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OpenCloudOS-Kernel/drivers/net/wireless/ath/ath9k/ath9k.h

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/*
* Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef ATH9K_H
#define ATH9K_H
#include <linux/etherdevice.h>
#include <linux/device.h>
#include <linux/leds.h>
#include <linux/completion.h>
#include "debug.h"
#include "common.h"
/*
* Header for the ath9k.ko driver core *only* -- hw code nor any other driver
* should rely on this file or its contents.
*/
struct ath_node;
/* Macro to expand scalars to 64-bit objects */
#define ito64(x) (sizeof(x) == 1) ? \
(((unsigned long long int)(x)) & (0xff)) : \
(sizeof(x) == 2) ? \
(((unsigned long long int)(x)) & 0xffff) : \
((sizeof(x) == 4) ? \
(((unsigned long long int)(x)) & 0xffffffff) : \
(unsigned long long int)(x))
/* increment with wrap-around */
#define INCR(_l, _sz) do { \
(_l)++; \
(_l) &= ((_sz) - 1); \
} while (0)
/* decrement with wrap-around */
#define DECR(_l, _sz) do { \
(_l)--; \
(_l) &= ((_sz) - 1); \
} while (0)
#define A_MAX(a, b) ((a) > (b) ? (a) : (b))
#define TSF_TO_TU(_h,_l) \
((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
#define ATH_TXQ_SETUP(sc, i) ((sc)->tx.txqsetup & (1<<i))
struct ath_config {
u32 ath_aggr_prot;
u16 txpowlimit;
u8 cabqReadytime;
};
/*************************/
/* Descriptor Management */
/*************************/
#define ATH_TXBUF_RESET(_bf) do { \
(_bf)->bf_stale = false; \
(_bf)->bf_lastbf = NULL; \
(_bf)->bf_next = NULL; \
memset(&((_bf)->bf_state), 0, \
sizeof(struct ath_buf_state)); \
} while (0)
#define ATH_RXBUF_RESET(_bf) do { \
(_bf)->bf_stale = false; \
} while (0)
/**
* enum buffer_type - Buffer type flags
*
* @BUF_HT: Send this buffer using HT capabilities
* @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX)
* @BUF_AGGR: Indicates whether the buffer can be aggregated
* (used in aggregation scheduling)
* @BUF_RETRY: Indicates whether the buffer is retried
* @BUF_XRETRY: To denote excessive retries of the buffer
*/
enum buffer_type {
BUF_HT = BIT(1),
BUF_AMPDU = BIT(2),
BUF_AGGR = BIT(3),
BUF_RETRY = BIT(4),
BUF_XRETRY = BIT(5),
};
#define bf_nframes bf_state.bfs_nframes
#define bf_al bf_state.bfs_al
#define bf_frmlen bf_state.bfs_frmlen
#define bf_retries bf_state.bfs_retries
#define bf_seqno bf_state.bfs_seqno
#define bf_tidno bf_state.bfs_tidno
#define bf_keyix bf_state.bfs_keyix
#define bf_keytype bf_state.bfs_keytype
#define bf_isht(bf) (bf->bf_state.bf_type & BUF_HT)
#define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU)
#define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR)
#define bf_isretried(bf) (bf->bf_state.bf_type & BUF_RETRY)
#define bf_isxretried(bf) (bf->bf_state.bf_type & BUF_XRETRY)
#define ATH_TXSTATUS_RING_SIZE 64
struct ath_descdma {
void *dd_desc;
dma_addr_t dd_desc_paddr;
u32 dd_desc_len;
struct ath_buf *dd_bufptr;
};
int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
struct list_head *head, const char *name,
int nbuf, int ndesc, bool is_tx);
void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd,
struct list_head *head);
/***********/
/* RX / TX */
/***********/
#define ATH_MAX_ANTENNA 3
#define ATH_RXBUF 512
#define ATH_TXBUF 512
#define ATH_TXBUF_RESERVE 5
#define ATH_MAX_QDEPTH (ATH_TXBUF / 4 - ATH_TXBUF_RESERVE)
#define ATH_TXMAXTRY 13
#define ATH_MGT_TXMAXTRY 4
#define TID_TO_WME_AC(_tid) \
((((_tid) == 0) || ((_tid) == 3)) ? WME_AC_BE : \
(((_tid) == 1) || ((_tid) == 2)) ? WME_AC_BK : \
(((_tid) == 4) || ((_tid) == 5)) ? WME_AC_VI : \
WME_AC_VO)
#define ADDBA_EXCHANGE_ATTEMPTS 10
#define ATH_AGGR_DELIM_SZ 4
#define ATH_AGGR_MINPLEN 256 /* in bytes, minimum packet length */
/* number of delimiters for encryption padding */
#define ATH_AGGR_ENCRYPTDELIM 10
/* minimum h/w qdepth to be sustained to maximize aggregation */
#define ATH_AGGR_MIN_QDEPTH 2
#define ATH_AMPDU_SUBFRAME_DEFAULT 32
#define IEEE80211_SEQ_SEQ_SHIFT 4
#define IEEE80211_SEQ_MAX 4096
#define IEEE80211_WEP_IVLEN 3
#define IEEE80211_WEP_KIDLEN 1
#define IEEE80211_WEP_CRCLEN 4
#define IEEE80211_MAX_MPDU_LEN (3840 + FCS_LEN + \
(IEEE80211_WEP_IVLEN + \
IEEE80211_WEP_KIDLEN + \
IEEE80211_WEP_CRCLEN))
/* return whether a bit at index _n in bitmap _bm is set
* _sz is the size of the bitmap */
#define ATH_BA_ISSET(_bm, _n) (((_n) < (WME_BA_BMP_SIZE)) && \
((_bm)[(_n) >> 5] & (1 << ((_n) & 31))))
/* return block-ack bitmap index given sequence and starting sequence */
#define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1))
/* returns delimiter padding required given the packet length */
#define ATH_AGGR_GET_NDELIM(_len) \
(((((_len) + ATH_AGGR_DELIM_SZ) < ATH_AGGR_MINPLEN) ? \
(ATH_AGGR_MINPLEN - (_len) - ATH_AGGR_DELIM_SZ) : 0) >> 2)
#define BAW_WITHIN(_start, _bawsz, _seqno) \
((((_seqno) - (_start)) & 4095) < (_bawsz))
#define ATH_AN_2_TID(_an, _tidno) (&(_an)->tid[(_tidno)])
#define ATH_TX_COMPLETE_POLL_INT 1000
enum ATH_AGGR_STATUS {
ATH_AGGR_DONE,
ATH_AGGR_BAW_CLOSED,
ATH_AGGR_LIMITED,
};
#define ATH_TXFIFO_DEPTH 8
struct ath_txq {
int axq_class;
u32 axq_qnum;
u32 *axq_link;
struct list_head axq_q;
spinlock_t axq_lock;
u32 axq_depth;
bool stopped;
bool axq_tx_inprogress;
struct list_head axq_acq;
struct list_head txq_fifo[ATH_TXFIFO_DEPTH];
struct list_head txq_fifo_pending;
u8 txq_headidx;
u8 txq_tailidx;
};
struct ath_atx_ac {
int sched;
int qnum;
struct list_head list;
struct list_head tid_q;
};
struct ath_buf_state {
int bfs_nframes;
u16 bfs_al;
u16 bfs_frmlen;
int bfs_seqno;
int bfs_tidno;
int bfs_retries;
u8 bf_type;
u8 bfs_paprd;
unsigned long bfs_paprd_timestamp;
u32 bfs_keyix;
enum ath9k_key_type bfs_keytype;
};
struct ath_buf {
struct list_head list;
struct ath_buf *bf_lastbf; /* last buf of this unit (a frame or
an aggregate) */
struct ath_buf *bf_next; /* next subframe in the aggregate */
struct sk_buff *bf_mpdu; /* enclosing frame structure */
void *bf_desc; /* virtual addr of desc */
dma_addr_t bf_daddr; /* physical addr of desc */
dma_addr_t bf_buf_addr; /* physical addr of data buffer */
bool bf_stale;
bool bf_isnullfunc;
bool bf_tx_aborted;
u16 bf_flags;
struct ath_buf_state bf_state;
dma_addr_t bf_dmacontext;
struct ath_wiphy *aphy;
};
struct ath_atx_tid {
struct list_head list;
struct list_head buf_q;
struct ath_node *an;
struct ath_atx_ac *ac;
struct ath_buf *tx_buf[ATH_TID_MAX_BUFS];
u16 seq_start;
u16 seq_next;
u16 baw_size;
int tidno;
int baw_head; /* first un-acked tx buffer */
int baw_tail; /* next unused tx buffer slot */
int sched;
int paused;
u8 state;
};
struct ath_node {
struct ath_common *common;
struct ath_atx_tid tid[WME_NUM_TID];
struct ath_atx_ac ac[WME_NUM_AC];
u16 maxampdu;
u8 mpdudensity;
int last_rssi;
};
#define AGGR_CLEANUP BIT(1)
#define AGGR_ADDBA_COMPLETE BIT(2)
#define AGGR_ADDBA_PROGRESS BIT(3)
struct ath_tx_control {
struct ath_txq *txq;
int if_id;
enum ath9k_internal_frame_type frame_type;
u8 paprd;
};
#define ATH_TX_ERROR 0x01
#define ATH_TX_XRETRY 0x02
#define ATH_TX_BAR 0x04
struct ath_tx {
u16 seq_no;
u32 txqsetup;
int hwq_map[WME_NUM_AC];
spinlock_t txbuflock;
struct list_head txbuf;
struct ath_txq txq[ATH9K_NUM_TX_QUEUES];
struct ath_descdma txdma;
int pending_frames[WME_NUM_AC];
};
struct ath_rx_edma {
struct sk_buff_head rx_fifo;
struct sk_buff_head rx_buffers;
u32 rx_fifo_hwsize;
};
struct ath_rx {
u8 defant;
u8 rxotherant;
u32 *rxlink;
unsigned int rxfilter;
spinlock_t rxflushlock;
spinlock_t rxbuflock;
struct list_head rxbuf;
struct ath_descdma rxdma;
struct ath_buf *rx_bufptr;
struct ath_rx_edma rx_edma[ATH9K_RX_QUEUE_MAX];
};
int ath_startrecv(struct ath_softc *sc);
bool ath_stoprecv(struct ath_softc *sc);
void ath_flushrecv(struct ath_softc *sc);
u32 ath_calcrxfilter(struct ath_softc *sc);
int ath_rx_init(struct ath_softc *sc, int nbufs);
void ath_rx_cleanup(struct ath_softc *sc);
int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp);
struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype);
void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq);
int ath_tx_setup(struct ath_softc *sc, int haltype);
void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx);
void ath_draintxq(struct ath_softc *sc,
struct ath_txq *txq, bool retry_tx);
void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an);
void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an);
void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq);
int ath_tx_init(struct ath_softc *sc, int nbufs);
void ath_tx_cleanup(struct ath_softc *sc);
int ath_txq_update(struct ath_softc *sc, int qnum,
struct ath9k_tx_queue_info *q);
int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
struct ath_tx_control *txctl);
void ath_tx_tasklet(struct ath_softc *sc);
void ath_tx_edma_tasklet(struct ath_softc *sc);
void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb);
bool ath_tx_aggr_check(struct ath_softc *sc, struct ath_node *an, u8 tidno);
void ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
u16 tid, u16 *ssn);
void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
void ath9k_enable_ps(struct ath_softc *sc);
/********/
/* VIFs */
/********/
struct ath_vif {
int av_bslot;
__le64 tsf_adjust; /* TSF adjustment for staggered beacons */
enum nl80211_iftype av_opmode;
struct ath_buf *av_bcbuf;
struct ath_tx_control av_btxctl;
u8 bssid[ETH_ALEN]; /* current BSSID from config_interface */
};
/*******************/
/* Beacon Handling */
/*******************/
/*
* Regardless of the number of beacons we stagger, (i.e. regardless of the
* number of BSSIDs) if a given beacon does not go out even after waiting this
* number of beacon intervals, the game's up.
*/
#define BSTUCK_THRESH (9 * ATH_BCBUF)
#define ATH_BCBUF 4
#define ATH_DEFAULT_BINTVAL 100 /* TU */
#define ATH_DEFAULT_BMISS_LIMIT 10
#define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024)
struct ath_beacon_config {
u16 beacon_interval;
u16 listen_interval;
u16 dtim_period;
u16 bmiss_timeout;
u8 dtim_count;
};
struct ath_beacon {
enum {
OK, /* no change needed */
UPDATE, /* update pending */
COMMIT /* beacon sent, commit change */
} updateslot; /* slot time update fsm */
u32 beaconq;
u32 bmisscnt;
u32 ast_be_xmit;
u64 bc_tstamp;
struct ieee80211_vif *bslot[ATH_BCBUF];
struct ath_wiphy *bslot_aphy[ATH_BCBUF];
int slottime;
int slotupdate;
struct ath9k_tx_queue_info beacon_qi;
struct ath_descdma bdma;
struct ath_txq *cabq;
struct list_head bbuf;
};
void ath_beacon_tasklet(unsigned long data);
void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif);
int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif);
void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp);
int ath_beaconq_config(struct ath_softc *sc);
/*******/
/* ANI */
/*******/
#define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */
#define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */
#define ATH_ANI_POLLINTERVAL_OLD 100 /* 100 ms */
#define ATH_ANI_POLLINTERVAL_NEW 1000 /* 1000 ms */
#define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */
#define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */
#define ATH_PAPRD_TIMEOUT 100 /* msecs */
void ath_hw_check(struct work_struct *work);
void ath_paprd_calibrate(struct work_struct *work);
void ath_ani_calibrate(unsigned long data);
/**********/
/* BTCOEX */
/**********/
/* Defines the BT AR_BT_COEX_WGHT used */
enum ath_stomp_type {
ATH_BTCOEX_NO_STOMP,
ATH_BTCOEX_STOMP_ALL,
ATH_BTCOEX_STOMP_LOW,
ATH_BTCOEX_STOMP_NONE
};
struct ath_btcoex {
bool hw_timer_enabled;
spinlock_t btcoex_lock;
struct timer_list period_timer; /* Timer for BT period */
u32 bt_priority_cnt;
unsigned long bt_priority_time;
int bt_stomp_type; /* Types of BT stomping */
u32 btcoex_no_stomp; /* in usec */
u32 btcoex_period; /* in usec */
u32 btscan_no_stomp; /* in usec */
struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */
};
int ath_init_btcoex_timer(struct ath_softc *sc);
void ath9k_btcoex_timer_resume(struct ath_softc *sc);
void ath9k_btcoex_timer_pause(struct ath_softc *sc);
/********************/
/* LED Control */
/********************/
#define ATH_LED_PIN_DEF 1
#define ATH_LED_PIN_9287 8
#define ATH_LED_ON_DURATION_IDLE 350 /* in msecs */
#define ATH_LED_OFF_DURATION_IDLE 250 /* in msecs */
enum ath_led_type {
ATH_LED_RADIO,
ATH_LED_ASSOC,
ATH_LED_TX,
ATH_LED_RX
};
struct ath_led {
struct ath_softc *sc;
struct led_classdev led_cdev;
enum ath_led_type led_type;
char name[32];
bool registered;
};
void ath_init_leds(struct ath_softc *sc);
void ath_deinit_leds(struct ath_softc *sc);
/********************/
/* Main driver core */
/********************/
/*
* Default cache line size, in bytes.
* Used when PCI device not fully initialized by bootrom/BIOS
*/
#define DEFAULT_CACHELINE 32
#define ATH_REGCLASSIDS_MAX 10
#define ATH_CABQ_READY_TIME 80 /* % of beacon interval */
#define ATH_MAX_SW_RETRIES 10
#define ATH_CHAN_MAX 255
#define IEEE80211_WEP_NKID 4 /* number of key ids */
#define ATH_TXPOWER_MAX 100 /* .5 dBm units */
#define ATH_RATE_DUMMY_MARKER 0
#define SC_OP_INVALID BIT(0)
#define SC_OP_BEACONS BIT(1)
#define SC_OP_RXAGGR BIT(2)
#define SC_OP_TXAGGR BIT(3)
#define SC_OP_OFFCHANNEL BIT(4)
#define SC_OP_PREAMBLE_SHORT BIT(5)
#define SC_OP_PROTECT_ENABLE BIT(6)
#define SC_OP_RXFLUSH BIT(7)
#define SC_OP_LED_ASSOCIATED BIT(8)
#define SC_OP_LED_ON BIT(9)
#define SC_OP_SCANNING BIT(10)
#define SC_OP_TSF_RESET BIT(11)
#define SC_OP_BT_PRIORITY_DETECTED BIT(12)
#define SC_OP_BT_SCAN BIT(13)
#define SC_OP_ANI_RUN BIT(14)
/* Powersave flags */
#define PS_WAIT_FOR_BEACON BIT(0)
#define PS_WAIT_FOR_CAB BIT(1)
#define PS_WAIT_FOR_PSPOLL_DATA BIT(2)
#define PS_WAIT_FOR_TX_ACK BIT(3)
#define PS_BEACON_SYNC BIT(4)
#define PS_NULLFUNC_COMPLETED BIT(5)
#define PS_ENABLED BIT(6)
struct ath_wiphy;
struct ath_rate_table;
struct ath_softc {
struct ieee80211_hw *hw;
struct device *dev;
spinlock_t wiphy_lock; /* spinlock to protect ath_wiphy data */
struct ath_wiphy *pri_wiphy;
struct ath_wiphy **sec_wiphy; /* secondary wiphys (virtual radios); may
* have NULL entries */
int num_sec_wiphy; /* number of sec_wiphy pointers in the array */
int chan_idx;
int chan_is_ht;
struct ath_wiphy *next_wiphy;
struct work_struct chan_work;
int wiphy_select_failures;
unsigned long wiphy_select_first_fail;
struct delayed_work wiphy_work;
unsigned long wiphy_scheduler_int;
int wiphy_scheduler_index;
struct tasklet_struct intr_tq;
struct tasklet_struct bcon_tasklet;
struct ath_hw *sc_ah;
void __iomem *mem;
int irq;
spinlock_t sc_resetlock;
spinlock_t sc_serial_rw;
spinlock_t sc_pm_lock;
struct mutex mutex;
struct work_struct paprd_work;
struct work_struct hw_check_work;
struct completion paprd_complete;
u32 intrstatus;
u32 sc_flags; /* SC_OP_* */
u16 ps_flags; /* PS_* */
u16 curtxpow;
u8 nbcnvifs;
u16 nvifs;
bool ps_enabled;
bool ps_idle;
unsigned long ps_usecount;
struct ath_config config;
struct ath_rx rx;
struct ath_tx tx;
struct ath_beacon beacon;
const struct ath_rate_table *cur_rate_table;
enum wireless_mode cur_rate_mode;
struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
struct ath_led radio_led;
struct ath_led assoc_led;
struct ath_led tx_led;
struct ath_led rx_led;
struct delayed_work ath_led_blink_work;
int led_on_duration;
int led_off_duration;
int led_on_cnt;
int led_off_cnt;
int beacon_interval;
#ifdef CONFIG_ATH9K_DEBUGFS
struct ath9k_debug debug;
#endif
struct ath_beacon_config cur_beacon_conf;
struct delayed_work tx_complete_work;
struct ath_btcoex btcoex;
struct ath_descdma txsdma;
};
struct ath_wiphy {
struct ath_softc *sc; /* shared for all virtual wiphys */
struct ieee80211_hw *hw;
struct ath9k_hw_cal_data caldata;
enum ath_wiphy_state {
ATH_WIPHY_INACTIVE,
ATH_WIPHY_ACTIVE,
ATH_WIPHY_PAUSING,
ATH_WIPHY_PAUSED,
ATH_WIPHY_SCAN,
} state;
bool idle;
int chan_idx;
int chan_is_ht;
};
void ath9k_tasklet(unsigned long data);
int ath_reset(struct ath_softc *sc, bool retry_tx);
int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc);
int ath_cabq_update(struct ath_softc *);
static inline void ath_read_cachesize(struct ath_common *common, int *csz)
{
common->bus_ops->read_cachesize(common, csz);
}
extern struct ieee80211_ops ath9k_ops;
extern int modparam_nohwcrypt;
extern int led_blink;
irqreturn_t ath_isr(int irq, void *dev);
int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
const struct ath_bus_ops *bus_ops);
void ath9k_deinit_device(struct ath_softc *sc);
void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw);
void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw,
struct ath9k_channel *ichan);
void ath_update_chainmask(struct ath_softc *sc, int is_ht);
int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
struct ath9k_channel *hchan);
void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw);
void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw);
bool ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode);
#ifdef CONFIG_PCI
int ath_pci_init(void);
void ath_pci_exit(void);
#else
static inline int ath_pci_init(void) { return 0; };
static inline void ath_pci_exit(void) {};
#endif
#ifdef CONFIG_ATHEROS_AR71XX
int ath_ahb_init(void);
void ath_ahb_exit(void);
#else
static inline int ath_ahb_init(void) { return 0; };
static inline void ath_ahb_exit(void) {};
#endif
void ath9k_ps_wakeup(struct ath_softc *sc);
void ath9k_ps_restore(struct ath_softc *sc);
void ath9k_set_bssid_mask(struct ieee80211_hw *hw);
int ath9k_wiphy_add(struct ath_softc *sc);
int ath9k_wiphy_del(struct ath_wiphy *aphy);
void ath9k_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb);
int ath9k_wiphy_pause(struct ath_wiphy *aphy);
int ath9k_wiphy_unpause(struct ath_wiphy *aphy);
int ath9k_wiphy_select(struct ath_wiphy *aphy);
void ath9k_wiphy_set_scheduler(struct ath_softc *sc, unsigned int msec_int);
void ath9k_wiphy_chan_work(struct work_struct *work);
bool ath9k_wiphy_started(struct ath_softc *sc);
void ath9k_wiphy_pause_all_forced(struct ath_softc *sc,
struct ath_wiphy *selected);
bool ath9k_wiphy_scanning(struct ath_softc *sc);
void ath9k_wiphy_work(struct work_struct *work);
bool ath9k_all_wiphys_idle(struct ath_softc *sc);
void ath9k_set_wiphy_idle(struct ath_wiphy *aphy, bool idle);
void ath_mac80211_stop_queue(struct ath_softc *sc, u16 skb_queue);
bool ath_mac80211_start_queue(struct ath_softc *sc, u16 skb_queue);
void ath_start_rfkill_poll(struct ath_softc *sc);
extern void ath9k_rfkill_poll_state(struct ieee80211_hw *hw);
#endif /* ATH9K_H */
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