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))
63 static const u8 ath_bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
71 /*************************/
72 /* Descriptor Management */
73 /*************************/
75 #define ATH_TXBUF_RESET(_bf) do { \
76 (_bf)->bf_stale = false; \
77 (_bf)->bf_lastbf = NULL; \
78 (_bf)->bf_next = NULL; \
79 memset(&((_bf)->bf_state), 0, \
80 sizeof(struct ath_buf_state)); \
83 #define ATH_RXBUF_RESET(_bf) do { \
84 (_bf)->bf_stale = false; \
88 * enum buffer_type - Buffer type flags
90 * @BUF_HT: Send this buffer using HT capabilities
91 * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX)
92 * @BUF_AGGR: Indicates whether the buffer can be aggregated
93 * (used in aggregation scheduling)
94 * @BUF_RETRY: Indicates whether the buffer is retried
95 * @BUF_XRETRY: To denote excessive retries of the buffer
105 struct ath_buf_state {
114 enum ath9k_key_type bfs_keytype;
117 #define bf_nframes bf_state.bfs_nframes
118 #define bf_al bf_state.bfs_al
119 #define bf_frmlen bf_state.bfs_frmlen
120 #define bf_retries bf_state.bfs_retries
121 #define bf_seqno bf_state.bfs_seqno
122 #define bf_tidno bf_state.bfs_tidno
123 #define bf_keyix bf_state.bfs_keyix
124 #define bf_keytype bf_state.bfs_keytype
125 #define bf_isht(bf) (bf->bf_state.bf_type & BUF_HT)
126 #define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU)
127 #define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR)
128 #define bf_isretried(bf) (bf->bf_state.bf_type & BUF_RETRY)
129 #define bf_isxretried(bf) (bf->bf_state.bf_type & BUF_XRETRY)
132 struct list_head list;
133 struct ath_buf *bf_lastbf; /* last buf of this unit (a frame or
135 struct ath_buf *bf_next; /* next subframe in the aggregate */
136 struct sk_buff *bf_mpdu; /* enclosing frame structure */
137 struct ath_desc *bf_desc; /* virtual addr of desc */
138 dma_addr_t bf_daddr; /* physical addr of desc */
139 dma_addr_t bf_buf_addr; /* physical addr of data buffer */
142 struct ath_buf_state bf_state;
143 dma_addr_t bf_dmacontext;
147 struct ath_desc *dd_desc;
148 dma_addr_t dd_desc_paddr;
150 struct ath_buf *dd_bufptr;
153 int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
154 struct list_head *head, const char *name,
155 int nbuf, int ndesc);
156 void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd,
157 struct list_head *head);
163 #define ATH_MAX_ANTENNA 3
164 #define ATH_RXBUF 512
165 #define WME_NUM_TID 16
166 #define ATH_TXBUF 512
167 #define ATH_TXMAXTRY 13
168 #define ATH_MGT_TXMAXTRY 4
169 #define WME_BA_BMP_SIZE 64
170 #define WME_MAX_BA WME_BA_BMP_SIZE
171 #define ATH_TID_MAX_BUFS (2 * WME_MAX_BA)
173 #define TID_TO_WME_AC(_tid) \
174 ((((_tid) == 0) || ((_tid) == 3)) ? WME_AC_BE : \
175 (((_tid) == 1) || ((_tid) == 2)) ? WME_AC_BK : \
176 (((_tid) == 4) || ((_tid) == 5)) ? WME_AC_VI : \
185 #define ADDBA_EXCHANGE_ATTEMPTS 10
186 #define ATH_AGGR_DELIM_SZ 4
187 #define ATH_AGGR_MINPLEN 256 /* in bytes, minimum packet length */
188 /* number of delimiters for encryption padding */
189 #define ATH_AGGR_ENCRYPTDELIM 10
190 /* minimum h/w qdepth to be sustained to maximize aggregation */
191 #define ATH_AGGR_MIN_QDEPTH 2
192 #define ATH_AMPDU_SUBFRAME_DEFAULT 32
193 #define ATH_AMPDU_LIMIT_MAX (64 * 1024 - 1)
195 #define IEEE80211_SEQ_SEQ_SHIFT 4
196 #define IEEE80211_SEQ_MAX 4096
197 #define IEEE80211_WEP_IVLEN 3
198 #define IEEE80211_WEP_KIDLEN 1
199 #define IEEE80211_WEP_CRCLEN 4
200 #define IEEE80211_MAX_MPDU_LEN (3840 + FCS_LEN + \
201 (IEEE80211_WEP_IVLEN + \
202 IEEE80211_WEP_KIDLEN + \
203 IEEE80211_WEP_CRCLEN))
205 /* return whether a bit at index _n in bitmap _bm is set
206 * _sz is the size of the bitmap */
207 #define ATH_BA_ISSET(_bm, _n) (((_n) < (WME_BA_BMP_SIZE)) && \
208 ((_bm)[(_n) >> 5] & (1 << ((_n) & 31))))
210 /* return block-ack bitmap index given sequence and starting sequence */
211 #define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1))
213 /* returns delimiter padding required given the packet length */
214 #define ATH_AGGR_GET_NDELIM(_len) \
215 (((((_len) + ATH_AGGR_DELIM_SZ) < ATH_AGGR_MINPLEN) ? \
216 (ATH_AGGR_MINPLEN - (_len) - ATH_AGGR_DELIM_SZ) : 0) >> 2)
218 #define BAW_WITHIN(_start, _bawsz, _seqno) \
219 ((((_seqno) - (_start)) & 4095) < (_bawsz))
221 #define ATH_DS_BA_SEQ(_ds) ((_ds)->ds_us.tx.ts_seqnum)
222 #define ATH_DS_BA_BITMAP(_ds) (&(_ds)->ds_us.tx.ba_low)
223 #define ATH_DS_TX_BA(_ds) ((_ds)->ds_us.tx.ts_flags & ATH9K_TX_BA)
224 #define ATH_AN_2_TID(_an, _tidno) (&(_an)->tid[(_tidno)])
226 #define ATH_TX_COMPLETE_POLL_INT 1000
228 enum ATH_AGGR_STATUS {
237 struct list_head axq_q;
242 bool axq_tx_inprogress;
243 struct ath_buf *axq_linkbuf;
245 /* first desc of the last descriptor that contains CTS */
246 struct ath_desc *axq_lastdsWithCTS;
248 /* final desc of the gating desc that determines whether
249 lastdsWithCTS has been DMA'ed or not */
250 struct ath_desc *axq_gatingds;
252 struct list_head axq_acq;
255 #define AGGR_CLEANUP BIT(1)
256 #define AGGR_ADDBA_COMPLETE BIT(2)
257 #define AGGR_ADDBA_PROGRESS BIT(3)
260 struct list_head list;
261 struct list_head buf_q;
263 struct ath_atx_ac *ac;
264 struct ath_buf *tx_buf[ATH_TID_MAX_BUFS];
269 int baw_head; /* first un-acked tx buffer */
270 int baw_tail; /* next unused tx buffer slot */
279 struct list_head list;
280 struct list_head tid_q;
283 struct ath_tx_control {
286 enum ath9k_internal_frame_type frame_type;
289 #define ATH_TX_ERROR 0x01
290 #define ATH_TX_XRETRY 0x02
291 #define ATH_TX_BAR 0x04
293 #define ATH_RSSI_LPF_LEN 10
294 #define RSSI_LPF_THRESHOLD -20
295 #define ATH9K_RSSI_BAD 0x80
296 #define ATH_RSSI_EP_MULTIPLIER (1<<7)
297 #define ATH_EP_MUL(x, mul) ((x) * (mul))
298 #define ATH_RSSI_IN(x) (ATH_EP_MUL((x), ATH_RSSI_EP_MULTIPLIER))
299 #define ATH_LPF_RSSI(x, y, len) \
300 ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))
301 #define ATH_RSSI_LPF(x, y) do { \
302 if ((y) >= RSSI_LPF_THRESHOLD) \
303 x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN); \
305 #define ATH_EP_RND(x, mul) \
306 ((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
309 struct ath_softc *an_sc;
310 struct ath_atx_tid tid[WME_NUM_TID];
311 struct ath_atx_ac ac[WME_NUM_AC];
320 int hwq_map[ATH9K_WME_AC_VO+1];
321 spinlock_t txbuflock;
322 struct list_head txbuf;
323 struct ath_txq txq[ATH9K_NUM_TX_QUEUES];
324 struct ath_descdma txdma;
332 unsigned int rxfilter;
333 spinlock_t rxflushlock;
334 spinlock_t rxbuflock;
335 struct list_head rxbuf;
336 struct ath_descdma rxdma;
339 int ath_startrecv(struct ath_softc *sc);
340 bool ath_stoprecv(struct ath_softc *sc);
341 void ath_flushrecv(struct ath_softc *sc);
342 u32 ath_calcrxfilter(struct ath_softc *sc);
343 int ath_rx_init(struct ath_softc *sc, int nbufs);
344 void ath_rx_cleanup(struct ath_softc *sc);
345 int ath_rx_tasklet(struct ath_softc *sc, int flush);
346 struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype);
347 void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq);
348 int ath_tx_setup(struct ath_softc *sc, int haltype);
349 void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx);
350 void ath_draintxq(struct ath_softc *sc,
351 struct ath_txq *txq, bool retry_tx);
352 void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an);
353 void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an);
354 void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq);
355 int ath_tx_init(struct ath_softc *sc, int nbufs);
356 void ath_tx_cleanup(struct ath_softc *sc);
357 struct ath_txq *ath_test_get_txq(struct ath_softc *sc, struct sk_buff *skb);
358 int ath_txq_update(struct ath_softc *sc, int qnum,
359 struct ath9k_tx_queue_info *q);
360 int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
361 struct ath_tx_control *txctl);
362 void ath_tx_tasklet(struct ath_softc *sc);
363 void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb);
364 bool ath_tx_aggr_check(struct ath_softc *sc, struct ath_node *an, u8 tidno);
365 void ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
367 void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
368 void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
376 __le64 tsf_adjust; /* TSF adjustment for staggered beacons */
377 enum nl80211_iftype av_opmode;
378 struct ath_buf *av_bcbuf;
379 struct ath_tx_control av_btxctl;
380 u8 bssid[ETH_ALEN]; /* current BSSID from config_interface */
383 /*******************/
384 /* Beacon Handling */
385 /*******************/
388 * Regardless of the number of beacons we stagger, (i.e. regardless of the
389 * number of BSSIDs) if a given beacon does not go out even after waiting this
390 * number of beacon intervals, the game's up.
392 #define BSTUCK_THRESH (9 * ATH_BCBUF)
394 #define ATH_DEFAULT_BINTVAL 100 /* TU */
395 #define ATH_DEFAULT_BMISS_LIMIT 10
396 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024)
398 struct ath_beacon_config {
408 OK, /* no change needed */
409 UPDATE, /* update pending */
410 COMMIT /* beacon sent, commit change */
411 } updateslot; /* slot time update fsm */
417 struct ieee80211_vif *bslot[ATH_BCBUF];
418 struct ath_wiphy *bslot_aphy[ATH_BCBUF];
421 struct ath9k_tx_queue_info beacon_qi;
422 struct ath_descdma bdma;
423 struct ath_txq *cabq;
424 struct list_head bbuf;
427 void ath_beacon_tasklet(unsigned long data);
428 void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif);
429 int ath_beaconq_setup(struct ath_hw *ah);
430 int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif);
431 void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp);
437 #define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */
438 #define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */
439 #define ATH_ANI_POLLINTERVAL 100 /* 100 ms */
440 #define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */
441 #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */
446 unsigned int longcal_timer;
447 unsigned int shortcal_timer;
448 unsigned int resetcal_timer;
449 unsigned int checkani_timer;
450 struct timer_list timer;
454 bool hw_timer_enabled;
455 spinlock_t btcoex_lock;
456 struct timer_list period_timer; /* Timer for BT period */
458 unsigned long bt_priority_time;
459 u32 btcoex_no_stomp; /* in usec */
460 u32 btcoex_period; /* in usec */
461 struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */
464 /********************/
466 /********************/
468 #define ATH_LED_PIN_DEF 1
469 #define ATH_LED_PIN_9287 8
470 #define ATH_LED_ON_DURATION_IDLE 350 /* in msecs */
471 #define ATH_LED_OFF_DURATION_IDLE 250 /* in msecs */
481 struct ath_softc *sc;
482 struct led_classdev led_cdev;
483 enum ath_led_type led_type;
488 /********************/
489 /* Main driver core */
490 /********************/
493 * Default cache line size, in bytes.
494 * Used when PCI device not fully initialized by bootrom/BIOS
496 #define DEFAULT_CACHELINE 32
497 #define ATH_DEFAULT_NOISE_FLOOR -95
498 #define ATH_REGCLASSIDS_MAX 10
499 #define ATH_CABQ_READY_TIME 80 /* % of beacon interval */
500 #define ATH_MAX_SW_RETRIES 10
501 #define ATH_CHAN_MAX 255
502 #define IEEE80211_WEP_NKID 4 /* number of key ids */
505 * The key cache is used for h/w cipher state and also for
506 * tracking station state such as the current tx antenna.
507 * We also setup a mapping table between key cache slot indices
508 * and station state to short-circuit node lookups on rx.
509 * Different parts have different size key caches. We handle
510 * up to ATH_KEYMAX entries (could dynamically allocate state).
512 #define ATH_KEYMAX 128 /* max key cache size we handle */
514 #define ATH_TXPOWER_MAX 100 /* .5 dBm units */
515 #define ATH_RSSI_DUMMY_MARKER 0x127
516 #define ATH_RATE_DUMMY_MARKER 0
518 #define SC_OP_INVALID BIT(0)
519 #define SC_OP_BEACONS BIT(1)
520 #define SC_OP_RXAGGR BIT(2)
521 #define SC_OP_TXAGGR BIT(3)
522 #define SC_OP_FULL_RESET BIT(4)
523 #define SC_OP_PREAMBLE_SHORT BIT(5)
524 #define SC_OP_PROTECT_ENABLE BIT(6)
525 #define SC_OP_RXFLUSH BIT(7)
526 #define SC_OP_LED_ASSOCIATED BIT(8)
527 #define SC_OP_WAIT_FOR_BEACON BIT(12)
528 #define SC_OP_LED_ON BIT(13)
529 #define SC_OP_SCANNING BIT(14)
530 #define SC_OP_TSF_RESET BIT(15)
531 #define SC_OP_WAIT_FOR_CAB BIT(16)
532 #define SC_OP_WAIT_FOR_PSPOLL_DATA BIT(17)
533 #define SC_OP_WAIT_FOR_TX_ACK BIT(18)
534 #define SC_OP_BEACON_SYNC BIT(19)
535 #define SC_OP_BT_PRIORITY_DETECTED BIT(21)
538 void (*read_cachesize)(struct ath_softc *sc, int *csz);
539 void (*cleanup)(struct ath_softc *sc);
540 bool (*eeprom_read)(struct ath_hw *ah, u32 off, u16 *data);
546 struct ieee80211_hw *hw;
549 struct ath_common common;
551 spinlock_t wiphy_lock; /* spinlock to protect ath_wiphy data */
552 struct ath_wiphy *pri_wiphy;
553 struct ath_wiphy **sec_wiphy; /* secondary wiphys (virtual radios); may
554 * have NULL entries */
555 int num_sec_wiphy; /* number of sec_wiphy pointers in the array */
558 struct ath_wiphy *next_wiphy;
559 struct work_struct chan_work;
560 int wiphy_select_failures;
561 unsigned long wiphy_select_first_fail;
562 struct delayed_work wiphy_work;
563 unsigned long wiphy_scheduler_int;
564 int wiphy_scheduler_index;
566 struct tasklet_struct intr_tq;
567 struct tasklet_struct bcon_tasklet;
568 struct ath_hw *sc_ah;
571 spinlock_t sc_resetlock;
572 spinlock_t sc_serial_rw;
574 spinlock_t sc_pm_lock;
577 u8 curbssid[ETH_ALEN];
578 u8 bssidmask[ETH_ALEN];
580 u32 sc_flags; /* SC_OP_* */
588 DECLARE_BITMAP(keymap, ATH_KEYMAX);
591 unsigned long ps_usecount;
592 enum ath9k_int imask;
593 enum ath9k_ht_extprotspacing ht_extprotspacing;
594 enum ath9k_ht_macmode tx_chan_width;
596 struct ath_config config;
599 struct ath_beacon beacon;
600 struct ieee80211_rate rates[IEEE80211_NUM_BANDS][ATH_RATE_MAX];
601 const struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX];
602 const struct ath_rate_table *cur_rate_table;
603 struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
605 struct ath_led radio_led;
606 struct ath_led assoc_led;
607 struct ath_led tx_led;
608 struct ath_led rx_led;
609 struct delayed_work ath_led_blink_work;
611 int led_off_duration;
618 #ifdef CONFIG_ATH9K_DEBUG
619 struct ath9k_debug debug;
621 struct ath_bus_ops *bus_ops;
622 struct ath_beacon_config cur_beacon_conf;
623 struct delayed_work tx_complete_work;
624 struct ath_btcoex btcoex;
628 struct ath_softc *sc; /* shared for all virtual wiphys */
629 struct ieee80211_hw *hw;
630 enum ath_wiphy_state {
641 int ath_reset(struct ath_softc *sc, bool retry_tx);
642 int ath_get_hal_qnum(u16 queue, struct ath_softc *sc);
643 int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc);
644 int ath_cabq_update(struct ath_softc *);
646 static inline struct ath_common *ath9k_hw_common(struct ath_hw *ah)
648 return &ah->ah_sc->common;
651 static inline struct ath_regulatory *ath9k_hw_regulatory(struct ath_hw *ah)
653 return &(ath9k_hw_common(ah)->regulatory);
656 static inline void ath_read_cachesize(struct ath_softc *sc, int *csz)
658 sc->bus_ops->read_cachesize(sc, csz);
661 static inline void ath_bus_cleanup(struct ath_softc *sc)
663 sc->bus_ops->cleanup(sc);
666 extern struct ieee80211_ops ath9k_ops;
668 irqreturn_t ath_isr(int irq, void *dev);
669 void ath_cleanup(struct ath_softc *sc);
670 int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid);
671 void ath_detach(struct ath_softc *sc);
672 const char *ath_mac_bb_name(u32 mac_bb_version);
673 const char *ath_rf_name(u16 rf_version);
674 void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw);
675 void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw,
676 struct ath9k_channel *ichan);
677 void ath_update_chainmask(struct ath_softc *sc, int is_ht);
678 int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
679 struct ath9k_channel *hchan);
680 void ath_radio_enable(struct ath_softc *sc);
681 void ath_radio_disable(struct ath_softc *sc);
684 int ath_pci_init(void);
685 void ath_pci_exit(void);
687 static inline int ath_pci_init(void) { return 0; };
688 static inline void ath_pci_exit(void) {};
691 #ifdef CONFIG_ATHEROS_AR71XX
692 int ath_ahb_init(void);
693 void ath_ahb_exit(void);
695 static inline int ath_ahb_init(void) { return 0; };
696 static inline void ath_ahb_exit(void) {};
699 void ath9k_ps_wakeup(struct ath_softc *sc);
700 void ath9k_ps_restore(struct ath_softc *sc);
702 void ath9k_set_bssid_mask(struct ieee80211_hw *hw);
703 int ath9k_wiphy_add(struct ath_softc *sc);
704 int ath9k_wiphy_del(struct ath_wiphy *aphy);
705 void ath9k_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb);
706 int ath9k_wiphy_pause(struct ath_wiphy *aphy);
707 int ath9k_wiphy_unpause(struct ath_wiphy *aphy);
708 int ath9k_wiphy_select(struct ath_wiphy *aphy);
709 void ath9k_wiphy_set_scheduler(struct ath_softc *sc, unsigned int msec_int);
710 void ath9k_wiphy_chan_work(struct work_struct *work);
711 bool ath9k_wiphy_started(struct ath_softc *sc);
712 void ath9k_wiphy_pause_all_forced(struct ath_softc *sc,
713 struct ath_wiphy *selected);
714 bool ath9k_wiphy_scanning(struct ath_softc *sc);
715 void ath9k_wiphy_work(struct work_struct *work);
716 bool ath9k_all_wiphys_idle(struct ath_softc *sc);
718 void ath9k_iowrite32(struct ath_hw *ah, u32 reg_offset, u32 val);
719 unsigned int ath9k_ioread32(struct ath_hw *ah, u32 reg_offset);
721 int ath_tx_get_qnum(struct ath_softc *sc, int qtype, int haltype);