SAFE public projects git trees. - safe/jmp/linux-2.6/blob - net/mac80211/wext.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 "led.h"
  25 #include "rate.h"
  26 #include "wpa.h"
  27 #include "aes_ccm.h"
  28
  29
  30 static int ieee80211_set_encryption(struct ieee80211_sub_if_data *sdata, u8 *sta_addr,
  31                                     int idx, int alg, int remove,
  32                                     int set_tx_key, const u8 *_key,
  33                                     size_t key_len)
  34 {
  35         struct ieee80211_local *local = sdata->local;
  36         struct sta_info *sta;
  37         struct ieee80211_key *key;
  38         int err;
  39
  40         if (alg == ALG_AES_CMAC) {
  41                 if (idx < NUM_DEFAULT_KEYS ||
  42                     idx >= NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS) {
  43                         printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d "
  44                                "(BIP)\n", sdata->dev->name, idx);
  45                         return -EINVAL;
  46                 }
  47         } else if (idx < 0 || idx >= NUM_DEFAULT_KEYS) {
  48                 printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n",
  49                        sdata->dev->name, idx);
  50                 return -EINVAL;
  51         }
  52
  53         if (remove) {
  54                 rcu_read_lock();
  55
  56                 err = 0;
  57
  58                 if (is_broadcast_ether_addr(sta_addr)) {
  59                         key = sdata->keys[idx];
  60                 } else {
  61                         sta = sta_info_get(local, sta_addr);
  62                         if (!sta) {
  63                                 err = -ENOENT;
  64                                 goto out_unlock;
  65                         }
  66                         key = sta->key;
  67                 }
  68
  69                 ieee80211_key_free(key);
  70         } else {
  71                 key = ieee80211_key_alloc(alg, idx, key_len, _key);
  72                 if (!key)
  73                         return -ENOMEM;
  74
  75                 sta = NULL;
  76                 err = 0;
  77
  78                 rcu_read_lock();
  79
  80                 if (!is_broadcast_ether_addr(sta_addr)) {
  81                         set_tx_key = 0;
  82                         /*
  83                          * According to the standard, the key index of a
  84                          * pairwise key must be zero. However, some AP are
  85                          * broken when it comes to WEP key indices, so we
  86                          * work around this.
  87                          */
  88                         if (idx != 0 && alg != ALG_WEP) {
  89                                 ieee80211_key_free(key);
  90                                 err = -EINVAL;
  91                                 goto out_unlock;
  92                         }
  93
  94                         sta = sta_info_get(local, sta_addr);
  95                         if (!sta) {
  96                                 ieee80211_key_free(key);
  97                                 err = -ENOENT;
  98                                 goto out_unlock;
  99                         }
 100                 }
 101
 102                 if (alg == ALG_WEP &&
 103                         key_len != LEN_WEP40 && key_len != LEN_WEP104) {
 104                         ieee80211_key_free(key);
 105                         err = -EINVAL;
 106                         goto out_unlock;
 107                 }
 108
 109                 ieee80211_key_link(key, sdata, sta);
 110
 111                 if (set_tx_key || (!sta && !sdata->default_key && key))
 112                         ieee80211_set_default_key(sdata, idx);
 113                 if (alg == ALG_AES_CMAC &&
 114                     (set_tx_key || (!sta && !sdata->default_mgmt_key && key)))
 115                         ieee80211_set_default_mgmt_key(sdata, idx);
 116         }
 117
 118  out_unlock:
 119         rcu_read_unlock();
 120
 121         return err;
 122 }
 123
 124 static int ieee80211_ioctl_siwgenie(struct net_device *dev,
 125                                     struct iw_request_info *info,
 126                                     struct iw_point *data, char *extra)
 127 {
 128         struct ieee80211_sub_if_data *sdata;
 129
 130         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 131
 132         if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME)
 133                 return -EOPNOTSUPP;
 134
 135         if (sdata->vif.type == NL80211_IFTYPE_STATION ||
 136             sdata->vif.type == NL80211_IFTYPE_ADHOC) {
 137                 int ret = ieee80211_sta_set_extra_ie(sdata, extra, data->length);
 138                 if (ret)
 139                         return ret;
 140                 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
 141                 ieee80211_sta_req_auth(sdata, &sdata->u.sta);
 142                 return 0;
 143         }
 144
 145         return -EOPNOTSUPP;
 146 }
 147
 148 static int ieee80211_ioctl_giwrange(struct net_device *dev,
 149                                  struct iw_request_info *info,
 150                                  struct iw_point *data, char *extra)
 151 {
 152         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 153         struct iw_range *range = (struct iw_range *) extra;
 154         enum ieee80211_band band;
 155         int c = 0;
 156
 157         data->length = sizeof(struct iw_range);
 158         memset(range, 0, sizeof(struct iw_range));
 159
 160         range->we_version_compiled = WIRELESS_EXT;
 161         range->we_version_source = 21;
 162         range->retry_capa = IW_RETRY_LIMIT;
 163         range->retry_flags = IW_RETRY_LIMIT;
 164         range->min_retry = 0;
 165         range->max_retry = 255;
 166         range->min_rts = 0;
 167         range->max_rts = 2347;
 168         range->min_frag = 256;
 169         range->max_frag = 2346;
 170
 171         range->encoding_size[0] = 5;
 172         range->encoding_size[1] = 13;
 173         range->num_encoding_sizes = 2;
 174         range->max_encoding_tokens = NUM_DEFAULT_KEYS;
 175
 176         /* cfg80211 requires this, and enforces 0..100 */
 177         if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)
 178                 range->max_qual.level = 100;
 179         else if  (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
 180                 range->max_qual.level = -110;
 181         else
 182                 range->max_qual.level = 0;
 183
 184         if (local->hw.flags & IEEE80211_HW_NOISE_DBM)
 185                 range->max_qual.noise = -110;
 186         else
 187                 range->max_qual.noise = 0;
 188
 189         range->max_qual.qual = 100;
 190         range->max_qual.updated = local->wstats_flags;
 191
 192         range->avg_qual.qual = 50;
 193         /* not always true but better than nothing */
 194         range->avg_qual.level = range->max_qual.level / 2;
 195         range->avg_qual.noise = range->max_qual.noise / 2;
 196         range->avg_qual.updated = local->wstats_flags;
 197
 198         range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
 199                           IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
 200
 201
 202         for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
 203                 int i;
 204                 struct ieee80211_supported_band *sband;
 205
 206                 sband = local->hw.wiphy->bands[band];
 207
 208                 if (!sband)
 209                         continue;
 210
 211                 for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) {
 212                         struct ieee80211_channel *chan = &sband->channels[i];
 213
 214                         if (!(chan->flags & IEEE80211_CHAN_DISABLED)) {
 215                                 range->freq[c].i =
 216                                         ieee80211_frequency_to_channel(
 217                                                 chan->center_freq);
 218                                 range->freq[c].m = chan->center_freq;
 219                                 range->freq[c].e = 6;
 220                                 c++;
 221                         }
 222                 }
 223         }
 224         range->num_channels = c;
 225         range->num_frequency = c;
 226
 227         IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
 228         IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
 229         IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
 230
 231         range->scan_capa |= IW_SCAN_CAPA_ESSID;
 232
 233         return 0;
 234 }
 235
 236
 237 static int ieee80211_ioctl_siwfreq(struct net_device *dev,
 238                                    struct iw_request_info *info,
 239                                    struct iw_freq *freq, char *extra)
 240 {
 241         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 242
 243         if (sdata->vif.type == NL80211_IFTYPE_ADHOC ||
 244             sdata->vif.type == NL80211_IFTYPE_STATION)
 245                 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
 246
 247         /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
 248         if (freq->e == 0) {
 249                 if (freq->m < 0) {
 250                         if (sdata->vif.type == NL80211_IFTYPE_ADHOC ||
 251                             sdata->vif.type == NL80211_IFTYPE_STATION)
 252                                 sdata->u.sta.flags |=
 253                                         IEEE80211_STA_AUTO_CHANNEL_SEL;
 254                         return 0;
 255                 } else
 256                         return ieee80211_set_freq(sdata,
 257                                 ieee80211_channel_to_frequency(freq->m));
 258         } else {
 259                 int i, div = 1000000;
 260                 for (i = 0; i < freq->e; i++)
 261                         div /= 10;
 262                 if (div > 0)
 263                         return ieee80211_set_freq(sdata, freq->m / div);
 264                 else
 265                         return -EINVAL;
 266         }
 267 }
 268
 269
 270 static int ieee80211_ioctl_giwfreq(struct net_device *dev,
 271                                    struct iw_request_info *info,
 272                                    struct iw_freq *freq, char *extra)
 273 {
 274         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 275
 276         freq->m = local->hw.conf.channel->center_freq;
 277         freq->e = 6;
 278
 279         return 0;
 280 }
 281
 282
 283 static int ieee80211_ioctl_siwessid(struct net_device *dev,
 284                                     struct iw_request_info *info,
 285                                     struct iw_point *data, char *ssid)
 286 {
 287         struct ieee80211_sub_if_data *sdata;
 288         size_t len = data->length;
 289
 290         /* iwconfig uses nul termination in SSID.. */
 291         if (len > 0 && ssid[len - 1] == '\0')
 292                 len--;
 293
 294         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 295         if (sdata->vif.type == NL80211_IFTYPE_STATION ||
 296             sdata->vif.type == NL80211_IFTYPE_ADHOC) {
 297                 int ret;
 298                 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
 299                         if (len > IEEE80211_MAX_SSID_LEN)
 300                                 return -EINVAL;
 301                         memcpy(sdata->u.sta.ssid, ssid, len);
 302                         sdata->u.sta.ssid_len = len;
 303                         return 0;
 304                 }
 305                 if (data->flags)
 306                         sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
 307                 else
 308                         sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
 309                 ret = ieee80211_sta_set_ssid(sdata, ssid, len);
 310                 if (ret)
 311                         return ret;
 312                 ieee80211_sta_req_auth(sdata, &sdata->u.sta);
 313                 return 0;
 314         }
 315
 316         return -EOPNOTSUPP;
 317 }
 318
 319
 320 static int ieee80211_ioctl_giwessid(struct net_device *dev,
 321                                     struct iw_request_info *info,
 322                                     struct iw_point *data, char *ssid)
 323 {
 324         size_t len;
 325
 326         struct ieee80211_sub_if_data *sdata;
 327         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 328         if (sdata->vif.type == NL80211_IFTYPE_STATION ||
 329             sdata->vif.type == NL80211_IFTYPE_ADHOC) {
 330                 int res = ieee80211_sta_get_ssid(sdata, ssid, &len);
 331                 if (res == 0) {
 332                         data->length = len;
 333                         data->flags = 1;
 334                 } else
 335                         data->flags = 0;
 336                 return res;
 337         }
 338
 339         return -EOPNOTSUPP;
 340 }
 341
 342
 343 static int ieee80211_ioctl_siwap(struct net_device *dev,
 344                                  struct iw_request_info *info,
 345                                  struct sockaddr *ap_addr, char *extra)
 346 {
 347         struct ieee80211_sub_if_data *sdata;
 348
 349         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 350         if (sdata->vif.type == NL80211_IFTYPE_STATION ||
 351             sdata->vif.type == NL80211_IFTYPE_ADHOC) {
 352                 int ret;
 353                 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
 354                         memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
 355                                ETH_ALEN);
 356                         return 0;
 357                 }
 358                 if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
 359                         sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
 360                                 IEEE80211_STA_AUTO_CHANNEL_SEL;
 361                 else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
 362                         sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
 363                 else
 364                         sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
 365                 ret = ieee80211_sta_set_bssid(sdata, (u8 *) &ap_addr->sa_data);
 366                 if (ret)
 367                         return ret;
 368                 ieee80211_sta_req_auth(sdata, &sdata->u.sta);
 369                 return 0;
 370         } else if (sdata->vif.type == NL80211_IFTYPE_WDS) {
 371                 /*
 372                  * If it is necessary to update the WDS peer address
 373                  * while the interface is running, then we need to do
 374                  * more work here, namely if it is running we need to
 375                  * add a new and remove the old STA entry, this is
 376                  * normally handled by _open() and _stop().
 377                  */
 378                 if (netif_running(dev))
 379                         return -EBUSY;
 380
 381                 memcpy(&sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
 382                        ETH_ALEN);
 383
 384                 return 0;
 385         }
 386
 387         return -EOPNOTSUPP;
 388 }
 389
 390
 391 static int ieee80211_ioctl_giwap(struct net_device *dev,
 392                                  struct iw_request_info *info,
 393                                  struct sockaddr *ap_addr, char *extra)
 394 {
 395         struct ieee80211_sub_if_data *sdata;
 396
 397         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 398         if (sdata->vif.type == NL80211_IFTYPE_STATION ||
 399             sdata->vif.type == NL80211_IFTYPE_ADHOC) {
 400                 if (sdata->u.sta.state == IEEE80211_STA_MLME_ASSOCIATED ||
 401                     sdata->u.sta.state == IEEE80211_STA_MLME_IBSS_JOINED) {
 402                         ap_addr->sa_family = ARPHRD_ETHER;
 403                         memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
 404                         return 0;
 405                 } else {
 406                         memset(&ap_addr->sa_data, 0, ETH_ALEN);
 407                         return 0;
 408                 }
 409         } else if (sdata->vif.type == NL80211_IFTYPE_WDS) {
 410                 ap_addr->sa_family = ARPHRD_ETHER;
 411                 memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
 412                 return 0;
 413         }
 414
 415         return -EOPNOTSUPP;
 416 }
 417
 418
 419 static int ieee80211_ioctl_siwrate(struct net_device *dev,
 420                                   struct iw_request_info *info,
 421                                   struct iw_param *rate, char *extra)
 422 {
 423         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 424         int i, err = -EINVAL;
 425         u32 target_rate = rate->value / 100000;
 426         struct ieee80211_sub_if_data *sdata;
 427         struct ieee80211_supported_band *sband;
 428
 429         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 430
 431         sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
 432
 433         /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
 434          * target_rate = X, rate->fixed = 1 means only rate X
 435          * target_rate = X, rate->fixed = 0 means all rates <= X */
 436         sdata->max_ratectrl_rateidx = -1;
 437         sdata->force_unicast_rateidx = -1;
 438         if (rate->value < 0)
 439                 return 0;
 440
 441         for (i=0; i< sband->n_bitrates; i++) {
 442                 struct ieee80211_rate *brate = &sband->bitrates[i];
 443                 int this_rate = brate->bitrate;
 444
 445                 if (target_rate == this_rate) {
 446                         sdata->max_ratectrl_rateidx = i;
 447                         if (rate->fixed)
 448                                 sdata->force_unicast_rateidx = i;
 449                         err = 0;
 450                         break;
 451                 }
 452         }
 453         return err;
 454 }
 455
 456 static int ieee80211_ioctl_giwrate(struct net_device *dev,
 457                                   struct iw_request_info *info,
 458                                   struct iw_param *rate, char *extra)
 459 {
 460         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 461         struct sta_info *sta;
 462         struct ieee80211_sub_if_data *sdata;
 463         struct ieee80211_supported_band *sband;
 464
 465         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 466
 467         if (sdata->vif.type != NL80211_IFTYPE_STATION)
 468                 return -EOPNOTSUPP;
 469
 470         sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
 471
 472         rcu_read_lock();
 473
 474         sta = sta_info_get(local, sdata->u.sta.bssid);
 475
 476         if (sta && !(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS))
 477                 rate->value = sband->bitrates[sta->last_tx_rate.idx].bitrate;
 478         else
 479                 rate->value = 0;
 480
 481         rcu_read_unlock();
 482
 483         if (!sta)
 484                 return -ENODEV;
 485
 486         rate->value *= 100000;
 487
 488         return 0;
 489 }
 490
 491 static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
 492                                       struct iw_request_info *info,
 493                                       union iwreq_data *data, char *extra)
 494 {
 495         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 496         struct ieee80211_channel* chan = local->hw.conf.channel;
 497         u32 reconf_flags = 0;
 498         int new_power_level;
 499
 500         if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
 501                 return -EINVAL;
 502         if (data->txpower.flags & IW_TXPOW_RANGE)
 503                 return -EINVAL;
 504         if (!chan)
 505                 return -EINVAL;
 506
 507         if (data->txpower.fixed)
 508                 new_power_level = min(data->txpower.value, chan->max_power);
 509         else /* Automatic power level setting */
 510                 new_power_level = chan->max_power;
 511
 512         local->user_power_level = new_power_level;
 513         if (local->hw.conf.power_level != new_power_level)
 514                 reconf_flags |= IEEE80211_CONF_CHANGE_POWER;
 515
 516         if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
 517                 local->hw.conf.radio_enabled = !(data->txpower.disabled);
 518                 reconf_flags |= IEEE80211_CONF_CHANGE_RADIO_ENABLED;
 519                 ieee80211_led_radio(local, local->hw.conf.radio_enabled);
 520         }
 521
 522         if (reconf_flags)
 523                 ieee80211_hw_config(local, reconf_flags);
 524
 525         return 0;
 526 }
 527
 528 static int ieee80211_ioctl_giwtxpower(struct net_device *dev,
 529                                    struct iw_request_info *info,
 530                                    union iwreq_data *data, char *extra)
 531 {
 532         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 533
 534         data->txpower.fixed = 1;
 535         data->txpower.disabled = !(local->hw.conf.radio_enabled);
 536         data->txpower.value = local->hw.conf.power_level;
 537         data->txpower.flags = IW_TXPOW_DBM;
 538
 539         return 0;
 540 }
 541
 542 static int ieee80211_ioctl_siwrts(struct net_device *dev,
 543                                   struct iw_request_info *info,
 544                                   struct iw_param *rts, char *extra)
 545 {
 546         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 547
 548         if (rts->disabled)
 549                 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
 550         else if (!rts->fixed)
 551                 /* if the rts value is not fixed, then take default */
 552                 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
 553         else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
 554                 return -EINVAL;
 555         else
 556                 local->rts_threshold = rts->value;
 557
 558         /* If the wlan card performs RTS/CTS in hardware/firmware,
 559          * configure it here */
 560
 561         if (local->ops->set_rts_threshold)
 562                 local->ops->set_rts_threshold(local_to_hw(local),
 563                                              local->rts_threshold);
 564
 565         return 0;
 566 }
 567
 568 static int ieee80211_ioctl_giwrts(struct net_device *dev,
 569                                   struct iw_request_info *info,
 570                                   struct iw_param *rts, char *extra)
 571 {
 572         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 573
 574         rts->value = local->rts_threshold;
 575         rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD);
 576         rts->fixed = 1;
 577
 578         return 0;
 579 }
 580
 581
 582 static int ieee80211_ioctl_siwfrag(struct net_device *dev,
 583                                    struct iw_request_info *info,
 584                                    struct iw_param *frag, char *extra)
 585 {
 586         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 587
 588         if (frag->disabled)
 589                 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
 590         else if (!frag->fixed)
 591                 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
 592         else if (frag->value < 256 ||
 593                  frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
 594                 return -EINVAL;
 595         else {
 596                 /* Fragment length must be even, so strip LSB. */
 597                 local->fragmentation_threshold = frag->value & ~0x1;
 598         }
 599
 600         return 0;
 601 }
 602
 603 static int ieee80211_ioctl_giwfrag(struct net_device *dev,
 604                                    struct iw_request_info *info,
 605                                    struct iw_param *frag, char *extra)
 606 {
 607         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 608
 609         frag->value = local->fragmentation_threshold;
 610         frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
 611         frag->fixed = 1;
 612
 613         return 0;
 614 }
 615
 616
 617 static int ieee80211_ioctl_siwretry(struct net_device *dev,
 618                                     struct iw_request_info *info,
 619                                     struct iw_param *retry, char *extra)
 620 {
 621         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 622
 623         if (retry->disabled ||
 624             (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
 625                 return -EINVAL;
 626
 627         if (retry->flags & IW_RETRY_MAX) {
 628                 local->hw.conf.long_frame_max_tx_count = retry->value;
 629         } else if (retry->flags & IW_RETRY_MIN) {
 630                 local->hw.conf.short_frame_max_tx_count = retry->value;
 631         } else {
 632                 local->hw.conf.long_frame_max_tx_count = retry->value;
 633                 local->hw.conf.short_frame_max_tx_count = retry->value;
 634         }
 635
 636         ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
 637
 638         return 0;
 639 }
 640
 641
 642 static int ieee80211_ioctl_giwretry(struct net_device *dev,
 643                                     struct iw_request_info *info,
 644                                     struct iw_param *retry, char *extra)
 645 {
 646         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 647
 648         retry->disabled = 0;
 649         if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) {
 650                 /* first return min value, iwconfig will ask max value
 651                  * later if needed */
 652                 retry->flags |= IW_RETRY_LIMIT;
 653                 retry->value = local->hw.conf.short_frame_max_tx_count;
 654                 if (local->hw.conf.long_frame_max_tx_count !=
 655                     local->hw.conf.short_frame_max_tx_count)
 656                         retry->flags |= IW_RETRY_MIN;
 657                 return 0;
 658         }
 659         if (retry->flags & IW_RETRY_MAX) {
 660                 retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
 661                 retry->value = local->hw.conf.long_frame_max_tx_count;
 662         }
 663
 664         return 0;
 665 }
 666
 667 static int ieee80211_ioctl_siwmlme(struct net_device *dev,
 668                                    struct iw_request_info *info,
 669                                    struct iw_point *data, char *extra)
 670 {
 671         struct ieee80211_sub_if_data *sdata;
 672         struct iw_mlme *mlme = (struct iw_mlme *) extra;
 673
 674         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 675         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
 676             sdata->vif.type != NL80211_IFTYPE_ADHOC)
 677                 return -EINVAL;
 678
 679         switch (mlme->cmd) {
 680         case IW_MLME_DEAUTH:
 681                 /* TODO: mlme->addr.sa_data */
 682                 return ieee80211_sta_deauthenticate(sdata, mlme->reason_code);
 683         case IW_MLME_DISASSOC:
 684                 /* TODO: mlme->addr.sa_data */
 685                 return ieee80211_sta_disassociate(sdata, mlme->reason_code);
 686         default:
 687                 return -EOPNOTSUPP;
 688         }
 689 }
 690
 691
 692 static int ieee80211_ioctl_siwencode(struct net_device *dev,
 693                                      struct iw_request_info *info,
 694                                      struct iw_point *erq, char *keybuf)
 695 {
 696         struct ieee80211_sub_if_data *sdata;
 697         int idx, i, alg = ALG_WEP;
 698         u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
 699         int remove = 0;
 700
 701         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 702
 703         idx = erq->flags & IW_ENCODE_INDEX;
 704         if (idx == 0) {
 705                 if (sdata->default_key)
 706                         for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
 707                                 if (sdata->default_key == sdata->keys[i]) {
 708                                         idx = i;
 709                                         break;
 710                                 }
 711                         }
 712         } else if (idx < 1 || idx > 4)
 713                 return -EINVAL;
 714         else
 715                 idx--;
 716
 717         if (erq->flags & IW_ENCODE_DISABLED)
 718                 remove = 1;
 719         else if (erq->length == 0) {
 720                 /* No key data - just set the default TX key index */
 721                 ieee80211_set_default_key(sdata, idx);
 722                 return 0;
 723         }
 724
 725         return ieee80211_set_encryption(
 726                 sdata, bcaddr,
 727                 idx, alg, remove,
 728                 !sdata->default_key,
 729                 keybuf, erq->length);
 730 }
 731
 732
 733 static int ieee80211_ioctl_giwencode(struct net_device *dev,
 734                                      struct iw_request_info *info,
 735                                      struct iw_point *erq, char *key)
 736 {
 737         struct ieee80211_sub_if_data *sdata;
 738         int idx, i;
 739
 740         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 741
 742         idx = erq->flags & IW_ENCODE_INDEX;
 743         if (idx < 1 || idx > 4) {
 744                 idx = -1;
 745                 if (!sdata->default_key)
 746                         idx = 0;
 747                 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
 748                         if (sdata->default_key == sdata->keys[i]) {
 749                                 idx = i;
 750                                 break;
 751                         }
 752                 }
 753                 if (idx < 0)
 754                         return -EINVAL;
 755         } else
 756                 idx--;
 757
 758         erq->flags = idx + 1;
 759
 760         if (!sdata->keys[idx]) {
 761                 erq->length = 0;
 762                 erq->flags |= IW_ENCODE_DISABLED;
 763                 return 0;
 764         }
 765
 766         memcpy(key, sdata->keys[idx]->conf.key,
 767                min_t(int, erq->length, sdata->keys[idx]->conf.keylen));
 768         erq->length = sdata->keys[idx]->conf.keylen;
 769         erq->flags |= IW_ENCODE_ENABLED;
 770
 771         if (sdata->vif.type == NL80211_IFTYPE_STATION) {
 772                 struct ieee80211_if_sta *ifsta = &sdata->u.sta;
 773                 switch (ifsta->auth_alg) {
 774                 case WLAN_AUTH_OPEN:
 775                 case WLAN_AUTH_LEAP:
 776                         erq->flags |= IW_ENCODE_OPEN;
 777                         break;
 778                 case WLAN_AUTH_SHARED_KEY:
 779                         erq->flags |= IW_ENCODE_RESTRICTED;
 780                         break;
 781                 }
 782         }
 783
 784         return 0;
 785 }
 786
 787 static int ieee80211_ioctl_siwpower(struct net_device *dev,
 788                                     struct iw_request_info *info,
 789                                     struct iw_param *wrq,
 790                                     char *extra)
 791 {
 792         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 793         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 794         struct ieee80211_conf *conf = &local->hw.conf;
 795         int ret = 0, timeout = 0;
 796         bool ps;
 797
 798         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
 799                 return -EOPNOTSUPP;
 800
 801         if (sdata->vif.type != NL80211_IFTYPE_STATION)
 802                 return -EINVAL;
 803
 804         if (wrq->disabled) {
 805                 ps = false;
 806                 timeout = 0;
 807                 goto set;
 808         }
 809
 810         switch (wrq->flags & IW_POWER_MODE) {
 811         case IW_POWER_ON:       /* If not specified */
 812         case IW_POWER_MODE:     /* If set all mask */
 813         case IW_POWER_ALL_R:    /* If explicitely state all */
 814                 ps = true;
 815                 break;
 816         default:                /* Otherwise we ignore */
 817                 return -EINVAL;
 818         }
 819
 820         if (wrq->flags & ~(IW_POWER_MODE | IW_POWER_TIMEOUT))
 821                 return -EINVAL;
 822
 823         if (wrq->flags & IW_POWER_TIMEOUT)
 824                 timeout = wrq->value / 1000;
 825
 826  set:
 827         if (ps == local->powersave && timeout == conf->dynamic_ps_timeout)
 828                 return ret;
 829
 830         local->powersave = ps;
 831         conf->dynamic_ps_timeout = timeout;
 832
 833         if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
 834                 ret = ieee80211_hw_config(local,
 835                                           IEEE80211_CONF_CHANGE_DYNPS_TIMEOUT);
 836
 837         if (!(sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED))
 838                 return ret;
 839
 840         if (conf->dynamic_ps_timeout > 0 &&
 841             !(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)) {
 842                 mod_timer(&local->dynamic_ps_timer, jiffies +
 843                           msecs_to_jiffies(conf->dynamic_ps_timeout));
 844         } else {
 845                 if (local->powersave) {
 846                         if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
 847                                 ieee80211_send_nullfunc(local, sdata, 1);
 848                         conf->flags |= IEEE80211_CONF_PS;
 849                         ret = ieee80211_hw_config(local,
 850                                         IEEE80211_CONF_CHANGE_PS);
 851                 } else {
 852                         conf->flags &= ~IEEE80211_CONF_PS;
 853                         ret = ieee80211_hw_config(local,
 854                                         IEEE80211_CONF_CHANGE_PS);
 855                         if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
 856                                 ieee80211_send_nullfunc(local, sdata, 0);
 857                         del_timer_sync(&local->dynamic_ps_timer);
 858                         cancel_work_sync(&local->dynamic_ps_enable_work);
 859                 }
 860         }
 861
 862         return ret;
 863 }
 864
 865 static int ieee80211_ioctl_giwpower(struct net_device *dev,
 866                                     struct iw_request_info *info,
 867                                     union iwreq_data *wrqu,
 868                                     char *extra)
 869 {
 870         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 871
 872         wrqu->power.disabled = !local->powersave;
 873
 874         return 0;
 875 }
 876
 877 static int ieee80211_ioctl_siwauth(struct net_device *dev,
 878                                    struct iw_request_info *info,
 879                                    struct iw_param *data, char *extra)
 880 {
 881         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 882         int ret = 0;
 883
 884         switch (data->flags & IW_AUTH_INDEX) {
 885         case IW_AUTH_WPA_VERSION:
 886         case IW_AUTH_CIPHER_GROUP:
 887         case IW_AUTH_WPA_ENABLED:
 888         case IW_AUTH_RX_UNENCRYPTED_EAPOL:
 889         case IW_AUTH_KEY_MGMT:
 890         case IW_AUTH_CIPHER_GROUP_MGMT:
 891                 break;
 892         case IW_AUTH_CIPHER_PAIRWISE:
 893                 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
 894                         if (data->value & (IW_AUTH_CIPHER_WEP40 |
 895                             IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_TKIP))
 896                                 sdata->u.sta.flags |=
 897                                         IEEE80211_STA_TKIP_WEP_USED;
 898                         else
 899                                 sdata->u.sta.flags &=
 900                                         ~IEEE80211_STA_TKIP_WEP_USED;
 901                 }
 902                 break;
 903         case IW_AUTH_DROP_UNENCRYPTED:
 904                 sdata->drop_unencrypted = !!data->value;
 905                 break;
 906         case IW_AUTH_PRIVACY_INVOKED:
 907                 if (sdata->vif.type != NL80211_IFTYPE_STATION)
 908                         ret = -EINVAL;
 909                 else {
 910                         sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
 911                         /*
 912                          * Privacy invoked by wpa_supplicant, store the
 913                          * value and allow associating to a protected
 914                          * network without having a key up front.
 915                          */
 916                         if (data->value)
 917                                 sdata->u.sta.flags |=
 918                                         IEEE80211_STA_PRIVACY_INVOKED;
 919                 }
 920                 break;
 921         case IW_AUTH_80211_AUTH_ALG:
 922                 if (sdata->vif.type == NL80211_IFTYPE_STATION ||
 923                     sdata->vif.type == NL80211_IFTYPE_ADHOC)
 924                         sdata->u.sta.auth_algs = data->value;
 925                 else
 926                         ret = -EOPNOTSUPP;
 927                 break;
 928         case IW_AUTH_MFP:
 929                 if (!(sdata->local->hw.flags & IEEE80211_HW_MFP_CAPABLE)) {
 930                         ret = -EOPNOTSUPP;
 931                         break;
 932                 }
 933                 if (sdata->vif.type == NL80211_IFTYPE_STATION ||
 934                     sdata->vif.type == NL80211_IFTYPE_ADHOC) {
 935                         switch (data->value) {
 936                         case IW_AUTH_MFP_DISABLED:
 937                                 sdata->u.sta.mfp = IEEE80211_MFP_DISABLED;
 938                                 break;
 939                         case IW_AUTH_MFP_OPTIONAL:
 940                                 sdata->u.sta.mfp = IEEE80211_MFP_OPTIONAL;
 941                                 break;
 942                         case IW_AUTH_MFP_REQUIRED:
 943                                 sdata->u.sta.mfp = IEEE80211_MFP_REQUIRED;
 944                                 break;
 945                         default:
 946                                 ret = -EINVAL;
 947                         }
 948                 } else
 949                         ret = -EOPNOTSUPP;
 950                 break;
 951         default:
 952                 ret = -EOPNOTSUPP;
 953                 break;
 954         }
 955         return ret;
 956 }
 957
 958 /* Get wireless statistics.  Called by /proc/net/wireless and by SIOCGIWSTATS */
 959 static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
 960 {
 961         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 962         struct iw_statistics *wstats = &local->wstats;
 963         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 964         struct sta_info *sta = NULL;
 965
 966         rcu_read_lock();
 967
 968         if (sdata->vif.type == NL80211_IFTYPE_STATION ||
 969             sdata->vif.type == NL80211_IFTYPE_ADHOC)
 970                 sta = sta_info_get(local, sdata->u.sta.bssid);
 971         if (!sta) {
 972                 wstats->discard.fragment = 0;
 973                 wstats->discard.misc = 0;
 974                 wstats->qual.qual = 0;
 975                 wstats->qual.level = 0;
 976                 wstats->qual.noise = 0;
 977                 wstats->qual.updated = IW_QUAL_ALL_INVALID;
 978         } else {
 979                 wstats->qual.level = sta->last_signal;
 980                 wstats->qual.qual = sta->last_qual;
 981                 wstats->qual.noise = sta->last_noise;
 982                 wstats->qual.updated = local->wstats_flags;
 983         }
 984
 985         rcu_read_unlock();
 986
 987         return wstats;
 988 }
 989
 990 static int ieee80211_ioctl_giwauth(struct net_device *dev,
 991                                    struct iw_request_info *info,
 992                                    struct iw_param *data, char *extra)
 993 {
 994         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 995         int ret = 0;
 996
 997         switch (data->flags & IW_AUTH_INDEX) {
 998         case IW_AUTH_80211_AUTH_ALG:
 999                 if (sdata->vif.type == NL80211_IFTYPE_STATION ||
1000                     sdata->vif.type == NL80211_IFTYPE_ADHOC)
1001                         data->value = sdata->u.sta.auth_algs;
1002                 else
1003                         ret = -EOPNOTSUPP;
1004                 break;
1005         default:
1006                 ret = -EOPNOTSUPP;
1007                 break;
1008         }
1009         return ret;
1010 }
1011
1012
1013 static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
1014                                         struct iw_request_info *info,
1015                                         struct iw_point *erq, char *extra)
1016 {
1017         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1018         struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
1019         int uninitialized_var(alg), idx, i, remove = 0;
1020
1021         switch (ext->alg) {
1022         case IW_ENCODE_ALG_NONE:
1023                 remove = 1;
1024                 break;
1025         case IW_ENCODE_ALG_WEP:
1026                 alg = ALG_WEP;
1027                 break;
1028         case IW_ENCODE_ALG_TKIP:
1029                 alg = ALG_TKIP;
1030                 break;
1031         case IW_ENCODE_ALG_CCMP:
1032                 alg = ALG_CCMP;
1033                 break;
1034         case IW_ENCODE_ALG_AES_CMAC:
1035                 alg = ALG_AES_CMAC;
1036                 break;
1037         default:
1038                 return -EOPNOTSUPP;
1039         }
1040
1041         if (erq->flags & IW_ENCODE_DISABLED)
1042                 remove = 1;
1043
1044         idx = erq->flags & IW_ENCODE_INDEX;
1045         if (alg == ALG_AES_CMAC) {
1046                 if (idx < NUM_DEFAULT_KEYS + 1 ||
1047                     idx > NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS) {
1048                         idx = -1;
1049                         if (!sdata->default_mgmt_key)
1050                                 idx = 0;
1051                         else for (i = NUM_DEFAULT_KEYS;
1052                                   i < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS;
1053                                   i++) {
1054                                 if (sdata->default_mgmt_key == sdata->keys[i])
1055                                 {
1056                                         idx = i;
1057                                         break;
1058                                 }
1059                         }
1060                         if (idx < 0)
1061                                 return -EINVAL;
1062                 } else
1063                         idx--;
1064         } else {
1065                 if (idx < 1 || idx > 4) {
1066                         idx = -1;
1067                         if (!sdata->default_key)
1068                                 idx = 0;
1069                         else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
1070                                 if (sdata->default_key == sdata->keys[i]) {
1071                                         idx = i;
1072                                         break;
1073                                 }
1074                         }
1075                         if (idx < 0)
1076                                 return -EINVAL;
1077                 } else
1078                         idx--;
1079         }
1080
1081         return ieee80211_set_encryption(sdata, ext->addr.sa_data, idx, alg,
1082                                         remove,
1083                                         ext->ext_flags &
1084                                         IW_ENCODE_EXT_SET_TX_KEY,
1085                                         ext->key, ext->key_len);
1086 }
1087
1088
1089 /* Structures to export the Wireless Handlers */
1090
1091 static const iw_handler ieee80211_handler[] =
1092 {
1093         (iw_handler) NULL,                              /* SIOCSIWCOMMIT */
1094         (iw_handler) cfg80211_wext_giwname,             /* SIOCGIWNAME */
1095         (iw_handler) NULL,                              /* SIOCSIWNWID */
1096         (iw_handler) NULL,                              /* SIOCGIWNWID */
1097         (iw_handler) ieee80211_ioctl_siwfreq,           /* SIOCSIWFREQ */
1098         (iw_handler) ieee80211_ioctl_giwfreq,           /* SIOCGIWFREQ */
1099         (iw_handler) cfg80211_wext_siwmode,             /* SIOCSIWMODE */
1100         (iw_handler) cfg80211_wext_giwmode,             /* SIOCGIWMODE */
1101         (iw_handler) NULL,                              /* SIOCSIWSENS */
1102         (iw_handler) NULL,                              /* SIOCGIWSENS */
1103         (iw_handler) NULL /* not used */,               /* SIOCSIWRANGE */
1104         (iw_handler) ieee80211_ioctl_giwrange,          /* SIOCGIWRANGE */
1105         (iw_handler) NULL /* not used */,               /* SIOCSIWPRIV */
1106         (iw_handler) NULL /* kernel code */,            /* SIOCGIWPRIV */
1107         (iw_handler) NULL /* not used */,               /* SIOCSIWSTATS */
1108         (iw_handler) NULL /* kernel code */,            /* SIOCGIWSTATS */
1109         (iw_handler) NULL,                              /* SIOCSIWSPY */
1110         (iw_handler) NULL,                              /* SIOCGIWSPY */
1111         (iw_handler) NULL,                              /* SIOCSIWTHRSPY */
1112         (iw_handler) NULL,                              /* SIOCGIWTHRSPY */
1113         (iw_handler) ieee80211_ioctl_siwap,             /* SIOCSIWAP */
1114         (iw_handler) ieee80211_ioctl_giwap,             /* SIOCGIWAP */
1115         (iw_handler) ieee80211_ioctl_siwmlme,           /* SIOCSIWMLME */
1116         (iw_handler) NULL,                              /* SIOCGIWAPLIST */
1117         (iw_handler) cfg80211_wext_siwscan,             /* SIOCSIWSCAN */
1118         (iw_handler) cfg80211_wext_giwscan,             /* SIOCGIWSCAN */
1119         (iw_handler) ieee80211_ioctl_siwessid,          /* SIOCSIWESSID */
1120         (iw_handler) ieee80211_ioctl_giwessid,          /* SIOCGIWESSID */
1121         (iw_handler) NULL,                              /* SIOCSIWNICKN */
1122         (iw_handler) NULL,                              /* SIOCGIWNICKN */
1123         (iw_handler) NULL,                              /* -- hole -- */
1124         (iw_handler) NULL,                              /* -- hole -- */
1125         (iw_handler) ieee80211_ioctl_siwrate,           /* SIOCSIWRATE */
1126         (iw_handler) ieee80211_ioctl_giwrate,           /* SIOCGIWRATE */
1127         (iw_handler) ieee80211_ioctl_siwrts,            /* SIOCSIWRTS */
1128         (iw_handler) ieee80211_ioctl_giwrts,            /* SIOCGIWRTS */
1129         (iw_handler) ieee80211_ioctl_siwfrag,           /* SIOCSIWFRAG */
1130         (iw_handler) ieee80211_ioctl_giwfrag,           /* SIOCGIWFRAG */
1131         (iw_handler) ieee80211_ioctl_siwtxpower,        /* SIOCSIWTXPOW */
1132         (iw_handler) ieee80211_ioctl_giwtxpower,        /* SIOCGIWTXPOW */
1133         (iw_handler) ieee80211_ioctl_siwretry,          /* SIOCSIWRETRY */
1134         (iw_handler) ieee80211_ioctl_giwretry,          /* SIOCGIWRETRY */
1135         (iw_handler) ieee80211_ioctl_siwencode,         /* SIOCSIWENCODE */
1136         (iw_handler) ieee80211_ioctl_giwencode,         /* SIOCGIWENCODE */
1137         (iw_handler) ieee80211_ioctl_siwpower,          /* SIOCSIWPOWER */
1138         (iw_handler) ieee80211_ioctl_giwpower,          /* SIOCGIWPOWER */
1139         (iw_handler) NULL,                              /* -- hole -- */
1140         (iw_handler) NULL,                              /* -- hole -- */
1141         (iw_handler) ieee80211_ioctl_siwgenie,          /* SIOCSIWGENIE */
1142         (iw_handler) NULL,                              /* SIOCGIWGENIE */
1143         (iw_handler) ieee80211_ioctl_siwauth,           /* SIOCSIWAUTH */
1144         (iw_handler) ieee80211_ioctl_giwauth,           /* SIOCGIWAUTH */
1145         (iw_handler) ieee80211_ioctl_siwencodeext,      /* SIOCSIWENCODEEXT */
1146         (iw_handler) NULL,                              /* SIOCGIWENCODEEXT */
1147         (iw_handler) NULL,                              /* SIOCSIWPMKSA */
1148         (iw_handler) NULL,                              /* -- hole -- */
1149 };
1150
1151 const struct iw_handler_def ieee80211_iw_handler_def =
1152 {
1153         .num_standard   = ARRAY_SIZE(ieee80211_handler),
1154         .standard       = (iw_handler *) ieee80211_handler,
1155         .get_wireless_stats = ieee80211_get_wireless_stats,
1156 };