565 	if (th->th_seq != tp->rcv_nxt) {  in tcp_reass()
598 	if (th->th_seq != tp->rcv_nxt &&  in tcp_reass()
621 		if (SEQ_GT(q->tqe_th->th_seq, th->th_seq)) {  in tcp_reass()
635 		i = p->tqe_th->th_seq + p->tqe_len - th->th_seq;  in tcp_reass()
642 				tp->t_dsack_lseq = th->th_seq;  in tcp_reass()
643 				tp->t_dsack_rseq = th->th_seq +  in tcp_reass()
678 			th->th_seq += i;  in tcp_reass()
682 	if (th->th_seq != tp->rcv_nxt) {  in tcp_reass()
704 		int i = (th->th_seq + *tlenp) - q->tqe_th->th_seq;  in tcp_reass()
717 				tp->t_dsack_lseq = q->tqe_th->th_seq;  in tcp_reass()
731 			q->tqe_th->th_seq += i;  in tcp_reass()
763 	if (!q || q->tqe_th->th_seq != tp->rcv_nxt) {  in tcp_reass()
806 	} while (q && q->tqe_th->th_seq == tp->rcv_nxt);  in tcp_reass()
1620 		if (th->th_seq == tp->rcv_nxt) {  in tcp_tfo_rcv_ack()
1623 		} else if (SEQ_GT(th->th_seq, tp->rcv_nxt)) {  in tcp_tfo_rcv_ack()
1641 	    (SEQ_LT(tp->snd_wl1, th->th_seq) ||  in tcp_update_window()
1642 	    (tp->snd_wl1 == th->th_seq && (SEQ_LT(tp->snd_wl2, th->th_ack) ||  in tcp_update_window()
1650 		tp->snd_wl1 = th->th_seq;  in tcp_update_window()
1693 	if (tcp_hdr->th_seq != tp->irs) {  in tcp_syn_data_valid()
2672 		tp->irs = tpi->th->th_seq;  in tcp_setup_server_socket()
2849 		    th->th_seq, th->th_ack, th->th_win);  in tcp_input()
2908 		    th->th_seq, th->th_ack, th->th_win);  in tcp_input()
3010 	NTOHL(th->th_seq);  in tcp_input()
3307 			tpi.irs = th->th_seq - 1;  in tcp_input()
3500 		    th->th_seq, th->th_ack, tlen, thflags,  in tcp_input()
3546 		    SEQ_GEQ(th->th_seq, tp->last_ack_sent) &&  in tcp_input()
3547 		    SEQ_LT(th->th_seq, tp->last_ack_sent + tp->rcv_wnd))) {  in tcp_input()
3552 		if (th->th_seq == tp->iss + 1 && ace == 0) {  in tcp_input()
3568 		    SEQ_GEQ(th->th_seq, tp->last_ack_sent) &&  in tcp_input()
3569 		    SEQ_LT(th->th_seq, tp->last_ack_sent + tp->rcv_wnd)) {  in tcp_input()
3665 	    th->th_seq == tp->rcv_nxt && LIST_EMPTY(&tp->t_segq)) {  in tcp_input()
3736 	    th->th_seq == tp->rcv_nxt &&  in tcp_input()
3746 		    SEQ_LEQ(th->th_seq, tp->last_ack_sent)) {  in tcp_input()
3939 			tp->snd_wl1 = th->th_seq;  in tcp_input()
3989 				    th->th_seq, th->th_ack, th->th_win);  in tcp_input()
3993 				    th->th_seq, th->th_ack, th->th_win);  in tcp_input()
4105 		    (tp->irs == th->th_seq) &&  in tcp_input()
4170 		tp->irs = th->th_seq;  in tcp_input()
4343 		th->th_seq++;  in tcp_input()
4352 		tp->snd_wl1 = th->th_seq - 1;  in tcp_input()
4353 		tp->rcv_up = th->th_seq;  in tcp_input()
4478 		if ((SEQ_GEQ(th->th_seq, tp->last_ack_sent) &&  in tcp_input()
4479 		    SEQ_LT(th->th_seq, tp->last_ack_sent + tp->rcv_wnd)) ||  in tcp_input()
4481 		    ((tp->last_ack_sent == th->th_seq) ||  in tcp_input()
4482 		    (tp->last_ack_sent - 1 == th->th_seq)))) {  in tcp_input()
4483 			if (tp->last_ack_sent == th->th_seq || tp->last_ack_sent - 1 == th->th_seq) {  in tcp_input()
4588 	if (tp->t_state == TCPS_SYN_RECEIVED && SEQ_LT(th->th_seq, tp->irs)) {  in tcp_input()
4606 		bool higher_seq = SEQ_GT(th->th_seq, tp->rcv_nxt);  in tcp_input()
4623 	todrop = tp->rcv_nxt - th->th_seq;  in tcp_input()
4630 			th->th_seq++;  in tcp_input()
4686 			tp->t_dsack_lseq = th->th_seq;  in tcp_input()
4687 			tp->t_dsack_rseq = th->th_seq + todrop;  in tcp_input()
4697 		th->th_seq += todrop;  in tcp_input()
4754 	todrop = (th->th_seq + tlen) - (tp->rcv_nxt + tp->rcv_wnd);  in tcp_input()
4766 			if (tp->rcv_wnd == 0 && th->th_seq == tp->rcv_nxt) {  in tcp_input()
4799 	    SEQ_LEQ(th->th_seq, tp->last_ack_sent) &&  in tcp_input()
4800 	    SEQ_LEQ(tp->last_ack_sent, th->th_seq + tlen +  in tcp_input()
4834 			th->th_seq++;  in tcp_input()
4947 		tp->snd_wl1 = th->th_seq - 1;  in tcp_input()
5902 		if (SEQ_GT(th->th_seq + th->th_urp, tp->rcv_up)) {  in tcp_input()
5903 			tp->rcv_up = th->th_seq + th->th_urp;  in tcp_input()
5974 		tcp_seq save_start = th->th_seq;  in tcp_input()
5975 		tcp_seq save_end = th->th_seq + tlen;  in tcp_input()
5978 		if (th->th_seq == tp->rcv_nxt) {  in tcp_input()
6004 		if (th->th_seq == tp->rcv_nxt && LIST_EMPTY(&tp->t_segq)) {  in tcp_input()
6072 			if (SEQ_LT(tp->rcv_high, th->th_seq + tlen)) {  in tcp_input()
6073 				tp->rcv_high = th->th_seq + tlen;  in tcp_input()
6114 				    th->th_seq, th->th_ack, th->th_win);  in tcp_input()
6118 				    th->th_seq, th->th_ack, th->th_win);  in tcp_input()
6324 		tcp_respond(tp, mtod(m, void *), m->m_len, th, m, th->th_seq + tlen,  in tcp_input()
6360 		HTONL(th->th_seq);  in tcp_input()