Beispiel #1
0
/*
	========================================================================
	
	Routine Description:
		Calculates the duration which is required to transmit out frames
	with given size and specified rate.
					  
	Arguments:
		pTxWI		Pointer to head of each MPDU to HW.
		Ack 		Setting for Ack requirement bit
		Fragment	Setting for Fragment bit
		RetryMode	Setting for retry mode
		Ifs 		Setting for IFS gap
		Rate		Setting for transmit rate
		Service 	Setting for service
		Length		Frame length
		TxPreamble	Short or Long preamble when using CCK rates
		QueIdx - 0-3, according to 802.11e/d4.4 June/2003
		
	Return Value:
		None

	IN RTMP_ADAPTER *pAd, 
	UCHAR *tmac_info,
	BOOLEAN FRAG,
	BOOLEAN CFACK,
	BOOLEAN InsTimestamp,
	BOOLEAN AMPDU,
	BOOLEAN Ack, 
	BOOLEAN NSeq, 
	UCHAR BASize,
	UCHAR WCID, 
	ULONG Length, 
	UCHAR PID,
	UCHAR TID, 
	UCHAR TxRate, 
	UCHAR Txopmode,
	HTTRANSMIT_SETTING *pTransmit
	
	See also : BASmartHardTransmit()    !!!
	
	========================================================================
*/
VOID write_tmac_info(
	IN RTMP_ADAPTER *pAd,
	IN UCHAR *tmac_info,
	IN MAC_TX_INFO *info,
	IN HTTRANSMIT_SETTING *pTransmit)
{
	PMAC_TABLE_ENTRY pMac = NULL;
	UINT8 TXWISize = pAd->chipCap.TXWISize;
	TXWI_STRUC TxWI, *pTxWI, *pOutTxWI = (TXWI_STRUC *)tmac_info;
	UINT TxEAPId_Cal = 0;
	UCHAR lut_en = FALSE, eTxBf, iTxBf, sounding, ndp_rate, stbc, bw, mcs, sgi, phy_mode, mpdu_density = 0, mimops = 0, ldpc = 0;
	
	if (info->WCID < MAX_LEN_OF_MAC_TABLE)
		pMac = &pAd->MacTab.Content[info->WCID];

	/* 
		Always use Long preamble before verifiation short preamble functionality works well.
		Todo: remove the following line if short preamble functionality works
	*/
	OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_SHORT_PREAMBLE_INUSED);
	NdisZeroMemory(&TxWI, TXWISize);
	pTxWI = &TxWI;

#ifdef DOT11_N_SUPPORT
	info->BASize = 0;
	stbc = pTransmit->field.STBC;
#endif /* DOT11_N_SUPPORT */
	
	/* If CCK or OFDM, BW must be 20*/
	bw = (pTransmit->field.MODE <= MODE_OFDM) ? (BW_20) : (pTransmit->field.BW);
#ifdef DOT11_N_SUPPORT
#ifdef DOT11N_DRAFT3
	if (bw)
		bw = (pAd->CommonCfg.AddHTInfo.AddHtInfo.RecomWidth == 0) ? (BW_20) : (pTransmit->field.BW);
#endif /* DOT11N_DRAFT3 */
#endif /* DOT11_N_SUPPORT */

	ldpc = pTransmit->field.ldpc;
	mcs = pTransmit->field.MCS;
	phy_mode = pTransmit->field.MODE;
	sgi = pTransmit->field.ShortGI;
	
#ifdef DOT11_N_SUPPORT
	if (pMac)
	{
		if (pAd->CommonCfg.bMIMOPSEnable)
		{
			if ((pMac->MmpsMode == MMPS_DYNAMIC) && (pTransmit->field.MCS > 7))
			{
				/* Dynamic MIMO Power Save Mode*/
				mimops = 1;
			}
			else if (pMac->MmpsMode == MMPS_STATIC)
			{
				/* Static MIMO Power Save Mode*/
				if (pTransmit->field.MODE >= MODE_HTMIX && pTransmit->field.MCS > 7)
				{
					mcs = 7;
					mimops = 0;
				}
			}
		}

		mpdu_density = pMac->MpduDensity;
	}
#endif /* DOT11_N_SUPPORT */

#ifdef DOT11K_RRM_SUPPORT
	if (pAd->CommonCfg.VoPwrConstraintTest == TRUE)
	{
		info->AMPDU = 0;
		mcs = 0;
		ldpc = 0;
		bw = 0;
		sgi = 0;
		stbc = 0;
		phy_mode = MODE_OFDM;
	}
#endif /* DOT11K_RRM_SUPPORT */


#ifdef RLT_MAC
	if (pAd->chipCap.hif_type == HIF_RLT) {
		struct _TXWI_NMAC *txwi_n = (struct _TXWI_NMAC *)pTxWI;

		txwi_n->lut_en = lut_en;
		txwi_n->FRAG = info->FRAG;
		txwi_n->CFACK= info->CFACK;
		txwi_n->TS = info->InsTimestamp;
		txwi_n->AMPDU = info->AMPDU;
		txwi_n->ACK = info->Ack;
		txwi_n->txop = info->Txopmode;
		txwi_n->NSEQ = info->NSeq;
		txwi_n->BAWinSize = info->BASize;
		txwi_n->ShortGI = sgi;
		txwi_n->STBC = stbc;
		txwi_n->LDPC = ldpc;
		txwi_n->MCS= mcs;
		txwi_n->BW = bw;
		txwi_n->PHYMODE= phy_mode;
		txwi_n->MpduDensity = mpdu_density;
		txwi_n->MIMOps = mimops;
		txwi_n->wcid = info->WCID;
		txwi_n->MPDUtotalByteCnt = info->Length;
		txwi_n->TxPktId = mcs; // PID is not used now!
		txwi_n->GroupID = TRUE; // Group for AP --> Hauze
		txwi_n->TxEAPId = TxEAPId_Cal;
		
	}
#endif /* RLT_MAC */

#ifdef RTMP_MAC
	if (pAd->chipCap.hif_type == HIF_RTMP) {
		struct _TXWI_OMAC *txwi_o = (struct _TXWI_OMAC *)pTxWI;
		txwi_o->FRAG = info->FRAG;
		txwi_o->CFACK = info->CFACK;
		txwi_o->TS = info->InsTimestamp;
		txwi_o->AMPDU = info->AMPDU;
		txwi_o->ACK = info->Ack;
		txwi_o->txop = info->Txopmode;
		txwi_o->NSEQ = info->NSeq;
		txwi_o->BAWinSize = info->BASize;
		txwi_o->ShortGI = sgi;
		txwi_o->STBC = stbc;
		txwi_o->MCS = mcs;
		txwi_o->BW = bw;
		txwi_o->PHYMODE = phy_mode;
		txwi_o->MpduDensity = mpdu_density;
		txwi_o->MIMOps = mimops;
		txwi_o->wcid = info->WCID;
		txwi_o->MPDUtotalByteCnt = info->Length;
		txwi_o->PacketId = mcs; // PID is not used now!
	}
#endif /* RTMP_MAC */

	NdisMoveMemory(pOutTxWI, &TxWI, TXWISize);

#ifdef DBG
//+++Add by shiang for debug
if (0){
	hex_dump("TxWI", (UCHAR *)pOutTxWI, TXWISize);
	dump_tmac_info(pAd, (UCHAR *)pOutTxWI);
}
//---Add by shiang for debug
#endif
}
Beispiel #2
0
/*
	==========================================================================
	Description:
		Pre-build a BEACON frame in the shared memory
	==========================================================================
*/
VOID APMakeBssBeacon(RTMP_ADAPTER *pAd, INT apidx)
{
	BSS_STRUCT *pMbss = &pAd->ApCfg.MBSSID[apidx];
	UCHAR DsLen = 1, SsidLen;
	HEADER_802_11 BcnHdr;
	LARGE_INTEGER FakeTimestamp;
	ULONG FrameLen = 0;
	UCHAR *pBeaconFrame, *tmac_info;
#if defined(DOT11_N_SUPPORT) && defined(DOT11K_RRM_SUPPORT)
	UINT i;
#endif
	HTTRANSMIT_SETTING BeaconTransmit = {.word = 0};   /* MGMT frame PHY rate setting when operatin at HT rate. */
	UCHAR PhyMode, SupRateLen;
	UINT8 TXWISize = pAd->chipCap.TXWISize;
	UINT8 tx_hw_hdr_len = pAd->chipCap.tx_hw_hdr_len;

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

	if (pMbss->bcn_buf.BeaconPkt == NULL) {
		DBGPRINT(RT_DEBUG_ERROR, ("%s():Invalid BeaconPkt for MBSS[%d]\n",
					__FUNCTION__, apidx));
		return;
	}

#ifdef MT_MAC
    if (pAd->chipCap.hif_type == HIF_MT) {
        return;
//Carter, 20140306 for MT7603, merge MakeAllBeacon into UpdateAllBeacon
    }
#endif
	tmac_info = (UCHAR *)GET_OS_PKT_DATAPTR(pMbss->bcn_buf.BeaconPkt);
	if (pAd->chipCap.hif_type == HIF_MT)
	{
		pBeaconFrame = (UCHAR *)(tmac_info + tx_hw_hdr_len);
	}
	else
	{
		pBeaconFrame = (UCHAR *)(tmac_info + TXWISize);
	}

	PhyMode = pMbss->wdev.PhyMode;
	SsidLen = (pMbss->bHideSsid) ? 0 : pMbss->SsidLen;
	MgtMacHeaderInit(pAd, &BcnHdr, SUBTYPE_BEACON,
						0, BROADCAST_ADDR,
						pMbss->wdev.if_addr,
						pMbss->wdev.bssid);

	/* for update framelen to TxWI later. */
	SupRateLen = pAd->CommonCfg.SupRateLen;
	if (PhyMode == WMODE_B)
		SupRateLen = 4;

	MakeOutgoingFrame(pBeaconFrame,                  &FrameLen,
					sizeof(HEADER_802_11),           &BcnHdr,
					TIMESTAMP_LEN,                   &FakeTimestamp,
					2,                               &pAd->CommonCfg.BeaconPeriod,
					2,                               &pMbss->CapabilityInfo,
					1,                               &SsidIe,
					1,                               &SsidLen,
					SsidLen,                      pMbss->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 */


	BeaconTransmit.word = 0;

	write_tmac_info_beacon(pAd, apidx, tmac_info, &BeaconTransmit, FrameLen);

	/* step 6. move BEACON TXD and frame content to on-chip memory */
	asic_write_bcn_buf(pAd,
						tmac_info, TXWISize,
						pBeaconFrame, FrameLen,
						pAd->BeaconOffset[pMbss->bcn_buf.BcnBufIdx]);

	pMbss->TimIELocationInBeacon = (UCHAR)FrameLen;
	pMbss->bcn_buf.cap_ie_pos = sizeof(HEADER_802_11) + TIMESTAMP_LEN + 2;

    //pMbss->bcn_buf.bcn_state = BCN_TX_IDLE;
//+++Add by shiang for debug
//---Add by shiang for debug
}


/*
	==========================================================================
	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, *tmac_info;
	UCHAR *ptr;
	ULONG FrameLen;
	ULONG UpdatePos = 0;
	UCHAR RSNIe=IE_WPA, RSNIe2=IE_WPA2;
	UCHAR ID_1B, TimFirst, TimLast, *pTim;
	BSS_STRUCT *pMbss;
	COMMON_CONFIG *pComCfg;
	BOOLEAN bHasWpsIE = FALSE;
	UINT  i;
	HTTRANSMIT_SETTING	BeaconTransmit = {.word = 0};   /* MGMT frame PHY rate setting when operatin at Ht rate. */
	struct wifi_dev *wdev;
	UCHAR tx_hw_hdr_len = pAd->chipCap.tx_hw_hdr_len;
	UINT8 TXWISize = pAd->chipCap.TXWISize;

	UCHAR DsLen = 1, SsidLen;
	HEADER_802_11 BcnHdr;
	LARGE_INTEGER FakeTimestamp;
	UCHAR PhyMode = 0, SupRateLen;

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

	if (!pMbss || !pMbss->bcn_buf.BeaconPkt)
		return;

	tmac_info = (UCHAR *)GET_OS_PKT_DATAPTR(pMbss->bcn_buf.BeaconPkt);
	if (pAd->chipCap.hif_type == HIF_MT)
	{
		pBeaconFrame = (UCHAR *)(tmac_info + tx_hw_hdr_len);
	}
	else
	{
		pBeaconFrame = (UCHAR *)(tmac_info + TXWISize);
	}

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


#ifdef CONFIG_FPGA_MODE
	if (pAd->fpga_ctl.fpga_on & 0x1) {
		if (pAd->fpga_ctl.tx_kick_cnt == 0)
			return;
	}

#ifdef MT_MAC
	if (pAd->fpga_ctl.no_bcn) {
		DBGPRINT(RT_DEBUG_OFF, ("%s():Bcn Tx is blocked!\n", __FUNCTION__));
		return;
	}
#endif /* MT_MAC */
#endif /* CONFIG_FPGA_MODE */

#ifdef MT_MAC
	if (pAd->chipCap.hif_type == HIF_MT) {
		BOOLEAN is_pretbtt_int = FALSE;

#ifdef RTMP_PCI_SUPPORT
		USHORT FreeNum = GET_BCNRING_FREENO(pAd);
        if (FreeNum <= 0) {
            DBGPRINT(RT_DEBUG_ERROR, ("%s()=>BSS%d:BcnRing FreeNum is not enough!\n",
						__FUNCTION__, apidx));
            return;
        }
#endif /* RTMP_PCI_SUPPORT */

	if (pMbss->bcn_buf.bcn_state != BCN_TX_IDLE) {
#ifdef RTMP_PCI_SUPPORT
		APCheckBcnQHandler(pAd, apidx, &is_pretbtt_int);
#endif /* RTMP_PCI_SUPPORT */
		if (is_pretbtt_int == FALSE)
			return;
	}

        PhyMode = pMbss->wdev.PhyMode;
        SsidLen = (pMbss->bHideSsid) ? 0 : pMbss->SsidLen;
        MgtMacHeaderInit(pAd, &BcnHdr, SUBTYPE_BEACON,
                            0, BROADCAST_ADDR,
                            pMbss->wdev.if_addr,
                            pMbss->wdev.bssid);

        /* for update framelen to TxWI later. */
        SupRateLen = pAd->CommonCfg.SupRateLen;
        if (PhyMode == WMODE_B)
            SupRateLen = 4;

        MakeOutgoingFrame(pBeaconFrame,                  &FrameLen,
                        sizeof(HEADER_802_11),           &BcnHdr,
                        TIMESTAMP_LEN,                   &FakeTimestamp,
                        2,                               &pAd->CommonCfg.BeaconPeriod,
                        2,                               &pMbss->CapabilityInfo,
                        1,                               &SsidIe,
                        1,                               &SsidLen,
                        SsidLen,                      pMbss->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 */


        BeaconTransmit.word = 0;

        //write_tmac_info_beacon(pAd, apidx, tmac_info, &BeaconTransmit, FrameLen);

        pMbss->TimIELocationInBeacon = (UCHAR)FrameLen;
        pMbss->bcn_buf.cap_ie_pos = sizeof(HEADER_802_11) + TIMESTAMP_LEN + 2;

        FrameLen = UpdatePos = pMbss->TimIELocationInBeacon;
        PhyMode = wdev->PhyMode;



	}
#endif /* MT_MAC */

	/*
		step 1 - update BEACON's Capability
	*/
	ptr = pBeaconFrame + pMbss->bcn_buf.cap_ie_pos;

		//prevent little/big endian issue. and let asic_write_bcn_buf() handle it.
	*(UINT16 *)ptr = pMbss->CapabilityInfo;
		/*
		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));

	/* move RSN IE from below to here for Ralink Win7 v3.0.0.61 version parse beacon issue. */
	/* sync the order with BRCM's AP. */
	if ((wdev->AuthMode == Ndis802_11AuthModeWPA) ||
		(wdev->AuthMode == Ndis802_11AuthModeWPAPSK))
		RSNIe = IE_WPA;
	else if ((wdev->AuthMode == Ndis802_11AuthModeWPA2) ||
		(wdev->AuthMode == Ndis802_11AuthModeWPA2PSK))
		RSNIe = IE_WPA2;
#ifdef WAPI_SUPPORT
	else if ((wdev->AuthMode == Ndis802_11AuthModeWAICERT) ||
		(wdev->AuthMode == Ndis802_11AuthModeWAIPSK))
		RSNIe = IE_WAPI;
#endif /* WAPI_SUPPORT */

	/* Append RSN_IE when  WPA OR WPAPSK, */
	if ((wdev->AuthMode == Ndis802_11AuthModeWPA1WPA2) ||
		(wdev->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 (wdev->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;
		}
	}

#ifdef HOSTAPD_SUPPORT
	if (pMbss->HostapdWPS && (pMbss->WscIEBeacon.ValueLen))
		bHasWpsIE = TRUE;
#endif

#ifdef WSC_AP_SUPPORT
    /* add Simple Config Information Element */
    if (((pMbss->WscControl.WscConfMode >= 1) && (pMbss->WscIEBeacon.ValueLen)))
		bHasWpsIE = TRUE;
#endif /* WSC_AP_SUPPORT */

	if (bHasWpsIE)
	{
		ULONG WscTmpLen = 0;

		MakeOutgoingFrame(pBeaconFrame+FrameLen, &WscTmpLen,
						pMbss->WscIEBeacon.ValueLen, pMbss->WscIEBeacon.Value,
						END_OF_ARGS);
		FrameLen += WscTmpLen;
	}

#ifdef WSC_AP_SUPPORT
    if ((pMbss->WscControl.WscConfMode != WSC_DISABLE) &&
#ifdef DOT1X_SUPPORT
        (pMbss->wdev.IEEE8021X == FALSE) &&
#endif /* DOT1X_SUPPORT */
        (pMbss->wdev.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);
		}

#ifdef DOT11_VHT_AC
		if (WMODE_CAP_AC(PhyMode)) {
			INT tp_len, wb_len = 0;
			UCHAR *ch_sw_wrapper;
			VHT_TXPWR_ENV_IE txpwr_env;


			*ptr = IE_CH_SWITCH_WRAPPER;
			ch_sw_wrapper = (UCHAR *)(ptr + 1); // reserve for length
			ptr += 2; // skip len

			if (pComCfg->RegTransmitSetting.field.BW == BW_40) {
				WIDE_BW_CH_SWITCH_ELEMENT wb_info;

				*ptr = IE_WIDE_BW_CH_SWITCH;
				*(ptr + 1) = sizeof(WIDE_BW_CH_SWITCH_ELEMENT);
				ptr += 2;
				NdisZeroMemory(&wb_info, sizeof(WIDE_BW_CH_SWITCH_ELEMENT));
				if (pComCfg->vht_bw == VHT_BW_2040)
					wb_info.new_ch_width = 0;
				else
					wb_info.new_ch_width = 1;

				if (pComCfg->vht_bw == VHT_BW_80) {
					wb_info.center_freq_1 = vht_cent_ch_freq(pAd, pComCfg->Channel);
					wb_info.center_freq_2 = 0;
				}
				NdisMoveMemory(ptr, &wb_info, sizeof(WIDE_BW_CH_SWITCH_ELEMENT));
				wb_len = sizeof(WIDE_BW_CH_SWITCH_ELEMENT);
				ptr += wb_len;
				wb_len += 2;
			}

			*ptr = IE_VHT_TXPWR_ENV;
			NdisZeroMemory(&txpwr_env, sizeof(VHT_TXPWR_ENV_IE));
			tp_len = build_vht_txpwr_envelope(pAd, (UCHAR *)&txpwr_env);
			*(ptr + 1) = tp_len;
			ptr += 2;
			NdisMoveMemory(ptr, &txpwr_env, tp_len);
			ptr += tp_len;
			tp_len += 2;
			*ch_sw_wrapper = wb_len + tp_len;

			FrameLen += (2 + wb_len + tp_len);
		}
#endif /* DOT11_VHT_AC */

#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) && (wdev->DesiredHtPhyInfo.bHtEnable))
	{
		ULONG TmpLen;
		UCHAR HtLen, HtLen1;
		/*UCHAR i; */

		HT_CAPABILITY_IE HtCapabilityTmp;
#ifdef RT_BIG_ENDIAN
		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
		NdisMoveMemory(&HtCapabilityTmp, &pComCfg->HtCapability, HtLen);
		HtCapabilityTmp.HtCapInfo.ChannelWidth = pComCfg->AddHTInfo.AddHtInfo.RecomWidth;

		MakeOutgoingFrame(pBeaconFrame+FrameLen,         &TmpLen,
								  1,                                &HtCapIe,
								  1,                                &HtLen,
								 HtLen,          &HtCapabilityTmp,
								  1,                                &AddHtInfoIe,
								  1,                                &HtLen1,
								 HtLen1,          &pComCfg->AddHTInfo,
						  END_OF_ARGS);
#else
		NdisMoveMemory(&HtCapabilityTmp, &pComCfg->HtCapability, HtLen);
		HtCapabilityTmp.HtCapInfo.ChannelWidth = pComCfg->AddHTInfo.AddHtInfo.RecomWidth;
		*(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 CONFIG_HOTSPOT
	if (pMbss->HotSpotCtrl.HotSpotEnable)
 	{
		ULONG	TmpLen;

		/* Indication element */
		MakeOutgoingFrame(pBeaconFrame + FrameLen, &TmpLen,
						  pMbss->HotSpotCtrl.HSIndicationIELen,
						  pMbss->HotSpotCtrl.HSIndicationIE, END_OF_ARGS);

		FrameLen += TmpLen;

		/* Interworking element */
		MakeOutgoingFrame(pBeaconFrame + FrameLen, &TmpLen,
						  pMbss->HotSpotCtrl.InterWorkingIELen,
						  pMbss->HotSpotCtrl.InterWorkingIE, END_OF_ARGS);

		FrameLen += TmpLen;

		/* Advertisement Protocol element */
		MakeOutgoingFrame(pBeaconFrame + FrameLen, &TmpLen,
						  pMbss->HotSpotCtrl.AdvertisementProtoIELen,
						  pMbss->HotSpotCtrl.AdvertisementProtoIE, END_OF_ARGS);

		FrameLen += TmpLen;

		/* Roaming Consortium element */
		MakeOutgoingFrame(pBeaconFrame + FrameLen, &TmpLen,
						  pMbss->HotSpotCtrl.RoamingConsortiumIELen,
						  pMbss->HotSpotCtrl.RoamingConsortiumIE, END_OF_ARGS);

		FrameLen += TmpLen;

		/* P2P element */
		MakeOutgoingFrame(pBeaconFrame + FrameLen, &TmpLen,
						  pMbss->HotSpotCtrl.P2PIELen,
						  pMbss->HotSpotCtrl.P2PIE, END_OF_ARGS);

		FrameLen += TmpLen;

 	}
#endif

#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 */

	/* 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->wdev.DesiredHtPhyInfo.bHtEnable) &&
			(pComCfg->bBssCoexEnable == TRUE)
		)
		{
			extCapInfo.BssCoexistMgmtSupport = 1;
		}
#endif /* DOT11N_DRAFT3 */
#endif /* DOT11_N_SUPPORT */

#ifdef CONFIG_DOT11V_WNM
		if (pMbss->WNMCtrl.ProxyARPEnable)
			extCapInfo.proxy_arp = 1;

#endif /* CONFIG_DOT11V_WNM */

#ifdef CONFIG_HOTSPOT
		if (pMbss->HotSpotCtrl.HotSpotEnable)
			extCapInfo.interworking = 1;
#endif /* CONFIG_HOTSPOT */

#ifdef DOT11_VHT_AC
		if (WMODE_CAP_AC(PhyMode) &&
			(pAd->CommonCfg.Channel > 14))
			extCapInfo.operating_mode_notification = 1;
#endif /* DOT11_VHT_AC */

		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;
		}
	}

#ifdef WFA_VHT_PF
	if (pAd->force_vht_op_mode == TRUE)
	{
		ULONG TmpLen;
		UCHAR operating_ie = IE_OPERATING_MODE_NOTIFY, operating_len = 1;
		OPERATING_MODE operating_mode;

		operating_mode.rx_nss_type = 0;
		operating_mode.rx_nss = (pAd->vht_pf_op_ss - 1);
		operating_mode.ch_width = pAd->vht_pf_op_bw;

		MakeOutgoingFrame(pBeaconFrame+FrameLen, &TmpLen,
						  1,	&operating_ie,
						  1,	&operating_len,
						  1,	&operating_mode,
						  END_OF_ARGS);
		FrameLen += TmpLen;
	}
#endif /* WFA_VHT_PF */

	/* add WMM IE here */
	if (pMbss->wdev.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->wdev.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->phy_ctrl.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;

#ifdef DOT11_VHT_AC
		if (WMODE_CAP_AC(PhyMode)) {
			ULONG TmpLen;
			UINT8 vht_txpwr_env_ie = IE_VHT_TXPWR_ENV;
			UINT8 ie_len;
			VHT_TXPWR_ENV_IE txpwr_env;

			ie_len = build_vht_txpwr_envelope(pAd, (UCHAR *)&txpwr_env);
			MakeOutgoingFrame(pBeaconFrame+FrameLen, &TmpLen,
						1,							&vht_txpwr_env_ie,
						1,							&ie_len,
						ie_len,						&txpwr_env,
						END_OF_ARGS);
			FrameLen += TmpLen;
		}
#endif /* DOT11_VHT_AC */

	}
#endif /* A_BAND_SUPPORT */


#ifdef DOT11_N_SUPPORT
	if (WMODE_CAP_N(PhyMode) &&
		(wdev->DesiredHtPhyInfo.bHtEnable))
	{
		ULONG TmpLen;
		UCHAR HtLen, HtLen1;
#ifdef RT_BIG_ENDIAN
		HT_CAPABILITY_IE HtCapabilityTmp;
		ADD_HT_INFO_IE	addHTInfoTmp;
#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;

}


	/* 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 */

	write_tmac_info_beacon(pAd, apidx, tmac_info, &BeaconTransmit, FrameLen);

        /* step 6. move BEACON TXD and frame content to on-chip memory */
        asic_write_bcn_buf(pAd,
                            tmac_info, TXWISize,
                            pBeaconFrame, FrameLen,
                            pAd->BeaconOffset[pMbss->bcn_buf.BcnBufIdx]);

#if defined(MT7603_FPGA) || defined(MT7628_FPGA)
	// TODO: shiang-7603, we use different way to update beacon packet!
	if (0)//IS_MT7603(pAd))
	{
		hex_dump("Beacon_TMAC_INFO", (UCHAR *)tmac_info, tx_hw_hdr_len);
		dump_tmac_info(pAd, tmac_info);
		hex_dump("BeaconFrame", pBeaconFrame, FrameLen);
	}
#endif /* MT7603_FPGA */

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


	{
	    UINT32   Lowpart, Highpart;

	    AsicGetTsfTime(pAd, &Highpart, &Lowpart);
	    pMbss->WriteBcnDoneTime[pMbss->timer_loop] = Lowpart;
	}

}