1242 	bad_rexmt_win = (tp->t_srtt >> (TCP_RTT_SHIFT + 1));  in tcp_detect_bad_rexmt()
6841 	int old_srtt = tp->t_srtt;  in tcp_xmit_timer()
6890 			tp->t_srtt = max(tp->t_srtt_prev, rtt);  in tcp_xmit_timer()
6891 			tp->t_srtt = tp->t_srtt << TCP_RTT_SHIFT;  in tcp_xmit_timer()
6895 			if (tp->t_rttbest > (tp->t_srtt + tp->t_rttvar)) {  in tcp_xmit_timer()
6896 				tp->t_rttbest = tp->t_srtt + tp->t_rttvar;  in tcp_xmit_timer()
6911 	if (tp->t_srtt != 0) {  in tcp_xmit_timer()
6926 		    - (tp->t_srtt >> (TCP_RTT_SHIFT - TCP_DELTA_SHIFT));  in tcp_xmit_timer()
6928 		if ((tp->t_srtt += delta) <= 0) {  in tcp_xmit_timer()
6929 			tp->t_srtt = 1;  in tcp_xmit_timer()
6950 		    tp->t_rttbest > (tp->t_srtt + tp->t_rttvar)) {  in tcp_xmit_timer()
6951 			tp->t_rttbest = tp->t_srtt + tp->t_rttvar;  in tcp_xmit_timer()
6959 		tp->t_srtt = rtt << TCP_RTT_SHIFT;  in tcp_xmit_timer()
6961 		tp->t_rttbest = tp->t_srtt + tp->t_rttvar;  in tcp_xmit_timer()
6965 			tp->rcv_srtt = tp->t_srtt;  in tcp_xmit_timer()
6970 	nstat_route_rtt(tp->t_inpcb->inp_route.ro_rt, tp->t_srtt,  in tcp_xmit_timer()
7184 	if (tp->t_srtt == 0 && rt->rt_rmx.rmx_rtt != 0) {  in tcp_mss()