summaryrefslogtreecommitdiffstats
path: root/usr.sbin/IPXrouted/trace.h
blob: e6f144dd11a269a02f405a00e13bbe1ef44f0d9a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
/*
 * Copyright (c) 1983, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Copyright (c) 1995 John Hay.  All rights reserved.
 *
 * 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
 * are met:
 * 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
 * SUCH DAMAGE.
 *
 *	@(#)trace.h	8.1 (Berkeley) 6/5/93
 *
 *	$FreeBSD$
 */

/*
 * IPX Routing Information Protocol.
 */

/*
 * Trace record format.
 */
struct	iftrace {
	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	ifdebug {
	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 */
};

/*
 * Packet tracing stuff.
 */
int	tracepackets;		/* watch packets as they go by */
int	tracing;		/* on/off */
FILE	*ftrace;		/* output trace file */

#define	TRACE_ACTION(action, route) { \
	  if (tracing) \
		traceaction(ftrace, "action", route); \
	}
#define	TRACE_INPUT(ifp, src, size) { \
	  if (tracing) { \
		ifp = if_iflookup(src); \
		if (ifp) \
			trace(&ifp->int_input, src, \
				&packet[sizeof(struct ipx)], size, \
				ntohl(ifp->int_metric)); \
	  } \
	  if (tracepackets && ftrace) \
		dumppacket(ftrace, "from", src, \
				&packet[sizeof(struct ipx)], size); \
	}
#define	TRACE_OUTPUT(ifp, dst, size) { \
	  if (tracing) { \
		ifp = if_iflookup(dst); \
		if (ifp) \
		    trace(&ifp->int_output, dst, \
				&packet[sizeof(struct ipx)], \
				size, ifp->int_metric); \
	  } \
	  if (tracepackets && ftrace) \
		dumppacket(ftrace, "to", dst, \
				&packet[sizeof(struct ipx)], size); \
	}

#define	TRACE_SAP_OUTPUT(ifp, dst, size) { \
	  if (tracing) { \
		ifp = if_iflookup(dst); \
		if (ifp) \
		    trace(&ifp->int_output, dst, \
				&packet[sizeof(struct ipx)], \
				size, ifp->int_metric); \
	  } \
	  if (tracepackets && ftrace) \
		dumpsappacket(ftrace, "to", dst, \
				&packet[sizeof(struct ipx)], size); \
	}

void traceinit(struct interface *);
void traceon(char *file);
void traceoff(void);
void traceaction(FILE *, char *, struct rt_entry *);
void trace(struct ifdebug *, struct sockaddr *, char *, int, int);
void dumppacket(FILE *, char *, struct sockaddr *, char *, int);
void dumpsappacket(FILE *, char *, struct sockaddr *, char *, int);
void dumpsaptable(FILE *fd, struct sap_hash *sh);
void dumpriptable(FILE *fd);

char *ipxdp_nettoa(union ipx_net);
char *ipxdp_ntoa(struct ipx_addr *);

OpenPOWER on IntegriCloud