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From:   <Ajay.Kathat@microchip.com>
To:     <linux-wireless@vger.kernel.org>
CC:     <devel@driverdev.osuosl.org>, <devicetree@vger.kernel.org>,
        <gregkh@linuxfoundation.org>, <johannes@sipsolutions.net>,
        <Adham.Abozaeid@microchip.com>, <Nicolas.Ferre@microchip.com>,
        <Claudiu.Beznea@microchip.com>, <Venkateswara.Kaja@microchip.com>,
        <Ajay.Kathat@microchip.com>
Subject: [PATCH v6 06/17] wilc1000: add cfg80211.c
Thread-Topic: [PATCH v6 06/17] wilc1000: add cfg80211.c
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Date:   Fri, 27 Mar 2020 06:33:12 +0000
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From: Ajay Singh <ajay.kathat@microchip.com>

Moved 'drivers/staging/wilc1000/cfg80211.c' to
'drivers/net/wireless/microchip/wilc1000/cfg80211.c'.

Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
---
 .../wireless/microchip/wilc1000/cfg80211.c    | 1849 +++++++++++++++++
 1 file changed, 1849 insertions(+)
 create mode 100644 drivers/net/wireless/microchip/wilc1000/cfg80211.c

diff --git a/drivers/net/wireless/microchip/wilc1000/cfg80211.c b/drivers/n=
et/wireless/microchip/wilc1000/cfg80211.c
new file mode 100644
index 000000000000..4bdcbc5fd2fd
--- /dev/null
+++ b/drivers/net/wireless/microchip/wilc1000/cfg80211.c
@@ -0,0 +1,1849 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiari=
es.
+ * All rights reserved.
+ */
+
+#include "cfg80211.h"
+
+#define GO_NEG_REQ			0x00
+#define GO_NEG_RSP			0x01
+#define GO_NEG_CONF			0x02
+#define P2P_INV_REQ			0x03
+#define P2P_INV_RSP			0x04
+
+#define WILC_INVALID_CHANNEL		0
+
+/* Operation at 2.4 GHz with channels 1-13 */
+#define WILC_WLAN_OPERATING_CLASS_2_4GHZ		0x51
+
+static const struct ieee80211_txrx_stypes
+	wilc_wfi_cfg80211_mgmt_types[NUM_NL80211_IFTYPES] =3D {
+	[NL80211_IFTYPE_STATION] =3D {
+		.tx =3D 0xffff,
+		.rx =3D BIT(IEEE80211_STYPE_ACTION >> 4) |
+			BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
+	},
+	[NL80211_IFTYPE_AP] =3D {
+		.tx =3D 0xffff,
+		.rx =3D 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] =3D {
+		.tx =3D 0xffff,
+		.rx =3D BIT(IEEE80211_STYPE_ACTION >> 4) |
+			BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
+			BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
+			BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
+			BIT(IEEE80211_STYPE_DISASSOC >> 4) |
+			BIT(IEEE80211_STYPE_AUTH >> 4) |
+			BIT(IEEE80211_STYPE_DEAUTH >> 4)
+	}
+};
+
+static const struct wiphy_wowlan_support wowlan_support =3D {
+	.flags =3D WIPHY_WOWLAN_ANY
+};
+
+struct wilc_p2p_mgmt_data {
+	int size;
+	u8 *buff;
+};
+
+struct wilc_p2p_pub_act_frame {
+	u8 category;
+	u8 action;
+	u8 oui[3];
+	u8 oui_type;
+	u8 oui_subtype;
+	u8 dialog_token;
+	u8 elem[];
+} __packed;
+
+struct wilc_vendor_specific_ie {
+	u8 tag_number;
+	u8 tag_len;
+	u8 oui[3];
+	u8 oui_type;
+	u8 attr[];
+} __packed;
+
+struct wilc_attr_entry {
+	u8  attr_type;
+	__le16 attr_len;
+	u8 val[];
+} __packed;
+
+struct wilc_attr_oper_ch {
+	u8 attr_type;
+	__le16 attr_len;
+	u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
+	u8 op_class;
+	u8 op_channel;
+} __packed;
+
+struct wilc_attr_ch_list {
+	u8 attr_type;
+	__le16 attr_len;
+	u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
+	u8 elem[];
+} __packed;
+
+struct wilc_ch_list_elem {
+	u8 op_class;
+	u8 no_of_channels;
+	u8 ch_list[];
+} __packed;
+
+static void cfg_scan_result(enum scan_event scan_event,
+			    struct wilc_rcvd_net_info *info, void *user_void)
+{
+	struct wilc_priv *priv =3D user_void;
+
+	if (!priv->cfg_scanning)
+		return;
+
+	if (scan_event =3D=3D SCAN_EVENT_NETWORK_FOUND) {
+		s32 freq;
+		struct ieee80211_channel *channel;
+		struct cfg80211_bss *bss;
+		struct wiphy *wiphy =3D priv->dev->ieee80211_ptr->wiphy;
+
+		if (!wiphy || !info)
+			return;
+
+		freq =3D ieee80211_channel_to_frequency((s32)info->ch,
+						      NL80211_BAND_2GHZ);
+		channel =3D ieee80211_get_channel(wiphy, freq);
+		if (!channel)
+			return;
+
+		bss =3D cfg80211_inform_bss_frame(wiphy, channel, info->mgmt,
+						info->frame_len,
+						(s32)info->rssi * 100,
+						GFP_KERNEL);
+		if (!bss)
+			cfg80211_put_bss(wiphy, bss);
+	} else if (scan_event =3D=3D SCAN_EVENT_DONE) {
+		mutex_lock(&priv->scan_req_lock);
+
+		if (priv->scan_req) {
+			struct cfg80211_scan_info info =3D {
+				.aborted =3D false,
+			};
+
+			cfg80211_scan_done(priv->scan_req, &info);
+			priv->cfg_scanning =3D false;
+			priv->scan_req =3D NULL;
+		}
+		mutex_unlock(&priv->scan_req_lock);
+	} else if (scan_event =3D=3D SCAN_EVENT_ABORTED) {
+		mutex_lock(&priv->scan_req_lock);
+
+		if (priv->scan_req) {
+			struct cfg80211_scan_info info =3D {
+				.aborted =3D false,
+			};
+
+			cfg80211_scan_done(priv->scan_req, &info);
+			priv->cfg_scanning =3D false;
+			priv->scan_req =3D NULL;
+		}
+		mutex_unlock(&priv->scan_req_lock);
+	}
+}
+
+static void cfg_connect_result(enum conn_event conn_disconn_evt, u8 mac_st=
atus,
+			       void *priv_data)
+{
+	struct wilc_priv *priv =3D priv_data;
+	struct net_device *dev =3D priv->dev;
+	struct wilc_vif *vif =3D netdev_priv(dev);
+	struct wilc *wl =3D vif->wilc;
+	struct host_if_drv *wfi_drv =3D priv->hif_drv;
+	struct wilc_conn_info *conn_info =3D &wfi_drv->conn_info;
+	struct wiphy *wiphy =3D dev->ieee80211_ptr->wiphy;
+
+	vif->connecting =3D false;
+
+	if (conn_disconn_evt =3D=3D CONN_DISCONN_EVENT_CONN_RESP) {
+		u16 connect_status =3D conn_info->status;
+
+		if (mac_status =3D=3D WILC_MAC_STATUS_DISCONNECTED &&
+		    connect_status =3D=3D WLAN_STATUS_SUCCESS) {
+			connect_status =3D WLAN_STATUS_UNSPECIFIED_FAILURE;
+			wilc_wlan_set_bssid(priv->dev, NULL, WILC_STATION_MODE);
+
+			if (vif->iftype !=3D WILC_CLIENT_MODE)
+				wl->sta_ch =3D WILC_INVALID_CHANNEL;
+
+			netdev_err(dev, "Unspecified failure\n");
+		}
+
+		if (connect_status =3D=3D WLAN_STATUS_SUCCESS)
+			memcpy(priv->associated_bss, conn_info->bssid,
+			       ETH_ALEN);
+
+		cfg80211_ref_bss(wiphy, vif->bss);
+		cfg80211_connect_bss(dev, conn_info->bssid, vif->bss,
+				     conn_info->req_ies,
+				     conn_info->req_ies_len,
+				     conn_info->resp_ies,
+				     conn_info->resp_ies_len,
+				     connect_status, GFP_KERNEL,
+				     NL80211_TIMEOUT_UNSPECIFIED);
+
+		vif->bss =3D NULL;
+	} else if (conn_disconn_evt =3D=3D CONN_DISCONN_EVENT_DISCONN_NOTIF) {
+		u16 reason =3D 0;
+
+		eth_zero_addr(priv->associated_bss);
+		wilc_wlan_set_bssid(priv->dev, NULL, WILC_STATION_MODE);
+
+		if (vif->iftype !=3D WILC_CLIENT_MODE) {
+			wl->sta_ch =3D WILC_INVALID_CHANNEL;
+		} else {
+			if (wfi_drv->ifc_up)
+				reason =3D 3;
+			else
+				reason =3D 1;
+		}
+
+		cfg80211_disconnected(dev, reason, NULL, 0, false, GFP_KERNEL);
+	}
+}
+
+struct wilc_vif *wilc_get_wl_to_vif(struct wilc *wl)
+{
+	struct wilc_vif *vif;
+
+	vif =3D list_first_or_null_rcu(&wl->vif_list, typeof(*vif), list);
+	if (!vif)
+		return ERR_PTR(-EINVAL);
+
+	return vif;
+}
+
+static int set_channel(struct wiphy *wiphy,
+		       struct cfg80211_chan_def *chandef)
+{
+	struct wilc *wl =3D wiphy_priv(wiphy);
+	struct wilc_vif *vif;
+	u32 channelnum;
+	int result;
+	int srcu_idx;
+
+	srcu_idx =3D srcu_read_lock(&wl->srcu);
+	vif =3D wilc_get_wl_to_vif(wl);
+	if (IS_ERR(vif)) {
+		srcu_read_unlock(&wl->srcu, srcu_idx);
+		return PTR_ERR(vif);
+	}
+
+	channelnum =3D ieee80211_frequency_to_channel(chandef->chan->center_freq)=
;
+
+	wl->op_ch =3D channelnum;
+	result =3D wilc_set_mac_chnl_num(vif, channelnum);
+	if (result)
+		netdev_err(vif->ndev, "Error in setting channel\n");
+
+	srcu_read_unlock(&wl->srcu, srcu_idx);
+	return result;
+}
+
+static int scan(struct wiphy *wiphy, struct cfg80211_scan_request *request=
)
+{
+	struct wilc_vif *vif =3D netdev_priv(request->wdev->netdev);
+	struct wilc_priv *priv =3D &vif->priv;
+	u32 i;
+	int ret =3D 0;
+	u8 scan_ch_list[WILC_MAX_NUM_SCANNED_CH];
+	u8 scan_type;
+
+	if (request->n_channels > WILC_MAX_NUM_SCANNED_CH) {
+		netdev_err(vif->ndev, "Requested scanned channels over\n");
+		return -EINVAL;
+	}
+
+	priv->scan_req =3D request;
+	priv->cfg_scanning =3D true;
+	for (i =3D 0; i < request->n_channels; i++) {
+		u16 freq =3D request->channels[i]->center_freq;
+
+		scan_ch_list[i] =3D ieee80211_frequency_to_channel(freq);
+	}
+
+	if (request->n_ssids)
+		scan_type =3D WILC_FW_ACTIVE_SCAN;
+	else
+		scan_type =3D WILC_FW_PASSIVE_SCAN;
+
+	ret =3D wilc_scan(vif, WILC_FW_USER_SCAN, scan_type, scan_ch_list,
+			request->n_channels, cfg_scan_result, (void *)priv,
+			request);
+
+	if (ret) {
+		priv->scan_req =3D NULL;
+		priv->cfg_scanning =3D false;
+	}
+
+	return ret;
+}
+
+static int connect(struct wiphy *wiphy, struct net_device *dev,
+		   struct cfg80211_connect_params *sme)
+{
+	struct wilc_vif *vif =3D netdev_priv(dev);
+	struct wilc_priv *priv =3D &vif->priv;
+	struct host_if_drv *wfi_drv =3D priv->hif_drv;
+	int ret;
+	u32 i;
+	u8 security =3D WILC_FW_SEC_NO;
+	enum authtype auth_type =3D WILC_FW_AUTH_ANY;
+	u32 cipher_group;
+	struct cfg80211_bss *bss;
+	void *join_params;
+	u8 ch;
+
+	vif->connecting =3D true;
+
+	memset(priv->wep_key, 0, sizeof(priv->wep_key));
+	memset(priv->wep_key_len, 0, sizeof(priv->wep_key_len));
+
+	cipher_group =3D sme->crypto.cipher_group;
+	if (cipher_group !=3D 0) {
+		if (cipher_group =3D=3D WLAN_CIPHER_SUITE_WEP40) {
+			security =3D WILC_FW_SEC_WEP;
+
+			priv->wep_key_len[sme->key_idx] =3D sme->key_len;
+			memcpy(priv->wep_key[sme->key_idx], sme->key,
+			       sme->key_len);
+
+			wilc_set_wep_default_keyid(vif, sme->key_idx);
+			wilc_add_wep_key_bss_sta(vif, sme->key, sme->key_len,
+						 sme->key_idx);
+		} else if (cipher_group =3D=3D WLAN_CIPHER_SUITE_WEP104) {
+			security =3D WILC_FW_SEC_WEP_EXTENDED;
+
+			priv->wep_key_len[sme->key_idx] =3D sme->key_len;
+			memcpy(priv->wep_key[sme->key_idx], sme->key,
+			       sme->key_len);
+
+			wilc_set_wep_default_keyid(vif, sme->key_idx);
+			wilc_add_wep_key_bss_sta(vif, sme->key, sme->key_len,
+						 sme->key_idx);
+		} else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) {
+			if (cipher_group =3D=3D WLAN_CIPHER_SUITE_TKIP)
+				security =3D WILC_FW_SEC_WPA2_TKIP;
+			else
+				security =3D WILC_FW_SEC_WPA2_AES;
+		} else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) {
+			if (cipher_group =3D=3D WLAN_CIPHER_SUITE_TKIP)
+				security =3D WILC_FW_SEC_WPA_TKIP;
+			else
+				security =3D WILC_FW_SEC_WPA_AES;
+		} else {
+			ret =3D -ENOTSUPP;
+			netdev_err(dev, "%s: Unsupported cipher\n",
+				   __func__);
+			goto out_error;
+		}
+	}
+
+	if ((sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) ||
+	    (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)) {
+		for (i =3D 0; i < sme->crypto.n_ciphers_pairwise; i++) {
+			u32 ciphers_pairwise =3D sme->crypto.ciphers_pairwise[i];
+
+			if (ciphers_pairwise =3D=3D WLAN_CIPHER_SUITE_TKIP)
+				security |=3D WILC_FW_TKIP;
+			else
+				security |=3D WILC_FW_AES;
+		}
+	}
+
+	switch (sme->auth_type) {
+	case NL80211_AUTHTYPE_OPEN_SYSTEM:
+		auth_type =3D WILC_FW_AUTH_OPEN_SYSTEM;
+		break;
+
+	case NL80211_AUTHTYPE_SHARED_KEY:
+		auth_type =3D WILC_FW_AUTH_SHARED_KEY;
+		break;
+
+	default:
+		break;
+	}
+
+	if (sme->crypto.n_akm_suites) {
+		if (sme->crypto.akm_suites[0] =3D=3D WLAN_AKM_SUITE_8021X)
+			auth_type =3D WILC_FW_AUTH_IEEE8021;
+	}
+
+	if (wfi_drv->usr_scan_req.scan_result) {
+		netdev_err(vif->ndev, "%s: Scan in progress\n", __func__);
+		ret =3D -EBUSY;
+		goto out_error;
+	}
+
+	bss =3D cfg80211_get_bss(wiphy, sme->channel, sme->bssid, sme->ssid,
+			       sme->ssid_len, IEEE80211_BSS_TYPE_ANY,
+			       IEEE80211_PRIVACY(sme->privacy));
+	if (!bss) {
+		ret =3D -EINVAL;
+		goto out_error;
+	}
+
+	if (ether_addr_equal_unaligned(vif->bssid, bss->bssid)) {
+		ret =3D -EALREADY;
+		goto out_put_bss;
+	}
+
+	join_params =3D wilc_parse_join_bss_param(bss, &sme->crypto);
+	if (!join_params) {
+		netdev_err(dev, "%s: failed to construct join param\n",
+			   __func__);
+		ret =3D -EINVAL;
+		goto out_put_bss;
+	}
+
+	ch =3D ieee80211_frequency_to_channel(bss->channel->center_freq);
+	vif->wilc->op_ch =3D ch;
+	if (vif->iftype !=3D WILC_CLIENT_MODE)
+		vif->wilc->sta_ch =3D ch;
+
+	wilc_wlan_set_bssid(dev, bss->bssid, WILC_STATION_MODE);
+
+	wfi_drv->conn_info.security =3D security;
+	wfi_drv->conn_info.auth_type =3D auth_type;
+	wfi_drv->conn_info.ch =3D ch;
+	wfi_drv->conn_info.conn_result =3D cfg_connect_result;
+	wfi_drv->conn_info.arg =3D priv;
+	wfi_drv->conn_info.param =3D join_params;
+
+	ret =3D wilc_set_join_req(vif, bss->bssid, sme->ie, sme->ie_len);
+	if (ret) {
+		netdev_err(dev, "wilc_set_join_req(): Error\n");
+		ret =3D -ENOENT;
+		if (vif->iftype !=3D WILC_CLIENT_MODE)
+			vif->wilc->sta_ch =3D WILC_INVALID_CHANNEL;
+		wilc_wlan_set_bssid(dev, NULL, WILC_STATION_MODE);
+		wfi_drv->conn_info.conn_result =3D NULL;
+		kfree(join_params);
+		goto out_put_bss;
+	}
+	kfree(join_params);
+	vif->bss =3D bss;
+	cfg80211_put_bss(wiphy, bss);
+	return 0;
+
+out_put_bss:
+	cfg80211_put_bss(wiphy, bss);
+
+out_error:
+	vif->connecting =3D false;
+	return ret;
+}
+
+static int disconnect(struct wiphy *wiphy, struct net_device *dev,
+		      u16 reason_code)
+{
+	struct wilc_vif *vif =3D netdev_priv(dev);
+	struct wilc_priv *priv =3D &vif->priv;
+	struct wilc *wilc =3D vif->wilc;
+	int ret;
+
+	vif->connecting =3D false;
+
+	if (!wilc)
+		return -EIO;
+
+	if (wilc->close) {
+		/* already disconnected done */
+		cfg80211_disconnected(dev, 0, NULL, 0, true, GFP_KERNEL);
+		return 0;
+	}
+
+	if (vif->iftype !=3D WILC_CLIENT_MODE)
+		wilc->sta_ch =3D WILC_INVALID_CHANNEL;
+	wilc_wlan_set_bssid(priv->dev, NULL, WILC_STATION_MODE);
+
+	priv->hif_drv->p2p_timeout =3D 0;
+
+	ret =3D wilc_disconnect(vif);
+	if (ret !=3D 0) {
+		netdev_err(priv->dev, "Error in disconnecting\n");
+		ret =3D -EINVAL;
+	}
+
+	vif->bss =3D NULL;
+
+	return ret;
+}
+
+static inline void wilc_wfi_cfg_copy_wep_info(struct wilc_priv *priv,
+					      u8 key_index,
+					      struct key_params *params)
+{
+	priv->wep_key_len[key_index] =3D params->key_len;
+	memcpy(priv->wep_key[key_index], params->key, params->key_len);
+}
+
+static int wilc_wfi_cfg_allocate_wpa_entry(struct wilc_priv *priv, u8 idx)
+{
+	if (!priv->wilc_gtk[idx]) {
+		priv->wilc_gtk[idx] =3D kzalloc(sizeof(*priv->wilc_gtk[idx]),
+					      GFP_KERNEL);
+		if (!priv->wilc_gtk[idx])
+			return -ENOMEM;
+	}
+
+	if (!priv->wilc_ptk[idx]) {
+		priv->wilc_ptk[idx] =3D kzalloc(sizeof(*priv->wilc_ptk[idx]),
+					      GFP_KERNEL);
+		if (!priv->wilc_ptk[idx])
+			return -ENOMEM;
+	}
+
+	return 0;
+}
+
+static int wilc_wfi_cfg_copy_wpa_info(struct wilc_wfi_key *key_info,
+				      struct key_params *params)
+{
+	kfree(key_info->key);
+
+	key_info->key =3D kmemdup(params->key, params->key_len, GFP_KERNEL);
+	if (!key_info->key)
+		return -ENOMEM;
+
+	kfree(key_info->seq);
+
+	if (params->seq_len > 0) {
+		key_info->seq =3D kmemdup(params->seq, params->seq_len,
+					GFP_KERNEL);
+		if (!key_info->seq)
+			return -ENOMEM;
+	}
+
+	key_info->cipher =3D params->cipher;
+	key_info->key_len =3D params->key_len;
+	key_info->seq_len =3D params->seq_len;
+
+	return 0;
+}
+
+static int add_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_=
index,
+		   bool pairwise, const u8 *mac_addr, struct key_params *params)
+
+{
+	int ret =3D 0, keylen =3D params->key_len;
+	const u8 *rx_mic =3D NULL;
+	const u8 *tx_mic =3D NULL;
+	u8 mode =3D WILC_FW_SEC_NO;
+	u8 op_mode;
+	struct wilc_vif *vif =3D netdev_priv(netdev);
+	struct wilc_priv *priv =3D &vif->priv;
+
+	switch (params->cipher) {
+	case WLAN_CIPHER_SUITE_WEP40:
+	case WLAN_CIPHER_SUITE_WEP104:
+		if (priv->wdev.iftype =3D=3D NL80211_IFTYPE_AP) {
+			wilc_wfi_cfg_copy_wep_info(priv, key_index, params);
+
+			if (params->cipher =3D=3D WLAN_CIPHER_SUITE_WEP40)
+				mode =3D WILC_FW_SEC_WEP;
+			else
+				mode =3D WILC_FW_SEC_WEP_EXTENDED;
+
+			ret =3D wilc_add_wep_key_bss_ap(vif, params->key,
+						      params->key_len,
+						      key_index, mode,
+						      WILC_FW_AUTH_OPEN_SYSTEM);
+			break;
+		}
+		if (memcmp(params->key, priv->wep_key[key_index],
+			   params->key_len)) {
+			wilc_wfi_cfg_copy_wep_info(priv, key_index, params);
+
+			ret =3D wilc_add_wep_key_bss_sta(vif, params->key,
+						       params->key_len,
+						       key_index);
+		}
+
+		break;
+
+	case WLAN_CIPHER_SUITE_TKIP:
+	case WLAN_CIPHER_SUITE_CCMP:
+		if (priv->wdev.iftype =3D=3D NL80211_IFTYPE_AP ||
+		    priv->wdev.iftype =3D=3D NL80211_IFTYPE_P2P_GO) {
+			struct wilc_wfi_key *key;
+
+			ret =3D wilc_wfi_cfg_allocate_wpa_entry(priv, key_index);
+			if (ret)
+				return -ENOMEM;
+
+			if (params->key_len > 16 &&
+			    params->cipher =3D=3D WLAN_CIPHER_SUITE_TKIP) {
+				tx_mic =3D params->key + 24;
+				rx_mic =3D params->key + 16;
+				keylen =3D params->key_len - 16;
+			}
+
+			if (!pairwise) {
+				if (params->cipher =3D=3D WLAN_CIPHER_SUITE_TKIP)
+					mode =3D WILC_FW_SEC_WPA_TKIP;
+				else
+					mode =3D WILC_FW_SEC_WPA2_AES;
+
+				priv->wilc_groupkey =3D mode;
+
+				key =3D priv->wilc_gtk[key_index];
+			} else {
+				if (params->cipher =3D=3D WLAN_CIPHER_SUITE_TKIP)
+					mode =3D WILC_FW_SEC_WPA_TKIP;
+				else
+					mode =3D priv->wilc_groupkey | WILC_FW_AES;
+
+				key =3D priv->wilc_ptk[key_index];
+			}
+			ret =3D wilc_wfi_cfg_copy_wpa_info(key, params);
+			if (ret)
+				return -ENOMEM;
+
+			op_mode =3D WILC_AP_MODE;
+		} else {
+			if (params->key_len > 16 &&
+			    params->cipher =3D=3D WLAN_CIPHER_SUITE_TKIP) {
+				rx_mic =3D params->key + 24;
+				tx_mic =3D params->key + 16;
+				keylen =3D params->key_len - 16;
+			}
+
+			op_mode =3D WILC_STATION_MODE;
+		}
+
+		if (!pairwise)
+			ret =3D wilc_add_rx_gtk(vif, params->key, keylen,
+					      key_index, params->seq_len,
+					      params->seq, rx_mic, tx_mic,
+					      op_mode, mode);
+		else
+			ret =3D wilc_add_ptk(vif, params->key, keylen, mac_addr,
+					   rx_mic, tx_mic, op_mode, mode,
+					   key_index);
+
+		break;
+
+	default:
+		netdev_err(netdev, "%s: Unsupported cipher\n", __func__);
+		ret =3D -ENOTSUPP;
+	}
+
+	return ret;
+}
+
+static int del_key(struct wiphy *wiphy, struct net_device *netdev,
+		   u8 key_index,
+		   bool pairwise,
+		   const u8 *mac_addr)
+{
+	struct wilc_vif *vif =3D netdev_priv(netdev);
+	struct wilc_priv *priv =3D &vif->priv;
+
+	if (priv->wilc_gtk[key_index]) {
+		kfree(priv->wilc_gtk[key_index]->key);
+		priv->wilc_gtk[key_index]->key =3D NULL;
+		kfree(priv->wilc_gtk[key_index]->seq);
+		priv->wilc_gtk[key_index]->seq =3D NULL;
+
+		kfree(priv->wilc_gtk[key_index]);
+		priv->wilc_gtk[key_index] =3D NULL;
+	}
+
+	if (priv->wilc_ptk[key_index]) {
+		kfree(priv->wilc_ptk[key_index]->key);
+		priv->wilc_ptk[key_index]->key =3D NULL;
+		kfree(priv->wilc_ptk[key_index]->seq);
+		priv->wilc_ptk[key_index]->seq =3D NULL;
+		kfree(priv->wilc_ptk[key_index]);
+		priv->wilc_ptk[key_index] =3D NULL;
+	}
+
+	if (key_index <=3D 3 && priv->wep_key_len[key_index]) {
+		memset(priv->wep_key[key_index], 0,
+		       priv->wep_key_len[key_index]);
+		priv->wep_key_len[key_index] =3D 0;
+		wilc_remove_wep_key(vif, key_index);
+	}
+
+	return 0;
+}
+
+static int get_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_=
index,
+		   bool pairwise, const u8 *mac_addr, void *cookie,
+		   void (*callback)(void *cookie, struct key_params *))
+{
+	struct wilc_vif *vif =3D netdev_priv(netdev);
+	struct wilc_priv *priv =3D &vif->priv;
+	struct  key_params key_params;
+
+	if (!pairwise) {
+		key_params.key =3D priv->wilc_gtk[key_index]->key;
+		key_params.cipher =3D priv->wilc_gtk[key_index]->cipher;
+		key_params.key_len =3D priv->wilc_gtk[key_index]->key_len;
+		key_params.seq =3D priv->wilc_gtk[key_index]->seq;
+		key_params.seq_len =3D priv->wilc_gtk[key_index]->seq_len;
+	} else {
+		key_params.key =3D priv->wilc_ptk[key_index]->key;
+		key_params.cipher =3D priv->wilc_ptk[key_index]->cipher;
+		key_params.key_len =3D priv->wilc_ptk[key_index]->key_len;
+		key_params.seq =3D priv->wilc_ptk[key_index]->seq;
+		key_params.seq_len =3D priv->wilc_ptk[key_index]->seq_len;
+	}
+
+	callback(cookie, &key_params);
+
+	return 0;
+}
+
+static int set_default_key(struct wiphy *wiphy, struct net_device *netdev,
+			   u8 key_index, bool unicast, bool multicast)
+{
+	struct wilc_vif *vif =3D netdev_priv(netdev);
+
+	wilc_set_wep_default_keyid(vif, key_index);
+
+	return 0;
+}
+
+static int get_station(struct wiphy *wiphy, struct net_device *dev,
+		       const u8 *mac, struct station_info *sinfo)
+{
+	struct wilc_vif *vif =3D netdev_priv(dev);
+	struct wilc_priv *priv =3D &vif->priv;
+	u32 i =3D 0;
+	u32 associatedsta =3D ~0;
+	u32 inactive_time =3D 0;
+
+	if (vif->iftype =3D=3D WILC_AP_MODE || vif->iftype =3D=3D WILC_GO_MODE) {
+		for (i =3D 0; i < NUM_STA_ASSOCIATED; i++) {
+			if (!(memcmp(mac,
+				     priv->assoc_stainfo.sta_associated_bss[i],
+				     ETH_ALEN))) {
+				associatedsta =3D i;
+				break;
+			}
+		}
+
+		if (associatedsta =3D=3D ~0) {
+			netdev_err(dev, "sta required is not associated\n");
+			return -ENOENT;
+		}
+
+		sinfo->filled |=3D BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME);
+
+		wilc_get_inactive_time(vif, mac, &inactive_time);
+		sinfo->inactive_time =3D 1000 * inactive_time;
+	} else if (vif->iftype =3D=3D WILC_STATION_MODE) {
+		struct rf_info stats;
+
+		wilc_get_statistics(vif, &stats);
+
+		sinfo->filled |=3D BIT_ULL(NL80211_STA_INFO_SIGNAL) |
+				 BIT_ULL(NL80211_STA_INFO_RX_PACKETS) |
+				 BIT_ULL(NL80211_STA_INFO_TX_PACKETS) |
+				 BIT_ULL(NL80211_STA_INFO_TX_FAILED) |
+				 BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
+
+		sinfo->signal =3D stats.rssi;
+		sinfo->rx_packets =3D stats.rx_cnt;
+		sinfo->tx_packets =3D stats.tx_cnt + stats.tx_fail_cnt;
+		sinfo->tx_failed =3D stats.tx_fail_cnt;
+		sinfo->txrate.legacy =3D stats.link_speed * 10;
+
+		if (stats.link_speed > TCP_ACK_FILTER_LINK_SPEED_THRESH &&
+		    stats.link_speed !=3D DEFAULT_LINK_SPEED)
+			wilc_enable_tcp_ack_filter(vif, true);
+		else if (stats.link_speed !=3D DEFAULT_LINK_SPEED)
+			wilc_enable_tcp_ack_filter(vif, false);
+	}
+	return 0;
+}
+
+static int change_bss(struct wiphy *wiphy, struct net_device *dev,
+		      struct bss_parameters *params)
+{
+	return 0;
+}
+
+static int set_wiphy_params(struct wiphy *wiphy, u32 changed)
+{
+	int ret =3D -EINVAL;
+	struct cfg_param_attr cfg_param_val;
+	struct wilc *wl =3D wiphy_priv(wiphy);
+	struct wilc_vif *vif;
+	struct wilc_priv *priv;
+	int srcu_idx;
+
+	srcu_idx =3D srcu_read_lock(&wl->srcu);
+	vif =3D wilc_get_wl_to_vif(wl);
+	if (IS_ERR(vif))
+		goto out;
+
+	priv =3D &vif->priv;
+	cfg_param_val.flag =3D 0;
+
+	if (changed & WIPHY_PARAM_RETRY_SHORT) {
+		netdev_dbg(vif->ndev,
+			   "Setting WIPHY_PARAM_RETRY_SHORT %d\n",
+			   wiphy->retry_short);
+		cfg_param_val.flag  |=3D WILC_CFG_PARAM_RETRY_SHORT;
+		cfg_param_val.short_retry_limit =3D wiphy->retry_short;
+	}
+	if (changed & WIPHY_PARAM_RETRY_LONG) {
+		netdev_dbg(vif->ndev,
+			   "Setting WIPHY_PARAM_RETRY_LONG %d\n",
+			   wiphy->retry_long);
+		cfg_param_val.flag |=3D WILC_CFG_PARAM_RETRY_LONG;
+		cfg_param_val.long_retry_limit =3D wiphy->retry_long;
+	}
+	if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
+		if (wiphy->frag_threshold > 255 &&
+		    wiphy->frag_threshold < 7937) {
+			netdev_dbg(vif->ndev,
+				   "Setting WIPHY_PARAM_FRAG_THRESHOLD %d\n",
+				   wiphy->frag_threshold);
+			cfg_param_val.flag |=3D WILC_CFG_PARAM_FRAG_THRESHOLD;
+			cfg_param_val.frag_threshold =3D wiphy->frag_threshold;
+		} else {
+			netdev_err(vif->ndev,
+				   "Fragmentation threshold out of range\n");
+			goto out;
+		}
+	}
+
+	if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
+		if (wiphy->rts_threshold > 255) {
+			netdev_dbg(vif->ndev,
+				   "Setting WIPHY_PARAM_RTS_THRESHOLD %d\n",
+				   wiphy->rts_threshold);
+			cfg_param_val.flag |=3D WILC_CFG_PARAM_RTS_THRESHOLD;
+			cfg_param_val.rts_threshold =3D wiphy->rts_threshold;
+		} else {
+			netdev_err(vif->ndev, "RTS threshold out of range\n");
+			goto out;
+		}
+	}
+
+	ret =3D wilc_hif_set_cfg(vif, &cfg_param_val);
+	if (ret)
+		netdev_err(priv->dev, "Error in setting WIPHY PARAMS\n");
+
+out:
+	srcu_read_unlock(&wl->srcu, srcu_idx);
+	return ret;
+}
+
+static int set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
+		     struct cfg80211_pmksa *pmksa)
+{
+	struct wilc_vif *vif =3D netdev_priv(netdev);
+	struct wilc_priv *priv =3D &vif->priv;
+	u32 i;
+	int ret =3D 0;
+	u8 flag =3D 0;
+
+	for (i =3D 0; i < priv->pmkid_list.numpmkid; i++)	{
+		if (!memcmp(pmksa->bssid, priv->pmkid_list.pmkidlist[i].bssid,
+			    ETH_ALEN)) {
+			flag =3D PMKID_FOUND;
+			break;
+		}
+	}
+	if (i < WILC_MAX_NUM_PMKIDS) {
+		memcpy(priv->pmkid_list.pmkidlist[i].bssid, pmksa->bssid,
+		       ETH_ALEN);
+		memcpy(priv->pmkid_list.pmkidlist[i].pmkid, pmksa->pmkid,
+		       WLAN_PMKID_LEN);
+		if (!(flag =3D=3D PMKID_FOUND))
+			priv->pmkid_list.numpmkid++;
+	} else {
+		netdev_err(netdev, "Invalid PMKID index\n");
+		ret =3D -EINVAL;
+	}
+
+	if (!ret)
+		ret =3D wilc_set_pmkid_info(vif, &priv->pmkid_list);
+
+	return ret;
+}
+
+static int del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
+		     struct cfg80211_pmksa *pmksa)
+{
+	u32 i;
+	struct wilc_vif *vif =3D netdev_priv(netdev);
+	struct wilc_priv *priv =3D &vif->priv;
+
+	for (i =3D 0; i < priv->pmkid_list.numpmkid; i++)	{
+		if (!memcmp(pmksa->bssid, priv->pmkid_list.pmkidlist[i].bssid,
+			    ETH_ALEN)) {
+			memset(&priv->pmkid_list.pmkidlist[i], 0,
+			       sizeof(struct wilc_pmkid));
+			break;
+		}
+	}
+
+	if (i =3D=3D priv->pmkid_list.numpmkid)
+		return -EINVAL;
+
+	for (; i < (priv->pmkid_list.numpmkid - 1); i++) {
+		memcpy(priv->pmkid_list.pmkidlist[i].bssid,
+		       priv->pmkid_list.pmkidlist[i + 1].bssid,
+		       ETH_ALEN);
+		memcpy(priv->pmkid_list.pmkidlist[i].pmkid,
+		       priv->pmkid_list.pmkidlist[i + 1].pmkid,
+		       WLAN_PMKID_LEN);
+	}
+	priv->pmkid_list.numpmkid--;
+
+	return 0;
+}
+
+static int flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
+{
+	struct wilc_vif *vif =3D netdev_priv(netdev);
+
+	memset(&vif->priv.pmkid_list, 0, sizeof(struct wilc_pmkid_attr));
+
+	return 0;
+}
+
+static inline void wilc_wfi_cfg_parse_ch_attr(u8 *buf, u32 len, u8 sta_ch)
+{
+	struct wilc_attr_entry *e;
+	struct wilc_attr_ch_list *ch_list;
+	struct wilc_attr_oper_ch *op_ch;
+	u32 index =3D 0;
+	u8 ch_list_idx =3D 0;
+	u8 op_ch_idx =3D 0;
+
+	if (sta_ch =3D=3D WILC_INVALID_CHANNEL)
+		return;
+
+	while (index + sizeof(*e) <=3D len) {
+		e =3D (struct wilc_attr_entry *)&buf[index];
+		if (e->attr_type =3D=3D IEEE80211_P2P_ATTR_CHANNEL_LIST)
+			ch_list_idx =3D index;
+		else if (e->attr_type =3D=3D IEEE80211_P2P_ATTR_OPER_CHANNEL)
+			op_ch_idx =3D index;
+		if (ch_list_idx && op_ch_idx)
+			break;
+		index +=3D le16_to_cpu(e->attr_len) + sizeof(*e);
+	}
+
+	if (ch_list_idx) {
+		u16 attr_size;
+		struct wilc_ch_list_elem *e;
+		int i;
+
+		ch_list =3D (struct wilc_attr_ch_list *)&buf[ch_list_idx];
+		attr_size =3D le16_to_cpu(ch_list->attr_len);
+		for (i =3D 0; i < attr_size;) {
+			e =3D (struct wilc_ch_list_elem *)(ch_list->elem + i);
+			if (e->op_class =3D=3D WILC_WLAN_OPERATING_CLASS_2_4GHZ) {
+				memset(e->ch_list, sta_ch, e->no_of_channels);
+				break;
+			}
+			i +=3D e->no_of_channels;
+		}
+	}
+
+	if (op_ch_idx) {
+		op_ch =3D (struct wilc_attr_oper_ch *)&buf[op_ch_idx];
+		op_ch->op_class =3D WILC_WLAN_OPERATING_CLASS_2_4GHZ;
+		op_ch->op_channel =3D sta_ch;
+	}
+}
+
+void wilc_wfi_p2p_rx(struct wilc_vif *vif, u8 *buff, u32 size)
+{
+	struct wilc *wl =3D vif->wilc;
+	struct wilc_priv *priv =3D &vif->priv;
+	struct host_if_drv *wfi_drv =3D priv->hif_drv;
+	struct ieee80211_mgmt *mgmt;
+	struct wilc_vendor_specific_ie *p;
+	struct wilc_p2p_pub_act_frame *d;
+	int ie_offset =3D offsetof(struct ieee80211_mgmt, u) + sizeof(*d);
+	const u8 *vendor_ie;
+	u32 header, pkt_offset;
+	s32 freq;
+
+	header =3D get_unaligned_le32(buff - HOST_HDR_OFFSET);
+	pkt_offset =3D FIELD_GET(WILC_PKT_HDR_OFFSET_FIELD, header);
+
+	if (pkt_offset & IS_MANAGMEMENT_CALLBACK) {
+		bool ack =3D false;
+		struct ieee80211_hdr *hdr =3D (struct ieee80211_hdr *)buff;
+
+		if (ieee80211_is_probe_resp(hdr->frame_control) ||
+		    pkt_offset & IS_MGMT_STATUS_SUCCES)
+			ack =3D true;
+
+		cfg80211_mgmt_tx_status(&priv->wdev, priv->tx_cookie, buff,
+					size, ack, GFP_KERNEL);
+		return;
+	}
+
+	freq =3D ieee80211_channel_to_frequency(wl->op_ch, NL80211_BAND_2GHZ);
+
+	mgmt =3D (struct ieee80211_mgmt *)buff;
+	if (!ieee80211_is_action(mgmt->frame_control))
+		goto out_rx_mgmt;
+
+	if (priv->cfg_scanning &&
+	    time_after_eq(jiffies, (unsigned long)wfi_drv->p2p_timeout)) {
+		netdev_dbg(vif->ndev, "Receiving action wrong ch\n");
+		return;
+	}
+
+	if (!ieee80211_is_public_action((struct ieee80211_hdr *)buff, size))
+		goto out_rx_mgmt;
+
+	d =3D (struct wilc_p2p_pub_act_frame *)(&mgmt->u.action);
+	if (d->oui_subtype !=3D GO_NEG_REQ && d->oui_subtype !=3D GO_NEG_RSP &&
+	    d->oui_subtype !=3D P2P_INV_REQ && d->oui_subtype !=3D P2P_INV_RSP)
+		goto out_rx_mgmt;
+
+	vendor_ie =3D cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P=
,
+					    buff + ie_offset, size - ie_offset);
+	if (!vendor_ie)
+		goto out_rx_mgmt;
+
+	p =3D (struct wilc_vendor_specific_ie *)vendor_ie;
+	wilc_wfi_cfg_parse_ch_attr(p->attr, p->tag_len - 4, vif->wilc->sta_ch);
+
+out_rx_mgmt:
+	cfg80211_rx_mgmt(&priv->wdev, freq, 0, buff, size, 0);
+}
+
+static void wilc_wfi_mgmt_tx_complete(void *priv, int status)
+{
+	struct wilc_p2p_mgmt_data *pv_data =3D priv;
+
+	kfree(pv_data->buff);
+	kfree(pv_data);
+}
+
+static void wilc_wfi_remain_on_channel_expired(void *data, u64 cookie)
+{
+	struct wilc_vif *vif =3D data;
+	struct wilc_priv *priv =3D &vif->priv;
+	struct wilc_wfi_p2p_listen_params *params =3D &priv->remain_on_ch_params;
+
+	if (cookie !=3D params->listen_cookie)
+		return;
+
+	priv->p2p_listen_state =3D false;
+
+	cfg80211_remain_on_channel_expired(&priv->wdev, params->listen_cookie,
+					   params->listen_ch, GFP_KERNEL);
+}
+
+static int remain_on_channel(struct wiphy *wiphy,
+			     struct wireless_dev *wdev,
+			     struct ieee80211_channel *chan,
+			     unsigned int duration, u64 *cookie)
+{
+	int ret =3D 0;
+	struct wilc_vif *vif =3D netdev_priv(wdev->netdev);
+	struct wilc_priv *priv =3D &vif->priv;
+	u64 id;
+
+	if (wdev->iftype =3D=3D NL80211_IFTYPE_AP) {
+		netdev_dbg(vif->ndev, "Required while in AP mode\n");
+		return ret;
+	}
+
+	id =3D ++priv->inc_roc_cookie;
+	if (id =3D=3D 0)
+		id =3D ++priv->inc_roc_cookie;
+
+	ret =3D wilc_remain_on_channel(vif, id, duration, chan->hw_value,
+				     wilc_wfi_remain_on_channel_expired,
+				     (void *)vif);
+	if (ret)
+		return ret;
+
+	vif->wilc->op_ch =3D chan->hw_value;
+
+	priv->remain_on_ch_params.listen_ch =3D chan;
+	priv->remain_on_ch_params.listen_cookie =3D id;
+	*cookie =3D id;
+	priv->p2p_listen_state =3D true;
+	priv->remain_on_ch_params.listen_duration =3D duration;
+
+	cfg80211_ready_on_channel(wdev, *cookie, chan, duration, GFP_KERNEL);
+	mod_timer(&vif->hif_drv->remain_on_ch_timer,
+		  jiffies + msecs_to_jiffies(duration + 1000));
+
+	return ret;
+}
+
+static int cancel_remain_on_channel(struct wiphy *wiphy,
+				    struct wireless_dev *wdev,
+				    u64 cookie)
+{
+	struct wilc_vif *vif =3D netdev_priv(wdev->netdev);
+	struct wilc_priv *priv =3D &vif->priv;
+
+	if (cookie !=3D priv->remain_on_ch_params.listen_cookie)
+		return -ENOENT;
+
+	return wilc_listen_state_expired(vif, cookie);
+}
+
+static int mgmt_tx(struct wiphy *wiphy,
+		   struct wireless_dev *wdev,
+		   struct cfg80211_mgmt_tx_params *params,
+		   u64 *cookie)
+{
+	struct ieee80211_channel *chan =3D params->chan;
+	unsigned int wait =3D params->wait;
+	const u8 *buf =3D params->buf;
+	size_t len =3D params->len;
+	const struct ieee80211_mgmt *mgmt;
+	struct wilc_p2p_mgmt_data *mgmt_tx;
+	struct wilc_vif *vif =3D netdev_priv(wdev->netdev);
+	struct wilc_priv *priv =3D &vif->priv;
+	struct host_if_drv *wfi_drv =3D priv->hif_drv;
+	struct wilc_vendor_specific_ie *p;
+	struct wilc_p2p_pub_act_frame *d;
+	int ie_offset =3D offsetof(struct ieee80211_mgmt, u) + sizeof(*d);
+	const u8 *vendor_ie;
+	int ret =3D 0;
+
+	*cookie =3D prandom_u32();
+	priv->tx_cookie =3D *cookie;
+	mgmt =3D (const struct ieee80211_mgmt *)buf;
+
+	if (!ieee80211_is_mgmt(mgmt->frame_control))
+		goto out;
+
+	mgmt_tx =3D kmalloc(sizeof(*mgmt_tx), GFP_KERNEL);
+	if (!mgmt_tx) {
+		ret =3D -ENOMEM;
+		goto out;
+	}
+
+	mgmt_tx->buff =3D kmemdup(buf, len, GFP_KERNEL);
+	if (!mgmt_tx->buff) {
+		ret =3D -ENOMEM;
+		kfree(mgmt_tx);
+		goto out;
+	}
+
+	mgmt_tx->size =3D len;
+
+	if (ieee80211_is_probe_resp(mgmt->frame_control)) {
+		wilc_set_mac_chnl_num(vif, chan->hw_value);
+		vif->wilc->op_ch =3D chan->hw_value;
+		goto out_txq_add_pkt;
+	}
+
+	if (!ieee80211_is_public_action((struct ieee80211_hdr *)buf, len))
+		goto out_set_timeout;
+
+	d =3D (struct wilc_p2p_pub_act_frame *)(&mgmt->u.action);
+	if (d->oui_type !=3D WLAN_OUI_TYPE_WFA_P2P ||
+	    d->oui_subtype !=3D GO_NEG_CONF) {
+		wilc_set_mac_chnl_num(vif, chan->hw_value);
+		vif->wilc->op_ch =3D chan->hw_value;
+	}
+
+	if (d->oui_subtype !=3D P2P_INV_REQ && d->oui_subtype !=3D P2P_INV_RSP)
+		goto out_set_timeout;
+
+	vendor_ie =3D cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P=
,
+					    mgmt_tx->buff + ie_offset,
+					    len - ie_offset);
+	if (!vendor_ie)
+		goto out_set_timeout;
+
+	p =3D (struct wilc_vendor_specific_ie *)vendor_ie;
+	wilc_wfi_cfg_parse_ch_attr(p->attr, p->tag_len - 4, vif->wilc->sta_ch);
+
+out_set_timeout:
+	wfi_drv->p2p_timeout =3D (jiffies + msecs_to_jiffies(wait));
+
+out_txq_add_pkt:
+
+	wilc_wlan_txq_add_mgmt_pkt(wdev->netdev, mgmt_tx,
+				   mgmt_tx->buff, mgmt_tx->size,
+				   wilc_wfi_mgmt_tx_complete);
+
+out:
+
+	return ret;
+}
+
+static int mgmt_tx_cancel_wait(struct wiphy *wiphy,
+			       struct wireless_dev *wdev,
+			       u64 cookie)
+{
+	struct wilc_vif *vif =3D netdev_priv(wdev->netdev);
+	struct wilc_priv *priv =3D &vif->priv;
+	struct host_if_drv *wfi_drv =3D priv->hif_drv;
+
+	wfi_drv->p2p_timeout =3D jiffies;
+
+	if (!priv->p2p_listen_state) {
+		struct wilc_wfi_p2p_listen_params *params;
+
+		params =3D &priv->remain_on_ch_params;
+
+		cfg80211_remain_on_channel_expired(wdev,
+						   params->listen_cookie,
+						   params->listen_ch,
+						   GFP_KERNEL);
+	}
+
+	return 0;
+}
+
+void wilc_mgmt_frame_register(struct wiphy *wiphy, struct wireless_dev *wd=
ev,
+			      u16 frame_type, bool reg)
+{
+	struct wilc *wl =3D wiphy_priv(wiphy);
+	struct wilc_vif *vif =3D netdev_priv(wdev->netdev);
+
+	if (!frame_type)
+		return;
+
+	switch (frame_type) {
+	case IEEE80211_STYPE_PROBE_REQ:
+		vif->frame_reg[0].type =3D frame_type;
+		vif->frame_reg[0].reg =3D reg;
+		break;
+
+	case IEEE80211_STYPE_ACTION:
+		vif->frame_reg[1].type =3D frame_type;
+		vif->frame_reg[1].reg =3D reg;
+		break;
+
+	default:
+		break;
+	}
+
+	if (!wl->initialized)
+		return;
+	wilc_frame_register(vif, frame_type, reg);
+}
+
+static int set_cqm_rssi_config(struct wiphy *wiphy, struct net_device *dev=
,
+			       s32 rssi_thold, u32 rssi_hyst)
+{
+	return 0;
+}
+
+static int dump_station(struct wiphy *wiphy, struct net_device *dev,
+			int idx, u8 *mac, struct station_info *sinfo)
+{
+	struct wilc_vif *vif =3D netdev_priv(dev);
+	int ret;
+
+	if (idx !=3D 0)
+		return -ENOENT;
+
+	sinfo->filled |=3D BIT_ULL(NL80211_STA_INFO_SIGNAL);
+
+	ret =3D wilc_get_rssi(vif, &sinfo->signal);
+	if (ret)
+		return ret;
+
+	memcpy(mac, vif->priv.associated_bss, ETH_ALEN);
+	return 0;
+}
+
+static int set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
+			  bool enabled, int timeout)
+{
+	struct wilc_vif *vif =3D netdev_priv(dev);
+	struct wilc_priv *priv =3D &vif->priv;
+
+	if (!priv->hif_drv)
+		return -EIO;
+
+	wilc_set_power_mgmt(vif, enabled, timeout);
+
+	return 0;
+}
+
+static int change_virtual_intf(struct wiphy *wiphy, struct net_device *dev=
,
+			       enum nl80211_iftype type,
+			       struct vif_params *params)
+{
+	struct wilc *wl =3D wiphy_priv(wiphy);
+	struct wilc_vif *vif =3D netdev_priv(dev);
+	struct wilc_priv *priv =3D &vif->priv;
+
+	switch (type) {
+	case NL80211_IFTYPE_STATION:
+		vif->connecting =3D false;
+		dev->ieee80211_ptr->iftype =3D type;
+		priv->wdev.iftype =3D type;
+		vif->monitor_flag =3D 0;
+		if (vif->iftype =3D=3D WILC_AP_MODE || vif->iftype =3D=3D WILC_GO_MODE)
+			wilc_wfi_deinit_mon_interface(wl, true);
+		vif->iftype =3D WILC_STATION_MODE;
+
+		if (wl->initialized)
+			wilc_set_operation_mode(vif, wilc_get_vif_idx(vif),
+						WILC_STATION_MODE, vif->idx);
+
+		memset(priv->assoc_stainfo.sta_associated_bss, 0,
+		       WILC_MAX_NUM_STA * ETH_ALEN);
+		break;
+
+	case NL80211_IFTYPE_P2P_CLIENT:
+		vif->connecting =3D false;
+		dev->ieee80211_ptr->iftype =3D type;
+		priv->wdev.iftype =3D type;
+		vif->monitor_flag =3D 0;
+		vif->iftype =3D WILC_CLIENT_MODE;
+
+		if (wl->initialized)
+			wilc_set_operation_mode(vif, wilc_get_vif_idx(vif),
+						WILC_STATION_MODE, vif->idx);
+		break;
+
+	case NL80211_IFTYPE_AP:
+		dev->ieee80211_ptr->iftype =3D type;
+		priv->wdev.iftype =3D type;
+		vif->iftype =3D WILC_AP_MODE;
+
+		if (wl->initialized)
+			wilc_set_operation_mode(vif, wilc_get_vif_idx(vif),
+						WILC_AP_MODE, vif->idx);
+		break;
+
+	case NL80211_IFTYPE_P2P_GO:
+		dev->ieee80211_ptr->iftype =3D type;
+		priv->wdev.iftype =3D type;
+		vif->iftype =3D WILC_GO_MODE;
+
+		if (wl->initialized)
+			wilc_set_operation_mode(vif, wilc_get_vif_idx(vif),
+						WILC_AP_MODE, vif->idx);
+		break;
+
+	default:
+		netdev_err(dev, "Unknown interface type=3D %d\n", type);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int start_ap(struct wiphy *wiphy, struct net_device *dev,
+		    struct cfg80211_ap_settings *settings)
+{
+	struct wilc_vif *vif =3D netdev_priv(dev);
+	int ret;
+
+	ret =3D set_channel(wiphy, &settings->chandef);
+	if (ret !=3D 0)
+		netdev_err(dev, "Error in setting channel\n");
+
+	wilc_wlan_set_bssid(dev, dev->dev_addr, WILC_AP_MODE);
+
+	return wilc_add_beacon(vif, settings->beacon_interval,
+				   settings->dtim_period, &settings->beacon);
+}
+
+static int change_beacon(struct wiphy *wiphy, struct net_device *dev,
+			 struct cfg80211_beacon_data *beacon)
+{
+	struct wilc_vif *vif =3D netdev_priv(dev);
+
+	return wilc_add_beacon(vif, 0, 0, beacon);
+}
+
+static int stop_ap(struct wiphy *wiphy, struct net_device *dev)
+{
+	int ret;
+	struct wilc_vif *vif =3D netdev_priv(dev);
+
+	wilc_wlan_set_bssid(dev, NULL, WILC_AP_MODE);
+
+	ret =3D wilc_del_beacon(vif);
+
+	if (ret)
+		netdev_err(dev, "Host delete beacon fail\n");
+
+	return ret;
+}
+
+static int add_station(struct wiphy *wiphy, struct net_device *dev,
+		       const u8 *mac, struct station_parameters *params)
+{
+	int ret =3D 0;
+	struct wilc_vif *vif =3D netdev_priv(dev);
+	struct wilc_priv *priv =3D &vif->priv;
+
+	if (vif->iftype =3D=3D WILC_AP_MODE || vif->iftype =3D=3D WILC_GO_MODE) {
+		memcpy(priv->assoc_stainfo.sta_associated_bss[params->aid], mac,
+		       ETH_ALEN);
+
+		ret =3D wilc_add_station(vif, mac, params);
+		if (ret)
+			netdev_err(dev, "Host add station fail\n");
+	}
+
+	return ret;
+}
+
+static int del_station(struct wiphy *wiphy, struct net_device *dev,
+		       struct station_del_parameters *params)
+{
+	const u8 *mac =3D params->mac;
+	int ret =3D 0;
+	struct wilc_vif *vif =3D netdev_priv(dev);
+	struct wilc_priv *priv =3D &vif->priv;
+	struct sta_info *info;
+
+	if (!(vif->iftype =3D=3D WILC_AP_MODE || vif->iftype =3D=3D WILC_GO_MODE)=
)
+		return ret;
+
+	info =3D &priv->assoc_stainfo;
+
+	if (!mac)
+		ret =3D wilc_del_allstation(vif, info->sta_associated_bss);
+
+	ret =3D wilc_del_station(vif, mac);
+	if (ret)
+		netdev_err(dev, "Host delete station fail\n");
+	return ret;
+}
+
+static int change_station(struct wiphy *wiphy, struct net_device *dev,
+			  const u8 *mac, struct station_parameters *params)
+{
+	int ret =3D 0;
+	struct wilc_vif *vif =3D netdev_priv(dev);
+
+	if (vif->iftype =3D=3D WILC_AP_MODE || vif->iftype =3D=3D WILC_GO_MODE) {
+		ret =3D wilc_edit_station(vif, mac, params);
+		if (ret)
+			netdev_err(dev, "Host edit station fail\n");
+	}
+	return ret;
+}
+
+static struct wilc_vif *wilc_get_vif_from_type(struct wilc *wl, int type)
+{
+	struct wilc_vif *vif;
+
+	list_for_each_entry_rcu(vif, &wl->vif_list, list) {
+		if (vif->iftype =3D=3D type)
+			return vif;
+	}
+
+	return NULL;
+}
+
+static struct wireless_dev *add_virtual_intf(struct wiphy *wiphy,
+					     const char *name,
+					     unsigned char name_assign_type,
+					     enum nl80211_iftype type,
+					     struct vif_params *params)
+{
+	struct wilc *wl =3D wiphy_priv(wiphy);
+	struct wilc_vif *vif;
+	struct wireless_dev *wdev;
+	int iftype;
+
+	if (type =3D=3D NL80211_IFTYPE_MONITOR) {
+		struct net_device *ndev;
+		int srcu_idx;
+
+		srcu_idx =3D srcu_read_lock(&wl->srcu);
+		vif =3D wilc_get_vif_from_type(wl, WILC_AP_MODE);
+		if (!vif) {
+			vif =3D wilc_get_vif_from_type(wl, WILC_GO_MODE);
+			if (!vif) {
+				srcu_read_unlock(&wl->srcu, srcu_idx);
+				goto validate_interface;
+			}
+		}
+
+		if (vif->monitor_flag) {
+			srcu_read_unlock(&wl->srcu, srcu_idx);
+			goto validate_interface;
+		}
+
+		ndev =3D wilc_wfi_init_mon_interface(wl, name, vif->ndev);
+		if (ndev) {
+			vif->monitor_flag =3D 1;
+		} else {
+			srcu_read_unlock(&wl->srcu, srcu_idx);
+			return ERR_PTR(-EINVAL);
+		}
+
+		wdev =3D &vif->priv.wdev;
+		srcu_read_unlock(&wl->srcu, srcu_idx);
+		return wdev;
+	}
+
+validate_interface:
+	mutex_lock(&wl->vif_mutex);
+	if (wl->vif_num =3D=3D WILC_NUM_CONCURRENT_IFC) {
+		pr_err("Reached maximum number of interface\n");
+		mutex_unlock(&wl->vif_mutex);
+		return ERR_PTR(-EINVAL);
+	}
+	mutex_unlock(&wl->vif_mutex);
+
+	switch (type) {
+	case NL80211_IFTYPE_STATION:
+		iftype =3D WILC_STATION_MODE;
+		break;
+	case NL80211_IFTYPE_AP:
+		iftype =3D WILC_AP_MODE;
+		break;
+	default:
+		return ERR_PTR(-EOPNOTSUPP);
+	}
+
+	vif =3D wilc_netdev_ifc_init(wl, name, iftype, type, true);
+	if (IS_ERR(vif))
+		return ERR_CAST(vif);
+
+	return &vif->priv.wdev;
+}
+
+static int del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev=
)
+{
+	struct wilc *wl =3D wiphy_priv(wiphy);
+	struct wilc_vif *vif;
+
+	if (wdev->iftype =3D=3D NL80211_IFTYPE_AP ||
+	    wdev->iftype =3D=3D NL80211_IFTYPE_P2P_GO)
+		wilc_wfi_deinit_mon_interface(wl, true);
+	vif =3D netdev_priv(wdev->netdev);
+	cfg80211_stop_iface(wiphy, wdev, GFP_KERNEL);
+	unregister_netdevice(vif->ndev);
+	vif->monitor_flag =3D 0;
+
+	wilc_set_operation_mode(vif, 0, 0, 0);
+	mutex_lock(&wl->vif_mutex);
+	list_del_rcu(&vif->list);
+	wl->vif_num--;
+	mutex_unlock(&wl->vif_mutex);
+	synchronize_srcu(&wl->srcu);
+	return 0;
+}
+
+static int wilc_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wow)
+{
+	struct wilc *wl =3D wiphy_priv(wiphy);
+
+	if (!wow && wilc_wlan_get_num_conn_ifcs(wl))
+		wl->suspend_event =3D true;
+	else
+		wl->suspend_event =3D false;
+
+	return 0;
+}
+
+static int wilc_resume(struct wiphy *wiphy)
+{
+	return 0;
+}
+
+static void wilc_set_wakeup(struct wiphy *wiphy, bool enabled)
+{
+	struct wilc *wl =3D wiphy_priv(wiphy);
+	struct wilc_vif *vif;
+	int srcu_idx;
+
+	srcu_idx =3D srcu_read_lock(&wl->srcu);
+	vif =3D wilc_get_wl_to_vif(wl);
+	if (IS_ERR(vif)) {
+		srcu_read_unlock(&wl->srcu, srcu_idx);
+		return;
+	}
+
+	netdev_info(vif->ndev, "cfg set wake up =3D %d\n", enabled);
+	srcu_read_unlock(&wl->srcu, srcu_idx);
+}
+
+static int set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
+			enum nl80211_tx_power_setting type, int mbm)
+{
+	int ret;
+	int srcu_idx;
+	s32 tx_power =3D MBM_TO_DBM(mbm);
+	struct wilc *wl =3D wiphy_priv(wiphy);
+	struct wilc_vif *vif;
+
+	if (!wl->initialized)
+		return -EIO;
+
+	srcu_idx =3D srcu_read_lock(&wl->srcu);
+	vif =3D wilc_get_wl_to_vif(wl);
+	if (IS_ERR(vif)) {
+		srcu_read_unlock(&wl->srcu, srcu_idx);
+		return -EINVAL;
+	}
+
+	netdev_info(vif->ndev, "Setting tx power %d\n", tx_power);
+	if (tx_power < 0)
+		tx_power =3D 0;
+	else if (tx_power > 18)
+		tx_power =3D 18;
+	ret =3D wilc_set_tx_power(vif, tx_power);
+	if (ret)
+		netdev_err(vif->ndev, "Failed to set tx power\n");
+	srcu_read_unlock(&wl->srcu, srcu_idx);
+
+	return ret;
+}
+
+static int get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
+			int *dbm)
+{
+	int ret;
+	struct wilc_vif *vif =3D netdev_priv(wdev->netdev);
+	struct wilc *wl =3D vif->wilc;
+
+	/* If firmware is not started, return. */
+	if (!wl->initialized)
+		return -EIO;
+
+	ret =3D wilc_get_tx_power(vif, (u8 *)dbm);
+	if (ret)
+		netdev_err(vif->ndev, "Failed to get tx power\n");
+
+	return ret;
+}
+
+static const struct cfg80211_ops wilc_cfg80211_ops =3D {
+	.set_monitor_channel =3D set_channel,
+	.scan =3D scan,
+	.connect =3D connect,
+	.disconnect =3D disconnect,
+	.add_key =3D add_key,
+	.del_key =3D del_key,
+	.get_key =3D get_key,
+	.set_default_key =3D set_default_key,
+	.add_virtual_intf =3D add_virtual_intf,
+	.del_virtual_intf =3D del_virtual_intf,
+	.change_virtual_intf =3D change_virtual_intf,
+
+	.start_ap =3D start_ap,
+	.change_beacon =3D change_beacon,
+	.stop_ap =3D stop_ap,
+	.add_station =3D add_station,
+	.del_station =3D del_station,
+	.change_station =3D change_station,
+	.get_station =3D get_station,
+	.dump_station =3D dump_station,
+	.change_bss =3D change_bss,
+	.set_wiphy_params =3D set_wiphy_params,
+
+	.set_pmksa =3D set_pmksa,
+	.del_pmksa =3D del_pmksa,
+	.flush_pmksa =3D flush_pmksa,
+	.remain_on_channel =3D remain_on_channel,
+	.cancel_remain_on_channel =3D cancel_remain_on_channel,
+	.mgmt_tx_cancel_wait =3D mgmt_tx_cancel_wait,
+	.mgmt_tx =3D mgmt_tx,
+	.mgmt_frame_register =3D wilc_mgmt_frame_register,
+	.set_power_mgmt =3D set_power_mgmt,
+	.set_cqm_rssi_config =3D set_cqm_rssi_config,
+
+	.suspend =3D wilc_suspend,
+	.resume =3D wilc_resume,
+	.set_wakeup =3D wilc_set_wakeup,
+	.set_tx_power =3D set_tx_power,
+	.get_tx_power =3D get_tx_power,
+
+};
+
+static void wlan_init_locks(struct wilc *wl)
+{
+	mutex_init(&wl->hif_cs);
+	mutex_init(&wl->rxq_cs);
+	mutex_init(&wl->cfg_cmd_lock);
+	mutex_init(&wl->vif_mutex);
+
+	spin_lock_init(&wl->txq_spinlock);
+	mutex_init(&wl->txq_add_to_head_cs);
+
+	init_completion(&wl->txq_event);
+	init_completion(&wl->cfg_event);
+	init_completion(&wl->sync_event);
+	init_completion(&wl->txq_thread_started);
+	init_srcu_struct(&wl->srcu);
+}
+
+void wlan_deinit_locks(struct wilc *wilc)
+{
+	mutex_destroy(&wilc->hif_cs);
+	mutex_destroy(&wilc->rxq_cs);
+	mutex_destroy(&wilc->cfg_cmd_lock);
+	mutex_destroy(&wilc->txq_add_to_head_cs);
+	mutex_destroy(&wilc->vif_mutex);
+	cleanup_srcu_struct(&wilc->srcu);
+}
+
+int wilc_cfg80211_init(struct wilc **wilc, struct device *dev, int io_type=
,
+		       const struct wilc_hif_func *ops)
+{
+	struct wilc *wl;
+	struct wilc_vif *vif;
+	int ret;
+
+	wl =3D wilc_create_wiphy(dev);
+	if (!wl)
+		return -EINVAL;
+
+	wlan_init_locks(wl);
+
+	ret =3D wilc_wlan_cfg_init(wl);
+	if (ret)
+		goto free_wl;
+
+	*wilc =3D wl;
+	wl->io_type =3D io_type;
+	wl->hif_func =3D ops;
+	wl->chip_ps_state =3D WILC_CHIP_WAKEDUP;
+	INIT_LIST_HEAD(&wl->txq_head.list);
+	INIT_LIST_HEAD(&wl->rxq_head.list);
+	INIT_LIST_HEAD(&wl->vif_list);
+
+	wl->hif_workqueue =3D create_singlethread_workqueue("WILC_wq");
+	if (!wl->hif_workqueue) {
+		ret =3D -ENOMEM;
+		goto free_cfg;
+	}
+	vif =3D wilc_netdev_ifc_init(wl, "wlan%d", WILC_STATION_MODE,
+				   NL80211_IFTYPE_STATION, false);
+	if (IS_ERR(vif)) {
+		ret =3D PTR_ERR(vif);
+		goto free_hq;
+	}
+
+	return 0;
+
+free_hq:
+	destroy_workqueue(wl->hif_workqueue);
+
+free_cfg:
+	wilc_wlan_cfg_deinit(wl);
+
+free_wl:
+	wlan_deinit_locks(wl);
+	wiphy_unregister(wl->wiphy);
+	wiphy_free(wl->wiphy);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(wilc_cfg80211_init);
+
+struct wilc *wilc_create_wiphy(struct device *dev)
+{
+	struct wiphy *wiphy;
+	struct wilc *wl;
+	int ret;
+
+	wiphy =3D wiphy_new(&wilc_cfg80211_ops, sizeof(*wl));
+	if (!wiphy)
+		return NULL;
+
+	wl =3D wiphy_priv(wiphy);
+
+	memcpy(wl->bitrates, wilc_bitrates, sizeof(wilc_bitrates));
+	memcpy(wl->channels, wilc_2ghz_channels, sizeof(wilc_2ghz_channels));
+	wl->band.bitrates =3D wl->bitrates;
+	wl->band.n_bitrates =3D ARRAY_SIZE(wl->bitrates);
+	wl->band.channels =3D wl->channels;
+	wl->band.n_channels =3D ARRAY_SIZE(wilc_2ghz_channels);
+
+	wl->band.ht_cap.ht_supported =3D 1;
+	wl->band.ht_cap.cap |=3D (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
+	wl->band.ht_cap.mcs.rx_mask[0] =3D 0xff;
+	wl->band.ht_cap.ampdu_factor =3D IEEE80211_HT_MAX_AMPDU_8K;
+	wl->band.ht_cap.ampdu_density =3D IEEE80211_HT_MPDU_DENSITY_NONE;
+
+	wiphy->bands[NL80211_BAND_2GHZ] =3D &wl->band;
+
+	wiphy->max_scan_ssids =3D WILC_MAX_NUM_PROBED_SSID;
+#ifdef CONFIG_PM
+	wiphy->wowlan =3D &wowlan_support;
+#endif
+	wiphy->max_num_pmkids =3D WILC_MAX_NUM_PMKIDS;
+	wiphy->max_scan_ie_len =3D 1000;
+	wiphy->signal_type =3D CFG80211_SIGNAL_TYPE_MBM;
+	memcpy(wl->cipher_suites, wilc_cipher_suites,
+	       sizeof(wilc_cipher_suites));
+	wiphy->cipher_suites =3D wl->cipher_suites;
+	wiphy->n_cipher_suites =3D ARRAY_SIZE(wilc_cipher_suites);
+	wiphy->mgmt_stypes =3D wilc_wfi_cfg80211_mgmt_types;
+
+	wiphy->max_remain_on_channel_duration =3D 500;
+	wiphy->interface_modes =3D BIT(NL80211_IFTYPE_STATION) |
+				BIT(NL80211_IFTYPE_AP) |
+				BIT(NL80211_IFTYPE_MONITOR) |
+				BIT(NL80211_IFTYPE_P2P_GO) |
+				BIT(NL80211_IFTYPE_P2P_CLIENT);
+	wiphy->flags |=3D WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
+
+	set_wiphy_dev(wiphy, dev);
+	wl->wiphy =3D wiphy;
+	ret =3D wiphy_register(wiphy);
+	if (ret) {
+		wiphy_free(wiphy);
+		return NULL;
+	}
+	return wl;
+}
+
+int wilc_init_host_int(struct net_device *net)
+{
+	int ret;
+	struct wilc_vif *vif =3D netdev_priv(net);
+	struct wilc_priv *priv =3D &vif->priv;
+
+	priv->p2p_listen_state =3D false;
+
+	mutex_init(&priv->scan_req_lock);
+	ret =3D wilc_init(net, &priv->hif_drv);
+	if (ret)
+		netdev_err(net, "Error while initializing hostinterface\n");
+
+	return ret;
+}
+
+void wilc_deinit_host_int(struct net_device *net)
+{
+	int ret;
+	struct wilc_vif *vif =3D netdev_priv(net);
+	struct wilc_priv *priv =3D &vif->priv;
+
+	priv->p2p_listen_state =3D false;
+
+	flush_workqueue(vif->wilc->hif_workqueue);
+	mutex_destroy(&priv->scan_req_lock);
+	ret =3D wilc_deinit(vif);
+
+	if (ret)
+		netdev_err(net, "Error while deinitializing host interface\n");
+}
+
--=20
2.24.0