/****************************************************************************
 * Ralink Tech Inc.
 * 4F, No. 2 Technology 5th Rd.
 * Science-based Industrial Park
 * Hsin-chu, Taiwan, R.O.C.
 * (c) Copyright 2002, Ralink Technology, Inc.
 *
 * All rights reserved. Ralink's source code is an unpublished work and the
 * use of a copyright notice does not imply otherwise. This source code
 * contains confidential trade secret material of Ralink Tech. Any attemp
 * or participation in deciphering, decoding, reverse engineering or in any
 * way altering the source code is stricitly prohibited, unless the prior
 * written consent of Ralink Technology, Inc. is obtained.
 ****************************************************************************
 
    Module Name:
    connect.c
 
    Abstract:
    Routines to deal Link UP/DOWN and build/update BEACON frame contents
 
    Revision History:
    Who         When          What
    --------    ----------    ----------------------------------------------
    John Chang  08-04-2003    created for 11g soft-AP
 */

#include "rt_config.h"

UCHAR PowerConstraintIE[3] = {IE_POWER_CONSTRAINT, 1, 3};


/*
	==========================================================================
	Description:
		Used to check the necessary to send Beancon.
	return value
		0: mean no necessary.
		0: mean need to send Beacon for the service.
	==========================================================================
*/
BOOLEAN BeaconTransmitRequired(
	IN RTMP_ADAPTER *pAd,
	IN INT apidx,
	IN MULTISSID_STRUCT *pMbss)
{
	BOOLEAN result = FALSE;

	do
	{

#ifdef CARRIER_DETECTION_SUPPORT
		if (isCarrierDetectExist(pAd) == TRUE)
			break;
#endif /* CARRIER_DETECTION_SUPPORT */


		if (apidx == MAIN_MBSSID)
		{
			if (pMbss->bBcnSntReq == TRUE) 
			{
				result = TRUE;
				break;
			}
		}
		else
		{
			if (pMbss->bBcnSntReq == TRUE) 
				result = TRUE;
		}
	}
	while (FALSE);

	return result;
}


/*
	==========================================================================
	Description:
		Pre-build a BEACON frame in the shared memory
	==========================================================================
*/
VOID APMakeBssBeacon(RTMP_ADAPTER *pAd, INT apidx)
{
	UCHAR DsLen = 1, SsidLen;
	HEADER_802_11 BcnHdr;
	LARGE_INTEGER FakeTimestamp;
	ULONG FrameLen = 0;
	PUCHAR pBeaconFrame = (PUCHAR)pAd->ApCfg.MBSSID[apidx].BeaconBuf;
	UCHAR *ptr;
	UINT i;
	UINT32 longValue, reg_base;
	HTTRANSMIT_SETTING BeaconTransmit = {.word = 0};   /* MGMT frame PHY rate setting when operatin at Ht rate. */
	UCHAR PhyMode, SupRateLen;
	UINT8 TXWISize = pAd->chipCap.TXWISize;

	if(!BeaconTransmitRequired(pAd, apidx, &pAd->ApCfg.MBSSID[apidx]))
		return;

	PhyMode = pAd->ApCfg.MBSSID[apidx].PhyMode;

	if (pAd->ApCfg.MBSSID[apidx].bHideSsid)
		SsidLen = 0;
	else
		SsidLen = pAd->ApCfg.MBSSID[apidx].SsidLen;

	MgtMacHeaderInit(pAd, &BcnHdr, SUBTYPE_BEACON, 0, BROADCAST_ADDR, 
#ifdef P2P_SUPPORT
						pAd->ApCfg.MBSSID[apidx].Bssid,
#endif /* P2P_SUPPORT */
						pAd->ApCfg.MBSSID[apidx].Bssid);
	
	/* for update framelen to TxWI later. */
	SupRateLen = pAd->CommonCfg.SupRateLen;
	if (PhyMode == WMODE_B)
		SupRateLen = 4;

#ifdef P2P_SUPPORT
	if (P2P_GO_ON(pAd))
	{
		UCHAR		SupRate[MAX_LEN_OF_SUPPORTED_RATES];
		UCHAR		SupRateIe = IE_SUPP_RATES;
		UCHAR		SupRateLen = 0;
		
		SupRate[0]	= 0x8C;    /* 6 mbps, in units of 0.5 Mbps, basic rate */
		SupRate[1]	= 0x12;    /* 9 mbps, in units of 0.5 Mbps */
		SupRate[2]	= 0x98;    /* 12 mbps, in units of 0.5 Mbps, basic rate */
		SupRate[3]	= 0x24;    /* 18 mbps, in units of 0.5 Mbps */
		SupRate[4]	= 0xb0;    /* 24 mbps, in units of 0.5 Mbps, basic rate */
		SupRate[5]	= 0x48;    /* 36 mbps, in units of 0.5 Mbps */
		SupRate[6]	= 0x60;    /* 48 mbps, in units of 0.5 Mbps */
		SupRate[7]	= 0x6c;    /* 54 mbps, in units of 0.5 Mbps */
		SupRateLen	= 8;

		MakeOutgoingFrame(pBeaconFrame,                  &FrameLen,
						sizeof(HEADER_802_11),           &BcnHdr, 
						TIMESTAMP_LEN,                   &FakeTimestamp,
						2,                               &pAd->CommonCfg.BeaconPeriod,
						2,                               &pAd->ApCfg.MBSSID[apidx].CapabilityInfo,
						1,                               &SsidIe, 
						1,                               &SsidLen, 
						SsidLen,                       pAd->ApCfg.MBSSID[apidx].Ssid,
						1,                               &SupRateIe, 
						1,                               &SupRateLen,
						SupRateLen,                 &SupRate, 
						1,                               &DsIe, 
						1,                               &DsLen, 
						1,                               &pAd->CommonCfg.Channel,
						END_OF_ARGS);

	}
	else
#endif /* P2P_SUPPORT */
	MakeOutgoingFrame(pBeaconFrame,                  &FrameLen,
					sizeof(HEADER_802_11),           &BcnHdr, 
					TIMESTAMP_LEN,                   &FakeTimestamp,
					2,                               &pAd->CommonCfg.BeaconPeriod,
					2,                               &pAd->ApCfg.MBSSID[apidx].CapabilityInfo,
					1,                               &SsidIe, 
					1,                               &SsidLen, 
					SsidLen,                         pAd->ApCfg.MBSSID[apidx].Ssid,
					1,                               &SupRateIe, 
					1,                               &SupRateLen,
					SupRateLen,                      pAd->CommonCfg.SupRate, 
					1,                               &DsIe, 
					1,                               &DsLen, 
					1,                               &pAd->CommonCfg.Channel,
					END_OF_ARGS);

	if ((pAd->CommonCfg.ExtRateLen) && (PhyMode != WMODE_B))
	{
		ULONG TmpLen;
		MakeOutgoingFrame(pBeaconFrame+FrameLen,         &TmpLen,
						1,                               &ExtRateIe, 
						1,                               &pAd->CommonCfg.ExtRateLen,
						pAd->CommonCfg.ExtRateLen,           pAd->CommonCfg.ExtRate, 
						END_OF_ARGS);
		FrameLen += TmpLen;
	}


    /* add country IE, power constraint IE */
	if (pAd->CommonCfg.bCountryFlag)
	{
		ULONG TmpLen, TmpLen2=0;
		UCHAR *TmpFrame = NULL;
		UCHAR CountryIe = IE_COUNTRY;

		os_alloc_mem(NULL, (UCHAR **)&TmpFrame, 256);
		if (TmpFrame != NULL)
		{
			NdisZeroMemory(TmpFrame, 256);

			/* prepare channel information */
#ifdef EXT_BUILD_CHANNEL_LIST
			BuildBeaconChList(pAd, TmpFrame, &TmpLen2);
#else
			{
				UCHAR MaxTxPower = GetCuntryMaxTxPwr(pAd, pAd->CommonCfg.Channel);
				MakeOutgoingFrame(TmpFrame+TmpLen2,     &TmpLen,
									1,                 	&pAd->ChannelList[0].Channel,
									1,                 	&pAd->ChannelListNum,
									1,                 	&MaxTxPower,
									END_OF_ARGS);
				TmpLen2 += TmpLen;
			}
#endif /* EXT_BUILD_CHANNEL_LIST */


			/* need to do the padding bit check, and concatenate it */
			if ((TmpLen2%2) == 0)
			{
				UCHAR	TmpLen3 = TmpLen2+4;
				MakeOutgoingFrame(pBeaconFrame+FrameLen,&TmpLen,
				                  1,                 	&CountryIe,
				                  1,                 	&TmpLen3,
				                  3,                 	pAd->CommonCfg.CountryCode,
				                  TmpLen2+1,				TmpFrame,
				                  END_OF_ARGS);
			}
			else
			{
				UCHAR	TmpLen3 = TmpLen2+3;
				MakeOutgoingFrame(pBeaconFrame+FrameLen,&TmpLen,
				                  1,                 	&CountryIe,
				                  1,                 	&TmpLen3,
				                  3,                 	pAd->CommonCfg.CountryCode,
				                  TmpLen2,				TmpFrame,
				                  END_OF_ARGS);
			}
			FrameLen += TmpLen;

			os_free_mem(NULL, TmpFrame);
		}
		else
			DBGPRINT(RT_DEBUG_ERROR, ("%s: Allocate memory fail!!!\n", __FUNCTION__));
	}


#ifdef DOT11_N_SUPPORT
	/* AP Channel Report */
	{
		UCHAR APChannelReportIe = IE_AP_CHANNEL_REPORT;
		ULONG	TmpLen;

		/*
			802.11n D2.0 Annex J, USA regulatory 
				class 32, channel set 1~7
				class 33, channel set 5-11
		*/
		UCHAR rclass32[]={32, 1, 2, 3, 4, 5, 6, 7};
        UCHAR rclass33[]={33, 5, 6, 7, 8, 9, 10, 11};
		UCHAR rclasslen = 8; /*sizeof(rclass32); */
		if (PhyMode == (WMODE_B | WMODE_G | WMODE_GN))
		{
			MakeOutgoingFrame(pBeaconFrame+FrameLen,&TmpLen,
							  1,                    &APChannelReportIe,
							  1,                    &rclasslen,
							  rclasslen,            rclass32,
   							  1,                    &APChannelReportIe,
							  1,                    &rclasslen,
							  rclasslen,            rclass33,
							  END_OF_ARGS);
			FrameLen += TmpLen;		
		}
	}

#endif /* DOT11_N_SUPPORT */


	RTMPWriteTxWI(pAd, &pAd->BeaconTxWI, FALSE, FALSE, TRUE, FALSE, FALSE, TRUE, 0, BSS0Mcast_WCID, 
		FrameLen, PID_MGMT, 0, 0,IFS_HTTXOP, FALSE, &BeaconTransmit);

	/*
		step 6. move BEACON TXD and frame content to on-chip memory
	*/
	ptr = (PUCHAR)&pAd->BeaconTxWI;
#ifdef RT_BIG_ENDIAN
    RTMPWIEndianChange(pAd, ptr, TYPE_TXWI);
#endif


	reg_base = pAd->BeaconOffset[pAd->ApCfg.MBSSID[apidx].BcnBufIdx];
	for (i=0; i < TXWISize; i+=4)
	{
		longValue = *ptr + (*(ptr+1)<<8) + (*(ptr+2)<<16) + (*(ptr+3)<<24);
		RTMP_CHIP_UPDATE_BEACON(pAd, reg_base + i, longValue, 4);
		ptr += 4;
	}

	/* update BEACON frame content. start right after the TXWI field. */
	ptr = (PUCHAR)pAd->ApCfg.MBSSID[apidx].BeaconBuf;
#ifdef RT_BIG_ENDIAN
	RTMPFrameEndianChange(pAd, ptr, DIR_WRITE, FALSE);
#endif

	reg_base = pAd->BeaconOffset[pAd->ApCfg.MBSSID[apidx].BcnBufIdx] + TXWISize;
	for (i= 0; i< FrameLen; i+=4)
	{
		longValue =  *ptr + (*(ptr+1)<<8) + (*(ptr+2)<<16) + (*(ptr+3)<<24);
		RTMP_CHIP_UPDATE_BEACON(pAd, reg_base + i, longValue, 4);
		ptr += 4;
	}

	pAd->ApCfg.MBSSID[apidx].TimIELocationInBeacon = (UCHAR)FrameLen; 
	pAd->ApCfg.MBSSID[apidx].CapabilityInfoLocationInBeacon = sizeof(HEADER_802_11) + TIMESTAMP_LEN + 2;
}


/*
	==========================================================================
	Description:
		Update the BEACON frame in the shared memory. Because TIM IE is variable
		length. other IEs after TIM has to shift and total frame length may change
		for each BEACON period.
	Output:
		pAd->ApCfg.MBSSID[apidx].CapabilityInfo
		pAd->ApCfg.ErpIeContent
	==========================================================================
*/
VOID APUpdateBeaconFrame(RTMP_ADAPTER *pAd, INT apidx)
{
	UCHAR *pBeaconFrame = (PUCHAR)pAd->ApCfg.MBSSID[apidx].BeaconBuf;
	UCHAR *ptr;
	ULONG FrameLen = pAd->ApCfg.MBSSID[apidx].TimIELocationInBeacon;
	ULONG UpdatePos = pAd->ApCfg.MBSSID[apidx].TimIELocationInBeacon;
	UCHAR RSNIe=IE_WPA, RSNIe2=IE_WPA2;
	UCHAR ID_1B, TimFirst, TimLast, *pTim;
	MULTISSID_STRUCT *pMbss;
	COMMON_CONFIG *pComCfg;
	UCHAR PhyMode;
	BOOLEAN bHasWpsIE = FALSE;
	UINT  i;
	HTTRANSMIT_SETTING	BeaconTransmit = {.word = 0};   /* MGMT frame PHY rate setting when operatin at Ht rate. */

	pMbss = &pAd->ApCfg.MBSSID[apidx];
	pComCfg = &pAd->CommonCfg;
	PhyMode = pMbss->PhyMode;

	if(!BeaconTransmitRequired(pAd, apidx, pMbss))
		return;

	/*
		step 1 - update BEACON's Capability
	*/
	ptr = pBeaconFrame + pMbss->CapabilityInfoLocationInBeacon;
	*ptr = (UCHAR)(pMbss->CapabilityInfo & 0x00ff);
	*(ptr+1) = (UCHAR)((pMbss->CapabilityInfo & 0xff00) >> 8);

	/*
		step 2 - update TIM IE
		TODO: enlarge TIM bitmap to support up to 64 STAs
		TODO: re-measure if RT2600 TBTT interrupt happens faster than BEACON sent out time
	*/
	ptr = pBeaconFrame + pMbss->TimIELocationInBeacon;
	*ptr = IE_TIM;
	*(ptr + 2) = pAd->ApCfg.DtimCount;
	*(ptr + 3) = pAd->ApCfg.DtimPeriod;

	/* find the smallest AID (PS mode) */
	TimFirst = 0; /* record first TIM byte != 0x00 */
	TimLast = 0;  /* record last  TIM byte != 0x00 */
	pTim = pMbss->TimBitmaps;

	for(ID_1B=0; ID_1B<WLAN_MAX_NUM_OF_TIM; ID_1B++)
	{
		/* get the TIM indicating PS packets for 8 stations */
		UCHAR tim_1B = pTim[ID_1B];

		if (ID_1B == 0)
			tim_1B &= 0xfe; /* skip bit0 bc/mc */

		if (tim_1B == 0)
			continue; /* find next 1B */

		if (TimFirst == 0)
			TimFirst = ID_1B;

		TimLast = ID_1B;
	}

	/* fill TIM content to beacon buffer */
	if (TimFirst & 0x01)
		TimFirst --; /* find the even offset byte */

	*(ptr + 1) = 3+(TimLast-TimFirst+1); /* TIM IE length */
	*(ptr + 4) = TimFirst;

	for(i=TimFirst; i<=TimLast; i++)
		*(ptr + 5 + i - TimFirst) = pTim[i];

	/* bit0 means backlogged mcast/bcast */
    if (pAd->ApCfg.DtimCount == 0)
		*(ptr + 4) |= (pMbss->TimBitmaps[WLAN_CT_TIM_BCMC_OFFSET] & 0x01); 

	/* adjust BEACON length according to the new TIM */
	FrameLen += (2 + *(ptr+1)); 

#ifdef HOSTAPD_SUPPORT
	if ( pAd->ApCfg.MBSSID[apidx].HostapdWPS && (pAd->ApCfg.MBSSID[apidx].WscIEBeacon.ValueLen))
		bHasWpsIE = TRUE;
#endif

#ifdef WSC_AP_SUPPORT
    /* add Simple Config Information Element */
    if (((pAd->ApCfg.MBSSID[apidx].WscControl.WscConfMode >= 1) && (pAd->ApCfg.MBSSID[apidx].WscIEBeacon.ValueLen)))
    {
    	bHasWpsIE = TRUE;
    }
#endif /* WSC_AP_SUPPORT */

	if (bHasWpsIE)
    {
		ULONG WscTmpLen = 0;
        
		MakeOutgoingFrame(pBeaconFrame+FrameLen,                            &WscTmpLen,
						  pAd->ApCfg.MBSSID[apidx].WscIEBeacon.ValueLen,    pAd->ApCfg.MBSSID[apidx].WscIEBeacon.Value,
                              END_OF_ARGS);
		FrameLen += WscTmpLen;		  
    }

#ifdef WSC_AP_SUPPORT
    if ((pAd->ApCfg.MBSSID[apidx].WscControl.WscConfMode != WSC_DISABLE) &&
#ifdef DOT1X_SUPPORT
        (pAd->ApCfg.MBSSID[apidx].IEEE8021X == FALSE) && 
#endif /* DOT1X_SUPPORT */		
        (pAd->ApCfg.MBSSID[apidx].WepStatus == Ndis802_11WEPEnabled))
    {
        /*
            Non-WPS Windows XP and Vista PCs are unable to determine if a WEP enalbed network is static key based 
            or 802.1X based. If the legacy station gets an EAP-Rquest/Identity from the AP, it assume the WEP
            network is 802.1X enabled & will prompt the user for 802.1X credentials. If the legacy station doesn't
            receive anything after sending an EAPOL-Start, it will assume the WEP network is static key based and
            prompt user for the WEP key. <<from "WPS and Static Key WEP Networks">>
            A WPS enabled AP should include this IE in the beacon when the AP is hosting a static WEP key network.  
            The IE would be 7 bytes long with the Extended Capability field set to 0 (all bits zero)
            http:msdn.microsoft.com/library/default.asp?url=/library/en-us/randz/protocol/securing_public_wi-fi_hotspots.asp
        */
        ULONG TempLen = 0;
        UCHAR PROVISION_SERVICE_IE[7] = {0xDD, 0x05, 0x00, 0x50, 0xF2, 0x05, 0x00};
        MakeOutgoingFrame(pBeaconFrame+FrameLen,        &TempLen,
						  7,                            PROVISION_SERVICE_IE,
                          END_OF_ARGS);
        FrameLen += TempLen;
    }
#endif /* WSC_AP_SUPPORT */
    	

	/* Update ERP */
    if ((pComCfg->ExtRateLen) && (PhyMode != WMODE_B))
    {
        /* fill ERP IE */
        ptr = (UCHAR *)pBeaconFrame + FrameLen; /* pTxD->DataByteCnt; */
        *ptr = IE_ERP;
        *(ptr + 1) = 1;
        *(ptr + 2) = pAd->ApCfg.ErpIeContent;
		FrameLen += 3;
	}

#ifdef A_BAND_SUPPORT
	/* fill up Channel Switch Announcement Element */
	if ((pComCfg->Channel > 14)
		&& (pComCfg->bIEEE80211H == 1)
		&& (pAd->Dot11_H.RDMode == RD_SWITCHING_MODE))
	{
		ptr = pBeaconFrame + FrameLen;
		*ptr = IE_CHANNEL_SWITCH_ANNOUNCEMENT;
		*(ptr + 1) = 3;
		*(ptr + 2) = 1;
		*(ptr + 3) = pComCfg->Channel;
		*(ptr + 4) = (pAd->Dot11_H.CSPeriod - pAd->Dot11_H.CSCount - 1);
		ptr      += 5;
		FrameLen += 5;

#ifdef DOT11_N_SUPPORT
		/* Extended Channel Switch Announcement Element */
		if (pComCfg->bExtChannelSwitchAnnouncement)
		{
			HT_EXT_CHANNEL_SWITCH_ANNOUNCEMENT_IE	HtExtChannelSwitchIe;
			build_ext_channel_switch_ie(pAd, &HtExtChannelSwitchIe);
			NdisMoveMemory(ptr, &HtExtChannelSwitchIe, sizeof(HT_EXT_CHANNEL_SWITCH_ANNOUNCEMENT_IE));
			ptr += sizeof(HT_EXT_CHANNEL_SWITCH_ANNOUNCEMENT_IE);
			FrameLen += sizeof(HT_EXT_CHANNEL_SWITCH_ANNOUNCEMENT_IE);
		}
#endif /* DOT11_N_SUPPORT */
	}
#endif /* A_BAND_SUPPORT */

#ifdef DOT11_N_SUPPORT
	/* step 5. Update HT. Since some fields might change in the same BSS. */
	if (WMODE_CAP_N(PhyMode) && (pMbss->DesiredHtPhyInfo.bHtEnable))
	{
		ULONG TmpLen;
		UCHAR HtLen, HtLen1;
		/*UCHAR i; */

#ifdef RT_BIG_ENDIAN
		HT_CAPABILITY_IE HtCapabilityTmp;
		ADD_HT_INFO_IE	addHTInfoTmp;
/*		USHORT	b2lTmp, b2lTmp2; // no use */
#endif

		/* add HT Capability IE */
		HtLen = sizeof(pComCfg->HtCapability);
		HtLen1 = sizeof(pComCfg->AddHTInfo);
#ifndef RT_BIG_ENDIAN
		MakeOutgoingFrame(pBeaconFrame+FrameLen,         &TmpLen,
								  1,                                &HtCapIe,
								  1,                                &HtLen,
								 HtLen,          &pComCfg->HtCapability, 
								  1,                                &AddHtInfoIe,
								  1,                                &HtLen1,
								 HtLen1,          &pComCfg->AddHTInfo, 
						  END_OF_ARGS);
#else
		NdisMoveMemory(&HtCapabilityTmp, &pComCfg->HtCapability, HtLen);
		*(USHORT *)(&HtCapabilityTmp.HtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.HtCapInfo));
#ifdef UNALIGNMENT_SUPPORT
		{
			EXT_HT_CAP_INFO extHtCapInfo;

			NdisMoveMemory((PUCHAR)(&extHtCapInfo), (PUCHAR)(&HtCapabilityTmp.ExtHtCapInfo), sizeof(EXT_HT_CAP_INFO));
			*(USHORT *)(&extHtCapInfo) = cpu2le16(*(USHORT *)(&extHtCapInfo));
			NdisMoveMemory((PUCHAR)(&HtCapabilityTmp.ExtHtCapInfo), (PUCHAR)(&extHtCapInfo), sizeof(EXT_HT_CAP_INFO));		
		}
#else
		*(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo));
#endif /* UNALIGNMENT_SUPPORT */

		NdisMoveMemory(&addHTInfoTmp, &pComCfg->AddHTInfo, HtLen1);
		*(USHORT *)(&addHTInfoTmp.AddHtInfo2) = SWAP16(*(USHORT *)(&addHTInfoTmp.AddHtInfo2));
		*(USHORT *)(&addHTInfoTmp.AddHtInfo3) = SWAP16(*(USHORT *)(&addHTInfoTmp.AddHtInfo3));

		MakeOutgoingFrame(pBeaconFrame+FrameLen,         &TmpLen,
								  1,                                &HtCapIe,
								  1,                                &HtLen,
								 HtLen,                   &HtCapabilityTmp, 
								  1,                                &AddHtInfoIe,
								  1,                                &HtLen1,
								 HtLen1,                   &addHTInfoTmp, 
						  END_OF_ARGS);
#endif
		FrameLen += TmpLen;

#ifdef DOT11N_DRAFT3
	 	/*
			P802.11n_D3.03, 7.3.2.60 Overlapping BSS Scan Parameters IE
		*/
	 	if ((pComCfg->Channel <= 14) &&
			(pComCfg->HtCapability.HtCapInfo.ChannelWidth == 1))
	 	{
			OVERLAP_BSS_SCAN_IE  OverlapScanParam;
			ULONG	TmpLen;
			UCHAR	OverlapScanIE, ScanIELen;

			OverlapScanIE = IE_OVERLAPBSS_SCAN_PARM;
			ScanIELen = 14;
			OverlapScanParam.ScanPassiveDwell = cpu2le16(pComCfg->Dot11OBssScanPassiveDwell);
			OverlapScanParam.ScanActiveDwell = cpu2le16(pComCfg->Dot11OBssScanActiveDwell);
			OverlapScanParam.TriggerScanInt = cpu2le16(pComCfg->Dot11BssWidthTriggerScanInt);
			OverlapScanParam.PassiveTalPerChannel = cpu2le16(pComCfg->Dot11OBssScanPassiveTotalPerChannel);
			OverlapScanParam.ActiveTalPerChannel = cpu2le16(pComCfg->Dot11OBssScanActiveTotalPerChannel);
			OverlapScanParam.DelayFactor = cpu2le16(pComCfg->Dot11BssWidthChanTranDelayFactor);
			OverlapScanParam.ScanActThre = cpu2le16(pComCfg->Dot11OBssScanActivityThre);
			
			MakeOutgoingFrame(pBeaconFrame + FrameLen, &TmpLen,
								1,			&OverlapScanIE,
								1,			&ScanIELen,
								ScanIELen,	&OverlapScanParam,
								END_OF_ARGS);
			
			FrameLen += TmpLen;
	 	}
#endif /* DOT11N_DRAFT3 */

#ifdef DOT11_VHT_AC
		if (WMODE_CAP_AC(PhyMode) && (pComCfg->Channel > 14))
		{
			int _len = build_vht_ies(pAd, (UCHAR *)(pBeaconFrame+FrameLen), SUBTYPE_BEACON);
			FrameLen += _len;
		}
#endif /* DOT11_VHT_AC */
	}
#endif /* DOT11_N_SUPPORT */

#if defined(DOT11N_DRAFT3) || defined(DOT11V_WNM_SUPPORT)
	/* 7.3.2.27 Extended Capabilities IE */
	{
		ULONG TmpLen, infoPos;
		PUCHAR pInfo;
		UCHAR extInfoLen;
		BOOLEAN	bNeedAppendExtIE = FALSE;
		EXT_CAP_INFO_ELEMENT	extCapInfo;


		extInfoLen = sizeof(EXT_CAP_INFO_ELEMENT);
		NdisZeroMemory(&extCapInfo, extInfoLen);

#ifdef DOT11_N_SUPPORT
#ifdef DOT11N_DRAFT3
		/* P802.11n_D1.10, HT Information Exchange Support */
		if (WMODE_CAP_N(PhyMode) && (pComCfg->Channel <= 14) &&
			(pMbss->DesiredHtPhyInfo.bHtEnable) &&
			(pComCfg->bBssCoexEnable == TRUE)
		)
		{
			extCapInfo.BssCoexistMgmtSupport = 1;
		}
#endif /* DOT11N_DRAFT3 */
#endif /* DOT11_N_SUPPORT */


		pInfo = (PUCHAR)(&extCapInfo);
		for (infoPos = 0; infoPos < extInfoLen; infoPos++)
		{
			if (pInfo[infoPos] != 0)
			{
				bNeedAppendExtIE = TRUE;
				break;
			}
		}

		if (bNeedAppendExtIE == TRUE)
		{
			MakeOutgoingFrame(pBeaconFrame+FrameLen, &TmpLen,
							1, &ExtCapIe,
							1, &extInfoLen,
							extInfoLen, &extCapInfo,
							END_OF_ARGS);
			FrameLen += TmpLen;
		}
	}
#endif /* defined(DOT11N_DRAFT3) || defined(DOT11V_WNM_SUPPORT) */


	if ((pMbss->AuthMode == Ndis802_11AuthModeWPA) || 
		(pMbss->AuthMode == Ndis802_11AuthModeWPAPSK))
		RSNIe = IE_WPA;
	else if ((pMbss->AuthMode == Ndis802_11AuthModeWPA2) || 
		(pMbss->AuthMode == Ndis802_11AuthModeWPA2PSK))
		RSNIe = IE_WPA2;
#ifdef WAPI_SUPPORT
	else if ((pMbss->AuthMode == Ndis802_11AuthModeWAICERT) || 
		(pMbss->AuthMode == Ndis802_11AuthModeWAIPSK))
		RSNIe = IE_WAPI;
#endif /* WAPI_SUPPORT */

	/* Append RSN_IE when  WPA OR WPAPSK, */
	if ((pMbss->AuthMode == Ndis802_11AuthModeWPA1WPA2) || 
		(pMbss->AuthMode == Ndis802_11AuthModeWPA1PSKWPA2PSK))
	{
		ULONG TmpLen;
		MakeOutgoingFrame(pBeaconFrame+FrameLen,        &TmpLen,
						  1,                            &RSNIe,
						  1,                            &pMbss->RSNIE_Len[0],
						  pMbss->RSNIE_Len[0],      pMbss->RSN_IE[0],
						  1,                            &RSNIe2,
						  1,                            &pMbss->RSNIE_Len[1],
						  pMbss->RSNIE_Len[1],      pMbss->RSN_IE[1],
						  END_OF_ARGS);
		FrameLen += TmpLen;
	}
	else if (pMbss->AuthMode >= Ndis802_11AuthModeWPA)
	{
		ULONG TmpLen;
		MakeOutgoingFrame(pBeaconFrame+FrameLen,        &TmpLen,
						  1,                            &RSNIe,
						  1,                            &pMbss->RSNIE_Len[0],
						  pMbss->RSNIE_Len[0],      pMbss->RSN_IE[0],
						  END_OF_ARGS);
		FrameLen += TmpLen;
	}

	/* add WMM IE here */
	if (pMbss->bWmmCapable)
	{
		ULONG TmpLen;
		UCHAR i;
		UCHAR WmeParmIe[26] = {IE_VENDOR_SPECIFIC, 24, 0x00, 0x50, 0xf2, 0x02, 0x01, 0x01, 0, 0}; 
		UINT8 AIFSN[4];

		WmeParmIe[8] = pAd->ApCfg.BssEdcaParm.EdcaUpdateCount & 0x0f;

#ifdef UAPSD_SUPPORT
        UAPSD_MR_IE_FILL(WmeParmIe[8], &pMbss->UapsdInfo);
#endif /* UAPSD_SUPPORT */

		NdisMoveMemory(AIFSN, pAd->ApCfg.BssEdcaParm.Aifsn, sizeof(AIFSN));


		for (i=QID_AC_BE; i<=QID_AC_VO; i++)
		{
			WmeParmIe[10+ (i*4)] = (i << 5)                                         +     /* b5-6 is ACI */
								   ((UCHAR)pAd->ApCfg.BssEdcaParm.bACM[i] << 4)     +     /* b4 is ACM */
								   (AIFSN[i] & 0x0f);              /* b0-3 is AIFSN */
			WmeParmIe[11+ (i*4)] = (pAd->ApCfg.BssEdcaParm.Cwmax[i] << 4)           +     /* b5-8 is CWMAX */
								   (pAd->ApCfg.BssEdcaParm.Cwmin[i] & 0x0f);              /* b0-3 is CWMIN */
			WmeParmIe[12+ (i*4)] = (UCHAR)(pAd->ApCfg.BssEdcaParm.Txop[i] & 0xff);        /* low byte of TXOP */
			WmeParmIe[13+ (i*4)] = (UCHAR)(pAd->ApCfg.BssEdcaParm.Txop[i] >> 8);          /* high byte of TXOP */
		}

		MakeOutgoingFrame(pBeaconFrame+FrameLen,         &TmpLen,
						  26,                            WmeParmIe,
						  END_OF_ARGS);
		FrameLen += TmpLen;
	}

#ifdef AP_QLOAD_SUPPORT
	if (pAd->FlgQloadEnable != 0)
	{
		FrameLen += QBSS_LoadElementAppend(pAd, pBeaconFrame+FrameLen);
	}
#endif /* AP_QLOAD_SUPPORT */

#ifdef A_BAND_SUPPORT
	/* 
		Only 802.11a APs that comply with 802.11h are required to include a 
		Power Constrint Element(IE=32) in beacons and probe response frames
	*/
	if (((pComCfg->Channel > 14) && pComCfg->bIEEE80211H == TRUE)
		)
	{
		ULONG TmpLen;
		UINT8 PwrConstraintIE = IE_POWER_CONSTRAINT;
		UINT8 PwrConstraintLen = 1;
		UINT8 PwrConstraint = pComCfg->PwrConstraint;

		/* prepare power constraint IE */
		MakeOutgoingFrame(pBeaconFrame+FrameLen,	&TmpLen,
						1,							&PwrConstraintIE,
						1,							&PwrConstraintLen,
						1,							&PwrConstraint,
						END_OF_ARGS);
		FrameLen += TmpLen;
	}
#endif /* A_BAND_SUPPORT */


#ifdef DOT11_N_SUPPORT
	if (WMODE_CAP_N(PhyMode) && 
		(pMbss->DesiredHtPhyInfo.bHtEnable))
	{
		ULONG TmpLen;
		UCHAR HtLen, HtLen1;
		/*UCHAR i; */
#ifdef RT_BIG_ENDIAN
		HT_CAPABILITY_IE HtCapabilityTmp;
		ADD_HT_INFO_IE	addHTInfoTmp;
/*		USHORT	b2lTmp, b2lTmp2;*/ /* no use */
#endif
		/* add HT Capability IE */
		HtLen = sizeof(pComCfg->HtCapability);
		HtLen1 = sizeof(pComCfg->AddHTInfo);

		if (pAd->bBroadComHT == TRUE)
		{
			UCHAR epigram_ie_len;
			UCHAR BROADCOM_HTC[4] = {0x0, 0x90, 0x4c, 0x33};
			UCHAR BROADCOM_AHTINFO[4] = {0x0, 0x90, 0x4c, 0x34};


			epigram_ie_len = HtLen + 4;
#ifndef RT_BIG_ENDIAN
			MakeOutgoingFrame(pBeaconFrame + FrameLen,      &TmpLen,
						  1,                                &WpaIe,
						  1,                                &epigram_ie_len,
						  4,                                &BROADCOM_HTC[0],
						  HtLen,          					&pComCfg->HtCapability, 
						  END_OF_ARGS);
#else
			NdisMoveMemory(&HtCapabilityTmp, &pComCfg->HtCapability, HtLen);
			*(USHORT *)(&HtCapabilityTmp.HtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.HtCapInfo));
#ifdef UNALIGNMENT_SUPPORT
		{
			EXT_HT_CAP_INFO extHtCapInfo;

			NdisMoveMemory((PUCHAR)(&extHtCapInfo), (PUCHAR)(&HtCapabilityTmp.ExtHtCapInfo), sizeof(EXT_HT_CAP_INFO));
			*(USHORT *)(&extHtCapInfo) = cpu2le16(*(USHORT *)(&extHtCapInfo));
			NdisMoveMemory((PUCHAR)(&HtCapabilityTmp.ExtHtCapInfo), (PUCHAR)(&extHtCapInfo), sizeof(EXT_HT_CAP_INFO));		
		}
#else
			*(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo) = SWAP16(*(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo));
#endif /* UNALIGNMENT_SUPPORT */

			MakeOutgoingFrame(pBeaconFrame + FrameLen,       &TmpLen,
						1,                               &WpaIe,
						1,                               &epigram_ie_len,
						4,                               &BROADCOM_HTC[0], 
						HtLen,                           &HtCapabilityTmp,
						END_OF_ARGS);
#endif

			FrameLen += TmpLen;

			epigram_ie_len = HtLen1 + 4;
#ifndef RT_BIG_ENDIAN
			MakeOutgoingFrame(pBeaconFrame + FrameLen,        &TmpLen,
						  1,                                &WpaIe,
						  1,                                &epigram_ie_len,
						  4,                                &BROADCOM_AHTINFO[0],
						  HtLen1, 							&pComCfg->AddHTInfo, 
						  END_OF_ARGS);
#else
			NdisMoveMemory(&addHTInfoTmp, &pComCfg->AddHTInfo, HtLen1);
			*(USHORT *)(&addHTInfoTmp.AddHtInfo2) = SWAP16(*(USHORT *)(&addHTInfoTmp.AddHtInfo2));
			*(USHORT *)(&addHTInfoTmp.AddHtInfo3) = SWAP16(*(USHORT *)(&addHTInfoTmp.AddHtInfo3));

			MakeOutgoingFrame(pBeaconFrame + FrameLen,         &TmpLen,
							1,                             &WpaIe,
							1,                             &epigram_ie_len,
							4,                             &BROADCOM_AHTINFO[0],
							HtLen1,                        &addHTInfoTmp,
							END_OF_ARGS);
#endif
			FrameLen += TmpLen;
		}
	}
#endif /* DOT11_N_SUPPORT */

   	/* add Ralink-specific IE here - Byte0.b0=1 for aggregation, Byte0.b1=1 for piggy-back */
{
	ULONG TmpLen;
	UCHAR RalinkSpecificIe[9] = {IE_VENDOR_SPECIFIC, 7, 0x00, 0x0c, 0x43, 0x00, 0x00, 0x00, 0x00};

	if (pComCfg->bAggregationCapable)
		RalinkSpecificIe[5] |= 0x1;
	if (pComCfg->bPiggyBackCapable)
		RalinkSpecificIe[5] |= 0x2;
#ifdef DOT11_N_SUPPORT
	if (pComCfg->bRdg)
		RalinkSpecificIe[5] |= 0x4;
#endif /* DOT11_N_SUPPORT */
	MakeOutgoingFrame(pBeaconFrame+FrameLen, &TmpLen,
						9,                   RalinkSpecificIe,
						END_OF_ARGS);
	FrameLen += TmpLen;

}
	
#ifdef P2P_SUPPORT
	if (P2P_GO_ON(pAd))
	{
                PUCHAR  pP2pNoAIE = NULL;
                ULONG   P2pTmpLen;
                UCHAR   P2pCapId = SUBID_P2P_CAP, P2pDevId = SUBID_P2P_DEVICE_ID;
                USHORT  P2pCapIdLen = 2, P2pDevIdLen = 6;
                UCHAR   P2pIEFixed[6] = {0xdd, 0x12, 0x50, 0x6f, 0x9a, 0x9};

                MakeOutgoingFrame(pBeaconFrame+FrameLen,        &P2pTmpLen,
                                                  6,                                            &P2pIEFixed[0],
                                                  1,                                            &P2pCapId,
                                                  2,                                            &P2pCapIdLen,
                                                  2,                                            &pAd->P2pCfg.P2pCapability,
                                                  END_OF_ARGS);
                FrameLen += P2pTmpLen;

                MakeOutgoingFrame(pBeaconFrame+FrameLen,        &P2pTmpLen,
                                                  1,                                            &P2pDevId,
                                                  2,                                            &P2pDevIdLen,
                                                  6,                                            &pAd->P2pCfg.CurrentAddress,
                                                          END_OF_ARGS);
                FrameLen += P2pTmpLen;

                /* NoA */
                pP2pNoAIE = pBeaconFrame + FrameLen;
                P2pTmpLen = P2pUpdateNoABeacon(pAd, apidx, pP2pNoAIE);
		FrameLen += P2pTmpLen;
		BeaconTransmit.field.MODE = MODE_OFDM;
		BeaconTransmit.field.MCS = MCS_RATE_6;

	}

#ifdef WFD_SUPPORT
	/* Call InsertWfdSubelmtTlv directly for beacon update (timing issue) */
	if (pAd->StaCfg.WfdCfg.bWfdEnable)
	{
		PUCHAR	pData;
		ULONG TmpLen = 0, Len = 0;
		UCHAR WfdIEFixed[6] = {0xdd, 0x0c, 0x50, 0x6f, 0x9a, 0x0a};  /* Length will be modified later */

		pData = pBeaconFrame + FrameLen;
		RTMPMoveMemory(pData, &WfdIEFixed[0], 6);
		Len += 6;
		pData += 6;
		
		TmpLen = InsertWfdSubelmtTlv(pAd, SUBID_WFD_DEVICE_INFO, NULL, pData, ACTION_WIFI_DIRECT);
		Len += TmpLen;
		pData += TmpLen;

		TmpLen = InsertWfdSubelmtTlv(pAd, SUBID_WFD_ASSOCIATED_BSSID, NULL, pData, ACTION_WIFI_DIRECT);
		Len += TmpLen;
		pData += TmpLen;

		TmpLen = InsertWfdSubelmtTlv(pAd, SUBID_WFD_COUPLED_SINK_INFO, NULL, pData, ACTION_WIFI_DIRECT);
		Len += TmpLen;
		pData += TmpLen;

		*(pBeaconFrame + FrameLen + 1) = (Len-2);
		FrameLen += Len;
	}
#endif /* WFD_SUPPORT */
	

#endif /* P2P_SUPPORT */

	/* step 6. Since FrameLen may change, update TXWI. */
#ifdef A_BAND_SUPPORT
	if (pAd->CommonCfg.Channel > 14) {
		BeaconTransmit.field.MODE = MODE_OFDM;
		BeaconTransmit.field.MCS = MCS_RATE_6;
	}
#endif /* A_BAND_SUPPORT */
	RTMPWriteTxWI(pAd, &pAd->BeaconTxWI, FALSE, FALSE, TRUE, FALSE, FALSE, TRUE, 0, 0xff, 
		FrameLen, PID_MGMT, QID_MGMT, 0, IFS_HTTXOP, FALSE, &BeaconTransmit);

	/* step 7. move BEACON TXWI and frame content to on-chip memory */
	RT28xx_UpdateBeaconToAsic(pAd, apidx, FrameLen, UpdatePos);

}


/*
    ==========================================================================
    Description:
        Pre-build All BEACON frame in the shared memory
    ==========================================================================
*/
static UCHAR GetBcnNum(
	IN PRTMP_ADAPTER pAd)
{
	int i;
	int NumBcn;

	NumBcn = 0;
	for (i=0; i<pAd->ApCfg.BssidNum; i++)
	{
		if (pAd->ApCfg.MBSSID[i].bBcnSntReq)
		{
			pAd->ApCfg.MBSSID[i].BcnBufIdx = NumBcn;
			NumBcn ++;
		}
	}


	return NumBcn;
}

VOID APMakeAllBssBeacon(
    IN PRTMP_ADAPTER pAd)
{
	INT		i, j;
	UINT32	regValue;
	UCHAR	NumOfMacs;
	UCHAR	NumOfBcns;
	UINT8 TXWISize = pAd->chipCap.TXWISize;

	/* before MakeBssBeacon, clear all beacon TxD's valid bit */
    /* Note: can not use MAX_MBSSID_NUM here, or
			 1. when MBSS_SUPPORT is enabled;
             2. MAX_MBSSID_NUM will be 8;
			 3. if HW_BEACON_OFFSET is 0x0200,
             we will overwrite other shared memory SRAM of chip */
	/* use pAd->ApCfg.BssidNum to avoid the case is best */

	/* choose the Beacon number */
	NumOfBcns = GetBcnNum(pAd);

	for (i=0; i<HW_BEACON_MAX_COUNT(pAd); i++)
	{
		for (j=0; j < TXWISize; j+=4)
	    {
			RTMP_CHIP_UPDATE_BEACON(pAd, pAd->BeaconOffset[i] + j, 0, 4);
	    }
	}

#ifdef RTMP_MAC_USB
	RTUSBBssBeaconStop(pAd);
#endif /* RTMP_MAC_USB */

	for(i=0; i<pAd->ApCfg.BssidNum; i++)
	{
		APMakeBssBeacon(pAd, i);
	}
	
	RTMP_IO_READ32(pAd, MAC_BSSID_DW1, &regValue);
	regValue &= 0x0000FFFF;

	
	/* 
		Note:
			1.The MAC address of Mesh and AP-Client link are different from Main BSSID.
			2.If the Mesh link is included, its MAC address shall follow the last MBSSID's MAC by increasing 1.
			3.If the AP-Client link is included, its MAC address shall follow the Mesh interface MAC by increasing 1.
	*/
	NumOfMacs = pAd->ApCfg.BssidNum + MAX_MESH_NUM + MAX_APCLI_NUM;

#ifdef P2P_SUPPORT
#ifdef P2P_ODD_MAC_ADJUST
	if (NumOfMacs != 2)
	{
		DBGPRINT(RT_DEBUG_ERROR, 
					("The P2P mode is enabled, the NumOfMacs MUST be 2, NumOfMacs=%d\n",
					NumOfMacs));		
	}
#endif /* P2P_ODD_MAC_ADJUST */
#endif /* P2P_SUPPORT */

	/* set Multiple BSSID mode */
	if (NumOfMacs <= 1)
	{
		pAd->ApCfg.MacMask = ~(1-1);
		/*regValue |= 0x0; */
	}	
	else if (NumOfMacs <= 2)
	{
		if ((pAd->CurrentAddress[5] % 2 != 0)
#ifdef P2P_SUPPORT
#ifdef P2P_ODD_MAC_ADJUST
			&& FALSE
#endif /* P2P_ODD_MAC_ADJUST */
#endif /* P2P_SUPPORT */
		)
			DBGPRINT(RT_DEBUG_ERROR, ("The 2-BSSID mode is enabled, the BSSID byte5 MUST be the multiple of 2\n"));
		
		regValue |= (1<<16);
		pAd->ApCfg.MacMask = ~(2-1);
	}
	else if (NumOfMacs <= 4)
	{
		if (pAd->CurrentAddress[5] % 4 != 0)
			DBGPRINT(RT_DEBUG_ERROR, ("The 4-BSSID mode is enabled, the BSSID byte5 MUST be the multiple of 4\n"));

		regValue |= (2<<16);
		pAd->ApCfg.MacMask = ~(4-1);
	}
	else if (NumOfMacs <= 8)
	{
		if (pAd->CurrentAddress[5] % 8 != 0)
			DBGPRINT(RT_DEBUG_ERROR, ("The 8-BSSID mode is enabled, the BSSID byte5 MUST be the multiple of 8\n"));
	
		regValue |= (3<<16);
		pAd->ApCfg.MacMask = ~(8-1);
	}

	/* set Multiple BSSID Beacon number */
	if (NumOfBcns > 1)
	{
		regValue |= (((NumOfBcns - 1) & 0x7)  << 18);	
	}
	
	/* 	set as 0/1 bit-21 of MAC_BSSID_DW1(offset: 0x1014) 
		to disable/enable the new MAC address assignment.  */
	if (pAd->chipCap.MBSSIDMode == MBSSID_MODE1)
		regValue |= (1 << 21);

	RTMP_IO_WRITE32(pAd, MAC_BSSID_DW1, regValue);

#ifdef HDR_TRANS_SUPPORT
	/*
		point WCID MAC table to 0x1800
		This is for debug.
		But HDR_TRANS doesn't work if you remove it.
		Check after IC formal release.
	*/
	regValue |= 0x18000000;
	RTMP_IO_WRITE32(pAd, HT_MAC_BSSID_DW1, regValue);
#endif /* HDR_TRANS_SUPPORT */

#ifdef RTMP_MAC_USB
	RTUSBBssBeaconStart(pAd);
#endif /* RTMP_MAC_USB */

}


/*
    ==========================================================================
    Description:
        Pre-build All BEACON frame in the shared memory
    ==========================================================================
*/
VOID APUpdateAllBeaconFrame(
    IN PRTMP_ADAPTER pAd)
{
	INT		i;
#ifdef DOT11_N_SUPPORT
#ifdef DOT11N_DRAFT3
	BOOLEAN FlgQloadIsAlarmIssued = FALSE;
#endif /* DOT11N_DRAFT3 */
#endif /* DOT11_N_SUPPORT */

	if (pAd->ApCfg.DtimCount == 0)
		pAd->ApCfg.DtimCount = pAd->ApCfg.DtimPeriod - 1;
	else
		pAd->ApCfg.DtimCount -= 1;
#ifdef DOT11_N_SUPPORT
#ifdef DOT11N_DRAFT3
	/* QLOAD ALARM */
#ifdef AP_QLOAD_SUPPORT
	FlgQloadIsAlarmIssued = QBSS_LoadIsAlarmIssued(pAd);
#endif /* AP_QLOAD_SUPPORT */

	if ((pAd->ApCfg.DtimCount == 0) && 
		(((pAd->CommonCfg.Bss2040CoexistFlag & BSS_2040_COEXIST_INFO_SYNC) && 
		  (pAd->CommonCfg.bForty_Mhz_Intolerant == FALSE)) ||
		(FlgQloadIsAlarmIssued == TRUE)))
	{
		UCHAR	prevBW, prevExtChOffset;
		DBGPRINT(RT_DEBUG_TRACE, ("DTIM Period reached, BSS20WidthReq=%d, Intolerant40=%d!\n", 
				pAd->CommonCfg.LastBSSCoexist2040.field.BSS20WidthReq, pAd->CommonCfg.LastBSSCoexist2040.field.Intolerant40));
		pAd->CommonCfg.Bss2040CoexistFlag &= (~BSS_2040_COEXIST_INFO_SYNC);
		
		prevBW = pAd->CommonCfg.AddHTInfo.AddHtInfo.RecomWidth; 
		prevExtChOffset = pAd->CommonCfg.AddHTInfo.AddHtInfo.ExtChanOffset;
		
		if (pAd->CommonCfg.LastBSSCoexist2040.field.BSS20WidthReq ||
			pAd->CommonCfg.LastBSSCoexist2040.field.Intolerant40 ||
			(pAd->MacTab.fAnyStaFortyIntolerant == TRUE) ||
			(FlgQloadIsAlarmIssued == TRUE))
		{
			pAd->CommonCfg.AddHTInfo.AddHtInfo.RecomWidth = 0;
			pAd->CommonCfg.AddHTInfo.AddHtInfo.ExtChanOffset = 0;
		}
		else
		{
			pAd->CommonCfg.AddHTInfo.AddHtInfo.RecomWidth = pAd->CommonCfg.RegTransmitSetting.field.BW;
			pAd->CommonCfg.AddHTInfo.AddHtInfo.ExtChanOffset = pAd->CommonCfg.RegTransmitSetting.field.EXTCHA;
		}
		DBGPRINT(RT_DEBUG_TRACE,("\tNow RecomWidth=%d, ExtChanOffset=%d, prevBW=%d, prevExtOffset=%d\n", 
				pAd->CommonCfg.AddHTInfo.AddHtInfo.RecomWidth,
				pAd->CommonCfg.AddHTInfo.AddHtInfo.ExtChanOffset,
				prevBW, prevExtChOffset));
		pAd->CommonCfg.Bss2040CoexistFlag |= BSS_2040_COEXIST_INFO_NOTIFY;
	}
#endif /* DOT11N_DRAFT3 */
#endif /* DOT11_N_SUPPORT */

	for(i=0; i<pAd->ApCfg.BssidNum; i++)
	{		
		APUpdateBeaconFrame(pAd, i);
	}
}


