/*
 * Linux cfg80211 driver - Android related functions
 *
 * Copyright (C) 1999-2012, Broadcom Corporation
 * 
 *      Unless you and Broadcom execute a separate written software license
 * agreement governing use of this software, this software is licensed to you
 * under the terms of the GNU General Public License version 2 (the "GPL"),
 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
 * following added to such license:
 * 
 *      As a special exception, the copyright holders of this software give you
 * permission to link this software with independent modules, and to copy and
 * distribute the resulting executable under terms of your choice, provided that
 * you also meet, for each linked independent module, the terms and conditions of
 * the license of that module.  An independent module is a module which is not
 * derived from this software.  The special exception does not apply to any
 * modifications of the software.
 * 
 *      Notwithstanding the above, under no circumstances may you combine this
 * software in any way with any other Broadcom software provided under a license
 * other than the GPL, without Broadcom's express prior written consent.
 *
 * $Id: wl_android.c 393894 2013-03-29 07:14:35Z $
 */

#include <linux/module.h>
#include <linux/netdevice.h>

#include <wl_android.h>
#include <wldev_common.h>
#include <wlioctl.h>
#include <bcmutils.h>
#include <linux_osl.h>
#include <dhd_dbg.h>
#include <dngl_stats.h>
#include <dhd.h>
#include <bcmsdbus.h>
#ifdef WL_CFG80211
#include <wl_cfg80211.h>
#endif
#if defined(CONFIG_WIFI_CONTROL_FUNC)
#include <linux/platform_device.h>
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 35))
#include <linux/wlan_plat.h>
#else
#include <linux/wifi_tiwlan.h>
#endif
#endif /* CONFIG_WIFI_CONTROL_FUNC */

/*
 * Android private command strings, PLEASE define new private commands here
 * so they can be updated easily in the future (if needed)
 */

#define CMD_START		"START"
#define CMD_STOP		"STOP"
#define	CMD_SCAN_ACTIVE		"SCAN-ACTIVE"
#define	CMD_SCAN_PASSIVE	"SCAN-PASSIVE"
#define CMD_RSSI		"RSSI"
#define CMD_LINKSPEED		"LINKSPEED"
#define CMD_RXFILTER_START	"RXFILTER-START"
#define CMD_RXFILTER_STOP	"RXFILTER-STOP"
#define CMD_RXFILTER_ADD	"RXFILTER-ADD"
#define CMD_RXFILTER_REMOVE	"RXFILTER-REMOVE"
#define CMD_BTCOEXSCAN_START	"BTCOEXSCAN-START"
#define CMD_BTCOEXSCAN_STOP	"BTCOEXSCAN-STOP"
#define CMD_BTCOEXMODE		"BTCOEXMODE"
#define CMD_SETSUSPENDOPT	"SETSUSPENDOPT"
#define CMD_SETSUSPENDMODE      "SETSUSPENDMODE"
#define CMD_P2P_DEV_ADDR	"P2P_DEV_ADDR"
#define CMD_SETFWPATH		"SETFWPATH"
#define CMD_SETBAND		"SETBAND"
#define CMD_GETBAND		"GETBAND"
#define CMD_COUNTRY		"COUNTRY"
#define CMD_P2P_SET_NOA		"P2P_SET_NOA"
#if !defined WL_ENABLE_P2P_IF
#define CMD_P2P_GET_NOA			"P2P_GET_NOA"
#endif
#define CMD_P2P_SD_OFFLOAD		"P2P_SD_"
#define CMD_P2P_SET_PS		"P2P_SET_PS"
#define CMD_SET_AP_WPS_P2P_IE 		"SET_AP_WPS_P2P_IE"
#define CMD_SETROAMMODE		"SETROAMMODE"

#ifdef CUSTOMER_HW4
#ifdef SUPPORT_AUTO_CHANNEL
#define CMD_SET_HAPD_AUTO_CHANNEL	"HAPD_AUTO_CHANNEL"
#endif /* SUPPORT_AUTO_CHANNEL */
#ifdef SUPPORT_HIDDEN_AP
/* Hostapd private command */
#define CMD_SET_HAPD_MAX_NUM_STA	"HAPD_MAX_NUM_STA"
#define CMD_SET_HAPD_SSID		"HAPD_SSID"
#define CMD_SET_HAPD_HIDE_SSID		"HAPD_HIDE_SSID"
#endif /* SUPPORT_HIDDEN_AP */
#ifdef SUPPORT_SOFTAP_SINGL_DISASSOC
#define CMD_HAPD_STA_DISASSOC		"HAPD_STA_DISASSOC"
#endif /* SUPPORT_SOFTAP_SINGL_DISASSOC */
#ifdef SUPPORT_SET_LPC
#define CMD_HAPD_LPC_ENABLED            "HAPD_LPC_ENABLED"
#endif /* SUPPORT_SET_LPC */
#ifdef SUPPORT_TRIGGER_HANG_EVENT
#define CMD_TEST_FORCE_HANG		"TEST_FORCE_HANG"
#endif /* SUPPORT_TRIGGER_HANG_EVENT */
#endif /* CUSTOMER_HW4 */

/* CCX Private Commands */
#ifdef BCMCCX
#define CMD_GETCCKM_RN		"get cckm_rn"
#define CMD_SETCCKM_KRK		"set cckm_krk"
#define CMD_GET_ASSOC_RES_IES	"get assoc_res_ies"
#endif

#ifdef PNO_SUPPORT
#define CMD_PNOSSIDCLR_SET	"PNOSSIDCLR"
#define CMD_PNOSETUP_SET	"PNOSETUP "
#define CMD_PNOENABLE_SET	"PNOFORCE"
#define CMD_PNODEBUG_SET	"PNODEBUG"

#define PNO_TLV_PREFIX			'S'
#define PNO_TLV_VERSION			'1'
#define PNO_TLV_SUBVERSION 		'2'
#define PNO_TLV_RESERVED		'0'
#define PNO_TLV_TYPE_SSID_IE		'S'
#define PNO_TLV_TYPE_TIME		'T'
#define PNO_TLV_FREQ_REPEAT		'R'
#define PNO_TLV_FREQ_EXPO_MAX		'M'

typedef struct cmd_tlv {
	char prefix;
	char version;
	char subver;
	char reserved;
} cmd_tlv_t;
#endif /* PNO_SUPPORT */

#define CMD_OKC_SET_PMK		"SET_PMK"
#define CMD_OKC_ENABLE		"OKC_ENABLE"


#ifdef CUSTOMER_HW4

#ifdef ROAM_API
#define CMD_ROAMTRIGGER_SET "SETROAMTRIGGER"
#define CMD_ROAMTRIGGER_GET "GETROAMTRIGGER"
#define CMD_ROAMDELTA_SET "SETROAMDELTA"
#define CMD_ROAMDELTA_GET "GETROAMDELTA"
#define CMD_ROAMSCANPERIOD_SET "SETROAMSCANPERIOD"
#define CMD_ROAMSCANPERIOD_GET "GETROAMSCANPERIOD"
#define CMD_FULLROAMSCANPERIOD_SET "SETFULLROAMSCANPERIOD"
#define CMD_FULLROAMSCANPERIOD_GET "GETFULLROAMSCANPERIOD"
#define CMD_COUNTRYREV_SET "SETCOUNTRYREV"
#define CMD_COUNTRYREV_GET "GETCOUNTRYREV"
#endif /* ROAM_API */

#ifdef WES_SUPPORT
#define CMD_GETROAMSCANCONTROL "GETROAMSCANCONTROL"
#define CMD_SETROAMSCANCONTROL "SETROAMSCANCONTROL"
#define CMD_GETROAMSCANCHANNELS "GETROAMSCANCHANNELS"
#define CMD_SETROAMSCANCHANNELS "SETROAMSCANCHANNELS"

#define CMD_GETSCANCHANNELTIME "GETSCANCHANNELTIME"
#define CMD_SETSCANCHANNELTIME "SETSCANCHANNELTIME"
#define CMD_GETSCANHOMETIME "GETSCANHOMETIME"
#define CMD_SETSCANHOMETIME "SETSCANHOMETIME"
#define CMD_GETSCANHOMEAWAYTIME "GETSCANHOMEAWAYTIME"
#define CMD_SETSCANHOMEAWAYTIME "SETSCANHOMEAWAYTIME"
#define CMD_GETSCANNPROBES "GETSCANNPROBES"
#define CMD_SETSCANNPROBES "SETSCANNPROBES"

#define CMD_SENDACTIONFRAME "SENDACTIONFRAME"
#define CMD_REASSOC "REASSOC"

#define CMD_GETWESMODE "GETWESMODE"
#define CMD_SETWESMODE "SETWESMODE"

#define CMD_GETOKCMODE "GETOKCMODE"
#define CMD_SETOKCMODE "SETOKCMODE"

#define ANDROID_WIFI_MAX_ROAM_SCAN_CHANNELS 100

typedef struct android_wifi_reassoc_params {
	unsigned char bssid[18];
	int channel;
} android_wifi_reassoc_params_t;

#define ANDROID_WIFI_REASSOC_PARAMS_SIZE sizeof(struct android_wifi_reassoc_params)

#define ANDROID_WIFI_ACTION_FRAME_SIZE 1040

typedef struct android_wifi_af_params {
	unsigned char bssid[18];
	int channel;
	int dwell_time;
	int len;
	unsigned char data[ANDROID_WIFI_ACTION_FRAME_SIZE];
} android_wifi_af_params_t;

#define ANDROID_WIFI_AF_PARAMS_SIZE sizeof(struct android_wifi_af_params)
#endif /* WES_SUPPORT */
#ifdef SUPPORT_AMPDU_MPDU_CMD
#define CMD_AMPDU_MPDU		"AMPDU_MPDU"
#endif /* SUPPORT_AMPDU_MPDU_CMD */

#define CMD_CHANGE_RL	"CHANGE_RL"
#define CMD_RESTORE_RL  "RESTORE_RL"
#endif /* CUSTOMER_HW4 */
typedef struct android_wifi_priv_cmd {
	char *buf;
	int used_len;
	int total_len;
} android_wifi_priv_cmd;

#ifdef WL_GENL
static s32 wl_genl_handle_msg(struct sk_buff *skb, struct genl_info *info);
static int wl_genl_init(void);
static int wl_genl_deinit(void);

extern struct net init_net;
/* attribute policy: defines which attribute has which type (e.g int, char * etc)
 * possible values defined in net/netlink.h
 */
static struct nla_policy wl_genl_policy[BCM_GENL_ATTR_MAX + 1] = {
	[BCM_GENL_ATTR_STRING] = { .type = NLA_NUL_STRING },
	[BCM_GENL_ATTR_MSG] = { .type = NLA_BINARY },
};

#define WL_GENL_VER 1
/* family definition */
static struct genl_family wl_genl_family = {
	.id = GENL_ID_GENERATE,    /* Genetlink would generate the ID */
	.hdrsize = 0,
	.name = "bcm-genl",        /* Netlink I/F for Android */
	.version = WL_GENL_VER,     /* Version Number */
	.maxattr = BCM_GENL_ATTR_MAX,
};

/* commands: mapping between the command enumeration and the actual function */
struct genl_ops wl_genl_ops = {
	.cmd = BCM_GENL_CMD_MSG,
	.flags = 0,
	.policy = wl_genl_policy,
	.doit = wl_genl_handle_msg,
	.dumpit = NULL,
};

static struct genl_multicast_group wl_genl_mcast = {
	.id = GENL_ID_GENERATE,    /* Genetlink would generate the ID */
	.name = "bcm-genl-mcast",
};

#endif /* WL_GENL */

/**
 * Extern function declarations (TODO: move them to dhd_linux.h)
 */
void dhd_customer_gpio_wlan_ctrl(int onoff);
int dhd_dev_reset(struct net_device *dev, uint8 flag);
int dhd_dev_init_ioctl(struct net_device *dev);
#ifdef WL_CFG80211
int wl_cfg80211_get_p2p_dev_addr(struct net_device *net, struct ether_addr *p2pdev_addr);
int wl_cfg80211_set_btcoex_dhcp(struct net_device *dev, char *command);
#if defined(CUSTOMER_HW4) && defined(WES_SUPPORT)
int wl_cfg80211_set_wes_mode(int mode);
int wl_cfg80211_get_wes_mode(void);
int wl_cfg80211_get_ioctl_version(void);
#endif
#else
int wl_cfg80211_get_p2p_dev_addr(struct net_device *net, struct ether_addr *p2pdev_addr)
{ return 0; }
int wl_cfg80211_set_p2p_noa(struct net_device *net, char* buf, int len)
{ return 0; }
int wl_cfg80211_get_p2p_noa(struct net_device *net, char* buf, int len)
{ return 0; }
int wl_cfg80211_set_p2p_ps(struct net_device *net, char* buf, int len)
{ return 0; }
#endif /* WK_CFG80211 */
extern int dhd_os_check_if_up(void *dhdp);
extern void *bcmsdh_get_drvdata(void);
#if defined(PROP_TXSTATUS) && !defined(PROP_TXSTATUS_VSDB)
extern int dhd_wlfc_init(dhd_pub_t *dhd);
extern void dhd_wlfc_deinit(dhd_pub_t *dhd);
#endif

#if defined(CUSTOMER_HW4) && defined(WES_SUPPORT)
/* wl_roam.c */
extern int get_roamscan_mode(struct net_device *dev, int *mode);
extern int set_roamscan_mode(struct net_device *dev, int mode);
extern int get_roamscan_channel_list(struct net_device *dev, unsigned char channels[]);
extern int set_roamscan_channel_list(struct net_device *dev, unsigned char n,
	unsigned char channels[], int ioctl_ver);
#endif

#ifdef ENABLE_4335BT_WAR
extern int bcm_bt_lock(int cookie);
extern void bcm_bt_unlock(int cookie);
static int lock_cookie_wifi = 'W' | 'i'<<8 | 'F'<<16 | 'i'<<24;	/* cookie is "WiFi" */
#endif /* ENABLE_4335BT_WAR */

extern bool ap_fw_loaded;
#if defined(CUSTOMER_HW2) || defined(CUSTOMER_HW4)
extern char iface_name[IFNAMSIZ];
#endif /* CUSTOMER_HW2 || CUSTOMER_HW4 */

#ifndef WIFI_TURNOFF_DELAY
#define WIFI_TURNOFF_DELAY	0
#endif
/**
 * Local (static) functions and variables
 */

/* Initialize g_wifi_on to 1 so dhd_bus_start will be called for the first
 * time (only) in dhd_open, subsequential wifi on will be handled by
 * wl_android_wifi_on
 */
static int g_wifi_on = TRUE;

/**
 * Local (static) function definitions
 */
static int wl_android_get_link_speed(struct net_device *net, char *command, int total_len)
{
	int link_speed;
	int bytes_written;
	int error;

	error = wldev_get_link_speed(net, &link_speed);
	if (error)
		return -1;

	/* Convert Kbps to Android Mbps */
	link_speed = link_speed / 1000;
	bytes_written = snprintf(command, total_len, "LinkSpeed %d", link_speed);
	DHD_INFO(("%s: command result is %s\n", __FUNCTION__, command));
	return bytes_written;
}

static int wl_android_get_rssi(struct net_device *net, char *command, int total_len)
{
	wlc_ssid_t ssid = {0};
	int rssi;
	int bytes_written = 0;
	int error;

	error = wldev_get_rssi(net, &rssi);
	if (error)
		return -1;

	error = wldev_get_ssid(net, &ssid);
	if (error)
		return -1;
	if ((ssid.SSID_len == 0) || (ssid.SSID_len > DOT11_MAX_SSID_LEN)) {
		DHD_ERROR(("%s: wldev_get_ssid failed\n", __FUNCTION__));
	} else {
		memcpy(command, ssid.SSID, ssid.SSID_len);
		bytes_written = ssid.SSID_len;
	}
	bytes_written += snprintf(&command[bytes_written], total_len, " rssi %d", rssi);
	DHD_INFO(("%s: command result is %s (%d)\n", __FUNCTION__, command, bytes_written));
	return bytes_written;
}

static int wl_android_set_suspendopt(struct net_device *dev, char *command, int total_len)
{
	int suspend_flag;
	int ret_now;
	int ret = 0;

#ifdef CUSTOMER_HW4
	if (!dhd_download_fw_on_driverload) {
#endif /* CUSTOMER_HW4 */
		suspend_flag = *(command + strlen(CMD_SETSUSPENDOPT) + 1) - '0';

		if (suspend_flag != 0)
			suspend_flag = 1;
		ret_now = net_os_set_suspend_disable(dev, suspend_flag);

		if (ret_now != suspend_flag) {
			if (!(ret = net_os_set_suspend(dev, ret_now, 1)))
				DHD_INFO(("%s: Suspend Flag %d -> %d\n",
					__FUNCTION__, ret_now, suspend_flag));
			else
				DHD_ERROR(("%s: failed %d\n", __FUNCTION__, ret));
		}
#ifdef CUSTOMER_HW4
	}
#endif /* CUSTOMER_HW4 */
	return ret;
}

static int wl_android_set_suspendmode(struct net_device *dev, char *command, int total_len)
{
	int ret = 0;

#if !defined(CONFIG_HAS_EARLYSUSPEND) || !defined(DHD_USE_EARLYSUSPEND)
	int suspend_flag;

	suspend_flag = *(command + strlen(CMD_SETSUSPENDMODE) + 1) - '0';
	if (suspend_flag != 0)
		suspend_flag = 1;

	if (!(ret = net_os_set_suspend(dev, suspend_flag, 0)))
		DHD_INFO(("%s: Suspend Mode %d\n", __FUNCTION__, suspend_flag));
	else
		DHD_ERROR(("%s: failed %d\n", __FUNCTION__, ret));
#endif

	return ret;
}

static int wl_android_get_band(struct net_device *dev, char *command, int total_len)
{
	uint band;
	int bytes_written;
	int error;

	error = wldev_get_band(dev, &band);
	if (error)
		return -1;
	bytes_written = snprintf(command, total_len, "Band %d", band);
	return bytes_written;
}

#ifdef CUSTOMER_HW4
#ifdef ROAM_API
int wl_android_set_roam_trigger(
	struct net_device *dev, char* command, int total_len)
{
	int roam_trigger[2];

	sscanf(command, "%*s %10d", &roam_trigger[0]);
	roam_trigger[1] = WLC_BAND_ALL;

	return wldev_ioctl(dev, WLC_SET_ROAM_TRIGGER, roam_trigger,
		sizeof(roam_trigger), 1);
}

static int wl_android_get_roam_trigger(
	struct net_device *dev, char *command, int total_len)
{
	int bytes_written;
	int roam_trigger[2] = {0, 0};

	roam_trigger[1] = WLC_BAND_2G;
	if (wldev_ioctl(dev, WLC_GET_ROAM_TRIGGER, roam_trigger,
		sizeof(roam_trigger), 0)) {
		roam_trigger[1] = WLC_BAND_5G;
		if (wldev_ioctl(dev, WLC_GET_ROAM_TRIGGER, roam_trigger,
			sizeof(roam_trigger), 0))
			return -1;
	}

	bytes_written = snprintf(command, total_len, "%s %d",
		CMD_ROAMTRIGGER_GET, roam_trigger[0]);

	return bytes_written;
}

int wl_android_set_roam_delta(
	struct net_device *dev, char* command, int total_len)
{
	int roam_delta[2];

	sscanf(command, "%*s %10d", &roam_delta[0]);
	roam_delta[1] = WLC_BAND_ALL;

	return wldev_ioctl(dev, WLC_SET_ROAM_DELTA, roam_delta,
		sizeof(roam_delta), 1);
}

static int wl_android_get_roam_delta(
	struct net_device *dev, char *command, int total_len)
{
	int bytes_written;
	int roam_delta[2] = {0, 0};

	roam_delta[1] = WLC_BAND_2G;
	if (wldev_ioctl(dev, WLC_GET_ROAM_DELTA, roam_delta,
		sizeof(roam_delta), 0)) {
		roam_delta[1] = WLC_BAND_5G;
		if (wldev_ioctl(dev, WLC_GET_ROAM_DELTA, roam_delta,
			sizeof(roam_delta), 0))
			return -1;
	}

	bytes_written = snprintf(command, total_len, "%s %d",
		CMD_ROAMDELTA_GET, roam_delta[0]);

	return bytes_written;
}

int wl_android_set_roam_scan_period(
	struct net_device *dev, char* command, int total_len)
{
	int roam_scan_period = 0;

	sscanf(command, "%*s %10d", &roam_scan_period);
	return wldev_ioctl(dev, WLC_SET_ROAM_SCAN_PERIOD, &roam_scan_period,
		sizeof(roam_scan_period), 1);
}

static int wl_android_get_roam_scan_period(
	struct net_device *dev, char *command, int total_len)
{
	int bytes_written;
	int roam_scan_period = 0;

	if (wldev_ioctl(dev, WLC_GET_ROAM_SCAN_PERIOD, &roam_scan_period,
		sizeof(roam_scan_period), 0))
		return -1;

	bytes_written = snprintf(command, total_len, "%s %d",
		CMD_ROAMSCANPERIOD_GET, roam_scan_period);

	return bytes_written;
}

int wl_android_set_full_roam_scan_period(
	struct net_device *dev, char* command, int total_len)
{
	int error = 0;
	int full_roam_scan_period = 0;
	char smbuf[WLC_IOCTL_SMLEN];

	sscanf(command+sizeof("SETFULLROAMSCANPERIOD"), "%d", &full_roam_scan_period);
	WL_TRACE(("fullroamperiod = %d\n", full_roam_scan_period));

	error = wldev_iovar_setbuf(dev, "fullroamperiod", &full_roam_scan_period,
		sizeof(full_roam_scan_period), smbuf, sizeof(smbuf), NULL);
	if (error) {
		DHD_ERROR(("Failed to set full roam scan period, error = %d\n", error));
	}

	return error;
}

static int wl_android_get_full_roam_scan_period(
	struct net_device *dev, char *command, int total_len)
{
	int error;
	int bytes_written;
	int full_roam_scan_period = 0;

	error = wldev_iovar_getint(dev, "fullroamperiod", &full_roam_scan_period);

	if (error) {
		DHD_ERROR(("%s: get full roam scan period failed code %d\n",
			__func__, error));
		return -1;
	} else {
		DHD_INFO(("%s: get full roam scan period %d\n", __func__, full_roam_scan_period));
	}

	bytes_written = snprintf(command, total_len, "%s %d",
		CMD_FULLROAMSCANPERIOD_GET, full_roam_scan_period);

	return bytes_written;
}

int wl_android_set_country_rev(
	struct net_device *dev, char* command, int total_len)
{
	int error = 0;
	wl_country_t cspec = {{0}, 0, {0} };
	char country_code[WLC_CNTRY_BUF_SZ];
	char smbuf[WLC_IOCTL_SMLEN];
	int rev = 0;

	memset(country_code, 0, sizeof(country_code));
	sscanf(command+sizeof("SETCOUNTRYREV"), "%10s %10d", country_code, &rev);
	WL_TRACE(("country_code = %s, rev = %d\n", country_code, rev));

	memcpy(cspec.country_abbrev, country_code, sizeof(country_code));
	memcpy(cspec.ccode, country_code, sizeof(country_code));
	cspec.rev = rev;

	error = wldev_iovar_setbuf(dev, "country", (char *)&cspec,
		sizeof(cspec), smbuf, sizeof(smbuf), NULL);

	if (error) {
		DHD_ERROR(("%s: set country '%s/%d' failed code %d\n",
			__FUNCTION__, cspec.ccode, cspec.rev, error));
	} else {
		dhd_bus_country_set(dev, &cspec);
		DHD_INFO(("%s: set country '%s/%d'\n",
			__FUNCTION__, cspec.ccode, cspec.rev));
	}

	return error;
}

static int wl_android_get_country_rev(
	struct net_device *dev, char *command, int total_len)
{
	int error;
	int bytes_written;
	char smbuf[WLC_IOCTL_SMLEN];
	wl_country_t cspec;

	error = wldev_iovar_getbuf(dev, "country", NULL, 0, smbuf,
		sizeof(smbuf), NULL);

	if (error) {
		DHD_ERROR(("%s: get country failed code %d\n",
			__FUNCTION__, error));
		return -1;
	} else {
		memcpy(&cspec, smbuf, sizeof(cspec));
		DHD_INFO(("%s: get country '%c%c %d'\n",
			__FUNCTION__, cspec.ccode[0], cspec.ccode[1], cspec.rev));
	}

	bytes_written = snprintf(command, total_len, "%s %c%c %d",
		CMD_COUNTRYREV_GET, cspec.ccode[0], cspec.ccode[1], cspec.rev);

	return bytes_written;
}
#endif /* ROAM_API */

#ifdef WES_SUPPORT
int wl_android_get_roam_scan_control(struct net_device *dev, char *command, int total_len)
{
	int error = 0;
	int bytes_written = 0;
	int mode = 0;

	error = get_roamscan_mode(dev, &mode);
	if (error) {
		DHD_ERROR(("%s: Failed to get Scan Control, error = %d\n", __FUNCTION__, error));
		return -1;
	}

	bytes_written = snprintf(command, total_len, "%s %d", CMD_GETROAMSCANCONTROL, mode);

	return bytes_written;
}

int wl_android_set_roam_scan_control(struct net_device *dev, char *command, int total_len)
{
	int error = 0;
	int mode = 0;

	if (sscanf(command, "%*s %d", &mode) != 1) {
		DHD_ERROR(("%s: Failed to get Parameter\n", __FUNCTION__));
		return -1;
	}

	error = set_roamscan_mode(dev, mode);
	if (error) {
		DHD_ERROR(("%s: Failed to set Scan Control %d, error = %d\n",
		 __FUNCTION__, mode, error));
		return -1;
	}

	return 0;
}

int wl_android_get_roam_scan_channels(struct net_device *dev, char *command, int total_len)
{
	int bytes_written = 0;
	unsigned char channels[ANDROID_WIFI_MAX_ROAM_SCAN_CHANNELS] = {0};
	int channel_cnt = 0;
	char channel_info[10 + (ANDROID_WIFI_MAX_ROAM_SCAN_CHANNELS * 3)] = {0};
	int channel_info_len = 0;
	int i = 0;

	channel_cnt = get_roamscan_channel_list(dev, channels);

	channel_info_len += sprintf(&channel_info[channel_info_len], "%d ", channel_cnt);
	for (i = 0; i < channel_cnt; i++) {
		channel_info_len += sprintf(&channel_info[channel_info_len], "%d ", channels[i]);

		if (channel_info_len > (sizeof(channel_info) - 10))
			break;
	}
	channel_info_len += sprintf(&channel_info[channel_info_len], "%s", "\0");

	bytes_written = snprintf(command, total_len, "%s %s",
		CMD_GETROAMSCANCHANNELS, channel_info);
	return bytes_written;
}

int wl_android_set_roam_scan_channels(struct net_device *dev, char *command, int total_len)
{
	int error = 0;
	unsigned char *p = (unsigned char *)(command + strlen(CMD_SETROAMSCANCHANNELS) + 1);
	int ioctl_version = wl_cfg80211_get_ioctl_version();
	error = set_roamscan_channel_list(dev, p[0], &p[1], ioctl_version);
	if (error) {
		DHD_ERROR(("%s: Failed to set Scan Channels %d, error = %d\n",
		 __FUNCTION__, p[0], error));
		return -1;
	}

	return 0;
}

int wl_android_get_scan_channel_time(struct net_device *dev, char *command, int total_len)
{
	int error = 0;
	int bytes_written = 0;
	int time = 0;

	error = wldev_ioctl(dev, WLC_GET_SCAN_CHANNEL_TIME, &time, sizeof(time), 0);
	if (error) {
		DHD_ERROR(("%s: Failed to get Scan Channel Time, error = %d\n",
		__FUNCTION__, error));
		return -1;
	}

	bytes_written = snprintf(command, total_len, "%s %d", CMD_GETSCANCHANNELTIME, time);

	return bytes_written;
}

int wl_android_set_scan_channel_time(struct net_device *dev, char *command, int total_len)
{
	int error = 0;
	int time = 0;

	if (sscanf(command, "%*s %d", &time) != 1) {
		DHD_ERROR(("%s: Failed to get Parameter\n", __FUNCTION__));
		return -1;
	}

	error = wldev_ioctl(dev, WLC_SET_SCAN_CHANNEL_TIME, &time, sizeof(time), 1);
	if (error) {
		DHD_ERROR(("%s: Failed to set Scan Channel Time %d, error = %d\n",
		__FUNCTION__, time, error));
		return -1;
	}

	return 0;
}

int wl_android_get_scan_home_time(struct net_device *dev, char *command, int total_len)
{
	int error = 0;
	int bytes_written = 0;
	int time = 0;

	error = wldev_ioctl(dev, WLC_GET_SCAN_HOME_TIME, &time, sizeof(time), 0);
	if (error) {
		DHD_ERROR(("Failed to get Scan Home Time, error = %d\n", error));
		return -1;
	}

	bytes_written = snprintf(command, total_len, "%s %d", CMD_GETSCANHOMETIME, time);

	return bytes_written;
}

int wl_android_set_scan_home_time(struct net_device *dev, char *command, int total_len)
{
	int error = 0;
	int time = 0;

	if (sscanf(command, "%*s %d", &time) != 1) {
		DHD_ERROR(("%s: Failed to get Parameter\n", __FUNCTION__));
		return -1;
	}

	error = wldev_ioctl(dev, WLC_SET_SCAN_HOME_TIME, &time, sizeof(time), 1);
	if (error) {
		DHD_ERROR(("%s: Failed to set Scan Home Time %d, error = %d\n",
		__FUNCTION__, time, error));
		return -1;
	}

	return 0;
}

int wl_android_get_scan_home_away_time(struct net_device *dev, char *command, int total_len)
{
	int error = 0;
	int bytes_written = 0;
	int time = 0;

	error = wldev_iovar_getint(dev, "scan_home_away_time", &time);
	if (error) {
		DHD_ERROR(("%s: Failed to get Scan Home Away Time, error = %d\n",
		__FUNCTION__, error));
		return -1;
	}

	bytes_written = snprintf(command, total_len, "%s %d", CMD_GETSCANHOMEAWAYTIME, time);

	return bytes_written;
}

int wl_android_set_scan_home_away_time(struct net_device *dev, char *command, int total_len)
{
	int error = 0;
	int time = 0;

	if (sscanf(command, "%*s %d", &time) != 1) {
		DHD_ERROR(("%s: Failed to get Parameter\n", __FUNCTION__));
		return -1;
	}

	error = wldev_iovar_setint(dev, "scan_home_away_time", time);
	if (error) {
		DHD_ERROR(("%s: Failed to set Scan Home Away Time %d, error = %d\n",
		 __FUNCTION__, time, error));
		return -1;
	}

	return 0;
}

int wl_android_get_scan_nprobes(struct net_device *dev, char *command, int total_len)
{
	int error = 0;
	int bytes_written = 0;
	int num = 0;

	error = wldev_ioctl(dev, WLC_GET_SCAN_NPROBES, &num, sizeof(num), 0);
	if (error) {
		DHD_ERROR(("%s: Failed to get Scan NProbes, error = %d\n", __FUNCTION__, error));
		return -1;
	}

	bytes_written = snprintf(command, total_len, "%s %d", CMD_GETSCANNPROBES, num);

	return bytes_written;
}

int wl_android_set_scan_nprobes(struct net_device *dev, char *command, int total_len)
{
	int error = 0;
	int num = 0;

	if (sscanf(command, "%*s %d", &num) != 1) {
		DHD_ERROR(("%s: Failed to get Parameter\n", __FUNCTION__));
		return -1;
	}

	error = wldev_ioctl(dev, WLC_SET_SCAN_NPROBES, &num, sizeof(num), 1);
	if (error) {
		DHD_ERROR(("%s: Failed to set Scan NProbes %d, error = %d\n",
		__FUNCTION__, num, error));
		return -1;
	}

	return 0;
}

int wl_android_send_action_frame(struct net_device *dev, char *command, int total_len)
{
	int error = -1;
	android_wifi_af_params_t *params = NULL;
	wl_action_frame_t *action_frame = NULL;
	wl_af_params_t *af_params = NULL;
	char *smbuf = NULL;
	struct ether_addr tmp_bssid;
	int tmp_channel = 0;

	params = (android_wifi_af_params_t *)(command + strlen(CMD_SENDACTIONFRAME) + 1);
	if (params == NULL) {
		DHD_ERROR(("%s: Invalid params \n", __FUNCTION__));
		goto send_action_frame_out;
	}

	smbuf = kmalloc(WLC_IOCTL_MAXLEN, GFP_KERNEL);
	if (smbuf == NULL) {
		DHD_ERROR(("%s: failed to allocated memory %d bytes\n",
		__FUNCTION__, WLC_IOCTL_MAXLEN));
		goto send_action_frame_out;
	}

	af_params = (wl_af_params_t *) kzalloc(WL_WIFI_AF_PARAMS_SIZE, GFP_KERNEL);
	if (af_params == NULL)
	{
		DHD_ERROR(("%s: unable to allocate frame\n", __FUNCTION__));
		goto send_action_frame_out;
	}

	memset(&tmp_bssid, 0, ETHER_ADDR_LEN);
	if (bcm_ether_atoe((const char *)params->bssid, (struct ether_addr *)&tmp_bssid) == 0) {
		memset(&tmp_bssid, 0, ETHER_ADDR_LEN);

		error = wldev_ioctl(dev, WLC_GET_BSSID, &tmp_bssid, ETHER_ADDR_LEN, false);
		if (error) {
			memset(&tmp_bssid, 0, ETHER_ADDR_LEN);
			DHD_ERROR(("%s: failed to get bssid, error=%d\n", __FUNCTION__, error));
			goto send_action_frame_out;
		}
	}

	if (params->channel < 0) {
		struct channel_info ci;
		error = wldev_ioctl(dev, WLC_GET_CHANNEL, &ci, sizeof(ci), false);
		if (error) {
			DHD_ERROR(("%s: failed to get channel, error=%d\n", __FUNCTION__, error));
			goto send_action_frame_out;
		}

		tmp_channel = ci.hw_channel;
	}
	else {
		tmp_channel = params->channel;
	}

	af_params->channel = tmp_channel;
	af_params->dwell_time = params->dwell_time;
	memcpy(&af_params->BSSID, &tmp_bssid, ETHER_ADDR_LEN);
	action_frame = &af_params->action_frame;

	action_frame->packetId = 0;
	memcpy(&action_frame->da, &tmp_bssid, ETHER_ADDR_LEN);
	action_frame->len = params->len;
	memcpy(action_frame->data, params->data, action_frame->len);

	error = wldev_iovar_setbuf(dev, "actframe", af_params,
		sizeof(wl_af_params_t), smbuf, WLC_IOCTL_MAXLEN, NULL);
	if (error) {
		DHD_ERROR(("%s: failed to set action frame, error=%d\n", __FUNCTION__, error));
	}

send_action_frame_out:
	if (af_params)
		kfree(af_params);

	if (smbuf)
		kfree(smbuf);

	if (error)
		return -1;
	else
		return 0;
}

int wl_android_reassoc(struct net_device *dev, char *command, int total_len)
{
	int error = 0;
	android_wifi_reassoc_params_t *params = NULL;
	uint band;
	chanspec_t channel;
	u32 params_size;
	wl_reassoc_params_t reassoc_params;

	params = (android_wifi_reassoc_params_t *)(command + strlen(CMD_REASSOC) + 1);
	if (params == NULL) {
		DHD_ERROR(("%s: Invalid params \n", __FUNCTION__));
		return -1;
	}

	memset(&reassoc_params, 0, WL_REASSOC_PARAMS_FIXED_SIZE);

	if (bcm_ether_atoe((const char *)params->bssid,
	(struct ether_addr *)&reassoc_params.bssid) == 0) {
		DHD_ERROR(("%s: Invalid bssid \n", __FUNCTION__));
		return -1;
	}

	if (params->channel < 0) {
		DHD_ERROR(("%s: Invalid Channel \n", __FUNCTION__));
		return -1;
	}

	reassoc_params.chanspec_num = 1;

	channel = params->channel;
#ifdef D11AC_IOTYPES
	if (wl_cfg80211_get_ioctl_version() == 1) {
		band = ((channel <= CH_MAX_2G_CHANNEL) ?
		WL_LCHANSPEC_BAND_2G : WL_LCHANSPEC_BAND_5G);
		reassoc_params.chanspec_list[0] = channel |
		band | WL_LCHANSPEC_BW_20 | WL_LCHANSPEC_CTL_SB_NONE;
	}
	else {
		band = ((channel <= CH_MAX_2G_CHANNEL) ? WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G);
		reassoc_params.chanspec_list[0] = channel | band | WL_CHANSPEC_BW_20;
	}
#else
	band = ((channel <= CH_MAX_2G_CHANNEL) ? WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G);
	reassoc_params.chanspec_list[0] = channel |
	band | WL_CHANSPEC_BW_20 | WL_CHANSPEC_CTL_SB_NONE;
#endif /* D11AC_IOTYPES */
	params_size = WL_REASSOC_PARAMS_FIXED_SIZE + sizeof(chanspec_t);

	error = wldev_ioctl(dev, WLC_REASSOC, &reassoc_params, params_size, true);
	if (error) {
		DHD_ERROR(("%s: failed to reassoc, error=%d\n", __FUNCTION__, error));
	}

	if (error)
		return -1;
	else
		return 0;
}

int wl_android_get_wes_mode(struct net_device *dev, char *command, int total_len)
{
	int bytes_written = 0;
	int mode = 0;

	mode = wl_cfg80211_get_wes_mode();

	bytes_written = snprintf(command, total_len, "%s %d", CMD_GETWESMODE, mode);

	return bytes_written;
}

int wl_android_set_wes_mode(struct net_device *dev, char *command, int total_len)
{
	int error = 0;
	int mode = 0;

	if (sscanf(command, "%*s %d", &mode) != 1) {
		DHD_ERROR(("%s: Failed to get Parameter\n", __FUNCTION__));
		return -1;
	}

	error = wl_cfg80211_set_wes_mode(mode);
	if (error) {
		DHD_ERROR(("%s: Failed to set WES Mode %d, error = %d\n",
		__FUNCTION__, mode, error));
		return -1;
	}

	return 0;
}

int wl_android_get_okc_mode(struct net_device *dev, char *command, int total_len)
{
	int error = 0;
	int bytes_written = 0;
	int mode = 0;

	error = wldev_iovar_getint(dev, "okc_enable", &mode);
	if (error) {
		DHD_ERROR(("%s: Failed to get OKC Mode, error = %d\n", __FUNCTION__, error));
		return -1;
	}

	bytes_written = snprintf(command, total_len, "%s %d", CMD_GETOKCMODE, mode);

	return bytes_written;
}

int wl_android_set_okc_mode(struct net_device *dev, char *command, int total_len)
{
	int error = 0;
	int mode = 0;

	if (sscanf(command, "%*s %d", &mode) != 1) {
		DHD_ERROR(("%s: Failed to get Parameter\n", __FUNCTION__));
		return -1;
	}

	error = wldev_iovar_setint(dev, "okc_enable", mode);
	if (error) {
		DHD_ERROR(("%s: Failed to set OKC Mode %d, error = %d\n",
		__FUNCTION__, mode, error));
		return -1;
	}

	if (mode)
		 wldev_iovar_setint(dev, "ccx_enable", 0);

	return error;
}
#endif /* WES_SUPPORT */
#endif /* CUSTOMER_HW4 */

#if defined(PNO_SUPPORT) && !defined(WL_SCHED_SCAN)
static int wl_android_set_pno_setup(struct net_device *dev, char *command, int total_len)
{
	wlc_ssid_t ssids_local[MAX_PFN_LIST_COUNT];
	int res = -1;
	int nssid = 0;
	cmd_tlv_t *cmd_tlv_temp;
	char *str_ptr;
	int tlv_size_left;
	int pno_time = 0;
	int pno_repeat = 0;
	int pno_freq_expo_max = 0;

#ifdef PNO_SET_DEBUG
	int i;
	char pno_in_example[] = {
		'P', 'N', 'O', 'S', 'E', 'T', 'U', 'P', ' ',
		'S', '1', '2', '0',
		'S',
		0x05,
		'd', 'l', 'i', 'n', 'k',
		'S',
		0x04,
		'G', 'O', 'O', 'G',
		'T',
		'0', 'B',
		'R',
		'2',
		'M',
		'2',
		0x00
		};
#endif /* PNO_SET_DEBUG */

	DHD_INFO(("%s: command=%s, len=%d\n", __FUNCTION__, command, total_len));

	if (total_len < (strlen(CMD_PNOSETUP_SET) + sizeof(cmd_tlv_t))) {
		DHD_ERROR(("%s argument=%d less min size\n", __FUNCTION__, total_len));
		goto exit_proc;
	}


#ifdef PNO_SET_DEBUG
	memcpy(command, pno_in_example, sizeof(pno_in_example));
	for (i = 0; i < sizeof(pno_in_example); i++)
		printf("%02X ", command[i]);
	printf("\n");
	total_len = sizeof(pno_in_example);
#endif

	str_ptr = command + strlen(CMD_PNOSETUP_SET);
	tlv_size_left = total_len - strlen(CMD_PNOSETUP_SET);

	cmd_tlv_temp = (cmd_tlv_t *)str_ptr;
	memset(ssids_local, 0, sizeof(ssids_local));

	if ((cmd_tlv_temp->prefix == PNO_TLV_PREFIX) &&
		(cmd_tlv_temp->version == PNO_TLV_VERSION) &&
		(cmd_tlv_temp->subver == PNO_TLV_SUBVERSION)) {

		str_ptr += sizeof(cmd_tlv_t);
		tlv_size_left -= sizeof(cmd_tlv_t);

		if ((nssid = wl_iw_parse_ssid_list_tlv(&str_ptr, ssids_local,
			MAX_PFN_LIST_COUNT, &tlv_size_left)) <= 0) {
			DHD_ERROR(("SSID is not presented or corrupted ret=%d\n", nssid));
			goto exit_proc;
		} else {
			if ((str_ptr[0] != PNO_TLV_TYPE_TIME) || (tlv_size_left <= 1)) {
				DHD_ERROR(("%s scan duration corrupted field size %d\n",
					__FUNCTION__, tlv_size_left));
				goto exit_proc;
			}
			str_ptr++;
			pno_time = simple_strtoul(str_ptr, &str_ptr, 16);
			DHD_INFO(("%s: pno_time=%d\n", __FUNCTION__, pno_time));

			if (str_ptr[0] != 0) {
				if ((str_ptr[0] != PNO_TLV_FREQ_REPEAT)) {
					DHD_ERROR(("%s pno repeat : corrupted field\n",
						__FUNCTION__));
					goto exit_proc;
				}
				str_ptr++;
				pno_repeat = simple_strtoul(str_ptr, &str_ptr, 16);
				DHD_INFO(("%s :got pno_repeat=%d\n", __FUNCTION__, pno_repeat));
				if (str_ptr[0] != PNO_TLV_FREQ_EXPO_MAX) {
					DHD_ERROR(("%s FREQ_EXPO_MAX corrupted field size\n",
						__FUNCTION__));
					goto exit_proc;
				}
				str_ptr++;
				pno_freq_expo_max = simple_strtoul(str_ptr, &str_ptr, 16);
				DHD_INFO(("%s: pno_freq_expo_max=%d\n",
					__FUNCTION__, pno_freq_expo_max));
			}
		}
	} else {
		DHD_ERROR(("%s get wrong TLV command\n", __FUNCTION__));
		goto exit_proc;
	}

	res = dhd_dev_pno_set(dev, ssids_local, nssid, pno_time, pno_repeat, pno_freq_expo_max);

exit_proc:
	return res;
}
#endif /* PNO_SUPPORT && !WL_SCHED_SCAN */

static int wl_android_get_p2p_dev_addr(struct net_device *ndev, char *command, int total_len)
{
	int ret;
	int bytes_written = 0;

	ret = wl_cfg80211_get_p2p_dev_addr(ndev, (struct ether_addr*)command);
	if (ret)
		return 0;
	bytes_written = sizeof(struct ether_addr);
	return bytes_written;
}

#ifdef BCMCCX
static int wl_android_get_cckm_rn(struct net_device *dev, char *command)
{
	int error, rn;

	WL_TRACE(("%s:wl_android_get_cckm_rn\n", dev->name));

	error = wldev_iovar_getint(dev, "cckm_rn", &rn);
	if (unlikely(error)) {
		WL_ERR(("wl_android_get_cckm_rn error (%d)\n", error));
		return -1;
	}
	memcpy(command, &rn, sizeof(int));

	return sizeof(int);
}

static int wl_android_set_cckm_krk(struct net_device *dev, char *command)
{
	int error;
	unsigned char key[16];
	static char iovar_buf[WLC_IOCTL_MEDLEN];

	WL_TRACE(("%s: wl_iw_set_cckm_krk\n", dev->name));

	memset(iovar_buf, 0, sizeof(iovar_buf));
	memcpy(key, command+strlen("set cckm_krk")+1, 16);

	error = wldev_iovar_setbuf(dev, "cckm_krk", key, sizeof(key),
		iovar_buf, WLC_IOCTL_MEDLEN, NULL);
	if (unlikely(error))
	{
		WL_ERR((" cckm_krk set error (%d)\n", error));
		return -1;
	}
	return 0;
}

static int wl_android_get_assoc_res_ies(struct net_device *dev, char *command)
{
	int error;
	u8 buf[WL_ASSOC_INFO_MAX];
	wl_assoc_info_t assoc_info;
	u32 resp_ies_len = 0;
	int bytes_written = 0;

	WL_TRACE(("%s: wl_iw_get_assoc_res_ies\n", dev->name));

	error = wldev_iovar_getbuf(dev, "assoc_info", NULL, 0, buf, WL_ASSOC_INFO_MAX, NULL);
	if (unlikely(error)) {
		WL_ERR(("could not get assoc info (%d)\n", error));
		return -1;
	}

	memcpy(&assoc_info, buf, sizeof(wl_assoc_info_t));
	assoc_info.req_len = htod32(assoc_info.req_len);
	assoc_info.resp_len = htod32(assoc_info.resp_len);
	assoc_info.flags = htod32(assoc_info.flags);

	if (assoc_info.resp_len) {
		resp_ies_len = assoc_info.resp_len - sizeof(struct dot11_assoc_resp);
	}

	/* first 4 bytes are ie len */
	memcpy(command, &resp_ies_len, sizeof(u32));
	bytes_written = sizeof(u32);

	/* get the association resp IE's if there are any */
	if (resp_ies_len) {
		error = wldev_iovar_getbuf(dev, "assoc_resp_ies", NULL, 0,
			buf, WL_ASSOC_INFO_MAX, NULL);
		if (unlikely(error)) {
			WL_ERR(("could not get assoc resp_ies (%d)\n", error));
			return -1;
		}

		memcpy(command+sizeof(u32), buf, resp_ies_len);
		bytes_written += resp_ies_len;
	}
	return bytes_written;
}

#endif /* BCMCCX */

/**
 * Global function definitions (declared in wl_android.h)
 */

int wl_android_wifi_on(struct net_device *dev)
{
	int ret = 0;
	int retry = POWERUP_MAX_RETRY;

	printk("%s in\n", __FUNCTION__);
	if (!dev) {
		DHD_ERROR(("%s: dev is null\n", __FUNCTION__));
		return -EINVAL;
	}

	dhd_net_if_lock(dev);
	if (!g_wifi_on) {
		do {
			dhd_customer_gpio_wlan_ctrl(WLAN_RESET_ON);
			ret = sdioh_start(NULL, 0);
			if (ret == 0)
				break;
			DHD_ERROR(("\nfailed to power up wifi chip, retry again (%d left) **\n\n",
				retry+1));
			dhd_customer_gpio_wlan_ctrl(WLAN_RESET_OFF);
		} while (retry-- >= 0);
		if (ret != 0) {
			DHD_ERROR(("\nfailed to power up wifi chip, max retry reached **\n\n"));
			goto exit;
		}
		ret = dhd_dev_reset(dev, FALSE);
		sdioh_start(NULL, 1);
		if (!ret) {
			if (dhd_dev_init_ioctl(dev) < 0)
				ret = -EFAULT;
		}
#if defined(PROP_TXSTATUS) && !defined(PROP_TXSTATUS_VSDB)
		dhd_wlfc_init(bcmsdh_get_drvdata());
#endif
		g_wifi_on = TRUE;
	}

exit:
	dhd_net_if_unlock(dev);

	return ret;
}

int wl_android_wifi_off(struct net_device *dev)
{
	int ret = 0;

	printk("%s in\n", __FUNCTION__);
	if (!dev) {
		DHD_TRACE(("%s: dev is null\n", __FUNCTION__));
		return -EINVAL;
	}

	dhd_net_if_lock(dev);
	if (g_wifi_on) {
#if defined(PROP_TXSTATUS) && !defined(PROP_TXSTATUS_VSDB)
		dhd_wlfc_deinit(bcmsdh_get_drvdata());
#endif
		ret = dhd_dev_reset(dev, TRUE);
		sdioh_stop(NULL);
		dhd_customer_gpio_wlan_ctrl(WLAN_RESET_OFF);
		g_wifi_on = FALSE;
	}
	dhd_net_if_unlock(dev);

	return ret;
}

static int wl_android_set_fwpath(struct net_device *net, char *command, int total_len)
{
	if ((strlen(command) - strlen(CMD_SETFWPATH)) > MOD_PARAM_PATHLEN)
		return -1;
	bcm_strncpy_s(fw_path, sizeof(fw_path),
		command + strlen(CMD_SETFWPATH) + 1, MOD_PARAM_PATHLEN - 1);
	if (strstr(fw_path, "apsta") != NULL) {
		DHD_INFO(("GOT APSTA FIRMWARE\n"));
		ap_fw_loaded = TRUE;
	} else {
		DHD_INFO(("GOT STA FIRMWARE\n"));
		ap_fw_loaded = FALSE;
	}
	return 0;
}


static int
wl_android_set_pmk(struct net_device *dev, char *command, int total_len)
{
	uchar pmk[33];
	int error = 0;
	char smbuf[WLC_IOCTL_SMLEN];
#ifdef OKC_DEBUG
	int i = 0;
#endif

	bzero(pmk, sizeof(pmk));
	memcpy((char *)pmk, command + strlen("SET_PMK "), 32);
	error = wldev_iovar_setbuf(dev, "okc_info_pmk", pmk, 32, smbuf, sizeof(smbuf), NULL);
	if (error) {
		DHD_ERROR(("Failed to set PMK for OKC, error = %d\n", error));
	}
#ifdef OKC_DEBUG
	DHD_ERROR(("PMK is "));
	for (i = 0; i < 32; i++)
		DHD_ERROR(("%02X ", pmk[i]));

	DHD_ERROR(("\n"));
#endif
	return error;
}

static int
wl_android_okc_enable(struct net_device *dev, char *command, int total_len)
{
	int error = 0;
	char okc_enable = 0;

	okc_enable = command[strlen(CMD_OKC_ENABLE) + 1] - '0';
	error = wldev_iovar_setint(dev, "okc_enable", okc_enable);
	if (error) {
		DHD_ERROR(("Failed to %s OKC, error = %d\n",
			okc_enable ? "enable" : "disable", error));
	}

	wldev_iovar_setint(dev, "ccx_enable", 0);

	return error;
}


#ifdef CUSTOMER_HW4
#ifdef SUPPORT_AMPDU_MPDU_CMD
/* CMD_AMPDU_MPDU */
static int
wl_android_set_ampdu_mpdu(struct net_device *dev, const char* string_num)
{
	int err = 0;
	int ampdu_mpdu;

	ampdu_mpdu = bcm_atoi(string_num);

	if (ampdu_mpdu > 32) {
		DHD_ERROR(("%s : ampdu_mpdu MAX value is 32.\n", __FUNCTION__));
		return -1;
	}

	DHD_ERROR(("%s : ampdu_mpdu = %d\n", __FUNCTION__, ampdu_mpdu));
	err = wldev_iovar_setint(dev, "ampdu_mpdu", ampdu_mpdu);
	if (err < 0) {
		DHD_ERROR(("%s : ampdu_mpdu set error. %d\n", __FUNCTION__, err));
		return -1;
	}

	return 0;
}
#endif /* SUPPORT_AMPDU_MPDU_CMD */

/* SoftAP feature */
#ifdef SUPPORT_AUTO_CHANNEL
static int
wl_android_set_auto_channel(struct net_device *dev, const char* string_num,
	char* command, int total_len)
{
	int channel;
	int chosen = 0;
	int retry = 0;
	int ret = 0;

	/* Restrict channel to 1 - 7: 2GHz, 20MHz BW, No SB */
	u32 req_buf[8] = {7, 0x2B01, 0x2B02, 0x2B03, 0x2B04, 0x2B05, 0x2B06,
		0x2B07};

	/* Auto channel select */
	wl_uint32_list_t request;

	channel = bcm_atoi(string_num);
	DHD_INFO(("%s : HAPD_AUTO_CHANNEL = %d\n", __FUNCTION__, channel));

	if (channel == 20)
		ret = wldev_ioctl(dev, WLC_START_CHANNEL_SEL, (void *)&req_buf,
			sizeof(req_buf), true);
	else { /* channel == 0 */
		request.count = htod32(0);
		ret = wldev_ioctl(dev, WLC_START_CHANNEL_SEL, (void *)&request,
			sizeof(request), true);
	}

	if (ret < 0) {
		DHD_ERROR(("%s: can't start auto channel scan, err = %d\n",
			__FUNCTION__, ret));
		channel = 0;
		goto done;
	}

	/* Wait for auto channel selection, max 2500 ms */
	bcm_mdelay(500);

	retry = 10;
	while (retry--) {
		ret = wldev_ioctl(dev, WLC_GET_CHANNEL_SEL, &chosen, sizeof(chosen),
			false);
		if (ret < 0 || dtoh32(chosen) == 0) {
			DHD_INFO(("%s: %d tried, ret = %d, chosen = %d\n",
				__FUNCTION__, (10 - retry), ret, chosen));
			bcm_mdelay(200);
		}
		else {
			channel = (u16)chosen & 0x00FF;
			DHD_ERROR(("%s: selected channel = %d\n", __FUNCTION__, channel));
			break;
		}
	}

	if (retry == 0) {
		DHD_ERROR(("%s: auto channel timed out, failed\n", __FUNCTION__));
		channel = 0;
	}

done:
	snprintf(command, 4, "%d", channel);
	DHD_INFO(("%s: command result is %s\n", __FUNCTION__, command));

	return 4;
}
#endif /* SUPPORT_AUTO_CHANNEL */

#ifdef SUPPORT_HIDDEN_AP
static int
wl_android_set_max_num_sta(struct net_device *dev, const char* string_num)
{
	int max_assoc;

	max_assoc = bcm_atoi(string_num);
	DHD_INFO(("%s : HAPD_MAX_NUM_STA = %d\n", __FUNCTION__, max_assoc));
	wldev_iovar_setint(dev, "maxassoc", max_assoc);
	return 1;
}

static int
wl_android_set_ssid(struct net_device *dev, const char* hapd_ssid)
{
	wlc_ssid_t ssid;
	s32 ret;

	ssid.SSID_len = strlen(hapd_ssid);
	if (ssid.SSID_len > DOT11_MAX_SSID_LEN) {
		ssid.SSID_len = DOT11_MAX_SSID_LEN;
		DHD_ERROR(("%s : Too long SSID Length %d\n", __FUNCTION__, strlen(hapd_ssid)));
	}
	bcm_strncpy_s(ssid.SSID, sizeof(ssid.SSID), hapd_ssid, ssid.SSID_len);
	DHD_INFO(("%s: HAPD_SSID = %s\n", __FUNCTION__, ssid.SSID));
	ret = wldev_ioctl(dev, WLC_SET_SSID, &ssid, sizeof(wlc_ssid_t), true);
	if (ret < 0) {
		DHD_ERROR(("%s : WLC_SET_SSID Error:%d\n", __FUNCTION__, ret));
	}
	return 1;

}

static int
wl_android_set_hide_ssid(struct net_device *dev, const char* string_num)
{
	int hide_ssid;
	int enable = 0;

	hide_ssid = bcm_atoi(string_num);
	DHD_INFO(("%s: HAPD_HIDE_SSID = %d\n", __FUNCTION__, hide_ssid));
	if (hide_ssid)
		enable = 1;
	wldev_iovar_setint(dev, "closednet", enable);
	return 1;
}
#endif /* SUPPORT_HIDDEN_AP */

#ifdef SUPPORT_SOFTAP_SINGL_DISASSOC
static int
wl_android_sta_diassoc(struct net_device *dev, const char* straddr)
{
	scb_val_t scbval;
	int error  = 0;

	DHD_INFO(("%s: deauth STA %s\n", __FUNCTION__, straddr));

	/* Unspecified reason */
	scbval.val = htod32(1);
	bcm_ether_atoe(straddr, &scbval.ea);

	DHD_ERROR(("%s: deauth STA: "MACDBG " scb_val.val %d\n", __FUNCTION__,
		MAC2STRDBG(scbval.ea.octet), scbval.val));

	error = wldev_ioctl(dev, WLC_SCB_DEAUTHENTICATE_FOR_REASON, &scbval,
		sizeof(scb_val_t), true);
	if (error) {
		DHD_ERROR(("Fail to DEAUTH station, error = %d\n", error));
	}

	return 1;
}
#endif /* SUPPORT_SOFTAP_SINGL_DISASSOC */

#ifdef SUPPORT_SET_LPC
static int
wl_android_set_lpc(struct net_device *dev, const char* string_num)
{
	int lpc_enabled, ret;
	s32 val = 1;

	lpc_enabled = bcm_atoi(string_num);
	DHD_INFO(("%s : HAPD_LPC_ENABLED = %d\n", __FUNCTION__, lpc_enabled));

	ret = wldev_ioctl(dev, WLC_DOWN, &val, sizeof(s32), true);
	if (ret < 0)
		DHD_ERROR(("WLC_DOWN error %d\n", ret));

	wldev_iovar_setint(dev, "lpc", lpc_enabled);

	ret = wldev_ioctl(dev, WLC_UP, &val, sizeof(s32), true);
	if (ret < 0)
		DHD_ERROR(("WLC_UP error %d\n", ret));

	return 1;
}
#endif /* SUPPORT_SET_LPC */

static int
wl_android_ch_res_rl(struct net_device *dev, bool change)
{
	int error = 0;
	s32 srl = 7;
	s32 lrl = 4;
	printk("%s enter\n", __FUNCTION__);
	if (change) {
		srl = 4;
		lrl = 2;
	}
	error = wldev_ioctl(dev, WLC_SET_SRL, &srl, sizeof(s32), true);
	if (error) {
		DHD_ERROR(("Failed to set SRL, error = %d\n", error));
	}
	error = wldev_ioctl(dev, WLC_SET_LRL, &lrl, sizeof(s32), true);
	if (error) {
		DHD_ERROR(("Failed to set LRL, error = %d\n", error));
	}
	return error;
}
#endif /* CUSTOMER_HW4 */

int wl_android_set_roam_mode(struct net_device *dev, char *command, int total_len)
{
	int error = 0;
	int mode = 0;

	if (sscanf(command, "%*s %d", &mode) != 1) {
		DHD_ERROR(("%s: Failed to get Parameter\n", __FUNCTION__));
		return -1;
	}

	error = wldev_iovar_setint(dev, "roam_off", mode);
	if (error) {
		DHD_ERROR(("%s: Failed to set roaming Mode %d, error = %d\n",
		__FUNCTION__, mode, error));
		return -1;
	}
	else
		DHD_ERROR(("%s: succeeded to set roaming Mode %d, error = %d\n",
		__FUNCTION__, mode, error));
	return 0;
}

int wl_android_priv_cmd(struct net_device *net, struct ifreq *ifr, int cmd)
{
#ifdef CUSTOMER_HW4
/* DO NOT CHANGE THIS: Samsung JBP branch requires 16KB buffer size */
#define PRIVATE_COMMAND_MAX_LEN	16384
#else
#define PRIVATE_COMMAND_MAX_LEN	8192
#endif /* CUSTOMER_HW4 */
	int ret = 0;
	char *command = NULL;
	int bytes_written = 0;
	android_wifi_priv_cmd priv_cmd;

	net_os_wake_lock(net);

	if (!ifr->ifr_data) {
		ret = -EINVAL;
		goto exit;
	}
	if (copy_from_user(&priv_cmd, ifr->ifr_data, sizeof(android_wifi_priv_cmd))) {
		ret = -EFAULT;
		goto exit;
	}
	if (priv_cmd.total_len > PRIVATE_COMMAND_MAX_LEN)
	{
		DHD_ERROR(("%s: too long priavte command\n", __FUNCTION__));
		ret = -EINVAL;
		goto exit;
	}
	command = kmalloc((priv_cmd.total_len + 1), GFP_KERNEL);
	if (!command)
	{
		DHD_ERROR(("%s: failed to allocate memory\n", __FUNCTION__));
		ret = -ENOMEM;
		goto exit;
	}
	if (copy_from_user(command, priv_cmd.buf, priv_cmd.total_len)) {
		ret = -EFAULT;
		goto exit;
	}
	command[priv_cmd.total_len] = '\0';

	DHD_INFO(("%s: Android private cmd \"%s\" on %s\n", __FUNCTION__, command, ifr->ifr_name));

	if (strnicmp(command, CMD_START, strlen(CMD_START)) == 0) {
		DHD_INFO(("%s, Received regular START command\n", __FUNCTION__));
#ifdef SUPPORT_DEEP_SLEEP
		trigger_deep_sleep = 1;
#else
		bytes_written = wl_android_wifi_on(net);
#endif /* SUPPORT_DEEP_SLEEP */
	}
	else if (strnicmp(command, CMD_SETFWPATH, strlen(CMD_SETFWPATH)) == 0) {
		bytes_written = wl_android_set_fwpath(net, command, priv_cmd.total_len);
	}

	if (!g_wifi_on) {
		DHD_ERROR(("%s: Ignore private cmd \"%s\" - iface %s is down\n",
			__FUNCTION__, command, ifr->ifr_name));
		ret = 0;
		goto exit;
	}

	if (strnicmp(command, CMD_STOP, strlen(CMD_STOP)) == 0) {
#ifdef SUPPORT_DEEP_SLEEP
		trigger_deep_sleep = 1;
#else
		bytes_written = wl_android_wifi_off(net);
#endif /* SUPPORT_DEEP_SLEEP */
	}
	else if (strnicmp(command, CMD_SCAN_ACTIVE, strlen(CMD_SCAN_ACTIVE)) == 0) {
		/* TBD: SCAN-ACTIVE */
	}
	else if (strnicmp(command, CMD_SCAN_PASSIVE, strlen(CMD_SCAN_PASSIVE)) == 0) {
		/* TBD: SCAN-PASSIVE */
	}
	else if (strnicmp(command, CMD_RSSI, strlen(CMD_RSSI)) == 0) {
		bytes_written = wl_android_get_rssi(net, command, priv_cmd.total_len);
	}
	else if (strnicmp(command, CMD_LINKSPEED, strlen(CMD_LINKSPEED)) == 0) {
		bytes_written = wl_android_get_link_speed(net, command, priv_cmd.total_len);
	}
#ifdef PKT_FILTER_SUPPORT
	else if (strnicmp(command, CMD_RXFILTER_START, strlen(CMD_RXFILTER_START)) == 0) {
		bytes_written = net_os_enable_packet_filter(net, 1);
	}
	else if (strnicmp(command, CMD_RXFILTER_STOP, strlen(CMD_RXFILTER_STOP)) == 0) {
		bytes_written = net_os_enable_packet_filter(net, 0);
	}
	else if (strnicmp(command, CMD_RXFILTER_ADD, strlen(CMD_RXFILTER_ADD)) == 0) {
		int filter_num = *(command + strlen(CMD_RXFILTER_ADD) + 1) - '0';
		bytes_written = net_os_rxfilter_add_remove(net, TRUE, filter_num);
	}
	else if (strnicmp(command, CMD_RXFILTER_REMOVE, strlen(CMD_RXFILTER_REMOVE)) == 0) {
		int filter_num = *(command + strlen(CMD_RXFILTER_REMOVE) + 1) - '0';
		bytes_written = net_os_rxfilter_add_remove(net, FALSE, filter_num);
	}
#endif /* PKT_FILTER_SUPPORT */
	else if (strnicmp(command, CMD_BTCOEXSCAN_START, strlen(CMD_BTCOEXSCAN_START)) == 0) {
		/* TBD: BTCOEXSCAN-START */
	}
	else if (strnicmp(command, CMD_BTCOEXSCAN_STOP, strlen(CMD_BTCOEXSCAN_STOP)) == 0) {
		/* TBD: BTCOEXSCAN-STOP */
	}
	else if (strnicmp(command, CMD_BTCOEXMODE, strlen(CMD_BTCOEXMODE)) == 0) {
#ifdef WL_CFG80211
		bytes_written = wl_cfg80211_set_btcoex_dhcp(net, command);
#else
#ifdef PKT_FILTER_SUPPORT
		uint mode = *(command + strlen(CMD_BTCOEXMODE) + 1) - '0';

		if (mode == 1)
			net_os_enable_packet_filter(net, 0); /* DHCP starts */
		else
			net_os_enable_packet_filter(net, 1); /* DHCP ends */
#endif /* PKT_FILTER_SUPPORT */
#endif /* WL_CFG80211 */
	}
	else if (strnicmp(command, CMD_SETSUSPENDOPT, strlen(CMD_SETSUSPENDOPT)) == 0) {
		bytes_written = wl_android_set_suspendopt(net, command, priv_cmd.total_len);
	}
	else if (strnicmp(command, CMD_SETSUSPENDMODE, strlen(CMD_SETSUSPENDMODE)) == 0) {
		bytes_written = wl_android_set_suspendmode(net, command, priv_cmd.total_len);
	}
	else if (strnicmp(command, CMD_SETBAND, strlen(CMD_SETBAND)) == 0) {
		uint band = *(command + strlen(CMD_SETBAND) + 1) - '0';
#ifdef WL_HOST_BAND_MGMT
		s32 ret = 0;
		if ((ret = wl_cfg80211_set_band(net, band)) < 0) {
			if (ret == BCME_UNSUPPORTED) {
				/* If roam_var is unsupported, fallback to the original method */
				WL_ERR(("WL_HOST_BAND_MGMT defined, "
					"but roam_band iovar unsupported in the firmware\n"));
			} else {
				bytes_written = -1;
				goto exit;
			}
		}
		if ((band == WLC_BAND_AUTO) || (ret == BCME_UNSUPPORTED))
			bytes_written = wldev_set_band(net, band);
#else
		bytes_written = wldev_set_band(net, band);
#endif /* WL_HOST_BAND_MGMT */
	}
	else if (strnicmp(command, CMD_GETBAND, strlen(CMD_GETBAND)) == 0) {
		bytes_written = wl_android_get_band(net, command, priv_cmd.total_len);
	}
#ifdef WL_CFG80211
#ifndef CUSTOMER_SET_COUNTRY
	/* CUSTOMER_SET_COUNTRY feature is define for only GGSM model */
	else if (strnicmp(command, CMD_COUNTRY, strlen(CMD_COUNTRY)) == 0) {
		char *country_code = command + strlen(CMD_COUNTRY) + 1;
		bytes_written = wldev_set_country(net, country_code);
	}
#endif /* CUSTOMER_SET_COUNTRY */
#endif /* WL_CFG80211 */

#ifdef CUSTOMER_HW4
#ifdef ROAM_API
	else if (strnicmp(command, CMD_ROAMTRIGGER_SET,
		strlen(CMD_ROAMTRIGGER_SET)) == 0) {
		bytes_written = wl_android_set_roam_trigger(net, command,
		priv_cmd.total_len);
	} else if (strnicmp(command, CMD_ROAMTRIGGER_GET,
		strlen(CMD_ROAMTRIGGER_GET)) == 0) {
		bytes_written = wl_android_get_roam_trigger(net, command,
		priv_cmd.total_len);
	} else if (strnicmp(command, CMD_ROAMDELTA_SET,
		strlen(CMD_ROAMDELTA_SET)) == 0) {
		bytes_written = wl_android_set_roam_delta(net, command,
		priv_cmd.total_len);
	} else if (strnicmp(command, CMD_ROAMDELTA_GET,
		strlen(CMD_ROAMDELTA_GET)) == 0) {
		bytes_written = wl_android_get_roam_delta(net, command,
		priv_cmd.total_len);
	} else if (strnicmp(command, CMD_ROAMSCANPERIOD_SET,…