bsd/netinet/tcp_output.c

317 	idle = (tp->t_flags & TF_LASTIDLE) || (tp->snd_max == tp->snd_una);
330 	tp->t_flags &= ~TF_LASTIDLE;
332 		if (tp->t_flags & TF_MORETOCOME) {
333 			tp->t_flags |= TF_LASTIDLE;
386 		tp->t_flags &= ~TF_TSO;
464 			tp->t_flags &= ~TF_PMTUD;
466 			tp->t_flags |= TF_PMTUD;
487 	if (tp->t_flags & TF_SLOWLINK && slowlink_wsize > 0)
560 	if (tp->t_flags & TF_NEEDFIN)
562 	if (tp->t_flags & TF_NEEDSYN)
683 				(tp->t_flags & TF_CLOSING)) {
684 				tp->t_flags &= ~TF_CLOSING;
700 	if ((flags & TH_SYN) && (tp->t_flags & TF_NOOPT)) {
799 		if ((tp->t_flags & TF_TSO) && tcp_do_tso && hwcksum_tx &&
911 			if (!(tp->t_flags & TF_MORETOCOME) &&
912 			    (idle || tp->t_flags & TF_NODELAY ||
913 			    tp->t_flags & TF_MAXSEGSNT ||
915 			    (tp->t_flags & TF_NOPUSH) == 0 &&
933 	if (recwin > 0 && !(tp->t_flags & TF_NEEDSYN)) {
955 			if (!(tp->t_flags & TF_STRETCHACK) &&
966 			if ((tp->t_flags & TF_STRETCHACK) &&
967 				!(tp->t_flags & TF_DELACK)) {
968 				tp->t_flags |= TF_DELACK;
981 	if (tp->t_flags & TF_ACKNOW)
984 	    ((flags & TH_SYN) && (tp->t_flags & TF_NEEDSYN) == 0))
997 	    (!(tp->t_flags & TF_SENTFIN) || tp->snd_nxt == tp->snd_una))
1062 		(tp->t_flags & TF_CLOSING)) {
1063 		tp->t_flags &= ~TF_CLOSING;
1078 			tp->t_flags |= TF_MAXSEGSNT;
1080 			tp->t_flags &= ~TF_MAXSEGSNT;
1099 		if ((tp->t_flags & TF_NOOPT) == 0) {
1108 			if ((tp->t_flags & TF_REQ_SCALE) &&
1110 			    (tp->t_flags & TF_RCVD_SCALE))) {
1214  	if ((tp->t_flags & (TF_REQ_TSTMP|TF_NOOPT)) == TF_REQ_TSTMP &&
1217 	     (tp->t_flags & TF_RCVD_TSTMP))) {
1231 	if (SACK_ENABLED(tp) && ((tp->t_flags & TF_NOOPT) == 0)) {
1247 		    (!(flags & TH_ACK) || (tp->t_flags & TF_SACK_PERMIT))) {
1275 	if (SACK_ENABLED(tp) && ((tp->t_flags & TF_NOOPT) == 0)) {
1290 		    (tp->t_flags & TF_SACK_PERMIT) && tp->rcv_numsacks > 0 &&
1380 			} else if (tp->t_flags & TF_NEEDFIN)
1593 		if (tp->t_flags & TF_ACKNOW)
1655 	if (flags & TH_FIN && (tp->t_flags & TF_SENTFIN) &&
1697 	if (tp->t_flags & TF_SLOWLINK && slowlink_wsize > 0) {
1731 		tp->t_flags |= TF_RXWIN0SENT;
1733 		tp->t_flags &= ~TF_RXWIN0SENT;
1805 				!(tp->t_flags & TF_SENTFIN)) {
1807 				tp->t_flags |= TF_SENTFIN;
1856 			!(tp->t_flags & TF_SENTFIN)) {
1858 			tp->t_flags |= TF_SENTFIN;
1923 		if (path_mtu_discovery && (tp->t_flags & TF_PMTUD))
2020 	      (tp->t_flags & (TH_PUSH | TF_ACKNOW)) || tp->t_force != 0 ||
2062 			(tp->t_flags & TF_CLOSING)) {
2063 			tp->t_flags &= ~TF_CLOSING;
2142 				tp->t_flags &= ~TF_TSO;
2251 	tp->t_flags &= ~(TF_ACKNOW | TF_DELACK);
2269 	    ((tp->t_flags & TF_FASTRECOVERY) == 0)) {
2348 	    !(tp->t_flags & TF_CLOSING) &&
2449 	int ack_size = (tp->t_flags & TF_STRETCHACK) ?
2451 	int segs_acked = (tp->t_flags & TF_STRETCHACK) ? maxseg_unacked : 2;