469 	to.to_flags = 0;  in tcp_input()
791 			(to.to_flags & TOF_FASTOPEN)) {  in tcp_input()
871 			if (/*sc->sc_flags & SCF_WINSCALE*/to.to_flags & TOF_SCALE) {  in tcp_input()
912 			if (/*sc->sc_flags & SCF_TIMESTAMP*/to.to_flags & TOF_TS) {  in tcp_input()
930 			if (/*sc->sc_flags & SCF_SACK*/ to.to_flags & TOF_SACKPERM)  in tcp_input()
940 		tcp_mss(tp, /*sc->sc_peer_mss*/(to.to_flags & TOF_MSS) ? to.to_mss : 0);  in tcp_input()
1118 	if ((to.to_flags & TOF_TS) && (to.to_tsecr != 0)) {  in tcp_do_segment()
1127 	if ((tp->t_flags & TF_RCVD_TSTMP) && !(to.to_flags & TOF_TS)) {  in tcp_do_segment()
1132 	if (!(tp->t_flags & TF_RCVD_TSTMP) && (to.to_flags & TOF_TS)) {  in tcp_do_segment()
1146 		if ((to.to_flags & TOF_SCALE) &&  in tcp_do_segment()
1156 		if (to.to_flags & TOF_TS) {  in tcp_do_segment()
1161 		if (to.to_flags & TOF_MSS)  in tcp_do_segment()
1164 		    (to.to_flags & TOF_SACKPERM) == 0)  in tcp_do_segment()
1170 			if (to.to_flags & TOF_FASTOPEN) {  in tcp_do_segment()
1173 				if (to.to_flags & TOF_MSS)  in tcp_do_segment()
1217 	    ((to.to_flags & TOF_TS) == 0 ||  in tcp_do_segment()
1226 		if ((to.to_flags & TOF_TS) != 0 &&  in tcp_do_segment()
1236 			    (to.to_flags & TOF_SACK) == 0 &&  in tcp_do_segment()
1260 				if ((to.to_flags & TOF_TS) != 0 &&  in tcp_do_segment()
1778 	if ((to.to_flags & TOF_TS) != 0 && tp->ts_recent &&  in tcp_do_segment()
1917 	if ((to.to_flags & TOF_TS) != 0 &&  in tcp_do_segment()
2058 		    ((to.to_flags & TOF_SACK) ||  in tcp_do_segment()
2327 		if ((to.to_flags & TOF_TS) != 0 && to.to_tsecr) {  in tcp_do_segment()
2779 	to->to_flags = 0;  in tcp_dooptions()
2799 			to->to_flags |= TOF_MSS;  in tcp_dooptions()
2809 			to->to_flags |= TOF_SCALE;  in tcp_dooptions()
2815 			to->to_flags |= TOF_TS;  in tcp_dooptions()
2833 			to->to_flags |= TOF_SIGNATURE;  in tcp_dooptions()
2844 			to->to_flags |= TOF_SACKPERM;  in tcp_dooptions()
2851 			to->to_flags |= TOF_SACK;  in tcp_dooptions()
2866 			to->to_flags |= TOF_FASTOPEN;  in tcp_dooptions()