/* Copyright (C) 2004 - 2008 rt2x00 SourceForge Project This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Module: rt2x00lib Abstract: Data structures and definitions for the rt2x00lib module. */ #ifndef RT2X00LIB_H #define RT2X00LIB_H #include "rt2x00dump.h" /* * Interval defines * 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) ) /* * rt2x00_rate: Per rate device information */ struct rt2x00_rate { unsigned short flags; #define DEV_RATE_CCK 0x0001 #define DEV_RATE_OFDM 0x0002 #define DEV_RATE_SHORT_PREAMBLE 0x0004 unsigned short bitrate; /* In 100kbit/s */ unsigned short ratemask; unsigned short plcp; }; extern const struct rt2x00_rate rt2x00_supported_rates[12]; static inline u16 rt2x00_create_rate_hw_value(const u16 index, const u16 short_preamble) { return (short_preamble << 8) | (index & 0xff); } static inline const struct rt2x00_rate *rt2x00_get_rate(const u16 hw_value) { return &rt2x00_supported_rates[hw_value & 0xff]; } static inline int rt2x00_get_rate_preamble(const u16 hw_value) { return (hw_value & 0xff00); } /* * Radio control handlers. */ 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. */ int rt2x00lib_start(struct rt2x00_dev *rt2x00dev); void rt2x00lib_stop(struct rt2x00_dev *rt2x00dev); /* * Configuration handlers. */ void rt2x00lib_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf, enum nl80211_iftype type, u8 *mac, u8 *bssid); void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf, struct ieee80211_bss_conf *conf); void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev, enum antenna rx, enum antenna tx); void rt2x00lib_config(struct rt2x00_dev *rt2x00dev, struct ieee80211_conf *conf, const unsigned int changed_flags); /** * DOC: Queue handlers */ /** * rt2x00queue_alloc_rxskb - allocate a skb for RX purposes. * @rt2x00dev: Pointer to &struct rt2x00_dev. * @queue: The queue for which the skb will be applicable. */ struct sk_buff *rt2x00queue_alloc_rxskb(struct rt2x00_dev *rt2x00dev, struct queue_entry *entry); /** * rt2x00queue_unmap_skb - Unmap a skb from DMA. * @rt2x00dev: Pointer to &struct rt2x00_dev. * @skb: The skb to unmap. */ void rt2x00queue_unmap_skb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb); /** * rt2x00queue_free_skb - free a skb * @rt2x00dev: Pointer to &struct rt2x00_dev. * @skb: The skb to free. */ void rt2x00queue_free_skb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb); /** * rt2x00queue_write_tx_frame - Write TX frame to hardware * @queue: Queue over which the frame should be send * @skb: The skb to send */ 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. */ int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev, struct ieee80211_vif *vif); /** * rt2x00queue_index_inc - Index incrementation function * @queue: Queue (&struct data_queue) to perform the action on. * @index: Index type (&enum queue_index) to perform the action on. * * This function will increase the requested index on the queue, * it will grab the appropriate locks and handle queue overflow events by * resetting the index to the start of the queue. */ void rt2x00queue_index_inc(struct data_queue *queue, enum queue_index index); void rt2x00queue_init_rx(struct rt2x00_dev *rt2x00dev); void rt2x00queue_init_tx(struct rt2x00_dev *rt2x00dev); int rt2x00queue_initialize(struct rt2x00_dev *rt2x00dev); void rt2x00queue_uninitialize(struct rt2x00_dev *rt2x00dev); int rt2x00queue_allocate(struct rt2x00_dev *rt2x00dev); void rt2x00queue_free(struct rt2x00_dev *rt2x00dev); /* * Firmware handlers. */ #ifdef CONFIG_RT2X00_LIB_FIRMWARE int rt2x00lib_load_firmware(struct rt2x00_dev *rt2x00dev); void rt2x00lib_free_firmware(struct rt2x00_dev *rt2x00dev); #else static inline int rt2x00lib_load_firmware(struct rt2x00_dev *rt2x00dev) { return 0; } static inline void rt2x00lib_free_firmware(struct rt2x00_dev *rt2x00dev) { } #endif /* CONFIG_RT2X00_LIB_FIRMWARE */ /* * Debugfs handlers. */ #ifdef CONFIG_RT2X00_LIB_DEBUGFS void rt2x00debug_register(struct rt2x00_dev *rt2x00dev); 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); #else static inline void rt2x00debug_register(struct rt2x00_dev *rt2x00dev) { } static inline void rt2x00debug_deregister(struct rt2x00_dev *rt2x00dev) { } static inline void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev, enum rt2x00_dump_type type, struct sk_buff *skb) { } static inline void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev, enum cipher cipher, enum rx_crypto status) { } #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ /* * Crypto handlers. */ #ifdef CONFIG_RT2X00_LIB_CRYPTO enum cipher rt2x00crypto_key_to_cipher(struct ieee80211_key_conf *key); unsigned int rt2x00crypto_tx_overhead(struct ieee80211_tx_info *tx_info); void rt2x00crypto_tx_remove_iv(struct sk_buff *skb, unsigned int iv_len); void rt2x00crypto_tx_insert_iv(struct sk_buff *skb); void rt2x00crypto_rx_insert_iv(struct sk_buff *skb, unsigned int align, unsigned int header_length, struct rxdone_entry_desc *rxdesc); #else static inline enum cipher rt2x00crypto_key_to_cipher(struct ieee80211_key_conf *key) { return CIPHER_NONE; } static inline unsigned int rt2x00crypto_tx_overhead(struct ieee80211_tx_info *tx_info) { return 0; } static inline void rt2x00crypto_tx_remove_iv(struct sk_buff *skb, unsigned int iv_len) { } static inline void rt2x00crypto_tx_insert_iv(struct sk_buff *skb) { } static inline void rt2x00crypto_rx_insert_iv(struct sk_buff *skb, unsigned int align, unsigned int header_length, struct rxdone_entry_desc *rxdesc) { } #endif /* * RFkill handlers. */ #ifdef CONFIG_RT2X00_LIB_RFKILL void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev); void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev); void rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev); void rt2x00rfkill_free(struct rt2x00_dev *rt2x00dev); #else static inline void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev) { } static inline void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev) { } static inline void rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev) { } static inline void rt2x00rfkill_free(struct rt2x00_dev *rt2x00dev) { } #endif /* CONFIG_RT2X00_LIB_RFKILL */ /* * LED handlers */ #ifdef CONFIG_RT2X00_LIB_LEDS void rt2x00leds_led_quality(struct rt2x00_dev *rt2x00dev, int rssi); void rt2x00led_led_activity(struct rt2x00_dev *rt2x00dev, bool enabled); void rt2x00leds_led_assoc(struct rt2x00_dev *rt2x00dev, bool enabled); void rt2x00leds_led_radio(struct rt2x00_dev *rt2x00dev, bool enabled); void rt2x00leds_register(struct rt2x00_dev *rt2x00dev); void rt2x00leds_unregister(struct rt2x00_dev *rt2x00dev); void rt2x00leds_suspend(struct rt2x00_dev *rt2x00dev); void rt2x00leds_resume(struct rt2x00_dev *rt2x00dev); #else static inline void rt2x00leds_led_quality(struct rt2x00_dev *rt2x00dev, int rssi) { } static inline void rt2x00led_led_activity(struct rt2x00_dev *rt2x00dev, bool enabled) { } static inline void rt2x00leds_led_assoc(struct rt2x00_dev *rt2x00dev, bool enabled) { } static inline void rt2x00leds_led_radio(struct rt2x00_dev *rt2x00dev, bool enabled) { } static inline void rt2x00leds_register(struct rt2x00_dev *rt2x00dev) { } static inline void rt2x00leds_unregister(struct rt2x00_dev *rt2x00dev) { } static inline void rt2x00leds_suspend(struct rt2x00_dev *rt2x00dev) { } static inline void rt2x00leds_resume(struct rt2x00_dev *rt2x00dev) { } #endif /* CONFIG_RT2X00_LIB_LEDS */ #endif /* RT2X00LIB_H */