Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 1 | /* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors: |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 2 | * |
| 3 | * Marek Lindner, Simon Wunderlich |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of version 2 of the GNU General Public |
| 7 | * License as published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but |
| 10 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | * General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 17 | * 02110-1301, USA |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 18 | */ |
| 19 | |
| 20 | #ifndef _NET_BATMAN_ADV_PACKET_H_ |
| 21 | #define _NET_BATMAN_ADV_PACKET_H_ |
| 22 | |
Sven Eckelmann | 7e071c7 | 2012-06-03 22:19:13 +0200 | [diff] [blame] | 23 | #define BATADV_ETH_P_BATMAN 0x4305 /* unofficial/not registered Ethertype */ |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 24 | |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 25 | enum batadv_packettype { |
| 26 | BATADV_IV_OGM = 0x01, |
| 27 | BATADV_ICMP = 0x02, |
| 28 | BATADV_UNICAST = 0x03, |
| 29 | BATADV_BCAST = 0x04, |
| 30 | BATADV_VIS = 0x05, |
| 31 | BATADV_UNICAST_FRAG = 0x06, |
| 32 | BATADV_TT_QUERY = 0x07, |
| 33 | BATADV_ROAM_ADV = 0x08, |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 34 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 35 | |
| 36 | /* this file is included by batctl which needs these defines */ |
Sven Eckelmann | 7e071c7 | 2012-06-03 22:19:13 +0200 | [diff] [blame] | 37 | #define BATADV_COMPAT_VERSION 14 |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 38 | |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 39 | enum batadv_iv_flags { |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame^] | 40 | BATADV_NOT_BEST_NEXT_HOP = BIT(3), |
| 41 | BATADV_PRIMARIES_FIRST_HOP = BIT(4), |
| 42 | BATADV_VIS_SERVER = BIT(5), |
| 43 | BATADV_DIRECTLINK = BIT(6), |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 44 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 45 | |
| 46 | /* ICMP message types */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 47 | enum batadv_icmp_packettype { |
| 48 | BATADV_ECHO_REPLY = 0, |
| 49 | BATADV_DESTINATION_UNREACHABLE = 3, |
| 50 | BATADV_ECHO_REQUEST = 8, |
| 51 | BATADV_TTL_EXCEEDED = 11, |
| 52 | BATADV_PARAMETER_PROBLEM = 12, |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 53 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 54 | |
| 55 | /* vis defines */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 56 | enum batadv_vis_packettype { |
| 57 | BATADV_VIS_TYPE_SERVER_SYNC = 0, |
| 58 | BATADV_VIS_TYPE_CLIENT_UPDATE = 1, |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 59 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 60 | |
| 61 | /* fragmentation defines */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 62 | enum batadv_unicast_frag_flags { |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame^] | 63 | BATADV_UNI_FRAG_HEAD = BIT(0), |
| 64 | BATADV_UNI_FRAG_LARGETAIL = BIT(1), |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 65 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 66 | |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 67 | /* TT_QUERY subtypes */ |
Sven Eckelmann | 7e071c7 | 2012-06-03 22:19:13 +0200 | [diff] [blame] | 68 | #define BATADV_TT_QUERY_TYPE_MASK 0x3 |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 69 | |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 70 | enum batadv_tt_query_packettype { |
| 71 | BATADV_TT_REQUEST = 0, |
| 72 | BATADV_TT_RESPONSE = 1, |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 73 | }; |
| 74 | |
| 75 | /* TT_QUERY flags */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 76 | enum batadv_tt_query_flags { |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame^] | 77 | BATADV_TT_FULL_TABLE = BIT(2), |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 78 | }; |
| 79 | |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 80 | /* BATADV_TT_CLIENT flags. |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame^] | 81 | * Flags from BIT(0) to BIT(7) are sent on the wire, while flags from BIT(8) to |
| 82 | * BIT(15) are used for local computation only |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 83 | */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 84 | enum batadv_tt_client_flags { |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame^] | 85 | BATADV_TT_CLIENT_DEL = BIT(0), |
| 86 | BATADV_TT_CLIENT_ROAM = BIT(1), |
| 87 | BATADV_TT_CLIENT_WIFI = BIT(2), |
| 88 | BATADV_TT_CLIENT_NOPURGE = BIT(8), |
| 89 | BATADV_TT_CLIENT_NEW = BIT(9), |
| 90 | BATADV_TT_CLIENT_PENDING = BIT(10), |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 91 | }; |
| 92 | |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 93 | /* claim frame types for the bridge loop avoidance */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 94 | enum batadv_bla_claimframe { |
Simon Wunderlich | 3eb8773 | 2012-06-23 12:34:18 +0200 | [diff] [blame] | 95 | BATADV_CLAIM_TYPE_CLAIM = 0x00, |
| 96 | BATADV_CLAIM_TYPE_UNCLAIM = 0x01, |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 97 | BATADV_CLAIM_TYPE_ANNOUNCE = 0x02, |
| 98 | BATADV_CLAIM_TYPE_REQUEST = 0x03, |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 99 | }; |
| 100 | |
| 101 | /* the destination hardware field in the ARP frame is used to |
| 102 | * transport the claim type and the group id |
| 103 | */ |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 104 | struct batadv_bla_claim_dst { |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 105 | uint8_t magic[3]; /* FF:43:05 */ |
| 106 | uint8_t type; /* bla_claimframe */ |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 107 | __be16 group; /* group id */ |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 108 | } __packed; |
| 109 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 110 | struct batadv_header { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 111 | uint8_t packet_type; |
| 112 | uint8_t version; /* batman version field */ |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 113 | uint8_t ttl; |
Sven Eckelmann | 76543d1 | 2011-11-20 15:47:38 +0100 | [diff] [blame] | 114 | } __packed; |
| 115 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 116 | struct batadv_ogm_packet { |
| 117 | struct batadv_header header; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 118 | uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ |
Al Viro | e0f5211 | 2012-04-22 07:46:29 +0100 | [diff] [blame] | 119 | __be32 seqno; |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 120 | uint8_t orig[ETH_ALEN]; |
| 121 | uint8_t prev_sender[ETH_ALEN]; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 122 | uint8_t gw_flags; /* flags related to gateway class */ |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 123 | uint8_t tq; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 124 | uint8_t tt_num_changes; |
| 125 | uint8_t ttvn; /* translation table version number */ |
Al Viro | 16a7034 | 2012-04-22 07:45:29 +0100 | [diff] [blame] | 126 | __be16 tt_crc; |
Sven Eckelmann | aa0adb1 | 2011-01-15 14:39:43 +0000 | [diff] [blame] | 127 | } __packed; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 128 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 129 | #define BATADV_OGM_HLEN sizeof(struct batadv_ogm_packet) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 130 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 131 | struct batadv_icmp_packet { |
| 132 | struct batadv_header header; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 133 | uint8_t msg_type; /* see ICMP message types above */ |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 134 | uint8_t dst[ETH_ALEN]; |
| 135 | uint8_t orig[ETH_ALEN]; |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 136 | __be16 seqno; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 137 | uint8_t uid; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 138 | uint8_t reserved; |
Sven Eckelmann | aa0adb1 | 2011-01-15 14:39:43 +0000 | [diff] [blame] | 139 | } __packed; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 140 | |
Sven Eckelmann | 7e071c7 | 2012-06-03 22:19:13 +0200 | [diff] [blame] | 141 | #define BATADV_RR_LEN 16 |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 142 | |
| 143 | /* icmp_packet_rr must start with all fields from imcp_packet |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 144 | * as this is assumed by code that handles ICMP packets |
| 145 | */ |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 146 | struct batadv_icmp_packet_rr { |
| 147 | struct batadv_header header; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 148 | uint8_t msg_type; /* see ICMP message types above */ |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 149 | uint8_t dst[ETH_ALEN]; |
| 150 | uint8_t orig[ETH_ALEN]; |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 151 | __be16 seqno; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 152 | uint8_t uid; |
| 153 | uint8_t rr_cur; |
Sven Eckelmann | 7e071c7 | 2012-06-03 22:19:13 +0200 | [diff] [blame] | 154 | uint8_t rr[BATADV_RR_LEN][ETH_ALEN]; |
Sven Eckelmann | aa0adb1 | 2011-01-15 14:39:43 +0000 | [diff] [blame] | 155 | } __packed; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 156 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 157 | struct batadv_unicast_packet { |
| 158 | struct batadv_header header; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 159 | uint8_t ttvn; /* destination translation table version number */ |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 160 | uint8_t dest[ETH_ALEN]; |
Sven Eckelmann | aa0adb1 | 2011-01-15 14:39:43 +0000 | [diff] [blame] | 161 | } __packed; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 162 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 163 | struct batadv_unicast_frag_packet { |
| 164 | struct batadv_header header; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 165 | uint8_t ttvn; /* destination translation table version number */ |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 166 | uint8_t dest[ETH_ALEN]; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 167 | uint8_t flags; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 168 | uint8_t align; |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 169 | uint8_t orig[ETH_ALEN]; |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 170 | __be16 seqno; |
Sven Eckelmann | aa0adb1 | 2011-01-15 14:39:43 +0000 | [diff] [blame] | 171 | } __packed; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 172 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 173 | struct batadv_bcast_packet { |
| 174 | struct batadv_header header; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 175 | uint8_t reserved; |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 176 | __be32 seqno; |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 177 | uint8_t orig[ETH_ALEN]; |
Sven Eckelmann | aa0adb1 | 2011-01-15 14:39:43 +0000 | [diff] [blame] | 178 | } __packed; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 179 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 180 | struct batadv_vis_packet { |
| 181 | struct batadv_header header; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 182 | uint8_t vis_type; /* which type of vis-participant sent this? */ |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 183 | __be32 seqno; /* sequence number */ |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 184 | uint8_t entries; /* number of entries behind this struct */ |
| 185 | uint8_t reserved; |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 186 | uint8_t vis_orig[ETH_ALEN]; /* originator reporting its neighbors */ |
| 187 | uint8_t target_orig[ETH_ALEN]; /* who should receive this packet */ |
| 188 | uint8_t sender_orig[ETH_ALEN]; /* who sent or forwarded this packet */ |
Sven Eckelmann | aa0adb1 | 2011-01-15 14:39:43 +0000 | [diff] [blame] | 189 | } __packed; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 190 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 191 | struct batadv_tt_query_packet { |
| 192 | struct batadv_header header; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 193 | /* the flag field is a combination of: |
| 194 | * - TT_REQUEST or TT_RESPONSE |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 195 | * - TT_FULL_TABLE |
| 196 | */ |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 197 | uint8_t flags; |
| 198 | uint8_t dst[ETH_ALEN]; |
| 199 | uint8_t src[ETH_ALEN]; |
| 200 | /* the ttvn field is: |
| 201 | * if TT_REQUEST: ttvn that triggered the |
| 202 | * request |
| 203 | * if TT_RESPONSE: new ttvn for the src |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 204 | * orig_node |
| 205 | */ |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 206 | uint8_t ttvn; |
| 207 | /* tt_data field is: |
| 208 | * if TT_REQUEST: crc associated with the |
| 209 | * ttvn |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 210 | * if TT_RESPONSE: table_size |
| 211 | */ |
| 212 | __be16 tt_data; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 213 | } __packed; |
| 214 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 215 | struct batadv_roam_adv_packet { |
| 216 | struct batadv_header header; |
Antonio Quartulli | cc47f66 | 2011-04-27 14:27:57 +0200 | [diff] [blame] | 217 | uint8_t reserved; |
| 218 | uint8_t dst[ETH_ALEN]; |
| 219 | uint8_t src[ETH_ALEN]; |
| 220 | uint8_t client[ETH_ALEN]; |
| 221 | } __packed; |
| 222 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 223 | struct batadv_tt_change { |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 224 | uint8_t flags; |
| 225 | uint8_t addr[ETH_ALEN]; |
| 226 | } __packed; |
| 227 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 228 | #endif /* _NET_BATMAN_ADV_PACKET_H_ */ |