1014 lines
24 KiB
C
1014 lines
24 KiB
C
/*
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* Copyright (C) 2010 Willow Garage <http://www.willowgarage.com>
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* Copyright (C) 2004 - 2010 Ivo van Doorn <IvDoorn@gmail.com>
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* <http://rt2x00.serialmonkey.com>
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*
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* GPL-2.0-or-later
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*
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* Userspace port (C) 2019 Hak5 Inc
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*
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*/
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#ifndef __RT2X00_H__
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#define __RT2X00_H__
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#include <pthread.h>
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#include <stdio.h>
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#include <libusb.h>
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#include "kernel/average.h"
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#include "kernel/types.h"
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#include "kernel/kernel.h"
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#include "kernel/mac80211.h"
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#include "kernel/usb.h"
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#include "rt2800usb/rt2x00queue.h"
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#include "rt2800usb/rt2x00reg.h"
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#include "userspace/userspace.h"
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#define rt2x00_err(dev, fmt, ...) \
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userspace_wifi_error(dev->userspace_context, dev->userspace_dev, \
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0, fmt, ##__VA_ARGS__)
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#ifdef RT2800_USERSPACE_DEBUG
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#define rt2x00_warn(dev, fmt, ...) \
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fprintf(stderr, "%s: Warning - " fmt, \
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__func__, ##__VA_ARGS__)
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#define rt2x00_info(dev, fmt, ...) \
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fprintf(stderr, "%s: Info - " fmt, \
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__func__, ##__VA_ARGS__)
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/* Various debug levels */
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#define rt2x00_dbg(dev, fmt, ...) \
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fprintf(stderr, "%s: Debug - " fmt, \
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__func__, ##__VA_ARGS__)
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#define rt2x00_eeprom_dbg(dev, fmt, ...) \
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fprintf(stderr, "%s: EEPROM recovery - " fmt, \
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__func__, ##__VA_ARGS__)
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#else
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#define rt2x00_warn(dev, fmt, ...)
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#define rt2x00_info(dev, fmt, ...)
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#define rt2x00_dbg(dev, fmt, ...)
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#define rt2x00_eeprom_dbg(dev, fmt, ...)
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#endif
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/*
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* rt2x00 state flags
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*/
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enum rt2x00_state_flags {
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/*
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* Device flags
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*/
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DEVICE_STATE_PRESENT,
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DEVICE_STATE_REGISTERED_HW,
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DEVICE_STATE_INITIALIZED,
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DEVICE_STATE_STARTED,
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DEVICE_STATE_ENABLED_RADIO,
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DEVICE_STATE_SCANNING,
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DEVICE_STATE_FLUSHING,
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/*
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* Driver configuration
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*/
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CONFIG_CHANNEL_HT40,
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CONFIG_POWERSAVING,
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CONFIG_HT_DISABLED,
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CONFIG_MONITORING,
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/*
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* Mark we currently are sequentially reading TX_STA_FIFO register
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* FIXME: this is for only rt2800usb, should go to private data
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*/
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TX_STATUS_READING,
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};
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/*
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* rt2x00 capability flags
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*/
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enum rt2x00_capability_flags {
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/*
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* Requirements
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*/
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REQUIRE_FIRMWARE,
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REQUIRE_BEACON_GUARD,
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REQUIRE_ATIM_QUEUE,
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REQUIRE_DMA,
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REQUIRE_COPY_IV,
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REQUIRE_L2PAD,
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REQUIRE_TXSTATUS_FIFO,
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REQUIRE_TASKLET_CONTEXT,
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REQUIRE_SW_SEQNO,
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REQUIRE_HT_TX_DESC,
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REQUIRE_PS_AUTOWAKE,
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REQUIRE_DELAYED_RFKILL,
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/*
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* Capabilities
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*/
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CAPABILITY_HW_BUTTON,
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CAPABILITY_HW_CRYPTO,
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CAPABILITY_POWER_LIMIT,
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CAPABILITY_CONTROL_FILTERS,
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CAPABILITY_CONTROL_FILTER_PSPOLL,
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CAPABILITY_PRE_TBTT_INTERRUPT,
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CAPABILITY_LINK_TUNING,
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CAPABILITY_FRAME_TYPE,
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CAPABILITY_RF_SEQUENCE,
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CAPABILITY_EXTERNAL_LNA_A,
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CAPABILITY_EXTERNAL_LNA_BG,
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CAPABILITY_DOUBLE_ANTENNA,
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CAPABILITY_BT_COEXIST,
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CAPABILITY_VCO_RECALIBRATION,
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CAPABILITY_EXTERNAL_PA_TX0,
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CAPABILITY_EXTERNAL_PA_TX1,
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};
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/*
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* For USB vendor requests we need to pass a timeout time in ms, for this we
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* use the REGISTER_TIMEOUT, however when loading firmware or read EEPROM
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* a higher value is required. In that case we use the REGISTER_TIMEOUT_FIRMWARE
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* and EEPROM_TIMEOUT.
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*/
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#define REGISTER_TIMEOUT 100
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#define REGISTER_TIMEOUT_FIRMWARE 1000
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#define EEPROM_TIMEOUT 2000
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/*
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* Cache size
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*/
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#define CSR_CACHE_SIZE 64
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/*
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* USB request types.
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*/
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#define USB_VENDOR_REQUEST ( USB_TYPE_VENDOR | USB_RECIP_DEVICE )
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#define USB_VENDOR_REQUEST_IN ( USB_DIR_IN | USB_VENDOR_REQUEST )
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#define USB_VENDOR_REQUEST_OUT ( USB_DIR_OUT | USB_VENDOR_REQUEST )
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enum rt2x00_chip_intf {
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RT2X00_CHIP_INTF_PCI,
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RT2X00_CHIP_INTF_PCIE,
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RT2X00_CHIP_INTF_USB,
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RT2X00_CHIP_INTF_SOC,
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};
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/*
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* Chipset identification
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* The chipset on the device is composed of a RT and RF chip.
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* The chipset combination is important for determining device capabilities.
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*/
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struct rt2x00_chip {
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u16 rt;
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#define RT2460 0x2460
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#define RT2560 0x2560
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#define RT2570 0x2570
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#define RT2661 0x2661
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#define RT2573 0x2573
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#define RT2860 0x2860 /* 2.4GHz */
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#define RT2872 0x2872 /* WSOC */
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#define RT2883 0x2883 /* WSOC */
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#define RT3070 0x3070
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#define RT3071 0x3071
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#define RT3090 0x3090 /* 2.4GHz PCIe */
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#define RT3290 0x3290
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#define RT3352 0x3352 /* WSOC */
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#define RT3390 0x3390
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#define RT3572 0x3572
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#define RT3593 0x3593
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#define RT3883 0x3883 /* WSOC */
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#define RT5350 0x5350 /* WSOC 2.4GHz */
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#define RT5390 0x5390 /* 2.4GHz */
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#define RT5392 0x5392 /* 2.4GHz */
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#define RT5592 0x5592
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#define RT6352 0x6352 /* WSOC 2.4GHz */
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u16 rf;
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u16 rev;
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enum rt2x00_chip_intf intf;
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};
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/*
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* RF register values that belong to a particular channel.
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*/
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struct rf_channel {
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int channel;
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u32 rf1;
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u32 rf2;
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u32 rf3;
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u32 rf4;
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};
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/*
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* Channel information structure
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*/
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struct channel_info {
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unsigned int flags;
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#define GEOGRAPHY_ALLOWED 0x00000001
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short max_power;
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short default_power1;
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short default_power2;
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short default_power3;
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};
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/*
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* Antenna setup values.
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*/
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struct antenna_setup {
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enum antenna rx;
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enum antenna tx;
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u8 rx_chain_num;
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u8 tx_chain_num;
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};
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/*
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* Quality statistics about the currently active link.
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*/
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struct link_qual {
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/*
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* Statistics required for Link tuning by driver
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* The rssi value is provided by rt2x00lib during the
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* link_tuner() callback function.
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* The false_cca field is filled during the link_stats()
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* callback function and could be used during the
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* link_tuner() callback function.
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*/
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int rssi;
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int false_cca;
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/*
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* VGC levels
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* Hardware driver will tune the VGC level during each call
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* to the link_tuner() callback function. This vgc_level is
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* is determined based on the link quality statistics like
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* average RSSI and the false CCA count.
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*
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* In some cases the drivers need to differentiate between
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* the currently "desired" VGC level and the level configured
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* in the hardware. The latter is important to reduce the
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* number of BBP register reads to reduce register access
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* overhead. For this reason we store both values here.
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*/
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u8 vgc_level;
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u8 vgc_level_reg;
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/*
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* Statistics required for Signal quality calculation.
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* These fields might be changed during the link_stats()
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* callback function.
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*/
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int rx_success;
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int rx_failed;
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int tx_success;
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int tx_failed;
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};
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enum rt2x00_delayed_flags {
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DELAYED_UPDATE_BEACON,
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};
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/*
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* Interface structure
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* Per interface configuration details, this structure
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* is allocated as the private data for ieee80211_vif.
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*/
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struct rt2x00_intf {
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/*
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* Entry in the beacon queue which belongs to
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* this interface. Each interface has its own
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* dedicated beacon entry.
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*/
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struct queue_entry *beacon;
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bool enable_beacon;
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/*
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* Actions that needed rescheduling.
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*/
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unsigned long delayed_flags;
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/*
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* Software sequence counter, this is only required
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* for hardware which doesn't support hardware
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* sequence counting.
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*/
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atomic_t seqno;
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};
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static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif)
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{
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return (struct rt2x00_intf *)vif->drv_priv;
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}
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/**
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* struct hw_mode_spec: Hardware specifications structure
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*
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* Details about the supported modes, rates and channels
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* of a particular chipset. This is used by rt2x00lib
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* to build the ieee80211_hw_mode array for mac80211.
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*
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* @supported_bands: Bitmask contained the supported bands (2.4GHz, 5.2GHz).
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* @supported_rates: Rate types which are supported (CCK, OFDM).
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* @num_channels: Number of supported channels. This is used as array size
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* for @tx_power_a, @tx_power_bg and @channels.
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* @channels: Device/chipset specific channel values (See &struct rf_channel).
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* @channels_info: Additional information for channels (See &struct channel_info).
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* @ht: Driver HT Capabilities (See &ieee80211_sta_ht_cap).
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*/
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struct hw_mode_spec {
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unsigned int supported_bands;
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#define SUPPORT_BAND_2GHZ 0x00000001
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#define SUPPORT_BAND_5GHZ 0x00000002
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unsigned int supported_rates;
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#define SUPPORT_RATE_CCK 0x00000001
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#define SUPPORT_RATE_OFDM 0x00000002
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unsigned int num_channels;
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const struct rf_channel *channels;
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const struct channel_info *channels_info;
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struct ieee80211_sta_ht_cap ht;
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};
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/*
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* Configuration structure wrapper around the
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* mac80211 configuration structure.
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* When mac80211 configures the driver, rt2x00lib
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* can precalculate values which are equal for all
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* rt2x00 drivers. Those values can be stored in here.
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*/
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struct rt2x00lib_conf {
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struct ieee80211_conf *conf;
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struct rf_channel rf;
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struct channel_info channel;
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};
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/*
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* Configuration structure for hardware encryption.
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*/
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struct rt2x00lib_crypto {
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enum cipher cipher;
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enum set_key_cmd cmd;
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const u8 *address;
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u32 bssidx;
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u8 key[16];
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u8 tx_mic[8];
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u8 rx_mic[8];
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int wcid;
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};
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/*
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* Configuration structure wrapper around the
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* rt2x00 interface configuration handler.
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*/
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struct rt2x00intf_conf {
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/*
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* Interface type
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*/
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enum nl80211_iftype type;
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/*
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* TSF sync value, this is dependent on the operation type.
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*/
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enum tsf_sync sync;
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/*
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* The MAC and BSSID addresses are simple array of bytes,
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* these arrays are little endian, so when sending the addresses
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* to the drivers, copy the it into a endian-signed variable.
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*
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* Note that all devices (except rt2500usb) have 32 bits
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* register word sizes. This means that whatever variable we
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* pass _must_ be a multiple of 32 bits. Otherwise the device
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* might not accept what we are sending to it.
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* This will also make it easier for the driver to write
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* the data to the device.
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*/
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__le32 mac[2];
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__le32 bssid[2];
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};
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/*
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* Configuration structure for erp settings.
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*/
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struct rt2x00lib_erp {
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int short_preamble;
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int cts_protection;
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u32 basic_rates;
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int slot_time;
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short sifs;
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short pifs;
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short difs;
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short eifs;
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u16 beacon_int;
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u16 ht_opmode;
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};
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DECLARE_EWMA(rssi, 10, 8)
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/*
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* Antenna settings about the currently active link.
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*/
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struct link_ant {
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/*
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* Antenna flags
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*/
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unsigned int flags;
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#define ANTENNA_RX_DIVERSITY 0x00000001
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#define ANTENNA_TX_DIVERSITY 0x00000002
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#define ANTENNA_MODE_SAMPLE 0x00000004
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/*
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* Currently active TX/RX antenna setup.
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* When software diversity is used, this will indicate
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* which antenna is actually used at this time.
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*/
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struct antenna_setup active;
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/*
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* RSSI history information for the antenna.
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* Used to determine when to switch antenna
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* when using software diversity.
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*/
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int rssi_history;
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/*
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* Current RSSI average of the currently active antenna.
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* Similar to the avg_rssi in the link_qual structure
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* this value is updated by using the walking average.
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*/
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struct ewma_rssi rssi_ant;
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};
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/*
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* To optimize the quality of the link we need to store
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* the quality of received frames and periodically
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* optimize the link.
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*/
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struct link {
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/*
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* Link tuner counter
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* The number of times the link has been tuned
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* since the radio has been switched on.
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*/
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u32 count;
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/*
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* Quality measurement values.
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*/
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struct link_qual qual;
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/*
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* TX/RX antenna setup.
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*/
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struct link_ant ant;
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/*
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* Currently active average RSSI value
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*/
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struct ewma_rssi avg_rssi;
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};
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struct rt2x00_dev {
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/*
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* Libusb device handle; this replaces the kernel pci/usb/etc combo
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* device structure
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*/
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struct libusb_device_handle *dev;
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/*
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* Base libusb device, used to open the handle and query the endpoints,
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* etc.
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*/
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struct libusb_device *base_dev;
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/*
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* Libusb context
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*/
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struct libusb_context *libusb_context;
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/*
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* control synchronizer
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*/
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pthread_mutex_t usb_control_mutex;
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pthread_cond_t usb_control_cond;
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bool usb_command_complete;
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/*
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* userspace usb context
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*/
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void *userspace_context;
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/*
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* Reverse map to userspace wifi device
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*/
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void *userspace_dev;
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/*
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* USB interface and endpoints
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*/
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unsigned int usb_interface_num;
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unsigned int usb_bulk_in_endp;
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unsigned int usb_bulk_out_endp;
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/*
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* Device state flags.
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* In these flags the current status is stored.
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* Access to these flags should occur atomically.
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*/
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unsigned long flags;
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/*
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* Device capabiltiy flags.
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* In these flags the device/driver capabilities are stored.
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* Access to these flags should occur non-atomically.
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*/
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unsigned long cap_flags;
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unsigned int num_proto_errs;
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/*
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* Options pointer
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*/
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const struct rt2x00_ops *ops;
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/*
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* Chipset identification.
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*/
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struct rt2x00_chip chip;
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/*
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* hw capability specifications.
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*/
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struct hw_mode_spec spec;
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/*
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* This is the default TX/RX antenna setup as indicated
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* by the device's EEPROM.
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*/
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struct antenna_setup default_ant;
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/*
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* Register pointers
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* csr.cache: CSR cache for usb_control_msg. (USB)
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*/
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union csr {
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void *cache;
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} csr;
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pthread_mutex_t csr_mutex;
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/*
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* EEPROM data.
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*/
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__le16 *eeprom;
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/*
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* Active RF register values.
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* These are stored here so we don't need
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* to read the rf registers and can directly
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* use this value instead.
|
|
* This field should be accessed by using
|
|
* rt2x00_rf_read() and rt2x00_rf_write().
|
|
*/
|
|
u32 *rf;
|
|
|
|
/*
|
|
* Last set channel data
|
|
*/
|
|
int rf_channel;
|
|
enum nl80211_band rf_band;
|
|
|
|
/*
|
|
* Driver data.
|
|
*/
|
|
void *drv_data;
|
|
|
|
/*
|
|
* IEEE80211 control structure.
|
|
*/
|
|
struct ieee80211_supported_band bands[NUM_NL80211_BANDS];
|
|
enum nl80211_band curr_band;
|
|
int curr_freq;
|
|
|
|
/*
|
|
* LNA gain
|
|
*/
|
|
short lna_gain;
|
|
|
|
/*
|
|
* Current TX power value.
|
|
*/
|
|
u16 tx_power;
|
|
|
|
/*
|
|
* Rssi <-> Dbm offset
|
|
*/
|
|
u8 rssi_offset;
|
|
|
|
/*
|
|
* Frequency offset.
|
|
*/
|
|
u8 freq_offset;
|
|
|
|
/*
|
|
* LED reg cache
|
|
*/
|
|
u16 led_mcu_reg;
|
|
|
|
/*
|
|
* MAC address
|
|
*/
|
|
u8 *mac;
|
|
|
|
/*
|
|
* station count (should just be 1)
|
|
*/
|
|
int intf_sta_count;
|
|
|
|
/*
|
|
* Link quality
|
|
*/
|
|
struct link link;
|
|
|
|
/*
|
|
* Rehomed from the queue definition, the tx and rx header sizes
|
|
*/
|
|
short unsigned int rxwi_size;
|
|
short unsigned int txwi_size;
|
|
|
|
/*
|
|
* Control transfer and buffer cache
|
|
*/
|
|
struct libusb_transfer *control_transfer;
|
|
unsigned char *control_transfer_buffer;
|
|
size_t control_transfer_buffer_sz;
|
|
};
|
|
|
|
static inline void rt2x00dev_control_cb(struct libusb_transfer *transfer) {
|
|
struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *) transfer->user_data;
|
|
|
|
pthread_mutex_lock(&rt2x00dev->usb_control_mutex);
|
|
rt2x00dev->usb_command_complete = true;
|
|
pthread_cond_signal(&rt2x00dev->usb_control_cond);
|
|
pthread_mutex_unlock(&rt2x00dev->usb_control_mutex);
|
|
}
|
|
|
|
/*
|
|
* rt2x00lib callback functions.
|
|
*/
|
|
struct rt2x00lib_ops {
|
|
/*
|
|
* 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);
|
|
|
|
/*
|
|
* Modified queue commands for userspace; take a device
|
|
* not a queue and only set the rx registers
|
|
*/
|
|
void (*start_queue) (struct rt2x00_dev *rt2x00dev);
|
|
void (*stop_queue) (struct rt2x00_dev *rt2x00dev);
|
|
|
|
/*
|
|
* 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);
|
|
|
|
/*
|
|
* 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,
|
|
struct ieee80211_sta *sta);
|
|
};
|
|
|
|
/*
|
|
* rt2x00 driver callback operation structure.
|
|
*/
|
|
/*
|
|
* Modified to remove 80211 ops and queues since we don't use them
|
|
* in the userspace implementation
|
|
*/
|
|
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;
|
|
const struct rt2x00lib_ops *lib;
|
|
const void *drv;
|
|
#ifdef CONFIG_RT2X00_LIB_DEBUGFS
|
|
const struct rt2x00debug *debugfs;
|
|
#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
|
|
};
|
|
|
|
/*
|
|
* 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
|
|
|
|
/*
|
|
* 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);
|
|
}
|
|
|
|
/*
|
|
* 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 u16 rt2x00_eeprom_read(struct rt2x00_dev *rt2x00dev,
|
|
const unsigned int word) {
|
|
return 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);
|
|
}
|
|
|
|
/*
|
|
* Generic RF access.
|
|
* The RF is being accessed by word index.
|
|
*/
|
|
static inline u32 rt2x00_rf_read(struct rt2x00_dev *rt2x00dev,
|
|
const unsigned int word)
|
|
{
|
|
BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32));
|
|
return 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;
|
|
}
|
|
|
|
#define DATA_FRAME_SIZE 2432
|
|
|
|
#define RT2X00_L2PAD_SIZE 8
|
|
#define L2PAD_SIZE(__hdrlen) (-(__hdrlen) & 3)
|
|
|
|
#endif /* ifndef RT2X00_H */
|
|
|