diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00.h')
-rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00.h | 189 |
1 files changed, 132 insertions, 57 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 84aaf393da43..c446db69bd3c 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -37,6 +37,7 @@ #include <linux/etherdevice.h> #include <linux/input-polldev.h> #include <linux/kfifo.h> +#include <linux/timer.h> #include <net/mac80211.h> @@ -189,6 +190,7 @@ struct rt2x00_chip { #define RT3572 0x3572 #define RT3593 0x3593 /* PCIe */ #define RT3883 0x3883 /* WSOC */ +#define RT5390 0x5390 /* 2.4GHz */ u16 rf; u16 rev; @@ -225,6 +227,8 @@ struct channel_info { struct antenna_setup { enum antenna rx; enum antenna tx; + u8 rx_chain_num; + u8 tx_chain_num; }; /* @@ -345,6 +349,11 @@ struct link { * to bring the device/driver back into the desired state. */ struct delayed_work watchdog_work; + + /* + * Work structure for scheduling periodic AGC adjustments. + */ + struct delayed_work agc_work; }; enum rt2x00_delayed_flags { @@ -368,6 +377,7 @@ struct rt2x00_intf { * dedicated beacon entry. */ struct queue_entry *beacon; + bool enable_beacon; /* * Actions that needed rescheduling. @@ -463,7 +473,6 @@ struct rt2x00lib_crypto { const u8 *address; u32 bssidx; - u32 aid; u8 key[16]; u8 tx_mic[8]; @@ -481,13 +490,13 @@ struct rt2x00intf_conf { enum nl80211_iftype type; /* - * TSF sync value, this is dependant on the operation type. + * TSF sync value, this is dependent on the operation type. */ enum tsf_sync sync; /* - * The MAC and BSSID addressess are simple array of bytes, - * these arrays are little endian, so when sending the addressess + * The MAC and BSSID addresses are simple array of bytes, + * these arrays are little endian, so when sending the addresses * to the drivers, copy the it into a endian-signed variable. * * Note that all devices (except rt2500usb) have 32 bits @@ -511,14 +520,13 @@ struct rt2x00lib_ops { irq_handler_t irq_handler; /* - * Threaded Interrupt handlers. - */ - irq_handler_t irq_handler_thread; - - /* * TX status tasklet handler. */ void (*txstatus_tasklet) (unsigned long data); + void (*pretbtt_tasklet) (unsigned long data); + void (*tbtt_tasklet) (unsigned long data); + void (*rxdone_tasklet) (unsigned long data); + void (*autowake_tasklet) (unsigned long data); /* * Device init handlers. @@ -554,6 +562,7 @@ struct rt2x00lib_ops { struct link_qual *qual); void (*link_tuner) (struct rt2x00_dev *rt2x00dev, struct link_qual *qual, const u32 count); + void (*gain_calibration) (struct rt2x00_dev *rt2x00dev); /* * Data queue handlers. @@ -562,7 +571,8 @@ struct rt2x00lib_ops { void (*start_queue) (struct data_queue *queue); void (*kick_queue) (struct data_queue *queue); void (*stop_queue) (struct data_queue *queue); - void (*flush_queue) (struct data_queue *queue); + void (*flush_queue) (struct data_queue *queue, bool drop); + void (*tx_dma_done) (struct queue_entry *entry); /* * TX control handlers @@ -573,6 +583,7 @@ struct rt2x00lib_ops { struct txentry_desc *txdesc); void (*write_beacon) (struct queue_entry *entry, struct txentry_desc *txdesc); + void (*clear_beacon) (struct queue_entry *entry); int (*get_tx_data_len) (struct queue_entry *entry); /* @@ -634,11 +645,11 @@ struct rt2x00_ops { }; /* - * rt2x00 device flags + * rt2x00 state flags */ -enum rt2x00_flags { +enum rt2x00_state_flags { /* - * Device state flags + * Device flags */ DEVICE_STATE_PRESENT, DEVICE_STATE_REGISTERED_HW, @@ -648,37 +659,47 @@ enum rt2x00_flags { DEVICE_STATE_SCANNING, /* - * Driver requirements - */ - DRIVER_REQUIRE_FIRMWARE, - DRIVER_REQUIRE_BEACON_GUARD, - DRIVER_REQUIRE_ATIM_QUEUE, - DRIVER_REQUIRE_DMA, - DRIVER_REQUIRE_COPY_IV, - DRIVER_REQUIRE_L2PAD, - DRIVER_REQUIRE_TXSTATUS_FIFO, - DRIVER_REQUIRE_TASKLET_CONTEXT, - - /* - * Driver features - */ - CONFIG_SUPPORT_HW_BUTTON, - CONFIG_SUPPORT_HW_CRYPTO, - DRIVER_SUPPORT_CONTROL_FILTERS, - DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL, - DRIVER_SUPPORT_PRE_TBTT_INTERRUPT, - DRIVER_SUPPORT_LINK_TUNING, - DRIVER_SUPPORT_WATCHDOG, - - /* * Driver configuration */ - CONFIG_FRAME_TYPE, - CONFIG_RF_SEQUENCE, - CONFIG_EXTERNAL_LNA_A, - CONFIG_EXTERNAL_LNA_BG, - CONFIG_DOUBLE_ANTENNA, CONFIG_CHANNEL_HT40, + CONFIG_POWERSAVING, +}; + +/* + * rt2x00 capability flags + */ +enum rt2x00_capability_flags { + /* + * Requirements + */ + REQUIRE_FIRMWARE, + REQUIRE_BEACON_GUARD, + REQUIRE_ATIM_QUEUE, + REQUIRE_DMA, + REQUIRE_COPY_IV, + REQUIRE_L2PAD, + REQUIRE_TXSTATUS_FIFO, + REQUIRE_TASKLET_CONTEXT, + REQUIRE_SW_SEQNO, + REQUIRE_HT_TX_DESC, + REQUIRE_PS_AUTOWAKE, + + /* + * Capabilities + */ + CAPABILITY_HW_BUTTON, + CAPABILITY_HW_CRYPTO, + CAPABILITY_POWER_LIMIT, + CAPABILITY_CONTROL_FILTERS, + CAPABILITY_CONTROL_FILTER_PSPOLL, + CAPABILITY_PRE_TBTT_INTERRUPT, + CAPABILITY_LINK_TUNING, + CAPABILITY_FRAME_TYPE, + CAPABILITY_RF_SEQUENCE, + CAPABILITY_EXTERNAL_LNA_A, + CAPABILITY_EXTERNAL_LNA_BG, + CAPABILITY_DOUBLE_ANTENNA, + CAPABILITY_BT_COEXIST, }; /* @@ -727,13 +748,20 @@ struct rt2x00_dev { #endif /* CONFIG_RT2X00_LIB_LEDS */ /* - * Device flags. - * In these flags the current status and some - * of the device capabilities are stored. + * Device state flags. + * In these flags the current status is stored. + * Access to these flags should occur atomically. */ unsigned long flags; /* + * Device capabiltiy flags. + * In these flags the device/driver capabilities are stored. + * Access to these flags should occur non-atomically. + */ + unsigned long cap_flags; + + /* * Device information, Bus IRQ and name (PCI, SoC) */ int irq; @@ -788,10 +816,12 @@ struct rt2x00_dev { * - Open ap interface count. * - Open sta interface count. * - Association count. + * - Beaconing enabled count. */ unsigned int intf_ap_count; unsigned int intf_sta_count; unsigned int intf_associated; + unsigned int intf_beaconing; /* * Link quality @@ -847,16 +877,33 @@ struct rt2x00_dev { u8 calibration[2]; /* + * Association id. + */ + u16 aid; + + /* * Beacon interval. */ u16 beacon_int; + /** + * Timestamp of last received beacon + */ + unsigned long last_beacon; + /* * Low level statistics which will have * to be kept up to date while device is running. */ struct ieee80211_low_level_stats low_level_stats; + /** + * Work queue for all work which should not be placed + * on the mac80211 workqueue (because of dependencies + * between various work structures). + */ + struct workqueue_struct *workqueue; + /* * Scheduled work. * NOTE: intf_work will use ieee80211_iterate_active_interfaces() @@ -872,14 +919,18 @@ struct rt2x00_dev { struct work_struct txdone_work; /* - * Data queue arrays for RX, TX and Beacon. - * The Beacon array also contains the Atim queue - * if that is supported by the device. + * Powersaving work + */ + struct delayed_work autowakeup_work; + + /* + * Data queue arrays for RX, TX, Beacon and ATIM. */ unsigned int data_queues; struct data_queue *rx; struct data_queue *tx; struct data_queue *bcn; + struct data_queue *atim; /* * Firmware image. @@ -887,20 +938,28 @@ struct rt2x00_dev { const struct firmware *fw; /* - * Interrupt values, stored between interrupt service routine - * and interrupt thread routine. + * FIFO for storing tx status reports between isr and tasklet. */ - u32 irqvalue[2]; + DECLARE_KFIFO_PTR(txstatus_fifo, u32); /* - * FIFO for storing tx status reports between isr and tasklet. + * Timer to ensure tx status reports are read (rt2800usb). */ - DECLARE_KFIFO_PTR(txstatus_fifo, u32); + struct timer_list txstatus_timer; /* * Tasklet for processing tx status reports (rt2800pci). */ struct tasklet_struct txstatus_tasklet; + struct tasklet_struct pretbtt_tasklet; + struct tasklet_struct tbtt_tasklet; + struct tasklet_struct rxdone_tasklet; + struct tasklet_struct autowake_tasklet; + + /* + * Protect the interrupt mask register. + */ + spinlock_t irqmask_lock; }; /* @@ -1046,12 +1105,24 @@ void rt2x00queue_map_txskb(struct queue_entry *entry); void rt2x00queue_unmap_skb(struct queue_entry *entry); /** - * rt2x00queue_get_queue - Convert queue index to queue pointer + * rt2x00queue_get_tx_queue - Convert tx queue index to queue pointer * @rt2x00dev: Pointer to &struct rt2x00_dev. * @queue: rt2x00 queue index (see &enum data_queue_qid). + * + * Returns NULL for non tx queues. */ -struct data_queue *rt2x00queue_get_queue(struct rt2x00_dev *rt2x00dev, - const enum data_queue_qid queue); +static inline struct data_queue * +rt2x00queue_get_tx_queue(struct rt2x00_dev *rt2x00dev, + const enum data_queue_qid queue) +{ + if (queue < rt2x00dev->ops->tx_queues && rt2x00dev->tx) + return &rt2x00dev->tx[queue]; + + if (queue == QID_ATIM) + return rt2x00dev->atim; + + return NULL; +} /** * rt2x00queue_get_entry - Get queue entry where the given index points to. @@ -1102,7 +1173,7 @@ void rt2x00queue_stop_queue(struct data_queue *queue); * @drop: True to drop all pending frames. * * This function will flush the queue. After this call - * the queue is guarenteed to be empty. + * the queue is guaranteed to be empty. */ void rt2x00queue_flush_queue(struct data_queue *queue, bool drop); @@ -1168,7 +1239,7 @@ void rt2x00lib_rxdone(struct queue_entry *entry); /* * mac80211 handlers. */ -int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb); +void rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb); int rt2x00mac_start(struct ieee80211_hw *hw); void rt2x00mac_stop(struct ieee80211_hw *hw); int rt2x00mac_add_interface(struct ieee80211_hw *hw, @@ -1201,6 +1272,10 @@ int rt2x00mac_conf_tx(struct ieee80211_hw *hw, u16 queue, const struct ieee80211_tx_queue_params *params); void rt2x00mac_rfkill_poll(struct ieee80211_hw *hw); void rt2x00mac_flush(struct ieee80211_hw *hw, bool drop); +int rt2x00mac_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant); +int rt2x00mac_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant); +void rt2x00mac_get_ringparam(struct ieee80211_hw *hw, + u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max); /* * Driver allocation handlers. |