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/*		/*
* According to RFC1323 the window field in a SYN (i.e., a <SYN> or		* According to RFC1323 the window field in a SYN (i.e., a <SYN> or
* <SYN,ACK>) segment itself is never scaled. The <SYN,ACK> case is		* <SYN,ACK>) segment itself is never scaled. The <SYN,ACK> case is
* handled in syncache.		* handled in syncache.
*/		*/
if (flags & TH_SYN)		if (flags & TH_SYN)
th->th_win = htons((u_short)		th->th_win = htons((u_short)
(min(sbspace(&so->so_rcv), TCP_MAXWIN)));		(min(sbspace(&so->so_rcv), TCP_MAXWIN)));
else		else {
		recwin = roundup2(recwin, 1 << tp->rcv_scale);
th->th_win = htons((u_short)(recwin >> tp->rcv_scale));		th->th_win = htons((u_short)(recwin >> tp->rcv_scale));
		}
/*		/*
* Adjust the RXWIN0SENT flag - indicate that we have advertised a 0		* Adjust the RXWIN0SENT flag - indicate that we have advertised a 0
* window. This may cause the remote transmitter to stall. This		* window. This may cause the remote transmitter to stall. This
* flag tells soreceive() to disable delayed acknowledgements when		* flag tells soreceive() to disable delayed acknowledgements when
* draining the buffer. This can occur if the receiver is		* draining the buffer. This can occur if the receiver is
* attempting to read more data than can be buffered prior to		* attempting to read more data than can be buffered prior to
* transmitting on the connection.		* transmitting on the connection.
*/		*/
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