2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This file includes significant work done at Cornell University by
6 * Bill Nesheim. That work included by permission.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * @(#)trace.h 8.1 (Berkeley) 6/5/93
40 * Xerox Routing Information Protocol.
44 * Trace record format.
47 time_t ift_stamp; /* time stamp */
48 struct sockaddr ift_who; /* from/to */
49 char *ift_packet; /* pointer to packet */
50 short ift_size; /* size of packet */
51 short ift_metric; /* metric */
55 * Per interface packet tracing buffers. An incoming and
56 * outgoing circular buffer of packets is maintained, per
57 * interface, for debugging. Buffers are dumped whenever
58 * an interface is marked down.
61 struct iftrace *ifd_records; /* array of trace records */
62 struct iftrace *ifd_front; /* next empty trace record */
63 int ifd_count; /* number of unprinted records */
64 struct interface *ifd_if; /* for locating stuff */
68 * Packet tracing stuff.
70 int tracepackets; /* watch packets as they go by */
71 int tracing; /* on/off */
72 FILE *ftrace; /* output trace file */
74 #define TRACE_ACTION(action, route) { \
76 traceaction(ftrace, "action", route); \
78 #define TRACE_INPUT(ifp, src, size) { \
80 ifp = if_iflookup(src); \
82 trace(&ifp->int_input, src, &packet[sizeof(struct idp)], size, \
83 ntohl(ifp->int_metric)); \
85 if (tracepackets && ftrace) \
86 dumppacket(ftrace, "from", src, &packet[sizeof(struct idp)], size); \
88 #define TRACE_OUTPUT(ifp, dst, size) { \
90 ifp = if_iflookup(dst); \
92 trace(&ifp->int_output, dst, &packet[sizeof(struct idp)], size, ifp->int_metric); \
94 if (tracepackets && ftrace) \
95 dumppacket(ftrace, "to", dst, &packet[sizeof(struct idp)], size); \