bsd/netinet/tcp_output.c

313 	idle = (tp->t_flags & TF_LASTIDLE) || (tp->snd_max == tp->snd_una);
326 	tp->t_flags &= ~TF_LASTIDLE;
328 		if (tp->t_flags & TF_MORETOCOME) {
329 			tp->t_flags |= TF_LASTIDLE;
371 		tp->t_flags &= ~TF_TSO;
450 			tp->t_flags &= ~TF_PMTUD;
452 			tp->t_flags |= TF_PMTUD;
468 	if (tp->t_flags & TF_SLOWLINK && slowlink_wsize > 0)
540 	if (tp->t_flags & TF_NEEDFIN)
542 	if (tp->t_flags & TF_NEEDSYN)
662 				(tp->t_flags & TF_CLOSING)) {
663 				tp->t_flags &= ~TF_CLOSING;
679 	if ((flags & TH_SYN) && (tp->t_flags & TF_NOOPT)) {
777 		if ((tp->t_flags & TF_TSO) && tcp_do_tso &&
824 			tp->t_flags &= ~TF_MAXSEGSNT;
829 				tp->t_flags |= TF_MAXSEGSNT;
831 				tp->t_flags &= ~TF_MAXSEGSNT;
844 				tp->t_flags |= TF_MAXSEGSNT;
847 			if (!(tp->t_flags & TF_MORETOCOME) &&
848 			    (idle || tp->t_flags & TF_NODELAY || tp->t_flags & TF_MAXSEGSNT) &&
849 			    (tp->t_flags & TF_NOPUSH) == 0 &&
851 				tp->t_flags &= ~TF_MAXSEGSNT;
855 				tp->t_flags &= ~TF_MAXSEGSNT;
871 	if (recwin > 0 && !(tp->t_flags & TF_NEEDSYN)) {
889 			if ((tp->t_flags & TF_STRETCHACK) == 0 &&
899 			if ((tp->t_flags & TF_STRETCHACK) != 0 &&
900 				(tp->t_flags & TF_DELACK) == 0) {
901 				tp->t_flags |= TF_DELACK;
913 	if (tp->t_flags & TF_ACKNOW)
916 	    ((flags & TH_SYN) && (tp->t_flags & TF_NEEDSYN) == 0))
925 	    ((tp->t_flags & TF_SENTFIN) == 0 || tp->snd_nxt == tp->snd_una))
990 		(tp->t_flags & TF_CLOSING)) {
991 		tp->t_flags &= ~TF_CLOSING;
1017 		if ((tp->t_flags & TF_NOOPT) == 0) {
1026 			if ((tp->t_flags & TF_REQ_SCALE) &&
1028 			    (tp->t_flags & TF_RCVD_SCALE))) {
1127  	if ((tp->t_flags & (TF_REQ_TSTMP|TF_NOOPT)) == TF_REQ_TSTMP &&
1130 	     (tp->t_flags & TF_RCVD_TSTMP))) {
1144 	if (tp->sack_enable && ((tp->t_flags & TF_NOOPT) == 0)) {
1160 		    (!(flags & TH_ACK) || (tp->t_flags & TF_SACK_PERMIT))) {
1183 		    (tp->t_flags & TF_SACK_PERMIT) && tp->rcv_numsacks > 0 &&
1273 			} else if (tp->t_flags & TF_NEEDFIN)
1430 		if (tp->t_flags & TF_ACKNOW)
1488 	if (flags & TH_FIN && (tp->t_flags & TF_SENTFIN) &&
1530 	if (tp->t_flags & TF_SLOWLINK && slowlink_wsize > 0) {
1562 		tp->t_flags |= TF_RXWIN0SENT;
1564 		tp->t_flags &= ~TF_RXWIN0SENT;
1636 				tp->t_flags |= TF_SENTFIN;
1685 			tp->t_flags |= TF_SENTFIN;
1753 		if (path_mtu_discovery && (tp->t_flags & TF_PMTUD))
1845 	      (tp->t_flags & (TH_PUSH | TF_ACKNOW)) || tp->t_force != 0 ||
1881 			(tp->t_flags & TF_CLOSING)) {
1882 			tp->t_flags &= ~TF_CLOSING;
1950 				tp->t_flags &= ~TF_TSO;
2050 	tp->t_flags &= ~(TF_ACKNOW | TF_DELACK);
2068 	    ((tp->t_flags & TF_FASTRECOVERY) == 0)) {
2144 	    !(tp->t_flags & TF_CLOSING) &&
2245 	int ack_size = (tp->t_flags & TF_STRETCHACK) ?
2247 	int segs_acked = (tp->t_flags & TF_STRETCHACK) ? maxseg_unacked : 2;