2 * Copyright (c) 2008-2009 Atheros Communications Inc.
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 #include <linux/etherdevice.h>
21 #include <linux/device.h>
22 #include <net/mac80211.h>
23 #include <linux/leds.h>
32 /* Macro to expand scalars to 64-bit objects */
34 #define ito64(x) (sizeof(x) == 8) ? \
35 (((unsigned long long int)(x)) & (0xff)) : \
37 (((unsigned long long int)(x)) & 0xffff) : \
38 ((sizeof(x) == 32) ? \
39 (((unsigned long long int)(x)) & 0xffffffff) : \
40 (unsigned long long int)(x))
42 /* increment with wrap-around */
43 #define INCR(_l, _sz) do { \
45 (_l) &= ((_sz) - 1); \
48 /* decrement with wrap-around */
49 #define DECR(_l, _sz) do { \
51 (_l) &= ((_sz) - 1); \
54 #define A_MAX(a, b) ((a) > (b) ? (a) : (b))
56 #define ASSERT(exp) BUG_ON(!(exp))
58 #define TSF_TO_TU(_h,_l) \
59 ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
61 #define ATH_TXQ_SETUP(sc, i) ((sc)->tx.txqsetup & (1<<i))
69 /*************************/
70 /* Descriptor Management */
71 /*************************/
73 #define ATH_TXBUF_RESET(_bf) do { \
74 (_bf)->bf_stale = false; \
75 (_bf)->bf_lastbf = NULL; \
76 (_bf)->bf_next = NULL; \
77 memset(&((_bf)->bf_state), 0, \
78 sizeof(struct ath_buf_state)); \
81 #define ATH_RXBUF_RESET(_bf) do { \
82 (_bf)->bf_stale = false; \
86 * enum buffer_type - Buffer type flags
88 * @BUF_HT: Send this buffer using HT capabilities
89 * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX)
90 * @BUF_AGGR: Indicates whether the buffer can be aggregated
91 * (used in aggregation scheduling)
92 * @BUF_RETRY: Indicates whether the buffer is retried
93 * @BUF_XRETRY: To denote excessive retries of the buffer
103 struct ath_buf_state {
112 enum ath9k_key_type bfs_keytype;
115 #define bf_nframes bf_state.bfs_nframes
116 #define bf_al bf_state.bfs_al
117 #define bf_frmlen bf_state.bfs_frmlen
118 #define bf_retries bf_state.bfs_retries
119 #define bf_seqno bf_state.bfs_seqno
120 #define bf_tidno bf_state.bfs_tidno
121 #define bf_keyix bf_state.bfs_keyix
122 #define bf_keytype bf_state.bfs_keytype
123 #define bf_isht(bf) (bf->bf_state.bf_type & BUF_HT)
124 #define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU)
125 #define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR)
126 #define bf_isretried(bf) (bf->bf_state.bf_type & BUF_RETRY)
127 #define bf_isxretried(bf) (bf->bf_state.bf_type & BUF_XRETRY)
130 struct list_head list;
131 struct ath_buf *bf_lastbf; /* last buf of this unit (a frame or
133 struct ath_buf *bf_next; /* next subframe in the aggregate */
134 struct sk_buff *bf_mpdu; /* enclosing frame structure */
135 struct ath_desc *bf_desc; /* virtual addr of desc */
136 dma_addr_t bf_daddr; /* physical addr of desc */
137 dma_addr_t bf_buf_addr; /* physical addr of data buffer */
140 struct ath_buf_state bf_state;
141 dma_addr_t bf_dmacontext;
145 struct ath_desc *dd_desc;
146 dma_addr_t dd_desc_paddr;
148 struct ath_buf *dd_bufptr;
151 int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
152 struct list_head *head, const char *name,
153 int nbuf, int ndesc);
154 void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd,
155 struct list_head *head);
161 #define ATH_MAX_ANTENNA 3
162 #define ATH_RXBUF 512
163 #define WME_NUM_TID 16
164 #define ATH_TXBUF 512
165 #define ATH_TXMAXTRY 13
166 #define ATH_MGT_TXMAXTRY 4
167 #define WME_BA_BMP_SIZE 64
168 #define WME_MAX_BA WME_BA_BMP_SIZE
169 #define ATH_TID_MAX_BUFS (2 * WME_MAX_BA)
171 #define TID_TO_WME_AC(_tid) \
172 ((((_tid) == 0) || ((_tid) == 3)) ? WME_AC_BE : \
173 (((_tid) == 1) || ((_tid) == 2)) ? WME_AC_BK : \
174 (((_tid) == 4) || ((_tid) == 5)) ? WME_AC_VI : \
183 #define ADDBA_EXCHANGE_ATTEMPTS 10
184 #define ATH_AGGR_DELIM_SZ 4
185 #define ATH_AGGR_MINPLEN 256 /* in bytes, minimum packet length */
186 /* number of delimiters for encryption padding */
187 #define ATH_AGGR_ENCRYPTDELIM 10
188 /* minimum h/w qdepth to be sustained to maximize aggregation */
189 #define ATH_AGGR_MIN_QDEPTH 2
190 #define ATH_AMPDU_SUBFRAME_DEFAULT 32
191 #define ATH_AMPDU_LIMIT_MAX (64 * 1024 - 1)
193 #define IEEE80211_SEQ_SEQ_SHIFT 4
194 #define IEEE80211_SEQ_MAX 4096
195 #define IEEE80211_WEP_IVLEN 3
196 #define IEEE80211_WEP_KIDLEN 1
197 #define IEEE80211_WEP_CRCLEN 4
198 #define IEEE80211_MAX_MPDU_LEN (3840 + FCS_LEN + \
199 (IEEE80211_WEP_IVLEN + \
200 IEEE80211_WEP_KIDLEN + \
201 IEEE80211_WEP_CRCLEN))
203 /* return whether a bit at index _n in bitmap _bm is set
204 * _sz is the size of the bitmap */
205 #define ATH_BA_ISSET(_bm, _n) (((_n) < (WME_BA_BMP_SIZE)) && \
206 ((_bm)[(_n) >> 5] & (1 << ((_n) & 31))))
208 /* return block-ack bitmap index given sequence and starting sequence */
209 #define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1))
211 /* returns delimiter padding required given the packet length */
212 #define ATH_AGGR_GET_NDELIM(_len) \
213 (((((_len) + ATH_AGGR_DELIM_SZ) < ATH_AGGR_MINPLEN) ? \
214 (ATH_AGGR_MINPLEN - (_len) - ATH_AGGR_DELIM_SZ) : 0) >> 2)
216 #define BAW_WITHIN(_start, _bawsz, _seqno) \
217 ((((_seqno) - (_start)) & 4095) < (_bawsz))
219 #define ATH_DS_BA_SEQ(_ds) ((_ds)->ds_us.tx.ts_seqnum)
220 #define ATH_DS_BA_BITMAP(_ds) (&(_ds)->ds_us.tx.ba_low)
221 #define ATH_DS_TX_BA(_ds) ((_ds)->ds_us.tx.ts_flags & ATH9K_TX_BA)
222 #define ATH_AN_2_TID(_an, _tidno) (&(_an)->tid[(_tidno)])
224 #define ATH_TX_COMPLETE_POLL_INT 1000
226 enum ATH_AGGR_STATUS {
235 struct list_head axq_q;
240 bool axq_tx_inprogress;
241 struct ath_buf *axq_linkbuf;
243 /* first desc of the last descriptor that contains CTS */
244 struct ath_desc *axq_lastdsWithCTS;
246 /* final desc of the gating desc that determines whether
247 lastdsWithCTS has been DMA'ed or not */
248 struct ath_desc *axq_gatingds;
250 struct list_head axq_acq;
253 #define AGGR_CLEANUP BIT(1)
254 #define AGGR_ADDBA_COMPLETE BIT(2)
255 #define AGGR_ADDBA_PROGRESS BIT(3)
258 struct list_head list;
259 struct list_head buf_q;
261 struct ath_atx_ac *ac;
262 struct ath_buf *tx_buf[ATH_TID_MAX_BUFS];
267 int baw_head; /* first un-acked tx buffer */
268 int baw_tail; /* next unused tx buffer slot */
277 struct list_head list;
278 struct list_head tid_q;
281 struct ath_tx_control {
284 enum ath9k_internal_frame_type frame_type;
287 #define ATH_TX_ERROR 0x01
288 #define ATH_TX_XRETRY 0x02
289 #define ATH_TX_BAR 0x04
291 #define ATH_RSSI_LPF_LEN 10
292 #define RSSI_LPF_THRESHOLD -20
293 #define ATH9K_RSSI_BAD 0x80
294 #define ATH_RSSI_EP_MULTIPLIER (1<<7)
295 #define ATH_EP_MUL(x, mul) ((x) * (mul))
296 #define ATH_RSSI_IN(x) (ATH_EP_MUL((x), ATH_RSSI_EP_MULTIPLIER))
297 #define ATH_LPF_RSSI(x, y, len) \
298 ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))
299 #define ATH_RSSI_LPF(x, y) do { \
300 if ((y) >= RSSI_LPF_THRESHOLD) \
301 x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN); \
303 #define ATH_EP_RND(x, mul) \
304 ((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
307 struct ath_softc *an_sc;
308 struct ath_atx_tid tid[WME_NUM_TID];
309 struct ath_atx_ac ac[WME_NUM_AC];
318 int hwq_map[ATH9K_WME_AC_VO+1];
319 spinlock_t txbuflock;
320 struct list_head txbuf;
321 struct ath_txq txq[ATH9K_NUM_TX_QUEUES];
322 struct ath_descdma txdma;
330 unsigned int rxfilter;
331 spinlock_t rxflushlock;
332 spinlock_t rxbuflock;
333 struct list_head rxbuf;
334 struct ath_descdma rxdma;
337 int ath_startrecv(struct ath_softc *sc);
338 bool ath_stoprecv(struct ath_softc *sc);
339 void ath_flushrecv(struct ath_softc *sc);
340 u32 ath_calcrxfilter(struct ath_softc *sc);
341 int ath_rx_init(struct ath_softc *sc, int nbufs);
342 void ath_rx_cleanup(struct ath_softc *sc);
343 int ath_rx_tasklet(struct ath_softc *sc, int flush);
344 struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype);
345 void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq);
346 int ath_tx_setup(struct ath_softc *sc, int haltype);
347 void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx);
348 void ath_draintxq(struct ath_softc *sc,
349 struct ath_txq *txq, bool retry_tx);
350 void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an);
351 void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an);
352 void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq);
353 int ath_tx_init(struct ath_softc *sc, int nbufs);
354 void ath_tx_cleanup(struct ath_softc *sc);
355 struct ath_txq *ath_test_get_txq(struct ath_softc *sc, struct sk_buff *skb);
356 int ath_txq_update(struct ath_softc *sc, int qnum,
357 struct ath9k_tx_queue_info *q);
358 int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
359 struct ath_tx_control *txctl);
360 void ath_tx_tasklet(struct ath_softc *sc);
361 void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb);
362 bool ath_tx_aggr_check(struct ath_softc *sc, struct ath_node *an, u8 tidno);
363 void ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
365 void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
366 void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
374 __le64 tsf_adjust; /* TSF adjustment for staggered beacons */
375 enum nl80211_iftype av_opmode;
376 struct ath_buf *av_bcbuf;
377 struct ath_tx_control av_btxctl;
378 u8 bssid[ETH_ALEN]; /* current BSSID from config_interface */
381 /*******************/
382 /* Beacon Handling */
383 /*******************/
386 * Regardless of the number of beacons we stagger, (i.e. regardless of the
387 * number of BSSIDs) if a given beacon does not go out even after waiting this
388 * number of beacon intervals, the game's up.
390 #define BSTUCK_THRESH (9 * ATH_BCBUF)
392 #define ATH_DEFAULT_BINTVAL 100 /* TU */
393 #define ATH_DEFAULT_BMISS_LIMIT 10
394 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024)
396 struct ath_beacon_config {
406 OK, /* no change needed */
407 UPDATE, /* update pending */
408 COMMIT /* beacon sent, commit change */
409 } updateslot; /* slot time update fsm */
415 struct ieee80211_vif *bslot[ATH_BCBUF];
416 struct ath_wiphy *bslot_aphy[ATH_BCBUF];
419 struct ath9k_tx_queue_info beacon_qi;
420 struct ath_descdma bdma;
421 struct ath_txq *cabq;
422 struct list_head bbuf;
425 void ath_beacon_tasklet(unsigned long data);
426 void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif);
427 int ath_beaconq_setup(struct ath_hw *ah);
428 int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif);
429 void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp);
435 #define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */
436 #define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */
437 #define ATH_ANI_POLLINTERVAL 100 /* 100 ms */
438 #define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */
439 #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */
444 unsigned int longcal_timer;
445 unsigned int shortcal_timer;
446 unsigned int resetcal_timer;
447 unsigned int checkani_timer;
448 struct timer_list timer;
451 /* Defines the BT AR_BT_COEX_WGHT used */
452 enum ath_stomp_type {
454 ATH_BTCOEX_STOMP_ALL,
455 ATH_BTCOEX_STOMP_LOW,
456 ATH_BTCOEX_STOMP_NONE
460 bool hw_timer_enabled;
461 spinlock_t btcoex_lock;
462 struct timer_list period_timer; /* Timer for BT period */
464 unsigned long bt_priority_time;
465 int bt_stomp_type; /* Types of BT stomping */
466 u32 btcoex_no_stomp; /* in usec */
467 u32 btcoex_period; /* in usec */
468 struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */
471 /********************/
473 /********************/
475 #define ATH_LED_PIN_DEF 1
476 #define ATH_LED_PIN_9287 8
477 #define ATH_LED_ON_DURATION_IDLE 350 /* in msecs */
478 #define ATH_LED_OFF_DURATION_IDLE 250 /* in msecs */
488 struct ath_softc *sc;
489 struct led_classdev led_cdev;
490 enum ath_led_type led_type;
495 /********************/
496 /* Main driver core */
497 /********************/
500 * Default cache line size, in bytes.
501 * Used when PCI device not fully initialized by bootrom/BIOS
503 #define DEFAULT_CACHELINE 32
504 #define ATH_DEFAULT_NOISE_FLOOR -95
505 #define ATH_REGCLASSIDS_MAX 10
506 #define ATH_CABQ_READY_TIME 80 /* % of beacon interval */
507 #define ATH_MAX_SW_RETRIES 10
508 #define ATH_CHAN_MAX 255
509 #define IEEE80211_WEP_NKID 4 /* number of key ids */
512 * The key cache is used for h/w cipher state and also for
513 * tracking station state such as the current tx antenna.
514 * We also setup a mapping table between key cache slot indices
515 * and station state to short-circuit node lookups on rx.
516 * Different parts have different size key caches. We handle
517 * up to ATH_KEYMAX entries (could dynamically allocate state).
519 #define ATH_KEYMAX 128 /* max key cache size we handle */
521 #define ATH_TXPOWER_MAX 100 /* .5 dBm units */
522 #define ATH_RSSI_DUMMY_MARKER 0x127
523 #define ATH_RATE_DUMMY_MARKER 0
525 #define SC_OP_INVALID BIT(0)
526 #define SC_OP_BEACONS BIT(1)
527 #define SC_OP_RXAGGR BIT(2)
528 #define SC_OP_TXAGGR BIT(3)
529 #define SC_OP_FULL_RESET BIT(4)
530 #define SC_OP_PREAMBLE_SHORT BIT(5)
531 #define SC_OP_PROTECT_ENABLE BIT(6)
532 #define SC_OP_RXFLUSH BIT(7)
533 #define SC_OP_LED_ASSOCIATED BIT(8)
534 #define SC_OP_WAIT_FOR_BEACON BIT(12)
535 #define SC_OP_LED_ON BIT(13)
536 #define SC_OP_SCANNING BIT(14)
537 #define SC_OP_TSF_RESET BIT(15)
538 #define SC_OP_WAIT_FOR_CAB BIT(16)
539 #define SC_OP_WAIT_FOR_PSPOLL_DATA BIT(17)
540 #define SC_OP_WAIT_FOR_TX_ACK BIT(18)
541 #define SC_OP_BEACON_SYNC BIT(19)
542 #define SC_OP_BT_PRIORITY_DETECTED BIT(21)
545 void (*read_cachesize)(struct ath_softc *sc, int *csz);
546 void (*cleanup)(struct ath_softc *sc);
547 bool (*eeprom_read)(struct ath_hw *ah, u32 off, u16 *data);
548 void (*bt_coex_prep)(struct ath_softc *sc);
554 struct ieee80211_hw *hw;
557 spinlock_t wiphy_lock; /* spinlock to protect ath_wiphy data */
558 struct ath_wiphy *pri_wiphy;
559 struct ath_wiphy **sec_wiphy; /* secondary wiphys (virtual radios); may
560 * have NULL entries */
561 int num_sec_wiphy; /* number of sec_wiphy pointers in the array */
564 struct ath_wiphy *next_wiphy;
565 struct work_struct chan_work;
566 int wiphy_select_failures;
567 unsigned long wiphy_select_first_fail;
568 struct delayed_work wiphy_work;
569 unsigned long wiphy_scheduler_int;
570 int wiphy_scheduler_index;
572 struct tasklet_struct intr_tq;
573 struct tasklet_struct bcon_tasklet;
574 struct ath_hw *sc_ah;
577 spinlock_t sc_resetlock;
578 spinlock_t sc_serial_rw;
580 spinlock_t sc_pm_lock;
584 u32 sc_flags; /* SC_OP_* */
591 DECLARE_BITMAP(keymap, ATH_KEYMAX);
594 unsigned long ps_usecount;
595 enum ath9k_int imask;
596 enum ath9k_ht_extprotspacing ht_extprotspacing;
597 enum ath9k_ht_macmode tx_chan_width;
599 struct ath_config config;
602 struct ath_beacon beacon;
603 struct ieee80211_rate rates[IEEE80211_NUM_BANDS][ATH_RATE_MAX];
604 const struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX];
605 const struct ath_rate_table *cur_rate_table;
606 struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
608 struct ath_led radio_led;
609 struct ath_led assoc_led;
610 struct ath_led tx_led;
611 struct ath_led rx_led;
612 struct delayed_work ath_led_blink_work;
614 int led_off_duration;
621 #ifdef CONFIG_ATH9K_DEBUG
622 struct ath9k_debug debug;
624 struct ath_bus_ops *bus_ops;
625 struct ath_beacon_config cur_beacon_conf;
626 struct delayed_work tx_complete_work;
627 struct ath_btcoex btcoex;
631 struct ath_softc *sc; /* shared for all virtual wiphys */
632 struct ieee80211_hw *hw;
633 enum ath_wiphy_state {
644 int ath_reset(struct ath_softc *sc, bool retry_tx);
645 int ath_get_hal_qnum(u16 queue, struct ath_softc *sc);
646 int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc);
647 int ath_cabq_update(struct ath_softc *);
649 static inline void ath_read_cachesize(struct ath_softc *sc, int *csz)
651 sc->bus_ops->read_cachesize(sc, csz);
654 static inline void ath_bus_cleanup(struct ath_softc *sc)
656 sc->bus_ops->cleanup(sc);
659 extern struct ieee80211_ops ath9k_ops;
661 irqreturn_t ath_isr(int irq, void *dev);
662 void ath_cleanup(struct ath_softc *sc);
663 int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid);
664 void ath_detach(struct ath_softc *sc);
665 const char *ath_mac_bb_name(u32 mac_bb_version);
666 const char *ath_rf_name(u16 rf_version);
667 void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw);
668 void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw,
669 struct ath9k_channel *ichan);
670 void ath_update_chainmask(struct ath_softc *sc, int is_ht);
671 int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
672 struct ath9k_channel *hchan);
673 void ath_radio_enable(struct ath_softc *sc);
674 void ath_radio_disable(struct ath_softc *sc);
677 int ath_pci_init(void);
678 void ath_pci_exit(void);
680 static inline int ath_pci_init(void) { return 0; };
681 static inline void ath_pci_exit(void) {};
684 #ifdef CONFIG_ATHEROS_AR71XX
685 int ath_ahb_init(void);
686 void ath_ahb_exit(void);
688 static inline int ath_ahb_init(void) { return 0; };
689 static inline void ath_ahb_exit(void) {};
692 void ath9k_ps_wakeup(struct ath_softc *sc);
693 void ath9k_ps_restore(struct ath_softc *sc);
695 void ath9k_set_bssid_mask(struct ieee80211_hw *hw);
696 int ath9k_wiphy_add(struct ath_softc *sc);
697 int ath9k_wiphy_del(struct ath_wiphy *aphy);
698 void ath9k_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb);
699 int ath9k_wiphy_pause(struct ath_wiphy *aphy);
700 int ath9k_wiphy_unpause(struct ath_wiphy *aphy);
701 int ath9k_wiphy_select(struct ath_wiphy *aphy);
702 void ath9k_wiphy_set_scheduler(struct ath_softc *sc, unsigned int msec_int);
703 void ath9k_wiphy_chan_work(struct work_struct *work);
704 bool ath9k_wiphy_started(struct ath_softc *sc);
705 void ath9k_wiphy_pause_all_forced(struct ath_softc *sc,
706 struct ath_wiphy *selected);
707 bool ath9k_wiphy_scanning(struct ath_softc *sc);
708 void ath9k_wiphy_work(struct work_struct *work);
709 bool ath9k_all_wiphys_idle(struct ath_softc *sc);
711 int ath_tx_get_qnum(struct ath_softc *sc, int qtype, int haltype);