Commit | Line | Data |
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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. |
722f069a S |
38 | * @WLAN_STA_SUSPEND: Set/cleared during a suspend/resume cycle. |
39 | * Used to deny ADDBA requests (both TX and RX). | |
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. | |
4cad6c7c S |
45 | * @WLAN_STA_DISASSOC: Disassociation in progress. |
46 | * This is used to reject TX BA session requests when disassociation | |
47 | * is in progress. | |
238814fd JB |
48 | */ |
49 | enum ieee80211_sta_info_flags { | |
50 | WLAN_STA_AUTH = 1<<0, | |
51 | WLAN_STA_ASSOC = 1<<1, | |
af818581 | 52 | WLAN_STA_PS_STA = 1<<2, |
836341a7 JB |
53 | WLAN_STA_AUTHORIZED = 1<<3, |
54 | WLAN_STA_SHORT_PREAMBLE = 1<<4, | |
55 | WLAN_STA_ASSOC_AP = 1<<5, | |
56 | WLAN_STA_WME = 1<<6, | |
57 | WLAN_STA_WDS = 1<<7, | |
d46e144b | 58 | WLAN_STA_CLEAR_PS_FILT = 1<<9, |
5394af4d | 59 | WLAN_STA_MFP = 1<<10, |
af818581 JB |
60 | WLAN_STA_SUSPEND = 1<<11, |
61 | WLAN_STA_PS_DRIVER = 1<<12, | |
62 | WLAN_STA_PSPOLL = 1<<13, | |
4cad6c7c | 63 | WLAN_STA_DISASSOC = 1<<14, |
238814fd | 64 | }; |
f0706e82 | 65 | |
5aae2880 RR |
66 | #define STA_TID_NUM 16 |
67 | #define ADDBA_RESP_INTERVAL HZ | |
80656c20 | 68 | #define HT_AGG_MAX_RETRIES (0x3) |
5aae2880 RR |
69 | |
70 | #define HT_AGG_STATE_INITIATOR_SHIFT (4) | |
71 | ||
80656c20 RR |
72 | #define HT_ADDBA_REQUESTED_MSK BIT(0) |
73 | #define HT_ADDBA_DRV_READY_MSK BIT(1) | |
74 | #define HT_ADDBA_RECEIVED_MSK BIT(2) | |
5aae2880 | 75 | #define HT_AGG_STATE_REQ_STOP_BA_MSK BIT(3) |
80656c20 | 76 | #define HT_AGG_STATE_INITIATOR_MSK BIT(HT_AGG_STATE_INITIATOR_SHIFT) |
5aae2880 | 77 | #define HT_AGG_STATE_IDLE (0x0) |
80656c20 RR |
78 | #define HT_AGG_STATE_OPERATIONAL (HT_ADDBA_REQUESTED_MSK | \ |
79 | HT_ADDBA_DRV_READY_MSK | \ | |
80 | HT_ADDBA_RECEIVED_MSK) | |
81 | ||
82 | /** | |
83 | * struct tid_ampdu_tx - TID aggregation information (Tx). | |
84 | * | |
80656c20 | 85 | * @addba_resp_timer: timer for peer's response to addba request |
cd8ffc80 | 86 | * @pending: pending frames queue -- use sta's spinlock to protect |
cee24a3e RR |
87 | * @ssn: Starting Sequence Number expected to be aggregated. |
88 | * @dialog_token: dialog token for aggregation session | |
80656c20 RR |
89 | */ |
90 | struct tid_ampdu_tx { | |
80656c20 | 91 | struct timer_list addba_resp_timer; |
cd8ffc80 | 92 | struct sk_buff_head pending; |
cee24a3e RR |
93 | u16 ssn; |
94 | u8 dialog_token; | |
80656c20 | 95 | }; |
5aae2880 RR |
96 | |
97 | /** | |
98 | * struct tid_ampdu_rx - TID aggregation information (Rx). | |
99 | * | |
5aae2880 | 100 | * @reorder_buf: buffer to reorder incoming aggregated MPDUs |
4d050f1d | 101 | * @reorder_time: jiffies when skb was added |
5aae2880 | 102 | * @session_timer: check if peer keeps Tx-ing on the TID (by timeout value) |
056cdd59 JB |
103 | * @head_seq_num: head sequence number in reordering buffer. |
104 | * @stored_mpdu_num: number of MPDUs in reordering buffer | |
cee24a3e RR |
105 | * @ssn: Starting Sequence Number expected to be aggregated. |
106 | * @buf_size: buffer size for incoming A-MPDUs | |
20ad19d0 | 107 | * @timeout: reset timer value (in TUs). |
cee24a3e | 108 | * @dialog_token: dialog token for aggregation session |
0a16ec5f | 109 | * @shutdown: this session is being shut down due to STA removal |
5aae2880 RR |
110 | */ |
111 | struct tid_ampdu_rx { | |
5aae2880 | 112 | struct sk_buff **reorder_buf; |
4d050f1d | 113 | unsigned long *reorder_time; |
5aae2880 | 114 | struct timer_list session_timer; |
056cdd59 JB |
115 | u16 head_seq_num; |
116 | u16 stored_mpdu_num; | |
cee24a3e RR |
117 | u16 ssn; |
118 | u16 buf_size; | |
119 | u16 timeout; | |
120 | u8 dialog_token; | |
55687e38 | 121 | bool shutdown; |
5aae2880 RR |
122 | }; |
123 | ||
b4e08ea1 LCC |
124 | /** |
125 | * enum plink_state - state of a mesh peer link finite state machine | |
126 | * | |
127 | * @PLINK_LISTEN: initial state, considered the implicit state of non existant | |
128 | * mesh peer links | |
129 | * @PLINK_OPN_SNT: mesh plink open frame has been sent to this mesh peer | |
130 | * @PLINK_OPN_RCVD: mesh plink open frame has been received from this mesh peer | |
131 | * @PLINK_CNF_RCVD: mesh plink confirm frame has been received from this mesh | |
132 | * peer | |
133 | * @PLINK_ESTAB: mesh peer link is established | |
134 | * @PLINK_HOLDING: mesh peer link is being closed or cancelled | |
135 | * @PLINK_BLOCKED: all frames transmitted from this mesh plink are discarded | |
136 | */ | |
ee385855 | 137 | enum plink_state { |
b4e08ea1 LCC |
138 | PLINK_LISTEN, |
139 | PLINK_OPN_SNT, | |
140 | PLINK_OPN_RCVD, | |
141 | PLINK_CNF_RCVD, | |
142 | PLINK_ESTAB, | |
143 | PLINK_HOLDING, | |
144 | PLINK_BLOCKED | |
ee385855 | 145 | }; |
ee385855 | 146 | |
5aae2880 RR |
147 | /** |
148 | * struct sta_ampdu_mlme - STA aggregation information. | |
149 | * | |
cee24a3e | 150 | * @tid_state_rx: TID's state in Rx session state machine. |
80656c20 | 151 | * @tid_rx: aggregation info for Rx per TID |
cee24a3e RR |
152 | * @tid_state_tx: TID's state in Tx session state machine. |
153 | * @tid_tx: aggregation info for Tx per TID | |
154 | * @addba_req_num: number of times addBA request has been sent. | |
80656c20 | 155 | * @dialog_token_allocator: dialog token enumerator for each new session; |
5aae2880 RR |
156 | */ |
157 | struct sta_ampdu_mlme { | |
cee24a3e RR |
158 | /* rx */ |
159 | u8 tid_state_rx[STA_TID_NUM]; | |
160 | struct tid_ampdu_rx *tid_rx[STA_TID_NUM]; | |
cee24a3e RR |
161 | /* tx */ |
162 | u8 tid_state_tx[STA_TID_NUM]; | |
163 | struct tid_ampdu_tx *tid_tx[STA_TID_NUM]; | |
164 | u8 addba_req_num[STA_TID_NUM]; | |
80656c20 | 165 | u8 dialog_token_allocator; |
5aae2880 | 166 | }; |
f0706e82 | 167 | |
d0709a65 | 168 | |
693b1bbc JB |
169 | /** |
170 | * struct sta_info - STA information | |
171 | * | |
172 | * This structure collects information about a station that | |
173 | * mac80211 is communicating with. | |
174 | * | |
175 | * @list: global linked list entry | |
176 | * @hnext: hash table linked list pointer | |
177 | * @local: pointer to the global information | |
e25cf4a6 JB |
178 | * @sdata: virtual interface this station belongs to |
179 | * @key: peer key negotiated with this station, if any | |
180 | * @rate_ctrl: rate control algorithm reference | |
181 | * @rate_ctrl_priv: rate control private per-STA pointer | |
182 | * @last_tx_rate: rate used for last transmit, to report to userspace as | |
183 | * "the" transmit rate | |
6ef307bc RD |
184 | * @lock: used for locking all fields that require locking, see comments |
185 | * in the header file. | |
186 | * @flaglock: spinlock for flags accesses | |
841507f5 | 187 | * @drv_unblock_wk: used for driver PS unblocking |
e25cf4a6 | 188 | * @listen_interval: listen interval of this station, when we're acting as AP |
693b1bbc JB |
189 | * @flags: STA flags, see &enum ieee80211_sta_info_flags |
190 | * @ps_tx_buf: buffer of frames to transmit to this station | |
191 | * when it leaves power saving state | |
192 | * @tx_filtered: buffer of frames we already tried to transmit | |
193 | * but were filtered by hardware due to STA having entered | |
194 | * power saving state | |
195 | * @rx_packets: Number of MSDUs received from this STA | |
196 | * @rx_bytes: Number of bytes received from this STA | |
e25cf4a6 JB |
197 | * @wep_weak_iv_count: number of weak WEP IVs received from this station |
198 | * @last_rx: time (in jiffies) when last frame was received from this STA | |
6ef307bc RD |
199 | * @num_duplicates: number of duplicate frames received from this STA |
200 | * @rx_fragments: number of received MPDUs | |
201 | * @rx_dropped: number of dropped MPDUs from this STA | |
202 | * @last_signal: signal of last received frame from this STA | |
6ef307bc RD |
203 | * @last_noise: noise of last received frame from this STA |
204 | * @last_seq_ctrl: last received seq/frag number from this STA (per RX queue) | |
e25cf4a6 JB |
205 | * @tx_filtered_count: number of frames the hardware filtered for this STA |
206 | * @tx_retry_failed: number of frames that failed retry | |
207 | * @tx_retry_count: total number of retries for frames to this STA | |
6ef307bc RD |
208 | * @fail_avg: moving percentage of failed MSDUs |
209 | * @tx_packets: number of RX/TX MSDUs | |
e25cf4a6 | 210 | * @tx_bytes: number of bytes transmitted to this STA |
6ef307bc | 211 | * @tx_fragments: number of transmitted MPDUs |
e25cf4a6 JB |
212 | * @tid_seq: per-TID sequence numbers for sending to this STA |
213 | * @ampdu_mlme: A-MPDU state machine state | |
6ef307bc | 214 | * @timer_to_tid: identity mapping to ID timers |
6ef307bc RD |
215 | * @llid: Local link ID |
216 | * @plid: Peer link ID | |
217 | * @reason: Cancel reason on PLINK_HOLDING state | |
218 | * @plink_retries: Retries in establishment | |
e25cf4a6 JB |
219 | * @ignore_plink_timer: ignore the peer-link timer (used internally) |
220 | * @plink_state: peer link state | |
221 | * @plink_timeout: timeout of peer link | |
222 | * @plink_timer: peer link watch timer | |
cce4c77b | 223 | * @plink_timer_was_running: used by suspend/resume to restore timers |
6ef307bc | 224 | * @debugfs: debug filesystem info |
17741cdc | 225 | * @sta: station information we share with the driver |
af818581 | 226 | * @dead: set to true when sta is unlinked |
34e89507 | 227 | * @uploaded: set to true when sta is uploaded to the driver |
693b1bbc | 228 | */ |
f0706e82 | 229 | struct sta_info { |
693b1bbc | 230 | /* General information, mostly static */ |
f0706e82 | 231 | struct list_head list; |
693b1bbc | 232 | struct sta_info *hnext; |
f0706e82 | 233 | struct ieee80211_local *local; |
d0709a65 | 234 | struct ieee80211_sub_if_data *sdata; |
f0706e82 | 235 | struct ieee80211_key *key; |
f0706e82 JB |
236 | struct rate_control_ref *rate_ctrl; |
237 | void *rate_ctrl_priv; | |
07346f81 | 238 | spinlock_t lock; |
5a9f7b04 | 239 | spinlock_t flaglock; |
17741cdc | 240 | |
af818581 JB |
241 | struct work_struct drv_unblock_wk; |
242 | ||
693b1bbc | 243 | u16 listen_interval; |
f0706e82 | 244 | |
af818581 JB |
245 | bool dead; |
246 | ||
34e89507 | 247 | bool uploaded; |
693b1bbc | 248 | |
5a9f7b04 JB |
249 | /* |
250 | * frequently updated, locked with own spinlock (flaglock), | |
251 | * use the accessors defined below | |
252 | */ | |
693b1bbc JB |
253 | u32 flags; |
254 | ||
255 | /* | |
256 | * STA powersave frame queues, no more than the internal | |
257 | * locking required. | |
258 | */ | |
259 | struct sk_buff_head ps_tx_buf; | |
260 | struct sk_buff_head tx_filtered; | |
261 | ||
262 | /* Updated from RX path only, no locking requirements */ | |
263 | unsigned long rx_packets, rx_bytes; | |
264 | unsigned long wep_weak_iv_count; | |
265 | unsigned long last_rx; | |
6ef307bc RD |
266 | unsigned long num_duplicates; |
267 | unsigned long rx_fragments; | |
268 | unsigned long rx_dropped; | |
269 | int last_signal; | |
6ef307bc | 270 | int last_noise; |
693b1bbc | 271 | __le16 last_seq_ctrl[NUM_RX_DATA_QUEUES]; |
693b1bbc JB |
272 | |
273 | /* Updated from TX status path only, no locking requirements */ | |
274 | unsigned long tx_filtered_count; | |
275 | unsigned long tx_retry_failed, tx_retry_count; | |
693b1bbc JB |
276 | /* moving percentage of failed MSDUs */ |
277 | unsigned int fail_avg; | |
278 | ||
279 | /* Updated from TX path only, no locking requirements */ | |
6ef307bc | 280 | unsigned long tx_packets; |
693b1bbc | 281 | unsigned long tx_bytes; |
6ef307bc | 282 | unsigned long tx_fragments; |
e6a9854b | 283 | struct ieee80211_tx_rate last_tx_rate; |
f591fa5d | 284 | u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1]; |
f0706e82 | 285 | |
d0709a65 | 286 | /* |
07346f81 | 287 | * Aggregation information, locked with lock. |
d0709a65 | 288 | */ |
5aae2880 | 289 | struct sta_ampdu_mlme ampdu_mlme; |
6ef307bc | 290 | u8 timer_to_tid[STA_TID_NUM]; |
693b1bbc | 291 | |
ee385855 | 292 | #ifdef CONFIG_MAC80211_MESH |
693b1bbc JB |
293 | /* |
294 | * Mesh peer link attributes | |
295 | * TODO: move to a sub-structure that is referenced with pointer? | |
296 | */ | |
6ef307bc RD |
297 | __le16 llid; |
298 | __le16 plid; | |
299 | __le16 reason; | |
300 | u8 plink_retries; | |
7495883b | 301 | bool ignore_plink_timer; |
5bb644a0 | 302 | bool plink_timer_was_running; |
ee385855 LCC |
303 | enum plink_state plink_state; |
304 | u32 plink_timeout; | |
305 | struct timer_list plink_timer; | |
ee385855 | 306 | #endif |
10816d40 | 307 | |
e9f207f0 JB |
308 | #ifdef CONFIG_MAC80211_DEBUGFS |
309 | struct sta_info_debugfsdentries { | |
310 | struct dentry *dir; | |
63044e9f | 311 | bool add_has_run; |
e9f207f0 JB |
312 | } debugfs; |
313 | #endif | |
17741cdc JB |
314 | |
315 | /* keep last! */ | |
316 | struct ieee80211_sta sta; | |
f0706e82 JB |
317 | }; |
318 | ||
d6d1a5a7 JB |
319 | static inline enum plink_state sta_plink_state(struct sta_info *sta) |
320 | { | |
321 | #ifdef CONFIG_MAC80211_MESH | |
322 | return sta->plink_state; | |
323 | #endif | |
b4e08ea1 | 324 | return PLINK_LISTEN; |
d6d1a5a7 JB |
325 | } |
326 | ||
07346f81 JB |
327 | static inline void set_sta_flags(struct sta_info *sta, const u32 flags) |
328 | { | |
5a9f7b04 JB |
329 | unsigned long irqfl; |
330 | ||
331 | spin_lock_irqsave(&sta->flaglock, irqfl); | |
07346f81 | 332 | sta->flags |= flags; |
5a9f7b04 | 333 | spin_unlock_irqrestore(&sta->flaglock, irqfl); |
07346f81 JB |
334 | } |
335 | ||
336 | static inline void clear_sta_flags(struct sta_info *sta, const u32 flags) | |
337 | { | |
5a9f7b04 JB |
338 | unsigned long irqfl; |
339 | ||
340 | spin_lock_irqsave(&sta->flaglock, irqfl); | |
07346f81 | 341 | sta->flags &= ~flags; |
5a9f7b04 | 342 | spin_unlock_irqrestore(&sta->flaglock, irqfl); |
07346f81 JB |
343 | } |
344 | ||
07346f81 JB |
345 | static inline u32 test_sta_flags(struct sta_info *sta, const u32 flags) |
346 | { | |
347 | u32 ret; | |
5a9f7b04 | 348 | unsigned long irqfl; |
07346f81 | 349 | |
5a9f7b04 | 350 | spin_lock_irqsave(&sta->flaglock, irqfl); |
07346f81 | 351 | ret = sta->flags & flags; |
5a9f7b04 | 352 | spin_unlock_irqrestore(&sta->flaglock, irqfl); |
07346f81 JB |
353 | |
354 | return ret; | |
355 | } | |
356 | ||
357 | static inline u32 test_and_clear_sta_flags(struct sta_info *sta, | |
358 | const u32 flags) | |
359 | { | |
360 | u32 ret; | |
5a9f7b04 | 361 | unsigned long irqfl; |
07346f81 | 362 | |
5a9f7b04 | 363 | spin_lock_irqsave(&sta->flaglock, irqfl); |
07346f81 JB |
364 | ret = sta->flags & flags; |
365 | sta->flags &= ~flags; | |
5a9f7b04 | 366 | spin_unlock_irqrestore(&sta->flaglock, irqfl); |
07346f81 JB |
367 | |
368 | return ret; | |
369 | } | |
370 | ||
371 | static inline u32 get_sta_flags(struct sta_info *sta) | |
372 | { | |
373 | u32 ret; | |
5a9f7b04 | 374 | unsigned long irqfl; |
07346f81 | 375 | |
5a9f7b04 | 376 | spin_lock_irqsave(&sta->flaglock, irqfl); |
07346f81 | 377 | ret = sta->flags; |
5a9f7b04 | 378 | spin_unlock_irqrestore(&sta->flaglock, irqfl); |
07346f81 JB |
379 | |
380 | return ret; | |
381 | } | |
382 | ||
f0706e82 | 383 | |
f0706e82 JB |
384 | |
385 | #define STA_HASH_SIZE 256 | |
386 | #define STA_HASH(sta) (sta[5]) | |
387 | ||
388 | ||
389 | /* Maximum number of frames to buffer per power saving station */ | |
390 | #define STA_MAX_TX_BUFFER 128 | |
391 | ||
392 | /* Minimum buffered frame expiry time. If STA uses listen interval that is | |
393 | * smaller than this value, the minimum value here is used instead. */ | |
394 | #define STA_TX_BUFFER_EXPIRE (10 * HZ) | |
395 | ||
396 | /* How often station data is cleaned up (e.g., expiration of buffered frames) | |
397 | */ | |
398 | #define STA_INFO_CLEANUP_INTERVAL (10 * HZ) | |
399 | ||
d0709a65 | 400 | /* |
abe60632 | 401 | * Get a STA info, must be under RCU read lock. |
d0709a65 | 402 | */ |
abe60632 JB |
403 | struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata, |
404 | const u8 *addr); | |
405 | ||
0e5ded5a FF |
406 | struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata, |
407 | const u8 *addr); | |
408 | ||
abe60632 JB |
409 | static inline |
410 | void for_each_sta_info_type_check(struct ieee80211_local *local, | |
411 | const u8 *addr, | |
412 | struct sta_info *sta, | |
413 | struct sta_info *nxt) | |
414 | { | |
415 | } | |
416 | ||
417 | #define for_each_sta_info(local, _addr, sta, nxt) \ | |
418 | for ( /* initialise loop */ \ | |
419 | sta = rcu_dereference(local->sta_hash[STA_HASH(_addr)]),\ | |
420 | nxt = sta ? rcu_dereference(sta->hnext) : NULL; \ | |
421 | /* typecheck */ \ | |
422 | for_each_sta_info_type_check(local, (_addr), sta, nxt), \ | |
423 | /* continue condition */ \ | |
424 | sta; \ | |
425 | /* advance loop */ \ | |
426 | sta = nxt, \ | |
427 | nxt = sta ? rcu_dereference(sta->hnext) : NULL \ | |
428 | ) \ | |
429 | /* compare address and run code only if it matches */ \ | |
430 | if (memcmp(sta->sta.addr, (_addr), ETH_ALEN) == 0) | |
431 | ||
d0709a65 JB |
432 | /* |
433 | * Get STA info by index, BROKEN! | |
434 | */ | |
3b53fde8 JB |
435 | struct sta_info *sta_info_get_by_idx(struct ieee80211_sub_if_data *sdata, |
436 | int idx); | |
d0709a65 | 437 | /* |
73651ee6 JB |
438 | * Create a new STA info, caller owns returned structure |
439 | * until sta_info_insert(). | |
d0709a65 | 440 | */ |
73651ee6 JB |
441 | struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata, |
442 | u8 *addr, gfp_t gfp); | |
443 | /* | |
444 | * Insert STA info into hash table/list, returns zero or a | |
445 | * -EEXIST if (if the same MAC address is already present). | |
446 | * | |
34e89507 JB |
447 | * Calling the non-rcu version makes the caller relinquish, |
448 | * the _rcu version calls read_lock_rcu() and must be called | |
449 | * without it held. | |
73651ee6 JB |
450 | */ |
451 | int sta_info_insert(struct sta_info *sta); | |
34e89507 JB |
452 | int sta_info_insert_rcu(struct sta_info *sta) __acquires(RCU); |
453 | int sta_info_insert_atomic(struct sta_info *sta); | |
454 | ||
455 | int sta_info_destroy_addr(struct ieee80211_sub_if_data *sdata, | |
456 | const u8 *addr); | |
457 | int sta_info_destroy_addr_bss(struct ieee80211_sub_if_data *sdata, | |
458 | const u8 *addr); | |
f0706e82 | 459 | |
004c872e JB |
460 | void sta_info_set_tim_bit(struct sta_info *sta); |
461 | void sta_info_clear_tim_bit(struct sta_info *sta); | |
462 | ||
d0709a65 JB |
463 | void sta_info_init(struct ieee80211_local *local); |
464 | int sta_info_start(struct ieee80211_local *local); | |
465 | void sta_info_stop(struct ieee80211_local *local); | |
44213b5e | 466 | int sta_info_flush(struct ieee80211_local *local, |
af8cdcd8 | 467 | struct ieee80211_sub_if_data *sdata); |
24723d1b JB |
468 | void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata, |
469 | unsigned long exp_time); | |
d0709a65 | 470 | |
af818581 JB |
471 | void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta); |
472 | void ieee80211_sta_ps_deliver_poll_response(struct sta_info *sta); | |
473 | ||
f0706e82 | 474 | #endif /* STA_INFO_H */ |