106     struct tcpcb *tp, int drop_hdrlen, int tlen, uint8_t iptos,
317 #define DELAY_ACK(tp, tlen)						\  argument
320 	    (tlen <= tp->t_maxopd) &&					\
402     int tlen, int rstreason)  in tcp_dropwithreset()  argument
419 			tlen++;  in tcp_dropwithreset()
420 		tcp_respond(tp, instance, ip6, th, th->th_seq + tlen, (tcp_seq) 0, TH_RST | TH_ACK);  in tcp_dropwithreset()
461 	int tlen = 0, off;  in tcp_input()  local
480 	tlen = ntohs(ip6->ip6_plen); // assume *off == sizeof(*ip6)  in tcp_input()
494 	if (off < sizeof (struct tcphdr) || off > tlen) {  in tcp_input()
497 	tlen -= off;	/* tlen is used instead of ti->ti_len */  in tcp_input()
605 		if (tcp_twcheck(tp,/*inp, &to,*/ th, /*m,*/ tlen))  in tcp_input()
954 			tcp_do_segment(ip6, th, msg, tp, drop_hdrlen, tlen, iptos, sig);  in tcp_input()
989 	tcp_do_segment(ip6, th, msg, tp, drop_hdrlen, tlen, iptos, sig);  in tcp_input()
1005 		tcp_dropwithreset(ip6, th, tp, tp->instance, tlen, rstreason);  in tcp_input()
1007 		tcp_dropwithreset(ip6, th, NULL, tpl->instance, tlen, rstreason);  in tcp_input()
1024     struct tcpcb *tp, int drop_hdrlen, int tlen, uint8_t iptos,  in tcp_do_segment()  argument
1232 		if (tlen == 0) {  in tcp_do_segment()
1346 		    tlen <= cbuf_free_space(&tp->recvbuf)) {  in tcp_do_segment()
1357 			tp->rcv_nxt += tlen;  in tcp_do_segment()
1431 …cbuf_write(&tp->recvbuf, msg, otMessageGetOffset(msg) + drop_hdrlen, tlen, cbuf_copy_from_message);  in tcp_do_segment()
1432 				if (tlen > 0) {  in tcp_do_segment()
1455 			if (DELAY_ACK(tp, tlen)) {  in tcp_do_segment()
1587 			if (DELAY_ACK(tp, tlen) && tlen != 0 && !tfo_partial_ack)  in tcp_do_segment()
1642 		if (tlen > tp->rcv_wnd) {  in tcp_do_segment()
1643 			todrop = tlen - tp->rcv_wnd;  in tcp_do_segment()
1651 			tlen = tp->rcv_wnd;  in tcp_do_segment()
1796 			if (tlen)  in tcp_do_segment()
1828 		if (todrop > tlen  in tcp_do_segment()
1829 		    || (todrop == tlen && (thflags & TH_FIN) == 0)) {  in tcp_do_segment()
1842 			todrop = tlen;  in tcp_do_segment()
1847 		tlen -= todrop;  in tcp_do_segment()
1870 	todrop = (th->th_seq + tlen) - (tp->rcv_nxt + tp->rcv_wnd);  in tcp_do_segment()
1872 		if (todrop >= tlen) {  in tcp_do_segment()
1894 		tlen -= todrop;  in tcp_do_segment()
1919 	    SEQ_LEQ(tp->last_ack_sent, th->th_seq + tlen +  in tcp_do_segment()
2032 		if (tlen == 0 && (thflags & TH_FIN) == 0)  in tcp_do_segment()
2063 			if (tlen == 0 && tiwin == tp->snd_wnd) {  in tcp_do_segment()
2543 	if ((tlen || (thflags & TH_FIN) || tfo_syn) &&  in tcp_do_segment()
2573 			if (DELAY_ACK(tp, tlen) || tfo_syn)  in tcp_do_segment()
2577 			tp->rcv_nxt += tlen;  in tcp_do_segment()
2587 …cbuf_write(&tp->recvbuf, msg, otMessageGetOffset(msg) + drop_hdrlen, tlen, cbuf_copy_from_message);  in tcp_do_segment()
2588 				if (tlen > 0) {  in tcp_do_segment()
2591 			} else if (tlen > 0) {  in tcp_do_segment()
2627 			thflags = tcp_reass(tp, th, &tlen, msg, otMessageGetOffset(msg) + drop_hdrlen, sig);  in tcp_do_segment()
2631 		if (tlen > 0 && (tp->t_flags & TF_SACK_PERMIT))  in tcp_do_segment()
2632 			tcp_update_sack_list(tp, save_start, save_start + tlen);  in tcp_do_segment()
2762 		tcp_dropwithreset(ip6, th, tp, instance, tlen, rstreason);  in tcp_do_segment()
2764 		tcp_dropwithreset(ip6, th, NULL, instance, tlen, rstreason);  in tcp_do_segment()