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/*-
* Copyright (c) 1999 Brian Somers <brian@Awfulhak.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: src/usr.sbin/ppp/sync.c,v 1.8.26.1 2010/12/21 17:10:29 kensmith Exp $
*/
#include <sys/types.h>
#include <stdio.h>
#include <termios.h>
#include "layer.h"
#include "defs.h"
#include "mbuf.h"
#include "log.h"
#include "sync.h"
#include "timer.h"
#include "lqr.h"
#include "hdlc.h"
#include "throughput.h"
#include "fsm.h"
#include "lcp.h"
#include "ccp.h"
#include "link.h"
#include "async.h"
#include "descriptor.h"
#include "physical.h"
static struct mbuf *
sync_LayerPush(struct bundle *bundle __unused, struct link *l __unused,
struct mbuf *bp, int pri __unused, u_short *proto __unused)
{
log_DumpBp(LogSYNC, "Write", bp);
m_settype(bp, MB_SYNCOUT);
bp->priv = 0;
return bp;
}
static struct mbuf *
sync_LayerPull(struct bundle *b __unused, struct link *l, struct mbuf *bp,
u_short *proto __unused)
{
struct physical *p = link2physical(l);
int len;
if (!p)
log_Printf(LogERROR, "Can't Pull a sync packet from a logical link\n");
else {
log_DumpBp(LogSYNC, "Read", bp);
/* Either done here or by the HDLC layer */
len = m_length(bp);
p->hdlc.lqm.ifInOctets += len + 1; /* plus 1 flag octet! */
p->hdlc.lqm.lqr.InGoodOctets += len + 1; /* plus 1 flag octet! */
p->hdlc.lqm.ifInUniPackets++;
m_settype(bp, MB_SYNCIN);
}
return bp;
}
struct layer synclayer = { LAYER_SYNC, "sync", sync_LayerPush, sync_LayerPull };
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