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carl9170: fix HT peer BA session corruption
[linux-2.6-block.git] / drivers / net / wireless / ath / carl9170 / carl9170.h
CommitLineData
fe8ee9ad
CL		 1/*
2 * Atheros CARL9170 driver
3 *
4 * Driver specific definitions
5 *
6 * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
7 * Copyright 2009, 2010, Christian Lamparter <chunkeey@googlemail.com>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; see the file COPYING. If not, see
21 * http://www.gnu.org/licenses/.
22 *
23 * This file incorporates work covered by the following copyright and
24 * permission notice:
25 * Copyright (c) 2007-2008 Atheros Communications, Inc.
26 *
27 * Permission to use, copy, modify, and/or distribute this software for any
28 * purpose with or without fee is hereby granted, provided that the above
29 * copyright notice and this permission notice appear in all copies.
30 *
31 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
32 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
33 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
34 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
35 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
36 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
37 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
38 */
39#ifndef __CARL9170_H
40#define __CARL9170_H
41
42#include <linux/kernel.h>
43#include <linux/firmware.h>
44#include <linux/completion.h>
45#include <linux/spinlock.h>
00044f17 46#include <linux/hw_random.h>
fe8ee9ad
CL		 47#include <net/cfg80211.h>
48#include <net/mac80211.h>
49#include <linux/usb.h>
50#ifdef CONFIG_CARL9170_LEDS
51#include <linux/leds.h>
8e7ce893 52#endif /* CONFIG_CARL9170_LEDS */
fe8ee9ad
CL		 53#ifdef CONFIG_CARL9170_WPC
54#include <linux/input.h>
55#endif /* CONFIG_CARL9170_WPC */
56#include "eeprom.h"
57#include "wlan.h"
58#include "hw.h"
59#include "fwdesc.h"
60#include "fwcmd.h"
61#include "../regd.h"
62
63#ifdef CONFIG_CARL9170_DEBUGFS
64#include "debug.h"
65#endif /* CONFIG_CARL9170_DEBUGFS */
66
67#define CARL9170FW_NAME "carl9170-1.fw"
68
69#define PAYLOAD_MAX (CARL9170_MAX_CMD_LEN / 4 - 1)
70
85ee5122
CL		 71static const u8 ar9170_qmap[__AR9170_NUM_TXQ] = { 3, 2, 1, 0 };
72
fe8ee9ad
CL		 73enum carl9170_rf_init_mode {
74 CARL9170_RFI_NONE,
75 CARL9170_RFI_WARM,
76 CARL9170_RFI_COLD,
77};
78
79#define CARL9170_MAX_RX_BUFFER_SIZE 8192
80
81enum carl9170_device_state {
82 CARL9170_UNKNOWN_STATE,
83 CARL9170_STOPPED,
84 CARL9170_IDLE,
85 CARL9170_STARTED,
86};
87
88#define CARL9170_NUM_TID 16
89#define WME_BA_BMP_SIZE 64
90#define CARL9170_TX_USER_RATE_TRIES 3
91
92#define WME_AC_BE 2
93#define WME_AC_BK 3
94#define WME_AC_VI 1
95#define WME_AC_VO 0
96
97#define TID_TO_WME_AC(_tid) \
98 ((((_tid) == 0) || ((_tid) == 3)) ? WME_AC_BE : \
99 (((_tid) == 1) || ((_tid) == 2)) ? WME_AC_BK : \
100 (((_tid) == 4) || ((_tid) == 5)) ? WME_AC_VI : \
101 WME_AC_VO)
102
103#define SEQ_DIFF(_start, _seq) \
104 (((_start) - (_seq)) & 0x0fff)
105#define SEQ_PREV(_seq) \
106 (((_seq) - 1) & 0x0fff)
107#define SEQ_NEXT(_seq) \
108 (((_seq) + 1) & 0x0fff)
109#define BAW_WITHIN(_start, _bawsz, _seqno) \
110 ((((_seqno) - (_start)) & 0xfff) < (_bawsz))
111
112enum carl9170_tid_state {
113 CARL9170_TID_STATE_INVALID,
114 CARL9170_TID_STATE_KILLED,
115 CARL9170_TID_STATE_SHUTDOWN,
116 CARL9170_TID_STATE_SUSPEND,
117 CARL9170_TID_STATE_PROGRESS,
118 CARL9170_TID_STATE_IDLE,
119 CARL9170_TID_STATE_XMIT,
120};
121
122#define CARL9170_BAW_BITS (2 * WME_BA_BMP_SIZE)
123#define CARL9170_BAW_SIZE (BITS_TO_LONGS(CARL9170_BAW_BITS))
124#define CARL9170_BAW_LEN (DIV_ROUND_UP(CARL9170_BAW_BITS, BITS_PER_BYTE))
125
126struct carl9170_sta_tid {
127 /* must be the first entry! */
128 struct list_head list;
129
130 /* temporary list for RCU unlink procedure */
131 struct list_head tmp_list;
132
133 /* lock for the following data structures */
134 spinlock_t lock;
135
136 unsigned int counter;
137 enum carl9170_tid_state state;
138 u8 tid; /* TID number ( 0 - 15 ) */
139 u16 max; /* max. AMPDU size */
140
141 u16 snx; /* awaiting _next_ frame */
142 u16 hsn; /* highest _queued_ sequence */
143 u16 bsn; /* base of the tx/agg bitmap */
144 unsigned long bitmap[CARL9170_BAW_SIZE];
145
146 /* Preaggregation reorder queue */
147 struct sk_buff_head queue;
148};
149
150#define CARL9170_QUEUE_TIMEOUT 256
151#define CARL9170_BUMP_QUEUE 1000
152#define CARL9170_TX_TIMEOUT 2500
153#define CARL9170_JANITOR_DELAY 128
154#define CARL9170_QUEUE_STUCK_TIMEOUT 5500
acf17712 155#define CARL9170_STAT_WORK 30000
fe8ee9ad
CL		 156
157#define CARL9170_NUM_TX_AGG_MAX 30
158
159/*
160 * Tradeoff between stability/latency and speed.
161 *
162 * AR9170_TXQ_DEPTH is devised by dividing the amount of available
163 * tx buffers with the size of a full ethernet frame + overhead.
164 *
165 * Naturally: The higher the limit, the faster the device CAN send.
166 * However, even a slight over-commitment at the wrong time and the
167 * hardware is doomed to send all already-queued frames at suboptimal
25985edc 168 * rates. This in turn leads to an enormous amount of unsuccessful
fe8ee9ad
CL		 169 * retries => Latency goes up, whereas the throughput goes down. CRASH!
170 */
171#define CARL9170_NUM_TX_LIMIT_HARD ((AR9170_TXQ_DEPTH * 3) / 2)
172#define CARL9170_NUM_TX_LIMIT_SOFT (AR9170_TXQ_DEPTH)
173
174struct carl9170_tx_queue_stats {
175 unsigned int count;
176 unsigned int limit;
177 unsigned int len;
178};
179
180struct carl9170_vif {
181 unsigned int id;
70126f61 182 struct ieee80211_vif __rcu *vif;
fe8ee9ad
CL		 183};
184
185struct carl9170_vif_info {
186 struct list_head list;
187 bool active;
188 unsigned int id;
189 struct sk_buff *beacon;
190 bool enable_beacon;
191};
192
193#define AR9170_NUM_RX_URBS 16
194#define AR9170_NUM_RX_URBS_MUL 2
195#define AR9170_NUM_TX_URBS 8
196#define AR9170_NUM_RX_URBS_POOL (AR9170_NUM_RX_URBS_MUL * AR9170_NUM_RX_URBS)
197
198enum carl9170_device_features {
199 CARL9170_WPS_BUTTON = BIT(0),
200 CARL9170_ONE_LED = BIT(1),
201};
202
203#ifdef CONFIG_CARL9170_LEDS
204struct ar9170;
205
206struct carl9170_led {
207 struct ar9170 *ar;
208 struct led_classdev l;
209 char name[32];
210 unsigned int toggled;
211 bool last_state;
212 bool registered;
213};
214#endif /* CONFIG_CARL9170_LEDS */
215
216enum carl9170_restart_reasons {
217 CARL9170_RR_NO_REASON = 0,
218 CARL9170_RR_FATAL_FIRMWARE_ERROR,
219 CARL9170_RR_TOO_MANY_FIRMWARE_ERRORS,
220 CARL9170_RR_WATCHDOG,
221 CARL9170_RR_STUCK_TX,
e4a668c5 222 CARL9170_RR_UNRESPONSIVE_DEVICE,
fe8ee9ad
CL		 223 CARL9170_RR_COMMAND_TIMEOUT,
224 CARL9170_RR_TOO_MANY_PHY_ERRORS,
225 CARL9170_RR_LOST_RSP,
226 CARL9170_RR_INVALID_RSP,
227 CARL9170_RR_USER_REQUEST,
228
229 __CARL9170_RR_LAST,
230};
231
232enum carl9170_erp_modes {
233 CARL9170_ERP_INVALID,
234 CARL9170_ERP_AUTO,
235 CARL9170_ERP_MAC80211,
236 CARL9170_ERP_OFF,
237 CARL9170_ERP_CTS,
238 CARL9170_ERP_RTS,
239 __CARL9170_ERP_NUM,
240};
241
242struct ar9170 {
243 struct ath_common common;
244 struct ieee80211_hw *hw;
245 struct mutex mutex;
246 enum carl9170_device_state state;
247 spinlock_t state_lock;
248 enum carl9170_restart_reasons last_reason;
249 bool registered;
250
251 /* USB */
252 struct usb_device *udev;
253 struct usb_interface *intf;
254 struct usb_anchor rx_anch;
255 struct usb_anchor rx_work;
256 struct usb_anchor rx_pool;
257 struct usb_anchor tx_wait;
258 struct usb_anchor tx_anch;
259 struct usb_anchor tx_cmd;
260 struct usb_anchor tx_err;
261 struct tasklet_struct usb_tasklet;
262 atomic_t tx_cmd_urbs;
263 atomic_t tx_anch_urbs;
264 atomic_t rx_anch_urbs;
265 atomic_t rx_work_urbs;
266 atomic_t rx_pool_urbs;
267 kernel_ulong_t features;
268
269 /* firmware settings */
270 struct completion fw_load_wait;
271 struct completion fw_boot_wait;
272 struct {
273 const struct carl9170fw_desc_head *desc;
274 const struct firmware *fw;
275 unsigned int offset;
276 unsigned int address;
277 unsigned int cmd_bufs;
278 unsigned int api_version;
279 unsigned int vif_num;
280 unsigned int err_counter;
281 unsigned int bug_counter;
282 u32 beacon_addr;
283 unsigned int beacon_max_len;
284 bool rx_stream;
285 bool tx_stream;
5c895691 286 bool rx_filter;
7ccc83b0 287 bool hw_counters;
fe8ee9ad
CL		 288 unsigned int mem_blocks;
289 unsigned int mem_block_size;
290 unsigned int rx_size;
aa32452d 291 unsigned int tx_seq_table;
c9122c0d 292 bool ba_filter;
fe8ee9ad
CL		 293 } fw;
294
df64962f
CL		 295 /* interface configuration combinations */
296 struct ieee80211_iface_limit if_comb_limits[1];
297 struct ieee80211_iface_combination if_combs[1];
298
fe8ee9ad
CL		 299 /* reset / stuck frames/queue detection */
300 struct work_struct restart_work;
e4a668c5 301 struct work_struct ping_work;
fe8ee9ad
CL		 302 unsigned int restart_counter;
303 unsigned long queue_stop_timeout[__AR9170_NUM_TXQ];
304 unsigned long max_queue_stop_timeout[__AR9170_NUM_TXQ];
305 bool needs_full_reset;
306 atomic_t pending_restarts;
307
308 /* interface mode settings */
309 struct list_head vif_list;
310 unsigned long vif_bitmap;
311 unsigned int vifs;
312 struct carl9170_vif vif_priv[AR9170_MAX_VIRTUAL_MAC];
313
314 /* beaconing */
315 spinlock_t beacon_lock;
316 unsigned int global_pretbtt;
317 unsigned int global_beacon_int;
70126f61 318 struct carl9170_vif_info __rcu *beacon_iter;
fe8ee9ad
CL		 319 unsigned int beacon_enabled;
320
321 /* cryptographic engine */
322 u64 usedkeys;
323 bool rx_software_decryption;
324 bool disable_offload;
325
326 /* filter settings */
327 u64 cur_mc_hash;
328 u32 cur_filter;
329 unsigned int filter_state;
5c895691 330 unsigned int rx_filter_caps;
fe8ee9ad
CL		 331 bool sniffer_enabled;
332
333 /* MAC */
334 enum carl9170_erp_modes erp_mode;
335
336 /* PHY */
337 struct ieee80211_channel *channel;
acf17712 338 unsigned int num_channels;
9adc9e0f 339 int noise[4];
fe8ee9ad
CL		 340 unsigned int chan_fail;
341 unsigned int total_chan_fail;
342 u8 heavy_clip;
73576110 343 u8 ht_settings;
acf17712
CL		 344 struct {
345 u64 active; /* usec */
346 u64 cca; /* usec */
347 u64 tx_time; /* usec */
348 u64 rx_total;
349 u64 rx_overrun;
350 } tally;
351 struct delayed_work stat_work;
352 struct survey_info *survey;
fe8ee9ad
CL		 353
354 /* power calibration data */
355 u8 power_5G_leg[4];
356 u8 power_2G_cck[4];
357 u8 power_2G_ofdm[4];
358 u8 power_5G_ht20[8];
359 u8 power_5G_ht40[8];
360 u8 power_2G_ht20[8];
361 u8 power_2G_ht40[8];
362
363#ifdef CONFIG_CARL9170_LEDS
364 /* LED */
365 struct delayed_work led_work;
366 struct carl9170_led leds[AR9170_NUM_LEDS];
367#endif /* CONFIG_CARL9170_LEDS */
368
369 /* qos queue settings */
370 spinlock_t tx_stats_lock;
371 struct carl9170_tx_queue_stats tx_stats[__AR9170_NUM_TXQ];
372 struct ieee80211_tx_queue_params edcf[5];
373 struct completion tx_flush;
374
375 /* CMD */
376 int cmd_seq;
377 int readlen;
378 u8 *readbuf;
379 spinlock_t cmd_lock;
380 struct completion cmd_wait;
381 union {
382 __le32 cmd_buf[PAYLOAD_MAX + 1];
383 struct carl9170_cmd cmd;
384 struct carl9170_rsp rsp;
385 };
386
387 /* statistics */
388 unsigned int tx_dropped;
389 unsigned int tx_ack_failures;
390 unsigned int tx_fcs_errors;
fe8ee9ad
CL		 391 unsigned int rx_dropped;
392
393 /* EEPROM */
394 struct ar9170_eeprom eeprom;
395
396 /* tx queuing */
397 struct sk_buff_head tx_pending[__AR9170_NUM_TXQ];
398 struct sk_buff_head tx_status[__AR9170_NUM_TXQ];
399 struct delayed_work tx_janitor;
400 unsigned long tx_janitor_last_run;
401 bool tx_schedule;
402
403 /* tx ampdu */
404 struct work_struct ampdu_work;
405 spinlock_t tx_ampdu_list_lock;
70126f61 406 struct carl9170_sta_tid __rcu *tx_ampdu_iter;
fe8ee9ad
CL		 407 struct list_head tx_ampdu_list;
408 atomic_t tx_ampdu_upload;
409 atomic_t tx_ampdu_scheduler;
410 atomic_t tx_total_pending;
411 atomic_t tx_total_queued;
412 unsigned int tx_ampdu_list_len;
413 int current_density;
414 int current_factor;
415 bool tx_ampdu_schedule;
416
417 /* internal memory management */
418 spinlock_t mem_lock;
419 unsigned long *mem_bitmap;
420 atomic_t mem_free_blocks;
421 atomic_t mem_allocs;
422
423 /* rxstream mpdu merge */
424 struct ar9170_rx_head rx_plcp;
425 bool rx_has_plcp;
426 struct sk_buff *rx_failover;
427 int rx_failover_missing;
428
c9122c0d
CL		 429 /* FIFO for collecting outstanding BlockAckRequest */
430 struct list_head bar_list[__AR9170_NUM_TXQ];
431 spinlock_t bar_list_lock[__AR9170_NUM_TXQ];
432
fe8ee9ad
CL		 433#ifdef CONFIG_CARL9170_WPC
434 struct {
435 bool pbc_state;
436 struct input_dev *pbc;
437 char name[32];
438 char phys[32];
439 } wps;
440#endif /* CONFIG_CARL9170_WPC */
441
442#ifdef CONFIG_CARL9170_DEBUGFS
443 struct carl9170_debug debug;
444 struct dentry *debug_dir;
445#endif /* CONFIG_CARL9170_DEBUGFS */
446
447 /* PSM */
448 struct work_struct ps_work;
449 struct {
450 unsigned int dtim_counter;
451 unsigned long last_beacon;
452 unsigned long last_action;
453 unsigned long last_slept;
454 unsigned int sleep_ms;
455 unsigned int off_override;
456 bool state;
457 } ps;
00044f17
CL		 458
459#ifdef CONFIG_CARL9170_HWRNG
460# define CARL9170_HWRNG_CACHE_SIZE CARL9170_MAX_CMD_PAYLOAD_LEN
461 struct {
462 struct hwrng rng;
463 bool initialized;
464 char name[30 + 1];
465 u16 cache[CARL9170_HWRNG_CACHE_SIZE / sizeof(u16)];
466 unsigned int cache_idx;
467 } rng;
468#endif /* CONFIG_CARL9170_HWRNG */
fe8ee9ad
CL		 469};
470
471enum carl9170_ps_off_override_reasons {
472 PS_OFF_VIF = BIT(0),
473 PS_OFF_BCN = BIT(1),
fe8ee9ad
CL		 474};
475
c9122c0d
CL		 476struct carl9170_bar_list_entry {
477 struct list_head list;
478 struct rcu_head head;
479 struct sk_buff *skb;
480};
481
fe8ee9ad
CL		 482struct carl9170_ba_stats {
483 u8 ampdu_len;
484 u8 ampdu_ack_len;
485 bool clear;
24047e2c 486 bool req;
fe8ee9ad
CL		 487};
488
489struct carl9170_sta_info {
490 bool ht_sta;
caf1eae2
CL		 491 bool sleeping;
492 atomic_t pending_frames;
fe8ee9ad 493 unsigned int ampdu_max_len;
70126f61 494 struct carl9170_sta_tid __rcu *agg[CARL9170_NUM_TID];
fe8ee9ad
CL		 495 struct carl9170_ba_stats stats[CARL9170_NUM_TID];
496};
497
498struct carl9170_tx_info {
499 unsigned long timeout;
500 struct ar9170 *ar;
501 struct kref ref;
502};
503
504#define CHK_DEV_STATE(a, s) (((struct ar9170 *)a)->state >= (s))
505#define IS_INITIALIZED(a) (CHK_DEV_STATE(a, CARL9170_STOPPED))
506#define IS_ACCEPTING_CMD(a) (CHK_DEV_STATE(a, CARL9170_IDLE))
507#define IS_STARTED(a) (CHK_DEV_STATE(a, CARL9170_STARTED))
508
509static inline void __carl9170_set_state(struct ar9170 *ar,
510 enum carl9170_device_state newstate)
511{
512 ar->state = newstate;
513}
514
515static inline void carl9170_set_state(struct ar9170 *ar,
516 enum carl9170_device_state newstate)
517{
518 unsigned long flags;
519
520 spin_lock_irqsave(&ar->state_lock, flags);
521 __carl9170_set_state(ar, newstate);
522 spin_unlock_irqrestore(&ar->state_lock, flags);
523}
524
525static inline void carl9170_set_state_when(struct ar9170 *ar,
526 enum carl9170_device_state min, enum carl9170_device_state newstate)
527{
528 unsigned long flags;
529
530 spin_lock_irqsave(&ar->state_lock, flags);
531 if (CHK_DEV_STATE(ar, min))
532 __carl9170_set_state(ar, newstate);
533 spin_unlock_irqrestore(&ar->state_lock, flags);
534}
535
536/* exported interface */
537void *carl9170_alloc(size_t priv_size);
538int carl9170_register(struct ar9170 *ar);
539void carl9170_unregister(struct ar9170 *ar);
540void carl9170_free(struct ar9170 *ar);
541void carl9170_restart(struct ar9170 *ar, const enum carl9170_restart_reasons r);
542void carl9170_ps_check(struct ar9170 *ar);
543
544/* USB back-end */
545int carl9170_usb_open(struct ar9170 *ar);
546void carl9170_usb_stop(struct ar9170 *ar);
547void carl9170_usb_tx(struct ar9170 *ar, struct sk_buff *skb);
548void carl9170_usb_handle_tx_err(struct ar9170 *ar);
549int carl9170_exec_cmd(struct ar9170 *ar, const enum carl9170_cmd_oids,
550 u32 plen, void *payload, u32 rlen, void *resp);
551int __carl9170_exec_cmd(struct ar9170 *ar, struct carl9170_cmd *cmd,
552 const bool free_buf);
553int carl9170_usb_restart(struct ar9170 *ar);
554void carl9170_usb_reset(struct ar9170 *ar);
555
556/* MAC */
557int carl9170_init_mac(struct ar9170 *ar);
558int carl9170_set_qos(struct ar9170 *ar);
559int carl9170_update_multicast(struct ar9170 *ar, const u64 mc_hast);
560int carl9170_mod_virtual_mac(struct ar9170 *ar, const unsigned int id,
561 const u8 *mac);
562int carl9170_set_operating_mode(struct ar9170 *ar);
563int carl9170_set_beacon_timers(struct ar9170 *ar);
564int carl9170_set_dyn_sifs_ack(struct ar9170 *ar);
565int carl9170_set_rts_cts_rate(struct ar9170 *ar);
566int carl9170_set_ampdu_settings(struct ar9170 *ar);
567int carl9170_set_slot_time(struct ar9170 *ar);
568int carl9170_set_mac_rates(struct ar9170 *ar);
569int carl9170_set_hwretry_limit(struct ar9170 *ar, const u32 max_retry);
fe8ee9ad
CL		 570int carl9170_upload_key(struct ar9170 *ar, const u8 id, const u8 *mac,
571 const u8 ktype, const u8 keyidx, const u8 *keydata, const int keylen);
572int carl9170_disable_key(struct ar9170 *ar, const u8 id);
67e43de6 573int carl9170_set_mac_tpc(struct ar9170 *ar, struct ieee80211_channel *channel);
fe8ee9ad
CL		 574
575/* RX */
576void carl9170_rx(struct ar9170 *ar, void *buf, unsigned int len);
577void carl9170_handle_command_response(struct ar9170 *ar, void *buf, u32 len);
578
579/* TX */
7bb45683 580void carl9170_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
fe8ee9ad
CL		 581void carl9170_tx_janitor(struct work_struct *work);
582void carl9170_tx_process_status(struct ar9170 *ar,
583 const struct carl9170_rsp *cmd);
584void carl9170_tx_status(struct ar9170 *ar, struct sk_buff *skb,
585 const bool success);
586void carl9170_tx_callback(struct ar9170 *ar, struct sk_buff *skb);
587void carl9170_tx_drop(struct ar9170 *ar, struct sk_buff *skb);
588void carl9170_tx_scheduler(struct ar9170 *ar);
589void carl9170_tx_get_skb(struct sk_buff *skb);
590int carl9170_tx_put_skb(struct sk_buff *skb);
943c3399 591int carl9170_update_beacon(struct ar9170 *ar, const bool submit);
fe8ee9ad
CL		 592
593/* LEDs */
594#ifdef CONFIG_CARL9170_LEDS
595int carl9170_led_register(struct ar9170 *ar);
596void carl9170_led_unregister(struct ar9170 *ar);
597#endif /* CONFIG_CARL9170_LEDS */
598int carl9170_led_init(struct ar9170 *ar);
599int carl9170_led_set_state(struct ar9170 *ar, const u32 led_state);
600
601/* PHY / RF */
602int carl9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel,
603 enum nl80211_channel_type bw, enum carl9170_rf_init_mode rfi);
604int carl9170_get_noisefloor(struct ar9170 *ar);
605
606/* FW */
607int carl9170_parse_firmware(struct ar9170 *ar);
fe8ee9ad
CL		 608
609extern struct ieee80211_rate __carl9170_ratetable[];
610extern int modparam_noht;
611
612static inline struct ar9170 *carl9170_get_priv(struct carl9170_vif *carl_vif)
613{
614 return container_of(carl_vif, struct ar9170,
615 vif_priv[carl_vif->id]);
616}
617
618static inline struct ieee80211_hdr *carl9170_get_hdr(struct sk_buff *skb)
619{
620 return (void *)((struct _carl9170_tx_superframe *)
621 skb->data)->frame_data;
622}
623
624static inline u16 get_seq_h(struct ieee80211_hdr *hdr)
625{
626 return le16_to_cpu(hdr->seq_ctrl) >> 4;
627}
628
629static inline u16 carl9170_get_seq(struct sk_buff *skb)
630{
631 return get_seq_h(carl9170_get_hdr(skb));
632}
633
634static inline u16 get_tid_h(struct ieee80211_hdr *hdr)
635{
636 return (ieee80211_get_qos_ctl(hdr))[0] & IEEE80211_QOS_CTL_TID_MASK;
637}
638
639static inline u16 carl9170_get_tid(struct sk_buff *skb)
640{
641 return get_tid_h(carl9170_get_hdr(skb));
642}
643
644static inline struct ieee80211_vif *
645carl9170_get_vif(struct carl9170_vif_info *priv)
646{
647 return container_of((void *)priv, struct ieee80211_vif, drv_priv);
648}
649
650/* Protected by ar->mutex or RCU */
651static inline struct ieee80211_vif *carl9170_get_main_vif(struct ar9170 *ar)
652{
653 struct carl9170_vif_info *cvif;
654
655 list_for_each_entry_rcu(cvif, &ar->vif_list, list) {
656 if (cvif->active)
657 return carl9170_get_vif(cvif);
658 }
659
660 return NULL;
661}
662
663static inline bool is_main_vif(struct ar9170 *ar, struct ieee80211_vif *vif)
664{
665 bool ret;
666
667 rcu_read_lock();
668 ret = (carl9170_get_main_vif(ar) == vif);
669 rcu_read_unlock();
670 return ret;
671}
672
673#endif /* __CARL9170_H */
Linux 6.x block layer and io_uring tree(s)