git.oblomov.eu Git - linux-2.6/blob - drivers/net/wireless/hostap/hostap_ioctl.c

   1 /* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */
   2
   3 #ifdef in_atomic
   4 /* Get kernel_locked() for in_atomic() */
   5 #include <linux/smp_lock.h>
   6 #endif
   7 #include <linux/ethtool.h>
   8
   9
  10 static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev)
  11 {
  12         struct hostap_interface *iface;
  13         local_info_t *local;
  14         struct iw_statistics *wstats;
  15
  16         iface = netdev_priv(dev);
  17         local = iface->local;
  18
  19         /* Why are we doing that ? Jean II */
  20         if (iface->type != HOSTAP_INTERFACE_MAIN)
  21                 return NULL;
  22
  23         wstats = &local->wstats;
  24
  25         wstats->status = 0;
  26         wstats->discard.code =
  27                 local->comm_tallies.rx_discards_wep_undecryptable;
  28         wstats->discard.misc =
  29                 local->comm_tallies.rx_fcs_errors +
  30                 local->comm_tallies.rx_discards_no_buffer +
  31                 local->comm_tallies.tx_discards_wrong_sa;
  32
  33         wstats->discard.retries =
  34                 local->comm_tallies.tx_retry_limit_exceeded;
  35         wstats->discard.fragment =
  36                 local->comm_tallies.rx_message_in_bad_msg_fragments;
  37
  38         if (local->iw_mode != IW_MODE_MASTER &&
  39             local->iw_mode != IW_MODE_REPEAT) {
  40                 int update = 1;
  41 #ifdef in_atomic
  42                 /* RID reading might sleep and it must not be called in
  43                  * interrupt context or while atomic. However, this
  44                  * function seems to be called while atomic (at least in Linux
  45                  * 2.5.59). Update signal quality values only if in suitable
  46                  * context. Otherwise, previous values read from tick timer
  47                  * will be used. */
  48                 if (in_atomic())
  49                         update = 0;
  50 #endif /* in_atomic */
  51
  52                 if (update && prism2_update_comms_qual(dev) == 0)
  53                         wstats->qual.updated = 7;
  54
  55                 wstats->qual.qual = local->comms_qual;
  56                 wstats->qual.level = local->avg_signal;
  57                 wstats->qual.noise = local->avg_noise;
  58         } else {
  59                 wstats->qual.qual = 0;
  60                 wstats->qual.level = 0;
  61                 wstats->qual.noise = 0;
  62                 wstats->qual.updated = 0;
  63         }
  64
  65         return wstats;
  66 }
  67
  68
  69 static int prism2_get_datarates(struct net_device *dev, u8 *rates)
  70 {
  71         struct hostap_interface *iface;
  72         local_info_t *local;
  73         u8 buf[12];
  74         int len;
  75         u16 val;
  76
  77         iface = netdev_priv(dev);
  78         local = iface->local;
  79
  80         len = local->func->get_rid(dev, HFA384X_RID_SUPPORTEDDATARATES, buf,
  81                                    sizeof(buf), 0);
  82         if (len < 2)
  83                 return 0;
  84
  85         val = le16_to_cpu(*(u16 *) buf); /* string length */
  86
  87         if (len - 2 < val || val > 10)
  88                 return 0;
  89
  90         memcpy(rates, buf + 2, val);
  91         return val;
  92 }
  93
  94
  95 static int prism2_get_name(struct net_device *dev,
  96                            struct iw_request_info *info,
  97                            char *name, char *extra)
  98 {
  99         u8 rates[10];
 100         int len, i, over2 = 0;
 101
 102         len = prism2_get_datarates(dev, rates);
 103
 104         for (i = 0; i < len; i++) {
 105                 if (rates[i] == 0x0b || rates[i] == 0x16) {
 106                         over2 = 1;
 107                         break;
 108                 }
 109         }
 110
 111         strcpy(name, over2 ? "IEEE 802.11b" : "IEEE 802.11-DS");
 112
 113         return 0;
 114 }
 115
 116
 117 static void prism2_crypt_delayed_deinit(local_info_t *local,
 118                                         struct prism2_crypt_data **crypt)
 119 {
 120         struct prism2_crypt_data *tmp;
 121         unsigned long flags;
 122
 123         tmp = *crypt;
 124         *crypt = NULL;
 125
 126         if (tmp == NULL)
 127                 return;
 128
 129         /* must not run ops->deinit() while there may be pending encrypt or
 130          * decrypt operations. Use a list of delayed deinits to avoid needing
 131          * locking. */
 132
 133         spin_lock_irqsave(&local->lock, flags);
 134         list_add(&tmp->list, &local->crypt_deinit_list);
 135         if (!timer_pending(&local->crypt_deinit_timer)) {
 136                 local->crypt_deinit_timer.expires = jiffies + HZ;
 137                 add_timer(&local->crypt_deinit_timer);
 138         }
 139         spin_unlock_irqrestore(&local->lock, flags);
 140 }
 141
 142
 143 static int prism2_ioctl_siwencode(struct net_device *dev,
 144                                   struct iw_request_info *info,
 145                                   struct iw_point *erq, char *keybuf)
 146 {
 147         struct hostap_interface *iface;
 148         local_info_t *local;
 149         int i;
 150         struct prism2_crypt_data **crypt;
 151
 152         iface = netdev_priv(dev);
 153         local = iface->local;
 154
 155         i = erq->flags & IW_ENCODE_INDEX;
 156         if (i < 1 || i > 4)
 157                 i = local->tx_keyidx;
 158         else
 159                 i--;
 160         if (i < 0 || i >= WEP_KEYS)
 161                 return -EINVAL;
 162
 163         crypt = &local->crypt[i];
 164
 165         if (erq->flags & IW_ENCODE_DISABLED) {
 166                 if (*crypt)
 167                         prism2_crypt_delayed_deinit(local, crypt);
 168                 goto done;
 169         }
 170
 171         if (*crypt != NULL && (*crypt)->ops != NULL &&
 172             strcmp((*crypt)->ops->name, "WEP") != 0) {
 173                 /* changing to use WEP; deinit previously used algorithm */
 174                 prism2_crypt_delayed_deinit(local, crypt);
 175         }
 176
 177         if (*crypt == NULL) {
 178                 struct prism2_crypt_data *new_crypt;
 179
 180                 /* take WEP into use */
 181                 new_crypt = (struct prism2_crypt_data *)
 182                         kmalloc(sizeof(struct prism2_crypt_data), GFP_KERNEL);
 183                 if (new_crypt == NULL)
 184                         return -ENOMEM;
 185                 memset(new_crypt, 0, sizeof(struct prism2_crypt_data));
 186                 new_crypt->ops = hostap_get_crypto_ops("WEP");
 187                 if (!new_crypt->ops) {
 188                         request_module("hostap_crypt_wep");
 189                         new_crypt->ops = hostap_get_crypto_ops("WEP");
 190                 }
 191                 if (new_crypt->ops)
 192                         new_crypt->priv = new_crypt->ops->init(i);
 193                 if (!new_crypt->ops || !new_crypt->priv) {
 194                         kfree(new_crypt);
 195                         new_crypt = NULL;
 196
 197                         printk(KERN_WARNING "%s: could not initialize WEP: "
 198                                "load module hostap_crypt_wep.o\n",
 199                                dev->name);
 200                         return -EOPNOTSUPP;
 201                 }
 202                 *crypt = new_crypt;
 203         }
 204
 205         if (erq->length > 0) {
 206                 int len = erq->length <= 5 ? 5 : 13;
 207                 int first = 1, j;
 208                 if (len > erq->length)
 209                         memset(keybuf + erq->length, 0, len - erq->length);
 210                 (*crypt)->ops->set_key(keybuf, len, NULL, (*crypt)->priv);
 211                 for (j = 0; j < WEP_KEYS; j++) {
 212                         if (j != i && local->crypt[j]) {
 213                                 first = 0;
 214                                 break;
 215                         }
 216                 }
 217                 if (first)
 218                         local->tx_keyidx = i;
 219         } else {
 220                 /* No key data - just set the default TX key index */
 221                 local->tx_keyidx = i;
 222         }
 223
 224  done:
 225         local->open_wep = erq->flags & IW_ENCODE_OPEN;
 226
 227         if (hostap_set_encryption(local)) {
 228                 printk(KERN_DEBUG "%s: set_encryption failed\n", dev->name);
 229                 return -EINVAL;
 230         }
 231
 232         /* Do not reset port0 if card is in Managed mode since resetting will
 233          * generate new IEEE 802.11 authentication which may end up in looping
 234          * with IEEE 802.1X. Prism2 documentation seem to require port reset
 235          * after WEP configuration. However, keys are apparently changed at
 236          * least in Managed mode. */
 237         if (local->iw_mode != IW_MODE_INFRA && local->func->reset_port(dev)) {
 238                 printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
 239                 return -EINVAL;
 240         }
 241
 242         return 0;
 243 }
 244
 245
 246 static int prism2_ioctl_giwencode(struct net_device *dev,
 247                                   struct iw_request_info *info,
 248                                   struct iw_point *erq, char *key)
 249 {
 250         struct hostap_interface *iface;
 251         local_info_t *local;
 252         int i, len;
 253         u16 val;
 254         struct prism2_crypt_data *crypt;
 255
 256         iface = netdev_priv(dev);
 257         local = iface->local;
 258
 259         i = erq->flags & IW_ENCODE_INDEX;
 260         if (i < 1 || i > 4)
 261                 i = local->tx_keyidx;
 262         else
 263                 i--;
 264         if (i < 0 || i >= WEP_KEYS)
 265                 return -EINVAL;
 266
 267         crypt = local->crypt[i];
 268         erq->flags = i + 1;
 269
 270         if (crypt == NULL || crypt->ops == NULL) {
 271                 erq->length = 0;
 272                 erq->flags |= IW_ENCODE_DISABLED;
 273                 return 0;
 274         }
 275
 276         if (strcmp(crypt->ops->name, "WEP") != 0) {
 277                 /* only WEP is supported with wireless extensions, so just
 278                  * report that encryption is used */
 279                 erq->length = 0;
 280                 erq->flags |= IW_ENCODE_ENABLED;
 281                 return 0;
 282         }
 283
 284         /* Reads from HFA384X_RID_CNFDEFAULTKEY* return bogus values, so show
 285          * the keys from driver buffer */
 286         len = crypt->ops->get_key(key, WEP_KEY_LEN, NULL, crypt->priv);
 287         erq->length = (len >= 0 ? len : 0);
 288
 289         if (local->func->get_rid(dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, 1) < 0)
 290         {
 291                 printk("CNFWEPFLAGS reading failed\n");
 292                 return -EOPNOTSUPP;
 293         }
 294         le16_to_cpus(&val);
 295         if (val & HFA384X_WEPFLAGS_PRIVACYINVOKED)
 296                 erq->flags |= IW_ENCODE_ENABLED;
 297         else
 298                 erq->flags |= IW_ENCODE_DISABLED;
 299         if (val & HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED)
 300                 erq->flags |= IW_ENCODE_RESTRICTED;
 301         else
 302                 erq->flags |= IW_ENCODE_OPEN;
 303
 304         return 0;
 305 }
 306
 307
 308 static int hostap_set_rate(struct net_device *dev)
 309 {
 310         struct hostap_interface *iface;
 311         local_info_t *local;
 312         int ret, basic_rates;
 313
 314         iface = netdev_priv(dev);
 315         local = iface->local;
 316
 317         basic_rates = local->basic_rates & local->tx_rate_control;
 318         if (!basic_rates || basic_rates != local->basic_rates) {
 319                 printk(KERN_INFO "%s: updating basic rate set automatically "
 320                        "to match with the new supported rate set\n",
 321                        dev->name);
 322                 if (!basic_rates)
 323                         basic_rates = local->tx_rate_control;
 324
 325                 local->basic_rates = basic_rates;
 326                 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
 327                                     basic_rates))
 328                         printk(KERN_WARNING "%s: failed to set "
 329                                "cnfBasicRates\n", dev->name);
 330         }
 331
 332         ret = (hostap_set_word(dev, HFA384X_RID_TXRATECONTROL,
 333                                local->tx_rate_control) ||
 334                hostap_set_word(dev, HFA384X_RID_CNFSUPPORTEDRATES,
 335                                local->tx_rate_control) ||
 336                local->func->reset_port(dev));
 337
 338         if (ret) {
 339                 printk(KERN_WARNING "%s: TXRateControl/cnfSupportedRates "
 340                        "setting to 0x%x failed\n",
 341                        dev->name, local->tx_rate_control);
 342         }
 343
 344         /* Update TX rate configuration for all STAs based on new operational
 345          * rate set. */
 346         hostap_update_rates(local);
 347
 348         return ret;
 349 }
 350
 351
 352 static int prism2_ioctl_siwrate(struct net_device *dev,
 353                                 struct iw_request_info *info,
 354                                 struct iw_param *rrq, char *extra)
 355 {
 356         struct hostap_interface *iface;
 357         local_info_t *local;
 358
 359         iface = netdev_priv(dev);
 360         local = iface->local;
 361
 362         if (rrq->fixed) {
 363                 switch (rrq->value) {
 364                 case 11000000:
 365                         local->tx_rate_control = HFA384X_RATES_11MBPS;
 366                         break;
 367                 case 5500000:
 368                         local->tx_rate_control = HFA384X_RATES_5MBPS;
 369                         break;
 370                 case 2000000:
 371                         local->tx_rate_control = HFA384X_RATES_2MBPS;
 372                         break;
 373                 case 1000000:
 374                         local->tx_rate_control = HFA384X_RATES_1MBPS;
 375                         break;
 376                 default:
 377                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 378                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
 379                                 HFA384X_RATES_11MBPS;
 380                         break;
 381                 }
 382         } else {
 383                 switch (rrq->value) {
 384                 case 11000000:
 385                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 386                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
 387                                 HFA384X_RATES_11MBPS;
 388                         break;
 389                 case 5500000:
 390                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 391                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS;
 392                         break;
 393                 case 2000000:
 394                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 395                                 HFA384X_RATES_2MBPS;
 396                         break;
 397                 case 1000000:
 398                         local->tx_rate_control = HFA384X_RATES_1MBPS;
 399                         break;
 400                 default:
 401                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 402                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
 403                                 HFA384X_RATES_11MBPS;
 404                         break;
 405                 }
 406         }
 407
 408         return hostap_set_rate(dev);
 409 }
 410
 411
 412 static int prism2_ioctl_giwrate(struct net_device *dev,
 413                                 struct iw_request_info *info,
 414                                 struct iw_param *rrq, char *extra)
 415 {
 416         u16 val;
 417         struct hostap_interface *iface;
 418         local_info_t *local;
 419         int ret = 0;
 420
 421         iface = netdev_priv(dev);
 422         local = iface->local;
 423
 424         if (local->func->get_rid(dev, HFA384X_RID_TXRATECONTROL, &val, 2, 1) <
 425             0)
 426                 return -EINVAL;
 427
 428         if ((val & 0x1) && (val > 1))
 429                 rrq->fixed = 0;
 430         else
 431                 rrq->fixed = 1;
 432
 433         if (local->iw_mode == IW_MODE_MASTER && local->ap != NULL &&
 434             !local->fw_tx_rate_control) {
 435                 /* HFA384X_RID_CURRENTTXRATE seems to always be 2 Mbps in
 436                  * Host AP mode, so use the recorded TX rate of the last sent
 437                  * frame */
 438                 rrq->value = local->ap->last_tx_rate > 0 ?
 439                         local->ap->last_tx_rate * 100000 : 11000000;
 440                 return 0;
 441         }
 442
 443         if (local->func->get_rid(dev, HFA384X_RID_CURRENTTXRATE, &val, 2, 1) <
 444             0)
 445                 return -EINVAL;
 446
 447         switch (val) {
 448         case HFA384X_RATES_1MBPS:
 449                 rrq->value = 1000000;
 450                 break;
 451         case HFA384X_RATES_2MBPS:
 452                 rrq->value = 2000000;
 453                 break;
 454         case HFA384X_RATES_5MBPS:
 455                 rrq->value = 5500000;
 456                 break;
 457         case HFA384X_RATES_11MBPS:
 458                 rrq->value = 11000000;
 459                 break;
 460         default:
 461                 /* should not happen */
 462                 rrq->value = 11000000;
 463                 ret = -EINVAL;
 464                 break;
 465         }
 466
 467         return ret;
 468 }
 469
 470
 471 static int prism2_ioctl_siwsens(struct net_device *dev,
 472                                 struct iw_request_info *info,
 473                                 struct iw_param *sens, char *extra)
 474 {
 475         struct hostap_interface *iface;
 476         local_info_t *local;
 477
 478         iface = netdev_priv(dev);
 479         local = iface->local;
 480
 481         /* Set the desired AP density */
 482         if (sens->value < 1 || sens->value > 3)
 483                 return -EINVAL;
 484
 485         if (hostap_set_word(dev, HFA384X_RID_CNFSYSTEMSCALE, sens->value) ||
 486             local->func->reset_port(dev))
 487                 return -EINVAL;
 488
 489         return 0;
 490 }
 491
 492 static int prism2_ioctl_giwsens(struct net_device *dev,
 493                                 struct iw_request_info *info,
 494                                 struct iw_param *sens, char *extra)
 495 {
 496         struct hostap_interface *iface;
 497         local_info_t *local;
 498         u16 val;
 499
 500         iface = netdev_priv(dev);
 501         local = iface->local;
 502
 503         /* Get the current AP density */
 504         if (local->func->get_rid(dev, HFA384X_RID_CNFSYSTEMSCALE, &val, 2, 1) <
 505             0)
 506                 return -EINVAL;
 507
 508         sens->value = __le16_to_cpu(val);
 509         sens->fixed = 1;
 510
 511         return 0;
 512 }
 513
 514
 515 /* Deprecated in new wireless extension API */
 516 static int prism2_ioctl_giwaplist(struct net_device *dev,
 517                                   struct iw_request_info *info,
 518                                   struct iw_point *data, char *extra)
 519 {
 520         struct hostap_interface *iface;
 521         local_info_t *local;
 522         struct sockaddr *addr;
 523         struct iw_quality *qual;
 524
 525         iface = netdev_priv(dev);
 526         local = iface->local;
 527
 528         if (local->iw_mode != IW_MODE_MASTER) {
 529                 printk(KERN_DEBUG "SIOCGIWAPLIST is currently only supported "
 530                        "in Host AP mode\n");
 531                 data->length = 0;
 532                 return -EOPNOTSUPP;
 533         }
 534
 535         addr = kmalloc(sizeof(struct sockaddr) * IW_MAX_AP, GFP_KERNEL);
 536         qual = kmalloc(sizeof(struct iw_quality) * IW_MAX_AP, GFP_KERNEL);
 537         if (addr == NULL || qual == NULL) {
 538                 kfree(addr);
 539                 kfree(qual);
 540                 data->length = 0;
 541                 return -ENOMEM;
 542         }
 543
 544         data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1);
 545
 546         memcpy(extra, &addr, sizeof(struct sockaddr) * data->length);
 547         data->flags = 1; /* has quality information */
 548         memcpy(extra + sizeof(struct sockaddr) * data->length, &qual,
 549                sizeof(struct iw_quality) * data->length);
 550
 551         kfree(addr);
 552         kfree(qual);
 553
 554         return 0;
 555 }
 556
 557
 558 static int prism2_ioctl_siwrts(struct net_device *dev,
 559                                struct iw_request_info *info,
 560                                struct iw_param *rts, char *extra)
 561 {
 562         struct hostap_interface *iface;
 563         local_info_t *local;
 564         u16 val;
 565
 566         iface = netdev_priv(dev);
 567         local = iface->local;
 568
 569         if (rts->disabled)
 570                 val = __constant_cpu_to_le16(2347);
 571         else if (rts->value < 0 || rts->value > 2347)
 572                 return -EINVAL;
 573         else
 574                 val = __cpu_to_le16(rts->value);
 575
 576         if (local->func->set_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2) ||
 577             local->func->reset_port(dev))
 578                 return -EINVAL;
 579
 580         local->rts_threshold = rts->value;
 581
 582         return 0;
 583 }
 584
 585 static int prism2_ioctl_giwrts(struct net_device *dev,
 586                                struct iw_request_info *info,
 587                                struct iw_param *rts, char *extra)
 588 {
 589         struct hostap_interface *iface;
 590         local_info_t *local;
 591         u16 val;
 592
 593         iface = netdev_priv(dev);
 594         local = iface->local;
 595
 596         if (local->func->get_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2, 1) <
 597             0)
 598                 return -EINVAL;
 599
 600         rts->value = __le16_to_cpu(val);
 601         rts->disabled = (rts->value == 2347);
 602         rts->fixed = 1;
 603
 604         return 0;
 605 }
 606
 607
 608 static int prism2_ioctl_siwfrag(struct net_device *dev,
 609                                 struct iw_request_info *info,
 610                                 struct iw_param *rts, char *extra)
 611 {
 612         struct hostap_interface *iface;
 613         local_info_t *local;
 614         u16 val;
 615
 616         iface = netdev_priv(dev);
 617         local = iface->local;
 618
 619         if (rts->disabled)
 620                 val = __constant_cpu_to_le16(2346);
 621         else if (rts->value < 256 || rts->value > 2346)
 622                 return -EINVAL;
 623         else
 624                 val = __cpu_to_le16(rts->value & ~0x1); /* even numbers only */
 625
 626         local->fragm_threshold = rts->value & ~0x1;
 627         if (local->func->set_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, &val,
 628                                  2)
 629             || local->func->reset_port(dev))
 630                 return -EINVAL;
 631
 632         return 0;
 633 }
 634
 635 static int prism2_ioctl_giwfrag(struct net_device *dev,
 636                                 struct iw_request_info *info,
 637                                 struct iw_param *rts, char *extra)
 638 {
 639         struct hostap_interface *iface;
 640         local_info_t *local;
 641         u16 val;
 642
 643         iface = netdev_priv(dev);
 644         local = iface->local;
 645
 646         if (local->func->get_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD,
 647                                  &val, 2, 1) < 0)
 648                 return -EINVAL;
 649
 650         rts->value = __le16_to_cpu(val);
 651         rts->disabled = (rts->value == 2346);
 652         rts->fixed = 1;
 653
 654         return 0;
 655 }
 656
 657
 658 #ifndef PRISM2_NO_STATION_MODES
 659 static int hostap_join_ap(struct net_device *dev)
 660 {
 661         struct hostap_interface *iface;
 662         local_info_t *local;
 663         struct hfa384x_join_request req;
 664         unsigned long flags;
 665         int i;
 666         struct hfa384x_hostscan_result *entry;
 667
 668         iface = netdev_priv(dev);
 669         local = iface->local;
 670
 671         memcpy(req.bssid, local->preferred_ap, ETH_ALEN);
 672         req.channel = 0;
 673
 674         spin_lock_irqsave(&local->lock, flags);
 675         for (i = 0; i < local->last_scan_results_count; i++) {
 676                 if (!local->last_scan_results)
 677                         break;
 678                 entry = &local->last_scan_results[i];
 679                 if (memcmp(local->preferred_ap, entry->bssid, ETH_ALEN) == 0) {
 680                         req.channel = entry->chid;
 681                         break;
 682                 }
 683         }
 684         spin_unlock_irqrestore(&local->lock, flags);
 685
 686         if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req,
 687                                  sizeof(req))) {
 688                 printk(KERN_DEBUG "%s: JoinRequest " MACSTR
 689                        " failed\n",
 690                        dev->name, MAC2STR(local->preferred_ap));
 691                 return -1;
 692         }
 693
 694         printk(KERN_DEBUG "%s: Trying to join BSSID " MACSTR "\n",
 695                dev->name, MAC2STR(local->preferred_ap));
 696
 697         return 0;
 698 }
 699 #endif /* PRISM2_NO_STATION_MODES */
 700
 701
 702 static int prism2_ioctl_siwap(struct net_device *dev,
 703                               struct iw_request_info *info,
 704                               struct sockaddr *ap_addr, char *extra)
 705 {
 706 #ifdef PRISM2_NO_STATION_MODES
 707         return -EOPNOTSUPP;
 708 #else /* PRISM2_NO_STATION_MODES */
 709         struct hostap_interface *iface;
 710         local_info_t *local;
 711
 712         iface = netdev_priv(dev);
 713         local = iface->local;
 714
 715         memcpy(local->preferred_ap, &ap_addr->sa_data, ETH_ALEN);
 716
 717         if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) {
 718                 struct hfa384x_scan_request scan_req;
 719                 memset(&scan_req, 0, sizeof(scan_req));
 720                 scan_req.channel_list = __constant_cpu_to_le16(0x3fff);
 721                 scan_req.txrate = __constant_cpu_to_le16(HFA384X_RATES_1MBPS);
 722                 if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST,
 723                                          &scan_req, sizeof(scan_req))) {
 724                         printk(KERN_DEBUG "%s: ScanResults request failed - "
 725                                "preferred AP delayed to next unsolicited "
 726                                "scan\n", dev->name);
 727                 }
 728         } else if (local->host_roaming == 2 &&
 729                    local->iw_mode == IW_MODE_INFRA) {
 730                 if (hostap_join_ap(dev))
 731                         return -EINVAL;
 732         } else {
 733                 printk(KERN_DEBUG "%s: Preferred AP (SIOCSIWAP) is used only "
 734                        "in Managed mode when host_roaming is enabled\n",
 735                        dev->name);
 736         }
 737
 738         return 0;
 739 #endif /* PRISM2_NO_STATION_MODES */
 740 }
 741
 742 static int prism2_ioctl_giwap(struct net_device *dev,
 743                               struct iw_request_info *info,
 744                               struct sockaddr *ap_addr, char *extra)
 745 {
 746         struct hostap_interface *iface;
 747         local_info_t *local;
 748
 749         iface = netdev_priv(dev);
 750         local = iface->local;
 751
 752         ap_addr->sa_family = ARPHRD_ETHER;
 753         switch (iface->type) {
 754         case HOSTAP_INTERFACE_AP:
 755                 memcpy(&ap_addr->sa_data, dev->dev_addr, ETH_ALEN);
 756                 break;
 757         case HOSTAP_INTERFACE_STA:
 758                 memcpy(&ap_addr->sa_data, local->assoc_ap_addr, ETH_ALEN);
 759                 break;
 760         case HOSTAP_INTERFACE_WDS:
 761                 memcpy(&ap_addr->sa_data, iface->u.wds.remote_addr, ETH_ALEN);
 762                 break;
 763         default:
 764                 if (local->func->get_rid(dev, HFA384X_RID_CURRENTBSSID,
 765                                          &ap_addr->sa_data, ETH_ALEN, 1) < 0)
 766                         return -EOPNOTSUPP;
 767
 768                 /* local->bssid is also updated in LinkStatus handler when in
 769                  * station mode */
 770                 memcpy(local->bssid, &ap_addr->sa_data, ETH_ALEN);
 771                 break;
 772         }
 773
 774         return 0;
 775 }
 776
 777
 778 static int prism2_ioctl_siwnickn(struct net_device *dev,
 779                                  struct iw_request_info *info,
 780                                  struct iw_point *data, char *nickname)
 781 {
 782         struct hostap_interface *iface;
 783         local_info_t *local;
 784
 785         iface = netdev_priv(dev);
 786         local = iface->local;
 787
 788         memset(local->name, 0, sizeof(local->name));
 789         memcpy(local->name, nickname, data->length);
 790         local->name_set = 1;
 791
 792         if (hostap_set_string(dev, HFA384X_RID_CNFOWNNAME, local->name) ||
 793             local->func->reset_port(dev))
 794                 return -EINVAL;
 795
 796         return 0;
 797 }
 798
 799 static int prism2_ioctl_giwnickn(struct net_device *dev,
 800                                  struct iw_request_info *info,
 801                                  struct iw_point *data, char *nickname)
 802 {
 803         struct hostap_interface *iface;
 804         local_info_t *local;
 805         int len;
 806         char name[MAX_NAME_LEN + 3];
 807         u16 val;
 808
 809         iface = netdev_priv(dev);
 810         local = iface->local;
 811
 812         len = local->func->get_rid(dev, HFA384X_RID_CNFOWNNAME,
 813                                    &name, MAX_NAME_LEN + 2, 0);
 814         val = __le16_to_cpu(*(u16 *) name);
 815         if (len > MAX_NAME_LEN + 2 || len < 0 || val > MAX_NAME_LEN)
 816                 return -EOPNOTSUPP;
 817
 818         name[val + 2] = '\0';
 819         data->length = val + 1;
 820         memcpy(nickname, name + 2, val + 1);
 821
 822         return 0;
 823 }
 824
 825
 826 static int prism2_ioctl_siwfreq(struct net_device *dev,
 827                                 struct iw_request_info *info,
 828                                 struct iw_freq *freq, char *extra)
 829 {
 830         struct hostap_interface *iface;
 831         local_info_t *local;
 832
 833         iface = netdev_priv(dev);
 834         local = iface->local;
 835
 836         /* freq => chan. */
 837         if (freq->e == 1 &&
 838             freq->m / 100000 >= freq_list[0] &&
 839             freq->m / 100000 <= freq_list[FREQ_COUNT - 1]) {
 840                 int ch;
 841                 int fr = freq->m / 100000;
 842                 for (ch = 0; ch < FREQ_COUNT; ch++) {
 843                         if (fr == freq_list[ch]) {
 844                                 freq->e = 0;
 845                                 freq->m = ch + 1;
 846                                 break;
 847                         }
 848                 }
 849         }
 850
 851         if (freq->e != 0 || freq->m < 1 || freq->m > FREQ_COUNT ||
 852             !(local->channel_mask & (1 << (freq->m - 1))))
 853                 return -EINVAL;
 854
 855         local->channel = freq->m; /* channel is used in prism2_setup_rids() */
 856         if (hostap_set_word(dev, HFA384X_RID_CNFOWNCHANNEL, local->channel) ||
 857             local->func->reset_port(dev))
 858                 return -EINVAL;
 859
 860         return 0;
 861 }
 862
 863 static int prism2_ioctl_giwfreq(struct net_device *dev,
 864                                 struct iw_request_info *info,
 865                                 struct iw_freq *freq, char *extra)
 866 {
 867         struct hostap_interface *iface;
 868         local_info_t *local;
 869         u16 val;
 870
 871         iface = netdev_priv(dev);
 872         local = iface->local;
 873
 874         if (local->func->get_rid(dev, HFA384X_RID_CURRENTCHANNEL, &val, 2, 1) <
 875             0)
 876                 return -EINVAL;
 877
 878         le16_to_cpus(&val);
 879         if (val < 1 || val > FREQ_COUNT)
 880                 return -EINVAL;
 881
 882         freq->m = freq_list[val - 1] * 100000;
 883         freq->e = 1;
 884
 885         return 0;
 886 }
 887
 888
 889 static void hostap_monitor_set_type(local_info_t *local)
 890 {
 891         struct net_device *dev = local->ddev;
 892
 893         if (dev == NULL)
 894                 return;
 895
 896         if (local->monitor_type == PRISM2_MONITOR_PRISM ||
 897             local->monitor_type == PRISM2_MONITOR_CAPHDR) {
 898                 dev->type = ARPHRD_IEEE80211_PRISM;
 899                 dev->hard_header_parse =
 900                         hostap_80211_prism_header_parse;
 901         } else {
 902                 dev->type = ARPHRD_IEEE80211;
 903                 dev->hard_header_parse = hostap_80211_header_parse;
 904         }
 905 }
 906
 907
 908 static int prism2_ioctl_siwessid(struct net_device *dev,
 909                                  struct iw_request_info *info,
 910                                  struct iw_point *data, char *ssid)
 911 {
 912         struct hostap_interface *iface;
 913         local_info_t *local;
 914
 915         iface = netdev_priv(dev);
 916         local = iface->local;
 917
 918         if (iface->type == HOSTAP_INTERFACE_WDS)
 919                 return -EOPNOTSUPP;
 920
 921         if (data->flags == 0)
 922                 ssid[0] = '\0'; /* ANY */
 923
 924         if (local->iw_mode == IW_MODE_MASTER && ssid[0] == '\0') {
 925                 /* Setting SSID to empty string seems to kill the card in
 926                  * Host AP mode */
 927                 printk(KERN_DEBUG "%s: Host AP mode does not support "
 928                        "'Any' essid\n", dev->name);
 929                 return -EINVAL;
 930         }
 931
 932         memcpy(local->essid, ssid, data->length);
 933         local->essid[data->length] = '\0';
 934
 935         if ((!local->fw_ap &&
 936              hostap_set_string(dev, HFA384X_RID_CNFDESIREDSSID, local->essid))
 937             || hostap_set_string(dev, HFA384X_RID_CNFOWNSSID, local->essid) ||
 938             local->func->reset_port(dev))
 939                 return -EINVAL;
 940
 941         return 0;
 942 }
 943
 944 static int prism2_ioctl_giwessid(struct net_device *dev,
 945                                  struct iw_request_info *info,
 946                                  struct iw_point *data, char *essid)
 947 {
 948         struct hostap_interface *iface;
 949         local_info_t *local;
 950         u16 val;
 951
 952         iface = netdev_priv(dev);
 953         local = iface->local;
 954
 955         if (iface->type == HOSTAP_INTERFACE_WDS)
 956                 return -EOPNOTSUPP;
 957
 958         data->flags = 1; /* active */
 959         if (local->iw_mode == IW_MODE_MASTER) {
 960                 data->length = strlen(local->essid);
 961                 memcpy(essid, local->essid, IW_ESSID_MAX_SIZE);
 962         } else {
 963                 int len;
 964                 char ssid[MAX_SSID_LEN + 2];
 965                 memset(ssid, 0, sizeof(ssid));
 966                 len = local->func->get_rid(dev, HFA384X_RID_CURRENTSSID,
 967                                            &ssid, MAX_SSID_LEN + 2, 0);
 968                 val = __le16_to_cpu(*(u16 *) ssid);
 969                 if (len > MAX_SSID_LEN + 2 || len < 0 || val > MAX_SSID_LEN) {
 970                         return -EOPNOTSUPP;
 971                 }
 972                 data->length = val;
 973                 memcpy(essid, ssid + 2, IW_ESSID_MAX_SIZE);
 974         }
 975
 976         return 0;
 977 }
 978
 979
 980 static int prism2_ioctl_giwrange(struct net_device *dev,
 981                                  struct iw_request_info *info,
 982                                  struct iw_point *data, char *extra)
 983 {
 984         struct hostap_interface *iface;
 985         local_info_t *local;
 986         struct iw_range *range = (struct iw_range *) extra;
 987         u8 rates[10];
 988         u16 val;
 989         int i, len, over2;
 990
 991         iface = netdev_priv(dev);
 992         local = iface->local;
 993
 994         data->length = sizeof(struct iw_range);
 995         memset(range, 0, sizeof(struct iw_range));
 996
 997         /* TODO: could fill num_txpower and txpower array with
 998          * something; however, there are 128 different values.. */
 999
1000         range->txpower_capa = IW_TXPOW_DBM;
1001
1002         if (local->iw_mode == IW_MODE_INFRA || local->iw_mode == IW_MODE_ADHOC)
1003         {
1004                 range->min_pmp = 1 * 1024;
1005                 range->max_pmp = 65535 * 1024;
1006                 range->min_pmt = 1 * 1024;
1007                 range->max_pmt = 1000 * 1024;
1008                 range->pmp_flags = IW_POWER_PERIOD;
1009                 range->pmt_flags = IW_POWER_TIMEOUT;
1010                 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT |
1011                         IW_POWER_UNICAST_R | IW_POWER_ALL_R;
1012         }
1013
1014         range->we_version_compiled = WIRELESS_EXT;
1015         range->we_version_source = 18;
1016
1017         range->retry_capa = IW_RETRY_LIMIT;
1018         range->retry_flags = IW_RETRY_LIMIT;
1019         range->min_retry = 0;
1020         range->max_retry = 255;
1021
1022         range->num_channels = FREQ_COUNT;
1023
1024         val = 0;
1025         for (i = 0; i < FREQ_COUNT; i++) {
1026                 if (local->channel_mask & (1 << i)) {
1027                         range->freq[val].i = i + 1;
1028                         range->freq[val].m = freq_list[i] * 100000;
1029                         range->freq[val].e = 1;
1030                         val++;
1031                 }
1032                 if (val == IW_MAX_FREQUENCIES)
1033                         break;
1034         }
1035         range->num_frequency = val;
1036
1037         if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) {
1038                 range->max_qual.qual = 70; /* what is correct max? This was not
1039                                             * documented exactly. At least
1040                                             * 69 has been observed. */
1041                 range->max_qual.level = 0; /* dB */
1042                 range->max_qual.noise = 0; /* dB */
1043
1044                 /* What would be suitable values for "average/typical" qual? */
1045                 range->avg_qual.qual = 20;
1046                 range->avg_qual.level = -60;
1047                 range->avg_qual.noise = -95;
1048         } else {
1049                 range->max_qual.qual = 92; /* 0 .. 92 */
1050                 range->max_qual.level = 154; /* 27 .. 154 */
1051                 range->max_qual.noise = 154; /* 27 .. 154 */
1052         }
1053         range->sensitivity = 3;
1054
1055         range->max_encoding_tokens = WEP_KEYS;
1056         range->num_encoding_sizes = 2;
1057         range->encoding_size[0] = 5;
1058         range->encoding_size[1] = 13;
1059
1060         over2 = 0;
1061         len = prism2_get_datarates(dev, rates);
1062         range->num_bitrates = 0;
1063         for (i = 0; i < len; i++) {
1064                 if (range->num_bitrates < IW_MAX_BITRATES) {
1065                         range->bitrate[range->num_bitrates] =
1066                                 rates[i] * 500000;
1067                         range->num_bitrates++;
1068                 }
1069                 if (rates[i] == 0x0b || rates[i] == 0x16)
1070                         over2 = 1;
1071         }
1072         /* estimated maximum TCP throughput values (bps) */
1073         range->throughput = over2 ? 5500000 : 1500000;
1074
1075         range->min_rts = 0;
1076         range->max_rts = 2347;
1077         range->min_frag = 256;
1078         range->max_frag = 2346;
1079
1080         /* Event capability (kernel + driver) */
1081         range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
1082                                 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
1083                                 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
1084                                 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
1085         range->event_capa[1] = IW_EVENT_CAPA_K_1;
1086         range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVTXDROP) |
1087                                 IW_EVENT_CAPA_MASK(IWEVCUSTOM) |
1088                                 IW_EVENT_CAPA_MASK(IWEVREGISTERED) |
1089                                 IW_EVENT_CAPA_MASK(IWEVEXPIRED));
1090
1091         range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
1092                 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
1093
1094         return 0;
1095 }
1096
1097
1098 static int hostap_monitor_mode_enable(local_info_t *local)
1099 {
1100         struct net_device *dev = local->dev;
1101
1102         printk(KERN_DEBUG "Enabling monitor mode\n");
1103         hostap_monitor_set_type(local);
1104
1105         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1106                             HFA384X_PORTTYPE_PSEUDO_IBSS)) {
1107                 printk(KERN_DEBUG "Port type setting for monitor mode "
1108                        "failed\n");
1109                 return -EOPNOTSUPP;
1110         }
1111
1112         /* Host decrypt is needed to get the IV and ICV fields;
1113          * however, monitor mode seems to remove WEP flag from frame
1114          * control field */
1115         if (hostap_set_word(dev, HFA384X_RID_CNFWEPFLAGS,
1116                             HFA384X_WEPFLAGS_HOSTENCRYPT |
1117                             HFA384X_WEPFLAGS_HOSTDECRYPT)) {
1118                 printk(KERN_DEBUG "WEP flags setting failed\n");
1119                 return -EOPNOTSUPP;
1120         }
1121
1122         if (local->func->reset_port(dev) ||
1123             local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1124                              (HFA384X_TEST_MONITOR << 8),
1125                              0, NULL, NULL)) {
1126                 printk(KERN_DEBUG "Setting monitor mode failed\n");
1127                 return -EOPNOTSUPP;
1128         }
1129
1130         return 0;
1131 }
1132
1133
1134 static int hostap_monitor_mode_disable(local_info_t *local)
1135 {
1136         struct net_device *dev = local->ddev;
1137
1138         if (dev == NULL)
1139                 return -1;
1140
1141         printk(KERN_DEBUG "%s: Disabling monitor mode\n", dev->name);
1142         dev->type = ARPHRD_ETHER;
1143         dev->hard_header_parse = local->saved_eth_header_parse;
1144         if (local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1145                              (HFA384X_TEST_STOP << 8),
1146                              0, NULL, NULL))
1147                 return -1;
1148         return hostap_set_encryption(local);
1149 }
1150
1151
1152 static int prism2_ioctl_siwmode(struct net_device *dev,
1153                                 struct iw_request_info *info,
1154                                 __u32 *mode, char *extra)
1155 {
1156         struct hostap_interface *iface;
1157         local_info_t *local;
1158         int double_reset = 0;
1159
1160         iface = netdev_priv(dev);
1161         local = iface->local;
1162
1163         if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA &&
1164             *mode != IW_MODE_MASTER && *mode != IW_MODE_REPEAT &&
1165             *mode != IW_MODE_MONITOR)
1166                 return -EOPNOTSUPP;
1167
1168 #ifdef PRISM2_NO_STATION_MODES
1169         if (*mode == IW_MODE_ADHOC || *mode == IW_MODE_INFRA)
1170                 return -EOPNOTSUPP;
1171 #endif /* PRISM2_NO_STATION_MODES */
1172
1173         if (*mode == local->iw_mode)
1174                 return 0;
1175
1176         if (*mode == IW_MODE_MASTER && local->essid[0] == '\0') {
1177                 printk(KERN_WARNING "%s: empty SSID not allowed in Master "
1178                        "mode\n", dev->name);
1179                 return -EINVAL;
1180         }
1181
1182         if (local->iw_mode == IW_MODE_MONITOR)
1183                 hostap_monitor_mode_disable(local);
1184
1185         if ((local->iw_mode == IW_MODE_ADHOC ||
1186              local->iw_mode == IW_MODE_MONITOR) && *mode == IW_MODE_MASTER) {
1187                 /* There seems to be a firmware bug in at least STA f/w v1.5.6
1188                  * that leaves beacon frames to use IBSS type when moving from
1189                  * IBSS to Host AP mode. Doing double Port0 reset seems to be
1190                  * enough to workaround this. */
1191                 double_reset = 1;
1192         }
1193
1194         printk(KERN_DEBUG "prism2: %s: operating mode changed "
1195                "%d -> %d\n", dev->name, local->iw_mode, *mode);
1196         local->iw_mode = *mode;
1197
1198         if (local->iw_mode == IW_MODE_MONITOR)
1199                 hostap_monitor_mode_enable(local);
1200         else if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt &&
1201                  !local->fw_encrypt_ok) {
1202                 printk(KERN_DEBUG "%s: defaulting to host-based encryption as "
1203                        "a workaround for firmware bug in Host AP mode WEP\n",
1204                        dev->name);
1205                 local->host_encrypt = 1;
1206         }
1207
1208         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1209                             hostap_get_porttype(local)))
1210                 return -EOPNOTSUPP;
1211
1212         if (local->func->reset_port(dev))
1213                 return -EINVAL;
1214         if (double_reset && local->func->reset_port(dev))
1215                 return -EINVAL;
1216
1217         if (local->iw_mode != IW_MODE_INFRA && local->iw_mode != IW_MODE_ADHOC)
1218         {
1219                 /* netif_carrier is used only in client modes for now, so make
1220                  * sure carrier is on when moving to non-client modes. */
1221                 netif_carrier_on(local->dev);
1222                 netif_carrier_on(local->ddev);
1223         }
1224         return 0;
1225 }
1226
1227
1228 static int prism2_ioctl_giwmode(struct net_device *dev,
1229                                 struct iw_request_info *info,
1230                                 __u32 *mode, char *extra)
1231 {
1232         struct hostap_interface *iface;
1233         local_info_t *local;
1234
1235         iface = netdev_priv(dev);
1236         local = iface->local;
1237
1238         switch (iface->type) {
1239         case HOSTAP_INTERFACE_STA:
1240                 *mode = IW_MODE_INFRA;
1241                 break;
1242         case HOSTAP_INTERFACE_WDS:
1243                 *mode = IW_MODE_REPEAT;
1244                 break;
1245         default:
1246                 *mode = local->iw_mode;
1247                 break;
1248         }
1249         return 0;
1250 }
1251
1252
1253 static int prism2_ioctl_siwpower(struct net_device *dev,
1254                                  struct iw_request_info *info,
1255                                  struct iw_param *wrq, char *extra)
1256 {
1257 #ifdef PRISM2_NO_STATION_MODES
1258         return -EOPNOTSUPP;
1259 #else /* PRISM2_NO_STATION_MODES */
1260         int ret = 0;
1261
1262         if (wrq->disabled)
1263                 return hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 0);
1264
1265         switch (wrq->flags & IW_POWER_MODE) {
1266         case IW_POWER_UNICAST_R:
1267                 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 0);
1268                 if (ret)
1269                         return ret;
1270                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1271                 if (ret)
1272                         return ret;
1273                 break;
1274         case IW_POWER_ALL_R:
1275                 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 1);
1276                 if (ret)
1277                         return ret;
1278                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1279                 if (ret)
1280                         return ret;
1281                 break;
1282         case IW_POWER_ON:
1283                 break;
1284         default:
1285                 return -EINVAL;
1286         }
1287
1288         if (wrq->flags & IW_POWER_TIMEOUT) {
1289                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1290                 if (ret)
1291                         return ret;
1292                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMHOLDOVERDURATION,
1293                                       wrq->value / 1024);
1294                 if (ret)
1295                         return ret;
1296         }
1297         if (wrq->flags & IW_POWER_PERIOD) {
1298                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1299                 if (ret)
1300                         return ret;
1301                 ret = hostap_set_word(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1302                                       wrq->value / 1024);
1303                 if (ret)
1304                         return ret;
1305         }
1306
1307         return ret;
1308 #endif /* PRISM2_NO_STATION_MODES */
1309 }
1310
1311
1312 static int prism2_ioctl_giwpower(struct net_device *dev,
1313                                  struct iw_request_info *info,
1314                                  struct iw_param *rrq, char *extra)
1315 {
1316 #ifdef PRISM2_NO_STATION_MODES
1317         return -EOPNOTSUPP;
1318 #else /* PRISM2_NO_STATION_MODES */
1319         struct hostap_interface *iface;
1320         local_info_t *local;
1321         u16 enable, mcast;
1322
1323         iface = netdev_priv(dev);
1324         local = iface->local;
1325
1326         if (local->func->get_rid(dev, HFA384X_RID_CNFPMENABLED, &enable, 2, 1)
1327             < 0)
1328                 return -EINVAL;
1329
1330         if (!__le16_to_cpu(enable)) {
1331                 rrq->disabled = 1;
1332                 return 0;
1333         }
1334
1335         rrq->disabled = 0;
1336
1337         if ((rrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
1338                 u16 timeout;
1339                 if (local->func->get_rid(dev,
1340                                          HFA384X_RID_CNFPMHOLDOVERDURATION,
1341                                          &timeout, 2, 1) < 0)
1342                         return -EINVAL;
1343
1344                 rrq->flags = IW_POWER_TIMEOUT;
1345                 rrq->value = __le16_to_cpu(timeout) * 1024;
1346         } else {
1347                 u16 period;
1348                 if (local->func->get_rid(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1349                                          &period, 2, 1) < 0)
1350                         return -EINVAL;
1351
1352                 rrq->flags = IW_POWER_PERIOD;
1353                 rrq->value = __le16_to_cpu(period) * 1024;
1354         }
1355
1356         if (local->func->get_rid(dev, HFA384X_RID_CNFMULTICASTRECEIVE, &mcast,
1357                                  2, 1) < 0)
1358                 return -EINVAL;
1359
1360         if (__le16_to_cpu(mcast))
1361                 rrq->flags |= IW_POWER_ALL_R;
1362         else
1363                 rrq->flags |= IW_POWER_UNICAST_R;
1364
1365         return 0;
1366 #endif /* PRISM2_NO_STATION_MODES */
1367 }
1368
1369
1370 static int prism2_ioctl_siwretry(struct net_device *dev,
1371                                  struct iw_request_info *info,
1372                                  struct iw_param *rrq, char *extra)
1373 {
1374         struct hostap_interface *iface;
1375         local_info_t *local;
1376
1377         iface = netdev_priv(dev);
1378         local = iface->local;
1379
1380         if (rrq->disabled)
1381                 return -EINVAL;
1382
1383         /* setting retry limits is not supported with the current station
1384          * firmware code; simulate this with alternative retry count for now */
1385         if (rrq->flags == IW_RETRY_LIMIT) {
1386                 if (rrq->value < 0) {
1387                         /* disable manual retry count setting and use firmware
1388                          * defaults */
1389                         local->manual_retry_count = -1;
1390                         local->tx_control &= ~HFA384X_TX_CTRL_ALT_RTRY;
1391                 } else {
1392                         if (hostap_set_word(dev, HFA384X_RID_CNFALTRETRYCOUNT,
1393                                             rrq->value)) {
1394                                 printk(KERN_DEBUG "%s: Alternate retry count "
1395                                        "setting to %d failed\n",
1396                                        dev->name, rrq->value);
1397                                 return -EOPNOTSUPP;
1398                         }
1399
1400                         local->manual_retry_count = rrq->value;
1401                         local->tx_control |= HFA384X_TX_CTRL_ALT_RTRY;
1402                 }
1403                 return 0;
1404         }
1405
1406         return -EOPNOTSUPP;
1407
1408 #if 0
1409         /* what could be done, if firmware would support this.. */
1410
1411         if (rrq->flags & IW_RETRY_LIMIT) {
1412                 if (rrq->flags & IW_RETRY_MAX)
1413                         HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1414                 else if (rrq->flags & IW_RETRY_MIN)
1415                         HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1416                 else {
1417                         HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1418                         HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1419                 }
1420
1421         }
1422
1423         if (rrq->flags & IW_RETRY_LIFETIME) {
1424                 HFA384X_RID_MAXTRANSMITLIFETIME = rrq->value / 1024;
1425         }
1426
1427         return 0;
1428 #endif /* 0 */
1429 }
1430
1431 static int prism2_ioctl_giwretry(struct net_device *dev,
1432                                  struct iw_request_info *info,
1433                                  struct iw_param *rrq, char *extra)
1434 {
1435         struct hostap_interface *iface;
1436         local_info_t *local;
1437         u16 shortretry, longretry, lifetime, altretry;
1438
1439         iface = netdev_priv(dev);
1440         local = iface->local;
1441
1442         if (local->func->get_rid(dev, HFA384X_RID_SHORTRETRYLIMIT, &shortretry,
1443                                  2, 1) < 0 ||
1444             local->func->get_rid(dev, HFA384X_RID_LONGRETRYLIMIT, &longretry,
1445                                  2, 1) < 0 ||
1446             local->func->get_rid(dev, HFA384X_RID_MAXTRANSMITLIFETIME,
1447                                  &lifetime, 2, 1) < 0)
1448                 return -EINVAL;
1449
1450         le16_to_cpus(&shortretry);
1451         le16_to_cpus(&longretry);
1452         le16_to_cpus(&lifetime);
1453
1454         rrq->disabled = 0;
1455
1456         if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
1457                 rrq->flags = IW_RETRY_LIFETIME;
1458                 rrq->value = lifetime * 1024;
1459         } else {
1460                 if (local->manual_retry_count >= 0) {
1461                         rrq->flags = IW_RETRY_LIMIT;
1462                         if (local->func->get_rid(dev,
1463                                                  HFA384X_RID_CNFALTRETRYCOUNT,
1464                                                  &altretry, 2, 1) >= 0)
1465                                 rrq->value = le16_to_cpu(altretry);
1466                         else
1467                                 rrq->value = local->manual_retry_count;
1468                 } else if ((rrq->flags & IW_RETRY_MAX)) {
1469                         rrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
1470                         rrq->value = longretry;
1471                 } else {
1472                         rrq->flags = IW_RETRY_LIMIT;
1473                         rrq->value = shortretry;
1474                         if (shortretry != longretry)
1475                                 rrq->flags |= IW_RETRY_MIN;
1476                 }
1477         }
1478         return 0;
1479 }
1480
1481
1482 /* Note! This TX power controlling is experimental and should not be used in
1483  * production use. It just sets raw power register and does not use any kind of
1484  * feedback information from the measured TX power (CR58). This is now
1485  * commented out to make sure that it is not used by accident. TX power
1486  * configuration will be enabled again after proper algorithm using feedback
1487  * has been implemented. */
1488
1489 #ifdef RAW_TXPOWER_SETTING
1490 /* Map HFA386x's CR31 to and from dBm with some sort of ad hoc mapping..
1491  * This version assumes following mapping:
1492  * CR31 is 7-bit value with -64 to +63 range.
1493  * -64 is mapped into +20dBm and +63 into -43dBm.
1494  * This is certainly not an exact mapping for every card, but at least
1495  * increasing dBm value should correspond to increasing TX power.
1496  */
1497
1498 static int prism2_txpower_hfa386x_to_dBm(u16 val)
1499 {
1500         signed char tmp;
1501
1502         if (val > 255)
1503                 val = 255;
1504
1505         tmp = val;
1506         tmp >>= 2;
1507
1508         return -12 - tmp;
1509 }
1510
1511 static u16 prism2_txpower_dBm_to_hfa386x(int val)
1512 {
1513         signed char tmp;
1514
1515         if (val > 20)
1516                 return 128;
1517         else if (val < -43)
1518                 return 127;
1519
1520         tmp = val;
1521         tmp = -12 - tmp;
1522         tmp <<= 2;
1523
1524         return (unsigned char) tmp;
1525 }
1526 #endif /* RAW_TXPOWER_SETTING */
1527
1528
1529 static int prism2_ioctl_siwtxpow(struct net_device *dev,
1530                                  struct iw_request_info *info,
1531                                  struct iw_param *rrq, char *extra)
1532 {
1533         struct hostap_interface *iface;
1534         local_info_t *local;
1535 #ifdef RAW_TXPOWER_SETTING
1536         char *tmp;
1537 #endif
1538         u16 val;
1539         int ret = 0;
1540
1541         iface = netdev_priv(dev);
1542         local = iface->local;
1543
1544         if (rrq->disabled) {
1545                 if (local->txpower_type != PRISM2_TXPOWER_OFF) {
1546                         val = 0xff; /* use all standby and sleep modes */
1547                         ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1548                                                HFA386X_CR_A_D_TEST_MODES2,
1549                                                &val, NULL);
1550                         printk(KERN_DEBUG "%s: Turning radio off: %s\n",
1551                                dev->name, ret ? "failed" : "OK");
1552                         local->txpower_type = PRISM2_TXPOWER_OFF;
1553                 }
1554                 return (ret ? -EOPNOTSUPP : 0);
1555         }
1556
1557         if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1558                 val = 0; /* disable all standby and sleep modes */
1559                 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1560                                        HFA386X_CR_A_D_TEST_MODES2, &val, NULL);
1561                 printk(KERN_DEBUG "%s: Turning radio on: %s\n",
1562                        dev->name, ret ? "failed" : "OK");
1563                 local->txpower_type = PRISM2_TXPOWER_UNKNOWN;
1564         }
1565
1566 #ifdef RAW_TXPOWER_SETTING
1567         if (!rrq->fixed && local->txpower_type != PRISM2_TXPOWER_AUTO) {
1568                 printk(KERN_DEBUG "Setting ALC on\n");
1569                 val = HFA384X_TEST_CFG_BIT_ALC;
1570                 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1571                                  (HFA384X_TEST_CFG_BITS << 8), 1, &val, NULL);
1572                 local->txpower_type = PRISM2_TXPOWER_AUTO;
1573                 return 0;
1574         }
1575
1576         if (local->txpower_type != PRISM2_TXPOWER_FIXED) {
1577                 printk(KERN_DEBUG "Setting ALC off\n");
1578                 val = HFA384X_TEST_CFG_BIT_ALC;
1579                 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1580                                  (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
1581                         local->txpower_type = PRISM2_TXPOWER_FIXED;
1582         }
1583
1584         if (rrq->flags == IW_TXPOW_DBM)
1585                 tmp = "dBm";
1586         else if (rrq->flags == IW_TXPOW_MWATT)
1587                 tmp = "mW";
1588         else
1589                 tmp = "UNKNOWN";
1590         printk(KERN_DEBUG "Setting TX power to %d %s\n", rrq->value, tmp);
1591
1592         if (rrq->flags != IW_TXPOW_DBM) {
1593                 printk("SIOCSIWTXPOW with mW is not supported; use dBm\n");
1594                 return -EOPNOTSUPP;
1595         }
1596
1597         local->txpower = rrq->value;
1598         val = prism2_txpower_dBm_to_hfa386x(local->txpower);
1599         if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1600                              HFA386X_CR_MANUAL_TX_POWER, &val, NULL))
1601                 ret = -EOPNOTSUPP;
1602 #else /* RAW_TXPOWER_SETTING */
1603         if (rrq->fixed)
1604                 ret = -EOPNOTSUPP;
1605 #endif /* RAW_TXPOWER_SETTING */
1606
1607         return ret;
1608 }
1609
1610 static int prism2_ioctl_giwtxpow(struct net_device *dev,
1611                                  struct iw_request_info *info,
1612                                  struct iw_param *rrq, char *extra)
1613 {
1614 #ifdef RAW_TXPOWER_SETTING
1615         struct hostap_interface *iface;
1616         local_info_t *local;
1617         u16 resp0;
1618
1619         iface = netdev_priv(dev);
1620         local = iface->local;
1621
1622         rrq->flags = IW_TXPOW_DBM;
1623         rrq->disabled = 0;
1624         rrq->fixed = 0;
1625
1626         if (local->txpower_type == PRISM2_TXPOWER_AUTO) {
1627                 if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF,
1628                                      HFA386X_CR_MANUAL_TX_POWER,
1629                                      NULL, &resp0) == 0) {
1630                         rrq->value = prism2_txpower_hfa386x_to_dBm(resp0);
1631                 } else {
1632                         /* Could not get real txpower; guess 15 dBm */
1633                         rrq->value = 15;
1634                 }
1635         } else if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1636                 rrq->value = 0;
1637                 rrq->disabled = 1;
1638         } else if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
1639                 rrq->value = local->txpower;
1640                 rrq->fixed = 1;
1641         } else {
1642                 printk("SIOCGIWTXPOW - unknown txpower_type=%d\n",
1643                        local->txpower_type);
1644         }
1645         return 0;
1646 #else /* RAW_TXPOWER_SETTING */
1647         return -EOPNOTSUPP;
1648 #endif /* RAW_TXPOWER_SETTING */
1649 }
1650
1651
1652 #ifndef PRISM2_NO_STATION_MODES
1653
1654 /* HostScan request works with and without host_roaming mode. In addition, it
1655  * does not break current association. However, it requires newer station
1656  * firmware version (>= 1.3.1) than scan request. */
1657 static int prism2_request_hostscan(struct net_device *dev,
1658                                    u8 *ssid, u8 ssid_len)
1659 {
1660         struct hostap_interface *iface;
1661         local_info_t *local;
1662         struct hfa384x_hostscan_request scan_req;
1663
1664         iface = netdev_priv(dev);
1665         local = iface->local;
1666
1667         memset(&scan_req, 0, sizeof(scan_req));
1668         scan_req.channel_list = cpu_to_le16(local->channel_mask &
1669                                             local->scan_channel_mask);
1670         scan_req.txrate = __constant_cpu_to_le16(HFA384X_RATES_1MBPS);
1671         if (ssid) {
1672                 if (ssid_len > 32)
1673                         return -EINVAL;
1674                 scan_req.target_ssid_len = cpu_to_le16(ssid_len);
1675                 memcpy(scan_req.target_ssid, ssid, ssid_len);
1676         }
1677
1678         if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
1679                                  sizeof(scan_req))) {
1680                 printk(KERN_DEBUG "%s: HOSTSCAN failed\n", dev->name);
1681                 return -EINVAL;
1682         }
1683         return 0;
1684 }
1685
1686
1687 static int prism2_request_scan(struct net_device *dev)
1688 {
1689         struct hostap_interface *iface;
1690         local_info_t *local;
1691         struct hfa384x_scan_request scan_req;
1692         int ret = 0;
1693
1694         iface = netdev_priv(dev);
1695         local = iface->local;
1696
1697         memset(&scan_req, 0, sizeof(scan_req));
1698         scan_req.channel_list = cpu_to_le16(local->channel_mask &
1699                                             local->scan_channel_mask);
1700         scan_req.txrate = __constant_cpu_to_le16(HFA384X_RATES_1MBPS);
1701
1702         /* FIX:
1703          * It seems to be enough to set roaming mode for a short moment to
1704          * host-based and then setup scanrequest data and return the mode to
1705          * firmware-based.
1706          *
1707          * Master mode would need to drop to Managed mode for a short while
1708          * to make scanning work.. Or sweep through the different channels and
1709          * use passive scan based on beacons. */
1710
1711         if (!local->host_roaming)
1712                 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1713                                 HFA384X_ROAMING_HOST);
1714
1715         if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, &scan_req,
1716                                  sizeof(scan_req))) {
1717                 printk(KERN_DEBUG "SCANREQUEST failed\n");
1718                 ret = -EINVAL;
1719         }
1720
1721         if (!local->host_roaming)
1722                 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1723                                 HFA384X_ROAMING_FIRMWARE);
1724
1725         return 0;
1726 }
1727
1728 #else /* !PRISM2_NO_STATION_MODES */
1729
1730 static inline int prism2_request_hostscan(struct net_device *dev,
1731                                           u8 *ssid, u8 ssid_len)
1732 {
1733         return -EOPNOTSUPP;
1734 }
1735
1736
1737 static inline int prism2_request_scan(struct net_device *dev)
1738 {
1739         return -EOPNOTSUPP;
1740 }
1741
1742 #endif /* !PRISM2_NO_STATION_MODES */
1743
1744
1745 static int prism2_ioctl_siwscan(struct net_device *dev,
1746                                 struct iw_request_info *info,
1747                                 struct iw_point *data, char *extra)
1748 {
1749         struct hostap_interface *iface;
1750         local_info_t *local;
1751         int ret;
1752         u8 *ssid = NULL, ssid_len = 0;
1753         struct iw_scan_req *req = (struct iw_scan_req *) extra;
1754
1755         iface = netdev_priv(dev);
1756         local = iface->local;
1757
1758         if (data->length < sizeof(struct iw_scan_req))
1759                 req = NULL;
1760
1761         if (local->iw_mode == IW_MODE_MASTER) {
1762                 /* In master mode, we just return the results of our local
1763                  * tables, so we don't need to start anything...
1764                  * Jean II */
1765                 data->length = 0;
1766                 return 0;
1767         }
1768
1769         if (!local->dev_enabled)
1770                 return -ENETDOWN;
1771
1772         if (req && data->flags & IW_SCAN_THIS_ESSID) {
1773                 ssid = req->essid;
1774                 ssid_len = req->essid_len;
1775
1776                 if (ssid_len &&
1777                     ((local->iw_mode != IW_MODE_INFRA &&
1778                       local->iw_mode != IW_MODE_ADHOC) ||
1779                      (local->sta_fw_ver < PRISM2_FW_VER(1,3,1))))
1780                         return -EOPNOTSUPP;
1781         }
1782
1783         if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1784                 ret = prism2_request_hostscan(dev, ssid, ssid_len);
1785         else
1786                 ret = prism2_request_scan(dev);
1787
1788         if (ret == 0)
1789                 local->scan_timestamp = jiffies;
1790
1791         /* Could inquire F101, F103 or wait for SIOCGIWSCAN and read RID */
1792
1793         return ret;
1794 }
1795
1796
1797 #ifndef PRISM2_NO_STATION_MODES
1798 static char * __prism2_translate_scan(local_info_t *local,
1799                                       struct hfa384x_hostscan_result *scan,
1800                                       struct hostap_bss_info *bss,
1801                                       char *current_ev, char *end_buf)
1802 {
1803         int i, chan;
1804         struct iw_event iwe;
1805         char *current_val;
1806         u16 capabilities;
1807         u8 *pos;
1808         u8 *ssid, *bssid;
1809         size_t ssid_len;
1810         char *buf;
1811
1812         if (bss) {
1813                 ssid = bss->ssid;
1814                 ssid_len = bss->ssid_len;
1815                 bssid = bss->bssid;
1816         } else {
1817                 ssid = scan->ssid;
1818                 ssid_len = le16_to_cpu(scan->ssid_len);
1819                 bssid = scan->bssid;
1820         }
1821         if (ssid_len > 32)
1822                 ssid_len = 32;
1823
1824         /* First entry *MUST* be the AP MAC address */
1825         memset(&iwe, 0, sizeof(iwe));
1826         iwe.cmd = SIOCGIWAP;
1827         iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1828         memcpy(iwe.u.ap_addr.sa_data, bssid, ETH_ALEN);
1829         /* FIX:
1830          * I do not know how this is possible, but iwe_stream_add_event
1831          * seems to re-order memcpy execution so that len is set only
1832          * after copying.. Pre-setting len here "fixes" this, but real
1833          * problems should be solved (after which these iwe.len
1834          * settings could be removed from this function). */
1835         iwe.len = IW_EV_ADDR_LEN;
1836         current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
1837                                           IW_EV_ADDR_LEN);
1838
1839         /* Other entries will be displayed in the order we give them */
1840
1841         memset(&iwe, 0, sizeof(iwe));
1842         iwe.cmd = SIOCGIWESSID;
1843         iwe.u.data.length = ssid_len;
1844         iwe.u.data.flags = 1;
1845         iwe.len = IW_EV_POINT_LEN + iwe.u.data.length;
1846         current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, ssid);
1847
1848         memset(&iwe, 0, sizeof(iwe));
1849         iwe.cmd = SIOCGIWMODE;
1850         if (bss) {
1851                 capabilities = bss->capab_info;
1852         } else {
1853                 capabilities = le16_to_cpu(scan->capability);
1854         }
1855         if (capabilities & (WLAN_CAPABILITY_ESS |
1856                             WLAN_CAPABILITY_IBSS)) {
1857                 if (capabilities & WLAN_CAPABILITY_ESS)
1858                         iwe.u.mode = IW_MODE_MASTER;
1859                 else
1860                         iwe.u.mode = IW_MODE_ADHOC;
1861                 iwe.len = IW_EV_UINT_LEN;
1862                 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
1863                                                   IW_EV_UINT_LEN);
1864         }
1865
1866         memset(&iwe, 0, sizeof(iwe));
1867         iwe.cmd = SIOCGIWFREQ;
1868         if (scan) {
1869                 chan = scan->chid;
1870         } else if (bss) {
1871                 chan = bss->chan;
1872         } else {
1873                 chan = 0;
1874         }
1875
1876         if (chan > 0) {
1877                 iwe.u.freq.m = freq_list[le16_to_cpu(chan - 1)] * 100000;
1878                 iwe.u.freq.e = 1;
1879                 iwe.len = IW_EV_FREQ_LEN;
1880                 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
1881                                                   IW_EV_FREQ_LEN);
1882         }
1883
1884         if (scan) {
1885                 memset(&iwe, 0, sizeof(iwe));
1886                 iwe.cmd = IWEVQUAL;
1887                 if (local->last_scan_type == PRISM2_HOSTSCAN) {
1888                         iwe.u.qual.level = le16_to_cpu(scan->sl);
1889                         iwe.u.qual.noise = le16_to_cpu(scan->anl);
1890                 } else {
1891                         iwe.u.qual.level =
1892                                 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->sl));
1893                         iwe.u.qual.noise =
1894                                 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl));
1895                 }
1896                 iwe.len = IW_EV_QUAL_LEN;
1897                 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
1898                                                   IW_EV_QUAL_LEN);
1899         }
1900
1901         memset(&iwe, 0, sizeof(iwe));
1902         iwe.cmd = SIOCGIWENCODE;
1903         if (capabilities & WLAN_CAPABILITY_PRIVACY)
1904                 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
1905         else
1906                 iwe.u.data.flags = IW_ENCODE_DISABLED;
1907         iwe.u.data.length = 0;
1908         iwe.len = IW_EV_POINT_LEN + iwe.u.data.length;
1909         current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, "");
1910
1911         /* TODO: add SuppRates into BSS table */
1912         if (scan) {
1913                 memset(&iwe, 0, sizeof(iwe));
1914                 iwe.cmd = SIOCGIWRATE;
1915                 current_val = current_ev + IW_EV_LCP_LEN;
1916                 pos = scan->sup_rates;
1917                 for (i = 0; i < sizeof(scan->sup_rates); i++) {
1918                         if (pos[i] == 0)
1919                                 break;
1920                         /* Bit rate given in 500 kb/s units (+ 0x80) */
1921                         iwe.u.bitrate.value = ((pos[i] & 0x7f) * 500000);
1922                         current_val = iwe_stream_add_value(
1923                                 current_ev, current_val, end_buf, &iwe,
1924                                 IW_EV_PARAM_LEN);
1925                 }
1926                 /* Check if we added any event */
1927                 if ((current_val - current_ev) > IW_EV_LCP_LEN)
1928                         current_ev = current_val;
1929         }
1930
1931         /* TODO: add BeaconInt,resp_rate,atim into BSS table */
1932         buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_KERNEL);
1933         if (buf && scan) {
1934                 memset(&iwe, 0, sizeof(iwe));
1935                 iwe.cmd = IWEVCUSTOM;
1936                 sprintf(buf, "bcn_int=%d", le16_to_cpu(scan->beacon_interval));
1937                 iwe.u.data.length = strlen(buf);
1938                 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
1939                                                   buf);
1940
1941                 memset(&iwe, 0, sizeof(iwe));
1942                 iwe.cmd = IWEVCUSTOM;
1943                 sprintf(buf, "resp_rate=%d", le16_to_cpu(scan->rate));
1944                 iwe.u.data.length = strlen(buf);
1945                 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
1946                                                   buf);
1947
1948                 if (local->last_scan_type == PRISM2_HOSTSCAN &&
1949                     (capabilities & WLAN_CAPABILITY_IBSS)) {
1950                         memset(&iwe, 0, sizeof(iwe));
1951                         iwe.cmd = IWEVCUSTOM;
1952                         sprintf(buf, "atim=%d", le16_to_cpu(scan->atim));
1953                         iwe.u.data.length = strlen(buf);
1954                         current_ev = iwe_stream_add_point(current_ev, end_buf,
1955                                                           &iwe, buf);
1956                 }
1957         }
1958         kfree(buf);
1959
1960         if (bss && bss->wpa_ie_len > 0 && bss->wpa_ie_len <= MAX_WPA_IE_LEN) {
1961                 memset(&iwe, 0, sizeof(iwe));
1962                 iwe.cmd = IWEVGENIE;
1963                 iwe.u.data.length = bss->wpa_ie_len;
1964                 current_ev = iwe_stream_add_point(
1965                         current_ev, end_buf, &iwe, bss->wpa_ie);
1966         }
1967
1968         if (bss && bss->rsn_ie_len > 0 && bss->rsn_ie_len <= MAX_WPA_IE_LEN) {
1969                 memset(&iwe, 0, sizeof(iwe));
1970                 iwe.cmd = IWEVGENIE;
1971                 iwe.u.data.length = bss->rsn_ie_len;
1972                 current_ev = iwe_stream_add_point(
1973                         current_ev, end_buf, &iwe, bss->rsn_ie);
1974         }
1975
1976         return current_ev;
1977 }
1978
1979
1980 /* Translate scan data returned from the card to a card independant
1981  * format that the Wireless Tools will understand - Jean II */
1982 static inline int prism2_translate_scan(local_info_t *local,
1983                                         char *buffer, int buflen)
1984 {
1985         struct hfa384x_hostscan_result *scan;
1986         int entry, hostscan;
1987         char *current_ev = buffer;
1988         char *end_buf = buffer + buflen;
1989         struct list_head *ptr;
1990
1991         spin_lock_bh(&local->lock);
1992
1993         list_for_each(ptr, &local->bss_list) {
1994                 struct hostap_bss_info *bss;
1995                 bss = list_entry(ptr, struct hostap_bss_info, list);
1996                 bss->included = 0;
1997         }
1998
1999         hostscan = local->last_scan_type == PRISM2_HOSTSCAN;
2000         for (entry = 0; entry < local->last_scan_results_count; entry++) {
2001                 int found = 0;
2002                 scan = &local->last_scan_results[entry];
2003
2004                 /* Report every SSID if the AP is using multiple SSIDs. If no
2005                  * BSS record is found (e.g., when WPA mode is disabled),
2006                  * report the AP once. */
2007                 list_for_each(ptr, &local->bss_list) {
2008                         struct hostap_bss_info *bss;
2009                         bss = list_entry(ptr, struct hostap_bss_info, list);
2010                         if (memcmp(bss->bssid, scan->bssid, ETH_ALEN) == 0) {
2011                                 bss->included = 1;
2012                                 current_ev = __prism2_translate_scan(
2013                                         local, scan, bss, current_ev, end_buf);
2014                                 found++;
2015                         }
2016                 }
2017                 if (!found) {
2018                         current_ev = __prism2_translate_scan(
2019                                 local, scan, NULL, current_ev, end_buf);
2020                 }
2021                 /* Check if there is space for one more entry */
2022                 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2023                         /* Ask user space to try again with a bigger buffer */
2024                         spin_unlock_bh(&local->lock);
2025                         return -E2BIG;
2026                 }
2027         }
2028
2029         /* Prism2 firmware has limits (32 at least in some versions) for number
2030          * of BSSes in scan results. Extend this limit by using local BSS list.
2031          */
2032         list_for_each(ptr, &local->bss_list) {
2033                 struct hostap_bss_info *bss;
2034                 bss = list_entry(ptr, struct hostap_bss_info, list);
2035                 if (bss->included)
2036                         continue;
2037                 current_ev = __prism2_translate_scan(local, NULL, bss,
2038                                                      current_ev, end_buf);
2039                 /* Check if there is space for one more entry */
2040                 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2041                         /* Ask user space to try again with a bigger buffer */
2042                         spin_unlock_bh(&local->lock);
2043                         return -E2BIG;
2044                 }
2045         }
2046
2047         spin_unlock_bh(&local->lock);
2048
2049         return current_ev - buffer;
2050 }
2051 #endif /* PRISM2_NO_STATION_MODES */
2052
2053
2054 static inline int prism2_ioctl_giwscan_sta(struct net_device *dev,
2055                                            struct iw_request_info *info,
2056                                            struct iw_point *data, char *extra)
2057 {
2058 #ifdef PRISM2_NO_STATION_MODES
2059         return -EOPNOTSUPP;
2060 #else /* PRISM2_NO_STATION_MODES */
2061         struct hostap_interface *iface;
2062         local_info_t *local;
2063         int res;
2064
2065         iface = netdev_priv(dev);
2066         local = iface->local;
2067
2068         /* Wait until the scan is finished. We can probably do better
2069          * than that - Jean II */
2070         if (local->scan_timestamp &&
2071             time_before(jiffies, local->scan_timestamp + 3 * HZ)) {
2072                 /* Important note : we don't want to block the caller
2073                  * until results are ready for various reasons.
2074                  * First, managing wait queues is complex and racy
2075                  * (there may be multiple simultaneous callers).
2076                  * Second, we grab some rtnetlink lock before comming
2077                  * here (in dev_ioctl()).
2078                  * Third, the caller can wait on the Wireless Event
2079                  * - Jean II */
2080                 return -EAGAIN;
2081         }
2082         local->scan_timestamp = 0;
2083
2084         res = prism2_translate_scan(local, extra, data->length);
2085
2086         if (res >= 0) {
2087                 data->length = res;
2088                 return 0;
2089         } else {
2090                 data->length = 0;
2091                 return res;
2092         }
2093 #endif /* PRISM2_NO_STATION_MODES */
2094 }
2095
2096
2097 static int prism2_ioctl_giwscan(struct net_device *dev,
2098                                 struct iw_request_info *info,
2099                                 struct iw_point *data, char *extra)
2100 {
2101         struct hostap_interface *iface;
2102         local_info_t *local;
2103         int res;
2104
2105         iface = netdev_priv(dev);
2106         local = iface->local;
2107
2108         if (local->iw_mode == IW_MODE_MASTER) {
2109                 /* In MASTER mode, it doesn't make sense to go around
2110                  * scanning the frequencies and make the stations we serve
2111                  * wait when what the user is really interested about is the
2112                  * list of stations and access points we are talking to.
2113                  * So, just extract results from our cache...
2114                  * Jean II */
2115
2116                 /* Translate to WE format */
2117                 res = prism2_ap_translate_scan(dev, extra);
2118                 if (res >= 0) {
2119                         printk(KERN_DEBUG "Scan result translation succeeded "
2120                                "(length=%d)\n", res);
2121                         data->length = res;
2122                         return 0;
2123                 } else {
2124                         printk(KERN_DEBUG
2125                                "Scan result translation failed (res=%d)\n",
2126                                res);
2127                         data->length = 0;
2128                         return res;
2129                 }
2130         } else {
2131                 /* Station mode */
2132                 return prism2_ioctl_giwscan_sta(dev, info, data, extra);
2133         }
2134 }
2135
2136
2137 static const struct iw_priv_args prism2_priv[] = {
2138         { PRISM2_IOCTL_MONITOR,
2139           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor" },
2140         { PRISM2_IOCTL_READMIF,
2141           IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
2142           IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "readmif" },
2143         { PRISM2_IOCTL_WRITEMIF,
2144           IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 2, 0, "writemif" },
2145         { PRISM2_IOCTL_RESET,
2146           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "reset" },
2147         { PRISM2_IOCTL_INQUIRE,
2148           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inquire" },
2149         { PRISM2_IOCTL_SET_RID_WORD,
2150           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_rid_word" },
2151         { PRISM2_IOCTL_MACCMD,
2152           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maccmd" },
2153         { PRISM2_IOCTL_WDS_ADD,
2154           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_add" },
2155         { PRISM2_IOCTL_WDS_DEL,
2156           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_del" },
2157         { PRISM2_IOCTL_ADDMAC,
2158           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "addmac" },
2159         { PRISM2_IOCTL_DELMAC,
2160           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "delmac" },
2161         { PRISM2_IOCTL_KICKMAC,
2162           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac" },
2163         /* --- raw access to sub-ioctls --- */
2164         { PRISM2_IOCTL_PRISM2_PARAM,
2165           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "prism2_param" },
2166         { PRISM2_IOCTL_GET_PRISM2_PARAM,
2167           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2168           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprism2_param" },
2169         /* --- sub-ioctls handlers --- */
2170         { PRISM2_IOCTL_PRISM2_PARAM,
2171           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "" },
2172         { PRISM2_IOCTL_GET_PRISM2_PARAM,
2173           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "" },
2174         /* --- sub-ioctls definitions --- */
2175         { PRISM2_PARAM_TXRATECTRL,
2176           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txratectrl" },
2177         { PRISM2_PARAM_TXRATECTRL,
2178           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettxratectrl" },
2179         { PRISM2_PARAM_BEACON_INT,
2180           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "beacon_int" },
2181         { PRISM2_PARAM_BEACON_INT,
2182           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbeacon_int" },
2183 #ifndef PRISM2_NO_STATION_MODES
2184         { PRISM2_PARAM_PSEUDO_IBSS,
2185           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pseudo_ibss" },
2186         { PRISM2_PARAM_PSEUDO_IBSS,
2187           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getpseudo_ibss" },
2188 #endif /* PRISM2_NO_STATION_MODES */
2189         { PRISM2_PARAM_ALC,
2190           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "alc" },
2191         { PRISM2_PARAM_ALC,
2192           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getalc" },
2193         { PRISM2_PARAM_DUMP,
2194           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dump" },
2195         { PRISM2_PARAM_DUMP,
2196           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdump" },
2197         { PRISM2_PARAM_OTHER_AP_POLICY,
2198           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "other_ap_policy" },
2199         { PRISM2_PARAM_OTHER_AP_POLICY,
2200           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getother_ap_pol" },
2201         { PRISM2_PARAM_AP_MAX_INACTIVITY,
2202           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_inactivity" },
2203         { PRISM2_PARAM_AP_MAX_INACTIVITY,
2204           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_inactivi" },
2205         { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2206           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bridge_packets" },
2207         { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2208           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbridge_packe" },
2209         { PRISM2_PARAM_DTIM_PERIOD,
2210           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dtim_period" },
2211         { PRISM2_PARAM_DTIM_PERIOD,
2212           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdtim_period" },
2213         { PRISM2_PARAM_AP_NULLFUNC_ACK,
2214           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "nullfunc_ack" },
2215         { PRISM2_PARAM_AP_NULLFUNC_ACK,
2216           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getnullfunc_ack" },
2217         { PRISM2_PARAM_MAX_WDS,
2218           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_wds" },
2219         { PRISM2_PARAM_MAX_WDS,
2220           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_wds" },
2221         { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2222           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "autom_ap_wds" },
2223         { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2224           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getautom_ap_wds" },
2225         { PRISM2_PARAM_AP_AUTH_ALGS,
2226           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_auth_algs" },
2227         { PRISM2_PARAM_AP_AUTH_ALGS,
2228           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_auth_algs" },
2229         { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2230           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "allow_fcserr" },
2231         { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2232           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getallow_fcserr" },
2233         { PRISM2_PARAM_HOST_ENCRYPT,
2234           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_encrypt" },
2235         { PRISM2_PARAM_HOST_ENCRYPT,
2236           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_encrypt" },
2237         { PRISM2_PARAM_HOST_DECRYPT,
2238           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_decrypt" },
2239         { PRISM2_PARAM_HOST_DECRYPT,
2240           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_decrypt" },
2241         { PRISM2_PARAM_BUS_MASTER_THRESHOLD_RX,
2242           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "busmaster_rx" },
2243         { PRISM2_PARAM_BUS_MASTER_THRESHOLD_RX,
2244           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbusmaster_rx" },
2245         { PRISM2_PARAM_BUS_MASTER_THRESHOLD_TX,
2246           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "busmaster_tx" },
2247         { PRISM2_PARAM_BUS_MASTER_THRESHOLD_TX,
2248           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbusmaster_tx" },
2249 #ifndef PRISM2_NO_STATION_MODES
2250         { PRISM2_PARAM_HOST_ROAMING,
2251           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_roaming" },
2252         { PRISM2_PARAM_HOST_ROAMING,
2253           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_roaming" },
2254 #endif /* PRISM2_NO_STATION_MODES */
2255         { PRISM2_PARAM_BCRX_STA_KEY,
2256           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bcrx_sta_key" },
2257         { PRISM2_PARAM_BCRX_STA_KEY,
2258           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbcrx_sta_key" },
2259         { PRISM2_PARAM_IEEE_802_1X,
2260           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ieee_802_1x" },
2261         { PRISM2_PARAM_IEEE_802_1X,
2262           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getieee_802_1x" },
2263         { PRISM2_PARAM_ANTSEL_TX,
2264           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_tx" },
2265         { PRISM2_PARAM_ANTSEL_TX,
2266           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_tx" },
2267         { PRISM2_PARAM_ANTSEL_RX,
2268           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_rx" },
2269         { PRISM2_PARAM_ANTSEL_RX,
2270           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_rx" },
2271         { PRISM2_PARAM_MONITOR_TYPE,
2272           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor_type" },
2273         { PRISM2_PARAM_MONITOR_TYPE,
2274           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmonitor_type" },
2275         { PRISM2_PARAM_WDS_TYPE,
2276           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wds_type" },
2277         { PRISM2_PARAM_WDS_TYPE,
2278           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwds_type" },
2279         { PRISM2_PARAM_HOSTSCAN,
2280           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostscan" },
2281         { PRISM2_PARAM_HOSTSCAN,
2282           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostscan" },
2283         { PRISM2_PARAM_AP_SCAN,
2284           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_scan" },
2285         { PRISM2_PARAM_AP_SCAN,
2286           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_scan" },
2287         { PRISM2_PARAM_ENH_SEC,
2288           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "enh_sec" },
2289         { PRISM2_PARAM_ENH_SEC,
2290           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getenh_sec" },
2291 #ifdef PRISM2_IO_DEBUG
2292         { PRISM2_PARAM_IO_DEBUG,
2293           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "io_debug" },
2294         { PRISM2_PARAM_IO_DEBUG,
2295           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getio_debug" },
2296 #endif /* PRISM2_IO_DEBUG */
2297         { PRISM2_PARAM_BASIC_RATES,
2298           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "basic_rates" },
2299         { PRISM2_PARAM_BASIC_RATES,
2300           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbasic_rates" },
2301         { PRISM2_PARAM_OPER_RATES,
2302           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "oper_rates" },
2303         { PRISM2_PARAM_OPER_RATES,
2304           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getoper_rates" },
2305         { PRISM2_PARAM_HOSTAPD,
2306           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd" },
2307         { PRISM2_PARAM_HOSTAPD,
2308           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd" },
2309         { PRISM2_PARAM_HOSTAPD_STA,
2310           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd_sta" },
2311         { PRISM2_PARAM_HOSTAPD_STA,
2312           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd_sta" },
2313         { PRISM2_PARAM_WPA,
2314           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wpa" },
2315         { PRISM2_PARAM_WPA,
2316           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwpa" },
2317         { PRISM2_PARAM_PRIVACY_INVOKED,
2318           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "privacy_invoked" },
2319         { PRISM2_PARAM_PRIVACY_INVOKED,
2320           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprivacy_invo" },
2321         { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2322           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "tkip_countermea" },
2323         { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2324           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettkip_counter" },
2325         { PRISM2_PARAM_DROP_UNENCRYPTED,
2326           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "drop_unencrypte" },
2327         { PRISM2_PARAM_DROP_UNENCRYPTED,
2328           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdrop_unencry" },
2329         { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2330           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "scan_channels" },
2331         { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2332           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getscan_channel" },
2333 };
2334
2335
2336 static int prism2_ioctl_priv_inquire(struct net_device *dev, int *i)
2337 {
2338         struct hostap_interface *iface;
2339         local_info_t *local;
2340
2341         iface = netdev_priv(dev);
2342         local = iface->local;
2343
2344         if (local->func->cmd(dev, HFA384X_CMDCODE_INQUIRE, *i, NULL, NULL))
2345                 return -EOPNOTSUPP;
2346
2347         return 0;
2348 }
2349
2350
2351 static int prism2_ioctl_priv_prism2_param(struct net_device *dev,
2352                                           struct iw_request_info *info,
2353                                           void *wrqu, char *extra)
2354 {
2355         struct hostap_interface *iface;
2356         local_info_t *local;
2357         int *i = (int *) extra;
2358         int param = *i;
2359         int value = *(i + 1);
2360         int ret = 0;
2361         u16 val;
2362
2363         iface = netdev_priv(dev);
2364         local = iface->local;
2365
2366         switch (param) {
2367         case PRISM2_PARAM_TXRATECTRL:
2368                 local->fw_tx_rate_control = value;
2369                 break;
2370
2371         case PRISM2_PARAM_BEACON_INT:
2372                 if (hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, value) ||
2373                     local->func->reset_port(dev))
2374                         ret = -EINVAL;
2375                 else
2376                         local->beacon_int = value;
2377                 break;
2378
2379 #ifndef PRISM2_NO_STATION_MODES
2380         case PRISM2_PARAM_PSEUDO_IBSS:
2381                 if (value == local->pseudo_adhoc)
2382                         break;
2383
2384                 if (value != 0 && value != 1) {
2385                         ret = -EINVAL;
2386                         break;
2387                 }
2388
2389                 printk(KERN_DEBUG "prism2: %s: pseudo IBSS change %d -> %d\n",
2390                        dev->name, local->pseudo_adhoc, value);
2391                 local->pseudo_adhoc = value;
2392                 if (local->iw_mode != IW_MODE_ADHOC)
2393                         break;
2394
2395                 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2396                                     hostap_get_porttype(local))) {
2397                         ret = -EOPNOTSUPP;
2398                         break;
2399                 }
2400
2401                 if (local->func->reset_port(dev))
2402                         ret = -EINVAL;
2403                 break;
2404 #endif /* PRISM2_NO_STATION_MODES */
2405
2406         case PRISM2_PARAM_ALC:
2407                 printk(KERN_DEBUG "%s: %s ALC\n", dev->name,
2408                        value == 0 ? "Disabling" : "Enabling");
2409                 val = HFA384X_TEST_CFG_BIT_ALC;
2410                 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
2411                                  (HFA384X_TEST_CFG_BITS << 8),
2412                                  value == 0 ? 0 : 1, &val, NULL);
2413                 break;
2414
2415         case PRISM2_PARAM_DUMP:
2416                 local->frame_dump = value;
2417                 break;
2418
2419         case PRISM2_PARAM_OTHER_AP_POLICY:
2420                 if (value < 0 || value > 3) {
2421                         ret = -EINVAL;
2422                         break;
2423                 }
2424                 if (local->ap != NULL)
2425                         local->ap->ap_policy = value;
2426                 break;
2427
2428         case PRISM2_PARAM_AP_MAX_INACTIVITY:
2429                 if (value < 0 || value > 7 * 24 * 60 * 60) {
2430                         ret = -EINVAL;
2431                         break;
2432                 }
2433                 if (local->ap != NULL)
2434                         local->ap->max_inactivity = value * HZ;
2435                 break;
2436
2437         case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2438                 if (local->ap != NULL)
2439                         local->ap->bridge_packets = value;
2440                 break;
2441
2442         case PRISM2_PARAM_DTIM_PERIOD:
2443                 if (value < 0 || value > 65535) {
2444                         ret = -EINVAL;
2445                         break;
2446                 }
2447                 if (hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, value)
2448                     || local->func->reset_port(dev))
2449                         ret = -EINVAL;
2450                 else
2451                         local->dtim_period = value;
2452                 break;
2453
2454         case PRISM2_PARAM_AP_NULLFUNC_ACK:
2455                 if (local->ap != NULL)
2456                         local->ap->nullfunc_ack = value;
2457                 break;
2458
2459         case PRISM2_PARAM_MAX_WDS:
2460                 local->wds_max_connections = value;
2461                 break;
2462
2463         case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2464                 if (local->ap != NULL) {
2465                         if (!local->ap->autom_ap_wds && value) {
2466                                 /* add WDS link to all APs in STA table */
2467                                 hostap_add_wds_links(local);
2468                         }
2469                         local->ap->autom_ap_wds = value;
2470                 }
2471                 break;
2472
2473         case PRISM2_PARAM_AP_AUTH_ALGS:
2474                 local->auth_algs = value;
2475                 if (hostap_set_auth_algs(local))
2476                         ret = -EINVAL;
2477                 break;
2478
2479         case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2480                 local->monitor_allow_fcserr = value;
2481                 break;
2482
2483         case PRISM2_PARAM_HOST_ENCRYPT:
2484                 local->host_encrypt = value;
2485                 if (hostap_set_encryption(local) ||
2486                     local->func->reset_port(dev))
2487                         ret = -EINVAL;
2488                 break;
2489
2490         case PRISM2_PARAM_HOST_DECRYPT:
2491                 local->host_decrypt = value;
2492                 if (hostap_set_encryption(local) ||
2493                     local->func->reset_port(dev))
2494                         ret = -EINVAL;
2495                 break;
2496
2497         case PRISM2_PARAM_BUS_MASTER_THRESHOLD_RX:
2498                 local->bus_master_threshold_rx = value;
2499                 break;
2500
2501         case PRISM2_PARAM_BUS_MASTER_THRESHOLD_TX:
2502                 local->bus_master_threshold_tx = value;
2503                 break;
2504
2505 #ifndef PRISM2_NO_STATION_MODES
2506         case PRISM2_PARAM_HOST_ROAMING:
2507                 if (value < 0 || value > 2) {
2508                         ret = -EINVAL;
2509                         break;
2510                 }
2511                 local->host_roaming = value;
2512                 if (hostap_set_roaming(local) || local->func->reset_port(dev))
2513                         ret = -EINVAL;
2514                 break;
2515 #endif /* PRISM2_NO_STATION_MODES */
2516
2517         case PRISM2_PARAM_BCRX_STA_KEY:
2518                 local->bcrx_sta_key = value;
2519                 break;
2520
2521         case PRISM2_PARAM_IEEE_802_1X:
2522                 local->ieee_802_1x = value;
2523                 break;
2524
2525         case PRISM2_PARAM_ANTSEL_TX:
2526                 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2527                         ret = -EINVAL;
2528                         break;
2529                 }
2530                 local->antsel_tx = value;
2531                 hostap_set_antsel(local);
2532                 break;
2533
2534         case PRISM2_PARAM_ANTSEL_RX:
2535                 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2536                         ret = -EINVAL;
2537                         break;
2538                 }
2539                 local->antsel_rx = value;
2540                 hostap_set_antsel(local);
2541                 break;
2542
2543         case PRISM2_PARAM_MONITOR_TYPE:
2544                 if (value != PRISM2_MONITOR_80211 &&
2545                     value != PRISM2_MONITOR_CAPHDR &&
2546                     value != PRISM2_MONITOR_PRISM) {
2547                         ret = -EINVAL;
2548                         break;
2549                 }
2550                 local->monitor_type = value;
2551                 if (local->iw_mode == IW_MODE_MONITOR)
2552                         hostap_monitor_set_type(local);
2553                 break;
2554
2555         case PRISM2_PARAM_WDS_TYPE:
2556                 local->wds_type = value;
2557                 break;
2558
2559         case PRISM2_PARAM_HOSTSCAN:
2560         {
2561                 struct hfa384x_hostscan_request scan_req;
2562                 u16 rate;
2563
2564                 memset(&scan_req, 0, sizeof(scan_req));
2565                 scan_req.channel_list = __constant_cpu_to_le16(0x3fff);
2566                 switch (value) {
2567                 case 1: rate = HFA384X_RATES_1MBPS; break;
2568                 case 2: rate = HFA384X_RATES_2MBPS; break;
2569                 case 3: rate = HFA384X_RATES_5MBPS; break;
2570                 case 4: rate = HFA384X_RATES_11MBPS; break;
2571                 default: rate = HFA384X_RATES_1MBPS; break;
2572                 }
2573                 scan_req.txrate = cpu_to_le16(rate);
2574                 /* leave SSID empty to accept all SSIDs */
2575
2576                 if (local->iw_mode == IW_MODE_MASTER) {
2577                         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2578                                             HFA384X_PORTTYPE_BSS) ||
2579                             local->func->reset_port(dev))
2580                                 printk(KERN_DEBUG "Leaving Host AP mode "
2581                                        "for HostScan failed\n");
2582                 }
2583
2584                 if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
2585                                          sizeof(scan_req))) {
2586                         printk(KERN_DEBUG "HOSTSCAN failed\n");
2587                         ret = -EINVAL;
2588                 }
2589                 if (local->iw_mode == IW_MODE_MASTER) {
2590                         wait_queue_t __wait;
2591                         init_waitqueue_entry(&__wait, current);
2592                         add_wait_queue(&local->hostscan_wq, &__wait);
2593                         set_current_state(TASK_INTERRUPTIBLE);
2594                         schedule_timeout(HZ);
2595                         if (signal_pending(current))
2596                                 ret = -EINTR;
2597                         set_current_state(TASK_RUNNING);
2598                         remove_wait_queue(&local->hostscan_wq, &__wait);
2599
2600                         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2601                                             HFA384X_PORTTYPE_HOSTAP) ||
2602                             local->func->reset_port(dev))
2603                                 printk(KERN_DEBUG "Returning to Host AP mode "
2604                                        "after HostScan failed\n");
2605                 }
2606                 break;
2607         }
2608
2609         case PRISM2_PARAM_AP_SCAN:
2610                 local->passive_scan_interval = value;
2611                 if (timer_pending(&local->passive_scan_timer))
2612                         del_timer(&local->passive_scan_timer);
2613                 if (value > 0) {
2614                         local->passive_scan_timer.expires = jiffies +
2615                                 local->passive_scan_interval * HZ;
2616                         add_timer(&local->passive_scan_timer);
2617                 }
2618                 break;
2619
2620         case PRISM2_PARAM_ENH_SEC:
2621                 if (value < 0 || value > 3) {
2622                         ret = -EINVAL;
2623                         break;
2624                 }
2625                 local->enh_sec = value;
2626                 if (hostap_set_word(dev, HFA384X_RID_CNFENHSECURITY,
2627                                     local->enh_sec) ||
2628                     local->func->reset_port(dev)) {
2629                         printk(KERN_INFO "%s: cnfEnhSecurity requires STA f/w "
2630                                "1.6.3 or newer\n", dev->name);
2631                         ret = -EOPNOTSUPP;
2632                 }
2633                 break;
2634
2635 #ifdef PRISM2_IO_DEBUG
2636         case PRISM2_PARAM_IO_DEBUG:
2637                 local->io_debug_enabled = value;
2638                 break;
2639 #endif /* PRISM2_IO_DEBUG */
2640
2641         case PRISM2_PARAM_BASIC_RATES:
2642                 if ((value & local->tx_rate_control) != value || value == 0) {
2643                         printk(KERN_INFO "%s: invalid basic rate set - basic "
2644                                "rates must be in supported rate set\n",
2645                                dev->name);
2646                         ret = -EINVAL;
2647                         break;
2648                 }
2649                 local->basic_rates = value;
2650                 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
2651                                     local->basic_rates) ||
2652                     local->func->reset_port(dev))
2653                         ret = -EINVAL;
2654                 break;
2655
2656         case PRISM2_PARAM_OPER_RATES:
2657                 local->tx_rate_control = value;
2658                 if (hostap_set_rate(dev))
2659                         ret = -EINVAL;
2660                 break;
2661
2662         case PRISM2_PARAM_HOSTAPD:
2663                 ret = hostap_set_hostapd(local, value, 1);
2664                 break;
2665
2666         case PRISM2_PARAM_HOSTAPD_STA:
2667                 ret = hostap_set_hostapd_sta(local, value, 1);
2668                 break;
2669
2670         case PRISM2_PARAM_WPA:
2671                 local->wpa = value;
2672                 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2673                         ret = -EOPNOTSUPP;
2674                 else if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
2675                                          value ? 1 : 0))
2676                         ret = -EINVAL;
2677                 break;
2678
2679         case PRISM2_PARAM_PRIVACY_INVOKED:
2680                 local->privacy_invoked = value;
2681                 if (hostap_set_encryption(local) ||
2682                     local->func->reset_port(dev))
2683                         ret = -EINVAL;
2684                 break;
2685
2686         case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2687                 local->tkip_countermeasures = value;
2688                 break;
2689
2690         case PRISM2_PARAM_DROP_UNENCRYPTED:
2691                 local->drop_unencrypted = value;
2692                 break;
2693
2694         case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2695                 local->scan_channel_mask = value;
2696                 break;
2697
2698         default:
2699                 printk(KERN_DEBUG "%s: prism2_param: unknown param %d\n",
2700                        dev->name, param);
2701                 ret = -EOPNOTSUPP;
2702                 break;
2703         }
2704
2705         return ret;
2706 }
2707
2708
2709 static int prism2_ioctl_priv_get_prism2_param(struct net_device *dev,
2710                                               struct iw_request_info *info,
2711                                               void *wrqu, char *extra)
2712 {
2713         struct hostap_interface *iface;
2714         local_info_t *local;
2715         int *param = (int *) extra;
2716         int ret = 0;
2717
2718         iface = netdev_priv(dev);
2719         local = iface->local;
2720
2721         switch (*param) {
2722         case PRISM2_PARAM_TXRATECTRL:
2723                 *param = local->fw_tx_rate_control;
2724                 break;
2725
2726         case PRISM2_PARAM_BEACON_INT:
2727                 *param = local->beacon_int;
2728                 break;
2729
2730         case PRISM2_PARAM_PSEUDO_IBSS:
2731                 *param = local->pseudo_adhoc;
2732                 break;
2733
2734         case PRISM2_PARAM_ALC:
2735                 ret = -EOPNOTSUPP; /* FIX */
2736                 break;
2737
2738         case PRISM2_PARAM_DUMP:
2739                 *param = local->frame_dump;
2740                 break;
2741
2742         case PRISM2_PARAM_OTHER_AP_POLICY:
2743                 if (local->ap != NULL)
2744                         *param = local->ap->ap_policy;
2745                 else
2746                         ret = -EOPNOTSUPP;
2747                 break;
2748
2749         case PRISM2_PARAM_AP_MAX_INACTIVITY:
2750                 if (local->ap != NULL)
2751                         *param = local->ap->max_inactivity / HZ;
2752                 else
2753                         ret = -EOPNOTSUPP;
2754                 break;
2755
2756         case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2757                 if (local->ap != NULL)
2758                         *param = local->ap->bridge_packets;
2759                 else
2760                         ret = -EOPNOTSUPP;
2761                 break;
2762
2763         case PRISM2_PARAM_DTIM_PERIOD:
2764                 *param = local->dtim_period;
2765                 break;
2766
2767         case PRISM2_PARAM_AP_NULLFUNC_ACK:
2768                 if (local->ap != NULL)
2769                         *param = local->ap->nullfunc_ack;
2770                 else
2771                         ret = -EOPNOTSUPP;
2772                 break;
2773
2774         case PRISM2_PARAM_MAX_WDS:
2775                 *param = local->wds_max_connections;
2776                 break;
2777
2778         case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2779                 if (local->ap != NULL)
2780                         *param = local->ap->autom_ap_wds;
2781                 else
2782                         ret = -EOPNOTSUPP;
2783                 break;
2784
2785         case PRISM2_PARAM_AP_AUTH_ALGS:
2786                 *param = local->auth_algs;
2787                 break;
2788
2789         case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2790                 *param = local->monitor_allow_fcserr;
2791                 break;
2792
2793         case PRISM2_PARAM_HOST_ENCRYPT:
2794                 *param = local->host_encrypt;
2795                 break;
2796
2797         case PRISM2_PARAM_HOST_DECRYPT:
2798                 *param = local->host_decrypt;
2799                 break;
2800
2801         case PRISM2_PARAM_BUS_MASTER_THRESHOLD_RX:
2802                 *param = local->bus_master_threshold_rx;
2803                 break;
2804
2805         case PRISM2_PARAM_BUS_MASTER_THRESHOLD_TX:
2806                 *param = local->bus_master_threshold_tx;
2807                 break;
2808
2809         case PRISM2_PARAM_HOST_ROAMING:
2810                 *param = local->host_roaming;
2811                 break;
2812
2813         case PRISM2_PARAM_BCRX_STA_KEY:
2814                 *param = local->bcrx_sta_key;
2815                 break;
2816
2817         case PRISM2_PARAM_IEEE_802_1X:
2818                 *param = local->ieee_802_1x;
2819                 break;
2820
2821         case PRISM2_PARAM_ANTSEL_TX:
2822                 *param = local->antsel_tx;
2823                 break;
2824
2825         case PRISM2_PARAM_ANTSEL_RX:
2826                 *param = local->antsel_rx;
2827                 break;
2828
2829         case PRISM2_PARAM_MONITOR_TYPE:
2830                 *param = local->monitor_type;
2831                 break;
2832
2833         case PRISM2_PARAM_WDS_TYPE:
2834                 *param = local->wds_type;
2835                 break;
2836
2837         case PRISM2_PARAM_HOSTSCAN:
2838                 ret = -EOPNOTSUPP;
2839                 break;
2840
2841         case PRISM2_PARAM_AP_SCAN:
2842                 *param = local->passive_scan_interval;
2843                 break;
2844
2845         case PRISM2_PARAM_ENH_SEC:
2846                 *param = local->enh_sec;
2847                 break;
2848
2849 #ifdef PRISM2_IO_DEBUG
2850         case PRISM2_PARAM_IO_DEBUG:
2851                 *param = local->io_debug_enabled;
2852                 break;
2853 #endif /* PRISM2_IO_DEBUG */
2854
2855         case PRISM2_PARAM_BASIC_RATES:
2856                 *param = local->basic_rates;
2857                 break;
2858
2859         case PRISM2_PARAM_OPER_RATES:
2860                 *param = local->tx_rate_control;
2861                 break;
2862
2863         case PRISM2_PARAM_HOSTAPD:
2864                 *param = local->hostapd;
2865                 break;
2866
2867         case PRISM2_PARAM_HOSTAPD_STA:
2868                 *param = local->hostapd_sta;
2869                 break;
2870
2871         case PRISM2_PARAM_WPA:
2872                 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2873                         ret = -EOPNOTSUPP;
2874                 *param = local->wpa;
2875                 break;
2876
2877         case PRISM2_PARAM_PRIVACY_INVOKED:
2878                 *param = local->privacy_invoked;
2879                 break;
2880
2881         case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2882                 *param = local->tkip_countermeasures;
2883                 break;
2884
2885         case PRISM2_PARAM_DROP_UNENCRYPTED:
2886                 *param = local->drop_unencrypted;
2887                 break;
2888
2889         case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2890                 *param = local->scan_channel_mask;
2891                 break;
2892
2893         default:
2894                 printk(KERN_DEBUG "%s: get_prism2_param: unknown param %d\n",
2895                        dev->name, *param);
2896                 ret = -EOPNOTSUPP;
2897                 break;
2898         }
2899
2900         return ret;
2901 }
2902
2903
2904 static int prism2_ioctl_priv_readmif(struct net_device *dev,
2905                                      struct iw_request_info *info,
2906                                      void *wrqu, char *extra)
2907 {
2908         struct hostap_interface *iface;
2909         local_info_t *local;
2910         u16 resp0;
2911
2912         iface = netdev_priv(dev);
2913         local = iface->local;
2914
2915         if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF, *extra, NULL,
2916                              &resp0))
2917                 return -EOPNOTSUPP;
2918         else
2919                 *extra = resp0;
2920
2921         return 0;
2922 }
2923
2924
2925 static int prism2_ioctl_priv_writemif(struct net_device *dev,
2926                                       struct iw_request_info *info,
2927                                       void *wrqu, char *extra)
2928 {
2929         struct hostap_interface *iface;
2930         local_info_t *local;
2931         u16 cr, val;
2932
2933         iface = netdev_priv(dev);
2934         local = iface->local;
2935
2936         cr = *extra;
2937         val = *(extra + 1);
2938         if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, cr, &val, NULL))
2939                 return -EOPNOTSUPP;
2940
2941         return 0;
2942 }
2943
2944
2945 static int prism2_ioctl_priv_monitor(struct net_device *dev, int *i)
2946 {
2947         struct hostap_interface *iface;
2948         local_info_t *local;
2949         int ret = 0;
2950         u32 mode;
2951
2952         iface = netdev_priv(dev);
2953         local = iface->local;
2954
2955         printk(KERN_DEBUG "%s: process %d (%s) used deprecated iwpriv monitor "
2956                "- update software to use iwconfig mode monitor\n",
2957                dev->name, current->pid, current->comm);
2958
2959         /* Backward compatibility code - this can be removed at some point */
2960
2961         if (*i == 0) {
2962                 /* Disable monitor mode - old mode was not saved, so go to
2963                  * Master mode */
2964                 mode = IW_MODE_MASTER;
2965                 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2966         } else if (*i == 1) {
2967                 /* netlink socket mode is not supported anymore since it did
2968                  * not separate different devices from each other and was not
2969                  * best method for delivering large amount of packets to
2970                  * user space */
2971                 ret = -EOPNOTSUPP;
2972         } else if (*i == 2 || *i == 3) {
2973                 switch (*i) {
2974                 case 2:
2975                         local->monitor_type = PRISM2_MONITOR_80211;
2976                         break;
2977                 case 3:
2978                         local->monitor_type = PRISM2_MONITOR_PRISM;
2979                         break;
2980                 }
2981                 mode = IW_MODE_MONITOR;
2982                 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2983                 hostap_monitor_mode_enable(local);
2984         } else
2985                 ret = -EINVAL;
2986
2987         return ret;
2988 }
2989
2990
2991 static int prism2_ioctl_priv_reset(struct net_device *dev, int *i)
2992 {
2993         struct hostap_interface *iface;
2994         local_info_t *local;
2995
2996         iface = netdev_priv(dev);
2997         local = iface->local;
2998
2999         printk(KERN_DEBUG "%s: manual reset request(%d)\n", dev->name, *i);
3000         switch (*i) {
3001         case 0:
3002                 /* Disable and enable card */
3003                 local->func->hw_shutdown(dev, 1);
3004                 local->func->hw_config(dev, 0);
3005                 break;
3006
3007         case 1:
3008                 /* COR sreset */
3009                 local->func->hw_reset(dev);
3010                 break;
3011
3012         case 2:
3013                 /* Disable and enable port 0 */
3014                 local->func->reset_port(dev);
3015                 break;
3016
3017         case 3:
3018                 prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING);
3019                 if (local->func->cmd(dev, HFA384X_CMDCODE_DISABLE, 0, NULL,
3020                                      NULL))
3021                         return -EINVAL;
3022                 break;
3023
3024         case 4:
3025                 if (local->func->cmd(dev, HFA384X_CMDCODE_ENABLE, 0, NULL,
3026                                      NULL))
3027                         return -EINVAL;
3028                 break;
3029
3030         default:
3031                 printk(KERN_DEBUG "Unknown reset request %d\n", *i);
3032                 return -EOPNOTSUPP;
3033         }
3034
3035         return 0;
3036 }
3037
3038
3039 static int prism2_ioctl_priv_set_rid_word(struct net_device *dev, int *i)
3040 {
3041         int rid = *i;
3042         int value = *(i + 1);
3043
3044         printk(KERN_DEBUG "%s: Set RID[0x%X] = %d\n", dev->name, rid, value);
3045
3046         if (hostap_set_word(dev, rid, value))
3047                 return -EINVAL;
3048
3049         return 0;
3050 }
3051
3052
3053 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
3054 static int ap_mac_cmd_ioctl(local_info_t *local, int *cmd)
3055 {
3056         int ret = 0;
3057
3058         switch (*cmd) {
3059         case AP_MAC_CMD_POLICY_OPEN:
3060                 local->ap->mac_restrictions.policy = MAC_POLICY_OPEN;
3061                 break;
3062         case AP_MAC_CMD_POLICY_ALLOW:
3063                 local->ap->mac_restrictions.policy = MAC_POLICY_ALLOW;
3064                 break;
3065         case AP_MAC_CMD_POLICY_DENY:
3066                 local->ap->mac_restrictions.policy = MAC_POLICY_DENY;
3067                 break;
3068         case AP_MAC_CMD_FLUSH:
3069                 ap_control_flush_macs(&local->ap->mac_restrictions);
3070                 break;
3071         case AP_MAC_CMD_KICKALL:
3072                 ap_control_kickall(local->ap);
3073                 hostap_deauth_all_stas(local->dev, local->ap, 0);
3074                 break;
3075         default:
3076                 ret = -EOPNOTSUPP;
3077                 break;
3078         }
3079
3080         return ret;
3081 }
3082 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
3083
3084
3085 #ifdef PRISM2_DOWNLOAD_SUPPORT
3086 static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p)
3087 {
3088         struct prism2_download_param *param;
3089         int ret = 0;
3090
3091         if (p->length < sizeof(struct prism2_download_param) ||
3092             p->length > 1024 || !p->pointer)
3093                 return -EINVAL;
3094
3095         param = (struct prism2_download_param *)
3096                 kmalloc(p->length, GFP_KERNEL);
3097         if (param == NULL)
3098                 return -ENOMEM;
3099
3100         if (copy_from_user(param, p->pointer, p->length)) {
3101                 ret = -EFAULT;
3102                 goto out;
3103         }
3104
3105         if (p->length < sizeof(struct prism2_download_param) +
3106             param->num_areas * sizeof(struct prism2_download_area)) {
3107                 ret = -EINVAL;
3108                 goto out;
3109         }
3110
3111         ret = local->func->download(local, param);
3112
3113  out:
3114         if (param != NULL)
3115                 kfree(param);
3116
3117         return ret;
3118 }
3119 #endif /* PRISM2_DOWNLOAD_SUPPORT */
3120
3121
3122 static int prism2_set_genericelement(struct net_device *dev, u8 *elem,
3123                                      size_t len)
3124 {
3125         struct hostap_interface *iface = dev->priv;
3126         local_info_t *local = iface->local;
3127         u8 *buf;
3128
3129         /*
3130          * Add 16-bit length in the beginning of the buffer because Prism2 RID
3131          * includes it.
3132          */
3133         buf = kmalloc(len + 2, GFP_KERNEL);
3134         if (buf == NULL)
3135                 return -ENOMEM;
3136
3137         *((u16 *) buf) = cpu_to_le16(len);
3138         memcpy(buf + 2, elem, len);
3139
3140         kfree(local->generic_elem);
3141         local->generic_elem = buf;
3142         local->generic_elem_len = len + 2;
3143
3144         return local->func->set_rid(local->dev, HFA384X_RID_GENERICELEMENT,
3145                                     buf, len + 2);
3146 }
3147
3148
3149 static int prism2_ioctl_siwauth(struct net_device *dev,
3150                                 struct iw_request_info *info,
3151                                 struct iw_param *data, char *extra)
3152 {
3153         struct hostap_interface *iface = dev->priv;
3154         local_info_t *local = iface->local;
3155
3156         switch (data->flags & IW_AUTH_INDEX) {
3157         case IW_AUTH_WPA_VERSION:
3158         case IW_AUTH_CIPHER_PAIRWISE:
3159         case IW_AUTH_CIPHER_GROUP:
3160         case IW_AUTH_KEY_MGMT:
3161                 /*
3162                  * Host AP driver does not use these parameters and allows
3163                  * wpa_supplicant to control them internally.
3164                  */
3165                 break;
3166         case IW_AUTH_TKIP_COUNTERMEASURES:
3167                 local->tkip_countermeasures = data->value;
3168                 break;
3169         case IW_AUTH_DROP_UNENCRYPTED:
3170                 local->drop_unencrypted = data->value;
3171                 break;
3172         case IW_AUTH_80211_AUTH_ALG:
3173                 local->auth_algs = data->value;
3174                 break;
3175         case IW_AUTH_WPA_ENABLED:
3176                 if (data->value == 0) {
3177                         local->wpa = 0;
3178                         if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3179                                 break;
3180                         prism2_set_genericelement(dev, "", 0);
3181                         local->host_roaming = 0;
3182                         local->privacy_invoked = 0;
3183                         if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
3184                                             0) ||
3185                             hostap_set_roaming(local) ||
3186                             hostap_set_encryption(local) ||
3187                             local->func->reset_port(dev))
3188                                 return -EINVAL;
3189                         break;
3190                 }
3191                 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3192                         return -EOPNOTSUPP;
3193                 local->host_roaming = 2;
3194                 local->privacy_invoked = 1;
3195                 local->wpa = 1;
3196                 if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, 1) ||
3197                     hostap_set_roaming(local) ||
3198                     hostap_set_encryption(local) ||
3199                     local->func->reset_port(dev))
3200                         return -EINVAL;
3201                 break;
3202         case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3203                 local->ieee_802_1x = data->value;
3204                 break;
3205         case IW_AUTH_PRIVACY_INVOKED:
3206                 local->privacy_invoked = data->value;
3207                 break;
3208         default:
3209                 return -EOPNOTSUPP;
3210         }
3211         return 0;
3212 }
3213
3214
3215 static int prism2_ioctl_giwauth(struct net_device *dev,
3216                                 struct iw_request_info *info,
3217                                 struct iw_param *data, char *extra)
3218 {
3219         struct hostap_interface *iface = dev->priv;
3220         local_info_t *local = iface->local;
3221
3222         switch (data->flags & IW_AUTH_INDEX) {
3223         case IW_AUTH_WPA_VERSION:
3224         case IW_AUTH_CIPHER_PAIRWISE:
3225         case IW_AUTH_CIPHER_GROUP:
3226         case IW_AUTH_KEY_MGMT:
3227                 /*
3228                  * Host AP driver does not use these parameters and allows
3229                  * wpa_supplicant to control them internally.
3230                  */
3231                 return -EOPNOTSUPP;
3232         case IW_AUTH_TKIP_COUNTERMEASURES:
3233                 data->value = local->tkip_countermeasures;
3234                 break;
3235         case IW_AUTH_DROP_UNENCRYPTED:
3236                 data->value = local->drop_unencrypted;
3237                 break;
3238         case IW_AUTH_80211_AUTH_ALG:
3239                 data->value = local->auth_algs;
3240                 break;
3241         case IW_AUTH_WPA_ENABLED:
3242                 data->value = local->wpa;
3243                 break;
3244         case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3245                 data->value = local->ieee_802_1x;
3246                 break;
3247         default:
3248                 return -EOPNOTSUPP;
3249         }
3250         return 0;
3251 }
3252
3253
3254 static int prism2_ioctl_siwencodeext(struct net_device *dev,
3255                                      struct iw_request_info *info,
3256                                      struct iw_point *erq, char *extra)
3257 {
3258         struct hostap_interface *iface = dev->priv;
3259         local_info_t *local = iface->local;
3260         struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3261         int i, ret = 0;
3262         struct hostap_crypto_ops *ops;
3263         struct prism2_crypt_data **crypt;
3264         void *sta_ptr;
3265         u8 *addr;
3266         const char *alg, *module;
3267
3268         i = erq->flags & IW_ENCODE_INDEX;
3269         if (i > WEP_KEYS)
3270                 return -EINVAL;
3271         if (i < 1 || i > WEP_KEYS)
3272                 i = local->tx_keyidx;
3273         else
3274                 i--;
3275         if (i < 0 || i >= WEP_KEYS)
3276                 return -EINVAL;
3277
3278         addr = ext->addr.sa_data;
3279         if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
3280             addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
3281                 sta_ptr = NULL;
3282                 crypt = &local->crypt[i];
3283         } else {
3284                 if (i != 0)
3285                         return -EINVAL;
3286                 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3287                 if (sta_ptr == NULL) {
3288                         if (local->iw_mode == IW_MODE_INFRA) {
3289                                 /*
3290                                  * TODO: add STA entry for the current AP so
3291                                  * that unicast key can be used. For now, this
3292                                  * is emulated by using default key idx 0.
3293                                  */
3294                                 i = 0;
3295                                 crypt = &local->crypt[i];
3296                         } else
3297                                 return -EINVAL;
3298                 }
3299         }
3300
3301         if ((erq->flags & IW_ENCODE_DISABLED) ||
3302             ext->alg == IW_ENCODE_ALG_NONE) {
3303                 if (*crypt)
3304                         prism2_crypt_delayed_deinit(local, crypt);
3305                 goto done;
3306         }
3307
3308         switch (ext->alg) {
3309         case IW_ENCODE_ALG_WEP:
3310                 alg = "WEP";
3311                 module = "hostap_crypt_wep";
3312                 break;
3313         case IW_ENCODE_ALG_TKIP:
3314                 alg = "TKIP";
3315                 module = "hostap_crypt_tkip";
3316                 break;
3317         case IW_ENCODE_ALG_CCMP:
3318                 alg = "CCMP";
3319                 module = "hostap_crypt_ccmp";
3320                 break;
3321         default:
3322                 printk(KERN_DEBUG "%s: unsupported algorithm %d\n",
3323                        local->dev->name, ext->alg);
3324                 ret = -EOPNOTSUPP;
3325                 goto done;
3326         }
3327
3328         ops = hostap_get_crypto_ops(alg);
3329         if (ops == NULL) {
3330                 request_module(module);
3331                 ops = hostap_get_crypto_ops(alg);
3332         }
3333         if (ops == NULL) {
3334                 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3335                        local->dev->name, alg);
3336                 ret = -EOPNOTSUPP;
3337                 goto done;
3338         }
3339
3340         if (sta_ptr || ext->alg != IW_ENCODE_ALG_WEP) {
3341                 /*
3342                  * Per station encryption and other than WEP algorithms
3343                  * require host-based encryption, so force them on
3344                  * automatically.
3345                  */
3346                 local->host_decrypt = local->host_encrypt = 1;
3347         }
3348
3349         if (*crypt == NULL || (*crypt)->ops != ops) {
3350                 struct prism2_crypt_data *new_crypt;
3351
3352                 prism2_crypt_delayed_deinit(local, crypt);
3353
3354                 new_crypt = (struct prism2_crypt_data *)
3355                         kmalloc(sizeof(struct prism2_crypt_data), GFP_KERNEL);
3356                 if (new_crypt == NULL) {
3357                         ret = -ENOMEM;
3358                         goto done;
3359                 }
3360                 memset(new_crypt, 0, sizeof(struct prism2_crypt_data));
3361                 new_crypt->ops = ops;
3362                 new_crypt->priv = new_crypt->ops->init(i);
3363                 if (new_crypt->priv == NULL) {
3364                         kfree(new_crypt);
3365                         ret = -EINVAL;
3366                         goto done;
3367                 }
3368
3369                 *crypt = new_crypt;
3370         }
3371
3372         /*
3373          * TODO: if ext_flags does not have IW_ENCODE_EXT_RX_SEQ_VALID, the
3374          * existing seq# should not be changed.
3375          * TODO: if ext_flags has IW_ENCODE_EXT_TX_SEQ_VALID, next TX seq#
3376          * should be changed to something else than zero.
3377          */
3378         if ((!(ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) || ext->key_len > 0)
3379             && (*crypt)->ops->set_key &&
3380             (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
3381                                    (*crypt)->priv) < 0) {
3382                 printk(KERN_DEBUG "%s: key setting failed\n",
3383                        local->dev->name);
3384                 ret = -EINVAL;
3385                 goto done;
3386         }
3387
3388         if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
3389                 if (!sta_ptr)
3390                         local->tx_keyidx = i;
3391                 else if (i) {
3392                         ret = -EINVAL;
3393                         goto done;
3394                 }
3395         }
3396
3397
3398         if (sta_ptr == NULL && ext->key_len > 0) {
3399                 int first = 1, j;
3400                 for (j = 0; j < WEP_KEYS; j++) {
3401                         if (j != i && local->crypt[j]) {
3402                                 first = 0;
3403                                 break;
3404                         }
3405                 }
3406                 if (first)
3407                         local->tx_keyidx = i;
3408         }
3409
3410  done:
3411         if (sta_ptr)
3412                 hostap_handle_sta_release(sta_ptr);
3413
3414         local->open_wep = erq->flags & IW_ENCODE_OPEN;
3415
3416         /*
3417          * Do not reset port0 if card is in Managed mode since resetting will
3418          * generate new IEEE 802.11 authentication which may end up in looping
3419          * with IEEE 802.1X. Prism2 documentation seem to require port reset
3420          * after WEP configuration. However, keys are apparently changed at
3421          * least in Managed mode.
3422          */
3423         if (ret == 0 &&
3424             (hostap_set_encryption(local) ||
3425              (local->iw_mode != IW_MODE_INFRA &&
3426               local->func->reset_port(local->dev))))
3427                 ret = -EINVAL;
3428
3429         return ret;
3430 }
3431
3432
3433 static int prism2_ioctl_giwencodeext(struct net_device *dev,
3434                                      struct iw_request_info *info,
3435                                      struct iw_point *erq, char *extra)
3436 {
3437         struct hostap_interface *iface = dev->priv;
3438         local_info_t *local = iface->local;
3439         struct prism2_crypt_data **crypt;
3440         void *sta_ptr;
3441         int max_key_len, i;
3442         struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3443         u8 *addr;
3444
3445         max_key_len = erq->length - sizeof(*ext);
3446         if (max_key_len < 0)
3447                 return -EINVAL;
3448
3449         i = erq->flags & IW_ENCODE_INDEX;
3450         if (i < 1 || i > WEP_KEYS)
3451                 i = local->tx_keyidx;
3452         else
3453                 i--;
3454
3455         addr = ext->addr.sa_data;
3456         if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
3457             addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
3458                 sta_ptr = NULL;
3459                 crypt = &local->crypt[i];
3460         } else {
3461                 i = 0;
3462                 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3463                 if (sta_ptr == NULL)
3464                         return -EINVAL;
3465         }
3466         erq->flags = i + 1;
3467         memset(ext, 0, sizeof(*ext));
3468
3469         if (*crypt == NULL || (*crypt)->ops == NULL) {
3470                 ext->alg = IW_ENCODE_ALG_NONE;
3471                 ext->key_len = 0;
3472                 erq->flags |= IW_ENCODE_DISABLED;
3473         } else {
3474                 if (strcmp((*crypt)->ops->name, "WEP") == 0)
3475                         ext->alg = IW_ENCODE_ALG_WEP;
3476                 else if (strcmp((*crypt)->ops->name, "TKIP") == 0)
3477                         ext->alg = IW_ENCODE_ALG_TKIP;
3478                 else if (strcmp((*crypt)->ops->name, "CCMP") == 0)
3479                         ext->alg = IW_ENCODE_ALG_CCMP;
3480                 else
3481                         return -EINVAL;
3482
3483                 if ((*crypt)->ops->get_key) {
3484                         ext->key_len =
3485                                 (*crypt)->ops->get_key(ext->key,
3486                                                        max_key_len,
3487                                                        ext->tx_seq,
3488                                                        (*crypt)->priv);
3489                         if (ext->key_len &&
3490                             (ext->alg == IW_ENCODE_ALG_TKIP ||
3491                              ext->alg == IW_ENCODE_ALG_CCMP))
3492                                 ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
3493                 }
3494         }
3495
3496         if (sta_ptr)
3497                 hostap_handle_sta_release(sta_ptr);
3498
3499         return 0;
3500 }
3501
3502
3503 static int prism2_ioctl_set_encryption(local_info_t *local,
3504                                        struct prism2_hostapd_param *param,
3505                                        int param_len)
3506 {
3507         int ret = 0;
3508         struct hostap_crypto_ops *ops;
3509         struct prism2_crypt_data **crypt;
3510         void *sta_ptr;
3511
3512         param->u.crypt.err = 0;
3513         param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0';
3514
3515         if (param_len !=
3516             (int) ((char *) param->u.crypt.key - (char *) param) +
3517             param->u.crypt.key_len)
3518                 return -EINVAL;
3519
3520         if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
3521             param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
3522             param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
3523                 if (param->u.crypt.idx >= WEP_KEYS)
3524                         return -EINVAL;
3525                 sta_ptr = NULL;
3526                 crypt = &local->crypt[param->u.crypt.idx];
3527         } else {
3528                 if (param->u.crypt.idx)
3529                         return -EINVAL;
3530                 sta_ptr = ap_crypt_get_ptrs(
3531                         local->ap, param->sta_addr,
3532                         (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_PERMANENT),
3533                         &crypt);
3534
3535                 if (sta_ptr == NULL) {
3536                         param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3537                         return -EINVAL;
3538                 }
3539         }
3540
3541         if (strcmp(param->u.crypt.alg, "none") == 0) {
3542                 if (crypt)
3543                         prism2_crypt_delayed_deinit(local, crypt);
3544                 goto done;
3545         }
3546
3547         ops = hostap_get_crypto_ops(param->u.crypt.alg);
3548         if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
3549                 request_module("hostap_crypt_wep");
3550                 ops = hostap_get_crypto_ops(param->u.crypt.alg);
3551         } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
3552                 request_module("hostap_crypt_tkip");
3553                 ops = hostap_get_crypto_ops(param->u.crypt.alg);
3554         } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
3555                 request_module("hostap_crypt_ccmp");
3556                 ops = hostap_get_crypto_ops(param->u.crypt.alg);
3557         }
3558         if (ops == NULL) {
3559                 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3560                        local->dev->name, param->u.crypt.alg);
3561                 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ALG;
3562                 ret = -EINVAL;
3563                 goto done;
3564         }
3565
3566         /* station based encryption and other than WEP algorithms require
3567          * host-based encryption, so force them on automatically */
3568         local->host_decrypt = local->host_encrypt = 1;
3569
3570         if (*crypt == NULL || (*crypt)->ops != ops) {
3571                 struct prism2_crypt_data *new_crypt;
3572
3573                 prism2_crypt_delayed_deinit(local, crypt);
3574
3575                 new_crypt = (struct prism2_crypt_data *)
3576                         kmalloc(sizeof(struct prism2_crypt_data), GFP_KERNEL);
3577                 if (new_crypt == NULL) {
3578                         ret = -ENOMEM;
3579                         goto done;
3580                 }
3581                 memset(new_crypt, 0, sizeof(struct prism2_crypt_data));
3582                 new_crypt->ops = ops;
3583                 new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx);
3584                 if (new_crypt->priv == NULL) {
3585                         kfree(new_crypt);
3586                         param->u.crypt.err =
3587                                 HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED;
3588                         ret = -EINVAL;
3589                         goto done;
3590                 }
3591
3592                 *crypt = new_crypt;
3593         }
3594
3595         if ((!(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) ||
3596              param->u.crypt.key_len > 0) && (*crypt)->ops->set_key &&
3597             (*crypt)->ops->set_key(param->u.crypt.key,
3598                                    param->u.crypt.key_len, param->u.crypt.seq,
3599                                    (*crypt)->priv) < 0) {
3600                 printk(KERN_DEBUG "%s: key setting failed\n",
3601                        local->dev->name);
3602                 param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
3603                 ret = -EINVAL;
3604                 goto done;
3605         }
3606
3607         if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
3608                 if (!sta_ptr)
3609                         local->tx_keyidx = param->u.crypt.idx;
3610                 else if (param->u.crypt.idx) {
3611                         printk(KERN_DEBUG "%s: TX key idx setting failed\n",
3612                                local->dev->name);
3613                         param->u.crypt.err =
3614                                 HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED;
3615                         ret = -EINVAL;
3616                         goto done;
3617                 }
3618         }
3619
3620  done:
3621         if (sta_ptr)
3622                 hostap_handle_sta_release(sta_ptr);
3623
3624         /* Do not reset port0 if card is in Managed mode since resetting will
3625          * generate new IEEE 802.11 authentication which may end up in looping
3626          * with IEEE 802.1X. Prism2 documentation seem to require port reset
3627          * after WEP configuration. However, keys are apparently changed at
3628          * least in Managed mode. */
3629         if (ret == 0 &&
3630             (hostap_set_encryption(local) ||
3631              (local->iw_mode != IW_MODE_INFRA &&
3632               local->func->reset_port(local->dev)))) {
3633                 param->u.crypt.err = HOSTAP_CRYPT_ERR_CARD_CONF_FAILED;
3634                 return -EINVAL;
3635         }
3636
3637         return ret;
3638 }
3639
3640
3641 static int prism2_ioctl_get_encryption(local_info_t *local,
3642                                        struct prism2_hostapd_param *param,
3643                                        int param_len)
3644 {
3645         struct prism2_crypt_data **crypt;
3646         void *sta_ptr;
3647         int max_key_len;
3648
3649         param->u.crypt.err = 0;
3650
3651         max_key_len = param_len -
3652                 (int) ((char *) param->u.crypt.key - (char *) param);
3653         if (max_key_len < 0)
3654                 return -EINVAL;
3655
3656         if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
3657             param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
3658             param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
3659                 sta_ptr = NULL;
3660                 if (param->u.crypt.idx >= WEP_KEYS)
3661                         param->u.crypt.idx = local->tx_keyidx;
3662                 crypt = &local->crypt[param->u.crypt.idx];
3663         } else {
3664                 param->u.crypt.idx = 0;
3665                 sta_ptr = ap_crypt_get_ptrs(local->ap, param->sta_addr, 0,
3666                                             &crypt);
3667
3668                 if (sta_ptr == NULL) {
3669                         param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3670                         return -EINVAL;
3671                 }
3672         }
3673
3674         if (*crypt == NULL || (*crypt)->ops == NULL) {
3675                 memcpy(param->u.crypt.alg, "none", 5);
3676                 param->u.crypt.key_len = 0;
3677                 param->u.crypt.idx = 0xff;
3678         } else {
3679                 strncpy(param->u.crypt.alg, (*crypt)->ops->name,
3680                         HOSTAP_CRYPT_ALG_NAME_LEN);
3681                 param->u.crypt.key_len = 0;
3682
3683                 memset(param->u.crypt.seq, 0, 8);
3684                 if ((*crypt)->ops->get_key) {
3685                         param->u.crypt.key_len =
3686                                 (*crypt)->ops->get_key(param->u.crypt.key,
3687                                                        max_key_len,
3688                                                        param->u.crypt.seq,
3689                                                        (*crypt)->priv);
3690                 }
3691         }
3692
3693         if (sta_ptr)
3694                 hostap_handle_sta_release(sta_ptr);
3695
3696         return 0;
3697 }
3698
3699
3700 static int prism2_ioctl_get_rid(local_info_t *local,
3701                                 struct prism2_hostapd_param *param,
3702                                 int param_len)
3703 {
3704         int max_len, res;
3705
3706         max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3707         if (max_len < 0)
3708                 return -EINVAL;
3709
3710         res = local->func->get_rid(local->dev, param->u.rid.rid,
3711                                    param->u.rid.data, param->u.rid.len, 0);
3712         if (res >= 0) {
3713                 param->u.rid.len = res;
3714                 return 0;
3715         }
3716
3717         return res;
3718 }
3719
3720
3721 static int prism2_ioctl_set_rid(local_info_t *local,
3722                                 struct prism2_hostapd_param *param,
3723                                 int param_len)
3724 {
3725         int max_len;
3726
3727         max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3728         if (max_len < 0 || max_len < param->u.rid.len)
3729                 return -EINVAL;
3730
3731         return local->func->set_rid(local->dev, param->u.rid.rid,
3732                                     param->u.rid.data, param->u.rid.len);
3733 }
3734
3735
3736 static int prism2_ioctl_set_assoc_ap_addr(local_info_t *local,
3737                                           struct prism2_hostapd_param *param,
3738                                           int param_len)
3739 {
3740         printk(KERN_DEBUG "%ssta: associated as client with AP " MACSTR "\n",
3741                local->dev->name, MAC2STR(param->sta_addr));
3742         memcpy(local->assoc_ap_addr, param->sta_addr, ETH_ALEN);
3743         return 0;
3744 }
3745
3746
3747 static int prism2_ioctl_siwgenie(struct net_device *dev,
3748                                  struct iw_request_info *info,
3749                                  struct iw_point *data, char *extra)
3750 {
3751         return prism2_set_genericelement(dev, extra, data->length);
3752 }
3753
3754
3755 static int prism2_ioctl_giwgenie(struct net_device *dev,
3756                                  struct iw_request_info *info,
3757                                  struct iw_point *data, char *extra)
3758 {
3759         struct hostap_interface *iface = dev->priv;
3760         local_info_t *local = iface->local;
3761         int len = local->generic_elem_len - 2;
3762
3763         if (len <= 0 || local->generic_elem == NULL) {
3764                 data->length = 0;
3765                 return 0;
3766         }
3767
3768         if (data->length < len)
3769                 return -E2BIG;
3770
3771         data->length = len;
3772         memcpy(extra, local->generic_elem + 2, len);
3773
3774         return 0;
3775 }
3776
3777
3778 static int prism2_ioctl_set_generic_element(local_info_t *local,
3779                                             struct prism2_hostapd_param *param,
3780                                             int param_len)
3781 {
3782         int max_len, len;
3783
3784         len = param->u.generic_elem.len;
3785         max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN;
3786         if (max_len < 0 || max_len < len)
3787                 return -EINVAL;
3788
3789         return prism2_set_genericelement(local->dev,
3790                                          param->u.generic_elem.data, len);
3791 }
3792
3793
3794 static int prism2_ioctl_siwmlme(struct net_device *dev,
3795                                 struct iw_request_info *info,
3796                                 struct iw_point *data, char *extra)
3797 {
3798         struct hostap_interface *iface = dev->priv;
3799         local_info_t *local = iface->local;
3800         struct iw_mlme *mlme = (struct iw_mlme *) extra;
3801         u16 reason;
3802
3803         reason = cpu_to_le16(mlme->reason_code);
3804
3805         switch (mlme->cmd) {
3806         case IW_MLME_DEAUTH:
3807                 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3808                                             WLAN_FC_STYPE_DEAUTH,
3809                                             (u8 *) &reason, 2);
3810         case IW_MLME_DISASSOC:
3811                 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3812                                             WLAN_FC_STYPE_DISASSOC,
3813                                             (u8 *) &reason, 2);
3814         default:
3815                 return -EOPNOTSUPP;
3816         }
3817 }
3818
3819
3820 static int prism2_ioctl_mlme(local_info_t *local,
3821                              struct prism2_hostapd_param *param)
3822 {
3823         u16 reason;
3824
3825         reason = cpu_to_le16(param->u.mlme.reason_code);
3826         switch (param->u.mlme.cmd) {
3827         case MLME_STA_DEAUTH:
3828                 return prism2_sta_send_mgmt(local, param->sta_addr,
3829                                             WLAN_FC_STYPE_DEAUTH,
3830                                             (u8 *) &reason, 2);
3831         case MLME_STA_DISASSOC:
3832                 return prism2_sta_send_mgmt(local, param->sta_addr,
3833                                             WLAN_FC_STYPE_DISASSOC,
3834                                             (u8 *) &reason, 2);
3835         default:
3836                 return -EOPNOTSUPP;
3837         }
3838 }
3839
3840
3841 static int prism2_ioctl_scan_req(local_info_t *local,
3842                                  struct prism2_hostapd_param *param)
3843 {
3844 #ifndef PRISM2_NO_STATION_MODES
3845         if ((local->iw_mode != IW_MODE_INFRA &&
3846              local->iw_mode != IW_MODE_ADHOC) ||
3847             (local->sta_fw_ver < PRISM2_FW_VER(1,3,1)))
3848                 return -EOPNOTSUPP;
3849
3850         if (!local->dev_enabled)
3851                 return -ENETDOWN;
3852
3853         return prism2_request_hostscan(local->dev, param->u.scan_req.ssid,
3854                                        param->u.scan_req.ssid_len);
3855 #else /* PRISM2_NO_STATION_MODES */
3856         return -EOPNOTSUPP;
3857 #endif /* PRISM2_NO_STATION_MODES */
3858 }
3859
3860
3861 static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p)
3862 {
3863         struct prism2_hostapd_param *param;
3864         int ret = 0;
3865         int ap_ioctl = 0;
3866
3867         if (p->length < sizeof(struct prism2_hostapd_param) ||
3868             p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
3869                 return -EINVAL;
3870
3871         param = (struct prism2_hostapd_param *) kmalloc(p->length, GFP_KERNEL);
3872         if (param == NULL)
3873                 return -ENOMEM;
3874
3875         if (copy_from_user(param, p->pointer, p->length)) {
3876                 ret = -EFAULT;
3877                 goto out;
3878         }
3879
3880         switch (param->cmd) {
3881         case PRISM2_SET_ENCRYPTION:
3882                 ret = prism2_ioctl_set_encryption(local, param, p->length);
3883                 break;
3884         case PRISM2_GET_ENCRYPTION:
3885                 ret = prism2_ioctl_get_encryption(local, param, p->length);
3886                 break;
3887         case PRISM2_HOSTAPD_GET_RID:
3888                 ret = prism2_ioctl_get_rid(local, param, p->length);
3889                 break;
3890         case PRISM2_HOSTAPD_SET_RID:
3891                 ret = prism2_ioctl_set_rid(local, param, p->length);
3892                 break;
3893         case PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR:
3894                 ret = prism2_ioctl_set_assoc_ap_addr(local, param, p->length);
3895                 break;
3896         case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT:
3897                 ret = prism2_ioctl_set_generic_element(local, param,
3898                                                        p->length);
3899                 break;
3900         case PRISM2_HOSTAPD_MLME:
3901                 ret = prism2_ioctl_mlme(local, param);
3902                 break;
3903         case PRISM2_HOSTAPD_SCAN_REQ:
3904                 ret = prism2_ioctl_scan_req(local, param);
3905                 break;
3906         default:
3907                 ret = prism2_hostapd(local->ap, param);
3908                 ap_ioctl = 1;
3909                 break;
3910         }
3911
3912         if (ret == 1 || !ap_ioctl) {
3913                 if (copy_to_user(p->pointer, param, p->length)) {
3914                         ret = -EFAULT;
3915                         goto out;
3916                 } else if (ap_ioctl)
3917                         ret = 0;
3918         }
3919
3920  out:
3921         if (param != NULL)
3922                 kfree(param);
3923
3924         return ret;
3925 }
3926
3927
3928 static void prism2_get_drvinfo(struct net_device *dev,
3929                                struct ethtool_drvinfo *info)
3930 {
3931         struct hostap_interface *iface;
3932         local_info_t *local;
3933
3934         iface = netdev_priv(dev);
3935         local = iface->local;
3936
3937         strncpy(info->driver, "hostap", sizeof(info->driver) - 1);
3938         strncpy(info->version, PRISM2_VERSION,
3939                 sizeof(info->version) - 1);
3940         snprintf(info->fw_version, sizeof(info->fw_version) - 1,
3941                  "%d.%d.%d", (local->sta_fw_ver >> 16) & 0xff,
3942                  (local->sta_fw_ver >> 8) & 0xff,
3943                  local->sta_fw_ver & 0xff);
3944 }
3945
3946 static struct ethtool_ops prism2_ethtool_ops = {
3947         .get_drvinfo = prism2_get_drvinfo
3948 };
3949
3950
3951 /* Structures to export the Wireless Handlers */
3952
3953 static const iw_handler prism2_handler[] =
3954 {
3955         (iw_handler) NULL,                              /* SIOCSIWCOMMIT */
3956         (iw_handler) prism2_get_name,                   /* SIOCGIWNAME */
3957         (iw_handler) NULL,                              /* SIOCSIWNWID */
3958         (iw_handler) NULL,                              /* SIOCGIWNWID */
3959         (iw_handler) prism2_ioctl_siwfreq,              /* SIOCSIWFREQ */
3960         (iw_handler) prism2_ioctl_giwfreq,              /* SIOCGIWFREQ */
3961         (iw_handler) prism2_ioctl_siwmode,              /* SIOCSIWMODE */
3962         (iw_handler) prism2_ioctl_giwmode,              /* SIOCGIWMODE */
3963         (iw_handler) prism2_ioctl_siwsens,              /* SIOCSIWSENS */
3964         (iw_handler) prism2_ioctl_giwsens,              /* SIOCGIWSENS */
3965         (iw_handler) NULL /* not used */,               /* SIOCSIWRANGE */
3966         (iw_handler) prism2_ioctl_giwrange,             /* SIOCGIWRANGE */
3967         (iw_handler) NULL /* not used */,               /* SIOCSIWPRIV */
3968         (iw_handler) NULL /* kernel code */,            /* SIOCGIWPRIV */
3969         (iw_handler) NULL /* not used */,               /* SIOCSIWSTATS */
3970         (iw_handler) NULL /* kernel code */,            /* SIOCGIWSTATS */
3971         iw_handler_set_spy,                             /* SIOCSIWSPY */
3972         iw_handler_get_spy,                             /* SIOCGIWSPY */
3973         iw_handler_set_thrspy,                          /* SIOCSIWTHRSPY */
3974         iw_handler_get_thrspy,                          /* SIOCGIWTHRSPY */
3975         (iw_handler) prism2_ioctl_siwap,                /* SIOCSIWAP */
3976         (iw_handler) prism2_ioctl_giwap,                /* SIOCGIWAP */
3977         (iw_handler) prism2_ioctl_siwmlme,              /* SIOCSIWMLME */
3978         (iw_handler) prism2_ioctl_giwaplist,            /* SIOCGIWAPLIST */
3979         (iw_handler) prism2_ioctl_siwscan,              /* SIOCSIWSCAN */
3980         (iw_handler) prism2_ioctl_giwscan,              /* SIOCGIWSCAN */
3981         (iw_handler) prism2_ioctl_siwessid,             /* SIOCSIWESSID */
3982         (iw_handler) prism2_ioctl_giwessid,             /* SIOCGIWESSID */
3983         (iw_handler) prism2_ioctl_siwnickn,             /* SIOCSIWNICKN */
3984         (iw_handler) prism2_ioctl_giwnickn,             /* SIOCGIWNICKN */
3985         (iw_handler) NULL,                              /* -- hole -- */
3986         (iw_handler) NULL,                              /* -- hole -- */
3987         (iw_handler) prism2_ioctl_siwrate,              /* SIOCSIWRATE */
3988         (iw_handler) prism2_ioctl_giwrate,              /* SIOCGIWRATE */
3989         (iw_handler) prism2_ioctl_siwrts,               /* SIOCSIWRTS */
3990         (iw_handler) prism2_ioctl_giwrts,               /* SIOCGIWRTS */
3991         (iw_handler) prism2_ioctl_siwfrag,              /* SIOCSIWFRAG */
3992         (iw_handler) prism2_ioctl_giwfrag,              /* SIOCGIWFRAG */
3993         (iw_handler) prism2_ioctl_siwtxpow,             /* SIOCSIWTXPOW */
3994         (iw_handler) prism2_ioctl_giwtxpow,             /* SIOCGIWTXPOW */
3995         (iw_handler) prism2_ioctl_siwretry,             /* SIOCSIWRETRY */
3996         (iw_handler) prism2_ioctl_giwretry,             /* SIOCGIWRETRY */
3997         (iw_handler) prism2_ioctl_siwencode,            /* SIOCSIWENCODE */
3998         (iw_handler) prism2_ioctl_giwencode,            /* SIOCGIWENCODE */
3999         (iw_handler) prism2_ioctl_siwpower,             /* SIOCSIWPOWER */
4000         (iw_handler) prism2_ioctl_giwpower,             /* SIOCGIWPOWER */
4001         (iw_handler) NULL,                              /* -- hole -- */
4002         (iw_handler) NULL,                              /* -- hole -- */
4003         (iw_handler) prism2_ioctl_siwgenie,             /* SIOCSIWGENIE */
4004         (iw_handler) prism2_ioctl_giwgenie,             /* SIOCGIWGENIE */
4005         (iw_handler) prism2_ioctl_siwauth,              /* SIOCSIWAUTH */
4006         (iw_handler) prism2_ioctl_giwauth,              /* SIOCGIWAUTH */
4007         (iw_handler) prism2_ioctl_siwencodeext,         /* SIOCSIWENCODEEXT */
4008         (iw_handler) prism2_ioctl_giwencodeext,         /* SIOCGIWENCODEEXT */
4009         (iw_handler) NULL,                              /* SIOCSIWPMKSA */
4010         (iw_handler) NULL,                              /* -- hole -- */
4011 };
4012
4013 static const iw_handler prism2_private_handler[] =
4014 {                                                       /* SIOCIWFIRSTPRIV + */
4015         (iw_handler) prism2_ioctl_priv_prism2_param,    /* 0 */
4016         (iw_handler) prism2_ioctl_priv_get_prism2_param, /* 1 */
4017         (iw_handler) prism2_ioctl_priv_writemif,        /* 2 */
4018         (iw_handler) prism2_ioctl_priv_readmif,         /* 3 */
4019 };
4020
4021 static const struct iw_handler_def hostap_iw_handler_def =
4022 {
4023         .num_standard   = sizeof(prism2_handler) / sizeof(iw_handler),
4024         .num_private    = sizeof(prism2_private_handler) / sizeof(iw_handler),
4025         .num_private_args = sizeof(prism2_priv) / sizeof(struct iw_priv_args),
4026         .standard       = (iw_handler *) prism2_handler,
4027         .private        = (iw_handler *) prism2_private_handler,
4028         .private_args   = (struct iw_priv_args *) prism2_priv,
4029         .get_wireless_stats = hostap_get_wireless_stats,
4030 };
4031
4032
4033 int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
4034 {
4035         struct iwreq *wrq = (struct iwreq *) ifr;
4036         struct hostap_interface *iface;
4037         local_info_t *local;
4038         int ret = 0;
4039
4040         iface = netdev_priv(dev);
4041         local = iface->local;
4042
4043         switch (cmd) {
4044                 /* Private ioctls (iwpriv) that have not yet been converted
4045                  * into new wireless extensions API */
4046
4047         case PRISM2_IOCTL_INQUIRE:
4048                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4049                 else ret = prism2_ioctl_priv_inquire(dev, (int *) wrq->u.name);
4050                 break;
4051
4052         case PRISM2_IOCTL_MONITOR:
4053                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4054                 else ret = prism2_ioctl_priv_monitor(dev, (int *) wrq->u.name);
4055                 break;
4056
4057         case PRISM2_IOCTL_RESET:
4058                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4059                 else ret = prism2_ioctl_priv_reset(dev, (int *) wrq->u.name);
4060                 break;
4061
4062         case PRISM2_IOCTL_WDS_ADD:
4063                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4064                 else ret = prism2_wds_add(local, wrq->u.ap_addr.sa_data, 1);
4065                 break;
4066
4067         case PRISM2_IOCTL_WDS_DEL:
4068                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4069                 else ret = prism2_wds_del(local, wrq->u.ap_addr.sa_data, 1, 0);
4070                 break;
4071
4072         case PRISM2_IOCTL_SET_RID_WORD:
4073                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4074                 else ret = prism2_ioctl_priv_set_rid_word(dev,
4075                                                           (int *) wrq->u.name);
4076                 break;
4077
4078 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
4079         case PRISM2_IOCTL_MACCMD:
4080                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4081                 else ret = ap_mac_cmd_ioctl(local, (int *) wrq->u.name);
4082                 break;
4083
4084         case PRISM2_IOCTL_ADDMAC:
4085                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4086                 else ret = ap_control_add_mac(&local->ap->mac_restrictions,
4087                                               wrq->u.ap_addr.sa_data);
4088                 break;
4089         case PRISM2_IOCTL_DELMAC:
4090                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4091                 else ret = ap_control_del_mac(&local->ap->mac_restrictions,
4092                                               wrq->u.ap_addr.sa_data);
4093                 break;
4094         case PRISM2_IOCTL_KICKMAC:
4095                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4096                 else ret = ap_control_kick_mac(local->ap, local->dev,
4097                                                wrq->u.ap_addr.sa_data);
4098                 break;
4099 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
4100
4101
4102                 /* Private ioctls that are not used with iwpriv;
4103                  * in SIOCDEVPRIVATE range */
4104
4105 #ifdef PRISM2_DOWNLOAD_SUPPORT
4106         case PRISM2_IOCTL_DOWNLOAD:
4107                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4108                 else ret = prism2_ioctl_priv_download(local, &wrq->u.data);
4109                 break;
4110 #endif /* PRISM2_DOWNLOAD_SUPPORT */
4111
4112         case PRISM2_IOCTL_HOSTAPD:
4113                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4114                 else ret = prism2_ioctl_priv_hostapd(local, &wrq->u.data);
4115                 break;
4116
4117         default:
4118                 ret = -EOPNOTSUPP;
4119                 break;
4120         }
4121
4122         return ret;
4123 }