1371 	bad_rexmt_win = (tp->t_srtt >> (TCP_RTT_SHIFT + 1));  in tcp_detect_bad_rexmt()
5929 	int old_srtt = tp->t_srtt;  in tcp_xmit_timer()
5964 			tp->t_srtt = max(tp->t_srtt_prev, rtt);  in tcp_xmit_timer()
5965 			tp->t_srtt = tp->t_srtt << TCP_RTT_SHIFT;  in tcp_xmit_timer()
5969 			if (tp->t_rttbest > (tp->t_srtt + tp->t_rttvar)) {  in tcp_xmit_timer()
5970 				tp->t_rttbest = tp->t_srtt + tp->t_rttvar;  in tcp_xmit_timer()
5985 	if (tp->t_srtt != 0) {  in tcp_xmit_timer()
6000 		    - (tp->t_srtt >> (TCP_RTT_SHIFT - TCP_DELTA_SHIFT));  in tcp_xmit_timer()
6002 		if ((tp->t_srtt += delta) <= 0) {  in tcp_xmit_timer()
6003 			tp->t_srtt = 1;  in tcp_xmit_timer()
6024 		    tp->t_rttbest > (tp->t_srtt + tp->t_rttvar)) {  in tcp_xmit_timer()
6025 			tp->t_rttbest = tp->t_srtt + tp->t_rttvar;  in tcp_xmit_timer()
6033 		tp->t_srtt = rtt << TCP_RTT_SHIFT;  in tcp_xmit_timer()
6035 		tp->t_rttbest = tp->t_srtt + tp->t_rttvar;  in tcp_xmit_timer()
6039 			tp->rcv_srtt = tp->t_srtt;  in tcp_xmit_timer()
6044 	nstat_route_rtt(tp->t_inpcb->inp_route.ro_rt, tp->t_srtt,  in tcp_xmit_timer()
6259 	if (tp->t_srtt == 0 && (rtt = rt->rt_rmx.rmx_rtt) != 0) {  in tcp_mss()