text: // SPDX-License-Identifier: GPL-2.0
  /******************************************************************************
   *
   * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
   *
   ******************************************************************************/
  #define  _IOCTL_CFG80211_C_
  
  #include <linux/etherdevice.h>
  #include <drv_types.h>
  #include <rtw_debug.h>
  #include <linux/jiffies.h>
  
  #include <rtw_wifi_regd.h>
  
  #define RTW_MAX_MGMT_TX_CNT (8)
  
  #define RTW_SCAN_IE_LEN_MAX      2304
  #define RTW_MAX_REMAIN_ON_CHANNEL_DURATION 5000 /* ms */
  #define RTW_MAX_NUM_PMKIDS 4
  
  static const u32 rtw_cipher_suites[] = {
  	WLAN_CIPHER_SUITE_WEP40,
  	WLAN_CIPHER_SUITE_WEP104,
  	WLAN_CIPHER_SUITE_TKIP,
  	WLAN_CIPHER_SUITE_CCMP,
  	WLAN_CIPHER_SUITE_AES_CMAC,
  };
  
  #define RATETAB_ENT(_rate, _rateid, _flags) \
  	{								\
  		.bitrate	= (_rate),				\
  		.hw_value	= (_rateid),				\
  		.flags		= (_flags),				\
  	}
  
  #define CHAN2G(_channel, _freq, _flags) {			\
  	.band			= NL80211_BAND_2GHZ,		\
  	.center_freq		= (_freq),			\
  	.hw_value		= (_channel),			\
  	.flags			= (_flags),			\
  	.max_antenna_gain	= 0,				\
  	.max_power		= 30,				\
  }
  
  /* if wowlan is not supported, kernel generate a disconnect at each suspend
   * cf: /net/wireless/sysfs.c, so register a stub wowlan.
   * Moreover wowlan has to be enabled via a the nl80211_set_wowlan callback.
   * (from user space, e.g. iw phy0 wowlan enable)
   */
  static const struct wiphy_wowlan_support wowlan_stub = {
  	.flags = WIPHY_WOWLAN_ANY,
  	.n_patterns = 0,
  	.pattern_max_len = 0,
  	.pattern_min_len = 0,
  	.max_pkt_offset = 0,
  };
  
  static struct ieee80211_rate rtw_rates[] = {
  	RATETAB_ENT(10,  0x1,   0),
  	RATETAB_ENT(20,  0x2,   0),
  	RATETAB_ENT(55,  0x4,   0),
  	RATETAB_ENT(110, 0x8,   0),
  	RATETAB_ENT(60,  0x10,  0),
  	RATETAB_ENT(90,  0x20,  0),
  	RATETAB_ENT(120, 0x40,  0),
  	RATETAB_ENT(180, 0x80,  0),
  	RATETAB_ENT(240, 0x100, 0),
  	RATETAB_ENT(360, 0x200, 0),
  	RATETAB_ENT(480, 0x400, 0),
  	RATETAB_ENT(540, 0x800, 0),
  };
  
  #define rtw_a_rates		(rtw_rates + 4)
  #define RTW_A_RATES_NUM	8
  #define rtw_g_rates		(rtw_rates + 0)
  #define RTW_G_RATES_NUM	12
  
  #define RTW_2G_CHANNELS_NUM 14
  #define RTW_5G_CHANNELS_NUM 37
  
  static struct ieee80211_channel rtw_2ghz_channels[] = {
  	CHAN2G(1, 2412, 0),
  	CHAN2G(2, 2417, 0),
  	CHAN2G(3, 2422, 0),
  	CHAN2G(4, 2427, 0),
  	CHAN2G(5, 2432, 0),
  	CHAN2G(6, 2437, 0),
  	CHAN2G(7, 2442, 0),
  	CHAN2G(8, 2447, 0),
  	CHAN2G(9, 2452, 0),
  	CHAN2G(10, 2457, 0),
  	CHAN2G(11, 2462, 0),
  	CHAN2G(12, 2467, 0),
  	CHAN2G(13, 2472, 0),
  	CHAN2G(14, 2484, 0),
  };
  
  static void rtw_2g_channels_init(struct ieee80211_channel *channels)
  {
  	memcpy((void *)channels, (void *)rtw_2ghz_channels,
  		sizeof(struct ieee80211_channel)*RTW_2G_CHANNELS_NUM
  	);
  }
  
  static void rtw_2g_rates_init(struct ieee80211_rate *rates)
  {
  	memcpy(rates, rtw_g_rates,
  		sizeof(struct ieee80211_rate)*RTW_G_RATES_NUM
  	);
  }
  
  static struct ieee80211_supported_band *rtw_spt_band_alloc(
  	enum nl80211_band band
  	)
  {
  	struct ieee80211_supported_band *spt_band = NULL;
  	int n_channels, n_bitrates;
  
  	if (band == NL80211_BAND_2GHZ)
  	{
  		n_channels = RTW_2G_CHANNELS_NUM;
  		n_bitrates = RTW_G_RATES_NUM;
  	}
  	else
  	{
  		goto exit;
  	}
  
  	spt_band = rtw_zmalloc(sizeof(struct ieee80211_supported_band) +
  			       sizeof(struct ieee80211_channel) * n_channels +
  			       sizeof(struct ieee80211_rate) * n_bitrates);
  	if (!spt_band)
  		goto exit;
  
  	spt_band->channels = (struct ieee80211_channel *)(((u8 *)spt_band)+sizeof(struct ieee80211_supported_band));
  	spt_band->bitrates = (struct ieee80211_rate *)(((u8 *)spt_band->channels)+sizeof(struct ieee80211_channel)*n_channels);
  	spt_band->band = band;
  	spt_band->n_channels = n_channels;
  	spt_band->n_bitrates = n_bitrates;
  
  	if (band == NL80211_BAND_2GHZ)
  	{
  		rtw_2g_channels_init(spt_band->channels);
  		rtw_2g_rates_init(spt_band->bitrates);
  	}
  
  	/* spt_band.ht_cap */
  
  exit:
  
  	return spt_band;
  }
  
  static const struct ieee80211_txrx_stypes
  rtw_cfg80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
  	[NL80211_IFTYPE_ADHOC] = {
  		.tx = 0xffff,
  		.rx = BIT(IEEE80211_STYPE_ACTION >> 4)
  	},
  	[NL80211_IFTYPE_STATION] = {
  		.tx = 0xffff,
  		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
  		BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
  	},
  	[NL80211_IFTYPE_AP] = {
  		.tx = 0xffff,
  		.rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
  		BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
  		BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
  		BIT(IEEE80211_STYPE_DISASSOC >> 4) |
  		BIT(IEEE80211_STYPE_AUTH >> 4) |
  		BIT(IEEE80211_STYPE_DEAUTH >> 4) |
  		BIT(IEEE80211_STYPE_ACTION >> 4)
  	},
  	[NL80211_IFTYPE_AP_VLAN] = {
  		/* copy AP */
  		.tx = 0xffff,
  		.rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
  		BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
  		BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
  		BIT(IEEE80211_STYPE_DISASSOC >> 4) |
  		BIT(IEEE80211_STYPE_AUTH >> 4) |
  		BIT(IEEE80211_STYPE_DEAUTH >> 4) |
  		BIT(IEEE80211_STYPE_ACTION >> 4)
  	},
  	[NL80211_IFTYPE_P2P_CLIENT] = {
  		.tx = 0xffff,
  		.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
  		BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
  	},
  	[NL80211_IFTYPE_P2P_GO] = {
  		.tx = 0xffff,
  		.rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
  		BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
  		BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
  		BIT(IEEE80211_STYPE_DISASSOC >> 4) |
  		BIT(IEEE80211_STYPE_AUTH >> 4) |
  		BIT(IEEE80211_STYPE_DEAUTH >> 4) |
  		BIT(IEEE80211_STYPE_ACTION >> 4)
  	},
  };
  
  static int rtw_ieee80211_channel_to_frequency(int chan, int band)
  {
  	/* see 802.11 17.3.8.3.2 and Annex J
  	* there are overlapping channel numbers in 5GHz and 2GHz bands */
  	if (band == NL80211_BAND_2GHZ) {
  		if (chan == 14)
  			return 2484;
               else if (chan < 14)
  			return 2407 + chan * 5;
  	}
  
  	return 0; /* not supported */
  }
  
  #define MAX_BSSINFO_LEN 1000
  struct cfg80211_bss *rtw_cfg80211_inform_bss(struct adapter *padapter, struct wlan_network *pnetwork)
  {
  	struct ieee80211_channel *notify_channel;
  	struct cfg80211_bss *bss = NULL;
  	/* struct ieee80211_supported_band *band; */
  	u16 channel;
  	u32 freq;
  	u64 notify_timestamp;
  	s32 notify_signal;
  	u8 *buf = NULL, *pbuf;
  	size_t len, bssinf_len = 0;
  	struct ieee80211_hdr *pwlanhdr;
  	__le16 *fctrl;
  	u8 bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
  
  	struct wireless_dev *wdev = padapter->rtw_wdev;
  	struct wiphy *wiphy = wdev->wiphy;
  	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
  
  
  	/* DBG_8192C("%s\n", __func__); */
  
  	bssinf_len = pnetwork->network.IELength + sizeof(struct ieee80211_hdr_3addr);
  	if (bssinf_len > MAX_BSSINFO_LEN) {
  		DBG_871X("%s IE Length too long > %d byte\n", __func__, MAX_BSSINFO_LEN);
  		goto exit;
  	}
  
  	{
  		u16 wapi_len = 0;
  
  		if (rtw_get_wapi_ie(pnetwork->network.IEs, pnetwork->network.IELength, NULL, &wapi_len) > 0)
  		{
  			if (wapi_len > 0)
  			{
  				DBG_871X("%s, no support wapi!\n", __func__);
  				goto exit;
  			}
  		}
  	}
  
  	/* To reduce PBC Overlap rate */
  	/* spin_lock_bh(&pwdev_priv->scan_req_lock); */
  	if (adapter_wdev_data(padapter)->scan_request != NULL)
  	{
  		u8 *psr = NULL, sr = 0;
  		struct ndis_802_11_ssid *pssid = &pnetwork->network.Ssid;
  		struct cfg80211_scan_request *request = adapter_wdev_data(padapter)->scan_request;
  		struct cfg80211_ssid *ssids = request->ssids;
  		u32 wpsielen = 0;
  		u8 *wpsie = NULL;
  
  		wpsie = rtw_get_wps_ie(pnetwork->network.IEs+_FIXED_IE_LENGTH_, pnetwork->network.IELength-_FIXED_IE_LENGTH_, NULL, &wpsielen);
  
  		if (wpsie && wpsielen > 0)
  			psr = rtw_get_wps_attr_content(wpsie,  wpsielen, WPS_ATTR_SELECTED_REGISTRAR, (u8 *)(&sr), NULL);
  
  		if (sr != 0)
  		{
  			if (request->n_ssids == 1 && request->n_channels == 1) /*  it means under processing WPS */
  			{
  				DBG_8192C("ssid =%s, len =%d\n", pssid->Ssid, pssid->SsidLength);
  
  				if (ssids[0].ssid_len == 0) {
  				}
  				else if (pssid->SsidLength == ssids[0].ssid_len &&
  					!memcmp(pssid->Ssid, ssids[0].ssid, ssids[0].ssid_len))
  				{
  					DBG_871X("%s, got sr and ssid match!\n", __func__);
  				}
  				else
  				{
  					if (psr != NULL)
  						*psr = 0; /* clear sr */
  				}
  			}
  		}
  	}
  	/* spin_unlock_bh(&pwdev_priv->scan_req_lock); */
  
  
  	channel = pnetwork->network.Configuration.DSConfig;
  	freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
  
  	notify_channel = ieee80211_get_channel(wiphy, freq);
  
  	notify_timestamp = ktime_to_us(ktime_get_boottime());
  
  	/* We've set wiphy's signal_type as CFG80211_SIGNAL_TYPE_MBM: signal strength in mBm (100*dBm) */
  	if (check_fwstate(pmlmepriv, _FW_LINKED) == true &&
  		is_same_network(&pmlmepriv->cur_network.network, &pnetwork->network, 0)) {
  		notify_signal = 100*translate_percentage_to_dbm(padapter->recvpriv.signal_strength);/* dbm */
  	} else {
  		notify_signal = 100*translate_percentage_to_dbm(pnetwork->network.PhyInfo.SignalStrength);/* dbm */
  	}
  
  	buf = kzalloc(MAX_BSSINFO_LEN, GFP_ATOMIC);
  	if (!buf)
  		goto exit;
  	pbuf = buf;
  
  	pwlanhdr = (struct ieee80211_hdr *)pbuf;
  	fctrl = &(pwlanhdr->frame_control);
  	*(fctrl) = 0;
  
  	SetSeqNum(pwlanhdr, 0/*pmlmeext->mgnt_seq*/);
  	/* pmlmeext->mgnt_seq++; */
  
  	if (pnetwork->network.Reserved[0] == 1) { /*  WIFI_BEACON */
  		memcpy(pwlanhdr->addr1, bc_addr, ETH_ALEN);
  		SetFrameSubType(pbuf, WIFI_BEACON);
  	} else {
  		memcpy(pwlanhdr->addr1, myid(&(padapter->eeprompriv)), ETH_ALEN);
  		SetFrameSubType(pbuf, WIFI_PROBERSP);
  	}
  
  	memcpy(pwlanhdr->addr2, pnetwork->network.MacAddress, ETH_ALEN);
  	memcpy(pwlanhdr->addr3, pnetwork->network.MacAddress, ETH_ALEN);
  
  
  	pbuf += sizeof(struct ieee80211_hdr_3addr);
  	len = sizeof(struct ieee80211_hdr_3addr);
  
  	memcpy(pbuf, pnetwork->network.IEs, pnetwork->network.IELength);
  	len += pnetwork->network.IELength;
  
  	*((__le64 *)pbuf) = cpu_to_le64(notify_timestamp);
  
  	bss = cfg80211_inform_bss_frame(wiphy, notify_channel, (struct ieee80211_mgmt *)buf,
  		len, notify_signal, GFP_ATOMIC);
  
  	if (unlikely(!bss)) {
  		DBG_8192C(FUNC_ADPT_FMT" bss NULL\n", FUNC_ADPT_ARG(padapter));
  		goto exit;
  	}
  
  	cfg80211_put_bss(wiphy, bss);
  	kfree(buf);
  
  exit:
  	return bss;
  
  }
  
  /*
  	Check the given bss is valid by kernel API cfg80211_get_bss()
  	@padapter : the given adapter
  
  	return true if bss is valid,  false for not found.
  */
  int rtw_cfg80211_check_bss(struct adapter *padapter)
  {
  	struct wlan_bssid_ex  *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
  	struct cfg80211_bss *bss = NULL;
  	struct ieee80211_channel *notify_channel = NULL;
  	u32 freq;
  
  	if (!(pnetwork) || !(padapter->rtw_wdev))
  		return false;
  
  	freq = rtw_ieee80211_channel_to_frequency(pnetwork->Configuration.DSConfig, NL80211_BAND_2GHZ);
  
  	notify_channel = ieee80211_get_channel(padapter->rtw_wdev->wiphy, freq);
  	bss = cfg80211_get_bss(padapter->rtw_wdev->wiphy, notify_channel,
  			pnetwork->MacAddress, pnetwork->Ssid.Ssid,
  			pnetwork->Ssid.SsidLength,
  			WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
  
  	cfg80211_put_bss(padapter->rtw_wdev->wiphy, bss);
  
  	return	(bss != NULL);
  }
  
  void rtw_cfg80211_ibss_indicate_connect(struct adapter *padapter)
  {
  	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
  	struct wlan_network  *cur_network = &(pmlmepriv->cur_network);
  	struct wireless_dev *pwdev = padapter->rtw_wdev;
  	struct wiphy *wiphy = pwdev->wiphy;
  	int freq = (int)cur_network->network.Configuration.DSConfig;
  	struct ieee80211_channel *chan;
  
  	DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
  	if (pwdev->iftype != NL80211_IFTYPE_ADHOC)
  	{
  		return;
  	}
  
  	if (!rtw_cfg80211_check_bss(padapter)) {
  		struct wlan_bssid_ex  *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
  		struct wlan_network *scanned = pmlmepriv->cur_network_scanned;
  
  		if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)
  		{
  
  			memcpy(&cur_network->network, pnetwork, sizeof(struct wlan_bssid_ex));
  			if (!rtw_cfg80211_inform_bss(padapter, cur_network))
  				DBG_871X(FUNC_ADPT_FMT" inform fail !!\n", FUNC_ADPT_ARG(padapter));
  			else
  				DBG_871X(FUNC_ADPT_FMT" inform success !!\n", FUNC_ADPT_ARG(padapter));
  		}
  		else
  		{
  			if (scanned == NULL) {
  				rtw_warn_on(1);
  				return;
  			}
  			if (!memcmp(&(scanned->network.Ssid), &(pnetwork->Ssid), sizeof(struct ndis_802_11_ssid))
  				&& !memcmp(scanned->network.MacAddress, pnetwork->MacAddress, sizeof(NDIS_802_11_MAC_ADDRESS))
  			) {
  				if (!rtw_cfg80211_inform_bss(padapter, scanned)) {
  					DBG_871X(FUNC_ADPT_FMT" inform fail !!\n", FUNC_ADPT_ARG(padapter));
  				} else {
  					/* DBG_871X(FUNC_ADPT_FMT" inform success !!\n", FUNC_ADPT_ARG(padapter)); */
  				}
  			} else {
  				DBG_871X("scanned & pnetwork compare fail\n");
  				rtw_warn_on(1);
  			}
  		}
  
  		if (!rtw_cfg80211_check_bss(padapter))
  			DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" BSS not found !!\n", FUNC_ADPT_ARG(padapter));
  	}
  	/* notify cfg80211 that device joined an IBSS */
  	chan = ieee80211_get_channel(wiphy, freq);
  	cfg80211_ibss_joined(padapter->pnetdev, cur_network->network.MacAddress, chan, GFP_ATOMIC);
  }
  
  void rtw_cfg80211_indicate_connect(struct adapter *padapter)
  {
  	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
  	struct wlan_network  *cur_network = &(pmlmepriv->cur_network);
  	struct wireless_dev *pwdev = padapter->rtw_wdev;
  
  	DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
  	if (pwdev->iftype != NL80211_IFTYPE_STATION
  		&& pwdev->iftype != NL80211_IFTYPE_P2P_CLIENT
  	) {
  		return;
  	}
  
  	if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
  		return;
  
  	{
  		struct wlan_bssid_ex  *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
  		struct wlan_network *scanned = pmlmepriv->cur_network_scanned;
  
  		/* DBG_871X(FUNC_ADPT_FMT" BSS not found\n", FUNC_ADPT_ARG(padapter)); */
  
  		if (scanned == NULL) {
  			rtw_warn_on(1);
  			goto check_bss;
  		}
  
  		if (!memcmp(scanned->network.MacAddress, pnetwork->MacAddress, sizeof(NDIS_802_11_MAC_ADDRESS))
  			&& !memcmp(&(scanned->network.Ssid), &(pnetwork->Ssid), sizeof(struct ndis_802_11_ssid))
  		) {
  			if (!rtw_cfg80211_inform_bss(padapter, scanned)) {
  				DBG_871X(FUNC_ADPT_FMT" inform fail !!\n", FUNC_ADPT_ARG(padapter));
  			} else {
  				/* DBG_871X(FUNC_ADPT_FMT" inform success !!\n", FUNC_ADPT_ARG(padapter)); */
  			}
  		} else {
  			DBG_871X("scanned: %s("MAC_FMT"), cur: %s("MAC_FMT")\n",
  				scanned->network.Ssid.Ssid, MAC_ARG(scanned->network.MacAddress),
  				pnetwork->Ssid.Ssid, MAC_ARG(pnetwork->MacAddress)
  			);
  			rtw_warn_on(1);
  		}
  	}
  
  check_bss:
  	if (!rtw_cfg80211_check_bss(padapter))
  		DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" BSS not found !!\n", FUNC_ADPT_ARG(padapter));
  
  	if (rtw_to_roam(padapter) > 0) {
  		struct wiphy *wiphy = pwdev->wiphy;
  		struct ieee80211_channel *notify_channel;
  		u32 freq;
  		u16 channel = cur_network->network.Configuration.DSConfig;
  		struct cfg80211_roam_info roam_info = {};
  
  		freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
  
  		notify_channel = ieee80211_get_channel(wiphy, freq);
  
  		DBG_871X(FUNC_ADPT_FMT" call cfg80211_roamed\n", FUNC_ADPT_ARG(padapter));
  		roam_info.channel = notify_channel;
  		roam_info.bssid = cur_network->network.MacAddress;
  		roam_info.req_ie =
  			pmlmepriv->assoc_req+sizeof(struct ieee80211_hdr_3addr)+2;
  		roam_info.req_ie_len =
  			pmlmepriv->assoc_req_len-sizeof(struct ieee80211_hdr_3addr)-2;
  		roam_info.resp_ie =
  			pmlmepriv->assoc_rsp+sizeof(struct ieee80211_hdr_3addr)+6;
  		roam_info.resp_ie_len =
  			pmlmepriv->assoc_rsp_len-sizeof(struct ieee80211_hdr_3addr)-6;
  		cfg80211_roamed(padapter->pnetdev, &roam_info, GFP_ATOMIC);
  	}
  	else
  	{
  		cfg80211_connect_result(padapter->pnetdev, cur_network->network.MacAddress
  			, pmlmepriv->assoc_req+sizeof(struct ieee80211_hdr_3addr)+2
  			, pmlmepriv->assoc_req_len-sizeof(struct ieee80211_hdr_3addr)-2
  			, pmlmepriv->assoc_rsp+sizeof(struct ieee80211_hdr_3addr)+6
  			, pmlmepriv->assoc_rsp_len-sizeof(struct ieee80211_hdr_3addr)-6
  			, WLAN_STATUS_SUCCESS, GFP_ATOMIC);
  	}
  }
  
  void rtw_cfg80211_indicate_disconnect(struct adapter *padapter)
  {
  	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
  	struct wireless_dev *pwdev = padapter->rtw_wdev;
  
  	DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
  
  	if (pwdev->iftype != NL80211_IFTYPE_STATION
  		&& pwdev->iftype != NL80211_IFTYPE_P2P_CLIENT
  	) {
  		return;
  	}
  
  	if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
  		return;
  
  	if (!padapter->mlmepriv.not_indic_disco) {
  		if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
  			cfg80211_disconnected(padapter->pnetdev, 0,
  					      NULL, 0, true, GFP_ATOMIC);
  		} else {
  			cfg80211_connect_result(padapter->pnetdev, NULL, NULL, 0, NULL, 0,
  				WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_ATOMIC/*GFP_KERNEL*/);
  		}
  	}
  }
  
  
  static int rtw_cfg80211_ap_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
  {
  	int ret = 0;
  	u32 wep_key_idx, wep_key_len;
  	struct sta_info *psta = NULL, *pbcmc_sta = NULL;
  	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
  	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
  	struct security_priv* psecuritypriv =  &(padapter->securitypriv);
  	struct sta_priv *pstapriv = &padapter->stapriv;
  
  	DBG_8192C("%s\n", __func__);
  
  	param->u.crypt.err = 0;
  	param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
  
  	if (param_len !=  sizeof(struct ieee_param) + param->u.crypt.key_len)
  	{
  		ret =  -EINVAL;
  		goto exit;
  	}
  
  	if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
  	    param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
  	    param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff)
  	{
  		if (param->u.crypt.idx >= WEP_KEYS)
  		{
  			ret = -EINVAL;
  			goto exit;
  		}
  	}
  	else
  	{
  		psta = rtw_get_stainfo(pstapriv, param->sta_addr);
  		if (!psta)
  		{
  			/* ret = -EINVAL; */
  			DBG_8192C("rtw_set_encryption(), sta has already been removed or never been added\n");
  			goto exit;
  		}
  	}
  
  	if (strcmp(param->u.crypt.alg, "none") == 0 && (psta == NULL))
  	{
  		/* todo:clear default encryption keys */
  
  		DBG_8192C("clear default encryption keys, keyid =%d\n", param->u.crypt.idx);
  
  		goto exit;
  	}
  
  
  	if (strcmp(param->u.crypt.alg, "WEP") == 0 && (psta == NULL))
  	{
  		DBG_8192C("r871x_set_encryption, crypt.alg = WEP\n");
  
  		wep_key_idx = param->u.crypt.idx;
  		wep_key_len = param->u.crypt.key_len;
  
  		DBG_8192C("r871x_set_encryption, wep_key_idx =%d, len =%d\n", wep_key_idx, wep_key_len);
  
  		if ((wep_key_idx >= WEP_KEYS) || (wep_key_len <= 0))
  		{
  			ret = -EINVAL;
  			goto exit;
  		}
  
  		if (wep_key_len > 0)
  		{
  			wep_key_len = wep_key_len <= 5 ? 5 : 13;
  		}
  
  		if (psecuritypriv->bWepDefaultKeyIdxSet == 0)
  		{
  			/* wep default key has not been set, so use this key index as default key. */
  
  			psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Auto;
  			psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
  			psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
  			psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
  
  			if (wep_key_len == 13)
  			{
  				psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
  				psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
  			}
  
  			psecuritypriv->dot11PrivacyKeyIndex = wep_key_idx;
  		}
  
  		memcpy(&(psecuritypriv->dot11DefKey[wep_key_idx].skey[0]), param->u.crypt.key, wep_key_len);
  
  		psecuritypriv->dot11DefKeylen[wep_key_idx] = wep_key_len;
  
  		rtw_ap_set_wep_key(padapter, param->u.crypt.key, wep_key_len, wep_key_idx, 1);
  
  		goto exit;
  
  	}
  
  
  	if (!psta && check_fwstate(pmlmepriv, WIFI_AP_STATE)) /* group key */
  	{
  		if (param->u.crypt.set_tx == 0) /* group key */
  		{
  			if (strcmp(param->u.crypt.alg, "WEP") == 0)
  			{
  				DBG_8192C("%s, set group_key, WEP\n", __func__);
  
  				memcpy(psecuritypriv->dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
  
  				psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
  				if (param->u.crypt.key_len == 13)
  				{
  						psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
  				}
  
  			}
  			else if (strcmp(param->u.crypt.alg, "TKIP") == 0)
  			{
  				DBG_8192C("%s, set group_key, TKIP\n", __func__);
  
  				psecuritypriv->dot118021XGrpPrivacy = _TKIP_;
  
  				memcpy(psecuritypriv->dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
  
  				/* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
  				/* set mic key */
  				memcpy(psecuritypriv->dot118021XGrptxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[16]), 8);
  				memcpy(psecuritypriv->dot118021XGrprxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[24]), 8);
  
  				psecuritypriv->busetkipkey = true;
  
  			}
  			else if (strcmp(param->u.crypt.alg, "CCMP") == 0)
  			{
  				DBG_8192C("%s, set group_key, CCMP\n", __func__);
  
  				psecuritypriv->dot118021XGrpPrivacy = _AES_;
  
  				memcpy(psecuritypriv->dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
  			}
  			else
  			{
  				DBG_8192C("%s, set group_key, none\n", __func__);
  
  				psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
  			}
  
  			psecuritypriv->dot118021XGrpKeyid = param->u.crypt.idx;
  
  			psecuritypriv->binstallGrpkey = true;
  
  			psecuritypriv->dot11PrivacyAlgrthm = psecuritypriv->dot118021XGrpPrivacy;/*  */
  
  			rtw_ap_set_group_key(padapter, param->u.crypt.key, psecuritypriv->dot118021XGrpPrivacy, param->u.crypt.idx);
  
  			pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
  			if (pbcmc_sta)
  			{
  				pbcmc_sta->ieee8021x_blocked = false;
  				pbcmc_sta->dot118021XPrivacy = psecuritypriv->dot118021XGrpPrivacy;/* rx will use bmc_sta's dot118021XPrivacy */
  			}
  
  		}
  
  		goto exit;
  
  	}
  
  	if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X && psta) /*  psk/802_1x */
  	{
  		if (check_fwstate(pmlmepriv, WIFI_AP_STATE))
  		{
  			if (param->u.crypt.set_tx == 1) /* pairwise key */
  			{
  				memcpy(psta->dot118021x_UncstKey.skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
  
  				if (strcmp(param->u.crypt.alg, "WEP") == 0)
  				{
  					DBG_8192C("%s, set pairwise key, WEP\n", __func__);
  
  					psta->dot118021XPrivacy = _WEP40_;
  					if (param->u.crypt.key_len == 13)
  					{
  						psta->dot118021XPrivacy = _WEP104_;
  					}
  				}
  				else if (strcmp(param->u.crypt.alg, "TKIP") == 0)
  				{
  					DBG_8192C("%s, set pairwise key, TKIP\n", __func__);
  
  					psta->dot118021XPrivacy = _TKIP_;
  
  					/* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
  					/* set mic key */
  					memcpy(psta->dot11tkiptxmickey.skey, &(param->u.crypt.key[16]), 8);
  					memcpy(psta->dot11tkiprxmickey.skey, &(param->u.crypt.key[24]), 8);
  
  					psecuritypriv->busetkipkey = true;
  
  				}
  				else if (strcmp(param->u.crypt.alg, "CCMP") == 0)
  				{
  
  					DBG_8192C("%s, set pairwise key, CCMP\n", __func__);
  
  					psta->dot118021XPrivacy = _AES_;
  				}
  				else
  				{
  					DBG_8192C("%s, set pairwise key, none\n", __func__);
  
  					psta->dot118021XPrivacy = _NO_PRIVACY_;
  				}
  
  				rtw_ap_set_pairwise_key(padapter, psta);
  
  				psta->ieee8021x_blocked = false;
  
  				psta->bpairwise_key_installed = true;
  
  			}
  			else/* group key??? */
  			{
  				if (strcmp(param->u.crypt.alg, "WEP") == 0)
  				{
  					memcpy(psecuritypriv->dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
  
  					psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
  					if (param->u.crypt.key_len == 13)
  					{
  						psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
  					}
  				}
  				else if (strcmp(param->u.crypt.alg, "TKIP") == 0)
  				{
  					psecuritypriv->dot118021XGrpPrivacy = _TKIP_;
  
  					memcpy(psecuritypriv->dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
  
  					/* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
  					/* set mic key */
  					memcpy(psecuritypriv->dot118021XGrptxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[16]), 8);
  					memcpy(psecuritypriv->dot118021XGrprxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[24]), 8);
  
  					psecuritypriv->busetkipkey = true;
  
  				}
  				else if (strcmp(param->u.crypt.alg, "CCMP") == 0)
  				{
  					psecuritypriv->dot118021XGrpPrivacy = _AES_;
  
  					memcpy(psecuritypriv->dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
  				}
  				else
  				{
  					psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
  				}
  
  				psecuritypriv->dot118021XGrpKeyid = param->u.crypt.idx;
  
  				psecuritypriv->binstallGrpkey = true;
  
  				psecuritypriv->dot11PrivacyAlgrthm = psecuritypriv->dot118021XGrpPrivacy;/*  */
  
  				rtw_ap_set_group_key(padapter, param->u.crypt.key, psecuritypriv->dot118021XGrpPrivacy, param->u.crypt.idx);
  
  				pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
  				if (pbcmc_sta)
  				{
  					pbcmc_sta->ieee8021x_blocked = false;
  					pbcmc_sta->dot118021XPrivacy = psecuritypriv->dot118021XGrpPrivacy;/* rx will use bmc_sta's dot118021XPrivacy */
  				}
  
  			}
  
  		}
  
  	}
  
  exit:
  
  	return ret;
  
  }
  
  static int rtw_cfg80211_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
  {
  	int ret = 0;
  	u32 wep_key_idx, wep_key_len;
  	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
  	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
  	struct security_priv *psecuritypriv = &padapter->securitypriv;
  
  	DBG_8192C("%s\n", __func__);
  
  	param->u.crypt.err = 0;
  	param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
  
  	if (param_len < (u32) ((u8 *) param->u.crypt.key - (u8 *) param) + param->u.crypt.key_len)
  	{
  		ret =  -EINVAL;
  		goto exit;
  	}
  
  	if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
  	    param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
  	    param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff)
  	{
  		if (param->u.crypt.idx >= WEP_KEYS
  			|| param->u.crypt.idx >= BIP_MAX_KEYID
  		)
  		{
  			ret = -EINVAL;
  			goto exit;
  		}
  	} else {
  		{
  		ret = -EINVAL;
  		goto exit;
  	}
  	}
  
  	if (strcmp(param->u.crypt.alg, "WEP") == 0)
  	{
  		RT_TRACE(_module_rtl871x_ioctl_os_c, _drv_err_, ("wpa_set_encryption, crypt.alg = WEP\n"));
  		DBG_8192C("wpa_set_encryption, crypt.alg = WEP\n");
  
  		wep_key_idx = param->u.crypt.idx;
  		wep_key_len = param->u.crypt.key_len;
  
  		if ((wep_key_idx >= WEP_KEYS) || (wep_key_len <= 0))
  		{
  			ret = -EINVAL;
  			goto exit;
  		}
  
  		if (psecuritypriv->bWepDefaultKeyIdxSet == 0)
  		{
  			/* wep default key has not been set, so use this key index as default key. */
  
  			wep_key_len = wep_key_len <= 5 ? 5 : 13;
  
  			psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
  			psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
  			psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
  
  			if (wep_key_len == 13)
  			{
  				psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
  				psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
  			}
  
  			psecuritypriv->dot11PrivacyKeyIndex = wep_key_idx;
  		}
  
  		memcpy(&(psecuritypriv->dot11DefKey[wep_key_idx].skey[0]), param->u.crypt.key, wep_key_len);
  
  		psecuritypriv->dot11DefKeylen[wep_key_idx] = wep_key_len;
  
  		rtw_set_key(padapter, psecuritypriv, wep_key_idx, 0, true);
  
  		goto exit;
  	}
  
  	if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) /*  802_1x */
  	{
  		struct sta_info * psta, *pbcmc_sta;
  		struct sta_priv * pstapriv = &padapter->stapriv;
  
  		/* DBG_8192C("%s, : dot11AuthAlgrthm == dot11AuthAlgrthm_8021X\n", __func__); */
  
  		if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_MP_STATE) == true) /* sta mode */
  		{
  			psta = rtw_get_stainfo(pstapriv, get_bssid(pmlmepriv));
  			if (psta == NULL) {
  				/* DEBUG_ERR(("Set wpa_set_encryption: Obtain Sta_info fail\n")); */
  				DBG_8192C("%s, : Obtain Sta_info fail\n", __func__);
  			}
  			else
  			{
  				/* Jeff: don't disable ieee8021x_blocked while clearing key */
  				if (strcmp(param->u.crypt.alg, "none") != 0)
  					psta->ieee8021x_blocked = false;
  
  
  				if ((padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
  						(padapter->securitypriv.ndisencryptstatus ==  Ndis802_11Encryption3Enabled))
  				{
  					psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
  				}
  
  				if (param->u.crypt.set_tx == 1)/* pairwise key */
  				{
  
  					DBG_8192C("%s, : param->u.crypt.set_tx == 1\n", __func__);
  
  					memcpy(psta->dot118021x_UncstKey.skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
  
  					if (strcmp(param->u.crypt.alg, "TKIP") == 0)/* set mic key */
  					{
  						/* DEBUG_ERR(("\nset key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len)); */
  						memcpy(psta->dot11tkiptxmickey.skey, &(param->u.crypt.key[16]), 8);
  						memcpy(psta->dot11tkiprxmickey.skey, &(param->u.crypt.key[24]), 8);
  
  						padapter->securitypriv.busetkipkey = false;
  						/* _set_timer(&padapter->securitypriv.tkip_timer, 50); */
  					}
  
  					/* DEBUG_ERR((" param->u.crypt.key_len =%d\n", param->u.crypt.key_len)); */
  					DBG_871X(" ~~~~set sta key:unicastkey\n");
  
  					rtw_setstakey_cmd(padapter, psta, true, true);
  				}
  				else/* group key */
  				{
  					if (strcmp(param->u.crypt.alg, "TKIP") == 0 || strcmp(param->u.crypt.alg, "CCMP") == 0)
  					{
  						memcpy(padapter->securitypriv.dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
  						memcpy(padapter->securitypriv.dot118021XGrptxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[16]), 8);
  						memcpy(padapter->securitypriv.dot118021XGrprxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[24]), 8);
  	                                        padapter->securitypriv.binstallGrpkey = true;
  						/* DEBUG_ERR((" param->u.crypt.key_len =%d\n", param->u.crypt.key_len)); */
  						DBG_871X(" ~~~~set sta key:groupkey\n");
  
  						padapter->securitypriv.dot118021XGrpKeyid = param->u.crypt.idx;
  						rtw_set_key(padapter, &padapter->securitypriv, param->u.crypt.idx, 1, true);
  					}
  					else if (strcmp(param->u.crypt.alg, "BIP") == 0)
  					{
  						/* DBG_871X("BIP key_len =%d , index =%d @@@@@@@@@@@@@@@@@@\n", param->u.crypt.key_len, param->u.crypt.idx); */
  						/* save the IGTK key, length 16 bytes */
  						memcpy(padapter->securitypriv.dot11wBIPKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
  						/*DBG_871X("IGTK key below:\n");
  						for (no = 0;no<16;no++)
  							printk(" %02x ", padapter->securitypriv.dot11wBIPKey[param->u.crypt.idx].skey[no]);
  						DBG_871X("\n");*/
  						padapter->securitypriv.dot11wBIPKeyid = param->u.crypt.idx;
  						padapter->securitypriv.binstallBIPkey = true;
  						DBG_871X(" ~~~~set sta key:IGKT\n");
  					}
  				}
  			}
  
  			pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
  			if (pbcmc_sta == NULL)
  			{
  				/* DEBUG_ERR(("Set OID_802_11_ADD_KEY: bcmc stainfo is null\n")); */
  			}
  			else
  			{
  				/* Jeff: don't disable ieee8021x_blocked while clearing key */
  				if (strcmp(param->u.crypt.alg, "none") != 0)
  					pbcmc_sta->ieee8021x_blocked = false;
  
  				if ((padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
  						(padapter->securitypriv.ndisencryptstatus ==  Ndis802_11Encryption3Enabled))
  				{
  					pbcmc_sta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
  				}
  			}
  		}
  		else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) /* adhoc mode */
  		{
  		}
  	}
  
  exit:
  
  	DBG_8192C("%s, ret =%d\n", __func__, ret);
  
  	return ret;
  }
  
  static int cfg80211_rtw_add_key(struct wiphy *wiphy, struct net_device *ndev,
  				u8 key_index, bool pairwise, const u8 *mac_addr,
  				struct key_params *params)
  {
  	char *alg_name;
  	u32 param_len;
  	struct ieee_param *param = NULL;
  	int ret = 0;
  	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
  	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
  
  	DBG_871X(FUNC_NDEV_FMT" adding key for %pM\n", FUNC_NDEV_ARG(ndev), mac_addr);
  	DBG_871X("cipher = 0x%x\n", params->cipher);
  	DBG_871X("key_len = 0x%x\n", params->key_len);
  	DBG_871X("seq_len = 0x%x\n", params->seq_len);
  	DBG_871X("key_index =%d\n", key_index);
  	DBG_871X("pairwise =%d\n", pairwise);
  
  	param_len = sizeof(struct ieee_param) + params->key_len;
  	param = rtw_malloc(param_len);
  	if (param == NULL)
  		return -1;
  
  	memset(param, 0, param_len);
  
  	param->cmd = IEEE_CMD_SET_ENCRYPTION;
  	memset(param->sta_addr, 0xff, ETH_ALEN);
  
  	switch (params->cipher) {
  	case IW_AUTH_CIPHER_NONE:
  		/* todo: remove key */
  		/* remove = 1; */
  		alg_name = "none";
  		break;
  	case WLAN_CIPHER_SUITE_WEP40:
  	case WLAN_CIPHER_SUITE_WEP104:
  		alg_name = "WEP";
  		break;
  	case WLAN_CIPHER_SUITE_TKIP:
  		alg_name = "TKIP";
  		break;
  	case WLAN_CIPHER_SUITE_CCMP:
  		alg_name = "CCMP";
  		break;
  	case WLAN_CIPHER_SUITE_AES_CMAC:
  		alg_name = "BIP";
  		break;
  	default:
  		ret = -ENOTSUPP;
  		goto addkey_end;
  	}
  
  	strncpy((char *)param->u.crypt.alg, alg_name, IEEE_CRYPT_ALG_NAME_LEN);
  
  
  	if (!mac_addr || is_broadcast_ether_addr(mac_addr))
  	{
  		param->u.crypt.set_tx = 0; /* for wpa/wpa2 group key */
  	} else {
  		param->u.crypt.set_tx = 1; /* for wpa/wpa2 pairwise key */
  	}
  
  	param->u.crypt.idx = key_index;
  
  	if (params->seq_len && params->seq)
  	{
  		memcpy(param->u.crypt.seq, (u8 *)params->seq, params->seq_len);
  	}
  
  	if (params->key_len && params->key)
  	{
  		param->u.crypt.key_len = params->key_len;
  		memcpy(param->u.crypt.key, (u8 *)params->key, params->key_len);
  	}
  
  	if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true)
  	{
  		ret =  rtw_cfg80211_set_encryption(ndev, param, param_len);
  	}
  	else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
  	{
  		if (mac_addr)
  			memcpy(param->sta_addr, (void *)mac_addr, ETH_ALEN);
  
  		ret = rtw_cfg80211_ap_set_encryption(ndev, param, param_len);
  	}
          else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true
                  || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)
          {
                  /* DBG_8192C("@@@@@@@@@@ fw_state = 0x%x, iftype =%d\n", pmlmepriv->fw_state, rtw_wdev->iftype); */
                  ret =  rtw_cfg80211_set_encryption(ndev, param, param_len);
          }
  	else
  	{
  		DBG_8192C("error!\n");
  
  	}
  
  addkey_end:
  	kfree(param);
  
  	return ret;
  
  }
  
  static int cfg80211_rtw_get_key(struct wiphy *wiphy, struct net_device *ndev,
  				u8 key_index, bool pairwise, const u8 *mac_addr,
  				void *cookie,
  				void (*callback)(void *cookie,
  						 struct key_params*))
  {
  	DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
  	return 0;
  }
  
  static int cfg80211_rtw_del_key(struct wiphy *wiphy, struct net_device *ndev,
  				u8 key_index, bool pairwise, const u8 *mac_addr)
  {
  	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
  	struct security_priv *psecuritypriv = &padapter->securitypriv;
  
  	DBG_871X(FUNC_NDEV_FMT" key_index =%d\n", FUNC_NDEV_ARG(ndev), key_index);
  
  	if (key_index == psecuritypriv->dot11PrivacyKeyIndex)
  	{
  		/* clear the flag of wep default key set. */
  		psecuritypriv->bWepDefaultKeyIdxSet = 0;
  	}
  
  	return 0;
  }
  
  static int cfg80211_rtw_set_default_key(struct wiphy *wiphy,
  	struct net_device *ndev, u8 key_index
  	, bool unicast, bool multicast
  	)
  {
  	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
  	struct security_priv *psecuritypriv = &padapter->securitypriv;
  
  	DBG_871X(FUNC_NDEV_FMT" key_index =%d, unicast =%d, multicast =%d\n",
  		 FUNC_NDEV_ARG(ndev), key_index, unicast, multicast);
  
  	if ((key_index < WEP_KEYS) && ((psecuritypriv->dot11PrivacyAlgrthm == _WEP40_) || (psecuritypriv->dot11PrivacyAlgrthm == _WEP104_))) /* set wep default key */
  	{
  		psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
  
  		psecuritypriv->dot11PrivacyKeyIndex = key_index;
  
  		psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
  		psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
  		if (psecuritypriv->dot11DefKeylen[key_index] == 13)
  		{
  			psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
  			psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
  		}
  
  		psecuritypriv->bWepDefaultKeyIdxSet = 1; /* set the flag to represent that wep default key has been set */
  	}
  
  	return 0;
  
  }
  
  static int cfg80211_rtw_get_station(struct wiphy *wiphy,
  				    struct net_device *ndev,
  				const u8 *mac,
  				struct station_info *sinfo)
  {
  	int ret = 0;
  	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
  	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
  	struct sta_info *psta = NULL;
  	struct sta_priv *pstapriv = &padapter->stapriv;
  
  	sinfo->filled = 0;
  
  	if (!mac) {
  		DBG_871X(FUNC_NDEV_FMT" mac ==%p\n", FUNC_NDEV_ARG(ndev), mac);
  		ret = -ENOENT;
  		goto exit;
  	}
  
  	psta = rtw_get_stainfo(pstapriv, (u8 *)mac);
  	if (psta == NULL) {
  		DBG_8192C("%s, sta_info is null\n", __func__);
  		ret = -ENOENT;
  		goto exit;
  	}
  
  #ifdef DEBUG_CFG80211
  	DBG_871X(FUNC_NDEV_FMT" mac ="MAC_FMT"\n", FUNC_NDEV_ARG(ndev), MAC_ARG(mac));
  #endif
  
  	/* for infra./P2PClient mode */
  	if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
  		&& check_fwstate(pmlmepriv, _FW_LINKED)
  	)
  	{
  		struct wlan_network  *cur_network = &(pmlmepriv->cur_network);
  
  		if (memcmp((u8 *)mac, cur_network->network.MacAddress, ETH_ALEN)) {
  			DBG_871X("%s, mismatch bssid ="MAC_FMT"\n", __func__, MAC_ARG(cur_network->network.MacAddress));
  			ret = -ENOENT;
  			goto exit;
  		}
  
  		sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
  		sinfo->signal = translate_percentage_to_dbm(padapter->recvpriv.signal_strength);
  
  		sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
  		sinfo->txrate.legacy = rtw_get_cur_max_rate(padapter);
  
  		sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS);
  		sinfo->rx_packets = sta_rx_data_pkts(psta);
  
  		sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS);
  		sinfo->tx_packets = psta->sta_stats.tx_pkts;
  		sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED);
  	}
  
  	/* for Ad-Hoc/AP mode */
  	if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)
   || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)
   || check_fwstate(pmlmepriv, WIFI_AP_STATE))
  		&& check_fwstate(pmlmepriv, _FW_LINKED)
  	)
  	{
  		/* TODO: should acquire station info... */
  	}
  
  exit:
  	return ret;
  }
  
  extern int netdev_open(struct net_device *pnetdev);
  
  static int cfg80211_rtw_change_iface(struct wiphy *wiphy,
  				     struct net_device *ndev,
  				     enum nl80211_iftype type,
  				     struct vif_params *params)
  {
  	enum nl80211_iftype old_type;
  	enum NDIS_802_11_NETWORK_INFRASTRUCTURE networkType;
  	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
  	struct wireless_dev *rtw_wdev = padapter->rtw_wdev;
  	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
  	int ret = 0;
  
  	DBG_871X(FUNC_NDEV_FMT" type =%d\n", FUNC_NDEV_ARG(ndev), type);
  
  	if (adapter_to_dvobj(padapter)->processing_dev_remove == true)
  	{
  		ret = -EPERM;
  		goto exit;
  	}
  
  	{
  		DBG_871X(FUNC_NDEV_FMT" call netdev_open\n", FUNC_NDEV_ARG(ndev));
  		if (netdev_open(ndev) != 0) {
  			DBG_871X(FUNC_NDEV_FMT" call netdev_open fail\n", FUNC_NDEV_ARG(ndev));
  			ret = -EPERM;
  			goto exit;
  		}
  	}
  
  	if (_FAIL == rtw_pwr_wakeup(padapter)) {
  		DBG_871X(FUNC_NDEV_FMT" call rtw_pwr_wakeup fail\n", FUNC_NDEV_ARG(ndev));
  		ret = -EPERM;
  		goto exit;
  	}
  
  	old_type = rtw_wdev->iftype;
  	DBG_871X(FUNC_NDEV_FMT" old_iftype =%d, new_iftype =%d\n",
  		FUNC_NDEV_ARG(ndev), old_type, type);
  
  	if (old_type != type)
  	{
  		pmlmeext->action_public_rxseq = 0xffff;
  		pmlmeext->action_public_dialog_token = 0xff;
  	}
  
  	switch (type) {
  	case NL80211_IFTYPE_ADHOC:
  		networkType = Ndis802_11IBSS;
  		break;
  	case NL80211_IFTYPE_STATION:
  		networkType = Ndis802_11Infrastructure;
  		break;
  	case NL80211_IFTYPE_AP:
  		networkType = Ndis802_11APMode;
  		break;
  	default:
  		ret = -EOPNOTSUPP;
  		goto exit;
  	}
  
  	rtw_wdev->iftype = type;
  
  	if (rtw_set_802_11_infrastructure_mode(padapter, networkType) == false)
  	{
  		rtw_wdev->iftype = old_type;
  		ret = -EPERM;
  		goto exit;
  	}
  
  	rtw_setopmode_cmd(padapter, networkType, true);
  
  exit:
  
  	DBG_871X(FUNC_NDEV_FMT" ret:%d\n", FUNC_NDEV_ARG(ndev), ret);
  	return ret;
  }
  
  void rtw_cfg80211_indicate_scan_done(struct adapter *adapter, bool aborted)
  {
  	struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(adapter);
  	struct cfg80211_scan_info info = {
  		.aborted = aborted
  	};
  
  	spin_lock_bh(&pwdev_priv->scan_req_lock);
  	if (pwdev_priv->scan_request != NULL) {
  		#ifdef DEBUG_CFG80211
  		DBG_871X("%s with scan req\n", __func__);
  		#endif
  
  		/* avoid WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req); */
  		if (pwdev_priv->scan_request->wiphy != pwdev_priv->rtw_wdev->wiphy)
  		{
  			DBG_8192C("error wiphy compare\n");
  		}
  		else
  		{
  			cfg80211_scan_done(pwdev_priv->scan_request, &info);
  		}
  
  		pwdev_priv->scan_request = NULL;
  	} else {
  		#ifdef DEBUG_CFG80211
  		DBG_871X("%s without scan req\n", __func__);
  		#endif
  	}
  	spin_unlock_bh(&pwdev_priv->scan_req_lock);
  }
  
  void rtw_cfg80211_unlink_bss(struct adapter *padapter, struct wlan_network *pnetwork)
  {
  	struct wireless_dev *pwdev = padapter->rtw_wdev;
  	struct wiphy *wiphy = pwdev->wiphy;
  	struct cfg80211_bss *bss = NULL;
  	struct wlan_bssid_ex *select_network = &pnetwork->network;
  
  	bss = cfg80211_get_bss(wiphy, NULL/*notify_channel*/,
  		select_network->MacAddress, select_network->Ssid.Ssid,
  		select_network->Ssid.SsidLength, 0/*WLAN_CAPABILITY_ESS*/,
  		0/*WLAN_CAPABILITY_ESS*/);
  
  	if (bss) {
  		cfg80211_unlink_bss(wiphy, bss);
  		DBG_8192C("%s(): cfg80211_unlink %s!! () ", __func__,
  			  select_network->Ssid.Ssid);
  		cfg80211_put_bss(padapter->rtw_wdev->wiphy, bss);
  	}
  }
  
  void rtw_cfg80211_surveydone_event_callback(struct adapter *padapter)
  {
  	struct list_head					*plist, *phead;
  	struct	mlme_priv *pmlmepriv = &(padapter->mlmepriv);
  	struct __queue *queue	= &(pmlmepriv->scanned_queue);
  	struct	wlan_network	*pnetwork = NULL;
  
  #ifdef DEBUG_CFG80211
  	DBG_8192C("%s\n", __func__);
  #endif
  
  	spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
  
  	phead = get_list_head(queue);
  	plist = get_next(phead);
  
  	while (1)
  	{
  		if (phead == plist)
  			break;
  
  		pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
  
  		/* report network only if the current channel set contains the channel to which this network belongs */
  		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))
  		)
  		{
  			/* ev =translate_scan(padapter, a, pnetwork, ev, stop); */
  			rtw_cfg80211_inform_bss(padapter, pnetwork);
  		}
  
  		plist = get_next(plist);
  
  	}
  
  	spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
  }
  
  static int rtw_cfg80211_set_probe_req_wpsp2pie(struct adapter *padapter, char *buf, int len)
  {
  	int ret = 0;
  	uint wps_ielen = 0;
  	u8 *wps_ie;
  	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
  
  #ifdef DEBUG_CFG80211
  	DBG_8192C("%s, ielen =%d\n", __func__, len);
  #endif
  
  	if (len > 0)
  	{
  		if ((wps_ie = rtw_get_wps_ie(buf, len, NULL, &wps_ielen)))
  		{
  			#ifdef DEBUG_CFG80211
  			DBG_8192C("probe_req_wps_ielen =%d\n", wps_ielen);
  			#endif
  
  			if (pmlmepriv->wps_probe_req_ie)
  			{
  				pmlmepriv->wps_probe_req_ie_len = 0;
  				kfree(pmlmepriv->wps_probe_req_ie);
  				pmlmepriv->wps_probe_req_ie = NULL;
  			}
  
  			pmlmepriv->wps_probe_req_ie = rtw_malloc(wps_ielen);
  			if (pmlmepriv->wps_probe_req_ie == NULL) {
  				DBG_8192C("%s()-%d: rtw_malloc() ERROR!\n", __func__, __LINE__);
  				return -EINVAL;
  
  			}
  			memcpy(pmlmepriv->wps_probe_req_ie, wps_ie, wps_ielen);
  			pmlmepriv->wps_probe_req_ie_len = wps_ielen;
  		}
  	}
  
  	return ret;
  
  }
  
  static int cfg80211_rtw_scan(struct wiphy *wiphy
  	, struct cfg80211_scan_request *request)
  {
  	struct net_device *ndev = wdev_to_ndev(request->wdev);
  	int i;
  	u8 _status = false;
  	int ret = 0;
  	struct ndis_802_11_ssid *ssid = NULL;
  	struct rtw_ieee80211_channel ch[RTW_CHANNEL_SCAN_AMOUNT];
  	u8 survey_times = 3;
  	u8 survey_times_for_one_ch = 6;
  	struct cfg80211_ssid *ssids = request->ssids;
  	int j = 0;
  	bool need_indicate_scan_done = false;
  
  	struct adapter *padapter;
  	struct rtw_wdev_priv *pwdev_priv;
  	struct mlme_priv *pmlmepriv;
  
  	if (ndev == NULL) {
  		ret = -EINVAL;
  		goto exit;
  	}
  
  	padapter = (struct adapter *)rtw_netdev_priv(ndev);
  	pwdev_priv = adapter_wdev_data(padapter);
  	pmlmepriv = &padapter->mlmepriv;
  
  /* ifdef DEBUG_CFG80211 */
  	DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
  /* endif */
  
  	spin_lock_bh(&pwdev_priv->scan_req_lock);
  	pwdev_priv->scan_request = request;
  	spin_unlock_bh(&pwdev_priv->scan_req_lock);
  
  	if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
  	{
  #ifdef DEBUG_CFG80211
  		DBG_871X("%s under WIFI_AP_STATE\n", __func__);
  #endif
  
  		if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS|_FW_UNDER_SURVEY|_FW_UNDER_LINKING) == true)
  		{
  			DBG_8192C("%s, fwstate = 0x%x\n", __func__, pmlmepriv->fw_state);
  
  			if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS))
  			{
  				DBG_8192C("AP mode process WPS\n");
  			}
  
  			need_indicate_scan_done = true;
  			goto check_need_indicate_scan_done;
  		}
  	}
  
  	rtw_ps_deny(padapter, PS_DENY_SCAN);
  	if (_FAIL == rtw_pwr_wakeup(padapter)) {
  		need_indicate_scan_done = true;
  		goto check_need_indicate_scan_done;
  	}
  
  	if (request->ie && request->ie_len > 0)
  	{
  		rtw_cfg80211_set_probe_req_wpsp2pie(padapter, (u8 *)request->ie, request->ie_len);
  	}
  
  	if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) {
  		DBG_8192C("%s, fwstate = 0x%x\n", __func__, pmlmepriv->fw_state);
  		need_indicate_scan_done = true;
  		goto check_need_indicate_scan_done;
  	} else if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
  		DBG_8192C("%s, fwstate = 0x%x\n", __func__, pmlmepriv->fw_state);
  		ret = -EBUSY;
  		goto check_need_indicate_scan_done;
  	}
  
  	if (pmlmepriv->LinkDetectInfo.bBusyTraffic == true)
  	{
  		static unsigned long lastscantime = 0;
  		unsigned long passtime;
  
  		passtime = jiffies_to_msecs(jiffies - lastscantime);
  		lastscantime = jiffies;
  		if (passtime > 12000)
  		{
  			DBG_871X("%s: bBusyTraffic == true\n", __func__);
  			need_indicate_scan_done = true;
  			goto check_need_indicate_scan_done;
  		}
  	}
  
  	if (rtw_is_scan_deny(padapter)) {
  		DBG_871X(FUNC_ADPT_FMT  ": scan deny\n", FUNC_ADPT_ARG(padapter));
  		need_indicate_scan_done = true;
  		goto check_need_indicate_scan_done;
  	}
  
  	ssid = kzalloc(RTW_SSID_SCAN_AMOUNT * sizeof(struct ndis_802_11_ssid),
  		       GFP_KERNEL);
  	if (!ssid) {
  		ret = -ENOMEM;
  		goto check_need_indicate_scan_done;
  	}
  
  	/* parsing request ssids, n_ssids */
  	for (i = 0; i < request->n_ssids && i < RTW_SSID_SCAN_AMOUNT; i++) {
  		#ifdef DEBUG_CFG80211
  		DBG_8192C("ssid =%s, len =%d\n", ssids[i].ssid, ssids[i].ssid_len);
  		#endif
  		memcpy(ssid[i].Ssid, ssids[i].ssid, ssids[i].ssid_len);
  		ssid[i].SsidLength = ssids[i].ssid_len;
  	}
  
  	/* parsing channels, n_channels */
  	memset(ch, 0, sizeof(struct rtw_ieee80211_channel)*RTW_CHANNEL_SCAN_AMOUNT);
  	for (i = 0; i < request->n_channels && i < RTW_CHANNEL_SCAN_AMOUNT; i++) {
  		#ifdef DEBUG_CFG80211
  		DBG_871X(FUNC_ADPT_FMT CHAN_FMT"\n", FUNC_ADPT_ARG(padapter), CHAN_ARG(request->channels[i]));
  		#endif
  		ch[i].hw_value = request->channels[i]->hw_value;
  		ch[i].flags = request->channels[i]->flags;
  	}
  
  	spin_lock_bh(&pmlmepriv->lock);
  	if (request->n_channels == 1) {
  		for (i = 1; i < survey_times_for_one_ch; i++)
  			memcpy(&ch[i], &ch[0], sizeof(struct rtw_ieee80211_channel));
  		_status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, ch, survey_times_for_one_ch);
  	} else if (request->n_channels <= 4) {
  		for (j = request->n_channels - 1; j >= 0; j--)
  			for (i = 0; i < survey_times; i++)
  		{
  			memcpy(&ch[j*survey_times+i], &ch[j], sizeof(struct rtw_ieee80211_channel));
  		}
  		_status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, ch, survey_times * request->n_channels);
  	} else {
  		_status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, NULL, 0);
  	}
  	spin_unlock_bh(&pmlmepriv->lock);
  
  
  	if (_status == false)
  	{
  		ret = -1;
  	}
  
  check_need_indicate_scan_done:
  	kfree(ssid);
  	if (need_indicate_scan_done)
  	{
  		rtw_cfg80211_surveydone_event_callback(padapter);
  		rtw_cfg80211_indicate_scan_done(padapter, false);
  	}
  
  	rtw_ps_deny_cancel(padapter, PS_DENY_SCAN);
  
  exit:
  	return ret;
  
  }
  
  static int cfg80211_rtw_set_wiphy_params(struct wiphy *wiphy, u32 changed)
  {
  	DBG_8192C("%s\n", __func__);
  	return 0;
  }
  
  
  
  static int rtw_cfg80211_set_wpa_version(struct security_priv *psecuritypriv, u32 wpa_version)
  {
  	DBG_8192C("%s, wpa_version =%d\n", __func__, wpa_version);
  
  	if (!wpa_version) {
  		psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
  		return 0;
  	}
  
  
  	if (wpa_version & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
  	{
  		psecuritypriv->ndisauthtype = Ndis802_11AuthModeWPAPSK;
  	}
  
  	return 0;
  
  }
  
  static int rtw_cfg80211_set_auth_type(struct security_priv *psecuritypriv,
  			     enum nl80211_auth_type sme_auth_type)
  {
  	DBG_8192C("%s, nl80211_auth_type =%d\n", __func__, sme_auth_type);
  
  
  	switch (sme_auth_type) {
  	case NL80211_AUTHTYPE_AUTOMATIC:
  
  		psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Auto;
  
  		break;
  	case NL80211_AUTHTYPE_OPEN_SYSTEM:
  
  		psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
  
  		if (psecuritypriv->ndisauthtype > Ndis802_11AuthModeWPA)
  			psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
  
  		break;
  	case NL80211_AUTHTYPE_SHARED_KEY:
  
  		psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Shared;
  
  		psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
  
  
  		break;
  	default:
  		psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
  		/* return -ENOTSUPP; */
  	}
  
  	return 0;
  
  }
  
  static int rtw_cfg80211_set_cipher(struct security_priv *psecuritypriv, u32 cipher, bool ucast)
  {
  	u32 ndisencryptstatus = Ndis802_11EncryptionDisabled;
  
  	u32 *profile_cipher = ucast ? &psecuritypriv->dot11PrivacyAlgrthm :
  		&psecuritypriv->dot118021XGrpPrivacy;
  
  	DBG_8192C("%s, ucast =%d, cipher = 0x%x\n", __func__, ucast, cipher);
  
  
  	if (!cipher) {
  		*profile_cipher = _NO_PRIVACY_;
  		psecuritypriv->ndisencryptstatus = ndisencryptstatus;
  		return 0;
  	}
  
  	switch (cipher) {
  	case IW_AUTH_CIPHER_NONE:
  		*profile_cipher = _NO_PRIVACY_;
  		ndisencryptstatus = Ndis802_11EncryptionDisabled;
  		break;
  	case WLAN_CIPHER_SUITE_WEP40:
  		*profile_cipher = _WEP40_;
  		ndisencryptstatus = Ndis802_11Encryption1Enabled;
  		break;
  	case WLAN_CIPHER_SUITE_WEP104:
  		*profile_cipher = _WEP104_;
  		ndisencryptstatus = Ndis802_11Encryption1Enabled;
  		break;
  	case WLAN_CIPHER_SUITE_TKIP:
  		*profile_cipher = _TKIP_;
  		ndisencryptstatus = Ndis802_11Encryption2Enabled;
  		break;
  	case WLAN_CIPHER_SUITE_CCMP:
  		*profile_cipher = _AES_;
  		ndisencryptstatus = Ndis802_11Encryption3Enabled;
  		break;
  	default:
  		DBG_8192C("Unsupported cipher: 0x%x\n", cipher);
  		return -ENOTSUPP;
  	}
  
  	if (ucast)
  	{
  		psecuritypriv->ndisencryptstatus = ndisencryptstatus;
  
  		/* if (psecuritypriv->dot11PrivacyAlgrthm >= _AES_) */
  		/*	psecuritypriv->ndisauthtype = Ndis802_11AuthModeWPA2PSK; */
  	}
  
  	return 0;
  }
  
  static int rtw_cfg80211_set_key_mgt(struct security_priv *psecuritypriv, u32 key_mgt)
  {
  	DBG_8192C("%s, key_mgt = 0x%x\n", __func__, key_mgt);
  
  	if (key_mgt == WLAN_AKM_SUITE_8021X)
  		/* auth_type = UMAC_AUTH_TYPE_8021X; */
  		psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
  	else if (key_mgt == WLAN_AKM_SUITE_PSK) {
  		psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
  	}
  	else {
  		DBG_8192C("Invalid key mgt: 0x%x\n", key_mgt);
  		/* return -EINVAL; */
  	}
  
  	return 0;
  }
  
  static int rtw_cfg80211_set_wpa_ie(struct adapter *padapter, u8 *pie, size_t ielen)
  {
  	u8 *buf = NULL;
  	int group_cipher = 0, pairwise_cipher = 0;
  	int ret = 0;
  	int wpa_ielen = 0;
  	int wpa2_ielen = 0;
  	u8 *pwpa, *pwpa2;
  	u8 null_addr[] = {0, 0, 0, 0, 0, 0};
  
  	if (pie == NULL || !ielen) {
  		/* Treat this as normal case, but need to clear WIFI_UNDER_WPS */
  		_clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
  		goto exit;
  	}
  
  	if (ielen > MAX_WPA_IE_LEN+MAX_WPS_IE_LEN+MAX_P2P_IE_LEN) {
  		ret = -EINVAL;
  		goto exit;
  	}
  
  	buf = rtw_zmalloc(ielen);
  	if (buf == NULL) {
  		ret =  -ENOMEM;
  		goto exit;
  	}
  
  	memcpy(buf, pie, ielen);
  
  	/* dump */
  	{
  		int i;
  		DBG_8192C("set wpa_ie(length:%zu):\n", ielen);
  		for (i = 0; i < ielen; i = i + 8)
  			DBG_8192C("0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x\n", buf[i], buf[i+1], buf[i+2], buf[i+3], buf[i+4], buf[i+5], buf[i+6], buf[i+7]);
  	}
  
  	if (ielen < RSN_HEADER_LEN) {
  		RT_TRACE(_module_rtl871x_ioctl_os_c, _drv_err_, ("Ie len too short %d\n", ielen));
  		ret  = -1;
  		goto exit;
  	}
  
  	pwpa = rtw_get_wpa_ie(buf, &wpa_ielen, ielen);
  	if (pwpa && wpa_ielen > 0)
  	{
  		if (rtw_parse_wpa_ie(pwpa, wpa_ielen+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS)
  		{
  			padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
  			padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPAPSK;
  			memcpy(padapter->securitypriv.supplicant_ie, &pwpa[0], wpa_ielen+2);
  
  			DBG_8192C("got wpa_ie, wpa_ielen:%u\n", wpa_ielen);
  		}
  	}
  
  	pwpa2 = rtw_get_wpa2_ie(buf, &wpa2_ielen, ielen);
  	if (pwpa2 && wpa2_ielen > 0)
  	{
  		if (rtw_parse_wpa2_ie(pwpa2, wpa2_ielen+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS)
  		{
  			padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
  			padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPA2PSK;
  			memcpy(padapter->securitypriv.supplicant_ie, &pwpa2[0], wpa2_ielen+2);
  
  			DBG_8192C("got wpa2_ie, wpa2_ielen:%u\n", wpa2_ielen);
  		}
  	}
  
  	if (group_cipher == 0)
  	{
  		group_cipher = WPA_CIPHER_NONE;
  	}
  	if (pairwise_cipher == 0)
  	{
  		pairwise_cipher = WPA_CIPHER_NONE;
  	}
  
  	switch (group_cipher)
  	{
  		case WPA_CIPHER_NONE:
  			padapter->securitypriv.dot118021XGrpPrivacy = _NO_PRIVACY_;
  			padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
  			break;
  		case WPA_CIPHER_WEP40:
  			padapter->securitypriv.dot118021XGrpPrivacy = _WEP40_;
  			padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
  			break;
  		case WPA_CIPHER_TKIP:
  			padapter->securitypriv.dot118021XGrpPrivacy = _TKIP_;
  			padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
  			break;
  		case WPA_CIPHER_CCMP:
  			padapter->securitypriv.dot118021XGrpPrivacy = _AES_;
  			padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
  			break;
  		case WPA_CIPHER_WEP104:
  			padapter->securitypriv.dot118021XGrpPrivacy = _WEP104_;
  			padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
  			break;
  	}
  
  	switch (pairwise_cipher)
  	{
  		case WPA_CIPHER_NONE:
  			padapter->securitypriv.dot11PrivacyAlgrthm = _NO_PRIVACY_;
  			padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
  			break;
  		case WPA_CIPHER_WEP40:
  			padapter->securitypriv.dot11PrivacyAlgrthm = _WEP40_;
  			padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
  			break;
  		case WPA_CIPHER_TKIP:
  			padapter->securitypriv.dot11PrivacyAlgrthm = _TKIP_;
  			padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
  			break;
  		case WPA_CIPHER_CCMP:
  			padapter->securitypriv.dot11PrivacyAlgrthm = _AES_;
  			padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
  			break;
  		case WPA_CIPHER_WEP104:
  			padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
  			padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
  			break;
  	}
  
  	{/* handle wps_ie */
  		uint wps_ielen;
  		u8 *wps_ie;
  
  		wps_ie = rtw_get_wps_ie(buf, ielen, NULL, &wps_ielen);
  		if (wps_ie && wps_ielen > 0) {
  			DBG_8192C("got wps_ie, wps_ielen:%u\n", wps_ielen);
  			padapter->securitypriv.wps_ie_len = wps_ielen < MAX_WPS_IE_LEN ? wps_ielen : MAX_WPS_IE_LEN;
  			memcpy(padapter->securitypriv.wps_ie, wps_ie, padapter->securitypriv.wps_ie_len);
  			set_fwstate(&padapter->mlmepriv, WIFI_UNDER_WPS);
  		} else {
  			_clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
  		}
  	}
  
  	/* TKIP and AES disallow multicast packets until installing group key */
  	if (padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_
  		|| padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_WTMIC_
  		|| padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
  		/* WPS open need to enable multicast */
  		/*  check_fwstate(&padapter->mlmepriv, WIFI_UNDER_WPS) == true) */
  		rtw_hal_set_hwreg(padapter, HW_VAR_OFF_RCR_AM, null_addr);
  
  	RT_TRACE(_module_rtl871x_ioctl_os_c, _drv_info_,
  		("rtw_set_wpa_ie: pairwise_cipher = 0x%08x padapter->securitypriv.ndisencryptstatus =%d padapter->securitypriv.ndisauthtype =%d\n",
  		pairwise_cipher, padapter->securitypriv.ndisencryptstatus, padapter->securitypriv.ndisauthtype));
  
  exit:
  	kfree(buf);
  	if (ret)
  		_clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
  	return ret;
  }
  
  static int cfg80211_rtw_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
  				  struct cfg80211_ibss_params *params)
  {
  	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
  	struct ndis_802_11_ssid ndis_ssid;
  	struct security_priv *psecuritypriv = &padapter->securitypriv;
  	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
  	int ret = 0;
  
  	if (_FAIL == rtw_pwr_wakeup(padapter)) {
  		ret = -EPERM;
  		goto exit;
  	}
  
  	if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
  		ret = -EPERM;
  		goto exit;
  	}
  
  	if (!params->ssid || !params->ssid_len)
  	{
  		ret = -EINVAL;
  		goto exit;
  	}
  
  	if (params->ssid_len > IW_ESSID_MAX_SIZE) {
  
  		ret = -E2BIG;
  		goto exit;
  	}
  
  	memset(&ndis_ssid, 0, sizeof(struct ndis_802_11_ssid));
  	ndis_ssid.SsidLength = params->ssid_len;
  	memcpy(ndis_ssid.Ssid, (u8 *)params->ssid, params->ssid_len);
  
  	/* DBG_8192C("ssid =%s, len =%zu\n", ndis_ssid.Ssid, params->ssid_len); */
  
  	psecuritypriv->ndisencryptstatus = Ndis802_11EncryptionDisabled;
  	psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
  	psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
  	psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
  	psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
  
  	ret = rtw_cfg80211_set_auth_type(psecuritypriv, NL80211_AUTHTYPE_OPEN_SYSTEM);
  	rtw_set_802_11_authentication_mode(padapter, psecuritypriv->ndisauthtype);
  
  	if (rtw_set_802_11_ssid(padapter, &ndis_ssid) == false)
  	{
  		ret = -1;
  		goto exit;
  	}
  
  exit:
  	return ret;
  }
  
  static int cfg80211_rtw_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
  {
  	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
  	struct wireless_dev *rtw_wdev = padapter->rtw_wdev;
  	enum nl80211_iftype old_type;
  	int ret = 0;
  
  	DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
  
  	old_type = rtw_wdev->iftype;
  
  	rtw_set_to_roam(padapter, 0);
  
  	if (check_fwstate(&padapter->mlmepriv, _FW_LINKED))
  	{
  		rtw_scan_abort(padapter);
  		LeaveAllPowerSaveMode(padapter);
  
  		rtw_wdev->iftype = NL80211_IFTYPE_STATION;
  
  		if (rtw_set_802_11_infrastructure_mode(padapter, Ndis802_11Infrastructure) == false)
  		{
  			rtw_wdev->iftype = old_type;
  			ret = -EPERM;
  			goto leave_ibss;
  		}
  		rtw_setopmode_cmd(padapter, Ndis802_11Infrastructure, true);
  	}
  
  leave_ibss:
  	return ret;
  }
  
  static int cfg80211_rtw_connect(struct wiphy *wiphy, struct net_device *ndev,
  				 struct cfg80211_connect_params *sme)
  {
  	int ret = 0;
  	enum NDIS_802_11_AUTHENTICATION_MODE authmode;
  	struct ndis_802_11_ssid ndis_ssid;
  	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
  	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
  	struct security_priv *psecuritypriv = &padapter->securitypriv;
  
  	padapter->mlmepriv.not_indic_disco = true;
  
  	DBG_871X("=>"FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
  	DBG_871X("privacy =%d, key =%p, key_len =%d, key_idx =%d\n",
  		sme->privacy, sme->key, sme->key_len, sme->key_idx);
  
  
  	if (adapter_wdev_data(padapter)->block == true)
  	{
  		ret = -EBUSY;
  		DBG_871X("%s wdev_priv.block is set\n", __func__);
  		goto exit;
  	}
  
  	rtw_ps_deny(padapter, PS_DENY_JOIN);
  	if (_FAIL == rtw_pwr_wakeup(padapter)) {
  		ret = -EPERM;
  		goto exit;
  	}
  
  	if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
  		ret = -EPERM;
  		goto exit;
  	}
  
  	if (!sme->ssid || !sme->ssid_len)
  	{
  		ret = -EINVAL;
  		goto exit;
  	}
  
  	if (sme->ssid_len > IW_ESSID_MAX_SIZE) {
  
  		ret = -E2BIG;
  		goto exit;
  	}
  
  	memset(&ndis_ssid, 0, sizeof(struct ndis_802_11_ssid));
  	ndis_ssid.SsidLength = sme->ssid_len;
  	memcpy(ndis_ssid.Ssid, (u8 *)sme->ssid, sme->ssid_len);
  
  	DBG_8192C("ssid =%s, len =%zu\n", ndis_ssid.Ssid, sme->ssid_len);
  
  
  	if (sme->bssid)
  		DBG_8192C("bssid ="MAC_FMT"\n", MAC_ARG(sme->bssid));
  
  
  	if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
  		ret = -EBUSY;
  		DBG_8192C("%s, fw_state = 0x%x, goto exit\n", __func__, pmlmepriv->fw_state);
  		goto exit;
  	}
  	if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) {
  		rtw_scan_abort(padapter);
  	}
  
  	psecuritypriv->ndisencryptstatus = Ndis802_11EncryptionDisabled;
  	psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
  	psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
  	psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
  	psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
  
  	ret = rtw_cfg80211_set_wpa_version(psecuritypriv, sme->crypto.wpa_versions);
  	if (ret < 0)
  		goto exit;
  
  	ret = rtw_cfg80211_set_auth_type(psecuritypriv, sme->auth_type);
  
  	if (ret < 0)
  		goto exit;
  
  	DBG_8192C("%s, ie_len =%zu\n", __func__, sme->ie_len);
  
  	ret = rtw_cfg80211_set_wpa_ie(padapter, (u8 *)sme->ie, sme->ie_len);
  	if (ret < 0)
  		goto exit;
  
  	if (sme->crypto.n_ciphers_pairwise) {
  		ret = rtw_cfg80211_set_cipher(psecuritypriv, sme->crypto.ciphers_pairwise[0], true);
  		if (ret < 0)
  			goto exit;
  	}
  
  	/* For WEP Shared auth */
  	if ((psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_Shared
  		|| psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_Auto) && sme->key
  	)
  	{
  		u32 wep_key_idx, wep_key_len, wep_total_len;
  		struct ndis_802_11_wep	 *pwep = NULL;
  		DBG_871X("%s(): Shared/Auto WEP\n", __func__);
  
  		wep_key_idx = sme->key_idx;
  		wep_key_len = sme->key_len;
  
  		if (sme->key_idx > WEP_KEYS) {
  			ret = -EINVAL;
  			goto exit;
  		}
  
  		if (wep_key_len > 0)
  		{
  			wep_key_len = wep_key_len <= 5 ? 5 : 13;
  			wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, KeyMaterial);
  			pwep = rtw_malloc(wep_total_len);
  			if (pwep == NULL) {
  				DBG_871X(" wpa_set_encryption: pwep allocate fail !!!\n");
  				ret = -ENOMEM;
  				goto exit;
  			}
  
  			memset(pwep, 0, wep_total_len);
  
  			pwep->KeyLength = wep_key_len;
  			pwep->Length = wep_total_len;
  
  			if (wep_key_len == 13)
  			{
  				padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
  				padapter->securitypriv.dot118021XGrpPrivacy = _WEP104_;
  			}
  		}
  		else {
  			ret = -EINVAL;
  			goto exit;
  		}
  
  		pwep->KeyIndex = wep_key_idx;
  		pwep->KeyIndex |= 0x80000000;
  
  		memcpy(pwep->KeyMaterial,  (void *)sme->key, pwep->KeyLength);
  
  		if (rtw_set_802_11_add_wep(padapter, pwep) == (u8)_FAIL)
  		{
  			ret = -EOPNOTSUPP;
  		}
  
  		kfree(pwep);
  
  		if (ret < 0)
  			goto exit;
  	}
  
  	ret = rtw_cfg80211_set_cipher(psecuritypriv, sme->crypto.cipher_group, false);
  	if (ret < 0)
  		return ret;
  
  	if (sme->crypto.n_akm_suites) {
  		ret = rtw_cfg80211_set_key_mgt(psecuritypriv, sme->crypto.akm_suites[0]);
  		if (ret < 0)
  			goto exit;
  	}
  
  	authmode = psecuritypriv->ndisauthtype;
  	rtw_set_802_11_authentication_mode(padapter, authmode);
  
  	/* rtw_set_802_11_encryption_mode(padapter, padapter->securitypriv.ndisencryptstatus); */
  
  	if (rtw_set_802_11_connect(padapter, (u8 *)sme->bssid, &ndis_ssid) == false) {
  		ret = -1;
  		goto exit;
  	}
  
  	DBG_8192C("set ssid:dot11AuthAlgrthm =%d, dot11PrivacyAlgrthm =%d, dot118021XGrpPrivacy =%d\n", psecuritypriv->dot11AuthAlgrthm, psecuritypriv->dot11PrivacyAlgrthm, psecuritypriv->dot118021XGrpPrivacy);
  
  exit:
  
  	rtw_ps_deny_cancel(padapter, PS_DENY_JOIN);
  
  	DBG_8192C("<=%s, ret %d\n", __func__, ret);
  
  	padapter->mlmepriv.not_indic_disco = false;
  
  	return ret;
  }
  
  static int cfg80211_rtw_disconnect(struct wiphy *wiphy, struct net_device *ndev,
  				   u16 reason_code)
  {
  	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
  
  	DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
  
  	rtw_set_to_roam(padapter, 0);
  
  	rtw_scan_abort(padapter);
  	LeaveAllPowerSaveMode(padapter);
  	rtw_disassoc_cmd(padapter, 500, false);
  
  	DBG_871X("%s...call rtw_indicate_disconnect\n", __func__);
  
  	rtw_indicate_disconnect(padapter);
  
  	rtw_free_assoc_resources(padapter, 1);
  	rtw_pwr_wakeup(padapter);
  
  	DBG_871X(FUNC_NDEV_FMT" return 0\n", FUNC_NDEV_ARG(ndev));
  	return 0;
  }
  
  static int cfg80211_rtw_set_txpower(struct wiphy *wiphy,
  	struct wireless_dev *wdev,
  	enum nl80211_tx_power_setting type, int mbm)
  {
  	DBG_8192C("%s\n", __func__);
  	return 0;
  }
  
  static int cfg80211_rtw_get_txpower(struct wiphy *wiphy,
  	struct wireless_dev *wdev,
  	int *dbm)
  {
  	DBG_8192C("%s\n", __func__);
  
  	*dbm = (12);
  
  	return 0;
  }
  
  inline bool rtw_cfg80211_pwr_mgmt(struct adapter *adapter)
  {
  	struct rtw_wdev_priv *rtw_wdev_priv = adapter_wdev_data(adapter);
  	return rtw_wdev_priv->power_mgmt;
  }
  
  static int cfg80211_rtw_set_power_mgmt(struct wiphy *wiphy,
  				       struct net_device *ndev,
  				       bool enabled, int timeout)
  {
  	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
  	struct rtw_wdev_priv *rtw_wdev_priv = adapter_wdev_data(padapter);
  
  	DBG_871X(FUNC_NDEV_FMT" enabled:%u, timeout:%d\n", FUNC_NDEV_ARG(ndev),
  		enabled, timeout);
  
  	rtw_wdev_priv->power_mgmt = enabled;
  
  	if (!enabled)
  		LPS_Leave(padapter, "CFG80211_PWRMGMT");
  
  	return 0;
  }
  
  static int cfg80211_rtw_set_pmksa(struct wiphy *wiphy,
  				  struct net_device *ndev,
  				  struct cfg80211_pmksa *pmksa)
  {
  	u8 index, blInserted = false;
  	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
  	struct security_priv *psecuritypriv = &padapter->securitypriv;
  	u8 strZeroMacAddress[ETH_ALEN] = { 0x00 };
  
  	DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
  
  	if (!memcmp((u8 *)pmksa->bssid, strZeroMacAddress, ETH_ALEN))
  	{
  		return -EINVAL;
  	}
  
  	blInserted = false;
  
  	/* overwrite PMKID */
  	for (index = 0 ; index < NUM_PMKID_CACHE; index++)
  	{
  		if (!memcmp(psecuritypriv->PMKIDList[index].Bssid, (u8 *)pmksa->bssid, ETH_ALEN))
  		{ /*  BSSID is matched, the same AP => rewrite with new PMKID. */
  			DBG_871X(FUNC_NDEV_FMT" BSSID exists in the PMKList.\n", FUNC_NDEV_ARG(ndev));
  
  			memcpy(psecuritypriv->PMKIDList[index].PMKID, (u8 *)pmksa->pmkid, WLAN_PMKID_LEN);
  			psecuritypriv->PMKIDList[index].bUsed = true;
  			psecuritypriv->PMKIDIndex = index+1;
  			blInserted = true;
  			break;
  		}
  	}
  
  	if (!blInserted)
  	{
  		/*  Find a new entry */
  		DBG_871X(FUNC_NDEV_FMT" Use the new entry index = %d for this PMKID.\n",
  			FUNC_NDEV_ARG(ndev), psecuritypriv->PMKIDIndex);
  
  		memcpy(psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].Bssid, (u8 *)pmksa->bssid, ETH_ALEN);
  		memcpy(psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].PMKID, (u8 *)pmksa->pmkid, WLAN_PMKID_LEN);
  
  		psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].bUsed = true;
  		psecuritypriv->PMKIDIndex++;
  		if (psecuritypriv->PMKIDIndex == 16)
  		{
  			psecuritypriv->PMKIDIndex = 0;
  		}
  	}
  
  	return 0;
  }
  
  static int cfg80211_rtw_del_pmksa(struct wiphy *wiphy,
  				  struct net_device *ndev,
  				  struct cfg80211_pmksa *pmksa)
  {
  	u8 index, bMatched = false;
  	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
  	struct security_priv *psecuritypriv = &padapter->securitypriv;
  
  	DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
  
  	for (index = 0 ; index < NUM_PMKID_CACHE; index++)
  	{
  		if (!memcmp(psecuritypriv->PMKIDList[index].Bssid, (u8 *)pmksa->bssid, ETH_ALEN))
  		{ /*  BSSID is matched, the same AP => Remove this PMKID information and reset it. */
  			eth_zero_addr(psecuritypriv->PMKIDList[index].Bssid);
  			memset(psecuritypriv->PMKIDList[index].PMKID, 0x00, WLAN_PMKID_LEN);
  			psecuritypriv->PMKIDList[index].bUsed = false;
  			bMatched = true;
  			break;
  		}
  	}
  
  	if (false == bMatched)
  	{
  		DBG_871X(FUNC_NDEV_FMT" do not have matched BSSID\n"
  			, FUNC_NDEV_ARG(ndev));
  		return -EINVAL;
  	}
  
  	return 0;
  }
  
  static int cfg80211_rtw_flush_pmksa(struct wiphy *wiphy,
  				    struct net_device *ndev)
  {
  	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
  	struct security_priv *psecuritypriv = &padapter->securitypriv;
  
  	DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
  
  	memset(&psecuritypriv->PMKIDList[0], 0x00, sizeof(RT_PMKID_LIST) * NUM_PMKID_CACHE);
  	psecuritypriv->PMKIDIndex = 0;
  
  	return 0;
  }
  
  void rtw_cfg80211_indicate_sta_assoc(struct adapter *padapter, u8 *pmgmt_frame, uint frame_len)
  {
  	struct net_device *ndev = padapter->pnetdev;
  
  	DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
  
  	{
  		struct station_info sinfo = {};
  		u8 ie_offset;
  		if (GetFrameSubType(pmgmt_frame) == WIFI_ASSOCREQ)
  			ie_offset = _ASOCREQ_IE_OFFSET_;
  		else /*  WIFI_REASSOCREQ */
  			ie_offset = _REASOCREQ_IE_OFFSET_;
  
  		sinfo.filled = 0;
  		sinfo.assoc_req_ies = pmgmt_frame + WLAN_HDR_A3_LEN + ie_offset;
  		sinfo.assoc_req_ies_len = frame_len - WLAN_HDR_A3_LEN - ie_offset;
  		cfg80211_new_sta(ndev, GetAddr2Ptr(pmgmt_frame), &sinfo, GFP_ATOMIC);
  	}
  }
  
  void rtw_cfg80211_indicate_sta_disassoc(struct adapter *padapter, unsigned char *da, unsigned short reason)
  {
  	struct net_device *ndev = padapter->pnetdev;
  
  	DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
  
  	cfg80211_del_sta(ndev, da, GFP_ATOMIC);
  }
  
  
  
  static netdev_tx_t rtw_cfg80211_monitor_if_xmit_entry(struct sk_buff *skb, struct net_device *ndev)
  {
  	int rtap_len;
  	int qos_len = 0;
  	int dot11_hdr_len = 24;
  	int snap_len = 6;
  	unsigned char *pdata;
  	u16 frame_control;
  	unsigned char src_mac_addr[6];
  	unsigned char dst_mac_addr[6];
  	struct ieee80211_hdr *dot11_hdr;
  	struct ieee80211_radiotap_header *rtap_hdr;
  	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
  
  	DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
  
  	if (!skb)
  		goto fail;
  
  	rtw_mstat_update(MSTAT_TYPE_SKB, MSTAT_ALLOC_SUCCESS, skb->truesize);
  
  	if (unlikely(skb->len < sizeof(struct ieee80211_radiotap_header)))
  		goto fail;
  
  	rtap_hdr = (struct ieee80211_radiotap_header *)skb->data;
  	if (unlikely(rtap_hdr->it_version))
  		goto fail;
  
  	rtap_len = ieee80211_get_radiotap_len(skb->data);
  	if (unlikely(skb->len < rtap_len))
  		goto fail;
  
  	if (rtap_len != 14)
  	{
  		DBG_8192C("radiotap len (should be 14): %d\n", rtap_len);
  		goto fail;
  	}
  
  	/* Skip the ratio tap header */
  	skb_pull(skb, rtap_len);
  
  	dot11_hdr = (struct ieee80211_hdr *)skb->data;
  	frame_control = le16_to_cpu(dot11_hdr->frame_control);
  	/* Check if the QoS bit is set */
  	if ((frame_control & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) {
  		/* Check if this ia a Wireless Distribution System (WDS) frame
  		 * which has 4 MAC addresses
  		 */
  		if (frame_control & 0x0080)
  			qos_len = 2;
  		if ((frame_control & 0x0300) == 0x0300)
  			dot11_hdr_len += 6;
  
  		memcpy(dst_mac_addr, dot11_hdr->addr1, sizeof(dst_mac_addr));
  		memcpy(src_mac_addr, dot11_hdr->addr2, sizeof(src_mac_addr));
  
  		/* Skip the 802.11 header, QoS (if any) and SNAP, but leave spaces for
  		 * for two MAC addresses
  		 */
  		skb_pull(skb, dot11_hdr_len + qos_len + snap_len - sizeof(src_mac_addr) * 2);
  		pdata = (unsigned char *)skb->data;
  		memcpy(pdata, dst_mac_addr, sizeof(dst_mac_addr));
  		memcpy(pdata + sizeof(dst_mac_addr), src_mac_addr, sizeof(src_mac_addr));
  
  		DBG_8192C("should be eapol packet\n");
  
  		/* Use the real net device to transmit the packet */
  		return _rtw_xmit_entry(skb, padapter->pnetdev);
  
  	}
  	else if ((frame_control & (IEEE80211_FCTL_FTYPE|IEEE80211_FCTL_STYPE))
  		== (IEEE80211_FTYPE_MGMT|IEEE80211_STYPE_ACTION)
  	)
  	{
  		/* only for action frames */
  		struct xmit_frame		*pmgntframe;
  		struct pkt_attrib	*pattrib;
  		unsigned char *pframe;
  		/* u8 category, action, OUI_Subtype, dialogToken = 0; */
  		/* unsigned char *frame_body; */
  		struct ieee80211_hdr *pwlanhdr;
  		struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
  		struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
  		u8 *buf = skb->data;
  		u32 len = skb->len;
  		u8 category, action;
  
  		if (rtw_action_frame_parse(buf, len, &category, &action) == false) {
  			DBG_8192C(FUNC_NDEV_FMT" frame_control:0x%x\n", FUNC_NDEV_ARG(ndev),
  				le16_to_cpu(((struct ieee80211_hdr_3addr *)buf)->frame_control));
  			goto fail;
  		}
  
  		DBG_8192C("RTW_Tx:da ="MAC_FMT" via "FUNC_NDEV_FMT"\n",
  			MAC_ARG(GetAddr1Ptr(buf)), FUNC_NDEV_ARG(ndev));
  		if (category == RTW_WLAN_CATEGORY_PUBLIC)
  			DBG_871X("RTW_Tx:%s\n", action_public_str(action));
  		else
  			DBG_871X("RTW_Tx:category(%u), action(%u)\n", category, action);
  
  		/* starting alloc mgmt frame to dump it */
  		if ((pmgntframe = alloc_mgtxmitframe(pxmitpriv)) == NULL)
  		{
  			goto fail;
  		}
  
  		/* update attribute */
  		pattrib = &pmgntframe->attrib;
  		update_mgntframe_attrib(padapter, pattrib);
  		pattrib->retry_ctrl = false;
  
  		memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
  
  		pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
  
  		memcpy(pframe, (void *)buf, len);
  		pattrib->pktlen = len;
  
  		pwlanhdr = (struct ieee80211_hdr *)pframe;
  		/* update seq number */
  		pmlmeext->mgnt_seq = GetSequence(pwlanhdr);
  		pattrib->seqnum = pmlmeext->mgnt_seq;
  		pmlmeext->mgnt_seq++;
  
  
  		pattrib->last_txcmdsz = pattrib->pktlen;
  
  		dump_mgntframe(padapter, pmgntframe);
  
  	}
  	else
  	{
  		DBG_8192C("frame_control = 0x%x\n", frame_control & (IEEE80211_FCTL_FTYPE|IEEE80211_FCTL_STYPE));
  	}
  
  
  fail:
  
  	dev_kfree_skb_any(skb);
  
  	return 0;
  
  }
  
  
  
  static const struct net_device_ops rtw_cfg80211_monitor_if_ops = {
  	.ndo_start_xmit = rtw_cfg80211_monitor_if_xmit_entry,
  };
  
  static int rtw_cfg80211_add_monitor_if(struct adapter *padapter, char *name, struct net_device **ndev)
  {
  	int ret = 0;
  	struct net_device* mon_ndev = NULL;
  	struct wireless_dev* mon_wdev = NULL;
  	struct rtw_netdev_priv_indicator *pnpi;
  	struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(padapter);
  
  	if (!name) {
  		DBG_871X(FUNC_ADPT_FMT" without specific name\n", FUNC_ADPT_ARG(padapter));
  		ret = -EINVAL;
  		goto out;
  	}
  
  	if (pwdev_priv->pmon_ndev) {
  		DBG_871X(FUNC_ADPT_FMT" monitor interface exist: "NDEV_FMT"\n",
  			FUNC_ADPT_ARG(padapter), NDEV_ARG(pwdev_priv->pmon_ndev));
  		ret = -EBUSY;
  		goto out;
  	}
  
  	mon_ndev = alloc_etherdev(sizeof(struct rtw_netdev_priv_indicator));
  	if (!mon_ndev) {
  		DBG_871X(FUNC_ADPT_FMT" allocate ndev fail\n", FUNC_ADPT_ARG(padapter));
  		ret = -ENOMEM;
  		goto out;
  	}
  
  	mon_ndev->type = ARPHRD_IEEE80211_RADIOTAP;
  	strncpy(mon_ndev->name, name, IFNAMSIZ);
  	mon_ndev->name[IFNAMSIZ - 1] = 0;
  	mon_ndev->needs_free_netdev = true;
  	mon_ndev->priv_destructor = rtw_ndev_destructor;
  
  	mon_ndev->netdev_ops = &rtw_cfg80211_monitor_if_ops;
  
  	pnpi = netdev_priv(mon_ndev);
  	pnpi->priv = padapter;
  	pnpi->sizeof_priv = sizeof(struct adapter);
  
  	/*  wdev */
  	mon_wdev = rtw_zmalloc(sizeof(struct wireless_dev));
  	if (!mon_wdev) {
  		DBG_871X(FUNC_ADPT_FMT" allocate mon_wdev fail\n", FUNC_ADPT_ARG(padapter));
  		ret = -ENOMEM;
  		goto out;
  	}
  
  	mon_wdev->wiphy = padapter->rtw_wdev->wiphy;
  	mon_wdev->netdev = mon_ndev;
  	mon_wdev->iftype = NL80211_IFTYPE_MONITOR;
  	mon_ndev->ieee80211_ptr = mon_wdev;
  
  	ret = register_netdevice(mon_ndev);
  	if (ret) {
  		goto out;
  	}
  
  	*ndev = pwdev_priv->pmon_ndev = mon_ndev;
  	memcpy(pwdev_priv->ifname_mon, name, IFNAMSIZ+1);
  
  out:
  	if (ret && mon_wdev) {
  		kfree(mon_wdev);
  		mon_wdev = NULL;
  	}
  
  	if (ret && mon_ndev) {
  		free_netdev(mon_ndev);
  		*ndev = mon_ndev = NULL;
  	}
  
  	return ret;
  }
  
  static struct wireless_dev *
  	cfg80211_rtw_add_virtual_intf(
  		struct wiphy *wiphy,
  		const char *name,
  		unsigned char name_assign_type,
  		enum nl80211_iftype type, struct vif_params *params)
  {
  	int ret = 0;
  	struct net_device* ndev = NULL;
  	struct adapter *padapter = wiphy_to_adapter(wiphy);
  
  	DBG_871X(FUNC_ADPT_FMT " wiphy:%s, name:%s, type:%d\n",
  		FUNC_ADPT_ARG(padapter), wiphy_name(wiphy), name, type);
  
  	switch (type) {
  	case NL80211_IFTYPE_ADHOC:
  	case NL80211_IFTYPE_AP_VLAN:
  	case NL80211_IFTYPE_WDS:
  	case NL80211_IFTYPE_MESH_POINT:
  		ret = -ENODEV;
  		break;
  	case NL80211_IFTYPE_MONITOR:
  		ret = rtw_cfg80211_add_monitor_if(padapter, (char *)name, &ndev);
  		break;
  	case NL80211_IFTYPE_P2P_CLIENT:
  	case NL80211_IFTYPE_STATION:
  		ret = -ENODEV;
  		break;
  	case NL80211_IFTYPE_P2P_GO:
  	case NL80211_IFTYPE_AP:
  		ret = -ENODEV;
  		break;
  	default:
  		ret = -ENODEV;
  		DBG_871X("Unsupported interface type\n");
  		break;
  	}
  
  	DBG_871X(FUNC_ADPT_FMT" ndev:%p, ret:%d\n", FUNC_ADPT_ARG(padapter), ndev, ret);
  
  	return ndev ? ndev->ieee80211_ptr : ERR_PTR(ret);
  }
  
  static int cfg80211_rtw_del_virtual_intf(struct wiphy *wiphy,
  	struct wireless_dev *wdev
  )
  {
  	struct net_device *ndev = wdev_to_ndev(wdev);
  	int ret = 0;
  	struct adapter *adapter;
  	struct rtw_wdev_priv *pwdev_priv;
  
  	if (!ndev) {
  		ret = -EINVAL;
  		goto exit;
  	}
  
  	adapter = (struct adapter *)rtw_netdev_priv(ndev);
  	pwdev_priv = adapter_wdev_data(adapter);
  
  	unregister_netdevice(ndev);
  
  	if (ndev == pwdev_priv->pmon_ndev) {
  		pwdev_priv->pmon_ndev = NULL;
  		pwdev_priv->ifname_mon[0] = '\0';
  		DBG_871X(FUNC_NDEV_FMT" remove monitor interface\n", FUNC_NDEV_ARG(ndev));
  	}
  
  exit:
  	return ret;
  }
  
  static int rtw_add_beacon(struct adapter *adapter, const u8 *head, size_t head_len, const u8 *tail, size_t tail_len)
  {
  	int ret = 0;
  	u8 *pbuf = NULL;
  	uint len, wps_ielen = 0;
  	struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
  
  	DBG_8192C("%s beacon_head_len =%zu, beacon_tail_len =%zu\n", __func__, head_len, tail_len);
  
  	if (check_fwstate(pmlmepriv, WIFI_AP_STATE) != true)
  		return -EINVAL;
  
  	if (head_len < 24)
  		return -EINVAL;
  
  	pbuf = rtw_zmalloc(head_len+tail_len);
  	if (!pbuf)
  		return -ENOMEM;
  
  	memcpy(pbuf, (void *)head+24, head_len-24);/*  24 =beacon header len. */
  	memcpy(pbuf+head_len-24, (void *)tail, tail_len);
  
  	len = head_len+tail_len-24;
  
  	/* check wps ie if inclued */
  	if (rtw_get_wps_ie(pbuf+_FIXED_IE_LENGTH_, len-_FIXED_IE_LENGTH_, NULL, &wps_ielen))
  		DBG_8192C("add bcn, wps_ielen =%d\n", wps_ielen);
  
  	/* pbss_network->IEs will not include p2p_ie, wfd ie */
  	rtw_ies_remove_ie(pbuf, &len, _BEACON_IE_OFFSET_, _VENDOR_SPECIFIC_IE_, P2P_OUI, 4);
  	rtw_ies_remove_ie(pbuf, &len, _BEACON_IE_OFFSET_, _VENDOR_SPECIFIC_IE_, WFD_OUI, 4);
  
  	if (rtw_check_beacon_data(adapter, pbuf,  len) == _SUCCESS)
  	{
  		ret = 0;
  	}
  	else
  	{
  		ret = -EINVAL;
  	}
  
  
  	kfree(pbuf);
  
  	return ret;
  }
  
  static int cfg80211_rtw_start_ap(struct wiphy *wiphy, struct net_device *ndev,
  								struct cfg80211_ap_settings *settings)
  {
  	int ret = 0;
  	struct adapter *adapter = (struct adapter *)rtw_netdev_priv(ndev);
  
  	DBG_871X(FUNC_NDEV_FMT" hidden_ssid:%d, auth_type:%d\n", FUNC_NDEV_ARG(ndev),
  		settings->hidden_ssid, settings->auth_type);
  
  	ret = rtw_add_beacon(adapter, settings->beacon.head, settings->beacon.head_len,
  		settings->beacon.tail, settings->beacon.tail_len);
  
  	adapter->mlmeextpriv.mlmext_info.hidden_ssid_mode = settings->hidden_ssid;
  
  	if (settings->ssid && settings->ssid_len) {
  		struct wlan_bssid_ex *pbss_network = &adapter->mlmepriv.cur_network.network;
  		struct wlan_bssid_ex *pbss_network_ext = &adapter->mlmeextpriv.mlmext_info.network;
  
  		memcpy(pbss_network->Ssid.Ssid, (void *)settings->ssid, settings->ssid_len);
  		pbss_network->Ssid.SsidLength = settings->ssid_len;
  		memcpy(pbss_network_ext->Ssid.Ssid, (void *)settings->ssid, settings->ssid_len);
  		pbss_network_ext->Ssid.SsidLength = settings->ssid_len;
  	}
  
  	return ret;
  }
  
  static int cfg80211_rtw_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
                                  struct cfg80211_beacon_data *info)
  {
  	struct adapter *adapter = (struct adapter *)rtw_netdev_priv(ndev);
  
  	DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
  
  	return rtw_add_beacon(adapter, info->head, info->head_len, info->tail, info->tail_len);
  }
  
  static int cfg80211_rtw_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
  {
  	DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
  	return 0;
  }
  
  static int	cfg80211_rtw_add_station(struct wiphy *wiphy, struct net_device *ndev,
  				const u8 *mac,
  			struct station_parameters *params)
  {
  	DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
  
  	return 0;
  }
  
  static int cfg80211_rtw_del_station(struct wiphy *wiphy, struct net_device *ndev,
  				    struct station_del_parameters *params)
  {
  	int ret = 0;
  	struct list_head	*phead, *plist;
  	u8 updated = false;
  	struct sta_info *psta = NULL;
  	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
  	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
  	struct sta_priv *pstapriv = &padapter->stapriv;
  	const u8 *mac = params->mac;
  
  	DBG_871X("+"FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
  
  	if (check_fwstate(pmlmepriv, (_FW_LINKED|WIFI_AP_STATE)) != true)
  	{
  		DBG_8192C("%s, fw_state != FW_LINKED|WIFI_AP_STATE\n", __func__);
  		return -EINVAL;
  	}
  
  
  	if (!mac)
  	{
  		DBG_8192C("flush all sta, and cam_entry\n");
  
  		flush_all_cam_entry(padapter);	/* clear CAM */
  
  		rtw_sta_flush(padapter);
  
  		return 0;
  	}
  
  
  	DBG_8192C("free sta macaddr =" MAC_FMT "\n", MAC_ARG(mac));
  
  	if (mac[0] == 0xff && mac[1] == 0xff &&
  	    mac[2] == 0xff && mac[3] == 0xff &&
  	    mac[4] == 0xff && mac[5] == 0xff)
  	{
  		return -EINVAL;
  	}
  
  
  	spin_lock_bh(&pstapriv->asoc_list_lock);
  
  	phead = &pstapriv->asoc_list;
  	plist = get_next(phead);
  
  	/* check asoc_queue */
  	while (phead != plist)
  	{
  		psta = LIST_CONTAINOR(plist, struct sta_info, asoc_list);
  
  		plist = get_next(plist);
  
  		if (!memcmp((u8 *)mac, psta->hwaddr, ETH_ALEN))
  		{
  			if (psta->dot8021xalg == 1 && psta->bpairwise_key_installed == false)
  			{
  				DBG_8192C("%s, sta's dot8021xalg = 1 and key_installed = false\n", __func__);
  			}
  			else
  			{
  				DBG_8192C("free psta =%p, aid =%d\n", psta, psta->aid);
  
  				list_del_init(&psta->asoc_list);
  				pstapriv->asoc_list_cnt--;
  
  				updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
  
  				psta = NULL;
  
  				break;
  			}
  
  		}
  
  	}
  
  	spin_unlock_bh(&pstapriv->asoc_list_lock);
  
  	associated_clients_update(padapter, updated);
  
  	DBG_871X("-"FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
  
  	return ret;
  
  }
  
  static int cfg80211_rtw_change_station(struct wiphy *wiphy, struct net_device *ndev,
  				  const u8 *mac, struct station_parameters *params)
  {
  	DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
  
  	return 0;
  }
  
  static struct sta_info *rtw_sta_info_get_by_idx(const int idx, struct sta_priv *pstapriv)
  
  {
  	struct list_head	*phead, *plist;
  	struct sta_info *psta = NULL;
  	int i = 0;
  
  	phead = &pstapriv->asoc_list;
  	plist = get_next(phead);
  
  	/* check asoc_queue */
  	while (phead != plist)
  	{
  		if (idx == i) psta = LIST_CONTAINOR(plist, struct sta_info, asoc_list);
  		plist = get_next(plist);
  		i++;
  	}
  	return psta;
  }
  
  static int	cfg80211_rtw_dump_station(struct wiphy *wiphy, struct net_device *ndev,
  			       int idx, u8 *mac, struct station_info *sinfo)
  {
  
  	int ret = 0;
  	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
  	struct sta_info *psta = NULL;
  	struct sta_priv *pstapriv = &padapter->stapriv;
  	DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
  
  	spin_lock_bh(&pstapriv->asoc_list_lock);
  	psta = rtw_sta_info_get_by_idx(idx, pstapriv);
  	spin_unlock_bh(&pstapriv->asoc_list_lock);
  	if (NULL == psta)
  	{
  		DBG_871X("Station is not found\n");
  		ret = -ENOENT;
  		goto exit;
  	}
  	memcpy(mac, psta->hwaddr, ETH_ALEN);
  	sinfo->filled = BIT_ULL(NL80211_STA_INFO_SIGNAL);
  	sinfo->signal = psta->rssi;
  
  exit:
  	return ret;
  }
  
  static int	cfg80211_rtw_change_bss(struct wiphy *wiphy, struct net_device *ndev,
  			      struct bss_parameters *params)
  {
  	DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
  	return 0;
  }
  
  void rtw_cfg80211_rx_action(struct adapter *adapter, u8 *frame, uint frame_len, const char*msg)
  {
  	s32 freq;
  	int channel;
  	u8 category, action;
  
  	channel = rtw_get_oper_ch(adapter);
  
  	rtw_action_frame_parse(frame, frame_len, &category, &action);
  
  	DBG_8192C("RTW_Rx:cur_ch =%d\n", channel);
  	if (msg)
  		DBG_871X("RTW_Rx:%s\n", msg);
  	else
  		DBG_871X("RTW_Rx:category(%u), action(%u)\n", category, action);
  
  	freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
  
  	rtw_cfg80211_rx_mgmt(adapter, freq, 0, frame, frame_len, GFP_ATOMIC);
  }
  
  static int _cfg80211_rtw_mgmt_tx(struct adapter *padapter, u8 tx_ch, const u8 *buf, size_t len)
  {
  	struct xmit_frame	*pmgntframe;
  	struct pkt_attrib	*pattrib;
  	unsigned char *pframe;
  	int ret = _FAIL;
  	bool ack = true;
  	struct ieee80211_hdr *pwlanhdr;
  	struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
  	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
  
  	rtw_set_scan_deny(padapter, 1000);
  
  	rtw_scan_abort(padapter);
  	if (tx_ch != rtw_get_oper_ch(padapter)) {
  		if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED))
  			pmlmeext->cur_channel = tx_ch;
  		set_channel_bwmode(padapter, tx_ch, HAL_PRIME_CHNL_OFFSET_DONT_CARE, CHANNEL_WIDTH_20);
  	}
  
  	/* starting alloc mgmt frame to dump it */
  	if ((pmgntframe = alloc_mgtxmitframe(pxmitpriv)) == NULL)
  	{
  		/* ret = -ENOMEM; */
  		ret = _FAIL;
  		goto exit;
  	}
  
  	/* update attribute */
  	pattrib = &pmgntframe->attrib;
  	update_mgntframe_attrib(padapter, pattrib);
  	pattrib->retry_ctrl = false;
  
  	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
  
  	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
  
  	memcpy(pframe, (void *)buf, len);
  	pattrib->pktlen = len;
  
  	pwlanhdr = (struct ieee80211_hdr *)pframe;
  	/* update seq number */
  	pmlmeext->mgnt_seq = GetSequence(pwlanhdr);
  	pattrib->seqnum = pmlmeext->mgnt_seq;
  	pmlmeext->mgnt_seq++;
  
  	pattrib->last_txcmdsz = pattrib->pktlen;
  
  	if (dump_mgntframe_and_wait_ack(padapter, pmgntframe) != _SUCCESS)
  	{
  		ack = false;
  		ret = _FAIL;
  
  		#ifdef DEBUG_CFG80211
  		DBG_8192C("%s, ack == _FAIL\n", __func__);
  		#endif
  	}
  	else
  	{
  
  		msleep(50);
  
  		#ifdef DEBUG_CFG80211
  		DBG_8192C("%s, ack =%d, ok!\n", __func__, ack);
  		#endif
  		ret = _SUCCESS;
  	}
  
  exit:
  
  	#ifdef DEBUG_CFG80211
  	DBG_8192C("%s, ret =%d\n", __func__, ret);
  	#endif
  
  	return ret;
  
  }
  
  static int cfg80211_rtw_mgmt_tx(struct wiphy *wiphy,
  	struct wireless_dev *wdev,
  	struct cfg80211_mgmt_tx_params *params,
  	u64 *cookie)
  {
  	struct net_device *ndev = wdev_to_ndev(wdev);
  	struct ieee80211_channel *chan = params->chan;
  	const u8 *buf = params->buf;
  	size_t len = params->len;
  	int ret = 0;
  	int tx_ret;
  	u32 dump_limit = RTW_MAX_MGMT_TX_CNT;
  	u32 dump_cnt = 0;
  	bool ack = true;
  	u8 tx_ch = (u8)ieee80211_frequency_to_channel(chan->center_freq);
  	u8 category, action;
  	int type = (-1);
  	struct adapter *padapter;
  	struct rtw_wdev_priv *pwdev_priv;
  
  	if (ndev == NULL) {
  		ret = -EINVAL;
  		goto exit;
  	}
  
  	padapter = (struct adapter *)rtw_netdev_priv(ndev);
  	pwdev_priv = adapter_wdev_data(padapter);
  
  	/* cookie generation */
  	*cookie = (unsigned long) buf;
  
  #ifdef DEBUG_CFG80211
  	DBG_871X(FUNC_ADPT_FMT" len =%zu, ch =%d"
  		"\n", FUNC_ADPT_ARG(padapter),
  		len, tx_ch
  	);
  #endif /* DEBUG_CFG80211 */
  
  	/* indicate ack before issue frame to avoid racing with rsp frame */
  	rtw_cfg80211_mgmt_tx_status(padapter, *cookie, buf, len, ack, GFP_KERNEL);
  
  	if (rtw_action_frame_parse(buf, len, &category, &action) == false) {
  		DBG_8192C(FUNC_ADPT_FMT" frame_control:0x%x\n", FUNC_ADPT_ARG(padapter),
  			le16_to_cpu(((struct ieee80211_hdr_3addr *)buf)->frame_control));
  		goto exit;
  	}
  
  	DBG_8192C("RTW_Tx:tx_ch =%d, da ="MAC_FMT"\n", tx_ch, MAC_ARG(GetAddr1Ptr(buf)));
  	if (category == RTW_WLAN_CATEGORY_PUBLIC)
  		DBG_871X("RTW_Tx:%s\n", action_public_str(action));
  	else
  		DBG_871X("RTW_Tx:category(%u), action(%u)\n", category, action);
  
  	rtw_ps_deny(padapter, PS_DENY_MGNT_TX);
  	if (_FAIL == rtw_pwr_wakeup(padapter)) {
  		ret = -EFAULT;
  		goto cancel_ps_deny;
  	}
  
  	do {
  		dump_cnt++;
  		tx_ret = _cfg80211_rtw_mgmt_tx(padapter, tx_ch, buf, len);
  	} while (dump_cnt < dump_limit && tx_ret != _SUCCESS);
  
  	if (tx_ret != _SUCCESS || dump_cnt > 1) {
  		DBG_871X(FUNC_ADPT_FMT" %s (%d/%d)\n", FUNC_ADPT_ARG(padapter),
  			tx_ret == _SUCCESS?"OK":"FAIL", dump_cnt, dump_limit);
  	}
  
  	switch (type) {
  	case P2P_GO_NEGO_CONF:
  		rtw_clear_scan_deny(padapter);
  		break;
  	case P2P_INVIT_RESP:
  		if (pwdev_priv->invit_info.flags & BIT(0)
  			&& pwdev_priv->invit_info.status == 0)
  		{
  			DBG_871X(FUNC_ADPT_FMT" agree with invitation of persistent group\n",
  				FUNC_ADPT_ARG(padapter));
  			rtw_set_scan_deny(padapter, 5000);
  			rtw_pwr_wakeup_ex(padapter, 5000);
  			rtw_clear_scan_deny(padapter);
  		}
  		break;
  	}
  
  cancel_ps_deny:
  	rtw_ps_deny_cancel(padapter, PS_DENY_MGNT_TX);
  exit:
  	return ret;
  }
  
  #if defined(CONFIG_PNO_SUPPORT)
  static int cfg80211_rtw_sched_scan_start(struct wiphy *wiphy,
  		struct net_device *dev,
  		struct cfg80211_sched_scan_request *request) {
  
  	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
  	struct	mlme_priv *pmlmepriv = &(padapter->mlmepriv);
  	int ret;
  
  	if (padapter->bup == false) {
  		DBG_871X("%s: net device is down.\n", __func__);
  		return -EIO;
  	}
  
  	if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true ||
  		check_fwstate(pmlmepriv, _FW_LINKED) == true  ||
  		check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
  		DBG_871X("%s: device is busy.\n", __func__);
  		rtw_scan_abort(padapter);
  	}
  
  	if (request == NULL) {
  		DBG_871X("%s: invalid cfg80211_requests parameters.\n", __func__);
  		return -EINVAL;
  	}
  
  	ret = rtw_android_cfg80211_pno_setup(dev, request->ssids,
  			request->n_ssids, request->interval);
  
  	if (ret < 0) {
  		DBG_871X("%s ret: %d\n", __func__, ret);
  		goto exit;
  	}
  
  	ret = rtw_android_pno_enable(dev, true);
  	if (ret < 0) {
  		DBG_871X("%s ret: %d\n", __func__, ret);
  		goto exit;
  	}
  exit:
  	return ret;
  }
  
  static int cfg80211_rtw_sched_scan_stop(struct wiphy *wiphy,
  		struct net_device *dev) {
  	return rtw_android_pno_enable(dev, false);
  }
  #endif /* CONFIG_PNO_SUPPORT */
  
  static void rtw_cfg80211_init_ht_capab(struct ieee80211_sta_ht_cap *ht_cap, enum nl80211_band band, u8 rf_type)
  {
  
  #define MAX_BIT_RATE_40MHZ_MCS15	300	/* Mbps */
  #define MAX_BIT_RATE_40MHZ_MCS7		150	/* Mbps */
  
  	ht_cap->ht_supported = true;
  
  	ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
  					IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20 |
  					IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU;
  
  	/*
  	 *Maximum length of AMPDU that the STA can receive.
  	 *Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
  	 */
  	ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
  
  	/*Minimum MPDU start spacing , */
  	ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
  
  	ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
  
  	/*
  	 *hw->wiphy->bands[NL80211_BAND_2GHZ]
  	 *base on ant_num
  	 *rx_mask: RX mask
  	 *if rx_ant = 1 rx_mask[0]= 0xff;==>MCS0-MCS7
  	 *if rx_ant =2 rx_mask[1]= 0xff;==>MCS8-MCS15
  	 *if rx_ant >=3 rx_mask[2]= 0xff;
  	 *if BW_40 rx_mask[4]= 0x01;
  	 *highest supported RX rate
  	 */
  	if (rf_type == RF_1T1R)
  	{
  		ht_cap->mcs.rx_mask[0] = 0xFF;
  		ht_cap->mcs.rx_mask[1] = 0x00;
  		ht_cap->mcs.rx_mask[4] = 0x01;
  
  		ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7);
  	}
  	else if ((rf_type == RF_1T2R) || (rf_type == RF_2T2R))
  	{
  		ht_cap->mcs.rx_mask[0] = 0xFF;
  		ht_cap->mcs.rx_mask[1] = 0xFF;
  		ht_cap->mcs.rx_mask[4] = 0x01;
  
  		ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
  	}
  	else
  	{
  		DBG_8192C("%s, error rf_type =%d\n", __func__, rf_type);
  	}
  
  }
  
  void rtw_cfg80211_init_wiphy(struct adapter *padapter)
  {
  	u8 rf_type;
  	struct ieee80211_supported_band *bands;
  	struct wireless_dev *pwdev = padapter->rtw_wdev;
  	struct wiphy *wiphy = pwdev->wiphy;
  
  	rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
  
  	DBG_8192C("%s:rf_type =%d\n", __func__, rf_type);
  
  	{
  		bands = wiphy->bands[NL80211_BAND_2GHZ];
  		if (bands)
  			rtw_cfg80211_init_ht_capab(&bands->ht_cap, NL80211_BAND_2GHZ, rf_type);
  	}
  
  	/* init regulary domain */
  	rtw_regd_init(padapter, rtw_reg_notifier);
  
  	/* copy mac_addr to wiphy */
  	memcpy(wiphy->perm_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
  
  }
  
  static void rtw_cfg80211_preinit_wiphy(struct adapter *padapter, struct wiphy *wiphy)
  {
  
  	wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
  
  	wiphy->max_scan_ssids = RTW_SSID_SCAN_AMOUNT;
  	wiphy->max_scan_ie_len = RTW_SCAN_IE_LEN_MAX;
  	wiphy->max_num_pmkids = RTW_MAX_NUM_PMKIDS;
  
  	wiphy->max_remain_on_channel_duration = RTW_MAX_REMAIN_ON_CHANNEL_DURATION;
  
  	wiphy->interface_modes =	BIT(NL80211_IFTYPE_STATION)
  								| BIT(NL80211_IFTYPE_ADHOC)
  								| BIT(NL80211_IFTYPE_AP)
  								| BIT(NL80211_IFTYPE_MONITOR)
  								;
  
  	wiphy->mgmt_stypes = rtw_cfg80211_default_mgmt_stypes;
  
  	wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR);
  
  	wiphy->cipher_suites = rtw_cipher_suites;
  	wiphy->n_cipher_suites = ARRAY_SIZE(rtw_cipher_suites);
  
  	/* if (padapter->registrypriv.wireless_mode & WIRELESS_11G) */
  	wiphy->bands[NL80211_BAND_2GHZ] = rtw_spt_band_alloc(NL80211_BAND_2GHZ);
  
  	wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
  	wiphy->flags |= WIPHY_FLAG_OFFCHAN_TX | WIPHY_FLAG_HAVE_AP_SME;
  
  #if defined(CONFIG_PM)
  	wiphy->max_sched_scan_reqs = 1;
  #ifdef CONFIG_PNO_SUPPORT
  	wiphy->max_sched_scan_ssids = MAX_PNO_LIST_COUNT;
  #endif
  #endif
  
  #if defined(CONFIG_PM)
  	wiphy->wowlan = &wowlan_stub;
  #endif
  
  	if (padapter->registrypriv.power_mgnt != PS_MODE_ACTIVE)
  		wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
  	else
  		wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
  }
  
  static struct cfg80211_ops rtw_cfg80211_ops = {
  	.change_virtual_intf = cfg80211_rtw_change_iface,
  	.add_key = cfg80211_rtw_add_key,
  	.get_key = cfg80211_rtw_get_key,
  	.del_key = cfg80211_rtw_del_key,
  	.set_default_key = cfg80211_rtw_set_default_key,
  	.get_station = cfg80211_rtw_get_station,
  	.scan = cfg80211_rtw_scan,
  	.set_wiphy_params = cfg80211_rtw_set_wiphy_params,
  	.connect = cfg80211_rtw_connect,
  	.disconnect = cfg80211_rtw_disconnect,
  	.join_ibss = cfg80211_rtw_join_ibss,
  	.leave_ibss = cfg80211_rtw_leave_ibss,
  	.set_tx_power = cfg80211_rtw_set_txpower,
  	.get_tx_power = cfg80211_rtw_get_txpower,
  	.set_power_mgmt = cfg80211_rtw_set_power_mgmt,
  	.set_pmksa = cfg80211_rtw_set_pmksa,
  	.del_pmksa = cfg80211_rtw_del_pmksa,
  	.flush_pmksa = cfg80211_rtw_flush_pmksa,
  
  	.add_virtual_intf = cfg80211_rtw_add_virtual_intf,
  	.del_virtual_intf = cfg80211_rtw_del_virtual_intf,
  
  	.start_ap = cfg80211_rtw_start_ap,
  	.change_beacon = cfg80211_rtw_change_beacon,
  	.stop_ap = cfg80211_rtw_stop_ap,
  
  	.add_station = cfg80211_rtw_add_station,
  	.del_station = cfg80211_rtw_del_station,
  	.change_station = cfg80211_rtw_change_station,
  	.dump_station = cfg80211_rtw_dump_station,
  	.change_bss = cfg80211_rtw_change_bss,
  
  	.mgmt_tx = cfg80211_rtw_mgmt_tx,
  
  #if defined(CONFIG_PNO_SUPPORT)
  	.sched_scan_start = cfg80211_rtw_sched_scan_start,
  	.sched_scan_stop = cfg80211_rtw_sched_scan_stop,
  #endif /* CONFIG_PNO_SUPPORT */
  };
  
  int rtw_wdev_alloc(struct adapter *padapter, struct device *dev)
  {
  	int ret = 0;
  	struct wiphy *wiphy;
  	struct wireless_dev *wdev;
  	struct rtw_wdev_priv *pwdev_priv;
  	struct net_device *pnetdev = padapter->pnetdev;
  
  	DBG_8192C("%s(padapter =%p)\n", __func__, padapter);
  
  	/* wiphy */
  	wiphy = wiphy_new(&rtw_cfg80211_ops, sizeof(struct adapter *));
  	if (!wiphy) {
  		DBG_8192C("Couldn't allocate wiphy device\n");
  		ret = -ENOMEM;
  		goto exit;
  	}
  	set_wiphy_dev(wiphy, dev);
  	*((struct adapter **)wiphy_priv(wiphy)) = padapter;
  	rtw_cfg80211_preinit_wiphy(padapter, wiphy);
  
  	ret = wiphy_register(wiphy);
  	if (ret < 0) {
  		DBG_8192C("Couldn't register wiphy device\n");
  		goto free_wiphy;
  	}
  
  	/*  wdev */
  	wdev = rtw_zmalloc(sizeof(struct wireless_dev));
  	if (!wdev) {
  		DBG_8192C("Couldn't allocate wireless device\n");
  		ret = -ENOMEM;
  		goto unregister_wiphy;
  	}
  	wdev->wiphy = wiphy;
  	wdev->netdev = pnetdev;
  
  	wdev->iftype = NL80211_IFTYPE_STATION; /*  will be init in rtw_hal_init() */
  	                                       /*  Must sync with _rtw_init_mlme_priv() */
  					   /*  pmlmepriv->fw_state = WIFI_STATION_STATE */
  	padapter->rtw_wdev = wdev;
  	pnetdev->ieee80211_ptr = wdev;
  
  	/* init pwdev_priv */
  	pwdev_priv = adapter_wdev_data(padapter);
  	pwdev_priv->rtw_wdev = wdev;
  	pwdev_priv->pmon_ndev = NULL;
  	pwdev_priv->ifname_mon[0] = '\0';
  	pwdev_priv->padapter = padapter;
  	pwdev_priv->scan_request = NULL;
  	spin_lock_init(&pwdev_priv->scan_req_lock);
  
  	pwdev_priv->p2p_enabled = false;
  	pwdev_priv->provdisc_req_issued = false;
  	rtw_wdev_invit_info_init(&pwdev_priv->invit_info);
  	rtw_wdev_nego_info_init(&pwdev_priv->nego_info);
  
  	pwdev_priv->bandroid_scan = false;
  
  	if (padapter->registrypriv.power_mgnt != PS_MODE_ACTIVE)
  		pwdev_priv->power_mgmt = true;
  	else
  		pwdev_priv->power_mgmt = false;
  
  	return ret;
  
  unregister_wiphy:
  	wiphy_unregister(wiphy);
   free_wiphy:
  	wiphy_free(wiphy);
  exit:
  	return ret;
  
  }
  
  void rtw_wdev_free(struct wireless_dev *wdev)
  {
  	DBG_8192C("%s(wdev =%p)\n", __func__, wdev);
  
  	if (!wdev)
  		return;
  
  	kfree(wdev->wiphy->bands[NL80211_BAND_2GHZ]);
  
  	wiphy_free(wdev->wiphy);
  
  	kfree(wdev);
  }
  
  void rtw_wdev_unregister(struct wireless_dev *wdev)
  {
  	struct net_device *ndev;
  	struct adapter *adapter;
  	struct rtw_wdev_priv *pwdev_priv;
  
  	DBG_8192C("%s(wdev =%p)\n", __func__, wdev);
  
  	if (!wdev)
  		return;
  
  	if (!(ndev = wdev_to_ndev(wdev)))
  		return;
  
  	adapter = (struct adapter *)rtw_netdev_priv(ndev);
  	pwdev_priv = adapter_wdev_data(adapter);
  
  	rtw_cfg80211_indicate_scan_done(adapter, true);
  
  	if (pwdev_priv->pmon_ndev) {
  		DBG_8192C("%s, unregister monitor interface\n", __func__);
  		unregister_netdev(pwdev_priv->pmon_ndev);
  	}
  
  	wiphy_unregister(wdev->wiphy);
  }
  