[deliverable/linux.git] / drivers / net / wireless / rt2x00 / rt2x00lib.h

/*
	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
	<http://rt2x00.serialmonkey.com>

	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
 */
#define LINK_TUNE_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;
	unsigned short mcs;
};

extern const struct rt2x00_rate rt2x00_supported_rates[12];

static inline const struct rt2x00_rate *rt2x00_get_rate(const u16 hw_value)
{
	return &rt2x00_supported_rates[hw_value & 0xff];
}

#define RATE_MCS(__mode, __mcs) \
	( (((__mode) & 0x00ff) << 8) | ((__mcs) & 0x00ff) )

static inline int rt2x00_get_rate_mcs(const u16 mcs_value)
{
	return (mcs_value & 0x00ff);
}

/*
 * 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);

/*
 * 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,
			   const u8 *mac, const 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,
			      struct antenna_setup ant);
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_payload_align - Align 802.11 payload to 4-byte boundary
 * @skb: The skb to align
 * @l2pad: Should L2 padding be used
 * @header_length: Length of 802.11 header
 *
 * This function prepares the @skb to be send to the device or mac80211.
 * If @l2pad is set to true padding will occur between the 802.11 header
 * and payload. Otherwise the padding will be done in front of the 802.11
 * header.
 * When @l2pad is set the function will check for the &SKBDESC_L2_PADDED
 * flag in &skb_frame_desc. If that flag is set, the padding is removed
 * and the flag cleared. Otherwise the padding is added and the flag is set.
 */
void rt2x00queue_payload_align(struct sk_buff *skb,
			       bool l2pad, unsigned int header_length);

/**
 * 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.
 * @enable_beacon: Enable beaconing
 */
int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev,
			      struct ieee80211_vif *vif,
			      const bool enable_beacon);

/**
 * 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);

/**
 * 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.
 *
 * This function will loop through all available queues to clear all
 * index numbers and set the queue entry to the correct initialization
 * state.
 */
void rt2x00queue_init_queues(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);

/**
 * 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
 * parameters. This will not start the link tuning process itself.
 */
void rt2x00link_register(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,
			       struct rxdone_entry_desc *rxdesc);
#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,
					     struct rxdone_entry_desc *rxdesc)
{
}
#endif /* CONFIG_RT2X00_LIB_DEBUGFS */

/*
 * Crypto handlers.
 */
#ifdef CONFIG_RT2X00_LIB_CRYPTO
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 rt2x00_dev *rt2x00dev,
				      struct sk_buff *skb);
void rt2x00crypto_tx_copy_iv(struct sk_buff *skb,
			     struct txentry_desc *txdesc);
void rt2x00crypto_tx_remove_iv(struct sk_buff *skb,
			       struct txentry_desc *txdesc);
void rt2x00crypto_tx_insert_iv(struct sk_buff *skb, unsigned int header_length);
void rt2x00crypto_rx_insert_iv(struct sk_buff *skb, bool l2pad,
			       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 void rt2x00crypto_create_tx_descriptor(struct queue_entry *entry,
						     struct txentry_desc *txdesc)
{
}

static inline unsigned int rt2x00crypto_tx_overhead(struct rt2x00_dev *rt2x00dev,
						    struct sk_buff *skb)
{
	return 0;
}

static inline void rt2x00crypto_tx_copy_iv(struct sk_buff *skb,
					   struct txentry_desc *txdesc)
{
}

static inline void rt2x00crypto_tx_remove_iv(struct sk_buff *skb,
					     struct txentry_desc *txdesc)
{
}

static inline void rt2x00crypto_tx_insert_iv(struct sk_buff *skb,
					     unsigned int header_length)
{
}

static inline void rt2x00crypto_rx_insert_iv(struct sk_buff *skb, bool l2pad,
					     unsigned int header_length,
					     struct rxdone_entry_desc *rxdesc)
{
}
#endif /* CONFIG_RT2X00_LIB_CRYPTO */

/*
 * HT handlers.
 */
#ifdef CONFIG_RT2X00_LIB_HT
void rt2x00ht_create_tx_descriptor(struct queue_entry *entry,
				   struct txentry_desc *txdesc,
				   const struct rt2x00_rate *hwrate);
#else
static inline void rt2x00ht_create_tx_descriptor(struct queue_entry *entry,
						 struct txentry_desc *txdesc,
						 const struct rt2x00_rate *hwrate)
{
}
#endif /* CONFIG_RT2X00_LIB_HT */

/*
 * RFkill handlers.
 */
static inline void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev)
{
	if (test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags))
		wiphy_rfkill_start_polling(rt2x00dev->hw->wiphy);
}

static inline void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev)
{
	if (test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags))
		wiphy_rfkill_stop_polling(rt2x00dev->hw->wiphy);
}

/*
 * 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 */
Commit	Line	Data
95ea3627	1	/*
4e54c711	2	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
95ea3627 ID	3	<http://rt2x00.serialmonkey.com>
	4
	5	This program is free software; you can redistribute it and/or modify
	6	it under the terms of the GNU General Public License as published by
	7	the Free Software Foundation; either version 2 of the License, or
	8	(at your option) any later version.
	9
	10	This program is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	GNU General Public License for more details.
	14
	15	You should have received a copy of the GNU General Public License
	16	along with this program; if not, write to the
	17	Free Software Foundation, Inc.,
	18	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	19	*/
	20
	21	/*
	22	Module: rt2x00lib
	23	Abstract: Data structures and definitions for the rt2x00lib module.
	24	*/
	25
	26	#ifndef RT2X00LIB_H
	27	#define RT2X00LIB_H
	28
5a6e5999 ID	29	#include "rt2x00dump.h"
5a6e5999 ID	30
95ea3627 ID	31	/*
	32	* Interval defines
	33	*/
206eade5	34	#define LINK_TUNE_INTERVAL round_jiffies_relative(HZ)
95ea3627	35
70e2fed4 ID	36	/*
	37	* rt2x00_rate: Per rate device information
	38	*/
	39	struct rt2x00_rate {
	40	unsigned short flags;
31562e80 ID	41	#define DEV_RATE_CCK 0x0001
	42	#define DEV_RATE_OFDM 0x0002
	43	#define DEV_RATE_SHORT_PREAMBLE 0x0004
70e2fed4 ID	44
70e2fed4 ID	45	unsigned short bitrate; /* In 100kbit/s */
70e2fed4	46	unsigned short ratemask;
70e2fed4 ID	47
70e2fed4 ID	48	unsigned short plcp;
35f00cfc	49	unsigned short mcs;
70e2fed4 ID	50	};
	51
	52	extern const struct rt2x00_rate rt2x00_supported_rates[12];
	53
70e2fed4 ID	54	static inline const struct rt2x00_rate *rt2x00_get_rate(const u16 hw_value)
	55	{
	56	return &rt2x00_supported_rates[hw_value & 0xff];
	57	}
	58
35f00cfc ID	59	#define RATE_MCS(__mode, __mcs) \
	60	( (((__mode) & 0x00ff) << 8) \| ((__mcs) & 0x00ff) )
	61
	62	static inline int rt2x00_get_rate_mcs(const u16 mcs_value)
	63	{
	64	return (mcs_value & 0x00ff);
	65	}
	66
95ea3627 ID	67	/*
	68	* Radio control handlers.
	69	*/
	70	int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev);
	71	void rt2x00lib_disable_radio(struct rt2x00_dev *rt2x00dev);
5cbf830e	72	void rt2x00lib_toggle_rx(struct rt2x00_dev *rt2x00dev, enum dev_state state);
95ea3627 ID	73
	74	/*
	75	* Initialization handlers.
	76	*/
e37ea213 ID	77	int rt2x00lib_start(struct rt2x00_dev *rt2x00dev);
e37ea213 ID	78	void rt2x00lib_stop(struct rt2x00_dev *rt2x00dev);
95ea3627 ID	79
	80	/*
	81	* Configuration handlers.
	82	*/
6bb40dd1 ID	83	void rt2x00lib_config_intf(struct rt2x00_dev *rt2x00dev,
6bb40dd1 ID	84	struct rt2x00_intf *intf,
05c914fe	85	enum nl80211_iftype type,
5f936f11	86	const u8 mac, const u8 bssid);
72810379 ID	87	void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev,
	88	struct rt2x00_intf *intf,
	89	struct ieee80211_bss_conf *conf);
69f81a2c	90	void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
eb87eaac	91	struct antenna_setup ant);
066cb637	92	void rt2x00lib_config(struct rt2x00_dev *rt2x00dev,
e4ea1c40 ID	93	struct ieee80211_conf *conf,
e4ea1c40 ID	94	const unsigned int changed_flags);
95ea3627	95
d74f5ba4 ID	96	/**
	97	* DOC: Queue handlers
	98	*/
	99
	100	/**
	101	* rt2x00queue_alloc_rxskb - allocate a skb for RX purposes.
	102	* @rt2x00dev: Pointer to &struct rt2x00_dev.
	103	* @queue: The queue for which the skb will be applicable.
	104	*/
	105	struct sk_buff rt2x00queue_alloc_rxskb(struct rt2x00_dev rt2x00dev,
	106	struct queue_entry *entry);
	107
	108	/**
	109	* rt2x00queue_unmap_skb - Unmap a skb from DMA.
	110	* @rt2x00dev: Pointer to &struct rt2x00_dev.
	111	* @skb: The skb to unmap.
	112	*/
	113	void rt2x00queue_unmap_skb(struct rt2x00_dev rt2x00dev, struct sk_buff skb);
	114
	115	/**
	116	* rt2x00queue_free_skb - free a skb
	117	* @rt2x00dev: Pointer to &struct rt2x00_dev.
	118	* @skb: The skb to free.
	119	*/
	120	void rt2x00queue_free_skb(struct rt2x00_dev rt2x00dev, struct sk_buff skb);
	121
9f166171 ID	122	/**
	123	* rt2x00queue_payload_align - Align 802.11 payload to 4-byte boundary
	124	* @skb: The skb to align
	125	* @l2pad: Should L2 padding be used
	126	* @header_length: Length of 802.11 header
	127	*
	128	* This function prepares the @skb to be send to the device or mac80211.
	129	* If @l2pad is set to true padding will occur between the 802.11 header
	130	* and payload. Otherwise the padding will be done in front of the 802.11
	131	* header.
	132	* When @l2pad is set the function will check for the &SKBDESC_L2_PADDED
	133	* flag in &skb_frame_desc. If that flag is set, the padding is removed
	134	* and the flag cleared. Otherwise the padding is added and the flag is set.
	135	*/
	136	void rt2x00queue_payload_align(struct sk_buff *skb,
	137	bool l2pad, unsigned int header_length);
	138
d74f5ba4 ID	139	/**
	140	* rt2x00queue_write_tx_frame - Write TX frame to hardware
	141	* @queue: Queue over which the frame should be send
	142	* @skb: The skb to send
181d6902	143	*/
6db3786a	144	int rt2x00queue_write_tx_frame(struct data_queue queue, struct sk_buff skb);
d74f5ba4	145
bd88a781 ID	146	/**
	147	* rt2x00queue_update_beacon - Send new beacon from mac80211 to hardware
	148	* @rt2x00dev: Pointer to &struct rt2x00_dev.
	149	* @vif: Interface for which the beacon should be updated.
a2c9b652	150	* @enable_beacon: Enable beaconing
bd88a781 ID	151	*/
bd88a781 ID	152	int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev,
a2c9b652 ID	153	struct ieee80211_vif *vif,
a2c9b652 ID	154	const bool enable_beacon);
bd88a781	155
d74f5ba4 ID	156	/**
	157	* rt2x00queue_index_inc - Index incrementation function
	158	* @queue: Queue (&struct data_queue) to perform the action on.
	159	* @index: Index type (&enum queue_index) to perform the action on.
	160	*
	161	* This function will increase the requested index on the queue,
	162	* it will grab the appropriate locks and handle queue overflow events by
	163	* resetting the index to the start of the queue.
	164	*/
	165	void rt2x00queue_index_inc(struct data_queue *queue, enum queue_index index);
	166
a2c9b652 ID	167	/**
	168	* rt2x00queue_stop_queues - Halt all data queues
	169	* @rt2x00dev: Pointer to &struct rt2x00_dev.
	170	*
	171	* This function will loop through all available queues to stop
	172	* any pending outgoing frames.
	173	*/
	174	void rt2x00queue_stop_queues(struct rt2x00_dev *rt2x00dev);
	175
798b7adb ID	176	/**
	177	* rt2x00queue_init_queues - Initialize all data queues
	178	* @rt2x00dev: Pointer to &struct rt2x00_dev.
	179	*
	180	* This function will loop through all available queues to clear all
	181	* index numbers and set the queue entry to the correct initialization
	182	* state.
	183	*/
	184	void rt2x00queue_init_queues(struct rt2x00_dev *rt2x00dev);
	185
181d6902 ID	186	int rt2x00queue_initialize(struct rt2x00_dev *rt2x00dev);
	187	void rt2x00queue_uninitialize(struct rt2x00_dev *rt2x00dev);
	188	int rt2x00queue_allocate(struct rt2x00_dev *rt2x00dev);
	189	void rt2x00queue_free(struct rt2x00_dev *rt2x00dev);
	190
84e3196f ID	191	/**
	192	* rt2x00link_update_stats - Update link statistics from RX frame
	193	* @rt2x00dev: Pointer to &struct rt2x00_dev.
	194	* @skb: Received frame
	195	* @rxdesc: Received frame descriptor
	196	*
	197	* Update link statistics based on the information from the
	198	* received frame descriptor.
	199	*/
	200	void rt2x00link_update_stats(struct rt2x00_dev *rt2x00dev,
	201	struct sk_buff *skb,
	202	struct rxdone_entry_desc *rxdesc);
	203
	204	/**
	205	* rt2x00link_calculate_signal - Calculate signal quality
	206	* @rt2x00dev: Pointer to &struct rt2x00_dev.
	207	* @rssi: RX Frame RSSI
	208	*
	209	* Calculate the signal quality of a frame based on the rssi
	210	* measured during the receiving of the frame and the global
	211	* link quality statistics measured since the start of the
	212	* link tuning. The result is a value between 0 and 100 which
	213	* is an indication of the signal quality.
	214	*/
	215	int rt2x00link_calculate_signal(struct rt2x00_dev *rt2x00dev, int rssi);
	216
	217	/**
	218	* rt2x00link_start_tuner - Start periodic link tuner work
	219	* @rt2x00dev: Pointer to &struct rt2x00_dev.
	220	*
	221	* This start the link tuner periodic work, this work will
	222	* be executed periodically until &rt2x00link_stop_tuner has
	223	* been called.
	224	*/
	225	void rt2x00link_start_tuner(struct rt2x00_dev *rt2x00dev);
	226
	227	/**
	228	* rt2x00link_stop_tuner - Stop periodic link tuner work
	229	* @rt2x00dev: Pointer to &struct rt2x00_dev.
	230	*
	231	* After this function completed the link tuner will not
	232	* be running until &rt2x00link_start_tuner is called.
	233	*/
	234	void rt2x00link_stop_tuner(struct rt2x00_dev *rt2x00dev);
	235
	236	/**
	237	* rt2x00link_reset_tuner - Reset periodic link tuner work
	238	* @rt2x00dev: Pointer to &struct rt2x00_dev.
	239	* @antenna: Should the antenna tuning also be reset
	240	*
	241	* The VGC limit configured in the hardware will be reset to 0
	242	* which forces the driver to rediscover the correct value for
	243	* the current association. This is needed when configuration
	244	* options have changed which could drastically change the
	245	* SNR level or link quality (i.e. changing the antenna setting).
	246	*
	247	* Resetting the link tuner will also cause the periodic work counter
	248	* to be reset. Any driver which has a fixed limit on the number
	249	* of rounds the link tuner is supposed to work will accept the
	250	* tuner actions again if this limit was previously reached.
	251	*
	252	* If @antenna is set to true a the software antenna diversity
	253	* tuning will also be reset.
	254	*/
255	void rt2x00link_reset_tuner(struct rt2x00_dev *rt2x00dev, bool antenna);
256
257	/**
258	* rt2x00link_register - Initialize link tuning functionality
259	* @rt2x00dev: Pointer to &struct rt2x00_dev.
260	*
261	* Initialize work structure and all link tuning related
98a1708d	262	* parameters. This will not start the link tuning process itself.
84e3196f ID	263	*/
	264	void rt2x00link_register(struct rt2x00_dev *rt2x00dev);
	265
95ea3627 ID	266	/*
	267	* Firmware handlers.
	268	*/
	269	#ifdef CONFIG_RT2X00_LIB_FIRMWARE
	270	int rt2x00lib_load_firmware(struct rt2x00_dev *rt2x00dev);
	271	void rt2x00lib_free_firmware(struct rt2x00_dev *rt2x00dev);
	272	#else
	273	static inline int rt2x00lib_load_firmware(struct rt2x00_dev *rt2x00dev)
	274	{
	275	return 0;
	276	}
	277	static inline void rt2x00lib_free_firmware(struct rt2x00_dev *rt2x00dev)
	278	{
	279	}
	280	#endif /* CONFIG_RT2X00_LIB_FIRMWARE */
	281
	282	/*
	283	* Debugfs handlers.
	284	*/
	285	#ifdef CONFIG_RT2X00_LIB_DEBUGFS
	286	void rt2x00debug_register(struct rt2x00_dev *rt2x00dev);
	287	void rt2x00debug_deregister(struct rt2x00_dev *rt2x00dev);
5a6e5999 ID	288	void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev,
5a6e5999 ID	289	enum rt2x00_dump_type type, struct sk_buff *skb);
2bb057d0	290	void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev,
84e3196f	291	struct rxdone_entry_desc *rxdesc);
95ea3627 ID	292	#else
	293	static inline void rt2x00debug_register(struct rt2x00_dev *rt2x00dev)
	294	{
	295	}
	296
	297	static inline void rt2x00debug_deregister(struct rt2x00_dev *rt2x00dev)
	298	{
	299	}
4d8dd66c ID	300
4d8dd66c ID	301	static inline void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev,
5a6e5999	302	enum rt2x00_dump_type type,
2b1ea591	303	struct sk_buff *skb)
4d8dd66c ID	304	{
4d8dd66c ID	305	}
2bb057d0 ID	306
2bb057d0 ID	307	static inline void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev,
84e3196f	308	struct rxdone_entry_desc *rxdesc)
2bb057d0 ID	309	{
2bb057d0 ID	310	}
95ea3627 ID	311	#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
95ea3627 ID	312
2bb057d0 ID	313	/*
	314	* Crypto handlers.
	315	*/
	316	#ifdef CONFIG_RT2X00_LIB_CRYPTO
	317	enum cipher rt2x00crypto_key_to_cipher(struct ieee80211_key_conf *key);
9c3444d3 ID	318	void rt2x00crypto_create_tx_descriptor(struct queue_entry *entry,
9c3444d3 ID	319	struct txentry_desc *txdesc);
7b40982e ID	320	unsigned int rt2x00crypto_tx_overhead(struct rt2x00_dev *rt2x00dev,
7b40982e ID	321	struct sk_buff *skb);
9eb4e21e ID	322	void rt2x00crypto_tx_copy_iv(struct sk_buff *skb,
	323	struct txentry_desc *txdesc);
	324	void rt2x00crypto_tx_remove_iv(struct sk_buff *skb,
	325	struct txentry_desc *txdesc);
9f166171 ID	326	void rt2x00crypto_tx_insert_iv(struct sk_buff *skb, unsigned int header_length);
9f166171 ID	327	void rt2x00crypto_rx_insert_iv(struct sk_buff *skb, bool l2pad,
2bb057d0 ID	328	unsigned int header_length,
	329	struct rxdone_entry_desc *rxdesc);
	330	#else
	331	static inline enum cipher rt2x00crypto_key_to_cipher(struct ieee80211_key_conf *key)
	332	{
	333	return CIPHER_NONE;
	334	}
	335
9c3444d3 ID	336	static inline void rt2x00crypto_create_tx_descriptor(struct queue_entry *entry,
	337	struct txentry_desc *txdesc)
	338	{
	339	}
	340
7b40982e ID	341	static inline unsigned int rt2x00crypto_tx_overhead(struct rt2x00_dev *rt2x00dev,
7b40982e ID	342	struct sk_buff *skb)
2bb057d0 ID	343	{
	344	return 0;
	345	}
	346
dddfb478	347	static inline void rt2x00crypto_tx_copy_iv(struct sk_buff *skb,
9eb4e21e	348	struct txentry_desc *txdesc)
dddfb478 ID	349	{
	350	}
	351
2bb057d0	352	static inline void rt2x00crypto_tx_remove_iv(struct sk_buff *skb,
9eb4e21e	353	struct txentry_desc *txdesc)
2bb057d0 ID	354	{
	355	}
	356
9f166171 ID	357	static inline void rt2x00crypto_tx_insert_iv(struct sk_buff *skb,
9f166171 ID	358	unsigned int header_length)
2bb057d0 ID	359	{
	360	}
	361
9f166171	362	static inline void rt2x00crypto_rx_insert_iv(struct sk_buff *skb, bool l2pad,
2bb057d0 ID	363	unsigned int header_length,
	364	struct rxdone_entry_desc *rxdesc)
	365	{
	366	}
9c3444d3	367	#endif /* CONFIG_RT2X00_LIB_CRYPTO */
2bb057d0	368
35f00cfc ID	369	/*
	370	* HT handlers.
	371	*/
	372	#ifdef CONFIG_RT2X00_LIB_HT
	373	void rt2x00ht_create_tx_descriptor(struct queue_entry *entry,
	374	struct txentry_desc *txdesc,
	375	const struct rt2x00_rate *hwrate);
	376	#else
	377	static inline void rt2x00ht_create_tx_descriptor(struct queue_entry *entry,
	378	struct txentry_desc *txdesc,
	379	const struct rt2x00_rate *hwrate)
	380	{
	381	}
	382	#endif /* CONFIG_RT2X00_LIB_HT */
	383
95ea3627 ID	384	/*
	385	* RFkill handlers.
	386	*/
1682fe6d	387	static inline void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev)
95ea3627	388	{
e47a5cdd ID	389	if (test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags))
e47a5cdd ID	390	wiphy_rfkill_start_polling(rt2x00dev->hw->wiphy);
95ea3627 ID	391	}
	392
	393	static inline void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev)
	394	{
e47a5cdd ID	395	if (test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags))
e47a5cdd ID	396	wiphy_rfkill_stop_polling(rt2x00dev->hw->wiphy);
95ea3627 ID	397	}
95ea3627 ID	398
a9450b70 ID	399	/*
	400	* LED handlers
	401	*/
	402	#ifdef CONFIG_RT2X00_LIB_LEDS
	403	void rt2x00leds_led_quality(struct rt2x00_dev *rt2x00dev, int rssi);
61c2b682	404	void rt2x00led_led_activity(struct rt2x00_dev *rt2x00dev, bool enabled);
a2e1d52a ID	405	void rt2x00leds_led_assoc(struct rt2x00_dev *rt2x00dev, bool enabled);
a2e1d52a ID	406	void rt2x00leds_led_radio(struct rt2x00_dev *rt2x00dev, bool enabled);
72fa559b	407	void rt2x00leds_register(struct rt2x00_dev *rt2x00dev);
a9450b70 ID	408	void rt2x00leds_unregister(struct rt2x00_dev *rt2x00dev);
	409	void rt2x00leds_suspend(struct rt2x00_dev *rt2x00dev);
	410	void rt2x00leds_resume(struct rt2x00_dev *rt2x00dev);
	411	#else
	412	static inline void rt2x00leds_led_quality(struct rt2x00_dev *rt2x00dev,
	413	int rssi)
	414	{
	415	}
	416
61c2b682 ID	417	static inline void rt2x00led_led_activity(struct rt2x00_dev *rt2x00dev,
	418	bool enabled)
	419	{
	420	}
	421
a2e1d52a ID	422	static inline void rt2x00leds_led_assoc(struct rt2x00_dev *rt2x00dev,
	423	bool enabled)
	424	{
	425	}
	426
	427	static inline void rt2x00leds_led_radio(struct rt2x00_dev *rt2x00dev,
	428	bool enabled)
	429	{
	430	}
	431
72fa559b	432	static inline void rt2x00leds_register(struct rt2x00_dev *rt2x00dev)
a9450b70	433	{
a9450b70 ID	434	}
	435
	436	static inline void rt2x00leds_unregister(struct rt2x00_dev *rt2x00dev)
	437	{
	438	}
	439
	440	static inline void rt2x00leds_suspend(struct rt2x00_dev *rt2x00dev)
	441	{
	442	}
	443
	444	static inline void rt2x00leds_resume(struct rt2x00_dev *rt2x00dev)
	445	{
	446	}
	447	#endif /* CONFIG_RT2X00_LIB_LEDS */
	448
95ea3627	449	#endif /* RT2X00LIB_H */