* Copyright (c) 1983 The Regents of the University of California.
* This file includes significant work done at Cornell University by
* Bill Nesheim. That work included by permission.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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
* @(#)trace.h 5.6 (Berkeley) 6/1/90
* Xerox Routing Information Protocol.
time_t ift_stamp
; /* time stamp */
struct sockaddr ift_who
; /* from/to */
char *ift_packet
; /* pointer to packet */
short ift_size
; /* size of packet */
short ift_metric
; /* metric */
* Per interface packet tracing buffers. An incoming and
* outgoing circular buffer of packets is maintained, per
* interface, for debugging. Buffers are dumped whenever
* an interface is marked down.
struct iftrace
*ifd_records
; /* array of trace records */
struct iftrace
*ifd_front
; /* next empty trace record */
int ifd_count
; /* number of unprinted records */
struct interface
*ifd_if
; /* for locating stuff */
int tracepackets
; /* watch packets as they go by */
int tracing
; /* on/off */
FILE *ftrace
; /* output trace file */
#define TRACE_ACTION(action, route) { \
traceaction(ftrace, "action", route); \
#define TRACE_INPUT(ifp, src, size) { \
ifp = if_iflookup(src); \
trace(&ifp->int_input, src, &packet[sizeof(struct idp)], size, \
ntohl(ifp->int_metric)); \
if (tracepackets && ftrace) \
dumppacket(ftrace, "from", src, &packet[sizeof(struct idp)], size); \
#define TRACE_OUTPUT(ifp, dst, size) { \
ifp = if_iflookup(dst); \
trace(&ifp->int_output, dst, &packet[sizeof(struct idp)], size, ifp->int_metric); \
if (tracepackets && ftrace) \
dumppacket(ftrace, "to", dst, &packet[sizeof(struct idp)], size); \