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> |
46 | #include <linux/hw_random.h> |
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> |
52 | #endif /* CONFIG_CARL9170_LEDS */ |
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 | |
71 | static inline u8 ar9170_qmap(u8 idx) |
72 | { |
73 | return 3 - idx; /* { 3, 2, 1, 0 } */ |
74 | } |
75 | |
76 | #define CARL9170_MAX_RX_BUFFER_SIZE 8192 |
77 | |
78 | enum carl9170_device_state { |
79 | CARL9170_UNKNOWN_STATE, |
80 | CARL9170_STOPPED, |
81 | CARL9170_IDLE, |
82 | CARL9170_STARTED, |
83 | }; |
84 | |
85 | #define WME_BA_BMP_SIZE 64 |
86 | #define CARL9170_TX_USER_RATE_TRIES 3 |
87 | |
88 | #define TID_TO_WME_AC(_tid) \ |
89 | ((((_tid) == 0) || ((_tid) == 3)) ? IEEE80211_AC_BE : \ |
90 | (((_tid) == 1) || ((_tid) == 2)) ? IEEE80211_AC_BK : \ |
91 | (((_tid) == 4) || ((_tid) == 5)) ? IEEE80211_AC_VI : \ |
92 | IEEE80211_AC_VO) |
93 | |
94 | #define SEQ_DIFF(_start, _seq) \ |
95 | (((_start) - (_seq)) & 0x0fff) |
96 | #define SEQ_PREV(_seq) \ |
97 | (((_seq) - 1) & 0x0fff) |
98 | #define SEQ_NEXT(_seq) \ |
99 | (((_seq) + 1) & 0x0fff) |
100 | #define BAW_WITHIN(_start, _bawsz, _seqno) \ |
101 | ((((_seqno) - (_start)) & 0xfff) < (_bawsz)) |
102 | |
103 | enum carl9170_tid_state { |
104 | CARL9170_TID_STATE_INVALID, |
105 | CARL9170_TID_STATE_KILLED, |
106 | CARL9170_TID_STATE_SHUTDOWN, |
107 | CARL9170_TID_STATE_SUSPEND, |
108 | CARL9170_TID_STATE_PROGRESS, |
109 | CARL9170_TID_STATE_IDLE, |
110 | CARL9170_TID_STATE_XMIT, |
111 | }; |
112 | |
113 | #define CARL9170_BAW_BITS (2 * WME_BA_BMP_SIZE) |
114 | #define CARL9170_BAW_SIZE (BITS_TO_LONGS(CARL9170_BAW_BITS)) |
115 | #define CARL9170_BAW_LEN (DIV_ROUND_UP(CARL9170_BAW_BITS, BITS_PER_BYTE)) |
116 | |
117 | struct carl9170_sta_tid { |
118 | /* must be the first entry! */ |
119 | struct list_head list; |
120 | |
121 | /* temporary list for RCU unlink procedure */ |
122 | struct list_head tmp_list; |
123 | |
124 | /* lock for the following data structures */ |
125 | spinlock_t lock; |
126 | |
127 | unsigned int counter; |
128 | enum carl9170_tid_state state; |
129 | u8 tid; /* TID number ( 0 - 15 ) */ |
130 | u16 max; /* max. AMPDU size */ |
131 | |
132 | u16 snx; /* awaiting _next_ frame */ |
133 | u16 hsn; /* highest _queued_ sequence */ |
134 | u16 bsn; /* base of the tx/agg bitmap */ |
135 | unsigned long bitmap[CARL9170_BAW_SIZE]; |
136 | |
137 | /* Preaggregation reorder queue */ |
138 | struct sk_buff_head queue; |
139 | |
140 | struct ieee80211_sta *sta; |
141 | struct ieee80211_vif *vif; |
142 | }; |
143 | |
144 | #define CARL9170_QUEUE_TIMEOUT 256 |
145 | #define CARL9170_BUMP_QUEUE 1000 |
146 | #define CARL9170_TX_TIMEOUT 2500 |
147 | #define CARL9170_JANITOR_DELAY 128 |
148 | #define CARL9170_QUEUE_STUCK_TIMEOUT 5500 |
149 | #define CARL9170_STAT_WORK 30000 |
150 | |
151 | #define CARL9170_NUM_TX_AGG_MAX 30 |
152 | |
153 | /* |
154 | * Tradeoff between stability/latency and speed. |
155 | * |
156 | * AR9170_TXQ_DEPTH is devised by dividing the amount of available |
157 | * tx buffers with the size of a full ethernet frame + overhead. |
158 | * |
159 | * Naturally: The higher the limit, the faster the device CAN send. |
160 | * However, even a slight over-commitment at the wrong time and the |
161 | * hardware is doomed to send all already-queued frames at suboptimal |
162 | * rates. This in turn leads to an enormous amount of unsuccessful |
163 | * retries => Latency goes up, whereas the throughput goes down. CRASH! |
164 | */ |
165 | #define CARL9170_NUM_TX_LIMIT_HARD ((AR9170_TXQ_DEPTH * 3) / 2) |
166 | #define CARL9170_NUM_TX_LIMIT_SOFT (AR9170_TXQ_DEPTH) |
167 | |
168 | struct carl9170_tx_queue_stats { |
169 | unsigned int count; |
170 | unsigned int limit; |
171 | unsigned int len; |
172 | }; |
173 | |
174 | struct carl9170_vif { |
175 | unsigned int id; |
176 | struct ieee80211_vif __rcu *vif; |
177 | }; |
178 | |
179 | struct carl9170_vif_info { |
180 | struct list_head list; |
181 | bool active; |
182 | unsigned int id; |
183 | struct sk_buff *beacon; |
184 | bool enable_beacon; |
185 | }; |
186 | |
187 | #define AR9170_NUM_RX_URBS 16 |
188 | #define AR9170_NUM_RX_URBS_MUL 2 |
189 | #define AR9170_NUM_TX_URBS 8 |
190 | #define AR9170_NUM_RX_URBS_POOL (AR9170_NUM_RX_URBS_MUL * AR9170_NUM_RX_URBS) |
191 | |
192 | enum carl9170_device_features { |
193 | CARL9170_WPS_BUTTON = BIT(0), |
194 | CARL9170_ONE_LED = BIT(1), |
195 | }; |
196 | |
197 | #ifdef CONFIG_CARL9170_LEDS |
198 | struct ar9170; |
199 | |
200 | struct carl9170_led { |
201 | struct ar9170 *ar; |
202 | struct led_classdev l; |
203 | char name[32]; |
204 | unsigned int toggled; |
205 | bool last_state; |
206 | bool registered; |
207 | }; |
208 | #endif /* CONFIG_CARL9170_LEDS */ |
209 | |
210 | enum carl9170_restart_reasons { |
211 | CARL9170_RR_NO_REASON = 0, |
212 | CARL9170_RR_FATAL_FIRMWARE_ERROR, |
213 | CARL9170_RR_TOO_MANY_FIRMWARE_ERRORS, |
214 | CARL9170_RR_WATCHDOG, |
215 | CARL9170_RR_STUCK_TX, |
216 | CARL9170_RR_UNRESPONSIVE_DEVICE, |
217 | CARL9170_RR_COMMAND_TIMEOUT, |
218 | CARL9170_RR_TOO_MANY_PHY_ERRORS, |
219 | CARL9170_RR_LOST_RSP, |
220 | CARL9170_RR_INVALID_RSP, |
221 | CARL9170_RR_USER_REQUEST, |
222 | |
223 | __CARL9170_RR_LAST, |
224 | }; |
225 | |
226 | enum carl9170_erp_modes { |
227 | CARL9170_ERP_INVALID, |
228 | CARL9170_ERP_AUTO, |
229 | CARL9170_ERP_MAC80211, |
230 | CARL9170_ERP_OFF, |
231 | CARL9170_ERP_CTS, |
232 | CARL9170_ERP_RTS, |
233 | __CARL9170_ERP_NUM, |
234 | }; |
235 | |
236 | struct ar9170 { |
237 | struct ath_common common; |
238 | struct ieee80211_hw *hw; |
239 | struct mutex mutex; |
240 | enum carl9170_device_state state; |
241 | spinlock_t state_lock; |
242 | enum carl9170_restart_reasons last_reason; |
243 | bool registered; |
244 | |
245 | /* USB */ |
246 | struct usb_device *udev; |
247 | struct usb_interface *intf; |
248 | struct usb_anchor rx_anch; |
249 | struct usb_anchor rx_work; |
250 | struct usb_anchor rx_pool; |
251 | struct usb_anchor tx_wait; |
252 | struct usb_anchor tx_anch; |
253 | struct usb_anchor tx_cmd; |
254 | struct usb_anchor tx_err; |
255 | struct tasklet_struct usb_tasklet; |
256 | atomic_t tx_cmd_urbs; |
257 | atomic_t tx_anch_urbs; |
258 | atomic_t rx_anch_urbs; |
259 | atomic_t rx_work_urbs; |
260 | atomic_t rx_pool_urbs; |
261 | kernel_ulong_t features; |
262 | bool usb_ep_cmd_is_bulk; |
263 | |
264 | /* firmware settings */ |
265 | struct completion fw_load_wait; |
266 | struct completion fw_boot_wait; |
267 | struct { |
268 | const struct carl9170fw_desc_head *desc; |
269 | const struct firmware *fw; |
270 | unsigned int offset; |
271 | unsigned int address; |
272 | unsigned int cmd_bufs; |
273 | unsigned int api_version; |
274 | unsigned int vif_num; |
275 | unsigned int err_counter; |
276 | unsigned int bug_counter; |
277 | u32 beacon_addr; |
278 | unsigned int beacon_max_len; |
279 | bool rx_stream; |
280 | bool tx_stream; |
281 | bool rx_filter; |
282 | bool hw_counters; |
283 | unsigned int mem_blocks; |
284 | unsigned int mem_block_size; |
285 | unsigned int rx_size; |
286 | unsigned int tx_seq_table; |
287 | bool ba_filter; |
288 | bool disable_offload_fw; |
289 | } fw; |
290 | |
291 | /* interface configuration combinations */ |
292 | struct ieee80211_iface_limit if_comb_limits[1]; |
293 | struct ieee80211_iface_combination if_combs[1]; |
294 | |
295 | /* reset / stuck frames/queue detection */ |
296 | struct work_struct restart_work; |
297 | struct work_struct ping_work; |
298 | unsigned int restart_counter; |
299 | unsigned long queue_stop_timeout[__AR9170_NUM_TXQ]; |
300 | unsigned long max_queue_stop_timeout[__AR9170_NUM_TXQ]; |
301 | bool needs_full_reset; |
302 | bool force_usb_reset; |
303 | atomic_t pending_restarts; |
304 | |
305 | /* interface mode settings */ |
306 | struct list_head vif_list; |
307 | unsigned long vif_bitmap; |
308 | unsigned int vifs; |
309 | struct carl9170_vif vif_priv[AR9170_MAX_VIRTUAL_MAC]; |
310 | |
311 | /* beaconing */ |
312 | spinlock_t beacon_lock; |
313 | unsigned int global_pretbtt; |
314 | unsigned int global_beacon_int; |
315 | struct carl9170_vif_info __rcu *beacon_iter; |
316 | unsigned int beacon_enabled; |
317 | |
318 | /* cryptographic engine */ |
319 | u64 usedkeys; |
320 | bool rx_software_decryption; |
321 | bool disable_offload; |
322 | |
323 | /* filter settings */ |
324 | u64 cur_mc_hash; |
325 | u32 cur_filter; |
326 | unsigned int filter_state; |
327 | unsigned int rx_filter_caps; |
328 | bool sniffer_enabled; |
329 | |
330 | /* MAC */ |
331 | enum carl9170_erp_modes erp_mode; |
332 | |
333 | /* PHY */ |
334 | struct ieee80211_channel *channel; |
335 | unsigned int num_channels; |
336 | int noise[4]; |
337 | unsigned int chan_fail; |
338 | unsigned int total_chan_fail; |
339 | u8 heavy_clip; |
340 | u8 ht_settings; |
341 | struct { |
342 | u64 active; /* usec */ |
343 | u64 cca; /* usec */ |
344 | u64 tx_time; /* usec */ |
345 | u64 rx_total; |
346 | u64 rx_overrun; |
347 | } tally; |
348 | struct delayed_work stat_work; |
349 | struct survey_info *survey; |
350 | |
351 | /* power calibration data */ |
352 | u8 power_5G_leg[4]; |
353 | u8 power_2G_cck[4]; |
354 | u8 power_2G_ofdm[4]; |
355 | u8 power_5G_ht20[8]; |
356 | u8 power_5G_ht40[8]; |
357 | u8 power_2G_ht20[8]; |
358 | u8 power_2G_ht40[8]; |
359 | |
360 | #ifdef CONFIG_CARL9170_LEDS |
361 | /* LED */ |
362 | struct delayed_work led_work; |
363 | struct carl9170_led leds[AR9170_NUM_LEDS]; |
364 | #endif /* CONFIG_CARL9170_LEDS */ |
365 | |
366 | /* qos queue settings */ |
367 | spinlock_t tx_stats_lock; |
368 | struct carl9170_tx_queue_stats tx_stats[__AR9170_NUM_TXQ]; |
369 | struct ieee80211_tx_queue_params edcf[5]; |
370 | struct completion tx_flush; |
371 | |
372 | /* CMD */ |
373 | int cmd_seq; |
374 | int readlen; |
375 | u8 *readbuf; |
376 | spinlock_t cmd_lock; |
377 | struct completion cmd_wait; |
378 | union { |
379 | __le32 cmd_buf[PAYLOAD_MAX + 1]; |
380 | struct carl9170_cmd cmd; |
381 | struct carl9170_rsp rsp; |
382 | }; |
383 | |
384 | /* statistics */ |
385 | unsigned int tx_dropped; |
386 | unsigned int tx_ack_failures; |
387 | unsigned int tx_fcs_errors; |
388 | unsigned int rx_dropped; |
389 | |
390 | /* EEPROM */ |
391 | struct ar9170_eeprom eeprom; |
392 | |
393 | /* tx queuing */ |
394 | struct sk_buff_head tx_pending[__AR9170_NUM_TXQ]; |
395 | struct sk_buff_head tx_status[__AR9170_NUM_TXQ]; |
396 | struct delayed_work tx_janitor; |
397 | unsigned long tx_janitor_last_run; |
398 | bool tx_schedule; |
399 | |
400 | /* tx ampdu */ |
401 | struct work_struct ampdu_work; |
402 | spinlock_t tx_ampdu_list_lock; |
403 | struct carl9170_sta_tid __rcu *tx_ampdu_iter; |
404 | struct list_head tx_ampdu_list; |
405 | atomic_t tx_ampdu_upload; |
406 | atomic_t tx_ampdu_scheduler; |
407 | atomic_t tx_total_pending; |
408 | atomic_t tx_total_queued; |
409 | unsigned int tx_ampdu_list_len; |
410 | int current_density; |
411 | int current_factor; |
412 | bool tx_ampdu_schedule; |
413 | |
414 | /* internal memory management */ |
415 | spinlock_t mem_lock; |
416 | unsigned long *mem_bitmap; |
417 | atomic_t mem_free_blocks; |
418 | atomic_t mem_allocs; |
419 | |
420 | /* rxstream mpdu merge */ |
421 | struct ar9170_rx_head rx_plcp; |
422 | bool rx_has_plcp; |
423 | struct sk_buff *rx_failover; |
424 | int rx_failover_missing; |
425 | u32 ampdu_ref; |
426 | |
427 | /* FIFO for collecting outstanding BlockAckRequest */ |
428 | struct list_head bar_list[__AR9170_NUM_TXQ]; |
429 | spinlock_t bar_list_lock[__AR9170_NUM_TXQ]; |
430 | |
431 | #ifdef CONFIG_CARL9170_WPC |
432 | struct { |
433 | bool pbc_state; |
434 | struct input_dev *pbc; |
435 | char name[32]; |
436 | char phys[32]; |
437 | } wps; |
438 | #endif /* CONFIG_CARL9170_WPC */ |
439 | |
440 | #ifdef CONFIG_CARL9170_DEBUGFS |
441 | struct carl9170_debug debug; |
442 | struct dentry *debug_dir; |
443 | #endif /* CONFIG_CARL9170_DEBUGFS */ |
444 | |
445 | /* PSM */ |
446 | struct work_struct ps_work; |
447 | struct { |
448 | unsigned int dtim_counter; |
449 | unsigned long last_beacon; |
450 | unsigned long last_action; |
451 | unsigned long last_slept; |
452 | unsigned int sleep_ms; |
453 | unsigned int off_override; |
454 | bool state; |
455 | } ps; |
456 | |
457 | #ifdef CONFIG_CARL9170_HWRNG |
458 | # define CARL9170_HWRNG_CACHE_SIZE CARL9170_MAX_CMD_PAYLOAD_LEN |
459 | struct { |
460 | struct hwrng rng; |
461 | char name[30 + 1]; |
462 | u16 cache[CARL9170_HWRNG_CACHE_SIZE / sizeof(u16)]; |
463 | unsigned int cache_idx; |
464 | } rng; |
465 | #endif /* CONFIG_CARL9170_HWRNG */ |
466 | }; |
467 | |
468 | enum carl9170_ps_off_override_reasons { |
469 | PS_OFF_VIF = BIT(0), |
470 | PS_OFF_BCN = BIT(1), |
471 | }; |
472 | |
473 | struct carl9170_bar_list_entry { |
474 | struct list_head list; |
475 | struct rcu_head head; |
476 | struct sk_buff *skb; |
477 | }; |
478 | |
479 | struct carl9170_ba_stats { |
480 | u8 ampdu_len; |
481 | u8 ampdu_ack_len; |
482 | bool clear; |
483 | bool req; |
484 | }; |
485 | |
486 | struct carl9170_sta_info { |
487 | bool ht_sta; |
488 | bool sleeping; |
489 | atomic_t pending_frames; |
490 | unsigned int ampdu_max_len; |
491 | struct carl9170_sta_tid __rcu *agg[IEEE80211_NUM_TIDS]; |
492 | struct carl9170_ba_stats stats[IEEE80211_NUM_TIDS]; |
493 | }; |
494 | |
495 | struct carl9170_tx_info { |
496 | unsigned long timeout; |
497 | struct ar9170 *ar; |
498 | struct kref ref; |
499 | }; |
500 | |
501 | #define CHK_DEV_STATE(a, s) (((struct ar9170 *)a)->state >= (s)) |
502 | #define IS_INITIALIZED(a) (CHK_DEV_STATE(a, CARL9170_STOPPED)) |
503 | #define IS_ACCEPTING_CMD(a) (CHK_DEV_STATE(a, CARL9170_IDLE)) |
504 | #define IS_STARTED(a) (CHK_DEV_STATE(a, CARL9170_STARTED)) |
505 | |
506 | static inline void __carl9170_set_state(struct ar9170 *ar, |
507 | enum carl9170_device_state newstate) |
508 | { |
509 | ar->state = newstate; |
510 | } |
511 | |
512 | static inline void carl9170_set_state(struct ar9170 *ar, |
513 | enum carl9170_device_state newstate) |
514 | { |
515 | unsigned long flags; |
516 | |
517 | spin_lock_irqsave(&ar->state_lock, flags); |
518 | __carl9170_set_state(ar, newstate); |
519 | spin_unlock_irqrestore(lock: &ar->state_lock, flags); |
520 | } |
521 | |
522 | static inline void carl9170_set_state_when(struct ar9170 *ar, |
523 | enum carl9170_device_state min, enum carl9170_device_state newstate) |
524 | { |
525 | unsigned long flags; |
526 | |
527 | spin_lock_irqsave(&ar->state_lock, flags); |
528 | if (CHK_DEV_STATE(ar, min)) |
529 | __carl9170_set_state(ar, newstate); |
530 | spin_unlock_irqrestore(lock: &ar->state_lock, flags); |
531 | } |
532 | |
533 | /* exported interface */ |
534 | void *carl9170_alloc(size_t priv_size); |
535 | int carl9170_register(struct ar9170 *ar); |
536 | void carl9170_unregister(struct ar9170 *ar); |
537 | void carl9170_free(struct ar9170 *ar); |
538 | void carl9170_restart(struct ar9170 *ar, const enum carl9170_restart_reasons r); |
539 | void carl9170_ps_check(struct ar9170 *ar); |
540 | |
541 | /* USB back-end */ |
542 | int carl9170_usb_open(struct ar9170 *ar); |
543 | void carl9170_usb_stop(struct ar9170 *ar); |
544 | void carl9170_usb_tx(struct ar9170 *ar, struct sk_buff *skb); |
545 | void carl9170_usb_handle_tx_err(struct ar9170 *ar); |
546 | int carl9170_exec_cmd(struct ar9170 *ar, const enum carl9170_cmd_oids, |
547 | u32 plen, void *payload, u32 rlen, void *resp); |
548 | int __carl9170_exec_cmd(struct ar9170 *ar, struct carl9170_cmd *cmd, |
549 | const bool free_buf); |
550 | int carl9170_usb_restart(struct ar9170 *ar); |
551 | void carl9170_usb_reset(struct ar9170 *ar); |
552 | |
553 | /* MAC */ |
554 | int carl9170_init_mac(struct ar9170 *ar); |
555 | int carl9170_set_qos(struct ar9170 *ar); |
556 | int carl9170_update_multicast(struct ar9170 *ar, const u64 mc_hast); |
557 | int carl9170_mod_virtual_mac(struct ar9170 *ar, const unsigned int id, |
558 | const u8 *mac); |
559 | int carl9170_set_operating_mode(struct ar9170 *ar); |
560 | int carl9170_set_beacon_timers(struct ar9170 *ar); |
561 | int carl9170_set_dyn_sifs_ack(struct ar9170 *ar); |
562 | int carl9170_set_rts_cts_rate(struct ar9170 *ar); |
563 | int carl9170_set_ampdu_settings(struct ar9170 *ar); |
564 | int carl9170_set_slot_time(struct ar9170 *ar); |
565 | int carl9170_set_mac_rates(struct ar9170 *ar); |
566 | int carl9170_set_hwretry_limit(struct ar9170 *ar, const u32 max_retry); |
567 | int carl9170_upload_key(struct ar9170 *ar, const u8 id, const u8 *mac, |
568 | const u8 ktype, const u8 keyidx, const u8 *keydata, const int keylen); |
569 | int carl9170_disable_key(struct ar9170 *ar, const u8 id); |
570 | int carl9170_set_mac_tpc(struct ar9170 *ar, struct ieee80211_channel *channel); |
571 | |
572 | /* RX */ |
573 | void carl9170_rx(struct ar9170 *ar, void *buf, unsigned int len); |
574 | void carl9170_handle_command_response(struct ar9170 *ar, void *buf, u32 len); |
575 | |
576 | /* TX */ |
577 | void carl9170_op_tx(struct ieee80211_hw *hw, |
578 | struct ieee80211_tx_control *control, |
579 | struct sk_buff *skb); |
580 | void carl9170_tx_janitor(struct work_struct *work); |
581 | void carl9170_tx_process_status(struct ar9170 *ar, |
582 | const struct carl9170_rsp *cmd); |
583 | void carl9170_tx_status(struct ar9170 *ar, struct sk_buff *skb, |
584 | const bool success); |
585 | void carl9170_tx_callback(struct ar9170 *ar, struct sk_buff *skb); |
586 | void carl9170_tx_drop(struct ar9170 *ar, struct sk_buff *skb); |
587 | void carl9170_tx_scheduler(struct ar9170 *ar); |
588 | void carl9170_tx_get_skb(struct sk_buff *skb); |
589 | int carl9170_tx_put_skb(struct sk_buff *skb); |
590 | int carl9170_update_beacon(struct ar9170 *ar, const bool submit); |
591 | |
592 | /* LEDs */ |
593 | #ifdef CONFIG_CARL9170_LEDS |
594 | int carl9170_led_register(struct ar9170 *ar); |
595 | void carl9170_led_unregister(struct ar9170 *ar); |
596 | #endif /* CONFIG_CARL9170_LEDS */ |
597 | int carl9170_led_init(struct ar9170 *ar); |
598 | int carl9170_led_set_state(struct ar9170 *ar, const u32 led_state); |
599 | |
600 | /* PHY / RF */ |
601 | int carl9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel, |
602 | enum nl80211_channel_type bw); |
603 | int carl9170_get_noisefloor(struct ar9170 *ar); |
604 | |
605 | /* FW */ |
606 | int carl9170_parse_firmware(struct ar9170 *ar); |
607 | |
608 | extern struct ieee80211_rate __carl9170_ratetable[]; |
609 | extern int modparam_noht; |
610 | |
611 | static inline struct ar9170 *carl9170_get_priv(struct carl9170_vif *carl_vif) |
612 | { |
613 | return container_of(carl_vif, struct ar9170, |
614 | vif_priv[carl_vif->id]); |
615 | } |
616 | |
617 | static inline struct ieee80211_hdr *carl9170_get_hdr(struct sk_buff *skb) |
618 | { |
619 | return (void *)((struct _carl9170_tx_superframe *) |
620 | skb->data)->frame_data; |
621 | } |
622 | |
623 | static inline u16 get_seq_h(struct ieee80211_hdr *hdr) |
624 | { |
625 | return le16_to_cpu(hdr->seq_ctrl) >> 4; |
626 | } |
627 | |
628 | static inline u16 carl9170_get_seq(struct sk_buff *skb) |
629 | { |
630 | return get_seq_h(hdr: carl9170_get_hdr(skb)); |
631 | } |
632 | |
633 | static inline u16 carl9170_get_tid(struct sk_buff *skb) |
634 | { |
635 | return ieee80211_get_tid(hdr: carl9170_get_hdr(skb)); |
636 | } |
637 | |
638 | static inline struct ieee80211_vif * |
639 | carl9170_get_vif(struct carl9170_vif_info *priv) |
640 | { |
641 | return container_of((void *)priv, struct ieee80211_vif, drv_priv); |
642 | } |
643 | |
644 | /* Protected by ar->mutex or RCU */ |
645 | static inline struct ieee80211_vif *carl9170_get_main_vif(struct ar9170 *ar) |
646 | { |
647 | struct carl9170_vif_info *cvif; |
648 | |
649 | list_for_each_entry_rcu(cvif, &ar->vif_list, list) { |
650 | if (cvif->active) |
651 | return carl9170_get_vif(priv: cvif); |
652 | } |
653 | |
654 | return NULL; |
655 | } |
656 | |
657 | static inline bool is_main_vif(struct ar9170 *ar, struct ieee80211_vif *vif) |
658 | { |
659 | bool ret; |
660 | |
661 | rcu_read_lock(); |
662 | ret = (carl9170_get_main_vif(ar) == vif); |
663 | rcu_read_unlock(); |
664 | return ret; |
665 | } |
666 | |
667 | #endif /* __CARL9170_H */ |
668 | |