76                (tp)->rcv_nxt += (ti)->ti_len; \
79                STAT(tcpstat.tcps_rcvbyte += (ti)->ti_len);   \
96 		(tp)->rcv_nxt += (ti)->ti_len; \
99 		STAT(tcpstat.tcps_rcvbyte += (ti)->ti_len);  \
147 		i = q->ti_seq + q->ti_len - ti->ti_seq;  in tcp_reass()
149 			if (i >= ti->ti_len) {  in tcp_reass()
151 				STAT(tcpstat.tcps_rcvdupbyte += ti->ti_len);  in tcp_reass()
162 			ti->ti_len -= i;  in tcp_reass()
168 	STAT(tcpstat.tcps_rcvoobyte += ti->ti_len);  in tcp_reass()
176 		register int i = (ti->ti_seq + ti->ti_len) - q->ti_seq;  in tcp_reass()
179 		if (i < q->ti_len) {  in tcp_reass()
181 			q->ti_len -= i;  in tcp_reass()
206 	if (tp->t_state == TCPS_SYN_RECEIVED && ti->ti_len)  in tcp_reass()
209 		tp->rcv_nxt += ti->ti_len;  in tcp_reass()
301 	ti->ti_len = htons((u_int16_t)tlen);  in tcp_input()
321 	ti->ti_len = tlen;  in tcp_input()
504 		if (ti->ti_len == 0) {  in tcp_input()
558 		    ti->ti_len <= sbspace(&so->so_rcv)) {  in tcp_input()
565 			tp->rcv_nxt += ti->ti_len;  in tcp_input()
567 			STAT(tcpstat.tcps_rcvbyte += ti->ti_len);  in tcp_input()
803 		if (ti->ti_len > tp->rcv_wnd) {  in tcp_input()
804 			todrop = ti->ti_len - tp->rcv_wnd;  in tcp_input()
806 			ti->ti_len = tp->rcv_wnd;  in tcp_input()
865 		if (todrop > ti->ti_len  in tcp_input()
866 		    || (todrop == ti->ti_len && (tiflags & TH_FIN) == 0)) {  in tcp_input()
879 			todrop = ti->ti_len;  in tcp_input()
888 		ti->ti_len -= todrop;  in tcp_input()
901 	    tp->t_state > TCPS_CLOSE_WAIT && ti->ti_len) {  in tcp_input()
911 	todrop = (ti->ti_seq+ti->ti_len) - (tp->rcv_nxt+tp->rcv_wnd);  in tcp_input()
914 		if (todrop >= ti->ti_len) {  in tcp_input()
915 			STAT(tcpstat.tcps_rcvbyteafterwin += ti->ti_len);  in tcp_input()
944 		ti->ti_len -= todrop;  in tcp_input()
1078 			if (ti->ti_len == 0 && tiwin == tp->snd_wnd) {  in tcp_input()
1289 		if (ti->ti_len == 0 &&  in tcp_input()
1355 	if ((ti->ti_len || (tiflags&TH_FIN)) &&  in tcp_input()
1447 	if (ti->ti_len && (unsigned)ti->ti_len <= 5 &&  in tcp_input()
1477 		if (tiflags & TH_SYN) ti->ti_len++;  in tcp_input()
1478 		tcp_respond(tp, ti, m, ti->ti_seq+ti->ti_len, (tcp_seq)0,  in tcp_input()