bsd/netinet/tcp_input.c

614 	if ((tp->t_flags & TF_STRETCHACK) != 0)
1183 	if ((tp->t_flags & (TF_REQ_TSTMP | TF_RCVD_TSTMP)) !=
1231 	tp->t_flags &= ~(TF_STRETCHACK);
1295 		if (tp->t_flags & TF_WASFRECOVERY)
2071 			tp->t_flags |= tp0->t_flags & (TF_NOPUSH|TF_NOOPT|TF_NODELAY);
2103 			tp->t_flags |= TF_STRETCHACK;
2107 			tp->t_flags &= ~(TF_STRETCHACK);
2205 			tp->t_flags |= TF_RCVD_TSTMP;
2215 				tp->t_flags |= TF_SACK_PERMIT;
2231 	    ((tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN)) == 0) &&
2304 	    ((tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN)) == 0) &&
2326 			tp->t_flags |= TF_ACKNOW;
2416 				if ((so->so_snd.sb_cc) || (tp->t_flags & TF_ACKNOW)) {
2490 			if ((tp->t_flags & TF_STRETCHACK) &&
2526 				if ((tp->t_flags & TF_DELACK) == 0) {
2527 			    		tp->t_flags |= TF_DELACK;
2531 				tp->t_flags |= TF_ACKNOW;
2555 		if (tp->t_flags & TF_SLOWLINK && slowlink_wsize > 0)
2645 				tp->t_flags |= TF_SACK_PERMIT;
2663 		tp->t_flags |= TF_ACKNOW;
2696 			tp->t_flags &= ~TF_REQ_SCALE;
2723 			tp->t_flags &= ~TF_RCVD_SCALE;
2780 			if ((tp->t_flags & (TF_RCVD_SCALE|TF_REQ_SCALE)) ==
2793 				if ((tp->t_flags & TF_DELACK) == 0) {
2794 					tp->t_flags |= TF_DELACK;
2799 				tp->t_flags |= TF_ACKNOW;
2809 			if (tp->t_flags & TF_NEEDFIN) {
2813 				tp->t_flags &= ~TF_NEEDFIN;
2844 			tp->t_flags |= TF_ACKNOW;
3094 			tp->t_flags |= TF_ACKNOW;
3173 				tp->t_flags |= TF_ACKNOW;
3229 		    (tp->t_flags & TF_NEEDSYN))
3231 		else if (tp->t_flags & TF_ACKNOW)
3253 		if ((tp->t_flags & (TF_RCVD_SCALE|TF_REQ_SCALE)) ==
3267 		if (tp->t_flags & TF_NEEDFIN) {
3271 			tp->t_flags &= ~TF_NEEDFIN;
3378 					(tp->t_flags & TF_SENTFIN) &&
3654 		if (tp->t_flags & TF_NEEDSYN) {
3662 			tp->t_flags &= ~TF_NEEDSYN;
3665 			if ((tp->t_flags & (TF_RCVD_SCALE|TF_REQ_SCALE)) ==
3823 			tp->t_flags |= TF_ACKNOW;
3844 			tp->t_flags |= TF_ACKNOW;
4029 			if ((tp->t_flags & TF_STRETCHACK) &&
4034 				((tp->t_flags & TF_ACKNOW) == 0) ) {
4035 				if ((tp->t_flags & TF_DELACK) == 0) {
4036 					tp->t_flags |= TF_DELACK;
4042 				tp->t_flags |= TF_ACKNOW;
4066 			tp->t_flags |= TF_ACKNOW;
4074 		if (tp->t_flags & TF_DELACK)
4112 			if (DELAY_ACK(tp, th) && (tp->t_flags & TF_NEEDSYN)) {
4113 				if ((tp->t_flags & TF_DELACK) == 0) {
4114 					tp->t_flags |= TF_DELACK;
4119 				tp->t_flags |= TF_ACKNOW;
4162 				tp->t_flags |= TF_ACKNOW;
4186 	if (needoutput || (tp->t_flags & TF_ACKNOW)) {
4226 	tp->t_flags |= TF_ACKNOW;
4362 			tp->t_flags |= TF_RCVD_SCALE;
4381 				tp->t_flags |= TF_RCVD_TSTMP;
4749 	isnetlocal = (tp->t_flags & TF_LOCAL);
4768 		tp->t_flags |= TF_SLOWLINK;
4848 	if ((tp->t_flags & (TF_REQ_TSTMP|TF_NOOPT)) == TF_REQ_TSTMP &&
4850 	     (tp->t_flags & TF_RCVD_TSTMP) == TF_RCVD_TSTMP))
4971 		tp->t_flags |= TF_SLOWLINK;
5006 		tp->t_flags |= TF_ACKNOW;