diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00.h')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00.h | 181 |
1 files changed, 139 insertions, 42 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 94fe589acfaa..a3940d7300a4 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -66,7 +66,7 @@ #ifdef CONFIG_RT2X00_DEBUG #define DEBUG_PRINTK(__dev, __kernlvl, __lvl, __msg, __args...) \ - DEBUG_PRINTK_MSG(__dev, __kernlvl, __lvl, __msg, ##__args); + DEBUG_PRINTK_MSG(__dev, __kernlvl, __lvl, __msg, ##__args) #else #define DEBUG_PRINTK(__dev, __kernlvl, __lvl, __msg, __args...) \ do { } while (0) @@ -189,6 +189,7 @@ 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 +226,8 @@ struct channel_info { struct antenna_setup { enum antenna rx; enum antenna tx; + u8 rx_chain_num; + u8 tx_chain_num; }; /* @@ -347,6 +350,10 @@ struct link { struct delayed_work watchdog_work; }; +enum rt2x00_delayed_flags { + DELAYED_UPDATE_BEACON, +}; + /* * Interface structure * Per interface configuration details, this structure @@ -354,22 +361,6 @@ struct link { */ struct rt2x00_intf { /* - * All fields within the rt2x00_intf structure - * must be protected with a spinlock. - */ - spinlock_t lock; - - /* - * MAC of the device. - */ - u8 mac[ETH_ALEN]; - - /* - * BBSID of the AP to associate with. - */ - u8 bssid[ETH_ALEN]; - - /* * beacon->skb must be protected with the mutex. */ struct mutex beacon_skb_mutex; @@ -380,12 +371,12 @@ struct rt2x00_intf { * dedicated beacon entry. */ struct queue_entry *beacon; + bool enable_beacon; /* * Actions that needed rescheduling. */ - unsigned int delayed_flags; -#define DELAYED_UPDATE_BEACON 0x00000001 + unsigned long delayed_flags; /* * Software sequence counter, this is only required @@ -476,7 +467,6 @@ struct rt2x00lib_crypto { const u8 *address; u32 bssidx; - u32 aid; u8 key[16]; u8 tx_mic[8]; @@ -524,14 +514,13 @@ 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. @@ -567,7 +556,15 @@ struct rt2x00lib_ops { struct link_qual *qual); void (*link_tuner) (struct rt2x00_dev *rt2x00dev, struct link_qual *qual, const u32 count); + + /* + * Data queue handlers. + */ void (*watchdog) (struct rt2x00_dev *rt2x00dev); + 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); /* * TX control handlers @@ -578,9 +575,8 @@ 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); - void (*kick_tx_queue) (struct data_queue *queue); - void (*kill_tx_queue) (struct data_queue *queue); /* * RX control handlers @@ -664,12 +660,16 @@ enum rt2x00_flags { DRIVER_REQUIRE_COPY_IV, DRIVER_REQUIRE_L2PAD, DRIVER_REQUIRE_TXSTATUS_FIFO, + DRIVER_REQUIRE_TASKLET_CONTEXT, + DRIVER_REQUIRE_SW_SEQNO, + DRIVER_REQUIRE_HT_TX_DESC, /* * Driver features */ CONFIG_SUPPORT_HW_BUTTON, CONFIG_SUPPORT_HW_CRYPTO, + CONFIG_SUPPORT_POWER_LIMIT, DRIVER_SUPPORT_CONTROL_FILTERS, DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL, DRIVER_SUPPORT_PRE_TBTT_INTERRUPT, @@ -794,10 +794,12 @@ 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 @@ -863,6 +865,13 @@ struct rt2x00_dev { */ 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() @@ -878,14 +887,13 @@ 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. + * 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. @@ -893,20 +901,23 @@ struct rt2x00_dev { const struct firmware *fw; /* - * Interrupt values, stored between interrupt service routine - * and interrupt thread routine. - */ - u32 irqvalue[2]; - - /* * FIFO for storing tx status reports between isr and tasklet. */ - struct kfifo txstatus_fifo; + DECLARE_KFIFO_PTR(txstatus_fifo, u32); /* * 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; }; /* @@ -915,7 +926,7 @@ struct rt2x00_dev { * in those cases REGISTER_BUSY_COUNT attempts should be * taken with a REGISTER_BUSY_DELAY interval. */ -#define REGISTER_BUSY_COUNT 5 +#define REGISTER_BUSY_COUNT 100 #define REGISTER_BUSY_DELAY 100 /* @@ -1052,12 +1063,24 @@ 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. @@ -1067,6 +1090,78 @@ struct data_queue *rt2x00queue_get_queue(struct rt2x00_dev *rt2x00dev, struct queue_entry *rt2x00queue_get_entry(struct data_queue *queue, enum queue_index index); +/** + * rt2x00queue_pause_queue - Pause a data queue + * @queue: Pointer to &struct data_queue. + * + * This function will pause the data queue locally, preventing + * new frames to be added to the queue (while the hardware is + * still allowed to run). + */ +void rt2x00queue_pause_queue(struct data_queue *queue); + +/** + * rt2x00queue_unpause_queue - unpause a data queue + * @queue: Pointer to &struct data_queue. + * + * This function will unpause the data queue locally, allowing + * new frames to be added to the queue again. + */ +void rt2x00queue_unpause_queue(struct data_queue *queue); + +/** + * rt2x00queue_start_queue - Start a data queue + * @queue: Pointer to &struct data_queue. + * + * This function will start handling all pending frames in the queue. + */ +void rt2x00queue_start_queue(struct data_queue *queue); + +/** + * rt2x00queue_stop_queue - Halt a data queue + * @queue: Pointer to &struct data_queue. + * + * This function will stop all pending frames in the queue. + */ +void rt2x00queue_stop_queue(struct data_queue *queue); + +/** + * rt2x00queue_flush_queue - Flush a data queue + * @queue: Pointer to &struct data_queue. + * @drop: True to drop all pending frames. + * + * This function will flush the queue. After this call + * the queue is guarenteed to be empty. + */ +void rt2x00queue_flush_queue(struct data_queue *queue, bool drop); + +/** + * rt2x00queue_start_queues - Start all data queues + * @rt2x00dev: Pointer to &struct rt2x00_dev. + * + * This function will loop through all available queues to start them + */ +void rt2x00queue_start_queues(struct rt2x00_dev *rt2x00dev); + +/** + * rt2x00queue_stop_queues - Halt all data queues + * @rt2x00dev: Pointer to &struct rt2x00_dev. + * + * This function will loop through all available queues to stop + * any pending frames. + */ +void rt2x00queue_stop_queues(struct rt2x00_dev *rt2x00dev); + +/** + * rt2x00queue_flush_queues - Flush all data queues + * @rt2x00dev: Pointer to &struct rt2x00_dev. + * @drop: True to drop all pending frames. + * + * This function will loop through all available queues to flush + * any pending frames. + */ +void rt2x00queue_flush_queues(struct rt2x00_dev *rt2x00dev, bool drop); + /* * Debugfs handlers. */ @@ -1092,6 +1187,7 @@ static inline void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev, */ void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev); void rt2x00lib_pretbtt(struct rt2x00_dev *rt2x00dev); +void rt2x00lib_dmastart(struct queue_entry *entry); void rt2x00lib_dmadone(struct queue_entry *entry); void rt2x00lib_txdone(struct queue_entry *entry, struct txdone_entry_desc *txdesc); @@ -1101,7 +1197,7 @@ 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, @@ -1133,6 +1229,7 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw, 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); /* * Driver allocation handlers. |