9c3444d33e
Move all code which determines the right TX descriptor fields specific to crypto support into rt2x00crypto.c. This makes the code in rt2x00queue more simpler and better concentrates all crypto code into a single location. With this we can also remove some ifdefs in rt2x00queue.c since the code inside the ifdef is either very small, or only calling empty functions (see empty function definitions in rt2x00lib.h). Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
345 lines
9.6 KiB
C
345 lines
9.6 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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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 nl80211_iftype 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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struct antenna_setup *ant);
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void rt2x00lib_config(struct rt2x00_dev *rt2x00dev,
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struct ieee80211_conf *conf,
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const unsigned int changed_flags);
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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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/**
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* rt2x00queue_init_queues - Initialize all data queues
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* @rt2x00dev: Pointer to &struct rt2x00_dev.
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*
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* This function will loop through all available queues to clear all
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* index numbers and set the queue entry to the correct initialization
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* state.
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*/
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void rt2x00queue_init_queues(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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void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev,
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enum cipher cipher, enum rx_crypto status);
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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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static inline void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev,
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enum cipher cipher,
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enum rx_crypto status)
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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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* Crypto handlers.
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*/
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#ifdef CONFIG_RT2X00_LIB_CRYPTO
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enum cipher rt2x00crypto_key_to_cipher(struct ieee80211_key_conf *key);
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void rt2x00crypto_create_tx_descriptor(struct queue_entry *entry,
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struct txentry_desc *txdesc);
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unsigned int rt2x00crypto_tx_overhead(struct ieee80211_tx_info *tx_info);
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void rt2x00crypto_tx_copy_iv(struct sk_buff *skb, unsigned int iv_len);
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void rt2x00crypto_tx_remove_iv(struct sk_buff *skb, unsigned int iv_len);
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void rt2x00crypto_tx_insert_iv(struct sk_buff *skb);
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void rt2x00crypto_rx_insert_iv(struct sk_buff *skb, unsigned int align,
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unsigned int header_length,
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struct rxdone_entry_desc *rxdesc);
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#else
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static inline enum cipher rt2x00crypto_key_to_cipher(struct ieee80211_key_conf *key)
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{
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return CIPHER_NONE;
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}
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static inline void rt2x00crypto_create_tx_descriptor(struct queue_entry *entry,
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struct txentry_desc *txdesc)
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{
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}
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static inline unsigned int rt2x00crypto_tx_overhead(struct ieee80211_tx_info *tx_info)
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{
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return 0;
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}
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static inline void rt2x00crypto_tx_copy_iv(struct sk_buff *skb,
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unsigned int iv_len)
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{
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}
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static inline void rt2x00crypto_tx_remove_iv(struct sk_buff *skb,
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unsigned int iv_len)
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{
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}
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static inline void rt2x00crypto_tx_insert_iv(struct sk_buff *skb)
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{
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}
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static inline void rt2x00crypto_rx_insert_iv(struct sk_buff *skb,
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unsigned int align,
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unsigned int header_length,
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struct rxdone_entry_desc *rxdesc)
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{
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}
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#endif /* CONFIG_RT2X00_LIB_CRYPTO */
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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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