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