Release 4.8 drivers/net/wireless/ralink/rt2x00/rt2x00lib.h
/*
Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
Copyright (C) 2004 - 2009 Gertjan van Wingerde <gwingerde@gmail.com>
<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, see <http://www.gnu.org/licenses/>.
*/
/*
Module: rt2x00lib
Abstract: Data structures and definitions for the rt2x00lib module.
*/
#ifndef RT2X00LIB_H
#define RT2X00LIB_H
/*
* Interval defines
*/
#define WATCHDOG_INTERVAL round_jiffies_relative(HZ)
#define LINK_TUNE_INTERVAL round_jiffies_relative(HZ)
#define AGC_INTERVAL round_jiffies_relative(4 * HZ)
#define VCO_INTERVAL round_jiffies_relative(10 * HZ)
/* 10 sec */
/*
* 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];
}
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#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);
}
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/*
* Radio control handlers.
*/
int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev);
void rt2x00lib_disable_radio(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,
const u8 *mac, const u8 *bssid);
void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev,
struct rt2x00_intf *intf,
struct ieee80211_bss_conf *conf,
u32 changed);
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.
* @entry: The entry for which the skb will be applicable.
*/
struct sk_buff *rt2x00queue_alloc_rxskb(struct queue_entry *entry, gfp_t gfp);
/**
* rt2x00queue_free_skb - free a skb
* @entry: The entry for which the skb will be applicable.
*/
void rt2x00queue_free_skb(struct queue_entry *entry);
/**
* rt2x00queue_align_frame - Align 802.11 frame to 4-byte boundary
* @skb: The skb to align
*
* Align the start of the 802.11 frame to a 4-byte boundary, this could
* mean the payload is not aligned properly though.
*/
void rt2x00queue_align_frame(struct sk_buff *skb);
/**
* rt2x00queue_insert_l2pad - Align 802.11 header & payload to 4-byte boundary
* @skb: The skb to align
* @header_length: Length of 802.11 header
*
* Apply L2 padding to align both header and payload to 4-byte boundary
*/
void rt2x00queue_insert_l2pad(struct sk_buff *skb, unsigned int header_length);
/**
* rt2x00queue_insert_l2pad - Remove L2 padding from 802.11 frame
* @skb: The skb to align
* @header_length: Length of 802.11 header
*
* Remove L2 padding used to align both header and payload to 4-byte boundary,
* by removing the L2 padding the header will no longer be 4-byte aligned.
*/
void rt2x00queue_remove_l2pad(struct sk_buff *skb, 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
* @local: frame is not from mac80211
*/
int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb,
struct ieee80211_sta *sta, bool local);
/**
* rt2x00queue_update_beacon - Send new beacon from mac80211
* to hardware. Handles locking by itself (mutex).
* @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_update_beacon_locked - Send new beacon from mac80211
* to hardware. Caller needs to ensure locking.
* @rt2x00dev: Pointer to &struct rt2x00_dev.
* @vif: Interface for which the beacon should be updated.
*/
int rt2x00queue_update_beacon_locked(struct rt2x00_dev *rt2x00dev,
struct ieee80211_vif *vif);
/**
* rt2x00queue_clear_beacon - Clear beacon in hardware
* @rt2x00dev: Pointer to &struct rt2x00_dev.
* @vif: Interface for which the beacon should be updated.
*/
int rt2x00queue_clear_beacon(struct rt2x00_dev *rt2x00dev,
struct ieee80211_vif *vif);
/**
* rt2x00queue_index_inc - Index incrementation function
* @entry: Queue entry (&struct queue_entry) 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 entry's 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 queue_entry *entry, enum queue_index index);
/**
* 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_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_start_watchdog - Start periodic watchdog monitoring
* @rt2x00dev: Pointer to &struct rt2x00_dev.
*
* This start the watchdog periodic work, this work will
*be executed periodically until &rt2x00link_stop_watchdog has
* been called.
*/
void rt2x00link_start_watchdog(struct rt2x00_dev *rt2x00dev);
/**
* rt2x00link_stop_watchdog - Stop periodic watchdog monitoring
* @rt2x00dev: Pointer to &struct rt2x00_dev.
*
* After this function completed the watchdog monitoring will not
* be running until &rt2x00link_start_watchdog is called.
*/
void rt2x00link_stop_watchdog(struct rt2x00_dev *rt2x00dev);
/**
* rt2x00link_start_agc - Start periodic gain calibration
* @rt2x00dev: Pointer to &struct rt2x00_dev.
*/
void rt2x00link_start_agc(struct rt2x00_dev *rt2x00dev);
/**
* rt2x00link_start_vcocal - Start periodic VCO calibration
* @rt2x00dev: Pointer to &struct rt2x00_dev.
*/
void rt2x00link_start_vcocal(struct rt2x00_dev *rt2x00dev);
/**
* rt2x00link_stop_agc - Stop periodic gain calibration
* @rt2x00dev: Pointer to &struct rt2x00_dev.
*/
void rt2x00link_stop_agc(struct rt2x00_dev *rt2x00dev);
/**
* rt2x00link_stop_vcocal - Stop periodic VCO calibration
* @rt2x00dev: Pointer to &struct rt2x00_dev.
*/
void rt2x00link_stop_vcocal(struct rt2x00_dev *rt2x00dev);
/**
* rt2x00link_register - Initialize link tuning & watchdog functionality
* @rt2x00dev: Pointer to &struct rt2x00_dev.
*
* Initialize work structure and all link tuning and watchdog related
* parameters. This will not start the periodic work 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;
}
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static inline void rt2x00lib_free_firmware(struct rt2x00_dev *rt2x00dev)
{
}
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#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_update_crypto(struct rt2x00_dev *rt2x00dev,
struct rxdone_entry_desc *rxdesc);
#else
static inline void rt2x00debug_register(struct rt2x00_dev *rt2x00dev)
{
}
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static inline void rt2x00debug_deregister(struct rt2x00_dev *rt2x00dev)
{
}
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static inline void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev,
struct rxdone_entry_desc *rxdesc)
{
}
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#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 rt2x00_dev *rt2x00dev,
struct sk_buff *skb,
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,
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;
}
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static inline void rt2x00crypto_create_tx_descriptor(struct rt2x00_dev *rt2x00dev,
struct sk_buff *skb,
struct txentry_desc *txdesc)
{
}
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static inline unsigned int rt2x00crypto_tx_overhead(struct rt2x00_dev *rt2x00dev,
struct sk_buff *skb)
{
return 0;
}
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static inline void rt2x00crypto_tx_copy_iv(struct sk_buff *skb,
struct txentry_desc *txdesc)
{
}
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static inline void rt2x00crypto_tx_remove_iv(struct sk_buff *skb,
struct txentry_desc *txdesc)
{
}
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static inline void rt2x00crypto_tx_insert_iv(struct sk_buff *skb,
unsigned int header_length)
{
}
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static inline void rt2x00crypto_rx_insert_iv(struct sk_buff *skb,
unsigned int header_length,
struct rxdone_entry_desc *rxdesc)
{
}
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#endif /* CONFIG_RT2X00_LIB_CRYPTO */
/*
* RFkill handlers.
*/
static inline void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev)
{
if (test_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags))
wiphy_rfkill_start_polling(rt2x00dev->hw->wiphy);
}
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static inline void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev)
{
if (test_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags))
wiphy_rfkill_stop_polling(rt2x00dev->hw->wiphy);
}
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/*
* 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)
{
}
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static inline void rt2x00led_led_activity(struct rt2x00_dev *rt2x00dev,
bool enabled)
{
}
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static inline void rt2x00leds_led_assoc(struct rt2x00_dev *rt2x00dev,
bool enabled)
{
}
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static inline void rt2x00leds_led_radio(struct rt2x00_dev *rt2x00dev,
bool enabled)
{
}
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static inline void rt2x00leds_register(struct rt2x00_dev *rt2x00dev)
{
}
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static inline void rt2x00leds_unregister(struct rt2x00_dev *rt2x00dev)
{
}
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static inline void rt2x00leds_suspend(struct rt2x00_dev *rt2x00dev)
{
}
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static inline void rt2x00leds_resume(struct rt2x00_dev *rt2x00dev)
{
}
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#endif /* CONFIG_RT2X00_LIB_LEDS */
#endif /* RT2X00LIB_H */
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| ivo van doorn | ivo van doorn | 1076 | 90.19% | 35 | 68.63% |
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| john li | john li | 25 | 2.10% | 1 | 1.96% |
| johannes berg | johannes berg | 7 | 0.59% | 3 | 5.88% |
| gertjan van wingerde | gertjan van wingerde | 7 | 0.59% | 1 | 1.96% |
| stanislaw gruszka | stanislaw gruszka | 5 | 0.42% | 1 | 1.96% |
| johannes stezenbach | johannes stezenbach | 3 | 0.25% | 1 | 1.96% |
| mark einon | mark einon | 1 | 0.08% | 1 | 1.96% |
| alban browaeys | alban browaeys | 1 | 0.08% | 1 | 1.96% |
| jeff kirsher | jeff kirsher | 1 | 0.08% | 1 | 1.96% |
| Total | 1193 | 100.00% | 51 | 100.00% |
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