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f0706e82 JB |
1 | /* |
2 | * Copyright 2002-2005, Devicescape Software, Inc. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License version 2 as | |
6 | * published by the Free Software Foundation. | |
7 | */ | |
8 | ||
9 | #ifndef STA_INFO_H | |
10 | #define STA_INFO_H | |
11 | ||
12 | #include <linux/list.h> | |
13 | #include <linux/types.h> | |
14 | #include <linux/if_ether.h> | |
af818581 | 15 | #include <linux/workqueue.h> |
2c8dccc7 | 16 | #include "key.h" |
f0706e82 | 17 | |
238814fd JB |
18 | /** |
19 | * enum ieee80211_sta_info_flags - Stations flags | |
20 | * | |
21 | * These flags are used with &struct sta_info's @flags member. | |
22 | * | |
23 | * @WLAN_STA_AUTH: Station is authenticated. | |
24 | * @WLAN_STA_ASSOC: Station is associated. | |
af818581 | 25 | * @WLAN_STA_PS_STA: Station is in power-save mode |
238814fd JB |
26 | * @WLAN_STA_AUTHORIZED: Station is authorized to send/receive traffic. |
27 | * This bit is always checked so needs to be enabled for all stations | |
28 | * when virtual port control is not in use. | |
29 | * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble | |
30 | * frames. | |
31 | * @WLAN_STA_ASSOC_AP: We're associated to that station, it is an AP. | |
32 | * @WLAN_STA_WME: Station is a QoS-STA. | |
33 | * @WLAN_STA_WDS: Station is one of our WDS peers. | |
d46e144b | 34 | * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the |
e039fa4a | 35 | * IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next |
d46e144b | 36 | * frame to this station is transmitted. |
5394af4d | 37 | * @WLAN_STA_MFP: Management frame protection is used with this STA. |
618f356b | 38 | * @WLAN_STA_BLOCK_BA: Used to deny ADDBA requests (both TX and RX) |
098a6070 | 39 | * during suspend/resume and station removal. |
af818581 JB |
40 | * @WLAN_STA_PS_DRIVER: driver requires keeping this station in |
41 | * power-save mode logically to flush frames that might still | |
42 | * be in the queues | |
43 | * @WLAN_STA_PSPOLL: Station sent PS-poll while driver was keeping | |
44 | * station in power-save mode, reply when the driver unblocks. | |
238814fd JB |
45 | */ |
46 | enum ieee80211_sta_info_flags { | |
47 | WLAN_STA_AUTH = 1<<0, | |
48 | WLAN_STA_ASSOC = 1<<1, | |
af818581 | 49 | WLAN_STA_PS_STA = 1<<2, |
836341a7 JB |
50 | WLAN_STA_AUTHORIZED = 1<<3, |
51 | WLAN_STA_SHORT_PREAMBLE = 1<<4, | |
52 | WLAN_STA_ASSOC_AP = 1<<5, | |
53 | WLAN_STA_WME = 1<<6, | |
54 | WLAN_STA_WDS = 1<<7, | |
d46e144b | 55 | WLAN_STA_CLEAR_PS_FILT = 1<<9, |
5394af4d | 56 | WLAN_STA_MFP = 1<<10, |
618f356b | 57 | WLAN_STA_BLOCK_BA = 1<<11, |
af818581 JB |
58 | WLAN_STA_PS_DRIVER = 1<<12, |
59 | WLAN_STA_PSPOLL = 1<<13, | |
238814fd | 60 | }; |
f0706e82 | 61 | |
5aae2880 RR |
62 | #define STA_TID_NUM 16 |
63 | #define ADDBA_RESP_INTERVAL HZ | |
a622ab72 | 64 | #define HT_AGG_MAX_RETRIES 0x3 |
5aae2880 | 65 | |
a622ab72 JB |
66 | #define HT_AGG_STATE_DRV_READY 0 |
67 | #define HT_AGG_STATE_RESPONSE_RECEIVED 1 | |
68 | #define HT_AGG_STATE_OPERATIONAL 2 | |
69 | #define HT_AGG_STATE_STOPPING 3 | |
80656c20 RR |
70 | |
71 | /** | |
72 | * struct tid_ampdu_tx - TID aggregation information (Tx). | |
73 | * | |
a622ab72 | 74 | * @rcu_head: rcu head for freeing structure |
80656c20 | 75 | * @addba_resp_timer: timer for peer's response to addba request |
cd8ffc80 | 76 | * @pending: pending frames queue -- use sta's spinlock to protect |
cee24a3e RR |
77 | * @ssn: Starting Sequence Number expected to be aggregated. |
78 | * @dialog_token: dialog token for aggregation session | |
a622ab72 JB |
79 | * @state: session state (see above) |
80 | * @stop_initiator: initiator of a session stop | |
81 | * | |
82 | * This structure is protected by RCU and the per-station | |
83 | * spinlock. Assignments to the array holding it must hold | |
84 | * the spinlock, only the TX path can access it under RCU | |
85 | * lock-free if, and only if, the state has the flag | |
86 | * %HT_AGG_STATE_OPERATIONAL set. Otherwise, the TX path | |
87 | * must also acquire the spinlock and re-check the state, | |
88 | * see comments in the tx code touching it. | |
80656c20 RR |
89 | */ |
90 | struct tid_ampdu_tx { | |
a622ab72 | 91 | struct rcu_head rcu_head; |
80656c20 | 92 | struct timer_list addba_resp_timer; |
cd8ffc80 | 93 | struct sk_buff_head pending; |
a622ab72 | 94 | unsigned long state; |
cee24a3e RR |
95 | u16 ssn; |
96 | u8 dialog_token; | |
a622ab72 | 97 | u8 stop_initiator; |
80656c20 | 98 | }; |
5aae2880 RR |
99 | |
100 | /** | |
101 | * struct tid_ampdu_rx - TID aggregation information (Rx). | |
102 | * | |
5aae2880 | 103 | * @reorder_buf: buffer to reorder incoming aggregated MPDUs |
4d050f1d | 104 | * @reorder_time: jiffies when skb was added |
5aae2880 | 105 | * @session_timer: check if peer keeps Tx-ing on the TID (by timeout value) |
056cdd59 JB |
106 | * @head_seq_num: head sequence number in reordering buffer. |
107 | * @stored_mpdu_num: number of MPDUs in reordering buffer | |
cee24a3e RR |
108 | * @ssn: Starting Sequence Number expected to be aggregated. |
109 | * @buf_size: buffer size for incoming A-MPDUs | |
20ad19d0 | 110 | * @timeout: reset timer value (in TUs). |
cee24a3e | 111 | * @dialog_token: dialog token for aggregation session |
a87f736d JB |
112 | * @rcu_head: RCU head used for freeing this struct |
113 | * | |
114 | * This structure is protected by RCU and the per-station | |
115 | * spinlock. Assignments to the array holding it must hold | |
116 | * the spinlock, only the RX path can access it under RCU | |
117 | * lock-free. The RX path, since it is single-threaded, | |
118 | * can even modify the structure without locking since the | |
119 | * only other modifications to it are done when the struct | |
120 | * can not yet or no longer be found by the RX path. | |
5aae2880 RR |
121 | */ |
122 | struct tid_ampdu_rx { | |
a87f736d | 123 | struct rcu_head rcu_head; |
5aae2880 | 124 | struct sk_buff **reorder_buf; |
4d050f1d | 125 | unsigned long *reorder_time; |
5aae2880 | 126 | struct timer_list session_timer; |
056cdd59 JB |
127 | u16 head_seq_num; |
128 | u16 stored_mpdu_num; | |
cee24a3e RR |
129 | u16 ssn; |
130 | u16 buf_size; | |
131 | u16 timeout; | |
132 | u8 dialog_token; | |
5aae2880 RR |
133 | }; |
134 | ||
fcea6007 JB |
135 | /** |
136 | * struct sta_ampdu_mlme - STA aggregation information. | |
137 | * | |
a87f736d | 138 | * @tid_rx: aggregation info for Rx per TID -- RCU protected |
fcea6007 JB |
139 | * @tid_tx: aggregation info for Tx per TID |
140 | * @addba_req_num: number of times addBA request has been sent. | |
141 | * @dialog_token_allocator: dialog token enumerator for each new session; | |
142 | */ | |
143 | struct sta_ampdu_mlme { | |
144 | /* rx */ | |
fcea6007 JB |
145 | struct tid_ampdu_rx *tid_rx[STA_TID_NUM]; |
146 | /* tx */ | |
fcea6007 JB |
147 | struct tid_ampdu_tx *tid_tx[STA_TID_NUM]; |
148 | u8 addba_req_num[STA_TID_NUM]; | |
149 | u8 dialog_token_allocator; | |
150 | }; | |
151 | ||
152 | ||
b4e08ea1 LCC |
153 | /** |
154 | * enum plink_state - state of a mesh peer link finite state machine | |
155 | * | |
156 | * @PLINK_LISTEN: initial state, considered the implicit state of non existant | |
157 | * mesh peer links | |
158 | * @PLINK_OPN_SNT: mesh plink open frame has been sent to this mesh peer | |
159 | * @PLINK_OPN_RCVD: mesh plink open frame has been received from this mesh peer | |
160 | * @PLINK_CNF_RCVD: mesh plink confirm frame has been received from this mesh | |
161 | * peer | |
162 | * @PLINK_ESTAB: mesh peer link is established | |
163 | * @PLINK_HOLDING: mesh peer link is being closed or cancelled | |
164 | * @PLINK_BLOCKED: all frames transmitted from this mesh plink are discarded | |
165 | */ | |
ee385855 | 166 | enum plink_state { |
b4e08ea1 LCC |
167 | PLINK_LISTEN, |
168 | PLINK_OPN_SNT, | |
169 | PLINK_OPN_RCVD, | |
170 | PLINK_CNF_RCVD, | |
171 | PLINK_ESTAB, | |
172 | PLINK_HOLDING, | |
173 | PLINK_BLOCKED | |
ee385855 | 174 | }; |
ee385855 | 175 | |
693b1bbc JB |
176 | /** |
177 | * struct sta_info - STA information | |
178 | * | |
179 | * This structure collects information about a station that | |
180 | * mac80211 is communicating with. | |
181 | * | |
182 | * @list: global linked list entry | |
183 | * @hnext: hash table linked list pointer | |
184 | * @local: pointer to the global information | |
e25cf4a6 JB |
185 | * @sdata: virtual interface this station belongs to |
186 | * @key: peer key negotiated with this station, if any | |
187 | * @rate_ctrl: rate control algorithm reference | |
188 | * @rate_ctrl_priv: rate control private per-STA pointer | |
189 | * @last_tx_rate: rate used for last transmit, to report to userspace as | |
190 | * "the" transmit rate | |
6ef307bc RD |
191 | * @lock: used for locking all fields that require locking, see comments |
192 | * in the header file. | |
193 | * @flaglock: spinlock for flags accesses | |
841507f5 | 194 | * @drv_unblock_wk: used for driver PS unblocking |
e25cf4a6 | 195 | * @listen_interval: listen interval of this station, when we're acting as AP |
693b1bbc JB |
196 | * @flags: STA flags, see &enum ieee80211_sta_info_flags |
197 | * @ps_tx_buf: buffer of frames to transmit to this station | |
198 | * when it leaves power saving state | |
199 | * @tx_filtered: buffer of frames we already tried to transmit | |
200 | * but were filtered by hardware due to STA having entered | |
201 | * power saving state | |
202 | * @rx_packets: Number of MSDUs received from this STA | |
203 | * @rx_bytes: Number of bytes received from this STA | |
e25cf4a6 JB |
204 | * @wep_weak_iv_count: number of weak WEP IVs received from this station |
205 | * @last_rx: time (in jiffies) when last frame was received from this STA | |
6ef307bc RD |
206 | * @num_duplicates: number of duplicate frames received from this STA |
207 | * @rx_fragments: number of received MPDUs | |
208 | * @rx_dropped: number of dropped MPDUs from this STA | |
209 | * @last_signal: signal of last received frame from this STA | |
6ef307bc | 210 | * @last_seq_ctrl: last received seq/frag number from this STA (per RX queue) |
e25cf4a6 JB |
211 | * @tx_filtered_count: number of frames the hardware filtered for this STA |
212 | * @tx_retry_failed: number of frames that failed retry | |
213 | * @tx_retry_count: total number of retries for frames to this STA | |
6ef307bc RD |
214 | * @fail_avg: moving percentage of failed MSDUs |
215 | * @tx_packets: number of RX/TX MSDUs | |
e25cf4a6 | 216 | * @tx_bytes: number of bytes transmitted to this STA |
6ef307bc | 217 | * @tx_fragments: number of transmitted MPDUs |
e25cf4a6 JB |
218 | * @tid_seq: per-TID sequence numbers for sending to this STA |
219 | * @ampdu_mlme: A-MPDU state machine state | |
6ef307bc | 220 | * @timer_to_tid: identity mapping to ID timers |
6ef307bc RD |
221 | * @llid: Local link ID |
222 | * @plid: Peer link ID | |
223 | * @reason: Cancel reason on PLINK_HOLDING state | |
224 | * @plink_retries: Retries in establishment | |
e25cf4a6 JB |
225 | * @ignore_plink_timer: ignore the peer-link timer (used internally) |
226 | * @plink_state: peer link state | |
227 | * @plink_timeout: timeout of peer link | |
228 | * @plink_timer: peer link watch timer | |
cce4c77b | 229 | * @plink_timer_was_running: used by suspend/resume to restore timers |
6ef307bc | 230 | * @debugfs: debug filesystem info |
17741cdc | 231 | * @sta: station information we share with the driver |
af818581 | 232 | * @dead: set to true when sta is unlinked |
34e89507 | 233 | * @uploaded: set to true when sta is uploaded to the driver |
693b1bbc | 234 | */ |
f0706e82 | 235 | struct sta_info { |
693b1bbc | 236 | /* General information, mostly static */ |
f0706e82 | 237 | struct list_head list; |
693b1bbc | 238 | struct sta_info *hnext; |
f0706e82 | 239 | struct ieee80211_local *local; |
d0709a65 | 240 | struct ieee80211_sub_if_data *sdata; |
f0706e82 | 241 | struct ieee80211_key *key; |
f0706e82 JB |
242 | struct rate_control_ref *rate_ctrl; |
243 | void *rate_ctrl_priv; | |
07346f81 | 244 | spinlock_t lock; |
5a9f7b04 | 245 | spinlock_t flaglock; |
17741cdc | 246 | |
af818581 JB |
247 | struct work_struct drv_unblock_wk; |
248 | ||
693b1bbc | 249 | u16 listen_interval; |
f0706e82 | 250 | |
af818581 JB |
251 | bool dead; |
252 | ||
34e89507 | 253 | bool uploaded; |
693b1bbc | 254 | |
5a9f7b04 JB |
255 | /* |
256 | * frequently updated, locked with own spinlock (flaglock), | |
257 | * use the accessors defined below | |
258 | */ | |
693b1bbc JB |
259 | u32 flags; |
260 | ||
261 | /* | |
262 | * STA powersave frame queues, no more than the internal | |
263 | * locking required. | |
264 | */ | |
265 | struct sk_buff_head ps_tx_buf; | |
266 | struct sk_buff_head tx_filtered; | |
267 | ||
268 | /* Updated from RX path only, no locking requirements */ | |
269 | unsigned long rx_packets, rx_bytes; | |
270 | unsigned long wep_weak_iv_count; | |
271 | unsigned long last_rx; | |
6ef307bc RD |
272 | unsigned long num_duplicates; |
273 | unsigned long rx_fragments; | |
274 | unsigned long rx_dropped; | |
275 | int last_signal; | |
693b1bbc | 276 | __le16 last_seq_ctrl[NUM_RX_DATA_QUEUES]; |
693b1bbc JB |
277 | |
278 | /* Updated from TX status path only, no locking requirements */ | |
279 | unsigned long tx_filtered_count; | |
280 | unsigned long tx_retry_failed, tx_retry_count; | |
693b1bbc JB |
281 | /* moving percentage of failed MSDUs */ |
282 | unsigned int fail_avg; | |
283 | ||
284 | /* Updated from TX path only, no locking requirements */ | |
6ef307bc | 285 | unsigned long tx_packets; |
693b1bbc | 286 | unsigned long tx_bytes; |
6ef307bc | 287 | unsigned long tx_fragments; |
e6a9854b | 288 | struct ieee80211_tx_rate last_tx_rate; |
f591fa5d | 289 | u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1]; |
f0706e82 | 290 | |
d0709a65 | 291 | /* |
07346f81 | 292 | * Aggregation information, locked with lock. |
d0709a65 | 293 | */ |
5aae2880 | 294 | struct sta_ampdu_mlme ampdu_mlme; |
6ef307bc | 295 | u8 timer_to_tid[STA_TID_NUM]; |
693b1bbc | 296 | |
ee385855 | 297 | #ifdef CONFIG_MAC80211_MESH |
693b1bbc JB |
298 | /* |
299 | * Mesh peer link attributes | |
300 | * TODO: move to a sub-structure that is referenced with pointer? | |
301 | */ | |
6ef307bc RD |
302 | __le16 llid; |
303 | __le16 plid; | |
304 | __le16 reason; | |
305 | u8 plink_retries; | |
7495883b | 306 | bool ignore_plink_timer; |
5bb644a0 | 307 | bool plink_timer_was_running; |
ee385855 LCC |
308 | enum plink_state plink_state; |
309 | u32 plink_timeout; | |
310 | struct timer_list plink_timer; | |
ee385855 | 311 | #endif |
10816d40 | 312 | |
e9f207f0 JB |
313 | #ifdef CONFIG_MAC80211_DEBUGFS |
314 | struct sta_info_debugfsdentries { | |
315 | struct dentry *dir; | |
63044e9f | 316 | bool add_has_run; |
e9f207f0 JB |
317 | } debugfs; |
318 | #endif | |
17741cdc JB |
319 | |
320 | /* keep last! */ | |
321 | struct ieee80211_sta sta; | |
f0706e82 JB |
322 | }; |
323 | ||
d6d1a5a7 JB |
324 | static inline enum plink_state sta_plink_state(struct sta_info *sta) |
325 | { | |
326 | #ifdef CONFIG_MAC80211_MESH | |
327 | return sta->plink_state; | |
328 | #endif | |
b4e08ea1 | 329 | return PLINK_LISTEN; |
d6d1a5a7 JB |
330 | } |
331 | ||
07346f81 JB |
332 | static inline void set_sta_flags(struct sta_info *sta, const u32 flags) |
333 | { | |
5a9f7b04 JB |
334 | unsigned long irqfl; |
335 | ||
336 | spin_lock_irqsave(&sta->flaglock, irqfl); | |
07346f81 | 337 | sta->flags |= flags; |
5a9f7b04 | 338 | spin_unlock_irqrestore(&sta->flaglock, irqfl); |
07346f81 JB |
339 | } |
340 | ||
341 | static inline void clear_sta_flags(struct sta_info *sta, const u32 flags) | |
342 | { | |
5a9f7b04 JB |
343 | unsigned long irqfl; |
344 | ||
345 | spin_lock_irqsave(&sta->flaglock, irqfl); | |
07346f81 | 346 | sta->flags &= ~flags; |
5a9f7b04 | 347 | spin_unlock_irqrestore(&sta->flaglock, irqfl); |
07346f81 JB |
348 | } |
349 | ||
07346f81 JB |
350 | static inline u32 test_sta_flags(struct sta_info *sta, const u32 flags) |
351 | { | |
352 | u32 ret; | |
5a9f7b04 | 353 | unsigned long irqfl; |
07346f81 | 354 | |
5a9f7b04 | 355 | spin_lock_irqsave(&sta->flaglock, irqfl); |
07346f81 | 356 | ret = sta->flags & flags; |
5a9f7b04 | 357 | spin_unlock_irqrestore(&sta->flaglock, irqfl); |
07346f81 JB |
358 | |
359 | return ret; | |
360 | } | |
361 | ||
362 | static inline u32 test_and_clear_sta_flags(struct sta_info *sta, | |
363 | const u32 flags) | |
364 | { | |
365 | u32 ret; | |
5a9f7b04 | 366 | unsigned long irqfl; |
07346f81 | 367 | |
5a9f7b04 | 368 | spin_lock_irqsave(&sta->flaglock, irqfl); |
07346f81 JB |
369 | ret = sta->flags & flags; |
370 | sta->flags &= ~flags; | |
5a9f7b04 | 371 | spin_unlock_irqrestore(&sta->flaglock, irqfl); |
07346f81 JB |
372 | |
373 | return ret; | |
374 | } | |
375 | ||
376 | static inline u32 get_sta_flags(struct sta_info *sta) | |
377 | { | |
378 | u32 ret; | |
5a9f7b04 | 379 | unsigned long irqfl; |
07346f81 | 380 | |
5a9f7b04 | 381 | spin_lock_irqsave(&sta->flaglock, irqfl); |
07346f81 | 382 | ret = sta->flags; |
5a9f7b04 | 383 | spin_unlock_irqrestore(&sta->flaglock, irqfl); |
07346f81 JB |
384 | |
385 | return ret; | |
386 | } | |
387 | ||
f0706e82 | 388 | |
f0706e82 JB |
389 | |
390 | #define STA_HASH_SIZE 256 | |
391 | #define STA_HASH(sta) (sta[5]) | |
392 | ||
393 | ||
394 | /* Maximum number of frames to buffer per power saving station */ | |
395 | #define STA_MAX_TX_BUFFER 128 | |
396 | ||
397 | /* Minimum buffered frame expiry time. If STA uses listen interval that is | |
398 | * smaller than this value, the minimum value here is used instead. */ | |
399 | #define STA_TX_BUFFER_EXPIRE (10 * HZ) | |
400 | ||
401 | /* How often station data is cleaned up (e.g., expiration of buffered frames) | |
402 | */ | |
403 | #define STA_INFO_CLEANUP_INTERVAL (10 * HZ) | |
404 | ||
d0709a65 | 405 | /* |
abe60632 | 406 | * Get a STA info, must be under RCU read lock. |
d0709a65 | 407 | */ |
abe60632 JB |
408 | struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata, |
409 | const u8 *addr); | |
410 | ||
0e5ded5a FF |
411 | struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata, |
412 | const u8 *addr); | |
413 | ||
abe60632 JB |
414 | static inline |
415 | void for_each_sta_info_type_check(struct ieee80211_local *local, | |
416 | const u8 *addr, | |
417 | struct sta_info *sta, | |
418 | struct sta_info *nxt) | |
419 | { | |
420 | } | |
421 | ||
422 | #define for_each_sta_info(local, _addr, sta, nxt) \ | |
423 | for ( /* initialise loop */ \ | |
424 | sta = rcu_dereference(local->sta_hash[STA_HASH(_addr)]),\ | |
425 | nxt = sta ? rcu_dereference(sta->hnext) : NULL; \ | |
426 | /* typecheck */ \ | |
427 | for_each_sta_info_type_check(local, (_addr), sta, nxt), \ | |
428 | /* continue condition */ \ | |
429 | sta; \ | |
430 | /* advance loop */ \ | |
431 | sta = nxt, \ | |
432 | nxt = sta ? rcu_dereference(sta->hnext) : NULL \ | |
433 | ) \ | |
434 | /* compare address and run code only if it matches */ \ | |
435 | if (memcmp(sta->sta.addr, (_addr), ETH_ALEN) == 0) | |
436 | ||
d0709a65 JB |
437 | /* |
438 | * Get STA info by index, BROKEN! | |
439 | */ | |
3b53fde8 JB |
440 | struct sta_info *sta_info_get_by_idx(struct ieee80211_sub_if_data *sdata, |
441 | int idx); | |
d0709a65 | 442 | /* |
73651ee6 JB |
443 | * Create a new STA info, caller owns returned structure |
444 | * until sta_info_insert(). | |
d0709a65 | 445 | */ |
73651ee6 JB |
446 | struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata, |
447 | u8 *addr, gfp_t gfp); | |
448 | /* | |
449 | * Insert STA info into hash table/list, returns zero or a | |
450 | * -EEXIST if (if the same MAC address is already present). | |
451 | * | |
34e89507 JB |
452 | * Calling the non-rcu version makes the caller relinquish, |
453 | * the _rcu version calls read_lock_rcu() and must be called | |
454 | * without it held. | |
73651ee6 JB |
455 | */ |
456 | int sta_info_insert(struct sta_info *sta); | |
34e89507 JB |
457 | int sta_info_insert_rcu(struct sta_info *sta) __acquires(RCU); |
458 | int sta_info_insert_atomic(struct sta_info *sta); | |
459 | ||
460 | int sta_info_destroy_addr(struct ieee80211_sub_if_data *sdata, | |
461 | const u8 *addr); | |
462 | int sta_info_destroy_addr_bss(struct ieee80211_sub_if_data *sdata, | |
463 | const u8 *addr); | |
f0706e82 | 464 | |
004c872e JB |
465 | void sta_info_set_tim_bit(struct sta_info *sta); |
466 | void sta_info_clear_tim_bit(struct sta_info *sta); | |
467 | ||
d0709a65 JB |
468 | void sta_info_init(struct ieee80211_local *local); |
469 | int sta_info_start(struct ieee80211_local *local); | |
470 | void sta_info_stop(struct ieee80211_local *local); | |
44213b5e | 471 | int sta_info_flush(struct ieee80211_local *local, |
af8cdcd8 | 472 | struct ieee80211_sub_if_data *sdata); |
24723d1b JB |
473 | void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata, |
474 | unsigned long exp_time); | |
d0709a65 | 475 | |
af818581 JB |
476 | void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta); |
477 | void ieee80211_sta_ps_deliver_poll_response(struct sta_info *sta); | |
478 | ||
f0706e82 | 479 | #endif /* STA_INFO_H */ |