Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / staging / rtl8192u / ieee80211 / ieee80211_wx.c
diff --git a/kernel/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c b/kernel/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c
new file mode 100644 (file)
index 0000000..ae1b3cf
--- /dev/null
@@ -0,0 +1,852 @@
+/******************************************************************************
+
+  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"
+struct modes_unit {
+       char *mode_string;
+       int mode_size;
+};
+static struct modes_unit ieee80211_modes[] = {
+       {"a", 1},
+       {"b", 1},
+       {"g", 1},
+       {"?", 1},
+       {"N-24G", 5},
+       {"N-5G", 4},
+};
+
+#define iwe_stream_add_event_rsl iwe_stream_add_event
+
+#define MAX_CUSTOM_LEN 64
+static inline char *rtl819x_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 proto_name[IFNAMSIZ];
+       char *pname = proto_name;
+       char *p;
+       struct iw_event iwe;
+       int i, j;
+       u16 max_rate, rate;
+       static u8       EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
+
+       /* 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_rsl(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;
+//     if (network->flags & NETWORK_EMPTY_ESSID) {
+       if (network->ssid_len == 0) {
+               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);
+       }
+       /* Add the protocol name */
+       iwe.cmd = SIOCGIWNAME;
+       for(i=0; i<ARRAY_SIZE(ieee80211_modes); i++) {
+               if(network->mode&(1<<i)) {
+                       sprintf(pname,ieee80211_modes[i].mode_string,ieee80211_modes[i].mode_size);
+                       pname +=ieee80211_modes[i].mode_size;
+               }
+       }
+       *pname = '\0';
+       snprintf(iwe.u.name, IFNAMSIZ, "IEEE802.11%s", proto_name);
+       start = iwe_stream_add_event_rsl(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_rsl(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_rsl(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;
+       }
+
+       if (network->mode >= IEEE_N_24G)//add N rate here;
+       {
+               PHT_CAPABILITY_ELE ht_cap = NULL;
+               bool is40M = false, isShortGI = false;
+               u8 max_mcs = 0;
+               if (!memcmp(network->bssht.bdHTCapBuf, EWC11NHTCap, 4))
+                       ht_cap = (PHT_CAPABILITY_ELE)&network->bssht.bdHTCapBuf[4];
+               else
+                       ht_cap = (PHT_CAPABILITY_ELE)&network->bssht.bdHTCapBuf[0];
+               is40M = (ht_cap->ChlWidth)?1:0;
+               isShortGI = (ht_cap->ChlWidth)?
+                                               ((ht_cap->ShortGI40Mhz)?1:0):
+                                               ((ht_cap->ShortGI20Mhz)?1:0);
+
+               max_mcs = HTGetHighestMCSRate(ieee, ht_cap->MCS, MCS_FILTER_ALL);
+               rate = MCS_DATA_RATE[is40M][isShortGI][max_mcs&0x7f];
+               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_rsl(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... */
+       iwe.cmd = IWEVQUAL;
+       iwe.u.qual.qual = network->stats.signal;
+       iwe.u.qual.level = network->stats.rssi;
+       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_rsl(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);
+
+       if (ieee->wpa_enabled && network->wpa_ie_len){
+               char buf[MAX_WPA_IE_LEN * 2 + 30];
+       //      printk("WPA IE\n");
+               u8 *p = buf;
+               p += sprintf(p, "wpa_ie=");
+               for (i = 0; i < network->wpa_ie_len; i++) {
+                       p += sprintf(p, "%02x", network->wpa_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);
+       }
+
+       if (ieee->wpa_enabled && network->rsn_ie_len){
+               char buf[MAX_WPA_IE_LEN * 2 + 30];
+
+               u8 *p = buf;
+               p += sprintf(p, "rsn_ie=");
+               for (i = 0; i < network->rsn_ie_len; i++) {
+                       p += sprintf(p, "%02x", network->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);
+       }
+
+
+       /* 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;
+
+       char *ev = extra;
+//     char *stop = ev + IW_SCAN_MAX_DATA;
+       char *stop = ev + wrqu->data.length;//IW_SCAN_MAX_DATA;
+       //char *stop = ev + IW_SCAN_MAX_DATA;
+       int i = 0;
+       int err = 0;
+       IEEE80211_DEBUG_WX("Getting scan\n");
+       down(&ieee->wx_sem);
+       spin_lock_irqsave(&ieee->lock, flags);
+
+       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 = rtl819x_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;
+}
+EXPORT_SYMBOL(ieee80211_wx_get_scan);
+
+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) {
+                       request_module("ieee80211_crypt_wep");
+                       new_crypt->ops = ieee80211_get_crypto_ops("WEP");
+               }
+               if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
+                       new_crypt->priv = new_crypt->ops->init(key);
+
+               if (!new_crypt->ops || !new_crypt->priv) {
+                       kfree(new_crypt);
+                       new_crypt = NULL;
+
+                       printk(KERN_WARNING "%s: could not initialize WEP: "
+                              "load module ieee80211_crypt_wep\n",
+                              dev->name);
+                       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
+                * explicitely set */
+               if (key == sec.active_key)
+                       sec.flags |= SEC_ACTIVE_KEY;
+               ieee->tx_keyidx = key;
+
+       } 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 */
+                       printk("Setting key %d to all zero.\n",
+                                          key);
+
+                       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);
+       ieee->auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
+       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)) {
+               printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
+               return -EINVAL;
+       }
+       return 0;
+}
+EXPORT_SYMBOL(ieee80211_wx_set_encode);
+
+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;
+       }
+       len = crypt->ops->get_key(keybuf, SCM_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;
+}
+EXPORT_SYMBOL(ieee80211_wx_get_encode);
+
+int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
+                              struct iw_request_info *info,
+                              union iwreq_data *wrqu, char *extra)
+{
+       int ret = 0;
+       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;
+       int group_key = 0;
+       const char *alg, *module;
+       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";
+               module = "ieee80211_crypt_wep";
+               break;
+       case IW_ENCODE_ALG_TKIP:
+               alg = "TKIP";
+               module = "ieee80211_crypt_tkip";
+               break;
+       case IW_ENCODE_ALG_CCMP:
+               alg = "CCMP";
+               module = "ieee80211_crypt_ccmp";
+               break;
+       default:
+               IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
+                                  dev->name, ext->alg);
+               ret = -EINVAL;
+               goto done;
+       }
+       printk("alg name:%s\n",alg);
+
+        ops = ieee80211_get_crypto_ops(alg);
+       if (ops == NULL) {
+               request_module(module);
+               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 && try_module_get(new_crypt->ops->owner))
+                       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;
+       }
+ //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;
+       }
+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;
+}
+EXPORT_SYMBOL(ieee80211_wx_set_encode_ext);
+
+int ieee80211_wx_get_encode_ext(struct ieee80211_device *ieee,
+                              struct iw_request_info *info,
+                              union iwreq_data *wrqu, char *extra)
+{
+       struct iw_point *encoding = &wrqu->encoding;
+       struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
+       struct ieee80211_crypt_data *crypt;
+       int idx, max_key_len;
+
+       max_key_len = encoding->length - sizeof(*ext);
+       if (max_key_len < 0)
+               return -EINVAL;
+
+       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) &&
+           ext->alg != IW_ENCODE_ALG_WEP)
+               if (idx != 0 || ieee->iw_mode != IW_MODE_INFRA)
+                       return -EINVAL;
+
+       crypt = ieee->crypt[idx];
+       encoding->flags = idx + 1;
+       memset(ext, 0, sizeof(*ext));
+
+       if (crypt == NULL || crypt->ops == NULL ) {
+               ext->alg = IW_ENCODE_ALG_NONE;
+               ext->key_len = 0;
+               encoding->flags |= IW_ENCODE_DISABLED;
+       } else {
+               if (strcmp(crypt->ops->name, "WEP") == 0 )
+                       ext->alg = IW_ENCODE_ALG_WEP;
+               else if (strcmp(crypt->ops->name, "TKIP"))
+                       ext->alg = IW_ENCODE_ALG_TKIP;
+               else if (strcmp(crypt->ops->name, "CCMP"))
+                       ext->alg = IW_ENCODE_ALG_CCMP;
+               else
+                       return -EINVAL;
+               ext->key_len = crypt->ops->get_key(ext->key, SCM_KEY_LEN, NULL, crypt->priv);
+               encoding->flags |= IW_ENCODE_ENABLED;
+               if (ext->key_len &&
+                   (ext->alg == IW_ENCODE_ALG_TKIP ||
+                    ext->alg == IW_ENCODE_ALG_CCMP))
+                       ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
+
+       }
+
+       return 0;
+}
+EXPORT_SYMBOL(ieee80211_wx_get_encode_ext);
+
+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;
+       switch (mlme->cmd) {
+       case IW_MLME_DEAUTH:
+       case IW_MLME_DISASSOC:
+               ieee80211_disassociate(ieee);
+               break;
+       default:
+               return -EOPNOTSUPP;
+       }
+       return 0;
+}
+EXPORT_SYMBOL(ieee80211_wx_set_mlme);
+
+int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
+                              struct iw_request_info *info,
+                              struct iw_param *data, char *extra)
+{
+       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:
+               //printk("======>%s():data->value is %d\n",__func__,data->value);
+       //      ieee->open_wep = (data->value&IW_AUTH_ALG_OPEN_SYSTEM)?1:0;
+               if(data->value & IW_AUTH_ALG_SHARED_KEY){
+                       ieee->open_wep = 0;
+                       ieee->auth_mode = 1;
+               }
+               else if(data->value & IW_AUTH_ALG_OPEN_SYSTEM){
+                       ieee->open_wep = 1;
+                       ieee->auth_mode = 0;
+               }
+               else if(data->value & IW_AUTH_ALG_LEAP){
+                       ieee->open_wep = 1;
+                       ieee->auth_mode = 2;
+                       //printk("hahahaa:LEAP\n");
+               }
+               else
+                       return -EINVAL;
+               //printk("open_wep:%d\n", ieee->open_wep);
+               break;
+
+       case IW_AUTH_WPA_ENABLED:
+               ieee->wpa_enabled = (data->value)?1:0;
+               //printk("enalbe wpa:%d\n", ieee->wpa_enabled);
+               break;
+
+       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;
+}
+EXPORT_SYMBOL(ieee80211_wx_set_auth);
+
+int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len)
+{
+       u8 *buf;
+
+       if (len>MAX_WPA_IE_LEN || (len && ie == NULL))
+       {
+       //      printk("return error out, len:%d\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;
+       }
+       return 0;
+
+}
+EXPORT_SYMBOL(ieee80211_wx_set_gen_ie);