHIFT; in tcp_fill_info()
3149 tp->t_rttvar, tp->t_rxtshift, tp->t_rttmin); in db_print_tcpcb()
H A Dtcp_output.c1758 int t = ((tp->t_srtt >> 2) + tp->t_rttvar) >> 1; in tcp_setpersist()
/freebsd/sys/netinet/tcp_stacks/
H A Dbbr.c545 var = ((uint64_t)TICKS_2_USEC(tp->t_rttvar) >> TCP_RTT_SHIFT); in bbr_get_persists_timer_val()
600 ((uint64_t)TICKS_2_USEC(tp->t_rttvar) * (uint64_t)4)) >> TCP_RTT_SHIFT); in bbr_timer_start()
2435 log.u_bbr.flex1 = bbr->rc_tp->t_rttvar; in bbr_log_timer_var()
5164 tp->t_rttvar += (tp->t_srtt >> TCP_RTT_SHIFT); in bbr_timeout_rxt()
6349 delta -= tp->t_rttvar >> (TCP_RTTVAR_SHIFT - TCP_DELTA_SHIFT); in tcp_bbr_xmit_timer_commit()
6350 tp->t_rttvar += delta; in tcp_bbr_xmit_timer_commit()
6351 if (tp->t_rttvar <= 0) in tcp_bbr_xmit_timer_commit()
6352 tp->t_rttvar = 1; in tcp_bbr_xmit_timer_commit()
6360 tp->t_rttvar = rtt_ticks << (TCP_RTTVAR_SHIFT - 1); in tcp_bbr_xmit_timer_commit()
10152 ((tp->t_srtt >> 2) + tp->t_rttvar) >> 1, in bbr_init()
H A Drack.c431 #define RACK_REXMTVAL(tp) max(rack_rto_min, ((tp)->t_srtt + ((tp)->t_rttvar << 2)))
6131 t = (tp->t_srtt + (tp->t_rttvar << 2)); in rack_get_persists_timer_val()
7789 rexmt = max(rack_rto_min, (tp->t_srtt + (tp->t_rttvar << 2))) * tcp_backoff[tp->t_rxtshift]; in rack_timeout_rxt()
7924 tp->t_rttvar += tp->t_srtt; in rack_timeout_rxt()
8738 tp->t_rttvar -= (tp->t_rttvar >> 3); in tcp_rack_xmit_timer_commit()
8740 tp->t_rttvar += (delta >> 3); in tcp_rack_xmit_timer_commit()
8741 if (tp->t_rttvar <= 0) in tcp_rack_xmit_timer_commit()
8742 tp->t_rttvar = 1; in tcp_rack_xmit_timer_commit()
8750 tp->t_rttvar = rtt >> 1; in tcp_rack_xmit_timer_commit()
24371 ti->tcpi_rttvar = tp->t_rttvar; in rack_fill_info()