277 lines
7.7 KiB
C
277 lines
7.7 KiB
C
/*
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Copyright (C) 2004 - 2008 rt2x00 SourceForge Project
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<http://rt2x00.serialmonkey.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the
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Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/*
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Module: rt2x00lib
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Abstract: Data structures and definitions for the rt2x00lib module.
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*/
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#ifndef RT2X00LIB_H
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#define RT2X00LIB_H
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#include "rt2x00dump.h"
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/*
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* Interval defines
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* Both the link tuner as the rfkill will be called once per second.
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*/
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#define LINK_TUNE_INTERVAL ( round_jiffies_relative(HZ) )
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#define RFKILL_POLL_INTERVAL ( round_jiffies_relative(HZ) )
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/*
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* rt2x00_rate: Per rate device information
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*/
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struct rt2x00_rate {
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unsigned short flags;
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#define DEV_RATE_CCK 0x0001
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#define DEV_RATE_OFDM 0x0002
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#define DEV_RATE_SHORT_PREAMBLE 0x0004
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#define DEV_RATE_BASIC 0x0008
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unsigned short bitrate; /* In 100kbit/s */
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unsigned short ratemask;
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unsigned short plcp;
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};
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extern const struct rt2x00_rate rt2x00_supported_rates[12];
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static inline u16 rt2x00_create_rate_hw_value(const u16 index,
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const u16 short_preamble)
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{
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return (short_preamble << 8) | (index & 0xff);
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}
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static inline const struct rt2x00_rate *rt2x00_get_rate(const u16 hw_value)
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{
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return &rt2x00_supported_rates[hw_value & 0xff];
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}
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static inline int rt2x00_get_rate_preamble(const u16 hw_value)
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{
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return (hw_value & 0xff00);
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}
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/*
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* Radio control handlers.
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*/
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int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev);
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void rt2x00lib_disable_radio(struct rt2x00_dev *rt2x00dev);
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void rt2x00lib_toggle_rx(struct rt2x00_dev *rt2x00dev, enum dev_state state);
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void rt2x00lib_reset_link_tuner(struct rt2x00_dev *rt2x00dev);
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/*
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* Initialization handlers.
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*/
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int rt2x00lib_start(struct rt2x00_dev *rt2x00dev);
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void rt2x00lib_stop(struct rt2x00_dev *rt2x00dev);
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/*
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* Configuration handlers.
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*/
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void rt2x00lib_config_intf(struct rt2x00_dev *rt2x00dev,
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struct rt2x00_intf *intf,
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enum ieee80211_if_types type,
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u8 *mac, u8 *bssid);
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void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev,
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struct rt2x00_intf *intf,
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struct ieee80211_bss_conf *conf);
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void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
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enum antenna rx, enum antenna tx);
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void rt2x00lib_config(struct rt2x00_dev *rt2x00dev,
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struct ieee80211_conf *conf, const int force_config);
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/**
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* DOC: Queue handlers
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*/
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/**
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* rt2x00queue_alloc_rxskb - allocate a skb for RX purposes.
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* @rt2x00dev: Pointer to &struct rt2x00_dev.
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* @queue: The queue for which the skb will be applicable.
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*/
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struct sk_buff *rt2x00queue_alloc_rxskb(struct rt2x00_dev *rt2x00dev,
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struct queue_entry *entry);
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/**
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* rt2x00queue_unmap_skb - Unmap a skb from DMA.
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* @rt2x00dev: Pointer to &struct rt2x00_dev.
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* @skb: The skb to unmap.
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*/
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void rt2x00queue_unmap_skb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb);
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/**
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* rt2x00queue_free_skb - free a skb
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* @rt2x00dev: Pointer to &struct rt2x00_dev.
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* @skb: The skb to free.
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*/
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void rt2x00queue_free_skb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb);
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/**
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* rt2x00queue_write_tx_frame - Write TX frame to hardware
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* @queue: Queue over which the frame should be send
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* @skb: The skb to send
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*/
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int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb);
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/**
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* rt2x00queue_update_beacon - Send new beacon from mac80211 to hardware
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* @rt2x00dev: Pointer to &struct rt2x00_dev.
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* @vif: Interface for which the beacon should be updated.
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*/
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int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev,
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struct ieee80211_vif *vif);
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/**
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* rt2x00queue_index_inc - Index incrementation function
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* @queue: Queue (&struct data_queue) to perform the action on.
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* @index: Index type (&enum queue_index) to perform the action on.
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*
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* This function will increase the requested index on the queue,
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* it will grab the appropriate locks and handle queue overflow events by
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* resetting the index to the start of the queue.
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*/
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void rt2x00queue_index_inc(struct data_queue *queue, enum queue_index index);
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void rt2x00queue_init_rx(struct rt2x00_dev *rt2x00dev);
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void rt2x00queue_init_tx(struct rt2x00_dev *rt2x00dev);
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int rt2x00queue_initialize(struct rt2x00_dev *rt2x00dev);
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void rt2x00queue_uninitialize(struct rt2x00_dev *rt2x00dev);
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int rt2x00queue_allocate(struct rt2x00_dev *rt2x00dev);
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void rt2x00queue_free(struct rt2x00_dev *rt2x00dev);
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/*
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* Firmware handlers.
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*/
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#ifdef CONFIG_RT2X00_LIB_FIRMWARE
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int rt2x00lib_load_firmware(struct rt2x00_dev *rt2x00dev);
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void rt2x00lib_free_firmware(struct rt2x00_dev *rt2x00dev);
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#else
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static inline int rt2x00lib_load_firmware(struct rt2x00_dev *rt2x00dev)
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{
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return 0;
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}
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static inline void rt2x00lib_free_firmware(struct rt2x00_dev *rt2x00dev)
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{
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}
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#endif /* CONFIG_RT2X00_LIB_FIRMWARE */
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/*
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* Debugfs handlers.
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*/
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#ifdef CONFIG_RT2X00_LIB_DEBUGFS
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void rt2x00debug_register(struct rt2x00_dev *rt2x00dev);
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void rt2x00debug_deregister(struct rt2x00_dev *rt2x00dev);
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void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev,
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enum rt2x00_dump_type type, struct sk_buff *skb);
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#else
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static inline void rt2x00debug_register(struct rt2x00_dev *rt2x00dev)
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{
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}
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static inline void rt2x00debug_deregister(struct rt2x00_dev *rt2x00dev)
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{
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}
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static inline void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev,
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enum rt2x00_dump_type type,
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struct sk_buff *skb)
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{
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}
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#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
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/*
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* RFkill handlers.
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*/
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#ifdef CONFIG_RT2X00_LIB_RFKILL
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void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev);
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void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev);
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void rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev);
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void rt2x00rfkill_free(struct rt2x00_dev *rt2x00dev);
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#else
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static inline void rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev)
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{
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}
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static inline void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev)
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{
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}
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static inline void rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev)
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{
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}
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static inline void rt2x00rfkill_free(struct rt2x00_dev *rt2x00dev)
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{
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}
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#endif /* CONFIG_RT2X00_LIB_RFKILL */
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/*
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* LED handlers
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*/
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#ifdef CONFIG_RT2X00_LIB_LEDS
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void rt2x00leds_led_quality(struct rt2x00_dev *rt2x00dev, int rssi);
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void rt2x00led_led_activity(struct rt2x00_dev *rt2x00dev, bool enabled);
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void rt2x00leds_led_assoc(struct rt2x00_dev *rt2x00dev, bool enabled);
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void rt2x00leds_led_radio(struct rt2x00_dev *rt2x00dev, bool enabled);
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void rt2x00leds_register(struct rt2x00_dev *rt2x00dev);
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void rt2x00leds_unregister(struct rt2x00_dev *rt2x00dev);
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void rt2x00leds_suspend(struct rt2x00_dev *rt2x00dev);
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void rt2x00leds_resume(struct rt2x00_dev *rt2x00dev);
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#else
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static inline void rt2x00leds_led_quality(struct rt2x00_dev *rt2x00dev,
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int rssi)
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{
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}
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static inline void rt2x00led_led_activity(struct rt2x00_dev *rt2x00dev,
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bool enabled)
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{
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}
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static inline void rt2x00leds_led_assoc(struct rt2x00_dev *rt2x00dev,
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bool enabled)
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{
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}
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static inline void rt2x00leds_led_radio(struct rt2x00_dev *rt2x00dev,
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bool enabled)
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{
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}
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static inline void rt2x00leds_register(struct rt2x00_dev *rt2x00dev)
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{
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}
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static inline void rt2x00leds_unregister(struct rt2x00_dev *rt2x00dev)
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{
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}
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static inline void rt2x00leds_suspend(struct rt2x00_dev *rt2x00dev)
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{
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}
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static inline void rt2x00leds_resume(struct rt2x00_dev *rt2x00dev)
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{
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}
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#endif /* CONFIG_RT2X00_LIB_LEDS */
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#endif /* RT2X00LIB_H */
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