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e19f9759 | 1 | /* Copyright (C) 2007-2014 B.A.T.M.A.N. contributors: |
c6c8fea2 SE |
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 | |
ebf38fb7 | 15 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
c6c8fea2 SE |
16 | */ |
17 | ||
18 | #ifndef _NET_BATMAN_ADV_PACKET_H_ | |
19 | #define _NET_BATMAN_ADV_PACKET_H_ | |
20 | ||
ef261577 ML |
21 | /** |
22 | * enum batadv_packettype - types for batman-adv encapsulated packets | |
a1f1ac5c SW |
23 | * @BATADV_IV_OGM: originator messages for B.A.T.M.A.N. IV |
24 | * @BATADV_BCAST: broadcast packets carrying broadcast payload | |
25 | * @BATADV_CODED: network coded packets | |
26 | * | |
27 | * @BATADV_UNICAST: unicast packets carrying unicast payload traffic | |
28 | * @BATADV_UNICAST_FRAG: unicast packets carrying a fragment of the original | |
29 | * payload packet | |
30 | * @BATADV_UNICAST_4ADDR: unicast packet including the originator address of | |
31 | * the sender | |
32 | * @BATADV_ICMP: unicast packet like IP ICMP used for ping or traceroute | |
ef261577 ML |
33 | * @BATADV_UNICAST_TVLV: unicast packet carrying TVLV containers |
34 | */ | |
acd34afa | 35 | enum batadv_packettype { |
a1f1ac5c SW |
36 | /* 0x00 - 0x3f: local packets or special rules for handling */ |
37 | BATADV_IV_OGM = 0x00, | |
38 | BATADV_BCAST = 0x01, | |
39 | BATADV_CODED = 0x02, | |
40 | /* 0x40 - 0x7f: unicast */ | |
41 | #define BATADV_UNICAST_MIN 0x40 | |
42 | BATADV_UNICAST = 0x40, | |
43 | BATADV_UNICAST_FRAG = 0x41, | |
44 | BATADV_UNICAST_4ADDR = 0x42, | |
45 | BATADV_ICMP = 0x43, | |
46 | BATADV_UNICAST_TVLV = 0x44, | |
47 | #define BATADV_UNICAST_MAX 0x7f | |
48 | /* 0x80 - 0xff: reserved */ | |
7cdcf6dd AQ |
49 | }; |
50 | ||
51 | /** | |
52 | * enum batadv_subtype - packet subtype for unicast4addr | |
53 | * @BATADV_P_DATA: user payload | |
5c3a0e55 AQ |
54 | * @BATADV_P_DAT_DHT_GET: DHT request message |
55 | * @BATADV_P_DAT_DHT_PUT: DHT store message | |
56 | * @BATADV_P_DAT_CACHE_REPLY: ARP reply generated by DAT | |
7cdcf6dd AQ |
57 | */ |
58 | enum batadv_subtype { | |
5c3a0e55 AQ |
59 | BATADV_P_DATA = 0x01, |
60 | BATADV_P_DAT_DHT_GET = 0x02, | |
61 | BATADV_P_DAT_DHT_PUT = 0x03, | |
62 | BATADV_P_DAT_CACHE_REPLY = 0x04, | |
e8958dbf | 63 | }; |
c6c8fea2 SE |
64 | |
65 | /* this file is included by batctl which needs these defines */ | |
60cf7981 | 66 | #define BATADV_COMPAT_VERSION 15 |
e8958dbf | 67 | |
18c68d59 SW |
68 | /** |
69 | * enum batadv_iv_flags - flags used in B.A.T.M.A.N. IV OGM packets | |
70 | * @BATADV_NOT_BEST_NEXT_HOP: flag is set when ogm packet is forwarded and was | |
71 | * previously received from someone else than the best neighbor. | |
72 | * @BATADV_PRIMARIES_FIRST_HOP: flag is set when the primary interface address | |
73 | * is used, and the packet travels its first hop. | |
74 | * @BATADV_DIRECTLINK: flag is for the first hop or if rebroadcasted from a | |
75 | * one hop neighbor on the interface where it was originally received. | |
76 | */ | |
acd34afa | 77 | enum batadv_iv_flags { |
18c68d59 SW |
78 | BATADV_NOT_BEST_NEXT_HOP = BIT(0), |
79 | BATADV_PRIMARIES_FIRST_HOP = BIT(1), | |
80 | BATADV_DIRECTLINK = BIT(2), | |
e8958dbf | 81 | }; |
c6c8fea2 SE |
82 | |
83 | /* ICMP message types */ | |
acd34afa SE |
84 | enum batadv_icmp_packettype { |
85 | BATADV_ECHO_REPLY = 0, | |
86 | BATADV_DESTINATION_UNREACHABLE = 3, | |
87 | BATADV_ECHO_REQUEST = 8, | |
88 | BATADV_TTL_EXCEEDED = 11, | |
89 | BATADV_PARAMETER_PROBLEM = 12, | |
e8958dbf | 90 | }; |
c6c8fea2 | 91 | |
e1bf0c14 ML |
92 | /* tt data subtypes */ |
93 | #define BATADV_TT_DATA_TYPE_MASK 0x0F | |
a73105b8 | 94 | |
e1bf0c14 ML |
95 | /** |
96 | * enum batadv_tt_data_flags - flags for tt data tvlv | |
97 | * @BATADV_TT_OGM_DIFF: TT diff propagated through OGM | |
98 | * @BATADV_TT_REQUEST: TT request message | |
99 | * @BATADV_TT_RESPONSE: TT response message | |
100 | * @BATADV_TT_FULL_TABLE: contains full table to replace existing table | |
101 | */ | |
102 | enum batadv_tt_data_flags { | |
103 | BATADV_TT_OGM_DIFF = BIT(0), | |
104 | BATADV_TT_REQUEST = BIT(1), | |
105 | BATADV_TT_RESPONSE = BIT(2), | |
106 | BATADV_TT_FULL_TABLE = BIT(4), | |
a73105b8 AQ |
107 | }; |
108 | ||
acd34afa | 109 | /* BATADV_TT_CLIENT flags. |
8de47de5 | 110 | * Flags from BIT(0) to BIT(7) are sent on the wire, while flags from BIT(8) to |
0eb01568 AQ |
111 | * BIT(15) are used for local computation only. |
112 | * Flags from BIT(4) to BIT(7) are kept in sync with the rest of the network. | |
9cfc7bd6 | 113 | */ |
acd34afa | 114 | enum batadv_tt_client_flags { |
8de47de5 SE |
115 | BATADV_TT_CLIENT_DEL = BIT(0), |
116 | BATADV_TT_CLIENT_ROAM = BIT(1), | |
0eb01568 | 117 | BATADV_TT_CLIENT_WIFI = BIT(4), |
9464d071 | 118 | BATADV_TT_CLIENT_ISOLA = BIT(5), |
8de47de5 SE |
119 | BATADV_TT_CLIENT_NOPURGE = BIT(8), |
120 | BATADV_TT_CLIENT_NEW = BIT(9), | |
121 | BATADV_TT_CLIENT_PENDING = BIT(10), | |
0035f97e | 122 | BATADV_TT_CLIENT_TEMP = BIT(11), |
a73105b8 AQ |
123 | }; |
124 | ||
c018ad3d AQ |
125 | /** |
126 | * batadv_vlan_flags - flags for the four MSB of any vlan ID field | |
127 | * @BATADV_VLAN_HAS_TAG: whether the field contains a valid vlan tag or not | |
128 | */ | |
129 | enum batadv_vlan_flags { | |
130 | BATADV_VLAN_HAS_TAG = BIT(15), | |
131 | }; | |
132 | ||
23721387 | 133 | /* claim frame types for the bridge loop avoidance */ |
acd34afa | 134 | enum batadv_bla_claimframe { |
3eb8773e SW |
135 | BATADV_CLAIM_TYPE_CLAIM = 0x00, |
136 | BATADV_CLAIM_TYPE_UNCLAIM = 0x01, | |
acd34afa SE |
137 | BATADV_CLAIM_TYPE_ANNOUNCE = 0x02, |
138 | BATADV_CLAIM_TYPE_REQUEST = 0x03, | |
23721387 SW |
139 | }; |
140 | ||
414254e3 ML |
141 | /** |
142 | * enum batadv_tvlv_type - tvlv type definitions | |
143 | * @BATADV_TVLV_GW: gateway tvlv | |
17cf0ea4 | 144 | * @BATADV_TVLV_DAT: distributed arp table tvlv |
3f4841ff | 145 | * @BATADV_TVLV_NC: network coding tvlv |
e1bf0c14 | 146 | * @BATADV_TVLV_TT: translation table tvlv |
122edaa0 | 147 | * @BATADV_TVLV_ROAM: roaming advertisement tvlv |
60432d75 | 148 | * @BATADV_TVLV_MCAST: multicast capability tvlv |
414254e3 ML |
149 | */ |
150 | enum batadv_tvlv_type { | |
151 | BATADV_TVLV_GW = 0x01, | |
17cf0ea4 | 152 | BATADV_TVLV_DAT = 0x02, |
3f4841ff | 153 | BATADV_TVLV_NC = 0x03, |
e1bf0c14 | 154 | BATADV_TVLV_TT = 0x04, |
122edaa0 | 155 | BATADV_TVLV_ROAM = 0x05, |
60432d75 | 156 | BATADV_TVLV_MCAST = 0x06, |
414254e3 ML |
157 | }; |
158 | ||
2f7a3182 | 159 | #pragma pack(2) |
23721387 SW |
160 | /* the destination hardware field in the ARP frame is used to |
161 | * transport the claim type and the group id | |
162 | */ | |
96412690 | 163 | struct batadv_bla_claim_dst { |
23721387 SW |
164 | uint8_t magic[3]; /* FF:43:05 */ |
165 | uint8_t type; /* bla_claimframe */ | |
3e2f1a1b | 166 | __be16 group; /* group id */ |
f6c57a46 | 167 | }; |
2f7a3182 | 168 | #pragma pack() |
23721387 | 169 | |
ef261577 ML |
170 | /** |
171 | * struct batadv_ogm_packet - ogm (routing protocol) packet | |
a40d9b07 SW |
172 | * @packet_type: batman-adv packet type, part of the general header |
173 | * @version: batman-adv protocol version, part of the genereal header | |
174 | * @ttl: time to live for this packet, part of the genereal header | |
18c68d59 | 175 | * @flags: contains routing relevant flags - see enum batadv_iv_flags |
ef261577 ML |
176 | * @tvlv_len: length of tvlv data following the ogm header |
177 | */ | |
96412690 | 178 | struct batadv_ogm_packet { |
a40d9b07 SW |
179 | uint8_t packet_type; |
180 | uint8_t version; | |
181 | uint8_t ttl; | |
18c68d59 | 182 | uint8_t flags; |
e0f5211f | 183 | __be32 seqno; |
c1faead3 AQ |
184 | uint8_t orig[ETH_ALEN]; |
185 | uint8_t prev_sender[ETH_ALEN]; | |
414254e3 | 186 | uint8_t reserved; |
3b27ffb0 | 187 | uint8_t tq; |
ef261577 | 188 | __be16 tvlv_len; |
9284a47e SW |
189 | /* __packed is not needed as the struct size is divisible by 4, |
190 | * and the largest data type in this struct has a size of 4. | |
191 | */ | |
192 | }; | |
c6c8fea2 | 193 | |
96412690 | 194 | #define BATADV_OGM_HLEN sizeof(struct batadv_ogm_packet) |
c6c8fea2 | 195 | |
0bf84c16 | 196 | /** |
27a417e6 | 197 | * batadv_icmp_header - common members among all the ICMP packets |
a40d9b07 SW |
198 | * @packet_type: batman-adv packet type, part of the general header |
199 | * @version: batman-adv protocol version, part of the genereal header | |
200 | * @ttl: time to live for this packet, part of the genereal header | |
0bf84c16 AQ |
201 | * @msg_type: ICMP packet type |
202 | * @dst: address of the destination node | |
203 | * @orig: address of the source node | |
204 | * @uid: local ICMP socket identifier | |
27a417e6 AQ |
205 | * @align: not used - useful for alignment purposes only |
206 | * | |
207 | * This structure is used for ICMP packets parsing only and it is never sent | |
208 | * over the wire. The alignment field at the end is there to ensure that | |
209 | * members are padded the same way as they are in real packets. | |
0bf84c16 AQ |
210 | */ |
211 | struct batadv_icmp_header { | |
a40d9b07 SW |
212 | uint8_t packet_type; |
213 | uint8_t version; | |
214 | uint8_t ttl; | |
3b27ffb0 | 215 | uint8_t msg_type; /* see ICMP message types above */ |
c1faead3 AQ |
216 | uint8_t dst[ETH_ALEN]; |
217 | uint8_t orig[ETH_ALEN]; | |
c6c8fea2 | 218 | uint8_t uid; |
27a417e6 | 219 | uint8_t align[3]; |
0bf84c16 AQ |
220 | }; |
221 | ||
222 | /** | |
223 | * batadv_icmp_packet - ICMP packet | |
27a417e6 AQ |
224 | * @packet_type: batman-adv packet type, part of the general header |
225 | * @version: batman-adv protocol version, part of the genereal header | |
226 | * @ttl: time to live for this packet, part of the genereal header | |
227 | * @msg_type: ICMP packet type | |
228 | * @dst: address of the destination node | |
229 | * @orig: address of the source node | |
230 | * @uid: local ICMP socket identifier | |
0bf84c16 AQ |
231 | * @reserved: not used - useful for alignment |
232 | * @seqno: ICMP sequence number | |
233 | */ | |
234 | struct batadv_icmp_packet { | |
27a417e6 AQ |
235 | uint8_t packet_type; |
236 | uint8_t version; | |
237 | uint8_t ttl; | |
238 | uint8_t msg_type; /* see ICMP message types above */ | |
239 | uint8_t dst[ETH_ALEN]; | |
240 | uint8_t orig[ETH_ALEN]; | |
241 | uint8_t uid; | |
3b27ffb0 | 242 | uint8_t reserved; |
0bf84c16 | 243 | __be16 seqno; |
f6c57a46 | 244 | }; |
c6c8fea2 | 245 | |
7e071c79 | 246 | #define BATADV_RR_LEN 16 |
c6c8fea2 | 247 | |
0bf84c16 AQ |
248 | /** |
249 | * batadv_icmp_packet_rr - ICMP RouteRecord packet | |
27a417e6 AQ |
250 | * @packet_type: batman-adv packet type, part of the general header |
251 | * @version: batman-adv protocol version, part of the genereal header | |
252 | * @ttl: time to live for this packet, part of the genereal header | |
253 | * @msg_type: ICMP packet type | |
254 | * @dst: address of the destination node | |
255 | * @orig: address of the source node | |
256 | * @uid: local ICMP socket identifier | |
0bf84c16 AQ |
257 | * @rr_cur: number of entries the rr array |
258 | * @seqno: ICMP sequence number | |
259 | * @rr: route record array | |
9cfc7bd6 | 260 | */ |
96412690 | 261 | struct batadv_icmp_packet_rr { |
27a417e6 AQ |
262 | uint8_t packet_type; |
263 | uint8_t version; | |
264 | uint8_t ttl; | |
265 | uint8_t msg_type; /* see ICMP message types above */ | |
266 | uint8_t dst[ETH_ALEN]; | |
267 | uint8_t orig[ETH_ALEN]; | |
268 | uint8_t uid; | |
c6c8fea2 | 269 | uint8_t rr_cur; |
0bf84c16 | 270 | __be16 seqno; |
7e071c79 | 271 | uint8_t rr[BATADV_RR_LEN][ETH_ALEN]; |
f6c57a46 | 272 | }; |
c6c8fea2 | 273 | |
da6b8c20 SW |
274 | #define BATADV_ICMP_MAX_PACKET_SIZE sizeof(struct batadv_icmp_packet_rr) |
275 | ||
e022b956 SE |
276 | /* All packet headers in front of an ethernet header have to be completely |
277 | * divisible by 2 but not by 4 to make the payload after the ethernet | |
278 | * header again 4 bytes boundary aligned. | |
279 | * | |
280 | * A packing of 2 is necessary to avoid extra padding at the end of the struct | |
281 | * caused by a structure member which is larger than two bytes. Otherwise | |
282 | * the structure would not fulfill the previously mentioned rule to avoid the | |
283 | * misalignment of the payload after the ethernet header. It may also lead to | |
284 | * leakage of information when the padding it not initialized before sending. | |
285 | */ | |
286 | #pragma pack(2) | |
287 | ||
a40d9b07 SW |
288 | /** |
289 | * struct batadv_unicast_packet - unicast packet for network payload | |
290 | * @packet_type: batman-adv packet type, part of the general header | |
291 | * @version: batman-adv protocol version, part of the genereal header | |
292 | * @ttl: time to live for this packet, part of the genereal header | |
293 | * @ttvn: translation table version number | |
294 | * @dest: originator destination of the unicast packet | |
295 | */ | |
96412690 | 296 | struct batadv_unicast_packet { |
a40d9b07 SW |
297 | uint8_t packet_type; |
298 | uint8_t version; | |
299 | uint8_t ttl; | |
a73105b8 | 300 | uint8_t ttvn; /* destination translation table version number */ |
c1faead3 | 301 | uint8_t dest[ETH_ALEN]; |
f6c57a46 SE |
302 | /* "4 bytes boundary + 2 bytes" long to make the payload after the |
303 | * following ethernet header again 4 bytes boundary aligned | |
304 | */ | |
305 | }; | |
c6c8fea2 | 306 | |
7cdcf6dd AQ |
307 | /** |
308 | * struct batadv_unicast_4addr_packet - extended unicast packet | |
309 | * @u: common unicast packet header | |
310 | * @src: address of the source | |
311 | * @subtype: packet subtype | |
312 | */ | |
313 | struct batadv_unicast_4addr_packet { | |
314 | struct batadv_unicast_packet u; | |
315 | uint8_t src[ETH_ALEN]; | |
316 | uint8_t subtype; | |
317 | uint8_t reserved; | |
318 | /* "4 bytes boundary + 2 bytes" long to make the payload after the | |
319 | * following ethernet header again 4 bytes boundary aligned | |
320 | */ | |
321 | }; | |
322 | ||
610bfc6b MH |
323 | /** |
324 | * struct batadv_frag_packet - fragmented packet | |
a40d9b07 SW |
325 | * @packet_type: batman-adv packet type, part of the general header |
326 | * @version: batman-adv protocol version, part of the genereal header | |
327 | * @ttl: time to live for this packet, part of the genereal header | |
610bfc6b MH |
328 | * @dest: final destination used when routing fragments |
329 | * @orig: originator of the fragment used when merging the packet | |
330 | * @no: fragment number within this sequence | |
331 | * @reserved: reserved byte for alignment | |
332 | * @seqno: sequence identification | |
333 | * @total_size: size of the merged packet | |
334 | */ | |
335 | struct batadv_frag_packet { | |
a40d9b07 SW |
336 | uint8_t packet_type; |
337 | uint8_t version; /* batman version field */ | |
338 | uint8_t ttl; | |
610bfc6b MH |
339 | #if defined(__BIG_ENDIAN_BITFIELD) |
340 | uint8_t no:4; | |
341 | uint8_t reserved:4; | |
342 | #elif defined(__LITTLE_ENDIAN_BITFIELD) | |
343 | uint8_t reserved:4; | |
344 | uint8_t no:4; | |
345 | #else | |
346 | #error "unknown bitfield endianess" | |
347 | #endif | |
348 | uint8_t dest[ETH_ALEN]; | |
349 | uint8_t orig[ETH_ALEN]; | |
350 | __be16 seqno; | |
351 | __be16 total_size; | |
352 | }; | |
353 | ||
a40d9b07 SW |
354 | /** |
355 | * struct batadv_bcast_packet - broadcast packet for network payload | |
356 | * @packet_type: batman-adv packet type, part of the general header | |
357 | * @version: batman-adv protocol version, part of the genereal header | |
358 | * @ttl: time to live for this packet, part of the genereal header | |
359 | * @reserved: reserved byte for alignment | |
360 | * @seqno: sequence identification | |
361 | * @orig: originator of the broadcast packet | |
362 | */ | |
96412690 | 363 | struct batadv_bcast_packet { |
a40d9b07 SW |
364 | uint8_t packet_type; |
365 | uint8_t version; /* batman version field */ | |
366 | uint8_t ttl; | |
3b27ffb0 | 367 | uint8_t reserved; |
3e2f1a1b | 368 | __be32 seqno; |
c1faead3 | 369 | uint8_t orig[ETH_ALEN]; |
f6c57a46 SE |
370 | /* "4 bytes boundary + 2 bytes" long to make the payload after the |
371 | * following ethernet header again 4 bytes boundary aligned | |
372 | */ | |
e022b956 SE |
373 | }; |
374 | ||
3c12de9a MH |
375 | /** |
376 | * struct batadv_coded_packet - network coded packet | |
a40d9b07 SW |
377 | * @packet_type: batman-adv packet type, part of the general header |
378 | * @version: batman-adv protocol version, part of the genereal header | |
379 | * @ttl: time to live for this packet, part of the genereal header | |
3c12de9a MH |
380 | * @reserved: Align following fields to 2-byte boundaries |
381 | * @first_source: original source of first included packet | |
382 | * @first_orig_dest: original destinal of first included packet | |
383 | * @first_crc: checksum of first included packet | |
384 | * @first_ttvn: tt-version number of first included packet | |
385 | * @second_ttl: ttl of second packet | |
386 | * @second_dest: second receiver of this coded packet | |
387 | * @second_source: original source of second included packet | |
388 | * @second_orig_dest: original destination of second included packet | |
389 | * @second_crc: checksum of second included packet | |
390 | * @second_ttvn: tt version number of second included packet | |
391 | * @coded_len: length of network coded part of the payload | |
392 | */ | |
393 | struct batadv_coded_packet { | |
a40d9b07 SW |
394 | uint8_t packet_type; |
395 | uint8_t version; /* batman version field */ | |
396 | uint8_t ttl; | |
3c12de9a MH |
397 | uint8_t first_ttvn; |
398 | /* uint8_t first_dest[ETH_ALEN]; - saved in mac header destination */ | |
399 | uint8_t first_source[ETH_ALEN]; | |
400 | uint8_t first_orig_dest[ETH_ALEN]; | |
401 | __be32 first_crc; | |
402 | uint8_t second_ttl; | |
403 | uint8_t second_ttvn; | |
404 | uint8_t second_dest[ETH_ALEN]; | |
405 | uint8_t second_source[ETH_ALEN]; | |
406 | uint8_t second_orig_dest[ETH_ALEN]; | |
407 | __be32 second_crc; | |
e6a0b495 | 408 | __be16 coded_len; |
3c12de9a MH |
409 | }; |
410 | ||
46b76e0b SW |
411 | #pragma pack() |
412 | ||
ef261577 ML |
413 | /** |
414 | * struct batadv_unicast_tvlv - generic unicast packet with tvlv payload | |
a40d9b07 SW |
415 | * @packet_type: batman-adv packet type, part of the general header |
416 | * @version: batman-adv protocol version, part of the genereal header | |
417 | * @ttl: time to live for this packet, part of the genereal header | |
ef261577 ML |
418 | * @reserved: reserved field (for packet alignment) |
419 | * @src: address of the source | |
420 | * @dst: address of the destination | |
421 | * @tvlv_len: length of tvlv data following the unicast tvlv header | |
422 | * @align: 2 bytes to align the header to a 4 byte boundry | |
423 | */ | |
424 | struct batadv_unicast_tvlv_packet { | |
a40d9b07 SW |
425 | uint8_t packet_type; |
426 | uint8_t version; /* batman version field */ | |
427 | uint8_t ttl; | |
ef261577 ML |
428 | uint8_t reserved; |
429 | uint8_t dst[ETH_ALEN]; | |
430 | uint8_t src[ETH_ALEN]; | |
431 | __be16 tvlv_len; | |
432 | uint16_t align; | |
433 | }; | |
434 | ||
435 | /** | |
436 | * struct batadv_tvlv_hdr - base tvlv header struct | |
437 | * @type: tvlv container type (see batadv_tvlv_type) | |
438 | * @version: tvlv container version | |
439 | * @len: tvlv container length | |
440 | */ | |
441 | struct batadv_tvlv_hdr { | |
442 | uint8_t type; | |
443 | uint8_t version; | |
444 | __be16 len; | |
445 | }; | |
446 | ||
414254e3 ML |
447 | /** |
448 | * struct batadv_tvlv_gateway_data - gateway data propagated through gw tvlv | |
449 | * container | |
450 | * @bandwidth_down: advertised uplink download bandwidth | |
451 | * @bandwidth_up: advertised uplink upload bandwidth | |
452 | */ | |
453 | struct batadv_tvlv_gateway_data { | |
454 | __be32 bandwidth_down; | |
455 | __be32 bandwidth_up; | |
456 | }; | |
457 | ||
e1bf0c14 ML |
458 | /** |
459 | * struct batadv_tvlv_tt_data - tt data propagated through the tt tvlv container | |
460 | * @flags: translation table flags (see batadv_tt_data_flags) | |
461 | * @ttvn: translation table version number | |
7ea7b4a1 AQ |
462 | * @vlan_num: number of announced VLANs. In the TVLV this struct is followed by |
463 | * one batadv_tvlv_tt_vlan_data object per announced vlan | |
e1bf0c14 ML |
464 | */ |
465 | struct batadv_tvlv_tt_data { | |
466 | uint8_t flags; | |
467 | uint8_t ttvn; | |
7ea7b4a1 AQ |
468 | __be16 num_vlan; |
469 | }; | |
470 | ||
471 | /** | |
472 | * struct batadv_tvlv_tt_vlan_data - vlan specific tt data propagated through | |
473 | * the tt tvlv container | |
474 | * @crc: crc32 checksum of the entries belonging to this vlan | |
475 | * @vid: vlan identifier | |
476 | * @reserved: unused, useful for alignment purposes | |
477 | */ | |
478 | struct batadv_tvlv_tt_vlan_data { | |
479 | __be32 crc; | |
480 | __be16 vid; | |
ced72933 | 481 | uint16_t reserved; |
e1bf0c14 ML |
482 | }; |
483 | ||
484 | /** | |
485 | * struct batadv_tvlv_tt_change - translation table diff data | |
486 | * @flags: status indicators concerning the non-mesh client (see | |
487 | * batadv_tt_client_flags) | |
ca663046 | 488 | * @reserved: reserved field - useful for alignment purposes only |
e1bf0c14 | 489 | * @addr: mac address of non-mesh client that triggered this tt change |
c018ad3d | 490 | * @vid: VLAN identifier |
e1bf0c14 ML |
491 | */ |
492 | struct batadv_tvlv_tt_change { | |
493 | uint8_t flags; | |
ca663046 | 494 | uint8_t reserved[3]; |
e1bf0c14 | 495 | uint8_t addr[ETH_ALEN]; |
c018ad3d | 496 | __be16 vid; |
e1bf0c14 ML |
497 | }; |
498 | ||
122edaa0 ML |
499 | /** |
500 | * struct batadv_tvlv_roam_adv - roaming advertisement | |
501 | * @client: mac address of roaming client | |
c018ad3d | 502 | * @vid: VLAN identifier |
122edaa0 ML |
503 | */ |
504 | struct batadv_tvlv_roam_adv { | |
505 | uint8_t client[ETH_ALEN]; | |
c018ad3d | 506 | __be16 vid; |
122edaa0 ML |
507 | }; |
508 | ||
60432d75 LL |
509 | /** |
510 | * struct batadv_tvlv_mcast_data - payload of a multicast tvlv | |
511 | * @flags: multicast flags announced by the orig node | |
512 | * @reserved: reserved field | |
513 | */ | |
514 | struct batadv_tvlv_mcast_data { | |
515 | uint8_t flags; | |
516 | uint8_t reserved[3]; | |
517 | }; | |
518 | ||
c6c8fea2 | 519 | #endif /* _NET_BATMAN_ADV_PACKET_H_ */ |