xref: /linux-3.3/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>
#include <linux/slab.h>
// FIXME: check if 2.6.7 is ok

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

#include "dot11d.h"
//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 const 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)},
	/* LG */
	{USB_DEVICE(0x043e, 0x7a01)},
	{}
};

MODULE_LICENSE("GPL");
MODULE_VERSION("V 1.1");
MODULE_DEVICE_TABLE(usb, rtl8192_usb_id_tbl);
MODULE_DESCRIPTION("Linux driver for Realtek RTL8192 USB WiFi cards");

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



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);

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");

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);


static struct usb_driver rtl8192_usb_driver = {
	.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     */
#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
};


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;
}


#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)
{
	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);

}


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 possibility 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); */
void rtl8192_restart(struct work_struct *work);
/* void rtl8192_rq_tx_ack(struct work_struct *work); */
void watch_dog_timer_callback(unsigned long data);

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

static struct proc_dir_entry *rtl8192_proc;

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));
	}
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));
	}


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

}





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;
}
void rtl8192_proc_module_init(void)
{
	RT_TRACE(COMP_INIT, "Initializing proc filesystem");
	rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net);
}


void rtl8192_proc_module_remove(void)
{
	remove_proc_entry(RTL819xU_MODULE_NAME, init_net.proc_net);
}


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 = proc_mkdir(dev->name, rtl8192_proc);
	if (!priv->dir_dev) {
		RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n",
		      dev->name);
		return;
	}
	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);
	}

	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);
	}
}
/****************************************************************************
   -----------------------------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);

	schedule_work(&priv->reset_wq);
	//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---------------------------
*****************************************************************************/


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;

	/* 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
}

static void rtl8192_rx_isr(struct urb *urb);
//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;
		entry = usb_alloc_urb(0, GFP_KERNEL);
		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;
		entry = usb_alloc_urb(0, GFP_KERNEL);
		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);
}


void rtl8192_tx_enable(struct net_device *dev)
{
}



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)
{
	return 0;
}

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 */
static void rtl8192_rx_isr(struct urb *urb)
{
	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;
	}
	skb_unlink(skb, &priv->rx_queue);
	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;
}


void rtl8192_data_hard_stop(struct net_device *dev)
{
	//FIXME !!
}


void rtl8192_data_hard_resume(struct net_device *dev)
{
	// FIXME !!
}

/* 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)
{
	struct ieee80211_device *ieee = netdev_priv(dev);
	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 subtract header length */
		tx_agg_desc->PktSize = skb->len & 0xffff;

		/*DWORD 1*/
		tx_agg_desc->SecCAMID= 0;
		tx_agg_desc->RATid = tcb_desc->RATRIndex;
		{
			//MPDUOverhead = 0;
			tx_agg_desc->NoEnc = 1;
		}
		tx_agg_desc->SecType = 0x0;

		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)
{
	struct ieee80211_device *ieee = netdev_priv(dev);
	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

static void rtl8192_tx_isr(struct urb *tx_urb)
{
	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]);
	}

	{
		//
		// Handle HW Beacon:
		// We had transfer our beacon frame to host controller at this moment.
		//
		//
		// 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. initialize 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);

						}
					}
					priv->ieee80211->softmac_hard_start_xmit(skb, dev);
				}
			}
#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
void rtl819xusb_beacon_tx(struct net_device *dev,u16  tx_rate)
{

}
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)
{
	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]);
	tx_urb = usb_alloc_urb(0,GFP_ATOMIC);
	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);

	status = usb_submit_urb(tx_urb, GFP_ATOMIC);

	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;
}

static void tx_zero_isr(struct urb *tx_urb)
{
	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));
//	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){
		printk("To discard skb packet!\n");
		dev_kfree_skb_any(skb);
		return -1;
	}

	tx_urb = usb_alloc_urb(0,GFP_ATOMIC);
	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;
	{
		//MPDUOverhead = 0;
		tx_desc->NoEnc = 1;
	}
	tx_desc->SecType = 0x0;
		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
	tx_desc->FirstSeg = 1;
	tx_desc->LastSeg = 1;
	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);

	status = usb_submit_urb(tx_urb, GFP_ATOMIC);
	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)
		{
			tx_urb_zero = usb_alloc_urb(0,GFP_ATOMIC);
			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);
			status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
			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;
			}
		}
		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 = kmalloc(sizeof(struct urb *) * (MAX_RX_URB+1),
				GFP_KERNEL);
	if (priv->rx_urb == NULL)
		return -ENOMEM;

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

		priv->rx_urb[i] = usb_alloc_urb(0,GFP_KERNEL);

		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 = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
				 GFP_KERNEL);
	if (priv->pp_rxskb == NULL)
		goto destroy;

	goto _middle;


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

	}

#endif
}
#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);
		//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);
	}
	/*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 */
};


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;
 	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};
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;
	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;

       mutex_lock(&priv->mutex);
	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:
       mutex_unlock(&priv->mutex);
}

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;
			queue_work(priv->priv_wq, &priv->qos_activate);
			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)) {
			queue_work(priv->priv_wq, &priv->qos_activate);
			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);
	queue_delayed_work(priv->priv_wq, &priv->update_beacon_wq, 0);
	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;
		 {
			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)
		queue_work(priv->priv_wq, &priv->qos_activate);


	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)
{
	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;
	}

	return true;
}

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 ((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 should 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);

}
//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 = 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);
	mutex_init(&priv->mutex);
}

extern  void    rtl819x_watchdog_wqcallback(struct work_struct *work);

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);

	priv->priv_wq = create_workqueue(DRV_NAME);

	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);

	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 necessary 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:%pM\n", 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);
	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);
	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);

	//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);


	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
 */
/***************************************************************************
    -------------------------------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;
#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;

	             bCheckFwTxCnt = true;
	     }
//	     PlatformReleaseSpinLock(Adapter, RT_TX_SPINLOCK);
//	spin_unlock_irqrestore(&priv->ieee80211->lock,flags);
//	RT_TRACE(COMP_RESET,"bCheckFwTxCnt is %d\n",bCheckFwTxCnt);
	if(bCheckFwTxCnt)
	{
		if(HalTxCheckStuck819xUsb(dev))
		{
			RT_TRACE(COMP_RESET, "TxCheckStuck(): Fw indicates no Tx condition! \n");
			return RESET_TYPE_SILENT;
		}
	}
	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( 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);
	}
	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);
		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);
			cancel_delayed_work(&ieee->associate_retry_wq);
			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__);
			}
		}
		ieee->is_silent_reset = 1;
		EnableHWSecurityConfig8192(dev);
		if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA)
		{
			ieee->set_chan(ieee->dev, ieee->current_network.channel);

			queue_work(ieee->wq, &ieee->associate_complete_wq);

		}
		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);
		}

		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);
	}
}

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);
		while((i--)>=0)
		{
			ulStatus = read_nic_dword(dev, RWCAM);
			if(ulStatus & BIT31){
				continue;
			}
			else{
				break;
			}
		}
		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];
	}
}


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;
	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);
                                queue_work(priv->ieee80211->wq, &priv->ieee80211->associate_procedure_wq);

			}
		}
		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( (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);
	}
	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");
	queue_delayed_work(priv->priv_wq,&priv->watch_dog_wq, 0);
	mod_timer(&priv->watch_dog_timer, jiffies + MSECS(IEEE80211_WATCH_DOG_TIME));
}
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);
*/
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;

	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);

	schedule_work(&priv->reset_wq);
	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 = 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(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(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);
		}

	}

	//
	// 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(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(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);
		}



	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);
		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 */

	//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
		;


}

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_rx_mode	= 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---------------------------
*****************************************************************************/

static int __devinit rtl8192_usb_probe(struct usb_interface *intf,
			 const struct usb_device_id *id)
{
//	unsigned long ioaddr = 0;
	struct net_device *dev = NULL;
	struct r8192_priv *priv= NULL;
	struct usb_device *udev = interface_to_usbdev(intf);
	int ret;
	RT_TRACE(COMP_INIT, "Oops: i'm coming\n");

	dev = alloc_ieee80211(sizeof(struct r8192_priv));
	if (dev == NULL)
		return -ENOMEM;

	usb_set_intfdata(intf, dev);
	SET_NETDEV_DEV(dev, &intf->dev);
	priv = ieee80211_priv(dev);
	priv->ieee80211 = netdev_priv(dev);
	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(rtl8192_init(dev)!=0){
		RT_TRACE(COMP_ERR, "Initialization failed");
		ret = -ENODEV;
		goto fail;
	}
	netif_carrier_off(dev);
	netif_stop_queue(dev);

	ret = register_netdev(dev);
	if (ret)
		goto fail2;

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


	RT_TRACE(COMP_INIT, "Driver probe completed\n");
	return 0;

fail2:
	rtl8192_down(dev);
	kfree(priv->pFirmware);
	priv->pFirmware = NULL;
	rtl8192_usb_deleteendpoints(dev);
	destroy_workqueue(priv->priv_wq);
	mdelay(10);
fail:
	free_ieee80211(dev);

	RT_TRACE(COMP_ERR, "wlan driver load failed\n");
	return ret;
}

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

	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);

}


static void __devexit rtl8192_usb_disconnect(struct usb_interface *intf)
{
	struct net_device *dev = usb_get_intfdata(intf);

	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);
		kfree(priv->pFirmware);
		priv->pFirmware = NULL;
	//	priv->rf_close(dev);
//		rtl8192_SetRFPowerState(dev, eRfOff);
		rtl8192_usb_deleteendpoints(dev);
		destroy_workqueue(priv->priv_wq);
		//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 (((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;
	}
	//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%pM\n", dev,EntryNo, KeyIndex, KeyType, 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);