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Show First 20 Lines • Show All 3,752 Lines • ▼ Show 20 Lines	tcp_mss(struct tcpcb *tp, int offer)
else {		else {
bufsize = roundup(bufsize, mss);		bufsize = roundup(bufsize, mss);
if (bufsize > sb_max)		if (bufsize > sb_max)
bufsize = sb_max;		bufsize = sb_max;
if (bufsize > so->so_snd.sb_hiwat)		if (bufsize > so->so_snd.sb_hiwat)
(void)sbreserve_locked(&so->so_snd, bufsize, so, NULL);		(void)sbreserve_locked(&so->so_snd, bufsize, so, NULL);
}		}
SOCKBUF_UNLOCK(&so->so_snd);		SOCKBUF_UNLOCK(&so->so_snd);
tp->t_maxseg = mss;		/*
		* Sanity check: make sure that maxseg will be large
		* enough to allow some data on segments even if the
		* all the option space is used (40bytes). Otherwise
		* funny things may happen in tcp_output.
		*
		* XXXGL: shouldn't we reserve space for IP/IPv6 options?
		*/
		tp->t_maxseg = max(mss, 64);

SOCKBUF_LOCK(&so->so_rcv);		SOCKBUF_LOCK(&so->so_rcv);
if ((so->so_rcv.sb_hiwat == V_tcp_recvspace) && metrics.rmx_recvpipe)		if ((so->so_rcv.sb_hiwat == V_tcp_recvspace) && metrics.rmx_recvpipe)
bufsize = metrics.rmx_recvpipe;		bufsize = metrics.rmx_recvpipe;
else		else
bufsize = so->so_rcv.sb_hiwat;		bufsize = so->so_rcv.sb_hiwat;
if (bufsize > mss) {		if (bufsize > mss) {
bufsize = roundup(bufsize, mss);		bufsize = roundup(bufsize, mss);
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