rtl8812au/core/rtw_ap.c

/******************************************************************************
 *
 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
 *                                        
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 *
 *
 ******************************************************************************/
#define _RTW_AP_C_

#include <drv_types.h>


#ifdef CONFIG_AP_MODE

extern unsigned char	RTW_WPA_OUI[];
extern unsigned char 	WMM_OUI[];
extern unsigned char	WPS_OUI[];
extern unsigned char	P2P_OUI[];
extern unsigned char	WFD_OUI[];

void init_mlme_ap_info(_adapter *padapter)
{
	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
	struct sta_priv *pstapriv = &padapter->stapriv;	
	struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
	

	_rtw_spinlock_init(&pmlmepriv->bcn_update_lock);	

	//for ACL 
	_rtw_init_queue(&pacl_list->acl_node_q);

	//pmlmeext->bstart_bss = _FALSE;

	start_ap_mode(padapter);
}

void free_mlme_ap_info(_adapter *padapter)
{
	_irqL irqL;
	struct sta_info *psta=NULL;
	struct sta_priv *pstapriv = &padapter->stapriv;
	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);

	//stop_ap_mode(padapter);

	pmlmepriv->update_bcn = _FALSE;
	pmlmeext->bstart_bss = _FALSE;	
	
	rtw_sta_flush(padapter, _TRUE);

	pmlmeinfo->state = _HW_STATE_NOLINK_;

	//free_assoc_sta_resources
	rtw_free_all_stainfo(padapter);

	//free bc/mc sta_info
	psta = rtw_get_bcmc_stainfo(padapter);	
	//_enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL);		
	rtw_free_stainfo(padapter, psta);
	//_exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL);
	

	_rtw_spinlock_free(&pmlmepriv->bcn_update_lock);
	
}

static void update_BCNTIM(_adapter *padapter)
{
	struct sta_priv *pstapriv = &padapter->stapriv;
	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
	WLAN_BSSID_EX *pnetwork_mlmeext = &(pmlmeinfo->network);
	unsigned char *pie = pnetwork_mlmeext->IEs;

/*
	//DBG_871X("%s\n", __FUNCTION__);
	
	//update TIM IE
	//if(pstapriv->tim_bitmap)
*/
	if (_TRUE) {
		u8 *p, *dst_ie, *premainder_ie = NULL, *pbackup_remainder_ie = NULL;
		u16 tim_bitmap_le;
		uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;	
	
		tim_bitmap_le = cpu_to_le16(pstapriv->tim_bitmap);

		p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, _TIM_IE_, &tim_ielen, pnetwork_mlmeext->IELength - _FIXED_IE_LENGTH_);
		if (p != NULL && tim_ielen > 0) {
			tim_ielen += 2;
			
			premainder_ie = p + tim_ielen;

			tim_ie_offset = (sint)(p -pie);
			
			remainder_ielen = pnetwork_mlmeext->IELength - tim_ie_offset - tim_ielen;

			/*append TIM IE from dst_ie offset*/
			dst_ie = p;
		} else {
			tim_ielen = 0;

			/*calculate head_len*/
			offset = _FIXED_IE_LENGTH_;

			/* get ssid_ie len */
			p = rtw_get_ie(pie + _BEACON_IE_OFFSET_, _SSID_IE_, &tmp_len, (pnetwork_mlmeext->IELength - _BEACON_IE_OFFSET_));
			if (p != NULL)
				offset += tmp_len+2;

			/*get supported rates len*/
			p = rtw_get_ie(pie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &tmp_len, (pnetwork_mlmeext->IELength - _BEACON_IE_OFFSET_));	
			if (p !=  NULL) 
			{			
				offset += tmp_len+2;
			}

			/*DS Parameter Set IE, len=3*/
			offset += 3;

			premainder_ie = pie + offset;

			remainder_ielen = pnetwork_mlmeext->IELength - offset - tim_ielen;	

			/*append TIM IE from offset*/
			dst_ie = pie + offset;
			
		}
		
		if (remainder_ielen > 0) {
			pbackup_remainder_ie = rtw_malloc(remainder_ielen);
			if(pbackup_remainder_ie && premainder_ie)
				_rtw_memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
		}		
		
		*dst_ie++=_TIM_IE_;

		if ((pstapriv->tim_bitmap&0xff00) && (pstapriv->tim_bitmap&0x00fe))			
			tim_ielen = 5;
		else
			tim_ielen = 4;

		*dst_ie++ = tim_ielen;
		
		*dst_ie++ = 0;/*DTIM count*/
		*dst_ie++ = 1;/*DTIM period*/
		
		if (pstapriv->tim_bitmap & BIT(0))/*for bc/mc frames*/
			*dst_ie++ = BIT(0);/*bitmap ctrl */
		else
			*dst_ie++ = 0;

		if (tim_ielen == 4) {
			u8 pvb = 0;
			
			if (pstapriv->tim_bitmap & 0x00fe)
				pvb = (u8)tim_bitmap_le;
			else if (pstapriv->tim_bitmap & 0xff00)			
				pvb = (u8)(tim_bitmap_le >> 8);
			else
				pvb = (u8)tim_bitmap_le;

			*dst_ie++ = pvb;
			
		} else if (tim_ielen == 5) {
			_rtw_memcpy(dst_ie, &tim_bitmap_le, 2);
			dst_ie += 2;				
		}	
		
		/*copy remainder IE*/
		if (pbackup_remainder_ie) {
			_rtw_memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);

			rtw_mfree(pbackup_remainder_ie, remainder_ielen);
		}	

		offset =  (uint)(dst_ie - pie);
		pnetwork_mlmeext->IELength = offset + remainder_ielen;
	
	}
}

void rtw_add_bcn_ie(_adapter *padapter, WLAN_BSSID_EX *pnetwork, u8 index, u8 *data, u8 len)
{
	PNDIS_802_11_VARIABLE_IEs	pIE;
	u8	bmatch = _FALSE;
	u8	*pie = pnetwork->IEs;
	u8	*p=NULL, *dst_ie=NULL, *premainder_ie=NULL, *pbackup_remainder_ie=NULL;
	u32	i, offset, ielen, ie_offset, remainder_ielen = 0;

	for (i = sizeof(NDIS_802_11_FIXED_IEs); i < pnetwork->IELength;)
	{
		pIE = (PNDIS_802_11_VARIABLE_IEs)(pnetwork->IEs + i);

		if (pIE->ElementID > index)
		{
			break;
		}
		else if(pIE->ElementID == index) // already exist the same IE
		{
			p = (u8 *)pIE;
			ielen = pIE->Length;
			bmatch = _TRUE;
			break;
		}

		p = (u8 *)pIE;
		ielen = pIE->Length;
		i += (pIE->Length + 2);
	}

	if (p != NULL && ielen>0)
	{
		ielen += 2;
		
		premainder_ie = p+ielen;

		ie_offset = (sint)(p -pie);
		
		remainder_ielen = pnetwork->IELength - ie_offset - ielen;

		if(bmatch)
			dst_ie = p;
		else
			dst_ie = (p+ielen);
	}

	if(dst_ie == NULL)
		return;

	if(remainder_ielen>0)
	{
		pbackup_remainder_ie = rtw_malloc(remainder_ielen);
		if(pbackup_remainder_ie && premainder_ie)
			_rtw_memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
	}

	*dst_ie++=index;
	*dst_ie++=len;

	_rtw_memcpy(dst_ie, data, len);
	dst_ie+=len;

	//copy remainder IE
	if(pbackup_remainder_ie)
	{
		_rtw_memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);

		rtw_mfree(pbackup_remainder_ie, remainder_ielen);
	}

	offset =  (uint)(dst_ie - pie);
	pnetwork->IELength = offset + remainder_ielen;
}

void rtw_remove_bcn_ie(_adapter *padapter, WLAN_BSSID_EX *pnetwork, u8 index)
{
	u8 *p, *dst_ie=NULL, *premainder_ie=NULL, *pbackup_remainder_ie=NULL;
	uint offset, ielen, ie_offset, remainder_ielen = 0;
	u8	*pie = pnetwork->IEs;

	p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, index, &ielen, pnetwork->IELength - _FIXED_IE_LENGTH_);
	if (p != NULL && ielen>0)
	{
		ielen += 2;
		
		premainder_ie = p+ielen;

		ie_offset = (sint)(p -pie);
		
		remainder_ielen = pnetwork->IELength - ie_offset - ielen;

		dst_ie = p;
	}
	else {
		return;
	}

	if(remainder_ielen>0)
	{
		pbackup_remainder_ie = rtw_malloc(remainder_ielen);
		if(pbackup_remainder_ie && premainder_ie)
			_rtw_memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
	}

	//copy remainder IE
	if(pbackup_remainder_ie)
	{
		_rtw_memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);

		rtw_mfree(pbackup_remainder_ie, remainder_ielen);
	}

	offset =  (uint)(dst_ie - pie);
	pnetwork->IELength = offset + remainder_ielen;
}


u8 chk_sta_is_alive(struct sta_info *psta);
u8 chk_sta_is_alive(struct sta_info *psta)
{
	u8 ret = _FALSE;
	#ifdef DBG_EXPIRATION_CHK
	DBG_871X("sta:"MAC_FMT", rssi:%d, rx:"STA_PKTS_FMT", expire_to:%u, %s%ssq_len:%u\n"
		, MAC_ARG(psta->hwaddr)
		, psta->rssi_stat.UndecoratedSmoothedPWDB
		//, STA_RX_PKTS_ARG(psta)
		, STA_RX_PKTS_DIFF_ARG(psta)
		, psta->expire_to
		, psta->state&WIFI_SLEEP_STATE?"PS, ":""
		, psta->state&WIFI_STA_ALIVE_CHK_STATE?"SAC, ":""
		, psta->sleepq_len
	);
	#endif

	//if(sta_last_rx_pkts(psta) == sta_rx_pkts(psta))
	if((psta->sta_stats.last_rx_data_pkts + psta->sta_stats.last_rx_ctrl_pkts) == (psta->sta_stats.rx_data_pkts + psta->sta_stats.rx_ctrl_pkts))
	{
		#if 0
		if(psta->state&WIFI_SLEEP_STATE)
			ret = _TRUE;
		#endif
	}
	else
	{
		ret = _TRUE;
	}

	sta_update_last_rx_pkts(psta);

	return ret;
}

void	expire_timeout_chk(_adapter *padapter)
{
	_irqL irqL;
	_list	*phead, *plist;
	u8 updated = _FALSE;
	struct sta_info *psta=NULL;	
	struct sta_priv *pstapriv = &padapter->stapriv;
	u8 chk_alive_num = 0;
	char chk_alive_list[NUM_STA];
	int i;


	_enter_critical_bh(&pstapriv->auth_list_lock, &irqL);
	
	phead = &pstapriv->auth_list;
	plist = get_next(phead);
	
	//check auth_queue
	#ifdef DBG_EXPIRATION_CHK
	if (rtw_end_of_queue_search(phead, plist) == _FALSE) {
		DBG_871X(FUNC_NDEV_FMT" auth_list, cnt:%u\n"
			, FUNC_NDEV_ARG(padapter->pnetdev), pstapriv->auth_list_cnt);
	}
	#endif
	while ((rtw_end_of_queue_search(phead, plist)) == _FALSE)	
	{
		psta = LIST_CONTAINOR(plist, struct sta_info, auth_list);

		plist = get_next(plist);


#ifdef CONFIG_ATMEL_RC_PATCH
		if (_TRUE == _rtw_memcmp((void *)(pstapriv->atmel_rc_pattern), (void *)(psta->hwaddr), ETH_ALEN))
			continue;
		if (psta->flag_atmel_rc)
			continue;
#endif
		if(psta->expire_to>0)
		{
			psta->expire_to--;
			if (psta->expire_to == 0)
			{
				rtw_list_delete(&psta->auth_list);
				pstapriv->auth_list_cnt--;
				
				DBG_871X("auth expire %02X%02X%02X%02X%02X%02X\n",
					psta->hwaddr[0],psta->hwaddr[1],psta->hwaddr[2],psta->hwaddr[3],psta->hwaddr[4],psta->hwaddr[5]);
				
				_exit_critical_bh(&pstapriv->auth_list_lock, &irqL);
				
				//_enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL);	
				rtw_free_stainfo(padapter, psta);
				//_exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL);	
				
				_enter_critical_bh(&pstapriv->auth_list_lock, &irqL);
			}	
		}	
		
	}

	_exit_critical_bh(&pstapriv->auth_list_lock, &irqL);
	psta = NULL;
	

	_enter_critical_bh(&pstapriv->asoc_list_lock, &irqL);
	
	phead = &pstapriv->asoc_list;
	plist = get_next(phead);

	//check asoc_queue
	#ifdef DBG_EXPIRATION_CHK
	if (rtw_end_of_queue_search(phead, plist) == _FALSE) {
		DBG_871X(FUNC_NDEV_FMT" asoc_list, cnt:%u\n"
			, FUNC_NDEV_ARG(padapter->pnetdev), pstapriv->asoc_list_cnt);
	}
	#endif
	while ((rtw_end_of_queue_search(phead, plist)) == _FALSE)
	{
		psta = LIST_CONTAINOR(plist, struct sta_info, asoc_list);
		plist = get_next(plist);
#ifdef CONFIG_ATMEL_RC_PATCH
		DBG_871X("%s:%d  psta=%p, %02x,%02x||%02x,%02x  \n\n", __func__,  __LINE__,
			psta,pstapriv->atmel_rc_pattern[0], pstapriv->atmel_rc_pattern[5], psta->hwaddr[0], psta->hwaddr[5]);
		if (_TRUE == _rtw_memcmp((void *)pstapriv->atmel_rc_pattern, (void *)(psta->hwaddr), ETH_ALEN))
			continue;		
		if (psta->flag_atmel_rc)
			continue;
		DBG_871X("%s: debug line:%d \n", __func__, __LINE__);
#endif
#ifdef CONFIG_AUTO_AP_MODE
		if(psta->isrc)
			continue;
#endif
		if (chk_sta_is_alive(psta) || !psta->expire_to) {
			psta->expire_to = pstapriv->expire_to;
			psta->keep_alive_trycnt = 0;
			#ifdef CONFIG_TX_MCAST2UNI
			psta->under_exist_checking = 0;
			#endif	// CONFIG_TX_MCAST2UNI
		} else {
			psta->expire_to--;
		}

#ifndef CONFIG_ACTIVE_KEEP_ALIVE_CHECK
#ifdef CONFIG_80211N_HT
#ifdef CONFIG_TX_MCAST2UNI
		if ( (psta->flags & WLAN_STA_HT) && (psta->htpriv.agg_enable_bitmap || psta->under_exist_checking) ) {
			// check sta by delba(addba) for 11n STA 
			// ToDo: use CCX report to check for all STAs
			//DBG_871X("asoc check by DELBA/ADDBA! (pstapriv->expire_to=%d s)(psta->expire_to=%d s), [%02x, %d]\n", pstapriv->expire_to*2, psta->expire_to*2, psta->htpriv.agg_enable_bitmap, psta->under_exist_checking);
			
				if ( psta->expire_to <= (pstapriv->expire_to - 50 ) ) {
				DBG_871X("asoc expire by DELBA/ADDBA! (%d s)\n", (pstapriv->expire_to-psta->expire_to)*2);
				psta->under_exist_checking = 0;
				psta->expire_to = 0;
			} else if ( psta->expire_to <= (pstapriv->expire_to - 3) && (psta->under_exist_checking==0)) {
				DBG_871X("asoc check by DELBA/ADDBA! (%d s)\n", (pstapriv->expire_to-psta->expire_to)*2);
				psta->under_exist_checking = 1;
				//tear down TX AMPDU
				send_delba(padapter, 1, psta->hwaddr);// // originator
				psta->htpriv.agg_enable_bitmap = 0x0;//reset
				psta->htpriv.candidate_tid_bitmap = 0x0;//reset
			}
		}
#endif //CONFIG_TX_MCAST2UNI
#endif //CONFIG_80211N_HT
#endif //CONFIG_ACTIVE_KEEP_ALIVE_CHECK

		if (psta->expire_to <= 0)
		{
			struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;

			if (padapter->registrypriv.wifi_spec == 1)
			{
				psta->expire_to = pstapriv->expire_to;
				continue;
			}

#ifndef CONFIG_ACTIVE_KEEP_ALIVE_CHECK
#ifdef CONFIG_80211N_HT

#define KEEP_ALIVE_TRYCNT (3)

			if(psta->keep_alive_trycnt > 0 && psta->keep_alive_trycnt <= KEEP_ALIVE_TRYCNT)
			{				
				if(psta->state & WIFI_STA_ALIVE_CHK_STATE)
					psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
				else
					psta->keep_alive_trycnt = 0;
				
			}
			else if((psta->keep_alive_trycnt > KEEP_ALIVE_TRYCNT) && !(psta->state & WIFI_STA_ALIVE_CHK_STATE))
			{
				psta->keep_alive_trycnt = 0;
			}			
			if((psta->htpriv.ht_option==_TRUE) && (psta->htpriv.ampdu_enable==_TRUE)) 
			{
				uint priority = 1; //test using BK
				u8 issued=0;				
		
				//issued = (psta->htpriv.agg_enable_bitmap>>priority)&0x1;
				issued |= (psta->htpriv.candidate_tid_bitmap>>priority)&0x1;

				if(0==issued)
				{
					if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE))
					{
						psta->htpriv.candidate_tid_bitmap |= BIT((u8)priority);

						if (psta->state & WIFI_SLEEP_STATE) 
							psta->expire_to = 2; // 2x2=4 sec
						else
							psta->expire_to = 1; // 2 sec
					
						psta->state |= WIFI_STA_ALIVE_CHK_STATE;
					
						//add_ba_hdl(padapter, (u8*)paddbareq_parm);

						DBG_871X("issue addba_req to check if sta alive, keep_alive_trycnt=%d\n", psta->keep_alive_trycnt);

						issue_addba_req(padapter, psta->hwaddr, (u8)priority);
		
						_set_timer(&psta->addba_retry_timer, ADDBA_TO);
						
						psta->keep_alive_trycnt++;						

						continue;
					}			
				}					
			}
			if(psta->keep_alive_trycnt > 0 && psta->state & WIFI_STA_ALIVE_CHK_STATE)
			{
				psta->keep_alive_trycnt = 0;
				psta->state ^= WIFI_STA_ALIVE_CHK_STATE;
				DBG_871X("change to another methods to check alive if staion is at ps mode\n");
			}	
			
#endif //CONFIG_80211N_HT
#endif //CONFIG_ACTIVE_KEEP_ALIVE_CHECK	
			if (psta->state & WIFI_SLEEP_STATE) {
				if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) {
					//to check if alive by another methods if staion is at ps mode.					
					psta->expire_to = pstapriv->expire_to;
					psta->state |= WIFI_STA_ALIVE_CHK_STATE;

					//DBG_871X("alive chk, sta:" MAC_FMT " is at ps mode!\n", MAC_ARG(psta->hwaddr));

					//to update bcn with tim_bitmap for this station
					pstapriv->tim_bitmap |= BIT(psta->aid);
					update_beacon(padapter, _TIM_IE_, NULL, _TRUE);

					if(!pmlmeext->active_keep_alive_check)
						continue;
				}
			}
			#ifdef CONFIG_ACTIVE_KEEP_ALIVE_CHECK
			if (pmlmeext->active_keep_alive_check) {
				int stainfo_offset;

				stainfo_offset = rtw_stainfo_offset(pstapriv, psta);
				if (stainfo_offset_valid(stainfo_offset)) {
					chk_alive_list[chk_alive_num++] = stainfo_offset;
				}

				continue;
			}
			#endif /* CONFIG_ACTIVE_KEEP_ALIVE_CHECK */
			rtw_list_delete(&psta->asoc_list);
			pstapriv->asoc_list_cnt--;
			DBG_871X("asoc expire "MAC_FMT", state=0x%x\n", MAC_ARG(psta->hwaddr), psta->state);
			updated = ap_free_sta(padapter, psta, _FALSE, WLAN_REASON_DEAUTH_LEAVING, _TRUE);
		}	
		else
		{
			/* TODO: Aging mechanism to digest frames in sleep_q to avoid running out of xmitframe */
			if (psta->sleepq_len > (NR_XMITFRAME/pstapriv->asoc_list_cnt)
				&& padapter->xmitpriv.free_xmitframe_cnt < ((NR_XMITFRAME/pstapriv->asoc_list_cnt)/2)
			){
				DBG_871X("%s sta:"MAC_FMT", sleepq_len:%u, free_xmitframe_cnt:%u, asoc_list_cnt:%u, clear sleep_q\n", __func__
					, MAC_ARG(psta->hwaddr)
					, psta->sleepq_len, padapter->xmitpriv.free_xmitframe_cnt, pstapriv->asoc_list_cnt);
				wakeup_sta_to_xmit(padapter, psta);
			}
		}
	}

	_exit_critical_bh(&pstapriv->asoc_list_lock, &irqL);

#ifdef CONFIG_ACTIVE_KEEP_ALIVE_CHECK
if (chk_alive_num) {

	u8 backup_oper_channel=0;
	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
	/* switch to correct channel of current network  before issue keep-alive frames */
	if (rtw_get_oper_ch(padapter) != pmlmeext->cur_channel) {
		backup_oper_channel = rtw_get_oper_ch(padapter);
		SelectChannel(padapter, pmlmeext->cur_channel);
	}

	/* issue null data to check sta alive*/
	for (i = 0; i < chk_alive_num; i++) {
		int ret = _FAIL;

		psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]);
#ifdef CONFIG_ATMEL_RC_PATCH
		if (_TRUE == _rtw_memcmp(  pstapriv->atmel_rc_pattern, psta->hwaddr, ETH_ALEN))
			continue;
		if (psta->flag_atmel_rc)
			continue;
#endif
		if(!(psta->state &_FW_LINKED))
			continue;		
	
		if (psta->state & WIFI_SLEEP_STATE)
			ret = issue_nulldata(padapter, psta->hwaddr, 0, 1, 50);
		else
			ret = issue_nulldata(padapter, psta->hwaddr, 0, 3, 50);

		psta->keep_alive_trycnt++;
		if (ret == _SUCCESS)
		{
			DBG_871X("asoc check, sta(" MAC_FMT ") is alive\n", MAC_ARG(psta->hwaddr));
			psta->expire_to = pstapriv->expire_to;
			psta->keep_alive_trycnt = 0;
			continue;
		}
		else if (psta->keep_alive_trycnt <= 3)
		{
			DBG_871X("ack check for asoc expire, keep_alive_trycnt=%d\n", psta->keep_alive_trycnt);
			psta->expire_to = 1;
			continue;
		}

		psta->keep_alive_trycnt = 0;
		DBG_871X("asoc expire "MAC_FMT", state=0x%x\n", MAC_ARG(psta->hwaddr), psta->state);
		_enter_critical_bh(&pstapriv->asoc_list_lock, &irqL);
		if (rtw_is_list_empty(&psta->asoc_list)==_FALSE) {
			rtw_list_delete(&psta->asoc_list);
			pstapriv->asoc_list_cnt--;
			updated = ap_free_sta(padapter, psta, _FALSE, WLAN_REASON_DEAUTH_LEAVING, _TRUE);
		}
		_exit_critical_bh(&pstapriv->asoc_list_lock, &irqL);

	}

	if (backup_oper_channel>0) /* back to the original operation channel */
		SelectChannel(padapter, backup_oper_channel);
}
#endif /* CONFIG_ACTIVE_KEEP_ALIVE_CHECK */

	associated_clients_update(padapter, updated, STA_INFO_UPDATE_ALL);
}

void add_RATid(_adapter *padapter, struct sta_info *psta, u8 rssi_level)
{	
	int i;
	u8 rf_type;
	unsigned char sta_band = 0, shortGIrate = _FALSE;
	u64 tx_ra_bitmap = 0;
	struct ht_priv	*psta_ht = NULL;
	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
	WLAN_BSSID_EX *pcur_network = (WLAN_BSSID_EX *)&pmlmepriv->cur_network.network;

#ifdef CONFIG_80211N_HT
	if(psta)
		psta_ht = &psta->htpriv;
	else
		return;
#endif //CONFIG_80211N_HT

	if(!(psta->state & _FW_LINKED))
		return;

#if 0//gtest
	if(get_rf_mimo_mode(padapter) == RTL8712_RF_2T2R)
	{
		//is this a 2r STA?
		if((pstat->tx_ra_bitmap & 0x0ff00000) != 0 && !(priv->pshare->has_2r_sta & BIT(pstat->aid)))
		{
			priv->pshare->has_2r_sta |= BIT(pstat->aid);
			if(rtw_read16(padapter, 0x102501f6) != 0xffff)
			{
				rtw_write16(padapter, 0x102501f6, 0xffff);
				reset_1r_sta_RA(priv, 0xffff);
				Switch_1SS_Antenna(priv, 3);
			}
		}
		else// bg or 1R STA? 
		{ 
			if((priv->pmib->dot11BssType.net_work_type & WIRELESS_11N) && pstat->ht_cap_len && priv->pshare->has_2r_sta == 0)
			{
				if(rtw_read16(padapter, 0x102501f6) != 0x7777)
				{ // MCS7 SGI
					rtw_write16(padapter, 0x102501f6,0x7777);
					reset_1r_sta_RA(priv, 0x7777);
					Switch_1SS_Antenna(priv, 2);
				}
			}
		}
		
	}

	if ((pstat->rssi_level < 1) || (pstat->rssi_level > 3)) 
	{
		if (pstat->rssi >= priv->pshare->rf_ft_var.raGoDownUpper)
			pstat->rssi_level = 1;
		else if ((pstat->rssi >= priv->pshare->rf_ft_var.raGoDown20MLower) ||
			((priv->pshare->is_40m_bw) && (pstat->ht_cap_len) &&
			(pstat->rssi >= priv->pshare->rf_ft_var.raGoDown40MLower) &&
			(pstat->ht_cap_buf.ht_cap_info & cpu_to_le16(_HTCAP_SUPPORT_CH_WDTH_))))
			pstat->rssi_level = 2;
		else
			pstat->rssi_level = 3;
	}

	// rate adaptive by rssi
	if ((priv->pmib->dot11BssType.net_work_type & WIRELESS_11N) && pstat->ht_cap_len)
	{
		if ((get_rf_mimo_mode(priv) == MIMO_1T2R) || (get_rf_mimo_mode(priv) == MIMO_1T1R))
		{
			switch (pstat->rssi_level) {
				case 1:
					pstat->tx_ra_bitmap &= 0x100f0000;
					break;
				case 2:
					pstat->tx_ra_bitmap &= 0x100ff000;
					break;
				case 3:
					if (priv->pshare->is_40m_bw)
						pstat->tx_ra_bitmap &= 0x100ff005;
					else
						pstat->tx_ra_bitmap &= 0x100ff001;

					break;
			}
		}
		else 
		{
			switch (pstat->rssi_level) {
				case 1:
					pstat->tx_ra_bitmap &= 0x1f0f0000;
					break;
				case 2:
					pstat->tx_ra_bitmap &= 0x1f0ff000;
					break;
				case 3:
					if (priv->pshare->is_40m_bw)
						pstat->tx_ra_bitmap &= 0x000ff005;
					else
						pstat->tx_ra_bitmap &= 0x000ff001;

					break;
			}

			// Don't need to mask high rates due to new rate adaptive parameters
			//if (pstat->is_broadcom_sta)		// use MCS12 as the highest rate vs. Broadcom sta
			//	pstat->tx_ra_bitmap &= 0x81ffffff;

			// NIC driver will report not supporting MCS15 and MCS14 in asoc req
			//if (pstat->is_rtl8190_sta && !pstat->is_2t_mimo_sta)
			//	pstat->tx_ra_bitmap &= 0x83ffffff;		// if Realtek 1x2 sta, don't use MCS15 and MCS14
		}
	}
	else if ((priv->pmib->dot11BssType.net_work_type & WIRELESS_11G) && isErpSta(pstat))
	{
		switch (pstat->rssi_level) {
			case 1:
				pstat->tx_ra_bitmap &= 0x00000f00;
				break;
			case 2:
				pstat->tx_ra_bitmap &= 0x00000ff0;
				break;
			case 3:
				pstat->tx_ra_bitmap &= 0x00000ff5;
				break;
		}
	}
	else 
	{
		pstat->tx_ra_bitmap &= 0x0000000d;
	}

	// disable tx short GI when station cannot rx MCS15(AP is 2T2R)
	// disable tx short GI when station cannot rx MCS7 (AP is 1T2R or 1T1R)
	// if there is only 1r STA and we are 2T2R, DO NOT mask SGI rate
	if ((!(pstat->tx_ra_bitmap & 0x8000000) && (priv->pshare->has_2r_sta > 0) && (get_rf_mimo_mode(padapter) == RTL8712_RF_2T2R)) ||
		 (!(pstat->tx_ra_bitmap & 0x80000) && (get_rf_mimo_mode(padapter) != RTL8712_RF_2T2R)))
	{
		pstat->tx_ra_bitmap &= ~BIT(28);	
	}
#endif

	rtw_hal_update_sta_rate_mask(padapter, psta);
	tx_ra_bitmap = psta->ra_mask;

	shortGIrate = query_ra_short_GI(psta);

	if ( pcur_network->Configuration.DSConfig > 14 ) {
		
		if (tx_ra_bitmap & 0xffff000)
			sta_band |= WIRELESS_11_5N ;

		if (tx_ra_bitmap & 0xff0)
			sta_band |= WIRELESS_11A;

		// 5G band
		#ifdef CONFIG_80211AC_VHT
		if (psta->vhtpriv.vht_option)  {
			sta_band = WIRELESS_11_5AC;
		}		
		#endif
		
	} else {
		if (tx_ra_bitmap & 0xffff000)
			sta_band |= WIRELESS_11_24N;

		if (tx_ra_bitmap & 0xff0)
			sta_band |= WIRELESS_11G;

		if (tx_ra_bitmap & 0x0f)
			sta_band |= WIRELESS_11B;
	}

	psta->wireless_mode = sta_band;
	psta->raid = rtw_hal_networktype_to_raid(padapter, psta);
	
	if (psta->aid < NUM_STA)
	{
		u8	arg[4] = {0};

		arg[0] = psta->mac_id;
		arg[1] = psta->raid;
		arg[2] = shortGIrate;
		arg[3] = psta->init_rate;

		DBG_871X("%s=> mac_id:%d , raid:%d , shortGIrate=%d, tx_ra_bitmap:0x%016llx, networkType:0x%02x\n", 
			__FUNCTION__, psta->mac_id, psta->raid, shortGIrate, tx_ra_bitmap, psta->wireless_mode);
			
		rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, rssi_level);
	}
	else 
	{
		DBG_871X("station aid %d exceed the max number\n", psta->aid);
	}

}

void update_bmc_sta(_adapter *padapter)
{
	_irqL	irqL;
	unsigned char	network_type;
	int supportRateNum = 0;
	u64 tx_ra_bitmap = 0;
	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);	
	WLAN_BSSID_EX *pcur_network = (WLAN_BSSID_EX *)&pmlmepriv->cur_network.network;	
	struct sta_info *psta = rtw_get_bcmc_stainfo(padapter);

	if(psta)
	{
		psta->aid = 0;//default set to 0

		pmlmeinfo->FW_sta_info[psta->mac_id].psta = psta;

		psta->qos_option = 0;
#ifdef CONFIG_80211N_HT	
		psta->htpriv.ht_option = _FALSE;
#endif //CONFIG_80211N_HT

		psta->ieee8021x_blocked = 0;

		_rtw_memset((void*)&psta->sta_stats, 0, sizeof(struct stainfo_stats));

		//psta->dot118021XPrivacy = _NO_PRIVACY_;//!!! remove it, because it has been set before this.

		//prepare for add_RATid		
		supportRateNum = rtw_get_rateset_len((u8*)&pcur_network->SupportedRates);
		network_type = rtw_check_network_type((u8*)&pcur_network->SupportedRates, supportRateNum, pcur_network->Configuration.DSConfig);
		if (IsSupportedTxCCK(network_type)) {
			network_type = WIRELESS_11B;
		}
		else if (network_type == WIRELESS_INVALID) { // error handling
			if ( pcur_network->Configuration.DSConfig > 14 )
				network_type = WIRELESS_11A;
			else
				network_type = WIRELESS_11B;
		}
		update_sta_basic_rate(psta, network_type);
		psta->wireless_mode = network_type;

		rtw_hal_update_sta_rate_mask(padapter, psta);
		tx_ra_bitmap = psta->ra_mask;

		psta->raid = rtw_hal_networktype_to_raid(padapter,psta);

		//ap mode
		rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, _TRUE);

		//if(pHalData->fw_ractrl == _TRUE)
		{
			u8	arg[4] = {0};

			arg[0] = psta->mac_id;
			arg[1] = psta->raid;
			arg[2] = 0;
			arg[3] = psta->init_rate;

			DBG_871X("%s=> mac_id:%d , raid:%d , bitmap=0x%016llx\n", 
				__FUNCTION__ , psta->mac_id, psta->raid , tx_ra_bitmap);

			rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, 0);
		}

		rtw_sta_media_status_rpt(padapter, psta, 1);

		_enter_critical_bh(&psta->lock, &irqL);
		psta->state = _FW_LINKED;
		_exit_critical_bh(&psta->lock, &irqL);

	}
	else
	{
		DBG_871X("add_RATid_bmc_sta error!\n");
	}
		
}

//notes:
//AID: 1~MAX for sta and 0 for bc/mc in ap/adhoc mode 
//MAC_ID = AID+1 for sta in ap/adhoc mode 
//MAC_ID = 1 for bc/mc for sta/ap/adhoc
//MAC_ID = 0 for bssid for sta/ap/adhoc
//CAM_ID = //0~3 for default key, cmd_id=macid + 3, macid=aid+1;

void update_sta_info_apmode(_adapter *padapter, struct sta_info *psta)
{	
	_irqL	irqL;
	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
	struct security_priv *psecuritypriv = &padapter->securitypriv;
	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
#ifdef CONFIG_80211N_HT
	struct ht_priv	*phtpriv_ap = &pmlmepriv->htpriv;
	struct ht_priv	*phtpriv_sta = &psta->htpriv;
#endif //CONFIG_80211N_HT
	u8	cur_ldpc_cap=0, cur_stbc_cap=0, cur_beamform_cap=0;
	//set intf_tag to if1
	//psta->intf_tag = 0;

        DBG_871X("%s\n",__FUNCTION__);

	//psta->mac_id = psta->aid+4;
	//psta->mac_id = psta->aid+1;//alloc macid when call rtw_alloc_stainfo(),
		                                       //release macid when call rtw_free_stainfo()

	//ap mode
	rtw_hal_set_odm_var(padapter,HAL_ODM_STA_INFO,psta,_TRUE);
	
	if(psecuritypriv->dot11AuthAlgrthm==dot11AuthAlgrthm_8021X)
		psta->ieee8021x_blocked = _TRUE;
	else
		psta->ieee8021x_blocked = _FALSE;
	

	//update sta's cap
	
	//ERP
	VCS_update(padapter, psta);
#ifdef CONFIG_80211N_HT	
	//HT related cap
	if(phtpriv_sta->ht_option)
	{
		//check if sta supports rx ampdu
		phtpriv_sta->ampdu_enable = phtpriv_ap->ampdu_enable;

		phtpriv_sta->rx_ampdu_min_spacing = (phtpriv_sta->ht_cap.ampdu_params_info&IEEE80211_HT_CAP_AMPDU_DENSITY)>>2;
	
		// bwmode
		if((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH))
		{			
			psta->bw_mode = CHANNEL_WIDTH_40;
		}
		else
		{			
			psta->bw_mode = CHANNEL_WIDTH_20;
		}

		if (psta->ht_40mhz_intolerant)
			psta->bw_mode = CHANNEL_WIDTH_20;
		
		if(pmlmeext->cur_bwmode < psta->bw_mode)
		{
			psta->bw_mode = pmlmeext->cur_bwmode;
		}

		phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;


		//check if sta support s Short GI 20M 
		if((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SGI_20))
		{
			phtpriv_sta->sgi_20m = _TRUE;
		}
		
		//check if sta support s Short GI 40M 
		if((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SGI_40))
		{
			if(psta->bw_mode == CHANNEL_WIDTH_40) //according to psta->bw_mode
				phtpriv_sta->sgi_40m = _TRUE;
			else
				phtpriv_sta->sgi_40m = _FALSE;
		}

		psta->qos_option = _TRUE;

		// B0 Config LDPC Coding Capability
		if (TEST_FLAG(phtpriv_ap->ldpc_cap, LDPC_HT_ENABLE_TX) && 
			GET_HT_CAP_ELE_LDPC_CAP((u8 *)(&phtpriv_sta->ht_cap)))
		{
			SET_FLAG(cur_ldpc_cap, (LDPC_HT_ENABLE_TX | LDPC_HT_CAP_TX));
			DBG_871X("Enable HT Tx LDPC for STA(%d)\n",psta->aid);
		}

		// B7 B8 B9 Config STBC setting
		if (TEST_FLAG(phtpriv_ap->stbc_cap, STBC_HT_ENABLE_TX) &&
			GET_HT_CAP_ELE_RX_STBC((u8 *)(&phtpriv_sta->ht_cap)))
		{
			SET_FLAG(cur_stbc_cap, (STBC_HT_ENABLE_TX | STBC_HT_CAP_TX) );
			DBG_871X("Enable HT Tx STBC for STA(%d)\n",psta->aid);
		}

#ifdef CONFIG_BEAMFORMING
		/*Config Tx beamforming setting*/
		if (TEST_FLAG(phtpriv_ap->beamform_cap, BEAMFORMING_HT_BEAMFORMEE_ENABLE) && 
			GET_HT_CAP_TXBF_EXPLICIT_COMP_STEERING_CAP((u8 *)(&phtpriv_sta->ht_cap)))
		{
			SET_FLAG(cur_beamform_cap, BEAMFORMING_HT_BEAMFORMER_ENABLE);
			/*Shift to BEAMFORMING_HT_BEAMFORMEE_CHNL_EST_CAP*/
			SET_FLAG(cur_beamform_cap, GET_HT_CAP_TXBF_CHNL_ESTIMATION_NUM_ANTENNAS((u8 *)(&phtpriv_sta->ht_cap)) << 6);
		}

		if (TEST_FLAG(phtpriv_ap->beamform_cap, BEAMFORMING_HT_BEAMFORMER_ENABLE) &&
			GET_HT_CAP_TXBF_EXPLICIT_COMP_FEEDBACK_CAP((u8 *)(&phtpriv_sta->ht_cap)))
		{
			SET_FLAG(cur_beamform_cap, BEAMFORMING_HT_BEAMFORMEE_ENABLE);
			/*Shift to BEAMFORMING_HT_BEAMFORMER_STEER_NUM*/
			SET_FLAG(cur_beamform_cap, GET_HT_CAP_TXBF_COMP_STEERING_NUM_ANTENNAS((u8 *)(&phtpriv_sta->ht_cap)) << 4);
		}
		if (cur_beamform_cap) {
			DBG_871X("Client STA(%d) HT Beamforming Cap = 0x%02X\n", psta->aid, cur_beamform_cap);
		}
#endif /*CONFIG_BEAMFORMING*/
	}
	else
	{
		phtpriv_sta->ampdu_enable = _FALSE;
		
		phtpriv_sta->sgi_20m = _FALSE;
		phtpriv_sta->sgi_40m = _FALSE;
		psta->bw_mode = CHANNEL_WIDTH_20;
		phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
	}

	phtpriv_sta->ldpc_cap = cur_ldpc_cap;
	phtpriv_sta->stbc_cap = cur_stbc_cap;
	phtpriv_sta->beamform_cap = cur_beamform_cap;

	//Rx AMPDU
	send_delba(padapter, 0, psta->hwaddr);// recipient
	
	//TX AMPDU
	send_delba(padapter, 1, psta->hwaddr);// // originator
	phtpriv_sta->agg_enable_bitmap = 0x0;//reset
	phtpriv_sta->candidate_tid_bitmap = 0x0;//reset
#endif //CONFIG_80211N_HT

#ifdef CONFIG_80211AC_VHT
	update_sta_vht_info_apmode(padapter, psta);
#endif

	update_ldpc_stbc_cap(psta);

	//todo: init other variables
	
	_rtw_memset((void*)&psta->sta_stats, 0, sizeof(struct stainfo_stats));


	//add ratid
	//add_RATid(padapter, psta);//move to ap_sta_info_defer_update()


	_enter_critical_bh(&psta->lock, &irqL);
	psta->state |= _FW_LINKED;
	_exit_critical_bh(&psta->lock, &irqL);
	

}

static void update_ap_info(_adapter *padapter, struct sta_info *psta)
{
	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
	WLAN_BSSID_EX *pnetwork = (WLAN_BSSID_EX *)&pmlmepriv->cur_network.network;
	struct security_priv *psecuritypriv = &padapter->securitypriv;
	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
#ifdef CONFIG_80211N_HT
	struct ht_priv	*phtpriv_ap = &pmlmepriv->htpriv;
#endif //CONFIG_80211N_HT

	psta->wireless_mode = pmlmeext->cur_wireless_mode;

	psta->bssratelen = rtw_get_rateset_len(pnetwork->SupportedRates);
	_rtw_memcpy(psta->bssrateset, pnetwork->SupportedRates, psta->bssratelen);

#ifdef CONFIG_80211N_HT	
	//HT related cap
	if(phtpriv_ap->ht_option)
	{
		//check if sta supports rx ampdu
		//phtpriv_ap->ampdu_enable = phtpriv_ap->ampdu_enable;

		//check if sta support s Short GI 20M
		if((phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SGI_20))
		{
			phtpriv_ap->sgi_20m = _TRUE;
		}
		//check if sta support s Short GI 40M
		if((phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SGI_40))
		{
			phtpriv_ap->sgi_40m = _TRUE;
		}

		psta->qos_option = _TRUE;
	}
	else
	{
		phtpriv_ap->ampdu_enable = _FALSE;
		
		phtpriv_ap->sgi_20m = _FALSE;
		phtpriv_ap->sgi_40m = _FALSE;
	}

	psta->bw_mode = pmlmeext->cur_bwmode;
	phtpriv_ap->ch_offset = pmlmeext->cur_ch_offset;

	phtpriv_ap->agg_enable_bitmap = 0x0;//reset
	phtpriv_ap->candidate_tid_bitmap = 0x0;//reset

	_rtw_memcpy(&psta->htpriv, &pmlmepriv->htpriv, sizeof(struct ht_priv));

#ifdef CONFIG_80211AC_VHT
	_rtw_memcpy(&psta->vhtpriv, &pmlmepriv->vhtpriv, sizeof(struct vht_priv));
#endif //CONFIG_80211AC_VHT

#endif //CONFIG_80211N_HT

	psta->state |= WIFI_AP_STATE; /* Aries, add,fix bug of flush_cam_entry at STOP AP mode , 0724 */
}

static void rtw_set_hw_wmm_param(_adapter *padapter)
{
	u8	ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
	u8	acm_mask;
	u16	TXOP;
	u32	acParm, i;
	u32	edca[4], inx[4];
	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
	struct xmit_priv		*pxmitpriv = &padapter->xmitpriv;
	struct registry_priv	 *pregpriv = &padapter->registrypriv;

	acm_mask = 0;

	if (IsSupported5G(pmlmeext->cur_wireless_mode) || 
		(pmlmeext->cur_wireless_mode & WIRELESS_11_24N))
		aSifsTime = 16;
	else
		aSifsTime = 10;

	if (pmlmeinfo->WMM_enable == 0) {
		padapter->mlmepriv.acm_mask = 0;

		AIFS = aSifsTime + (2 * pmlmeinfo->slotTime);

		if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11A)) {
			ECWMin = 4;
			ECWMax = 10;
		} else if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
			ECWMin = 5;
			ECWMax = 10;
		} else {
			ECWMin = 4;
			ECWMax = 10;
		}

		TXOP = 0;
		acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
		rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
		rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
		rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));

		ECWMin = 2;
		ECWMax = 3;
		TXOP = 0x2f;
		acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
		rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
		
	} else {
		edca[0] = edca[1] = edca[2] = edca[3] = 0;

		/*TODO:*/
		acm_mask = 0;
		padapter->mlmepriv.acm_mask = acm_mask;

		/*
		//BK
		//AIFS = AIFSN * slot time + SIFS - r2t phy delay
		*/
		AIFS = (7 * pmlmeinfo->slotTime) + aSifsTime;
		ECWMin = 4;
		ECWMax = 10;
		TXOP = 0;		
		acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
		rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
		edca[XMIT_BK_QUEUE] = acParm;
		DBG_871X("WMM(BK): %x\n", acParm);
		
		/* BE */
		AIFS = (3 * pmlmeinfo->slotTime) + aSifsTime;
		ECWMin = 4;
		ECWMax = 6;
		TXOP = 0;		
		acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
		rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
		edca[XMIT_BE_QUEUE] = acParm;
		DBG_871X("WMM(BE): %x\n", acParm);

		/* VI */
		AIFS = (1 * pmlmeinfo->slotTime) + aSifsTime;
		ECWMin = 3;
		ECWMax = 4;
		TXOP = 94;		
		acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
		rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
		edca[XMIT_VI_QUEUE] = acParm;
		DBG_871X("WMM(VI): %x\n", acParm);

		/* VO */
		AIFS = (1 * pmlmeinfo->slotTime) + aSifsTime;
		ECWMin = 2;
		ECWMax = 3;
		TXOP = 47;		
		acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
		rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
		edca[XMIT_VO_QUEUE] = acParm;
		DBG_871X("WMM(VO): %x\n", acParm);

		
		if (padapter->registrypriv.acm_method == 1)
			rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
		else
			padapter->mlmepriv.acm_mask = acm_mask;

		inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;

		if (pregpriv->wifi_spec == 1) {
			u32	j, tmp, change_inx = _FALSE;

			/* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */
			for (i = 0 ; i < 4 ; i++) {
				for (j = i+1 ; j < 4 ; j++) {
					/* compare CW and AIFS */
					if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
						change_inx = _TRUE;
					} else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
						/* compare TXOP */
						if ((edca[j] >> 16) > (edca[i] >> 16))
							change_inx = _TRUE;
					}
				
					if (change_inx) {
						tmp = edca[i];
						edca[i] = edca[j];
						edca[j] = tmp;

						tmp = inx[i];
						inx[i] = inx[j];
						inx[j] = tmp;

						change_inx = _FALSE;
					}
				}
			}
		}

		for (i = 0 ; i < 4 ; i++) {
			pxmitpriv->wmm_para_seq[i] = inx[i];
			DBG_871X("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[i]);
		}
		
	}
	
}

static void update_hw_ht_param(_adapter *padapter)
{
	unsigned char		max_AMPDU_len;
	unsigned char		min_MPDU_spacing;
	struct registry_priv	 *pregpriv = &padapter->registrypriv;
	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
	
	DBG_871X("%s\n", __FUNCTION__);
	

	//handle A-MPDU parameter field
	/* 	
		AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
		AMPDU_para [4:2]:Min MPDU Start Spacing	
	*/
	max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;	
	
	min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;	

	rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));

	rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));

	//
	// Config SM Power Save setting
	//
	pmlmeinfo->SM_PS = (pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info & 0x0C) >> 2;
	if(pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
	{
		/*u8 i;
		//update the MCS rates
		for (i = 0; i < 16; i++)
		{
			pmlmeinfo->HT_caps.HT_cap_element.MCS_rate[i] &= MCS_rate_1R[i];
		}*/
		DBG_871X("%s(): WLAN_HT_CAP_SM_PS_STATIC\n",__FUNCTION__);
	}

	//
	// Config current HT Protection mode.
	//
	//pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3;

}

static void rtw_ap_check_scan(_adapter *padapter)
{
	_irqL	irqL;
	_list		*plist, *phead;
	u32	delta_time, lifetime;
	struct	wlan_network	*pnetwork = NULL;
	WLAN_BSSID_EX *pbss = NULL;	
	struct	mlme_priv	*pmlmepriv = &(padapter->mlmepriv);	
	_queue	*queue	= &(pmlmepriv->scanned_queue);
	u8 do_scan = _FALSE;

	lifetime = SCANQUEUE_LIFETIME; /* 20 sec */

	_enter_critical_bh(&(pmlmepriv->scanned_queue.lock), &irqL);
	phead = get_list_head(queue);
	if (rtw_end_of_queue_search(phead, get_next(phead)) == _TRUE)
		if (padapter->registrypriv.wifi_spec)
			do_scan = _TRUE;
	_exit_critical_bh(&(pmlmepriv->scanned_queue.lock), &irqL);

#ifdef CONFIG_AUTO_CHNL_SEL_NHM
	if (padapter->registrypriv.acs_auto_scan) {
		do_scan = _TRUE;
		rtw_acs_start(padapter, _TRUE);
	}
#endif
		
	if (_TRUE == do_scan) {
		DBG_871X("%s : drv scans by itself and wait_completed\n", __func__);
		rtw_drv_scan_by_self(padapter);
		rtw_scan_wait_completed(padapter);
	}
	
#ifdef CONFIG_AUTO_CHNL_SEL_NHM
	if (padapter->registrypriv.acs_auto_scan)
		rtw_acs_start(padapter, _FALSE);
#endif	
	_enter_critical_bh(&(pmlmepriv->scanned_queue.lock), &irqL);

	phead = get_list_head(queue);
	plist = get_next(phead);

	while (1) {
		
		if (rtw_end_of_queue_search(phead, plist) == _TRUE)
			break;

		pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
		
		if (rtw_ch_set_search_ch(padapter->mlmeextpriv.channel_set, pnetwork->network.Configuration.DSConfig) >= 0
			&& rtw_mlme_band_check(padapter, pnetwork->network.Configuration.DSConfig) == _TRUE
			&& _TRUE == rtw_validate_ssid(&(pnetwork->network.Ssid))) {		
			delta_time = (u32) rtw_get_passing_time_ms(pnetwork->last_scanned);
			
			if (delta_time < lifetime) {

				uint ie_len = 0;	
				u8 *pbuf = NULL;
				u8 *ie = NULL;
		
				pbss = &pnetwork->network;
				ie = pbss->IEs;
		
				/*check if HT CAP INFO IE exists or not*/
				pbuf = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_CAPABILITY_IE_, &ie_len, (pbss->IELength - _BEACON_IE_OFFSET_));
				if (pbuf == NULL) {
					/* HT CAP INFO IE don't exist, it is b/g mode bss.*/
				
					if (pmlmepriv->olbc == _FALSE)
						pmlmepriv->olbc = _TRUE;

					if (pmlmepriv->olbc_ht == _FALSE)
						pmlmepriv->olbc_ht = _TRUE;
				}						
			}			
		}

		plist = get_next(plist);	
		
	}
	
	_exit_critical_bh(&(pmlmepriv->scanned_queue.lock), &irqL);

	pmlmepriv->num_sta_no_ht = 0; /* reset to 0 after ap do scanning*/
	
}

void rtw_start_bss_hdl_after_chbw_decided(_adapter *adapter)
{
	WLAN_BSSID_EX *pnetwork = &(adapter->mlmepriv.cur_network.network);
	struct sta_info *sta = NULL;

	/* update cur_wireless_mode */
	update_wireless_mode(adapter);

	/* update RRSR and RTS_INIT_RATE register after set channel and bandwidth */
	UpdateBrateTbl(adapter, pnetwork->SupportedRates);
	rtw_hal_set_hwreg(adapter, HW_VAR_BASIC_RATE, pnetwork->SupportedRates);

	/* update capability after cur_wireless_mode updated */
	update_capinfo(adapter, rtw_get_capability(pnetwork));

	/* update bc/mc sta_info */
	update_bmc_sta(adapter);

	/* update AP's sta info */
	sta = rtw_get_stainfo(&adapter->stapriv, pnetwork->MacAddress);
	if (!sta) {
		DBG_871X(FUNC_ADPT_FMT" !sta for macaddr="MAC_FMT"\n", FUNC_ADPT_ARG(adapter), MAC_ARG(pnetwork->MacAddress));
		rtw_warn_on(1);
		return;
	}

	update_ap_info(adapter, sta);
}

void start_bss_network(_adapter *padapter, struct createbss_parm *parm)
{
#define DUMP_ADAPTERS_STATUS 0

	u8 val8;
	u16 bcn_interval;
	u32	acparm;
	struct registry_priv	 *pregpriv = &padapter->registrypriv;
	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
	struct security_priv* psecuritypriv=&(padapter->securitypriv);	
	WLAN_BSSID_EX *pnetwork = (WLAN_BSSID_EX *)&pmlmepriv->cur_network.network; /* used as input */
	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
	WLAN_BSSID_EX *pnetwork_mlmeext = &(pmlmeinfo->network);
	u8 req_ch, req_bw, req_offset;
	bool ch_setting_changed = _FALSE;
	u8 ch_to_set = 0, bw_to_set, offset_to_set;

	if (parm->req_ch == 0) {
		/* change to unspecificed ch, bw, offset, get from IE */
		goto get_cbhw_from_ie;
	} else if (parm->req_ch > 0) {
		/* change ch, bw, offset */
		req_ch = parm->req_ch;
		req_bw = parm->req_bw;
		req_offset = parm->req_offset;
		goto change_chbw;
	}

	bcn_interval = (u16)pnetwork->Configuration.BeaconPeriod;	

	//check if there is wps ie, 
	//if there is wpsie in beacon, the hostapd will update beacon twice when stating hostapd,
	//and at first time the security ie ( RSN/WPA IE) will not include in beacon.
	if(NULL == rtw_get_wps_ie(pnetwork->IEs+_FIXED_IE_LENGTH_, pnetwork->IELength-_FIXED_IE_LENGTH_, NULL, NULL))
	{
		pmlmeext->bstart_bss = _TRUE;
	}

	//todo: update wmm, ht cap
	//pmlmeinfo->WMM_enable;
	//pmlmeinfo->HT_enable;
	if(pmlmepriv->qospriv.qos_option)
		pmlmeinfo->WMM_enable = _TRUE;
#ifdef CONFIG_80211N_HT
	if(pmlmepriv->htpriv.ht_option)
	{
		pmlmeinfo->WMM_enable = _TRUE;
		pmlmeinfo->HT_enable = _TRUE;
		//pmlmeinfo->HT_info_enable = _TRUE;
		//pmlmeinfo->HT_caps_enable = _TRUE;

		update_hw_ht_param(padapter);
	}
#endif //#CONFIG_80211N_HT

#ifdef CONFIG_80211AC_VHT
	if(pmlmepriv->vhtpriv.vht_option) {
		pmlmeinfo->VHT_enable = _TRUE;
		update_hw_vht_param(padapter);
	}
#endif //CONFIG_80211AC_VHT

	if(pmlmepriv->cur_network.join_res != _TRUE) //setting only at  first time
	{
		//WEP Key will be set before this function, do not clear CAM.
		if ((psecuritypriv->dot11PrivacyAlgrthm != _WEP40_) && (psecuritypriv->dot11PrivacyAlgrthm != _WEP104_))
			flush_all_cam_entry(padapter);	//clear CAM
	}	

	//set MSR to AP_Mode		
	Set_MSR(padapter, _HW_STATE_AP_);	
		
	//Set BSSID REG
	rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, pnetwork->MacAddress);

	//Set EDCA param reg
#ifdef CONFIG_CONCURRENT_MODE
	acparm = 0x005ea42b;
#else
	acparm = 0x002F3217; // VO
#endif
	rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acparm));
	acparm = 0x005E4317; // VI
	rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acparm));
	//acparm = 0x00105320; // BE
	acparm = 0x005ea42b;
	rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acparm));
	acparm = 0x0000A444; // BK
	rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acparm));

	//Set Security
	val8 = (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)? 0xcc: 0xcf;
	rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));

	//Beacon Control related register
	rtw_hal_set_hwreg(padapter, HW_VAR_BEACON_INTERVAL, (u8 *)(&bcn_interval));

	rtw_hal_set_hwreg(padapter, HW_VAR_DO_IQK, NULL);

#if 0
	if(pmlmepriv->cur_network.join_res != _TRUE) //setting only at  first time
	{
		//u32 initialgain;

		//initialgain = 0x1e;


		//disable dynamic functions, such as high power, DIG
		/*rtw_phydm_ability_backup(padapter);*/
		/*rtw_phydm_func_disable_all(padapter);*/
		
		//turn on all dynamic functions	
		/* Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, _TRUE);*/

		/*rtw_hal_set_odm_var(padapter, HAL_ODM_INITIAL_GAIN, &initialgain, _FALSE);*/
	
	}
#endif

get_cbhw_from_ie:
	rtw_ies_get_chbw(pnetwork->IEs + sizeof(NDIS_802_11_FIXED_IEs)
		, pnetwork->IELength - sizeof(NDIS_802_11_FIXED_IEs)
		, &req_ch, &req_bw, &req_offset);

change_chbw:
	rtw_warn_on(req_ch == 0);

	ch_setting_changed = rtw_ap_chbw_decision(padapter, req_ch, req_bw, req_offset
		, &ch_to_set, &bw_to_set, &offset_to_set);

	//let pnetwork_mlmeext == pnetwork_mlme.
	_rtw_memcpy(pnetwork_mlmeext, pnetwork, pnetwork->Length);

	rtw_start_bss_hdl_after_chbw_decided(padapter);

	#if defined(CONFIG_DFS_MASTER)
	rtw_dfs_master_status_apply(padapter, MLME_AP_STARTED);
	#endif

	if (ch_to_set != 0)
		set_channel_bwmode(padapter, ch_to_set, offset_to_set, bw_to_set);

	if (DUMP_ADAPTERS_STATUS) {
		DBG_871X(FUNC_ADPT_FMT" done\n", FUNC_ADPT_ARG(padapter));
		dump_adapters_status(RTW_DBGDUMP , adapter_to_dvobj(padapter));
	}

	if (_TRUE == pmlmeext->bstart_bss
		&& !check_fwstate(pmlmepriv, WIFI_SITE_MONITOR)
		&& !check_fwstate(pmlmepriv, WIFI_OP_CH_SWITCHING)
		#ifdef CONFIG_CONCURRENT_MODE
		&& !check_buddy_fwstate(padapter, WIFI_SITE_MONITOR)
		#endif
	) {

	       if ((pmlmepriv->olbc == _TRUE) || (pmlmepriv->olbc_ht == _TRUE)) {

			/* AP is not starting a 40 MHz BSS in presence of an 802.11g BSS. */

			pmlmepriv->ht_op_mode &= (~HT_INFO_OPERATION_MODE_OP_MODE_MASK);
			pmlmepriv->ht_op_mode |= OP_MODE_MAY_BE_LEGACY_STAS;
			update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, _FALSE);
		}

		update_beacon(padapter, _TIM_IE_, NULL, _TRUE);

		#if !defined(CONFIG_INTERRUPT_BASED_TXBCN)
		#if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
		/* other case will  tx beacon when bcn interrupt coming in. */
		if (send_beacon(padapter) == _FAIL)
			DBG_871X("issue_beacon, fail!\n");
		#endif 
		#endif /* !defined(CONFIG_INTERRUPT_BASED_TXBCN) */
	}

	/*Set EDCA param reg after update cur_wireless_mode & update_capinfo*/
	if (pregpriv->wifi_spec == 1)
		rtw_set_hw_wmm_param(padapter);
	
	/*pmlmeext->bstart_bss = _TRUE;*/
}

int rtw_check_beacon_data(_adapter *padapter, u8 *pbuf,  int len)
{
	int ret=_SUCCESS;
	u8 *p;
	u8 *pHT_caps_ie=NULL;
	u8 *pHT_info_ie=NULL;
	u16 cap, ht_cap=_FALSE;
	uint ie_len = 0;
	int group_cipher, pairwise_cipher;	
	u8	channel, network_type, supportRate[NDIS_802_11_LENGTH_RATES_EX];
	int supportRateNum = 0;
	u8 OUI1[] = {0x00, 0x50, 0xf2,0x01};
	u8 wps_oui[4]={0x0,0x50,0xf2,0x04};
	u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};	
	struct registry_priv *pregistrypriv = &padapter->registrypriv;	
	struct security_priv *psecuritypriv = &padapter->securitypriv;
	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
	WLAN_BSSID_EX *pbss_network = (WLAN_BSSID_EX *)&pmlmepriv->cur_network.network;	
	struct sta_priv *pstapriv = &padapter->stapriv;
	u8 *ie = pbss_network->IEs;
	u8 vht_cap=_FALSE;
	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
	u8 rf_num = 0;
	
	/* SSID */
	/* Supported rates */
	/* DS Params */
	/* WLAN_EID_COUNTRY */
	/* ERP Information element */
	/* Extended supported rates */
	/* WPA/WPA2 */
	/* Wi-Fi Wireless Multimedia Extensions */
	/* ht_capab, ht_oper */
	/* WPS IE */

	DBG_871X("%s, len=%d\n", __FUNCTION__, len);

	if(check_fwstate(pmlmepriv, WIFI_AP_STATE) != _TRUE)
		return _FAIL;


	if(len>MAX_IE_SZ)
		return _FAIL;
	
	pbss_network->IELength = len;

	_rtw_memset(ie, 0, MAX_IE_SZ);
	
	_rtw_memcpy(ie, pbuf, pbss_network->IELength);


	if(pbss_network->InfrastructureMode!=Ndis802_11APMode)
		return _FAIL;


	rtw_ap_check_scan(padapter);
	

	pbss_network->Rssi = 0;

	_rtw_memcpy(pbss_network->MacAddress, adapter_mac_addr(padapter), ETH_ALEN);
	
	//beacon interval
	p = rtw_get_beacon_interval_from_ie(ie);//ie + 8;	// 8: TimeStamp, 2: Beacon Interval 2:Capability
	//pbss_network->Configuration.BeaconPeriod = le16_to_cpu(*(unsigned short*)p);
	pbss_network->Configuration.BeaconPeriod = RTW_GET_LE16(p);
	
	//capability
	//cap = *(unsigned short *)rtw_get_capability_from_ie(ie);
	//cap = le16_to_cpu(cap);
	cap = RTW_GET_LE16(ie);

	//SSID
	p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SSID_IE_, &ie_len, (pbss_network->IELength -_BEACON_IE_OFFSET_));
	if(p && ie_len>0)
	{
		_rtw_memset(&pbss_network->Ssid, 0, sizeof(NDIS_802_11_SSID));
		_rtw_memcpy(pbss_network->Ssid.Ssid, (p + 2), ie_len);
		pbss_network->Ssid.SsidLength = ie_len;
		#ifdef CONFIG_P2P
		_rtw_memcpy(padapter->wdinfo.p2p_group_ssid, pbss_network->Ssid.Ssid, pbss_network->Ssid.SsidLength);
		padapter->wdinfo.p2p_group_ssid_len = pbss_network->Ssid.SsidLength;
		#endif
	}

	//chnnel
	channel = 0;
	pbss_network->Configuration.Length = 0;
	p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _DSSET_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
	if(p && ie_len>0)
		channel = *(p + 2);

	pbss_network->Configuration.DSConfig = channel;

	
	_rtw_memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX);
	// get supported rates
	p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));	
	if (p !=  NULL) 
	{
		_rtw_memcpy(supportRate, p+2, ie_len);	
		supportRateNum = ie_len;
	}
	
	//get ext_supported rates
	p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _EXT_SUPPORTEDRATES_IE_, &ie_len, pbss_network->IELength - _BEACON_IE_OFFSET_);	
	if (p !=  NULL)
	{
		_rtw_memcpy(supportRate+supportRateNum, p+2, ie_len);
		supportRateNum += ie_len;
	
	}

	network_type = rtw_check_network_type(supportRate, supportRateNum, channel);

	rtw_set_supported_rate(pbss_network->SupportedRates, network_type);


	//parsing ERP_IE
	p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
	if(p && ie_len>0)
	{
		ERP_IE_handler(padapter, (PNDIS_802_11_VARIABLE_IEs)p);
	}

	//update privacy/security
	if (cap & BIT(4))
		pbss_network->Privacy = 1;
	else
		pbss_network->Privacy = 0;

	psecuritypriv->wpa_psk = 0;

	//wpa2
	group_cipher = 0; pairwise_cipher = 0;
	psecuritypriv->wpa2_group_cipher = _NO_PRIVACY_;
	psecuritypriv->wpa2_pairwise_cipher = _NO_PRIVACY_;	
	p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _RSN_IE_2_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));		
	if(p && ie_len>0)
	{
		if(rtw_parse_wpa2_ie(p, ie_len+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS)
		{
			psecuritypriv->dot11AuthAlgrthm= dot11AuthAlgrthm_8021X;
			
			psecuritypriv->dot8021xalg = 1;//psk,  todo:802.1x
			psecuritypriv->wpa_psk |= BIT(1);

			psecuritypriv->wpa2_group_cipher = group_cipher;
			psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher;
#if 0
			switch(group_cipher)
			{
				case WPA_CIPHER_NONE:				
				psecuritypriv->wpa2_group_cipher = _NO_PRIVACY_;
				break;
				case WPA_CIPHER_WEP40:				
				psecuritypriv->wpa2_group_cipher = _WEP40_;
				break;
				case WPA_CIPHER_TKIP:				
				psecuritypriv->wpa2_group_cipher = _TKIP_;
				break;
				case WPA_CIPHER_CCMP:				
				psecuritypriv->wpa2_group_cipher = _AES_;				
				break;
				case WPA_CIPHER_WEP104:					
				psecuritypriv->wpa2_group_cipher = _WEP104_;
				break;
			}

			switch(pairwise_cipher)
			{
				case WPA_CIPHER_NONE:			
				psecuritypriv->wpa2_pairwise_cipher = _NO_PRIVACY_;
				break;
				case WPA_CIPHER_WEP40:			
				psecuritypriv->wpa2_pairwise_cipher = _WEP40_;
				break;
				case WPA_CIPHER_TKIP:				
				psecuritypriv->wpa2_pairwise_cipher = _TKIP_;
				break;
				case WPA_CIPHER_CCMP:			
				psecuritypriv->wpa2_pairwise_cipher = _AES_;
				break;
				case WPA_CIPHER_WEP104:					
				psecuritypriv->wpa2_pairwise_cipher = _WEP104_;
				break;
			}
#endif			
		}
		
	}

	//wpa
	ie_len = 0;
	group_cipher = 0; pairwise_cipher = 0;
	psecuritypriv->wpa_group_cipher = _NO_PRIVACY_;
	psecuritypriv->wpa_pairwise_cipher = _NO_PRIVACY_;	
	for (p = ie + _BEACON_IE_OFFSET_; ;p += (ie_len + 2))
	{
		p = rtw_get_ie(p, _SSN_IE_1_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_ - (ie_len + 2)));		
		if ((p) && (_rtw_memcmp(p+2, OUI1, 4)))
		{
			if(rtw_parse_wpa_ie(p, ie_len+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS)
			{
				psecuritypriv->dot11AuthAlgrthm= dot11AuthAlgrthm_8021X;
				
				psecuritypriv->dot8021xalg = 1;//psk,  todo:802.1x

				psecuritypriv->wpa_psk |= BIT(0);

				psecuritypriv->wpa_group_cipher = group_cipher;
				psecuritypriv->wpa_pairwise_cipher = pairwise_cipher;

#if 0
				switch(group_cipher)
				{
					case WPA_CIPHER_NONE:					
					psecuritypriv->wpa_group_cipher = _NO_PRIVACY_;
					break;
					case WPA_CIPHER_WEP40:					
					psecuritypriv->wpa_group_cipher = _WEP40_;
					break;
					case WPA_CIPHER_TKIP:					
					psecuritypriv->wpa_group_cipher = _TKIP_;
					break;
					case WPA_CIPHER_CCMP:					
					psecuritypriv->wpa_group_cipher = _AES_;				
					break;
					case WPA_CIPHER_WEP104:					
					psecuritypriv->wpa_group_cipher = _WEP104_;
					break;
				}

				switch(pairwise_cipher)
				{
					case WPA_CIPHER_NONE:					
					psecuritypriv->wpa_pairwise_cipher = _NO_PRIVACY_;
					break;
					case WPA_CIPHER_WEP40:					
					psecuritypriv->wpa_pairwise_cipher = _WEP40_;
					break;
					case WPA_CIPHER_TKIP:					
					psecuritypriv->wpa_pairwise_cipher = _TKIP_;
					break;
					case WPA_CIPHER_CCMP:					
					psecuritypriv->wpa_pairwise_cipher = _AES_;
					break;
					case WPA_CIPHER_WEP104:					
					psecuritypriv->wpa_pairwise_cipher = _WEP104_;
					break;
				}
#endif				
			}

			break;
			
		}
			
		if ((p == NULL) || (ie_len == 0))
		{
				break;
		}
		
	}

	//wmm
	ie_len = 0;
	pmlmepriv->qospriv.qos_option = 0;
	if(pregistrypriv->wmm_enable)
	{
		for (p = ie + _BEACON_IE_OFFSET_; ;p += (ie_len + 2))
		{			
			p = rtw_get_ie(p, _VENDOR_SPECIFIC_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_ - (ie_len + 2)));	
			if((p) && _rtw_memcmp(p+2, WMM_PARA_IE, 6)) 
			{
				pmlmepriv->qospriv.qos_option = 1;	

				*(p+8) |= BIT(7);//QoS Info, support U-APSD
				
				/* disable all ACM bits since the WMM admission control is not supported */
				*(p + 10) &= ~BIT(4); /* BE */
				*(p + 14) &= ~BIT(4); /* BK */
				*(p + 18) &= ~BIT(4); /* VI */
				*(p + 22) &= ~BIT(4); /* VO */
				
				break;				
			}
			
			if ((p == NULL) || (ie_len == 0))
			{
				break;
			}			
		}		
	}
#ifdef CONFIG_80211N_HT
	//parsing HT_CAP_IE
	p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_CAPABILITY_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
	if(p && ie_len>0)
	{
		u8 rf_type=0;
		HT_CAP_AMPDU_FACTOR max_rx_ampdu_factor=MAX_AMPDU_FACTOR_64K;
		struct rtw_ieee80211_ht_cap *pht_cap = (struct rtw_ieee80211_ht_cap *)(p+2);

		if (0) {
			DBG_871X(FUNC_ADPT_FMT" HT_CAP_IE from upper layer:\n", FUNC_ADPT_ARG(padapter));
			dump_ht_cap_ie_content(RTW_DBGDUMP, p+2, ie_len);
		}

		pHT_caps_ie=p;

		ht_cap = _TRUE;
		network_type |= WIRELESS_11_24N;

		rtw_ht_use_default_setting(padapter);

		/* Update HT Capabilities Info field */
		if (pmlmepriv->htpriv.sgi_20m == _FALSE)
			pht_cap->cap_info &= ~(IEEE80211_HT_CAP_SGI_20);

		if (pmlmepriv->htpriv.sgi_40m == _FALSE)
			pht_cap->cap_info &= ~(IEEE80211_HT_CAP_SGI_40);

		if (!TEST_FLAG(pmlmepriv->htpriv.ldpc_cap, LDPC_HT_ENABLE_RX))
		{
			pht_cap->cap_info &= ~(IEEE80211_HT_CAP_LDPC_CODING);
		}

		if (!TEST_FLAG(pmlmepriv->htpriv.stbc_cap, STBC_HT_ENABLE_TX))
		{
			pht_cap->cap_info &= ~(IEEE80211_HT_CAP_TX_STBC);
		}		

		if (!TEST_FLAG(pmlmepriv->htpriv.stbc_cap, STBC_HT_ENABLE_RX))
		{
			pht_cap->cap_info &= ~(IEEE80211_HT_CAP_RX_STBC_3R);
		}

		/* Update A-MPDU Parameters field */
		pht_cap->ampdu_params_info &= ~(IEEE80211_HT_CAP_AMPDU_FACTOR|IEEE80211_HT_CAP_AMPDU_DENSITY);

		if((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) ||
			(psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP))
		{
			pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&(0x07<<2));
		}	
		else
		{
			pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00);	
		}	

		rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor);
		pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_FACTOR & max_rx_ampdu_factor); //set  Max Rx AMPDU size  to 64K
		
		_rtw_memcpy(&(pmlmeinfo->HT_caps), pht_cap, sizeof(struct HT_caps_element));

		/* Update Supported MCS Set field */
		{
			int i;

			rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));

			/* RX MCS Bitmask */
			switch(rf_type)
			{
				case RF_1T1R:
				case RF_1T2R: //?
					set_mcs_rate_by_mask(HT_CAP_ELE_RX_MCS_MAP(pht_cap), MCS_RATE_1R);
					break;
				case RF_2T2R:
					set_mcs_rate_by_mask(HT_CAP_ELE_RX_MCS_MAP(pht_cap), MCS_RATE_2R);
					break;
				case RF_3T3R:
					set_mcs_rate_by_mask(HT_CAP_ELE_RX_MCS_MAP(pht_cap), MCS_RATE_3R);
					break;
				default:
					DBG_871X("[warning] rf_type %d is not expected\n", rf_type);
			}
			for (i = 0; i < 10; i++)
				*(HT_CAP_ELE_RX_MCS_MAP(pht_cap)+i) &= padapter->mlmeextpriv.default_supported_mcs_set[i];
		}

#ifdef CONFIG_BEAMFORMING
		// Use registry value to enable HT Beamforming.
		// ToDo: use configure file to set these capability.
		pht_cap->tx_BF_cap_info = 0;

		// HT Beamformer
		if(TEST_FLAG(pmlmepriv->htpriv.beamform_cap, BEAMFORMING_HT_BEAMFORMER_ENABLE))
		{
			// Transmit NDP Capable
			SET_HT_CAP_TXBF_TRANSMIT_NDP_CAP(pht_cap, 1);
			// Explicit Compressed Steering Capable
			SET_HT_CAP_TXBF_EXPLICIT_COMP_STEERING_CAP(pht_cap, 1);
			// Compressed Steering Number Antennas
			SET_HT_CAP_TXBF_COMP_STEERING_NUM_ANTENNAS(pht_cap, 1);
			rtw_hal_get_def_var(padapter, HAL_DEF_BEAMFORMER_CAP, (u8 *)&rf_num);
			SET_HT_CAP_TXBF_CHNL_ESTIMATION_NUM_ANTENNAS(pht_cap, rf_num);		
		}

		// HT Beamformee
		if(TEST_FLAG(pmlmepriv->htpriv.beamform_cap, BEAMFORMING_HT_BEAMFORMEE_ENABLE))
		{
			// Receive NDP Capable
			SET_HT_CAP_TXBF_RECEIVE_NDP_CAP(pht_cap, 1);
			// Explicit Compressed Beamforming Feedback Capable
			SET_HT_CAP_TXBF_EXPLICIT_COMP_FEEDBACK_CAP(pht_cap, 2);
			rtw_hal_get_def_var(padapter, HAL_DEF_BEAMFORMEE_CAP, (u8 *)&rf_num);
			SET_HT_CAP_TXBF_COMP_STEERING_NUM_ANTENNAS(pht_cap, rf_num);
		}
#endif //CONFIG_BEAMFORMING

		_rtw_memcpy(&pmlmepriv->htpriv.ht_cap, p+2, ie_len);

		if (0) {
			DBG_871X(FUNC_ADPT_FMT" HT_CAP_IE driver masked:\n", FUNC_ADPT_ARG(padapter));
			dump_ht_cap_ie_content(RTW_DBGDUMP, p+2, ie_len);
		}
	}

	//parsing HT_INFO_IE
	p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_ADD_INFO_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
	if(p && ie_len>0)
	{
		pHT_info_ie=p;
	}
#endif //CONFIG_80211N_HT
	switch(network_type)
	{
		case WIRELESS_11B:
			pbss_network->NetworkTypeInUse = Ndis802_11DS;
			break;	
		case WIRELESS_11G:
		case WIRELESS_11BG:
             case WIRELESS_11G_24N:
		case WIRELESS_11BG_24N:
			pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
			break;
		case WIRELESS_11A:
			pbss_network->NetworkTypeInUse = Ndis802_11OFDM5;
			break;
		default :
			pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
			break;
	}
	
	pmlmepriv->cur_network.network_type = network_type;

#ifdef CONFIG_80211N_HT
	pmlmepriv->htpriv.ht_option = _FALSE;

	if( (psecuritypriv->wpa2_pairwise_cipher&WPA_CIPHER_TKIP) ||
		      (psecuritypriv->wpa_pairwise_cipher&WPA_CIPHER_TKIP))
	{	
		//todo:
		//ht_cap = _FALSE;
	}
		      
	//ht_cap	
	if(pregistrypriv->ht_enable && ht_cap==_TRUE)
	{		
		pmlmepriv->htpriv.ht_option = _TRUE;
		pmlmepriv->qospriv.qos_option = 1;

		if(pregistrypriv->ampdu_enable==1)
		{
			pmlmepriv->htpriv.ampdu_enable = _TRUE;
		}

		HT_caps_handler(padapter, (PNDIS_802_11_VARIABLE_IEs)pHT_caps_ie);
		
		HT_info_handler(padapter, (PNDIS_802_11_VARIABLE_IEs)pHT_info_ie);
	}
#endif

#ifdef CONFIG_80211AC_VHT

	//Parsing VHT CAP IE
	p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, EID_VHTCapability, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
	if(p && ie_len>0)
	{	
		vht_cap = _TRUE; 
	}
	//Parsing VHT OPERATION IE
	

	pmlmepriv->vhtpriv.vht_option = _FALSE;
	// if channel in 5G band, then add vht ie .
	if ((pbss_network->Configuration.DSConfig > 14) && 
		(pmlmepriv->htpriv.ht_option == _TRUE) &&
		(pregistrypriv->vht_enable)) 
	{
		if(vht_cap == _TRUE)
		{
			pmlmepriv->vhtpriv.vht_option = _TRUE;
		}
		else if(pregistrypriv->vht_enable == 2) // auto enabled
		{
			u8	cap_len, operation_len;

			rtw_vht_use_default_setting(padapter);

			{
				/* VHT Operation mode notifiy bit in Extended IE (127) */
				uint len = 0;
				
				SET_EXT_CAPABILITY_ELE_OP_MODE_NOTIF(pmlmepriv->ext_capab_ie_data, 1);
				pmlmepriv->ext_capab_ie_len = 10;
				rtw_set_ie(pbss_network->IEs + pbss_network->IELength, EID_EXTCapability, 8, pmlmepriv->ext_capab_ie_data, &len);
				pbss_network->IELength += pmlmepriv->ext_capab_ie_len;
			}
			
			// VHT Capabilities element
			cap_len = rtw_build_vht_cap_ie(padapter, pbss_network->IEs + pbss_network->IELength);
			pbss_network->IELength += cap_len;

			// VHT Operation element
			operation_len = rtw_build_vht_operation_ie(padapter, pbss_network->IEs + pbss_network->IELength, pbss_network->Configuration.DSConfig);
			pbss_network->IELength += operation_len;

			pmlmepriv->vhtpriv.vht_option = _TRUE;
		}		
	}
#endif //CONFIG_80211AC_VHT

	pbss_network->Length = get_WLAN_BSSID_EX_sz((WLAN_BSSID_EX  *)pbss_network);

	rtw_ies_get_chbw(pbss_network->IEs + _BEACON_IE_OFFSET_, pbss_network->IELength - _BEACON_IE_OFFSET_
		, &pmlmepriv->ori_ch, &pmlmepriv->ori_bw, &pmlmepriv->ori_offset);
	rtw_warn_on(pmlmepriv->ori_ch == 0);

{
	/* alloc sta_info for ap itself */

	struct sta_info *sta;

	sta = rtw_get_stainfo(&padapter->stapriv, pbss_network->MacAddress);
	if (!sta) {
		sta = rtw_alloc_stainfo(&padapter->stapriv, pbss_network->MacAddress);
		if (sta == NULL) 
			return _FAIL;
	}
}

	rtw_startbss_cmd(padapter, RTW_CMDF_WAIT_ACK);

	rtw_indicate_connect( padapter);

	pmlmepriv->cur_network.join_res = _TRUE;//for check if already set beacon
		
	//update bc/mc sta_info
	//update_bmc_sta(padapter);

	return ret;

}

void rtw_set_macaddr_acl(_adapter *padapter, int mode)
{
	struct sta_priv *pstapriv = &padapter->stapriv;
	struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;

	DBG_871X("%s, mode=%d\n", __func__, mode);

	pacl_list->mode = mode;
}

int rtw_acl_add_sta(_adapter *padapter, u8 *addr)
{
	_irqL irqL;
	_list	*plist, *phead;
	u8 added = _FALSE;
	int i, ret=0;
	struct rtw_wlan_acl_node *paclnode;
	struct sta_priv *pstapriv = &padapter->stapriv;
	struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
	_queue	*pacl_node_q =&pacl_list->acl_node_q;	

	DBG_871X("%s(acl_num=%d)=" MAC_FMT "\n", __func__, pacl_list->num, MAC_ARG(addr));	

	if((NUM_ACL-1) < pacl_list->num)
		return (-1);	


	_enter_critical_bh(&(pacl_node_q->lock), &irqL);

	phead = get_list_head(pacl_node_q);
	plist = get_next(phead);
		
	while ((rtw_end_of_queue_search(phead, plist)) == _FALSE)
	{
		paclnode = LIST_CONTAINOR(plist, struct rtw_wlan_acl_node, list);
		plist = get_next(plist);

		if(_rtw_memcmp(paclnode->addr, addr, ETH_ALEN))
		{
			if(paclnode->valid == _TRUE)
			{
				added = _TRUE;
				DBG_871X("%s, sta has been added\n", __func__);
				break;
			}
		}		
	}
	
	_exit_critical_bh(&(pacl_node_q->lock), &irqL);


	if(added == _TRUE)
		return ret;
	

	_enter_critical_bh(&(pacl_node_q->lock), &irqL);

	for(i=0; i< NUM_ACL; i++)
	{
		paclnode = &pacl_list->aclnode[i];

		if(paclnode->valid == _FALSE)
		{
			_rtw_init_listhead(&paclnode->list);
	
			_rtw_memcpy(paclnode->addr, addr, ETH_ALEN);
		
			paclnode->valid = _TRUE;

			rtw_list_insert_tail(&paclnode->list, get_list_head(pacl_node_q));
	
			pacl_list->num++;

			break;
		}
	}

	DBG_871X("%s, acl_num=%d\n", __func__, pacl_list->num);
	
	_exit_critical_bh(&(pacl_node_q->lock), &irqL);

	return ret;
}

int rtw_acl_remove_sta(_adapter *padapter, u8 *addr)
{
	_irqL irqL;
	_list	*plist, *phead;
	int i, ret=0;
	struct rtw_wlan_acl_node *paclnode;
	struct sta_priv *pstapriv = &padapter->stapriv;
	struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
	_queue	*pacl_node_q =&pacl_list->acl_node_q;
	u8 baddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };	//Baddr is used for clearing acl_list

	DBG_871X("%s(acl_num=%d)=" MAC_FMT "\n", __func__, pacl_list->num, MAC_ARG(addr));	

	_enter_critical_bh(&(pacl_node_q->lock), &irqL);

	phead = get_list_head(pacl_node_q);
	plist = get_next(phead);
		
	while ((rtw_end_of_queue_search(phead, plist)) == _FALSE)
	{
		paclnode = LIST_CONTAINOR(plist, struct rtw_wlan_acl_node, list);
		plist = get_next(plist);

		if(_rtw_memcmp(paclnode->addr, addr, ETH_ALEN) || _rtw_memcmp(baddr, addr, ETH_ALEN))
		{
			if(paclnode->valid == _TRUE)
			{
				paclnode->valid = _FALSE;

				rtw_list_delete(&paclnode->list);
				
				pacl_list->num--;
			}
		}		
	}
	
	_exit_critical_bh(&(pacl_node_q->lock), &irqL);

	DBG_871X("%s, acl_num=%d\n", __func__, pacl_list->num);
	
	return ret;

}

u8 rtw_ap_set_pairwise_key(_adapter *padapter, struct sta_info *psta)
{
	struct cmd_obj*			ph2c;
	struct set_stakey_parm	*psetstakey_para;
	struct cmd_priv 			*pcmdpriv=&padapter->cmdpriv;	
	u8	res=_SUCCESS;

	ph2c = (struct cmd_obj*)rtw_zmalloc(sizeof(struct cmd_obj));
	if ( ph2c == NULL){
		res= _FAIL;
		goto exit;
	}

	psetstakey_para = (struct set_stakey_parm*)rtw_zmalloc(sizeof(struct set_stakey_parm));
	if(psetstakey_para==NULL){
		rtw_mfree((u8 *) ph2c, sizeof(struct cmd_obj));
		res=_FAIL;
		goto exit;
	}

	init_h2fwcmd_w_parm_no_rsp(ph2c, psetstakey_para, _SetStaKey_CMD_);


	psetstakey_para->algorithm = (u8)psta->dot118021XPrivacy;

	_rtw_memcpy(psetstakey_para->addr, psta->hwaddr, ETH_ALEN);	
	
	_rtw_memcpy(psetstakey_para->key, &psta->dot118021x_UncstKey, 16);

	
	res = rtw_enqueue_cmd(pcmdpriv, ph2c);	

exit:

	return res;
	
}

static int rtw_ap_set_key(_adapter *padapter, u8 *key, u8 alg, int keyid, u8 set_tx)
{
	u8 keylen;
	struct cmd_obj* pcmd;
	struct setkey_parm *psetkeyparm;
	struct cmd_priv	*pcmdpriv=&(padapter->cmdpriv);	
	int res=_SUCCESS;

	//DBG_871X("%s\n", __FUNCTION__);
	
	pcmd = (struct cmd_obj*)rtw_zmalloc(sizeof(struct cmd_obj));
	if(pcmd==NULL){
		res= _FAIL;
		goto exit;
	}
	psetkeyparm=(struct setkey_parm*)rtw_zmalloc(sizeof(struct setkey_parm));
	if(psetkeyparm==NULL){
		rtw_mfree((unsigned char *)pcmd, sizeof(struct cmd_obj));
		res= _FAIL;
		goto exit;
	}

	_rtw_memset(psetkeyparm, 0, sizeof(struct setkey_parm));
		
	psetkeyparm->keyid=(u8)keyid;
	if (is_wep_enc(alg))
		padapter->securitypriv.key_mask |= BIT(psetkeyparm->keyid);

	psetkeyparm->algorithm = alg;

	psetkeyparm->set_tx = set_tx;

	switch(alg)
	{
		case _WEP40_:					
			keylen = 5;
			break;
		case _WEP104_:
			keylen = 13;			
			break;
		case _TKIP_:
		case _TKIP_WTMIC_:
		case _AES_:
		default:
			keylen = 16;
	}

	_rtw_memcpy(&(psetkeyparm->key[0]), key, keylen);
	
	pcmd->cmdcode = _SetKey_CMD_;
	pcmd->parmbuf = (u8 *)psetkeyparm;   
	pcmd->cmdsz =  (sizeof(struct setkey_parm));  
	pcmd->rsp = NULL;
	pcmd->rspsz = 0;


	_rtw_init_listhead(&pcmd->list);

	res = rtw_enqueue_cmd(pcmdpriv, pcmd);

exit:

	return res;
}

int rtw_ap_set_group_key(_adapter *padapter, u8 *key, u8 alg, int keyid)
{
	DBG_871X("%s\n", __FUNCTION__);

	return rtw_ap_set_key(padapter, key, alg, keyid, 1);
}

int rtw_ap_set_wep_key(_adapter *padapter, u8 *key, u8 keylen, int keyid, u8 set_tx)
{
	u8 alg;

	switch(keylen)
	{
		case 5:
			alg =_WEP40_;			
			break;
		case 13:
			alg =_WEP104_;			
			break;
		default:
			alg =_NO_PRIVACY_;			
	}

	DBG_871X("%s\n", __FUNCTION__);

	return rtw_ap_set_key(padapter, key, alg, keyid, set_tx);
}

u8 rtw_ap_bmc_frames_hdl(_adapter *padapter)
{
#define HIQ_XMIT_COUNTS (6)
	_irqL irqL;
	struct sta_info *psta_bmc;
	_list	*xmitframe_plist, *xmitframe_phead;
	struct xmit_frame *pxmitframe = NULL;
	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
	struct sta_priv  *pstapriv = &padapter->stapriv;
	bool update_tim = _FALSE;


	if (padapter->registrypriv.wifi_spec != 1)
		return H2C_SUCCESS;

	
	psta_bmc = rtw_get_bcmc_stainfo(padapter);
	if (!psta_bmc)
		return H2C_SUCCESS;


	_enter_critical_bh(&pxmitpriv->lock, &irqL);

	if ((pstapriv->tim_bitmap & BIT(0)) && (psta_bmc->sleepq_len > 0)) {
		int tx_counts = 0;
		
		_update_beacon(padapter, _TIM_IE_, NULL, _FALSE, "update TIM with TIB=1");

		DBG_871X("sleepq_len of bmc_sta = %d\n", psta_bmc->sleepq_len);

		xmitframe_phead = get_list_head(&psta_bmc->sleep_q);
		xmitframe_plist = get_next(xmitframe_phead);

		while ((rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) == _FALSE) {
			pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list);

			xmitframe_plist = get_next(xmitframe_plist);

			rtw_list_delete(&pxmitframe->list);

			psta_bmc->sleepq_len--;
			tx_counts++;
			
			if (psta_bmc->sleepq_len > 0)
				pxmitframe->attrib.mdata = 1;
			else
				pxmitframe->attrib.mdata = 0;

			if (tx_counts == HIQ_XMIT_COUNTS)
				pxmitframe->attrib.mdata = 0;
			
			pxmitframe->attrib.triggered = 1;

			if (xmitframe_hiq_filter(pxmitframe) == _TRUE)
				pxmitframe->attrib.qsel = QSLT_HIGH;/*HIQ*/

			rtw_hal_xmitframe_enqueue(padapter, pxmitframe);

			if (tx_counts == HIQ_XMIT_COUNTS)
				break;
			
		}

	} else {
		if (psta_bmc->sleepq_len == 0) {
			
			/*DBG_871X("sleepq_len of bmc_sta = %d\n", psta_bmc->sleepq_len);*/
			
			if (pstapriv->tim_bitmap & BIT(0))
				update_tim = _TRUE;

			pstapriv->tim_bitmap &= ~BIT(0);
			pstapriv->sta_dz_bitmap &= ~BIT(0);

			if (update_tim == _TRUE) {
				DBG_871X("clear TIB\n");
				_update_beacon(padapter, _TIM_IE_, NULL, _TRUE, "bmc sleepq and HIQ empty");
			}			
		}
	}

	_exit_critical_bh(&pxmitpriv->lock, &irqL);

/*
	//HIQ Check
	rtw_hal_get_hwreg(padapter, HW_VAR_CHK_HI_QUEUE_EMPTY, &empty);

	while (_FALSE == empty && rtw_get_passing_time_ms(start) < 3000)
	{
		rtw_msleep_os(100);
		rtw_hal_get_hwreg(padapter, HW_VAR_CHK_HI_QUEUE_EMPTY, &empty);
	}


	printk("check if hiq empty=%d\n", empty);
*/

	return H2C_SUCCESS;
}

#ifdef CONFIG_NATIVEAP_MLME

static void associated_stainfo_update(_adapter *padapter, struct sta_info *psta, u32 sta_info_type)
{
	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);

	DBG_871X("%s: "MAC_FMT", updated_type=0x%x\n", __func__, MAC_ARG(psta->hwaddr), sta_info_type);
	
	if (sta_info_type & STA_INFO_UPDATE_BW) {

		if ((psta->flags & WLAN_STA_HT) && !psta->ht_20mhz_set) {
			if (pmlmepriv->sw_to_20mhz) {
				psta->bw_mode = CHANNEL_WIDTH_20;
				/*psta->htpriv.ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;*/
				psta->htpriv.sgi_40m = _FALSE;				
			} else {
				/*TODO: Switch back to 40MHZ?80MHZ*/
			}
		}		
	}

/*
	if (sta_info_type & STA_INFO_UPDATE_RATE) {
		
	}
*/	

	if (sta_info_type & STA_INFO_UPDATE_PROTECTION_MODE)
		VCS_update(padapter, psta);
	
/*
	if (sta_info_type & STA_INFO_UPDATE_CAP) {
		
	}

	if (sta_info_type & STA_INFO_UPDATE_HT_CAP) {
		
	}

	if (sta_info_type & STA_INFO_UPDATE_VHT_CAP) {
		
	}	
*/

}

static void update_bcn_ext_capab_ie(_adapter *padapter)
{
	sint ie_len = 0;
	unsigned char	*pbuf;
	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
	WLAN_BSSID_EX *pnetwork = &(pmlmeinfo->network);
	u8 *ie = pnetwork->IEs; 
	u8 null_extcap_data[8] = {0};
	
	pbuf = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _EXT_CAP_IE_, &ie_len, (pnetwork->IELength - _BEACON_IE_OFFSET_));
	if (pbuf && ie_len > 0)
		rtw_remove_bcn_ie(padapter, pnetwork, _EXT_CAP_IE_);

	if ((pmlmepriv->ext_capab_ie_len > 0) && 
		(_rtw_memcmp(pmlmepriv->ext_capab_ie_data, null_extcap_data, sizeof(null_extcap_data)) == _FALSE))
		rtw_add_bcn_ie(padapter, pnetwork, _EXT_CAP_IE_, pmlmepriv->ext_capab_ie_data, pmlmepriv->ext_capab_ie_len);
	
}

static void update_bcn_fixed_ie(_adapter *padapter)
{
	DBG_871X("%s\n", __FUNCTION__);

}

static void update_bcn_erpinfo_ie(_adapter *padapter)
{
	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
	WLAN_BSSID_EX *pnetwork = &(pmlmeinfo->network);
	unsigned char *p, *ie = pnetwork->IEs;
	u32 len = 0;

	DBG_871X("%s, ERP_enable=%d\n", __FUNCTION__, pmlmeinfo->ERP_enable);

	if(!pmlmeinfo->ERP_enable)
		return;

	//parsing ERP_IE
	p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &len, (pnetwork->IELength - _BEACON_IE_OFFSET_));
	if(p && len>0)
	{
		PNDIS_802_11_VARIABLE_IEs pIE = (PNDIS_802_11_VARIABLE_IEs)p;

		if (pmlmepriv->num_sta_non_erp == 1)
			pIE->data[0] |= RTW_ERP_INFO_NON_ERP_PRESENT|RTW_ERP_INFO_USE_PROTECTION;
		else
			pIE->data[0] &= ~(RTW_ERP_INFO_NON_ERP_PRESENT|RTW_ERP_INFO_USE_PROTECTION);

		if(pmlmepriv->num_sta_no_short_preamble > 0)
			pIE->data[0] |= RTW_ERP_INFO_BARKER_PREAMBLE_MODE;
		else
			pIE->data[0] &= ~(RTW_ERP_INFO_BARKER_PREAMBLE_MODE);
	
		ERP_IE_handler(padapter, pIE);
	}
	
}

static void update_bcn_htcap_ie(_adapter *padapter)
{
	DBG_871X("%s\n", __FUNCTION__);

}

static void update_bcn_htinfo_ie(_adapter *padapter)
{	
	/*
	u8 beacon_updated = _FALSE;
	u32 sta_info_update_type = STA_INFO_UPDATE_NONE;	
	*/
	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
	WLAN_BSSID_EX *pnetwork = &(pmlmeinfo->network);
	unsigned char *p, *ie = pnetwork->IEs;
	u32 len = 0;	

	if (pmlmepriv->htpriv.ht_option == _FALSE) 
		return;

	if (pmlmeinfo->HT_info_enable != 1)
		return;


	DBG_871X("%s current operation mode=0x%X\n",
		   __FUNCTION__, pmlmepriv->ht_op_mode);

	DBG_871X("num_sta_40mhz_intolerant(%d), 20mhz_width_req(%d), intolerant_ch_rpt(%d), olbc(%d)\n", 
					pmlmepriv->num_sta_40mhz_intolerant, pmlmepriv->ht_20mhz_width_req, pmlmepriv->ht_intolerant_ch_reported, pmlmepriv->olbc);

	/*parsing HT_INFO_IE, currently only update ht_op_mode - pht_info->infos[1] & pht_info->infos[2] for wifi logo test*/
	p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_ADD_INFO_IE_, &len, (pnetwork->IELength - _BEACON_IE_OFFSET_));
	if (p && len > 0) {
		struct HT_info_element *pht_info = NULL;
		
		pht_info = (struct HT_info_element *)(p + 2);		

		/* for STA Channel Width/Secondary Channel Offset*/
		if ((pmlmepriv->sw_to_20mhz == 0) && (pmlmeext->cur_channel <= 14)) {
			if ((pmlmepriv->num_sta_40mhz_intolerant > 0) || (pmlmepriv->ht_20mhz_width_req == _TRUE) 
				|| (pmlmepriv->ht_intolerant_ch_reported == _TRUE) || (pmlmepriv->olbc == _TRUE)) {
				SET_HT_OP_ELE_2ND_CHL_OFFSET(pht_info, 0);
				SET_HT_OP_ELE_STA_CHL_WIDTH(pht_info, 0);

				pmlmepriv->sw_to_20mhz = 1;
				/*
				sta_info_update_type |= STA_INFO_UPDATE_BW;
				beacon_updated = _TRUE;
				*/
	
				DBG_871X("%s:switching to 20Mhz\n", __FUNCTION__);	

				/*TODO : cur_bwmode/cur_ch_offset switches to 20Mhz*/
			}
		} else {

			if ((pmlmepriv->num_sta_40mhz_intolerant == 0) && (pmlmepriv->ht_20mhz_width_req == _FALSE) 
				&& (pmlmepriv->ht_intolerant_ch_reported == _FALSE) && (pmlmepriv->olbc == _FALSE)) {

				if (pmlmeext->cur_bwmode >= CHANNEL_WIDTH_40) {
					
					SET_HT_OP_ELE_STA_CHL_WIDTH(pht_info, 1);

					SET_HT_OP_ELE_2ND_CHL_OFFSET(pht_info, 
					(pmlmeext->cur_ch_offset == HAL_PRIME_CHNL_OFFSET_LOWER) ? 
						HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE : HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW);
					
					pmlmepriv->sw_to_20mhz = 0;
					/*
					sta_info_update_type |= STA_INFO_UPDATE_BW;
					beacon_updated = _TRUE;
					*/
					
					DBG_871X("%s:switching back to 40Mhz\n", __FUNCTION__);	
				}
			}
		}

		/* to update  ht_op_mode*/
		*(u16 *)(pht_info->infos + 1) = cpu_to_le16(pmlmepriv->ht_op_mode);
		
	}	

	/*associated_clients_update(padapter, beacon_updated, sta_info_update_type);*/

}

static void update_bcn_rsn_ie(_adapter *padapter)
{
	DBG_871X("%s\n", __FUNCTION__);

}

static void update_bcn_wpa_ie(_adapter *padapter)
{
	DBG_871X("%s\n", __FUNCTION__);

}

static void update_bcn_wmm_ie(_adapter *padapter)
{
	DBG_871X("%s\n", __FUNCTION__);
	
}

static void update_bcn_wps_ie(_adapter *padapter)
{
	u8 *pwps_ie=NULL, *pwps_ie_src, *premainder_ie, *pbackup_remainder_ie=NULL;
	uint wps_ielen=0, wps_offset, remainder_ielen;
	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
	WLAN_BSSID_EX *pnetwork = &(pmlmeinfo->network);
	unsigned char *ie = pnetwork->IEs;
	u32 ielen = pnetwork->IELength;


	DBG_871X("%s\n", __FUNCTION__);

	pwps_ie = rtw_get_wps_ie(ie+_FIXED_IE_LENGTH_, ielen-_FIXED_IE_LENGTH_, NULL, &wps_ielen);
	
	if(pwps_ie==NULL || wps_ielen==0)
		return;

	pwps_ie_src = pmlmepriv->wps_beacon_ie;
	if(pwps_ie_src == NULL)
		return;

	wps_offset = (uint)(pwps_ie-ie);

	premainder_ie = pwps_ie + wps_ielen;

	remainder_ielen = ielen - wps_offset - wps_ielen;

	if(remainder_ielen>0)
	{
		pbackup_remainder_ie = rtw_malloc(remainder_ielen);
		if(pbackup_remainder_ie)
			_rtw_memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
	}

	wps_ielen = (uint)pwps_ie_src[1];//to get ie data len
	if((wps_offset+wps_ielen+2+remainder_ielen)<=MAX_IE_SZ)
	{
		_rtw_memcpy(pwps_ie, pwps_ie_src, wps_ielen+2);
		pwps_ie += (wps_ielen+2);

		if(pbackup_remainder_ie)
			_rtw_memcpy(pwps_ie, pbackup_remainder_ie, remainder_ielen);

		//update IELength
		pnetwork->IELength = wps_offset + (wps_ielen+2) + remainder_ielen;
	}

	if(pbackup_remainder_ie)
		rtw_mfree(pbackup_remainder_ie, remainder_ielen);
	
	// deal with the case without set_tx_beacon_cmd() in update_beacon() 
#if defined( CONFIG_INTERRUPT_BASED_TXBCN ) || defined( CONFIG_PCI_HCI )
	if( (pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)
	{
		u8 sr = 0;
		rtw_get_wps_attr_content(pwps_ie_src,  wps_ielen, WPS_ATTR_SELECTED_REGISTRAR, (u8*)(&sr), NULL);
	
		if( sr ) {
			set_fwstate(pmlmepriv, WIFI_UNDER_WPS);
			DBG_871X("%s, set WIFI_UNDER_WPS\n", __func__);
		}
	}
#endif
}

static void update_bcn_p2p_ie(_adapter *padapter)
{

}

static void update_bcn_vendor_spec_ie(_adapter *padapter, u8*oui)
{
	DBG_871X("%s\n", __FUNCTION__);

	if(_rtw_memcmp(RTW_WPA_OUI, oui, 4))
	{
		update_bcn_wpa_ie(padapter);
	}
	else if(_rtw_memcmp(WMM_OUI, oui, 4))
	{
		update_bcn_wmm_ie(padapter);
	}
	else if(_rtw_memcmp(WPS_OUI, oui, 4))
	{
		update_bcn_wps_ie(padapter);
	}
	else if(_rtw_memcmp(P2P_OUI, oui, 4))
	{
		update_bcn_p2p_ie(padapter);
	}
	else
	{
		DBG_871X("unknown OUI type!\n");
 	}
	
	
}

void _update_beacon(_adapter *padapter, u8 ie_id, u8 *oui, u8 tx, const char *tag)
{
	_irqL irqL;
	struct mlme_priv *pmlmepriv;
	struct mlme_ext_priv	*pmlmeext;
	//struct mlme_ext_info	*pmlmeinfo;
	
	//DBG_871X("%s\n", __FUNCTION__);

	if(!padapter)
		return;

	pmlmepriv = &(padapter->mlmepriv);
	pmlmeext = &(padapter->mlmeextpriv);
	//pmlmeinfo = &(pmlmeext->mlmext_info);

	if(_FALSE == pmlmeext->bstart_bss)
		return;

	_enter_critical_bh(&pmlmepriv->bcn_update_lock, &irqL);

	switch(ie_id)
	{
		case 0xFF:

			update_bcn_fixed_ie(padapter);//8: TimeStamp, 2: Beacon Interval 2:Capability
			
			break;
	
		case _TIM_IE_:
			
			update_BCNTIM(padapter);
			
			break;

		case _ERPINFO_IE_:

			update_bcn_erpinfo_ie(padapter);

			break;

		case _HT_CAPABILITY_IE_:

			update_bcn_htcap_ie(padapter);
			
			break;

		case _RSN_IE_2_:

			update_bcn_rsn_ie(padapter);

			break;
			
		case _HT_ADD_INFO_IE_:

			update_bcn_htinfo_ie(padapter);
			
			break;
	
		case _EXT_CAP_IE_:

			update_bcn_ext_capab_ie(padapter);

			break;
	
		case _VENDOR_SPECIFIC_IE_:

			update_bcn_vendor_spec_ie(padapter, oui);
			
			break;
			
		default:
			break;
	}

	pmlmepriv->update_bcn = _TRUE;
	
	_exit_critical_bh(&pmlmepriv->bcn_update_lock, &irqL);		
	
#ifndef CONFIG_INTERRUPT_BASED_TXBCN 
#if defined(CONFIG_USB_HCI) || defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI)
	if(tx)
	{
		//send_beacon(padapter);//send_beacon must execute on TSR level
		if (0)
			DBG_871X(FUNC_ADPT_FMT" ie_id:%u - %s\n", FUNC_ADPT_ARG(padapter), ie_id, tag);
		set_tx_beacon_cmd(padapter);
	}
#else
	{	
		//PCI will issue beacon when BCN interrupt occurs.		
	}
#endif
#endif //!CONFIG_INTERRUPT_BASED_TXBCN
	
}

#ifdef CONFIG_80211N_HT

void rtw_process_public_act_bsscoex(_adapter *padapter, u8 *pframe, uint frame_len)
{
	struct sta_info *psta;
	struct sta_priv *pstapriv = &padapter->stapriv;
	u8 beacon_updated = _FALSE;
	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
	u8 *frame_body = pframe + sizeof(struct rtw_ieee80211_hdr_3addr);	
	uint frame_body_len = frame_len - sizeof(struct rtw_ieee80211_hdr_3addr);
	u8 category, action;

	psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe));
	if (psta == NULL) 
		return;


	category = frame_body[0];
	action = frame_body[1];

	if (frame_body_len > 0) {
		if ((frame_body[2] == EID_BSSCoexistence) && (frame_body[3] > 0)) {			
			u8 ie_data = frame_body[4];

			if (ie_data & RTW_WLAN_20_40_BSS_COEX_40MHZ_INTOL) {
				if (psta->ht_40mhz_intolerant == 0) {				
					psta->ht_40mhz_intolerant = 1;
					pmlmepriv->num_sta_40mhz_intolerant++;
					beacon_updated = _TRUE;
				}	
			} else if (ie_data & RTW_WLAN_20_40_BSS_COEX_20MHZ_WIDTH_REQ)	{				
				if (pmlmepriv->ht_20mhz_width_req == _FALSE) {				
					pmlmepriv->ht_20mhz_width_req = _TRUE;			
					beacon_updated = _TRUE;
				}	
			} else
				beacon_updated = _FALSE;
		}		
	}

	if (frame_body_len > 8) {
		/* if EID_BSSIntolerantChlReport ie exists */
		if ((frame_body[5] == EID_BSSIntolerantChlReport) && (frame_body[6] > 0)) {
			/*todo:*/
			if (pmlmepriv->ht_intolerant_ch_reported == _FALSE) {				
				pmlmepriv->ht_intolerant_ch_reported = _TRUE;			
				beacon_updated = _TRUE;
			}
		}			
	}

	if (beacon_updated) {
		
		update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, _TRUE);
	
		associated_stainfo_update(padapter, psta, STA_INFO_UPDATE_BW);
	}

	
	
}

void rtw_process_ht_action_smps(_adapter *padapter, u8 *ta, u8 ctrl_field)
{
	u8 e_field, m_field;
	struct sta_info *psta;
	struct sta_priv *pstapriv = &padapter->stapriv;

	psta = rtw_get_stainfo(pstapriv, ta);
	if (psta == NULL) 
		return;

	e_field = (ctrl_field & BIT(0)) ? 1 : 0;
	m_field = (ctrl_field & BIT(1)) ? 1 : 0;	

	if (e_field) {

		/* enable */
		/* 0:static SMPS, 1:dynamic SMPS, 3:SMPS disabled, 2:reserved*/
		 
		if (m_field) /*mode*/
			psta->htpriv.smps_cap = 1;
		else
			psta->htpriv.smps_cap = 0;
	} else {
		/*disable*/
		psta->htpriv.smps_cap = 3;
	}

	rtw_dm_ra_mask_wk_cmd(padapter, (u8 *)psta);

}

/*
op_mode
Set to 0 (HT pure) under the followign conditions
	- all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or
	- all STAs in the BSS are 20 MHz HT in 20 MHz BSS
Set to 1 (HT non-member protection) if there may be non-HT STAs
	in both the primary and the secondary channel
Set to 2 if only HT STAs are associated in BSS,
	however and at least one 20 MHz HT STA is associated
Set to 3 (HT mixed mode) when one or more non-HT STAs are associated
	(currently non-GF HT station is considered as non-HT STA also)
*/
static int rtw_ht_operation_update(_adapter *padapter)
{
	u16 cur_op_mode, new_op_mode;
	int op_mode_changes = 0;
	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
	struct ht_priv	*phtpriv_ap = &pmlmepriv->htpriv;

	if (pmlmepriv->htpriv.ht_option == _FALSE) 
		return 0;
	
	/*if (!iface->conf->ieee80211n || iface->conf->ht_op_mode_fixed)
		return 0;*/

	DBG_871X("%s current operation mode=0x%X\n",
		   __FUNCTION__, pmlmepriv->ht_op_mode);

	if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT)
	    && pmlmepriv->num_sta_ht_no_gf) {
		pmlmepriv->ht_op_mode |=
			HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
		op_mode_changes++;
	} else if ((pmlmepriv->ht_op_mode &
		    HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) &&
		   pmlmepriv->num_sta_ht_no_gf == 0) {
		pmlmepriv->ht_op_mode &=
			~HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
		op_mode_changes++;
	}

	if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
	    (pmlmepriv->num_sta_no_ht || pmlmepriv->olbc_ht)) {
		pmlmepriv->ht_op_mode |= HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
		op_mode_changes++;
	} else if ((pmlmepriv->ht_op_mode &
		    HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
		   (pmlmepriv->num_sta_no_ht == 0 && !pmlmepriv->olbc_ht)) {
		pmlmepriv->ht_op_mode &=
			~HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
		op_mode_changes++;
	}

	/* Note: currently we switch to the MIXED op mode if HT non-greenfield
	 * station is associated. Probably it's a theoretical case, since
	 * it looks like all known HT STAs support greenfield.
	 */
	new_op_mode = 0;
	if (pmlmepriv->num_sta_no_ht /*||
	    (pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT)*/)
		new_op_mode = OP_MODE_MIXED;
	else if ((phtpriv_ap->ht_cap.cap_info & IEEE80211_HT_CAP_SUP_WIDTH)
		 && pmlmepriv->num_sta_ht_20mhz)
		new_op_mode = OP_MODE_20MHZ_HT_STA_ASSOCED;
	else if (pmlmepriv->olbc_ht)
		new_op_mode = OP_MODE_MAY_BE_LEGACY_STAS;
	else
		new_op_mode = OP_MODE_PURE;

	cur_op_mode = pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_OP_MODE_MASK;
	if (cur_op_mode != new_op_mode) {
		pmlmepriv->ht_op_mode &= ~HT_INFO_OPERATION_MODE_OP_MODE_MASK;
		pmlmepriv->ht_op_mode |= new_op_mode;
		op_mode_changes++;
	}

	DBG_871X("%s new operation mode=0x%X changes=%d\n",
		   __FUNCTION__, pmlmepriv->ht_op_mode, op_mode_changes);

	return op_mode_changes;
	
}

#endif /* CONFIG_80211N_HT */

void associated_clients_update(_adapter *padapter, u8 updated, u32 sta_info_type)
{
	//update associcated stations cap.
	if(updated == _TRUE)
	{
		_irqL irqL;
		_list	*phead, *plist;
		struct sta_info *psta=NULL;	
		struct sta_priv *pstapriv = &padapter->stapriv;
			
		_enter_critical_bh(&pstapriv->asoc_list_lock, &irqL);
		
		phead = &pstapriv->asoc_list;
		plist = get_next(phead);
		
		//check asoc_queue
		while ((rtw_end_of_queue_search(phead, plist)) == _FALSE)	
		{
			psta = LIST_CONTAINOR(plist, struct sta_info, asoc_list);
		
			plist = get_next(plist);

			associated_stainfo_update(padapter, psta, sta_info_type);			
		}

		_exit_critical_bh(&pstapriv->asoc_list_lock, &irqL);

	}		

}

/* called > TSR LEVEL for USB or SDIO Interface*/
void bss_cap_update_on_sta_join(_adapter *padapter, struct sta_info *psta)
{
	u8 beacon_updated = _FALSE;
	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);

	
#if 0
	if (!(psta->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) &&
	    !psta->no_short_preamble_set) {
		psta->no_short_preamble_set = 1;
		pmlmepriv->num_sta_no_short_preamble++;
		if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) && 
		     (pmlmepriv->num_sta_no_short_preamble == 1))
			ieee802_11_set_beacons(hapd->iface);
	}
#endif


	if(!(psta->flags & WLAN_STA_SHORT_PREAMBLE))	
	{
		if(!psta->no_short_preamble_set)
		{
			psta->no_short_preamble_set = 1;
			
			pmlmepriv->num_sta_no_short_preamble++;
			
			if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) && 
		     		(pmlmepriv->num_sta_no_short_preamble == 1))
			{
				beacon_updated = _TRUE;
				update_beacon(padapter, 0xFF, NULL, _TRUE);
			}	
			
		}
	}
	else
	{
		if(psta->no_short_preamble_set)
		{
			psta->no_short_preamble_set = 0;
			
			pmlmepriv->num_sta_no_short_preamble--;
			
			if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) && 
		     		(pmlmepriv->num_sta_no_short_preamble == 0))
			{
				beacon_updated = _TRUE;
				update_beacon(padapter, 0xFF, NULL, _TRUE);
			}	
			
		}
	}

#if 0
	if (psta->flags & WLAN_STA_NONERP && !psta->nonerp_set) {
		psta->nonerp_set = 1;
		pmlmepriv->num_sta_non_erp++;
		if (pmlmepriv->num_sta_non_erp == 1)
			ieee802_11_set_beacons(hapd->iface);
	}
#endif

	if(psta->flags & WLAN_STA_NONERP)
	{
		if(!psta->nonerp_set)
		{
			psta->nonerp_set = 1;
			
			pmlmepriv->num_sta_non_erp++;
			
			if (pmlmepriv->num_sta_non_erp == 1)
			{
				beacon_updated = _TRUE;
				update_beacon(padapter, _ERPINFO_IE_, NULL, _TRUE);
			}	
		}
		
	}
	else
	{
		if(psta->nonerp_set)
		{
			psta->nonerp_set = 0;
			
			pmlmepriv->num_sta_non_erp--;
			
			if (pmlmepriv->num_sta_non_erp == 0)
			{
				beacon_updated = _TRUE;
				update_beacon(padapter, _ERPINFO_IE_, NULL, _TRUE);
			}	
		}
		
	}


#if 0
	if (!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT) &&
	    !psta->no_short_slot_time_set) {
		psta->no_short_slot_time_set = 1;
		pmlmepriv->num_sta_no_short_slot_time++;
		if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
		    (pmlmepriv->num_sta_no_short_slot_time == 1))
			ieee802_11_set_beacons(hapd->iface);
	}
#endif

	if(!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT))
	{
		if(!psta->no_short_slot_time_set)
		{
			psta->no_short_slot_time_set = 1;
			
			pmlmepriv->num_sta_no_short_slot_time++;
			
			if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
		   		 (pmlmepriv->num_sta_no_short_slot_time == 1))
			{
				beacon_updated = _TRUE;
				update_beacon(padapter, 0xFF, NULL, _TRUE);
			}			
			
		}
	}
	else
	{
		if(psta->no_short_slot_time_set)
		{
			psta->no_short_slot_time_set = 0;
			
			pmlmepriv->num_sta_no_short_slot_time--;
			
			if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
		   		 (pmlmepriv->num_sta_no_short_slot_time == 0))
			{
				beacon_updated = _TRUE;
				update_beacon(padapter, 0xFF, NULL, _TRUE);
			}			
		}
	}	
	
#ifdef CONFIG_80211N_HT

	if (psta->flags & WLAN_STA_HT) 
	{
		u16 ht_capab = le16_to_cpu(psta->htpriv.ht_cap.cap_info);
			
		DBG_871X("HT: STA " MAC_FMT " HT Capabilities "
			   "Info: 0x%04x\n", MAC_ARG(psta->hwaddr), ht_capab);

		if (psta->no_ht_set) {
			psta->no_ht_set = 0;
			pmlmepriv->num_sta_no_ht--;
		}
		
		if ((ht_capab & IEEE80211_HT_CAP_GRN_FLD) == 0) {
			if (!psta->no_ht_gf_set) {
				psta->no_ht_gf_set = 1;
				pmlmepriv->num_sta_ht_no_gf++;
			}
			DBG_871X("%s STA " MAC_FMT " - no "
				   "greenfield, num of non-gf stations %d\n",
				   __FUNCTION__, MAC_ARG(psta->hwaddr),
				   pmlmepriv->num_sta_ht_no_gf);
		}
		
		if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH) == 0) {
			if (!psta->ht_20mhz_set) {
				psta->ht_20mhz_set = 1;
				pmlmepriv->num_sta_ht_20mhz++;
			}
			DBG_871X("%s STA " MAC_FMT " - 20 MHz HT, "
				   "num of 20MHz HT STAs %d\n",
				   __FUNCTION__, MAC_ARG(psta->hwaddr),
				   pmlmepriv->num_sta_ht_20mhz);
		}
		

		if (ht_capab & RTW_IEEE80211_HT_CAP_40MHZ_INTOLERANT) {

			if (!psta->ht_40mhz_intolerant) {
				psta->ht_40mhz_intolerant = 1;
				pmlmepriv->num_sta_40mhz_intolerant++;
				DBG_871X("%s STA " MAC_FMT " - HT_CAP_40MHZ_INTOLERANT is set\n" ,
				   __FUNCTION__, MAC_ARG(psta->hwaddr));
				beacon_updated = _TRUE;
			}
				
/*
			if (pmlmepriv->ht_40mhz_intolerant == _FALSE) {
				
				pmlmepriv->ht_40mhz_intolerant = _TRUE;				
			
				DBG_871X("%s STA " MAC_FMT " - HT_CAP_40MHZ_INTOLERANT is set\n" ,
				   __FUNCTION__, MAC_ARG(psta->hwaddr));

				beacon_updated = _TRUE;
			}
*/			

			/*update ext_capab_ie_len & ext_capab_ie_data for beacon, probersp, assocrsp.*/
			if (pmlmepriv->ext_capab_ie_len == 0)
				pmlmepriv->ext_capab_ie_len = 1;
			SET_EXT_CAPABILITY_ELE_BSS_COEXIST(pmlmepriv->ext_capab_ie_data, 1);

			update_beacon(padapter, _EXT_CAP_IE_, NULL, _FALSE);
		}		
		
	} 
	else 
	{
		if (!psta->no_ht_set) {
			psta->no_ht_set = 1;
			pmlmepriv->num_sta_no_ht++;
		}
		if(pmlmepriv->htpriv.ht_option == _TRUE) {		
			DBG_871X("%s STA " MAC_FMT
				   " - no HT, num of non-HT stations %d\n",
				   __FUNCTION__, MAC_ARG(psta->hwaddr),
				   pmlmepriv->num_sta_no_ht);
		}
	}

	if (rtw_ht_operation_update(padapter) > 0) {
		update_beacon(padapter, _HT_CAPABILITY_IE_, NULL, _FALSE);
		update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, _TRUE);
		/*beacon_updated = _TRUE;*/
	}	
	
#endif /* CONFIG_80211N_HT */

	//update associcated stations cap.
	associated_clients_update(padapter,  beacon_updated, STA_INFO_UPDATE_ALL);

	DBG_871X("%s, updated=%d\n", __func__, beacon_updated);

}

u8 bss_cap_update_on_sta_leave(_adapter *padapter, struct sta_info *psta)
{
	u8 beacon_updated = _FALSE;
	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);

	if(!psta)
		return beacon_updated;

	if (psta->no_short_preamble_set) {
		psta->no_short_preamble_set = 0;
		pmlmepriv->num_sta_no_short_preamble--;
		if (pmlmeext->cur_wireless_mode > WIRELESS_11B
		    && pmlmepriv->num_sta_no_short_preamble == 0)
		{
			beacon_updated = _TRUE;
			update_beacon(padapter, 0xFF, NULL, _TRUE);
		}	
	}	

	if (psta->nonerp_set) {
		psta->nonerp_set = 0;		
		pmlmepriv->num_sta_non_erp--;
		if (pmlmepriv->num_sta_non_erp == 0)
		{
			beacon_updated = _TRUE;
			update_beacon(padapter, _ERPINFO_IE_, NULL, _TRUE);
		}	
	}

	if (psta->no_short_slot_time_set) {
		psta->no_short_slot_time_set = 0;
		pmlmepriv->num_sta_no_short_slot_time--;
		if (pmlmeext->cur_wireless_mode > WIRELESS_11B
		    && pmlmepriv->num_sta_no_short_slot_time == 0)
		{
			beacon_updated = _TRUE;
			update_beacon(padapter, 0xFF, NULL, _TRUE);
		}	
	}
	
#ifdef CONFIG_80211N_HT

	if (psta->no_ht_gf_set) {
		psta->no_ht_gf_set = 0;
		pmlmepriv->num_sta_ht_no_gf--;
	}

	if (psta->no_ht_set) {
		psta->no_ht_set = 0;
		pmlmepriv->num_sta_no_ht--;
	}

	if (psta->ht_20mhz_set) {
		psta->ht_20mhz_set = 0;
		pmlmepriv->num_sta_ht_20mhz--;
	}

	if (psta->ht_40mhz_intolerant) {
		psta->ht_40mhz_intolerant = 0;
		pmlmepriv->num_sta_40mhz_intolerant--;

		/*update ext_capab_ie_len & ext_capab_ie_data for beacon, probersp, assocrsp.*/
		if ((pmlmepriv->ext_capab_ie_len > 0) && (pmlmepriv->num_sta_40mhz_intolerant == 0)) {
			SET_EXT_CAPABILITY_ELE_BSS_COEXIST(pmlmepriv->ext_capab_ie_data, 0);
			update_beacon(padapter, _EXT_CAP_IE_, NULL, _FALSE);
		}
		
		beacon_updated = _TRUE;

		update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, _FALSE);
	}

	if (rtw_ht_operation_update(padapter) > 0) {
		update_beacon(padapter, _HT_CAPABILITY_IE_, NULL, _FALSE);
		update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, _TRUE);
	}
	
#endif /* CONFIG_80211N_HT */

	/* update associated stations cap.
	associated_clients_update(padapter,  beacon_updated, STA_INFO_UPDATE_ALL); //move it to avoid deadlock
	*/
	
	DBG_871X("%s, updated=%d\n", __func__, beacon_updated);

	return beacon_updated;

}

u8 ap_free_sta(_adapter *padapter, struct sta_info *psta, bool active, u16 reason, bool enqueue)
{
	_irqL irqL;
	u8 beacon_updated = _FALSE;
	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
	struct sta_priv *pstapriv = &padapter->stapriv;

	if(!psta)
		return beacon_updated;

	if (active == _TRUE)
	{
#ifdef CONFIG_80211N_HT
		//tear down Rx AMPDU
		send_delba(padapter, 0, psta->hwaddr);// recipient
	
		//tear down TX AMPDU
		send_delba(padapter, 1, psta->hwaddr);// // originator
		
#endif //CONFIG_80211N_HT

		issue_deauth(padapter, psta->hwaddr, reason);
	}

#ifdef CONFIG_BEAMFORMING
	beamforming_wk_cmd(padapter, BEAMFORMING_CTRL_LEAVE, psta->hwaddr, ETH_ALEN, 1);
#endif

	psta->htpriv.agg_enable_bitmap = 0x0;//reset
	psta->htpriv.candidate_tid_bitmap = 0x0;//reset

	//clear cam entry / key
	rtw_clearstakey_cmd(padapter, psta, enqueue);


	_enter_critical_bh(&psta->lock, &irqL);
	psta->state &= ~_FW_LINKED;
	_exit_critical_bh(&psta->lock, &irqL);

	#ifdef CONFIG_IOCTL_CFG80211
	if (1) {
		#ifdef COMPAT_KERNEL_RELEASE
		rtw_cfg80211_indicate_sta_disassoc(padapter, psta->hwaddr, reason);
		#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) && !defined(CONFIG_CFG80211_FORCE_COMPATIBLE_2_6_37_UNDER)
		rtw_cfg80211_indicate_sta_disassoc(padapter, psta->hwaddr, reason);
		#else //(LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) && !defined(CONFIG_CFG80211_FORCE_COMPATIBLE_2_6_37_UNDER)
		/* will call rtw_cfg80211_indicate_sta_disassoc() in cmd_thread for old API context */
		#endif //(LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) && !defined(CONFIG_CFG80211_FORCE_COMPATIBLE_2_6_37_UNDER)
	} else
	#endif //CONFIG_IOCTL_CFG80211
	{
		rtw_indicate_sta_disassoc_event(padapter, psta);
	}

	report_del_sta_event(padapter, psta->hwaddr, reason, enqueue);

	beacon_updated = bss_cap_update_on_sta_leave(padapter, psta);

	//_enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL);					
	rtw_free_stainfo(padapter, psta);
	//_exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL);
	

	return beacon_updated;

}

int rtw_ap_inform_ch_switch(_adapter *padapter, u8 new_ch, u8 ch_offset)
{
	_irqL irqL;
	_list	*phead, *plist;
	int ret=0;	
	struct sta_info *psta = NULL;	
	struct sta_priv *pstapriv = &padapter->stapriv;
	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
	u8 bc_addr[ETH_ALEN] = {0xff,0xff,0xff,0xff,0xff,0xff};

	if((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
		return ret;

	DBG_871X(FUNC_NDEV_FMT" with ch:%u, offset:%u\n",
		FUNC_NDEV_ARG(padapter->pnetdev), new_ch, ch_offset);

	_enter_critical_bh(&pstapriv->asoc_list_lock, &irqL);
	phead = &pstapriv->asoc_list;
	plist = get_next(phead);
	
	/* for each sta in asoc_queue */
	while ((rtw_end_of_queue_search(phead, plist)) == _FALSE)	
	{		
		psta = LIST_CONTAINOR(plist, struct sta_info, asoc_list);
		plist = get_next(plist);

		issue_action_spct_ch_switch(padapter, psta->hwaddr, new_ch, ch_offset);
		psta->expire_to = ((pstapriv->expire_to * 2) > 5) ? 5 : (pstapriv->expire_to * 2);
	}
	_exit_critical_bh(&pstapriv->asoc_list_lock, &irqL);

	issue_action_spct_ch_switch(padapter, bc_addr, new_ch, ch_offset);

	return ret;
}

int rtw_sta_flush(_adapter *padapter, bool enqueue)
{
	_irqL irqL;
	_list	*phead, *plist;
	int ret = 0;
	struct sta_info *psta = NULL;	
	struct sta_priv *pstapriv = &padapter->stapriv;
	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
	u8 bc_addr[ETH_ALEN] = {0xff,0xff,0xff,0xff,0xff,0xff};
	u8 flush_num = 0;
	char flush_list[NUM_STA];
	int i;

	if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
		return ret;

	DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(padapter->pnetdev));

	/* pick sta from sta asoc_queue */
	_enter_critical_bh(&pstapriv->asoc_list_lock, &irqL);
	phead = &pstapriv->asoc_list;
	plist = get_next(phead);
	while ((rtw_end_of_queue_search(phead, plist)) == _FALSE) {
		int stainfo_offset;

		psta = LIST_CONTAINOR(plist, struct sta_info, asoc_list);
		plist = get_next(plist);

		rtw_list_delete(&psta->asoc_list);
		pstapriv->asoc_list_cnt--;

		stainfo_offset = rtw_stainfo_offset(pstapriv, psta);
		if (stainfo_offset_valid(stainfo_offset))
			flush_list[flush_num++] = stainfo_offset;
		else
			rtw_warn_on(1);
	}
	_exit_critical_bh(&pstapriv->asoc_list_lock, &irqL);

	/* call ap_free_sta() for each sta picked */
	for (i = 0; i < flush_num; i++) {
		psta = rtw_get_stainfo_by_offset(pstapriv, flush_list[i]);
		ap_free_sta(padapter, psta, _TRUE, WLAN_REASON_DEAUTH_LEAVING, enqueue);
	}

	issue_deauth(padapter, bc_addr, WLAN_REASON_DEAUTH_LEAVING);

	associated_clients_update(padapter, _TRUE, STA_INFO_UPDATE_ALL);

	return ret;
}

/* called > TSR LEVEL for USB or SDIO Interface*/
void sta_info_update(_adapter *padapter, struct sta_info *psta)
{	
	int flags = psta->flags;
	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
	
				
	//update wmm cap.
	if(WLAN_STA_WME&flags)
		psta->qos_option = 1;
	else
		psta->qos_option = 0;

	if(pmlmepriv->qospriv.qos_option == 0)	
		psta->qos_option = 0;

		
#ifdef CONFIG_80211N_HT		
	//update 802.11n ht cap.
	if(WLAN_STA_HT&flags)
	{
		psta->htpriv.ht_option = _TRUE;
		psta->qos_option = 1;	

		psta->htpriv.smps_cap = (psta->htpriv.ht_cap.cap_info & IEEE80211_HT_CAP_SM_PS)>>2;
	}
	else		
	{
		psta->htpriv.ht_option = _FALSE;
	}
		
	if(pmlmepriv->htpriv.ht_option == _FALSE)	
		psta->htpriv.ht_option = _FALSE;
#endif

#ifdef CONFIG_80211AC_VHT
	//update 802.11AC vht cap.
	if(WLAN_STA_VHT&flags)
	{
		psta->vhtpriv.vht_option = _TRUE;
	}
	else		
	{
		psta->vhtpriv.vht_option = _FALSE;
	}

	if(pmlmepriv->vhtpriv.vht_option == _FALSE)
		psta->vhtpriv.vht_option = _FALSE;
#endif	


	update_sta_info_apmode(padapter, psta);
		

}

/* called >= TSR LEVEL for USB or SDIO Interface*/
void ap_sta_info_defer_update(_adapter *padapter, struct sta_info *psta)
{
	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);

	if(psta->state & _FW_LINKED)
	{
		pmlmeinfo->FW_sta_info[psta->mac_id].psta = psta;
	
		//add ratid
		add_RATid(padapter, psta, 0);//DM_RATR_STA_INIT
	}	
}
/* restore hw setting from sw data structures */
void rtw_ap_restore_network(_adapter *padapter)
{
	struct mlme_priv *mlmepriv = &padapter->mlmepriv;
	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
	struct sta_priv * pstapriv = &padapter->stapriv;
	struct sta_info *psta;
	struct security_priv* psecuritypriv=&(padapter->securitypriv);
	_irqL irqL;
	_list	*phead, *plist;
	u8 chk_alive_num = 0;
	char chk_alive_list[NUM_STA];
	int i;

	rtw_setopmode_cmd(padapter, Ndis802_11APMode,_FALSE);

	set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);

	rtw_startbss_cmd(padapter, RTW_CMDF_DIRECTLY);

	if((padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_) ||
		(padapter->securitypriv.dot11PrivacyAlgrthm == _AES_))
	{
		/* restore group key, WEP keys is restored in ips_leave() */
		rtw_set_key(padapter, psecuritypriv, psecuritypriv->dot118021XGrpKeyid, 0,_FALSE);
	}

	_enter_critical_bh(&pstapriv->asoc_list_lock, &irqL);
	
	phead = &pstapriv->asoc_list;
	plist = get_next(phead);

	while ((rtw_end_of_queue_search(phead, plist)) == _FALSE) {
		int stainfo_offset;

		psta = LIST_CONTAINOR(plist, struct sta_info, asoc_list);
		plist = get_next(plist);

		stainfo_offset = rtw_stainfo_offset(pstapriv, psta);
		if (stainfo_offset_valid(stainfo_offset)) {
			chk_alive_list[chk_alive_num++] = stainfo_offset;
		}
	}

	_exit_critical_bh(&pstapriv->asoc_list_lock, &irqL);

	for (i = 0; i < chk_alive_num; i++) {
		psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]);

		if (psta == NULL) {
			DBG_871X(FUNC_ADPT_FMT" sta_info is null\n", FUNC_ADPT_ARG(padapter));
		} else if (psta->state &_FW_LINKED) {
			rtw_sta_media_status_rpt(padapter, psta, 1);
			Update_RA_Entry(padapter, psta);
			//pairwise key
			/* per sta pairwise key and settings */
			if(	(padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_) ||
				(padapter->securitypriv.dot11PrivacyAlgrthm == _AES_))
			{
				rtw_setstakey_cmd(padapter, psta, UNICAST_KEY,_FALSE);
			}			
		}
	}

}

void start_ap_mode(_adapter *padapter)
{
	int i;
	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
	struct sta_priv *pstapriv = &padapter->stapriv;
	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
	struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
	
	pmlmepriv->update_bcn = _FALSE;
	
	/*init_mlme_ap_info(padapter);*/
	
	pmlmeext->bstart_bss = _FALSE;

	pmlmepriv->num_sta_non_erp = 0;

	pmlmepriv->num_sta_no_short_slot_time = 0;

	pmlmepriv->num_sta_no_short_preamble = 0;

	pmlmepriv->num_sta_ht_no_gf = 0;
#ifdef CONFIG_80211N_HT
	pmlmepriv->num_sta_no_ht = 0;
#endif //CONFIG_80211N_HT
	pmlmeinfo->HT_info_enable = 0;
	pmlmeinfo->HT_caps_enable = 0;
	pmlmeinfo->HT_enable = 0;
	
	pmlmepriv->num_sta_ht_20mhz = 0;
	pmlmepriv->num_sta_40mhz_intolerant = 0;
	pmlmepriv->olbc = _FALSE;
	pmlmepriv->olbc_ht = _FALSE;
	
#ifdef CONFIG_80211N_HT
	pmlmepriv->ht_20mhz_width_req = _FALSE;
	pmlmepriv->ht_intolerant_ch_reported = _FALSE;
	pmlmepriv->ht_op_mode = 0;
	pmlmepriv->sw_to_20mhz = 0;
#endif

	_rtw_memset(pmlmepriv->ext_capab_ie_data, 0, sizeof(pmlmepriv->ext_capab_ie_data));
	pmlmepriv->ext_capab_ie_len = 0;

	for (i = 0 ;  i < NUM_STA ; i++)
		pstapriv->sta_aid[i] = NULL;

/* to avoid memory leak issue, don't set to NULL directly
	pmlmepriv->wps_beacon_ie = NULL;	
	pmlmepriv->wps_probe_resp_ie = NULL;
	pmlmepriv->wps_assoc_resp_ie = NULL;
	
	pmlmepriv->p2p_beacon_ie = NULL;
	pmlmepriv->p2p_probe_resp_ie = NULL;
*/
	
	//for ACL 
	_rtw_init_listhead(&(pacl_list->acl_node_q.queue));
	pacl_list->num = 0;
	pacl_list->mode = 0;
	for(i = 0; i < NUM_ACL; i++)
	{		
		_rtw_init_listhead(&pacl_list->aclnode[i].list);
		pacl_list->aclnode[i].valid = _FALSE;
	}

}

void stop_ap_mode(_adapter *padapter)
{
	_irqL irqL;
	_list	*phead, *plist;
	struct rtw_wlan_acl_node *paclnode;
	struct sta_info *psta=NULL;
	struct sta_priv *pstapriv = &padapter->stapriv;
	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;	
	struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
	_queue	*pacl_node_q =&pacl_list->acl_node_q;	

	pmlmepriv->update_bcn = _FALSE;
	pmlmeext->bstart_bss = _FALSE;
	padapter->netif_up = _FALSE;
	//_rtw_spinlock_free(&pmlmepriv->bcn_update_lock);
	
	//reset and init security priv , this can refine with rtw_reset_securitypriv
	_rtw_memset((unsigned char *)&padapter->securitypriv, 0, sizeof (struct security_priv));
	padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
	padapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;

	#ifdef CONFIG_DFS_MASTER
	rtw_dfs_master_status_apply(padapter, MLME_AP_STOPPED);
	#endif

	/* free scan queue */
	rtw_free_network_queue(padapter, _TRUE);

	//for ACL
	_enter_critical_bh(&(pacl_node_q->lock), &irqL);
	phead = get_list_head(pacl_node_q);
	plist = get_next(phead);		
	while ((rtw_end_of_queue_search(phead, plist)) == _FALSE)
	{
		paclnode = LIST_CONTAINOR(plist, struct rtw_wlan_acl_node, list);
		plist = get_next(plist);

		if(paclnode->valid == _TRUE)
		{
			paclnode->valid = _FALSE;

			rtw_list_delete(&paclnode->list);
				
			pacl_list->num--;		
		}		
	}	
	_exit_critical_bh(&(pacl_node_q->lock), &irqL);
	
	DBG_871X("%s, free acl_node_queue, num=%d\n", __func__, pacl_list->num);
	
	rtw_sta_flush(padapter, _TRUE);

	//free_assoc_sta_resources	
	rtw_free_all_stainfo(padapter);
	
	psta = rtw_get_bcmc_stainfo(padapter);
	//_enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL);		
	rtw_free_stainfo(padapter, psta);
	//_exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL);
	
	rtw_init_bcmc_stainfo(padapter);	

	rtw_free_mlme_priv_ie_data(pmlmepriv);

#ifdef CONFIG_BT_COEXIST
	rtw_btcoex_MediaStatusNotify(padapter, 0); //disconnect 
#endif	

}

#endif //CONFIG_NATIVEAP_MLME

void rtw_ap_update_bss_chbw(_adapter *adapter, WLAN_BSSID_EX *bss, u8 ch, u8 bw, u8 offset)
{
#define UPDATE_VHT_CAP 1
#define UPDATE_HT_CAP 1

#ifdef CONFIG_80211AC_VHT
	{
		struct vht_priv	*vhtpriv = &adapter->mlmepriv.vhtpriv;
		u8 *vht_cap_ie, *vht_op_ie;
		int vht_cap_ielen, vht_op_ielen;
		u8	center_freq;

		vht_cap_ie = rtw_get_ie((bss->IEs + sizeof(NDIS_802_11_FIXED_IEs)), EID_VHTCapability, &vht_cap_ielen, (bss->IELength - sizeof(NDIS_802_11_FIXED_IEs)));
		vht_op_ie = rtw_get_ie((bss->IEs + sizeof(NDIS_802_11_FIXED_IEs)), EID_VHTOperation, &vht_op_ielen, (bss->IELength - sizeof(NDIS_802_11_FIXED_IEs)));
		center_freq = rtw_get_center_ch(ch, bw, offset);

		/* update vht cap ie */
		if (vht_cap_ie && vht_cap_ielen) {
			#if UPDATE_VHT_CAP
			/* if ((bw == CHANNEL_WIDTH_160 || bw == CHANNEL_WIDTH_80_80) && pvhtpriv->sgi_160m)
				SET_VHT_CAPABILITY_ELE_SHORT_GI160M(pvht_cap_ie + 2, 1);
			else */
				SET_VHT_CAPABILITY_ELE_SHORT_GI160M(vht_cap_ie + 2, 0);

			if (bw >= CHANNEL_WIDTH_80 && vhtpriv->sgi_80m)
				SET_VHT_CAPABILITY_ELE_SHORT_GI80M(vht_cap_ie + 2, 1);
			else
				SET_VHT_CAPABILITY_ELE_SHORT_GI80M(vht_cap_ie + 2, 0);
			#endif
		}

		/* update vht op ie */
		if (vht_op_ie && vht_op_ielen) {
			if (bw < CHANNEL_WIDTH_80) {
				SET_VHT_OPERATION_ELE_CHL_WIDTH(vht_op_ie + 2, 0);
				SET_VHT_OPERATION_ELE_CHL_CENTER_FREQ1(vht_op_ie + 2, 0);
				SET_VHT_OPERATION_ELE_CHL_CENTER_FREQ2(vht_op_ie + 2, 0);
			} else if (bw == CHANNEL_WIDTH_80) {
				SET_VHT_OPERATION_ELE_CHL_WIDTH(vht_op_ie + 2, 1);
				SET_VHT_OPERATION_ELE_CHL_CENTER_FREQ1(vht_op_ie + 2, center_freq);
				SET_VHT_OPERATION_ELE_CHL_CENTER_FREQ2(vht_op_ie + 2, 0);
			} else {
				DBG_871X_LEVEL(_drv_err_, FUNC_ADPT_FMT" unsupported BW:%u\n", FUNC_ADPT_ARG(adapter), bw);
				rtw_warn_on(1);
			}
		}
	}
#endif /* CONFIG_80211AC_VHT */
#ifdef CONFIG_80211N_HT
	{
		struct ht_priv	*htpriv = &adapter->mlmepriv.htpriv;
		u8 *ht_cap_ie, *ht_op_ie;
		int ht_cap_ielen, ht_op_ielen;

		ht_cap_ie = rtw_get_ie((bss->IEs + sizeof(NDIS_802_11_FIXED_IEs)), EID_HTCapability, &ht_cap_ielen, (bss->IELength - sizeof(NDIS_802_11_FIXED_IEs)));
		ht_op_ie = rtw_get_ie((bss->IEs + sizeof(NDIS_802_11_FIXED_IEs)), EID_HTInfo, &ht_op_ielen, (bss->IELength - sizeof(NDIS_802_11_FIXED_IEs)));

		/* update ht cap ie */
		if (ht_cap_ie && ht_cap_ielen) {
			#if UPDATE_HT_CAP
			if (bw >= CHANNEL_WIDTH_40)
				SET_HT_CAP_ELE_CHL_WIDTH(ht_cap_ie + 2, 1);
			else
				SET_HT_CAP_ELE_CHL_WIDTH(ht_cap_ie + 2, 0);

			if (bw >= CHANNEL_WIDTH_40 && htpriv->sgi_40m)
				SET_HT_CAP_ELE_SHORT_GI40M(ht_cap_ie + 2, 1);
			else
				SET_HT_CAP_ELE_SHORT_GI40M(ht_cap_ie + 2, 0);

			if (htpriv->sgi_20m)
				SET_HT_CAP_ELE_SHORT_GI20M(ht_cap_ie + 2, 1);
			else
				SET_HT_CAP_ELE_SHORT_GI20M(ht_cap_ie + 2, 0);
			#endif
		}

		/* update ht op ie */
		if (ht_op_ie && ht_op_ielen) {
			SET_HT_OP_ELE_PRI_CHL(ht_op_ie + 2, ch);
			switch (offset) {
			case HAL_PRIME_CHNL_OFFSET_LOWER:
				SET_HT_OP_ELE_2ND_CHL_OFFSET(ht_op_ie + 2, SCA);
				break;
			case HAL_PRIME_CHNL_OFFSET_UPPER:
				SET_HT_OP_ELE_2ND_CHL_OFFSET(ht_op_ie + 2, SCB);
				break;
			case HAL_PRIME_CHNL_OFFSET_DONT_CARE:
			default:
				SET_HT_OP_ELE_2ND_CHL_OFFSET(ht_op_ie + 2, SCN);
				break;
			}

			if (bw >= CHANNEL_WIDTH_40)
				SET_HT_OP_ELE_STA_CHL_WIDTH(ht_op_ie + 2, 1);
			else
				SET_HT_OP_ELE_STA_CHL_WIDTH(ht_op_ie + 2, 0);
		}
	}
#endif /* CONFIG_80211N_HT */

{
	u8 *p;
	int ie_len;
	u8 old_ch = bss->Configuration.DSConfig;
	bool change_band = _FALSE;

	if ((ch <= 14 && old_ch >= 36) || (ch >= 36 && old_ch <= 14))
		change_band = _TRUE;

	/* update channel in IE */
	p = rtw_get_ie((bss->IEs + sizeof(NDIS_802_11_FIXED_IEs)), _DSSET_IE_, &ie_len, (bss->IELength - sizeof(NDIS_802_11_FIXED_IEs)));
	if (p && ie_len > 0)
		*(p + 2) = ch;

	bss->Configuration.DSConfig = ch;

	/* band is changed, update ERP, support rate, ext support rate IE */
	if (change_band == _TRUE)
		change_band_update_ie(adapter, bss, ch);
}

}

bool rtw_ap_chbw_decision(_adapter *adapter, u8 req_ch, u8 req_bw, u8 req_offset
	, u8 *ch, u8 *bw, u8 *offset)
{
	u8 dec_ch, dec_bw, dec_offset;
	u8 u_ch = 0, u_offset, u_bw;
	bool changed = _FALSE;
	struct mlme_ext_priv *mlmeext = &(adapter->mlmeextpriv);
	u8 sta_num;
	u8 ld_sta_num;
	u8 lg_sta_num;
	u8 ap_num;
	u8 ld_ap_num;
	bool set_u_ch = _FALSE, set_dec_ch = _FALSE;

	dec_ch = req_ch;
	dec_bw = req_bw;
	dec_offset = req_offset;
	
	rtw_dev_iface_status_no_self(adapter, &sta_num, &ld_sta_num, &lg_sta_num, &ap_num, &ld_ap_num);
	DBG_871X(FUNC_ADPT_FMT" ld_sta_num:%u, lg_sta_num%u, ap_num:%u\n"
		, FUNC_ADPT_ARG(adapter), ld_sta_num, lg_sta_num, ap_num);

	if (ld_sta_num || ap_num) {
		/* has linked STA or AP mode, follow */

		rtw_warn_on(!rtw_get_ch_setting_union_no_self(adapter, &u_ch, &u_bw, &u_offset));

		DBG_871X(FUNC_ADPT_FMT" union no self: %u,%u,%u\n", FUNC_ADPT_ARG(adapter), u_ch, u_bw, u_offset);
		DBG_871X(FUNC_ADPT_FMT" req: %u,%u,%u\n", FUNC_ADPT_ARG(adapter), req_ch, req_bw, req_offset);

		rtw_adjust_chbw(adapter, u_ch, &dec_bw, &dec_offset);

		rtw_sync_chbw(&dec_ch, &dec_bw, &dec_offset
			, &u_ch, &u_bw, &u_offset);

		rtw_ap_update_bss_chbw(adapter, &(adapter->mlmepriv.cur_network.network)
			, dec_ch, dec_bw, dec_offset);

		set_u_ch = _TRUE;
	} else if (lg_sta_num) {
		/* has linking STA */

		rtw_warn_on(!rtw_get_ch_setting_union_no_self(adapter, &u_ch, &u_bw, &u_offset));

		DBG_871X(FUNC_ADPT_FMT" union no self: %u,%u,%u\n", FUNC_ADPT_ARG(adapter), u_ch, u_bw, u_offset);
		DBG_871X(FUNC_ADPT_FMT" req: %u,%u,%u\n", FUNC_ADPT_ARG(adapter), req_ch, req_bw, req_offset);

		rtw_adjust_chbw(adapter, dec_ch, &dec_bw, &dec_offset);
		
		if (rtw_is_chbw_grouped(u_ch, u_bw, u_offset, dec_ch, dec_bw, dec_offset)) {

			rtw_sync_chbw(&dec_ch, &dec_bw, &dec_offset
					, &u_ch, &u_bw, &u_offset);

			rtw_ap_update_bss_chbw(adapter, &(adapter->mlmepriv.cur_network.network)
				, dec_ch, dec_bw, dec_offset);

			set_u_ch = _TRUE;
		} else {
			/* set this for possible ch change when join down*/
			set_fwstate(&adapter->mlmepriv, WIFI_OP_CH_SWITCHING);
		}
	} else {
		/* single AP mode */

		DBG_871X(FUNC_ADPT_FMT" req: %u,%u,%u\n", FUNC_ADPT_ARG(adapter), req_ch, req_bw, req_offset);
		rtw_adjust_chbw(adapter, dec_ch, &dec_bw, &dec_offset);

		#if defined(CONFIG_DFS_MASTER)
		/* check NOL */
		if (rtw_chset_is_ch_non_ocp(mlmeext->channel_set, dec_ch, dec_bw, dec_offset)) {
			/* choose 5G DFS channel for debug */
			if (adapter_to_rfctl(adapter)->dbg_dfs_master_choose_dfs_ch_first
				&& rtw_choose_available_chbw(adapter, req_bw, &dec_ch, &dec_bw, &dec_offset, RTW_CHF_2G|RTW_CHF_NON_DFS) == _TRUE) {
				DBG_871X(FUNC_ADPT_FMT" choose 5G DFS channel for debug\n", FUNC_ADPT_ARG(adapter));
			} else 
			/* choose from 5G no DFS */
			if (rtw_choose_available_chbw(adapter, req_bw, &dec_ch, &dec_bw, &dec_offset, RTW_CHF_2G|RTW_CHF_DFS) == _FALSE) {
				/* including 5G DFS, not long CAC */
				if (rtw_choose_available_chbw(adapter, req_bw, &dec_ch, &dec_bw, &dec_offset, RTW_CHF_2G|RTW_CHF_LONG_CAC) == _FALSE) {
					/* including 5G DFS, long CAC */
					if (rtw_choose_available_chbw(adapter, req_bw, &dec_ch, &dec_bw, &dec_offset, RTW_CHF_2G) == _FALSE) {
						/* including 2.4G channel */
						if (rtw_choose_available_chbw(adapter, req_bw, &dec_ch, &dec_bw, &dec_offset, RTW_CHF_5G) == _FALSE) {
							DBG_871X(FUNC_ADPT_FMT" no available ch\n", FUNC_ADPT_ARG(adapter));
							rtw_warn_on(1);
						}
					}
				}
			}
		}
		#endif /* defined(CONFIG_DFS_MASTER) */

		rtw_ap_update_bss_chbw(adapter, &(adapter->mlmepriv.cur_network.network)
				, dec_ch, dec_bw, dec_offset);

		set_dec_ch = _TRUE;
	}

	if (check_fwstate(&adapter->mlmepriv, _FW_UNDER_SURVEY)
		#ifdef CONFIG_CONCURRENT_MODE
		|| check_buddy_fwstate(adapter, _FW_UNDER_SURVEY)
		#endif
	) {
		/* scanning, leave ch setting to scan state machine */
		set_u_ch = set_dec_ch = _FALSE;
	}

	if (mlmeext->cur_channel != dec_ch
		|| mlmeext->cur_bwmode != dec_bw
		|| mlmeext->cur_ch_offset != dec_offset)
		changed = _TRUE;

	if (changed == _TRUE && rtw_linked_check(adapter) == _TRUE) {
		#ifdef CONFIG_SPCT_CH_SWITCH
		if (1)
			rtw_ap_inform_ch_switch(adapter, dec_ch, dec_offset);
		else
		#endif
			rtw_sta_flush(adapter, _FALSE);
	}

	mlmeext->cur_channel = dec_ch;
	mlmeext->cur_bwmode = dec_bw;
	mlmeext->cur_ch_offset = dec_offset;

	if (u_ch != 0)
		DBG_871X(FUNC_ADPT_FMT" union: %u,%u,%u\n", FUNC_ADPT_ARG(adapter), u_ch, u_bw, u_offset);

	DBG_871X(FUNC_ADPT_FMT" dec: %u,%u,%u\n", FUNC_ADPT_ARG(adapter), dec_ch, dec_bw, dec_offset);

	if (set_u_ch == _TRUE) {
		*ch = u_ch;
		*bw = u_bw;
		*offset = u_offset;
	} else if (set_dec_ch == _TRUE) {
		*ch = dec_ch;
		*bw = dec_bw;
		*offset = dec_offset;
	}	

	return changed;
}

#endif //CONFIG_AP_MODE