/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * 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
#define A_MAX(a, b) ((a) > (b) ? (a) : (b))
-#define ASSERT(exp) do { \
- if (unlikely(!(exp))) { \
- BUG(); \
- } \
- } while (0)
+#define ASSERT(exp) BUG_ON(!(exp))
#define TSF_TO_TU(_h,_l) \
((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
u32 ath_aggr_prot;
u16 txpowlimit;
u8 cabqReadytime;
- u8 swBeaconProcess;
};
/*************************/
/*************************/
#define ATH_TXBUF_RESET(_bf) do { \
- (_bf)->bf_status = 0; \
+ (_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
*
int bfs_seqno;
int bfs_tidno;
int bfs_retries;
- u32 bf_type;
+ u8 bf_type;
u32 bfs_keyix;
enum ath9k_key_type bfs_keytype;
};
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 */
- void *bf_mpdu; /* enclosing frame structure */
+ 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 */
- u32 bf_status;
+ bool bf_stale;
u16 bf_flags;
struct ath_buf_state bf_state;
dma_addr_t bf_dmacontext;
};
-#define ATH_RXBUF_RESET(_bf) ((_bf)->bf_status = 0)
-#define ATH_BUFSTATUS_STALE 0x00000002
-
struct ath_descdma {
- const char *dd_name;
struct ath_desc *dd_desc;
dma_addr_t dd_desc_paddr;
u32 dd_desc_len;
struct ath_buf *dd_bufptr;
- dma_addr_t dd_dmacontext;
};
int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
struct ath_tx_control {
struct ath_txq *txq;
int if_id;
+ enum ath9k_internal_frame_type frame_type;
};
-struct ath_xmit_status {
- int retries;
- int flags;
#define ATH_TX_ERROR 0x01
#define ATH_TX_XRETRY 0x02
#define ATH_TX_BAR 0x04
-};
-
-/* All RSSI values are noise floor adjusted */
-struct ath_tx_stat {
- int rssi;
- int rssictl[ATH_MAX_ANTENNA];
- int rssiextn[ATH_MAX_ANTENNA];
- int rateieee;
- int rateKbps;
- int ratecode;
- int flags;
- u32 airtime; /* time on air per final tx rate */
-};
-
-struct aggr_rifs_param {
- int param_max_frames;
- int param_max_len;
- int param_rl;
- int param_al;
- struct ath_rc_series *param_rcs;
-};
struct ath_node {
struct ath_softc *an_sc;
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);
-int ath_tx_cleanup(struct ath_softc *sc);
+void ath_tx_cleanup(struct ath_softc *sc);
struct ath_txq *ath_test_get_txq(struct ath_softc *sc, struct sk_buff *skb);
int ath_txq_update(struct ath_softc *sc, int qnum,
struct ath9k_tx_queue_info *q);
-int ath_tx_start(struct ath_softc *sc, struct sk_buff *skb,
+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_cabq(struct ath_softc *sc, struct sk_buff *skb);
+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);
int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
u16 tid, u16 *ssn);
/* VIFs */
/********/
-/*
- * Define the scheme that we select MAC address for multiple
- * BSS on the same radio. The very first VIF will just use the MAC
- * address from the EEPROM. For the next 3 VIFs, we set the
- * U/L bit (bit 1) in MAC address, and use the next two bits as the
- * index of the VIF.
- */
-
-#define ATH_SET_VIF_BSSID_MASK(bssid_mask) \
- ((bssid_mask)[0] &= ~(((ATH_BCBUF-1)<<2)|0x02))
-
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 */
};
/*******************/
* number of beacon intervals, the game's up.
*/
#define BSTUCK_THRESH (9 * ATH_BCBUF)
-#define ATH_BCBUF 1
+#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)
u16 dtim_period;
u16 bmiss_timeout;
u8 dtim_count;
- u8 tim_offset;
- union {
- u64 last_tsf;
- u8 last_tstamp[8];
- } u; /* last received beacon/probe response timestamp of this BSS. */
};
struct ath_beacon {
u32 bmisscnt;
u32 ast_be_xmit;
u64 bc_tstamp;
- int bslot[ATH_BCBUF];
+ struct ieee80211_vif *bslot[ATH_BCBUF];
+ struct ath_wiphy *bslot_aphy[ATH_BCBUF];
int slottime;
int slotupdate;
struct ath9k_tx_queue_info beacon_qi;
};
void ath_beacon_tasklet(unsigned long data);
-void ath_beacon_config(struct ath_softc *sc, int if_id);
+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_softc *sc, int if_id);
+int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif);
void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp);
-void ath_beacon_sync(struct ath_softc *sc, int if_id);
/*******/
/* ANI */
*/
#define ATH_KEYMAX 128 /* max key cache size we handle */
-#define ATH_IF_ID_ANY 0xff
#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)
-#define SC_OP_BEACONS BIT(1)
-#define SC_OP_RXAGGR BIT(2)
-#define SC_OP_TXAGGR BIT(3)
-#define SC_OP_CHAINMASK_UPDATE BIT(4)
-#define SC_OP_FULL_RESET BIT(5)
-#define SC_OP_PREAMBLE_SHORT BIT(6)
-#define SC_OP_PROTECT_ENABLE BIT(7)
-#define SC_OP_RXFLUSH BIT(8)
-#define SC_OP_LED_ASSOCIATED BIT(9)
-#define SC_OP_RFKILL_REGISTERED BIT(10)
-#define SC_OP_RFKILL_SW_BLOCKED BIT(11)
-#define SC_OP_RFKILL_HW_BLOCKED BIT(12)
-#define SC_OP_WAIT_FOR_BEACON BIT(13)
-#define SC_OP_LED_ON BIT(14)
-#define SC_OP_SCANNING BIT(15)
+#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_FULL_RESET 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_RFKILL_REGISTERED BIT(9)
+#define SC_OP_RFKILL_SW_BLOCKED BIT(10)
+#define SC_OP_RFKILL_HW_BLOCKED BIT(11)
+#define SC_OP_WAIT_FOR_BEACON BIT(12)
+#define SC_OP_LED_ON BIT(13)
+#define SC_OP_SCANNING BIT(14)
+#define SC_OP_TSF_RESET BIT(15)
struct ath_bus_ops {
void (*read_cachesize)(struct ath_softc *sc, int *csz);
bool (*eeprom_read)(struct ath_hw *ah, u32 off, u16 *data);
};
+struct ath_wiphy;
+
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;
struct mutex mutex;
u8 curbssid[ETH_ALEN];
struct ath_rx rx;
struct ath_tx tx;
struct ath_beacon beacon;
- struct ieee80211_vif *vifs[ATH_BCBUF];
struct ieee80211_rate rates[IEEE80211_NUM_BANDS][ATH_RATE_MAX];
struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX];
struct ath_rate_table *cur_rate_table;
struct ath_bus_ops *bus_ops;
};
+struct ath_wiphy {
+ struct ath_softc *sc; /* shared for all virtual wiphys */
+ struct ieee80211_hw *hw;
+ enum ath_wiphy_state {
+ ATH_WIPHY_INACTIVE,
+ ATH_WIPHY_ACTIVE,
+ ATH_WIPHY_PAUSING,
+ ATH_WIPHY_PAUSED,
+ ATH_WIPHY_SCAN,
+ } state;
+ int chan_idx;
+ int chan_is_ht;
+};
+
int ath_reset(struct ath_softc *sc, bool retry_tx);
int ath_get_hal_qnum(u16 queue, struct ath_softc *sc);
int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc);
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);
+void ath_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);
+void ath_radio_disable(struct ath_softc *sc);
#ifdef CONFIG_PCI
int ath_pci_init(void);
sc->sc_ah->restore_mode);
}
+
+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);
+
+/*
+ * Read and write, they both share the same lock. We do this to serialize
+ * reads and writes on Atheros 802.11n PCI devices only. This is required
+ * as the FIFO on these devices can only accept sanely 2 requests. After
+ * that the device goes bananas. Serializing the reads/writes prevents this
+ * from happening.
+ */
+
+static inline void ath9k_iowrite32(struct ath_hw *ah, u32 reg_offset, u32 val)
+{
+ if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
+ unsigned long flags;
+ spin_lock_irqsave(&ah->ah_sc->sc_serial_rw, flags);
+ iowrite32(val, ah->ah_sc->mem + reg_offset);
+ spin_unlock_irqrestore(&ah->ah_sc->sc_serial_rw, flags);
+ } else
+ iowrite32(val, ah->ah_sc->mem + reg_offset);
+}
+
+static inline unsigned int ath9k_ioread32(struct ath_hw *ah, u32 reg_offset)
+{
+ u32 val;
+ if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
+ unsigned long flags;
+ spin_lock_irqsave(&ah->ah_sc->sc_serial_rw, flags);
+ val = ioread32(ah->ah_sc->mem + reg_offset);
+ spin_unlock_irqrestore(&ah->ah_sc->sc_serial_rw, flags);
+ } else
+ val = ioread32(ah->ah_sc->mem + reg_offset);
+ return val;
+}
+
#endif /* ATH9K_H */
projects / mirror_ubuntu-artful-kernel.git / blobdiff