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Ivo van Doorn95ea3622007-09-25 17:57:13 -07001/*
Ivo van Doorn811aa9c2008-02-03 15:42:53 +01002 Copyright (C) 2004 - 2008 rt2x00 SourceForge Project
Ivo van Doorn95ea3622007-09-25 17:57:13 -07003 <http://rt2x00.serialmonkey.com>
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the
17 Free Software Foundation, Inc.,
18 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 */
20
21/*
22 Module: rt2x00
23 Abstract: rt2x00 global information.
24 */
25
26#ifndef RT2X00_H
27#define RT2X00_H
28
29#include <linux/bitops.h>
Ivo van Doorn95ea3622007-09-25 17:57:13 -070030#include <linux/skbuff.h>
31#include <linux/workqueue.h>
32#include <linux/firmware.h>
Ivo van Doorna9450b72008-02-03 15:53:40 +010033#include <linux/leds.h>
Adam Baker3d823462007-10-27 13:43:29 +020034#include <linux/mutex.h>
Mattias Nissler61af43c2007-11-27 21:50:26 +010035#include <linux/etherdevice.h>
Ivo van Doorn95ea3622007-09-25 17:57:13 -070036
37#include <net/mac80211.h>
38
39#include "rt2x00debug.h"
Ivo van Doorna9450b72008-02-03 15:53:40 +010040#include "rt2x00leds.h"
Ivo van Doorn95ea3622007-09-25 17:57:13 -070041#include "rt2x00reg.h"
Ivo van Doorn181d6902008-02-05 16:42:23 -050042#include "rt2x00queue.h"
Ivo van Doorn95ea3622007-09-25 17:57:13 -070043
44/*
45 * Module information.
Ivo van Doorn95ea3622007-09-25 17:57:13 -070046 */
Ivo van Doorn35e032d2008-08-29 21:07:22 +020047#define DRV_VERSION "2.2.1"
Ivo van Doorn95ea3622007-09-25 17:57:13 -070048#define DRV_PROJECT "http://rt2x00.serialmonkey.com"
49
50/*
51 * Debug definitions.
52 * Debug output has to be enabled during compile time.
53 */
54#define DEBUG_PRINTK_MSG(__dev, __kernlvl, __lvl, __msg, __args...) \
55 printk(__kernlvl "%s -> %s: %s - " __msg, \
Harvey Harrisonc94c93d2008-07-28 23:01:34 -070056 wiphy_name((__dev)->hw->wiphy), __func__, __lvl, ##__args)
Ivo van Doorn95ea3622007-09-25 17:57:13 -070057
58#define DEBUG_PRINTK_PROBE(__kernlvl, __lvl, __msg, __args...) \
59 printk(__kernlvl "%s -> %s: %s - " __msg, \
Harvey Harrisonc94c93d2008-07-28 23:01:34 -070060 KBUILD_MODNAME, __func__, __lvl, ##__args)
Ivo van Doorn95ea3622007-09-25 17:57:13 -070061
62#ifdef CONFIG_RT2X00_DEBUG
63#define DEBUG_PRINTK(__dev, __kernlvl, __lvl, __msg, __args...) \
64 DEBUG_PRINTK_MSG(__dev, __kernlvl, __lvl, __msg, ##__args);
65#else
66#define DEBUG_PRINTK(__dev, __kernlvl, __lvl, __msg, __args...) \
67 do { } while (0)
68#endif /* CONFIG_RT2X00_DEBUG */
69
70/*
71 * Various debug levels.
72 * The debug levels PANIC and ERROR both indicate serious problems,
73 * for this reason they should never be ignored.
74 * The special ERROR_PROBE message is for messages that are generated
75 * when the rt2x00_dev is not yet initialized.
76 */
77#define PANIC(__dev, __msg, __args...) \
78 DEBUG_PRINTK_MSG(__dev, KERN_CRIT, "Panic", __msg, ##__args)
79#define ERROR(__dev, __msg, __args...) \
80 DEBUG_PRINTK_MSG(__dev, KERN_ERR, "Error", __msg, ##__args)
81#define ERROR_PROBE(__msg, __args...) \
82 DEBUG_PRINTK_PROBE(KERN_ERR, "Error", __msg, ##__args)
83#define WARNING(__dev, __msg, __args...) \
84 DEBUG_PRINTK(__dev, KERN_WARNING, "Warning", __msg, ##__args)
85#define NOTICE(__dev, __msg, __args...) \
86 DEBUG_PRINTK(__dev, KERN_NOTICE, "Notice", __msg, ##__args)
87#define INFO(__dev, __msg, __args...) \
88 DEBUG_PRINTK(__dev, KERN_INFO, "Info", __msg, ##__args)
89#define DEBUG(__dev, __msg, __args...) \
90 DEBUG_PRINTK(__dev, KERN_DEBUG, "Debug", __msg, ##__args)
91#define EEPROM(__dev, __msg, __args...) \
92 DEBUG_PRINTK(__dev, KERN_DEBUG, "EEPROM recovery", __msg, ##__args)
93
94/*
Ivo van Doorn95ea3622007-09-25 17:57:13 -070095 * Standard timing and size defines.
96 * These values should follow the ieee80211 specifications.
97 */
98#define ACK_SIZE 14
99#define IEEE80211_HEADER 24
100#define PLCP 48
101#define BEACON 100
102#define PREAMBLE 144
103#define SHORT_PREAMBLE 72
104#define SLOT_TIME 20
105#define SHORT_SLOT_TIME 9
106#define SIFS 10
107#define PIFS ( SIFS + SLOT_TIME )
108#define SHORT_PIFS ( SIFS + SHORT_SLOT_TIME )
109#define DIFS ( PIFS + SLOT_TIME )
110#define SHORT_DIFS ( SHORT_PIFS + SHORT_SLOT_TIME )
Ivo van Doornf2fdbc42008-07-19 16:16:12 +0200111#define EIFS ( SIFS + DIFS + \
112 (8 * (IEEE80211_HEADER + ACK_SIZE)) )
113#define SHORT_EIFS ( SIFS + SHORT_DIFS + \
114 (8 * (IEEE80211_HEADER + ACK_SIZE)) )
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700115
116/*
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700117 * Chipset identification
118 * The chipset on the device is composed of a RT and RF chip.
119 * The chipset combination is important for determining device capabilities.
120 */
121struct rt2x00_chip {
122 u16 rt;
123#define RT2460 0x0101
124#define RT2560 0x0201
125#define RT2570 0x1201
Ivo van Doorn12dadb92007-09-25 20:54:44 +0200126#define RT2561s 0x0301 /* Turbo */
127#define RT2561 0x0302
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700128#define RT2661 0x0401
129#define RT2571 0x1300
130
131 u16 rf;
132 u32 rev;
133};
134
135/*
136 * RF register values that belong to a particular channel.
137 */
138struct rf_channel {
139 int channel;
140 u32 rf1;
141 u32 rf2;
142 u32 rf3;
143 u32 rf4;
144};
145
146/*
Ivo van Doorn8c5e7a52008-08-04 16:38:47 +0200147 * Channel information structure
148 */
149struct channel_info {
150 unsigned int flags;
151#define GEOGRAPHY_ALLOWED 0x00000001
152
153 short tx_power1;
154 short tx_power2;
155};
156
157/*
Ivo van Doornaddc81bd2007-10-13 16:26:23 +0200158 * Antenna setup values.
159 */
160struct antenna_setup {
161 enum antenna rx;
162 enum antenna tx;
163};
164
165/*
Ivo van Doornebcf26d2007-10-13 16:26:12 +0200166 * Quality statistics about the currently active link.
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700167 */
Ivo van Doornebcf26d2007-10-13 16:26:12 +0200168struct link_qual {
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700169 /*
170 * Statistics required for Link tuning.
171 * For the average RSSI value we use the "Walking average" approach.
172 * When adding RSSI to the average value the following calculation
173 * is needed:
174 *
175 * avg_rssi = ((avg_rssi * 7) + rssi) / 8;
176 *
177 * The advantage of this approach is that we only need 1 variable
178 * to store the average in (No need for a count and a total).
179 * But more importantly, normal average values will over time
180 * move less and less towards newly added values this results
181 * that with link tuning, the device can have a very good RSSI
182 * for a few minutes but when the device is moved away from the AP
183 * the average will not decrease fast enough to compensate.
184 * The walking average compensates this and will move towards
185 * the new values correctly allowing a effective link tuning.
186 */
187 int avg_rssi;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700188 int false_cca;
189
190 /*
191 * Statistics required for Signal quality calculation.
192 * For calculating the Signal quality we have to determine
193 * the total number of success and failed RX and TX frames.
194 * After that we also use the average RSSI value to help
195 * determining the signal quality.
196 * For the calculation we will use the following algorithm:
197 *
198 * rssi_percentage = (avg_rssi * 100) / rssi_offset
199 * rx_percentage = (rx_success * 100) / rx_total
200 * tx_percentage = (tx_success * 100) / tx_total
201 * avg_signal = ((WEIGHT_RSSI * avg_rssi) +
202 * (WEIGHT_TX * tx_percentage) +
203 * (WEIGHT_RX * rx_percentage)) / 100
204 *
205 * This value should then be checked to not be greated then 100.
206 */
207 int rx_percentage;
208 int rx_success;
209 int rx_failed;
210 int tx_percentage;
211 int tx_success;
212 int tx_failed;
213#define WEIGHT_RSSI 20
214#define WEIGHT_RX 40
215#define WEIGHT_TX 40
Ivo van Doornebcf26d2007-10-13 16:26:12 +0200216};
217
218/*
Ivo van Doorn69f81a22007-10-13 16:26:36 +0200219 * Antenna settings about the currently active link.
220 */
221struct link_ant {
222 /*
223 * Antenna flags
224 */
225 unsigned int flags;
226#define ANTENNA_RX_DIVERSITY 0x00000001
227#define ANTENNA_TX_DIVERSITY 0x00000002
228#define ANTENNA_MODE_SAMPLE 0x00000004
229
230 /*
231 * Currently active TX/RX antenna setup.
232 * When software diversity is used, this will indicate
233 * which antenna is actually used at this time.
234 */
235 struct antenna_setup active;
236
237 /*
238 * RSSI information for the different antenna's.
239 * These statistics are used to determine when
240 * to switch antenna when using software diversity.
241 *
242 * rssi[0] -> Antenna A RSSI
243 * rssi[1] -> Antenna B RSSI
244 */
245 int rssi_history[2];
246
247 /*
248 * Current RSSI average of the currently active antenna.
249 * Similar to the avg_rssi in the link_qual structure
250 * this value is updated by using the walking average.
251 */
252 int rssi_ant;
253};
254
255/*
Ivo van Doornebcf26d2007-10-13 16:26:12 +0200256 * To optimize the quality of the link we need to store
257 * the quality of received frames and periodically
258 * optimize the link.
259 */
260struct link {
261 /*
262 * Link tuner counter
263 * The number of times the link has been tuned
264 * since the radio has been switched on.
265 */
266 u32 count;
267
268 /*
269 * Quality measurement values.
270 */
271 struct link_qual qual;
272
273 /*
Ivo van Doorn69f81a22007-10-13 16:26:36 +0200274 * TX/RX antenna setup.
Ivo van Doornaddc81bd2007-10-13 16:26:23 +0200275 */
Ivo van Doorn69f81a22007-10-13 16:26:36 +0200276 struct link_ant ant;
Ivo van Doornaddc81bd2007-10-13 16:26:23 +0200277
278 /*
Ivo van Doornebcf26d2007-10-13 16:26:12 +0200279 * Active VGC level
280 */
281 int vgc_level;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700282
283 /*
284 * Work structure for scheduling periodic link tuning.
285 */
286 struct delayed_work work;
287};
288
289/*
Ivo van Doorn69f81a22007-10-13 16:26:36 +0200290 * Small helper macro to work with moving/walking averages.
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700291 */
Ivo van Doorn69f81a22007-10-13 16:26:36 +0200292#define MOVING_AVERAGE(__avg, __val, __samples) \
293 ( (((__avg) * ((__samples) - 1)) + (__val)) / (__samples) )
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700294
295/*
Ivo van Doorn69f81a22007-10-13 16:26:36 +0200296 * When we lack RSSI information return something less then -80 to
297 * tell the driver to tune the device to maximum sensitivity.
298 */
299#define DEFAULT_RSSI ( -128 )
300
301/*
302 * Link quality access functions.
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700303 */
304static inline int rt2x00_get_link_rssi(struct link *link)
305{
Ivo van Doornebcf26d2007-10-13 16:26:12 +0200306 if (link->qual.avg_rssi && link->qual.rx_success)
307 return link->qual.avg_rssi;
Ivo van Doorn69f81a22007-10-13 16:26:36 +0200308 return DEFAULT_RSSI;
309}
310
311static inline int rt2x00_get_link_ant_rssi(struct link *link)
312{
313 if (link->ant.rssi_ant && link->qual.rx_success)
314 return link->ant.rssi_ant;
315 return DEFAULT_RSSI;
316}
317
Ivo van Doornf06a0f42008-05-23 18:13:56 +0200318static inline void rt2x00_reset_link_ant_rssi(struct link *link)
319{
320 link->ant.rssi_ant = 0;
321}
322
Ivo van Doorn69f81a22007-10-13 16:26:36 +0200323static inline int rt2x00_get_link_ant_rssi_history(struct link *link,
324 enum antenna ant)
325{
326 if (link->ant.rssi_history[ant - ANTENNA_A])
327 return link->ant.rssi_history[ant - ANTENNA_A];
328 return DEFAULT_RSSI;
329}
330
331static inline int rt2x00_update_ant_rssi(struct link *link, int rssi)
332{
333 int old_rssi = link->ant.rssi_history[link->ant.active.rx - ANTENNA_A];
334 link->ant.rssi_history[link->ant.active.rx - ANTENNA_A] = rssi;
335 return old_rssi;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700336}
337
338/*
339 * Interface structure
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100340 * Per interface configuration details, this structure
341 * is allocated as the private data for ieee80211_vif.
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700342 */
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100343struct rt2x00_intf {
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700344 /*
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100345 * All fields within the rt2x00_intf structure
346 * must be protected with a spinlock.
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700347 */
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100348 spinlock_t lock;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700349
350 /*
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100351 * BSS configuration. Copied from the structure
352 * passed to us through the bss_info_changed()
353 * callback funtion.
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700354 */
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100355 struct ieee80211_bss_conf conf;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700356
357 /*
358 * MAC of the device.
359 */
360 u8 mac[ETH_ALEN];
361
362 /*
363 * BBSID of the AP to associate with.
364 */
365 u8 bssid[ETH_ALEN];
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100366
367 /*
368 * Entry in the beacon queue which belongs to
369 * this interface. Each interface has its own
370 * dedicated beacon entry.
371 */
372 struct queue_entry *beacon;
373
374 /*
375 * Actions that needed rescheduling.
376 */
377 unsigned int delayed_flags;
378#define DELAYED_UPDATE_BEACON 0x00000001
Ivo van Doorn72810372008-03-09 22:46:18 +0100379#define DELAYED_CONFIG_ERP 0x00000002
Ivo van Doorna2e1d522008-03-31 15:53:44 +0200380#define DELAYED_LED_ASSOC 0x00000004
Johannes Bergf591fa52008-07-10 11:21:26 +0200381
Ivo van Doornd4764b22008-07-28 10:21:16 +0200382 /*
383 * Software sequence counter, this is only required
384 * for hardware which doesn't support hardware
385 * sequence counting.
386 */
387 spinlock_t seqlock;
Johannes Bergf591fa52008-07-10 11:21:26 +0200388 u16 seqno;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700389};
390
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100391static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif)
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700392{
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100393 return (struct rt2x00_intf *)vif->drv_priv;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700394}
395
Ivo van Doorn31562e82008-02-17 17:35:05 +0100396/**
397 * struct hw_mode_spec: Hardware specifications structure
398 *
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700399 * Details about the supported modes, rates and channels
400 * of a particular chipset. This is used by rt2x00lib
401 * to build the ieee80211_hw_mode array for mac80211.
Ivo van Doorn31562e82008-02-17 17:35:05 +0100402 *
403 * @supported_bands: Bitmask contained the supported bands (2.4GHz, 5.2GHz).
404 * @supported_rates: Rate types which are supported (CCK, OFDM).
405 * @num_channels: Number of supported channels. This is used as array size
406 * for @tx_power_a, @tx_power_bg and @channels.
Ivo van Doorn9a46d442008-04-21 19:02:17 +0200407 * @channels: Device/chipset specific channel values (See &struct rf_channel).
Ivo van Doorn8c5e7a52008-08-04 16:38:47 +0200408 * @channels_info: Additional information for channels (See &struct channel_info).
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700409 */
410struct hw_mode_spec {
Ivo van Doorn31562e82008-02-17 17:35:05 +0100411 unsigned int supported_bands;
412#define SUPPORT_BAND_2GHZ 0x00000001
413#define SUPPORT_BAND_5GHZ 0x00000002
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700414
Ivo van Doorn31562e82008-02-17 17:35:05 +0100415 unsigned int supported_rates;
416#define SUPPORT_RATE_CCK 0x00000001
417#define SUPPORT_RATE_OFDM 0x00000002
418
419 unsigned int num_channels;
420 const struct rf_channel *channels;
Ivo van Doorn8c5e7a52008-08-04 16:38:47 +0200421 const struct channel_info *channels_info;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700422};
423
424/*
Ivo van Doorn5c58ee52007-10-06 13:34:52 +0200425 * Configuration structure wrapper around the
426 * mac80211 configuration structure.
427 * When mac80211 configures the driver, rt2x00lib
428 * can precalculate values which are equal for all
429 * rt2x00 drivers. Those values can be stored in here.
430 */
431struct rt2x00lib_conf {
432 struct ieee80211_conf *conf;
Ivo van Doorn8c5e7a52008-08-04 16:38:47 +0200433
Ivo van Doorn5c58ee52007-10-06 13:34:52 +0200434 struct rf_channel rf;
Ivo van Doorn8c5e7a52008-08-04 16:38:47 +0200435 struct channel_info channel;
Ivo van Doorn5c58ee52007-10-06 13:34:52 +0200436};
437
438/*
Ivo van Doorn72810372008-03-09 22:46:18 +0100439 * Configuration structure for erp settings.
440 */
441struct rt2x00lib_erp {
442 int short_preamble;
Ivo van Doorne360c4c2008-07-09 15:12:06 +0200443 int cts_protection;
Ivo van Doorn72810372008-03-09 22:46:18 +0100444
445 int ack_timeout;
446 int ack_consume_time;
Ivo van Doorne4ea1c42008-10-29 17:17:57 +0100447
448 u64 basic_rates;
449
450 int slot_time;
451
452 short sifs;
453 short pifs;
454 short difs;
455 short eifs;
Ivo van Doorn72810372008-03-09 22:46:18 +0100456};
457
458/*
Ivo van Doorn2bb057d2008-08-04 16:37:44 +0200459 * Configuration structure for hardware encryption.
460 */
461struct rt2x00lib_crypto {
462 enum cipher cipher;
463
464 enum set_key_cmd cmd;
465 const u8 *address;
466
467 u32 bssidx;
468 u32 aid;
469
470 u8 key[16];
471 u8 tx_mic[8];
472 u8 rx_mic[8];
473};
474
475/*
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100476 * Configuration structure wrapper around the
477 * rt2x00 interface configuration handler.
478 */
479struct rt2x00intf_conf {
480 /*
481 * Interface type
482 */
Johannes Berg05c914f2008-09-11 00:01:58 +0200483 enum nl80211_iftype type;
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100484
485 /*
486 * TSF sync value, this is dependant on the operation type.
487 */
488 enum tsf_sync sync;
489
490 /*
491 * The MAC and BSSID addressess are simple array of bytes,
492 * these arrays are little endian, so when sending the addressess
493 * to the drivers, copy the it into a endian-signed variable.
494 *
495 * Note that all devices (except rt2500usb) have 32 bits
496 * register word sizes. This means that whatever variable we
497 * pass _must_ be a multiple of 32 bits. Otherwise the device
498 * might not accept what we are sending to it.
499 * This will also make it easier for the driver to write
500 * the data to the device.
501 */
502 __le32 mac[2];
503 __le32 bssid[2];
504};
505
506/*
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700507 * rt2x00lib callback functions.
508 */
509struct rt2x00lib_ops {
510 /*
511 * Interrupt handlers.
512 */
513 irq_handler_t irq_handler;
514
515 /*
516 * Device init handlers.
517 */
518 int (*probe_hw) (struct rt2x00_dev *rt2x00dev);
519 char *(*get_firmware_name) (struct rt2x00_dev *rt2x00dev);
David Woodhousef160ebc2008-05-24 00:08:39 +0100520 u16 (*get_firmware_crc) (const void *data, const size_t len);
521 int (*load_firmware) (struct rt2x00_dev *rt2x00dev, const void *data,
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700522 const size_t len);
523
524 /*
525 * Device initialization/deinitialization handlers.
526 */
527 int (*initialize) (struct rt2x00_dev *rt2x00dev);
528 void (*uninitialize) (struct rt2x00_dev *rt2x00dev);
529
530 /*
Ivo van Doorn181d6902008-02-05 16:42:23 -0500531 * queue initialization handlers
Ivo van Doorn837e7f22008-01-06 23:41:45 +0100532 */
533 void (*init_rxentry) (struct rt2x00_dev *rt2x00dev,
Ivo van Doorn181d6902008-02-05 16:42:23 -0500534 struct queue_entry *entry);
Ivo van Doorn837e7f22008-01-06 23:41:45 +0100535 void (*init_txentry) (struct rt2x00_dev *rt2x00dev,
Ivo van Doorn181d6902008-02-05 16:42:23 -0500536 struct queue_entry *entry);
Ivo van Doorn837e7f22008-01-06 23:41:45 +0100537
538 /*
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700539 * Radio control handlers.
540 */
541 int (*set_device_state) (struct rt2x00_dev *rt2x00dev,
542 enum dev_state state);
543 int (*rfkill_poll) (struct rt2x00_dev *rt2x00dev);
Ivo van Doornebcf26d2007-10-13 16:26:12 +0200544 void (*link_stats) (struct rt2x00_dev *rt2x00dev,
545 struct link_qual *qual);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700546 void (*reset_tuner) (struct rt2x00_dev *rt2x00dev);
547 void (*link_tuner) (struct rt2x00_dev *rt2x00dev);
548
549 /*
550 * TX control handlers
551 */
552 void (*write_tx_desc) (struct rt2x00_dev *rt2x00dev,
Ivo van Doorndd3193e2008-01-06 23:41:10 +0100553 struct sk_buff *skb,
Ivo van Doorn61486e02008-05-10 13:42:31 +0200554 struct txentry_desc *txdesc);
Ivo van Doorn6db37862008-06-06 22:50:28 +0200555 int (*write_tx_data) (struct queue_entry *entry);
Ivo van Doornbd88a782008-07-09 15:12:44 +0200556 void (*write_beacon) (struct queue_entry *entry);
Ivo van Doornb242e892007-11-15 23:41:31 +0100557 int (*get_tx_data_len) (struct rt2x00_dev *rt2x00dev,
Ivo van Doorndd9fa2d2007-10-06 14:15:46 +0200558 struct sk_buff *skb);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700559 void (*kick_tx_queue) (struct rt2x00_dev *rt2x00dev,
Ivo van Doorne58c6ac2008-04-21 19:00:47 +0200560 const enum data_queue_qid queue);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700561
562 /*
563 * RX control handlers
564 */
Ivo van Doorn181d6902008-02-05 16:42:23 -0500565 void (*fill_rxdone) (struct queue_entry *entry,
566 struct rxdone_entry_desc *rxdesc);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700567
568 /*
569 * Configuration handlers.
570 */
Ivo van Doorn2bb057d2008-08-04 16:37:44 +0200571 int (*config_shared_key) (struct rt2x00_dev *rt2x00dev,
572 struct rt2x00lib_crypto *crypto,
573 struct ieee80211_key_conf *key);
574 int (*config_pairwise_key) (struct rt2x00_dev *rt2x00dev,
575 struct rt2x00lib_crypto *crypto,
576 struct ieee80211_key_conf *key);
Ivo van Doorn3a643d22008-03-25 14:13:18 +0100577 void (*config_filter) (struct rt2x00_dev *rt2x00dev,
578 const unsigned int filter_flags);
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100579 void (*config_intf) (struct rt2x00_dev *rt2x00dev,
580 struct rt2x00_intf *intf,
581 struct rt2x00intf_conf *conf,
582 const unsigned int flags);
583#define CONFIG_UPDATE_TYPE ( 1 << 1 )
584#define CONFIG_UPDATE_MAC ( 1 << 2 )
585#define CONFIG_UPDATE_BSSID ( 1 << 3 )
586
Ivo van Doorn3a643d22008-03-25 14:13:18 +0100587 void (*config_erp) (struct rt2x00_dev *rt2x00dev,
588 struct rt2x00lib_erp *erp);
Ivo van Doorne4ea1c42008-10-29 17:17:57 +0100589 void (*config_ant) (struct rt2x00_dev *rt2x00dev,
590 struct antenna_setup *ant);
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100591 void (*config) (struct rt2x00_dev *rt2x00dev,
592 struct rt2x00lib_conf *libconf,
Ivo van Doorne4ea1c42008-10-29 17:17:57 +0100593 const unsigned int changed_flags);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700594};
595
596/*
597 * rt2x00 driver callback operation structure.
598 */
599struct rt2x00_ops {
600 const char *name;
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100601 const unsigned int max_sta_intf;
602 const unsigned int max_ap_intf;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700603 const unsigned int eeprom_size;
604 const unsigned int rf_size;
Gertjan van Wingerde61448f82008-05-10 13:43:33 +0200605 const unsigned int tx_queues;
Ivo van Doorn181d6902008-02-05 16:42:23 -0500606 const struct data_queue_desc *rx;
607 const struct data_queue_desc *tx;
608 const struct data_queue_desc *bcn;
609 const struct data_queue_desc *atim;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700610 const struct rt2x00lib_ops *lib;
611 const struct ieee80211_ops *hw;
612#ifdef CONFIG_RT2X00_LIB_DEBUGFS
613 const struct rt2x00debug *debugfs;
614#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
615};
616
617/*
Ivo van Doorn483272f2007-10-06 14:13:06 +0200618 * rt2x00 device flags
619 */
620enum rt2x00_flags {
621 /*
622 * Device state flags
623 */
Ivo van Doorn0262ab02008-08-29 21:04:26 +0200624 DEVICE_STATE_PRESENT,
625 DEVICE_STATE_REGISTERED_HW,
626 DEVICE_STATE_INITIALIZED,
627 DEVICE_STATE_STARTED,
628 DEVICE_STATE_STARTED_SUSPEND,
629 DEVICE_STATE_ENABLED_RADIO,
630 DEVICE_STATE_DISABLED_RADIO_HW,
Ivo van Doorn483272f2007-10-06 14:13:06 +0200631
632 /*
Ivo van Doorn2bb057d2008-08-04 16:37:44 +0200633 * Driver requirements
Ivo van Doorn483272f2007-10-06 14:13:06 +0200634 */
635 DRIVER_REQUIRE_FIRMWARE,
Ivo van Doorn181d6902008-02-05 16:42:23 -0500636 DRIVER_REQUIRE_BEACON_GUARD,
637 DRIVER_REQUIRE_ATIM_QUEUE,
Ivo van Doorn3a643d22008-03-25 14:13:18 +0100638 DRIVER_REQUIRE_SCHEDULED,
Gertjan van Wingerdec4da0042008-06-16 19:56:31 +0200639 DRIVER_REQUIRE_DMA,
Ivo van Doorn483272f2007-10-06 14:13:06 +0200640
641 /*
Ivo van Doorn2bb057d2008-08-04 16:37:44 +0200642 * Driver features
Ivo van Doorn483272f2007-10-06 14:13:06 +0200643 */
644 CONFIG_SUPPORT_HW_BUTTON,
Ivo van Doorn2bb057d2008-08-04 16:37:44 +0200645 CONFIG_SUPPORT_HW_CRYPTO,
646
647 /*
648 * Driver configuration
649 */
Ivo van Doorn483272f2007-10-06 14:13:06 +0200650 CONFIG_FRAME_TYPE,
651 CONFIG_RF_SEQUENCE,
652 CONFIG_EXTERNAL_LNA_A,
653 CONFIG_EXTERNAL_LNA_BG,
654 CONFIG_DOUBLE_ANTENNA,
655 CONFIG_DISABLE_LINK_TUNING,
656};
657
658/*
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700659 * rt2x00 device structure.
660 */
661struct rt2x00_dev {
662 /*
663 * Device structure.
664 * The structure stored in here depends on the
665 * system bus (PCI or USB).
666 * When accessing this variable, the rt2x00dev_{pci,usb}
667 * macro's should be used for correct typecasting.
668 */
Gertjan van Wingerde14a3bf82008-06-16 19:55:43 +0200669 struct device *dev;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700670
671 /*
672 * Callback functions.
673 */
674 const struct rt2x00_ops *ops;
675
676 /*
677 * IEEE80211 control structure.
678 */
679 struct ieee80211_hw *hw;
Johannes Berg8318d782008-01-24 19:38:38 +0100680 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
681 enum ieee80211_band curr_band;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700682
683 /*
684 * rfkill structure for RF state switching support.
685 * This will only be compiled in when required.
686 */
687#ifdef CONFIG_RT2X00_LIB_RFKILL
John W. Linville3480a582008-03-27 19:54:13 -0400688 unsigned long rfkill_state;
Ivo van Doorn1682fe62008-03-13 15:38:03 +0100689#define RFKILL_STATE_ALLOCATED 1
690#define RFKILL_STATE_REGISTERED 2
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700691 struct rfkill *rfkill;
Ivo van Doorn50db7872008-07-04 14:51:39 +0200692 struct delayed_work rfkill_work;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700693#endif /* CONFIG_RT2X00_LIB_RFKILL */
694
695 /*
696 * If enabled, the debugfs interface structures
697 * required for deregistration of debugfs.
698 */
699#ifdef CONFIG_RT2X00_LIB_DEBUGFS
Ivo van Doorn4d8dd662007-11-27 21:49:29 +0100700 struct rt2x00debug_intf *debugfs_intf;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700701#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
702
703 /*
Ivo van Doorna9450b72008-02-03 15:53:40 +0100704 * LED structure for changing the LED status
705 * by mac8011 or the kernel.
706 */
707#ifdef CONFIG_RT2X00_LIB_LEDS
Ivo van Doorna9450b72008-02-03 15:53:40 +0100708 struct rt2x00_led led_radio;
709 struct rt2x00_led led_assoc;
710 struct rt2x00_led led_qual;
711 u16 led_mcu_reg;
712#endif /* CONFIG_RT2X00_LIB_LEDS */
713
714 /*
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700715 * Device flags.
716 * In these flags the current status and some
717 * of the device capabilities are stored.
718 */
719 unsigned long flags;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700720
721 /*
722 * Chipset identification.
723 */
724 struct rt2x00_chip chip;
725
726 /*
727 * hw capability specifications.
728 */
729 struct hw_mode_spec spec;
730
731 /*
Ivo van Doornaddc81bd2007-10-13 16:26:23 +0200732 * This is the default TX/RX antenna setup as indicated
733 * by the device's EEPROM. When mac80211 sets its
734 * antenna value to 0 we should be using these values.
735 */
736 struct antenna_setup default_ant;
737
738 /*
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700739 * Register pointers
Ivo van Doorn21795092008-02-10 22:49:13 +0100740 * csr.base: CSR base register address. (PCI)
741 * csr.cache: CSR cache for usb_control_msg. (USB)
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700742 */
Ivo van Doorn21795092008-02-10 22:49:13 +0100743 union csr {
744 void __iomem *base;
745 void *cache;
746 } csr;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700747
748 /*
Adam Baker3d823462007-10-27 13:43:29 +0200749 * Mutex to protect register accesses on USB devices.
750 * There are 2 reasons this is needed, one is to ensure
751 * use of the csr_cache (for USB devices) by one thread
752 * isn't corrupted by another thread trying to access it.
753 * The other is that access to BBP and RF registers
754 * require multiple BUS transactions and if another thread
755 * attempted to access one of those registers at the same
756 * time one of the writes could silently fail.
757 */
758 struct mutex usb_cache_mutex;
759
760 /*
Ivo van Doorn3c4f2082008-01-06 23:40:49 +0100761 * Current packet filter configuration for the device.
762 * This contains all currently active FIF_* flags send
763 * to us by mac80211 during configure_filter().
764 */
765 unsigned int packet_filter;
766
767 /*
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100768 * Interface details:
769 * - Open ap interface count.
770 * - Open sta interface count.
771 * - Association count.
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700772 */
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100773 unsigned int intf_ap_count;
774 unsigned int intf_sta_count;
775 unsigned int intf_associated;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700776
777 /*
778 * Link quality
779 */
780 struct link link;
781
782 /*
783 * EEPROM data.
784 */
785 __le16 *eeprom;
786
787 /*
788 * Active RF register values.
789 * These are stored here so we don't need
790 * to read the rf registers and can directly
791 * use this value instead.
792 * This field should be accessed by using
793 * rt2x00_rf_read() and rt2x00_rf_write().
794 */
795 u32 *rf;
796
797 /*
Ivo van Doornba2ab472008-08-06 16:22:17 +0200798 * LNA gain
799 */
800 short lna_gain;
801
802 /*
Ivo van Doornb242e892007-11-15 23:41:31 +0100803 * USB Max frame size (for rt2500usb & rt73usb).
804 */
805 u16 usb_maxpacket;
806
807 /*
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700808 * Current TX power value.
809 */
810 u16 tx_power;
811
812 /*
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700813 * Rssi <-> Dbm offset
814 */
815 u8 rssi_offset;
816
817 /*
818 * Frequency offset (for rt61pci & rt73usb).
819 */
820 u8 freq_offset;
821
822 /*
823 * Low level statistics which will have
824 * to be kept up to date while device is running.
825 */
826 struct ieee80211_low_level_stats low_level_stats;
827
828 /*
829 * RX configuration information.
830 */
831 struct ieee80211_rx_status rx_status;
832
833 /*
Johannes Berg4150c572007-09-17 01:29:23 -0400834 * Scheduled work.
Ivo van Doorn8e260c22008-07-04 13:41:31 +0200835 * NOTE: intf_work will use ieee80211_iterate_active_interfaces()
836 * which means it cannot be placed on the hw->workqueue
837 * due to RTNL locking requirements.
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700838 */
Ivo van Doorn6bb40dd2008-02-03 15:49:59 +0100839 struct work_struct intf_work;
Johannes Berg4150c572007-09-17 01:29:23 -0400840 struct work_struct filter_work;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700841
842 /*
Ivo van Doorn181d6902008-02-05 16:42:23 -0500843 * Data queue arrays for RX, TX and Beacon.
844 * The Beacon array also contains the Atim queue
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700845 * if that is supported by the device.
846 */
Ivo van Doornb8697672008-06-06 22:53:14 +0200847 unsigned int data_queues;
Ivo van Doorn181d6902008-02-05 16:42:23 -0500848 struct data_queue *rx;
849 struct data_queue *tx;
850 struct data_queue *bcn;
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700851
852 /*
853 * Firmware image.
854 */
855 const struct firmware *fw;
856};
857
858/*
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700859 * Generic RF access.
860 * The RF is being accessed by word index.
861 */
Adam Baker0e14f6d2007-10-27 13:41:25 +0200862static inline void rt2x00_rf_read(struct rt2x00_dev *rt2x00dev,
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700863 const unsigned int word, u32 *data)
864{
865 *data = rt2x00dev->rf[word];
866}
867
Adam Baker0e14f6d2007-10-27 13:41:25 +0200868static inline void rt2x00_rf_write(struct rt2x00_dev *rt2x00dev,
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700869 const unsigned int word, u32 data)
870{
871 rt2x00dev->rf[word] = data;
872}
873
874/*
875 * Generic EEPROM access.
876 * The EEPROM is being accessed by word index.
877 */
Adam Baker0e14f6d2007-10-27 13:41:25 +0200878static inline void *rt2x00_eeprom_addr(struct rt2x00_dev *rt2x00dev,
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700879 const unsigned int word)
880{
881 return (void *)&rt2x00dev->eeprom[word];
882}
883
Adam Baker0e14f6d2007-10-27 13:41:25 +0200884static inline void rt2x00_eeprom_read(struct rt2x00_dev *rt2x00dev,
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700885 const unsigned int word, u16 *data)
886{
887 *data = le16_to_cpu(rt2x00dev->eeprom[word]);
888}
889
Adam Baker0e14f6d2007-10-27 13:41:25 +0200890static inline void rt2x00_eeprom_write(struct rt2x00_dev *rt2x00dev,
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700891 const unsigned int word, u16 data)
892{
893 rt2x00dev->eeprom[word] = cpu_to_le16(data);
894}
895
896/*
897 * Chipset handlers
898 */
899static inline void rt2x00_set_chip(struct rt2x00_dev *rt2x00dev,
900 const u16 rt, const u16 rf, const u32 rev)
901{
902 INFO(rt2x00dev,
903 "Chipset detected - rt: %04x, rf: %04x, rev: %08x.\n",
904 rt, rf, rev);
905
906 rt2x00dev->chip.rt = rt;
907 rt2x00dev->chip.rf = rf;
908 rt2x00dev->chip.rev = rev;
909}
910
911static inline char rt2x00_rt(const struct rt2x00_chip *chipset, const u16 chip)
912{
913 return (chipset->rt == chip);
914}
915
916static inline char rt2x00_rf(const struct rt2x00_chip *chipset, const u16 chip)
917{
918 return (chipset->rf == chip);
919}
920
Ivo van Doorn755a9572007-11-12 15:02:22 +0100921static inline u16 rt2x00_rev(const struct rt2x00_chip *chipset)
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700922{
923 return chipset->rev;
924}
925
Ivo van Doorn755a9572007-11-12 15:02:22 +0100926static inline u16 rt2x00_check_rev(const struct rt2x00_chip *chipset,
927 const u32 rev)
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700928{
Ivo van Doorn755a9572007-11-12 15:02:22 +0100929 return (((chipset->rev & 0xffff0) == rev) &&
930 !!(chipset->rev & 0x0000f));
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700931}
932
933/*
934 * Duration calculations
935 * The rate variable passed is: 100kbs.
936 * To convert from bytes to bits we multiply size with 8,
937 * then the size is multiplied with 10 to make the
938 * real rate -> rate argument correction.
939 */
940static inline u16 get_duration(const unsigned int size, const u8 rate)
941{
942 return ((size * 8 * 10) / rate);
943}
944
945static inline u16 get_duration_res(const unsigned int size, const u8 rate)
946{
947 return ((size * 8 * 10) % rate);
948}
949
Ivo van Doorn181d6902008-02-05 16:42:23 -0500950/**
Gertjan van Wingerdec4da0042008-06-16 19:56:31 +0200951 * rt2x00queue_map_txskb - Map a skb into DMA for TX purposes.
952 * @rt2x00dev: Pointer to &struct rt2x00_dev.
953 * @skb: The skb to map.
Gertjan van Wingerde239c2492008-06-06 22:54:12 +0200954 */
Gertjan van Wingerdec4da0042008-06-16 19:56:31 +0200955void rt2x00queue_map_txskb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb);
Gertjan van Wingerde239c2492008-06-06 22:54:12 +0200956
957/**
Ivo van Doorne58c6ac2008-04-21 19:00:47 +0200958 * rt2x00queue_get_queue - Convert queue index to queue pointer
Ivo van Doorn181d6902008-02-05 16:42:23 -0500959 * @rt2x00dev: Pointer to &struct rt2x00_dev.
Ivo van Doorne58c6ac2008-04-21 19:00:47 +0200960 * @queue: rt2x00 queue index (see &enum data_queue_qid).
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700961 */
Ivo van Doorn181d6902008-02-05 16:42:23 -0500962struct data_queue *rt2x00queue_get_queue(struct rt2x00_dev *rt2x00dev,
Ivo van Doorne58c6ac2008-04-21 19:00:47 +0200963 const enum data_queue_qid queue);
Ivo van Doorn181d6902008-02-05 16:42:23 -0500964
965/**
966 * rt2x00queue_get_entry - Get queue entry where the given index points to.
Ivo van Doorn9a46d442008-04-21 19:02:17 +0200967 * @queue: Pointer to &struct data_queue from where we obtain the entry.
Ivo van Doorn181d6902008-02-05 16:42:23 -0500968 * @index: Index identifier for obtaining the correct index.
969 */
970struct queue_entry *rt2x00queue_get_entry(struct data_queue *queue,
971 enum queue_index index);
972
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700973/*
974 * Interrupt context handlers.
975 */
976void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev);
Ivo van Doorn181d6902008-02-05 16:42:23 -0500977void rt2x00lib_txdone(struct queue_entry *entry,
978 struct txdone_entry_desc *txdesc);
Gertjan van Wingerdec4da0042008-06-16 19:56:31 +0200979void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
980 struct queue_entry *entry);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700981
982/*
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700983 * mac80211 handlers.
984 */
Johannes Berge039fa42008-05-15 12:55:29 +0200985int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700986int rt2x00mac_start(struct ieee80211_hw *hw);
987void rt2x00mac_stop(struct ieee80211_hw *hw);
988int rt2x00mac_add_interface(struct ieee80211_hw *hw,
989 struct ieee80211_if_init_conf *conf);
990void rt2x00mac_remove_interface(struct ieee80211_hw *hw,
991 struct ieee80211_if_init_conf *conf);
Johannes Berge8975582008-10-09 12:18:51 +0200992int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed);
Johannes Berg32bfd352007-12-19 01:31:26 +0100993int rt2x00mac_config_interface(struct ieee80211_hw *hw,
994 struct ieee80211_vif *vif,
Ivo van Doorn95ea3622007-09-25 17:57:13 -0700995 struct ieee80211_if_conf *conf);
Ivo van Doorn3a643d22008-03-25 14:13:18 +0100996void rt2x00mac_configure_filter(struct ieee80211_hw *hw,
997 unsigned int changed_flags,
998 unsigned int *total_flags,
999 int mc_count, struct dev_addr_list *mc_list);
Ivo van Doorn2bb057d2008-08-04 16:37:44 +02001000#ifdef CONFIG_RT2X00_LIB_CRYPTO
1001int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1002 const u8 *local_address, const u8 *address,
1003 struct ieee80211_key_conf *key);
1004#else
1005#define rt2x00mac_set_key NULL
1006#endif /* CONFIG_RT2X00_LIB_CRYPTO */
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001007int rt2x00mac_get_stats(struct ieee80211_hw *hw,
1008 struct ieee80211_low_level_stats *stats);
1009int rt2x00mac_get_tx_stats(struct ieee80211_hw *hw,
1010 struct ieee80211_tx_queue_stats *stats);
Johannes Berg471b3ef2007-12-28 14:32:58 +01001011void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
1012 struct ieee80211_vif *vif,
1013 struct ieee80211_bss_conf *bss_conf,
1014 u32 changes);
Johannes Berge100bb62008-04-30 18:51:21 +02001015int rt2x00mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
Ivo van Doorn95ea3622007-09-25 17:57:13 -07001016 const struct ieee80211_tx_queue_params *params);
1017
1018/*
1019 * Driver allocation handlers.
1020 */
1021int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev);
1022void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev);
1023#ifdef CONFIG_PM
1024int rt2x00lib_suspend(struct rt2x00_dev *rt2x00dev, pm_message_t state);
1025int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev);
1026#endif /* CONFIG_PM */
1027
1028#endif /* RT2X00_H */