diff options
Diffstat (limited to 'src/sync.c')
-rw-r--r-- | src/sync.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/sync.c b/src/sync.c new file mode 100644 index 0000000..2e354f0 --- /dev/null +++ b/src/sync.c @@ -0,0 +1,84 @@ +/*- + * 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 }; |