]>
Commit | Line | Data |
---|---|---|
9f6446c7 | 1 | /* Copyright (C) 2007-2015 B.A.T.M.A.N. contributors: |
c6c8fea2 SE |
2 | * |
3 | * Marek Lindner, Simon Wunderlich | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of version 2 of the GNU General Public | |
7 | * License as published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but | |
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
ebf38fb7 | 15 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
c6c8fea2 SE |
16 | */ |
17 | ||
c6c8fea2 SE |
18 | #ifndef _NET_BATMAN_ADV_TYPES_H_ |
19 | #define _NET_BATMAN_ADV_TYPES_H_ | |
20 | ||
21 | #include "packet.h" | |
22 | #include "bitarray.h" | |
c11fdfae | 23 | #include <linux/kernel.h> |
c6c8fea2 | 24 | |
17224474 AQ |
25 | #ifdef CONFIG_BATMAN_ADV_DAT |
26 | ||
151dcb3c AQ |
27 | /** |
28 | * batadv_dat_addr_t - it is the type used for all DHT addresses. If it is | |
29 | * changed, BATADV_DAT_ADDR_MAX is changed as well. | |
785ea114 AQ |
30 | * |
31 | * *Please be careful: batadv_dat_addr_t must be UNSIGNED* | |
32 | */ | |
33 | #define batadv_dat_addr_t uint16_t | |
34 | ||
17224474 AQ |
35 | #endif /* CONFIG_BATMAN_ADV_DAT */ |
36 | ||
6c413b1c AQ |
37 | /** |
38 | * enum batadv_dhcp_recipient - dhcp destination | |
39 | * @BATADV_DHCP_NO: packet is not a dhcp message | |
40 | * @BATADV_DHCP_TO_SERVER: dhcp message is directed to a server | |
41 | * @BATADV_DHCP_TO_CLIENT: dhcp message is directed to a client | |
42 | */ | |
43 | enum batadv_dhcp_recipient { | |
44 | BATADV_DHCP_NO = 0, | |
45 | BATADV_DHCP_TO_SERVER, | |
46 | BATADV_DHCP_TO_CLIENT, | |
47 | }; | |
48 | ||
3c4f7ab6 AQ |
49 | /** |
50 | * BATADV_TT_REMOTE_MASK - bitmask selecting the flags that are sent over the | |
51 | * wire only | |
52 | */ | |
53 | #define BATADV_TT_REMOTE_MASK 0x00FF | |
54 | ||
0eb01568 AQ |
55 | /** |
56 | * BATADV_TT_SYNC_MASK - bitmask of the flags that need to be kept in sync | |
57 | * among the nodes. These flags are used to compute the global/local CRC | |
58 | */ | |
59 | #define BATADV_TT_SYNC_MASK 0x00F0 | |
60 | ||
14511519 ML |
61 | /** |
62 | * struct batadv_hard_iface_bat_iv - per hard interface B.A.T.M.A.N. IV data | |
63 | * @ogm_buff: buffer holding the OGM packet | |
64 | * @ogm_buff_len: length of the OGM packet buffer | |
65 | * @ogm_seqno: OGM sequence number - used to identify each OGM | |
66 | */ | |
67 | struct batadv_hard_iface_bat_iv { | |
68 | unsigned char *ogm_buff; | |
69 | int ogm_buff_len; | |
70 | atomic_t ogm_seqno; | |
71 | }; | |
72 | ||
88a32c9a ML |
73 | /** |
74 | * struct batadv_hard_iface - network device known to batman-adv | |
75 | * @list: list node for batadv_hardif_list | |
76 | * @if_num: identificator of the interface | |
77 | * @if_status: status of the interface for batman-adv | |
78 | * @net_dev: pointer to the net_device | |
caf65bfc | 79 | * @num_bcasts: number of payload re-broadcasts on this interface (ARQ) |
88a32c9a ML |
80 | * @hardif_obj: kobject of the per interface sysfs "mesh" directory |
81 | * @refcount: number of contexts the object is used | |
82 | * @batman_adv_ptype: packet type describing packets that should be processed by | |
83 | * batman-adv for this interface | |
84 | * @soft_iface: the batman-adv interface which uses this network interface | |
85 | * @rcu: struct used for freeing in an RCU-safe manner | |
86 | * @bat_iv: BATMAN IV specific per hard interface data | |
5bc44dc8 | 87 | * @cleanup_work: work queue callback item for hard interface deinit |
5bc7c1eb | 88 | * @debug_dir: dentry for nc subdir in batman-adv directory in debugfs |
88a32c9a | 89 | */ |
56303d34 | 90 | struct batadv_hard_iface { |
c6c8fea2 SE |
91 | struct list_head list; |
92 | int16_t if_num; | |
93 | char if_status; | |
94 | struct net_device *net_dev; | |
caf65bfc | 95 | uint8_t num_bcasts; |
c6c8fea2 | 96 | struct kobject *hardif_obj; |
ed75ccbe | 97 | atomic_t refcount; |
c6c8fea2 SE |
98 | struct packet_type batman_adv_ptype; |
99 | struct net_device *soft_iface; | |
100 | struct rcu_head rcu; | |
14511519 | 101 | struct batadv_hard_iface_bat_iv bat_iv; |
5bc44dc8 | 102 | struct work_struct cleanup_work; |
5bc7c1eb | 103 | struct dentry *debug_dir; |
c6c8fea2 SE |
104 | }; |
105 | ||
7351a482 SW |
106 | /** |
107 | * struct batadv_orig_ifinfo - originator info per outgoing interface | |
108 | * @list: list node for orig_node::ifinfo_list | |
109 | * @if_outgoing: pointer to outgoing hard interface | |
110 | * @router: router that should be used to reach this originator | |
111 | * @last_real_seqno: last and best known sequence number | |
112 | * @last_ttl: ttl of last received packet | |
113 | * @batman_seqno_reset: time when the batman seqno window was reset | |
114 | * @refcount: number of contexts the object is used | |
115 | * @rcu: struct used for freeing in an RCU-safe manner | |
116 | */ | |
117 | struct batadv_orig_ifinfo { | |
118 | struct hlist_node list; | |
119 | struct batadv_hard_iface *if_outgoing; | |
120 | struct batadv_neigh_node __rcu *router; /* rcu protected pointer */ | |
121 | uint32_t last_real_seqno; | |
122 | uint8_t last_ttl; | |
123 | unsigned long batman_seqno_reset; | |
124 | atomic_t refcount; | |
125 | struct rcu_head rcu; | |
126 | }; | |
127 | ||
610bfc6b MH |
128 | /** |
129 | * struct batadv_frag_table_entry - head in the fragment buffer table | |
130 | * @head: head of list with fragments | |
131 | * @lock: lock to protect the list of fragments | |
132 | * @timestamp: time (jiffie) of last received fragment | |
133 | * @seqno: sequence number of the fragments in the list | |
134 | * @size: accumulated size of packets in list | |
53e77145 | 135 | * @total_size: expected size of the assembled packet |
610bfc6b MH |
136 | */ |
137 | struct batadv_frag_table_entry { | |
138 | struct hlist_head head; | |
139 | spinlock_t lock; /* protects head */ | |
140 | unsigned long timestamp; | |
141 | uint16_t seqno; | |
142 | uint16_t size; | |
53e77145 | 143 | uint16_t total_size; |
610bfc6b MH |
144 | }; |
145 | ||
146 | /** | |
147 | * struct batadv_frag_list_entry - entry in a list of fragments | |
148 | * @list: list node information | |
149 | * @skb: fragment | |
150 | * @no: fragment number in the set | |
151 | */ | |
152 | struct batadv_frag_list_entry { | |
153 | struct hlist_node list; | |
154 | struct sk_buff *skb; | |
155 | uint8_t no; | |
156 | }; | |
157 | ||
7ea7b4a1 AQ |
158 | /** |
159 | * struct batadv_vlan_tt - VLAN specific TT attributes | |
160 | * @crc: CRC32 checksum of the entries belonging to this vlan | |
161 | * @num_entries: number of TT entries for this VLAN | |
162 | */ | |
163 | struct batadv_vlan_tt { | |
164 | uint32_t crc; | |
165 | atomic_t num_entries; | |
166 | }; | |
167 | ||
168 | /** | |
1a321b0d | 169 | * struct batadv_orig_node_vlan - VLAN specific data per orig_node |
7ea7b4a1 AQ |
170 | * @vid: the VLAN identifier |
171 | * @tt: VLAN specific TT attributes | |
172 | * @list: list node for orig_node::vlan_list | |
173 | * @refcount: number of context where this object is currently in use | |
174 | * @rcu: struct used for freeing in a RCU-safe manner | |
175 | */ | |
176 | struct batadv_orig_node_vlan { | |
177 | unsigned short vid; | |
178 | struct batadv_vlan_tt tt; | |
179 | struct list_head list; | |
180 | atomic_t refcount; | |
181 | struct rcu_head rcu; | |
182 | }; | |
183 | ||
bbad0a5e AQ |
184 | /** |
185 | * struct batadv_orig_bat_iv - B.A.T.M.A.N. IV private orig_node members | |
21102626 MP |
186 | * @bcast_own: set of bitfields (one per hard interface) where each one counts |
187 | * the number of our OGMs this orig_node rebroadcasted "back" to us (relative | |
188 | * to last_real_seqno). Every bitfield is BATADV_TQ_LOCAL_WINDOW_SIZE bits long. | |
189 | * @bcast_own_sum: sum of bcast_own | |
bbad0a5e AQ |
190 | * @ogm_cnt_lock: lock protecting bcast_own, bcast_own_sum, |
191 | * neigh_node->bat_iv.real_bits & neigh_node->bat_iv.real_packet_count | |
192 | */ | |
193 | struct batadv_orig_bat_iv { | |
194 | unsigned long *bcast_own; | |
195 | uint8_t *bcast_own_sum; | |
196 | /* ogm_cnt_lock protects: bcast_own, bcast_own_sum, | |
197 | * neigh_node->bat_iv.real_bits & neigh_node->bat_iv.real_packet_count | |
198 | */ | |
199 | spinlock_t ogm_cnt_lock; | |
200 | }; | |
201 | ||
2c53040f | 202 | /** |
b6d0ab7c | 203 | * struct batadv_orig_node - structure for orig_list maintaining nodes of mesh |
88a32c9a | 204 | * @orig: originator ethernet address |
7351a482 | 205 | * @ifinfo_list: list for routers per outgoing interface |
f3b3d901 | 206 | * @last_bonding_candidate: pointer to last ifinfo of last used router |
88a32c9a | 207 | * @batadv_dat_addr_t: address of the orig node in the distributed hash |
88a32c9a | 208 | * @last_seen: time when last packet from this node was received |
b6d0ab7c | 209 | * @bcast_seqno_reset: time when the broadcast seqno window was reset |
60432d75 | 210 | * @mcast_flags: multicast flags announced by the orig node |
ab49886e LL |
211 | * @mcast_want_all_unsnoop_node: a list node for the |
212 | * mcast.want_all_unsnoopables list | |
4c8755d6 LL |
213 | * @mcast_want_all_ipv4_node: a list node for the mcast.want_all_ipv4 list |
214 | * @mcast_want_all_ipv6_node: a list node for the mcast.want_all_ipv6 list | |
17cf0ea4 | 215 | * @capabilities: announced capabilities of this originator |
e17931d1 | 216 | * @capa_initialized: bitfield to remember whether a capability was initialized |
88a32c9a | 217 | * @last_ttvn: last seen translation table version number |
88a32c9a ML |
218 | * @tt_buff: last tt changeset this node received from the orig node |
219 | * @tt_buff_len: length of the last tt changeset this node received from the | |
220 | * orig node | |
221 | * @tt_buff_lock: lock that protects tt_buff and tt_buff_len | |
a70a9aa9 AQ |
222 | * @tt_lock: prevents from updating the table while reading it. Table update is |
223 | * made up by two operations (data structure update and metdata -CRC/TTVN- | |
224 | * recalculation) and they have to be executed atomically in order to avoid | |
225 | * another thread to read the table/metadata between those. | |
88a32c9a ML |
226 | * @bcast_bits: bitfield containing the info which payload broadcast originated |
227 | * from this orig node this host already has seen (relative to | |
228 | * last_bcast_seqno) | |
b6d0ab7c | 229 | * @last_bcast_seqno: last broadcast sequence number received by this host |
88a32c9a | 230 | * @neigh_list: list of potential next hop neighbor towards this orig node |
f6c8b711 | 231 | * @neigh_list_lock: lock protecting neigh_list and router |
88a32c9a ML |
232 | * @hash_entry: hlist node for batadv_priv::orig_hash |
233 | * @bat_priv: pointer to soft_iface this orig node belongs to | |
88a32c9a | 234 | * @bcast_seqno_lock: lock protecting bcast_bits & last_bcast_seqno |
88a32c9a ML |
235 | * @refcount: number of contexts the object is used |
236 | * @rcu: struct used for freeing in an RCU-safe manner | |
d56b1705 MH |
237 | * @in_coding_list: list of nodes this orig can hear |
238 | * @out_coding_list: list of nodes that can hear this orig | |
239 | * @in_coding_list_lock: protects in_coding_list | |
240 | * @out_coding_list_lock: protects out_coding_list | |
610bfc6b | 241 | * @fragments: array with heads for fragment chains |
7ea7b4a1 AQ |
242 | * @vlan_list: a list of orig_node_vlan structs, one per VLAN served by the |
243 | * originator represented by this object | |
244 | * @vlan_list_lock: lock protecting vlan_list | |
bbad0a5e | 245 | * @bat_iv: B.A.T.M.A.N. IV private structure |
c6c8fea2 | 246 | */ |
56303d34 | 247 | struct batadv_orig_node { |
c6c8fea2 | 248 | uint8_t orig[ETH_ALEN]; |
7351a482 | 249 | struct hlist_head ifinfo_list; |
f3b3d901 | 250 | struct batadv_orig_ifinfo *last_bonding_candidate; |
17224474 | 251 | #ifdef CONFIG_BATMAN_ADV_DAT |
785ea114 | 252 | batadv_dat_addr_t dat_addr; |
17224474 | 253 | #endif |
d7b2a97e | 254 | unsigned long last_seen; |
c6c8fea2 | 255 | unsigned long bcast_seqno_reset; |
60432d75 LL |
256 | #ifdef CONFIG_BATMAN_ADV_MCAST |
257 | uint8_t mcast_flags; | |
ab49886e | 258 | struct hlist_node mcast_want_all_unsnoopables_node; |
4c8755d6 LL |
259 | struct hlist_node mcast_want_all_ipv4_node; |
260 | struct hlist_node mcast_want_all_ipv6_node; | |
60432d75 | 261 | #endif |
17cf0ea4 | 262 | uint8_t capabilities; |
e17931d1 | 263 | uint8_t capa_initialized; |
88a32c9a | 264 | atomic_t last_ttvn; |
2dafb49d AQ |
265 | unsigned char *tt_buff; |
266 | int16_t tt_buff_len; | |
88a32c9a | 267 | spinlock_t tt_buff_lock; /* protects tt_buff & tt_buff_len */ |
a70a9aa9 AQ |
268 | /* prevents from changing the table while reading it */ |
269 | spinlock_t tt_lock; | |
42d0b044 | 270 | DECLARE_BITMAP(bcast_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); |
c6c8fea2 | 271 | uint32_t last_bcast_seqno; |
9591a79f | 272 | struct hlist_head neigh_list; |
f6c8b711 | 273 | /* neigh_list_lock protects: neigh_list and router */ |
88a32c9a | 274 | spinlock_t neigh_list_lock; |
7aadf889 | 275 | struct hlist_node hash_entry; |
56303d34 | 276 | struct batadv_priv *bat_priv; |
88a32c9a | 277 | /* bcast_seqno_lock protects: bcast_bits & last_bcast_seqno */ |
6e215fd8 | 278 | spinlock_t bcast_seqno_lock; |
88a32c9a ML |
279 | atomic_t refcount; |
280 | struct rcu_head rcu; | |
d56b1705 MH |
281 | #ifdef CONFIG_BATMAN_ADV_NC |
282 | struct list_head in_coding_list; | |
283 | struct list_head out_coding_list; | |
284 | spinlock_t in_coding_list_lock; /* Protects in_coding_list */ | |
285 | spinlock_t out_coding_list_lock; /* Protects out_coding_list */ | |
286 | #endif | |
610bfc6b | 287 | struct batadv_frag_table_entry fragments[BATADV_FRAG_BUFFER_COUNT]; |
7ea7b4a1 AQ |
288 | struct list_head vlan_list; |
289 | spinlock_t vlan_list_lock; /* protects vlan_list */ | |
bbad0a5e | 290 | struct batadv_orig_bat_iv bat_iv; |
c6c8fea2 SE |
291 | }; |
292 | ||
17cf0ea4 ML |
293 | /** |
294 | * enum batadv_orig_capabilities - orig node capabilities | |
295 | * @BATADV_ORIG_CAPA_HAS_DAT: orig node has distributed arp table enabled | |
3f4841ff | 296 | * @BATADV_ORIG_CAPA_HAS_NC: orig node has network coding enabled |
e17931d1 | 297 | * @BATADV_ORIG_CAPA_HAS_TT: orig node has tt capability |
60432d75 LL |
298 | * @BATADV_ORIG_CAPA_HAS_MCAST: orig node has some multicast capability |
299 | * (= orig node announces a tvlv of type BATADV_TVLV_MCAST) | |
17cf0ea4 ML |
300 | */ |
301 | enum batadv_orig_capabilities { | |
302 | BATADV_ORIG_CAPA_HAS_DAT = BIT(0), | |
3f4841ff | 303 | BATADV_ORIG_CAPA_HAS_NC = BIT(1), |
e17931d1 | 304 | BATADV_ORIG_CAPA_HAS_TT = BIT(2), |
60432d75 | 305 | BATADV_ORIG_CAPA_HAS_MCAST = BIT(3), |
17cf0ea4 ML |
306 | }; |
307 | ||
88a32c9a ML |
308 | /** |
309 | * struct batadv_gw_node - structure for orig nodes announcing gw capabilities | |
310 | * @list: list node for batadv_priv_gw::list | |
311 | * @orig_node: pointer to corresponding orig node | |
414254e3 ML |
312 | * @bandwidth_down: advertised uplink download bandwidth |
313 | * @bandwidth_up: advertised uplink upload bandwidth | |
88a32c9a ML |
314 | * @deleted: this struct is scheduled for deletion |
315 | * @refcount: number of contexts the object is used | |
316 | * @rcu: struct used for freeing in an RCU-safe manner | |
317 | */ | |
56303d34 | 318 | struct batadv_gw_node { |
c6c8fea2 | 319 | struct hlist_node list; |
56303d34 | 320 | struct batadv_orig_node *orig_node; |
414254e3 ML |
321 | uint32_t bandwidth_down; |
322 | uint32_t bandwidth_up; | |
c6c8fea2 | 323 | unsigned long deleted; |
25b6d3c1 | 324 | atomic_t refcount; |
c6c8fea2 SE |
325 | struct rcu_head rcu; |
326 | }; | |
327 | ||
88a32c9a | 328 | /** |
89652331 SW |
329 | * struct batadv_neigh_node - structure for single hops neighbors |
330 | * @list: list node for batadv_orig_node::neigh_list | |
331 | * @orig_node: pointer to corresponding orig_node | |
332 | * @addr: the MAC address of the neighboring interface | |
333 | * @ifinfo_list: list for routing metrics per outgoing interface | |
334 | * @ifinfo_lock: lock protecting private ifinfo members and list | |
335 | * @if_incoming: pointer to incoming hard interface | |
336 | * @last_seen: when last packet via this neighbor was received | |
337 | * @last_ttl: last received ttl from this neigh node | |
338 | * @rcu: struct used for freeing in an RCU-safe manner | |
339 | * @bat_iv: B.A.T.M.A.N. IV private structure | |
340 | */ | |
341 | struct batadv_neigh_node { | |
342 | struct hlist_node list; | |
343 | struct batadv_orig_node *orig_node; | |
344 | uint8_t addr[ETH_ALEN]; | |
345 | struct hlist_head ifinfo_list; | |
346 | spinlock_t ifinfo_lock; /* protects ifinfo_list and its members */ | |
347 | struct batadv_hard_iface *if_incoming; | |
348 | unsigned long last_seen; | |
349 | atomic_t refcount; | |
350 | struct rcu_head rcu; | |
351 | }; | |
352 | ||
1b371d13 | 353 | /** |
1a321b0d | 354 | * struct batadv_neigh_ifinfo_bat_iv - neighbor information per outgoing |
89652331 | 355 | * interface for BATMAN IV |
88a32c9a ML |
356 | * @tq_recv: ring buffer of received TQ values from this neigh node |
357 | * @tq_index: ring buffer index | |
358 | * @tq_avg: averaged tq of all tq values in the ring buffer (tq_recv) | |
88a32c9a ML |
359 | * @real_bits: bitfield containing the number of OGMs received from this neigh |
360 | * node (relative to orig_node->last_real_seqno) | |
361 | * @real_packet_count: counted result of real_bits | |
0538f759 | 362 | */ |
89652331 | 363 | struct batadv_neigh_ifinfo_bat_iv { |
0538f759 AQ |
364 | uint8_t tq_recv[BATADV_TQ_GLOBAL_WINDOW_SIZE]; |
365 | uint8_t tq_index; | |
366 | uint8_t tq_avg; | |
367 | DECLARE_BITMAP(real_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); | |
368 | uint8_t real_packet_count; | |
0538f759 AQ |
369 | }; |
370 | ||
1b371d13 SW |
371 | /** |
372 | * struct batadv_neigh_ifinfo - neighbor information per outgoing interface | |
89652331 SW |
373 | * @list: list node for batadv_neigh_node::ifinfo_list |
374 | * @if_outgoing: pointer to outgoing hard interface | |
375 | * @bat_iv: B.A.T.M.A.N. IV private structure | |
0538f759 | 376 | * @last_ttl: last received ttl from this neigh node |
88a32c9a | 377 | * @refcount: number of contexts the object is used |
89652331 | 378 | * @rcu: struct used for freeing in a RCU-safe manner |
c6c8fea2 | 379 | */ |
89652331 | 380 | struct batadv_neigh_ifinfo { |
9591a79f | 381 | struct hlist_node list; |
89652331 SW |
382 | struct batadv_hard_iface *if_outgoing; |
383 | struct batadv_neigh_ifinfo_bat_iv bat_iv; | |
c6c8fea2 | 384 | uint8_t last_ttl; |
88a32c9a ML |
385 | atomic_t refcount; |
386 | struct rcu_head rcu; | |
c6c8fea2 SE |
387 | }; |
388 | ||
88a32c9a ML |
389 | /** |
390 | * struct batadv_bcast_duplist_entry - structure for LAN broadcast suppression | |
391 | * @orig[ETH_ALEN]: mac address of orig node orginating the broadcast | |
392 | * @crc: crc32 checksum of broadcast payload | |
393 | * @entrytime: time when the broadcast packet was received | |
394 | */ | |
7a5cc242 | 395 | #ifdef CONFIG_BATMAN_ADV_BLA |
56303d34 | 396 | struct batadv_bcast_duplist_entry { |
fe2da6ff | 397 | uint8_t orig[ETH_ALEN]; |
004e86fc | 398 | __be32 crc; |
fe2da6ff SW |
399 | unsigned long entrytime; |
400 | }; | |
7a5cc242 | 401 | #endif |
c6c8fea2 | 402 | |
88a32c9a ML |
403 | /** |
404 | * enum batadv_counters - indices for traffic counters | |
405 | * @BATADV_CNT_TX: transmitted payload traffic packet counter | |
406 | * @BATADV_CNT_TX_BYTES: transmitted payload traffic bytes counter | |
407 | * @BATADV_CNT_TX_DROPPED: dropped transmission payload traffic packet counter | |
408 | * @BATADV_CNT_RX: received payload traffic packet counter | |
409 | * @BATADV_CNT_RX_BYTES: received payload traffic bytes counter | |
410 | * @BATADV_CNT_FORWARD: forwarded payload traffic packet counter | |
411 | * @BATADV_CNT_FORWARD_BYTES: forwarded payload traffic bytes counter | |
412 | * @BATADV_CNT_MGMT_TX: transmitted routing protocol traffic packet counter | |
413 | * @BATADV_CNT_MGMT_TX_BYTES: transmitted routing protocol traffic bytes counter | |
414 | * @BATADV_CNT_MGMT_RX: received routing protocol traffic packet counter | |
415 | * @BATADV_CNT_MGMT_RX_BYTES: received routing protocol traffic bytes counter | |
ee75ed88 MH |
416 | * @BATADV_CNT_FRAG_TX: transmitted fragment traffic packet counter |
417 | * @BATADV_CNT_FRAG_TX_BYTES: transmitted fragment traffic bytes counter | |
610bfc6b MH |
418 | * @BATADV_CNT_FRAG_RX: received fragment traffic packet counter |
419 | * @BATADV_CNT_FRAG_RX_BYTES: received fragment traffic bytes counter | |
420 | * @BATADV_CNT_FRAG_FWD: forwarded fragment traffic packet counter | |
421 | * @BATADV_CNT_FRAG_FWD_BYTES: forwarded fragment traffic bytes counter | |
88a32c9a ML |
422 | * @BATADV_CNT_TT_REQUEST_TX: transmitted tt req traffic packet counter |
423 | * @BATADV_CNT_TT_REQUEST_RX: received tt req traffic packet counter | |
424 | * @BATADV_CNT_TT_RESPONSE_TX: transmitted tt resp traffic packet counter | |
425 | * @BATADV_CNT_TT_RESPONSE_RX: received tt resp traffic packet counter | |
426 | * @BATADV_CNT_TT_ROAM_ADV_TX: transmitted tt roam traffic packet counter | |
427 | * @BATADV_CNT_TT_ROAM_ADV_RX: received tt roam traffic packet counter | |
428 | * @BATADV_CNT_DAT_GET_TX: transmitted dht GET traffic packet counter | |
429 | * @BATADV_CNT_DAT_GET_RX: received dht GET traffic packet counter | |
430 | * @BATADV_CNT_DAT_PUT_TX: transmitted dht PUT traffic packet counter | |
431 | * @BATADV_CNT_DAT_PUT_RX: received dht PUT traffic packet counter | |
432 | * @BATADV_CNT_DAT_CACHED_REPLY_TX: transmitted dat cache reply traffic packet | |
433 | * counter | |
3c12de9a MH |
434 | * @BATADV_CNT_NC_CODE: transmitted nc-combined traffic packet counter |
435 | * @BATADV_CNT_NC_CODE_BYTES: transmitted nc-combined traffic bytes counter | |
436 | * @BATADV_CNT_NC_RECODE: transmitted nc-recombined traffic packet counter | |
437 | * @BATADV_CNT_NC_RECODE_BYTES: transmitted nc-recombined traffic bytes counter | |
612d2b4f | 438 | * @BATADV_CNT_NC_BUFFER: counter for packets buffered for later nc decoding |
2df5278b MH |
439 | * @BATADV_CNT_NC_DECODE: received and nc-decoded traffic packet counter |
440 | * @BATADV_CNT_NC_DECODE_BYTES: received and nc-decoded traffic bytes counter | |
441 | * @BATADV_CNT_NC_DECODE_FAILED: received and decode-failed traffic packet | |
442 | * counter | |
443 | * @BATADV_CNT_NC_SNIFFED: counter for nc-decoded packets received in promisc | |
444 | * mode. | |
88a32c9a ML |
445 | * @BATADV_CNT_NUM: number of traffic counters |
446 | */ | |
d69909d2 | 447 | enum batadv_counters { |
1c9b0550 ML |
448 | BATADV_CNT_TX, |
449 | BATADV_CNT_TX_BYTES, | |
450 | BATADV_CNT_TX_DROPPED, | |
451 | BATADV_CNT_RX, | |
452 | BATADV_CNT_RX_BYTES, | |
d69909d2 SE |
453 | BATADV_CNT_FORWARD, |
454 | BATADV_CNT_FORWARD_BYTES, | |
455 | BATADV_CNT_MGMT_TX, | |
456 | BATADV_CNT_MGMT_TX_BYTES, | |
457 | BATADV_CNT_MGMT_RX, | |
458 | BATADV_CNT_MGMT_RX_BYTES, | |
ee75ed88 MH |
459 | BATADV_CNT_FRAG_TX, |
460 | BATADV_CNT_FRAG_TX_BYTES, | |
610bfc6b MH |
461 | BATADV_CNT_FRAG_RX, |
462 | BATADV_CNT_FRAG_RX_BYTES, | |
463 | BATADV_CNT_FRAG_FWD, | |
464 | BATADV_CNT_FRAG_FWD_BYTES, | |
d69909d2 SE |
465 | BATADV_CNT_TT_REQUEST_TX, |
466 | BATADV_CNT_TT_REQUEST_RX, | |
467 | BATADV_CNT_TT_RESPONSE_TX, | |
468 | BATADV_CNT_TT_RESPONSE_RX, | |
469 | BATADV_CNT_TT_ROAM_ADV_TX, | |
470 | BATADV_CNT_TT_ROAM_ADV_RX, | |
4046b24a MH |
471 | #ifdef CONFIG_BATMAN_ADV_DAT |
472 | BATADV_CNT_DAT_GET_TX, | |
473 | BATADV_CNT_DAT_GET_RX, | |
474 | BATADV_CNT_DAT_PUT_TX, | |
475 | BATADV_CNT_DAT_PUT_RX, | |
476 | BATADV_CNT_DAT_CACHED_REPLY_TX, | |
3c12de9a MH |
477 | #endif |
478 | #ifdef CONFIG_BATMAN_ADV_NC | |
479 | BATADV_CNT_NC_CODE, | |
480 | BATADV_CNT_NC_CODE_BYTES, | |
481 | BATADV_CNT_NC_RECODE, | |
482 | BATADV_CNT_NC_RECODE_BYTES, | |
612d2b4f | 483 | BATADV_CNT_NC_BUFFER, |
2df5278b MH |
484 | BATADV_CNT_NC_DECODE, |
485 | BATADV_CNT_NC_DECODE_BYTES, | |
486 | BATADV_CNT_NC_DECODE_FAILED, | |
487 | BATADV_CNT_NC_SNIFFED, | |
4046b24a | 488 | #endif |
d69909d2 | 489 | BATADV_CNT_NUM, |
f8214865 MH |
490 | }; |
491 | ||
807736f6 SE |
492 | /** |
493 | * struct batadv_priv_tt - per mesh interface translation table data | |
494 | * @vn: translation table version number | |
88a32c9a | 495 | * @ogm_append_cnt: counter of number of OGMs containing the local tt diff |
807736f6 | 496 | * @local_changes: changes registered in an originator interval |
807736f6 | 497 | * @changes_list: tracks tt local changes within an originator interval |
88a32c9a ML |
498 | * @local_hash: local translation table hash table |
499 | * @global_hash: global translation table hash table | |
500 | * @req_list: list of pending & unanswered tt_requests | |
501 | * @roam_list: list of the last roaming events of each client limiting the | |
502 | * number of roaming events to avoid route flapping | |
503 | * @changes_list_lock: lock protecting changes_list | |
504 | * @req_list_lock: lock protecting req_list | |
505 | * @roam_list_lock: lock protecting roam_list | |
88a32c9a ML |
506 | * @last_changeset: last tt changeset this host has generated |
507 | * @last_changeset_len: length of last tt changeset this host has generated | |
508 | * @last_changeset_lock: lock protecting last_changeset & last_changeset_len | |
a70a9aa9 AQ |
509 | * @commit_lock: prevents from executing a local TT commit while reading the |
510 | * local table. The local TT commit is made up by two operations (data | |
511 | * structure update and metdata -CRC/TTVN- recalculation) and they have to be | |
512 | * executed atomically in order to avoid another thread to read the | |
513 | * table/metadata between those. | |
88a32c9a | 514 | * @work: work queue callback item for translation table purging |
807736f6 SE |
515 | */ |
516 | struct batadv_priv_tt { | |
517 | atomic_t vn; | |
518 | atomic_t ogm_append_cnt; | |
519 | atomic_t local_changes; | |
807736f6 SE |
520 | struct list_head changes_list; |
521 | struct batadv_hashtable *local_hash; | |
522 | struct batadv_hashtable *global_hash; | |
523 | struct list_head req_list; | |
524 | struct list_head roam_list; | |
525 | spinlock_t changes_list_lock; /* protects changes */ | |
526 | spinlock_t req_list_lock; /* protects req_list */ | |
527 | spinlock_t roam_list_lock; /* protects roam_list */ | |
807736f6 SE |
528 | unsigned char *last_changeset; |
529 | int16_t last_changeset_len; | |
88a32c9a ML |
530 | /* protects last_changeset & last_changeset_len */ |
531 | spinlock_t last_changeset_lock; | |
a70a9aa9 AQ |
532 | /* prevents from executing a commit while reading the table */ |
533 | spinlock_t commit_lock; | |
807736f6 SE |
534 | struct delayed_work work; |
535 | }; | |
536 | ||
88a32c9a ML |
537 | /** |
538 | * struct batadv_priv_bla - per mesh interface bridge loope avoidance data | |
539 | * @num_requests; number of bla requests in flight | |
540 | * @claim_hash: hash table containing mesh nodes this host has claimed | |
541 | * @backbone_hash: hash table containing all detected backbone gateways | |
542 | * @bcast_duplist: recently received broadcast packets array (for broadcast | |
543 | * duplicate suppression) | |
544 | * @bcast_duplist_curr: index of last broadcast packet added to bcast_duplist | |
545 | * @bcast_duplist_lock: lock protecting bcast_duplist & bcast_duplist_curr | |
546 | * @claim_dest: local claim data (e.g. claim group) | |
547 | * @work: work queue callback item for cleanups & bla announcements | |
548 | */ | |
807736f6 SE |
549 | #ifdef CONFIG_BATMAN_ADV_BLA |
550 | struct batadv_priv_bla { | |
88a32c9a | 551 | atomic_t num_requests; |
807736f6 SE |
552 | struct batadv_hashtable *claim_hash; |
553 | struct batadv_hashtable *backbone_hash; | |
554 | struct batadv_bcast_duplist_entry bcast_duplist[BATADV_DUPLIST_SIZE]; | |
555 | int bcast_duplist_curr; | |
88a32c9a | 556 | /* protects bcast_duplist & bcast_duplist_curr */ |
7dac7b76 | 557 | spinlock_t bcast_duplist_lock; |
807736f6 SE |
558 | struct batadv_bla_claim_dst claim_dest; |
559 | struct delayed_work work; | |
560 | }; | |
561 | #endif | |
562 | ||
88a32c9a | 563 | /** |
1a321b0d | 564 | * struct batadv_priv_debug_log - debug logging data |
88a32c9a ML |
565 | * @log_buff: buffer holding the logs (ring bufer) |
566 | * @log_start: index of next character to read | |
567 | * @log_end: index of next character to write | |
568 | * @lock: lock protecting log_buff, log_start & log_end | |
569 | * @queue_wait: log reader's wait queue | |
570 | */ | |
0abf5d81 ML |
571 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
572 | struct batadv_priv_debug_log { | |
573 | char log_buff[BATADV_LOG_BUF_LEN]; | |
574 | unsigned long log_start; | |
575 | unsigned long log_end; | |
576 | spinlock_t lock; /* protects log_buff, log_start and log_end */ | |
577 | wait_queue_head_t queue_wait; | |
578 | }; | |
579 | #endif | |
580 | ||
88a32c9a ML |
581 | /** |
582 | * struct batadv_priv_gw - per mesh interface gateway data | |
583 | * @list: list of available gateway nodes | |
584 | * @list_lock: lock protecting gw_list & curr_gw | |
585 | * @curr_gw: pointer to currently selected gateway node | |
414254e3 ML |
586 | * @bandwidth_down: advertised uplink download bandwidth (if gw_mode server) |
587 | * @bandwidth_up: advertised uplink upload bandwidth (if gw_mode server) | |
88a32c9a ML |
588 | * @reselect: bool indicating a gateway re-selection is in progress |
589 | */ | |
807736f6 SE |
590 | struct batadv_priv_gw { |
591 | struct hlist_head list; | |
88a32c9a | 592 | spinlock_t list_lock; /* protects gw_list & curr_gw */ |
807736f6 | 593 | struct batadv_gw_node __rcu *curr_gw; /* rcu protected pointer */ |
414254e3 ML |
594 | atomic_t bandwidth_down; |
595 | atomic_t bandwidth_up; | |
807736f6 SE |
596 | atomic_t reselect; |
597 | }; | |
598 | ||
ef261577 ML |
599 | /** |
600 | * struct batadv_priv_tvlv - per mesh interface tvlv data | |
601 | * @container_list: list of registered tvlv containers to be sent with each OGM | |
602 | * @handler_list: list of the various tvlv content handlers | |
603 | * @container_list_lock: protects tvlv container list access | |
604 | * @handler_list_lock: protects handler list access | |
605 | */ | |
606 | struct batadv_priv_tvlv { | |
607 | struct hlist_head container_list; | |
608 | struct hlist_head handler_list; | |
609 | spinlock_t container_list_lock; /* protects container_list */ | |
610 | spinlock_t handler_list_lock; /* protects handler_list */ | |
611 | }; | |
612 | ||
785ea114 AQ |
613 | /** |
614 | * struct batadv_priv_dat - per mesh interface DAT private data | |
615 | * @addr: node DAT address | |
2f1dfbe1 AQ |
616 | * @hash: hashtable representing the local ARP cache |
617 | * @work: work queue callback item for cache purging | |
785ea114 | 618 | */ |
17224474 | 619 | #ifdef CONFIG_BATMAN_ADV_DAT |
785ea114 AQ |
620 | struct batadv_priv_dat { |
621 | batadv_dat_addr_t addr; | |
2f1dfbe1 AQ |
622 | struct batadv_hashtable *hash; |
623 | struct delayed_work work; | |
785ea114 | 624 | }; |
17224474 | 625 | #endif |
785ea114 | 626 | |
c5caf4ef LL |
627 | #ifdef CONFIG_BATMAN_ADV_MCAST |
628 | /** | |
629 | * struct batadv_priv_mcast - per mesh interface mcast data | |
630 | * @mla_list: list of multicast addresses we are currently announcing via TT | |
ab49886e LL |
631 | * @want_all_unsnoopables_list: a list of orig_nodes wanting all unsnoopable |
632 | * multicast traffic | |
4c8755d6 LL |
633 | * @want_all_ipv4_list: a list of orig_nodes wanting all IPv4 multicast traffic |
634 | * @want_all_ipv6_list: a list of orig_nodes wanting all IPv6 multicast traffic | |
60432d75 LL |
635 | * @flags: the flags we have last sent in our mcast tvlv |
636 | * @enabled: whether the multicast tvlv is currently enabled | |
637 | * @num_disabled: number of nodes that have no mcast tvlv | |
ab49886e | 638 | * @num_want_all_unsnoopables: number of nodes wanting unsnoopable IP traffic |
4c8755d6 LL |
639 | * @num_want_all_ipv4: counter for items in want_all_ipv4_list |
640 | * @num_want_all_ipv6: counter for items in want_all_ipv6_list | |
ab49886e LL |
641 | * @want_lists_lock: lock for protecting modifications to mcast want lists |
642 | * (traversals are rcu-locked) | |
c5caf4ef LL |
643 | */ |
644 | struct batadv_priv_mcast { | |
645 | struct hlist_head mla_list; | |
ab49886e | 646 | struct hlist_head want_all_unsnoopables_list; |
4c8755d6 LL |
647 | struct hlist_head want_all_ipv4_list; |
648 | struct hlist_head want_all_ipv6_list; | |
60432d75 LL |
649 | uint8_t flags; |
650 | bool enabled; | |
651 | atomic_t num_disabled; | |
ab49886e | 652 | atomic_t num_want_all_unsnoopables; |
4c8755d6 LL |
653 | atomic_t num_want_all_ipv4; |
654 | atomic_t num_want_all_ipv6; | |
655 | /* protects want_all_{unsnoopables,ipv4,ipv6}_list */ | |
ab49886e | 656 | spinlock_t want_lists_lock; |
c5caf4ef LL |
657 | }; |
658 | #endif | |
659 | ||
d353d8d4 MH |
660 | /** |
661 | * struct batadv_priv_nc - per mesh interface network coding private data | |
662 | * @work: work queue callback item for cleanup | |
d56b1705 MH |
663 | * @debug_dir: dentry for nc subdir in batman-adv directory in debugfs |
664 | * @min_tq: only consider neighbors for encoding if neigh_tq > min_tq | |
95332477 | 665 | * @max_fwd_delay: maximum packet forward delay to allow coding of packets |
612d2b4f | 666 | * @max_buffer_time: buffer time for sniffed packets used to decoding |
95332477 | 667 | * @timestamp_fwd_flush: timestamp of last forward packet queue flush |
612d2b4f | 668 | * @timestamp_sniffed_purge: timestamp of last sniffed packet queue purge |
95332477 MH |
669 | * @coding_hash: Hash table used to buffer skbs while waiting for another |
670 | * incoming skb to code it with. Skbs are added to the buffer just before being | |
671 | * forwarded in routing.c | |
612d2b4f MH |
672 | * @decoding_hash: Hash table used to buffer skbs that might be needed to decode |
673 | * a received coded skb. The buffer is used for 1) skbs arriving on the | |
674 | * soft-interface; 2) skbs overheard on the hard-interface; and 3) skbs | |
675 | * forwarded by batman-adv. | |
d353d8d4 MH |
676 | */ |
677 | struct batadv_priv_nc { | |
678 | struct delayed_work work; | |
d56b1705 MH |
679 | struct dentry *debug_dir; |
680 | u8 min_tq; | |
95332477 | 681 | u32 max_fwd_delay; |
612d2b4f | 682 | u32 max_buffer_time; |
95332477 | 683 | unsigned long timestamp_fwd_flush; |
612d2b4f | 684 | unsigned long timestamp_sniffed_purge; |
95332477 | 685 | struct batadv_hashtable *coding_hash; |
612d2b4f | 686 | struct batadv_hashtable *decoding_hash; |
d353d8d4 MH |
687 | }; |
688 | ||
5d2c05b2 AQ |
689 | /** |
690 | * struct batadv_softif_vlan - per VLAN attributes set | |
35df3b29 | 691 | * @bat_priv: pointer to the mesh object |
5d2c05b2 AQ |
692 | * @vid: VLAN identifier |
693 | * @kobj: kobject for sysfs vlan subdirectory | |
b8cbd81d | 694 | * @ap_isolation: AP isolation state |
7ea7b4a1 | 695 | * @tt: TT private attributes (VLAN specific) |
5d2c05b2 AQ |
696 | * @list: list node for bat_priv::softif_vlan_list |
697 | * @refcount: number of context where this object is currently in use | |
698 | * @rcu: struct used for freeing in a RCU-safe manner | |
699 | */ | |
700 | struct batadv_softif_vlan { | |
35df3b29 | 701 | struct batadv_priv *bat_priv; |
5d2c05b2 AQ |
702 | unsigned short vid; |
703 | struct kobject *kobj; | |
b8cbd81d | 704 | atomic_t ap_isolation; /* boolean */ |
7ea7b4a1 | 705 | struct batadv_vlan_tt tt; |
5d2c05b2 AQ |
706 | struct hlist_node list; |
707 | atomic_t refcount; | |
708 | struct rcu_head rcu; | |
709 | }; | |
710 | ||
88a32c9a ML |
711 | /** |
712 | * struct batadv_priv - per mesh interface data | |
713 | * @mesh_state: current status of the mesh (inactive/active/deactivating) | |
5bc44dc8 | 714 | * @soft_iface: net device which holds this struct as private data |
88a32c9a ML |
715 | * @stats: structure holding the data for the ndo_get_stats() call |
716 | * @bat_counters: mesh internal traffic statistic counters (see batadv_counters) | |
717 | * @aggregated_ogms: bool indicating whether OGM aggregation is enabled | |
718 | * @bonding: bool indicating whether traffic bonding is enabled | |
719 | * @fragmentation: bool indicating whether traffic fragmentation is enabled | |
a19d3d85 ML |
720 | * @packet_size_max: max packet size that can be transmitted via |
721 | * multiple fragmented skbs or a single frame if fragmentation is disabled | |
ee75ed88 | 722 | * @frag_seqno: incremental counter to identify chains of egress fragments |
88a32c9a ML |
723 | * @bridge_loop_avoidance: bool indicating whether bridge loop avoidance is |
724 | * enabled | |
725 | * @distributed_arp_table: bool indicating whether distributed ARP table is | |
726 | * enabled | |
1d8ab8d3 LL |
727 | * @multicast_mode: Enable or disable multicast optimizations on this node's |
728 | * sender/originating side | |
88a32c9a ML |
729 | * @gw_mode: gateway operation: off, client or server (see batadv_gw_modes) |
730 | * @gw_sel_class: gateway selection class (applies if gw_mode client) | |
88a32c9a ML |
731 | * @orig_interval: OGM broadcast interval in milliseconds |
732 | * @hop_penalty: penalty which will be applied to an OGM's tq-field on every hop | |
733 | * @log_level: configured log level (see batadv_dbg_level) | |
734 | * @bcast_seqno: last sent broadcast packet sequence number | |
735 | * @bcast_queue_left: number of remaining buffered broadcast packet slots | |
736 | * @batman_queue_left: number of remaining OGM packet slots | |
737 | * @num_ifaces: number of interfaces assigned to this mesh interface | |
738 | * @mesh_obj: kobject for sysfs mesh subdirectory | |
739 | * @debug_dir: dentry for debugfs batman-adv subdirectory | |
740 | * @forw_bat_list: list of aggregated OGMs that will be forwarded | |
741 | * @forw_bcast_list: list of broadcast packets that will be rebroadcasted | |
742 | * @orig_hash: hash table containing mesh participants (orig nodes) | |
743 | * @forw_bat_list_lock: lock protecting forw_bat_list | |
744 | * @forw_bcast_list_lock: lock protecting forw_bcast_list | |
745 | * @orig_work: work queue callback item for orig node purging | |
5bc44dc8 | 746 | * @cleanup_work: work queue callback item for soft interface deinit |
88a32c9a ML |
747 | * @primary_if: one of the hard interfaces assigned to this mesh interface |
748 | * becomes the primary interface | |
749 | * @bat_algo_ops: routing algorithm used by this mesh interface | |
5d2c05b2 AQ |
750 | * @softif_vlan_list: a list of softif_vlan structs, one per VLAN created on top |
751 | * of the mesh interface represented by this object | |
752 | * @softif_vlan_list_lock: lock protecting softif_vlan_list | |
88a32c9a ML |
753 | * @bla: bridge loope avoidance data |
754 | * @debug_log: holding debug logging relevant data | |
755 | * @gw: gateway data | |
756 | * @tt: translation table data | |
ef261577 | 757 | * @tvlv: type-version-length-value data |
88a32c9a | 758 | * @dat: distributed arp table data |
c5caf4ef | 759 | * @mcast: multicast data |
d353d8d4 MH |
760 | * @network_coding: bool indicating whether network coding is enabled |
761 | * @batadv_priv_nc: network coding data | |
88a32c9a | 762 | */ |
56303d34 | 763 | struct batadv_priv { |
c6c8fea2 | 764 | atomic_t mesh_state; |
5bc44dc8 | 765 | struct net_device *soft_iface; |
c6c8fea2 | 766 | struct net_device_stats stats; |
f8214865 | 767 | uint64_t __percpu *bat_counters; /* Per cpu counters */ |
88a32c9a ML |
768 | atomic_t aggregated_ogms; |
769 | atomic_t bonding; | |
770 | atomic_t fragmentation; | |
a19d3d85 | 771 | atomic_t packet_size_max; |
ee75ed88 | 772 | atomic_t frag_seqno; |
fa706554 | 773 | #ifdef CONFIG_BATMAN_ADV_BLA |
88a32c9a | 774 | atomic_t bridge_loop_avoidance; |
fa706554 | 775 | #endif |
33af49ad | 776 | #ifdef CONFIG_BATMAN_ADV_DAT |
88a32c9a | 777 | atomic_t distributed_arp_table; |
1d8ab8d3 LL |
778 | #endif |
779 | #ifdef CONFIG_BATMAN_ADV_MCAST | |
780 | atomic_t multicast_mode; | |
33af49ad | 781 | #endif |
88a32c9a ML |
782 | atomic_t gw_mode; |
783 | atomic_t gw_sel_class; | |
88a32c9a ML |
784 | atomic_t orig_interval; |
785 | atomic_t hop_penalty; | |
0c430d0d | 786 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
88a32c9a | 787 | atomic_t log_level; |
0c430d0d | 788 | #endif |
c42edfe3 AQ |
789 | uint32_t isolation_mark; |
790 | uint32_t isolation_mark_mask; | |
c6c8fea2 SE |
791 | atomic_t bcast_seqno; |
792 | atomic_t bcast_queue_left; | |
793 | atomic_t batman_queue_left; | |
794 | char num_ifaces; | |
c6c8fea2 SE |
795 | struct kobject *mesh_obj; |
796 | struct dentry *debug_dir; | |
797 | struct hlist_head forw_bat_list; | |
798 | struct hlist_head forw_bcast_list; | |
5bf74e9c | 799 | struct batadv_hashtable *orig_hash; |
c6c8fea2 | 800 | spinlock_t forw_bat_list_lock; /* protects forw_bat_list */ |
a7528f8d | 801 | spinlock_t forw_bcast_list_lock; /* protects forw_bcast_list */ |
c6c8fea2 | 802 | struct delayed_work orig_work; |
5bc44dc8 | 803 | struct work_struct cleanup_work; |
56303d34 | 804 | struct batadv_hard_iface __rcu *primary_if; /* rcu protected pointer */ |
56303d34 | 805 | struct batadv_algo_ops *bat_algo_ops; |
5d2c05b2 AQ |
806 | struct hlist_head softif_vlan_list; |
807 | spinlock_t softif_vlan_list_lock; /* protects softif_vlan_list */ | |
807736f6 SE |
808 | #ifdef CONFIG_BATMAN_ADV_BLA |
809 | struct batadv_priv_bla bla; | |
0abf5d81 ML |
810 | #endif |
811 | #ifdef CONFIG_BATMAN_ADV_DEBUG | |
812 | struct batadv_priv_debug_log *debug_log; | |
807736f6 SE |
813 | #endif |
814 | struct batadv_priv_gw gw; | |
815 | struct batadv_priv_tt tt; | |
ef261577 | 816 | struct batadv_priv_tvlv tvlv; |
17224474 | 817 | #ifdef CONFIG_BATMAN_ADV_DAT |
785ea114 | 818 | struct batadv_priv_dat dat; |
17224474 | 819 | #endif |
c5caf4ef LL |
820 | #ifdef CONFIG_BATMAN_ADV_MCAST |
821 | struct batadv_priv_mcast mcast; | |
822 | #endif | |
d353d8d4 MH |
823 | #ifdef CONFIG_BATMAN_ADV_NC |
824 | atomic_t network_coding; | |
825 | struct batadv_priv_nc nc; | |
826 | #endif /* CONFIG_BATMAN_ADV_NC */ | |
c6c8fea2 SE |
827 | }; |
828 | ||
88a32c9a ML |
829 | /** |
830 | * struct batadv_socket_client - layer2 icmp socket client data | |
831 | * @queue_list: packet queue for packets destined for this socket client | |
832 | * @queue_len: number of packets in the packet queue (queue_list) | |
833 | * @index: socket client's index in the batadv_socket_client_hash | |
834 | * @lock: lock protecting queue_list, queue_len & index | |
835 | * @queue_wait: socket client's wait queue | |
836 | * @bat_priv: pointer to soft_iface this client belongs to | |
837 | */ | |
56303d34 | 838 | struct batadv_socket_client { |
c6c8fea2 SE |
839 | struct list_head queue_list; |
840 | unsigned int queue_len; | |
841 | unsigned char index; | |
88a32c9a | 842 | spinlock_t lock; /* protects queue_list, queue_len & index */ |
c6c8fea2 | 843 | wait_queue_head_t queue_wait; |
56303d34 | 844 | struct batadv_priv *bat_priv; |
c6c8fea2 SE |
845 | }; |
846 | ||
88a32c9a ML |
847 | /** |
848 | * struct batadv_socket_packet - layer2 icmp packet for socket client | |
849 | * @list: list node for batadv_socket_client::queue_list | |
850 | * @icmp_len: size of the layer2 icmp packet | |
851 | * @icmp_packet: layer2 icmp packet | |
852 | */ | |
56303d34 | 853 | struct batadv_socket_packet { |
c6c8fea2 SE |
854 | struct list_head list; |
855 | size_t icmp_len; | |
da6b8c20 | 856 | uint8_t icmp_packet[BATADV_ICMP_MAX_PACKET_SIZE]; |
c6c8fea2 SE |
857 | }; |
858 | ||
88a32c9a ML |
859 | /** |
860 | * struct batadv_bla_backbone_gw - batman-adv gateway bridged into the LAN | |
861 | * @orig: originator address of backbone node (mac address of primary iface) | |
862 | * @vid: vlan id this gateway was detected on | |
863 | * @hash_entry: hlist node for batadv_priv_bla::backbone_hash | |
864 | * @bat_priv: pointer to soft_iface this backbone gateway belongs to | |
865 | * @lasttime: last time we heard of this backbone gw | |
866 | * @wait_periods: grace time for bridge forward delays and bla group forming at | |
867 | * bootup phase - no bcast traffic is formwared until it has elapsed | |
868 | * @request_sent: if this bool is set to true we are out of sync with this | |
869 | * backbone gateway - no bcast traffic is formwared until the situation was | |
870 | * resolved | |
871 | * @crc: crc16 checksum over all claims | |
872 | * @refcount: number of contexts the object is used | |
873 | * @rcu: struct used for freeing in an RCU-safe manner | |
874 | */ | |
2006fea8 | 875 | #ifdef CONFIG_BATMAN_ADV_BLA |
bae98774 | 876 | struct batadv_bla_backbone_gw { |
2006fea8 | 877 | uint8_t orig[ETH_ALEN]; |
eb2deb6b | 878 | unsigned short vid; |
2006fea8 ML |
879 | struct hlist_node hash_entry; |
880 | struct batadv_priv *bat_priv; | |
88a32c9a | 881 | unsigned long lasttime; |
2006fea8 ML |
882 | atomic_t wait_periods; |
883 | atomic_t request_sent; | |
88a32c9a | 884 | uint16_t crc; |
2006fea8 ML |
885 | atomic_t refcount; |
886 | struct rcu_head rcu; | |
2006fea8 ML |
887 | }; |
888 | ||
88a32c9a ML |
889 | /** |
890 | * struct batadv_bla_claim - claimed non-mesh client structure | |
891 | * @addr: mac address of claimed non-mesh client | |
892 | * @vid: vlan id this client was detected on | |
893 | * @batadv_bla_backbone_gw: pointer to backbone gw claiming this client | |
894 | * @lasttime: last time we heard of claim (locals only) | |
895 | * @hash_entry: hlist node for batadv_priv_bla::claim_hash | |
896 | * @refcount: number of contexts the object is used | |
897 | * @rcu: struct used for freeing in an RCU-safe manner | |
898 | */ | |
712bbfe4 | 899 | struct batadv_bla_claim { |
2006fea8 | 900 | uint8_t addr[ETH_ALEN]; |
eb2deb6b | 901 | unsigned short vid; |
bae98774 | 902 | struct batadv_bla_backbone_gw *backbone_gw; |
88a32c9a ML |
903 | unsigned long lasttime; |
904 | struct hlist_node hash_entry; | |
2006fea8 ML |
905 | struct rcu_head rcu; |
906 | atomic_t refcount; | |
2006fea8 ML |
907 | }; |
908 | #endif | |
909 | ||
88a32c9a ML |
910 | /** |
911 | * struct batadv_tt_common_entry - tt local & tt global common data | |
912 | * @addr: mac address of non-mesh client | |
c018ad3d | 913 | * @vid: VLAN identifier |
88a32c9a ML |
914 | * @hash_entry: hlist node for batadv_priv_tt::local_hash or for |
915 | * batadv_priv_tt::global_hash | |
916 | * @flags: various state handling flags (see batadv_tt_client_flags) | |
917 | * @added_at: timestamp used for purging stale tt common entries | |
918 | * @refcount: number of contexts the object is used | |
919 | * @rcu: struct used for freeing in an RCU-safe manner | |
920 | */ | |
56303d34 | 921 | struct batadv_tt_common_entry { |
c6c8fea2 | 922 | uint8_t addr[ETH_ALEN]; |
c018ad3d | 923 | unsigned short vid; |
93840ac4 | 924 | struct hlist_node hash_entry; |
5fbc1598 | 925 | uint16_t flags; |
30cfd02b | 926 | unsigned long added_at; |
7683fdc1 AQ |
927 | atomic_t refcount; |
928 | struct rcu_head rcu; | |
c6c8fea2 SE |
929 | }; |
930 | ||
88a32c9a ML |
931 | /** |
932 | * struct batadv_tt_local_entry - translation table local entry data | |
933 | * @common: general translation table data | |
934 | * @last_seen: timestamp used for purging stale tt local entries | |
935 | */ | |
56303d34 SE |
936 | struct batadv_tt_local_entry { |
937 | struct batadv_tt_common_entry common; | |
48100bac AQ |
938 | unsigned long last_seen; |
939 | }; | |
940 | ||
88a32c9a ML |
941 | /** |
942 | * struct batadv_tt_global_entry - translation table global entry data | |
943 | * @common: general translation table data | |
944 | * @orig_list: list of orig nodes announcing this non-mesh client | |
1d8ab8d3 | 945 | * @orig_list_count: number of items in the orig_list |
88a32c9a ML |
946 | * @list_lock: lock protecting orig_list |
947 | * @roam_at: time at which TT_GLOBAL_ROAM was set | |
948 | */ | |
56303d34 SE |
949 | struct batadv_tt_global_entry { |
950 | struct batadv_tt_common_entry common; | |
db08e6e5 | 951 | struct hlist_head orig_list; |
1d8ab8d3 | 952 | atomic_t orig_list_count; |
88a32c9a ML |
953 | spinlock_t list_lock; /* protects orig_list */ |
954 | unsigned long roam_at; | |
db08e6e5 SW |
955 | }; |
956 | ||
88a32c9a ML |
957 | /** |
958 | * struct batadv_tt_orig_list_entry - orig node announcing a non-mesh client | |
959 | * @orig_node: pointer to orig node announcing this non-mesh client | |
960 | * @ttvn: translation table version number which added the non-mesh client | |
961 | * @list: list node for batadv_tt_global_entry::orig_list | |
962 | * @refcount: number of contexts the object is used | |
963 | * @rcu: struct used for freeing in an RCU-safe manner | |
964 | */ | |
56303d34 SE |
965 | struct batadv_tt_orig_list_entry { |
966 | struct batadv_orig_node *orig_node; | |
a73105b8 | 967 | uint8_t ttvn; |
88a32c9a | 968 | struct hlist_node list; |
d657e621 | 969 | atomic_t refcount; |
db08e6e5 | 970 | struct rcu_head rcu; |
c6c8fea2 SE |
971 | }; |
972 | ||
88a32c9a | 973 | /** |
3f68785e | 974 | * struct batadv_tt_change_node - structure for tt changes occurred |
88a32c9a ML |
975 | * @list: list node for batadv_priv_tt::changes_list |
976 | * @change: holds the actual translation table diff data | |
977 | */ | |
56303d34 | 978 | struct batadv_tt_change_node { |
a73105b8 | 979 | struct list_head list; |
e1bf0c14 | 980 | struct batadv_tvlv_tt_change change; |
a73105b8 AQ |
981 | }; |
982 | ||
88a32c9a ML |
983 | /** |
984 | * struct batadv_tt_req_node - data to keep track of the tt requests in flight | |
985 | * @addr: mac address address of the originator this request was sent to | |
986 | * @issued_at: timestamp used for purging stale tt requests | |
987 | * @list: list node for batadv_priv_tt::req_list | |
988 | */ | |
56303d34 | 989 | struct batadv_tt_req_node { |
a73105b8 AQ |
990 | uint8_t addr[ETH_ALEN]; |
991 | unsigned long issued_at; | |
992 | struct list_head list; | |
993 | }; | |
994 | ||
88a32c9a ML |
995 | /** |
996 | * struct batadv_tt_roam_node - roaming client data | |
997 | * @addr: mac address of the client in the roaming phase | |
998 | * @counter: number of allowed roaming events per client within a single | |
999 | * OGM interval (changes are committed with each OGM) | |
1000 | * @first_time: timestamp used for purging stale roaming node entries | |
1001 | * @list: list node for batadv_priv_tt::roam_list | |
1002 | */ | |
56303d34 | 1003 | struct batadv_tt_roam_node { |
cc47f66e AQ |
1004 | uint8_t addr[ETH_ALEN]; |
1005 | atomic_t counter; | |
1006 | unsigned long first_time; | |
1007 | struct list_head list; | |
1008 | }; | |
1009 | ||
d56b1705 MH |
1010 | /** |
1011 | * struct batadv_nc_node - network coding node | |
1012 | * @list: next and prev pointer for the list handling | |
1013 | * @addr: the node's mac address | |
1014 | * @refcount: number of contexts the object is used by | |
1015 | * @rcu: struct used for freeing in an RCU-safe manner | |
1016 | * @orig_node: pointer to corresponding orig node struct | |
1017 | * @last_seen: timestamp of last ogm received from this node | |
1018 | */ | |
1019 | struct batadv_nc_node { | |
1020 | struct list_head list; | |
1021 | uint8_t addr[ETH_ALEN]; | |
1022 | atomic_t refcount; | |
1023 | struct rcu_head rcu; | |
1024 | struct batadv_orig_node *orig_node; | |
1025 | unsigned long last_seen; | |
1026 | }; | |
1027 | ||
95332477 MH |
1028 | /** |
1029 | * struct batadv_nc_path - network coding path | |
1030 | * @hash_entry: next and prev pointer for the list handling | |
1031 | * @rcu: struct used for freeing in an RCU-safe manner | |
1032 | * @refcount: number of contexts the object is used by | |
1033 | * @packet_list: list of buffered packets for this path | |
1034 | * @packet_list_lock: access lock for packet list | |
1035 | * @next_hop: next hop (destination) of path | |
1036 | * @prev_hop: previous hop (source) of path | |
1037 | * @last_valid: timestamp for last validation of path | |
1038 | */ | |
1039 | struct batadv_nc_path { | |
1040 | struct hlist_node hash_entry; | |
1041 | struct rcu_head rcu; | |
1042 | atomic_t refcount; | |
1043 | struct list_head packet_list; | |
1044 | spinlock_t packet_list_lock; /* Protects packet_list */ | |
1045 | uint8_t next_hop[ETH_ALEN]; | |
1046 | uint8_t prev_hop[ETH_ALEN]; | |
1047 | unsigned long last_valid; | |
1048 | }; | |
1049 | ||
1050 | /** | |
1051 | * struct batadv_nc_packet - network coding packet used when coding and | |
1052 | * decoding packets | |
1053 | * @list: next and prev pointer for the list handling | |
1054 | * @packet_id: crc32 checksum of skb data | |
1055 | * @timestamp: field containing the info when the packet was added to path | |
1056 | * @neigh_node: pointer to original next hop neighbor of skb | |
1057 | * @skb: skb which can be encoded or used for decoding | |
1058 | * @nc_path: pointer to path this nc packet is attached to | |
1059 | */ | |
1060 | struct batadv_nc_packet { | |
1061 | struct list_head list; | |
1062 | __be32 packet_id; | |
1063 | unsigned long timestamp; | |
1064 | struct batadv_neigh_node *neigh_node; | |
1065 | struct sk_buff *skb; | |
1066 | struct batadv_nc_path *nc_path; | |
1067 | }; | |
1068 | ||
3c12de9a | 1069 | /** |
1a321b0d SW |
1070 | * struct batadv_skb_cb - control buffer structure used to store private data |
1071 | * relevant to batman-adv in the skb->cb buffer in skbs. | |
3c12de9a MH |
1072 | * @decoded: Marks a skb as decoded, which is checked when searching for coding |
1073 | * opportunities in network-coding.c | |
1074 | */ | |
1075 | struct batadv_skb_cb { | |
1076 | bool decoded; | |
1077 | }; | |
1078 | ||
88a32c9a ML |
1079 | /** |
1080 | * struct batadv_forw_packet - structure for bcast packets to be sent/forwarded | |
1081 | * @list: list node for batadv_socket_client::queue_list | |
1082 | * @send_time: execution time for delayed_work (packet sending) | |
1083 | * @own: bool for locally generated packets (local OGMs are re-scheduled after | |
1084 | * sending) | |
1085 | * @skb: bcast packet's skb buffer | |
1086 | * @packet_len: size of aggregated OGM packet inside the skb buffer | |
1087 | * @direct_link_flags: direct link flags for aggregated OGM packets | |
1088 | * @num_packets: counter for bcast packet retransmission | |
1089 | * @delayed_work: work queue callback item for packet sending | |
ef0a937f SW |
1090 | * @if_incoming: pointer to incoming hard-iface or primary iface if |
1091 | * locally generated packet | |
1092 | * @if_outgoing: packet where the packet should be sent to, or NULL if | |
1093 | * unspecified | |
c6c8fea2 | 1094 | */ |
56303d34 | 1095 | struct batadv_forw_packet { |
c6c8fea2 SE |
1096 | struct hlist_node list; |
1097 | unsigned long send_time; | |
1098 | uint8_t own; | |
1099 | struct sk_buff *skb; | |
1100 | uint16_t packet_len; | |
1101 | uint32_t direct_link_flags; | |
1102 | uint8_t num_packets; | |
1103 | struct delayed_work delayed_work; | |
56303d34 | 1104 | struct batadv_hard_iface *if_incoming; |
ef0a937f | 1105 | struct batadv_hard_iface *if_outgoing; |
c6c8fea2 SE |
1106 | }; |
1107 | ||
88a32c9a ML |
1108 | /** |
1109 | * struct batadv_algo_ops - mesh algorithm callbacks | |
1110 | * @list: list node for the batadv_algo_list | |
1111 | * @name: name of the algorithm | |
1112 | * @bat_iface_enable: init routing info when hard-interface is enabled | |
1113 | * @bat_iface_disable: de-init routing info when hard-interface is disabled | |
1114 | * @bat_iface_update_mac: (re-)init mac addresses of the protocol information | |
1115 | * belonging to this hard-interface | |
1116 | * @bat_primary_iface_set: called when primary interface is selected / changed | |
1117 | * @bat_ogm_schedule: prepare a new outgoing OGM for the send queue | |
1118 | * @bat_ogm_emit: send scheduled OGM | |
89652331 SW |
1119 | * @bat_neigh_cmp: compare the metrics of two neighbors for their respective |
1120 | * outgoing interfaces | |
1121 | * @bat_neigh_is_equiv_or_better: check if neigh1 is equally good or better | |
1122 | * than neigh2 for their respective outgoing interface from the metric | |
1123 | * prospective | |
bcef1f3c AQ |
1124 | * @bat_neigh_free: free the resources allocated by the routing algorithm for a |
1125 | * neigh_node object | |
737a2a22 | 1126 | * @bat_orig_print: print the originator table (optional) |
d0015fdd AQ |
1127 | * @bat_orig_free: free the resources allocated by the routing algorithm for an |
1128 | * orig_node object | |
1129 | * @bat_orig_add_if: ask the routing algorithm to apply the needed changes to | |
1130 | * the orig_node due to a new hard-interface being added into the mesh | |
1131 | * @bat_orig_del_if: ask the routing algorithm to apply the needed changes to | |
1132 | * the orig_node due to an hard-interface being removed from the mesh | |
88a32c9a | 1133 | */ |
56303d34 | 1134 | struct batadv_algo_ops { |
1c280471 ML |
1135 | struct hlist_node list; |
1136 | char *name; | |
56303d34 | 1137 | int (*bat_iface_enable)(struct batadv_hard_iface *hard_iface); |
56303d34 | 1138 | void (*bat_iface_disable)(struct batadv_hard_iface *hard_iface); |
56303d34 | 1139 | void (*bat_iface_update_mac)(struct batadv_hard_iface *hard_iface); |
56303d34 | 1140 | void (*bat_primary_iface_set)(struct batadv_hard_iface *hard_iface); |
56303d34 | 1141 | void (*bat_ogm_schedule)(struct batadv_hard_iface *hard_iface); |
56303d34 | 1142 | void (*bat_ogm_emit)(struct batadv_forw_packet *forw_packet); |
bcef1f3c | 1143 | /* neigh_node handling API */ |
a3285a8f | 1144 | int (*bat_neigh_cmp)(struct batadv_neigh_node *neigh1, |
89652331 SW |
1145 | struct batadv_hard_iface *if_outgoing1, |
1146 | struct batadv_neigh_node *neigh2, | |
1147 | struct batadv_hard_iface *if_outgoing2); | |
1148 | bool (*bat_neigh_is_equiv_or_better) | |
1149 | (struct batadv_neigh_node *neigh1, | |
1150 | struct batadv_hard_iface *if_outgoing1, | |
1151 | struct batadv_neigh_node *neigh2, | |
1152 | struct batadv_hard_iface *if_outgoing2); | |
bcef1f3c | 1153 | void (*bat_neigh_free)(struct batadv_neigh_node *neigh); |
737a2a22 | 1154 | /* orig_node handling API */ |
cb1c92ec SW |
1155 | void (*bat_orig_print)(struct batadv_priv *priv, struct seq_file *seq, |
1156 | struct batadv_hard_iface *hard_iface); | |
d0015fdd AQ |
1157 | void (*bat_orig_free)(struct batadv_orig_node *orig_node); |
1158 | int (*bat_orig_add_if)(struct batadv_orig_node *orig_node, | |
1159 | int max_if_num); | |
1160 | int (*bat_orig_del_if)(struct batadv_orig_node *orig_node, | |
1161 | int max_if_num, int del_if_num); | |
1c280471 ML |
1162 | }; |
1163 | ||
2f1dfbe1 AQ |
1164 | /** |
1165 | * struct batadv_dat_entry - it is a single entry of batman-adv ARP backend. It | |
1166 | * is used to stored ARP entries needed for the global DAT cache | |
1167 | * @ip: the IPv4 corresponding to this DAT/ARP entry | |
1168 | * @mac_addr: the MAC address associated to the stored IPv4 | |
be1db4f6 | 1169 | * @vid: the vlan ID associated to this entry |
2f1dfbe1 AQ |
1170 | * @last_update: time in jiffies when this entry was refreshed last time |
1171 | * @hash_entry: hlist node for batadv_priv_dat::hash | |
1172 | * @refcount: number of contexts the object is used | |
1173 | * @rcu: struct used for freeing in an RCU-safe manner | |
1174 | */ | |
1175 | struct batadv_dat_entry { | |
1176 | __be32 ip; | |
1177 | uint8_t mac_addr[ETH_ALEN]; | |
be1db4f6 | 1178 | unsigned short vid; |
2f1dfbe1 AQ |
1179 | unsigned long last_update; |
1180 | struct hlist_node hash_entry; | |
1181 | atomic_t refcount; | |
1182 | struct rcu_head rcu; | |
1183 | }; | |
1184 | ||
c5caf4ef LL |
1185 | /** |
1186 | * struct batadv_hw_addr - a list entry for a MAC address | |
1187 | * @list: list node for the linking of entries | |
1188 | * @addr: the MAC address of this list entry | |
1189 | */ | |
1190 | struct batadv_hw_addr { | |
1191 | struct hlist_node list; | |
1192 | unsigned char addr[ETH_ALEN]; | |
1193 | }; | |
1194 | ||
785ea114 AQ |
1195 | /** |
1196 | * struct batadv_dat_candidate - candidate destination for DAT operations | |
1197 | * @type: the type of the selected candidate. It can one of the following: | |
1198 | * - BATADV_DAT_CANDIDATE_NOT_FOUND | |
1199 | * - BATADV_DAT_CANDIDATE_ORIG | |
1200 | * @orig_node: if type is BATADV_DAT_CANDIDATE_ORIG this field points to the | |
1201 | * corresponding originator node structure | |
1202 | */ | |
1203 | struct batadv_dat_candidate { | |
1204 | int type; | |
1205 | struct batadv_orig_node *orig_node; | |
1206 | }; | |
1207 | ||
ef261577 ML |
1208 | /** |
1209 | * struct batadv_tvlv_container - container for tvlv appended to OGMs | |
1210 | * @list: hlist node for batadv_priv_tvlv::container_list | |
1211 | * @tvlv_hdr: tvlv header information needed to construct the tvlv | |
1212 | * @value_len: length of the buffer following this struct which contains | |
1213 | * the actual tvlv payload | |
1214 | * @refcount: number of contexts the object is used | |
1215 | */ | |
1216 | struct batadv_tvlv_container { | |
1217 | struct hlist_node list; | |
1218 | struct batadv_tvlv_hdr tvlv_hdr; | |
1219 | atomic_t refcount; | |
1220 | }; | |
1221 | ||
1222 | /** | |
1223 | * struct batadv_tvlv_handler - handler for specific tvlv type and version | |
1224 | * @list: hlist node for batadv_priv_tvlv::handler_list | |
1225 | * @ogm_handler: handler callback which is given the tvlv payload to process on | |
1226 | * incoming OGM packets | |
1227 | * @unicast_handler: handler callback which is given the tvlv payload to process | |
1228 | * on incoming unicast tvlv packets | |
1229 | * @type: tvlv type this handler feels responsible for | |
1230 | * @version: tvlv version this handler feels responsible for | |
1231 | * @flags: tvlv handler flags | |
1232 | * @refcount: number of contexts the object is used | |
1233 | * @rcu: struct used for freeing in an RCU-safe manner | |
1234 | */ | |
1235 | struct batadv_tvlv_handler { | |
1236 | struct hlist_node list; | |
1237 | void (*ogm_handler)(struct batadv_priv *bat_priv, | |
1238 | struct batadv_orig_node *orig, | |
1239 | uint8_t flags, | |
1240 | void *tvlv_value, uint16_t tvlv_value_len); | |
1241 | int (*unicast_handler)(struct batadv_priv *bat_priv, | |
1242 | uint8_t *src, uint8_t *dst, | |
1243 | void *tvlv_value, uint16_t tvlv_value_len); | |
1244 | uint8_t type; | |
1245 | uint8_t version; | |
1246 | uint8_t flags; | |
1247 | atomic_t refcount; | |
1248 | struct rcu_head rcu; | |
1249 | }; | |
1250 | ||
1251 | /** | |
1252 | * enum batadv_tvlv_handler_flags - tvlv handler flags definitions | |
1253 | * @BATADV_TVLV_HANDLER_OGM_CIFNOTFND: tvlv ogm processing function will call | |
1254 | * this handler even if its type was not found (with no data) | |
1255 | * @BATADV_TVLV_HANDLER_OGM_CALLED: interval tvlv handling flag - the API marks | |
1256 | * a handler as being called, so it won't be called if the | |
1257 | * BATADV_TVLV_HANDLER_OGM_CIFNOTFND flag was set | |
1258 | */ | |
1259 | enum batadv_tvlv_handler_flags { | |
1260 | BATADV_TVLV_HANDLER_OGM_CIFNOTFND = BIT(1), | |
1261 | BATADV_TVLV_HANDLER_OGM_CALLED = BIT(2), | |
1262 | }; | |
1263 | ||
c6c8fea2 | 1264 | #endif /* _NET_BATMAN_ADV_TYPES_H_ */ |