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, |
Antonio Quartulli | 7cdcf6d | 2012-10-01 09:57:35 +0200 | [diff] [blame] | 34 | BATADV_UNICAST_4ADDR = 0x09, |
Martin Hundebøll | 3c12de9 | 2013-01-25 11:12:41 +0100 | [diff] [blame] | 35 | BATADV_CODED = 0x0a, |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 36 | BATADV_UNICAST_TVLV = 0x0b, |
Antonio Quartulli | 7cdcf6d | 2012-10-01 09:57:35 +0200 | [diff] [blame] | 37 | }; |
| 38 | |
| 39 | /** |
| 40 | * enum batadv_subtype - packet subtype for unicast4addr |
| 41 | * @BATADV_P_DATA: user payload |
Antonio Quartulli | 5c3a0e5 | 2011-06-02 12:29:51 +0200 | [diff] [blame] | 42 | * @BATADV_P_DAT_DHT_GET: DHT request message |
| 43 | * @BATADV_P_DAT_DHT_PUT: DHT store message |
| 44 | * @BATADV_P_DAT_CACHE_REPLY: ARP reply generated by DAT |
Antonio Quartulli | 7cdcf6d | 2012-10-01 09:57:35 +0200 | [diff] [blame] | 45 | */ |
| 46 | enum batadv_subtype { |
Antonio Quartulli | 5c3a0e5 | 2011-06-02 12:29:51 +0200 | [diff] [blame] | 47 | BATADV_P_DATA = 0x01, |
| 48 | BATADV_P_DAT_DHT_GET = 0x02, |
| 49 | BATADV_P_DAT_DHT_PUT = 0x03, |
| 50 | BATADV_P_DAT_CACHE_REPLY = 0x04, |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 51 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 52 | |
| 53 | /* this file is included by batctl which needs these defines */ |
Antonio Quartulli | 60cf798 | 2013-04-20 15:59:13 +0200 | [diff] [blame] | 54 | #define BATADV_COMPAT_VERSION 15 |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 55 | |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 56 | enum batadv_iv_flags { |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame] | 57 | BATADV_NOT_BEST_NEXT_HOP = BIT(3), |
| 58 | BATADV_PRIMARIES_FIRST_HOP = BIT(4), |
| 59 | BATADV_VIS_SERVER = BIT(5), |
| 60 | BATADV_DIRECTLINK = BIT(6), |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 61 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 62 | |
| 63 | /* ICMP message types */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 64 | enum batadv_icmp_packettype { |
| 65 | BATADV_ECHO_REPLY = 0, |
| 66 | BATADV_DESTINATION_UNREACHABLE = 3, |
| 67 | BATADV_ECHO_REQUEST = 8, |
| 68 | BATADV_TTL_EXCEEDED = 11, |
| 69 | BATADV_PARAMETER_PROBLEM = 12, |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 70 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 71 | |
| 72 | /* vis defines */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 73 | enum batadv_vis_packettype { |
| 74 | BATADV_VIS_TYPE_SERVER_SYNC = 0, |
| 75 | BATADV_VIS_TYPE_CLIENT_UPDATE = 1, |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 76 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 77 | |
| 78 | /* fragmentation defines */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 79 | enum batadv_unicast_frag_flags { |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame] | 80 | BATADV_UNI_FRAG_HEAD = BIT(0), |
| 81 | BATADV_UNI_FRAG_LARGETAIL = BIT(1), |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 82 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 83 | |
Marek Lindner | e1bf0c1 | 2013-04-23 21:40:01 +0800 | [diff] [blame] | 84 | /* tt data subtypes */ |
| 85 | #define BATADV_TT_DATA_TYPE_MASK 0x0F |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 86 | |
Marek Lindner | e1bf0c1 | 2013-04-23 21:40:01 +0800 | [diff] [blame] | 87 | /** |
| 88 | * enum batadv_tt_data_flags - flags for tt data tvlv |
| 89 | * @BATADV_TT_OGM_DIFF: TT diff propagated through OGM |
| 90 | * @BATADV_TT_REQUEST: TT request message |
| 91 | * @BATADV_TT_RESPONSE: TT response message |
| 92 | * @BATADV_TT_FULL_TABLE: contains full table to replace existing table |
| 93 | */ |
| 94 | enum batadv_tt_data_flags { |
| 95 | BATADV_TT_OGM_DIFF = BIT(0), |
| 96 | BATADV_TT_REQUEST = BIT(1), |
| 97 | BATADV_TT_RESPONSE = BIT(2), |
| 98 | BATADV_TT_FULL_TABLE = BIT(4), |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 99 | }; |
| 100 | |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 101 | /* BATADV_TT_CLIENT flags. |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame] | 102 | * Flags from BIT(0) to BIT(7) are sent on the wire, while flags from BIT(8) to |
| 103 | * BIT(15) are used for local computation only |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 104 | */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 105 | enum batadv_tt_client_flags { |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame] | 106 | BATADV_TT_CLIENT_DEL = BIT(0), |
| 107 | BATADV_TT_CLIENT_ROAM = BIT(1), |
| 108 | BATADV_TT_CLIENT_WIFI = BIT(2), |
| 109 | BATADV_TT_CLIENT_NOPURGE = BIT(8), |
| 110 | BATADV_TT_CLIENT_NEW = BIT(9), |
| 111 | BATADV_TT_CLIENT_PENDING = BIT(10), |
Antonio Quartulli | 0035f97 | 2013-04-24 16:37:52 +0200 | [diff] [blame^] | 112 | BATADV_TT_CLIENT_TEMP = BIT(11), |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 113 | }; |
| 114 | |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 115 | /* claim frame types for the bridge loop avoidance */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 116 | enum batadv_bla_claimframe { |
Simon Wunderlich | 3eb8773 | 2012-06-23 12:34:18 +0200 | [diff] [blame] | 117 | BATADV_CLAIM_TYPE_CLAIM = 0x00, |
| 118 | BATADV_CLAIM_TYPE_UNCLAIM = 0x01, |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 119 | BATADV_CLAIM_TYPE_ANNOUNCE = 0x02, |
| 120 | BATADV_CLAIM_TYPE_REQUEST = 0x03, |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 121 | }; |
| 122 | |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 123 | /** |
| 124 | * enum batadv_tvlv_type - tvlv type definitions |
| 125 | * @BATADV_TVLV_GW: gateway tvlv |
Marek Lindner | 17cf0ea | 2013-04-23 21:39:59 +0800 | [diff] [blame] | 126 | * @BATADV_TVLV_DAT: distributed arp table tvlv |
Marek Lindner | 3f4841f | 2013-04-23 21:40:00 +0800 | [diff] [blame] | 127 | * @BATADV_TVLV_NC: network coding tvlv |
Marek Lindner | e1bf0c1 | 2013-04-23 21:40:01 +0800 | [diff] [blame] | 128 | * @BATADV_TVLV_TT: translation table tvlv |
Marek Lindner | 122edaa | 2013-04-23 21:40:03 +0800 | [diff] [blame] | 129 | * @BATADV_TVLV_ROAM: roaming advertisement tvlv |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 130 | */ |
| 131 | enum batadv_tvlv_type { |
| 132 | BATADV_TVLV_GW = 0x01, |
Marek Lindner | 17cf0ea | 2013-04-23 21:39:59 +0800 | [diff] [blame] | 133 | BATADV_TVLV_DAT = 0x02, |
Marek Lindner | 3f4841f | 2013-04-23 21:40:00 +0800 | [diff] [blame] | 134 | BATADV_TVLV_NC = 0x03, |
Marek Lindner | e1bf0c1 | 2013-04-23 21:40:01 +0800 | [diff] [blame] | 135 | BATADV_TVLV_TT = 0x04, |
Marek Lindner | 122edaa | 2013-04-23 21:40:03 +0800 | [diff] [blame] | 136 | BATADV_TVLV_ROAM = 0x05, |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 137 | }; |
| 138 | |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 139 | /* the destination hardware field in the ARP frame is used to |
| 140 | * transport the claim type and the group id |
| 141 | */ |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 142 | struct batadv_bla_claim_dst { |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 143 | uint8_t magic[3]; /* FF:43:05 */ |
| 144 | uint8_t type; /* bla_claimframe */ |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 145 | __be16 group; /* group id */ |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 146 | }; |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 147 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 148 | struct batadv_header { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 149 | uint8_t packet_type; |
| 150 | uint8_t version; /* batman version field */ |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 151 | uint8_t ttl; |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 152 | /* the parent struct has to add a byte after the header to make |
| 153 | * everything 4 bytes aligned again |
| 154 | */ |
| 155 | }; |
Sven Eckelmann | 76543d1 | 2011-11-20 15:47:38 +0100 | [diff] [blame] | 156 | |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 157 | /** |
| 158 | * struct batadv_ogm_packet - ogm (routing protocol) packet |
| 159 | * @header: common batman packet header |
| 160 | * @tvlv_len: length of tvlv data following the ogm header |
| 161 | */ |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 162 | struct batadv_ogm_packet { |
| 163 | struct batadv_header header; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 164 | uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ |
Al Viro | e0f5211 | 2012-04-22 07:46:29 +0100 | [diff] [blame] | 165 | __be32 seqno; |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 166 | uint8_t orig[ETH_ALEN]; |
| 167 | uint8_t prev_sender[ETH_ALEN]; |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 168 | uint8_t reserved; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 169 | uint8_t tq; |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 170 | __be16 tvlv_len; |
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 | #define BATADV_OGM_HLEN sizeof(struct batadv_ogm_packet) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 174 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 175 | struct batadv_icmp_packet { |
| 176 | struct batadv_header header; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 177 | uint8_t msg_type; /* see ICMP message types above */ |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 178 | uint8_t dst[ETH_ALEN]; |
| 179 | uint8_t orig[ETH_ALEN]; |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 180 | __be16 seqno; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 181 | uint8_t uid; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 182 | uint8_t reserved; |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 183 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 184 | |
Sven Eckelmann | 7e071c7 | 2012-06-03 22:19:13 +0200 | [diff] [blame] | 185 | #define BATADV_RR_LEN 16 |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 186 | |
| 187 | /* icmp_packet_rr must start with all fields from imcp_packet |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 188 | * as this is assumed by code that handles ICMP packets |
| 189 | */ |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 190 | struct batadv_icmp_packet_rr { |
| 191 | struct batadv_header header; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 192 | uint8_t msg_type; /* see ICMP message types above */ |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 193 | uint8_t dst[ETH_ALEN]; |
| 194 | uint8_t orig[ETH_ALEN]; |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 195 | __be16 seqno; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 196 | uint8_t uid; |
| 197 | uint8_t rr_cur; |
Sven Eckelmann | 7e071c7 | 2012-06-03 22:19:13 +0200 | [diff] [blame] | 198 | uint8_t rr[BATADV_RR_LEN][ETH_ALEN]; |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 199 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 200 | |
Sven Eckelmann | e022b95 | 2012-11-05 21:25:27 +0100 | [diff] [blame] | 201 | /* All packet headers in front of an ethernet header have to be completely |
| 202 | * divisible by 2 but not by 4 to make the payload after the ethernet |
| 203 | * header again 4 bytes boundary aligned. |
| 204 | * |
| 205 | * A packing of 2 is necessary to avoid extra padding at the end of the struct |
| 206 | * caused by a structure member which is larger than two bytes. Otherwise |
| 207 | * the structure would not fulfill the previously mentioned rule to avoid the |
| 208 | * misalignment of the payload after the ethernet header. It may also lead to |
| 209 | * leakage of information when the padding it not initialized before sending. |
| 210 | */ |
| 211 | #pragma pack(2) |
| 212 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 213 | struct batadv_unicast_packet { |
| 214 | struct batadv_header header; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 215 | uint8_t ttvn; /* destination translation table version number */ |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 216 | uint8_t dest[ETH_ALEN]; |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 217 | /* "4 bytes boundary + 2 bytes" long to make the payload after the |
| 218 | * following ethernet header again 4 bytes boundary aligned |
| 219 | */ |
| 220 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 221 | |
Antonio Quartulli | 7cdcf6d | 2012-10-01 09:57:35 +0200 | [diff] [blame] | 222 | /** |
| 223 | * struct batadv_unicast_4addr_packet - extended unicast packet |
| 224 | * @u: common unicast packet header |
| 225 | * @src: address of the source |
| 226 | * @subtype: packet subtype |
| 227 | */ |
| 228 | struct batadv_unicast_4addr_packet { |
| 229 | struct batadv_unicast_packet u; |
| 230 | uint8_t src[ETH_ALEN]; |
| 231 | uint8_t subtype; |
| 232 | uint8_t reserved; |
| 233 | /* "4 bytes boundary + 2 bytes" long to make the payload after the |
| 234 | * following ethernet header again 4 bytes boundary aligned |
| 235 | */ |
| 236 | }; |
| 237 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 238 | struct batadv_unicast_frag_packet { |
| 239 | struct batadv_header header; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 240 | uint8_t ttvn; /* destination translation table version number */ |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 241 | uint8_t dest[ETH_ALEN]; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 242 | uint8_t flags; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 243 | uint8_t align; |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 244 | uint8_t orig[ETH_ALEN]; |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 245 | __be16 seqno; |
Sven Eckelmann | aa0adb1 | 2011-01-15 14:39:43 +0000 | [diff] [blame] | 246 | } __packed; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 247 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 248 | struct batadv_bcast_packet { |
| 249 | struct batadv_header header; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 250 | uint8_t reserved; |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 251 | __be32 seqno; |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 252 | uint8_t orig[ETH_ALEN]; |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 253 | /* "4 bytes boundary + 2 bytes" long to make the payload after the |
| 254 | * following ethernet header again 4 bytes boundary aligned |
| 255 | */ |
Sven Eckelmann | e022b95 | 2012-11-05 21:25:27 +0100 | [diff] [blame] | 256 | }; |
| 257 | |
| 258 | #pragma pack() |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 259 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 260 | struct batadv_vis_packet { |
| 261 | struct batadv_header header; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 262 | uint8_t vis_type; /* which type of vis-participant sent this? */ |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 263 | __be32 seqno; /* sequence number */ |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 264 | uint8_t entries; /* number of entries behind this struct */ |
| 265 | uint8_t reserved; |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 266 | uint8_t vis_orig[ETH_ALEN]; /* originator reporting its neighbors */ |
| 267 | uint8_t target_orig[ETH_ALEN]; /* who should receive this packet */ |
| 268 | uint8_t sender_orig[ETH_ALEN]; /* who sent or forwarded this packet */ |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 269 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 270 | |
Martin Hundebøll | 3c12de9 | 2013-01-25 11:12:41 +0100 | [diff] [blame] | 271 | /** |
| 272 | * struct batadv_coded_packet - network coded packet |
| 273 | * @header: common batman packet header and ttl of first included packet |
| 274 | * @reserved: Align following fields to 2-byte boundaries |
| 275 | * @first_source: original source of first included packet |
| 276 | * @first_orig_dest: original destinal of first included packet |
| 277 | * @first_crc: checksum of first included packet |
| 278 | * @first_ttvn: tt-version number of first included packet |
| 279 | * @second_ttl: ttl of second packet |
| 280 | * @second_dest: second receiver of this coded packet |
| 281 | * @second_source: original source of second included packet |
| 282 | * @second_orig_dest: original destination of second included packet |
| 283 | * @second_crc: checksum of second included packet |
| 284 | * @second_ttvn: tt version number of second included packet |
| 285 | * @coded_len: length of network coded part of the payload |
| 286 | */ |
| 287 | struct batadv_coded_packet { |
| 288 | struct batadv_header header; |
| 289 | uint8_t first_ttvn; |
| 290 | /* uint8_t first_dest[ETH_ALEN]; - saved in mac header destination */ |
| 291 | uint8_t first_source[ETH_ALEN]; |
| 292 | uint8_t first_orig_dest[ETH_ALEN]; |
| 293 | __be32 first_crc; |
| 294 | uint8_t second_ttl; |
| 295 | uint8_t second_ttvn; |
| 296 | uint8_t second_dest[ETH_ALEN]; |
| 297 | uint8_t second_source[ETH_ALEN]; |
| 298 | uint8_t second_orig_dest[ETH_ALEN]; |
| 299 | __be32 second_crc; |
Martin Hundebøll | e6a0b49 | 2013-03-14 21:30:21 +0100 | [diff] [blame] | 300 | __be16 coded_len; |
Martin Hundebøll | 3c12de9 | 2013-01-25 11:12:41 +0100 | [diff] [blame] | 301 | }; |
| 302 | |
Marek Lindner | ef26157 | 2013-04-23 21:39:57 +0800 | [diff] [blame] | 303 | /** |
| 304 | * struct batadv_unicast_tvlv - generic unicast packet with tvlv payload |
| 305 | * @header: common batman packet header |
| 306 | * @reserved: reserved field (for packet alignment) |
| 307 | * @src: address of the source |
| 308 | * @dst: address of the destination |
| 309 | * @tvlv_len: length of tvlv data following the unicast tvlv header |
| 310 | * @align: 2 bytes to align the header to a 4 byte boundry |
| 311 | */ |
| 312 | struct batadv_unicast_tvlv_packet { |
| 313 | struct batadv_header header; |
| 314 | uint8_t reserved; |
| 315 | uint8_t dst[ETH_ALEN]; |
| 316 | uint8_t src[ETH_ALEN]; |
| 317 | __be16 tvlv_len; |
| 318 | uint16_t align; |
| 319 | }; |
| 320 | |
| 321 | /** |
| 322 | * struct batadv_tvlv_hdr - base tvlv header struct |
| 323 | * @type: tvlv container type (see batadv_tvlv_type) |
| 324 | * @version: tvlv container version |
| 325 | * @len: tvlv container length |
| 326 | */ |
| 327 | struct batadv_tvlv_hdr { |
| 328 | uint8_t type; |
| 329 | uint8_t version; |
| 330 | __be16 len; |
| 331 | }; |
| 332 | |
Marek Lindner | 414254e | 2013-04-23 21:39:58 +0800 | [diff] [blame] | 333 | /** |
| 334 | * struct batadv_tvlv_gateway_data - gateway data propagated through gw tvlv |
| 335 | * container |
| 336 | * @bandwidth_down: advertised uplink download bandwidth |
| 337 | * @bandwidth_up: advertised uplink upload bandwidth |
| 338 | */ |
| 339 | struct batadv_tvlv_gateway_data { |
| 340 | __be32 bandwidth_down; |
| 341 | __be32 bandwidth_up; |
| 342 | }; |
| 343 | |
Marek Lindner | e1bf0c1 | 2013-04-23 21:40:01 +0800 | [diff] [blame] | 344 | /** |
| 345 | * struct batadv_tvlv_tt_data - tt data propagated through the tt tvlv container |
| 346 | * @flags: translation table flags (see batadv_tt_data_flags) |
| 347 | * @ttvn: translation table version number |
Antonio Quartulli | ced7293 | 2013-04-24 16:37:51 +0200 | [diff] [blame] | 348 | * @reserved: field reserved for future use |
| 349 | * @crc: crc32 checksum of the local translation table |
Marek Lindner | e1bf0c1 | 2013-04-23 21:40:01 +0800 | [diff] [blame] | 350 | */ |
| 351 | struct batadv_tvlv_tt_data { |
| 352 | uint8_t flags; |
| 353 | uint8_t ttvn; |
Antonio Quartulli | ced7293 | 2013-04-24 16:37:51 +0200 | [diff] [blame] | 354 | uint16_t reserved; |
| 355 | __be32 crc; |
Marek Lindner | e1bf0c1 | 2013-04-23 21:40:01 +0800 | [diff] [blame] | 356 | }; |
| 357 | |
| 358 | /** |
| 359 | * struct batadv_tvlv_tt_change - translation table diff data |
| 360 | * @flags: status indicators concerning the non-mesh client (see |
| 361 | * batadv_tt_client_flags) |
| 362 | * @reserved: reserved field |
| 363 | * @addr: mac address of non-mesh client that triggered this tt change |
| 364 | */ |
| 365 | struct batadv_tvlv_tt_change { |
| 366 | uint8_t flags; |
| 367 | uint8_t reserved; |
| 368 | uint8_t addr[ETH_ALEN]; |
| 369 | }; |
| 370 | |
Marek Lindner | 122edaa | 2013-04-23 21:40:03 +0800 | [diff] [blame] | 371 | /** |
| 372 | * struct batadv_tvlv_roam_adv - roaming advertisement |
| 373 | * @client: mac address of roaming client |
| 374 | * @reserved: field reserved for future use |
| 375 | */ |
| 376 | struct batadv_tvlv_roam_adv { |
| 377 | uint8_t client[ETH_ALEN]; |
| 378 | uint16_t reserved; |
| 379 | }; |
| 380 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 381 | #endif /* _NET_BATMAN_ADV_PACKET_H_ */ |