/*
 * Linux cfg80211 driver - Android related functions
 *
 * Copyright (C) 1999-2014, 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 470703 2014-04-16 02:25:28Z $
 */

#include <linux/module.h>
#include <linux/netdevice.h>
#include <net/netlink.h>
#ifdef CONFIG_COMPAT
#include <linux/compat.h>
#endif

#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 <proto/bcmip.h>
#ifdef PNO_SUPPORT
#include <dhd_pno.h>
#endif
#ifdef BCMSDIO
#include <bcmsdbus.h>
#endif
#ifdef WL_CFG80211
#include <wl_cfg80211.h>
#endif

/*
 * 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 " /* "BTCOEXMODE %d" */
#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 /* WL_ENABLE_P2P_IF */
#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"
#define CMD_SETIBSSBEACONOUIDATA	"SETIBSSBEACONOUIDATA"
#define CMD_MIRACAST		"MIRACAST"

#if defined(WL_SUPPORT_AUTO_CHANNEL)
#define CMD_GET_BEST_CHANNELS	"GET_BEST_CHANNELS"
#endif /* WL_SUPPORT_AUTO_CHANNEL */

#define CMD_KEEP_ALIVE		"KEEPALIVE"

/* CCX Private Commands */

#ifdef PNO_SUPPORT
#define CMD_PNOSSIDCLR_SET	"PNOSSIDCLR"
#define CMD_PNOSETUP_SET	"PNOSETUP "
#define CMD_PNOENABLE_SET	"PNOFORCE"
#define CMD_PNODEBUG_SET	"PNODEBUG"
#define CMD_WLS_BATCHING	"WLS_BATCHING"
#endif /* PNO_SUPPORT */

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

#define	CMD_HAPD_MAC_FILTER	"HAPD_MAC_FILTER"


#define CMD_ROAM_OFFLOAD			"SETROAMOFFLOAD"

/* miracast related definition */
#define MIRACAST_MODE_OFF	0
#define MIRACAST_MODE_SOURCE	1
#define MIRACAST_MODE_SINK	2

#ifndef MIRACAST_AMPDU_SIZE
#define MIRACAST_AMPDU_SIZE	8
#endif

#ifndef MIRACAST_MCHAN_ALGO
#define MIRACAST_MCHAN_ALGO     1
#endif

#ifndef MIRACAST_MCHAN_BW
#define MIRACAST_MCHAN_BW       25
#endif

static LIST_HEAD(miracast_resume_list);
static u8 miracast_cur_mode;

struct io_cfg {
	s8 *iovar;
	s32 param;
	u32 ioctl;
	void *arg;
	u32 len;
	struct list_head list;
};

typedef struct _android_wifi_priv_cmd {
	char *buf;
	int used_len;
	int total_len;
} android_wifi_priv_cmd;

#ifdef CONFIG_COMPAT
typedef struct _compat_android_wifi_priv_cmd {
	compat_caddr_t buf;
	int used_len;
	int total_len;
} compat_android_wifi_priv_cmd;
#endif /* CONFIG_COMPAT */

#if defined(BCMFW_ROAM_ENABLE)
#define CMD_SET_ROAMPREF	"SET_ROAMPREF"

#define MAX_NUM_SUITES		10
#define WIDTH_AKM_SUITE		8
#define JOIN_PREF_RSSI_LEN		0x02
#define JOIN_PREF_RSSI_SIZE		4	/* RSSI pref header size in bytes */
#define JOIN_PREF_WPA_HDR_SIZE		4 /* WPA pref header size in bytes */
#define JOIN_PREF_WPA_TUPLE_SIZE	12	/* Tuple size in bytes */
#define JOIN_PREF_MAX_WPA_TUPLES	16
#define MAX_BUF_SIZE		(JOIN_PREF_RSSI_SIZE + JOIN_PREF_WPA_HDR_SIZE +	\
				           (JOIN_PREF_WPA_TUPLE_SIZE * JOIN_PREF_MAX_WPA_TUPLES))
#endif /* BCMFW_ROAM_ENABLE */


/**
 * Extern function declarations (TODO: move them to dhd_linux.h)
 */
int dhd_net_bus_devreset(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, int mode);
#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 */


#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)
extern char iface_name[IFNAMSIZ];
#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;

		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));
		}
	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 PNO_SUPPORT
#define PNO_PARAM_SIZE 50
#define VALUE_SIZE 50
#define LIMIT_STR_FMT  ("%50s %50s")
static int
wls_parse_batching_cmd(struct net_device *dev, char *command, int total_len)
{
	int err = BCME_OK;
	uint i, tokens;
	char *pos, *pos2, *token, *token2, *delim;
	char param[PNO_PARAM_SIZE], value[VALUE_SIZE];
	struct dhd_pno_batch_params batch_params;
	DHD_PNO(("%s: command=%s, len=%d\n", __FUNCTION__, command, total_len));
	if (total_len < strlen(CMD_WLS_BATCHING)) {
		DHD_ERROR(("%s argument=%d less min size\n", __FUNCTION__, total_len));
		err = BCME_ERROR;
		goto exit;
	}
	pos = command + strlen(CMD_WLS_BATCHING) + 1;
	memset(&batch_params, 0, sizeof(struct dhd_pno_batch_params));

	if (!strncmp(pos, PNO_BATCHING_SET, strlen(PNO_BATCHING_SET))) {
		pos += strlen(PNO_BATCHING_SET) + 1;
		while ((token = strsep(&pos, PNO_PARAMS_DELIMETER)) != NULL) {
			memset(param, 0, sizeof(param));
			memset(value, 0, sizeof(value));
			if (token == NULL || !*token)
				break;
			if (*token == '\0')
				continue;
			delim = strchr(token, PNO_PARAM_VALUE_DELLIMETER);
			if (delim != NULL)
				*delim = ' ';

			tokens = sscanf(token, LIMIT_STR_FMT, param, value);
			if (!strncmp(param, PNO_PARAM_SCANFREQ, strlen(PNO_PARAM_SCANFREQ))) {
				batch_params.scan_fr = simple_strtol(value, NULL, 0);
				DHD_PNO(("scan_freq : %d\n", batch_params.scan_fr));
			} else if (!strncmp(param, PNO_PARAM_BESTN, strlen(PNO_PARAM_BESTN))) {
				batch_params.bestn = simple_strtol(value, NULL, 0);
				DHD_PNO(("bestn : %d\n", batch_params.bestn));
			} else if (!strncmp(param, PNO_PARAM_MSCAN, strlen(PNO_PARAM_MSCAN))) {
				batch_params.mscan = simple_strtol(value, NULL, 0);
				DHD_PNO(("mscan : %d\n", batch_params.mscan));
			} else if (!strncmp(param, PNO_PARAM_CHANNEL, strlen(PNO_PARAM_CHANNEL))) {
				i = 0;
				pos2 = value;
				tokens = sscanf(value, "<%s>", value);
				if (tokens != 1) {
					err = BCME_ERROR;
					DHD_ERROR(("%s : invalid format for channel"
					" <> params\n", __FUNCTION__));
					goto exit;
				}
					while ((token2 = strsep(&pos2,
					PNO_PARAM_CHANNEL_DELIMETER)) != NULL) {
					if (token2 == NULL || !*token2)
						break;
					if (*token2 == '\0')
						continue;
					if (*token2 == 'A' || *token2 == 'B') {
						batch_params.band = (*token2 == 'A')?
							WLC_BAND_5G : WLC_BAND_2G;
						DHD_PNO(("band : %s\n",
							(*token2 == 'A')? "A" : "B"));
					} else {
						batch_params.chan_list[i++] =
						simple_strtol(token2, NULL, 0);
						batch_params.nchan++;
						DHD_PNO(("channel :%d\n",
						batch_params.chan_list[i-1]));
					}
				 }
			} else if (!strncmp(param, PNO_PARAM_RTT, strlen(PNO_PARAM_RTT))) {
				batch_params.rtt = simple_strtol(value, NULL, 0);
				DHD_PNO(("rtt : %d\n", batch_params.rtt));
			} else {
				DHD_ERROR(("%s : unknown param: %s\n", __FUNCTION__, param));
				err = BCME_ERROR;
				goto exit;
			}
		}
		err = dhd_dev_pno_set_for_batch(dev, &batch_params);
		if (err < 0) {
			DHD_ERROR(("failed to configure batch scan\n"));
		} else {
			memset(command, 0, total_len);
			err = sprintf(command, "%d", err);
		}
	} else if (!strncmp(pos, PNO_BATCHING_GET, strlen(PNO_BATCHING_GET))) {
		err = dhd_dev_pno_get_for_batch(dev, command, total_len);
		if (err < 0) {
			DHD_ERROR(("failed to getting batching results\n"));
		} else {
			err = strlen(command);
		}
	} else if (!strncmp(pos, PNO_BATCHING_STOP, strlen(PNO_BATCHING_STOP))) {
		err = dhd_dev_pno_stop_for_batch(dev);
		if (err < 0) {
			DHD_ERROR(("failed to stop batching scan\n"));
		} else {
			memset(command, 0, total_len);
			err = sprintf(command, "OK");
		}
	} else {
		DHD_ERROR(("%s : unknown command\n", __FUNCTION__));
		err = BCME_ERROR;
		goto exit;
	}
exit:
	return err;
}
#ifndef WL_SCHED_SCAN
static int wl_android_set_pno_setup(struct net_device *dev, char *command, int total_len)
{
	wlc_ssid_ext_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_PNO(("%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));
	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->subtype == PNO_TLV_SUBTYPE_LEGACY_PNO)) {

		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_PNO(("%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_PNO(("%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_PNO(("%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_for_ssid(dev, ssids_local, nssid, pno_time, pno_repeat,
		pno_freq_expo_max, NULL, 0);
exit_proc:
	return res;
}
#endif /* !WL_SCHED_SCAN */
#endif /* PNO_SUPPORT  */

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;
}


int
wl_android_set_ap_mac_list(struct net_device *dev, int macmode, struct maclist *maclist)
{
	int i, j, match;
	int ret	= 0;
	char mac_buf[MAX_NUM_OF_ASSOCLIST *
		sizeof(struct ether_addr) + sizeof(uint)] = {0};
	struct maclist *assoc_maclist = (struct maclist *)mac_buf;

	/* set filtering mode */
	if ((ret = wldev_ioctl(dev, WLC_SET_MACMODE, &macmode, sizeof(macmode), true)) != 0) {
		DHD_ERROR(("%s : WLC_SET_MACMODE error=%d\n", __FUNCTION__, ret));
		return ret;
	}
	if (macmode != MACLIST_MODE_DISABLED) {
		/* set the MAC filter list */
		if ((ret = wldev_ioctl(dev, WLC_SET_MACLIST, maclist,
			sizeof(int) + sizeof(struct ether_addr) * maclist->count, true)) != 0) {
			DHD_ERROR(("%s : WLC_SET_MACLIST error=%d\n", __FUNCTION__, ret));
			return ret;
		}
		/* get the current list of associated STAs */
		assoc_maclist->count = MAX_NUM_OF_ASSOCLIST;
		if ((ret = wldev_ioctl(dev, WLC_GET_ASSOCLIST, assoc_maclist,
			sizeof(mac_buf), false)) != 0) {
			DHD_ERROR(("%s : WLC_GET_ASSOCLIST error=%d\n", __FUNCTION__, ret));
			return ret;
		}
		/* do we have any STA associated?  */
		if (assoc_maclist->count) {
			/* iterate each associated STA */
			for (i = 0; i < assoc_maclist->count; i++) {
				match = 0;
				/* compare with each entry */
				for (j = 0; j < maclist->count; j++) {
					DHD_INFO(("%s : associated="MACDBG " list="MACDBG "\n",
					__FUNCTION__, MAC2STRDBG(assoc_maclist->ea[i].octet),
					MAC2STRDBG(maclist->ea[j].octet)));
					if (memcmp(assoc_maclist->ea[i].octet,
						maclist->ea[j].octet, ETHER_ADDR_LEN) == 0) {
						match = 1;
						break;
					}
				}
				/* do conditional deauth */
				/*   "if not in the allow list" or "if in the deny list" */
				if ((macmode == MACLIST_MODE_ALLOW && !match) ||
					(macmode == MACLIST_MODE_DENY && match)) {
					scb_val_t scbval;

					scbval.val = htod32(1);
					memcpy(&scbval.ea, &assoc_maclist->ea[i],
						ETHER_ADDR_LEN);
					if ((ret = wldev_ioctl(dev,
						WLC_SCB_DEAUTHENTICATE_FOR_REASON,
						&scbval, sizeof(scb_val_t), true)) != 0)
						DHD_ERROR(("%s WLC_SCB_DEAUTHENTICATE error=%d\n",
							__FUNCTION__, ret));
				}
			}
		}
	}
	return ret;
}

/*
 * HAPD_MAC_FILTER mac_mode mac_cnt mac_addr1 mac_addr2
 *
 */
static int
wl_android_set_mac_address_filter(struct net_device *dev, const char* str)
{
	int i;
	int ret = 0;
	int macnum = 0;
	int macmode = MACLIST_MODE_DISABLED;
	struct maclist *list;
	char eabuf[ETHER_ADDR_STR_LEN];

	/* string should look like below (macmode/macnum/maclist) */
	/*   1 2 00:11:22:33:44:55 00:11:22:33:44:ff  */

	/* get the MAC filter mode */
	macmode = bcm_atoi(strsep((char**)&str, " "));

	if (macmode < MACLIST_MODE_DISABLED || macmode > MACLIST_MODE_ALLOW) {
		DHD_ERROR(("%s : invalid macmode %d\n", __FUNCTION__, macmode));
		return -1;
	}

	macnum = bcm_atoi(strsep((char**)&str, " "));
	if (macnum < 0 || macnum > MAX_NUM_MAC_FILT) {
		DHD_ERROR(("%s : invalid number of MAC address entries %d\n",
			__FUNCTION__, macnum));
		return -1;
	}
	/* allocate memory for the MAC list */
	list = (struct maclist*)kmalloc(sizeof(int) +
		sizeof(struct ether_addr) * macnum, GFP_KERNEL);
	if (!list) {
		DHD_ERROR(("%s : failed to allocate memory\n", __FUNCTION__));
		return -1;
	}
	/* prepare the MAC list */
	list->count = htod32(macnum);
	bzero((char *)eabuf, ETHER_ADDR_STR_LEN);
	for (i = 0; i < list->count; i++) {
		strncpy(eabuf, strsep((char**)&str, " "), ETHER_ADDR_STR_LEN - 1);
		if (!(ret = bcm_ether_atoe(eabuf, &list->ea[i]))) {
			DHD_ERROR(("%s : mac parsing err index=%d, addr=%s\n",
				__FUNCTION__, i, eabuf));
			list->count--;
			break;
		}
		DHD_INFO(("%s : %d/%d MACADDR=%s", __FUNCTION__, i, list->count, eabuf));
	}
	/* set the list */
	if ((ret = wl_android_set_ap_mac_list(dev, macmode, list)) != 0)
		DHD_ERROR(("%s : Setting MAC list failed error=%d\n", __FUNCTION__, ret));

	kfree(list);

	return 0;
}

/**
 * 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;

	DHD_ERROR(("%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_net_wifi_platform_set_power(dev, TRUE, WIFI_TURNON_DELAY);
#ifdef BCMSDIO
			ret = dhd_net_bus_resume(dev, 0);
#endif
			if (ret == 0)
				break;
			DHD_ERROR(("\nfailed to power up wifi chip, retry again (%d left) **\n\n",
				retry+1));
			dhd_net_wifi_platform_set_power(dev, FALSE, WIFI_TURNOFF_DELAY);
		} while (retry-- >= 0);
		if (ret != 0) {
			DHD_ERROR(("\nfailed to power up wifi chip, max retry reached **\n\n"));
			goto exit;
		}
#if defined(BCMSDIO) || defined(BCMPCIE)
		ret = dhd_net_bus_devreset(dev, FALSE);
#ifdef BCMSDIO
		if (!ret)
			dhd_net_bus_resume(dev, 1);
#endif
#endif /* BCMSDIO || BCMPCIE */
#ifndef BCMPCIE
		if (!ret) {
			if (dhd_dev_init_ioctl(dev) < 0)
				ret = -EFAULT;
		}
#endif
	if (!ret)
		g_wifi_on = TRUE;
	}

exit:
	dhd_net_if_unlock(dev);

	return ret;
}

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

	DHD_ERROR(("%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 || on_failure) {
#if defined(BCMSDIO) || defined(BCMPCIE)
		ret = dhd_net_bus_devreset(dev, TRUE);
#ifdef BCMSDIO
		dhd_net_bus_suspend(dev);
#endif
#endif /* BCMSDIO || BCMPCIE */
		dhd_net_wifi_platform_set_power(dev, FALSE, WIFI_TURNOFF_DELAY);
		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;
	return dhd_net_set_fw_path(net, command + strlen(CMD_SETFWPATH) + 1);
}


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;
}


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_set_ibss_beacon_ouidata(struct net_device *dev, char *command, int total_len)
{
	char ie_buf[VNDR_IE_MAX_LEN];
	char *ioctl_buf = NULL;
	char hex[] = "XX";
	char *pcmd = NULL;
	int ielen = 0, datalen = 0, idx = 0, tot_len = 0;
	vndr_ie_setbuf_t *vndr_ie = NULL;
	s32 iecount;
	uint32 pktflag;
	u16 kflags = in_atomic() ? GFP_ATOMIC : GFP_KERNEL;
	s32 err = BCME_OK;

	/* Check the VSIE (Vendor Specific IE) which was added.
	 *  If exist then send IOVAR to delete it
	 */
	if (wl_cfg80211_ibss_vsie_delete(dev) != BCME_OK) {
		return -EINVAL;
	}

	pcmd = command + strlen(CMD_SETIBSSBEACONOUIDATA) + 1;
	for (idx = 0; idx < DOT11_OUI_LEN; idx++) {
		hex[0] = *pcmd++;
		hex[1] = *pcmd++;
		ie_buf[idx] =  (uint8)simple_strtoul(hex, NULL, 16);
	}
	pcmd++;
	while ((*pcmd != '\0') && (idx < VNDR_IE_MAX_LEN)) {
		hex[0] = *pcmd++;
		hex[1] = *pcmd++;
		ie_buf[idx++] =  (uint8)simple_strtoul(hex, NULL, 16);
		datalen++;
	}
	tot_len = sizeof(vndr_ie_setbuf_t) + (datalen - 1);
	vndr_ie = (vndr_ie_setbuf_t *) kzalloc(tot_len, kflags);
	if (!vndr_ie) {
		WL_ERR(("IE memory alloc failed\n"));
		return -ENOMEM;
	}
	/* Copy the vndr_ie SET command ("add"/"del") to the buffer */
	strncpy(vndr_ie->cmd, "add", VNDR_IE_CMD_LEN - 1);
	vndr_ie->cmd[VNDR_IE_CMD_LEN - 1] = '\0';

	/* Set the IE count - the buffer contains only 1 IE */
	iecount = htod32(1);
	memcpy((void *)&vndr_ie->vndr_ie_buffer.iecount, &iecount, sizeof(s32));

	/* Set packet flag to indicate that BEACON's will contain this IE */
	pktflag = htod32(VNDR_IE_BEACON_FLAG | VNDR_IE_PRBRSP_FLAG);
	memcpy((void *)&vndr_ie->vndr_ie_buffer.vndr_ie_list[0].pktflag, &pktflag,
		sizeof(u32));
	/* Set the IE ID */
	vndr_ie->vndr_ie_buffer.vndr_ie_list[0].vndr_ie_data.id = (uchar) DOT11_MNG_PROPR_ID;

	memcpy(&vndr_ie->vndr_ie_buffer.vndr_ie_list[0].vndr_ie_data.oui, &ie_buf,
		DOT11_OUI_LEN);
	memcpy(&vndr_ie->vndr_ie_buffer.vndr_ie_list[0].vndr_ie_data.data,
		&ie_buf[DOT11_OUI_LEN], datalen);

	ielen = DOT11_OUI_LEN + datalen;
	vndr_ie->vndr_ie_buffer.vndr_ie_list[0].vndr_ie_data.len = (uchar) ielen;

	ioctl_buf = kmalloc(WLC_IOCTL_MEDLEN, GFP_KERNEL);
	if (!ioctl_buf) {
		WL_ERR(("ioctl memory alloc failed\n"));
		if (vndr_ie) {
			kfree(vndr_ie);
		}
		return -ENOMEM;
	}
	memset(ioctl_buf, 0, WLC_IOCTL_MEDLEN);	/* init the buffer */
	err = wldev_iovar_setbuf(dev, "ie", vndr_ie, tot_len, ioctl_buf, WLC_IOCTL_MEDLEN, NULL);


	if (err != BCME_OK) {
		err = -EINVAL;
		if (vndr_ie) {
			kfree(vndr_ie);
		}
	}
	else {
		/* do NOT free 'vndr_ie' for the next process */
		wl_cfg80211_ibss_vsie_set_buffer(dev, vndr_ie, tot_len);
	}

	if (ioctl_buf) {
		kfree(ioctl_buf);
	}

	return err;
}

#if defined(BCMFW_ROAM_ENABLE)
static int
wl_android_set_roampref(struct net_device *dev, char *command, int total_len)
{
	int error = 0;
	char smbuf[WLC_IOCTL_SMLEN];
	uint8 buf[MAX_BUF_SIZE];
	uint8 *pref = buf;
	char *pcmd;
	int num_ucipher_suites = 0;
	int num_akm_suites = 0;
	wpa_suite_t ucipher_suites[MAX_NUM_SUITES];
	wpa_suite_t akm_suites[MAX_NUM_SUITES];
	int num_tuples = 0;
	int total_bytes = 0;
	int total_len_left;
	int i, j;
	char hex[] = "XX";

	pcmd = command + strlen(CMD_SET_ROAMPREF) + 1;
	total_len_left = total_len - strlen(CMD_SET_ROAMPREF) + 1;

	num_akm_suites = simple_strtoul(pcmd, NULL, 16);
	/* Increment for number of AKM suites field + space */
	pcmd += 3;
	total_len_left -= 3;

	/* check to make sure pcmd does not overrun */
	if (total_len_left < (num_akm_suites * WIDTH_AKM_SUITE))
		return -1;

	memset(buf, 0, sizeof(buf));
	memset(akm_suites, 0, sizeof(akm_suites));
	memset(ucipher_suites, 0, sizeof(ucipher_suites));

	/* Save the AKM suites passed in the command */
	for (i = 0; i < num_akm_suites; i++) {
		/* Store the MSB first, as required by join_pref */
		for (j = 0; j < 4; j++) {
			hex[0] = *pcmd++;
			hex[1] = *pcmd++;
			buf[j] = (uint8)simple_strtoul(hex, NULL, 16);
		}
		memcpy((uint8 *)&akm_suites[i], buf, sizeof(uint32));
	}

	total_len_left -= (num_akm_suites * WIDTH_AKM_SUITE);
	num_ucipher_suites = simple_strtoul(pcmd, NULL, 16);
	/* Increment for number of cipher suites field + space */
	pcmd += 3;
	total_len_left -= 3;

	if (total_len_left < (num_ucipher_suites * WIDTH_AKM_SUITE))
		return -1;

	/* Save the cipher suites passed in the command */
	for (i = 0; i < num_ucipher_suites; i++) {
		/* Store the MSB first, as required by join_pref */
		for (j = 0; j < 4; j++) {
			hex[0] = *pcmd++;
			hex[1] = *pcmd++;
			buf[j] = (uint8)simple_strtoul(hex, NULL, 16);
		}
		memcpy((uint8 *)&ucipher_suites[i], buf, sizeof(uint32));
	}

	/* Join preference for RSSI
	 * Type	  : 1 byte (0x01)
	 * Length : 1 byte (0x02)
	 * Value  : 2 bytes	(reserved)
	 */
	*pref++ = WL_JOIN_PREF_RSSI;
	*pref++ = JOIN_PREF_RSSI_LEN;
	*pref++ = 0;
	*pref++ = 0;

	/* Join preference for WPA
	 * Type	  : 1 byte (0x02)
	 * Length : 1 byte (not used)
	 * Value  : (variable length)
	 *		reserved: 1 byte
	 *      count	: 1 byte (no of tuples)
	 *		Tuple1	: 12 bytes
	 *			akm[4]
	 *			ucipher[4]
	 *			mcipher[4]
	 *		Tuple2	: 12 bytes
	 *		Tuplen	: 12 bytes
	 */
	num_tuples = num_akm_suites * num_ucipher_suites;
	if (num_tuples != 0) {
		if (num_tuples <= JOIN_PREF_MAX_WPA_TUPLES) {
			*pref++ = WL_JOIN_PREF_WPA;
			*pref++ = 0;
			*pref++ = 0;
			*pref++ = (uint8)num_tuples;
			total_bytes = JOIN_PREF_RSSI_SIZE + JOIN_PREF_WPA_HDR_SIZE +
				(JOIN_PREF_WPA_TUPLE_SIZE * num_tuples);
		} else {
			DHD_ERROR(("%s: Too many wpa configs for join_pref \n", __FUNCTION__));
			return -1;
		}
	} else {
		/* No WPA config, configure only RSSI preference */
		total_bytes = JOIN_PREF_RSSI_SIZE;
	}

	/* akm-ucipher-mcipher tuples in the format required for join_pref */
	for (i = 0; i < num_ucipher_suites; i++) {
		for (j = 0; j < num_akm_suites; j++) {
			memcpy(pref, (uint8 *)&akm_suites[j], WPA_SUITE_LEN);
			pref += WPA_SUITE_LEN;
			memcpy(pref, (uint8 *)&ucipher_suites[i], WPA_SUITE_LEN);
			pref += WPA_SUITE_LEN;
			/* Set to 0 to match any available multicast cipher */
			memset(pref, 0, WPA_SUITE_LEN);
			pref += WPA_SUITE_LEN;
		}
	}

	prhex("join pref", (uint8 *)buf, total_bytes);
	error = wldev_iovar_setbuf(dev, "join_pref", buf, total_bytes, smbuf, sizeof(smbuf), NULL);
	if (error) {
		DHD_ERROR(("Failed to set join_pref, error = %d\n", error));
	}
	return error;
}
#endif /* defined(BCMFW_ROAM_ENABLE */

static int
wl_android_iolist_add(struct net_device *dev, struct list_head *head, struct io_cfg *config)
{
	struct io_cfg *resume_cfg;
	s32 ret;

	resume_cfg = kzalloc(sizeof(struct io_cfg), GFP_KERNEL);
	if (!resume_cfg)
		return -ENOMEM;

	if (config->iovar) {
		ret = wldev_iovar_getint(dev, config->iovar, &resume_cfg->param);
		if (ret) {
			DHD_ERROR(("%s: Failed to get current %s value\n",
				__FUNCTION__, config->iovar));
			goto error;
		}

		ret = wldev_iovar_setint(dev, config->iovar, config->param);
		if (ret) {
			DHD_ERROR(("%s: Failed to set %s to %d\n", __FUNCTION__,
				config->iovar, config->param));
			goto error;
		}

		resume_cfg->iovar = config->iovar;
	} else {
		resume_cfg->arg = kzalloc(config->len, GFP_KERNEL);
		if (!resume_cfg->arg) {
			ret = -ENOMEM;
			goto error;
		}
		ret = wldev_ioctl(dev, config->ioctl, resume_cfg->arg, config->len, false);
		if (ret) {
			DHD_ERROR(("%s: Failed to get ioctl %d\n", __FUNCTION__,
				config->ioctl));
			goto error;
		}
		ret = wldev_ioctl(dev, config->ioctl + 1, config->arg, config->len, true);
		if (ret) {
			DHD_ERROR(("%s: Failed to set %s to %d\n", __FUNCTION__,
				config->iovar, config->param));
			goto error;
		}
		if (config->ioctl + 1 == WLC_SET_PM)
			wl_cfg80211_update_power_mode(dev);
		resume_cfg->ioctl = config->ioctl;
		resume_cfg->len = config->len;
	}

	list_add(&resume_cfg->list, head);

	return 0;
error:
	kfree(resume_cfg->arg);
	kfree(resume_cfg);
	return ret;
}

static void
wl_android_iolist_resume(struct net_device *dev, struct list_head *head)
{
	struct io_cfg *config;
	struct list_head *cur, *q;
	s32 ret = 0;

	list_for_each_safe(cur, q, head) {
		config = list_entry(cur, struct io_cfg, list);
		if (config->iovar) {
			if (!ret)
				ret = wldev_iovar_setint(dev, config->iovar,
					config->param);
		} else {
			if (!ret)
				ret = wldev_ioctl(dev, config->ioctl + 1,
					config->arg, config->len, true);
			if (config->ioctl + 1 == WLC_SET_PM)
				wl_cfg80211_update_power_mode(dev);
			kfree(config->arg);
		}
		list_del(cur);
		kfree(config);
	}
}

static int
wl_android_set_miracast(struct net_device *dev, char *command, int total_len)
{
	int mode, val;
	int ret = 0;
	struct io_cfg config;

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

	DHD_INFO(("%s: enter miracast mode %d\n", __FUNCTION__, mode));

	if (miracast_cur_mode == mode)
		return 0;

	wl_android_iolist_resume(dev, &miracast_resume_list);
	miracast_cur_mode = MIRACAST_MODE_OFF;

	switch (mode) {
	case MIRACAST_MODE_SOURCE:
		/* setting mchan_algo to platform specific value */
		config.iovar = "mchan_algo";

		ret = wldev_ioctl(dev, WLC_GET_BCNPRD, &val, sizeof(int), false);
		if (!ret && val > 100) {
			config.param = 0;
			DHD_ERROR(("%s: Connected station's beacon interval: "
				"%d and set mchan_algo to %d \n",
				__FUNCTION__, val, config.param));
		}
		else {
			config.param = MIRACAST_MCHAN_ALGO;
		}
		ret = wl_android_iolist_add(dev, &miracast_resume_list, &config);
		if (ret)
			goto resume;

		/* setting mchan_bw to platform specific value */
		config.iovar = "mchan_bw";
		config.param = MIRACAST_MCHAN_BW;
		ret = wl_android_iolist_add(dev, &miracast_resume_list, &config);
		if (ret)
			goto resume;

		/* setting apmdu to platform specific value */
		config.iovar = "ampdu_mpdu";
		config.param = MIRACAST_AMPDU_SIZE;
		ret = wl_android_iolist_add(dev, &miracast_resume_list, &config);
		if (ret)
			goto resume;
		/* FALLTROUGH */
		/* Source mode shares most configurations with sink mode.
		 * Fall through here to avoid code duplication
		 */
	case MIRACAST_MODE_SINK:
		/* disable internal roaming */
		config.iovar = "roam_off";
		config.param = 1;
		ret = wl_android_iolist_add(dev, &miracast_resume_list, &config);
		if (ret)
			goto resume;
		/* tunr off pm */
		val = 0;
		config.iovar = NULL;
		config.ioctl = WLC_GET_PM;
		config.arg = &val;
		config.len = sizeof(int);
		ret = wl_android_iolist_add(dev, &miracast_resume_list, &config);
		if (ret)
			goto resume;

		break;
	case MIRACAST_MODE_OFF:
	default:
		break;
	}
	miracast_cur_mode = mode;

	return 0;

resume:
	DHD_ERROR(("%s: turnoff miracast mode because of err%d\n", __FUNCTION__, ret));
	wl_android_iolist_resume(dev, &miracast_resume_list);
	return ret;
}


int wl_keep_alive_set(struct net_device *dev, char* extra, int total_len)
{
	char 				buf[256];
	const char 			*str;
	wl_mkeep_alive_pkt_t	mkeep_alive_pkt;
	wl_mkeep_alive_pkt_t	*mkeep_alive_pktp;
	int					buf_len;
	int					str_len;
	int res 				= -1;
	uint period_msec = 0;

	if (extra == NULL)
	{
		 DHD_ERROR(("%s: extra is NULL\n", __FUNCTION__));
		 return -1;
	}
	if (sscanf(extra, "%d", &period_msec) != 1)
	{
		 DHD_ERROR(("%s: sscanf error. check period_msec value\n", __FUNCTION__));
		 return -EINVAL;
	}
	DHD_ERROR(("%s: period_msec is %d\n", __FUNCTION__, period_msec));

	memset(&mkeep_alive_pkt, 0, sizeof(wl_mkeep_alive_pkt_t));

	str = "mkeep_alive";
	str_len = strlen(str);
	strncpy(buf, str, str_len);
	buf[ str_len ] = '\0';
	mkeep_alive_pktp = (wl_mkeep_alive_pkt_t *) (buf + str_len + 1);
	mkeep_alive_pkt.period_msec = period_msec;
	buf_len = str_len + 1;
	mkeep_alive_pkt.version = htod16(WL_MKEEP_ALIVE_VERSION);
	mkeep_alive_pkt.length = htod16(WL_MKEEP_ALIVE_FIXED_LEN);

	/* Setup keep alive zero for null packet generation */
	mkeep_alive_pkt.keep_alive_id = 0;
	mkeep_alive_pkt.len_bytes = 0;
	buf_len += WL_MKEEP_ALIVE_FIXED_LEN;
	/* Keep-alive attributes are set in local	variable (mkeep_alive_pkt), and
	 * then memcpy'ed into buffer (mkeep_alive_pktp) since there is no
	 * guarantee that the buffer is properly aligned.
	 */
	memcpy((char *)mkeep_alive_pktp, &mkeep_alive_pkt, WL_MKEEP_ALIVE_FIXED_LEN);

	if ((res = wldev_ioctl(dev, WLC_SET_VAR, buf, buf_len, TRUE)) < 0)
	{
		DHD_ERROR(("%s:keep_alive set failed. res[%d]\n", __FUNCTION__, res));
	}
	else
	{
		DHD_ERROR(("%s:keep_alive set ok. res[%d]\n", __FUNCTION__, res));
	}

	return res;
}

int wl_android_priv_cmd(struct net_device *net, struct ifreq *ifr, int cmd)
{
#define PRIVATE_COMMAND_MAX_LEN	8192
	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 (!capable(CAP_NET_ADMIN)) {
		ret = -EPERM;
		goto exit;
	}

#ifdef CONFIG_COMPAT
	if (is_compat_task()) {
		compat_android_wifi_priv_cmd compat_priv_cmd;
		if (copy_from_user(&compat_priv_cmd, ifr->ifr_data,
			sizeof(compat_android_wifi_priv_cmd))) {
			ret = -EFAULT;
			goto exit;

		}
		priv_cmd.buf = compat_ptr(compat_priv_cmd.buf);
		priv_cmd.used_len = compat_priv_cmd.used_len;
		priv_cmd.total_len = compat_priv_cmd.total_len;
	} else
#endif /* CONFIG_COMPAT */
	{
		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) || (priv_cmd.total_len < 0)) {
		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__));
		bytes_written = wl_android_wifi_on(net);
	}
	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) {
		bytes_written = wl_android_wifi_off(net, FALSE);
	}
	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 (priv_cmd.total_len > strlen(CMD_BTCOEXMODE) &&
		 strnicmp(command, CMD_BTCOEXMODE, strlen(CMD_BTCOEXMODE)) == 0) {
		int mode = command[strlen(CMD_BTCOEXMODE)] - '0';
#ifdef WL_CFG80211
		wl_cfg80211_set_btcoex_dhcp(net, mode);
#else
#ifdef PKT_FILTER_SUPPORT
		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 */
		/* We are always successful */
		bytes_written = sprintf(command, "OK");
	}
	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';
		bytes_written = wldev_set_band(net, band);
	}
	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
	/* 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, true, true);
	}
#endif /* WL_CFG80211 */


#ifdef PNO_SUPPORT
	else if (strnicmp(command, CMD_PNOSSIDCLR_SET, strlen(CMD_PNOSSIDCLR_SET)) == 0) {
		bytes_written = dhd_dev_pno_stop_for_ssid(net);
	}
#ifndef WL_SCHED_SCAN
	else if (strnicmp(command, CMD_PNOSETUP_SET, strlen(CMD_PNOSETUP_SET)) == 0) {
		bytes_written = wl_android_set_pno_setup(net, command, priv_cmd.total_len);
	}
#endif /* !WL_SCHED_SCAN */
	else if (strnicmp(command, CMD_PNOENABLE_SET, strlen(CMD_PNOENABLE_SET)) == 0) {
		int enable = *(command + strlen(CMD_PNOENABLE_SET) + 1) - '0';
		bytes_written = (enable)? 0 : dhd_dev_pno_stop_for_ssid(net);
	}
	else if (strnicmp(command, CMD_WLS_BATCHING, strlen(CMD_WLS_BATCHING)) == 0) {
		bytes_written = wls_parse_batching_cmd(net, command, priv_cmd.total_len);
	}
#endif /* PNO_SUPPORT */
	else if (strnicmp(command, CMD_P2P_DEV_ADDR, strlen(CMD_P2P_DEV_ADDR)) == 0) {
		bytes_written = wl_android_get_p2p_dev_addr(net, command, priv_cmd.total_len);
	}
	else if (strnicmp(command, CMD_P2P_SET_NOA, strlen(CMD_P2P_SET_NOA)) == 0) {
		int skip = strlen(CMD_P2P_SET_NOA) + 1;
		bytes_written = wl_cfg80211_set_p2p_noa(net, command + skip,
			priv_cmd.total_len - skip);
	}
#if !defined WL_ENABLE_P2P_IF
	else if (strnicmp(command, CMD_P2P_GET_NOA, strlen(CMD_P2P_GET_NOA)) == 0) {
		bytes_written = wl_cfg80211_get_p2p_noa(net, command, priv_cmd.total_len);
	}
#endif /* WL_ENABLE_P2P_IF */
	else if (strnicmp(command, CMD_P2P_SET_PS, strlen(CMD_P2P_SET_PS)) == 0) {
		int skip = strlen(CMD_P2P_SET_PS) + 1;
		bytes_written = wl_cfg80211_set_p2p_ps(net, command + skip,
			priv_cmd.total_len - skip);
	}
#ifdef WL_CFG80211
	else if (strnicmp(command, CMD_SET_AP_WPS_P2P_IE,
		strlen(CMD_SET_AP_WPS_P2P_IE)) == 0) {
		int skip = strlen(CMD_SET_AP_WPS_P2P_IE) + 3;
		bytes_written = wl_cfg80211_set_wps_p2p_ie(net, command + skip,
			priv_cmd.total_len - skip, *(command + skip - 2) - '0');
	}
#endif /* WL_CFG80211 */
	else if (strnicmp(command, CMD_OKC_SET_PMK, strlen(CMD_OKC_SET_PMK)) == 0)
		bytes_written = wl_android_set_pmk(net, command, priv_cmd.total_len);
	else if (strnicmp(command, CMD_OKC_ENABLE, strlen(CMD_OKC_ENABLE)) == 0)
		bytes_written = wl_android_okc_enable(net, command, priv_cmd.total_len);
#if defined(WL_SUPPORT_AUTO_CHANNEL)
	else if (strnicmp(command, CMD_GET_BEST_CHANNELS,
		strlen(CMD_GET_BEST_CHANNELS)) == 0) {
		bytes_written = wl_cfg80211_get_best_channels(net, command,
			priv_cmd.total_len);
	}
#endif /* WL_SUPPORT_AUTO_CHANNEL */
	else if (strnicmp(command, CMD_HAPD_MAC_FILTER, strlen(CMD_HAPD_MAC_FILTER)) == 0) {
		int skip = strlen(CMD_HAPD_MAC_FILTER) + 1;
		wl_android_set_mac_address_filter(net, (const char*)command+skip);
	}
	else if (strnicmp(command, CMD_SETROAMMODE, strlen(CMD_SETROAMMODE)) == 0)
		bytes_written = wl_android_set_roam_mode(net, command, priv_cmd.total_len);
#if defined(BCMFW_ROAM_ENABLE)
	else if (strnicmp(command, CMD_SET_ROAMPREF, strlen(CMD_SET_ROAMPREF)) == 0) {
		bytes_written = wl_android_set_roampref(net, command, priv_cmd.total_len);
	}
#endif /* BCMFW_ROAM_ENABLE */
	else if (strnicmp(command, CMD_MIRACAST, strlen(CMD_MIRACAST)) == 0)
		bytes_written = wl_android_set_miracast(net, command, priv_cmd.total_len);
	else if (strnicmp(command, CMD_SETIBSSBEACONOUIDATA, strlen(CMD_SETIBSSBEACONOUIDATA)) == 0)
		bytes_written = wl_android_set_ibss_beacon_ouidata(net,
		command, priv_cmd.total_len);
	else if (strnicmp(command, CMD_KEEP_ALIVE, strlen(CMD_KEEP_ALIVE)) == 0) {
		int skip = strlen(CMD_KEEP_ALIVE) + 1;
		bytes_written = wl_keep_alive_set(net, command + skip, priv_cmd.total_len - skip);
	}
	else if (strnicmp(command, CMD_ROAM_OFFLOAD, strlen(CMD_ROAM_OFFLOAD)) == 0) {
		int enable = *(command + strlen(CMD_ROAM_OFFLOAD) + 1) - '0';
		bytes_written = wl_cfg80211_enable_roam_offload(net, enable);
	}
	else {
		DHD_ERROR(("Unknown PRIVATE command %s - ignored\n", command));
		snprintf(command, 3, "OK");
		bytes_written = strlen("OK");
	}

	if (bytes_written >= 0) {
		if ((bytes_written == 0) && (priv_cmd.total_len > 0))
			command[0] = '\0';
		if (bytes_written >= priv_cmd.total_len) {
			DHD_ERROR(("%s: bytes_written = %d\n", __FUNCTION__, bytes_written));
			bytes_written = priv_cmd.total_len;
		} else {
			bytes_written++;
		}
		priv_cmd.used_len = bytes_written;
		if (copy_to_user(priv_cmd.buf, command, bytes_written)) {
			DHD_ERROR(("%s: failed to copy data to user buffer\n", __FUNCTION__));
			ret = -EFAULT;
		}
	}
	else {
		ret = bytes_written;
	}

exit:
	net_os_wake_unlock(net);
	if (command) {
		kfree(command);
	}

	return ret;
}

int wl_android_init(void)
{
	int ret = 0;

#ifdef ENABLE_INSMOD_NO_FW_LOAD
	dhd_download_fw_on_driverload = FALSE;
#endif /* ENABLE_INSMOD_NO_FW_LOAD */
#if defined(CUSTOMER_HW2)
	if (!iface_name[0]) {
		memset(iface_name, 0, IFNAMSIZ);
		bcm_strncpy_s(iface_name, IFNAMSIZ, "wlan", IFNAMSIZ);
	}
#endif


	return ret;
}

int wl_android_exit(void)
{
	int ret = 0;
	struct io_cfg *cur, *q;


	list_for_each_entry_safe(cur, q, &miracast_resume_list, list) {
		list_del(&cur->list);
		kfree(cur);
	}

	return ret;
}

void wl_android_post_init(void)
{

#ifdef ENABLE_4335BT_WAR
	bcm_bt_unlock(lock_cookie_wifi);
	printk("%s: btlock released\n", __FUNCTION__);
#endif /* ENABLE_4335BT_WAR */

	if (!dhd_download_fw_on_driverload)
		g_wifi_on = FALSE;
}