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         if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)
 177                 range->max_qual.level = local->hw.max_signal;
 178         else if  (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
 179                 range->max_qual.level = -110;
 180         else
 181                 range->max_qual.level = 0;
 182
 183         if (local->hw.flags & IEEE80211_HW_NOISE_DBM)
 184                 range->max_qual.noise = -110;
 185         else
 186                 range->max_qual.noise = 0;
 187
 188         range->max_qual.qual = 100;
 189         range->max_qual.updated = local->wstats_flags;
 190
 191         range->avg_qual.qual = 50;
 192         /* not always true but better than nothing */
 193         range->avg_qual.level = range->max_qual.level / 2;
 194         range->avg_qual.noise = range->max_qual.noise / 2;
 195         range->avg_qual.updated = local->wstats_flags;
 196
 197         range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
 198                           IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
 199
 200
 201         for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
 202                 int i;
 203                 struct ieee80211_supported_band *sband;
 204
 205                 sband = local->hw.wiphy->bands[band];
 206
 207                 if (!sband)
 208                         continue;
 209
 210                 for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) {
 211                         struct ieee80211_channel *chan = &sband->channels[i];
 212
 213                         if (!(chan->flags & IEEE80211_CHAN_DISABLED)) {
 214                                 range->freq[c].i =
 215                                         ieee80211_frequency_to_channel(
 216                                                 chan->center_freq);
 217                                 range->freq[c].m = chan->center_freq;
 218                                 range->freq[c].e = 6;
 219                                 c++;
 220                         }
 221                 }
 222         }
 223         range->num_channels = c;
 224         range->num_frequency = c;
 225
 226         IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
 227         IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
 228         IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
 229
 230         range->scan_capa |= IW_SCAN_CAPA_ESSID;
 231
 232         return 0;
 233 }
 234
 235
 236 static int ieee80211_ioctl_siwfreq(struct net_device *dev,
 237                                    struct iw_request_info *info,
 238                                    struct iw_freq *freq, char *extra)
 239 {
 240         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 241
 242         if (sdata->vif.type == NL80211_IFTYPE_ADHOC ||
 243             sdata->vif.type == NL80211_IFTYPE_STATION)
 244                 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
 245
 246         /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
 247         if (freq->e == 0) {
 248                 if (freq->m < 0) {
 249                         if (sdata->vif.type == NL80211_IFTYPE_ADHOC ||
 250                             sdata->vif.type == NL80211_IFTYPE_STATION)
 251                                 sdata->u.sta.flags |=
 252                                         IEEE80211_STA_AUTO_CHANNEL_SEL;
 253                         return 0;
 254                 } else
 255                         return ieee80211_set_freq(sdata,
 256                                 ieee80211_channel_to_frequency(freq->m));
 257         } else {
 258                 int i, div = 1000000;
 259                 for (i = 0; i < freq->e; i++)
 260                         div /= 10;
 261                 if (div > 0)
 262                         return ieee80211_set_freq(sdata, freq->m / div);
 263                 else
 264                         return -EINVAL;
 265         }
 266 }
 267
 268
 269 static int ieee80211_ioctl_giwfreq(struct net_device *dev,
 270                                    struct iw_request_info *info,
 271                                    struct iw_freq *freq, char *extra)
 272 {
 273         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 274
 275         freq->m = local->hw.conf.channel->center_freq;
 276         freq->e = 6;
 277
 278         return 0;
 279 }
 280
 281
 282 static int ieee80211_ioctl_siwessid(struct net_device *dev,
 283                                     struct iw_request_info *info,
 284                                     struct iw_point *data, char *ssid)
 285 {
 286         struct ieee80211_sub_if_data *sdata;
 287         size_t len = data->length;
 288
 289         /* iwconfig uses nul termination in SSID.. */
 290         if (len > 0 && ssid[len - 1] == '\0')
 291                 len--;
 292
 293         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 294         if (sdata->vif.type == NL80211_IFTYPE_STATION ||
 295             sdata->vif.type == NL80211_IFTYPE_ADHOC) {
 296                 int ret;
 297                 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
 298                         if (len > IEEE80211_MAX_SSID_LEN)
 299                                 return -EINVAL;
 300                         memcpy(sdata->u.sta.ssid, ssid, len);
 301                         sdata->u.sta.ssid_len = len;
 302                         return 0;
 303                 }
 304                 if (data->flags)
 305                         sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
 306                 else
 307                         sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
 308                 ret = ieee80211_sta_set_ssid(sdata, ssid, len);
 309                 if (ret)
 310                         return ret;
 311                 ieee80211_sta_req_auth(sdata, &sdata->u.sta);
 312                 return 0;
 313         }
 314
 315         return -EOPNOTSUPP;
 316 }
 317
 318
 319 static int ieee80211_ioctl_giwessid(struct net_device *dev,
 320                                     struct iw_request_info *info,
 321                                     struct iw_point *data, char *ssid)
 322 {
 323         size_t len;
 324
 325         struct ieee80211_sub_if_data *sdata;
 326         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 327         if (sdata->vif.type == NL80211_IFTYPE_STATION ||
 328             sdata->vif.type == NL80211_IFTYPE_ADHOC) {
 329                 int res = ieee80211_sta_get_ssid(sdata, ssid, &len);
 330                 if (res == 0) {
 331                         data->length = len;
 332                         data->flags = 1;
 333                 } else
 334                         data->flags = 0;
 335                 return res;
 336         }
 337
 338         return -EOPNOTSUPP;
 339 }
 340
 341
 342 static int ieee80211_ioctl_siwap(struct net_device *dev,
 343                                  struct iw_request_info *info,
 344                                  struct sockaddr *ap_addr, char *extra)
 345 {
 346         struct ieee80211_sub_if_data *sdata;
 347
 348         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 349         if (sdata->vif.type == NL80211_IFTYPE_STATION ||
 350             sdata->vif.type == NL80211_IFTYPE_ADHOC) {
 351                 int ret;
 352                 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
 353                         memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
 354                                ETH_ALEN);
 355                         return 0;
 356                 }
 357                 if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
 358                         sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
 359                                 IEEE80211_STA_AUTO_CHANNEL_SEL;
 360                 else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
 361                         sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
 362                 else
 363                         sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
 364                 ret = ieee80211_sta_set_bssid(sdata, (u8 *) &ap_addr->sa_data);
 365                 if (ret)
 366                         return ret;
 367                 ieee80211_sta_req_auth(sdata, &sdata->u.sta);
 368                 return 0;
 369         } else if (sdata->vif.type == NL80211_IFTYPE_WDS) {
 370                 /*
 371                  * If it is necessary to update the WDS peer address
 372                  * while the interface is running, then we need to do
 373                  * more work here, namely if it is running we need to
 374                  * add a new and remove the old STA entry, this is
 375                  * normally handled by _open() and _stop().
 376                  */
 377                 if (netif_running(dev))
 378                         return -EBUSY;
 379
 380                 memcpy(&sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
 381                        ETH_ALEN);
 382
 383                 return 0;
 384         }
 385
 386         return -EOPNOTSUPP;
 387 }
 388
 389
 390 static int ieee80211_ioctl_giwap(struct net_device *dev,
 391                                  struct iw_request_info *info,
 392                                  struct sockaddr *ap_addr, char *extra)
 393 {
 394         struct ieee80211_sub_if_data *sdata;
 395
 396         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 397         if (sdata->vif.type == NL80211_IFTYPE_STATION ||
 398             sdata->vif.type == NL80211_IFTYPE_ADHOC) {
 399                 if (sdata->u.sta.state == IEEE80211_STA_MLME_ASSOCIATED ||
 400                     sdata->u.sta.state == IEEE80211_STA_MLME_IBSS_JOINED) {
 401                         ap_addr->sa_family = ARPHRD_ETHER;
 402                         memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
 403                         return 0;
 404                 } else {
 405                         memset(&ap_addr->sa_data, 0, ETH_ALEN);
 406                         return 0;
 407                 }
 408         } else if (sdata->vif.type == NL80211_IFTYPE_WDS) {
 409                 ap_addr->sa_family = ARPHRD_ETHER;
 410                 memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
 411                 return 0;
 412         }
 413
 414         return -EOPNOTSUPP;
 415 }
 416
 417
 418 static int ieee80211_ioctl_siwscan(struct net_device *dev,
 419                                    struct iw_request_info *info,
 420                                    union iwreq_data *wrqu, char *extra)
 421 {
 422         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 423         struct iw_scan_req *req = NULL;
 424         u8 *ssid = NULL;
 425         size_t ssid_len = 0;
 426
 427         if (!netif_running(dev))
 428                 return -ENETDOWN;
 429
 430         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
 431             sdata->vif.type != NL80211_IFTYPE_ADHOC &&
 432             sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
 433                 return -EOPNOTSUPP;
 434
 435         /* if SSID was specified explicitly then use that */
 436         if (wrqu->data.length == sizeof(struct iw_scan_req) &&
 437             wrqu->data.flags & IW_SCAN_THIS_ESSID) {
 438                 req = (struct iw_scan_req *)extra;
 439                 ssid = req->essid;
 440                 ssid_len = req->essid_len;
 441         }
 442
 443         return ieee80211_request_scan(sdata, ssid, ssid_len);
 444 }
 445
 446
 447 static int ieee80211_ioctl_giwscan(struct net_device *dev,
 448                                    struct iw_request_info *info,
 449                                    struct iw_point *data, char *extra)
 450 {
 451         int res;
 452         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 453         struct ieee80211_sub_if_data *sdata;
 454
 455         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 456
 457         if (local->sw_scanning || local->hw_scanning)
 458                 return -EAGAIN;
 459
 460         res = ieee80211_scan_results(local, info, extra, data->length);
 461         if (res >= 0) {
 462                 data->length = res;
 463                 return 0;
 464         }
 465         data->length = 0;
 466         return res;
 467 }
 468
 469
 470 static int ieee80211_ioctl_siwrate(struct net_device *dev,
 471                                   struct iw_request_info *info,
 472                                   struct iw_param *rate, char *extra)
 473 {
 474         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 475         int i, err = -EINVAL;
 476         u32 target_rate = rate->value / 100000;
 477         struct ieee80211_sub_if_data *sdata;
 478         struct ieee80211_supported_band *sband;
 479
 480         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 481
 482         sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
 483
 484         /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
 485          * target_rate = X, rate->fixed = 1 means only rate X
 486          * target_rate = X, rate->fixed = 0 means all rates <= X */
 487         sdata->max_ratectrl_rateidx = -1;
 488         sdata->force_unicast_rateidx = -1;
 489         if (rate->value < 0)
 490                 return 0;
 491
 492         for (i=0; i< sband->n_bitrates; i++) {
 493                 struct ieee80211_rate *brate = &sband->bitrates[i];
 494                 int this_rate = brate->bitrate;
 495
 496                 if (target_rate == this_rate) {
 497                         sdata->max_ratectrl_rateidx = i;
 498                         if (rate->fixed)
 499                                 sdata->force_unicast_rateidx = i;
 500                         err = 0;
 501                         break;
 502                 }
 503         }
 504         return err;
 505 }
 506
 507 static int ieee80211_ioctl_giwrate(struct net_device *dev,
 508                                   struct iw_request_info *info,
 509                                   struct iw_param *rate, char *extra)
 510 {
 511         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 512         struct sta_info *sta;
 513         struct ieee80211_sub_if_data *sdata;
 514         struct ieee80211_supported_band *sband;
 515
 516         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 517
 518         if (sdata->vif.type != NL80211_IFTYPE_STATION)
 519                 return -EOPNOTSUPP;
 520
 521         sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
 522
 523         rcu_read_lock();
 524
 525         sta = sta_info_get(local, sdata->u.sta.bssid);
 526
 527         if (sta && !(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS))
 528                 rate->value = sband->bitrates[sta->last_tx_rate.idx].bitrate;
 529         else
 530                 rate->value = 0;
 531
 532         rcu_read_unlock();
 533
 534         if (!sta)
 535                 return -ENODEV;
 536
 537         rate->value *= 100000;
 538
 539         return 0;
 540 }
 541
 542 static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
 543                                       struct iw_request_info *info,
 544                                       union iwreq_data *data, char *extra)
 545 {
 546         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 547         struct ieee80211_channel* chan = local->hw.conf.channel;
 548         u32 reconf_flags = 0;
 549         int new_power_level;
 550
 551         if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
 552                 return -EINVAL;
 553         if (data->txpower.flags & IW_TXPOW_RANGE)
 554                 return -EINVAL;
 555         if (!chan)
 556                 return -EINVAL;
 557
 558         if (data->txpower.fixed)
 559                 new_power_level = min(data->txpower.value, chan->max_power);
 560         else /* Automatic power level setting */
 561                 new_power_level = chan->max_power;
 562
 563         local->user_power_level = new_power_level;
 564         if (local->hw.conf.power_level != new_power_level)
 565                 reconf_flags |= IEEE80211_CONF_CHANGE_POWER;
 566
 567         if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
 568                 local->hw.conf.radio_enabled = !(data->txpower.disabled);
 569                 reconf_flags |= IEEE80211_CONF_CHANGE_RADIO_ENABLED;
 570                 ieee80211_led_radio(local, local->hw.conf.radio_enabled);
 571         }
 572
 573         if (reconf_flags)
 574                 ieee80211_hw_config(local, reconf_flags);
 575
 576         return 0;
 577 }
 578
 579 static int ieee80211_ioctl_giwtxpower(struct net_device *dev,
 580                                    struct iw_request_info *info,
 581                                    union iwreq_data *data, char *extra)
 582 {
 583         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 584
 585         data->txpower.fixed = 1;
 586         data->txpower.disabled = !(local->hw.conf.radio_enabled);
 587         data->txpower.value = local->hw.conf.power_level;
 588         data->txpower.flags = IW_TXPOW_DBM;
 589
 590         return 0;
 591 }
 592
 593 static int ieee80211_ioctl_siwrts(struct net_device *dev,
 594                                   struct iw_request_info *info,
 595                                   struct iw_param *rts, char *extra)
 596 {
 597         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 598
 599         if (rts->disabled)
 600                 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
 601         else if (!rts->fixed)
 602                 /* if the rts value is not fixed, then take default */
 603                 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
 604         else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
 605                 return -EINVAL;
 606         else
 607                 local->rts_threshold = rts->value;
 608
 609         /* If the wlan card performs RTS/CTS in hardware/firmware,
 610          * configure it here */
 611
 612         if (local->ops->set_rts_threshold)
 613                 local->ops->set_rts_threshold(local_to_hw(local),
 614                                              local->rts_threshold);
 615
 616         return 0;
 617 }
 618
 619 static int ieee80211_ioctl_giwrts(struct net_device *dev,
 620                                   struct iw_request_info *info,
 621                                   struct iw_param *rts, char *extra)
 622 {
 623         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 624
 625         rts->value = local->rts_threshold;
 626         rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD);
 627         rts->fixed = 1;
 628
 629         return 0;
 630 }
 631
 632
 633 static int ieee80211_ioctl_siwfrag(struct net_device *dev,
 634                                    struct iw_request_info *info,
 635                                    struct iw_param *frag, char *extra)
 636 {
 637         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 638
 639         if (frag->disabled)
 640                 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
 641         else if (!frag->fixed)
 642                 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
 643         else if (frag->value < 256 ||
 644                  frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
 645                 return -EINVAL;
 646         else {
 647                 /* Fragment length must be even, so strip LSB. */
 648                 local->fragmentation_threshold = frag->value & ~0x1;
 649         }
 650
 651         return 0;
 652 }
 653
 654 static int ieee80211_ioctl_giwfrag(struct net_device *dev,
 655                                    struct iw_request_info *info,
 656                                    struct iw_param *frag, char *extra)
 657 {
 658         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 659
 660         frag->value = local->fragmentation_threshold;
 661         frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
 662         frag->fixed = 1;
 663
 664         return 0;
 665 }
 666
 667
 668 static int ieee80211_ioctl_siwretry(struct net_device *dev,
 669                                     struct iw_request_info *info,
 670                                     struct iw_param *retry, char *extra)
 671 {
 672         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 673
 674         if (retry->disabled ||
 675             (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
 676                 return -EINVAL;
 677
 678         if (retry->flags & IW_RETRY_MAX) {
 679                 local->hw.conf.long_frame_max_tx_count = retry->value;
 680         } else if (retry->flags & IW_RETRY_MIN) {
 681                 local->hw.conf.short_frame_max_tx_count = retry->value;
 682         } else {
 683                 local->hw.conf.long_frame_max_tx_count = retry->value;
 684                 local->hw.conf.short_frame_max_tx_count = retry->value;
 685         }
 686
 687         ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
 688
 689         return 0;
 690 }
 691
 692
 693 static int ieee80211_ioctl_giwretry(struct net_device *dev,
 694                                     struct iw_request_info *info,
 695                                     struct iw_param *retry, char *extra)
 696 {
 697         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 698
 699         retry->disabled = 0;
 700         if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) {
 701                 /* first return min value, iwconfig will ask max value
 702                  * later if needed */
 703                 retry->flags |= IW_RETRY_LIMIT;
 704                 retry->value = local->hw.conf.short_frame_max_tx_count;
 705                 if (local->hw.conf.long_frame_max_tx_count !=
 706                     local->hw.conf.short_frame_max_tx_count)
 707                         retry->flags |= IW_RETRY_MIN;
 708                 return 0;
 709         }
 710         if (retry->flags & IW_RETRY_MAX) {
 711                 retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
 712                 retry->value = local->hw.conf.long_frame_max_tx_count;
 713         }
 714
 715         return 0;
 716 }
 717
 718 static int ieee80211_ioctl_siwmlme(struct net_device *dev,
 719                                    struct iw_request_info *info,
 720                                    struct iw_point *data, char *extra)
 721 {
 722         struct ieee80211_sub_if_data *sdata;
 723         struct iw_mlme *mlme = (struct iw_mlme *) extra;
 724
 725         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 726         if (sdata->vif.type != NL80211_IFTYPE_STATION &&
 727             sdata->vif.type != NL80211_IFTYPE_ADHOC)
 728                 return -EINVAL;
 729
 730         switch (mlme->cmd) {
 731         case IW_MLME_DEAUTH:
 732                 /* TODO: mlme->addr.sa_data */
 733                 return ieee80211_sta_deauthenticate(sdata, mlme->reason_code);
 734         case IW_MLME_DISASSOC:
 735                 /* TODO: mlme->addr.sa_data */
 736                 return ieee80211_sta_disassociate(sdata, mlme->reason_code);
 737         default:
 738                 return -EOPNOTSUPP;
 739         }
 740 }
 741
 742
 743 static int ieee80211_ioctl_siwencode(struct net_device *dev,
 744                                      struct iw_request_info *info,
 745                                      struct iw_point *erq, char *keybuf)
 746 {
 747         struct ieee80211_sub_if_data *sdata;
 748         int idx, i, alg = ALG_WEP;
 749         u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
 750         int remove = 0;
 751
 752         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 753
 754         idx = erq->flags & IW_ENCODE_INDEX;
 755         if (idx == 0) {
 756                 if (sdata->default_key)
 757                         for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
 758                                 if (sdata->default_key == sdata->keys[i]) {
 759                                         idx = i;
 760                                         break;
 761                                 }
 762                         }
 763         } else if (idx < 1 || idx > 4)
 764                 return -EINVAL;
 765         else
 766                 idx--;
 767
 768         if (erq->flags & IW_ENCODE_DISABLED)
 769                 remove = 1;
 770         else if (erq->length == 0) {
 771                 /* No key data - just set the default TX key index */
 772                 ieee80211_set_default_key(sdata, idx);
 773                 return 0;
 774         }
 775
 776         return ieee80211_set_encryption(
 777                 sdata, bcaddr,
 778                 idx, alg, remove,
 779                 !sdata->default_key,
 780                 keybuf, erq->length);
 781 }
 782
 783
 784 static int ieee80211_ioctl_giwencode(struct net_device *dev,
 785                                      struct iw_request_info *info,
 786                                      struct iw_point *erq, char *key)
 787 {
 788         struct ieee80211_sub_if_data *sdata;
 789         int idx, i;
 790
 791         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 792
 793         idx = erq->flags & IW_ENCODE_INDEX;
 794         if (idx < 1 || idx > 4) {
 795                 idx = -1;
 796                 if (!sdata->default_key)
 797                         idx = 0;
 798                 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
 799                         if (sdata->default_key == sdata->keys[i]) {
 800                                 idx = i;
 801                                 break;
 802                         }
 803                 }
 804                 if (idx < 0)
 805                         return -EINVAL;
 806         } else
 807                 idx--;
 808
 809         erq->flags = idx + 1;
 810
 811         if (!sdata->keys[idx]) {
 812                 erq->length = 0;
 813                 erq->flags |= IW_ENCODE_DISABLED;
 814                 return 0;
 815         }
 816
 817         memcpy(key, sdata->keys[idx]->conf.key,
 818                min_t(int, erq->length, sdata->keys[idx]->conf.keylen));
 819         erq->length = sdata->keys[idx]->conf.keylen;
 820         erq->flags |= IW_ENCODE_ENABLED;
 821
 822         if (sdata->vif.type == NL80211_IFTYPE_STATION) {
 823                 struct ieee80211_if_sta *ifsta = &sdata->u.sta;
 824                 switch (ifsta->auth_alg) {
 825                 case WLAN_AUTH_OPEN:
 826                 case WLAN_AUTH_LEAP:
 827                         erq->flags |= IW_ENCODE_OPEN;
 828                         break;
 829                 case WLAN_AUTH_SHARED_KEY:
 830                         erq->flags |= IW_ENCODE_RESTRICTED;
 831                         break;
 832                 }
 833         }
 834
 835         return 0;
 836 }
 837
 838 static int ieee80211_ioctl_siwpower(struct net_device *dev,
 839                                     struct iw_request_info *info,
 840                                     struct iw_param *wrq,
 841                                     char *extra)
 842 {
 843         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 844         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 845         struct ieee80211_conf *conf = &local->hw.conf;
 846         int ret = 0, timeout = 0;
 847         bool ps;
 848
 849         if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
 850                 return -EOPNOTSUPP;
 851
 852         if (sdata->vif.type != NL80211_IFTYPE_STATION)
 853                 return -EINVAL;
 854
 855         if (wrq->disabled) {
 856                 ps = false;
 857                 timeout = 0;
 858                 goto set;
 859         }
 860
 861         switch (wrq->flags & IW_POWER_MODE) {
 862         case IW_POWER_ON:       /* If not specified */
 863         case IW_POWER_MODE:     /* If set all mask */
 864         case IW_POWER_ALL_R:    /* If explicitely state all */
 865                 ps = true;
 866                 break;
 867         default:                /* Otherwise we ignore */
 868                 return -EINVAL;
 869         }
 870
 871         if (wrq->flags & ~(IW_POWER_MODE | IW_POWER_TIMEOUT))
 872                 return -EINVAL;
 873
 874         if (wrq->flags & IW_POWER_TIMEOUT)
 875                 timeout = wrq->value / 1000;
 876
 877  set:
 878         if (ps == local->powersave && timeout == conf->dynamic_ps_timeout)
 879                 return ret;
 880
 881         local->powersave = ps;
 882         conf->dynamic_ps_timeout = timeout;
 883
 884         if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
 885                 ret = ieee80211_hw_config(local,
 886                                           IEEE80211_CONF_CHANGE_DYNPS_TIMEOUT);
 887
 888         if (!(sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED))
 889                 return ret;
 890
 891         if (conf->dynamic_ps_timeout > 0 &&
 892             !(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)) {
 893                 mod_timer(&local->dynamic_ps_timer, jiffies +
 894                           msecs_to_jiffies(conf->dynamic_ps_timeout));
 895         } else {
 896                 if (local->powersave) {
 897                         if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
 898                                 ieee80211_send_nullfunc(local, sdata, 1);
 899                         conf->flags |= IEEE80211_CONF_PS;
 900                         ret = ieee80211_hw_config(local,
 901                                         IEEE80211_CONF_CHANGE_PS);
 902                 } else {
 903                         conf->flags &= ~IEEE80211_CONF_PS;
 904                         ret = ieee80211_hw_config(local,
 905                                         IEEE80211_CONF_CHANGE_PS);
 906                         if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
 907                                 ieee80211_send_nullfunc(local, sdata, 0);
 908                         del_timer_sync(&local->dynamic_ps_timer);
 909                         cancel_work_sync(&local->dynamic_ps_enable_work);
 910                 }
 911         }
 912
 913         return ret;
 914 }
 915
 916 static int ieee80211_ioctl_giwpower(struct net_device *dev,
 917                                     struct iw_request_info *info,
 918                                     union iwreq_data *wrqu,
 919                                     char *extra)
 920 {
 921         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 922
 923         wrqu->power.disabled = !local->powersave;
 924
 925         return 0;
 926 }
 927
 928 static int ieee80211_ioctl_siwauth(struct net_device *dev,
 929                                    struct iw_request_info *info,
 930                                    struct iw_param *data, char *extra)
 931 {
 932         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 933         int ret = 0;
 934
 935         switch (data->flags & IW_AUTH_INDEX) {
 936         case IW_AUTH_WPA_VERSION:
 937         case IW_AUTH_CIPHER_GROUP:
 938         case IW_AUTH_WPA_ENABLED:
 939         case IW_AUTH_RX_UNENCRYPTED_EAPOL:
 940         case IW_AUTH_KEY_MGMT:
 941         case IW_AUTH_CIPHER_GROUP_MGMT:
 942                 break;
 943         case IW_AUTH_CIPHER_PAIRWISE:
 944                 if (sdata->vif.type == NL80211_IFTYPE_STATION) {
 945                         if (data->value & (IW_AUTH_CIPHER_WEP40 |
 946                             IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_TKIP))
 947                                 sdata->u.sta.flags |=
 948                                         IEEE80211_STA_TKIP_WEP_USED;
 949                         else
 950                                 sdata->u.sta.flags &=
 951                                         ~IEEE80211_STA_TKIP_WEP_USED;
 952                 }
 953                 break;
 954         case IW_AUTH_DROP_UNENCRYPTED:
 955                 sdata->drop_unencrypted = !!data->value;
 956                 break;
 957         case IW_AUTH_PRIVACY_INVOKED:
 958                 if (sdata->vif.type != NL80211_IFTYPE_STATION)
 959                         ret = -EINVAL;
 960                 else {
 961                         sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
 962                         /*
 963                          * Privacy invoked by wpa_supplicant, store the
 964                          * value and allow associating to a protected
 965                          * network without having a key up front.
 966                          */
 967                         if (data->value)
 968                                 sdata->u.sta.flags |=
 969                                         IEEE80211_STA_PRIVACY_INVOKED;
 970                 }
 971                 break;
 972         case IW_AUTH_80211_AUTH_ALG:
 973                 if (sdata->vif.type == NL80211_IFTYPE_STATION ||
 974                     sdata->vif.type == NL80211_IFTYPE_ADHOC)
 975                         sdata->u.sta.auth_algs = data->value;
 976                 else
 977                         ret = -EOPNOTSUPP;
 978                 break;
 979         case IW_AUTH_MFP:
 980                 if (!(sdata->local->hw.flags & IEEE80211_HW_MFP_CAPABLE)) {
 981                         ret = -EOPNOTSUPP;
 982                         break;
 983                 }
 984                 if (sdata->vif.type == NL80211_IFTYPE_STATION ||
 985                     sdata->vif.type == NL80211_IFTYPE_ADHOC)
 986                         sdata->u.sta.mfp = data->value;
 987                 else
 988                         ret = -EOPNOTSUPP;
 989                 break;
 990         default:
 991                 ret = -EOPNOTSUPP;
 992                 break;
 993         }
 994         return ret;
 995 }
 996
 997 /* Get wireless statistics.  Called by /proc/net/wireless and by SIOCGIWSTATS */
 998 static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
 999 {
1000         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1001         struct iw_statistics *wstats = &local->wstats;
1002         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1003         struct sta_info *sta = NULL;
1004
1005         rcu_read_lock();
1006
1007         if (sdata->vif.type == NL80211_IFTYPE_STATION ||
1008             sdata->vif.type == NL80211_IFTYPE_ADHOC)
1009                 sta = sta_info_get(local, sdata->u.sta.bssid);
1010         if (!sta) {
1011                 wstats->discard.fragment = 0;
1012                 wstats->discard.misc = 0;
1013                 wstats->qual.qual = 0;
1014                 wstats->qual.level = 0;
1015                 wstats->qual.noise = 0;
1016                 wstats->qual.updated = IW_QUAL_ALL_INVALID;
1017         } else {
1018                 wstats->qual.level = sta->last_signal;
1019                 wstats->qual.qual = sta->last_qual;
1020                 wstats->qual.noise = sta->last_noise;
1021                 wstats->qual.updated = local->wstats_flags;
1022         }
1023
1024         rcu_read_unlock();
1025
1026         return wstats;
1027 }
1028
1029 static int ieee80211_ioctl_giwauth(struct net_device *dev,
1030                                    struct iw_request_info *info,
1031                                    struct iw_param *data, char *extra)
1032 {
1033         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1034         int ret = 0;
1035
1036         switch (data->flags & IW_AUTH_INDEX) {
1037         case IW_AUTH_80211_AUTH_ALG:
1038                 if (sdata->vif.type == NL80211_IFTYPE_STATION ||
1039                     sdata->vif.type == NL80211_IFTYPE_ADHOC)
1040                         data->value = sdata->u.sta.auth_algs;
1041                 else
1042                         ret = -EOPNOTSUPP;
1043                 break;
1044         default:
1045                 ret = -EOPNOTSUPP;
1046                 break;
1047         }
1048         return ret;
1049 }
1050
1051
1052 static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
1053                                         struct iw_request_info *info,
1054                                         struct iw_point *erq, char *extra)
1055 {
1056         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1057         struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
1058         int uninitialized_var(alg), idx, i, remove = 0;
1059
1060         switch (ext->alg) {
1061         case IW_ENCODE_ALG_NONE:
1062                 remove = 1;
1063                 break;
1064         case IW_ENCODE_ALG_WEP:
1065                 alg = ALG_WEP;
1066                 break;
1067         case IW_ENCODE_ALG_TKIP:
1068                 alg = ALG_TKIP;
1069                 break;
1070         case IW_ENCODE_ALG_CCMP:
1071                 alg = ALG_CCMP;
1072                 break;
1073         case IW_ENCODE_ALG_AES_CMAC:
1074                 alg = ALG_AES_CMAC;
1075                 break;
1076         default:
1077                 return -EOPNOTSUPP;
1078         }
1079
1080         if (erq->flags & IW_ENCODE_DISABLED)
1081                 remove = 1;
1082
1083         idx = erq->flags & IW_ENCODE_INDEX;
1084         if (alg == ALG_AES_CMAC) {
1085                 if (idx < NUM_DEFAULT_KEYS + 1 ||
1086                     idx > NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS) {
1087                         idx = -1;
1088                         if (!sdata->default_mgmt_key)
1089                                 idx = 0;
1090                         else for (i = NUM_DEFAULT_KEYS;
1091                                   i < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS;
1092                                   i++) {
1093                                 if (sdata->default_mgmt_key == sdata->keys[i])
1094                                 {
1095                                         idx = i;
1096                                         break;
1097                                 }
1098                         }
1099                         if (idx < 0)
1100                                 return -EINVAL;
1101                 } else
1102                         idx--;
1103         } else {
1104                 if (idx < 1 || idx > 4) {
1105                         idx = -1;
1106                         if (!sdata->default_key)
1107                                 idx = 0;
1108                         else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
1109                                 if (sdata->default_key == sdata->keys[i]) {
1110                                         idx = i;
1111                                         break;
1112                                 }
1113                         }
1114                         if (idx < 0)
1115                                 return -EINVAL;
1116                 } else
1117                         idx--;
1118         }
1119
1120         return ieee80211_set_encryption(sdata, ext->addr.sa_data, idx, alg,
1121                                         remove,
1122                                         ext->ext_flags &
1123                                         IW_ENCODE_EXT_SET_TX_KEY,
1124                                         ext->key, ext->key_len);
1125 }
1126
1127
1128 /* Structures to export the Wireless Handlers */
1129
1130 static const iw_handler ieee80211_handler[] =
1131 {
1132         (iw_handler) NULL,                              /* SIOCSIWCOMMIT */
1133         (iw_handler) cfg80211_wext_giwname,             /* SIOCGIWNAME */
1134         (iw_handler) NULL,                              /* SIOCSIWNWID */
1135         (iw_handler) NULL,                              /* SIOCGIWNWID */
1136         (iw_handler) ieee80211_ioctl_siwfreq,           /* SIOCSIWFREQ */
1137         (iw_handler) ieee80211_ioctl_giwfreq,           /* SIOCGIWFREQ */
1138         (iw_handler) cfg80211_wext_siwmode,             /* SIOCSIWMODE */
1139         (iw_handler) cfg80211_wext_giwmode,             /* SIOCGIWMODE */
1140         (iw_handler) NULL,                              /* SIOCSIWSENS */
1141         (iw_handler) NULL,                              /* SIOCGIWSENS */
1142         (iw_handler) NULL /* not used */,               /* SIOCSIWRANGE */
1143         (iw_handler) ieee80211_ioctl_giwrange,          /* SIOCGIWRANGE */
1144         (iw_handler) NULL /* not used */,               /* SIOCSIWPRIV */
1145         (iw_handler) NULL /* kernel code */,            /* SIOCGIWPRIV */
1146         (iw_handler) NULL /* not used */,               /* SIOCSIWSTATS */
1147         (iw_handler) NULL /* kernel code */,            /* SIOCGIWSTATS */
1148         (iw_handler) NULL,                              /* SIOCSIWSPY */
1149         (iw_handler) NULL,                              /* SIOCGIWSPY */
1150         (iw_handler) NULL,                              /* SIOCSIWTHRSPY */
1151         (iw_handler) NULL,                              /* SIOCGIWTHRSPY */
1152         (iw_handler) ieee80211_ioctl_siwap,             /* SIOCSIWAP */
1153         (iw_handler) ieee80211_ioctl_giwap,             /* SIOCGIWAP */
1154         (iw_handler) ieee80211_ioctl_siwmlme,           /* SIOCSIWMLME */
1155         (iw_handler) NULL,                              /* SIOCGIWAPLIST */
1156         (iw_handler) ieee80211_ioctl_siwscan,           /* SIOCSIWSCAN */
1157         (iw_handler) ieee80211_ioctl_giwscan,           /* SIOCGIWSCAN */
1158         (iw_handler) ieee80211_ioctl_siwessid,          /* SIOCSIWESSID */
1159         (iw_handler) ieee80211_ioctl_giwessid,          /* SIOCGIWESSID */
1160         (iw_handler) NULL,                              /* SIOCSIWNICKN */
1161         (iw_handler) NULL,                              /* SIOCGIWNICKN */
1162         (iw_handler) NULL,                              /* -- hole -- */
1163         (iw_handler) NULL,                              /* -- hole -- */
1164         (iw_handler) ieee80211_ioctl_siwrate,           /* SIOCSIWRATE */
1165         (iw_handler) ieee80211_ioctl_giwrate,           /* SIOCGIWRATE */
1166         (iw_handler) ieee80211_ioctl_siwrts,            /* SIOCSIWRTS */
1167         (iw_handler) ieee80211_ioctl_giwrts,            /* SIOCGIWRTS */
1168         (iw_handler) ieee80211_ioctl_siwfrag,           /* SIOCSIWFRAG */
1169         (iw_handler) ieee80211_ioctl_giwfrag,           /* SIOCGIWFRAG */
1170         (iw_handler) ieee80211_ioctl_siwtxpower,        /* SIOCSIWTXPOW */
1171         (iw_handler) ieee80211_ioctl_giwtxpower,        /* SIOCGIWTXPOW */
1172         (iw_handler) ieee80211_ioctl_siwretry,          /* SIOCSIWRETRY */
1173         (iw_handler) ieee80211_ioctl_giwretry,          /* SIOCGIWRETRY */
1174         (iw_handler) ieee80211_ioctl_siwencode,         /* SIOCSIWENCODE */
1175         (iw_handler) ieee80211_ioctl_giwencode,         /* SIOCGIWENCODE */
1176         (iw_handler) ieee80211_ioctl_siwpower,          /* SIOCSIWPOWER */
1177         (iw_handler) ieee80211_ioctl_giwpower,          /* SIOCGIWPOWER */
1178         (iw_handler) NULL,                              /* -- hole -- */
1179         (iw_handler) NULL,                              /* -- hole -- */
1180         (iw_handler) ieee80211_ioctl_siwgenie,          /* SIOCSIWGENIE */
1181         (iw_handler) NULL,                              /* SIOCGIWGENIE */
1182         (iw_handler) ieee80211_ioctl_siwauth,           /* SIOCSIWAUTH */
1183         (iw_handler) ieee80211_ioctl_giwauth,           /* SIOCGIWAUTH */
1184         (iw_handler) ieee80211_ioctl_siwencodeext,      /* SIOCSIWENCODEEXT */
1185         (iw_handler) NULL,                              /* SIOCGIWENCODEEXT */
1186         (iw_handler) NULL,                              /* SIOCSIWPMKSA */
1187         (iw_handler) NULL,                              /* -- hole -- */
1188 };
1189
1190 const struct iw_handler_def ieee80211_iw_handler_def =
1191 {
1192         .num_standard   = ARRAY_SIZE(ieee80211_handler),
1193         .standard       = (iw_handler *) ieee80211_handler,
1194         .get_wireless_stats = ieee80211_get_wireless_stats,
1195 };