net/mac80211/ieee80211_ioctl.c

   1 /*
   2  * Copyright 2002-2005, Instant802 Networks, Inc.
   3  * Copyright 2005-2006, Devicescape Software, Inc.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  */
   9
  10 #include <linux/module.h>
  11 #include <linux/init.h>
  12 #include <linux/netdevice.h>
  13 #include <linux/types.h>
  14 #include <linux/slab.h>
  15 #include <linux/skbuff.h>
  16 #include <linux/etherdevice.h>
  17 #include <linux/if_arp.h>
  18 #include <linux/wireless.h>
  19 #include <net/iw_handler.h>
  20 #include <asm/uaccess.h>
  21
  22 #include <net/mac80211.h>
  23 #include "ieee80211_i.h"
  24 #include "hostapd_ioctl.h"
  25 #include "ieee80211_rate.h"
  26 #include "wpa.h"
  27 #include "aes_ccm.h"
  28
  29 static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
  30                                     int idx, int alg, int set_tx_key,
  31                                     const u8 *_key, size_t key_len)
  32 {
  33         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
  34         int ret = 0;
  35         struct sta_info *sta;
  36         struct ieee80211_key *key;
  37         struct ieee80211_sub_if_data *sdata;
  38
  39         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
  40
  41         if (is_broadcast_ether_addr(sta_addr)) {
  42                 sta = NULL;
  43                 if (idx >= NUM_DEFAULT_KEYS) {
  44                         printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n",
  45                                dev->name, idx);
  46                         return -EINVAL;
  47                 }
  48                 key = sdata->keys[idx];
  49         } else {
  50                 set_tx_key = 0;
  51                 if (idx != 0) {
  52                         printk(KERN_DEBUG "%s: set_encrypt - non-zero idx for "
  53                                "individual key\n", dev->name);
  54                         return -EINVAL;
  55                 }
  56
  57                 sta = sta_info_get(local, sta_addr);
  58                 if (!sta) {
  59 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
  60                         printk(KERN_DEBUG "%s: set_encrypt - unknown addr "
  61                                MAC_FMT "\n",
  62                                dev->name, MAC_ARG(sta_addr));
  63 #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
  64
  65                         return -ENOENT;
  66                 }
  67
  68                 key = sta->key;
  69         }
  70
  71         if (alg == ALG_NONE) {
  72                 ieee80211_key_free(key);
  73                 key = NULL;
  74         } else {
  75                 /*
  76                  * Need to free it before allocating a new one with
  77                  * with the same index or the ordering to the driver's
  78                  * set_key() callback becomes confused.
  79                  */
  80                 ieee80211_key_free(key);
  81                 key = ieee80211_key_alloc(sdata, sta, alg, idx, key_len, _key);
  82                 if (!key) {
  83                         ret = -ENOMEM;
  84                         goto err_out;
  85                 }
  86         }
  87
  88         if (set_tx_key || (!sta && !sdata->default_key && key))
  89                 ieee80211_set_default_key(sdata, idx);
  90
  91         ret = 0;
  92  err_out:
  93         if (sta)
  94                 sta_info_put(sta);
  95         return ret;
  96 }
  97
  98 static int ieee80211_ioctl_siwgenie(struct net_device *dev,
  99                                     struct iw_request_info *info,
 100                                     struct iw_point *data, char *extra)
 101 {
 102         struct ieee80211_sub_if_data *sdata;
 103         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 104
 105         if (local->user_space_mlme)
 106                 return -EOPNOTSUPP;
 107
 108         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 109         if (sdata->type == IEEE80211_IF_TYPE_STA ||
 110             sdata->type == IEEE80211_IF_TYPE_IBSS) {
 111                 int ret = ieee80211_sta_set_extra_ie(dev, extra, data->length);
 112                 if (ret)
 113                         return ret;
 114                 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
 115                 ieee80211_sta_req_auth(dev, &sdata->u.sta);
 116                 return 0;
 117         }
 118
 119         if (sdata->type == IEEE80211_IF_TYPE_AP) {
 120                 kfree(sdata->u.ap.generic_elem);
 121                 sdata->u.ap.generic_elem = kmalloc(data->length, GFP_KERNEL);
 122                 if (!sdata->u.ap.generic_elem)
 123                         return -ENOMEM;
 124                 memcpy(sdata->u.ap.generic_elem, extra, data->length);
 125                 sdata->u.ap.generic_elem_len = data->length;
 126                 return ieee80211_if_config(dev);
 127         }
 128         return -EOPNOTSUPP;
 129 }
 130
 131 static int ieee80211_ioctl_giwname(struct net_device *dev,
 132                                    struct iw_request_info *info,
 133                                    char *name, char *extra)
 134 {
 135         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 136
 137         switch (local->hw.conf.phymode) {
 138         case MODE_IEEE80211A:
 139                 strcpy(name, "IEEE 802.11a");
 140                 break;
 141         case MODE_IEEE80211B:
 142                 strcpy(name, "IEEE 802.11b");
 143                 break;
 144         case MODE_IEEE80211G:
 145                 strcpy(name, "IEEE 802.11g");
 146                 break;
 147         case MODE_ATHEROS_TURBO:
 148                 strcpy(name, "5GHz Turbo");
 149                 break;
 150         default:
 151                 strcpy(name, "IEEE 802.11");
 152                 break;
 153         }
 154
 155         return 0;
 156 }
 157
 158
 159 static int ieee80211_ioctl_giwrange(struct net_device *dev,
 160                                  struct iw_request_info *info,
 161                                  struct iw_point *data, char *extra)
 162 {
 163         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 164         struct iw_range *range = (struct iw_range *) extra;
 165         struct ieee80211_hw_mode *mode = NULL;
 166         int c = 0;
 167
 168         data->length = sizeof(struct iw_range);
 169         memset(range, 0, sizeof(struct iw_range));
 170
 171         range->we_version_compiled = WIRELESS_EXT;
 172         range->we_version_source = 21;
 173         range->retry_capa = IW_RETRY_LIMIT;
 174         range->retry_flags = IW_RETRY_LIMIT;
 175         range->min_retry = 0;
 176         range->max_retry = 255;
 177         range->min_rts = 0;
 178         range->max_rts = 2347;
 179         range->min_frag = 256;
 180         range->max_frag = 2346;
 181
 182         range->encoding_size[0] = 5;
 183         range->encoding_size[1] = 13;
 184         range->num_encoding_sizes = 2;
 185         range->max_encoding_tokens = NUM_DEFAULT_KEYS;
 186
 187         range->max_qual.qual = local->hw.max_signal;
 188         range->max_qual.level = local->hw.max_rssi;
 189         range->max_qual.noise = local->hw.max_noise;
 190         range->max_qual.updated = local->wstats_flags;
 191
 192         range->avg_qual.qual = local->hw.max_signal/2;
 193         range->avg_qual.level = 0;
 194         range->avg_qual.noise = 0;
 195         range->avg_qual.updated = local->wstats_flags;
 196
 197         range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
 198                           IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
 199
 200         list_for_each_entry(mode, &local->modes_list, list) {
 201                 int i = 0;
 202
 203                 if (!(local->enabled_modes & (1 << mode->mode)) ||
 204                     (local->hw_modes & local->enabled_modes &
 205                      (1 << MODE_IEEE80211G) && mode->mode == MODE_IEEE80211B))
 206                         continue;
 207
 208                 while (i < mode->num_channels && c < IW_MAX_FREQUENCIES) {
 209                         struct ieee80211_channel *chan = &mode->channels[i];
 210
 211                         if (chan->flag & IEEE80211_CHAN_W_SCAN) {
 212                                 range->freq[c].i = chan->chan;
 213                                 range->freq[c].m = chan->freq * 100000;
 214                                 range->freq[c].e = 1;
 215                                 c++;
 216                         }
 217                         i++;
 218                 }
 219         }
 220         range->num_channels = c;
 221         range->num_frequency = c;
 222
 223         IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
 224         IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWTHRSPY);
 225         IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
 226         IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
 227
 228         return 0;
 229 }
 230
 231
 232 static int ieee80211_ioctl_siwmode(struct net_device *dev,
 233                                    struct iw_request_info *info,
 234                                    __u32 *mode, char *extra)
 235 {
 236         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 237         int type;
 238
 239         if (sdata->type == IEEE80211_IF_TYPE_VLAN)
 240                 return -EOPNOTSUPP;
 241
 242         switch (*mode) {
 243         case IW_MODE_INFRA:
 244                 type = IEEE80211_IF_TYPE_STA;
 245                 break;
 246         case IW_MODE_ADHOC:
 247                 type = IEEE80211_IF_TYPE_IBSS;
 248                 break;
 249         case IW_MODE_MONITOR:
 250                 type = IEEE80211_IF_TYPE_MNTR;
 251                 break;
 252         default:
 253                 return -EINVAL;
 254         }
 255
 256         if (type == sdata->type)
 257                 return 0;
 258         if (netif_running(dev))
 259                 return -EBUSY;
 260
 261         ieee80211_if_reinit(dev);
 262         ieee80211_if_set_type(dev, type);
 263
 264         return 0;
 265 }
 266
 267
 268 static int ieee80211_ioctl_giwmode(struct net_device *dev,
 269                                    struct iw_request_info *info,
 270                                    __u32 *mode, char *extra)
 271 {
 272         struct ieee80211_sub_if_data *sdata;
 273
 274         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 275         switch (sdata->type) {
 276         case IEEE80211_IF_TYPE_AP:
 277                 *mode = IW_MODE_MASTER;
 278                 break;
 279         case IEEE80211_IF_TYPE_STA:
 280                 *mode = IW_MODE_INFRA;
 281                 break;
 282         case IEEE80211_IF_TYPE_IBSS:
 283                 *mode = IW_MODE_ADHOC;
 284                 break;
 285         case IEEE80211_IF_TYPE_MNTR:
 286                 *mode = IW_MODE_MONITOR;
 287                 break;
 288         case IEEE80211_IF_TYPE_WDS:
 289                 *mode = IW_MODE_REPEAT;
 290                 break;
 291         case IEEE80211_IF_TYPE_VLAN:
 292                 *mode = IW_MODE_SECOND;         /* FIXME */
 293                 break;
 294         default:
 295                 *mode = IW_MODE_AUTO;
 296                 break;
 297         }
 298         return 0;
 299 }
 300
 301 int ieee80211_set_channel(struct ieee80211_local *local, int channel, int freq)
 302 {
 303         struct ieee80211_hw_mode *mode;
 304         int c, set = 0;
 305         int ret = -EINVAL;
 306
 307         list_for_each_entry(mode, &local->modes_list, list) {
 308                 if (!(local->enabled_modes & (1 << mode->mode)))
 309                         continue;
 310                 for (c = 0; c < mode->num_channels; c++) {
 311                         struct ieee80211_channel *chan = &mode->channels[c];
 312                         if (chan->flag & IEEE80211_CHAN_W_SCAN &&
 313                             ((chan->chan == channel) || (chan->freq == freq))) {
 314                                 /* Use next_mode as the mode preference to
 315                                  * resolve non-unique channel numbers. */
 316                                 if (set && mode->mode != local->next_mode)
 317                                         continue;
 318
 319                                 local->oper_channel = chan;
 320                                 local->oper_hw_mode = mode;
 321                                 set++;
 322                         }
 323                 }
 324         }
 325
 326         if (set) {
 327                 if (local->sta_scanning)
 328                         ret = 0;
 329                 else
 330                         ret = ieee80211_hw_config(local);
 331
 332                 rate_control_clear(local);
 333         }
 334
 335         return ret;
 336 }
 337
 338 static int ieee80211_ioctl_siwfreq(struct net_device *dev,
 339                                    struct iw_request_info *info,
 340                                    struct iw_freq *freq, char *extra)
 341 {
 342         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 343         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 344
 345         if (sdata->type == IEEE80211_IF_TYPE_STA)
 346                 sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
 347
 348         /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
 349         if (freq->e == 0) {
 350                 if (freq->m < 0) {
 351                         if (sdata->type == IEEE80211_IF_TYPE_STA)
 352                                 sdata->u.sta.flags |=
 353                                         IEEE80211_STA_AUTO_CHANNEL_SEL;
 354                         return 0;
 355                 } else
 356                         return ieee80211_set_channel(local, freq->m, -1);
 357         } else {
 358                 int i, div = 1000000;
 359                 for (i = 0; i < freq->e; i++)
 360                         div /= 10;
 361                 if (div > 0)
 362                         return ieee80211_set_channel(local, -1, freq->m / div);
 363                 else
 364                         return -EINVAL;
 365         }
 366 }
 367
 368
 369 static int ieee80211_ioctl_giwfreq(struct net_device *dev,
 370                                    struct iw_request_info *info,
 371                                    struct iw_freq *freq, char *extra)
 372 {
 373         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 374
 375         /* TODO: in station mode (Managed/Ad-hoc) might need to poll low-level
 376          * driver for the current channel with firmware-based management */
 377
 378         freq->m = local->hw.conf.freq;
 379         freq->e = 6;
 380
 381         return 0;
 382 }
 383
 384
 385 static int ieee80211_ioctl_siwessid(struct net_device *dev,
 386                                     struct iw_request_info *info,
 387                                     struct iw_point *data, char *ssid)
 388 {
 389         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 390         struct ieee80211_sub_if_data *sdata;
 391         size_t len = data->length;
 392
 393         /* iwconfig uses nul termination in SSID.. */
 394         if (len > 0 && ssid[len - 1] == '\0')
 395                 len--;
 396
 397         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 398         if (sdata->type == IEEE80211_IF_TYPE_STA ||
 399             sdata->type == IEEE80211_IF_TYPE_IBSS) {
 400                 int ret;
 401                 if (local->user_space_mlme) {
 402                         if (len > IEEE80211_MAX_SSID_LEN)
 403                                 return -EINVAL;
 404                         memcpy(sdata->u.sta.ssid, ssid, len);
 405                         sdata->u.sta.ssid_len = len;
 406                         return 0;
 407                 }
 408                 if (data->flags)
 409                         sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
 410                 else
 411                         sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
 412                 ret = ieee80211_sta_set_ssid(dev, ssid, len);
 413                 if (ret)
 414                         return ret;
 415                 ieee80211_sta_req_auth(dev, &sdata->u.sta);
 416                 return 0;
 417         }
 418
 419         if (sdata->type == IEEE80211_IF_TYPE_AP) {
 420                 memcpy(sdata->u.ap.ssid, ssid, len);
 421                 memset(sdata->u.ap.ssid + len, 0,
 422                        IEEE80211_MAX_SSID_LEN - len);
 423                 sdata->u.ap.ssid_len = len;
 424                 return ieee80211_if_config(dev);
 425         }
 426         return -EOPNOTSUPP;
 427 }
 428
 429
 430 static int ieee80211_ioctl_giwessid(struct net_device *dev,
 431                                     struct iw_request_info *info,
 432                                     struct iw_point *data, char *ssid)
 433 {
 434         size_t len;
 435
 436         struct ieee80211_sub_if_data *sdata;
 437         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 438         if (sdata->type == IEEE80211_IF_TYPE_STA ||
 439             sdata->type == IEEE80211_IF_TYPE_IBSS) {
 440                 int res = ieee80211_sta_get_ssid(dev, ssid, &len);
 441                 if (res == 0) {
 442                         data->length = len;
 443                         data->flags = 1;
 444                 } else
 445                         data->flags = 0;
 446                 return res;
 447         }
 448
 449         if (sdata->type == IEEE80211_IF_TYPE_AP) {
 450                 len = sdata->u.ap.ssid_len;
 451                 if (len > IW_ESSID_MAX_SIZE)
 452                         len = IW_ESSID_MAX_SIZE;
 453                 memcpy(ssid, sdata->u.ap.ssid, len);
 454                 data->length = len;
 455                 data->flags = 1;
 456                 return 0;
 457         }
 458         return -EOPNOTSUPP;
 459 }
 460
 461
 462 static int ieee80211_ioctl_siwap(struct net_device *dev,
 463                                  struct iw_request_info *info,
 464                                  struct sockaddr *ap_addr, char *extra)
 465 {
 466         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 467         struct ieee80211_sub_if_data *sdata;
 468
 469         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 470         if (sdata->type == IEEE80211_IF_TYPE_STA ||
 471             sdata->type == IEEE80211_IF_TYPE_IBSS) {
 472                 int ret;
 473                 if (local->user_space_mlme) {
 474                         memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
 475                                ETH_ALEN);
 476                         return 0;
 477                 }
 478                 if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
 479                         sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
 480                                 IEEE80211_STA_AUTO_CHANNEL_SEL;
 481                 else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
 482                         sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
 483                 else
 484                         sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
 485                 ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data);
 486                 if (ret)
 487                         return ret;
 488                 ieee80211_sta_req_auth(dev, &sdata->u.sta);
 489                 return 0;
 490         } else if (sdata->type == IEEE80211_IF_TYPE_WDS) {
 491                 if (memcmp(sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
 492                            ETH_ALEN) == 0)
 493                         return 0;
 494                 return ieee80211_if_update_wds(dev, (u8 *) &ap_addr->sa_data);
 495         }
 496
 497         return -EOPNOTSUPP;
 498 }
 499
 500
 501 static int ieee80211_ioctl_giwap(struct net_device *dev,
 502                                  struct iw_request_info *info,
 503                                  struct sockaddr *ap_addr, char *extra)
 504 {
 505         struct ieee80211_sub_if_data *sdata;
 506
 507         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 508         if (sdata->type == IEEE80211_IF_TYPE_STA ||
 509             sdata->type == IEEE80211_IF_TYPE_IBSS) {
 510                 ap_addr->sa_family = ARPHRD_ETHER;
 511                 memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
 512                 return 0;
 513         } else if (sdata->type == IEEE80211_IF_TYPE_WDS) {
 514                 ap_addr->sa_family = ARPHRD_ETHER;
 515                 memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
 516                 return 0;
 517         }
 518
 519         return -EOPNOTSUPP;
 520 }
 521
 522
 523 static int ieee80211_ioctl_siwscan(struct net_device *dev,
 524                                    struct iw_request_info *info,
 525                                    struct iw_point *data, char *extra)
 526 {
 527         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 528         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 529         u8 *ssid = NULL;
 530         size_t ssid_len = 0;
 531
 532         if (!netif_running(dev))
 533                 return -ENETDOWN;
 534
 535         switch (sdata->type) {
 536         case IEEE80211_IF_TYPE_STA:
 537         case IEEE80211_IF_TYPE_IBSS:
 538                 if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
 539                         ssid = sdata->u.sta.ssid;
 540                         ssid_len = sdata->u.sta.ssid_len;
 541                 }
 542                 break;
 543         case IEEE80211_IF_TYPE_AP:
 544                 if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
 545                         ssid = sdata->u.ap.ssid;
 546                         ssid_len = sdata->u.ap.ssid_len;
 547                 }
 548                 break;
 549         default:
 550                 return -EOPNOTSUPP;
 551         }
 552
 553         return ieee80211_sta_req_scan(dev, ssid, ssid_len);
 554 }
 555
 556
 557 static int ieee80211_ioctl_giwscan(struct net_device *dev,
 558                                    struct iw_request_info *info,
 559                                    struct iw_point *data, char *extra)
 560 {
 561         int res;
 562         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 563         if (local->sta_scanning)
 564                 return -EAGAIN;
 565         res = ieee80211_sta_scan_results(dev, extra, data->length);
 566         if (res >= 0) {
 567                 data->length = res;
 568                 return 0;
 569         }
 570         data->length = 0;
 571         return res;
 572 }
 573
 574
 575 static int ieee80211_ioctl_siwrate(struct net_device *dev,
 576                                   struct iw_request_info *info,
 577                                   struct iw_param *rate, char *extra)
 578 {
 579         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 580         struct ieee80211_hw_mode *mode;
 581         int i;
 582         u32 target_rate = rate->value / 100000;
 583         struct ieee80211_sub_if_data *sdata;
 584
 585         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 586         if (!sdata->bss)
 587                 return -ENODEV;
 588         mode = local->oper_hw_mode;
 589         /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
 590          * target_rate = X, rate->fixed = 1 means only rate X
 591          * target_rate = X, rate->fixed = 0 means all rates <= X */
 592         sdata->bss->max_ratectrl_rateidx = -1;
 593         sdata->bss->force_unicast_rateidx = -1;
 594         if (rate->value < 0)
 595                 return 0;
 596         for (i=0; i< mode->num_rates; i++) {
 597                 struct ieee80211_rate *rates = &mode->rates[i];
 598                 int this_rate = rates->rate;
 599
 600                 if (mode->mode == MODE_ATHEROS_TURBO ||
 601                     mode->mode == MODE_ATHEROS_TURBOG)
 602                         this_rate *= 2;
 603                 if (target_rate == this_rate) {
 604                         sdata->bss->max_ratectrl_rateidx = i;
 605                         if (rate->fixed)
 606                                 sdata->bss->force_unicast_rateidx = i;
 607                         break;
 608                 }
 609         }
 610         return 0;
 611 }
 612
 613 static int ieee80211_ioctl_giwrate(struct net_device *dev,
 614                                   struct iw_request_info *info,
 615                                   struct iw_param *rate, char *extra)
 616 {
 617         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 618         struct sta_info *sta;
 619         struct ieee80211_sub_if_data *sdata;
 620
 621         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 622         if (sdata->type == IEEE80211_IF_TYPE_STA)
 623                 sta = sta_info_get(local, sdata->u.sta.bssid);
 624         else
 625                 return -EOPNOTSUPP;
 626         if (!sta)
 627                 return -ENODEV;
 628         if (sta->txrate < local->oper_hw_mode->num_rates)
 629                 rate->value = local->oper_hw_mode->rates[sta->txrate].rate * 100000;
 630         else
 631                 rate->value = 0;
 632         sta_info_put(sta);
 633         return 0;
 634 }
 635
 636 static int ieee80211_ioctl_giwtxpower(struct net_device *dev,
 637                                    struct iw_request_info *info,
 638                                    union iwreq_data *data, char *extra)
 639 {
 640         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 641
 642         data->txpower.fixed = 1;
 643         data->txpower.disabled = !(local->hw.conf.radio_enabled);
 644         data->txpower.value = local->hw.conf.power_level;
 645         data->txpower.flags = IW_TXPOW_DBM;
 646
 647         return 0;
 648 }
 649
 650 static int ieee80211_ioctl_siwrts(struct net_device *dev,
 651                                   struct iw_request_info *info,
 652                                   struct iw_param *rts, char *extra)
 653 {
 654         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 655
 656         if (rts->disabled)
 657                 local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
 658         else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
 659                 return -EINVAL;
 660         else
 661                 local->rts_threshold = rts->value;
 662
 663         /* If the wlan card performs RTS/CTS in hardware/firmware,
 664          * configure it here */
 665
 666         if (local->ops->set_rts_threshold)
 667                 local->ops->set_rts_threshold(local_to_hw(local),
 668                                              local->rts_threshold);
 669
 670         return 0;
 671 }
 672
 673 static int ieee80211_ioctl_giwrts(struct net_device *dev,
 674                                   struct iw_request_info *info,
 675                                   struct iw_param *rts, char *extra)
 676 {
 677         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 678
 679         rts->value = local->rts_threshold;
 680         rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD);
 681         rts->fixed = 1;
 682
 683         return 0;
 684 }
 685
 686
 687 static int ieee80211_ioctl_siwfrag(struct net_device *dev,
 688                                    struct iw_request_info *info,
 689                                    struct iw_param *frag, char *extra)
 690 {
 691         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 692
 693         if (frag->disabled)
 694                 local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
 695         else if (frag->value < 256 ||
 696                  frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
 697                 return -EINVAL;
 698         else {
 699                 /* Fragment length must be even, so strip LSB. */
 700                 local->fragmentation_threshold = frag->value & ~0x1;
 701         }
 702
 703         /* If the wlan card performs fragmentation in hardware/firmware,
 704          * configure it here */
 705
 706         if (local->ops->set_frag_threshold)
 707                 local->ops->set_frag_threshold(
 708                         local_to_hw(local),
 709                         local->fragmentation_threshold);
 710
 711         return 0;
 712 }
 713
 714 static int ieee80211_ioctl_giwfrag(struct net_device *dev,
 715                                    struct iw_request_info *info,
 716                                    struct iw_param *frag, char *extra)
 717 {
 718         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 719
 720         frag->value = local->fragmentation_threshold;
 721         frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
 722         frag->fixed = 1;
 723
 724         return 0;
 725 }
 726
 727
 728 static int ieee80211_ioctl_siwretry(struct net_device *dev,
 729                                     struct iw_request_info *info,
 730                                     struct iw_param *retry, char *extra)
 731 {
 732         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 733
 734         if (retry->disabled ||
 735             (retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
 736                 return -EINVAL;
 737
 738         if (retry->flags & IW_RETRY_MAX)
 739                 local->long_retry_limit = retry->value;
 740         else if (retry->flags & IW_RETRY_MIN)
 741                 local->short_retry_limit = retry->value;
 742         else {
 743                 local->long_retry_limit = retry->value;
 744                 local->short_retry_limit = retry->value;
 745         }
 746
 747         if (local->ops->set_retry_limit) {
 748                 return local->ops->set_retry_limit(
 749                         local_to_hw(local),
 750                         local->short_retry_limit,
 751                         local->long_retry_limit);
 752         }
 753
 754         return 0;
 755 }
 756
 757
 758 static int ieee80211_ioctl_giwretry(struct net_device *dev,
 759                                     struct iw_request_info *info,
 760                                     struct iw_param *retry, char *extra)
 761 {
 762         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 763
 764         retry->disabled = 0;
 765         if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) {
 766                 /* first return min value, iwconfig will ask max value
 767                  * later if needed */
 768                 retry->flags |= IW_RETRY_LIMIT;
 769                 retry->value = local->short_retry_limit;
 770                 if (local->long_retry_limit != local->short_retry_limit)
 771                         retry->flags |= IW_RETRY_MIN;
 772                 return 0;
 773         }
 774         if (retry->flags & IW_RETRY_MAX) {
 775                 retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
 776                 retry->value = local->long_retry_limit;
 777         }
 778
 779         return 0;
 780 }
 781
 782 static int ieee80211_ioctl_prism2_param(struct net_device *dev,
 783                                         struct iw_request_info *info,
 784                                         void *wrqu, char *extra)
 785 {
 786         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 787         struct ieee80211_sub_if_data *sdata;
 788         int *i = (int *) extra;
 789         int param = *i;
 790         int value = *(i + 1);
 791         int ret = 0;
 792
 793         if (!capable(CAP_NET_ADMIN))
 794                 return -EPERM;
 795
 796         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 797
 798         switch (param) {
 799         case PRISM2_PARAM_IEEE_802_1X:
 800                 if (local->ops->set_ieee8021x)
 801                         ret = local->ops->set_ieee8021x(local_to_hw(local),
 802                                                         value);
 803                 if (ret)
 804                         printk(KERN_DEBUG "%s: failed to set IEEE 802.1X (%d) "
 805                                "for low-level driver\n", dev->name, value);
 806                 else
 807                         sdata->ieee802_1x = value;
 808                 break;
 809
 810         case PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES:
 811                 if (sdata->type == IEEE80211_IF_TYPE_AP) {
 812                         if (value)
 813                                 sdata->flags |= IEEE80211_SDATA_USE_PROTECTION;
 814                         else
 815                                 sdata->flags &= ~IEEE80211_SDATA_USE_PROTECTION;
 816                         ieee80211_erp_info_change_notify(dev,
 817                                         IEEE80211_ERP_CHANGE_PROTECTION);
 818                 } else {
 819                         ret = -ENOENT;
 820                 }
 821                 break;
 822
 823         case PRISM2_PARAM_PREAMBLE:
 824                 if (sdata->type == IEEE80211_IF_TYPE_AP) {
 825                         if (value)
 826                                 sdata->flags |= IEEE80211_SDATA_SHORT_PREAMBLE;
 827                         else
 828                                 sdata->flags &= ~IEEE80211_SDATA_SHORT_PREAMBLE;
 829                         ieee80211_erp_info_change_notify(dev,
 830                                         IEEE80211_ERP_CHANGE_PREAMBLE);
 831                 } else {
 832                         ret = -ENOENT;
 833                 }
 834                 break;
 835
 836         case PRISM2_PARAM_SHORT_SLOT_TIME:
 837                 if (value)
 838                         local->hw.conf.flags |= IEEE80211_CONF_SHORT_SLOT_TIME;
 839                 else
 840                         local->hw.conf.flags &= ~IEEE80211_CONF_SHORT_SLOT_TIME;
 841                 if (ieee80211_hw_config(local))
 842                         ret = -EINVAL;
 843                 break;
 844
 845         case PRISM2_PARAM_NEXT_MODE:
 846                 local->next_mode = value;
 847                 break;
 848
 849         case PRISM2_PARAM_KEY_TX_RX_THRESHOLD:
 850                 local->key_tx_rx_threshold = value;
 851                 break;
 852
 853         case PRISM2_PARAM_WIFI_WME_NOACK_TEST:
 854                 local->wifi_wme_noack_test = value;
 855                 break;
 856
 857         case PRISM2_PARAM_SCAN_FLAGS:
 858                 local->scan_flags = value;
 859                 break;
 860
 861         case PRISM2_PARAM_MIXED_CELL:
 862                 if (sdata->type != IEEE80211_IF_TYPE_STA &&
 863                     sdata->type != IEEE80211_IF_TYPE_IBSS)
 864                         ret = -EINVAL;
 865                 else {
 866                         if (value)
 867                                 sdata->u.sta.flags |= IEEE80211_STA_MIXED_CELL;
 868                         else
 869                                 sdata->u.sta.flags &= ~IEEE80211_STA_MIXED_CELL;
 870                 }
 871                 break;
 872
 873         case PRISM2_PARAM_HW_MODES:
 874                 local->enabled_modes = value;
 875                 break;
 876
 877         case PRISM2_PARAM_CREATE_IBSS:
 878                 if (sdata->type != IEEE80211_IF_TYPE_IBSS)
 879                         ret = -EINVAL;
 880                 else {
 881                         if (value)
 882                                 sdata->u.sta.flags |= IEEE80211_STA_CREATE_IBSS;
 883                         else
 884                                 sdata->u.sta.flags &= ~IEEE80211_STA_CREATE_IBSS;
 885                 }
 886                 break;
 887         case PRISM2_PARAM_WMM_ENABLED:
 888                 if (sdata->type != IEEE80211_IF_TYPE_STA &&
 889                     sdata->type != IEEE80211_IF_TYPE_IBSS)
 890                         ret = -EINVAL;
 891                 else {
 892                         if (value)
 893                                 sdata->u.sta.flags |= IEEE80211_STA_WMM_ENABLED;
 894                         else
 895                                 sdata->u.sta.flags &= ~IEEE80211_STA_WMM_ENABLED;
 896                 }
 897                 break;
 898         default:
 899                 ret = -EOPNOTSUPP;
 900                 break;
 901         }
 902
 903         return ret;
 904 }
 905
 906
 907 static int ieee80211_ioctl_get_prism2_param(struct net_device *dev,
 908                                             struct iw_request_info *info,
 909                                             void *wrqu, char *extra)
 910 {
 911         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 912         struct ieee80211_sub_if_data *sdata;
 913         int *param = (int *) extra;
 914         int ret = 0;
 915
 916         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 917
 918         switch (*param) {
 919         case PRISM2_PARAM_IEEE_802_1X:
 920                 *param = sdata->ieee802_1x;
 921                 break;
 922
 923         case PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES:
 924                 *param = !!(sdata->flags & IEEE80211_SDATA_USE_PROTECTION);
 925                 break;
 926
 927         case PRISM2_PARAM_PREAMBLE:
 928                 *param = !!(sdata->flags & IEEE80211_SDATA_SHORT_PREAMBLE);
 929                 break;
 930
 931         case PRISM2_PARAM_SHORT_SLOT_TIME:
 932                 *param = !!(local->hw.conf.flags & IEEE80211_CONF_SHORT_SLOT_TIME);
 933                 break;
 934
 935         case PRISM2_PARAM_NEXT_MODE:
 936                 *param = local->next_mode;
 937                 break;
 938
 939         case PRISM2_PARAM_KEY_TX_RX_THRESHOLD:
 940                 *param = local->key_tx_rx_threshold;
 941                 break;
 942
 943         case PRISM2_PARAM_WIFI_WME_NOACK_TEST:
 944                 *param = local->wifi_wme_noack_test;
 945                 break;
 946
 947         case PRISM2_PARAM_SCAN_FLAGS:
 948                 *param = local->scan_flags;
 949                 break;
 950
 951         case PRISM2_PARAM_HW_MODES:
 952                 *param = local->enabled_modes;
 953                 break;
 954
 955         case PRISM2_PARAM_CREATE_IBSS:
 956                 if (sdata->type != IEEE80211_IF_TYPE_IBSS)
 957                         ret = -EINVAL;
 958                 else
 959                         *param = !!(sdata->u.sta.flags &
 960                                         IEEE80211_STA_CREATE_IBSS);
 961                 break;
 962
 963         case PRISM2_PARAM_MIXED_CELL:
 964                 if (sdata->type != IEEE80211_IF_TYPE_STA &&
 965                     sdata->type != IEEE80211_IF_TYPE_IBSS)
 966                         ret = -EINVAL;
 967                 else
 968                         *param = !!(sdata->u.sta.flags &
 969                                         IEEE80211_STA_MIXED_CELL);
 970                 break;
 971         case PRISM2_PARAM_WMM_ENABLED:
 972                 if (sdata->type != IEEE80211_IF_TYPE_STA &&
 973                     sdata->type != IEEE80211_IF_TYPE_IBSS)
 974                         ret = -EINVAL;
 975                 else
 976                         *param = !!(sdata->u.sta.flags &
 977                                         IEEE80211_STA_WMM_ENABLED);
 978                 break;
 979         default:
 980                 ret = -EOPNOTSUPP;
 981                 break;
 982         }
 983
 984         return ret;
 985 }
 986
 987 static int ieee80211_ioctl_siwmlme(struct net_device *dev,
 988                                    struct iw_request_info *info,
 989                                    struct iw_point *data, char *extra)
 990 {
 991         struct ieee80211_sub_if_data *sdata;
 992         struct iw_mlme *mlme = (struct iw_mlme *) extra;
 993
 994         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 995         if (sdata->type != IEEE80211_IF_TYPE_STA &&
 996             sdata->type != IEEE80211_IF_TYPE_IBSS)
 997                 return -EINVAL;
 998
 999         switch (mlme->cmd) {
1000         case IW_MLME_DEAUTH:
1001                 /* TODO: mlme->addr.sa_data */
1002                 return ieee80211_sta_deauthenticate(dev, mlme->reason_code);
1003         case IW_MLME_DISASSOC:
1004                 /* TODO: mlme->addr.sa_data */
1005                 return ieee80211_sta_disassociate(dev, mlme->reason_code);
1006         default:
1007                 return -EOPNOTSUPP;
1008         }
1009 }
1010
1011
1012 static int ieee80211_ioctl_siwencode(struct net_device *dev,
1013                                      struct iw_request_info *info,
1014                                      struct iw_point *erq, char *keybuf)
1015 {
1016         struct ieee80211_sub_if_data *sdata;
1017         int idx, i, alg = ALG_WEP;
1018         u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1019
1020         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1021
1022         idx = erq->flags & IW_ENCODE_INDEX;
1023         if (idx == 0) {
1024                 if (sdata->default_key)
1025                         for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
1026                                 if (sdata->default_key == sdata->keys[i]) {
1027                                         idx = i;
1028                                         break;
1029                                 }
1030                         }
1031         } else if (idx < 1 || idx > 4)
1032                 return -EINVAL;
1033         else
1034                 idx--;
1035
1036         if (erq->flags & IW_ENCODE_DISABLED)
1037                 alg = ALG_NONE;
1038         else if (erq->length == 0) {
1039                 /* No key data - just set the default TX key index */
1040                 ieee80211_set_default_key(sdata, idx);
1041                 return 0;
1042         }
1043
1044         return ieee80211_set_encryption(
1045                 dev, bcaddr,
1046                 idx, alg,
1047                 !sdata->default_key,
1048                 keybuf, erq->length);
1049 }
1050
1051
1052 static int ieee80211_ioctl_giwencode(struct net_device *dev,
1053                                      struct iw_request_info *info,
1054                                      struct iw_point *erq, char *key)
1055 {
1056         struct ieee80211_sub_if_data *sdata;
1057         int idx, i;
1058
1059         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1060
1061         idx = erq->flags & IW_ENCODE_INDEX;
1062         if (idx < 1 || idx > 4) {
1063                 idx = -1;
1064                 if (!sdata->default_key)
1065                         idx = 0;
1066                 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
1067                         if (sdata->default_key == sdata->keys[i]) {
1068                                 idx = i;
1069                                 break;
1070                         }
1071                 }
1072                 if (idx < 0)
1073                         return -EINVAL;
1074         } else
1075                 idx--;
1076
1077         erq->flags = idx + 1;
1078
1079         if (!sdata->keys[idx]) {
1080                 erq->length = 0;
1081                 erq->flags |= IW_ENCODE_DISABLED;
1082                 return 0;
1083         }
1084
1085         memcpy(key, sdata->keys[idx]->conf.key,
1086                min_t(int, erq->length, sdata->keys[idx]->conf.keylen));
1087         erq->length = sdata->keys[idx]->conf.keylen;
1088         erq->flags |= IW_ENCODE_ENABLED;
1089
1090         return 0;
1091 }
1092
1093 static int ieee80211_ioctl_siwauth(struct net_device *dev,
1094                                    struct iw_request_info *info,
1095                                    struct iw_param *data, char *extra)
1096 {
1097         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1098         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1099         int ret = 0;
1100
1101         switch (data->flags & IW_AUTH_INDEX) {
1102         case IW_AUTH_WPA_VERSION:
1103         case IW_AUTH_CIPHER_PAIRWISE:
1104         case IW_AUTH_CIPHER_GROUP:
1105         case IW_AUTH_WPA_ENABLED:
1106         case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1107                 break;
1108         case IW_AUTH_KEY_MGMT:
1109                 if (sdata->type != IEEE80211_IF_TYPE_STA)
1110                         ret = -EINVAL;
1111                 else {
1112                         /*
1113                          * Key management was set by wpa_supplicant,
1114                          * we only need this to associate to a network
1115                          * that has privacy enabled regardless of not
1116                          * having a key.
1117                          */
1118                         sdata->u.sta.key_management_enabled = !!data->value;
1119                 }
1120                 break;
1121         case IW_AUTH_80211_AUTH_ALG:
1122                 if (sdata->type == IEEE80211_IF_TYPE_STA ||
1123                     sdata->type == IEEE80211_IF_TYPE_IBSS)
1124                         sdata->u.sta.auth_algs = data->value;
1125                 else
1126                         ret = -EOPNOTSUPP;
1127                 break;
1128         case IW_AUTH_PRIVACY_INVOKED:
1129                 if (local->ops->set_privacy_invoked)
1130                         ret = local->ops->set_privacy_invoked(
1131                                         local_to_hw(local), data->value);
1132                 break;
1133         default:
1134                 ret = -EOPNOTSUPP;
1135                 break;
1136         }
1137         return ret;
1138 }
1139
1140 /* Get wireless statistics.  Called by /proc/net/wireless and by SIOCGIWSTATS */
1141 static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
1142 {
1143         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1144         struct iw_statistics *wstats = &local->wstats;
1145         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1146         struct sta_info *sta = NULL;
1147
1148         if (sdata->type == IEEE80211_IF_TYPE_STA ||
1149             sdata->type == IEEE80211_IF_TYPE_IBSS)
1150                 sta = sta_info_get(local, sdata->u.sta.bssid);
1151         if (!sta) {
1152                 wstats->discard.fragment = 0;
1153                 wstats->discard.misc = 0;
1154                 wstats->qual.qual = 0;
1155                 wstats->qual.level = 0;
1156                 wstats->qual.noise = 0;
1157                 wstats->qual.updated = IW_QUAL_ALL_INVALID;
1158         } else {
1159                 wstats->qual.level = sta->last_rssi;
1160                 wstats->qual.qual = sta->last_signal;
1161                 wstats->qual.noise = sta->last_noise;
1162                 wstats->qual.updated = local->wstats_flags;
1163                 sta_info_put(sta);
1164         }
1165         return wstats;
1166 }
1167
1168 static int ieee80211_ioctl_giwauth(struct net_device *dev,
1169                                    struct iw_request_info *info,
1170                                    struct iw_param *data, char *extra)
1171 {
1172         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1173         int ret = 0;
1174
1175         switch (data->flags & IW_AUTH_INDEX) {
1176         case IW_AUTH_80211_AUTH_ALG:
1177                 if (sdata->type == IEEE80211_IF_TYPE_STA ||
1178                     sdata->type == IEEE80211_IF_TYPE_IBSS)
1179                         data->value = sdata->u.sta.auth_algs;
1180                 else
1181                         ret = -EOPNOTSUPP;
1182                 break;
1183         default:
1184                 ret = -EOPNOTSUPP;
1185                 break;
1186         }
1187         return ret;
1188 }
1189
1190
1191 static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
1192                                         struct iw_request_info *info,
1193                                         struct iw_point *erq, char *extra)
1194 {
1195         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1196         struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
1197         int alg, idx, i;
1198
1199         switch (ext->alg) {
1200         case IW_ENCODE_ALG_NONE:
1201                 alg = ALG_NONE;
1202                 break;
1203         case IW_ENCODE_ALG_WEP:
1204                 alg = ALG_WEP;
1205                 break;
1206         case IW_ENCODE_ALG_TKIP:
1207                 alg = ALG_TKIP;
1208                 break;
1209         case IW_ENCODE_ALG_CCMP:
1210                 alg = ALG_CCMP;
1211                 break;
1212         default:
1213                 return -EOPNOTSUPP;
1214         }
1215
1216         if (erq->flags & IW_ENCODE_DISABLED)
1217                 alg = ALG_NONE;
1218
1219         idx = erq->flags & IW_ENCODE_INDEX;
1220         if (idx < 1 || idx > 4) {
1221                 idx = -1;
1222                 if (!sdata->default_key)
1223                         idx = 0;
1224                 else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
1225                         if (sdata->default_key == sdata->keys[i]) {
1226                                 idx = i;
1227                                 break;
1228                         }
1229                 }
1230                 if (idx < 0)
1231                         return -EINVAL;
1232         } else
1233                 idx--;
1234
1235         return ieee80211_set_encryption(dev, ext->addr.sa_data, idx, alg,
1236                                         ext->ext_flags &
1237                                         IW_ENCODE_EXT_SET_TX_KEY,
1238                                         ext->key, ext->key_len);
1239 }
1240
1241
1242 static const struct iw_priv_args ieee80211_ioctl_priv[] = {
1243         { PRISM2_IOCTL_PRISM2_PARAM,
1244           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "param" },
1245         { PRISM2_IOCTL_GET_PRISM2_PARAM,
1246           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
1247           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_param" },
1248 };
1249
1250 /* Structures to export the Wireless Handlers */
1251
1252 static const iw_handler ieee80211_handler[] =
1253 {
1254         (iw_handler) NULL,                              /* SIOCSIWCOMMIT */
1255         (iw_handler) ieee80211_ioctl_giwname,           /* SIOCGIWNAME */
1256         (iw_handler) NULL,                              /* SIOCSIWNWID */
1257         (iw_handler) NULL,                              /* SIOCGIWNWID */
1258         (iw_handler) ieee80211_ioctl_siwfreq,           /* SIOCSIWFREQ */
1259         (iw_handler) ieee80211_ioctl_giwfreq,           /* SIOCGIWFREQ */
1260         (iw_handler) ieee80211_ioctl_siwmode,           /* SIOCSIWMODE */
1261         (iw_handler) ieee80211_ioctl_giwmode,           /* SIOCGIWMODE */
1262         (iw_handler) NULL,                              /* SIOCSIWSENS */
1263         (iw_handler) NULL,                              /* SIOCGIWSENS */
1264         (iw_handler) NULL /* not used */,               /* SIOCSIWRANGE */
1265         (iw_handler) ieee80211_ioctl_giwrange,          /* SIOCGIWRANGE */
1266         (iw_handler) NULL /* not used */,               /* SIOCSIWPRIV */
1267         (iw_handler) NULL /* kernel code */,            /* SIOCGIWPRIV */
1268         (iw_handler) NULL /* not used */,               /* SIOCSIWSTATS */
1269         (iw_handler) NULL /* kernel code */,            /* SIOCGIWSTATS */
1270         iw_handler_set_spy,                             /* SIOCSIWSPY */
1271         iw_handler_get_spy,                             /* SIOCGIWSPY */
1272         iw_handler_set_thrspy,                          /* SIOCSIWTHRSPY */
1273         iw_handler_get_thrspy,                          /* SIOCGIWTHRSPY */
1274         (iw_handler) ieee80211_ioctl_siwap,             /* SIOCSIWAP */
1275         (iw_handler) ieee80211_ioctl_giwap,             /* SIOCGIWAP */
1276         (iw_handler) ieee80211_ioctl_siwmlme,           /* SIOCSIWMLME */
1277         (iw_handler) NULL,                              /* SIOCGIWAPLIST */
1278         (iw_handler) ieee80211_ioctl_siwscan,           /* SIOCSIWSCAN */
1279         (iw_handler) ieee80211_ioctl_giwscan,           /* SIOCGIWSCAN */
1280         (iw_handler) ieee80211_ioctl_siwessid,          /* SIOCSIWESSID */
1281         (iw_handler) ieee80211_ioctl_giwessid,          /* SIOCGIWESSID */
1282         (iw_handler) NULL,                              /* SIOCSIWNICKN */
1283         (iw_handler) NULL,                              /* SIOCGIWNICKN */
1284         (iw_handler) NULL,                              /* -- hole -- */
1285         (iw_handler) NULL,                              /* -- hole -- */
1286         (iw_handler) ieee80211_ioctl_siwrate,           /* SIOCSIWRATE */
1287         (iw_handler) ieee80211_ioctl_giwrate,           /* SIOCGIWRATE */
1288         (iw_handler) ieee80211_ioctl_siwrts,            /* SIOCSIWRTS */
1289         (iw_handler) ieee80211_ioctl_giwrts,            /* SIOCGIWRTS */
1290         (iw_handler) ieee80211_ioctl_siwfrag,           /* SIOCSIWFRAG */
1291         (iw_handler) ieee80211_ioctl_giwfrag,           /* SIOCGIWFRAG */
1292         (iw_handler) NULL,                              /* SIOCSIWTXPOW */
1293         (iw_handler) ieee80211_ioctl_giwtxpower,        /* SIOCGIWTXPOW */
1294         (iw_handler) ieee80211_ioctl_siwretry,          /* SIOCSIWRETRY */
1295         (iw_handler) ieee80211_ioctl_giwretry,          /* SIOCGIWRETRY */
1296         (iw_handler) ieee80211_ioctl_siwencode,         /* SIOCSIWENCODE */
1297         (iw_handler) ieee80211_ioctl_giwencode,         /* SIOCGIWENCODE */
1298         (iw_handler) NULL,                              /* SIOCSIWPOWER */
1299         (iw_handler) NULL,                              /* SIOCGIWPOWER */
1300         (iw_handler) NULL,                              /* -- hole -- */
1301         (iw_handler) NULL,                              /* -- hole -- */
1302         (iw_handler) ieee80211_ioctl_siwgenie,          /* SIOCSIWGENIE */
1303         (iw_handler) NULL,                              /* SIOCGIWGENIE */
1304         (iw_handler) ieee80211_ioctl_siwauth,           /* SIOCSIWAUTH */
1305         (iw_handler) ieee80211_ioctl_giwauth,           /* SIOCGIWAUTH */
1306         (iw_handler) ieee80211_ioctl_siwencodeext,      /* SIOCSIWENCODEEXT */
1307         (iw_handler) NULL,                              /* SIOCGIWENCODEEXT */
1308         (iw_handler) NULL,                              /* SIOCSIWPMKSA */
1309         (iw_handler) NULL,                              /* -- hole -- */
1310 };
1311
1312 static const iw_handler ieee80211_private_handler[] =
1313 {                                                       /* SIOCIWFIRSTPRIV + */
1314         (iw_handler) ieee80211_ioctl_prism2_param,      /* 0 */
1315         (iw_handler) ieee80211_ioctl_get_prism2_param,  /* 1 */
1316 };
1317
1318 const struct iw_handler_def ieee80211_iw_handler_def =
1319 {
1320         .num_standard   = ARRAY_SIZE(ieee80211_handler),
1321         .num_private    = ARRAY_SIZE(ieee80211_private_handler),
1322         .num_private_args = ARRAY_SIZE(ieee80211_ioctl_priv),
1323         .standard       = (iw_handler *) ieee80211_handler,
1324         .private        = (iw_handler *) ieee80211_private_handler,
1325         .private_args   = (struct iw_priv_args *) ieee80211_ioctl_priv,
1326         .get_wireless_stats = ieee80211_get_wireless_stats,
1327 };