138 	    (tp->snd_nxt != tp->snd_una))       /* not a retransmit */  in tcp_output()
170 	    SEQ_LT(tp->snd_nxt, tp->snd_max))  in tcp_output()
175 	off = tp->snd_nxt - tp->snd_una;  in tcp_output()
324 					(tp->snd_nxt - tp->sack_newdata) -  in tcp_output()
338 	if ((flags & TH_SYN) && SEQ_GT(tp->snd_nxt, tp->snd_una)) {  in tcp_output()
410 			tp->snd_nxt = tp->snd_una;  in tcp_output()
480 		if (SEQ_LT(tp->snd_nxt + len, tp->snd_una +  in tcp_output()
531 		if (SEQ_LT(tp->snd_nxt, tp->snd_max))	/* retransmit case */  in tcp_output()
647 	    ((tp->t_flags & TF_SENTFIN) == 0 || tp->snd_nxt == tp->snd_una))  in tcp_output()
733 			tp->snd_nxt = tp->iss;  in tcp_output()
871 		else if (SEQ_LT(tp->snd_nxt, tp->snd_max) || sack_rxmit) {  in tcp_output()
1034 	    tp->snd_nxt == tp->snd_max)  in tcp_output()
1035 		tp->snd_nxt--;  in tcp_output()
1069 		if (len > 0 && SEQ_GEQ(tp->snd_nxt, tp->snd_max) &&  in tcp_output()
1106 			th->th_seq = htonl(tp->snd_nxt);  in tcp_output()
1170 	if (SEQ_GT(tp->snd_up, tp->snd_nxt)) {  in tcp_output()
1171 		th->th_urp = htons((uint16_t)(tp->snd_up - tp->snd_nxt));  in tcp_output()
1224 		tcp_seq startseq = tp->snd_nxt;  in tcp_output()
1231 				tp->snd_nxt++;  in tcp_output()
1233 				tp->snd_nxt++;  in tcp_output()
1239 		tp->snd_nxt += len;  in tcp_output()
1240 		if (SEQ_GT(tp->snd_nxt, tp->snd_max)) {  in tcp_output()
1241 			tp->snd_max = tp->snd_nxt;  in tcp_output()
1262 		    ((sack_rxmit && tp->snd_nxt != tp->snd_max) ||  in tcp_output()
1263 		     (tp->snd_nxt != tp->snd_una))) {  in tcp_output()
1310 		if (SEQ_GT(tp->snd_nxt + xlen, tp->snd_max))  in tcp_output()
1311 			tp->snd_max = tp->snd_nxt + len;  in tcp_output()
1339 				tp->snd_nxt -= len;  in tcp_output()