1636 tcp_update_window(struct tcpcb *tp, int thflags, struct tcphdr * th,  in tcp_update_window()  argument
1640 	if ((thflags & TH_ACK) &&  in tcp_update_window()
1816     int thflags, int ace_flags, uint8_t ip_ecn, uint32_t tlen, uint32_t segment_count)  in tcp_input_process_accecn_synack()  argument
1818 	if ((thflags & (TH_ECE | TH_CWR)) == (TH_ECE)) {  in tcp_input_process_accecn_synack()
2763 	int thflags;  in tcp_input()  local
2962 	thflags = th->th_flags;  in tcp_input()
2970 	if ((thflags & (TH_SYN | TH_FIN)) == (TH_SYN | TH_FIN)) {  in tcp_input()
3063 				if (thflags & TH_SYN) {  in tcp_input()
3075 				    ntohs(th->th_sport), thflags);  in tcp_input()
3079 				if ((thflags & TH_SYN) && !(thflags & TH_ACK) &&  in tcp_input()
3098 					if (thflags & TH_SYN) {  in tcp_input()
3257 	if ((thflags & TH_ACCEPT) == 0) {  in tcp_input()
3267 	if ((thflags & TH_SYN) == 0) {  in tcp_input()
3300 		if (TCP_SYN_COOKIE_ENABLED(tp) && (thflags & (TH_RST | TH_ACK | TH_SYN)) == TH_ACK) {  in tcp_input()
3360 		if ((thflags & (TH_RST | TH_ACK | TH_SYN)) != TH_SYN) {  in tcp_input()
3363 			if (thflags & TH_RST) {  in tcp_input()
3365 				    thflags & TH_SYN ? "ignore SYN with RST" : "ignore RST");  in tcp_input()
3369 			if (thflags & TH_ACK) {  in tcp_input()
3371 				    thflags & TH_SYN ? "bad SYN with ACK" : "bad ACK");  in tcp_input()
3500 		    th->th_seq, th->th_ack, tlen, thflags,  in tcp_input()
3531 		if (thflags & TH_CWR) {  in tcp_input()
3587 	    (ip_ecn == IPTOS_ECN_CE || (thflags & TH_CWR))) {  in tcp_input()
3640 	if (tp->t_state == TCPS_SYN_SENT && (thflags & TH_SYN)) {  in tcp_input()
3641 		if (!(thflags & TH_ACK) ||  in tcp_input()
3661 	    (thflags & (TH_SYN | TH_FIN | TH_RST | TH_URG | TH_ACK | TH_ECE | TH_PUSH)) == TH_ACK &&  in tcp_input()
3732 	    (thflags & TH_FLAGS) == TH_ACK &&  in tcp_input()
4089 		if ((thflags & TH_ACK) &&  in tcp_input()
4104 		if ((thflags & TH_SYN) &&  in tcp_input()
4124 		if ((thflags & TH_ACK) &&  in tcp_input()
4132 		if (thflags & TH_RST) {  in tcp_input()
4133 			if ((thflags & TH_ACK) != 0) {  in tcp_input()
4162 		if ((thflags & TH_SYN) == 0) {  in tcp_input()
4172 		if (thflags & TH_ACK) {  in tcp_input()
4176 			const uint32_t ace_flags = ((th->th_x2 << 8) | thflags) & TH_ACE;  in tcp_input()
4177 			tcp_input_process_accecn_synack(tp, inp, &to, thflags, ace_flags, ip_ecn,  in tcp_input()
4261 				thflags &= ~TH_SYN;  in tcp_input()
4348 			thflags &= ~TH_FIN;  in tcp_input()
4361 		if (thflags & TH_ACK) {  in tcp_input()
4386 		if (thflags & TH_SYN && tlen <= 0) {  in tcp_input()
4477 	if (thflags & TH_RST) {  in tcp_input()
4605 	    (thflags & (TH_SYN | TH_ACK | TH_RST)) == TH_SYN) {  in tcp_input()
4627 		if (thflags & TH_SYN) {  in tcp_input()
4629 			thflags &= ~TH_SYN;  in tcp_input()
4634 				thflags &= ~TH_URG;  in tcp_input()
4644 		    || (todrop == tlen && (thflags & TH_FIN) == 0)) {  in tcp_input()
4650 			thflags &= ~TH_FIN;  in tcp_input()
4702 			thflags &= ~TH_URG;  in tcp_input()
4777 		thflags &= ~(TH_PUSH | TH_FIN);  in tcp_input()
4801 	    ((thflags & (TH_SYN | TH_FIN)) != 0))) {  in tcp_input()
4814 	if (thflags & TH_SYN) {  in tcp_input()
4835 			thflags &= ~TH_SYN;  in tcp_input()
4844 	if ((thflags & TH_ACK) == 0) {  in tcp_input()
4871 			int ace_flags = ((th->th_x2 << 8) | thflags) & TH_ACE;  in tcp_input()
4958 		    && (thflags & (TH_SYN | TH_ACK)) == TH_ACK) {  in tcp_input()
5175 				if ((thflags & TH_FIN) &&  in tcp_input()
5317 						tcp_update_window(tp, thflags,  in tcp_input()
5415 							tcp_update_window(tp, thflags, th, tiwin, tlen);  in tcp_input()
5430 						tcp_update_window(tp, thflags, th, tiwin, tlen);  in tcp_input()
5617 			if (tp->accurate_ecn_on && !(thflags & TH_SYN)) {  in tcp_input()
5649 			} else if (TCP_ECN_ENABLED(tp) && (thflags & TH_ECE)) {  in tcp_input()
5868 	if (tcp_update_window(tp, thflags, th, tiwin, tlen)) {  in tcp_input()
5875 	if ((thflags & TH_URG) && th->th_urp &&  in tcp_input()
5885 			thflags &= ~TH_URG;             /* XXX */  in tcp_input()
5969 	if ((tlen || (thflags & TH_FIN)) &&  in tcp_input()
6029 			thflags = th->th_flags & TH_FIN;  in tcp_input()
6092 			thflags = tcp_reass(tp, th, &tlen, m, ifp, &read_wakeup);  in tcp_input()
6136 		thflags &= ~TH_FIN;  in tcp_input()
6164 	if (thflags & TH_FIN) {  in tcp_input()
6269 	if (tp->t_state == TCPS_SYN_RECEIVED && (thflags & TH_ACK) &&  in tcp_input()
6294 	if ((thflags & TH_RST) || m->m_flags & (M_BCAST | M_MCAST)) {  in tcp_input()
6315 	if (thflags & TH_ACK) {  in tcp_input()
6320 		if (thflags & TH_SYN) {  in tcp_input()