// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
 *
 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
 *
 ******************************************************************************/
#define _IOCTL_LINUX_C_

#include <linux/etherdevice.h>
#include <drv_types.h>
#include <rtw_debug.h>
#include <rtw_mp.h>
#include <hal_btcoex.h>
#include <linux/jiffies.h>
#include <linux/kernel.h>

#define RTL_IOCTL_WPA_SUPPLICANT        (SIOCIWFIRSTPRIV+30)

#define SCAN_ITEM_SIZE 768
#define MAX_CUSTOM_LEN 64
#define RATE_COUNT 4

/*  combo scan */
#define WEXT_CSCAN_HEADER               "CSCAN S\x01\x00\x00S\x00"
#define WEXT_CSCAN_HEADER_SIZE          12
#define WEXT_CSCAN_SSID_SECTION         'S'
#define WEXT_CSCAN_CHANNEL_SECTION      'C'
#define WEXT_CSCAN_ACTV_DWELL_SECTION   'A'
#define WEXT_CSCAN_PASV_DWELL_SECTION   'P'
#define WEXT_CSCAN_HOME_DWELL_SECTION   'H'
#define WEXT_CSCAN_TYPE_SECTION         'T'

static u32 rtw_rates[] = {1000000, 2000000, 5500000, 11000000,
        6000000, 9000000, 12000000, 18000000, 24000000, 36000000, 48000000, 54000000};

void indicate_wx_scan_complete_event(struct adapter *padapter)
{
        union iwreq_data wrqu;

        memset(&wrqu, 0, sizeof(union iwreq_data));
}


void rtw_indicate_wx_assoc_event(struct adapter *padapter)
{
        union iwreq_data wrqu;
        struct  mlme_priv *pmlmepriv = &padapter->mlmepriv;
        struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
        struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
        struct wlan_bssid_ex            *pnetwork = (struct wlan_bssid_ex *)(&(pmlmeinfo->network));

        memset(&wrqu, 0, sizeof(union iwreq_data));

        wrqu.ap_addr.sa_family = ARPHRD_ETHER;

        if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)
                memcpy(wrqu.ap_addr.sa_data, pnetwork->MacAddress, ETH_ALEN);
        else
                memcpy(wrqu.ap_addr.sa_data, pmlmepriv->cur_network.network.MacAddress, ETH_ALEN);

        netdev_dbg(padapter->pnetdev, "assoc success\n");
}

void rtw_indicate_wx_disassoc_event(struct adapter *padapter)
{
        union iwreq_data wrqu;

        memset(&wrqu, 0, sizeof(union iwreq_data));

        wrqu.ap_addr.sa_family = ARPHRD_ETHER;
        eth_zero_addr(wrqu.ap_addr.sa_data);
}

static char *translate_scan(struct adapter *padapter,
                                struct iw_request_info *info, struct wlan_network *pnetwork,
                                char *start, char *stop)
{
        struct iw_event iwe;
        u16 cap;
        u32 ht_ielen = 0;
        char *custom = NULL;
        char *p;
        u16 max_rate = 0, rate, ht_cap = false, vht_cap = false;
        u32 i = 0;
        u8 bw_40MHz = 0, short_GI = 0;
        u16 mcs_rate = 0, vht_data_rate = 0;
        u8 ie_offset = (pnetwork->network.Reserved[0] == 2 ? 0 : 12);
        struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
        u8 ss, sq;

        /*  AP MAC address  */
        iwe.cmd = SIOCGIWAP;
        iwe.u.ap_addr.sa_family = ARPHRD_ETHER;

        memcpy(iwe.u.ap_addr.sa_data, pnetwork->network.MacAddress, ETH_ALEN);
        start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_ADDR_LEN);

        /* Add the ESSID */
        iwe.cmd = SIOCGIWESSID;
        iwe.u.data.flags = 1;
        iwe.u.data.length = min((u16)pnetwork->network.Ssid.SsidLength, (u16)32);
        start = iwe_stream_add_point(info, start, stop, &iwe, pnetwork->network.Ssid.Ssid);

        /* parsing HT_CAP_IE */
        if (pnetwork->network.Reserved[0] == 2) { /*  Probe Request */
                p = rtw_get_ie(&pnetwork->network.IEs[0], WLAN_EID_HT_CAPABILITY, &ht_ielen, pnetwork->network.IELength);
        } else {
                p = rtw_get_ie(&pnetwork->network.IEs[12], WLAN_EID_HT_CAPABILITY, &ht_ielen, pnetwork->network.IELength-12);
        }
        if (p && ht_ielen > 0) {
                struct ieee80211_ht_cap *pht_capie;
                ht_cap = true;
                pht_capie = (struct ieee80211_ht_cap *)(p+2);
                memcpy(&mcs_rate, pht_capie->mcs.rx_mask, 2);
                bw_40MHz = (le16_to_cpu(pht_capie->cap_info) & IEEE80211_HT_CAP_SUP_WIDTH) ? 1 : 0;
                short_GI = (le16_to_cpu(pht_capie->cap_info) & (IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40)) ? 1 : 0;
        }

        /* Add the protocol name */
        iwe.cmd = SIOCGIWNAME;
        if (rtw_is_cckratesonly_included((u8 *)&pnetwork->network.SupportedRates)) {
                if (ht_cap)
                        snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11bn");
                else
                snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11b");
        } else if (rtw_is_cckrates_included((u8 *)&pnetwork->network.SupportedRates)) {
                if (ht_cap)
                        snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11bgn");
                else
                        snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11bg");
        } else {
                if (pnetwork->network.Configuration.DSConfig > 14) {
                        if (vht_cap)
                                snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11AC");
                        else if (ht_cap)
                                snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11an");
                        else
                                snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11a");
                } else {
                        if (ht_cap)
                                snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11gn");
                        else
                                snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11g");
                }
        }

        start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_CHAR_LEN);

          /* Add mode */
        if (pnetwork->network.Reserved[0] == 2) { /*  Probe Request */
                cap = 0;
        } else {
                __le16 le_tmp;

                iwe.cmd = SIOCGIWMODE;
                memcpy((u8 *)&le_tmp, rtw_get_capability_from_ie(pnetwork->network.IEs), 2);
                cap = le16_to_cpu(le_tmp);
        }

        if (cap & (WLAN_CAPABILITY_IBSS | WLAN_CAPABILITY_ESS)) {
                if (cap & WLAN_CAPABILITY_ESS)
                        iwe.u.mode = IW_MODE_MASTER;
                else
                        iwe.u.mode = IW_MODE_ADHOC;

                start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_UINT_LEN);
        }

        if (pnetwork->network.Configuration.DSConfig < 1 /*|| pnetwork->network.Configuration.DSConfig > 14*/)
                pnetwork->network.Configuration.DSConfig = 1;

         /* Add frequency/channel */
        iwe.cmd = SIOCGIWFREQ;
        iwe.u.freq.m = rtw_ch2freq(pnetwork->network.Configuration.DSConfig) * 100000;
        iwe.u.freq.e = 1;
        iwe.u.freq.i = pnetwork->network.Configuration.DSConfig;
        start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_FREQ_LEN);

        /* Add encryption capability */
        iwe.cmd = SIOCGIWENCODE;
        if (cap & WLAN_CAPABILITY_PRIVACY)
                iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
        else
                iwe.u.data.flags = IW_ENCODE_DISABLED;
        iwe.u.data.length = 0;
        start = iwe_stream_add_point(info, start, stop, &iwe, pnetwork->network.Ssid.Ssid);

        /*Add basic and extended rates */
        max_rate = 0;
        custom = kzalloc(MAX_CUSTOM_LEN, GFP_ATOMIC);
        if (!custom)
                return start;
        p = custom;
        p += scnprintf(p, MAX_CUSTOM_LEN - (p - custom), " Rates (Mb/s): ");
        while (pnetwork->network.SupportedRates[i] != 0) {
                rate = pnetwork->network.SupportedRates[i]&0x7F;
                if (rate > max_rate)
                        max_rate = rate;
                p += scnprintf(p, MAX_CUSTOM_LEN - (p - custom),
                              "%d%s ", rate >> 1, (rate & 1) ? ".5" : "");
                i++;
        }

        if (vht_cap) {
                max_rate = vht_data_rate;
        } else if (ht_cap) {
                if (mcs_rate & 0x8000) /* MCS15 */
                        max_rate = (bw_40MHz) ? ((short_GI)?300:270):((short_GI)?144:130);
                else /* default MCS7 */
                        max_rate = (bw_40MHz) ? ((short_GI)?150:135):((short_GI)?72:65);

                max_rate = max_rate*2;/* Mbps/2; */
        }

        iwe.cmd = SIOCGIWRATE;
        iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
        iwe.u.bitrate.value = max_rate * 500000;
        start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_PARAM_LEN);

        /* parsing WPA/WPA2 IE */
        if (pnetwork->network.Reserved[0] != 2) { /*  Probe Request */
                u8 *buf;
                u8 wpa_ie[255], rsn_ie[255];
                u16 wpa_len = 0, rsn_len = 0;
                u8 *p;
                rtw_get_sec_ie(pnetwork->network.IEs, pnetwork->network.IELength, rsn_ie, &rsn_len, wpa_ie, &wpa_len);

                buf = kzalloc(MAX_WPA_IE_LEN*2, GFP_ATOMIC);
                if (!buf)
                        return start;
                if (wpa_len > 0) {
                        p = buf;
                        p += scnprintf(p, (MAX_WPA_IE_LEN * 2) - (p - buf), "wpa_ie =");
                        for (i = 0; i < wpa_len; i++)
                                p += scnprintf(p, (MAX_WPA_IE_LEN * 2) - (p - buf),
                                                "%02x", wpa_ie[i]);

                        if (wpa_len > 100) {
                                printk("-----------------Len %d----------------\n", wpa_len);
                                for (i = 0; i < wpa_len; i++)
                                        printk("%02x ", wpa_ie[i]);
                                printk("\n");
                                printk("-----------------Len %d----------------\n", wpa_len);
                        }

                        memset(&iwe, 0, sizeof(iwe));
                        iwe.cmd = IWEVCUSTOM;
                        iwe.u.data.length = strlen(buf);
                        start = iwe_stream_add_point(info, start, stop, &iwe, buf);

                        memset(&iwe, 0, sizeof(iwe));
                        iwe.cmd = IWEVGENIE;
                        iwe.u.data.length = wpa_len;
                        start = iwe_stream_add_point(info, start, stop, &iwe, wpa_ie);
                }
                if (rsn_len > 0) {
                        p = buf;
                        memset(buf, 0, MAX_WPA_IE_LEN*2);
                        p += scnprintf(p, (MAX_WPA_IE_LEN * 2) - (p - buf), "rsn_ie =");
                        for (i = 0; i < rsn_len; i++)
                                p += scnprintf(p, (MAX_WPA_IE_LEN * 2) - (p - buf),
                                                "%02x", rsn_ie[i]);
                        memset(&iwe, 0, sizeof(iwe));
                        iwe.cmd = IWEVCUSTOM;
                        iwe.u.data.length = strlen(buf);
                        start = iwe_stream_add_point(info, start, stop, &iwe, buf);

                        memset(&iwe, 0, sizeof(iwe));
                        iwe.cmd = IWEVGENIE;
                        iwe.u.data.length = rsn_len;
                        start = iwe_stream_add_point(info, start, stop, &iwe, rsn_ie);
                }
                kfree(buf);
        }

        { /* parsing WPS IE */
                uint cnt = 0, total_ielen;
                u8 *wpsie_ptr = NULL;
                uint wps_ielen = 0;

                u8 *ie_ptr;
                total_ielen = pnetwork->network.IELength - ie_offset;

                if (pnetwork->network.Reserved[0] == 2) { /*  Probe Request */
                        ie_ptr = pnetwork->network.IEs;
                        total_ielen = pnetwork->network.IELength;
                } else {    /*  Beacon or Probe Respones */
                        ie_ptr = pnetwork->network.IEs + _FIXED_IE_LENGTH_;
                        total_ielen = pnetwork->network.IELength - _FIXED_IE_LENGTH_;
                }

                while (cnt < total_ielen) {
                        if (rtw_is_wps_ie(&ie_ptr[cnt], &wps_ielen) && (wps_ielen > 2)) {
                                wpsie_ptr = &ie_ptr[cnt];
                                iwe.cmd = IWEVGENIE;
                                iwe.u.data.length = (u16)wps_ielen;
                                start = iwe_stream_add_point(info, start, stop, &iwe, wpsie_ptr);
                        }
                        cnt += ie_ptr[cnt + 1] + 2; /* goto next */
                }
        }

        /* Add quality statistics */
        iwe.cmd = IWEVQUAL;
        iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED
                | IW_QUAL_NOISE_INVALID;

        if (check_fwstate(pmlmepriv, _FW_LINKED) == true &&
                is_same_network(&pmlmepriv->cur_network.network, &pnetwork->network, 0)) {
                ss = padapter->recvpriv.signal_strength;
                sq = padapter->recvpriv.signal_qual;
        } else {
                ss = pnetwork->network.PhyInfo.SignalStrength;
                sq = pnetwork->network.PhyInfo.SignalQuality;
        }


        iwe.u.qual.level = (u8)ss;/*  */

        iwe.u.qual.qual = (u8)sq;   /*  signal quality */

        iwe.u.qual.noise = 0; /*  noise level */

        start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_QUAL_LEN);

        {
                u8 *buf;
                u8 *pos;

                buf = kzalloc(MAX_WPA_IE_LEN, GFP_ATOMIC);
                if (!buf)
                        goto exit;

                pos = pnetwork->network.Reserved;
                memset(&iwe, 0, sizeof(iwe));
                iwe.cmd = IWEVCUSTOM;
                iwe.u.data.length = scnprintf(buf, MAX_WPA_IE_LEN, "fm =%02X%02X", pos[1], pos[0]);
                start = iwe_stream_add_point(info, start, stop, &iwe, buf);
                kfree(buf);
        }
exit:
        kfree(custom);

        return start;
}

static int wpa_set_auth_algs(struct net_device *dev, u32 value)
{
        struct adapter *padapter = rtw_netdev_priv(dev);
        int ret = 0;

        if ((value & WLAN_AUTH_SHARED_KEY) && (value & WLAN_AUTH_OPEN)) {
                padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
                padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeAutoSwitch;
                padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_Auto;
        } else if (value & WLAN_AUTH_SHARED_KEY)        {
                padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;

                padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeShared;
                padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_Shared;
        } else if (value & WLAN_AUTH_OPEN) {
                /* padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled; */
                if (padapter->securitypriv.ndisauthtype < Ndis802_11AuthModeWPAPSK) {
                        padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
                        padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
                }
        } else {
                ret = -EINVAL;
        }

        return ret;

}

static int wpa_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
{
        int ret = 0;
        u32 wep_key_idx, wep_key_len, wep_total_len;
        struct ndis_802_11_wep   *pwep = NULL;
        struct adapter *padapter = rtw_netdev_priv(dev);
        struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
        struct security_priv *psecuritypriv = &padapter->securitypriv;

        param->u.crypt.err = 0;
        param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';

        if (param_len < (u32)((u8 *)param->u.crypt.key - (u8 *)param) + param->u.crypt.key_len) {
                ret =  -EINVAL;
                goto exit;
        }

        if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
            param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
            param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
                if (param->u.crypt.idx >= WEP_KEYS ||
                    param->u.crypt.idx >= BIP_MAX_KEYID) {
                        ret = -EINVAL;
                        goto exit;
                }
        } else {
                {
                        ret = -EINVAL;
                        goto exit;
                }
        }

        if (strcmp(param->u.crypt.alg, "WEP") == 0) {

                padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
                padapter->securitypriv.dot11PrivacyAlgrthm = _WEP40_;
                padapter->securitypriv.dot118021XGrpPrivacy = _WEP40_;

                wep_key_idx = param->u.crypt.idx;
                wep_key_len = param->u.crypt.key_len;

                if (wep_key_idx > WEP_KEYS)
                        return -EINVAL;

                if (wep_key_len > 0) {
                        wep_key_len = wep_key_len <= 5 ? 5 : 13;
                        wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, KeyMaterial);
                        pwep = kzalloc(wep_total_len, GFP_KERNEL);
                        if (!pwep) {
                                ret = -ENOMEM;
                                goto exit;
                        }

                        pwep->KeyLength = wep_key_len;
                        pwep->Length = wep_total_len;

                        if (wep_key_len == 13) {
                                padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
                                padapter->securitypriv.dot118021XGrpPrivacy = _WEP104_;
                        }
                } else {
                        ret = -EINVAL;
                        goto exit;
                }

                pwep->KeyIndex = wep_key_idx;
                pwep->KeyIndex |= 0x80000000;

                memcpy(pwep->KeyMaterial,  param->u.crypt.key, pwep->KeyLength);

                if (param->u.crypt.set_tx) {
                        if (rtw_set_802_11_add_wep(padapter, pwep) == (u8)_FAIL)
                                ret = -EOPNOTSUPP;
                } else {
                        /* don't update "psecuritypriv->dot11PrivacyAlgrthm" and */
                        /* psecuritypriv->dot11PrivacyKeyIndex =keyid", but can rtw_set_key to fw/cam */

                        if (wep_key_idx >= WEP_KEYS) {
                                ret = -EOPNOTSUPP;
                                goto exit;
                        }

                        memcpy(&(psecuritypriv->dot11DefKey[wep_key_idx].skey[0]), pwep->KeyMaterial, pwep->KeyLength);
                        psecuritypriv->dot11DefKeylen[wep_key_idx] = pwep->KeyLength;
                        rtw_set_key(padapter, psecuritypriv, wep_key_idx, 0, true);
                }

                goto exit;
        }

        if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) { /*  802_1x */
                struct sta_info *psta, *pbcmc_sta;
                struct sta_priv *pstapriv = &padapter->stapriv;

                if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_MP_STATE) == true) { /* sta mode */
                        psta = rtw_get_stainfo(pstapriv, get_bssid(pmlmepriv));
                        if (psta == NULL) {
                                /* DEBUG_ERR(("Set wpa_set_encryption: Obtain Sta_info fail\n")); */
                        } else {
                                /* Jeff: don't disable ieee8021x_blocked while clearing key */
                                if (strcmp(param->u.crypt.alg, "none") != 0)
                                        psta->ieee8021x_blocked = false;

                                if ((padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
                                                (padapter->securitypriv.ndisencryptstatus ==  Ndis802_11Encryption3Enabled)) {
                                        psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
                                }

                                if (param->u.crypt.set_tx == 1) { /* pairwise key */
                                        memcpy(psta->dot118021x_UncstKey.skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));

                                        if (strcmp(param->u.crypt.alg, "TKIP") == 0) { /* set mic key */
                                                /* DEBUG_ERR(("\nset key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len)); */
                                                memcpy(psta->dot11tkiptxmickey.skey, &(param->u.crypt.key[16]), 8);
                                                memcpy(psta->dot11tkiprxmickey.skey, &(param->u.crypt.key[24]), 8);

                                                padapter->securitypriv.busetkipkey = false;
                                                /* _set_timer(&padapter->securitypriv.tkip_timer, 50); */
                                        }

                                        rtw_setstakey_cmd(padapter, psta, true, true);
                                } else { /* group key */
                                        if (strcmp(param->u.crypt.alg, "TKIP") == 0 || strcmp(param->u.crypt.alg, "CCMP") == 0) {
                                                memcpy(padapter->securitypriv.dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
                                                /* only TKIP group key need to install this */
                                                if (param->u.crypt.key_len > 16) {
                                                        memcpy(padapter->securitypriv.dot118021XGrptxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[16]), 8);
                                                        memcpy(padapter->securitypriv.dot118021XGrprxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[24]), 8);
                                                }
                                                padapter->securitypriv.binstallGrpkey = true;

                                                padapter->securitypriv.dot118021XGrpKeyid = param->u.crypt.idx;

                                                rtw_set_key(padapter, &padapter->securitypriv, param->u.crypt.idx, 1, true);
                                        } else if (strcmp(param->u.crypt.alg, "BIP") == 0) {
                                                /* printk("BIP key_len =%d , index =%d @@@@@@@@@@@@@@@@@@\n", param->u.crypt.key_len, param->u.crypt.idx); */
                                                /* save the IGTK key, length 16 bytes */
                                                memcpy(padapter->securitypriv.dot11wBIPKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
                                                /*printk("IGTK key below:\n");
                                                for (no = 0;no<16;no++)
                                                        printk(" %02x ", padapter->securitypriv.dot11wBIPKey[param->u.crypt.idx].skey[no]);
                                                printk("\n");*/
                                                padapter->securitypriv.dot11wBIPKeyid = param->u.crypt.idx;
                                                padapter->securitypriv.binstallBIPkey = true;
                                        }
                                }
                        }

                        pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
                        if (pbcmc_sta == NULL) {
                                /* DEBUG_ERR(("Set OID_802_11_ADD_KEY: bcmc stainfo is null\n")); */
                        } else {
                                /* Jeff: don't disable ieee8021x_blocked while clearing key */
                                if (strcmp(param->u.crypt.alg, "none") != 0)
                                        pbcmc_sta->ieee8021x_blocked = false;

                                if ((padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
                                                (padapter->securitypriv.ndisencryptstatus ==  Ndis802_11Encryption3Enabled)) {
                                        pbcmc_sta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
                                }
                        }
                } else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
                        /* adhoc mode */
                }
        }

exit:

        kfree(pwep);
        return ret;
}

static int rtw_set_wpa_ie(struct adapter *padapter, char *pie, unsigned short ielen)
{
        u8 *buf = NULL;
        int group_cipher = 0, pairwise_cipher = 0;
        int ret = 0;
        u8 null_addr[] = {0, 0, 0, 0, 0, 0};

        if ((ielen > MAX_WPA_IE_LEN) || (pie == NULL)) {
                _clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
                if (pie == NULL)
                        return ret;
                else
                        return -EINVAL;
        }

        if (ielen) {
                buf = rtw_zmalloc(ielen);
                if (buf == NULL) {
                        ret =  -ENOMEM;
                        goto exit;
                }

                memcpy(buf, pie, ielen);

                if (ielen < RSN_HEADER_LEN) {
                        ret  = -1;
                        goto exit;
                }

                if (rtw_parse_wpa_ie(buf, ielen, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
                        padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
                        padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPAPSK;
                        memcpy(padapter->securitypriv.supplicant_ie, &buf[0], ielen);
                }

                if (rtw_parse_wpa2_ie(buf, ielen, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
                        padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
                        padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPA2PSK;
                        memcpy(padapter->securitypriv.supplicant_ie, &buf[0], ielen);
                }

                if (group_cipher == 0)
                        group_cipher = WPA_CIPHER_NONE;
                if (pairwise_cipher == 0)
                        pairwise_cipher = WPA_CIPHER_NONE;

                switch (group_cipher) {
                case WPA_CIPHER_NONE:
                        padapter->securitypriv.dot118021XGrpPrivacy = _NO_PRIVACY_;
                        padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
                        break;
                case WPA_CIPHER_WEP40:
                        padapter->securitypriv.dot118021XGrpPrivacy = _WEP40_;
                        padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
                        break;
                case WPA_CIPHER_TKIP:
                        padapter->securitypriv.dot118021XGrpPrivacy = _TKIP_;
                        padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
                        break;
                case WPA_CIPHER_CCMP:
                        padapter->securitypriv.dot118021XGrpPrivacy = _AES_;
                        padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
                        break;
                case WPA_CIPHER_WEP104:
                        padapter->securitypriv.dot118021XGrpPrivacy = _WEP104_;
                        padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
                        break;
                }

                switch (pairwise_cipher) {
                case WPA_CIPHER_NONE:
                        padapter->securitypriv.dot11PrivacyAlgrthm = _NO_PRIVACY_;
                        padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
                        break;
                case WPA_CIPHER_WEP40:
                        padapter->securitypriv.dot11PrivacyAlgrthm = _WEP40_;
                        padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
                        break;
                case WPA_CIPHER_TKIP:
                        padapter->securitypriv.dot11PrivacyAlgrthm = _TKIP_;
                        padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
                        break;
                case WPA_CIPHER_CCMP:
                        padapter->securitypriv.dot11PrivacyAlgrthm = _AES_;
                        padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
                        break;
                case WPA_CIPHER_WEP104:
                        padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
                        padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
                        break;
                }

                _clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
                {/* set wps_ie */
                        u16 cnt = 0;
                        u8 eid, wps_oui[4] = {0x0, 0x50, 0xf2, 0x04};

                        while (cnt < ielen) {
                                eid = buf[cnt];

                                if ((eid == WLAN_EID_VENDOR_SPECIFIC) && (!memcmp(&buf[cnt+2], wps_oui, 4))) {
                                        padapter->securitypriv.wps_ie_len = ((buf[cnt+1]+2) < MAX_WPS_IE_LEN) ? (buf[cnt+1]+2):MAX_WPS_IE_LEN;

                                        memcpy(padapter->securitypriv.wps_ie, &buf[cnt], padapter->securitypriv.wps_ie_len);

                                        set_fwstate(&padapter->mlmepriv, WIFI_UNDER_WPS);

                                        cnt += buf[cnt+1]+2;

                                        break;
                                } else {
                                        cnt += buf[cnt+1]+2; /* goto next */
                                }
                        }
                }
        }

        /* TKIP and AES disallow multicast packets until installing group key */
        if (padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_
                || padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_WTMIC_
                || padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
                /* WPS open need to enable multicast */
                /*  check_fwstate(&padapter->mlmepriv, WIFI_UNDER_WPS) == true) */
                rtw_hal_set_hwreg(padapter, HW_VAR_OFF_RCR_AM, null_addr);

exit:

        kfree(buf);

        return ret;
}

static int rtw_wx_get_name(struct net_device *dev,
                             struct iw_request_info *info,
                             union iwreq_data *wrqu, char *extra)
{
        struct adapter *padapter = rtw_netdev_priv(dev);
        u32 ht_ielen = 0;
        char *p;
        u8 ht_cap = false, vht_cap = false;
        struct  mlme_priv *pmlmepriv = &(padapter->mlmepriv);
        struct wlan_bssid_ex  *pcur_bss = &pmlmepriv->cur_network.network;
        NDIS_802_11_RATES_EX *prates = NULL;

        if (check_fwstate(pmlmepriv, _FW_LINKED|WIFI_ADHOC_MASTER_STATE) == true) {
                /* parsing HT_CAP_IE */
                p = rtw_get_ie(&pcur_bss->IEs[12], WLAN_EID_HT_CAPABILITY, &ht_ielen, pcur_bss->IELength-12);
                if (p && ht_ielen > 0)
                        ht_cap = true;

                prates = &pcur_bss->SupportedRates;

                if (rtw_is_cckratesonly_included((u8 *)prates)) {
                        if (ht_cap)
                                snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11bn");
                        else
                                snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11b");
                } else if (rtw_is_cckrates_included((u8 *)prates)) {
                        if (ht_cap)
                                snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11bgn");
                        else
                                snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11bg");
                } else {
                        if (pcur_bss->Configuration.DSConfig > 14) {
                                if (vht_cap)
                                        snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11AC");
                                else if (ht_cap)
                                        snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11an");
                                else
                                        snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11a");
                        } else {
                                if (ht_cap)
                                        snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11gn");
                                else
                                        snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11g");
                        }
                }
        } else {
                /* prates = &padapter->registrypriv.dev_network.SupportedRates; */
                /* snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11g"); */
                snprintf(wrqu->name, IFNAMSIZ, "unassociated");
        }
        return 0;
}

static int rtw_wx_set_freq(struct net_device *dev,
                             struct iw_request_info *info,
                             union iwreq_data *wrqu, char *extra)
{
        return 0;
}

static int rtw_wx_get_freq(struct net_device *dev,
                             struct iw_request_info *info,
                             union iwreq_data *wrqu, char *extra)
{
        struct adapter *padapter = rtw_netdev_priv(dev);
        struct  mlme_priv *pmlmepriv = &(padapter->mlmepriv);
        struct wlan_bssid_ex  *pcur_bss = &pmlmepriv->cur_network.network;

        if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
                /* wrqu->freq.m = ieee80211_wlan_frequencies[pcur_bss->Configuration.DSConfig-1] * 100000; */
                wrqu->freq.m = rtw_ch2freq(pcur_bss->Configuration.DSConfig) * 100000;
                wrqu->freq.e = 1;
                wrqu->freq.i = pcur_bss->Configuration.DSConfig;

        } else {
                wrqu->freq.m = rtw_ch2freq(padapter->mlmeextpriv.cur_channel) * 100000;
                wrqu->freq.e = 1;
                wrqu->freq.i = padapter->mlmeextpriv.cur_channel;
        }

        return 0;
}

static int rtw_wx_set_mode(struct net_device *dev, struct iw_request_info *a,
                             union iwreq_data *wrqu, char *b)
{
        struct adapter *padapter = rtw_netdev_priv(dev);
        enum ndis_802_11_network_infrastructure networkType;
        int ret = 0;

        if (_FAIL == rtw_pwr_wakeup(padapter)) {
                ret = -EPERM;
                goto exit;
        }

        if (!padapter->hw_init_completed) {
                ret = -EPERM;
                goto exit;
        }

        switch (wrqu->mode) {
        case IW_MODE_AUTO:
                networkType = Ndis802_11AutoUnknown;
                break;
        case IW_MODE_ADHOC:
                networkType = Ndis802_11IBSS;
                break;
        case IW_MODE_MASTER:
                networkType = Ndis802_11APMode;
                /* rtw_setopmode_cmd(padapter, networkType, true); */
                break;
        case IW_MODE_INFRA:
                networkType = Ndis802_11Infrastructure;
                break;
        default:
                ret = -EINVAL;
                goto exit;
        }

/*
        if (Ndis802_11APMode == networkType)
        {
                rtw_setopmode_cmd(padapter, networkType, true);
        }
        else
        {
                rtw_setopmode_cmd(padapter, Ndis802_11AutoUnknown, true);
        }
*/

        if (rtw_set_802_11_infrastructure_mode(padapter, networkType) == false) {

                ret = -EPERM;
                goto exit;

        }

        rtw_setopmode_cmd(padapter, networkType, true);

exit:
        return ret;
}

static int rtw_wx_get_mode(struct net_device *dev, struct iw_request_info *a,
                             union iwreq_data *wrqu, char *b)
{
        struct adapter *padapter = rtw_netdev_priv(dev);
        struct  mlme_priv *pmlmepriv = &(padapter->mlmepriv);

        if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
                wrqu->mode = IW_MODE_INFRA;
        } else if  ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
                       (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
                wrqu->mode = IW_MODE_ADHOC;
        } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) {
                wrqu->mode = IW_MODE_MASTER;
        } else {
                wrqu->mode = IW_MODE_AUTO;
        }
        return 0;
}


static int rtw_wx_set_pmkid(struct net_device *dev,
                             struct iw_request_info *a,
                             union iwreq_data *wrqu, char *extra)
{
        struct adapter *padapter = rtw_netdev_priv(dev);
        u8          j, blInserted = false;
        int         intReturn = false;
        struct security_priv *psecuritypriv = &padapter->securitypriv;
        struct iw_pmksa *pPMK = (struct iw_pmksa *)extra;
        u8     strZeroMacAddress[ETH_ALEN] = { 0x00 };
        u8     strIssueBssid[ETH_ALEN] = { 0x00 };

        /*
        There are the BSSID information in the bssid.sa_data array.
        If cmd is IW_PMKSA_FLUSH, it means the wpa_suppplicant wants to clear all the PMKID information.
        If cmd is IW_PMKSA_ADD, it means the wpa_supplicant wants to add a PMKID/BSSID to driver.
        If cmd is IW_PMKSA_REMOVE, it means the wpa_supplicant wants to remove a PMKID/BSSID from driver.
        */

        memcpy(strIssueBssid, pPMK->bssid.sa_data, ETH_ALEN);
        if (pPMK->cmd == IW_PMKSA_ADD) {
                if (!memcmp(strIssueBssid, strZeroMacAddress, ETH_ALEN))
                        return intReturn;
                else
                    intReturn = true;

                blInserted = false;

                /* overwrite PMKID */
                for (j = 0; j < NUM_PMKID_CACHE; j++) {
                        if (!memcmp(psecuritypriv->PMKIDList[j].Bssid, strIssueBssid, ETH_ALEN)) {

                                memcpy(psecuritypriv->PMKIDList[j].PMKID, pPMK->pmkid, IW_PMKID_LEN);
                                psecuritypriv->PMKIDList[j].bUsed = true;
                                psecuritypriv->PMKIDIndex = j+1;
                                blInserted = true;
                                break;
                        }
                }

                if (!blInserted) {

                    memcpy(psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].Bssid, strIssueBssid, ETH_ALEN);
                    memcpy(psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].PMKID, pPMK->pmkid, IW_PMKID_LEN);

                    psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].bUsed = true;
                    psecuritypriv->PMKIDIndex++;
                    if (psecuritypriv->PMKIDIndex == 16)
                        psecuritypriv->PMKIDIndex = 0;
                }
        } else if (pPMK->cmd == IW_PMKSA_REMOVE) {
                intReturn = true;
                for (j = 0; j < NUM_PMKID_CACHE; j++) {
                        if (!memcmp(psecuritypriv->PMKIDList[j].Bssid, strIssueBssid, ETH_ALEN)) {
                                /*  BSSID is matched, the same AP => Remove this PMKID information and reset it. */
                                eth_zero_addr(psecuritypriv->PMKIDList[j].Bssid);
                                psecuritypriv->PMKIDList[j].bUsed = false;
                                break;
                        }
                }
        } else if (pPMK->cmd == IW_PMKSA_FLUSH) {
                memset(&psecuritypriv->PMKIDList[0], 0x00, sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
                psecuritypriv->PMKIDIndex = 0;
                intReturn = true;
        }
        return intReturn;
}

static int rtw_wx_get_sens(struct net_device *dev,
                             struct iw_request_info *info,
                             union iwreq_data *wrqu, char *extra)
{
        {
                wrqu->sens.value = 0;
                wrqu->sens.fixed = 0;   /* no auto select */
                wrqu->sens.disabled = 1;
        }
        return 0;
}

static int rtw_wx_get_range(struct net_device *dev,
                                struct iw_request_info *info,
                                union iwreq_data *wrqu, char *extra)
{
        struct iw_range *range = (struct iw_range *)extra;
        struct adapter *padapter = rtw_netdev_priv(dev);
        struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;

        u16 val;
        int i;

        wrqu->data.length = sizeof(*range);
        memset(range, 0, sizeof(*range));

        /* Let's try to keep this struct in the same order as in
         * linux/include/wireless.h
         */

        /* TODO: See what values we can set, and remove the ones we can't
         * set, or fill them with some default data.
         */

        /* ~5 Mb/s real (802.11b) */
        range->throughput = 5 * 1000 * 1000;

        /* signal level threshold range */

        /* percent values between 0 and 100. */
        range->max_qual.qual = 100;
        range->max_qual.level = 100;
        range->max_qual.noise = 100;
        range->max_qual.updated = 7; /* Updated all three */


        range->avg_qual.qual = 92; /* > 8% missed beacons is 'bad' */
        /* TODO: Find real 'good' to 'bad' threshol value for RSSI */
        range->avg_qual.level = 256 - 78;
        range->avg_qual.noise = 0;
        range->avg_qual.updated = 7; /* Updated all three */

        range->num_bitrates = RATE_COUNT;

        for (i = 0; i < RATE_COUNT && i < IW_MAX_BITRATES; i++)
                range->bitrate[i] = rtw_rates[i];

        range->min_frag = MIN_FRAG_THRESHOLD;
        range->max_frag = MAX_FRAG_THRESHOLD;

        range->pm_capa = 0;

        range->we_version_compiled = WIRELESS_EXT;
        range->we_version_source = 16;

        for (i = 0, val = 0; i < MAX_CHANNEL_NUM; i++) {

                /*  Include only legal frequencies for some countries */
                if (pmlmeext->channel_set[i].ChannelNum != 0) {
                        range->freq[val].i = pmlmeext->channel_set[i].ChannelNum;
                        range->freq[val].m = rtw_ch2freq(pmlmeext->channel_set[i].ChannelNum) * 100000;
                        range->freq[val].e = 1;
                        val++;
                }

                if (val == IW_MAX_FREQUENCIES)
                        break;
        }

        range->num_channels = val;
        range->num_frequency = val;

/*  Commented by Albert 2009/10/13 */
/*  The following code will proivde the security capability to network manager. */
/*  If the driver doesn't provide this capability to network manager, */
/*  the WPA/WPA2 routers can't be chosen in the network manager. */

/*
#define IW_SCAN_CAPA_NONE               0x00
#define IW_SCAN_CAPA_ESSID              0x01
#define IW_SCAN_CAPA_BSSID              0x02

#define IW_SCAN_CAPA_CHANNEL    0x04
#define IW_SCAN_CAPA_MODE               0x08
#define IW_SCAN_CAPA_RATE               0x10
#define IW_SCAN_CAPA_TYPE               0x20
#define IW_SCAN_CAPA_TIME               0x40
*/

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

        range->scan_capa = IW_SCAN_CAPA_ESSID | IW_SCAN_CAPA_TYPE | IW_SCAN_CAPA_BSSID |
                                        IW_SCAN_CAPA_CHANNEL | IW_SCAN_CAPA_MODE | IW_SCAN_CAPA_RATE;

        return 0;
}

/* set bssid flow */
/* s1. rtw_set_802_11_infrastructure_mode() */
/* s2. rtw_set_802_11_authentication_mode() */
/* s3. set_802_11_encryption_mode() */
/* s4. rtw_set_802_11_bssid() */
static int rtw_wx_set_wap(struct net_device *dev,
                         struct iw_request_info *info,
                         union iwreq_data *awrq,
                         char *extra)
{
        uint ret = 0;
        struct adapter *padapter = rtw_netdev_priv(dev);
        struct sockaddr *temp = (struct sockaddr *)awrq;
        struct  mlme_priv *pmlmepriv = &(padapter->mlmepriv);
        struct list_head        *phead;
        u8 *dst_bssid, *src_bssid;
        struct __queue  *queue  = &(pmlmepriv->scanned_queue);
        struct  wlan_network    *pnetwork = NULL;
        enum ndis_802_11_authentication_mode    authmode;

        rtw_ps_deny(padapter, PS_DENY_JOIN);
        if (_FAIL == rtw_pwr_wakeup(padapter)) {
                ret = -1;
                goto exit;
        }

        if (!padapter->bup) {
                ret = -1;
                goto exit;
        }


        if (temp->sa_family != ARPHRD_ETHER) {
                ret = -EINVAL;
                goto exit;
        }

        authmode = padapter->securitypriv.ndisauthtype;
        spin_lock_bh(&queue->lock);
        phead = get_list_head(queue);
        list_for_each(pmlmepriv->pscanned, phead) {
                pnetwork = list_entry(pmlmepriv->pscanned,
                                      struct wlan_network, list);

                dst_bssid = pnetwork->network.MacAddress;

                src_bssid = temp->sa_data;

                if ((!memcmp(dst_bssid, src_bssid, ETH_ALEN))) {
                        if (!rtw_set_802_11_infrastructure_mode(padapter, pnetwork->network.InfrastructureMode)) {
                                ret = -1;
                                spin_unlock_bh(&queue->lock);
                                goto exit;
                        }
                        break;
                }

        }
        spin_unlock_bh(&queue->lock);

        rtw_set_802_11_authentication_mode(padapter, authmode);
        /* set_802_11_encryption_mode(padapter, padapter->securitypriv.ndisencryptstatus); */
        if (rtw_set_802_11_bssid(padapter, temp->sa_data) == false) {
                ret = -1;
                goto exit;
        }

exit:

        rtw_ps_deny_cancel(padapter, PS_DENY_JOIN);

        return ret;
}

static int rtw_wx_get_wap(struct net_device *dev,
                            struct iw_request_info *info,
                            union iwreq_data *wrqu, char *extra)
{

        struct adapter *padapter = rtw_netdev_priv(dev);
        struct  mlme_priv *pmlmepriv = &(padapter->mlmepriv);
        struct wlan_bssid_ex  *pcur_bss = &pmlmepriv->cur_network.network;

        wrqu->ap_addr.sa_family = ARPHRD_ETHER;

        eth_zero_addr(wrqu->ap_addr.sa_data);

        if  (((check_fwstate(pmlmepriv, _FW_LINKED)) == true) ||
                        ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) == true) ||
                        ((check_fwstate(pmlmepriv, WIFI_AP_STATE)) == true)) {
                memcpy(wrqu->ap_addr.sa_data, pcur_bss->MacAddress, ETH_ALEN);
        } else {
                eth_zero_addr(wrqu->ap_addr.sa_data);
        }

        return 0;
}

static int rtw_wx_set_mlme(struct net_device *dev,
                             struct iw_request_info *info,
                             union iwreq_data *wrqu, char *extra)
{
        int ret = 0;
        struct adapter *padapter = rtw_netdev_priv(dev);
        struct iw_mlme *mlme = (struct iw_mlme *)extra;


        if (mlme == NULL)
                return -1;

        switch (mlme->cmd) {
        case IW_MLME_DEAUTH:
                if (!rtw_set_802_11_disassociate(padapter))
                        ret = -1;
                break;
        case IW_MLME_DISASSOC:
                if (!rtw_set_802_11_disassociate(padapter))
                        ret = -1;
                break;
        default:
                return -EOPNOTSUPP;
        }

        return ret;
}

static int rtw_wx_set_scan(struct net_device *dev, struct iw_request_info *a,
                             union iwreq_data *wrqu, char *extra)
{
        u8 _status = false;
        int ret = 0;
        struct adapter *padapter = rtw_netdev_priv(dev);
        struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
        struct ndis_802_11_ssid ssid[RTW_SSID_SCAN_AMOUNT];

        rtw_ps_deny(padapter, PS_DENY_SCAN);
        if (_FAIL == rtw_pwr_wakeup(padapter)) {
                ret = -1;
                goto exit;
        }

        if (padapter->bDriverStopped) {
                ret = -1;
                goto exit;
        }

        if (!padapter->bup) {
                ret = -1;
                goto exit;
        }

        if (!padapter->hw_init_completed) {
                ret = -1;
                goto exit;
        }

        /*  When Busy Traffic, driver do not site survey. So driver return success. */
        /*  wpa_supplicant will not issue SIOCSIWSCAN cmd again after scan timeout. */
        /*  modify by thomas 2011-02-22. */
        if (pmlmepriv->LinkDetectInfo.bBusyTraffic) {
                indicate_wx_scan_complete_event(padapter);
                goto exit;
        }

        if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING) == true) {
                indicate_wx_scan_complete_event(padapter);
                goto exit;
        }

        memset(ssid, 0, sizeof(struct ndis_802_11_ssid)*RTW_SSID_SCAN_AMOUNT);

        if (wrqu->data.length == sizeof(struct iw_scan_req)) {
                struct iw_scan_req *req = (struct iw_scan_req *)extra;

                if (wrqu->data.flags & IW_SCAN_THIS_ESSID) {
                        int len = min((int)req->essid_len, IW_ESSID_MAX_SIZE);

                        memcpy(ssid[0].Ssid, req->essid, len);
                        ssid[0].SsidLength = len;

                        spin_lock_bh(&pmlmepriv->lock);

                        _status = rtw_sitesurvey_cmd(padapter, ssid, 1, NULL, 0);

                        spin_unlock_bh(&pmlmepriv->lock);

                }

        } else if (wrqu->data.length >= WEXT_CSCAN_HEADER_SIZE
                && !memcmp(extra, WEXT_CSCAN_HEADER, WEXT_CSCAN_HEADER_SIZE)) {
                int len = wrqu->data.length - WEXT_CSCAN_HEADER_SIZE;
                char *pos = extra+WEXT_CSCAN_HEADER_SIZE;
                char section;
                char sec_len;
                int ssid_index = 0;

                while (len >= 1) {
                        section = *(pos++); len -= 1;

                        switch (section) {
                        case WEXT_CSCAN_SSID_SECTION:
                                if (len < 1) {
                                        len = 0;
                                        break;
                                }

                                sec_len = *(pos++); len -= 1;

                                if (sec_len > 0 && sec_len <= len) {
                                        ssid[ssid_index].SsidLength = sec_len;
                                        memcpy(ssid[ssid_index].Ssid, pos, ssid[ssid_index].SsidLength);
                                        ssid_index++;
                                }

                                pos += sec_len; len -= sec_len;
                                break;


                        case WEXT_CSCAN_CHANNEL_SECTION:
                                pos += 1; len -= 1;
                                break;
                        case WEXT_CSCAN_ACTV_DWELL_SECTION:
                                pos += 2; len -= 2;
                                break;
                        case WEXT_CSCAN_PASV_DWELL_SECTION:
                                pos += 2; len -= 2;
                                break;
                        case WEXT_CSCAN_HOME_DWELL_SECTION:
                                pos += 2; len -= 2;
                                break;
                        case WEXT_CSCAN_TYPE_SECTION:
                                pos += 1; len -= 1;
                                break;
                        default:
                                len = 0; /*  stop parsing */
                        }
                }

                /* jeff: it has still some scan parameter to parse, we only do this now... */
                _status = rtw_set_802_11_bssid_list_scan(padapter, ssid, RTW_SSID_SCAN_AMOUNT);

        } else {
                _status = rtw_set_802_11_bssid_list_scan(padapter, NULL, 0);
        }

        if (_status == false)
                ret = -1;

exit:

        rtw_ps_deny_cancel(padapter, PS_DENY_SCAN);

        return ret;
}

static int rtw_wx_get_scan(struct net_device *dev, struct iw_request_info *a,
                             union iwreq_data *wrqu, char *extra)
{
        struct list_head                                        *plist, *phead;
        struct adapter *padapter = rtw_netdev_priv(dev);
        struct  mlme_priv *pmlmepriv = &(padapter->mlmepriv);
        struct __queue                          *queue  = &(pmlmepriv->scanned_queue);
        struct  wlan_network    *pnetwork = NULL;
        char *ev = extra;
        char *stop = ev + wrqu->data.length;
        u32 ret = 0;
        signed int wait_status;

        if (adapter_to_pwrctl(padapter)->brfoffbyhw && padapter->bDriverStopped) {
                ret = -EINVAL;
                goto exit;
        }

        wait_status = _FW_UNDER_SURVEY | _FW_UNDER_LINKING;

        if (check_fwstate(pmlmepriv, wait_status))
                return -EAGAIN;

        spin_lock_bh(&(pmlmepriv->scanned_queue.lock));

        phead = get_list_head(queue);
        list_for_each(plist, phead) {
                if ((stop - ev) < SCAN_ITEM_SIZE) {
                        ret = -E2BIG;
                        break;
                }

                pnetwork = list_entry(plist, struct wlan_network, list);

                /* report network only if the current channel set contains the channel to which this network belongs */
                if (rtw_ch_set_search_ch(padapter->mlmeextpriv.channel_set, pnetwork->network.Configuration.DSConfig) >= 0
                        && true == rtw_validate_ssid(&(pnetwork->network.Ssid))) {

                        ev = translate_scan(padapter, a, pnetwork, ev, stop);
                }

        }

        spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));

        wrqu->data.length = ev-extra;
        wrqu->data.flags = 0;

exit:

        return ret;

}

/* set ssid flow */
/* s1. rtw_set_802_11_infrastructure_mode() */
/* s2. set_802_11_authenticaion_mode() */
/* s3. set_802_11_encryption_mode() */
/* s4. rtw_set_802_11_ssid() */
static int rtw_wx_set_essid(struct net_device *dev,
                              struct iw_request_info *a,
                              union iwreq_data *wrqu, char *extra)
{
        struct adapter *padapter = rtw_netdev_priv(dev);
        struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
        struct __queue *queue = &pmlmepriv->scanned_queue;
        struct list_head *phead;
        struct wlan_network *pnetwork = NULL;
        enum ndis_802_11_authentication_mode authmode;
        struct ndis_802_11_ssid ndis_ssid;
        u8 *dst_ssid, *src_ssid;

        uint ret = 0, len;

        rtw_ps_deny(padapter, PS_DENY_JOIN);
        if (_FAIL == rtw_pwr_wakeup(padapter)) {
                ret = -1;
                goto exit;
        }

        if (!padapter->bup) {
                ret = -1;
                goto exit;
        }

        if (wrqu->essid.length > IW_ESSID_MAX_SIZE) {
                ret = -E2BIG;
                goto exit;
        }

        if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
                ret = -1;
                goto exit;
        }

        authmode = padapter->securitypriv.ndisauthtype;
        if (wrqu->essid.flags && wrqu->essid.length) {
                len = (wrqu->essid.length < IW_ESSID_MAX_SIZE) ? wrqu->essid.length : IW_ESSID_MAX_SIZE;

                memset(&ndis_ssid, 0, sizeof(struct ndis_802_11_ssid));
                ndis_ssid.SsidLength = len;
                memcpy(ndis_ssid.Ssid, extra, len);
                src_ssid = ndis_ssid.Ssid;

                spin_lock_bh(&queue->lock);
                phead = get_list_head(queue);
                list_for_each(pmlmepriv->pscanned, phead) {
                        pnetwork = list_entry(pmlmepriv->pscanned,
                                              struct wlan_network, list);

                        dst_ssid = pnetwork->network.Ssid.Ssid;

                        if ((!memcmp(dst_ssid, src_ssid, ndis_ssid.SsidLength)) &&
                                (pnetwork->network.Ssid.SsidLength == ndis_ssid.SsidLength)) {
                                if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) {
                                        if (pnetwork->network.InfrastructureMode != pmlmepriv->cur_network.network.InfrastructureMode)
                                                continue;
                                }

                                if (rtw_set_802_11_infrastructure_mode(padapter, pnetwork->network.InfrastructureMode) == false) {
                                        ret = -1;
                                        spin_unlock_bh(&queue->lock);
                                        goto exit;
                                }

                                break;
                        }
                }
                spin_unlock_bh(&queue->lock);
                rtw_set_802_11_authentication_mode(padapter, authmode);
                /* set_802_11_encryption_mode(padapter, padapter->securitypriv.ndisencryptstatus); */
                if (rtw_set_802_11_ssid(padapter, &ndis_ssid) == false) {
                        ret = -1;
                        goto exit;
                }
        }

exit:

        rtw_ps_deny_cancel(padapter, PS_DENY_JOIN);

        return ret;
}

static int rtw_wx_get_essid(struct net_device *dev,
                              struct iw_request_info *a,
                              union iwreq_data *wrqu, char *extra)
{
        u32 len, ret = 0;
        struct adapter *padapter = rtw_netdev_priv(dev);
        struct  mlme_priv *pmlmepriv = &(padapter->mlmepriv);
        struct wlan_bssid_ex  *pcur_bss = &pmlmepriv->cur_network.network;

        if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) ||
              (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)) {
                len = pcur_bss->Ssid.SsidLength;

                wrqu->essid.length = len;

                memcpy(extra, pcur_bss->Ssid.Ssid, len);

                wrqu->essid.flags = 1;
        } else {
                ret = -1;
                goto exit;
        }

exit:
        return ret;
}

static int rtw_wx_set_rate(struct net_device *dev,
                              struct iw_request_info *a,
                              union iwreq_data *wrqu, char *extra)
{
        int     i, ret = 0;
        struct adapter *padapter = rtw_netdev_priv(dev);
        u8 datarates[NumRates];
        u32 target_rate = wrqu->bitrate.value;
        u32 fixed = wrqu->bitrate.fixed;
        u32 ratevalue = 0;
        u8 mpdatarate[NumRates] = {11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 0xff};

        if (target_rate == -1) {
                ratevalue = 11;
                goto set_rate;
        }
        target_rate = target_rate/100000;

        switch (target_rate) {
        case 10:
                ratevalue = 0;
                break;
        case 20:
                ratevalue = 1;
                break;
        case 55:
                ratevalue = 2;
                break;
        case 60:
                ratevalue = 3;
                break;
        case 90:
                ratevalue = 4;
                break;
        case 110:
                ratevalue = 5;
                break;
        case 120:
                ratevalue = 6;
                break;
        case 180:
                ratevalue = 7;
                break;
        case 240:
                ratevalue = 8;
                break;
        case 360:
                ratevalue = 9;
                break;
        case 480:
                ratevalue = 10;
                break;
        case 540:
                ratevalue = 11;
                break;
        default:
                ratevalue = 11;
                break;
        }

set_rate:

        for (i = 0; i < NumRates; i++) {
                if (ratevalue == mpdatarate[i]) {
                        datarates[i] = mpdatarate[i];
                        if (fixed == 0)
                                break;
                } else {
                        datarates[i] = 0xff;
                }
        }

        if (rtw_setdatarate_cmd(padapter, datarates) != _SUCCESS)
                ret = -1;

        return ret;
}

static int rtw_wx_get_rate(struct net_device *dev,
                             struct iw_request_info *info,
                             union iwreq_data *wrqu, char *extra)
{
        u16 max_rate = 0;

        max_rate = rtw_get_cur_max_rate(rtw_netdev_priv(dev));

        if (max_rate == 0)
                return -EPERM;

        wrqu->bitrate.fixed = 0;        /* no auto select */
        wrqu->bitrate.value = max_rate * 100000;

        return 0;
}

static int rtw_wx_set_rts(struct net_device *dev,
                             struct iw_request_info *info,
                             union iwreq_data *wrqu, char *extra)
{
        struct adapter *padapter = rtw_netdev_priv(dev);

        if (wrqu->rts.disabled)
                padapter->registrypriv.rts_thresh = 2347;
        else {
                if (wrqu->rts.value < 0 ||
                    wrqu->rts.value > 2347)
                        return -EINVAL;

                padapter->registrypriv.rts_thresh = wrqu->rts.value;
        }

        return 0;
}

static int rtw_wx_get_rts(struct net_device *dev,
                             struct iw_request_info *info,
                             union iwreq_data *wrqu, char *extra)
{
        struct adapter *padapter = rtw_netdev_priv(dev);

        wrqu->rts.value = padapter->registrypriv.rts_thresh;
        wrqu->rts.fixed = 0;    /* no auto select */
        /* wrqu->rts.disabled = (wrqu->rts.value == DEFAULT_RTS_THRESHOLD); */

        return 0;
}

static int rtw_wx_set_frag(struct net_device *dev,
                             struct iw_request_info *info,
                             union iwreq_data *wrqu, char *extra)
{
        struct adapter *padapter = rtw_netdev_priv(dev);

        if (wrqu->frag.disabled)
                padapter->xmitpriv.frag_len = MAX_FRAG_THRESHOLD;
        else {
                if (wrqu->frag.value < MIN_FRAG_THRESHOLD ||
                    wrqu->frag.value > MAX_FRAG_THRESHOLD)
                        return -EINVAL;

                padapter->xmitpriv.frag_len = wrqu->frag.value & ~0x1;
        }

        return 0;

}

static int rtw_wx_get_frag(struct net_device *dev,
                             struct iw_request_info *info,
                             union iwreq_data *wrqu, char *extra)
{
        struct adapter *padapter = rtw_netdev_priv(dev);

        wrqu->frag.value = padapter->xmitpriv.frag_len;
        wrqu->frag.fixed = 0;   /* no auto select */
        /* wrqu->frag.disabled = (wrqu->frag.value == DEFAULT_FRAG_THRESHOLD); */

        return 0;
}

static int rtw_wx_get_retry(struct net_device *dev,
                             struct iw_request_info *info,
                             union iwreq_data *wrqu, char *extra)
{
        /* struct adapter *padapter = rtw_netdev_priv(dev); */


        wrqu->retry.value = 7;
        wrqu->retry.fixed = 0;  /* no auto select */
        wrqu->retry.disabled = 1;

        return 0;

}

static int rtw_wx_set_enc(struct net_device *dev,
                            struct iw_request_info *info,
                            union iwreq_data *wrqu, char *keybuf)
{
        u32 key, ret = 0;
        u32 keyindex_provided;
        struct ndis_802_11_wep   wep;
        enum ndis_802_11_authentication_mode authmode;

        struct iw_point *erq = &(wrqu->encoding);
        struct adapter *padapter = rtw_netdev_priv(dev);
        struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);

        memset(&wep, 0, sizeof(struct ndis_802_11_wep));

        key = erq->flags & IW_ENCODE_INDEX;

        if (erq->flags & IW_ENCODE_DISABLED) {
                padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
                padapter->securitypriv.dot11PrivacyAlgrthm = _NO_PRIVACY_;
                padapter->securitypriv.dot118021XGrpPrivacy = _NO_PRIVACY_;
                padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
                authmode = Ndis802_11AuthModeOpen;
                padapter->securitypriv.ndisauthtype = authmode;

                goto exit;
        }

        if (key) {
                if (key > WEP_KEYS)
                        return -EINVAL;
                key--;
                keyindex_provided = 1;
        } else {
                keyindex_provided = 0;
                key = padapter->securitypriv.dot11PrivacyKeyIndex;
        }

        /* set authentication mode */
        if (erq->flags & IW_ENCODE_OPEN) {
                padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;/* Ndis802_11EncryptionDisabled; */

                padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_Open;

                padapter->securitypriv.dot11PrivacyAlgrthm = _NO_PRIVACY_;
                padapter->securitypriv.dot118021XGrpPrivacy = _NO_PRIVACY_;
                authmode = Ndis802_11AuthModeOpen;
                padapter->securitypriv.ndisauthtype = authmode;
        } else if (erq->flags & IW_ENCODE_RESTRICTED) {
                padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;

                padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_Shared;

                padapter->securitypriv.dot11PrivacyAlgrthm = _WEP40_;
                padapter->securitypriv.dot118021XGrpPrivacy = _WEP40_;
                authmode = Ndis802_11AuthModeShared;
                padapter->securitypriv.ndisauthtype = authmode;
        } else {
                padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;/* Ndis802_11EncryptionDisabled; */
                padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
                padapter->securitypriv.dot11PrivacyAlgrthm = _NO_PRIVACY_;
                padapter->securitypriv.dot118021XGrpPrivacy = _NO_PRIVACY_;
                authmode = Ndis802_11AuthModeOpen;
                padapter->securitypriv.ndisauthtype = authmode;
        }

        wep.KeyIndex = key;
        if (erq->length > 0) {
                wep.KeyLength = erq->length <= 5 ? 5 : 13;

                wep.Length = wep.KeyLength + FIELD_OFFSET(struct ndis_802_11_wep, KeyMaterial);
        } else {
                wep.KeyLength = 0;

                if (keyindex_provided == 1) { /*  set key_id only, no given KeyMaterial(erq->length == 0). */
                        padapter->securitypriv.dot11PrivacyKeyIndex = key;

                        switch (padapter->securitypriv.dot11DefKeylen[key]) {
                        case 5:
                                padapter->securitypriv.dot11PrivacyAlgrthm = _WEP40_;
                                break;
                        case 13:
                                padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
                                break;
                        default:
                                padapter->securitypriv.dot11PrivacyAlgrthm = _NO_PRIVACY_;
                                break;
                        }

                        goto exit;

                }

        }

        wep.KeyIndex |= 0x80000000;

        memcpy(wep.KeyMaterial, keybuf, wep.KeyLength);

        if (rtw_set_802_11_add_wep(padapter, &wep) == false) {
                if (rf_on == pwrpriv->rf_pwrstate)
                        ret = -EOPNOTSUPP;
                goto exit;
        }

exit:
        return ret;
}

static int rtw_wx_get_enc(struct net_device *dev,
                            struct iw_request_info *info,
                            union iwreq_data *wrqu, char *keybuf)
{
        uint key, ret = 0;
        struct adapter *padapter = rtw_netdev_priv(dev);
        struct iw_point *erq = &(wrqu->encoding);
        struct  mlme_priv *pmlmepriv = &(padapter->mlmepriv);

        if (check_fwstate(pmlmepriv, _FW_LINKED) != true) {
                 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) != true) {
                         erq->length = 0;
                         erq->flags |= IW_ENCODE_DISABLED;
                         return 0;
                 }
        }


        key = erq->flags & IW_ENCODE_INDEX;

        if (key) {
                if (key > WEP_KEYS)
                        return -EINVAL;
                key--;
        } else {
                key = padapter->securitypriv.dot11PrivacyKeyIndex;
        }

        erq->flags = key + 1;

        /* if (padapter->securitypriv.ndisauthtype == Ndis802_11AuthModeOpen) */
        /*  */
        /*       erq->flags |= IW_ENCODE_OPEN; */
        /*  */

        switch (padapter->securitypriv.ndisencryptstatus) {
        case Ndis802_11EncryptionNotSupported:
        case Ndis802_11EncryptionDisabled:
                erq->length = 0;
                erq->flags |= IW_ENCODE_DISABLED;
                break;
        case Ndis802_11Encryption1Enabled:
                erq->length = padapter->securitypriv.dot11DefKeylen[key];

                if (erq->length) {
                        memcpy(keybuf, padapter->securitypriv.dot11DefKey[key].skey, padapter->securitypriv.dot11DefKeylen[key]);

                        erq->flags |= IW_ENCODE_ENABLED;

                        if (padapter->securitypriv.ndisauthtype == Ndis802_11AuthModeOpen)
                                erq->flags |= IW_ENCODE_OPEN;
                        else if (padapter->securitypriv.ndisauthtype == Ndis802_11AuthModeShared)
                                erq->flags |= IW_ENCODE_RESTRICTED;
                } else {
                        erq->length = 0;
                        erq->flags |= IW_ENCODE_DISABLED;
                }
                break;
        case Ndis802_11Encryption2Enabled:
        case Ndis802_11Encryption3Enabled:
                erq->length = 16;
                erq->flags |= (IW_ENCODE_ENABLED | IW_ENCODE_OPEN | IW_ENCODE_NOKEY);
                break;
        default:
                erq->length = 0;
                erq->flags |= IW_ENCODE_DISABLED;
                break;
        }
        return ret;
}

static int rtw_wx_get_power(struct net_device *dev,
                             struct iw_request_info *info,
                             union iwreq_data *wrqu, char *extra)
{
        /* struct adapter *padapter = rtw_netdev_priv(dev); */

        wrqu->power.value = 0;
        wrqu->power.fixed = 0;  /* no auto select */
        wrqu->power.disabled = 1;

        return 0;
}

static int rtw_wx_set_gen_ie(struct net_device *dev,
                             struct iw_request_info *info,
                             union iwreq_data *wrqu, char *extra)
{
        struct adapter *padapter = rtw_netdev_priv(dev);

        return rtw_set_wpa_ie(padapter, extra, wrqu->data.length);
}

static int rtw_wx_set_auth(struct net_device *dev,
                           struct iw_request_info *info,
                           union iwreq_data *wrqu, char *extra)
{
        struct adapter *padapter = rtw_netdev_priv(dev);
        struct iw_param *param = (struct iw_param *)&(wrqu->param);
        int ret = 0;

        switch (param->flags & IW_AUTH_INDEX) {
        case IW_AUTH_WPA_VERSION:
                break;
        case IW_AUTH_CIPHER_PAIRWISE:
                break;
        case IW_AUTH_CIPHER_GROUP:
                break;
        case IW_AUTH_KEY_MGMT:
                /*
                 *  ??? does not use these parameters
                 */
                break;
        case IW_AUTH_TKIP_COUNTERMEASURES:
                /* wpa_supplicant is setting the tkip countermeasure. */
                if (param->value) /* enabling */
                        padapter->securitypriv.btkip_countermeasure = true;
                else /* disabling */
                        padapter->securitypriv.btkip_countermeasure = false;
                break;
        case IW_AUTH_DROP_UNENCRYPTED:
                /* HACK:
                 *
                 * wpa_supplicant calls set_wpa_enabled when the driver
                 * is loaded and unloaded, regardless of if WPA is being
                 * used.  No other calls are made which can be used to
                 * determine if encryption will be used or not prior to
                 * association being expected.  If encryption is not being
                 * used, drop_unencrypted is set to false, else true -- we
                 * can use this to determine if the CAP_PRIVACY_ON bit should
                 * be set.
                 */

                /*
                 * This means init value, or using wep, ndisencryptstatus =
                 * Ndis802_11Encryption1Enabled, then it needn't reset it;
                 */
                if (padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption1Enabled)
                        break;

                if (param->value) {
                        padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
                        padapter->securitypriv.dot11PrivacyAlgrthm = _NO_PRIVACY_;
                        padapter->securitypriv.dot118021XGrpPrivacy = _NO_PRIVACY_;
                        padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
                        padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
                }

                break;
        case IW_AUTH_80211_AUTH_ALG:
                /*
                 *  It's the starting point of a link layer connection using wpa_supplicant
                 */
                if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
                        LeaveAllPowerSaveMode(padapter);
                        rtw_disassoc_cmd(padapter, 500, false);
                        rtw_indicate_disconnect(padapter);
                        rtw_free_assoc_resources(padapter, 1);
                }

                ret = wpa_set_auth_algs(dev, (u32)param->value);
                break;
        case IW_AUTH_WPA_ENABLED:
                break;
        case IW_AUTH_RX_UNENCRYPTED_EAPOL:
                break;
        case IW_AUTH_PRIVACY_INVOKED:
                break;
        default:
                return -EOPNOTSUPP;
        }

        return ret;
}

static int rtw_wx_set_enc_ext(struct net_device *dev,
                             struct iw_request_info *info,
                             union iwreq_data *wrqu, char *extra)
{
        char *alg_name;
        u32 param_len;
        struct ieee_param *param = NULL;
        struct iw_point *pencoding = &wrqu->encoding;
        struct iw_encode_ext *pext = (struct iw_encode_ext *)extra;
        int ret = 0;

        param_len = sizeof(struct ieee_param) + pext->key_len;
        param = kzalloc(param_len, GFP_KERNEL);
        if (param == NULL)
                return -1;

        param->cmd = IEEE_CMD_SET_ENCRYPTION;
        eth_broadcast_addr(param->sta_addr);


        switch (pext->alg) {
        case IW_ENCODE_ALG_NONE:
                /* todo: remove key */
                /* remove = 1; */
                alg_name = "none";
                break;
        case IW_ENCODE_ALG_WEP:
                alg_name = "WEP";
                break;
        case IW_ENCODE_ALG_TKIP:
                alg_name = "TKIP";
                break;
        case IW_ENCODE_ALG_CCMP:
                alg_name = "CCMP";
                break;
        case IW_ENCODE_ALG_AES_CMAC:
                alg_name = "BIP";
                break;
        default:
                ret = -1;
                goto exit;
        }

        strncpy((char *)param->u.crypt.alg, alg_name, IEEE_CRYPT_ALG_NAME_LEN);

        if (pext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)
                param->u.crypt.set_tx = 1;

        /* cliW: WEP does not have group key
         * just not checking GROUP key setting
         */
        if ((pext->alg != IW_ENCODE_ALG_WEP) &&
                ((pext->ext_flags & IW_ENCODE_EXT_GROUP_KEY)
                || (pext->ext_flags & IW_ENCODE_ALG_AES_CMAC))) {
                param->u.crypt.set_tx = 0;
        }

        param->u.crypt.idx = (pencoding->flags & 0x00FF) - 1;

        if (pext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID)
                memcpy(param->u.crypt.seq, pext->rx_seq, 8);

        if (pext->key_len) {
                param->u.crypt.key_len = pext->key_len;
                /* memcpy(param + 1, pext + 1, pext->key_len); */
                memcpy(param->u.crypt.key, pext + 1, pext->key_len);
        }

        if (pencoding->flags & IW_ENCODE_DISABLED) {
                /* todo: remove key */
                /* remove = 1; */
        }

        ret =  wpa_set_encryption(dev, param, param_len);

exit:
        kfree(param);

        return ret;
}


static int rtw_wx_get_nick(struct net_device *dev,
                             struct iw_request_info *info,
                             union iwreq_data *wrqu, char *extra)
{
        /* struct adapter *padapter = rtw_netdev_priv(dev); */
         /* struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); */
         /* struct security_priv *psecuritypriv = &padapter->securitypriv; */

        if (extra) {
                wrqu->data.length = 14;
                wrqu->data.flags = 1;
                memcpy(extra, "<WIFI@REALTEK>", 14);
        }
        return 0;
}

static int rtw_wx_read32(struct net_device *dev,

                         struct iw_request_info *info,
                         union iwreq_data *wrqu, char *extra)
{
        struct adapter *padapter;
        struct iw_point *p;
        u16 len;
        u32 addr;
        u32 data32;
        u32 bytes;
        u8 *ptmp;
        int ret;


        ret = 0;
        padapter = rtw_netdev_priv(dev);
        p = &wrqu->data;
        len = p->length;
        if (0 == len)
                return -EINVAL;

        ptmp = rtw_malloc(len);
        if (NULL == ptmp)
                return -ENOMEM;

        if (copy_from_user(ptmp, p->pointer, len)) {
                ret = -EFAULT;
                goto exit;
        }

        bytes = 0;
        addr = 0;
        sscanf(ptmp, "%d,%x", &bytes, &addr);

        switch (bytes) {
        case 1:
                data32 = rtw_read8(padapter, addr);
                sprintf(extra, "0x%02X", data32);
                break;
        case 2:
                data32 = rtw_read16(padapter, addr);
                sprintf(extra, "0x%04X", data32);
                break;
        case 4:
                data32 = rtw_read32(padapter, addr);
                sprintf(extra, "0x%08X", data32);
                break;
        default:
                ret = -EINVAL;
                goto exit;
        }

exit:
        kfree(ptmp);

        return ret;
}

static int rtw_wx_write32(struct net_device *dev,
                          struct iw_request_info *info,
                          union iwreq_data *wrqu, char *extra)
{
        struct adapter *padapter = rtw_netdev_priv(dev);

        u32 addr;
        u32 data32;
        u32 bytes;


        bytes = 0;
        addr = 0;
        data32 = 0;
        sscanf(extra, "%d,%x,%x", &bytes, &addr, &data32);

        switch (bytes) {
        case 1:
                rtw_write8(padapter, addr, (u8)data32);
                break;
        case 2:
                rtw_write16(padapter, addr, (u16)data32);
                break;
        case 4:
                rtw_write32(padapter, addr, data32);
                break;
        default:
                return -EINVAL;
        }

        return 0;
}

static int rtw_wx_read_rf(struct net_device *dev,
                          struct iw_request_info *info,
                          union iwreq_data *wrqu, char *extra)
{
        struct adapter *padapter = rtw_netdev_priv(dev);
        u32 path, addr, data32;


        path = *(u32 *)extra;
        addr = *((u32 *)extra + 1);
        data32 = rtw_hal_read_rfreg(padapter, path, addr, 0xFFFFF);
        /*
         * IMPORTANT!!
         * Only when wireless private ioctl is at odd order,
         * "extra" would be copied to user space.
         */
        sprintf(extra, "0x%05x", data32);

        return 0;
}

static int rtw_wx_write_rf(struct net_device *dev,
                           struct iw_request_info *info,
                           union iwreq_data *wrqu, char *extra)
{
        struct adapter *padapter = rtw_netdev_priv(dev);
        u32 path, addr, data32;


        path = *(u32 *)extra;
        addr = *((u32 *)extra + 1);
        data32 = *((u32 *)extra + 2);
        rtw_hal_write_rfreg(padapter, path, addr, 0xFFFFF, data32);

        return 0;
}

static int rtw_wx_priv_null(struct net_device *dev, struct iw_request_info *a,
                 union iwreq_data *wrqu, char *b)
{
        return -1;
}

static int dummy(struct net_device *dev, struct iw_request_info *a,
                 union iwreq_data *wrqu, char *b)
{
        /* struct adapter *padapter = rtw_netdev_priv(dev); */
        /* struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); */

        return -1;

}

static int rtw_wx_set_channel_plan(struct net_device *dev,
                                   struct iw_request_info *info,
                                   union iwreq_data *wrqu, char *extra)
{
        struct adapter *padapter = rtw_netdev_priv(dev);
        u8 channel_plan_req = (u8)(*((int *)wrqu));

        if (rtw_set_chplan_cmd(padapter, channel_plan_req, 1, 1) != _SUCCESS)
                return -EPERM;

        return 0;
}

static int rtw_wx_set_mtk_wps_probe_ie(struct net_device *dev,
                struct iw_request_info *a,
                union iwreq_data *wrqu, char *b)
{
        return 0;
}

static int rtw_wx_get_sensitivity(struct net_device *dev,
                                struct iw_request_info *info,
                                union iwreq_data *wrqu, char *buf)
{
        return 0;
}

static int rtw_wx_set_mtk_wps_ie(struct net_device *dev,
                                struct iw_request_info *info,
                                union iwreq_data *wrqu, char *extra)
{
        return 0;
}

/*
typedef int (*iw_handler)(struct net_device *dev, struct iw_request_info *info,
                          union iwreq_data *wrqu, char *extra);
*/
/*
 *For all data larger than 16 octets, we need to use a
 *pointer to memory allocated in user space.
 */
static  int rtw_drvext_hdl(struct net_device *dev, struct iw_request_info *info,
                                                union iwreq_data *wrqu, char *extra)
{
        return 0;
}

static int rtw_get_ap_info(struct net_device *dev,
                           struct iw_request_info *info,
                           union iwreq_data *wrqu, char *extra)
{
        int ret = 0;
        int wpa_ielen;
        u32 cnt = 0;
        struct list_head        *plist, *phead;
        unsigned char *pbuf;
        u8 bssid[ETH_ALEN];
        char data[32];
        struct wlan_network *pnetwork = NULL;
        struct adapter *padapter = rtw_netdev_priv(dev);
        struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
        struct __queue *queue = &(pmlmepriv->scanned_queue);
        struct iw_point *pdata = &wrqu->data;

        if ((padapter->bDriverStopped) || (pdata == NULL)) {
                ret = -EINVAL;
                goto exit;
        }

        while ((check_fwstate(pmlmepriv, (_FW_UNDER_SURVEY|_FW_UNDER_LINKING))) == true) {
                msleep(30);
                cnt++;
                if (cnt > 100)
                        break;
        }


        /* pdata->length = 0;? */
        pdata->flags = 0;
        if (pdata->length >= 32) {
                if (copy_from_user(data, pdata->pointer, 32)) {
                        ret = -EINVAL;
                        goto exit;
                }
        } else {
                ret = -EINVAL;
                goto exit;
        }

        spin_lock_bh(&(pmlmepriv->scanned_queue.lock));

        phead = get_list_head(queue);
        list_for_each(plist, phead) {
                pnetwork = list_entry(plist, struct wlan_network, list);

                if (!mac_pton(data, bssid)) {
                        spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
                        return -EINVAL;
                }


                if (!memcmp(bssid, pnetwork->network.MacAddress, ETH_ALEN)) { /* BSSID match, then check if supporting wpa/wpa2 */

                        pbuf = rtw_get_wpa_ie(&pnetwork->network.IEs[12], &wpa_ielen, pnetwork->network.IELength-12);
                        if (pbuf && (wpa_ielen > 0)) {
                                pdata->flags = 1;
                                break;
                        }

                        pbuf = rtw_get_wpa2_ie(&pnetwork->network.IEs[12], &wpa_ielen, pnetwork->network.IELength-12);
                        if (pbuf && (wpa_ielen > 0)) {
                                pdata->flags = 2;
                                break;
                        }
                }

        }

        spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));

        if (pdata->length >= 34) {
                if (copy_to_user((u8 __force __user *)pdata->pointer+32, (u8 *)&pdata->flags, 1)) {
                        ret = -EINVAL;
                        goto exit;
                }
        }

exit:

        return ret;

}

static int rtw_set_pid(struct net_device *dev,
                       struct iw_request_info *info,
                       union iwreq_data *wrqu, char *extra)
{

        int ret = 0;
        struct adapter *padapter = rtw_netdev_priv(dev);
        int *pdata = (int *)wrqu;
        int selector;

        if ((padapter->bDriverStopped) || (pdata == NULL)) {
                ret = -EINVAL;
                goto exit;
        }

        selector = *pdata;
        if (selector < 3 && selector >= 0)
                padapter->pid[selector] = *(pdata+1);

exit:

        return ret;

}

static int rtw_wps_start(struct net_device *dev,
                         struct iw_request_info *info,
                         union iwreq_data *wrqu, char *extra)
{

        int ret = 0;
        struct adapter *padapter = rtw_netdev_priv(dev);
        struct iw_point *pdata = &wrqu->data;
        u32   u32wps_start = 0;

        if ((true == padapter->bDriverStopped) || (true == padapter->bSurpriseRemoved) || (NULL == pdata)) {
                ret = -EINVAL;
                goto exit;
        }

        if (copy_from_user((void *)&u32wps_start, pdata->pointer, 4)) {
                ret = -EFAULT;
                goto exit;
        }
        if (u32wps_start == 0)
                u32wps_start = *extra;

exit:

        return ret;

}

static int rtw_p2p_set(struct net_device *dev,
                       struct iw_request_info *info,
                       union iwreq_data *wrqu, char *extra)
{

        return 0;

}

static int rtw_p2p_get(struct net_device *dev,
                       struct iw_request_info *info,
                       union iwreq_data *wrqu, char *extra)
{

        return 0;

}

static int rtw_p2p_get2(struct net_device *dev,
                                                struct iw_request_info *info,
                                                union iwreq_data *wrqu, char *extra)
{

        return 0;

}

static int rtw_rereg_nd_name(struct net_device *dev,
                             struct iw_request_info *info,
                             union iwreq_data *wrqu, char *extra)
{
        int ret = 0;
        struct adapter *padapter = rtw_netdev_priv(dev);
        struct rereg_nd_name_data *rereg_priv = &padapter->rereg_nd_name_priv;
        char new_ifname[IFNAMSIZ];

        if (rereg_priv->old_ifname[0] == 0) {
                char *reg_ifname;
                reg_ifname = padapter->registrypriv.ifname;

                strncpy(rereg_priv->old_ifname, reg_ifname, IFNAMSIZ);
                rereg_priv->old_ifname[IFNAMSIZ-1] = 0;
        }

        if (wrqu->data.length > IFNAMSIZ)
                return -EFAULT;

        if (copy_from_user(new_ifname, wrqu->data.pointer, IFNAMSIZ))
                return -EFAULT;

        if (0 == strcmp(rereg_priv->old_ifname, new_ifname))
                return ret;

        ret = rtw_change_ifname(padapter, new_ifname);
        if (ret != 0)
                goto exit;

        strncpy(rereg_priv->old_ifname, new_ifname, IFNAMSIZ);
        rereg_priv->old_ifname[IFNAMSIZ-1] = 0;

        if (!memcmp(new_ifname, "disable%d", 9)) {
                /*  free network queue for Android's timming issue */
                rtw_free_network_queue(padapter, true);

                /*  the interface is being "disabled", we can do deeper IPS */
                /* rtw_ips_mode_req(&padapter->pwrctrlpriv, IPS_NORMAL); */
        }
exit:
        return ret;

}

static int rtw_dbg_port(struct net_device *dev,
                        struct iw_request_info *info,
                        union iwreq_data *wrqu, char *extra)
{
        u8 major_cmd, minor_cmd;
        u16 arg;
        u32 extra_arg, *pdata, val32;
        struct adapter *padapter = rtw_netdev_priv(dev);
        struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
        struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);

        pdata = (u32 *)&wrqu->data;

        val32 = *pdata;
        arg = (u16)(val32&0x0000ffff);
        major_cmd = (u8)(val32>>24);
        minor_cmd = (u8)((val32>>16)&0x00ff);

        extra_arg = *(pdata+1);

        switch (major_cmd) {
                case 0x70:/* read_reg */
                        switch (minor_cmd) {
                                case 1:
                                        break;
                                case 2:
                                        break;
                                case 4:
                                        break;
                        }
                        break;
                case 0x71:/* write_reg */
                        switch (minor_cmd) {
                                case 1:
                                        rtw_write8(padapter, arg, extra_arg);
                                        break;
                                case 2:
                                        rtw_write16(padapter, arg, extra_arg);
                                        break;
                                case 4:
                                        rtw_write32(padapter, arg, extra_arg);
                                        break;
                        }
                        break;
                case 0x72:/* read_bb */
                        break;
                case 0x73:/* write_bb */
                        rtw_hal_write_bbreg(padapter, arg, 0xffffffff, extra_arg);
                        break;
                case 0x74:/* read_rf */
                        break;
                case 0x75:/* write_rf */
                        rtw_hal_write_rfreg(padapter, minor_cmd, arg, 0xffffffff, extra_arg);
                        break;

                case 0x76:
                        switch (minor_cmd) {
                                case 0x00: /* normal mode, */
                                        padapter->recvpriv.is_signal_dbg = 0;
                                        break;
                                case 0x01: /* dbg mode */
                                        padapter->recvpriv.is_signal_dbg = 1;
                                        extra_arg = extra_arg > 100 ? 100 : extra_arg;
                                        padapter->recvpriv.signal_strength_dbg = extra_arg;
                                        break;
                        }
                        break;
                case 0x78: /* IOL test */
                        break;
                case 0x79:
                        {
                                /*
                                * dbg 0x79000000 [value], set RESP_TXAGC to + value, value:0~15
                                * dbg 0x79010000 [value], set RESP_TXAGC to - value, value:0~15
                                */
                                u8 value =  extra_arg & 0x0f;
                                u8 sign = minor_cmd;
                                u16 write_value = 0;

                                if (sign)
                                        value = value | 0x10;

                                write_value = value | (value << 5);
                                rtw_write16(padapter, 0x6d9, write_value);
                        }
                        break;
                case 0x7a:
                        receive_disconnect(padapter, pmlmeinfo->network.MacAddress
                                , WLAN_REASON_EXPIRATION_CHK);
                        break;
                case 0x7F:
                        switch (minor_cmd) {
                                case 0x0:
                                        break;
                                case 0x01:
                                        break;
                                case 0x02:
                                        break;
                                case 0x03:
                                        break;
                                case 0x04:

                                        break;
                                case 0x05:
                                        break;
                                case 0x06:
                                        {
                                                u32 ODMFlag;
                                                rtw_hal_get_hwreg(padapter, HW_VAR_DM_FLAG, (u8 *)(&ODMFlag));
                                                ODMFlag = (u32)(0x0f&arg);
                                                rtw_hal_set_hwreg(padapter, HW_VAR_DM_FLAG, (u8 *)(&ODMFlag));
                                        }
                                        break;
                                case 0x07:
                                        break;
                                case 0x08:
                                        {
                                        }
                                        break;
                                case 0x09:
                                        break;
                                case 0x0a:
                                        {
                                                int max_mac_id = 0;
                                                max_mac_id = rtw_search_max_mac_id(padapter);
                                                printk("%s ==> max_mac_id = %d\n", __func__, max_mac_id);
                                        }
                                        break;
                                case 0x0b: /* Enable = 1, Disable = 0 driver control vrtl_carrier_sense. */
                                        if (arg == 0) {
                                                padapter->driver_vcs_en = 0;
                                        } else if (arg == 1) {
                                                padapter->driver_vcs_en = 1;

                                                if (extra_arg > 2)
                                                        padapter->driver_vcs_type = 1;
                                                else
                                                        padapter->driver_vcs_type = extra_arg;
                                        }
                                        break;
                                case 0x0c:/* dump rx/tx packet */
                                        {
                                                if (arg == 0)
                                                        /* pHalData->bDumpRxPkt =extra_arg; */
                                                        rtw_hal_set_def_var(padapter, HAL_DEF_DBG_DUMP_RXPKT, &(extra_arg));
                                                else if (arg == 1)
                                                        rtw_hal_set_def_var(padapter, HAL_DEF_DBG_DUMP_TXPKT, &(extra_arg));
                                        }
                                        break;
                                case 0x0e:
                                        {
                                                if (arg == 0) {
                                                        padapter->driver_rx_ampdu_factor = 0xFF;
                                                } else if (arg == 1) {

                                                        if ((extra_arg & 0x03) > 0x03)
                                                                padapter->driver_rx_ampdu_factor = 0xFF;
                                                        else
                                                                padapter->driver_rx_ampdu_factor = extra_arg;
                                                }
                                        }
                                        break;

                                case 0x10:/*  driver version display */
                                        netdev_dbg(dev, "%s %s\n", "rtl8723bs", DRIVERVERSION);
                                        break;
                                case 0x11:/* dump linked status */
                                        {
                                                 linked_info_dump(padapter, extra_arg);
                                        }
                                        break;
                                case 0x12: /* set rx_stbc */
                                {
                                        struct registry_priv *pregpriv = &padapter->registrypriv;
                                        /*  0: disable, bit(0):enable 2.4g */
                                        /* default is set to enable 2.4GHZ */
                                        if (extra_arg == 0 || extra_arg == 1)
                                                pregpriv->rx_stbc = extra_arg;
                                }
                                break;
                                case 0x13: /* set ampdu_enable */
                                {
                                        struct registry_priv *pregpriv = &padapter->registrypriv;
                                        /*  0: disable, 0x1:enable (but wifi_spec should be 0), 0x2: force enable (don't care wifi_spec) */
                                        if (extra_arg < 3)
                                                pregpriv->ampdu_enable = extra_arg;
                                }
                                break;
                                case 0x14:
                                {
                                }
                                break;
                                case 0x16:
                                {
                                        if (arg == 0xff) {
                                                rtw_odm_dbg_comp_msg(padapter);
                                        } else {
                                                u64 dbg_comp = (u64)extra_arg;
                                                rtw_odm_dbg_comp_set(padapter, dbg_comp);
                                        }
                                }
                                        break;
#ifdef DBG_FIXED_CHAN
                                case 0x17:
                                        {
                                                struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
                                                printk("===>  Fixed channel to %d\n", extra_arg);
                                                pmlmeext->fixed_chan = extra_arg;

                                        }
                                        break;
#endif
                                case 0x18:
                                        {
                                                printk("===>  Switch USB Mode %d\n", extra_arg);
                                                rtw_hal_set_hwreg(padapter, HW_VAR_USB_MODE, (u8 *)&extra_arg);
                                        }
                                        break;
                                case 0x19:
                                        {
                                                struct registry_priv *pregistrypriv = &padapter->registrypriv;
                                                /*  extra_arg : */
                                                /*  BIT0: Enable VHT LDPC Rx, BIT1: Enable VHT LDPC Tx, */
                                                /*  BIT4: Enable HT LDPC Rx, BIT5: Enable HT LDPC Tx */
                                                if (arg == 0)
                                                        pregistrypriv->ldpc_cap = 0x00;
                                                else if (arg == 1)
                                                        pregistrypriv->ldpc_cap = (u8)(extra_arg&0x33);
                                        }
                                        break;
                                case 0x1a:
                                        {
                                                struct registry_priv *pregistrypriv = &padapter->registrypriv;
                                                /*  extra_arg : */
                                                /*  BIT0: Enable VHT STBC Rx, BIT1: Enable VHT STBC Tx, */
                                                /*  BIT4: Enable HT STBC Rx, BIT5: Enable HT STBC Tx */
                                                if (arg == 0)
                                                        pregistrypriv->stbc_cap = 0x00;
                                                else if (arg == 1)
                                                        pregistrypriv->stbc_cap = (u8)(extra_arg&0x33);
                                        }
                                        break;
                                case 0x1b:
                                        {
                                                struct registry_priv *pregistrypriv = &padapter->registrypriv;

                                                if (arg == 0) {
                                                        init_mlme_default_rate_set(padapter);
                                                        pregistrypriv->ht_enable = (u8)rtw_ht_enable;
                                                } else if (arg == 1) {

                                                        int i;
                                                        u8 max_rx_rate;

                                                        max_rx_rate = (u8)extra_arg;

                                                        if (max_rx_rate < 0xc) { /*  max_rx_rate < MSC0 -> B or G -> disable HT */
                                                                pregistrypriv->ht_enable = 0;
                                                                for (i = 0; i < NumRates; i++) {
                                                                        if (pmlmeext->datarate[i] > max_rx_rate)
                                                                                pmlmeext->datarate[i] = 0xff;
                                                                }

                                                        }
                                                        else if (max_rx_rate < 0x1c) { /*  mcs0~mcs15 */
                                                                u32 mcs_bitmap = 0x0;

                                                                for (i = 0; i < ((max_rx_rate + 1) - 0xc); i++)
                                                                        mcs_bitmap |= BIT(i);

                                                                set_mcs_rate_by_mask(pmlmeext->default_supported_mcs_set, mcs_bitmap);
                                                        }
                                                }
                                        }
                                        break;
                                case 0x1c: /* enable/disable driver control AMPDU Density for peer sta's rx */
                                        {
                                                if (arg == 0) {
                                                        padapter->driver_ampdu_spacing = 0xFF;
                                                } else if (arg == 1) {

                                                        if (extra_arg > 0x07)
                                                                padapter->driver_ampdu_spacing = 0xFF;
                                                        else
                                                                padapter->driver_ampdu_spacing = extra_arg;
                                                }
                                        }
                                        break;
                                case 0x23:
                                        {
                                                padapter->bNotifyChannelChange = extra_arg;
                                                break;
                                        }
                                case 0x24:
                                        {
                                                break;
                                        }
                                case 0xaa:
                                        {
                                                if ((extra_arg & 0x7F) > 0x3F)
                                                        extra_arg = 0xFF;
                                                padapter->fix_rate = extra_arg;
                                        }
                                        break;
                                case 0xdd:/* registers dump , 0 for mac reg, 1 for bb reg, 2 for rf reg */
                                        {
                                                if (extra_arg == 0)
                                                        mac_reg_dump(padapter);
                                                else if (extra_arg == 1)
                                                        bb_reg_dump(padapter);
                                                else if (extra_arg == 2)
                                                        rf_reg_dump(padapter);
                                        }
                                        break;

                                case 0xee:/* turn on/off dynamic funcs */
                                        {
                                                u32 odm_flag;

                                                if (0xf == extra_arg) {
                                                        rtw_hal_get_def_var(padapter, HAL_DEF_DBG_DM_FUNC, &odm_flag);
                                                } else {
                                                        /*extra_arg = 0  - disable all dynamic func
                                                                extra_arg = 1  - disable DIG
                                                                extra_arg = 2  - disable tx power tracking
                                                                extra_arg = 3  - turn on all dynamic func
                                                        */
                                                        rtw_hal_set_def_var(padapter, HAL_DEF_DBG_DM_FUNC, &(extra_arg));
                                                        rtw_hal_get_def_var(padapter, HAL_DEF_DBG_DM_FUNC, &odm_flag);
                                                }
                                        }
                                        break;

                                case 0xfd:
                                        rtw_write8(padapter, 0xc50, arg);
                                        rtw_write8(padapter, 0xc58, arg);
                                        break;
                                case 0xfe:
                                        break;
                                case 0xff:
                                        {
                                        }
                                        break;
                        }
                        break;
                default:
                        break;
        }


        return 0;

}

static int wpa_set_param(struct net_device *dev, u8 name, u32 value)
{
        uint ret = 0;
        struct adapter *padapter = rtw_netdev_priv(dev);

        switch (name) {
        case IEEE_PARAM_WPA_ENABLED:

                padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X; /* 802.1x */

                /* ret = ieee80211_wpa_enable(ieee, value); */

                switch ((value)&0xff) {
                case 1: /* WPA */
                        padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPAPSK; /* WPA_PSK */
                        padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
                        break;
                case 2: /* WPA2 */
                        padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPA2PSK; /* WPA2_PSK */
                        padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
                        break;
                }

                break;

        case IEEE_PARAM_TKIP_COUNTERMEASURES:
                /* ieee->tkip_countermeasures =value; */
                break;

        case IEEE_PARAM_DROP_UNENCRYPTED:
        {
                /* HACK:
                 *
                 * wpa_supplicant calls set_wpa_enabled when the driver
                 * is loaded and unloaded, regardless of if WPA is being
                 * used.  No other calls are made which can be used to
                 * determine if encryption will be used or not prior to
                 * association being expected.  If encryption is not being
                 * used, drop_unencrypted is set to false, else true -- we
                 * can use this to determine if the CAP_PRIVACY_ON bit should
                 * be set.
                 */
                break;

        }
        case IEEE_PARAM_PRIVACY_INVOKED:

                /* ieee->privacy_invoked =value; */

                break;

        case IEEE_PARAM_AUTH_ALGS:

                ret = wpa_set_auth_algs(dev, value);

                break;

        case IEEE_PARAM_IEEE_802_1X:

                /* ieee->ieee802_1x =value; */

                break;

        case IEEE_PARAM_WPAX_SELECT:

                /*  added for WPA2 mixed mode */
                /*
                spin_lock_irqsave(&ieee->wpax_suitlist_lock, flags);
                ieee->wpax_type_set = 1;
                ieee->wpax_type_notify = value;
                spin_unlock_irqrestore(&ieee->wpax_suitlist_lock, flags);
                */

                break;

        default:



                ret = -EOPNOTSUPP;


                break;

        }

        return ret;

}

static int wpa_mlme(struct net_device *dev, u32 command, u32 reason)
{
        int ret = 0;
        struct adapter *padapter = rtw_netdev_priv(dev);

        switch (command) {
        case IEEE_MLME_STA_DEAUTH:

                if (!rtw_set_802_11_disassociate(padapter))
                        ret = -1;

                break;

        case IEEE_MLME_STA_DISASSOC:

                if (!rtw_set_802_11_disassociate(padapter))
                        ret = -1;

                break;

        default:
                ret = -EOPNOTSUPP;
                break;
        }

        return ret;

}

static int wpa_supplicant_ioctl(struct net_device *dev, struct iw_point *p)
{
        struct ieee_param *param;
        uint ret = 0;

        /* down(&ieee->wx_sem); */

        if (!p->pointer || p->length != sizeof(struct ieee_param))
                return -EINVAL;

        param = rtw_malloc(p->length);
        if (param == NULL)
                return -ENOMEM;

        if (copy_from_user(param, p->pointer, p->length)) {
                kfree(param);
                return -EFAULT;
        }

        switch (param->cmd) {

        case IEEE_CMD_SET_WPA_PARAM:
                ret = wpa_set_param(dev, param->u.wpa_param.name, param->u.wpa_param.value);
                break;

        case IEEE_CMD_SET_WPA_IE:
                /* ret = wpa_set_wpa_ie(dev, param, p->length); */
                ret =  rtw_set_wpa_ie(rtw_netdev_priv(dev), (char *)param->u.wpa_ie.data, (u16)param->u.wpa_ie.len);
                break;

        case IEEE_CMD_SET_ENCRYPTION:
                ret = wpa_set_encryption(dev, param, p->length);
                break;

        case IEEE_CMD_MLME:
                ret = wpa_mlme(dev, param->u.mlme.command, param->u.mlme.reason_code);
                break;

        default:
                ret = -EOPNOTSUPP;
                break;

        }

        if (ret == 0 && copy_to_user(p->pointer, param, p->length))
                ret = -EFAULT;

        kfree(param);

        /* up(&ieee->wx_sem); */
        return ret;
}

static int rtw_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
{
        int ret = 0;
        u32 wep_key_idx, wep_key_len, wep_total_len;
        struct ndis_802_11_wep   *pwep = NULL;
        struct sta_info *psta = NULL, *pbcmc_sta = NULL;
        struct adapter *padapter = rtw_netdev_priv(dev);
        struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
        struct security_priv *psecuritypriv = &(padapter->securitypriv);
        struct sta_priv *pstapriv = &padapter->stapriv;
        char *txkey = padapter->securitypriv.dot118021XGrptxmickey[param->u.crypt.idx].skey;
        char *rxkey = padapter->securitypriv.dot118021XGrprxmickey[param->u.crypt.idx].skey;
        char *grpkey = psecuritypriv->dot118021XGrpKey[param->u.crypt.idx].skey;

        param->u.crypt.err = 0;
        param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';

        /* sizeof(struct ieee_param) = 64 bytes; */
        /* if (param_len !=  (u32) ((u8 *) param->u.crypt.key - (u8 *) param) + param->u.crypt.key_len) */
        if (param_len !=  sizeof(struct ieee_param) + param->u.crypt.key_len) {
                ret =  -EINVAL;
                goto exit;
        }

        if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
            param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
            param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
                if (param->u.crypt.idx >= WEP_KEYS) {
                        ret = -EINVAL;
                        goto exit;
                }
        } else {
                psta = rtw_get_stainfo(pstapriv, param->sta_addr);
                if (!psta)
                        /* ret = -EINVAL; */
                        goto exit;
        }

        if (strcmp(param->u.crypt.alg, "none") == 0 && (psta == NULL)) {
                /* todo:clear default encryption keys */

                psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
                psecuritypriv->ndisencryptstatus = Ndis802_11EncryptionDisabled;
                psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
                psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;

                goto exit;
        }


        if (strcmp(param->u.crypt.alg, "WEP") == 0 && (psta == NULL)) {
                wep_key_idx = param->u.crypt.idx;
                wep_key_len = param->u.crypt.key_len;

                if ((wep_key_idx >= WEP_KEYS) || (wep_key_len <= 0)) {
                        ret = -EINVAL;
                        goto exit;
                }


                if (wep_key_len > 0) {
                        wep_key_len = wep_key_len <= 5 ? 5 : 13;
                        wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, KeyMaterial);
                        pwep = kzalloc(wep_total_len, GFP_KERNEL);
                        if (!pwep)
                                goto exit;

                        pwep->KeyLength = wep_key_len;
                        pwep->Length = wep_total_len;

                }