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9cfc7bd6 | 1 | /* Copyright (C) 2007-2012 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 | |
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 | |
c6c8fea2 SE |
18 | */ |
19 | ||
c6c8fea2 SE |
20 | #ifndef _NET_BATMAN_ADV_TYPES_H_ |
21 | #define _NET_BATMAN_ADV_TYPES_H_ | |
22 | ||
23 | #include "packet.h" | |
24 | #include "bitarray.h" | |
c11fdfae | 25 | #include <linux/kernel.h> |
c6c8fea2 | 26 | |
c11fdfae | 27 | #define BATADV_HEADER_LEN \ |
96412690 SE |
28 | (ETH_HLEN + max(sizeof(struct batadv_unicast_packet), \ |
29 | sizeof(struct batadv_bcast_packet))) | |
c6c8fea2 | 30 | |
17224474 AQ |
31 | #ifdef CONFIG_BATMAN_ADV_DAT |
32 | ||
785ea114 AQ |
33 | /* batadv_dat_addr_t is the type used for all DHT addresses. If it is changed, |
34 | * BATADV_DAT_ADDR_MAX is changed as well. | |
35 | * | |
36 | * *Please be careful: batadv_dat_addr_t must be UNSIGNED* | |
37 | */ | |
38 | #define batadv_dat_addr_t uint16_t | |
39 | ||
17224474 AQ |
40 | #endif /* CONFIG_BATMAN_ADV_DAT */ |
41 | ||
14511519 ML |
42 | /** |
43 | * struct batadv_hard_iface_bat_iv - per hard interface B.A.T.M.A.N. IV data | |
44 | * @ogm_buff: buffer holding the OGM packet | |
45 | * @ogm_buff_len: length of the OGM packet buffer | |
46 | * @ogm_seqno: OGM sequence number - used to identify each OGM | |
47 | */ | |
48 | struct batadv_hard_iface_bat_iv { | |
49 | unsigned char *ogm_buff; | |
50 | int ogm_buff_len; | |
51 | atomic_t ogm_seqno; | |
52 | }; | |
53 | ||
56303d34 | 54 | struct batadv_hard_iface { |
c6c8fea2 SE |
55 | struct list_head list; |
56 | int16_t if_num; | |
57 | char if_status; | |
58 | struct net_device *net_dev; | |
c6c8fea2 | 59 | atomic_t frag_seqno; |
c6c8fea2 | 60 | struct kobject *hardif_obj; |
ed75ccbe | 61 | atomic_t refcount; |
c6c8fea2 SE |
62 | struct packet_type batman_adv_ptype; |
63 | struct net_device *soft_iface; | |
64 | struct rcu_head rcu; | |
14511519 | 65 | struct batadv_hard_iface_bat_iv bat_iv; |
c6c8fea2 SE |
66 | }; |
67 | ||
2c53040f BH |
68 | /** |
69 | * struct batadv_orig_node - structure for orig_list maintaining nodes of mesh | |
c6c8fea2 | 70 | * @primary_addr: hosts primary interface address |
d7b2a97e | 71 | * @last_seen: when last packet from this node was received |
c6c8fea2 SE |
72 | * @bcast_seqno_reset: time when the broadcast seqno window was reset |
73 | * @batman_seqno_reset: time when the batman seqno window was reset | |
74 | * @gw_flags: flags related to gateway class | |
75 | * @flags: for now only VIS_SERVER flag | |
015758d0 | 76 | * @last_real_seqno: last and best known sequence number |
c6c8fea2 SE |
77 | * @last_ttl: ttl of last received packet |
78 | * @last_bcast_seqno: last broadcast sequence number received by this host | |
79 | * | |
80 | * @candidates: how many candidates are available | |
81 | * @selected: next bonding candidate | |
82 | */ | |
56303d34 | 83 | struct batadv_orig_node { |
c6c8fea2 SE |
84 | uint8_t orig[ETH_ALEN]; |
85 | uint8_t primary_addr[ETH_ALEN]; | |
56303d34 | 86 | struct batadv_neigh_node __rcu *router; /* rcu protected pointer */ |
17224474 | 87 | #ifdef CONFIG_BATMAN_ADV_DAT |
785ea114 | 88 | batadv_dat_addr_t dat_addr; |
17224474 | 89 | #endif |
c6c8fea2 SE |
90 | unsigned long *bcast_own; |
91 | uint8_t *bcast_own_sum; | |
d7b2a97e | 92 | unsigned long last_seen; |
c6c8fea2 SE |
93 | unsigned long bcast_seqno_reset; |
94 | unsigned long batman_seqno_reset; | |
95 | uint8_t gw_flags; | |
96 | uint8_t flags; | |
a73105b8 AQ |
97 | atomic_t last_ttvn; /* last seen translation table version number */ |
98 | uint16_t tt_crc; | |
2dafb49d AQ |
99 | unsigned char *tt_buff; |
100 | int16_t tt_buff_len; | |
a73105b8 AQ |
101 | spinlock_t tt_buff_lock; /* protects tt_buff */ |
102 | atomic_t tt_size; | |
17071578 | 103 | bool tt_initialised; |
cc47f66e AQ |
104 | /* The tt_poss_change flag is used to detect an ongoing roaming phase. |
105 | * If true, then I sent a Roaming_adv to this orig_node and I have to | |
106 | * inspect every packet directed to it to check whether it is still | |
107 | * the true destination or not. This flag will be reset to false as | |
9cfc7bd6 SE |
108 | * soon as I receive a new TTVN from this orig_node |
109 | */ | |
cc47f66e | 110 | bool tt_poss_change; |
c6c8fea2 SE |
111 | uint32_t last_real_seqno; |
112 | uint8_t last_ttl; | |
42d0b044 | 113 | DECLARE_BITMAP(bcast_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); |
c6c8fea2 | 114 | uint32_t last_bcast_seqno; |
9591a79f | 115 | struct hlist_head neigh_list; |
c6c8fea2 | 116 | struct list_head frag_list; |
e1a5382f | 117 | spinlock_t neigh_list_lock; /* protects neigh_list and router */ |
7b36e8ee ML |
118 | atomic_t refcount; |
119 | struct rcu_head rcu; | |
7aadf889 | 120 | struct hlist_node hash_entry; |
56303d34 | 121 | struct batadv_priv *bat_priv; |
c6c8fea2 | 122 | unsigned long last_frag_packet; |
6e215fd8 | 123 | /* ogm_cnt_lock protects: bcast_own, bcast_own_sum, |
9cfc7bd6 SE |
124 | * neigh_node->real_bits, neigh_node->real_packet_count |
125 | */ | |
6e215fd8 SE |
126 | spinlock_t ogm_cnt_lock; |
127 | /* bcast_seqno_lock protects bcast_bits, last_bcast_seqno */ | |
128 | spinlock_t bcast_seqno_lock; | |
a73105b8 | 129 | spinlock_t tt_list_lock; /* protects tt_list */ |
a4c135c5 SW |
130 | atomic_t bond_candidates; |
131 | struct list_head bond_list; | |
c6c8fea2 SE |
132 | }; |
133 | ||
56303d34 | 134 | struct batadv_gw_node { |
c6c8fea2 | 135 | struct hlist_node list; |
56303d34 | 136 | struct batadv_orig_node *orig_node; |
c6c8fea2 | 137 | unsigned long deleted; |
25b6d3c1 | 138 | atomic_t refcount; |
c6c8fea2 SE |
139 | struct rcu_head rcu; |
140 | }; | |
141 | ||
56303d34 | 142 | /* batadv_neigh_node |
d7b2a97e | 143 | * @last_seen: when last packet via this neighbor was received |
c6c8fea2 | 144 | */ |
56303d34 | 145 | struct batadv_neigh_node { |
9591a79f | 146 | struct hlist_node list; |
c6c8fea2 SE |
147 | uint8_t addr[ETH_ALEN]; |
148 | uint8_t real_packet_count; | |
42d0b044 | 149 | uint8_t tq_recv[BATADV_TQ_GLOBAL_WINDOW_SIZE]; |
c6c8fea2 SE |
150 | uint8_t tq_index; |
151 | uint8_t tq_avg; | |
152 | uint8_t last_ttl; | |
a4c135c5 | 153 | struct list_head bonding_list; |
d7b2a97e | 154 | unsigned long last_seen; |
42d0b044 | 155 | DECLARE_BITMAP(real_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); |
44524fcd | 156 | atomic_t refcount; |
f987ed6e | 157 | struct rcu_head rcu; |
56303d34 SE |
158 | struct batadv_orig_node *orig_node; |
159 | struct batadv_hard_iface *if_incoming; | |
e3b0d0de | 160 | spinlock_t lq_update_lock; /* protects: tq_recv, tq_index */ |
c6c8fea2 SE |
161 | }; |
162 | ||
7a5cc242 | 163 | #ifdef CONFIG_BATMAN_ADV_BLA |
56303d34 | 164 | struct batadv_bcast_duplist_entry { |
fe2da6ff SW |
165 | uint8_t orig[ETH_ALEN]; |
166 | uint16_t crc; | |
167 | unsigned long entrytime; | |
168 | }; | |
7a5cc242 | 169 | #endif |
c6c8fea2 | 170 | |
d69909d2 | 171 | enum batadv_counters { |
1c9b0550 ML |
172 | BATADV_CNT_TX, |
173 | BATADV_CNT_TX_BYTES, | |
174 | BATADV_CNT_TX_DROPPED, | |
175 | BATADV_CNT_RX, | |
176 | BATADV_CNT_RX_BYTES, | |
d69909d2 SE |
177 | BATADV_CNT_FORWARD, |
178 | BATADV_CNT_FORWARD_BYTES, | |
179 | BATADV_CNT_MGMT_TX, | |
180 | BATADV_CNT_MGMT_TX_BYTES, | |
181 | BATADV_CNT_MGMT_RX, | |
182 | BATADV_CNT_MGMT_RX_BYTES, | |
183 | BATADV_CNT_TT_REQUEST_TX, | |
184 | BATADV_CNT_TT_REQUEST_RX, | |
185 | BATADV_CNT_TT_RESPONSE_TX, | |
186 | BATADV_CNT_TT_RESPONSE_RX, | |
187 | BATADV_CNT_TT_ROAM_ADV_TX, | |
188 | BATADV_CNT_TT_ROAM_ADV_RX, | |
189 | BATADV_CNT_NUM, | |
f8214865 MH |
190 | }; |
191 | ||
807736f6 SE |
192 | /** |
193 | * struct batadv_priv_tt - per mesh interface translation table data | |
194 | * @vn: translation table version number | |
195 | * @local_changes: changes registered in an originator interval | |
196 | * @poss_change: Detect an ongoing roaming phase. If true, then this node | |
197 | * received a roaming_adv and has to inspect every packet directed to it to | |
198 | * check whether it still is the true destination or not. This flag will be | |
199 | * reset to false as soon as the this node's ttvn is increased | |
200 | * @changes_list: tracks tt local changes within an originator interval | |
201 | * @req_list: list of pending tt_requests | |
202 | * @local_crc: Checksum of the local table, recomputed before sending a new OGM | |
203 | */ | |
204 | struct batadv_priv_tt { | |
205 | atomic_t vn; | |
206 | atomic_t ogm_append_cnt; | |
207 | atomic_t local_changes; | |
208 | bool poss_change; | |
209 | struct list_head changes_list; | |
210 | struct batadv_hashtable *local_hash; | |
211 | struct batadv_hashtable *global_hash; | |
212 | struct list_head req_list; | |
213 | struct list_head roam_list; | |
214 | spinlock_t changes_list_lock; /* protects changes */ | |
215 | spinlock_t req_list_lock; /* protects req_list */ | |
216 | spinlock_t roam_list_lock; /* protects roam_list */ | |
217 | atomic_t local_entry_num; | |
218 | uint16_t local_crc; | |
219 | unsigned char *last_changeset; | |
220 | int16_t last_changeset_len; | |
221 | spinlock_t last_changeset_lock; /* protects last_changeset */ | |
222 | struct delayed_work work; | |
223 | }; | |
224 | ||
225 | #ifdef CONFIG_BATMAN_ADV_BLA | |
226 | struct batadv_priv_bla { | |
227 | atomic_t num_requests; /* number of bla requests in flight */ | |
228 | struct batadv_hashtable *claim_hash; | |
229 | struct batadv_hashtable *backbone_hash; | |
230 | struct batadv_bcast_duplist_entry bcast_duplist[BATADV_DUPLIST_SIZE]; | |
231 | int bcast_duplist_curr; | |
7dac7b76 LL |
232 | /* protects bcast_duplist and bcast_duplist_curr */ |
233 | spinlock_t bcast_duplist_lock; | |
807736f6 SE |
234 | struct batadv_bla_claim_dst claim_dest; |
235 | struct delayed_work work; | |
236 | }; | |
237 | #endif | |
238 | ||
239 | struct batadv_priv_gw { | |
240 | struct hlist_head list; | |
241 | spinlock_t list_lock; /* protects gw_list and curr_gw */ | |
242 | struct batadv_gw_node __rcu *curr_gw; /* rcu protected pointer */ | |
243 | atomic_t reselect; | |
244 | }; | |
245 | ||
246 | struct batadv_priv_vis { | |
247 | struct list_head send_list; | |
248 | struct batadv_hashtable *hash; | |
249 | spinlock_t hash_lock; /* protects hash */ | |
250 | spinlock_t list_lock; /* protects info::recv_list */ | |
251 | struct delayed_work work; | |
252 | struct batadv_vis_info *my_info; | |
253 | }; | |
254 | ||
785ea114 AQ |
255 | /** |
256 | * struct batadv_priv_dat - per mesh interface DAT private data | |
257 | * @addr: node DAT address | |
2f1dfbe1 AQ |
258 | * @hash: hashtable representing the local ARP cache |
259 | * @work: work queue callback item for cache purging | |
785ea114 | 260 | */ |
17224474 | 261 | #ifdef CONFIG_BATMAN_ADV_DAT |
785ea114 AQ |
262 | struct batadv_priv_dat { |
263 | batadv_dat_addr_t addr; | |
2f1dfbe1 AQ |
264 | struct batadv_hashtable *hash; |
265 | struct delayed_work work; | |
785ea114 | 266 | }; |
17224474 | 267 | #endif |
785ea114 | 268 | |
56303d34 | 269 | struct batadv_priv { |
c6c8fea2 SE |
270 | atomic_t mesh_state; |
271 | struct net_device_stats stats; | |
f8214865 | 272 | uint64_t __percpu *bat_counters; /* Per cpu counters */ |
c6c8fea2 SE |
273 | atomic_t aggregated_ogms; /* boolean */ |
274 | atomic_t bonding; /* boolean */ | |
275 | atomic_t fragmentation; /* boolean */ | |
59b699cd | 276 | atomic_t ap_isolation; /* boolean */ |
23721387 | 277 | atomic_t bridge_loop_avoidance; /* boolean */ |
c6c8fea2 SE |
278 | atomic_t vis_mode; /* VIS_TYPE_* */ |
279 | atomic_t gw_mode; /* GW_MODE_* */ | |
280 | atomic_t gw_sel_class; /* uint */ | |
281 | atomic_t gw_bandwidth; /* gw bandwidth */ | |
282 | atomic_t orig_interval; /* uint */ | |
283 | atomic_t hop_penalty; /* uint */ | |
284 | atomic_t log_level; /* uint */ | |
285 | atomic_t bcast_seqno; | |
286 | atomic_t bcast_queue_left; | |
287 | atomic_t batman_queue_left; | |
288 | char num_ifaces; | |
56303d34 | 289 | struct batadv_debug_log *debug_log; |
c6c8fea2 SE |
290 | struct kobject *mesh_obj; |
291 | struct dentry *debug_dir; | |
292 | struct hlist_head forw_bat_list; | |
293 | struct hlist_head forw_bcast_list; | |
5bf74e9c | 294 | struct batadv_hashtable *orig_hash; |
c6c8fea2 SE |
295 | spinlock_t forw_bat_list_lock; /* protects forw_bat_list */ |
296 | spinlock_t forw_bcast_list_lock; /* protects */ | |
c6c8fea2 | 297 | struct delayed_work orig_work; |
56303d34 | 298 | struct batadv_hard_iface __rcu *primary_if; /* rcu protected pointer */ |
56303d34 | 299 | struct batadv_algo_ops *bat_algo_ops; |
807736f6 SE |
300 | #ifdef CONFIG_BATMAN_ADV_BLA |
301 | struct batadv_priv_bla bla; | |
302 | #endif | |
303 | struct batadv_priv_gw gw; | |
304 | struct batadv_priv_tt tt; | |
305 | struct batadv_priv_vis vis; | |
17224474 | 306 | #ifdef CONFIG_BATMAN_ADV_DAT |
785ea114 | 307 | struct batadv_priv_dat dat; |
17224474 | 308 | #endif |
c6c8fea2 SE |
309 | }; |
310 | ||
56303d34 | 311 | struct batadv_socket_client { |
c6c8fea2 SE |
312 | struct list_head queue_list; |
313 | unsigned int queue_len; | |
314 | unsigned char index; | |
315 | spinlock_t lock; /* protects queue_list, queue_len, index */ | |
316 | wait_queue_head_t queue_wait; | |
56303d34 | 317 | struct batadv_priv *bat_priv; |
c6c8fea2 SE |
318 | }; |
319 | ||
56303d34 | 320 | struct batadv_socket_packet { |
c6c8fea2 SE |
321 | struct list_head list; |
322 | size_t icmp_len; | |
96412690 | 323 | struct batadv_icmp_packet_rr icmp_packet; |
c6c8fea2 SE |
324 | }; |
325 | ||
56303d34 | 326 | struct batadv_tt_common_entry { |
c6c8fea2 | 327 | uint8_t addr[ETH_ALEN]; |
93840ac4 | 328 | struct hlist_node hash_entry; |
5fbc1598 | 329 | uint16_t flags; |
30cfd02b | 330 | unsigned long added_at; |
7683fdc1 AQ |
331 | atomic_t refcount; |
332 | struct rcu_head rcu; | |
c6c8fea2 SE |
333 | }; |
334 | ||
56303d34 SE |
335 | struct batadv_tt_local_entry { |
336 | struct batadv_tt_common_entry common; | |
48100bac AQ |
337 | unsigned long last_seen; |
338 | }; | |
339 | ||
56303d34 SE |
340 | struct batadv_tt_global_entry { |
341 | struct batadv_tt_common_entry common; | |
db08e6e5 SW |
342 | struct hlist_head orig_list; |
343 | spinlock_t list_lock; /* protects the list */ | |
344 | unsigned long roam_at; /* time at which TT_GLOBAL_ROAM was set */ | |
345 | }; | |
346 | ||
56303d34 SE |
347 | struct batadv_tt_orig_list_entry { |
348 | struct batadv_orig_node *orig_node; | |
a73105b8 | 349 | uint8_t ttvn; |
d657e621 | 350 | atomic_t refcount; |
db08e6e5 SW |
351 | struct rcu_head rcu; |
352 | struct hlist_node list; | |
c6c8fea2 SE |
353 | }; |
354 | ||
7a5cc242 | 355 | #ifdef CONFIG_BATMAN_ADV_BLA |
56303d34 | 356 | struct batadv_backbone_gw { |
23721387 SW |
357 | uint8_t orig[ETH_ALEN]; |
358 | short vid; /* used VLAN ID */ | |
359 | struct hlist_node hash_entry; | |
56303d34 | 360 | struct batadv_priv *bat_priv; |
23721387 SW |
361 | unsigned long lasttime; /* last time we heard of this backbone gw */ |
362 | atomic_t request_sent; | |
363 | atomic_t refcount; | |
364 | struct rcu_head rcu; | |
365 | uint16_t crc; /* crc checksum over all claims */ | |
366 | }; | |
367 | ||
56303d34 | 368 | struct batadv_claim { |
23721387 SW |
369 | uint8_t addr[ETH_ALEN]; |
370 | short vid; | |
56303d34 | 371 | struct batadv_backbone_gw *backbone_gw; |
23721387 SW |
372 | unsigned long lasttime; /* last time we heard of claim (locals only) */ |
373 | struct rcu_head rcu; | |
374 | atomic_t refcount; | |
375 | struct hlist_node hash_entry; | |
376 | }; | |
7a5cc242 | 377 | #endif |
23721387 | 378 | |
56303d34 | 379 | struct batadv_tt_change_node { |
a73105b8 | 380 | struct list_head list; |
96412690 | 381 | struct batadv_tt_change change; |
a73105b8 AQ |
382 | }; |
383 | ||
56303d34 | 384 | struct batadv_tt_req_node { |
a73105b8 AQ |
385 | uint8_t addr[ETH_ALEN]; |
386 | unsigned long issued_at; | |
387 | struct list_head list; | |
388 | }; | |
389 | ||
56303d34 | 390 | struct batadv_tt_roam_node { |
cc47f66e AQ |
391 | uint8_t addr[ETH_ALEN]; |
392 | atomic_t counter; | |
393 | unsigned long first_time; | |
394 | struct list_head list; | |
395 | }; | |
396 | ||
9cfc7bd6 | 397 | /* forw_packet - structure for forw_list maintaining packets to be |
c6c8fea2 SE |
398 | * send/forwarded |
399 | */ | |
56303d34 | 400 | struct batadv_forw_packet { |
c6c8fea2 SE |
401 | struct hlist_node list; |
402 | unsigned long send_time; | |
403 | uint8_t own; | |
404 | struct sk_buff *skb; | |
405 | uint16_t packet_len; | |
406 | uint32_t direct_link_flags; | |
407 | uint8_t num_packets; | |
408 | struct delayed_work delayed_work; | |
56303d34 | 409 | struct batadv_hard_iface *if_incoming; |
c6c8fea2 SE |
410 | }; |
411 | ||
412 | /* While scanning for vis-entries of a particular vis-originator | |
413 | * this list collects its interfaces to create a subgraph/cluster | |
414 | * out of them later | |
415 | */ | |
56303d34 | 416 | struct batadv_if_list_entry { |
c6c8fea2 SE |
417 | uint8_t addr[ETH_ALEN]; |
418 | bool primary; | |
419 | struct hlist_node list; | |
420 | }; | |
421 | ||
56303d34 | 422 | struct batadv_debug_log { |
42d0b044 | 423 | char log_buff[BATADV_LOG_BUF_LEN]; |
c6c8fea2 SE |
424 | unsigned long log_start; |
425 | unsigned long log_end; | |
426 | spinlock_t lock; /* protects log_buff, log_start and log_end */ | |
427 | wait_queue_head_t queue_wait; | |
428 | }; | |
429 | ||
56303d34 | 430 | struct batadv_frag_packet_list_entry { |
c6c8fea2 SE |
431 | struct list_head list; |
432 | uint16_t seqno; | |
433 | struct sk_buff *skb; | |
434 | }; | |
435 | ||
56303d34 | 436 | struct batadv_vis_info { |
40219672 AQ |
437 | unsigned long first_seen; |
438 | /* list of server-neighbors we received a vis-packet | |
9cfc7bd6 SE |
439 | * from. we should not reply to them. |
440 | */ | |
40219672 | 441 | struct list_head recv_list; |
c6c8fea2 SE |
442 | struct list_head send_list; |
443 | struct kref refcount; | |
7aadf889 | 444 | struct hlist_node hash_entry; |
56303d34 | 445 | struct batadv_priv *bat_priv; |
c6c8fea2 SE |
446 | /* this packet might be part of the vis send queue. */ |
447 | struct sk_buff *skb_packet; | |
9cfc7bd6 | 448 | /* vis_info may follow here */ |
aa0adb1a | 449 | } __packed; |
c6c8fea2 | 450 | |
56303d34 | 451 | struct batadv_vis_info_entry { |
c6c8fea2 SE |
452 | uint8_t src[ETH_ALEN]; |
453 | uint8_t dest[ETH_ALEN]; | |
2dafb49d | 454 | uint8_t quality; /* quality = 0 client */ |
aa0adb1a | 455 | } __packed; |
c6c8fea2 | 456 | |
56303d34 | 457 | struct batadv_recvlist_node { |
c6c8fea2 SE |
458 | struct list_head list; |
459 | uint8_t mac[ETH_ALEN]; | |
460 | }; | |
461 | ||
56303d34 | 462 | struct batadv_algo_ops { |
1c280471 ML |
463 | struct hlist_node list; |
464 | char *name; | |
c2aca022 | 465 | /* init routing info when hard-interface is enabled */ |
56303d34 | 466 | int (*bat_iface_enable)(struct batadv_hard_iface *hard_iface); |
00a50076 | 467 | /* de-init routing info when hard-interface is disabled */ |
56303d34 | 468 | void (*bat_iface_disable)(struct batadv_hard_iface *hard_iface); |
c3229398 ML |
469 | /* (re-)init mac addresses of the protocol information |
470 | * belonging to this hard-interface | |
471 | */ | |
56303d34 | 472 | void (*bat_iface_update_mac)(struct batadv_hard_iface *hard_iface); |
cd8b78e7 | 473 | /* called when primary interface is selected / changed */ |
56303d34 | 474 | void (*bat_primary_iface_set)(struct batadv_hard_iface *hard_iface); |
01c4224b | 475 | /* prepare a new outgoing OGM for the send queue */ |
56303d34 | 476 | void (*bat_ogm_schedule)(struct batadv_hard_iface *hard_iface); |
01c4224b | 477 | /* send scheduled OGM */ |
56303d34 | 478 | void (*bat_ogm_emit)(struct batadv_forw_packet *forw_packet); |
1c280471 ML |
479 | }; |
480 | ||
2f1dfbe1 AQ |
481 | /** |
482 | * struct batadv_dat_entry - it is a single entry of batman-adv ARP backend. It | |
483 | * is used to stored ARP entries needed for the global DAT cache | |
484 | * @ip: the IPv4 corresponding to this DAT/ARP entry | |
485 | * @mac_addr: the MAC address associated to the stored IPv4 | |
486 | * @last_update: time in jiffies when this entry was refreshed last time | |
487 | * @hash_entry: hlist node for batadv_priv_dat::hash | |
488 | * @refcount: number of contexts the object is used | |
489 | * @rcu: struct used for freeing in an RCU-safe manner | |
490 | */ | |
491 | struct batadv_dat_entry { | |
492 | __be32 ip; | |
493 | uint8_t mac_addr[ETH_ALEN]; | |
494 | unsigned long last_update; | |
495 | struct hlist_node hash_entry; | |
496 | atomic_t refcount; | |
497 | struct rcu_head rcu; | |
498 | }; | |
499 | ||
785ea114 AQ |
500 | /** |
501 | * struct batadv_dat_candidate - candidate destination for DAT operations | |
502 | * @type: the type of the selected candidate. It can one of the following: | |
503 | * - BATADV_DAT_CANDIDATE_NOT_FOUND | |
504 | * - BATADV_DAT_CANDIDATE_ORIG | |
505 | * @orig_node: if type is BATADV_DAT_CANDIDATE_ORIG this field points to the | |
506 | * corresponding originator node structure | |
507 | */ | |
508 | struct batadv_dat_candidate { | |
509 | int type; | |
510 | struct batadv_orig_node *orig_node; | |
511 | }; | |
512 | ||
c6c8fea2 | 513 | #endif /* _NET_BATMAN_ADV_TYPES_H_ */ |