JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1 | /* @(#) $Header: /tcpdump/master/tcpdump/aodv.h,v 1.3 2003-09-13 01:34:42 guy Exp $ (LBL) */ |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 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 | |
| 36 | struct 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 |
| 48 | struct 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 | }; |
| 59 | struct 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 | |
| 79 | struct 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 |
| 90 | struct 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 | }; |
| 100 | struct 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 | |
| 117 | struct rerr_unreach { |
| 118 | u_int32_t u_da; /* IPv4 address */ |
| 119 | u_int32_t u_ds; /* sequence number */ |
| 120 | }; |
| 121 | #ifdef INET6 |
| 122 | struct rerr_unreach6 { |
| 123 | struct in6_addr u_da; /* IPv6 address */ |
| 124 | u_int32_t u_ds; /* sequence number */ |
| 125 | }; |
| 126 | struct rerr_unreach6_draft_01 { |
| 127 | struct in6_addr u_da; /* IPv6 address */ |
| 128 | u_int32_t u_ds; /* sequence number */ |
| 129 | }; |
| 130 | #endif |
| 131 | |
| 132 | struct 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 | |
| 149 | struct aodv_rrep_ack { |
| 150 | u_int8_t ra_type; |
| 151 | u_int8_t ra_zero0; |
| 152 | }; |
| 153 | |
| 154 | union 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 | |
| 177 | struct aodv_ext { |
| 178 | u_int8_t type; /* extension type */ |
| 179 | u_int8_t length; /* extension length */ |
| 180 | }; |
| 181 | |
| 182 | struct aodv_hello { |
| 183 | struct aodv_ext eh; /* extension header */ |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 184 | u_int8_t interval[4]; /* expect my next hello in |
| 185 | * (n) ms |
| 186 | * NOTE: this is not aligned */ |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 187 | }; |
| 188 | |
| 189 | #define AODV_EXT_HELLO 1 |
| 190 | |
| 191 | #endif /* _AODV_H_ */ |