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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ath9k.h')
-rw-r--r--drivers/net/wireless/ath/ath9k/ath9k.h215
1 files changed, 44 insertions, 171 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 1d59f10f68d..e2cef2ff5d8 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -19,14 +19,15 @@
#include <linux/etherdevice.h>
#include <linux/device.h>
-#include <net/mac80211.h>
#include <linux/leds.h>
-#include "hw.h"
-#include "rc.h"
#include "debug.h"
-#include "../ath.h"
-#include "btcoex.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;
@@ -54,15 +55,11 @@ struct ath_node;
#define A_MAX(a, b) ((a) > (b) ? (a) : (b))
-#define ASSERT(exp) BUG_ON(!(exp))
-
#define TSF_TO_TU(_h,_l) \
((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
#define ATH_TXQ_SETUP(sc, i) ((sc)->tx.txqsetup & (1<<i))
-static const u8 ath_bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
-
struct ath_config {
u32 ath_aggr_prot;
u16 txpowlimit;
@@ -103,18 +100,6 @@ enum buffer_type {
BUF_XRETRY = BIT(5),
};
-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;
- u32 bfs_keyix;
- enum ath9k_key_type bfs_keytype;
-};
-
#define bf_nframes bf_state.bfs_nframes
#define bf_al bf_state.bfs_al
#define bf_frmlen bf_state.bfs_frmlen
@@ -129,21 +114,6 @@ struct ath_buf_state {
#define bf_isretried(bf) (bf->bf_state.bf_type & BUF_RETRY)
#define bf_isxretried(bf) (bf->bf_state.bf_type & BUF_XRETRY)
-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 */
- struct ath_desc *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;
- u16 bf_flags;
- struct ath_buf_state bf_state;
- dma_addr_t bf_dmacontext;
-};
-
struct ath_descdma {
struct ath_desc *dd_desc;
dma_addr_t dd_desc_paddr;
@@ -163,13 +133,9 @@ void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd,
#define ATH_MAX_ANTENNA 3
#define ATH_RXBUF 512
-#define WME_NUM_TID 16
#define ATH_TXBUF 512
#define ATH_TXMAXTRY 13
#define ATH_MGT_TXMAXTRY 4
-#define WME_BA_BMP_SIZE 64
-#define WME_MAX_BA WME_BA_BMP_SIZE
-#define ATH_TID_MAX_BUFS (2 * WME_MAX_BA)
#define TID_TO_WME_AC(_tid) \
((((_tid) == 0) || ((_tid) == 3)) ? WME_AC_BE : \
@@ -177,12 +143,6 @@ void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd,
(((_tid) == 4) || ((_tid) == 5)) ? WME_AC_VI : \
WME_AC_VO)
-#define WME_AC_BE 0
-#define WME_AC_BK 1
-#define WME_AC_VI 2
-#define WME_AC_VO 3
-#define WME_NUM_AC 4
-
#define ADDBA_EXCHANGE_ATTEMPTS 10
#define ATH_AGGR_DELIM_SZ 4
#define ATH_AGGR_MINPLEN 256 /* in bytes, minimum packet length */
@@ -191,7 +151,6 @@ void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd,
/* minimum h/w qdepth to be sustained to maximize aggregation */
#define ATH_AGGR_MIN_QDEPTH 2
#define ATH_AMPDU_SUBFRAME_DEFAULT 32
-#define ATH_AMPDU_LIMIT_MAX (64 * 1024 - 1)
#define IEEE80211_SEQ_SEQ_SHIFT 4
#define IEEE80211_SEQ_MAX 4096
@@ -238,18 +197,8 @@ struct ath_txq {
struct list_head axq_q;
spinlock_t axq_lock;
u32 axq_depth;
- u8 axq_aggr_depth;
bool stopped;
bool axq_tx_inprogress;
- struct ath_buf *axq_linkbuf;
-
- /* first desc of the last descriptor that contains CTS */
- struct ath_desc *axq_lastdsWithCTS;
-
- /* final desc of the gating desc that determines whether
- lastdsWithCTS has been DMA'ed or not */
- struct ath_desc *axq_gatingds;
-
struct list_head axq_acq;
};
@@ -257,30 +206,6 @@ struct ath_txq {
#define AGGR_ADDBA_COMPLETE BIT(2)
#define AGGR_ADDBA_PROGRESS BIT(3)
-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_atx_ac {
- int sched;
- int qnum;
- struct list_head list;
- struct list_head tid_q;
-};
-
struct ath_tx_control {
struct ath_txq *txq;
int if_id;
@@ -291,30 +216,6 @@ struct ath_tx_control {
#define ATH_TX_XRETRY 0x02
#define ATH_TX_BAR 0x04
-#define ATH_RSSI_LPF_LEN 10
-#define RSSI_LPF_THRESHOLD -20
-#define ATH9K_RSSI_BAD 0x80
-#define ATH_RSSI_EP_MULTIPLIER (1<<7)
-#define ATH_EP_MUL(x, mul) ((x) * (mul))
-#define ATH_RSSI_IN(x) (ATH_EP_MUL((x), ATH_RSSI_EP_MULTIPLIER))
-#define ATH_LPF_RSSI(x, y, len) \
- ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))
-#define ATH_RSSI_LPF(x, y) do { \
- if ((y) >= RSSI_LPF_THRESHOLD) \
- x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN); \
-} while (0)
-#define ATH_EP_RND(x, mul) \
- ((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
-
-struct ath_node {
- struct ath_softc *an_sc;
- struct ath_atx_tid tid[WME_NUM_TID];
- struct ath_atx_ac ac[WME_NUM_AC];
- u16 maxampdu;
- u8 mpdudensity;
- int last_rssi;
-};
-
struct ath_tx {
u16 seq_no;
u32 txqsetup;
@@ -329,7 +230,6 @@ struct ath_rx {
u8 defant;
u8 rxotherant;
u32 *rxlink;
- int bufsize;
unsigned int rxfilter;
spinlock_t rxflushlock;
spinlock_t rxbuflock;
@@ -427,9 +327,9 @@ struct ath_beacon {
void ath_beacon_tasklet(unsigned long data);
void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif);
-int ath_beaconq_setup(struct ath_hw *ah);
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 */
@@ -441,14 +341,24 @@ void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp);
#define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */
#define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */
-struct ath_ani {
- bool caldone;
- int16_t noise_floor;
- unsigned int longcal_timer;
- unsigned int shortcal_timer;
- unsigned int resetcal_timer;
- unsigned int checkani_timer;
- struct timer_list timer;
+/* 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 */
+ struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */
};
/********************/
@@ -484,25 +394,13 @@ struct ath_led {
* Used when PCI device not fully initialized by bootrom/BIOS
*/
#define DEFAULT_CACHELINE 32
-#define ATH_DEFAULT_NOISE_FLOOR -95
#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 */
-/*
- * The key cache is used for h/w cipher state and also for
- * tracking station state such as the current tx antenna.
- * We also setup a mapping table between key cache slot indices
- * and station state to short-circuit node lookups on rx.
- * Different parts have different size key caches. We handle
- * up to ATH_KEYMAX entries (could dynamically allocate state).
- */
-#define ATH_KEYMAX 128 /* max key cache size we handle */
-
#define ATH_TXPOWER_MAX 100 /* .5 dBm units */
-#define ATH_RSSI_DUMMY_MARKER 0x127
#define ATH_RATE_DUMMY_MARKER 0
#define SC_OP_INVALID BIT(0)
@@ -522,23 +420,17 @@ struct ath_led {
#define SC_OP_WAIT_FOR_PSPOLL_DATA BIT(17)
#define SC_OP_WAIT_FOR_TX_ACK BIT(18)
#define SC_OP_BEACON_SYNC BIT(19)
-#define SC_OP_BTCOEX_ENABLED BIT(20)
#define SC_OP_BT_PRIORITY_DETECTED BIT(21)
-
-struct ath_bus_ops {
- void (*read_cachesize)(struct ath_softc *sc, int *csz);
- void (*cleanup)(struct ath_softc *sc);
- bool (*eeprom_read)(struct ath_hw *ah, u32 off, u16 *data);
-};
+#define SC_OP_NULLFUNC_COMPLETED BIT(22)
+#define SC_OP_PS_ENABLED BIT(23)
struct ath_wiphy;
+struct ath_rate_table;
struct ath_softc {
struct ieee80211_hw *hw;
struct device *dev;
- struct ath_common common;
-
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
@@ -565,32 +457,21 @@ struct ath_softc {
spinlock_t sc_pm_lock;
struct mutex mutex;
- u8 curbssid[ETH_ALEN];
- u8 bssidmask[ETH_ALEN];
u32 intrstatus;
u32 sc_flags; /* SC_OP_* */
u16 curtxpow;
- u16 curaid;
u8 nbcnvifs;
u16 nvifs;
- u8 tx_chainmask;
- u8 rx_chainmask;
- u32 keymax;
- DECLARE_BITMAP(keymap, ATH_KEYMAX);
- u8 splitmic;
bool ps_enabled;
unsigned long ps_usecount;
enum ath9k_int imask;
- enum ath9k_ht_extprotspacing ht_extprotspacing;
- enum ath9k_ht_macmode tx_chan_width;
struct ath_config config;
struct ath_rx rx;
struct ath_tx tx;
struct ath_beacon beacon;
- struct ieee80211_rate rates[IEEE80211_NUM_BANDS][ATH_RATE_MAX];
- const struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX];
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;
@@ -605,14 +486,12 @@ struct ath_softc {
int beacon_interval;
- struct ath_ani ani;
-#ifdef CONFIG_ATH9K_DEBUG
+#ifdef CONFIG_ATH9K_DEBUGFS
struct ath9k_debug debug;
#endif
- struct ath_bus_ops *bus_ops;
struct ath_beacon_config cur_beacon_conf;
struct delayed_work tx_complete_work;
- struct ath_btcoex_info btcoex_info;
+ struct ath_btcoex btcoex;
};
struct ath_wiphy {
@@ -625,6 +504,7 @@ struct ath_wiphy {
ATH_WIPHY_PAUSED,
ATH_WIPHY_SCAN,
} state;
+ bool idle;
int chan_idx;
int chan_is_ht;
};
@@ -634,31 +514,22 @@ int ath_get_hal_qnum(u16 queue, struct ath_softc *sc);
int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc);
int ath_cabq_update(struct ath_softc *);
-static inline struct ath_common *ath9k_hw_common(struct ath_hw *ah)
-{
- return &ah->ah_sc->common;
-}
-
-static inline struct ath_regulatory *ath9k_hw_regulatory(struct ath_hw *ah)
+static inline void ath_read_cachesize(struct ath_common *common, int *csz)
{
- return &(ath9k_hw_common(ah)->regulatory);
+ common->bus_ops->read_cachesize(common, csz);
}
-static inline void ath_read_cachesize(struct ath_softc *sc, int *csz)
+static inline void ath_bus_cleanup(struct ath_common *common)
{
- sc->bus_ops->read_cachesize(sc, csz);
-}
-
-static inline void ath_bus_cleanup(struct ath_softc *sc)
-{
- sc->bus_ops->cleanup(sc);
+ common->bus_ops->cleanup(common);
}
extern struct ieee80211_ops ath9k_ops;
irqreturn_t ath_isr(int irq, void *dev);
void ath_cleanup(struct ath_softc *sc);
-int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid);
+int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
+ const struct ath_bus_ops *bus_ops);
void ath_detach(struct ath_softc *sc);
const char *ath_mac_bb_name(u32 mac_bb_version);
const char *ath_rf_name(u16 rf_version);
@@ -668,8 +539,9 @@ void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw,
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);
-void ath_radio_disable(struct ath_softc *sc);
+
+void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw);
+void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw);
#ifdef CONFIG_PCI
int ath_pci_init(void);
@@ -705,9 +577,10 @@ void ath9k_wiphy_pause_all_forced(struct ath_softc *sc,
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 ath9k_iowrite32(struct ath_hw *ah, u32 reg_offset, u32 val);
-unsigned int ath9k_ioread32(struct ath_hw *ah, u32 reg_offset);
+void ath_mac80211_stop_queue(struct ath_softc *sc, u16 skb_queue);
+void ath_mac80211_start_queue(struct ath_softc *sc, u16 skb_queue);
int ath_tx_get_qnum(struct ath_softc *sc, int qtype, int haltype);
#endif /* ATH9K_H */