2050 		if (rack->r_ctl.rack_rs.rs_flags != RACK_RTT_EMPTY)  in rack_log_hybrid_bw()
2051 			log.u_bbr.inflight = rack->r_ctl.rack_rs.rs_us_rtt;  in rack_log_hybrid_bw()
2847 		log.u_bbr.flex4 = rack->r_ctl.rack_rs.rs_rtt_lowest;  in rack_log_rtt_upd()
2848 		log.u_bbr.flex5 = rack->r_ctl.rack_rs.rs_rtt_highest;  in rack_log_rtt_upd()
2849 		log.u_bbr.flex6 = rack->r_ctl.rack_rs.rs_us_rtrcnt;  in rack_log_rtt_upd()
2851 		log.u_bbr.rttProp = (uint64_t)rack->r_ctl.rack_rs.rs_rtt_tot;  in rack_log_rtt_upd()
2854 		log.u_bbr.delivered = rack->r_ctl.rack_rs.rs_us_rtrcnt;  in rack_log_rtt_upd()
2855 		log.u_bbr.pkts_out = rack->r_ctl.rack_rs.rs_flags;  in rack_log_rtt_upd()
2933 		log.u_bbr.delRate = rack->r_ctl.rack_rs.confidence;  in rack_log_rtt_sample()
2935 		log.u_bbr.delRate |= rack->r_ctl.rack_rs.rs_us_rtt;  in rack_log_rtt_sample()
8576 	if ((rack->r_ctl.rack_rs.rs_flags & RACK_RTT_EMPTY) ||  in tcp_rack_xmit_timer()
8577 	    (rack->r_ctl.rack_rs.rs_rtt_lowest > rtt)) {  in tcp_rack_xmit_timer()
8578 		rack->r_ctl.rack_rs.rs_rtt_lowest = rtt;  in tcp_rack_xmit_timer()
8580 	if ((rack->r_ctl.rack_rs.rs_flags & RACK_RTT_EMPTY) ||  in tcp_rack_xmit_timer()
8581 	    (rack->r_ctl.rack_rs.rs_rtt_highest < rtt)) {  in tcp_rack_xmit_timer()
8582 		rack->r_ctl.rack_rs.rs_rtt_highest = rtt;  in tcp_rack_xmit_timer()
8608 	if ((rack->r_ctl.rack_rs.rs_flags & RACK_RTT_EMPTY) ||  in tcp_rack_xmit_timer()
8609 	    (rack->r_ctl.rack_rs.rs_us_rtt > us_rtt)) {  in tcp_rack_xmit_timer()
8610 		if (rack->r_ctl.rack_rs.confidence == 0) {  in tcp_rack_xmit_timer()
8615 			rack->r_ctl.rack_rs.rs_us_rtt = us_rtt;  in tcp_rack_xmit_timer()
8616 			rack->r_ctl.rack_rs.confidence = confidence;  in tcp_rack_xmit_timer()
8617 			rack->r_ctl.rack_rs.rs_us_rtrcnt = rtrcnt;  in tcp_rack_xmit_timer()
8626 			rack->r_ctl.rack_rs.rs_us_rtt = us_rtt;  in tcp_rack_xmit_timer()
8627 			rack->r_ctl.rack_rs.confidence = confidence;  in tcp_rack_xmit_timer()
8628 			rack->r_ctl.rack_rs.rs_us_rtrcnt = rtrcnt;  in tcp_rack_xmit_timer()
8632 	rack->r_ctl.rack_rs.rs_flags = RACK_RTT_VALID;  in tcp_rack_xmit_timer()
8633 	rack->r_ctl.rack_rs.rs_rtt_tot += rtt;  in tcp_rack_xmit_timer()
8634 	rack->r_ctl.rack_rs.rs_rtt_cnt++;  in tcp_rack_xmit_timer()
8647 	if (rack->r_ctl.rack_rs.rs_flags & RACK_RTT_EMPTY)  in tcp_rack_xmit_timer_commit()
8652 		rtt = rack->r_ctl.rack_rs.rs_rtt_lowest;  in tcp_rack_xmit_timer_commit()
8655 		rtt = rack->r_ctl.rack_rs.rs_rtt_highest;  in tcp_rack_xmit_timer_commit()
8658 		rtt = (int32_t)(rack->r_ctl.rack_rs.rs_rtt_tot /  in tcp_rack_xmit_timer_commit()
8659 				(uint64_t)rack->r_ctl.rack_rs.rs_rtt_cnt);  in tcp_rack_xmit_timer_commit()
8673 		rack->r_ctl.rc_gp_srtt = rack->r_ctl.rack_rs.rs_us_rtt;  in tcp_rack_xmit_timer_commit()
8675 	} else if (rack->r_ctl.rack_rs.confidence) {  in tcp_rack_xmit_timer_commit()
8678 		rack->r_ctl.rc_gp_srtt += rack->r_ctl.rack_rs.rs_us_rtt / 8;  in tcp_rack_xmit_timer_commit()
8680 	if (rack->r_ctl.rack_rs.confidence) {  in tcp_rack_xmit_timer_commit()
8685 		if (rack->r_ctl.rc_highest_us_rtt < rack->r_ctl.rack_rs.rs_us_rtt) {  in tcp_rack_xmit_timer_commit()
8686 			rack->r_ctl.rc_highest_us_rtt = rack->r_ctl.rack_rs.rs_us_rtt;  in tcp_rack_xmit_timer_commit()
8695 				rack_log_rtt_shrinks(rack, rack->r_ctl.rack_rs.rs_us_rtt,  in tcp_rack_xmit_timer_commit()
8703 	if ((rack->r_ctl.rack_rs.confidence) ||  in tcp_rack_xmit_timer_commit()
8704 	    (rack->r_ctl.rack_rs.rs_us_rtrcnt == 1)) {  in tcp_rack_xmit_timer_commit()
8709 		rack->r_ctl.rc_last_us_rtt = rack->r_ctl.rack_rs.rs_us_rtt;  in tcp_rack_xmit_timer_commit()
8711 		if (rack->r_ctl.rc_lowest_us_rtt > rack->r_ctl.rack_rs.rs_us_rtt) {  in tcp_rack_xmit_timer_commit()
8712 			rack->r_ctl.rc_lowest_us_rtt = rack->r_ctl.rack_rs.rs_us_rtt;  in tcp_rack_xmit_timer_commit()
8772 		ms_rtt = (rack->r_ctl.rack_rs.rs_us_rtt + HPTS_USEC_IN_MSEC - 1) / HPTS_USEC_IN_MSEC;  in tcp_rack_xmit_timer_commit()
8776 		stats_voi_update_abs_u32(tp->t_stats, VOI_TCP_RTT, imax(0, rack->r_ctl.rack_rs.rs_us_rtt));  in tcp_rack_xmit_timer_commit()
8778 	stats_voi_update_abs_u32(tp->t_stats, VOI_TCP_PATHRTT, imax(0, rack->r_ctl.rack_rs.rs_us_rtt));  in tcp_rack_xmit_timer_commit()
11146 		if ((rack->r_ctl.rack_rs.rs_flags & RACK_RTT_VALID) &&  in rack_check_bottom_drag()
13964 	rack->r_ctl.rack_rs.rs_flags = RACK_RTT_EMPTY;  in rack_clear_rate_sample()
13965 	rack->r_ctl.rack_rs.rs_rtt_cnt = 0;  in rack_clear_rate_sample()
13966 	rack->r_ctl.rack_rs.rs_rtt_tot = 0;  in rack_clear_rate_sample()