drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c

   1 /*
   2  *  Copyright(c) 2004 Intel Corporation. All rights reserved.
   3  *
   4  * Portions of this file are based on the WEP enablement code provided by the
   5  * Host AP project hostap-drivers v0.1.3
   6  * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
   7  * <jkmaline@cc.hut.fi>
   8  * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
   9  *
  10  * This program is free software; you can redistribute it and/or modify it
  11  * under the terms of version 2 of the GNU General Public License as
  12  * published by the Free Software Foundation.
  13  *
  14  * This program is distributed in the hope that it will be useful, but WITHOUT
  15  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  16  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  17  * more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along with
  20  * this program; if not, write to the Free Software Foundation, Inc., 59
  21  * Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22  *
  23  * The full GNU General Public License is included in this distribution in the
  24  * file called LICENSE.
  25  *
  26  * Contact Information:
  27  * James P. Ketrenos <ipw2100-admin@linux.intel.com>
  28  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  29  */
  30
  31 #include <linux/wireless.h>
  32 #include <linux/kmod.h>
  33 #include <linux/slab.h>
  34 #include <linux/module.h>
  35 #include <linux/etherdevice.h>
  36
  37 #include "ieee80211.h"
  38 static const char *ieee80211_modes[] = {
  39         "?", "a", "b", "ab", "g", "ag", "bg", "abg"
  40 };
  41
  42 #define MAX_CUSTOM_LEN 64
  43 static inline char *rtl818x_translate_scan(struct ieee80211_device *ieee,
  44                                            char *start, char *stop,
  45                                            struct ieee80211_network *network,
  46                                            struct iw_request_info *info)
  47 {
  48         char custom[MAX_CUSTOM_LEN];
  49         char *p;
  50         struct iw_event iwe;
  51         int i, j;
  52         u8 max_rate, rate;
  53
  54         /* First entry *MUST* be the AP MAC address */
  55         iwe.cmd = SIOCGIWAP;
  56         iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
  57         ether_addr_copy(iwe.u.ap_addr.sa_data, network->bssid);
  58         start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_ADDR_LEN);
  59
  60         /* Remaining entries will be displayed in the order we provide them */
  61
  62         /* Add the ESSID */
  63         iwe.cmd = SIOCGIWESSID;
  64         iwe.u.data.flags = 1;
  65         if (network->ssid_len == 0) {
  66                 iwe.u.data.length = sizeof("<hidden>");
  67                 start = iwe_stream_add_point(info, start, stop, &iwe, "<hidden>");
  68         } else {
  69                 iwe.u.data.length = min_t(u8, network->ssid_len, 32);
  70                 start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid);
  71         }
  72         /* Add the protocol name */
  73         iwe.cmd = SIOCGIWNAME;
  74         snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11%s", ieee80211_modes[network->mode]);
  75         start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_CHAR_LEN);
  76
  77         /* Add mode */
  78         iwe.cmd = SIOCGIWMODE;
  79         if (network->capability &
  80             (WLAN_CAPABILITY_BSS | WLAN_CAPABILITY_IBSS)) {
  81                 if (network->capability & WLAN_CAPABILITY_BSS)
  82                         iwe.u.mode = IW_MODE_MASTER;
  83                 else
  84                         iwe.u.mode = IW_MODE_ADHOC;
  85
  86                 start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_UINT_LEN);
  87         }
  88
  89         /* Add frequency/channel */
  90         iwe.cmd = SIOCGIWFREQ;
  91         iwe.u.freq.m = network->channel;
  92         iwe.u.freq.e = 0;
  93         iwe.u.freq.i = 0;
  94         start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_FREQ_LEN);
  95
  96         /* Add encryption capability */
  97         iwe.cmd = SIOCGIWENCODE;
  98         if (network->capability & WLAN_CAPABILITY_PRIVACY)
  99                 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
 100         else
 101                 iwe.u.data.flags = IW_ENCODE_DISABLED;
 102         iwe.u.data.length = 0;
 103         start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid);
 104
 105         /* Add basic and extended rates */
 106         max_rate = 0;
 107         p = custom;
 108         p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), " Rates (Mb/s): ");
 109         for (i = 0, j = 0; i < network->rates_len; ) {
 110                 if (j < network->rates_ex_len &&
 111                     ((network->rates_ex[j] & 0x7F) <
 112                      (network->rates[i] & 0x7F)))
 113                         rate = network->rates_ex[j++] & 0x7F;
 114                 else
 115                         rate = network->rates[i++] & 0x7F;
 116                 if (rate > max_rate)
 117                         max_rate = rate;
 118                 p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
 119                               "%d%s ", rate >> 1, (rate & 1) ? ".5" : "");
 120         }
 121         for (; j < network->rates_ex_len; j++) {
 122                 rate = network->rates_ex[j] & 0x7F;
 123                 p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
 124                               "%d%s ", rate >> 1, (rate & 1) ? ".5" : "");
 125                 if (rate > max_rate)
 126                         max_rate = rate;
 127         }
 128
 129         iwe.cmd = SIOCGIWRATE;
 130         iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
 131         iwe.u.bitrate.value = max_rate * 500000;
 132         start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_PARAM_LEN);
 133
 134         iwe.cmd = IWEVCUSTOM;
 135         iwe.u.data.length = p - custom;
 136         if (iwe.u.data.length)
 137                 start = iwe_stream_add_point(info, start, stop, &iwe, custom);
 138
 139         /* Add quality statistics */
 140         /* TODO: Fix these values... */
 141         if (network->stats.signal == 0 || network->stats.rssi == 0)
 142                 netdev_info(ieee->dev, "========>signal:%d, rssi:%d\n",
 143                             network->stats.signal, network->stats.rssi);
 144         iwe.cmd = IWEVQUAL;
 145         iwe.u.qual.qual = network->stats.signalstrength;
 146         iwe.u.qual.level = network->stats.signal;
 147         iwe.u.qual.noise = network->stats.noise;
 148         iwe.u.qual.updated = network->stats.mask & IEEE80211_STATMASK_WEMASK;
 149         if (!(network->stats.mask & IEEE80211_STATMASK_RSSI))
 150                 iwe.u.qual.updated |= IW_QUAL_LEVEL_INVALID;
 151         if (!(network->stats.mask & IEEE80211_STATMASK_NOISE))
 152                 iwe.u.qual.updated |= IW_QUAL_NOISE_INVALID;
 153         if (!(network->stats.mask & IEEE80211_STATMASK_SIGNAL))
 154                 iwe.u.qual.updated |= IW_QUAL_QUAL_INVALID;
 155         iwe.u.qual.updated = 7;
 156         start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_QUAL_LEN);
 157
 158         iwe.cmd = IWEVCUSTOM;
 159         p = custom;
 160
 161         iwe.u.data.length = p - custom;
 162         if (iwe.u.data.length)
 163                 start = iwe_stream_add_point(info, start, stop, &iwe, custom);
 164
 165         memset(&iwe, 0, sizeof(iwe));
 166         if (network->wpa_ie_len) {
 167                 char buf[MAX_WPA_IE_LEN];
 168                 memcpy(buf, network->wpa_ie, network->wpa_ie_len);
 169                 iwe.cmd = IWEVGENIE;
 170                 iwe.u.data.length = network->wpa_ie_len;
 171                 start = iwe_stream_add_point(info, start, stop, &iwe, buf);
 172         }
 173
 174         memset(&iwe, 0, sizeof(iwe));
 175         if (network->rsn_ie_len) {
 176                 char buf[MAX_WPA_IE_LEN];
 177                 memcpy(buf, network->rsn_ie, network->rsn_ie_len);
 178                 iwe.cmd = IWEVGENIE;
 179                 iwe.u.data.length = network->rsn_ie_len;
 180                 start = iwe_stream_add_point(info, start, stop, &iwe, buf);
 181         }
 182
 183         /* Add EXTRA: Age to display seconds since last beacon/probe response
 184          * for given network.
 185          */
 186         iwe.cmd = IWEVCUSTOM;
 187         p = custom;
 188         p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
 189                       " Last beacon: %lums ago", (jiffies - network->last_scanned) / (HZ / 100));
 190         iwe.u.data.length = p - custom;
 191         if (iwe.u.data.length)
 192                 start = iwe_stream_add_point(info, start, stop, &iwe, custom);
 193
 194         return start;
 195 }
 196
 197 int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
 198                           struct iw_request_info *info,
 199                           union iwreq_data *wrqu, char *extra)
 200 {
 201         struct ieee80211_network *network;
 202         unsigned long flags;
 203         int err = 0;
 204         char *ev = extra;
 205         char *stop = ev + wrqu->data.length;
 206         int i = 0;
 207
 208         IEEE80211_DEBUG_WX("Getting scan\n");
 209         down(&ieee->wx_sem);
 210         spin_lock_irqsave(&ieee->lock, flags);
 211
 212         if (!ieee->bHwRadioOff) {
 213                 list_for_each_entry(network, &ieee->network_list, list) {
 214                         i++;
 215
 216                         if ((stop-ev) < 200) {
 217                                 err = -E2BIG;
 218                                 break;
 219                         }
 220                         if (ieee->scan_age == 0 ||
 221                             time_after(network->last_scanned + ieee->scan_age, jiffies)) {
 222                                 ev = rtl818x_translate_scan(ieee, ev, stop, network, info);
 223                         } else
 224                                 IEEE80211_DEBUG_SCAN(
 225                                         "Not showing network '%s ("
 226                                         "%pM)' due to age (%lums).\n",
 227                                         escape_essid(network->ssid,
 228                                                      network->ssid_len),
 229                                         network->bssid,
 230                                         (jiffies - network->last_scanned) / (HZ / 100));
 231                 }
 232         }
 233         spin_unlock_irqrestore(&ieee->lock, flags);
 234         up(&ieee->wx_sem);
 235         wrqu->data.length = ev -  extra;
 236         wrqu->data.flags = 0;
 237         IEEE80211_DEBUG_WX("exit: %d networks returned.\n", i);
 238
 239         return err;
 240 }
 241
 242 int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
 243                             struct iw_request_info *info,
 244                             union iwreq_data *wrqu, char *keybuf)
 245 {
 246         struct iw_point *erq = &(wrqu->encoding);
 247         struct net_device *dev = ieee->dev;
 248         struct ieee80211_security sec = {
 249                 .flags = 0
 250         };
 251         int i, key, key_provided, len;
 252         struct ieee80211_crypt_data **crypt;
 253
 254         IEEE80211_DEBUG_WX("SET_ENCODE\n");
 255
 256         key = erq->flags & IW_ENCODE_INDEX;
 257         if (key) {
 258                 if (key > WEP_KEYS)
 259                         return -EINVAL;
 260                 key--;
 261                 key_provided = 1;
 262         } else {
 263                 key_provided = 0;
 264                 key = ieee->tx_keyidx;
 265         }
 266
 267         IEEE80211_DEBUG_WX("Key: %d [%s]\n", key, key_provided ?
 268                            "provided" : "default");
 269
 270         crypt = &ieee->crypt[key];
 271
 272         if (erq->flags & IW_ENCODE_DISABLED) {
 273                 if (key_provided && *crypt) {
 274                         IEEE80211_DEBUG_WX("Disabling encryption on key %d.\n",
 275                                            key);
 276                         ieee80211_crypt_delayed_deinit(ieee, crypt);
 277                 } else
 278                         IEEE80211_DEBUG_WX("Disabling encryption.\n");
 279
 280                 /* Check all the keys to see if any are still configured,
 281                  * and if no key index was provided, de-init them all.
 282                  */
 283                 for (i = 0; i < WEP_KEYS; i++) {
 284                         if (ieee->crypt[i] != NULL) {
 285                                 if (key_provided)
 286                                         break;
 287                                 ieee80211_crypt_delayed_deinit(
 288                                         ieee, &ieee->crypt[i]);
 289                         }
 290                 }
 291
 292                 if (i == WEP_KEYS) {
 293                         sec.enabled = 0;
 294                         sec.level = SEC_LEVEL_0;
 295                         sec.flags |= SEC_ENABLED | SEC_LEVEL;
 296                 }
 297
 298                 goto done;
 299         }
 300
 301         sec.enabled = 1;
 302         sec.flags |= SEC_ENABLED;
 303
 304         if (*crypt != NULL && (*crypt)->ops != NULL &&
 305             strcmp((*crypt)->ops->name, "WEP") != 0) {
 306                 /* changing to use WEP; deinit previously used algorithm
 307                  * on this key.
 308                  */
 309                 ieee80211_crypt_delayed_deinit(ieee, crypt);
 310         }
 311
 312         if (*crypt == NULL) {
 313                 struct ieee80211_crypt_data *new_crypt;
 314
 315                 /* take WEP into use */
 316                 new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data),
 317                                     GFP_KERNEL);
 318                 if (new_crypt == NULL)
 319                         return -ENOMEM;
 320                 new_crypt->ops = ieee80211_get_crypto_ops("WEP");
 321                 if (!new_crypt->ops)
 322                         new_crypt->ops = ieee80211_get_crypto_ops("WEP");
 323
 324                 if (new_crypt->ops)
 325                         new_crypt->priv = new_crypt->ops->init(key);
 326
 327                 if (!new_crypt->ops || !new_crypt->priv) {
 328                         kfree(new_crypt);
 329                         new_crypt = NULL;
 330
 331                         netdev_warn(ieee->dev,
 332                                     "could not initialize WEP: load module ieee80211_crypt_wep\n");
 333                         return -EOPNOTSUPP;
 334                 }
 335                 *crypt = new_crypt;
 336         }
 337
 338         /* If a new key was provided, set it up */
 339         if (erq->length > 0) {
 340                 len = erq->length <= 5 ? 5 : 13;
 341                 memcpy(sec.keys[key], keybuf, erq->length);
 342                 if (len > erq->length)
 343                         memset(sec.keys[key] + erq->length, 0,
 344                                len - erq->length);
 345                 IEEE80211_DEBUG_WX("Setting key %d to '%s' (%d:%d bytes)\n",
 346                                    key, escape_essid(sec.keys[key], len),
 347                                    erq->length, len);
 348                 sec.key_sizes[key] = len;
 349                 (*crypt)->ops->set_key(sec.keys[key], len, NULL,
 350                                        (*crypt)->priv);
 351                 sec.flags |= (1 << key);
 352                 /* This ensures a key will be activated if no key is
 353                  * explicitly set.
 354                  */
 355                 if (key == sec.active_key)
 356                         sec.flags |= SEC_ACTIVE_KEY;
 357                 ieee->tx_keyidx = key;
 358         } else {
 359                 len = (*crypt)->ops->get_key(sec.keys[key], WEP_KEY_LEN,
 360                                              NULL, (*crypt)->priv);
 361                 if (len == 0) {
 362                         /* Set a default key of all 0 */
 363                         IEEE80211_DEBUG_WX("Setting key %d to all zero.\n",
 364                                            key);
 365                         memset(sec.keys[key], 0, 13);
 366                         (*crypt)->ops->set_key(sec.keys[key], 13, NULL,
 367                                                (*crypt)->priv);
 368                         sec.key_sizes[key] = 13;
 369                         sec.flags |= (1 << key);
 370                 }
 371
 372                 /* No key data - just set the default TX key index */
 373                 if (key_provided) {
 374                         IEEE80211_DEBUG_WX(
 375                                 "Setting key %d to default Tx key.\n", key);
 376                         ieee->tx_keyidx = key;
 377                         sec.active_key = key;
 378                         sec.flags |= SEC_ACTIVE_KEY;
 379                 }
 380         }
 381
 382  done:
 383         ieee->open_wep = !(erq->flags & IW_ENCODE_RESTRICTED);
 384         sec.auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
 385         sec.flags |= SEC_AUTH_MODE;
 386         IEEE80211_DEBUG_WX("Auth: %s\n", sec.auth_mode == WLAN_AUTH_OPEN ?
 387                            "OPEN" : "SHARED KEY");
 388
 389         /* For now we just support WEP, so only set that security level...
 390          * TODO: When WPA is added this is one place that needs to change
 391          */
 392         sec.flags |= SEC_LEVEL;
 393         sec.level = SEC_LEVEL_1; /* 40 and 104 bit WEP */
 394
 395         if (ieee->set_security)
 396                 ieee->set_security(dev, &sec);
 397
 398         /* Do not reset port if card is in Managed mode since resetting will
 399          * generate new IEEE 802.11 authentication which may end up in looping
 400          * with IEEE 802.1X.  If your hardware requires a reset after WEP
 401          * configuration (for example... Prism2), implement the reset_port in
 402          * the callbacks structures used to initialize the 802.11 stack.
 403          */
 404         if (ieee->reset_on_keychange &&
 405             ieee->iw_mode != IW_MODE_INFRA &&
 406             ieee->reset_port && ieee->reset_port(dev)) {
 407                 netdev_dbg(ieee->dev, "reset_port failed\n");
 408                 return -EINVAL;
 409         }
 410         return 0;
 411 }
 412
 413 int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
 414                             struct iw_request_info *info,
 415                             union iwreq_data *wrqu, char *keybuf)
 416 {
 417         struct iw_point *erq = &(wrqu->encoding);
 418         int len, key;
 419         struct ieee80211_crypt_data *crypt;
 420
 421         IEEE80211_DEBUG_WX("GET_ENCODE\n");
 422
 423         if (ieee->iw_mode == IW_MODE_MONITOR)
 424                 return -1;
 425
 426         key = erq->flags & IW_ENCODE_INDEX;
 427         if (key) {
 428                 if (key > WEP_KEYS)
 429                         return -EINVAL;
 430                 key--;
 431         } else
 432                 key = ieee->tx_keyidx;
 433
 434         crypt = ieee->crypt[key];
 435         erq->flags = key + 1;
 436
 437         if (crypt == NULL || crypt->ops == NULL) {
 438                 erq->length = 0;
 439                 erq->flags |= IW_ENCODE_DISABLED;
 440                 return 0;
 441         }
 442
 443         if (strcmp(crypt->ops->name, "WEP") != 0) {
 444                 /* only WEP is supported with wireless extensions, so just
 445                  * report that encryption is used.
 446                  */
 447                 erq->length = 0;
 448                 erq->flags |= IW_ENCODE_ENABLED;
 449                 return 0;
 450         }
 451
 452         len = crypt->ops->get_key(keybuf, WEP_KEY_LEN, NULL, crypt->priv);
 453         erq->length = (len >= 0 ? len : 0);
 454
 455         erq->flags |= IW_ENCODE_ENABLED;
 456
 457         if (ieee->open_wep)
 458                 erq->flags |= IW_ENCODE_OPEN;
 459         else
 460                 erq->flags |= IW_ENCODE_RESTRICTED;
 461
 462         return 0;
 463 }
 464
 465 int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
 466                                 struct iw_request_info *info,
 467                                 union iwreq_data *wrqu, char *extra)
 468 {
 469         struct net_device *dev = ieee->dev;
 470         struct iw_point *encoding = &wrqu->encoding;
 471         struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
 472         int i, idx, ret = 0;
 473         int group_key = 0;
 474         const char *alg;
 475         struct ieee80211_crypto_ops *ops;
 476         struct ieee80211_crypt_data **crypt;
 477
 478         struct ieee80211_security sec = {
 479                 .flags = 0,
 480         };
 481         idx = encoding->flags & IW_ENCODE_INDEX;
 482         if (idx) {
 483                 if (idx < 1 || idx > WEP_KEYS)
 484                         return -EINVAL;
 485                 idx--;
 486         } else
 487                 idx = ieee->tx_keyidx;
 488
 489         if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
 490                 crypt = &ieee->crypt[idx];
 491                 group_key = 1;
 492         } else {
 493                 /* some Cisco APs use idx>0 for unicast in dynamic WEP */
 494                 if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP)
 495                         return -EINVAL;
 496                 if (ieee->iw_mode == IW_MODE_INFRA)
 497                         crypt = &ieee->crypt[idx];
 498                 else
 499                         return -EINVAL;
 500         }
 501
 502         sec.flags |= SEC_ENABLED;
 503         if ((encoding->flags & IW_ENCODE_DISABLED) ||
 504             ext->alg == IW_ENCODE_ALG_NONE) {
 505                 if (*crypt)
 506                         ieee80211_crypt_delayed_deinit(ieee, crypt);
 507
 508                 for (i = 0; i < WEP_KEYS; i++)
 509                         if (ieee->crypt[i] != NULL)
 510                                 break;
 511
 512                 if (i == WEP_KEYS) {
 513                         sec.enabled = 0;
 514                         sec.level = SEC_LEVEL_0;
 515                         sec.flags |= SEC_LEVEL;
 516                 }
 517                 goto done;
 518         }
 519
 520         sec.enabled = 1;
 521
 522         switch (ext->alg) {
 523         case IW_ENCODE_ALG_WEP:
 524                 alg = "WEP";
 525                 break;
 526         case IW_ENCODE_ALG_TKIP:
 527                 alg = "TKIP";
 528                 break;
 529         case IW_ENCODE_ALG_CCMP:
 530                 alg = "CCMP";
 531                 break;
 532         default:
 533                 IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
 534                                    dev->name, ext->alg);
 535                 ret = -EINVAL;
 536                 goto done;
 537         }
 538
 539         ops = ieee80211_get_crypto_ops(alg);
 540         if (ops == NULL)
 541                 ops = ieee80211_get_crypto_ops(alg);
 542         if (ops == NULL) {
 543                 IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
 544                                    dev->name, ext->alg);
 545                 netdev_err(ieee->dev, "========>unknown crypto alg %d\n",
 546                            ext->alg);
 547                 ret = -EINVAL;
 548                 goto done;
 549         }
 550
 551         if (*crypt == NULL || (*crypt)->ops != ops) {
 552                 struct ieee80211_crypt_data *new_crypt;
 553
 554                 ieee80211_crypt_delayed_deinit(ieee, crypt);
 555
 556                 new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL);
 557                 if (new_crypt == NULL) {
 558                         ret = -ENOMEM;
 559                         goto done;
 560                 }
 561                 new_crypt->ops = ops;
 562                 if (new_crypt->ops)
 563                         new_crypt->priv = new_crypt->ops->init(idx);
 564                 if (new_crypt->priv == NULL) {
 565                         kfree(new_crypt);
 566                         ret = -EINVAL;
 567                         goto done;
 568                 }
 569                 *crypt = new_crypt;
 570
 571         }
 572
 573         if (ext->key_len > 0 && (*crypt)->ops->set_key &&
 574             (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
 575                                    (*crypt)->priv) < 0) {
 576                 IEEE80211_DEBUG_WX("%s: key setting failed\n", dev->name);
 577                 netdev_err(ieee->dev, "key setting failed\n");
 578                 ret = -EINVAL;
 579                 goto done;
 580         }
 581 #if 1
 582         if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
 583                 ieee->tx_keyidx = idx;
 584                 sec.active_key = idx;
 585                 sec.flags |= SEC_ACTIVE_KEY;
 586         }
 587
 588         if (ext->alg != IW_ENCODE_ALG_NONE) {
 589                 memcpy(sec.keys[idx], ext->key, ext->key_len);
 590                 sec.key_sizes[idx] = ext->key_len;
 591                 sec.flags |= (1 << idx);
 592                 if (ext->alg == IW_ENCODE_ALG_WEP) {
 593                         sec.flags |= SEC_LEVEL;
 594                         sec.level = SEC_LEVEL_1;
 595                 } else if (ext->alg == IW_ENCODE_ALG_TKIP) {
 596                         sec.flags |= SEC_LEVEL;
 597                         sec.level = SEC_LEVEL_2;
 598                 } else if (ext->alg == IW_ENCODE_ALG_CCMP) {
 599                         sec.flags |= SEC_LEVEL;
 600                         sec.level = SEC_LEVEL_3;
 601                 }
 602                 /* Don't set sec level for group keys. */
 603                 if (group_key)
 604                         sec.flags &= ~SEC_LEVEL;
 605         }
 606 #endif
 607 done:
 608         if (ieee->set_security)
 609                 ieee->set_security(ieee->dev, &sec);
 610
 611         if (ieee->reset_on_keychange &&
 612             ieee->iw_mode != IW_MODE_INFRA &&
 613             ieee->reset_port && ieee->reset_port(dev)) {
 614                 IEEE80211_DEBUG_WX("%s: reset_port failed\n", dev->name);
 615                 return -EINVAL;
 616         }
 617
 618         return ret;
 619 }
 620
 621 int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
 622                           struct iw_request_info *info,
 623                           union iwreq_data *wrqu, char *extra)
 624 {
 625         struct iw_mlme *mlme = (struct iw_mlme *) extra;
 626 #if 1
 627         switch (mlme->cmd) {
 628         case IW_MLME_DEAUTH:
 629         case IW_MLME_DISASSOC:
 630                 ieee80211_disassociate(ieee);
 631                 break;
 632         default:
 633                 return -EOPNOTSUPP;
 634         }
 635 #endif
 636         return 0;
 637 }
 638
 639 int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
 640                           struct iw_request_info *info,
 641                           struct iw_param *data, char *extra)
 642 {
 643         switch (data->flags & IW_AUTH_INDEX) {
 644         case IW_AUTH_WPA_VERSION:
 645                 /* need to support wpa2 here */
 646                 break;
 647         case IW_AUTH_CIPHER_PAIRWISE:
 648         case IW_AUTH_CIPHER_GROUP:
 649         case IW_AUTH_KEY_MGMT:
 650                 /* Host AP driver does not use these parameters and allows
 651                  * wpa_supplicant to control them internally.
 652                  */
 653                 break;
 654         case IW_AUTH_TKIP_COUNTERMEASURES:
 655                 ieee->tkip_countermeasures = data->value;
 656                 break;
 657         case IW_AUTH_DROP_UNENCRYPTED:
 658                 ieee->drop_unencrypted = data->value;
 659                 break;
 660
 661         case IW_AUTH_80211_AUTH_ALG:
 662                 ieee->open_wep = (data->value&IW_AUTH_ALG_OPEN_SYSTEM) ? 1 : 0;
 663                 break;
 664
 665 #if 1
 666         case IW_AUTH_WPA_ENABLED:
 667                 ieee->wpa_enabled = (data->value) ? 1 : 0;
 668                 break;
 669
 670 #endif
 671         case IW_AUTH_RX_UNENCRYPTED_EAPOL:
 672                 ieee->ieee802_1x = data->value;
 673                 break;
 674         case IW_AUTH_PRIVACY_INVOKED:
 675                 ieee->privacy_invoked = data->value;
 676                 break;
 677         default:
 678                 return -EOPNOTSUPP;
 679         }
 680         return 0;
 681 }
 682
 683 #if 1
 684 int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len)
 685 {
 686         u8 *buf = NULL;
 687
 688         if (len > MAX_WPA_IE_LEN || (len && ie == NULL)) {
 689                 netdev_err(ieee->dev, "return error out, len:%zu\n", len);
 690         return -EINVAL;
 691         }
 692
 693         if (len) {
 694                 if (len != ie[1]+2) {
 695                         netdev_err(ieee->dev, "len:%zu, ie:%d\n", len, ie[1]);
 696                         return -EINVAL;
 697                 }
 698                 buf = kmemdup(ie, len, GFP_KERNEL);
 699                 if (buf == NULL)
 700                         return -ENOMEM;
 701                 kfree(ieee->wpa_ie);
 702                 ieee->wpa_ie = buf;
 703                 ieee->wpa_ie_len = len;
 704         } else {
 705                 kfree(ieee->wpa_ie);
 706                 ieee->wpa_ie = NULL;
 707                 ieee->wpa_ie_len = 0;
 708         }
 709
 710         return 0;
 711
 712 }
 713 #endif