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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 | ||
18 | #ifndef _NET_BATMAN_ADV_MAIN_H_ | |
19 | #define _NET_BATMAN_ADV_MAIN_H_ | |
20 | ||
bc58eeef | 21 | #define BATADV_DRIVER_AUTHOR "Marek Lindner <mareklindner@neomailbox.ch>, " \ |
c679ff8f | 22 | "Simon Wunderlich <sw@simonwunderlich.de>" |
42d0b044 SE |
23 | #define BATADV_DRIVER_DESC "B.A.T.M.A.N. advanced" |
24 | #define BATADV_DRIVER_DEVICE "batman-adv" | |
c6c8fea2 | 25 | |
42d0b044 | 26 | #ifndef BATADV_SOURCE_VERSION |
70e71776 | 27 | #define BATADV_SOURCE_VERSION "2015.1" |
44c4349a | 28 | #endif |
c6c8fea2 SE |
29 | |
30 | /* B.A.T.M.A.N. parameters */ | |
31 | ||
42d0b044 SE |
32 | #define BATADV_TQ_MAX_VALUE 255 |
33 | #define BATADV_JITTER 20 | |
c6c8fea2 | 34 | |
9cfc7bd6 | 35 | /* Time To Live of broadcast messages */ |
42d0b044 | 36 | #define BATADV_TTL 50 |
6e215fd8 SE |
37 | |
38 | /* purge originators after time in seconds if no valid packet comes in | |
42d0b044 | 39 | * -> TODO: check influence on BATADV_TQ_LOCAL_WINDOW_SIZE |
9cfc7bd6 | 40 | */ |
42d0b044 | 41 | #define BATADV_PURGE_TIMEOUT 200000 /* 200 seconds */ |
7cf4d520 | 42 | #define BATADV_TT_LOCAL_TIMEOUT 600000 /* in milliseconds */ |
a51fb9b2 | 43 | #define BATADV_TT_CLIENT_ROAM_TIMEOUT 600000 /* in milliseconds */ |
30cfd02b | 44 | #define BATADV_TT_CLIENT_TEMP_TIMEOUT 600000 /* in milliseconds */ |
72414442 AQ |
45 | #define BATADV_TT_WORK_PERIOD 5000 /* 5 seconds */ |
46 | #define BATADV_ORIG_WORK_PERIOD 1000 /* 1 second */ | |
2f1dfbe1 | 47 | #define BATADV_DAT_ENTRY_TIMEOUT (5*60000) /* 5 mins in milliseconds */ |
015758d0 | 48 | /* sliding packet range of received originator messages in sequence numbers |
9cfc7bd6 SE |
49 | * (should be a multiple of our word size) |
50 | */ | |
42d0b044 | 51 | #define BATADV_TQ_LOCAL_WINDOW_SIZE 64 |
a51fb9b2 | 52 | /* milliseconds we have to keep pending tt_req */ |
42d0b044 | 53 | #define BATADV_TT_REQUEST_TIMEOUT 3000 |
a73105b8 | 54 | |
42d0b044 SE |
55 | #define BATADV_TQ_GLOBAL_WINDOW_SIZE 5 |
56 | #define BATADV_TQ_LOCAL_BIDRECT_SEND_MINIMUM 1 | |
57 | #define BATADV_TQ_LOCAL_BIDRECT_RECV_MINIMUM 1 | |
58 | #define BATADV_TQ_TOTAL_BIDRECT_LIMIT 1 | |
c6c8fea2 | 59 | |
42d0b044 SE |
60 | /* number of OGMs sent with the last tt diff */ |
61 | #define BATADV_TT_OGM_APPEND_MAX 3 | |
a73105b8 | 62 | |
9cfc7bd6 | 63 | /* Time in which a client can roam at most ROAMING_MAX_COUNT times in |
a51fb9b2 | 64 | * milliseconds |
9cfc7bd6 | 65 | */ |
42d0b044 SE |
66 | #define BATADV_ROAMING_MAX_TIME 20000 |
67 | #define BATADV_ROAMING_MAX_COUNT 5 | |
cc47f66e | 68 | |
42d0b044 | 69 | #define BATADV_NO_FLAGS 0 |
ecbd5321 | 70 | |
42d0b044 | 71 | #define BATADV_NULL_IFINDEX 0 /* dummy ifindex used to avoid iface checks */ |
bc279080 | 72 | |
9464d071 AQ |
73 | #define BATADV_NO_MARK 0 |
74 | ||
89652331 SW |
75 | /* default interface for multi interface operation. The default interface is |
76 | * used for communication which originated locally (i.e. is not forwarded) | |
77 | * or where special forwarding is not desired/necessary. | |
78 | */ | |
79 | #define BATADV_IF_DEFAULT ((struct batadv_hard_iface *)NULL) | |
80 | ||
42d0b044 | 81 | #define BATADV_NUM_WORDS BITS_TO_LONGS(BATADV_TQ_LOCAL_WINDOW_SIZE) |
c6c8fea2 | 82 | |
42d0b044 | 83 | #define BATADV_LOG_BUF_LEN 8192 /* has to be a power of 2 */ |
c6c8fea2 | 84 | |
caf65bfc MS |
85 | /* number of packets to send for broadcasts on different interface types */ |
86 | #define BATADV_NUM_BCASTS_DEFAULT 1 | |
87 | #define BATADV_NUM_BCASTS_WIRELESS 3 | |
88 | #define BATADV_NUM_BCASTS_MAX 3 | |
89 | ||
c384ea3e AQ |
90 | /* msecs after which an ARP_REQUEST is sent in broadcast as fallback */ |
91 | #define ARP_REQ_DELAY 250 | |
785ea114 AQ |
92 | /* numbers of originator to contact for any PUT/GET DHT operation */ |
93 | #define BATADV_DAT_CANDIDATES_NUM 3 | |
94 | ||
a0e28775 MH |
95 | /* BATADV_TQ_SIMILARITY_THRESHOLD - TQ points that a secondary metric can differ |
96 | * at most from the primary one in order to be still considered acceptable | |
c43c981e AQ |
97 | */ |
98 | #define BATADV_TQ_SIMILARITY_THRESHOLD 50 | |
99 | ||
6e215fd8 | 100 | /* how much worse secondary interfaces may be to be considered as bonding |
9cfc7bd6 SE |
101 | * candidates |
102 | */ | |
42d0b044 | 103 | #define BATADV_BONDING_TQ_THRESHOLD 50 |
c6c8fea2 | 104 | |
6e215fd8 | 105 | /* should not be bigger than 512 bytes or change the size of |
9cfc7bd6 SE |
106 | * forw_packet->direct_link_flags |
107 | */ | |
42d0b044 SE |
108 | #define BATADV_MAX_AGGREGATION_BYTES 512 |
109 | #define BATADV_MAX_AGGREGATION_MS 100 | |
c6c8fea2 | 110 | |
42d0b044 SE |
111 | #define BATADV_BLA_PERIOD_LENGTH 10000 /* 10 seconds */ |
112 | #define BATADV_BLA_BACKBONE_TIMEOUT (BATADV_BLA_PERIOD_LENGTH * 3) | |
113 | #define BATADV_BLA_CLAIM_TIMEOUT (BATADV_BLA_PERIOD_LENGTH * 10) | |
28709878 | 114 | #define BATADV_BLA_WAIT_PERIODS 3 |
fe2da6ff | 115 | |
42d0b044 SE |
116 | #define BATADV_DUPLIST_SIZE 16 |
117 | #define BATADV_DUPLIST_TIMEOUT 500 /* 500 ms */ | |
6e215fd8 | 118 | /* don't reset again within 30 seconds */ |
42d0b044 SE |
119 | #define BATADV_RESET_PROTECTION_MS 30000 |
120 | #define BATADV_EXPECTED_SEQNO_RANGE 65536 | |
c6c8fea2 | 121 | |
d56b1705 MH |
122 | #define BATADV_NC_NODE_TIMEOUT 10000 /* Milliseconds */ |
123 | ||
39c75a51 SE |
124 | enum batadv_mesh_state { |
125 | BATADV_MESH_INACTIVE, | |
126 | BATADV_MESH_ACTIVE, | |
127 | BATADV_MESH_DEACTIVATING, | |
e8958dbf | 128 | }; |
c6c8fea2 | 129 | |
42d0b044 SE |
130 | #define BATADV_BCAST_QUEUE_LEN 256 |
131 | #define BATADV_BATMAN_QUEUE_LEN 256 | |
c6c8fea2 | 132 | |
39c75a51 SE |
133 | enum batadv_uev_action { |
134 | BATADV_UEV_ADD = 0, | |
135 | BATADV_UEV_DEL, | |
136 | BATADV_UEV_CHANGE, | |
c6bda689 AQ |
137 | }; |
138 | ||
39c75a51 SE |
139 | enum batadv_uev_type { |
140 | BATADV_UEV_GW = 0, | |
c6bda689 AQ |
141 | }; |
142 | ||
42d0b044 | 143 | #define BATADV_GW_THRESHOLD 50 |
43676ab5 | 144 | |
610bfc6b MH |
145 | /* Number of fragment chains for each orig_node */ |
146 | #define BATADV_FRAG_BUFFER_COUNT 8 | |
147 | /* Maximum number of fragments for one packet */ | |
148 | #define BATADV_FRAG_MAX_FRAGMENTS 16 | |
149 | /* Maxumim size of each fragment */ | |
150 | #define BATADV_FRAG_MAX_FRAG_SIZE 1400 | |
151 | /* Time to keep fragments while waiting for rest of the fragments */ | |
152 | #define BATADV_FRAG_TIMEOUT 10000 | |
153 | ||
785ea114 AQ |
154 | #define BATADV_DAT_CANDIDATE_NOT_FOUND 0 |
155 | #define BATADV_DAT_CANDIDATE_ORIG 1 | |
156 | ||
21a1236b | 157 | /* Debug Messages */ |
c6c8fea2 SE |
158 | #ifdef pr_fmt |
159 | #undef pr_fmt | |
160 | #endif | |
6e215fd8 SE |
161 | /* Append 'batman-adv: ' before kernel messages */ |
162 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
c6c8fea2 | 163 | |
21a1236b | 164 | /* Kernel headers */ |
c6c8fea2 SE |
165 | |
166 | #include <linux/mutex.h> /* mutex */ | |
167 | #include <linux/module.h> /* needed by all modules */ | |
168 | #include <linux/netdevice.h> /* netdevice */ | |
015758d0 | 169 | #include <linux/etherdevice.h> /* ethernet address classification */ |
c6c8fea2 SE |
170 | #include <linux/if_ether.h> /* ethernet header */ |
171 | #include <linux/poll.h> /* poll_table */ | |
172 | #include <linux/kthread.h> /* kernel threads */ | |
173 | #include <linux/pkt_sched.h> /* schedule types */ | |
174 | #include <linux/workqueue.h> /* workqueue */ | |
f8214865 | 175 | #include <linux/percpu.h> |
c6c8fea2 SE |
176 | #include <linux/slab.h> |
177 | #include <net/sock.h> /* struct sock */ | |
c5caf4ef | 178 | #include <net/addrconf.h> /* ipv6 address stuff */ |
ab49886e | 179 | #include <linux/ip.h> |
a4ac28c0 | 180 | #include <net/rtnetlink.h> |
c6c8fea2 SE |
181 | #include <linux/jiffies.h> |
182 | #include <linux/seq_file.h> | |
16052789 AQ |
183 | #include <linux/if_vlan.h> |
184 | ||
c6c8fea2 SE |
185 | #include "types.h" |
186 | ||
eb2deb6b AQ |
187 | #define BATADV_PRINT_VID(vid) (vid & BATADV_VLAN_HAS_TAG ? \ |
188 | (int)(vid & VLAN_VID_MASK) : -1) | |
189 | ||
3193e8fd SE |
190 | extern char batadv_routing_algo[]; |
191 | extern struct list_head batadv_hardif_list; | |
192 | ||
193 | extern unsigned char batadv_broadcast_addr[]; | |
194 | extern struct workqueue_struct *batadv_event_workqueue; | |
195 | ||
196 | int batadv_mesh_init(struct net_device *soft_iface); | |
197 | void batadv_mesh_free(struct net_device *soft_iface); | |
fe8a93b9 | 198 | int batadv_is_my_mac(struct batadv_priv *bat_priv, const uint8_t *addr); |
30da63a6 ML |
199 | struct batadv_hard_iface * |
200 | batadv_seq_print_text_primary_if_get(struct seq_file *seq); | |
411d6ed9 | 201 | int batadv_max_header_len(void); |
c54f38c9 | 202 | void batadv_skb_set_priority(struct sk_buff *skb, int offset); |
3193e8fd SE |
203 | int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev, |
204 | struct packet_type *ptype, | |
205 | struct net_device *orig_dev); | |
56303d34 SE |
206 | int |
207 | batadv_recv_handler_register(uint8_t packet_type, | |
208 | int (*recv_handler)(struct sk_buff *, | |
209 | struct batadv_hard_iface *)); | |
3193e8fd | 210 | void batadv_recv_handler_unregister(uint8_t packet_type); |
56303d34 SE |
211 | int batadv_algo_register(struct batadv_algo_ops *bat_algo_ops); |
212 | int batadv_algo_select(struct batadv_priv *bat_priv, char *name); | |
3193e8fd | 213 | int batadv_algo_seq_print_text(struct seq_file *seq, void *offset); |
95a066d8 | 214 | __be32 batadv_skb_crc32(struct sk_buff *skb, u8 *payload_ptr); |
c6c8fea2 | 215 | |
0aca86cd AQ |
216 | /** |
217 | * enum batadv_dbg_level - available log levels | |
218 | * @BATADV_DBG_BATMAN: OGM and TQ computations related messages | |
219 | * @BATADV_DBG_ROUTES: route added / changed / deleted | |
220 | * @BATADV_DBG_TT: translation table messages | |
221 | * @BATADV_DBG_BLA: bridge loop avoidance messages | |
0e861a3c | 222 | * @BATADV_DBG_DAT: ARP snooping and DAT related messages |
d353d8d4 | 223 | * @BATADV_DBG_NC: network coding related messages |
0aca86cd AQ |
224 | * @BATADV_DBG_ALL: the union of all the above log levels |
225 | */ | |
8de47de5 SE |
226 | enum batadv_dbg_level { |
227 | BATADV_DBG_BATMAN = BIT(0), | |
0aca86cd AQ |
228 | BATADV_DBG_ROUTES = BIT(1), |
229 | BATADV_DBG_TT = BIT(2), | |
230 | BATADV_DBG_BLA = BIT(3), | |
0e861a3c | 231 | BATADV_DBG_DAT = BIT(4), |
d353d8d4 MH |
232 | BATADV_DBG_NC = BIT(5), |
233 | BATADV_DBG_ALL = 63, | |
8de47de5 SE |
234 | }; |
235 | ||
c6c8fea2 | 236 | #ifdef CONFIG_BATMAN_ADV_DEBUG |
56303d34 | 237 | int batadv_debug_log(struct batadv_priv *bat_priv, const char *fmt, ...) |
40a072d7 | 238 | __printf(2, 3); |
c6c8fea2 | 239 | |
23c4ec10 AG |
240 | /* possibly ratelimited debug output */ |
241 | #define _batadv_dbg(type, bat_priv, ratelimited, fmt, arg...) \ | |
c6c8fea2 | 242 | do { \ |
23c4ec10 AG |
243 | if (atomic_read(&bat_priv->log_level) & type && \ |
244 | (!ratelimited || net_ratelimit())) \ | |
40a072d7 | 245 | batadv_debug_log(bat_priv, fmt, ## arg);\ |
c6c8fea2 SE |
246 | } \ |
247 | while (0) | |
248 | #else /* !CONFIG_BATMAN_ADV_DEBUG */ | |
23c4ec10 AG |
249 | __printf(4, 5) |
250 | static inline void _batadv_dbg(int type __always_unused, | |
251 | struct batadv_priv *bat_priv __always_unused, | |
252 | int ratelimited __always_unused, | |
253 | const char *fmt __always_unused, ...) | |
c6c8fea2 SE |
254 | { |
255 | } | |
256 | #endif | |
257 | ||
23c4ec10 AG |
258 | #define batadv_dbg(type, bat_priv, arg...) \ |
259 | _batadv_dbg(type, bat_priv, 0, ## arg) | |
260 | #define batadv_dbg_ratelimited(type, bat_priv, arg...) \ | |
261 | _batadv_dbg(type, bat_priv, 1, ## arg) | |
262 | ||
3e34819e | 263 | #define batadv_info(net_dev, fmt, arg...) \ |
c6c8fea2 SE |
264 | do { \ |
265 | struct net_device *_netdev = (net_dev); \ | |
56303d34 | 266 | struct batadv_priv *_batpriv = netdev_priv(_netdev); \ |
39c75a51 | 267 | batadv_dbg(BATADV_DBG_ALL, _batpriv, fmt, ## arg); \ |
c6c8fea2 SE |
268 | pr_info("%s: " fmt, _netdev->name, ## arg); \ |
269 | } while (0) | |
3e34819e | 270 | #define batadv_err(net_dev, fmt, arg...) \ |
c6c8fea2 SE |
271 | do { \ |
272 | struct net_device *_netdev = (net_dev); \ | |
56303d34 | 273 | struct batadv_priv *_batpriv = netdev_priv(_netdev); \ |
39c75a51 | 274 | batadv_dbg(BATADV_DBG_ALL, _batpriv, fmt, ## arg); \ |
c6c8fea2 SE |
275 | pr_err("%s: " fmt, _netdev->name, ## arg); \ |
276 | } while (0) | |
277 | ||
9cfc7bd6 | 278 | /* returns 1 if they are the same ethernet addr |
39901e71 | 279 | * |
c3923b7a | 280 | * note: can't use ether_addr_equal() as it requires aligned memory |
39901e71 | 281 | */ |
1eda58bf | 282 | static inline int batadv_compare_eth(const void *data1, const void *data2) |
39901e71 | 283 | { |
d9cd4fe5 | 284 | return ether_addr_equal_unaligned(data1, data2); |
39901e71 ML |
285 | } |
286 | ||
2c53040f BH |
287 | /** |
288 | * has_timed_out - compares current time (jiffies) and timestamp + timeout | |
a04ccd59 MH |
289 | * @timestamp: base value to compare with (in jiffies) |
290 | * @timeout: added to base value before comparing (in milliseconds) | |
291 | * | |
292 | * Returns true if current time is after timestamp + timeout | |
293 | */ | |
1eda58bf SE |
294 | static inline bool batadv_has_timed_out(unsigned long timestamp, |
295 | unsigned int timeout) | |
a04ccd59 MH |
296 | { |
297 | return time_is_before_jiffies(timestamp + msecs_to_jiffies(timeout)); | |
298 | } | |
747e4221 | 299 | |
3e34819e | 300 | #define batadv_atomic_dec_not_zero(v) atomic_add_unless((v), -1, 0) |
5f657ec0 | 301 | |
f5d33d37 | 302 | /* Returns the smallest signed integer in two's complement with the sizeof x */ |
3e34819e | 303 | #define batadv_smallest_signed_int(x) (1u << (7u + 8u * (sizeof(x) - 1u))) |
f5d33d37 AQ |
304 | |
305 | /* Checks if a sequence number x is a predecessor/successor of y. | |
306 | * they handle overflows/underflows and can correctly check for a | |
307 | * predecessor/successor unless the variable sequence number has grown by | |
308 | * more then 2**(bitwidth(x)-1)-1. | |
309 | * This means that for a uint8_t with the maximum value 255, it would think: | |
310 | * - when adding nothing - it is neither a predecessor nor a successor | |
311 | * - before adding more than 127 to the starting value - it is a predecessor, | |
312 | * - when adding 128 - it is neither a predecessor nor a successor, | |
9cfc7bd6 SE |
313 | * - after adding more than 127 to the starting value - it is a successor |
314 | */ | |
9687a31c AQ |
315 | #define batadv_seq_before(x, y) ({typeof(x)_d1 = (x); \ |
316 | typeof(y)_d2 = (y); \ | |
317 | typeof(x)_dummy = (_d1 - _d2); \ | |
318 | (void)(&_d1 == &_d2); \ | |
3e34819e SE |
319 | _dummy > batadv_smallest_signed_int(_dummy); }) |
320 | #define batadv_seq_after(x, y) batadv_seq_before(y, x) | |
f5d33d37 | 321 | |
f8214865 | 322 | /* Stop preemption on local cpu while incrementing the counter */ |
56303d34 | 323 | static inline void batadv_add_counter(struct batadv_priv *bat_priv, size_t idx, |
f8214865 MH |
324 | size_t count) |
325 | { | |
56917443 | 326 | this_cpu_add(bat_priv->bat_counters[idx], count); |
f8214865 MH |
327 | } |
328 | ||
329 | #define batadv_inc_counter(b, i) batadv_add_counter(b, i, 1) | |
330 | ||
331 | /* Sum and return the cpu-local counters for index 'idx' */ | |
56303d34 SE |
332 | static inline uint64_t batadv_sum_counter(struct batadv_priv *bat_priv, |
333 | size_t idx) | |
f8214865 | 334 | { |
0c5e45b6 | 335 | uint64_t *counters, sum = 0; |
f8214865 | 336 | int cpu; |
f8214865 MH |
337 | |
338 | for_each_possible_cpu(cpu) { | |
339 | counters = per_cpu_ptr(bat_priv->bat_counters, cpu); | |
340 | sum += counters[idx]; | |
341 | } | |
342 | ||
343 | return sum; | |
344 | } | |
345 | ||
3c12de9a MH |
346 | /* Define a macro to reach the control buffer of the skb. The members of the |
347 | * control buffer are defined in struct batadv_skb_cb in types.h. | |
348 | * The macro is inspired by the similar macro TCP_SKB_CB() in tcp.h. | |
349 | */ | |
350 | #define BATADV_SKB_CB(__skb) ((struct batadv_skb_cb *)&((__skb)->cb[0])) | |
351 | ||
ef261577 ML |
352 | void batadv_tvlv_container_register(struct batadv_priv *bat_priv, |
353 | uint8_t type, uint8_t version, | |
354 | void *tvlv_value, uint16_t tvlv_value_len); | |
355 | uint16_t batadv_tvlv_container_ogm_append(struct batadv_priv *bat_priv, | |
356 | unsigned char **packet_buff, | |
357 | int *packet_buff_len, | |
358 | int packet_min_len); | |
359 | void batadv_tvlv_ogm_receive(struct batadv_priv *bat_priv, | |
360 | struct batadv_ogm_packet *batadv_ogm_packet, | |
361 | struct batadv_orig_node *orig_node); | |
362 | void batadv_tvlv_container_unregister(struct batadv_priv *bat_priv, | |
363 | uint8_t type, uint8_t version); | |
364 | ||
365 | void batadv_tvlv_handler_register(struct batadv_priv *bat_priv, | |
366 | void (*optr)(struct batadv_priv *bat_priv, | |
367 | struct batadv_orig_node *orig, | |
368 | uint8_t flags, | |
369 | void *tvlv_value, | |
370 | uint16_t tvlv_value_len), | |
371 | int (*uptr)(struct batadv_priv *bat_priv, | |
372 | uint8_t *src, uint8_t *dst, | |
373 | void *tvlv_value, | |
374 | uint16_t tvlv_value_len), | |
375 | uint8_t type, uint8_t version, uint8_t flags); | |
376 | void batadv_tvlv_handler_unregister(struct batadv_priv *bat_priv, | |
377 | uint8_t type, uint8_t version); | |
378 | int batadv_tvlv_containers_process(struct batadv_priv *bat_priv, | |
379 | bool ogm_source, | |
380 | struct batadv_orig_node *orig_node, | |
381 | uint8_t *src, uint8_t *dst, | |
382 | void *tvlv_buff, uint16_t tvlv_buff_len); | |
383 | void batadv_tvlv_unicast_send(struct batadv_priv *bat_priv, uint8_t *src, | |
384 | uint8_t *dst, uint8_t type, uint8_t version, | |
385 | void *tvlv_value, uint16_t tvlv_value_len); | |
c018ad3d | 386 | unsigned short batadv_get_vid(struct sk_buff *skb, size_t header_len); |
eceb22ae | 387 | bool batadv_vlan_ap_isola_get(struct batadv_priv *bat_priv, unsigned short vid); |
ef261577 | 388 | |
c6c8fea2 | 389 | #endif /* _NET_BATMAN_ADV_MAIN_H_ */ |