Antonio Quartulli | 0b87393 | 2013-01-04 03:05:31 +0100 | [diff] [blame] | 1 | /* Copyright (C) 2007-2013 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 | |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 23 | /** |
| 24 | * enum batadv_packettype - types for batman-adv encapsulated packets |
| 25 | * @BATADV_UNICAST_TVLV: unicast packet carrying TVLV containers |
| 26 | */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 27 | enum batadv_packettype { |
Antonio Quartulli | 7cdcf6d | 2012-10-01 09:57:35 +0200 | [diff] [blame] | 28 | BATADV_IV_OGM = 0x01, |
| 29 | BATADV_ICMP = 0x02, |
| 30 | BATADV_UNICAST = 0x03, |
| 31 | BATADV_BCAST = 0x04, |
| 32 | BATADV_VIS = 0x05, |
| 33 | BATADV_UNICAST_FRAG = 0x06, |
| 34 | BATADV_TT_QUERY = 0x07, |
| 35 | BATADV_ROAM_ADV = 0x08, |
| 36 | BATADV_UNICAST_4ADDR = 0x09, |
Martin Hundebøll | 3c12de9 | 2013-01-25 11:12:41 +0100 | [diff] [blame] | 37 | BATADV_CODED = 0x0a, |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 38 | BATADV_UNICAST_TVLV = 0x0b, |
Antonio Quartulli | 7cdcf6d | 2012-10-01 09:57:35 +0200 | [diff] [blame] | 39 | }; |
| 40 | |
| 41 | /** |
| 42 | * enum batadv_subtype - packet subtype for unicast4addr |
| 43 | * @BATADV_P_DATA: user payload |
Antonio Quartulli | 5c3a0e5 | 2011-06-02 12:29:51 +0200 | [diff] [blame] | 44 | * @BATADV_P_DAT_DHT_GET: DHT request message |
| 45 | * @BATADV_P_DAT_DHT_PUT: DHT store message |
| 46 | * @BATADV_P_DAT_CACHE_REPLY: ARP reply generated by DAT |
Antonio Quartulli | 7cdcf6d | 2012-10-01 09:57:35 +0200 | [diff] [blame] | 47 | */ |
| 48 | enum batadv_subtype { |
Antonio Quartulli | 5c3a0e5 | 2011-06-02 12:29:51 +0200 | [diff] [blame] | 49 | BATADV_P_DATA = 0x01, |
| 50 | BATADV_P_DAT_DHT_GET = 0x02, |
| 51 | BATADV_P_DAT_DHT_PUT = 0x03, |
| 52 | BATADV_P_DAT_CACHE_REPLY = 0x04, |
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 | /* this file is included by batctl which needs these defines */ |
Antonio Quartulli | 60cf798 | 2013-04-20 15:59:13 +0200 | [diff] [blame] | 56 | #define BATADV_COMPAT_VERSION 15 |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 57 | |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 58 | enum batadv_iv_flags { |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame] | 59 | BATADV_NOT_BEST_NEXT_HOP = BIT(3), |
| 60 | BATADV_PRIMARIES_FIRST_HOP = BIT(4), |
| 61 | BATADV_VIS_SERVER = BIT(5), |
| 62 | BATADV_DIRECTLINK = BIT(6), |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 63 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 64 | |
| 65 | /* ICMP message types */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 66 | enum batadv_icmp_packettype { |
| 67 | BATADV_ECHO_REPLY = 0, |
| 68 | BATADV_DESTINATION_UNREACHABLE = 3, |
| 69 | BATADV_ECHO_REQUEST = 8, |
| 70 | BATADV_TTL_EXCEEDED = 11, |
| 71 | BATADV_PARAMETER_PROBLEM = 12, |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 72 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 73 | |
| 74 | /* vis defines */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 75 | enum batadv_vis_packettype { |
| 76 | BATADV_VIS_TYPE_SERVER_SYNC = 0, |
| 77 | BATADV_VIS_TYPE_CLIENT_UPDATE = 1, |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 78 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 79 | |
| 80 | /* fragmentation defines */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 81 | enum batadv_unicast_frag_flags { |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame] | 82 | BATADV_UNI_FRAG_HEAD = BIT(0), |
| 83 | BATADV_UNI_FRAG_LARGETAIL = BIT(1), |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 84 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 85 | |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 86 | /* TT_QUERY subtypes */ |
Sven Eckelmann | 7e071c7 | 2012-06-03 22:19:13 +0200 | [diff] [blame] | 87 | #define BATADV_TT_QUERY_TYPE_MASK 0x3 |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 88 | |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 89 | enum batadv_tt_query_packettype { |
| 90 | BATADV_TT_REQUEST = 0, |
| 91 | BATADV_TT_RESPONSE = 1, |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 92 | }; |
| 93 | |
| 94 | /* TT_QUERY flags */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 95 | enum batadv_tt_query_flags { |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame] | 96 | BATADV_TT_FULL_TABLE = BIT(2), |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 97 | }; |
| 98 | |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 99 | /* BATADV_TT_CLIENT flags. |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame] | 100 | * Flags from BIT(0) to BIT(7) are sent on the wire, while flags from BIT(8) to |
| 101 | * BIT(15) are used for local computation only |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 102 | */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 103 | enum batadv_tt_client_flags { |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame] | 104 | BATADV_TT_CLIENT_DEL = BIT(0), |
| 105 | BATADV_TT_CLIENT_ROAM = BIT(1), |
| 106 | BATADV_TT_CLIENT_WIFI = BIT(2), |
Antonio Quartulli | 30cfd02 | 2012-07-05 23:38:29 +0200 | [diff] [blame] | 107 | BATADV_TT_CLIENT_TEMP = BIT(3), |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame] | 108 | BATADV_TT_CLIENT_NOPURGE = BIT(8), |
| 109 | BATADV_TT_CLIENT_NEW = BIT(9), |
| 110 | BATADV_TT_CLIENT_PENDING = BIT(10), |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 111 | }; |
| 112 | |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 113 | /* claim frame types for the bridge loop avoidance */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 114 | enum batadv_bla_claimframe { |
Simon Wunderlich | 3eb8773 | 2012-06-23 12:34:18 +0200 | [diff] [blame] | 115 | BATADV_CLAIM_TYPE_CLAIM = 0x00, |
| 116 | BATADV_CLAIM_TYPE_UNCLAIM = 0x01, |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 117 | BATADV_CLAIM_TYPE_ANNOUNCE = 0x02, |
| 118 | BATADV_CLAIM_TYPE_REQUEST = 0x03, |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 119 | }; |
| 120 | |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 121 | /** |
| 122 | * enum batadv_tvlv_type - tvlv type definitions |
| 123 | * @BATADV_TVLV_GW: gateway tvlv |
Marek Lindner | 17cf0ea | 2013-04-23 21:39:59 +0800 | [diff] [blame] | 124 | * @BATADV_TVLV_DAT: distributed arp table tvlv |
Marek Lindner | 3f4841f | 2013-04-23 21:40:00 +0800 | [diff] [blame^] | 125 | * @BATADV_TVLV_NC: network coding tvlv |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 126 | */ |
| 127 | enum batadv_tvlv_type { |
| 128 | BATADV_TVLV_GW = 0x01, |
Marek Lindner | 17cf0ea | 2013-04-23 21:39:59 +0800 | [diff] [blame] | 129 | BATADV_TVLV_DAT = 0x02, |
Marek Lindner | 3f4841f | 2013-04-23 21:40:00 +0800 | [diff] [blame^] | 130 | BATADV_TVLV_NC = 0x03, |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 131 | }; |
| 132 | |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 133 | /* the destination hardware field in the ARP frame is used to |
| 134 | * transport the claim type and the group id |
| 135 | */ |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 136 | struct batadv_bla_claim_dst { |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 137 | uint8_t magic[3]; /* FF:43:05 */ |
| 138 | uint8_t type; /* bla_claimframe */ |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 139 | __be16 group; /* group id */ |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 140 | }; |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 141 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 142 | struct batadv_header { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 143 | uint8_t packet_type; |
| 144 | uint8_t version; /* batman version field */ |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 145 | uint8_t ttl; |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 146 | /* the parent struct has to add a byte after the header to make |
| 147 | * everything 4 bytes aligned again |
| 148 | */ |
| 149 | }; |
Sven Eckelmann | 76543d1 | 2011-11-20 15:47:38 +0100 | [diff] [blame] | 150 | |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 151 | /** |
| 152 | * struct batadv_ogm_packet - ogm (routing protocol) packet |
| 153 | * @header: common batman packet header |
| 154 | * @tvlv_len: length of tvlv data following the ogm header |
| 155 | */ |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 156 | struct batadv_ogm_packet { |
| 157 | struct batadv_header header; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 158 | uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ |
Al Viro | e0f5211 | 2012-04-22 07:46:29 +0100 | [diff] [blame] | 159 | __be32 seqno; |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 160 | uint8_t orig[ETH_ALEN]; |
| 161 | uint8_t prev_sender[ETH_ALEN]; |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 162 | uint8_t reserved; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 163 | uint8_t tq; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 164 | uint8_t tt_num_changes; |
| 165 | uint8_t ttvn; /* translation table version number */ |
Al Viro | 16a7034 | 2012-04-22 07:45:29 +0100 | [diff] [blame] | 166 | __be16 tt_crc; |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 167 | __be16 tvlv_len; |
Sven Eckelmann | aa0adb1 | 2011-01-15 14:39:43 +0000 | [diff] [blame] | 168 | } __packed; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 169 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 170 | #define BATADV_OGM_HLEN sizeof(struct batadv_ogm_packet) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 171 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 172 | struct batadv_icmp_packet { |
| 173 | struct batadv_header header; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 174 | uint8_t msg_type; /* see ICMP message types above */ |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 175 | uint8_t dst[ETH_ALEN]; |
| 176 | uint8_t orig[ETH_ALEN]; |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 177 | __be16 seqno; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 178 | uint8_t uid; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 179 | uint8_t reserved; |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 180 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 181 | |
Sven Eckelmann | 7e071c7 | 2012-06-03 22:19:13 +0200 | [diff] [blame] | 182 | #define BATADV_RR_LEN 16 |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 183 | |
| 184 | /* icmp_packet_rr must start with all fields from imcp_packet |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 185 | * as this is assumed by code that handles ICMP packets |
| 186 | */ |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 187 | struct batadv_icmp_packet_rr { |
| 188 | struct batadv_header header; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 189 | uint8_t msg_type; /* see ICMP message types above */ |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 190 | uint8_t dst[ETH_ALEN]; |
| 191 | uint8_t orig[ETH_ALEN]; |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 192 | __be16 seqno; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 193 | uint8_t uid; |
| 194 | uint8_t rr_cur; |
Sven Eckelmann | 7e071c7 | 2012-06-03 22:19:13 +0200 | [diff] [blame] | 195 | uint8_t rr[BATADV_RR_LEN][ETH_ALEN]; |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 196 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 197 | |
Sven Eckelmann | e022b95 | 2012-11-05 21:25:27 +0100 | [diff] [blame] | 198 | /* All packet headers in front of an ethernet header have to be completely |
| 199 | * divisible by 2 but not by 4 to make the payload after the ethernet |
| 200 | * header again 4 bytes boundary aligned. |
| 201 | * |
| 202 | * A packing of 2 is necessary to avoid extra padding at the end of the struct |
| 203 | * caused by a structure member which is larger than two bytes. Otherwise |
| 204 | * the structure would not fulfill the previously mentioned rule to avoid the |
| 205 | * misalignment of the payload after the ethernet header. It may also lead to |
| 206 | * leakage of information when the padding it not initialized before sending. |
| 207 | */ |
| 208 | #pragma pack(2) |
| 209 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 210 | struct batadv_unicast_packet { |
| 211 | struct batadv_header header; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 212 | uint8_t ttvn; /* destination translation table version number */ |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 213 | uint8_t dest[ETH_ALEN]; |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 214 | /* "4 bytes boundary + 2 bytes" long to make the payload after the |
| 215 | * following ethernet header again 4 bytes boundary aligned |
| 216 | */ |
| 217 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 218 | |
Antonio Quartulli | 7cdcf6d | 2012-10-01 09:57:35 +0200 | [diff] [blame] | 219 | /** |
| 220 | * struct batadv_unicast_4addr_packet - extended unicast packet |
| 221 | * @u: common unicast packet header |
| 222 | * @src: address of the source |
| 223 | * @subtype: packet subtype |
| 224 | */ |
| 225 | struct batadv_unicast_4addr_packet { |
| 226 | struct batadv_unicast_packet u; |
| 227 | uint8_t src[ETH_ALEN]; |
| 228 | uint8_t subtype; |
| 229 | uint8_t reserved; |
| 230 | /* "4 bytes boundary + 2 bytes" long to make the payload after the |
| 231 | * following ethernet header again 4 bytes boundary aligned |
| 232 | */ |
| 233 | }; |
| 234 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 235 | struct batadv_unicast_frag_packet { |
| 236 | struct batadv_header header; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 237 | uint8_t ttvn; /* destination translation table version number */ |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 238 | uint8_t dest[ETH_ALEN]; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 239 | uint8_t flags; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 240 | uint8_t align; |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 241 | uint8_t orig[ETH_ALEN]; |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 242 | __be16 seqno; |
Sven Eckelmann | aa0adb1 | 2011-01-15 14:39:43 +0000 | [diff] [blame] | 243 | } __packed; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 244 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 245 | struct batadv_bcast_packet { |
| 246 | struct batadv_header header; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 247 | uint8_t reserved; |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 248 | __be32 seqno; |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 249 | uint8_t orig[ETH_ALEN]; |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 250 | /* "4 bytes boundary + 2 bytes" long to make the payload after the |
| 251 | * following ethernet header again 4 bytes boundary aligned |
| 252 | */ |
Sven Eckelmann | e022b95 | 2012-11-05 21:25:27 +0100 | [diff] [blame] | 253 | }; |
| 254 | |
| 255 | #pragma pack() |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 256 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 257 | struct batadv_vis_packet { |
| 258 | struct batadv_header header; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 259 | uint8_t vis_type; /* which type of vis-participant sent this? */ |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 260 | __be32 seqno; /* sequence number */ |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 261 | uint8_t entries; /* number of entries behind this struct */ |
| 262 | uint8_t reserved; |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 263 | uint8_t vis_orig[ETH_ALEN]; /* originator reporting its neighbors */ |
| 264 | uint8_t target_orig[ETH_ALEN]; /* who should receive this packet */ |
| 265 | uint8_t sender_orig[ETH_ALEN]; /* who sent or forwarded this packet */ |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 266 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 267 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 268 | struct batadv_tt_query_packet { |
| 269 | struct batadv_header header; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 270 | /* the flag field is a combination of: |
| 271 | * - TT_REQUEST or TT_RESPONSE |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 272 | * - TT_FULL_TABLE |
| 273 | */ |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 274 | uint8_t flags; |
| 275 | uint8_t dst[ETH_ALEN]; |
| 276 | uint8_t src[ETH_ALEN]; |
| 277 | /* the ttvn field is: |
| 278 | * if TT_REQUEST: ttvn that triggered the |
| 279 | * request |
| 280 | * if TT_RESPONSE: new ttvn for the src |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 281 | * orig_node |
| 282 | */ |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 283 | uint8_t ttvn; |
| 284 | /* tt_data field is: |
| 285 | * if TT_REQUEST: crc associated with the |
| 286 | * ttvn |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 287 | * if TT_RESPONSE: table_size |
| 288 | */ |
| 289 | __be16 tt_data; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 290 | } __packed; |
| 291 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 292 | struct batadv_roam_adv_packet { |
| 293 | struct batadv_header header; |
Antonio Quartulli | cc47f66 | 2011-04-27 14:27:57 +0200 | [diff] [blame] | 294 | uint8_t reserved; |
| 295 | uint8_t dst[ETH_ALEN]; |
| 296 | uint8_t src[ETH_ALEN]; |
| 297 | uint8_t client[ETH_ALEN]; |
| 298 | } __packed; |
| 299 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 300 | struct batadv_tt_change { |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 301 | uint8_t flags; |
| 302 | uint8_t addr[ETH_ALEN]; |
| 303 | } __packed; |
| 304 | |
Martin Hundebøll | 3c12de9 | 2013-01-25 11:12:41 +0100 | [diff] [blame] | 305 | /** |
| 306 | * struct batadv_coded_packet - network coded packet |
| 307 | * @header: common batman packet header and ttl of first included packet |
| 308 | * @reserved: Align following fields to 2-byte boundaries |
| 309 | * @first_source: original source of first included packet |
| 310 | * @first_orig_dest: original destinal of first included packet |
| 311 | * @first_crc: checksum of first included packet |
| 312 | * @first_ttvn: tt-version number of first included packet |
| 313 | * @second_ttl: ttl of second packet |
| 314 | * @second_dest: second receiver of this coded packet |
| 315 | * @second_source: original source of second included packet |
| 316 | * @second_orig_dest: original destination of second included packet |
| 317 | * @second_crc: checksum of second included packet |
| 318 | * @second_ttvn: tt version number of second included packet |
| 319 | * @coded_len: length of network coded part of the payload |
| 320 | */ |
| 321 | struct batadv_coded_packet { |
| 322 | struct batadv_header header; |
| 323 | uint8_t first_ttvn; |
| 324 | /* uint8_t first_dest[ETH_ALEN]; - saved in mac header destination */ |
| 325 | uint8_t first_source[ETH_ALEN]; |
| 326 | uint8_t first_orig_dest[ETH_ALEN]; |
| 327 | __be32 first_crc; |
| 328 | uint8_t second_ttl; |
| 329 | uint8_t second_ttvn; |
| 330 | uint8_t second_dest[ETH_ALEN]; |
| 331 | uint8_t second_source[ETH_ALEN]; |
| 332 | uint8_t second_orig_dest[ETH_ALEN]; |
| 333 | __be32 second_crc; |
Martin Hundebøll | e6a0b49 | 2013-03-14 21:30:21 +0100 | [diff] [blame] | 334 | __be16 coded_len; |
Martin Hundebøll | 3c12de9 | 2013-01-25 11:12:41 +0100 | [diff] [blame] | 335 | }; |
| 336 | |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 337 | /** |
| 338 | * struct batadv_unicast_tvlv - generic unicast packet with tvlv payload |
| 339 | * @header: common batman packet header |
| 340 | * @reserved: reserved field (for packet alignment) |
| 341 | * @src: address of the source |
| 342 | * @dst: address of the destination |
| 343 | * @tvlv_len: length of tvlv data following the unicast tvlv header |
| 344 | * @align: 2 bytes to align the header to a 4 byte boundry |
| 345 | */ |
| 346 | struct batadv_unicast_tvlv_packet { |
| 347 | struct batadv_header header; |
| 348 | uint8_t reserved; |
| 349 | uint8_t dst[ETH_ALEN]; |
| 350 | uint8_t src[ETH_ALEN]; |
| 351 | __be16 tvlv_len; |
| 352 | uint16_t align; |
| 353 | }; |
| 354 | |
| 355 | /** |
| 356 | * struct batadv_tvlv_hdr - base tvlv header struct |
| 357 | * @type: tvlv container type (see batadv_tvlv_type) |
| 358 | * @version: tvlv container version |
| 359 | * @len: tvlv container length |
| 360 | */ |
| 361 | struct batadv_tvlv_hdr { |
| 362 | uint8_t type; |
| 363 | uint8_t version; |
| 364 | __be16 len; |
| 365 | }; |
| 366 | |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 367 | /** |
| 368 | * struct batadv_tvlv_gateway_data - gateway data propagated through gw tvlv |
| 369 | * container |
| 370 | * @bandwidth_down: advertised uplink download bandwidth |
| 371 | * @bandwidth_up: advertised uplink upload bandwidth |
| 372 | */ |
| 373 | struct batadv_tvlv_gateway_data { |
| 374 | __be32 bandwidth_down; |
| 375 | __be32 bandwidth_up; |
| 376 | }; |
| 377 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 378 | #endif /* _NET_BATMAN_ADV_PACKET_H_ */ |