diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00lib.h')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00lib.h | 106 |
1 files changed, 96 insertions, 10 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00lib.h b/drivers/net/wireless/rt2x00/rt2x00lib.h index 86cd26fbf76..a631613177d 100644 --- a/drivers/net/wireless/rt2x00/rt2x00lib.h +++ b/drivers/net/wireless/rt2x00/rt2x00lib.h @@ -1,5 +1,5 @@ /* - Copyright (C) 2004 - 2008 rt2x00 SourceForge Project + Copyright (C) 2004 - 2009 rt2x00 SourceForge Project <http://rt2x00.serialmonkey.com> This program is free software; you can redistribute it and/or modify @@ -33,7 +33,7 @@ * Both the link tuner as the rfkill will be called once per second. */ #define LINK_TUNE_INTERVAL ( round_jiffies_relative(HZ) ) -#define RFKILL_POLL_INTERVAL ( round_jiffies_relative(HZ) ) +#define RFKILL_POLL_INTERVAL ( 1000 ) /* * rt2x00_rate: Per rate device information @@ -63,7 +63,6 @@ static inline const struct rt2x00_rate *rt2x00_get_rate(const u16 hw_value) int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev); void rt2x00lib_disable_radio(struct rt2x00_dev *rt2x00dev); void rt2x00lib_toggle_rx(struct rt2x00_dev *rt2x00dev, enum dev_state state); -void rt2x00lib_reset_link_tuner(struct rt2x00_dev *rt2x00dev); /* * Initialization handlers. @@ -77,7 +76,7 @@ void rt2x00lib_stop(struct rt2x00_dev *rt2x00dev); void rt2x00lib_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf, enum nl80211_iftype type, - u8 *mac, u8 *bssid); + const u8 *mac, const u8 *bssid); void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf, struct ieee80211_bss_conf *conf); @@ -124,9 +123,11 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb); * rt2x00queue_update_beacon - Send new beacon from mac80211 to hardware * @rt2x00dev: Pointer to &struct rt2x00_dev. * @vif: Interface for which the beacon should be updated. + * @enable_beacon: Enable beaconing */ int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev, - struct ieee80211_vif *vif); + struct ieee80211_vif *vif, + const bool enable_beacon); /** * rt2x00queue_index_inc - Index incrementation function @@ -140,6 +141,15 @@ int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev, void rt2x00queue_index_inc(struct data_queue *queue, enum queue_index index); /** + * 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 outgoing frames. + */ +void rt2x00queue_stop_queues(struct rt2x00_dev *rt2x00dev); + +/** * rt2x00queue_init_queues - Initialize all data queues * @rt2x00dev: Pointer to &struct rt2x00_dev. * @@ -154,6 +164,81 @@ void rt2x00queue_uninitialize(struct rt2x00_dev *rt2x00dev); int rt2x00queue_allocate(struct rt2x00_dev *rt2x00dev); void rt2x00queue_free(struct rt2x00_dev *rt2x00dev); +/** + * rt2x00link_update_stats - Update link statistics from RX frame + * @rt2x00dev: Pointer to &struct rt2x00_dev. + * @skb: Received frame + * @rxdesc: Received frame descriptor + * + * Update link statistics based on the information from the + * received frame descriptor. + */ +void rt2x00link_update_stats(struct rt2x00_dev *rt2x00dev, + struct sk_buff *skb, + struct rxdone_entry_desc *rxdesc); + +/** + * rt2x00link_calculate_signal - Calculate signal quality + * @rt2x00dev: Pointer to &struct rt2x00_dev. + * @rssi: RX Frame RSSI + * + * Calculate the signal quality of a frame based on the rssi + * measured during the receiving of the frame and the global + * link quality statistics measured since the start of the + * link tuning. The result is a value between 0 and 100 which + * is an indication of the signal quality. + */ +int rt2x00link_calculate_signal(struct rt2x00_dev *rt2x00dev, int rssi); + +/** + * rt2x00link_start_tuner - Start periodic link tuner work + * @rt2x00dev: Pointer to &struct rt2x00_dev. + * + * This start the link tuner periodic work, this work will + * be executed periodically until &rt2x00link_stop_tuner has + * been called. + */ +void rt2x00link_start_tuner(struct rt2x00_dev *rt2x00dev); + +/** + * rt2x00link_stop_tuner - Stop periodic link tuner work + * @rt2x00dev: Pointer to &struct rt2x00_dev. + * + * After this function completed the link tuner will not + * be running until &rt2x00link_start_tuner is called. + */ +void rt2x00link_stop_tuner(struct rt2x00_dev *rt2x00dev); + +/** + * rt2x00link_reset_tuner - Reset periodic link tuner work + * @rt2x00dev: Pointer to &struct rt2x00_dev. + * @antenna: Should the antenna tuning also be reset + * + * The VGC limit configured in the hardware will be reset to 0 + * which forces the driver to rediscover the correct value for + * the current association. This is needed when configuration + * options have changed which could drastically change the + * SNR level or link quality (i.e. changing the antenna setting). + * + * Resetting the link tuner will also cause the periodic work counter + * to be reset. Any driver which has a fixed limit on the number + * of rounds the link tuner is supposed to work will accept the + * tuner actions again if this limit was previously reached. + * + * If @antenna is set to true a the software antenna diversity + * tuning will also be reset. + */ +void rt2x00link_reset_tuner(struct rt2x00_dev *rt2x00dev, bool antenna); + +/** + * rt2x00link_register - Initialize link tuning functionality + * @rt2x00dev: Pointer to &struct rt2x00_dev. + * + * Initialize work structure and all link tuning related + * paramters. This will not start the link tuning process itself. + */ +void rt2x00link_register(struct rt2x00_dev *rt2x00dev); + /* * Firmware handlers. */ @@ -179,7 +264,7 @@ void rt2x00debug_deregister(struct rt2x00_dev *rt2x00dev); void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev, enum rt2x00_dump_type type, struct sk_buff *skb); void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev, - enum cipher cipher, enum rx_crypto status); + struct rxdone_entry_desc *rxdesc); #else static inline void rt2x00debug_register(struct rt2x00_dev *rt2x00dev) { @@ -196,8 +281,7 @@ static inline void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev, } static inline void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev, - enum cipher cipher, - enum rx_crypto status) + struct rxdone_entry_desc *rxdesc) { } #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ @@ -209,7 +293,8 @@ static inline void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev, enum cipher rt2x00crypto_key_to_cipher(struct ieee80211_key_conf *key); void rt2x00crypto_create_tx_descriptor(struct queue_entry *entry, struct txentry_desc *txdesc); -unsigned int rt2x00crypto_tx_overhead(struct ieee80211_tx_info *tx_info); +unsigned int rt2x00crypto_tx_overhead(struct rt2x00_dev *rt2x00dev, + struct sk_buff *skb); void rt2x00crypto_tx_copy_iv(struct sk_buff *skb, unsigned int iv_len); void rt2x00crypto_tx_remove_iv(struct sk_buff *skb, unsigned int iv_len); void rt2x00crypto_tx_insert_iv(struct sk_buff *skb); @@ -227,7 +312,8 @@ static inline void rt2x00crypto_create_tx_descriptor(struct queue_entry *entry, { } -static inline unsigned int rt2x00crypto_tx_overhead(struct ieee80211_tx_info *tx_info) +static inline unsigned int rt2x00crypto_tx_overhead(struct rt2x00_dev *rt2x00dev, + struct sk_buff *skb) { return 0; } |