summaryrefslogtreecommitdiffstats
path: root/contrib/tcpdump/aodv.h
blob: 456ec8b309edbc9963b50c96da1ffa9f5e3cdf38 (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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
/* @(#) $Header: /tcpdump/master/tcpdump/aodv.h,v 1.3 2003-09-13 01:34:42 guy Exp $ (LBL) */
/*
 * Copyright (c) 2003 Bruce M. Simpson <bms@spc.org>
 * All rights reserved.
 *
 * 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 Bruce M. Simpson.
 * 4. Neither the name of Bruce M. Simpson nor the names of co-
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY Bruce M. Simpson 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 Bruce M. Simpson 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.
 */
#ifndef _AODV_H_
#define _AODV_H_

struct aodv_rreq {
	u_int8_t	rreq_type;	/* AODV message type (1) */
	u_int8_t	rreq_flags;	/* various flags */
	u_int8_t	rreq_zero0;	/* reserved, set to zero */
	u_int8_t	rreq_hops;	/* number of hops from originator */
	u_int32_t	rreq_id;	/* request ID */
	u_int32_t	rreq_da;	/* destination IPv4 address */
	u_int32_t	rreq_ds;	/* destination sequence number */
	u_int32_t	rreq_oa;	/* originator IPv4 address */
	u_int32_t	rreq_os;	/* originator sequence number */
};
#ifdef INET6
struct aodv_rreq6 {
	u_int8_t	rreq_type;	/* AODV message type (1) */
	u_int8_t	rreq_flags;	/* various flags */
	u_int8_t	rreq_zero0;	/* reserved, set to zero */
	u_int8_t	rreq_hops;	/* number of hops from originator */
	u_int32_t	rreq_id;	/* request ID */
	struct in6_addr	rreq_da;	/* destination IPv6 address */
	u_int32_t	rreq_ds;	/* destination sequence number */
	struct in6_addr	rreq_oa;	/* originator IPv6 address */
	u_int32_t	rreq_os;	/* originator sequence number */
};
struct aodv_rreq6_draft_01 {
	u_int8_t	rreq_type;	/* AODV message type (16) */
	u_int8_t	rreq_flags;	/* various flags */
	u_int8_t	rreq_zero0;	/* reserved, set to zero */
	u_int8_t	rreq_hops;	/* number of hops from originator */
	u_int32_t	rreq_id;	/* request ID */
	u_int32_t	rreq_ds;	/* destination sequence number */
	u_int32_t	rreq_os;	/* originator sequence number */
	struct in6_addr	rreq_da;	/* destination IPv6 address */
	struct in6_addr	rreq_oa;	/* originator IPv6 address */
};
#endif

#define	RREQ_JOIN	0x80		/* join (reserved for multicast */
#define	RREQ_REPAIR	0x40		/* repair (reserved for multicast */
#define	RREQ_GRAT	0x20		/* gratuitous RREP */
#define	RREQ_DEST	0x10		/* destination only */
#define	RREQ_UNKNOWN	0x08		/* unknown destination sequence num */
#define	RREQ_FLAGS_MASK	0xF8		/* mask for rreq_flags */

struct aodv_rrep {
	u_int8_t	rrep_type;	/* AODV message type (2) */
	u_int8_t	rrep_flags;	/* various flags */
	u_int8_t	rrep_ps;	/* prefix size */
	u_int8_t	rrep_hops;	/* number of hops from o to d */
	u_int32_t	rrep_da;	/* destination IPv4 address */
	u_int32_t	rrep_ds;	/* destination sequence number */
	u_int32_t	rrep_oa;	/* originator IPv4 address */
	u_int32_t	rrep_life;	/* lifetime of this route */
};
#ifdef INET6
struct aodv_rrep6 {
	u_int8_t	rrep_type;	/* AODV message type (2) */
	u_int8_t	rrep_flags;	/* various flags */
	u_int8_t	rrep_ps;	/* prefix size */
	u_int8_t	rrep_hops;	/* number of hops from o to d */
	struct in6_addr	rrep_da;	/* destination IPv6 address */
	u_int32_t	rrep_ds;	/* destination sequence number */
	struct in6_addr	rrep_oa;	/* originator IPv6 address */
	u_int32_t	rrep_life;	/* lifetime of this route */
};
struct aodv_rrep6_draft_01 {
	u_int8_t	rrep_type;	/* AODV message type (17) */
	u_int8_t	rrep_flags;	/* various flags */
	u_int8_t	rrep_ps;	/* prefix size */
	u_int8_t	rrep_hops;	/* number of hops from o to d */
	u_int32_t	rrep_ds;	/* destination sequence number */
	struct in6_addr	rrep_da;	/* destination IPv6 address */
	struct in6_addr	rrep_oa;	/* originator IPv6 address */
	u_int32_t	rrep_life;	/* lifetime of this route */
};
#endif

#define	RREP_REPAIR		0x80	/* repair (reserved for multicast */
#define	RREP_ACK		0x40	/* acknowledgement required */
#define	RREP_FLAGS_MASK		0xC0	/* mask for rrep_flags */
#define	RREP_PREFIX_MASK	0x1F	/* mask for prefix size */

struct rerr_unreach {
	u_int32_t	u_da;	/* IPv4 address */
	u_int32_t	u_ds;	/* sequence number */
};
#ifdef INET6
struct rerr_unreach6 {
	struct in6_addr	u_da;	/* IPv6 address */
	u_int32_t	u_ds;	/* sequence number */
};
struct rerr_unreach6_draft_01 {
	struct in6_addr	u_da;	/* IPv6 address */
	u_int32_t	u_ds;	/* sequence number */
};
#endif

struct aodv_rerr {
	u_int8_t	rerr_type;	/* AODV message type (3 or 18) */
	u_int8_t	rerr_flags;	/* various flags */
	u_int8_t	rerr_zero0;	/* reserved, set to zero */
	u_int8_t	rerr_dc;	/* destination count */
	union {
		struct	rerr_unreach dest[1];
#ifdef INET6
		struct	rerr_unreach6 dest6[1];
		struct	rerr_unreach6_draft_01 dest6_draft_01[1];
#endif
	} r;
};

#define RERR_NODELETE		0x80	/* don't delete the link */
#define RERR_FLAGS_MASK		0x80	/* mask for rerr_flags */

struct aodv_rrep_ack {
	u_int8_t	ra_type;
	u_int8_t	ra_zero0;
};

union aodv {
	struct aodv_rreq rreq;
	struct aodv_rrep rrep;
	struct aodv_rerr rerr;
	struct aodv_rrep_ack rrep_ack;
#ifdef INET6
	struct aodv_rreq6 rreq6;
	struct aodv_rreq6_draft_01 rreq6_draft_01;
	struct aodv_rrep6 rrep6;
	struct aodv_rrep6_draft_01 rrep6_draft_01;
#endif
};

#define	AODV_RREQ		1	/* route request */
#define	AODV_RREP		2	/* route response */
#define	AODV_RERR		3	/* error report */
#define	AODV_RREP_ACK		4	/* route response acknowledgement */

#define AODV_V6_DRAFT_01_RREQ		16	/* IPv6 route request */
#define AODV_V6_DRAFT_01_RREP		17	/* IPv6 route response */
#define AODV_V6_DRAFT_01_RERR		18	/* IPv6 error report */
#define AODV_V6_DRAFT_01_RREP_ACK	19	/* IPV6 route response acknowledgment */

struct aodv_ext {
	u_int8_t	type;		/* extension type */
	u_int8_t	length;		/* extension length */
};

struct aodv_hello {
	struct	aodv_ext	eh;		/* extension header */
	u_int32_t		interval;	/* expect my next hello in
						 * (n) ms */
};

#define	AODV_EXT_HELLO	1

#endif /* _AODV_H_ */
OpenPOWER on IntegriCloud