alistair23-linux/drivers/staging/rtl8192e/rtl819x_HTProc.c

/******************************************************************************
 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
 *
 * 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:
 * wlanfae <wlanfae@realtek.com>
******************************************************************************/
#include "rtllib.h"
#include "rtl819x_HT.h"
u8 MCS_FILTER_ALL[16] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

u8 MCS_FILTER_1SS[16] = {0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

u16 MCS_DATA_RATE[2][2][77] =
	{	{	{13, 26, 39, 52, 78, 104, 117, 130, 26, 52, 78 ,104, 156, 208, 234, 260,
			39, 78, 117, 234, 312, 351, 390, 52, 104, 156, 208, 312, 416, 468, 520,
			0, 78, 104, 130, 117, 156, 195, 104, 130, 130, 156, 182, 182, 208, 156, 195,
			195, 234, 273, 273, 312, 130, 156, 181, 156, 181, 208, 234, 208, 234, 260, 260,
			286, 195, 234, 273, 234, 273, 312, 351, 312, 351, 390, 390, 429},
			{14, 29, 43, 58, 87, 116, 130, 144, 29, 58, 87, 116, 173, 231, 260, 289,
			43, 87, 130, 173, 260, 347, 390, 433, 58, 116, 173, 231, 347, 462, 520, 578,
			0, 87, 116, 144, 130, 173, 217, 116, 144, 144, 173, 202, 202, 231, 173, 217,
			217, 260, 303, 303, 347, 144, 173, 202, 173, 202, 231, 260, 231, 260, 289, 289,
			318, 217, 260, 303, 260, 303, 347, 390, 347, 390, 433, 433, 477}	},
		{	{27, 54, 81, 108, 162, 216, 243, 270, 54, 108, 162, 216, 324, 432, 486, 540,
			81, 162, 243, 324, 486, 648, 729, 810, 108, 216, 324, 432, 648, 864, 972, 1080,
			12, 162, 216, 270, 243, 324, 405, 216, 270, 270, 324, 378, 378, 432, 324, 405,
			405, 486, 567, 567, 648, 270, 324, 378, 324, 378, 432, 486, 432, 486, 540, 540,
			594, 405, 486, 567, 486, 567, 648, 729, 648, 729, 810, 810, 891},
			{30, 60, 90, 120, 180, 240, 270, 300, 60, 120, 180, 240, 360, 480, 540, 600,
			90, 180, 270, 360, 540, 720, 810, 900, 120, 240, 360, 480, 720, 960, 1080, 1200,
			13, 180, 240, 300, 270, 360, 450, 240, 300, 300, 360, 420, 420, 480, 360, 450,
			450, 540, 630, 630, 720, 300, 360, 420, 360, 420, 480, 540, 480, 540, 600, 600,
			660, 450, 540, 630, 540, 630, 720, 810, 720, 810, 900, 900, 990}	}
	};

static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf};
static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70};
static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e};
static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f};
static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf};
static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc};
static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e};
static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02};
static u8 DLINK_ATHEROS_1[3] = {0x00, 0x1c, 0xf0};
static u8 DLINK_ATHEROS_2[3] = {0x00, 0x21, 0x91};
static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94};
static u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4};
void HTUpdateDefaultSetting(struct rtllib_device* ieee)
{
	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;

	pHTInfo->bAcceptAddbaReq = 1;

	pHTInfo->bRegShortGI20MHz= 1;
	pHTInfo->bRegShortGI40MHz= 1;

	pHTInfo->bRegBW40MHz = 1;

	if (pHTInfo->bRegBW40MHz)
		pHTInfo->bRegSuppCCK = 1;
	else
		pHTInfo->bRegSuppCCK = true;

	pHTInfo->nAMSDU_MaxSize = 7935UL;
	pHTInfo->bAMSDU_Support = 0;

	pHTInfo->bAMPDUEnable = 1;
	pHTInfo->AMPDU_Factor = 2;
	pHTInfo->MPDU_Density = 0;

	pHTInfo->SelfMimoPs = 3;
	if (pHTInfo->SelfMimoPs == 2)
		pHTInfo->SelfMimoPs = 3;
	ieee->bTxDisableRateFallBack = 0;
	ieee->bTxUseDriverAssingedRate = 0;

	ieee->bTxEnableFwCalcDur = 1;

	pHTInfo->bRegRT2RTAggregation = 1;

	pHTInfo->bRegRxReorderEnable = 1;
	pHTInfo->RxReorderWinSize = 64;
	pHTInfo->RxReorderPendingTime = 30;
}
void HTDebugHTCapability(u8* CapIE, u8* TitleString )
{

	static u8	EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
	PHT_CAPABILITY_ELE		pCapELE;

	if (!memcmp(CapIE, EWC11NHTCap, sizeof(EWC11NHTCap)))
	{
		RTLLIB_DEBUG(RTLLIB_DL_HT, "EWC IE in %s()\n", __func__);
		pCapELE = (PHT_CAPABILITY_ELE)(&CapIE[4]);
	}else
		pCapELE = (PHT_CAPABILITY_ELE)(&CapIE[0]);

	RTLLIB_DEBUG(RTLLIB_DL_HT, "<Log HT Capability>. Called by %s\n", TitleString );

	RTLLIB_DEBUG(RTLLIB_DL_HT,  "\tSupported Channel Width = %s\n", (pCapELE->ChlWidth)?"20MHz": "20/40MHz");
	RTLLIB_DEBUG(RTLLIB_DL_HT,  "\tSupport Short GI for 20M = %s\n", (pCapELE->ShortGI20Mhz)?"YES": "NO");
	RTLLIB_DEBUG(RTLLIB_DL_HT,  "\tSupport Short GI for 40M = %s\n", (pCapELE->ShortGI40Mhz)?"YES": "NO");
	RTLLIB_DEBUG(RTLLIB_DL_HT,  "\tSupport TX STBC = %s\n", (pCapELE->TxSTBC)?"YES": "NO");
	RTLLIB_DEBUG(RTLLIB_DL_HT,  "\tMax AMSDU Size = %s\n", (pCapELE->MaxAMSDUSize)?"3839": "7935");
	RTLLIB_DEBUG(RTLLIB_DL_HT,  "\tSupport CCK in 20/40 mode = %s\n", (pCapELE->DssCCk)?"YES": "NO");
	RTLLIB_DEBUG(RTLLIB_DL_HT,  "\tMax AMPDU Factor = %d\n", pCapELE->MaxRxAMPDUFactor);
	RTLLIB_DEBUG(RTLLIB_DL_HT,  "\tMPDU Density = %d\n", pCapELE->MPDUDensity);
	RTLLIB_DEBUG(RTLLIB_DL_HT,  "\tMCS Rate Set = [%x][%x][%x][%x][%x]\n", pCapELE->MCS[0],\
				pCapELE->MCS[1], pCapELE->MCS[2], pCapELE->MCS[3], pCapELE->MCS[4]);
	return;

}
void HTDebugHTInfo(u8*	InfoIE, u8* TitleString)
{

	static u8	EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34};
	PHT_INFORMATION_ELE		pHTInfoEle;

	if (!memcmp(InfoIE, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
	{
		RTLLIB_DEBUG(RTLLIB_DL_HT, "EWC IE in %s()\n", __func__);
		pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[4]);
	}else
		pHTInfoEle = (PHT_INFORMATION_ELE)(&InfoIE[0]);


	RTLLIB_DEBUG(RTLLIB_DL_HT, "<Log HT Information Element>. Called by %s\n", TitleString);

	RTLLIB_DEBUG(RTLLIB_DL_HT, "\tPrimary channel = %d\n", pHTInfoEle->ControlChl);
	RTLLIB_DEBUG(RTLLIB_DL_HT, "\tSenondary channel =");
	switch (pHTInfoEle->ExtChlOffset)
	{
		case 0:
			RTLLIB_DEBUG(RTLLIB_DL_HT, "Not Present\n");
			break;
		case 1:
			RTLLIB_DEBUG(RTLLIB_DL_HT, "Upper channel\n");
			break;
		case 2:
			RTLLIB_DEBUG(RTLLIB_DL_HT, "Reserved. Eooro!!!\n");
			break;
		case 3:
			RTLLIB_DEBUG(RTLLIB_DL_HT, "Lower Channel\n");
			break;
	}
	RTLLIB_DEBUG(RTLLIB_DL_HT, "\tRecommended channel width = %s\n", (pHTInfoEle->RecommemdedTxWidth)?"20Mhz": "40Mhz");

	RTLLIB_DEBUG(RTLLIB_DL_HT, "\tOperation mode for protection = ");
	switch (pHTInfoEle->OptMode)
	{
		case 0:
			RTLLIB_DEBUG(RTLLIB_DL_HT, "No Protection\n");
			break;
		case 1:
			RTLLIB_DEBUG(RTLLIB_DL_HT, "HT non-member protection mode\n");
			break;
		case 2:
			RTLLIB_DEBUG(RTLLIB_DL_HT, "Suggest to open protection\n");
			break;
		case 3:
			RTLLIB_DEBUG(RTLLIB_DL_HT, "HT mixed mode\n");
			break;
	}

	RTLLIB_DEBUG(RTLLIB_DL_HT, "\tBasic MCS Rate Set = [%x][%x][%x][%x][%x]\n", pHTInfoEle->BasicMSC[0],\
				pHTInfoEle->BasicMSC[1], pHTInfoEle->BasicMSC[2], pHTInfoEle->BasicMSC[3], pHTInfoEle->BasicMSC[4]);
	return;
}

bool IsHTHalfNmode40Bandwidth(struct rtllib_device* ieee)
{
	bool			retValue = false;
	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;

	if (pHTInfo->bCurrentHTSupport == false )
		retValue = false;
	else if (pHTInfo->bRegBW40MHz == false)
		retValue = false;
	else if (!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
		retValue = false;
	else if (((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ChlWidth)
		retValue = true;
	else
		retValue = false;

	return retValue;
}

bool IsHTHalfNmodeSGI(struct rtllib_device* ieee, bool is40MHz)
{
	bool			retValue = false;
	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;

	if (pHTInfo->bCurrentHTSupport == false )
		retValue = false;
	else if (!ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
		retValue = false;
	else if (is40MHz)
	{
		if (((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ShortGI40Mhz)
			retValue = true;
		else
			retValue = false;
	}
	else
	{
		if (((PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf))->ShortGI20Mhz)
			retValue = true;
		else
			retValue = false;
	}

	return retValue;
}

u16 HTHalfMcsToDataRate(struct rtllib_device* ieee,	u8	nMcsRate)
{

	u8	is40MHz;
	u8	isShortGI;

	is40MHz  =  (IsHTHalfNmode40Bandwidth(ieee))?1:0;
	isShortGI = (IsHTHalfNmodeSGI(ieee, is40MHz))? 1:0;

	return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate&0x7f)];
}


u16 HTMcsToDataRate( struct rtllib_device* ieee, u8 nMcsRate)
{
	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;

	u8	is40MHz = (pHTInfo->bCurBW40MHz)?1:0;
	u8	isShortGI = (pHTInfo->bCurBW40MHz)?
						((pHTInfo->bCurShortGI40MHz)?1:0):
						((pHTInfo->bCurShortGI20MHz)?1:0);
	return MCS_DATA_RATE[is40MHz][isShortGI][(nMcsRate&0x7f)];
}

u16  TxCountToDataRate( struct rtllib_device* ieee, u8 nDataRate)
{
	u16		CCKOFDMRate[12] = {0x02 , 0x04 , 0x0b , 0x16 , 0x0c , 0x12 , 0x18 , 0x24 , 0x30 , 0x48 , 0x60 , 0x6c};
	u8	is40MHz = 0;
	u8	isShortGI = 0;

	if (nDataRate < 12)
	{
		return CCKOFDMRate[nDataRate];
	}
	else
	{
		if (nDataRate >= 0x10 && nDataRate <= 0x1f)
		{
			is40MHz = 0;
			isShortGI = 0;

		}
		else if (nDataRate >=0x20  && nDataRate <= 0x2f )
		{
			is40MHz = 1;
			isShortGI = 0;

		}
		else if (nDataRate >= 0x30  && nDataRate <= 0x3f )
		{
			is40MHz = 0;
			isShortGI = 1;

		}
		else if (nDataRate >= 0x40  && nDataRate <= 0x4f )
		{
			is40MHz = 1;
			isShortGI = 1;

		}
		return MCS_DATA_RATE[is40MHz][isShortGI][nDataRate&0xf];
	}
}



bool IsHTHalfNmodeAPs(struct rtllib_device* ieee)
{
	bool			retValue = false;
	struct rtllib_network* net = &ieee->current_network;

	if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) ||
		     (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) ||
		     (memcmp(net->bssid, PCI_RALINK, 3)==0) ||
		     (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) ||
		     (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) ||
		     (net->ralink_cap_exist))
		retValue = true;
	else if ((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) ||
		    (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)||
		    (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)||
		    (net->broadcom_cap_exist))
		  retValue = true;
	else if (net->bssht.bdRT2RTAggregation)
		retValue = true;
	else
		retValue = false;

	return retValue;
}

void HTIOTPeerDetermine(struct rtllib_device* ieee)
{
	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
	struct rtllib_network* net = &ieee->current_network;
	if (net->bssht.bdRT2RTAggregation){
		pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK;
		if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_92SE){
			pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK_92SE;
		}
		if (net->bssht.RT2RT_HT_Mode & RT_HT_CAP_USE_SOFTAP){
			pHTInfo->IOTPeer = HT_IOT_PEER_92U_SOFTAP;
		}
	}
	else if (net->broadcom_cap_exist)
		pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
	else if ((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) ||
			(memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)||
			(memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)/*||
			(memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) */)
		pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
	else if ((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) ||
			(memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) ||
			(memcmp(net->bssid, PCI_RALINK, 3)==0) ||
			(memcmp(net->bssid, EDIMAX_RALINK, 3)==0) ||
			(memcmp(net->bssid, AIRLINK_RALINK, 3)==0) ||
			 net->ralink_cap_exist)
		pHTInfo->IOTPeer = HT_IOT_PEER_RALINK;
	else if ((net->atheros_cap_exist )||
		(memcmp(net->bssid, DLINK_ATHEROS_1, 3) == 0)||
		(memcmp(net->bssid, DLINK_ATHEROS_2, 3) == 0))
		pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS;
	else if ((memcmp(net->bssid, CISCO_BROADCOM, 3)==0)||net->cisco_cap_exist)
		pHTInfo->IOTPeer = HT_IOT_PEER_CISCO;
	else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) ||
		  net->marvell_cap_exist)
		pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL;
	else if (net->airgo_cap_exist)
		pHTInfo->IOTPeer = HT_IOT_PEER_AIRGO;
	else
		pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;

	RTLLIB_DEBUG(RTLLIB_DL_IOT, "Joseph debug!! IOTPEER: %x\n", pHTInfo->IOTPeer);
}

u8 HTIOTActIsDisableMCS14(struct rtllib_device* ieee, u8* PeerMacAddr)
{
	return 0;
 }


bool HTIOTActIsDisableMCS15(struct rtllib_device* ieee)
{
	bool retValue = false;

	return retValue;
}

bool HTIOTActIsDisableMCSTwoSpatialStream(struct rtllib_device* ieee)
{
	bool retValue = false;
	return retValue;
}

u8 HTIOTActIsDisableEDCATurbo(struct rtllib_device*	ieee, u8* PeerMacAddr)
{
	return false;
}


bool HTIOTActIsEnableBETxOPLimit(struct rtllib_device* ieee)
{
	bool	retValue = false;

	return retValue;
}


u8 HTIOTActIsMgntUseCCK6M(struct rtllib_device* ieee,struct rtllib_network *network)
{
	u8	retValue = 0;


	if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
	{
		retValue = 1;
	}

	return retValue;
}

u8
HTIOTActWAIOTBroadcom(struct rtllib_device* ieee)
{
	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
	u8		retValue = false;
	u8		boundary=59;

	pHTInfo->bWAIotBroadcom = false;
	if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
	{
		if (ieee->current_network.bssht.bdBandWidth == HT_CHANNEL_WIDTH_20_40)
		{
			if (!(pHTInfo->bRegBW40MHz))
			{
				if (ieee->current_network.mode != WIRELESS_MODE_B)
				{
					pHTInfo->bWAIotBroadcom = true;

					if (ieee->b_customer_lenovo_id == true)
						boundary = 30;

					if ( ieee->current_network.RSSI >= boundary)
						retValue = true;
				}
			}else{
				;
			}
		}
	}
	return retValue;
}

u8 HTIOTActIsForcedCTS2Self(struct rtllib_device *ieee, struct rtllib_network *network)
{
	u8	retValue = 0;
	if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_MARVELL)
	{
		retValue = 1;
	}

	return retValue;
}

u8 HTIOTActIsForcedRTSCTS(struct rtllib_device *ieee, struct rtllib_network *network)
{
	u8	retValue = 0;
	return retValue;
}

u8
HTIOTActIsForcedAMSDU8K(struct rtllib_device *ieee, struct rtllib_network *network)
{
	u8 retValue = 0;

	return retValue;
}

u8 HTIOTActIsCCDFsync(struct rtllib_device *ieee)
{
	u8	retValue = 0;
	if (ieee->pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM)
	{
		retValue = 1;
	}
	return retValue;
}

u8
HTIOCActRejcectADDBARequest(struct rtllib_network *network)
{
	u8	retValue = 0;

	return retValue;

}

u8
  HTIOTActIsEDCABiasRx(struct rtllib_device* ieee,struct rtllib_network *network)
{
	u8	retValue = 0;

	return retValue;
}

u8
HTIOTActDisableShortGI(struct rtllib_device* ieee,struct rtllib_network *network)
{
	u8	retValue = 0;
	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;

	if (pHTInfo->IOTPeer==HT_IOT_PEER_RALINK)
	{
			retValue = 1;
	}

	return retValue;
}

u8
HTIOTActDisableHighPower(struct rtllib_device* ieee,struct rtllib_network *network)
{
	u8	retValue = 0;

	return retValue;
}

void
HTIOTActDetermineRaFunc(struct rtllib_device* ieee,	bool	bPeerRx2ss)
{
	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
	pHTInfo->IOTRaFunc &= HT_IOT_RAFUNC_DISABLE_ALL;

	if (pHTInfo->IOTPeer == HT_IOT_PEER_RALINK && !bPeerRx2ss)
		pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_PEER_1R;

	if (pHTInfo->IOTAction & HT_IOT_ACT_AMSDU_ENABLE)
		pHTInfo->IOTRaFunc |= HT_IOT_RAFUNC_TX_AMSDU;

}


u8
HTIOTActIsDisableTx40MHz(struct rtllib_device* ieee,struct rtllib_network *network)
{
	u8	retValue = 0;

	return retValue;
}

u8
HTIOTActIsTxNoAggregation(struct rtllib_device* ieee,struct rtllib_network *network)
{
	u8 retValue = 0;

	return retValue;
}


u8
HTIOTActIsDisableTx2SS(struct rtllib_device* ieee,struct rtllib_network *network)
{
	u8	retValue = 0;

	return retValue;
}


bool HTIOCActIsDisableCckRate(struct rtllib_device* ieee,struct rtllib_network *network)
{
	bool	retValue = false;
	return retValue;
}

bool HTIOCActAllowPeerAggOnePacket(struct rtllib_device* ieee,struct rtllib_network *network)
{
	bool	retValue = false;
	return retValue;
}

bool
HTIOTActIsNullDataPowerSaving(struct rtllib_device* ieee,struct rtllib_network *network)
{
	bool	retValue = false;
	return retValue;
}

void HTResetIOTSetting(
	struct rt_hi_throughput *pHTInfo
)
{
	pHTInfo->IOTAction = 0;
	pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
	pHTInfo->IOTRaFunc = 0;
}


void HTConstructCapabilityElement(struct rtllib_device* ieee, u8* posHTCap, u8* len, u8 IsEncrypt, bool bAssoc)
{
	struct rt_hi_throughput *pHT = ieee->pHTInfo;
	PHT_CAPABILITY_ELE	pCapELE = NULL;

	if ((posHTCap == NULL) || (pHT == NULL))
	{
		RTLLIB_DEBUG(RTLLIB_DL_ERR, "posHTCap or pHTInfo can't be null in HTConstructCapabilityElement()\n");
		return;
	}
	memset(posHTCap, 0, *len);

	if ((bAssoc) && (pHT->ePeerHTSpecVer == HT_SPEC_VER_EWC))
	{
		u8	EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
		memcpy(posHTCap, EWC11NHTCap, sizeof(EWC11NHTCap));
		pCapELE = (PHT_CAPABILITY_ELE)&(posHTCap[4]);
		*len = 30 + 2;
	}else
	{
		pCapELE = (PHT_CAPABILITY_ELE)posHTCap;
		*len = 26 + 2;
	}

	pCapELE->AdvCoding		= 0;
	if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
		pCapELE->ChlWidth = 0;
	else
			pCapELE->ChlWidth = (pHT->bRegBW40MHz?1:0);

	pCapELE->MimoPwrSave		= pHT->SelfMimoPs;
	pCapELE->GreenField		= 0;
	pCapELE->ShortGI20Mhz		= 1;
	pCapELE->ShortGI40Mhz		= 1;

	pCapELE->TxSTBC			= 1;
	pCapELE->RxSTBC			= 0;
	pCapELE->DelayBA		= 0;
	pCapELE->MaxAMSDUSize	= (MAX_RECEIVE_BUFFER_SIZE>=7935)?1:0;
	pCapELE->DssCCk			= ((pHT->bRegBW40MHz)?(pHT->bRegSuppCCK?1:0):0);
	pCapELE->PSMP			= 0;
	pCapELE->LSigTxopProtect	= 0;


	RTLLIB_DEBUG(RTLLIB_DL_HT, "TX HT cap/info ele BW=%d MaxAMSDUSize:%d DssCCk:%d\n", pCapELE->ChlWidth, pCapELE->MaxAMSDUSize, pCapELE->DssCCk);

	if ( IsEncrypt)
	{
		pCapELE->MPDUDensity	= 7;
		pCapELE->MaxRxAMPDUFactor	= 2;
	}
	else
	{
		pCapELE->MaxRxAMPDUFactor	= 3;
		pCapELE->MPDUDensity	= 0;
	}

	memcpy(pCapELE->MCS, ieee->Regdot11HTOperationalRateSet, 16);
	memset(&pCapELE->ExtHTCapInfo, 0, 2);
	memset(pCapELE->TxBFCap, 0, 4);

	pCapELE->ASCap = 0;

	if (bAssoc) {
		if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS15)
			pCapELE->MCS[1] &= 0x7f;

		if (pHT->IOTAction & HT_IOT_ACT_DISABLE_MCS14)
			pCapELE->MCS[1] &= 0xbf;

		if (pHT->IOTAction & HT_IOT_ACT_DISABLE_ALL_2SS)
			pCapELE->MCS[1] &= 0x00;

		if (pHT->IOTAction & HT_IOT_ACT_DISABLE_RX_40MHZ_SHORT_GI)
			pCapELE->ShortGI40Mhz		= 0;

		if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
		{
			pCapELE->ChlWidth = 0;

			pCapELE->MCS[1] = 0;
		}
	}





	return;

}
void HTConstructInfoElement(struct rtllib_device* ieee, u8* posHTInfo, u8* len, u8 IsEncrypt)
{
	struct rt_hi_throughput *pHT = ieee->pHTInfo;
	PHT_INFORMATION_ELE		pHTInfoEle = (PHT_INFORMATION_ELE)posHTInfo;
	if ((posHTInfo == NULL) || (pHTInfoEle == NULL))
	{
		RTLLIB_DEBUG(RTLLIB_DL_ERR, "posHTInfo or pHTInfoEle can't be null in HTConstructInfoElement()\n");
		return;
	}

	memset(posHTInfo, 0, *len);
	if ( (ieee->iw_mode == IW_MODE_ADHOC) || (ieee->iw_mode == IW_MODE_MASTER))
	{
		pHTInfoEle->ControlChl	= ieee->current_network.channel;
		pHTInfoEle->ExtChlOffset = ((pHT->bRegBW40MHz == false)?HT_EXTCHNL_OFFSET_NO_EXT:
							(ieee->current_network.channel<=6)?
							HT_EXTCHNL_OFFSET_UPPER:HT_EXTCHNL_OFFSET_LOWER);
		pHTInfoEle->RecommemdedTxWidth	= pHT->bRegBW40MHz;
		pHTInfoEle->RIFS					= 0;
		pHTInfoEle->PSMPAccessOnly		= 0;
		pHTInfoEle->SrvIntGranularity		= 0;
		pHTInfoEle->OptMode				= pHT->CurrentOpMode;
		pHTInfoEle->NonGFDevPresent		= 0;
		pHTInfoEle->DualBeacon			= 0;
		pHTInfoEle->SecondaryBeacon		= 0;
		pHTInfoEle->LSigTxopProtectFull		= 0;
		pHTInfoEle->PcoActive				= 0;
		pHTInfoEle->PcoPhase				= 0;

		memset(pHTInfoEle->BasicMSC, 0, 16);


		*len = 22 + 2;

	}
	else
	{
		*len = 0;
	}
	return;
}

void HTConstructRT2RTAggElement(struct rtllib_device* ieee, u8* posRT2RTAgg, u8* len)
{
	if (posRT2RTAgg == NULL) {
		RTLLIB_DEBUG(RTLLIB_DL_ERR, "posRT2RTAgg can't be null in HTConstructRT2RTAggElement()\n");
		return;
	}
	memset(posRT2RTAgg, 0, *len);
	*posRT2RTAgg++ = 0x00;
	*posRT2RTAgg++ = 0xe0;
	*posRT2RTAgg++ = 0x4c;
	*posRT2RTAgg++ = 0x02;
	*posRT2RTAgg++ = 0x01;

	*posRT2RTAgg = 0x30;

	if (ieee->bSupportRemoteWakeUp) {
		*posRT2RTAgg |= RT_HT_CAP_USE_WOW;
	}

	*len = 6 + 2;

	return;
}

u8 HT_PickMCSRate(struct rtllib_device* ieee, u8* pOperateMCS)
{
	u8					i;
	if (pOperateMCS == NULL)
	{
		RTLLIB_DEBUG(RTLLIB_DL_ERR, "pOperateMCS can't be null in HT_PickMCSRate()\n");
		return false;
	}

	switch (ieee->mode) {
	case IEEE_A:
	case IEEE_B:
	case IEEE_G:
		for (i=0;i<=15;i++)
				pOperateMCS[i] = 0;
		break;
	case IEEE_N_24G:
	case IEEE_N_5G:
		pOperateMCS[0] &=RATE_ADPT_1SS_MASK;
		pOperateMCS[1] &=RATE_ADPT_2SS_MASK;
		pOperateMCS[3] &=RATE_ADPT_MCS32_MASK;
		break;
	default:
		break;

	}

	return true;
}

u8 HTGetHighestMCSRate(struct rtllib_device* ieee, u8* pMCSRateSet, u8* pMCSFilter)
{
	u8		i, j;
	u8		bitMap;
	u8		mcsRate = 0;
	u8		availableMcsRate[16];
	if (pMCSRateSet == NULL || pMCSFilter == NULL)
	{
		RTLLIB_DEBUG(RTLLIB_DL_ERR, "pMCSRateSet or pMCSFilter can't be null in HTGetHighestMCSRate()\n");
		return false;
	}
	for (i=0; i<16; i++)
		availableMcsRate[i] = pMCSRateSet[i] & pMCSFilter[i];

	for (i = 0; i < 16; i++)
	{
		if (availableMcsRate[i] != 0)
			break;
	}
	if (i == 16)
		return false;

	for (i = 0; i < 16; i++)
	{
		if (availableMcsRate[i] != 0)
		{
			bitMap = availableMcsRate[i];
			for (j = 0; j < 8; j++)
			{
				if ((bitMap%2) != 0)
				{
					if (HTMcsToDataRate(ieee, (8*i+j)) > HTMcsToDataRate(ieee, mcsRate))
						mcsRate = (8*i+j);
				}
				bitMap = bitMap>>1;
			}
		}
	}
	return (mcsRate|0x80);
}

u8 HTFilterMCSRate( struct rtllib_device* ieee, u8* pSupportMCS, u8* pOperateMCS)
{

	u8 i=0;

	for (i=0;i<=15;i++){
		pOperateMCS[i] = ieee->Regdot11TxHTOperationalRateSet[i]&pSupportMCS[i];
	}



	HT_PickMCSRate(ieee, pOperateMCS);

	if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
		pOperateMCS[1] = 0;

	for (i=2; i<=15; i++)
		pOperateMCS[i] = 0;

	return true;
}
void HTSetConnectBwMode(struct rtllib_device* ieee, HT_CHANNEL_WIDTH	Bandwidth, HT_EXTCHNL_OFFSET	Offset);
void HTOnAssocRsp(struct rtllib_device *ieee)
{
	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
	PHT_CAPABILITY_ELE		pPeerHTCap = NULL;
	PHT_INFORMATION_ELE		pPeerHTInfo = NULL;
	u16	nMaxAMSDUSize = 0;
	u8*	pMcsFilter = NULL;

	static u8				EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
	static u8				EWC11NHTInfo[] = {0x00, 0x90, 0x4c, 0x34};

	if ( pHTInfo->bCurrentHTSupport == false )
	{
		RTLLIB_DEBUG(RTLLIB_DL_ERR, "<=== HTOnAssocRsp(): HT_DISABLE\n");
		return;
	}
	RTLLIB_DEBUG(RTLLIB_DL_HT, "===> HTOnAssocRsp_wq(): HT_ENABLE\n");

	if (!memcmp(pHTInfo->PeerHTCapBuf,EWC11NHTCap, sizeof(EWC11NHTCap)))
		pPeerHTCap = (PHT_CAPABILITY_ELE)(&pHTInfo->PeerHTCapBuf[4]);
	else
		pPeerHTCap = (PHT_CAPABILITY_ELE)(pHTInfo->PeerHTCapBuf);

	if (!memcmp(pHTInfo->PeerHTInfoBuf, EWC11NHTInfo, sizeof(EWC11NHTInfo)))
		pPeerHTInfo = (PHT_INFORMATION_ELE)(&pHTInfo->PeerHTInfoBuf[4]);
	else
		pPeerHTInfo = (PHT_INFORMATION_ELE)(pHTInfo->PeerHTInfoBuf);

	RTLLIB_DEBUG_DATA(RTLLIB_DL_DATA|RTLLIB_DL_HT, pPeerHTCap, sizeof(HT_CAPABILITY_ELE));
	HTSetConnectBwMode(ieee, (HT_CHANNEL_WIDTH)(pPeerHTCap->ChlWidth), (HT_EXTCHNL_OFFSET)(pPeerHTInfo->ExtChlOffset));
	pHTInfo->bCurTxBW40MHz = ((pPeerHTInfo->RecommemdedTxWidth == 1)?true:false);

	pHTInfo->bCurShortGI20MHz=
		((pHTInfo->bRegShortGI20MHz)?((pPeerHTCap->ShortGI20Mhz==1)?true:false):false);
	pHTInfo->bCurShortGI40MHz=
		((pHTInfo->bRegShortGI40MHz)?((pPeerHTCap->ShortGI40Mhz==1)?true:false):false);

	pHTInfo->bCurSuppCCK =
		((pHTInfo->bRegSuppCCK)?((pPeerHTCap->DssCCk==1)?true:false):false);


	pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;

	nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize==0)?3839:7935;

	if (pHTInfo->nAMSDU_MaxSize > nMaxAMSDUSize )
		pHTInfo->nCurrent_AMSDU_MaxSize = nMaxAMSDUSize;
	else
		pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;

	pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
	if (ieee->rtllib_ap_sec_type &&
	   (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))){
		if ( (pHTInfo->IOTPeer== HT_IOT_PEER_ATHEROS) ||
				(pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN) )
			pHTInfo->bCurrentAMPDUEnable = false;
	}

	if (!pHTInfo->bRegRT2RTAggregation)
	{
		if (pHTInfo->AMPDU_Factor > pPeerHTCap->MaxRxAMPDUFactor)
			pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
		else
			pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;

	} else {
		if (ieee->current_network.bssht.bdRT2RTAggregation)
		{
			if ( ieee->pairwise_key_type != KEY_TYPE_NA)
				pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
			else
				pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_64K;
		}else
		{
			if (pPeerHTCap->MaxRxAMPDUFactor < HT_AGG_SIZE_32K)
				pHTInfo->CurrentAMPDUFactor = pPeerHTCap->MaxRxAMPDUFactor;
			else
				pHTInfo->CurrentAMPDUFactor = HT_AGG_SIZE_32K;
		}
	}
	if (pHTInfo->MPDU_Density > pPeerHTCap->MPDUDensity)
		pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
	else
		pHTInfo->CurrentMPDUDensity = pPeerHTCap->MPDUDensity;
	if (pHTInfo->IOTAction & HT_IOT_ACT_TX_USE_AMSDU_8K)
	{
		pHTInfo->bCurrentAMPDUEnable = false;
		pHTInfo->ForcedAMSDUMode = HT_AGG_FORCE_ENABLE;
		pHTInfo->ForcedAMSDUMaxSize = 7935;
	}
	pHTInfo->bCurRxReorderEnable = pHTInfo->bRegRxReorderEnable;

	if (pPeerHTCap->MCS[0] == 0)
		pPeerHTCap->MCS[0] = 0xff;

	HTIOTActDetermineRaFunc(ieee, ((pPeerHTCap->MCS[1])!=0));

	HTFilterMCSRate(ieee, pPeerHTCap->MCS, ieee->dot11HTOperationalRateSet);

	pHTInfo->PeerMimoPs = pPeerHTCap->MimoPwrSave;
	if (pHTInfo->PeerMimoPs == MIMO_PS_STATIC)
		pMcsFilter = MCS_FILTER_1SS;
	else
		pMcsFilter = MCS_FILTER_ALL;
	ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, pMcsFilter);
	ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;

	pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;

}

void HTSetConnectBwModeCallback(struct rtllib_device* ieee);
void HTInitializeHTInfo(struct rtllib_device* ieee)
{
	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;

	RTLLIB_DEBUG(RTLLIB_DL_HT, "===========>%s()\n", __func__);
	pHTInfo->bCurrentHTSupport = false;

	pHTInfo->bCurBW40MHz = false;
	pHTInfo->bCurTxBW40MHz = false;

	pHTInfo->bCurShortGI20MHz = false;
	pHTInfo->bCurShortGI40MHz = false;
	pHTInfo->bForcedShortGI = false;

	pHTInfo->bCurSuppCCK = true;

	pHTInfo->bCurrent_AMSDU_Support = false;
	pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;
	pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
	pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;

	memset((void*)(&(pHTInfo->SelfHTCap)), 0, sizeof(pHTInfo->SelfHTCap));
	memset((void*)(&(pHTInfo->SelfHTInfo)), 0, sizeof(pHTInfo->SelfHTInfo));
	memset((void*)(&(pHTInfo->PeerHTCapBuf)), 0, sizeof(pHTInfo->PeerHTCapBuf));
	memset((void*)(&(pHTInfo->PeerHTInfoBuf)), 0, sizeof(pHTInfo->PeerHTInfoBuf));

	pHTInfo->bSwBwInProgress = false;
	pHTInfo->ChnlOp = CHNLOP_NONE;

	pHTInfo->ePeerHTSpecVer = HT_SPEC_VER_IEEE;

	pHTInfo->bCurrentRT2RTAggregation = false;
	pHTInfo->bCurrentRT2RTLongSlotTime = false;
	pHTInfo->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0;

	pHTInfo->IOTPeer = 0;
	pHTInfo->IOTAction = 0;
	pHTInfo->IOTRaFunc = 0;

	{
		u8* RegHTSuppRateSets = &(ieee->RegHTSuppRateSet[0]);
		RegHTSuppRateSets[0] = 0xFF;
		RegHTSuppRateSets[1] = 0xFF;
		RegHTSuppRateSets[4] = 0x01;
	}
}
void HTInitializeBssDesc(PBSS_HT pBssHT)
{

	pBssHT->bdSupportHT = false;
	memset(pBssHT->bdHTCapBuf, 0, sizeof(pBssHT->bdHTCapBuf));
	pBssHT->bdHTCapLen = 0;
	memset(pBssHT->bdHTInfoBuf, 0, sizeof(pBssHT->bdHTInfoBuf));
	pBssHT->bdHTInfoLen = 0;

	pBssHT->bdHTSpecVer= HT_SPEC_VER_IEEE;

	pBssHT->bdRT2RTAggregation = false;
	pBssHT->bdRT2RTLongSlotTime = false;
	pBssHT->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0;
}

void HTResetSelfAndSavePeerSetting(struct rtllib_device* ieee,	struct rtllib_network * pNetwork)
{
	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
	u8	bIOTAction = 0;

	RTLLIB_DEBUG(RTLLIB_DL_HT, "==============>%s()\n", __func__);
	/*unmark bEnableHT flag here is the same reason why unmarked in function rtllib_softmac_new_net. WB 2008.09.10*/
	if (pNetwork->bssht.bdSupportHT)
	{
		pHTInfo->bCurrentHTSupport = true;
		pHTInfo->ePeerHTSpecVer = pNetwork->bssht.bdHTSpecVer;

		if (pNetwork->bssht.bdHTCapLen > 0 &&	pNetwork->bssht.bdHTCapLen <= sizeof(pHTInfo->PeerHTCapBuf))
			memcpy(pHTInfo->PeerHTCapBuf, pNetwork->bssht.bdHTCapBuf, pNetwork->bssht.bdHTCapLen);

		if (pNetwork->bssht.bdHTInfoLen > 0 && pNetwork->bssht.bdHTInfoLen <= sizeof(pHTInfo->PeerHTInfoBuf))
			memcpy(pHTInfo->PeerHTInfoBuf, pNetwork->bssht.bdHTInfoBuf, pNetwork->bssht.bdHTInfoLen);

		if (pHTInfo->bRegRT2RTAggregation)
		{
			pHTInfo->bCurrentRT2RTAggregation = pNetwork->bssht.bdRT2RTAggregation;
			pHTInfo->bCurrentRT2RTLongSlotTime = pNetwork->bssht.bdRT2RTLongSlotTime;
			pHTInfo->RT2RT_HT_Mode = pNetwork->bssht.RT2RT_HT_Mode;
		}
		else
		{
			pHTInfo->bCurrentRT2RTAggregation = false;
			pHTInfo->bCurrentRT2RTLongSlotTime = false;
			pHTInfo->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0;
		}

		HTIOTPeerDetermine(ieee);

		pHTInfo->IOTAction = 0;
		bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid);
		if (bIOTAction)
			pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14;

		bIOTAction = HTIOTActIsDisableMCS15(ieee);
		if (bIOTAction)
			pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS15;

		bIOTAction = HTIOTActIsDisableMCSTwoSpatialStream(ieee);
		if (bIOTAction)
			pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_ALL_2SS;


		bIOTAction = HTIOTActIsDisableEDCATurbo(ieee, pNetwork->bssid);
		if (bIOTAction)
			pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_EDCA_TURBO;

		bIOTAction = HTIOTActIsMgntUseCCK6M(ieee,pNetwork);
		if (bIOTAction)
			pHTInfo->IOTAction |= HT_IOT_ACT_MGNT_USE_CCK_6M;
		bIOTAction = HTIOTActIsCCDFsync(ieee);
		if (bIOTAction)
			pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC;
	} else {
		pHTInfo->bCurrentHTSupport = false;
		pHTInfo->bCurrentRT2RTAggregation = false;
		pHTInfo->bCurrentRT2RTLongSlotTime = false;
		pHTInfo->RT2RT_HT_Mode = (RT_HT_CAPBILITY)0;

		pHTInfo->IOTAction = 0;
		pHTInfo->IOTRaFunc = 0;
	}

}

void HTUpdateSelfAndPeerSetting(struct rtllib_device* ieee,	struct rtllib_network * pNetwork)
{
	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
	PHT_INFORMATION_ELE		pPeerHTInfo = (PHT_INFORMATION_ELE)pNetwork->bssht.bdHTInfoBuf;

	if (pHTInfo->bCurrentHTSupport)
	{
		if (pNetwork->bssht.bdHTInfoLen != 0)
			pHTInfo->CurrentOpMode = pPeerHTInfo->OptMode;

	}
}

void HTUseDefaultSetting(struct rtllib_device* ieee)
{
	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;

	if (pHTInfo->bEnableHT) {
		pHTInfo->bCurrentHTSupport = true;
		pHTInfo->bCurSuppCCK = pHTInfo->bRegSuppCCK;

		pHTInfo->bCurBW40MHz = pHTInfo->bRegBW40MHz;
		pHTInfo->bCurShortGI20MHz= pHTInfo->bRegShortGI20MHz;

		pHTInfo->bCurShortGI40MHz= pHTInfo->bRegShortGI40MHz;

		if (ieee->iw_mode == IW_MODE_ADHOC)
		{
			ieee->current_network.qos_data.active = ieee->current_network.qos_data.supported;
		}
		pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
		pHTInfo->nCurrent_AMSDU_MaxSize = pHTInfo->nAMSDU_MaxSize;

		pHTInfo->bCurrentAMPDUEnable = pHTInfo->bAMPDUEnable;
		pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;

		pHTInfo->CurrentMPDUDensity = pHTInfo->CurrentMPDUDensity;


		HTFilterMCSRate(ieee, ieee->Regdot11TxHTOperationalRateSet, ieee->dot11HTOperationalRateSet);
		ieee->HTHighestOperaRate = HTGetHighestMCSRate(ieee, ieee->dot11HTOperationalRateSet, MCS_FILTER_ALL);
		ieee->HTCurrentOperaRate = ieee->HTHighestOperaRate;

	} else {
		pHTInfo->bCurrentHTSupport = false;
	}
	return;
}

u8 HTCCheck(struct rtllib_device* ieee, u8*	pFrame)
{
	if (ieee->pHTInfo->bCurrentHTSupport)
	{
		if ( (IsQoSDataFrame(pFrame) && Frame_Order(pFrame)) == 1)
		{
			RTLLIB_DEBUG(RTLLIB_DL_HT, "HT CONTROL FILED EXIST!!\n");
			return true;
		}
	}
	return false;
}

void HTSetConnectBwMode(struct rtllib_device* ieee, HT_CHANNEL_WIDTH	Bandwidth, HT_EXTCHNL_OFFSET	Offset)
{
	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;

	if (pHTInfo->bRegBW40MHz == false)
		return;

	if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev))
		Bandwidth=HT_CHANNEL_WIDTH_20;


	if (pHTInfo->bSwBwInProgress) {
		printk("%s: bSwBwInProgress!!\n", __func__);
		return;
	}
	if (Bandwidth==HT_CHANNEL_WIDTH_20_40)
	 {
		if (ieee->current_network.channel<2 && Offset==HT_EXTCHNL_OFFSET_LOWER)
			Offset = HT_EXTCHNL_OFFSET_NO_EXT;
		if (Offset==HT_EXTCHNL_OFFSET_UPPER || Offset==HT_EXTCHNL_OFFSET_LOWER) {
			pHTInfo->bCurBW40MHz = true;
			pHTInfo->CurSTAExtChnlOffset = Offset;
		} else {
			pHTInfo->bCurBW40MHz = false;
			pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
		}
	} else {
		pHTInfo->bCurBW40MHz = false;
		pHTInfo->CurSTAExtChnlOffset = HT_EXTCHNL_OFFSET_NO_EXT;
	}

	printk("%s():pHTInfo->bCurBW40MHz:%x\n", __func__, pHTInfo->bCurBW40MHz);

	pHTInfo->bSwBwInProgress = true;

	HTSetConnectBwModeCallback(ieee);

}

void HTSetConnectBwModeCallback(struct rtllib_device* ieee)
{
	struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;

	RTLLIB_DEBUG(RTLLIB_DL_HT, "======>%s()\n", __func__);
	if (pHTInfo->bCurBW40MHz)
	{
		if (pHTInfo->CurSTAExtChnlOffset==HT_EXTCHNL_OFFSET_UPPER)
			ieee->set_chan(ieee->dev, ieee->current_network.channel+2);
		else if (pHTInfo->CurSTAExtChnlOffset==HT_EXTCHNL_OFFSET_LOWER)
			ieee->set_chan(ieee->dev, ieee->current_network.channel-2);
		else
			ieee->set_chan(ieee->dev, ieee->current_network.channel);

		ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20_40, pHTInfo->CurSTAExtChnlOffset);
	} else {
		ieee->set_chan(ieee->dev, ieee->current_network.channel);
		ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
	}

	pHTInfo->bSwBwInProgress = false;
}