/*
 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * File: iwctl.c
 *
 * Purpose:  wireless ext & ioctl functions
 *
 * Author: Lyndon Chen
 *
 * Date: July 5, 2006
 *
 * Functions:
 *
 * Revision History:
 *
 */

#include "device.h"
#include "ioctl.h"
#include "iocmd.h"
#include "iwctl.h"
#include "mac.h"
#include "card.h"
#include "hostap.h"
#include "power.h"
#include "rf.h"

#ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
#include "iowpa.h"
#include "wpactl.h"
#endif

#include <net/iw_handler.h>
extern unsigned short TxRate_iwconfig;//2008-5-8 <add> by chester

/*---------------------  Static Definitions -------------------------*/

//2008-0409-07, <Add> by Einsn Liu
#ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
#define SUPPORTED_WIRELESS_EXT                  18
#else
#define SUPPORTED_WIRELESS_EXT                  17
#endif

static const long frequency_list[] = {
	2412, 2417, 2422, 2427, 2432, 2437, 2442, 2447, 2452, 2457, 2462, 2467, 2472, 2484,
	4915, 4920, 4925, 4935, 4940, 4945, 4960, 4980,
	5035, 5040, 5045, 5055, 5060, 5080, 5170, 5180, 5190, 5200, 5210, 5220, 5230, 5240,
	5260, 5280, 5300, 5320, 5500, 5520, 5540, 5560, 5580, 5600, 5620, 5640, 5660, 5680,
	5700, 5745, 5765, 5785, 5805, 5825
};

/*---------------------  Static Classes  ----------------------------*/
/*---------------------  Static Variables  --------------------------*/
/*---------------------  Static Functions  --------------------------*/

/*---------------------  Export Variables  --------------------------*/

struct iw_statistics *iwctl_get_wireless_stats(struct net_device *dev)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	long ldBm;

	pDevice->wstats.status = pDevice->op_mode;
#ifdef Calcu_LinkQual
	if (pDevice->scStatistic.LinkQuality > 100)
		pDevice->scStatistic.LinkQuality = 100;
	pDevice->wstats.qual.qual = (unsigned char)pDevice->scStatistic.LinkQuality;
#else
	pDevice->wstats.qual.qual = pDevice->byCurrSQ;
#endif
	RFvRSSITodBm(pDevice, (unsigned char)(pDevice->uCurrRSSI), &ldBm);
	pDevice->wstats.qual.level = ldBm;
	pDevice->wstats.qual.noise = 0;
	pDevice->wstats.qual.updated = 1;
	pDevice->wstats.discard.nwid = 0;
	pDevice->wstats.discard.code = 0;
	pDevice->wstats.discard.fragment = 0;
	pDevice->wstats.discard.retries = (unsigned long)pDevice->scStatistic.dwTsrErr;
	pDevice->wstats.discard.misc = 0;
	pDevice->wstats.miss.beacon = 0;

	return &pDevice->wstats;
}

/*------------------------------------------------------------------*/

static int iwctl_commit(struct net_device *dev,
			struct iw_request_info *info,
			void *wrq,
			char *extra)
{
	pr_debug(" SIOCSIWCOMMIT\n");

	return 0;
}
/*
 * Wireless Handler : get protocol name
 */

int iwctl_giwname(struct net_device *dev,
		  struct iw_request_info *info,
		  char *wrq,
		  char *extra)
{
	strcpy(wrq, "802.11-a/b/g");
	return 0;
}

/*
 * Wireless Handler : set scan
 */

static int iwctl_siwscan(struct net_device *dev,
		  struct iw_request_info *info,
		  struct iw_point *wrq,
		  char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
	struct iw_scan_req  *req = (struct iw_scan_req *)extra;
	unsigned char abyScanSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
	PWLAN_IE_SSID pItemSSID = NULL;

	pr_debug(" SIOCSIWSCAN\n");

	if (pDevice->byReAssocCount > 0) {   //reject scan when re-associating!
//send scan event to wpa_Supplicant
		union iwreq_data wrqu;

		PRINT_K("wireless_send_event--->SIOCGIWSCAN(scan done)\n");
		memset(&wrqu, 0, sizeof(wrqu));
		wireless_send_event(pDevice->dev, SIOCGIWSCAN, &wrqu, NULL);
		return 0;
	}

	spin_lock_irq(&pDevice->lock);
	BSSvClearBSSList((void *)pDevice, pDevice->bLinkPass);

//mike add: active scan OR passive scan OR desire_ssid scan
	if (wrq->length == sizeof(struct iw_scan_req)) {
		if (wrq->flags & IW_SCAN_THIS_ESSID)  {                               //desire_ssid scan
			memset(abyScanSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
			pItemSSID = (PWLAN_IE_SSID)abyScanSSID;
			pItemSSID->byElementID = WLAN_EID_SSID;
			memcpy(pItemSSID->abySSID, req->essid, (int)req->essid_len);
			if (pItemSSID->abySSID[req->essid_len - 1] == '\0') {
				if (req->essid_len > 0)
					pItemSSID->len = req->essid_len - 1;
			} else
				pItemSSID->len = req->essid_len;
			pMgmt->eScanType = WMAC_SCAN_PASSIVE;
			PRINT_K("SIOCSIWSCAN:[desired_ssid=%s,len=%d]\n", ((PWLAN_IE_SSID)abyScanSSID)->abySSID,
				((PWLAN_IE_SSID)abyScanSSID)->len);
			bScheduleCommand((void *)pDevice, WLAN_CMD_BSSID_SCAN, abyScanSSID);
			spin_unlock_irq(&pDevice->lock);

			return 0;
		} else if (req->scan_type == IW_SCAN_TYPE_PASSIVE) {          //passive scan
			pMgmt->eScanType = WMAC_SCAN_PASSIVE;
		}
	} else {           //active scan
		pMgmt->eScanType = WMAC_SCAN_ACTIVE;
	}

	pMgmt->eScanType = WMAC_SCAN_PASSIVE;
	bScheduleCommand((void *)pDevice, WLAN_CMD_BSSID_SCAN, NULL);
	spin_unlock_irq(&pDevice->lock);

	return 0;
}

/*
 * Wireless Handler : get scan results
 */

static int iwctl_giwscan(struct net_device *dev,
		  struct iw_request_info *info,
		  struct iw_point *wrq,
		  char *extra)
{
	int ii, jj, kk;
	struct vnt_private *pDevice = netdev_priv(dev);
	PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
	PKnownBSS           pBSS;
	PWLAN_IE_SSID       pItemSSID;
	PWLAN_IE_SUPP_RATES pSuppRates, pExtSuppRates;
	char *current_ev = extra;
	char *end_buf = extra + IW_SCAN_MAX_DATA;
	char *current_val = NULL;
	struct iw_event iwe;
	long ldBm;
	char buf[MAX_WPA_IE_LEN * 2 + 30];

	pr_debug(" SIOCGIWSCAN\n");

	if (pMgmt->eScanState ==  WMAC_IS_SCANNING) {
		// In scanning..
		return -EAGAIN;
	}
	pBSS = &(pMgmt->sBSSList[0]);
	for (ii = 0, jj = 0; jj < MAX_BSS_NUM; jj++) {
		if (current_ev >= end_buf)
			break;
		pBSS = &(pMgmt->sBSSList[jj]);
		if (pBSS->bActive) {
			//ADD mac address
			memset(&iwe, 0, sizeof(iwe));
			iwe.cmd = SIOCGIWAP;
			iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
			memcpy(iwe.u.ap_addr.sa_data, pBSS->abyBSSID, WLAN_BSSID_LEN);
			current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
			//ADD ssid
			memset(&iwe, 0, sizeof(iwe));
			iwe.cmd = SIOCGIWESSID;
			pItemSSID = (PWLAN_IE_SSID)pBSS->abySSID;
			iwe.u.data.length = pItemSSID->len;
			iwe.u.data.flags = 1;
			current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, pItemSSID->abySSID);
			//ADD mode
			memset(&iwe, 0, sizeof(iwe));
			iwe.cmd = SIOCGIWMODE;
			if (WLAN_GET_CAP_INFO_ESS(pBSS->wCapInfo))
				iwe.u.mode = IW_MODE_INFRA;
			else
				iwe.u.mode = IW_MODE_ADHOC;

			iwe.len = IW_EV_UINT_LEN;
			current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
			//ADD frequency
			pSuppRates = (PWLAN_IE_SUPP_RATES)pBSS->abySuppRates;
			pExtSuppRates = (PWLAN_IE_SUPP_RATES)pBSS->abyExtSuppRates;
			memset(&iwe, 0, sizeof(iwe));
			iwe.cmd = SIOCGIWFREQ;
			iwe.u.freq.m = pBSS->uChannel;
			iwe.u.freq.e = 0;
			iwe.u.freq.i = 0;
			current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
			//2008-0409-04, <Add> by Einsn Liu
			{
				int f = (int)pBSS->uChannel - 1;

				if (f < 0)f = 0;
				iwe.u.freq.m = frequency_list[f] * 100000;
				iwe.u.freq.e = 1;
			}
			current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
			//ADD quality
			memset(&iwe, 0, sizeof(iwe));
			iwe.cmd = IWEVQUAL;
			RFvRSSITodBm(pDevice, (unsigned char)(pBSS->uRSSI), &ldBm);
			iwe.u.qual.level = ldBm;
			iwe.u.qual.noise = 0;
//2008-0409-01, <Add> by Einsn Liu
			if (-ldBm < 50)
				iwe.u.qual.qual = 100;
			else if (-ldBm > 90)
				iwe.u.qual.qual = 0;
			else
				iwe.u.qual.qual = (40 - (-ldBm - 50)) * 100 / 40;

			iwe.u.qual.updated = 7;

			current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);

			memset(&iwe, 0, sizeof(iwe));
			iwe.cmd = SIOCGIWENCODE;
			iwe.u.data.length = 0;
			if (WLAN_GET_CAP_INFO_PRIVACY(pBSS->wCapInfo))
				iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
			else
				iwe.u.data.flags = IW_ENCODE_DISABLED;

			current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, pItemSSID->abySSID);

			memset(&iwe, 0, sizeof(iwe));
			iwe.cmd = SIOCGIWRATE;
			iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
			current_val = current_ev + IW_EV_LCP_LEN;

			for (kk = 0; kk < 12; kk++) {
				if (pSuppRates->abyRates[kk] == 0)
					break;
				// Bit rate given in 500 kb/s units (+ 0x80)
				iwe.u.bitrate.value = ((pSuppRates->abyRates[kk] & 0x7f) * 500000);
				current_val = iwe_stream_add_value(info, current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
			}
			for (kk = 0; kk < 8; kk++) {
				if (pExtSuppRates->abyRates[kk] == 0)
					break;
				// Bit rate given in 500 kb/s units (+ 0x80)
				iwe.u.bitrate.value = ((pExtSuppRates->abyRates[kk] & 0x7f) * 500000);
				current_val = iwe_stream_add_value(info, current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
			}

			if ((current_val - current_ev) > IW_EV_LCP_LEN)
				current_ev = current_val;

			memset(&iwe, 0, sizeof(iwe));
			iwe.cmd = IWEVCUSTOM;
			sprintf(buf, "bcn_int=%d", pBSS->wBeaconInterval);
			iwe.u.data.length = strlen(buf);
			current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, buf);

			if ((pBSS->wWPALen > 0) && (pBSS->wWPALen <= MAX_WPA_IE_LEN)) {
				memset(&iwe, 0, sizeof(iwe));
				iwe.cmd = IWEVGENIE;
				iwe.u.data.length = pBSS->wWPALen;
				current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, pBSS->byWPAIE);
			}

			if ((pBSS->wRSNLen > 0) && (pBSS->wRSNLen <= MAX_WPA_IE_LEN)) {
				memset(&iwe, 0, sizeof(iwe));
				iwe.cmd = IWEVGENIE;
				iwe.u.data.length = pBSS->wRSNLen;
				current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, pBSS->byRSNIE);
			}

		}
	}// for

	wrq->length = current_ev - extra;
	return 0;
}

/*
 * Wireless Handler : set frequency or channel
 */

int iwctl_siwfreq(struct net_device *dev,
		  struct iw_request_info *info,
		  struct iw_freq *wrq,
		  char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	int rc = 0;

	pr_debug(" SIOCSIWFREQ\n");

	// If setting by frequency, convert to a channel
	if ((wrq->e == 1) &&
	    (wrq->m >= (int) 2.412e8) &&
	    (wrq->m <= (int) 2.487e8)) {
		int f = wrq->m / 100000;
		int c = 0;

		while ((c < 14) && (f != frequency_list[c]))
			c++;
		wrq->e = 0;
		wrq->m = c + 1;
	}
	// Setting by channel number
	if ((wrq->m > 14) || (wrq->e > 0))
		rc = -EOPNOTSUPP;
	else {
		int channel = wrq->m;

		if ((channel < 1) || (channel > 14)) {
			pr_debug("%s: New channel value of %d is invalid!\n",
				 dev->name, wrq->m);
			rc = -EINVAL;
		} else {
			// Yes ! We can set it !!!
			pr_debug(" Set to channel = %d\n", channel);
			pDevice->uChannel = channel;
			//2007-0207-04,<Add> by EinsnLiu
			//Make change effect at once
			pDevice->bCommit = true;
		}
	}

	return rc;
}

/*
 * Wireless Handler : get frequency or channel
 */

int iwctl_giwfreq(struct net_device *dev,
		  struct iw_request_info *info,
		  struct iw_freq *wrq,
		  char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);

	pr_debug(" SIOCGIWFREQ\n");

#ifdef WEXT_USECHANNELS
	wrq->m = (int)pMgmt->uCurrChannel;
	wrq->e = 0;
#else
	{
		int f = (int)pMgmt->uCurrChannel - 1;

		if (f < 0)
			f = 0;
		wrq->m = frequency_list[f] * 100000;
		wrq->e = 1;
	}
#endif

	return 0;
}

/*
 * Wireless Handler : set operation mode
 */

int iwctl_siwmode(struct net_device *dev,
		  struct iw_request_info *info,
		  __u32 *wmode,
		  char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
	int rc = 0;

	pr_debug(" SIOCSIWMODE\n");

	if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP && pDevice->bEnableHostapd) {
		pr_debug("Can't set operation mode, hostapd is running\n");
		return rc;
	}

	switch (*wmode) {
	case IW_MODE_ADHOC:
		if (pMgmt->eConfigMode != WMAC_CONFIG_IBSS_STA) {
			pMgmt->eConfigMode = WMAC_CONFIG_IBSS_STA;
			if (pDevice->flags & DEVICE_FLAGS_OPENED)
				pDevice->bCommit = true;

		}
		pr_debug("set mode to ad-hoc\n");
		break;
	case IW_MODE_AUTO:
	case IW_MODE_INFRA:
		if (pMgmt->eConfigMode != WMAC_CONFIG_ESS_STA) {
			pMgmt->eConfigMode = WMAC_CONFIG_ESS_STA;
			if (pDevice->flags & DEVICE_FLAGS_OPENED)
				pDevice->bCommit = true;

		}
		pr_debug("set mode to infrastructure\n");
		break;
	case IW_MODE_MASTER:

		pMgmt->eConfigMode = WMAC_CONFIG_ESS_STA;
		rc = -EOPNOTSUPP;
		break;

		if (pMgmt->eConfigMode != WMAC_CONFIG_AP) {
			pMgmt->eConfigMode = WMAC_CONFIG_AP;
			if (pDevice->flags & DEVICE_FLAGS_OPENED)
				pDevice->bCommit = true;

		}
		pr_debug("set mode to Access Point\n");
		break;

	case IW_MODE_REPEAT:
		pMgmt->eConfigMode = WMAC_CONFIG_ESS_STA;
		rc = -EOPNOTSUPP;
		break;
	default:
		rc = -EINVAL;
	}

	return rc;
}

/*
 * Wireless Handler : get operation mode
 */

int iwctl_giwmode(struct net_device *dev,
		  struct iw_request_info *info,
		  __u32 *wmode,
		  char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);

	pr_debug(" SIOCGIWMODE\n");
	// If not managed, assume it's ad-hoc
	switch (pMgmt->eConfigMode) {
	case WMAC_CONFIG_ESS_STA:
		*wmode = IW_MODE_INFRA;
		break;
	case WMAC_CONFIG_IBSS_STA:
		*wmode = IW_MODE_ADHOC;
		break;
	case WMAC_CONFIG_AUTO:
		*wmode = IW_MODE_INFRA;
		break;
	case WMAC_CONFIG_AP:
		*wmode = IW_MODE_MASTER;
		break;
	default:
		*wmode = IW_MODE_ADHOC;
	}

	return 0;
}

/*
 * Wireless Handler : get capability range
 */

int iwctl_giwrange(struct net_device *dev,
		   struct iw_request_info *info,
		   struct iw_point *wrq,
		   char *extra)
{
	struct iw_range *range = (struct iw_range *)extra;
	int i, k;
	unsigned char abySupportedRates[13] = {0x02, 0x04, 0x0B, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x90};

	pr_debug(" SIOCGIWRANGE\n");
	if (wrq->pointer) {
		wrq->length = sizeof(struct iw_range);
		memset(range, 0, sizeof(struct iw_range));
		range->min_nwid = 0x0000;
		range->max_nwid = 0x0000;
		range->num_channels = 14;
		// Should be based on cap_rid.country to give only
		//  what the current card support
		k = 0;
		for (i = 0; i < 14; i++) {
			range->freq[k].i = i + 1; // List index
			range->freq[k].m = frequency_list[i] * 100000;
			range->freq[k++].e = 1;	// Values in table in MHz -> * 10^5 * 10
		}
		range->num_frequency = k;
		// Hum... Should put the right values there
#ifdef Calcu_LinkQual
		range->max_qual.qual = 100;
#else
		range->max_qual.qual = 255;
#endif
		range->max_qual.level = 0;
		range->max_qual.noise = 0;
		range->sensitivity = 255;

		for (i = 0; i < 13; i++) {
			range->bitrate[i] = abySupportedRates[i] * 500000;
			if (range->bitrate[i] == 0)
				break;
		}
		range->num_bitrates = i;

		// Set an indication of the max TCP throughput
		// in bit/s that we can expect using this interface.
		//  May be use for QoS stuff... Jean II
		if (i > 2)
			range->throughput = 5 * 1000 * 1000;
		else
			range->throughput = 1.5 * 1000 * 1000;

		range->min_rts = 0;
		range->max_rts = 2312;
		range->min_frag = 256;
		range->max_frag = 2312;

		// the encoding capabilities
		range->num_encoding_sizes = 3;
		// 64(40) bits WEP
		range->encoding_size[0] = 5;
		// 128(104) bits WEP
		range->encoding_size[1] = 13;
		// 256 bits for WPA-PSK
		range->encoding_size[2] = 32;
		// 4 keys are allowed
		range->max_encoding_tokens = 4;

		range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
			IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;

		range->min_pmp = 0;
		range->max_pmp = 1000000;// 1 secs
		range->min_pmt = 0;
		range->max_pmt = 1000000;// 1 secs
		range->pmp_flags = IW_POWER_PERIOD;
		range->pmt_flags = IW_POWER_TIMEOUT;
		range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;

		// Transmit Power - values are in mW

		range->txpower[0] = 100;
		range->num_txpower = 1;
		range->txpower_capa = IW_TXPOW_MWATT;
		range->we_version_source = SUPPORTED_WIRELESS_EXT;
		range->we_version_compiled = WIRELESS_EXT;
		range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME;
		range->retry_flags = IW_RETRY_LIMIT;
		range->r_time_flags = IW_RETRY_LIFETIME;
		range->min_retry = 1;
		range->max_retry = 65535;
		range->min_r_time = 1024;
		range->max_r_time = 65535 * 1024;
		// Experimental measurements - boundary 11/5.5 Mb/s
		// Note : with or without the (local->rssi), results
		//  are somewhat different. - Jean II
		range->avg_qual.qual = 6;
		range->avg_qual.level = 176;	// -80 dBm
		range->avg_qual.noise = 0;
	}

	return 0;
}

/*
 * Wireless Handler : set ap mac address
 */

int iwctl_siwap(struct net_device *dev,
		struct iw_request_info *info,
		struct sockaddr *wrq,
		char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
	int rc = 0;
	unsigned char ZeroBSSID[WLAN_BSSID_LEN] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

	pr_debug(" SIOCSIWAP\n");
	if (pMgmt->eScanState ==  WMAC_IS_SCANNING) {
		// In scanning..
		pr_debug("SIOCSIWAP(??)-->In scanning..\n");
	}
	if (wrq->sa_family != ARPHRD_ETHER)
		rc = -EINVAL;
	else {
		memcpy(pMgmt->abyDesireBSSID, wrq->sa_data, 6);
		//2008-0409-05, <Add> by Einsn Liu
		if ((pDevice->bLinkPass == true) &&
		    (memcmp(pMgmt->abyDesireBSSID, pMgmt->abyCurrBSSID, 6) == 0)) {
			return rc;
		}
		//mike :add
		if ((is_broadcast_ether_addr(pMgmt->abyDesireBSSID)) ||
		    (memcmp(pMgmt->abyDesireBSSID, ZeroBSSID, 6) == 0)) {
			PRINT_K("SIOCSIWAP:invalid desired BSSID return!\n");
			return rc;
		}
		//mike add: if desired AP is hidden ssid(there are two same BSSID in list),
		//                  then ignore,because you don't known which one to be connect with??
		{
			unsigned int ii, uSameBssidNum = 0;

			for (ii = 0; ii < MAX_BSS_NUM; ii++) {
				if (pMgmt->sBSSList[ii].bActive &&
				    ether_addr_equal(pMgmt->sBSSList[ii].abyBSSID,
						     pMgmt->abyDesireBSSID)) {
					uSameBssidNum++;
				}
			}
			if (uSameBssidNum >= 2) {  //hit: desired AP is in hidden ssid mode!!!
				PRINT_K("SIOCSIWAP:ignore for desired AP in hidden mode\n");
				return rc;
			}
		}

		if (pDevice->flags & DEVICE_FLAGS_OPENED)
			pDevice->bCommit = true;

	}
	return rc;
}

/*
 * Wireless Handler : get ap mac address
 */

int iwctl_giwap(struct net_device *dev,
		struct iw_request_info *info,
		struct sockaddr *wrq,
		char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);

	pr_debug(" SIOCGIWAP\n");

	memcpy(wrq->sa_data, pMgmt->abyCurrBSSID, 6);
	//2008-0410,<Modify> by Einsn Liu
	if ((pDevice->bLinkPass == false) && (pMgmt->eCurrMode != WMAC_MODE_ESS_AP))
		memset(wrq->sa_data, 0, 6);

	if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP)
		memcpy(wrq->sa_data, pMgmt->abyCurrBSSID, 6);

	wrq->sa_family = ARPHRD_ETHER;

	return 0;
}

/*
 * Wireless Handler : get ap list
 */

int iwctl_giwaplist(struct net_device *dev,
		    struct iw_request_info *info,
		    struct iw_point *wrq,
		    char *extra)
{
	int ii, jj, rc = 0;
	struct sockaddr *sock	= NULL;
	struct sockaddr *s	= NULL;
	struct iw_quality *qual	= NULL;
	struct iw_quality *q	= NULL;
	PKnownBSS pBSS		= NULL;

	struct vnt_private *pDevice = netdev_priv(dev);
	PSMgmtObject pMgmt = &(pDevice->sMgmtObj);

	pr_debug(" SIOCGIWAPLIST\n");

	if (!capable(CAP_NET_ADMIN)) {
		rc = -EPERM;
		goto exit;
	}

	if (!wrq->pointer)
		goto exit;

	sock = kmalloc_array(IW_MAX_AP, sizeof(struct sockaddr), GFP_KERNEL);
	if (!sock) {
		rc = -ENOMEM;
		goto exit;
	}

	qual = kmalloc_array(IW_MAX_AP, sizeof(struct iw_quality), GFP_KERNEL);
	if (!qual) {
		rc = -ENOMEM;
		goto exit;
	}

	for (ii = 0, jj = 0; ii < MAX_BSS_NUM; ii++) {
		pBSS = &(pMgmt->sBSSList[ii]);

		if (!pBSS->bActive)
			continue;
		if (jj >= IW_MAX_AP)
			break;

		s = &sock[jj];
		q = &qual[jj];

		memcpy(s->sa_data, pBSS->abyBSSID, 6);
		s->sa_family	= ARPHRD_ETHER;
		q->level	= pBSS->uRSSI;
		q->qual		= 0;
		q->noise	= 0;
		q->updated	= 2;
		jj++;
	}

	wrq->flags = 1; /* Should be define'd */
	wrq->length = jj;
	memcpy(extra, sock, sizeof(struct sockaddr) * jj);
	memcpy(extra + sizeof(struct sockaddr) * jj,
		qual,
		sizeof(struct iw_quality) * jj);
exit:
	kfree(sock);
	kfree(qual);
	return rc;
}

/*
 * Wireless Handler : set essid
 */

int iwctl_siwessid(struct net_device *dev,
		   struct iw_request_info *info,
		   struct iw_point *wrq,
		   char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
	PWLAN_IE_SSID       pItemSSID;
	//2008-0409-05, <Add> by Einsn Liu
	unsigned char len;

	pr_debug(" SIOCSIWESSID\n");
	pDevice->fWPA_Authened = false;
	if (pMgmt->eScanState ==  WMAC_IS_SCANNING) {
		// In scanning..
		pr_debug("SIOCSIWESSID(??)-->In scanning..\n");
	}
	// Check if we asked for `any'
	if (wrq->flags == 0) {
		// Just send an empty SSID list
		memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
		memset(pMgmt->abyDesireBSSID, 0xFF, 6);
		PRINT_K("set essid to 'any'\n");
#ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
		return 0;
#endif
	} else {
		// Set the SSID
		memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
		pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
		pItemSSID->byElementID = WLAN_EID_SSID;

		memcpy(pItemSSID->abySSID, extra, wrq->length);
		if (pItemSSID->abySSID[wrq->length - 1] == '\0') {
			if (wrq->length > 0)
				pItemSSID->len = wrq->length - 1;
		} else
			pItemSSID->len = wrq->length;
		pr_debug("set essid to %s\n", pItemSSID->abySSID);
		//2008-0409-05, <Add> by Einsn Liu
		len = (pItemSSID->len > ((PWLAN_IE_SSID)pMgmt->abyCurrSSID)->len) ? pItemSSID->len : ((PWLAN_IE_SSID)pMgmt->abyCurrSSID)->len;
		if ((pDevice->bLinkPass == true) &&
		    (memcmp(pItemSSID->abySSID, ((PWLAN_IE_SSID)pMgmt->abyCurrSSID)->abySSID, len) == 0))
			return 0;

		//mike:need clear desiredBSSID
		if (pItemSSID->len == 0) {
			memset(pMgmt->abyDesireBSSID, 0xFF, 6);
			return 0;
		}

#ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
		//Wext wil order another command of siwap to link with desired AP,
		//so here need not associate??
		if (pDevice->bWPASuppWextEnabled == true)  {
			/*******search if  in hidden ssid mode ****/
			{
				PKnownBSS       pCurr = NULL;
				unsigned char abyTmpDesireSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
				unsigned int ii, uSameBssidNum = 0;

				memcpy(abyTmpDesireSSID, pMgmt->abyDesireSSID, sizeof(abyTmpDesireSSID));
				pCurr = BSSpSearchBSSList(pDevice,
							  NULL,
							  abyTmpDesireSSID,
							  pMgmt->eConfigPHYMode
);

				if (pCurr == NULL) {
					PRINT_K("SIOCSIWESSID:hidden ssid site survey before associate.......\n");
					vResetCommandTimer((void *)pDevice);
					pMgmt->eScanType = WMAC_SCAN_ACTIVE;
					bScheduleCommand((void *)pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
					bScheduleCommand((void *)pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID);
				} else {  //mike:to find out if that desired SSID is a hidden-ssid AP ,
					//         by means of judging if there are two same BSSID exist in list ?
					for (ii = 0; ii < MAX_BSS_NUM; ii++) {
						if (pMgmt->sBSSList[ii].bActive &&
						    ether_addr_equal(pMgmt->sBSSList[ii].abyBSSID,
								     pCurr->abyBSSID)) {
							uSameBssidNum++;
						}
					}
					if (uSameBssidNum >= 2) {  //hit: desired AP is in hidden ssid mode!!!
						pr_debug("SIOCSIWESSID:hidden ssid directly associate.......\n");
						vResetCommandTimer((void *)pDevice);
						pMgmt->eScanType = WMAC_SCAN_PASSIVE;          //this scan type,you'll submit scan result!
						bScheduleCommand((void *)pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
						bScheduleCommand((void *)pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID);
					}
				}
			}
			return 0;
		}
#endif

		pr_debug("set essid = %s\n", pItemSSID->abySSID);
	}

	if (pDevice->flags & DEVICE_FLAGS_OPENED)
		pDevice->bCommit = true;

	return 0;
}

/*
 * Wireless Handler : get essid
 */

int iwctl_giwessid(struct net_device *dev,
		   struct iw_request_info *info,
		   struct iw_point *wrq,
		   char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
	PWLAN_IE_SSID       pItemSSID;

	pr_debug(" SIOCGIWESSID\n");

	// Note : if wrq->u.data.flags != 0, we should
	// get the relevant SSID from the SSID list...

	// Get the current SSID
	pItemSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
	memcpy(extra, pItemSSID->abySSID , pItemSSID->len);
	extra[pItemSSID->len] = '\0';
	wrq->length = pItemSSID->len + 1;
	//2008-0409-03, <Add> by Einsn Liu
	wrq->length = pItemSSID->len;
	wrq->flags = 1; // active

	return 0;
}

/*
 * Wireless Handler : set data rate
 */

int iwctl_siwrate(struct net_device *dev,
		  struct iw_request_info *info,
		  struct iw_param *wrq,
		  char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	int rc = 0;
	u8	brate = 0;
	int	i;
	unsigned char abySupportedRates[13] = {0x02, 0x04, 0x0B, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x90};

	pr_debug(" SIOCSIWRATE\n");
	if (!(pDevice->flags & DEVICE_FLAGS_OPENED)) {
		rc = -EINVAL;
		return rc;
	}

	// First : get a valid bit rate value

	// Which type of value
	if ((wrq->value < 13) &&
	    (wrq->value >= 0)) {
		// Setting by rate index
		// Find value in the magic rate table
		brate = wrq->value;
	} else {
		// Setting by frequency value
		u8	normvalue = (u8) (wrq->value/500000);

		// Check if rate is valid
		for (i = 0; i < 13; i++) {
			if (normvalue == abySupportedRates[i]) {
				brate = i;
				break;
			}
		}
	}
	// -1 designed the max rate (mostly auto mode)
	if (wrq->value == -1) {
		// Get the highest available rate
		for (i = 0; i < 13; i++) {
			if (abySupportedRates[i] == 0)
				break;
		}
		if (i != 0)
			brate = i - 1;

	}
	// Check that it is valid
	// brate is index of abySupportedRates[]
	if (brate > 13) {
		rc = -EINVAL;
		return rc;
	}

	// Now, check if we want a fixed or auto value
	if (wrq->fixed != 0) {
		// Fixed mode
		// One rate, fixed
		pr_debug("Rate Fix\n");
		pDevice->bFixRate = true;
		if ((pDevice->byBBType == BB_TYPE_11B) && (brate > 3)) {
			pDevice->uConnectionRate = 3;
		} else {
			pDevice->uConnectionRate = brate;
			pr_debug("Fixed to Rate %d\n",
				 pDevice->uConnectionRate);
		}

	} else {
		pDevice->bFixRate = false;
		pDevice->uConnectionRate = 13;
		pr_debug("auto rate:connection_rate is 13\n");
	}

	return rc;
}

/*
 * Wireless Handler : get data rate
 */

int iwctl_giwrate(struct net_device *dev,
		  struct iw_request_info *info,
		  struct iw_param *wrq,
		  char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
//2007-0118-05,<Mark> by EinsnLiu
//Mark the unnecessary sentences.
//    PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);

	pr_debug(" SIOCGIWRATE\n");
	{
		unsigned char abySupportedRates[13] = {0x02, 0x04, 0x0B, 0x16, 0x0c, 0x12, 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x90};
		int brate = 0;
//2008-5-8 <modify> by chester
		if (pDevice->bLinkPass) {
			if (pDevice->bFixRate == true) {
				if (pDevice->uConnectionRate < 13) {
					brate = abySupportedRates[pDevice->uConnectionRate];
				} else {
					if (pDevice->byBBType == BB_TYPE_11B)
						brate = 0x16;
					if (pDevice->byBBType == BB_TYPE_11G)
						brate = 0x6C;
					if (pDevice->byBBType == BB_TYPE_11A)
						brate = 0x6C;
				}
			} else {
				brate = abySupportedRates[TxRate_iwconfig];
			}
		} else brate = 0;

		wrq->value = brate * 500000;
		// If more than one rate, set auto
		if (pDevice->bFixRate == true)
			wrq->fixed = true;
	}

	return 0;
}

/*
 * Wireless Handler : set rts threshold
 */

int iwctl_siwrts(struct net_device *dev,
		 struct iw_request_info *info,
		 struct iw_param *wrq,
		 char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	int rc = 0;

	pr_debug(" SIOCSIWRTS\n");

	{
		int rthr = wrq->value;

		if (wrq->disabled)
			rthr = 2312;

		if ((rthr < 0) || (rthr > 2312))
			rc = -EINVAL;
		else
			pDevice->wRTSThreshold = rthr;
	}

	return 0;
}

/*
 * Wireless Handler : get rts
 */

int iwctl_giwrts(struct net_device *dev,
		 struct iw_request_info *info,
		 struct iw_param *wrq,
		 char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);

	pr_debug(" SIOCGIWRTS\n");
	wrq->value = pDevice->wRTSThreshold;
	wrq->disabled = (wrq->value >= 2312);
	wrq->fixed = 1;

	return 0;
}

/*
 * Wireless Handler : set fragment threshold
 */

int iwctl_siwfrag(struct net_device *dev,
		  struct iw_request_info *info,
		  struct iw_param *wrq,
		  char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	int rc = 0;
	int fthr = wrq->value;

	pr_debug(" SIOCSIWFRAG\n");

	if (wrq->disabled)
		fthr = 2312;
	if ((fthr < 256) || (fthr > 2312)) {
		rc = -EINVAL;
	} else {
		fthr &= ~0x1;	// Get an even value
		pDevice->wFragmentationThreshold = (u16)fthr;
	}

	return rc;
}

/*
 * Wireless Handler : get fragment threshold
 */

int iwctl_giwfrag(struct net_device *dev,
		  struct iw_request_info *info,
		  struct iw_param *wrq,
		  char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);

	pr_debug(" SIOCGIWFRAG\n");
	wrq->value = pDevice->wFragmentationThreshold;
	wrq->disabled = (wrq->value >= 2312);
	wrq->fixed = 1;

	return 0;
}

/*
 * Wireless Handler : set retry threshold
 */
int iwctl_siwretry(struct net_device *dev,
		   struct iw_request_info *info,
		   struct iw_param *wrq,
		   char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	int rc = 0;

	pr_debug(" SIOCSIWRETRY\n");

	if (wrq->disabled) {
		rc = -EINVAL;
		return rc;
	}

	if (wrq->flags & IW_RETRY_LIMIT) {
		if (wrq->flags & IW_RETRY_MAX)
			pDevice->byLongRetryLimit = wrq->value;
		else if (wrq->flags & IW_RETRY_MIN)
			pDevice->byShortRetryLimit = wrq->value;
		else {
			// No modifier : set both
			pDevice->byShortRetryLimit = wrq->value;
			pDevice->byLongRetryLimit = wrq->value;
		}
	}
	if (wrq->flags & IW_RETRY_LIFETIME)
		pDevice->wMaxTransmitMSDULifetime = wrq->value;

	return rc;
}

/*
 * Wireless Handler : get retry threshold
 */
int iwctl_giwretry(struct net_device *dev,
		   struct iw_request_info *info,
		   struct iw_param *wrq,
		   char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);

	pr_debug(" SIOCGIWRETRY\n");
	wrq->disabled = 0;      // Can't be disabled

	// Note : by default, display the min retry number
	if ((wrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
		wrq->flags = IW_RETRY_LIFETIME;
		wrq->value = (int)pDevice->wMaxTransmitMSDULifetime; //ms
	} else if ((wrq->flags & IW_RETRY_MAX)) {
		wrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
		wrq->value = (int)pDevice->byLongRetryLimit;
	} else {
		wrq->flags = IW_RETRY_LIMIT;
		wrq->value = (int)pDevice->byShortRetryLimit;
		if ((int)pDevice->byShortRetryLimit != (int)pDevice->byLongRetryLimit)
			wrq->flags |= IW_RETRY_MIN;
	}

	return 0;
}

/*
 * Wireless Handler : set encode mode
 */
int iwctl_siwencode(struct net_device *dev,
		    struct iw_request_info *info,
		    struct iw_point *wrq,
		    char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
	unsigned long dwKeyIndex = (unsigned long)(wrq->flags & IW_ENCODE_INDEX);
	int ii, uu, rc = 0;
	int index = (wrq->flags & IW_ENCODE_INDEX);

//2007-0207-07,<Modify> by EinsnLiu
//There are some problems when using iwconfig encode/key command to set the WEP key.
//I almost rewrite this function.
//now it support:(assume the wireless interface's name is eth0)
//iwconfig eth0 key [1] 1122334455 open  /*set key stirng to index 1,and driver using key index is set to 1*/
//iwconfig eth0 key [3]    /*set driver using  key index to 3,the key string no change */
//iwconfig eth0 key 1122334455  /*set key string to driver using index*/
//iwconfig eth0 key restricted  /*enable share key*/

	PSKeyTable pkeytab;

	pr_debug(" SIOCSIWENCODE\n");

	if ((wrq->flags & IW_ENCODE_DISABLED) == 0) {
		//Not disable encryption

		if (dwKeyIndex > WLAN_WEP_NKEYS) {
			rc = -EINVAL;
			return rc;
		}

		if (dwKeyIndex < 1 && ((wrq->flags & IW_ENCODE_NOKEY) == 0)) {//set default key
			if (pDevice->byKeyIndex < WLAN_WEP_NKEYS)
				dwKeyIndex = pDevice->byKeyIndex;
			else
				dwKeyIndex = 0;
		} else {
			dwKeyIndex--;
		}

		// Check the size of the key
		if (wrq->length > WLAN_WEP232_KEYLEN) {
			rc = -EINVAL;
			return rc;
		}

		if (wrq->length > 0) {//have key

			if (wrq->length ==  WLAN_WEP232_KEYLEN) {
				pr_debug("Set 232 bit wep key\n");
			} else if (wrq->length ==  WLAN_WEP104_KEYLEN) {
				pr_debug("Set 104 bit wep key\n");
			} else if (wrq->length == WLAN_WEP40_KEYLEN) {
				pr_debug("Set 40 bit wep key, index= %d\n",
					 (int)dwKeyIndex);
			} else {//no support length
				rc = -EINVAL;
				return rc;
			}
			memset(pDevice->abyKey, 0, WLAN_WEP232_KEYLEN);
			memcpy(pDevice->abyKey, extra, wrq->length);

			pr_debug("abyKey: ");
			for (ii = 0; ii < wrq->length; ii++)
				pr_debug("%02x ", pDevice->abyKey[ii]);

			if (pDevice->flags & DEVICE_FLAGS_OPENED) {
				spin_lock_irq(&pDevice->lock);
				KeybSetDefaultKey(&(pDevice->sKey),
						  (unsigned long)(dwKeyIndex | (1 << 31)),
						  wrq->length,
						  NULL,
						  pDevice->abyKey,
						  KEY_CTL_WEP,
						  pDevice->PortOffset,
						  pDevice->byLocalID
);
				spin_unlock_irq(&pDevice->lock);
			}
			pDevice->byKeyIndex = (unsigned char)dwKeyIndex;
			pDevice->uKeyLength = wrq->length;
			pDevice->bTransmitKey = true;
			pDevice->bEncryptionEnable = true;
			pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;

		} else if (index > 0) {
			//when the length is 0 the request only changes the default transmit key index
			//check the new key if it has a non zero length
			if (pDevice->bEncryptionEnable == false) {
				rc = -EINVAL;
				return rc;
			}
			pr_debug("Just set Default key Index:\n");
			pkeytab = &(pDevice->sKey.KeyTable[MAX_KEY_TABLE - 1]);
			if (pkeytab->GroupKey[(unsigned char)dwKeyIndex].uKeyLength == 0) {
				pr_debug("Default key len is 0\n");
				rc = -EINVAL;
				return rc;
			}
			pDevice->byKeyIndex = (unsigned char)dwKeyIndex;
			pkeytab->dwGTKeyIndex = dwKeyIndex | (1 << 31);
			pkeytab->GroupKey[(unsigned char)dwKeyIndex].dwKeyIndex = dwKeyIndex | (1 << 31);
		}

	} else {//disable the key
		pr_debug("Disable WEP function\n");
		if (pDevice->bEncryptionEnable == false)
			return 0;
		pMgmt->bShareKeyAlgorithm = false;
		pDevice->bEncryptionEnable = false;
		pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
		if (pDevice->flags & DEVICE_FLAGS_OPENED) {
			spin_lock_irq(&pDevice->lock);
			for (uu = 0; uu < MAX_KEY_TABLE; uu++)
				MACvDisableKeyEntry(pDevice->PortOffset, uu);
			spin_unlock_irq(&pDevice->lock);
		}
	}
//End Modify,Einsn

	if (wrq->flags & IW_ENCODE_RESTRICTED) {
		pr_debug("Enable WEP & ShareKey System\n");
		pMgmt->bShareKeyAlgorithm = true;
	}
	if (wrq->flags & IW_ENCODE_OPEN) {
		pr_debug("Enable WEP & Open System\n");
		pMgmt->bShareKeyAlgorithm = false;
	}
	return rc;
}

int iwctl_giwencode(struct net_device *dev,
		    struct iw_request_info *info,
		    struct iw_point *wrq,
		    char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	PSMgmtObject		pMgmt = &(pDevice->sMgmtObj);
	char abyKey[WLAN_WEP232_KEYLEN];

	unsigned int index = (unsigned int)(wrq->flags & IW_ENCODE_INDEX);
	PSKeyItem	pKey = NULL;

	pr_debug(" SIOCGIWENCODE\n");

	if (index > WLAN_WEP_NKEYS)
		return	-EINVAL;

	if (index < 1) {//get default key
		if (pDevice->byKeyIndex < WLAN_WEP_NKEYS)
			index = pDevice->byKeyIndex;
		else
			index = 0;
	} else {
		index--;
	}

	memset(abyKey, 0, WLAN_WEP232_KEYLEN);
	// Check encryption mode
	wrq->flags = IW_ENCODE_NOKEY;
	// Is WEP enabled ???
	if (pDevice->bEncryptionEnable)
		wrq->flags |=  IW_ENCODE_ENABLED;
	else
		wrq->flags |=  IW_ENCODE_DISABLED;

	if (pMgmt->bShareKeyAlgorithm)
		wrq->flags |=  IW_ENCODE_RESTRICTED;
	else
		wrq->flags |=  IW_ENCODE_OPEN;
	wrq->length = 0;

	if ((index == 0) && (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled ||
			     pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled)) {//get wpa pairwise  key
		if (KeybGetKey(&(pDevice->sKey), pMgmt->abyCurrBSSID, 0xffffffff, &pKey)) {
			wrq->length = pKey->uKeyLength;
			memcpy(abyKey, pKey->abyKey,	pKey->uKeyLength);
			memcpy(extra,  abyKey, WLAN_WEP232_KEYLEN);
		}
	} else if (KeybGetKey(&(pDevice->sKey), pDevice->abyBroadcastAddr, (unsigned char)index , &pKey)) {
		wrq->length = pKey->uKeyLength;
		memcpy(abyKey, pKey->abyKey,  pKey->uKeyLength);
		memcpy(extra,  abyKey, WLAN_WEP232_KEYLEN);
	}

	wrq->flags |= index+1;

	return 0;
}

/*
 * Wireless Handler : set power mode
 */
int iwctl_siwpower(struct net_device *dev,
		   struct iw_request_info *info,
		   struct iw_param *wrq,
		   char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
	int rc = 0;

	pr_debug(" SIOCSIWPOWER\n");

	if (!(pDevice->flags & DEVICE_FLAGS_OPENED)) {
		rc = -EINVAL;
		return rc;
	}

	if (wrq->disabled) {
		pDevice->ePSMode = WMAC_POWER_CAM;
		PSvDisablePowerSaving(pDevice);
		return rc;
	}
	if ((wrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
		pDevice->ePSMode = WMAC_POWER_FAST;
		PSvEnablePowerSaving((void *)pDevice, pMgmt->wListenInterval);

	} else if ((wrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
		pDevice->ePSMode = WMAC_POWER_FAST;
		PSvEnablePowerSaving((void *)pDevice, pMgmt->wListenInterval);
	}
	switch (wrq->flags & IW_POWER_MODE) {
	case IW_POWER_UNICAST_R:
		pr_debug(" SIOCSIWPOWER: IW_POWER_UNICAST_R\n");
		rc = -EINVAL;
		break;
	case IW_POWER_ALL_R:
		pr_debug(" SIOCSIWPOWER: IW_POWER_ALL_R\n");
		rc = -EINVAL;
	case IW_POWER_ON:
		pr_debug(" SIOCSIWPOWER: IW_POWER_ON\n");
		break;
	default:
		rc = -EINVAL;
	}

	return rc;
}

/*
 * Wireless Handler : get power mode
 */
int iwctl_giwpower(struct net_device *dev,
		   struct iw_request_info *info,
		   struct iw_param *wrq,
		   char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
	int mode = pDevice->ePSMode;

	pr_debug(" SIOCGIWPOWER\n");

	wrq->disabled = (mode == WMAC_POWER_CAM);
	if (wrq->disabled)
		return 0;

	if ((wrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
		wrq->value = (int)((pMgmt->wListenInterval * pMgmt->wCurrBeaconPeriod) << 10);
		wrq->flags = IW_POWER_TIMEOUT;
	} else {
		wrq->value = (int)((pMgmt->wListenInterval * pMgmt->wCurrBeaconPeriod) << 10);
		wrq->flags = IW_POWER_PERIOD;
	}
	wrq->flags |= IW_POWER_ALL_R;

	return 0;
}

/*
 * Wireless Handler : get Sensitivity
 */
int iwctl_giwsens(struct net_device *dev,
		  struct iw_request_info *info,
		  struct iw_param *wrq,
		  char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	long ldBm;

	pr_debug(" SIOCGIWSENS\n");
	if (pDevice->bLinkPass == true) {
		RFvRSSITodBm(pDevice, (unsigned char)(pDevice->uCurrRSSI), &ldBm);
		wrq->value = ldBm;
	} else {
		wrq->value = 0;
	}
	wrq->disabled = (wrq->value == 0);
	wrq->fixed = 1;

	return 0;
}

//2008-0409-07, <Add> by Einsn Liu
#ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT

int iwctl_siwauth(struct net_device *dev,
		  struct iw_request_info *info,
		  struct iw_param *wrq,
		  char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	PSMgmtObject	pMgmt = &(pDevice->sMgmtObj);
	int ret = 0;
	static int wpa_version = 0;  //must be static to save the last value,einsn liu
	static int pairwise = 0;

	pr_debug(" SIOCSIWAUTH\n");
	switch (wrq->flags & IW_AUTH_INDEX) {
	case IW_AUTH_WPA_VERSION:
		wpa_version = wrq->value;
		if (wrq->value == IW_AUTH_WPA_VERSION_DISABLED)
			PRINT_K("iwctl_siwauth:set WPADEV to disable at 1??????\n");
		else if (wrq->value == IW_AUTH_WPA_VERSION_WPA)
			PRINT_K("iwctl_siwauth:set WPADEV to WPA1******\n");
		else
			PRINT_K("iwctl_siwauth:set WPADEV to WPA2******\n");

		break;
	case IW_AUTH_CIPHER_PAIRWISE:
		pairwise = wrq->value;
		if (pairwise == IW_AUTH_CIPHER_CCMP)
			pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
		else if (pairwise == IW_AUTH_CIPHER_TKIP)
			pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
		else if (pairwise == IW_AUTH_CIPHER_WEP40 || pairwise == IW_AUTH_CIPHER_WEP104)
			pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
		else if (pairwise == IW_AUTH_CIPHER_NONE)
			; /* do nothing,einsn liu */
		else
			pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;

		break;
	case IW_AUTH_CIPHER_GROUP:
		if (wpa_version == IW_AUTH_WPA_VERSION_DISABLED)
			break;
		if (pairwise == IW_AUTH_CIPHER_NONE) {
			if (wrq->value == IW_AUTH_CIPHER_CCMP)
				pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
			else
				pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
		}
		break;
	case IW_AUTH_KEY_MGMT:

		if (wpa_version == IW_AUTH_WPA_VERSION_WPA2) {
			if (wrq->value == IW_AUTH_KEY_MGMT_PSK)
				pMgmt->eAuthenMode = WMAC_AUTH_WPA2PSK;
			else
				pMgmt->eAuthenMode = WMAC_AUTH_WPA2;
		} else if (wpa_version == IW_AUTH_WPA_VERSION_WPA) {
			if (wrq->value == 0)
				pMgmt->eAuthenMode = WMAC_AUTH_WPANONE;
			else if (wrq->value == IW_AUTH_KEY_MGMT_PSK)
				pMgmt->eAuthenMode = WMAC_AUTH_WPAPSK;
			else
				pMgmt->eAuthenMode = WMAC_AUTH_WPA;
		}

		break;
	case IW_AUTH_TKIP_COUNTERMEASURES:
		break;		/* FIXME */
	case IW_AUTH_DROP_UNENCRYPTED:
		break;
	case IW_AUTH_80211_AUTH_ALG:
		if (wrq->value == IW_AUTH_ALG_OPEN_SYSTEM)
			pMgmt->bShareKeyAlgorithm = false;
		else if (wrq->value == IW_AUTH_ALG_SHARED_KEY)
			pMgmt->bShareKeyAlgorithm = true;

		break;
	case IW_AUTH_WPA_ENABLED:
		break;
	case IW_AUTH_RX_UNENCRYPTED_EAPOL:
		break;
	case IW_AUTH_ROAMING_CONTROL:
		ret = -EOPNOTSUPP;
		break;
	case IW_AUTH_PRIVACY_INVOKED:
		pDevice->bEncryptionEnable = !!wrq->value;
		if (pDevice->bEncryptionEnable == false) {
			wpa_version = 0;
			pairwise = 0;
			pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
			pMgmt->bShareKeyAlgorithm = false;
			pMgmt->eAuthenMode = false;
		}

		break;
	default:
		ret = -EOPNOTSUPP;
		break;
	}

	return ret;
}

int iwctl_giwauth(struct net_device *dev,
		  struct iw_request_info *info,
		  struct iw_param *wrq,
		  char *extra)
{
	return -EOPNOTSUPP;
}

int iwctl_siwgenie(struct net_device *dev,
		   struct iw_request_info *info,
		   struct iw_point *wrq,
		   char __user *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	PSMgmtObject	pMgmt = &(pDevice->sMgmtObj);
	int ret = 0;
	char length;

	if (wrq->length) {
		if (wrq->length < 2)
			return -EINVAL;

		ret = get_user(length, extra + 1);
		if (ret)
			return ret;

		if (length + 2 != wrq->length)
			return -EINVAL;

		if (wrq->length > MAX_WPA_IE_LEN) {
			ret = -ENOMEM;
			goto out;
		}
		memset(pMgmt->abyWPAIE, 0, MAX_WPA_IE_LEN);
		if (copy_from_user(pMgmt->abyWPAIE, extra, wrq->length)) {
			ret = -EFAULT;
			goto out;
		}
		pMgmt->wWPAIELen = wrq->length;
	} else {
		memset(pMgmt->abyWPAIE, 0, MAX_WPA_IE_LEN);
		pMgmt->wWPAIELen = 0;
	}

out://not completely ...not necessary in wpa_supplicant 0.5.8
	return ret;
}

int iwctl_giwgenie(struct net_device *dev,
		   struct iw_request_info *info,
		   struct iw_point *wrq,
		   char __user *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	PSMgmtObject	pMgmt = &(pDevice->sMgmtObj);
	int ret = 0;
	int space = wrq->length;

	wrq->length = 0;
	if (pMgmt->wWPAIELen > 0) {
		wrq->length = pMgmt->wWPAIELen;
		if (pMgmt->wWPAIELen <= space) {
			if (copy_to_user(extra, pMgmt->abyWPAIE, pMgmt->wWPAIELen))
				ret = -EFAULT;

		} else {
			ret = -E2BIG;
		}
	}

	return ret;
}

int iwctl_siwencodeext(struct net_device *dev,
		       struct iw_request_info *info,
		       struct iw_point *wrq,
		       char *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
	struct viawget_wpa_param *param = NULL;
//original member
	enum wpa_alg alg_name;
	u8  addr[6];
	int key_idx, set_tx = 0;
	u8  seq[IW_ENCODE_SEQ_MAX_SIZE];
	u8 key[64];
	size_t seq_len = 0, key_len = 0;

	u8 key_array[64];
	int ret = 0;

	PRINT_K("SIOCSIWENCODEEXT......\n");

	param = kzalloc(sizeof(*param), GFP_KERNEL);
	if (param == NULL)
		return -ENOMEM;

//recover alg_name
	switch (ext->alg) {
	case IW_ENCODE_ALG_NONE:
		alg_name = WPA_ALG_NONE;
		break;
	case IW_ENCODE_ALG_WEP:
		alg_name = WPA_ALG_WEP;
		break;
	case IW_ENCODE_ALG_TKIP:
		alg_name = WPA_ALG_TKIP;
		break;
	case IW_ENCODE_ALG_CCMP:
		alg_name = WPA_ALG_CCMP;
		break;
	default:
		PRINT_K("Unknown alg = %d\n", ext->alg);
		ret = -ENOMEM;
		goto error;
	}
//recover addr
	memcpy(addr, ext->addr.sa_data, ETH_ALEN);
//recover key_idx
	key_idx = (wrq->flags&IW_ENCODE_INDEX) - 1;
//recover set_tx
	if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
		set_tx = 1;
//recover seq,seq_len
	if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
		seq_len = IW_ENCODE_SEQ_MAX_SIZE;
		memcpy(seq, ext->rx_seq, seq_len);
	}
//recover key,key_len
	if (ext->key_len) {
		key_len = ext->key_len;
		memcpy(key, &ext->key[0], key_len);
	}

	memset(key_array, 0, 64);
	if (key_len > 0) {
		memcpy(key_array, key, key_len);
		if (key_len == 32) {
			// notice ! the oder
			memcpy(&key_array[16], &key[24], 8);
			memcpy(&key_array[24], &key[16], 8);
		}
	}

/**************Translate iw_encode_ext to viawget_wpa_param****************/
	memcpy(param->addr, addr, ETH_ALEN);
	param->u.wpa_key.alg_name = (int)alg_name;
	param->u.wpa_key.set_tx = set_tx;
	param->u.wpa_key.key_index = key_idx;
	param->u.wpa_key.key_len = key_len;
	param->u.wpa_key.key = (u8 *)key_array;
	param->u.wpa_key.seq = (u8 *)seq;
	param->u.wpa_key.seq_len = seq_len;

//****set if current action is Network Manager count??
//****this method is so foolish,but there is no other way???
	if (param->u.wpa_key.alg_name == WPA_ALG_NONE) {
		if (param->u.wpa_key.key_index == 0)
			pDevice->bwextcount++;

		if ((pDevice->bwextcount == 1) && (param->u.wpa_key.key_index == 1))
			pDevice->bwextcount++;

		if ((pDevice->bwextcount == 2) && (param->u.wpa_key.key_index == 2))
			pDevice->bwextcount++;

		if ((pDevice->bwextcount == 3) && (param->u.wpa_key.key_index == 3))
			pDevice->bwextcount++;

	}
	if (pDevice->bwextcount == 4) {
		pr_debug("SIOCSIWENCODEEXT:Enable WPA WEXT SUPPORT!!!!!\n");
		pDevice->bwextcount = 0;
		pDevice->bWPASuppWextEnabled = true;
	}
//******

	spin_lock_irq(&pDevice->lock);
	ret = wpa_set_keys(pDevice, param, true);
	spin_unlock_irq(&pDevice->lock);

error:
	kfree(param);
	return ret;
}

int iwctl_giwencodeext(struct net_device *dev,
		       struct iw_request_info *info,
		       struct iw_point *wrq,
		       char *extra)
{
	return -EOPNOTSUPP;
}

int iwctl_siwmlme(struct net_device *dev,
		  struct iw_request_info *info,
		  struct iw_point *wrq,
		  char __user *extra)
{
	struct vnt_private *pDevice = netdev_priv(dev);
	PSMgmtObject	pMgmt = &(pDevice->sMgmtObj);
	struct iw_mlme mime;

	int ret = 0;

	ret = copy_from_user(&mime, extra, sizeof(mime));
	if (ret)
		return -EFAULT;

	if (memcmp(pMgmt->abyCurrBSSID, mime.addr.sa_data, ETH_ALEN)) {
		ret = -EINVAL;
		return ret;
	}
	switch (mime.cmd) {
	case IW_MLME_DEAUTH:
		//this command seems to be not complete,please test it --einsnliu
		//bScheduleCommand((void *) pDevice, WLAN_CMD_DEAUTH, (unsigned char *)&reason);
		break;
	case IW_MLME_DISASSOC:
		if (pDevice->bLinkPass == true) {
			pr_debug("iwctl_siwmlme--->send DISASSOCIATE\n");
			//clear related flags
			memset(pMgmt->abyDesireBSSID, 0xFF, 6);
			KeyvInitTable(&pDevice->sKey, pDevice->PortOffset);
			bScheduleCommand((void *)pDevice, WLAN_CMD_DISASSOCIATE, NULL);
		}
		break;
	default:
		ret = -EOPNOTSUPP;
	}

	return ret;
}

#endif

/*------------------------------------------------------------------*/
/*
 * Structures to export the Wireless Handlers
 */

static const iw_handler		iwctl_handler[] =
{
	(iw_handler) iwctl_commit,      // SIOCSIWCOMMIT
	(iw_handler) NULL,		// SIOCGIWNAME
	(iw_handler) NULL,		// SIOCSIWNWID
	(iw_handler) NULL,		// SIOCGIWNWID
	(iw_handler) NULL,		// SIOCSIWFREQ
	(iw_handler) NULL,		// SIOCGIWFREQ
	(iw_handler) NULL,		// SIOCSIWMODE
	(iw_handler) NULL,		// SIOCGIWMODE
	(iw_handler) NULL,		// SIOCSIWSENS
	(iw_handler) NULL,		// SIOCGIWSENS
	(iw_handler) NULL,		// SIOCSIWRANGE
	(iw_handler) iwctl_giwrange,	// SIOCGIWRANGE
	(iw_handler) NULL,		// SIOCSIWPRIV
	(iw_handler) NULL,		// SIOCGIWPRIV
	(iw_handler) NULL,		// SIOCSIWSTATS
	(iw_handler) NULL,		// SIOCGIWSTATS
	(iw_handler) NULL,		// SIOCSIWSPY
	(iw_handler) NULL,		// SIOCGIWSPY
	(iw_handler) NULL,		// -- hole --
	(iw_handler) NULL,		// -- hole --
	(iw_handler) NULL,		// SIOCSIWAP
	(iw_handler) NULL,		// SIOCGIWAP
	(iw_handler) NULL,		// -- hole -- 0x16
	(iw_handler) NULL,		// SIOCGIWAPLIST
	(iw_handler) iwctl_siwscan,	// SIOCSIWSCAN
	(iw_handler) iwctl_giwscan,	// SIOCGIWSCAN
	(iw_handler) NULL,		// SIOCSIWESSID
	(iw_handler) NULL,		// SIOCGIWESSID
	(iw_handler) NULL,		// SIOCSIWNICKN
	(iw_handler) NULL,		// SIOCGIWNICKN
	(iw_handler) NULL,		// -- hole --
	(iw_handler) NULL,		// -- hole --
	(iw_handler) NULL,		// SIOCSIWRATE 0x20
	(iw_handler) NULL,		// SIOCGIWRATE
	(iw_handler) NULL,		// SIOCSIWRTS
	(iw_handler) NULL,		// SIOCGIWRTS
	(iw_handler) NULL,		// SIOCSIWFRAG
	(iw_handler) NULL,		// SIOCGIWFRAG
	(iw_handler) NULL,		// SIOCSIWTXPOW
	(iw_handler) NULL,		// SIOCGIWTXPOW
	(iw_handler) NULL,		// SIOCSIWRETRY
	(iw_handler) NULL,		// SIOCGIWRETRY
	(iw_handler) NULL,		// SIOCSIWENCODE
	(iw_handler) NULL,		// SIOCGIWENCODE
	(iw_handler) NULL,		// SIOCSIWPOWER
	(iw_handler) NULL,		// SIOCGIWPOWER

//2008-0409-07, <Add> by Einsn Liu
	(iw_handler) NULL,		// -- hole --
	(iw_handler) NULL,		// -- hole --
	(iw_handler) NULL,		// SIOCSIWGENIE
	(iw_handler) NULL,		// SIOCGIWGENIE
	(iw_handler) NULL,		// SIOCSIWAUTH
	(iw_handler) NULL,		// SIOCGIWAUTH
	(iw_handler) NULL,		// SIOCSIWENCODEEXT
	(iw_handler) NULL,		// SIOCGIWENCODEEXT
	(iw_handler) NULL,		// SIOCSIWPMKSA
	(iw_handler) NULL,		// -- hole --
};

static const iw_handler		iwctl_private_handler[] =
{
	NULL,				// SIOCIWFIRSTPRIV
};

struct iw_priv_args iwctl_private_args[] = {
	{ IOCTL_CMD_SET,
	  IW_PRIV_TYPE_CHAR | 1024, 0,
	  "set"},
};

const struct iw_handler_def	iwctl_handler_def =
{
	.get_wireless_stats = &iwctl_get_wireless_stats,
	.num_standard	= sizeof(iwctl_handler)/sizeof(iw_handler),
	.num_private	= 0,
	.num_private_args = 0,
	.standard	= (iw_handler *)iwctl_handler,
	.private	= NULL,
	.private_args	= NULL,
};