* Copyright (c) 1983 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
* @(#)trace.h 5.4 (Berkeley) %G%";
* Includes material written at Cornell University by Bill Nesheim,
* by permission of the author.
* 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); \