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 | |
Marek Lindner | e1bf0c1 | 2013-04-23 21:40:01 +0800 | [diff] [blame^] | 89 | /* tt data subtypes */ |
| 90 | #define BATADV_TT_DATA_TYPE_MASK 0x0F |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 91 | |
Marek Lindner | e1bf0c1 | 2013-04-23 21:40:01 +0800 | [diff] [blame^] | 92 | /** |
| 93 | * enum batadv_tt_data_flags - flags for tt data tvlv |
| 94 | * @BATADV_TT_OGM_DIFF: TT diff propagated through OGM |
| 95 | * @BATADV_TT_REQUEST: TT request message |
| 96 | * @BATADV_TT_RESPONSE: TT response message |
| 97 | * @BATADV_TT_FULL_TABLE: contains full table to replace existing table |
| 98 | */ |
| 99 | enum batadv_tt_data_flags { |
| 100 | BATADV_TT_OGM_DIFF = BIT(0), |
| 101 | BATADV_TT_REQUEST = BIT(1), |
| 102 | BATADV_TT_RESPONSE = BIT(2), |
| 103 | BATADV_TT_FULL_TABLE = BIT(4), |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 104 | }; |
| 105 | |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 106 | /* BATADV_TT_CLIENT flags. |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame] | 107 | * Flags from BIT(0) to BIT(7) are sent on the wire, while flags from BIT(8) to |
| 108 | * BIT(15) are used for local computation only |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 109 | */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 110 | enum batadv_tt_client_flags { |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame] | 111 | BATADV_TT_CLIENT_DEL = BIT(0), |
| 112 | BATADV_TT_CLIENT_ROAM = BIT(1), |
| 113 | BATADV_TT_CLIENT_WIFI = BIT(2), |
Antonio Quartulli | 30cfd02 | 2012-07-05 23:38:29 +0200 | [diff] [blame] | 114 | BATADV_TT_CLIENT_TEMP = BIT(3), |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame] | 115 | BATADV_TT_CLIENT_NOPURGE = BIT(8), |
| 116 | BATADV_TT_CLIENT_NEW = BIT(9), |
| 117 | BATADV_TT_CLIENT_PENDING = BIT(10), |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 118 | }; |
| 119 | |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 120 | /* claim frame types for the bridge loop avoidance */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 121 | enum batadv_bla_claimframe { |
Simon Wunderlich | 3eb8773 | 2012-06-23 12:34:18 +0200 | [diff] [blame] | 122 | BATADV_CLAIM_TYPE_CLAIM = 0x00, |
| 123 | BATADV_CLAIM_TYPE_UNCLAIM = 0x01, |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 124 | BATADV_CLAIM_TYPE_ANNOUNCE = 0x02, |
| 125 | BATADV_CLAIM_TYPE_REQUEST = 0x03, |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 126 | }; |
| 127 | |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 128 | /** |
| 129 | * enum batadv_tvlv_type - tvlv type definitions |
| 130 | * @BATADV_TVLV_GW: gateway tvlv |
Marek Lindner | 17cf0ea | 2013-04-23 21:39:59 +0800 | [diff] [blame] | 131 | * @BATADV_TVLV_DAT: distributed arp table tvlv |
Marek Lindner | 3f4841f | 2013-04-23 21:40:00 +0800 | [diff] [blame] | 132 | * @BATADV_TVLV_NC: network coding tvlv |
Marek Lindner | e1bf0c1 | 2013-04-23 21:40:01 +0800 | [diff] [blame^] | 133 | * @BATADV_TVLV_TT: translation table tvlv |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 134 | */ |
| 135 | enum batadv_tvlv_type { |
| 136 | BATADV_TVLV_GW = 0x01, |
Marek Lindner | 17cf0ea | 2013-04-23 21:39:59 +0800 | [diff] [blame] | 137 | BATADV_TVLV_DAT = 0x02, |
Marek Lindner | 3f4841f | 2013-04-23 21:40:00 +0800 | [diff] [blame] | 138 | BATADV_TVLV_NC = 0x03, |
Marek Lindner | e1bf0c1 | 2013-04-23 21:40:01 +0800 | [diff] [blame^] | 139 | BATADV_TVLV_TT = 0x04, |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 140 | }; |
| 141 | |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 142 | /* the destination hardware field in the ARP frame is used to |
| 143 | * transport the claim type and the group id |
| 144 | */ |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 145 | struct batadv_bla_claim_dst { |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 146 | uint8_t magic[3]; /* FF:43:05 */ |
| 147 | uint8_t type; /* bla_claimframe */ |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 148 | __be16 group; /* group id */ |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 149 | }; |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 150 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 151 | struct batadv_header { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 152 | uint8_t packet_type; |
| 153 | uint8_t version; /* batman version field */ |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 154 | uint8_t ttl; |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 155 | /* the parent struct has to add a byte after the header to make |
| 156 | * everything 4 bytes aligned again |
| 157 | */ |
| 158 | }; |
Sven Eckelmann | 76543d1 | 2011-11-20 15:47:38 +0100 | [diff] [blame] | 159 | |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 160 | /** |
| 161 | * struct batadv_ogm_packet - ogm (routing protocol) packet |
| 162 | * @header: common batman packet header |
| 163 | * @tvlv_len: length of tvlv data following the ogm header |
| 164 | */ |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 165 | struct batadv_ogm_packet { |
| 166 | struct batadv_header header; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 167 | uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ |
Al Viro | e0f5211 | 2012-04-22 07:46:29 +0100 | [diff] [blame] | 168 | __be32 seqno; |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 169 | uint8_t orig[ETH_ALEN]; |
| 170 | uint8_t prev_sender[ETH_ALEN]; |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 171 | uint8_t reserved; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 172 | uint8_t tq; |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 173 | __be16 tvlv_len; |
Sven Eckelmann | aa0adb1 | 2011-01-15 14:39:43 +0000 | [diff] [blame] | 174 | } __packed; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 175 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 176 | #define BATADV_OGM_HLEN sizeof(struct batadv_ogm_packet) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 177 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 178 | struct batadv_icmp_packet { |
| 179 | struct batadv_header header; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 180 | uint8_t msg_type; /* see ICMP message types above */ |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 181 | uint8_t dst[ETH_ALEN]; |
| 182 | uint8_t orig[ETH_ALEN]; |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 183 | __be16 seqno; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 184 | uint8_t uid; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 185 | uint8_t reserved; |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 186 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 187 | |
Sven Eckelmann | 7e071c7 | 2012-06-03 22:19:13 +0200 | [diff] [blame] | 188 | #define BATADV_RR_LEN 16 |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 189 | |
| 190 | /* icmp_packet_rr must start with all fields from imcp_packet |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 191 | * as this is assumed by code that handles ICMP packets |
| 192 | */ |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 193 | struct batadv_icmp_packet_rr { |
| 194 | struct batadv_header header; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 195 | uint8_t msg_type; /* see ICMP message types above */ |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 196 | uint8_t dst[ETH_ALEN]; |
| 197 | uint8_t orig[ETH_ALEN]; |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 198 | __be16 seqno; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 199 | uint8_t uid; |
| 200 | uint8_t rr_cur; |
Sven Eckelmann | 7e071c7 | 2012-06-03 22:19:13 +0200 | [diff] [blame] | 201 | uint8_t rr[BATADV_RR_LEN][ETH_ALEN]; |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 202 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 203 | |
Sven Eckelmann | e022b95 | 2012-11-05 21:25:27 +0100 | [diff] [blame] | 204 | /* All packet headers in front of an ethernet header have to be completely |
| 205 | * divisible by 2 but not by 4 to make the payload after the ethernet |
| 206 | * header again 4 bytes boundary aligned. |
| 207 | * |
| 208 | * A packing of 2 is necessary to avoid extra padding at the end of the struct |
| 209 | * caused by a structure member which is larger than two bytes. Otherwise |
| 210 | * the structure would not fulfill the previously mentioned rule to avoid the |
| 211 | * misalignment of the payload after the ethernet header. It may also lead to |
| 212 | * leakage of information when the padding it not initialized before sending. |
| 213 | */ |
| 214 | #pragma pack(2) |
| 215 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 216 | struct batadv_unicast_packet { |
| 217 | struct batadv_header header; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 218 | uint8_t ttvn; /* destination translation table version number */ |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 219 | uint8_t dest[ETH_ALEN]; |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 220 | /* "4 bytes boundary + 2 bytes" long to make the payload after the |
| 221 | * following ethernet header again 4 bytes boundary aligned |
| 222 | */ |
| 223 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 224 | |
Antonio Quartulli | 7cdcf6d | 2012-10-01 09:57:35 +0200 | [diff] [blame] | 225 | /** |
| 226 | * struct batadv_unicast_4addr_packet - extended unicast packet |
| 227 | * @u: common unicast packet header |
| 228 | * @src: address of the source |
| 229 | * @subtype: packet subtype |
| 230 | */ |
| 231 | struct batadv_unicast_4addr_packet { |
| 232 | struct batadv_unicast_packet u; |
| 233 | uint8_t src[ETH_ALEN]; |
| 234 | uint8_t subtype; |
| 235 | uint8_t reserved; |
| 236 | /* "4 bytes boundary + 2 bytes" long to make the payload after the |
| 237 | * following ethernet header again 4 bytes boundary aligned |
| 238 | */ |
| 239 | }; |
| 240 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 241 | struct batadv_unicast_frag_packet { |
| 242 | struct batadv_header header; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 243 | uint8_t ttvn; /* destination translation table version number */ |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 244 | uint8_t dest[ETH_ALEN]; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 245 | uint8_t flags; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 246 | uint8_t align; |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 247 | uint8_t orig[ETH_ALEN]; |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 248 | __be16 seqno; |
Sven Eckelmann | aa0adb1 | 2011-01-15 14:39:43 +0000 | [diff] [blame] | 249 | } __packed; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 250 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 251 | struct batadv_bcast_packet { |
| 252 | struct batadv_header header; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 253 | uint8_t reserved; |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 254 | __be32 seqno; |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 255 | uint8_t orig[ETH_ALEN]; |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 256 | /* "4 bytes boundary + 2 bytes" long to make the payload after the |
| 257 | * following ethernet header again 4 bytes boundary aligned |
| 258 | */ |
Sven Eckelmann | e022b95 | 2012-11-05 21:25:27 +0100 | [diff] [blame] | 259 | }; |
| 260 | |
| 261 | #pragma pack() |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 262 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 263 | struct batadv_vis_packet { |
| 264 | struct batadv_header header; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 265 | uint8_t vis_type; /* which type of vis-participant sent this? */ |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 266 | __be32 seqno; /* sequence number */ |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 267 | uint8_t entries; /* number of entries behind this struct */ |
| 268 | uint8_t reserved; |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 269 | uint8_t vis_orig[ETH_ALEN]; /* originator reporting its neighbors */ |
| 270 | uint8_t target_orig[ETH_ALEN]; /* who should receive this packet */ |
| 271 | uint8_t sender_orig[ETH_ALEN]; /* who sent or forwarded this packet */ |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 272 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 273 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 274 | struct batadv_tt_query_packet { |
| 275 | struct batadv_header header; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 276 | /* the flag field is a combination of: |
| 277 | * - TT_REQUEST or TT_RESPONSE |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 278 | * - TT_FULL_TABLE |
| 279 | */ |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 280 | uint8_t flags; |
| 281 | uint8_t dst[ETH_ALEN]; |
| 282 | uint8_t src[ETH_ALEN]; |
| 283 | /* the ttvn field is: |
| 284 | * if TT_REQUEST: ttvn that triggered the |
| 285 | * request |
| 286 | * if TT_RESPONSE: new ttvn for the src |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 287 | * orig_node |
| 288 | */ |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 289 | uint8_t ttvn; |
| 290 | /* tt_data field is: |
| 291 | * if TT_REQUEST: crc associated with the |
| 292 | * ttvn |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 293 | * if TT_RESPONSE: table_size |
| 294 | */ |
| 295 | __be16 tt_data; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 296 | } __packed; |
| 297 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 298 | struct batadv_roam_adv_packet { |
| 299 | struct batadv_header header; |
Antonio Quartulli | cc47f66 | 2011-04-27 14:27:57 +0200 | [diff] [blame] | 300 | uint8_t reserved; |
| 301 | uint8_t dst[ETH_ALEN]; |
| 302 | uint8_t src[ETH_ALEN]; |
| 303 | uint8_t client[ETH_ALEN]; |
| 304 | } __packed; |
| 305 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 306 | struct batadv_tt_change { |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 307 | uint8_t flags; |
| 308 | uint8_t addr[ETH_ALEN]; |
| 309 | } __packed; |
| 310 | |
Martin Hundebøll | 3c12de9 | 2013-01-25 11:12:41 +0100 | [diff] [blame] | 311 | /** |
| 312 | * struct batadv_coded_packet - network coded packet |
| 313 | * @header: common batman packet header and ttl of first included packet |
| 314 | * @reserved: Align following fields to 2-byte boundaries |
| 315 | * @first_source: original source of first included packet |
| 316 | * @first_orig_dest: original destinal of first included packet |
| 317 | * @first_crc: checksum of first included packet |
| 318 | * @first_ttvn: tt-version number of first included packet |
| 319 | * @second_ttl: ttl of second packet |
| 320 | * @second_dest: second receiver of this coded packet |
| 321 | * @second_source: original source of second included packet |
| 322 | * @second_orig_dest: original destination of second included packet |
| 323 | * @second_crc: checksum of second included packet |
| 324 | * @second_ttvn: tt version number of second included packet |
| 325 | * @coded_len: length of network coded part of the payload |
| 326 | */ |
| 327 | struct batadv_coded_packet { |
| 328 | struct batadv_header header; |
| 329 | uint8_t first_ttvn; |
| 330 | /* uint8_t first_dest[ETH_ALEN]; - saved in mac header destination */ |
| 331 | uint8_t first_source[ETH_ALEN]; |
| 332 | uint8_t first_orig_dest[ETH_ALEN]; |
| 333 | __be32 first_crc; |
| 334 | uint8_t second_ttl; |
| 335 | uint8_t second_ttvn; |
| 336 | uint8_t second_dest[ETH_ALEN]; |
| 337 | uint8_t second_source[ETH_ALEN]; |
| 338 | uint8_t second_orig_dest[ETH_ALEN]; |
| 339 | __be32 second_crc; |
Martin Hundebøll | e6a0b49 | 2013-03-14 21:30:21 +0100 | [diff] [blame] | 340 | __be16 coded_len; |
Martin Hundebøll | 3c12de9 | 2013-01-25 11:12:41 +0100 | [diff] [blame] | 341 | }; |
| 342 | |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 343 | /** |
| 344 | * struct batadv_unicast_tvlv - generic unicast packet with tvlv payload |
| 345 | * @header: common batman packet header |
| 346 | * @reserved: reserved field (for packet alignment) |
| 347 | * @src: address of the source |
| 348 | * @dst: address of the destination |
| 349 | * @tvlv_len: length of tvlv data following the unicast tvlv header |
| 350 | * @align: 2 bytes to align the header to a 4 byte boundry |
| 351 | */ |
| 352 | struct batadv_unicast_tvlv_packet { |
| 353 | struct batadv_header header; |
| 354 | uint8_t reserved; |
| 355 | uint8_t dst[ETH_ALEN]; |
| 356 | uint8_t src[ETH_ALEN]; |
| 357 | __be16 tvlv_len; |
| 358 | uint16_t align; |
| 359 | }; |
| 360 | |
| 361 | /** |
| 362 | * struct batadv_tvlv_hdr - base tvlv header struct |
| 363 | * @type: tvlv container type (see batadv_tvlv_type) |
| 364 | * @version: tvlv container version |
| 365 | * @len: tvlv container length |
| 366 | */ |
| 367 | struct batadv_tvlv_hdr { |
| 368 | uint8_t type; |
| 369 | uint8_t version; |
| 370 | __be16 len; |
| 371 | }; |
| 372 | |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 373 | /** |
| 374 | * struct batadv_tvlv_gateway_data - gateway data propagated through gw tvlv |
| 375 | * container |
| 376 | * @bandwidth_down: advertised uplink download bandwidth |
| 377 | * @bandwidth_up: advertised uplink upload bandwidth |
| 378 | */ |
| 379 | struct batadv_tvlv_gateway_data { |
| 380 | __be32 bandwidth_down; |
| 381 | __be32 bandwidth_up; |
| 382 | }; |
| 383 | |
Marek Lindner | e1bf0c1 | 2013-04-23 21:40:01 +0800 | [diff] [blame^] | 384 | /** |
| 385 | * struct batadv_tvlv_tt_data - tt data propagated through the tt tvlv container |
| 386 | * @flags: translation table flags (see batadv_tt_data_flags) |
| 387 | * @ttvn: translation table version number |
| 388 | * @crc: crc16 checksum of the local translation table |
| 389 | */ |
| 390 | struct batadv_tvlv_tt_data { |
| 391 | uint8_t flags; |
| 392 | uint8_t ttvn; |
| 393 | __be16 crc; |
| 394 | }; |
| 395 | |
| 396 | /** |
| 397 | * struct batadv_tvlv_tt_change - translation table diff data |
| 398 | * @flags: status indicators concerning the non-mesh client (see |
| 399 | * batadv_tt_client_flags) |
| 400 | * @reserved: reserved field |
| 401 | * @addr: mac address of non-mesh client that triggered this tt change |
| 402 | */ |
| 403 | struct batadv_tvlv_tt_change { |
| 404 | uint8_t flags; |
| 405 | uint8_t reserved; |
| 406 | uint8_t addr[ETH_ALEN]; |
| 407 | }; |
| 408 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 409 | #endif /* _NET_BATMAN_ADV_PACKET_H_ */ |