845 		tp->last_ack_sent = tp->rcv_nxt;  in tcp_input()
1211 	    th->th_seq == tp->rcv_nxt &&  in tcp_do_segment()
1357 			tp->rcv_nxt += tlen;  in tcp_do_segment()
1367 			tp->rcv_up = tp->rcv_nxt;  in tcp_do_segment()
1475 	tp->rcv_wnd = imax(win, (int)(tp->rcv_adv - tp->rcv_nxt));  in tcp_do_segment()
1742 				tcp_respond(tp, tp->instance, ip6, th, tp->rcv_nxt, tp->snd_nxt, TH_ACK);  in tcp_do_segment()
1743 				tp->last_ack_sent = tp->rcv_nxt;  in tcp_do_segment()
1769 		tcp_respond(tp, tp->instance, ip6, th, tp->rcv_nxt, tp->snd_nxt, TH_ACK);  in tcp_do_segment()
1770 		tp->last_ack_sent = tp->rcv_nxt;  in tcp_do_segment()
1814 	todrop = tp->rcv_nxt - th->th_seq;  in tcp_do_segment()
1870 	todrop = (th->th_seq + tlen) - (tp->rcv_nxt + tp->rcv_wnd);  in tcp_do_segment()
1880 			if (tp->rcv_wnd == 0 && th->th_seq == tp->rcv_nxt) {  in tcp_do_segment()
2529 		if (SEQ_GT(tp->rcv_nxt, tp->rcv_up))  in tcp_do_segment()
2530 			tp->rcv_up = tp->rcv_nxt;  in tcp_do_segment()
2569 		if (th->th_seq == tp->rcv_nxt &&  in tcp_do_segment()
2577 			tp->rcv_nxt += tlen;  in tcp_do_segment()
2644 		if (SEQ_GT(tp->rcv_adv, tp->rcv_nxt))  in tcp_do_segment()
2645 			len = so->so_rcv.sb_hiwat - (tp->rcv_adv - tp->rcv_nxt);  in tcp_do_segment()
2673 			tp->rcv_nxt++;  in tcp_do_segment()