2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 1999 Brian Somers <brian@Awfulhak.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #include <sys/types.h>
44 #include "throughput.h"
50 #include "descriptor.h"
54 sync_LayerPush(struct bundle *bundle __unused, struct link *l __unused,
55 struct mbuf *bp, int pri __unused, u_short *proto __unused)
57 log_DumpBp(LogSYNC, "Write", bp);
58 m_settype(bp, MB_SYNCOUT);
64 sync_LayerPull(struct bundle *b __unused, struct link *l, struct mbuf *bp,
65 u_short *proto __unused)
67 struct physical *p = link2physical(l);
71 log_Printf(LogERROR, "Can't Pull a sync packet from a logical link\n");
73 log_DumpBp(LogSYNC, "Read", bp);
75 /* Either done here or by the HDLC layer */
77 p->hdlc.lqm.ifInOctets += len + 1; /* plus 1 flag octet! */
78 p->hdlc.lqm.lqr.InGoodOctets += len + 1; /* plus 1 flag octet! */
79 p->hdlc.lqm.ifInUniPackets++;
80 m_settype(bp, MB_SYNCIN);
86 struct layer synclayer = { LAYER_SYNC, "sync", sync_LayerPush, sync_LayerPull };