drivers/net/wireless/ath/ath9k/ath9k.h

   1 /*
   2  * Copyright (c) 2008-2009 Atheros Communications Inc.
   3  *
   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.
   7  *
   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.
  15  */
  16
  17 #ifndef ATH9K_H
  18 #define ATH9K_H
  19
  20 #include <linux/etherdevice.h>
  21 #include <linux/device.h>
  22 #include <linux/leds.h>
  23
  24 #include "rc.h"
  25 #include "debug.h"
  26 #include "common.h"
  27
  28 /*
  29  * Header for the ath9k.ko driver core *only* -- hw code nor any other driver
  30  * should rely on this file or its contents.
  31  */
  32
  33 struct ath_node;
  34
  35 /* Macro to expand scalars to 64-bit objects */
  36
  37 #define ito64(x) (sizeof(x) == 8) ?                     \
  38         (((unsigned long long int)(x)) & (0xff)) :      \
  39         (sizeof(x) == 16) ?                             \
  40         (((unsigned long long int)(x)) & 0xffff) :      \
  41         ((sizeof(x) == 32) ?                            \
  42          (((unsigned long long int)(x)) & 0xffffffff) : \
  43          (unsigned long long int)(x))
  44
  45 /* increment with wrap-around */
  46 #define INCR(_l, _sz)   do {                    \
  47                 (_l)++;                         \
  48                 (_l) &= ((_sz) - 1);            \
  49         } while (0)
  50
  51 /* decrement with wrap-around */
  52 #define DECR(_l,  _sz)  do {                    \
  53                 (_l)--;                         \
  54                 (_l) &= ((_sz) - 1);            \
  55         } while (0)
  56
  57 #define A_MAX(a, b) ((a) > (b) ? (a) : (b))
  58
  59 #define TSF_TO_TU(_h,_l) \
  60         ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
  61
  62 #define ATH_TXQ_SETUP(sc, i)        ((sc)->tx.txqsetup & (1<<i))
  63
  64 struct ath_config {
  65         u32 ath_aggr_prot;
  66         u16 txpowlimit;
  67         u8 cabqReadytime;
  68 };
  69
  70 /*************************/
  71 /* Descriptor Management */
  72 /*************************/
  73
  74 #define ATH_TXBUF_RESET(_bf) do {                               \
  75                 (_bf)->bf_stale = false;                        \
  76                 (_bf)->bf_lastbf = NULL;                        \
  77                 (_bf)->bf_next = NULL;                          \
  78                 memset(&((_bf)->bf_state), 0,                   \
  79                        sizeof(struct ath_buf_state));           \
  80         } while (0)
  81
  82 #define ATH_RXBUF_RESET(_bf) do {               \
  83                 (_bf)->bf_stale = false;        \
  84         } while (0)
  85
  86 /**
  87  * enum buffer_type - Buffer type flags
  88  *
  89  * @BUF_HT: Send this buffer using HT capabilities
  90  * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX)
  91  * @BUF_AGGR: Indicates whether the buffer can be aggregated
  92  *      (used in aggregation scheduling)
  93  * @BUF_RETRY: Indicates whether the buffer is retried
  94  * @BUF_XRETRY: To denote excessive retries of the buffer
  95  */
  96 enum buffer_type {
  97         BUF_HT                  = BIT(1),
  98         BUF_AMPDU               = BIT(2),
  99         BUF_AGGR                = BIT(3),
 100         BUF_RETRY               = BIT(4),
 101         BUF_XRETRY              = BIT(5),
 102 };
 103
 104 #define bf_nframes              bf_state.bfs_nframes
 105 #define bf_al                   bf_state.bfs_al
 106 #define bf_frmlen               bf_state.bfs_frmlen
 107 #define bf_retries              bf_state.bfs_retries
 108 #define bf_seqno                bf_state.bfs_seqno
 109 #define bf_tidno                bf_state.bfs_tidno
 110 #define bf_keyix                bf_state.bfs_keyix
 111 #define bf_keytype              bf_state.bfs_keytype
 112 #define bf_isht(bf)             (bf->bf_state.bf_type & BUF_HT)
 113 #define bf_isampdu(bf)          (bf->bf_state.bf_type & BUF_AMPDU)
 114 #define bf_isaggr(bf)           (bf->bf_state.bf_type & BUF_AGGR)
 115 #define bf_isretried(bf)        (bf->bf_state.bf_type & BUF_RETRY)
 116 #define bf_isxretried(bf)       (bf->bf_state.bf_type & BUF_XRETRY)
 117
 118 struct ath_descdma {
 119         struct ath_desc *dd_desc;
 120         dma_addr_t dd_desc_paddr;
 121         u32 dd_desc_len;
 122         struct ath_buf *dd_bufptr;
 123 };
 124
 125 int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
 126                       struct list_head *head, const char *name,
 127                       int nbuf, int ndesc);
 128 void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd,
 129                          struct list_head *head);
 130
 131 /***********/
 132 /* RX / TX */
 133 /***********/
 134
 135 #define ATH_MAX_ANTENNA         3
 136 #define ATH_RXBUF               512
 137 #define ATH_TXBUF               512
 138 #define ATH_TXMAXTRY            13
 139 #define ATH_MGT_TXMAXTRY        4
 140
 141 #define TID_TO_WME_AC(_tid)                             \
 142         ((((_tid) == 0) || ((_tid) == 3)) ? WME_AC_BE : \
 143          (((_tid) == 1) || ((_tid) == 2)) ? WME_AC_BK : \
 144          (((_tid) == 4) || ((_tid) == 5)) ? WME_AC_VI : \
 145          WME_AC_VO)
 146
 147 #define ADDBA_EXCHANGE_ATTEMPTS    10
 148 #define ATH_AGGR_DELIM_SZ          4
 149 #define ATH_AGGR_MINPLEN           256 /* in bytes, minimum packet length */
 150 /* number of delimiters for encryption padding */
 151 #define ATH_AGGR_ENCRYPTDELIM      10
 152 /* minimum h/w qdepth to be sustained to maximize aggregation */
 153 #define ATH_AGGR_MIN_QDEPTH        2
 154 #define ATH_AMPDU_SUBFRAME_DEFAULT 32
 155
 156 #define IEEE80211_SEQ_SEQ_SHIFT    4
 157 #define IEEE80211_SEQ_MAX          4096
 158 #define IEEE80211_WEP_IVLEN        3
 159 #define IEEE80211_WEP_KIDLEN       1
 160 #define IEEE80211_WEP_CRCLEN       4
 161 #define IEEE80211_MAX_MPDU_LEN     (3840 + FCS_LEN +            \
 162                                     (IEEE80211_WEP_IVLEN +      \
 163                                      IEEE80211_WEP_KIDLEN +     \
 164                                      IEEE80211_WEP_CRCLEN))
 165
 166 /* return whether a bit at index _n in bitmap _bm is set
 167  * _sz is the size of the bitmap  */
 168 #define ATH_BA_ISSET(_bm, _n)  (((_n) < (WME_BA_BMP_SIZE)) &&           \
 169                                 ((_bm)[(_n) >> 5] & (1 << ((_n) & 31))))
 170
 171 /* return block-ack bitmap index given sequence and starting sequence */
 172 #define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1))
 173
 174 /* returns delimiter padding required given the packet length */
 175 #define ATH_AGGR_GET_NDELIM(_len)                                       \
 176         (((((_len) + ATH_AGGR_DELIM_SZ) < ATH_AGGR_MINPLEN) ?           \
 177           (ATH_AGGR_MINPLEN - (_len) - ATH_AGGR_DELIM_SZ) : 0) >> 2)
 178
 179 #define BAW_WITHIN(_start, _bawsz, _seqno) \
 180         ((((_seqno) - (_start)) & 4095) < (_bawsz))
 181
 182 #define ATH_DS_BA_SEQ(_ds)         ((_ds)->ds_us.tx.ts_seqnum)
 183 #define ATH_DS_BA_BITMAP(_ds)      (&(_ds)->ds_us.tx.ba_low)
 184 #define ATH_DS_TX_BA(_ds)          ((_ds)->ds_us.tx.ts_flags & ATH9K_TX_BA)
 185 #define ATH_AN_2_TID(_an, _tidno)  (&(_an)->tid[(_tidno)])
 186
 187 #define ATH_TX_COMPLETE_POLL_INT        1000
 188
 189 enum ATH_AGGR_STATUS {
 190         ATH_AGGR_DONE,
 191         ATH_AGGR_BAW_CLOSED,
 192         ATH_AGGR_LIMITED,
 193 };
 194
 195 struct ath_txq {
 196         u32 axq_qnum;
 197         u32 *axq_link;
 198         struct list_head axq_q;
 199         spinlock_t axq_lock;
 200         u32 axq_depth;
 201         bool stopped;
 202         bool axq_tx_inprogress;
 203         struct list_head axq_acq;
 204 };
 205
 206 #define AGGR_CLEANUP         BIT(1)
 207 #define AGGR_ADDBA_COMPLETE  BIT(2)
 208 #define AGGR_ADDBA_PROGRESS  BIT(3)
 209
 210 struct ath_tx_control {
 211         struct ath_txq *txq;
 212         int if_id;
 213         enum ath9k_internal_frame_type frame_type;
 214 };
 215
 216 #define ATH_TX_ERROR        0x01
 217 #define ATH_TX_XRETRY       0x02
 218 #define ATH_TX_BAR          0x04
 219
 220 struct ath_tx {
 221         u16 seq_no;
 222         u32 txqsetup;
 223         int hwq_map[ATH9K_WME_AC_VO+1];
 224         spinlock_t txbuflock;
 225         struct list_head txbuf;
 226         struct ath_txq txq[ATH9K_NUM_TX_QUEUES];
 227         struct ath_descdma txdma;
 228 };
 229
 230 struct ath_rx {
 231         u8 defant;
 232         u8 rxotherant;
 233         u32 *rxlink;
 234         unsigned int rxfilter;
 235         spinlock_t rxflushlock;
 236         spinlock_t rxbuflock;
 237         struct list_head rxbuf;
 238         struct ath_descdma rxdma;
 239 };
 240
 241 int ath_startrecv(struct ath_softc *sc);
 242 bool ath_stoprecv(struct ath_softc *sc);
 243 void ath_flushrecv(struct ath_softc *sc);
 244 u32 ath_calcrxfilter(struct ath_softc *sc);
 245 int ath_rx_init(struct ath_softc *sc, int nbufs);
 246 void ath_rx_cleanup(struct ath_softc *sc);
 247 int ath_rx_tasklet(struct ath_softc *sc, int flush);
 248 struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype);
 249 void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq);
 250 int ath_tx_setup(struct ath_softc *sc, int haltype);
 251 void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx);
 252 void ath_draintxq(struct ath_softc *sc,
 253                      struct ath_txq *txq, bool retry_tx);
 254 void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an);
 255 void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an);
 256 void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq);
 257 int ath_tx_init(struct ath_softc *sc, int nbufs);
 258 void ath_tx_cleanup(struct ath_softc *sc);
 259 struct ath_txq *ath_test_get_txq(struct ath_softc *sc, struct sk_buff *skb);
 260 int ath_txq_update(struct ath_softc *sc, int qnum,
 261                    struct ath9k_tx_queue_info *q);
 262 int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
 263                  struct ath_tx_control *txctl);
 264 void ath_tx_tasklet(struct ath_softc *sc);
 265 void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb);
 266 bool ath_tx_aggr_check(struct ath_softc *sc, struct ath_node *an, u8 tidno);
 267 void ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
 268                        u16 tid, u16 *ssn);
 269 void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
 270 void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
 271
 272 /********/
 273 /* VIFs */
 274 /********/
 275
 276 struct ath_vif {
 277         int av_bslot;
 278         __le64 tsf_adjust; /* TSF adjustment for staggered beacons */
 279         enum nl80211_iftype av_opmode;
 280         struct ath_buf *av_bcbuf;
 281         struct ath_tx_control av_btxctl;
 282         u8 bssid[ETH_ALEN]; /* current BSSID from config_interface */
 283 };
 284
 285 /*******************/
 286 /* Beacon Handling */
 287 /*******************/
 288
 289 /*
 290  * Regardless of the number of beacons we stagger, (i.e. regardless of the
 291  * number of BSSIDs) if a given beacon does not go out even after waiting this
 292  * number of beacon intervals, the game's up.
 293  */
 294 #define BSTUCK_THRESH                   (9 * ATH_BCBUF)
 295 #define ATH_BCBUF                       4
 296 #define ATH_DEFAULT_BINTVAL             100 /* TU */
 297 #define ATH_DEFAULT_BMISS_LIMIT         10
 298 #define IEEE80211_MS_TO_TU(x)           (((x) * 1000) / 1024)
 299
 300 struct ath_beacon_config {
 301         u16 beacon_interval;
 302         u16 listen_interval;
 303         u16 dtim_period;
 304         u16 bmiss_timeout;
 305         u8 dtim_count;
 306 };
 307
 308 struct ath_beacon {
 309         enum {
 310                 OK,             /* no change needed */
 311                 UPDATE,         /* update pending */
 312                 COMMIT          /* beacon sent, commit change */
 313         } updateslot;           /* slot time update fsm */
 314
 315         u32 beaconq;
 316         u32 bmisscnt;
 317         u32 ast_be_xmit;
 318         u64 bc_tstamp;
 319         struct ieee80211_vif *bslot[ATH_BCBUF];
 320         struct ath_wiphy *bslot_aphy[ATH_BCBUF];
 321         int slottime;
 322         int slotupdate;
 323         struct ath9k_tx_queue_info beacon_qi;
 324         struct ath_descdma bdma;
 325         struct ath_txq *cabq;
 326         struct list_head bbuf;
 327 };
 328
 329 void ath_beacon_tasklet(unsigned long data);
 330 void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif);
 331 int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif);
 332 void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp);
 333
 334 /*******/
 335 /* ANI */
 336 /*******/
 337
 338 #define ATH_STA_SHORT_CALINTERVAL 1000    /* 1 second */
 339 #define ATH_AP_SHORT_CALINTERVAL  100     /* 100 ms */
 340 #define ATH_ANI_POLLINTERVAL      100     /* 100 ms */
 341 #define ATH_LONG_CALINTERVAL      30000   /* 30 seconds */
 342 #define ATH_RESTART_CALINTERVAL   1200000 /* 20 minutes */
 343
 344 /* Defines the BT AR_BT_COEX_WGHT used */
 345 enum ath_stomp_type {
 346         ATH_BTCOEX_NO_STOMP,
 347         ATH_BTCOEX_STOMP_ALL,
 348         ATH_BTCOEX_STOMP_LOW,
 349         ATH_BTCOEX_STOMP_NONE
 350 };
 351
 352 struct ath_btcoex {
 353         bool hw_timer_enabled;
 354         spinlock_t btcoex_lock;
 355         struct timer_list period_timer; /* Timer for BT period */
 356         u32 bt_priority_cnt;
 357         unsigned long bt_priority_time;
 358         int bt_stomp_type; /* Types of BT stomping */
 359         u32 btcoex_no_stomp; /* in usec */
 360         u32 btcoex_period; /* in usec */
 361         struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */
 362 };
 363
 364 /********************/
 365 /*   LED Control    */
 366 /********************/
 367
 368 #define ATH_LED_PIN_DEF                 1
 369 #define ATH_LED_PIN_9287                8
 370 #define ATH_LED_ON_DURATION_IDLE        350     /* in msecs */
 371 #define ATH_LED_OFF_DURATION_IDLE       250     /* in msecs */
 372
 373 enum ath_led_type {
 374         ATH_LED_RADIO,
 375         ATH_LED_ASSOC,
 376         ATH_LED_TX,
 377         ATH_LED_RX
 378 };
 379
 380 struct ath_led {
 381         struct ath_softc *sc;
 382         struct led_classdev led_cdev;
 383         enum ath_led_type led_type;
 384         char name[32];
 385         bool registered;
 386 };
 387
 388 /********************/
 389 /* Main driver core */
 390 /********************/
 391
 392 /*
 393  * Default cache line size, in bytes.
 394  * Used when PCI device not fully initialized by bootrom/BIOS
 395 */
 396 #define DEFAULT_CACHELINE       32
 397 #define ATH_REGCLASSIDS_MAX     10
 398 #define ATH_CABQ_READY_TIME     80      /* % of beacon interval */
 399 #define ATH_MAX_SW_RETRIES      10
 400 #define ATH_CHAN_MAX            255
 401 #define IEEE80211_WEP_NKID      4       /* number of key ids */
 402
 403 #define ATH_TXPOWER_MAX         100     /* .5 dBm units */
 404 #define ATH_RATE_DUMMY_MARKER   0
 405
 406 #define SC_OP_INVALID           BIT(0)
 407 #define SC_OP_BEACONS           BIT(1)
 408 #define SC_OP_RXAGGR            BIT(2)
 409 #define SC_OP_TXAGGR            BIT(3)
 410 #define SC_OP_FULL_RESET        BIT(4)
 411 #define SC_OP_PREAMBLE_SHORT    BIT(5)
 412 #define SC_OP_PROTECT_ENABLE    BIT(6)
 413 #define SC_OP_RXFLUSH           BIT(7)
 414 #define SC_OP_LED_ASSOCIATED    BIT(8)
 415 #define SC_OP_WAIT_FOR_BEACON   BIT(12)
 416 #define SC_OP_LED_ON            BIT(13)
 417 #define SC_OP_SCANNING          BIT(14)
 418 #define SC_OP_TSF_RESET         BIT(15)
 419 #define SC_OP_WAIT_FOR_CAB      BIT(16)
 420 #define SC_OP_WAIT_FOR_PSPOLL_DATA BIT(17)
 421 #define SC_OP_WAIT_FOR_TX_ACK   BIT(18)
 422 #define SC_OP_BEACON_SYNC       BIT(19)
 423 #define SC_OP_BT_PRIORITY_DETECTED BIT(21)
 424
 425 struct ath_wiphy;
 426
 427 struct ath_softc {
 428         struct ieee80211_hw *hw;
 429         struct device *dev;
 430
 431         spinlock_t wiphy_lock; /* spinlock to protect ath_wiphy data */
 432         struct ath_wiphy *pri_wiphy;
 433         struct ath_wiphy **sec_wiphy; /* secondary wiphys (virtual radios); may
 434                                        * have NULL entries */
 435         int num_sec_wiphy; /* number of sec_wiphy pointers in the array */
 436         int chan_idx;
 437         int chan_is_ht;
 438         struct ath_wiphy *next_wiphy;
 439         struct work_struct chan_work;
 440         int wiphy_select_failures;
 441         unsigned long wiphy_select_first_fail;
 442         struct delayed_work wiphy_work;
 443         unsigned long wiphy_scheduler_int;
 444         int wiphy_scheduler_index;
 445
 446         struct tasklet_struct intr_tq;
 447         struct tasklet_struct bcon_tasklet;
 448         struct ath_hw *sc_ah;
 449         void __iomem *mem;
 450         int irq;
 451         spinlock_t sc_resetlock;
 452         spinlock_t sc_serial_rw;
 453         spinlock_t ani_lock;
 454         spinlock_t sc_pm_lock;
 455         struct mutex mutex;
 456
 457         u32 intrstatus;
 458         u32 sc_flags; /* SC_OP_* */
 459         u16 curtxpow;
 460         u8 nbcnvifs;
 461         u16 nvifs;
 462         bool ps_enabled;
 463         unsigned long ps_usecount;
 464         enum ath9k_int imask;
 465
 466         struct ath_config config;
 467         struct ath_rx rx;
 468         struct ath_tx tx;
 469         struct ath_beacon beacon;
 470         struct ieee80211_rate rates[IEEE80211_NUM_BANDS][ATH_RATE_MAX];
 471         const struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX];
 472         const struct ath_rate_table *cur_rate_table;
 473         struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
 474
 475         struct ath_led radio_led;
 476         struct ath_led assoc_led;
 477         struct ath_led tx_led;
 478         struct ath_led rx_led;
 479         struct delayed_work ath_led_blink_work;
 480         int led_on_duration;
 481         int led_off_duration;
 482         int led_on_cnt;
 483         int led_off_cnt;
 484
 485         int beacon_interval;
 486
 487 #ifdef CONFIG_ATH9K_DEBUG
 488         struct ath9k_debug debug;
 489 #endif
 490         struct ath_beacon_config cur_beacon_conf;
 491         struct delayed_work tx_complete_work;
 492         struct ath_btcoex btcoex;
 493 };
 494
 495 struct ath_wiphy {
 496         struct ath_softc *sc; /* shared for all virtual wiphys */
 497         struct ieee80211_hw *hw;
 498         enum ath_wiphy_state {
 499                 ATH_WIPHY_INACTIVE,
 500                 ATH_WIPHY_ACTIVE,
 501                 ATH_WIPHY_PAUSING,
 502                 ATH_WIPHY_PAUSED,
 503                 ATH_WIPHY_SCAN,
 504         } state;
 505         bool idle;
 506         int chan_idx;
 507         int chan_is_ht;
 508 };
 509
 510 int ath_reset(struct ath_softc *sc, bool retry_tx);
 511 int ath_get_hal_qnum(u16 queue, struct ath_softc *sc);
 512 int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc);
 513 int ath_cabq_update(struct ath_softc *);
 514
 515 static inline void ath_read_cachesize(struct ath_common *common, int *csz)
 516 {
 517         common->bus_ops->read_cachesize(common, csz);
 518 }
 519
 520 static inline void ath_bus_cleanup(struct ath_common *common)
 521 {
 522         common->bus_ops->cleanup(common);
 523 }
 524
 525 extern struct ieee80211_ops ath9k_ops;
 526
 527 irqreturn_t ath_isr(int irq, void *dev);
 528 void ath_cleanup(struct ath_softc *sc);
 529 int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
 530                     const struct ath_bus_ops *bus_ops);
 531 void ath_detach(struct ath_softc *sc);
 532 const char *ath_mac_bb_name(u32 mac_bb_version);
 533 const char *ath_rf_name(u16 rf_version);
 534 void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw);
 535 void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw,
 536                            struct ath9k_channel *ichan);
 537 void ath_update_chainmask(struct ath_softc *sc, int is_ht);
 538 int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
 539                     struct ath9k_channel *hchan);
 540
 541 void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw);
 542 void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw);
 543
 544 #ifdef CONFIG_PCI
 545 int ath_pci_init(void);
 546 void ath_pci_exit(void);
 547 #else
 548 static inline int ath_pci_init(void) { return 0; };
 549 static inline void ath_pci_exit(void) {};
 550 #endif
 551
 552 #ifdef CONFIG_ATHEROS_AR71XX
 553 int ath_ahb_init(void);
 554 void ath_ahb_exit(void);
 555 #else
 556 static inline int ath_ahb_init(void) { return 0; };
 557 static inline void ath_ahb_exit(void) {};
 558 #endif
 559
 560 void ath9k_ps_wakeup(struct ath_softc *sc);
 561 void ath9k_ps_restore(struct ath_softc *sc);
 562
 563 void ath9k_set_bssid_mask(struct ieee80211_hw *hw);
 564 int ath9k_wiphy_add(struct ath_softc *sc);
 565 int ath9k_wiphy_del(struct ath_wiphy *aphy);
 566 void ath9k_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb);
 567 int ath9k_wiphy_pause(struct ath_wiphy *aphy);
 568 int ath9k_wiphy_unpause(struct ath_wiphy *aphy);
 569 int ath9k_wiphy_select(struct ath_wiphy *aphy);
 570 void ath9k_wiphy_set_scheduler(struct ath_softc *sc, unsigned int msec_int);
 571 void ath9k_wiphy_chan_work(struct work_struct *work);
 572 bool ath9k_wiphy_started(struct ath_softc *sc);
 573 void ath9k_wiphy_pause_all_forced(struct ath_softc *sc,
 574                                   struct ath_wiphy *selected);
 575 bool ath9k_wiphy_scanning(struct ath_softc *sc);
 576 void ath9k_wiphy_work(struct work_struct *work);
 577 bool ath9k_all_wiphys_idle(struct ath_softc *sc);
 578 void ath9k_set_wiphy_idle(struct ath_wiphy *aphy, bool idle);
 579
 580 void ath_mac80211_stop_queue(struct ath_softc *sc, u16 skb_queue);
 581 void ath_mac80211_start_queue(struct ath_softc *sc, u16 skb_queue);
 582
 583 int ath_tx_get_qnum(struct ath_softc *sc, int qtype, int haltype);
 584 #endif /* ATH9K_H */