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 { |
Antonio Quartulli | 7cdcf6d | 2012-10-01 09:57:35 +0200 | [diff] [blame] | 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, |
| 34 | BATADV_UNICAST_4ADDR = 0x09, |
| 35 | }; |
| 36 | |
| 37 | /** |
| 38 | * enum batadv_subtype - packet subtype for unicast4addr |
| 39 | * @BATADV_P_DATA: user payload |
Antonio Quartulli | 5c3a0e5 | 2011-06-02 12:29:51 +0200 | [diff] [blame] | 40 | * @BATADV_P_DAT_DHT_GET: DHT request message |
| 41 | * @BATADV_P_DAT_DHT_PUT: DHT store message |
| 42 | * @BATADV_P_DAT_CACHE_REPLY: ARP reply generated by DAT |
Antonio Quartulli | 7cdcf6d | 2012-10-01 09:57:35 +0200 | [diff] [blame] | 43 | */ |
| 44 | enum batadv_subtype { |
Antonio Quartulli | 5c3a0e5 | 2011-06-02 12:29:51 +0200 | [diff] [blame] | 45 | BATADV_P_DATA = 0x01, |
| 46 | BATADV_P_DAT_DHT_GET = 0x02, |
| 47 | BATADV_P_DAT_DHT_PUT = 0x03, |
| 48 | BATADV_P_DAT_CACHE_REPLY = 0x04, |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 49 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 50 | |
| 51 | /* this file is included by batctl which needs these defines */ |
Sven Eckelmann | 7e071c7 | 2012-06-03 22:19:13 +0200 | [diff] [blame] | 52 | #define BATADV_COMPAT_VERSION 14 |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 53 | |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 54 | enum batadv_iv_flags { |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame] | 55 | BATADV_NOT_BEST_NEXT_HOP = BIT(3), |
| 56 | BATADV_PRIMARIES_FIRST_HOP = BIT(4), |
| 57 | BATADV_VIS_SERVER = BIT(5), |
| 58 | BATADV_DIRECTLINK = BIT(6), |
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 | /* ICMP message types */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 62 | enum batadv_icmp_packettype { |
| 63 | BATADV_ECHO_REPLY = 0, |
| 64 | BATADV_DESTINATION_UNREACHABLE = 3, |
| 65 | BATADV_ECHO_REQUEST = 8, |
| 66 | BATADV_TTL_EXCEEDED = 11, |
| 67 | BATADV_PARAMETER_PROBLEM = 12, |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 68 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 69 | |
| 70 | /* vis defines */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 71 | enum batadv_vis_packettype { |
| 72 | BATADV_VIS_TYPE_SERVER_SYNC = 0, |
| 73 | BATADV_VIS_TYPE_CLIENT_UPDATE = 1, |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 74 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 75 | |
| 76 | /* fragmentation defines */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 77 | enum batadv_unicast_frag_flags { |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame] | 78 | BATADV_UNI_FRAG_HEAD = BIT(0), |
| 79 | BATADV_UNI_FRAG_LARGETAIL = BIT(1), |
Sven Eckelmann | e8958db | 2011-06-04 11:26:00 +0200 | [diff] [blame] | 80 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 81 | |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 82 | /* TT_QUERY subtypes */ |
Sven Eckelmann | 7e071c7 | 2012-06-03 22:19:13 +0200 | [diff] [blame] | 83 | #define BATADV_TT_QUERY_TYPE_MASK 0x3 |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 84 | |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 85 | enum batadv_tt_query_packettype { |
| 86 | BATADV_TT_REQUEST = 0, |
| 87 | BATADV_TT_RESPONSE = 1, |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 88 | }; |
| 89 | |
| 90 | /* TT_QUERY flags */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 91 | enum batadv_tt_query_flags { |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame] | 92 | BATADV_TT_FULL_TABLE = BIT(2), |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 93 | }; |
| 94 | |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 95 | /* BATADV_TT_CLIENT flags. |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame] | 96 | * Flags from BIT(0) to BIT(7) are sent on the wire, while flags from BIT(8) to |
| 97 | * BIT(15) are used for local computation only |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 98 | */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 99 | enum batadv_tt_client_flags { |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame] | 100 | BATADV_TT_CLIENT_DEL = BIT(0), |
| 101 | BATADV_TT_CLIENT_ROAM = BIT(1), |
| 102 | BATADV_TT_CLIENT_WIFI = BIT(2), |
Antonio Quartulli | 30cfd02 | 2012-07-05 23:38:29 +0200 | [diff] [blame] | 103 | BATADV_TT_CLIENT_TEMP = BIT(3), |
Sven Eckelmann | 8de47de | 2012-07-08 16:32:09 +0200 | [diff] [blame] | 104 | BATADV_TT_CLIENT_NOPURGE = BIT(8), |
| 105 | BATADV_TT_CLIENT_NEW = BIT(9), |
| 106 | BATADV_TT_CLIENT_PENDING = BIT(10), |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 107 | }; |
| 108 | |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 109 | /* claim frame types for the bridge loop avoidance */ |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 110 | enum batadv_bla_claimframe { |
Simon Wunderlich | 3eb8773 | 2012-06-23 12:34:18 +0200 | [diff] [blame] | 111 | BATADV_CLAIM_TYPE_CLAIM = 0x00, |
| 112 | BATADV_CLAIM_TYPE_UNCLAIM = 0x01, |
Sven Eckelmann | acd34af | 2012-06-03 22:19:21 +0200 | [diff] [blame] | 113 | BATADV_CLAIM_TYPE_ANNOUNCE = 0x02, |
| 114 | BATADV_CLAIM_TYPE_REQUEST = 0x03, |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 115 | }; |
| 116 | |
| 117 | /* the destination hardware field in the ARP frame is used to |
| 118 | * transport the claim type and the group id |
| 119 | */ |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 120 | struct batadv_bla_claim_dst { |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 121 | uint8_t magic[3]; /* FF:43:05 */ |
| 122 | uint8_t type; /* bla_claimframe */ |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 123 | __be16 group; /* group id */ |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 124 | }; |
Simon Wunderlich | 2372138 | 2012-01-22 20:00:19 +0100 | [diff] [blame] | 125 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 126 | struct batadv_header { |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 127 | uint8_t packet_type; |
| 128 | uint8_t version; /* batman version field */ |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 129 | uint8_t ttl; |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 130 | /* the parent struct has to add a byte after the header to make |
| 131 | * everything 4 bytes aligned again |
| 132 | */ |
| 133 | }; |
Sven Eckelmann | 76543d1 | 2011-11-20 15:47:38 +0100 | [diff] [blame] | 134 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 135 | struct batadv_ogm_packet { |
| 136 | struct batadv_header header; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 137 | uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ |
Al Viro | e0f5211 | 2012-04-22 07:46:29 +0100 | [diff] [blame] | 138 | __be32 seqno; |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 139 | uint8_t orig[ETH_ALEN]; |
| 140 | uint8_t prev_sender[ETH_ALEN]; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 141 | uint8_t gw_flags; /* flags related to gateway class */ |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 142 | uint8_t tq; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 143 | uint8_t tt_num_changes; |
| 144 | uint8_t ttvn; /* translation table version number */ |
Al Viro | 16a7034 | 2012-04-22 07:45:29 +0100 | [diff] [blame] | 145 | __be16 tt_crc; |
Sven Eckelmann | aa0adb1 | 2011-01-15 14:39:43 +0000 | [diff] [blame] | 146 | } __packed; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 147 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 148 | #define BATADV_OGM_HLEN sizeof(struct batadv_ogm_packet) |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 149 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 150 | struct batadv_icmp_packet { |
| 151 | struct batadv_header header; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 152 | uint8_t msg_type; /* see ICMP message types above */ |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 153 | uint8_t dst[ETH_ALEN]; |
| 154 | uint8_t orig[ETH_ALEN]; |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 155 | __be16 seqno; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 156 | uint8_t uid; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 157 | uint8_t reserved; |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 158 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 159 | |
Sven Eckelmann | 7e071c7 | 2012-06-03 22:19:13 +0200 | [diff] [blame] | 160 | #define BATADV_RR_LEN 16 |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 161 | |
| 162 | /* icmp_packet_rr must start with all fields from imcp_packet |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 163 | * as this is assumed by code that handles ICMP packets |
| 164 | */ |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 165 | struct batadv_icmp_packet_rr { |
| 166 | struct batadv_header header; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 167 | uint8_t msg_type; /* see ICMP message types above */ |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 168 | uint8_t dst[ETH_ALEN]; |
| 169 | uint8_t orig[ETH_ALEN]; |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 170 | __be16 seqno; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 171 | uint8_t uid; |
| 172 | uint8_t rr_cur; |
Sven Eckelmann | 7e071c7 | 2012-06-03 22:19:13 +0200 | [diff] [blame] | 173 | uint8_t rr[BATADV_RR_LEN][ETH_ALEN]; |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 174 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 175 | |
Sven Eckelmann | e022b95 | 2012-11-05 21:25:27 +0100 | [diff] [blame^] | 176 | /* All packet headers in front of an ethernet header have to be completely |
| 177 | * divisible by 2 but not by 4 to make the payload after the ethernet |
| 178 | * header again 4 bytes boundary aligned. |
| 179 | * |
| 180 | * A packing of 2 is necessary to avoid extra padding at the end of the struct |
| 181 | * caused by a structure member which is larger than two bytes. Otherwise |
| 182 | * the structure would not fulfill the previously mentioned rule to avoid the |
| 183 | * misalignment of the payload after the ethernet header. It may also lead to |
| 184 | * leakage of information when the padding it not initialized before sending. |
| 185 | */ |
| 186 | #pragma pack(2) |
| 187 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 188 | struct batadv_unicast_packet { |
| 189 | struct batadv_header header; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 190 | uint8_t ttvn; /* destination translation table version number */ |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 191 | uint8_t dest[ETH_ALEN]; |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 192 | /* "4 bytes boundary + 2 bytes" long to make the payload after the |
| 193 | * following ethernet header again 4 bytes boundary aligned |
| 194 | */ |
| 195 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 196 | |
Antonio Quartulli | 7cdcf6d | 2012-10-01 09:57:35 +0200 | [diff] [blame] | 197 | /** |
| 198 | * struct batadv_unicast_4addr_packet - extended unicast packet |
| 199 | * @u: common unicast packet header |
| 200 | * @src: address of the source |
| 201 | * @subtype: packet subtype |
| 202 | */ |
| 203 | struct batadv_unicast_4addr_packet { |
| 204 | struct batadv_unicast_packet u; |
| 205 | uint8_t src[ETH_ALEN]; |
| 206 | uint8_t subtype; |
| 207 | uint8_t reserved; |
| 208 | /* "4 bytes boundary + 2 bytes" long to make the payload after the |
| 209 | * following ethernet header again 4 bytes boundary aligned |
| 210 | */ |
| 211 | }; |
| 212 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 213 | struct batadv_unicast_frag_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 | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 217 | uint8_t flags; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 218 | uint8_t align; |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 219 | uint8_t orig[ETH_ALEN]; |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 220 | __be16 seqno; |
Sven Eckelmann | aa0adb1 | 2011-01-15 14:39:43 +0000 | [diff] [blame] | 221 | } __packed; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 222 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 223 | struct batadv_bcast_packet { |
| 224 | struct batadv_header header; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 225 | uint8_t reserved; |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 226 | __be32 seqno; |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 227 | uint8_t orig[ETH_ALEN]; |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 228 | /* "4 bytes boundary + 2 bytes" long to make the payload after the |
| 229 | * following ethernet header again 4 bytes boundary aligned |
| 230 | */ |
Sven Eckelmann | e022b95 | 2012-11-05 21:25:27 +0100 | [diff] [blame^] | 231 | }; |
| 232 | |
| 233 | #pragma pack() |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 234 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 235 | struct batadv_vis_packet { |
| 236 | struct batadv_header header; |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 237 | uint8_t vis_type; /* which type of vis-participant sent this? */ |
Al Viro | 3e2f1a1 | 2012-04-22 07:47:50 +0100 | [diff] [blame] | 238 | __be32 seqno; /* sequence number */ |
Antonio Quartulli | 3b27ffb | 2011-05-28 14:51:06 +0200 | [diff] [blame] | 239 | uint8_t entries; /* number of entries behind this struct */ |
| 240 | uint8_t reserved; |
Antonio Quartulli | c1faead | 2012-01-30 20:59:17 +0100 | [diff] [blame] | 241 | uint8_t vis_orig[ETH_ALEN]; /* originator reporting its neighbors */ |
| 242 | uint8_t target_orig[ETH_ALEN]; /* who should receive this packet */ |
| 243 | uint8_t sender_orig[ETH_ALEN]; /* who sent or forwarded this packet */ |
Sven Eckelmann | f6c57a4 | 2012-11-05 21:25:26 +0100 | [diff] [blame] | 244 | }; |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 245 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 246 | struct batadv_tt_query_packet { |
| 247 | struct batadv_header header; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 248 | /* the flag field is a combination of: |
| 249 | * - TT_REQUEST or TT_RESPONSE |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 250 | * - TT_FULL_TABLE |
| 251 | */ |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 252 | uint8_t flags; |
| 253 | uint8_t dst[ETH_ALEN]; |
| 254 | uint8_t src[ETH_ALEN]; |
| 255 | /* the ttvn field is: |
| 256 | * if TT_REQUEST: ttvn that triggered the |
| 257 | * request |
| 258 | * if TT_RESPONSE: new ttvn for the src |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 259 | * orig_node |
| 260 | */ |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 261 | uint8_t ttvn; |
| 262 | /* tt_data field is: |
| 263 | * if TT_REQUEST: crc associated with the |
| 264 | * ttvn |
Sven Eckelmann | 9cfc7bd | 2012-05-12 02:09:43 +0200 | [diff] [blame] | 265 | * if TT_RESPONSE: table_size |
| 266 | */ |
| 267 | __be16 tt_data; |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 268 | } __packed; |
| 269 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 270 | struct batadv_roam_adv_packet { |
| 271 | struct batadv_header header; |
Antonio Quartulli | cc47f66 | 2011-04-27 14:27:57 +0200 | [diff] [blame] | 272 | uint8_t reserved; |
| 273 | uint8_t dst[ETH_ALEN]; |
| 274 | uint8_t src[ETH_ALEN]; |
| 275 | uint8_t client[ETH_ALEN]; |
| 276 | } __packed; |
| 277 | |
Sven Eckelmann | 9641269 | 2012-06-05 22:31:30 +0200 | [diff] [blame] | 278 | struct batadv_tt_change { |
Antonio Quartulli | a73105b | 2011-04-27 14:27:44 +0200 | [diff] [blame] | 279 | uint8_t flags; |
| 280 | uint8_t addr[ETH_ALEN]; |
| 281 | } __packed; |
| 282 | |
Sven Eckelmann | c6c8fea | 2010-12-13 11:19:28 +0000 | [diff] [blame] | 283 | #endif /* _NET_BATMAN_ADV_PACKET_H_ */ |