114 	long len, recwin, sendwin;  in tcp_output()  local
448 	recwin = cbuf_free_space(&tp->recvbuf);  in tcp_output()
521 	if (recwin > 0 && !(tp->t_flags & TF_NEEDSYN) &&  in tcp_output()
532 		adv = min(recwin, (long)TCP_MAXWIN << tp->rcv_scale);  in tcp_output()
575 		     recwin <= (long)(so->so_rcv.sb_hiwat / 8) ||  in tcp_output()
1048 	if (recwin < (long)(cbuf_size(&tp->recvbuf) / 4) &&  in tcp_output()
1049 	    recwin < (long)tp->t_maxseg)  in tcp_output()
1050 		recwin = 0;  in tcp_output()
1052 	    recwin < (long)(tp->rcv_adv - tp->rcv_nxt))  in tcp_output()
1053 		recwin = (long)(tp->rcv_adv - tp->rcv_nxt);  in tcp_output()
1054 	if (recwin > (long)TCP_MAXWIN << tp->rcv_scale)  in tcp_output()
1055 		recwin = (long)TCP_MAXWIN << tp->rcv_scale;  in tcp_output()
1066 		th->th_win = htons((uint16_t)(recwin >> tp->rcv_scale));  in tcp_output()
1300 	if (recwin >= 0 && SEQ_GT(tp->rcv_nxt + recwin, tp->rcv_adv))  in tcp_output()
1301 		tp->rcv_adv = tp->rcv_nxt + recwin;  in tcp_output()