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authorKalle Valo <kvalo@codeaurora.org>2015-11-18 10:18:44 +0200
committerKalle Valo <kvalo@codeaurora.org>2015-11-18 14:28:31 +0200
commit33aca94d797d7a8b6b4911ba02060c4fa9a0c47d (patch)
tree8f4b1ce7ac83e747763be157671c5885ed7376d9 /drivers/net/wireless/rt2x00/rt2x00.h
parent941a967c98362d6ba9a5d8bb6fdc1b70d7179602 (diff)
rt2x00: move under ralink vendor directory
Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00.h')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00.h1478
1 files changed, 0 insertions, 1478 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
deleted file mode 100644
index 3282ddb766f4..000000000000
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ /dev/null
@@ -1,1478 +0,0 @@
-/*
- Copyright (C) 2010 Willow Garage <http://www.willowgarage.com>
- Copyright (C) 2004 - 2010 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: rt2x00
- Abstract: rt2x00 global information.
- */
-
-#ifndef RT2X00_H
-#define RT2X00_H
-
-#include <linux/bitops.h>
-#include <linux/interrupt.h>
-#include <linux/skbuff.h>
-#include <linux/workqueue.h>
-#include <linux/firmware.h>
-#include <linux/leds.h>
-#include <linux/mutex.h>
-#include <linux/etherdevice.h>
-#include <linux/input-polldev.h>
-#include <linux/kfifo.h>
-#include <linux/hrtimer.h>
-#include <linux/average.h>
-
-#include <net/mac80211.h>
-
-#include "rt2x00debug.h"
-#include "rt2x00dump.h"
-#include "rt2x00leds.h"
-#include "rt2x00reg.h"
-#include "rt2x00queue.h"
-
-/*
- * Module information.
- */
-#define DRV_VERSION "2.3.0"
-#define DRV_PROJECT "http://rt2x00.serialmonkey.com"
-
-/* Debug definitions.
- * Debug output has to be enabled during compile time.
- */
-#ifdef CONFIG_RT2X00_DEBUG
-#define DEBUG
-#endif /* CONFIG_RT2X00_DEBUG */
-
-/* Utility printing macros
- * rt2x00_probe_err is for messages when rt2x00_dev is uninitialized
- */
-#define rt2x00_probe_err(fmt, ...) \
- printk(KERN_ERR KBUILD_MODNAME ": %s: Error - " fmt, \
- __func__, ##__VA_ARGS__)
-#define rt2x00_err(dev, fmt, ...) \
- wiphy_err((dev)->hw->wiphy, "%s: Error - " fmt, \
- __func__, ##__VA_ARGS__)
-#define rt2x00_warn(dev, fmt, ...) \
- wiphy_warn((dev)->hw->wiphy, "%s: Warning - " fmt, \
- __func__, ##__VA_ARGS__)
-#define rt2x00_info(dev, fmt, ...) \
- wiphy_info((dev)->hw->wiphy, "%s: Info - " fmt, \
- __func__, ##__VA_ARGS__)
-
-/* Various debug levels */
-#define rt2x00_dbg(dev, fmt, ...) \
- wiphy_dbg((dev)->hw->wiphy, "%s: Debug - " fmt, \
- __func__, ##__VA_ARGS__)
-#define rt2x00_eeprom_dbg(dev, fmt, ...) \
- wiphy_dbg((dev)->hw->wiphy, "%s: EEPROM recovery - " fmt, \
- __func__, ##__VA_ARGS__)
-
-/*
- * Duration calculations
- * The rate variable passed is: 100kbs.
- * To convert from bytes to bits we multiply size with 8,
- * then the size is multiplied with 10 to make the
- * real rate -> rate argument correction.
- */
-#define GET_DURATION(__size, __rate) (((__size) * 8 * 10) / (__rate))
-#define GET_DURATION_RES(__size, __rate)(((__size) * 8 * 10) % (__rate))
-
-/*
- * Determine the number of L2 padding bytes required between the header and
- * the payload.
- */
-#define L2PAD_SIZE(__hdrlen) (-(__hdrlen) & 3)
-
-/*
- * Determine the alignment requirement,
- * to make sure the 802.11 payload is padded to a 4-byte boundrary
- * we must determine the address of the payload and calculate the
- * amount of bytes needed to move the data.
- */
-#define ALIGN_SIZE(__skb, __header) \
- ( ((unsigned long)((__skb)->data + (__header))) & 3 )
-
-/*
- * Constants for extra TX headroom for alignment purposes.
- */
-#define RT2X00_ALIGN_SIZE 4 /* Only whole frame needs alignment */
-#define RT2X00_L2PAD_SIZE 8 /* Both header & payload need alignment */
-
-/*
- * Standard timing and size defines.
- * These values should follow the ieee80211 specifications.
- */
-#define ACK_SIZE 14
-#define IEEE80211_HEADER 24
-#define PLCP 48
-#define BEACON 100
-#define PREAMBLE 144
-#define SHORT_PREAMBLE 72
-#define SLOT_TIME 20
-#define SHORT_SLOT_TIME 9
-#define SIFS 10
-#define PIFS ( SIFS + SLOT_TIME )
-#define SHORT_PIFS ( SIFS + SHORT_SLOT_TIME )
-#define DIFS ( PIFS + SLOT_TIME )
-#define SHORT_DIFS ( SHORT_PIFS + SHORT_SLOT_TIME )
-#define EIFS ( SIFS + DIFS + \
- GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) )
-#define SHORT_EIFS ( SIFS + SHORT_DIFS + \
- GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) )
-
-enum rt2x00_chip_intf {
- RT2X00_CHIP_INTF_PCI,
- RT2X00_CHIP_INTF_PCIE,
- RT2X00_CHIP_INTF_USB,
- RT2X00_CHIP_INTF_SOC,
-};
-
-/*
- * Chipset identification
- * The chipset on the device is composed of a RT and RF chip.
- * The chipset combination is important for determining device capabilities.
- */
-struct rt2x00_chip {
- u16 rt;
-#define RT2460 0x2460
-#define RT2560 0x2560
-#define RT2570 0x2570
-#define RT2661 0x2661
-#define RT2573 0x2573
-#define RT2860 0x2860 /* 2.4GHz */
-#define RT2872 0x2872 /* WSOC */
-#define RT2883 0x2883 /* WSOC */
-#define RT3070 0x3070
-#define RT3071 0x3071
-#define RT3090 0x3090 /* 2.4GHz PCIe */
-#define RT3290 0x3290
-#define RT3352 0x3352 /* WSOC */
-#define RT3390 0x3390
-#define RT3572 0x3572
-#define RT3593 0x3593
-#define RT3883 0x3883 /* WSOC */
-#define RT5390 0x5390 /* 2.4GHz */
-#define RT5392 0x5392 /* 2.4GHz */
-#define RT5592 0x5592
-
- u16 rf;
- u16 rev;
-
- enum rt2x00_chip_intf intf;
-};
-
-/*
- * RF register values that belong to a particular channel.
- */
-struct rf_channel {
- int channel;
- u32 rf1;
- u32 rf2;
- u32 rf3;
- u32 rf4;
-};
-
-/*
- * Channel information structure
- */
-struct channel_info {
- unsigned int flags;
-#define GEOGRAPHY_ALLOWED 0x00000001
-
- short max_power;
- short default_power1;
- short default_power2;
- short default_power3;
-};
-
-/*
- * Antenna setup values.
- */
-struct antenna_setup {
- enum antenna rx;
- enum antenna tx;
- u8 rx_chain_num;
- u8 tx_chain_num;
-};
-
-/*
- * Quality statistics about the currently active link.
- */
-struct link_qual {
- /*
- * Statistics required for Link tuning by driver
- * The rssi value is provided by rt2x00lib during the
- * link_tuner() callback function.
- * The false_cca field is filled during the link_stats()
- * callback function and could be used during the
- * link_tuner() callback function.
- */
- int rssi;
- int false_cca;
-
- /*
- * VGC levels
- * Hardware driver will tune the VGC level during each call
- * to the link_tuner() callback function. This vgc_level is
- * is determined based on the link quality statistics like
- * average RSSI and the false CCA count.
- *
- * In some cases the drivers need to differentiate between
- * the currently "desired" VGC level and the level configured
- * in the hardware. The latter is important to reduce the
- * number of BBP register reads to reduce register access
- * overhead. For this reason we store both values here.
- */
- u8 vgc_level;
- u8 vgc_level_reg;
-
- /*
- * Statistics required for Signal quality calculation.
- * These fields might be changed during the link_stats()
- * callback function.
- */
- int rx_success;
- int rx_failed;
- int tx_success;
- int tx_failed;
-};
-
-DECLARE_EWMA(rssi, 1024, 8)
-
-/*
- * Antenna settings about the currently active link.
- */
-struct link_ant {
- /*
- * Antenna flags
- */
- unsigned int flags;
-#define ANTENNA_RX_DIVERSITY 0x00000001
-#define ANTENNA_TX_DIVERSITY 0x00000002
-#define ANTENNA_MODE_SAMPLE 0x00000004
-
- /*
- * Currently active TX/RX antenna setup.
- * When software diversity is used, this will indicate
- * which antenna is actually used at this time.
- */
- struct antenna_setup active;
-
- /*
- * RSSI history information for the antenna.
- * Used to determine when to switch antenna
- * when using software diversity.
- */
- int rssi_history;
-
- /*
- * Current RSSI average of the currently active antenna.
- * Similar to the avg_rssi in the link_qual structure
- * this value is updated by using the walking average.
- */
- struct ewma_rssi rssi_ant;
-};
-
-/*
- * To optimize the quality of the link we need to store
- * the quality of received frames and periodically
- * optimize the link.
- */
-struct link {
- /*
- * Link tuner counter
- * The number of times the link has been tuned
- * since the radio has been switched on.
- */
- u32 count;
-
- /*
- * Quality measurement values.
- */
- struct link_qual qual;
-
- /*
- * TX/RX antenna setup.
- */
- struct link_ant ant;
-
- /*
- * Currently active average RSSI value
- */
- struct ewma_rssi avg_rssi;
-
- /*
- * Work structure for scheduling periodic link tuning.
- */
- struct delayed_work work;
-
- /*
- * Work structure for scheduling periodic watchdog monitoring.
- * This work must be scheduled on the kernel workqueue, while
- * all other work structures must be queued on the mac80211
- * workqueue. This guarantees that the watchdog can schedule
- * other work structures and wait for their completion in order
- * to bring the device/driver back into the desired state.
- */
- struct delayed_work watchdog_work;
-
- /*
- * Work structure for scheduling periodic AGC adjustments.
- */
- struct delayed_work agc_work;
-
- /*
- * Work structure for scheduling periodic VCO calibration.
- */
- struct delayed_work vco_work;
-};
-
-enum rt2x00_delayed_flags {
- DELAYED_UPDATE_BEACON,
-};
-
-/*
- * Interface structure
- * Per interface configuration details, this structure
- * is allocated as the private data for ieee80211_vif.
- */
-struct rt2x00_intf {
- /*
- * beacon->skb must be protected with the mutex.
- */
- struct mutex beacon_skb_mutex;
-
- /*
- * Entry in the beacon queue which belongs to
- * this interface. Each interface has its own
- * dedicated beacon entry.
- */
- struct queue_entry *beacon;
- bool enable_beacon;
-
- /*
- * Actions that needed rescheduling.
- */
- unsigned long delayed_flags;
-
- /*
- * Software sequence counter, this is only required
- * for hardware which doesn't support hardware
- * sequence counting.
- */
- atomic_t seqno;
-};
-
-static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif)
-{
- return (struct rt2x00_intf *)vif->drv_priv;
-}
-
-/**
- * struct hw_mode_spec: Hardware specifications structure
- *
- * Details about the supported modes, rates and channels
- * of a particular chipset. This is used by rt2x00lib
- * to build the ieee80211_hw_mode array for mac80211.
- *
- * @supported_bands: Bitmask contained the supported bands (2.4GHz, 5.2GHz).
- * @supported_rates: Rate types which are supported (CCK, OFDM).
- * @num_channels: Number of supported channels. This is used as array size
- * for @tx_power_a, @tx_power_bg and @channels.
- * @channels: Device/chipset specific channel values (See &struct rf_channel).
- * @channels_info: Additional information for channels (See &struct channel_info).
- * @ht: Driver HT Capabilities (See &ieee80211_sta_ht_cap).
- */
-struct hw_mode_spec {
- unsigned int supported_bands;
-#define SUPPORT_BAND_2GHZ 0x00000001
-#define SUPPORT_BAND_5GHZ 0x00000002
-
- unsigned int supported_rates;
-#define SUPPORT_RATE_CCK 0x00000001
-#define SUPPORT_RATE_OFDM 0x00000002
-
- unsigned int num_channels;
- const struct rf_channel *channels;
- const struct channel_info *channels_info;
-
- struct ieee80211_sta_ht_cap ht;
-};
-
-/*
- * Configuration structure wrapper around the
- * mac80211 configuration structure.
- * When mac80211 configures the driver, rt2x00lib
- * can precalculate values which are equal for all
- * rt2x00 drivers. Those values can be stored in here.
- */
-struct rt2x00lib_conf {
- struct ieee80211_conf *conf;
-
- struct rf_channel rf;
- struct channel_info channel;
-};
-
-/*
- * Configuration structure for erp settings.
- */
-struct rt2x00lib_erp {
- int short_preamble;
- int cts_protection;
-
- u32 basic_rates;
-
- int slot_time;
-
- short sifs;
- short pifs;
- short difs;
- short eifs;
-
- u16 beacon_int;
- u16 ht_opmode;
-};
-
-/*
- * Configuration structure for hardware encryption.
- */
-struct rt2x00lib_crypto {
- enum cipher cipher;
-
- enum set_key_cmd cmd;
- const u8 *address;
-
- u32 bssidx;
-
- u8 key[16];
- u8 tx_mic[8];
- u8 rx_mic[8];
-
- int wcid;
-};
-
-/*
- * Configuration structure wrapper around the
- * rt2x00 interface configuration handler.
- */
-struct rt2x00intf_conf {
- /*
- * Interface type
- */
- enum nl80211_iftype type;
-
- /*
- * TSF sync value, this is dependent on the operation type.
- */
- enum tsf_sync sync;
-
- /*
- * The MAC and BSSID addresses are simple array of bytes,
- * these arrays are little endian, so when sending the addresses
- * to the drivers, copy the it into a endian-signed variable.
- *
- * Note that all devices (except rt2500usb) have 32 bits
- * register word sizes. This means that whatever variable we
- * pass _must_ be a multiple of 32 bits. Otherwise the device
- * might not accept what we are sending to it.
- * This will also make it easier for the driver to write
- * the data to the device.
- */
- __le32 mac[2];
- __le32 bssid[2];
-};
-
-/*
- * Private structure for storing STA details
- * wcid: Wireless Client ID
- */
-struct rt2x00_sta {
- int wcid;
-};
-
-static inline struct rt2x00_sta* sta_to_rt2x00_sta(struct ieee80211_sta *sta)
-{
- return (struct rt2x00_sta *)sta->drv_priv;
-}
-
-/*
- * rt2x00lib callback functions.
- */
-struct rt2x00lib_ops {
- /*
- * Interrupt handlers.
- */
- irq_handler_t irq_handler;
-
- /*
- * TX status tasklet handler.
- */
- void (*txstatus_tasklet) (unsigned long data);
- void (*pretbtt_tasklet) (unsigned long data);
- void (*tbtt_tasklet) (unsigned long data);
- void (*rxdone_tasklet) (unsigned long data);
- void (*autowake_tasklet) (unsigned long data);
-
- /*
- * Device init handlers.
- */
- int (*probe_hw) (struct rt2x00_dev *rt2x00dev);
- char *(*get_firmware_name) (struct rt2x00_dev *rt2x00dev);
- int (*check_firmware) (struct rt2x00_dev *rt2x00dev,
- const u8 *data, const size_t len);
- int (*load_firmware) (struct rt2x00_dev *rt2x00dev,
- const u8 *data, const size_t len);
-
- /*
- * Device initialization/deinitialization handlers.
- */
- int (*initialize) (struct rt2x00_dev *rt2x00dev);
- void (*uninitialize) (struct rt2x00_dev *rt2x00dev);
-
- /*
- * queue initialization handlers
- */
- bool (*get_entry_state) (struct queue_entry *entry);
- void (*clear_entry) (struct queue_entry *entry);
-
- /*
- * Radio control handlers.
- */
- int (*set_device_state) (struct rt2x00_dev *rt2x00dev,
- enum dev_state state);
- int (*rfkill_poll) (struct rt2x00_dev *rt2x00dev);
- void (*link_stats) (struct rt2x00_dev *rt2x00dev,
- struct link_qual *qual);
- void (*reset_tuner) (struct rt2x00_dev *rt2x00dev,
- struct link_qual *qual);
- void (*link_tuner) (struct rt2x00_dev *rt2x00dev,
- struct link_qual *qual, const u32 count);
- void (*gain_calibration) (struct rt2x00_dev *rt2x00dev);
- void (*vco_calibration) (struct rt2x00_dev *rt2x00dev);
-
- /*
- * Data queue handlers.
- */
- void (*watchdog) (struct rt2x00_dev *rt2x00dev);
- void (*start_queue) (struct data_queue *queue);
- void (*kick_queue) (struct data_queue *queue);
- void (*stop_queue) (struct data_queue *queue);
- void (*flush_queue) (struct data_queue *queue, bool drop);
- void (*tx_dma_done) (struct queue_entry *entry);
-
- /*
- * TX control handlers
- */
- void (*write_tx_desc) (struct queue_entry *entry,
- struct txentry_desc *txdesc);
- void (*write_tx_data) (struct queue_entry *entry,
- struct txentry_desc *txdesc);
- void (*write_beacon) (struct queue_entry *entry,
- struct txentry_desc *txdesc);
- void (*clear_beacon) (struct queue_entry *entry);
- int (*get_tx_data_len) (struct queue_entry *entry);
-
- /*
- * RX control handlers
- */
- void (*fill_rxdone) (struct queue_entry *entry,
- struct rxdone_entry_desc *rxdesc);
-
- /*
- * Configuration handlers.
- */
- int (*config_shared_key) (struct rt2x00_dev *rt2x00dev,
- struct rt2x00lib_crypto *crypto,
- struct ieee80211_key_conf *key);
- int (*config_pairwise_key) (struct rt2x00_dev *rt2x00dev,
- struct rt2x00lib_crypto *crypto,
- struct ieee80211_key_conf *key);
- void (*config_filter) (struct rt2x00_dev *rt2x00dev,
- const unsigned int filter_flags);
- void (*config_intf) (struct rt2x00_dev *rt2x00dev,
- struct rt2x00_intf *intf,
- struct rt2x00intf_conf *conf,
- const unsigned int flags);
-#define CONFIG_UPDATE_TYPE ( 1 << 1 )
-#define CONFIG_UPDATE_MAC ( 1 << 2 )
-#define CONFIG_UPDATE_BSSID ( 1 << 3 )
-
- void (*config_erp) (struct rt2x00_dev *rt2x00dev,
- struct rt2x00lib_erp *erp,
- u32 changed);
- void (*config_ant) (struct rt2x00_dev *rt2x00dev,
- struct antenna_setup *ant);
- void (*config) (struct rt2x00_dev *rt2x00dev,
- struct rt2x00lib_conf *libconf,
- const unsigned int changed_flags);
- int (*sta_add) (struct rt2x00_dev *rt2x00dev,
- struct ieee80211_vif *vif,
- struct ieee80211_sta *sta);
- int (*sta_remove) (struct rt2x00_dev *rt2x00dev,
- int wcid);
-};
-
-/*
- * rt2x00 driver callback operation structure.
- */
-struct rt2x00_ops {
- const char *name;
- const unsigned int drv_data_size;
- const unsigned int max_ap_intf;
- const unsigned int eeprom_size;
- const unsigned int rf_size;
- const unsigned int tx_queues;
- void (*queue_init)(struct data_queue *queue);
- const struct rt2x00lib_ops *lib;
- const void *drv;
- const struct ieee80211_ops *hw;
-#ifdef CONFIG_RT2X00_LIB_DEBUGFS
- const struct rt2x00debug *debugfs;
-#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
-};
-
-/*
- * rt2x00 state flags
- */
-enum rt2x00_state_flags {
- /*
- * Device flags
- */
- DEVICE_STATE_PRESENT,
- DEVICE_STATE_REGISTERED_HW,
- DEVICE_STATE_INITIALIZED,
- DEVICE_STATE_STARTED,
- DEVICE_STATE_ENABLED_RADIO,
- DEVICE_STATE_SCANNING,
-
- /*
- * Driver configuration
- */
- CONFIG_CHANNEL_HT40,
- CONFIG_POWERSAVING,
- CONFIG_HT_DISABLED,
- CONFIG_QOS_DISABLED,
-
- /*
- * Mark we currently are sequentially reading TX_STA_FIFO register
- * FIXME: this is for only rt2800usb, should go to private data
- */
- TX_STATUS_READING,
-};
-
-/*
- * rt2x00 capability flags
- */
-enum rt2x00_capability_flags {
- /*
- * Requirements
- */
- REQUIRE_FIRMWARE,
- REQUIRE_BEACON_GUARD,
- REQUIRE_ATIM_QUEUE,
- REQUIRE_DMA,
- REQUIRE_COPY_IV,
- REQUIRE_L2PAD,
- REQUIRE_TXSTATUS_FIFO,
- REQUIRE_TASKLET_CONTEXT,
- REQUIRE_SW_SEQNO,
- REQUIRE_HT_TX_DESC,
- REQUIRE_PS_AUTOWAKE,
- REQUIRE_DELAYED_RFKILL,
-
- /*
- * Capabilities
- */
- CAPABILITY_HW_BUTTON,
- CAPABILITY_HW_CRYPTO,
- CAPABILITY_POWER_LIMIT,
- CAPABILITY_CONTROL_FILTERS,
- CAPABILITY_CONTROL_FILTER_PSPOLL,
- CAPABILITY_PRE_TBTT_INTERRUPT,
- CAPABILITY_LINK_TUNING,
- CAPABILITY_FRAME_TYPE,
- CAPABILITY_RF_SEQUENCE,
- CAPABILITY_EXTERNAL_LNA_A,
- CAPABILITY_EXTERNAL_LNA_BG,
- CAPABILITY_DOUBLE_ANTENNA,
- CAPABILITY_BT_COEXIST,
- CAPABILITY_VCO_RECALIBRATION,
-};
-
-/*
- * Interface combinations
- */
-enum {
- IF_COMB_AP = 0,
- NUM_IF_COMB,
-};
-
-/*
- * rt2x00 device structure.
- */
-struct rt2x00_dev {
- /*
- * Device structure.
- * The structure stored in here depends on the
- * system bus (PCI or USB).
- * When accessing this variable, the rt2x00dev_{pci,usb}
- * macros should be used for correct typecasting.
- */
- struct device *dev;
-
- /*
- * Callback functions.
- */
- const struct rt2x00_ops *ops;
-
- /*
- * Driver data.
- */
- void *drv_data;
-
- /*
- * IEEE80211 control structure.
- */
- struct ieee80211_hw *hw;
- struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
- enum ieee80211_band curr_band;
- int curr_freq;
-
- /*
- * If enabled, the debugfs interface structures
- * required for deregistration of debugfs.
- */
-#ifdef CONFIG_RT2X00_LIB_DEBUGFS
- struct rt2x00debug_intf *debugfs_intf;
-#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
-
- /*
- * LED structure for changing the LED status
- * by mac8011 or the kernel.
- */
-#ifdef CONFIG_RT2X00_LIB_LEDS
- struct rt2x00_led led_radio;
- struct rt2x00_led led_assoc;
- struct rt2x00_led led_qual;
- u16 led_mcu_reg;
-#endif /* CONFIG_RT2X00_LIB_LEDS */
-
- /*
- * Device state flags.
- * In these flags the current status is stored.
- * Access to these flags should occur atomically.
- */
- unsigned long flags;
-
- /*
- * Device capabiltiy flags.
- * In these flags the device/driver capabilities are stored.
- * Access to these flags should occur non-atomically.
- */
- unsigned long cap_flags;
-
- /*
- * Device information, Bus IRQ and name (PCI, SoC)
- */
- int irq;
- const char *name;
-
- /*
- * Chipset identification.
- */
- struct rt2x00_chip chip;
-
- /*
- * hw capability specifications.
- */
- struct hw_mode_spec spec;
-
- /*
- * This is the default TX/RX antenna setup as indicated
- * by the device's EEPROM.
- */
- struct antenna_setup default_ant;
-
- /*
- * Register pointers
- * csr.base: CSR base register address. (PCI)
- * csr.cache: CSR cache for usb_control_msg. (USB)
- */
- union csr {
- void __iomem *base;
- void *cache;
- } csr;
-
- /*
- * Mutex to protect register accesses.
- * For PCI and USB devices it protects against concurrent indirect
- * register access (BBP, RF, MCU) since accessing those
- * registers require multiple calls to the CSR registers.
- * For USB devices it also protects the csr_cache since that
- * field is used for normal CSR access and it cannot support
- * multiple callers simultaneously.
- */
- struct mutex csr_mutex;
-
- /*
- * Current packet filter configuration for the device.
- * This contains all currently active FIF_* flags send
- * to us by mac80211 during configure_filter().
- */
- unsigned int packet_filter;
-
- /*
- * Interface details:
- * - Open ap interface count.
- * - Open sta interface count.
- * - Association count.
- * - Beaconing enabled count.
- */
- unsigned int intf_ap_count;
- unsigned int intf_sta_count;
- unsigned int intf_associated;
- unsigned int intf_beaconing;
-
- /*
- * Interface combinations
- */
- struct ieee80211_iface_limit if_limits_ap;
- struct ieee80211_iface_combination if_combinations[NUM_IF_COMB];
-
- /*
- * Link quality
- */
- struct link link;
-
- /*
- * EEPROM data.
- */
- __le16 *eeprom;
-
- /*
- * Active RF register values.
- * These are stored here so we don't need
- * to read the rf registers and can directly
- * use this value instead.
- * This field should be accessed by using
- * rt2x00_rf_read() and rt2x00_rf_write().
- */
- u32 *rf;
-
- /*
- * LNA gain
- */
- short lna_gain;
-
- /*
- * Current TX power value.
- */
- u16 tx_power;
-
- /*
- * Current retry values.
- */
- u8 short_retry;
- u8 long_retry;
-
- /*
- * Rssi <-> Dbm offset
- */
- u8 rssi_offset;
-
- /*
- * Frequency offset.
- */
- u8 freq_offset;
-
- /*
- * Association id.
- */
- u16 aid;
-
- /*
- * Beacon interval.
- */
- u16 beacon_int;
-
- /**
- * Timestamp of last received beacon
- */
- unsigned long last_beacon;
-
- /*
- * Low level statistics which will have
- * to be kept up to date while device is running.
- */
- struct ieee80211_low_level_stats low_level_stats;
-
- /**
- * Work queue for all work which should not be placed
- * on the mac80211 workqueue (because of dependencies
- * between various work structures).
- */
- struct workqueue_struct *workqueue;
-
- /*
- * Scheduled work.
- * NOTE: intf_work will use ieee80211_iterate_active_interfaces()
- * which means it cannot be placed on the hw->workqueue
- * due to RTNL locking requirements.
- */
- struct work_struct intf_work;
-
- /**
- * Scheduled work for TX/RX done handling (USB devices)
- */
- struct work_struct rxdone_work;
- struct work_struct txdone_work;
-
- /*
- * Powersaving work
- */
- struct delayed_work autowakeup_work;
- struct work_struct sleep_work;
-
- /*
- * Data queue arrays for RX, TX, Beacon and ATIM.
- */
- unsigned int data_queues;
- struct data_queue *rx;
- struct data_queue *tx;
- struct data_queue *bcn;
- struct data_queue *atim;
-
- /*
- * Firmware image.
- */
- const struct firmware *fw;
-
- /*
- * FIFO for storing tx status reports between isr and tasklet.
- */
- DECLARE_KFIFO_PTR(txstatus_fifo, u32);
-
- /*
- * Timer to ensure tx status reports are read (rt2800usb).
- */
- struct hrtimer txstatus_timer;
-
- /*
- * Tasklet for processing tx status reports (rt2800pci).
- */
- struct tasklet_struct txstatus_tasklet;
- struct tasklet_struct pretbtt_tasklet;
- struct tasklet_struct tbtt_tasklet;
- struct tasklet_struct rxdone_tasklet;
- struct tasklet_struct autowake_tasklet;
-
- /*
- * Used for VCO periodic calibration.
- */
- int rf_channel;
-
- /*
- * Protect the interrupt mask register.
- */
- spinlock_t irqmask_lock;
-
- /*
- * List of BlockAckReq TX entries that need driver BlockAck processing.
- */
- struct list_head bar_list;
- spinlock_t bar_list_lock;
-
- /* Extra TX headroom required for alignment purposes. */
- unsigned int extra_tx_headroom;
-};
-
-struct rt2x00_bar_list_entry {
- struct list_head list;
- struct rcu_head head;
-
- struct queue_entry *entry;
- int block_acked;
-
- /* Relevant parts of the IEEE80211 BAR header */
- __u8 ra[6];
- __u8 ta[6];
- __le16 control;
- __le16 start_seq_num;
-};
-
-/*
- * Register defines.
- * Some registers require multiple attempts before success,
- * in those cases REGISTER_BUSY_COUNT attempts should be
- * taken with a REGISTER_BUSY_DELAY interval. Due to USB
- * bus delays, we do not have to loop so many times to wait
- * for valid register value on that bus.
- */
-#define REGISTER_BUSY_COUNT 100
-#define REGISTER_USB_BUSY_COUNT 20
-#define REGISTER_BUSY_DELAY 100
-
-/*
- * Generic RF access.
- * The RF is being accessed by word index.
- */
-static inline void rt2x00_rf_read(struct rt2x00_dev *rt2x00dev,
- const unsigned int word, u32 *data)
-{
- BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32));
- *data = rt2x00dev->rf[word - 1];
-}
-
-static inline void rt2x00_rf_write(struct rt2x00_dev *rt2x00dev,
- const unsigned int word, u32 data)
-{
- BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32));
- rt2x00dev->rf[word - 1] = data;
-}
-
-/*
- * Generic EEPROM access. The EEPROM is being accessed by word or byte index.
- */
-static inline void *rt2x00_eeprom_addr(struct rt2x00_dev *rt2x00dev,
- const unsigned int word)
-{
- return (void *)&rt2x00dev->eeprom[word];
-}
-
-static inline void rt2x00_eeprom_read(struct rt2x00_dev *rt2x00dev,
- const unsigned int word, u16 *data)
-{
- *data = le16_to_cpu(rt2x00dev->eeprom[word]);
-}
-
-static inline void rt2x00_eeprom_write(struct rt2x00_dev *rt2x00dev,
- const unsigned int word, u16 data)
-{
- rt2x00dev->eeprom[word] = cpu_to_le16(data);
-}
-
-static inline u8 rt2x00_eeprom_byte(struct rt2x00_dev *rt2x00dev,
- const unsigned int byte)
-{
- return *(((u8 *)rt2x00dev->eeprom) + byte);
-}
-
-/*
- * Chipset handlers
- */
-static inline void rt2x00_set_chip(struct rt2x00_dev *rt2x00dev,
- const u16 rt, const u16 rf, const u16 rev)
-{
- rt2x00dev->chip.rt = rt;
- rt2x00dev->chip.rf = rf;
- rt2x00dev->chip.rev = rev;
-
- rt2x00_info(rt2x00dev, "Chipset detected - rt: %04x, rf: %04x, rev: %04x\n",
- rt2x00dev->chip.rt, rt2x00dev->chip.rf,
- rt2x00dev->chip.rev);
-}
-
-static inline void rt2x00_set_rt(struct rt2x00_dev *rt2x00dev,
- const u16 rt, const u16 rev)
-{
- rt2x00dev->chip.rt = rt;
- rt2x00dev->chip.rev = rev;
-
- rt2x00_info(rt2x00dev, "RT chipset %04x, rev %04x detected\n",
- rt2x00dev->chip.rt, rt2x00dev->chip.rev);
-}
-
-static inline void rt2x00_set_rf(struct rt2x00_dev *rt2x00dev, const u16 rf)
-{
- rt2x00dev->chip.rf = rf;
-
- rt2x00_info(rt2x00dev, "RF chipset %04x detected\n",
- rt2x00dev->chip.rf);
-}
-
-static inline bool rt2x00_rt(struct rt2x00_dev *rt2x00dev, const u16 rt)
-{
- return (rt2x00dev->chip.rt == rt);
-}
-
-static inline bool rt2x00_rf(struct rt2x00_dev *rt2x00dev, const u16 rf)
-{
- return (rt2x00dev->chip.rf == rf);
-}
-
-static inline u16 rt2x00_rev(struct rt2x00_dev *rt2x00dev)
-{
- return rt2x00dev->chip.rev;
-}
-
-static inline bool rt2x00_rt_rev(struct rt2x00_dev *rt2x00dev,
- const u16 rt, const u16 rev)
-{
- return (rt2x00_rt(rt2x00dev, rt) && rt2x00_rev(rt2x00dev) == rev);
-}
-
-static inline bool rt2x00_rt_rev_lt(struct rt2x00_dev *rt2x00dev,
- const u16 rt, const u16 rev)
-{
- return (rt2x00_rt(rt2x00dev, rt) && rt2x00_rev(rt2x00dev) < rev);
-}
-
-static inline bool rt2x00_rt_rev_gte(struct rt2x00_dev *rt2x00dev,
- const u16 rt, const u16 rev)
-{
- return (rt2x00_rt(rt2x00dev, rt) && rt2x00_rev(rt2x00dev) >= rev);
-}
-
-static inline void rt2x00_set_chip_intf(struct rt2x00_dev *rt2x00dev,
- enum rt2x00_chip_intf intf)
-{
- rt2x00dev->chip.intf = intf;
-}
-
-static inline bool rt2x00_intf(struct rt2x00_dev *rt2x00dev,
- enum rt2x00_chip_intf intf)
-{
- return (rt2x00dev->chip.intf == intf);
-}
-
-static inline bool rt2x00_is_pci(struct rt2x00_dev *rt2x00dev)
-{
- return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCI) ||
- rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCIE);
-}
-
-static inline bool rt2x00_is_pcie(struct rt2x00_dev *rt2x00dev)
-{
- return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCIE);
-}
-
-static inline bool rt2x00_is_usb(struct rt2x00_dev *rt2x00dev)
-{
- return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_USB);
-}
-
-static inline bool rt2x00_is_soc(struct rt2x00_dev *rt2x00dev)
-{
- return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_SOC);
-}
-
-/* Helpers for capability flags */
-
-static inline bool
-rt2x00_has_cap_flag(struct rt2x00_dev *rt2x00dev,
- enum rt2x00_capability_flags cap_flag)
-{
- return test_bit(cap_flag, &rt2x00dev->cap_flags);
-}
-
-static inline bool
-rt2x00_has_cap_hw_crypto(struct rt2x00_dev *rt2x00dev)
-{
- return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_HW_CRYPTO);
-}
-
-static inline bool
-rt2x00_has_cap_power_limit(struct rt2x00_dev *rt2x00dev)
-{
- return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_POWER_LIMIT);
-}
-
-static inline bool
-rt2x00_has_cap_control_filters(struct rt2x00_dev *rt2x00dev)
-{
- return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_CONTROL_FILTERS);
-}
-
-static inline bool
-rt2x00_has_cap_control_filter_pspoll(struct rt2x00_dev *rt2x00dev)
-{
- return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_CONTROL_FILTER_PSPOLL);
-}
-
-static inline bool
-rt2x00_has_cap_pre_tbtt_interrupt(struct rt2x00_dev *rt2x00dev)
-{
- return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_PRE_TBTT_INTERRUPT);
-}
-
-static inline bool
-rt2x00_has_cap_link_tuning(struct rt2x00_dev *rt2x00dev)
-{
- return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_LINK_TUNING);
-}
-
-static inline bool
-rt2x00_has_cap_frame_type(struct rt2x00_dev *rt2x00dev)
-{
- return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_FRAME_TYPE);
-}
-
-static inline bool
-rt2x00_has_cap_rf_sequence(struct rt2x00_dev *rt2x00dev)
-{
- return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_RF_SEQUENCE);
-}
-
-static inline bool
-rt2x00_has_cap_external_lna_a(struct rt2x00_dev *rt2x00dev)
-{
- return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_EXTERNAL_LNA_A);
-}
-
-static inline bool
-rt2x00_has_cap_external_lna_bg(struct rt2x00_dev *rt2x00dev)
-{
- return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_EXTERNAL_LNA_BG);
-}
-
-static inline bool
-rt2x00_has_cap_double_antenna(struct rt2x00_dev *rt2x00dev)
-{
- return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_DOUBLE_ANTENNA);
-}
-
-static inline bool
-rt2x00_has_cap_bt_coexist(struct rt2x00_dev *rt2x00dev)
-{
- return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_BT_COEXIST);
-}
-
-static inline bool
-rt2x00_has_cap_vco_recalibration(struct rt2x00_dev *rt2x00dev)
-{
- return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_VCO_RECALIBRATION);
-}
-
-/**
- * rt2x00queue_map_txskb - Map a skb into DMA for TX purposes.
- * @entry: Pointer to &struct queue_entry
- *
- * Returns -ENOMEM if mapping fail, 0 otherwise.
- */
-int rt2x00queue_map_txskb(struct queue_entry *entry);
-
-/**
- * rt2x00queue_unmap_skb - Unmap a skb from DMA.
- * @entry: Pointer to &struct queue_entry
- */
-void rt2x00queue_unmap_skb(struct queue_entry *entry);
-
-/**
- * rt2x00queue_get_tx_queue - Convert tx queue index to queue pointer
- * @rt2x00dev: Pointer to &struct rt2x00_dev.
- * @queue: rt2x00 queue index (see &enum data_queue_qid).
- *
- * Returns NULL for non tx queues.
- */
-static inline struct data_queue *
-rt2x00queue_get_tx_queue(struct rt2x00_dev *rt2x00dev,
- const enum data_queue_qid queue)
-{
- if (queue < rt2x00dev->ops->tx_queues && rt2x00dev->tx)
- return &rt2x00dev->tx[queue];
-
- if (queue == QID_ATIM)
- return rt2x00dev->atim;
-
- return NULL;
-}
-
-/**
- * rt2x00queue_get_entry - Get queue entry where the given index points to.
- * @queue: Pointer to &struct data_queue from where we obtain the entry.
- * @index: Index identifier for obtaining the correct index.
- */
-struct queue_entry *rt2x00queue_get_entry(struct data_queue *queue,
- enum queue_index index);
-
-/**
- * rt2x00queue_pause_queue - Pause a data queue
- * @queue: Pointer to &struct data_queue.
- *
- * This function will pause the data queue locally, preventing
- * new frames to be added to the queue (while the hardware is
- * still allowed to run).
- */
-void rt2x00queue_pause_queue(struct data_queue *queue);
-
-/**
- * rt2x00queue_unpause_queue - unpause a data queue
- * @queue: Pointer to &struct data_queue.
- *
- * This function will unpause the data queue locally, allowing
- * new frames to be added to the queue again.
- */
-void rt2x00queue_unpause_queue(struct data_queue *queue);
-
-/**
- * rt2x00queue_start_queue - Start a data queue
- * @queue: Pointer to &struct data_queue.
- *
- * This function will start handling all pending frames in the queue.
- */
-void rt2x00queue_start_queue(struct data_queue *queue);
-
-/**
- * rt2x00queue_stop_queue - Halt a data queue
- * @queue: Pointer to &struct data_queue.
- *
- * This function will stop all pending frames in the queue.
- */
-void rt2x00queue_stop_queue(struct data_queue *queue);
-
-/**
- * rt2x00queue_flush_queue - Flush a data queue
- * @queue: Pointer to &struct data_queue.
- * @drop: True to drop all pending frames.
- *
- * This function will flush the queue. After this call
- * the queue is guaranteed to be empty.
- */
-void rt2x00queue_flush_queue(struct data_queue *queue, bool drop);
-
-/**
- * rt2x00queue_start_queues - Start all data queues
- * @rt2x00dev: Pointer to &struct rt2x00_dev.
- *
- * This function will loop through all available queues to start them
- */
-void rt2x00queue_start_queues(struct rt2x00_dev *rt2x00dev);
-
-/**
- * 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 frames.
- */
-void rt2x00queue_stop_queues(struct rt2x00_dev *rt2x00dev);
-
-/**
- * rt2x00queue_flush_queues - Flush all data queues
- * @rt2x00dev: Pointer to &struct rt2x00_dev.
- * @drop: True to drop all pending frames.
- *
- * This function will loop through all available queues to flush
- * any pending frames.
- */
-void rt2x00queue_flush_queues(struct rt2x00_dev *rt2x00dev, bool drop);
-
-/*
- * Debugfs handlers.
- */
-/**
- * rt2x00debug_dump_frame - Dump a frame to userspace through debugfs.
- * @rt2x00dev: Pointer to &struct rt2x00_dev.
- * @type: The type of frame that is being dumped.
- * @skb: The skb containing the frame to be dumped.
- */
-#ifdef CONFIG_RT2X00_LIB_DEBUGFS
-void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev,
- enum rt2x00_dump_type type, struct sk_buff *skb);
-#else
-static inline void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev,
- enum rt2x00_dump_type type,
- struct sk_buff *skb)
-{
-}
-#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
-
-/*
- * Utility functions.
- */
-u32 rt2x00lib_get_bssidx(struct rt2x00_dev *rt2x00dev,
- struct ieee80211_vif *vif);
-
-/*
- * Interrupt context handlers.
- */
-void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev);
-void rt2x00lib_pretbtt(struct rt2x00_dev *rt2x00dev);
-void rt2x00lib_dmastart(struct queue_entry *entry);
-void rt2x00lib_dmadone(struct queue_entry *entry);
-void rt2x00lib_txdone(struct queue_entry *entry,
- struct txdone_entry_desc *txdesc);
-void rt2x00lib_txdone_noinfo(struct queue_entry *entry, u32 status);
-void rt2x00lib_rxdone(struct queue_entry *entry, gfp_t gfp);
-
-/*
- * mac80211 handlers.
- */
-void rt2x00mac_tx(struct ieee80211_hw *hw,
- struct ieee80211_tx_control *control,
- struct sk_buff *skb);
-int rt2x00mac_start(struct ieee80211_hw *hw);
-void rt2x00mac_stop(struct ieee80211_hw *hw);
-int rt2x00mac_add_interface(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif);
-void rt2x00mac_remove_interface(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif);
-int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed);
-void rt2x00mac_configure_filter(struct ieee80211_hw *hw,
- unsigned int changed_flags,
- unsigned int *total_flags,
- u64 multicast);
-int rt2x00mac_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
- bool set);
-#ifdef CONFIG_RT2X00_LIB_CRYPTO
-int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
- struct ieee80211_vif *vif, struct ieee80211_sta *sta,
- struct ieee80211_key_conf *key);
-#else
-#define rt2x00mac_set_key NULL
-#endif /* CONFIG_RT2X00_LIB_CRYPTO */
-int rt2x00mac_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
- struct ieee80211_sta *sta);
-int rt2x00mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
- struct ieee80211_sta *sta);
-void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- const u8 *mac_addr);
-void rt2x00mac_sw_scan_complete(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif);
-int rt2x00mac_get_stats(struct ieee80211_hw *hw,
- struct ieee80211_low_level_stats *stats);
-void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_bss_conf *bss_conf,
- u32 changes);
-int rt2x00mac_conf_tx(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif, u16 queue,
- const struct ieee80211_tx_queue_params *params);
-void rt2x00mac_rfkill_poll(struct ieee80211_hw *hw);
-void rt2x00mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
- u32 queues, bool drop);
-int rt2x00mac_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant);
-int rt2x00mac_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant);
-void rt2x00mac_get_ringparam(struct ieee80211_hw *hw,
- u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max);
-bool rt2x00mac_tx_frames_pending(struct ieee80211_hw *hw);
-
-/*
- * Driver allocation handlers.
- */
-int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev);
-void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev);
-#ifdef CONFIG_PM
-int rt2x00lib_suspend(struct rt2x00_dev *rt2x00dev, pm_message_t state);
-int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev);
-#endif /* CONFIG_PM */
-
-#endif /* RT2X00_H */