/******************************************************************************

  Copyright(c) 2004 Intel Corporation. All rights reserved.

  Portions of this file are based on the WEP enablement code provided by the
  Host AP project hostap-drivers v0.1.3
  Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
  <jkmaline@cc.hut.fi>
  Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>

  This program is free software; you can redistribute it and/or modify it
  under the terms of version 2 of the GNU General Public License as
  published by the Free Software Foundation.

  This program is distributed in the hope that it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  more details.

  You should have received a copy of the GNU General Public License along with
  this program; if not, write to the Free Software Foundation, Inc., 59
  Temple Place - Suite 330, Boston, MA  02111-1307, USA.

  The full GNU General Public License is included in this distribution in the
  file called LICENSE.

  Contact Information:
  James P. Ketrenos <ipw2100-admin@linux.intel.com>
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

******************************************************************************/
#include <linux/wireless.h>
#include <linux/kmod.h>
#include <linux/slab.h>
#include <linux/module.h>

#include "ieee80211.h"
static const char *ieee80211_modes[] = {
        "?", "a", "b", "ab", "g", "ag", "bg", "abg"
};

#define MAX_CUSTOM_LEN 64
static inline char *rtl818x_translate_scan(struct ieee80211_device *ieee,
                                           char *start, char *stop,
                                           struct ieee80211_network *network,
                                           struct iw_request_info *info)
{
        char custom[MAX_CUSTOM_LEN];
        char *p;
        struct iw_event iwe;
        int i, j;
        u8 max_rate, rate;

        /* First entry *MUST* be the AP MAC address */
        iwe.cmd = SIOCGIWAP;
        iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
        memcpy(iwe.u.ap_addr.sa_data, network->bssid, ETH_ALEN);
        start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_ADDR_LEN);

        /* Remaining entries will be displayed in the order we provide them */

        /* Add the ESSID */
        iwe.cmd = SIOCGIWESSID;
        iwe.u.data.flags = 1;
        //YJ,modified,080903,for hidden ap
        //if (network->flags & NETWORK_EMPTY_ESSID) {
        if (network->ssid_len == 0) {
        //YJ,modified,080903,end
                iwe.u.data.length = sizeof("<hidden>");
                start = iwe_stream_add_point(info, start, stop, &iwe, "<hidden>");
        } else {
                iwe.u.data.length = min(network->ssid_len, (u8)32);
                start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid);
        }
        //printk("ESSID: %s\n",network->ssid);
        /* Add the protocol name */
        iwe.cmd = SIOCGIWNAME;
        snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11%s", ieee80211_modes[network->mode]);
        start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_CHAR_LEN);

        /* Add mode */
        iwe.cmd = SIOCGIWMODE;
        if (network->capability &
            (WLAN_CAPABILITY_BSS | WLAN_CAPABILITY_IBSS)) {
                if (network->capability & WLAN_CAPABILITY_BSS)
                        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);
        }

        /* Add frequency/channel */
        iwe.cmd = SIOCGIWFREQ;
/*      iwe.u.freq.m = ieee80211_frequency(network->channel, network->mode);
        iwe.u.freq.e = 3; */
        iwe.u.freq.m = network->channel;
        iwe.u.freq.e = 0;
        iwe.u.freq.i = 0;
        start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_FREQ_LEN);

        /* Add encryption capability */
        iwe.cmd = SIOCGIWENCODE;
        if (network->capability & 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, network->ssid);

        /* Add basic and extended rates */
        max_rate = 0;
        p = custom;
        p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), " Rates (Mb/s): ");
        for (i = 0, j = 0; i < network->rates_len; ) {
                if (j < network->rates_ex_len &&
                    ((network->rates_ex[j] & 0x7F) <
                     (network->rates[i] & 0x7F)))
                        rate = network->rates_ex[j++] & 0x7F;
                else
                        rate = network->rates[i++] & 0x7F;
                if (rate > max_rate)
                        max_rate = rate;
                p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
                              "%d%s ", rate >> 1, (rate & 1) ? ".5" : "");
        }
        for (; j < network->rates_ex_len; j++) {
                rate = network->rates_ex[j] & 0x7F;
                p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
                              "%d%s ", rate >> 1, (rate & 1) ? ".5" : "");
                if (rate > max_rate)
                        max_rate = rate;
        }

        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);

        iwe.cmd = IWEVCUSTOM;
        iwe.u.data.length = p - custom;
        if (iwe.u.data.length)
                start = iwe_stream_add_point(info, start, stop, &iwe, custom);

        /* Add quality statistics */
        /* TODO: Fix these values... */
        if (network->stats.signal == 0 || network->stats.rssi == 0)
        printk("========>signal:%d, rssi:%d\n", network->stats.signal, network->stats.rssi);
        iwe.cmd = IWEVQUAL;
//      printk("SIGNAL: %d,RSSI: %d,NOISE: %d\n",network->stats.signal,network->stats.rssi,network->stats.noise);
        iwe.u.qual.qual = network->stats.signalstrength;
        iwe.u.qual.level = network->stats.signal;
        iwe.u.qual.noise = network->stats.noise;
        iwe.u.qual.updated = network->stats.mask & IEEE80211_STATMASK_WEMASK;
        if (!(network->stats.mask & IEEE80211_STATMASK_RSSI))
                iwe.u.qual.updated |= IW_QUAL_LEVEL_INVALID;
        if (!(network->stats.mask & IEEE80211_STATMASK_NOISE))
                iwe.u.qual.updated |= IW_QUAL_NOISE_INVALID;
        if (!(network->stats.mask & IEEE80211_STATMASK_SIGNAL))
                iwe.u.qual.updated |= IW_QUAL_QUAL_INVALID;
        iwe.u.qual.updated = 7;
        start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_QUAL_LEN);

        iwe.cmd = IWEVCUSTOM;
        p = custom;

        iwe.u.data.length = p - custom;
        if (iwe.u.data.length)
                start = iwe_stream_add_point(info, start, stop, &iwe, custom);

        memset(&iwe, 0, sizeof(iwe));
        if (network->wpa_ie_len) {
        //      printk("wpa_ie_len:%d\n", network->wpa_ie_len);
                char buf[MAX_WPA_IE_LEN];
                memcpy(buf, network->wpa_ie, network->wpa_ie_len);
                iwe.cmd = IWEVGENIE;
                iwe.u.data.length = network->wpa_ie_len;
                start = iwe_stream_add_point(info, start, stop, &iwe, buf);
        }

        memset(&iwe, 0, sizeof(iwe));
        if (network->rsn_ie_len) {
        //      printk("=====>rsn_ie_len:\n", network->rsn_ie_len);
                char buf[MAX_WPA_IE_LEN];
                memcpy(buf, network->rsn_ie, network->rsn_ie_len);
                iwe.cmd = IWEVGENIE;
                iwe.u.data.length = network->rsn_ie_len;
                start = iwe_stream_add_point(info, start, stop, &iwe, buf);
        }

        /* Add EXTRA: Age to display seconds since last beacon/probe response
         * for given network. */
        iwe.cmd = IWEVCUSTOM;
        p = custom;
        p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
                      " Last beacon: %lums ago", (jiffies - network->last_scanned) / (HZ / 100));
        iwe.u.data.length = p - custom;
        if (iwe.u.data.length)
                start = iwe_stream_add_point(info, start, stop, &iwe, custom);

        return start;
}

int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
                          struct iw_request_info *info,
                          union iwreq_data *wrqu, char *extra)
{
        struct ieee80211_network *network;
        unsigned long flags;
        int err = 0;
        char *ev = extra;
        char *stop = ev + wrqu->data.length;//IW_SCAN_MAX_DATA;
        //char *stop = ev + IW_SCAN_MAX_DATA;
        int i = 0;

        IEEE80211_DEBUG_WX("Getting scan\n");
        down(&ieee->wx_sem);
        spin_lock_irqsave(&ieee->lock, flags);

        if (!ieee->bHwRadioOff) {
                list_for_each_entry(network, &ieee->network_list, list) {
                        i++;

                        if ((stop-ev) < 200) {
                                err = -E2BIG;
                                break;
                        }
                        if (ieee->scan_age == 0 ||
                            time_after(network->last_scanned + ieee->scan_age, jiffies)) {
                                ev = rtl818x_translate_scan(ieee, ev, stop, network, info);
                        } else
                                IEEE80211_DEBUG_SCAN(
                                        "Not showing network '%s ("
                                        "%pM)' due to age (%lums).\n",
                                        escape_essid(network->ssid,
                                                     network->ssid_len),
                                        network->bssid,
                                        (jiffies - network->last_scanned) / (HZ / 100));
                }
        }
        spin_unlock_irqrestore(&ieee->lock, flags);
        up(&ieee->wx_sem);
        wrqu->data.length = ev -  extra;
        wrqu->data.flags = 0;
        IEEE80211_DEBUG_WX("exit: %d networks returned.\n", i);

        return err;
}

int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
                            struct iw_request_info *info,
                            union iwreq_data *wrqu, char *keybuf)
{
        struct iw_point *erq = &(wrqu->encoding);
        struct net_device *dev = ieee->dev;
        struct ieee80211_security sec = {
                .flags = 0
        };
        int i, key, key_provided, len;
        struct ieee80211_crypt_data **crypt;

        IEEE80211_DEBUG_WX("SET_ENCODE\n");

        key = erq->flags & IW_ENCODE_INDEX;
        if (key) {
                if (key > WEP_KEYS)
                        return -EINVAL;
                key--;
                key_provided = 1;
        } else {
                key_provided = 0;
                key = ieee->tx_keyidx;
        }

        IEEE80211_DEBUG_WX("Key: %d [%s]\n", key, key_provided ?
                           "provided" : "default");

        crypt = &ieee->crypt[key];

        if (erq->flags & IW_ENCODE_DISABLED) {
                if (key_provided && *crypt) {
                        IEEE80211_DEBUG_WX("Disabling encryption on key %d.\n",
                                           key);
                        ieee80211_crypt_delayed_deinit(ieee, crypt);
                } else
                        IEEE80211_DEBUG_WX("Disabling encryption.\n");

                /* Check all the keys to see if any are still configured,
                 * and if no key index was provided, de-init them all */
                for (i = 0; i < WEP_KEYS; i++) {
                        if (ieee->crypt[i] != NULL) {
                                if (key_provided)
                                        break;
                                ieee80211_crypt_delayed_deinit(
                                        ieee, &ieee->crypt[i]);
                        }
                }

                if (i == WEP_KEYS) {
                        sec.enabled = 0;
                        sec.level = SEC_LEVEL_0;
                        sec.flags |= SEC_ENABLED | SEC_LEVEL;
                }

                goto done;
        }



        sec.enabled = 1;
        sec.flags |= SEC_ENABLED;

        if (*crypt != NULL && (*crypt)->ops != NULL &&
            strcmp((*crypt)->ops->name, "WEP") != 0) {
                /* changing to use WEP; deinit previously used algorithm
                 * on this key */
                ieee80211_crypt_delayed_deinit(ieee, crypt);
        }

        if (*crypt == NULL) {
                struct ieee80211_crypt_data *new_crypt;

                /* take WEP into use */
                new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data),
                                    GFP_KERNEL);
                if (new_crypt == NULL)
                        return -ENOMEM;
                new_crypt->ops = ieee80211_get_crypto_ops("WEP");
                if (!new_crypt->ops)
                        new_crypt->ops = ieee80211_get_crypto_ops("WEP");

                if (new_crypt->ops)
                        new_crypt->priv = new_crypt->ops->init(key);

                if (!new_crypt->ops || !new_crypt->priv) {
                        kfree(new_crypt);
                        new_crypt = NULL;

                        netdev_warn(ieee->dev,
                                    "could not initialize WEP: load module ieee80211_crypt_wep\n");
                        return -EOPNOTSUPP;
                }
                *crypt = new_crypt;
        }

        /* If a new key was provided, set it up */
        if (erq->length > 0) {
                len = erq->length <= 5 ? 5 : 13;
                memcpy(sec.keys[key], keybuf, erq->length);
                if (len > erq->length)
                        memset(sec.keys[key] + erq->length, 0,
                               len - erq->length);
                IEEE80211_DEBUG_WX("Setting key %d to '%s' (%d:%d bytes)\n",
                                   key, escape_essid(sec.keys[key], len),
                                   erq->length, len);
                sec.key_sizes[key] = len;
                (*crypt)->ops->set_key(sec.keys[key], len, NULL,
                                       (*crypt)->priv);
                sec.flags |= (1 << key);
                /* This ensures a key will be activated if no key is
                 * explicitly set */
                if (key == sec.active_key)
                        sec.flags |= SEC_ACTIVE_KEY;
                ieee->tx_keyidx = key;//by wb 080312
        } else {
                len = (*crypt)->ops->get_key(sec.keys[key], WEP_KEY_LEN,
                                             NULL, (*crypt)->priv);
                if (len == 0) {
                        /* Set a default key of all 0 */
                        IEEE80211_DEBUG_WX("Setting key %d to all zero.\n",
                                           key);
                        memset(sec.keys[key], 0, 13);
                        (*crypt)->ops->set_key(sec.keys[key], 13, NULL,
                                               (*crypt)->priv);
                        sec.key_sizes[key] = 13;
                        sec.flags |= (1 << key);
                }

                /* No key data - just set the default TX key index */
                if (key_provided) {
                        IEEE80211_DEBUG_WX(
                                "Setting key %d to default Tx key.\n", key);
                        ieee->tx_keyidx = key;
                        sec.active_key = key;
                        sec.flags |= SEC_ACTIVE_KEY;
                }
        }

 done:
        ieee->open_wep = !(erq->flags & IW_ENCODE_RESTRICTED);
        sec.auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
        sec.flags |= SEC_AUTH_MODE;
        IEEE80211_DEBUG_WX("Auth: %s\n", sec.auth_mode == WLAN_AUTH_OPEN ?
                           "OPEN" : "SHARED KEY");

        /* For now we just support WEP, so only set that security level...
         * TODO: When WPA is added this is one place that needs to change */
        sec.flags |= SEC_LEVEL;
        sec.level = SEC_LEVEL_1; /* 40 and 104 bit WEP */

        if (ieee->set_security)
                ieee->set_security(dev, &sec);

        /* Do not reset port if card is in Managed mode since resetting will
         * generate new IEEE 802.11 authentication which may end up in looping
         * with IEEE 802.1X.  If your hardware requires a reset after WEP
         * configuration (for example... Prism2), implement the reset_port in
         * the callbacks structures used to initialize the 802.11 stack. */
        if (ieee->reset_on_keychange &&
            ieee->iw_mode != IW_MODE_INFRA &&
            ieee->reset_port && ieee->reset_port(dev)) {
                netdev_dbg(ieee->dev, "reset_port failed\n");
                return -EINVAL;
        }
        return 0;
}

int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
                            struct iw_request_info *info,
                            union iwreq_data *wrqu, char *keybuf)
{
        struct iw_point *erq = &(wrqu->encoding);
        int len, key;
        struct ieee80211_crypt_data *crypt;

        IEEE80211_DEBUG_WX("GET_ENCODE\n");

        if (ieee->iw_mode == IW_MODE_MONITOR)
                return -1;

        key = erq->flags & IW_ENCODE_INDEX;
        if (key) {
                if (key > WEP_KEYS)
                        return -EINVAL;
                key--;
        } else
                key = ieee->tx_keyidx;

        crypt = ieee->crypt[key];
        erq->flags = key + 1;

        if (crypt == NULL || crypt->ops == NULL) {
                erq->length = 0;
                erq->flags |= IW_ENCODE_DISABLED;
                return 0;
        }

        if (strcmp(crypt->ops->name, "WEP") != 0) {
                /* only WEP is supported with wireless extensions, so just
                 * report that encryption is used */
                erq->length = 0;
                erq->flags |= IW_ENCODE_ENABLED;
                return 0;
        }

        len = crypt->ops->get_key(keybuf, WEP_KEY_LEN, NULL, crypt->priv);
        erq->length = (len >= 0 ? len : 0);

        erq->flags |= IW_ENCODE_ENABLED;

        if (ieee->open_wep)
                erq->flags |= IW_ENCODE_OPEN;
        else
                erq->flags |= IW_ENCODE_RESTRICTED;

        return 0;
}

int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
                                struct iw_request_info *info,
                                union iwreq_data *wrqu, char *extra)
{
        struct net_device *dev = ieee->dev;
        struct iw_point *encoding = &wrqu->encoding;
        struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
        int i, idx, ret = 0;
        int group_key = 0;
        const char *alg;
        struct ieee80211_crypto_ops *ops;
        struct ieee80211_crypt_data **crypt;

        struct ieee80211_security sec = {
                .flags = 0,
        };
        //printk("======>encoding flag:%x,ext flag:%x, ext alg:%d\n", encoding->flags,ext->ext_flags, ext->alg);
        idx = encoding->flags & IW_ENCODE_INDEX;
        if (idx) {
                if (idx < 1 || idx > WEP_KEYS)
                        return -EINVAL;
                idx--;
        } else
                idx = ieee->tx_keyidx;

        if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
                crypt = &ieee->crypt[idx];
                group_key = 1;
        } else {
                /* some Cisco APs use idx>0 for unicast in dynamic WEP */
                //printk("not group key, flags:%x, ext->alg:%d\n", ext->ext_flags, ext->alg);
                if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP)
                        return -EINVAL;
                if (ieee->iw_mode == IW_MODE_INFRA)
                        crypt = &ieee->crypt[idx];
                else
                        return -EINVAL;
        }

        sec.flags |= SEC_ENABLED;// | SEC_ENCRYPT;
        if ((encoding->flags & IW_ENCODE_DISABLED) ||
            ext->alg == IW_ENCODE_ALG_NONE) {
                if (*crypt)
                        ieee80211_crypt_delayed_deinit(ieee, crypt);

                for (i = 0; i < WEP_KEYS; i++)
                        if (ieee->crypt[i] != NULL)
                                break;

                if (i == WEP_KEYS) {
                        sec.enabled = 0;
                        // sec.encrypt = 0;
                        sec.level = SEC_LEVEL_0;
                        sec.flags |= SEC_LEVEL;
                }
                //printk("disabled: flag:%x\n", encoding->flags);
                goto done;
        }

        sec.enabled = 1;
    //    sec.encrypt = 1;

        switch (ext->alg) {
        case IW_ENCODE_ALG_WEP:
                alg = "WEP";
                break;
        case IW_ENCODE_ALG_TKIP:
                alg = "TKIP";
                break;
        case IW_ENCODE_ALG_CCMP:
                alg = "CCMP";
                break;
        default:
                IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
                                   dev->name, ext->alg);
                ret = -EINVAL;
                goto done;
        }
//      printk("8-09-08-9=====>%s, alg name:%s\n",__func__, alg);

        ops = ieee80211_get_crypto_ops(alg);
        if (ops == NULL)
                ops = ieee80211_get_crypto_ops(alg);
        if (ops == NULL) {
                IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
                                   dev->name, ext->alg);
                printk("========>unknown crypto alg %d\n", ext->alg);
                ret = -EINVAL;
                goto done;
        }

        if (*crypt == NULL || (*crypt)->ops != ops) {
                struct ieee80211_crypt_data *new_crypt;

                ieee80211_crypt_delayed_deinit(ieee, crypt);

                new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL);
                if (new_crypt == NULL) {
                        ret = -ENOMEM;
                        goto done;
                }
                new_crypt->ops = ops;
                if (new_crypt->ops)
                        new_crypt->priv = new_crypt->ops->init(idx);
                if (new_crypt->priv == NULL) {
                        kfree(new_crypt);
                        ret = -EINVAL;
                        goto done;
                }
                *crypt = new_crypt;

        }

        if (ext->key_len > 0 && (*crypt)->ops->set_key &&
            (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
                                   (*crypt)->priv) < 0) {
                IEEE80211_DEBUG_WX("%s: key setting failed\n", dev->name);
                printk("key setting failed\n");
                ret = -EINVAL;
                goto done;
        }
#if 1
 //skip_host_crypt:
        //printk("skip_host_crypt:ext_flags:%x\n", ext->ext_flags);
        if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
                ieee->tx_keyidx = idx;
                sec.active_key = idx;
                sec.flags |= SEC_ACTIVE_KEY;
        }

        if (ext->alg != IW_ENCODE_ALG_NONE) {
                memcpy(sec.keys[idx], ext->key, ext->key_len);
                sec.key_sizes[idx] = ext->key_len;
                sec.flags |= (1 << idx);
                if (ext->alg == IW_ENCODE_ALG_WEP) {
                      //  sec.encode_alg[idx] = SEC_ALG_WEP;
                        sec.flags |= SEC_LEVEL;
                        sec.level = SEC_LEVEL_1;
                } else if (ext->alg == IW_ENCODE_ALG_TKIP) {
                      //  sec.encode_alg[idx] = SEC_ALG_TKIP;
                        sec.flags |= SEC_LEVEL;
                        sec.level = SEC_LEVEL_2;
                } else if (ext->alg == IW_ENCODE_ALG_CCMP) {
                       // sec.encode_alg[idx] = SEC_ALG_CCMP;
                        sec.flags |= SEC_LEVEL;
                        sec.level = SEC_LEVEL_3;
                }
                /* Don't set sec level for group keys. */
                if (group_key)
                        sec.flags &= ~SEC_LEVEL;
        }
#endif
done:
        if (ieee->set_security)
                ieee->set_security(ieee->dev, &sec);

         if (ieee->reset_on_keychange &&
            ieee->iw_mode != IW_MODE_INFRA &&
            ieee->reset_port && ieee->reset_port(dev)) {
                IEEE80211_DEBUG_WX("%s: reset_port failed\n", dev->name);
                return -EINVAL;
        }

        return ret;
}
int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
                               struct iw_request_info *info,
                               union iwreq_data *wrqu, char *extra)
{
        struct iw_mlme *mlme = (struct iw_mlme *) extra;
//      printk("\ndkgadfslkdjgalskdf===============>%s(), cmd:%x\n", __func__, mlme->cmd);
#if 1
        switch (mlme->cmd) {
        case IW_MLME_DEAUTH:
        case IW_MLME_DISASSOC:
        //      printk("disassoc now\n");
                ieee80211_disassociate(ieee);
                break;
         default:
                return -EOPNOTSUPP;
        }
#endif
        return 0;
}

int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
                               struct iw_request_info *info,
                               struct iw_param *data, char *extra)
{
/*
         struct ieee80211_security sec = {
                .flags = SEC_AUTH_MODE,
        }
*/
        //printk("set auth:flag:%x, data value:%x\n", data->flags, data->value);
        switch (data->flags & IW_AUTH_INDEX) {
        case IW_AUTH_WPA_VERSION:
             /*need to support wpa2 here*/
                //printk("wpa version:%x\n", data->value);
                break;
        case IW_AUTH_CIPHER_PAIRWISE:
        case IW_AUTH_CIPHER_GROUP:
        case IW_AUTH_KEY_MGMT:
                /*
 *                  * Host AP driver does not use these parameters and allows
 *                                   * wpa_supplicant to control them internally.
 *                                                    */
                break;
        case IW_AUTH_TKIP_COUNTERMEASURES:
                ieee->tkip_countermeasures = data->value;
                break;
        case IW_AUTH_DROP_UNENCRYPTED:
                ieee->drop_unencrypted = data->value;
                break;

        case IW_AUTH_80211_AUTH_ALG:
                ieee->open_wep = (data->value&IW_AUTH_ALG_OPEN_SYSTEM) ? 1 : 0;
                //printk("open_wep:%d\n", ieee->open_wep);
                break;

#if 1
        case IW_AUTH_WPA_ENABLED:
                ieee->wpa_enabled = (data->value) ? 1 : 0;
                //printk("enable wpa:%d\n", ieee->wpa_enabled);
                break;

#endif
        case IW_AUTH_RX_UNENCRYPTED_EAPOL:
                ieee->ieee802_1x = data->value;
                break;
        case IW_AUTH_PRIVACY_INVOKED:
                ieee->privacy_invoked = data->value;
                break;
        default:
                return -EOPNOTSUPP;
        }
        return 0;
}

#if 1
int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len)
{
        u8 *buf = NULL;

        if (len > MAX_WPA_IE_LEN || (len && ie == NULL)) {
                printk("return error out, len:%zu\n", len);
        return -EINVAL;
        }

        if (len) {
                if (len != ie[1]+2) {
                        printk("len:%zu, ie:%d\n", len, ie[1]);
                        return -EINVAL;
                }
                buf = kmemdup(ie, len, GFP_KERNEL);
                if (buf == NULL)
                        return -ENOMEM;
                kfree(ieee->wpa_ie);
                ieee->wpa_ie = buf;
                ieee->wpa_ie_len = len;
        } else {
                kfree(ieee->wpa_ie);
                ieee->wpa_ie = NULL;
                ieee->wpa_ie_len = 0;
        }
//      printk("<=====out %s()\n", __func__);

        return 0;

}
#endif