Move tcpdump-3.9/ to tcpdump/. No need for a versioned dir.
[dragonfly.git] / contrib / tcpdump / aodv.h
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1/* @(#) $Header: /tcpdump/master/tcpdump/aodv.h,v 1.3 2003/09/13 01:34:42 guy Exp $ (LBL) */
2/*
3 * Copyright (c) 2003 Bruce M. Simpson <bms@spc.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Bruce M. Simpson.
17 * 4. Neither the name of Bruce M. Simpson nor the names of co-
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY Bruce M. Simpson AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Bruce M. Simpson OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33#ifndef _AODV_H_
34#define _AODV_H_
35
36struct aodv_rreq {
37 u_int8_t rreq_type; /* AODV message type (1) */
38 u_int8_t rreq_flags; /* various flags */
39 u_int8_t rreq_zero0; /* reserved, set to zero */
40 u_int8_t rreq_hops; /* number of hops from originator */
41 u_int32_t rreq_id; /* request ID */
42 u_int32_t rreq_da; /* destination IPv4 address */
43 u_int32_t rreq_ds; /* destination sequence number */
44 u_int32_t rreq_oa; /* originator IPv4 address */
45 u_int32_t rreq_os; /* originator sequence number */
46};
47#ifdef INET6
48struct aodv_rreq6 {
49 u_int8_t rreq_type; /* AODV message type (1) */
50 u_int8_t rreq_flags; /* various flags */
51 u_int8_t rreq_zero0; /* reserved, set to zero */
52 u_int8_t rreq_hops; /* number of hops from originator */
53 u_int32_t rreq_id; /* request ID */
54 struct in6_addr rreq_da; /* destination IPv6 address */
55 u_int32_t rreq_ds; /* destination sequence number */
56 struct in6_addr rreq_oa; /* originator IPv6 address */
57 u_int32_t rreq_os; /* originator sequence number */
58};
59struct aodv_rreq6_draft_01 {
60 u_int8_t rreq_type; /* AODV message type (16) */
61 u_int8_t rreq_flags; /* various flags */
62 u_int8_t rreq_zero0; /* reserved, set to zero */
63 u_int8_t rreq_hops; /* number of hops from originator */
64 u_int32_t rreq_id; /* request ID */
65 u_int32_t rreq_ds; /* destination sequence number */
66 u_int32_t rreq_os; /* originator sequence number */
67 struct in6_addr rreq_da; /* destination IPv6 address */
68 struct in6_addr rreq_oa; /* originator IPv6 address */
69};
70#endif
71
72#define RREQ_JOIN 0x80 /* join (reserved for multicast */
73#define RREQ_REPAIR 0x40 /* repair (reserved for multicast */
74#define RREQ_GRAT 0x20 /* gratuitous RREP */
75#define RREQ_DEST 0x10 /* destination only */
76#define RREQ_UNKNOWN 0x08 /* unknown destination sequence num */
77#define RREQ_FLAGS_MASK 0xF8 /* mask for rreq_flags */
78
79struct aodv_rrep {
80 u_int8_t rrep_type; /* AODV message type (2) */
81 u_int8_t rrep_flags; /* various flags */
82 u_int8_t rrep_ps; /* prefix size */
83 u_int8_t rrep_hops; /* number of hops from o to d */
84 u_int32_t rrep_da; /* destination IPv4 address */
85 u_int32_t rrep_ds; /* destination sequence number */
86 u_int32_t rrep_oa; /* originator IPv4 address */
87 u_int32_t rrep_life; /* lifetime of this route */
88};
89#ifdef INET6
90struct aodv_rrep6 {
91 u_int8_t rrep_type; /* AODV message type (2) */
92 u_int8_t rrep_flags; /* various flags */
93 u_int8_t rrep_ps; /* prefix size */
94 u_int8_t rrep_hops; /* number of hops from o to d */
95 struct in6_addr rrep_da; /* destination IPv6 address */
96 u_int32_t rrep_ds; /* destination sequence number */
97 struct in6_addr rrep_oa; /* originator IPv6 address */
98 u_int32_t rrep_life; /* lifetime of this route */
99};
100struct aodv_rrep6_draft_01 {
101 u_int8_t rrep_type; /* AODV message type (17) */
102 u_int8_t rrep_flags; /* various flags */
103 u_int8_t rrep_ps; /* prefix size */
104 u_int8_t rrep_hops; /* number of hops from o to d */
105 u_int32_t rrep_ds; /* destination sequence number */
106 struct in6_addr rrep_da; /* destination IPv6 address */
107 struct in6_addr rrep_oa; /* originator IPv6 address */
108 u_int32_t rrep_life; /* lifetime of this route */
109};
110#endif
111
112#define RREP_REPAIR 0x80 /* repair (reserved for multicast */
113#define RREP_ACK 0x40 /* acknowledgement required */
114#define RREP_FLAGS_MASK 0xC0 /* mask for rrep_flags */
115#define RREP_PREFIX_MASK 0x1F /* mask for prefix size */
116
117struct rerr_unreach {
118 u_int32_t u_da; /* IPv4 address */
119 u_int32_t u_ds; /* sequence number */
120};
121#ifdef INET6
122struct rerr_unreach6 {
123 struct in6_addr u_da; /* IPv6 address */
124 u_int32_t u_ds; /* sequence number */
125};
126struct rerr_unreach6_draft_01 {
127 struct in6_addr u_da; /* IPv6 address */
128 u_int32_t u_ds; /* sequence number */
129};
130#endif
131
132struct aodv_rerr {
133 u_int8_t rerr_type; /* AODV message type (3 or 18) */
134 u_int8_t rerr_flags; /* various flags */
135 u_int8_t rerr_zero0; /* reserved, set to zero */
136 u_int8_t rerr_dc; /* destination count */
137 union {
138 struct rerr_unreach dest[1];
139#ifdef INET6
140 struct rerr_unreach6 dest6[1];
141 struct rerr_unreach6_draft_01 dest6_draft_01[1];
142#endif
143 } r;
144};
145
146#define RERR_NODELETE 0x80 /* don't delete the link */
147#define RERR_FLAGS_MASK 0x80 /* mask for rerr_flags */
148
149struct aodv_rrep_ack {
150 u_int8_t ra_type;
151 u_int8_t ra_zero0;
152};
153
154union aodv {
155 struct aodv_rreq rreq;
156 struct aodv_rrep rrep;
157 struct aodv_rerr rerr;
158 struct aodv_rrep_ack rrep_ack;
159#ifdef INET6
160 struct aodv_rreq6 rreq6;
161 struct aodv_rreq6_draft_01 rreq6_draft_01;
162 struct aodv_rrep6 rrep6;
163 struct aodv_rrep6_draft_01 rrep6_draft_01;
164#endif
165};
166
167#define AODV_RREQ 1 /* route request */
168#define AODV_RREP 2 /* route response */
169#define AODV_RERR 3 /* error report */
170#define AODV_RREP_ACK 4 /* route response acknowledgement */
171
172#define AODV_V6_DRAFT_01_RREQ 16 /* IPv6 route request */
173#define AODV_V6_DRAFT_01_RREP 17 /* IPv6 route response */
174#define AODV_V6_DRAFT_01_RERR 18 /* IPv6 error report */
175#define AODV_V6_DRAFT_01_RREP_ACK 19 /* IPV6 route response acknowledgment */
176
177struct aodv_ext {
178 u_int8_t type; /* extension type */
179 u_int8_t length; /* extension length */
180};
181
182struct aodv_hello {
183 struct aodv_ext eh; /* extension header */
184 u_int32_t interval; /* expect my next hello in
185 * (n) ms */
186};
187
188#define AODV_EXT_HELLO 1
189
190#endif /* _AODV_H_ */