bsd/netinet/tcp_input.c

1206 		     th->th_seq, th->th_ack, th->th_win);
1321 		  th->th_seq, th->th_ack, th->th_win);
1430     	NTOHL(th->th_ack);
2255 			if (SEQ_GT(th->th_ack, tp->snd_una) &&
2256 			    SEQ_LEQ(th->th_ack, tp->snd_max) &&
2300 					SEQ_GT(th->th_ack, tp->t_rtseq)) {
2303 				acked = th->th_ack - tp->snd_una;
2322 				    SEQ_LEQ(th->th_ack, tp->snd_recover))
2323 					tp->snd_recover = th->th_ack - 1;
2324 				tp->snd_una = th->th_ack;
2328 				 * to th_ack.
2330 				tp->snd_wl2 = th->th_ack;
2362 		} else if (th->th_ack == tp->snd_una &&
2436 			     		th->th_seq, th->th_ack, th->th_win);
2443 			     		th->th_seq, th->th_ack, th->th_win);
2606 		    (SEQ_LEQ(th->th_ack, tp->snd_una) ||
2607 		     SEQ_GT(th->th_ack, tp->snd_max))) {
2631 		    (SEQ_LEQ(th->th_ack, tp->iss) ||
2632 		     SEQ_GT(th->th_ack, tp->snd_max))) {
3185 	 *	tp->snd_una < th->th_ack <= tp->snd_max
3186 	 * then advance tp->snd_una to th->th_ack and drop
3197 		if (SEQ_GT(th->th_ack, tp->snd_max)) {
3203 			tcp_sack_doack(tp, &to, th->th_ack);
3204 		if (SEQ_LEQ(th->th_ack, tp->snd_una)) {
3232 				    th->th_ack != tp->snd_una)
3277 						if (SEQ_LEQ(th->th_ack,
3310 					tp->snd_nxt = th->th_ack;
3331 			if (SEQ_LT(th->th_ack, tp->snd_recover)) {
3382 		acked = th->th_ack - tp->snd_una;
3430 		} else if (tp->t_rtttime && SEQ_GT(th->th_ack, tp->t_rtseq)) {
3440 		if (th->th_ack == tp->snd_max) {
3459 				SEQ_GEQ(th->th_ack, tp->snd_recover)) {
3496 		    SEQ_LEQ(th->th_ack, tp->snd_recover))
3497 			tp->snd_recover = th->th_ack - 1;
3500 		    SEQ_GEQ(th->th_ack, tp->snd_recover))
3503 		tp->snd_una = th->th_ack;
3604 	    (tp->snd_wl1 == th->th_seq && (SEQ_LT(tp->snd_wl2, th->th_ack) ||
3605 	     (tp->snd_wl2 == th->th_ack && tiwin > tp->snd_wnd))))) {
3608 		    tp->snd_wl2 == th->th_ack && tiwin > tp->snd_wnd)
3612 		tp->snd_wl2 = th->th_ack;
3772 			     		th->th_seq, th->th_ack, th->th_win);
3779 			     		th->th_seq, th->th_ack, th->th_win);
3907 	    (SEQ_GT(tp->snd_una, th->th_ack) ||
3908 	     SEQ_GT(th->th_ack, tp->snd_max)) ) {
3968 		tcp_respond(tp, mtod(m, void *), th, m, (tcp_seq)0, th->th_ack,
4626  * By setting snd_nxt to th_ack, this forces retransmission timer to
4638 		tp->snd_nxt = th->th_ack;
4644 		tp->snd_cwnd = tp->t_maxseg + (th->th_ack - tp->snd_una);
4654 		if (tp->snd_cwnd > th->th_ack - tp->snd_una)
4655 			tp->snd_cwnd -= th->th_ack - tp->snd_una;