drivers/staging/vt6656/device.h - linux - Git at Google

 /*
  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
  * All rights reserved.
  *
  * 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, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * File: device.h
  *
  * Purpose: MAC Data structure
  *
  * Author: Tevin Chen
  *
  * Date: Mar 17, 1997
  *
  */

 #ifndef __DEVICE_H__
 #define __DEVICE_H__

 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/firmware.h>
 #include <linux/suspend.h>
 #include <linux/if_arp.h>
 #include <linux/wireless.h>
 #include <linux/timer.h>
 #include <linux/usb.h>
 #include <linux/crc32.h>
 #include <net/mac80211.h>

 #ifdef SIOCETHTOOL
 #define DEVICE_ETHTOOL_IOCTL_SUPPORT
 #include <linux/ethtool.h>
 #else
 #undef DEVICE_ETHTOOL_IOCTL_SUPPORT
 #endif

 #define RATE_1M		0
 #define RATE_2M		1
 #define RATE_5M		2
 #define RATE_11M	3
 #define RATE_6M		4
 #define RATE_9M		5
 #define RATE_12M	6
 #define RATE_18M	7
 #define RATE_24M	8
 #define RATE_36M	9
 #define RATE_48M	10
 #define RATE_54M	11
 #define RATE_AUTO	12

 #define MAX_RATE			12

 /*
  * device specific
  */

 #include "wcmd.h"
 #include "desc.h"
 #include "key.h"
 #include "card.h"

 #define VNT_USB_VENDOR_ID                     0x160a
 #define VNT_USB_PRODUCT_ID                    0x3184

 #define DEVICE_NAME			"vt6656"
 #define DEVICE_FULL_DRV_NAM		"VIA Networking Wireless LAN USB Driver"

 #define DEVICE_VERSION			"mac80211"

 #define CONFIG_PATH			"/etc/vntconfiguration.dat"

 #define MAX_UINTS			8
 #define OPTION_DEFAULT			{ [0 ... MAX_UINTS-1] = -1}

 #define DUPLICATE_RX_CACHE_LENGTH       5

 #define AUTO_FB_NONE            0
 #define AUTO_FB_0               1
 #define AUTO_FB_1               2

 #define FB_RATE0                0
 #define FB_RATE1                1

 /* Antenna Mode */
 #define ANT_A                   0
 #define ANT_B                   1
 #define ANT_DIVERSITY           2
 #define ANT_RXD_TXA             3
 #define ANT_RXD_TXB             4
 #define ANT_UNKNOWN             0xFF
 #define ANT_TXA                 0
 #define ANT_TXB                 1
 #define ANT_RXA                 2
 #define ANT_RXB                 3

 #define BB_VGA_LEVEL            4
 #define BB_VGA_CHANGE_THRESHOLD 3

 #define EEP_MAX_CONTEXT_SIZE    256

 /* Contents in the EEPROM */
 #define EEP_OFS_PAR		0x0
 #define EEP_OFS_ANTENNA		0x17
 #define EEP_OFS_RADIOCTL	0x18
 #define EEP_OFS_RFTYPE		0x1b
 #define EEP_OFS_MINCHANNEL	0x1c
 #define EEP_OFS_MAXCHANNEL	0x1d
 #define EEP_OFS_SIGNATURE	0x1e
 #define EEP_OFS_ZONETYPE	0x1f
 #define EEP_OFS_RFTABLE		0x20
 #define EEP_OFS_PWR_CCK		0x20
 #define EEP_OFS_SETPT_CCK	0x21
 #define EEP_OFS_PWR_OFDMG	0x23

 #define EEP_OFS_CALIB_TX_IQ	0x24
 #define EEP_OFS_CALIB_TX_DC	0x25
 #define EEP_OFS_CALIB_RX_IQ	0x26

 #define EEP_OFS_MAJOR_VER	0x2e
 #define EEP_OFS_MINOR_VER	0x2f

 #define EEP_OFS_CCK_PWR_TBL	0x30
 #define EEP_OFS_OFDM_PWR_TBL	0x40
 #define EEP_OFS_OFDMA_PWR_TBL	0x50

 /* Bits in EEP_OFS_ANTENNA */
 #define EEP_ANTENNA_MAIN	0x1
 #define EEP_ANTENNA_AUX		0x2
 #define EEP_ANTINV		0x4

 /* Bits in EEP_OFS_RADIOCTL */
 #define EEP_RADIOCTL_ENABLE	0x80

 /* control commands */
 #define MESSAGE_TYPE_READ		0x1
 #define MESSAGE_TYPE_WRITE		0x0
 #define MESSAGE_TYPE_LOCK_OR		0x2
 #define MESSAGE_TYPE_LOCK_AND		0x3
 #define MESSAGE_TYPE_WRITE_MASK		0x4
 #define MESSAGE_TYPE_CARDINIT		0x5
 #define MESSAGE_TYPE_INIT_RSP		0x6
 #define MESSAGE_TYPE_MACSHUTDOWN	0x7
 #define MESSAGE_TYPE_SETKEY		0x8
 #define MESSAGE_TYPE_CLRKEYENTRY	0x9
 #define MESSAGE_TYPE_WRITE_MISCFF	0xa
 #define MESSAGE_TYPE_SET_ANTMD		0xb
 #define MESSAGE_TYPE_SELECT_CHANNEL	0xc
 #define MESSAGE_TYPE_SET_TSFTBTT	0xd
 #define MESSAGE_TYPE_SET_SSTIFS		0xe
 #define MESSAGE_TYPE_CHANGE_BBTYPE	0xf
 #define MESSAGE_TYPE_DISABLE_PS		0x10
 #define MESSAGE_TYPE_WRITE_IFRF		0x11

 /* command read/write(index) */
 #define MESSAGE_REQUEST_MEM		0x1
 #define MESSAGE_REQUEST_BBREG		0x2
 #define MESSAGE_REQUEST_MACREG		0x3
 #define MESSAGE_REQUEST_EEPROM		0x4
 #define MESSAGE_REQUEST_TSF		0x5
 #define MESSAGE_REQUEST_TBTT		0x6
 #define MESSAGE_REQUEST_BBAGC		0x7
 #define MESSAGE_REQUEST_VERSION		0x8
 #define MESSAGE_REQUEST_RF_INIT		0x9
 #define MESSAGE_REQUEST_RF_INIT2	0xa
 #define MESSAGE_REQUEST_RF_CH0		0xb
 #define MESSAGE_REQUEST_RF_CH1		0xc
 #define MESSAGE_REQUEST_RF_CH2		0xd

 /* USB registers */
 #define USB_REG4			0x604

 #define DEVICE_INIT_COLD	0x0 /* cold init */
 #define DEVICE_INIT_RESET	0x1 /* reset init or Dx to D0 power remain */
 #define DEVICE_INIT_DXPL	0x2 /* Dx to D0 power lost init */

 /* Device init */
 struct vnt_cmd_card_init {
 	u8 init_class;
 	u8 exist_sw_net_addr;
 	u8 sw_net_addr[6];
 	u8 short_retry_limit;
 	u8 long_retry_limit;
 };

 struct vnt_rsp_card_init {
 	u8 status;
 	u8 net_addr[6];
 	u8 rf_type;
 	u8 min_channel;
 	u8 max_channel;
 };

 /* USB */

 /*
  * Enum of context types for SendPacket
  */
 enum {
 	CONTEXT_DATA_PACKET = 1,
 	CONTEXT_MGMT_PACKET,
 	CONTEXT_BEACON_PACKET
 };

 /* RCB (Receive Control Block) */
 struct vnt_rcb {
 	void *priv;
 	struct urb *urb;
 	struct sk_buff *skb;
 	int in_use;
 };

 /* used to track bulk out irps */
 struct vnt_usb_send_context {
 	void *priv;
 	struct sk_buff *skb;
 	struct urb *urb;
 	struct ieee80211_hdr *hdr;
 	unsigned int buf_len;
 	u32 frame_len;
 	u16 tx_hdr_size;
 	u16 tx_rate;
 	u8 type;
 	u8 pkt_no;
 	u8 pkt_type;
 	u8 need_ack;
 	u8 fb_option;
 	bool in_use;
 	unsigned char data[MAX_TOTAL_SIZE_WITH_ALL_HEADERS];
 };

 /*
  * Structure to keep track of USB interrupt packets
  */
 struct vnt_interrupt_buffer {
 	u8 *data_buf;
 	bool in_use;
 };

 /*++ NDIS related */

 enum {
 	STATUS_SUCCESS = 0,
 	STATUS_FAILURE,
 	STATUS_RESOURCES,
 	STATUS_PENDING,
 };

 /* flags for options */
 #define DEVICE_FLAGS_UNPLUG		BIT(0)
 #define DEVICE_FLAGS_DISCONNECTED	BIT(1)

 struct vnt_private {
 	/* mac80211 */
 	struct ieee80211_hw *hw;
 	struct ieee80211_vif *vif;
 	u8 mac_hw;
 	/* netdev */
 	struct usb_device *usb;

 	u64 tsf_time;
 	u8 rx_rate;

 	u32 rx_buf_sz;
 	int mc_list_count;

 	spinlock_t lock;
 	struct mutex usb_lock;

 	unsigned long flags;

 	/* USB */
 	struct urb *interrupt_urb;
 	u32 int_interval;

 	/* Variables to track resources for the BULK In Pipe */
 	struct vnt_rcb *rcb[CB_MAX_RX_DESC];
 	u32 num_rcb;

 	/* Variables to track resources for the BULK Out Pipe */
 	struct vnt_usb_send_context *tx_context[CB_MAX_TX_DESC];
 	u32 num_tx_context;

 	/* Variables to track resources for the Interrupt In Pipe */
 	struct vnt_interrupt_buffer int_buf;

 	/* Version control */
 	u16 firmware_version;
 	u8 local_id;
 	u8 rf_type;
 	u8 bb_rx_conf;

 	struct vnt_cmd_card_init init_command;
 	struct vnt_rsp_card_init init_response;
 	u8 current_net_addr[ETH_ALEN] __aligned(2);
 	u8 permanent_net_addr[ETH_ALEN] __aligned(2);

 	u8 exist_sw_net_addr;

 	u64 current_tsf;

 	/* 802.11 MAC specific */
 	u32 current_rssi;

 	/* Antenna Diversity */
 	int tx_rx_ant_inv;
 	u32 rx_antenna_sel;
 	u8 rx_antenna_mode;
 	u8 tx_antenna_mode;
 	u8 radio_ctl;

 	/* IFS & Cw */
 	u32 sifs;  /* Current SIFS */
 	u32 difs;  /* Current DIFS */
 	u32 eifs;  /* Current EIFS */
 	u32 slot;  /* Current SlotTime */

 	/* Rate */
 	u8 bb_type; /* 0: 11A, 1:11B, 2:11G */
 	u8 packet_type; /* 0:11a 1:11b 2:11gb 3:11ga */
 	u32 basic_rates;
 	u8 top_ofdm_basic_rate;
 	u8 top_cck_basic_rate;

 	u8 eeprom[EEP_MAX_CONTEXT_SIZE];  /*u32 alignment */

 	u8 preamble_type;

 	/* For RF Power table */
 	u8 cck_pwr;
 	u8 ofdm_pwr_g;
 	u8 ofdm_pwr_a;
 	u8 power;
 	u8 cck_pwr_tbl[14];
 	u8 ofdm_pwr_tbl[14];
 	u8 ofdm_a_pwr_tbl[42];

 	u16 current_rate;
 	u16 tx_rate_fb0;
 	u16 tx_rate_fb1;

 	u8 short_retry_limit;
 	u8 long_retry_limit;

 	enum nl80211_iftype op_mode;

 	int short_slot_time;

 	/* Power save */
 	u16 current_aid;

 	/* Beacon releated */
 	u16 seq_counter;

 	enum vnt_cmd_state command_state;

 	enum vnt_cmd command;

 	/* 802.11 counter */

 	enum vnt_cmd cmd_queue[CMD_Q_SIZE];
 	u32 cmd_dequeue_idx;
 	u32 cmd_enqueue_idx;
 	u32 free_cmd_queue;
 	int cmd_running;

 	unsigned long key_entry_inuse;

 	u8 auto_fb_ctrl;

 	/* For Update BaseBand VGA Gain Offset */
 	u8 bb_vga[BB_VGA_LEVEL];

 	u8 bb_pre_ed_rssi;
 	u8 bb_pre_ed_index;

 	/* command timer */
 	struct delayed_work run_command_work;

 	struct ieee80211_low_level_stats low_stats;
 };

 #define ADD_ONE_WITH_WRAP_AROUND(uVar, uModulo) {	\
 	if ((uVar) >= ((uModulo) - 1))			\
 		(uVar) = 0;				\
 	else						\
 		(uVar)++;				\
 }

 int vnt_init(struct vnt_private *priv);

 #endif
	/*
	* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
	* All rights reserved.
	*
	* 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, write to the Free Software Foundation, Inc.,
	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* File: device.h
	*
	* Purpose: MAC Data structure
	*
	* Author: Tevin Chen
	*
	* Date: Mar 17, 1997
	*
	*/

	#ifndef __DEVICE_H__
	#define __DEVICE_H__

	#include <linux/module.h>
	#include <linux/kernel.h>
	#include <linux/slab.h>
	#include <linux/delay.h>
	#include <linux/device.h>
	#include <linux/firmware.h>
	#include <linux/suspend.h>
	#include <linux/if_arp.h>
	#include <linux/wireless.h>
	#include <linux/timer.h>
	#include <linux/usb.h>
	#include <linux/crc32.h>
	#include <net/mac80211.h>

	#ifdef SIOCETHTOOL
	#define DEVICE_ETHTOOL_IOCTL_SUPPORT
	#include <linux/ethtool.h>
	#else
	#undef DEVICE_ETHTOOL_IOCTL_SUPPORT
	#endif

	#define RATE_1M 0
	#define RATE_2M 1
	#define RATE_5M 2
	#define RATE_11M 3
	#define RATE_6M 4
	#define RATE_9M 5
	#define RATE_12M 6
	#define RATE_18M 7
	#define RATE_24M 8
	#define RATE_36M 9
	#define RATE_48M 10
	#define RATE_54M 11
	#define RATE_AUTO 12

	#define MAX_RATE 12

	/*
	* device specific
	*/

	#include "wcmd.h"
	#include "desc.h"
	#include "key.h"
	#include "card.h"

	#define VNT_USB_VENDOR_ID 0x160a
	#define VNT_USB_PRODUCT_ID 0x3184

	#define DEVICE_NAME "vt6656"
	#define DEVICE_FULL_DRV_NAM "VIA Networking Wireless LAN USB Driver"

	#define DEVICE_VERSION "mac80211"

	#define CONFIG_PATH "/etc/vntconfiguration.dat"

	#define MAX_UINTS 8
	#define OPTION_DEFAULT { [0 ... MAX_UINTS-1] = -1}

	#define DUPLICATE_RX_CACHE_LENGTH 5

	#define AUTO_FB_NONE 0
	#define AUTO_FB_0 1
	#define AUTO_FB_1 2

	#define FB_RATE0 0
	#define FB_RATE1 1

	/* Antenna Mode */
	#define ANT_A 0
	#define ANT_B 1
	#define ANT_DIVERSITY 2
	#define ANT_RXD_TXA 3
	#define ANT_RXD_TXB 4
	#define ANT_UNKNOWN 0xFF
	#define ANT_TXA 0
	#define ANT_TXB 1
	#define ANT_RXA 2
	#define ANT_RXB 3

	#define BB_VGA_LEVEL 4
	#define BB_VGA_CHANGE_THRESHOLD 3

	#define EEP_MAX_CONTEXT_SIZE 256

	/* Contents in the EEPROM */
	#define EEP_OFS_PAR 0x0
	#define EEP_OFS_ANTENNA 0x17
	#define EEP_OFS_RADIOCTL 0x18
	#define EEP_OFS_RFTYPE 0x1b
	#define EEP_OFS_MINCHANNEL 0x1c
	#define EEP_OFS_MAXCHANNEL 0x1d
	#define EEP_OFS_SIGNATURE 0x1e
	#define EEP_OFS_ZONETYPE 0x1f
	#define EEP_OFS_RFTABLE 0x20
	#define EEP_OFS_PWR_CCK 0x20
	#define EEP_OFS_SETPT_CCK 0x21
	#define EEP_OFS_PWR_OFDMG 0x23

	#define EEP_OFS_CALIB_TX_IQ 0x24
	#define EEP_OFS_CALIB_TX_DC 0x25
	#define EEP_OFS_CALIB_RX_IQ 0x26

	#define EEP_OFS_MAJOR_VER 0x2e
	#define EEP_OFS_MINOR_VER 0x2f

	#define EEP_OFS_CCK_PWR_TBL 0x30
	#define EEP_OFS_OFDM_PWR_TBL 0x40
	#define EEP_OFS_OFDMA_PWR_TBL 0x50

	/* Bits in EEP_OFS_ANTENNA */
	#define EEP_ANTENNA_MAIN 0x1
	#define EEP_ANTENNA_AUX 0x2
	#define EEP_ANTINV 0x4

	/* Bits in EEP_OFS_RADIOCTL */
	#define EEP_RADIOCTL_ENABLE 0x80

	/* control commands */
	#define MESSAGE_TYPE_READ 0x1
	#define MESSAGE_TYPE_WRITE 0x0
	#define MESSAGE_TYPE_LOCK_OR 0x2
	#define MESSAGE_TYPE_LOCK_AND 0x3
	#define MESSAGE_TYPE_WRITE_MASK 0x4
	#define MESSAGE_TYPE_CARDINIT 0x5
	#define MESSAGE_TYPE_INIT_RSP 0x6
	#define MESSAGE_TYPE_MACSHUTDOWN 0x7
	#define MESSAGE_TYPE_SETKEY 0x8
	#define MESSAGE_TYPE_CLRKEYENTRY 0x9
	#define MESSAGE_TYPE_WRITE_MISCFF 0xa
	#define MESSAGE_TYPE_SET_ANTMD 0xb
	#define MESSAGE_TYPE_SELECT_CHANNEL 0xc
	#define MESSAGE_TYPE_SET_TSFTBTT 0xd
	#define MESSAGE_TYPE_SET_SSTIFS 0xe
	#define MESSAGE_TYPE_CHANGE_BBTYPE 0xf
	#define MESSAGE_TYPE_DISABLE_PS 0x10
	#define MESSAGE_TYPE_WRITE_IFRF 0x11

	/* command read/write(index) */
	#define MESSAGE_REQUEST_MEM 0x1
	#define MESSAGE_REQUEST_BBREG 0x2
	#define MESSAGE_REQUEST_MACREG 0x3
	#define MESSAGE_REQUEST_EEPROM 0x4
	#define MESSAGE_REQUEST_TSF 0x5
	#define MESSAGE_REQUEST_TBTT 0x6
	#define MESSAGE_REQUEST_BBAGC 0x7
	#define MESSAGE_REQUEST_VERSION 0x8
	#define MESSAGE_REQUEST_RF_INIT 0x9
	#define MESSAGE_REQUEST_RF_INIT2 0xa
	#define MESSAGE_REQUEST_RF_CH0 0xb
	#define MESSAGE_REQUEST_RF_CH1 0xc
	#define MESSAGE_REQUEST_RF_CH2 0xd

	/* USB registers */
	#define USB_REG4 0x604

	#define DEVICE_INIT_COLD 0x0 /* cold init */
	#define DEVICE_INIT_RESET 0x1 /* reset init or Dx to D0 power remain */
	#define DEVICE_INIT_DXPL 0x2 /* Dx to D0 power lost init */

	/* Device init */
	struct vnt_cmd_card_init {
	u8 init_class;
	u8 exist_sw_net_addr;
	u8 sw_net_addr[6];
	u8 short_retry_limit;
	u8 long_retry_limit;
	};

	struct vnt_rsp_card_init {
	u8 status;
	u8 net_addr[6];
	u8 rf_type;
	u8 min_channel;
	u8 max_channel;
	};

	/* USB */

	/*
	* Enum of context types for SendPacket
	*/
	enum {
	CONTEXT_DATA_PACKET = 1,
	CONTEXT_MGMT_PACKET,
	CONTEXT_BEACON_PACKET
	};

	/* RCB (Receive Control Block) */
	struct vnt_rcb {
	void *priv;
	struct urb *urb;
	struct sk_buff *skb;
	int in_use;
	};

	/* used to track bulk out irps */
	struct vnt_usb_send_context {
	void *priv;
	struct sk_buff *skb;
	struct urb *urb;
	struct ieee80211_hdr *hdr;
	unsigned int buf_len;
	u32 frame_len;
	u16 tx_hdr_size;
	u16 tx_rate;
	u8 type;
	u8 pkt_no;
	u8 pkt_type;
	u8 need_ack;
	u8 fb_option;
	bool in_use;
	unsigned char data[MAX_TOTAL_SIZE_WITH_ALL_HEADERS];
	};

	/*
	* Structure to keep track of USB interrupt packets
	*/
	struct vnt_interrupt_buffer {
	u8 *data_buf;
	bool in_use;
	};

	/++ NDIS related /

	enum {
	STATUS_SUCCESS = 0,
	STATUS_FAILURE,
	STATUS_RESOURCES,
	STATUS_PENDING,
	};

	/* flags for options */
	#define DEVICE_FLAGS_UNPLUG BIT(0)
	#define DEVICE_FLAGS_DISCONNECTED BIT(1)

	struct vnt_private {
	/* mac80211 */
	struct ieee80211_hw *hw;
	struct ieee80211_vif *vif;
	u8 mac_hw;
	/* netdev */
	struct usb_device *usb;

	u64 tsf_time;
	u8 rx_rate;

	u32 rx_buf_sz;
	int mc_list_count;

	spinlock_t lock;
	struct mutex usb_lock;

	unsigned long flags;

	/* USB */
	struct urb *interrupt_urb;
	u32 int_interval;

	/* Variables to track resources for the BULK In Pipe */
	struct vnt_rcb *rcb[CB_MAX_RX_DESC];
	u32 num_rcb;

	/* Variables to track resources for the BULK Out Pipe */
	struct vnt_usb_send_context *tx_context[CB_MAX_TX_DESC];
	u32 num_tx_context;

	/* Variables to track resources for the Interrupt In Pipe */
	struct vnt_interrupt_buffer int_buf;

	/* Version control */
	u16 firmware_version;
	u8 local_id;
	u8 rf_type;
	u8 bb_rx_conf;

	struct vnt_cmd_card_init init_command;
	struct vnt_rsp_card_init init_response;
	u8 current_net_addr[ETH_ALEN] __aligned(2);
	u8 permanent_net_addr[ETH_ALEN] __aligned(2);

	u8 exist_sw_net_addr;

	u64 current_tsf;

	/* 802.11 MAC specific */
	u32 current_rssi;

	/* Antenna Diversity */
	int tx_rx_ant_inv;
	u32 rx_antenna_sel;
	u8 rx_antenna_mode;
	u8 tx_antenna_mode;
	u8 radio_ctl;

	/* IFS & Cw */
	u32 sifs; /* Current SIFS */
	u32 difs; /* Current DIFS */
	u32 eifs; /* Current EIFS */
	u32 slot; /* Current SlotTime */

	/* Rate */
	u8 bb_type; /* 0: 11A, 1:11B, 2:11G */
	u8 packet_type; /* 0:11a 1:11b 2:11gb 3:11ga */
	u32 basic_rates;
	u8 top_ofdm_basic_rate;
	u8 top_cck_basic_rate;

	u8 eeprom[EEP_MAX_CONTEXT_SIZE]; /u32 alignment /

	u8 preamble_type;

	/* For RF Power table */
	u8 cck_pwr;
	u8 ofdm_pwr_g;
	u8 ofdm_pwr_a;
	u8 power;
	u8 cck_pwr_tbl[14];
	u8 ofdm_pwr_tbl[14];
	u8 ofdm_a_pwr_tbl[42];

	u16 current_rate;
	u16 tx_rate_fb0;
	u16 tx_rate_fb1;

	u8 short_retry_limit;
	u8 long_retry_limit;

	enum nl80211_iftype op_mode;

	int short_slot_time;

	/* Power save */
	u16 current_aid;

	/* Beacon releated */
	u16 seq_counter;

	enum vnt_cmd_state command_state;

	enum vnt_cmd command;

	/* 802.11 counter */

	enum vnt_cmd cmd_queue[CMD_Q_SIZE];
	u32 cmd_dequeue_idx;
	u32 cmd_enqueue_idx;
	u32 free_cmd_queue;
	int cmd_running;

	unsigned long key_entry_inuse;

	u8 auto_fb_ctrl;

	/* For Update BaseBand VGA Gain Offset */
	u8 bb_vga[BB_VGA_LEVEL];

	u8 bb_pre_ed_rssi;
	u8 bb_pre_ed_index;

	/* command timer */
	struct delayed_work run_command_work;

	struct ieee80211_low_level_stats low_stats;
	};

	#define ADD_ONE_WITH_WRAP_AROUND(uVar, uModulo) { \
	if ((uVar) >= ((uModulo) - 1)) \
	(uVar) = 0; \
	else \
	(uVar)++; \
	}

	int vnt_init(struct vnt_private *priv);

	#endif