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7db7d9f3 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
7a79d717 | 2 | /* Copyright (C) 2007-2019 B.A.T.M.A.N. contributors: |
c6c8fea2 SE |
3 | * |
4 | * Marek Lindner, Simon Wunderlich | |
c6c8fea2 SE |
5 | */ |
6 | ||
c6c8fea2 SE |
7 | #ifndef _NET_BATMAN_ADV_TYPES_H_ |
8 | #define _NET_BATMAN_ADV_TYPES_H_ | |
9 | ||
1e2c2a4f SE |
10 | #ifndef _NET_BATMAN_ADV_MAIN_H_ |
11 | #error only "main.h" can be included directly | |
12 | #endif | |
13 | ||
162bd64c | 14 | #include <linux/average.h> |
1e2c2a4f SE |
15 | #include <linux/bitops.h> |
16 | #include <linux/compiler.h> | |
17 | #include <linux/if_ether.h> | |
90f564df | 18 | #include <linux/kref.h> |
1e2c2a4f | 19 | #include <linux/netdevice.h> |
85cf8c85 | 20 | #include <linux/netlink.h> |
1e2c2a4f SE |
21 | #include <linux/sched.h> /* for linux/wait.h */ |
22 | #include <linux/spinlock.h> | |
23 | #include <linux/types.h> | |
24 | #include <linux/wait.h> | |
25 | #include <linux/workqueue.h> | |
fec149f5 | 26 | #include <uapi/linux/batadv_packet.h> |
33a3bb4a | 27 | #include <uapi/linux/batman_adv.h> |
1e2c2a4f | 28 | |
1e2c2a4f | 29 | struct seq_file; |
c6c8fea2 | 30 | |
17224474 AQ |
31 | #ifdef CONFIG_BATMAN_ADV_DAT |
32 | ||
151dcb3c | 33 | /** |
993a4a5f SE |
34 | * typedef batadv_dat_addr_t - type used for all DHT addresses |
35 | * | |
36 | * If it is changed, BATADV_DAT_ADDR_MAX is changed as well. | |
785ea114 AQ |
37 | * |
38 | * *Please be careful: batadv_dat_addr_t must be UNSIGNED* | |
39 | */ | |
993a4a5f | 40 | typedef u16 batadv_dat_addr_t; |
785ea114 | 41 | |
17224474 AQ |
42 | #endif /* CONFIG_BATMAN_ADV_DAT */ |
43 | ||
6c413b1c AQ |
44 | /** |
45 | * enum batadv_dhcp_recipient - dhcp destination | |
6c413b1c AQ |
46 | */ |
47 | enum batadv_dhcp_recipient { | |
8b84cc4f | 48 | /** @BATADV_DHCP_NO: packet is not a dhcp message */ |
6c413b1c | 49 | BATADV_DHCP_NO = 0, |
8b84cc4f SE |
50 | |
51 | /** @BATADV_DHCP_TO_SERVER: dhcp message is directed to a server */ | |
6c413b1c | 52 | BATADV_DHCP_TO_SERVER, |
8b84cc4f SE |
53 | |
54 | /** @BATADV_DHCP_TO_CLIENT: dhcp message is directed to a client */ | |
6c413b1c AQ |
55 | BATADV_DHCP_TO_CLIENT, |
56 | }; | |
57 | ||
3c4f7ab6 AQ |
58 | /** |
59 | * BATADV_TT_REMOTE_MASK - bitmask selecting the flags that are sent over the | |
60 | * wire only | |
61 | */ | |
62 | #define BATADV_TT_REMOTE_MASK 0x00FF | |
63 | ||
0eb01568 AQ |
64 | /** |
65 | * BATADV_TT_SYNC_MASK - bitmask of the flags that need to be kept in sync | |
66 | * among the nodes. These flags are used to compute the global/local CRC | |
67 | */ | |
68 | #define BATADV_TT_SYNC_MASK 0x00F0 | |
69 | ||
14511519 | 70 | /** |
d1f68250 | 71 | * struct batadv_hard_iface_bat_iv - per hard-interface B.A.T.M.A.N. IV data |
14511519 ML |
72 | */ |
73 | struct batadv_hard_iface_bat_iv { | |
8b84cc4f | 74 | /** @ogm_buff: buffer holding the OGM packet */ |
14511519 | 75 | unsigned char *ogm_buff; |
8b84cc4f SE |
76 | |
77 | /** @ogm_buff_len: length of the OGM packet buffer */ | |
14511519 | 78 | int ogm_buff_len; |
8b84cc4f SE |
79 | |
80 | /** @ogm_seqno: OGM sequence number - used to identify each OGM */ | |
14511519 ML |
81 | atomic_t ogm_seqno; |
82 | }; | |
83 | ||
c833484e AQ |
84 | /** |
85 | * enum batadv_v_hard_iface_flags - interface flags useful to B.A.T.M.A.N. V | |
c833484e AQ |
86 | */ |
87 | enum batadv_v_hard_iface_flags { | |
8b84cc4f SE |
88 | /** |
89 | * @BATADV_FULL_DUPLEX: tells if the connection over this link is | |
90 | * full-duplex | |
91 | */ | |
c833484e | 92 | BATADV_FULL_DUPLEX = BIT(0), |
8b84cc4f SE |
93 | |
94 | /** | |
95 | * @BATADV_WARNING_DEFAULT: tells whether we have warned the user that | |
96 | * no throughput data is available for this interface and that default | |
97 | * values are assumed. | |
98 | */ | |
c833484e AQ |
99 | BATADV_WARNING_DEFAULT = BIT(1), |
100 | }; | |
101 | ||
d6f94d91 LL |
102 | /** |
103 | * struct batadv_hard_iface_bat_v - per hard-interface B.A.T.M.A.N. V data | |
d6f94d91 LL |
104 | */ |
105 | struct batadv_hard_iface_bat_v { | |
8b84cc4f | 106 | /** @elp_interval: time interval between two ELP transmissions */ |
d6f94d91 | 107 | atomic_t elp_interval; |
8b84cc4f SE |
108 | |
109 | /** @elp_seqno: current ELP sequence number */ | |
d6f94d91 | 110 | atomic_t elp_seqno; |
8b84cc4f SE |
111 | |
112 | /** @elp_skb: base skb containing the ELP message to send */ | |
d6f94d91 | 113 | struct sk_buff *elp_skb; |
8b84cc4f SE |
114 | |
115 | /** @elp_wq: workqueue used to schedule ELP transmissions */ | |
d6f94d91 | 116 | struct delayed_work elp_wq; |
8b84cc4f SE |
117 | |
118 | /** | |
119 | * @throughput_override: throughput override to disable link | |
120 | * auto-detection | |
121 | */ | |
0b5ecc68 | 122 | atomic_t throughput_override; |
8b84cc4f SE |
123 | |
124 | /** @flags: interface specific flags */ | |
c833484e | 125 | u8 flags; |
d6f94d91 LL |
126 | }; |
127 | ||
10b1bbb4 SE |
128 | /** |
129 | * enum batadv_hard_iface_wifi_flags - Flags describing the wifi configuration | |
130 | * of a batadv_hard_iface | |
10b1bbb4 SE |
131 | */ |
132 | enum batadv_hard_iface_wifi_flags { | |
8b84cc4f | 133 | /** @BATADV_HARDIF_WIFI_WEXT_DIRECT: it is a wext wifi device */ |
10b1bbb4 | 134 | BATADV_HARDIF_WIFI_WEXT_DIRECT = BIT(0), |
8b84cc4f SE |
135 | |
136 | /** @BATADV_HARDIF_WIFI_CFG80211_DIRECT: it is a cfg80211 wifi device */ | |
10b1bbb4 | 137 | BATADV_HARDIF_WIFI_CFG80211_DIRECT = BIT(1), |
8b84cc4f SE |
138 | |
139 | /** | |
140 | * @BATADV_HARDIF_WIFI_WEXT_INDIRECT: link device is a wext wifi device | |
141 | */ | |
5ed4a460 | 142 | BATADV_HARDIF_WIFI_WEXT_INDIRECT = BIT(2), |
8b84cc4f SE |
143 | |
144 | /** | |
145 | * @BATADV_HARDIF_WIFI_CFG80211_INDIRECT: link device is a cfg80211 wifi | |
146 | * device | |
147 | */ | |
5ed4a460 | 148 | BATADV_HARDIF_WIFI_CFG80211_INDIRECT = BIT(3), |
10b1bbb4 SE |
149 | }; |
150 | ||
88a32c9a ML |
151 | /** |
152 | * struct batadv_hard_iface - network device known to batman-adv | |
88a32c9a | 153 | */ |
56303d34 | 154 | struct batadv_hard_iface { |
8b84cc4f | 155 | /** @list: list node for batadv_hardif_list */ |
c6c8fea2 | 156 | struct list_head list; |
8b84cc4f | 157 | |
8b84cc4f | 158 | /** @if_status: status of the interface for batman-adv */ |
c6c8fea2 | 159 | char if_status; |
8b84cc4f SE |
160 | |
161 | /** | |
162 | * @num_bcasts: number of payload re-broadcasts on this interface (ARQ) | |
163 | */ | |
6b5e971a | 164 | u8 num_bcasts; |
8b84cc4f SE |
165 | |
166 | /** | |
167 | * @wifi_flags: flags whether this is (directly or indirectly) a wifi | |
168 | * interface | |
169 | */ | |
10b1bbb4 | 170 | u32 wifi_flags; |
8b84cc4f SE |
171 | |
172 | /** @net_dev: pointer to the net_device */ | |
75721643 | 173 | struct net_device *net_dev; |
8b84cc4f SE |
174 | |
175 | /** @hardif_obj: kobject of the per interface sysfs "mesh" directory */ | |
c6c8fea2 | 176 | struct kobject *hardif_obj; |
8b84cc4f SE |
177 | |
178 | /** @refcount: number of contexts the object is used */ | |
7a659d56 | 179 | struct kref refcount; |
8b84cc4f SE |
180 | |
181 | /** | |
182 | * @batman_adv_ptype: packet type describing packets that should be | |
183 | * processed by batman-adv for this interface | |
184 | */ | |
c6c8fea2 | 185 | struct packet_type batman_adv_ptype; |
8b84cc4f SE |
186 | |
187 | /** | |
188 | * @soft_iface: the batman-adv interface which uses this network | |
189 | * interface | |
190 | */ | |
c6c8fea2 | 191 | struct net_device *soft_iface; |
8b84cc4f SE |
192 | |
193 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
c6c8fea2 | 194 | struct rcu_head rcu; |
8b84cc4f SE |
195 | |
196 | /** @bat_iv: per hard-interface B.A.T.M.A.N. IV data */ | |
14511519 | 197 | struct batadv_hard_iface_bat_iv bat_iv; |
8b84cc4f | 198 | |
d6f94d91 | 199 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
8b84cc4f | 200 | /** @bat_v: per hard-interface B.A.T.M.A.N. V data */ |
d6f94d91 LL |
201 | struct batadv_hard_iface_bat_v bat_v; |
202 | #endif | |
8b84cc4f | 203 | |
dc06338d | 204 | #ifdef CONFIG_BATMAN_ADV_DEBUGFS |
8b84cc4f SE |
205 | /** |
206 | * @debug_dir: dentry for nc subdir in batman-adv directory in debugfs | |
207 | */ | |
5bc7c1eb | 208 | struct dentry *debug_dir; |
dc06338d | 209 | #endif |
8b84cc4f SE |
210 | |
211 | /** | |
212 | * @neigh_list: list of unique single hop neighbors via this interface | |
213 | */ | |
cef63419 | 214 | struct hlist_head neigh_list; |
8b84cc4f SE |
215 | |
216 | /** @neigh_list_lock: lock protecting neigh_list */ | |
cef63419 | 217 | spinlock_t neigh_list_lock; |
c6c8fea2 SE |
218 | }; |
219 | ||
dee222c7 SE |
220 | /** |
221 | * struct batadv_orig_ifinfo - B.A.T.M.A.N. IV private orig_ifinfo members | |
222 | */ | |
223 | struct batadv_orig_ifinfo_bat_iv { | |
224 | /** | |
225 | * @bcast_own: bitfield which counts the number of our OGMs this | |
226 | * orig_node rebroadcasted "back" to us (relative to last_real_seqno) | |
227 | */ | |
228 | DECLARE_BITMAP(bcast_own, BATADV_TQ_LOCAL_WINDOW_SIZE); | |
229 | ||
230 | /** @bcast_own_sum: sum of bcast_own */ | |
231 | u8 bcast_own_sum; | |
232 | }; | |
233 | ||
7351a482 SW |
234 | /** |
235 | * struct batadv_orig_ifinfo - originator info per outgoing interface | |
7351a482 SW |
236 | */ |
237 | struct batadv_orig_ifinfo { | |
a07369d7 | 238 | /** @list: list node for &batadv_orig_node.ifinfo_list */ |
7351a482 | 239 | struct hlist_node list; |
8b84cc4f SE |
240 | |
241 | /** @if_outgoing: pointer to outgoing hard-interface */ | |
7351a482 | 242 | struct batadv_hard_iface *if_outgoing; |
8b84cc4f SE |
243 | |
244 | /** @router: router that should be used to reach this originator */ | |
245 | struct batadv_neigh_node __rcu *router; | |
246 | ||
247 | /** @last_real_seqno: last and best known sequence number */ | |
6b5e971a | 248 | u32 last_real_seqno; |
8b84cc4f SE |
249 | |
250 | /** @last_ttl: ttl of last received packet */ | |
6b5e971a | 251 | u8 last_ttl; |
8b84cc4f SE |
252 | |
253 | /** @last_seqno_forwarded: seqno of the OGM which was forwarded last */ | |
9323158e | 254 | u32 last_seqno_forwarded; |
8b84cc4f SE |
255 | |
256 | /** @batman_seqno_reset: time when the batman seqno window was reset */ | |
7351a482 | 257 | unsigned long batman_seqno_reset; |
8b84cc4f | 258 | |
dee222c7 SE |
259 | /** @bat_iv: B.A.T.M.A.N. IV private structure */ |
260 | struct batadv_orig_ifinfo_bat_iv bat_iv; | |
261 | ||
8b84cc4f | 262 | /** @refcount: number of contexts the object is used */ |
a6ba0d34 | 263 | struct kref refcount; |
8b84cc4f SE |
264 | |
265 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
7351a482 SW |
266 | struct rcu_head rcu; |
267 | }; | |
268 | ||
610bfc6b MH |
269 | /** |
270 | * struct batadv_frag_table_entry - head in the fragment buffer table | |
610bfc6b MH |
271 | */ |
272 | struct batadv_frag_table_entry { | |
8b84cc4f | 273 | /** @fragment_list: head of list with fragments */ |
176e5b77 | 274 | struct hlist_head fragment_list; |
8b84cc4f SE |
275 | |
276 | /** @lock: lock to protect the list of fragments */ | |
277 | spinlock_t lock; | |
278 | ||
279 | /** @timestamp: time (jiffie) of last received fragment */ | |
610bfc6b | 280 | unsigned long timestamp; |
8b84cc4f SE |
281 | |
282 | /** @seqno: sequence number of the fragments in the list */ | |
6b5e971a | 283 | u16 seqno; |
8b84cc4f SE |
284 | |
285 | /** @size: accumulated size of packets in list */ | |
6b5e971a | 286 | u16 size; |
8b84cc4f SE |
287 | |
288 | /** @total_size: expected size of the assembled packet */ | |
6b5e971a | 289 | u16 total_size; |
610bfc6b MH |
290 | }; |
291 | ||
292 | /** | |
293 | * struct batadv_frag_list_entry - entry in a list of fragments | |
610bfc6b MH |
294 | */ |
295 | struct batadv_frag_list_entry { | |
8b84cc4f | 296 | /** @list: list node information */ |
610bfc6b | 297 | struct hlist_node list; |
8b84cc4f SE |
298 | |
299 | /** @skb: fragment */ | |
610bfc6b | 300 | struct sk_buff *skb; |
8b84cc4f SE |
301 | |
302 | /** @no: fragment number in the set */ | |
6b5e971a | 303 | u8 no; |
610bfc6b MH |
304 | }; |
305 | ||
7ea7b4a1 AQ |
306 | /** |
307 | * struct batadv_vlan_tt - VLAN specific TT attributes | |
7ea7b4a1 AQ |
308 | */ |
309 | struct batadv_vlan_tt { | |
8b84cc4f | 310 | /** @crc: CRC32 checksum of the entries belonging to this vlan */ |
6b5e971a | 311 | u32 crc; |
8b84cc4f SE |
312 | |
313 | /** @num_entries: number of TT entries for this VLAN */ | |
7ea7b4a1 AQ |
314 | atomic_t num_entries; |
315 | }; | |
316 | ||
317 | /** | |
1a321b0d | 318 | * struct batadv_orig_node_vlan - VLAN specific data per orig_node |
7ea7b4a1 AQ |
319 | */ |
320 | struct batadv_orig_node_vlan { | |
8b84cc4f | 321 | /** @vid: the VLAN identifier */ |
7ea7b4a1 | 322 | unsigned short vid; |
8b84cc4f SE |
323 | |
324 | /** @tt: VLAN specific TT attributes */ | |
7ea7b4a1 | 325 | struct batadv_vlan_tt tt; |
8b84cc4f | 326 | |
a07369d7 | 327 | /** @list: list node for &batadv_orig_node.vlan_list */ |
d0fa4f3f | 328 | struct hlist_node list; |
8b84cc4f SE |
329 | |
330 | /** | |
331 | * @refcount: number of context where this object is currently in use | |
332 | */ | |
161a3be9 | 333 | struct kref refcount; |
8b84cc4f SE |
334 | |
335 | /** @rcu: struct used for freeing in a RCU-safe manner */ | |
7ea7b4a1 AQ |
336 | struct rcu_head rcu; |
337 | }; | |
338 | ||
bbad0a5e AQ |
339 | /** |
340 | * struct batadv_orig_bat_iv - B.A.T.M.A.N. IV private orig_node members | |
bbad0a5e AQ |
341 | */ |
342 | struct batadv_orig_bat_iv { | |
8b84cc4f | 343 | /** |
dee222c7 SE |
344 | * @ogm_cnt_lock: lock protecting &batadv_orig_ifinfo_bat_iv.bcast_own, |
345 | * &batadv_orig_ifinfo_bat_iv.bcast_own_sum, | |
346 | * &batadv_neigh_ifinfo_bat_iv.bat_iv.real_bits and | |
347 | * &batadv_neigh_ifinfo_bat_iv.real_packet_count | |
bbad0a5e AQ |
348 | */ |
349 | spinlock_t ogm_cnt_lock; | |
350 | }; | |
351 | ||
2c53040f | 352 | /** |
b6d0ab7c | 353 | * struct batadv_orig_node - structure for orig_list maintaining nodes of mesh |
c6c8fea2 | 354 | */ |
56303d34 | 355 | struct batadv_orig_node { |
8b84cc4f | 356 | /** @orig: originator ethernet address */ |
6b5e971a | 357 | u8 orig[ETH_ALEN]; |
8b84cc4f SE |
358 | |
359 | /** @ifinfo_list: list for routers per outgoing interface */ | |
7351a482 | 360 | struct hlist_head ifinfo_list; |
8b84cc4f SE |
361 | |
362 | /** | |
363 | * @last_bonding_candidate: pointer to last ifinfo of last used router | |
364 | */ | |
f3b3d901 | 365 | struct batadv_orig_ifinfo *last_bonding_candidate; |
8b84cc4f | 366 | |
17224474 | 367 | #ifdef CONFIG_BATMAN_ADV_DAT |
8b84cc4f | 368 | /** @dat_addr: address of the orig node in the distributed hash */ |
785ea114 | 369 | batadv_dat_addr_t dat_addr; |
17224474 | 370 | #endif |
8b84cc4f SE |
371 | |
372 | /** @last_seen: time when last packet from this node was received */ | |
d7b2a97e | 373 | unsigned long last_seen; |
8b84cc4f SE |
374 | |
375 | /** | |
376 | * @bcast_seqno_reset: time when the broadcast seqno window was reset | |
377 | */ | |
c6c8fea2 | 378 | unsigned long bcast_seqno_reset; |
8b84cc4f | 379 | |
60432d75 | 380 | #ifdef CONFIG_BATMAN_ADV_MCAST |
8b84cc4f SE |
381 | /** |
382 | * @mcast_handler_lock: synchronizes mcast-capability and -flag changes | |
383 | */ | |
8a4023c5 | 384 | spinlock_t mcast_handler_lock; |
8b84cc4f SE |
385 | |
386 | /** @mcast_flags: multicast flags announced by the orig node */ | |
6b5e971a | 387 | u8 mcast_flags; |
8b84cc4f SE |
388 | |
389 | /** | |
390 | * @mcast_want_all_unsnoopables_node: a list node for the | |
391 | * mcast.want_all_unsnoopables list | |
392 | */ | |
ab49886e | 393 | struct hlist_node mcast_want_all_unsnoopables_node; |
8b84cc4f SE |
394 | |
395 | /** | |
396 | * @mcast_want_all_ipv4_node: a list node for the mcast.want_all_ipv4 | |
397 | * list | |
398 | */ | |
4c8755d6 | 399 | struct hlist_node mcast_want_all_ipv4_node; |
8b84cc4f SE |
400 | /** |
401 | * @mcast_want_all_ipv6_node: a list node for the mcast.want_all_ipv6 | |
402 | * list | |
403 | */ | |
4c8755d6 | 404 | struct hlist_node mcast_want_all_ipv6_node; |
60432d75 | 405 | #endif |
8b84cc4f SE |
406 | |
407 | /** @capabilities: announced capabilities of this originator */ | |
65d7d460 | 408 | unsigned long capabilities; |
8b84cc4f SE |
409 | |
410 | /** | |
411 | * @capa_initialized: bitfield to remember whether a capability was | |
412 | * initialized | |
413 | */ | |
ac4eebd4 | 414 | unsigned long capa_initialized; |
8b84cc4f SE |
415 | |
416 | /** @last_ttvn: last seen translation table version number */ | |
88a32c9a | 417 | atomic_t last_ttvn; |
8b84cc4f SE |
418 | |
419 | /** @tt_buff: last tt changeset this node received from the orig node */ | |
2dafb49d | 420 | unsigned char *tt_buff; |
8b84cc4f SE |
421 | |
422 | /** | |
423 | * @tt_buff_len: length of the last tt changeset this node received | |
424 | * from the orig node | |
425 | */ | |
6b5e971a | 426 | s16 tt_buff_len; |
8b84cc4f SE |
427 | |
428 | /** @tt_buff_lock: lock that protects tt_buff and tt_buff_len */ | |
429 | spinlock_t tt_buff_lock; | |
430 | ||
431 | /** | |
432 | * @tt_lock: prevents from updating the table while reading it. Table | |
433 | * update is made up by two operations (data structure update and | |
434 | * metdata -CRC/TTVN-recalculation) and they have to be executed | |
435 | * atomically in order to avoid another thread to read the | |
436 | * table/metadata between those. | |
437 | */ | |
a70a9aa9 | 438 | spinlock_t tt_lock; |
8b84cc4f SE |
439 | |
440 | /** | |
441 | * @bcast_bits: bitfield containing the info which payload broadcast | |
442 | * originated from this orig node this host already has seen (relative | |
443 | * to last_bcast_seqno) | |
444 | */ | |
42d0b044 | 445 | DECLARE_BITMAP(bcast_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); |
8b84cc4f SE |
446 | |
447 | /** | |
448 | * @last_bcast_seqno: last broadcast sequence number received by this | |
449 | * host | |
450 | */ | |
6b5e971a | 451 | u32 last_bcast_seqno; |
8b84cc4f SE |
452 | |
453 | /** | |
454 | * @neigh_list: list of potential next hop neighbor towards this orig | |
455 | * node | |
456 | */ | |
9591a79f | 457 | struct hlist_head neigh_list; |
8b84cc4f SE |
458 | |
459 | /** | |
460 | * @neigh_list_lock: lock protecting neigh_list, ifinfo_list, | |
461 | * last_bonding_candidate and router | |
15c2ed75 | 462 | */ |
88a32c9a | 463 | spinlock_t neigh_list_lock; |
8b84cc4f | 464 | |
a07369d7 | 465 | /** @hash_entry: hlist node for &batadv_priv.orig_hash */ |
7aadf889 | 466 | struct hlist_node hash_entry; |
8b84cc4f SE |
467 | |
468 | /** @bat_priv: pointer to soft_iface this orig node belongs to */ | |
56303d34 | 469 | struct batadv_priv *bat_priv; |
8b84cc4f SE |
470 | |
471 | /** @bcast_seqno_lock: lock protecting bcast_bits & last_bcast_seqno */ | |
6e215fd8 | 472 | spinlock_t bcast_seqno_lock; |
8b84cc4f SE |
473 | |
474 | /** @refcount: number of contexts the object is used */ | |
7c124391 | 475 | struct kref refcount; |
8b84cc4f SE |
476 | |
477 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
88a32c9a | 478 | struct rcu_head rcu; |
8b84cc4f | 479 | |
d56b1705 | 480 | #ifdef CONFIG_BATMAN_ADV_NC |
8b84cc4f | 481 | /** @in_coding_list: list of nodes this orig can hear */ |
d56b1705 | 482 | struct list_head in_coding_list; |
8b84cc4f SE |
483 | |
484 | /** @out_coding_list: list of nodes that can hear this orig */ | |
d56b1705 | 485 | struct list_head out_coding_list; |
8b84cc4f SE |
486 | |
487 | /** @in_coding_list_lock: protects in_coding_list */ | |
488 | spinlock_t in_coding_list_lock; | |
489 | ||
490 | /** @out_coding_list_lock: protects out_coding_list */ | |
491 | spinlock_t out_coding_list_lock; | |
d56b1705 | 492 | #endif |
8b84cc4f SE |
493 | |
494 | /** @fragments: array with heads for fragment chains */ | |
610bfc6b | 495 | struct batadv_frag_table_entry fragments[BATADV_FRAG_BUFFER_COUNT]; |
8b84cc4f SE |
496 | |
497 | /** | |
498 | * @vlan_list: a list of orig_node_vlan structs, one per VLAN served by | |
499 | * the originator represented by this object | |
500 | */ | |
d0fa4f3f | 501 | struct hlist_head vlan_list; |
8b84cc4f SE |
502 | |
503 | /** @vlan_list_lock: lock protecting vlan_list */ | |
504 | spinlock_t vlan_list_lock; | |
505 | ||
506 | /** @bat_iv: B.A.T.M.A.N. IV private structure */ | |
bbad0a5e | 507 | struct batadv_orig_bat_iv bat_iv; |
c6c8fea2 SE |
508 | }; |
509 | ||
17cf0ea4 ML |
510 | /** |
511 | * enum batadv_orig_capabilities - orig node capabilities | |
17cf0ea4 ML |
512 | */ |
513 | enum batadv_orig_capabilities { | |
8b84cc4f SE |
514 | /** |
515 | * @BATADV_ORIG_CAPA_HAS_DAT: orig node has distributed arp table | |
516 | * enabled | |
517 | */ | |
65d7d460 | 518 | BATADV_ORIG_CAPA_HAS_DAT, |
8b84cc4f SE |
519 | |
520 | /** @BATADV_ORIG_CAPA_HAS_NC: orig node has network coding enabled */ | |
4635469f | 521 | BATADV_ORIG_CAPA_HAS_NC, |
8b84cc4f SE |
522 | |
523 | /** @BATADV_ORIG_CAPA_HAS_TT: orig node has tt capability */ | |
ac4eebd4 | 524 | BATADV_ORIG_CAPA_HAS_TT, |
8b84cc4f SE |
525 | |
526 | /** | |
527 | * @BATADV_ORIG_CAPA_HAS_MCAST: orig node has some multicast capability | |
528 | * (= orig node announces a tvlv of type BATADV_TVLV_MCAST) | |
529 | */ | |
9c936e3f | 530 | BATADV_ORIG_CAPA_HAS_MCAST, |
17cf0ea4 ML |
531 | }; |
532 | ||
88a32c9a ML |
533 | /** |
534 | * struct batadv_gw_node - structure for orig nodes announcing gw capabilities | |
88a32c9a | 535 | */ |
56303d34 | 536 | struct batadv_gw_node { |
a07369d7 | 537 | /** @list: list node for &batadv_priv_gw.list */ |
c6c8fea2 | 538 | struct hlist_node list; |
8b84cc4f SE |
539 | |
540 | /** @orig_node: pointer to corresponding orig node */ | |
56303d34 | 541 | struct batadv_orig_node *orig_node; |
8b84cc4f SE |
542 | |
543 | /** @bandwidth_down: advertised uplink download bandwidth */ | |
6b5e971a | 544 | u32 bandwidth_down; |
8b84cc4f SE |
545 | |
546 | /** @bandwidth_up: advertised uplink upload bandwidth */ | |
6b5e971a | 547 | u32 bandwidth_up; |
8b84cc4f SE |
548 | |
549 | /** @refcount: number of contexts the object is used */ | |
e7aed321 | 550 | struct kref refcount; |
8b84cc4f SE |
551 | |
552 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
c6c8fea2 SE |
553 | struct rcu_head rcu; |
554 | }; | |
555 | ||
eb1e011a | 556 | DECLARE_EWMA(throughput, 10, 8) |
162bd64c LL |
557 | |
558 | /** | |
559 | * struct batadv_hardif_neigh_node_bat_v - B.A.T.M.A.N. V private neighbor | |
560 | * information | |
162bd64c LL |
561 | */ |
562 | struct batadv_hardif_neigh_node_bat_v { | |
8b84cc4f | 563 | /** @throughput: ewma link throughput towards this neighbor */ |
162bd64c | 564 | struct ewma_throughput throughput; |
8b84cc4f SE |
565 | |
566 | /** @elp_interval: time interval between two ELP transmissions */ | |
162bd64c | 567 | u32 elp_interval; |
8b84cc4f SE |
568 | |
569 | /** @elp_latest_seqno: latest and best known ELP sequence number */ | |
162bd64c | 570 | u32 elp_latest_seqno; |
8b84cc4f SE |
571 | |
572 | /** | |
573 | * @last_unicast_tx: when the last unicast packet has been sent to this | |
574 | * neighbor | |
575 | */ | |
95d39278 | 576 | unsigned long last_unicast_tx; |
8b84cc4f SE |
577 | |
578 | /** @metric_work: work queue callback item for metric update */ | |
c833484e | 579 | struct work_struct metric_work; |
162bd64c LL |
580 | }; |
581 | ||
cef63419 | 582 | /** |
d1f68250 | 583 | * struct batadv_hardif_neigh_node - unique neighbor per hard-interface |
cef63419 ML |
584 | */ |
585 | struct batadv_hardif_neigh_node { | |
a07369d7 | 586 | /** @list: list node for &batadv_hard_iface.neigh_list */ |
cef63419 | 587 | struct hlist_node list; |
8b84cc4f SE |
588 | |
589 | /** @addr: the MAC address of the neighboring interface */ | |
cef63419 | 590 | u8 addr[ETH_ALEN]; |
8b84cc4f SE |
591 | |
592 | /** | |
593 | * @orig: the address of the originator this neighbor node belongs to | |
594 | */ | |
3111beed | 595 | u8 orig[ETH_ALEN]; |
8b84cc4f SE |
596 | |
597 | /** @if_incoming: pointer to incoming hard-interface */ | |
cef63419 | 598 | struct batadv_hard_iface *if_incoming; |
8b84cc4f SE |
599 | |
600 | /** @last_seen: when last packet via this neighbor was received */ | |
cef63419 | 601 | unsigned long last_seen; |
8b84cc4f | 602 | |
162bd64c | 603 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
8b84cc4f | 604 | /** @bat_v: B.A.T.M.A.N. V private data */ |
162bd64c LL |
605 | struct batadv_hardif_neigh_node_bat_v bat_v; |
606 | #endif | |
8b84cc4f SE |
607 | |
608 | /** @refcount: number of contexts the object is used */ | |
90f564df | 609 | struct kref refcount; |
8b84cc4f SE |
610 | |
611 | /** @rcu: struct used for freeing in a RCU-safe manner */ | |
cef63419 ML |
612 | struct rcu_head rcu; |
613 | }; | |
614 | ||
88a32c9a | 615 | /** |
89652331 | 616 | * struct batadv_neigh_node - structure for single hops neighbors |
89652331 SW |
617 | */ |
618 | struct batadv_neigh_node { | |
a07369d7 | 619 | /** @list: list node for &batadv_orig_node.neigh_list */ |
89652331 | 620 | struct hlist_node list; |
8b84cc4f SE |
621 | |
622 | /** @orig_node: pointer to corresponding orig_node */ | |
89652331 | 623 | struct batadv_orig_node *orig_node; |
8b84cc4f SE |
624 | |
625 | /** @addr: the MAC address of the neighboring interface */ | |
6b5e971a | 626 | u8 addr[ETH_ALEN]; |
8b84cc4f SE |
627 | |
628 | /** @ifinfo_list: list for routing metrics per outgoing interface */ | |
89652331 | 629 | struct hlist_head ifinfo_list; |
8b84cc4f SE |
630 | |
631 | /** @ifinfo_lock: lock protecting ifinfo_list and its members */ | |
632 | spinlock_t ifinfo_lock; | |
633 | ||
634 | /** @if_incoming: pointer to incoming hard-interface */ | |
89652331 | 635 | struct batadv_hard_iface *if_incoming; |
8b84cc4f SE |
636 | |
637 | /** @last_seen: when last packet via this neighbor was received */ | |
89652331 | 638 | unsigned long last_seen; |
8b84cc4f SE |
639 | |
640 | /** @hardif_neigh: hardif_neigh of this neighbor */ | |
abe59c65 | 641 | struct batadv_hardif_neigh_node *hardif_neigh; |
8b84cc4f SE |
642 | |
643 | /** @refcount: number of contexts the object is used */ | |
77ae32e8 | 644 | struct kref refcount; |
8b84cc4f SE |
645 | |
646 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
89652331 SW |
647 | struct rcu_head rcu; |
648 | }; | |
649 | ||
1b371d13 | 650 | /** |
1a321b0d | 651 | * struct batadv_neigh_ifinfo_bat_iv - neighbor information per outgoing |
d1f68250 | 652 | * interface for B.A.T.M.A.N. IV |
0538f759 | 653 | */ |
89652331 | 654 | struct batadv_neigh_ifinfo_bat_iv { |
8b84cc4f | 655 | /** @tq_recv: ring buffer of received TQ values from this neigh node */ |
6b5e971a | 656 | u8 tq_recv[BATADV_TQ_GLOBAL_WINDOW_SIZE]; |
8b84cc4f SE |
657 | |
658 | /** @tq_index: ring buffer index */ | |
6b5e971a | 659 | u8 tq_index; |
8b84cc4f SE |
660 | |
661 | /** | |
662 | * @tq_avg: averaged tq of all tq values in the ring buffer (tq_recv) | |
663 | */ | |
6b5e971a | 664 | u8 tq_avg; |
8b84cc4f SE |
665 | |
666 | /** | |
667 | * @real_bits: bitfield containing the number of OGMs received from this | |
668 | * neigh node (relative to orig_node->last_real_seqno) | |
669 | */ | |
0538f759 | 670 | DECLARE_BITMAP(real_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); |
8b84cc4f SE |
671 | |
672 | /** @real_packet_count: counted result of real_bits */ | |
6b5e971a | 673 | u8 real_packet_count; |
0538f759 AQ |
674 | }; |
675 | ||
162bd64c LL |
676 | /** |
677 | * struct batadv_neigh_ifinfo_bat_v - neighbor information per outgoing | |
678 | * interface for B.A.T.M.A.N. V | |
162bd64c LL |
679 | */ |
680 | struct batadv_neigh_ifinfo_bat_v { | |
8b84cc4f SE |
681 | /** |
682 | * @throughput: last throughput metric received from originator via this | |
683 | * neigh | |
684 | */ | |
162bd64c | 685 | u32 throughput; |
8b84cc4f SE |
686 | |
687 | /** @last_seqno: last sequence number known for this neighbor */ | |
9323158e | 688 | u32 last_seqno; |
162bd64c LL |
689 | }; |
690 | ||
1b371d13 SW |
691 | /** |
692 | * struct batadv_neigh_ifinfo - neighbor information per outgoing interface | |
c6c8fea2 | 693 | */ |
89652331 | 694 | struct batadv_neigh_ifinfo { |
a07369d7 | 695 | /** @list: list node for &batadv_neigh_node.ifinfo_list */ |
9591a79f | 696 | struct hlist_node list; |
8b84cc4f SE |
697 | |
698 | /** @if_outgoing: pointer to outgoing hard-interface */ | |
89652331 | 699 | struct batadv_hard_iface *if_outgoing; |
8b84cc4f SE |
700 | |
701 | /** @bat_iv: B.A.T.M.A.N. IV private structure */ | |
89652331 | 702 | struct batadv_neigh_ifinfo_bat_iv bat_iv; |
8b84cc4f | 703 | |
162bd64c | 704 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
8b84cc4f | 705 | /** @bat_v: B.A.T.M.A.N. V private data */ |
162bd64c LL |
706 | struct batadv_neigh_ifinfo_bat_v bat_v; |
707 | #endif | |
8b84cc4f SE |
708 | |
709 | /** @last_ttl: last received ttl from this neigh node */ | |
6b5e971a | 710 | u8 last_ttl; |
8b84cc4f SE |
711 | |
712 | /** @refcount: number of contexts the object is used */ | |
962c6832 | 713 | struct kref refcount; |
8b84cc4f SE |
714 | |
715 | /** @rcu: struct used for freeing in a RCU-safe manner */ | |
88a32c9a | 716 | struct rcu_head rcu; |
c6c8fea2 SE |
717 | }; |
718 | ||
426fc6c8 SE |
719 | #ifdef CONFIG_BATMAN_ADV_BLA |
720 | ||
88a32c9a ML |
721 | /** |
722 | * struct batadv_bcast_duplist_entry - structure for LAN broadcast suppression | |
88a32c9a | 723 | */ |
56303d34 | 724 | struct batadv_bcast_duplist_entry { |
8b84cc4f | 725 | /** @orig: mac address of orig node orginating the broadcast */ |
6b5e971a | 726 | u8 orig[ETH_ALEN]; |
8b84cc4f SE |
727 | |
728 | /** @crc: crc32 checksum of broadcast payload */ | |
004e86fc | 729 | __be32 crc; |
8b84cc4f SE |
730 | |
731 | /** @entrytime: time when the broadcast packet was received */ | |
fe2da6ff SW |
732 | unsigned long entrytime; |
733 | }; | |
7a5cc242 | 734 | #endif |
c6c8fea2 | 735 | |
88a32c9a ML |
736 | /** |
737 | * enum batadv_counters - indices for traffic counters | |
88a32c9a | 738 | */ |
d69909d2 | 739 | enum batadv_counters { |
8b84cc4f | 740 | /** @BATADV_CNT_TX: transmitted payload traffic packet counter */ |
1c9b0550 | 741 | BATADV_CNT_TX, |
8b84cc4f SE |
742 | |
743 | /** @BATADV_CNT_TX_BYTES: transmitted payload traffic bytes counter */ | |
1c9b0550 | 744 | BATADV_CNT_TX_BYTES, |
8b84cc4f SE |
745 | |
746 | /** | |
747 | * @BATADV_CNT_TX_DROPPED: dropped transmission payload traffic packet | |
748 | * counter | |
749 | */ | |
1c9b0550 | 750 | BATADV_CNT_TX_DROPPED, |
8b84cc4f SE |
751 | |
752 | /** @BATADV_CNT_RX: received payload traffic packet counter */ | |
1c9b0550 | 753 | BATADV_CNT_RX, |
8b84cc4f SE |
754 | |
755 | /** @BATADV_CNT_RX_BYTES: received payload traffic bytes counter */ | |
1c9b0550 | 756 | BATADV_CNT_RX_BYTES, |
8b84cc4f SE |
757 | |
758 | /** @BATADV_CNT_FORWARD: forwarded payload traffic packet counter */ | |
d69909d2 | 759 | BATADV_CNT_FORWARD, |
8b84cc4f SE |
760 | |
761 | /** | |
762 | * @BATADV_CNT_FORWARD_BYTES: forwarded payload traffic bytes counter | |
763 | */ | |
d69909d2 | 764 | BATADV_CNT_FORWARD_BYTES, |
8b84cc4f SE |
765 | |
766 | /** | |
767 | * @BATADV_CNT_MGMT_TX: transmitted routing protocol traffic packet | |
768 | * counter | |
769 | */ | |
d69909d2 | 770 | BATADV_CNT_MGMT_TX, |
8b84cc4f SE |
771 | |
772 | /** | |
773 | * @BATADV_CNT_MGMT_TX_BYTES: transmitted routing protocol traffic bytes | |
774 | * counter | |
775 | */ | |
d69909d2 | 776 | BATADV_CNT_MGMT_TX_BYTES, |
8b84cc4f SE |
777 | |
778 | /** | |
779 | * @BATADV_CNT_MGMT_RX: received routing protocol traffic packet counter | |
780 | */ | |
d69909d2 | 781 | BATADV_CNT_MGMT_RX, |
8b84cc4f SE |
782 | |
783 | /** | |
784 | * @BATADV_CNT_MGMT_RX_BYTES: received routing protocol traffic bytes | |
785 | * counter | |
786 | */ | |
d69909d2 | 787 | BATADV_CNT_MGMT_RX_BYTES, |
8b84cc4f SE |
788 | |
789 | /** @BATADV_CNT_FRAG_TX: transmitted fragment traffic packet counter */ | |
ee75ed88 | 790 | BATADV_CNT_FRAG_TX, |
8b84cc4f SE |
791 | |
792 | /** | |
793 | * @BATADV_CNT_FRAG_TX_BYTES: transmitted fragment traffic bytes counter | |
794 | */ | |
ee75ed88 | 795 | BATADV_CNT_FRAG_TX_BYTES, |
8b84cc4f SE |
796 | |
797 | /** @BATADV_CNT_FRAG_RX: received fragment traffic packet counter */ | |
610bfc6b | 798 | BATADV_CNT_FRAG_RX, |
8b84cc4f SE |
799 | |
800 | /** | |
801 | * @BATADV_CNT_FRAG_RX_BYTES: received fragment traffic bytes counter | |
802 | */ | |
610bfc6b | 803 | BATADV_CNT_FRAG_RX_BYTES, |
8b84cc4f SE |
804 | |
805 | /** @BATADV_CNT_FRAG_FWD: forwarded fragment traffic packet counter */ | |
610bfc6b | 806 | BATADV_CNT_FRAG_FWD, |
8b84cc4f SE |
807 | |
808 | /** | |
809 | * @BATADV_CNT_FRAG_FWD_BYTES: forwarded fragment traffic bytes counter | |
810 | */ | |
610bfc6b | 811 | BATADV_CNT_FRAG_FWD_BYTES, |
8b84cc4f SE |
812 | |
813 | /** | |
814 | * @BATADV_CNT_TT_REQUEST_TX: transmitted tt req traffic packet counter | |
815 | */ | |
d69909d2 | 816 | BATADV_CNT_TT_REQUEST_TX, |
8b84cc4f SE |
817 | |
818 | /** @BATADV_CNT_TT_REQUEST_RX: received tt req traffic packet counter */ | |
d69909d2 | 819 | BATADV_CNT_TT_REQUEST_RX, |
8b84cc4f SE |
820 | |
821 | /** | |
822 | * @BATADV_CNT_TT_RESPONSE_TX: transmitted tt resp traffic packet | |
823 | * counter | |
824 | */ | |
d69909d2 | 825 | BATADV_CNT_TT_RESPONSE_TX, |
8b84cc4f SE |
826 | |
827 | /** | |
828 | * @BATADV_CNT_TT_RESPONSE_RX: received tt resp traffic packet counter | |
829 | */ | |
d69909d2 | 830 | BATADV_CNT_TT_RESPONSE_RX, |
8b84cc4f SE |
831 | |
832 | /** | |
833 | * @BATADV_CNT_TT_ROAM_ADV_TX: transmitted tt roam traffic packet | |
834 | * counter | |
835 | */ | |
d69909d2 | 836 | BATADV_CNT_TT_ROAM_ADV_TX, |
8b84cc4f SE |
837 | |
838 | /** | |
839 | * @BATADV_CNT_TT_ROAM_ADV_RX: received tt roam traffic packet counter | |
840 | */ | |
d69909d2 | 841 | BATADV_CNT_TT_ROAM_ADV_RX, |
8b84cc4f | 842 | |
4046b24a | 843 | #ifdef CONFIG_BATMAN_ADV_DAT |
8b84cc4f SE |
844 | /** |
845 | * @BATADV_CNT_DAT_GET_TX: transmitted dht GET traffic packet counter | |
846 | */ | |
4046b24a | 847 | BATADV_CNT_DAT_GET_TX, |
8b84cc4f SE |
848 | |
849 | /** @BATADV_CNT_DAT_GET_RX: received dht GET traffic packet counter */ | |
4046b24a | 850 | BATADV_CNT_DAT_GET_RX, |
8b84cc4f SE |
851 | |
852 | /** | |
853 | * @BATADV_CNT_DAT_PUT_TX: transmitted dht PUT traffic packet counter | |
854 | */ | |
4046b24a | 855 | BATADV_CNT_DAT_PUT_TX, |
8b84cc4f SE |
856 | |
857 | /** @BATADV_CNT_DAT_PUT_RX: received dht PUT traffic packet counter */ | |
4046b24a | 858 | BATADV_CNT_DAT_PUT_RX, |
8b84cc4f SE |
859 | |
860 | /** | |
861 | * @BATADV_CNT_DAT_CACHED_REPLY_TX: transmitted dat cache reply traffic | |
862 | * packet counter | |
863 | */ | |
4046b24a | 864 | BATADV_CNT_DAT_CACHED_REPLY_TX, |
3c12de9a | 865 | #endif |
8b84cc4f | 866 | |
3c12de9a | 867 | #ifdef CONFIG_BATMAN_ADV_NC |
8b84cc4f SE |
868 | /** |
869 | * @BATADV_CNT_NC_CODE: transmitted nc-combined traffic packet counter | |
870 | */ | |
3c12de9a | 871 | BATADV_CNT_NC_CODE, |
8b84cc4f SE |
872 | |
873 | /** | |
874 | * @BATADV_CNT_NC_CODE_BYTES: transmitted nc-combined traffic bytes | |
875 | * counter | |
876 | */ | |
3c12de9a | 877 | BATADV_CNT_NC_CODE_BYTES, |
8b84cc4f SE |
878 | |
879 | /** | |
880 | * @BATADV_CNT_NC_RECODE: transmitted nc-recombined traffic packet | |
881 | * counter | |
882 | */ | |
3c12de9a | 883 | BATADV_CNT_NC_RECODE, |
8b84cc4f SE |
884 | |
885 | /** | |
886 | * @BATADV_CNT_NC_RECODE_BYTES: transmitted nc-recombined traffic bytes | |
887 | * counter | |
888 | */ | |
3c12de9a | 889 | BATADV_CNT_NC_RECODE_BYTES, |
8b84cc4f SE |
890 | |
891 | /** | |
892 | * @BATADV_CNT_NC_BUFFER: counter for packets buffered for later nc | |
893 | * decoding | |
894 | */ | |
612d2b4f | 895 | BATADV_CNT_NC_BUFFER, |
8b84cc4f SE |
896 | |
897 | /** | |
898 | * @BATADV_CNT_NC_DECODE: received and nc-decoded traffic packet counter | |
899 | */ | |
2df5278b | 900 | BATADV_CNT_NC_DECODE, |
8b84cc4f SE |
901 | |
902 | /** | |
903 | * @BATADV_CNT_NC_DECODE_BYTES: received and nc-decoded traffic bytes | |
904 | * counter | |
905 | */ | |
2df5278b | 906 | BATADV_CNT_NC_DECODE_BYTES, |
8b84cc4f SE |
907 | |
908 | /** | |
909 | * @BATADV_CNT_NC_DECODE_FAILED: received and decode-failed traffic | |
910 | * packet counter | |
911 | */ | |
2df5278b | 912 | BATADV_CNT_NC_DECODE_FAILED, |
8b84cc4f SE |
913 | |
914 | /** | |
915 | * @BATADV_CNT_NC_SNIFFED: counter for nc-decoded packets received in | |
916 | * promisc mode. | |
917 | */ | |
2df5278b | 918 | BATADV_CNT_NC_SNIFFED, |
4046b24a | 919 | #endif |
8b84cc4f SE |
920 | |
921 | /** @BATADV_CNT_NUM: number of traffic counters */ | |
d69909d2 | 922 | BATADV_CNT_NUM, |
f8214865 MH |
923 | }; |
924 | ||
807736f6 SE |
925 | /** |
926 | * struct batadv_priv_tt - per mesh interface translation table data | |
807736f6 SE |
927 | */ |
928 | struct batadv_priv_tt { | |
8b84cc4f | 929 | /** @vn: translation table version number */ |
807736f6 | 930 | atomic_t vn; |
8b84cc4f SE |
931 | |
932 | /** | |
933 | * @ogm_append_cnt: counter of number of OGMs containing the local tt | |
934 | * diff | |
935 | */ | |
807736f6 | 936 | atomic_t ogm_append_cnt; |
8b84cc4f SE |
937 | |
938 | /** @local_changes: changes registered in an originator interval */ | |
807736f6 | 939 | atomic_t local_changes; |
8b84cc4f SE |
940 | |
941 | /** | |
942 | * @changes_list: tracks tt local changes within an originator interval | |
943 | */ | |
807736f6 | 944 | struct list_head changes_list; |
8b84cc4f SE |
945 | |
946 | /** @local_hash: local translation table hash table */ | |
807736f6 | 947 | struct batadv_hashtable *local_hash; |
8b84cc4f SE |
948 | |
949 | /** @global_hash: global translation table hash table */ | |
807736f6 | 950 | struct batadv_hashtable *global_hash; |
8b84cc4f SE |
951 | |
952 | /** @req_list: list of pending & unanswered tt_requests */ | |
7c26a53b | 953 | struct hlist_head req_list; |
8b84cc4f SE |
954 | |
955 | /** | |
956 | * @roam_list: list of the last roaming events of each client limiting | |
957 | * the number of roaming events to avoid route flapping | |
958 | */ | |
807736f6 | 959 | struct list_head roam_list; |
8b84cc4f SE |
960 | |
961 | /** @changes_list_lock: lock protecting changes_list */ | |
962 | spinlock_t changes_list_lock; | |
963 | ||
964 | /** @req_list_lock: lock protecting req_list */ | |
965 | spinlock_t req_list_lock; | |
966 | ||
967 | /** @roam_list_lock: lock protecting roam_list */ | |
968 | spinlock_t roam_list_lock; | |
969 | ||
970 | /** @last_changeset: last tt changeset this host has generated */ | |
807736f6 | 971 | unsigned char *last_changeset; |
8b84cc4f SE |
972 | |
973 | /** | |
974 | * @last_changeset_len: length of last tt changeset this host has | |
975 | * generated | |
976 | */ | |
6b5e971a | 977 | s16 last_changeset_len; |
8b84cc4f SE |
978 | |
979 | /** | |
980 | * @last_changeset_lock: lock protecting last_changeset & | |
981 | * last_changeset_len | |
982 | */ | |
88a32c9a | 983 | spinlock_t last_changeset_lock; |
8b84cc4f SE |
984 | |
985 | /** | |
986 | * @commit_lock: prevents from executing a local TT commit while reading | |
987 | * the local table. The local TT commit is made up by two operations | |
988 | * (data structure update and metdata -CRC/TTVN- recalculation) and | |
989 | * they have to be executed atomically in order to avoid another thread | |
990 | * to read the table/metadata between those. | |
991 | */ | |
a70a9aa9 | 992 | spinlock_t commit_lock; |
8b84cc4f SE |
993 | |
994 | /** @work: work queue callback item for translation table purging */ | |
807736f6 SE |
995 | struct delayed_work work; |
996 | }; | |
997 | ||
426fc6c8 SE |
998 | #ifdef CONFIG_BATMAN_ADV_BLA |
999 | ||
88a32c9a ML |
1000 | /** |
1001 | * struct batadv_priv_bla - per mesh interface bridge loope avoidance data | |
88a32c9a | 1002 | */ |
807736f6 | 1003 | struct batadv_priv_bla { |
8b84cc4f | 1004 | /** @num_requests: number of bla requests in flight */ |
88a32c9a | 1005 | atomic_t num_requests; |
8b84cc4f SE |
1006 | |
1007 | /** | |
1008 | * @claim_hash: hash table containing mesh nodes this host has claimed | |
1009 | */ | |
807736f6 | 1010 | struct batadv_hashtable *claim_hash; |
8b84cc4f SE |
1011 | |
1012 | /** | |
1013 | * @backbone_hash: hash table containing all detected backbone gateways | |
1014 | */ | |
807736f6 | 1015 | struct batadv_hashtable *backbone_hash; |
8b84cc4f SE |
1016 | |
1017 | /** @loopdetect_addr: MAC address used for own loopdetection frames */ | |
cd9c7bfb | 1018 | u8 loopdetect_addr[ETH_ALEN]; |
8b84cc4f SE |
1019 | |
1020 | /** | |
1021 | * @loopdetect_lasttime: time when the loopdetection frames were sent | |
1022 | */ | |
cd9c7bfb | 1023 | unsigned long loopdetect_lasttime; |
8b84cc4f SE |
1024 | |
1025 | /** | |
1026 | * @loopdetect_next: how many periods to wait for the next loopdetect | |
1027 | * process | |
1028 | */ | |
cd9c7bfb | 1029 | atomic_t loopdetect_next; |
8b84cc4f SE |
1030 | |
1031 | /** | |
1032 | * @bcast_duplist: recently received broadcast packets array (for | |
1033 | * broadcast duplicate suppression) | |
1034 | */ | |
807736f6 | 1035 | struct batadv_bcast_duplist_entry bcast_duplist[BATADV_DUPLIST_SIZE]; |
8b84cc4f SE |
1036 | |
1037 | /** | |
1038 | * @bcast_duplist_curr: index of last broadcast packet added to | |
1039 | * bcast_duplist | |
1040 | */ | |
807736f6 | 1041 | int bcast_duplist_curr; |
8b84cc4f SE |
1042 | |
1043 | /** | |
1044 | * @bcast_duplist_lock: lock protecting bcast_duplist & | |
1045 | * bcast_duplist_curr | |
1046 | */ | |
7dac7b76 | 1047 | spinlock_t bcast_duplist_lock; |
8b84cc4f SE |
1048 | |
1049 | /** @claim_dest: local claim data (e.g. claim group) */ | |
807736f6 | 1050 | struct batadv_bla_claim_dst claim_dest; |
8b84cc4f SE |
1051 | |
1052 | /** @work: work queue callback item for cleanups & bla announcements */ | |
807736f6 SE |
1053 | struct delayed_work work; |
1054 | }; | |
1055 | #endif | |
1056 | ||
426fc6c8 SE |
1057 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
1058 | ||
88a32c9a | 1059 | /** |
1a321b0d | 1060 | * struct batadv_priv_debug_log - debug logging data |
88a32c9a | 1061 | */ |
0abf5d81 | 1062 | struct batadv_priv_debug_log { |
8b84cc4f | 1063 | /** @log_buff: buffer holding the logs (ring bufer) */ |
0abf5d81 | 1064 | char log_buff[BATADV_LOG_BUF_LEN]; |
8b84cc4f SE |
1065 | |
1066 | /** @log_start: index of next character to read */ | |
0abf5d81 | 1067 | unsigned long log_start; |
8b84cc4f SE |
1068 | |
1069 | /** @log_end: index of next character to write */ | |
0abf5d81 | 1070 | unsigned long log_end; |
8b84cc4f SE |
1071 | |
1072 | /** @lock: lock protecting log_buff, log_start & log_end */ | |
1073 | spinlock_t lock; | |
1074 | ||
1075 | /** @queue_wait: log reader's wait queue */ | |
0abf5d81 ML |
1076 | wait_queue_head_t queue_wait; |
1077 | }; | |
1078 | #endif | |
1079 | ||
88a32c9a ML |
1080 | /** |
1081 | * struct batadv_priv_gw - per mesh interface gateway data | |
88a32c9a | 1082 | */ |
807736f6 | 1083 | struct batadv_priv_gw { |
8b84cc4f | 1084 | /** @gateway_list: list of available gateway nodes */ |
70ea5cee | 1085 | struct hlist_head gateway_list; |
8b84cc4f | 1086 | |
9264c85c | 1087 | /** @list_lock: lock protecting gateway_list, curr_gw, generation */ |
8b84cc4f SE |
1088 | spinlock_t list_lock; |
1089 | ||
1090 | /** @curr_gw: pointer to currently selected gateway node */ | |
1091 | struct batadv_gw_node __rcu *curr_gw; | |
1092 | ||
9264c85c SE |
1093 | /** @generation: current (generation) sequence number */ |
1094 | unsigned int generation; | |
1095 | ||
8b84cc4f SE |
1096 | /** |
1097 | * @mode: gateway operation: off, client or server (see batadv_gw_modes) | |
1098 | */ | |
3a24a63e | 1099 | atomic_t mode; |
8b84cc4f SE |
1100 | |
1101 | /** @sel_class: gateway selection class (applies if gw_mode client) */ | |
3a24a63e | 1102 | atomic_t sel_class; |
8b84cc4f SE |
1103 | |
1104 | /** | |
1105 | * @bandwidth_down: advertised uplink download bandwidth (if gw_mode | |
1106 | * server) | |
1107 | */ | |
414254e3 | 1108 | atomic_t bandwidth_down; |
8b84cc4f SE |
1109 | |
1110 | /** | |
1111 | * @bandwidth_up: advertised uplink upload bandwidth (if gw_mode server) | |
1112 | */ | |
414254e3 | 1113 | atomic_t bandwidth_up; |
8b84cc4f SE |
1114 | |
1115 | /** @reselect: bool indicating a gateway re-selection is in progress */ | |
807736f6 SE |
1116 | atomic_t reselect; |
1117 | }; | |
1118 | ||
ef261577 ML |
1119 | /** |
1120 | * struct batadv_priv_tvlv - per mesh interface tvlv data | |
ef261577 ML |
1121 | */ |
1122 | struct batadv_priv_tvlv { | |
8b84cc4f SE |
1123 | /** |
1124 | * @container_list: list of registered tvlv containers to be sent with | |
1125 | * each OGM | |
1126 | */ | |
ef261577 | 1127 | struct hlist_head container_list; |
8b84cc4f SE |
1128 | |
1129 | /** @handler_list: list of the various tvlv content handlers */ | |
ef261577 | 1130 | struct hlist_head handler_list; |
8b84cc4f SE |
1131 | |
1132 | /** @container_list_lock: protects tvlv container list access */ | |
1133 | spinlock_t container_list_lock; | |
1134 | ||
1135 | /** @handler_list_lock: protects handler list access */ | |
1136 | spinlock_t handler_list_lock; | |
ef261577 ML |
1137 | }; |
1138 | ||
426fc6c8 SE |
1139 | #ifdef CONFIG_BATMAN_ADV_DAT |
1140 | ||
785ea114 AQ |
1141 | /** |
1142 | * struct batadv_priv_dat - per mesh interface DAT private data | |
785ea114 AQ |
1143 | */ |
1144 | struct batadv_priv_dat { | |
8b84cc4f | 1145 | /** @addr: node DAT address */ |
785ea114 | 1146 | batadv_dat_addr_t addr; |
8b84cc4f SE |
1147 | |
1148 | /** @hash: hashtable representing the local ARP cache */ | |
2f1dfbe1 | 1149 | struct batadv_hashtable *hash; |
8b84cc4f SE |
1150 | |
1151 | /** @work: work queue callback item for cache purging */ | |
2f1dfbe1 | 1152 | struct delayed_work work; |
785ea114 | 1153 | }; |
17224474 | 1154 | #endif |
785ea114 | 1155 | |
c5caf4ef | 1156 | #ifdef CONFIG_BATMAN_ADV_MCAST |
687937ab LL |
1157 | /** |
1158 | * struct batadv_mcast_querier_state - IGMP/MLD querier state when bridged | |
687937ab LL |
1159 | */ |
1160 | struct batadv_mcast_querier_state { | |
8b84cc4f | 1161 | /** @exists: whether a querier exists in the mesh */ |
6486379d | 1162 | unsigned char exists:1; |
8b84cc4f SE |
1163 | |
1164 | /** | |
1165 | * @shadowing: if a querier exists, whether it is potentially shadowing | |
1166 | * multicast listeners (i.e. querier is behind our own bridge segment) | |
1167 | */ | |
6486379d | 1168 | unsigned char shadowing:1; |
687937ab LL |
1169 | }; |
1170 | ||
c5caf4ef LL |
1171 | /** |
1172 | * struct batadv_priv_mcast - per mesh interface mcast data | |
c5caf4ef LL |
1173 | */ |
1174 | struct batadv_priv_mcast { | |
8b84cc4f SE |
1175 | /** |
1176 | * @mla_list: list of multicast addresses we are currently announcing | |
1177 | * via TT | |
1178 | */ | |
cbebd363 | 1179 | struct hlist_head mla_list; /* see __batadv_mcast_mla_update() */ |
8b84cc4f SE |
1180 | |
1181 | /** | |
1182 | * @want_all_unsnoopables_list: a list of orig_nodes wanting all | |
1183 | * unsnoopable multicast traffic | |
1184 | */ | |
ab49886e | 1185 | struct hlist_head want_all_unsnoopables_list; |
8b84cc4f SE |
1186 | |
1187 | /** | |
1188 | * @want_all_ipv4_list: a list of orig_nodes wanting all IPv4 multicast | |
1189 | * traffic | |
1190 | */ | |
4c8755d6 | 1191 | struct hlist_head want_all_ipv4_list; |
8b84cc4f SE |
1192 | |
1193 | /** | |
1194 | * @want_all_ipv6_list: a list of orig_nodes wanting all IPv6 multicast | |
1195 | * traffic | |
1196 | */ | |
4c8755d6 | 1197 | struct hlist_head want_all_ipv6_list; |
8b84cc4f SE |
1198 | |
1199 | /** @querier_ipv4: the current state of an IGMP querier in the mesh */ | |
72f7b2de | 1200 | struct batadv_mcast_querier_state querier_ipv4; |
8b84cc4f SE |
1201 | |
1202 | /** @querier_ipv6: the current state of an MLD querier in the mesh */ | |
72f7b2de | 1203 | struct batadv_mcast_querier_state querier_ipv6; |
8b84cc4f SE |
1204 | |
1205 | /** @flags: the flags we have last sent in our mcast tvlv */ | |
6b5e971a | 1206 | u8 flags; |
8b84cc4f SE |
1207 | |
1208 | /** @enabled: whether the multicast tvlv is currently enabled */ | |
6486379d | 1209 | unsigned char enabled:1; |
8b84cc4f SE |
1210 | |
1211 | /** @bridged: whether the soft interface has a bridge on top */ | |
6486379d | 1212 | unsigned char bridged:1; |
8b84cc4f | 1213 | |
a3c7cd0c LL |
1214 | /** |
1215 | * @mla_lock: a lock protecting mla_list and mla_flags | |
1216 | */ | |
1217 | spinlock_t mla_lock; | |
1218 | ||
8b84cc4f SE |
1219 | /** |
1220 | * @num_want_all_unsnoopables: number of nodes wanting unsnoopable IP | |
1221 | * traffic | |
1222 | */ | |
ab49886e | 1223 | atomic_t num_want_all_unsnoopables; |
8b84cc4f SE |
1224 | |
1225 | /** @num_want_all_ipv4: counter for items in want_all_ipv4_list */ | |
4c8755d6 | 1226 | atomic_t num_want_all_ipv4; |
8b84cc4f SE |
1227 | |
1228 | /** @num_want_all_ipv6: counter for items in want_all_ipv6_list */ | |
4c8755d6 | 1229 | atomic_t num_want_all_ipv6; |
8b84cc4f SE |
1230 | |
1231 | /** | |
1232 | * @want_lists_lock: lock for protecting modifications to mcasts | |
1233 | * want_all_{unsnoopables,ipv4,ipv6}_list (traversals are rcu-locked) | |
1234 | */ | |
ab49886e | 1235 | spinlock_t want_lists_lock; |
8b84cc4f SE |
1236 | |
1237 | /** @work: work queue callback item for multicast TT and TVLV updates */ | |
cbebd363 | 1238 | struct delayed_work work; |
c5caf4ef LL |
1239 | }; |
1240 | #endif | |
1241 | ||
d353d8d4 MH |
1242 | /** |
1243 | * struct batadv_priv_nc - per mesh interface network coding private data | |
d353d8d4 MH |
1244 | */ |
1245 | struct batadv_priv_nc { | |
8b84cc4f | 1246 | /** @work: work queue callback item for cleanup */ |
d353d8d4 | 1247 | struct delayed_work work; |
8b84cc4f | 1248 | |
dc06338d | 1249 | #ifdef CONFIG_BATMAN_ADV_DEBUGFS |
8b84cc4f SE |
1250 | /** |
1251 | * @debug_dir: dentry for nc subdir in batman-adv directory in debugfs | |
1252 | */ | |
d56b1705 | 1253 | struct dentry *debug_dir; |
dc06338d | 1254 | #endif |
8b84cc4f SE |
1255 | |
1256 | /** | |
1257 | * @min_tq: only consider neighbors for encoding if neigh_tq > min_tq | |
1258 | */ | |
d56b1705 | 1259 | u8 min_tq; |
8b84cc4f SE |
1260 | |
1261 | /** | |
1262 | * @max_fwd_delay: maximum packet forward delay to allow coding of | |
1263 | * packets | |
1264 | */ | |
95332477 | 1265 | u32 max_fwd_delay; |
8b84cc4f SE |
1266 | |
1267 | /** | |
1268 | * @max_buffer_time: buffer time for sniffed packets used to decoding | |
1269 | */ | |
612d2b4f | 1270 | u32 max_buffer_time; |
8b84cc4f SE |
1271 | |
1272 | /** | |
1273 | * @timestamp_fwd_flush: timestamp of last forward packet queue flush | |
1274 | */ | |
95332477 | 1275 | unsigned long timestamp_fwd_flush; |
8b84cc4f SE |
1276 | |
1277 | /** | |
1278 | * @timestamp_sniffed_purge: timestamp of last sniffed packet queue | |
1279 | * purge | |
1280 | */ | |
612d2b4f | 1281 | unsigned long timestamp_sniffed_purge; |
8b84cc4f SE |
1282 | |
1283 | /** | |
1284 | * @coding_hash: Hash table used to buffer skbs while waiting for | |
1285 | * another incoming skb to code it with. Skbs are added to the buffer | |
1286 | * just before being forwarded in routing.c | |
1287 | */ | |
95332477 | 1288 | struct batadv_hashtable *coding_hash; |
8b84cc4f SE |
1289 | |
1290 | /** | |
1291 | * @decoding_hash: Hash table used to buffer skbs that might be needed | |
1292 | * to decode a received coded skb. The buffer is used for 1) skbs | |
1293 | * arriving on the soft-interface; 2) skbs overheard on the | |
1294 | * hard-interface; and 3) skbs forwarded by batman-adv. | |
1295 | */ | |
612d2b4f | 1296 | struct batadv_hashtable *decoding_hash; |
d353d8d4 MH |
1297 | }; |
1298 | ||
33a3bb4a AQ |
1299 | /** |
1300 | * struct batadv_tp_unacked - unacked packet meta-information | |
33a3bb4a AQ |
1301 | * |
1302 | * This struct is supposed to represent a buffer unacked packet. However, since | |
1303 | * the purpose of the TP meter is to count the traffic only, there is no need to | |
1304 | * store the entire sk_buff, the starting offset and the length are enough | |
1305 | */ | |
1306 | struct batadv_tp_unacked { | |
8b84cc4f | 1307 | /** @seqno: seqno of the unacked packet */ |
33a3bb4a | 1308 | u32 seqno; |
8b84cc4f SE |
1309 | |
1310 | /** @len: length of the packet */ | |
33a3bb4a | 1311 | u16 len; |
8b84cc4f | 1312 | |
a07369d7 | 1313 | /** @list: list node for &batadv_tp_vars.unacked_list */ |
33a3bb4a AQ |
1314 | struct list_head list; |
1315 | }; | |
1316 | ||
1317 | /** | |
1318 | * enum batadv_tp_meter_role - Modus in tp meter session | |
33a3bb4a AQ |
1319 | */ |
1320 | enum batadv_tp_meter_role { | |
8b84cc4f | 1321 | /** @BATADV_TP_RECEIVER: Initialized as receiver */ |
33a3bb4a | 1322 | BATADV_TP_RECEIVER, |
8b84cc4f SE |
1323 | |
1324 | /** @BATADV_TP_SENDER: Initialized as sender */ | |
33a3bb4a AQ |
1325 | BATADV_TP_SENDER |
1326 | }; | |
1327 | ||
1328 | /** | |
1329 | * struct batadv_tp_vars - tp meter private variables per session | |
33a3bb4a AQ |
1330 | */ |
1331 | struct batadv_tp_vars { | |
a07369d7 | 1332 | /** @list: list node for &bat_priv.tp_list */ |
33a3bb4a | 1333 | struct hlist_node list; |
8b84cc4f SE |
1334 | |
1335 | /** @timer: timer for ack (receiver) and retry (sender) */ | |
33a3bb4a | 1336 | struct timer_list timer; |
8b84cc4f SE |
1337 | |
1338 | /** @bat_priv: pointer to the mesh object */ | |
33a3bb4a | 1339 | struct batadv_priv *bat_priv; |
8b84cc4f SE |
1340 | |
1341 | /** @start_time: start time in jiffies */ | |
33a3bb4a | 1342 | unsigned long start_time; |
8b84cc4f SE |
1343 | |
1344 | /** @other_end: mac address of remote */ | |
33a3bb4a | 1345 | u8 other_end[ETH_ALEN]; |
8b84cc4f SE |
1346 | |
1347 | /** @role: receiver/sender modi */ | |
33a3bb4a | 1348 | enum batadv_tp_meter_role role; |
8b84cc4f SE |
1349 | |
1350 | /** @sending: sending binary semaphore: 1 if sending, 0 is not */ | |
33a3bb4a | 1351 | atomic_t sending; |
8b84cc4f SE |
1352 | |
1353 | /** @reason: reason for a stopped session */ | |
33a3bb4a | 1354 | enum batadv_tp_meter_reason reason; |
8b84cc4f SE |
1355 | |
1356 | /** @finish_work: work item for the finishing procedure */ | |
33a3bb4a | 1357 | struct delayed_work finish_work; |
8b84cc4f SE |
1358 | |
1359 | /** @test_length: test length in milliseconds */ | |
33a3bb4a | 1360 | u32 test_length; |
8b84cc4f SE |
1361 | |
1362 | /** @session: TP session identifier */ | |
33a3bb4a | 1363 | u8 session[2]; |
8b84cc4f SE |
1364 | |
1365 | /** @icmp_uid: local ICMP "socket" index */ | |
33a3bb4a AQ |
1366 | u8 icmp_uid; |
1367 | ||
1368 | /* sender variables */ | |
8b84cc4f SE |
1369 | |
1370 | /** @dec_cwnd: decimal part of the cwnd used during linear growth */ | |
33a3bb4a | 1371 | u16 dec_cwnd; |
8b84cc4f SE |
1372 | |
1373 | /** @cwnd: current size of the congestion window */ | |
33a3bb4a | 1374 | u32 cwnd; |
8b84cc4f SE |
1375 | |
1376 | /** @cwnd_lock: lock do protect @cwnd & @dec_cwnd */ | |
1377 | spinlock_t cwnd_lock; | |
1378 | ||
1379 | /** | |
1380 | * @ss_threshold: Slow Start threshold. Once cwnd exceeds this value the | |
1381 | * connection switches to the Congestion Avoidance state | |
1382 | */ | |
33a3bb4a | 1383 | u32 ss_threshold; |
8b84cc4f SE |
1384 | |
1385 | /** @last_acked: last acked byte */ | |
33a3bb4a | 1386 | atomic_t last_acked; |
8b84cc4f SE |
1387 | |
1388 | /** @last_sent: last sent byte, not yet acked */ | |
33a3bb4a | 1389 | u32 last_sent; |
8b84cc4f SE |
1390 | |
1391 | /** @tot_sent: amount of data sent/ACKed so far */ | |
33a3bb4a | 1392 | atomic64_t tot_sent; |
8b84cc4f SE |
1393 | |
1394 | /** @dup_acks: duplicate ACKs counter */ | |
33a3bb4a | 1395 | atomic_t dup_acks; |
8b84cc4f SE |
1396 | |
1397 | /** @fast_recovery: true if in Fast Recovery mode */ | |
6486379d | 1398 | unsigned char fast_recovery:1; |
8b84cc4f SE |
1399 | |
1400 | /** @recover: last sent seqno when entering Fast Recovery */ | |
33a3bb4a | 1401 | u32 recover; |
8b84cc4f SE |
1402 | |
1403 | /** @rto: sender timeout */ | |
33a3bb4a | 1404 | u32 rto; |
8b84cc4f SE |
1405 | |
1406 | /** @srtt: smoothed RTT scaled by 2^3 */ | |
33a3bb4a | 1407 | u32 srtt; |
8b84cc4f SE |
1408 | |
1409 | /** @rttvar: RTT variation scaled by 2^2 */ | |
33a3bb4a | 1410 | u32 rttvar; |
8b84cc4f SE |
1411 | |
1412 | /** | |
1413 | * @more_bytes: waiting queue anchor when waiting for more ack/retry | |
1414 | * timeout | |
1415 | */ | |
33a3bb4a | 1416 | wait_queue_head_t more_bytes; |
8b84cc4f SE |
1417 | |
1418 | /** @prerandom_offset: offset inside the prerandom buffer */ | |
33a3bb4a | 1419 | u32 prerandom_offset; |
8b84cc4f SE |
1420 | |
1421 | /** @prerandom_lock: spinlock protecting access to prerandom_offset */ | |
1422 | spinlock_t prerandom_lock; | |
33a3bb4a AQ |
1423 | |
1424 | /* receiver variables */ | |
8b84cc4f SE |
1425 | |
1426 | /** @last_recv: last in-order received packet */ | |
33a3bb4a | 1427 | u32 last_recv; |
8b84cc4f SE |
1428 | |
1429 | /** @unacked_list: list of unacked packets (meta-info only) */ | |
33a3bb4a | 1430 | struct list_head unacked_list; |
8b84cc4f SE |
1431 | |
1432 | /** @unacked_lock: protect unacked_list */ | |
1433 | spinlock_t unacked_lock; | |
1434 | ||
1435 | /** @last_recv_time: time time (jiffies) a msg was received */ | |
33a3bb4a | 1436 | unsigned long last_recv_time; |
8b84cc4f SE |
1437 | |
1438 | /** @refcount: number of context where the object is used */ | |
33a3bb4a | 1439 | struct kref refcount; |
8b84cc4f SE |
1440 | |
1441 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
33a3bb4a AQ |
1442 | struct rcu_head rcu; |
1443 | }; | |
1444 | ||
5d2c05b2 AQ |
1445 | /** |
1446 | * struct batadv_softif_vlan - per VLAN attributes set | |
5d2c05b2 AQ |
1447 | */ |
1448 | struct batadv_softif_vlan { | |
8b84cc4f | 1449 | /** @bat_priv: pointer to the mesh object */ |
35df3b29 | 1450 | struct batadv_priv *bat_priv; |
8b84cc4f SE |
1451 | |
1452 | /** @vid: VLAN identifier */ | |
5d2c05b2 | 1453 | unsigned short vid; |
8b84cc4f SE |
1454 | |
1455 | /** @kobj: kobject for sysfs vlan subdirectory */ | |
5d2c05b2 | 1456 | struct kobject *kobj; |
8b84cc4f SE |
1457 | |
1458 | /** @ap_isolation: AP isolation state */ | |
b8cbd81d | 1459 | atomic_t ap_isolation; /* boolean */ |
8b84cc4f SE |
1460 | |
1461 | /** @tt: TT private attributes (VLAN specific) */ | |
7ea7b4a1 | 1462 | struct batadv_vlan_tt tt; |
8b84cc4f | 1463 | |
a07369d7 | 1464 | /** @list: list node for &bat_priv.softif_vlan_list */ |
5d2c05b2 | 1465 | struct hlist_node list; |
8b84cc4f SE |
1466 | |
1467 | /** | |
1468 | * @refcount: number of context where this object is currently in use | |
1469 | */ | |
6be4d30c | 1470 | struct kref refcount; |
8b84cc4f SE |
1471 | |
1472 | /** @rcu: struct used for freeing in a RCU-safe manner */ | |
5d2c05b2 AQ |
1473 | struct rcu_head rcu; |
1474 | }; | |
1475 | ||
0da00359 AQ |
1476 | /** |
1477 | * struct batadv_priv_bat_v - B.A.T.M.A.N. V per soft-interface private data | |
0da00359 AQ |
1478 | */ |
1479 | struct batadv_priv_bat_v { | |
8b84cc4f | 1480 | /** @ogm_buff: buffer holding the OGM packet */ |
0da00359 | 1481 | unsigned char *ogm_buff; |
8b84cc4f SE |
1482 | |
1483 | /** @ogm_buff_len: length of the OGM packet buffer */ | |
0da00359 | 1484 | int ogm_buff_len; |
8b84cc4f SE |
1485 | |
1486 | /** @ogm_seqno: OGM sequence number - used to identify each OGM */ | |
0da00359 | 1487 | atomic_t ogm_seqno; |
8b84cc4f SE |
1488 | |
1489 | /** @ogm_wq: workqueue used to schedule OGM transmissions */ | |
0da00359 AQ |
1490 | struct delayed_work ogm_wq; |
1491 | }; | |
1492 | ||
88a32c9a ML |
1493 | /** |
1494 | * struct batadv_priv - per mesh interface data | |
88a32c9a | 1495 | */ |
56303d34 | 1496 | struct batadv_priv { |
8b84cc4f SE |
1497 | /** |
1498 | * @mesh_state: current status of the mesh | |
1499 | * (inactive/active/deactivating) | |
1500 | */ | |
c6c8fea2 | 1501 | atomic_t mesh_state; |
8b84cc4f SE |
1502 | |
1503 | /** @soft_iface: net device which holds this struct as private data */ | |
5bc44dc8 | 1504 | struct net_device *soft_iface; |
8b84cc4f SE |
1505 | |
1506 | /** | |
1507 | * @bat_counters: mesh internal traffic statistic counters (see | |
1508 | * batadv_counters) | |
1509 | */ | |
6b5e971a | 1510 | u64 __percpu *bat_counters; /* Per cpu counters */ |
8b84cc4f SE |
1511 | |
1512 | /** | |
1513 | * @aggregated_ogms: bool indicating whether OGM aggregation is enabled | |
1514 | */ | |
88a32c9a | 1515 | atomic_t aggregated_ogms; |
8b84cc4f SE |
1516 | |
1517 | /** @bonding: bool indicating whether traffic bonding is enabled */ | |
88a32c9a | 1518 | atomic_t bonding; |
8b84cc4f SE |
1519 | |
1520 | /** | |
1521 | * @fragmentation: bool indicating whether traffic fragmentation is | |
1522 | * enabled | |
1523 | */ | |
88a32c9a | 1524 | atomic_t fragmentation; |
8b84cc4f SE |
1525 | |
1526 | /** | |
1527 | * @packet_size_max: max packet size that can be transmitted via | |
1528 | * multiple fragmented skbs or a single frame if fragmentation is | |
1529 | * disabled | |
1530 | */ | |
a19d3d85 | 1531 | atomic_t packet_size_max; |
8b84cc4f SE |
1532 | |
1533 | /** | |
1534 | * @frag_seqno: incremental counter to identify chains of egress | |
1535 | * fragments | |
1536 | */ | |
ee75ed88 | 1537 | atomic_t frag_seqno; |
8b84cc4f | 1538 | |
fa706554 | 1539 | #ifdef CONFIG_BATMAN_ADV_BLA |
8b84cc4f SE |
1540 | /** |
1541 | * @bridge_loop_avoidance: bool indicating whether bridge loop | |
1542 | * avoidance is enabled | |
1543 | */ | |
88a32c9a | 1544 | atomic_t bridge_loop_avoidance; |
fa706554 | 1545 | #endif |
8b84cc4f | 1546 | |
33af49ad | 1547 | #ifdef CONFIG_BATMAN_ADV_DAT |
8b84cc4f SE |
1548 | /** |
1549 | * @distributed_arp_table: bool indicating whether distributed ARP table | |
1550 | * is enabled | |
1551 | */ | |
88a32c9a | 1552 | atomic_t distributed_arp_table; |
1d8ab8d3 | 1553 | #endif |
8b84cc4f | 1554 | |
1d8ab8d3 | 1555 | #ifdef CONFIG_BATMAN_ADV_MCAST |
8b84cc4f SE |
1556 | /** |
1557 | * @multicast_mode: Enable or disable multicast optimizations on this | |
1558 | * node's sender/originating side | |
1559 | */ | |
1d8ab8d3 | 1560 | atomic_t multicast_mode; |
32e72744 LL |
1561 | |
1562 | /** | |
1563 | * @multicast_fanout: Maximum number of packet copies to generate for a | |
1564 | * multicast-to-unicast conversion | |
1565 | */ | |
1566 | atomic_t multicast_fanout; | |
33af49ad | 1567 | #endif |
8b84cc4f SE |
1568 | |
1569 | /** @orig_interval: OGM broadcast interval in milliseconds */ | |
88a32c9a | 1570 | atomic_t orig_interval; |
8b84cc4f SE |
1571 | |
1572 | /** | |
1573 | * @hop_penalty: penalty which will be applied to an OGM's tq-field on | |
1574 | * every hop | |
1575 | */ | |
88a32c9a | 1576 | atomic_t hop_penalty; |
8b84cc4f | 1577 | |
0c430d0d | 1578 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
8b84cc4f | 1579 | /** @log_level: configured log level (see batadv_dbg_level) */ |
88a32c9a | 1580 | atomic_t log_level; |
0c430d0d | 1581 | #endif |
8b84cc4f SE |
1582 | |
1583 | /** | |
1584 | * @isolation_mark: the skb->mark value used to match packets for AP | |
1585 | * isolation | |
1586 | */ | |
6b5e971a | 1587 | u32 isolation_mark; |
8b84cc4f SE |
1588 | |
1589 | /** | |
1590 | * @isolation_mark_mask: bitmask identifying the bits in skb->mark to be | |
1591 | * used for the isolation mark | |
1592 | */ | |
6b5e971a | 1593 | u32 isolation_mark_mask; |
8b84cc4f SE |
1594 | |
1595 | /** @bcast_seqno: last sent broadcast packet sequence number */ | |
c6c8fea2 | 1596 | atomic_t bcast_seqno; |
8b84cc4f SE |
1597 | |
1598 | /** | |
1599 | * @bcast_queue_left: number of remaining buffered broadcast packet | |
1600 | * slots | |
1601 | */ | |
c6c8fea2 | 1602 | atomic_t bcast_queue_left; |
8b84cc4f SE |
1603 | |
1604 | /** @batman_queue_left: number of remaining OGM packet slots */ | |
c6c8fea2 | 1605 | atomic_t batman_queue_left; |
8b84cc4f | 1606 | |
8b84cc4f | 1607 | /** @mesh_obj: kobject for sysfs mesh subdirectory */ |
c6c8fea2 | 1608 | struct kobject *mesh_obj; |
8b84cc4f | 1609 | |
dc06338d | 1610 | #ifdef CONFIG_BATMAN_ADV_DEBUGFS |
8b84cc4f | 1611 | /** @debug_dir: dentry for debugfs batman-adv subdirectory */ |
c6c8fea2 | 1612 | struct dentry *debug_dir; |
dc06338d | 1613 | #endif |
8b84cc4f SE |
1614 | |
1615 | /** @forw_bat_list: list of aggregated OGMs that will be forwarded */ | |
c6c8fea2 | 1616 | struct hlist_head forw_bat_list; |
8b84cc4f SE |
1617 | |
1618 | /** | |
1619 | * @forw_bcast_list: list of broadcast packets that will be | |
1620 | * rebroadcasted | |
1621 | */ | |
c6c8fea2 | 1622 | struct hlist_head forw_bcast_list; |
8b84cc4f SE |
1623 | |
1624 | /** @tp_list: list of tp sessions */ | |
33a3bb4a | 1625 | struct hlist_head tp_list; |
8b84cc4f SE |
1626 | |
1627 | /** @tp_num: number of currently active tp sessions */ | |
5bf74e9c | 1628 | struct batadv_hashtable *orig_hash; |
8b84cc4f SE |
1629 | |
1630 | /** @orig_hash: hash table containing mesh participants (orig nodes) */ | |
1631 | spinlock_t forw_bat_list_lock; | |
1632 | ||
1633 | /** @forw_bat_list_lock: lock protecting forw_bat_list */ | |
1634 | spinlock_t forw_bcast_list_lock; | |
1635 | ||
1636 | /** @forw_bcast_list_lock: lock protecting forw_bcast_list */ | |
1637 | spinlock_t tp_list_lock; | |
1638 | ||
1639 | /** @tp_list_lock: spinlock protecting @tp_list */ | |
33a3bb4a | 1640 | atomic_t tp_num; |
8b84cc4f SE |
1641 | |
1642 | /** @orig_work: work queue callback item for orig node purging */ | |
c6c8fea2 | 1643 | struct delayed_work orig_work; |
8b84cc4f SE |
1644 | |
1645 | /** | |
1646 | * @primary_if: one of the hard-interfaces assigned to this mesh | |
1647 | * interface becomes the primary interface | |
1648 | */ | |
56303d34 | 1649 | struct batadv_hard_iface __rcu *primary_if; /* rcu protected pointer */ |
8b84cc4f SE |
1650 | |
1651 | /** @algo_ops: routing algorithm used by this mesh interface */ | |
29824a55 | 1652 | struct batadv_algo_ops *algo_ops; |
8b84cc4f SE |
1653 | |
1654 | /** | |
1655 | * @softif_vlan_list: a list of softif_vlan structs, one per VLAN | |
1656 | * created on top of the mesh interface represented by this object | |
1657 | */ | |
5d2c05b2 | 1658 | struct hlist_head softif_vlan_list; |
8b84cc4f SE |
1659 | |
1660 | /** @softif_vlan_list_lock: lock protecting softif_vlan_list */ | |
1661 | spinlock_t softif_vlan_list_lock; | |
1662 | ||
807736f6 | 1663 | #ifdef CONFIG_BATMAN_ADV_BLA |
8b84cc4f | 1664 | /** @bla: bridge loope avoidance data */ |
807736f6 | 1665 | struct batadv_priv_bla bla; |
0abf5d81 | 1666 | #endif |
8b84cc4f | 1667 | |
0abf5d81 | 1668 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
8b84cc4f | 1669 | /** @debug_log: holding debug logging relevant data */ |
0abf5d81 | 1670 | struct batadv_priv_debug_log *debug_log; |
807736f6 | 1671 | #endif |
8b84cc4f SE |
1672 | |
1673 | /** @gw: gateway data */ | |
807736f6 | 1674 | struct batadv_priv_gw gw; |
8b84cc4f SE |
1675 | |
1676 | /** @tt: translation table data */ | |
807736f6 | 1677 | struct batadv_priv_tt tt; |
8b84cc4f SE |
1678 | |
1679 | /** @tvlv: type-version-length-value data */ | |
ef261577 | 1680 | struct batadv_priv_tvlv tvlv; |
8b84cc4f | 1681 | |
17224474 | 1682 | #ifdef CONFIG_BATMAN_ADV_DAT |
8b84cc4f | 1683 | /** @dat: distributed arp table data */ |
785ea114 | 1684 | struct batadv_priv_dat dat; |
17224474 | 1685 | #endif |
8b84cc4f | 1686 | |
c5caf4ef | 1687 | #ifdef CONFIG_BATMAN_ADV_MCAST |
8b84cc4f | 1688 | /** @mcast: multicast data */ |
c5caf4ef LL |
1689 | struct batadv_priv_mcast mcast; |
1690 | #endif | |
8b84cc4f | 1691 | |
d353d8d4 | 1692 | #ifdef CONFIG_BATMAN_ADV_NC |
8b84cc4f SE |
1693 | /** |
1694 | * @network_coding: bool indicating whether network coding is enabled | |
1695 | */ | |
d353d8d4 | 1696 | atomic_t network_coding; |
8b84cc4f SE |
1697 | |
1698 | /** @nc: network coding data */ | |
d353d8d4 MH |
1699 | struct batadv_priv_nc nc; |
1700 | #endif /* CONFIG_BATMAN_ADV_NC */ | |
8b84cc4f | 1701 | |
0da00359 | 1702 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
8b84cc4f | 1703 | /** @bat_v: B.A.T.M.A.N. V per soft-interface private data */ |
0da00359 AQ |
1704 | struct batadv_priv_bat_v bat_v; |
1705 | #endif | |
c6c8fea2 SE |
1706 | }; |
1707 | ||
88a32c9a ML |
1708 | /** |
1709 | * struct batadv_socket_client - layer2 icmp socket client data | |
88a32c9a | 1710 | */ |
56303d34 | 1711 | struct batadv_socket_client { |
8b84cc4f SE |
1712 | /** |
1713 | * @queue_list: packet queue for packets destined for this socket client | |
1714 | */ | |
c6c8fea2 | 1715 | struct list_head queue_list; |
8b84cc4f SE |
1716 | |
1717 | /** @queue_len: number of packets in the packet queue (queue_list) */ | |
c6c8fea2 | 1718 | unsigned int queue_len; |
8b84cc4f SE |
1719 | |
1720 | /** @index: socket client's index in the batadv_socket_client_hash */ | |
c6c8fea2 | 1721 | unsigned char index; |
8b84cc4f SE |
1722 | |
1723 | /** @lock: lock protecting queue_list, queue_len & index */ | |
1724 | spinlock_t lock; | |
1725 | ||
1726 | /** @queue_wait: socket client's wait queue */ | |
c6c8fea2 | 1727 | wait_queue_head_t queue_wait; |
8b84cc4f SE |
1728 | |
1729 | /** @bat_priv: pointer to soft_iface this client belongs to */ | |
56303d34 | 1730 | struct batadv_priv *bat_priv; |
c6c8fea2 SE |
1731 | }; |
1732 | ||
88a32c9a ML |
1733 | /** |
1734 | * struct batadv_socket_packet - layer2 icmp packet for socket client | |
88a32c9a | 1735 | */ |
56303d34 | 1736 | struct batadv_socket_packet { |
a07369d7 | 1737 | /** @list: list node for &batadv_socket_client.queue_list */ |
c6c8fea2 | 1738 | struct list_head list; |
8b84cc4f SE |
1739 | |
1740 | /** @icmp_len: size of the layer2 icmp packet */ | |
c6c8fea2 | 1741 | size_t icmp_len; |
8b84cc4f SE |
1742 | |
1743 | /** @icmp_packet: layer2 icmp packet */ | |
6b5e971a | 1744 | u8 icmp_packet[BATADV_ICMP_MAX_PACKET_SIZE]; |
c6c8fea2 SE |
1745 | }; |
1746 | ||
426fc6c8 SE |
1747 | #ifdef CONFIG_BATMAN_ADV_BLA |
1748 | ||
88a32c9a ML |
1749 | /** |
1750 | * struct batadv_bla_backbone_gw - batman-adv gateway bridged into the LAN | |
88a32c9a | 1751 | */ |
bae98774 | 1752 | struct batadv_bla_backbone_gw { |
8b84cc4f SE |
1753 | /** |
1754 | * @orig: originator address of backbone node (mac address of primary | |
1755 | * iface) | |
1756 | */ | |
6b5e971a | 1757 | u8 orig[ETH_ALEN]; |
8b84cc4f SE |
1758 | |
1759 | /** @vid: vlan id this gateway was detected on */ | |
eb2deb6b | 1760 | unsigned short vid; |
8b84cc4f | 1761 | |
a07369d7 | 1762 | /** @hash_entry: hlist node for &batadv_priv_bla.backbone_hash */ |
2006fea8 | 1763 | struct hlist_node hash_entry; |
8b84cc4f SE |
1764 | |
1765 | /** @bat_priv: pointer to soft_iface this backbone gateway belongs to */ | |
2006fea8 | 1766 | struct batadv_priv *bat_priv; |
8b84cc4f SE |
1767 | |
1768 | /** @lasttime: last time we heard of this backbone gw */ | |
88a32c9a | 1769 | unsigned long lasttime; |
8b84cc4f SE |
1770 | |
1771 | /** | |
1772 | * @wait_periods: grace time for bridge forward delays and bla group | |
1773 | * forming at bootup phase - no bcast traffic is formwared until it has | |
1774 | * elapsed | |
1775 | */ | |
2006fea8 | 1776 | atomic_t wait_periods; |
8b84cc4f SE |
1777 | |
1778 | /** | |
1779 | * @request_sent: if this bool is set to true we are out of sync with | |
1780 | * this backbone gateway - no bcast traffic is formwared until the | |
1781 | * situation was resolved | |
1782 | */ | |
2006fea8 | 1783 | atomic_t request_sent; |
8b84cc4f SE |
1784 | |
1785 | /** @crc: crc16 checksum over all claims */ | |
6b5e971a | 1786 | u16 crc; |
8b84cc4f SE |
1787 | |
1788 | /** @crc_lock: lock protecting crc */ | |
1789 | spinlock_t crc_lock; | |
1790 | ||
1791 | /** @report_work: work struct for reporting detected loops */ | |
cd9c7bfb | 1792 | struct work_struct report_work; |
8b84cc4f SE |
1793 | |
1794 | /** @refcount: number of contexts the object is used */ | |
06e56ded | 1795 | struct kref refcount; |
8b84cc4f SE |
1796 | |
1797 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
2006fea8 | 1798 | struct rcu_head rcu; |
2006fea8 ML |
1799 | }; |
1800 | ||
88a32c9a ML |
1801 | /** |
1802 | * struct batadv_bla_claim - claimed non-mesh client structure | |
88a32c9a | 1803 | */ |
712bbfe4 | 1804 | struct batadv_bla_claim { |
8b84cc4f | 1805 | /** @addr: mac address of claimed non-mesh client */ |
6b5e971a | 1806 | u8 addr[ETH_ALEN]; |
8b84cc4f SE |
1807 | |
1808 | /** @vid: vlan id this client was detected on */ | |
eb2deb6b | 1809 | unsigned short vid; |
8b84cc4f SE |
1810 | |
1811 | /** @backbone_gw: pointer to backbone gw claiming this client */ | |
bae98774 | 1812 | struct batadv_bla_backbone_gw *backbone_gw; |
8b84cc4f SE |
1813 | |
1814 | /** @backbone_lock: lock protecting backbone_gw pointer */ | |
1815 | spinlock_t backbone_lock; | |
1816 | ||
1817 | /** @lasttime: last time we heard of claim (locals only) */ | |
88a32c9a | 1818 | unsigned long lasttime; |
8b84cc4f | 1819 | |
a07369d7 | 1820 | /** @hash_entry: hlist node for &batadv_priv_bla.claim_hash */ |
88a32c9a | 1821 | struct hlist_node hash_entry; |
8b84cc4f SE |
1822 | |
1823 | /** @refcount: number of contexts the object is used */ | |
2006fea8 | 1824 | struct rcu_head rcu; |
8b84cc4f SE |
1825 | |
1826 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
71b7e3d3 | 1827 | struct kref refcount; |
2006fea8 ML |
1828 | }; |
1829 | #endif | |
1830 | ||
88a32c9a ML |
1831 | /** |
1832 | * struct batadv_tt_common_entry - tt local & tt global common data | |
88a32c9a | 1833 | */ |
56303d34 | 1834 | struct batadv_tt_common_entry { |
8b84cc4f | 1835 | /** @addr: mac address of non-mesh client */ |
6b5e971a | 1836 | u8 addr[ETH_ALEN]; |
8b84cc4f SE |
1837 | |
1838 | /** @vid: VLAN identifier */ | |
c018ad3d | 1839 | unsigned short vid; |
8b84cc4f SE |
1840 | |
1841 | /** | |
a07369d7 SE |
1842 | * @hash_entry: hlist node for &batadv_priv_tt.local_hash or for |
1843 | * &batadv_priv_tt.global_hash | |
8b84cc4f | 1844 | */ |
93840ac4 | 1845 | struct hlist_node hash_entry; |
8b84cc4f SE |
1846 | |
1847 | /** @flags: various state handling flags (see batadv_tt_client_flags) */ | |
6b5e971a | 1848 | u16 flags; |
8b84cc4f SE |
1849 | |
1850 | /** @added_at: timestamp used for purging stale tt common entries */ | |
30cfd02b | 1851 | unsigned long added_at; |
8b84cc4f SE |
1852 | |
1853 | /** @refcount: number of contexts the object is used */ | |
92dcdf09 | 1854 | struct kref refcount; |
8b84cc4f SE |
1855 | |
1856 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
7683fdc1 | 1857 | struct rcu_head rcu; |
c6c8fea2 SE |
1858 | }; |
1859 | ||
88a32c9a ML |
1860 | /** |
1861 | * struct batadv_tt_local_entry - translation table local entry data | |
88a32c9a | 1862 | */ |
56303d34 | 1863 | struct batadv_tt_local_entry { |
8b84cc4f | 1864 | /** @common: general translation table data */ |
56303d34 | 1865 | struct batadv_tt_common_entry common; |
8b84cc4f SE |
1866 | |
1867 | /** @last_seen: timestamp used for purging stale tt local entries */ | |
48100bac | 1868 | unsigned long last_seen; |
8b84cc4f SE |
1869 | |
1870 | /** @vlan: soft-interface vlan of the entry */ | |
a33d970d | 1871 | struct batadv_softif_vlan *vlan; |
48100bac AQ |
1872 | }; |
1873 | ||
88a32c9a ML |
1874 | /** |
1875 | * struct batadv_tt_global_entry - translation table global entry data | |
88a32c9a | 1876 | */ |
56303d34 | 1877 | struct batadv_tt_global_entry { |
8b84cc4f | 1878 | /** @common: general translation table data */ |
56303d34 | 1879 | struct batadv_tt_common_entry common; |
8b84cc4f SE |
1880 | |
1881 | /** @orig_list: list of orig nodes announcing this non-mesh client */ | |
db08e6e5 | 1882 | struct hlist_head orig_list; |
8b84cc4f SE |
1883 | |
1884 | /** @orig_list_count: number of items in the orig_list */ | |
1d8ab8d3 | 1885 | atomic_t orig_list_count; |
8b84cc4f SE |
1886 | |
1887 | /** @list_lock: lock protecting orig_list */ | |
1888 | spinlock_t list_lock; | |
1889 | ||
1890 | /** @roam_at: time at which TT_GLOBAL_ROAM was set */ | |
88a32c9a | 1891 | unsigned long roam_at; |
db08e6e5 SW |
1892 | }; |
1893 | ||
88a32c9a ML |
1894 | /** |
1895 | * struct batadv_tt_orig_list_entry - orig node announcing a non-mesh client | |
88a32c9a | 1896 | */ |
56303d34 | 1897 | struct batadv_tt_orig_list_entry { |
8b84cc4f | 1898 | /** @orig_node: pointer to orig node announcing this non-mesh client */ |
56303d34 | 1899 | struct batadv_orig_node *orig_node; |
8b84cc4f SE |
1900 | |
1901 | /** | |
1902 | * @ttvn: translation table version number which added the non-mesh | |
1903 | * client | |
1904 | */ | |
6b5e971a | 1905 | u8 ttvn; |
8b84cc4f SE |
1906 | |
1907 | /** @flags: per orig entry TT sync flags */ | |
54e22f26 | 1908 | u8 flags; |
8b84cc4f | 1909 | |
a07369d7 | 1910 | /** @list: list node for &batadv_tt_global_entry.orig_list */ |
88a32c9a | 1911 | struct hlist_node list; |
8b84cc4f SE |
1912 | |
1913 | /** @refcount: number of contexts the object is used */ | |
6e8ef69d | 1914 | struct kref refcount; |
8b84cc4f SE |
1915 | |
1916 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
db08e6e5 | 1917 | struct rcu_head rcu; |
c6c8fea2 SE |
1918 | }; |
1919 | ||
88a32c9a | 1920 | /** |
3f68785e | 1921 | * struct batadv_tt_change_node - structure for tt changes occurred |
88a32c9a | 1922 | */ |
56303d34 | 1923 | struct batadv_tt_change_node { |
a07369d7 | 1924 | /** @list: list node for &batadv_priv_tt.changes_list */ |
a73105b8 | 1925 | struct list_head list; |
8b84cc4f SE |
1926 | |
1927 | /** @change: holds the actual translation table diff data */ | |
e1bf0c14 | 1928 | struct batadv_tvlv_tt_change change; |
a73105b8 AQ |
1929 | }; |
1930 | ||
88a32c9a ML |
1931 | /** |
1932 | * struct batadv_tt_req_node - data to keep track of the tt requests in flight | |
88a32c9a | 1933 | */ |
56303d34 | 1934 | struct batadv_tt_req_node { |
8b84cc4f SE |
1935 | /** |
1936 | * @addr: mac address address of the originator this request was sent to | |
1937 | */ | |
6b5e971a | 1938 | u8 addr[ETH_ALEN]; |
8b84cc4f SE |
1939 | |
1940 | /** @issued_at: timestamp used for purging stale tt requests */ | |
a73105b8 | 1941 | unsigned long issued_at; |
8b84cc4f SE |
1942 | |
1943 | /** @refcount: number of contexts the object is used by */ | |
9c4604a2 | 1944 | struct kref refcount; |
8b84cc4f | 1945 | |
a07369d7 | 1946 | /** @list: list node for &batadv_priv_tt.req_list */ |
7c26a53b | 1947 | struct hlist_node list; |
a73105b8 AQ |
1948 | }; |
1949 | ||
88a32c9a ML |
1950 | /** |
1951 | * struct batadv_tt_roam_node - roaming client data | |
88a32c9a | 1952 | */ |
56303d34 | 1953 | struct batadv_tt_roam_node { |
8b84cc4f | 1954 | /** @addr: mac address of the client in the roaming phase */ |
6b5e971a | 1955 | u8 addr[ETH_ALEN]; |
8b84cc4f SE |
1956 | |
1957 | /** | |
1958 | * @counter: number of allowed roaming events per client within a single | |
1959 | * OGM interval (changes are committed with each OGM) | |
1960 | */ | |
cc47f66e | 1961 | atomic_t counter; |
8b84cc4f SE |
1962 | |
1963 | /** | |
1964 | * @first_time: timestamp used for purging stale roaming node entries | |
1965 | */ | |
cc47f66e | 1966 | unsigned long first_time; |
8b84cc4f | 1967 | |
a07369d7 | 1968 | /** @list: list node for &batadv_priv_tt.roam_list */ |
cc47f66e AQ |
1969 | struct list_head list; |
1970 | }; | |
1971 | ||
d56b1705 MH |
1972 | /** |
1973 | * struct batadv_nc_node - network coding node | |
d56b1705 MH |
1974 | */ |
1975 | struct batadv_nc_node { | |
8b84cc4f | 1976 | /** @list: next and prev pointer for the list handling */ |
d56b1705 | 1977 | struct list_head list; |
8b84cc4f SE |
1978 | |
1979 | /** @addr: the node's mac address */ | |
6b5e971a | 1980 | u8 addr[ETH_ALEN]; |
8b84cc4f SE |
1981 | |
1982 | /** @refcount: number of contexts the object is used by */ | |
daf99b48 | 1983 | struct kref refcount; |
8b84cc4f SE |
1984 | |
1985 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
d56b1705 | 1986 | struct rcu_head rcu; |
8b84cc4f SE |
1987 | |
1988 | /** @orig_node: pointer to corresponding orig node struct */ | |
d56b1705 | 1989 | struct batadv_orig_node *orig_node; |
8b84cc4f SE |
1990 | |
1991 | /** @last_seen: timestamp of last ogm received from this node */ | |
d56b1705 MH |
1992 | unsigned long last_seen; |
1993 | }; | |
1994 | ||
95332477 MH |
1995 | /** |
1996 | * struct batadv_nc_path - network coding path | |
95332477 MH |
1997 | */ |
1998 | struct batadv_nc_path { | |
8b84cc4f | 1999 | /** @hash_entry: next and prev pointer for the list handling */ |
95332477 | 2000 | struct hlist_node hash_entry; |
8b84cc4f SE |
2001 | |
2002 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
95332477 | 2003 | struct rcu_head rcu; |
8b84cc4f SE |
2004 | |
2005 | /** @refcount: number of contexts the object is used by */ | |
727e0cd5 | 2006 | struct kref refcount; |
8b84cc4f SE |
2007 | |
2008 | /** @packet_list: list of buffered packets for this path */ | |
95332477 | 2009 | struct list_head packet_list; |
8b84cc4f SE |
2010 | |
2011 | /** @packet_list_lock: access lock for packet list */ | |
2012 | spinlock_t packet_list_lock; | |
2013 | ||
2014 | /** @next_hop: next hop (destination) of path */ | |
6b5e971a | 2015 | u8 next_hop[ETH_ALEN]; |
8b84cc4f SE |
2016 | |
2017 | /** @prev_hop: previous hop (source) of path */ | |
6b5e971a | 2018 | u8 prev_hop[ETH_ALEN]; |
8b84cc4f SE |
2019 | |
2020 | /** @last_valid: timestamp for last validation of path */ | |
95332477 MH |
2021 | unsigned long last_valid; |
2022 | }; | |
2023 | ||
2024 | /** | |
2025 | * struct batadv_nc_packet - network coding packet used when coding and | |
2026 | * decoding packets | |
95332477 MH |
2027 | */ |
2028 | struct batadv_nc_packet { | |
8b84cc4f | 2029 | /** @list: next and prev pointer for the list handling */ |
95332477 | 2030 | struct list_head list; |
8b84cc4f SE |
2031 | |
2032 | /** @packet_id: crc32 checksum of skb data */ | |
95332477 | 2033 | __be32 packet_id; |
8b84cc4f SE |
2034 | |
2035 | /** | |
2036 | * @timestamp: field containing the info when the packet was added to | |
2037 | * path | |
2038 | */ | |
95332477 | 2039 | unsigned long timestamp; |
8b84cc4f SE |
2040 | |
2041 | /** @neigh_node: pointer to original next hop neighbor of skb */ | |
95332477 | 2042 | struct batadv_neigh_node *neigh_node; |
8b84cc4f SE |
2043 | |
2044 | /** @skb: skb which can be encoded or used for decoding */ | |
95332477 | 2045 | struct sk_buff *skb; |
8b84cc4f SE |
2046 | |
2047 | /** @nc_path: pointer to path this nc packet is attached to */ | |
95332477 MH |
2048 | struct batadv_nc_path *nc_path; |
2049 | }; | |
2050 | ||
3c12de9a | 2051 | /** |
1a321b0d SW |
2052 | * struct batadv_skb_cb - control buffer structure used to store private data |
2053 | * relevant to batman-adv in the skb->cb buffer in skbs. | |
3c12de9a MH |
2054 | */ |
2055 | struct batadv_skb_cb { | |
8b84cc4f SE |
2056 | /** |
2057 | * @decoded: Marks a skb as decoded, which is checked when searching for | |
2058 | * coding opportunities in network-coding.c | |
2059 | */ | |
6486379d | 2060 | unsigned char decoded:1; |
8b84cc4f SE |
2061 | |
2062 | /** @num_bcasts: Counter for broadcast packet retransmissions */ | |
6486379d | 2063 | unsigned char num_bcasts; |
3c12de9a MH |
2064 | }; |
2065 | ||
88a32c9a ML |
2066 | /** |
2067 | * struct batadv_forw_packet - structure for bcast packets to be sent/forwarded | |
c6c8fea2 | 2068 | */ |
56303d34 | 2069 | struct batadv_forw_packet { |
a07369d7 SE |
2070 | /** |
2071 | * @list: list node for &batadv_priv.forw.bcast_list and | |
2072 | * &batadv_priv.forw.bat_list | |
2073 | */ | |
c6c8fea2 | 2074 | struct hlist_node list; |
8b84cc4f SE |
2075 | |
2076 | /** @cleanup_list: list node for purging functions */ | |
9b4aec64 | 2077 | struct hlist_node cleanup_list; |
8b84cc4f SE |
2078 | |
2079 | /** @send_time: execution time for delayed_work (packet sending) */ | |
c6c8fea2 | 2080 | unsigned long send_time; |
8b84cc4f SE |
2081 | |
2082 | /** | |
2083 | * @own: bool for locally generated packets (local OGMs are re-scheduled | |
2084 | * after sending) | |
2085 | */ | |
6b5e971a | 2086 | u8 own; |
8b84cc4f SE |
2087 | |
2088 | /** @skb: bcast packet's skb buffer */ | |
c6c8fea2 | 2089 | struct sk_buff *skb; |
8b84cc4f SE |
2090 | |
2091 | /** @packet_len: size of aggregated OGM packet inside the skb buffer */ | |
6b5e971a | 2092 | u16 packet_len; |
8b84cc4f SE |
2093 | |
2094 | /** @direct_link_flags: direct link flags for aggregated OGM packets */ | |
6b5e971a | 2095 | u32 direct_link_flags; |
8b84cc4f SE |
2096 | |
2097 | /** @num_packets: counter for aggregated OGMv1 packets */ | |
6b5e971a | 2098 | u8 num_packets; |
8b84cc4f SE |
2099 | |
2100 | /** @delayed_work: work queue callback item for packet sending */ | |
c6c8fea2 | 2101 | struct delayed_work delayed_work; |
8b84cc4f SE |
2102 | |
2103 | /** | |
2104 | * @if_incoming: pointer to incoming hard-iface or primary iface if | |
2105 | * locally generated packet | |
2106 | */ | |
56303d34 | 2107 | struct batadv_hard_iface *if_incoming; |
8b84cc4f SE |
2108 | |
2109 | /** | |
2110 | * @if_outgoing: packet where the packet should be sent to, or NULL if | |
2111 | * unspecified | |
2112 | */ | |
ef0a937f | 2113 | struct batadv_hard_iface *if_outgoing; |
8b84cc4f SE |
2114 | |
2115 | /** @queue_left: The queue (counter) this packet was applied to */ | |
a65e5481 | 2116 | atomic_t *queue_left; |
c6c8fea2 SE |
2117 | }; |
2118 | ||
29824a55 AQ |
2119 | /** |
2120 | * struct batadv_algo_iface_ops - mesh algorithm callbacks (interface specific) | |
29824a55 AQ |
2121 | */ |
2122 | struct batadv_algo_iface_ops { | |
8b84cc4f SE |
2123 | /** |
2124 | * @activate: start routing mechanisms when hard-interface is brought up | |
2125 | * (optional) | |
2126 | */ | |
29824a55 | 2127 | void (*activate)(struct batadv_hard_iface *hard_iface); |
8b84cc4f SE |
2128 | |
2129 | /** @enable: init routing info when hard-interface is enabled */ | |
29824a55 | 2130 | int (*enable)(struct batadv_hard_iface *hard_iface); |
8b84cc4f SE |
2131 | |
2132 | /** @disable: de-init routing info when hard-interface is disabled */ | |
29824a55 | 2133 | void (*disable)(struct batadv_hard_iface *hard_iface); |
8b84cc4f SE |
2134 | |
2135 | /** | |
2136 | * @update_mac: (re-)init mac addresses of the protocol information | |
2137 | * belonging to this hard-interface | |
2138 | */ | |
29824a55 | 2139 | void (*update_mac)(struct batadv_hard_iface *hard_iface); |
8b84cc4f SE |
2140 | |
2141 | /** @primary_set: called when primary interface is selected / changed */ | |
29824a55 AQ |
2142 | void (*primary_set)(struct batadv_hard_iface *hard_iface); |
2143 | }; | |
2144 | ||
2145 | /** | |
2146 | * struct batadv_algo_neigh_ops - mesh algorithm callbacks (neighbour specific) | |
29824a55 AQ |
2147 | */ |
2148 | struct batadv_algo_neigh_ops { | |
8b84cc4f | 2149 | /** @hardif_init: called on creation of single hop entry (optional) */ |
29824a55 | 2150 | void (*hardif_init)(struct batadv_hardif_neigh_node *neigh); |
8b84cc4f SE |
2151 | |
2152 | /** | |
2153 | * @cmp: compare the metrics of two neighbors for their respective | |
2154 | * outgoing interfaces | |
2155 | */ | |
29824a55 AQ |
2156 | int (*cmp)(struct batadv_neigh_node *neigh1, |
2157 | struct batadv_hard_iface *if_outgoing1, | |
2158 | struct batadv_neigh_node *neigh2, | |
2159 | struct batadv_hard_iface *if_outgoing2); | |
8b84cc4f SE |
2160 | |
2161 | /** | |
2162 | * @is_similar_or_better: check if neigh1 is equally similar or better | |
2163 | * than neigh2 for their respective outgoing interface from the metric | |
2164 | * prospective | |
2165 | */ | |
29824a55 AQ |
2166 | bool (*is_similar_or_better)(struct batadv_neigh_node *neigh1, |
2167 | struct batadv_hard_iface *if_outgoing1, | |
2168 | struct batadv_neigh_node *neigh2, | |
2169 | struct batadv_hard_iface *if_outgoing2); | |
8b84cc4f | 2170 | |
dc1cbd14 | 2171 | #ifdef CONFIG_BATMAN_ADV_DEBUGFS |
8b84cc4f | 2172 | /** @print: print the single hop neighbor list (optional) */ |
29824a55 | 2173 | void (*print)(struct batadv_priv *priv, struct seq_file *seq); |
dc1cbd14 | 2174 | #endif |
8b84cc4f SE |
2175 | |
2176 | /** @dump: dump neighbors to a netlink socket (optional) */ | |
85cf8c85 MS |
2177 | void (*dump)(struct sk_buff *msg, struct netlink_callback *cb, |
2178 | struct batadv_priv *priv, | |
2179 | struct batadv_hard_iface *hard_iface); | |
29824a55 AQ |
2180 | }; |
2181 | ||
2182 | /** | |
2183 | * struct batadv_algo_orig_ops - mesh algorithm callbacks (originator specific) | |
29824a55 AQ |
2184 | */ |
2185 | struct batadv_algo_orig_ops { | |
dc1cbd14 | 2186 | #ifdef CONFIG_BATMAN_ADV_DEBUGFS |
8b84cc4f | 2187 | /** @print: print the originator table (optional) */ |
29824a55 AQ |
2188 | void (*print)(struct batadv_priv *priv, struct seq_file *seq, |
2189 | struct batadv_hard_iface *hard_iface); | |
dc1cbd14 | 2190 | #endif |
8b84cc4f SE |
2191 | |
2192 | /** @dump: dump originators to a netlink socket (optional) */ | |
85cf8c85 MS |
2193 | void (*dump)(struct sk_buff *msg, struct netlink_callback *cb, |
2194 | struct batadv_priv *priv, | |
2195 | struct batadv_hard_iface *hard_iface); | |
29824a55 AQ |
2196 | }; |
2197 | ||
08686943 AQ |
2198 | /** |
2199 | * struct batadv_algo_gw_ops - mesh algorithm callbacks (GW specific) | |
08686943 AQ |
2200 | */ |
2201 | struct batadv_algo_gw_ops { | |
8b84cc4f | 2202 | /** @init_sel_class: initialize GW selection class (optional) */ |
1a9070ec | 2203 | void (*init_sel_class)(struct batadv_priv *bat_priv); |
8b84cc4f SE |
2204 | |
2205 | /** | |
2206 | * @store_sel_class: parse and stores a new GW selection class | |
2207 | * (optional) | |
2208 | */ | |
08686943 AQ |
2209 | ssize_t (*store_sel_class)(struct batadv_priv *bat_priv, char *buff, |
2210 | size_t count); | |
8b84cc4f SE |
2211 | |
2212 | /** @show_sel_class: prints the current GW selection class (optional) */ | |
08686943 | 2213 | ssize_t (*show_sel_class)(struct batadv_priv *bat_priv, char *buff); |
8b84cc4f SE |
2214 | |
2215 | /** | |
2216 | * @get_best_gw_node: select the best GW from the list of available | |
2217 | * nodes (optional) | |
2218 | */ | |
34d99cfe AQ |
2219 | struct batadv_gw_node *(*get_best_gw_node) |
2220 | (struct batadv_priv *bat_priv); | |
8b84cc4f SE |
2221 | |
2222 | /** | |
2223 | * @is_eligible: check if a newly discovered GW is a potential candidate | |
2224 | * for the election as best GW (optional) | |
2225 | */ | |
34d99cfe AQ |
2226 | bool (*is_eligible)(struct batadv_priv *bat_priv, |
2227 | struct batadv_orig_node *curr_gw_orig, | |
2228 | struct batadv_orig_node *orig_node); | |
8b84cc4f | 2229 | |
dc1cbd14 | 2230 | #ifdef CONFIG_BATMAN_ADV_DEBUGFS |
8b84cc4f | 2231 | /** @print: print the gateway table (optional) */ |
34d99cfe | 2232 | void (*print)(struct batadv_priv *bat_priv, struct seq_file *seq); |
dc1cbd14 | 2233 | #endif |
8b84cc4f SE |
2234 | |
2235 | /** @dump: dump gateways to a netlink socket (optional) */ | |
d7129daf SE |
2236 | void (*dump)(struct sk_buff *msg, struct netlink_callback *cb, |
2237 | struct batadv_priv *priv); | |
08686943 AQ |
2238 | }; |
2239 | ||
88a32c9a ML |
2240 | /** |
2241 | * struct batadv_algo_ops - mesh algorithm callbacks | |
88a32c9a | 2242 | */ |
56303d34 | 2243 | struct batadv_algo_ops { |
8b84cc4f | 2244 | /** @list: list node for the batadv_algo_list */ |
1c280471 | 2245 | struct hlist_node list; |
8b84cc4f SE |
2246 | |
2247 | /** @name: name of the algorithm */ | |
1c280471 | 2248 | char *name; |
8b84cc4f SE |
2249 | |
2250 | /** @iface: callbacks related to interface handling */ | |
29824a55 | 2251 | struct batadv_algo_iface_ops iface; |
8b84cc4f SE |
2252 | |
2253 | /** @neigh: callbacks related to neighbors handling */ | |
29824a55 | 2254 | struct batadv_algo_neigh_ops neigh; |
8b84cc4f SE |
2255 | |
2256 | /** @orig: callbacks related to originators handling */ | |
29824a55 | 2257 | struct batadv_algo_orig_ops orig; |
8b84cc4f SE |
2258 | |
2259 | /** @gw: callbacks related to GW mode */ | |
08686943 | 2260 | struct batadv_algo_gw_ops gw; |
1c280471 ML |
2261 | }; |
2262 | ||
2f1dfbe1 AQ |
2263 | /** |
2264 | * struct batadv_dat_entry - it is a single entry of batman-adv ARP backend. It | |
2265 | * is used to stored ARP entries needed for the global DAT cache | |
2f1dfbe1 AQ |
2266 | */ |
2267 | struct batadv_dat_entry { | |
8b84cc4f | 2268 | /** @ip: the IPv4 corresponding to this DAT/ARP entry */ |
2f1dfbe1 | 2269 | __be32 ip; |
8b84cc4f SE |
2270 | |
2271 | /** @mac_addr: the MAC address associated to the stored IPv4 */ | |
6b5e971a | 2272 | u8 mac_addr[ETH_ALEN]; |
8b84cc4f SE |
2273 | |
2274 | /** @vid: the vlan ID associated to this entry */ | |
be1db4f6 | 2275 | unsigned short vid; |
8b84cc4f SE |
2276 | |
2277 | /** | |
2278 | * @last_update: time in jiffies when this entry was refreshed last time | |
2279 | */ | |
2f1dfbe1 | 2280 | unsigned long last_update; |
8b84cc4f | 2281 | |
a07369d7 | 2282 | /** @hash_entry: hlist node for &batadv_priv_dat.hash */ |
2f1dfbe1 | 2283 | struct hlist_node hash_entry; |
8b84cc4f SE |
2284 | |
2285 | /** @refcount: number of contexts the object is used */ | |
68a6722c | 2286 | struct kref refcount; |
8b84cc4f SE |
2287 | |
2288 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
2f1dfbe1 AQ |
2289 | struct rcu_head rcu; |
2290 | }; | |
2291 | ||
c5caf4ef LL |
2292 | /** |
2293 | * struct batadv_hw_addr - a list entry for a MAC address | |
c5caf4ef LL |
2294 | */ |
2295 | struct batadv_hw_addr { | |
8b84cc4f | 2296 | /** @list: list node for the linking of entries */ |
c5caf4ef | 2297 | struct hlist_node list; |
8b84cc4f SE |
2298 | |
2299 | /** @addr: the MAC address of this list entry */ | |
c5caf4ef LL |
2300 | unsigned char addr[ETH_ALEN]; |
2301 | }; | |
2302 | ||
785ea114 AQ |
2303 | /** |
2304 | * struct batadv_dat_candidate - candidate destination for DAT operations | |
785ea114 AQ |
2305 | */ |
2306 | struct batadv_dat_candidate { | |
8b84cc4f SE |
2307 | /** |
2308 | * @type: the type of the selected candidate. It can one of the | |
2309 | * following: | |
2310 | * - BATADV_DAT_CANDIDATE_NOT_FOUND | |
2311 | * - BATADV_DAT_CANDIDATE_ORIG | |
2312 | */ | |
785ea114 | 2313 | int type; |
8b84cc4f SE |
2314 | |
2315 | /** | |
2316 | * @orig_node: if type is BATADV_DAT_CANDIDATE_ORIG this field points to | |
2317 | * the corresponding originator node structure | |
2318 | */ | |
785ea114 AQ |
2319 | struct batadv_orig_node *orig_node; |
2320 | }; | |
2321 | ||
ef261577 ML |
2322 | /** |
2323 | * struct batadv_tvlv_container - container for tvlv appended to OGMs | |
ef261577 ML |
2324 | */ |
2325 | struct batadv_tvlv_container { | |
a07369d7 | 2326 | /** @list: hlist node for &batadv_priv_tvlv.container_list */ |
ef261577 | 2327 | struct hlist_node list; |
8b84cc4f SE |
2328 | |
2329 | /** @tvlv_hdr: tvlv header information needed to construct the tvlv */ | |
ef261577 | 2330 | struct batadv_tvlv_hdr tvlv_hdr; |
8b84cc4f SE |
2331 | |
2332 | /** @refcount: number of contexts the object is used */ | |
f7157dd1 | 2333 | struct kref refcount; |
ef261577 ML |
2334 | }; |
2335 | ||
2336 | /** | |
2337 | * struct batadv_tvlv_handler - handler for specific tvlv type and version | |
ef261577 ML |
2338 | */ |
2339 | struct batadv_tvlv_handler { | |
a07369d7 | 2340 | /** @list: hlist node for &batadv_priv_tvlv.handler_list */ |
ef261577 | 2341 | struct hlist_node list; |
8b84cc4f SE |
2342 | |
2343 | /** | |
2344 | * @ogm_handler: handler callback which is given the tvlv payload to | |
2345 | * process on incoming OGM packets | |
2346 | */ | |
ef261577 ML |
2347 | void (*ogm_handler)(struct batadv_priv *bat_priv, |
2348 | struct batadv_orig_node *orig, | |
6b5e971a | 2349 | u8 flags, void *tvlv_value, u16 tvlv_value_len); |
8b84cc4f SE |
2350 | |
2351 | /** | |
2352 | * @unicast_handler: handler callback which is given the tvlv payload to | |
2353 | * process on incoming unicast tvlv packets | |
2354 | */ | |
ef261577 | 2355 | int (*unicast_handler)(struct batadv_priv *bat_priv, |
6b5e971a SE |
2356 | u8 *src, u8 *dst, |
2357 | void *tvlv_value, u16 tvlv_value_len); | |
8b84cc4f SE |
2358 | |
2359 | /** @type: tvlv type this handler feels responsible for */ | |
6b5e971a | 2360 | u8 type; |
8b84cc4f SE |
2361 | |
2362 | /** @version: tvlv version this handler feels responsible for */ | |
6b5e971a | 2363 | u8 version; |
8b84cc4f SE |
2364 | |
2365 | /** @flags: tvlv handler flags */ | |
6b5e971a | 2366 | u8 flags; |
8b84cc4f SE |
2367 | |
2368 | /** @refcount: number of contexts the object is used */ | |
32836f56 | 2369 | struct kref refcount; |
8b84cc4f SE |
2370 | |
2371 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
ef261577 ML |
2372 | struct rcu_head rcu; |
2373 | }; | |
2374 | ||
2375 | /** | |
2376 | * enum batadv_tvlv_handler_flags - tvlv handler flags definitions | |
ef261577 ML |
2377 | */ |
2378 | enum batadv_tvlv_handler_flags { | |
8b84cc4f SE |
2379 | /** |
2380 | * @BATADV_TVLV_HANDLER_OGM_CIFNOTFND: tvlv ogm processing function | |
2381 | * will call this handler even if its type was not found (with no data) | |
2382 | */ | |
ef261577 | 2383 | BATADV_TVLV_HANDLER_OGM_CIFNOTFND = BIT(1), |
8b84cc4f SE |
2384 | |
2385 | /** | |
2386 | * @BATADV_TVLV_HANDLER_OGM_CALLED: interval tvlv handling flag - the | |
2387 | * API marks a handler as being called, so it won't be called if the | |
2388 | * BATADV_TVLV_HANDLER_OGM_CIFNOTFND flag was set | |
2389 | */ | |
ef261577 ML |
2390 | BATADV_TVLV_HANDLER_OGM_CALLED = BIT(2), |
2391 | }; | |
2392 | ||
77d69d8c SE |
2393 | /** |
2394 | * struct batadv_store_mesh_work - Work queue item to detach add/del interface | |
2395 | * from sysfs locks | |
77d69d8c SE |
2396 | */ |
2397 | struct batadv_store_mesh_work { | |
8b84cc4f SE |
2398 | /** |
2399 | * @net_dev: netdevice to add/remove to/from batman-adv soft-interface | |
2400 | */ | |
77d69d8c | 2401 | struct net_device *net_dev; |
8b84cc4f SE |
2402 | |
2403 | /** @soft_iface_name: name of soft-interface to modify */ | |
77d69d8c | 2404 | char soft_iface_name[IFNAMSIZ]; |
8b84cc4f SE |
2405 | |
2406 | /** @work: work queue item */ | |
77d69d8c SE |
2407 | struct work_struct work; |
2408 | }; | |
2409 | ||
c6c8fea2 | 2410 | #endif /* _NET_BATMAN_ADV_TYPES_H_ */ |