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 Ralink's source code is an unpublished work and the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

#include "rt_config.h"

#define OBSS_BEACON_RSSI_THRESHOLD		(-85)


/*
	==========================================================================
	Description:
		Process the received ProbeRequest from clients
	Parameters:
		Elem - msg containing the ProbeReq frame
	==========================================================================
 */
VOID APPeerProbeReqAction(
	IN PRTMP_ADAPTER pAd,
	IN MLME_QUEUE_ELEM *Elem)
{
	PEER_PROBE_REQ_PARAM ProbeReqParam;
	HEADER_802_11 ProbeRspHdr;
	NDIS_STATUS NStatus;
	PUCHAR pOutBuffer = NULL;
	ULONG FrameLen = 0, TmpLen;
	LARGE_INTEGER FakeTimestamp;
	UCHAR DsLen = 1;
	UCHAR ErpIeLen = 1;
	UCHAR apidx = 0, PhyMode, SupRateLen;
	UCHAR RSNIe=IE_WPA, RSNIe2=IE_WPA2;
	MULTISSID_STRUCT *mbss;
	struct wifi_dev *wdev;
	CHAR rssi = 0, idx = 0;


	
	if (! PeerProbeReqSanity(pAd, Elem->Msg, Elem->MsgLen, &ProbeReqParam))
		return;

	for(apidx=0; apidx<pAd->ApCfg.BssidNum; apidx++)
	{
		mbss = &pAd->ApCfg.MBSSID[apidx];
		wdev = &mbss->wdev;
		RSNIe = IE_WPA;
	
		if ((wdev->if_dev == NULL) || ((wdev->if_dev != NULL) &&
			!(RTMP_OS_NETDEV_STATE_RUNNING(wdev->if_dev))))
		{
			/* the interface is down, so we can not send probe response */
			continue;
		}

		PhyMode = wdev->PhyMode;

		if ( ((((ProbeReqParam.SsidLen == 0) && (!mbss->bHideSsid)) ||
			   ((ProbeReqParam.SsidLen == mbss->SsidLen) && NdisEqualMemory(ProbeReqParam.Ssid, mbss->Ssid, (ULONG) ProbeReqParam.SsidLen)))
			 )
		)
			;
		else
			continue; /* check next BSS */

	   rssi = RTMPMaxRssi(pAd,  ConvertToRssi(pAd, (CHAR)Elem->Rssi0, RSSI_0),
                                  ConvertToRssi(pAd, (CHAR)Elem->Rssi1, RSSI_1),
                                  ConvertToRssi(pAd, (CHAR)Elem->Rssi2, RSSI_2));

       if ((mbss->ProbeRspRssiThreshold != 0) && (rssi < mbss->ProbeRspRssiThreshold))
       {
            DBGPRINT(RT_DEBUG_INFO, ("%s: PROBE_RSP Threshold = %d , PROBE RSSI = %d\n",
                                  wdev->if_dev->name, mbss->ProbeRspRssiThreshold, rssi));
			continue;
	   }
	    	


		/* allocate and send out ProbeRsp frame */
		NStatus = MlmeAllocateMemory(pAd, &pOutBuffer);
		if (NStatus != NDIS_STATUS_SUCCESS)
			return;

		MgtMacHeaderInit(pAd, &ProbeRspHdr, SUBTYPE_PROBE_RSP, 0, ProbeReqParam.Addr2, 
							wdev->if_addr, wdev->bssid);

		 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;

		{
		SupRateLen = pAd->CommonCfg.SupRateLen;
		if (PhyMode == WMODE_B)
			SupRateLen = 4;

		MakeOutgoingFrame(pOutBuffer,                 &FrameLen,
						  sizeof(HEADER_802_11),      &ProbeRspHdr,
						  TIMESTAMP_LEN,              &FakeTimestamp,
						  2,                          &pAd->CommonCfg.BeaconPeriod,
						  2,                          &mbss->CapabilityInfo,
						  1,                          &SsidIe,
						  1,                          &mbss->SsidLen,
						  mbss->SsidLen,     mbss->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))
		{
			MakeOutgoingFrame(pOutBuffer+FrameLen,      &TmpLen,
							  1,                        &ErpIe,
							  1,                        &ErpIeLen,
							  1,                        &pAd->ApCfg.ErpIeContent,
							  1,                        &ExtRateIe,
							  1,                        &pAd->CommonCfg.ExtRateLen,
							  pAd->CommonCfg.ExtRateLen,    pAd->CommonCfg.ExtRate,
							  END_OF_ARGS);
			FrameLen += TmpLen;
		}

#ifdef A_BAND_SUPPORT
		/* add Channel switch announcement IE */
		if ((pAd->CommonCfg.Channel > 14)
			&& (pAd->CommonCfg.bIEEE80211H == 1)
			&& (pAd->Dot11_H.RDMode == RD_SWITCHING_MODE))
		{
			UCHAR CSAIe=IE_CHANNEL_SWITCH_ANNOUNCEMENT;
			UCHAR CSALen=3;
			UCHAR CSAMode=1;

			MakeOutgoingFrame(pOutBuffer+FrameLen,      &TmpLen,
							  1,                        &CSAIe,
							  1,                        &CSALen,
							  1,                        &CSAMode,
							  1,                        &pAd->CommonCfg.Channel,
							  1,                        &pAd->Dot11_H.CSCount,
							  END_OF_ARGS);
			FrameLen += TmpLen;
		}
#endif /* A_BAND_SUPPORT */

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

/* YF@20120419: Fix IOT Issue with Atheros STA on Windows 7 When IEEE80211H flag turn on. */

			HtLen = sizeof(pAd->CommonCfg.HtCapability);
			AddHtLen = sizeof(pAd->CommonCfg.AddHTInfo);
			NewExtLen = 1;
			/*New extension channel offset IE is included in Beacon, Probe Rsp or channel Switch Announcement Frame */
#ifndef RT_BIG_ENDIAN
			MakeOutgoingFrame(pOutBuffer + FrameLen,            &TmpLen,
							  1,                                &HtCapIe,
							  1,                                &HtLen,
							 sizeof(HT_CAPABILITY_IE),          &pAd->CommonCfg.HtCapability,
							  1,                                &AddHtInfoIe,
							  1,                                &AddHtLen,
							 sizeof(ADD_HT_INFO_IE),          &pAd->CommonCfg.AddHTInfo,
							  END_OF_ARGS);
#else
			NdisMoveMemory(&HtCapabilityTmp, &pAd->CommonCfg.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) = cpu2le16(*(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo));
#endif /* UNALIGNMENT_SUPPORT */

			NdisMoveMemory(&addHTInfoTmp, &pAd->CommonCfg.AddHTInfo, AddHtLen);
			*(USHORT *)(&addHTInfoTmp.AddHtInfo2) = SWAP16(*(USHORT *)(&addHTInfoTmp.AddHtInfo2));
			*(USHORT *)(&addHTInfoTmp.AddHtInfo3) = SWAP16(*(USHORT *)(&addHTInfoTmp.AddHtInfo3));

			MakeOutgoingFrame(pOutBuffer + FrameLen,         &TmpLen,
								1,                           &HtCapIe,
								1,                           &HtLen,
								HtLen,                       &HtCapabilityTmp,
								1,                           &AddHtInfoIe,
								1,                           &AddHtLen,
								AddHtLen,                    &addHTInfoTmp,
								END_OF_ARGS);

#endif
			FrameLen += TmpLen;
		}
#endif /* DOT11_N_SUPPORT */

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


		/* Extended Capabilities IE */
		{
			ULONG TmpLen;
			EXT_CAP_INFO_ELEMENT	extCapInfo;
			UCHAR 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 ((pAd->CommonCfg.PhyMode >= PHY_11ABGN_MIXED) && (pAd->CommonCfg.Channel <= 14) &&
				(pAd->ApCfg.MBSSID[apidx].wdev.DesiredHtPhyInfo.bHtEnable) && 
				(pAd->CommonCfg.bBssCoexEnable == TRUE))
			{
				extCapInfo.BssCoexistMgmtSupport = 1;
			}
#endif /* DOT11N_DRAFT3 */
#endif /* DOT11_N_SUPPORT */



			MakeOutgoingFrame(pOutBuffer+FrameLen, &TmpLen,
								1, 			&ExtCapIe,
								1, 			&extInfoLen,
								extInfoLen, 	&extCapInfo,
								END_OF_ARGS);
				
			FrameLen += TmpLen;
		}

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

		/* add WMM IE here */
		if (mbss->wdev.bWmmCapable)
		{
			UCHAR i;
			UCHAR WmeParmIe[26] = {IE_VENDOR_SPECIFIC, 24, 0x00, 0x50, 0xf2, 0x02, 0x01, 0x01, 0, 0};
			WmeParmIe[8] = pAd->ApCfg.BssEdcaParm.EdcaUpdateCount & 0x0f;
#ifdef UAPSD_SUPPORT
			UAPSD_MR_IE_FILL(WmeParmIe[8], &mbss->UapsdInfo);
#endif /* UAPSD_SUPPORT */
			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 */
									   (pAd->ApCfg.BssEdcaParm.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(pOutBuffer+FrameLen, &TmpLen,
							  26,                       WmeParmIe,
							  END_OF_ARGS);
			FrameLen += TmpLen;
		}

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

			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 */


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

#ifdef DOT11_N_SUPPORT
#ifdef DOT11N_DRAFT3
	 	/* P802.11n_D3.03, 7.3.2.60 Overlapping BSS Scan Parameters IE */
	 	if (WMODE_CAP_N(PhyMode) &&
			(pAd->CommonCfg.Channel <= 14) &&
			(wdev->DesiredHtPhyInfo.bHtEnable) &&
			(pAd->CommonCfg.HtCapability.HtCapInfo.ChannelWidth == 1))
	 	{
			OVERLAP_BSS_SCAN_IE  OverlapScanParam;
			ULONG	TmpLen;
			UCHAR	OverlapScanIE, ScanIELen;

			OverlapScanIE = IE_OVERLAPBSS_SCAN_PARM;
			ScanIELen = 14;
			OverlapScanParam.ScanPassiveDwell = cpu2le16(pAd->CommonCfg.Dot11OBssScanPassiveDwell);
			OverlapScanParam.ScanActiveDwell = cpu2le16(pAd->CommonCfg.Dot11OBssScanActiveDwell);
			OverlapScanParam.TriggerScanInt = cpu2le16(pAd->CommonCfg.Dot11BssWidthTriggerScanInt);
			OverlapScanParam.PassiveTalPerChannel = cpu2le16(pAd->CommonCfg.Dot11OBssScanPassiveTotalPerChannel);
			OverlapScanParam.ActiveTalPerChannel = cpu2le16(pAd->CommonCfg.Dot11OBssScanActiveTotalPerChannel);
			OverlapScanParam.DelayFactor = cpu2le16(pAd->CommonCfg.Dot11BssWidthChanTranDelayFactor);
			OverlapScanParam.ScanActThre = cpu2le16(pAd->CommonCfg.Dot11OBssScanActivityThre);
			
			MakeOutgoingFrame(pOutBuffer + FrameLen, &TmpLen,
								1,			&OverlapScanIE,
								1,			&ScanIELen,
								ScanIELen,	&OverlapScanParam,
								END_OF_ARGS);
			
			FrameLen += TmpLen;
	 	}

		/* 7.3.2.27 Extended Capabilities IE */
		{
			ULONG TmpLen;
			EXT_CAP_INFO_ELEMENT extCapInfo;
			UCHAR extInfoLen;


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

			/* P802.11n_D1.10, HT Information Exchange Support */
			if (WMODE_CAP_N(PhyMode) && (pAd->CommonCfg.Channel <= 14) &&
				(pAd->ApCfg.MBSSID[apidx].wdev.DesiredHtPhyInfo.bHtEnable) && 
				(pAd->CommonCfg.bBssCoexEnable == TRUE))
			{
				extCapInfo.BssCoexistMgmtSupport = 1;

				MakeOutgoingFrame(pOutBuffer+FrameLen, &TmpLen,
								1, 			&ExtCapIe,
								1, 			&extInfoLen,
								extInfoLen, 	&extCapInfo,
								END_OF_ARGS);
				
				FrameLen += TmpLen;
			}
		}
#endif /* DOT11N_DRAFT3 */
#endif /* DOT11_N_SUPPORT */

	    /* add country IE, power constraint IE */
		if (pAd->CommonCfg.bCountryFlag)
		{
			ULONG TmpLen2=0;
			UCHAR TmpFrame[256];
			UCHAR CountryIe = IE_COUNTRY;
			UCHAR MaxTxPower=16;

#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 (pAd->CommonCfg.Channel > 14 && pAd->CommonCfg.bIEEE80211H == TRUE)
			{
				/* prepare power constraint IE */
				MakeOutgoingFrame(pOutBuffer+FrameLen,    &TmpLen,
						3,                 	PowerConstraintIE,
						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(pOutBuffer + 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 */

			NdisZeroMemory(TmpFrame, sizeof(TmpFrame));

			/* prepare channel information */
			MakeOutgoingFrame(TmpFrame+TmpLen2,     &TmpLen,
					1,                 	&pAd->ChannelList[0].Channel,
					1,                 	&pAd->ChannelListNum,
					1,                 	&MaxTxPower,
					END_OF_ARGS);
			TmpLen2 += TmpLen;

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

#ifdef A_BAND_SUPPORT
		/* add Channel switch announcement IE */
		if ((pAd->CommonCfg.Channel > 14)
			&& (pAd->CommonCfg.bIEEE80211H == 1)
			&& (pAd->Dot11_H.RDMode == RD_SWITCHING_MODE))
		{
			UCHAR CSAIe=IE_CHANNEL_SWITCH_ANNOUNCEMENT;
			UCHAR CSALen=3;
			UCHAR CSAMode=1;

			MakeOutgoingFrame(pOutBuffer+FrameLen,      &TmpLen,
							  1,                        &CSAIe,
							  1,                        &CSALen,
							  1,                        &CSAMode,
							  1,                        &pAd->CommonCfg.Channel,
							  1,                        &pAd->Dot11_H.CSCount,
							  END_OF_ARGS);
			FrameLen += TmpLen;
#ifdef DOT11_N_SUPPORT
   			if (pAd->CommonCfg.bExtChannelSwitchAnnouncement)
			{
				HT_EXT_CHANNEL_SWITCH_ANNOUNCEMENT_IE HtExtChannelSwitchIe;

				build_ext_channel_switch_ie(pAd, &HtExtChannelSwitchIe);
				MakeOutgoingFrame(pOutBuffer + FrameLen, &TmpLen,
								  sizeof(HT_EXT_CHANNEL_SWITCH_ANNOUNCEMENT_IE),	&HtExtChannelSwitchIe,
								  END_OF_ARGS);
			}
#endif /* DOT11_N_SUPPORT */
			FrameLen += TmpLen;
		}
#endif /* A_BAND_SUPPORT */

#ifdef DOT11_N_SUPPORT
		if (WMODE_CAP_N(PhyMode) &&
			(wdev->DesiredHtPhyInfo.bHtEnable))
		{
			ULONG TmpLen;
			UCHAR	HtLen, AddHtLen;/*, NewExtLen; */
#ifdef RT_BIG_ENDIAN
			HT_CAPABILITY_IE HtCapabilityTmp;
			ADD_HT_INFO_IE	addHTInfoTmp;
#endif
			HtLen = sizeof(pAd->CommonCfg.HtCapability);
			AddHtLen = sizeof(pAd->CommonCfg.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(pOutBuffer + FrameLen,        &TmpLen,
						  1,                                &WpaIe,
							  1,                                &epigram_ie_len,
							  4,                                &BROADCOM_HTC[0],
							  HtLen,          					&pAd->CommonCfg.HtCapability,
							  END_OF_ARGS);
#else
				NdisMoveMemory(&HtCapabilityTmp, &pAd->CommonCfg.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) = cpu2le16(*(USHORT *)(&HtCapabilityTmp.ExtHtCapInfo));
#endif /* UNALIGNMENT_SUPPORT */

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

				FrameLen += TmpLen;

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

				MakeOutgoingFrame(pOutBuffer + FrameLen,         &TmpLen,
								1,                               &WpaIe,
								1,                               &epigram_ie_len,
								4,                               &BROADCOM_AHTINFO[0],
								AddHtLen,                        &addHTInfoTmp,
							  END_OF_ARGS);
#endif

				FrameLen += TmpLen;
			}

#ifdef DOT11_VHT_AC
			if (WMODE_CAP_AC(PhyMode) &&
				(pAd->CommonCfg.Channel > 14)) {
				FrameLen += build_vht_ies(pAd, (UCHAR *)(pOutBuffer+FrameLen), SUBTYPE_PROBE_RSP);
			}
#endif /* DOT11_VHT_AC */

		}
#endif /* DOT11_N_SUPPORT */






	/* 
		add Ralink-specific IE here - Byte0.b0=1 for aggregation, Byte0.b1=1 for piggy-back
		                                 Byte0.b3=1 for rssi-feedback 
	*/
	{
		ULONG TmpLen;
		UCHAR RalinkSpecificIe[9] = {IE_VENDOR_SPECIFIC, 7, 0x00, 0x0c, 0x43, 0x00, 0x00, 0x00, 0x00};

		if (pAd->CommonCfg.bAggregationCapable)
			RalinkSpecificIe[5] |= 0x1;
		if (pAd->CommonCfg.bPiggyBackCapable)
			RalinkSpecificIe[5] |= 0x2;
#ifdef DOT11_N_SUPPORT
		if (pAd->CommonCfg.bRdg)
			RalinkSpecificIe[5] |= 0x4;
#endif /* DOT11_N_SUPPORT */

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

#ifdef RSSI_FEEDBACK
		if (ProbeReqParam.bRequestRssi == TRUE)
		{
		    MAC_TABLE_ENTRY *pEntry=NULL;

			DBGPRINT(RT_DEBUG_ERROR, ("SYNC - Send PROBE_RSP to %02x:%02x:%02x:%02x:%02x:%02x...\n",
										PRINT_MAC(Addr2)));
	    
			RalinkSpecificIe[5] |= 0x8;
			pEntry = MacTableLookup(pAd, Addr2);

			if (pEntry != NULL)
			{
				RalinkSpecificIe[6] = (UCHAR)pEntry->RssiSample.AvgRssi0;
				RalinkSpecificIe[7] = (UCHAR)pEntry->RssiSample.AvgRssi1;
				RalinkSpecificIe[8] = (UCHAR)pEntry->RssiSample.AvgRssi2;
			}
		}
#endif /* RSSI_FEEDBACK */
		MakeOutgoingFrame(pOutBuffer+FrameLen, &TmpLen,
							9, RalinkSpecificIe,
							END_OF_ARGS);
		FrameLen += TmpLen;

	}

	/* 802.11n 11.1.3.2.2 active scanning. sending probe response with MCS rate is */
	for (idx = 0; idx < mbss->ProbeRspTimes; idx++)
		MiniportMMRequest(pAd, 0, pOutBuffer, FrameLen);

	MlmeFreeMemory(pAd, pOutBuffer);
	}
}


/*
	==========================================================================
	Description:
		parse the received BEACON

	NOTE:
		The only thing AP cares about received BEACON frames is to decide
		if there's any overlapped legacy BSS condition (OLBC).
		If OLBC happened, this AP should set the ERP->Use_Protection bit in its
		outgoing BEACON. The result is to tell all its clients to use RTS/CTS
		or CTS-to-self protection to protect B/G mixed traffic
	==========================================================================
 */


typedef struct
{
	ULONG	count;
	UCHAR	bssid[MAC_ADDR_LEN];
} BSSIDENTRY;


VOID APPeerBeaconAction(
	IN PRTMP_ADAPTER pAd,
	IN MLME_QUEUE_ELEM *Elem)
{
	UCHAR Rates[MAX_LEN_OF_SUPPORTED_RATES], *pRates = NULL, RatesLen;
	BOOLEAN LegacyBssExist;
	CHAR RealRssi;
	UCHAR *VarIE = NULL;
	USHORT LenVIE;
	NDIS_802_11_VARIABLE_IEs *pVIE = NULL;
	UCHAR MaxSupportedRate = 0;

	BCN_IE_LIST *ie_list = NULL;


	/* allocate memory */
	os_alloc_mem(NULL, (UCHAR **)&ie_list, sizeof(BCN_IE_LIST));
	if (ie_list == NULL)
	{
		DBGPRINT(RT_DEBUG_ERROR, ("%s: Allocate ie_list fail!!!\n", __FUNCTION__));
		goto LabelErr;
	}
	NdisZeroMemory(ie_list, sizeof(BCN_IE_LIST));

	/* Init Variable IE structure */
	os_alloc_mem(NULL, (UCHAR **)&VarIE, MAX_VIE_LEN);
	if (VarIE == NULL)
	{
		DBGPRINT(RT_DEBUG_ERROR, ("%s: Allocate VarIE fail!!!\n", __FUNCTION__));
		goto LabelErr;
	}
	pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
	pVIE->Length = 0;



	pRates = (PUCHAR)Rates;

	ie_list->Channel = Elem->Channel;
	RealRssi = RTMPMaxRssi(pAd, ConvertToRssi(pAd, Elem->Rssi0, RSSI_0),
							ConvertToRssi(pAd, Elem->Rssi1, RSSI_1),
							ConvertToRssi(pAd, Elem->Rssi2, RSSI_2));
	
	if (PeerBeaconAndProbeRspSanity(pAd,
								Elem->Msg,
								Elem->MsgLen,
								Elem->Channel,
								ie_list,
								&LenVIE,
								pVIE))
	{

		/* ignore BEACON not in this channel */
		if (ie_list->Channel != pAd->CommonCfg.Channel
#ifdef DOT11_N_SUPPORT
#ifdef DOT11N_DRAFT3
			&& (pAd->CommonCfg.bOverlapScanning == FALSE)
#endif /* DOT11N_DRAFT3 */
#endif /* DOT11_N_SUPPORT */
#ifdef RT_CFG80211_P2P_CONCURRENT_DEVICE
			&& (!RTMP_CFG80211_VIF_P2P_CLI_ON(pAd))
#endif /* RT_CFG80211_P2P_CONCURRENT_DEVICE */
			)
		{
			goto __End_Of_APPeerBeaconAction;
		}

			
#ifdef DOT11_N_SUPPORT
		/* 40Mhz BSS Width Trigger events Intolerant devices */
		if ((RealRssi > OBSS_BEACON_RSSI_THRESHOLD) && (ie_list->HtCapability.HtCapInfo.Forty_Mhz_Intolerant)) /* || (HtCapabilityLen == 0))) */
		{
			Handle_BSS_Width_Trigger_Events(pAd);
		}
#endif /* DOT11_N_SUPPORT */

#ifdef DOT11_N_SUPPORT
		if ((pAd->CommonCfg.HtCapability.HtCapInfo.ChannelWidth == BW_40)
#ifdef DOT11N_DRAFT3
			&& (pAd->CommonCfg.bOverlapScanning == FALSE)
#endif /* DOT11N_DRAFT3 */
		   )
		{
			if (pAd->CommonCfg.Channel<=14)
			{
#if defined(P2P_SUPPORT) || defined(RT_CFG80211_P2P_CONCURRENT_DEVICE)
				if(OPSTATUS_TEST_FLAG(pAd, fOP_AP_STATUS_MEDIA_STATE_CONNECTED) && 
					RTMP_CFG80211_VIF_P2P_CLI_ON(pAd)
				  )
				{
					if (ie_list->Channel != pAd->CommonCfg.Channel)
					{
						DBGPRINT(RT_DEBUG_INFO, ("Channel=%d is not equal as CommonCfg.Channel = %d.\n", ie_list->Channel, pAd->CommonCfg.Channel));
//						goto __End_Of_APPeerBeaconAction;
					}
				}
				else
#endif /* P2P_SUPPORT || RT_CFG80211_P2P_CONCURRENT_DEVICE */
				if (((pAd->CommonCfg.CentralChannel+2) != ie_list->Channel) &&
					((pAd->CommonCfg.CentralChannel-2) != ie_list->Channel))
				{
/*
					DBGPRINT(RT_DEBUG_TRACE, ("%02x:%02x:%02x:%02x:%02x:%02x is a legacy BSS (%d) \n",
								Bssid[0], Bssid[1], Bssid[2], Bssid[3], Bssid[4], Bssid[5], Channel));
*/
					goto __End_Of_APPeerBeaconAction;
				}
			}
			else
			{
				if (ie_list->Channel != pAd->CommonCfg.Channel)
					goto __End_Of_APPeerBeaconAction;
			}
		}
#endif /* DOT11_N_SUPPORT */

                SupportRate(ie_list->SupRate, ie_list->SupRateLen, ie_list->ExtRate, ie_list->ExtRateLen, &pRates, &RatesLen, &MaxSupportedRate);
		
                if ((ie_list->Erp & 0x01) || (RatesLen <= 4))
			LegacyBssExist = TRUE;
		else
			LegacyBssExist = FALSE;

		if (LegacyBssExist && pAd->CommonCfg.DisableOLBCDetect == 0)
		{
			pAd->ApCfg.LastOLBCDetectTime = pAd->Mlme.Now32;
			
		}

#ifdef DOT11_N_SUPPORT
		if ((pAd->CommonCfg.bHTProtect)
			&& (ie_list->HtCapabilityLen == 0) && (RealRssi > OBSS_BEACON_RSSI_THRESHOLD))
		{
			
			pAd->ApCfg.LastNoneHTOLBCDetectTime = pAd->Mlme.Now32;
		}
#endif /* DOT11_N_SUPPORT */

#ifdef APCLI_SUPPORT
		if (Elem->Wcid < MAX_LEN_OF_MAC_TABLE)
		{
			PMAC_TABLE_ENTRY pEntry = NULL;
			UINT ifIndex = 0;

			pEntry = &pAd->MacTab.Content[Elem->Wcid];
			
			if (pEntry && IS_ENTRY_APCLI(pEntry) && (pEntry->wdev_idx < MAX_APCLI_NUM))
			{
				pAd->ApCfg.ApCliTab[pEntry->wdev_idx].ApCliRcvBeaconTime = pAd->Mlme.Now32;
				ifIndex = pEntry->wdev_idx;				

#ifdef RT_CFG80211_P2P_CONCURRENT_DEVICE
				/* what time dose the NoA on ? It should be Conneted on. */
				if (RTMP_CFG80211_VIF_P2P_CLI_ON(pAd))
				{
					CFG80211_PeerP2pBeacon(pAd, ie_list->Addr2, Elem, ie_list->TimeStamp);
                    if(ie_list->MessageToMe &&
                       NdisEqualMemory(pAd->ApCfg.ApCliTab[ifIndex].CfgApCliBssid, ie_list->Bssid, MAC_ADDR_LEN))
					{
						MiniportMMRequest(pAd, 0, (PUCHAR)&pAd->ApCfg.ApCliTab[0].PsPollFrame, sizeof(PSPOLL_FRAME));
					}                    
				}
#endif /* RT_CFG80211_P2P_CONCURRENT_DEVICE */
	
				if (pAd->CommonCfg.BBPCurrentBW == BW_40)
				{
					/* Check if root-ap change BW to 20 */
					if ((ie_list->AddHtInfo.AddHtInfo.ExtChanOffset == EXTCHA_NONE) &&
						(ie_list->AddHtInfo.AddHtInfo.RecomWidth == 0))
					{
						pEntry->HTPhyMode.field.BW = 0;
						DBGPRINT(RT_DEBUG_INFO, ("FallBack APClient BW to 20MHz\n"));
					}

					/* Check if root-ap change BW to 40 */
					if ((ie_list->AddHtInfo.AddHtInfo.ExtChanOffset != EXTCHA_NONE) &&
						(ie_list->HtCapabilityLen > 0) &&
						(ie_list->HtCapability.HtCapInfo.ChannelWidth == 1))
					{
						pEntry->HTPhyMode.field.BW = 1;
						DBGPRINT(RT_DEBUG_INFO, ("FallBack APClient BW to 40MHz\n"));
					}
				}
#ifdef APCLI_CERT_SUPPORT
				if (pAd->bApCliCertTest == TRUE)
				{
					UCHAR RegClass;
					OVERLAP_BSS_SCAN_IE	BssScan;
					BOOLEAN					brc;

					brc = PeerBeaconAndProbeRspSanity2(pAd, Elem->Msg, Elem->MsgLen, &BssScan, &RegClass);
					if (brc == TRUE)
					{
						pAd->CommonCfg.Dot11BssWidthTriggerScanInt = le2cpu16(BssScan.TriggerScanInt); /*APBssScan.TriggerScanInt[1] * 256 + APBssScan.TriggerScanInt[0];*/
						/*DBGPRINT(RT_DEBUG_ERROR,("Update Dot11BssWidthTriggerScanInt=%d \n", pAd->CommonCfg.Dot11BssWidthTriggerScanInt)); */
						/* out of range defined in MIB... So fall back to default value.*/
						if ((pAd->CommonCfg.Dot11BssWidthTriggerScanInt < 10) ||(pAd->CommonCfg.Dot11BssWidthTriggerScanInt > 900))
						{
							/*DBGPRINT(RT_DEBUG_ERROR,("ACT - UpdateBssScanParm( Dot11BssWidthTriggerScanInt out of range !!!!)  \n"));*/
							pAd->CommonCfg.Dot11BssWidthTriggerScanInt = 900;
						}
					}

					if (ie_list->operating_mode.rx_nss_type == 0) {
						pEntry->force_op_mode = TRUE;
						NdisMoveMemory(&pEntry->operating_mode, &ie_list->operating_mode, 1);

						//printk("recv notify\n");
					}
					
				}
#endif /* APCLI_CERT_SUPPORT */
				if (/*(ApCliWaitProbRsp(pAd, ifIndex) == TRUE) &&*/ 
			    	    (NdisEqualMemory(pAd->ApCfg.ApCliTab[ifIndex].CfgApCliBssid, ie_list->Bssid, MAC_ADDR_LEN)))
				{
					MlmeEnqueue(pAd, APCLI_SYNC_STATE_MACHINE, APCLI_MT2_PEER_BEACON, Elem->MsgLen, Elem->Msg, ifIndex);
				}
			}
		}
#endif /* APCLI_SUPPORT */


#ifdef DOT11_N_SUPPORT
#ifdef DOT11N_DRAFT3
		if (pAd->CommonCfg.bOverlapScanning == TRUE)
		{
			INT		index,secChIdx;
			BOOLEAN		found = FALSE;
			ADD_HTINFO *pAdd_HtInfo;
			
			for (index = 0; index < pAd->ChannelListNum; index++)
			{
				/* found the effected channel, mark that. */
				if(pAd->ChannelList[index].Channel == ie_list->Channel)
				{
					secChIdx = -1;
					if (ie_list->HtCapabilityLen > 0 && ie_list->AddHtInfoLen > 0)
					{	/* This is a 11n AP. */
						pAd->ChannelList[index].bEffectedChannel |= EFFECTED_CH_PRIMARY; /* 2; 	// 2 for 11N 20/40MHz AP with primary channel set as this channel. */
						pAdd_HtInfo = &ie_list->AddHtInfo.AddHtInfo;
						if (pAdd_HtInfo->ExtChanOffset == EXTCHA_BELOW)
						{
#ifdef A_BAND_SUPPORT						
							if (ie_list->Channel > 14)
								secChIdx = ((index > 0) ? (index - 1) : -1);
							else
#endif /* A_BAND_SUPPORT */								
								secChIdx = ((index >= 4) ? (index - 4) : -1);
						}
						else if (pAdd_HtInfo->ExtChanOffset == EXTCHA_ABOVE)
						{
#ifdef A_BAND_SUPPORT						
							if (ie_list->Channel > 14)
								secChIdx = (((index+1) < pAd->ChannelListNum) ? (index + 1) : -1);
							else
#endif /* A_BAND_SUPPORT */								
								secChIdx = (((index+4) < pAd->ChannelListNum) ? (index + 4) : -1);
						}

						if (secChIdx >=0)
							pAd->ChannelList[secChIdx].bEffectedChannel |= EFFECTED_CH_SECONDARY; /* 1; */

						if ((pAd->CommonCfg.Channel != ie_list->Channel) || 
							(pAdd_HtInfo->ExtChanOffset  != pAd->CommonCfg.AddHTInfo.AddHtInfo.ExtChanOffset)
						)
							pAd->CommonCfg.BssCoexApCnt++;
					}
					else
					{
						/* This is a legacy AP. */
						pAd->ChannelList[index].bEffectedChannel |=  EFFECTED_CH_LEGACY; /* 4; 1 for legacy AP. */
						pAd->CommonCfg.BssCoexApCnt++;
					}

					found = TRUE;
				}
			}
		}
#endif /* DOT11N_DRAFT3 */
#endif /* DOT11_N_SUPPORT */

#ifdef ED_MONITOR
		if (pAd->ed_chk) // only updat scan table when AP turn on edcca
		{
			ULONG Idx, ap_count;
			CHAR    Rssi;
			
		       Idx = BssTableSearch(&pAd->ScanTab, ie_list->Bssid, ie_list->Channel);

			if (Idx != BSS_NOT_FOUND)
		            Rssi = pAd->ScanTab.BssEntry[Idx].Rssi;

		        /* TODO: 2005-03-04 dirty patch. we should change all RSSI related variables to SIGNED SHORT for easy/efficient reading and calaulation */
				RealRssi = RTMPMaxRssi(pAd, ConvertToRssi(pAd, Elem->Rssi0, RSSI_0), ConvertToRssi(pAd, Elem->Rssi1, RSSI_1), ConvertToRssi(pAd, Elem->Rssi2, RSSI_2));
		        if ((RealRssi + pAd->BbpRssiToDbmDelta) > Rssi)
		            Rssi = RealRssi + pAd->BbpRssiToDbmDelta;

				Idx = BssTableSetEntry(pAd, &pAd->ScanTab, ie_list, Rssi, LenVIE, pVIE);

				
				if (Idx != BSS_NOT_FOUND)
				{
					NdisMoveMemory(pAd->ScanTab.BssEntry[Idx].PTSF, &Elem->Msg[24], 4);
					NdisMoveMemory(&pAd->ScanTab.BssEntry[Idx].TTSF[0], &Elem->TimeStamp.u.LowPart, 4);
					NdisMoveMemory(&pAd->ScanTab.BssEntry[Idx].TTSF[4], &Elem->TimeStamp.u.LowPart, 4);
				}

				if ((ap_count = BssChannelAPCount(&pAd->ScanTab, pAd->CommonCfg.Channel)) > pAd->ed_ap_threshold)
				{
					if (pAd->ed_chk)
					{
						DBGPRINT(RT_DEBUG_ERROR, ("@@@ %s : BssChannelAPCount=%u, ed_ap_threshold=%u,  go to ed_monitor_exit()!!\n", __FUNCTION__, ap_count, pAd->ed_ap_threshold));
						ed_monitor_exit(pAd);
					}
				}
		}
#endif /* ED_MONITOR */
	}
	/* sanity check fail, ignore this frame */

__End_Of_APPeerBeaconAction:
/*#ifdef AUTO_CH_SELECT_ENHANCE */
#ifdef CONFIG_AP_SUPPORT
IF_DEV_CONFIG_OPMODE_ON_AP(pAd)
{
	if (ie_list->Channel == pAd->ApCfg.AutoChannel_Channel)
	{
		if (AutoChBssSearchWithSSID(pAd, ie_list->Bssid, (PUCHAR)ie_list->Ssid, ie_list->SsidLen, ie_list->Channel) == BSS_NOT_FOUND)
			pAd->pChannelInfo->ApCnt[pAd->ApCfg.current_channel_index]++;
		AutoChBssInsertEntry(pAd, ie_list->Bssid, ie_list->Ssid, ie_list->SsidLen, ie_list->Channel, ie_list->NewExtChannelOffset, RealRssi);
	}
}
#endif /* CONFIG_AP_SUPPORT */
/*#endif // AUTO_CH_SELECT_ENHANCE */

LabelErr:
	if (VarIE != NULL)
		os_free_mem(NULL, VarIE);
	if (ie_list != NULL)
		os_free_mem(NULL, ie_list);

	return;
}

#ifdef AP_SCAN_SUPPORT
/*
    ==========================================================================
    Description:
    ==========================================================================
 */
VOID APInvalidStateWhenScan(RTMP_ADAPTER *pAd, MLME_QUEUE_ELEM *Elem)
{
	DBGPRINT(RT_DEBUG_TRACE, ("AYNC - InvalidStateWhenScan(state=%ld). Reset SYNC machine\n", pAd->Mlme.ApSyncMachine.CurrState));
}

/*
    ==========================================================================
    Description:
        Scan timeout handler, executed in timer thread
    ==========================================================================
 */
VOID APScanTimeout(
	IN PVOID SystemSpecific1,
	IN PVOID FunctionContext,
	IN PVOID SystemSpecific2,
	IN PVOID SystemSpecific3)
{
	PRTMP_ADAPTER pAd = (PRTMP_ADAPTER)FunctionContext;

	DBGPRINT(RT_DEBUG_TRACE, ("AP SYNC - Scan Timeout \n"));
	MlmeEnqueue(pAd, AP_SYNC_STATE_MACHINE, APMT2_SCAN_TIMEOUT, 0, NULL, 0);
	RTMP_MLME_HANDLER(pAd);
}

/*
    ==========================================================================
    Description:
        Scan timeout procedure. basically add channel index by 1 and rescan
    ==========================================================================
 */
VOID APScanTimeoutAction(RTMP_ADAPTER *pAd, MLME_QUEUE_ELEM *Elem)
{
#ifdef AP_PARTIAL_SCAN_SUPPORT
	pAd->MlmeAux.Channel = RTMPFindScanChannel(pAd, pAd->MlmeAux.Channel);
#else
	pAd->MlmeAux.Channel = NextChannel(pAd, pAd->MlmeAux.Channel);
#endif /* AP_PARTIAL_SCAN_SUPPORT */
#ifdef CONFIG_AP_SUPPORT
	IF_DEV_CONFIG_OPMODE_ON_AP(pAd)
	{		
		/*
			iwpriv set auto channel selection
			update the current index of the channel
		*/
		if (pAd->ApCfg.bAutoChannelAtBootup == TRUE)
		{
			/* update current channel info */
			UpdateChannelInfo(pAd, pAd->ApCfg.current_channel_index, pAd->ApCfg.AutoChannelAlg);

			/* move to next channel */
			pAd->ApCfg.current_channel_index++;
			if (pAd->ApCfg.current_channel_index < pAd->ChannelListNum)
			{
				pAd->ApCfg.AutoChannel_Channel = pAd->ChannelList[pAd->ApCfg.current_channel_index].Channel;
			}
		}
	}
#endif /* CONFIG_AP_SUPPORT */
	ScanNextChannel(pAd, OPMODE_AP);
}

#ifdef CON_WPS
VOID APMlmeScanCompleteAction(PRTMP_ADAPTER pAd, MLME_QUEUE_ELEM *Elem)
{
	PWSC_CTRL   pWscControl;
	PWSC_CTRL   pApCliWscControl;
	UCHAR       apidx;
	INT         IsAPConfigured;

	DBGPRINT(RT_DEBUG_TRACE, ("AP SYNC - APMlmeScanCompleteAction\n"));

	/* If We catch the SR=TRUE in last scan_res, stop the AP Wsc SM */	
	pApCliWscControl = &pAd->ApCfg.ApCliTab[BSS0].WscControl;
	WscPBCBssTableSort(pAd, pApCliWscControl);
	
	for(apidx=0; apidx<pAd->ApCfg.BssidNum; apidx++)
	{
		pWscControl = &pAd->ApCfg.MBSSID[apidx].WscControl;
		IsAPConfigured = pWscControl->WscConfStatus;
		
		DBGPRINT(RT_DEBUG_TRACE, ("CON_WPS[%d]: info %d, %d\n", apidx, pWscControl->WscState, pWscControl->bWscTrigger));
		if ((pWscControl->WscConfMode != WSC_DISABLE) && 
		    (pWscControl->bWscTrigger == TRUE) &&
		    (pApCliWscControl->WscPBCBssCount > 0))
		{
			DBGPRINT(RT_DEBUG_TRACE, ("CON_WPS[%d]: Stop the AP Wsc Machine\n", apidx));
			WscBuildBeaconIE(pAd, IsAPConfigured, FALSE, 0, 0, apidx, NULL, 0, AP_MODE);
			WscBuildProbeRespIE(pAd, WSC_MSGTYPE_AP_WLAN_MGR, IsAPConfigured, FALSE, 0, 0, apidx, NULL, 0, AP_MODE);
			APUpdateBeaconFrame(pAd, apidx);
			WscStop(pAd, FALSE, pWscControl);
			/* AP: For stop the other side of the band with WSC SM */
			WscConWpsStop(pAd, FALSE, pWscControl);
			continue;
		}
	}

}
#endif /* CON_WPS*/

/*
    ==========================================================================
    Description:
        MLME SCAN req state machine procedure
    ==========================================================================
 */
VOID APMlmeScanReqAction(RTMP_ADAPTER *pAd, MLME_QUEUE_ELEM *Elem)
{
	BOOLEAN Cancelled;
	UCHAR Ssid[MAX_LEN_OF_SSID], SsidLen, ScanType, BssType;


	/* Suspend MSDU transmission here */
	RTMPSuspendMsduTransmission(pAd);

	/* first check the parameter sanity */
	if (MlmeScanReqSanity(pAd, Elem->Msg, Elem->MsgLen, &BssType, (PCHAR)Ssid, &SsidLen, &ScanType))
	{
		DBGPRINT(RT_DEBUG_TRACE, ("AP SYNC - MlmeScanReqAction\n"));
		NdisGetSystemUpTime(&pAd->ApCfg.LastScanTime);

		RTMPCancelTimer(&pAd->MlmeAux.APScanTimer, &Cancelled);

		/* record desired BSS parameters */
		pAd->MlmeAux.BssType = BssType;
		pAd->MlmeAux.ScanType = ScanType;
		pAd->MlmeAux.SsidLen = SsidLen;
		NdisMoveMemory(pAd->MlmeAux.Ssid, Ssid, SsidLen);

		/* start from the first channel */
#ifdef AP_PARTIAL_SCAN_SUPPORT
		pAd->MlmeAux.Channel = RTMPFindScanChannel(pAd, 0);
#else
		pAd->MlmeAux.Channel = FirstChannel(pAd);
#endif /* AP_PARTIAL_SCAN_SUPPORT */

		/* Let BBP register at 20MHz to do scan */
		bbp_set_bw(pAd, BW_20);
		DBGPRINT(RT_DEBUG_TRACE, ("SYNC - BBP R4 to 20MHz.l\n"));

#ifdef CONFIG_AP_SUPPORT
		IF_DEV_CONFIG_OPMODE_ON_AP(pAd)
		{
			if (pAd->ApCfg.bAutoChannelAtBootup == TRUE)/* iwpriv set auto channel selection */
			{
				APAutoChannelInit(pAd);	
				pAd->ApCfg.AutoChannel_Channel = pAd->ChannelList[0].Channel;
			}
		}
#endif /* CONFIG_AP_SUPPORT */
		ScanNextChannel(pAd, OPMODE_AP);
	}
	else
	{
		DBGPRINT(RT_DEBUG_ERROR, ("AP SYNC - MlmeScanReqAction() sanity check fail. BUG!!!\n"));
		pAd->Mlme.ApSyncMachine.CurrState = AP_SYNC_IDLE;
	}
}


/*
    ==========================================================================
    Description:
        peer sends beacon back when scanning
    ==========================================================================
 */
VOID APPeerBeaconAtScanAction(RTMP_ADAPTER *pAd, MLME_QUEUE_ELEM *Elem)
{
	PFRAME_802_11 pFrame;
	UCHAR *VarIE = NULL;
	USHORT LenVIE;
	NDIS_802_11_VARIABLE_IEs *pVIE = NULL;
	CHAR RealRssi = -127;

	BCN_IE_LIST *ie_list = NULL;


	os_alloc_mem(pAd, (UCHAR **)&ie_list, sizeof(BCN_IE_LIST));
	if (!ie_list) {
		DBGPRINT(RT_DEBUG_ERROR, ("%s: Alloc memory for ie_list fail!!!\n", __FUNCTION__));
		return;
	}
	NdisZeroMemory((UCHAR *)ie_list, sizeof(BCN_IE_LIST));

	/* allocate memory */
	os_alloc_mem(NULL, (UCHAR **)&VarIE, MAX_VIE_LEN);
	if (VarIE == NULL)
	{
		DBGPRINT(RT_DEBUG_ERROR, ("%s: Allocate memory fail!!!\n", __FUNCTION__));
		goto LabelErr;
	}

	pFrame = (PFRAME_802_11) Elem->Msg;
	/* Init Variable IE structure */
	pVIE = (PNDIS_802_11_VARIABLE_IEs) VarIE;
	pVIE->Length = 0;


	if (PeerBeaconAndProbeRspSanity(pAd,
					Elem->Msg, Elem->MsgLen, Elem->Channel,
					ie_list, &LenVIE, pVIE))
    {
		ULONG Idx;
		CHAR  Rssi = -127;

		RealRssi = RTMPMaxRssi(pAd, ConvertToRssi(pAd, Elem->Rssi0, RSSI_0),
								ConvertToRssi(pAd, Elem->Rssi1, RSSI_1),
								ConvertToRssi(pAd, Elem->Rssi2, RSSI_2));


		
		/* ignore BEACON not in this channel */
		if (ie_list->Channel != pAd->MlmeAux.Channel
#ifdef DOT11_N_SUPPORT
#ifdef DOT11N_DRAFT3
			&& (pAd->CommonCfg.bOverlapScanning == FALSE)
#endif /* DOT11N_DRAFT3 */
#endif /* DOT11_N_SUPPORT */
		   )
		{
			//CFG_TODO
			goto __End_Of_APPeerBeaconAtScanAction;
		}

#ifdef DOT11_N_SUPPORT
   		if ((RealRssi > OBSS_BEACON_RSSI_THRESHOLD) && (ie_list->HtCapability.HtCapInfo.Forty_Mhz_Intolerant)) /* || (HtCapabilityLen == 0))) */
		{
			Handle_BSS_Width_Trigger_Events(pAd);
		}
#endif /* DOT11_N_SUPPORT */


		/*
			This correct im-proper RSSI indication during SITE SURVEY issue.
			Always report bigger RSSI during SCANNING when receiving multiple BEACONs from the same AP.
			This case happens because BEACONs come from adjacent channels, so RSSI become weaker as we
			switch to more far away channels.
		*/
        Idx = BssTableSearch(&pAd->ScanTab, ie_list->Bssid, ie_list->Channel);
		if (Idx != BSS_NOT_FOUND)
            Rssi = pAd->ScanTab.BssEntry[Idx].Rssi;

		

        /* TODO: 2005-03-04 dirty patch. we should change all RSSI related variables to SIGNED SHORT for easy/efficient reading and calaulation */
		RealRssi = RTMPMaxRssi(pAd, ConvertToRssi(pAd, Elem->Rssi0, RSSI_0), 
								ConvertToRssi(pAd, Elem->Rssi1, RSSI_1),
								ConvertToRssi(pAd, Elem->Rssi2, RSSI_2));
        if ((RealRssi + pAd->BbpRssiToDbmDelta) > Rssi)
            Rssi = RealRssi + pAd->BbpRssiToDbmDelta;

		Idx = BssTableSetEntry(pAd, &pAd->ScanTab, ie_list, Rssi, LenVIE, pVIE);
#ifdef APCLI_SUPPORT
#ifdef APCLI_CERT_SUPPORT
#ifdef DOT11_N_SUPPORT
#ifdef DOT11N_DRAFT3
		/* Check if this scan channel is the effeced channel */
		if (APCLI_IF_UP_CHECK(pAd, 0) && pAd->bApCliCertTest == TRUE
			&& (pAd->CommonCfg.bBssCoexEnable == TRUE) 
			&& ((ie_list->Channel > 0) && (ie_list->Channel <= 14)))
		{
			int chListIdx;

			/* 
				First we find the channel list idx by the channel number
			*/
			for (chListIdx = 0; chListIdx < pAd->ChannelListNum; chListIdx++)
			{
				if (ie_list->Channel == pAd->ChannelList[chListIdx].Channel)
					break;
			}

			if (chListIdx < pAd->ChannelListNum)
			{
				/* 
					If this channel is effected channel for the 20/40 coex operation. Check the related IEs.
				*/
				if (pAd->ChannelList[chListIdx].bEffectedChannel == TRUE)
				{
					UCHAR RegClass;
					OVERLAP_BSS_SCAN_IE	BssScan;

					/* Read Beacon's Reg Class IE if any. */
					PeerBeaconAndProbeRspSanity2(pAd, Elem->Msg, Elem->MsgLen, &BssScan, &RegClass);
					//printk("\x1b[31m TriEventTableSetEntry \x1b[m\n");
					TriEventTableSetEntry(pAd, &pAd->CommonCfg.TriggerEventTab, ie_list->Bssid, &ie_list->HtCapability, ie_list->HtCapabilityLen, RegClass, ie_list->Channel );
				}
			}
		}
#endif /* DOT11N_DRAFT3 */
#endif /* DOT11_N_SUPPORT */
#endif /* APCLI_CERT_SUPPORT */
#endif /* APCLI_SUPPORT */						
		if (Idx != BSS_NOT_FOUND)
		{
			NdisMoveMemory(pAd->ScanTab.BssEntry[Idx].PTSF, &Elem->Msg[24], 4);
			NdisMoveMemory(&pAd->ScanTab.BssEntry[Idx].TTSF[0], &Elem->TimeStamp.u.LowPart, 4);
			NdisMoveMemory(&pAd->ScanTab.BssEntry[Idx].TTSF[4], &Elem->TimeStamp.u.LowPart, 4);
		}

#ifdef RT_CFG80211_P2P_CONCURRENT_DEVICE
		if (RTMPEqualMemory(ie_list->Ssid, "DIRECT-", 7))
			DBGPRINT(RT_DEBUG_OFF, ("%s P2P_SCANNING: %s [%d], channel =%u\n", __FUNCTION__, ie_list->Ssid, Idx,Elem->Channel));
		
        DBGPRINT(RT_DEBUG_TRACE, ("APPeerBeaconAtScanAction : Update the SSID %s in Kernel Table, Elem->Channel=%u\n", ie_list->Ssid,Elem->Channel));
        RT_CFG80211_SCANNING_INFORM(pAd, Idx, /*ie_list->Channel*/Elem->Channel, (UCHAR *)Elem->Msg, Elem->MsgLen, RealRssi);
#endif /* RT_CFG80211_P2P_CONCURRENT_DEVICE */
		
	}

	/* sanity check fail, ignored */
__End_Of_APPeerBeaconAtScanAction:
	/*scan beacon in pastive */
#ifdef CONFIG_AP_SUPPORT
IF_DEV_CONFIG_OPMODE_ON_AP(pAd)
{
	if (ie_list->Channel == pAd->ApCfg.AutoChannel_Channel)
	{
		if (AutoChBssSearchWithSSID(pAd, ie_list->Bssid, (PUCHAR)ie_list->Ssid, ie_list->SsidLen, ie_list->Channel) == BSS_NOT_FOUND)
			pAd->pChannelInfo->ApCnt[pAd->ApCfg.current_channel_index]++;

		AutoChBssInsertEntry(pAd, ie_list->Bssid, (CHAR *)ie_list->Ssid, ie_list->SsidLen, ie_list->Channel, ie_list->NewExtChannelOffset, RealRssi);   
	}
}
#endif /* CONFIG_AP_SUPPORT */

LabelErr:
	if (VarIE != NULL)
		os_free_mem(NULL, VarIE);
	if (ie_list != NULL)
		os_free_mem(NULL, ie_list);

}

/*
    ==========================================================================
    Description:
        MLME Cancel the SCAN req state machine procedure
    ==========================================================================
 */
VOID APScanCnclAction(RTMP_ADAPTER *pAd, MLME_QUEUE_ELEM *Elem)
{
	BOOLEAN Cancelled;

	RTMPCancelTimer(&pAd->MlmeAux.APScanTimer, &Cancelled);
	pAd->MlmeAux.Channel = 0;
	ScanNextChannel(pAd, OPMODE_AP);

	return;
}

/*
    ==========================================================================
    Description:
        if ChannelSel is false, 
        	AP scans channels and lists the information of channels.
        if ChannelSel is true,
        	AP scans channels and selects an optimal channel. 

    NOTE:
    ==========================================================================
*/
VOID ApSiteSurvey(
	IN	PRTMP_ADAPTER  		pAd,
	IN	PNDIS_802_11_SSID	pSsid,
	IN	UCHAR				ScanType,
	IN	BOOLEAN				ChannelSel)
{
	MLME_SCAN_REQ_STRUCT    ScanReq;

	if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_BSS_SCAN_IN_PROGRESS))
	{
		/*	
		* Still scanning, ignore this scan.
		*/
		DBGPRINT(RT_DEBUG_TRACE, ("ApSiteSurvey:: Scanning now\n"));
		return;
	}

	AsicDisableSync(pAd);

#ifdef AP_PARTIAL_SCAN_SUPPORT
	if (((pAd->ApCfg.bPartialScanning == TRUE) && (pAd->ApCfg.LastPartialScanChannel == 0)) ||
		(pAd->ApCfg.bPartialScanning == FALSE))
#endif /* AP_PARTIAL_SCAN_SUPPORT */
	{
		BssTableInit(&pAd->ScanTab);
	}
	pAd->Mlme.ApSyncMachine.CurrState = AP_SYNC_IDLE;

	RTMPZeroMemory(ScanReq.Ssid, MAX_LEN_OF_SSID);
	ScanReq.SsidLen = 0;
	if (pSsid)
	{
	    ScanReq.SsidLen = pSsid->SsidLength;
	    NdisMoveMemory(ScanReq.Ssid, pSsid->Ssid, pSsid->SsidLength);
	}
    ScanReq.BssType = BSS_ANY;
    ScanReq.ScanType = ScanType;
    pAd->ApCfg.bAutoChannelAtBootup = ChannelSel;
    
    MlmeEnqueue(pAd, AP_SYNC_STATE_MACHINE, APMT2_MLME_SCAN_REQ, sizeof(MLME_SCAN_REQ_STRUCT), &ScanReq, 0);
    RTMP_MLME_HANDLER(pAd);
}


BOOLEAN ApScanRunning(RTMP_ADAPTER *pAd)
{
	return (pAd->Mlme.ApSyncMachine.CurrState == AP_SCAN_LISTEN) ? TRUE : FALSE;
}

#ifdef AP_PARTIAL_SCAN_SUPPORT
/* 
	==========================================================================
	Description:

	Return:
		scan_channel - channel to scan.
	Note:
		return 0 if no more next channel
	==========================================================================
 */
UCHAR FindPartialScanChannel(
	IN PRTMP_ADAPTER pAd)
{
	UCHAR scan_channel = 0;
	if (pAd->ApCfg.PartialScanChannelNum > 0)
	{
		pAd->ApCfg.PartialScanChannelNum--;
		
		if (pAd->ApCfg.LastPartialScanChannel == 0)
			scan_channel = FirstChannel(pAd);
		else
			scan_channel = NextChannel(pAd, pAd->ApCfg.LastPartialScanChannel);
		
		/* update last scanned channel */
		pAd->ApCfg.LastPartialScanChannel = scan_channel;
		if (scan_channel == 0)
		{
			pAd->ApCfg.bPartialScanning = FALSE;
			pAd->ApCfg.PartialScanChannelNum = DEFLAUT_PARTIAL_SCAN_CH_NUM;
		}
	}
	else
	{
		/* Pending for next partial scan */
		scan_channel = 0;
		pAd->ApCfg.PartialScanChannelNum = DEFLAUT_PARTIAL_SCAN_CH_NUM;
	}
	DBGPRINT(RT_DEBUG_TRACE, ("%s, %u, scan_channel = %u, PartialScanChannelNum = %u, LastPartialScanChannel = %u, bPartialScanning = %u\n",
			__FUNCTION__, __LINE__,
			scan_channel,
			pAd->ApCfg.PartialScanChannelNum,
			pAd->ApCfg.LastPartialScanChannel,
			pAd->ApCfg.bPartialScanning));
	return scan_channel;
}
#endif /* AP_PARTIAL_SCAN_SUPPORT */
#endif /* AP_SCAN_SUPPORT */


/*
	==========================================================================
	Description:
		The sync state machine,
	Parameters:
		Sm - pointer to the state machine
	Note:
		the state machine looks like the following

							AP_SYNC_IDLE
	APMT2_PEER_PROBE_REQ	peer_probe_req_action
	==========================================================================
 */
VOID APSyncStateMachineInit(
	IN RTMP_ADAPTER *pAd,
	IN STATE_MACHINE *Sm,
	OUT STATE_MACHINE_FUNC Trans[])
{
	StateMachineInit(Sm, (STATE_MACHINE_FUNC *)Trans, AP_MAX_SYNC_STATE, AP_MAX_SYNC_MSG, (STATE_MACHINE_FUNC)Drop, AP_SYNC_IDLE, AP_SYNC_MACHINE_BASE);

	StateMachineSetAction(Sm, AP_SYNC_IDLE, APMT2_PEER_PROBE_REQ, (STATE_MACHINE_FUNC)APPeerProbeReqAction);
	StateMachineSetAction(Sm, AP_SYNC_IDLE, APMT2_PEER_BEACON, (STATE_MACHINE_FUNC)APPeerBeaconAction);
#if defined(P2P_SUPPORT) || defined(RT_CFG80211_SUPPORT)
	StateMachineSetAction(Sm, AP_SYNC_IDLE, APMT2_PEER_PROBE_RSP, (STATE_MACHINE_FUNC)APPeerBeaconAtScanAction);
	#endif /* P2P_SUPPORT || RT_CFG80211_SUPPORT */
#ifdef AP_SCAN_SUPPORT
	StateMachineSetAction(Sm, AP_SYNC_IDLE, APMT2_MLME_SCAN_REQ, (STATE_MACHINE_FUNC)APMlmeScanReqAction);
#ifdef CON_WPS
	StateMachineSetAction(Sm, AP_SYNC_IDLE, APMT2_MLME_SCAN_COMPLETE, (STATE_MACHINE_FUNC)APMlmeScanCompleteAction);
#endif /* CON_WPS */

	/* scan_listen state */
	StateMachineSetAction(Sm, AP_SCAN_LISTEN, APMT2_MLME_SCAN_REQ, (STATE_MACHINE_FUNC)APInvalidStateWhenScan);
	StateMachineSetAction(Sm, AP_SCAN_LISTEN, APMT2_PEER_BEACON, (STATE_MACHINE_FUNC)APPeerBeaconAtScanAction);
	StateMachineSetAction(Sm, AP_SCAN_LISTEN, APMT2_PEER_PROBE_RSP, (STATE_MACHINE_FUNC)APPeerBeaconAtScanAction);
	StateMachineSetAction(Sm, AP_SCAN_LISTEN, APMT2_SCAN_TIMEOUT, (STATE_MACHINE_FUNC)APScanTimeoutAction);
	StateMachineSetAction(Sm, AP_SCAN_LISTEN, APMT2_MLME_SCAN_CNCL, (STATE_MACHINE_FUNC)APScanCnclAction);

	RTMPInitTimer(pAd, &pAd->MlmeAux.APScanTimer, GET_TIMER_FUNCTION(APScanTimeout), pAd, FALSE);
#endif /* AP_SCAN_SUPPORT */
}


VOID SupportRate(
	IN PUCHAR SupRate,
	IN UCHAR SupRateLen,
	IN PUCHAR ExtRate,
	IN UCHAR ExtRateLen,
	OUT PUCHAR *ppRates,
	OUT PUCHAR RatesLen,
	OUT PUCHAR pMaxSupportRate)
{
	INT i;

	*pMaxSupportRate = 0;

	if ((SupRateLen <= MAX_LEN_OF_SUPPORTED_RATES) && (SupRateLen > 0))
	{
		NdisMoveMemory(*ppRates, SupRate, SupRateLen);
		*RatesLen = SupRateLen;
	}
	else
	{
		/* HT rate not ready yet. return true temporarily. rt2860c */
		/*DBGPRINT(RT_DEBUG_TRACE, ("PeerAssocReqSanity - wrong IE_SUPP_RATES\n")); */
		*RatesLen = 8;
		*(*ppRates + 0) = 0x82;
		*(*ppRates + 1) = 0x84;
		*(*ppRates + 2) = 0x8b;
		*(*ppRates + 3) = 0x96;
		*(*ppRates + 4) = 0x12;
		*(*ppRates + 5) = 0x24;
		*(*ppRates + 6) = 0x48;
		*(*ppRates + 7) = 0x6c;
		DBGPRINT(RT_DEBUG_TRACE, ("SUPP_RATES., Len=%d\n", SupRateLen));
	}

	if (ExtRateLen + *RatesLen <= MAX_LEN_OF_SUPPORTED_RATES)
	{
		NdisMoveMemory((*ppRates + (ULONG)*RatesLen), ExtRate, ExtRateLen);
		*RatesLen = (*RatesLen) + ExtRateLen;
	}
	else
	{
		NdisMoveMemory((*ppRates + (ULONG)*RatesLen), ExtRate, MAX_LEN_OF_SUPPORTED_RATES - (*RatesLen));
		*RatesLen = MAX_LEN_OF_SUPPORTED_RATES;
	}

	

	for (i = 0; i < *RatesLen; i++)
	{
		if(*pMaxSupportRate < (*(*ppRates + i) & 0x7f))
			*pMaxSupportRate = (*(*ppRates + i) & 0x7f);
	}

	return;
}

#ifdef DOT11_N_SUPPORT
/* Regulatory classes in the USA */

typedef struct
{
	UCHAR	regclass;		/* regulatory class */
	UCHAR	spacing;		/* 0: 20Mhz, 1: 40Mhz */
	UCHAR	channelset[16];	/* max 15 channels, use 0 as terminator */
} REG_CLASS;

REG_CLASS reg_class[] =
{
	{  1, 0, {36, 40, 44, 48, 0}},
	{  2, 0, {52, 56, 60, 64, 0}},
	{  3, 0, {149, 153, 157, 161, 0}},
	{  4, 0, {100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 0}},
	{  5, 0, {165, 0}},
	{ 22, 1, {36, 44, 0}},
	{ 23, 1, {52, 60, 0}},
	{ 24, 1, {100, 108, 116, 124, 132, 0}},
	{ 25, 1, {149, 157, 0}},
	{ 26, 1, {149, 157, 0}},
	{ 27, 1, {40, 48, 0}},
	{ 28, 1, {56, 64, 0}},
	{ 29, 1, {104, 112, 120, 128, 136, 0}},
	{ 30, 1, {153, 161, 0}},
	{ 31, 1, {153, 161, 0}},
	{ 32, 1, {1, 2, 3, 4, 5, 6, 7, 0}},
	{ 33, 1, {5, 6, 7, 8, 9, 10, 11, 0}},
	{ 0,  0, {0}}			/* end */
};


UCHAR get_regulatory_class(RTMP_ADAPTER *pAd)
{
	int i=0;
	UCHAR regclass = 0;

	do
	{
		if (reg_class[i].spacing == pAd->CommonCfg.HtCapability.HtCapInfo.ChannelWidth)
		{
			int j=0;

			do
			{
				if (reg_class[i].channelset[j] == pAd->CommonCfg.Channel)
				{
					regclass = reg_class[i].regclass;
					break;
				}
				j++;
			} while (reg_class[i].channelset[j] != 0);
		}
		i++;
	} while (reg_class[i].regclass != 0);

	ASSERT(regclass);

	return regclass;
}


void build_ext_channel_switch_ie(
	IN PRTMP_ADAPTER pAd,
	IN HT_EXT_CHANNEL_SWITCH_ANNOUNCEMENT_IE *pIE)
{

	pIE->ID = IE_EXT_CHANNEL_SWITCH_ANNOUNCEMENT;
	pIE->Length = 4;
	pIE->ChannelSwitchMode = 1;	/*no further frames */
	pIE->NewRegClass = get_regulatory_class(pAd);
	pIE->NewChannelNum = pAd->CommonCfg.Channel;
    pIE->ChannelSwitchCount = (pAd->Dot11_H.CSPeriod - pAd->Dot11_H.CSCount - 1);
}
#endif /* DOT11_N_SUPPORT */

