/******************************************************************************
 *
 * This file is provided under a dual license.  When you use or
 * distribute this software, you may choose to be licensed under
 * version 2 of the GNU General Public License ("GPLv2 License")
 * or BSD License.
 *
 * GPLv2 License
 *
 * Copyright(C) 2016 MediaTek Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See http://www.gnu.org/licenses/gpl-2.0.html for more details.
 *
 * BSD LICENSE
 *
 * Copyright(C) 2016 MediaTek Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  * Neither the name of the copyright holder nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *****************************************************************************/
/*
** Id: //Department/DaVinci/BRANCHES/MT6620_WIFI_DRIVER_V2_3/os/linux/gl_init.c#11
*/

/*! \file   gl_init.c
*    \brief  Main routines of Linux driver
*
*    This file contains the main routines of Linux driver for MediaTek Inc. 802.11
*    Wireless LAN Adapters.
*/


/*******************************************************************************
*                         C O M P I L E R   F L A G S
********************************************************************************
*/

/*******************************************************************************
*                    E X T E R N A L   R E F E R E N C E S
********************************************************************************
*/
#include "gl_os.h"
#include "debug.h"
#include "wlan_lib.h"
#include "gl_wext.h"
#include "gl_cfg80211.h"
#include "precomp.h"
#if CFG_SUPPORT_AGPS_ASSIST
#include "gl_kal.h"
#endif
#include "gl_vendor.h"

/*******************************************************************************
*                              C O N S T A N T S
********************************************************************************
*/
/* #define MAX_IOREQ_NUM   10 */
struct semaphore g_halt_sem;
int g_u4HaltFlag;

static struct wireless_dev *gprWdev;
/*******************************************************************************
*                             D A T A   T Y P E S
********************************************************************************
*/
/* Tasklet mechanism is like buttom-half in Linux. We just want to
 * send a signal to OS for interrupt defer processing. All resources
 * are NOT allowed reentry, so txPacket, ISR-DPC and ioctl must avoid preempty.
 */
typedef struct _WLANDEV_INFO_T {
	struct net_device *prDev;
} WLANDEV_INFO_T, *P_WLANDEV_INFO_T;

/*******************************************************************************
*                            P U B L I C   D A T A
********************************************************************************
*/

MODULE_AUTHOR(NIC_AUTHOR);
MODULE_DESCRIPTION(NIC_DESC);
MODULE_SUPPORTED_DEVICE(NIC_NAME);

/* MODULE_LICENSE("MTK Propietary"); */
MODULE_LICENSE("Dual BSD/GPL");

#ifdef CFG_DRIVER_INF_NAME_CHANGE
char *gprifnamesta = "";
char *gprifnamep2p = "";
char *gprifnameap = "";
module_param_named(sta, gprifnamesta, charp, 0);
module_param_named(p2p, gprifnamep2p, charp, 0);
module_param_named(ap, gprifnameap, charp, 0);
#endif /* CFG_DRIVER_INF_NAME_CHANGE */

/* NIC interface name */
#define NIC_INF_NAME    "wlan%d"

#ifdef CFG_DRIVER_INF_NAME_CHANGE
/* Kernel IFNAMESIZ is 16, we use 5 in case some protocol might auto gen interface name, */
/* in that case, the interface name might have risk of over kernel's IFNAMESIZ */
#define CUSTOM_IFNAMESIZ 5
#endif /* CFG_DRIVER_INF_NAME_CHANGE */

#if CFG_SUPPORT_SNIFFER
#define NIC_MONITOR_INF_NAME	"radiotap%d"
#endif

UINT_8 aucDebugModule[DBG_MODULE_NUM];


/* 4 2007/06/26, mikewu, now we don't use this, we just fix the number of wlan device to 1 */
static WLANDEV_INFO_T arWlanDevInfo[CFG_MAX_WLAN_DEVICES] = { {0} };

static UINT_32 u4WlanDevNum;	/* How many NICs coexist now */

#if CFG_SUPPORT_CAL_RESULT_BACKUP_TO_HOST
BOOLEAN	g_fgIsCalDataBackuped = FALSE;
#endif

/**20150205 added work queue for sched_scan to avoid cfg80211 stop schedule scan dead loack**/
struct delayed_work sched_workq;

#define CFG_EEPRM_FILENAME    "EEPROM"
#define FILE_NAME_MAX     64

#if (CFG_EFUSE_BUFFER_MODE_DELAY_CAL == 1)
static PUINT_8 apucEepromName[] = {
	(PUINT_8) CFG_EEPRM_FILENAME "_MT",
	NULL
};
#endif

int CFG80211_Suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wow)
{
	DBGLOG(INIT, INFO, "CFG80211 suspend CB\n");

	return 0;
}

int CFG80211_Resume(struct wiphy *wiphy)
{
	DBGLOG(INIT, INFO, "CFG80211 resume CB\n");

	return 0;
}

/*******************************************************************************
*                           P R I V A T E   D A T A
********************************************************************************
*/

#define CHAN2G(_channel, _freq, _flags)         \
{                                           \
	.band               = IEEE80211_BAND_2GHZ,  \
	.center_freq        = (_freq),              \
	.hw_value           = (_channel),           \
	.flags              = (_flags),             \
	.max_antenna_gain   = 0,                    \
	.max_power          = 30,                   \
}
static struct ieee80211_channel mtk_2ghz_channels[] = {
	CHAN2G(1, 2412, 0),
	CHAN2G(2, 2417, 0),
	CHAN2G(3, 2422, 0),
	CHAN2G(4, 2427, 0),
	CHAN2G(5, 2432, 0),
	CHAN2G(6, 2437, 0),
	CHAN2G(7, 2442, 0),
	CHAN2G(8, 2447, 0),
	CHAN2G(9, 2452, 0),
	CHAN2G(10, 2457, 0),
	CHAN2G(11, 2462, 0),
	CHAN2G(12, 2467, 0),
	CHAN2G(13, 2472, 0),
	CHAN2G(14, 2484, 0),
};

#define CHAN5G(_channel, _flags)                    \
{                                               \
	.band               = IEEE80211_BAND_5GHZ,      \
	.center_freq        = 5000 + (5 * (_channel)),  \
	.hw_value           = (_channel),               \
	.flags              = (_flags),                 \
	.max_antenna_gain   = 0,                        \
	.max_power          = 30,                       \
}
static struct ieee80211_channel mtk_5ghz_channels[] = {
	CHAN5G(34, 0), CHAN5G(36, 0),
	CHAN5G(38, 0), CHAN5G(40, 0),
	CHAN5G(42, 0), CHAN5G(44, 0),
	CHAN5G(46, 0), CHAN5G(48, 0),
	CHAN5G(52, 0), CHAN5G(56, 0),
	CHAN5G(60, 0), CHAN5G(64, 0),
	CHAN5G(100, 0), CHAN5G(104, 0),
	CHAN5G(108, 0), CHAN5G(112, 0),
	CHAN5G(116, 0), CHAN5G(120, 0),
	CHAN5G(124, 0), CHAN5G(128, 0),
	CHAN5G(132, 0), CHAN5G(136, 0),
	CHAN5G(140, 0), CHAN5G(149, 0),
	CHAN5G(153, 0), CHAN5G(157, 0),
	CHAN5G(161, 0), CHAN5G(165, 0),
	CHAN5G(169, 0), CHAN5G(173, 0),
	CHAN5G(184, 0), CHAN5G(188, 0),
	CHAN5G(192, 0), CHAN5G(196, 0),
	CHAN5G(200, 0), CHAN5G(204, 0),
	CHAN5G(208, 0), CHAN5G(212, 0),
	CHAN5G(216, 0),
};

#define RATETAB_ENT(_rate, _rateid, _flags) \
{                                       \
	.bitrate    = (_rate),              \
	.hw_value   = (_rateid),            \
	.flags      = (_flags),             \
}

/* for cfg80211 - rate table */
static struct ieee80211_rate mtk_rates[] = {
	RATETAB_ENT(10, 0x1000, 0),
	RATETAB_ENT(20, 0x1001, 0),
	RATETAB_ENT(55, 0x1002, 0),
	RATETAB_ENT(110, 0x1003, 0),	/* 802.11b */
	RATETAB_ENT(60, 0x2000, 0),
	RATETAB_ENT(90, 0x2001, 0),
	RATETAB_ENT(120, 0x2002, 0),
	RATETAB_ENT(180, 0x2003, 0),
	RATETAB_ENT(240, 0x2004, 0),
	RATETAB_ENT(360, 0x2005, 0),
	RATETAB_ENT(480, 0x2006, 0),
	RATETAB_ENT(540, 0x2007, 0),	/* 802.11a/g */
};

#define mtk_a_rates         (mtk_rates + 4)
#define mtk_a_rates_size    (ARRAY_SIZE(mtk_rates) - 4)
#define mtk_g_rates         (mtk_rates + 0)
#define mtk_g_rates_size    (ARRAY_SIZE(mtk_rates) - 0)

#define WLAN_MCS_INFO                                 \
{                                                       \
	.rx_mask        = {0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0},\
	.rx_highest     = 0,                                \
	.tx_params      = IEEE80211_HT_MCS_TX_DEFINED,      \
}

#define WLAN_HT_CAP                                   \
{                                                       \
	.ht_supported   = true,                             \
	.cap            = IEEE80211_HT_CAP_SUP_WIDTH_20_40  \
			| IEEE80211_HT_CAP_SM_PS            \
			| IEEE80211_HT_CAP_GRN_FLD          \
			| IEEE80211_HT_CAP_SGI_20           \
			| IEEE80211_HT_CAP_SGI_40,          \
	.ampdu_factor   = IEEE80211_HT_MAX_AMPDU_64K,       \
	.ampdu_density  = IEEE80211_HT_MPDU_DENSITY_NONE,   \
	.mcs            = WLAN_MCS_INFO,                  \
}

/* public for both Legacy Wi-Fi / P2P access */
struct ieee80211_supported_band mtk_band_2ghz = {
	.band = IEEE80211_BAND_2GHZ,
	.channels = mtk_2ghz_channels,
	.n_channels = ARRAY_SIZE(mtk_2ghz_channels),
	.bitrates = mtk_g_rates,
	.n_bitrates = mtk_g_rates_size,
	.ht_cap = WLAN_HT_CAP,
};

/* public for both Legacy Wi-Fi / P2P access */
struct ieee80211_supported_band mtk_band_5ghz = {
	.band = IEEE80211_BAND_5GHZ,
	.channels = mtk_5ghz_channels,
	.n_channels = ARRAY_SIZE(mtk_5ghz_channels),
	.bitrates = mtk_a_rates,
	.n_bitrates = mtk_a_rates_size,
	.ht_cap = WLAN_HT_CAP,
};

const UINT_32 mtk_cipher_suites[5] = {
	/* keep WEP first, it may be removed below */
	WLAN_CIPHER_SUITE_WEP40,
	WLAN_CIPHER_SUITE_WEP104,
	WLAN_CIPHER_SUITE_TKIP,
	WLAN_CIPHER_SUITE_CCMP,

	/* keep last -- depends on hw flags! */
	WLAN_CIPHER_SUITE_AES_CMAC
};

static struct cfg80211_ops mtk_wlan_ops = {
	.change_virtual_intf = mtk_cfg80211_change_iface,
	.add_key = mtk_cfg80211_add_key,
	.get_key = mtk_cfg80211_get_key,
	.del_key = mtk_cfg80211_del_key,
	.set_default_key = mtk_cfg80211_set_default_key,
	.get_station = mtk_cfg80211_get_station,
#if CFG_SUPPORT_TDLS
	.change_station = mtk_cfg80211_change_station,
	.add_station = mtk_cfg80211_add_station,
	.del_station = mtk_cfg80211_del_station,
#endif
	.scan = mtk_cfg80211_scan,
	.connect = mtk_cfg80211_connect,
	.disconnect = mtk_cfg80211_disconnect,
	.join_ibss = mtk_cfg80211_join_ibss,
	.leave_ibss = mtk_cfg80211_leave_ibss,
	.set_power_mgmt = mtk_cfg80211_set_power_mgmt,
	.set_pmksa = mtk_cfg80211_set_pmksa,
	.del_pmksa = mtk_cfg80211_del_pmksa,
	.flush_pmksa = mtk_cfg80211_flush_pmksa,
#if CONFIG_SUPPORT_GTK_REKEY
	.set_rekey_data = mtk_cfg80211_set_rekey_data,
#endif
	.suspend = mtk_cfg80211_suspend,
	.resume = CFG80211_Resume,

	.assoc = mtk_cfg80211_assoc,

	/* Action Frame TX/RX */
	.remain_on_channel = mtk_cfg80211_remain_on_channel,
	.cancel_remain_on_channel = mtk_cfg80211_cancel_remain_on_channel,
	.mgmt_tx = mtk_cfg80211_mgmt_tx,
	/* .mgmt_tx_cancel_wait        = mtk_cfg80211_mgmt_tx_cancel_wait, */
	.mgmt_frame_register = mtk_cfg80211_mgmt_frame_register,

#ifdef CONFIG_NL80211_TESTMODE
	.testmode_cmd = mtk_cfg80211_testmode_cmd,
#endif
#if 0				/* Remove schedule_scan because we need more verification for NLO */
	.sched_scan_start = mtk_cfg80211_sched_scan_start,
	.sched_scan_stop = mtk_cfg80211_sched_scan_stop,
#endif
#if CFG_SUPPORT_TDLS
	.tdls_oper = mtk_cfg80211_tdls_oper,
	.tdls_mgmt = mtk_cfg80211_tdls_mgmt,
#endif
};

#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)

static const struct wiphy_vendor_command mtk_wlan_vendor_ops[] = {
	{
		{
			.vendor_id = GOOGLE_OUI,
			.subcmd = WIFI_SUBCMD_GET_CHANNEL_LIST
		},
		.flags = WIPHY_VENDOR_CMD_NEED_WDEV | WIPHY_VENDOR_CMD_NEED_NETDEV,
		.doit = mtk_cfg80211_vendor_get_channel_list
	},
	{
		{
			.vendor_id = GOOGLE_OUI,
			.subcmd = WIFI_SUBCMD_SET_COUNTRY_CODE
		},
		.flags = WIPHY_VENDOR_CMD_NEED_WDEV | WIPHY_VENDOR_CMD_NEED_NETDEV,
		.doit = mtk_cfg80211_vendor_set_country_code
	}

};

static const struct nl80211_vendor_cmd_info mtk_wlan_vendor_events[] = {
	{
		.vendor_id = GOOGLE_OUI,
		.subcmd = GSCAN_EVENT_SIGNIFICANT_CHANGE_RESULTS
	},
	{
		.vendor_id = GOOGLE_OUI,
		.subcmd = GSCAN_EVENT_HOTLIST_RESULTS_FOUND
	},
	{
		.vendor_id = GOOGLE_OUI,
		.subcmd = GSCAN_EVENT_SCAN_RESULTS_AVAILABLE
	},
	{
		.vendor_id = GOOGLE_OUI,
		.subcmd = GSCAN_EVENT_FULL_SCAN_RESULTS
	},
	{
		.vendor_id = GOOGLE_OUI,
		.subcmd = RTT_EVENT_COMPLETE
	},
	{
		.vendor_id = GOOGLE_OUI,
		.subcmd = GSCAN_EVENT_COMPLETE_SCAN
	},
	{
		.vendor_id = GOOGLE_OUI,
		.subcmd = GSCAN_EVENT_HOTLIST_RESULTS_LOST
	},
};
#endif

/* There isn't a lot of sense in it, but you can transmit anything you like */
static const struct ieee80211_txrx_stypes
	mtk_cfg80211_ais_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_PROBE_REQ >> 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_PROBE_REQ >> 4) | BIT(IEEE80211_STYPE_ACTION >> 4)
				   }
};

#ifdef CONFIG_PM
static const struct wiphy_wowlan_support mtk_wlan_wowlan_support = {
	.flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | WIPHY_WOWLAN_ANY,
};
#endif

/*******************************************************************************
*                                 M A C R O S
********************************************************************************
*/

/*******************************************************************************
*                   F U N C T I O N   D E C L A R A T I O N S
********************************************************************************
*/

/*******************************************************************************
*                              F U N C T I O N S
********************************************************************************
*/

#if 0
/*----------------------------------------------------------------------------*/
/*!
* \brief Override the implementation of select queue
*
* \param[in] dev Pointer to struct net_device
* \param[in] skb Pointer to struct skb_buff
*
* \return (none)
*/
/*----------------------------------------------------------------------------*/
unsigned int _cfg80211_classify8021d(struct sk_buff *skb)
{
	unsigned int dscp = 0;

	/* skb->priority values from 256->263 are magic values
	 * directly indicate a specific 802.1d priority.  This is
	 * to allow 802.1d priority to be passed directly in from
	 * tags
	 */

	if (skb->priority >= 256 && skb->priority <= 263)
		return skb->priority - 256;
	switch (skb->protocol) {
	case htons(ETH_P_IP):
		dscp = ip_hdr(skb)->tos & 0xfc;
		break;
	}
	return dscp >> 5;
}
#endif

#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0)
UINT_16 wlanSelectQueue(struct net_device *dev, struct sk_buff *skb,
			void *accel_priv, select_queue_fallback_t fallback)
{
	UINT_16 au16Wlan1dToQueueIdx[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };

	/* Use Linux wireless utility function */
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0)
	skb->priority = cfg80211_classify8021d(skb);
#else
	skb->priority = cfg80211_classify8021d(skb, NULL);
#endif

	return au16Wlan1dToQueueIdx[skb->priority];
}
#else
UINT_16 wlanSelectQueue(struct net_device *dev, struct sk_buff *skb)
{
	UINT_16 au16Wlan1dToQueueIdx[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };

	/* Use Linux wireless utility function */
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0)
	skb->priority = cfg80211_classify8021d(skb);
#else
	skb->priority = cfg80211_classify8021d(skb, NULL);
#endif

	return au16Wlan1dToQueueIdx[skb->priority];
}
#endif
/*----------------------------------------------------------------------------*/
/*!
* \brief Load NVRAM data and translate it into REG_INFO_T
*
* \param[in]  prGlueInfo Pointer to struct GLUE_INFO_T
* \param[out] prRegInfo  Pointer to struct REG_INFO_T
*
* \return (none)
*/
/*----------------------------------------------------------------------------*/
static void glLoadNvram(IN P_GLUE_INFO_T prGlueInfo, OUT P_REG_INFO_T prRegInfo)
{
	UINT_32 i, j;
	UINT_8 aucTmp[2];
	PUINT_8 pucDest;

	ASSERT(prGlueInfo);
	ASSERT(prRegInfo);

	if ((!prGlueInfo) || (!prRegInfo))
		return;

	if (kalCfgDataRead16(prGlueInfo, sizeof(WIFI_CFG_PARAM_STRUCT) - sizeof(UINT_16), (PUINT_16) aucTmp) == TRUE) {
		prGlueInfo->fgNvramAvailable = TRUE;

		/* load MAC Address */
		for (i = 0; i < PARAM_MAC_ADDR_LEN; i += sizeof(UINT_16)) {
			kalCfgDataRead16(prGlueInfo,
					 OFFSET_OF(WIFI_CFG_PARAM_STRUCT, aucMacAddress) + i,
					 (PUINT_16) (((PUINT_8) prRegInfo->aucMacAddr) + i));
		}

		/* load country code */
		kalCfgDataRead16(prGlueInfo, OFFSET_OF(WIFI_CFG_PARAM_STRUCT, aucCountryCode[0]), (PUINT_16) aucTmp);

		/* cast to wide characters */
		prRegInfo->au2CountryCode[0] = (UINT_16) aucTmp[0];
		prRegInfo->au2CountryCode[1] = (UINT_16) aucTmp[1];

		/* load default normal TX power */
		for (i = 0; i < sizeof(TX_PWR_PARAM_T); i += sizeof(UINT_16)) {
			kalCfgDataRead16(prGlueInfo,
					 OFFSET_OF(WIFI_CFG_PARAM_STRUCT, rTxPwr) + i,
					 (PUINT_16) (((PUINT_8) &(prRegInfo->rTxPwr)) + i));
		}

		/* load feature flags */
		kalCfgDataRead16(prGlueInfo, OFFSET_OF(WIFI_CFG_PARAM_STRUCT, ucTxPwrValid), (PUINT_16) aucTmp);
		prRegInfo->ucTxPwrValid = aucTmp[0];
		prRegInfo->ucSupport5GBand = aucTmp[1];

		kalCfgDataRead16(prGlueInfo, OFFSET_OF(WIFI_CFG_PARAM_STRUCT, uc2G4BwFixed20M), (PUINT_16) aucTmp);
		prRegInfo->uc2G4BwFixed20M = aucTmp[0];
		prRegInfo->uc5GBwFixed20M = aucTmp[1];

		kalCfgDataRead16(prGlueInfo, OFFSET_OF(WIFI_CFG_PARAM_STRUCT, ucEnable5GBand), (PUINT_16) aucTmp);
		prRegInfo->ucEnable5GBand = aucTmp[0];
		prRegInfo->ucRxDiversity = aucTmp[1];

		kalCfgDataRead16(prGlueInfo,
				 OFFSET_OF(WIFI_CFG_PARAM_STRUCT, fgRssiCompensationVaildbit), (PUINT_16) aucTmp);
		prRegInfo->ucRssiPathCompasationUsed = aucTmp[0];
		prRegInfo->ucGpsDesense = aucTmp[1];

#if CFG_SUPPORT_NVRAM_5G
		/* load EFUSE overriding part */
		for (i = 0; i < sizeof(prRegInfo->aucEFUSE); i += sizeof(UINT_16)) {
			kalCfgDataRead16(prGlueInfo,
					 OFFSET_OF(WIFI_CFG_PARAM_STRUCT, EfuseMapping) + i,
					 (PUINT_16) (((PUINT_8) &(prRegInfo->aucEFUSE)) + i));
		}

		prRegInfo->prOldEfuseMapping = (P_NEW_EFUSE_MAPPING2NVRAM_T)&prRegInfo->aucEFUSE;
#else

/* load EFUSE overriding part */
		for (i = 0; i < sizeof(prRegInfo->aucEFUSE); i += sizeof(UINT_16)) {
			kalCfgDataRead16(prGlueInfo,
					 OFFSET_OF(WIFI_CFG_PARAM_STRUCT, aucEFUSE) + i,
					 (PUINT_16) (((PUINT_8) &(prRegInfo->aucEFUSE)) + i));
		}
#endif

		/* load band edge tx power control */
		kalCfgDataRead16(prGlueInfo, OFFSET_OF(WIFI_CFG_PARAM_STRUCT, fg2G4BandEdgePwrUsed), (PUINT_16) aucTmp);
		prRegInfo->fg2G4BandEdgePwrUsed = (BOOLEAN) aucTmp[0];
		if (aucTmp[0]) {
			prRegInfo->cBandEdgeMaxPwrCCK = (INT_8) aucTmp[1];

			kalCfgDataRead16(prGlueInfo,
					 OFFSET_OF(WIFI_CFG_PARAM_STRUCT, cBandEdgeMaxPwrOFDM20), (PUINT_16) aucTmp);
			prRegInfo->cBandEdgeMaxPwrOFDM20 = (INT_8) aucTmp[0];
			prRegInfo->cBandEdgeMaxPwrOFDM40 = (INT_8) aucTmp[1];
		}

		/* load regulation subbands */
		kalCfgDataRead16(prGlueInfo, OFFSET_OF(WIFI_CFG_PARAM_STRUCT, ucRegChannelListMap), (PUINT_16) aucTmp);
		prRegInfo->eRegChannelListMap = (ENUM_REG_CH_MAP_T) aucTmp[0];
		prRegInfo->ucRegChannelListIndex = aucTmp[1];

		if (prRegInfo->eRegChannelListMap == REG_CH_MAP_CUSTOMIZED) {
			for (i = 0; i < MAX_SUBBAND_NUM; i++) {
				pucDest = (PUINT_8) &prRegInfo->rDomainInfo.rSubBand[i];
				for (j = 0; j < 6; j += sizeof(UINT_16)) {
					kalCfgDataRead16(prGlueInfo, OFFSET_OF(WIFI_CFG_PARAM_STRUCT, aucRegSubbandInfo)
							 + (i * 6 + j), (PUINT_16) aucTmp);

					*pucDest++ = aucTmp[0];
					*pucDest++ = aucTmp[1];
				}
			}
		}

		/* load rssiPathCompensation */
		for (i = 0; i < sizeof(RSSI_PATH_COMPASATION_T); i += sizeof(UINT_16)) {
			kalCfgDataRead16(prGlueInfo,
					 OFFSET_OF(WIFI_CFG_PARAM_STRUCT,
						   rRssiPathCompensation) + i,
					 (PUINT_16) (((PUINT_8) &(prRegInfo->rRssiPathCompasation))
						     + i));
		}
#if 1
		/* load full NVRAM */
		for (i = 0; i < sizeof(WIFI_CFG_PARAM_STRUCT); i += sizeof(UINT_16)) {
			kalCfgDataRead16(prGlueInfo,
					 OFFSET_OF(WIFI_CFG_PARAM_STRUCT, u2Part1OwnVersion) + i,
					 (PUINT_16) (((PUINT_8) &(prRegInfo->aucNvram)) + i));
		}
		prRegInfo->prNvramSettings = (P_WIFI_CFG_PARAM_STRUCT)&prRegInfo->aucNvram;
#endif
	} else {
		DBGLOG(INIT, INFO, "glLoadNvram fail\n");
		prGlueInfo->fgNvramAvailable = FALSE;
	}

}

/*----------------------------------------------------------------------------*/
/*!
* \brief Release prDev from wlandev_array and free tasklet object related to it.
*
* \param[in] prDev  Pointer to struct net_device
*
* \return (none)
*/
/*----------------------------------------------------------------------------*/
static void wlanClearDevIdx(struct net_device *prDev)
{
	int i;

	ASSERT(prDev);

	for (i = 0; i < CFG_MAX_WLAN_DEVICES; i++) {
		if (arWlanDevInfo[i].prDev == prDev) {
			arWlanDevInfo[i].prDev = NULL;
			u4WlanDevNum--;
		}
	}

}				/* end of wlanClearDevIdx() */

/*----------------------------------------------------------------------------*/
/*!
* \brief Allocate an unique interface index, net_device::ifindex member for this
*        wlan device. Store the net_device in wlandev_array, and initialize
*        tasklet object related to it.
*
* \param[in] prDev  Pointer to struct net_device
*
* \retval >= 0      The device number.
* \retval -1        Fail to get index.
*/
/*----------------------------------------------------------------------------*/
static int wlanGetDevIdx(struct net_device *prDev)
{
	int i;

	ASSERT(prDev);

	for (i = 0; i < CFG_MAX_WLAN_DEVICES; i++) {
		if (arWlanDevInfo[i].prDev == (struct net_device *)NULL) {
			/* Reserve 2 bytes space to store one digit of
			 * device number and NULL terminator.
			 */
			arWlanDevInfo[i].prDev = prDev;
			u4WlanDevNum++;
			return i;
		}
	}

	return -1;
}				/* end of wlanGetDevIdx() */

/*----------------------------------------------------------------------------*/
/*!
* \brief A method of struct net_device, a primary SOCKET interface to configure
*        the interface lively. Handle an ioctl call on one of our devices.
*        Everything Linux ioctl specific is done here. Then we pass the contents
*        of the ifr->data to the request message handler.
*
* \param[in] prDev      Linux kernel netdevice
*
* \param[in] prIFReq    Our private ioctl request structure, typed for the generic
*                       struct ifreq so we can use ptr to function
*
* \param[in] cmd        Command ID
*
* \retval WLAN_STATUS_SUCCESS The IOCTL command is executed successfully.
* \retval OTHER The execution of IOCTL command is failed.
*/
/*----------------------------------------------------------------------------*/
int wlanDoIOCTL(struct net_device *prDev, struct ifreq *prIfReq, int i4Cmd)
{
	P_GLUE_INFO_T prGlueInfo = NULL;
	int ret = 0;

	/* Verify input parameters for the following functions */
	ASSERT(prDev && prIfReq);
	if (!prDev || !prIfReq) {
		DBGLOG(INIT, ERROR, "Invalid input data\n");
		return -EINVAL;
	}

	prGlueInfo = *((P_GLUE_INFO_T *) netdev_priv(prDev));
	if (!prGlueInfo) {
		DBGLOG(INIT, ERROR, "prGlueInfo is NULL\n");
		return -EFAULT;
	}

	if (prGlueInfo->u4ReadyFlag == 0) {
		DBGLOG(INIT, ERROR, "Adapter is not ready\n");
		return -EINVAL;
	}

	if ((i4Cmd >= SIOCIWFIRST) && (i4Cmd < SIOCIWFIRSTPRIV)) {
		/* 0x8B00 ~ 0x8BDF, wireless extension region */
		ret = wext_support_ioctl(prDev, prIfReq, i4Cmd);
	} else if ((i4Cmd >= SIOCIWFIRSTPRIV) && (i4Cmd < SIOCIWLASTPRIV)) {
		/* 0x8BE0 ~ 0x8BFF, private ioctl region */
		ret = priv_support_ioctl(prDev, prIfReq, i4Cmd);
	} else if (i4Cmd == SIOCDEVPRIVATE + 1) {
		ret = priv_support_driver_cmd(prDev, prIfReq, i4Cmd);
	} else {
		DBGLOG(INIT, WARN, "Unexpected ioctl command: 0x%04x\n", i4Cmd);
		ret = -EOPNOTSUPP;
	}

	return ret;
}				/* end of wlanDoIOCTL() */

/*----------------------------------------------------------------------------*/
/*!
* \brief Export wlan GLUE_INFO_T pointer to p2p module
*
* \param[in]  prGlueInfo Pointer to struct GLUE_INFO_T
*
* \return TRUE: get GlueInfo pointer successfully
*            FALSE: wlan is not started yet
*/
/*---------------------------------------------------------------------------*/
P_GLUE_INFO_T wlanGetGlueInfo(VOID)
{
	struct net_device *prDev = NULL;
	P_GLUE_INFO_T prGlueInfo = NULL;

	if (u4WlanDevNum == 0)
		return NULL;

	prDev = arWlanDevInfo[u4WlanDevNum - 1].prDev;
	if (prDev == NULL)
		return NULL;

	prGlueInfo = *((P_GLUE_INFO_T *) netdev_priv(prDev));

	return prGlueInfo;
}

/*----------------------------------------------------------------------------*/
/*!
* \brief This function is to set multicast list and set rx mode.
*
* \param[in] prDev  Pointer to struct net_device
*
* \return (none)
*/
/*----------------------------------------------------------------------------*/

static struct delayed_work workq;
struct net_device *gPrDev;

static void wlanSetMulticastList(struct net_device *prDev)
{
	/* Allow to receive all multicast for WOW */
	DBGLOG(INIT, INFO, "wlanSetMulticastList\n");
	prDev->flags |= (IFF_MULTICAST | IFF_ALLMULTI);
	gPrDev = prDev;
	schedule_delayed_work(&workq, 0);
}

/* FIXME: Since we cannot sleep in the wlanSetMulticastList, we arrange
 * another workqueue for sleeping. We don't want to block
 * main_thread, so we can't let tx_thread to do this
 */

static void wlanSetMulticastListWorkQueue(struct work_struct *work)
{

	P_GLUE_INFO_T prGlueInfo = NULL;
	UINT_32 u4PacketFilter = 0;
	UINT_32 u4SetInfoLen;
	struct net_device *prDev = gPrDev;

	down(&g_halt_sem);
	if (g_u4HaltFlag) {
		up(&g_halt_sem);
		return;
	}

	prGlueInfo = (prDev != NULL) ? *((P_GLUE_INFO_T *) netdev_priv(prDev)) : NULL;
	ASSERT(prDev);
	ASSERT(prGlueInfo);
	if (!prDev || !prGlueInfo) {
		DBGLOG(INIT, WARN, "abnormal dev or skb: prDev(0x%p), prGlueInfo(0x%p)\n", prDev, prGlueInfo);
		up(&g_halt_sem);
		return;
	}

	DBGLOG(INIT, INFO, "wlanSetMulticastListWorkQueue prDev->flags:0x%x\n", prDev->flags);

	if (prDev->flags & IFF_PROMISC)
		u4PacketFilter |= PARAM_PACKET_FILTER_PROMISCUOUS;

	if (prDev->flags & IFF_BROADCAST)
		u4PacketFilter |= PARAM_PACKET_FILTER_BROADCAST;

	if (prDev->flags & IFF_MULTICAST) {
		if ((prDev->flags & IFF_ALLMULTI) || (netdev_mc_count(prDev) > MAX_NUM_GROUP_ADDR))
			u4PacketFilter |= PARAM_PACKET_FILTER_ALL_MULTICAST;
		else
			u4PacketFilter |= PARAM_PACKET_FILTER_MULTICAST;
	}

	up(&g_halt_sem);

	if (kalIoctl(prGlueInfo,
		     wlanoidSetCurrentPacketFilter,
		     &u4PacketFilter,
		     sizeof(u4PacketFilter), FALSE, FALSE, TRUE, &u4SetInfoLen) != WLAN_STATUS_SUCCESS) {
		return;
	}

	if (u4PacketFilter & PARAM_PACKET_FILTER_MULTICAST) {
		/* Prepare multicast address list */
		struct netdev_hw_addr *ha;
		PUINT_8 prMCAddrList = NULL;
		UINT_32 i = 0;

		down(&g_halt_sem);
		if (g_u4HaltFlag) {
			up(&g_halt_sem);
			return;
		}

		prMCAddrList = kalMemAlloc(MAX_NUM_GROUP_ADDR * ETH_ALEN, VIR_MEM_TYPE);

		netdev_for_each_mc_addr(ha, prDev) {
			if (i < MAX_NUM_GROUP_ADDR) {
				kalMemCopy((prMCAddrList + i * ETH_ALEN), ha->addr, ETH_ALEN);
				i++;
			}
		}

		up(&g_halt_sem);

		kalIoctl(prGlueInfo,
			 wlanoidSetMulticastList, prMCAddrList, (i * ETH_ALEN), FALSE, FALSE, TRUE, &u4SetInfoLen);

		kalMemFree(prMCAddrList, VIR_MEM_TYPE, MAX_NUM_GROUP_ADDR * ETH_ALEN);
	}

}				/* end of wlanSetMulticastList() */

/*----------------------------------------------------------------------------*/
/*!
* \brief    To indicate scheduled scan has been stopped
*
* \param[in]
*           prGlueInfo
*
* \return
*           None
*/
/*----------------------------------------------------------------------------*/
VOID wlanSchedScanStoppedWorkQueue(struct work_struct *work)
{
	P_GLUE_INFO_T prGlueInfo = NULL;
	struct net_device *prDev = gPrDev;

	DBGLOG(SCN, INFO, "wlanSchedScanStoppedWorkQueue\n");
	prGlueInfo = (prDev != NULL) ? *((P_GLUE_INFO_T *) netdev_priv(prDev)) : NULL;
	if (!prGlueInfo) {
		DBGLOG(SCN, INFO, "prGlueInfo == NULL unexpected\n");
		return;
	}

	/* 2. indication to cfg80211 */
	/* 20150205 change cfg80211_sched_scan_stopped to work queue due to sched_scan_mtx dead lock issue */
	cfg80211_sched_scan_stopped(priv_to_wiphy(prGlueInfo));
	DBGLOG(SCN, INFO,
	       "cfg80211_sched_scan_stopped event send done WorkQueue thread return from wlanSchedScanStoppedWorkQueue\n");
	return;

}

/* FIXME: Since we cannot sleep in the wlanSetMulticastList, we arrange
 * another workqueue for sleeping. We don't want to block
 * main_thread, so we can't let tx_thread to do this
 */

void p2pSetMulticastListWorkQueueWrapper(P_GLUE_INFO_T prGlueInfo)
{

	ASSERT(prGlueInfo);

	if (!prGlueInfo) {
		DBGLOG(INIT, WARN, "abnormal dev or skb: prGlueInfo(0x%p)\n", prGlueInfo);
		return;
	}
#if CFG_ENABLE_WIFI_DIRECT
	if (prGlueInfo->prAdapter->fgIsP2PRegistered)
		mtk_p2p_wext_set_Multicastlist(prGlueInfo);
#endif

}				/* end of p2pSetMulticastListWorkQueueWrapper() */

/*----------------------------------------------------------------------------*/
/*
* \brief This function is TX entry point of NET DEVICE.
*
* \param[in] prSkb  Pointer of the sk_buff to be sent
* \param[in] prDev  Pointer to struct net_device
*
* \retval NETDEV_TX_OK - on success.
* \retval NETDEV_TX_BUSY - on failure, packet will be discarded by upper layer.
*/
/*----------------------------------------------------------------------------*/
int wlanHardStartXmit(struct sk_buff *prSkb, struct net_device *prDev)
{
	P_NETDEV_PRIVATE_GLUE_INFO prNetDevPrivate = (P_NETDEV_PRIVATE_GLUE_INFO) NULL;
	P_GLUE_INFO_T prGlueInfo = *((P_GLUE_INFO_T *) netdev_priv(prDev));
	UINT_8 ucBssIndex;

	ASSERT(prSkb);
	ASSERT(prDev);
	ASSERT(prGlueInfo);

	prNetDevPrivate = (P_NETDEV_PRIVATE_GLUE_INFO) netdev_priv(prDev);
	ASSERT(prNetDevPrivate->prGlueInfo == prGlueInfo);
	ucBssIndex = prNetDevPrivate->ucBssIdx;

#if CFG_SUPPORT_PASSPOINT
	if (prGlueInfo->fgIsDad) {
		/* kalPrint("[Passpoint R2] Due to ipv4_dad...TX is forbidden\n"); */
		dev_kfree_skb(prSkb);
		return NETDEV_TX_OK;
	}
	if (prGlueInfo->fgIs6Dad) {
		/* kalPrint("[Passpoint R2] Due to ipv6_dad...TX is forbidden\n"); */
		dev_kfree_skb(prSkb);
		return NETDEV_TX_OK;
	}
#endif /* CFG_SUPPORT_PASSPOINT */

	kalResetPacket(prGlueInfo, (P_NATIVE_PACKET) prSkb);

	if (kalHardStartXmit(prSkb, prDev, prGlueInfo, ucBssIndex) == WLAN_STATUS_SUCCESS) {
		/* Successfully enqueue to Tx queue */
		/* Successfully enqueue to Tx queue */
	}

	/* For Linux, we'll always return OK FLAG, because we'll free this skb by ourself */
	return NETDEV_TX_OK;
}				/* end of wlanHardStartXmit() */

/*----------------------------------------------------------------------------*/
/*!
* \brief A method of struct net_device, to get the network interface statistical
*        information.
*
* Whenever an application needs to get statistics for the interface, this method
* is called. This happens, for example, when ifconfig or netstat -i is run.
*
* \param[in] prDev      Pointer to struct net_device.
*
* \return net_device_stats buffer pointer.
*/
/*----------------------------------------------------------------------------*/
struct net_device_stats *wlanGetStats(IN struct net_device *prDev)
{
	return (struct net_device_stats *)kalGetStats(prDev);
}				/* end of wlanGetStats() */

VOID wlanDebugInit(VOID)
{
	UINT_8 i;

	/* Set the initial debug level of each module */
#if DBG
	for (i = 0; i < DBG_MODULE_NUM; i++)
		aucDebugModule[i] = DBG_CLASS_MASK;	/* enable all */
#else
#ifdef CFG_DEFAULT_DBG_LEVEL
	for (i = 0; i < DBG_MODULE_NUM; i++)
		aucDebugModule[i] = CFG_DEFAULT_DBG_LEVEL;
#else

	for (i = 0; i < DBG_MODULE_NUM; i++) {
		aucDebugModule[i] = DBG_CLASS_ERROR |
			DBG_CLASS_WARN | DBG_CLASS_STATE | DBG_CLASS_EVENT | DBG_CLASS_INFO;
	}
	aucDebugModule[DBG_TX_IDX] &= ~(DBG_CLASS_EVENT | DBG_CLASS_INFO);
	aucDebugModule[DBG_RX_IDX] &= ~(DBG_CLASS_EVENT | DBG_CLASS_INFO);
	aucDebugModule[DBG_REQ_IDX] &= ~(DBG_CLASS_EVENT | DBG_CLASS_INFO);
	aucDebugModule[DBG_INTR_IDX] = 0;
	aucDebugModule[DBG_MEM_IDX] = DBG_CLASS_ERROR | DBG_CLASS_WARN;
	aucDebugModule[DBG_REQ_IDX] = DBG_CLASS_MASK;

#endif
#endif /* DBG */

	LOG_FUNC("Reset ALL DBG module log level to DEFAULT!");

}

WLAN_STATUS wlanSetDebugLevel(IN UINT_32 u4DbgIdx, IN UINT_32 u4DbgMask)
{
	UINT_32 u4Idx;
	WLAN_STATUS fgStatus = WLAN_STATUS_SUCCESS;

	if (u4DbgIdx == DBG_ALL_MODULE_IDX) {
		for (u4Idx = 0; u4Idx < DBG_MODULE_NUM; u4Idx++)
			aucDebugModule[u4Idx] = (UINT_8) u4DbgMask;
		LOG_FUNC("Set ALL DBG module log level to [0x%02x]\n", u4DbgMask);
	} else if (u4DbgIdx < DBG_MODULE_NUM) {
		aucDebugModule[u4DbgIdx] = (UINT_8) u4DbgMask;
		LOG_FUNC("Set DBG module[%u] log level to [0x%02x]\n", u4DbgIdx, u4DbgMask);
	} else {
		fgStatus = WLAN_STATUS_FAILURE;
	}

	return fgStatus;
}

WLAN_STATUS wlanGetDebugLevel(IN UINT_32 u4DbgIdx, OUT PUINT_32 pu4DbgMask)
{
	if (u4DbgIdx < DBG_MODULE_NUM) {
		*pu4DbgMask = aucDebugModule[u4DbgIdx];
		return WLAN_STATUS_SUCCESS;
	}

	return WLAN_STATUS_FAILURE;
}

/*----------------------------------------------------------------------------*/
/*!
* \brief A function for prDev->init
*
* \param[in] prDev      Pointer to struct net_device.
*
* \retval 0         The execution of wlanInit succeeds.
* \retval -ENXIO    No such device.
*/
/*----------------------------------------------------------------------------*/
static int wlanInit(struct net_device *prDev)
{
	P_GLUE_INFO_T prGlueInfo = NULL;

	if (!prDev)
		return -ENXIO;

	prGlueInfo = *((P_GLUE_INFO_T *) netdev_priv(prDev));
	INIT_DELAYED_WORK(&workq, wlanSetMulticastListWorkQueue);

/* 20150205 work queue for sched_scan */
	INIT_DELAYED_WORK(&sched_workq, wlanSchedScanStoppedWorkQueue);

/* 20161024 init wow port setting */
#if CFG_WOW_SUPPORT
	kalWowInit(prGlueInfo);
#endif

	return 0;		/* success */
}				/* end of wlanInit() */

/*----------------------------------------------------------------------------*/
/*!
* \brief A function for prDev->uninit
*
* \param[in] prDev      Pointer to struct net_device.
*
* \return (none)
*/
/*----------------------------------------------------------------------------*/
static void wlanUninit(struct net_device *prDev)
{
}				/* end of wlanUninit() */

/*----------------------------------------------------------------------------*/
/*!
* \brief A function for prDev->open
*
* \param[in] prDev      Pointer to struct net_device.
*
* \retval 0     The execution of wlanOpen succeeds.
* \retval < 0   The execution of wlanOpen failed.
*/
/*----------------------------------------------------------------------------*/
static int wlanOpen(struct net_device *prDev)
{
	ASSERT(prDev);

	netif_tx_start_all_queues(prDev);

	return 0;		/* success */
}				/* end of wlanOpen() */

/*----------------------------------------------------------------------------*/
/*!
* \brief A function for prDev->stop
*
* \param[in] prDev      Pointer to struct net_device.
*
* \retval 0     The execution of wlanStop succeeds.
* \retval < 0   The execution of wlanStop failed.
*/
/*----------------------------------------------------------------------------*/
static int wlanStop(struct net_device *prDev)
{
	P_GLUE_INFO_T prGlueInfo = NULL;
	struct cfg80211_scan_request *prScanRequest = NULL;

	GLUE_SPIN_LOCK_DECLARATION();

	ASSERT(prDev);

	prGlueInfo = *((P_GLUE_INFO_T *) netdev_priv(prDev));

	/* CFG80211 down */
	GLUE_ACQUIRE_SPIN_LOCK(prGlueInfo, SPIN_LOCK_NET_DEV);
	if (prGlueInfo->prScanRequest != NULL) {
		prScanRequest = prGlueInfo->prScanRequest;
		prGlueInfo->prScanRequest = NULL;
	}
	GLUE_RELEASE_SPIN_LOCK(prGlueInfo, SPIN_LOCK_NET_DEV);

	if (prScanRequest)
		cfg80211_scan_done(prScanRequest, TRUE);
	netif_tx_stop_all_queues(prDev);

	return 0;		/* success */
}				/* end of wlanStop() */

#if CFG_SUPPORT_SNIFFER
static int wlanMonOpen(struct net_device *prDev)
{
	ASSERT(prDev);

	netif_tx_start_all_queues(prDev);

	return 0;		/* success */
}

static int wlanMonStop(struct net_device *prDev)
{
	ASSERT(prDev);

	netif_tx_stop_all_queues(prDev);

	return 0;		/* success */
}

static const struct net_device_ops wlan_mon_netdev_ops = {
	.ndo_open = wlanMonOpen,
	.ndo_stop = wlanMonStop,
};

void wlanMonWorkHandler(struct work_struct *work)
{
	P_GLUE_INFO_T prGlueInfo;

	prGlueInfo = container_of(work, GLUE_INFO_T, monWork);

	if (prGlueInfo->fgIsEnableMon) {
		if (prGlueInfo->prMonDevHandler)
			return;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)
		prGlueInfo->prMonDevHandler =
			alloc_netdev_mq(sizeof(NETDEV_PRIVATE_GLUE_INFO), NIC_MONITOR_INF_NAME,
				NET_NAME_PREDICTABLE, ether_setup, CFG_MAX_TXQ_NUM);
#else
		prGlueInfo->prMonDevHandler =
			alloc_netdev_mq(sizeof(NETDEV_PRIVATE_GLUE_INFO), NIC_MONITOR_INF_NAME,
					ether_setup, CFG_MAX_TXQ_NUM);
#endif
		if (prGlueInfo->prMonDevHandler == NULL) {
			DBGLOG(INIT, ERROR, "wlanMonWorkHandler: Allocated prMonDevHandler context FAIL.\n");
			return;
		}

		((P_NETDEV_PRIVATE_GLUE_INFO) netdev_priv(prGlueInfo->prMonDevHandler))->prGlueInfo = prGlueInfo;
		prGlueInfo->prMonDevHandler->type = ARPHRD_IEEE80211_RADIOTAP;
		prGlueInfo->prMonDevHandler->netdev_ops = &wlan_mon_netdev_ops;
		netif_carrier_off(prGlueInfo->prMonDevHandler);
		netif_tx_stop_all_queues(prGlueInfo->prMonDevHandler);
		kalResetStats(prGlueInfo->prMonDevHandler);

		if (register_netdev(prGlueInfo->prMonDevHandler) < 0) {
			DBGLOG(INIT, ERROR, "wlanMonWorkHandler: Registered prMonDevHandler context FAIL.\n");
			free_netdev(prGlueInfo->prMonDevHandler);
			prGlueInfo->prMonDevHandler = NULL;
		}
		DBGLOG(INIT, INFO, "wlanMonWorkHandler: Registered prMonDevHandler context DONE.\n");
	} else {
		if (prGlueInfo->prMonDevHandler) {
			unregister_netdev(prGlueInfo->prMonDevHandler);
			prGlueInfo->prMonDevHandler = NULL;
			DBGLOG(INIT, INFO, "wlanMonWorkHandler: unRegistered prMonDevHandler context DONE.\n");
		}
	}
}
#endif

/*----------------------------------------------------------------------------*/
/*!
 * \brief Update Channel table for cfg80211 for Wi-Fi Direct based on current country code
 *
 * \param[in] prGlueInfo      Pointer to glue info
 *
 * \return   none
 */
/*----------------------------------------------------------------------------*/
VOID wlanUpdateChannelTable(P_GLUE_INFO_T prGlueInfo)
{
	UINT_8 i, j;
	UINT_8 ucNumOfChannel;
	RF_CHANNEL_INFO_T aucChannelList[ARRAY_SIZE(mtk_2ghz_channels) + ARRAY_SIZE(mtk_5ghz_channels)];

	/* 1. Disable all channels */
	for (i = 0; i < ARRAY_SIZE(mtk_2ghz_channels); i++) {
		mtk_2ghz_channels[i].flags |= IEEE80211_CHAN_DISABLED;
		mtk_2ghz_channels[i].orig_flags |= IEEE80211_CHAN_DISABLED;
	}

	for (i = 0; i < ARRAY_SIZE(mtk_5ghz_channels); i++) {
		mtk_5ghz_channels[i].flags |= IEEE80211_CHAN_DISABLED;
		mtk_5ghz_channels[i].orig_flags |= IEEE80211_CHAN_DISABLED;
	}

	/* 2. Get current domain channel list */
	rlmDomainGetChnlList(prGlueInfo->prAdapter,
			     BAND_NULL, FALSE,
			     ARRAY_SIZE(mtk_2ghz_channels) + ARRAY_SIZE(mtk_5ghz_channels),
			     &ucNumOfChannel, aucChannelList);

	/* 3. Enable specific channel based on domain channel list */
	for (i = 0; i < ucNumOfChannel; i++) {
		switch (aucChannelList[i].eBand) {
		case BAND_2G4:
			for (j = 0; j < ARRAY_SIZE(mtk_2ghz_channels); j++) {
				if (mtk_2ghz_channels[j].hw_value == aucChannelList[i].ucChannelNum) {
					mtk_2ghz_channels[j].flags &= ~IEEE80211_CHAN_DISABLED;
					mtk_2ghz_channels[j].orig_flags &= ~IEEE80211_CHAN_DISABLED;
					break;
				}
			}
			break;

		case BAND_5G:
			for (j = 0; j < ARRAY_SIZE(mtk_5ghz_channels); j++) {
				if (mtk_5ghz_channels[j].hw_value == aucChannelList[i].ucChannelNum) {
					mtk_5ghz_channels[j].flags &= ~IEEE80211_CHAN_DISABLED;
					mtk_5ghz_channels[j].orig_flags &= ~IEEE80211_CHAN_DISABLED;
					break;
				}
			}
			break;

		default:
			DBGLOG(INIT, WARN, "Unknown band %d\n", aucChannelList[i].eBand);
			break;
		}
	}

}

/*----------------------------------------------------------------------------*/
/*!
* \brief Register the device to the kernel and return the index.
*
* \param[in] prDev      Pointer to struct net_device.
*
* \retval 0     The execution of wlanNetRegister succeeds.
* \retval < 0   The execution of wlanNetRegister failed.
*/
/*----------------------------------------------------------------------------*/
static INT_32 wlanNetRegister(struct wireless_dev *prWdev)
{
	P_GLUE_INFO_T prGlueInfo;
	INT_32 i4DevIdx = -1;
	P_NETDEV_PRIVATE_GLUE_INFO prNetDevPrivate = (P_NETDEV_PRIVATE_GLUE_INFO) NULL;

	ASSERT(prWdev);

	do {
		if (!prWdev)
			break;

		prGlueInfo = (P_GLUE_INFO_T) wiphy_priv(prWdev->wiphy);
		i4DevIdx = wlanGetDevIdx(prWdev->netdev);
		if (i4DevIdx < 0) {
			DBGLOG(INIT, ERROR, "net_device number exceeds!\n");
			break;
		}

		if (register_netdev(prWdev->netdev) < 0) {
			DBGLOG(INIT, ERROR, "Register net_device failed\n");
			wlanClearDevIdx(prWdev->netdev);
			i4DevIdx = -1;
		}
#if 1
		prNetDevPrivate = (P_NETDEV_PRIVATE_GLUE_INFO) netdev_priv(prGlueInfo->prDevHandler);
		ASSERT(prNetDevPrivate->prGlueInfo == prGlueInfo);
		prNetDevPrivate->ucBssIdx = prGlueInfo->prAdapter->prAisBssInfo->ucBssIndex;
		wlanBindBssIdxToNetInterface(prGlueInfo,
					     prGlueInfo->prAdapter->prAisBssInfo->ucBssIndex, (PVOID) prWdev->netdev);
#else
		wlanBindBssIdxToNetInterface(prGlueInfo,
					     prGlueInfo->prAdapter->prAisBssInfo->ucBssIndex, (PVOID) prWdev->netdev);
		/* wlanBindNetInterface(prGlueInfo, NET_DEV_WLAN_IDX, (PVOID)prWdev->netdev); */
#endif
		if (i4DevIdx != -1)
			prGlueInfo->fgIsRegistered = TRUE;
	} while (FALSE);

	return i4DevIdx;	/* success */
}				/* end of wlanNetRegister() */


/*----------------------------------------------------------------------------*/
/*!
* \brief Unregister the device from the kernel
*
* \param[in] prWdev      Pointer to struct net_device.
*
* \return (none)
*/
/*----------------------------------------------------------------------------*/
static VOID wlanNetUnregister(struct wireless_dev *prWdev)
{
	P_GLUE_INFO_T prGlueInfo;

	if (!prWdev) {
		DBGLOG(INIT, ERROR, "wlanNetUnregister: The device context is NULL\n");
		return;
	}

	prGlueInfo = (P_GLUE_INFO_T) wiphy_priv(prWdev->wiphy);

	wlanClearDevIdx(prWdev->netdev);
	unregister_netdev(prWdev->netdev);

	prGlueInfo->fgIsRegistered = FALSE;

#if CFG_SUPPORT_SNIFFER
	if (prGlueInfo->prMonDevHandler) {
		unregister_netdev(prGlueInfo->prMonDevHandler);
		prGlueInfo->prMonDevHandler = NULL;
	}
	prGlueInfo->fgIsEnableMon = FALSE;
#endif

}				/* end of wlanNetUnregister() */

static const struct net_device_ops wlan_netdev_ops = {
	.ndo_open = wlanOpen,
	.ndo_stop = wlanStop,
	.ndo_set_rx_mode = wlanSetMulticastList,
	.ndo_get_stats = wlanGetStats,
	.ndo_do_ioctl = wlanDoIOCTL,
	.ndo_start_xmit = wlanHardStartXmit,
	.ndo_init = wlanInit,
	.ndo_uninit = wlanUninit,
	.ndo_select_queue = wlanSelectQueue,
};


static void wlanCreateWirelessDevice(void)
{
	struct wiphy *prWiphy = NULL;
	struct wireless_dev *prWdev = NULL;

	/* 4 <1.1> Create wireless_dev */
	prWdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
	if (!prWdev) {
		DBGLOG(INIT, ERROR, "Allocating memory to wireless_dev context failed\n");
		return;
	}
	/* 4 <1.2> Create wiphy */
	prWiphy = wiphy_new(&mtk_wlan_ops, sizeof(GLUE_INFO_T));
	if (!prWiphy) {
		DBGLOG(INIT, ERROR, "Allocating memory to wiphy device failed\n");
		goto free_wdev;
	}
	/* 4 <1.3> configure wireless_dev & wiphy */
	prWdev->iftype = NL80211_IFTYPE_STATION;
	prWiphy->iface_combinations = p_mtk_iface_combinations_sta;
	prWiphy->n_iface_combinations = mtk_iface_combinations_sta_num;
	prWiphy->max_scan_ssids = 1;	/* FIXME: for combo scan */
	prWiphy->max_scan_ie_len = 512;
	prWiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC);
	prWiphy->bands[IEEE80211_BAND_2GHZ] = &mtk_band_2ghz;
	/* always assign 5Ghz bands here, if the chip is not support 5Ghz,
	 *  bands[IEEE80211_BAND_5GHZ] will be assign to NULL
	 */
	prWiphy->bands[IEEE80211_BAND_5GHZ] = &mtk_band_5ghz;
	prWiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
	prWiphy->cipher_suites = (const u32 *)mtk_cipher_suites;
	prWiphy->n_cipher_suites = ARRAY_SIZE(mtk_cipher_suites);
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0)
	prWiphy->flags = WIPHY_FLAG_CUSTOM_REGULATORY | WIPHY_FLAG_SUPPORTS_FW_ROAM | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
#else
	prWiphy->flags = WIPHY_FLAG_SUPPORTS_FW_ROAM | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
	prWiphy->regulatory_flags = REGULATORY_CUSTOM_REG;
#endif

	cfg80211_regd_set_wiphy(prWiphy);

#if (CFG_SUPPORT_TDLS == 1)
	TDLSEX_WIPHY_FLAGS_INIT(prWiphy->flags);
#endif /* CFG_SUPPORT_TDLS */
	prWiphy->max_remain_on_channel_duration = 5000;
	prWiphy->mgmt_stypes = mtk_cfg80211_ais_default_mgmt_stypes;

#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)
	prWiphy->vendor_commands = mtk_wlan_vendor_ops;
	prWiphy->n_vendor_commands = sizeof(mtk_wlan_vendor_ops) / sizeof(struct wiphy_vendor_command);
	prWiphy->vendor_events = mtk_wlan_vendor_events;
	prWiphy->n_vendor_events = ARRAY_SIZE(mtk_wlan_vendor_events);
#endif
	/* 4 <1.4> wowlan support */
#ifdef CONFIG_PM
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)
	prWiphy->wowlan = &mtk_wlan_wowlan_support;
#else
	kalMemCopy(&prWiphy->wowlan, &mtk_wlan_wowlan_support, sizeof(struct wiphy_wowlan_support));
#endif
#endif

#ifdef CONFIG_CFG80211_WEXT
	/* 4 <1.5> Use wireless extension to replace IOCTL */
	prWiphy->wext = &wext_handler_def;
#endif
	if (wiphy_register(prWiphy) < 0) {
		DBGLOG(INIT, ERROR, "wiphy_register error\n");
		goto free_wiphy;
	}
	prWdev->wiphy = prWiphy;
	gprWdev = prWdev;
	DBGLOG(INIT, INFO, "create wireless device success\n");
	return;

free_wiphy:
	wiphy_free(prWiphy);
free_wdev:
	kfree(prWdev);
}

static void wlanDestroyWirelessDevice(void)
{
	set_wiphy_dev(gprWdev->wiphy, NULL);
	wiphy_unregister(gprWdev->wiphy);
	wiphy_free(gprWdev->wiphy);
	kfree(gprWdev);
	gprWdev = NULL;
}

VOID wlanWakeLockInit(P_GLUE_INFO_T prGlueInfo)
{
#ifdef CONFIG_ANDROID
	KAL_WAKE_LOCK_INIT(NULL, &prGlueInfo->rIntrWakeLock, "WLAN interrupt");
	KAL_WAKE_LOCK_INIT(NULL, &prGlueInfo->rTimeoutWakeLock, "WLAN timeout");
#endif
}

VOID wlanWakeLockUninit(P_GLUE_INFO_T prGlueInfo)
{
#if defined(CONFIG_ANDROID) && (CFG_ENABLE_WAKE_LOCK)
	if (KAL_WAKE_LOCK_ACTIVE(NULL, &prGlueInfo->rIntrWakeLock))
		KAL_WAKE_UNLOCK(NULL, &prGlueInfo->rIntrWakeLock);
	KAL_WAKE_LOCK_DESTROY(NULL, &prGlueInfo->rIntrWakeLock);

	if (KAL_WAKE_LOCK_ACTIVE(NULL, &prGlueInfo->rTimeoutWakeLock))
		KAL_WAKE_UNLOCK(NULL, &prGlueInfo->rTimeoutWakeLock);
	KAL_WAKE_LOCK_DESTROY(NULL, &prGlueInfo->rTimeoutWakeLock);
#endif
}

/*----------------------------------------------------------------------------*/
/*!
* \brief A method for creating Linux NET4 struct net_device object and the
*        private data(prGlueInfo and prAdapter). Setup the IO address to the HIF.
*        Assign the function pointer to the net_device object
*
* \param[in] pvData     Memory address for the device
*
* \retval Not null      The wireless_dev object.
* \retval NULL          Fail to create wireless_dev object
*/
/*----------------------------------------------------------------------------*/
static struct lock_class_key rSpinKey[SPIN_LOCK_NUM];
static struct wireless_dev *wlanNetCreate(PVOID pvData, PVOID pvDriverData)
{
	struct wireless_dev *prWdev = gprWdev;
	P_GLUE_INFO_T prGlueInfo = NULL;
	P_ADAPTER_T prAdapter = NULL;
	UINT_32 i;
	struct device *prDev;
	P_NETDEV_PRIVATE_GLUE_INFO prNetDevPrivate = (P_NETDEV_PRIVATE_GLUE_INFO) NULL;

	PUCHAR prInfName = NULL;

	if (prWdev == NULL) {
		DBGLOG(INIT, ERROR, "No wireless dev exist, abort power on\n");
		return NULL;
	}

	/* 4 <1.3> co-relate wiphy & prDev */
	glGetDev(pvData, &prDev);
	if (!prDev)
		DBGLOG(INIT, ERROR, "unable to get struct dev for wlan\n");
	set_wiphy_dev(prWdev->wiphy, prDev);

	/* 4 <2> Create Glue structure */
	prGlueInfo = (P_GLUE_INFO_T) wiphy_priv(prWdev->wiphy);
	kalMemZero(prGlueInfo, sizeof(GLUE_INFO_T));

	/* 4 <2.1> Create Adapter structure */
	prAdapter = (P_ADAPTER_T) wlanAdapterCreate(prGlueInfo);

	if (!prAdapter) {
		DBGLOG(INIT, ERROR, "Allocating memory to adapter failed\n");
		goto netcreate_err;
	}

	prAdapter->chip_info = ((struct mt66xx_hif_driver_data *) pvDriverData)->chip_info;
	prGlueInfo->prAdapter = prAdapter;

	/* 4 <3> Initialize Glue structure */
	/* 4 <3.1> Create net device */

#ifdef CFG_DRIVER_INF_NAME_CHANGE

	if (kalStrLen(gprifnamesta) > 0) {
		prInfName = kalStrCat(gprifnamesta, "%d");
		DBGLOG(INIT, WARN, "Station ifname customized, use %s\n", prInfName);
	} else
#endif /* CFG_DRIVER_INF_NAME_CHANGE */
		prInfName = NIC_INF_NAME;

#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)
		prGlueInfo->prDevHandler =
			alloc_netdev_mq(sizeof(NETDEV_PRIVATE_GLUE_INFO), prInfName,
						NET_NAME_PREDICTABLE, ether_setup, CFG_MAX_TXQ_NUM);
#else
		prGlueInfo->prDevHandler =
			alloc_netdev_mq(sizeof(NETDEV_PRIVATE_GLUE_INFO), prInfName,
					ether_setup, CFG_MAX_TXQ_NUM);
#endif
		DBGLOG(INIT, INFO, "net_device prDev(0x%p) allocated\n", prGlueInfo->prDevHandler);

	if (!prGlueInfo->prDevHandler) {
		DBGLOG(INIT, ERROR, "Allocating memory to net_device context failed\n");
		goto netcreate_err;
	}
	DBGLOG(INIT, INFO, "net_device prDev(0x%p) allocated\n", prGlueInfo->prDevHandler);

	/* 4 <3.1.1> Initialize net device varaiables */
#if 1
	prNetDevPrivate = (P_NETDEV_PRIVATE_GLUE_INFO) netdev_priv(prGlueInfo->prDevHandler);
	prNetDevPrivate->prGlueInfo = prGlueInfo;
#else
	*((P_GLUE_INFO_T *) netdev_priv(prGlueInfo->prDevHandler)) = prGlueInfo;
#endif
	prGlueInfo->prDevHandler->needed_headroom += NIC_TX_HEAD_ROOM;
	prGlueInfo->prDevHandler->netdev_ops = &wlan_netdev_ops;
#ifdef CONFIG_WIRELESS_EXT
	prGlueInfo->prDevHandler->wireless_handlers = &wext_handler_def;
#endif
	netif_carrier_off(prGlueInfo->prDevHandler);
	netif_tx_stop_all_queues(prGlueInfo->prDevHandler);
	kalResetStats(prGlueInfo->prDevHandler);

#if CFG_SUPPORT_SNIFFER
	INIT_WORK(&(prGlueInfo->monWork), wlanMonWorkHandler);
#endif

	/* 4 <3.1.2> co-relate with wiphy bi-directionally */
	prGlueInfo->prDevHandler->ieee80211_ptr = prWdev;
#if CFG_TCP_IP_CHKSUM_OFFLOAD
	prGlueInfo->prDevHandler->features = NETIF_F_HW_CSUM;
#endif
	prWdev->netdev = prGlueInfo->prDevHandler;

	/* 4 <3.1.3> co-relate net device & prDev */
	SET_NETDEV_DEV(prGlueInfo->prDevHandler, wiphy_dev(prWdev->wiphy));

	/* 4 <3.1.4> set device to glue */
	prGlueInfo->prDev = prDev;

	/* 4 <3.2> Initialize glue variables */
	prGlueInfo->eParamMediaStateIndicated = PARAM_MEDIA_STATE_DISCONNECTED;
	prGlueInfo->ePowerState = ParamDeviceStateD0;
	prGlueInfo->fgIsRegistered = FALSE;
	prGlueInfo->prScanRequest = NULL;
	prGlueInfo->prSchedScanRequest = NULL;


#if CFG_SUPPORT_PASSPOINT
	/* Init DAD */
	prGlueInfo->fgIsDad = FALSE;
	prGlueInfo->fgIs6Dad = FALSE;
	kalMemZero(prGlueInfo->aucDADipv4, 4);
	kalMemZero(prGlueInfo->aucDADipv6, 16);
#endif /* CFG_SUPPORT_PASSPOINT */

	init_completion(&prGlueInfo->rScanComp);
	init_completion(&prGlueInfo->rHaltComp);
	init_completion(&prGlueInfo->rPendComp);

#if CFG_SUPPORT_MULTITHREAD
	init_completion(&prGlueInfo->rHifHaltComp);
	init_completion(&prGlueInfo->rRxHaltComp);
#endif

	/* initialize timer for OID timeout checker */
	kalOsTimerInitialize(prGlueInfo, kalTimeoutHandler);

	for (i = 0; i < SPIN_LOCK_NUM; i++) {
		spin_lock_init(&prGlueInfo->rSpinLock[i]);
		lockdep_set_class(&prGlueInfo->rSpinLock[i], &rSpinKey[i]);
	}

	for (i = 0; i < MUTEX_NUM; i++)
		mutex_init(&prGlueInfo->arMutex[i]);

	/* initialize semaphore for ioctl */
	sema_init(&prGlueInfo->ioctl_sem, 1);

#if CFG_SUPPORT_SDIO_READ_WRITE_PATTERN
	/* initialize SDIO read-write pattern control */
	prGlueInfo->fgEnSdioTestPattern = FALSE;
	prGlueInfo->fgIsSdioTestInitialized = FALSE;
#endif

	/* initialize semaphore for halt control */
	sema_init(&g_halt_sem, 1);

	/* 4 <8> Init Queues */
	init_waitqueue_head(&prGlueInfo->waitq);
	QUEUE_INITIALIZE(&prGlueInfo->rCmdQueue);
	prGlueInfo->i4TxPendingCmdNum = 0;
	QUEUE_INITIALIZE(&prGlueInfo->rTxQueue);
	glSetHifInfo(prGlueInfo, (ULONG) pvData);

	/* Init wakelock */
	wlanWakeLockInit(prGlueInfo);

	/* main thread is created in this function */
#if CFG_SUPPORT_MULTITHREAD
	init_waitqueue_head(&prGlueInfo->waitq_rx);
	init_waitqueue_head(&prGlueInfo->waitq_hif);

	prGlueInfo->u4TxThreadPid = 0xffffffff;
	prGlueInfo->u4RxThreadPid = 0xffffffff;
	prGlueInfo->u4HifThreadPid = 0xffffffff;
#endif

	return prWdev;

netcreate_err:
	if (prAdapter != NULL) {
		wlanAdapterDestroy(prAdapter);
		prAdapter = NULL;
	}

	if (prGlueInfo->prDevHandler != NULL) {
		free_netdev(prGlueInfo->prDevHandler);
		prGlueInfo->prDevHandler = NULL;
	}

	return prWdev;
}				/* end of wlanNetCreate() */

/*----------------------------------------------------------------------------*/
/*!
* \brief Destroying the struct net_device object and the private data.
*
* \param[in] prWdev      Pointer to struct wireless_dev.
*
* \return (none)
*/
/*----------------------------------------------------------------------------*/
static VOID wlanNetDestroy(struct wireless_dev *prWdev)
{
	P_GLUE_INFO_T prGlueInfo = NULL;

	ASSERT(prWdev);

	if (!prWdev) {
		DBGLOG(INIT, ERROR, "The device context is NULL\n");
		return;
	}

	/* prGlueInfo is allocated with net_device */
	prGlueInfo = (P_GLUE_INFO_T) wiphy_priv(prWdev->wiphy);
	ASSERT(prGlueInfo);

	/* destroy kal OS timer */
	kalCancelTimer(prGlueInfo);

	glClearHifInfo(prGlueInfo);

	wlanAdapterDestroy(prGlueInfo->prAdapter);
	prGlueInfo->prAdapter = NULL;

	/* Free net_device and private data, which are allocated by alloc_netdev().
	 */
	free_netdev(prWdev->netdev);

}				/* end of wlanNetDestroy() */

VOID wlanSetSuspendMode(P_GLUE_INFO_T prGlueInfo, BOOLEAN fgEnable)
{
	struct net_device *prDev = NULL;

	if (!prGlueInfo)
		return;

	prDev = prGlueInfo->prDevHandler;
	if (!prDev)
		return;

	kalSetNetAddressFromInterface(prGlueInfo, prDev, fgEnable);
	wlanNotifyFwSuspend(prGlueInfo, prDev, fgEnable);
}

#if CFG_ENABLE_EARLY_SUSPEND
static struct early_suspend wlan_early_suspend_desc = {
	.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN,
};

static void wlan_early_suspend(struct early_suspend *h)
{
	struct net_device *prDev = NULL;
	P_GLUE_INFO_T prGlueInfo = NULL;

	/* 4 <1> Sanity Check */
	if ((u4WlanDevNum == 0) && (u4WlanDevNum > CFG_MAX_WLAN_DEVICES)) {
		DBGLOG(INIT, ERROR, "wlanLateResume u4WlanDevNum==0 invalid!!\n");
		return;
	}

	prDev = arWlanDevInfo[u4WlanDevNum - 1].prDev;
	if (!prDev)
		return;

	prGlueInfo = *((P_GLUE_INFO_T *) netdev_priv(prDev));
	if (!prGlueInfo)
		return;

	DBGLOG(INIT, INFO, "********<%s>********\n", __func__);

	if (prGlueInfo->fgIsInSuspendMode == TRUE) {
		DBGLOG(INIT, INFO, "%s: Already in suspend mode, SKIP!\n", __func__);
		return;
	}

	prGlueInfo->fgIsInSuspendMode = TRUE;

	wlanSetSuspendMode(prGlueInfo, TRUE);
	p2pSetSuspendMode(prGlueInfo, TRUE);
}

static void wlan_late_resume(struct early_suspend *h)
{
	struct net_device *prDev = NULL;
	P_GLUE_INFO_T prGlueInfo = NULL;

	/* 4 <1> Sanity Check */
	if ((u4WlanDevNum == 0) && (u4WlanDevNum > CFG_MAX_WLAN_DEVICES)) {
		DBGLOG(INIT, ERROR, "wlanLateResume u4WlanDevNum==0 invalid!!\n");
		return;
	}

	prDev = arWlanDevInfo[u4WlanDevNum - 1].prDev;
	if (!prDev)
		return;

	prGlueInfo = *((P_GLUE_INFO_T *) netdev_priv(prDev));
	if (!prGlueInfo)
		return;

	DBGLOG(INIT, INFO, "********<%s>********\n", __func__);

	if (prGlueInfo->fgIsInSuspendMode == FALSE) {
		DBGLOG(INIT, INFO, "%s: Not in suspend mode, SKIP!\n", __func__);
		return;
	}

	prGlueInfo->fgIsInSuspendMode = FALSE;

	/* 4 <2> Set suspend mode for each network */
	wlanSetSuspendMode(prGlueInfo, FALSE);
	p2pSetSuspendMode(prGlueInfo, FALSE);
}
#endif

#if ((MTK_WCN_HIF_SDIO && CFG_SUPPORT_MTK_ANDROID_KK) || WLAN_INCLUDE_PROC)

int set_p2p_mode_handler(struct net_device *netdev, PARAM_CUSTOM_P2P_SET_STRUCT_T p2pmode)
{
	P_GLUE_INFO_T prGlueInfo = *((P_GLUE_INFO_T *) netdev_priv(netdev));
	PARAM_CUSTOM_P2P_SET_STRUCT_T rSetP2P;
	WLAN_STATUS rWlanStatus = WLAN_STATUS_SUCCESS;
	UINT_32 u4BufLen = 0;

	rSetP2P.u4Enable = p2pmode.u4Enable;
	rSetP2P.u4Mode = p2pmode.u4Mode;

	if ((!rSetP2P.u4Enable) && (kalIsResetting() == FALSE))
		p2pNetUnregister(prGlueInfo, FALSE);

	rWlanStatus = kalIoctl(prGlueInfo,
			       wlanoidSetP2pMode,
			       (PVOID) &rSetP2P, sizeof(PARAM_CUSTOM_P2P_SET_STRUCT_T), FALSE, FALSE, TRUE, &u4BufLen);

	DBGLOG(INIT, INFO, "set_p2p_mode_handler ret = 0x%08lx\n", (UINT_32) rWlanStatus);


	/* Need to check fgIsP2PRegistered, in case of whole chip reset.
	 * in this case, kalIOCTL return success always,
	 * and prGlueInfo->prP2PInfo[0] may be NULL
	 */
	if ((rSetP2P.u4Enable) && (prGlueInfo->prAdapter->fgIsP2PRegistered) && (kalIsResetting() == FALSE))
		p2pNetRegister(prGlueInfo, FALSE);

	return 0;
}

#endif

#if CFG_SUPPORT_EASY_DEBUG
/*----------------------------------------------------------------------------*/
/*!
* \brief parse config from wifi.cfg
*
* \param[in] prAdapter
*
* \retval VOID
*/
/*----------------------------------------------------------------------------*/
VOID wlanGetParseConfig(P_ADAPTER_T prAdapter)
{
	PUINT_8 pucConfigBuf;
	UINT_32 u4ConfigReadLen;

	wlanCfgInit(prAdapter, NULL, 0, 0);
	pucConfigBuf = (PUINT_8) kalMemAlloc(WLAN_CFG_FILE_BUF_SIZE, VIR_MEM_TYPE);
	kalMemZero(pucConfigBuf, WLAN_CFG_FILE_BUF_SIZE);
	u4ConfigReadLen = 0;
	if (pucConfigBuf) {
		if (kalReadToFile("/storage/sdcard0/wifi.cfg", pucConfigBuf,
				  WLAN_CFG_FILE_BUF_SIZE, &u4ConfigReadLen) == 0) {
			/* ToDo:: Nothing */
		} else if (kalReadToFile("/data/misc/wifi.cfg", pucConfigBuf,
					 WLAN_CFG_FILE_BUF_SIZE, &u4ConfigReadLen) == 0) {
			/* ToDo:: Nothing */
		} else if (kalReadToFile("/data/misc/wifi/wifi.cfg", pucConfigBuf,
					 WLAN_CFG_FILE_BUF_SIZE, &u4ConfigReadLen) == 0) {
			/* ToDo:: Nothing */
		} else if (kalRequestFirmware("wifi.cfg", pucConfigBuf,
					 WLAN_CFG_FILE_BUF_SIZE, &u4ConfigReadLen, prAdapter->prGlueInfo->prDev) == 0) {
			/* ToDo:: Nothing */
		}

		if (pucConfigBuf[0] != '\0' && u4ConfigReadLen > 0)
			wlanCfgParse(prAdapter, pucConfigBuf, u4ConfigReadLen, TRUE);

		kalMemFree(pucConfigBuf, VIR_MEM_TYPE, WLAN_CFG_FILE_BUF_SIZE);
	}			/* pucConfigBuf */
}


#endif

/*----------------------------------------------------------------------------*/
/*!
* \brief get config from wifi.cfg
*
* \param[in] prAdapter
*
* \retval VOID
*/
/*----------------------------------------------------------------------------*/
VOID wlanGetConfig(P_ADAPTER_T prAdapter)
{
	PUINT_8 pucConfigBuf;
	UINT_32 u4ConfigReadLen;

	wlanCfgInit(prAdapter, NULL, 0, 0);
	pucConfigBuf = (PUINT_8) kalMemAlloc(WLAN_CFG_FILE_BUF_SIZE, VIR_MEM_TYPE);
	kalMemZero(pucConfigBuf, WLAN_CFG_FILE_BUF_SIZE);
	u4ConfigReadLen = 0;
	if (pucConfigBuf) {
		if (kalReadToFile("/storage/sdcard0/wifi.cfg", pucConfigBuf,
				  WLAN_CFG_FILE_BUF_SIZE, &u4ConfigReadLen) == 0) {
			/* ToDo:: Nothing */
		} else if (kalReadToFile("/data/misc/wifi.cfg", pucConfigBuf,
					 WLAN_CFG_FILE_BUF_SIZE, &u4ConfigReadLen) == 0) {
			/* ToDo:: Nothing */
		} else if (kalReadToFile("/data/misc/wifi/wifi.cfg", pucConfigBuf,
					 WLAN_CFG_FILE_BUF_SIZE, &u4ConfigReadLen) == 0) {
			/* ToDo:: Nothing */
		} else if (kalRequestFirmware("wifi.cfg", pucConfigBuf,
					 WLAN_CFG_FILE_BUF_SIZE, &u4ConfigReadLen, prAdapter->prGlueInfo->prDev) == 0) {
			/* ToDo:: Nothing */
		}

		if (pucConfigBuf[0] != '\0' && u4ConfigReadLen > 0)
			wlanCfgInit(prAdapter, pucConfigBuf, u4ConfigReadLen, 0);

		kalMemFree(pucConfigBuf, VIR_MEM_TYPE, WLAN_CFG_FILE_BUF_SIZE);
	}			/* pucConfigBuf */
}


/*----------------------------------------------------------------------------*/
/*!
* \brief this function send buffer bin EEPROB_MTxxxx.bin to FW.
*
* \param[in] prAdapter
*
* \retval WLAN_STATUS_SUCCESS Success
* \retval WLAN_STATUS_FAILURE Failed
*/
/*----------------------------------------------------------------------------*/
WLAN_STATUS wlanDownloadBufferBin(P_ADAPTER_T prAdapter)
{
	P_GLUE_INFO_T prGlueInfo = NULL;
#if (CFG_FW_Report_Efuse_Address)
	UINT_16 u2InitAddr = prAdapter->u4EfuseStartAddress;
#else
	UINT_16 u2InitAddr = EFUSE_CONTENT_BUFFER_START;
#endif
	UINT_32 u4BufLen = 0;
	WLAN_STATUS rStatus = WLAN_STATUS_SUCCESS;
	PARAM_CUSTOM_EFUSE_BUFFER_MODE_T *prSetEfuseBufModeInfo = NULL;
	UINT_32 u4ContentLen;
	PUINT_8 pucConfigBuf = NULL;
	struct mt66xx_chip_info *prChipInfo;
	UINT_32 chip_id;
	UINT_8 aucEeprom[32];
	WLAN_STATUS retWlanStat = WLAN_STATUS_FAILURE;

	if (prAdapter->fgIsSupportPowerOnSendBufferModeCMD == TRUE) {
		DBGLOG(INIT, INFO, "Start Efuse Buffer Mode ..\n");
		DBGLOG(INIT, INFO, "ucEfuseBUfferModeCal is %x\n", prAdapter->rWifiVar.ucEfuseBufferModeCal);

		prChipInfo = prAdapter->chip_info;
		chip_id = prChipInfo->chip_id;
		prGlueInfo = prAdapter->prGlueInfo;

		if (prGlueInfo == NULL || prGlueInfo->prDev == NULL)
			goto label_exit;

		/* allocate memory for buffer mode info */
		prSetEfuseBufModeInfo = (PARAM_CUSTOM_EFUSE_BUFFER_MODE_T *)
			kalMemAlloc(sizeof(PARAM_CUSTOM_EFUSE_BUFFER_MODE_T), VIR_MEM_TYPE);
		if (prSetEfuseBufModeInfo == NULL)
			goto label_exit;
		kalMemZero(prSetEfuseBufModeInfo, sizeof(PARAM_CUSTOM_EFUSE_BUFFER_MODE_T));

		if (prAdapter->rWifiVar.ucEfuseBufferModeCal == TRUE) {
			/* Buffer mode */
			/* Only in buffer mode need to access bin file */
			/* 1 <1> Load bin file*/
			pucConfigBuf = (PUINT_8) kalMemAlloc(MAX_EEPROM_BUFFER_SIZE, VIR_MEM_TYPE);
			if (pucConfigBuf == NULL)
				goto label_exit;

			kalMemZero(pucConfigBuf, MAX_EEPROM_BUFFER_SIZE);

			/* 1 <2> Construct EEPROM binary name */
			kalMemZero(aucEeprom, sizeof(aucEeprom));

			snprintf(aucEeprom, 32, "%s%x.bin",
					apucEepromName[0], chip_id);

			/* 1 <3> Request buffer bin */
			if (kalRequestFirmware(aucEeprom,
				pucConfigBuf, MAX_EEPROM_BUFFER_SIZE, &u4ContentLen, prGlueInfo->prDev) == 0) {
				DBGLOG(INIT, INFO, "request file done\n");
			} else {
				DBGLOG(INIT, INFO, "can't find file\n");
				goto label_exit;
			}

			/* 1 <4> Send CMD with bin file content */
			prGlueInfo = prAdapter->prGlueInfo;

			/* Update contents in local table */
			kalMemCopy(uacEEPROMImage, pucConfigBuf, MAX_EEPROM_BUFFER_SIZE);

			/* copy to the command buffer */
#if (CFG_FW_Report_Efuse_Address)
			u4ContentLen = (prAdapter->u4EfuseEndAddress)-(prAdapter->u4EfuseStartAddress)+1;
#else
			u4ContentLen = EFUSE_CONTENT_BUFFER_SIZE;
#endif
			if (u4ContentLen > MAX_EEPROM_BUFFER_SIZE)
				goto label_exit;
			kalMemCopy(prSetEfuseBufModeInfo->aBinContent, &pucConfigBuf[u2InitAddr], u4ContentLen);

			prSetEfuseBufModeInfo->ucSourceMode = 1;
		} else {
			/* eFuse mode */
			/* Only need to tell FW the content from, contents are directly from efuse */
			prSetEfuseBufModeInfo->ucSourceMode = 0;
		}
		prSetEfuseBufModeInfo->ucCmdType = 0x1 | (prAdapter->rWifiVar.ucCalTimingCtrl << 4);
		prSetEfuseBufModeInfo->ucCount   = 0xFF; /* ucCmdType 1 don't care the ucCount */

		rStatus = kalIoctl(prGlueInfo,
							wlanoidSetEfusBufferMode,
							(PVOID)prSetEfuseBufModeInfo,
							sizeof(PARAM_CUSTOM_EFUSE_BUFFER_MODE_T),
							FALSE, TRUE, TRUE, &u4BufLen);

	}

	retWlanStat = WLAN_STATUS_SUCCESS;

label_exit:

	/* free memory */
	if (prSetEfuseBufModeInfo != NULL)
		kalMemFree(prSetEfuseBufModeInfo, VIR_MEM_TYPE, sizeof(PARAM_CUSTOM_EFUSE_BUFFER_MODE_T));

	if (pucConfigBuf != NULL)
		kalMemFree(pucConfigBuf, VIR_MEM_TYPE, MAX_EEPROM_BUFFER_SIZE);

	return retWlanStat;
}


/*----------------------------------------------------------------------------*/
/*!
* \brief Wlan probe function. This function probes and initializes the device.
*
* \param[in] pvData     data passed by bus driver init function
*                           _HIF_EHPI: NULL
*                           _HIF_SDIO: sdio bus driver handle
*
* \retval 0 Success
* \retval negative value Failed
*/
/*----------------------------------------------------------------------------*/
static INT_32 wlanProbe(PVOID pvData, PVOID pvDriverData)
{
	struct wireless_dev *prWdev = NULL;
	P_WLANDEV_INFO_T prWlandevInfo = NULL;
	INT_32 i4DevIdx = 0;
	P_GLUE_INFO_T prGlueInfo = NULL;
	P_ADAPTER_T prAdapter = NULL;
	INT_32 i4Status = 0;
	BOOL bRet = FALSE;
	P_REG_INFO_T prRegInfo;
#if (MTK_WCN_HIF_SDIO && CFG_WMT_WIFI_PATH_SUPPORT)
	INT_32 i4RetVal = 0;
#endif

#if 0
		PUINT_8 pucConfigBuf = NULL, pucCfgBuf = NULL;
		UINT_32 u4ConfigReadLen = 0;
#endif

	do {
		/* 4 <1> Initialize the IO port of the interface */
		/*  GeorgeKuo: pData has different meaning for _HIF_XXX:
		 * _HIF_EHPI: pointer to memory base variable, which will be
		 *      initialized by glBusInit().
		 * _HIF_SDIO: bus driver handle
		 */

		DBGLOG(INIT, INFO, "enter wlanProbe\n");

		bRet = glBusInit(pvData);

		/* Cannot get IO address from interface */
		if (bRet == FALSE) {
			DBGLOG(INIT, ERROR, "wlanProbe: glBusInit() fail\n");
			i4Status = -EIO;
			break;
		}
		/* 4 <2> Create network device, Adapter, KalInfo, prDevHandler(netdev) */
		prWdev = wlanNetCreate(pvData, pvDriverData);
		if (prWdev == NULL) {
			DBGLOG(INIT, ERROR, "wlanProbe: No memory for dev and its private\n");
			i4Status = -ENOMEM;
			break;
		}
		/* 4 <2.5> Set the ioaddr to HIF Info */
		prGlueInfo = (P_GLUE_INFO_T) wiphy_priv(prWdev->wiphy);
		gPrDev = prGlueInfo->prDevHandler;

		/* 4 <4> Setup IRQ */
		prWlandevInfo = &arWlanDevInfo[i4DevIdx];

		i4Status = glBusSetIrq(prWdev->netdev, NULL, prGlueInfo);

		if (i4Status != WLAN_STATUS_SUCCESS) {
			DBGLOG(INIT, ERROR, "wlanProbe: Set IRQ error\n");
			break;
		}

		prGlueInfo->i4DevIdx = i4DevIdx;

		prAdapter = prGlueInfo->prAdapter;

		prGlueInfo->u4ReadyFlag = 0;

#if CFG_TCP_IP_CHKSUM_OFFLOAD
		prAdapter->u4CSUMFlags = (CSUM_OFFLOAD_EN_TX_TCP | CSUM_OFFLOAD_EN_TX_UDP | CSUM_OFFLOAD_EN_TX_IP);
#endif

#if CFG_SUPPORT_CFG_FILE
		wlanGetConfig(prAdapter);
#endif
		/* Default support 2.4/5G MIMO */
		prAdapter->rWifiFemCfg.u2WifiPath =
				(WLAN_FLAG_2G4_WF0 | WLAN_FLAG_5G_WF0 | WLAN_FLAG_2G4_WF1 | WLAN_FLAG_5G_WF1);

		DBGLOG(INIT, INFO, "WifiPath Init=0x%x\n", prAdapter->rWifiFemCfg.u2WifiPath);

#if (MTK_WCN_HIF_SDIO && CFG_WMT_WIFI_PATH_SUPPORT)
		i4RetVal = mtk_wcn_wmt_wifi_fem_cfg_report((PVOID)&prAdapter->rWifiFemCfg);

		if (i4RetVal)
			DBGLOG(INIT, WARN, "Get WifiPath from WMT drv FAIL\n");
		else
			DBGLOG(INIT, INFO, "Get WifiPath from WMT drv Success WifiPath=0x%x\n",
					prAdapter->rWifiFemCfg.u2WifiPath);
#endif
		/* 4 <5> Start Device */
		prRegInfo = &prGlueInfo->rRegInfo;

		/* P_REG_INFO_T prRegInfo = (P_REG_INFO_T) kmalloc(sizeof(REG_INFO_T), GFP_KERNEL); */
		kalMemSet(prRegInfo, 0, sizeof(REG_INFO_T));

		/* Trigger the action of switching Pwr state to drv_own */
		prAdapter->fgIsFwOwn = TRUE;

		nicpmWakeUpWiFi(prAdapter);

		/* Load NVRAM content to REG_INFO_T */
		glLoadNvram(prGlueInfo, prRegInfo);

		/* kalMemCopy(&prGlueInfo->rRegInfo, prRegInfo, sizeof(REG_INFO_T)); */

		prRegInfo->u4PowerMode = CFG_INIT_POWER_SAVE_PROF;
#if 0
		prRegInfo->fgEnArpFilter = TRUE;
#endif

		if (wlanAdapterStart(prAdapter, prRegInfo) != WLAN_STATUS_SUCCESS)
			i4Status = -EIO;

		/* kfree(prRegInfo); */

		if (i4Status < 0)
			break;

		INIT_WORK(&prGlueInfo->rTxMsduFreeWork, kalFreeTxMsduWorker);
		INIT_DELAYED_WORK(&prGlueInfo->rRxPktDeAggWork, halDeAggRxPktWorker);

		prGlueInfo->main_thread = kthread_run(main_thread, prGlueInfo->prDevHandler, "main_thread");
#if CFG_SUPPORT_MULTITHREAD
		prGlueInfo->hif_thread = kthread_run(hif_thread, prGlueInfo->prDevHandler, "hif_thread");
		prGlueInfo->rx_thread = kthread_run(rx_thread, prGlueInfo->prDevHandler, "rx_thread");
#endif


		/* TODO the change schedule API shall be provided by OS glue layer */
		/* Switch the Wi-Fi task priority to higher priority and change the scheduling method */
		if (prGlueInfo->prAdapter->rWifiVar.ucThreadPriority > 0) {
			struct sched_param param = {.sched_priority = prGlueInfo->prAdapter->rWifiVar.ucThreadPriority
			};
			sched_setscheduler(prGlueInfo->main_thread,
					   prGlueInfo->prAdapter->rWifiVar.ucThreadScheduling, &param);
#if CFG_SUPPORT_MULTITHREAD
			sched_setscheduler(prGlueInfo->hif_thread,
					   prGlueInfo->prAdapter->rWifiVar.ucThreadScheduling, &param);
			sched_setscheduler(prGlueInfo->rx_thread,
					   prGlueInfo->prAdapter->rWifiVar.ucThreadScheduling, &param);
#endif
			DBGLOG(INIT, INFO,
			       "Set pri = %d, sched = %d\n",
			       prGlueInfo->prAdapter->rWifiVar.ucThreadPriority,
			       prGlueInfo->prAdapter->rWifiVar.ucThreadScheduling);
		}

		/* Disable 5G band for AIS */
		if (prAdapter->fgEnable5GBand == FALSE)
			prWdev->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;

		g_u4HaltFlag = 0;

#if CFG_SUPPORT_BUFFER_MODE
#if (CFG_EFUSE_BUFFER_MODE_DELAY_CAL == 1)
		if (wlanDownloadBufferBin(prAdapter) != WLAN_STATUS_SUCCESS)
			return -1;

#endif
#endif
		/* set MAC address */
		{
			WLAN_STATUS rStatus = WLAN_STATUS_FAILURE;
			struct sockaddr MacAddr;
			UINT_32 u4SetInfoLen = 0;

			rStatus = kalIoctl(prGlueInfo,
					   wlanoidQueryCurrentAddr,
					   &MacAddr.sa_data, PARAM_MAC_ADDR_LEN, TRUE, TRUE, TRUE, &u4SetInfoLen);

			if (rStatus != WLAN_STATUS_SUCCESS) {
				DBGLOG(INIT, WARN, "set MAC addr fail 0x%lx\n", rStatus);
				prGlueInfo->u4ReadyFlag = 0;
			} else {
				kalMemCopy(prGlueInfo->prDevHandler->dev_addr, &MacAddr.sa_data, ETH_ALEN);
				kalMemCopy(prGlueInfo->prDevHandler->perm_addr,
					   prGlueInfo->prDevHandler->dev_addr, ETH_ALEN);

				/* card is ready */
				prGlueInfo->u4ReadyFlag = 1;
#if CFG_SHOW_MACADDR_SOURCE
				DBGLOG(INIT, INFO, "MAC address: " MACSTR, MAC2STR(&MacAddr.sa_data));
#endif
			}
		}

#if CFG_TCP_IP_CHKSUM_OFFLOAD
		/* set HW checksum offload */
		{
			WLAN_STATUS rStatus = WLAN_STATUS_FAILURE;
			UINT_32 u4CSUMFlags = CSUM_OFFLOAD_EN_ALL;
			UINT_32 u4SetInfoLen = 0;

			rStatus = kalIoctl(prGlueInfo,
					   wlanoidSetCSUMOffload,
					   (PVOID) &u4CSUMFlags, sizeof(UINT_32), FALSE, FALSE, TRUE, &u4SetInfoLen);

			if (rStatus != WLAN_STATUS_SUCCESS)
				DBGLOG(INIT, WARN, "set HW checksum offload fail 0x%lx\n", rStatus);
		}
#endif

		/* 4 <3> Register the card */
		i4DevIdx = wlanNetRegister(prWdev);
		if (i4DevIdx < 0) {
			i4Status = -ENXIO;
			DBGLOG(INIT, ERROR, "wlanProbe: Cannot register the net_device context to the kernel\n");
			break;
		}
		/* 4 <4> Register early suspend callback */
#if CFG_ENABLE_EARLY_SUSPEND
		glRegisterEarlySuspend(&wlan_early_suspend_desc, wlan_early_suspend, wlan_late_resume);
#endif

		/* 4 <5> Register Notifier callback */
		wlanRegisterNotifier();

		/* 4 <6> Initialize /proc filesystem */
#ifdef WLAN_INCLUDE_PROC
		i4Status = procCreateFsEntry(prGlueInfo);
		if (i4Status < 0) {
			DBGLOG(INIT, ERROR, "wlanProbe: init procfs failed\n");
			break;
		}
#endif /* WLAN_INCLUDE_PROC */

#if CFG_MET_PACKET_TRACE_SUPPORT
		kalMetInit(prGlueInfo);
#endif

#if CFG_ENABLE_BT_OVER_WIFI
		prGlueInfo->rBowInfo.fgIsNetRegistered = FALSE;
		prGlueInfo->rBowInfo.fgIsRegistered = FALSE;
		glRegisterAmpc(prGlueInfo);
#endif

#if (CFG_ENABLE_WIFI_DIRECT && MTK_WCN_HIF_SDIO && CFG_SUPPORT_MTK_ANDROID_KK)
		register_set_p2p_mode_handler(set_p2p_mode_handler);
#elif (CFG_ENABLE_WIFI_DIRECT)
		if (prAdapter->rWifiVar.u4RegP2pIfAtProbe) {
			PARAM_CUSTOM_P2P_SET_STRUCT_T rSetP2P;

			rSetP2P.u4Enable = 1;

#ifdef CFG_DRIVER_INITIAL_RUNNING_MODE
			rSetP2P.u4Mode = CFG_DRIVER_INITIAL_RUNNING_MODE;
#else
			rSetP2P.u4Mode = RUNNING_P2P_MODE;
#endif /* CFG_DRIVER_RUNNING_MODE */
			if (set_p2p_mode_handler(prWdev->netdev, rSetP2P) == 0)
				DBGLOG(INIT, INFO, "%s: p2p device registered\n", __func__);
			else
				DBGLOG(INIT, ERROR, "%s: Failed to register p2p device\n", __func__);
		}
#endif
	} while (FALSE);

	if (i4Status == 0) {
#if CFG_SUPPORT_AGPS_ASSIST
		kalIndicateAgpsNotify(prAdapter, AGPS_EVENT_WLAN_ON, NULL, 0);
#endif


#if CFG_SUPPORT_EASY_DEBUG

#if 0
	wlanGetParseConfig(prGlueInfo->prAdapter);
	/*wlanGetParseConfig would reparsing the config file,
	*and then, sent to firmware
	*use wlanFeatureToFw to take it(won't be reparsing)
	*/
#endif

	/* move before reading file
	 *wlanLoadDefaultCustomerSetting(prAdapter);
	*/

	wlanFeatureToFw(prGlueInfo->prAdapter);

#endif
	wlanCfgSetSwCtrl(prGlueInfo->prAdapter);

		wlanCfgSetChip(prGlueInfo->prAdapter);

		wlanCfgSetCountryCode(prGlueInfo->prAdapter);

#if (CFG_MET_PACKET_TRACE_SUPPORT == 1)
		DBGLOG(INIT, TRACE, "init MET procfs...\n");
		i4Status = kalMetInitProcfs(prGlueInfo);
		if (i4Status < 0)
			DBGLOG(INIT, ERROR, "wlanProbe: init MET procfs failed\n");
#endif

#if CFG_MET_TAG_SUPPORT
		if (met_tag_init() != 0)
			DBGLOG(INIT, ERROR, "MET_TAG_INIT error!\n");
#endif

#if CFG_SUPPORT_CAL_RESULT_BACKUP_TO_HOST
		/* Calibration Backup Flow */
		if (!g_fgIsCalDataBackuped) {
			if (rlmTriggerCalBackup(prGlueInfo->prAdapter, g_fgIsCalDataBackuped) == WLAN_STATUS_FAILURE) {
				DBGLOG(RFTEST, INFO, "Error : Boot Time Wi-Fi Enable Fail........\n");
				return -1;
			}

			g_fgIsCalDataBackuped = TRUE;
		} else {
			if (rlmTriggerCalBackup(prGlueInfo->prAdapter, g_fgIsCalDataBackuped) == WLAN_STATUS_FAILURE) {
				DBGLOG(RFTEST, INFO, "Error : Normal Wi-Fi Enable Fail........\n");
				return -1;
			}
		}
#endif

		DBGLOG(INIT, LOUD, "wlanProbe: probe success\n");
	} else {
		glBusFreeIrq(prGlueInfo->prDevHandler, prGlueInfo);
		DBGLOG(INIT, LOUD, "wlanProbe: probe failed\n");
	}

	return i4Status;
}				/* end of wlanProbe() */

/*----------------------------------------------------------------------------*/
/*!
* \brief A method to stop driver operation and release all resources. Following
*        this call, no frame should go up or down through this interface.
*
* \return (none)
*/
/*----------------------------------------------------------------------------*/
static VOID wlanRemove(VOID)
{
	struct net_device *prDev = NULL;
	P_WLANDEV_INFO_T prWlandevInfo = NULL;
	P_GLUE_INFO_T prGlueInfo = NULL;
	P_ADAPTER_T prAdapter = NULL;
	BOOLEAN fgResult = FALSE;

	DBGLOG(INIT, INFO, "Remove wlan!\n");

	/* 4 <0> Sanity check */
	ASSERT(u4WlanDevNum <= CFG_MAX_WLAN_DEVICES);
	if (u4WlanDevNum == 0) {
		DBGLOG(INIT, INFO, "0 == u4WlanDevNum\n");
		return;
	}
#if (CFG_ENABLE_WIFI_DIRECT && MTK_WCN_HIF_SDIO && CFG_SUPPORT_MTK_ANDROID_KK)
	register_set_p2p_mode_handler(NULL);
#endif
	if (u4WlanDevNum > 0 && u4WlanDevNum <= CFG_MAX_WLAN_DEVICES) {
		prDev = arWlanDevInfo[u4WlanDevNum - 1].prDev;
		prWlandevInfo = &arWlanDevInfo[u4WlanDevNum - 1];
	}

	ASSERT(prDev);
	if (prDev == NULL) {
		DBGLOG(INIT, INFO, "NULL == prDev\n");
		return;
	}

	prGlueInfo = *((P_GLUE_INFO_T *) netdev_priv(prDev));
	ASSERT(prGlueInfo);
	if (prGlueInfo == NULL) {
		DBGLOG(INIT, INFO, "NULL == prGlueInfo\n");
		free_netdev(prDev);
		return;
	}

	prAdapter = prGlueInfo->prAdapter;

#if CFG_ENABLE_BT_OVER_WIFI
	if (prGlueInfo->rBowInfo.fgIsNetRegistered) {
		bowNotifyAllLinkDisconnected(prGlueInfo->prAdapter);
		/* wait 300ms for BoW module to send deauth */
		kalMsleep(300);
	}
#endif

	if (prGlueInfo->eParamMediaStateIndicated == PARAM_MEDIA_STATE_CONNECTED) {

#if CFG_WPS_DISCONNECT || (KERNEL_VERSION(4, 2, 0) <= LINUX_VERSION_CODE)
		cfg80211_disconnected(prGlueInfo->prDevHandler, 0, NULL, 0, TRUE, GFP_KERNEL);
#else
		cfg80211_disconnected(prGlueInfo->prDevHandler, 0, NULL, 0, GFP_KERNEL);
#endif
		kalMsleep(500);
	}

	flush_delayed_work(&workq);

/* 20150205 work queue for sched_scan */

	flush_delayed_work(&sched_workq);

	down(&g_halt_sem);
	g_u4HaltFlag = 1;

	/* 4 <2> Mark HALT, notify main thread to stop, and clean up queued requests */
	set_bit(GLUE_FLAG_HALT_BIT, &prGlueInfo->ulFlag);

#if CFG_SUPPORT_MULTITHREAD
	wake_up_interruptible(&prGlueInfo->waitq_hif);
	wait_for_completion_interruptible(&prGlueInfo->rHifHaltComp);
	wake_up_interruptible(&prGlueInfo->waitq_rx);
	wait_for_completion_interruptible(&prGlueInfo->rRxHaltComp);
#endif

	/* wake up main thread */
	wake_up_interruptible(&prGlueInfo->waitq);
	/* wait main thread stops */
	wait_for_completion_interruptible(&prGlueInfo->rHaltComp);

	/* Stop works */
	flush_work(&prGlueInfo->rTxMsduFreeWork);
	cancel_delayed_work_sync(&prGlueInfo->rRxPktDeAggWork);

	DBGLOG(INIT, INFO, "wlan thread stopped\n");

	/* prGlueInfo->rHifInfo.main_thread = NULL; */
	prGlueInfo->main_thread = NULL;
#if CFG_SUPPORT_MULTITHREAD
	prGlueInfo->hif_thread = NULL;
	prGlueInfo->rx_thread = NULL;

	prGlueInfo->u4TxThreadPid = 0xffffffff;
	prGlueInfo->u4HifThreadPid = 0xffffffff;
#endif

	/* Destroy wakelock */
	wlanWakeLockUninit(prGlueInfo);

	kalMemSet(&(prGlueInfo->prAdapter->rWlanInfo), 0, sizeof(WLAN_INFO_T));

#if CFG_ENABLE_WIFI_DIRECT
	if (prGlueInfo->prAdapter->fgIsP2PRegistered) {
		DBGLOG(INIT, INFO, "p2pNetUnregister...\n");
		p2pNetUnregister(prGlueInfo, FALSE);
		DBGLOG(INIT, INFO, "p2pRemove...\n");
		/*p2pRemove must before wlanAdapterStop */
		p2pRemove(prGlueInfo);
	}
#endif

#if CFG_ENABLE_BT_OVER_WIFI
	if (prGlueInfo->rBowInfo.fgIsRegistered)
		glUnregisterAmpc(prGlueInfo);
#endif

	/* 4 <3> Remove /proc filesystem. */
#if WLAN_INCLUDE_PROC
	procRemoveProcfs();
#endif /* WLAN_INCLUDE_PROC */

#if (CFG_MET_PACKET_TRACE_SUPPORT == 1)
	kalMetRemoveProcfs();
#endif

#if CFG_MET_TAG_SUPPORT
	if (GL_MET_TAG_UNINIT() != 0)
		DBGLOG(INIT, ERROR, "MET_TAG_UNINIT error!\n");
#endif

	/* 4 <4> wlanAdapterStop */
#if CFG_SUPPORT_AGPS_ASSIST
	kalIndicateAgpsNotify(prAdapter, AGPS_EVENT_WLAN_OFF, NULL, 0);
#endif

	wlanAdapterStop(prAdapter);
	DBGLOG(INIT, INFO, "Number of Stalled Packets = %d\n", GLUE_GET_REF_CNT(prGlueInfo->i4TxPendingFrameNum));

	HAL_LP_OWN_SET(prAdapter, &fgResult);
	DBGLOG(INIT, INFO, "HAL_LP_OWN_SET(%d)\n", fgResult);

	/* 4 <x> Stopping handling interrupt and free IRQ */
	glBusFreeIrq(prDev, prGlueInfo);

	/* 4 <5> Release the Bus */
	glBusRelease(prDev);

	up(&g_halt_sem);

	/* 4 <6> Unregister the card */
	wlanNetUnregister(prDev->ieee80211_ptr);

	/* 4 <7> Destroy the device */
	wlanNetDestroy(prDev->ieee80211_ptr);
	prDev = NULL;

	/* 4 <8> Unregister early suspend callback */
#if CFG_ENABLE_EARLY_SUSPEND
	glUnregisterEarlySuspend(&wlan_early_suspend_desc);
#endif

	gprWdev->netdev = NULL;

	/* 4 <9> Unregister notifier callback */
	wlanUnregisterNotifier();

}				/* end of wlanRemove() */

/*----------------------------------------------------------------------------*/
/*!
* \brief Driver entry point when the driver is configured as a Linux Module, and
*        is called once at module load time, by the user-level modutils
*        application: insmod or modprobe.
*
* \retval 0     Success
*/
/*----------------------------------------------------------------------------*/
/* 1 Module Entry Point */
static int initWlan(void)
{
	int ret = 0;

	DBGLOG(INIT, INFO, "initWlan\n");

#ifdef CFG_DRIVER_INF_NAME_CHANGE

	if (kalStrLen(gprifnamesta) > CUSTOM_IFNAMESIZ ||
		kalStrLen(gprifnamep2p) > CUSTOM_IFNAMESIZ ||
		kalStrLen(gprifnameap) > CUSTOM_IFNAMESIZ) {
		DBGLOG(INIT, ERROR, "custom infname len illegal > %d\n", CUSTOM_IFNAMESIZ);
		return -EINVAL;
	}

#endif /*  CFG_DRIVER_INF_NAME_CHANGE */

	wlanDebugInit();

	/* memory pre-allocation */
	kalInitIOBuffer();
#if WLAN_INCLUDE_PROC
	procInitFs();
#endif

	wlanCreateWirelessDevice();
	if (gprWdev)
		glP2pCreateWirelessDevice((P_GLUE_INFO_T) wiphy_priv(gprWdev->wiphy));
	gprP2pWdev = gprP2pRoleWdev[0];/* P2PDev and P2PRole[0] share the same Wdev */

	ret = ((glRegisterBus(wlanProbe, wlanRemove) == WLAN_STATUS_SUCCESS) ? 0 : -EIO);

	if (ret == -EIO) {
		kalUninitIOBuffer();
		return ret;
	}
#if (CFG_CHIP_RESET_SUPPORT)
	glResetInit();
#endif

	return ret;
}				/* end of initWlan() */

/*----------------------------------------------------------------------------*/
/*!
* \brief Driver exit point when the driver as a Linux Module is removed. Called
*        at module unload time, by the user level modutils application: rmmod.
*        This is our last chance to clean up after ourselves.
*
* \return (none)
*/
/*----------------------------------------------------------------------------*/
/* 1 Module Leave Point */
static VOID exitWlan(void)
{
	/* printk("remove %p\n", wlanRemove); */
#if CFG_CHIP_RESET_SUPPORT
	glResetUninit();
#endif

	glUnregisterBus(wlanRemove);

	/* free pre-allocated memory */
	kalUninitIOBuffer();
	wlanDestroyWirelessDevice();
	glP2pDestroyWirelessDevice();
#if WLAN_INCLUDE_PROC
	procUninitProcFs();
#endif
	DBGLOG(INIT, INFO, "exitWlan\n");

}				/* end of exitWlan() */

#if ((MTK_WCN_HIF_SDIO == 1) && (CFG_BUILT_IN_DRIVER == 1))

int mtk_wcn_wlan_gen4_init(void)
{
	return initWlan();
}
EXPORT_SYMBOL(mtk_wcn_wlan_gen4_init);

void mtk_wcn_wlan_gen4_exit(void)
{
	return exitWlan();
}
EXPORT_SYMBOL(mtk_wcn_wlan_gen4_exit);

#elif ((MTK_WCN_HIF_SDIO == 0) && (CFG_BUILT_IN_DRIVER == 1))

device_initcall(initWlan);

#else

module_init(initWlan);
module_exit(exitWlan);

#endif