* Copyright (c) 1983, 1988 Regents of the University of California.
* %sccs.include.redist.c%
* @(#)trace.h 5.8 (Berkeley) %G%
* Routing table management daemon.
struct timeval 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 on associated 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 tracecontents
; /* watch packet contents as they go by */
int traceactions
; /* on/off */
int tracehistory
; /* on/off */
FILE *ftrace
; /* output trace file */
#define TRACE_ACTION(action, route) { \
traceaction(ftrace, action, route); \
#define TRACE_NEWMETRIC(route, newmetric) { \
tracenewmetric(ftrace, route, newmetric); \
#define TRACE_INPUT(ifp, src, pack, size) { \
ifp = if_iflookup(src); \
trace(&ifp->int_input, src, pack, size, \
ntohl(ifp->int_metric)); \
dumppacket(ftrace, "from", src, pack, size, &now); \
#define TRACE_OUTPUT(ifp, dst, size) { \
if (tracehistory && ifp) \
trace(&ifp->int_output, dst, packet, size, ifp->int_metric); \
dumppacket(ftrace, "to", dst, packet, size, &now); \