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 net_device *dev, 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 = wdev_priv(dev->ieee80211_ptr);
  36         struct sta_info *sta;
  37         struct ieee80211_key *key;
  38         struct ieee80211_sub_if_data *sdata;
  39         int err;
  40
  41         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  42
  43         if (idx < 0 || idx >= NUM_DEFAULT_KEYS) {
  44                 printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n",
  45                        dev->name, idx);
  46                 return -EINVAL;
  47         }
  48
  49         if (remove) {
  50                 rcu_read_lock();
  51
  52                 err = 0;
  53
  54                 if (is_broadcast_ether_addr(sta_addr)) {
  55                         key = sdata->keys[idx];
  56                 } else {
  57                         sta = sta_info_get(local, sta_addr);
  58                         if (!sta) {
  59                                 err = -ENOENT;
  60                                 goto out_unlock;
  61                         }
  62                         key = sta->key;
  63                 }
  64
  65                 ieee80211_key_free(key);
  66         } else {
  67                 key = ieee80211_key_alloc(alg, idx, key_len, _key);
  68                 if (!key)
  69                         return -ENOMEM;
  70
  71                 sta = NULL;
  72                 err = 0;
  73
  74                 rcu_read_lock();
  75
  76                 if (!is_broadcast_ether_addr(sta_addr)) {
  77                         set_tx_key = 0;
  78                         /*
  79                          * According to the standard, the key index of a
  80                          * pairwise key must be zero. However, some AP are
  81                          * broken when it comes to WEP key indices, so we
  82                          * work around this.
  83                          */
  84                         if (idx != 0 && alg != ALG_WEP) {
  85                                 ieee80211_key_free(key);
  86                                 err = -EINVAL;
  87                                 goto out_unlock;
  88                         }
  89
  90                         sta = sta_info_get(local, sta_addr);
  91                         if (!sta) {
  92                                 ieee80211_key_free(key);
  93                                 err = -ENOENT;
  94                                 goto out_unlock;
  95                         }
  96                 }
  97
  98                 ieee80211_key_link(key, sdata, sta);
  99
 100                 if (set_tx_key || (!sta && !sdata->default_key && key))
 101                         ieee80211_set_default_key(sdata, idx);
 102         }
 103
 104  out_unlock:
 105         rcu_read_unlock();
 106
 107         return err;
 108 }
 109
 110 static int ieee80211_ioctl_siwgenie(struct net_device *dev,
 111                                     struct iw_request_info *info,
 112                                     struct iw_point *data, char *extra)
 113 {
 114         struct ieee80211_sub_if_data *sdata;
 115
 116         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 117
 118         if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME)
 119                 return -EOPNOTSUPP;
 120
 121         if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
 122             sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
 123                 int ret = ieee80211_sta_set_extra_ie(dev, extra, data->length);
 124                 if (ret)
 125                         return ret;
 126                 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
 127                 ieee80211_sta_req_auth(dev, &sdata->u.sta);
 128                 return 0;
 129         }
 130
 131         return -EOPNOTSUPP;
 132 }
 133
 134 static int ieee80211_ioctl_giwname(struct net_device *dev,
 135                                    struct iw_request_info *info,
 136                                    char *name, char *extra)
 137 {
 138         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 139         struct ieee80211_supported_band *sband;
 140         u8 is_ht = 0, is_a = 0, is_b = 0, is_g = 0;
 141
 142
 143         sband = local->hw.wiphy->bands[IEEE80211_BAND_5GHZ];
 144         if (sband) {
 145                 is_a = 1;
 146                 is_ht |= sband->ht_info.ht_supported;
 147         }
 148
 149         sband = local->hw.wiphy->bands[IEEE80211_BAND_2GHZ];
 150         if (sband) {
 151                 int i;
 152                 /* Check for mandatory rates */
 153                 for (i = 0; i < sband->n_bitrates; i++) {
 154                         if (sband->bitrates[i].bitrate == 10)
 155                                 is_b = 1;
 156                         if (sband->bitrates[i].bitrate == 60)
 157                                 is_g = 1;
 158                 }
 159                 is_ht |= sband->ht_info.ht_supported;
 160         }
 161
 162         strcpy(name, "IEEE 802.11");
 163         if (is_a)
 164                 strcat(name, "a");
 165         if (is_b)
 166                 strcat(name, "b");
 167         if (is_g)
 168                 strcat(name, "g");
 169         if (is_ht)
 170                 strcat(name, "n");
 171
 172         return 0;
 173 }
 174
 175
 176 static int ieee80211_ioctl_giwrange(struct net_device *dev,
 177                                  struct iw_request_info *info,
 178                                  struct iw_point *data, char *extra)
 179 {
 180         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 181         struct iw_range *range = (struct iw_range *) extra;
 182         enum ieee80211_band band;
 183         int c = 0;
 184
 185         data->length = sizeof(struct iw_range);
 186         memset(range, 0, sizeof(struct iw_range));
 187
 188         range->we_version_compiled = WIRELESS_EXT;
 189         range->we_version_source = 21;
 190         range->retry_capa = IW_RETRY_LIMIT;
 191         range->retry_flags = IW_RETRY_LIMIT;
 192         range->min_retry = 0;
 193         range->max_retry = 255;
 194         range->min_rts = 0;
 195         range->max_rts = 2347;
 196         range->min_frag = 256;
 197         range->max_frag = 2346;
 198
 199         range->encoding_size[0] = 5;
 200         range->encoding_size[1] = 13;
 201         range->num_encoding_sizes = 2;
 202         range->max_encoding_tokens = NUM_DEFAULT_KEYS;
 203
 204         if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC ||
 205             local->hw.flags & IEEE80211_HW_SIGNAL_DB)
 206                 range->max_qual.level = local->hw.max_signal;
 207         else if  (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
 208                 range->max_qual.level = -110;
 209         else
 210                 range->max_qual.level = 0;
 211
 212         if (local->hw.flags & IEEE80211_HW_NOISE_DBM)
 213                 range->max_qual.noise = -110;
 214         else
 215                 range->max_qual.noise = 0;
 216
 217         range->max_qual.qual = 100;
 218         range->max_qual.updated = local->wstats_flags;
 219
 220         range->avg_qual.qual = 50;
 221         /* not always true but better than nothing */
 222         range->avg_qual.level = range->max_qual.level / 2;
 223         range->avg_qual.noise = range->max_qual.noise / 2;
 224         range->avg_qual.updated = local->wstats_flags;
 225
 226         range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
 227                           IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
 228
 229
 230         for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
 231                 int i;
 232                 struct ieee80211_supported_band *sband;
 233
 234                 sband = local->hw.wiphy->bands[band];
 235
 236                 if (!sband)
 237                         continue;
 238
 239                 for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) {
 240                         struct ieee80211_channel *chan = &sband->channels[i];
 241
 242                         if (!(chan->flags & IEEE80211_CHAN_DISABLED)) {
 243                                 range->freq[c].i =
 244                                         ieee80211_frequency_to_channel(
 245                                                 chan->center_freq);
 246                                 range->freq[c].m = chan->center_freq;
 247                                 range->freq[c].e = 6;
 248                                 c++;
 249                         }
 250                 }
 251         }
 252         range->num_channels = c;
 253         range->num_frequency = c;
 254
 255         IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
 256         IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
 257         IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
 258
 259         range->scan_capa |= IW_SCAN_CAPA_ESSID;
 260
 261         return 0;
 262 }
 263
 264
 265 static int ieee80211_ioctl_siwmode(struct net_device *dev,
 266                                    struct iw_request_info *info,
 267                                    __u32 *mode, char *extra)
 268 {
 269         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 270         int type;
 271
 272         if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
 273                 return -EOPNOTSUPP;
 274
 275         switch (*mode) {
 276         case IW_MODE_INFRA:
 277                 type = IEEE80211_IF_TYPE_STA;
 278                 break;
 279         case IW_MODE_ADHOC:
 280                 type = IEEE80211_IF_TYPE_IBSS;
 281                 break;
 282         case IW_MODE_REPEAT:
 283                 type = IEEE80211_IF_TYPE_WDS;
 284                 break;
 285         case IW_MODE_MONITOR:
 286                 type = IEEE80211_IF_TYPE_MNTR;
 287                 break;
 288         default:
 289                 return -EINVAL;
 290         }
 291
 292         if (type == sdata->vif.type)
 293                 return 0;
 294         if (netif_running(dev))
 295                 return -EBUSY;
 296
 297         ieee80211_if_reinit(dev);
 298         ieee80211_if_set_type(dev, type);
 299
 300         return 0;
 301 }
 302
 303
 304 static int ieee80211_ioctl_giwmode(struct net_device *dev,
 305                                    struct iw_request_info *info,
 306                                    __u32 *mode, char *extra)
 307 {
 308         struct ieee80211_sub_if_data *sdata;
 309
 310         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 311         switch (sdata->vif.type) {
 312         case IEEE80211_IF_TYPE_AP:
 313                 *mode = IW_MODE_MASTER;
 314                 break;
 315         case IEEE80211_IF_TYPE_STA:
 316                 *mode = IW_MODE_INFRA;
 317                 break;
 318         case IEEE80211_IF_TYPE_IBSS:
 319                 *mode = IW_MODE_ADHOC;
 320                 break;
 321         case IEEE80211_IF_TYPE_MNTR:
 322                 *mode = IW_MODE_MONITOR;
 323                 break;
 324         case IEEE80211_IF_TYPE_WDS:
 325                 *mode = IW_MODE_REPEAT;
 326                 break;
 327         case IEEE80211_IF_TYPE_VLAN:
 328                 *mode = IW_MODE_SECOND;         /* FIXME */
 329                 break;
 330         default:
 331                 *mode = IW_MODE_AUTO;
 332                 break;
 333         }
 334         return 0;
 335 }
 336
 337 int ieee80211_set_freq(struct net_device *dev, int freqMHz)
 338 {
 339         int ret = -EINVAL;
 340         struct ieee80211_channel *chan;
 341         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 342         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 343
 344         chan = ieee80211_get_channel(local->hw.wiphy, freqMHz);
 345
 346         if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
 347                 if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
 348                     chan->flags & IEEE80211_CHAN_NO_IBSS) {
 349                         printk(KERN_DEBUG "%s: IBSS not allowed on frequency "
 350                                 "%d MHz\n", dev->name, chan->center_freq);
 351                         return ret;
 352                 }
 353                 local->oper_channel = chan;
 354
 355                 if (local->sta_sw_scanning || local->sta_hw_scanning)
 356                         ret = 0;
 357                 else
 358                         ret = ieee80211_hw_config(local);
 359
 360                 rate_control_clear(local);
 361         }
 362
 363         return ret;
 364 }
 365
 366 static int ieee80211_ioctl_siwfreq(struct net_device *dev,
 367                                    struct iw_request_info *info,
 368                                    struct iw_freq *freq, char *extra)
 369 {
 370         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 371
 372         if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
 373                 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
 374
 375         /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
 376         if (freq->e == 0) {
 377                 if (freq->m < 0) {
 378                         if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
 379                                 sdata->u.sta.flags |=
 380                                         IEEE80211_STA_AUTO_CHANNEL_SEL;
 381                         return 0;
 382                 } else
 383                         return ieee80211_set_freq(dev,
 384                                 ieee80211_channel_to_frequency(freq->m));
 385         } else {
 386                 int i, div = 1000000;
 387                 for (i = 0; i < freq->e; i++)
 388                         div /= 10;
 389                 if (div > 0)
 390                         return ieee80211_set_freq(dev, freq->m / div);
 391                 else
 392                         return -EINVAL;
 393         }
 394 }
 395
 396
 397 static int ieee80211_ioctl_giwfreq(struct net_device *dev,
 398                                    struct iw_request_info *info,
 399                                    struct iw_freq *freq, char *extra)
 400 {
 401         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 402
 403         freq->m = local->hw.conf.channel->center_freq;
 404         freq->e = 6;
 405
 406         return 0;
 407 }
 408
 409
 410 static int ieee80211_ioctl_siwessid(struct net_device *dev,
 411                                     struct iw_request_info *info,
 412                                     struct iw_point *data, char *ssid)
 413 {
 414         struct ieee80211_sub_if_data *sdata;
 415         size_t len = data->length;
 416
 417         /* iwconfig uses nul termination in SSID.. */
 418         if (len > 0 && ssid[len - 1] == '\0')
 419                 len--;
 420
 421         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 422         if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
 423             sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
 424                 int ret;
 425                 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
 426                         if (len > IEEE80211_MAX_SSID_LEN)
 427                                 return -EINVAL;
 428                         memcpy(sdata->u.sta.ssid, ssid, len);
 429                         sdata->u.sta.ssid_len = len;
 430                         return 0;
 431                 }
 432                 if (data->flags)
 433                         sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
 434                 else
 435                         sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
 436                 ret = ieee80211_sta_set_ssid(dev, ssid, len);
 437                 if (ret)
 438                         return ret;
 439                 ieee80211_sta_req_auth(dev, &sdata->u.sta);
 440                 return 0;
 441         }
 442
 443         if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
 444                 memcpy(sdata->u.ap.ssid, ssid, len);
 445                 memset(sdata->u.ap.ssid + len, 0,
 446                        IEEE80211_MAX_SSID_LEN - len);
 447                 sdata->u.ap.ssid_len = len;
 448                 return ieee80211_if_config(dev);
 449         }
 450         return -EOPNOTSUPP;
 451 }
 452
 453
 454 static int ieee80211_ioctl_giwessid(struct net_device *dev,
 455                                     struct iw_request_info *info,
 456                                     struct iw_point *data, char *ssid)
 457 {
 458         size_t len;
 459
 460         struct ieee80211_sub_if_data *sdata;
 461         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 462         if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
 463             sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
 464                 int res = ieee80211_sta_get_ssid(dev, ssid, &len);
 465                 if (res == 0) {
 466                         data->length = len;
 467                         data->flags = 1;
 468                 } else
 469                         data->flags = 0;
 470                 return res;
 471         }
 472
 473         if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
 474                 len = sdata->u.ap.ssid_len;
 475                 if (len > IW_ESSID_MAX_SIZE)
 476                         len = IW_ESSID_MAX_SIZE;
 477                 memcpy(ssid, sdata->u.ap.ssid, len);
 478                 data->length = len;
 479                 data->flags = 1;
 480                 return 0;
 481         }
 482         return -EOPNOTSUPP;
 483 }
 484
 485
 486 static int ieee80211_ioctl_siwap(struct net_device *dev,
 487                                  struct iw_request_info *info,
 488                                  struct sockaddr *ap_addr, char *extra)
 489 {
 490         struct ieee80211_sub_if_data *sdata;
 491
 492         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 493         if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
 494             sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
 495                 int ret;
 496                 if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
 497                         memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
 498                                ETH_ALEN);
 499                         return 0;
 500                 }
 501                 if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
 502                         sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
 503                                 IEEE80211_STA_AUTO_CHANNEL_SEL;
 504                 else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
 505                         sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
 506                 else
 507                         sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
 508                 ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data);
 509                 if (ret)
 510                         return ret;
 511                 ieee80211_sta_req_auth(dev, &sdata->u.sta);
 512                 return 0;
 513         } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
 514                 /*
 515                  * If it is necessary to update the WDS peer address
 516                  * while the interface is running, then we need to do
 517                  * more work here, namely if it is running we need to
 518                  * add a new and remove the old STA entry, this is
 519                  * normally handled by _open() and _stop().
 520                  */
 521                 if (netif_running(dev))
 522                         return -EBUSY;
 523
 524                 memcpy(&sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
 525                        ETH_ALEN);
 526
 527                 return 0;
 528         }
 529
 530         return -EOPNOTSUPP;
 531 }
 532
 533
 534 static int ieee80211_ioctl_giwap(struct net_device *dev,
 535                                  struct iw_request_info *info,
 536                                  struct sockaddr *ap_addr, char *extra)
 537 {
 538         struct ieee80211_sub_if_data *sdata;
 539
 540         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 541         if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
 542             sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
 543                 if (sdata->u.sta.state == IEEE80211_ASSOCIATED ||
 544                     sdata->u.sta.state == IEEE80211_IBSS_JOINED) {
 545                         ap_addr->sa_family = ARPHRD_ETHER;
 546                         memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
 547                         return 0;
 548                 } else {
 549                         memset(&ap_addr->sa_data, 0, ETH_ALEN);
 550                         return 0;
 551                 }
 552         } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
 553                 ap_addr->sa_family = ARPHRD_ETHER;
 554                 memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
 555                 return 0;
 556         }
 557
 558         return -EOPNOTSUPP;
 559 }
 560
 561
 562 static int ieee80211_ioctl_siwscan(struct net_device *dev,
 563                                    struct iw_request_info *info,
 564                                    union iwreq_data *wrqu, char *extra)
 565 {
 566         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 567         struct iw_scan_req *req = NULL;
 568         u8 *ssid = NULL;
 569         size_t ssid_len = 0;
 570
 571         if (!netif_running(dev))
 572                 return -ENETDOWN;
 573
 574         if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
 575             sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
 576             sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT &&
 577             sdata->vif.type != IEEE80211_IF_TYPE_AP)
 578                 return -EOPNOTSUPP;
 579
 580         /* if SSID was specified explicitly then use that */
 581         if (wrqu->data.length == sizeof(struct iw_scan_req) &&
 582             wrqu->data.flags & IW_SCAN_THIS_ESSID) {
 583                 req = (struct iw_scan_req *)extra;
 584                 ssid = req->essid;
 585                 ssid_len = req->essid_len;
 586         }
 587
 588         return ieee80211_sta_req_scan(dev, ssid, ssid_len);
 589 }
 590
 591
 592 static int ieee80211_ioctl_giwscan(struct net_device *dev,
 593                                    struct iw_request_info *info,
 594                                    struct iw_point *data, char *extra)
 595 {
 596         int res;
 597         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 598
 599         if (local->sta_sw_scanning || local->sta_hw_scanning)
 600                 return -EAGAIN;
 601
 602         res = ieee80211_sta_scan_results(dev, info, extra, data->length);
 603         if (res >= 0) {
 604                 data->length = res;
 605                 return 0;
 606         }
 607         data->length = 0;
 608         return res;
 609 }
 610
 611
 612 static int ieee80211_ioctl_siwrate(struct net_device *dev,
 613                                   struct iw_request_info *info,
 614                                   struct iw_param *rate, char *extra)
 615 {
 616         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 617         int i, err = -EINVAL;
 618         u32 target_rate = rate->value / 100000;
 619         struct ieee80211_sub_if_data *sdata;
 620         struct ieee80211_supported_band *sband;
 621
 622         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 623         if (!sdata->bss)
 624                 return -ENODEV;
 625
 626         sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
 627
 628         /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
 629          * target_rate = X, rate->fixed = 1 means only rate X
 630          * target_rate = X, rate->fixed = 0 means all rates <= X */
 631         sdata->bss->max_ratectrl_rateidx = -1;
 632         sdata->bss->force_unicast_rateidx = -1;
 633         if (rate->value < 0)
 634                 return 0;
 635
 636         for (i=0; i< sband->n_bitrates; i++) {
 637                 struct ieee80211_rate *brate = &sband->bitrates[i];
 638                 int this_rate = brate->bitrate;
 639
 640                 if (target_rate == this_rate) {
 641                         sdata->bss->max_ratectrl_rateidx = i;
 642                         if (rate->fixed)
 643                                 sdata->bss->force_unicast_rateidx = i;
 644                         err = 0;
 645                         break;
 646                 }
 647         }
 648         return err;
 649 }
 650
 651 static int ieee80211_ioctl_giwrate(struct net_device *dev,
 652                                   struct iw_request_info *info,
 653                                   struct iw_param *rate, char *extra)
 654 {
 655         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 656         struct sta_info *sta;
 657         struct ieee80211_sub_if_data *sdata;
 658         struct ieee80211_supported_band *sband;
 659
 660         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 661
 662         if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
 663                 return -EOPNOTSUPP;
 664
 665         sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
 666
 667         rcu_read_lock();
 668
 669         sta = sta_info_get(local, sdata->u.sta.bssid);
 670
 671         if (sta && sta->txrate_idx < sband->n_bitrates)
 672                 rate->value = sband->bitrates[sta->txrate_idx].bitrate;
 673         else
 674                 rate->value = 0;
 675
 676         rcu_read_unlock();
 677
 678         if (!sta)
 679                 return -ENODEV;
 680
 681         rate->value *= 100000;
 682
 683         return 0;
 684 }
 685
 686 static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
 687                                       struct iw_request_info *info,
 688                                       union iwreq_data *data, char *extra)
 689 {
 690         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 691         bool need_reconfig = 0;
 692         int new_power_level;
 693
 694         if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
 695                 return -EINVAL;
 696         if (data->txpower.flags & IW_TXPOW_RANGE)
 697                 return -EINVAL;
 698
 699         if (data->txpower.fixed) {
 700                 new_power_level = data->txpower.value;
 701         } else {
 702                 /*
 703                  * Automatic power level. Use maximum power for the current
 704                  * channel. Should be part of rate control.
 705                  */
 706                 struct ieee80211_channel* chan = local->hw.conf.channel;
 707                 if (!chan)
 708                         return -EINVAL;
 709
 710                 new_power_level = chan->max_power;
 711         }
 712
 713         if (local->hw.conf.power_level != new_power_level) {
 714                 local->hw.conf.power_level = new_power_level;
 715                 need_reconfig = 1;
 716         }
 717
 718         if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
 719                 local->hw.conf.radio_enabled = !(data->txpower.disabled);
 720                 need_reconfig = 1;
 721                 ieee80211_led_radio(local, local->hw.conf.radio_enabled);
 722         }
 723
 724         if (need_reconfig) {
 725                 ieee80211_hw_config(local);
 726                 /* The return value of hw_config is not of big interest here,
 727                  * as it doesn't say that it failed because of _this_ config
 728                  * change or something else. Ignore it. */
 729         }
 730
 731         return 0;
 732 }
 733
 734 static int ieee80211_ioctl_giwtxpower(struct net_device *dev,
 735                                    struct iw_request_info *info,
 736                                    union iwreq_data *data, char *extra)
 737 {
 738         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 739
 740         data->txpower.fixed = 1;
 741         data->txpower.disabled = !(local->hw.conf.radio_enabled);
 742         data->txpower.value = local->hw.conf.power_level;
 743         data->txpower.flags = IW_TXPOW_DBM;
 744
 745         return 0;
 746 }
 747
 748 static int ieee80211_ioctl_siwrts(struct net_device *dev,
 749                                   struct iw_request_info *info,
 750                                   struct iw_param *rts, char *extra)
 751 {
 752         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 753
 754         if (rts->disabled)
 755                 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
 756         else if (!rts->fixed)
 757                 /* if the rts value is not fixed, then take default */
 758                 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
 759         else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
 760                 return -EINVAL;
 761         else
 762                 local->rts_threshold = rts->value;
 763
 764         /* If the wlan card performs RTS/CTS in hardware/firmware,
 765          * configure it here */
 766
 767         if (local->ops->set_rts_threshold)
 768                 local->ops->set_rts_threshold(local_to_hw(local),
 769                                              local->rts_threshold);
 770
 771         return 0;
 772 }
 773
 774 static int ieee80211_ioctl_giwrts(struct net_device *dev,
 775                                   struct iw_request_info *info,
 776                                   struct iw_param *rts, char *extra)
 777 {
 778         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 779
 780         rts->value = local->rts_threshold;
 781         rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD);
 782         rts->fixed = 1;
 783
 784         return 0;
 785 }
 786
 787
 788 static int ieee80211_ioctl_siwfrag(struct net_device *dev,
 789                                    struct iw_request_info *info,
 790                                    struct iw_param *frag, char *extra)
 791 {
 792         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 793
 794         if (frag->disabled)
 795                 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
 796         else if (frag->value < 256 ||
 797                  frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
 798                 return -EINVAL;
 799         else {
 800                 /* Fragment length must be even, so strip LSB. */
 801                 local->fragmentation_threshold = frag->value & ~0x1;
 802         }
 803
 804         /* If the wlan card performs fragmentation in hardware/firmware,
 805          * configure it here */
 806
 807         if (local->ops->set_frag_threshold)
 808                 local->ops->set_frag_threshold(
 809                         local_to_hw(local),
 810                         local->fragmentation_threshold);
 811
 812         return 0;
 813 }
 814
 815 static int ieee80211_ioctl_giwfrag(struct net_device *dev,
 816                                    struct iw_request_info *info,
 817                                    struct iw_param *frag, char *extra)
 818 {
 819         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 820
 821         frag->value = local->fragmentation_threshold;
 822         frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
 823         frag->fixed = 1;
 824
 825         return 0;
 826 }
 827
 828
 829 static int ieee80211_ioctl_siwretry(struct net_device *dev,
 830                                     struct iw_request_info *info,
 831                                     struct iw_param *retry, char *extra)
 832 {
 833         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 834
 835         if (retry->disabled ||
 836             (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
 837                 return -EINVAL;
 838
 839         if (retry->flags & IW_RETRY_MAX)
 840                 local->long_retry_limit = retry->value;
 841         else if (retry->flags & IW_RETRY_MIN)
 842                 local->short_retry_limit = retry->value;
 843         else {
 844                 local->long_retry_limit = retry->value;
 845                 local->short_retry_limit = retry->value;
 846         }
 847
 848         if (local->ops->set_retry_limit) {
 849                 return local->ops->set_retry_limit(
 850                         local_to_hw(local),
 851                         local->short_retry_limit,
 852                         local->long_retry_limit);
 853         }
 854
 855         return 0;
 856 }
 857
 858
 859 static int ieee80211_ioctl_giwretry(struct net_device *dev,
 860                                     struct iw_request_info *info,
 861                                     struct iw_param *retry, char *extra)
 862 {
 863         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 864
 865         retry->disabled = 0;
 866         if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) {
 867                 /* first return min value, iwconfig will ask max value
 868                  * later if needed */
 869                 retry->flags |= IW_RETRY_LIMIT;
 870                 retry->value = local->short_retry_limit;
 871                 if (local->long_retry_limit != local->short_retry_limit)
 872                         retry->flags |= IW_RETRY_MIN;
 873                 return 0;
 874         }
 875         if (retry->flags & IW_RETRY_MAX) {
 876                 retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
 877                 retry->value = local->long_retry_limit;
 878         }
 879
 880         return 0;
 881 }
 882
 883 static int ieee80211_ioctl_siwmlme(struct net_device *dev,
 884                                    struct iw_request_info *info,
 885                                    struct iw_point *data, char *extra)
 886 {
 887         struct ieee80211_sub_if_data *sdata;
 888         struct iw_mlme *mlme = (struct iw_mlme *) extra;
 889
 890         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 891         if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
 892             sdata->vif.type != IEEE80211_IF_TYPE_IBSS)
 893                 return -EINVAL;
 894
 895         switch (mlme->cmd) {
 896         case IW_MLME_DEAUTH:
 897                 /* TODO: mlme->addr.sa_data */
 898                 return ieee80211_sta_deauthenticate(dev, mlme->reason_code);
 899         case IW_MLME_DISASSOC:
 900                 /* TODO: mlme->addr.sa_data */
 901                 return ieee80211_sta_disassociate(dev, mlme->reason_code);
 902         default:
 903                 return -EOPNOTSUPP;
 904         }
 905 }
 906
 907
 908 static int ieee80211_ioctl_siwencode(struct net_device *dev,
 909                                      struct iw_request_info *info,
 910                                      struct iw_point *erq, char *keybuf)
 911 {
 912         struct ieee80211_sub_if_data *sdata;
 913         int idx, i, alg = ALG_WEP;
 914         u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
 915         int remove = 0;
 916
 917         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 918
 919         idx = erq->flags & IW_ENCODE_INDEX;
 920         if (idx == 0) {
 921                 if (sdata->default_key)
 922                         for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
 923                                 if (sdata->default_key == sdata->keys[i]) {
 924                                         idx = i;
 925                                         break;
 926                                 }
 927                         }
 928         } else if (idx < 1 || idx > 4)
 929                 return -EINVAL;
 930         else
 931                 idx--;
 932
 933         if (erq->flags & IW_ENCODE_DISABLED)
 934                 remove = 1;
 935         else if (erq->length == 0) {
 936                 /* No key data - just set the default TX key index */
 937                 ieee80211_set_default_key(sdata, idx);
 938                 return 0;
 939         }
 940
 941         return ieee80211_set_encryption(
 942                 dev, bcaddr,
 943                 idx, alg, remove,
 944                 !sdata->default_key,
 945                 keybuf, erq->length);
 946 }
 947
 948
 949 static int ieee80211_ioctl_giwencode(struct net_device *dev,
 950                                      struct iw_request_info *info,
 951                                      struct iw_point *erq, char *key)
 952 {
 953         struct ieee80211_sub_if_data *sdata;
 954         int idx, i;
 955
 956         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 957
 958         idx = erq->flags & IW_ENCODE_INDEX;
 959         if (idx < 1 || idx > 4) {
 960                 idx = -1;
 961                 if (!sdata->default_key)
 962                         idx = 0;
 963                 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
 964                         if (sdata->default_key == sdata->keys[i]) {
 965                                 idx = i;
 966                                 break;
 967                         }
 968                 }
 969                 if (idx < 0)
 970                         return -EINVAL;
 971         } else
 972                 idx--;
 973
 974         erq->flags = idx + 1;
 975
 976         if (!sdata->keys[idx]) {
 977                 erq->length = 0;
 978                 erq->flags |= IW_ENCODE_DISABLED;
 979                 return 0;
 980         }
 981
 982         memcpy(key, sdata->keys[idx]->conf.key,
 983                min_t(int, erq->length, sdata->keys[idx]->conf.keylen));
 984         erq->length = sdata->keys[idx]->conf.keylen;
 985         erq->flags |= IW_ENCODE_ENABLED;
 986
 987         if (sdata->vif.type == IEEE80211_IF_TYPE_STA) {
 988                 struct ieee80211_if_sta *ifsta = &sdata->u.sta;
 989                 switch (ifsta->auth_alg) {
 990                 case WLAN_AUTH_OPEN:
 991                 case WLAN_AUTH_LEAP:
 992                         erq->flags |= IW_ENCODE_OPEN;
 993                         break;
 994                 case WLAN_AUTH_SHARED_KEY:
 995                         erq->flags |= IW_ENCODE_RESTRICTED;
 996                         break;
 997                 }
 998         }
 999
1000         return 0;
1001 }
1002
1003 static int ieee80211_ioctl_siwauth(struct net_device *dev,
1004                                    struct iw_request_info *info,
1005                                    struct iw_param *data, char *extra)
1006 {
1007         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1008         int ret = 0;
1009
1010         switch (data->flags & IW_AUTH_INDEX) {
1011         case IW_AUTH_WPA_VERSION:
1012         case IW_AUTH_CIPHER_PAIRWISE:
1013         case IW_AUTH_CIPHER_GROUP:
1014         case IW_AUTH_WPA_ENABLED:
1015         case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1016         case IW_AUTH_KEY_MGMT:
1017                 break;
1018         case IW_AUTH_DROP_UNENCRYPTED:
1019                 sdata->drop_unencrypted = !!data->value;
1020                 break;
1021         case IW_AUTH_PRIVACY_INVOKED:
1022                 if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
1023                         ret = -EINVAL;
1024                 else {
1025                         sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
1026                         /*
1027                          * Privacy invoked by wpa_supplicant, store the
1028                          * value and allow associating to a protected
1029                          * network without having a key up front.
1030                          */
1031                         if (data->value)
1032                                 sdata->u.sta.flags |=
1033                                         IEEE80211_STA_PRIVACY_INVOKED;
1034                 }
1035                 break;
1036         case IW_AUTH_80211_AUTH_ALG:
1037                 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
1038                     sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
1039                         sdata->u.sta.auth_algs = data->value;
1040                 else
1041                         ret = -EOPNOTSUPP;
1042                 break;
1043         default:
1044                 ret = -EOPNOTSUPP;
1045                 break;
1046         }
1047         return ret;
1048 }
1049
1050 /* Get wireless statistics.  Called by /proc/net/wireless and by SIOCGIWSTATS */
1051 static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
1052 {
1053         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1054         struct iw_statistics *wstats = &local->wstats;
1055         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1056         struct sta_info *sta = NULL;
1057
1058         rcu_read_lock();
1059
1060         if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
1061             sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
1062                 sta = sta_info_get(local, sdata->u.sta.bssid);
1063         if (!sta) {
1064                 wstats->discard.fragment = 0;
1065                 wstats->discard.misc = 0;
1066                 wstats->qual.qual = 0;
1067                 wstats->qual.level = 0;
1068                 wstats->qual.noise = 0;
1069                 wstats->qual.updated = IW_QUAL_ALL_INVALID;
1070         } else {
1071                 wstats->qual.level = sta->last_signal;
1072                 wstats->qual.qual = sta->last_qual;
1073                 wstats->qual.noise = sta->last_noise;
1074                 wstats->qual.updated = local->wstats_flags;
1075         }
1076
1077         rcu_read_unlock();
1078
1079         return wstats;
1080 }
1081
1082 static int ieee80211_ioctl_giwauth(struct net_device *dev,
1083                                    struct iw_request_info *info,
1084                                    struct iw_param *data, char *extra)
1085 {
1086         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1087         int ret = 0;
1088
1089         switch (data->flags & IW_AUTH_INDEX) {
1090         case IW_AUTH_80211_AUTH_ALG:
1091                 if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
1092                     sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
1093                         data->value = sdata->u.sta.auth_algs;
1094                 else
1095                         ret = -EOPNOTSUPP;
1096                 break;
1097         default:
1098                 ret = -EOPNOTSUPP;
1099                 break;
1100         }
1101         return ret;
1102 }
1103
1104
1105 static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
1106                                         struct iw_request_info *info,
1107                                         struct iw_point *erq, char *extra)
1108 {
1109         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1110         struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
1111         int uninitialized_var(alg), idx, i, remove = 0;
1112
1113         switch (ext->alg) {
1114         case IW_ENCODE_ALG_NONE:
1115                 remove = 1;
1116                 break;
1117         case IW_ENCODE_ALG_WEP:
1118                 alg = ALG_WEP;
1119                 break;
1120         case IW_ENCODE_ALG_TKIP:
1121                 alg = ALG_TKIP;
1122                 break;
1123         case IW_ENCODE_ALG_CCMP:
1124                 alg = ALG_CCMP;
1125                 break;
1126         default:
1127                 return -EOPNOTSUPP;
1128         }
1129
1130         if (erq->flags & IW_ENCODE_DISABLED)
1131                 remove = 1;
1132
1133         idx = erq->flags & IW_ENCODE_INDEX;
1134         if (idx < 1 || idx > 4) {
1135                 idx = -1;
1136                 if (!sdata->default_key)
1137                         idx = 0;
1138                 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
1139                         if (sdata->default_key == sdata->keys[i]) {
1140                                 idx = i;
1141                                 break;
1142                         }
1143                 }
1144                 if (idx < 0)
1145                         return -EINVAL;
1146         } else
1147                 idx--;
1148
1149         return ieee80211_set_encryption(dev, ext->addr.sa_data, idx, alg,
1150                                         remove,
1151                                         ext->ext_flags &
1152                                         IW_ENCODE_EXT_SET_TX_KEY,
1153                                         ext->key, ext->key_len);
1154 }
1155
1156
1157 /* Structures to export the Wireless Handlers */
1158
1159 static const iw_handler ieee80211_handler[] =
1160 {
1161         (iw_handler) NULL,                              /* SIOCSIWCOMMIT */
1162         (iw_handler) ieee80211_ioctl_giwname,           /* SIOCGIWNAME */
1163         (iw_handler) NULL,                              /* SIOCSIWNWID */
1164         (iw_handler) NULL,                              /* SIOCGIWNWID */
1165         (iw_handler) ieee80211_ioctl_siwfreq,           /* SIOCSIWFREQ */
1166         (iw_handler) ieee80211_ioctl_giwfreq,           /* SIOCGIWFREQ */
1167         (iw_handler) ieee80211_ioctl_siwmode,           /* SIOCSIWMODE */
1168         (iw_handler) ieee80211_ioctl_giwmode,           /* SIOCGIWMODE */
1169         (iw_handler) NULL,                              /* SIOCSIWSENS */
1170         (iw_handler) NULL,                              /* SIOCGIWSENS */
1171         (iw_handler) NULL /* not used */,               /* SIOCSIWRANGE */
1172         (iw_handler) ieee80211_ioctl_giwrange,          /* SIOCGIWRANGE */
1173         (iw_handler) NULL /* not used */,               /* SIOCSIWPRIV */
1174         (iw_handler) NULL /* kernel code */,            /* SIOCGIWPRIV */
1175         (iw_handler) NULL /* not used */,               /* SIOCSIWSTATS */
1176         (iw_handler) NULL /* kernel code */,            /* SIOCGIWSTATS */
1177         (iw_handler) NULL,                              /* SIOCSIWSPY */
1178         (iw_handler) NULL,                              /* SIOCGIWSPY */
1179         (iw_handler) NULL,                              /* SIOCSIWTHRSPY */
1180         (iw_handler) NULL,                              /* SIOCGIWTHRSPY */
1181         (iw_handler) ieee80211_ioctl_siwap,             /* SIOCSIWAP */
1182         (iw_handler) ieee80211_ioctl_giwap,             /* SIOCGIWAP */
1183         (iw_handler) ieee80211_ioctl_siwmlme,           /* SIOCSIWMLME */
1184         (iw_handler) NULL,                              /* SIOCGIWAPLIST */
1185         (iw_handler) ieee80211_ioctl_siwscan,           /* SIOCSIWSCAN */
1186         (iw_handler) ieee80211_ioctl_giwscan,           /* SIOCGIWSCAN */
1187         (iw_handler) ieee80211_ioctl_siwessid,          /* SIOCSIWESSID */
1188         (iw_handler) ieee80211_ioctl_giwessid,          /* SIOCGIWESSID */
1189         (iw_handler) NULL,                              /* SIOCSIWNICKN */
1190         (iw_handler) NULL,                              /* SIOCGIWNICKN */
1191         (iw_handler) NULL,                              /* -- hole -- */
1192         (iw_handler) NULL,                              /* -- hole -- */
1193         (iw_handler) ieee80211_ioctl_siwrate,           /* SIOCSIWRATE */
1194         (iw_handler) ieee80211_ioctl_giwrate,           /* SIOCGIWRATE */
1195         (iw_handler) ieee80211_ioctl_siwrts,            /* SIOCSIWRTS */
1196         (iw_handler) ieee80211_ioctl_giwrts,            /* SIOCGIWRTS */
1197         (iw_handler) ieee80211_ioctl_siwfrag,           /* SIOCSIWFRAG */
1198         (iw_handler) ieee80211_ioctl_giwfrag,           /* SIOCGIWFRAG */
1199         (iw_handler) ieee80211_ioctl_siwtxpower,        /* SIOCSIWTXPOW */
1200         (iw_handler) ieee80211_ioctl_giwtxpower,        /* SIOCGIWTXPOW */
1201         (iw_handler) ieee80211_ioctl_siwretry,          /* SIOCSIWRETRY */
1202         (iw_handler) ieee80211_ioctl_giwretry,          /* SIOCGIWRETRY */
1203         (iw_handler) ieee80211_ioctl_siwencode,         /* SIOCSIWENCODE */
1204         (iw_handler) ieee80211_ioctl_giwencode,         /* SIOCGIWENCODE */
1205         (iw_handler) NULL,                              /* SIOCSIWPOWER */
1206         (iw_handler) NULL,                              /* SIOCGIWPOWER */
1207         (iw_handler) NULL,                              /* -- hole -- */
1208         (iw_handler) NULL,                              /* -- hole -- */
1209         (iw_handler) ieee80211_ioctl_siwgenie,          /* SIOCSIWGENIE */
1210         (iw_handler) NULL,                              /* SIOCGIWGENIE */
1211         (iw_handler) ieee80211_ioctl_siwauth,           /* SIOCSIWAUTH */
1212         (iw_handler) ieee80211_ioctl_giwauth,           /* SIOCGIWAUTH */
1213         (iw_handler) ieee80211_ioctl_siwencodeext,      /* SIOCSIWENCODEEXT */
1214         (iw_handler) NULL,                              /* SIOCGIWENCODEEXT */
1215         (iw_handler) NULL,                              /* SIOCSIWPMKSA */
1216         (iw_handler) NULL,                              /* -- hole -- */
1217 };
1218
1219 const struct iw_handler_def ieee80211_iw_handler_def =
1220 {
1221         .num_standard   = ARRAY_SIZE(ieee80211_handler),
1222         .standard       = (iw_handler *) ieee80211_handler,
1223         .get_wireless_stats = ieee80211_get_wireless_stats,
1224 };