BOOLEAN SetCommonVHT(RTMP_ADAPTER *pAd)
{
	if (!WMODE_CAP_AC(pAd->CommonCfg.PhyMode)) {
		/* Clear previous VHT information */
		return FALSE;
	}

	RTMPSetVHT(pAd);
	
	pAd->CommonCfg.vht_cent_ch = vht_cent_ch_freq(pAd, pAd->CommonCfg.Channel);
		
	DBGPRINT(RT_DEBUG_TRACE, ("%s(): Config VHT parameters!cent_ch=0!vht_cent_ch = %d, vht_cent_ch2 = %d\n",
				__FUNCTION__, pAd->CommonCfg.vht_cent_ch, pAd->CommonCfg.vht_cent_ch2));
	return TRUE;
}
Exemplo n.º 2
0
INT SetCommonVHT(struct rtmp_adapter*pAd)
{
	u8 cent_ch = 0;

	if (!WMODE_CAP_AC(pAd->CommonCfg.PhyMode))
	{
		/* Clear previous VHT information */
		return false;
	}


	pAd->CommonCfg.vht_cent_ch = vht_cent_ch_freq(pAd, pAd->CommonCfg.Channel);

	DBGPRINT(RT_DEBUG_TRACE, ("%s(): Config VHT parameters!cent_ch=%d!vht_cent_ch = %d, vht_cent_ch2 = %d\n",
				__FUNCTION__, cent_ch, pAd->CommonCfg.vht_cent_ch, pAd->CommonCfg.vht_cent_ch2));
	return true;
}
Exemplo n.º 3
0
/*
	Defined in IEEE 802.11AC

	Appeared in Beacon, (Re)AssocResp, ProbResp frames
*/
INT build_vht_op_ie(RTMP_ADAPTER *pAd, UCHAR *buf)
{
	VHT_OP_IE vht_op;
	UCHAR cent_ch;
#ifdef RT_BIG_ENDIAN
	UINT16 tmp;
#endif

	NdisZeroMemory((UCHAR *)&vht_op, sizeof(VHT_OP_IE));
	vht_op.vht_op_info.ch_width = (pAd->CommonCfg.vht_bw == VHT_BW_80 ? 1: 0);

#ifdef CONFIG_AP_SUPPORT
	if (pAd->CommonCfg.Channel > 14 &&
		(pAd->CommonCfg.bIEEE80211H == 1) &&
		(pAd->Dot11_H.RDMode == RD_SWITCHING_MODE))
		cent_ch = vht_cent_ch_freq(pAd, pAd->Dot11_H.org_ch);
	else
#endif /* CONFIG_AP_SUPPORT */
		cent_ch = vht_cent_ch_freq(pAd, pAd->CommonCfg.Channel);

	switch (vht_op.vht_op_info.ch_width) {
	case 0:
		vht_op.vht_op_info.center_freq_1 = 0;
		vht_op.vht_op_info.center_freq_2 = 0;
		break;
	case 1:
	case 2:
		vht_op.vht_op_info.center_freq_1 = cent_ch;
		vht_op.vht_op_info.center_freq_2 = 0;
		break;
	case 3:
		vht_op.vht_op_info.center_freq_1 = cent_ch;
		vht_op.vht_op_info.center_freq_2 = pAd->CommonCfg.vht_cent_ch2;
		break;
	}

	vht_op.basic_mcs_set.mcs_ss1 = VHT_MCS_CAP_NA;
	vht_op.basic_mcs_set.mcs_ss2 = VHT_MCS_CAP_NA;
	vht_op.basic_mcs_set.mcs_ss3 = VHT_MCS_CAP_NA;
	vht_op.basic_mcs_set.mcs_ss4 = VHT_MCS_CAP_NA;
	vht_op.basic_mcs_set.mcs_ss5 = VHT_MCS_CAP_NA;
	vht_op.basic_mcs_set.mcs_ss6 = VHT_MCS_CAP_NA;
	vht_op.basic_mcs_set.mcs_ss7 = VHT_MCS_CAP_NA;
	vht_op.basic_mcs_set.mcs_ss8 = VHT_MCS_CAP_NA;

	switch  (pAd->CommonCfg.RxStream) {
	case 2:
#ifdef MT76x2
		if (IS_MT76x2(pAd)) {
			vht_op.basic_mcs_set.mcs_ss2 = (((pAd->CommonCfg.vht_bw == VHT_BW_2040)
				&& (pAd->CommonCfg.RegTransmitSetting.field.BW == BW_20)) ? VHT_MCS_CAP_8 : VHT_MCS_CAP_9);
		} else
#endif /* MT76x2 */
			vht_op.basic_mcs_set.mcs_ss2 = VHT_MCS_CAP_7;
	case 1:
#if defined(MT76x0) || defined(MT76x2)
		if (IS_MT76x0(pAd) || IS_MT76x2(pAd))
			vht_op.basic_mcs_set.mcs_ss1 = (((pAd->CommonCfg.vht_bw == VHT_BW_2040)
				&& (pAd->CommonCfg.RegTransmitSetting.field.BW == BW_20)) ? VHT_MCS_CAP_8 : VHT_MCS_CAP_9);
		else
#endif
			vht_op.basic_mcs_set.mcs_ss1 = VHT_MCS_CAP_7;
		break;
	}

#ifdef RT_BIG_ENDIAN
	//SWAP16((UINT16)vht_op.basic_mcs_set);
	NdisCopyMemory(&tmp,&vht_op.basic_mcs_set, 2);
	tmp = SWAP16(tmp);
	NdisCopyMemory(&vht_op.basic_mcs_set,&tmp, 2);
#endif /* RT_BIG_ENDIAN */
	NdisMoveMemory((UCHAR *)buf, (UCHAR *)&vht_op, sizeof(VHT_OP_IE));

	return sizeof(VHT_OP_IE);
}
Exemplo n.º 4
0
/*
	==========================================================================
	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;
	MULTISSID_STRUCT *pMbss = &pAd->ApCfg.MBSSID[apidx];
#ifdef SPECIFIC_TX_POWER_SUPPORT
	UCHAR TxPwrAdj = 0;
#endif /* SPECIFIC_TX_POWER_SUPPORT */
	
	if(!BeaconTransmitRequired(pAd, apidx, pMbss))
		return;

	PhyMode = pMbss->wdev.PhyMode;

	if (pMbss->bHideSsid)
		SsidLen = 0;
	else
		SsidLen = 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;

#ifdef SPECIFIC_TX_POWER_SUPPORT
        /* Specific Power for Long-Range Beacon */
	if ((pAd->ApCfg.MBSSID[apidx].TxPwrAdj != -1) /* && 
	    (BeaconTransmit.field.MODE == MODE_CCK)*/) 
	{
		TxPwrAdj = pAd->ApCfg.MBSSID[apidx].TxPwrAdj;
	}
#endif /* SPECIFIC_TX_POWER_SUPPORT */

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

#ifdef SPECIFIC_TX_POWER_SUPPORT
#ifdef RTMP_MAC
		if ((IS_RT6352(pAd) || IS_MT76x2(pAd)) && (pAd->chipCap.hif_type == HIF_RTMP))
        	pAd->BeaconTxWI.TXWI_O.TxPwrAdj = TxPwrAdj;
#endif /* RTMP_MAC */
#ifdef RLT_MAC
		if  ((IS_RT6352(pAd) || IS_MT76x2(pAd)) && (pAd->chipCap.hif_type == HIF_RLT))
			pAd->BeaconTxWI.TXWI_N.TxPwrAdj = TxPwrAdj;
#endif /* RLT_MAC */
#endif /* SPECIFIC_TX_POWER_SUPPORT */

	/*
		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[pMbss->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)pMbss->BeaconBuf;
#ifdef RT_BIG_ENDIAN
	RTMPFrameEndianChange(pAd, ptr, DIR_WRITE, FALSE);
#endif

	reg_base = pAd->BeaconOffset[pMbss->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;
	}

	pMbss->TimIELocationInBeacon = (UCHAR)FrameLen; 
	pMbss->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;
	UCHAR *ptr;
	ULONG FrameLen;
	ULONG UpdatePos;
	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. */
	struct wifi_dev *wdev;
#ifdef SPECIFIC_TX_POWER_SUPPORT
	UCHAR TxPwrAdj = 0;
#endif /* SPECIFIC_TX_POWER_SUPPORT */

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

	pBeaconFrame = (UCHAR *)&pMbss->BeaconBuf[0];
	FrameLen = UpdatePos = pMbss->TimIELocationInBeacon;
	PhyMode = wdev->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)); 

	/* 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; */

#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 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

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

#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->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 */

#ifdef DOT11_VHT_AC
	if (pComCfg->b256QAM_2G && WMODE_2G_ONLY(pComCfg->PhyMode))
		RalinkSpecificIe[5] |= 0x8;
#endif /* DOT11_VHT_AC */

	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 */

#ifdef SPECIFIC_TX_POWER_SUPPORT
	/* Specific Power for Long-Range Beacon */	
        if ((pAd->ApCfg.MBSSID[apidx].TxPwrAdj != -1) /* &&
            (BeaconTransmit.field.MODE == MODE_CCK)*/)
        {
                TxPwrAdj = pAd->ApCfg.MBSSID[apidx].TxPwrAdj;
        }
#endif /* SPECIFIC_TX_POWER_SUPPORT */

	RTMPWriteTxWI(pAd, &pAd->BeaconTxWI, FALSE, FALSE, TRUE, FALSE, FALSE, TRUE, 0, RESERVED_WCID, 
					FrameLen, PID_MGMT, 0 /*QID_MGMT*/, 0, IFS_HTTXOP, &BeaconTransmit);

#ifdef SPECIFIC_TX_POWER_SUPPORT
#ifdef RTMP_MAC
		if ((IS_RT6352(pAd) || IS_MT76x2(pAd)) && (pAd->chipCap.hif_type == HIF_RTMP))
        	pAd->BeaconTxWI.TXWI_O.TxPwrAdj = TxPwrAdj;
#endif /* RTMP_MAC */
#ifdef RLT_MAC
		if ((IS_RT6352(pAd) || IS_MT76x2(pAd)) && (pAd->chipCap.hif_type == HIF_RLT))
			pAd->BeaconTxWI.TXWI_N.TxPwrAdj = TxPwrAdj;
#endif /* RLT_MAC */
#endif /* SPECIFIC_TX_POWER_SUPPORT */

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

}
Exemplo n.º 5
0
/*
	==========================================================================
	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;
	UCHAR *ptr;
	ULONG FrameLen;
	ULONG UpdatePos;
	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. */
	struct wifi_dev *wdev;
#ifdef SPECIFIC_TX_POWER_SUPPORT
	UCHAR TxPwrAdj = 0;
#endif /* SPECIFIC_TX_POWER_SUPPORT */

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

	pBeaconFrame = (UCHAR *)&pMbss->BeaconBuf[0];
	FrameLen = UpdatePos = pMbss->TimIELocationInBeacon;
	PhyMode = wdev->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)); 

	/* 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;
#ifdef CONFIG_HOTSPOT_R2
		extern UCHAR		OSEN_IE[];
		extern UCHAR		OSEN_IELEN;
		
		if ((pMbss->HotSpotCtrl.HotSpotEnable == 0) && (pMbss->HotSpotCtrl.bASANEnable == 1) && (pMbss->wdev.AuthMode == Ndis802_11AuthModeWPA2))
		{
			RSNIe = IE_WPA;
			MakeOutgoingFrame(pBeaconFrame+FrameLen,		&TmpLen,
						  1,							&RSNIe,
						  1,							&OSEN_IELEN,
						  OSEN_IELEN,					OSEN_IE,
						  END_OF_ARGS);
			FrameLen += TmpLen;
		}
		else
#endif /* CONFIG_HOTSPOT_R2 */
		{
		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))
#ifdef CUSTOMER_DCC_FEATURE
		|| (pComCfg->channelSwitch.CHSWMode == CHANNEL_SWITCHING_MODE)
#endif
	)
	{
		ptr = pBeaconFrame + FrameLen;
		*ptr = IE_CHANNEL_SWITCH_ANNOUNCEMENT;
		*(ptr + 1) = 3;
		*(ptr + 2) = 1;
		*(ptr + 3) = pComCfg->Channel;
#ifdef CUSTOMER_DCC_FEATURE
		if(pComCfg->channelSwitch.CHSWMode == CHANNEL_SWITCHING_MODE)
			*(ptr + 4) = (pComCfg->channelSwitch.CHSWPeriod - pComCfg->channelSwitch.CHSWCount);
		else
#endif
		*(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 + 1) = 3;
				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);
				wb_len = 3;
				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; */

#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 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;
#ifdef CONFIG_HOTSPOT_R2
		if (pMbss->WNMCtrl.WNMNotifyEnable)
			extCapInfo.wnm_notification = 1;

		if (pMbss->HotSpotCtrl.QosMapEnable)
			extCapInfo.qosmap= 1;
#endif /* CONFIG_HOTSPOT_R2 */
#endif /* CONFIG_DOT11V_WNM */

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

#ifdef DOT11V_WNM_SUPPORT
		if (IS_BSS_TRANSIT_MANMT_SUPPORT(pAd, apidx))
		{
			extCapInfo.BssTransitionManmt = 1;
		}
		if (IS_WNMDMS_SUPPORT(pAd, apidx))
		{
			extCapInfo.DMSSupport = 1;
		}
#endif /* DOT11V_WNM_SUPPORT */

#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->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)
	{
#ifdef CONFIG_HOTSPOT_R2		
		if (pMbss->HotSpotCtrl.QLoadTestEnable == 1)
			FrameLen += QBSS_LoadElementAppend_HSTEST(pAd, pBeaconFrame+FrameLen, apidx);
		else if (pMbss->HotSpotCtrl.QLoadTestEnable == 0)	
#endif		
		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)
#ifdef DOT11K_RRM_SUPPORT
		|| IS_RRM_ENABLE(pAd, apidx)
#endif /* DOT11K_RRM_SUPPORT */
		)
	{
		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 DOT11K_RRM_SUPPORT
	if (IS_RRM_ENABLE(pAd, apidx))
	{
		PRRM_QUIET_CB pQuietCB = &pMbss->RrmCfg.QuietCB;
		RRM_InsertQuietIE(pAd, pBeaconFrame+FrameLen, &FrameLen,
				pQuietCB->QuietCnt ,pQuietCB->QuietPeriod,
				pQuietCB->QuietDuration, pQuietCB->QuietOffset);

#ifndef APPLE_11K_IOT
		/* Insert BSS AC Access Delay IE. */
		RRM_InsertBssACDelayIE(pAd, pBeaconFrame+FrameLen, &FrameLen);

		/* Insert BSS Available Access Capacity IE. */
		RRM_InsertBssAvailableACIE(pAd, pBeaconFrame+FrameLen, &FrameLen);
#endif /* !APPLE_11K_IOT */

	}
#endif /* DOT11K_RRM_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 */

#ifdef DOT11_VHT_AC
	if (pComCfg->b256QAM_2G && WMODE_2G_ONLY(pComCfg->PhyMode))
		RalinkSpecificIe[5] |= 0x8;
#endif /* DOT11_VHT_AC */

	MakeOutgoingFrame(pBeaconFrame+FrameLen, &TmpLen,
						9,                   RalinkSpecificIe,
						END_OF_ARGS);
	FrameLen += TmpLen;

}
	
	/* add Mediatek-specific IE here */
	{
		ULONG TmpLen = 0;
		UCHAR MediatekSpecificIe[9] = {IE_VENDOR_SPECIFIC, 7, 0x00, 0x0c, 0xe7, 0x00, 0x00, 0x00, 0x00};

#ifdef DOT11_VHT_AC
		if (pComCfg->b256QAM_2G && WMODE_2G_ONLY(pComCfg->PhyMode))
		MediatekSpecificIe[5] |= 0x8;
#endif /* DOT11_VHT_AC */

		MakeOutgoingFrame(pBeaconFrame+FrameLen, &TmpLen,
		9, MediatekSpecificIe,
		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 */

#ifdef SPECIFIC_TX_POWER_SUPPORT
	/* Specific Power for Long-Range Beacon */	
        if ((pAd->ApCfg.MBSSID[apidx].TxPwrAdj != -1) /* &&
            (BeaconTransmit.field.MODE == MODE_CCK)*/)
        {
                TxPwrAdj = pAd->ApCfg.MBSSID[apidx].TxPwrAdj;
        }
#endif /* SPECIFIC_TX_POWER_SUPPORT */

	RTMPWriteTxWI(pAd, &pAd->BeaconTxWI, FALSE, FALSE, TRUE, FALSE, FALSE, TRUE, 0, RESERVED_WCID, 
					FrameLen, PID_MGMT, 0 /*QID_MGMT*/, 0, IFS_HTTXOP, &BeaconTransmit);

#ifdef SPECIFIC_TX_POWER_SUPPORT
#ifdef RTMP_MAC
		if ((IS_RT6352(pAd) || IS_MT76x2(pAd)) && (pAd->chipCap.hif_type == HIF_RTMP))
        	pAd->BeaconTxWI.TXWI_O.TxPwrAdj = TxPwrAdj;
#endif /* RTMP_MAC */
#ifdef RLT_MAC
		if ((IS_RT6352(pAd) || IS_MT76x2(pAd)) && (pAd->chipCap.hif_type == HIF_RLT))
			pAd->BeaconTxWI.TXWI_N.TxPwrAdj = TxPwrAdj;
#endif /* RLT_MAC */
#endif /* SPECIFIC_TX_POWER_SUPPORT */

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

#ifdef CUSTOMER_DCC_FEATURE
	{
		HTTRANSMIT_SETTING HTSetting;
		UINT32 Index;
		MULTISSID_STRUCT *pMbss = NULL;
		NdisZeroMemory(&HTSetting, sizeof(HTTRANSMIT_SETTING));
		HTSetting.field.MODE = BeaconTransmit.field.MODE;
		HTSetting.field.BW = BeaconTransmit.field.BW;
		HTSetting.field.ShortGI = BeaconTransmit.field.ShortGI;
		HTSetting.field.MCS = BeaconTransmit.field.MCS;
		if ((pAd->ApCfg.MBSSID[apidx].wdev.if_dev != NULL) &&
			(RTMP_OS_NETDEV_STATE_RUNNING(pAd->ApCfg.MBSSID[apidx].wdev.if_dev)))
		{
			pMbss = &pAd->ApCfg.MBSSID[apidx];
			GetMultShiftFactorIndex(HTSetting, &Index);
    		RTMPCalculateAPTxRxActivityTime(pAd, Index, FrameLen, pMbss, NULL);
		}
	}
#endif
}