drivers/staging/rtl8192u/r8192U_core.c

/******************************************************************************
 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
 * Linux device driver for RTL8192U
 *
 * Based on the r8187 driver, which is:
 * Copyright 2004-2005 Andrea Merello <andreamrl@tiscali.it>, et al.
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * 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, USA
 *
 * The full GNU General Public License is included in this distribution in the
 * file called LICENSE.
 *
 * Contact Information:
 * Jerry chuang <wlanfae@realtek.com>
 */

#ifndef CONFIG_FORCE_HARD_FLOAT
double __floatsidf (int i) { return i; }
unsigned int __fixunsdfsi (double d) { return d; }
double __adddf3(double a, double b) { return a+b; }
double __addsf3(float a, float b) { return a+b; }
double __subdf3(double a, double b) { return a-b; }
double __extendsfdf2(float a) {return a;}
#endif

#undef LOOP_TEST
#undef DUMP_RX
#undef DUMP_TX
#undef DEBUG_TX_DESC2
#undef RX_DONT_PASS_UL
#undef DEBUG_EPROM
#undef DEBUG_RX_VERBOSE
#undef DUMMY_RX
#undef DEBUG_ZERO_RX
#undef DEBUG_RX_SKB
#undef DEBUG_TX_FRAG
#undef DEBUG_RX_FRAG
#undef DEBUG_TX_FILLDESC
#undef DEBUG_TX
#undef DEBUG_IRQ
#undef DEBUG_RX
#undef DEBUG_RXALLOC
#undef DEBUG_REGISTERS
#undef DEBUG_RING
#undef DEBUG_IRQ_TASKLET
#undef DEBUG_TX_ALLOC
#undef DEBUG_TX_DESC

#define CONFIG_RTL8192_IO_MAP

#include <asm/uaccess.h>
#include "r8192U_hw.h"
#include "r8192U.h"
#include "r8190_rtl8256.h" /* RTL8225 Radio frontend */
#include "r8180_93cx6.h"   /* Card EEPROM */
#include "r8192U_wx.h"
#include "r819xU_phy.h" //added by WB 4.30.2008
#include "r819xU_phyreg.h"
#include "r819xU_cmdpkt.h"
#include "r8192U_dm.h"
//#include "r8192xU_phyreg.h"
#include <linux/usb.h>
// FIXME: check if 2.6.7 is ok
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,7))
#define usb_kill_urb usb_unlink_urb
#endif

#ifdef CONFIG_RTL8192_PM
#include "r8192_pm.h"
#endif

#ifdef ENABLE_DOT11D
#include "dot11d.h"
#endif
//set here to open your trace code. //WB
u32 rt_global_debug_component = \
			//	COMP_INIT    	|
//				COMP_DBG	|
			//	COMP_EPROM   	|
//				COMP_PHY	|
			//	COMP_RF		|
//				COMP_FIRMWARE	|
//				COMP_CH		|
			//	COMP_POWER_TRACKING |
//				COMP_RATE	|
			//	COMP_TXAGC	|
		//		COMP_TRACE	|
				COMP_DOWN	|
		//		COMP_RECV	|
		//              COMP_SWBW	|
				COMP_SEC	|
	//			COMP_RESET	|
		//		COMP_SEND	|
			//	COMP_EVENTS	|
				COMP_ERR ; //always open err flags on

#define TOTAL_CAM_ENTRY 32
#define CAM_CONTENT_COUNT 8

static struct usb_device_id rtl8192_usb_id_tbl[] = {
	/* Realtek */
	{USB_DEVICE(0x0bda, 0x8192)},
	{USB_DEVICE(0x0bda, 0x8709)},
	/* Corega */
	{USB_DEVICE(0x07aa, 0x0043)},
	/* Belkin */
	{USB_DEVICE(0x050d, 0x805E)},
	/* Sitecom */
	{USB_DEVICE(0x0df6, 0x0031)},
	/* EnGenius */
	{USB_DEVICE(0x1740, 0x9201)},
	/* Dlink */
	{USB_DEVICE(0x2001, 0x3301)},
	/* Zinwell */
	{USB_DEVICE(0x5a57, 0x0290)},
	{}
};

MODULE_LICENSE("GPL");
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
MODULE_VERSION("V 1.1");
#endif
MODULE_DEVICE_TABLE(usb, rtl8192_usb_id_tbl);
MODULE_DESCRIPTION("Linux driver for Realtek RTL8192 USB WiFi cards");

static char* ifname = "wlan%d";
#if 0
static int hwseqnum = 0;
static int hwwep = 0;
#endif
static int hwwep = 1;  //default use hw. set 0 to use software security
static int channels = 0x3fff;



#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 9)
module_param(ifname, charp, S_IRUGO|S_IWUSR );
//module_param(hwseqnum,int, S_IRUGO|S_IWUSR);
module_param(hwwep,int, S_IRUGO|S_IWUSR);
module_param(channels,int, S_IRUGO|S_IWUSR);
#else
MODULE_PARM(ifname, "s");
//MODULE_PARM(hwseqnum,"i");
MODULE_PARM(hwwep,"i");
MODULE_PARM(channels,"i");
#endif

MODULE_PARM_DESC(ifname," Net interface name, wlan%d=default");
//MODULE_PARM_DESC(hwseqnum," Try to use hardware 802.11 header sequence numbers. Zero=default");
MODULE_PARM_DESC(hwwep," Try to use hardware security support. ");
MODULE_PARM_DESC(channels," Channel bitmask for specific locales. NYI");

#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
static int __devinit rtl8192_usb_probe(struct usb_interface *intf,
			 const struct usb_device_id *id);
static void __devexit rtl8192_usb_disconnect(struct usb_interface *intf);
#else
static void *__devinit rtl8192_usb_probe(struct usb_device *udev,unsigned int ifnum,
			 const struct usb_device_id *id);
static void __devexit rtl8192_usb_disconnect(struct usb_device *udev, void *ptr);
#endif


static struct usb_driver rtl8192_usb_driver = {
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 15)
	.owner		= THIS_MODULE,
#endif
	.name		= RTL819xU_MODULE_NAME,		  /* Driver name   */
	.id_table	= rtl8192_usb_id_tbl,		  /* PCI_ID table  */
	.probe		= rtl8192_usb_probe,		  /* probe fn      */
	.disconnect	= rtl8192_usb_disconnect,	  /* remove fn     */
#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0)
#ifdef CONFIG_RTL8192_PM
	.suspend	= rtl8192_suspend,		  /* PM suspend fn */
	.resume		= rtl8192_resume,                 /* PM resume fn  */
#else
	.suspend	= NULL,				  /* PM suspend fn */
	.resume      	= NULL,				  /* PM resume fn  */
#endif
#endif
};

#ifdef ENABLE_DOT11D

typedef struct _CHANNEL_LIST
{
	u8	Channel[32];
	u8	Len;
}CHANNEL_LIST, *PCHANNEL_LIST;

static CHANNEL_LIST ChannelPlan[] = {
	{{1,2,3,4,5,6,7,8,9,10,11,36,40,44,48,52,56,60,64,149,153,157,161,165},24},  		//FCC
	{{1,2,3,4,5,6,7,8,9,10,11},11},                    				//IC
	{{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21},  	//ETSI
	{{1,2,3,4,5,6,7,8,9,10,11,12,13},13},    //Spain. Change to ETSI.
	{{1,2,3,4,5,6,7,8,9,10,11,12,13},13},  	//France. Change to ETSI.
	{{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22},	//MKK					//MKK
	{{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22},//MKK1
	{{1,2,3,4,5,6,7,8,9,10,11,12,13},13},	//Israel.
	{{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22},			// For 11a , TELEC
	{{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64}, 22},    //MIC
	{{1,2,3,4,5,6,7,8,9,10,11,12,13,14},14}					//For Global Domain. 1-11:active scan, 12-14 passive scan. //+YJ, 080626
};

static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv* priv)
{
	int i, max_chan=-1, min_chan=-1;
	struct ieee80211_device* ieee = priv->ieee80211;
	switch (channel_plan)
	{
		case COUNTRY_CODE_FCC:
		case COUNTRY_CODE_IC:
		case COUNTRY_CODE_ETSI:
		case COUNTRY_CODE_SPAIN:
		case COUNTRY_CODE_FRANCE:
		case COUNTRY_CODE_MKK:
		case COUNTRY_CODE_MKK1:
		case COUNTRY_CODE_ISRAEL:
		case COUNTRY_CODE_TELEC:
		case COUNTRY_CODE_MIC:
		{
			Dot11d_Init(ieee);
			ieee->bGlobalDomain = false;
			//acturally 8225 & 8256 rf chip only support B,G,24N mode
			if ((priv->rf_chip == RF_8225) || (priv->rf_chip == RF_8256))
			{
				min_chan = 1;
				max_chan = 14;
			}
			else
			{
				RT_TRACE(COMP_ERR, "unknown rf chip, can't set channel map in function:%s()\n", __FUNCTION__);
			}
			if (ChannelPlan[channel_plan].Len != 0){
				// Clear old channel map
				memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map));
				// Set new channel map
				for (i=0;i<ChannelPlan[channel_plan].Len;i++)
				{
					if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
					break;
					GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
				}
			}
			break;
		}
		case COUNTRY_CODE_GLOBAL_DOMAIN:
		{
			GET_DOT11D_INFO(ieee)->bEnabled = 0;//this flag enabled to follow 11d country IE setting, otherwise, it shall follow global domain settings.
			Dot11d_Reset(ieee);
			ieee->bGlobalDomain = true;
			break;
		}
		default:
			break;
	}
	return;
}
#endif

#define eqMacAddr(a,b) ( ((a)[0]==(b)[0] && (a)[1]==(b)[1] && (a)[2]==(b)[2] && (a)[3]==(b)[3] && (a)[4]==(b)[4] && (a)[5]==(b)[5]) ? 1:0 )

#define 	rx_hal_is_cck_rate(_pdrvinfo)\
			(_pdrvinfo->RxRate == DESC90_RATE1M ||\
			_pdrvinfo->RxRate == DESC90_RATE2M ||\
			_pdrvinfo->RxRate == DESC90_RATE5_5M ||\
			_pdrvinfo->RxRate == DESC90_RATE11M) &&\
			!_pdrvinfo->RxHT\


void CamResetAllEntry(struct net_device *dev)
{
#if 1
	u32 ulcommand = 0;
	//2004/02/11  In static WEP, OID_ADD_KEY or OID_ADD_WEP are set before STA associate to AP.
	// However, ResetKey is called on OID_802_11_INFRASTRUCTURE_MODE and MlmeAssociateRequest
	// In this condition, Cam can not be reset because upper layer will not set this static key again.
	//if(Adapter->EncAlgorithm == WEP_Encryption)
	//      return;
//debug
	//DbgPrint("========================================\n");
	//DbgPrint("                            Call ResetAllEntry                                              \n");
	//DbgPrint("========================================\n\n");
	ulcommand |= BIT31|BIT30;
	write_nic_dword(dev, RWCAM, ulcommand);
#else
	for(ucIndex=0;ucIndex<TOTAL_CAM_ENTRY;ucIndex++)
		CAM_mark_invalid(dev, ucIndex);
	for(ucIndex=0;ucIndex<TOTAL_CAM_ENTRY;ucIndex++)
		CAM_empty_entry(dev, ucIndex);
#endif

}


void write_cam(struct net_device *dev, u8 addr, u32 data)
{
	write_nic_dword(dev, WCAMI, data);
	write_nic_dword(dev, RWCAM, BIT31|BIT16|(addr&0xff) );
}

u32 read_cam(struct net_device *dev, u8 addr)
{
	write_nic_dword(dev, RWCAM, 0x80000000|(addr&0xff) );
	return read_nic_dword(dev, 0xa8);
}

void write_nic_byte_E(struct net_device *dev, int indx, u8 data)
{
	int status;
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	struct usb_device *udev = priv->udev;

	status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
			       RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
			       indx|0xfe00, 0, &data, 1, HZ / 2);

	if (status < 0)
	{
		printk("write_nic_byte_E TimeOut! status:%d\n", status);
	}
}

u8 read_nic_byte_E(struct net_device *dev, int indx)
{
	int status;
	u8 data;
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	struct usb_device *udev = priv->udev;

	status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
			       RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
			       indx|0xfe00, 0, &data, 1, HZ / 2);

	if (status < 0)
	{
		printk("read_nic_byte_E TimeOut! status:%d\n", status);
	}

	return data;
}
//as 92U has extend page from 4 to 16, so modify functions below.
void write_nic_byte(struct net_device *dev, int indx, u8 data)
{
	int status;

	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	struct usb_device *udev = priv->udev;

	status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
			       RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
			       (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 1, HZ / 2);

	if (status < 0)
	{
		printk("write_nic_byte TimeOut! status:%d\n", status);
	}


}


void write_nic_word(struct net_device *dev, int indx, u16 data)
{

	int status;

	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	struct usb_device *udev = priv->udev;

	status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
			       RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
			       (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 2, HZ / 2);

	if (status < 0)
	{
		printk("write_nic_word TimeOut! status:%d\n", status);
	}

}


void write_nic_dword(struct net_device *dev, int indx, u32 data)
{

	int status;

	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	struct usb_device *udev = priv->udev;

	status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
			       RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
			       (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 4, HZ / 2);


	if (status < 0)
	{
		printk("write_nic_dword TimeOut! status:%d\n", status);
	}

}



u8 read_nic_byte(struct net_device *dev, int indx)
{
	u8 data;
	int status;
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	struct usb_device *udev = priv->udev;

	status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
			       RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
			       (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 1, HZ / 2);

	if (status < 0)
	{
		printk("read_nic_byte TimeOut! status:%d\n", status);
	}

	return data;
}



u16 read_nic_word(struct net_device *dev, int indx)
{
	u16 data;
	int status;
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	struct usb_device *udev = priv->udev;

	status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
			       RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
			       (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 2, HZ / 2);

	if (status < 0)
	{
		printk("read_nic_word TimeOut! status:%d\n", status);
	}


	return data;
}

u16 read_nic_word_E(struct net_device *dev, int indx)
{
	u16 data;
	int status;
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	struct usb_device *udev = priv->udev;

	status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
			       RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
			       indx|0xfe00, 0, &data, 2, HZ / 2);

	if (status < 0)
	{
		printk("read_nic_word TimeOut! status:%d\n", status);
	}


	return data;
}

u32 read_nic_dword(struct net_device *dev, int indx)
{
	u32 data;
	int status;
//	int result;

	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	struct usb_device *udev = priv->udev;

	status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
			       RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
			       (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 4, HZ / 2);
//	if(0 != result) {
//	  printk(KERN_WARNING "read size of data = %d\, date = %d\n", result, data);
//	}

	if (status < 0)
	{
		printk("read_nic_dword TimeOut! status:%d\n", status);
	}



	return data;
}


//u8 read_phy_cck(struct net_device *dev, u8 adr);
//u8 read_phy_ofdm(struct net_device *dev, u8 adr);
/* this might still called in what was the PHY rtl8185/rtl8192 common code
 * plans are to possibilty turn it again in one common code...
 */
inline void force_pci_posting(struct net_device *dev)
{
}


static struct net_device_stats *rtl8192_stats(struct net_device *dev);
void rtl8192_commit(struct net_device *dev);
//void rtl8192_restart(struct net_device *dev);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
void rtl8192_restart(struct work_struct *work);
//void rtl8192_rq_tx_ack(struct work_struct *work);
#else
 void rtl8192_restart(struct net_device *dev);
// //void rtl8192_rq_tx_ack(struct net_device *dev);
 #endif

void watch_dog_timer_callback(unsigned long data);

/****************************************************************************
   -----------------------------PROCFS STUFF-------------------------
*****************************************************************************/

static struct proc_dir_entry *rtl8192_proc = NULL;



static int proc_get_stats_ap(char *page, char **start,
			  off_t offset, int count,
			  int *eof, void *data)
{
	struct net_device *dev = data;
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	struct ieee80211_device *ieee = priv->ieee80211;
	struct ieee80211_network *target;

	int len = 0;

	list_for_each_entry(target, &ieee->network_list, list) {

		len += snprintf(page + len, count - len,
		"%s ", target->ssid);

		if(target->wpa_ie_len>0 || target->rsn_ie_len>0){
			len += snprintf(page + len, count - len,
			"WPA\n");
		}
		else{
			len += snprintf(page + len, count - len,
			"non_WPA\n");
		}

	}

	*eof = 1;
	return len;
}

static int proc_get_registers(char *page, char **start,
			  off_t offset, int count,
			  int *eof, void *data)
{
	struct net_device *dev = data;
//	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);

	int len = 0;
	int i,n;

	int max=0xff;

	/* This dump the current register page */
len += snprintf(page + len, count - len,
			"\n####################page 0##################\n ");

	for(n=0;n<=max;)
	{
		//printk( "\nD: %2x> ", n);
		len += snprintf(page + len, count - len,
			"\nD:  %2x > ",n);

		for(i=0;i<16 && n<=max;i++,n++)
		len += snprintf(page + len, count - len,
			"%2x ",read_nic_byte(dev,0x000|n));

		//	printk("%2x ",read_nic_byte(dev,n));
	}
#if 1
len += snprintf(page + len, count - len,
			"\n####################page 1##################\n ");
	for(n=0;n<=max;)
	{
		//printk( "\nD: %2x> ", n);
		len += snprintf(page + len, count - len,
			"\nD:  %2x > ",n);

		for(i=0;i<16 && n<=max;i++,n++)
		len += snprintf(page + len, count - len,
			"%2x ",read_nic_byte(dev,0x100|n));

		//      printk("%2x ",read_nic_byte(dev,n));
	}
len += snprintf(page + len, count - len,
			"\n####################page 3##################\n ");
	for(n=0;n<=max;)
	{
		//printk( "\nD: %2x> ", n);
		len += snprintf(page + len, count - len,
			"\nD:  %2x > ",n);

		for(i=0;i<16 && n<=max;i++,n++)
		len += snprintf(page + len, count - len,
			"%2x ",read_nic_byte(dev,0x300|n));

		//      printk("%2x ",read_nic_byte(dev,n));
	}

#endif

	len += snprintf(page + len, count - len,"\n");
	*eof = 1;
	return len;

}


#if 0
static int proc_get_cck_reg(char *page, char **start,
			  off_t offset, int count,
			  int *eof, void *data)
{
	struct net_device *dev = data;
//	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);

	int len = 0;
	int i,n;

	int max = 0x5F;

	/* This dump the current register page */
	for(n=0;n<=max;)
	{
		//printk( "\nD: %2x> ", n);
		len += snprintf(page + len, count - len,
			"\nD:  %2x > ",n);

		for(i=0;i<16 && n<=max;i++,n++)
		len += snprintf(page + len, count - len,
			"%2x ",read_phy_cck(dev,n));

		//	printk("%2x ",read_nic_byte(dev,n));
	}
	len += snprintf(page + len, count - len,"\n");


	*eof = 1;
	return len;
}

#endif

#if 0
static int proc_get_ofdm_reg(char *page, char **start,
			  off_t offset, int count,
			  int *eof, void *data)
{
	struct net_device *dev = data;
//	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);

	int len = 0;
	int i,n;

	//int max=0xff;
	int max = 0x40;

	/* This dump the current register page */
	for(n=0;n<=max;)
	{
		//printk( "\nD: %2x> ", n);
		len += snprintf(page + len, count - len,
			"\nD:  %2x > ",n);

		for(i=0;i<16 && n<=max;i++,n++)
		len += snprintf(page + len, count - len,
			"%2x ",read_phy_ofdm(dev,n));

		//	printk("%2x ",read_nic_byte(dev,n));
	}
	len += snprintf(page + len, count - len,"\n");



	*eof = 1;
	return len;
}

#endif

#if 0
static int proc_get_stats_hw(char *page, char **start,
			  off_t offset, int count,
			  int *eof, void *data)
{
	struct net_device *dev = data;
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);

	int len = 0;

	len += snprintf(page + len, count - len,
		"NIC int: %lu\n"
		"Total int: %lu\n",
		priv->stats.ints,
		priv->stats.shints);

	*eof = 1;
	return len;
}
#endif

static int proc_get_stats_tx(char *page, char **start,
			  off_t offset, int count,
			  int *eof, void *data)
{
	struct net_device *dev = data;
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);

	int len = 0;

	len += snprintf(page + len, count - len,
		"TX VI priority ok int: %lu\n"
		"TX VI priority error int: %lu\n"
		"TX VO priority ok int: %lu\n"
		"TX VO priority error int: %lu\n"
		"TX BE priority ok int: %lu\n"
		"TX BE priority error int: %lu\n"
		"TX BK priority ok int: %lu\n"
		"TX BK priority error int: %lu\n"
		"TX MANAGE priority ok int: %lu\n"
		"TX MANAGE priority error int: %lu\n"
		"TX BEACON priority ok int: %lu\n"
		"TX BEACON priority error int: %lu\n"
//		"TX high priority ok int: %lu\n"
//		"TX high priority failed error int: %lu\n"
		"TX queue resume: %lu\n"
		"TX queue stopped?: %d\n"
		"TX fifo overflow: %lu\n"
//		"TX beacon: %lu\n"
		"TX VI queue: %d\n"
		"TX VO queue: %d\n"
		"TX BE queue: %d\n"
		"TX BK queue: %d\n"
//		"TX HW queue: %d\n"
		"TX VI dropped: %lu\n"
		"TX VO dropped: %lu\n"
		"TX BE dropped: %lu\n"
		"TX BK dropped: %lu\n"
		"TX total data packets %lu\n",
//		"TX beacon aborted: %lu\n",
		priv->stats.txviokint,
		priv->stats.txvierr,
		priv->stats.txvookint,
		priv->stats.txvoerr,
		priv->stats.txbeokint,
		priv->stats.txbeerr,
		priv->stats.txbkokint,
		priv->stats.txbkerr,
		priv->stats.txmanageokint,
		priv->stats.txmanageerr,
		priv->stats.txbeaconokint,
		priv->stats.txbeaconerr,
//		priv->stats.txhpokint,
//		priv->stats.txhperr,
		priv->stats.txresumed,
		netif_queue_stopped(dev),
		priv->stats.txoverflow,
//		priv->stats.txbeacon,
		atomic_read(&(priv->tx_pending[VI_PRIORITY])),
		atomic_read(&(priv->tx_pending[VO_PRIORITY])),
		atomic_read(&(priv->tx_pending[BE_PRIORITY])),
		atomic_read(&(priv->tx_pending[BK_PRIORITY])),
//		read_nic_byte(dev, TXFIFOCOUNT),
		priv->stats.txvidrop,
		priv->stats.txvodrop,
		priv->stats.txbedrop,
		priv->stats.txbkdrop,
		priv->stats.txdatapkt
//		priv->stats.txbeaconerr
		);

	*eof = 1;
	return len;
}



static int proc_get_stats_rx(char *page, char **start,
			  off_t offset, int count,
			  int *eof, void *data)
{
	struct net_device *dev = data;
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);

	int len = 0;

	len += snprintf(page + len, count - len,
		"RX packets: %lu\n"
		"RX urb status error: %lu\n"
		"RX invalid urb error: %lu\n",
		priv->stats.rxoktotal,
		priv->stats.rxstaterr,
		priv->stats.rxurberr);

	*eof = 1;
	return len;
}
#if 0
#if WIRELESS_EXT >= 12 && WIRELESS_EXT < 17

static struct iw_statistics *r8192_get_wireless_stats(struct net_device *dev)
{
       struct r8192_priv *priv = ieee80211_priv(dev);

       return &priv->wstats;
}
#endif
#endif
void rtl8192_proc_module_init(void)
{
	RT_TRACE(COMP_INIT, "Initializing proc filesystem");
#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24))
	rtl8192_proc=create_proc_entry(RTL819xU_MODULE_NAME, S_IFDIR, proc_net);
#else
	rtl8192_proc=create_proc_entry(RTL819xU_MODULE_NAME, S_IFDIR, init_net.proc_net);
#endif
}


void rtl8192_proc_module_remove(void)
{
#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24))
	remove_proc_entry(RTL819xU_MODULE_NAME, proc_net);
#else
	remove_proc_entry(RTL819xU_MODULE_NAME, init_net.proc_net);
#endif
}


void rtl8192_proc_remove_one(struct net_device *dev)
{
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);


	if (priv->dir_dev) {
	//	remove_proc_entry("stats-hw", priv->dir_dev);
		remove_proc_entry("stats-tx", priv->dir_dev);
		remove_proc_entry("stats-rx", priv->dir_dev);
	//	remove_proc_entry("stats-ieee", priv->dir_dev);
		remove_proc_entry("stats-ap", priv->dir_dev);
		remove_proc_entry("registers", priv->dir_dev);
	//	remove_proc_entry("cck-registers",priv->dir_dev);
	//	remove_proc_entry("ofdm-registers",priv->dir_dev);
		//remove_proc_entry(dev->name, rtl8192_proc);
		remove_proc_entry("wlan0", rtl8192_proc);
		priv->dir_dev = NULL;
	}
}


void rtl8192_proc_init_one(struct net_device *dev)
{
	struct proc_dir_entry *e;
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	priv->dir_dev = create_proc_entry(dev->name,
					  S_IFDIR | S_IRUGO | S_IXUGO,
					  rtl8192_proc);
	if (!priv->dir_dev) {
		RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n",
		      dev->name);
		return;
	}
	#if 0
	e = create_proc_read_entry("stats-hw", S_IFREG | S_IRUGO,
				   priv->dir_dev, proc_get_stats_hw, dev);

	if (!e) {
		DMESGE("Unable to initialize "
		      "/proc/net/rtl8192/%s/stats-hw\n",
		      dev->name);
	}
	#endif
	e = create_proc_read_entry("stats-rx", S_IFREG | S_IRUGO,
				   priv->dir_dev, proc_get_stats_rx, dev);

	if (!e) {
		RT_TRACE(COMP_ERR,"Unable to initialize "
		      "/proc/net/rtl8192/%s/stats-rx\n",
		      dev->name);
	}


	e = create_proc_read_entry("stats-tx", S_IFREG | S_IRUGO,
				   priv->dir_dev, proc_get_stats_tx, dev);

	if (!e) {
		RT_TRACE(COMP_ERR, "Unable to initialize "
		      "/proc/net/rtl8192/%s/stats-tx\n",
		      dev->name);
	}
	#if 0
	e = create_proc_read_entry("stats-ieee", S_IFREG | S_IRUGO,
				   priv->dir_dev, proc_get_stats_ieee, dev);

	if (!e) {
		DMESGE("Unable to initialize "
		      "/proc/net/rtl8192/%s/stats-ieee\n",
		      dev->name);
	}

	#endif

	e = create_proc_read_entry("stats-ap", S_IFREG | S_IRUGO,
				   priv->dir_dev, proc_get_stats_ap, dev);

	if (!e) {
		RT_TRACE(COMP_ERR, "Unable to initialize "
		      "/proc/net/rtl8192/%s/stats-ap\n",
		      dev->name);
	}

	e = create_proc_read_entry("registers", S_IFREG | S_IRUGO,
				   priv->dir_dev, proc_get_registers, dev);
	if (!e) {
		RT_TRACE(COMP_ERR, "Unable to initialize "
		      "/proc/net/rtl8192/%s/registers\n",
		      dev->name);
	}
#if 0
	e = create_proc_read_entry("cck-registers", S_IFREG | S_IRUGO,
				   priv->dir_dev, proc_get_cck_reg, dev);
	if (!e) {
		RT_TRACE(COMP_ERR, "Unable to initialize "
		      "/proc/net/rtl8192/%s/cck-registers\n",
		      dev->name);
	}

	e = create_proc_read_entry("ofdm-registers", S_IFREG | S_IRUGO,
				   priv->dir_dev, proc_get_ofdm_reg, dev);
	if (!e) {
		RT_TRACE(COMP_ERR, "Unable to initialize "
		      "/proc/net/rtl8192/%s/ofdm-registers\n",
		      dev->name);
	}
#endif
}
/****************************************************************************
   -----------------------------MISC STUFF-------------------------
*****************************************************************************/

/* this is only for debugging */
void print_buffer(u32 *buffer, int len)
{
	int i;
	u8 *buf =(u8*)buffer;

	printk("ASCII BUFFER DUMP (len: %x):\n",len);

	for(i=0;i<len;i++)
		printk("%c",buf[i]);

	printk("\nBINARY BUFFER DUMP (len: %x):\n",len);

	for(i=0;i<len;i++)
		printk("%x",buf[i]);

	printk("\n");
}

//short check_nic_enough_desc(struct net_device *dev, priority_t priority)
short check_nic_enough_desc(struct net_device *dev,int queue_index)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	int used = atomic_read(&priv->tx_pending[queue_index]);

	return (used < MAX_TX_URB);
}

void tx_timeout(struct net_device *dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	//rtl8192_commit(dev);

#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
	schedule_work(&priv->reset_wq);
#else
	schedule_task(&priv->reset_wq);
#endif
	//DMESG("TXTIMEOUT");
}


/* this is only for debug */
void dump_eprom(struct net_device *dev)
{
	int i;
	for(i=0; i<63; i++)
		RT_TRACE(COMP_EPROM, "EEPROM addr %x : %x", i, eprom_read(dev,i));
}

/* this is only for debug */
void rtl8192_dump_reg(struct net_device *dev)
{
	int i;
	int n;
	int max=0x1ff;

	RT_TRACE(COMP_PHY, "Dumping NIC register map");

	for(n=0;n<=max;)
	{
		printk( "\nD: %2x> ", n);
		for(i=0;i<16 && n<=max;i++,n++)
			printk("%2x ",read_nic_byte(dev,n));
	}
	printk("\n");
}

/****************************************************************************
      ------------------------------HW STUFF---------------------------
*****************************************************************************/

#if 0
void rtl8192_irq_enable(struct net_device *dev)
{
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	//priv->irq_enabled = 1;
/*
	write_nic_word(dev,INTA_MASK,INTA_RXOK | INTA_RXDESCERR | INTA_RXOVERFLOW |\
	INTA_TXOVERFLOW | INTA_HIPRIORITYDESCERR | INTA_HIPRIORITYDESCOK |\
	INTA_NORMPRIORITYDESCERR | INTA_NORMPRIORITYDESCOK |\
	INTA_LOWPRIORITYDESCERR | INTA_LOWPRIORITYDESCOK | INTA_TIMEOUT);
*/
	write_nic_word(dev,INTA_MASK, priv->irq_mask);
}


void rtl8192_irq_disable(struct net_device *dev)
{
//	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);

	write_nic_word(dev,INTA_MASK,0);
	force_pci_posting(dev);
//	priv->irq_enabled = 0;
}
#endif

void rtl8192_set_mode(struct net_device *dev,int mode)
{
	u8 ecmd;
	ecmd=read_nic_byte(dev, EPROM_CMD);
	ecmd=ecmd &~ EPROM_CMD_OPERATING_MODE_MASK;
	ecmd=ecmd | (mode<<EPROM_CMD_OPERATING_MODE_SHIFT);
	ecmd=ecmd &~ (1<<EPROM_CS_SHIFT);
	ecmd=ecmd &~ (1<<EPROM_CK_SHIFT);
	write_nic_byte(dev, EPROM_CMD, ecmd);
}


void rtl8192_update_msr(struct net_device *dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	u8 msr;

	msr  = read_nic_byte(dev, MSR);
	msr &= ~ MSR_LINK_MASK;

	/* do not change in link_state != WLAN_LINK_ASSOCIATED.
	 * msr must be updated if the state is ASSOCIATING.
	 * this is intentional and make sense for ad-hoc and
	 * master (see the create BSS/IBSS func)
	 */
	if (priv->ieee80211->state == IEEE80211_LINKED){

		if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
			msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT);
		else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
			msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT);
		else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
			msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT);

	}else
		msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT);

	write_nic_byte(dev, MSR, msr);
}

void rtl8192_set_chan(struct net_device *dev,short ch)
{
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
//	u32 tx;
	RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __FUNCTION__, ch);
	priv->chan=ch;
	#if 0
	if(priv->ieee80211->iw_mode == IW_MODE_ADHOC ||
		priv->ieee80211->iw_mode == IW_MODE_MASTER){

			priv->ieee80211->link_state = WLAN_LINK_ASSOCIATED;
			priv->ieee80211->master_chan = ch;
			rtl8192_update_beacon_ch(dev);
		}
	#endif

	/* this hack should avoid frame TX during channel setting*/


//	tx = read_nic_dword(dev,TX_CONF);
//	tx &= ~TX_LOOPBACK_MASK;

#ifndef LOOP_TEST
//	write_nic_dword(dev,TX_CONF, tx |( TX_LOOPBACK_MAC<<TX_LOOPBACK_SHIFT));

	//need to implement rf set channel here WB

	if (priv->rf_set_chan)
	priv->rf_set_chan(dev,priv->chan);
	mdelay(10);
//	write_nic_dword(dev,TX_CONF,tx | (TX_LOOPBACK_NONE<<TX_LOOPBACK_SHIFT));
#endif
}

#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
static void rtl8192_rx_isr(struct urb *urb, struct pt_regs *regs);
#else
static void rtl8192_rx_isr(struct urb *urb);
#endif
//static void rtl8192_rx_isr(struct urb *rx_urb);

u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
{

#ifdef USB_RX_AGGREGATION_SUPPORT
	if (pstats->bisrxaggrsubframe)
		return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize
			+ pstats->RxBufShift + 8);
	else
#endif
		return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize
				+ pstats->RxBufShift);

}
static int rtl8192_rx_initiate(struct net_device*dev)
{
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	struct urb *entry;
	struct sk_buff *skb;
	struct rtl8192_rx_info *info;

	/* nomal packet rx procedure */
	while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
		skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
		if (!skb)
			break;
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
		entry = usb_alloc_urb(0, GFP_KERNEL);
#else
		entry = usb_alloc_urb(0);
#endif
		if (!entry) {
			kfree_skb(skb);
			break;
		}
//		printk("nomal packet IN request!\n");
		usb_fill_bulk_urb(entry, priv->udev,
				  usb_rcvbulkpipe(priv->udev, 3), skb_tail_pointer(skb),
				  RX_URB_SIZE, rtl8192_rx_isr, skb);
		info = (struct rtl8192_rx_info *) skb->cb;
		info->urb = entry;
		info->dev = dev;
		info->out_pipe = 3; //denote rx normal packet queue
		skb_queue_tail(&priv->rx_queue, skb);
		usb_submit_urb(entry, GFP_KERNEL);
	}

	/* command packet rx procedure */
	while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
//		printk("command packet IN request!\n");
		skb = __dev_alloc_skb(RX_URB_SIZE ,GFP_KERNEL);
		if (!skb)
			break;
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
		entry = usb_alloc_urb(0, GFP_KERNEL);
#else
		entry = usb_alloc_urb(0);
#endif
		if (!entry) {
			kfree_skb(skb);
			break;
		}
		usb_fill_bulk_urb(entry, priv->udev,
				  usb_rcvbulkpipe(priv->udev, 9), skb_tail_pointer(skb),
				  RX_URB_SIZE, rtl8192_rx_isr, skb);
		info = (struct rtl8192_rx_info *) skb->cb;
		info->urb = entry;
		info->dev = dev;
		   info->out_pipe = 9; //denote rx cmd packet queue
		skb_queue_tail(&priv->rx_queue, skb);
		usb_submit_urb(entry, GFP_KERNEL);
	}

	return 0;
}

void rtl8192_set_rxconf(struct net_device *dev)
{
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	u32 rxconf;

	rxconf=read_nic_dword(dev,RCR);
	rxconf = rxconf &~ MAC_FILTER_MASK;
	rxconf = rxconf | RCR_AMF;
	rxconf = rxconf | RCR_ADF;
	rxconf = rxconf | RCR_AB;
	rxconf = rxconf | RCR_AM;
	//rxconf = rxconf | RCR_ACF;

	if (dev->flags & IFF_PROMISC) {DMESG ("NIC in promisc mode");}

	if(priv->ieee80211->iw_mode == IW_MODE_MONITOR || \
	   dev->flags & IFF_PROMISC){
		rxconf = rxconf | RCR_AAP;
	} /*else if(priv->ieee80211->iw_mode == IW_MODE_MASTER){
		rxconf = rxconf | (1<<ACCEPT_ALLMAC_FRAME_SHIFT);
		rxconf = rxconf | (1<<RX_CHECK_BSSID_SHIFT);
	}*/else{
		rxconf = rxconf | RCR_APM;
		rxconf = rxconf | RCR_CBSSID;
	}


	if(priv->ieee80211->iw_mode == IW_MODE_MONITOR){
		rxconf = rxconf | RCR_AICV;
		rxconf = rxconf | RCR_APWRMGT;
	}

	if( priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
		rxconf = rxconf | RCR_ACRC32;


	rxconf = rxconf &~ RX_FIFO_THRESHOLD_MASK;
	rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE<<RX_FIFO_THRESHOLD_SHIFT);
	rxconf = rxconf &~ MAX_RX_DMA_MASK;
	rxconf = rxconf | ((u32)7<<RCR_MXDMA_OFFSET);

//	rxconf = rxconf | (1<<RX_AUTORESETPHY_SHIFT);
	rxconf = rxconf | RCR_ONLYERLPKT;

//	rxconf = rxconf &~ RCR_CS_MASK;
//	rxconf = rxconf | (1<<RCR_CS_SHIFT);

	write_nic_dword(dev, RCR, rxconf);

	#ifdef DEBUG_RX
	DMESG("rxconf: %x %x",rxconf ,read_nic_dword(dev,RCR));
	#endif
}
//wait to be removed
void rtl8192_rx_enable(struct net_device *dev)
{
	//u8 cmd;

	//struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);

	rtl8192_rx_initiate(dev);

//	rtl8192_set_rxconf(dev);
#if 0
	if(NIC_8187 == priv->card_8187) {
		cmd=read_nic_byte(dev,CMD);
		write_nic_byte(dev,CMD,cmd | (1<<CMD_RX_ENABLE_SHIFT));
	}
	else {
		//write_nic_dword(dev, RX_CONF, priv->ReceiveConfig);
	}
#endif
}


void rtl8192_tx_enable(struct net_device *dev)
{
#if 0
	u8 cmd;
	u8 byte;
	u32 txconf;
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	//test loopback
	//	priv->TransmitConfig |= (TX_LOOPBACK_BASEBAND<<TX_LOOPBACK_SHIFT);
	if(NIC_8187B == priv->card_8187){
		write_nic_dword(dev, TX_CONF, priv->TransmitConfig);
		byte = read_nic_byte(dev, MSR);
		byte |= MSR_LINK_ENEDCA;
		write_nic_byte(dev, MSR, byte);
	} else {
		byte = read_nic_byte(dev,CW_CONF);
		byte &= ~(1<<CW_CONF_PERPACKET_CW_SHIFT);
		byte &= ~(1<<CW_CONF_PERPACKET_RETRY_SHIFT);
		write_nic_byte(dev, CW_CONF, byte);

		byte = read_nic_byte(dev, TX_AGC_CTL);
		byte &= ~(1<<TX_AGC_CTL_PERPACKET_GAIN_SHIFT);
		byte &= ~(1<<TX_AGC_CTL_PERPACKET_ANTSEL_SHIFT);
		byte &= ~(1<<TX_AGC_CTL_FEEDBACK_ANT);
		write_nic_byte(dev, TX_AGC_CTL, byte);

		txconf= read_nic_dword(dev,TX_CONF);


		txconf = txconf &~ TX_LOOPBACK_MASK;

#ifndef LOOP_TEST
		txconf = txconf | (TX_LOOPBACK_NONE<<TX_LOOPBACK_SHIFT);
#else
		txconf = txconf | (TX_LOOPBACK_BASEBAND<<TX_LOOPBACK_SHIFT);
#endif
		txconf = txconf &~ TCR_SRL_MASK;
		txconf = txconf &~ TCR_LRL_MASK;

		txconf = txconf | (priv->retry_data<<TX_LRLRETRY_SHIFT); // long
		txconf = txconf | (priv->retry_rts<<TX_SRLRETRY_SHIFT); // short

		txconf = txconf &~ (1<<TX_NOCRC_SHIFT);

		txconf = txconf &~ TCR_MXDMA_MASK;
		txconf = txconf | (TCR_MXDMA_2048<<TCR_MXDMA_SHIFT);

		txconf = txconf | TCR_DISReqQsize;
		txconf = txconf | TCR_DISCW;
		txconf = txconf &~ TCR_SWPLCPLEN;

		txconf=txconf | (1<<TX_NOICV_SHIFT);

		write_nic_dword(dev,TX_CONF,txconf);

#ifdef DEBUG_TX
		DMESG("txconf: %x %x",txconf,read_nic_dword(dev,TX_CONF));
#endif

		cmd=read_nic_byte(dev,CMD);
		write_nic_byte(dev,CMD,cmd | (1<<CMD_TX_ENABLE_SHIFT));
	}
#endif
}

#if 0
void rtl8192_beacon_tx_enable(struct net_device *dev)
{
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	priv->dma_poll_mask &=~(1<<TX_DMA_STOP_BEACON_SHIFT);
	rtl8192_set_mode(dev,EPROM_CMD_CONFIG);
	write_nic_byte(dev,TX_DMA_POLLING,priv->dma_poll_mask);
	rtl8192_set_mode(dev,EPROM_CMD_NORMAL);
}


void rtl8192_
_disable(struct net_device *dev)
{
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	priv->dma_poll_mask |= (1<<TX_DMA_STOP_BEACON_SHIFT);
	rtl8192_set_mode(dev,EPROM_CMD_CONFIG);
	write_nic_byte(dev,TX_DMA_POLLING,priv->dma_poll_mask);
	rtl8192_set_mode(dev,EPROM_CMD_NORMAL);
}

#endif


void rtl8192_rtx_disable(struct net_device *dev)
{
	u8 cmd;
	struct r8192_priv *priv = ieee80211_priv(dev);
	struct sk_buff *skb;
	struct rtl8192_rx_info *info;

	cmd=read_nic_byte(dev,CMDR);
	write_nic_byte(dev, CMDR, cmd &~ \
		(CR_TE|CR_RE));
	force_pci_posting(dev);
	mdelay(10);

	while ((skb = __skb_dequeue(&priv->rx_queue))) {
		info = (struct rtl8192_rx_info *) skb->cb;
		if (!info->urb)
			continue;

		usb_kill_urb(info->urb);
		kfree_skb(skb);
	}

	if (skb_queue_len(&priv->skb_queue)) {
		printk(KERN_WARNING "skb_queue not empty\n");
	}

	skb_queue_purge(&priv->skb_queue);
	return;
}


int alloc_tx_beacon_desc_ring(struct net_device *dev, int count)
{
	#if 0
	int i;
	u32 *tmp;
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);

	priv->txbeaconring = (u32*)pci_alloc_consistent(priv->pdev,
					  sizeof(u32)*8*count,
					  &priv->txbeaconringdma);
	if (!priv->txbeaconring) return -1;
	for (tmp=priv->txbeaconring,i=0;i<count;i++){
		*tmp = *tmp &~ (1<<31); // descriptor empty, owned by the drv
		/*
		*(tmp+2) = (u32)dma_tmp;
		*(tmp+3) = bufsize;
		*/
		if(i+1<count)
			*(tmp+4) = (u32)priv->txbeaconringdma+((i+1)*8*4);
		else
			*(tmp+4) = (u32)priv->txbeaconringdma;

		tmp=tmp+8;
	}
	#endif
	return 0;
}

#if 0
void rtl8192_reset(struct net_device *dev)
{

	//struct r8192_priv *priv = ieee80211_priv(dev);
	//u8 cr;


	/* make sure the analog power is on before
	 * reset, otherwise reset may fail
	 */
#if 0
	if(NIC_8187 == priv->card_8187) {
		rtl8192_set_anaparam(dev, RTL8225_ANAPARAM_ON);
		rtl8185_set_anaparam2(dev, RTL8225_ANAPARAM2_ON);
		rtl8192_irq_disable(dev);
		mdelay(200);
		write_nic_byte_E(dev,0x18,0x10);
		write_nic_byte_E(dev,0x18,0x11);
		write_nic_byte_E(dev,0x18,0x00);
		mdelay(200);
	}
#endif
	printk("=====>reset?\n");
#if 0
	cr=read_nic_byte(dev,CMD);
	cr = cr & 2;
	cr = cr | (1<<CMD_RST_SHIFT);
	write_nic_byte(dev,CMD,cr);

	force_pci_posting(dev);

	mdelay(200);

	if(read_nic_byte(dev,CMD) & (1<<CMD_RST_SHIFT))
		RT_TRACE(COMP_ERR, "Card reset timeout!\n");
	else
		RT_TRACE(COMP_DOWN, "Card successfully reset\n");
#endif
#if 0
	if(NIC_8187 == priv->card_8187) {

		printk("This is RTL8187 Reset procedure\n");
		rtl8192_set_mode(dev,EPROM_CMD_LOAD);
		force_pci_posting(dev);
		mdelay(200);

		/* after the eeprom load cycle, make sure we have
		 * correct anaparams
		 */
		rtl8192_set_anaparam(dev, RTL8225_ANAPARAM_ON);
		rtl8185_set_anaparam2(dev, RTL8225_ANAPARAM2_ON);
	}
	else
#endif
		printk("This is RTL8187B Reset procedure\n");

}
#endif
inline u16 ieeerate2rtlrate(int rate)
{
	switch(rate){
	case 10:
	return 0;
	case 20:
	return 1;
	case 55:
	return 2;
	case 110:
	return 3;
	case 60:
	return 4;
	case 90:
	return 5;
	case 120:
	return 6;
	case 180:
	return 7;
	case 240:
	return 8;
	case 360:
	return 9;
	case 480:
	return 10;
	case 540:
	return 11;
	default:
	return 3;

	}
}
static u16 rtl_rate[] = {10,20,55,110,60,90,120,180,240,360,480,540};
inline u16 rtl8192_rate2rate(short rate)
{
	if (rate >11) return 0;
	return rtl_rate[rate];
}


/* The protype of rx_isr has changed since one verion of Linux Kernel */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
static void rtl8192_rx_isr(struct urb *urb, struct pt_regs *regs)
#else
static void rtl8192_rx_isr(struct urb *urb)
#endif
{
	struct sk_buff *skb = (struct sk_buff *) urb->context;
	struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
	struct net_device *dev = info->dev;
	struct r8192_priv *priv = ieee80211_priv(dev);
	int out_pipe = info->out_pipe;
	int err;
	if(!priv->up)
		return;
	if (unlikely(urb->status)) {
		info->urb = NULL;
		priv->stats.rxstaterr++;
		priv->ieee80211->stats.rx_errors++;
		usb_free_urb(urb);
	//	printk("%s():rx status err\n",__FUNCTION__);
		return;
	}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,14)
	skb_unlink(skb, &priv->rx_queue);
#else
	__skb_unlink(skb,&priv->rx_queue);
#endif
	skb_put(skb, urb->actual_length);

	skb_queue_tail(&priv->skb_queue, skb);
	tasklet_schedule(&priv->irq_rx_tasklet);

	skb = dev_alloc_skb(RX_URB_SIZE);
	if (unlikely(!skb)) {
		usb_free_urb(urb);
		printk("%s():can,t alloc skb\n",__FUNCTION__);
		/* TODO check rx queue length and refill *somewhere* */
		return;
	}

	usb_fill_bulk_urb(urb, priv->udev,
			usb_rcvbulkpipe(priv->udev, out_pipe), skb_tail_pointer(skb),
			RX_URB_SIZE, rtl8192_rx_isr, skb);

	info = (struct rtl8192_rx_info *) skb->cb;
	info->urb = urb;
	info->dev = dev;
	info->out_pipe = out_pipe;

	urb->transfer_buffer = skb_tail_pointer(skb);
	urb->context = skb;
	skb_queue_tail(&priv->rx_queue, skb);
	err = usb_submit_urb(urb, GFP_ATOMIC);
	if(err && err != EPERM)
		printk("can not submit rxurb, err is %x,URB status is %x\n",err,urb->status);
}

u32
rtl819xusb_rx_command_packet(
	struct net_device *dev,
	struct ieee80211_rx_stats *pstats
	)
{
	u32	status;

	//RT_TRACE(COMP_RECV, DBG_TRACE, ("---> RxCommandPacketHandle819xUsb()\n"));

	status = cmpk_message_handle_rx(dev, pstats);
	if (status)
	{
		DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
	}
	else
	{
		//RT_TRACE(COMP_RECV, DBG_TRACE, ("RxCommandPacketHandle819xUsb: It is not a command packet\n"));
	}

	//RT_TRACE(COMP_RECV, DBG_TRACE, ("<--- RxCommandPacketHandle819xUsb()\n"));
	return status;
}

#if 0
void rtl8192_tx_queues_stop(struct net_device *dev)
{
	//struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	u8 dma_poll_mask = (1<<TX_DMA_STOP_LOWPRIORITY_SHIFT);
	dma_poll_mask |= (1<<TX_DMA_STOP_HIPRIORITY_SHIFT);
	dma_poll_mask |= (1<<TX_DMA_STOP_NORMPRIORITY_SHIFT);
	dma_poll_mask |= (1<<TX_DMA_STOP_BEACON_SHIFT);

	rtl8192_set_mode(dev,EPROM_CMD_CONFIG);
	write_nic_byte(dev,TX_DMA_POLLING,dma_poll_mask);
	rtl8192_set_mode(dev,EPROM_CMD_NORMAL);
}
#endif

void rtl8192_data_hard_stop(struct net_device *dev)
{
	//FIXME !!
	#if 0
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	priv->dma_poll_mask |= (1<<TX_DMA_STOP_LOWPRIORITY_SHIFT);
	rtl8192_set_mode(dev,EPROM_CMD_CONFIG);
	write_nic_byte(dev,TX_DMA_POLLING,priv->dma_poll_mask);
	rtl8192_set_mode(dev,EPROM_CMD_NORMAL);
	#endif
}


void rtl8192_data_hard_resume(struct net_device *dev)
{
	// FIXME !!
	#if 0
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	priv->dma_poll_mask &= ~(1<<TX_DMA_STOP_LOWPRIORITY_SHIFT);
	rtl8192_set_mode(dev,EPROM_CMD_CONFIG);
	write_nic_byte(dev,TX_DMA_POLLING,priv->dma_poll_mask);
	rtl8192_set_mode(dev,EPROM_CMD_NORMAL);
	#endif
}

/* this function TX data frames when the ieee80211 stack requires this.
 * It checks also if we need to stop the ieee tx queue, eventually do it
 */
void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, int rate)
{
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	int ret;
	unsigned long flags;
	cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
	u8 queue_index = tcb_desc->queue_index;

	/* shall not be referred by command packet */
	assert(queue_index != TXCMD_QUEUE);

	spin_lock_irqsave(&priv->tx_lock,flags);

	memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
//	tcb_desc->RATRIndex = 7;
//	tcb_desc->bTxDisableRateFallBack = 1;
//	tcb_desc->bTxUseDriverAssingedRate = 1;
	tcb_desc->bTxEnableFwCalcDur = 1;
	skb_push(skb, priv->ieee80211->tx_headroom);
	ret = rtl8192_tx(dev, skb);

	//priv->ieee80211->stats.tx_bytes+=(skb->len - priv->ieee80211->tx_headroom);
	//priv->ieee80211->stats.tx_packets++;

	spin_unlock_irqrestore(&priv->tx_lock,flags);

//	return ret;
	return;
}

/* This is a rough attempt to TX a frame
 * This is called by the ieee 80211 stack to TX management frames.
 * If the ring is full packet are dropped (for data frame the queue
 * is stopped before this can happen).
 */
int rtl8192_hard_start_xmit(struct sk_buff *skb,struct net_device *dev)
{
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	int ret;
	unsigned long flags;
	cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
	u8 queue_index = tcb_desc->queue_index;


	spin_lock_irqsave(&priv->tx_lock,flags);

	memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
	if(queue_index == TXCMD_QUEUE) {
		skb_push(skb, USB_HWDESC_HEADER_LEN);
		rtl819xU_tx_cmd(dev, skb);
		ret = 1;
		spin_unlock_irqrestore(&priv->tx_lock,flags);
		return ret;
	} else {
		skb_push(skb, priv->ieee80211->tx_headroom);
		ret = rtl8192_tx(dev, skb);
	}

	spin_unlock_irqrestore(&priv->tx_lock,flags);

	return ret;
}


void rtl8192_try_wake_queue(struct net_device *dev, int pri);

#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
u16 DrvAggr_PaddingAdd(struct net_device *dev, struct sk_buff *skb)
{
	u16     PaddingNum =  256 - ((skb->len + TX_PACKET_DRVAGGR_SUBFRAME_SHIFT_BYTES) % 256);
	return  (PaddingNum&0xff);
}

u8 MRateToHwRate8190Pci(u8 rate);
u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc);
u8 MapHwQueueToFirmwareQueue(u8 QueueID);
struct sk_buff *DrvAggr_Aggregation(struct net_device *dev, struct ieee80211_drv_agg_txb *pSendList)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
	struct ieee80211_device *ieee = netdev_priv(dev);
#else
	struct ieee80211_device *ieee = (struct ieee80211_device *)dev->priv;
#endif
	struct r8192_priv *priv = ieee80211_priv(dev);
	cb_desc 	*tcb_desc = NULL;
	u8 		i;
	u32		TotalLength;
	struct sk_buff	*skb;
	struct sk_buff  *agg_skb;
	tx_desc_819x_usb_aggr_subframe *tx_agg_desc = NULL;
	tx_fwinfo_819x_usb	       *tx_fwinfo = NULL;

	//
	// Local variable initialization.
	//
	/* first skb initialization */
	skb = pSendList->tx_agg_frames[0];
	TotalLength = skb->len;

	/* Get the total aggregation length including the padding space and
	 * sub frame header.
	 */
	for(i = 1; i < pSendList->nr_drv_agg_frames; i++) {
		TotalLength += DrvAggr_PaddingAdd(dev, skb);
		skb = pSendList->tx_agg_frames[i];
		TotalLength += (skb->len + TX_PACKET_DRVAGGR_SUBFRAME_SHIFT_BYTES);
	}

	/* allocate skb to contain the aggregated packets */
	agg_skb = dev_alloc_skb(TotalLength + ieee->tx_headroom);
	memset(agg_skb->data, 0, agg_skb->len);
	skb_reserve(agg_skb, ieee->tx_headroom);

//	RT_DEBUG_DATA(COMP_SEND, skb->cb, sizeof(skb->cb));
	/* reserve info for first subframe Tx descriptor to be set in the tx function */
	skb = pSendList->tx_agg_frames[0];
	tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
	tcb_desc->drv_agg_enable = 1;
	tcb_desc->pkt_size = skb->len;
	tcb_desc->DrvAggrNum = pSendList->nr_drv_agg_frames;
	printk("DrvAggNum = %d\n", tcb_desc->DrvAggrNum);
//	RT_DEBUG_DATA(COMP_SEND, skb->cb, sizeof(skb->cb));
//	printk("========>skb->data ======> \n");
//	RT_DEBUG_DATA(COMP_SEND, skb->data, skb->len);
	memcpy(agg_skb->cb, skb->cb, sizeof(skb->cb));
	memcpy(skb_put(agg_skb,skb->len),skb->data,skb->len);

	for(i = 1; i < pSendList->nr_drv_agg_frames; i++) {
		/* push the next sub frame to be 256 byte aline */
		skb_put(agg_skb,DrvAggr_PaddingAdd(dev,skb));

		/* Subframe drv Tx descriptor and firmware info setting */
		skb = pSendList->tx_agg_frames[i];
		tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
		tx_agg_desc = (tx_desc_819x_usb_aggr_subframe *)agg_skb->tail;
		tx_fwinfo = (tx_fwinfo_819x_usb *)(agg_skb->tail + sizeof(tx_desc_819x_usb_aggr_subframe));

		memset(tx_fwinfo,0,sizeof(tx_fwinfo_819x_usb));
		/* DWORD 0 */
		tx_fwinfo->TxHT = (tcb_desc->data_rate&0x80)?1:0;
		tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
		tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
		tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate, tcb_desc);
		if(tcb_desc->bAMPDUEnable) {//AMPDU enabled
			tx_fwinfo->AllowAggregation = 1;
			/* DWORD 1 */
			tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
			tx_fwinfo->RxAMD = tcb_desc->ampdu_density&0x07;//ampdudensity
		} else {
			tx_fwinfo->AllowAggregation = 0;
			/* DWORD 1 */
			tx_fwinfo->RxMF = 0;
			tx_fwinfo->RxAMD = 0;
		}

		/* Protection mode related */
		tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable)?1:0;
		tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable)?1:0;
		tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC)?1:0;
		tx_fwinfo->RtsHT = (tcb_desc->rts_rate&0x80)?1:0;
		tx_fwinfo->RtsRate =  MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
		tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT==0)?(tcb_desc->RTSSC):0;
		tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT==1)?((tcb_desc->bRTSBW)?1:0):0;
		tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT==0)?(tcb_desc->bRTSUseShortPreamble?1:0):\
				      (tcb_desc->bRTSUseShortGI?1:0);

		/* Set Bandwidth and sub-channel settings. */
		if(priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40)
		{
			if(tcb_desc->bPacketBW) {
				tx_fwinfo->TxBandwidth = 1;
				tx_fwinfo->TxSubCarrier = 0;    //By SD3's Jerry suggestion, use duplicated mode
			} else {
				tx_fwinfo->TxBandwidth = 0;
				tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
			}
		} else {
			tx_fwinfo->TxBandwidth = 0;
			tx_fwinfo->TxSubCarrier = 0;
		}

		/* Fill Tx descriptor */
		memset(tx_agg_desc, 0, sizeof(tx_desc_819x_usb_aggr_subframe));
		/* DWORD 0 */
		//tx_agg_desc->LINIP = 0;
		//tx_agg_desc->CmdInit = 1;
		tx_agg_desc->Offset =  sizeof(tx_fwinfo_819x_usb) + 8;
		/* already raw data, need not to substract header length */
		tx_agg_desc->PktSize = skb->len & 0xffff;

		/*DWORD 1*/
		tx_agg_desc->SecCAMID= 0;
		tx_agg_desc->RATid = tcb_desc->RATRIndex;
#if 0
		/* Fill security related */
		if( pTcb->bEncrypt && !Adapter->MgntInfo.SecurityInfo.SWTxEncryptFlag)
		{
			EncAlg = SecGetEncryptionOverhead(
					Adapter,
					&EncryptionMPDUHeadOverhead,
					&EncryptionMPDUTailOverhead,
					NULL,
					NULL,
					FALSE,
					FALSE);
			//2004/07/22, kcwu, EncryptionMPDUHeadOverhead has been added in previous code
			//MPDUOverhead = EncryptionMPDUHeadOverhead + EncryptionMPDUTailOverhead;
			MPDUOverhead = EncryptionMPDUTailOverhead;
			tx_agg_desc->NoEnc = 0;
			RT_TRACE(COMP_SEC, DBG_LOUD, ("******We in the loop SecCAMID is %d SecDescAssign is %d The Sec is %d********\n",tx_agg_desc->SecCAMID,tx_agg_desc->SecDescAssign,EncAlg));
			//CamDumpAll(Adapter);
		}
		else
#endif
		{
			//MPDUOverhead = 0;
			tx_agg_desc->NoEnc = 1;
		}
#if 0
		switch(EncAlg){
			case NO_Encryption:
				tx_agg_desc->SecType = 0x0;
				break;
			case WEP40_Encryption:
			case WEP104_Encryption:
				tx_agg_desc->SecType = 0x1;
				break;
			case TKIP_Encryption:
				tx_agg_desc->SecType = 0x2;
				break;
			case AESCCMP_Encryption:
				tx_agg_desc->SecType = 0x3;
				break;
			default:
				tx_agg_desc->SecType = 0x0;
				break;
		}
#else
		tx_agg_desc->SecType = 0x0;
#endif

		if (tcb_desc->bHwSec) {
			switch (priv->ieee80211->pairwise_key_type)
			{
				case KEY_TYPE_WEP40:
				case KEY_TYPE_WEP104:
					tx_agg_desc->SecType = 0x1;
					tx_agg_desc->NoEnc = 0;
					break;
				case KEY_TYPE_TKIP:
					tx_agg_desc->SecType = 0x2;
					tx_agg_desc->NoEnc = 0;
					break;
				case KEY_TYPE_CCMP:
					tx_agg_desc->SecType = 0x3;
					tx_agg_desc->NoEnc = 0;
					break;
				case KEY_TYPE_NA:
					tx_agg_desc->SecType = 0x0;
					tx_agg_desc->NoEnc = 1;
					break;
			}
		}

		tx_agg_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
		tx_agg_desc->TxFWInfoSize =  sizeof(tx_fwinfo_819x_usb);

		tx_agg_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
		tx_agg_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;

		tx_agg_desc->OWN = 1;

		//DWORD 2
		/* According windows driver, it seems that there no need to fill this field */
		//tx_agg_desc->TxBufferSize= (u32)(skb->len - USB_HWDESC_HEADER_LEN);

		/* to fill next packet */
		skb_put(agg_skb,TX_PACKET_DRVAGGR_SUBFRAME_SHIFT_BYTES);
		memcpy(skb_put(agg_skb,skb->len),skb->data,skb->len);
	}

	for(i = 0; i < pSendList->nr_drv_agg_frames; i++) {
		dev_kfree_skb_any(pSendList->tx_agg_frames[i]);
	}

	return agg_skb;
}

/* NOTE:
	This function return a list of PTCB which is proper to be aggregate with the input TCB.
	If no proper TCB is found to do aggregation, SendList will only contain the input TCB.
*/
u8 DrvAggr_GetAggregatibleList(struct net_device *dev, struct sk_buff *skb,
		struct ieee80211_drv_agg_txb *pSendList)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
	struct ieee80211_device *ieee = netdev_priv(dev);
#else
	struct ieee80211_device *ieee = (struct ieee80211_device *)dev->priv;
#endif
	PRT_HIGH_THROUGHPUT	pHTInfo = ieee->pHTInfo;
	u16		nMaxAggrNum = pHTInfo->UsbTxAggrNum;
	cb_desc 	*tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
	u8		QueueID = tcb_desc->queue_index;

	do {
		pSendList->tx_agg_frames[pSendList->nr_drv_agg_frames++] = skb;
		if(pSendList->nr_drv_agg_frames >= nMaxAggrNum) {
			break;
		}

	} while((skb = skb_dequeue(&ieee->skb_drv_aggQ[QueueID])));

	RT_TRACE(COMP_AMSDU, "DrvAggr_GetAggregatibleList, nAggrTcbNum = %d \n", pSendList->nr_drv_agg_frames);
	return pSendList->nr_drv_agg_frames;
}
#endif

#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
static void rtl8192_tx_isr(struct urb *tx_urb, struct pt_regs *reg)
#else
static void rtl8192_tx_isr(struct urb *tx_urb)
#endif
{
	struct sk_buff *skb = (struct sk_buff*)tx_urb->context;
	struct net_device *dev = NULL;
	struct r8192_priv *priv = NULL;
	cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
	u8  queue_index = tcb_desc->queue_index;
//	bool bToSend0Byte;
//	u16 BufLen = skb->len;

	memcpy(&dev,(struct net_device*)(skb->cb),sizeof(struct net_device*));
	priv = ieee80211_priv(dev);

	if(tcb_desc->queue_index != TXCMD_QUEUE) {
		if(tx_urb->status == 0) {
			dev->trans_start = jiffies;
			// As act as station mode, destion shall be  unicast address.
			//priv->ieee80211->stats.tx_bytes+=(skb->len - priv->ieee80211->tx_headroom);
			//priv->ieee80211->stats.tx_packets++;
			priv->stats.txoktotal++;
			priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
			priv->stats.txbytesunicast += (skb->len - priv->ieee80211->tx_headroom);
		} else {
			priv->ieee80211->stats.tx_errors++;
			//priv->stats.txmanageerr++;
			/* TODO */
		}
	}

	/* free skb and tx_urb */
	if(skb != NULL) {
		dev_kfree_skb_any(skb);
		usb_free_urb(tx_urb);
		atomic_dec(&priv->tx_pending[queue_index]);
	}

#if 0  //we need to send zero byte packet just after 512 byte(64 byte)packet is transmitted, or we will halt. It will greatly reduced available page in FW, and ruin our throughput. WB 2008.08.27
	if(BufLen > 0 && ((BufLen % 512 == 0)||(BufLen % 64 == 0))) {
		bToSend0Byte = true;
	}

	bToSend0Byte = false;
	//
	// Note that, we at most handle 1 MPDU to send here, either
	// fragment or MPDU in wait queue.
	//
	if(!bToSend0Byte)
#endif
	{
		//
		// Handle HW Beacon:
		// We had transfer our beacon frame to host controler at this moment.
		//
#if 0
		if(tcb_desc->tx_queue == BEACON_QUEUE)
		{
			priv->bSendingBeacon = FALSE;
		}
#endif
		//
		// Caution:
		// Handling the wait queue of command packets.
		// For Tx command packets, we must not do TCB fragment because it is not handled right now.
		// We must cut the packets to match the size of TX_CMD_PKT before we send it.
		//

		/* Handle MPDU in wait queue. */
		if(queue_index != BEACON_QUEUE) {
			/* Don't send data frame during scanning.*/
			if((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0)&&\
					(!(priv->ieee80211->queue_stop))) {
				if(NULL != (skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]))))
					priv->ieee80211->softmac_hard_start_xmit(skb, dev);

				return; //modified by david to avoid further processing AMSDU
			}
#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
			else if ((skb_queue_len(&priv->ieee80211->skb_drv_aggQ[queue_index])!= 0)&&\
				(!(priv->ieee80211->queue_stop))) {
				// Tx Driver Aggregation process
				/* The driver will aggregation the packets according to the following stets
				 * 1. check whether there's tx irq available, for it's a completion return
				 *    function, it should contain enough tx irq;
				 * 2. check pakcet type;
				 * 3. intialize sendlist, check whether the to-be send packet no greater than 1
				 * 4. aggregation the packets, and fill firmware info and tx desc to it, etc.
				 * 5. check whehter the packet could be sent, otherwise just insert to wait head
				 * */
				skb = skb_dequeue(&priv->ieee80211->skb_drv_aggQ[queue_index]);
				if(!check_nic_enough_desc(dev, queue_index)) {
					skb_queue_head(&(priv->ieee80211->skb_drv_aggQ[queue_index]), skb);
					return;
				}

				{
					/*TODO*/
					/*
					u8* pHeader = skb->data;

					if(IsMgntQosData(pHeader) ||
					    IsMgntQData_Ack(pHeader) ||
					    IsMgntQData_Poll(pHeader) ||
					    IsMgntQData_Poll_Ack(pHeader)
					  )
					*/
					{
						struct ieee80211_drv_agg_txb SendList;

						memset(&SendList, 0, sizeof(struct ieee80211_drv_agg_txb));
						if(DrvAggr_GetAggregatibleList(dev, skb, &SendList) > 1) {
							skb = DrvAggr_Aggregation(dev, &SendList);

#if 0
						printk("=============>to send aggregated packet!\n");
						RT_DEBUG_DATA(COMP_SEND, skb->cb, sizeof(skb->cb));
						printk("\n=================skb->len = %d\n", skb->len);
						RT_DEBUG_DATA(COMP_SEND, skb->data, skb->len);
#endif
						}
					}
					priv->ieee80211->softmac_hard_start_xmit(skb, dev);
				}
			}
#endif
		}
	}

#if 0
	else
	{
		RT_TRACE( COMP_SEND,"HalUsbOutComplete(%d): bToSend0Byte.\n", PipeIndex);

		//
		// In this case, we don't return skb now.
		// It will be returned when the 0-byte request completed.
		//

		//
		// Bulk out an 0-byte padding transfer.
		//
		HalUsbOut0Byte(pAdapter, PipeIndex, skb);
	}

#endif
}

void rtl8192_beacon_stop(struct net_device *dev)
{
	u8 msr, msrm, msr2;
	struct r8192_priv *priv = ieee80211_priv(dev);

	msr  = read_nic_byte(dev, MSR);
	msrm = msr & MSR_LINK_MASK;
	msr2 = msr & ~MSR_LINK_MASK;

	if(NIC_8192U == priv->card_8192) {
		usb_kill_urb(priv->rx_urb[MAX_RX_URB]);
	}
	if ((msrm == (MSR_LINK_ADHOC<<MSR_LINK_SHIFT) ||
		(msrm == (MSR_LINK_MASTER<<MSR_LINK_SHIFT)))){
		write_nic_byte(dev, MSR, msr2 | MSR_LINK_NONE);
		write_nic_byte(dev, MSR, msr);
	}
}

void rtl8192_config_rate(struct net_device* dev, u16* rate_config)
{
	 struct r8192_priv *priv = ieee80211_priv(dev);
	 struct ieee80211_network *net;
	 u8 i=0, basic_rate = 0;
	 net = & priv->ieee80211->current_network;

	 for (i=0; i<net->rates_len; i++)
	 {
		 basic_rate = net->rates[i]&0x7f;
		 switch(basic_rate)
		 {
			 case MGN_1M:	*rate_config |= RRSR_1M;	break;
			 case MGN_2M:	*rate_config |= RRSR_2M;	break;
			 case MGN_5_5M:	*rate_config |= RRSR_5_5M;	break;
			 case MGN_11M:	*rate_config |= RRSR_11M;	break;
			 case MGN_6M:	*rate_config |= RRSR_6M;	break;
			 case MGN_9M:	*rate_config |= RRSR_9M;	break;
			 case MGN_12M:	*rate_config |= RRSR_12M;	break;
			 case MGN_18M:	*rate_config |= RRSR_18M;	break;
			 case MGN_24M:	*rate_config |= RRSR_24M;	break;
			 case MGN_36M:	*rate_config |= RRSR_36M;	break;
			 case MGN_48M:	*rate_config |= RRSR_48M;	break;
			 case MGN_54M:	*rate_config |= RRSR_54M;	break;
		 }
	 }
	 for (i=0; i<net->rates_ex_len; i++)
	 {
		 basic_rate = net->rates_ex[i]&0x7f;
		 switch(basic_rate)
		 {
			 case MGN_1M:	*rate_config |= RRSR_1M;	break;
			 case MGN_2M:	*rate_config |= RRSR_2M;	break;
			 case MGN_5_5M:	*rate_config |= RRSR_5_5M;	break;
			 case MGN_11M:	*rate_config |= RRSR_11M;	break;
			 case MGN_6M:	*rate_config |= RRSR_6M;	break;
			 case MGN_9M:	*rate_config |= RRSR_9M;	break;
			 case MGN_12M:	*rate_config |= RRSR_12M;	break;
			 case MGN_18M:	*rate_config |= RRSR_18M;	break;
			 case MGN_24M:	*rate_config |= RRSR_24M;	break;
			 case MGN_36M:	*rate_config |= RRSR_36M;	break;
			 case MGN_48M:	*rate_config |= RRSR_48M;	break;
			 case MGN_54M:	*rate_config |= RRSR_54M;	break;
		 }
	 }
}


#define SHORT_SLOT_TIME 9
#define NON_SHORT_SLOT_TIME 20

void rtl8192_update_cap(struct net_device* dev, u16 cap)
{
	u32 tmp = 0;
	struct r8192_priv *priv = ieee80211_priv(dev);
	struct ieee80211_network *net = &priv->ieee80211->current_network;
	priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
	tmp = priv->basic_rate;
	if (priv->short_preamble)
		tmp |= BRSR_AckShortPmb;
	write_nic_dword(dev, RRSR, tmp);

	if (net->mode & (IEEE_G|IEEE_N_24G))
	{
		u8 slot_time = 0;
		if ((cap & WLAN_CAPABILITY_SHORT_SLOT)&&(!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
		{//short slot time
			slot_time = SHORT_SLOT_TIME;
		}
		else //long slot time
			slot_time = NON_SHORT_SLOT_TIME;
		priv->slot_time = slot_time;
		write_nic_byte(dev, SLOT_TIME, slot_time);
	}

}
void rtl8192_net_update(struct net_device *dev)
{

	struct r8192_priv *priv = ieee80211_priv(dev);
	struct ieee80211_network *net;
	u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
	u16 rate_config = 0;
	net = & priv->ieee80211->current_network;

	rtl8192_config_rate(dev, &rate_config);
	priv->basic_rate = rate_config &= 0x15f;

	write_nic_dword(dev,BSSIDR,((u32*)net->bssid)[0]);
	write_nic_word(dev,BSSIDR+4,((u16*)net->bssid)[2]);
	//for(i=0;i<ETH_ALEN;i++)
	//	write_nic_byte(dev,BSSID+i,net->bssid[i]);

	rtl8192_update_msr(dev);
//	rtl8192_update_cap(dev, net->capability);
	if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
	{
	write_nic_word(dev, ATIMWND, 2);
	write_nic_word(dev, BCN_DMATIME, 1023);
	write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
//	write_nic_word(dev, BcnIntTime, 100);
	write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
	write_nic_byte(dev, BCN_ERR_THRESH, 100);
		BcnTimeCfg |= (BcnCW<<BCN_TCFG_CW_SHIFT);
	// TODO: BcnIFS may required to be changed on ASIC
		BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;

	write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
	}



}

//temporary hw beacon is not used any more.
//open it when necessary
#if 1
void rtl819xusb_beacon_tx(struct net_device *dev,u16  tx_rate)
{

#if 0
	struct r8192_priv *priv = ieee80211_priv(dev);
	struct sk_buff *skb;
	int i = 0;
	//u8 cr;

	rtl8192_net_update(dev);

	skb = ieee80211_get_beacon(priv->ieee80211);
		if(!skb){
			DMESG("not enought memory for allocating beacon");
			return;
		}


		write_nic_byte(dev, BQREQ, read_nic_byte(dev, BQREQ) | (1<<7));

		i=0;
		//while(!read_nic_byte(dev,BQREQ & (1<<7)))
		while( (read_nic_byte(dev, BQREQ) & (1<<7)) == 0 )
		{
			msleep_interruptible_rtl(HZ/2);
			if(i++ > 10){
				DMESGW("get stuck to wait HW beacon to be ready");
				return ;
			}
		}
	skb->cb[0] = NORM_PRIORITY;
	skb->cb[1] = 0; //morefragment = 0
	skb->cb[2] = ieeerate2rtlrate(tx_rate);

	rtl8192_tx(dev,skb);

#endif
}
#endif
inline u8 rtl8192_IsWirelessBMode(u16 rate)
{
	if( ((rate <= 110) && (rate != 60) && (rate != 90)) || (rate == 220) )
		return 1;
	else return 0;
}

u16 N_DBPSOfRate(u16 DataRate);

u16 ComputeTxTime(
	u16		FrameLength,
	u16		DataRate,
	u8		bManagementFrame,
	u8		bShortPreamble
)
{
	u16	FrameTime;
	u16	N_DBPS;
	u16	Ceiling;

	if( rtl8192_IsWirelessBMode(DataRate) )
	{
		if( bManagementFrame || !bShortPreamble || DataRate == 10 )
		{	// long preamble
			FrameTime = (u16)(144+48+(FrameLength*8/(DataRate/10)));
		}
		else
		{	// Short preamble
			FrameTime = (u16)(72+24+(FrameLength*8/(DataRate/10)));
		}
		if( ( FrameLength*8 % (DataRate/10) ) != 0 ) //Get the Ceilling
				FrameTime ++;
	} else {	//802.11g DSSS-OFDM PLCP length field calculation.
		N_DBPS = N_DBPSOfRate(DataRate);
		Ceiling = (16 + 8*FrameLength + 6) / N_DBPS
				+ (((16 + 8*FrameLength + 6) % N_DBPS) ? 1 : 0);
		FrameTime = (u16)(16 + 4 + 4*Ceiling + 6);
	}
	return FrameTime;
}

u16 N_DBPSOfRate(u16 DataRate)
{
	 u16 N_DBPS = 24;

	 switch(DataRate)
	 {
	 case 60:
	  N_DBPS = 24;
	  break;

	 case 90:
	  N_DBPS = 36;
	  break;

	 case 120:
	  N_DBPS = 48;
	  break;

	 case 180:
	  N_DBPS = 72;
	  break;

	 case 240:
	  N_DBPS = 96;
	  break;

	 case 360:
	  N_DBPS = 144;
	  break;

	 case 480:
	  N_DBPS = 192;
	  break;

	 case 540:
	  N_DBPS = 216;
	  break;

	 default:
	  break;
	 }

	 return N_DBPS;
}

void rtl819xU_cmd_isr(struct urb *tx_cmd_urb, struct pt_regs *regs)
{
#if 0
	struct net_device *dev = (struct net_device*)tx_cmd_urb->context;
	struct r8192_priv *priv = ieee80211_priv(dev);
	int		   last_init_packet = 0;
	u8		   *ptr_cmd_buf;
	u16		    cmd_buf_len;

	if(tx_cmd_urb->status != 0) {
		priv->pFirmware.firmware_seg_index = 0; //only begin transter, should it can be set to 1
	}

	/* Free the urb and the corresponding buf for common Tx cmd packet, or
	 * last segment of each firmware img.
	 */
	if((priv->pFirmware.firmware_seg_index == 0) ||(priv->pFirmware.firmware_seg_index == priv->pFirmware.firmware_seg_maxnum)) {
		priv->pFirmware.firmware_seg_index = 0;//only begin transter, should it can be set to 1
	} else {
		/* prepare for last transfer */
		/* update some infomation for */
		/* last segment of the firmware img need indicate to device */
		priv->pFirmware.firmware_seg_index++;
		if(priv->pFirmware.firmware_seg_index == priv->pFirmware.firmware_seg_maxnum) {
			last_init_packet = 1;
		}

		cmd_buf_len = priv->pFirmware.firmware_seg_container[priv->pFirmware.firmware_seg_index-1].seg_size;
		ptr_cmd_buf = priv->pFfirmware.firmware_seg_container[priv->pFfirmware.firmware_seg_index-1].seg_ptr;
		rtl819xU_tx_cmd(dev, ptr_cmd_buf, cmd_buf_len, last_init_packet, DESC_PACKET_TYPE_INIT);
	}

	kfree(tx_cmd_urb->transfer_buffer);
#endif
	usb_free_urb(tx_cmd_urb);
}

unsigned int txqueue2outpipe(struct r8192_priv* priv,unsigned int tx_queue) {

	if(tx_queue >= 9)
	{
		RT_TRACE(COMP_ERR,"%s():Unknown queue ID!!!\n",__FUNCTION__);
		return 0x04;
	}
	return priv->txqueue_to_outpipemap[tx_queue];
}

short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	//u8			*tx;
	int			status;
	struct urb		*tx_urb;
	//int			urb_buf_len;
	unsigned int 		idx_pipe;
	tx_desc_cmd_819x_usb *pdesc = (tx_desc_cmd_819x_usb *)skb->data;
	cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
	u8 queue_index = tcb_desc->queue_index;

	//printk("\n %s::queue_index = %d\n",__FUNCTION__, queue_index);
	atomic_inc(&priv->tx_pending[queue_index]);
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
	tx_urb = usb_alloc_urb(0,GFP_ATOMIC);
#else
	tx_urb = usb_alloc_urb(0);
#endif
	if(!tx_urb){
		dev_kfree_skb(skb);
		return -ENOMEM;
	}

	memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
	/* Tx descriptor ought to be set according to the skb->cb */
	pdesc->FirstSeg = 1;//bFirstSeg;
	pdesc->LastSeg = 1;//bLastSeg;
	pdesc->CmdInit = tcb_desc->bCmdOrInit;
	pdesc->TxBufferSize = tcb_desc->txbuf_size;
	pdesc->OWN = 1;
	pdesc->LINIP = tcb_desc->bLastIniPkt;

	//----------------------------------------------------------------------------
	// Fill up USB_OUT_CONTEXT.
	//----------------------------------------------------------------------------
	// Get index to out pipe from specified QueueID.
#ifndef USE_ONE_PIPE
	idx_pipe = txqueue2outpipe(priv,queue_index);
#else
	idx_pipe = 0x04;
#endif
#ifdef JOHN_DUMP_TXDESC
	int i;
	printk("<Tx descriptor>--rate %x---",rate);
	for (i = 0; i < 8; i++)
		printk("%8x ", tx[i]);
	printk("\n");
#endif
	usb_fill_bulk_urb(tx_urb,priv->udev, usb_sndbulkpipe(priv->udev,idx_pipe), \
			skb->data, skb->len, rtl8192_tx_isr, skb);

#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
	status = usb_submit_urb(tx_urb, GFP_ATOMIC);
#else
	status = usb_submit_urb(tx_urb);
#endif

	if (!status){
		return 0;
	}else{
		DMESGE("Error TX CMD URB, error %d",
				status);
		return -1;
	}
}

/*
 * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
 * in TxFwInfo data structure
 * 2006.10.30 by Emily
 *
 * \param QUEUEID       Software Queue
*/
u8 MapHwQueueToFirmwareQueue(u8 QueueID)
{
	u8 QueueSelect = 0x0;       //defualt set to

	switch(QueueID) {
		case BE_QUEUE:
			QueueSelect = QSLT_BE;  //or QSelect = pTcb->priority;
			break;

		case BK_QUEUE:
			QueueSelect = QSLT_BK;  //or QSelect = pTcb->priority;
			break;

		case VO_QUEUE:
			QueueSelect = QSLT_VO;  //or QSelect = pTcb->priority;
			break;

		case VI_QUEUE:
			QueueSelect = QSLT_VI;  //or QSelect = pTcb->priority;
			break;
		case MGNT_QUEUE:
			QueueSelect = QSLT_MGNT;
			break;

		case BEACON_QUEUE:
			QueueSelect = QSLT_BEACON;
			break;

			// TODO: 2006.10.30 mark other queue selection until we verify it is OK
			// TODO: Remove Assertions
//#if (RTL819X_FPGA_VER & RTL819X_FPGA_GUANGAN_070502)
		case TXCMD_QUEUE:
			QueueSelect = QSLT_CMD;
			break;
//#endif
		case HIGH_QUEUE:
			QueueSelect = QSLT_HIGH;
			break;

		default:
			RT_TRACE(COMP_ERR, "TransmitTCB(): Impossible Queue Selection: %d \n", QueueID);
			break;
	}
	return QueueSelect;
}

u8 MRateToHwRate8190Pci(u8 rate)
{
	u8  ret = DESC90_RATE1M;

	switch(rate) {
		case MGN_1M:    ret = DESC90_RATE1M;    break;
		case MGN_2M:    ret = DESC90_RATE2M;    break;
		case MGN_5_5M:  ret = DESC90_RATE5_5M;  break;
		case MGN_11M:   ret = DESC90_RATE11M;   break;
		case MGN_6M:    ret = DESC90_RATE6M;    break;
		case MGN_9M:    ret = DESC90_RATE9M;    break;
		case MGN_12M:   ret = DESC90_RATE12M;   break;
		case MGN_18M:   ret = DESC90_RATE18M;   break;
		case MGN_24M:   ret = DESC90_RATE24M;   break;
		case MGN_36M:   ret = DESC90_RATE36M;   break;
		case MGN_48M:   ret = DESC90_RATE48M;   break;
		case MGN_54M:   ret = DESC90_RATE54M;   break;

		// HT rate since here
		case MGN_MCS0:  ret = DESC90_RATEMCS0;  break;
		case MGN_MCS1:  ret = DESC90_RATEMCS1;  break;
		case MGN_MCS2:  ret = DESC90_RATEMCS2;  break;
		case MGN_MCS3:  ret = DESC90_RATEMCS3;  break;
		case MGN_MCS4:  ret = DESC90_RATEMCS4;  break;
		case MGN_MCS5:  ret = DESC90_RATEMCS5;  break;
		case MGN_MCS6:  ret = DESC90_RATEMCS6;  break;
		case MGN_MCS7:  ret = DESC90_RATEMCS7;  break;
		case MGN_MCS8:  ret = DESC90_RATEMCS8;  break;
		case MGN_MCS9:  ret = DESC90_RATEMCS9;  break;
		case MGN_MCS10: ret = DESC90_RATEMCS10; break;
		case MGN_MCS11: ret = DESC90_RATEMCS11; break;
		case MGN_MCS12: ret = DESC90_RATEMCS12; break;
		case MGN_MCS13: ret = DESC90_RATEMCS13; break;
		case MGN_MCS14: ret = DESC90_RATEMCS14; break;
		case MGN_MCS15: ret = DESC90_RATEMCS15; break;
		case (0x80|0x20): ret = DESC90_RATEMCS32; break;

		default:       break;
	}
	return ret;
}


u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
{
	u8   tmp_Short;

	tmp_Short = (TxHT==1)?((tcb_desc->bUseShortGI)?1:0):((tcb_desc->bUseShortPreamble)?1:0);

	if(TxHT==1 && TxRate != DESC90_RATEMCS15)
		tmp_Short = 0;

	return tmp_Short;
}

#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
static void tx_zero_isr(struct urb *tx_urb, struct pt_regs *reg)
#else
static void tx_zero_isr(struct urb *tx_urb)
#endif
{
	return;
}

/*
 * The tx procedure is just as following,
 * skb->cb will contain all the following information,
 * priority, morefrag, rate, &dev.
 * */
short rtl8192_tx(struct net_device *dev, struct sk_buff* skb)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
	tx_desc_819x_usb *tx_desc = (tx_desc_819x_usb *)skb->data;
	tx_fwinfo_819x_usb *tx_fwinfo = (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
	struct usb_device *udev = priv->udev;
	int pend;
	int status;
	struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
	//int urb_len;
	unsigned int idx_pipe;
//	RT_DEBUG_DATA(COMP_SEND, tcb_desc, sizeof(cb_desc));
#if 0
	/* Added by Annie for filling Len_Adjust field. 2005-12-14. */
	RT_ENC_ALG  EncAlg = NO_Encryption;
#endif
//	printk("=============> %s\n", __FUNCTION__);
	pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
	/* we are locked here so the two atomic_read and inc are executed
	 * without interleaves
	 * !!! For debug purpose
	 */
	if( pend > MAX_TX_URB){
#if 0
		switch (tcb_desc->queue_index) {
			case VO_PRIORITY:
				priv->stats.txvodrop++;
				break;
			case VI_PRIORITY:
				priv->stats.txvidrop++;
				break;
			case BE_PRIORITY:
				priv->stats.txbedrop++;
				break;
			default://BK_PRIORITY
				priv->stats.txbkdrop++;
				break;
		}
#endif
		printk("To discard skb packet!\n");
		dev_kfree_skb_any(skb);
		return -1;
	}

#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
	tx_urb = usb_alloc_urb(0,GFP_ATOMIC);
#else
	tx_urb = usb_alloc_urb(0);
#endif
	if(!tx_urb){
		dev_kfree_skb_any(skb);
		return -ENOMEM;
	}

	/* Fill Tx firmware info */
	memset(tx_fwinfo,0,sizeof(tx_fwinfo_819x_usb));
	/* DWORD 0 */
	tx_fwinfo->TxHT = (tcb_desc->data_rate&0x80)?1:0;
	tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
	tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
	tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate, tcb_desc);
	if(tcb_desc->bAMPDUEnable) {//AMPDU enabled
		tx_fwinfo->AllowAggregation = 1;
		/* DWORD 1 */
		tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
		tx_fwinfo->RxAMD = tcb_desc->ampdu_density&0x07;//ampdudensity
	} else {
		tx_fwinfo->AllowAggregation = 0;
		/* DWORD 1 */
		tx_fwinfo->RxMF = 0;
		tx_fwinfo->RxAMD = 0;
	}

	/* Protection mode related */
	tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable)?1:0;
	tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable)?1:0;
	tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC)?1:0;
	tx_fwinfo->RtsHT = (tcb_desc->rts_rate&0x80)?1:0;
	tx_fwinfo->RtsRate =  MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
	tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT==0)?(tcb_desc->RTSSC):0;
	tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT==1)?((tcb_desc->bRTSBW)?1:0):0;
	tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT==0)?(tcb_desc->bRTSUseShortPreamble?1:0):\
				(tcb_desc->bRTSUseShortGI?1:0);

	/* Set Bandwidth and sub-channel settings. */
	if(priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40)
	{
		if(tcb_desc->bPacketBW) {
			tx_fwinfo->TxBandwidth = 1;
			tx_fwinfo->TxSubCarrier = 0;    //By SD3's Jerry suggestion, use duplicated mode
		} else {
			tx_fwinfo->TxBandwidth = 0;
			tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
		}
	} else {
		tx_fwinfo->TxBandwidth = 0;
		tx_fwinfo->TxSubCarrier = 0;
	}

#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
	if (tcb_desc->drv_agg_enable)
	{
		tx_fwinfo->Tx_INFO_RSVD = (tcb_desc->DrvAggrNum & 0x1f) << 1;
	}
#endif
	/* Fill Tx descriptor */
	memset(tx_desc, 0, sizeof(tx_desc_819x_usb));
	/* DWORD 0 */
	tx_desc->LINIP = 0;
	tx_desc->CmdInit = 1;
	tx_desc->Offset =  sizeof(tx_fwinfo_819x_usb) + 8;

#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
	if (tcb_desc->drv_agg_enable) {
		tx_desc->PktSize = tcb_desc->pkt_size;
	} else
#endif
	{
		tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
	}

	/*DWORD 1*/
	tx_desc->SecCAMID= 0;
	tx_desc->RATid = tcb_desc->RATRIndex;
#if 0
	/* Fill security related */
	if( pTcb->bEncrypt && !Adapter->MgntInfo.SecurityInfo.SWTxEncryptFlag)
	{
		EncAlg = SecGetEncryptionOverhead(
				Adapter,
				&EncryptionMPDUHeadOverhead,
				&EncryptionMPDUTailOverhead,
				NULL,
				NULL,
				FALSE,
				FALSE);
		//2004/07/22, kcwu, EncryptionMPDUHeadOverhead has been added in previous code
		//MPDUOverhead = EncryptionMPDUHeadOverhead + EncryptionMPDUTailOverhead;
		MPDUOverhead = EncryptionMPDUTailOverhead;
		tx_desc->NoEnc = 0;
		RT_TRACE(COMP_SEC, DBG_LOUD, ("******We in the loop SecCAMID is %d SecDescAssign is %d The Sec is %d********\n",tx_desc->SecCAMID,tx_desc->SecDescAssign,EncAlg));
		//CamDumpAll(Adapter);
	}
	else
#endif
	{
		//MPDUOverhead = 0;
		tx_desc->NoEnc = 1;
	}
#if 0
	switch(EncAlg){
		case NO_Encryption:
			tx_desc->SecType = 0x0;
			break;
		case WEP40_Encryption:
		case WEP104_Encryption:
			tx_desc->SecType = 0x1;
			break;
		case TKIP_Encryption:
			tx_desc->SecType = 0x2;
			break;
		case AESCCMP_Encryption:
			tx_desc->SecType = 0x3;
			break;
		default:
			tx_desc->SecType = 0x0;
			break;
	}
#else
	tx_desc->SecType = 0x0;
#endif
		if (tcb_desc->bHwSec)
			{
				switch (priv->ieee80211->pairwise_key_type)
				{
					case KEY_TYPE_WEP40:
					case KEY_TYPE_WEP104:
						 tx_desc->SecType = 0x1;
						 tx_desc->NoEnc = 0;
						 break;
					case KEY_TYPE_TKIP:
						 tx_desc->SecType = 0x2;
						 tx_desc->NoEnc = 0;
						 break;
					case KEY_TYPE_CCMP:
						 tx_desc->SecType = 0x3;
						 tx_desc->NoEnc = 0;
						 break;
					case KEY_TYPE_NA:
						 tx_desc->SecType = 0x0;
						 tx_desc->NoEnc = 1;
						 break;
				}
			}

	tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
	tx_desc->TxFWInfoSize =  sizeof(tx_fwinfo_819x_usb);

	tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
	tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;

	/* Fill fields that are required to be initialized in all of the descriptors */
	//DWORD 0
#if 0
	tx_desc->FirstSeg = (tcb_desc->bFirstSeg)? 1:0;
	tx_desc->LastSeg = (tcb_desc->bLastSeg)?1:0;
#else
	tx_desc->FirstSeg = 1;
	tx_desc->LastSeg = 1;
#endif
	tx_desc->OWN = 1;

#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
	if (tcb_desc->drv_agg_enable) {
		tx_desc->TxBufferSize = tcb_desc->pkt_size + sizeof(tx_fwinfo_819x_usb);
	} else
#endif
	{
		//DWORD 2
		tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
	}
	/* Get index to out pipe from specified QueueID */
#ifndef USE_ONE_PIPE
	idx_pipe = txqueue2outpipe(priv,tcb_desc->queue_index);
#else
	idx_pipe = 0x5;
#endif

	//RT_DEBUG_DATA(COMP_SEND,tx_fwinfo,sizeof(tx_fwinfo_819x_usb));
	//RT_DEBUG_DATA(COMP_SEND,tx_desc,sizeof(tx_desc_819x_usb));

	/* To submit bulk urb */
	usb_fill_bulk_urb(tx_urb,udev,
			usb_sndbulkpipe(udev,idx_pipe), skb->data,
			skb->len, rtl8192_tx_isr, skb);

#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
	status = usb_submit_urb(tx_urb, GFP_ATOMIC);
#else
	status = usb_submit_urb(tx_urb);
#endif
	if (!status){
//we need to send 0 byte packet whenever 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has been transmitted. Otherwise, it will be halt to wait for another packet. WB. 2008.08.27
		bool bSend0Byte = false;
		u8 zero = 0;
		if(udev->speed == USB_SPEED_HIGH)
		{
			if (skb->len > 0 && skb->len % 512 == 0)
				bSend0Byte = true;
		}
		else
		{
			if (skb->len > 0 && skb->len % 64 == 0)
				bSend0Byte = true;
		}
		if (bSend0Byte)
		{
#if 1
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
			tx_urb_zero = usb_alloc_urb(0,GFP_ATOMIC);
#else
			tx_urb_zero = usb_alloc_urb(0);
#endif
			if(!tx_urb_zero){
				RT_TRACE(COMP_ERR, "can't alloc urb for zero byte\n");
				return -ENOMEM;
			}
			usb_fill_bulk_urb(tx_urb_zero,udev,
					usb_sndbulkpipe(udev,idx_pipe), &zero,
					0, tx_zero_isr, dev);
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
			status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
#else
			status = usb_submit_urb(tx_urb_zero);
#endif
			if (status){
			RT_TRACE(COMP_ERR, "Error TX URB for zero byte %d, error %d", atomic_read(&priv->tx_pending[tcb_desc->queue_index]), status);
			return -1;
			}
#endif
		}
		dev->trans_start = jiffies;
		atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
		return 0;
	}else{
		RT_TRACE(COMP_ERR, "Error TX URB %d, error %d", atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
				status);
		return -1;
	}
}

short rtl8192_usb_initendpoints(struct net_device *dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);

	priv->rx_urb = (struct urb**) kmalloc (sizeof(struct urb*) * (MAX_RX_URB+1), GFP_KERNEL);

#ifndef JACKSON_NEW_RX
	for(i=0;i<(MAX_RX_URB+1);i++){

#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
		priv->rx_urb[i] = usb_alloc_urb(0,GFP_KERNEL);
#else
		priv->rx_urb[i] = usb_alloc_urb(0);
#endif

		priv->rx_urb[i]->transfer_buffer = kmalloc(RX_URB_SIZE, GFP_KERNEL);

		priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
	}
#endif

#ifdef THOMAS_BEACON
{
	long align = 0;
	void *oldaddr, *newaddr;

	priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
	priv->oldaddr = kmalloc(16, GFP_KERNEL);
	oldaddr = priv->oldaddr;
	align = ((long)oldaddr) & 3;
	if (align) {
		newaddr = oldaddr + 4 - align;
		priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
	} else {
		newaddr = oldaddr;
		priv->rx_urb[16]->transfer_buffer_length = 16;
	}
	priv->rx_urb[16]->transfer_buffer = newaddr;
}
#endif

	memset(priv->rx_urb, 0, sizeof(struct urb*) * MAX_RX_URB);
	priv->pp_rxskb = (struct sk_buff **)kmalloc(sizeof(struct sk_buff *) * MAX_RX_URB, GFP_KERNEL);
	if (priv->pp_rxskb == NULL)
		goto destroy;

	memset(priv->pp_rxskb, 0, sizeof(struct sk_buff*) * MAX_RX_URB);

	goto _middle;


destroy:
	if (priv->pp_rxskb) {
		kfree(priv->pp_rxskb);
	}
	if (priv->rx_urb) {
		kfree(priv->rx_urb);
	}

	priv->pp_rxskb = NULL;
	priv->rx_urb = NULL;

	DMESGE("Endpoint Alloc Failure");
	return -ENOMEM;


_middle:

	printk("End of initendpoints\n");
	return 0;

}
#ifdef THOMAS_BEACON
void rtl8192_usb_deleteendpoints(struct net_device *dev)
{
	int i;
	struct r8192_priv *priv = ieee80211_priv(dev);

	if(priv->rx_urb){
		for(i=0;i<(MAX_RX_URB+1);i++){
			usb_kill_urb(priv->rx_urb[i]);
			usb_free_urb(priv->rx_urb[i]);
		}
		kfree(priv->rx_urb);
		priv->rx_urb = NULL;
	}
	if(priv->oldaddr){
		kfree(priv->oldaddr);
		priv->oldaddr = NULL;
	}
	if (priv->pp_rxskb) {
		kfree(priv->pp_rxskb);
		priv->pp_rxskb = 0;
	}
}
#else
void rtl8192_usb_deleteendpoints(struct net_device *dev)
{
	int i;
	struct r8192_priv *priv = ieee80211_priv(dev);

#ifndef JACKSON_NEW_RX

	if(priv->rx_urb){
		for(i=0;i<(MAX_RX_URB+1);i++){
			usb_kill_urb(priv->rx_urb[i]);
			kfree(priv->rx_urb[i]->transfer_buffer);
			usb_free_urb(priv->rx_urb[i]);
		}
		kfree(priv->rx_urb);
		priv->rx_urb = NULL;

	}
#else
	if(priv->rx_urb){
		kfree(priv->rx_urb);
		priv->rx_urb = NULL;
	}
	if(priv->oldaddr){
		kfree(priv->oldaddr);
		priv->oldaddr = NULL;
	}
	if (priv->pp_rxskb) {
		kfree(priv->pp_rxskb);
		priv->pp_rxskb = 0;

	}

#endif
}
#endif

#if 0
void rtl8192_set_rate(struct net_device *dev)
{
	int i;
	u16 word;
	int basic_rate,min_rr_rate,max_rr_rate;

//	struct r8192_priv *priv = ieee80211_priv(dev);

	//if (ieee80211_is_54g(priv->ieee80211->current_network) &&
//		priv->ieee80211->state == IEEE80211_LINKED){
	basic_rate = ieeerate2rtlrate(240);
	min_rr_rate = ieeerate2rtlrate(60);
	max_rr_rate = ieeerate2rtlrate(240);

//
//	}else{
//		basic_rate = ieeerate2rtlrate(20);
//		min_rr_rate = ieeerate2rtlrate(10);
//		max_rr_rate = ieeerate2rtlrate(110);
//	}

	write_nic_byte(dev, RESP_RATE,
			max_rr_rate<<MAX_RESP_RATE_SHIFT| min_rr_rate<<MIN_RESP_RATE_SHIFT);

	//word  = read_nic_word(dev, BRSR);
	word  = read_nic_word(dev, BRSR_8187);
	word &= ~BRSR_MBR_8185;


	for(i=0;i<=basic_rate;i++)
		word |= (1<<i);

	//write_nic_word(dev, BRSR, word);
	write_nic_word(dev, BRSR_8187, word);
	//DMESG("RR:%x BRSR: %x", read_nic_byte(dev,RESP_RATE), read_nic_word(dev,BRSR));
}
#endif
extern void rtl8192_update_ratr_table(struct net_device* dev);
void rtl8192_link_change(struct net_device *dev)
{
//	int i;

	struct r8192_priv *priv = ieee80211_priv(dev);
	struct ieee80211_device* ieee = priv->ieee80211;
	//write_nic_word(dev, BCN_INTR_ITV, net->beacon_interval);
	if (ieee->state == IEEE80211_LINKED)
	{
		rtl8192_net_update(dev);
		rtl8192_update_ratr_table(dev);
#if 1
		//add this as in pure N mode, wep encryption will use software way, but there is no chance to set this as wep will not set group key in wext. WB.2008.07.08
		if ((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type))
		EnableHWSecurityConfig8192(dev);
#endif
	}
	/*update timing params*/
//	RT_TRACE(COMP_CH, "========>%s(), chan:%d\n", __FUNCTION__, priv->chan);
//	rtl8192_set_chan(dev, priv->chan);
	 if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC)
        {
                u32 reg = 0;
                reg = read_nic_dword(dev, RCR);
                if (priv->ieee80211->state == IEEE80211_LINKED)
                        priv->ReceiveConfig = reg |= RCR_CBSSID;
                else
                        priv->ReceiveConfig = reg &= ~RCR_CBSSID;
                write_nic_dword(dev, RCR, reg);
        }

//	rtl8192_set_rxconf(dev);
}

static struct ieee80211_qos_parameters def_qos_parameters = {
        {3,3,3,3},/* cw_min */
        {7,7,7,7},/* cw_max */
        {2,2,2,2},/* aifs */
        {0,0,0,0},/* flags */
        {0,0,0,0} /* tx_op_limit */
};


#if LINUX_VERSION_CODE >=KERNEL_VERSION(2,6,20)
void rtl8192_update_beacon(struct work_struct * work)
{
        struct r8192_priv *priv = container_of(work, struct r8192_priv, update_beacon_wq.work);
        struct net_device *dev = priv->ieee80211->dev;
#else
void rtl8192_update_beacon(struct net_device *dev)
{
        struct r8192_priv *priv = ieee80211_priv(dev);
#endif
 	struct ieee80211_device* ieee = priv->ieee80211;
	struct ieee80211_network* net = &ieee->current_network;

	if (ieee->pHTInfo->bCurrentHTSupport)
		HTUpdateSelfAndPeerSetting(ieee, net);
	ieee->pHTInfo->bCurrentRT2RTLongSlotTime = net->bssht.bdRT2RTLongSlotTime;
	rtl8192_update_cap(dev, net->capability);
}
/*
* background support to run QoS activate functionality
*/
int WDCAPARA_ADD[] = {EDCAPARA_BE,EDCAPARA_BK,EDCAPARA_VI,EDCAPARA_VO};
#if LINUX_VERSION_CODE >=KERNEL_VERSION(2,6,20)
void rtl8192_qos_activate(struct work_struct * work)
{
	struct r8192_priv *priv = container_of(work, struct r8192_priv, qos_activate);
	struct net_device *dev = priv->ieee80211->dev;
#else
void rtl8192_qos_activate(struct net_device *dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
#endif
	struct ieee80211_qos_parameters *qos_parameters = &priv->ieee80211->current_network.qos_data.parameters;
	u8 mode = priv->ieee80211->current_network.mode;
	//u32 size = sizeof(struct ieee80211_qos_parameters);
	u8  u1bAIFS;
	u32 u4bAcParam;
	int i;

	if (priv == NULL)
		return;

#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16))
	down(&priv->mutex);
#else
       mutex_lock(&priv->mutex);
#endif
	if(priv->ieee80211->state != IEEE80211_LINKED)
		goto success;
	RT_TRACE(COMP_QOS,"qos active process with associate response received\n");
	/* It better set slot time at first */
	/* For we just support b/g mode at present, let the slot time at 9/20 selection */
	/* update the ac parameter to related registers */
	for(i = 0; i <  QOS_QUEUE_NUM; i++) {
		//Mode G/A: slotTimeTimer = 9; Mode B: 20
		u1bAIFS = qos_parameters->aifs[i] * ((mode&(IEEE_G|IEEE_N_24G)) ?9:20) + aSifsTime;
		u4bAcParam = ((((u32)(qos_parameters->tx_op_limit[i]))<< AC_PARAM_TXOP_LIMIT_OFFSET)|
				(((u32)(qos_parameters->cw_max[i]))<< AC_PARAM_ECW_MAX_OFFSET)|
				(((u32)(qos_parameters->cw_min[i]))<< AC_PARAM_ECW_MIN_OFFSET)|
				((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET));

		write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
		//write_nic_dword(dev, WDCAPARA_ADD[i], 0x005e4332);
	}

success:
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16))
	up(&priv->mutex);
#else
       mutex_unlock(&priv->mutex);
#endif
}

static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
		int active_network,
		struct ieee80211_network *network)
{
	int ret = 0;
	u32 size = sizeof(struct ieee80211_qos_parameters);

	if(priv->ieee80211->state !=IEEE80211_LINKED)
		return ret;

	if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
		return ret;

	if (network->flags & NETWORK_HAS_QOS_MASK) {
		if (active_network &&
				(network->flags & NETWORK_HAS_QOS_PARAMETERS))
			network->qos_data.active = network->qos_data.supported;

		if ((network->qos_data.active == 1) && (active_network == 1) &&
				(network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
				(network->qos_data.old_param_count !=
				 network->qos_data.param_count)) {
			network->qos_data.old_param_count =
				network->qos_data.param_count;
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
			queue_work(priv->priv_wq, &priv->qos_activate);
#else
			schedule_task(&priv->qos_activate);
#endif
			RT_TRACE (COMP_QOS, "QoS parameters change call "
					"qos_activate\n");
		}
	} else {
		memcpy(&priv->ieee80211->current_network.qos_data.parameters,\
		       &def_qos_parameters, size);

		if ((network->qos_data.active == 1) && (active_network == 1)) {
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
			queue_work(priv->priv_wq, &priv->qos_activate);
#else
			schedule_task(&priv->qos_activate);
#endif
			RT_TRACE(COMP_QOS, "QoS was disabled call qos_activate \n");
		}
		network->qos_data.active = 0;
		network->qos_data.supported = 0;
	}

	return 0;
}

/* handle manage frame frame beacon and probe response */
static int rtl8192_handle_beacon(struct net_device * dev,
			      struct ieee80211_beacon * beacon,
			      struct ieee80211_network * network)
{
	struct r8192_priv *priv = ieee80211_priv(dev);

	rtl8192_qos_handle_probe_response(priv,1,network);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
	queue_delayed_work(priv->priv_wq, &priv->update_beacon_wq, 0);
#else
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
	schedule_task(&priv->update_beacon_wq);
#else
	queue_work(priv->priv_wq, &priv->update_beacon_wq);
#endif

#endif
	return 0;

}

/*
* handling the beaconing responses. if we get different QoS setting
* off the network from the associated setting, adjust the QoS
* setting
*/
static int rtl8192_qos_association_resp(struct r8192_priv *priv,
				    struct ieee80211_network *network)
{
	int ret = 0;
	unsigned long flags;
	u32 size = sizeof(struct ieee80211_qos_parameters);
	int set_qos_param = 0;

	if ((priv == NULL) || (network == NULL))
		return ret;

	if(priv->ieee80211->state !=IEEE80211_LINKED)
		return ret;

	if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
		return ret;

	spin_lock_irqsave(&priv->ieee80211->lock, flags);
	if(network->flags & NETWORK_HAS_QOS_PARAMETERS) {
		memcpy(&priv->ieee80211->current_network.qos_data.parameters,\
			 &network->qos_data.parameters,\
			sizeof(struct ieee80211_qos_parameters));
		priv->ieee80211->current_network.qos_data.active = 1;
#if 0
		if((priv->ieee80211->current_network.qos_data.param_count != \
					network->qos_data.param_count))
#endif
		 {
			set_qos_param = 1;
			/* update qos parameter for current network */
			priv->ieee80211->current_network.qos_data.old_param_count = \
				 priv->ieee80211->current_network.qos_data.param_count;
			priv->ieee80211->current_network.qos_data.param_count = \
				 network->qos_data.param_count;
		}
	} else {
		memcpy(&priv->ieee80211->current_network.qos_data.parameters,\
		       &def_qos_parameters, size);
		priv->ieee80211->current_network.qos_data.active = 0;
		priv->ieee80211->current_network.qos_data.supported = 0;
		set_qos_param = 1;
	}

	spin_unlock_irqrestore(&priv->ieee80211->lock, flags);

	RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n",__FUNCTION__,network->flags ,priv->ieee80211->current_network.qos_data.active);
	if (set_qos_param == 1)
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
		queue_work(priv->priv_wq, &priv->qos_activate);
#else
		schedule_task(&priv->qos_activate);
#endif


	return ret;
}


static int rtl8192_handle_assoc_response(struct net_device *dev,
				     struct ieee80211_assoc_response_frame *resp,
				     struct ieee80211_network *network)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	rtl8192_qos_association_resp(priv, network);
	return 0;
}


void rtl8192_update_ratr_table(struct net_device* dev)
	//	POCTET_STRING	posLegacyRate,
	//	u8*			pMcsRate)
	//	PRT_WLAN_STA	pEntry)
{
	struct r8192_priv* priv = ieee80211_priv(dev);
	struct ieee80211_device* ieee = priv->ieee80211;
	u8* pMcsRate = ieee->dot11HTOperationalRateSet;
	//struct ieee80211_network *net = &ieee->current_network;
	u32 ratr_value = 0;
	u8 rate_index = 0;
	rtl8192_config_rate(dev, (u16*)(&ratr_value));
	ratr_value |= (*(u16*)(pMcsRate)) << 12;
//	switch (net->mode)
	switch (ieee->mode)
	{
		case IEEE_A:
			ratr_value &= 0x00000FF0;
			break;
		case IEEE_B:
			ratr_value &= 0x0000000F;
			break;
		case IEEE_G:
			ratr_value &= 0x00000FF7;
			break;
		case IEEE_N_24G:
		case IEEE_N_5G:
			if (ieee->pHTInfo->PeerMimoPs == 0) //MIMO_PS_STATIC
				ratr_value &= 0x0007F007;
			else{
				if (priv->rf_type == RF_1T2R)
					ratr_value &= 0x000FF007;
				else
					ratr_value &= 0x0F81F007;
			}
			break;
		default:
			break;
	}
	ratr_value &= 0x0FFFFFFF;
	if(ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz){
		ratr_value |= 0x80000000;
	}else if(!ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI20MHz){
		ratr_value |= 0x80000000;
	}
	write_nic_dword(dev, RATR0+rate_index*4, ratr_value);
	write_nic_byte(dev, UFWP, 1);
}

static u8 ccmp_ie[4] = {0x00,0x50,0xf2,0x04};
static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
bool GetNmodeSupportBySecCfg8192(struct net_device*dev)
{
#if 1
	struct r8192_priv* priv = ieee80211_priv(dev);
	struct ieee80211_device* ieee = priv->ieee80211;
	struct ieee80211_network * network = &ieee->current_network;
	int wpa_ie_len= ieee->wpa_ie_len;
	struct ieee80211_crypt_data* crypt;
	int encrypt;

	crypt = ieee->crypt[ieee->tx_keyidx];
	//we use connecting AP's capability instead of only security config on our driver to distinguish whether it should use N mode or G mode
	encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) || (ieee->host_encrypt && crypt && crypt->ops && (0 == strcmp(crypt->ops->name,"WEP")));

	/* simply judge  */
	if(encrypt && (wpa_ie_len == 0)) {
		/* wep encryption, no N mode setting */
		return false;
//	} else if((wpa_ie_len != 0)&&(memcmp(&(ieee->wpa_ie[14]),ccmp_ie,4))) {
	} else if((wpa_ie_len != 0)) {
		/* parse pairwise key type */
		//if((pairwisekey = WEP40)||(pairwisekey = WEP104)||(pairwisekey = TKIP))
		if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]),ccmp_ie,4))) || ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10],ccmp_rsn_ie, 4))))
			return true;
		else
			return false;
	} else {
		return true;
	}

#if 0
	//In here we discuss with SD4 David. He think we still can send TKIP in broadcast group key in MCS rate.
	//We can't force in G mode if Pairwie key is AES and group key is TKIP
	if((pSecInfo->GroupEncAlgorithm == WEP104_Encryption) || (pSecInfo->GroupEncAlgorithm == WEP40_Encryption)  ||
	   (pSecInfo->PairwiseEncAlgorithm == WEP104_Encryption) ||
	   (pSecInfo->PairwiseEncAlgorithm == WEP40_Encryption) || (pSecInfo->PairwiseEncAlgorithm == TKIP_Encryption))
	{
		return  false;
	}
	else
		return true;
#endif
	return true;
#endif
}

bool GetHalfNmodeSupportByAPs819xUsb(struct net_device* dev)
{
	bool			Reval;
	struct r8192_priv* priv = ieee80211_priv(dev);
	struct ieee80211_device* ieee = priv->ieee80211;

	if(ieee->bHalfWirelessN24GMode == true)
		Reval = true;
	else
		Reval =  false;

	return Reval;
}

void rtl8192_refresh_supportrate(struct r8192_priv* priv)
{
	struct ieee80211_device* ieee = priv->ieee80211;
	//we donot consider set support rate for ABG mode, only HT MCS rate is set here.
	if (ieee->mode == WIRELESS_MODE_N_24G || ieee->mode == WIRELESS_MODE_N_5G)
	{
		memcpy(ieee->Regdot11HTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
		//RT_DEBUG_DATA(COMP_INIT, ieee->RegHTSuppRateSet, 16);
		//RT_DEBUG_DATA(COMP_INIT, ieee->Regdot11HTOperationalRateSet, 16);
	}
	else
		memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
	return;
}

u8 rtl8192_getSupportedWireleeMode(struct net_device*dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	u8 ret = 0;
	switch(priv->rf_chip)
	{
		case RF_8225:
		case RF_8256:
		case RF_PSEUDO_11N:
			ret = (WIRELESS_MODE_N_24G|WIRELESS_MODE_G|WIRELESS_MODE_B);
			break;
		case RF_8258:
			ret = (WIRELESS_MODE_A|WIRELESS_MODE_N_5G);
			break;
		default:
			ret = WIRELESS_MODE_B;
			break;
	}
	return ret;
}
void rtl8192_SetWirelessMode(struct net_device* dev, u8 wireless_mode)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);

#if 1
	if ((wireless_mode == WIRELESS_MODE_AUTO) || ((wireless_mode&bSupportMode)==0))
	{
		if(bSupportMode & WIRELESS_MODE_N_24G)
		{
			wireless_mode = WIRELESS_MODE_N_24G;
		}
		else if(bSupportMode & WIRELESS_MODE_N_5G)
		{
			wireless_mode = WIRELESS_MODE_N_5G;
		}
		else if((bSupportMode & WIRELESS_MODE_A))
		{
			wireless_mode = WIRELESS_MODE_A;
		}
		else if((bSupportMode & WIRELESS_MODE_G))
		{
			wireless_mode = WIRELESS_MODE_G;
		}
		else if((bSupportMode & WIRELESS_MODE_B))
		{
			wireless_mode = WIRELESS_MODE_B;
		}
		else{
			RT_TRACE(COMP_ERR, "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n", __FUNCTION__,bSupportMode);
			wireless_mode = WIRELESS_MODE_B;
		}
	}
#ifdef TO_DO_LIST //// TODO: this function doesn't work well at this time, we shoud wait for FPGA
	ActUpdateChannelAccessSetting( pAdapter, pHalData->CurrentWirelessMode, &pAdapter->MgntInfo.Info8185.ChannelAccessSetting );
#endif
	priv->ieee80211->mode = wireless_mode;

	if ((wireless_mode == WIRELESS_MODE_N_24G) ||  (wireless_mode == WIRELESS_MODE_N_5G))
		priv->ieee80211->pHTInfo->bEnableHT = 1;
	else
		priv->ieee80211->pHTInfo->bEnableHT = 0;
	RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
	rtl8192_refresh_supportrate(priv);
#endif

}
//init priv variables here. only non_zero value should be initialized here.
static void rtl8192_init_priv_variable(struct net_device* dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	u8 i;
	priv->card_8192 = NIC_8192U;
	priv->chan = 1; //set to channel 1
	priv->ieee80211->mode = WIRELESS_MODE_AUTO; //SET AUTO
	priv->ieee80211->iw_mode = IW_MODE_INFRA;
	priv->ieee80211->ieee_up=0;
	priv->retry_rts = DEFAULT_RETRY_RTS;
	priv->retry_data = DEFAULT_RETRY_DATA;
	priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
	priv->ieee80211->rate = 110; //11 mbps
	priv->ieee80211->short_slot = 1;
	priv->promisc = (dev->flags & IFF_PROMISC) ? 1:0;
	priv->CckPwEnl = 6;
	//for silent reset
	priv->IrpPendingCount = 1;
	priv->ResetProgress = RESET_TYPE_NORESET;
	priv->bForcedSilentReset = 0;
	priv->bDisableNormalResetCheck = false;
	priv->force_reset = false;

	priv->ieee80211->FwRWRF = 0; 	//we don't use FW read/write RF until stable firmware is available.
	priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
	priv->ieee80211->iw_mode = IW_MODE_INFRA;
	priv->ieee80211->softmac_features  = IEEE_SOFTMAC_SCAN |
		IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
		IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
		IEEE_SOFTMAC_BEACONS;//added by amy 080604 //|  //IEEE_SOFTMAC_SINGLE_QUEUE;

	priv->ieee80211->active_scan = 1;
	priv->ieee80211->modulation = IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
	priv->ieee80211->host_encrypt = 1;
	priv->ieee80211->host_decrypt = 1;
	priv->ieee80211->start_send_beacons = NULL;//rtl819xusb_beacon_tx;//-by amy 080604
	priv->ieee80211->stop_send_beacons = NULL;//rtl8192_beacon_stop;//-by amy 080604
	priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
	priv->ieee80211->set_chan = rtl8192_set_chan;
	priv->ieee80211->link_change = rtl8192_link_change;
	priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
	priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
	priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
	priv->ieee80211->init_wmmparam_flag = 0;
	priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
	priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
	priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
	priv->ieee80211->qos_support = 1;

	//added by WB
//	priv->ieee80211->SwChnlByTimerHandler = rtl8192_phy_SwChnl;
	priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
	priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
	priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
	//added by david
	priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
	priv->ieee80211->GetHalfNmodeSupportByAPsHandler = GetHalfNmodeSupportByAPs819xUsb;
	priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
	//added by amy
	priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
	priv->card_type = USB;
#ifdef TO_DO_LIST
	if(Adapter->bInHctTest)
	{
		pHalData->ShortRetryLimit = 7;
		pHalData->LongRetryLimit = 7;
	}
#endif
	{
		priv->ShortRetryLimit = 0x30;
		priv->LongRetryLimit = 0x30;
	}
	priv->EarlyRxThreshold = 7;
	priv->enable_gpio0 = 0;
	priv->TransmitConfig =
	//	TCR_DurProcMode |	//for RTL8185B, duration setting by HW
	//?	TCR_DISReqQsize |
		(TCR_MXDMA_2048<<TCR_MXDMA_OFFSET)|  // Max DMA Burst Size per Tx DMA Burst, 7: reservied.
		(priv->ShortRetryLimit<<TCR_SRL_OFFSET)|	// Short retry limit
		(priv->LongRetryLimit<<TCR_LRL_OFFSET) |	// Long retry limit
		(false ? TCR_SAT: 0);	// FALSE: HW provies PLCP length and LENGEXT, TURE: SW proiveds them
#ifdef TO_DO_LIST
	if(Adapter->bInHctTest)
		pHalData->ReceiveConfig	=	pHalData->CSMethod |
						RCR_AMF | RCR_ADF |	//RCR_AAP | 	//accept management/data
						//guangan200710
						RCR_ACF |	//accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
						RCR_AB | RCR_AM | RCR_APM |		//accept BC/MC/UC
						RCR_AICV | RCR_ACRC32 | 		//accept ICV/CRC error packet
						((u32)7<<RCR_MXDMA_OFFSET) | // Max DMA Burst Size per Rx DMA Burst, 7: unlimited.
						(pHalData->EarlyRxThreshold<<RCR_FIFO_OFFSET) | // Rx FIFO Threshold, 7: No Rx threshold.
						(pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt:0);
	else

#endif
	priv->ReceiveConfig	=
		RCR_AMF | RCR_ADF |		//accept management/data
		RCR_ACF |			//accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
		RCR_AB | RCR_AM | RCR_APM |	//accept BC/MC/UC
		//RCR_AICV | RCR_ACRC32 | 	//accept ICV/CRC error packet
		((u32)7<<RCR_MXDMA_OFFSET)| // Max DMA Burst Size per Rx DMA Burst, 7: unlimited.
		(priv->EarlyRxThreshold<<RX_FIFO_THRESHOLD_SHIFT) | // Rx FIFO Threshold, 7: No Rx threshold.
		(priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT:0);

	priv->AcmControl = 0;
	priv->pFirmware = (rt_firmware*)kmalloc(sizeof(rt_firmware), GFP_KERNEL);
	if (priv->pFirmware)
	memset(priv->pFirmware, 0, sizeof(rt_firmware));

	/* rx related queue */
	skb_queue_head_init(&priv->rx_queue);
	skb_queue_head_init(&priv->skb_queue);

	/* Tx related queue */
	for(i = 0; i < MAX_QUEUE_SIZE; i++) {
		skb_queue_head_init(&priv->ieee80211->skb_waitQ [i]);
	}
	for(i = 0; i < MAX_QUEUE_SIZE; i++) {
		skb_queue_head_init(&priv->ieee80211->skb_aggQ [i]);
	}
	for(i = 0; i < MAX_QUEUE_SIZE; i++) {
		skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ [i]);
	}
	priv->rf_set_chan = rtl8192_phy_SwChnl;
}

//init lock here
static void rtl8192_init_priv_lock(struct r8192_priv* priv)
{
	spin_lock_init(&priv->tx_lock);
	spin_lock_init(&priv->irq_lock);//added by thomas
	//spin_lock_init(&priv->rf_lock);
	sema_init(&priv->wx_sem,1);
	sema_init(&priv->rf_sem,1);
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16))
	sema_init(&priv->mutex, 1);
#else
	mutex_init(&priv->mutex);
#endif
}

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
extern  void    rtl819x_watchdog_wqcallback(struct work_struct *work);
#else
extern  void    rtl819x_watchdog_wqcallback(struct net_device *dev);
#endif

void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
//init tasklet and wait_queue here. only 2.6 above kernel is considered
#define DRV_NAME "wlan0"
static void rtl8192_init_priv_task(struct net_device* dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);

#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
#ifdef PF_SYNCTHREAD
	priv->priv_wq = create_workqueue(DRV_NAME,0);
#else
	priv->priv_wq = create_workqueue(DRV_NAME);
#endif
#endif

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
	INIT_WORK(&priv->reset_wq, rtl8192_restart);

	//INIT_DELAYED_WORK(&priv->watch_dog_wq, hal_dm_watchdog);
	INIT_DELAYED_WORK(&priv->watch_dog_wq, rtl819x_watchdog_wqcallback);
	INIT_DELAYED_WORK(&priv->txpower_tracking_wq,  dm_txpower_trackingcallback);
//	INIT_DELAYED_WORK(&priv->gpio_change_rf_wq,  dm_gpio_change_rf_callback);
	INIT_DELAYED_WORK(&priv->rfpath_check_wq,  dm_rf_pathcheck_workitemcallback);
	INIT_DELAYED_WORK(&priv->update_beacon_wq, rtl8192_update_beacon);
	INIT_DELAYED_WORK(&priv->initialgain_operate_wq, InitialGainOperateWorkItemCallBack);
	//INIT_WORK(&priv->SwChnlWorkItem,  rtl8192_SwChnl_WorkItem);
	//INIT_WORK(&priv->SetBWModeWorkItem,  rtl8192_SetBWModeWorkItem);
	INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
#else
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
	tq_init(&priv->reset_wq, (void*)rtl8192_restart, dev);
	tq_init(&priv->watch_dog_wq, (void*)rtl819x_watchdog_wqcallback, dev);
	tq_init(&priv->txpower_tracking_wq, (void*)dm_txpower_trackingcallback, dev);
	tq_init(&priv->rfpath_check_wq, (void*)dm_rf_pathcheck_workitemcallback, dev);
	tq_init(&priv->update_beacon_wq, (void*)rtl8192_update_beacon, dev);
	//tq_init(&priv->SwChnlWorkItem, (void*) rtl8192_SwChnl_WorkItem, dev);
	//tq_init(&priv->SetBWModeWorkItem, (void*)rtl8192_SetBWModeWorkItem, dev);
	tq_init(&priv->qos_activate, (void *)rtl8192_qos_activate, dev);
#else
	INIT_WORK(&priv->reset_wq,(void(*)(void*)) rtl8192_restart,dev);
	//INIT_WORK(&priv->watch_dog_wq, (void(*)(void*)) hal_dm_watchdog,dev);
	INIT_WORK(&priv->watch_dog_wq, (void(*)(void*)) rtl819x_watchdog_wqcallback,dev);
	INIT_WORK(&priv->txpower_tracking_wq, (void(*)(void*)) dm_txpower_trackingcallback,dev);
//	INIT_WORK(&priv->gpio_change_rf_wq, (void(*)(void*)) dm_gpio_change_rf_callback,dev);
	INIT_WORK(&priv->rfpath_check_wq, (void(*)(void*)) dm_rf_pathcheck_workitemcallback,dev);
	INIT_WORK(&priv->update_beacon_wq, (void(*)(void*))rtl8192_update_beacon,dev);
	INIT_WORK(&priv->initialgain_operate_wq, (void(*)(void*))InitialGainOperateWorkItemCallBack,dev);
	//INIT_WORK(&priv->SwChnlWorkItem, (void(*)(void*)) rtl8192_SwChnl_WorkItem, dev);
	//INIT_WORK(&priv->SetBWModeWorkItem, (void(*)(void*)) rtl8192_SetBWModeWorkItem, dev);
	INIT_WORK(&priv->qos_activate, (void(*)(void *))rtl8192_qos_activate, dev);
#endif
#endif

	tasklet_init(&priv->irq_rx_tasklet,
	     (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
	     (unsigned long)priv);
}

static void rtl8192_get_eeprom_size(struct net_device* dev)
{
	u16 curCR = 0;
	struct r8192_priv *priv = ieee80211_priv(dev);
	RT_TRACE(COMP_EPROM, "===========>%s()\n", __FUNCTION__);
	curCR = read_nic_word_E(dev,EPROM_CMD);
	RT_TRACE(COMP_EPROM, "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
	//whether need I consider BIT5?
	priv->epromtype = (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
	RT_TRACE(COMP_EPROM, "<===========%s(), epromtype:%d\n", __FUNCTION__, priv->epromtype);
}

//used to swap endian. as ntohl & htonl are not neccessary to swap endian, so use this instead.
static inline u16 endian_swap(u16* data)
{
	u16 tmp = *data;
	*data = (tmp >> 8) | (tmp << 8);
	return *data;
}
static void rtl8192_read_eeprom_info(struct net_device* dev)
{
	u16 wEPROM_ID = 0;
	u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
	u8 bLoad_From_EEPOM = false;
	struct r8192_priv *priv = ieee80211_priv(dev);
	u16 tmpValue = 0;
	RT_TRACE(COMP_EPROM, "===========>%s()\n", __FUNCTION__);
	wEPROM_ID = eprom_read(dev, 0); //first read EEPROM ID out;
	RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);

	if (wEPROM_ID != RTL8190_EEPROM_ID)
	{
		RT_TRACE(COMP_ERR, "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n", wEPROM_ID, RTL8190_EEPROM_ID);
	}
	else
		bLoad_From_EEPOM = true;

	if (bLoad_From_EEPOM)
	{
		tmpValue = eprom_read(dev, (EEPROM_VID>>1));
		priv->eeprom_vid = endian_swap(&tmpValue);
		priv->eeprom_pid = eprom_read(dev, (EEPROM_PID>>1));
		tmpValue = eprom_read(dev, (EEPROM_ChannelPlan>>1));
		priv->eeprom_ChannelPlan =((tmpValue&0xff00)>>8);
		priv->btxpowerdata_readfromEEPORM = true;
		priv->eeprom_CustomerID = eprom_read(dev, (EEPROM_Customer_ID>>1)) >>8;
	}
	else
	{
		priv->eeprom_vid = 0;
		priv->eeprom_pid = 0;
		priv->card_8192_version = VERSION_819xU_B;
		priv->eeprom_ChannelPlan = 0;
		priv->eeprom_CustomerID = 0;
	}
	RT_TRACE(COMP_EPROM, "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n", priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID, priv->eeprom_ChannelPlan);
	//set channelplan from eeprom
	priv->ChannelPlan = priv->eeprom_ChannelPlan;
	if (bLoad_From_EEPOM)
	{
		int i;
		for (i=0; i<6; i+=2)
		{
			u16 tmp = 0;
			tmp = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i)>>1));
			*(u16*)(&dev->dev_addr[i]) = tmp;
		}
	}
	else
	{
		memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
		//should I set IDR0 here?
	}
	RT_TRACE(COMP_EPROM, "MAC addr:"MAC_FMT"\n", MAC_ARG(dev->dev_addr));
	priv->rf_type = RTL819X_DEFAULT_RF_TYPE; //default 1T2R
	priv->rf_chip = RF_8256;

	if (priv->card_8192_version == (u8)VERSION_819xU_A)
	{
		//read Tx power gain offset of legacy OFDM to HT rate
		if (bLoad_From_EEPOM)
			priv->EEPROMTxPowerDiff = (eprom_read(dev, (EEPROM_TxPowerDiff>>1))&0xff00) >> 8;
		else
			priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower;
		RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
		//read ThermalMeter from EEPROM
		if (bLoad_From_EEPOM)
			priv->EEPROMThermalMeter = (u8)(eprom_read(dev, (EEPROM_ThermalMeter>>1))&0x00ff);
		else
			priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
		RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
		//vivi, for tx power track
		priv->TSSI_13dBm = priv->EEPROMThermalMeter *100;
		//read antenna tx power offset of B/C/D to A from EEPROM
		if (bLoad_From_EEPOM)
			priv->EEPROMPwDiff = (eprom_read(dev, (EEPROM_PwDiff>>1))&0x0f00)>>8;
		else
			priv->EEPROMPwDiff = EEPROM_Default_PwDiff;
		RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
		// Read CrystalCap from EEPROM
		if (bLoad_From_EEPOM)
			priv->EEPROMCrystalCap = (eprom_read(dev, (EEPROM_CrystalCap>>1))&0x0f);
		else
			priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
		RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
		//get per-channel Tx power level
		if (bLoad_From_EEPOM)
			priv->EEPROM_Def_Ver = (eprom_read(dev, (EEPROM_TxPwIndex_Ver>>1))&0xff00)>>8;
		else
			priv->EEPROM_Def_Ver = 1;
		RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
		if (priv->EEPROM_Def_Ver == 0) //old eeprom definition
		{
			int i;
			if (bLoad_From_EEPOM)
				priv->EEPROMTxPowerLevelCCK = (eprom_read(dev, (EEPROM_TxPwIndex_CCK>>1))&0xff) >> 8;
			else
				priv->EEPROMTxPowerLevelCCK = 0x10;
			RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
			for (i=0; i<3; i++)
			{
				if (bLoad_From_EEPOM)
				{
					tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G+i)>>1);
					if (((EEPROM_TxPwIndex_OFDM_24G+i) % 2) == 0)
						tmpValue = tmpValue & 0x00ff;
					else
						tmpValue = (tmpValue & 0xff00) >> 8;
				}
				else
					tmpValue = 0x10;
				priv->EEPROMTxPowerLevelOFDM24G[i] = (u8) tmpValue;
				RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
			}
		}//end if EEPROM_DEF_VER == 0
		else if (priv->EEPROM_Def_Ver == 1)
		{
			if (bLoad_From_EEPOM)
			{
				tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1>>1));
				tmpValue = (tmpValue & 0xff00) >> 8;
			}
			else
				tmpValue = 0x10;
			priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;

			if (bLoad_From_EEPOM)
				tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2)>>1);
			else
				tmpValue = 0x1010;
			*((u16*)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
			if (bLoad_From_EEPOM)
				tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1>>1));
			else
				tmpValue = 0x1010;
			*((u16*)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
			if (bLoad_From_EEPOM)
				tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1+2)>>1);
			else
				tmpValue = 0x10;
			priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
		}//endif EEPROM_Def_Ver == 1

		//update HAL variables
		//
		{
			int i;
			for (i=0; i<14; i++)
			{
				if (i<=3)
					priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
				else if (i>=4 && i<=9)
					priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
				else
					priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
			}

			for (i=0; i<14; i++)
			{
				if (priv->EEPROM_Def_Ver == 0)
				{
					if (i<=3)
						priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
					else if (i>=4 && i<=9)
						priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
					else
						priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
				}
				else if (priv->EEPROM_Def_Ver == 1)
				{
					if (i<=3)
						priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
					else if (i>=4 && i<=9)
						priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
					else
						priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
				}
			}
		}//end update HAL variables
		priv->TxPowerDiff = priv->EEPROMPwDiff;
// Antenna B gain offset to antenna A, bit0~3
		priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
		// Antenna C gain offset to antenna A, bit4~7
		priv->AntennaTxPwDiff[1] = ((priv->EEPROMTxPowerDiff & 0xf0)>>4);
		// CrystalCap, bit12~15
		priv->CrystalCap = priv->EEPROMCrystalCap;
		// ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
		// 92U does not enable TX power tracking.
		priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
	}//end if VersionID == VERSION_819xU_A

//added by vivi, for dlink led, 20080416
	switch(priv->eeprom_CustomerID)
	{
		case EEPROM_CID_RUNTOP:
			priv->CustomerID = RT_CID_819x_RUNTOP;
			break;

		case EEPROM_CID_DLINK:
			priv->CustomerID = RT_CID_DLINK;
			break;

		default:
			priv->CustomerID = RT_CID_DEFAULT;
			break;

	}

	switch(priv->CustomerID)
	{
		case RT_CID_819x_RUNTOP:
			priv->LedStrategy = SW_LED_MODE2;
			break;

		case RT_CID_DLINK:
			priv->LedStrategy = SW_LED_MODE4;
			break;

		default:
			priv->LedStrategy = SW_LED_MODE0;
			break;

	}


	if(priv->rf_type == RF_1T2R)
	{
		RT_TRACE(COMP_EPROM, "\n1T2R config\n");
	}
	else
	{
		RT_TRACE(COMP_EPROM, "\n2T4R config\n");
	}

	// 2008/01/16 MH We can only know RF type in the function. So we have to init
	// DIG RATR table again.
	init_rate_adaptive(dev);
	//we need init DIG RATR table here again.

	RT_TRACE(COMP_EPROM, "<===========%s()\n", __FUNCTION__);
	return;
}

short rtl8192_get_channel_map(struct net_device * dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
#ifdef ENABLE_DOT11D
	if(priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN){
		printk("rtl8180_init:Error channel plan! Set to default.\n");
		priv->ChannelPlan= 0;
	}
	RT_TRACE(COMP_INIT, "Channel plan is %d\n",priv->ChannelPlan);

	rtl819x_set_channel_map(priv->ChannelPlan, priv);
#else
	int ch,i;
	//Set Default Channel Plan
	if(!channels){
		DMESG("No channels, aborting");
		return -1;
	}
	ch=channels;
	priv->ChannelPlan= 0;//hikaru
	 // set channels 1..14 allowed in given locale
	for (i=1; i<=14; i++) {
		(priv->ieee80211->channel_map)[i] = (u8)(ch & 0x01);
		ch >>= 1;
	}
#endif
	return 0;
}

short rtl8192_init(struct net_device *dev)
{

	struct r8192_priv *priv = ieee80211_priv(dev);

	memset(&(priv->stats),0,sizeof(struct Stats));
	memset(priv->txqueue_to_outpipemap,0,9);
#ifdef PIPE12
	{
		int i=0;
		u8 queuetopipe[]={3,2,1,0,4,8,7,6,5};
		memcpy(priv->txqueue_to_outpipemap,queuetopipe,9);
/*		for(i=0;i<9;i++)
			printk("%d ",priv->txqueue_to_outpipemap[i]);
		printk("\n");*/
	}
#else
	{
		u8 queuetopipe[]={3,2,1,0,4,4,0,4,4};
		memcpy(priv->txqueue_to_outpipemap,queuetopipe,9);
/*		for(i=0;i<9;i++)
			printk("%d ",priv->txqueue_to_outpipemap[i]);
		printk("\n");*/
	}
#endif
	rtl8192_init_priv_variable(dev);
	rtl8192_init_priv_lock(priv);
	rtl8192_init_priv_task(dev);
	rtl8192_get_eeprom_size(dev);
	rtl8192_read_eeprom_info(dev);
	rtl8192_get_channel_map(dev);
	init_hal_dm(dev);
	init_timer(&priv->watch_dog_timer);
	priv->watch_dog_timer.data = (unsigned long)dev;
	priv->watch_dog_timer.function = watch_dog_timer_callback;
	if(rtl8192_usb_initendpoints(dev)!=0){
		DMESG("Endopoints initialization failed");
		return -ENOMEM;
	}

	//rtl8192_adapter_start(dev);
#ifdef DEBUG_EPROM
	dump_eprom(dev);
#endif
	return 0;
}

/******************************************************************************
 *function:  This function actually only set RRSR, RATR and BW_OPMODE registers
 *	     not to do all the hw config as its name says
 *   input:  net_device dev
 *  output:  none
 *  return:  none
 *  notice:  This part need to modified according to the rate set we filtered
 * ****************************************************************************/
void rtl8192_hwconfig(struct net_device* dev)
{
	u32 regRATR = 0, regRRSR = 0;
	u8 regBwOpMode = 0, regTmp = 0;
	struct r8192_priv *priv = ieee80211_priv(dev);

// Set RRSR, RATR, and BW_OPMODE registers
	//
	switch(priv->ieee80211->mode)
	{
	case WIRELESS_MODE_B:
		regBwOpMode = BW_OPMODE_20MHZ;
		regRATR = RATE_ALL_CCK;
		regRRSR = RATE_ALL_CCK;
		break;
	case WIRELESS_MODE_A:
		regBwOpMode = BW_OPMODE_5G |BW_OPMODE_20MHZ;
		regRATR = RATE_ALL_OFDM_AG;
		regRRSR = RATE_ALL_OFDM_AG;
		break;
	case WIRELESS_MODE_G:
		regBwOpMode = BW_OPMODE_20MHZ;
		regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
		regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
		break;
	case WIRELESS_MODE_AUTO:
#ifdef TO_DO_LIST
		if (Adapter->bInHctTest)
		{
		    regBwOpMode = BW_OPMODE_20MHZ;
		    regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
		    regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
		}
		else
#endif
		{
		    regBwOpMode = BW_OPMODE_20MHZ;
		    regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
		    regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
		}
		break;
	case WIRELESS_MODE_N_24G:
		// It support CCK rate by default.
		// CCK rate will be filtered out only when associated AP does not support it.
		regBwOpMode = BW_OPMODE_20MHZ;
			regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
			regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
		break;
	case WIRELESS_MODE_N_5G:
		regBwOpMode = BW_OPMODE_5G;
		regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
		regRRSR = RATE_ALL_OFDM_AG;
		break;
	}

	write_nic_byte(dev, BW_OPMODE, regBwOpMode);
	{
		u32 ratr_value = 0;
		ratr_value = regRATR;
		if (priv->rf_type == RF_1T2R)
		{
			ratr_value &= ~(RATE_ALL_OFDM_2SS);
		}
		write_nic_dword(dev, RATR0, ratr_value);
		write_nic_byte(dev, UFWP, 1);
	}
	regTmp = read_nic_byte(dev, 0x313);
	regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
	write_nic_dword(dev, RRSR, regRRSR);

	//
	// Set Retry Limit here
	//
	write_nic_word(dev, RETRY_LIMIT,
			priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT | \
			priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
	// Set Contention Window here

	// Set Tx AGC

	// Set Tx Antenna including Feedback control

	// Set Auto Rate fallback control


}


//InitializeAdapter and PhyCfg
bool rtl8192_adapter_start(struct net_device *dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	u32 dwRegRead = 0;
	bool init_status = true;
	RT_TRACE(COMP_INIT, "====>%s()\n", __FUNCTION__);
	priv->Rf_Mode = RF_OP_By_SW_3wire;
	//for ASIC power on sequence
	write_nic_byte_E(dev, 0x5f, 0x80);
	mdelay(50);
	write_nic_byte_E(dev, 0x5f, 0xf0);
	write_nic_byte_E(dev, 0x5d, 0x00);
	write_nic_byte_E(dev, 0x5e, 0x80);
	write_nic_byte(dev, 0x17, 0x37);
	mdelay(10);
//#ifdef TO_DO_LIST
	priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
	//config CPUReset Register
	//Firmware Reset or not?
	dwRegRead = read_nic_dword(dev, CPU_GEN);
	if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
		dwRegRead |= CPU_GEN_SYSTEM_RESET; //do nothing here?
	else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
		dwRegRead |= CPU_GEN_FIRMWARE_RESET;
	else
		RT_TRACE(COMP_ERR, "ERROR in %s(): undefined firmware state(%d)\n", __FUNCTION__,   priv->pFirmware->firmware_status);

	write_nic_dword(dev, CPU_GEN, dwRegRead);
	//mdelay(30);
	//config BB.
	rtl8192_BBConfig(dev);

#if 1
	//Loopback mode or not
	priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
//	priv->LoopbackMode = RTL819xU_MAC_LOOPBACK;

	dwRegRead = read_nic_dword(dev, CPU_GEN);
	if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
		dwRegRead = ((dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) | CPU_GEN_NO_LOOPBACK_SET);
	else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
		dwRegRead |= CPU_CCK_LOOPBACK;
	else
		RT_TRACE(COMP_ERR, "Serious error in %s(): wrong loopback mode setting(%d)\n", __FUNCTION__,  priv->LoopbackMode);

	write_nic_dword(dev, CPU_GEN, dwRegRead);

	//after reset cpu, we need wait for a seconds to write in register.
	udelay(500);

	//xiong add for new bitfile:usb suspend reset pin set to 1. //do we need?
	write_nic_byte_E(dev, 0x5f, (read_nic_byte_E(dev, 0x5f)|0x20));

	//Set Hardware
	rtl8192_hwconfig(dev);

	//turn on Tx/Rx
	write_nic_byte(dev, CMDR, CR_RE|CR_TE);

	//set IDR0 here
	write_nic_dword(dev, MAC0, ((u32*)dev->dev_addr)[0]);
	write_nic_word(dev, MAC4, ((u16*)(dev->dev_addr + 4))[0]);

	//set RCR
	write_nic_dword(dev, RCR, priv->ReceiveConfig);

	//Initialize Number of Reserved Pages in Firmware Queue
	write_nic_dword(dev, RQPN1,  NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |\
						NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT | \
						NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT | \
						NUM_OF_PAGE_IN_FW_QUEUE_VO <<RSVD_FW_QUEUE_PAGE_VO_SHIFT);
	write_nic_dword(dev, RQPN2, NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |\
						NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
	write_nic_dword(dev, RQPN3, APPLIED_RESERVED_QUEUE_IN_FW| \
						NUM_OF_PAGE_IN_FW_QUEUE_BCN<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT
//						| NUM_OF_PAGE_IN_FW_QUEUE_PUB<<RSVD_FW_QUEUE_PAGE_PUB_SHIFT
						);
	write_nic_dword(dev, RATR0+4*7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));

	//Set AckTimeout
	// TODO: (it value is only for FPGA version). need to be changed!!2006.12.18, by Emily
	write_nic_byte(dev, ACK_TIMEOUT, 0x30);

//	RT_TRACE(COMP_INIT, "%s():priv->ResetProgress is %d\n", __FUNCTION__,priv->ResetProgress);
	if(priv->ResetProgress == RESET_TYPE_NORESET)
	rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
	if(priv->ResetProgress == RESET_TYPE_NORESET){
	CamResetAllEntry(dev);
	{
		u8 SECR_value = 0x0;
		SECR_value |= SCR_TxEncEnable;
		SECR_value |= SCR_RxDecEnable;
		SECR_value |= SCR_NoSKMC;
		write_nic_byte(dev, SECR, SECR_value);
	}
	}

	//Beacon related
	write_nic_word(dev, ATIMWND, 2);
	write_nic_word(dev, BCN_INTERVAL, 100);

	{
#define DEFAULT_EDCA 0x005e4332
		int i;
		for (i=0; i<QOS_QUEUE_NUM; i++)
		write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
	}
#ifdef USB_RX_AGGREGATION_SUPPORT
	//3 For usb rx firmware aggregation control
	if(priv->ResetProgress == RESET_TYPE_NORESET)
	{
		u32 ulValue;
		PRT_HIGH_THROUGHPUT	pHTInfo = priv->ieee80211->pHTInfo;
		ulValue = (pHTInfo->UsbRxFwAggrEn<<24) | (pHTInfo->UsbRxFwAggrPageNum<<16) |
					(pHTInfo->UsbRxFwAggrPacketNum<<8) | (pHTInfo->UsbRxFwAggrTimeout);
		/*
		 * If usb rx firmware aggregation is enabled,
		 * when anyone of three threshold conditions above is reached,
		 * firmware will send aggregated packet to driver.
		 */
		write_nic_dword(dev, 0x1a8, ulValue);
		priv->bCurrentRxAggrEnable = true;
	}
#endif

	rtl8192_phy_configmac(dev);

	if (priv->card_8192_version == (u8) VERSION_819xU_A)
	{
		rtl8192_phy_getTxPower(dev);
		rtl8192_phy_setTxPower(dev, priv->chan);
	}

	//Firmware download
	init_status = init_firmware(dev);
	if(!init_status)
	{
		RT_TRACE(COMP_ERR,"ERR!!! %s(): Firmware download is failed\n", __FUNCTION__);
		return init_status;
	}
	RT_TRACE(COMP_INIT, "%s():after firmware download\n", __FUNCTION__);
	//
#ifdef TO_DO_LIST
if(Adapter->ResetProgress == RESET_TYPE_NORESET)
	{
		if(pMgntInfo->RegRfOff == TRUE)
		{ // User disable RF via registry.
			RT_TRACE((COMP_INIT|COMP_RF), DBG_LOUD, ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n"));
			MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW);
			// Those action will be discard in MgntActSet_RF_State because off the same state
			for(eRFPath = 0; eRFPath <pHalData->NumTotalRFPath; eRFPath++)
				PHY_SetRFReg(Adapter, (RF90_RADIO_PATH_E)eRFPath, 0x4, 0xC00, 0x0);
		}
		else if(pMgntInfo->RfOffReason > RF_CHANGE_BY_PS)
		{ // H/W or S/W RF OFF before sleep.
			RT_TRACE((COMP_INIT|COMP_RF), DBG_LOUD, ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n", pMgntInfo->RfOffReason));
			MgntActSet_RF_State(Adapter, eRfOff, pMgntInfo->RfOffReason);
		}
		else
		{
			pHalData->eRFPowerState = eRfOn;
			pMgntInfo->RfOffReason = 0;
			RT_TRACE((COMP_INIT|COMP_RF), DBG_LOUD, ("InitializeAdapter819xUsb(): RF is on ----------\n"));
		}
	}
	else
	{
		if(pHalData->eRFPowerState == eRfOff)
		{
			MgntActSet_RF_State(Adapter, eRfOff, pMgntInfo->RfOffReason);
			// Those action will be discard in MgntActSet_RF_State because off the same state
			for(eRFPath = 0; eRFPath <pHalData->NumTotalRFPath; eRFPath++)
				PHY_SetRFReg(Adapter, (RF90_RADIO_PATH_E)eRFPath, 0x4, 0xC00, 0x0);
		}
	}
#endif
	//config RF.
	if(priv->ResetProgress == RESET_TYPE_NORESET){
	rtl8192_phy_RFConfig(dev);
	RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __FUNCTION__);
	}


	if(priv->ieee80211->FwRWRF)
		// We can force firmware to do RF-R/W
		priv->Rf_Mode = RF_OP_By_FW;
	else
		priv->Rf_Mode = RF_OP_By_SW_3wire;


	rtl8192_phy_updateInitGain(dev);
	/*--set CCK and OFDM Block "ON"--*/
	rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
	rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);

	if(priv->ResetProgress == RESET_TYPE_NORESET)
	{
		//if D or C cut
		u8 tmpvalue = read_nic_byte(dev, 0x301);
		if(tmpvalue ==0x03)
		{
			priv->bDcut = TRUE;
			RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
		}
		else
		{
			priv->bDcut = FALSE;
			RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
		}
		dm_initialize_txpower_tracking(dev);

		if(priv->bDcut == TRUE)
		{
			u32 i, TempCCk;
			u32 tmpRegA= rtl8192_QueryBBReg(dev,rOFDM0_XATxIQImbalance,bMaskDWord);
		//	u32 tmpRegC= rtl8192_QueryBBReg(dev,rOFDM0_XCTxIQImbalance,bMaskDWord);
			for(i = 0; i<TxBBGainTableLength; i++)
			{
				if(tmpRegA == priv->txbbgain_table[i].txbbgain_value)
				{
					priv->rfa_txpowertrackingindex= (u8)i;
					priv->rfa_txpowertrackingindex_real= (u8)i;
					priv->rfa_txpowertracking_default= priv->rfa_txpowertrackingindex;
					break;
				}
			}

			TempCCk = rtl8192_QueryBBReg(dev, rCCK0_TxFilter1, bMaskByte2);

			for(i=0 ; i<CCKTxBBGainTableLength ; i++)
			{

				if(TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0])
				{
					priv->cck_present_attentuation_20Mdefault=(u8) i;
					break;
				}
			}
			priv->cck_present_attentuation_40Mdefault= 0;
			priv->cck_present_attentuation_difference= 0;
			priv->cck_present_attentuation = priv->cck_present_attentuation_20Mdefault;

	//		pMgntInfo->bTXPowerTracking = FALSE;//TEMPLY DISABLE
		}
	}
	write_nic_byte(dev, 0x87, 0x0);


#endif
	return init_status;
}

/* this configures registers for beacon tx and enables it via
 * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
 * be used to stop beacon transmission
 */
#if 0
void rtl8192_start_tx_beacon(struct net_device *dev)
{
	int i;
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	u16 word;
	DMESG("Enabling beacon TX");
	//write_nic_byte(dev, TX_CONF,0xe6);// TX_CONF
	//rtl8192_init_beacon(dev);
	//set_nic_txring(dev);
//	rtl8192_prepare_beacon(dev);
	rtl8192_irq_disable(dev);
//	rtl8192_beacon_tx_enable(dev);
	rtl8192_set_mode(dev,EPROM_CMD_CONFIG);
	//write_nic_byte(dev,0x9d,0x20); //DMA Poll
	//write_nic_word(dev,0x7a,0);
	//write_nic_word(dev,0x7a,0x8000);


	word  = read_nic_word(dev, BcnItv);
	word &= ~BcnItv_BcnItv; // clear Bcn_Itv
	write_nic_word(dev, BcnItv, word);

	write_nic_word(dev, AtimWnd,
		       read_nic_word(dev, AtimWnd) &~ AtimWnd_AtimWnd);

	word  = read_nic_word(dev, BCN_INTR_ITV);
	word &= ~BCN_INTR_ITV_MASK;

	//word |= priv->ieee80211->beacon_interval *
	//	((priv->txbeaconcount > 1)?(priv->txbeaconcount-1):1);
	// FIXME:FIXME check if correct ^^ worked with 0x3e8;

	write_nic_word(dev, BCN_INTR_ITV, word);

	//write_nic_word(dev,0x2e,0xe002);
	//write_nic_dword(dev,0x30,0xb8c7832e);
	for(i=0; i<ETH_ALEN; i++)
		write_nic_byte(dev, BSSID+i, priv->ieee80211->beacon_cell_ssid[i]);

//	rtl8192_update_msr(dev);


	//write_nic_byte(dev,CONFIG4,3); /* !!!!!!!!!! */

	rtl8192_set_mode(dev, EPROM_CMD_NORMAL);

	rtl8192_irq_enable(dev);

	/* VV !!!!!!!!!! VV*/
	/*
	rtl8192_set_mode(dev,EPROM_CMD_CONFIG);
	write_nic_byte(dev,0x9d,0x00);
	rtl8192_set_mode(dev,EPROM_CMD_NORMAL);
*/
}
#endif
/***************************************************************************
    -------------------------------NET STUFF---------------------------
***************************************************************************/

static struct net_device_stats *rtl8192_stats(struct net_device *dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);

	return &priv->ieee80211->stats;
}

bool
HalTxCheckStuck819xUsb(
	struct net_device *dev
	)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	u16 		RegTxCounter = read_nic_word(dev, 0x128);
	bool		bStuck = FALSE;
	RT_TRACE(COMP_RESET,"%s():RegTxCounter is %d,TxCounter is %d\n",__FUNCTION__,RegTxCounter,priv->TxCounter);
	if(priv->TxCounter==RegTxCounter)
		bStuck = TRUE;

	priv->TxCounter = RegTxCounter;

	return bStuck;
}

/*
*	<Assumption: RT_TX_SPINLOCK is acquired.>
*	First added: 2006.11.19 by emily
*/
RESET_TYPE
TxCheckStuck(struct net_device *dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	u8			QueueID;
//	PRT_TCB			pTcb;
//	u8			ResetThreshold;
	bool			bCheckFwTxCnt = false;
	//unsigned long flags;

	//
	// Decide Stuch threshold according to current power save mode
	//

//     RT_TRACE(COMP_RESET, " ==> TxCheckStuck()\n");
//	     PlatformAcquireSpinLock(Adapter, RT_TX_SPINLOCK);
//	     spin_lock_irqsave(&priv->ieee80211->lock,flags);
	     for (QueueID = 0; QueueID<=BEACON_QUEUE;QueueID ++)
	     {
	     		if(QueueID == TXCMD_QUEUE)
		         continue;
#if 1
#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
			if((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0) && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0) && (skb_queue_len(&priv->ieee80211->skb_drv_aggQ[QueueID]) == 0))
#else
		     	if((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0)  && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
#endif
			 	continue;
#endif

	             bCheckFwTxCnt = true;
	     }
//	     PlatformReleaseSpinLock(Adapter, RT_TX_SPINLOCK);
//	spin_unlock_irqrestore(&priv->ieee80211->lock,flags);
//	RT_TRACE(COMP_RESET,"bCheckFwTxCnt is %d\n",bCheckFwTxCnt);
#if 1
	if(bCheckFwTxCnt)
	{
		if(HalTxCheckStuck819xUsb(dev))
		{
			RT_TRACE(COMP_RESET, "TxCheckStuck(): Fw indicates no Tx condition! \n");
			return RESET_TYPE_SILENT;
		}
	}
#endif
	return RESET_TYPE_NORESET;
}

bool
HalRxCheckStuck819xUsb(struct net_device *dev)
{
	u16 	RegRxCounter = read_nic_word(dev, 0x130);
	struct r8192_priv *priv = ieee80211_priv(dev);
	bool bStuck = FALSE;
	static u8	rx_chk_cnt = 0;
	RT_TRACE(COMP_RESET,"%s(): RegRxCounter is %d,RxCounter is %d\n",__FUNCTION__,RegRxCounter,priv->RxCounter);
	// If rssi is small, we should check rx for long time because of bad rx.
	// or maybe it will continuous silent reset every 2 seconds.
	rx_chk_cnt++;
	if(priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High+5))
	{
		rx_chk_cnt = 0;	//high rssi, check rx stuck right now.
	}
	else if(priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High+5) &&
		((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_40M) ||
		(priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_20M)) )
	{
		if(rx_chk_cnt < 2)
		{
			return bStuck;
		}
		else
		{
			rx_chk_cnt = 0;
		}
	}
	else if(((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_40M) ||
		(priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_20M)) &&
		priv->undecorated_smoothed_pwdb >= VeryLowRSSI)
	{
		if(rx_chk_cnt < 4)
		{
			//DbgPrint("RSSI < %d && RSSI >= %d, no check this time \n", RateAdaptiveTH_Low, VeryLowRSSI);
			return bStuck;
		}
		else
		{
			rx_chk_cnt = 0;
			//DbgPrint("RSSI < %d && RSSI >= %d, check this time \n", RateAdaptiveTH_Low, VeryLowRSSI);
		}
	}
	else
	{
		if(rx_chk_cnt < 8)
		{
			//DbgPrint("RSSI <= %d, no check this time \n", VeryLowRSSI);
			return bStuck;
		}
		else
		{
			rx_chk_cnt = 0;
			//DbgPrint("RSSI <= %d, check this time \n", VeryLowRSSI);
		}
	}

	if(priv->RxCounter==RegRxCounter)
		bStuck = TRUE;

	priv->RxCounter = RegRxCounter;

	return bStuck;
}

RESET_TYPE
RxCheckStuck(struct net_device *dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	//int                     i;
	bool        bRxCheck = FALSE;

//       RT_TRACE(COMP_RESET," ==> RxCheckStuck()\n");
	//PlatformAcquireSpinLock(Adapter, RT_RX_SPINLOCK);

	 if(priv->IrpPendingCount > 1)
		bRxCheck = TRUE;
       //PlatformReleaseSpinLock(Adapter, RT_RX_SPINLOCK);

//       RT_TRACE(COMP_RESET,"bRxCheck is %d \n",bRxCheck);
	if(bRxCheck)
	{
		if(HalRxCheckStuck819xUsb(dev))
		{
			RT_TRACE(COMP_RESET, "RxStuck Condition\n");
			return RESET_TYPE_SILENT;
		}
	}
	return RESET_TYPE_NORESET;
}


/**
*	This function is called by Checkforhang to check whether we should ask OS to reset driver
*
*	\param pAdapter	The adapter context for this miniport
*
*	Note:NIC with USB interface sholud not call this function because we cannot scan descriptor
*	to judge whether there is tx stuck.
*	Note: This function may be required to be rewrite for Vista OS.
*	<<<Assumption: Tx spinlock has been acquired >>>
*
*	8185 and 8185b does not implement this function. This is added by Emily at 2006.11.24
*/
RESET_TYPE
rtl819x_ifcheck_resetornot(struct net_device *dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	RESET_TYPE	TxResetType = RESET_TYPE_NORESET;
	RESET_TYPE	RxResetType = RESET_TYPE_NORESET;
	RT_RF_POWER_STATE 	rfState;

	rfState = priv->ieee80211->eRFPowerState;

	TxResetType = TxCheckStuck(dev);
#if 1
	if( rfState != eRfOff ||
		/*ADAPTER_TEST_STATUS_FLAG(Adapter, ADAPTER_STATUS_FW_DOWNLOAD_FAILURE)) &&*/
		(priv->ieee80211->iw_mode != IW_MODE_ADHOC))
	{
		// If driver is in the status of firmware download failure , driver skips RF initialization and RF is
		// in turned off state. Driver should check whether Rx stuck and do silent reset. And
		// if driver is in firmware download failure status, driver should initialize RF in the following
		// silent reset procedure Emily, 2008.01.21

		// Driver should not check RX stuck in IBSS mode because it is required to
		// set Check BSSID in order to send beacon, however, if check BSSID is
		// set, STA cannot hear any packet a all. Emily, 2008.04.12
		RxResetType = RxCheckStuck(dev);
	}
#endif
	if(TxResetType==RESET_TYPE_NORMAL || RxResetType==RESET_TYPE_NORMAL)
		return RESET_TYPE_NORMAL;
	else if(TxResetType==RESET_TYPE_SILENT || RxResetType==RESET_TYPE_SILENT){
		RT_TRACE(COMP_RESET,"%s():silent reset\n",__FUNCTION__);
		return RESET_TYPE_SILENT;
	}
	else
		return RESET_TYPE_NORESET;

}

void rtl8192_cancel_deferred_work(struct r8192_priv* priv);
int _rtl8192_up(struct net_device *dev);
int rtl8192_close(struct net_device *dev);



void
CamRestoreAllEntry(	struct net_device *dev)
{
	u8 EntryId = 0;
	struct r8192_priv *priv = ieee80211_priv(dev);
	u8*	MacAddr = priv->ieee80211->current_network.bssid;

	static u8	CAM_CONST_ADDR[4][6] = {
		{0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
		{0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
		{0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
		{0x00, 0x00, 0x00, 0x00, 0x00, 0x03}};
	static u8	CAM_CONST_BROAD[] =
		{0xff, 0xff, 0xff, 0xff, 0xff, 0xff};

	RT_TRACE(COMP_SEC, "CamRestoreAllEntry: \n");


	if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40)||
	    (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104))
	{

		for(EntryId=0; EntryId<4; EntryId++)
		{
			{
				MacAddr = CAM_CONST_ADDR[EntryId];
				setKey(dev,
						EntryId ,
						EntryId,
						priv->ieee80211->pairwise_key_type,
						MacAddr,
						0,
						NULL);
			}
		}

	}
	else if(priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP)
	{

		{
			if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
				setKey(dev,
						4,
						0,
						priv->ieee80211->pairwise_key_type,
						(u8*)dev->dev_addr,
						0,
						NULL);
			else
				setKey(dev,
						4,
						0,
						priv->ieee80211->pairwise_key_type,
						MacAddr,
						0,
						NULL);
		}
	}
	else if(priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP)
	{

		{
			if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
				setKey(dev,
						4,
						0,
						priv->ieee80211->pairwise_key_type,
						(u8*)dev->dev_addr,
						0,
						NULL);
			else
				setKey(dev,
						4,
						0,
						priv->ieee80211->pairwise_key_type,
						MacAddr,
						0,
						NULL);
		}
	}



	if(priv->ieee80211->group_key_type == KEY_TYPE_TKIP)
	{
		MacAddr = CAM_CONST_BROAD;
		for(EntryId=1 ; EntryId<4 ; EntryId++)
		{
			{
				setKey(dev,
						EntryId,
						EntryId,
						priv->ieee80211->group_key_type,
						MacAddr,
						0,
						NULL);
			}
		}
		if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
				setKey(dev,
						0,
						0,
						priv->ieee80211->group_key_type,
						CAM_CONST_ADDR[0],
						0,
						NULL);
	}
	else if(priv->ieee80211->group_key_type == KEY_TYPE_CCMP)
	{
		MacAddr = CAM_CONST_BROAD;
		for(EntryId=1; EntryId<4 ; EntryId++)
		{
			{
				setKey(dev,
						EntryId ,
						EntryId,
						priv->ieee80211->group_key_type,
						MacAddr,
						0,
						NULL);
			}
		}

		if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
				setKey(dev,
						0 ,
						0,
						priv->ieee80211->group_key_type,
						CAM_CONST_ADDR[0],
						0,
						NULL);
	}
}
//////////////////////////////////////////////////////////////
// This function is used to fix Tx/Rx stop bug temporarily.
// This function will do "system reset" to NIC when Tx or Rx is stuck.
// The method checking Tx/Rx stuck of this function is supported by FW,
// which reports Tx and Rx counter to register 0x128 and 0x130.
//////////////////////////////////////////////////////////////
void
rtl819x_ifsilentreset(struct net_device *dev)
{
	//OCTET_STRING asocpdu;
	struct r8192_priv *priv = ieee80211_priv(dev);
	u8	reset_times = 0;
	int reset_status = 0;
	struct ieee80211_device *ieee = priv->ieee80211;


	// 2007.07.20. If we need to check CCK stop, please uncomment this line.
	//bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter);

	if(priv->ResetProgress==RESET_TYPE_NORESET)
	{
RESET_START:

		RT_TRACE(COMP_RESET,"=========>Reset progress!! \n");

		// Set the variable for reset.
		priv->ResetProgress = RESET_TYPE_SILENT;
//		rtl8192_close(dev);
#if 1
		down(&priv->wx_sem);
		if(priv->up == 0)
		{
			RT_TRACE(COMP_ERR,"%s():the driver is not up! return\n",__FUNCTION__);
			up(&priv->wx_sem);
			return ;
		}
		priv->up = 0;
		RT_TRACE(COMP_RESET,"%s():======>start to down the driver\n",__FUNCTION__);
//		if(!netif_queue_stopped(dev))
//			netif_stop_queue(dev);

		rtl8192_rtx_disable(dev);
		rtl8192_cancel_deferred_work(priv);
		deinit_hal_dm(dev);
		del_timer_sync(&priv->watch_dog_timer);

		ieee->sync_scan_hurryup = 1;
		if(ieee->state == IEEE80211_LINKED)
		{
			down(&ieee->wx_sem);
			printk("ieee->state is IEEE80211_LINKED\n");
			ieee80211_stop_send_beacons(priv->ieee80211);
			del_timer_sync(&ieee->associate_timer);
			#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
			cancel_delayed_work(&ieee->associate_retry_wq);
			#endif
			ieee80211_stop_scan(ieee);
			netif_carrier_off(dev);
			up(&ieee->wx_sem);
		}
		else{
			printk("ieee->state is NOT LINKED\n");
			ieee80211_softmac_stop_protocol(priv->ieee80211);			}
		up(&priv->wx_sem);
		RT_TRACE(COMP_RESET,"%s():<==========down process is finished\n",__FUNCTION__);
	//rtl8192_irq_disable(dev);
		RT_TRACE(COMP_RESET,"%s():===========>start to up the driver\n",__FUNCTION__);
		reset_status = _rtl8192_up(dev);

		RT_TRACE(COMP_RESET,"%s():<===========up process is finished\n",__FUNCTION__);
		if(reset_status == -EAGAIN)
		{
			if(reset_times < 3)
			{
				reset_times++;
				goto RESET_START;
			}
			else
			{
				RT_TRACE(COMP_ERR," ERR!!! %s():  Reset Failed!!\n", __FUNCTION__);
			}
		}
#endif
		ieee->is_silent_reset = 1;
#if 1
		EnableHWSecurityConfig8192(dev);
#if 1
		if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA)
		{
			ieee->set_chan(ieee->dev, ieee->current_network.channel);

#if 1
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
			queue_work(ieee->wq, &ieee->associate_complete_wq);
#else
			schedule_task(&ieee->associate_complete_wq);
#endif
#endif

		}
		else if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_ADHOC)
		{
			ieee->set_chan(ieee->dev, ieee->current_network.channel);
			ieee->link_change(ieee->dev);

		//	notify_wx_assoc_event(ieee);

			ieee80211_start_send_beacons(ieee);

			if (ieee->data_hard_resume)
				ieee->data_hard_resume(ieee->dev);
			netif_carrier_on(ieee->dev);
		}
#endif

		CamRestoreAllEntry(dev);

		priv->ResetProgress = RESET_TYPE_NORESET;
		priv->reset_count++;

		priv->bForcedSilentReset =false;
		priv->bResetInProgress = false;

		// For test --> force write UFWP.
		write_nic_byte(dev, UFWP, 1);
		RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n", priv->reset_count);
#endif
	}
}

void CAM_read_entry(
	struct net_device *dev,
	u32	 		iIndex
)
{
 	u32 target_command=0;
	 u32 target_content=0;
	 u8 entry_i=0;
	 u32 ulStatus;
	s32 i=100;
//	printk("=======>start read CAM\n");
 	for(entry_i=0;entry_i<CAM_CONTENT_COUNT;entry_i++)
 	{
   	// polling bit, and No Write enable, and address
		target_command= entry_i+CAM_CONTENT_COUNT*iIndex;
		target_command= target_command | BIT31;

	//Check polling bit is clear
//	mdelay(1);
#if 1
		while((i--)>=0)
		{
			ulStatus = read_nic_dword(dev, RWCAM);
			if(ulStatus & BIT31){
				continue;
			}
			else{
				break;
			}
		}
#endif
		write_nic_dword(dev, RWCAM, target_command);
		RT_TRACE(COMP_SEC,"CAM_read_entry(): WRITE A0: %x \n",target_command);
	 //	printk("CAM_read_entry(): WRITE A0: %lx \n",target_command);
		target_content = read_nic_dword(dev, RCAMO);
		RT_TRACE(COMP_SEC, "CAM_read_entry(): WRITE A8: %x \n",target_content);
	 //	printk("CAM_read_entry(): WRITE A8: %lx \n",target_content);
	}
	printk("\n");
}

void rtl819x_update_rxcounts(
	struct r8192_priv *priv,
	u32* TotalRxBcnNum,
	u32* TotalRxDataNum
)
{
	u16 			SlotIndex;
	u8			i;

	*TotalRxBcnNum = 0;
	*TotalRxDataNum = 0;

	SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++)%(priv->ieee80211->LinkDetectInfo.SlotNum);
	priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
	priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
	for( i=0; i<priv->ieee80211->LinkDetectInfo.SlotNum; i++ ){
		*TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
		*TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
	}
}


#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
extern	void	rtl819x_watchdog_wqcallback(struct work_struct *work)
{
	struct delayed_work *dwork = container_of(work,struct delayed_work,work);
       struct r8192_priv *priv = container_of(dwork,struct r8192_priv,watch_dog_wq);
       struct net_device *dev = priv->ieee80211->dev;
#else
extern	void	rtl819x_watchdog_wqcallback(struct net_device *dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
#endif
	struct ieee80211_device* ieee = priv->ieee80211;
	RESET_TYPE	ResetType = RESET_TYPE_NORESET;
	static u8	check_reset_cnt=0;
	bool bBusyTraffic = false;

	if(!priv->up)
		return;
	hal_dm_watchdog(dev);

	{//to get busy traffic condition
		if(ieee->state == IEEE80211_LINKED)
		{
			if(	ieee->LinkDetectInfo.NumRxOkInPeriod> 666 ||
				ieee->LinkDetectInfo.NumTxOkInPeriod> 666 ) {
				bBusyTraffic = true;
			}
			ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
			ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
			ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
		}
	}
	//added by amy for AP roaming
	{
		if(priv->ieee80211->state == IEEE80211_LINKED && priv->ieee80211->iw_mode == IW_MODE_INFRA)
		{
			u32	TotalRxBcnNum = 0;
			u32	TotalRxDataNum = 0;

			rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
			if((TotalRxBcnNum+TotalRxDataNum) == 0)
			{
				#ifdef TODO
				if(rfState == eRfOff)
					RT_TRACE(COMP_ERR,"========>%s()\n",__FUNCTION__);
				#endif
				printk("===>%s(): AP is power off,connect another one\n",__FUNCTION__);
			//	Dot11d_Reset(dev);
				priv->ieee80211->state = IEEE80211_ASSOCIATING;
				notify_wx_assoc_event(priv->ieee80211);
				RemovePeerTS(priv->ieee80211,priv->ieee80211->current_network.bssid);
				priv->ieee80211->link_change(dev);
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
                                queue_work(priv->ieee80211->wq, &priv->ieee80211->associate_procedure_wq);
#else
                                schedule_task(&priv->ieee80211->associate_procedure_wq);
#endif

			}
		}
		priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod=0;
		priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod=0;
	}
//	CAM_read_entry(dev,4);
	//check if reset the driver
	if(check_reset_cnt++ >= 3)
	{
    		ResetType = rtl819x_ifcheck_resetornot(dev);
		check_reset_cnt = 3;
		//DbgPrint("Start to check silent reset\n");
	}
	//	RT_TRACE(COMP_RESET,"%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",__FUNCTION__,priv->force_reset,priv->ResetProgress,priv->bForcedSilentReset,priv->bDisableNormalResetCheck,ResetType);
#if 1
	if( (priv->force_reset) || (priv->ResetProgress==RESET_TYPE_NORESET &&
		(priv->bForcedSilentReset ||
		(!priv->bDisableNormalResetCheck && ResetType==RESET_TYPE_SILENT)))) // This is control by OID set in Pomelo
	{
		RT_TRACE(COMP_RESET,"%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",__FUNCTION__,priv->force_reset,priv->ResetProgress,priv->bForcedSilentReset,priv->bDisableNormalResetCheck,ResetType);
		rtl819x_ifsilentreset(dev);
	}
#endif
	priv->force_reset = false;
	priv->bForcedSilentReset = false;
	priv->bResetInProgress = false;
	RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");

}

void watch_dog_timer_callback(unsigned long data)
{
	struct r8192_priv *priv = ieee80211_priv((struct net_device *) data);
	//printk("===============>watch_dog  timer\n");
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
	queue_delayed_work(priv->priv_wq,&priv->watch_dog_wq, 0);
#else
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
	schedule_task(&priv->watch_dog_wq);
#else
	queue_work(priv->priv_wq,&priv->watch_dog_wq);
#endif
#endif
	mod_timer(&priv->watch_dog_timer, jiffies + MSECS(IEEE80211_WATCH_DOG_TIME));
#if 0
	priv->watch_dog_timer.expires = jiffies + MSECS(IEEE80211_WATCH_DOG_TIME);
	add_timer(&priv->watch_dog_timer);
#endif
}
int _rtl8192_up(struct net_device *dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	//int i;
	int init_status = 0;
	priv->up=1;
	priv->ieee80211->ieee_up=1;
	RT_TRACE(COMP_INIT, "Bringing up iface");
	init_status = rtl8192_adapter_start(dev);
	if(!init_status)
	{
		RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n", __FUNCTION__);
		priv->up=priv->ieee80211->ieee_up = 0;
		return -EAGAIN;
	}
	RT_TRACE(COMP_INIT, "start adapter finished\n");
	rtl8192_rx_enable(dev);
//	rtl8192_tx_enable(dev);
	if(priv->ieee80211->state != IEEE80211_LINKED)
	ieee80211_softmac_start_protocol(priv->ieee80211);
	ieee80211_reset_queue(priv->ieee80211);
	watch_dog_timer_callback((unsigned long) dev);
	if(!netif_queue_stopped(dev))
		netif_start_queue(dev);
	else
		netif_wake_queue(dev);

	return 0;
}


int rtl8192_open(struct net_device *dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	int ret;
	down(&priv->wx_sem);
	ret = rtl8192_up(dev);
	up(&priv->wx_sem);
	return ret;

}


int rtl8192_up(struct net_device *dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);

	if (priv->up == 1) return -1;

	return _rtl8192_up(dev);
}


int rtl8192_close(struct net_device *dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	int ret;

	down(&priv->wx_sem);

	ret = rtl8192_down(dev);

	up(&priv->wx_sem);

	return ret;

}

int rtl8192_down(struct net_device *dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	int i;

	if (priv->up == 0) return -1;

	priv->up=0;
	priv->ieee80211->ieee_up = 0;
	RT_TRACE(COMP_DOWN, "==========>%s()\n", __FUNCTION__);
/* FIXME */
	if (!netif_queue_stopped(dev))
		netif_stop_queue(dev);

	rtl8192_rtx_disable(dev);
	//rtl8192_irq_disable(dev);

 /* Tx related queue release */
	for(i = 0; i < MAX_QUEUE_SIZE; i++) {
		skb_queue_purge(&priv->ieee80211->skb_waitQ [i]);
	}
	for(i = 0; i < MAX_QUEUE_SIZE; i++) {
		skb_queue_purge(&priv->ieee80211->skb_aggQ [i]);
	}

	for(i = 0; i < MAX_QUEUE_SIZE; i++) {
		skb_queue_purge(&priv->ieee80211->skb_drv_aggQ [i]);
	}

	//as cancel_delayed_work will del work->timer, so if work is not definedas struct delayed_work, it will corrupt
//	flush_scheduled_work();
	rtl8192_cancel_deferred_work(priv);
	deinit_hal_dm(dev);
	del_timer_sync(&priv->watch_dog_timer);


	ieee80211_softmac_stop_protocol(priv->ieee80211);
	memset(&priv->ieee80211->current_network, 0 , offsetof(struct ieee80211_network, list));
	RT_TRACE(COMP_DOWN, "<==========%s()\n", __FUNCTION__);

		return 0;
}


void rtl8192_commit(struct net_device *dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	int reset_status = 0;
	//u8 reset_times = 0;
	if (priv->up == 0) return ;
	priv->up = 0;

	rtl8192_cancel_deferred_work(priv);
	del_timer_sync(&priv->watch_dog_timer);
	//cancel_delayed_work(&priv->SwChnlWorkItem);

	ieee80211_softmac_stop_protocol(priv->ieee80211);

	//rtl8192_irq_disable(dev);
	rtl8192_rtx_disable(dev);
	reset_status = _rtl8192_up(dev);

}

/*
void rtl8192_restart(struct net_device *dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
*/
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20))
void rtl8192_restart(struct work_struct *work)
{
	struct r8192_priv *priv = container_of(work, struct r8192_priv, reset_wq);
	struct net_device *dev = priv->ieee80211->dev;
#else
void rtl8192_restart(struct net_device *dev)
{

	struct r8192_priv *priv = ieee80211_priv(dev);
#endif

	down(&priv->wx_sem);

	rtl8192_commit(dev);

	up(&priv->wx_sem);
}

static void r8192_set_multicast(struct net_device *dev)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	short promisc;

	//down(&priv->wx_sem);

	/* FIXME FIXME */

	promisc = (dev->flags & IFF_PROMISC) ? 1:0;

	if (promisc != priv->promisc)
	//	rtl8192_commit(dev);

	priv->promisc = promisc;

	//schedule_work(&priv->reset_wq);
	//up(&priv->wx_sem);
}


int r8192_set_mac_adr(struct net_device *dev, void *mac)
{
	struct r8192_priv *priv = ieee80211_priv(dev);
	struct sockaddr *addr = mac;

	down(&priv->wx_sem);

	memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);

#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
	schedule_work(&priv->reset_wq);
#else
	schedule_task(&priv->reset_wq);
#endif
	up(&priv->wx_sem);

	return 0;
}

/* based on ipw2200 driver */
int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	struct iwreq *wrq = (struct iwreq *)rq;
	int ret=-1;
	struct ieee80211_device *ieee = priv->ieee80211;
	u32 key[4];
	u8 broadcast_addr[6] = {0xff,0xff,0xff,0xff,0xff,0xff};
	struct iw_point *p = &wrq->u.data;
	struct ieee_param *ipw = NULL;//(struct ieee_param *)wrq->u.data.pointer;

	down(&priv->wx_sem);


     if (p->length < sizeof(struct ieee_param) || !p->pointer){
	     ret = -EINVAL;
	     goto out;
	}

     ipw = (struct ieee_param *)kmalloc(p->length, GFP_KERNEL);
     if (ipw == NULL){
	     ret = -ENOMEM;
	     goto out;
     }
     if (copy_from_user(ipw, p->pointer, p->length)) {
		kfree(ipw);
	    ret = -EFAULT;
	    goto out;
	}

	switch (cmd) {
	    case RTL_IOCTL_WPA_SUPPLICANT:
	//parse here for HW security
			if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION)
			{
				if (ipw->u.crypt.set_tx)
				{
					if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
						ieee->pairwise_key_type = KEY_TYPE_CCMP;
					else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
						ieee->pairwise_key_type = KEY_TYPE_TKIP;
					else if (strcmp(ipw->u.crypt.alg, "WEP") == 0)
					{
						if (ipw->u.crypt.key_len == 13)
							ieee->pairwise_key_type = KEY_TYPE_WEP104;
						else if (ipw->u.crypt.key_len == 5)
							ieee->pairwise_key_type = KEY_TYPE_WEP40;
					}
					else
						ieee->pairwise_key_type = KEY_TYPE_NA;

					if (ieee->pairwise_key_type)
					{
						memcpy((u8*)key, ipw->u.crypt.key, 16);
						EnableHWSecurityConfig8192(dev);
					//we fill both index entry and 4th entry for pairwise key as in IPW interface, adhoc will only get here, so we need index entry for its default key serching!
					//added by WB.
						setKey(dev, 4, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key);
						if (ieee->auth_mode != 2)
						setKey(dev, ipw->u.crypt.idx, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key);
					}
				}
				else //if (ipw->u.crypt.idx) //group key use idx > 0
				{
					memcpy((u8*)key, ipw->u.crypt.key, 16);
					if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
						ieee->group_key_type= KEY_TYPE_CCMP;
					else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
						ieee->group_key_type = KEY_TYPE_TKIP;
					else if (strcmp(ipw->u.crypt.alg, "WEP") == 0)
					{
						if (ipw->u.crypt.key_len == 13)
							ieee->group_key_type = KEY_TYPE_WEP104;
						else if (ipw->u.crypt.key_len == 5)
							ieee->group_key_type = KEY_TYPE_WEP40;
					}
					else
						ieee->group_key_type = KEY_TYPE_NA;

					if (ieee->group_key_type)
					{
							setKey(	dev,
								ipw->u.crypt.idx,
								ipw->u.crypt.idx,		//KeyIndex
						     		ieee->group_key_type,	//KeyType
						            	broadcast_addr,	//MacAddr
								0,		//DefaultKey
							      	key);		//KeyContent
					}
				}
			}
#ifdef JOHN_HWSEC_DEBUG
		//john's test 0711
		printk("@@ wrq->u pointer = ");
		for(i=0;i<wrq->u.data.length;i++){
			if(i%10==0) printk("\n");
			printk( "%8x|", ((u32*)wrq->u.data.pointer)[i] );
		}
		printk("\n");
#endif /*JOHN_HWSEC_DEBUG*/
		ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, &wrq->u.data);
		break;

	    default:
		ret = -EOPNOTSUPP;
		break;
	}
	kfree(ipw);
	ipw = NULL;
out:
	up(&priv->wx_sem);
	return ret;
}

u8 HwRateToMRate90(bool bIsHT, u8 rate)
{
	u8  ret_rate = 0xff;

	if(!bIsHT) {
		switch(rate) {
			case DESC90_RATE1M:   ret_rate = MGN_1M;         break;
			case DESC90_RATE2M:   ret_rate = MGN_2M;         break;
			case DESC90_RATE5_5M: ret_rate = MGN_5_5M;       break;
			case DESC90_RATE11M:  ret_rate = MGN_11M;        break;
			case DESC90_RATE6M:   ret_rate = MGN_6M;         break;
			case DESC90_RATE9M:   ret_rate = MGN_9M;         break;
			case DESC90_RATE12M:  ret_rate = MGN_12M;        break;
			case DESC90_RATE18M:  ret_rate = MGN_18M;        break;
			case DESC90_RATE24M:  ret_rate = MGN_24M;        break;
			case DESC90_RATE36M:  ret_rate = MGN_36M;        break;
			case DESC90_RATE48M:  ret_rate = MGN_48M;        break;
			case DESC90_RATE54M:  ret_rate = MGN_54M;        break;

			default:
				ret_rate = 0xff;
				RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate, bIsHT);
				break;
		}

	} else {
		switch(rate) {
			case DESC90_RATEMCS0:   ret_rate = MGN_MCS0;    break;
			case DESC90_RATEMCS1:   ret_rate = MGN_MCS1;    break;
			case DESC90_RATEMCS2:   ret_rate = MGN_MCS2;    break;
			case DESC90_RATEMCS3:   ret_rate = MGN_MCS3;    break;
			case DESC90_RATEMCS4:   ret_rate = MGN_MCS4;    break;
			case DESC90_RATEMCS5:   ret_rate = MGN_MCS5;    break;
			case DESC90_RATEMCS6:   ret_rate = MGN_MCS6;    break;
			case DESC90_RATEMCS7:   ret_rate = MGN_MCS7;    break;
			case DESC90_RATEMCS8:   ret_rate = MGN_MCS8;    break;
			case DESC90_RATEMCS9:   ret_rate = MGN_MCS9;    break;
			case DESC90_RATEMCS10:  ret_rate = MGN_MCS10;   break;
			case DESC90_RATEMCS11:  ret_rate = MGN_MCS11;   break;
			case DESC90_RATEMCS12:  ret_rate = MGN_MCS12;   break;
			case DESC90_RATEMCS13:  ret_rate = MGN_MCS13;   break;
			case DESC90_RATEMCS14:  ret_rate = MGN_MCS14;   break;
			case DESC90_RATEMCS15:  ret_rate = MGN_MCS15;   break;
			case DESC90_RATEMCS32:  ret_rate = (0x80|0x20); break;

			default:
				ret_rate = 0xff;
				RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",rate, bIsHT);
				break;
		}
	}

	return ret_rate;
}

/**
 * Function:     UpdateRxPktTimeStamp
 * Overview:     Recored down the TSF time stamp when receiving a packet
 *
 * Input:
 *       PADAPTER        Adapter
 *       PRT_RFD         pRfd,
 *
 * Output:
 *       PRT_RFD         pRfd
 *                               (pRfd->Status.TimeStampHigh is updated)
 *                               (pRfd->Status.TimeStampLow is updated)
 * Return:
 *               None
 */
void UpdateRxPktTimeStamp8190 (struct net_device *dev, struct ieee80211_rx_stats *stats)
{
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);

	if(stats->bIsAMPDU && !stats->bFirstMPDU) {
		stats->mac_time[0] = priv->LastRxDescTSFLow;
		stats->mac_time[1] = priv->LastRxDescTSFHigh;
	} else {
		priv->LastRxDescTSFLow = stats->mac_time[0];
		priv->LastRxDescTSFHigh = stats->mac_time[1];
	}
}

//by amy 080606

long rtl819x_translate_todbm(u8 signal_strength_index	)// 0-100 index.
{
	long	signal_power; // in dBm.

	// Translate to dBm (x=0.5y-95).
	signal_power = (long)((signal_strength_index + 1) >> 1);
	signal_power -= 95;

	return signal_power;
}


/* 2008/01/22 MH We can not delcare RSSI/EVM total value of sliding window to
    be a local static. Otherwise, it may increase when we return from S3/S4. The
    value will be kept in memory or disk. We must delcare the value in adapter
    and it will be reinitialized when return from S3/S4. */
void rtl8192_process_phyinfo(struct r8192_priv * priv,u8* buffer, struct ieee80211_rx_stats * pprevious_stats, struct ieee80211_rx_stats * pcurrent_stats)
{
	bool bcheck = false;
	u8	rfpath;
	u32	nspatial_stream, tmp_val;
	//u8	i;
	static u32 slide_rssi_index=0, slide_rssi_statistics=0;
	static u32 slide_evm_index=0, slide_evm_statistics=0;
	static u32 last_rssi=0, last_evm=0;

	static u32 slide_beacon_adc_pwdb_index=0, slide_beacon_adc_pwdb_statistics=0;
	static u32 last_beacon_adc_pwdb=0;

	struct ieee80211_hdr_3addr *hdr;
	u16 sc ;
	unsigned int frag,seq;
	hdr = (struct ieee80211_hdr_3addr *)buffer;
	sc = le16_to_cpu(hdr->seq_ctl);
	frag = WLAN_GET_SEQ_FRAG(sc);
	seq = WLAN_GET_SEQ_SEQ(sc);
	//cosa add 04292008 to record the sequence number
	pcurrent_stats->Seq_Num = seq;
	//
	// Check whether we should take the previous packet into accounting
	//
	if(!pprevious_stats->bIsAMPDU)
	{
		// if previous packet is not aggregated packet
		bcheck = true;
	}else
	{
	#if 0
		// if previous packet is aggregated packet, and current packet
		//  (1) is not AMPDU
		//  (2) is the first packet of one AMPDU
		// that means the previous packet is the last one aggregated packet
		if( !pcurrent_stats->bIsAMPDU || pcurrent_stats->bFirstMPDU)
			bcheck = true;
	#endif
	}


	if(slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX)
	{
		slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
		last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
		priv->stats.slide_rssi_total -= last_rssi;
	}
	priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;

	priv->stats.slide_signal_strength[slide_rssi_index++] = pprevious_stats->SignalStrength;
	if(slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
		slide_rssi_index = 0;

	// <1> Showed on UI for user, in dbm
	tmp_val = priv->stats.slide_rssi_total/slide_rssi_statistics;
	priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
	pcurrent_stats->rssi = priv->stats.signal_strength;
	//
	// If the previous packet does not match the criteria, neglect it
	//
	if(!pprevious_stats->bPacketMatchBSSID)
	{
		if(!pprevious_stats->bToSelfBA)
			return;
	}

	if(!bcheck)
		return;


	//rtl8190_process_cck_rxpathsel(priv,pprevious_stats);//only rtl8190 supported

	//
	// Check RSSI
	//
	priv->stats.num_process_phyinfo++;

	/* record the general signal strength to the sliding window. */


	// <2> Showed on UI for engineering
	// hardware does not provide rssi information for each rf path in CCK
	if(!pprevious_stats->bIsCCK && (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA))
	{
		for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++)
		{
		     if (!rtl8192_phy_CheckIsLegalRFPath(priv->ieee80211->dev, rfpath))
				 continue;

			//Fixed by Jacken 2008-03-20
			if(priv->stats.rx_rssi_percentage[rfpath] == 0)
			{
				priv->stats.rx_rssi_percentage[rfpath] = pprevious_stats->RxMIMOSignalStrength[rfpath];
				//DbgPrint("MIMO RSSI initialize \n");
			}
			if(pprevious_stats->RxMIMOSignalStrength[rfpath]  > priv->stats.rx_rssi_percentage[rfpath])
			{
				priv->stats.rx_rssi_percentage[rfpath] =
					( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
					(pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
				priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath]  + 1;
			}
			else
			{
				priv->stats.rx_rssi_percentage[rfpath] =
					( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
					(pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
			}
			RT_TRACE(COMP_DBG,"priv->stats.rx_rssi_percentage[rfPath]  = %d \n" ,priv->stats.rx_rssi_percentage[rfpath] );
		}
	}


	//
	// Check PWDB.
	//
	RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
				pprevious_stats->bIsCCK? "CCK": "OFDM",
				pprevious_stats->RxPWDBAll);

	if(pprevious_stats->bPacketBeacon)
	{
/* record the beacon pwdb to the sliding window. */
		if(slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX)
		{
			slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
			last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
			priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
			//DbgPrint("slide_beacon_adc_pwdb_index = %d, last_beacon_adc_pwdb = %d, Adapter->RxStats.Slide_Beacon_Total = %d\n",
			//	slide_beacon_adc_pwdb_index, last_beacon_adc_pwdb, Adapter->RxStats.Slide_Beacon_Total);
		}
		priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
		priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
		//DbgPrint("slide_beacon_adc_pwdb_index = %d, pPreviousRfd->Status.RxPWDBAll = %d\n", slide_beacon_adc_pwdb_index, pPreviousRfd->Status.RxPWDBAll);
		slide_beacon_adc_pwdb_index++;
		if(slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
			slide_beacon_adc_pwdb_index = 0;
		pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total/slide_beacon_adc_pwdb_statistics;
		if(pprevious_stats->RxPWDBAll >= 3)
			pprevious_stats->RxPWDBAll -= 3;
	}

	RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
				pprevious_stats->bIsCCK? "CCK": "OFDM",
				pprevious_stats->RxPWDBAll);


	if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
	{
		if(priv->undecorated_smoothed_pwdb < 0)	// initialize
		{
			priv->undecorated_smoothed_pwdb = pprevious_stats->RxPWDBAll;
			//DbgPrint("First pwdb initialize \n");
		}
#if 1
		if(pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb)
		{
			priv->undecorated_smoothed_pwdb =
					( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
					(pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
			priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
		}
		else
		{
			priv->undecorated_smoothed_pwdb =
					( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
					(pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
		}
#else
		//Fixed by Jacken 2008-03-20
		if(pPreviousRfd->Status.RxPWDBAll > (u32)pHalData->UndecoratedSmoothedPWDB)
		{
			pHalData->UndecoratedSmoothedPWDB =
					( ((pHalData->UndecoratedSmoothedPWDB)* 5) + (pPreviousRfd->Status.RxPWDBAll)) / 6;
			pHalData->UndecoratedSmoothedPWDB = pHalData->UndecoratedSmoothedPWDB + 1;
		}
		else
		{
			pHalData->UndecoratedSmoothedPWDB =
					( ((pHalData->UndecoratedSmoothedPWDB)* 5) + (pPreviousRfd->Status.RxPWDBAll)) / 6;
		}
#endif

	}

	//
	// Check EVM
	//
	/* record the general EVM to the sliding window. */
	if(pprevious_stats->SignalQuality == 0)
	{
	}
	else
	{
		if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA){
			if(slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX){
				slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
				last_evm = priv->stats.slide_evm[slide_evm_index];
				priv->stats.slide_evm_total -= last_evm;
			}

			priv->stats.slide_evm_total += pprevious_stats->SignalQuality;

			priv->stats.slide_evm[slide_evm_index++] = pprevious_stats->SignalQuality;
			if(slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
				slide_evm_index = 0;

			// <1> Showed on UI for user, in percentage.
			tmp_val = priv->stats.slide_evm_total/slide_evm_statistics;
			priv->stats.signal_quality = tmp_val;
			//cosa add 10/11/2007, Showed on UI for user in Windows Vista, for Link quality.
			priv->stats.last_signal_strength_inpercent = tmp_val;
		}

		// <2> Showed on UI for engineering
		if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
		{
			for(nspatial_stream = 0; nspatial_stream<2 ; nspatial_stream++) // 2 spatial stream
			{
				if(pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1)
				{
					if(priv->stats.rx_evm_percentage[nspatial_stream] == 0)	// initialize
					{
						priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
					}
					priv->stats.rx_evm_percentage[nspatial_stream] =
						( (priv->stats.rx_evm_percentage[nspatial_stream]* (Rx_Smooth_Factor-1)) +
						(pprevious_stats->RxMIMOSignalQuality[nspatial_stream]* 1)) / (Rx_Smooth_Factor);
				}
			}
		}
	}


}

/*-----------------------------------------------------------------------------
 * Function:	rtl819x_query_rxpwrpercentage()
 *
 * Overview:
 *
 * Input:		char		antpower
 *
 * Output:		NONE
 *
 * Return:		0-100 percentage
 *
 * Revised History:
 *	When		Who		Remark
 *	05/26/2008	amy		Create Version 0 porting from windows code.
 *
 *---------------------------------------------------------------------------*/
static u8 rtl819x_query_rxpwrpercentage(
	char		antpower
	)
{
	if ((antpower <= -100) || (antpower >= 20))
	{
		return	0;
	}
	else if (antpower >= 0)
	{
		return	100;
	}
	else
	{
		return	(100+antpower);
	}

}	/* QueryRxPwrPercentage */

static u8
rtl819x_evm_dbtopercentage(
    char value
    )
{
    char ret_val;

    ret_val = value;

    if(ret_val >= 0)
        ret_val = 0;
    if(ret_val <= -33)
        ret_val = -33;
    ret_val = 0 - ret_val;
    ret_val*=3;
	if(ret_val == 99)
		ret_val = 100;
    return(ret_val);
}
//
//	Description:
// 	We want good-looking for signal strength/quality
//	2007/7/19 01:09, by cosa.
//
long
rtl819x_signal_scale_mapping(
	long currsig
	)
{
	long retsig;

	// Step 1. Scale mapping.
	if(currsig >= 61 && currsig <= 100)
	{
		retsig = 90 + ((currsig - 60) / 4);
	}
	else if(currsig >= 41 && currsig <= 60)
	{
		retsig = 78 + ((currsig - 40) / 2);
	}
	else if(currsig >= 31 && currsig <= 40)
	{
		retsig = 66 + (currsig - 30);
	}
	else if(currsig >= 21 && currsig <= 30)
	{
		retsig = 54 + (currsig - 20);
	}
	else if(currsig >= 5 && currsig <= 20)
	{
		retsig = 42 + (((currsig - 5) * 2) / 3);
	}
	else if(currsig == 4)
	{
		retsig = 36;
	}
	else if(currsig == 3)
	{
		retsig = 27;
	}
	else if(currsig == 2)
	{
		retsig = 18;
	}
	else if(currsig == 1)
	{
		retsig = 9;
	}
	else
	{
		retsig = currsig;
	}

	return retsig;
}

static void rtl8192_query_rxphystatus(
	struct r8192_priv * priv,
	struct ieee80211_rx_stats * pstats,
	rx_drvinfo_819x_usb  * pdrvinfo,
	struct ieee80211_rx_stats * precord_stats,
	bool bpacket_match_bssid,
	bool bpacket_toself,
	bool bPacketBeacon,
	bool bToSelfBA
	)
{
	//PRT_RFD_STATUS		pRtRfdStatus = &(pRfd->Status);
	phy_sts_ofdm_819xusb_t*	pofdm_buf;
	phy_sts_cck_819xusb_t	*	pcck_buf;
	phy_ofdm_rx_status_rxsc_sgien_exintfflag* prxsc;
	u8				*prxpkt;
	u8				i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
	char				rx_pwr[4], rx_pwr_all=0;
	//long				rx_avg_pwr = 0;
	char				rx_snrX, rx_evmX;
	u8				evm, pwdb_all;
	u32				RSSI, total_rssi=0;//, total_evm=0;
//	long				signal_strength_index = 0;
	u8				is_cck_rate=0;
	u8				rf_rx_num = 0;


	priv->stats.numqry_phystatus++;

	is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);

	// Record it for next packet processing
	memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
	pstats->bPacketMatchBSSID = precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
	pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
	pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;//RX_HAL_IS_CCK_RATE(pDrvInfo);
	pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
	pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;

	prxpkt = (u8*)pdrvinfo;

	/* Move pointer to the 16th bytes. Phy status start address. */
	prxpkt += sizeof(rx_drvinfo_819x_usb);

	/* Initial the cck and ofdm buffer pointer */
	pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
	pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;

	pstats->RxMIMOSignalQuality[0] = -1;
	pstats->RxMIMOSignalQuality[1] = -1;
	precord_stats->RxMIMOSignalQuality[0] = -1;
	precord_stats->RxMIMOSignalQuality[1] = -1;

	if(is_cck_rate)
	{
		//
		// (1)Hardware does not provide RSSI for CCK
		//

		//
		// (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
		//
		u8 report;//, cck_agc_rpt;

		priv->stats.numqry_phystatusCCK++;

		if(!priv->bCckHighPower)
		{
			report = pcck_buf->cck_agc_rpt & 0xc0;
			report = report>>6;
			switch(report)
			{
				//Fixed by Jacken from Bryant 2008-03-20
				//Original value is -38 , -26 , -14 , -2
				//Fixed value is -35 , -23 , -11 , 6
				case 0x3:
					rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
					break;
				case 0x2:
					rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
					break;
				case 0x1:
					rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
					break;
				case 0x0:
					rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
					break;
			}
		}
		else
		{
			report = pcck_buf->cck_agc_rpt & 0x60;
			report = report>>5;
			switch(report)
			{
				case 0x3:
					rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
					break;
				case 0x2:
					rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1);
					break;
				case 0x1:
					rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
					break;
				case 0x0:
					rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
					break;
			}
		}

		pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
		pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
		pstats->RecvSignalPower = pwdb_all;

		//
		// (3) Get Signal Quality (EVM)
		//
		//if(bpacket_match_bssid)
		{
			u8	sq;

			if(pstats->RxPWDBAll > 40)
			{
				sq = 100;
			}else
			{
				sq = pcck_buf->sq_rpt;

				if(pcck_buf->sq_rpt > 64)
					sq = 0;
				else if (pcck_buf->sq_rpt < 20)
					sq = 100;
				else
					sq = ((64-sq) * 100) / 44;
			}
			pstats->SignalQuality = precord_stats->SignalQuality = sq;
			pstats->RxMIMOSignalQuality[0] = precord_stats->RxMIMOSignalQuality[0] = sq;
			pstats->RxMIMOSignalQuality[1] = precord_stats->RxMIMOSignalQuality[1] = -1;
		}
	}
	else
	{
		priv->stats.numqry_phystatusHT++;
		//
		// (1)Get RSSI for HT rate
		//
		for(i=RF90_PATH_A; i<priv->NumTotalRFPath; i++)
		{
			// 2008/01/30 MH we will judge RF RX path now.
			if (priv->brfpath_rxenable[i])
				rf_rx_num++;
			else
				continue;

		if (!rtl8192_phy_CheckIsLegalRFPath(priv->ieee80211->dev, i))
				continue;

			//Fixed by Jacken from Bryant 2008-03-20
			//Original value is 106
			rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 106;

			//Get Rx snr value in DB
			tmp_rxsnr =	pofdm_buf->rxsnr_X[i];
			rx_snrX = (char)(tmp_rxsnr);
			//rx_snrX >>= 1;;
			rx_snrX /= 2;
			priv->stats.rxSNRdB[i] = (long)rx_snrX;

			/* Translate DBM to percentage. */
			RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
			total_rssi += RSSI;

			/* Record Signal Strength for next packet */
			//if(bpacket_match_bssid)
			{
				pstats->RxMIMOSignalStrength[i] =(u8) RSSI;
				precord_stats->RxMIMOSignalStrength[i] =(u8) RSSI;
			}
		}


		//
		// (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
		//
		//Fixed by Jacken from Bryant 2008-03-20
		//Original value is 106
		rx_pwr_all = (((pofdm_buf->pwdb_all ) >> 1 )& 0x7f) -106;
		pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);

		pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
		pstats->RxPower = precord_stats->RxPower =  rx_pwr_all;

		//
		// (3)EVM of HT rate
		//
		if(pdrvinfo->RxHT && pdrvinfo->RxRate>=DESC90_RATEMCS8 &&
			pdrvinfo->RxRate<=DESC90_RATEMCS15)
			max_spatial_stream = 2; //both spatial stream make sense
		else
			max_spatial_stream = 1; //only spatial stream 1 makes sense

		for(i=0; i<max_spatial_stream; i++)
		{
			tmp_rxevm =	pofdm_buf->rxevm_X[i];
			rx_evmX = (char)(tmp_rxevm);

			// Do not use shift operation like "rx_evmX >>= 1" because the compilor of free build environment
			// fill most significant bit to "zero" when doing shifting operation which may change a negative
			// value to positive one, then the dbm value (which is supposed to be negative)  is not correct anymore.
			rx_evmX /= 2;	//dbm

			evm = rtl819x_evm_dbtopercentage(rx_evmX);
#if 0
			EVM = SignalScaleMapping(EVM);//make it good looking, from 0~100
#endif
			//if(bpacket_match_bssid)
			{
				if(i==0) // Fill value in RFD, Get the first spatial stream only
					pstats->SignalQuality = precord_stats->SignalQuality = (u8)(evm & 0xff);
				pstats->RxMIMOSignalQuality[i] = precord_stats->RxMIMOSignalQuality[i] = (u8)(evm & 0xff);
			}
		}


		/* record rx statistics for debug */
		rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
		prxsc =	(phy_ofdm_rx_status_rxsc_sgien_exintfflag *)&rxsc_sgien_exflg;
		if(pdrvinfo->BW)	//40M channel
			priv->stats.received_bwtype[1+prxsc->rxsc]++;
		else				//20M channel
			priv->stats.received_bwtype[0]++;
	}

	//UI BSS List signal strength(in percentage), make it good looking, from 0~100.
	//It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp().
	if(is_cck_rate)
	{
		pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));//PWDB_ALL;

	}
	else
	{
		//pRfd->Status.SignalStrength = pRecordRfd->Status.SignalStrength = (u8)(SignalScaleMapping(total_rssi/=RF90_PATH_MAX));//(u8)(total_rssi/=RF90_PATH_MAX);
		// We can judge RX path number now.
		if (rf_rx_num != 0)
			pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)(total_rssi/=rf_rx_num)));
	}
}	/* QueryRxPhyStatus8190Pci */

void
rtl8192_record_rxdesc_forlateruse(
	struct ieee80211_rx_stats *	psrc_stats,
	struct ieee80211_rx_stats *	ptarget_stats
)
{
	ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
	ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
	ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
}


void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
				   struct ieee80211_rx_stats * pstats,
				   rx_drvinfo_819x_usb  *pdrvinfo)
{
	// TODO: We must only check packet for current MAC address. Not finish
	rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
	struct net_device *dev=info->dev;
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	bool bpacket_match_bssid, bpacket_toself;
	bool bPacketBeacon=FALSE, bToSelfBA=FALSE;
	static struct ieee80211_rx_stats  previous_stats;
	struct ieee80211_hdr_3addr *hdr;//by amy
       u16 fc,type;

	// Get Signal Quality for only RX data queue (but not command queue)

	u8* tmp_buf;
	//u16 tmp_buf_len = 0;
	u8  *praddr;

	/* Get MAC frame start address. */
	tmp_buf = (u8*)skb->data;// + get_rxpacket_shiftbytes_819xusb(pstats);

	hdr = (struct ieee80211_hdr_3addr *)tmp_buf;
	fc = le16_to_cpu(hdr->frame_ctl);
	type = WLAN_FC_GET_TYPE(fc);
	praddr = hdr->addr1;

	/* Check if the received packet is acceptabe. */
	bpacket_match_bssid = ((IEEE80211_FTYPE_CTL != type) &&
							(eqMacAddr(priv->ieee80211->current_network.bssid,  (fc & IEEE80211_FCTL_TODS)? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS )? hdr->addr2 : hdr->addr3))
								 && (!pstats->bHwError) && (!pstats->bCRC)&& (!pstats->bICV));
	bpacket_toself =  bpacket_match_bssid & (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr));

#if 1//cosa
		if(WLAN_FC_GET_FRAMETYPE(fc)== IEEE80211_STYPE_BEACON)
		{
			bPacketBeacon = true;
			//DbgPrint("Beacon 2, MatchBSSID = %d, ToSelf = %d \n", bPacketMatchBSSID, bPacketToSelf);
		}
		if(WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK)
		{
			if((eqMacAddr(praddr,dev->dev_addr)))
				bToSelfBA = true;
				//DbgPrint("BlockAck, MatchBSSID = %d, ToSelf = %d \n", bPacketMatchBSSID, bPacketToSelf);
		}

#endif


	if(bpacket_match_bssid)
	{
		priv->stats.numpacket_matchbssid++;
	}
	if(bpacket_toself){
		priv->stats.numpacket_toself++;
	}
	//
	// Process PHY information for previous packet (RSSI/PWDB/EVM)
	//
	// Because phy information is contained in the last packet of AMPDU only, so driver
	// should process phy information of previous packet
	rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
	rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats, bpacket_match_bssid,bpacket_toself,bPacketBeacon,bToSelfBA);
	rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);

}

/**
* Function:	UpdateReceivedRateHistogramStatistics
* Overview:	Recored down the received data rate
*
* Input:
* 	struct net_device *dev
*	struct ieee80211_rx_stats *stats
*
* Output:
*
*			(priv->stats.ReceivedRateHistogram[] is updated)
* Return:
*		None
*/
void
UpdateReceivedRateHistogramStatistics8190(
	struct net_device *dev,
	struct ieee80211_rx_stats *stats
	)
{
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	u32 rcvType=1;   //0: Total, 1:OK, 2:CRC, 3:ICV
	u32 rateIndex;
	u32 preamble_guardinterval;  //1: short preamble/GI, 0: long preamble/GI


	if(stats->bCRC)
	rcvType = 2;
	else if(stats->bICV)
	rcvType = 3;

	if(stats->bShortPreamble)
	preamble_guardinterval = 1;// short
	else
	preamble_guardinterval = 0;// long

	switch(stats->rate)
	{
		//
		// CCK rate
		//
		case MGN_1M:    rateIndex = 0;  break;
		case MGN_2M:    rateIndex = 1;  break;
		case MGN_5_5M:  rateIndex = 2;  break;
		case MGN_11M:   rateIndex = 3;  break;
		//
		// Legacy OFDM rate
		//
		case MGN_6M:    rateIndex = 4;  break;
		case MGN_9M:    rateIndex = 5;  break;
		case MGN_12M:   rateIndex = 6;  break;
		case MGN_18M:   rateIndex = 7;  break;
		case MGN_24M:   rateIndex = 8;  break;
		case MGN_36M:   rateIndex = 9;  break;
		case MGN_48M:   rateIndex = 10; break;
		case MGN_54M:   rateIndex = 11; break;
		//
		// 11n High throughput rate
		//
		case MGN_MCS0:  rateIndex = 12; break;
		case MGN_MCS1:  rateIndex = 13; break;
		case MGN_MCS2:  rateIndex = 14; break;
		case MGN_MCS3:  rateIndex = 15; break;
		case MGN_MCS4:  rateIndex = 16; break;
		case MGN_MCS5:  rateIndex = 17; break;
		case MGN_MCS6:  rateIndex = 18; break;
		case MGN_MCS7:  rateIndex = 19; break;
		case MGN_MCS8:  rateIndex = 20; break;
		case MGN_MCS9:  rateIndex = 21; break;
		case MGN_MCS10: rateIndex = 22; break;
		case MGN_MCS11: rateIndex = 23; break;
		case MGN_MCS12: rateIndex = 24; break;
		case MGN_MCS13: rateIndex = 25; break;
		case MGN_MCS14: rateIndex = 26; break;
		case MGN_MCS15: rateIndex = 27; break;
		default:        rateIndex = 28; break;
	}
    priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
    priv->stats.received_rate_histogram[0][rateIndex]++; //total
    priv->stats.received_rate_histogram[rcvType][rateIndex]++;
}


void query_rxdesc_status(struct sk_buff *skb, struct ieee80211_rx_stats *stats, bool bIsRxAggrSubframe)
{
	rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
	struct net_device *dev=info->dev;
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	//rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
	rx_drvinfo_819x_usb  *driver_info = NULL;

	//
	//Get Rx Descriptor Information
	//
#ifdef USB_RX_AGGREGATION_SUPPORT
	if (bIsRxAggrSubframe)
	{
		rx_desc_819x_usb_aggr_subframe *desc = (rx_desc_819x_usb_aggr_subframe *)skb->data;
		stats->Length = desc->Length ;
		stats->RxDrvInfoSize = desc->RxDrvInfoSize;
		stats->RxBufShift = 0; //RxBufShift = 2 in RxDesc, but usb didn't shift bytes in fact.
		stats->bICV = desc->ICV;
		stats->bCRC = desc->CRC32;
		stats->bHwError = stats->bCRC|stats->bICV;
		stats->Decrypted = !desc->SWDec;//RTL8190 set this bit to indicate that Hw does not decrypt packet
	} else
#endif
	{
		rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;

		stats->Length = desc->Length;
		stats->RxDrvInfoSize = desc->RxDrvInfoSize;
		stats->RxBufShift = 0;//desc->Shift&0x03;
		stats->bICV = desc->ICV;
		stats->bCRC = desc->CRC32;
		stats->bHwError = stats->bCRC|stats->bICV;
		//RTL8190 set this bit to indicate that Hw does not decrypt packet
		stats->Decrypted = !desc->SWDec;
	}

	if((priv->ieee80211->pHTInfo->bCurrentHTSupport == true) && (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
	{
		stats->bHwError = false;
	}
	else
	{
		stats->bHwError = stats->bCRC|stats->bICV;
	}

	if(stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
		stats->bHwError |= 1;
	//
	//Get Driver Info
	//
	// TODO: Need to verify it on FGPA platform
	//Driver info are written to the RxBuffer following rx desc
	if (stats->RxDrvInfoSize != 0) {
		driver_info = (rx_drvinfo_819x_usb *)(skb->data + sizeof(rx_desc_819x_usb) + \
				stats->RxBufShift);
		/* unit: 0.5M */
		/* TODO */
		if(!stats->bHwError){
			u8	ret_rate;
			ret_rate = HwRateToMRate90(driver_info->RxHT, driver_info->RxRate);
			if(ret_rate == 0xff)
			{
				// Abnormal Case: Receive CRC OK packet with Rx descriptor indicating non supported rate.
				// Special Error Handling here, 2008.05.16, by Emily

				stats->bHwError = 1;
				stats->rate = MGN_1M;	//Set 1M rate by default
			}else
			{
				stats->rate = ret_rate;
			}
		}
		else
			stats->rate = 0x02;

		stats->bShortPreamble = driver_info->SPLCP;


		UpdateReceivedRateHistogramStatistics8190(dev, stats);

		stats->bIsAMPDU = (driver_info->PartAggr==1);
		stats->bFirstMPDU = (driver_info->PartAggr==1) && (driver_info->FirstAGGR==1);
#if 0
		// TODO: it is debug only. It should be disabled in released driver. 2007.1.12 by Joseph
		UpdateRxAMPDUHistogramStatistics8190(Adapter, pRfd);
#endif
		stats->TimeStampLow = driver_info->TSFL;
		// xiong mask it, 070514
		//pRfd->Status.TimeStampHigh = PlatformEFIORead4Byte(Adapter, TSFR+4);
		// stats->TimeStampHigh = read_nic_dword(dev,  TSFR+4);

		UpdateRxPktTimeStamp8190(dev, stats);

		//
		// Rx A-MPDU
		//
		if(driver_info->FirstAGGR==1 || driver_info->PartAggr == 1)
			RT_TRACE(COMP_RXDESC, "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
					driver_info->FirstAGGR, driver_info->PartAggr);

	}

	skb_pull(skb,sizeof(rx_desc_819x_usb));
	//
	// Get Total offset of MPDU Frame Body
	//
	if((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
		stats->bShift = 1;
		skb_pull(skb,stats->RxBufShift + stats->RxDrvInfoSize);
	}

#ifdef USB_RX_AGGREGATION_SUPPORT
	/* for the rx aggregated sub frame, the redundant space truelly contained in the packet */
	if(bIsRxAggrSubframe) {
		skb_pull(skb, 8);
	}
#endif
	/* for debug 2008.5.29 */
#if 0
	{
		int i;
		printk("\n>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n");
		for(i = 0; i < skb->len; i++) {
			if(i % 10 == 0) printk("\n");
			printk("%02x ", skb->data[i]);
		}
		printk("\n<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n");
	}
#endif

	//added by vivi, for MP, 20080108
	stats->RxIs40MHzPacket = driver_info->BW;
	if(stats->RxDrvInfoSize != 0)
		TranslateRxSignalStuff819xUsb(skb, stats, driver_info);

}

u32 GetRxPacketShiftBytes819xUsb(struct ieee80211_rx_stats  *Status, bool bIsRxAggrSubframe)
{
#ifdef USB_RX_AGGREGATION_SUPPORT
	if (bIsRxAggrSubframe)
		return (sizeof(rx_desc_819x_usb) + Status->RxDrvInfoSize
			+ Status->RxBufShift + 8);
	else
#endif
		return (sizeof(rx_desc_819x_usb) + Status->RxDrvInfoSize
				+ Status->RxBufShift);
}

void rtl8192_rx_nomal(struct sk_buff* skb)
{
	rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
	struct net_device *dev=info->dev;
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	struct ieee80211_rx_stats stats = {
		.signal = 0,
		.noise = -98,
		.rate = 0,
		//      .mac_time = jiffies,
		.freq = IEEE80211_24GHZ_BAND,
	};
	u32 rx_pkt_len = 0;
	struct ieee80211_hdr_1addr *ieee80211_hdr = NULL;
	bool unicast_packet = false;
#ifdef USB_RX_AGGREGATION_SUPPORT
	struct sk_buff *agg_skb = NULL;
	u32  TotalLength = 0;
	u32  TempDWord = 0;
	u32  PacketLength = 0;
	u32  PacketOccupiedLendth = 0;
	u8   TempByte = 0;
	u32  PacketShiftBytes = 0;
	rx_desc_819x_usb_aggr_subframe *RxDescr = NULL;
	u8  PaddingBytes = 0;
	//add just for testing
	u8   testing;

#endif

	/* 20 is for ps-poll */
	if((skb->len >=(20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
#ifdef USB_RX_AGGREGATION_SUPPORT
		TempByte = *(skb->data + sizeof(rx_desc_819x_usb));
#endif
		/* first packet should not contain Rx aggregation header */
		query_rxdesc_status(skb, &stats, false);
		/* TODO */
		/* hardware related info */
#ifdef USB_RX_AGGREGATION_SUPPORT
		if (TempByte & BIT0) {
			agg_skb = skb;
			//TotalLength = agg_skb->len - 4; /*sCrcLng*/
			TotalLength = stats.Length - 4; /*sCrcLng*/
			//RT_TRACE(COMP_RECV, "%s:first aggregated packet!Length=%d\n",__FUNCTION__,TotalLength);
			/* though the head pointer has passed this position  */
			TempDWord = *(u32 *)(agg_skb->data - 4);
			PacketLength = (u16)(TempDWord & 0x3FFF); /*sCrcLng*/
			skb = dev_alloc_skb(PacketLength);
			memcpy(skb_put(skb,PacketLength),agg_skb->data,PacketLength);
			PacketShiftBytes = GetRxPacketShiftBytes819xUsb(&stats, false);
		}
#endif
		/* Process the MPDU recevied */
		skb_trim(skb, skb->len - 4/*sCrcLng*/);

		rx_pkt_len = skb->len;
		ieee80211_hdr = (struct ieee80211_hdr_1addr *)skb->data;
		unicast_packet = false;
		if(is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
			//TODO
		}else if(is_multicast_ether_addr(ieee80211_hdr->addr1)){
			//TODO
		}else {
			/* unicast packet */
			unicast_packet = true;
		}

		if(!ieee80211_rx(priv->ieee80211,skb, &stats)) {
			dev_kfree_skb_any(skb);
		} else {
			priv->stats.rxoktotal++;
			if(unicast_packet) {
				priv->stats.rxbytesunicast += rx_pkt_len;
			}
		}
#ifdef USB_RX_AGGREGATION_SUPPORT
		testing = 1;
		// (PipeIndex == 0) && (TempByte & BIT0) => TotalLength > 0.
		if (TotalLength > 0) {
			PacketOccupiedLendth = PacketLength + (PacketShiftBytes + 8);
			if ((PacketOccupiedLendth & 0xFF) != 0)
				PacketOccupiedLendth = (PacketOccupiedLendth & 0xFFFFFF00) + 256;
			PacketOccupiedLendth -= 8;
			TempDWord = PacketOccupiedLendth - PacketShiftBytes; /*- PacketLength */
			if (agg_skb->len > TempDWord)
				skb_pull(agg_skb, TempDWord);
			else
				agg_skb->len = 0;

			while (agg_skb->len>=GetRxPacketShiftBytes819xUsb(&stats, true)) {
				u8 tmpCRC = 0, tmpICV = 0;
				//RT_TRACE(COMP_RECV,"%s:aggred pkt,total_len = %d\n",__FUNCTION__,agg_skb->len);
				RxDescr = (rx_desc_819x_usb_aggr_subframe *)(agg_skb->data);
				tmpCRC = RxDescr->CRC32;
				tmpICV = RxDescr->ICV;
				memcpy(agg_skb->data, &agg_skb->data[44], 2);
				RxDescr->CRC32 = tmpCRC;
				RxDescr->ICV = tmpICV;

				memset(&stats, 0, sizeof(struct ieee80211_rx_stats));
				stats.signal = 0;
				stats.noise = -98;
				stats.rate = 0;
				stats.freq = IEEE80211_24GHZ_BAND;
				query_rxdesc_status(agg_skb, &stats, true);
				PacketLength = stats.Length;

				if(PacketLength > agg_skb->len) {
					break;
				}
				/* Process the MPDU recevied */
				skb = dev_alloc_skb(PacketLength);
				memcpy(skb_put(skb,PacketLength),agg_skb->data, PacketLength);
				skb_trim(skb, skb->len - 4/*sCrcLng*/);

				rx_pkt_len = skb->len;
				ieee80211_hdr = (struct ieee80211_hdr_1addr *)skb->data;
				unicast_packet = false;
				if(is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
					//TODO
				}else if(is_multicast_ether_addr(ieee80211_hdr->addr1)){
					//TODO
				}else {
					/* unicast packet */
					unicast_packet = true;
				}
				if(!ieee80211_rx(priv->ieee80211,skb, &stats)) {
					dev_kfree_skb_any(skb);
				} else {
					priv->stats.rxoktotal++;
					if(unicast_packet) {
						priv->stats.rxbytesunicast += rx_pkt_len;
					}
				}
				/* should trim the packet which has been copied to target skb */
				skb_pull(agg_skb, PacketLength);
				PacketShiftBytes = GetRxPacketShiftBytes819xUsb(&stats, true);
				PacketOccupiedLendth = PacketLength + PacketShiftBytes;
				if ((PacketOccupiedLendth & 0xFF) != 0) {
					PaddingBytes = 256 - (PacketOccupiedLendth & 0xFF);
					if (agg_skb->len > PaddingBytes)
						skb_pull(agg_skb, PaddingBytes);
					else
						agg_skb->len = 0;
				}
			}
			dev_kfree_skb(agg_skb);
		}
#endif
	} else {
		priv->stats.rxurberr++;
		printk("actual_length:%d\n", skb->len);
		dev_kfree_skb_any(skb);
	}

}

void
rtl819xusb_process_received_packet(
	struct net_device *dev,
	struct ieee80211_rx_stats *pstats
	)
{
//	bool bfreerfd=false, bqueued=false;
	u8* 	frame;
	u16     frame_len=0;
	struct r8192_priv *priv = ieee80211_priv(dev);
//	u8			index = 0;
//	u8			TID = 0;
	//u16			seqnum = 0;
	//PRX_TS_RECORD	pts = NULL;

	// Get shifted bytes of Starting address of 802.11 header. 2006.09.28, by Emily
	//porting by amy 080508
	pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
	frame = pstats->virtual_address;
	frame_len = pstats->packetlength;
#ifdef TODO	// by amy about HCT
	if(!Adapter->bInHctTest)
		CountRxErrStatistics(Adapter, pRfd);
#endif
	{
	#ifdef ENABLE_PS  //by amy for adding ps function in future
		RT_RF_POWER_STATE rtState;
		// When RF is off, we should not count the packet for hw/sw synchronize
		// reason, ie. there may be a duration while sw switch is changed and hw
		// switch is being changed. 2006.12.04, by shien chang.
		Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE, (u8* )(&rtState));
		if (rtState == eRfOff)
		{
			return;
		}
	#endif
	priv->stats.rxframgment++;

	}
#ifdef TODO
	RmMonitorSignalStrength(Adapter, pRfd);
#endif
	/* 2007/01/16 MH Add RX command packet handle here. */
	/* 2007/03/01 MH We have to release RFD and return if rx pkt is cmd pkt. */
	if (rtl819xusb_rx_command_packet(dev, pstats))
	{
		return;
	}

#ifdef SW_CRC_CHECK
	SwCrcCheck();
#endif


}

void query_rx_cmdpkt_desc_status(struct sk_buff *skb, struct ieee80211_rx_stats *stats)
{
//	rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
//	struct net_device *dev=info->dev;
//	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
//	rx_drvinfo_819x_usb  *driver_info;

	//
	//Get Rx Descriptor Information
	//
	stats->virtual_address = (u8*)skb->data;
	stats->Length = desc->Length;
	stats->RxDrvInfoSize = 0;
	stats->RxBufShift = 0;
	stats->packetlength = stats->Length-scrclng;
	stats->fraglength = stats->packetlength;
	stats->fragoffset = 0;
	stats->ntotalfrag = 1;
}


void rtl8192_rx_cmd(struct sk_buff *skb)
{
	struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
	struct net_device *dev = info->dev;
	//int ret;
//	struct urb *rx_urb = info->urb;
	/* TODO */
	struct ieee80211_rx_stats stats = {
		.signal = 0,
		.noise = -98,
		.rate = 0,
		//      .mac_time = jiffies,
		.freq = IEEE80211_24GHZ_BAND,
	};

	if((skb->len >=(20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE))
	{

		query_rx_cmdpkt_desc_status(skb,&stats);
		// this is to be done by amy 080508     prfd->queue_id = 1;


		//
		//  Process the command packet received.
		//

		rtl819xusb_process_received_packet(dev,&stats);

		dev_kfree_skb_any(skb);
	}
	else
		;


#if 0
	desc = (u32*)(skb->data);
	cmd = (desc[0] >> 30) & 0x03;

	if(cmd == 0x00) {//beacon interrupt
		//send beacon packet
		skb = ieee80211_get_beacon(priv->ieee80211);

		if(!skb){
			DMESG("not enought memory for allocating beacon");
			return;
		}
		skb->cb[0] = BEACON_PRIORITY;
		skb->cb[1] = 0;
		skb->cb[2] = ieeerate2rtlrate(priv->ieee80211->basic_rate);
		ret = rtl8192_tx(dev, skb);

		if( ret != 0 ){
			printk(KERN_ALERT "tx beacon packet error : %d !\n", ret);
		}
		dev_kfree_skb_any(skb);
	} else {//0x00
		//{ log the device information
		// At present, It is not implemented just now.
		//}
	}
#endif
}

void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
{
	struct sk_buff *skb;
	struct rtl8192_rx_info *info;

	while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
		info = (struct rtl8192_rx_info *)skb->cb;
		switch (info->out_pipe) {
		/* Nomal packet pipe */
			case 3:
				//RT_TRACE(COMP_RECV, "normal in-pipe index(%d)\n",info->out_pipe);
				priv->IrpPendingCount--;
				rtl8192_rx_nomal(skb);
				break;

				/* Command packet pipe */
			case 9:
				RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",\
						info->out_pipe);

				rtl8192_rx_cmd(skb);
				break;

			default: /* should never get here! */
				RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",\
						info->out_pipe);
				dev_kfree_skb(skb);
				break;

		}
	}
}

static const struct net_device_ops rtl8192_netdev_ops = {
	.ndo_open               = rtl8192_open,
	.ndo_stop               = rtl8192_close,
	.ndo_get_stats          = rtl8192_stats,
	.ndo_tx_timeout         = tx_timeout,
	.ndo_do_ioctl           = rtl8192_ioctl,
	.ndo_set_multicast_list = r8192_set_multicast,
	.ndo_set_mac_address    = r8192_set_mac_adr,
	.ndo_validate_addr      = eth_validate_addr,
	.ndo_change_mtu         = eth_change_mtu,
	.ndo_start_xmit         = ieee80211_xmit,
};


/****************************************************************************
     ---------------------------- USB_STUFF---------------------------
*****************************************************************************/

#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
static int __devinit rtl8192_usb_probe(struct usb_interface *intf,
			 const struct usb_device_id *id)
#else
static void * __devinit rtl8192_usb_probe(struct usb_device *udev,
					unsigned int ifnum,
				  const struct usb_device_id *id)
#endif
{
//	unsigned long ioaddr = 0;
	struct net_device *dev = NULL;
	struct r8192_priv *priv= NULL;
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
	struct usb_device *udev = interface_to_usbdev(intf);
#endif
	RT_TRACE(COMP_INIT, "Oops: i'm coming\n");

	dev = alloc_ieee80211(sizeof(struct r8192_priv));

#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
	SET_MODULE_OWNER(dev);
#endif

#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
	usb_set_intfdata(intf, dev);
	SET_NETDEV_DEV(dev, &intf->dev);
#endif
	priv = ieee80211_priv(dev);
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
	priv->ieee80211 = netdev_priv(dev);
#else
	priv->ieee80211 = (struct net_device *)dev->priv;
#endif
	priv->udev=udev;

	dev->netdev_ops = &rtl8192_netdev_ops;

	 //DMESG("Oops: i'm coming\n");
#if WIRELESS_EXT >= 12
#if WIRELESS_EXT < 17
	dev->get_wireless_stats = r8192_get_wireless_stats;
#endif
	dev->wireless_handlers = (struct iw_handler_def *) &r8192_wx_handlers_def;
#endif
	dev->type=ARPHRD_ETHER;

	dev->watchdog_timeo = HZ*3;	//modified by john, 0805

	if (dev_alloc_name(dev, ifname) < 0){
		RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying wlan%%d...\n");
		ifname = "wlan%d";
		dev_alloc_name(dev, ifname);
	}

	RT_TRACE(COMP_INIT, "Driver probe completed1\n");
#if 1
	if(rtl8192_init(dev)!=0){
		RT_TRACE(COMP_ERR, "Initialization failed");
		goto fail;
	}
#endif
	netif_carrier_off(dev);
	netif_stop_queue(dev);

	register_netdev(dev);
	RT_TRACE(COMP_INIT, "dev name=======> %s\n",dev->name);
	rtl8192_proc_init_one(dev);


	RT_TRACE(COMP_INIT, "Driver probe completed\n");
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
	return dev;
#else
	return 0;
#endif


fail:
	free_ieee80211(dev);

	RT_TRACE(COMP_ERR, "wlan driver load failed\n");
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
	return NULL;
#else
	return -ENODEV;
#endif

}

//detach all the work and timer structure declared or inititialize in r8192U_init function.
void rtl8192_cancel_deferred_work(struct r8192_priv* priv)
{

#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
	cancel_work_sync(&priv->reset_wq);
	cancel_delayed_work(&priv->watch_dog_wq);
	cancel_delayed_work(&priv->update_beacon_wq);
	cancel_work_sync(&priv->qos_activate);
	//cancel_work_sync(&priv->SetBWModeWorkItem);
	//cancel_work_sync(&priv->SwChnlWorkItem);
#else
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
//	cancel_delayed_work(&priv->reset_wq);
	cancel_delayed_work(&priv->watch_dog_wq);
	cancel_delayed_work(&priv->update_beacon_wq);
//	cancel_delayed_work(&priv->qos_activate);
	//cancel_delayed_work(&priv->SetBWModeWorkItem);
	//cancel_delayed_work(&priv->SwChnlWorkItem);
#endif
#endif

}


#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
static void __devexit rtl8192_usb_disconnect(struct usb_interface *intf)
#else
static void __devexit rtl8192_usb_disconnect(struct usb_device *udev, void *ptr)
#endif
{
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
	struct net_device *dev = usb_get_intfdata(intf);
#else
	struct net_device *dev = (struct net_device *)ptr;
#endif

	struct r8192_priv *priv = ieee80211_priv(dev);
	if(dev){

		unregister_netdev(dev);

		RT_TRACE(COMP_DOWN, "=============>wlan driver to be removed\n");
		rtl8192_proc_remove_one(dev);

			rtl8192_down(dev);
		if (priv->pFirmware)
		{
			kfree(priv->pFirmware);
			priv->pFirmware = NULL;
		}
	//	priv->rf_close(dev);
//		rtl8192_SetRFPowerState(dev, eRfOff);
		rtl8192_usb_deleteendpoints(dev);
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
		destroy_workqueue(priv->priv_wq);
#endif
		//rtl8192_irq_disable(dev);
		//rtl8192_reset(dev);
		mdelay(10);

	}
	free_ieee80211(dev);
	RT_TRACE(COMP_DOWN, "wlan driver removed\n");
}

/* fun with the built-in ieee80211 stack... */
extern int ieee80211_debug_init(void);
extern void ieee80211_debug_exit(void);
extern int ieee80211_crypto_init(void);
extern void ieee80211_crypto_deinit(void);
extern int ieee80211_crypto_tkip_init(void);
extern void ieee80211_crypto_tkip_exit(void);
extern int ieee80211_crypto_ccmp_init(void);
extern void ieee80211_crypto_ccmp_exit(void);
extern int ieee80211_crypto_wep_init(void);
extern void ieee80211_crypto_wep_exit(void);

static int __init rtl8192_usb_module_init(void)
{
	int ret;

#ifdef CONFIG_IEEE80211_DEBUG
	ret = ieee80211_debug_init();
	if (ret) {
		printk(KERN_ERR "ieee80211_debug_init() failed %d\n", ret);
		return ret;
	}
#endif
	ret = ieee80211_crypto_init();
	if (ret) {
		printk(KERN_ERR "ieee80211_crypto_init() failed %d\n", ret);
		return ret;
	}

	ret = ieee80211_crypto_tkip_init();
	if (ret) {
		printk(KERN_ERR "ieee80211_crypto_tkip_init() failed %d\n",
			ret);
		return ret;
	}

	ret = ieee80211_crypto_ccmp_init();
	if (ret) {
		printk(KERN_ERR "ieee80211_crypto_ccmp_init() failed %d\n",
			ret);
		return ret;
	}

	ret = ieee80211_crypto_wep_init();
	if (ret) {
		printk(KERN_ERR "ieee80211_crypto_wep_init() failed %d\n", ret);
		return ret;
	}

	printk(KERN_INFO "\nLinux kernel driver for RTL8192 based WLAN cards\n");
	printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan\n");
	RT_TRACE(COMP_INIT, "Initializing module");
	RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
	rtl8192_proc_module_init();
	return usb_register(&rtl8192_usb_driver);
}


static void __exit rtl8192_usb_module_exit(void)
{
	usb_deregister(&rtl8192_usb_driver);

	RT_TRACE(COMP_DOWN, "Exiting");
//	rtl8192_proc_module_remove();
}


void rtl8192_try_wake_queue(struct net_device *dev, int pri)
{
	unsigned long flags;
	short enough_desc;
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);

	spin_lock_irqsave(&priv->tx_lock,flags);
	enough_desc = check_nic_enough_desc(dev,pri);
	spin_unlock_irqrestore(&priv->tx_lock,flags);

	if(enough_desc)
		ieee80211_wake_queue(priv->ieee80211);
}

void EnableHWSecurityConfig8192(struct net_device *dev)
{
	u8 SECR_value = 0x0;
	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
	 struct ieee80211_device* ieee = priv->ieee80211;
	SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
#if 1
	if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2))
	{
		SECR_value |= SCR_RxUseDK;
		SECR_value |= SCR_TxUseDK;
	}
	else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP)))
	{
		SECR_value |= SCR_RxUseDK;
		SECR_value |= SCR_TxUseDK;
	}
#endif
	//add HWSec active enable here.
//default using hwsec. when peer AP is in N mode only and pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates it), use software security. when peer AP is in b,g,n mode mixed and pairwise_key_type is none_aes, use g mode hw security. WB on 2008.7.4

	ieee->hwsec_active = 1;

	if ((ieee->pHTInfo->IOTAction&HT_IOT_ACT_PURE_N_MODE) || !hwwep)//!ieee->hwsec_support) //add hwsec_support flag to totol control hw_sec on/off
	{
		ieee->hwsec_active = 0;
		SECR_value &= ~SCR_RxDecEnable;
	}
	RT_TRACE(COMP_SEC,"%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n", __FUNCTION__, \
			ieee->hwsec_active, ieee->pairwise_key_type, SECR_value);
	{
		write_nic_byte(dev, SECR,  SECR_value);//SECR_value |  SCR_UseDK );
	}
}


void setKey(	struct net_device *dev,
		u8 EntryNo,
		u8 KeyIndex,
		u16 KeyType,
		u8 *MacAddr,
		u8 DefaultKey,
		u32 *KeyContent )
{
	u32 TargetCommand = 0;
	u32 TargetContent = 0;
	u16 usConfig = 0;
	u8 i;
	if (EntryNo >= TOTAL_CAM_ENTRY)
		RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");

	RT_TRACE(COMP_SEC, "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr"MAC_FMT"\n", dev,EntryNo, KeyIndex, KeyType, MAC_ARG(MacAddr));

	if (DefaultKey)
		usConfig |= BIT15 | (KeyType<<2);
	else
		usConfig |= BIT15 | (KeyType<<2) | KeyIndex;
//	usConfig |= BIT15 | (KeyType<<2) | (DefaultKey<<5) | KeyIndex;


	for(i=0 ; i<CAM_CONTENT_COUNT; i++){
		TargetCommand  = i+CAM_CONTENT_COUNT*EntryNo;
		TargetCommand |= BIT31|BIT16;

		if(i==0){//MAC|Config
			TargetContent = (u32)(*(MacAddr+0)) << 16|
					(u32)(*(MacAddr+1)) << 24|
					(u32)usConfig;

			write_nic_dword(dev, WCAMI, TargetContent);
			write_nic_dword(dev, RWCAM, TargetCommand);
	//		printk("setkey cam =%8x\n", read_cam(dev, i+6*EntryNo));
		}
		else if(i==1){//MAC
			TargetContent = (u32)(*(MacAddr+2)) 	 |
					(u32)(*(MacAddr+3)) <<  8|
					(u32)(*(MacAddr+4)) << 16|
					(u32)(*(MacAddr+5)) << 24;
			write_nic_dword(dev, WCAMI, TargetContent);
			write_nic_dword(dev, RWCAM, TargetCommand);
		}
		else {
			//Key Material
			if(KeyContent !=NULL){
			write_nic_dword(dev, WCAMI, (u32)(*(KeyContent+i-2)) );
			write_nic_dword(dev, RWCAM, TargetCommand);
		}
	}
	}

}

/***************************************************************************
     ------------------- module init / exit stubs ----------------
****************************************************************************/
module_init(rtl8192_usb_module_init);
module_exit(rtl8192_usb_module_exit);