SAFE public projects git trees. - safe/jmp/linux-2.6/blob - net/wireless/wext-compat.c

   1 /*
   2  * cfg80211 - wext compat code
   3  *
   4  * This is temporary code until all wireless functionality is migrated
   5  * into cfg80211, when that happens all the exports here go away and
   6  * we directly assign the wireless handlers of wireless interfaces.
   7  *
   8  * Copyright 2008-2009  Johannes Berg <johannes@sipsolutions.net>
   9  */
  10
  11 #include <linux/wireless.h>
  12 #include <linux/nl80211.h>
  13 #include <linux/if_arp.h>
  14 #include <linux/etherdevice.h>
  15 #include <net/iw_handler.h>
  16 #include <net/cfg80211.h>
  17 #include "wext-compat.h"
  18 #include "core.h"
  19
  20 int cfg80211_wext_giwname(struct net_device *dev,
  21                           struct iw_request_info *info,
  22                           char *name, char *extra)
  23 {
  24         struct wireless_dev *wdev = dev->ieee80211_ptr;
  25         struct ieee80211_supported_band *sband;
  26         bool is_ht = false, is_a = false, is_b = false, is_g = false;
  27
  28         if (!wdev)
  29                 return -EOPNOTSUPP;
  30
  31         sband = wdev->wiphy->bands[IEEE80211_BAND_5GHZ];
  32         if (sband) {
  33                 is_a = true;
  34                 is_ht |= sband->ht_cap.ht_supported;
  35         }
  36
  37         sband = wdev->wiphy->bands[IEEE80211_BAND_2GHZ];
  38         if (sband) {
  39                 int i;
  40                 /* Check for mandatory rates */
  41                 for (i = 0; i < sband->n_bitrates; i++) {
  42                         if (sband->bitrates[i].bitrate == 10)
  43                                 is_b = true;
  44                         if (sband->bitrates[i].bitrate == 60)
  45                                 is_g = true;
  46                 }
  47                 is_ht |= sband->ht_cap.ht_supported;
  48         }
  49
  50         strcpy(name, "IEEE 802.11");
  51         if (is_a)
  52                 strcat(name, "a");
  53         if (is_b)
  54                 strcat(name, "b");
  55         if (is_g)
  56                 strcat(name, "g");
  57         if (is_ht)
  58                 strcat(name, "n");
  59
  60         return 0;
  61 }
  62 EXPORT_SYMBOL_GPL(cfg80211_wext_giwname);
  63
  64 int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info,
  65                           u32 *mode, char *extra)
  66 {
  67         struct wireless_dev *wdev = dev->ieee80211_ptr;
  68         struct cfg80211_registered_device *rdev;
  69         struct vif_params vifparams;
  70         enum nl80211_iftype type;
  71         int ret;
  72
  73         rdev = wiphy_to_dev(wdev->wiphy);
  74
  75         switch (*mode) {
  76         case IW_MODE_INFRA:
  77                 type = NL80211_IFTYPE_STATION;
  78                 break;
  79         case IW_MODE_ADHOC:
  80                 type = NL80211_IFTYPE_ADHOC;
  81                 break;
  82         case IW_MODE_REPEAT:
  83                 type = NL80211_IFTYPE_WDS;
  84                 break;
  85         case IW_MODE_MONITOR:
  86                 type = NL80211_IFTYPE_MONITOR;
  87                 break;
  88         default:
  89                 return -EINVAL;
  90         }
  91
  92         if (type == wdev->iftype)
  93                 return 0;
  94
  95         memset(&vifparams, 0, sizeof(vifparams));
  96
  97         cfg80211_lock_rdev(rdev);
  98         ret = cfg80211_change_iface(rdev, dev, type, NULL, &vifparams);
  99         cfg80211_unlock_rdev(rdev);
 100
 101         return ret;
 102 }
 103 EXPORT_SYMBOL_GPL(cfg80211_wext_siwmode);
 104
 105 int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info,
 106                           u32 *mode, char *extra)
 107 {
 108         struct wireless_dev *wdev = dev->ieee80211_ptr;
 109
 110         if (!wdev)
 111                 return -EOPNOTSUPP;
 112
 113         switch (wdev->iftype) {
 114         case NL80211_IFTYPE_AP:
 115                 *mode = IW_MODE_MASTER;
 116                 break;
 117         case NL80211_IFTYPE_STATION:
 118                 *mode = IW_MODE_INFRA;
 119                 break;
 120         case NL80211_IFTYPE_ADHOC:
 121                 *mode = IW_MODE_ADHOC;
 122                 break;
 123         case NL80211_IFTYPE_MONITOR:
 124                 *mode = IW_MODE_MONITOR;
 125                 break;
 126         case NL80211_IFTYPE_WDS:
 127                 *mode = IW_MODE_REPEAT;
 128                 break;
 129         case NL80211_IFTYPE_AP_VLAN:
 130                 *mode = IW_MODE_SECOND;         /* FIXME */
 131                 break;
 132         default:
 133                 *mode = IW_MODE_AUTO;
 134                 break;
 135         }
 136         return 0;
 137 }
 138 EXPORT_SYMBOL_GPL(cfg80211_wext_giwmode);
 139
 140
 141 int cfg80211_wext_giwrange(struct net_device *dev,
 142                            struct iw_request_info *info,
 143                            struct iw_point *data, char *extra)
 144 {
 145         struct wireless_dev *wdev = dev->ieee80211_ptr;
 146         struct iw_range *range = (struct iw_range *) extra;
 147         enum ieee80211_band band;
 148         int i, c = 0;
 149
 150         if (!wdev)
 151                 return -EOPNOTSUPP;
 152
 153         data->length = sizeof(struct iw_range);
 154         memset(range, 0, sizeof(struct iw_range));
 155
 156         range->we_version_compiled = WIRELESS_EXT;
 157         range->we_version_source = 21;
 158         range->retry_capa = IW_RETRY_LIMIT;
 159         range->retry_flags = IW_RETRY_LIMIT;
 160         range->min_retry = 0;
 161         range->max_retry = 255;
 162         range->min_rts = 0;
 163         range->max_rts = 2347;
 164         range->min_frag = 256;
 165         range->max_frag = 2346;
 166
 167         range->max_encoding_tokens = 4;
 168
 169         range->max_qual.updated = IW_QUAL_NOISE_INVALID;
 170
 171         switch (wdev->wiphy->signal_type) {
 172         case CFG80211_SIGNAL_TYPE_NONE:
 173                 break;
 174         case CFG80211_SIGNAL_TYPE_MBM:
 175                 range->max_qual.level = -110;
 176                 range->max_qual.qual = 70;
 177                 range->avg_qual.qual = 35;
 178                 range->max_qual.updated |= IW_QUAL_DBM;
 179                 range->max_qual.updated |= IW_QUAL_QUAL_UPDATED;
 180                 range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED;
 181                 break;
 182         case CFG80211_SIGNAL_TYPE_UNSPEC:
 183                 range->max_qual.level = 100;
 184                 range->max_qual.qual = 100;
 185                 range->avg_qual.qual = 50;
 186                 range->max_qual.updated |= IW_QUAL_QUAL_UPDATED;
 187                 range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED;
 188                 break;
 189         }
 190
 191         range->avg_qual.level = range->max_qual.level / 2;
 192         range->avg_qual.noise = range->max_qual.noise / 2;
 193         range->avg_qual.updated = range->max_qual.updated;
 194
 195         for (i = 0; i < wdev->wiphy->n_cipher_suites; i++) {
 196                 switch (wdev->wiphy->cipher_suites[i]) {
 197                 case WLAN_CIPHER_SUITE_TKIP:
 198                         range->enc_capa |= (IW_ENC_CAPA_CIPHER_TKIP |
 199                                             IW_ENC_CAPA_WPA);
 200                         break;
 201
 202                 case WLAN_CIPHER_SUITE_CCMP:
 203                         range->enc_capa |= (IW_ENC_CAPA_CIPHER_CCMP |
 204                                             IW_ENC_CAPA_WPA2);
 205                         break;
 206
 207                 case WLAN_CIPHER_SUITE_WEP40:
 208                         range->encoding_size[range->num_encoding_sizes++] =
 209                                 WLAN_KEY_LEN_WEP40;
 210                         break;
 211
 212                 case WLAN_CIPHER_SUITE_WEP104:
 213                         range->encoding_size[range->num_encoding_sizes++] =
 214                                 WLAN_KEY_LEN_WEP104;
 215                         break;
 216                 }
 217         }
 218
 219         for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
 220                 struct ieee80211_supported_band *sband;
 221
 222                 sband = wdev->wiphy->bands[band];
 223
 224                 if (!sband)
 225                         continue;
 226
 227                 for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) {
 228                         struct ieee80211_channel *chan = &sband->channels[i];
 229
 230                         if (!(chan->flags & IEEE80211_CHAN_DISABLED)) {
 231                                 range->freq[c].i =
 232                                         ieee80211_frequency_to_channel(
 233                                                 chan->center_freq);
 234                                 range->freq[c].m = chan->center_freq;
 235                                 range->freq[c].e = 6;
 236                                 c++;
 237                         }
 238                 }
 239         }
 240         range->num_channels = c;
 241         range->num_frequency = c;
 242
 243         IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
 244         IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
 245         IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
 246
 247         if (wdev->wiphy->max_scan_ssids > 0)
 248                 range->scan_capa |= IW_SCAN_CAPA_ESSID;
 249
 250         return 0;
 251 }
 252 EXPORT_SYMBOL_GPL(cfg80211_wext_giwrange);
 253
 254
 255 /**
 256  * cfg80211_wext_freq - get wext frequency for non-"auto"
 257  * @wiphy: the wiphy
 258  * @freq: the wext freq encoding
 259  *
 260  * Returns a frequency, or a negative error code, or 0 for auto.
 261  */
 262 int cfg80211_wext_freq(struct wiphy *wiphy, struct iw_freq *freq)
 263 {
 264         /*
 265          * Parse frequency - return 0 for auto and
 266          * -EINVAL for impossible things.
 267          */
 268         if (freq->e == 0) {
 269                 if (freq->m < 0)
 270                         return 0;
 271                 return ieee80211_channel_to_frequency(freq->m);
 272         } else {
 273                 int i, div = 1000000;
 274                 for (i = 0; i < freq->e; i++)
 275                         div /= 10;
 276                 if (div <= 0)
 277                         return -EINVAL;
 278                 return freq->m / div;
 279         }
 280 }
 281
 282 int cfg80211_wext_siwrts(struct net_device *dev,
 283                          struct iw_request_info *info,
 284                          struct iw_param *rts, char *extra)
 285 {
 286         struct wireless_dev *wdev = dev->ieee80211_ptr;
 287         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
 288         u32 orts = wdev->wiphy->rts_threshold;
 289         int err;
 290
 291         if (rts->disabled || !rts->fixed)
 292                 wdev->wiphy->rts_threshold = (u32) -1;
 293         else if (rts->value < 0)
 294                 return -EINVAL;
 295         else
 296                 wdev->wiphy->rts_threshold = rts->value;
 297
 298         err = rdev->ops->set_wiphy_params(wdev->wiphy,
 299                                           WIPHY_PARAM_RTS_THRESHOLD);
 300         if (err)
 301                 wdev->wiphy->rts_threshold = orts;
 302
 303         return err;
 304 }
 305 EXPORT_SYMBOL_GPL(cfg80211_wext_siwrts);
 306
 307 int cfg80211_wext_giwrts(struct net_device *dev,
 308                          struct iw_request_info *info,
 309                          struct iw_param *rts, char *extra)
 310 {
 311         struct wireless_dev *wdev = dev->ieee80211_ptr;
 312
 313         rts->value = wdev->wiphy->rts_threshold;
 314         rts->disabled = rts->value == (u32) -1;
 315         rts->fixed = 1;
 316
 317         return 0;
 318 }
 319 EXPORT_SYMBOL_GPL(cfg80211_wext_giwrts);
 320
 321 int cfg80211_wext_siwfrag(struct net_device *dev,
 322                           struct iw_request_info *info,
 323                           struct iw_param *frag, char *extra)
 324 {
 325         struct wireless_dev *wdev = dev->ieee80211_ptr;
 326         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
 327         u32 ofrag = wdev->wiphy->frag_threshold;
 328         int err;
 329
 330         if (frag->disabled || !frag->fixed)
 331                 wdev->wiphy->frag_threshold = (u32) -1;
 332         else if (frag->value < 256)
 333                 return -EINVAL;
 334         else {
 335                 /* Fragment length must be even, so strip LSB. */
 336                 wdev->wiphy->frag_threshold = frag->value & ~0x1;
 337         }
 338
 339         err = rdev->ops->set_wiphy_params(wdev->wiphy,
 340                                           WIPHY_PARAM_FRAG_THRESHOLD);
 341         if (err)
 342                 wdev->wiphy->frag_threshold = ofrag;
 343
 344         return err;
 345 }
 346 EXPORT_SYMBOL_GPL(cfg80211_wext_siwfrag);
 347
 348 int cfg80211_wext_giwfrag(struct net_device *dev,
 349                           struct iw_request_info *info,
 350                           struct iw_param *frag, char *extra)
 351 {
 352         struct wireless_dev *wdev = dev->ieee80211_ptr;
 353
 354         frag->value = wdev->wiphy->frag_threshold;
 355         frag->disabled = frag->value == (u32) -1;
 356         frag->fixed = 1;
 357
 358         return 0;
 359 }
 360 EXPORT_SYMBOL_GPL(cfg80211_wext_giwfrag);
 361
 362 int cfg80211_wext_siwretry(struct net_device *dev,
 363                            struct iw_request_info *info,
 364                            struct iw_param *retry, char *extra)
 365 {
 366         struct wireless_dev *wdev = dev->ieee80211_ptr;
 367         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
 368         u32 changed = 0;
 369         u8 olong = wdev->wiphy->retry_long;
 370         u8 oshort = wdev->wiphy->retry_short;
 371         int err;
 372
 373         if (retry->disabled ||
 374             (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
 375                 return -EINVAL;
 376
 377         if (retry->flags & IW_RETRY_LONG) {
 378                 wdev->wiphy->retry_long = retry->value;
 379                 changed |= WIPHY_PARAM_RETRY_LONG;
 380         } else if (retry->flags & IW_RETRY_SHORT) {
 381                 wdev->wiphy->retry_short = retry->value;
 382                 changed |= WIPHY_PARAM_RETRY_SHORT;
 383         } else {
 384                 wdev->wiphy->retry_short = retry->value;
 385                 wdev->wiphy->retry_long = retry->value;
 386                 changed |= WIPHY_PARAM_RETRY_LONG;
 387                 changed |= WIPHY_PARAM_RETRY_SHORT;
 388         }
 389
 390         if (!changed)
 391                 return 0;
 392
 393         err = rdev->ops->set_wiphy_params(wdev->wiphy, changed);
 394         if (err) {
 395                 wdev->wiphy->retry_short = oshort;
 396                 wdev->wiphy->retry_long = olong;
 397         }
 398
 399         return err;
 400 }
 401 EXPORT_SYMBOL_GPL(cfg80211_wext_siwretry);
 402
 403 int cfg80211_wext_giwretry(struct net_device *dev,
 404                            struct iw_request_info *info,
 405                            struct iw_param *retry, char *extra)
 406 {
 407         struct wireless_dev *wdev = dev->ieee80211_ptr;
 408
 409         retry->disabled = 0;
 410
 411         if (retry->flags == 0 || (retry->flags & IW_RETRY_SHORT)) {
 412                 /*
 413                  * First return short value, iwconfig will ask long value
 414                  * later if needed
 415                  */
 416                 retry->flags |= IW_RETRY_LIMIT;
 417                 retry->value = wdev->wiphy->retry_short;
 418                 if (wdev->wiphy->retry_long != wdev->wiphy->retry_short)
 419                         retry->flags |= IW_RETRY_LONG;
 420
 421                 return 0;
 422         }
 423
 424         if (retry->flags & IW_RETRY_LONG) {
 425                 retry->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
 426                 retry->value = wdev->wiphy->retry_long;
 427         }
 428
 429         return 0;
 430 }
 431 EXPORT_SYMBOL_GPL(cfg80211_wext_giwretry);
 432
 433 static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
 434                                      struct net_device *dev, const u8 *addr,
 435                                      bool remove, bool tx_key, int idx,
 436                                      struct key_params *params)
 437 {
 438         struct wireless_dev *wdev = dev->ieee80211_ptr;
 439         int err, i;
 440         bool rejoin = false;
 441
 442         if (!wdev->wext.keys) {
 443                 wdev->wext.keys = kzalloc(sizeof(*wdev->wext.keys),
 444                                               GFP_KERNEL);
 445                 if (!wdev->wext.keys)
 446                         return -ENOMEM;
 447                 for (i = 0; i < 6; i++)
 448                         wdev->wext.keys->params[i].key =
 449                                 wdev->wext.keys->data[i];
 450         }
 451
 452         if (wdev->iftype != NL80211_IFTYPE_ADHOC &&
 453             wdev->iftype != NL80211_IFTYPE_STATION)
 454                 return -EOPNOTSUPP;
 455
 456         if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
 457                 if (!wdev->current_bss)
 458                         return -ENOLINK;
 459
 460                 if (!rdev->ops->set_default_mgmt_key)
 461                         return -EOPNOTSUPP;
 462
 463                 if (idx < 4 || idx > 5)
 464                         return -EINVAL;
 465         } else if (idx < 0 || idx > 3)
 466                 return -EINVAL;
 467
 468         if (remove) {
 469                 err = 0;
 470                 if (wdev->current_bss) {
 471                         /*
 472                          * If removing the current TX key, we will need to
 473                          * join a new IBSS without the privacy bit clear.
 474                          */
 475                         if (idx == wdev->wext.default_key &&
 476                             wdev->iftype == NL80211_IFTYPE_ADHOC) {
 477                                 __cfg80211_leave_ibss(rdev, wdev->netdev, true);
 478                                 rejoin = true;
 479                         }
 480                         err = rdev->ops->del_key(&rdev->wiphy, dev, idx, addr);
 481                 }
 482                 /*
 483                  * Applications using wireless extensions expect to be
 484                  * able to delete keys that don't exist, so allow that.
 485                  */
 486                 if (err == -ENOENT)
 487                         err = 0;
 488                 if (!err) {
 489                         if (!addr) {
 490                                 wdev->wext.keys->params[idx].key_len = 0;
 491                                 wdev->wext.keys->params[idx].cipher = 0;
 492                         }
 493                         if (idx == wdev->wext.default_key)
 494                                 wdev->wext.default_key = -1;
 495                         else if (idx == wdev->wext.default_mgmt_key)
 496                                 wdev->wext.default_mgmt_key = -1;
 497                 }
 498
 499                 if (!err && rejoin)
 500                         err = cfg80211_ibss_wext_join(rdev, wdev);
 501
 502                 return err;
 503         }
 504
 505         if (addr)
 506                 tx_key = false;
 507
 508         if (cfg80211_validate_key_settings(rdev, params, idx, addr))
 509                 return -EINVAL;
 510
 511         err = 0;
 512         if (wdev->current_bss)
 513                 err = rdev->ops->add_key(&rdev->wiphy, dev, idx, addr, params);
 514         if (err)
 515                 return err;
 516
 517         if (!addr) {
 518                 wdev->wext.keys->params[idx] = *params;
 519                 memcpy(wdev->wext.keys->data[idx],
 520                         params->key, params->key_len);
 521                 wdev->wext.keys->params[idx].key =
 522                         wdev->wext.keys->data[idx];
 523         }
 524
 525         if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
 526              params->cipher == WLAN_CIPHER_SUITE_WEP104) &&
 527             (tx_key || (!addr && wdev->wext.default_key == -1))) {
 528                 if (wdev->current_bss) {
 529                         /*
 530                          * If we are getting a new TX key from not having
 531                          * had one before we need to join a new IBSS with
 532                          * the privacy bit set.
 533                          */
 534                         if (wdev->iftype == NL80211_IFTYPE_ADHOC &&
 535                             wdev->wext.default_key == -1) {
 536                                 __cfg80211_leave_ibss(rdev, wdev->netdev, true);
 537                                 rejoin = true;
 538                         }
 539                         err = rdev->ops->set_default_key(&rdev->wiphy,
 540                                                          dev, idx);
 541                 }
 542                 if (!err) {
 543                         wdev->wext.default_key = idx;
 544                         if (rejoin)
 545                                 err = cfg80211_ibss_wext_join(rdev, wdev);
 546                 }
 547                 return err;
 548         }
 549
 550         if (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC &&
 551             (tx_key || (!addr && wdev->wext.default_mgmt_key == -1))) {
 552                 if (wdev->current_bss)
 553                         err = rdev->ops->set_default_mgmt_key(&rdev->wiphy,
 554                                                               dev, idx);
 555                 if (!err)
 556                         wdev->wext.default_mgmt_key = idx;
 557                 return err;
 558         }
 559
 560         return 0;
 561 }
 562
 563 static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
 564                                    struct net_device *dev, const u8 *addr,
 565                                    bool remove, bool tx_key, int idx,
 566                                    struct key_params *params)
 567 {
 568         int err;
 569
 570         /* devlist mutex needed for possible IBSS re-join */
 571         mutex_lock(&rdev->devlist_mtx);
 572         wdev_lock(dev->ieee80211_ptr);
 573         err = __cfg80211_set_encryption(rdev, dev, addr, remove,
 574                                         tx_key, idx, params);
 575         wdev_unlock(dev->ieee80211_ptr);
 576         mutex_unlock(&rdev->devlist_mtx);
 577
 578         return err;
 579 }
 580
 581 int cfg80211_wext_siwencode(struct net_device *dev,
 582                             struct iw_request_info *info,
 583                             struct iw_point *erq, char *keybuf)
 584 {
 585         struct wireless_dev *wdev = dev->ieee80211_ptr;
 586         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
 587         int idx, err;
 588         bool remove = false;
 589         struct key_params params;
 590
 591         if (wdev->iftype != NL80211_IFTYPE_STATION &&
 592             wdev->iftype != NL80211_IFTYPE_ADHOC)
 593                 return -EOPNOTSUPP;
 594
 595         /* no use -- only MFP (set_default_mgmt_key) is optional */
 596         if (!rdev->ops->del_key ||
 597             !rdev->ops->add_key ||
 598             !rdev->ops->set_default_key)
 599                 return -EOPNOTSUPP;
 600
 601         idx = erq->flags & IW_ENCODE_INDEX;
 602         if (idx == 0) {
 603                 idx = wdev->wext.default_key;
 604                 if (idx < 0)
 605                         idx = 0;
 606         } else if (idx < 1 || idx > 4)
 607                 return -EINVAL;
 608         else
 609                 idx--;
 610
 611         if (erq->flags & IW_ENCODE_DISABLED)
 612                 remove = true;
 613         else if (erq->length == 0) {
 614                 /* No key data - just set the default TX key index */
 615                 err = 0;
 616                 wdev_lock(wdev);
 617                 if (wdev->current_bss)
 618                         err = rdev->ops->set_default_key(&rdev->wiphy,
 619                                                          dev, idx);
 620                 if (!err)
 621                         wdev->wext.default_key = idx;
 622                 wdev_unlock(wdev);
 623                 return err;
 624         }
 625
 626         memset(&params, 0, sizeof(params));
 627         params.key = keybuf;
 628         params.key_len = erq->length;
 629         if (erq->length == 5)
 630                 params.cipher = WLAN_CIPHER_SUITE_WEP40;
 631         else if (erq->length == 13)
 632                 params.cipher = WLAN_CIPHER_SUITE_WEP104;
 633         else if (!remove)
 634                 return -EINVAL;
 635
 636         return cfg80211_set_encryption(rdev, dev, NULL, remove,
 637                                        wdev->wext.default_key == -1,
 638                                        idx, &params);
 639 }
 640 EXPORT_SYMBOL_GPL(cfg80211_wext_siwencode);
 641
 642 int cfg80211_wext_siwencodeext(struct net_device *dev,
 643                                struct iw_request_info *info,
 644                                struct iw_point *erq, char *extra)
 645 {
 646         struct wireless_dev *wdev = dev->ieee80211_ptr;
 647         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
 648         struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
 649         const u8 *addr;
 650         int idx;
 651         bool remove = false;
 652         struct key_params params;
 653         u32 cipher;
 654
 655         if (wdev->iftype != NL80211_IFTYPE_STATION &&
 656             wdev->iftype != NL80211_IFTYPE_ADHOC)
 657                 return -EOPNOTSUPP;
 658
 659         /* no use -- only MFP (set_default_mgmt_key) is optional */
 660         if (!rdev->ops->del_key ||
 661             !rdev->ops->add_key ||
 662             !rdev->ops->set_default_key)
 663                 return -EOPNOTSUPP;
 664
 665         switch (ext->alg) {
 666         case IW_ENCODE_ALG_NONE:
 667                 remove = true;
 668                 cipher = 0;
 669                 break;
 670         case IW_ENCODE_ALG_WEP:
 671                 if (ext->key_len == 5)
 672                         cipher = WLAN_CIPHER_SUITE_WEP40;
 673                 else if (ext->key_len == 13)
 674                         cipher = WLAN_CIPHER_SUITE_WEP104;
 675                 else
 676                         return -EINVAL;
 677                 break;
 678         case IW_ENCODE_ALG_TKIP:
 679                 cipher = WLAN_CIPHER_SUITE_TKIP;
 680                 break;
 681         case IW_ENCODE_ALG_CCMP:
 682                 cipher = WLAN_CIPHER_SUITE_CCMP;
 683                 break;
 684         case IW_ENCODE_ALG_AES_CMAC:
 685                 cipher = WLAN_CIPHER_SUITE_AES_CMAC;
 686                 break;
 687         default:
 688                 return -EOPNOTSUPP;
 689         }
 690
 691         if (erq->flags & IW_ENCODE_DISABLED)
 692                 remove = true;
 693
 694         idx = erq->flags & IW_ENCODE_INDEX;
 695         if (cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
 696                 if (idx < 4 || idx > 5) {
 697                         idx = wdev->wext.default_mgmt_key;
 698                         if (idx < 0)
 699                                 return -EINVAL;
 700                 } else
 701                         idx--;
 702         } else {
 703                 if (idx < 1 || idx > 4) {
 704                         idx = wdev->wext.default_key;
 705                         if (idx < 0)
 706                                 return -EINVAL;
 707                 } else
 708                         idx--;
 709         }
 710
 711         addr = ext->addr.sa_data;
 712         if (is_broadcast_ether_addr(addr))
 713                 addr = NULL;
 714
 715         memset(&params, 0, sizeof(params));
 716         params.key = ext->key;
 717         params.key_len = ext->key_len;
 718         params.cipher = cipher;
 719
 720         if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
 721                 params.seq = ext->rx_seq;
 722                 params.seq_len = 6;
 723         }
 724
 725         return cfg80211_set_encryption(
 726                         rdev, dev, addr, remove,
 727                         ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY,
 728                         idx, &params);
 729 }
 730 EXPORT_SYMBOL_GPL(cfg80211_wext_siwencodeext);
 731
 732 int cfg80211_wext_giwencode(struct net_device *dev,
 733                             struct iw_request_info *info,
 734                             struct iw_point *erq, char *keybuf)
 735 {
 736         struct wireless_dev *wdev = dev->ieee80211_ptr;
 737         int idx;
 738
 739         if (wdev->iftype != NL80211_IFTYPE_STATION &&
 740             wdev->iftype != NL80211_IFTYPE_ADHOC)
 741                 return -EOPNOTSUPP;
 742
 743         idx = erq->flags & IW_ENCODE_INDEX;
 744         if (idx == 0) {
 745                 idx = wdev->wext.default_key;
 746                 if (idx < 0)
 747                         idx = 0;
 748         } else if (idx < 1 || idx > 4)
 749                 return -EINVAL;
 750         else
 751                 idx--;
 752
 753         erq->flags = idx + 1;
 754
 755         if (!wdev->wext.keys || !wdev->wext.keys->params[idx].cipher) {
 756                 erq->flags |= IW_ENCODE_DISABLED;
 757                 erq->length = 0;
 758                 return 0;
 759         }
 760
 761         erq->length = min_t(size_t, erq->length,
 762                             wdev->wext.keys->params[idx].key_len);
 763         memcpy(keybuf, wdev->wext.keys->params[idx].key, erq->length);
 764         erq->flags |= IW_ENCODE_ENABLED;
 765
 766         return 0;
 767 }
 768 EXPORT_SYMBOL_GPL(cfg80211_wext_giwencode);
 769
 770 int cfg80211_wext_siwfreq(struct net_device *dev,
 771                           struct iw_request_info *info,
 772                           struct iw_freq *wextfreq, char *extra)
 773 {
 774         struct wireless_dev *wdev = dev->ieee80211_ptr;
 775         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
 776         int freq, err;
 777
 778         switch (wdev->iftype) {
 779         case NL80211_IFTYPE_STATION:
 780                 return cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra);
 781         case NL80211_IFTYPE_ADHOC:
 782                 return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra);
 783         default:
 784                 freq = cfg80211_wext_freq(wdev->wiphy, wextfreq);
 785                 if (freq < 0)
 786                         return freq;
 787                 if (freq == 0)
 788                         return -EINVAL;
 789                 mutex_lock(&rdev->devlist_mtx);
 790                 err = rdev_set_freq(rdev, NULL, freq, NL80211_CHAN_NO_HT);
 791                 mutex_unlock(&rdev->devlist_mtx);
 792                 return err;
 793         }
 794 }
 795 EXPORT_SYMBOL_GPL(cfg80211_wext_siwfreq);
 796
 797 int cfg80211_wext_giwfreq(struct net_device *dev,
 798                           struct iw_request_info *info,
 799                           struct iw_freq *freq, char *extra)
 800 {
 801         struct wireless_dev *wdev = dev->ieee80211_ptr;
 802         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
 803
 804         switch (wdev->iftype) {
 805         case NL80211_IFTYPE_STATION:
 806                 return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra);
 807         case NL80211_IFTYPE_ADHOC:
 808                 return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
 809         default:
 810                 if (!rdev->channel)
 811                         return -EINVAL;
 812                 freq->m = rdev->channel->center_freq;
 813                 freq->e = 6;
 814                 return 0;
 815         }
 816 }
 817 EXPORT_SYMBOL_GPL(cfg80211_wext_giwfreq);
 818
 819 int cfg80211_wext_siwtxpower(struct net_device *dev,
 820                              struct iw_request_info *info,
 821                              union iwreq_data *data, char *extra)
 822 {
 823         struct wireless_dev *wdev = dev->ieee80211_ptr;
 824         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
 825         enum tx_power_setting type;
 826         int dbm = 0;
 827
 828         if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
 829                 return -EINVAL;
 830         if (data->txpower.flags & IW_TXPOW_RANGE)
 831                 return -EINVAL;
 832
 833         if (!rdev->ops->set_tx_power)
 834                 return -EOPNOTSUPP;
 835
 836         /* only change when not disabling */
 837         if (!data->txpower.disabled) {
 838                 rfkill_set_sw_state(rdev->rfkill, false);
 839
 840                 if (data->txpower.fixed) {
 841                         /*
 842                          * wext doesn't support negative values, see
 843                          * below where it's for automatic
 844                          */
 845                         if (data->txpower.value < 0)
 846                                 return -EINVAL;
 847                         dbm = data->txpower.value;
 848                         type = TX_POWER_FIXED;
 849                         /* TODO: do regulatory check! */
 850                 } else {
 851                         /*
 852                          * Automatic power level setting, max being the value
 853                          * passed in from userland.
 854                          */
 855                         if (data->txpower.value < 0) {
 856                                 type = TX_POWER_AUTOMATIC;
 857                         } else {
 858                                 dbm = data->txpower.value;
 859                                 type = TX_POWER_LIMITED;
 860                         }
 861                 }
 862         } else {
 863                 rfkill_set_sw_state(rdev->rfkill, true);
 864                 schedule_work(&rdev->rfkill_sync);
 865                 return 0;
 866         }
 867
 868         return rdev->ops->set_tx_power(wdev->wiphy, type, dbm);
 869 }
 870 EXPORT_SYMBOL_GPL(cfg80211_wext_siwtxpower);
 871
 872 int cfg80211_wext_giwtxpower(struct net_device *dev,
 873                              struct iw_request_info *info,
 874                              union iwreq_data *data, char *extra)
 875 {
 876         struct wireless_dev *wdev = dev->ieee80211_ptr;
 877         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
 878         int err, val;
 879
 880         if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
 881                 return -EINVAL;
 882         if (data->txpower.flags & IW_TXPOW_RANGE)
 883                 return -EINVAL;
 884
 885         if (!rdev->ops->get_tx_power)
 886                 return -EOPNOTSUPP;
 887
 888         err = rdev->ops->get_tx_power(wdev->wiphy, &val);
 889         if (err)
 890                 return err;
 891
 892         /* well... oh well */
 893         data->txpower.fixed = 1;
 894         data->txpower.disabled = rfkill_blocked(rdev->rfkill);
 895         data->txpower.value = val;
 896         data->txpower.flags = IW_TXPOW_DBM;
 897
 898         return 0;
 899 }
 900 EXPORT_SYMBOL_GPL(cfg80211_wext_giwtxpower);
 901
 902 static int cfg80211_set_auth_alg(struct wireless_dev *wdev,
 903                                  s32 auth_alg)
 904 {
 905         int nr_alg = 0;
 906
 907         if (!auth_alg)
 908                 return -EINVAL;
 909
 910         if (auth_alg & ~(IW_AUTH_ALG_OPEN_SYSTEM |
 911                          IW_AUTH_ALG_SHARED_KEY |
 912                          IW_AUTH_ALG_LEAP))
 913                 return -EINVAL;
 914
 915         if (auth_alg & IW_AUTH_ALG_OPEN_SYSTEM) {
 916                 nr_alg++;
 917                 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
 918         }
 919
 920         if (auth_alg & IW_AUTH_ALG_SHARED_KEY) {
 921                 nr_alg++;
 922                 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_SHARED_KEY;
 923         }
 924
 925         if (auth_alg & IW_AUTH_ALG_LEAP) {
 926                 nr_alg++;
 927                 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_NETWORK_EAP;
 928         }
 929
 930         if (nr_alg > 1)
 931                 wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
 932
 933         return 0;
 934 }
 935
 936 static int cfg80211_set_wpa_version(struct wireless_dev *wdev, u32 wpa_versions)
 937 {
 938         if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA |
 939                              IW_AUTH_WPA_VERSION_WPA2|
 940                              IW_AUTH_WPA_VERSION_DISABLED))
 941                 return -EINVAL;
 942
 943         if ((wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) &&
 944             (wpa_versions & (IW_AUTH_WPA_VERSION_WPA|
 945                              IW_AUTH_WPA_VERSION_WPA2)))
 946                 return -EINVAL;
 947
 948         if (wpa_versions & IW_AUTH_WPA_VERSION_DISABLED)
 949                 wdev->wext.connect.crypto.wpa_versions &=
 950                         ~(NL80211_WPA_VERSION_1|NL80211_WPA_VERSION_2);
 951
 952         if (wpa_versions & IW_AUTH_WPA_VERSION_WPA)
 953                 wdev->wext.connect.crypto.wpa_versions |=
 954                         NL80211_WPA_VERSION_1;
 955
 956         if (wpa_versions & IW_AUTH_WPA_VERSION_WPA2)
 957                 wdev->wext.connect.crypto.wpa_versions |=
 958                         NL80211_WPA_VERSION_2;
 959
 960         return 0;
 961 }
 962
 963 static int cfg80211_set_cipher_group(struct wireless_dev *wdev, u32 cipher)
 964 {
 965         if (cipher & IW_AUTH_CIPHER_WEP40)
 966                 wdev->wext.connect.crypto.cipher_group =
 967                         WLAN_CIPHER_SUITE_WEP40;
 968         else if (cipher & IW_AUTH_CIPHER_WEP104)
 969                 wdev->wext.connect.crypto.cipher_group =
 970                         WLAN_CIPHER_SUITE_WEP104;
 971         else if (cipher & IW_AUTH_CIPHER_TKIP)
 972                 wdev->wext.connect.crypto.cipher_group =
 973                         WLAN_CIPHER_SUITE_TKIP;
 974         else if (cipher & IW_AUTH_CIPHER_CCMP)
 975                 wdev->wext.connect.crypto.cipher_group =
 976                         WLAN_CIPHER_SUITE_CCMP;
 977         else if (cipher & IW_AUTH_CIPHER_AES_CMAC)
 978                 wdev->wext.connect.crypto.cipher_group =
 979                         WLAN_CIPHER_SUITE_AES_CMAC;
 980         else if (cipher & IW_AUTH_CIPHER_NONE)
 981                 wdev->wext.connect.crypto.cipher_group = 0;
 982         else
 983                 return -EINVAL;
 984
 985         return 0;
 986 }
 987
 988 static int cfg80211_set_cipher_pairwise(struct wireless_dev *wdev, u32 cipher)
 989 {
 990         int nr_ciphers = 0;
 991         u32 *ciphers_pairwise = wdev->wext.connect.crypto.ciphers_pairwise;
 992
 993         if (cipher & IW_AUTH_CIPHER_WEP40) {
 994                 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP40;
 995                 nr_ciphers++;
 996         }
 997
 998         if (cipher & IW_AUTH_CIPHER_WEP104) {
 999                 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_WEP104;
1000                 nr_ciphers++;
1001         }
1002
1003         if (cipher & IW_AUTH_CIPHER_TKIP) {
1004                 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_TKIP;
1005                 nr_ciphers++;
1006         }
1007
1008         if (cipher & IW_AUTH_CIPHER_CCMP) {
1009                 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_CCMP;
1010                 nr_ciphers++;
1011         }
1012
1013         if (cipher & IW_AUTH_CIPHER_AES_CMAC) {
1014                 ciphers_pairwise[nr_ciphers] = WLAN_CIPHER_SUITE_AES_CMAC;
1015                 nr_ciphers++;
1016         }
1017
1018         BUILD_BUG_ON(NL80211_MAX_NR_CIPHER_SUITES < 5);
1019
1020         wdev->wext.connect.crypto.n_ciphers_pairwise = nr_ciphers;
1021
1022         return 0;
1023 }
1024
1025
1026 static int cfg80211_set_key_mgt(struct wireless_dev *wdev, u32 key_mgt)
1027 {
1028         int nr_akm_suites = 0;
1029
1030         if (key_mgt & ~(IW_AUTH_KEY_MGMT_802_1X |
1031                         IW_AUTH_KEY_MGMT_PSK))
1032                 return -EINVAL;
1033
1034         if (key_mgt & IW_AUTH_KEY_MGMT_802_1X) {
1035                 wdev->wext.connect.crypto.akm_suites[nr_akm_suites] =
1036                         WLAN_AKM_SUITE_8021X;
1037                 nr_akm_suites++;
1038         }
1039
1040         if (key_mgt & IW_AUTH_KEY_MGMT_PSK) {
1041                 wdev->wext.connect.crypto.akm_suites[nr_akm_suites] =
1042                         WLAN_AKM_SUITE_PSK;
1043                 nr_akm_suites++;
1044         }
1045
1046         wdev->wext.connect.crypto.n_akm_suites = nr_akm_suites;
1047
1048         return 0;
1049 }
1050
1051 int cfg80211_wext_siwauth(struct net_device *dev,
1052                           struct iw_request_info *info,
1053                           struct iw_param *data, char *extra)
1054 {
1055         struct wireless_dev *wdev = dev->ieee80211_ptr;
1056
1057         if (wdev->iftype != NL80211_IFTYPE_STATION)
1058                 return -EOPNOTSUPP;
1059
1060         switch (data->flags & IW_AUTH_INDEX) {
1061         case IW_AUTH_PRIVACY_INVOKED:
1062                 wdev->wext.connect.privacy = data->value;
1063                 return 0;
1064         case IW_AUTH_WPA_VERSION:
1065                 return cfg80211_set_wpa_version(wdev, data->value);
1066         case IW_AUTH_CIPHER_GROUP:
1067                 return cfg80211_set_cipher_group(wdev, data->value);
1068         case IW_AUTH_KEY_MGMT:
1069                 return cfg80211_set_key_mgt(wdev, data->value);
1070         case IW_AUTH_CIPHER_PAIRWISE:
1071                 return cfg80211_set_cipher_pairwise(wdev, data->value);
1072         case IW_AUTH_80211_AUTH_ALG:
1073                 return cfg80211_set_auth_alg(wdev, data->value);
1074         case IW_AUTH_WPA_ENABLED:
1075         case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1076         case IW_AUTH_DROP_UNENCRYPTED:
1077         case IW_AUTH_MFP:
1078                 return 0;
1079         default:
1080                 return -EOPNOTSUPP;
1081         }
1082 }
1083 EXPORT_SYMBOL_GPL(cfg80211_wext_siwauth);
1084
1085 int cfg80211_wext_giwauth(struct net_device *dev,
1086                           struct iw_request_info *info,
1087                           struct iw_param *data, char *extra)
1088 {
1089         /* XXX: what do we need? */
1090
1091         return -EOPNOTSUPP;
1092 }
1093 EXPORT_SYMBOL_GPL(cfg80211_wext_giwauth);
1094
1095 int cfg80211_wext_siwpower(struct net_device *dev,
1096                            struct iw_request_info *info,
1097                            struct iw_param *wrq, char *extra)
1098 {
1099         struct wireless_dev *wdev = dev->ieee80211_ptr;
1100         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1101         bool ps = wdev->wext.ps;
1102         int timeout = wdev->wext.ps_timeout;
1103         int err;
1104
1105         if (wdev->iftype != NL80211_IFTYPE_STATION)
1106                 return -EINVAL;
1107
1108         if (!rdev->ops->set_power_mgmt)
1109                 return -EOPNOTSUPP;
1110
1111         if (wrq->disabled) {
1112                 ps = false;
1113         } else {
1114                 switch (wrq->flags & IW_POWER_MODE) {
1115                 case IW_POWER_ON:       /* If not specified */
1116                 case IW_POWER_MODE:     /* If set all mask */
1117                 case IW_POWER_ALL_R:    /* If explicitely state all */
1118                         ps = true;
1119                         break;
1120                 default:                /* Otherwise we ignore */
1121                         return -EINVAL;
1122                 }
1123
1124                 if (wrq->flags & ~(IW_POWER_MODE | IW_POWER_TIMEOUT))
1125                         return -EINVAL;
1126
1127                 if (wrq->flags & IW_POWER_TIMEOUT)
1128                         timeout = wrq->value / 1000;
1129         }
1130
1131         err = rdev->ops->set_power_mgmt(wdev->wiphy, dev, ps, timeout);
1132         if (err)
1133                 return err;
1134
1135         wdev->wext.ps = ps;
1136         wdev->wext.ps_timeout = timeout;
1137
1138         return 0;
1139
1140 }
1141 EXPORT_SYMBOL_GPL(cfg80211_wext_siwpower);
1142
1143 int cfg80211_wext_giwpower(struct net_device *dev,
1144                            struct iw_request_info *info,
1145                            struct iw_param *wrq, char *extra)
1146 {
1147         struct wireless_dev *wdev = dev->ieee80211_ptr;
1148
1149         wrq->disabled = !wdev->wext.ps;
1150
1151         return 0;
1152 }
1153 EXPORT_SYMBOL_GPL(cfg80211_wext_giwpower);
1154
1155 static int cfg80211_wds_wext_siwap(struct net_device *dev,
1156                                    struct iw_request_info *info,
1157                                    struct sockaddr *addr, char *extra)
1158 {
1159         struct wireless_dev *wdev = dev->ieee80211_ptr;
1160         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1161         int err;
1162
1163         if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
1164                 return -EINVAL;
1165
1166         if (addr->sa_family != ARPHRD_ETHER)
1167                 return -EINVAL;
1168
1169         if (netif_running(dev))
1170                 return -EBUSY;
1171
1172         if (!rdev->ops->set_wds_peer)
1173                 return -EOPNOTSUPP;
1174
1175         err = rdev->ops->set_wds_peer(wdev->wiphy, dev, (u8 *) &addr->sa_data);
1176         if (err)
1177                 return err;
1178
1179         memcpy(&wdev->wext.bssid, (u8 *) &addr->sa_data, ETH_ALEN);
1180
1181         return 0;
1182 }
1183
1184 static int cfg80211_wds_wext_giwap(struct net_device *dev,
1185                                    struct iw_request_info *info,
1186                                    struct sockaddr *addr, char *extra)
1187 {
1188         struct wireless_dev *wdev = dev->ieee80211_ptr;
1189
1190         if (WARN_ON(wdev->iftype != NL80211_IFTYPE_WDS))
1191                 return -EINVAL;
1192
1193         addr->sa_family = ARPHRD_ETHER;
1194         memcpy(&addr->sa_data, wdev->wext.bssid, ETH_ALEN);
1195
1196         return 0;
1197 }
1198
1199 int cfg80211_wext_siwrate(struct net_device *dev,
1200                           struct iw_request_info *info,
1201                           struct iw_param *rate, char *extra)
1202 {
1203         struct wireless_dev *wdev = dev->ieee80211_ptr;
1204         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1205         struct cfg80211_bitrate_mask mask;
1206
1207         if (!rdev->ops->set_bitrate_mask)
1208                 return -EOPNOTSUPP;
1209
1210         mask.fixed = 0;
1211         mask.maxrate = 0;
1212
1213         if (rate->value < 0) {
1214                 /* nothing */
1215         } else if (rate->fixed) {
1216                 mask.fixed = rate->value / 1000; /* kbps */
1217         } else {
1218                 mask.maxrate = rate->value / 1000; /* kbps */
1219         }
1220
1221         return rdev->ops->set_bitrate_mask(wdev->wiphy, dev, NULL, &mask);
1222 }
1223 EXPORT_SYMBOL_GPL(cfg80211_wext_siwrate);
1224
1225 int cfg80211_wext_giwrate(struct net_device *dev,
1226                           struct iw_request_info *info,
1227                           struct iw_param *rate, char *extra)
1228 {
1229         struct wireless_dev *wdev = dev->ieee80211_ptr;
1230         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1231         /* we are under RTNL - globally locked - so can use a static struct */
1232         static struct station_info sinfo;
1233         u8 addr[ETH_ALEN];
1234         int err;
1235
1236         if (wdev->iftype != NL80211_IFTYPE_STATION)
1237                 return -EOPNOTSUPP;
1238
1239         if (!rdev->ops->get_station)
1240                 return -EOPNOTSUPP;
1241
1242         err = 0;
1243         wdev_lock(wdev);
1244         if (wdev->current_bss)
1245                 memcpy(addr, wdev->current_bss->pub.bssid, ETH_ALEN);
1246         else
1247                 err = -EOPNOTSUPP;
1248         wdev_unlock(wdev);
1249         if (err)
1250                 return err;
1251
1252         err = rdev->ops->get_station(&rdev->wiphy, dev, addr, &sinfo);
1253         if (err)
1254                 return err;
1255
1256         if (!(sinfo.filled & STATION_INFO_TX_BITRATE))
1257                 return -EOPNOTSUPP;
1258
1259         rate->value = 0;
1260
1261         if (!(sinfo.txrate.flags & RATE_INFO_FLAGS_MCS))
1262                 rate->value = 100000 * sinfo.txrate.legacy;
1263
1264         return 0;
1265 }
1266 EXPORT_SYMBOL_GPL(cfg80211_wext_giwrate);
1267
1268 /* Get wireless statistics.  Called by /proc/net/wireless and by SIOCGIWSTATS */
1269 struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev)
1270 {
1271         struct wireless_dev *wdev = dev->ieee80211_ptr;
1272         struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
1273         /* we are under RTNL - globally locked - so can use static structs */
1274         static struct iw_statistics wstats;
1275         static struct station_info sinfo;
1276         u8 bssid[ETH_ALEN];
1277
1278         if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION)
1279                 return NULL;
1280
1281         if (!rdev->ops->get_station)
1282                 return NULL;
1283
1284         /* Grab BSSID of current BSS, if any */
1285         wdev_lock(wdev);
1286         if (!wdev->current_bss) {
1287                 wdev_unlock(wdev);
1288                 return NULL;
1289         }
1290         memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN);
1291         wdev_unlock(wdev);
1292
1293         if (rdev->ops->get_station(&rdev->wiphy, dev, bssid, &sinfo))
1294                 return NULL;
1295
1296         memset(&wstats, 0, sizeof(wstats));
1297
1298         switch (rdev->wiphy.signal_type) {
1299         case CFG80211_SIGNAL_TYPE_MBM:
1300                 if (sinfo.filled & STATION_INFO_SIGNAL) {
1301                         int sig = sinfo.signal;
1302                         wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
1303                         wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
1304                         wstats.qual.updated |= IW_QUAL_DBM;
1305                         wstats.qual.level = sig;
1306                         if (sig < -110)
1307                                 sig = -110;
1308                         else if (sig > -40)
1309                                 sig = -40;
1310                         wstats.qual.qual = sig + 110;
1311                         break;
1312                 }
1313         case CFG80211_SIGNAL_TYPE_UNSPEC:
1314                 if (sinfo.filled & STATION_INFO_SIGNAL) {
1315                         wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
1316                         wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
1317                         wstats.qual.level = sinfo.signal;
1318                         wstats.qual.qual = sinfo.signal;
1319                         break;
1320                 }
1321         default:
1322                 wstats.qual.updated |= IW_QUAL_LEVEL_INVALID;
1323                 wstats.qual.updated |= IW_QUAL_QUAL_INVALID;
1324         }
1325
1326         wstats.qual.updated |= IW_QUAL_NOISE_INVALID;
1327
1328         return &wstats;
1329 }
1330 EXPORT_SYMBOL_GPL(cfg80211_wireless_stats);
1331
1332 int cfg80211_wext_siwap(struct net_device *dev,
1333                         struct iw_request_info *info,
1334                         struct sockaddr *ap_addr, char *extra)
1335 {
1336         struct wireless_dev *wdev = dev->ieee80211_ptr;
1337
1338         switch (wdev->iftype) {
1339         case NL80211_IFTYPE_ADHOC:
1340                 return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);
1341         case NL80211_IFTYPE_STATION:
1342                 return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra);
1343         case NL80211_IFTYPE_WDS:
1344                 return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra);
1345         default:
1346                 return -EOPNOTSUPP;
1347         }
1348 }
1349 EXPORT_SYMBOL_GPL(cfg80211_wext_siwap);
1350
1351 int cfg80211_wext_giwap(struct net_device *dev,
1352                         struct iw_request_info *info,
1353                         struct sockaddr *ap_addr, char *extra)
1354 {
1355         struct wireless_dev *wdev = dev->ieee80211_ptr;
1356
1357         switch (wdev->iftype) {
1358         case NL80211_IFTYPE_ADHOC:
1359                 return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);
1360         case NL80211_IFTYPE_STATION:
1361                 return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra);
1362         case NL80211_IFTYPE_WDS:
1363                 return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra);
1364         default:
1365                 return -EOPNOTSUPP;
1366         }
1367 }
1368 EXPORT_SYMBOL_GPL(cfg80211_wext_giwap);
1369
1370 int cfg80211_wext_siwessid(struct net_device *dev,
1371                            struct iw_request_info *info,
1372                            struct iw_point *data, char *ssid)
1373 {
1374         struct wireless_dev *wdev = dev->ieee80211_ptr;
1375
1376         switch (wdev->iftype) {
1377         case NL80211_IFTYPE_ADHOC:
1378                 return cfg80211_ibss_wext_siwessid(dev, info, data, ssid);
1379         case NL80211_IFTYPE_STATION:
1380                 return cfg80211_mgd_wext_siwessid(dev, info, data, ssid);
1381         default:
1382                 return -EOPNOTSUPP;
1383         }
1384 }
1385 EXPORT_SYMBOL_GPL(cfg80211_wext_siwessid);
1386
1387 int cfg80211_wext_giwessid(struct net_device *dev,
1388                            struct iw_request_info *info,
1389                            struct iw_point *data, char *ssid)
1390 {
1391         struct wireless_dev *wdev = dev->ieee80211_ptr;
1392
1393         switch (wdev->iftype) {
1394         case NL80211_IFTYPE_ADHOC:
1395                 return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);
1396         case NL80211_IFTYPE_STATION:
1397                 return cfg80211_mgd_wext_giwessid(dev, info, data, ssid);
1398         default:
1399                 return -EOPNOTSUPP;
1400         }
1401 }
1402 EXPORT_SYMBOL_GPL(cfg80211_wext_giwessid);
1403
1404 static const iw_handler cfg80211_handlers[] = {
1405         [IW_IOCTL_IDX(SIOCGIWNAME)]     = (iw_handler) cfg80211_wext_giwname,
1406         [IW_IOCTL_IDX(SIOCSIWFREQ)]     = (iw_handler) cfg80211_wext_siwfreq,
1407         [IW_IOCTL_IDX(SIOCGIWFREQ)]     = (iw_handler) cfg80211_wext_giwfreq,
1408         [IW_IOCTL_IDX(SIOCSIWMODE)]     = (iw_handler) cfg80211_wext_siwmode,
1409         [IW_IOCTL_IDX(SIOCGIWMODE)]     = (iw_handler) cfg80211_wext_giwmode,
1410         [IW_IOCTL_IDX(SIOCGIWRANGE)]    = (iw_handler) cfg80211_wext_giwrange,
1411         [IW_IOCTL_IDX(SIOCSIWAP)]       = (iw_handler) cfg80211_wext_siwap,
1412         [IW_IOCTL_IDX(SIOCGIWAP)]       = (iw_handler) cfg80211_wext_giwap,
1413         [IW_IOCTL_IDX(SIOCSIWMLME)]     = (iw_handler) cfg80211_wext_siwmlme,
1414         [IW_IOCTL_IDX(SIOCSIWSCAN)]     = (iw_handler) cfg80211_wext_siwscan,
1415         [IW_IOCTL_IDX(SIOCGIWSCAN)]     = (iw_handler) cfg80211_wext_giwscan,
1416         [IW_IOCTL_IDX(SIOCSIWESSID)]    = (iw_handler) cfg80211_wext_siwessid,
1417         [IW_IOCTL_IDX(SIOCGIWESSID)]    = (iw_handler) cfg80211_wext_giwessid,
1418         [IW_IOCTL_IDX(SIOCSIWRATE)]     = (iw_handler) cfg80211_wext_siwrate,
1419         [IW_IOCTL_IDX(SIOCGIWRATE)]     = (iw_handler) cfg80211_wext_giwrate,
1420         [IW_IOCTL_IDX(SIOCSIWRTS)]      = (iw_handler) cfg80211_wext_siwrts,
1421         [IW_IOCTL_IDX(SIOCGIWRTS)]      = (iw_handler) cfg80211_wext_giwrts,
1422         [IW_IOCTL_IDX(SIOCSIWFRAG)]     = (iw_handler) cfg80211_wext_siwfrag,
1423         [IW_IOCTL_IDX(SIOCGIWFRAG)]     = (iw_handler) cfg80211_wext_giwfrag,
1424         [IW_IOCTL_IDX(SIOCSIWTXPOW)]    = (iw_handler) cfg80211_wext_siwtxpower,
1425         [IW_IOCTL_IDX(SIOCGIWTXPOW)]    = (iw_handler) cfg80211_wext_giwtxpower,
1426         [IW_IOCTL_IDX(SIOCSIWRETRY)]    = (iw_handler) cfg80211_wext_siwretry,
1427         [IW_IOCTL_IDX(SIOCGIWRETRY)]    = (iw_handler) cfg80211_wext_giwretry,
1428         [IW_IOCTL_IDX(SIOCSIWENCODE)]   = (iw_handler) cfg80211_wext_siwencode,
1429         [IW_IOCTL_IDX(SIOCGIWENCODE)]   = (iw_handler) cfg80211_wext_giwencode,
1430         [IW_IOCTL_IDX(SIOCSIWPOWER)]    = (iw_handler) cfg80211_wext_siwpower,
1431         [IW_IOCTL_IDX(SIOCGIWPOWER)]    = (iw_handler) cfg80211_wext_giwpower,
1432         [IW_IOCTL_IDX(SIOCSIWGENIE)]    = (iw_handler) cfg80211_wext_siwgenie,
1433         [IW_IOCTL_IDX(SIOCSIWAUTH)]     = (iw_handler) cfg80211_wext_siwauth,
1434         [IW_IOCTL_IDX(SIOCGIWAUTH)]     = (iw_handler) cfg80211_wext_giwauth,
1435         [IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= (iw_handler) cfg80211_wext_siwencodeext,
1436 };
1437
1438 const struct iw_handler_def cfg80211_wext_handler = {
1439         .num_standard           = ARRAY_SIZE(cfg80211_handlers),
1440         .standard               = cfg80211_handlers,
1441         .get_wireless_stats = cfg80211_wireless_stats,
1442 };