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

/* [<][>][^][v][top][bottom][index][help] */
This source file includes following definitions.
ath_node_to_tid
ath_chanctx_get
ath9k_is_chanctx_enabled
ath9k_fill_chanctx_ops
ath9k_init_channel_context
ath9k_offchannel_init
ath9k_deinit_channel_context
ath_chanctx_beacon_recv_ev
ath_chanctx_beacon_sent_ev
ath_chanctx_event
ath9k_init_p2p
ath9k_deinit_p2p
ath9k_p2p_remove_vif
ath9k_p2p_beacon_sync
ath9k_p2p_bss_info_changed
ath9k_beacon_add_noa
ath9k_p2p_ps_timer
ath9k_chanctx_wake_queues
ath9k_chanctx_stop_queues
ath_chanctx_check_active
ath_txq_lock
ath_txq_unlock
ath9k_init_btcoex
ath9k_deinit_btcoex
ath9k_start_btcoex
ath9k_stop_btcoex
ath9k_btcoex_handle_interrupt
ath9k_btcoex_aggr_limit
ath9k_btcoex_stop_gen_timer
ath9k_dump_btcoex
ath_init_leds
ath_deinit_leds
ath9k_init_wow
ath9k_deinit_wow
ath9k_suspend
ath9k_resume
ath9k_set_wakeup
ath9k_tx99_init_debug
ath9k_tx99_send
ath9k_rng_start
ath9k_rng_stop
ath_read_cachesize
ath_pci_init
ath_pci_exit
ath_ahb_init
ath_ahb_exit
   1 /*
   2  * Copyright (c) 2008-2011 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/interrupt.h>
  23 #include <linux/leds.h>
  24 #include <linux/completion.h>
  25 #include <linux/time.h>
  26 #include <linux/hw_random.h>
  27 
  28 #include "common.h"
  29 #include "debug.h"
  30 #include "mci.h"
  31 #include "dfs.h"
  32 
  33 struct ath_node;
  34 struct ath_vif;
  35 
  36 extern struct ieee80211_ops ath9k_ops;
  37 extern int ath9k_modparam_nohwcrypt;
  38 extern int ath9k_led_blink;
  39 extern bool is_ath9k_unloaded;
  40 extern int ath9k_use_chanctx;
  41 
  42 /*************************/
  43 /* Descriptor Management */
  44 /*************************/
  45 
  46 #define ATH_TXSTATUS_RING_SIZE 512
  47 
  48 /* Macro to expand scalars to 64-bit objects */
  49 #define ito64(x) (sizeof(x) == 1) ?                     \
  50         (((unsigned long long int)(x)) & (0xff)) :      \
  51         (sizeof(x) == 2) ?                              \
  52         (((unsigned long long int)(x)) & 0xffff) :      \
  53         ((sizeof(x) == 4) ?                             \
  54          (((unsigned long long int)(x)) & 0xffffffff) : \
  55          (unsigned long long int)(x))
  56 
  57 #define ATH_TXBUF_RESET(_bf) do {                               \
  58                 (_bf)->bf_lastbf = NULL;                        \
  59                 (_bf)->bf_next = NULL;                          \
  60                 memset(&((_bf)->bf_state), 0,                   \
  61                        sizeof(struct ath_buf_state));           \
  62         } while (0)
  63 
  64 #define DS2PHYS(_dd, _ds)                                               \
  65         ((_dd)->dd_desc_paddr + ((caddr_t)(_ds) - (caddr_t)(_dd)->dd_desc))
  66 #define ATH_DESC_4KB_BOUND_CHECK(_daddr) ((((_daddr) & 0xFFF) > 0xF7F) ? 1 : 0)
  67 #define ATH_DESC_4KB_BOUND_NUM_SKIPPED(_len) ((_len) / 4096)
  68 
  69 struct ath_descdma {
  70         void *dd_desc;
  71         dma_addr_t dd_desc_paddr;
  72         u32 dd_desc_len;
  73 };
  74 
  75 int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
  76                       struct list_head *head, const char *name,
  77                       int nbuf, int ndesc, bool is_tx);
  78 
  79 /***********/
  80 /* RX / TX */
  81 /***********/
  82 
  83 #define ATH_TXQ_SETUP(sc, i) ((sc)->tx.txqsetup & (1<<i))
  84 
  85 /* increment with wrap-around */
  86 #define INCR(_l, _sz)   do {                    \
  87                 (_l)++;                         \
  88                 (_l) &= ((_sz) - 1);            \
  89         } while (0)
  90 
  91 #define ATH_RXBUF               512
  92 #define ATH_TXBUF               512
  93 #define ATH_TXBUF_RESERVE       5
  94 #define ATH_TXMAXTRY            13
  95 #define ATH_MAX_SW_RETRIES      30
  96 
  97 #define TID_TO_WME_AC(_tid)                             \
  98         ((((_tid) == 0) || ((_tid) == 3)) ? IEEE80211_AC_BE :   \
  99          (((_tid) == 1) || ((_tid) == 2)) ? IEEE80211_AC_BK :   \
 100          (((_tid) == 4) || ((_tid) == 5)) ? IEEE80211_AC_VI :   \
 101          IEEE80211_AC_VO)
 102 
 103 #define ATH_AGGR_DELIM_SZ          4
 104 #define ATH_AGGR_MINPLEN           256 /* in bytes, minimum packet length */
 105 /* number of delimiters for encryption padding */
 106 #define ATH_AGGR_ENCRYPTDELIM      10
 107 /* minimum h/w qdepth to be sustained to maximize aggregation */
 108 #define ATH_AGGR_MIN_QDEPTH        2
 109 /* minimum h/w qdepth for non-aggregated traffic */
 110 #define ATH_NON_AGGR_MIN_QDEPTH    8
 111 #define ATH_HW_CHECK_POLL_INT      1000
 112 #define ATH_TXFIFO_DEPTH           8
 113 #define ATH_TX_ERROR               0x01
 114 
 115 /* Stop tx traffic 1ms before the GO goes away */
 116 #define ATH_P2P_PS_STOP_TIME       1000
 117 
 118 #define IEEE80211_SEQ_SEQ_SHIFT    4
 119 #define IEEE80211_SEQ_MAX          4096
 120 #define IEEE80211_WEP_IVLEN        3
 121 #define IEEE80211_WEP_KIDLEN       1
 122 #define IEEE80211_WEP_CRCLEN       4
 123 #define IEEE80211_MAX_MPDU_LEN     (3840 + FCS_LEN +            \
 124                                     (IEEE80211_WEP_IVLEN +      \
 125                                      IEEE80211_WEP_KIDLEN +     \
 126                                      IEEE80211_WEP_CRCLEN))
 127 
 128 /* return whether a bit at index _n in bitmap _bm is set
 129  * _sz is the size of the bitmap  */
 130 #define ATH_BA_ISSET(_bm, _n)  (((_n) < (WME_BA_BMP_SIZE)) &&           \
 131                                 ((_bm)[(_n) >> 5] & (1 << ((_n) & 31))))
 132 
 133 /* return block-ack bitmap index given sequence and starting sequence */
 134 #define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1))
 135 
 136 /* return the seqno for _start + _offset */
 137 #define ATH_BA_INDEX2SEQ(_seq, _offset) (((_seq) + (_offset)) & (IEEE80211_SEQ_MAX - 1))
 138 
 139 /* returns delimiter padding required given the packet length */
 140 #define ATH_AGGR_GET_NDELIM(_len)                                       \
 141        (((_len) >= ATH_AGGR_MINPLEN) ? 0 :                             \
 142         DIV_ROUND_UP(ATH_AGGR_MINPLEN - (_len), ATH_AGGR_DELIM_SZ))
 143 
 144 #define BAW_WITHIN(_start, _bawsz, _seqno) \
 145         ((((_seqno) - (_start)) & 4095) < (_bawsz))
 146 
 147 #define ATH_AN_2_TID(_an, _tidno) ath_node_to_tid(_an, _tidno)
 148 
 149 #define IS_HT_RATE(rate)   (rate & 0x80)
 150 #define IS_CCK_RATE(rate)  ((rate >= 0x18) && (rate <= 0x1e))
 151 #define IS_OFDM_RATE(rate) ((rate >= 0x8) && (rate <= 0xf))
 152 
 153 enum {
 154        WLAN_RC_PHY_OFDM,
 155        WLAN_RC_PHY_CCK,
 156 };
 157 
 158 struct ath_txq {
 159         int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */
 160         u32 axq_qnum; /* ath9k hardware queue number */
 161         void *axq_link;
 162         struct list_head axq_q;
 163         spinlock_t axq_lock;
 164         u32 axq_depth;
 165         u32 axq_ampdu_depth;
 166         bool axq_tx_inprogress;
 167         struct list_head txq_fifo[ATH_TXFIFO_DEPTH];
 168         u8 txq_headidx;
 169         u8 txq_tailidx;
 170         int pending_frames;
 171         struct sk_buff_head complete_q;
 172 };
 173 
 174 struct ath_frame_info {
 175         struct ath_buf *bf;
 176         u16 framelen;
 177         s8 txq;
 178         u8 keyix;
 179         u8 rtscts_rate;
 180         u8 retries : 7;
 181         u8 baw_tracked : 1;
 182         u8 tx_power;
 183         enum ath9k_key_type keytype:2;
 184 };
 185 
 186 struct ath_rxbuf {
 187         struct list_head list;
 188         struct sk_buff *bf_mpdu;
 189         void *bf_desc;
 190         dma_addr_t bf_daddr;
 191         dma_addr_t bf_buf_addr;
 192 };
 193 
 194 /**
 195  * enum buffer_type - Buffer type flags
 196  *
 197  * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX)
 198  * @BUF_AGGR: Indicates whether the buffer can be aggregated
 199  *      (used in aggregation scheduling)
 200  */
 201 enum buffer_type {
 202         BUF_AMPDU               = BIT(0),
 203         BUF_AGGR                = BIT(1),
 204 };
 205 
 206 #define bf_isampdu(bf)          (bf->bf_state.bf_type & BUF_AMPDU)
 207 #define bf_isaggr(bf)           (bf->bf_state.bf_type & BUF_AGGR)
 208 
 209 struct ath_buf_state {
 210         u8 bf_type;
 211         u8 bfs_paprd;
 212         u8 ndelim;
 213         bool stale;
 214         u16 seqno;
 215         unsigned long bfs_paprd_timestamp;
 216 };
 217 
 218 struct ath_buf {
 219         struct list_head list;
 220         struct ath_buf *bf_lastbf;      /* last buf of this unit (a frame or
 221                                            an aggregate) */
 222         struct ath_buf *bf_next;        /* next subframe in the aggregate */
 223         struct sk_buff *bf_mpdu;        /* enclosing frame structure */
 224         void *bf_desc;                  /* virtual addr of desc */
 225         dma_addr_t bf_daddr;            /* physical addr of desc */
 226         dma_addr_t bf_buf_addr; /* physical addr of data buffer, for DMA */
 227         struct ieee80211_tx_rate rates[4];
 228         struct ath_buf_state bf_state;
 229 };
 230 
 231 struct ath_atx_tid {
 232         struct list_head list;
 233         struct sk_buff_head retry_q;
 234         struct ath_node *an;
 235         struct ath_txq *txq;
 236         unsigned long tx_buf[BITS_TO_LONGS(ATH_TID_MAX_BUFS)];
 237         u16 seq_start;
 238         u16 seq_next;
 239         u16 baw_size;
 240         u8 tidno;
 241         int baw_head;   /* first un-acked tx buffer */
 242         int baw_tail;   /* next unused tx buffer slot */
 243 
 244         s8 bar_index;
 245         bool active;
 246         bool clear_ps_filter;
 247 };
 248 
 249 void ath_tx_queue_tid(struct ath_softc *sc, struct ath_atx_tid *tid);
 250 
 251 struct ath_node {
 252         struct ath_softc *sc;
 253         struct ieee80211_sta *sta; /* station struct we're part of */
 254         struct ieee80211_vif *vif; /* interface with which we're associated */
 255 
 256         u16 maxampdu;
 257         u8 mpdudensity;
 258         s8 ps_key;
 259 
 260         bool sleeping;
 261         bool no_ps_filter;
 262 
 263 #ifdef CONFIG_ATH9K_STATION_STATISTICS
 264         struct ath_rx_rate_stats rx_rate_stats;
 265 #endif
 266         u8 key_idx[4];
 267 
 268         int ackto;
 269         struct list_head list;
 270 };
 271 
 272 struct ath_tx_control {
 273         struct ath_txq *txq;
 274         struct ath_node *an;
 275         struct ieee80211_sta *sta;
 276         u8 paprd;
 277 };
 278 
 279 
 280 /**
 281  * @txq_map:  Index is mac80211 queue number.  This is
 282  *  not necessarily the same as the hardware queue number
 283  *  (axq_qnum).
 284  */
 285 struct ath_tx {
 286         u32 txqsetup;
 287         spinlock_t txbuflock;
 288         struct list_head txbuf;
 289         struct ath_txq txq[ATH9K_NUM_TX_QUEUES];
 290         struct ath_descdma txdma;
 291         struct ath_txq *txq_map[IEEE80211_NUM_ACS];
 292         struct ath_txq *uapsdq;
 293         u16 max_aggr_framelen[IEEE80211_NUM_ACS][4][32];
 294 };
 295 
 296 struct ath_rx_edma {
 297         struct sk_buff_head rx_fifo;
 298         u32 rx_fifo_hwsize;
 299 };
 300 
 301 struct ath_rx {
 302         u8 defant;
 303         u8 rxotherant;
 304         bool discard_next;
 305         u32 *rxlink;
 306         u32 num_pkts;
 307         struct list_head rxbuf;
 308         struct ath_descdma rxdma;
 309         struct ath_rx_edma rx_edma[ATH9K_RX_QUEUE_MAX];
 310 
 311         struct ath_rxbuf *buf_hold;
 312         struct sk_buff *frag;
 313 
 314         u32 ampdu_ref;
 315 };
 316 
 317 /*******************/
 318 /* Channel Context */
 319 /*******************/
 320 
 321 struct ath_acq {
 322         struct list_head acq_new;
 323         struct list_head acq_old;
 324         spinlock_t lock;
 325 };
 326 
 327 struct ath_chanctx {
 328         struct cfg80211_chan_def chandef;
 329         struct list_head vifs;
 330         struct ath_acq acq[IEEE80211_NUM_ACS];
 331         int hw_queue_base;
 332 
 333         /* do not dereference, use for comparison only */
 334         struct ieee80211_vif *primary_sta;
 335 
 336         struct ath_beacon_config beacon;
 337         struct ath9k_hw_cal_data caldata;
 338         struct timespec64 tsf_ts;
 339         u64 tsf_val;
 340         u32 last_beacon;
 341 
 342         int flush_timeout;
 343         u16 txpower;
 344         u16 cur_txpower;
 345         bool offchannel;
 346         bool stopped;
 347         bool active;
 348         bool assigned;
 349         bool switch_after_beacon;
 350 
 351         short nvifs;
 352         short nvifs_assigned;
 353         unsigned int rxfilter;
 354 };
 355 
 356 enum ath_chanctx_event {
 357         ATH_CHANCTX_EVENT_BEACON_PREPARE,
 358         ATH_CHANCTX_EVENT_BEACON_SENT,
 359         ATH_CHANCTX_EVENT_TSF_TIMER,
 360         ATH_CHANCTX_EVENT_BEACON_RECEIVED,
 361         ATH_CHANCTX_EVENT_AUTHORIZED,
 362         ATH_CHANCTX_EVENT_SWITCH,
 363         ATH_CHANCTX_EVENT_ASSIGN,
 364         ATH_CHANCTX_EVENT_UNASSIGN,
 365         ATH_CHANCTX_EVENT_CHANGE,
 366         ATH_CHANCTX_EVENT_ENABLE_MULTICHANNEL,
 367 };
 368 
 369 enum ath_chanctx_state {
 370         ATH_CHANCTX_STATE_IDLE,
 371         ATH_CHANCTX_STATE_WAIT_FOR_BEACON,
 372         ATH_CHANCTX_STATE_WAIT_FOR_TIMER,
 373         ATH_CHANCTX_STATE_SWITCH,
 374         ATH_CHANCTX_STATE_FORCE_ACTIVE,
 375 };
 376 
 377 struct ath_chanctx_sched {
 378         bool beacon_pending;
 379         bool beacon_adjust;
 380         bool offchannel_pending;
 381         bool wait_switch;
 382         bool force_noa_update;
 383         bool extend_absence;
 384         bool mgd_prepare_tx;
 385         enum ath_chanctx_state state;
 386         u8 beacon_miss;
 387 
 388         u32 next_tbtt;
 389         u32 switch_start_time;
 390         unsigned int offchannel_duration;
 391         unsigned int channel_switch_time;
 392 
 393         /* backup, in case the hardware timer fails */
 394         struct timer_list timer;
 395 };
 396 
 397 enum ath_offchannel_state {
 398         ATH_OFFCHANNEL_IDLE,
 399         ATH_OFFCHANNEL_PROBE_SEND,
 400         ATH_OFFCHANNEL_PROBE_WAIT,
 401         ATH_OFFCHANNEL_SUSPEND,
 402         ATH_OFFCHANNEL_ROC_START,
 403         ATH_OFFCHANNEL_ROC_WAIT,
 404         ATH_OFFCHANNEL_ROC_DONE,
 405 };
 406 
 407 enum ath_roc_complete_reason {
 408         ATH_ROC_COMPLETE_EXPIRE,
 409         ATH_ROC_COMPLETE_ABORT,
 410         ATH_ROC_COMPLETE_CANCEL,
 411 };
 412 
 413 struct ath_offchannel {
 414         struct ath_chanctx chan;
 415         struct timer_list timer;
 416         struct cfg80211_scan_request *scan_req;
 417         struct ieee80211_vif *scan_vif;
 418         int scan_idx;
 419         enum ath_offchannel_state state;
 420         struct ieee80211_channel *roc_chan;
 421         struct ieee80211_vif *roc_vif;
 422         int roc_duration;
 423         int duration;
 424 };
 425 
 426 static inline struct ath_atx_tid *
 427 ath_node_to_tid(struct ath_node *an, u8 tidno)
 428 {
 429         struct ieee80211_sta *sta = an->sta;
 430         struct ieee80211_vif *vif = an->vif;
 431         struct ieee80211_txq *txq;
 432 
 433         BUG_ON(!vif);
 434         if (sta)
 435                 txq = sta->txq[tidno % ARRAY_SIZE(sta->txq)];
 436         else
 437                 txq = vif->txq;
 438 
 439         return (struct ath_atx_tid *) txq->drv_priv;
 440 }
 441 
 442 #define case_rtn_string(val) case val: return #val
 443 
 444 #define ath_for_each_chanctx(_sc, _ctx)                             \
 445         for (ctx = &sc->chanctx[0];                                 \
 446              ctx <= &sc->chanctx[ARRAY_SIZE(sc->chanctx) - 1];      \
 447              ctx++)
 448 
 449 void ath_chanctx_init(struct ath_softc *sc);
 450 void ath_chanctx_set_channel(struct ath_softc *sc, struct ath_chanctx *ctx,
 451                              struct cfg80211_chan_def *chandef);
 452 
 453 #ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
 454 
 455 static inline struct ath_chanctx *
 456 ath_chanctx_get(struct ieee80211_chanctx_conf *ctx)
 457 {
 458         struct ath_chanctx **ptr = (void *) ctx->drv_priv;
 459         return *ptr;
 460 }
 461 
 462 bool ath9k_is_chanctx_enabled(void);
 463 void ath9k_fill_chanctx_ops(void);
 464 void ath9k_init_channel_context(struct ath_softc *sc);
 465 void ath9k_offchannel_init(struct ath_softc *sc);
 466 void ath9k_deinit_channel_context(struct ath_softc *sc);
 467 int ath9k_init_p2p(struct ath_softc *sc);
 468 void ath9k_deinit_p2p(struct ath_softc *sc);
 469 void ath9k_p2p_remove_vif(struct ath_softc *sc,
 470                           struct ieee80211_vif *vif);
 471 void ath9k_p2p_beacon_sync(struct ath_softc *sc);
 472 void ath9k_p2p_bss_info_changed(struct ath_softc *sc,
 473                                 struct ieee80211_vif *vif);
 474 void ath9k_beacon_add_noa(struct ath_softc *sc, struct ath_vif *avp,
 475                           struct sk_buff *skb);
 476 void ath9k_p2p_ps_timer(void *priv);
 477 void ath9k_chanctx_wake_queues(struct ath_softc *sc, struct ath_chanctx *ctx);
 478 void ath9k_chanctx_stop_queues(struct ath_softc *sc, struct ath_chanctx *ctx);
 479 void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx);
 480 
 481 void ath_chanctx_beacon_recv_ev(struct ath_softc *sc,
 482                                 enum ath_chanctx_event ev);
 483 void ath_chanctx_beacon_sent_ev(struct ath_softc *sc,
 484                                 enum ath_chanctx_event ev);
 485 void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif,
 486                        enum ath_chanctx_event ev);
 487 void ath_chanctx_set_next(struct ath_softc *sc, bool force);
 488 void ath_offchannel_next(struct ath_softc *sc);
 489 void ath_scan_complete(struct ath_softc *sc, bool abort);
 490 void ath_roc_complete(struct ath_softc *sc,
 491                       enum ath_roc_complete_reason reason);
 492 struct ath_chanctx* ath_is_go_chanctx_present(struct ath_softc *sc);
 493 
 494 #else
 495 
 496 static inline bool ath9k_is_chanctx_enabled(void)
 497 {
 498         return false;
 499 }
 500 static inline void ath9k_fill_chanctx_ops(void)
 501 {
 502 }
 503 static inline void ath9k_init_channel_context(struct ath_softc *sc)
 504 {
 505 }
 506 static inline void ath9k_offchannel_init(struct ath_softc *sc)
 507 {
 508 }
 509 static inline void ath9k_deinit_channel_context(struct ath_softc *sc)
 510 {
 511 }
 512 static inline void ath_chanctx_beacon_recv_ev(struct ath_softc *sc,
 513                                               enum ath_chanctx_event ev)
 514 {
 515 }
 516 static inline void ath_chanctx_beacon_sent_ev(struct ath_softc *sc,
 517                                               enum ath_chanctx_event ev)
 518 {
 519 }
 520 static inline void ath_chanctx_event(struct ath_softc *sc,
 521                                      struct ieee80211_vif *vif,
 522                                      enum ath_chanctx_event ev)
 523 {
 524 }
 525 static inline int ath9k_init_p2p(struct ath_softc *sc)
 526 {
 527         return 0;
 528 }
 529 static inline void ath9k_deinit_p2p(struct ath_softc *sc)
 530 {
 531 }
 532 static inline void ath9k_p2p_remove_vif(struct ath_softc *sc,
 533                                         struct ieee80211_vif *vif)
 534 {
 535 }
 536 static inline void ath9k_p2p_beacon_sync(struct ath_softc *sc)
 537 {
 538 }
 539 static inline void ath9k_p2p_bss_info_changed(struct ath_softc *sc,
 540                                               struct ieee80211_vif *vif)
 541 {
 542 }
 543 static inline void ath9k_beacon_add_noa(struct ath_softc *sc, struct ath_vif *avp,
 544                                         struct sk_buff *skb)
 545 {
 546 }
 547 static inline void ath9k_p2p_ps_timer(struct ath_softc *sc)
 548 {
 549 }
 550 static inline void ath9k_chanctx_wake_queues(struct ath_softc *sc,
 551                                              struct ath_chanctx *ctx)
 552 {
 553 }
 554 static inline void ath9k_chanctx_stop_queues(struct ath_softc *sc,
 555                                              struct ath_chanctx *ctx)
 556 {
 557 }
 558 static inline void ath_chanctx_check_active(struct ath_softc *sc,
 559                                             struct ath_chanctx *ctx)
 560 {
 561 }
 562 
 563 #endif /* CONFIG_ATH9K_CHANNEL_CONTEXT */
 564 
 565 static inline void ath_txq_lock(struct ath_softc *sc, struct ath_txq *txq)
 566 {
 567         spin_lock_bh(&txq->axq_lock);
 568 }
 569 static inline void ath_txq_unlock(struct ath_softc *sc, struct ath_txq *txq)
 570 {
 571         spin_unlock_bh(&txq->axq_lock);
 572 }
 573 
 574 void ath_startrecv(struct ath_softc *sc);
 575 bool ath_stoprecv(struct ath_softc *sc);
 576 u32 ath_calcrxfilter(struct ath_softc *sc);
 577 int ath_rx_init(struct ath_softc *sc, int nbufs);
 578 void ath_rx_cleanup(struct ath_softc *sc);
 579 int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp);
 580 struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype);
 581 void ath_txq_unlock_complete(struct ath_softc *sc, struct ath_txq *txq);
 582 void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq);
 583 bool ath_drain_all_txq(struct ath_softc *sc);
 584 void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq);
 585 void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an);
 586 void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an);
 587 void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq);
 588 void ath_txq_schedule_all(struct ath_softc *sc);
 589 int ath_tx_init(struct ath_softc *sc, int nbufs);
 590 int ath_txq_update(struct ath_softc *sc, int qnum,
 591                    struct ath9k_tx_queue_info *q);
 592 u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, int pktlen,
 593                      int width, int half_gi, bool shortPreamble);
 594 void ath_update_max_aggr_framelen(struct ath_softc *sc, int queue, int txop);
 595 void ath_assign_seq(struct ath_common *common, struct sk_buff *skb);
 596 int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
 597                  struct ath_tx_control *txctl);
 598 void ath_tx_cabq(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 599                  struct sk_buff *skb);
 600 void ath_tx_tasklet(struct ath_softc *sc);
 601 void ath_tx_edma_tasklet(struct ath_softc *sc);
 602 int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
 603                       u16 tid, u16 *ssn);
 604 void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
 605 
 606 void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an);
 607 void ath_tx_aggr_sleep(struct ieee80211_sta *sta, struct ath_softc *sc,
 608                        struct ath_node *an);
 609 void ath9k_release_buffered_frames(struct ieee80211_hw *hw,
 610                                    struct ieee80211_sta *sta,
 611                                    u16 tids, int nframes,
 612                                    enum ieee80211_frame_release_type reason,
 613                                    bool more_data);
 614 void ath9k_wake_tx_queue(struct ieee80211_hw *hw, struct ieee80211_txq *queue);
 615 
 616 /********/
 617 /* VIFs */
 618 /********/
 619 
 620 #define P2P_DEFAULT_CTWIN 10
 621 
 622 struct ath_vif {
 623         struct list_head list;
 624 
 625         u16 seq_no;
 626 
 627         /* BSS info */
 628         u8 bssid[ETH_ALEN] __aligned(2);
 629         u16 aid;
 630         bool assoc;
 631 
 632         struct ieee80211_vif *vif;
 633         struct ath_node mcast_node;
 634         int av_bslot;
 635         __le64 tsf_adjust; /* TSF adjustment for staggered beacons */
 636         struct ath_buf *av_bcbuf;
 637         struct ath_chanctx *chanctx;
 638 
 639         /* P2P Client */
 640         struct ieee80211_noa_data noa;
 641 
 642         /* P2P GO */
 643         u8 noa_index;
 644         u32 offchannel_start;
 645         u32 offchannel_duration;
 646 
 647         /* These are used for both periodic and one-shot */
 648         u32 noa_start;
 649         u32 noa_duration;
 650         bool periodic_noa;
 651         bool oneshot_noa;
 652 };
 653 
 654 struct ath9k_vif_iter_data {
 655         u8 hw_macaddr[ETH_ALEN]; /* address of the first vif */
 656         u8 mask[ETH_ALEN]; /* bssid mask */
 657         bool has_hw_macaddr;
 658         u8 slottime;
 659         bool beacons;
 660 
 661         int naps;      /* number of AP vifs */
 662         int nmeshes;   /* number of mesh vifs */
 663         int nstations; /* number of station vifs */
 664         int nwds;      /* number of WDS vifs */
 665         int nadhocs;   /* number of adhoc vifs */
 666         int nocbs;     /* number of OCB vifs */
 667         int nbcnvifs;  /* number of beaconing vifs */
 668         struct ieee80211_vif *primary_beacon_vif;
 669         struct ieee80211_vif *primary_sta;
 670 };
 671 
 672 void ath9k_calculate_iter_data(struct ath_softc *sc,
 673                                struct ath_chanctx *ctx,
 674                                struct ath9k_vif_iter_data *iter_data);
 675 void ath9k_calculate_summary_state(struct ath_softc *sc,
 676                                    struct ath_chanctx *ctx);
 677 void ath9k_set_txpower(struct ath_softc *sc, struct ieee80211_vif *vif);
 678 
 679 /*******************/
 680 /* Beacon Handling */
 681 /*******************/
 682 
 683 /*
 684  * Regardless of the number of beacons we stagger, (i.e. regardless of the
 685  * number of BSSIDs) if a given beacon does not go out even after waiting this
 686  * number of beacon intervals, the game's up.
 687  */
 688 #define BSTUCK_THRESH                   9
 689 #define ATH_BCBUF                       8
 690 #define ATH_DEFAULT_BINTVAL             100 /* TU */
 691 #define ATH_DEFAULT_BMISS_LIMIT         10
 692 
 693 #define TSF_TO_TU(_h,_l) \
 694         ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
 695 
 696 struct ath_beacon {
 697         enum {
 698                 OK,             /* no change needed */
 699                 UPDATE,         /* update pending */
 700                 COMMIT          /* beacon sent, commit change */
 701         } updateslot;           /* slot time update fsm */
 702 
 703         u32 beaconq;
 704         u32 bmisscnt;
 705         struct ieee80211_vif *bslot[ATH_BCBUF];
 706         int slottime;
 707         int slotupdate;
 708         struct ath_descdma bdma;
 709         struct ath_txq *cabq;
 710         struct list_head bbuf;
 711 
 712         bool tx_processed;
 713         bool tx_last;
 714 };
 715 
 716 void ath9k_beacon_tasklet(unsigned long data);
 717 void ath9k_beacon_config(struct ath_softc *sc, struct ieee80211_vif *main_vif,
 718                          bool beacons);
 719 void ath9k_beacon_assign_slot(struct ath_softc *sc, struct ieee80211_vif *vif);
 720 void ath9k_beacon_remove_slot(struct ath_softc *sc, struct ieee80211_vif *vif);
 721 void ath9k_beacon_ensure_primary_slot(struct ath_softc *sc);
 722 void ath9k_set_beacon(struct ath_softc *sc);
 723 bool ath9k_csa_is_finished(struct ath_softc *sc, struct ieee80211_vif *vif);
 724 void ath9k_csa_update(struct ath_softc *sc);
 725 
 726 /*******************/
 727 /* Link Monitoring */
 728 /*******************/
 729 
 730 #define ATH_STA_SHORT_CALINTERVAL 1000    /* 1 second */
 731 #define ATH_AP_SHORT_CALINTERVAL  100     /* 100 ms */
 732 #define ATH_ANI_POLLINTERVAL_OLD  100     /* 100 ms */
 733 #define ATH_ANI_POLLINTERVAL_NEW  1000    /* 1000 ms */
 734 #define ATH_LONG_CALINTERVAL_INT  1000    /* 1000 ms */
 735 #define ATH_LONG_CALINTERVAL      30000   /* 30 seconds */
 736 #define ATH_RESTART_CALINTERVAL   1200000 /* 20 minutes */
 737 #define ATH_ANI_MAX_SKIP_COUNT    10
 738 #define ATH_PAPRD_TIMEOUT         100 /* msecs */
 739 #define ATH_PLL_WORK_INTERVAL     100
 740 
 741 void ath_hw_check_work(struct work_struct *work);
 742 void ath_reset_work(struct work_struct *work);
 743 bool ath_hw_check(struct ath_softc *sc);
 744 void ath_hw_pll_work(struct work_struct *work);
 745 void ath_paprd_calibrate(struct work_struct *work);
 746 void ath_ani_calibrate(struct timer_list *t);
 747 void ath_start_ani(struct ath_softc *sc);
 748 void ath_stop_ani(struct ath_softc *sc);
 749 void ath_check_ani(struct ath_softc *sc);
 750 int ath_update_survey_stats(struct ath_softc *sc);
 751 void ath_update_survey_nf(struct ath_softc *sc, int channel);
 752 void ath9k_queue_reset(struct ath_softc *sc, enum ath_reset_type type);
 753 void ath_ps_full_sleep(struct timer_list *t);
 754 void __ath9k_flush(struct ieee80211_hw *hw, u32 queues, bool drop,
 755                    bool sw_pending, bool timeout_override);
 756 
 757 /**********/
 758 /* BTCOEX */
 759 /**********/
 760 
 761 #define ATH_DUMP_BTCOEX(_s, _val)                               \
 762         do {                                                    \
 763                 len += scnprintf(buf + len, size - len,         \
 764                                  "%20s : %10d\n", _s, (_val));  \
 765         } while (0)
 766 
 767 enum bt_op_flags {
 768         BT_OP_PRIORITY_DETECTED,
 769         BT_OP_SCAN,
 770 };
 771 
 772 struct ath_btcoex {
 773         spinlock_t btcoex_lock;
 774         struct timer_list period_timer; /* Timer for BT period */
 775         struct timer_list no_stomp_timer;
 776         u32 bt_priority_cnt;
 777         unsigned long bt_priority_time;
 778         unsigned long op_flags;
 779         int bt_stomp_type; /* Types of BT stomping */
 780         u32 btcoex_no_stomp; /* in msec */
 781         u32 btcoex_period; /* in msec */
 782         u32 btscan_no_stomp; /* in msec */
 783         u32 duty_cycle;
 784         u32 bt_wait_time;
 785         int rssi_count;
 786         struct ath_mci_profile mci;
 787         u8 stomp_audio;
 788 };
 789 
 790 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
 791 int ath9k_init_btcoex(struct ath_softc *sc);
 792 void ath9k_deinit_btcoex(struct ath_softc *sc);
 793 void ath9k_start_btcoex(struct ath_softc *sc);
 794 void ath9k_stop_btcoex(struct ath_softc *sc);
 795 void ath9k_btcoex_timer_resume(struct ath_softc *sc);
 796 void ath9k_btcoex_timer_pause(struct ath_softc *sc);
 797 void ath9k_btcoex_handle_interrupt(struct ath_softc *sc, u32 status);
 798 u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen);
 799 void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc);
 800 int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size);
 801 #else
 802 static inline int ath9k_init_btcoex(struct ath_softc *sc)
 803 {
 804         return 0;
 805 }
 806 static inline void ath9k_deinit_btcoex(struct ath_softc *sc)
 807 {
 808 }
 809 static inline void ath9k_start_btcoex(struct ath_softc *sc)
 810 {
 811 }
 812 static inline void ath9k_stop_btcoex(struct ath_softc *sc)
 813 {
 814 }
 815 static inline void ath9k_btcoex_handle_interrupt(struct ath_softc *sc,
 816                                                  u32 status)
 817 {
 818 }
 819 static inline u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc,
 820                                           u32 max_4ms_framelen)
 821 {
 822         return 0;
 823 }
 824 static inline void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc)
 825 {
 826 }
 827 static inline int ath9k_dump_btcoex(struct ath_softc *sc, u8 *buf, u32 size)
 828 {
 829         return 0;
 830 }
 831 #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
 832 
 833 /********************/
 834 /*   LED Control    */
 835 /********************/
 836 
 837 #define ATH_LED_PIN_DEF                 1
 838 #define ATH_LED_PIN_9287                8
 839 #define ATH_LED_PIN_9300                10
 840 #define ATH_LED_PIN_9485                6
 841 #define ATH_LED_PIN_9462                4
 842 
 843 #ifdef CONFIG_MAC80211_LEDS
 844 void ath_init_leds(struct ath_softc *sc);
 845 void ath_deinit_leds(struct ath_softc *sc);
 846 #else
 847 static inline void ath_init_leds(struct ath_softc *sc)
 848 {
 849 }
 850 
 851 static inline void ath_deinit_leds(struct ath_softc *sc)
 852 {
 853 }
 854 #endif
 855 
 856 /************************/
 857 /* Wake on Wireless LAN */
 858 /************************/
 859 
 860 #ifdef CONFIG_ATH9K_WOW
 861 void ath9k_init_wow(struct ieee80211_hw *hw);
 862 void ath9k_deinit_wow(struct ieee80211_hw *hw);
 863 int ath9k_suspend(struct ieee80211_hw *hw,
 864                   struct cfg80211_wowlan *wowlan);
 865 int ath9k_resume(struct ieee80211_hw *hw);
 866 void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled);
 867 #else
 868 static inline void ath9k_init_wow(struct ieee80211_hw *hw)
 869 {
 870 }
 871 static inline void ath9k_deinit_wow(struct ieee80211_hw *hw)
 872 {
 873 }
 874 static inline int ath9k_suspend(struct ieee80211_hw *hw,
 875                                 struct cfg80211_wowlan *wowlan)
 876 {
 877         return 0;
 878 }
 879 static inline int ath9k_resume(struct ieee80211_hw *hw)
 880 {
 881         return 0;
 882 }
 883 static inline void ath9k_set_wakeup(struct ieee80211_hw *hw, bool enabled)
 884 {
 885 }
 886 #endif /* CONFIG_ATH9K_WOW */
 887 
 888 /*******************************/
 889 /* Antenna diversity/combining */
 890 /*******************************/
 891 
 892 #define ATH_ANT_RX_CURRENT_SHIFT 4
 893 #define ATH_ANT_RX_MAIN_SHIFT 2
 894 #define ATH_ANT_RX_MASK 0x3
 895 
 896 #define ATH_ANT_DIV_COMB_SHORT_SCAN_INTR 50
 897 #define ATH_ANT_DIV_COMB_SHORT_SCAN_PKTCOUNT 0x100
 898 #define ATH_ANT_DIV_COMB_MAX_PKTCOUNT 0x200
 899 #define ATH_ANT_DIV_COMB_INIT_COUNT 95
 900 #define ATH_ANT_DIV_COMB_MAX_COUNT 100
 901 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO 30
 902 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2 20
 903 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO_LOW_RSSI 50
 904 #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2_LOW_RSSI 50
 905 
 906 #define ATH_ANT_DIV_COMB_LNA1_DELTA_HI -4
 907 #define ATH_ANT_DIV_COMB_LNA1_DELTA_MID -2
 908 #define ATH_ANT_DIV_COMB_LNA1_DELTA_LOW 2
 909 
 910 struct ath_ant_comb {
 911         u16 count;
 912         u16 total_pkt_count;
 913         bool scan;
 914         bool scan_not_start;
 915         int main_total_rssi;
 916         int alt_total_rssi;
 917         int alt_recv_cnt;
 918         int main_recv_cnt;
 919         int rssi_lna1;
 920         int rssi_lna2;
 921         int rssi_add;
 922         int rssi_sub;
 923         int rssi_first;
 924         int rssi_second;
 925         int rssi_third;
 926         int ant_ratio;
 927         int ant_ratio2;
 928         bool alt_good;
 929         int quick_scan_cnt;
 930         enum ath9k_ant_div_comb_lna_conf main_conf;
 931         enum ath9k_ant_div_comb_lna_conf first_quick_scan_conf;
 932         enum ath9k_ant_div_comb_lna_conf second_quick_scan_conf;
 933         bool first_ratio;
 934         bool second_ratio;
 935         unsigned long scan_start_time;
 936 
 937         /*
 938          * Card-specific config values.
 939          */
 940         int low_rssi_thresh;
 941         int fast_div_bias;
 942 };
 943 
 944 void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs);
 945 
 946 /********************/
 947 /* Main driver core */
 948 /********************/
 949 
 950 #define ATH9K_PCI_CUS198          0x0001
 951 #define ATH9K_PCI_CUS230          0x0002
 952 #define ATH9K_PCI_CUS217          0x0004
 953 #define ATH9K_PCI_CUS252          0x0008
 954 #define ATH9K_PCI_WOW             0x0010
 955 #define ATH9K_PCI_BT_ANT_DIV      0x0020
 956 #define ATH9K_PCI_D3_L1_WAR       0x0040
 957 #define ATH9K_PCI_AR9565_1ANT     0x0080
 958 #define ATH9K_PCI_AR9565_2ANT     0x0100
 959 #define ATH9K_PCI_NO_PLL_PWRSAVE  0x0200
 960 #define ATH9K_PCI_KILLER          0x0400
 961 #define ATH9K_PCI_LED_ACT_HI      0x0800
 962 
 963 /*
 964  * Default cache line size, in bytes.
 965  * Used when PCI device not fully initialized by bootrom/BIOS
 966 */
 967 #define DEFAULT_CACHELINE       32
 968 #define ATH_CABQ_READY_TIME     80      /* % of beacon interval */
 969 #define ATH_TXPOWER_MAX         100     /* .5 dBm units */
 970 #define MAX_GTT_CNT             5
 971 
 972 /* Powersave flags */
 973 #define PS_WAIT_FOR_BEACON        BIT(0)
 974 #define PS_WAIT_FOR_CAB           BIT(1)
 975 #define PS_WAIT_FOR_PSPOLL_DATA   BIT(2)
 976 #define PS_WAIT_FOR_TX_ACK        BIT(3)
 977 #define PS_BEACON_SYNC            BIT(4)
 978 #define PS_WAIT_FOR_ANI           BIT(5)
 979 
 980 #define ATH9K_NUM_CHANCTX  2 /* supports 2 operating channels */
 981 
 982 struct ath_softc {
 983         struct ieee80211_hw *hw;
 984         struct device *dev;
 985 
 986         struct survey_info *cur_survey;
 987         struct survey_info survey[ATH9K_NUM_CHANNELS];
 988 
 989         spinlock_t intr_lock;
 990         struct tasklet_struct intr_tq;
 991         struct tasklet_struct bcon_tasklet;
 992         struct ath_hw *sc_ah;
 993         void __iomem *mem;
 994         int irq;
 995         spinlock_t sc_serial_rw;
 996         spinlock_t sc_pm_lock;
 997         spinlock_t sc_pcu_lock;
 998         struct mutex mutex;
 999         struct work_struct paprd_work;
1000         struct work_struct hw_reset_work;
1001         struct completion paprd_complete;
1002         wait_queue_head_t tx_wait;
1003 
1004 #ifdef CONFIG_ATH9K_CHANNEL_CONTEXT
1005         struct work_struct chanctx_work;
1006         struct ath_gen_timer *p2p_ps_timer;
1007         struct ath_vif *p2p_ps_vif;
1008         struct ath_chanctx_sched sched;
1009         struct ath_offchannel offchannel;
1010         struct ath_chanctx *next_chan;
1011         struct completion go_beacon;
1012         struct timespec64 last_event_time;
1013 #endif
1014 
1015         unsigned long driver_data;
1016 
1017         u8 gtt_cnt;
1018         u32 intrstatus;
1019         u16 ps_flags; /* PS_* */
1020         bool ps_enabled;
1021         bool ps_idle;
1022         short nbcnvifs;
1023         unsigned long ps_usecount;
1024 
1025         struct ath_rx rx;
1026         struct ath_tx tx;
1027         struct ath_beacon beacon;
1028 
1029         struct cfg80211_chan_def cur_chandef;
1030         struct ath_chanctx chanctx[ATH9K_NUM_CHANCTX];
1031         struct ath_chanctx *cur_chan;
1032         spinlock_t chan_lock;
1033 
1034 #ifdef CONFIG_MAC80211_LEDS
1035         bool led_registered;
1036         char led_name[32];
1037         struct led_classdev led_cdev;
1038 #endif
1039 
1040 #ifdef CONFIG_ATH9K_DEBUGFS
1041         struct ath9k_debug debug;
1042 #endif
1043         struct delayed_work hw_check_work;
1044         struct delayed_work hw_pll_work;
1045         struct timer_list sleep_timer;
1046 
1047 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
1048         struct ath_btcoex btcoex;
1049         struct ath_mci_coex mci_coex;
1050         struct work_struct mci_work;
1051 #endif
1052 
1053         struct ath_descdma txsdma;
1054 
1055         struct ath_ant_comb ant_comb;
1056         u8 ant_tx, ant_rx;
1057         struct dfs_pattern_detector *dfs_detector;
1058         u64 dfs_prev_pulse_ts;
1059         u32 wow_enabled;
1060 
1061         struct ath_spec_scan_priv spec_priv;
1062 
1063         struct ieee80211_vif *tx99_vif;
1064         struct sk_buff *tx99_skb;
1065         bool tx99_state;
1066         s16 tx99_power;
1067 
1068 #ifdef CONFIG_ATH9K_WOW
1069         u32 wow_intr_before_sleep;
1070         bool force_wow;
1071 #endif
1072 
1073 #ifdef CONFIG_ATH9K_HWRNG
1074         u32 rng_last;
1075         struct task_struct *rng_task;
1076 #endif
1077 };
1078 
1079 /********/
1080 /* TX99 */
1081 /********/
1082 
1083 #ifdef CONFIG_ATH9K_TX99
1084 void ath9k_tx99_init_debug(struct ath_softc *sc);
1085 int ath9k_tx99_send(struct ath_softc *sc, struct sk_buff *skb,
1086                     struct ath_tx_control *txctl);
1087 #else
1088 static inline void ath9k_tx99_init_debug(struct ath_softc *sc)
1089 {
1090 }
1091 static inline int ath9k_tx99_send(struct ath_softc *sc,
1092                                   struct sk_buff *skb,
1093                                   struct ath_tx_control *txctl)
1094 {
1095         return 0;
1096 }
1097 #endif /* CONFIG_ATH9K_TX99 */
1098 
1099 /***************************/
1100 /* Random Number Generator */
1101 /***************************/
1102 #ifdef CONFIG_ATH9K_HWRNG
1103 void ath9k_rng_start(struct ath_softc *sc);
1104 void ath9k_rng_stop(struct ath_softc *sc);
1105 #else
1106 static inline void ath9k_rng_start(struct ath_softc *sc)
1107 {
1108 }
1109 
1110 static inline void ath9k_rng_stop(struct ath_softc *sc)
1111 {
1112 }
1113 #endif
1114 
1115 static inline void ath_read_cachesize(struct ath_common *common, int *csz)
1116 {
1117         common->bus_ops->read_cachesize(common, csz);
1118 }
1119 
1120 void ath9k_tasklet(unsigned long data);
1121 int ath_cabq_update(struct ath_softc *);
1122 u8 ath9k_parse_mpdudensity(u8 mpdudensity);
1123 irqreturn_t ath_isr(int irq, void *dev);
1124 int ath_reset(struct ath_softc *sc, struct ath9k_channel *hchan);
1125 void ath_cancel_work(struct ath_softc *sc);
1126 void ath_restart_work(struct ath_softc *sc);
1127 int ath9k_init_device(u16 devid, struct ath_softc *sc,
1128                     const struct ath_bus_ops *bus_ops);
1129 void ath9k_deinit_device(struct ath_softc *sc);
1130 void ath9k_reload_chainmask_settings(struct ath_softc *sc);
1131 u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate);
1132 void ath_start_rfkill_poll(struct ath_softc *sc);
1133 void ath9k_rfkill_poll_state(struct ieee80211_hw *hw);
1134 void ath9k_ps_wakeup(struct ath_softc *sc);
1135 void ath9k_ps_restore(struct ath_softc *sc);
1136 
1137 #ifdef CONFIG_ATH9K_PCI
1138 int ath_pci_init(void);
1139 void ath_pci_exit(void);
1140 #else
1141 static inline int ath_pci_init(void) { return 0; };
1142 static inline void ath_pci_exit(void) {};
1143 #endif
1144 
1145 #ifdef CONFIG_ATH9K_AHB
1146 int ath_ahb_init(void);
1147 void ath_ahb_exit(void);
1148 #else
1149 static inline int ath_ahb_init(void) { return 0; };
1150 static inline void ath_ahb_exit(void) {};
1151 #endif
1152 
1153 #endif /* ATH9K_H */
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/net/wireless/ath/ath9k/ath9k.h

INCLUDED FROM

DEFINITIONS
