Commit | Line | Data |
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7db7d9f3 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
68e039f9 | 2 | /* Copyright (C) 2007-2020 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> | |
68a600de | 17 | #include <linux/if.h> |
1e2c2a4f | 18 | #include <linux/if_ether.h> |
90f564df | 19 | #include <linux/kref.h> |
a8d23cbb | 20 | #include <linux/mutex.h> |
1e2c2a4f | 21 | #include <linux/netdevice.h> |
85cf8c85 | 22 | #include <linux/netlink.h> |
1e2c2a4f | 23 | #include <linux/sched.h> /* for linux/wait.h */ |
68a600de SE |
24 | #include <linux/seq_file.h> |
25 | #include <linux/skbuff.h> | |
1e2c2a4f | 26 | #include <linux/spinlock.h> |
68a600de | 27 | #include <linux/timer.h> |
1e2c2a4f SE |
28 | #include <linux/types.h> |
29 | #include <linux/wait.h> | |
30 | #include <linux/workqueue.h> | |
fec149f5 | 31 | #include <uapi/linux/batadv_packet.h> |
33a3bb4a | 32 | #include <uapi/linux/batman_adv.h> |
1e2c2a4f | 33 | |
17224474 AQ |
34 | #ifdef CONFIG_BATMAN_ADV_DAT |
35 | ||
151dcb3c | 36 | /** |
993a4a5f SE |
37 | * typedef batadv_dat_addr_t - type used for all DHT addresses |
38 | * | |
39 | * If it is changed, BATADV_DAT_ADDR_MAX is changed as well. | |
785ea114 AQ |
40 | * |
41 | * *Please be careful: batadv_dat_addr_t must be UNSIGNED* | |
42 | */ | |
993a4a5f | 43 | typedef u16 batadv_dat_addr_t; |
785ea114 | 44 | |
17224474 AQ |
45 | #endif /* CONFIG_BATMAN_ADV_DAT */ |
46 | ||
6c413b1c AQ |
47 | /** |
48 | * enum batadv_dhcp_recipient - dhcp destination | |
6c413b1c AQ |
49 | */ |
50 | enum batadv_dhcp_recipient { | |
8b84cc4f | 51 | /** @BATADV_DHCP_NO: packet is not a dhcp message */ |
6c413b1c | 52 | BATADV_DHCP_NO = 0, |
8b84cc4f SE |
53 | |
54 | /** @BATADV_DHCP_TO_SERVER: dhcp message is directed to a server */ | |
6c413b1c | 55 | BATADV_DHCP_TO_SERVER, |
8b84cc4f SE |
56 | |
57 | /** @BATADV_DHCP_TO_CLIENT: dhcp message is directed to a client */ | |
6c413b1c AQ |
58 | BATADV_DHCP_TO_CLIENT, |
59 | }; | |
60 | ||
3c4f7ab6 AQ |
61 | /** |
62 | * BATADV_TT_REMOTE_MASK - bitmask selecting the flags that are sent over the | |
63 | * wire only | |
64 | */ | |
65 | #define BATADV_TT_REMOTE_MASK 0x00FF | |
66 | ||
0eb01568 AQ |
67 | /** |
68 | * BATADV_TT_SYNC_MASK - bitmask of the flags that need to be kept in sync | |
69 | * among the nodes. These flags are used to compute the global/local CRC | |
70 | */ | |
71 | #define BATADV_TT_SYNC_MASK 0x00F0 | |
72 | ||
14511519 | 73 | /** |
d1f68250 | 74 | * struct batadv_hard_iface_bat_iv - per hard-interface B.A.T.M.A.N. IV data |
14511519 ML |
75 | */ |
76 | struct batadv_hard_iface_bat_iv { | |
8b84cc4f | 77 | /** @ogm_buff: buffer holding the OGM packet */ |
14511519 | 78 | unsigned char *ogm_buff; |
8b84cc4f SE |
79 | |
80 | /** @ogm_buff_len: length of the OGM packet buffer */ | |
14511519 | 81 | int ogm_buff_len; |
8b84cc4f SE |
82 | |
83 | /** @ogm_seqno: OGM sequence number - used to identify each OGM */ | |
14511519 | 84 | atomic_t ogm_seqno; |
40e220b4 SE |
85 | |
86 | /** @ogm_buff_mutex: lock protecting ogm_buff and ogm_buff_len */ | |
87 | struct mutex ogm_buff_mutex; | |
14511519 ML |
88 | }; |
89 | ||
c833484e AQ |
90 | /** |
91 | * enum batadv_v_hard_iface_flags - interface flags useful to B.A.T.M.A.N. V | |
c833484e AQ |
92 | */ |
93 | enum batadv_v_hard_iface_flags { | |
8b84cc4f SE |
94 | /** |
95 | * @BATADV_FULL_DUPLEX: tells if the connection over this link is | |
96 | * full-duplex | |
97 | */ | |
c833484e | 98 | BATADV_FULL_DUPLEX = BIT(0), |
8b84cc4f SE |
99 | |
100 | /** | |
101 | * @BATADV_WARNING_DEFAULT: tells whether we have warned the user that | |
102 | * no throughput data is available for this interface and that default | |
103 | * values are assumed. | |
104 | */ | |
c833484e AQ |
105 | BATADV_WARNING_DEFAULT = BIT(1), |
106 | }; | |
107 | ||
d6f94d91 LL |
108 | /** |
109 | * struct batadv_hard_iface_bat_v - per hard-interface B.A.T.M.A.N. V data | |
d6f94d91 LL |
110 | */ |
111 | struct batadv_hard_iface_bat_v { | |
8b84cc4f | 112 | /** @elp_interval: time interval between two ELP transmissions */ |
d6f94d91 | 113 | atomic_t elp_interval; |
8b84cc4f SE |
114 | |
115 | /** @elp_seqno: current ELP sequence number */ | |
d6f94d91 | 116 | atomic_t elp_seqno; |
8b84cc4f SE |
117 | |
118 | /** @elp_skb: base skb containing the ELP message to send */ | |
d6f94d91 | 119 | struct sk_buff *elp_skb; |
8b84cc4f SE |
120 | |
121 | /** @elp_wq: workqueue used to schedule ELP transmissions */ | |
d6f94d91 | 122 | struct delayed_work elp_wq; |
8b84cc4f | 123 | |
f89255a0 LL |
124 | /** @aggr_wq: workqueue used to transmit queued OGM packets */ |
125 | struct delayed_work aggr_wq; | |
126 | ||
127 | /** @aggr_list: queue for to be aggregated OGM packets */ | |
128 | struct sk_buff_head aggr_list; | |
129 | ||
130 | /** @aggr_len: size of the OGM aggregate (excluding ethernet header) */ | |
131 | unsigned int aggr_len; | |
132 | ||
8b84cc4f SE |
133 | /** |
134 | * @throughput_override: throughput override to disable link | |
135 | * auto-detection | |
136 | */ | |
0b5ecc68 | 137 | atomic_t throughput_override; |
8b84cc4f SE |
138 | |
139 | /** @flags: interface specific flags */ | |
c833484e | 140 | u8 flags; |
d6f94d91 LL |
141 | }; |
142 | ||
10b1bbb4 SE |
143 | /** |
144 | * enum batadv_hard_iface_wifi_flags - Flags describing the wifi configuration | |
145 | * of a batadv_hard_iface | |
10b1bbb4 SE |
146 | */ |
147 | enum batadv_hard_iface_wifi_flags { | |
8b84cc4f | 148 | /** @BATADV_HARDIF_WIFI_WEXT_DIRECT: it is a wext wifi device */ |
10b1bbb4 | 149 | BATADV_HARDIF_WIFI_WEXT_DIRECT = BIT(0), |
8b84cc4f SE |
150 | |
151 | /** @BATADV_HARDIF_WIFI_CFG80211_DIRECT: it is a cfg80211 wifi device */ | |
10b1bbb4 | 152 | BATADV_HARDIF_WIFI_CFG80211_DIRECT = BIT(1), |
8b84cc4f SE |
153 | |
154 | /** | |
155 | * @BATADV_HARDIF_WIFI_WEXT_INDIRECT: link device is a wext wifi device | |
156 | */ | |
5ed4a460 | 157 | BATADV_HARDIF_WIFI_WEXT_INDIRECT = BIT(2), |
8b84cc4f SE |
158 | |
159 | /** | |
160 | * @BATADV_HARDIF_WIFI_CFG80211_INDIRECT: link device is a cfg80211 wifi | |
161 | * device | |
162 | */ | |
5ed4a460 | 163 | BATADV_HARDIF_WIFI_CFG80211_INDIRECT = BIT(3), |
10b1bbb4 SE |
164 | }; |
165 | ||
88a32c9a ML |
166 | /** |
167 | * struct batadv_hard_iface - network device known to batman-adv | |
88a32c9a | 168 | */ |
56303d34 | 169 | struct batadv_hard_iface { |
8b84cc4f | 170 | /** @list: list node for batadv_hardif_list */ |
c6c8fea2 | 171 | struct list_head list; |
8b84cc4f | 172 | |
8b84cc4f | 173 | /** @if_status: status of the interface for batman-adv */ |
c6c8fea2 | 174 | char if_status; |
8b84cc4f SE |
175 | |
176 | /** | |
177 | * @num_bcasts: number of payload re-broadcasts on this interface (ARQ) | |
178 | */ | |
6b5e971a | 179 | u8 num_bcasts; |
8b84cc4f SE |
180 | |
181 | /** | |
182 | * @wifi_flags: flags whether this is (directly or indirectly) a wifi | |
183 | * interface | |
184 | */ | |
10b1bbb4 | 185 | u32 wifi_flags; |
8b84cc4f SE |
186 | |
187 | /** @net_dev: pointer to the net_device */ | |
75721643 | 188 | struct net_device *net_dev; |
8b84cc4f SE |
189 | |
190 | /** @hardif_obj: kobject of the per interface sysfs "mesh" directory */ | |
c6c8fea2 | 191 | struct kobject *hardif_obj; |
8b84cc4f SE |
192 | |
193 | /** @refcount: number of contexts the object is used */ | |
7a659d56 | 194 | struct kref refcount; |
8b84cc4f SE |
195 | |
196 | /** | |
197 | * @batman_adv_ptype: packet type describing packets that should be | |
198 | * processed by batman-adv for this interface | |
199 | */ | |
c6c8fea2 | 200 | struct packet_type batman_adv_ptype; |
8b84cc4f SE |
201 | |
202 | /** | |
203 | * @soft_iface: the batman-adv interface which uses this network | |
204 | * interface | |
205 | */ | |
c6c8fea2 | 206 | struct net_device *soft_iface; |
8b84cc4f SE |
207 | |
208 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
c6c8fea2 | 209 | struct rcu_head rcu; |
8b84cc4f | 210 | |
3bda14d0 LL |
211 | /** |
212 | * @hop_penalty: penalty which will be applied to the tq-field | |
213 | * of an OGM received via this interface | |
214 | */ | |
215 | atomic_t hop_penalty; | |
216 | ||
8b84cc4f | 217 | /** @bat_iv: per hard-interface B.A.T.M.A.N. IV data */ |
14511519 | 218 | struct batadv_hard_iface_bat_iv bat_iv; |
8b84cc4f | 219 | |
d6f94d91 | 220 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
8b84cc4f | 221 | /** @bat_v: per hard-interface B.A.T.M.A.N. V data */ |
d6f94d91 LL |
222 | struct batadv_hard_iface_bat_v bat_v; |
223 | #endif | |
8b84cc4f | 224 | |
dc06338d | 225 | #ifdef CONFIG_BATMAN_ADV_DEBUGFS |
8b84cc4f SE |
226 | /** |
227 | * @debug_dir: dentry for nc subdir in batman-adv directory in debugfs | |
228 | */ | |
5bc7c1eb | 229 | struct dentry *debug_dir; |
dc06338d | 230 | #endif |
8b84cc4f SE |
231 | |
232 | /** | |
233 | * @neigh_list: list of unique single hop neighbors via this interface | |
234 | */ | |
cef63419 | 235 | struct hlist_head neigh_list; |
8b84cc4f SE |
236 | |
237 | /** @neigh_list_lock: lock protecting neigh_list */ | |
cef63419 | 238 | spinlock_t neigh_list_lock; |
c6c8fea2 SE |
239 | }; |
240 | ||
dee222c7 SE |
241 | /** |
242 | * struct batadv_orig_ifinfo - B.A.T.M.A.N. IV private orig_ifinfo members | |
243 | */ | |
244 | struct batadv_orig_ifinfo_bat_iv { | |
245 | /** | |
246 | * @bcast_own: bitfield which counts the number of our OGMs this | |
247 | * orig_node rebroadcasted "back" to us (relative to last_real_seqno) | |
248 | */ | |
249 | DECLARE_BITMAP(bcast_own, BATADV_TQ_LOCAL_WINDOW_SIZE); | |
250 | ||
251 | /** @bcast_own_sum: sum of bcast_own */ | |
252 | u8 bcast_own_sum; | |
253 | }; | |
254 | ||
7351a482 SW |
255 | /** |
256 | * struct batadv_orig_ifinfo - originator info per outgoing interface | |
7351a482 SW |
257 | */ |
258 | struct batadv_orig_ifinfo { | |
a07369d7 | 259 | /** @list: list node for &batadv_orig_node.ifinfo_list */ |
7351a482 | 260 | struct hlist_node list; |
8b84cc4f SE |
261 | |
262 | /** @if_outgoing: pointer to outgoing hard-interface */ | |
7351a482 | 263 | struct batadv_hard_iface *if_outgoing; |
8b84cc4f SE |
264 | |
265 | /** @router: router that should be used to reach this originator */ | |
266 | struct batadv_neigh_node __rcu *router; | |
267 | ||
268 | /** @last_real_seqno: last and best known sequence number */ | |
6b5e971a | 269 | u32 last_real_seqno; |
8b84cc4f SE |
270 | |
271 | /** @last_ttl: ttl of last received packet */ | |
6b5e971a | 272 | u8 last_ttl; |
8b84cc4f SE |
273 | |
274 | /** @last_seqno_forwarded: seqno of the OGM which was forwarded last */ | |
9323158e | 275 | u32 last_seqno_forwarded; |
8b84cc4f SE |
276 | |
277 | /** @batman_seqno_reset: time when the batman seqno window was reset */ | |
7351a482 | 278 | unsigned long batman_seqno_reset; |
8b84cc4f | 279 | |
dee222c7 SE |
280 | /** @bat_iv: B.A.T.M.A.N. IV private structure */ |
281 | struct batadv_orig_ifinfo_bat_iv bat_iv; | |
282 | ||
8b84cc4f | 283 | /** @refcount: number of contexts the object is used */ |
a6ba0d34 | 284 | struct kref refcount; |
8b84cc4f SE |
285 | |
286 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
7351a482 SW |
287 | struct rcu_head rcu; |
288 | }; | |
289 | ||
610bfc6b MH |
290 | /** |
291 | * struct batadv_frag_table_entry - head in the fragment buffer table | |
610bfc6b MH |
292 | */ |
293 | struct batadv_frag_table_entry { | |
8b84cc4f | 294 | /** @fragment_list: head of list with fragments */ |
176e5b77 | 295 | struct hlist_head fragment_list; |
8b84cc4f SE |
296 | |
297 | /** @lock: lock to protect the list of fragments */ | |
298 | spinlock_t lock; | |
299 | ||
300 | /** @timestamp: time (jiffie) of last received fragment */ | |
610bfc6b | 301 | unsigned long timestamp; |
8b84cc4f SE |
302 | |
303 | /** @seqno: sequence number of the fragments in the list */ | |
6b5e971a | 304 | u16 seqno; |
8b84cc4f SE |
305 | |
306 | /** @size: accumulated size of packets in list */ | |
6b5e971a | 307 | u16 size; |
8b84cc4f SE |
308 | |
309 | /** @total_size: expected size of the assembled packet */ | |
6b5e971a | 310 | u16 total_size; |
610bfc6b MH |
311 | }; |
312 | ||
313 | /** | |
314 | * struct batadv_frag_list_entry - entry in a list of fragments | |
610bfc6b MH |
315 | */ |
316 | struct batadv_frag_list_entry { | |
8b84cc4f | 317 | /** @list: list node information */ |
610bfc6b | 318 | struct hlist_node list; |
8b84cc4f SE |
319 | |
320 | /** @skb: fragment */ | |
610bfc6b | 321 | struct sk_buff *skb; |
8b84cc4f SE |
322 | |
323 | /** @no: fragment number in the set */ | |
6b5e971a | 324 | u8 no; |
610bfc6b MH |
325 | }; |
326 | ||
7ea7b4a1 AQ |
327 | /** |
328 | * struct batadv_vlan_tt - VLAN specific TT attributes | |
7ea7b4a1 AQ |
329 | */ |
330 | struct batadv_vlan_tt { | |
8b84cc4f | 331 | /** @crc: CRC32 checksum of the entries belonging to this vlan */ |
6b5e971a | 332 | u32 crc; |
8b84cc4f SE |
333 | |
334 | /** @num_entries: number of TT entries for this VLAN */ | |
7ea7b4a1 AQ |
335 | atomic_t num_entries; |
336 | }; | |
337 | ||
338 | /** | |
1a321b0d | 339 | * struct batadv_orig_node_vlan - VLAN specific data per orig_node |
7ea7b4a1 AQ |
340 | */ |
341 | struct batadv_orig_node_vlan { | |
8b84cc4f | 342 | /** @vid: the VLAN identifier */ |
7ea7b4a1 | 343 | unsigned short vid; |
8b84cc4f SE |
344 | |
345 | /** @tt: VLAN specific TT attributes */ | |
7ea7b4a1 | 346 | struct batadv_vlan_tt tt; |
8b84cc4f | 347 | |
a07369d7 | 348 | /** @list: list node for &batadv_orig_node.vlan_list */ |
d0fa4f3f | 349 | struct hlist_node list; |
8b84cc4f SE |
350 | |
351 | /** | |
352 | * @refcount: number of context where this object is currently in use | |
353 | */ | |
161a3be9 | 354 | struct kref refcount; |
8b84cc4f SE |
355 | |
356 | /** @rcu: struct used for freeing in a RCU-safe manner */ | |
7ea7b4a1 AQ |
357 | struct rcu_head rcu; |
358 | }; | |
359 | ||
bbad0a5e AQ |
360 | /** |
361 | * struct batadv_orig_bat_iv - B.A.T.M.A.N. IV private orig_node members | |
bbad0a5e AQ |
362 | */ |
363 | struct batadv_orig_bat_iv { | |
8b84cc4f | 364 | /** |
dee222c7 SE |
365 | * @ogm_cnt_lock: lock protecting &batadv_orig_ifinfo_bat_iv.bcast_own, |
366 | * &batadv_orig_ifinfo_bat_iv.bcast_own_sum, | |
367 | * &batadv_neigh_ifinfo_bat_iv.bat_iv.real_bits and | |
368 | * &batadv_neigh_ifinfo_bat_iv.real_packet_count | |
bbad0a5e AQ |
369 | */ |
370 | spinlock_t ogm_cnt_lock; | |
371 | }; | |
372 | ||
2c53040f | 373 | /** |
b6d0ab7c | 374 | * struct batadv_orig_node - structure for orig_list maintaining nodes of mesh |
c6c8fea2 | 375 | */ |
56303d34 | 376 | struct batadv_orig_node { |
8b84cc4f | 377 | /** @orig: originator ethernet address */ |
6b5e971a | 378 | u8 orig[ETH_ALEN]; |
8b84cc4f SE |
379 | |
380 | /** @ifinfo_list: list for routers per outgoing interface */ | |
7351a482 | 381 | struct hlist_head ifinfo_list; |
8b84cc4f SE |
382 | |
383 | /** | |
384 | * @last_bonding_candidate: pointer to last ifinfo of last used router | |
385 | */ | |
f3b3d901 | 386 | struct batadv_orig_ifinfo *last_bonding_candidate; |
8b84cc4f | 387 | |
17224474 | 388 | #ifdef CONFIG_BATMAN_ADV_DAT |
8b84cc4f | 389 | /** @dat_addr: address of the orig node in the distributed hash */ |
785ea114 | 390 | batadv_dat_addr_t dat_addr; |
17224474 | 391 | #endif |
8b84cc4f SE |
392 | |
393 | /** @last_seen: time when last packet from this node was received */ | |
d7b2a97e | 394 | unsigned long last_seen; |
8b84cc4f SE |
395 | |
396 | /** | |
397 | * @bcast_seqno_reset: time when the broadcast seqno window was reset | |
398 | */ | |
c6c8fea2 | 399 | unsigned long bcast_seqno_reset; |
8b84cc4f | 400 | |
60432d75 | 401 | #ifdef CONFIG_BATMAN_ADV_MCAST |
8b84cc4f SE |
402 | /** |
403 | * @mcast_handler_lock: synchronizes mcast-capability and -flag changes | |
404 | */ | |
8a4023c5 | 405 | spinlock_t mcast_handler_lock; |
8b84cc4f SE |
406 | |
407 | /** @mcast_flags: multicast flags announced by the orig node */ | |
6b5e971a | 408 | u8 mcast_flags; |
8b84cc4f SE |
409 | |
410 | /** | |
411 | * @mcast_want_all_unsnoopables_node: a list node for the | |
412 | * mcast.want_all_unsnoopables list | |
413 | */ | |
ab49886e | 414 | struct hlist_node mcast_want_all_unsnoopables_node; |
8b84cc4f SE |
415 | |
416 | /** | |
417 | * @mcast_want_all_ipv4_node: a list node for the mcast.want_all_ipv4 | |
418 | * list | |
419 | */ | |
4c8755d6 | 420 | struct hlist_node mcast_want_all_ipv4_node; |
8b84cc4f SE |
421 | /** |
422 | * @mcast_want_all_ipv6_node: a list node for the mcast.want_all_ipv6 | |
423 | * list | |
424 | */ | |
4c8755d6 | 425 | struct hlist_node mcast_want_all_ipv6_node; |
61caf3d1 LL |
426 | |
427 | /** | |
428 | * @mcast_want_all_rtr4_node: a list node for the mcast.want_all_rtr4 | |
429 | * list | |
430 | */ | |
431 | struct hlist_node mcast_want_all_rtr4_node; | |
432 | /** | |
433 | * @mcast_want_all_rtr6_node: a list node for the mcast.want_all_rtr6 | |
434 | * list | |
435 | */ | |
436 | struct hlist_node mcast_want_all_rtr6_node; | |
60432d75 | 437 | #endif |
8b84cc4f SE |
438 | |
439 | /** @capabilities: announced capabilities of this originator */ | |
65d7d460 | 440 | unsigned long capabilities; |
8b84cc4f SE |
441 | |
442 | /** | |
443 | * @capa_initialized: bitfield to remember whether a capability was | |
444 | * initialized | |
445 | */ | |
ac4eebd4 | 446 | unsigned long capa_initialized; |
8b84cc4f SE |
447 | |
448 | /** @last_ttvn: last seen translation table version number */ | |
88a32c9a | 449 | atomic_t last_ttvn; |
8b84cc4f SE |
450 | |
451 | /** @tt_buff: last tt changeset this node received from the orig node */ | |
2dafb49d | 452 | unsigned char *tt_buff; |
8b84cc4f SE |
453 | |
454 | /** | |
455 | * @tt_buff_len: length of the last tt changeset this node received | |
456 | * from the orig node | |
457 | */ | |
6b5e971a | 458 | s16 tt_buff_len; |
8b84cc4f SE |
459 | |
460 | /** @tt_buff_lock: lock that protects tt_buff and tt_buff_len */ | |
461 | spinlock_t tt_buff_lock; | |
462 | ||
463 | /** | |
bccb48c8 SE |
464 | * @tt_lock: avoids concurrent read from and write to the table. Table |
465 | * update is made up of two operations (data structure update and | |
69fed4ce | 466 | * metadata -CRC/TTVN-recalculation) and they have to be executed |
8b84cc4f SE |
467 | * atomically in order to avoid another thread to read the |
468 | * table/metadata between those. | |
469 | */ | |
a70a9aa9 | 470 | spinlock_t tt_lock; |
8b84cc4f SE |
471 | |
472 | /** | |
473 | * @bcast_bits: bitfield containing the info which payload broadcast | |
474 | * originated from this orig node this host already has seen (relative | |
475 | * to last_bcast_seqno) | |
476 | */ | |
42d0b044 | 477 | DECLARE_BITMAP(bcast_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); |
8b84cc4f SE |
478 | |
479 | /** | |
480 | * @last_bcast_seqno: last broadcast sequence number received by this | |
481 | * host | |
482 | */ | |
6b5e971a | 483 | u32 last_bcast_seqno; |
8b84cc4f SE |
484 | |
485 | /** | |
486 | * @neigh_list: list of potential next hop neighbor towards this orig | |
487 | * node | |
488 | */ | |
9591a79f | 489 | struct hlist_head neigh_list; |
8b84cc4f SE |
490 | |
491 | /** | |
492 | * @neigh_list_lock: lock protecting neigh_list, ifinfo_list, | |
493 | * last_bonding_candidate and router | |
15c2ed75 | 494 | */ |
88a32c9a | 495 | spinlock_t neigh_list_lock; |
8b84cc4f | 496 | |
a07369d7 | 497 | /** @hash_entry: hlist node for &batadv_priv.orig_hash */ |
7aadf889 | 498 | struct hlist_node hash_entry; |
8b84cc4f SE |
499 | |
500 | /** @bat_priv: pointer to soft_iface this orig node belongs to */ | |
56303d34 | 501 | struct batadv_priv *bat_priv; |
8b84cc4f SE |
502 | |
503 | /** @bcast_seqno_lock: lock protecting bcast_bits & last_bcast_seqno */ | |
6e215fd8 | 504 | spinlock_t bcast_seqno_lock; |
8b84cc4f SE |
505 | |
506 | /** @refcount: number of contexts the object is used */ | |
7c124391 | 507 | struct kref refcount; |
8b84cc4f SE |
508 | |
509 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
88a32c9a | 510 | struct rcu_head rcu; |
8b84cc4f | 511 | |
d56b1705 | 512 | #ifdef CONFIG_BATMAN_ADV_NC |
8b84cc4f | 513 | /** @in_coding_list: list of nodes this orig can hear */ |
d56b1705 | 514 | struct list_head in_coding_list; |
8b84cc4f SE |
515 | |
516 | /** @out_coding_list: list of nodes that can hear this orig */ | |
d56b1705 | 517 | struct list_head out_coding_list; |
8b84cc4f SE |
518 | |
519 | /** @in_coding_list_lock: protects in_coding_list */ | |
520 | spinlock_t in_coding_list_lock; | |
521 | ||
522 | /** @out_coding_list_lock: protects out_coding_list */ | |
523 | spinlock_t out_coding_list_lock; | |
d56b1705 | 524 | #endif |
8b84cc4f SE |
525 | |
526 | /** @fragments: array with heads for fragment chains */ | |
610bfc6b | 527 | struct batadv_frag_table_entry fragments[BATADV_FRAG_BUFFER_COUNT]; |
8b84cc4f SE |
528 | |
529 | /** | |
530 | * @vlan_list: a list of orig_node_vlan structs, one per VLAN served by | |
531 | * the originator represented by this object | |
532 | */ | |
d0fa4f3f | 533 | struct hlist_head vlan_list; |
8b84cc4f SE |
534 | |
535 | /** @vlan_list_lock: lock protecting vlan_list */ | |
536 | spinlock_t vlan_list_lock; | |
537 | ||
538 | /** @bat_iv: B.A.T.M.A.N. IV private structure */ | |
bbad0a5e | 539 | struct batadv_orig_bat_iv bat_iv; |
c6c8fea2 SE |
540 | }; |
541 | ||
17cf0ea4 ML |
542 | /** |
543 | * enum batadv_orig_capabilities - orig node capabilities | |
17cf0ea4 ML |
544 | */ |
545 | enum batadv_orig_capabilities { | |
8b84cc4f SE |
546 | /** |
547 | * @BATADV_ORIG_CAPA_HAS_DAT: orig node has distributed arp table | |
548 | * enabled | |
549 | */ | |
65d7d460 | 550 | BATADV_ORIG_CAPA_HAS_DAT, |
8b84cc4f SE |
551 | |
552 | /** @BATADV_ORIG_CAPA_HAS_NC: orig node has network coding enabled */ | |
4635469f | 553 | BATADV_ORIG_CAPA_HAS_NC, |
8b84cc4f SE |
554 | |
555 | /** @BATADV_ORIG_CAPA_HAS_TT: orig node has tt capability */ | |
ac4eebd4 | 556 | BATADV_ORIG_CAPA_HAS_TT, |
8b84cc4f SE |
557 | |
558 | /** | |
559 | * @BATADV_ORIG_CAPA_HAS_MCAST: orig node has some multicast capability | |
560 | * (= orig node announces a tvlv of type BATADV_TVLV_MCAST) | |
561 | */ | |
9c936e3f | 562 | BATADV_ORIG_CAPA_HAS_MCAST, |
17cf0ea4 ML |
563 | }; |
564 | ||
88a32c9a ML |
565 | /** |
566 | * struct batadv_gw_node - structure for orig nodes announcing gw capabilities | |
88a32c9a | 567 | */ |
56303d34 | 568 | struct batadv_gw_node { |
a07369d7 | 569 | /** @list: list node for &batadv_priv_gw.list */ |
c6c8fea2 | 570 | struct hlist_node list; |
8b84cc4f SE |
571 | |
572 | /** @orig_node: pointer to corresponding orig node */ | |
56303d34 | 573 | struct batadv_orig_node *orig_node; |
8b84cc4f SE |
574 | |
575 | /** @bandwidth_down: advertised uplink download bandwidth */ | |
6b5e971a | 576 | u32 bandwidth_down; |
8b84cc4f SE |
577 | |
578 | /** @bandwidth_up: advertised uplink upload bandwidth */ | |
6b5e971a | 579 | u32 bandwidth_up; |
8b84cc4f SE |
580 | |
581 | /** @refcount: number of contexts the object is used */ | |
e7aed321 | 582 | struct kref refcount; |
8b84cc4f SE |
583 | |
584 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
c6c8fea2 SE |
585 | struct rcu_head rcu; |
586 | }; | |
587 | ||
eb1e011a | 588 | DECLARE_EWMA(throughput, 10, 8) |
162bd64c LL |
589 | |
590 | /** | |
591 | * struct batadv_hardif_neigh_node_bat_v - B.A.T.M.A.N. V private neighbor | |
592 | * information | |
162bd64c LL |
593 | */ |
594 | struct batadv_hardif_neigh_node_bat_v { | |
8b84cc4f | 595 | /** @throughput: ewma link throughput towards this neighbor */ |
162bd64c | 596 | struct ewma_throughput throughput; |
8b84cc4f SE |
597 | |
598 | /** @elp_interval: time interval between two ELP transmissions */ | |
162bd64c | 599 | u32 elp_interval; |
8b84cc4f SE |
600 | |
601 | /** @elp_latest_seqno: latest and best known ELP sequence number */ | |
162bd64c | 602 | u32 elp_latest_seqno; |
8b84cc4f SE |
603 | |
604 | /** | |
605 | * @last_unicast_tx: when the last unicast packet has been sent to this | |
606 | * neighbor | |
607 | */ | |
95d39278 | 608 | unsigned long last_unicast_tx; |
8b84cc4f SE |
609 | |
610 | /** @metric_work: work queue callback item for metric update */ | |
c833484e | 611 | struct work_struct metric_work; |
162bd64c LL |
612 | }; |
613 | ||
cef63419 | 614 | /** |
d1f68250 | 615 | * struct batadv_hardif_neigh_node - unique neighbor per hard-interface |
cef63419 ML |
616 | */ |
617 | struct batadv_hardif_neigh_node { | |
a07369d7 | 618 | /** @list: list node for &batadv_hard_iface.neigh_list */ |
cef63419 | 619 | struct hlist_node list; |
8b84cc4f SE |
620 | |
621 | /** @addr: the MAC address of the neighboring interface */ | |
cef63419 | 622 | u8 addr[ETH_ALEN]; |
8b84cc4f SE |
623 | |
624 | /** | |
625 | * @orig: the address of the originator this neighbor node belongs to | |
626 | */ | |
3111beed | 627 | u8 orig[ETH_ALEN]; |
8b84cc4f SE |
628 | |
629 | /** @if_incoming: pointer to incoming hard-interface */ | |
cef63419 | 630 | struct batadv_hard_iface *if_incoming; |
8b84cc4f SE |
631 | |
632 | /** @last_seen: when last packet via this neighbor was received */ | |
cef63419 | 633 | unsigned long last_seen; |
8b84cc4f | 634 | |
162bd64c | 635 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
8b84cc4f | 636 | /** @bat_v: B.A.T.M.A.N. V private data */ |
162bd64c LL |
637 | struct batadv_hardif_neigh_node_bat_v bat_v; |
638 | #endif | |
8b84cc4f SE |
639 | |
640 | /** @refcount: number of contexts the object is used */ | |
90f564df | 641 | struct kref refcount; |
8b84cc4f SE |
642 | |
643 | /** @rcu: struct used for freeing in a RCU-safe manner */ | |
cef63419 ML |
644 | struct rcu_head rcu; |
645 | }; | |
646 | ||
88a32c9a | 647 | /** |
89652331 | 648 | * struct batadv_neigh_node - structure for single hops neighbors |
89652331 SW |
649 | */ |
650 | struct batadv_neigh_node { | |
a07369d7 | 651 | /** @list: list node for &batadv_orig_node.neigh_list */ |
89652331 | 652 | struct hlist_node list; |
8b84cc4f SE |
653 | |
654 | /** @orig_node: pointer to corresponding orig_node */ | |
89652331 | 655 | struct batadv_orig_node *orig_node; |
8b84cc4f SE |
656 | |
657 | /** @addr: the MAC address of the neighboring interface */ | |
6b5e971a | 658 | u8 addr[ETH_ALEN]; |
8b84cc4f SE |
659 | |
660 | /** @ifinfo_list: list for routing metrics per outgoing interface */ | |
89652331 | 661 | struct hlist_head ifinfo_list; |
8b84cc4f SE |
662 | |
663 | /** @ifinfo_lock: lock protecting ifinfo_list and its members */ | |
664 | spinlock_t ifinfo_lock; | |
665 | ||
666 | /** @if_incoming: pointer to incoming hard-interface */ | |
89652331 | 667 | struct batadv_hard_iface *if_incoming; |
8b84cc4f SE |
668 | |
669 | /** @last_seen: when last packet via this neighbor was received */ | |
89652331 | 670 | unsigned long last_seen; |
8b84cc4f SE |
671 | |
672 | /** @hardif_neigh: hardif_neigh of this neighbor */ | |
abe59c65 | 673 | struct batadv_hardif_neigh_node *hardif_neigh; |
8b84cc4f SE |
674 | |
675 | /** @refcount: number of contexts the object is used */ | |
77ae32e8 | 676 | struct kref refcount; |
8b84cc4f SE |
677 | |
678 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
89652331 SW |
679 | struct rcu_head rcu; |
680 | }; | |
681 | ||
1b371d13 | 682 | /** |
1a321b0d | 683 | * struct batadv_neigh_ifinfo_bat_iv - neighbor information per outgoing |
d1f68250 | 684 | * interface for B.A.T.M.A.N. IV |
0538f759 | 685 | */ |
89652331 | 686 | struct batadv_neigh_ifinfo_bat_iv { |
8b84cc4f | 687 | /** @tq_recv: ring buffer of received TQ values from this neigh node */ |
6b5e971a | 688 | u8 tq_recv[BATADV_TQ_GLOBAL_WINDOW_SIZE]; |
8b84cc4f SE |
689 | |
690 | /** @tq_index: ring buffer index */ | |
6b5e971a | 691 | u8 tq_index; |
8b84cc4f SE |
692 | |
693 | /** | |
694 | * @tq_avg: averaged tq of all tq values in the ring buffer (tq_recv) | |
695 | */ | |
6b5e971a | 696 | u8 tq_avg; |
8b84cc4f SE |
697 | |
698 | /** | |
699 | * @real_bits: bitfield containing the number of OGMs received from this | |
700 | * neigh node (relative to orig_node->last_real_seqno) | |
701 | */ | |
0538f759 | 702 | DECLARE_BITMAP(real_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); |
8b84cc4f SE |
703 | |
704 | /** @real_packet_count: counted result of real_bits */ | |
6b5e971a | 705 | u8 real_packet_count; |
0538f759 AQ |
706 | }; |
707 | ||
162bd64c LL |
708 | /** |
709 | * struct batadv_neigh_ifinfo_bat_v - neighbor information per outgoing | |
710 | * interface for B.A.T.M.A.N. V | |
162bd64c LL |
711 | */ |
712 | struct batadv_neigh_ifinfo_bat_v { | |
8b84cc4f SE |
713 | /** |
714 | * @throughput: last throughput metric received from originator via this | |
715 | * neigh | |
716 | */ | |
162bd64c | 717 | u32 throughput; |
8b84cc4f SE |
718 | |
719 | /** @last_seqno: last sequence number known for this neighbor */ | |
9323158e | 720 | u32 last_seqno; |
162bd64c LL |
721 | }; |
722 | ||
1b371d13 SW |
723 | /** |
724 | * struct batadv_neigh_ifinfo - neighbor information per outgoing interface | |
c6c8fea2 | 725 | */ |
89652331 | 726 | struct batadv_neigh_ifinfo { |
a07369d7 | 727 | /** @list: list node for &batadv_neigh_node.ifinfo_list */ |
9591a79f | 728 | struct hlist_node list; |
8b84cc4f SE |
729 | |
730 | /** @if_outgoing: pointer to outgoing hard-interface */ | |
89652331 | 731 | struct batadv_hard_iface *if_outgoing; |
8b84cc4f SE |
732 | |
733 | /** @bat_iv: B.A.T.M.A.N. IV private structure */ | |
89652331 | 734 | struct batadv_neigh_ifinfo_bat_iv bat_iv; |
8b84cc4f | 735 | |
162bd64c | 736 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
8b84cc4f | 737 | /** @bat_v: B.A.T.M.A.N. V private data */ |
162bd64c LL |
738 | struct batadv_neigh_ifinfo_bat_v bat_v; |
739 | #endif | |
8b84cc4f SE |
740 | |
741 | /** @last_ttl: last received ttl from this neigh node */ | |
6b5e971a | 742 | u8 last_ttl; |
8b84cc4f SE |
743 | |
744 | /** @refcount: number of contexts the object is used */ | |
962c6832 | 745 | struct kref refcount; |
8b84cc4f SE |
746 | |
747 | /** @rcu: struct used for freeing in a RCU-safe manner */ | |
88a32c9a | 748 | struct rcu_head rcu; |
c6c8fea2 SE |
749 | }; |
750 | ||
426fc6c8 SE |
751 | #ifdef CONFIG_BATMAN_ADV_BLA |
752 | ||
88a32c9a ML |
753 | /** |
754 | * struct batadv_bcast_duplist_entry - structure for LAN broadcast suppression | |
88a32c9a | 755 | */ |
56303d34 | 756 | struct batadv_bcast_duplist_entry { |
bccb48c8 | 757 | /** @orig: mac address of orig node originating the broadcast */ |
6b5e971a | 758 | u8 orig[ETH_ALEN]; |
8b84cc4f SE |
759 | |
760 | /** @crc: crc32 checksum of broadcast payload */ | |
004e86fc | 761 | __be32 crc; |
8b84cc4f SE |
762 | |
763 | /** @entrytime: time when the broadcast packet was received */ | |
fe2da6ff SW |
764 | unsigned long entrytime; |
765 | }; | |
7a5cc242 | 766 | #endif |
c6c8fea2 | 767 | |
88a32c9a ML |
768 | /** |
769 | * enum batadv_counters - indices for traffic counters | |
88a32c9a | 770 | */ |
d69909d2 | 771 | enum batadv_counters { |
8b84cc4f | 772 | /** @BATADV_CNT_TX: transmitted payload traffic packet counter */ |
1c9b0550 | 773 | BATADV_CNT_TX, |
8b84cc4f SE |
774 | |
775 | /** @BATADV_CNT_TX_BYTES: transmitted payload traffic bytes counter */ | |
1c9b0550 | 776 | BATADV_CNT_TX_BYTES, |
8b84cc4f SE |
777 | |
778 | /** | |
779 | * @BATADV_CNT_TX_DROPPED: dropped transmission payload traffic packet | |
780 | * counter | |
781 | */ | |
1c9b0550 | 782 | BATADV_CNT_TX_DROPPED, |
8b84cc4f SE |
783 | |
784 | /** @BATADV_CNT_RX: received payload traffic packet counter */ | |
1c9b0550 | 785 | BATADV_CNT_RX, |
8b84cc4f SE |
786 | |
787 | /** @BATADV_CNT_RX_BYTES: received payload traffic bytes counter */ | |
1c9b0550 | 788 | BATADV_CNT_RX_BYTES, |
8b84cc4f SE |
789 | |
790 | /** @BATADV_CNT_FORWARD: forwarded payload traffic packet counter */ | |
d69909d2 | 791 | BATADV_CNT_FORWARD, |
8b84cc4f SE |
792 | |
793 | /** | |
794 | * @BATADV_CNT_FORWARD_BYTES: forwarded payload traffic bytes counter | |
795 | */ | |
d69909d2 | 796 | BATADV_CNT_FORWARD_BYTES, |
8b84cc4f SE |
797 | |
798 | /** | |
799 | * @BATADV_CNT_MGMT_TX: transmitted routing protocol traffic packet | |
800 | * counter | |
801 | */ | |
d69909d2 | 802 | BATADV_CNT_MGMT_TX, |
8b84cc4f SE |
803 | |
804 | /** | |
805 | * @BATADV_CNT_MGMT_TX_BYTES: transmitted routing protocol traffic bytes | |
806 | * counter | |
807 | */ | |
d69909d2 | 808 | BATADV_CNT_MGMT_TX_BYTES, |
8b84cc4f SE |
809 | |
810 | /** | |
811 | * @BATADV_CNT_MGMT_RX: received routing protocol traffic packet counter | |
812 | */ | |
d69909d2 | 813 | BATADV_CNT_MGMT_RX, |
8b84cc4f SE |
814 | |
815 | /** | |
816 | * @BATADV_CNT_MGMT_RX_BYTES: received routing protocol traffic bytes | |
817 | * counter | |
818 | */ | |
d69909d2 | 819 | BATADV_CNT_MGMT_RX_BYTES, |
8b84cc4f SE |
820 | |
821 | /** @BATADV_CNT_FRAG_TX: transmitted fragment traffic packet counter */ | |
ee75ed88 | 822 | BATADV_CNT_FRAG_TX, |
8b84cc4f SE |
823 | |
824 | /** | |
825 | * @BATADV_CNT_FRAG_TX_BYTES: transmitted fragment traffic bytes counter | |
826 | */ | |
ee75ed88 | 827 | BATADV_CNT_FRAG_TX_BYTES, |
8b84cc4f SE |
828 | |
829 | /** @BATADV_CNT_FRAG_RX: received fragment traffic packet counter */ | |
610bfc6b | 830 | BATADV_CNT_FRAG_RX, |
8b84cc4f SE |
831 | |
832 | /** | |
833 | * @BATADV_CNT_FRAG_RX_BYTES: received fragment traffic bytes counter | |
834 | */ | |
610bfc6b | 835 | BATADV_CNT_FRAG_RX_BYTES, |
8b84cc4f SE |
836 | |
837 | /** @BATADV_CNT_FRAG_FWD: forwarded fragment traffic packet counter */ | |
610bfc6b | 838 | BATADV_CNT_FRAG_FWD, |
8b84cc4f SE |
839 | |
840 | /** | |
841 | * @BATADV_CNT_FRAG_FWD_BYTES: forwarded fragment traffic bytes counter | |
842 | */ | |
610bfc6b | 843 | BATADV_CNT_FRAG_FWD_BYTES, |
8b84cc4f SE |
844 | |
845 | /** | |
846 | * @BATADV_CNT_TT_REQUEST_TX: transmitted tt req traffic packet counter | |
847 | */ | |
d69909d2 | 848 | BATADV_CNT_TT_REQUEST_TX, |
8b84cc4f SE |
849 | |
850 | /** @BATADV_CNT_TT_REQUEST_RX: received tt req traffic packet counter */ | |
d69909d2 | 851 | BATADV_CNT_TT_REQUEST_RX, |
8b84cc4f SE |
852 | |
853 | /** | |
854 | * @BATADV_CNT_TT_RESPONSE_TX: transmitted tt resp traffic packet | |
855 | * counter | |
856 | */ | |
d69909d2 | 857 | BATADV_CNT_TT_RESPONSE_TX, |
8b84cc4f SE |
858 | |
859 | /** | |
860 | * @BATADV_CNT_TT_RESPONSE_RX: received tt resp traffic packet counter | |
861 | */ | |
d69909d2 | 862 | BATADV_CNT_TT_RESPONSE_RX, |
8b84cc4f SE |
863 | |
864 | /** | |
865 | * @BATADV_CNT_TT_ROAM_ADV_TX: transmitted tt roam traffic packet | |
866 | * counter | |
867 | */ | |
d69909d2 | 868 | BATADV_CNT_TT_ROAM_ADV_TX, |
8b84cc4f SE |
869 | |
870 | /** | |
871 | * @BATADV_CNT_TT_ROAM_ADV_RX: received tt roam traffic packet counter | |
872 | */ | |
d69909d2 | 873 | BATADV_CNT_TT_ROAM_ADV_RX, |
8b84cc4f | 874 | |
4046b24a | 875 | #ifdef CONFIG_BATMAN_ADV_DAT |
8b84cc4f SE |
876 | /** |
877 | * @BATADV_CNT_DAT_GET_TX: transmitted dht GET traffic packet counter | |
878 | */ | |
4046b24a | 879 | BATADV_CNT_DAT_GET_TX, |
8b84cc4f SE |
880 | |
881 | /** @BATADV_CNT_DAT_GET_RX: received dht GET traffic packet counter */ | |
4046b24a | 882 | BATADV_CNT_DAT_GET_RX, |
8b84cc4f SE |
883 | |
884 | /** | |
885 | * @BATADV_CNT_DAT_PUT_TX: transmitted dht PUT traffic packet counter | |
886 | */ | |
4046b24a | 887 | BATADV_CNT_DAT_PUT_TX, |
8b84cc4f SE |
888 | |
889 | /** @BATADV_CNT_DAT_PUT_RX: received dht PUT traffic packet counter */ | |
4046b24a | 890 | BATADV_CNT_DAT_PUT_RX, |
8b84cc4f SE |
891 | |
892 | /** | |
893 | * @BATADV_CNT_DAT_CACHED_REPLY_TX: transmitted dat cache reply traffic | |
894 | * packet counter | |
895 | */ | |
4046b24a | 896 | BATADV_CNT_DAT_CACHED_REPLY_TX, |
3c12de9a | 897 | #endif |
8b84cc4f | 898 | |
3c12de9a | 899 | #ifdef CONFIG_BATMAN_ADV_NC |
8b84cc4f SE |
900 | /** |
901 | * @BATADV_CNT_NC_CODE: transmitted nc-combined traffic packet counter | |
902 | */ | |
3c12de9a | 903 | BATADV_CNT_NC_CODE, |
8b84cc4f SE |
904 | |
905 | /** | |
906 | * @BATADV_CNT_NC_CODE_BYTES: transmitted nc-combined traffic bytes | |
907 | * counter | |
908 | */ | |
3c12de9a | 909 | BATADV_CNT_NC_CODE_BYTES, |
8b84cc4f SE |
910 | |
911 | /** | |
912 | * @BATADV_CNT_NC_RECODE: transmitted nc-recombined traffic packet | |
913 | * counter | |
914 | */ | |
3c12de9a | 915 | BATADV_CNT_NC_RECODE, |
8b84cc4f SE |
916 | |
917 | /** | |
918 | * @BATADV_CNT_NC_RECODE_BYTES: transmitted nc-recombined traffic bytes | |
919 | * counter | |
920 | */ | |
3c12de9a | 921 | BATADV_CNT_NC_RECODE_BYTES, |
8b84cc4f SE |
922 | |
923 | /** | |
924 | * @BATADV_CNT_NC_BUFFER: counter for packets buffered for later nc | |
925 | * decoding | |
926 | */ | |
612d2b4f | 927 | BATADV_CNT_NC_BUFFER, |
8b84cc4f SE |
928 | |
929 | /** | |
930 | * @BATADV_CNT_NC_DECODE: received and nc-decoded traffic packet counter | |
931 | */ | |
2df5278b | 932 | BATADV_CNT_NC_DECODE, |
8b84cc4f SE |
933 | |
934 | /** | |
935 | * @BATADV_CNT_NC_DECODE_BYTES: received and nc-decoded traffic bytes | |
936 | * counter | |
937 | */ | |
2df5278b | 938 | BATADV_CNT_NC_DECODE_BYTES, |
8b84cc4f SE |
939 | |
940 | /** | |
941 | * @BATADV_CNT_NC_DECODE_FAILED: received and decode-failed traffic | |
942 | * packet counter | |
943 | */ | |
2df5278b | 944 | BATADV_CNT_NC_DECODE_FAILED, |
8b84cc4f SE |
945 | |
946 | /** | |
947 | * @BATADV_CNT_NC_SNIFFED: counter for nc-decoded packets received in | |
948 | * promisc mode. | |
949 | */ | |
2df5278b | 950 | BATADV_CNT_NC_SNIFFED, |
4046b24a | 951 | #endif |
8b84cc4f SE |
952 | |
953 | /** @BATADV_CNT_NUM: number of traffic counters */ | |
d69909d2 | 954 | BATADV_CNT_NUM, |
f8214865 MH |
955 | }; |
956 | ||
807736f6 SE |
957 | /** |
958 | * struct batadv_priv_tt - per mesh interface translation table data | |
807736f6 SE |
959 | */ |
960 | struct batadv_priv_tt { | |
8b84cc4f | 961 | /** @vn: translation table version number */ |
807736f6 | 962 | atomic_t vn; |
8b84cc4f SE |
963 | |
964 | /** | |
965 | * @ogm_append_cnt: counter of number of OGMs containing the local tt | |
966 | * diff | |
967 | */ | |
807736f6 | 968 | atomic_t ogm_append_cnt; |
8b84cc4f SE |
969 | |
970 | /** @local_changes: changes registered in an originator interval */ | |
807736f6 | 971 | atomic_t local_changes; |
8b84cc4f SE |
972 | |
973 | /** | |
974 | * @changes_list: tracks tt local changes within an originator interval | |
975 | */ | |
807736f6 | 976 | struct list_head changes_list; |
8b84cc4f SE |
977 | |
978 | /** @local_hash: local translation table hash table */ | |
807736f6 | 979 | struct batadv_hashtable *local_hash; |
8b84cc4f SE |
980 | |
981 | /** @global_hash: global translation table hash table */ | |
807736f6 | 982 | struct batadv_hashtable *global_hash; |
8b84cc4f SE |
983 | |
984 | /** @req_list: list of pending & unanswered tt_requests */ | |
7c26a53b | 985 | struct hlist_head req_list; |
8b84cc4f SE |
986 | |
987 | /** | |
988 | * @roam_list: list of the last roaming events of each client limiting | |
989 | * the number of roaming events to avoid route flapping | |
990 | */ | |
807736f6 | 991 | struct list_head roam_list; |
8b84cc4f SE |
992 | |
993 | /** @changes_list_lock: lock protecting changes_list */ | |
994 | spinlock_t changes_list_lock; | |
995 | ||
996 | /** @req_list_lock: lock protecting req_list */ | |
997 | spinlock_t req_list_lock; | |
998 | ||
999 | /** @roam_list_lock: lock protecting roam_list */ | |
1000 | spinlock_t roam_list_lock; | |
1001 | ||
1002 | /** @last_changeset: last tt changeset this host has generated */ | |
807736f6 | 1003 | unsigned char *last_changeset; |
8b84cc4f SE |
1004 | |
1005 | /** | |
1006 | * @last_changeset_len: length of last tt changeset this host has | |
1007 | * generated | |
1008 | */ | |
6b5e971a | 1009 | s16 last_changeset_len; |
8b84cc4f SE |
1010 | |
1011 | /** | |
1012 | * @last_changeset_lock: lock protecting last_changeset & | |
1013 | * last_changeset_len | |
1014 | */ | |
88a32c9a | 1015 | spinlock_t last_changeset_lock; |
8b84cc4f SE |
1016 | |
1017 | /** | |
1018 | * @commit_lock: prevents from executing a local TT commit while reading | |
bccb48c8 | 1019 | * the local table. The local TT commit is made up of two operations |
69fed4ce | 1020 | * (data structure update and metadata -CRC/TTVN- recalculation) and |
8b84cc4f SE |
1021 | * they have to be executed atomically in order to avoid another thread |
1022 | * to read the table/metadata between those. | |
1023 | */ | |
a70a9aa9 | 1024 | spinlock_t commit_lock; |
8b84cc4f SE |
1025 | |
1026 | /** @work: work queue callback item for translation table purging */ | |
807736f6 SE |
1027 | struct delayed_work work; |
1028 | }; | |
1029 | ||
426fc6c8 SE |
1030 | #ifdef CONFIG_BATMAN_ADV_BLA |
1031 | ||
88a32c9a | 1032 | /** |
bccb48c8 | 1033 | * struct batadv_priv_bla - per mesh interface bridge loop avoidance data |
88a32c9a | 1034 | */ |
807736f6 | 1035 | struct batadv_priv_bla { |
8b84cc4f | 1036 | /** @num_requests: number of bla requests in flight */ |
88a32c9a | 1037 | atomic_t num_requests; |
8b84cc4f SE |
1038 | |
1039 | /** | |
1040 | * @claim_hash: hash table containing mesh nodes this host has claimed | |
1041 | */ | |
807736f6 | 1042 | struct batadv_hashtable *claim_hash; |
8b84cc4f SE |
1043 | |
1044 | /** | |
1045 | * @backbone_hash: hash table containing all detected backbone gateways | |
1046 | */ | |
807736f6 | 1047 | struct batadv_hashtable *backbone_hash; |
8b84cc4f SE |
1048 | |
1049 | /** @loopdetect_addr: MAC address used for own loopdetection frames */ | |
cd9c7bfb | 1050 | u8 loopdetect_addr[ETH_ALEN]; |
8b84cc4f SE |
1051 | |
1052 | /** | |
1053 | * @loopdetect_lasttime: time when the loopdetection frames were sent | |
1054 | */ | |
cd9c7bfb | 1055 | unsigned long loopdetect_lasttime; |
8b84cc4f SE |
1056 | |
1057 | /** | |
1058 | * @loopdetect_next: how many periods to wait for the next loopdetect | |
1059 | * process | |
1060 | */ | |
cd9c7bfb | 1061 | atomic_t loopdetect_next; |
8b84cc4f SE |
1062 | |
1063 | /** | |
1064 | * @bcast_duplist: recently received broadcast packets array (for | |
1065 | * broadcast duplicate suppression) | |
1066 | */ | |
807736f6 | 1067 | struct batadv_bcast_duplist_entry bcast_duplist[BATADV_DUPLIST_SIZE]; |
8b84cc4f SE |
1068 | |
1069 | /** | |
1070 | * @bcast_duplist_curr: index of last broadcast packet added to | |
1071 | * bcast_duplist | |
1072 | */ | |
807736f6 | 1073 | int bcast_duplist_curr; |
8b84cc4f SE |
1074 | |
1075 | /** | |
1076 | * @bcast_duplist_lock: lock protecting bcast_duplist & | |
1077 | * bcast_duplist_curr | |
1078 | */ | |
7dac7b76 | 1079 | spinlock_t bcast_duplist_lock; |
8b84cc4f SE |
1080 | |
1081 | /** @claim_dest: local claim data (e.g. claim group) */ | |
807736f6 | 1082 | struct batadv_bla_claim_dst claim_dest; |
8b84cc4f SE |
1083 | |
1084 | /** @work: work queue callback item for cleanups & bla announcements */ | |
807736f6 SE |
1085 | struct delayed_work work; |
1086 | }; | |
1087 | #endif | |
1088 | ||
426fc6c8 SE |
1089 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
1090 | ||
88a32c9a | 1091 | /** |
1a321b0d | 1092 | * struct batadv_priv_debug_log - debug logging data |
88a32c9a | 1093 | */ |
0abf5d81 | 1094 | struct batadv_priv_debug_log { |
c08dd06b | 1095 | /** @log_buff: buffer holding the logs (ring buffer) */ |
0abf5d81 | 1096 | char log_buff[BATADV_LOG_BUF_LEN]; |
8b84cc4f SE |
1097 | |
1098 | /** @log_start: index of next character to read */ | |
0abf5d81 | 1099 | unsigned long log_start; |
8b84cc4f SE |
1100 | |
1101 | /** @log_end: index of next character to write */ | |
0abf5d81 | 1102 | unsigned long log_end; |
8b84cc4f SE |
1103 | |
1104 | /** @lock: lock protecting log_buff, log_start & log_end */ | |
1105 | spinlock_t lock; | |
1106 | ||
1107 | /** @queue_wait: log reader's wait queue */ | |
0abf5d81 ML |
1108 | wait_queue_head_t queue_wait; |
1109 | }; | |
1110 | #endif | |
1111 | ||
88a32c9a ML |
1112 | /** |
1113 | * struct batadv_priv_gw - per mesh interface gateway data | |
88a32c9a | 1114 | */ |
807736f6 | 1115 | struct batadv_priv_gw { |
8b84cc4f | 1116 | /** @gateway_list: list of available gateway nodes */ |
70ea5cee | 1117 | struct hlist_head gateway_list; |
8b84cc4f | 1118 | |
9264c85c | 1119 | /** @list_lock: lock protecting gateway_list, curr_gw, generation */ |
8b84cc4f SE |
1120 | spinlock_t list_lock; |
1121 | ||
1122 | /** @curr_gw: pointer to currently selected gateway node */ | |
1123 | struct batadv_gw_node __rcu *curr_gw; | |
1124 | ||
9264c85c SE |
1125 | /** @generation: current (generation) sequence number */ |
1126 | unsigned int generation; | |
1127 | ||
8b84cc4f SE |
1128 | /** |
1129 | * @mode: gateway operation: off, client or server (see batadv_gw_modes) | |
1130 | */ | |
3a24a63e | 1131 | atomic_t mode; |
8b84cc4f SE |
1132 | |
1133 | /** @sel_class: gateway selection class (applies if gw_mode client) */ | |
3a24a63e | 1134 | atomic_t sel_class; |
8b84cc4f SE |
1135 | |
1136 | /** | |
1137 | * @bandwidth_down: advertised uplink download bandwidth (if gw_mode | |
1138 | * server) | |
1139 | */ | |
414254e3 | 1140 | atomic_t bandwidth_down; |
8b84cc4f SE |
1141 | |
1142 | /** | |
1143 | * @bandwidth_up: advertised uplink upload bandwidth (if gw_mode server) | |
1144 | */ | |
414254e3 | 1145 | atomic_t bandwidth_up; |
8b84cc4f SE |
1146 | |
1147 | /** @reselect: bool indicating a gateway re-selection is in progress */ | |
807736f6 SE |
1148 | atomic_t reselect; |
1149 | }; | |
1150 | ||
ef261577 ML |
1151 | /** |
1152 | * struct batadv_priv_tvlv - per mesh interface tvlv data | |
ef261577 ML |
1153 | */ |
1154 | struct batadv_priv_tvlv { | |
8b84cc4f SE |
1155 | /** |
1156 | * @container_list: list of registered tvlv containers to be sent with | |
1157 | * each OGM | |
1158 | */ | |
ef261577 | 1159 | struct hlist_head container_list; |
8b84cc4f SE |
1160 | |
1161 | /** @handler_list: list of the various tvlv content handlers */ | |
ef261577 | 1162 | struct hlist_head handler_list; |
8b84cc4f SE |
1163 | |
1164 | /** @container_list_lock: protects tvlv container list access */ | |
1165 | spinlock_t container_list_lock; | |
1166 | ||
1167 | /** @handler_list_lock: protects handler list access */ | |
1168 | spinlock_t handler_list_lock; | |
ef261577 ML |
1169 | }; |
1170 | ||
426fc6c8 SE |
1171 | #ifdef CONFIG_BATMAN_ADV_DAT |
1172 | ||
785ea114 AQ |
1173 | /** |
1174 | * struct batadv_priv_dat - per mesh interface DAT private data | |
785ea114 AQ |
1175 | */ |
1176 | struct batadv_priv_dat { | |
8b84cc4f | 1177 | /** @addr: node DAT address */ |
785ea114 | 1178 | batadv_dat_addr_t addr; |
8b84cc4f SE |
1179 | |
1180 | /** @hash: hashtable representing the local ARP cache */ | |
2f1dfbe1 | 1181 | struct batadv_hashtable *hash; |
8b84cc4f SE |
1182 | |
1183 | /** @work: work queue callback item for cache purging */ | |
2f1dfbe1 | 1184 | struct delayed_work work; |
785ea114 | 1185 | }; |
17224474 | 1186 | #endif |
785ea114 | 1187 | |
c5caf4ef | 1188 | #ifdef CONFIG_BATMAN_ADV_MCAST |
687937ab LL |
1189 | /** |
1190 | * struct batadv_mcast_querier_state - IGMP/MLD querier state when bridged | |
687937ab LL |
1191 | */ |
1192 | struct batadv_mcast_querier_state { | |
8b84cc4f | 1193 | /** @exists: whether a querier exists in the mesh */ |
6486379d | 1194 | unsigned char exists:1; |
8b84cc4f SE |
1195 | |
1196 | /** | |
1197 | * @shadowing: if a querier exists, whether it is potentially shadowing | |
1198 | * multicast listeners (i.e. querier is behind our own bridge segment) | |
1199 | */ | |
6486379d | 1200 | unsigned char shadowing:1; |
687937ab LL |
1201 | }; |
1202 | ||
6bc45440 LL |
1203 | /** |
1204 | * struct batadv_mcast_mla_flags - flags for the querier, bridge and tvlv state | |
1205 | */ | |
1206 | struct batadv_mcast_mla_flags { | |
1207 | /** @querier_ipv4: the current state of an IGMP querier in the mesh */ | |
1208 | struct batadv_mcast_querier_state querier_ipv4; | |
1209 | ||
1210 | /** @querier_ipv6: the current state of an MLD querier in the mesh */ | |
1211 | struct batadv_mcast_querier_state querier_ipv6; | |
1212 | ||
1213 | /** @enabled: whether the multicast tvlv is currently enabled */ | |
1214 | unsigned char enabled:1; | |
1215 | ||
1216 | /** @bridged: whether the soft interface has a bridge on top */ | |
1217 | unsigned char bridged:1; | |
1218 | ||
1219 | /** @tvlv_flags: the flags we have last sent in our mcast tvlv */ | |
1220 | u8 tvlv_flags; | |
1221 | }; | |
1222 | ||
c5caf4ef LL |
1223 | /** |
1224 | * struct batadv_priv_mcast - per mesh interface mcast data | |
c5caf4ef LL |
1225 | */ |
1226 | struct batadv_priv_mcast { | |
8b84cc4f SE |
1227 | /** |
1228 | * @mla_list: list of multicast addresses we are currently announcing | |
1229 | * via TT | |
1230 | */ | |
cbebd363 | 1231 | struct hlist_head mla_list; /* see __batadv_mcast_mla_update() */ |
8b84cc4f SE |
1232 | |
1233 | /** | |
1234 | * @want_all_unsnoopables_list: a list of orig_nodes wanting all | |
1235 | * unsnoopable multicast traffic | |
1236 | */ | |
ab49886e | 1237 | struct hlist_head want_all_unsnoopables_list; |
8b84cc4f SE |
1238 | |
1239 | /** | |
1240 | * @want_all_ipv4_list: a list of orig_nodes wanting all IPv4 multicast | |
1241 | * traffic | |
1242 | */ | |
4c8755d6 | 1243 | struct hlist_head want_all_ipv4_list; |
8b84cc4f SE |
1244 | |
1245 | /** | |
1246 | * @want_all_ipv6_list: a list of orig_nodes wanting all IPv6 multicast | |
1247 | * traffic | |
1248 | */ | |
4c8755d6 | 1249 | struct hlist_head want_all_ipv6_list; |
8b84cc4f | 1250 | |
61caf3d1 LL |
1251 | /** |
1252 | * @want_all_rtr4_list: a list of orig_nodes wanting all routable IPv4 | |
1253 | * multicast traffic | |
1254 | */ | |
1255 | struct hlist_head want_all_rtr4_list; | |
1256 | ||
1257 | /** | |
1258 | * @want_all_rtr6_list: a list of orig_nodes wanting all routable IPv6 | |
1259 | * multicast traffic | |
1260 | */ | |
1261 | struct hlist_head want_all_rtr6_list; | |
1262 | ||
6bc45440 LL |
1263 | /** |
1264 | * @mla_flags: flags for the querier, bridge and tvlv state | |
1265 | */ | |
1266 | struct batadv_mcast_mla_flags mla_flags; | |
8b84cc4f | 1267 | |
a3c7cd0c LL |
1268 | /** |
1269 | * @mla_lock: a lock protecting mla_list and mla_flags | |
1270 | */ | |
1271 | spinlock_t mla_lock; | |
1272 | ||
8b84cc4f SE |
1273 | /** |
1274 | * @num_want_all_unsnoopables: number of nodes wanting unsnoopable IP | |
1275 | * traffic | |
1276 | */ | |
ab49886e | 1277 | atomic_t num_want_all_unsnoopables; |
8b84cc4f SE |
1278 | |
1279 | /** @num_want_all_ipv4: counter for items in want_all_ipv4_list */ | |
4c8755d6 | 1280 | atomic_t num_want_all_ipv4; |
8b84cc4f SE |
1281 | |
1282 | /** @num_want_all_ipv6: counter for items in want_all_ipv6_list */ | |
4c8755d6 | 1283 | atomic_t num_want_all_ipv6; |
8b84cc4f | 1284 | |
61caf3d1 LL |
1285 | /** @num_want_all_rtr4: counter for items in want_all_rtr4_list */ |
1286 | atomic_t num_want_all_rtr4; | |
1287 | ||
1288 | /** @num_want_all_rtr6: counter for items in want_all_rtr6_list */ | |
1289 | atomic_t num_want_all_rtr6; | |
1290 | ||
8b84cc4f SE |
1291 | /** |
1292 | * @want_lists_lock: lock for protecting modifications to mcasts | |
1293 | * want_all_{unsnoopables,ipv4,ipv6}_list (traversals are rcu-locked) | |
1294 | */ | |
ab49886e | 1295 | spinlock_t want_lists_lock; |
8b84cc4f SE |
1296 | |
1297 | /** @work: work queue callback item for multicast TT and TVLV updates */ | |
cbebd363 | 1298 | struct delayed_work work; |
c5caf4ef LL |
1299 | }; |
1300 | #endif | |
1301 | ||
d353d8d4 MH |
1302 | /** |
1303 | * struct batadv_priv_nc - per mesh interface network coding private data | |
d353d8d4 MH |
1304 | */ |
1305 | struct batadv_priv_nc { | |
8b84cc4f | 1306 | /** @work: work queue callback item for cleanup */ |
d353d8d4 | 1307 | struct delayed_work work; |
8b84cc4f | 1308 | |
dc06338d | 1309 | #ifdef CONFIG_BATMAN_ADV_DEBUGFS |
8b84cc4f SE |
1310 | /** |
1311 | * @debug_dir: dentry for nc subdir in batman-adv directory in debugfs | |
1312 | */ | |
d56b1705 | 1313 | struct dentry *debug_dir; |
dc06338d | 1314 | #endif |
8b84cc4f SE |
1315 | |
1316 | /** | |
1317 | * @min_tq: only consider neighbors for encoding if neigh_tq > min_tq | |
1318 | */ | |
d56b1705 | 1319 | u8 min_tq; |
8b84cc4f SE |
1320 | |
1321 | /** | |
1322 | * @max_fwd_delay: maximum packet forward delay to allow coding of | |
1323 | * packets | |
1324 | */ | |
95332477 | 1325 | u32 max_fwd_delay; |
8b84cc4f SE |
1326 | |
1327 | /** | |
1328 | * @max_buffer_time: buffer time for sniffed packets used to decoding | |
1329 | */ | |
612d2b4f | 1330 | u32 max_buffer_time; |
8b84cc4f SE |
1331 | |
1332 | /** | |
1333 | * @timestamp_fwd_flush: timestamp of last forward packet queue flush | |
1334 | */ | |
95332477 | 1335 | unsigned long timestamp_fwd_flush; |
8b84cc4f SE |
1336 | |
1337 | /** | |
1338 | * @timestamp_sniffed_purge: timestamp of last sniffed packet queue | |
1339 | * purge | |
1340 | */ | |
612d2b4f | 1341 | unsigned long timestamp_sniffed_purge; |
8b84cc4f SE |
1342 | |
1343 | /** | |
1344 | * @coding_hash: Hash table used to buffer skbs while waiting for | |
1345 | * another incoming skb to code it with. Skbs are added to the buffer | |
1346 | * just before being forwarded in routing.c | |
1347 | */ | |
95332477 | 1348 | struct batadv_hashtable *coding_hash; |
8b84cc4f SE |
1349 | |
1350 | /** | |
1351 | * @decoding_hash: Hash table used to buffer skbs that might be needed | |
1352 | * to decode a received coded skb. The buffer is used for 1) skbs | |
1353 | * arriving on the soft-interface; 2) skbs overheard on the | |
1354 | * hard-interface; and 3) skbs forwarded by batman-adv. | |
1355 | */ | |
612d2b4f | 1356 | struct batadv_hashtable *decoding_hash; |
d353d8d4 MH |
1357 | }; |
1358 | ||
33a3bb4a AQ |
1359 | /** |
1360 | * struct batadv_tp_unacked - unacked packet meta-information | |
33a3bb4a AQ |
1361 | * |
1362 | * This struct is supposed to represent a buffer unacked packet. However, since | |
1363 | * the purpose of the TP meter is to count the traffic only, there is no need to | |
1364 | * store the entire sk_buff, the starting offset and the length are enough | |
1365 | */ | |
1366 | struct batadv_tp_unacked { | |
8b84cc4f | 1367 | /** @seqno: seqno of the unacked packet */ |
33a3bb4a | 1368 | u32 seqno; |
8b84cc4f SE |
1369 | |
1370 | /** @len: length of the packet */ | |
33a3bb4a | 1371 | u16 len; |
8b84cc4f | 1372 | |
a07369d7 | 1373 | /** @list: list node for &batadv_tp_vars.unacked_list */ |
33a3bb4a AQ |
1374 | struct list_head list; |
1375 | }; | |
1376 | ||
1377 | /** | |
1378 | * enum batadv_tp_meter_role - Modus in tp meter session | |
33a3bb4a AQ |
1379 | */ |
1380 | enum batadv_tp_meter_role { | |
8b84cc4f | 1381 | /** @BATADV_TP_RECEIVER: Initialized as receiver */ |
33a3bb4a | 1382 | BATADV_TP_RECEIVER, |
8b84cc4f SE |
1383 | |
1384 | /** @BATADV_TP_SENDER: Initialized as sender */ | |
33a3bb4a AQ |
1385 | BATADV_TP_SENDER |
1386 | }; | |
1387 | ||
1388 | /** | |
1389 | * struct batadv_tp_vars - tp meter private variables per session | |
33a3bb4a AQ |
1390 | */ |
1391 | struct batadv_tp_vars { | |
a07369d7 | 1392 | /** @list: list node for &bat_priv.tp_list */ |
33a3bb4a | 1393 | struct hlist_node list; |
8b84cc4f SE |
1394 | |
1395 | /** @timer: timer for ack (receiver) and retry (sender) */ | |
33a3bb4a | 1396 | struct timer_list timer; |
8b84cc4f SE |
1397 | |
1398 | /** @bat_priv: pointer to the mesh object */ | |
33a3bb4a | 1399 | struct batadv_priv *bat_priv; |
8b84cc4f SE |
1400 | |
1401 | /** @start_time: start time in jiffies */ | |
33a3bb4a | 1402 | unsigned long start_time; |
8b84cc4f SE |
1403 | |
1404 | /** @other_end: mac address of remote */ | |
33a3bb4a | 1405 | u8 other_end[ETH_ALEN]; |
8b84cc4f SE |
1406 | |
1407 | /** @role: receiver/sender modi */ | |
33a3bb4a | 1408 | enum batadv_tp_meter_role role; |
8b84cc4f SE |
1409 | |
1410 | /** @sending: sending binary semaphore: 1 if sending, 0 is not */ | |
33a3bb4a | 1411 | atomic_t sending; |
8b84cc4f SE |
1412 | |
1413 | /** @reason: reason for a stopped session */ | |
33a3bb4a | 1414 | enum batadv_tp_meter_reason reason; |
8b84cc4f SE |
1415 | |
1416 | /** @finish_work: work item for the finishing procedure */ | |
33a3bb4a | 1417 | struct delayed_work finish_work; |
8b84cc4f SE |
1418 | |
1419 | /** @test_length: test length in milliseconds */ | |
33a3bb4a | 1420 | u32 test_length; |
8b84cc4f SE |
1421 | |
1422 | /** @session: TP session identifier */ | |
33a3bb4a | 1423 | u8 session[2]; |
8b84cc4f SE |
1424 | |
1425 | /** @icmp_uid: local ICMP "socket" index */ | |
33a3bb4a AQ |
1426 | u8 icmp_uid; |
1427 | ||
1428 | /* sender variables */ | |
8b84cc4f SE |
1429 | |
1430 | /** @dec_cwnd: decimal part of the cwnd used during linear growth */ | |
33a3bb4a | 1431 | u16 dec_cwnd; |
8b84cc4f SE |
1432 | |
1433 | /** @cwnd: current size of the congestion window */ | |
33a3bb4a | 1434 | u32 cwnd; |
8b84cc4f SE |
1435 | |
1436 | /** @cwnd_lock: lock do protect @cwnd & @dec_cwnd */ | |
1437 | spinlock_t cwnd_lock; | |
1438 | ||
1439 | /** | |
1440 | * @ss_threshold: Slow Start threshold. Once cwnd exceeds this value the | |
1441 | * connection switches to the Congestion Avoidance state | |
1442 | */ | |
33a3bb4a | 1443 | u32 ss_threshold; |
8b84cc4f SE |
1444 | |
1445 | /** @last_acked: last acked byte */ | |
33a3bb4a | 1446 | atomic_t last_acked; |
8b84cc4f SE |
1447 | |
1448 | /** @last_sent: last sent byte, not yet acked */ | |
33a3bb4a | 1449 | u32 last_sent; |
8b84cc4f SE |
1450 | |
1451 | /** @tot_sent: amount of data sent/ACKed so far */ | |
33a3bb4a | 1452 | atomic64_t tot_sent; |
8b84cc4f SE |
1453 | |
1454 | /** @dup_acks: duplicate ACKs counter */ | |
33a3bb4a | 1455 | atomic_t dup_acks; |
8b84cc4f SE |
1456 | |
1457 | /** @fast_recovery: true if in Fast Recovery mode */ | |
6486379d | 1458 | unsigned char fast_recovery:1; |
8b84cc4f SE |
1459 | |
1460 | /** @recover: last sent seqno when entering Fast Recovery */ | |
33a3bb4a | 1461 | u32 recover; |
8b84cc4f SE |
1462 | |
1463 | /** @rto: sender timeout */ | |
33a3bb4a | 1464 | u32 rto; |
8b84cc4f SE |
1465 | |
1466 | /** @srtt: smoothed RTT scaled by 2^3 */ | |
33a3bb4a | 1467 | u32 srtt; |
8b84cc4f SE |
1468 | |
1469 | /** @rttvar: RTT variation scaled by 2^2 */ | |
33a3bb4a | 1470 | u32 rttvar; |
8b84cc4f SE |
1471 | |
1472 | /** | |
1473 | * @more_bytes: waiting queue anchor when waiting for more ack/retry | |
1474 | * timeout | |
1475 | */ | |
33a3bb4a | 1476 | wait_queue_head_t more_bytes; |
8b84cc4f SE |
1477 | |
1478 | /** @prerandom_offset: offset inside the prerandom buffer */ | |
33a3bb4a | 1479 | u32 prerandom_offset; |
8b84cc4f SE |
1480 | |
1481 | /** @prerandom_lock: spinlock protecting access to prerandom_offset */ | |
1482 | spinlock_t prerandom_lock; | |
33a3bb4a AQ |
1483 | |
1484 | /* receiver variables */ | |
8b84cc4f SE |
1485 | |
1486 | /** @last_recv: last in-order received packet */ | |
33a3bb4a | 1487 | u32 last_recv; |
8b84cc4f SE |
1488 | |
1489 | /** @unacked_list: list of unacked packets (meta-info only) */ | |
33a3bb4a | 1490 | struct list_head unacked_list; |
8b84cc4f SE |
1491 | |
1492 | /** @unacked_lock: protect unacked_list */ | |
1493 | spinlock_t unacked_lock; | |
1494 | ||
6f5b92a7 | 1495 | /** @last_recv_time: time (jiffies) a msg was received */ |
33a3bb4a | 1496 | unsigned long last_recv_time; |
8b84cc4f SE |
1497 | |
1498 | /** @refcount: number of context where the object is used */ | |
33a3bb4a | 1499 | struct kref refcount; |
8b84cc4f SE |
1500 | |
1501 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
33a3bb4a AQ |
1502 | struct rcu_head rcu; |
1503 | }; | |
1504 | ||
5d2c05b2 AQ |
1505 | /** |
1506 | * struct batadv_softif_vlan - per VLAN attributes set | |
5d2c05b2 AQ |
1507 | */ |
1508 | struct batadv_softif_vlan { | |
8b84cc4f | 1509 | /** @bat_priv: pointer to the mesh object */ |
35df3b29 | 1510 | struct batadv_priv *bat_priv; |
8b84cc4f SE |
1511 | |
1512 | /** @vid: VLAN identifier */ | |
5d2c05b2 | 1513 | unsigned short vid; |
8b84cc4f SE |
1514 | |
1515 | /** @kobj: kobject for sysfs vlan subdirectory */ | |
5d2c05b2 | 1516 | struct kobject *kobj; |
8b84cc4f SE |
1517 | |
1518 | /** @ap_isolation: AP isolation state */ | |
b8cbd81d | 1519 | atomic_t ap_isolation; /* boolean */ |
8b84cc4f SE |
1520 | |
1521 | /** @tt: TT private attributes (VLAN specific) */ | |
7ea7b4a1 | 1522 | struct batadv_vlan_tt tt; |
8b84cc4f | 1523 | |
a07369d7 | 1524 | /** @list: list node for &bat_priv.softif_vlan_list */ |
5d2c05b2 | 1525 | struct hlist_node list; |
8b84cc4f SE |
1526 | |
1527 | /** | |
1528 | * @refcount: number of context where this object is currently in use | |
1529 | */ | |
6be4d30c | 1530 | struct kref refcount; |
8b84cc4f SE |
1531 | |
1532 | /** @rcu: struct used for freeing in a RCU-safe manner */ | |
5d2c05b2 AQ |
1533 | struct rcu_head rcu; |
1534 | }; | |
1535 | ||
0da00359 AQ |
1536 | /** |
1537 | * struct batadv_priv_bat_v - B.A.T.M.A.N. V per soft-interface private data | |
0da00359 AQ |
1538 | */ |
1539 | struct batadv_priv_bat_v { | |
8b84cc4f | 1540 | /** @ogm_buff: buffer holding the OGM packet */ |
0da00359 | 1541 | unsigned char *ogm_buff; |
8b84cc4f SE |
1542 | |
1543 | /** @ogm_buff_len: length of the OGM packet buffer */ | |
0da00359 | 1544 | int ogm_buff_len; |
8b84cc4f SE |
1545 | |
1546 | /** @ogm_seqno: OGM sequence number - used to identify each OGM */ | |
0da00359 | 1547 | atomic_t ogm_seqno; |
8b84cc4f | 1548 | |
a8d23cbb SE |
1549 | /** @ogm_buff_mutex: lock protecting ogm_buff and ogm_buff_len */ |
1550 | struct mutex ogm_buff_mutex; | |
1551 | ||
8b84cc4f | 1552 | /** @ogm_wq: workqueue used to schedule OGM transmissions */ |
0da00359 AQ |
1553 | struct delayed_work ogm_wq; |
1554 | }; | |
1555 | ||
88a32c9a ML |
1556 | /** |
1557 | * struct batadv_priv - per mesh interface data | |
88a32c9a | 1558 | */ |
56303d34 | 1559 | struct batadv_priv { |
8b84cc4f SE |
1560 | /** |
1561 | * @mesh_state: current status of the mesh | |
1562 | * (inactive/active/deactivating) | |
1563 | */ | |
c6c8fea2 | 1564 | atomic_t mesh_state; |
8b84cc4f SE |
1565 | |
1566 | /** @soft_iface: net device which holds this struct as private data */ | |
5bc44dc8 | 1567 | struct net_device *soft_iface; |
8b84cc4f SE |
1568 | |
1569 | /** | |
1570 | * @bat_counters: mesh internal traffic statistic counters (see | |
1571 | * batadv_counters) | |
1572 | */ | |
6b5e971a | 1573 | u64 __percpu *bat_counters; /* Per cpu counters */ |
8b84cc4f SE |
1574 | |
1575 | /** | |
1576 | * @aggregated_ogms: bool indicating whether OGM aggregation is enabled | |
1577 | */ | |
88a32c9a | 1578 | atomic_t aggregated_ogms; |
8b84cc4f SE |
1579 | |
1580 | /** @bonding: bool indicating whether traffic bonding is enabled */ | |
88a32c9a | 1581 | atomic_t bonding; |
8b84cc4f SE |
1582 | |
1583 | /** | |
1584 | * @fragmentation: bool indicating whether traffic fragmentation is | |
1585 | * enabled | |
1586 | */ | |
88a32c9a | 1587 | atomic_t fragmentation; |
8b84cc4f SE |
1588 | |
1589 | /** | |
1590 | * @packet_size_max: max packet size that can be transmitted via | |
1591 | * multiple fragmented skbs or a single frame if fragmentation is | |
1592 | * disabled | |
1593 | */ | |
a19d3d85 | 1594 | atomic_t packet_size_max; |
8b84cc4f SE |
1595 | |
1596 | /** | |
1597 | * @frag_seqno: incremental counter to identify chains of egress | |
1598 | * fragments | |
1599 | */ | |
ee75ed88 | 1600 | atomic_t frag_seqno; |
8b84cc4f | 1601 | |
fa706554 | 1602 | #ifdef CONFIG_BATMAN_ADV_BLA |
8b84cc4f SE |
1603 | /** |
1604 | * @bridge_loop_avoidance: bool indicating whether bridge loop | |
1605 | * avoidance is enabled | |
1606 | */ | |
88a32c9a | 1607 | atomic_t bridge_loop_avoidance; |
fa706554 | 1608 | #endif |
8b84cc4f | 1609 | |
33af49ad | 1610 | #ifdef CONFIG_BATMAN_ADV_DAT |
8b84cc4f SE |
1611 | /** |
1612 | * @distributed_arp_table: bool indicating whether distributed ARP table | |
1613 | * is enabled | |
1614 | */ | |
88a32c9a | 1615 | atomic_t distributed_arp_table; |
1d8ab8d3 | 1616 | #endif |
8b84cc4f | 1617 | |
1d8ab8d3 | 1618 | #ifdef CONFIG_BATMAN_ADV_MCAST |
8b84cc4f SE |
1619 | /** |
1620 | * @multicast_mode: Enable or disable multicast optimizations on this | |
1621 | * node's sender/originating side | |
1622 | */ | |
1d8ab8d3 | 1623 | atomic_t multicast_mode; |
32e72744 LL |
1624 | |
1625 | /** | |
1626 | * @multicast_fanout: Maximum number of packet copies to generate for a | |
1627 | * multicast-to-unicast conversion | |
1628 | */ | |
1629 | atomic_t multicast_fanout; | |
33af49ad | 1630 | #endif |
8b84cc4f SE |
1631 | |
1632 | /** @orig_interval: OGM broadcast interval in milliseconds */ | |
88a32c9a | 1633 | atomic_t orig_interval; |
8b84cc4f SE |
1634 | |
1635 | /** | |
1636 | * @hop_penalty: penalty which will be applied to an OGM's tq-field on | |
1637 | * every hop | |
1638 | */ | |
88a32c9a | 1639 | atomic_t hop_penalty; |
8b84cc4f | 1640 | |
0c430d0d | 1641 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
8b84cc4f | 1642 | /** @log_level: configured log level (see batadv_dbg_level) */ |
88a32c9a | 1643 | atomic_t log_level; |
0c430d0d | 1644 | #endif |
8b84cc4f SE |
1645 | |
1646 | /** | |
1647 | * @isolation_mark: the skb->mark value used to match packets for AP | |
1648 | * isolation | |
1649 | */ | |
6b5e971a | 1650 | u32 isolation_mark; |
8b84cc4f SE |
1651 | |
1652 | /** | |
1653 | * @isolation_mark_mask: bitmask identifying the bits in skb->mark to be | |
1654 | * used for the isolation mark | |
1655 | */ | |
6b5e971a | 1656 | u32 isolation_mark_mask; |
8b84cc4f SE |
1657 | |
1658 | /** @bcast_seqno: last sent broadcast packet sequence number */ | |
c6c8fea2 | 1659 | atomic_t bcast_seqno; |
8b84cc4f SE |
1660 | |
1661 | /** | |
1662 | * @bcast_queue_left: number of remaining buffered broadcast packet | |
1663 | * slots | |
1664 | */ | |
c6c8fea2 | 1665 | atomic_t bcast_queue_left; |
8b84cc4f SE |
1666 | |
1667 | /** @batman_queue_left: number of remaining OGM packet slots */ | |
c6c8fea2 | 1668 | atomic_t batman_queue_left; |
8b84cc4f | 1669 | |
8b84cc4f | 1670 | /** @mesh_obj: kobject for sysfs mesh subdirectory */ |
c6c8fea2 | 1671 | struct kobject *mesh_obj; |
8b84cc4f | 1672 | |
dc06338d | 1673 | #ifdef CONFIG_BATMAN_ADV_DEBUGFS |
8b84cc4f | 1674 | /** @debug_dir: dentry for debugfs batman-adv subdirectory */ |
c6c8fea2 | 1675 | struct dentry *debug_dir; |
dc06338d | 1676 | #endif |
8b84cc4f SE |
1677 | |
1678 | /** @forw_bat_list: list of aggregated OGMs that will be forwarded */ | |
c6c8fea2 | 1679 | struct hlist_head forw_bat_list; |
8b84cc4f SE |
1680 | |
1681 | /** | |
1682 | * @forw_bcast_list: list of broadcast packets that will be | |
1683 | * rebroadcasted | |
1684 | */ | |
c6c8fea2 | 1685 | struct hlist_head forw_bcast_list; |
8b84cc4f SE |
1686 | |
1687 | /** @tp_list: list of tp sessions */ | |
33a3bb4a | 1688 | struct hlist_head tp_list; |
8b84cc4f SE |
1689 | |
1690 | /** @tp_num: number of currently active tp sessions */ | |
5bf74e9c | 1691 | struct batadv_hashtable *orig_hash; |
8b84cc4f SE |
1692 | |
1693 | /** @orig_hash: hash table containing mesh participants (orig nodes) */ | |
1694 | spinlock_t forw_bat_list_lock; | |
1695 | ||
1696 | /** @forw_bat_list_lock: lock protecting forw_bat_list */ | |
1697 | spinlock_t forw_bcast_list_lock; | |
1698 | ||
1699 | /** @forw_bcast_list_lock: lock protecting forw_bcast_list */ | |
1700 | spinlock_t tp_list_lock; | |
1701 | ||
1702 | /** @tp_list_lock: spinlock protecting @tp_list */ | |
33a3bb4a | 1703 | atomic_t tp_num; |
8b84cc4f SE |
1704 | |
1705 | /** @orig_work: work queue callback item for orig node purging */ | |
c6c8fea2 | 1706 | struct delayed_work orig_work; |
8b84cc4f SE |
1707 | |
1708 | /** | |
1709 | * @primary_if: one of the hard-interfaces assigned to this mesh | |
1710 | * interface becomes the primary interface | |
1711 | */ | |
56303d34 | 1712 | struct batadv_hard_iface __rcu *primary_if; /* rcu protected pointer */ |
8b84cc4f SE |
1713 | |
1714 | /** @algo_ops: routing algorithm used by this mesh interface */ | |
29824a55 | 1715 | struct batadv_algo_ops *algo_ops; |
8b84cc4f SE |
1716 | |
1717 | /** | |
1718 | * @softif_vlan_list: a list of softif_vlan structs, one per VLAN | |
1719 | * created on top of the mesh interface represented by this object | |
1720 | */ | |
5d2c05b2 | 1721 | struct hlist_head softif_vlan_list; |
8b84cc4f SE |
1722 | |
1723 | /** @softif_vlan_list_lock: lock protecting softif_vlan_list */ | |
1724 | spinlock_t softif_vlan_list_lock; | |
1725 | ||
807736f6 | 1726 | #ifdef CONFIG_BATMAN_ADV_BLA |
bccb48c8 | 1727 | /** @bla: bridge loop avoidance data */ |
807736f6 | 1728 | struct batadv_priv_bla bla; |
0abf5d81 | 1729 | #endif |
8b84cc4f | 1730 | |
0abf5d81 | 1731 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
8b84cc4f | 1732 | /** @debug_log: holding debug logging relevant data */ |
0abf5d81 | 1733 | struct batadv_priv_debug_log *debug_log; |
807736f6 | 1734 | #endif |
8b84cc4f SE |
1735 | |
1736 | /** @gw: gateway data */ | |
807736f6 | 1737 | struct batadv_priv_gw gw; |
8b84cc4f SE |
1738 | |
1739 | /** @tt: translation table data */ | |
807736f6 | 1740 | struct batadv_priv_tt tt; |
8b84cc4f SE |
1741 | |
1742 | /** @tvlv: type-version-length-value data */ | |
ef261577 | 1743 | struct batadv_priv_tvlv tvlv; |
8b84cc4f | 1744 | |
17224474 | 1745 | #ifdef CONFIG_BATMAN_ADV_DAT |
8b84cc4f | 1746 | /** @dat: distributed arp table data */ |
785ea114 | 1747 | struct batadv_priv_dat dat; |
17224474 | 1748 | #endif |
8b84cc4f | 1749 | |
c5caf4ef | 1750 | #ifdef CONFIG_BATMAN_ADV_MCAST |
8b84cc4f | 1751 | /** @mcast: multicast data */ |
c5caf4ef LL |
1752 | struct batadv_priv_mcast mcast; |
1753 | #endif | |
8b84cc4f | 1754 | |
d353d8d4 | 1755 | #ifdef CONFIG_BATMAN_ADV_NC |
8b84cc4f SE |
1756 | /** |
1757 | * @network_coding: bool indicating whether network coding is enabled | |
1758 | */ | |
d353d8d4 | 1759 | atomic_t network_coding; |
8b84cc4f SE |
1760 | |
1761 | /** @nc: network coding data */ | |
d353d8d4 MH |
1762 | struct batadv_priv_nc nc; |
1763 | #endif /* CONFIG_BATMAN_ADV_NC */ | |
8b84cc4f | 1764 | |
0da00359 | 1765 | #ifdef CONFIG_BATMAN_ADV_BATMAN_V |
8b84cc4f | 1766 | /** @bat_v: B.A.T.M.A.N. V per soft-interface private data */ |
0da00359 AQ |
1767 | struct batadv_priv_bat_v bat_v; |
1768 | #endif | |
c6c8fea2 SE |
1769 | }; |
1770 | ||
88a32c9a ML |
1771 | /** |
1772 | * struct batadv_socket_client - layer2 icmp socket client data | |
88a32c9a | 1773 | */ |
56303d34 | 1774 | struct batadv_socket_client { |
8b84cc4f SE |
1775 | /** |
1776 | * @queue_list: packet queue for packets destined for this socket client | |
1777 | */ | |
c6c8fea2 | 1778 | struct list_head queue_list; |
8b84cc4f SE |
1779 | |
1780 | /** @queue_len: number of packets in the packet queue (queue_list) */ | |
c6c8fea2 | 1781 | unsigned int queue_len; |
8b84cc4f SE |
1782 | |
1783 | /** @index: socket client's index in the batadv_socket_client_hash */ | |
c6c8fea2 | 1784 | unsigned char index; |
8b84cc4f SE |
1785 | |
1786 | /** @lock: lock protecting queue_list, queue_len & index */ | |
1787 | spinlock_t lock; | |
1788 | ||
1789 | /** @queue_wait: socket client's wait queue */ | |
c6c8fea2 | 1790 | wait_queue_head_t queue_wait; |
8b84cc4f SE |
1791 | |
1792 | /** @bat_priv: pointer to soft_iface this client belongs to */ | |
56303d34 | 1793 | struct batadv_priv *bat_priv; |
c6c8fea2 SE |
1794 | }; |
1795 | ||
88a32c9a ML |
1796 | /** |
1797 | * struct batadv_socket_packet - layer2 icmp packet for socket client | |
88a32c9a | 1798 | */ |
56303d34 | 1799 | struct batadv_socket_packet { |
a07369d7 | 1800 | /** @list: list node for &batadv_socket_client.queue_list */ |
c6c8fea2 | 1801 | struct list_head list; |
8b84cc4f SE |
1802 | |
1803 | /** @icmp_len: size of the layer2 icmp packet */ | |
c6c8fea2 | 1804 | size_t icmp_len; |
8b84cc4f SE |
1805 | |
1806 | /** @icmp_packet: layer2 icmp packet */ | |
6b5e971a | 1807 | u8 icmp_packet[BATADV_ICMP_MAX_PACKET_SIZE]; |
c6c8fea2 SE |
1808 | }; |
1809 | ||
426fc6c8 SE |
1810 | #ifdef CONFIG_BATMAN_ADV_BLA |
1811 | ||
88a32c9a ML |
1812 | /** |
1813 | * struct batadv_bla_backbone_gw - batman-adv gateway bridged into the LAN | |
88a32c9a | 1814 | */ |
bae98774 | 1815 | struct batadv_bla_backbone_gw { |
8b84cc4f SE |
1816 | /** |
1817 | * @orig: originator address of backbone node (mac address of primary | |
1818 | * iface) | |
1819 | */ | |
6b5e971a | 1820 | u8 orig[ETH_ALEN]; |
8b84cc4f SE |
1821 | |
1822 | /** @vid: vlan id this gateway was detected on */ | |
eb2deb6b | 1823 | unsigned short vid; |
8b84cc4f | 1824 | |
a07369d7 | 1825 | /** @hash_entry: hlist node for &batadv_priv_bla.backbone_hash */ |
2006fea8 | 1826 | struct hlist_node hash_entry; |
8b84cc4f SE |
1827 | |
1828 | /** @bat_priv: pointer to soft_iface this backbone gateway belongs to */ | |
2006fea8 | 1829 | struct batadv_priv *bat_priv; |
8b84cc4f SE |
1830 | |
1831 | /** @lasttime: last time we heard of this backbone gw */ | |
88a32c9a | 1832 | unsigned long lasttime; |
8b84cc4f SE |
1833 | |
1834 | /** | |
1835 | * @wait_periods: grace time for bridge forward delays and bla group | |
1836 | * forming at bootup phase - no bcast traffic is formwared until it has | |
1837 | * elapsed | |
1838 | */ | |
2006fea8 | 1839 | atomic_t wait_periods; |
8b84cc4f SE |
1840 | |
1841 | /** | |
1842 | * @request_sent: if this bool is set to true we are out of sync with | |
1843 | * this backbone gateway - no bcast traffic is formwared until the | |
1844 | * situation was resolved | |
1845 | */ | |
2006fea8 | 1846 | atomic_t request_sent; |
8b84cc4f SE |
1847 | |
1848 | /** @crc: crc16 checksum over all claims */ | |
6b5e971a | 1849 | u16 crc; |
8b84cc4f SE |
1850 | |
1851 | /** @crc_lock: lock protecting crc */ | |
1852 | spinlock_t crc_lock; | |
1853 | ||
1854 | /** @report_work: work struct for reporting detected loops */ | |
cd9c7bfb | 1855 | struct work_struct report_work; |
8b84cc4f SE |
1856 | |
1857 | /** @refcount: number of contexts the object is used */ | |
06e56ded | 1858 | struct kref refcount; |
8b84cc4f SE |
1859 | |
1860 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
2006fea8 | 1861 | struct rcu_head rcu; |
2006fea8 ML |
1862 | }; |
1863 | ||
88a32c9a ML |
1864 | /** |
1865 | * struct batadv_bla_claim - claimed non-mesh client structure | |
88a32c9a | 1866 | */ |
712bbfe4 | 1867 | struct batadv_bla_claim { |
8b84cc4f | 1868 | /** @addr: mac address of claimed non-mesh client */ |
6b5e971a | 1869 | u8 addr[ETH_ALEN]; |
8b84cc4f SE |
1870 | |
1871 | /** @vid: vlan id this client was detected on */ | |
eb2deb6b | 1872 | unsigned short vid; |
8b84cc4f SE |
1873 | |
1874 | /** @backbone_gw: pointer to backbone gw claiming this client */ | |
bae98774 | 1875 | struct batadv_bla_backbone_gw *backbone_gw; |
8b84cc4f SE |
1876 | |
1877 | /** @backbone_lock: lock protecting backbone_gw pointer */ | |
1878 | spinlock_t backbone_lock; | |
1879 | ||
1880 | /** @lasttime: last time we heard of claim (locals only) */ | |
88a32c9a | 1881 | unsigned long lasttime; |
8b84cc4f | 1882 | |
a07369d7 | 1883 | /** @hash_entry: hlist node for &batadv_priv_bla.claim_hash */ |
88a32c9a | 1884 | struct hlist_node hash_entry; |
8b84cc4f SE |
1885 | |
1886 | /** @refcount: number of contexts the object is used */ | |
2006fea8 | 1887 | struct rcu_head rcu; |
8b84cc4f SE |
1888 | |
1889 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
71b7e3d3 | 1890 | struct kref refcount; |
2006fea8 ML |
1891 | }; |
1892 | #endif | |
1893 | ||
88a32c9a ML |
1894 | /** |
1895 | * struct batadv_tt_common_entry - tt local & tt global common data | |
88a32c9a | 1896 | */ |
56303d34 | 1897 | struct batadv_tt_common_entry { |
8b84cc4f | 1898 | /** @addr: mac address of non-mesh client */ |
6b5e971a | 1899 | u8 addr[ETH_ALEN]; |
8b84cc4f SE |
1900 | |
1901 | /** @vid: VLAN identifier */ | |
c018ad3d | 1902 | unsigned short vid; |
8b84cc4f SE |
1903 | |
1904 | /** | |
a07369d7 SE |
1905 | * @hash_entry: hlist node for &batadv_priv_tt.local_hash or for |
1906 | * &batadv_priv_tt.global_hash | |
8b84cc4f | 1907 | */ |
93840ac4 | 1908 | struct hlist_node hash_entry; |
8b84cc4f SE |
1909 | |
1910 | /** @flags: various state handling flags (see batadv_tt_client_flags) */ | |
6b5e971a | 1911 | u16 flags; |
8b84cc4f SE |
1912 | |
1913 | /** @added_at: timestamp used for purging stale tt common entries */ | |
30cfd02b | 1914 | unsigned long added_at; |
8b84cc4f SE |
1915 | |
1916 | /** @refcount: number of contexts the object is used */ | |
92dcdf09 | 1917 | struct kref refcount; |
8b84cc4f SE |
1918 | |
1919 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
7683fdc1 | 1920 | struct rcu_head rcu; |
c6c8fea2 SE |
1921 | }; |
1922 | ||
88a32c9a ML |
1923 | /** |
1924 | * struct batadv_tt_local_entry - translation table local entry data | |
88a32c9a | 1925 | */ |
56303d34 | 1926 | struct batadv_tt_local_entry { |
8b84cc4f | 1927 | /** @common: general translation table data */ |
56303d34 | 1928 | struct batadv_tt_common_entry common; |
8b84cc4f SE |
1929 | |
1930 | /** @last_seen: timestamp used for purging stale tt local entries */ | |
48100bac | 1931 | unsigned long last_seen; |
8b84cc4f SE |
1932 | |
1933 | /** @vlan: soft-interface vlan of the entry */ | |
a33d970d | 1934 | struct batadv_softif_vlan *vlan; |
48100bac AQ |
1935 | }; |
1936 | ||
88a32c9a ML |
1937 | /** |
1938 | * struct batadv_tt_global_entry - translation table global entry data | |
88a32c9a | 1939 | */ |
56303d34 | 1940 | struct batadv_tt_global_entry { |
8b84cc4f | 1941 | /** @common: general translation table data */ |
56303d34 | 1942 | struct batadv_tt_common_entry common; |
8b84cc4f SE |
1943 | |
1944 | /** @orig_list: list of orig nodes announcing this non-mesh client */ | |
db08e6e5 | 1945 | struct hlist_head orig_list; |
8b84cc4f SE |
1946 | |
1947 | /** @orig_list_count: number of items in the orig_list */ | |
1d8ab8d3 | 1948 | atomic_t orig_list_count; |
8b84cc4f SE |
1949 | |
1950 | /** @list_lock: lock protecting orig_list */ | |
1951 | spinlock_t list_lock; | |
1952 | ||
1953 | /** @roam_at: time at which TT_GLOBAL_ROAM was set */ | |
88a32c9a | 1954 | unsigned long roam_at; |
db08e6e5 SW |
1955 | }; |
1956 | ||
88a32c9a ML |
1957 | /** |
1958 | * struct batadv_tt_orig_list_entry - orig node announcing a non-mesh client | |
88a32c9a | 1959 | */ |
56303d34 | 1960 | struct batadv_tt_orig_list_entry { |
8b84cc4f | 1961 | /** @orig_node: pointer to orig node announcing this non-mesh client */ |
56303d34 | 1962 | struct batadv_orig_node *orig_node; |
8b84cc4f SE |
1963 | |
1964 | /** | |
1965 | * @ttvn: translation table version number which added the non-mesh | |
1966 | * client | |
1967 | */ | |
6b5e971a | 1968 | u8 ttvn; |
8b84cc4f SE |
1969 | |
1970 | /** @flags: per orig entry TT sync flags */ | |
54e22f26 | 1971 | u8 flags; |
8b84cc4f | 1972 | |
a07369d7 | 1973 | /** @list: list node for &batadv_tt_global_entry.orig_list */ |
88a32c9a | 1974 | struct hlist_node list; |
8b84cc4f SE |
1975 | |
1976 | /** @refcount: number of contexts the object is used */ | |
6e8ef69d | 1977 | struct kref refcount; |
8b84cc4f SE |
1978 | |
1979 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
db08e6e5 | 1980 | struct rcu_head rcu; |
c6c8fea2 SE |
1981 | }; |
1982 | ||
88a32c9a | 1983 | /** |
3f68785e | 1984 | * struct batadv_tt_change_node - structure for tt changes occurred |
88a32c9a | 1985 | */ |
56303d34 | 1986 | struct batadv_tt_change_node { |
a07369d7 | 1987 | /** @list: list node for &batadv_priv_tt.changes_list */ |
a73105b8 | 1988 | struct list_head list; |
8b84cc4f SE |
1989 | |
1990 | /** @change: holds the actual translation table diff data */ | |
e1bf0c14 | 1991 | struct batadv_tvlv_tt_change change; |
a73105b8 AQ |
1992 | }; |
1993 | ||
88a32c9a ML |
1994 | /** |
1995 | * struct batadv_tt_req_node - data to keep track of the tt requests in flight | |
88a32c9a | 1996 | */ |
56303d34 | 1997 | struct batadv_tt_req_node { |
8b84cc4f | 1998 | /** |
6f5b92a7 | 1999 | * @addr: mac address of the originator this request was sent to |
8b84cc4f | 2000 | */ |
6b5e971a | 2001 | u8 addr[ETH_ALEN]; |
8b84cc4f SE |
2002 | |
2003 | /** @issued_at: timestamp used for purging stale tt requests */ | |
a73105b8 | 2004 | unsigned long issued_at; |
8b84cc4f SE |
2005 | |
2006 | /** @refcount: number of contexts the object is used by */ | |
9c4604a2 | 2007 | struct kref refcount; |
8b84cc4f | 2008 | |
a07369d7 | 2009 | /** @list: list node for &batadv_priv_tt.req_list */ |
7c26a53b | 2010 | struct hlist_node list; |
a73105b8 AQ |
2011 | }; |
2012 | ||
88a32c9a ML |
2013 | /** |
2014 | * struct batadv_tt_roam_node - roaming client data | |
88a32c9a | 2015 | */ |
56303d34 | 2016 | struct batadv_tt_roam_node { |
8b84cc4f | 2017 | /** @addr: mac address of the client in the roaming phase */ |
6b5e971a | 2018 | u8 addr[ETH_ALEN]; |
8b84cc4f SE |
2019 | |
2020 | /** | |
2021 | * @counter: number of allowed roaming events per client within a single | |
2022 | * OGM interval (changes are committed with each OGM) | |
2023 | */ | |
cc47f66e | 2024 | atomic_t counter; |
8b84cc4f SE |
2025 | |
2026 | /** | |
2027 | * @first_time: timestamp used for purging stale roaming node entries | |
2028 | */ | |
cc47f66e | 2029 | unsigned long first_time; |
8b84cc4f | 2030 | |
a07369d7 | 2031 | /** @list: list node for &batadv_priv_tt.roam_list */ |
cc47f66e AQ |
2032 | struct list_head list; |
2033 | }; | |
2034 | ||
d56b1705 MH |
2035 | /** |
2036 | * struct batadv_nc_node - network coding node | |
d56b1705 MH |
2037 | */ |
2038 | struct batadv_nc_node { | |
8b84cc4f | 2039 | /** @list: next and prev pointer for the list handling */ |
d56b1705 | 2040 | struct list_head list; |
8b84cc4f SE |
2041 | |
2042 | /** @addr: the node's mac address */ | |
6b5e971a | 2043 | u8 addr[ETH_ALEN]; |
8b84cc4f SE |
2044 | |
2045 | /** @refcount: number of contexts the object is used by */ | |
daf99b48 | 2046 | struct kref refcount; |
8b84cc4f SE |
2047 | |
2048 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
d56b1705 | 2049 | struct rcu_head rcu; |
8b84cc4f SE |
2050 | |
2051 | /** @orig_node: pointer to corresponding orig node struct */ | |
d56b1705 | 2052 | struct batadv_orig_node *orig_node; |
8b84cc4f SE |
2053 | |
2054 | /** @last_seen: timestamp of last ogm received from this node */ | |
d56b1705 MH |
2055 | unsigned long last_seen; |
2056 | }; | |
2057 | ||
95332477 MH |
2058 | /** |
2059 | * struct batadv_nc_path - network coding path | |
95332477 MH |
2060 | */ |
2061 | struct batadv_nc_path { | |
8b84cc4f | 2062 | /** @hash_entry: next and prev pointer for the list handling */ |
95332477 | 2063 | struct hlist_node hash_entry; |
8b84cc4f SE |
2064 | |
2065 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
95332477 | 2066 | struct rcu_head rcu; |
8b84cc4f SE |
2067 | |
2068 | /** @refcount: number of contexts the object is used by */ | |
727e0cd5 | 2069 | struct kref refcount; |
8b84cc4f SE |
2070 | |
2071 | /** @packet_list: list of buffered packets for this path */ | |
95332477 | 2072 | struct list_head packet_list; |
8b84cc4f SE |
2073 | |
2074 | /** @packet_list_lock: access lock for packet list */ | |
2075 | spinlock_t packet_list_lock; | |
2076 | ||
2077 | /** @next_hop: next hop (destination) of path */ | |
6b5e971a | 2078 | u8 next_hop[ETH_ALEN]; |
8b84cc4f SE |
2079 | |
2080 | /** @prev_hop: previous hop (source) of path */ | |
6b5e971a | 2081 | u8 prev_hop[ETH_ALEN]; |
8b84cc4f SE |
2082 | |
2083 | /** @last_valid: timestamp for last validation of path */ | |
95332477 MH |
2084 | unsigned long last_valid; |
2085 | }; | |
2086 | ||
2087 | /** | |
2088 | * struct batadv_nc_packet - network coding packet used when coding and | |
2089 | * decoding packets | |
95332477 MH |
2090 | */ |
2091 | struct batadv_nc_packet { | |
8b84cc4f | 2092 | /** @list: next and prev pointer for the list handling */ |
95332477 | 2093 | struct list_head list; |
8b84cc4f SE |
2094 | |
2095 | /** @packet_id: crc32 checksum of skb data */ | |
95332477 | 2096 | __be32 packet_id; |
8b84cc4f SE |
2097 | |
2098 | /** | |
2099 | * @timestamp: field containing the info when the packet was added to | |
2100 | * path | |
2101 | */ | |
95332477 | 2102 | unsigned long timestamp; |
8b84cc4f SE |
2103 | |
2104 | /** @neigh_node: pointer to original next hop neighbor of skb */ | |
95332477 | 2105 | struct batadv_neigh_node *neigh_node; |
8b84cc4f SE |
2106 | |
2107 | /** @skb: skb which can be encoded or used for decoding */ | |
95332477 | 2108 | struct sk_buff *skb; |
8b84cc4f SE |
2109 | |
2110 | /** @nc_path: pointer to path this nc packet is attached to */ | |
95332477 MH |
2111 | struct batadv_nc_path *nc_path; |
2112 | }; | |
2113 | ||
3c12de9a | 2114 | /** |
1a321b0d SW |
2115 | * struct batadv_skb_cb - control buffer structure used to store private data |
2116 | * relevant to batman-adv in the skb->cb buffer in skbs. | |
3c12de9a MH |
2117 | */ |
2118 | struct batadv_skb_cb { | |
8b84cc4f SE |
2119 | /** |
2120 | * @decoded: Marks a skb as decoded, which is checked when searching for | |
2121 | * coding opportunities in network-coding.c | |
2122 | */ | |
6486379d | 2123 | unsigned char decoded:1; |
8b84cc4f SE |
2124 | |
2125 | /** @num_bcasts: Counter for broadcast packet retransmissions */ | |
6486379d | 2126 | unsigned char num_bcasts; |
3c12de9a MH |
2127 | }; |
2128 | ||
88a32c9a ML |
2129 | /** |
2130 | * struct batadv_forw_packet - structure for bcast packets to be sent/forwarded | |
c6c8fea2 | 2131 | */ |
56303d34 | 2132 | struct batadv_forw_packet { |
a07369d7 SE |
2133 | /** |
2134 | * @list: list node for &batadv_priv.forw.bcast_list and | |
2135 | * &batadv_priv.forw.bat_list | |
2136 | */ | |
c6c8fea2 | 2137 | struct hlist_node list; |
8b84cc4f SE |
2138 | |
2139 | /** @cleanup_list: list node for purging functions */ | |
9b4aec64 | 2140 | struct hlist_node cleanup_list; |
8b84cc4f SE |
2141 | |
2142 | /** @send_time: execution time for delayed_work (packet sending) */ | |
c6c8fea2 | 2143 | unsigned long send_time; |
8b84cc4f SE |
2144 | |
2145 | /** | |
2146 | * @own: bool for locally generated packets (local OGMs are re-scheduled | |
2147 | * after sending) | |
2148 | */ | |
6b5e971a | 2149 | u8 own; |
8b84cc4f SE |
2150 | |
2151 | /** @skb: bcast packet's skb buffer */ | |
c6c8fea2 | 2152 | struct sk_buff *skb; |
8b84cc4f SE |
2153 | |
2154 | /** @packet_len: size of aggregated OGM packet inside the skb buffer */ | |
6b5e971a | 2155 | u16 packet_len; |
8b84cc4f SE |
2156 | |
2157 | /** @direct_link_flags: direct link flags for aggregated OGM packets */ | |
6b5e971a | 2158 | u32 direct_link_flags; |
8b84cc4f SE |
2159 | |
2160 | /** @num_packets: counter for aggregated OGMv1 packets */ | |
6b5e971a | 2161 | u8 num_packets; |
8b84cc4f SE |
2162 | |
2163 | /** @delayed_work: work queue callback item for packet sending */ | |
c6c8fea2 | 2164 | struct delayed_work delayed_work; |
8b84cc4f SE |
2165 | |
2166 | /** | |
2167 | * @if_incoming: pointer to incoming hard-iface or primary iface if | |
2168 | * locally generated packet | |
2169 | */ | |
56303d34 | 2170 | struct batadv_hard_iface *if_incoming; |
8b84cc4f SE |
2171 | |
2172 | /** | |
2173 | * @if_outgoing: packet where the packet should be sent to, or NULL if | |
2174 | * unspecified | |
2175 | */ | |
ef0a937f | 2176 | struct batadv_hard_iface *if_outgoing; |
8b84cc4f SE |
2177 | |
2178 | /** @queue_left: The queue (counter) this packet was applied to */ | |
a65e5481 | 2179 | atomic_t *queue_left; |
c6c8fea2 SE |
2180 | }; |
2181 | ||
29824a55 AQ |
2182 | /** |
2183 | * struct batadv_algo_iface_ops - mesh algorithm callbacks (interface specific) | |
29824a55 AQ |
2184 | */ |
2185 | struct batadv_algo_iface_ops { | |
8b84cc4f SE |
2186 | /** |
2187 | * @activate: start routing mechanisms when hard-interface is brought up | |
2188 | * (optional) | |
2189 | */ | |
29824a55 | 2190 | void (*activate)(struct batadv_hard_iface *hard_iface); |
8b84cc4f SE |
2191 | |
2192 | /** @enable: init routing info when hard-interface is enabled */ | |
29824a55 | 2193 | int (*enable)(struct batadv_hard_iface *hard_iface); |
8b84cc4f | 2194 | |
9e6b5648 SE |
2195 | /** @enabled: notification when hard-interface was enabled (optional) */ |
2196 | void (*enabled)(struct batadv_hard_iface *hard_iface); | |
2197 | ||
8b84cc4f | 2198 | /** @disable: de-init routing info when hard-interface is disabled */ |
29824a55 | 2199 | void (*disable)(struct batadv_hard_iface *hard_iface); |
8b84cc4f SE |
2200 | |
2201 | /** | |
2202 | * @update_mac: (re-)init mac addresses of the protocol information | |
2203 | * belonging to this hard-interface | |
2204 | */ | |
29824a55 | 2205 | void (*update_mac)(struct batadv_hard_iface *hard_iface); |
8b84cc4f SE |
2206 | |
2207 | /** @primary_set: called when primary interface is selected / changed */ | |
29824a55 AQ |
2208 | void (*primary_set)(struct batadv_hard_iface *hard_iface); |
2209 | }; | |
2210 | ||
2211 | /** | |
2212 | * struct batadv_algo_neigh_ops - mesh algorithm callbacks (neighbour specific) | |
29824a55 AQ |
2213 | */ |
2214 | struct batadv_algo_neigh_ops { | |
8b84cc4f | 2215 | /** @hardif_init: called on creation of single hop entry (optional) */ |
29824a55 | 2216 | void (*hardif_init)(struct batadv_hardif_neigh_node *neigh); |
8b84cc4f SE |
2217 | |
2218 | /** | |
2219 | * @cmp: compare the metrics of two neighbors for their respective | |
2220 | * outgoing interfaces | |
2221 | */ | |
29824a55 AQ |
2222 | int (*cmp)(struct batadv_neigh_node *neigh1, |
2223 | struct batadv_hard_iface *if_outgoing1, | |
2224 | struct batadv_neigh_node *neigh2, | |
2225 | struct batadv_hard_iface *if_outgoing2); | |
8b84cc4f SE |
2226 | |
2227 | /** | |
2228 | * @is_similar_or_better: check if neigh1 is equally similar or better | |
2229 | * than neigh2 for their respective outgoing interface from the metric | |
2230 | * prospective | |
2231 | */ | |
29824a55 AQ |
2232 | bool (*is_similar_or_better)(struct batadv_neigh_node *neigh1, |
2233 | struct batadv_hard_iface *if_outgoing1, | |
2234 | struct batadv_neigh_node *neigh2, | |
2235 | struct batadv_hard_iface *if_outgoing2); | |
8b84cc4f | 2236 | |
dc1cbd14 | 2237 | #ifdef CONFIG_BATMAN_ADV_DEBUGFS |
8b84cc4f | 2238 | /** @print: print the single hop neighbor list (optional) */ |
29824a55 | 2239 | void (*print)(struct batadv_priv *priv, struct seq_file *seq); |
dc1cbd14 | 2240 | #endif |
8b84cc4f SE |
2241 | |
2242 | /** @dump: dump neighbors to a netlink socket (optional) */ | |
85cf8c85 MS |
2243 | void (*dump)(struct sk_buff *msg, struct netlink_callback *cb, |
2244 | struct batadv_priv *priv, | |
2245 | struct batadv_hard_iface *hard_iface); | |
29824a55 AQ |
2246 | }; |
2247 | ||
2248 | /** | |
2249 | * struct batadv_algo_orig_ops - mesh algorithm callbacks (originator specific) | |
29824a55 AQ |
2250 | */ |
2251 | struct batadv_algo_orig_ops { | |
dc1cbd14 | 2252 | #ifdef CONFIG_BATMAN_ADV_DEBUGFS |
8b84cc4f | 2253 | /** @print: print the originator table (optional) */ |
29824a55 AQ |
2254 | void (*print)(struct batadv_priv *priv, struct seq_file *seq, |
2255 | struct batadv_hard_iface *hard_iface); | |
dc1cbd14 | 2256 | #endif |
8b84cc4f SE |
2257 | |
2258 | /** @dump: dump originators to a netlink socket (optional) */ | |
85cf8c85 MS |
2259 | void (*dump)(struct sk_buff *msg, struct netlink_callback *cb, |
2260 | struct batadv_priv *priv, | |
2261 | struct batadv_hard_iface *hard_iface); | |
29824a55 AQ |
2262 | }; |
2263 | ||
08686943 AQ |
2264 | /** |
2265 | * struct batadv_algo_gw_ops - mesh algorithm callbacks (GW specific) | |
08686943 AQ |
2266 | */ |
2267 | struct batadv_algo_gw_ops { | |
8b84cc4f | 2268 | /** @init_sel_class: initialize GW selection class (optional) */ |
1a9070ec | 2269 | void (*init_sel_class)(struct batadv_priv *bat_priv); |
8b84cc4f SE |
2270 | |
2271 | /** | |
2272 | * @store_sel_class: parse and stores a new GW selection class | |
2273 | * (optional) | |
2274 | */ | |
08686943 AQ |
2275 | ssize_t (*store_sel_class)(struct batadv_priv *bat_priv, char *buff, |
2276 | size_t count); | |
8b84cc4f SE |
2277 | |
2278 | /** @show_sel_class: prints the current GW selection class (optional) */ | |
08686943 | 2279 | ssize_t (*show_sel_class)(struct batadv_priv *bat_priv, char *buff); |
8b84cc4f SE |
2280 | |
2281 | /** | |
2282 | * @get_best_gw_node: select the best GW from the list of available | |
2283 | * nodes (optional) | |
2284 | */ | |
34d99cfe AQ |
2285 | struct batadv_gw_node *(*get_best_gw_node) |
2286 | (struct batadv_priv *bat_priv); | |
8b84cc4f SE |
2287 | |
2288 | /** | |
2289 | * @is_eligible: check if a newly discovered GW is a potential candidate | |
2290 | * for the election as best GW (optional) | |
2291 | */ | |
34d99cfe AQ |
2292 | bool (*is_eligible)(struct batadv_priv *bat_priv, |
2293 | struct batadv_orig_node *curr_gw_orig, | |
2294 | struct batadv_orig_node *orig_node); | |
8b84cc4f | 2295 | |
dc1cbd14 | 2296 | #ifdef CONFIG_BATMAN_ADV_DEBUGFS |
8b84cc4f | 2297 | /** @print: print the gateway table (optional) */ |
34d99cfe | 2298 | void (*print)(struct batadv_priv *bat_priv, struct seq_file *seq); |
dc1cbd14 | 2299 | #endif |
8b84cc4f SE |
2300 | |
2301 | /** @dump: dump gateways to a netlink socket (optional) */ | |
d7129daf SE |
2302 | void (*dump)(struct sk_buff *msg, struct netlink_callback *cb, |
2303 | struct batadv_priv *priv); | |
08686943 AQ |
2304 | }; |
2305 | ||
88a32c9a ML |
2306 | /** |
2307 | * struct batadv_algo_ops - mesh algorithm callbacks | |
88a32c9a | 2308 | */ |
56303d34 | 2309 | struct batadv_algo_ops { |
8b84cc4f | 2310 | /** @list: list node for the batadv_algo_list */ |
1c280471 | 2311 | struct hlist_node list; |
8b84cc4f SE |
2312 | |
2313 | /** @name: name of the algorithm */ | |
1c280471 | 2314 | char *name; |
8b84cc4f SE |
2315 | |
2316 | /** @iface: callbacks related to interface handling */ | |
29824a55 | 2317 | struct batadv_algo_iface_ops iface; |
8b84cc4f SE |
2318 | |
2319 | /** @neigh: callbacks related to neighbors handling */ | |
29824a55 | 2320 | struct batadv_algo_neigh_ops neigh; |
8b84cc4f SE |
2321 | |
2322 | /** @orig: callbacks related to originators handling */ | |
29824a55 | 2323 | struct batadv_algo_orig_ops orig; |
8b84cc4f SE |
2324 | |
2325 | /** @gw: callbacks related to GW mode */ | |
08686943 | 2326 | struct batadv_algo_gw_ops gw; |
1c280471 ML |
2327 | }; |
2328 | ||
2f1dfbe1 AQ |
2329 | /** |
2330 | * struct batadv_dat_entry - it is a single entry of batman-adv ARP backend. It | |
2331 | * is used to stored ARP entries needed for the global DAT cache | |
2f1dfbe1 AQ |
2332 | */ |
2333 | struct batadv_dat_entry { | |
8b84cc4f | 2334 | /** @ip: the IPv4 corresponding to this DAT/ARP entry */ |
2f1dfbe1 | 2335 | __be32 ip; |
8b84cc4f SE |
2336 | |
2337 | /** @mac_addr: the MAC address associated to the stored IPv4 */ | |
6b5e971a | 2338 | u8 mac_addr[ETH_ALEN]; |
8b84cc4f SE |
2339 | |
2340 | /** @vid: the vlan ID associated to this entry */ | |
be1db4f6 | 2341 | unsigned short vid; |
8b84cc4f SE |
2342 | |
2343 | /** | |
2344 | * @last_update: time in jiffies when this entry was refreshed last time | |
2345 | */ | |
2f1dfbe1 | 2346 | unsigned long last_update; |
8b84cc4f | 2347 | |
a07369d7 | 2348 | /** @hash_entry: hlist node for &batadv_priv_dat.hash */ |
2f1dfbe1 | 2349 | struct hlist_node hash_entry; |
8b84cc4f SE |
2350 | |
2351 | /** @refcount: number of contexts the object is used */ | |
68a6722c | 2352 | struct kref refcount; |
8b84cc4f SE |
2353 | |
2354 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
2f1dfbe1 AQ |
2355 | struct rcu_head rcu; |
2356 | }; | |
2357 | ||
c5caf4ef LL |
2358 | /** |
2359 | * struct batadv_hw_addr - a list entry for a MAC address | |
c5caf4ef LL |
2360 | */ |
2361 | struct batadv_hw_addr { | |
8b84cc4f | 2362 | /** @list: list node for the linking of entries */ |
c5caf4ef | 2363 | struct hlist_node list; |
8b84cc4f SE |
2364 | |
2365 | /** @addr: the MAC address of this list entry */ | |
c5caf4ef LL |
2366 | unsigned char addr[ETH_ALEN]; |
2367 | }; | |
2368 | ||
785ea114 AQ |
2369 | /** |
2370 | * struct batadv_dat_candidate - candidate destination for DAT operations | |
785ea114 AQ |
2371 | */ |
2372 | struct batadv_dat_candidate { | |
8b84cc4f SE |
2373 | /** |
2374 | * @type: the type of the selected candidate. It can one of the | |
2375 | * following: | |
2376 | * - BATADV_DAT_CANDIDATE_NOT_FOUND | |
2377 | * - BATADV_DAT_CANDIDATE_ORIG | |
2378 | */ | |
785ea114 | 2379 | int type; |
8b84cc4f SE |
2380 | |
2381 | /** | |
2382 | * @orig_node: if type is BATADV_DAT_CANDIDATE_ORIG this field points to | |
2383 | * the corresponding originator node structure | |
2384 | */ | |
785ea114 AQ |
2385 | struct batadv_orig_node *orig_node; |
2386 | }; | |
2387 | ||
ef261577 ML |
2388 | /** |
2389 | * struct batadv_tvlv_container - container for tvlv appended to OGMs | |
ef261577 ML |
2390 | */ |
2391 | struct batadv_tvlv_container { | |
a07369d7 | 2392 | /** @list: hlist node for &batadv_priv_tvlv.container_list */ |
ef261577 | 2393 | struct hlist_node list; |
8b84cc4f SE |
2394 | |
2395 | /** @tvlv_hdr: tvlv header information needed to construct the tvlv */ | |
ef261577 | 2396 | struct batadv_tvlv_hdr tvlv_hdr; |
8b84cc4f SE |
2397 | |
2398 | /** @refcount: number of contexts the object is used */ | |
f7157dd1 | 2399 | struct kref refcount; |
ef261577 ML |
2400 | }; |
2401 | ||
2402 | /** | |
2403 | * struct batadv_tvlv_handler - handler for specific tvlv type and version | |
ef261577 ML |
2404 | */ |
2405 | struct batadv_tvlv_handler { | |
a07369d7 | 2406 | /** @list: hlist node for &batadv_priv_tvlv.handler_list */ |
ef261577 | 2407 | struct hlist_node list; |
8b84cc4f SE |
2408 | |
2409 | /** | |
2410 | * @ogm_handler: handler callback which is given the tvlv payload to | |
2411 | * process on incoming OGM packets | |
2412 | */ | |
ef261577 ML |
2413 | void (*ogm_handler)(struct batadv_priv *bat_priv, |
2414 | struct batadv_orig_node *orig, | |
6b5e971a | 2415 | u8 flags, void *tvlv_value, u16 tvlv_value_len); |
8b84cc4f SE |
2416 | |
2417 | /** | |
2418 | * @unicast_handler: handler callback which is given the tvlv payload to | |
2419 | * process on incoming unicast tvlv packets | |
2420 | */ | |
ef261577 | 2421 | int (*unicast_handler)(struct batadv_priv *bat_priv, |
6b5e971a SE |
2422 | u8 *src, u8 *dst, |
2423 | void *tvlv_value, u16 tvlv_value_len); | |
8b84cc4f SE |
2424 | |
2425 | /** @type: tvlv type this handler feels responsible for */ | |
6b5e971a | 2426 | u8 type; |
8b84cc4f SE |
2427 | |
2428 | /** @version: tvlv version this handler feels responsible for */ | |
6b5e971a | 2429 | u8 version; |
8b84cc4f SE |
2430 | |
2431 | /** @flags: tvlv handler flags */ | |
6b5e971a | 2432 | u8 flags; |
8b84cc4f SE |
2433 | |
2434 | /** @refcount: number of contexts the object is used */ | |
32836f56 | 2435 | struct kref refcount; |
8b84cc4f SE |
2436 | |
2437 | /** @rcu: struct used for freeing in an RCU-safe manner */ | |
ef261577 ML |
2438 | struct rcu_head rcu; |
2439 | }; | |
2440 | ||
2441 | /** | |
2442 | * enum batadv_tvlv_handler_flags - tvlv handler flags definitions | |
ef261577 ML |
2443 | */ |
2444 | enum batadv_tvlv_handler_flags { | |
8b84cc4f SE |
2445 | /** |
2446 | * @BATADV_TVLV_HANDLER_OGM_CIFNOTFND: tvlv ogm processing function | |
2447 | * will call this handler even if its type was not found (with no data) | |
2448 | */ | |
ef261577 | 2449 | BATADV_TVLV_HANDLER_OGM_CIFNOTFND = BIT(1), |
8b84cc4f SE |
2450 | |
2451 | /** | |
2452 | * @BATADV_TVLV_HANDLER_OGM_CALLED: interval tvlv handling flag - the | |
2453 | * API marks a handler as being called, so it won't be called if the | |
2454 | * BATADV_TVLV_HANDLER_OGM_CIFNOTFND flag was set | |
2455 | */ | |
ef261577 ML |
2456 | BATADV_TVLV_HANDLER_OGM_CALLED = BIT(2), |
2457 | }; | |
2458 | ||
77d69d8c SE |
2459 | /** |
2460 | * struct batadv_store_mesh_work - Work queue item to detach add/del interface | |
2461 | * from sysfs locks | |
77d69d8c SE |
2462 | */ |
2463 | struct batadv_store_mesh_work { | |
8b84cc4f SE |
2464 | /** |
2465 | * @net_dev: netdevice to add/remove to/from batman-adv soft-interface | |
2466 | */ | |
77d69d8c | 2467 | struct net_device *net_dev; |
8b84cc4f SE |
2468 | |
2469 | /** @soft_iface_name: name of soft-interface to modify */ | |
77d69d8c | 2470 | char soft_iface_name[IFNAMSIZ]; |
8b84cc4f SE |
2471 | |
2472 | /** @work: work queue item */ | |
77d69d8c SE |
2473 | struct work_struct work; |
2474 | }; | |
2475 | ||
c6c8fea2 | 2476 | #endif /* _NET_BATMAN_ADV_TYPES_H_ */ |