// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2007 - 2017 Realtek Corporation */

#define  _IOCTL_CFG80211_C_

#include <drv_types.h>
#include <hal_data.h>

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0))
#define STATION_INFO_SIGNAL		BIT(NL80211_STA_INFO_SIGNAL)
#define STATION_INFO_TX_BITRATE		BIT(NL80211_STA_INFO_TX_BITRATE)
#define STATION_INFO_RX_PACKETS		BIT(NL80211_STA_INFO_RX_PACKETS)
#define STATION_INFO_TX_PACKETS		BIT(NL80211_STA_INFO_TX_PACKETS)
#define STATION_INFO_TX_FAILED		BIT(NL80211_STA_INFO_TX_FAILED)
#define STATION_INFO_ASSOC_REQ_IES	0
#endif /* Linux kernel >= 4.0.0 */

#include <rtw_wifi_regd.h>

#define RTW_MAX_MGMT_TX_CNT (8)
#define RTW_MAX_MGMT_TX_MS_GAS (500)

#define RTW_SCAN_IE_LEN_MAX      2304
#define RTW_MAX_REMAIN_ON_CHANNEL_DURATION 5000 /* ms */
#define RTW_MAX_NUM_PMKIDS 4

#define RTW_CH_MAX_2G_CHANNEL               14      /* Max channel in 2G band */

#ifdef CONFIG_RTW_80211R
#define WLAN_AKM_SUITE_FT_8021X		0x000FAC03
#define WLAN_AKM_SUITE_FT_PSK			0x000FAC04
#endif

static const u32 rtw_cipher_suites[] = {
	WLAN_CIPHER_SUITE_WEP40,
	WLAN_CIPHER_SUITE_WEP104,
	WLAN_CIPHER_SUITE_TKIP,
	WLAN_CIPHER_SUITE_CCMP,
#ifdef CONFIG_IEEE80211W
	WLAN_CIPHER_SUITE_AES_CMAC,
#endif /* CONFIG_IEEE80211W */
};

#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 (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0))
/* 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,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0))
	.max_pkt_offset = 0,
#endif
};
#endif

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

/* from center_ch_2g */
static struct ieee80211_channel rtw_2ghz_channels[MAX_CHANNEL_NUM_2G] = {
	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),
};

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0))
static u8 rtw_chbw_to_cfg80211_chan_def(struct wiphy *wiphy, struct cfg80211_chan_def *chdef, u8 ch, u8 bw, u8 offset, u8 ht)
{
	int freq, cfreq;
	struct ieee80211_channel *chan;
	u8 ret = _FAIL;

	freq = rtw_ch2freq(ch);
	if (!freq)
		goto exit;

	cfreq = rtw_get_center_ch(ch, bw, offset);
	if (!cfreq)
		goto exit;
	cfreq = rtw_ch2freq(cfreq);
	if (!cfreq)
		goto exit;

	chan = ieee80211_get_channel(wiphy, freq);
	if (!chan)
		goto exit;

	if (bw == CHANNEL_WIDTH_20) 
		chdef->width = ht ? NL80211_CHAN_WIDTH_20 : NL80211_CHAN_WIDTH_20_NOHT;
	else if (bw == CHANNEL_WIDTH_40)
		chdef->width = NL80211_CHAN_WIDTH_40;
	else if (bw == CHANNEL_WIDTH_80)
		chdef->width = NL80211_CHAN_WIDTH_80;
	else if (bw == CHANNEL_WIDTH_160)
		chdef->width = NL80211_CHAN_WIDTH_160;
	else {
		rtw_warn_on(1);
		goto exit;
	}

	chdef->chan = chan;
	chdef->center_freq1 = cfreq;
	chdef->center_freq2 = 0;

	ret = _SUCCESS;

exit:
	return ret;
}
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29)) */

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0))
u8 rtw_cfg80211_ch_switch_notify(struct adapter *adapter, u8 ch, u8 bw, u8 offset, u8 ht)
{
	struct wiphy *wiphy = adapter_to_wiphy(adapter);
	u8 ret = _SUCCESS;

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0))
	struct cfg80211_chan_def chdef;

	ret = rtw_chbw_to_cfg80211_chan_def(wiphy, &chdef, ch, bw, offset, ht);
	if (ret != _SUCCESS)
		goto exit;

	cfg80211_ch_switch_notify(adapter->pnetdev, &chdef);

#else
	int freq = rtw_ch2freq(ch);
	enum nl80211_channel_type ctype;

	if (!freq) {
		ret = _FAIL;
		goto exit;
	}

	ctype = rtw_chbw_to_nl80211_channel_type(ch, bw, offset, ht);
	cfg80211_ch_switch_notify(adapter->pnetdev, freq, ctype);
#endif

exit:
	return ret;
}
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)) */

static void rtw_2g_channels_init(struct ieee80211_channel *channels)
{
	memcpy((void *)channels, (void *)rtw_2ghz_channels, sizeof(rtw_2ghz_channels));
}

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 BAND_TYPE band)
{
	struct ieee80211_supported_band *spt_band = NULL;
	int n_channels, n_bitrates;

	if (band == BAND_ON_2_4G) {
		n_channels = MAX_CHANNEL_NUM_2G;
		n_bitrates = RTW_G_RATES_NUM;
	} else
		goto exit;

	spt_band = (struct ieee80211_supported_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 = rtw_band_to_nl80211_band(band);
	spt_band->n_channels = n_channels;
	spt_band->n_bitrates = n_bitrates;

	if (band == BAND_ON_2_4G) {
		rtw_2g_channels_init(spt_band->channels);
		rtw_2g_rates_init(spt_band->bitrates);
	}

	/* spt_band.ht_cap */

exit:

	return spt_band;
}

static void rtw_spt_band_free(struct ieee80211_supported_band *spt_band)
{
	u32 size = 0;

	if (!spt_band)
		return;

	if (spt_band->band == NL80211_BAND_2GHZ) {
		size = sizeof(struct ieee80211_supported_band)
			+ sizeof(struct ieee80211_channel) * MAX_CHANNEL_NUM_2G
			+ sizeof(struct ieee80211_rate) * RTW_G_RATES_NUM;
	} else {

	}
	rtw_mfree((u8 *)spt_band, size);
}

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
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)
	},
};
#endif

static enum ndis_802_11_network_infrastructure nl80211_iftype_to_rtw_network_type(enum nl80211_iftype type)
{
	switch (type) {
	case NL80211_IFTYPE_ADHOC:
		return Ndis802_11IBSS;

	#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE))
	case NL80211_IFTYPE_P2P_CLIENT:
	#endif
	case NL80211_IFTYPE_STATION:
		return Ndis802_11Infrastructure;

	#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE))
	case NL80211_IFTYPE_P2P_GO:
	#endif
	case NL80211_IFTYPE_AP:
		return Ndis802_11APMode;
	case NL80211_IFTYPE_MONITOR:
		return Ndis802_11Monitor;
	default:
		return Ndis802_11InfrastructureMax;
	}
}

static u32 nl80211_iftype_to_rtw_mlme_state(enum nl80211_iftype type)
{
	switch (type) {
	case NL80211_IFTYPE_ADHOC:
		return WIFI_ADHOC_STATE;

	#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE))
	case NL80211_IFTYPE_P2P_CLIENT:
	#endif
	case NL80211_IFTYPE_STATION:
		return WIFI_STATION_STATE;

	#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE))
	case NL80211_IFTYPE_P2P_GO:
	#endif
	case NL80211_IFTYPE_AP:
		return WIFI_AP_STATE;
	case NL80211_IFTYPE_MONITOR:
		return WIFI_MONITOR_STATE;

	default:
		return WIFI_NULL_STATE;
	}
}

static int rtw_cfg80211_sync_iftype(struct adapter *adapter)
{
	struct wireless_dev *rtw_wdev = adapter->rtw_wdev;

	if (!(nl80211_iftype_to_rtw_mlme_state(rtw_wdev->iftype) & MLME_STATE(adapter))) {
		/* iftype and mlme state is not syc */
		enum ndis_802_11_network_infrastructure network_type;

		network_type = nl80211_iftype_to_rtw_network_type(rtw_wdev->iftype);
		if (network_type != Ndis802_11InfrastructureMax) {
			if (rtw_pwr_wakeup(adapter) == _FAIL) {
				RTW_WARN(FUNC_ADPT_FMT" call rtw_pwr_wakeup fail\n", FUNC_ADPT_ARG(adapter));
				return _FAIL;
			}

			rtw_set_802_11_infrastructure_mode(adapter, network_type);
			rtw_setopmode_cmd(adapter, network_type, RTW_CMDF_WAIT_ACK);
		} else {
			rtw_warn_on(1);
			RTW_WARN(FUNC_ADPT_FMT" iftype:%u is not support\n", FUNC_ADPT_ARG(adapter), rtw_wdev->iftype);
			return _FAIL;
		}
	}

	return _SUCCESS;
}

static u64 rtw_get_systime_us(void)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0))
	ktime_t ts;
	ts = ktime_get_boottime();
	return do_div(ts, 1000);	
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
	struct timespec ts;
	get_monotonic_boottime(&ts);
	return ((u64)ts.tv_sec*1000000) + ts.tv_nsec / 1000;
#else
	struct timeval tv;
	do_gettimeofday(&tv);
	return ((u64)tv.tv_sec*1000000) + tv.tv_usec;
#endif
}

/* Try to remove non target BSS's SR to reduce PBC overlap rate */
static int rtw_cfg80211_clear_wps_sr_of_non_target_bss(struct adapter *adapt, struct wlan_network *pnetwork, struct cfg80211_ssid *req_ssid)
{
	int ret = 0;
	u8 *psr = NULL, sr = 0;
	struct ndis_802_11_ssid *pssid = &pnetwork->network.Ssid;
	u32 wpsielen = 0;
	u8 *wpsie = NULL;

	if (pssid->SsidLength == req_ssid->ssid_len
		&& !memcmp(pssid->Ssid, req_ssid->ssid, req_ssid->ssid_len))
		goto exit;

	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, &sr, NULL);

	if (psr && sr) {
		*psr = 0; /* clear sr */
		ret = 1;
	}

exit:
	return ret;
}

#define MAX_BSSINFO_LEN 1000
struct cfg80211_bss *rtw_cfg80211_inform_bss(struct adapter *adapt, 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;
	u16 notify_capability;
	u16 notify_interval;
	u8 *notify_ie;
	size_t notify_ielen;
	int notify_signal;
	/* u8 buf[MAX_BSSINFO_LEN]; */

	u8 *pbuf;
	size_t buf_size = MAX_BSSINFO_LEN;
	size_t len, bssinf_len = 0;
	struct rtw_ieee80211_hdr *pwlanhdr;
	__le16 *fctrl;
	u8	bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};

	struct wireless_dev *wdev = adapt->rtw_wdev;
	struct wiphy *wiphy = wdev->wiphy;
	struct mlme_priv *pmlmepriv = &(adapt->mlmepriv);

	pbuf = rtw_zmalloc(buf_size);
	if (!pbuf) {
		RTW_INFO("%s pbuf allocate failed  !!\n", __func__);
		return bss;
	}

	/* RTW_INFO("%s\n", __func__); */

	bssinf_len = pnetwork->network.IELength + sizeof(struct rtw_ieee80211_hdr_3addr);
	if (bssinf_len > buf_size) {
		RTW_INFO("%s IE Length too long > %zu byte\n", __func__, buf_size);
		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) {
				RTW_INFO("%s, no support wapi!\n", __func__);
				goto exit;
			}
		}
	}

	channel = pnetwork->network.Configuration.DSConfig;
	freq = rtw_ch2freq(channel);
	notify_channel = ieee80211_get_channel(wiphy, freq);

	notify_timestamp = rtw_get_systime_us();

	notify_interval = le16_to_cpu(*(__le16 *)rtw_get_beacon_interval_from_ie(pnetwork->network.IEs));
	notify_capability = le16_to_cpu(*(__le16 *)rtw_get_capability_from_ie(pnetwork->network.IEs));

	notify_ie = pnetwork->network.IEs + _FIXED_IE_LENGTH_;
	notify_ielen = pnetwork->network.IELength - _FIXED_IE_LENGTH_;

	/* We've set wiphy's signal_type as CFG80211_SIGNAL_TYPE_MBM: signal strength in mBm (100*dBm) */
	if (check_fwstate(pmlmepriv, _FW_LINKED) &&
		is_same_network(&pmlmepriv->cur_network.network, &pnetwork->network, 0)) {
		notify_signal = 100 * translate_percentage_to_dbm(adapt->recvpriv.signal_strength); /* dbm */
	} else {
		notify_signal = 100 * translate_percentage_to_dbm(pnetwork->network.PhyInfo.SignalStrength); /* dbm */
	}

	/* pbuf = buf; */

	pwlanhdr = (struct rtw_ieee80211_hdr *)pbuf;
	fctrl = &(pwlanhdr->frame_ctl);
	*(fctrl) = 0;

	SetSeqNum(pwlanhdr, 0/*pmlmeext->mgnt_seq*/);
	/* pmlmeext->mgnt_seq++; */

	if (pnetwork->network.Reserved[0] == BSS_TYPE_BCN) { /* WIFI_BEACON */
		memcpy(pwlanhdr->addr1, bc_addr, ETH_ALEN);
		set_frame_sub_type(pbuf, WIFI_BEACON);
	} else {
		memcpy(pwlanhdr->addr1, adapter_mac_addr(adapt), ETH_ALEN);
		set_frame_sub_type(pbuf, WIFI_PROBERSP);
	}

	memcpy(pwlanhdr->addr2, pnetwork->network.MacAddress, ETH_ALEN);
	memcpy(pwlanhdr->addr3, pnetwork->network.MacAddress, ETH_ALEN);


	/* pbuf += sizeof(struct rtw_ieee80211_hdr_3addr); */
	len = sizeof(struct rtw_ieee80211_hdr_3addr);
	memcpy((pbuf + len), pnetwork->network.IEs, pnetwork->network.IELength);
	*((__le64 *)(pbuf + len)) = cpu_to_le64(notify_timestamp);

	len += pnetwork->network.IELength;

	bss = cfg80211_inform_bss_frame(wiphy, notify_channel, (struct ieee80211_mgmt *)pbuf,
					len, notify_signal, GFP_ATOMIC);
	if (unlikely(!bss)) {
		RTW_INFO(FUNC_ADPT_FMT" bss NULL\n", FUNC_ADPT_ARG(adapt));
		goto exit;
	}

#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 38))
#ifndef COMPAT_KERNEL_RELEASE
	/* patch for cfg80211, update beacon ies to information_elements */
	if (pnetwork->network.Reserved[0] == BSS_TYPE_BCN) { /* WIFI_BEACON */

		if (bss->len_information_elements != bss->len_beacon_ies) {
			bss->information_elements = bss->beacon_ies;
			bss->len_information_elements =  bss->len_beacon_ies;
		}
	}
#endif /* COMPAT_KERNEL_RELEASE */
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 38) */

#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)
	cfg80211_put_bss(wiphy, bss);
#else
	cfg80211_put_bss(bss);
#endif

exit:
	if (pbuf)
		rtw_mfree(pbuf, buf_size);
	return bss;

}

/*
	Check the given bss is valid by kernel API cfg80211_get_bss()
	@adapt : the given adapter

	return true if bss is valid,  false for not found.
*/
int rtw_cfg80211_check_bss(struct adapter *adapt)
{
	struct wlan_bssid_ex  *pnetwork = &(adapt->mlmeextpriv.mlmext_info.network);
	struct cfg80211_bss *bss = NULL;
	struct ieee80211_channel *notify_channel = NULL;
	u32 freq;

	if (!(pnetwork) || !(adapt->rtw_wdev))
		return false;

	freq = rtw_ch2freq(pnetwork->Configuration.DSConfig);
	notify_channel = ieee80211_get_channel(adapt->rtw_wdev->wiphy, freq);
	bss = cfg80211_get_bss(adapt->rtw_wdev->wiphy, notify_channel,
			pnetwork->MacAddress, pnetwork->Ssid.Ssid,
			pnetwork->Ssid.SsidLength,
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)
			pnetwork->InfrastructureMode == Ndis802_11Infrastructure?IEEE80211_BSS_TYPE_ESS:IEEE80211_BSS_TYPE_IBSS,
			IEEE80211_PRIVACY(pnetwork->Privacy));
#else
			pnetwork->InfrastructureMode == Ndis802_11Infrastructure?WLAN_CAPABILITY_ESS:WLAN_CAPABILITY_IBSS, pnetwork->InfrastructureMode == Ndis802_11Infrastructure?WLAN_CAPABILITY_ESS:WLAN_CAPABILITY_IBSS);
#endif

#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)
	cfg80211_put_bss(adapt->rtw_wdev->wiphy, bss);
#else
	cfg80211_put_bss(bss);
#endif

	return (bss != NULL);
}

void rtw_cfg80211_ibss_indicate_connect(struct adapter *adapt)
{
	struct mlme_priv *pmlmepriv = &adapt->mlmepriv;
	struct wlan_network  *cur_network = &(pmlmepriv->cur_network);
	struct wireless_dev *pwdev = adapt->rtw_wdev;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0))
	struct wiphy *wiphy = pwdev->wiphy;
	int freq = 2412;
	struct ieee80211_channel *notify_channel;
#endif

	RTW_INFO(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapt));

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0))
	freq = rtw_ch2freq(cur_network->network.Configuration.DSConfig);
#endif

	if (pwdev->iftype != NL80211_IFTYPE_ADHOC)
		return;

	if (!rtw_cfg80211_check_bss(adapt)) {
		struct wlan_bssid_ex  *pnetwork = &(adapt->mlmeextpriv.mlmext_info.network);
		struct wlan_network *scanned = pmlmepriv->cur_network_scanned;

		if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {

			memcpy(&cur_network->network, pnetwork, sizeof(struct wlan_bssid_ex));
			if (cur_network) {
				if (!rtw_cfg80211_inform_bss(adapt, cur_network))
					RTW_INFO(FUNC_ADPT_FMT" inform fail !!\n", FUNC_ADPT_ARG(adapt));
				else
					RTW_INFO(FUNC_ADPT_FMT" inform success !!\n", FUNC_ADPT_ARG(adapt));
			} else {
				RTW_INFO("cur_network is not exist!!!\n");
				return ;
			}
		} else {
			if (!scanned)
				rtw_warn_on(1);

			if (!memcmp(&(scanned->network.Ssid),
				        &(pnetwork->Ssid),
				        sizeof(struct ndis_802_11_ssid)) &&
			    !memcmp(scanned->network.MacAddress,
					pnetwork->MacAddress, 6)) {
				if (!rtw_cfg80211_inform_bss(adapt, scanned))
					RTW_INFO(FUNC_ADPT_FMT" inform fail !!\n", FUNC_ADPT_ARG(adapt));
				else {
					/* RTW_INFO(FUNC_ADPT_FMT" inform success !!\n", FUNC_ADPT_ARG(adapt)); */
				}
			} else {
				RTW_INFO("scanned & pnetwork compare fail\n");
				rtw_warn_on(1);
			}
		}

		if (!rtw_cfg80211_check_bss(adapt))
			RTW_PRINT(FUNC_ADPT_FMT" BSS not found !!\n", FUNC_ADPT_ARG(adapt));
	}
	/* notify cfg80211 that device joined an IBSS */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0))
	notify_channel = ieee80211_get_channel(wiphy, freq);
	cfg80211_ibss_joined(adapt->pnetdev, cur_network->network.MacAddress, notify_channel, GFP_ATOMIC);
#else
	cfg80211_ibss_joined(adapt->pnetdev, cur_network->network.MacAddress, GFP_ATOMIC);
#endif
}

void rtw_cfg80211_indicate_connect(struct adapter *adapt)
{
	struct mlme_priv *pmlmepriv = &adapt->mlmepriv;
	struct wlan_network  *cur_network = &(pmlmepriv->cur_network);
	struct wireless_dev *pwdev = adapt->rtw_wdev;
	struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(adapt);
	unsigned long irqL;
	struct wifidirect_info *pwdinfo = &(adapt->wdinfo);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)
	struct cfg80211_roam_info roam_info ={};
#endif

	RTW_INFO(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapt));
	if (pwdev->iftype != NL80211_IFTYPE_STATION
		#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
		&& pwdev->iftype != NL80211_IFTYPE_P2P_CLIENT
		#endif
	)
		return;

	if (!MLME_IS_STA(adapt))
		return;

	if (pwdinfo->driver_interface == DRIVER_CFG80211) {
		if (!rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE)) {
			rtw_p2p_set_pre_state(pwdinfo, rtw_p2p_state(pwdinfo));
			rtw_p2p_set_role(pwdinfo, P2P_ROLE_CLIENT);
			rtw_p2p_set_state(pwdinfo, P2P_STATE_GONEGO_OK);
			RTW_INFO("%s, role=%d, p2p_state=%d, pre_p2p_state=%d\n", __func__, rtw_p2p_role(pwdinfo), rtw_p2p_state(pwdinfo), rtw_p2p_pre_state(pwdinfo));
		}
	}

	if (!check_fwstate(pmlmepriv, WIFI_MONITOR_STATE)) {
		struct wlan_bssid_ex  *pnetwork = &(adapt->mlmeextpriv.mlmext_info.network);
		struct wlan_network *scanned = pmlmepriv->cur_network_scanned;

		/* RTW_INFO(FUNC_ADPT_FMT" BSS not found\n", FUNC_ADPT_ARG(adapt)); */

		if (!scanned) {
			rtw_warn_on(1);
			goto check_bss;
		}

		if (!memcmp(scanned->network.MacAddress, pnetwork->MacAddress, 6)
			&& !memcmp(&(scanned->network.Ssid), &(pnetwork->Ssid), sizeof(struct ndis_802_11_ssid))
		) {
			if (!rtw_cfg80211_inform_bss(adapt, scanned))
				RTW_INFO(FUNC_ADPT_FMT" inform fail !!\n", FUNC_ADPT_ARG(adapt));
			else {
				/* RTW_INFO(FUNC_ADPT_FMT" inform success !!\n", FUNC_ADPT_ARG(adapt)); */
			}
		} else {
			RTW_INFO("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(adapt))
		RTW_PRINT(FUNC_ADPT_FMT" BSS not found !!\n", FUNC_ADPT_ARG(adapt));

	_enter_critical_bh(&pwdev_priv->connect_req_lock, &irqL);

	if (rtw_to_roam(adapt) > 0) {
		#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39) || defined(COMPAT_KERNEL_RELEASE)
		struct wiphy *wiphy = pwdev->wiphy;
		struct ieee80211_channel *notify_channel;
		u32 freq;
		u16 channel = cur_network->network.Configuration.DSConfig;

		freq = rtw_ch2freq(channel);
		notify_channel = ieee80211_get_channel(wiphy, freq);
		#endif

		#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)
		roam_info.bssid = cur_network->network.MacAddress;
		roam_info.req_ie = pmlmepriv->assoc_req + sizeof(struct rtw_ieee80211_hdr_3addr) + 2;
		roam_info.req_ie_len = pmlmepriv->assoc_req_len - sizeof(struct rtw_ieee80211_hdr_3addr) - 2;
		roam_info.resp_ie = pmlmepriv->assoc_rsp + sizeof(struct rtw_ieee80211_hdr_3addr) + 6;
		roam_info.resp_ie_len = pmlmepriv->assoc_rsp_len - sizeof(struct rtw_ieee80211_hdr_3addr) - 6;

		cfg80211_roamed(adapt->pnetdev, &roam_info, GFP_ATOMIC);
		#else
		cfg80211_roamed(adapt->pnetdev
			#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39) || defined(COMPAT_KERNEL_RELEASE)
			, notify_channel
			#endif
			, cur_network->network.MacAddress
			, pmlmepriv->assoc_req + sizeof(struct rtw_ieee80211_hdr_3addr) + 2
			, pmlmepriv->assoc_req_len - sizeof(struct rtw_ieee80211_hdr_3addr) - 2
			, pmlmepriv->assoc_rsp + sizeof(struct rtw_ieee80211_hdr_3addr) + 6
			, pmlmepriv->assoc_rsp_len - sizeof(struct rtw_ieee80211_hdr_3addr) - 6
			, GFP_ATOMIC);
		#endif /*LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)*/

		RTW_INFO(FUNC_ADPT_FMT" call cfg80211_roamed\n", FUNC_ADPT_ARG(adapt));

#ifdef CONFIG_RTW_80211R
		if (rtw_ft_roam(adapt))
			rtw_ft_set_status(adapt, RTW_FT_ASSOCIATED_STA);
#endif
	} else {
		#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) || defined(COMPAT_KERNEL_RELEASE)
		RTW_INFO("pwdev->sme_state(b)=%d\n", pwdev->sme_state);
		#endif

		if (!check_fwstate(pmlmepriv, WIFI_MONITOR_STATE))
			rtw_cfg80211_connect_result(pwdev, cur_network->network.MacAddress
				, pmlmepriv->assoc_req + sizeof(struct rtw_ieee80211_hdr_3addr) + 2
				, pmlmepriv->assoc_req_len - sizeof(struct rtw_ieee80211_hdr_3addr) - 2
				, pmlmepriv->assoc_rsp + sizeof(struct rtw_ieee80211_hdr_3addr) + 6
				, pmlmepriv->assoc_rsp_len - sizeof(struct rtw_ieee80211_hdr_3addr) - 6
				, WLAN_STATUS_SUCCESS, GFP_ATOMIC);
		#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) || defined(COMPAT_KERNEL_RELEASE)
		RTW_INFO("pwdev->sme_state(a)=%d\n", pwdev->sme_state);
		#endif
	}

	rtw_wdev_free_connect_req(pwdev_priv);

	_exit_critical_bh(&pwdev_priv->connect_req_lock, &irqL);
}

void rtw_cfg80211_indicate_disconnect(struct adapter *adapt, u16 reason, u8 locally_generated)
{
	struct wireless_dev *pwdev = adapt->rtw_wdev;
	struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(adapt);
	unsigned long irqL;
	struct wifidirect_info *pwdinfo = &(adapt->wdinfo);

	RTW_INFO(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapt));

	/*always replace privated definitions with wifi reserved value 0*/
	if (WLAN_REASON_IS_PRIVATE(reason))
		reason = 0;

	if (pwdev->iftype != NL80211_IFTYPE_STATION
		#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
		&& pwdev->iftype != NL80211_IFTYPE_P2P_CLIENT
		#endif
	)
		return;

	if (!MLME_IS_STA(adapt))
		return;

	if (pwdinfo->driver_interface == DRIVER_CFG80211) {
		if (!rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE)) {
			rtw_p2p_set_state(pwdinfo, rtw_p2p_pre_state(pwdinfo));

			rtw_p2p_set_role(pwdinfo, P2P_ROLE_DEVICE);

			RTW_INFO("%s, role=%d, p2p_state=%d, pre_p2p_state=%d\n", __func__, rtw_p2p_role(pwdinfo), rtw_p2p_state(pwdinfo), rtw_p2p_pre_state(pwdinfo));
		}
	}

	_enter_critical_bh(&pwdev_priv->connect_req_lock, &irqL);

	if (adapt->ndev_unregistering || !rtw_wdev_not_indic_disco(pwdev_priv)) {
		#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) || defined(COMPAT_KERNEL_RELEASE)
		RTW_INFO("pwdev->sme_state(b)=%d\n", pwdev->sme_state);

		if (pwdev->sme_state == CFG80211_SME_CONNECTING) {
			RTW_INFO(FUNC_ADPT_FMT" call cfg80211_connect_result\n", FUNC_ADPT_ARG(adapt));
			rtw_cfg80211_connect_result(pwdev, NULL, NULL, 0, NULL, 0,
				WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_ATOMIC);
		} else if (pwdev->sme_state == CFG80211_SME_CONNECTED) {
			RTW_INFO(FUNC_ADPT_FMT" call cfg80211_disconnected\n", FUNC_ADPT_ARG(adapt));
			rtw_cfg80211_disconnected(pwdev, reason, NULL, 0, locally_generated, GFP_ATOMIC);
		}

		RTW_INFO("pwdev->sme_state(a)=%d\n", pwdev->sme_state);
		#else
		if (pwdev_priv->connect_req) {
			RTW_INFO(FUNC_ADPT_FMT" call cfg80211_connect_result\n", FUNC_ADPT_ARG(adapt));
			rtw_cfg80211_connect_result(pwdev, NULL, NULL, 0, NULL, 0,
				WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_ATOMIC);
		} else {
			RTW_INFO(FUNC_ADPT_FMT" call cfg80211_disconnected\n", FUNC_ADPT_ARG(adapt));
			rtw_cfg80211_disconnected(pwdev, reason, NULL, 0, locally_generated, GFP_ATOMIC);
		}
		#endif
	}

	rtw_wdev_free_connect_req(pwdev_priv);

	_exit_critical_bh(&pwdev_priv->connect_req_lock, &irqL);
}


static int rtw_cfg80211_ap_set_encryption(struct net_device *dev, struct ieee_param *param)
{
	int ret = 0;
	u32 wep_key_idx, wep_key_len;
	struct sta_info *psta = NULL, *pbcmc_sta = NULL;
	struct adapter *adapt = (struct adapter *)rtw_netdev_priv(dev);
	struct security_priv *psecuritypriv = &(adapt->securitypriv);
	struct sta_priv *pstapriv = &adapt->stapriv;

	RTW_INFO("%s\n", __func__);

	param->u.crypt.err = 0;
	param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';

	if (is_broadcast_mac_addr(param->sta_addr)) {
		if (param->u.crypt.idx >= WEP_KEYS
			#ifdef CONFIG_IEEE80211W
			&& param->u.crypt.idx > BIP_MAX_KEYID
			#endif
		) {
			ret = -EINVAL;
			goto exit;
		}
	} else {
		psta = rtw_get_stainfo(pstapriv, param->sta_addr);
		if (!psta) {
			ret = -EINVAL;
			RTW_INFO(FUNC_ADPT_FMT", sta "MAC_FMT" not found\n"
				, FUNC_ADPT_ARG(adapt), MAC_ARG(param->sta_addr));
			goto exit;
		}
	}

	if (strcmp(param->u.crypt.alg, "none") == 0 && (!psta)) {
		/* todo:clear default encryption keys */

		RTW_INFO("clear default encryption keys, keyid=%d\n", param->u.crypt.idx);

		goto exit;
	}


	if (strcmp(param->u.crypt.alg, "WEP") == 0 && (!psta)) {
		RTW_INFO("r871x_set_encryption, crypt.alg = WEP\n");

		wep_key_idx = param->u.crypt.idx;
		wep_key_len = param->u.crypt.key_len;

		RTW_INFO("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(adapt, param->u.crypt.key, wep_key_len, wep_key_idx, 1);

		goto exit;

	}

	if (!psta) { /* group key */
		if (param->u.crypt.set_tx == 0) { /* group key, TX only */
			if (strcmp(param->u.crypt.alg, "WEP") == 0) {
				RTW_INFO(FUNC_ADPT_FMT" set WEP TX GTK idx:%u, len:%u\n"
					, FUNC_ADPT_ARG(adapt), param->u.crypt.idx, param->u.crypt.key_len);
				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) {
				RTW_INFO(FUNC_ADPT_FMT" set TKIP TX GTK idx:%u, len:%u\n"
					, FUNC_ADPT_ARG(adapt), param->u.crypt.idx, param->u.crypt.key_len);
				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));
				/* 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) {
				RTW_INFO(FUNC_ADPT_FMT" set CCMP TX GTK idx:%u, len:%u\n"
					, FUNC_ADPT_ARG(adapt), param->u.crypt.idx, param->u.crypt.key_len);
				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));

			#ifdef CONFIG_IEEE80211W
			} else if (strcmp(param->u.crypt.alg, "BIP") == 0) {
				RTW_INFO(FUNC_ADPT_FMT" set TX IGTK idx:%u, len:%u\n"
					, FUNC_ADPT_ARG(adapt), param->u.crypt.idx, param->u.crypt.key_len);
				memcpy(adapt->securitypriv.dot11wBIPKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
				adapt->securitypriv.dot11wBIPKeyid = param->u.crypt.idx;
				psecuritypriv->dot11wBIPtxpn.val = RTW_GET_LE64(param->u.crypt.seq);
				adapt->securitypriv.binstallBIPkey = true;
				goto exit;
			#endif /* CONFIG_IEEE80211W */

			} else if (strcmp(param->u.crypt.alg, "none") == 0) {
				RTW_INFO(FUNC_ADPT_FMT" clear group key, idx:%u\n"
					, FUNC_ADPT_ARG(adapt), param->u.crypt.idx);
				psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
			} else {
				RTW_WARN(FUNC_ADPT_FMT" set group key, not support\n"
					, FUNC_ADPT_ARG(adapt));
				goto exit;
			}

			psecuritypriv->dot118021XGrpKeyid = param->u.crypt.idx;
			pbcmc_sta = rtw_get_bcmc_stainfo(adapt);
			if (pbcmc_sta) {
				pbcmc_sta->dot11txpn.val = RTW_GET_LE64(param->u.crypt.seq);
				pbcmc_sta->ieee8021x_blocked = false;
				pbcmc_sta->dot118021XPrivacy = psecuritypriv->dot118021XGrpPrivacy; /* rx will use bmc_sta's dot118021XPrivacy			 */
			}
			psecuritypriv->binstallGrpkey = true;
			psecuritypriv->dot11PrivacyAlgrthm = psecuritypriv->dot118021XGrpPrivacy;/* !!! */

			rtw_ap_set_group_key(adapt, param->u.crypt.key, psecuritypriv->dot118021XGrpPrivacy, param->u.crypt.idx);
		}

		goto exit;

	}

	if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X && psta) { /* psk/802_1x */
		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) {
				RTW_INFO(FUNC_ADPT_FMT" set WEP PTK of "MAC_FMT" idx:%u, len:%u\n"
					, FUNC_ADPT_ARG(adapt), MAC_ARG(psta->cmn.mac_addr)
					, param->u.crypt.idx, param->u.crypt.key_len);
				psta->dot118021XPrivacy = _WEP40_;
				if (param->u.crypt.key_len == 13)
					psta->dot118021XPrivacy = _WEP104_;

			} else if (strcmp(param->u.crypt.alg, "TKIP") == 0) {
				RTW_INFO(FUNC_ADPT_FMT" set TKIP PTK of "MAC_FMT" idx:%u, len:%u\n"
					, FUNC_ADPT_ARG(adapt), MAC_ARG(psta->cmn.mac_addr)
					, param->u.crypt.idx, param->u.crypt.key_len);
				psta->dot118021XPrivacy = _TKIP_;
				/* 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) {
				RTW_INFO(FUNC_ADPT_FMT" set CCMP PTK of "MAC_FMT" idx:%u, len:%u\n"
					, FUNC_ADPT_ARG(adapt), MAC_ARG(psta->cmn.mac_addr)
					, param->u.crypt.idx, param->u.crypt.key_len);
				psta->dot118021XPrivacy = _AES_;

			} else if (strcmp(param->u.crypt.alg, "none") == 0) {
				RTW_INFO(FUNC_ADPT_FMT" clear pairwise key of "MAC_FMT" idx:%u\n"
					, FUNC_ADPT_ARG(adapt), MAC_ARG(psta->cmn.mac_addr)
					, param->u.crypt.idx);
				psta->dot118021XPrivacy = _NO_PRIVACY_;
			} else {
				RTW_WARN(FUNC_ADPT_FMT" set pairwise key of "MAC_FMT", not support\n"
					, FUNC_ADPT_ARG(adapt), MAC_ARG(psta->cmn.mac_addr));
				goto exit;
			}

			psta->dot11txpn.val = RTW_GET_LE64(param->u.crypt.seq);
			psta->dot11rxpn.val = RTW_GET_LE64(param->u.crypt.seq);
			psta->ieee8021x_blocked = false;
			psta->bpairwise_key_installed = true;
			rtw_ap_set_pairwise_key(adapt, psta);

		} else {
			/* peer's group key, RX only */
			RTW_WARN(FUNC_ADPT_FMT" set group key of "MAC_FMT", not support\n"
				, FUNC_ADPT_ARG(adapt), MAC_ARG(psta->cmn.mac_addr));
			goto exit;
		}

	}

exit:
	return ret;
}

static int rtw_cfg80211_set_encryption(struct net_device *dev, struct ieee_param *param)
{
	int ret = 0;
	u32 wep_key_idx, wep_key_len;
	struct adapter *adapt = (struct adapter *)rtw_netdev_priv(dev);
	struct mlme_priv	*pmlmepriv = &adapt->mlmepriv;
	struct security_priv *psecuritypriv = &adapt->securitypriv;
	struct wifidirect_info *pwdinfo = &adapt->wdinfo;

	RTW_INFO("%s\n", __func__);

	param->u.crypt.err = 0;
	param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';

	if (is_broadcast_mac_addr(param->sta_addr)) {
		if (param->u.crypt.idx >= WEP_KEYS
			#ifdef CONFIG_IEEE80211W
			&& param->u.crypt.idx > BIP_MAX_KEYID
			#endif
		) {
			ret = -EINVAL;
			goto exit;
		}
	} else {
		ret = -EINVAL;
		goto exit;
	}

	if (strcmp(param->u.crypt.alg, "WEP") == 0) {
		RTW_INFO("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(adapt, psecuritypriv, wep_key_idx, 0, true);

		goto exit;
	}

	if (adapt->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) { /* 802_1x */
		struct sta_info *psta, *pbcmc_sta;
		struct sta_priv *pstapriv = &adapt->stapriv;

		/* RTW_INFO("%s, : dot11AuthAlgrthm == dot11AuthAlgrthm_8021X\n", __func__); */

		if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_MP_STATE)) { /* sta mode */
#ifdef CONFIG_RTW_80211R
			if (rtw_ft_roam(adapt))
				psta = rtw_get_stainfo(pstapriv, pmlmepriv->assoc_bssid);
			else
#endif
				psta = rtw_get_stainfo(pstapriv, get_bssid(pmlmepriv));
			if (!psta) {
				RTW_INFO("%s, : Obtain Sta_info fail\n", __func__);
			} else {
				/* don't disable ieee8021x_blocked while clearing key */
				if (strcmp(param->u.crypt.alg, "none") != 0)
					psta->ieee8021x_blocked = false;

				if ((adapt->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
				    (adapt->securitypriv.ndisencryptstatus ==  Ndis802_11Encryption3Enabled))
					psta->dot118021XPrivacy = adapt->securitypriv.dot11PrivacyAlgrthm;

				if (param->u.crypt.set_tx == 1) { /* pairwise key */
					RTW_INFO(FUNC_ADPT_FMT" set %s PTK idx:%u, len:%u\n"
						, FUNC_ADPT_ARG(adapt), param->u.crypt.alg, param->u.crypt.idx, param->u.crypt.key_len);
					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 */
						memcpy(psta->dot11tkiptxmickey.skey, &(param->u.crypt.key[16]), 8);
						memcpy(psta->dot11tkiprxmickey.skey, &(param->u.crypt.key[24]), 8);
						adapt->securitypriv.busetkipkey = false;
					}
					psta->dot11txpn.val = RTW_GET_LE64(param->u.crypt.seq);
					psta->dot11rxpn.val = RTW_GET_LE64(param->u.crypt.seq);
					psta->bpairwise_key_installed = true;
					#ifdef CONFIG_RTW_80211R
					psta->ft_pairwise_key_installed = true;
					#endif
					rtw_setstakey_cmd(adapt, psta, UNICAST_KEY, true);
				} else { /* group key */
					if (strcmp(param->u.crypt.alg, "TKIP") == 0 || strcmp(param->u.crypt.alg, "CCMP") == 0) {
						RTW_INFO(FUNC_ADPT_FMT" set %s GTK idx:%u, len:%u\n"
							, FUNC_ADPT_ARG(adapt), param->u.crypt.alg, param->u.crypt.idx, param->u.crypt.key_len);
						memcpy(adapt->securitypriv.dot118021XGrpKey[param->u.crypt.idx].skey,  param->u.crypt.key,
							(param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
						memcpy(adapt->securitypriv.dot118021XGrptxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[16]), 8);
						memcpy(adapt->securitypriv.dot118021XGrprxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[24]), 8);
						adapt->securitypriv.binstallGrpkey = true;
						if (param->u.crypt.idx < 4) 
							memcpy(adapt->securitypriv.iv_seq[param->u.crypt.idx], param->u.crypt.seq, 8);							
						adapt->securitypriv.dot118021XGrpKeyid = param->u.crypt.idx;
						rtw_set_key(adapt, &adapt->securitypriv, param->u.crypt.idx, 1, true);

					#ifdef CONFIG_IEEE80211W
					} else if (strcmp(param->u.crypt.alg, "BIP") == 0) {
						RTW_INFO(FUNC_ADPT_FMT" set IGTK idx:%u, len:%u\n"
							, FUNC_ADPT_ARG(adapt), param->u.crypt.idx, param->u.crypt.key_len);
						memcpy(adapt->securitypriv.dot11wBIPKey[param->u.crypt.idx].skey,  param->u.crypt.key,
							(param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
						psecuritypriv->dot11wBIPKeyid = param->u.crypt.idx;
						psecuritypriv->dot11wBIPrxpn.val = RTW_GET_LE64(param->u.crypt.seq);
						psecuritypriv->binstallBIPkey = true;
					#endif /* CONFIG_IEEE80211W */

					}
					if (pwdinfo->driver_interface == DRIVER_CFG80211) {
						if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_PROVISIONING_ING))
							rtw_p2p_set_state(pwdinfo, P2P_STATE_PROVISIONING_DONE);
					}

				}
			}

			pbcmc_sta = rtw_get_bcmc_stainfo(adapt);
			if (pbcmc_sta) {
				/* don't disable ieee8021x_blocked while clearing key */
				if (strcmp(param->u.crypt.alg, "none") != 0)
					pbcmc_sta->ieee8021x_blocked = false;

				if ((adapt->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
				    (adapt->securitypriv.ndisencryptstatus ==  Ndis802_11Encryption3Enabled))
					pbcmc_sta->dot118021XPrivacy = adapt->securitypriv.dot11PrivacyAlgrthm;
			}
		} else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { /* adhoc mode */
		}
	}

exit:

	RTW_INFO("%s, ret=%d\n", __func__, ret);

	return ret;
}

static int cfg80211_rtw_add_key(struct wiphy *wiphy, struct net_device *ndev
	, u8 key_index
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
	, bool pairwise
#endif
	, const u8 *mac_addr, struct key_params *params)
{
	char *alg_name;
	u32 param_len;
	struct ieee_param *param = NULL;
	int ret = 0;
	struct adapter *adapt = (struct adapter *)rtw_netdev_priv(ndev);
	struct wireless_dev *rtw_wdev = adapt->rtw_wdev;
	struct mlme_priv *pmlmepriv = &adapt->mlmepriv;

	if (mac_addr)
		RTW_INFO(FUNC_NDEV_FMT" adding key for %pM\n", FUNC_NDEV_ARG(ndev), mac_addr);
	RTW_INFO(FUNC_NDEV_FMT" cipher=0x%x\n", FUNC_NDEV_ARG(ndev), params->cipher);
	RTW_INFO(FUNC_NDEV_FMT" key_len=%d, key_index=%d\n", FUNC_NDEV_ARG(ndev), params->key_len, key_index);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
	RTW_INFO(FUNC_NDEV_FMT" pairwise=%d\n", FUNC_NDEV_ARG(ndev), pairwise);
#endif

	if (rtw_cfg80211_sync_iftype(adapt) != _SUCCESS) {
		ret = -ENOTSUPP;
		goto addkey_end;
	}

	param_len = sizeof(struct ieee_param) + params->key_len;
	param = rtw_malloc(param_len);
	if (!param)
		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;
#ifdef CONFIG_IEEE80211W
	case WLAN_CIPHER_SUITE_AES_CMAC:
		alg_name = "BIP";
		break;
#endif /* CONFIG_IEEE80211W */
	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)
		#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
		|| !pairwise
		#endif
	) {
		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);
		RTW_INFO(FUNC_NDEV_FMT" seq_len:%u, seq:0x%llx\n", FUNC_NDEV_ARG(ndev)
			, params->seq_len, RTW_GET_LE64(param->u.crypt.seq));
	}

	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)) {
		ret = rtw_cfg80211_set_encryption(ndev, param);
	} else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
		if (mac_addr)
			memcpy(param->sta_addr, (void *)mac_addr, ETH_ALEN);

		ret = rtw_cfg80211_ap_set_encryption(ndev, param);
	} else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)
		|| check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)
	) {
		/* RTW_INFO("@@@@@@@@@@ fw_state=0x%x, iftype=%d\n", pmlmepriv->fw_state, rtw_wdev->iftype); */
		ret = rtw_cfg80211_set_encryption(ndev, param);
	} else
		RTW_INFO("error! fw_state=0x%x, iftype=%d\n", pmlmepriv->fw_state, rtw_wdev->iftype);


addkey_end:
	if (param)
		rtw_mfree(param, param_len);

	return ret;

}

static int cfg80211_rtw_get_key(struct wiphy *wiphy, struct net_device *ndev
	, u8 keyid
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
	, bool pairwise
#endif
	, const u8 *mac_addr, void *cookie
	, void (*callback)(void *cookie, struct key_params *))
{
#define GET_KEY_PARAM_FMT_S " keyid=%d"
#define GET_KEY_PARAM_ARG_S , keyid
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
	#define GET_KEY_PARAM_FMT_2_6_37 ", pairwise=%d"
	#define GET_KEY_PARAM_ARG_2_6_37 , pairwise
#else
	#define GET_KEY_PARAM_FMT_2_6_37 ""
	#define GET_KEY_PARAM_ARG_2_6_37
#endif
#define GET_KEY_PARAM_FMT_E ", addr=%pM"
#define GET_KEY_PARAM_ARG_E , mac_addr

	struct adapter *adapter = (struct adapter *)rtw_netdev_priv(ndev);
	struct security_priv *sec = &adapter->securitypriv;
	struct sta_priv *stapriv = &adapter->stapriv;
	struct sta_info *sta = NULL;
	u32 cipher = _NO_PRIVACY_;
	union Keytype *key = NULL;
	u8 key_len = 0;
	u64 *pn = NULL;
	u8 pn_len = 0;
	u8 pn_val[8] = {0};

	struct key_params params;
	int ret = -ENOENT;

	if (keyid >= WEP_KEYS
		#ifdef CONFIG_IEEE80211W
		&& keyid > BIP_MAX_KEYID
		#endif
	)
		goto exit;

	if (!mac_addr || is_broadcast_ether_addr(mac_addr)
		#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
		|| (MLME_IS_STA(adapter) && !pairwise)
		#endif
	) {	
		/* WEP key, TX GTK/IGTK, RX GTK/IGTK(for STA mode) */
		if (is_wep_enc(sec->dot118021XGrpPrivacy)) {
			if (keyid >= WEP_KEYS)
				goto exit;
			if (!(sec->key_mask & BIT(keyid)))
				goto exit;
			cipher = sec->dot118021XGrpPrivacy;
			key = &sec->dot11DefKey[keyid];
		} else {
			if (keyid < WEP_KEYS) {
				if (!sec->binstallGrpkey)
					goto exit;
				cipher = sec->dot118021XGrpPrivacy;
				key = &sec->dot118021XGrpKey[keyid];
				sta = rtw_get_bcmc_stainfo(adapter);
				if (sta)
					pn = &sta->dot11txpn.val;
			#ifdef CONFIG_IEEE80211W
			} else if (keyid < BIP_MAX_KEYID) {
				if (!SEC_IS_BIP_KEY_INSTALLED(sec))
					goto exit;
				cipher = _BIP_;
				key = &sec->dot11wBIPKey[keyid];
				pn = &sec->dot11wBIPtxpn.val;
			#endif
			}
		}
	} else {
		/* Pairwise key, RX GTK/IGTK for specific peer */
		sta = rtw_get_stainfo(stapriv, mac_addr);
		if (!sta)
			goto exit;

		if (keyid < WEP_KEYS && pairwise) {
			if (!sta->bpairwise_key_installed)
				goto exit;
			cipher = sta->dot118021XPrivacy;
			key = &sta->dot118021x_UncstKey;
		}
	}

	if (!key)
		goto exit;

	if (cipher == _WEP40_) {
		cipher = WLAN_CIPHER_SUITE_WEP40;
		key_len = sec->dot11DefKeylen[keyid];
	} else if (cipher == _WEP104_) {
		cipher = WLAN_CIPHER_SUITE_WEP104;
		key_len = sec->dot11DefKeylen[keyid];
	} else if (cipher == _TKIP_) {
		cipher = WLAN_CIPHER_SUITE_TKIP;
		key_len = 16;
	} else if (cipher == _AES_) {
		cipher = WLAN_CIPHER_SUITE_CCMP;
		key_len = 16;
	#ifdef CONFIG_IEEE80211W
	} else if (cipher == _BIP_) {
		cipher = WLAN_CIPHER_SUITE_AES_CMAC;
		key_len = 16;
	#endif
	} else {
		RTW_WARN(FUNC_NDEV_FMT" unknown cipher:%u\n", FUNC_NDEV_ARG(ndev), cipher);
		rtw_warn_on(1);
		goto exit;
	}

	if (pn) {
		*((__le64 *)pn_val) = cpu_to_le64(*pn);
		pn_len = 6;
	}

	ret = 0;
	
exit:
	RTW_INFO(FUNC_NDEV_FMT
		GET_KEY_PARAM_FMT_S
		GET_KEY_PARAM_FMT_2_6_37
		GET_KEY_PARAM_FMT_E
		" ret %d\n", FUNC_NDEV_ARG(ndev)
		GET_KEY_PARAM_ARG_S
		GET_KEY_PARAM_ARG_2_6_37
		GET_KEY_PARAM_ARG_E
		, ret);
	if (pn)
		RTW_INFO(FUNC_NDEV_FMT " seq:0x%llx\n", FUNC_NDEV_ARG(ndev), *pn);

	if (ret == 0) {
		memset(&params, 0, sizeof(params));

		params.cipher = cipher;
		params.key = key->skey;
		params.key_len = key_len;
		if (pn) {
			params.seq = pn_val;
			params.seq_len = pn_len;
		}

		callback(cookie, &params);
	}

	return ret;
}

static int cfg80211_rtw_del_key(struct wiphy *wiphy, struct net_device *ndev,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
				u8 key_index, bool pairwise, const u8 *mac_addr)
#else	/* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) */
				u8 key_index, const u8 *mac_addr)
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) */
{
	struct adapter *adapt = (struct adapter *)rtw_netdev_priv(ndev);
	struct security_priv *psecuritypriv = &adapt->securitypriv;

	RTW_INFO(FUNC_NDEV_FMT" key_index=%d, addr=%pM\n", FUNC_NDEV_ARG(ndev), key_index, mac_addr);

	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
	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 38)) || defined(COMPAT_KERNEL_RELEASE)
	, bool unicast, bool multicast
	#endif
)
{
	struct adapter *adapt = (struct adapter *)rtw_netdev_priv(ndev);
	struct security_priv *psecuritypriv = &adapt->securitypriv;

#define SET_DEF_KEY_PARAM_FMT " key_index=%d"
#define SET_DEF_KEY_PARAM_ARG , key_index
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 38)) || defined(COMPAT_KERNEL_RELEASE)
	#define SET_DEF_KEY_PARAM_FMT_2_6_38 ", unicast=%d, multicast=%d"
	#define SET_DEF_KEY_PARAM_ARG_2_6_38 , unicast, multicast
#else
	#define SET_DEF_KEY_PARAM_FMT_2_6_38 ""
	#define SET_DEF_KEY_PARAM_ARG_2_6_38
#endif

	RTW_INFO(FUNC_NDEV_FMT
		SET_DEF_KEY_PARAM_FMT
		SET_DEF_KEY_PARAM_FMT_2_6_38
		"\n", FUNC_NDEV_ARG(ndev)
		SET_DEF_KEY_PARAM_ARG
		SET_DEF_KEY_PARAM_ARG_2_6_38
	);

	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;

}

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 30))
static int cfg80211_rtw_set_default_mgmt_key(struct wiphy *wiphy,
	struct net_device *ndev, u8 key_index)
{
#define SET_DEF_KEY_PARAM_FMT " key_index=%d"
#define SET_DEF_KEY_PARAM_ARG , key_index

	RTW_INFO(FUNC_NDEV_FMT
		SET_DEF_KEY_PARAM_FMT
		"\n", FUNC_NDEV_ARG(ndev)
		SET_DEF_KEY_PARAM_ARG
	);

	return 0;
}
#endif

#if defined(CONFIG_GTK_OL) && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0))
static int cfg80211_rtw_set_rekey_data(struct wiphy *wiphy,
	struct net_device *ndev,
	struct cfg80211_gtk_rekey_data *data)
{
	/*int i;*/
	struct sta_info *psta;
	struct adapter *adapt = (struct adapter *)rtw_netdev_priv(ndev);
	struct mlme_priv   *pmlmepriv = &adapt->mlmepriv;
	struct sta_priv *pstapriv = &adapt->stapriv;
	struct security_priv *psecuritypriv = &(adapt->securitypriv);

	psta = rtw_get_stainfo(pstapriv, get_bssid(pmlmepriv));
	if (!psta) {
		RTW_INFO("%s, : Obtain Sta_info fail\n", __func__);
		return -1;
	}

	memcpy(psta->kek, data->kek, NL80211_KEK_LEN);
	memcpy(psta->kck, data->kck, NL80211_KCK_LEN);
	memcpy(psta->replay_ctr, data->replay_ctr, NL80211_REPLAY_CTR_LEN);
	psecuritypriv->binstallKCK_KEK = true;

	return 0;
}
#endif /*CONFIG_GTK_OL*/
static int cfg80211_rtw_get_station(struct wiphy *wiphy,
	struct net_device *ndev,
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 16, 0))
	u8 *mac,
#else
	const u8 *mac,
#endif
	struct station_info *sinfo)
{
	int ret = 0;
	struct adapter *adapt = (struct adapter *)rtw_netdev_priv(ndev);
	struct mlme_priv *pmlmepriv = &adapt->mlmepriv;
	struct sta_info *psta = NULL;
	struct sta_priv *pstapriv = &adapt->stapriv;

	sinfo->filled = 0;

	if (!mac) {
		RTW_INFO(FUNC_NDEV_FMT" mac==%p\n", FUNC_NDEV_ARG(ndev), mac);
		ret = -ENOENT;
		goto exit;
	}

	psta = rtw_get_stainfo(pstapriv, (u8 *)mac);
	if (!psta) {
		RTW_INFO("%s, sta_info is null\n", __func__);
		ret = -ENOENT;
		goto exit;
	}

	/* 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)) {
			RTW_INFO("%s, mismatch bssid="MAC_FMT"\n", __func__, MAC_ARG(cur_network->network.MacAddress));
			ret = -ENOENT;
			goto exit;
		}

		sinfo->filled |= STATION_INFO_SIGNAL;
		sinfo->signal = translate_percentage_to_dbm(adapt->recvpriv.signal_strength);

		sinfo->filled |= STATION_INFO_TX_BITRATE;
		sinfo->txrate.legacy = rtw_get_cur_max_rate(adapt);

		sinfo->filled |= STATION_INFO_RX_PACKETS;
		sinfo->rx_packets = sta_rx_data_pkts(psta);

		sinfo->filled |= STATION_INFO_TX_PACKETS;
		sinfo->tx_packets = psta->sta_stats.tx_pkts;

        sinfo->filled |= STATION_INFO_TX_FAILED;
        sinfo->tx_failed = psta->sta_stats.tx_fail_cnt;

	}

	/* 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,
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0))
				     u32 *flags,
#endif
				     struct vif_params *params)
{
	enum nl80211_iftype old_type;
	enum ndis_802_11_network_infrastructure networkType;
	struct adapter *adapt = (struct adapter *)rtw_netdev_priv(ndev);
	struct wireless_dev *rtw_wdev = adapt->rtw_wdev;
	struct mlme_ext_priv	*pmlmeext = &(adapt->mlmeextpriv);
	struct wifidirect_info *pwdinfo = &(adapt->wdinfo);
	u8 is_p2p = false;
	int ret = 0;
	u8 change = false;

	RTW_INFO(FUNC_NDEV_FMT" type=%d, hw_port:%d\n", FUNC_NDEV_ARG(ndev), type, adapt->hw_port);

	if (adapter_to_dvobj(adapt)->processing_dev_remove) {
		ret = -EPERM;
		goto exit;
	}


	RTW_INFO(FUNC_NDEV_FMT" call netdev_open\n", FUNC_NDEV_ARG(ndev));
	if (netdev_open(ndev) != 0) {
		RTW_INFO(FUNC_NDEV_FMT" call netdev_open fail\n", FUNC_NDEV_ARG(ndev));
		ret = -EPERM;
		goto exit;
	}


	if (_FAIL == rtw_pwr_wakeup(adapt)) {
		RTW_INFO(FUNC_NDEV_FMT" call rtw_pwr_wakeup fail\n", FUNC_NDEV_ARG(ndev));
		ret = -EPERM;
		goto exit;
	}

	old_type = rtw_wdev->iftype;
	RTW_INFO(FUNC_NDEV_FMT" old_iftype=%d, new_iftype=%d\n",
		FUNC_NDEV_ARG(ndev), old_type, type);

	if (old_type != type) {
		change = true;
		pmlmeext->action_public_rxseq = 0xffff;
		pmlmeext->action_public_dialog_token = 0xff;
	}

	/* initial default type */
	ndev->type = ARPHRD_ETHER;

	/*
	 * Disable Power Save in moniter mode,
	 * and enable it after leaving moniter mode.
	 */
	if (type == NL80211_IFTYPE_MONITOR) {
		rtw_ps_deny(adapt, PS_DENY_MONITOR_MODE);
		LeaveAllPowerSaveMode(adapt);
	} else if (old_type == NL80211_IFTYPE_MONITOR) {
		/* driver in moniter mode in last time */
		rtw_ps_deny_cancel(adapt, PS_DENY_MONITOR_MODE);
	}

	switch (type) {
	case NL80211_IFTYPE_ADHOC:
		networkType = Ndis802_11IBSS;
		break;

	#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE))
	case NL80211_IFTYPE_P2P_CLIENT:
		is_p2p = true;
		__attribute__((__fallthrough__));
	#endif
	case NL80211_IFTYPE_STATION:
		networkType = Ndis802_11Infrastructure;

		if (change && pwdinfo->driver_interface == DRIVER_CFG80211) {
			if (is_p2p)
				rtw_p2p_enable(adapt, P2P_ROLE_CLIENT);
			else if (rtw_p2p_chk_role(pwdinfo, P2P_ROLE_CLIENT)
					|| rtw_p2p_chk_role(pwdinfo, P2P_ROLE_GO)) {
				/* it means remove GC/GO and change mode from GC/GO to station(P2P DEVICE) */
				rtw_p2p_set_role(pwdinfo, P2P_ROLE_DEVICE);
			}
		}
		break;

	#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE))
	case NL80211_IFTYPE_P2P_GO:
		is_p2p = true;
		__attribute__((__fallthrough__));
	#endif
	case NL80211_IFTYPE_AP:
		networkType = Ndis802_11APMode;

		if (change && pwdinfo->driver_interface == DRIVER_CFG80211) {
			if (is_p2p)
				rtw_p2p_enable(adapt, P2P_ROLE_GO);
			else if (!rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE)) {
				/* it means P2P Group created, we will be GO and change mode from  P2P DEVICE to AP(GO) */
				rtw_p2p_set_role(pwdinfo, P2P_ROLE_GO);
			}
		}

		break;

	case NL80211_IFTYPE_MONITOR:
		networkType = Ndis802_11Monitor;
		ndev->type = ARPHRD_IEEE80211_RADIOTAP; /* IEEE 802.11 + radiotap header : 803 */
		break;
	default:
		ret = -EOPNOTSUPP;
		goto exit;
	}

	rtw_wdev->iftype = type;

	if (!rtw_set_802_11_infrastructure_mode(adapt, networkType)) {
		rtw_wdev->iftype = old_type;
		ret = -EPERM;
		goto exit;
	}

	rtw_setopmode_cmd(adapt, networkType, RTW_CMDF_WAIT_ACK);

exit:

	RTW_INFO(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);
	unsigned long	irqL;

#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 8, 0)
	struct cfg80211_scan_info info;

	memset(&info, 0, sizeof(info));
	info.aborted = aborted;
#endif

	_enter_critical_bh(&pwdev_priv->scan_req_lock, &irqL);
	if (pwdev_priv->scan_request) {
		/* avoid WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req); */
		if (pwdev_priv->scan_request->wiphy != pwdev_priv->rtw_wdev->wiphy)
			RTW_INFO("error wiphy compare\n");
		else
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 8, 0)
			cfg80211_scan_done(pwdev_priv->scan_request, &info);
#else
			cfg80211_scan_done(pwdev_priv->scan_request, aborted);
#endif

		pwdev_priv->scan_request = NULL;
	}
	_exit_critical_bh(&pwdev_priv->scan_req_lock, &irqL);
}

u32 rtw_cfg80211_wait_scan_req_empty(struct adapter *adapter, u32 timeout_ms)
{
	struct rtw_wdev_priv *wdev_priv = adapter_wdev_data(adapter);
	u8 empty = false;
	unsigned long start;
	u32 pass_ms;

	start = rtw_get_current_time();

	while (rtw_get_passing_time_ms(start) <= timeout_ms) {

		if (RTW_CANNOT_RUN(adapter))
			break;

		if (!wdev_priv->scan_request) {
			empty = true;
			break;
		}

		rtw_msleep_os(10);
	}

	pass_ms = rtw_get_passing_time_ms(start);

	if (!empty && pass_ms > timeout_ms)
		RTW_PRINT(FUNC_ADPT_FMT" pass_ms:%u, timeout\n"
			, FUNC_ADPT_ARG(adapter), pass_ms);

	return pass_ms;
}

void rtw_cfg80211_unlink_bss(struct adapter *adapt, struct wlan_network *pnetwork)
{
	struct wireless_dev *pwdev = adapt->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,
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0)
		select_network.InfrastructureMode == Ndis802_11Infrastructure?IEEE80211_BSS_TYPE_ESS:IEEE80211_BSS_TYPE_IBSS,
		IEEE80211_PRIVACY(select_network.Privacy));
#else
		select_network.InfrastructureMode == Ndis802_11Infrastructure?WLAN_CAPABILITY_ESS:WLAN_CAPABILITY_IBSS,
		select_network.InfrastructureMode == Ndis802_11Infrastructure?WLAN_CAPABILITY_ESS:WLAN_CAPABILITY_IBSS);
#endif

	if (bss) {
		cfg80211_unlink_bss(wiphy, bss);
		RTW_INFO("%s(): cfg80211_unlink %s!!\n", __func__, select_network.Ssid.Ssid);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)
		cfg80211_put_bss(adapt->rtw_wdev->wiphy, bss);
#else
		cfg80211_put_bss(bss);
#endif
	}
	return;
}

/* if target wps scan ongoing, target_ssid is filled */
static int rtw_cfg80211_is_target_wps_scan(struct cfg80211_scan_request *scan_req, struct cfg80211_ssid *target_ssid)
{
	int ret = 0;

	if (scan_req->n_ssids != 1
		|| scan_req->ssids[0].ssid_len == 0
		|| scan_req->n_channels != 1
	)
		goto exit;

	/* under target WPS scan */
	memcpy(target_ssid, scan_req->ssids, sizeof(struct cfg80211_ssid));
	ret = 1;

exit:
	return ret;
}

static void _rtw_cfg80211_surveydone_event_callback(struct adapter *adapt, struct cfg80211_scan_request *scan_req)
{
	unsigned long	irqL;
	struct list_head					*plist, *phead;
	struct	mlme_priv	*pmlmepriv = &(adapt->mlmepriv);
	struct __queue				*queue	= &(pmlmepriv->scanned_queue);
	struct	wlan_network	*pnetwork = NULL;
	struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(adapt);
	struct cfg80211_ssid target_ssid;
	u8 target_wps_scan = 0;

	if (scan_req)
		target_wps_scan = rtw_cfg80211_is_target_wps_scan(scan_req, &target_ssid);
	else {
		_enter_critical_bh(&pwdev_priv->scan_req_lock, &irqL);
		if (pwdev_priv->scan_request)
			target_wps_scan = rtw_cfg80211_is_target_wps_scan(pwdev_priv->scan_request, &target_ssid);
		_exit_critical_bh(&pwdev_priv->scan_req_lock, &irqL);
	}

	_enter_critical_bh(&(pmlmepriv->scanned_queue.lock), &irqL);

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

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

		pnetwork = container_of(plist, struct wlan_network, list);

		/* report network only if the current channel set contains the channel to which this network belongs */
		if (rtw_chset_search_ch(adapter_to_chset(adapt), pnetwork->network.Configuration.DSConfig) >= 0
			&& rtw_mlme_band_check(adapt, pnetwork->network.Configuration.DSConfig)
			&& rtw_validate_ssid(&(pnetwork->network.Ssid))
		) {
			if (target_wps_scan)
				rtw_cfg80211_clear_wps_sr_of_non_target_bss(adapt, pnetwork, &target_ssid);
			rtw_cfg80211_inform_bss(adapt, pnetwork);
		}
		plist = get_next(plist);
	}

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

inline void rtw_cfg80211_surveydone_event_callback(struct adapter *adapt)
{
	_rtw_cfg80211_surveydone_event_callback(adapt, NULL);
}

static int rtw_cfg80211_set_probe_req_wpsp2pie(struct adapter *adapt, char *buf, int len)
{
	int ret = 0;
	uint wps_ielen = 0;
	u8 *wps_ie;
	u32	p2p_ielen = 0;
	u8 *p2p_ie;
	u32	wfd_ielen = 0;
	u8 *wfd_ie;
	struct mlme_priv *pmlmepriv = &(adapt->mlmepriv);

	if (len > 0) {
		wps_ie = rtw_get_wps_ie(buf, len, NULL, &wps_ielen);
		if (wps_ie) {
			if (pmlmepriv->wps_probe_req_ie) {
				u32 free_len = pmlmepriv->wps_probe_req_ie_len;
				pmlmepriv->wps_probe_req_ie_len = 0;
				rtw_mfree(pmlmepriv->wps_probe_req_ie, free_len);
				pmlmepriv->wps_probe_req_ie = NULL;
			}

			pmlmepriv->wps_probe_req_ie = rtw_malloc(wps_ielen);
			if (!pmlmepriv->wps_probe_req_ie) {
				RTW_INFO("%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;
		}

		/* buf += wps_ielen; */
		/* len -= wps_ielen; */

		p2p_ie = rtw_get_p2p_ie(buf, len, NULL, &p2p_ielen);
		if (p2p_ie) {
			struct wifidirect_info *wdinfo = &adapt->wdinfo;
			u32 attr_contentlen = 0;
			u8 listen_ch_attr[5];

			if (pmlmepriv->p2p_probe_req_ie) {
				u32 free_len = pmlmepriv->p2p_probe_req_ie_len;
				pmlmepriv->p2p_probe_req_ie_len = 0;
				rtw_mfree(pmlmepriv->p2p_probe_req_ie, free_len);
				pmlmepriv->p2p_probe_req_ie = NULL;
			}

			pmlmepriv->p2p_probe_req_ie = rtw_malloc(p2p_ielen);
			if (!pmlmepriv->p2p_probe_req_ie) {
				RTW_INFO("%s()-%d: rtw_malloc() ERROR!\n", __func__, __LINE__);
				return -EINVAL;

			}
			memcpy(pmlmepriv->p2p_probe_req_ie, p2p_ie, p2p_ielen);
			pmlmepriv->p2p_probe_req_ie_len = p2p_ielen;

			if (rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_LISTEN_CH, (u8 *)listen_ch_attr, (uint *) &attr_contentlen)
				&& attr_contentlen == 5) {
				if (wdinfo->listen_channel !=  listen_ch_attr[4]) {
					RTW_INFO(FUNC_ADPT_FMT" listen channel - country:%c%c%c, class:%u, ch:%u\n",
						FUNC_ADPT_ARG(adapt), listen_ch_attr[0], listen_ch_attr[1], listen_ch_attr[2],
						listen_ch_attr[3], listen_ch_attr[4]);
					wdinfo->listen_channel = listen_ch_attr[4];
				}
			}
		}

		wfd_ie = rtw_get_wfd_ie(buf, len, NULL, &wfd_ielen);
		if (wfd_ie) {
			if (rtw_mlme_update_wfd_ie_data(pmlmepriv, MLME_PROBE_REQ_IE, wfd_ie, wfd_ielen) != _SUCCESS)
				return -EINVAL;
		}
	}

	return ret;
}

#ifdef CONFIG_CONCURRENT_MODE
u8 rtw_cfg80211_scan_via_buddy(struct adapter *adapt, struct cfg80211_scan_request *request)
{
	int i;
	u8 ret = false;
	struct adapter *iface = NULL;
	unsigned long	irqL;
	struct dvobj_priv *dvobj = adapter_to_dvobj(adapt);
	struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(adapt);
	struct mlme_priv *pmlmepriv = &adapt->mlmepriv;

	for (i = 0; i < dvobj->iface_nums; i++) {
		struct mlme_priv *buddy_mlmepriv;
		struct rtw_wdev_priv *buddy_wdev_priv;

		iface = dvobj->adapters[i];
		if (!iface)
			continue;

		if (iface == adapt)
			continue;

		if (!rtw_is_adapter_up(iface))
			continue;

		buddy_mlmepriv = &iface->mlmepriv;
		if (!check_fwstate(buddy_mlmepriv, _FW_UNDER_SURVEY))
			continue;

		buddy_wdev_priv = adapter_wdev_data(iface);
		_enter_critical_bh(&pwdev_priv->scan_req_lock, &irqL);
		_enter_critical_bh(&buddy_wdev_priv->scan_req_lock, &irqL);
		if (buddy_wdev_priv->scan_request) {
			pmlmepriv->scanning_via_buddy_intf = true;
			_enter_critical_bh(&pmlmepriv->lock, &irqL);
			set_fwstate(pmlmepriv, _FW_UNDER_SURVEY);
			_exit_critical_bh(&pmlmepriv->lock, &irqL);
			pwdev_priv->scan_request = request;
			ret = true;
		}
		_exit_critical_bh(&buddy_wdev_priv->scan_req_lock, &irqL);
		_exit_critical_bh(&pwdev_priv->scan_req_lock, &irqL);

		if (ret)
			goto exit;
	}

exit:
	return ret;
}

void rtw_cfg80211_indicate_scan_done_for_buddy(struct adapter *adapt, bool bscan_aborted)
{
	int i;
	struct adapter *iface = NULL;
	unsigned long	irqL;
	struct dvobj_priv *dvobj = adapter_to_dvobj(adapt);
	struct mlme_priv *mlmepriv;
	struct rtw_wdev_priv *wdev_priv;
	bool indicate_buddy_scan;

	for (i = 0; i < dvobj->iface_nums; i++) {
		iface = dvobj->adapters[i];
		if ((iface) && rtw_is_adapter_up(iface)) {

			if (iface == adapt)
				continue;

			mlmepriv = &(iface->mlmepriv);
			wdev_priv = adapter_wdev_data(iface);

			indicate_buddy_scan = false;
			_enter_critical_bh(&wdev_priv->scan_req_lock, &irqL);
			if (wdev_priv->scan_request && mlmepriv->scanning_via_buddy_intf) {
				mlmepriv->scanning_via_buddy_intf = false;
				clr_fwstate(mlmepriv, _FW_UNDER_SURVEY);
				indicate_buddy_scan = true;
			}
			_exit_critical_bh(&wdev_priv->scan_req_lock, &irqL);

			if (indicate_buddy_scan) {
				rtw_cfg80211_surveydone_event_callback(iface);
				rtw_indicate_scan_done(iface, bscan_aborted);
			}

		}
	}
}
#endif /* CONFIG_CONCURRENT_MODE */

static int cfg80211_rtw_scan(struct wiphy *wiphy
	#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0))
	, struct net_device *ndev
	#endif
	, struct cfg80211_scan_request *request)
{
	int i;
	u8 _status = false;
	int ret = 0;
	struct sitesurvey_parm parm;
	unsigned long	irqL;
	u8 survey_times = 3;
	u8 survey_times_for_one_ch = 6;
	struct cfg80211_ssid *ssids = request->ssids;
	int social_channel = 0, j = 0;
	bool need_indicate_scan_done = false;
	bool ps_denied = false;

	struct adapter *adapt;
	struct wireless_dev *wdev;
	struct rtw_wdev_priv *pwdev_priv;
	struct mlme_priv *pmlmepriv;
	struct wifidirect_info *pwdinfo;

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
	wdev = request->wdev;
	if (wdev_to_ndev(wdev))
		adapt = (struct adapter *)rtw_netdev_priv(wdev_to_ndev(wdev));
	else {
		ret = -EINVAL;
		goto exit;
	}
#else
	if (!ndev) {
		ret = -EINVAL;
		goto exit;
	}
	adapt = (struct adapter *)rtw_netdev_priv(ndev);
	wdev = ndev_to_wdev(ndev);
#endif

	pwdev_priv = adapter_wdev_data(adapt);
	pmlmepriv = &adapt->mlmepriv;
	pwdinfo = &(adapt->wdinfo);

	RTW_INFO(FUNC_ADPT_FMT"%s\n", FUNC_ADPT_ARG(adapt)
		, wdev == wiphy_to_pd_wdev(wiphy) ? " PD" : "");

	if (adapter_wdev_data(adapt)->block_scan) {
		RTW_INFO(FUNC_ADPT_FMT" wdev_priv.block_scan is set\n", FUNC_ADPT_ARG(adapt));
		need_indicate_scan_done = true;
		goto check_need_indicate_scan_done;
	}

	rtw_ps_deny(adapt, PS_DENY_SCAN);
	ps_denied = true;
	if (_FAIL == rtw_pwr_wakeup(adapt)) {
		need_indicate_scan_done = true;
		goto check_need_indicate_scan_done;
	}

	if (pwdinfo->driver_interface == DRIVER_CFG80211) {
		if (ssids->ssid
			&& !memcmp(ssids->ssid, "DIRECT-", 7)
			&& rtw_get_p2p_ie((u8 *)request->ie, request->ie_len, NULL, NULL)
		) {
			if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE))
				rtw_p2p_enable(adapt, P2P_ROLE_DEVICE);
			else {
				rtw_p2p_set_pre_state(pwdinfo, rtw_p2p_state(pwdinfo));
			}
			rtw_p2p_set_state(pwdinfo, P2P_STATE_LISTEN);

			if (request->n_channels == 3 &&
				request->channels[0]->hw_value == 1 &&
				request->channels[1]->hw_value == 6 &&
				request->channels[2]->hw_value == 11
			)
				social_channel = 1;
		}
	}

	if (request->ie && request->ie_len > 0)
		rtw_cfg80211_set_probe_req_wpsp2pie(adapt, (u8 *)request->ie, request->ie_len);

	if (rtw_is_scan_deny(adapt)) {
		RTW_INFO(FUNC_ADPT_FMT	": scan deny\n", FUNC_ADPT_ARG(adapt));
		need_indicate_scan_done = true;
		goto check_need_indicate_scan_done;
	}

	/* check fw state*/
	if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
		if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS | _FW_UNDER_SURVEY | _FW_UNDER_LINKING)) {
			RTW_INFO("%s, fwstate=0x%x\n", __func__, pmlmepriv->fw_state);

			if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS))
				RTW_INFO("AP mode process WPS\n");

			need_indicate_scan_done = true;
			goto check_need_indicate_scan_done;
		}
	}

	if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
		RTW_INFO("%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)) {
		RTW_INFO("%s, fwstate=0x%x\n", __func__, pmlmepriv->fw_state);
		ret = -EBUSY;
		goto check_need_indicate_scan_done;
	}

#ifdef CONFIG_CONCURRENT_MODE
	if (rtw_mi_buddy_check_fwstate(adapt, _FW_UNDER_LINKING | WIFI_UNDER_WPS)) {
		RTW_INFO("%s exit due to buddy_intf's mlme state under linking or wps\n", __func__);
		need_indicate_scan_done = true;
		goto check_need_indicate_scan_done;

	} else if (rtw_mi_buddy_check_fwstate(adapt, _FW_UNDER_SURVEY)) {
		bool scan_via_buddy = rtw_cfg80211_scan_via_buddy(adapt, request);

		if (!scan_via_buddy)
			need_indicate_scan_done = true;

		goto check_need_indicate_scan_done;
	}
#endif /* CONFIG_CONCURRENT_MODE */

	/* busy traffic check*/
	if (rtw_mi_busy_traffic_check(adapt, true)) {
		need_indicate_scan_done = true;
		goto check_need_indicate_scan_done;
	}

	if (!rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE) && !rtw_p2p_chk_state(pwdinfo, P2P_STATE_IDLE)) {
		rtw_p2p_set_state(pwdinfo, P2P_STATE_FIND_PHASE_SEARCH);
		rtw_free_network_queue(adapt, true);

		if (social_channel == 0)
			rtw_p2p_findphase_ex_set(pwdinfo, P2P_FINDPHASE_EX_NONE);
		else
			rtw_p2p_findphase_ex_set(pwdinfo, P2P_FINDPHASE_EX_SOCIAL_LAST);
	}

	rtw_init_sitesurvey_parm(adapt, &parm);

	/* parsing request ssids, n_ssids */
	for (i = 0; i < request->n_ssids && i < RTW_SSID_SCAN_AMOUNT; i++) {
		memcpy(&parm.ssid[i].Ssid, ssids[i].ssid, ssids[i].ssid_len);
		parm.ssid[i].SsidLength = ssids[i].ssid_len;
	}
	parm.ssid_num = i;

	/* parsing channels, n_channels */
	for (i = 0; i < request->n_channels && i < RTW_CHANNEL_SCAN_AMOUNT; i++) {
		parm.ch[i].hw_value = request->channels[i]->hw_value;
		parm.ch[i].flags = request->channels[i]->flags;
	}
	parm.ch_num = i;

	if (request->n_channels == 1) {
		for (i = 1; i < survey_times_for_one_ch; i++)
			memcpy(&parm.ch[i], &parm.ch[0], sizeof(struct rtw_ieee80211_channel));
		parm.ch_num = 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(&parm.ch[j * survey_times + i], &parm.ch[j], sizeof(struct rtw_ieee80211_channel));
		parm.ch_num = survey_times * request->n_channels;
	}

	_enter_critical_bh(&pwdev_priv->scan_req_lock, &irqL);
	_enter_critical_bh(&pmlmepriv->lock, &irqL);
	_status = rtw_sitesurvey_cmd(adapt, &parm);
	if (_status == _SUCCESS)
		pwdev_priv->scan_request = request;
	else
		ret = -1;
	_exit_critical_bh(&pmlmepriv->lock, &irqL);
	_exit_critical_bh(&pwdev_priv->scan_req_lock, &irqL);

check_need_indicate_scan_done:
	if (need_indicate_scan_done) {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 8, 0)
		struct cfg80211_scan_info info;

		memset(&info, 0, sizeof(info));
		info.aborted = 0;
#endif

		_rtw_cfg80211_surveydone_event_callback(adapt, request);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 8, 0)
		cfg80211_scan_done(request, &info);
#else
		cfg80211_scan_done(request, 0);
#endif
	}
	if (ps_denied)
		rtw_ps_deny_cancel(adapt, PS_DENY_SCAN);

exit:
	return ret;
}

static int cfg80211_rtw_set_wiphy_params(struct wiphy *wiphy, u32 changed)
{
	RTW_INFO("%s\n", __func__);
	return 0;
}

static int rtw_cfg80211_set_wpa_version(struct security_priv *psecuritypriv, u32 wpa_version)
{
	RTW_INFO("%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)
{
	RTW_INFO("%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;

	RTW_INFO("%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:
		RTW_INFO("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)
{
	RTW_INFO("%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;
		psecuritypriv->rsn_akm_suite_type = 1;
	} else if (key_mgt == WLAN_AKM_SUITE_PSK) {
		psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
		psecuritypriv->rsn_akm_suite_type = 2;
	}
#ifdef CONFIG_RTW_80211R
	else if (key_mgt == WLAN_AKM_SUITE_FT_8021X) {
		psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
		psecuritypriv->rsn_akm_suite_type = 3;
	} else if (key_mgt == WLAN_AKM_SUITE_FT_PSK) {
		psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
		psecuritypriv->rsn_akm_suite_type = 4;
	}
#endif
	else {
		RTW_INFO("Invalid key mgt: 0x%x\n", key_mgt);
		/* return -EINVAL; */
	}

	return 0;
}

static int rtw_cfg80211_set_wpa_ie(struct adapter *adapt, u8 *pie, size_t ielen)
{
	u8 *buf = NULL, *pos = NULL;
	int group_cipher = 0, pairwise_cipher = 0;
	u8 mfp_opt = MFP_NO;
	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 || !ielen) {
		/* Treat this as normal case, but need to clear WIFI_UNDER_WPS */
		_clr_fwstate_(&adapt->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) {
		ret =  -ENOMEM;
		goto exit;
	}

	memcpy(buf, pie , ielen);

	RTW_INFO("set wpa_ie(length:%zu):\n", ielen);
	RTW_INFO_DUMP(NULL, buf, ielen);

	pos = buf;
	if (ielen < RSN_HEADER_LEN) {
		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) {
			adapt->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
			adapt->securitypriv.ndisauthtype = Ndis802_11AuthModeWPAPSK;
			memcpy(adapt->securitypriv.supplicant_ie, &pwpa[0], wpa_ielen + 2);

			RTW_INFO("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, &mfp_opt) == _SUCCESS) {
			adapt->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
			adapt->securitypriv.ndisauthtype = Ndis802_11AuthModeWPA2PSK;
			memcpy(adapt->securitypriv.supplicant_ie, &pwpa2[0], wpa2_ielen + 2);

			RTW_INFO("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:
		adapt->securitypriv.dot118021XGrpPrivacy = _NO_PRIVACY_;
		adapt->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
		break;
	case WPA_CIPHER_WEP40:
		adapt->securitypriv.dot118021XGrpPrivacy = _WEP40_;
		adapt->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
		break;
	case WPA_CIPHER_TKIP:
		adapt->securitypriv.dot118021XGrpPrivacy = _TKIP_;
		adapt->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
		break;
	case WPA_CIPHER_CCMP:
		adapt->securitypriv.dot118021XGrpPrivacy = _AES_;
		adapt->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
		break;
	case WPA_CIPHER_WEP104:
		adapt->securitypriv.dot118021XGrpPrivacy = _WEP104_;
		adapt->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
		break;
	}

	switch (pairwise_cipher) {
	case WPA_CIPHER_NONE:
		adapt->securitypriv.dot11PrivacyAlgrthm = _NO_PRIVACY_;
		adapt->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
		break;
	case WPA_CIPHER_WEP40:
		adapt->securitypriv.dot11PrivacyAlgrthm = _WEP40_;
		adapt->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
		break;
	case WPA_CIPHER_TKIP:
		adapt->securitypriv.dot11PrivacyAlgrthm = _TKIP_;
		adapt->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
		break;
	case WPA_CIPHER_CCMP:
		adapt->securitypriv.dot11PrivacyAlgrthm = _AES_;
		adapt->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
		break;
	case WPA_CIPHER_WEP104:
		adapt->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
		adapt->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
		break;
	}

	if (mfp_opt == MFP_INVALID) {
		RTW_INFO(FUNC_ADPT_FMT" invalid MFP setting\n", FUNC_ADPT_ARG(adapt));
		ret = -EINVAL;
		goto exit;
	}
	adapt->securitypriv.mfp_opt = mfp_opt;

	{/* 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) {
			RTW_INFO("got wps_ie, wps_ielen:%u\n", wps_ielen);
			adapt->securitypriv.wps_ie_len = wps_ielen < MAX_WPS_IE_LEN ? wps_ielen : MAX_WPS_IE_LEN;
			memcpy(adapt->securitypriv.wps_ie, wps_ie, adapt->securitypriv.wps_ie_len);
			set_fwstate(&adapt->mlmepriv, WIFI_UNDER_WPS);
		} else
			_clr_fwstate_(&adapt->mlmepriv, WIFI_UNDER_WPS);
	}

	{/* check p2p_ie for assoc req; */
		uint p2p_ielen = 0;
		u8 *p2p_ie;
		struct mlme_priv *pmlmepriv = &(adapt->mlmepriv);

		p2p_ie = rtw_get_p2p_ie(buf, ielen, NULL, &p2p_ielen);
		if (p2p_ie) {
			if (pmlmepriv->p2p_assoc_req_ie) {
				u32 free_len = pmlmepriv->p2p_assoc_req_ie_len;
				pmlmepriv->p2p_assoc_req_ie_len = 0;
				rtw_mfree(pmlmepriv->p2p_assoc_req_ie, free_len);
				pmlmepriv->p2p_assoc_req_ie = NULL;
			}

			pmlmepriv->p2p_assoc_req_ie = rtw_malloc(p2p_ielen);
			if (!pmlmepriv->p2p_assoc_req_ie) {
				RTW_INFO("%s()-%d: rtw_malloc() ERROR!\n", __func__, __LINE__);
				goto exit;
			}
			memcpy(pmlmepriv->p2p_assoc_req_ie, p2p_ie, p2p_ielen);
			pmlmepriv->p2p_assoc_req_ie_len = p2p_ielen;
		}
	}
	{
		uint wfd_ielen = 0;
		u8 *wfd_ie;
		struct mlme_priv *pmlmepriv = &(adapt->mlmepriv);

		wfd_ie = rtw_get_wfd_ie(buf, ielen, NULL, &wfd_ielen);
		if (wfd_ie) {
			if (rtw_mlme_update_wfd_ie_data(pmlmepriv, MLME_ASSOC_REQ_IE, wfd_ie, wfd_ielen) != _SUCCESS)
				goto exit;
		}
	}

	/* TKIP and AES disallow multicast packets until installing group key */
	if (adapt->securitypriv.dot11PrivacyAlgrthm == _TKIP_
		|| adapt->securitypriv.dot11PrivacyAlgrthm == _TKIP_WTMIC_
		|| adapt->securitypriv.dot11PrivacyAlgrthm == _AES_)
		/* WPS open need to enable multicast */
		/* || check_fwstate(&adapt->mlmepriv, WIFI_UNDER_WPS)) */
		rtw_hal_set_hwreg(adapt, HW_VAR_OFF_RCR_AM, null_addr);


exit:
	if (buf)
		rtw_mfree(buf, ielen);
	if (ret)
		_clr_fwstate_(&adapt->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 *adapt = (struct adapter *)rtw_netdev_priv(ndev);
	struct ndis_802_11_ssid ndis_ssid;
	struct security_priv *psecuritypriv = &adapt->securitypriv;
	struct mlme_ext_priv *pmlmeext = &adapt->mlmeextpriv;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0))
	struct cfg80211_chan_def *pch_def;
#endif
	struct ieee80211_channel *pch;
	int ret = 0;

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0))
	pch_def = (struct cfg80211_chan_def *)(&params->chandef);
	pch = (struct ieee80211_channel *) pch_def->chan;
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 31))
	pch = (struct ieee80211_channel *)(params->channel);
#endif

	if (!params->ssid || !params->ssid_len) {
		ret = -EINVAL;
		goto exit;
	}

	if (params->ssid_len > IW_ESSID_MAX_SIZE) {
		ret = -E2BIG;
		goto exit;
	}

	rtw_ps_deny(adapt, PS_DENY_JOIN);
	if (_FAIL == rtw_pwr_wakeup(adapt)) {
		ret = -EPERM;
		goto cancel_ps_deny;
	}

#ifdef CONFIG_CONCURRENT_MODE
	if (rtw_mi_buddy_check_fwstate(adapt, _FW_UNDER_LINKING)) {
		RTW_INFO("%s, but buddy_intf is under linking\n", __func__);
		ret = -EINVAL;
		goto cancel_ps_deny;
	}
	rtw_mi_buddy_scan_abort(adapt, true); /* OR rtw_mi_scan_abort(adapt, true);*/
#endif /*CONFIG_CONCURRENT_MODE*/


	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);

	/* RTW_INFO("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(adapt, psecuritypriv->ndisauthtype);

	RTW_INFO("%s: center_freq = %d\n", __func__, pch->center_freq);
	pmlmeext->cur_channel = rtw_freq2ch(pch->center_freq);

	if (!rtw_set_802_11_ssid(adapt, &ndis_ssid)) {
		ret = -1;
	}

cancel_ps_deny:
	rtw_ps_deny_cancel(adapt, PS_DENY_JOIN);
exit:
	return ret;
}

static int cfg80211_rtw_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
{
	struct adapter *adapt = (struct adapter *)rtw_netdev_priv(ndev);
	struct wireless_dev *rtw_wdev = adapt->rtw_wdev;
	enum nl80211_iftype old_type;
	int ret = 0;

	RTW_INFO(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));

	rtw_wdev_set_not_indic_disco(pwdev_priv, 1);

	old_type = rtw_wdev->iftype;

	rtw_set_to_roam(adapt, 0);

	if (check_fwstate(&adapt->mlmepriv, _FW_LINKED)) {
		rtw_scan_abort(adapt);
		LeaveAllPowerSaveMode(adapt);

		rtw_wdev->iftype = NL80211_IFTYPE_STATION;

		if (!rtw_set_802_11_infrastructure_mode(adapt, Ndis802_11Infrastructure)) {
			rtw_wdev->iftype = old_type;
			ret = -EPERM;
			goto leave_ibss;
		}
		rtw_setopmode_cmd(adapt, Ndis802_11Infrastructure, RTW_CMDF_WAIT_ACK);
	}

leave_ibss:
	rtw_wdev_set_not_indic_disco(pwdev_priv, 0);

	return 0;
}

bool rtw_cfg80211_is_connect_requested(struct adapter *adapter)
{
	struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(adapter);
	unsigned long irqL;
	bool requested;

	_enter_critical_bh(&pwdev_priv->connect_req_lock, &irqL);
	requested = pwdev_priv->connect_req ? 1 : 0;
	_exit_critical_bh(&pwdev_priv->connect_req_lock, &irqL);

	return requested;
}

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 *adapt = (struct adapter *)rtw_netdev_priv(ndev);
	struct security_priv *psecuritypriv = &adapt->securitypriv;
	struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(adapt);
	unsigned long irqL;

	rtw_wdev_set_not_indic_disco(pwdev_priv, 1);

	RTW_INFO("=>"FUNC_NDEV_FMT" - Start to Connection\n", FUNC_NDEV_ARG(ndev));
	RTW_INFO("privacy=%d, key=%p, key_len=%d, key_idx=%d, auth_type=%d\n",
		sme->privacy, sme->key, sme->key_len, sme->key_idx, sme->auth_type);


	if (pwdev_priv->block) {
		ret = -EBUSY;
		RTW_INFO("%s wdev_priv.block is set\n", __func__);
		goto exit;
	}
	if (!sme->ssid || !sme->ssid_len) {
		ret = -EINVAL;
		goto exit;
	}

	if (sme->ssid_len > IW_ESSID_MAX_SIZE) {
		ret = -E2BIG;
		goto exit;
	}

	rtw_ps_deny(adapt, PS_DENY_JOIN);
	if (_FAIL == rtw_pwr_wakeup(adapt)) {
		ret = -EPERM;
		goto cancel_ps_deny;
	}

	rtw_mi_scan_abort(adapt, true);

	rtw_join_abort_timeout(adapt, 300);
#ifdef CONFIG_CONCURRENT_MODE
	if (rtw_mi_buddy_check_fwstate(adapt, _FW_UNDER_LINKING)) {
		ret = -EINVAL;
		goto cancel_ps_deny;
	}
#endif

	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);

	RTW_INFO("ssid=%s, len=%zu\n", ndis_ssid.Ssid, sme->ssid_len);


	if (sme->bssid)
		RTW_INFO("bssid="MAC_FMT"\n", MAC_ARG(sme->bssid));


	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 cancel_ps_deny;

	ret = rtw_cfg80211_set_auth_type(psecuritypriv, sme->auth_type);

	if (ret < 0)
		goto cancel_ps_deny;

	RTW_INFO("%s, ie_len=%zu\n", __func__, sme->ie_len);

	ret = rtw_cfg80211_set_wpa_ie(adapt, (u8 *)sme->ie, sme->ie_len);
	if (ret < 0)
		goto cancel_ps_deny;

	if (sme->crypto.n_ciphers_pairwise) {
		ret = rtw_cfg80211_set_cipher(psecuritypriv, sme->crypto.ciphers_pairwise[0], true);
		if (ret < 0)
			goto cancel_ps_deny;
	}

	/* For WEP Shared auth */
	if (sme->key_len > 0 && sme->key) {
		u32 wep_key_idx, wep_key_len, wep_total_len;
		struct ndis_802_11_wep	*pwep = NULL;
		RTW_INFO("%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 cancel_ps_deny;
		}

		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 = (struct ndis_802_11_wep *) rtw_malloc(wep_total_len);
			if (!pwep) {
				RTW_INFO(" wpa_set_encryption: pwep allocate fail !!!\n");
				ret = -ENOMEM;
				goto cancel_ps_deny;
			}

			memset(pwep, 0, wep_total_len);

			pwep->KeyLength = wep_key_len;
			pwep->Length = wep_total_len;

			if (wep_key_len == 13) {
				adapt->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
				adapt->securitypriv.dot118021XGrpPrivacy = _WEP104_;
			}
		} else {
			ret = -EINVAL;
			goto cancel_ps_deny;
		}

		pwep->KeyIndex = wep_key_idx;
		pwep->KeyIndex |= 0x80000000;

		memcpy(pwep->KeyMaterial, (void *)sme->key, pwep->KeyLength);

		if (rtw_set_802_11_add_wep(adapt, pwep) == (u8)_FAIL)
			ret = -EOPNOTSUPP ;

		if (pwep)
			rtw_mfree((u8 *)pwep, wep_total_len);

		if (ret < 0)
			goto cancel_ps_deny;
	}

	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 cancel_ps_deny;
	}
#ifdef CONFIG_8011R
	else {
		/*It could be a connection without RSN IEs*/
		psecuritypriv->rsn_akm_suite_type = 0;
	}
#endif

	authmode = psecuritypriv->ndisauthtype;
	rtw_set_802_11_authentication_mode(adapt, authmode);

	/* rtw_set_802_11_encryption_mode(adapt, adapt->securitypriv.ndisencryptstatus); */

	if (!rtw_set_802_11_connect(adapt, (u8 *)sme->bssid, &ndis_ssid)) {
		ret = -1;
		goto cancel_ps_deny;
	}


	_enter_critical_bh(&pwdev_priv->connect_req_lock, &irqL);

	if (pwdev_priv->connect_req) {
		rtw_wdev_free_connect_req(pwdev_priv);
		RTW_INFO(FUNC_NDEV_FMT" free existing connect_req\n", FUNC_NDEV_ARG(ndev));
	}

	pwdev_priv->connect_req = (struct cfg80211_connect_params *)rtw_malloc(sizeof(*pwdev_priv->connect_req));
	if (pwdev_priv->connect_req)
		memcpy(pwdev_priv->connect_req, sme, sizeof(*pwdev_priv->connect_req));
	else
		RTW_WARN(FUNC_NDEV_FMT" alloc connect_req fail\n", FUNC_NDEV_ARG(ndev));

	_exit_critical_bh(&pwdev_priv->connect_req_lock, &irqL);

	RTW_INFO("set ssid:dot11AuthAlgrthm=%d, dot11PrivacyAlgrthm=%d, dot118021XGrpPrivacy=%d\n", psecuritypriv->dot11AuthAlgrthm, psecuritypriv->dot11PrivacyAlgrthm,
		psecuritypriv->dot118021XGrpPrivacy);

cancel_ps_deny:
	rtw_ps_deny_cancel(adapt, PS_DENY_JOIN);

exit:
	RTW_INFO("<=%s, ret %d\n", __func__, ret);

	rtw_wdev_set_not_indic_disco(pwdev_priv, 0);

	return ret;
}

static int cfg80211_rtw_disconnect(struct wiphy *wiphy, struct net_device *ndev,
				   u16 reason_code)
{
	struct adapter *adapt = (struct adapter *)rtw_netdev_priv(ndev);

	RTW_INFO(FUNC_NDEV_FMT" - Start to Disconnect\n", FUNC_NDEV_ARG(ndev));

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
	if (!wiphy->dev.power.is_prepared)
#endif
		rtw_wdev_set_not_indic_disco(pwdev_priv, 1);

	rtw_set_to_roam(adapt, 0);

	/* if(check_fwstate(&adapt->mlmepriv, _FW_LINKED)) */
	{
		rtw_scan_abort(adapt);
		rtw_join_abort_timeout(adapt, 300);
		LeaveAllPowerSaveMode(adapt);
		rtw_disassoc_cmd(adapt, 500, RTW_CMDF_WAIT_ACK);
		RTW_INFO("%s...call rtw_indicate_disconnect\n", __func__);

		rtw_free_assoc_resources(adapt, 1);
		rtw_indicate_disconnect(adapt, 0, wiphy->dev.power.is_prepared ? false : true);

		rtw_pwr_wakeup(adapt);
	}

	rtw_wdev_set_not_indic_disco(pwdev_priv, 0);

	RTW_INFO(FUNC_NDEV_FMT" return 0\n", FUNC_NDEV_ARG(ndev));
	return 0;
}

static int cfg80211_rtw_set_txpower(struct wiphy *wiphy,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0))
	struct wireless_dev *wdev,
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36)) || defined(COMPAT_KERNEL_RELEASE)
	enum nl80211_tx_power_setting type, int mbm)
#else
	enum tx_power_setting type, int dbm)
#endif
{
	RTW_INFO("%s\n", __func__);
	return 0;
}

static int cfg80211_rtw_get_txpower(struct wiphy *wiphy,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0))
	struct wireless_dev *wdev,
#endif
	int *dbm)
{
	RTW_INFO("%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 *adapt = (struct adapter *)rtw_netdev_priv(ndev);
	struct rtw_wdev_priv *rtw_wdev_priv = adapter_wdev_data(adapt);

	RTW_INFO(FUNC_NDEV_FMT" enabled:%u, timeout:%d\n", FUNC_NDEV_ARG(ndev),
		enabled, timeout);

	rtw_wdev_priv->power_mgmt = enabled;

	if (!enabled)
		rtw_lps_ctrl_wk_cmd(adapt, LPS_CTRL_LEAVE_CFG80211_PWRMGMT, 1);

	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 *adapt = (struct adapter *)rtw_netdev_priv(ndev);
	struct mlme_priv *mlme = &adapt->mlmepriv;
	struct security_priv	*psecuritypriv = &adapt->securitypriv;
	u8	strZeroMacAddress[ETH_ALEN] = { 0x00 };

	RTW_INFO(FUNC_NDEV_FMT" "MAC_FMT" "KEY_FMT"\n", FUNC_NDEV_ARG(ndev)
		, MAC_ARG(pmksa->bssid), KEY_ARG(pmksa->pmkid));

	if (!memcmp((u8 *)pmksa->bssid, strZeroMacAddress, ETH_ALEN))
		return -EINVAL;

	if (!check_fwstate(mlme, _FW_LINKED)) {
		RTW_INFO(FUNC_NDEV_FMT" not set pmksa cause not in linked state\n", FUNC_NDEV_ARG(ndev));
		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. */
			RTW_INFO(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 */
		RTW_INFO(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 *adapt = (struct adapter *)rtw_netdev_priv(ndev);
	struct security_priv	*psecuritypriv = &adapt->securitypriv;

	RTW_INFO(FUNC_NDEV_FMT" "MAC_FMT" "KEY_FMT"\n", FUNC_NDEV_ARG(ndev)
		, MAC_ARG(pmksa->bssid), KEY_ARG(pmksa->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 => Remove this PMKID information and reset it. */
			memset(psecuritypriv->PMKIDList[index].Bssid, 0x00, ETH_ALEN);
			memset(psecuritypriv->PMKIDList[index].PMKID, 0x00, WLAN_PMKID_LEN);
			psecuritypriv->PMKIDList[index].bUsed = false;
			bMatched = true;
			RTW_INFO(FUNC_NDEV_FMT" clear id:%hhu\n", FUNC_NDEV_ARG(ndev), index);
			break;
		}
	}

	if (false == bMatched) {
		RTW_INFO(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 *adapt = (struct adapter *)rtw_netdev_priv(ndev);
	struct security_priv	*psecuritypriv = &adapt->securitypriv;

	RTW_INFO(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));

	memset(&psecuritypriv->PMKIDList[0], 0x00, sizeof(struct rt_pkmid_list) * NUM_PMKID_CACHE);
	psecuritypriv->PMKIDIndex = 0;

	return 0;
}

void rtw_cfg80211_indicate_sta_assoc(struct adapter *adapt, u8 *pmgmt_frame, uint frame_len)
{
	struct net_device *ndev = adapt->pnetdev;

	RTW_INFO(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapt));

	{
		struct station_info sinfo;
		u8 ie_offset;
		if (get_frame_sub_type(pmgmt_frame) == WIFI_ASSOCREQ)
			ie_offset = _ASOCREQ_IE_OFFSET_;
		else /* WIFI_REASSOCREQ */
			ie_offset = _REASOCREQ_IE_OFFSET_;

		memset(&sinfo, 0, sizeof(sinfo));
		sinfo.filled = STATION_INFO_ASSOC_REQ_IES;
		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, get_addr2_ptr(pmgmt_frame), &sinfo, GFP_ATOMIC);
	}
}

void rtw_cfg80211_indicate_sta_disassoc(struct adapter *adapt, unsigned char *da, unsigned short reason)
{
	struct net_device *ndev = adapt->pnetdev;

	RTW_INFO(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapt));

	cfg80211_del_sta(ndev, da, GFP_ATOMIC);
}

static int rtw_cfg80211_monitor_if_open(struct net_device *ndev)
{
	int ret = 0;

	RTW_INFO("%s\n", __func__);

	return ret;
}

static int rtw_cfg80211_monitor_if_close(struct net_device *ndev)
{
	int ret = 0;

	RTW_INFO("%s\n", __func__);

	return ret;
}

static int rtw_cfg80211_monitor_if_xmit_entry(struct sk_buff *skb, struct net_device *ndev)
{
	int ret = 0;
	int rtap_len;
	int qos_len = 0;
	int dot11_hdr_len = 24;
	int snap_len = 6;
	unsigned char *pdata;
	u16 frame_ctl;
	unsigned char src_mac_addr[6];
	unsigned char dst_mac_addr[6];
	struct rtw_ieee80211_hdr *dot11_hdr;
	struct ieee80211_radiotap_header *rtap_hdr;
	struct adapter *adapt = (struct adapter *)rtw_netdev_priv(ndev);

	RTW_INFO(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));

	if (skb)
		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) {
		RTW_INFO("radiotap len (should be 14): %d\n", rtap_len);
		goto fail;
	}

	/* Skip the ratio tap header */
	skb_pull(skb, rtap_len);

	dot11_hdr = (struct rtw_ieee80211_hdr *)skb->data;
	frame_ctl = le16_to_cpu(dot11_hdr->frame_ctl);
	/* Check if the QoS bit is set */
	if ((frame_ctl & RTW_IEEE80211_FCTL_FTYPE) == RTW_IEEE80211_FTYPE_DATA) {
		/* Check if this ia a Wireless Distribution System (WDS) frame
		 * which has 4 MAC addresses
		 */
		if (le16_to_cpu(dot11_hdr->frame_ctl) & 0x0080)
			qos_len = 2;
		if ((le16_to_cpu(dot11_hdr->frame_ctl) & 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));

		RTW_INFO("should be eapol packet\n");

		/* Use the real net device to transmit the packet */
		ret = _rtw_xmit_entry(skb, adapt->pnetdev);

		return ret;

	} else if ((frame_ctl & (RTW_IEEE80211_FCTL_FTYPE | RTW_IEEE80211_FCTL_STYPE))
		== (RTW_IEEE80211_FTYPE_MGMT | RTW_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 rtw_ieee80211_hdr *pwlanhdr;
		struct xmit_priv	*pxmitpriv = &(adapt->xmitpriv);
		struct mlme_ext_priv	*pmlmeext = &(adapt->mlmeextpriv);
		u8 *buf = skb->data;
		u32 len = skb->len;
		u8 category, action;
		int type = -1;

		if (!rtw_action_frame_parse(buf, len, &category, &action)) {
			RTW_INFO(FUNC_NDEV_FMT" frame_control:0x%x\n", FUNC_NDEV_ARG(ndev),
				le16_to_cpu(((struct rtw_ieee80211_hdr_3addr *)buf)->frame_ctl));
			goto fail;
		}

		RTW_INFO("RTW_Tx:da="MAC_FMT" via "FUNC_NDEV_FMT"\n",
			MAC_ARG(GetAddr1Ptr(buf)), FUNC_NDEV_ARG(ndev));
		type = rtw_p2p_check_frames(adapt, buf, len, true);
		if (type >= 0)
			goto dump;
		if (category == RTW_WLAN_CATEGORY_PUBLIC)
			RTW_INFO("RTW_Tx:%s\n", action_public_str(action));
		else
			RTW_INFO("RTW_Tx:category(%u), action(%u)\n", category, action);

dump:
		/* starting alloc mgmt frame to dump it */
		pmgntframe = alloc_mgtxmitframe(pxmitpriv);
		if (!pmgntframe)
			goto fail;

		/* update attribute */
		pattrib = &pmgntframe->attrib;
		update_mgntframe_attrib(adapt, 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;

		if (type >= 0)
			rtw_xframe_chk_wfd_ie(pmgntframe);

		pwlanhdr = (struct rtw_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(adapt, pmgntframe);

	} else
		RTW_INFO("frame_ctl=0x%x\n", frame_ctl & (RTW_IEEE80211_FCTL_FTYPE | RTW_IEEE80211_FCTL_STYPE));


fail:

	dev_kfree_skb_any(skb);

	return 0;

}

static int rtw_cfg80211_monitor_if_set_mac_address(struct net_device *ndev, void *addr)
{
	int ret = 0;

	RTW_INFO("%s\n", __func__);

	return ret;
}

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29))
static const struct net_device_ops rtw_cfg80211_monitor_if_ops = {
	.ndo_open = rtw_cfg80211_monitor_if_open,
	.ndo_stop = rtw_cfg80211_monitor_if_close,
	.ndo_start_xmit = rtw_cfg80211_monitor_if_xmit_entry,
	#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0))
	.ndo_set_multicast_list = rtw_cfg80211_monitor_if_set_multicast_list,
	#endif
	.ndo_set_mac_address = rtw_cfg80211_monitor_if_set_mac_address,
};
#endif

static int rtw_cfg80211_add_monitor_if(struct adapter *adapt, 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(adapt);

	if (!name) {
		RTW_INFO(FUNC_ADPT_FMT" without specific name\n", FUNC_ADPT_ARG(adapt));
		ret = -EINVAL;
		goto out;
	}

	if (pwdev_priv->pmon_ndev) {
		RTW_INFO(FUNC_ADPT_FMT" monitor interface exist: "NDEV_FMT"\n",
			FUNC_ADPT_ARG(adapt), NDEV_ARG(pwdev_priv->pmon_ndev));
		ret = -EBUSY;
		goto out;
	}

	mon_ndev = alloc_etherdev(sizeof(struct rtw_netdev_priv_indicator));
	if (!mon_ndev) {
		RTW_INFO(FUNC_ADPT_FMT" allocate ndev fail\n", FUNC_ADPT_ARG(adapt));
		ret = -ENOMEM;
		goto out;
	}

	mon_ndev->type = ARPHRD_IEEE80211_RADIOTAP;
	strncpy(mon_ndev->name, name, IFNAMSIZ);
	mon_ndev->name[IFNAMSIZ - 1] = 0;
#if (LINUX_VERSION_CODE > KERNEL_VERSION(4, 11, 8))
	mon_ndev->priv_destructor = rtw_ndev_destructor;
#else
	mon_ndev->destructor = rtw_ndev_destructor;
#endif

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29))
	mon_ndev->netdev_ops = &rtw_cfg80211_monitor_if_ops;
#else
	mon_ndev->open = rtw_cfg80211_monitor_if_open;
	mon_ndev->stop = rtw_cfg80211_monitor_if_close;
	mon_ndev->hard_start_xmit = rtw_cfg80211_monitor_if_xmit_entry;
	mon_ndev->set_mac_address = rtw_cfg80211_monitor_if_set_mac_address;
#endif

	pnpi = netdev_priv(mon_ndev);
	pnpi->priv = adapt;
	pnpi->sizeof_priv = sizeof(struct adapter);

	/*  wdev */
	mon_wdev = (struct wireless_dev *)rtw_zmalloc(sizeof(struct wireless_dev));
	if (!mon_wdev) {
		RTW_INFO(FUNC_ADPT_FMT" allocate mon_wdev fail\n", FUNC_ADPT_ARG(adapt));
		ret = -ENOMEM;
		goto out;
	}

	mon_wdev->wiphy = adapt->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) {
		rtw_mfree((u8 *)mon_wdev, sizeof(struct wireless_dev));
		mon_wdev = NULL;
	}

	if (ret && mon_ndev) {
		free_netdev(mon_ndev);
		*ndev = mon_ndev = NULL;
	}

	return ret;
}

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
static struct wireless_dev *
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 38)) || defined(COMPAT_KERNEL_RELEASE)
static struct net_device *
#else
static int
#endif
	cfg80211_rtw_add_virtual_intf(
		struct wiphy *wiphy,
		#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0))
		const char *name,
		#else
		char *name,
		#endif
		#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0))
		unsigned char name_assign_type,
		#endif
		enum nl80211_iftype type,
		#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0))
		u32 *flags,
		#endif
		struct vif_params *params)
{
	int ret = 0;
	struct wireless_dev *wdev = NULL;
	struct net_device *ndev = NULL;
	struct adapter *adapt;
	struct dvobj_priv *dvobj = wiphy_to_dvobj(wiphy);

	rtw_set_rtnl_lock_holder(dvobj, current);

	RTW_INFO(FUNC_WIPHY_FMT" name:%s, type:%d\n", FUNC_WIPHY_ARG(wiphy), name, type);

	switch (type) {
	case NL80211_IFTYPE_MONITOR:
		adapt = wiphy_to_adapter(wiphy); /* TODO: get ap iface ? */
		ret = rtw_cfg80211_add_monitor_if(adapt, (char *)name, &ndev);
		if (ret == 0)
			wdev = ndev->ieee80211_ptr;
		break;

#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE))
	case NL80211_IFTYPE_P2P_CLIENT:
	case NL80211_IFTYPE_P2P_GO:
#endif
	case NL80211_IFTYPE_STATION:
	case NL80211_IFTYPE_AP:
		adapt = dvobj_get_unregisterd_adapter(dvobj);
		if (!adapt) {
			RTW_WARN("adapter pool empty!\n");
			ret = -ENODEV;
			break;
		}
		if (rtw_os_ndev_init(adapt, name) != _SUCCESS) {
			RTW_WARN("ndev init fail!\n");
			ret = -ENODEV;
			break;
		}
		#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE))
		if (type == NL80211_IFTYPE_P2P_CLIENT || type == NL80211_IFTYPE_P2P_GO)
			rtw_p2p_enable(adapt, P2P_ROLE_DEVICE);
		#endif
		ndev = adapt->pnetdev;
		wdev = ndev->ieee80211_ptr;
		break;
	case NL80211_IFTYPE_ADHOC:
	case NL80211_IFTYPE_AP_VLAN:
	case NL80211_IFTYPE_WDS:
	case NL80211_IFTYPE_MESH_POINT:
	default:
		ret = -ENODEV;
		RTW_INFO("Unsupported interface type\n");
		break;
	}

	if (ndev)
		RTW_INFO(FUNC_WIPHY_FMT" ndev:%p, ret:%d\n", FUNC_WIPHY_ARG(wiphy), ndev, ret);
	else
		RTW_INFO(FUNC_WIPHY_FMT" wdev:%p, ret:%d\n", FUNC_WIPHY_ARG(wiphy), wdev, ret);

	rtw_set_rtnl_lock_holder(dvobj, NULL);

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
	return wdev ? wdev : ERR_PTR(ret);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 38)) || defined(COMPAT_KERNEL_RELEASE)
	return ndev ? ndev : ERR_PTR(ret);
#else
	return ret;
#endif
}

static int cfg80211_rtw_del_virtual_intf(struct wiphy *wiphy,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
	struct wireless_dev *wdev
#else
	struct net_device *ndev
#endif
)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
	struct net_device *ndev = wdev_to_ndev(wdev);
#endif
	int ret = 0;
	struct dvobj_priv *dvobj = wiphy_to_dvobj(wiphy);
	struct adapter *adapter;
	struct rtw_wdev_priv *pwdev_priv;

	rtw_set_rtnl_lock_holder(dvobj, current);

	if (ndev) {
		adapter = (struct adapter *)rtw_netdev_priv(ndev);
		pwdev_priv = adapter_wdev_data(adapter);

		if (ndev == pwdev_priv->pmon_ndev) {
			unregister_netdevice(ndev);
			pwdev_priv->pmon_ndev = NULL;
			pwdev_priv->ifname_mon[0] = '\0';
			RTW_INFO(FUNC_NDEV_FMT" remove monitor ndev\n", FUNC_NDEV_ARG(ndev));
		} else {
			RTW_INFO(FUNC_NDEV_FMT" unregister ndev\n", FUNC_NDEV_ARG(ndev));
			rtw_os_ndev_unregister(adapter);
		}
	} else {
		ret = -EINVAL;
		goto exit;
	}

exit:
	rtw_set_rtnl_lock_holder(dvobj, NULL);
	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;
	uint p2p_ielen = 0;
	u8 got_p2p_ie = false;
	struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
	/* struct sta_priv *pstapriv = &adapt->stapriv; */


	RTW_INFO("%s beacon_head_len=%zu, beacon_tail_len=%zu\n", __func__, head_len, tail_len);


	if (!check_fwstate(pmlmepriv, WIFI_AP_STATE))
		return -EINVAL;

	if (head_len < 24)
		return -EINVAL;


	pbuf = rtw_zmalloc(head_len + tail_len);
	if (!pbuf)
		return -ENOMEM;


	/* memcpy(&pstapriv->max_num_sta, param->u.bcn_ie.reserved, 2); */

	/* if((pstapriv->max_num_sta>NUM_STA) || (pstapriv->max_num_sta<=0)) */
	/*	pstapriv->max_num_sta = NUM_STA; */


	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))
		RTW_INFO("add bcn, wps_ielen=%d\n", wps_ielen);

	if (adapter->wdinfo.driver_interface == DRIVER_CFG80211) {
		/* check p2p if enable */
		if (rtw_get_p2p_ie(pbuf + _FIXED_IE_LENGTH_, len - _FIXED_IE_LENGTH_, NULL, &p2p_ielen)) {
			struct wifidirect_info *pwdinfo = &(adapter->wdinfo);

			RTW_INFO("got p2p_ie, len=%d\n", p2p_ielen);

			got_p2p_ie = true;

			if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE)) {
				RTW_INFO("Enable P2P function for the first time\n");
				rtw_p2p_enable(adapter, P2P_ROLE_GO);

				adapter->stapriv.expire_to = 3; /* 3x2 = 6 sec in p2p mode */
			} else {
				RTW_INFO("enter GO Mode, p2p_ielen=%d\n", p2p_ielen);

				rtw_p2p_set_role(pwdinfo, P2P_ROLE_GO);
				rtw_p2p_set_state(pwdinfo, P2P_STATE_GONEGO_OK);
				pwdinfo->intent = 15;
			}
		}
	}

	/* 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) {
		/* check p2p if enable */
		if (got_p2p_ie) {
			struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
			struct wifidirect_info *pwdinfo = &(adapter->wdinfo);
			pwdinfo->operating_channel = pmlmeext->cur_channel;
		}
		ret = 0;
	} else
		ret = -EINVAL;


	rtw_mfree(pbuf, head_len + tail_len);

	return ret;
}

#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0)) && !defined(COMPAT_KERNEL_RELEASE)
static int cfg80211_rtw_add_beacon(struct wiphy *wiphy, struct net_device *ndev,
		struct beacon_parameters *info)
{
	int ret = 0;
	struct adapter *adapter = (struct adapter *)rtw_netdev_priv(ndev);

	RTW_INFO(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));

	if (rtw_cfg80211_sync_iftype(adapter) != _SUCCESS) {
		ret = -ENOTSUPP;
		goto exit;
	}

	ret = rtw_add_beacon(adapter, info->head, info->head_len, info->tail, info->tail_len);

exit:
	return ret;
}

static int cfg80211_rtw_set_beacon(struct wiphy *wiphy, struct net_device *ndev,
		struct beacon_parameters *info)
{
	struct adapter *adapter = (struct adapter *)rtw_netdev_priv(ndev);
	struct mlme_ext_priv *pmlmeext = &(adapter->mlmeextpriv);

	RTW_INFO(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));

	pmlmeext->bstart_bss = true;

	cfg80211_rtw_add_beacon(wiphy, ndev, info);

	return 0;
}

static int	cfg80211_rtw_del_beacon(struct wiphy *wiphy, struct net_device *ndev)
{
	struct adapter *adapter = (struct adapter *)rtw_netdev_priv(ndev);

	RTW_INFO(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));

	rtw_set_802_11_infrastructure_mode(adapter, Ndis802_11Infrastructure);
	rtw_setopmode_cmd(adapter, Ndis802_11Infrastructure, RTW_CMDF_WAIT_ACK);

	return 0;
}
#else
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);

	RTW_INFO(FUNC_NDEV_FMT" hidden_ssid:%d, auth_type:%d\n", FUNC_NDEV_ARG(ndev),
		settings->hidden_ssid, settings->auth_type);

	if (rtw_cfg80211_sync_iftype(adapter) != _SUCCESS) {
		ret = -ENOTSUPP;
		goto exit;
	}

	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;
	}

exit:
	return ret;
}

static int cfg80211_rtw_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
		struct cfg80211_beacon_data *info)
{
	int ret = 0;
	struct adapter *adapter = (struct adapter *)rtw_netdev_priv(ndev);

	RTW_INFO(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));

	ret = rtw_add_beacon(adapter, info->head, info->head_len, info->tail, info->tail_len);

	return ret;
}

static int cfg80211_rtw_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
{
	struct adapter *adapter = (struct adapter *)rtw_netdev_priv(ndev);

	RTW_INFO(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));

	rtw_set_802_11_infrastructure_mode(adapter, Ndis802_11Infrastructure);
	rtw_setopmode_cmd(adapter, Ndis802_11Infrastructure, RTW_CMDF_WAIT_ACK);

	return 0;
}
#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0)) */

#if CONFIG_RTW_MACADDR_ACL && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0))
static int cfg80211_rtw_set_mac_acl(struct wiphy *wiphy, struct net_device *ndev,
		const struct cfg80211_acl_data *params)
{
	struct adapter *adapter = (struct adapter *)rtw_netdev_priv(ndev);
	u8 acl_mode = RTW_ACL_MODE_DISABLED;
	int ret = -1;
	int i;

	if (!params) {
		RTW_WARN(FUNC_ADPT_FMT" params NULL\n", FUNC_ADPT_ARG(adapter));
		goto exit;
	}

	RTW_INFO(FUNC_ADPT_FMT" acl_policy:%d, entry_num:%d\n"
		, FUNC_ADPT_ARG(adapter), params->acl_policy, params->n_acl_entries);

	if (params->acl_policy == NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED)
		acl_mode = RTW_ACL_MODE_ACCEPT_UNLESS_LISTED;
	else if (params->acl_policy == NL80211_ACL_POLICY_DENY_UNLESS_LISTED)
		acl_mode = RTW_ACL_MODE_DENY_UNLESS_LISTED;

	if (!params->n_acl_entries) {
		if (acl_mode != RTW_ACL_MODE_DISABLED)
			RTW_WARN(FUNC_ADPT_FMT" acl_policy:%d with no entry\n"
				, FUNC_ADPT_ARG(adapter), params->acl_policy);
		acl_mode = RTW_ACL_MODE_DISABLED;
		goto exit;
	}

	for (i = 0; i < params->n_acl_entries; i++)
		rtw_acl_add_sta(adapter, params->mac_addrs[i].addr);

	ret = 0;

exit:
	rtw_set_macaddr_acl(adapter, acl_mode);
	return ret;
}
#endif /* CONFIG_RTW_MACADDR_ACL && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)) */

static int	cfg80211_rtw_add_station(struct wiphy *wiphy, struct net_device *ndev,
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 16, 0))
	u8 *mac,
#else
	const u8 *mac,
#endif
	struct station_parameters *params)
{
	int ret = 0;

	RTW_INFO(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));

	return ret;
}

static int	cfg80211_rtw_del_station(struct wiphy *wiphy, struct net_device *ndev,
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 16, 0))
	u8 *mac
#elif (LINUX_VERSION_CODE < KERNEL_VERSION(3, 19, 0))
	const u8 *mac
#else
	struct station_del_parameters *params
#endif
)
{
	int ret = 0;
	unsigned long irqL;
	struct list_head	*phead, *plist;
	u8 updated = false;
	const u8 *target_mac;
	struct sta_info *psta = NULL;
	struct adapter *adapt = (struct adapter *)rtw_netdev_priv(ndev);
	struct mlme_priv *pmlmepriv = &(adapt->mlmepriv);
	struct sta_priv *pstapriv = &adapt->stapriv;

#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 19, 0))
	target_mac = mac;
#else
	target_mac = params->mac;
#endif

	RTW_INFO("+"FUNC_NDEV_FMT" mac=%pM\n", FUNC_NDEV_ARG(ndev), target_mac);

	if (!check_fwstate(pmlmepriv, (_FW_LINKED | WIFI_AP_STATE | WIFI_MESH_STATE))) {
		RTW_INFO("%s, fw_state != FW_LINKED|WIFI_AP_STATE|WIFI_MESH_STATE\n", __func__);
		return -EINVAL;
	}


	if (!target_mac) {
		RTW_INFO("flush all sta, and cam_entry\n");

		flush_all_cam_entry(adapt);	/* clear CAM */

		ret = rtw_sta_flush(adapt, true);
		return ret;
	}


	RTW_INFO("free sta macaddr =" MAC_FMT "\n", MAC_ARG(target_mac));

	if (target_mac[0] == 0xff && target_mac[1] == 0xff &&
	    target_mac[2] == 0xff && target_mac[3] == 0xff &&
	    target_mac[4] == 0xff && target_mac[5] == 0xff)
		return -EINVAL;


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

	phead = &pstapriv->asoc_list;
	plist = get_next(phead);

	/* check asoc_queue */
	while ((!rtw_end_of_queue_search(phead, plist))) {
		psta = container_of(plist, struct sta_info, asoc_list);

		plist = get_next(plist);

		if (!memcmp((u8 *)target_mac, psta->cmn.mac_addr, ETH_ALEN)) {
			if (psta->dot8021xalg == 1 && !psta->bpairwise_key_installed)
				RTW_INFO("%s, sta's dot8021xalg = 1 and key_installed = false\n", __func__);
			else {
				RTW_INFO("free psta=%p, aid=%d\n", psta, psta->cmn.aid);

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

				/* _exit_critical_bh(&pstapriv->asoc_list_lock, &irqL); */
				if (MLME_IS_AP(adapt))
					updated = ap_free_sta(adapt, psta, true, WLAN_REASON_PREV_AUTH_NOT_VALID, true);
				else
					updated = ap_free_sta(adapt, psta, true, WLAN_REASON_DEAUTH_LEAVING, true);
				/* _enter_critical_bh(&pstapriv->asoc_list_lock, &irqL); */

				psta = NULL;

				break;
			}

		}

	}

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

	associated_clients_update(adapt, updated, STA_INFO_UPDATE_ALL);

	RTW_INFO("-"FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));

	return ret;

}

static int	cfg80211_rtw_change_station(struct wiphy *wiphy, struct net_device *ndev,
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 16, 0))
	u8 *mac,
#else
	const u8 *mac,
#endif
	struct station_parameters *params)
{
	RTW_INFO(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 ((!rtw_end_of_queue_search(phead, plist))) {
		if (idx == i)
			psta = container_of(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;
	unsigned long irqL;
	struct adapter *adapt = (struct adapter *)rtw_netdev_priv(ndev);
	struct sta_info *psta = NULL;
	struct sta_priv *pstapriv = &adapt->stapriv;
	RTW_INFO(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));

	_enter_critical_bh(&pstapriv->asoc_list_lock, &irqL);
	psta = rtw_sta_info_get_by_idx(idx, pstapriv);
	_exit_critical_bh(&pstapriv->asoc_list_lock, &irqL);
	if (!psta) {
		RTW_INFO("Station is not found\n");
		ret = -ENOENT;
		goto exit;
	}
	memcpy(mac, psta->cmn.mac_addr, ETH_ALEN);
	sinfo->filled = STATION_INFO_SIGNAL;
	sinfo->signal = translate_percentage_to_dbm(psta->cmn.rssi_stat.rssi);

exit:
	return ret;
}

static int	cfg80211_rtw_change_bss(struct wiphy *wiphy, struct net_device *ndev,
		struct bss_parameters *params)
{
	RTW_INFO(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
	return 0;
}

static int cfg80211_rtw_set_monitor_channel(struct wiphy *wiphy
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0))
	, struct cfg80211_chan_def *chandef
#else
	, struct ieee80211_channel *chan
	, enum nl80211_channel_type channel_type
#endif
)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0))
	struct ieee80211_channel *chan = chandef->chan;
#endif

	struct adapter *adapt = wiphy_to_adapter(wiphy);
	int target_channal = chan->hw_value;
	int target_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
	int target_width = CHANNEL_WIDTH_20;

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0))
	switch (chandef->width) {
	case NL80211_CHAN_WIDTH_20_NOHT:
	case NL80211_CHAN_WIDTH_20:
		target_width = CHANNEL_WIDTH_20;
		target_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
		break;
	case NL80211_CHAN_WIDTH_40:
		target_width = CHANNEL_WIDTH_40;
		if (chandef->center_freq1 > chan->center_freq)
			target_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
		else
			target_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
		break;
	case NL80211_CHAN_WIDTH_80:
		target_width = CHANNEL_WIDTH_80;
		target_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
		break;
	case NL80211_CHAN_WIDTH_80P80:
		target_width = CHANNEL_WIDTH_80_80;
		target_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
		break;
	case NL80211_CHAN_WIDTH_160:
		target_width = CHANNEL_WIDTH_160;
		target_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
		break;

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0))
	case NL80211_CHAN_WIDTH_5:
	case NL80211_CHAN_WIDTH_10:
#endif
	default:
		target_width = CHANNEL_WIDTH_20;
		target_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
		break;
	}
#else
	switch (channel_type) {
	case NL80211_CHAN_NO_HT:
	case NL80211_CHAN_HT20:
		target_width = CHANNEL_WIDTH_20;
		target_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
		break;
	case NL80211_CHAN_HT40MINUS:
		target_width = CHANNEL_WIDTH_40;
		target_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
		break;
	case NL80211_CHAN_HT40PLUS:
		target_width = CHANNEL_WIDTH_40;
		target_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
		break;
	default:
		target_width = CHANNEL_WIDTH_20;
		target_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
		break;
	}
#endif
	RTW_INFO(FUNC_ADPT_FMT" ch:%d bw:%d, offset:%d\n"
		, FUNC_ADPT_ARG(adapt), target_channal, target_width, target_offset);

	rtw_set_chbw_cmd(adapt, target_channal, target_width, target_offset, RTW_CMDF_WAIT_ACK);

	return 0;
}

void rtw_cfg80211_rx_probe_request(struct adapter *adapter, union recv_frame *rframe)
{
	struct wireless_dev *wdev = adapter->rtw_wdev;
	u8 *frame = get_recvframe_data(rframe);
	uint frame_len = rframe->u.hdr.len;
	int freq;
	u8 ch, sch = rtw_get_oper_ch(adapter);

	ch = rframe->u.hdr.attrib.ch ? rframe->u.hdr.attrib.ch : sch;
	freq = rtw_ch2freq(ch);

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) || defined(COMPAT_KERNEL_RELEASE)
	rtw_cfg80211_rx_mgmt(wdev, freq, 0, frame, frame_len, GFP_ATOMIC);
#else
	cfg80211_rx_action(adapter->pnetdev, freq, frame, frame_len, GFP_ATOMIC);
#endif
}

void rtw_cfg80211_rx_action_p2p(struct adapter *adapter, union recv_frame *rframe)
{
	struct wireless_dev *wdev = adapter->rtw_wdev;
	u8 *frame = get_recvframe_data(rframe);
	uint frame_len = rframe->u.hdr.len;
	int freq;
	u8 ch, sch = rtw_get_oper_ch(adapter);
	u8 category, action;
	int type;

	ch = rframe->u.hdr.attrib.ch ? rframe->u.hdr.attrib.ch : sch;
	freq = rtw_ch2freq(ch);

	RTW_INFO("RTW_Rx:ch=%d(%d), ta="MAC_FMT"\n"
		, ch, sch, MAC_ARG(get_addr2_ptr(frame)));
	type = rtw_p2p_check_frames(adapter, frame, frame_len, false);
	if (type >= 0)
		goto indicate;
	rtw_action_frame_parse(frame, frame_len, &category, &action);
	RTW_INFO("RTW_Rx:category(%u), action(%u)\n", category, action);

indicate:

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
	rtw_cfg80211_rx_mgmt(wdev, freq, 0, frame, frame_len, GFP_ATOMIC);
#else
	cfg80211_rx_action(adapter->pnetdev, freq, frame, frame_len, GFP_ATOMIC);
#endif
}

void rtw_cfg80211_rx_p2p_action_public(struct adapter *adapter, union recv_frame *rframe)
{
	struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
	struct wireless_dev *wdev = adapter->rtw_wdev;
	struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(adapter);
	u8 *frame = get_recvframe_data(rframe);
	uint frame_len = rframe->u.hdr.len;
	int freq;
	u8 ch, sch = rtw_get_oper_ch(adapter);
	u8 category, action;
	int type;

	ch = rframe->u.hdr.attrib.ch ? rframe->u.hdr.attrib.ch : sch;
	freq = rtw_ch2freq(ch);

	RTW_INFO("RTW_Rx:ch=%d(%d), ta="MAC_FMT"\n"
		, ch, sch, MAC_ARG(get_addr2_ptr(frame)));
	type = rtw_p2p_check_frames(adapter, frame, frame_len, false);
	if (type >= 0) {
		switch (type) {
		case P2P_GO_NEGO_CONF:
			if (pwdev_priv->nego_info.state == 2 &&
			    pwdev_priv->nego_info.status == 0 &&
			    !rtw_check_invalid_mac_address(pwdev_priv->nego_info.iface_addr, false)) {
				struct adapter *intended_iface = dvobj_get_adapter_by_addr(dvobj, pwdev_priv->nego_info.iface_addr);

				if (intended_iface) {
					RTW_INFO(FUNC_ADPT_FMT" Nego confirm. Allow only "ADPT_FMT" to scan for 2000 ms\n"
						, FUNC_ADPT_ARG(adapter), ADPT_ARG(intended_iface));
					/* allow only intended_iface to do scan for 2000 ms */
					rtw_mi_set_scan_deny(adapter, 2000);
					rtw_clear_scan_deny(intended_iface);
				}
			}
			break;
		case P2P_PROVISION_DISC_RESP:
		case P2P_INVIT_RESP:
			rtw_mi_buddy_set_scan_deny(adapter, 2000);
			break;
		}
		goto indicate;
	}
	rtw_action_frame_parse(frame, frame_len, &category, &action);
	RTW_INFO("RTW_Rx:category(%u), action(%u)\n", category, action);

indicate:

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
	rtw_cfg80211_rx_mgmt(wdev, freq, 0, frame, frame_len, GFP_ATOMIC);
#else
	cfg80211_rx_action(adapter->pnetdev, freq, frame, frame_len, GFP_ATOMIC);
#endif
}

void rtw_cfg80211_rx_action(struct adapter *adapter, union recv_frame *rframe, const char *msg)
{
	struct wireless_dev *wdev = adapter->rtw_wdev;
	u8 *frame = get_recvframe_data(rframe);
	uint frame_len = rframe->u.hdr.len;
	int freq;
	u8 ch, sch = rtw_get_oper_ch(adapter);
	u8 category, action;

	ch = rframe->u.hdr.attrib.ch ? rframe->u.hdr.attrib.ch : sch;
	freq = rtw_ch2freq(ch);

	RTW_INFO("RTW_Rx:ch=%d(%d), ta="MAC_FMT"\n"
		, ch, sch, MAC_ARG(get_addr2_ptr(frame)));

	rtw_action_frame_parse(frame, frame_len, &category, &action);
	if (category == RTW_WLAN_CATEGORY_PUBLIC) {
		if (action == ACT_PUBLIC_GAS_INITIAL_REQ) {
			rtw_mi_set_scan_deny(adapter, 200);
			rtw_mi_scan_abort(adapter, false); /*rtw_scan_abort_no_wait*/
		}
	}

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
	rtw_cfg80211_rx_mgmt(wdev, freq, 0, frame, frame_len, GFP_ATOMIC);
#else
	cfg80211_rx_action(adapter->pnetdev, freq, frame, frame_len, GFP_ATOMIC);
#endif

	if (msg)
		RTW_INFO("RTW_Rx:%s\n", msg);
	else
		RTW_INFO("RTW_Rx:category(%u), action(%u)\n", category, action);
}

void rtw_cfg80211_issue_p2p_provision_request(struct adapter *adapt, const u8 *buf, size_t len)
{
	u16	wps_devicepassword_id = 0x0000;
	uint	wps_devicepassword_id_len = 0;
	u8			wpsie[255] = { 0x00 }, p2p_ie[255] = { 0x00 };
	uint			p2p_ielen = 0;
	uint			wpsielen = 0;
	u32	devinfo_contentlen = 0;
	u8	devinfo_content[64] = { 0x00 };
	u16	capability = 0;
	uint capability_len = 0;

	unsigned char category = RTW_WLAN_CATEGORY_PUBLIC;
	u8			action = P2P_PUB_ACTION_ACTION;
	u8			dialogToken = 1;
	__be32			p2poui = cpu_to_be32(P2POUI);
	u8			oui_subtype = P2P_PROVISION_DISC_REQ;
	u32			p2pielen = 0;
	u32					wfdielen = 0;
	struct xmit_frame			*pmgntframe;
	struct pkt_attrib			*pattrib;
	unsigned char					*pframe;
	struct rtw_ieee80211_hdr	*pwlanhdr;
	__le16 	*fctrl;
	struct xmit_priv			*pxmitpriv = &(adapt->xmitpriv);
	struct mlme_ext_priv	*pmlmeext = &(adapt->mlmeextpriv);
	__be16 be_tmp;
	struct wifidirect_info *pwdinfo = &(adapt->wdinfo);
	u8 *frame_body = (unsigned char *)(buf + sizeof(struct rtw_ieee80211_hdr_3addr));
	size_t frame_body_len = len - sizeof(struct rtw_ieee80211_hdr_3addr);


	RTW_INFO("[%s] In\n", __func__);

	/* prepare for building provision_request frame	 */
	memcpy(pwdinfo->tx_prov_disc_info.peerIFAddr, GetAddr1Ptr(buf), ETH_ALEN);
	memcpy(pwdinfo->tx_prov_disc_info.peerDevAddr, GetAddr1Ptr(buf), ETH_ALEN);

	pwdinfo->tx_prov_disc_info.wps_config_method_request = WPS_CM_PUSH_BUTTON;

	rtw_get_wps_ie(frame_body + _PUBLIC_ACTION_IE_OFFSET_, frame_body_len - _PUBLIC_ACTION_IE_OFFSET_, wpsie, &wpsielen);
	rtw_get_wps_attr_content(wpsie, wpsielen, WPS_ATTR_DEVICE_PWID, (u8 *)&be_tmp, &wps_devicepassword_id_len);
	wps_devicepassword_id = be16_to_cpu(be_tmp);

	switch (wps_devicepassword_id) {
	case WPS_DPID_PIN:
		pwdinfo->tx_prov_disc_info.wps_config_method_request = WPS_CM_LABEL;
		break;
	case WPS_DPID_USER_SPEC:
		pwdinfo->tx_prov_disc_info.wps_config_method_request = WPS_CM_DISPLYA;
		break;
	case WPS_DPID_MACHINE_SPEC:
		break;
	case WPS_DPID_REKEY:
		break;
	case WPS_DPID_PBC:
		pwdinfo->tx_prov_disc_info.wps_config_method_request = WPS_CM_PUSH_BUTTON;
		break;
	case WPS_DPID_REGISTRAR_SPEC:
		pwdinfo->tx_prov_disc_info.wps_config_method_request = WPS_CM_KEYPAD;
		break;
	default:
		break;
	}


	if (rtw_get_p2p_ie(frame_body + _PUBLIC_ACTION_IE_OFFSET_, frame_body_len - _PUBLIC_ACTION_IE_OFFSET_, p2p_ie, &p2p_ielen)) {

		rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_DEVICE_INFO, devinfo_content, &devinfo_contentlen);
		rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_CAPABILITY, (u8 *)&capability, &capability_len);

	}


	/* start to build provision_request frame	 */
	memset(wpsie, 0, sizeof(wpsie));
	memset(p2p_ie, 0, sizeof(p2p_ie));
	p2p_ielen = 0;

	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
	if (!pmgntframe)
		return;


	/* update attribute */
	pattrib = &pmgntframe->attrib;
	update_mgntframe_attrib(adapt, pattrib);

	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);

	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
	pwlanhdr = (struct rtw_ieee80211_hdr *)pframe;

	fctrl = &(pwlanhdr->frame_ctl);
	*(fctrl) = 0;

	memcpy(pwlanhdr->addr1, pwdinfo->tx_prov_disc_info.peerDevAddr, ETH_ALEN);
	memcpy(pwlanhdr->addr2, adapter_mac_addr(adapt), ETH_ALEN);
	memcpy(pwlanhdr->addr3, pwdinfo->tx_prov_disc_info.peerDevAddr, ETH_ALEN);

	SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq);
	pmlmeext->mgnt_seq++;
	set_frame_sub_type(pframe, WIFI_ACTION);

	pframe += sizeof(struct rtw_ieee80211_hdr_3addr);
	pattrib->pktlen = sizeof(struct rtw_ieee80211_hdr_3addr);

	pframe = rtw_set_fixed_ie(pframe, 1, &(category), &(pattrib->pktlen));
	pframe = rtw_set_fixed_ie(pframe, 1, &(action), &(pattrib->pktlen));
	pframe = rtw_set_fixed_ie(pframe, 4, (unsigned char *) &(p2poui), &(pattrib->pktlen));
	pframe = rtw_set_fixed_ie(pframe, 1, &(oui_subtype), &(pattrib->pktlen));
	pframe = rtw_set_fixed_ie(pframe, 1, &(dialogToken), &(pattrib->pktlen));


	/* build_prov_disc_request_p2p_ie	 */
	/*	P2P OUI */
	p2pielen = 0;
	p2p_ie[p2pielen++] = 0x50;
	p2p_ie[p2pielen++] = 0x6F;
	p2p_ie[p2pielen++] = 0x9A;
	p2p_ie[p2pielen++] = 0x09;	/*	WFA P2P v1.0 */

	/*	Commented by Albert 20110301 */
	/*	According to the P2P Specification, the provision discovery request frame should contain 3 P2P attributes */
	/*	1. P2P Capability */
	/*	2. Device Info */
	/*	3. Group ID ( When joining an operating P2P Group ) */

	/*	P2P Capability ATTR */
	/*	Type:	 */
	p2p_ie[p2pielen++] = P2P_ATTR_CAPABILITY;

	/*	Length: */
	/* *(u16*) ( p2pie + p2pielen ) = cpu_to_le16( 0x0002 ); */
	RTW_PUT_LE16(p2p_ie + p2pielen, 0x0002);
	p2pielen += 2;

	/*	Value: */
	/*	Device Capability Bitmap, 1 byte */
	/*	Group Capability Bitmap, 1 byte */
	memcpy(p2p_ie + p2pielen, &capability, 2);
	p2pielen += 2;


	/*	Device Info ATTR */
	/*	Type: */
	p2p_ie[p2pielen++] = P2P_ATTR_DEVICE_INFO;

	/*	Length: */
	/*	21->P2P Device Address (6bytes) + Config Methods (2bytes) + Primary Device Type (8bytes)  */
	/*	+ NumofSecondDevType (1byte) + WPS Device Name ID field (2bytes) + WPS Device Name Len field (2bytes) */
	/* *(u16*) ( p2pie + p2pielen ) = cpu_to_le16( 21 + pwdinfo->device_name_len ); */
	RTW_PUT_LE16(p2p_ie + p2pielen, devinfo_contentlen);
	p2pielen += 2;

	/*	Value: */
	memcpy(p2p_ie + p2pielen, devinfo_content, devinfo_contentlen);
	p2pielen += devinfo_contentlen;


	pframe = rtw_set_ie(pframe, _VENDOR_SPECIFIC_IE_, p2pielen, (unsigned char *) p2p_ie, &p2p_ielen);
	/* p2pielen = build_prov_disc_request_p2p_ie( pwdinfo, pframe, NULL, 0, pwdinfo->tx_prov_disc_info.peerDevAddr); */
	/* pframe += p2pielen; */
	pattrib->pktlen += p2p_ielen;

	wpsielen = 0;
	/*	WPS OUI */
	*(__be32 *)(wpsie) = cpu_to_be32(WPSOUI);
	wpsielen += 4;

	/*	WPS version */
	/*	Type: */
	*(__be16 *)(wpsie + wpsielen) = cpu_to_be16(WPS_ATTR_VER1);
	wpsielen += 2;

	/*	Length: */
	*(__be16 *)(wpsie + wpsielen) = cpu_to_be16(0x0001);
	wpsielen += 2;

	/*	Value: */
	wpsie[wpsielen++] = WPS_VERSION_1;	/*	Version 1.0 */

	/*	Config Method */
	/*	Type: */
	*(__be16 *)(wpsie + wpsielen) = cpu_to_be16(WPS_ATTR_CONF_METHOD);
	wpsielen += 2;

	/*	Length: */
	*(__be16 *)(wpsie + wpsielen) = cpu_to_be16(0x0002);
	wpsielen += 2;

	/*	Value: */
	*(__be16 *)(wpsie + wpsielen) = cpu_to_be16(pwdinfo->tx_prov_disc_info.wps_config_method_request);
	wpsielen += 2;

	pframe = rtw_set_ie(pframe, _VENDOR_SPECIFIC_IE_, wpsielen, (unsigned char *) wpsie, &pattrib->pktlen);

	wfdielen = build_provdisc_req_wfd_ie(pwdinfo, pframe);
	pframe += wfdielen;
	pattrib->pktlen += wfdielen;

	pattrib->last_txcmdsz = pattrib->pktlen;

	/* dump_mgntframe(adapt, pmgntframe); */
	if (dump_mgntframe_and_wait_ack(adapt, pmgntframe) != _SUCCESS)
		RTW_INFO("%s, ack to\n", __func__);
}

#ifdef CONFIG_RTW_80211R
static int cfg80211_rtw_update_ft_ies(struct wiphy *wiphy,
	struct net_device *ndev,
	struct cfg80211_update_ft_ies_params *ftie)
{
	struct adapter *adapt = NULL;
	struct mlme_priv *pmlmepriv = NULL;
	struct ft_roam_info *pft_roam = NULL;
	unsigned long irqL;
	u8 *p;
	u8 *pie = NULL;
	u32 ie_len = 0;

	if (!ndev)
		return  -EINVAL;

	adapt = (struct adapter *)rtw_netdev_priv(ndev);
	pmlmepriv = &(adapt->mlmepriv);
	pft_roam = &(pmlmepriv->ft_roam);

	p = (u8 *)ftie->ie;
	if (ftie->ie_len <= sizeof(pft_roam->updated_ft_ies)) {
		_enter_critical_bh(&pmlmepriv->lock, &irqL);
		memcpy(pft_roam->updated_ft_ies, ftie->ie, ftie->ie_len);
		pft_roam->updated_ft_ies_len = ftie->ie_len;
		_exit_critical_bh(&pmlmepriv->lock, &irqL);
	} else {
		RTW_ERR("FTIEs parsing fail!\n");
		return -EINVAL;
	}

	if (rtw_ft_roam_status(adapt, RTW_FT_AUTHENTICATED_STA)) {
		RTW_PRINT("auth success, start reassoc\n");
		rtw_ft_lock_set_status(adapt, RTW_FT_ASSOCIATING_STA, &irqL);
		start_clnt_assoc(adapt);
	}

	return 0;
}
#endif

inline void rtw_cfg80211_set_is_roch(struct adapter *adapter, bool val)
{
	adapter->cfg80211_wdinfo.is_ro_ch = val;
	rtw_mi_update_iface_status(&(adapter->mlmepriv), 0);
}

inline bool rtw_cfg80211_get_is_roch(struct adapter *adapter)
{
	return adapter->cfg80211_wdinfo.is_ro_ch;
}

static int cfg80211_rtw_remain_on_channel(struct wiphy *wiphy,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
	struct wireless_dev *wdev,
#else
	struct net_device *ndev,
#endif
	struct ieee80211_channel *channel,
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 8, 0))
	enum nl80211_channel_type channel_type,
#endif
	unsigned int duration, u64 *cookie)
{
	int err = 0;
	u8 remain_ch = (u8) ieee80211_frequency_to_channel(channel->center_freq);
	struct adapter *adapt = NULL;
	struct rtw_wdev_priv *pwdev_priv;
	struct wifidirect_info *pwdinfo;
	struct cfg80211_wifidirect_info *pcfg80211_wdinfo;
#ifdef CONFIG_CONCURRENT_MODE
	u8 is_p2p_find;
#endif

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
	if (wdev_to_ndev(wdev))
		adapt = (struct adapter *)rtw_netdev_priv(wdev_to_ndev(wdev));
	else {
		err = -EINVAL;
		goto exit;
	}
#else
	struct wireless_dev *wdev;

	if (!ndev) {
		err = -EINVAL;
		goto exit;
	}
	adapt = (struct adapter *)rtw_netdev_priv(ndev);
	wdev = ndev_to_wdev(ndev);
#endif

	pwdev_priv = adapter_wdev_data(adapt);
	pwdinfo = &adapt->wdinfo;
	pcfg80211_wdinfo = &adapt->cfg80211_wdinfo;
#ifdef CONFIG_CONCURRENT_MODE
	is_p2p_find = (duration < (pwdinfo->ext_listen_interval)) ? true : false;
#endif

	*cookie = ATOMIC_INC_RETURN(&pcfg80211_wdinfo->ro_ch_cookie_gen);

	RTW_INFO(FUNC_ADPT_FMT"%s ch:%u duration:%d, cookie:0x%llx\n"
		, FUNC_ADPT_ARG(adapt), wdev == wiphy_to_pd_wdev(wiphy) ? " PD" : ""
		, remain_ch, duration, *cookie);

	if (rtw_chset_search_ch(adapter_to_chset(adapt), remain_ch) < 0) {
		RTW_WARN(FUNC_ADPT_FMT" invalid ch:%u\n", FUNC_ADPT_ARG(adapt), remain_ch);
		err = -EFAULT;
		goto exit;
	}

	if (_FAIL == rtw_pwr_wakeup(adapt)) {
		err = -EFAULT;
		goto exit;
	}

	rtw_scan_abort(adapt);
#ifdef CONFIG_CONCURRENT_MODE
	/*don't scan_abort during p2p_listen.*/
	if (is_p2p_find)
		rtw_mi_buddy_scan_abort(adapt, true);
#endif /*CONFIG_CONCURRENT_MODE*/

	if (rtw_cfg80211_get_is_roch(adapt)) {
		_cancel_timer_ex(&adapt->cfg80211_wdinfo.remain_on_ch_timer);
		p2p_cancel_roch_cmd(adapt, 0, NULL, RTW_CMDF_WAIT_ACK);
	}

	/* if(!rtw_p2p_chk_role(pwdinfo, P2P_ROLE_CLIENT) && !rtw_p2p_chk_role(pwdinfo, P2P_ROLE_GO)) */
	if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE)) {
		rtw_p2p_enable(adapt, P2P_ROLE_DEVICE);
		adapt->wdinfo.listen_channel = remain_ch;
		RTW_INFO(FUNC_ADPT_FMT" init listen_channel %u\n"
			, FUNC_ADPT_ARG(adapt), adapt->wdinfo.listen_channel);
	} else if (rtw_p2p_chk_state(pwdinfo , P2P_STATE_LISTEN)
		&& (time_after_eq(rtw_get_current_time(), pwdev_priv->probe_resp_ie_update_time)
			&& rtw_get_passing_time_ms(pwdev_priv->probe_resp_ie_update_time) < 50)
	) {
		if (adapt->wdinfo.listen_channel != remain_ch) {
			adapt->wdinfo.listen_channel = remain_ch;
			RTW_INFO(FUNC_ADPT_FMT" update listen_channel %u\n"
				, FUNC_ADPT_ARG(adapt), adapt->wdinfo.listen_channel);
		}
	} else {
		rtw_p2p_set_pre_state(pwdinfo, rtw_p2p_state(pwdinfo));
	}

	rtw_p2p_set_state(pwdinfo, P2P_STATE_LISTEN);

	#ifdef RTW_ROCH_DURATION_ENLARGE
	if (duration < 400)
		duration = duration * 3; /* extend from exper */
	#endif

#if defined(RTW_ROCH_BACK_OP) && defined(CONFIG_CONCURRENT_MODE)
	if (rtw_mi_check_status(adapt, MI_LINKED)) {
		if (is_p2p_find) /* p2p_find , duration<1000 */
			duration = duration + pwdinfo->ext_listen_interval;
		else /* p2p_listen, duration=5000 */
			duration = pwdinfo->ext_listen_interval + (pwdinfo->ext_listen_interval / 4);
	}
#endif /*defined (RTW_ROCH_BACK_OP) && defined(CONFIG_CONCURRENT_MODE) */

	rtw_cfg80211_set_is_roch(adapt, true);
	pcfg80211_wdinfo->ro_ch_wdev = wdev;
	pcfg80211_wdinfo->remain_on_ch_cookie = *cookie;
	pcfg80211_wdinfo->last_ro_ch_time = rtw_get_current_time();
	memcpy(&pcfg80211_wdinfo->remain_on_ch_channel, channel, sizeof(struct ieee80211_channel));
	#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 8, 0))
	pcfg80211_wdinfo->remain_on_ch_type = channel_type;
	#endif
	pcfg80211_wdinfo->restore_channel = rtw_get_oper_ch(adapt);

	p2p_roch_cmd(adapt, *cookie, wdev, channel, pcfg80211_wdinfo->remain_on_ch_type,
		duration, RTW_CMDF_WAIT_ACK);

	rtw_cfg80211_ready_on_channel(wdev, *cookie, channel, channel_type, duration, GFP_KERNEL);
exit:
	return err;
}

static int cfg80211_rtw_cancel_remain_on_channel(struct wiphy *wiphy,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
	struct wireless_dev *wdev,
#else
	struct net_device *ndev,
#endif
	u64 cookie)
{
	int err = 0;
	struct adapter *adapt;
	struct rtw_wdev_priv *pwdev_priv;
	struct wifidirect_info *pwdinfo;
	struct cfg80211_wifidirect_info *pcfg80211_wdinfo;

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
	if (wdev_to_ndev(wdev))
		adapt = (struct adapter *)rtw_netdev_priv(wdev_to_ndev(wdev));
	else {
		err = -EINVAL;
		goto exit;
	}
#else
	struct wireless_dev *wdev;

	if (!ndev) {
		err = -EINVAL;
		goto exit;
	}
	adapt = (struct adapter *)rtw_netdev_priv(ndev);
	wdev = ndev_to_wdev(ndev);
#endif

	pwdev_priv = adapter_wdev_data(adapt);
	pwdinfo = &adapt->wdinfo;
	pcfg80211_wdinfo = &adapt->cfg80211_wdinfo;

	RTW_INFO(FUNC_ADPT_FMT"%s cookie:0x%llx\n"
		, FUNC_ADPT_ARG(adapt), wdev == wiphy_to_pd_wdev(wiphy) ? " PD" : ""
		, cookie);

	if (rtw_cfg80211_get_is_roch(adapt)) {
		_cancel_timer_ex(&adapt->cfg80211_wdinfo.remain_on_ch_timer);
		p2p_cancel_roch_cmd(adapt, cookie, wdev, RTW_CMDF_WAIT_ACK);
	}

exit:
	return err;
}

inline int rtw_cfg80211_iface_has_p2p_group_cap(struct adapter *adapter)
{
	return 1;
}

inline int rtw_cfg80211_is_p2p_scan(struct adapter *adapter)
{
	struct wifidirect_info *wdinfo = &adapter->wdinfo;

	return rtw_p2p_chk_state(wdinfo, P2P_STATE_SCAN)
		|| rtw_p2p_chk_state(wdinfo, P2P_STATE_FIND_PHASE_SEARCH);
}

inline void rtw_cfg80211_set_is_mgmt_tx(struct adapter *adapter, u8 val)
{
	struct rtw_wdev_priv *wdev_priv = adapter_wdev_data(adapter);

	wdev_priv->is_mgmt_tx = val;
	rtw_mi_update_iface_status(&(adapter->mlmepriv), 0);
}

inline u8 rtw_cfg80211_get_is_mgmt_tx(struct adapter *adapter)
{
	struct rtw_wdev_priv *wdev_priv = adapter_wdev_data(adapter);

	return wdev_priv->is_mgmt_tx;
}

static int _cfg80211_rtw_mgmt_tx(struct adapter *adapt, u8 tx_ch, u8 no_cck, const u8 *buf, size_t len, int wait_ack)
{
	struct xmit_frame	*pmgntframe;
	struct pkt_attrib	*pattrib;
	unsigned char	*pframe;
	int ret = _FAIL;
	bool ack = true;
	struct rtw_ieee80211_hdr *pwlanhdr;
	struct xmit_priv	*pxmitpriv = &(adapt->xmitpriv);
	struct mlme_ext_priv	*pmlmeext = &(adapt->mlmeextpriv);
	u8 u_ch = rtw_mi_get_union_chan(adapt);
	u8 leave_op = 0;
	struct cfg80211_wifidirect_info *pcfg80211_wdinfo = &adapt->cfg80211_wdinfo;
#if defined(RTW_ROCH_BACK_OP) && defined(CONFIG_CONCURRENT_MODE)
	struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(adapt);
#endif

	rtw_cfg80211_set_is_mgmt_tx(adapt, 1);

	rtw_btcoex_ScanNotify(adapt, true);

	if (rtw_cfg80211_get_is_roch(adapt)) {
		#ifdef CONFIG_CONCURRENT_MODE
		if (!check_fwstate(&adapt->mlmepriv, _FW_LINKED)) {
			RTW_INFO("%s, extend ro ch time\n", __func__);
			_set_timer(&adapt->cfg80211_wdinfo.remain_on_ch_timer, adapt->wdinfo.ext_listen_period);
		}
		#endif /* CONFIG_CONCURRENT_MODE */
	}

	if (rtw_mi_check_status(adapt, MI_LINKED) && tx_ch != u_ch) {
		rtw_leave_opch(adapt);
		leave_op = 1;

		#if defined(RTW_ROCH_BACK_OP) && defined(CONFIG_CONCURRENT_MODE)
		if (rtw_cfg80211_get_is_roch(adapt) &&
		    ATOMIC_READ(&pwdev_priv->switch_ch_to) == 1) {
			u16 ext_listen_period;
			struct wifidirect_info *pwdinfo = &adapt->wdinfo;

			if (check_fwstate(&adapt->mlmepriv, _FW_LINKED))
				ext_listen_period = 500;
			else
				ext_listen_period = pwdinfo->ext_listen_period;
			ATOMIC_SET(&pwdev_priv->switch_ch_to, 0);
			_set_timer(&pwdinfo->ap_p2p_switch_timer, ext_listen_period);
			RTW_INFO("%s, set switch ch timer, period=%d\n", __func__, ext_listen_period);
		}
		#endif /* RTW_ROCH_BACK_OP && CONFIG_CONCURRENT_MODE */
	}

	if (tx_ch != rtw_get_oper_ch(adapt))
		set_channel_bwmode(adapt, tx_ch, HAL_PRIME_CHNL_OFFSET_DONT_CARE, CHANNEL_WIDTH_20);

	/* starting alloc mgmt frame to dump it */
	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
	if (!pmgntframe) {
		/* ret = -ENOMEM; */
		ret = _FAIL;
		goto exit;
	}

	/* update attribute */
	pattrib = &pmgntframe->attrib;
	update_mgntframe_attrib(adapt, pattrib);

	if (no_cck && IS_CCK_RATE(pattrib->rate)) {
		/* force OFDM 6M rate*/
		pattrib->rate = MGN_6M;
		pattrib->raid = rtw_get_mgntframe_raid(adapt, WIRELESS_11G);
	}

	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 rtw_ieee80211_hdr *)pframe;
	/* update seq number */
	pmlmeext->mgnt_seq = GetSequence(pwlanhdr);
	pattrib->seqnum = pmlmeext->mgnt_seq;
	pmlmeext->mgnt_seq++;

	rtw_xframe_chk_wfd_ie(pmgntframe);

	pattrib->last_txcmdsz = pattrib->pktlen;

	if (wait_ack) {
		if (dump_mgntframe_and_wait_ack(adapt, pmgntframe) != _SUCCESS) {
			ack = false;
			ret = _FAIL;
		} else {
			rtw_msleep_os(50);
			ret = _SUCCESS;
		}
	} else {
		dump_mgntframe(adapt, pmgntframe);
		ret = _SUCCESS;
	}

exit:
	if (rtw_cfg80211_get_is_roch(adapt)
		&& !roch_stay_in_cur_chan(adapt)
		&& pcfg80211_wdinfo->remain_on_ch_channel.hw_value != u_ch
	) {
		/* roch is ongoing, switch back to rch */
		if (pcfg80211_wdinfo->remain_on_ch_channel.hw_value != tx_ch)
			set_channel_bwmode(adapt, pcfg80211_wdinfo->remain_on_ch_channel.hw_value
				, HAL_PRIME_CHNL_OFFSET_DONT_CARE, CHANNEL_WIDTH_20);
	} else if (leave_op) {
		if (rtw_mi_check_status(adapt, MI_LINKED)) {
			u8 u_bw = rtw_mi_get_union_bw(adapt);
			u8 u_offset = rtw_mi_get_union_offset(adapt);

			set_channel_bwmode(adapt, u_ch, u_offset, u_bw);
		}
		rtw_back_opch(adapt);
	}

	rtw_cfg80211_set_is_mgmt_tx(adapt, 0);

	rtw_btcoex_ScanNotify(adapt, false);

	return ret;
}

u8 rtw_mgnt_tx_handler(struct adapter *adapter, u8 *buf)
{
	u8 rst = H2C_CMD_FAIL;
	struct mgnt_tx_parm *mgnt_parm = (struct mgnt_tx_parm *)buf;

	if (_cfg80211_rtw_mgmt_tx(adapter, mgnt_parm->tx_ch, mgnt_parm->no_cck,
		mgnt_parm->buf, mgnt_parm->len, mgnt_parm->wait_ack) == _SUCCESS)
		rst = H2C_SUCCESS;

	return rst;
}

static int cfg80211_rtw_mgmt_tx(struct wiphy *wiphy,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
	struct wireless_dev *wdev,
#else
	struct net_device *ndev,
#endif
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0)) || defined(COMPAT_KERNEL_RELEASE)
	struct ieee80211_channel *chan,
	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 38)) || defined(COMPAT_KERNEL_RELEASE)
	bool offchan,
	#endif
	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 34)) && (LINUX_VERSION_CODE < KERNEL_VERSION(3, 8, 0))
	enum nl80211_channel_type channel_type,
	#endif
	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36)) && (LINUX_VERSION_CODE < KERNEL_VERSION(3, 8, 0))
	bool channel_type_valid,
	#endif
	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 38)) || defined(COMPAT_KERNEL_RELEASE)
	unsigned int wait,
	#endif
	const u8 *buf, size_t len,
	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0))
	bool no_cck,
	#endif
	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0))
	bool dont_wait_for_ack,
	#endif
#else
	struct cfg80211_mgmt_tx_params *params,
#endif
	u64 *cookie)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) || defined(COMPAT_KERNEL_RELEASE)
	struct ieee80211_channel *chan = params->chan;
	const u8 *buf = params->buf;
	size_t len = params->len;
	bool no_cck = params->no_cck;
#endif
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 2, 0))
	bool no_cck = 0;
#endif
	int ret = 0;
	u8 tx_ret;
	int wait_ack = 1;
	u32 dump_limit = RTW_MAX_MGMT_TX_CNT;
	u32 dump_cnt = 0;
	u32 sleep_ms = 0;
	u32 retry_guarantee_ms = 0;
	bool ack = true;
	u8 tx_ch;
	u8 category, action;
	u8 frame_styp;
	u8 is_p2p = 0;
	int type = (-1);
	unsigned long start = rtw_get_current_time();
	struct adapter *adapt;
	struct dvobj_priv *dvobj;
	struct rtw_wdev_priv *pwdev_priv;
	struct rf_ctl_t *rfctl;

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
	if (wdev_to_ndev(wdev))
		adapt = (struct adapter *)rtw_netdev_priv(wdev_to_ndev(wdev));
	else {
		ret = -EINVAL;
		goto exit;
	}
#else
	struct wireless_dev *wdev;

	if (!ndev) {
		ret = -EINVAL;
		goto exit;
	}
	adapt = (struct adapter *)rtw_netdev_priv(ndev);
	wdev = ndev_to_wdev(ndev);
#endif

	if (!chan) {
		ret = -EINVAL;
		goto exit;
	}

	rfctl = adapter_to_rfctl(adapt);
	tx_ch = (u8)ieee80211_frequency_to_channel(chan->center_freq);

	dvobj = adapter_to_dvobj(adapt);
	pwdev_priv = adapter_wdev_data(adapt);

	/* cookie generation */
	*cookie = pwdev_priv->mgmt_tx_cookie++;

	/* indicate ack before issue frame to avoid racing with rsp frame */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
	rtw_cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, ack, GFP_KERNEL);
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 34) && LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 36))
	cfg80211_action_tx_status(ndev, *cookie, buf, len, ack, GFP_KERNEL);
#endif

	frame_styp = le16_to_cpu(((struct rtw_ieee80211_hdr_3addr *)buf)->frame_ctl) & IEEE80211_FCTL_STYPE;
	if (IEEE80211_STYPE_PROBE_RESP == frame_styp) {
		wait_ack = 0;
		goto dump;
	}

	if (!rtw_action_frame_parse(buf, len, &category, &action)) {
		RTW_INFO(FUNC_ADPT_FMT" frame_control:0x%02x\n", FUNC_ADPT_ARG(adapt),
			le16_to_cpu(((struct rtw_ieee80211_hdr_3addr *)buf)->frame_ctl));
		goto exit;
	}

	RTW_INFO("RTW_Tx:tx_ch=%d, no_cck=%u, da="MAC_FMT"\n", tx_ch, no_cck, MAC_ARG(GetAddr1Ptr(buf)));
	type = rtw_p2p_check_frames(adapt, buf, len, true);
	if (type >= 0) {
		is_p2p = 1;
		no_cck = 1; /* force no CCK for P2P frames */
		goto dump;
	}
	if (category == RTW_WLAN_CATEGORY_PUBLIC) {
		RTW_INFO("RTW_Tx:%s\n", action_public_str(action));
		switch (action) {
		case ACT_PUBLIC_GAS_INITIAL_REQ:
		case ACT_PUBLIC_GAS_INITIAL_RSP:
			sleep_ms = 50;
			retry_guarantee_ms = RTW_MAX_MGMT_TX_MS_GAS;
			break;
		}
	} else {
		RTW_INFO("RTW_Tx:category(%u), action(%u)\n", category, action);
	}
dump:

	rtw_ps_deny(adapt, PS_DENY_MGNT_TX);
	if (_FAIL == rtw_pwr_wakeup(adapt)) {
		ret = -EFAULT;
		goto cancel_ps_deny;
	}

	while (1) {
		dump_cnt++;

		rtw_mi_set_scan_deny(adapt, 1000);
		rtw_mi_scan_abort(adapt, true);
		tx_ret = rtw_mgnt_tx_cmd(adapt, tx_ch, no_cck, buf, len, wait_ack, RTW_CMDF_WAIT_ACK);
		if (tx_ret == _SUCCESS
			|| (dump_cnt >= dump_limit && rtw_get_passing_time_ms(start) >= retry_guarantee_ms))
			break;

		if (sleep_ms > 0)
			rtw_msleep_os(sleep_ms);
	}

	if (tx_ret != _SUCCESS || dump_cnt > 1) {
		RTW_INFO(FUNC_ADPT_FMT" %s (%d/%d) in %d ms\n", FUNC_ADPT_ARG(adapt),
			tx_ret == _SUCCESS ? "OK" : "FAIL", dump_cnt, dump_limit, rtw_get_passing_time_ms(start));
	}

	if (is_p2p) {
		switch (type) {
		case P2P_GO_NEGO_CONF:
			if (pwdev_priv->nego_info.state == 2 &&
			    pwdev_priv->nego_info.status == 0 &&
			    !rtw_check_invalid_mac_address(pwdev_priv->nego_info.iface_addr, false)) {
				struct adapter *intended_iface = dvobj_get_adapter_by_addr(dvobj, pwdev_priv->nego_info.iface_addr);

				if (intended_iface) {
					RTW_INFO(FUNC_ADPT_FMT" Nego confirm. Allow only "ADPT_FMT" to scan for 2000 ms\n"
						, FUNC_ADPT_ARG(adapt), ADPT_ARG(intended_iface));
					/* allow only intended_iface to do scan for 2000 ms */
					rtw_mi_set_scan_deny(adapt, 2000);
					rtw_clear_scan_deny(intended_iface);
				}
			}
			break;
		case P2P_INVIT_RESP:
			if (pwdev_priv->invit_info.flags & BIT(0)
				&& pwdev_priv->invit_info.status == 0
			) {
				RTW_INFO(FUNC_ADPT_FMT" agree with invitation of persistent group\n",
					FUNC_ADPT_ARG(adapt));
				rtw_mi_buddy_set_scan_deny(adapt, 5000);
				rtw_pwr_wakeup_ex(adapt, 5000);
			}
			break;
		}
	}

cancel_ps_deny:
	rtw_ps_deny_cancel(adapt, PS_DENY_MGNT_TX);
exit:
	return ret;
}

#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0)
static void cfg80211_rtw_mgmt_frame_register(struct wiphy *wiphy,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
	struct wireless_dev *wdev,
#else
	struct net_device *ndev,
#endif
	u16 frame_type, bool reg)
{
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
	struct net_device *ndev = wdev_to_ndev(wdev);
#endif
	struct adapter *adapter;

	struct rtw_wdev_priv *pwdev_priv;

	if (!ndev)
		goto exit;

	adapter = (struct adapter *)rtw_netdev_priv(ndev);
	pwdev_priv = adapter_wdev_data(adapter);

	/* Wait QC Verify */
	return;

	switch (frame_type) {
	case IEEE80211_STYPE_PROBE_REQ: /* 0x0040 */
		SET_CFG80211_REPORT_MGMT(pwdev_priv, IEEE80211_STYPE_PROBE_REQ, reg);
		break;
	case IEEE80211_STYPE_ACTION: /* 0x00D0 */
		SET_CFG80211_REPORT_MGMT(pwdev_priv, IEEE80211_STYPE_ACTION, reg);
		break;
	default:
		break;
	}

exit:
	return;
}
#endif

static int rtw_cfg80211_set_beacon_wpsp2pie(struct net_device *ndev, char *buf, int len)
{
	int ret = 0;
	uint wps_ielen = 0;
	u8 *wps_ie;
	u32	p2p_ielen = 0;
	u8 wps_oui[8] = {0x0, 0x50, 0xf2, 0x04};
	u8 *p2p_ie;
	u32	wfd_ielen = 0;
	u8 *wfd_ie;
	struct adapter *adapt = (struct adapter *)rtw_netdev_priv(ndev);
	struct mlme_priv *pmlmepriv = &(adapt->mlmepriv);
	struct mlme_ext_priv *pmlmeext = &(adapt->mlmeextpriv);

	RTW_INFO(FUNC_NDEV_FMT" ielen=%d\n", FUNC_NDEV_ARG(ndev), len);

	if (len > 0) {
		wps_ie = rtw_get_wps_ie(buf, len, NULL, &wps_ielen);
		if (wps_ie) {
			if (pmlmepriv->wps_beacon_ie) {
				u32 free_len = pmlmepriv->wps_beacon_ie_len;
				pmlmepriv->wps_beacon_ie_len = 0;
				rtw_mfree(pmlmepriv->wps_beacon_ie, free_len);
				pmlmepriv->wps_beacon_ie = NULL;
			}

			pmlmepriv->wps_beacon_ie = rtw_malloc(wps_ielen);
			if (!pmlmepriv->wps_beacon_ie) {
				RTW_INFO("%s()-%d: rtw_malloc() ERROR!\n", __func__, __LINE__);
				return -EINVAL;

			}

			memcpy(pmlmepriv->wps_beacon_ie, wps_ie, wps_ielen);
			pmlmepriv->wps_beacon_ie_len = wps_ielen;

			update_beacon(adapt, _VENDOR_SPECIFIC_IE_, wps_oui, true);

		}

		/* buf += wps_ielen; */
		/* len -= wps_ielen; */

		p2p_ie = rtw_get_p2p_ie(buf, len, NULL, &p2p_ielen);
		if (p2p_ie) {
			if (pmlmepriv->p2p_beacon_ie) {
				u32 free_len = pmlmepriv->p2p_beacon_ie_len;
				pmlmepriv->p2p_beacon_ie_len = 0;
				rtw_mfree(pmlmepriv->p2p_beacon_ie, free_len);
				pmlmepriv->p2p_beacon_ie = NULL;
			}

			pmlmepriv->p2p_beacon_ie = rtw_malloc(p2p_ielen);
			if (!pmlmepriv->p2p_beacon_ie) {
				RTW_INFO("%s()-%d: rtw_malloc() ERROR!\n", __func__, __LINE__);
				return -EINVAL;

			}

			memcpy(pmlmepriv->p2p_beacon_ie, p2p_ie, p2p_ielen);
			pmlmepriv->p2p_beacon_ie_len = p2p_ielen;

		}

		wfd_ie = rtw_get_wfd_ie(buf, len, NULL, &wfd_ielen);
		if (wfd_ie) {
			if (rtw_mlme_update_wfd_ie_data(pmlmepriv, MLME_BEACON_IE, wfd_ie, wfd_ielen) != _SUCCESS)
				return -EINVAL;
		}
		pmlmeext->bstart_bss = true;
	}
	return ret;
}

static int rtw_cfg80211_set_probe_resp_wpsp2pie(struct net_device *net, char *buf, int len)
{
	int ret = 0;
	uint wps_ielen = 0;
	u8 *wps_ie;
	u32	p2p_ielen = 0;
	u8 *p2p_ie;
	u32	wfd_ielen = 0;
	u8 *wfd_ie;
	struct adapter *adapt = (struct adapter *)rtw_netdev_priv(net);
	struct mlme_priv *pmlmepriv = &(adapt->mlmepriv);
	__le16 le_tmp;

	if (len > 0) {
		wps_ie = rtw_get_wps_ie(buf, len, NULL, &wps_ielen);
		if (wps_ie) {
			uint	attr_contentlen = 0;
			__be16	uconfig_method, *puconfig_method = NULL;

			if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
				u8 sr = 0;
				rtw_get_wps_attr_content(wps_ie,  wps_ielen, WPS_ATTR_SELECTED_REGISTRAR, (u8 *)(&sr), NULL);

				if (sr != 0)
					RTW_INFO("%s, got sr\n", __func__);
				else {
					RTW_INFO("GO mode process WPS under site-survey,  sr no set\n");
					return ret;
				}
			}

			if (pmlmepriv->wps_probe_resp_ie) {
				u32 free_len = pmlmepriv->wps_probe_resp_ie_len;
				pmlmepriv->wps_probe_resp_ie_len = 0;
				rtw_mfree(pmlmepriv->wps_probe_resp_ie, free_len);
				pmlmepriv->wps_probe_resp_ie = NULL;
			}

			pmlmepriv->wps_probe_resp_ie = rtw_malloc(wps_ielen);
			if (!pmlmepriv->wps_probe_resp_ie) {
				RTW_INFO("%s()-%d: rtw_malloc() ERROR!\n", __func__, __LINE__);
				return -EINVAL;

			}

			/* add PUSH_BUTTON config_method by driver self in wpsie of probe_resp at GO Mode */
			puconfig_method = (__be16 *)rtw_get_wps_attr_content(wps_ie, wps_ielen, WPS_ATTR_CONF_METHOD , NULL, &attr_contentlen);
			if (puconfig_method) {
				struct wireless_dev *wdev = adapt->rtw_wdev;

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
				/* for WIFI-DIRECT LOGO 4.2.2, AUTO GO can't set PUSH_BUTTON flags */
				if (wdev->iftype == NL80211_IFTYPE_P2P_GO) {
					uconfig_method = cpu_to_be16(WPS_CM_PUSH_BUTTON);
					*puconfig_method &= ~uconfig_method;
				}
			}
#endif
			memcpy(pmlmepriv->wps_probe_resp_ie, wps_ie, wps_ielen);
			pmlmepriv->wps_probe_resp_ie_len = wps_ielen;

		}

		/* buf += wps_ielen; */
		/* len -= wps_ielen; */

		p2p_ie = rtw_get_p2p_ie(buf, len, NULL, &p2p_ielen);
		if (p2p_ie) {
			u8 is_GO = false;
			u32 attr_contentlen = 0;
			u16 cap_attr = 0;

			/* Check P2P Capability ATTR */
			if (rtw_get_p2p_attr_content(p2p_ie, p2p_ielen, P2P_ATTR_CAPABILITY, (u8 *)&le_tmp, (uint *) &attr_contentlen)) {
				u8 grp_cap;

				cap_attr = le16_to_cpu(le_tmp);
				grp_cap = (u8)((cap_attr >> 8) & 0xff);

				is_GO = (grp_cap & BIT(0)) ? true : false;

				if (is_GO)
					RTW_INFO("Got P2P Capability Attr, grp_cap=0x%x, is_GO\n", grp_cap);
			}


			if (!is_GO) {
				if (pmlmepriv->p2p_probe_resp_ie) {
					u32 free_len = pmlmepriv->p2p_probe_resp_ie_len;
					pmlmepriv->p2p_probe_resp_ie_len = 0;
					rtw_mfree(pmlmepriv->p2p_probe_resp_ie, free_len);
					pmlmepriv->p2p_probe_resp_ie = NULL;
				}

				pmlmepriv->p2p_probe_resp_ie = rtw_malloc(p2p_ielen);
				if (!pmlmepriv->p2p_probe_resp_ie) {
					RTW_INFO("%s()-%d: rtw_malloc() ERROR!\n", __func__, __LINE__);
					return -EINVAL;

				}
				memcpy(pmlmepriv->p2p_probe_resp_ie, p2p_ie, p2p_ielen);
				pmlmepriv->p2p_probe_resp_ie_len = p2p_ielen;
			} else {
				if (pmlmepriv->p2p_go_probe_resp_ie) {
					u32 free_len = pmlmepriv->p2p_go_probe_resp_ie_len;
					pmlmepriv->p2p_go_probe_resp_ie_len = 0;
					rtw_mfree(pmlmepriv->p2p_go_probe_resp_ie, free_len);
					pmlmepriv->p2p_go_probe_resp_ie = NULL;
				}

				pmlmepriv->p2p_go_probe_resp_ie = rtw_malloc(p2p_ielen);
				if (!pmlmepriv->p2p_go_probe_resp_ie) {
					RTW_INFO("%s()-%d: rtw_malloc() ERROR!\n", __func__, __LINE__);
					return -EINVAL;

				}
				memcpy(pmlmepriv->p2p_go_probe_resp_ie, p2p_ie, p2p_ielen);
				pmlmepriv->p2p_go_probe_resp_ie_len = p2p_ielen;
			}

		}

		wfd_ie = rtw_get_wfd_ie(buf, len, NULL, &wfd_ielen);
		if (wfd_ie) {
			if (rtw_mlme_update_wfd_ie_data(pmlmepriv, MLME_PROBE_RESP_IE, wfd_ie, wfd_ielen) != _SUCCESS)
				return -EINVAL;
		}
	}

	return ret;
}

static int rtw_cfg80211_set_assoc_resp_wpsp2pie(struct net_device *net, char *buf, int len)
{
	int ret = 0;
	struct adapter *adapt = (struct adapter *)rtw_netdev_priv(net);
	struct mlme_priv *pmlmepriv = &(adapt->mlmepriv);
	u8 *ie;
	u32 ie_len;

	RTW_INFO("%s, ielen=%d\n", __func__, len);

	if (len <= 0)
		goto exit;

	ie = rtw_get_wps_ie(buf, len, NULL, &ie_len);
	if (ie && ie_len) {
		if (pmlmepriv->wps_assoc_resp_ie) {
			u32 free_len = pmlmepriv->wps_assoc_resp_ie_len;

			pmlmepriv->wps_assoc_resp_ie_len = 0;
			rtw_mfree(pmlmepriv->wps_assoc_resp_ie, free_len);
			pmlmepriv->wps_assoc_resp_ie = NULL;
		}

		pmlmepriv->wps_assoc_resp_ie = rtw_malloc(ie_len);
		if (!pmlmepriv->wps_assoc_resp_ie) {
			RTW_INFO("%s()-%d: rtw_malloc() ERROR!\n", __func__, __LINE__);
			return -EINVAL;
		}
		memcpy(pmlmepriv->wps_assoc_resp_ie, ie, ie_len);
		pmlmepriv->wps_assoc_resp_ie_len = ie_len;
	}

	ie = rtw_get_p2p_ie(buf, len, NULL, &ie_len);
	if (ie && ie_len) {
		if (pmlmepriv->p2p_assoc_resp_ie) {
			u32 free_len = pmlmepriv->p2p_assoc_resp_ie_len;

			pmlmepriv->p2p_assoc_resp_ie_len = 0;
			rtw_mfree(pmlmepriv->p2p_assoc_resp_ie, free_len);
			pmlmepriv->p2p_assoc_resp_ie = NULL;
		}

		pmlmepriv->p2p_assoc_resp_ie = rtw_malloc(ie_len);
		if (!pmlmepriv->p2p_assoc_resp_ie) {
			RTW_INFO("%s()-%d: rtw_malloc() ERROR!\n", __func__, __LINE__);
			return -EINVAL;
		}
		memcpy(pmlmepriv->p2p_assoc_resp_ie, ie, ie_len);
		pmlmepriv->p2p_assoc_resp_ie_len = ie_len;
	}

	ie = rtw_get_wfd_ie(buf, len, NULL, &ie_len);
	if (rtw_mlme_update_wfd_ie_data(pmlmepriv, MLME_ASSOC_RESP_IE, ie, ie_len) != _SUCCESS)
		return -EINVAL;

exit:
	return ret;
}

int rtw_cfg80211_set_mgnt_wpsp2pie(struct net_device *net, char *buf, int len,
	int type)
{
	int ret = 0;
	uint wps_ielen = 0;
	u32	p2p_ielen = 0;

	if ((rtw_get_wps_ie(buf, len, NULL, &wps_ielen) && (wps_ielen > 0)) ||
	    (rtw_get_p2p_ie(buf, len, NULL, &p2p_ielen) && (p2p_ielen > 0))) {
		if (net) {
			switch (type) {
			case 0x1: /* BEACON */
				ret = rtw_cfg80211_set_beacon_wpsp2pie(net, buf, len);
				break;
			case 0x2: /* PROBE_RESP */
				ret = rtw_cfg80211_set_probe_resp_wpsp2pie(net, buf, len);
				if (ret == 0)
					adapter_wdev_data((struct adapter *)rtw_netdev_priv(net))->probe_resp_ie_update_time = rtw_get_current_time();
				break;
			case 0x4: /* ASSOC_RESP */
				ret = rtw_cfg80211_set_assoc_resp_wpsp2pie(net, buf, len);
				break;
			}
		}
	}

	return ret;

}

static void rtw_cfg80211_init_ht_capab_ex(struct adapter *adapt
	, struct ieee80211_sta_ht_cap *ht_cap, enum BAND_TYPE band, u8 rf_type)
{
	struct registry_priv *pregistrypriv = &adapt->registrypriv;
	struct mlme_priv	*pmlmepriv = &adapt->mlmepriv;
	struct ht_priv		*phtpriv = &pmlmepriv->htpriv;
	u8 stbc_rx_enable = false;

	rtw_ht_use_default_setting(adapt);

	/* RX LDPC */
	if (TEST_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_RX))
		ht_cap->cap |= IEEE80211_HT_CAP_LDPC_CODING;

	/* TX STBC */
	if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX))
		ht_cap->cap |= IEEE80211_HT_CAP_TX_STBC;

	/* RX STBC */
	if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX)) {
		/*rtw_rx_stbc 0: disable, bit(0):enable 2.4g, bit(1):enable 5g*/
		if (band == BAND_ON_2_4G)
			stbc_rx_enable = (pregistrypriv->rx_stbc & BIT(0)) ? true : false;

		if (stbc_rx_enable) {
			switch (rf_type) {
			case RF_1T1R:
				ht_cap->cap |= IEEE80211_HT_CAP_RX_STBC_1R;/*RX STBC One spatial stream*/
				break;

			case RF_2T2R:
			case RF_1T2R:
				ht_cap->cap |= IEEE80211_HT_CAP_RX_STBC_1R;/* Only one spatial-stream STBC RX is supported */
				break;
			case RF_3T3R:
			case RF_3T4R:
			case RF_4T4R:
				ht_cap->cap |= IEEE80211_HT_CAP_RX_STBC_1R;/* Only one spatial-stream STBC RX is supported */
				break;
			default:
				RTW_INFO("[warning] rf_type %d is not expected\n", rf_type);
				break;
			}
		}
	}
}

static void rtw_cfg80211_init_ht_capab(struct adapter *adapt
	, struct ieee80211_sta_ht_cap *ht_cap, enum BAND_TYPE band, u8 rf_type)
{
	struct hal_spec_t *hal_spec = GET_HAL_SPEC(adapt);
	u8 rx_nss = 0;

	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;
	rtw_cfg80211_init_ht_capab_ex(adapt, ht_cap, band, rf_type);

	/*
	 *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;

	rx_nss = rtw_min(rf_type_to_rf_rx_cnt(rf_type), hal_spec->rx_nss_num);
	switch (rx_nss) {
	case 1:
		ht_cap->mcs.rx_mask[0] = 0xFF;
		break;
	case 2:
		ht_cap->mcs.rx_mask[0] = 0xFF;
		ht_cap->mcs.rx_mask[1] = 0xFF;
		break;
	case 3:
		ht_cap->mcs.rx_mask[0] = 0xFF;
		ht_cap->mcs.rx_mask[1] = 0xFF;
		ht_cap->mcs.rx_mask[2] = 0xFF;
		break;
	case 4:
		ht_cap->mcs.rx_mask[0] = 0xFF;
		ht_cap->mcs.rx_mask[1] = 0xFF;
		ht_cap->mcs.rx_mask[2] = 0xFF;
		ht_cap->mcs.rx_mask[3] = 0xFF;
		break;
	default:
		rtw_warn_on(1);
		RTW_INFO("%s, error rf_type=%d\n", __func__, rf_type);
	};

	ht_cap->mcs.rx_highest = cpu_to_le16(
		rtw_mcs_rate(rf_type
			, hal_is_bw_support(adapt, CHANNEL_WIDTH_40)
			, hal_is_bw_support(adapt, CHANNEL_WIDTH_40) ? ht_cap->cap & IEEE80211_HT_CAP_SGI_40 : ht_cap->cap & IEEE80211_HT_CAP_SGI_20
			, ht_cap->mcs.rx_mask) / 10);
}

void rtw_cfg80211_init_wdev_data(struct adapter *adapt)
{
#ifdef CONFIG_CONCURRENT_MODE
	struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(adapt);

	ATOMIC_SET(&pwdev_priv->switch_ch_to, 1);
#endif
}

void rtw_cfg80211_init_wiphy(struct adapter *adapt)
{
	u8 rf_type;
	struct ieee80211_supported_band *band;
	struct wireless_dev *pwdev = adapt->rtw_wdev;
	struct wiphy *wiphy = pwdev->wiphy;

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

	RTW_INFO("%s:rf_type=%d\n", __func__, rf_type);

	if (IsSupported24G(adapt->registrypriv.wireless_mode)) {
		band = wiphy->bands[NL80211_BAND_2GHZ];
		if (band)
			rtw_cfg80211_init_ht_capab(adapt, &band->ht_cap, BAND_ON_2_4G, rf_type);
	}
	/* init regulary domain */
	rtw_regd_init(adapt);

	/* copy mac_addr to wiphy */
	memcpy(wiphy->perm_addr, adapter_mac_addr(adapt), ETH_ALEN);
}

static void rtw_cfg80211_preinit_wiphy(struct adapter *adapter, struct wiphy *wiphy)
{
	struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
	struct registry_priv *regsty = dvobj_to_regsty(dvobj);

	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;

#if CONFIG_RTW_MACADDR_ACL && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0))
	wiphy->max_acl_mac_addrs = NUM_ACL;
#endif

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 38)) || defined(COMPAT_KERNEL_RELEASE)
	wiphy->max_remain_on_channel_duration = RTW_MAX_REMAIN_ON_CHANNEL_DURATION;
#endif

	wiphy->interface_modes =	BIT(NL80211_IFTYPE_STATION)
								| BIT(NL80211_IFTYPE_ADHOC)
								| BIT(NL80211_IFTYPE_AP)
								| BIT(NL80211_IFTYPE_MONITOR)
#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE))
								| BIT(NL80211_IFTYPE_P2P_CLIENT)
								| BIT(NL80211_IFTYPE_P2P_GO)
#endif
								;

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
	wiphy->mgmt_stypes = rtw_cfg80211_default_mgmt_stypes;
#endif

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0))
	wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR);
#endif

#if defined(RTW_SINGLE_WIPHY) && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0))
	wiphy->iface_combinations = rtw_combinations;
	wiphy->n_iface_combinations = ARRAY_SIZE(rtw_combinations);
#endif

	wiphy->cipher_suites = rtw_cipher_suites;
	wiphy->n_cipher_suites = ARRAY_SIZE(rtw_cipher_suites);

	if (IsSupported24G(adapter->registrypriv.wireless_mode))
		wiphy->bands[NL80211_BAND_2GHZ] = rtw_spt_band_alloc(BAND_ON_2_4G);

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 38) && LINUX_VERSION_CODE < KERNEL_VERSION(3, 0, 0))
	wiphy->flags |= WIPHY_FLAG_SUPPORTS_SEPARATE_DEFAULT_KEYS;
#endif

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 3, 0))
	wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
	wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME;
	/* remove WIPHY_FLAG_OFFCHAN_TX, because we not support this feature */
	/* wiphy->flags |= WIPHY_FLAG_OFFCHAN_TX | WIPHY_FLAG_HAVE_AP_SME; */
#endif

#if defined(CONFIG_PM) && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0) && \
			   LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0))
	wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
#endif

#if defined(CONFIG_PM) && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 0))
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0))
	wiphy->wowlan = wowlan_stub;
#else
	wiphy->wowlan = &wowlan_stub;
#endif
#endif
	if (regsty->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,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 30))
	.set_default_mgmt_key = cfg80211_rtw_set_default_mgmt_key,
#endif
#if defined(CONFIG_GTK_OL) && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0))
	.set_rekey_data = cfg80211_rtw_set_rekey_data,
#endif /*CONFIG_GTK_OL*/
	.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,

#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0)) && !defined(COMPAT_KERNEL_RELEASE)
	.add_beacon = cfg80211_rtw_add_beacon,
	.set_beacon = cfg80211_rtw_set_beacon,
	.del_beacon = cfg80211_rtw_del_beacon,
#else
	.start_ap = cfg80211_rtw_start_ap,
	.change_beacon = cfg80211_rtw_change_beacon,
	.stop_ap = cfg80211_rtw_stop_ap,
#endif

#if CONFIG_RTW_MACADDR_ACL && (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0))
	.set_mac_acl = cfg80211_rtw_set_mac_acl,
#endif

	.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,
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 6, 0))
	.set_channel = cfg80211_rtw_set_channel,
#endif
	/* .auth = cfg80211_rtw_auth, */
	/* .assoc = cfg80211_rtw_assoc,	 */

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0))
	.set_monitor_channel = cfg80211_rtw_set_monitor_channel,
#endif

	.remain_on_channel = cfg80211_rtw_remain_on_channel,
	.cancel_remain_on_channel = cfg80211_rtw_cancel_remain_on_channel,

#ifdef CONFIG_RTW_80211R
	.update_ft_ies = cfg80211_rtw_update_ft_ies,
#endif

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 37)) || defined(COMPAT_KERNEL_RELEASE)
	.mgmt_tx = cfg80211_rtw_mgmt_tx,
#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0)
	.mgmt_frame_register = cfg80211_rtw_mgmt_frame_register,
#endif
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 34) && LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35))
	.action = cfg80211_rtw_mgmt_tx,
#endif
};

struct wiphy *rtw_wiphy_alloc(struct adapter *adapt, struct device *dev)
{
	struct wiphy *wiphy;
	struct rtw_wiphy_data *wiphy_data;

	/* wiphy */
	wiphy = wiphy_new(&rtw_cfg80211_ops, sizeof(struct rtw_wiphy_data));
	if (!wiphy) {
		RTW_INFO("Couldn't allocate wiphy device\n");
		goto exit;
	}
	set_wiphy_dev(wiphy, dev);

	/* wiphy_data */
	wiphy_data = rtw_wiphy_priv(wiphy);
	wiphy_data->dvobj = adapter_to_dvobj(adapt);
#ifndef RTW_SINGLE_WIPHY
	wiphy_data->adapter = adapt;
#endif

	rtw_cfg80211_preinit_wiphy(adapt, wiphy);

	RTW_INFO(FUNC_WIPHY_FMT"\n", FUNC_WIPHY_ARG(wiphy));

exit:
	return wiphy;
}

void rtw_wiphy_free(struct wiphy *wiphy)
{
	if (!wiphy)
		return;

	RTW_INFO(FUNC_WIPHY_FMT"\n", FUNC_WIPHY_ARG(wiphy));

	if (wiphy->bands[NL80211_BAND_2GHZ]) {
		rtw_spt_band_free(wiphy->bands[NL80211_BAND_2GHZ]);
		wiphy->bands[NL80211_BAND_2GHZ] = NULL;
	}
	wiphy_free(wiphy);
}

int rtw_wiphy_register(struct wiphy *wiphy)
{
	RTW_INFO(FUNC_WIPHY_FMT"\n", FUNC_WIPHY_ARG(wiphy));

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) || defined(RTW_VENDOR_EXT_SUPPORT)
	rtw_cfgvendor_attach(wiphy);
#endif

	return wiphy_register(wiphy);
}

void rtw_wiphy_unregister(struct wiphy *wiphy)
{
	RTW_INFO(FUNC_WIPHY_FMT"\n", FUNC_WIPHY_ARG(wiphy));

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0)) || defined(RTW_VENDOR_EXT_SUPPORT)
	rtw_cfgvendor_detach(wiphy);
#endif

	return wiphy_unregister(wiphy);
}

int rtw_wdev_alloc(struct adapter *adapt, struct wiphy *wiphy)
{
	int ret = 0;
	struct net_device *pnetdev = adapt->pnetdev;
	struct wireless_dev *wdev;
	struct rtw_wdev_priv *pwdev_priv;

	RTW_INFO("%s(adapt=%p)\n", __func__, adapt);

	/*  wdev */
	wdev = (struct wireless_dev *)rtw_zmalloc(sizeof(struct wireless_dev));
	if (!wdev) {
		RTW_INFO("Couldn't allocate wireless device\n");
		ret = -ENOMEM;
		goto exit;
	}
	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 */
	/* wdev->iftype = NL80211_IFTYPE_MONITOR; */ /* for rtw_setopmode_cmd() in cfg80211_rtw_change_iface() */
	adapt->rtw_wdev = wdev;
	pnetdev->ieee80211_ptr = wdev;

	/* init pwdev_priv */
	pwdev_priv = adapter_wdev_data(adapt);
	pwdev_priv->rtw_wdev = wdev;
	pwdev_priv->pmon_ndev = NULL;
	pwdev_priv->ifname_mon[0] = '\0';
	pwdev_priv->adapt = adapt;
	pwdev_priv->scan_request = NULL;
	spin_lock_init(&pwdev_priv->scan_req_lock);
	pwdev_priv->connect_req = NULL;
	spin_lock_init(&pwdev_priv->connect_req_lock);

	pwdev_priv->p2p_enabled = false;
	pwdev_priv->probe_resp_ie_update_time = rtw_get_current_time();
	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 (adapt->registrypriv.power_mgnt != PS_MODE_ACTIVE)
		pwdev_priv->power_mgmt = true;
	else
		pwdev_priv->power_mgmt = false;

	_rtw_mutex_init(&pwdev_priv->roch_mutex);

#ifdef CONFIG_CONCURRENT_MODE
	ATOMIC_SET(&pwdev_priv->switch_ch_to, 1);
#endif

exit:
	return ret;
}

void rtw_wdev_free(struct wireless_dev *wdev)
{
	if (!wdev)
		return;

	RTW_INFO("%s(wdev=%p)\n", __func__, wdev);

	if (wdev_to_ndev(wdev)) {
		struct adapter *adapter = (struct adapter *)rtw_netdev_priv(wdev_to_ndev(wdev));
		struct rtw_wdev_priv *wdev_priv = adapter_wdev_data(adapter);
		unsigned long irqL;

		_enter_critical_bh(&wdev_priv->connect_req_lock, &irqL);
		rtw_wdev_free_connect_req(wdev_priv);
		_exit_critical_bh(&wdev_priv->connect_req_lock, &irqL);

		_rtw_mutex_free(&wdev_priv->roch_mutex);
	}

	rtw_mfree((u8 *)wdev, sizeof(struct wireless_dev));
}

void rtw_wdev_unregister(struct wireless_dev *wdev)
{
	struct net_device *ndev;
	struct adapter *adapter;
	struct rtw_wdev_priv *pwdev_priv;

	if (!wdev)
		return;

	RTW_INFO("%s(wdev=%p)\n", __func__, wdev);

	ndev = wdev_to_ndev(wdev);
	if (!ndev)
		return;

	adapter = (struct adapter *)rtw_netdev_priv(ndev);
	pwdev_priv = adapter_wdev_data(adapter);

	rtw_cfg80211_indicate_scan_done(adapter, true);

	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)) || defined(COMPAT_KERNEL_RELEASE)
	if (wdev->current_bss) {
		RTW_INFO(FUNC_ADPT_FMT" clear current_bss by cfg80211_disconnected\n", FUNC_ADPT_ARG(adapter));
		rtw_cfg80211_indicate_disconnect(adapter, 0, 1);
	}
	#endif

	if (pwdev_priv->pmon_ndev) {
		RTW_INFO("%s, unregister monitor interface\n", __func__);
		unregister_netdev(pwdev_priv->pmon_ndev);
	}
}

int rtw_cfg80211_ndev_res_alloc(struct adapter *adapter)
{
	int ret = _FAIL;

#if !defined(RTW_SINGLE_WIPHY)
	struct wiphy *wiphy;
	struct device *dev = dvobj_to_dev(adapter_to_dvobj(adapter));

	wiphy = rtw_wiphy_alloc(adapter, dev);
	if (!wiphy)
		goto exit;

	adapter->wiphy = wiphy;
#endif

	if (rtw_wdev_alloc(adapter, adapter_to_wiphy(adapter)) == 0)
		ret = _SUCCESS;

#if !defined(RTW_SINGLE_WIPHY)
	if (ret != _SUCCESS) {
		rtw_wiphy_free(wiphy);
		adapter->wiphy = NULL;
	}
#endif

exit:
	return ret;
}

void rtw_cfg80211_ndev_res_free(struct adapter *adapter)
{
	rtw_wdev_free(adapter->rtw_wdev);
	adapter->rtw_wdev = NULL;
#if !defined(RTW_SINGLE_WIPHY)
	rtw_wiphy_free(adapter_to_wiphy(adapter));
	adapter->wiphy = NULL;
#endif
}

int rtw_cfg80211_ndev_res_register(struct adapter *adapter)
{
	int ret = _FAIL;

#if !defined(RTW_SINGLE_WIPHY)
	if (rtw_wiphy_register(adapter_to_wiphy(adapter)) < 0) {
		RTW_INFO("%s rtw_wiphy_register fail for if%d\n", __func__, (adapter->iface_id + 1));
		goto exit;
	}

#endif
	ret = _SUCCESS;

exit:
	return ret;
}

void rtw_cfg80211_ndev_res_unregister(struct adapter *adapter)
{
	rtw_wdev_unregister(adapter->rtw_wdev);
}

int rtw_cfg80211_dev_res_alloc(struct dvobj_priv *dvobj)
{
	int ret = _FAIL;

#if defined(RTW_SINGLE_WIPHY)
	struct wiphy *wiphy;
	struct device *dev = dvobj_to_dev(dvobj);

	wiphy = rtw_wiphy_alloc(dvobj_get_primary_adapter(dvobj), dev);
	if (!wiphy)
		goto exit;

	dvobj->wiphy = wiphy;
#endif

	ret = _SUCCESS;

#if defined(RTW_SINGLE_WIPHY)
exit:
#endif
	return ret;
}

void rtw_cfg80211_dev_res_free(struct dvobj_priv *dvobj)
{
#if defined(RTW_SINGLE_WIPHY)
	rtw_wiphy_free(dvobj_to_wiphy(dvobj));
	dvobj->wiphy = NULL;
#endif
}

int rtw_cfg80211_dev_res_register(struct dvobj_priv *dvobj)
{
	int ret = _FAIL;

#if defined(RTW_SINGLE_WIPHY)
	if (rtw_wiphy_register(dvobj_to_wiphy(dvobj)) != 0)
		goto exit;

#endif
	ret = _SUCCESS;

#if defined(RTW_SINGLE_WIPHY)
exit:
#endif
	return ret;
}

void rtw_cfg80211_dev_res_unregister(struct dvobj_priv *dvobj)
{
#if defined(RTW_SINGLE_WIPHY)
	rtw_wiphy_unregister(dvobj_to_wiphy(dvobj));
#endif
}
