net/mac80211/ieee80211_ioctl.c

   1 /*
   2  * Copyright 2002-2005, Instant802 Networks, Inc.
   3  * Copyright 2005-2006, Devicescape Software, Inc.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  */
   9
  10 #include <linux/module.h>
  11 #include <linux/init.h>
  12 #include <linux/netdevice.h>
  13 #include <linux/types.h>
  14 #include <linux/slab.h>
  15 #include <linux/skbuff.h>
  16 #include <linux/etherdevice.h>
  17 #include <linux/if_arp.h>
  18 #include <linux/wireless.h>
  19 #include <net/iw_handler.h>
  20 #include <asm/uaccess.h>
  21
  22 #include <net/mac80211.h>
  23 #include "ieee80211_i.h"
  24 #include "hostapd_ioctl.h"
  25 #include "ieee80211_rate.h"
  26 #include "wpa.h"
  27 #include "aes_ccm.h"
  28 #include "debugfs_key.h"
  29
  30 static int ieee80211_regdom = 0x10; /* FCC */
  31 module_param(ieee80211_regdom, int, 0444);
  32 MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain; 64=MKK");
  33
  34 /*
  35  * If firmware is upgraded by the vendor, additional channels can be used based
  36  * on the new Japanese regulatory rules. This is indicated by setting
  37  * ieee80211_japan_5ghz module parameter to one when loading the 80211 kernel
  38  * module.
  39  */
  40 static int ieee80211_japan_5ghz /* = 0 */;
  41 module_param(ieee80211_japan_5ghz, int, 0444);
  42 MODULE_PARM_DESC(ieee80211_japan_5ghz, "Vendor-updated firmware for 5 GHz");
  43
  44 static void ieee80211_set_hw_encryption(struct net_device *dev,
  45                                         struct sta_info *sta, u8 addr[ETH_ALEN],
  46                                         struct ieee80211_key *key)
  47 {
  48         struct ieee80211_key_conf *keyconf = NULL;
  49         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  50
  51         /* default to sw encryption; this will be cleared by low-level
  52          * driver if the hw supports requested encryption */
  53         if (key)
  54                 key->force_sw_encrypt = 1;
  55
  56         if (key && local->ops->set_key &&
  57             (keyconf = ieee80211_key_data2conf(local, key))) {
  58                 if (local->ops->set_key(local_to_hw(local), SET_KEY, addr,
  59                                        keyconf, sta ? sta->aid : 0)) {
  60                         key->force_sw_encrypt = 1;
  61                         key->hw_key_idx = HW_KEY_IDX_INVALID;
  62                 } else {
  63                         key->force_sw_encrypt =
  64                                 !!(keyconf->flags & IEEE80211_KEY_FORCE_SW_ENCRYPT);
  65                         key->hw_key_idx =
  66                                 keyconf->hw_key_idx;
  67
  68                 }
  69         }
  70         kfree(keyconf);
  71 }
  72
  73
  74 static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
  75                                     int idx, int alg, int set_tx_key,
  76                                     const u8 *_key, size_t key_len)
  77 {
  78         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  79         int ret = 0;
  80         struct sta_info *sta;
  81         struct ieee80211_key *key, *old_key;
  82         int try_hwaccel = 1;
  83         struct ieee80211_key_conf *keyconf;
  84         struct ieee80211_sub_if_data *sdata;
  85
  86         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  87
  88         if (is_broadcast_ether_addr(sta_addr)) {
  89                 sta = NULL;
  90                 if (idx >= NUM_DEFAULT_KEYS) {
  91                         printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n",
  92                                dev->name, idx);
  93                         return -EINVAL;
  94                 }
  95                 key = sdata->keys[idx];
  96
  97                 /* TODO: consider adding hwaccel support for these; at least
  98                  * Atheros key cache should be able to handle this since AP is
  99                  * only transmitting frames with default keys. */
 100                 /* FIX: hw key cache can be used when only one virtual
 101                  * STA is associated with each AP. If more than one STA
 102                  * is associated to the same AP, software encryption
 103                  * must be used. This should be done automatically
 104                  * based on configured station devices. For the time
 105                  * being, this can be only set at compile time. */
 106         } else {
 107                 set_tx_key = 0;
 108                 if (idx != 0) {
 109                         printk(KERN_DEBUG "%s: set_encrypt - non-zero idx for "
 110                                "individual key\n", dev->name);
 111                         return -EINVAL;
 112                 }
 113
 114                 sta = sta_info_get(local, sta_addr);
 115                 if (!sta) {
 116 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
 117                         printk(KERN_DEBUG "%s: set_encrypt - unknown addr "
 118                                MAC_FMT "\n",
 119                                dev->name, MAC_ARG(sta_addr));
 120 #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
 121
 122                         return -ENOENT;
 123                 }
 124
 125                 key = sta->key;
 126         }
 127
 128         /* FIX:
 129          * Cannot configure default hwaccel keys with WEP algorithm, if
 130          * any of the virtual interfaces is using static WEP
 131          * configuration because hwaccel would otherwise try to decrypt
 132          * these frames.
 133          *
 134          * For now, just disable WEP hwaccel for broadcast when there is
 135          * possibility of conflict with default keys. This can maybe later be
 136          * optimized by using non-default keys (at least with Atheros ar521x).
 137          */
 138         if (!sta && alg == ALG_WEP && !local->default_wep_only &&
 139             sdata->type != IEEE80211_IF_TYPE_IBSS &&
 140             sdata->type != IEEE80211_IF_TYPE_AP) {
 141                 try_hwaccel = 0;
 142         }
 143
 144         if (local->hw.flags & IEEE80211_HW_DEVICE_HIDES_WEP) {
 145                 /* Software encryption cannot be used with devices that hide
 146                  * encryption from the host system, so always try to use
 147                  * hardware acceleration with such devices. */
 148                 try_hwaccel = 1;
 149         }
 150
 151         if ((local->hw.flags & IEEE80211_HW_NO_TKIP_WMM_HWACCEL) &&
 152             alg == ALG_TKIP) {
 153                 if (sta && (sta->flags & WLAN_STA_WME)) {
 154                 /* Hardware does not support hwaccel with TKIP when using WMM.
 155                  */
 156                         try_hwaccel = 0;
 157                 }
 158                 else if (sdata->type == IEEE80211_IF_TYPE_STA) {
 159                         sta = sta_info_get(local, sdata->u.sta.bssid);
 160                         if (sta) {
 161                                 if (sta->flags & WLAN_STA_WME) {
 162                                         try_hwaccel = 0;
 163                                 }
 164                                 sta_info_put(sta);
 165                                 sta = NULL;
 166                         }
 167                 }
 168         }
 169
 170         if (alg == ALG_NONE) {
 171                 keyconf = NULL;
 172                 if (try_hwaccel && key &&
 173                     key->hw_key_idx != HW_KEY_IDX_INVALID &&
 174                     local->ops->set_key &&
 175                     (keyconf = ieee80211_key_data2conf(local, key)) != NULL &&
 176                     local->ops->set_key(local_to_hw(local), DISABLE_KEY,
 177                                        sta_addr, keyconf, sta ? sta->aid : 0)) {
 178                         printk(KERN_DEBUG "%s: set_encrypt - low-level disable"
 179                                " failed\n", dev->name);
 180                         ret = -EINVAL;
 181                 }
 182                 kfree(keyconf);
 183
 184                 if (set_tx_key || sdata->default_key == key) {
 185                         ieee80211_debugfs_key_remove_default(sdata);
 186                         sdata->default_key = NULL;
 187                 }
 188                 ieee80211_debugfs_key_remove(key);
 189                 if (sta)
 190                         sta->key = NULL;
 191                 else
 192                         sdata->keys[idx] = NULL;
 193                 ieee80211_key_free(key);
 194                 key = NULL;
 195         } else {
 196                 old_key = key;
 197                 key = ieee80211_key_alloc(sta ? NULL : sdata, idx, key_len,
 198                                           GFP_KERNEL);
 199                 if (!key) {
 200                         ret = -ENOMEM;
 201                         goto err_out;
 202                 }
 203
 204                 /* default to sw encryption; low-level driver sets these if the
 205                  * requested encryption is supported */
 206                 key->hw_key_idx = HW_KEY_IDX_INVALID;
 207                 key->force_sw_encrypt = 1;
 208
 209                 key->alg = alg;
 210                 key->keyidx = idx;
 211                 key->keylen = key_len;
 212                 memcpy(key->key, _key, key_len);
 213                 if (set_tx_key)
 214                         key->default_tx_key = 1;
 215
 216                 if (alg == ALG_CCMP) {
 217                         /* Initialize AES key state here as an optimization
 218                          * so that it does not need to be initialized for every
 219                          * packet. */
 220                         key->u.ccmp.tfm = ieee80211_aes_key_setup_encrypt(
 221                                 key->key);
 222                         if (!key->u.ccmp.tfm) {
 223                                 ret = -ENOMEM;
 224                                 goto err_free;
 225                         }
 226                 }
 227
 228                 if (set_tx_key || sdata->default_key == old_key) {
 229                         ieee80211_debugfs_key_remove_default(sdata);
 230                         sdata->default_key = NULL;
 231                 }
 232                 ieee80211_debugfs_key_remove(old_key);
 233                 if (sta)
 234                         sta->key = key;
 235                 else
 236                         sdata->keys[idx] = key;
 237                 ieee80211_key_free(old_key);
 238                 ieee80211_debugfs_key_add(local, key);
 239                 if (sta)
 240                         ieee80211_debugfs_key_sta_link(key, sta);
 241
 242                 if (try_hwaccel &&
 243                     (alg == ALG_WEP || alg == ALG_TKIP || alg == ALG_CCMP))
 244                         ieee80211_set_hw_encryption(dev, sta, sta_addr, key);
 245         }
 246
 247         if (set_tx_key || (!sta && !sdata->default_key && key)) {
 248                 sdata->default_key = key;
 249                 if (key)
 250                         ieee80211_debugfs_key_add_default(sdata);
 251
 252                 if (local->ops->set_key_idx &&
 253                     local->ops->set_key_idx(local_to_hw(local), idx))
 254                         printk(KERN_DEBUG "%s: failed to set TX key idx for "
 255                                "low-level driver\n", dev->name);
 256         }
 257
 258         if (sta)
 259                 sta_info_put(sta);
 260
 261         return 0;
 262
 263 err_free:
 264         ieee80211_key_free(key);
 265 err_out:
 266         if (sta)
 267                 sta_info_put(sta);
 268         return ret;
 269 }
 270
 271 static int ieee80211_ioctl_siwgenie(struct net_device *dev,
 272                                     struct iw_request_info *info,
 273                                     struct iw_point *data, char *extra)
 274 {
 275         struct ieee80211_sub_if_data *sdata;
 276         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 277
 278         if (local->user_space_mlme)
 279                 return -EOPNOTSUPP;
 280
 281         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 282         if (sdata->type == IEEE80211_IF_TYPE_STA ||
 283             sdata->type == IEEE80211_IF_TYPE_IBSS) {
 284                 int ret = ieee80211_sta_set_extra_ie(dev, extra, data->length);
 285                 if (ret)
 286                         return ret;
 287                 sdata->u.sta.auto_bssid_sel = 0;
 288                 ieee80211_sta_req_auth(dev, &sdata->u.sta);
 289                 return 0;
 290         }
 291
 292         if (sdata->type == IEEE80211_IF_TYPE_AP) {
 293                 kfree(sdata->u.ap.generic_elem);
 294                 sdata->u.ap.generic_elem = kmalloc(data->length, GFP_KERNEL);
 295                 if (!sdata->u.ap.generic_elem)
 296                         return -ENOMEM;
 297                 memcpy(sdata->u.ap.generic_elem, extra, data->length);
 298                 sdata->u.ap.generic_elem_len = data->length;
 299                 return ieee80211_if_config(dev);
 300         }
 301         return -EOPNOTSUPP;
 302 }
 303
 304 static int ieee80211_ioctl_set_radio_enabled(struct net_device *dev,
 305                                              int val)
 306 {
 307         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 308         struct ieee80211_conf *conf = &local->hw.conf;
 309
 310         conf->radio_enabled = val;
 311         return ieee80211_hw_config(wdev_priv(dev->ieee80211_ptr));
 312 }
 313
 314 static int ieee80211_ioctl_giwname(struct net_device *dev,
 315                                    struct iw_request_info *info,
 316                                    char *name, char *extra)
 317 {
 318         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 319
 320         switch (local->hw.conf.phymode) {
 321         case MODE_IEEE80211A:
 322                 strcpy(name, "IEEE 802.11a");
 323                 break;
 324         case MODE_IEEE80211B:
 325                 strcpy(name, "IEEE 802.11b");
 326                 break;
 327         case MODE_IEEE80211G:
 328                 strcpy(name, "IEEE 802.11g");
 329                 break;
 330         case MODE_ATHEROS_TURBO:
 331                 strcpy(name, "5GHz Turbo");
 332                 break;
 333         default:
 334                 strcpy(name, "IEEE 802.11");
 335                 break;
 336         }
 337
 338         return 0;
 339 }
 340
 341
 342 static int ieee80211_ioctl_giwrange(struct net_device *dev,
 343                                  struct iw_request_info *info,
 344                                  struct iw_point *data, char *extra)
 345 {
 346         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 347         struct iw_range *range = (struct iw_range *) extra;
 348
 349         data->length = sizeof(struct iw_range);
 350         memset(range, 0, sizeof(struct iw_range));
 351
 352         range->we_version_compiled = WIRELESS_EXT;
 353         range->we_version_source = 21;
 354         range->retry_capa = IW_RETRY_LIMIT;
 355         range->retry_flags = IW_RETRY_LIMIT;
 356         range->min_retry = 0;
 357         range->max_retry = 255;
 358         range->min_rts = 0;
 359         range->max_rts = 2347;
 360         range->min_frag = 256;
 361         range->max_frag = 2346;
 362
 363         range->encoding_size[0] = 5;
 364         range->encoding_size[1] = 13;
 365         range->num_encoding_sizes = 2;
 366         range->max_encoding_tokens = NUM_DEFAULT_KEYS;
 367
 368         range->max_qual.qual = local->hw.max_signal;
 369         range->max_qual.level = local->hw.max_rssi;
 370         range->max_qual.noise = local->hw.max_noise;
 371         range->max_qual.updated = local->wstats_flags;
 372
 373         range->avg_qual.qual = local->hw.max_signal/2;
 374         range->avg_qual.level = 0;
 375         range->avg_qual.noise = 0;
 376         range->avg_qual.updated = local->wstats_flags;
 377
 378         range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
 379                           IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
 380
 381         IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
 382         IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWTHRSPY);
 383         IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
 384         IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
 385
 386         return 0;
 387 }
 388
 389
 390 struct ieee80211_channel_range {
 391         short start_freq;
 392         short end_freq;
 393         unsigned char power_level;
 394         unsigned char antenna_max;
 395 };
 396
 397 static const struct ieee80211_channel_range ieee80211_fcc_channels[] = {
 398         { 2412, 2462, 27, 6 } /* IEEE 802.11b/g, channels 1..11 */,
 399         { 5180, 5240, 17, 6 } /* IEEE 802.11a, channels 36..48 */,
 400         { 5260, 5320, 23, 6 } /* IEEE 802.11a, channels 52..64 */,
 401         { 5745, 5825, 30, 6 } /* IEEE 802.11a, channels 149..165, outdoor */,
 402         { 0 }
 403 };
 404
 405 static const struct ieee80211_channel_range ieee80211_mkk_channels[] = {
 406         { 2412, 2472, 20, 6 } /* IEEE 802.11b/g, channels 1..13 */,
 407         { 5170, 5240, 20, 6 } /* IEEE 802.11a, channels 34..48 */,
 408         { 5260, 5320, 20, 6 } /* IEEE 802.11a, channels 52..64 */,
 409         { 0 }
 410 };
 411
 412
 413 static const struct ieee80211_channel_range *channel_range =
 414         ieee80211_fcc_channels;
 415
 416
 417 static void ieee80211_unmask_channel(struct net_device *dev, int mode,
 418                                      struct ieee80211_channel *chan)
 419 {
 420         int i;
 421
 422         chan->flag = 0;
 423
 424         if (ieee80211_regdom == 64 &&
 425             (mode == MODE_ATHEROS_TURBO || mode == MODE_ATHEROS_TURBOG)) {
 426                 /* Do not allow Turbo modes in Japan. */
 427                 return;
 428         }
 429
 430         for (i = 0; channel_range[i].start_freq; i++) {
 431                 const struct ieee80211_channel_range *r = &channel_range[i];
 432                 if (r->start_freq <= chan->freq && r->end_freq >= chan->freq) {
 433                         if (ieee80211_regdom == 64 && !ieee80211_japan_5ghz &&
 434                             chan->freq >= 5260 && chan->freq <= 5320) {
 435                                 /*
 436                                  * Skip new channels in Japan since the
 437                                  * firmware was not marked having been upgraded
 438                                  * by the vendor.
 439                                  */
 440                                 continue;
 441                         }
 442
 443                         if (ieee80211_regdom == 0x10 &&
 444                             (chan->freq == 5190 || chan->freq == 5210 ||
 445                              chan->freq == 5230)) {
 446                                     /* Skip MKK channels when in FCC domain. */
 447                                     continue;
 448                         }
 449
 450                         chan->flag |= IEEE80211_CHAN_W_SCAN |
 451                                 IEEE80211_CHAN_W_ACTIVE_SCAN |
 452                                 IEEE80211_CHAN_W_IBSS;
 453                         chan->power_level = r->power_level;
 454                         chan->antenna_max = r->antenna_max;
 455
 456                         if (ieee80211_regdom == 64 &&
 457                             (chan->freq == 5170 || chan->freq == 5190 ||
 458                              chan->freq == 5210 || chan->freq == 5230)) {
 459                                 /*
 460                                  * New regulatory rules in Japan have backwards
 461                                  * compatibility with old channels in 5.15-5.25
 462                                  * GHz band, but the station is not allowed to
 463                                  * use active scan on these old channels.
 464                                  */
 465                                 chan->flag &= ~IEEE80211_CHAN_W_ACTIVE_SCAN;
 466                         }
 467
 468                         if (ieee80211_regdom == 64 &&
 469                             (chan->freq == 5260 || chan->freq == 5280 ||
 470                              chan->freq == 5300 || chan->freq == 5320)) {
 471                                 /*
 472                                  * IBSS is not allowed on 5.25-5.35 GHz band
 473                                  * due to radar detection requirements.
 474                                  */
 475                                 chan->flag &= ~IEEE80211_CHAN_W_IBSS;
 476                         }
 477
 478                         break;
 479                 }
 480         }
 481 }
 482
 483
 484 static int ieee80211_unmask_channels(struct net_device *dev)
 485 {
 486         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 487         struct ieee80211_hw_mode *mode;
 488         int c;
 489
 490         list_for_each_entry(mode, &local->modes_list, list) {
 491                 for (c = 0; c < mode->num_channels; c++) {
 492                         ieee80211_unmask_channel(dev, mode->mode,
 493                                                  &mode->channels[c]);
 494                 }
 495         }
 496         return 0;
 497 }
 498
 499
 500 int ieee80211_init_client(struct net_device *dev)
 501 {
 502         if (ieee80211_regdom == 0x40)
 503                 channel_range = ieee80211_mkk_channels;
 504         ieee80211_unmask_channels(dev);
 505         return 0;
 506 }
 507
 508
 509 static int ieee80211_ioctl_siwmode(struct net_device *dev,
 510                                    struct iw_request_info *info,
 511                                    __u32 *mode, char *extra)
 512 {
 513         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 514         int type;
 515
 516         if (sdata->type == IEEE80211_IF_TYPE_VLAN)
 517                 return -EOPNOTSUPP;
 518
 519         switch (*mode) {
 520         case IW_MODE_INFRA:
 521                 type = IEEE80211_IF_TYPE_STA;
 522                 break;
 523         case IW_MODE_ADHOC:
 524                 type = IEEE80211_IF_TYPE_IBSS;
 525                 break;
 526         case IW_MODE_MONITOR:
 527                 type = IEEE80211_IF_TYPE_MNTR;
 528                 break;
 529         default:
 530                 return -EINVAL;
 531         }
 532
 533         if (type == sdata->type)
 534                 return 0;
 535         if (netif_running(dev))
 536                 return -EBUSY;
 537
 538         ieee80211_if_reinit(dev);
 539         ieee80211_if_set_type(dev, type);
 540
 541         return 0;
 542 }
 543
 544
 545 static int ieee80211_ioctl_giwmode(struct net_device *dev,
 546                                    struct iw_request_info *info,
 547                                    __u32 *mode, char *extra)
 548 {
 549         struct ieee80211_sub_if_data *sdata;
 550
 551         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 552         switch (sdata->type) {
 553         case IEEE80211_IF_TYPE_AP:
 554                 *mode = IW_MODE_MASTER;
 555                 break;
 556         case IEEE80211_IF_TYPE_STA:
 557                 *mode = IW_MODE_INFRA;
 558                 break;
 559         case IEEE80211_IF_TYPE_IBSS:
 560                 *mode = IW_MODE_ADHOC;
 561                 break;
 562         case IEEE80211_IF_TYPE_MNTR:
 563                 *mode = IW_MODE_MONITOR;
 564                 break;
 565         case IEEE80211_IF_TYPE_WDS:
 566                 *mode = IW_MODE_REPEAT;
 567                 break;
 568         case IEEE80211_IF_TYPE_VLAN:
 569                 *mode = IW_MODE_SECOND;         /* FIXME */
 570                 break;
 571         default:
 572                 *mode = IW_MODE_AUTO;
 573                 break;
 574         }
 575         return 0;
 576 }
 577
 578 int ieee80211_set_channel(struct ieee80211_local *local, int channel, int freq)
 579 {
 580         struct ieee80211_hw_mode *mode;
 581         int c, set = 0;
 582         int ret = -EINVAL;
 583
 584         list_for_each_entry(mode, &local->modes_list, list) {
 585                 if (!(local->enabled_modes & (1 << mode->mode)))
 586                         continue;
 587                 for (c = 0; c < mode->num_channels; c++) {
 588                         struct ieee80211_channel *chan = &mode->channels[c];
 589                         if (chan->flag & IEEE80211_CHAN_W_SCAN &&
 590                             ((chan->chan == channel) || (chan->freq == freq))) {
 591                                 /* Use next_mode as the mode preference to
 592                                  * resolve non-unique channel numbers. */
 593                                 if (set && mode->mode != local->next_mode)
 594                                         continue;
 595
 596                                 local->oper_channel = chan;
 597                                 local->oper_hw_mode = mode;
 598                                 set++;
 599                         }
 600                 }
 601         }
 602
 603         if (set) {
 604                 if (local->sta_scanning)
 605                         ret = 0;
 606                 else
 607                         ret = ieee80211_hw_config(local);
 608
 609                 rate_control_clear(local);
 610         }
 611
 612         return ret;
 613 }
 614
 615 static int ieee80211_ioctl_siwfreq(struct net_device *dev,
 616                                    struct iw_request_info *info,
 617                                    struct iw_freq *freq, char *extra)
 618 {
 619         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 620         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 621
 622         if (sdata->type == IEEE80211_IF_TYPE_STA)
 623                 sdata->u.sta.auto_channel_sel = 0;
 624
 625         /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
 626         if (freq->e == 0) {
 627                 if (freq->m < 0) {
 628                         if (sdata->type == IEEE80211_IF_TYPE_STA)
 629                                 sdata->u.sta.auto_channel_sel = 1;
 630                         return 0;
 631                 } else
 632                         return ieee80211_set_channel(local, freq->m, -1);
 633         } else {
 634                 int i, div = 1000000;
 635                 for (i = 0; i < freq->e; i++)
 636                         div /= 10;
 637                 if (div > 0)
 638                         return ieee80211_set_channel(local, -1, freq->m / div);
 639                 else
 640                         return -EINVAL;
 641         }
 642 }
 643
 644
 645 static int ieee80211_ioctl_giwfreq(struct net_device *dev,
 646                                    struct iw_request_info *info,
 647                                    struct iw_freq *freq, char *extra)
 648 {
 649         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 650
 651         /* TODO: in station mode (Managed/Ad-hoc) might need to poll low-level
 652          * driver for the current channel with firmware-based management */
 653
 654         freq->m = local->hw.conf.freq;
 655         freq->e = 6;
 656
 657         return 0;
 658 }
 659
 660
 661 static int ieee80211_ioctl_siwessid(struct net_device *dev,
 662                                     struct iw_request_info *info,
 663                                     struct iw_point *data, char *ssid)
 664 {
 665         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 666         struct ieee80211_sub_if_data *sdata;
 667         size_t len = data->length;
 668
 669         /* iwconfig uses nul termination in SSID.. */
 670         if (len > 0 && ssid[len - 1] == '\0')
 671                 len--;
 672
 673         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 674         if (sdata->type == IEEE80211_IF_TYPE_STA ||
 675             sdata->type == IEEE80211_IF_TYPE_IBSS) {
 676                 int ret;
 677                 if (local->user_space_mlme) {
 678                         if (len > IEEE80211_MAX_SSID_LEN)
 679                                 return -EINVAL;
 680                         memcpy(sdata->u.sta.ssid, ssid, len);
 681                         sdata->u.sta.ssid_len = len;
 682                         return 0;
 683                 }
 684                 sdata->u.sta.auto_ssid_sel = !data->flags;
 685                 ret = ieee80211_sta_set_ssid(dev, ssid, len);
 686                 if (ret)
 687                         return ret;
 688                 ieee80211_sta_req_auth(dev, &sdata->u.sta);
 689                 return 0;
 690         }
 691
 692         if (sdata->type == IEEE80211_IF_TYPE_AP) {
 693                 memcpy(sdata->u.ap.ssid, ssid, len);
 694                 memset(sdata->u.ap.ssid + len, 0,
 695                        IEEE80211_MAX_SSID_LEN - len);
 696                 sdata->u.ap.ssid_len = len;
 697                 return ieee80211_if_config(dev);
 698         }
 699         return -EOPNOTSUPP;
 700 }
 701
 702
 703 static int ieee80211_ioctl_giwessid(struct net_device *dev,
 704                                     struct iw_request_info *info,
 705                                     struct iw_point *data, char *ssid)
 706 {
 707         size_t len;
 708
 709         struct ieee80211_sub_if_data *sdata;
 710         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 711         if (sdata->type == IEEE80211_IF_TYPE_STA ||
 712             sdata->type == IEEE80211_IF_TYPE_IBSS) {
 713                 int res = ieee80211_sta_get_ssid(dev, ssid, &len);
 714                 if (res == 0) {
 715                         data->length = len;
 716                         data->flags = 1;
 717                 } else
 718                         data->flags = 0;
 719                 return res;
 720         }
 721
 722         if (sdata->type == IEEE80211_IF_TYPE_AP) {
 723                 len = sdata->u.ap.ssid_len;
 724                 if (len > IW_ESSID_MAX_SIZE)
 725                         len = IW_ESSID_MAX_SIZE;
 726                 memcpy(ssid, sdata->u.ap.ssid, len);
 727                 data->length = len;
 728                 data->flags = 1;
 729                 return 0;
 730         }
 731         return -EOPNOTSUPP;
 732 }
 733
 734
 735 static int ieee80211_ioctl_siwap(struct net_device *dev,
 736                                  struct iw_request_info *info,
 737                                  struct sockaddr *ap_addr, char *extra)
 738 {
 739         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 740         struct ieee80211_sub_if_data *sdata;
 741
 742         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 743         if (sdata->type == IEEE80211_IF_TYPE_STA ||
 744             sdata->type == IEEE80211_IF_TYPE_IBSS) {
 745                 int ret;
 746                 if (local->user_space_mlme) {
 747                         memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
 748                                ETH_ALEN);
 749                         return 0;
 750                 }
 751                 if (is_zero_ether_addr((u8 *) &ap_addr->sa_data)) {
 752                         sdata->u.sta.auto_bssid_sel = 1;
 753                         sdata->u.sta.auto_channel_sel = 1;
 754                 } else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
 755                         sdata->u.sta.auto_bssid_sel = 1;
 756                 else
 757                         sdata->u.sta.auto_bssid_sel = 0;
 758                 ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data);
 759                 if (ret)
 760                         return ret;
 761                 ieee80211_sta_req_auth(dev, &sdata->u.sta);
 762                 return 0;
 763         } else if (sdata->type == IEEE80211_IF_TYPE_WDS) {
 764                 if (memcmp(sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
 765                            ETH_ALEN) == 0)
 766                         return 0;
 767                 return ieee80211_if_update_wds(dev, (u8 *) &ap_addr->sa_data);
 768         }
 769
 770         return -EOPNOTSUPP;
 771 }
 772
 773
 774 static int ieee80211_ioctl_giwap(struct net_device *dev,
 775                                  struct iw_request_info *info,
 776                                  struct sockaddr *ap_addr, char *extra)
 777 {
 778         struct ieee80211_sub_if_data *sdata;
 779
 780         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 781         if (sdata->type == IEEE80211_IF_TYPE_STA ||
 782             sdata->type == IEEE80211_IF_TYPE_IBSS) {
 783                 ap_addr->sa_family = ARPHRD_ETHER;
 784                 memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
 785                 return 0;
 786         } else if (sdata->type == IEEE80211_IF_TYPE_WDS) {
 787                 ap_addr->sa_family = ARPHRD_ETHER;
 788                 memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
 789                 return 0;
 790         }
 791
 792         return -EOPNOTSUPP;
 793 }
 794
 795
 796 static int ieee80211_ioctl_siwscan(struct net_device *dev,
 797                                    struct iw_request_info *info,
 798                                    struct iw_point *data, char *extra)
 799 {
 800         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 801         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 802         u8 *ssid = NULL;
 803         size_t ssid_len = 0;
 804
 805         if (!netif_running(dev))
 806                 return -ENETDOWN;
 807
 808         if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
 809                 if (sdata->type == IEEE80211_IF_TYPE_STA ||
 810                     sdata->type == IEEE80211_IF_TYPE_IBSS) {
 811                         ssid = sdata->u.sta.ssid;
 812                         ssid_len = sdata->u.sta.ssid_len;
 813                 } else if (sdata->type == IEEE80211_IF_TYPE_AP) {
 814                         ssid = sdata->u.ap.ssid;
 815                         ssid_len = sdata->u.ap.ssid_len;
 816                 } else
 817                         return -EINVAL;
 818         }
 819         return ieee80211_sta_req_scan(dev, ssid, ssid_len);
 820 }
 821
 822
 823 static int ieee80211_ioctl_giwscan(struct net_device *dev,
 824                                    struct iw_request_info *info,
 825                                    struct iw_point *data, char *extra)
 826 {
 827         int res;
 828         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 829         if (local->sta_scanning)
 830                 return -EAGAIN;
 831         res = ieee80211_sta_scan_results(dev, extra, data->length);
 832         if (res >= 0) {
 833                 data->length = res;
 834                 return 0;
 835         }
 836         data->length = 0;
 837         return res;
 838 }
 839
 840
 841 static int ieee80211_ioctl_siwrts(struct net_device *dev,
 842                                   struct iw_request_info *info,
 843                                   struct iw_param *rts, char *extra)
 844 {
 845         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 846
 847         if (rts->disabled)
 848                 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
 849         else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
 850                 return -EINVAL;
 851         else
 852                 local->rts_threshold = rts->value;
 853
 854         /* If the wlan card performs RTS/CTS in hardware/firmware,
 855          * configure it here */
 856
 857         if (local->ops->set_rts_threshold)
 858                 local->ops->set_rts_threshold(local_to_hw(local),
 859                                              local->rts_threshold);
 860
 861         return 0;
 862 }
 863
 864 static int ieee80211_ioctl_giwrts(struct net_device *dev,
 865                                   struct iw_request_info *info,
 866                                   struct iw_param *rts, char *extra)
 867 {
 868         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 869
 870         rts->value = local->rts_threshold;
 871         rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD);
 872         rts->fixed = 1;
 873
 874         return 0;
 875 }
 876
 877
 878 static int ieee80211_ioctl_siwfrag(struct net_device *dev,
 879                                    struct iw_request_info *info,
 880                                    struct iw_param *frag, char *extra)
 881 {
 882         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 883
 884         if (frag->disabled)
 885                 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
 886         else if (frag->value < 256 ||
 887                  frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
 888                 return -EINVAL;
 889         else {
 890                 /* Fragment length must be even, so strip LSB. */
 891                 local->fragmentation_threshold = frag->value & ~0x1;
 892         }
 893
 894         /* If the wlan card performs fragmentation in hardware/firmware,
 895          * configure it here */
 896
 897         if (local->ops->set_frag_threshold)
 898                 local->ops->set_frag_threshold(
 899                         local_to_hw(local),
 900                         local->fragmentation_threshold);
 901
 902         return 0;
 903 }
 904
 905 static int ieee80211_ioctl_giwfrag(struct net_device *dev,
 906                                    struct iw_request_info *info,
 907                                    struct iw_param *frag, char *extra)
 908 {
 909         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 910
 911         frag->value = local->fragmentation_threshold;
 912         frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
 913         frag->fixed = 1;
 914
 915         return 0;
 916 }
 917
 918
 919 static int ieee80211_ioctl_siwretry(struct net_device *dev,
 920                                     struct iw_request_info *info,
 921                                     struct iw_param *retry, char *extra)
 922 {
 923         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 924
 925         if (retry->disabled ||
 926             (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
 927                 return -EINVAL;
 928
 929         if (retry->flags & IW_RETRY_MAX)
 930                 local->long_retry_limit = retry->value;
 931         else if (retry->flags & IW_RETRY_MIN)
 932                 local->short_retry_limit = retry->value;
 933         else {
 934                 local->long_retry_limit = retry->value;
 935                 local->short_retry_limit = retry->value;
 936         }
 937
 938         if (local->ops->set_retry_limit) {
 939                 return local->ops->set_retry_limit(
 940                         local_to_hw(local),
 941                         local->short_retry_limit,
 942                         local->long_retry_limit);
 943         }
 944
 945         return 0;
 946 }
 947
 948
 949 static int ieee80211_ioctl_giwretry(struct net_device *dev,
 950                                     struct iw_request_info *info,
 951                                     struct iw_param *retry, char *extra)
 952 {
 953         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 954
 955         retry->disabled = 0;
 956         if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) {
 957                 /* first return min value, iwconfig will ask max value
 958                  * later if needed */
 959                 retry->flags |= IW_RETRY_LIMIT;
 960                 retry->value = local->short_retry_limit;
 961                 if (local->long_retry_limit != local->short_retry_limit)
 962                         retry->flags |= IW_RETRY_MIN;
 963                 return 0;
 964         }
 965         if (retry->flags & IW_RETRY_MAX) {
 966                 retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
 967                 retry->value = local->long_retry_limit;
 968         }
 969
 970         return 0;
 971 }
 972
 973 static int ieee80211_ioctl_clear_keys(struct net_device *dev)
 974 {
 975         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 976         struct ieee80211_key_conf key;
 977         int i;
 978         u8 addr[ETH_ALEN];
 979         struct ieee80211_key_conf *keyconf;
 980         struct ieee80211_sub_if_data *sdata;
 981         struct sta_info *sta;
 982
 983         memset(addr, 0xff, ETH_ALEN);
 984         read_lock(&local->sub_if_lock);
 985         list_for_each_entry(sdata, &local->sub_if_list, list) {
 986                 for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
 987                         keyconf = NULL;
 988                         if (sdata->keys[i] &&
 989                             !sdata->keys[i]->force_sw_encrypt &&
 990                             local->ops->set_key &&
 991                             (keyconf = ieee80211_key_data2conf(local,
 992                                                                sdata->keys[i])))
 993                                 local->ops->set_key(local_to_hw(local),
 994                                                    DISABLE_KEY, addr,
 995                                                    keyconf, 0);
 996                         kfree(keyconf);
 997                         ieee80211_key_free(sdata->keys[i]);
 998                         sdata->keys[i] = NULL;
 999                 }
1000                 sdata->default_key = NULL;
1001         }
1002         read_unlock(&local->sub_if_lock);
1003
1004         spin_lock_bh(&local->sta_lock);
1005         list_for_each_entry(sta, &local->sta_list, list) {
1006                 keyconf = NULL;
1007                 if (sta->key && !sta->key->force_sw_encrypt &&
1008                     local->ops->set_key &&
1009                     (keyconf = ieee80211_key_data2conf(local, sta->key)))
1010                         local->ops->set_key(local_to_hw(local), DISABLE_KEY,
1011                                            sta->addr, keyconf, sta->aid);
1012                 kfree(keyconf);
1013                 ieee80211_key_free(sta->key);
1014                 sta->key = NULL;
1015         }
1016         spin_unlock_bh(&local->sta_lock);
1017
1018         memset(&key, 0, sizeof(key));
1019         if (local->ops->set_key &&
1020                     local->ops->set_key(local_to_hw(local), REMOVE_ALL_KEYS,
1021                                        NULL, &key, 0))
1022                 printk(KERN_DEBUG "%s: failed to remove hwaccel keys\n",
1023                        dev->name);
1024
1025         return 0;
1026 }
1027
1028
1029 static int
1030 ieee80211_ioctl_force_unicast_rate(struct net_device *dev,
1031                                    struct ieee80211_sub_if_data *sdata,
1032                                    int rate)
1033 {
1034         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1035         struct ieee80211_hw_mode *mode;
1036         int i;
1037
1038         if (sdata->type != IEEE80211_IF_TYPE_AP)
1039                 return -ENOENT;
1040
1041         if (rate == 0) {
1042                 sdata->u.ap.force_unicast_rateidx = -1;
1043                 return 0;
1044         }
1045
1046         mode = local->oper_hw_mode;
1047         for (i = 0; i < mode->num_rates; i++) {
1048                 if (mode->rates[i].rate == rate) {
1049                         sdata->u.ap.force_unicast_rateidx = i;
1050                         return 0;
1051                 }
1052         }
1053         return -EINVAL;
1054 }
1055
1056
1057 static int
1058 ieee80211_ioctl_max_ratectrl_rate(struct net_device *dev,
1059                                   struct ieee80211_sub_if_data *sdata,
1060                                   int rate)
1061 {
1062         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1063         struct ieee80211_hw_mode *mode;
1064         int i;
1065
1066         if (sdata->type != IEEE80211_IF_TYPE_AP)
1067                 return -ENOENT;
1068
1069         if (rate == 0) {
1070                 sdata->u.ap.max_ratectrl_rateidx = -1;
1071                 return 0;
1072         }
1073
1074         mode = local->oper_hw_mode;
1075         for (i = 0; i < mode->num_rates; i++) {
1076                 if (mode->rates[i].rate == rate) {
1077                         sdata->u.ap.max_ratectrl_rateidx = i;
1078                         return 0;
1079                 }
1080         }
1081         return -EINVAL;
1082 }
1083
1084
1085 static void ieee80211_key_enable_hwaccel(struct ieee80211_local *local,
1086                                          struct ieee80211_key *key)
1087 {
1088         struct ieee80211_key_conf *keyconf;
1089         u8 addr[ETH_ALEN];
1090
1091         if (!key || key->alg != ALG_WEP || !key->force_sw_encrypt ||
1092             (local->hw.flags & IEEE80211_HW_DEVICE_HIDES_WEP))
1093                 return;
1094
1095         memset(addr, 0xff, ETH_ALEN);
1096         keyconf = ieee80211_key_data2conf(local, key);
1097         if (keyconf && local->ops->set_key &&
1098             local->ops->set_key(local_to_hw(local),
1099                                SET_KEY, addr, keyconf, 0) == 0) {
1100                 key->force_sw_encrypt =
1101                         !!(keyconf->flags & IEEE80211_KEY_FORCE_SW_ENCRYPT);
1102                 key->hw_key_idx = keyconf->hw_key_idx;
1103         }
1104         kfree(keyconf);
1105 }
1106
1107
1108 static void ieee80211_key_disable_hwaccel(struct ieee80211_local *local,
1109                                           struct ieee80211_key *key)
1110 {
1111         struct ieee80211_key_conf *keyconf;
1112         u8 addr[ETH_ALEN];
1113
1114         if (!key || key->alg != ALG_WEP || key->force_sw_encrypt ||
1115             (local->hw.flags & IEEE80211_HW_DEVICE_HIDES_WEP))
1116                 return;
1117
1118         memset(addr, 0xff, ETH_ALEN);
1119         keyconf = ieee80211_key_data2conf(local, key);
1120         if (keyconf && local->ops->set_key)
1121                 local->ops->set_key(local_to_hw(local), DISABLE_KEY,
1122                                    addr, keyconf, 0);
1123         kfree(keyconf);
1124         key->force_sw_encrypt = 1;
1125 }
1126
1127
1128 static int ieee80211_ioctl_default_wep_only(struct ieee80211_local *local,
1129                                             int value)
1130 {
1131         int i;
1132         struct ieee80211_sub_if_data *sdata;
1133
1134         local->default_wep_only = value;
1135         read_lock(&local->sub_if_lock);
1136         list_for_each_entry(sdata, &local->sub_if_list, list)
1137                 for (i = 0; i < NUM_DEFAULT_KEYS; i++)
1138                         if (value)
1139                                 ieee80211_key_enable_hwaccel(local,
1140                                                              sdata->keys[i]);
1141                         else
1142                                 ieee80211_key_disable_hwaccel(local,
1143                                                               sdata->keys[i]);
1144         read_unlock(&local->sub_if_lock);
1145
1146         return 0;
1147 }
1148
1149
1150 void ieee80211_update_default_wep_only(struct ieee80211_local *local)
1151 {
1152         int i = 0;
1153         struct ieee80211_sub_if_data *sdata;
1154
1155         read_lock(&local->sub_if_lock);
1156         list_for_each_entry(sdata, &local->sub_if_list, list) {
1157
1158                 if (sdata->dev == local->mdev)
1159                         continue;
1160
1161                 /* If there is an AP interface then depend on userspace to
1162                    set default_wep_only correctly. */
1163                 if (sdata->type == IEEE80211_IF_TYPE_AP) {
1164                         read_unlock(&local->sub_if_lock);
1165                         return;
1166                 }
1167
1168                 i++;
1169         }
1170
1171         read_unlock(&local->sub_if_lock);
1172
1173         if (i <= 1)
1174                 ieee80211_ioctl_default_wep_only(local, 1);
1175         else
1176                 ieee80211_ioctl_default_wep_only(local, 0);
1177 }
1178
1179
1180 static int ieee80211_ioctl_prism2_param(struct net_device *dev,
1181                                         struct iw_request_info *info,
1182                                         void *wrqu, char *extra)
1183 {
1184         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1185         struct ieee80211_sub_if_data *sdata;
1186         int *i = (int *) extra;
1187         int param = *i;
1188         int value = *(i + 1);
1189         int ret = 0;
1190
1191         if (!capable(CAP_NET_ADMIN))
1192                 return -EPERM;
1193
1194         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1195
1196         switch (param) {
1197         case PRISM2_PARAM_IEEE_802_1X:
1198                 if (local->ops->set_ieee8021x)
1199                         ret = local->ops->set_ieee8021x(local_to_hw(local),
1200                                                         value);
1201                 if (ret)
1202                         printk(KERN_DEBUG "%s: failed to set IEEE 802.1X (%d) "
1203                                "for low-level driver\n", dev->name, value);
1204                 else
1205                         sdata->ieee802_1x = value;
1206                 break;
1207
1208         case PRISM2_PARAM_ANTSEL_TX:
1209                 local->hw.conf.antenna_sel_tx = value;
1210                 if (ieee80211_hw_config(local))
1211                         ret = -EINVAL;
1212                 break;
1213
1214         case PRISM2_PARAM_ANTSEL_RX:
1215                 local->hw.conf.antenna_sel_rx = value;
1216                 if (ieee80211_hw_config(local))
1217                         ret = -EINVAL;
1218                 break;
1219
1220         case PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES:
1221                 local->cts_protect_erp_frames = value;
1222                 break;
1223
1224         case PRISM2_PARAM_DROP_UNENCRYPTED:
1225                 sdata->drop_unencrypted = value;
1226                 break;
1227
1228         case PRISM2_PARAM_PREAMBLE:
1229                 local->short_preamble = value;
1230                 break;
1231
1232         case PRISM2_PARAM_STAT_TIME:
1233                 if (!local->stat_time && value) {
1234                         local->stat_timer.expires = jiffies + HZ * value / 100;
1235                         add_timer(&local->stat_timer);
1236                 } else if (local->stat_time && !value) {
1237                         del_timer_sync(&local->stat_timer);
1238                 }
1239                 local->stat_time = value;
1240                 break;
1241         case PRISM2_PARAM_SHORT_SLOT_TIME:
1242                 if (value)
1243                         local->hw.conf.flags |= IEEE80211_CONF_SHORT_SLOT_TIME;
1244                 else
1245                         local->hw.conf.flags &= ~IEEE80211_CONF_SHORT_SLOT_TIME;
1246                 if (ieee80211_hw_config(local))
1247                         ret = -EINVAL;
1248                 break;
1249
1250         case PRISM2_PARAM_NEXT_MODE:
1251                 local->next_mode = value;
1252                 break;
1253
1254         case PRISM2_PARAM_CLEAR_KEYS:
1255                 ret = ieee80211_ioctl_clear_keys(dev);
1256                 break;
1257
1258         case PRISM2_PARAM_RADIO_ENABLED:
1259                 ret = ieee80211_ioctl_set_radio_enabled(dev, value);
1260                 break;
1261
1262         case PRISM2_PARAM_ANTENNA_MODE:
1263                 local->hw.conf.antenna_mode = value;
1264                 if (ieee80211_hw_config(local))
1265                         ret = -EINVAL;
1266                 break;
1267
1268         case PRISM2_PARAM_STA_ANTENNA_SEL:
1269                 local->sta_antenna_sel = value;
1270                 break;
1271
1272         case PRISM2_PARAM_FORCE_UNICAST_RATE:
1273                 ret = ieee80211_ioctl_force_unicast_rate(dev, sdata, value);
1274                 break;
1275
1276         case PRISM2_PARAM_MAX_RATECTRL_RATE:
1277                 ret = ieee80211_ioctl_max_ratectrl_rate(dev, sdata, value);
1278                 break;
1279
1280         case PRISM2_PARAM_RATE_CTRL_NUM_UP:
1281                 local->rate_ctrl_num_up = value;
1282                 break;
1283
1284         case PRISM2_PARAM_RATE_CTRL_NUM_DOWN:
1285                 local->rate_ctrl_num_down = value;
1286                 break;
1287
1288         case PRISM2_PARAM_TX_POWER_REDUCTION:
1289                 if (value < 0)
1290                         ret = -EINVAL;
1291                 else
1292                         local->hw.conf.tx_power_reduction = value;
1293                 break;
1294
1295         case PRISM2_PARAM_KEY_TX_RX_THRESHOLD:
1296                 local->key_tx_rx_threshold = value;
1297                 break;
1298
1299         case PRISM2_PARAM_DEFAULT_WEP_ONLY:
1300                 ret = ieee80211_ioctl_default_wep_only(local, value);
1301                 break;
1302
1303         case PRISM2_PARAM_WIFI_WME_NOACK_TEST:
1304                 local->wifi_wme_noack_test = value;
1305                 break;
1306
1307         case PRISM2_PARAM_SCAN_FLAGS:
1308                 local->scan_flags = value;
1309                 break;
1310
1311         case PRISM2_PARAM_MIXED_CELL:
1312                 if (sdata->type != IEEE80211_IF_TYPE_STA &&
1313                     sdata->type != IEEE80211_IF_TYPE_IBSS)
1314                         ret = -EINVAL;
1315                 else
1316                         sdata->u.sta.mixed_cell = !!value;
1317                 break;
1318
1319         case PRISM2_PARAM_HW_MODES:
1320                 local->enabled_modes = value;
1321                 break;
1322
1323         case PRISM2_PARAM_CREATE_IBSS:
1324                 if (sdata->type != IEEE80211_IF_TYPE_IBSS)
1325                         ret = -EINVAL;
1326                 else
1327                         sdata->u.sta.create_ibss = !!value;
1328                 break;
1329         case PRISM2_PARAM_WMM_ENABLED:
1330                 if (sdata->type != IEEE80211_IF_TYPE_STA &&
1331                     sdata->type != IEEE80211_IF_TYPE_IBSS)
1332                         ret = -EINVAL;
1333                 else
1334                         sdata->u.sta.wmm_enabled = !!value;
1335                 break;
1336         case PRISM2_PARAM_RADAR_DETECT:
1337                 local->hw.conf.radar_detect = value;
1338                 break;
1339         case PRISM2_PARAM_SPECTRUM_MGMT:
1340                 local->hw.conf.spect_mgmt = value;
1341                 break;
1342         default:
1343                 ret = -EOPNOTSUPP;
1344                 break;
1345         }
1346
1347         return ret;
1348 }
1349
1350
1351 static int ieee80211_ioctl_get_prism2_param(struct net_device *dev,
1352                                             struct iw_request_info *info,
1353                                             void *wrqu, char *extra)
1354 {
1355         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1356         struct ieee80211_sub_if_data *sdata;
1357         int *param = (int *) extra;
1358         int ret = 0;
1359
1360         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1361
1362         switch (*param) {
1363         case PRISM2_PARAM_IEEE_802_1X:
1364                 *param = sdata->ieee802_1x;
1365                 break;
1366
1367         case PRISM2_PARAM_ANTSEL_TX:
1368                 *param = local->hw.conf.antenna_sel_tx;
1369                 break;
1370
1371         case PRISM2_PARAM_ANTSEL_RX:
1372                 *param = local->hw.conf.antenna_sel_rx;
1373                 break;
1374
1375         case PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES:
1376                 *param = local->cts_protect_erp_frames;
1377                 break;
1378
1379         case PRISM2_PARAM_DROP_UNENCRYPTED:
1380                 *param = sdata->drop_unencrypted;
1381                 break;
1382
1383         case PRISM2_PARAM_PREAMBLE:
1384                 *param = local->short_preamble;
1385                 break;
1386
1387         case PRISM2_PARAM_STAT_TIME:
1388                 *param = local->stat_time;
1389                 break;
1390         case PRISM2_PARAM_SHORT_SLOT_TIME:
1391                 *param = !!(local->hw.conf.flags & IEEE80211_CONF_SHORT_SLOT_TIME);
1392                 break;
1393
1394         case PRISM2_PARAM_NEXT_MODE:
1395                 *param = local->next_mode;
1396                 break;
1397
1398         case PRISM2_PARAM_ANTENNA_MODE:
1399                 *param = local->hw.conf.antenna_mode;
1400                 break;
1401
1402         case PRISM2_PARAM_STA_ANTENNA_SEL:
1403                 *param = local->sta_antenna_sel;
1404                 break;
1405
1406         case PRISM2_PARAM_RATE_CTRL_NUM_UP:
1407                 *param = local->rate_ctrl_num_up;
1408                 break;
1409
1410         case PRISM2_PARAM_RATE_CTRL_NUM_DOWN:
1411                 *param = local->rate_ctrl_num_down;
1412                 break;
1413
1414         case PRISM2_PARAM_TX_POWER_REDUCTION:
1415                 *param = local->hw.conf.tx_power_reduction;
1416                 break;
1417
1418         case PRISM2_PARAM_KEY_TX_RX_THRESHOLD:
1419                 *param = local->key_tx_rx_threshold;
1420                 break;
1421
1422         case PRISM2_PARAM_DEFAULT_WEP_ONLY:
1423                 *param = local->default_wep_only;
1424                 break;
1425
1426         case PRISM2_PARAM_WIFI_WME_NOACK_TEST:
1427                 *param = local->wifi_wme_noack_test;
1428                 break;
1429
1430         case PRISM2_PARAM_SCAN_FLAGS:
1431                 *param = local->scan_flags;
1432                 break;
1433
1434         case PRISM2_PARAM_HW_MODES:
1435                 *param = local->enabled_modes;
1436                 break;
1437
1438         case PRISM2_PARAM_CREATE_IBSS:
1439                 if (sdata->type != IEEE80211_IF_TYPE_IBSS)
1440                         ret = -EINVAL;
1441                 else
1442                         *param = !!sdata->u.sta.create_ibss;
1443                 break;
1444
1445         case PRISM2_PARAM_MIXED_CELL:
1446                 if (sdata->type != IEEE80211_IF_TYPE_STA &&
1447                     sdata->type != IEEE80211_IF_TYPE_IBSS)
1448                         ret = -EINVAL;
1449                 else
1450                         *param = !!sdata->u.sta.mixed_cell;
1451                 break;
1452         case PRISM2_PARAM_WMM_ENABLED:
1453                 if (sdata->type != IEEE80211_IF_TYPE_STA &&
1454                     sdata->type != IEEE80211_IF_TYPE_IBSS)
1455                         ret = -EINVAL;
1456                 else
1457                         *param = !!sdata->u.sta.wmm_enabled;
1458                 break;
1459         default:
1460                 ret = -EOPNOTSUPP;
1461                 break;
1462         }
1463
1464         return ret;
1465 }
1466
1467 static int ieee80211_ioctl_siwmlme(struct net_device *dev,
1468                                    struct iw_request_info *info,
1469                                    struct iw_point *data, char *extra)
1470 {
1471         struct ieee80211_sub_if_data *sdata;
1472         struct iw_mlme *mlme = (struct iw_mlme *) extra;
1473
1474         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1475         if (sdata->type != IEEE80211_IF_TYPE_STA &&
1476             sdata->type != IEEE80211_IF_TYPE_IBSS)
1477                 return -EINVAL;
1478
1479         switch (mlme->cmd) {
1480         case IW_MLME_DEAUTH:
1481                 /* TODO: mlme->addr.sa_data */
1482                 return ieee80211_sta_deauthenticate(dev, mlme->reason_code);
1483         case IW_MLME_DISASSOC:
1484                 /* TODO: mlme->addr.sa_data */
1485                 return ieee80211_sta_disassociate(dev, mlme->reason_code);
1486         default:
1487                 return -EOPNOTSUPP;
1488         }
1489 }
1490
1491
1492 static int ieee80211_ioctl_siwencode(struct net_device *dev,
1493                                      struct iw_request_info *info,
1494                                      struct iw_point *erq, char *keybuf)
1495 {
1496         struct ieee80211_sub_if_data *sdata;
1497         int idx, i, alg = ALG_WEP;
1498         u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1499
1500         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1501
1502         idx = erq->flags & IW_ENCODE_INDEX;
1503         if (idx == 0) {
1504                 if (sdata->default_key)
1505                         for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
1506                                 if (sdata->default_key == sdata->keys[i]) {
1507                                         idx = i;
1508                                         break;
1509                                 }
1510                         }
1511         } else if (idx < 1 || idx > 4)
1512                 return -EINVAL;
1513         else
1514                 idx--;
1515
1516         if (erq->flags & IW_ENCODE_DISABLED)
1517                 alg = ALG_NONE;
1518         else if (erq->length == 0) {
1519                 /* No key data - just set the default TX key index */
1520                 if (sdata->default_key != sdata->keys[idx]) {
1521                         ieee80211_debugfs_key_remove_default(sdata);
1522                         sdata->default_key = sdata->keys[idx];
1523                         if (sdata->default_key)
1524                                 ieee80211_debugfs_key_add_default(sdata);
1525                 }
1526                 return 0;
1527         }
1528
1529         return ieee80211_set_encryption(
1530                 dev, bcaddr,
1531                 idx, alg,
1532                 !sdata->default_key,
1533                 keybuf, erq->length);
1534 }
1535
1536
1537 static int ieee80211_ioctl_giwencode(struct net_device *dev,
1538                                      struct iw_request_info *info,
1539                                      struct iw_point *erq, char *key)
1540 {
1541         struct ieee80211_sub_if_data *sdata;
1542         int idx, i;
1543
1544         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1545
1546         idx = erq->flags & IW_ENCODE_INDEX;
1547         if (idx < 1 || idx > 4) {
1548                 idx = -1;
1549                 if (!sdata->default_key)
1550                         idx = 0;
1551                 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
1552                         if (sdata->default_key == sdata->keys[i]) {
1553                                 idx = i;
1554                                 break;
1555                         }
1556                 }
1557                 if (idx < 0)
1558                         return -EINVAL;
1559         } else
1560                 idx--;
1561
1562         erq->flags = idx + 1;
1563
1564         if (!sdata->keys[idx]) {
1565                 erq->length = 0;
1566                 erq->flags |= IW_ENCODE_DISABLED;
1567                 return 0;
1568         }
1569
1570         memcpy(key, sdata->keys[idx]->key,
1571                min((int)erq->length, sdata->keys[idx]->keylen));
1572         erq->length = sdata->keys[idx]->keylen;
1573         erq->flags |= IW_ENCODE_ENABLED;
1574
1575         return 0;
1576 }
1577
1578 static int ieee80211_ioctl_siwauth(struct net_device *dev,
1579                                    struct iw_request_info *info,
1580                                    struct iw_param *data, char *extra)
1581 {
1582         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1583         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1584         int ret = 0;
1585
1586         switch (data->flags & IW_AUTH_INDEX) {
1587         case IW_AUTH_WPA_VERSION:
1588         case IW_AUTH_CIPHER_PAIRWISE:
1589         case IW_AUTH_CIPHER_GROUP:
1590         case IW_AUTH_WPA_ENABLED:
1591         case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1592                 break;
1593         case IW_AUTH_KEY_MGMT:
1594                 if (sdata->type != IEEE80211_IF_TYPE_STA)
1595                         ret = -EINVAL;
1596                 else {
1597                         /*
1598                          * TODO: sdata->u.sta.key_mgmt does not match with WE18
1599                          * value completely; could consider modifying this to
1600                          * be closer to WE18. For now, this value is not really
1601                          * used for anything else than Privacy matching, so the
1602                          * current code here should be more or less OK.
1603                          */
1604                         if (data->value & IW_AUTH_KEY_MGMT_802_1X) {
1605                                 sdata->u.sta.key_mgmt =
1606                                         IEEE80211_KEY_MGMT_WPA_EAP;
1607                         } else if (data->value & IW_AUTH_KEY_MGMT_PSK) {
1608                                 sdata->u.sta.key_mgmt =
1609                                         IEEE80211_KEY_MGMT_WPA_PSK;
1610                         } else {
1611                                 sdata->u.sta.key_mgmt =
1612                                         IEEE80211_KEY_MGMT_NONE;
1613                         }
1614                 }
1615                 break;
1616         case IW_AUTH_80211_AUTH_ALG:
1617                 if (sdata->type == IEEE80211_IF_TYPE_STA ||
1618                     sdata->type == IEEE80211_IF_TYPE_IBSS)
1619                         sdata->u.sta.auth_algs = data->value;
1620                 else
1621                         ret = -EOPNOTSUPP;
1622                 break;
1623         case IW_AUTH_PRIVACY_INVOKED:
1624                 if (local->ops->set_privacy_invoked)
1625                         ret = local->ops->set_privacy_invoked(
1626                                         local_to_hw(local), data->value);
1627                 break;
1628         default:
1629                 ret = -EOPNOTSUPP;
1630                 break;
1631         }
1632         return ret;
1633 }
1634
1635 /* Get wireless statistics.  Called by /proc/net/wireless and by SIOCGIWSTATS */
1636 static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
1637 {
1638         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1639         struct iw_statistics *wstats = &local->wstats;
1640         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1641         struct sta_info *sta = NULL;
1642
1643         if (sdata->type == IEEE80211_IF_TYPE_STA ||
1644             sdata->type == IEEE80211_IF_TYPE_IBSS)
1645                 sta = sta_info_get(local, sdata->u.sta.bssid);
1646         if (!sta) {
1647                 wstats->discard.fragment = 0;
1648                 wstats->discard.misc = 0;
1649                 wstats->qual.qual = 0;
1650                 wstats->qual.level = 0;
1651                 wstats->qual.noise = 0;
1652                 wstats->qual.updated = IW_QUAL_ALL_INVALID;
1653         } else {
1654                 wstats->qual.level = sta->last_rssi;
1655                 wstats->qual.qual = sta->last_signal;
1656                 wstats->qual.noise = sta->last_noise;
1657                 wstats->qual.updated = local->wstats_flags;
1658                 sta_info_put(sta);
1659         }
1660         return wstats;
1661 }
1662
1663 static int ieee80211_ioctl_giwauth(struct net_device *dev,
1664                                    struct iw_request_info *info,
1665                                    struct iw_param *data, char *extra)
1666 {
1667         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1668         int ret = 0;
1669
1670         switch (data->flags & IW_AUTH_INDEX) {
1671         case IW_AUTH_80211_AUTH_ALG:
1672                 if (sdata->type == IEEE80211_IF_TYPE_STA ||
1673                     sdata->type == IEEE80211_IF_TYPE_IBSS)
1674                         data->value = sdata->u.sta.auth_algs;
1675                 else
1676                         ret = -EOPNOTSUPP;
1677                 break;
1678         default:
1679                 ret = -EOPNOTSUPP;
1680                 break;
1681         }
1682         return ret;
1683 }
1684
1685
1686 static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
1687                                         struct iw_request_info *info,
1688                                         struct iw_point *erq, char *extra)
1689 {
1690         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1691         struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
1692         int alg, idx, i;
1693
1694         switch (ext->alg) {
1695         case IW_ENCODE_ALG_NONE:
1696                 alg = ALG_NONE;
1697                 break;
1698         case IW_ENCODE_ALG_WEP:
1699                 alg = ALG_WEP;
1700                 break;
1701         case IW_ENCODE_ALG_TKIP:
1702                 alg = ALG_TKIP;
1703                 break;
1704         case IW_ENCODE_ALG_CCMP:
1705                 alg = ALG_CCMP;
1706                 break;
1707         default:
1708                 return -EOPNOTSUPP;
1709         }
1710
1711         if (erq->flags & IW_ENCODE_DISABLED)
1712                 alg = ALG_NONE;
1713
1714         idx = erq->flags & IW_ENCODE_INDEX;
1715         if (idx < 1 || idx > 4) {
1716                 idx = -1;
1717                 if (!sdata->default_key)
1718                         idx = 0;
1719                 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
1720                         if (sdata->default_key == sdata->keys[i]) {
1721                                 idx = i;
1722                                 break;
1723                         }
1724                 }
1725                 if (idx < 0)
1726                         return -EINVAL;
1727         } else
1728                 idx--;
1729
1730         return ieee80211_set_encryption(dev, ext->addr.sa_data, idx, alg,
1731                                         ext->ext_flags &
1732                                         IW_ENCODE_EXT_SET_TX_KEY,
1733                                         ext->key, ext->key_len);
1734 }
1735
1736
1737 static const struct iw_priv_args ieee80211_ioctl_priv[] = {
1738         { PRISM2_IOCTL_PRISM2_PARAM,
1739           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "param" },
1740         { PRISM2_IOCTL_GET_PRISM2_PARAM,
1741           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
1742           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_param" },
1743 };
1744
1745 /* Structures to export the Wireless Handlers */
1746
1747 static const iw_handler ieee80211_handler[] =
1748 {
1749         (iw_handler) NULL,                              /* SIOCSIWCOMMIT */
1750         (iw_handler) ieee80211_ioctl_giwname,           /* SIOCGIWNAME */
1751         (iw_handler) NULL,                              /* SIOCSIWNWID */
1752         (iw_handler) NULL,                              /* SIOCGIWNWID */
1753         (iw_handler) ieee80211_ioctl_siwfreq,           /* SIOCSIWFREQ */
1754         (iw_handler) ieee80211_ioctl_giwfreq,           /* SIOCGIWFREQ */
1755         (iw_handler) ieee80211_ioctl_siwmode,           /* SIOCSIWMODE */
1756         (iw_handler) ieee80211_ioctl_giwmode,           /* SIOCGIWMODE */
1757         (iw_handler) NULL,                              /* SIOCSIWSENS */
1758         (iw_handler) NULL,                              /* SIOCGIWSENS */
1759         (iw_handler) NULL /* not used */,               /* SIOCSIWRANGE */
1760         (iw_handler) ieee80211_ioctl_giwrange,          /* SIOCGIWRANGE */
1761         (iw_handler) NULL /* not used */,               /* SIOCSIWPRIV */
1762         (iw_handler) NULL /* kernel code */,            /* SIOCGIWPRIV */
1763         (iw_handler) NULL /* not used */,               /* SIOCSIWSTATS */
1764         (iw_handler) NULL /* kernel code */,            /* SIOCGIWSTATS */
1765         iw_handler_set_spy,                             /* SIOCSIWSPY */
1766         iw_handler_get_spy,                             /* SIOCGIWSPY */
1767         iw_handler_set_thrspy,                          /* SIOCSIWTHRSPY */
1768         iw_handler_get_thrspy,                          /* SIOCGIWTHRSPY */
1769         (iw_handler) ieee80211_ioctl_siwap,             /* SIOCSIWAP */
1770         (iw_handler) ieee80211_ioctl_giwap,             /* SIOCGIWAP */
1771         (iw_handler) ieee80211_ioctl_siwmlme,           /* SIOCSIWMLME */
1772         (iw_handler) NULL,                              /* SIOCGIWAPLIST */
1773         (iw_handler) ieee80211_ioctl_siwscan,           /* SIOCSIWSCAN */
1774         (iw_handler) ieee80211_ioctl_giwscan,           /* SIOCGIWSCAN */
1775         (iw_handler) ieee80211_ioctl_siwessid,          /* SIOCSIWESSID */
1776         (iw_handler) ieee80211_ioctl_giwessid,          /* SIOCGIWESSID */
1777         (iw_handler) NULL,                              /* SIOCSIWNICKN */
1778         (iw_handler) NULL,                              /* SIOCGIWNICKN */
1779         (iw_handler) NULL,                              /* -- hole -- */
1780         (iw_handler) NULL,                              /* -- hole -- */
1781         (iw_handler) NULL,                              /* SIOCSIWRATE */
1782         (iw_handler) NULL,                              /* SIOCGIWRATE */
1783         (iw_handler) ieee80211_ioctl_siwrts,            /* SIOCSIWRTS */
1784         (iw_handler) ieee80211_ioctl_giwrts,            /* SIOCGIWRTS */
1785         (iw_handler) ieee80211_ioctl_siwfrag,           /* SIOCSIWFRAG */
1786         (iw_handler) ieee80211_ioctl_giwfrag,           /* SIOCGIWFRAG */
1787         (iw_handler) NULL,                              /* SIOCSIWTXPOW */
1788         (iw_handler) NULL,                              /* SIOCGIWTXPOW */
1789         (iw_handler) ieee80211_ioctl_siwretry,          /* SIOCSIWRETRY */
1790         (iw_handler) ieee80211_ioctl_giwretry,          /* SIOCGIWRETRY */
1791         (iw_handler) ieee80211_ioctl_siwencode,         /* SIOCSIWENCODE */
1792         (iw_handler) ieee80211_ioctl_giwencode,         /* SIOCGIWENCODE */
1793         (iw_handler) NULL,                              /* SIOCSIWPOWER */
1794         (iw_handler) NULL,                              /* SIOCGIWPOWER */
1795         (iw_handler) NULL,                              /* -- hole -- */
1796         (iw_handler) NULL,                              /* -- hole -- */
1797         (iw_handler) ieee80211_ioctl_siwgenie,          /* SIOCSIWGENIE */
1798         (iw_handler) NULL,                              /* SIOCGIWGENIE */
1799         (iw_handler) ieee80211_ioctl_siwauth,           /* SIOCSIWAUTH */
1800         (iw_handler) ieee80211_ioctl_giwauth,           /* SIOCGIWAUTH */
1801         (iw_handler) ieee80211_ioctl_siwencodeext,      /* SIOCSIWENCODEEXT */
1802         (iw_handler) NULL,                              /* SIOCGIWENCODEEXT */
1803         (iw_handler) NULL,                              /* SIOCSIWPMKSA */
1804         (iw_handler) NULL,                              /* -- hole -- */
1805 };
1806
1807 static const iw_handler ieee80211_private_handler[] =
1808 {                                                       /* SIOCIWFIRSTPRIV + */
1809         (iw_handler) ieee80211_ioctl_prism2_param,      /* 0 */
1810         (iw_handler) ieee80211_ioctl_get_prism2_param,  /* 1 */
1811 };
1812
1813 const struct iw_handler_def ieee80211_iw_handler_def =
1814 {
1815         .num_standard   = ARRAY_SIZE(ieee80211_handler),
1816         .num_private    = ARRAY_SIZE(ieee80211_private_handler),
1817         .num_private_args = ARRAY_SIZE(ieee80211_ioctl_priv),
1818         .standard       = (iw_handler *) ieee80211_handler,
1819         .private        = (iw_handler *) ieee80211_private_handler,
1820         .private_args   = (struct iw_priv_args *) ieee80211_ioctl_priv,
1821         .get_wireless_stats = ieee80211_get_wireless_stats,
1822 };