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 ieee80211_crypt_data **crypt)
 119 {
 120         struct ieee80211_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 ieee80211_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 ieee80211_crypt_data *new_crypt;
 179
 180                 /* take WEP into use */
 181                 new_crypt = (struct ieee80211_crypt_data *)
 182                         kmalloc(sizeof(struct ieee80211_crypt_data),
 183                                 GFP_KERNEL);
 184                 if (new_crypt == NULL)
 185                         return -ENOMEM;
 186                 memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
 187                 new_crypt->ops = ieee80211_get_crypto_ops("WEP");
 188                 if (!new_crypt->ops) {
 189                         request_module("ieee80211_crypt_wep");
 190                         new_crypt->ops = ieee80211_get_crypto_ops("WEP");
 191                 }
 192                 if (new_crypt->ops)
 193                         new_crypt->priv = new_crypt->ops->init(i);
 194                 if (!new_crypt->ops || !new_crypt->priv) {
 195                         kfree(new_crypt);
 196                         new_crypt = NULL;
 197
 198                         printk(KERN_WARNING "%s: could not initialize WEP: "
 199                                "load module hostap_crypt_wep.o\n",
 200                                dev->name);
 201                         return -EOPNOTSUPP;
 202                 }
 203                 *crypt = new_crypt;
 204         }
 205
 206         if (erq->length > 0) {
 207                 int len = erq->length <= 5 ? 5 : 13;
 208                 int first = 1, j;
 209                 if (len > erq->length)
 210                         memset(keybuf + erq->length, 0, len - erq->length);
 211                 (*crypt)->ops->set_key(keybuf, len, NULL, (*crypt)->priv);
 212                 for (j = 0; j < WEP_KEYS; j++) {
 213                         if (j != i && local->crypt[j]) {
 214                                 first = 0;
 215                                 break;
 216                         }
 217                 }
 218                 if (first)
 219                         local->tx_keyidx = i;
 220         } else {
 221                 /* No key data - just set the default TX key index */
 222                 local->tx_keyidx = i;
 223         }
 224
 225  done:
 226         local->open_wep = erq->flags & IW_ENCODE_OPEN;
 227
 228         if (hostap_set_encryption(local)) {
 229                 printk(KERN_DEBUG "%s: set_encryption failed\n", dev->name);
 230                 return -EINVAL;
 231         }
 232
 233         /* Do not reset port0 if card is in Managed mode since resetting will
 234          * generate new IEEE 802.11 authentication which may end up in looping
 235          * with IEEE 802.1X. Prism2 documentation seem to require port reset
 236          * after WEP configuration. However, keys are apparently changed at
 237          * least in Managed mode. */
 238         if (local->iw_mode != IW_MODE_INFRA && local->func->reset_port(dev)) {
 239                 printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
 240                 return -EINVAL;
 241         }
 242
 243         return 0;
 244 }
 245
 246
 247 static int prism2_ioctl_giwencode(struct net_device *dev,
 248                                   struct iw_request_info *info,
 249                                   struct iw_point *erq, char *key)
 250 {
 251         struct hostap_interface *iface;
 252         local_info_t *local;
 253         int i, len;
 254         u16 val;
 255         struct ieee80211_crypt_data *crypt;
 256
 257         iface = netdev_priv(dev);
 258         local = iface->local;
 259
 260         i = erq->flags & IW_ENCODE_INDEX;
 261         if (i < 1 || i > 4)
 262                 i = local->tx_keyidx;
 263         else
 264                 i--;
 265         if (i < 0 || i >= WEP_KEYS)
 266                 return -EINVAL;
 267
 268         crypt = local->crypt[i];
 269         erq->flags = i + 1;
 270
 271         if (crypt == NULL || crypt->ops == NULL) {
 272                 erq->length = 0;
 273                 erq->flags |= IW_ENCODE_DISABLED;
 274                 return 0;
 275         }
 276
 277         if (strcmp(crypt->ops->name, "WEP") != 0) {
 278                 /* only WEP is supported with wireless extensions, so just
 279                  * report that encryption is used */
 280                 erq->length = 0;
 281                 erq->flags |= IW_ENCODE_ENABLED;
 282                 return 0;
 283         }
 284
 285         /* Reads from HFA384X_RID_CNFDEFAULTKEY* return bogus values, so show
 286          * the keys from driver buffer */
 287         len = crypt->ops->get_key(key, WEP_KEY_LEN, NULL, crypt->priv);
 288         erq->length = (len >= 0 ? len : 0);
 289
 290         if (local->func->get_rid(dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, 1) < 0)
 291         {
 292                 printk("CNFWEPFLAGS reading failed\n");
 293                 return -EOPNOTSUPP;
 294         }
 295         le16_to_cpus(&val);
 296         if (val & HFA384X_WEPFLAGS_PRIVACYINVOKED)
 297                 erq->flags |= IW_ENCODE_ENABLED;
 298         else
 299                 erq->flags |= IW_ENCODE_DISABLED;
 300         if (val & HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED)
 301                 erq->flags |= IW_ENCODE_RESTRICTED;
 302         else
 303                 erq->flags |= IW_ENCODE_OPEN;
 304
 305         return 0;
 306 }
 307
 308
 309 static int hostap_set_rate(struct net_device *dev)
 310 {
 311         struct hostap_interface *iface;
 312         local_info_t *local;
 313         int ret, basic_rates;
 314
 315         iface = netdev_priv(dev);
 316         local = iface->local;
 317
 318         basic_rates = local->basic_rates & local->tx_rate_control;
 319         if (!basic_rates || basic_rates != local->basic_rates) {
 320                 printk(KERN_INFO "%s: updating basic rate set automatically "
 321                        "to match with the new supported rate set\n",
 322                        dev->name);
 323                 if (!basic_rates)
 324                         basic_rates = local->tx_rate_control;
 325
 326                 local->basic_rates = basic_rates;
 327                 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
 328                                     basic_rates))
 329                         printk(KERN_WARNING "%s: failed to set "
 330                                "cnfBasicRates\n", dev->name);
 331         }
 332
 333         ret = (hostap_set_word(dev, HFA384X_RID_TXRATECONTROL,
 334                                local->tx_rate_control) ||
 335                hostap_set_word(dev, HFA384X_RID_CNFSUPPORTEDRATES,
 336                                local->tx_rate_control) ||
 337                local->func->reset_port(dev));
 338
 339         if (ret) {
 340                 printk(KERN_WARNING "%s: TXRateControl/cnfSupportedRates "
 341                        "setting to 0x%x failed\n",
 342                        dev->name, local->tx_rate_control);
 343         }
 344
 345         /* Update TX rate configuration for all STAs based on new operational
 346          * rate set. */
 347         hostap_update_rates(local);
 348
 349         return ret;
 350 }
 351
 352
 353 static int prism2_ioctl_siwrate(struct net_device *dev,
 354                                 struct iw_request_info *info,
 355                                 struct iw_param *rrq, char *extra)
 356 {
 357         struct hostap_interface *iface;
 358         local_info_t *local;
 359
 360         iface = netdev_priv(dev);
 361         local = iface->local;
 362
 363         if (rrq->fixed) {
 364                 switch (rrq->value) {
 365                 case 11000000:
 366                         local->tx_rate_control = HFA384X_RATES_11MBPS;
 367                         break;
 368                 case 5500000:
 369                         local->tx_rate_control = HFA384X_RATES_5MBPS;
 370                         break;
 371                 case 2000000:
 372                         local->tx_rate_control = HFA384X_RATES_2MBPS;
 373                         break;
 374                 case 1000000:
 375                         local->tx_rate_control = HFA384X_RATES_1MBPS;
 376                         break;
 377                 default:
 378                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 379                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
 380                                 HFA384X_RATES_11MBPS;
 381                         break;
 382                 }
 383         } else {
 384                 switch (rrq->value) {
 385                 case 11000000:
 386                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 387                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
 388                                 HFA384X_RATES_11MBPS;
 389                         break;
 390                 case 5500000:
 391                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 392                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS;
 393                         break;
 394                 case 2000000:
 395                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 396                                 HFA384X_RATES_2MBPS;
 397                         break;
 398                 case 1000000:
 399                         local->tx_rate_control = HFA384X_RATES_1MBPS;
 400                         break;
 401                 default:
 402                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 403                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
 404                                 HFA384X_RATES_11MBPS;
 405                         break;
 406                 }
 407         }
 408
 409         return hostap_set_rate(dev);
 410 }
 411
 412
 413 static int prism2_ioctl_giwrate(struct net_device *dev,
 414                                 struct iw_request_info *info,
 415                                 struct iw_param *rrq, char *extra)
 416 {
 417         u16 val;
 418         struct hostap_interface *iface;
 419         local_info_t *local;
 420         int ret = 0;
 421
 422         iface = netdev_priv(dev);
 423         local = iface->local;
 424
 425         if (local->func->get_rid(dev, HFA384X_RID_TXRATECONTROL, &val, 2, 1) <
 426             0)
 427                 return -EINVAL;
 428
 429         if ((val & 0x1) && (val > 1))
 430                 rrq->fixed = 0;
 431         else
 432                 rrq->fixed = 1;
 433
 434         if (local->iw_mode == IW_MODE_MASTER && local->ap != NULL &&
 435             !local->fw_tx_rate_control) {
 436                 /* HFA384X_RID_CURRENTTXRATE seems to always be 2 Mbps in
 437                  * Host AP mode, so use the recorded TX rate of the last sent
 438                  * frame */
 439                 rrq->value = local->ap->last_tx_rate > 0 ?
 440                         local->ap->last_tx_rate * 100000 : 11000000;
 441                 return 0;
 442         }
 443
 444         if (local->func->get_rid(dev, HFA384X_RID_CURRENTTXRATE, &val, 2, 1) <
 445             0)
 446                 return -EINVAL;
 447
 448         switch (val) {
 449         case HFA384X_RATES_1MBPS:
 450                 rrq->value = 1000000;
 451                 break;
 452         case HFA384X_RATES_2MBPS:
 453                 rrq->value = 2000000;
 454                 break;
 455         case HFA384X_RATES_5MBPS:
 456                 rrq->value = 5500000;
 457                 break;
 458         case HFA384X_RATES_11MBPS:
 459                 rrq->value = 11000000;
 460                 break;
 461         default:
 462                 /* should not happen */
 463                 rrq->value = 11000000;
 464                 ret = -EINVAL;
 465                 break;
 466         }
 467
 468         return ret;
 469 }
 470
 471
 472 static int prism2_ioctl_siwsens(struct net_device *dev,
 473                                 struct iw_request_info *info,
 474                                 struct iw_param *sens, char *extra)
 475 {
 476         struct hostap_interface *iface;
 477         local_info_t *local;
 478
 479         iface = netdev_priv(dev);
 480         local = iface->local;
 481
 482         /* Set the desired AP density */
 483         if (sens->value < 1 || sens->value > 3)
 484                 return -EINVAL;
 485
 486         if (hostap_set_word(dev, HFA384X_RID_CNFSYSTEMSCALE, sens->value) ||
 487             local->func->reset_port(dev))
 488                 return -EINVAL;
 489
 490         return 0;
 491 }
 492
 493 static int prism2_ioctl_giwsens(struct net_device *dev,
 494                                 struct iw_request_info *info,
 495                                 struct iw_param *sens, char *extra)
 496 {
 497         struct hostap_interface *iface;
 498         local_info_t *local;
 499         u16 val;
 500
 501         iface = netdev_priv(dev);
 502         local = iface->local;
 503
 504         /* Get the current AP density */
 505         if (local->func->get_rid(dev, HFA384X_RID_CNFSYSTEMSCALE, &val, 2, 1) <
 506             0)
 507                 return -EINVAL;
 508
 509         sens->value = __le16_to_cpu(val);
 510         sens->fixed = 1;
 511
 512         return 0;
 513 }
 514
 515
 516 /* Deprecated in new wireless extension API */
 517 static int prism2_ioctl_giwaplist(struct net_device *dev,
 518                                   struct iw_request_info *info,
 519                                   struct iw_point *data, char *extra)
 520 {
 521         struct hostap_interface *iface;
 522         local_info_t *local;
 523         struct sockaddr *addr;
 524         struct iw_quality *qual;
 525
 526         iface = netdev_priv(dev);
 527         local = iface->local;
 528
 529         if (local->iw_mode != IW_MODE_MASTER) {
 530                 printk(KERN_DEBUG "SIOCGIWAPLIST is currently only supported "
 531                        "in Host AP mode\n");
 532                 data->length = 0;
 533                 return -EOPNOTSUPP;
 534         }
 535
 536         addr = kmalloc(sizeof(struct sockaddr) * IW_MAX_AP, GFP_KERNEL);
 537         qual = kmalloc(sizeof(struct iw_quality) * IW_MAX_AP, GFP_KERNEL);
 538         if (addr == NULL || qual == NULL) {
 539                 kfree(addr);
 540                 kfree(qual);
 541                 data->length = 0;
 542                 return -ENOMEM;
 543         }
 544
 545         data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1);
 546
 547         memcpy(extra, &addr, sizeof(struct sockaddr) * data->length);
 548         data->flags = 1; /* has quality information */
 549         memcpy(extra + sizeof(struct sockaddr) * data->length, &qual,
 550                sizeof(struct iw_quality) * data->length);
 551
 552         kfree(addr);
 553         kfree(qual);
 554
 555         return 0;
 556 }
 557
 558
 559 static int prism2_ioctl_siwrts(struct net_device *dev,
 560                                struct iw_request_info *info,
 561                                struct iw_param *rts, char *extra)
 562 {
 563         struct hostap_interface *iface;
 564         local_info_t *local;
 565         u16 val;
 566
 567         iface = netdev_priv(dev);
 568         local = iface->local;
 569
 570         if (rts->disabled)
 571                 val = __constant_cpu_to_le16(2347);
 572         else if (rts->value < 0 || rts->value > 2347)
 573                 return -EINVAL;
 574         else
 575                 val = __cpu_to_le16(rts->value);
 576
 577         if (local->func->set_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2) ||
 578             local->func->reset_port(dev))
 579                 return -EINVAL;
 580
 581         local->rts_threshold = rts->value;
 582
 583         return 0;
 584 }
 585
 586 static int prism2_ioctl_giwrts(struct net_device *dev,
 587                                struct iw_request_info *info,
 588                                struct iw_param *rts, char *extra)
 589 {
 590         struct hostap_interface *iface;
 591         local_info_t *local;
 592         u16 val;
 593
 594         iface = netdev_priv(dev);
 595         local = iface->local;
 596
 597         if (local->func->get_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2, 1) <
 598             0)
 599                 return -EINVAL;
 600
 601         rts->value = __le16_to_cpu(val);
 602         rts->disabled = (rts->value == 2347);
 603         rts->fixed = 1;
 604
 605         return 0;
 606 }
 607
 608
 609 static int prism2_ioctl_siwfrag(struct net_device *dev,
 610                                 struct iw_request_info *info,
 611                                 struct iw_param *rts, char *extra)
 612 {
 613         struct hostap_interface *iface;
 614         local_info_t *local;
 615         u16 val;
 616
 617         iface = netdev_priv(dev);
 618         local = iface->local;
 619
 620         if (rts->disabled)
 621                 val = __constant_cpu_to_le16(2346);
 622         else if (rts->value < 256 || rts->value > 2346)
 623                 return -EINVAL;
 624         else
 625                 val = __cpu_to_le16(rts->value & ~0x1); /* even numbers only */
 626
 627         local->fragm_threshold = rts->value & ~0x1;
 628         if (local->func->set_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, &val,
 629                                  2)
 630             || local->func->reset_port(dev))
 631                 return -EINVAL;
 632
 633         return 0;
 634 }
 635
 636 static int prism2_ioctl_giwfrag(struct net_device *dev,
 637                                 struct iw_request_info *info,
 638                                 struct iw_param *rts, char *extra)
 639 {
 640         struct hostap_interface *iface;
 641         local_info_t *local;
 642         u16 val;
 643
 644         iface = netdev_priv(dev);
 645         local = iface->local;
 646
 647         if (local->func->get_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD,
 648                                  &val, 2, 1) < 0)
 649                 return -EINVAL;
 650
 651         rts->value = __le16_to_cpu(val);
 652         rts->disabled = (rts->value == 2346);
 653         rts->fixed = 1;
 654
 655         return 0;
 656 }
 657
 658
 659 #ifndef PRISM2_NO_STATION_MODES
 660 static int hostap_join_ap(struct net_device *dev)
 661 {
 662         struct hostap_interface *iface;
 663         local_info_t *local;
 664         struct hfa384x_join_request req;
 665         unsigned long flags;
 666         int i;
 667         struct hfa384x_hostscan_result *entry;
 668
 669         iface = netdev_priv(dev);
 670         local = iface->local;
 671
 672         memcpy(req.bssid, local->preferred_ap, ETH_ALEN);
 673         req.channel = 0;
 674
 675         spin_lock_irqsave(&local->lock, flags);
 676         for (i = 0; i < local->last_scan_results_count; i++) {
 677                 if (!local->last_scan_results)
 678                         break;
 679                 entry = &local->last_scan_results[i];
 680                 if (memcmp(local->preferred_ap, entry->bssid, ETH_ALEN) == 0) {
 681                         req.channel = entry->chid;
 682                         break;
 683                 }
 684         }
 685         spin_unlock_irqrestore(&local->lock, flags);
 686
 687         if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req,
 688                                  sizeof(req))) {
 689                 printk(KERN_DEBUG "%s: JoinRequest " MACSTR
 690                        " failed\n",
 691                        dev->name, MAC2STR(local->preferred_ap));
 692                 return -1;
 693         }
 694
 695         printk(KERN_DEBUG "%s: Trying to join BSSID " MACSTR "\n",
 696                dev->name, MAC2STR(local->preferred_ap));
 697
 698         return 0;
 699 }
 700 #endif /* PRISM2_NO_STATION_MODES */
 701
 702
 703 static int prism2_ioctl_siwap(struct net_device *dev,
 704                               struct iw_request_info *info,
 705                               struct sockaddr *ap_addr, char *extra)
 706 {
 707 #ifdef PRISM2_NO_STATION_MODES
 708         return -EOPNOTSUPP;
 709 #else /* PRISM2_NO_STATION_MODES */
 710         struct hostap_interface *iface;
 711         local_info_t *local;
 712
 713         iface = netdev_priv(dev);
 714         local = iface->local;
 715
 716         memcpy(local->preferred_ap, &ap_addr->sa_data, ETH_ALEN);
 717
 718         if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) {
 719                 struct hfa384x_scan_request scan_req;
 720                 memset(&scan_req, 0, sizeof(scan_req));
 721                 scan_req.channel_list = __constant_cpu_to_le16(0x3fff);
 722                 scan_req.txrate = __constant_cpu_to_le16(HFA384X_RATES_1MBPS);
 723                 if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST,
 724                                          &scan_req, sizeof(scan_req))) {
 725                         printk(KERN_DEBUG "%s: ScanResults request failed - "
 726                                "preferred AP delayed to next unsolicited "
 727                                "scan\n", dev->name);
 728                 }
 729         } else if (local->host_roaming == 2 &&
 730                    local->iw_mode == IW_MODE_INFRA) {
 731                 if (hostap_join_ap(dev))
 732                         return -EINVAL;
 733         } else {
 734                 printk(KERN_DEBUG "%s: Preferred AP (SIOCSIWAP) is used only "
 735                        "in Managed mode when host_roaming is enabled\n",
 736                        dev->name);
 737         }
 738
 739         return 0;
 740 #endif /* PRISM2_NO_STATION_MODES */
 741 }
 742
 743 static int prism2_ioctl_giwap(struct net_device *dev,
 744                               struct iw_request_info *info,
 745                               struct sockaddr *ap_addr, char *extra)
 746 {
 747         struct hostap_interface *iface;
 748         local_info_t *local;
 749
 750         iface = netdev_priv(dev);
 751         local = iface->local;
 752
 753         ap_addr->sa_family = ARPHRD_ETHER;
 754         switch (iface->type) {
 755         case HOSTAP_INTERFACE_AP:
 756                 memcpy(&ap_addr->sa_data, dev->dev_addr, ETH_ALEN);
 757                 break;
 758         case HOSTAP_INTERFACE_STA:
 759                 memcpy(&ap_addr->sa_data, local->assoc_ap_addr, ETH_ALEN);
 760                 break;
 761         case HOSTAP_INTERFACE_WDS:
 762                 memcpy(&ap_addr->sa_data, iface->u.wds.remote_addr, ETH_ALEN);
 763                 break;
 764         default:
 765                 if (local->func->get_rid(dev, HFA384X_RID_CURRENTBSSID,
 766                                          &ap_addr->sa_data, ETH_ALEN, 1) < 0)
 767                         return -EOPNOTSUPP;
 768
 769                 /* local->bssid is also updated in LinkStatus handler when in
 770                  * station mode */
 771                 memcpy(local->bssid, &ap_addr->sa_data, ETH_ALEN);
 772                 break;
 773         }
 774
 775         return 0;
 776 }
 777
 778
 779 static int prism2_ioctl_siwnickn(struct net_device *dev,
 780                                  struct iw_request_info *info,
 781                                  struct iw_point *data, char *nickname)
 782 {
 783         struct hostap_interface *iface;
 784         local_info_t *local;
 785
 786         iface = netdev_priv(dev);
 787         local = iface->local;
 788
 789         memset(local->name, 0, sizeof(local->name));
 790         memcpy(local->name, nickname, data->length);
 791         local->name_set = 1;
 792
 793         if (hostap_set_string(dev, HFA384X_RID_CNFOWNNAME, local->name) ||
 794             local->func->reset_port(dev))
 795                 return -EINVAL;
 796
 797         return 0;
 798 }
 799
 800 static int prism2_ioctl_giwnickn(struct net_device *dev,
 801                                  struct iw_request_info *info,
 802                                  struct iw_point *data, char *nickname)
 803 {
 804         struct hostap_interface *iface;
 805         local_info_t *local;
 806         int len;
 807         char name[MAX_NAME_LEN + 3];
 808         u16 val;
 809
 810         iface = netdev_priv(dev);
 811         local = iface->local;
 812
 813         len = local->func->get_rid(dev, HFA384X_RID_CNFOWNNAME,
 814                                    &name, MAX_NAME_LEN + 2, 0);
 815         val = __le16_to_cpu(*(u16 *) name);
 816         if (len > MAX_NAME_LEN + 2 || len < 0 || val > MAX_NAME_LEN)
 817                 return -EOPNOTSUPP;
 818
 819         name[val + 2] = '\0';
 820         data->length = val + 1;
 821         memcpy(nickname, name + 2, val + 1);
 822
 823         return 0;
 824 }
 825
 826
 827 static int prism2_ioctl_siwfreq(struct net_device *dev,
 828                                 struct iw_request_info *info,
 829                                 struct iw_freq *freq, char *extra)
 830 {
 831         struct hostap_interface *iface;
 832         local_info_t *local;
 833
 834         iface = netdev_priv(dev);
 835         local = iface->local;
 836
 837         /* freq => chan. */
 838         if (freq->e == 1 &&
 839             freq->m / 100000 >= freq_list[0] &&
 840             freq->m / 100000 <= freq_list[FREQ_COUNT - 1]) {
 841                 int ch;
 842                 int fr = freq->m / 100000;
 843                 for (ch = 0; ch < FREQ_COUNT; ch++) {
 844                         if (fr == freq_list[ch]) {
 845                                 freq->e = 0;
 846                                 freq->m = ch + 1;
 847                                 break;
 848                         }
 849                 }
 850         }
 851
 852         if (freq->e != 0 || freq->m < 1 || freq->m > FREQ_COUNT ||
 853             !(local->channel_mask & (1 << (freq->m - 1))))
 854                 return -EINVAL;
 855
 856         local->channel = freq->m; /* channel is used in prism2_setup_rids() */
 857         if (hostap_set_word(dev, HFA384X_RID_CNFOWNCHANNEL, local->channel) ||
 858             local->func->reset_port(dev))
 859                 return -EINVAL;
 860
 861         return 0;
 862 }
 863
 864 static int prism2_ioctl_giwfreq(struct net_device *dev,
 865                                 struct iw_request_info *info,
 866                                 struct iw_freq *freq, char *extra)
 867 {
 868         struct hostap_interface *iface;
 869         local_info_t *local;
 870         u16 val;
 871
 872         iface = netdev_priv(dev);
 873         local = iface->local;
 874
 875         if (local->func->get_rid(dev, HFA384X_RID_CURRENTCHANNEL, &val, 2, 1) <
 876             0)
 877                 return -EINVAL;
 878
 879         le16_to_cpus(&val);
 880         if (val < 1 || val > FREQ_COUNT)
 881                 return -EINVAL;
 882
 883         freq->m = freq_list[val - 1] * 100000;
 884         freq->e = 1;
 885
 886         return 0;
 887 }
 888
 889
 890 static void hostap_monitor_set_type(local_info_t *local)
 891 {
 892         struct net_device *dev = local->ddev;
 893
 894         if (dev == NULL)
 895                 return;
 896
 897         if (local->monitor_type == PRISM2_MONITOR_PRISM ||
 898             local->monitor_type == PRISM2_MONITOR_CAPHDR) {
 899                 dev->type = ARPHRD_IEEE80211_PRISM;
 900                 dev->hard_header_parse =
 901                         hostap_80211_prism_header_parse;
 902         } else {
 903                 dev->type = ARPHRD_IEEE80211;
 904                 dev->hard_header_parse = hostap_80211_header_parse;
 905         }
 906 }
 907
 908
 909 static int prism2_ioctl_siwessid(struct net_device *dev,
 910                                  struct iw_request_info *info,
 911                                  struct iw_point *data, char *ssid)
 912 {
 913         struct hostap_interface *iface;
 914         local_info_t *local;
 915
 916         iface = netdev_priv(dev);
 917         local = iface->local;
 918
 919         if (iface->type == HOSTAP_INTERFACE_WDS)
 920                 return -EOPNOTSUPP;
 921
 922         if (data->flags == 0)
 923                 ssid[0] = '\0'; /* ANY */
 924
 925         if (local->iw_mode == IW_MODE_MASTER && ssid[0] == '\0') {
 926                 /* Setting SSID to empty string seems to kill the card in
 927                  * Host AP mode */
 928                 printk(KERN_DEBUG "%s: Host AP mode does not support "
 929                        "'Any' essid\n", dev->name);
 930                 return -EINVAL;
 931         }
 932
 933         memcpy(local->essid, ssid, data->length);
 934         local->essid[data->length] = '\0';
 935
 936         if ((!local->fw_ap &&
 937              hostap_set_string(dev, HFA384X_RID_CNFDESIREDSSID, local->essid))
 938             || hostap_set_string(dev, HFA384X_RID_CNFOWNSSID, local->essid) ||
 939             local->func->reset_port(dev))
 940                 return -EINVAL;
 941
 942         return 0;
 943 }
 944
 945 static int prism2_ioctl_giwessid(struct net_device *dev,
 946                                  struct iw_request_info *info,
 947                                  struct iw_point *data, char *essid)
 948 {
 949         struct hostap_interface *iface;
 950         local_info_t *local;
 951         u16 val;
 952
 953         iface = netdev_priv(dev);
 954         local = iface->local;
 955
 956         if (iface->type == HOSTAP_INTERFACE_WDS)
 957                 return -EOPNOTSUPP;
 958
 959         data->flags = 1; /* active */
 960         if (local->iw_mode == IW_MODE_MASTER) {
 961                 data->length = strlen(local->essid);
 962                 memcpy(essid, local->essid, IW_ESSID_MAX_SIZE);
 963         } else {
 964                 int len;
 965                 char ssid[MAX_SSID_LEN + 2];
 966                 memset(ssid, 0, sizeof(ssid));
 967                 len = local->func->get_rid(dev, HFA384X_RID_CURRENTSSID,
 968                                            &ssid, MAX_SSID_LEN + 2, 0);
 969                 val = __le16_to_cpu(*(u16 *) ssid);
 970                 if (len > MAX_SSID_LEN + 2 || len < 0 || val > MAX_SSID_LEN) {
 971                         return -EOPNOTSUPP;
 972                 }
 973                 data->length = val;
 974                 memcpy(essid, ssid + 2, IW_ESSID_MAX_SIZE);
 975         }
 976
 977         return 0;
 978 }
 979
 980
 981 static int prism2_ioctl_giwrange(struct net_device *dev,
 982                                  struct iw_request_info *info,
 983                                  struct iw_point *data, char *extra)
 984 {
 985         struct hostap_interface *iface;
 986         local_info_t *local;
 987         struct iw_range *range = (struct iw_range *) extra;
 988         u8 rates[10];
 989         u16 val;
 990         int i, len, over2;
 991
 992         iface = netdev_priv(dev);
 993         local = iface->local;
 994
 995         data->length = sizeof(struct iw_range);
 996         memset(range, 0, sizeof(struct iw_range));
 997
 998         /* TODO: could fill num_txpower and txpower array with
 999          * something; however, there are 128 different values.. */
1000
1001         range->txpower_capa = IW_TXPOW_DBM;
1002
1003         if (local->iw_mode == IW_MODE_INFRA || local->iw_mode == IW_MODE_ADHOC)
1004         {
1005                 range->min_pmp = 1 * 1024;
1006                 range->max_pmp = 65535 * 1024;
1007                 range->min_pmt = 1 * 1024;
1008                 range->max_pmt = 1000 * 1024;
1009                 range->pmp_flags = IW_POWER_PERIOD;
1010                 range->pmt_flags = IW_POWER_TIMEOUT;
1011                 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT |
1012                         IW_POWER_UNICAST_R | IW_POWER_ALL_R;
1013         }
1014
1015         range->we_version_compiled = WIRELESS_EXT;
1016         range->we_version_source = 18;
1017
1018         range->retry_capa = IW_RETRY_LIMIT;
1019         range->retry_flags = IW_RETRY_LIMIT;
1020         range->min_retry = 0;
1021         range->max_retry = 255;
1022
1023         range->num_channels = FREQ_COUNT;
1024
1025         val = 0;
1026         for (i = 0; i < FREQ_COUNT; i++) {
1027                 if (local->channel_mask & (1 << i)) {
1028                         range->freq[val].i = i + 1;
1029                         range->freq[val].m = freq_list[i] * 100000;
1030                         range->freq[val].e = 1;
1031                         val++;
1032                 }
1033                 if (val == IW_MAX_FREQUENCIES)
1034                         break;
1035         }
1036         range->num_frequency = val;
1037
1038         if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) {
1039                 range->max_qual.qual = 70; /* what is correct max? This was not
1040                                             * documented exactly. At least
1041                                             * 69 has been observed. */
1042                 range->max_qual.level = 0; /* dB */
1043                 range->max_qual.noise = 0; /* dB */
1044
1045                 /* What would be suitable values for "average/typical" qual? */
1046                 range->avg_qual.qual = 20;
1047                 range->avg_qual.level = -60;
1048                 range->avg_qual.noise = -95;
1049         } else {
1050                 range->max_qual.qual = 92; /* 0 .. 92 */
1051                 range->max_qual.level = 154; /* 27 .. 154 */
1052                 range->max_qual.noise = 154; /* 27 .. 154 */
1053         }
1054         range->sensitivity = 3;
1055
1056         range->max_encoding_tokens = WEP_KEYS;
1057         range->num_encoding_sizes = 2;
1058         range->encoding_size[0] = 5;
1059         range->encoding_size[1] = 13;
1060
1061         over2 = 0;
1062         len = prism2_get_datarates(dev, rates);
1063         range->num_bitrates = 0;
1064         for (i = 0; i < len; i++) {
1065                 if (range->num_bitrates < IW_MAX_BITRATES) {
1066                         range->bitrate[range->num_bitrates] =
1067                                 rates[i] * 500000;
1068                         range->num_bitrates++;
1069                 }
1070                 if (rates[i] == 0x0b || rates[i] == 0x16)
1071                         over2 = 1;
1072         }
1073         /* estimated maximum TCP throughput values (bps) */
1074         range->throughput = over2 ? 5500000 : 1500000;
1075
1076         range->min_rts = 0;
1077         range->max_rts = 2347;
1078         range->min_frag = 256;
1079         range->max_frag = 2346;
1080
1081         /* Event capability (kernel + driver) */
1082         range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
1083                                 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
1084                                 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
1085                                 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
1086         range->event_capa[1] = IW_EVENT_CAPA_K_1;
1087         range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVTXDROP) |
1088                                 IW_EVENT_CAPA_MASK(IWEVCUSTOM) |
1089                                 IW_EVENT_CAPA_MASK(IWEVREGISTERED) |
1090                                 IW_EVENT_CAPA_MASK(IWEVEXPIRED));
1091
1092         range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
1093                 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
1094
1095         return 0;
1096 }
1097
1098
1099 static int hostap_monitor_mode_enable(local_info_t *local)
1100 {
1101         struct net_device *dev = local->dev;
1102
1103         printk(KERN_DEBUG "Enabling monitor mode\n");
1104         hostap_monitor_set_type(local);
1105
1106         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1107                             HFA384X_PORTTYPE_PSEUDO_IBSS)) {
1108                 printk(KERN_DEBUG "Port type setting for monitor mode "
1109                        "failed\n");
1110                 return -EOPNOTSUPP;
1111         }
1112
1113         /* Host decrypt is needed to get the IV and ICV fields;
1114          * however, monitor mode seems to remove WEP flag from frame
1115          * control field */
1116         if (hostap_set_word(dev, HFA384X_RID_CNFWEPFLAGS,
1117                             HFA384X_WEPFLAGS_HOSTENCRYPT |
1118                             HFA384X_WEPFLAGS_HOSTDECRYPT)) {
1119                 printk(KERN_DEBUG "WEP flags setting failed\n");
1120                 return -EOPNOTSUPP;
1121         }
1122
1123         if (local->func->reset_port(dev) ||
1124             local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1125                              (HFA384X_TEST_MONITOR << 8),
1126                              0, NULL, NULL)) {
1127                 printk(KERN_DEBUG "Setting monitor mode failed\n");
1128                 return -EOPNOTSUPP;
1129         }
1130
1131         return 0;
1132 }
1133
1134
1135 static int hostap_monitor_mode_disable(local_info_t *local)
1136 {
1137         struct net_device *dev = local->ddev;
1138
1139         if (dev == NULL)
1140                 return -1;
1141
1142         printk(KERN_DEBUG "%s: Disabling monitor mode\n", dev->name);
1143         dev->type = ARPHRD_ETHER;
1144         dev->hard_header_parse = local->saved_eth_header_parse;
1145         if (local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1146                              (HFA384X_TEST_STOP << 8),
1147                              0, NULL, NULL))
1148                 return -1;
1149         return hostap_set_encryption(local);
1150 }
1151
1152
1153 static int prism2_ioctl_siwmode(struct net_device *dev,
1154                                 struct iw_request_info *info,
1155                                 __u32 *mode, char *extra)
1156 {
1157         struct hostap_interface *iface;
1158         local_info_t *local;
1159         int double_reset = 0;
1160
1161         iface = netdev_priv(dev);
1162         local = iface->local;
1163
1164         if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA &&
1165             *mode != IW_MODE_MASTER && *mode != IW_MODE_REPEAT &&
1166             *mode != IW_MODE_MONITOR)
1167                 return -EOPNOTSUPP;
1168
1169 #ifdef PRISM2_NO_STATION_MODES
1170         if (*mode == IW_MODE_ADHOC || *mode == IW_MODE_INFRA)
1171                 return -EOPNOTSUPP;
1172 #endif /* PRISM2_NO_STATION_MODES */
1173
1174         if (*mode == local->iw_mode)
1175                 return 0;
1176
1177         if (*mode == IW_MODE_MASTER && local->essid[0] == '\0') {
1178                 printk(KERN_WARNING "%s: empty SSID not allowed in Master "
1179                        "mode\n", dev->name);
1180                 return -EINVAL;
1181         }
1182
1183         if (local->iw_mode == IW_MODE_MONITOR)
1184                 hostap_monitor_mode_disable(local);
1185
1186         if ((local->iw_mode == IW_MODE_ADHOC ||
1187              local->iw_mode == IW_MODE_MONITOR) && *mode == IW_MODE_MASTER) {
1188                 /* There seems to be a firmware bug in at least STA f/w v1.5.6
1189                  * that leaves beacon frames to use IBSS type when moving from
1190                  * IBSS to Host AP mode. Doing double Port0 reset seems to be
1191                  * enough to workaround this. */
1192                 double_reset = 1;
1193         }
1194
1195         printk(KERN_DEBUG "prism2: %s: operating mode changed "
1196                "%d -> %d\n", dev->name, local->iw_mode, *mode);
1197         local->iw_mode = *mode;
1198
1199         if (local->iw_mode == IW_MODE_MONITOR)
1200                 hostap_monitor_mode_enable(local);
1201         else if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt &&
1202                  !local->fw_encrypt_ok) {
1203                 printk(KERN_DEBUG "%s: defaulting to host-based encryption as "
1204                        "a workaround for firmware bug in Host AP mode WEP\n",
1205                        dev->name);
1206                 local->host_encrypt = 1;
1207         }
1208
1209         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1210                             hostap_get_porttype(local)))
1211                 return -EOPNOTSUPP;
1212
1213         if (local->func->reset_port(dev))
1214                 return -EINVAL;
1215         if (double_reset && local->func->reset_port(dev))
1216                 return -EINVAL;
1217
1218         if (local->iw_mode != IW_MODE_INFRA && local->iw_mode != IW_MODE_ADHOC)
1219         {
1220                 /* netif_carrier is used only in client modes for now, so make
1221                  * sure carrier is on when moving to non-client modes. */
1222                 netif_carrier_on(local->dev);
1223                 netif_carrier_on(local->ddev);
1224         }
1225         return 0;
1226 }
1227
1228
1229 static int prism2_ioctl_giwmode(struct net_device *dev,
1230                                 struct iw_request_info *info,
1231                                 __u32 *mode, char *extra)
1232 {
1233         struct hostap_interface *iface;
1234         local_info_t *local;
1235
1236         iface = netdev_priv(dev);
1237         local = iface->local;
1238
1239         switch (iface->type) {
1240         case HOSTAP_INTERFACE_STA:
1241                 *mode = IW_MODE_INFRA;
1242                 break;
1243         case HOSTAP_INTERFACE_WDS:
1244                 *mode = IW_MODE_REPEAT;
1245                 break;
1246         default:
1247                 *mode = local->iw_mode;
1248                 break;
1249         }
1250         return 0;
1251 }
1252
1253
1254 static int prism2_ioctl_siwpower(struct net_device *dev,
1255                                  struct iw_request_info *info,
1256                                  struct iw_param *wrq, char *extra)
1257 {
1258 #ifdef PRISM2_NO_STATION_MODES
1259         return -EOPNOTSUPP;
1260 #else /* PRISM2_NO_STATION_MODES */
1261         int ret = 0;
1262
1263         if (wrq->disabled)
1264                 return hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 0);
1265
1266         switch (wrq->flags & IW_POWER_MODE) {
1267         case IW_POWER_UNICAST_R:
1268                 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 0);
1269                 if (ret)
1270                         return ret;
1271                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1272                 if (ret)
1273                         return ret;
1274                 break;
1275         case IW_POWER_ALL_R:
1276                 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 1);
1277                 if (ret)
1278                         return ret;
1279                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1280                 if (ret)
1281                         return ret;
1282                 break;
1283         case IW_POWER_ON:
1284                 break;
1285         default:
1286                 return -EINVAL;
1287         }
1288
1289         if (wrq->flags & IW_POWER_TIMEOUT) {
1290                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1291                 if (ret)
1292                         return ret;
1293                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMHOLDOVERDURATION,
1294                                       wrq->value / 1024);
1295                 if (ret)
1296                         return ret;
1297         }
1298         if (wrq->flags & IW_POWER_PERIOD) {
1299                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1300                 if (ret)
1301                         return ret;
1302                 ret = hostap_set_word(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1303                                       wrq->value / 1024);
1304                 if (ret)
1305                         return ret;
1306         }
1307
1308         return ret;
1309 #endif /* PRISM2_NO_STATION_MODES */
1310 }
1311
1312
1313 static int prism2_ioctl_giwpower(struct net_device *dev,
1314                                  struct iw_request_info *info,
1315                                  struct iw_param *rrq, char *extra)
1316 {
1317 #ifdef PRISM2_NO_STATION_MODES
1318         return -EOPNOTSUPP;
1319 #else /* PRISM2_NO_STATION_MODES */
1320         struct hostap_interface *iface;
1321         local_info_t *local;
1322         u16 enable, mcast;
1323
1324         iface = netdev_priv(dev);
1325         local = iface->local;
1326
1327         if (local->func->get_rid(dev, HFA384X_RID_CNFPMENABLED, &enable, 2, 1)
1328             < 0)
1329                 return -EINVAL;
1330
1331         if (!__le16_to_cpu(enable)) {
1332                 rrq->disabled = 1;
1333                 return 0;
1334         }
1335
1336         rrq->disabled = 0;
1337
1338         if ((rrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
1339                 u16 timeout;
1340                 if (local->func->get_rid(dev,
1341                                          HFA384X_RID_CNFPMHOLDOVERDURATION,
1342                                          &timeout, 2, 1) < 0)
1343                         return -EINVAL;
1344
1345                 rrq->flags = IW_POWER_TIMEOUT;
1346                 rrq->value = __le16_to_cpu(timeout) * 1024;
1347         } else {
1348                 u16 period;
1349                 if (local->func->get_rid(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1350                                          &period, 2, 1) < 0)
1351                         return -EINVAL;
1352
1353                 rrq->flags = IW_POWER_PERIOD;
1354                 rrq->value = __le16_to_cpu(period) * 1024;
1355         }
1356
1357         if (local->func->get_rid(dev, HFA384X_RID_CNFMULTICASTRECEIVE, &mcast,
1358                                  2, 1) < 0)
1359                 return -EINVAL;
1360
1361         if (__le16_to_cpu(mcast))
1362                 rrq->flags |= IW_POWER_ALL_R;
1363         else
1364                 rrq->flags |= IW_POWER_UNICAST_R;
1365
1366         return 0;
1367 #endif /* PRISM2_NO_STATION_MODES */
1368 }
1369
1370
1371 static int prism2_ioctl_siwretry(struct net_device *dev,
1372                                  struct iw_request_info *info,
1373                                  struct iw_param *rrq, char *extra)
1374 {
1375         struct hostap_interface *iface;
1376         local_info_t *local;
1377
1378         iface = netdev_priv(dev);
1379         local = iface->local;
1380
1381         if (rrq->disabled)
1382                 return -EINVAL;
1383
1384         /* setting retry limits is not supported with the current station
1385          * firmware code; simulate this with alternative retry count for now */
1386         if (rrq->flags == IW_RETRY_LIMIT) {
1387                 if (rrq->value < 0) {
1388                         /* disable manual retry count setting and use firmware
1389                          * defaults */
1390                         local->manual_retry_count = -1;
1391                         local->tx_control &= ~HFA384X_TX_CTRL_ALT_RTRY;
1392                 } else {
1393                         if (hostap_set_word(dev, HFA384X_RID_CNFALTRETRYCOUNT,
1394                                             rrq->value)) {
1395                                 printk(KERN_DEBUG "%s: Alternate retry count "
1396                                        "setting to %d failed\n",
1397                                        dev->name, rrq->value);
1398                                 return -EOPNOTSUPP;
1399                         }
1400
1401                         local->manual_retry_count = rrq->value;
1402                         local->tx_control |= HFA384X_TX_CTRL_ALT_RTRY;
1403                 }
1404                 return 0;
1405         }
1406
1407         return -EOPNOTSUPP;
1408
1409 #if 0
1410         /* what could be done, if firmware would support this.. */
1411
1412         if (rrq->flags & IW_RETRY_LIMIT) {
1413                 if (rrq->flags & IW_RETRY_MAX)
1414                         HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1415                 else if (rrq->flags & IW_RETRY_MIN)
1416                         HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1417                 else {
1418                         HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1419                         HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1420                 }
1421
1422         }
1423
1424         if (rrq->flags & IW_RETRY_LIFETIME) {
1425                 HFA384X_RID_MAXTRANSMITLIFETIME = rrq->value / 1024;
1426         }
1427
1428         return 0;
1429 #endif /* 0 */
1430 }
1431
1432 static int prism2_ioctl_giwretry(struct net_device *dev,
1433                                  struct iw_request_info *info,
1434                                  struct iw_param *rrq, char *extra)
1435 {
1436         struct hostap_interface *iface;
1437         local_info_t *local;
1438         u16 shortretry, longretry, lifetime, altretry;
1439
1440         iface = netdev_priv(dev);
1441         local = iface->local;
1442
1443         if (local->func->get_rid(dev, HFA384X_RID_SHORTRETRYLIMIT, &shortretry,
1444                                  2, 1) < 0 ||
1445             local->func->get_rid(dev, HFA384X_RID_LONGRETRYLIMIT, &longretry,
1446                                  2, 1) < 0 ||
1447             local->func->get_rid(dev, HFA384X_RID_MAXTRANSMITLIFETIME,
1448                                  &lifetime, 2, 1) < 0)
1449                 return -EINVAL;
1450
1451         le16_to_cpus(&shortretry);
1452         le16_to_cpus(&longretry);
1453         le16_to_cpus(&lifetime);
1454
1455         rrq->disabled = 0;
1456
1457         if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
1458                 rrq->flags = IW_RETRY_LIFETIME;
1459                 rrq->value = lifetime * 1024;
1460         } else {
1461                 if (local->manual_retry_count >= 0) {
1462                         rrq->flags = IW_RETRY_LIMIT;
1463                         if (local->func->get_rid(dev,
1464                                                  HFA384X_RID_CNFALTRETRYCOUNT,
1465                                                  &altretry, 2, 1) >= 0)
1466                                 rrq->value = le16_to_cpu(altretry);
1467                         else
1468                                 rrq->value = local->manual_retry_count;
1469                 } else if ((rrq->flags & IW_RETRY_MAX)) {
1470                         rrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
1471                         rrq->value = longretry;
1472                 } else {
1473                         rrq->flags = IW_RETRY_LIMIT;
1474                         rrq->value = shortretry;
1475                         if (shortretry != longretry)
1476                                 rrq->flags |= IW_RETRY_MIN;
1477                 }
1478         }
1479         return 0;
1480 }
1481
1482
1483 /* Note! This TX power controlling is experimental and should not be used in
1484  * production use. It just sets raw power register and does not use any kind of
1485  * feedback information from the measured TX power (CR58). This is now
1486  * commented out to make sure that it is not used by accident. TX power
1487  * configuration will be enabled again after proper algorithm using feedback
1488  * has been implemented. */
1489
1490 #ifdef RAW_TXPOWER_SETTING
1491 /* Map HFA386x's CR31 to and from dBm with some sort of ad hoc mapping..
1492  * This version assumes following mapping:
1493  * CR31 is 7-bit value with -64 to +63 range.
1494  * -64 is mapped into +20dBm and +63 into -43dBm.
1495  * This is certainly not an exact mapping for every card, but at least
1496  * increasing dBm value should correspond to increasing TX power.
1497  */
1498
1499 static int prism2_txpower_hfa386x_to_dBm(u16 val)
1500 {
1501         signed char tmp;
1502
1503         if (val > 255)
1504                 val = 255;
1505
1506         tmp = val;
1507         tmp >>= 2;
1508
1509         return -12 - tmp;
1510 }
1511
1512 static u16 prism2_txpower_dBm_to_hfa386x(int val)
1513 {
1514         signed char tmp;
1515
1516         if (val > 20)
1517                 return 128;
1518         else if (val < -43)
1519                 return 127;
1520
1521         tmp = val;
1522         tmp = -12 - tmp;
1523         tmp <<= 2;
1524
1525         return (unsigned char) tmp;
1526 }
1527 #endif /* RAW_TXPOWER_SETTING */
1528
1529
1530 static int prism2_ioctl_siwtxpow(struct net_device *dev,
1531                                  struct iw_request_info *info,
1532                                  struct iw_param *rrq, char *extra)
1533 {
1534         struct hostap_interface *iface;
1535         local_info_t *local;
1536 #ifdef RAW_TXPOWER_SETTING
1537         char *tmp;
1538 #endif
1539         u16 val;
1540         int ret = 0;
1541
1542         iface = netdev_priv(dev);
1543         local = iface->local;
1544
1545         if (rrq->disabled) {
1546                 if (local->txpower_type != PRISM2_TXPOWER_OFF) {
1547                         val = 0xff; /* use all standby and sleep modes */
1548                         ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1549                                                HFA386X_CR_A_D_TEST_MODES2,
1550                                                &val, NULL);
1551                         printk(KERN_DEBUG "%s: Turning radio off: %s\n",
1552                                dev->name, ret ? "failed" : "OK");
1553                         local->txpower_type = PRISM2_TXPOWER_OFF;
1554                 }
1555                 return (ret ? -EOPNOTSUPP : 0);
1556         }
1557
1558         if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1559                 val = 0; /* disable all standby and sleep modes */
1560                 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1561                                        HFA386X_CR_A_D_TEST_MODES2, &val, NULL);
1562                 printk(KERN_DEBUG "%s: Turning radio on: %s\n",
1563                        dev->name, ret ? "failed" : "OK");
1564                 local->txpower_type = PRISM2_TXPOWER_UNKNOWN;
1565         }
1566
1567 #ifdef RAW_TXPOWER_SETTING
1568         if (!rrq->fixed && local->txpower_type != PRISM2_TXPOWER_AUTO) {
1569                 printk(KERN_DEBUG "Setting ALC on\n");
1570                 val = HFA384X_TEST_CFG_BIT_ALC;
1571                 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1572                                  (HFA384X_TEST_CFG_BITS << 8), 1, &val, NULL);
1573                 local->txpower_type = PRISM2_TXPOWER_AUTO;
1574                 return 0;
1575         }
1576
1577         if (local->txpower_type != PRISM2_TXPOWER_FIXED) {
1578                 printk(KERN_DEBUG "Setting ALC off\n");
1579                 val = HFA384X_TEST_CFG_BIT_ALC;
1580                 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1581                                  (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
1582                         local->txpower_type = PRISM2_TXPOWER_FIXED;
1583         }
1584
1585         if (rrq->flags == IW_TXPOW_DBM)
1586                 tmp = "dBm";
1587         else if (rrq->flags == IW_TXPOW_MWATT)
1588                 tmp = "mW";
1589         else
1590                 tmp = "UNKNOWN";
1591         printk(KERN_DEBUG "Setting TX power to %d %s\n", rrq->value, tmp);
1592
1593         if (rrq->flags != IW_TXPOW_DBM) {
1594                 printk("SIOCSIWTXPOW with mW is not supported; use dBm\n");
1595                 return -EOPNOTSUPP;
1596         }
1597
1598         local->txpower = rrq->value;
1599         val = prism2_txpower_dBm_to_hfa386x(local->txpower);
1600         if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1601                              HFA386X_CR_MANUAL_TX_POWER, &val, NULL))
1602                 ret = -EOPNOTSUPP;
1603 #else /* RAW_TXPOWER_SETTING */
1604         if (rrq->fixed)
1605                 ret = -EOPNOTSUPP;
1606 #endif /* RAW_TXPOWER_SETTING */
1607
1608         return ret;
1609 }
1610
1611 static int prism2_ioctl_giwtxpow(struct net_device *dev,
1612                                  struct iw_request_info *info,
1613                                  struct iw_param *rrq, char *extra)
1614 {
1615 #ifdef RAW_TXPOWER_SETTING
1616         struct hostap_interface *iface;
1617         local_info_t *local;
1618         u16 resp0;
1619
1620         iface = netdev_priv(dev);
1621         local = iface->local;
1622
1623         rrq->flags = IW_TXPOW_DBM;
1624         rrq->disabled = 0;
1625         rrq->fixed = 0;
1626
1627         if (local->txpower_type == PRISM2_TXPOWER_AUTO) {
1628                 if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF,
1629                                      HFA386X_CR_MANUAL_TX_POWER,
1630                                      NULL, &resp0) == 0) {
1631                         rrq->value = prism2_txpower_hfa386x_to_dBm(resp0);
1632                 } else {
1633                         /* Could not get real txpower; guess 15 dBm */
1634                         rrq->value = 15;
1635                 }
1636         } else if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1637                 rrq->value = 0;
1638                 rrq->disabled = 1;
1639         } else if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
1640                 rrq->value = local->txpower;
1641                 rrq->fixed = 1;
1642         } else {
1643                 printk("SIOCGIWTXPOW - unknown txpower_type=%d\n",
1644                        local->txpower_type);
1645         }
1646         return 0;
1647 #else /* RAW_TXPOWER_SETTING */
1648         return -EOPNOTSUPP;
1649 #endif /* RAW_TXPOWER_SETTING */
1650 }
1651
1652
1653 #ifndef PRISM2_NO_STATION_MODES
1654
1655 /* HostScan request works with and without host_roaming mode. In addition, it
1656  * does not break current association. However, it requires newer station
1657  * firmware version (>= 1.3.1) than scan request. */
1658 static int prism2_request_hostscan(struct net_device *dev,
1659                                    u8 *ssid, u8 ssid_len)
1660 {
1661         struct hostap_interface *iface;
1662         local_info_t *local;
1663         struct hfa384x_hostscan_request scan_req;
1664
1665         iface = netdev_priv(dev);
1666         local = iface->local;
1667
1668         memset(&scan_req, 0, sizeof(scan_req));
1669         scan_req.channel_list = cpu_to_le16(local->channel_mask &
1670                                             local->scan_channel_mask);
1671         scan_req.txrate = __constant_cpu_to_le16(HFA384X_RATES_1MBPS);
1672         if (ssid) {
1673                 if (ssid_len > 32)
1674                         return -EINVAL;
1675                 scan_req.target_ssid_len = cpu_to_le16(ssid_len);
1676                 memcpy(scan_req.target_ssid, ssid, ssid_len);
1677         }
1678
1679         if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
1680                                  sizeof(scan_req))) {
1681                 printk(KERN_DEBUG "%s: HOSTSCAN failed\n", dev->name);
1682                 return -EINVAL;
1683         }
1684         return 0;
1685 }
1686
1687
1688 static int prism2_request_scan(struct net_device *dev)
1689 {
1690         struct hostap_interface *iface;
1691         local_info_t *local;
1692         struct hfa384x_scan_request scan_req;
1693         int ret = 0;
1694
1695         iface = netdev_priv(dev);
1696         local = iface->local;
1697
1698         memset(&scan_req, 0, sizeof(scan_req));
1699         scan_req.channel_list = cpu_to_le16(local->channel_mask &
1700                                             local->scan_channel_mask);
1701         scan_req.txrate = __constant_cpu_to_le16(HFA384X_RATES_1MBPS);
1702
1703         /* FIX:
1704          * It seems to be enough to set roaming mode for a short moment to
1705          * host-based and then setup scanrequest data and return the mode to
1706          * firmware-based.
1707          *
1708          * Master mode would need to drop to Managed mode for a short while
1709          * to make scanning work.. Or sweep through the different channels and
1710          * use passive scan based on beacons. */
1711
1712         if (!local->host_roaming)
1713                 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1714                                 HFA384X_ROAMING_HOST);
1715
1716         if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, &scan_req,
1717                                  sizeof(scan_req))) {
1718                 printk(KERN_DEBUG "SCANREQUEST failed\n");
1719                 ret = -EINVAL;
1720         }
1721
1722         if (!local->host_roaming)
1723                 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1724                                 HFA384X_ROAMING_FIRMWARE);
1725
1726         return 0;
1727 }
1728
1729 #else /* !PRISM2_NO_STATION_MODES */
1730
1731 static inline int prism2_request_hostscan(struct net_device *dev,
1732                                           u8 *ssid, u8 ssid_len)
1733 {
1734         return -EOPNOTSUPP;
1735 }
1736
1737
1738 static inline int prism2_request_scan(struct net_device *dev)
1739 {
1740         return -EOPNOTSUPP;
1741 }
1742
1743 #endif /* !PRISM2_NO_STATION_MODES */
1744
1745
1746 static int prism2_ioctl_siwscan(struct net_device *dev,
1747                                 struct iw_request_info *info,
1748                                 struct iw_point *data, char *extra)
1749 {
1750         struct hostap_interface *iface;
1751         local_info_t *local;
1752         int ret;
1753         u8 *ssid = NULL, ssid_len = 0;
1754         struct iw_scan_req *req = (struct iw_scan_req *) extra;
1755
1756         iface = netdev_priv(dev);
1757         local = iface->local;
1758
1759         if (data->length < sizeof(struct iw_scan_req))
1760                 req = NULL;
1761
1762         if (local->iw_mode == IW_MODE_MASTER) {
1763                 /* In master mode, we just return the results of our local
1764                  * tables, so we don't need to start anything...
1765                  * Jean II */
1766                 data->length = 0;
1767                 return 0;
1768         }
1769
1770         if (!local->dev_enabled)
1771                 return -ENETDOWN;
1772
1773         if (req && data->flags & IW_SCAN_THIS_ESSID) {
1774                 ssid = req->essid;
1775                 ssid_len = req->essid_len;
1776
1777                 if (ssid_len &&
1778                     ((local->iw_mode != IW_MODE_INFRA &&
1779                       local->iw_mode != IW_MODE_ADHOC) ||
1780                      (local->sta_fw_ver < PRISM2_FW_VER(1,3,1))))
1781                         return -EOPNOTSUPP;
1782         }
1783
1784         if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1785                 ret = prism2_request_hostscan(dev, ssid, ssid_len);
1786         else
1787                 ret = prism2_request_scan(dev);
1788
1789         if (ret == 0)
1790                 local->scan_timestamp = jiffies;
1791
1792         /* Could inquire F101, F103 or wait for SIOCGIWSCAN and read RID */
1793
1794         return ret;
1795 }
1796
1797
1798 #ifndef PRISM2_NO_STATION_MODES
1799 static char * __prism2_translate_scan(local_info_t *local,
1800                                       struct hfa384x_hostscan_result *scan,
1801                                       struct hostap_bss_info *bss,
1802                                       char *current_ev, char *end_buf)
1803 {
1804         int i, chan;
1805         struct iw_event iwe;
1806         char *current_val;
1807         u16 capabilities;
1808         u8 *pos;
1809         u8 *ssid, *bssid;
1810         size_t ssid_len;
1811         char *buf;
1812
1813         if (bss) {
1814                 ssid = bss->ssid;
1815                 ssid_len = bss->ssid_len;
1816                 bssid = bss->bssid;
1817         } else {
1818                 ssid = scan->ssid;
1819                 ssid_len = le16_to_cpu(scan->ssid_len);
1820                 bssid = scan->bssid;
1821         }
1822         if (ssid_len > 32)
1823                 ssid_len = 32;
1824
1825         /* First entry *MUST* be the AP MAC address */
1826         memset(&iwe, 0, sizeof(iwe));
1827         iwe.cmd = SIOCGIWAP;
1828         iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1829         memcpy(iwe.u.ap_addr.sa_data, bssid, ETH_ALEN);
1830         /* FIX:
1831          * I do not know how this is possible, but iwe_stream_add_event
1832          * seems to re-order memcpy execution so that len is set only
1833          * after copying.. Pre-setting len here "fixes" this, but real
1834          * problems should be solved (after which these iwe.len
1835          * settings could be removed from this function). */
1836         iwe.len = IW_EV_ADDR_LEN;
1837         current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
1838                                           IW_EV_ADDR_LEN);
1839
1840         /* Other entries will be displayed in the order we give them */
1841
1842         memset(&iwe, 0, sizeof(iwe));
1843         iwe.cmd = SIOCGIWESSID;
1844         iwe.u.data.length = ssid_len;
1845         iwe.u.data.flags = 1;
1846         iwe.len = IW_EV_POINT_LEN + iwe.u.data.length;
1847         current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, ssid);
1848
1849         memset(&iwe, 0, sizeof(iwe));
1850         iwe.cmd = SIOCGIWMODE;
1851         if (bss) {
1852                 capabilities = bss->capab_info;
1853         } else {
1854                 capabilities = le16_to_cpu(scan->capability);
1855         }
1856         if (capabilities & (WLAN_CAPABILITY_ESS |
1857                             WLAN_CAPABILITY_IBSS)) {
1858                 if (capabilities & WLAN_CAPABILITY_ESS)
1859                         iwe.u.mode = IW_MODE_MASTER;
1860                 else
1861                         iwe.u.mode = IW_MODE_ADHOC;
1862                 iwe.len = IW_EV_UINT_LEN;
1863                 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
1864                                                   IW_EV_UINT_LEN);
1865         }
1866
1867         memset(&iwe, 0, sizeof(iwe));
1868         iwe.cmd = SIOCGIWFREQ;
1869         if (scan) {
1870                 chan = scan->chid;
1871         } else if (bss) {
1872                 chan = bss->chan;
1873         } else {
1874                 chan = 0;
1875         }
1876
1877         if (chan > 0) {
1878                 iwe.u.freq.m = freq_list[le16_to_cpu(chan - 1)] * 100000;
1879                 iwe.u.freq.e = 1;
1880                 iwe.len = IW_EV_FREQ_LEN;
1881                 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
1882                                                   IW_EV_FREQ_LEN);
1883         }
1884
1885         if (scan) {
1886                 memset(&iwe, 0, sizeof(iwe));
1887                 iwe.cmd = IWEVQUAL;
1888                 if (local->last_scan_type == PRISM2_HOSTSCAN) {
1889                         iwe.u.qual.level = le16_to_cpu(scan->sl);
1890                         iwe.u.qual.noise = le16_to_cpu(scan->anl);
1891                 } else {
1892                         iwe.u.qual.level =
1893                                 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->sl));
1894                         iwe.u.qual.noise =
1895                                 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl));
1896                 }
1897                 iwe.len = IW_EV_QUAL_LEN;
1898                 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
1899                                                   IW_EV_QUAL_LEN);
1900         }
1901
1902         memset(&iwe, 0, sizeof(iwe));
1903         iwe.cmd = SIOCGIWENCODE;
1904         if (capabilities & WLAN_CAPABILITY_PRIVACY)
1905                 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
1906         else
1907                 iwe.u.data.flags = IW_ENCODE_DISABLED;
1908         iwe.u.data.length = 0;
1909         iwe.len = IW_EV_POINT_LEN + iwe.u.data.length;
1910         current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, "");
1911
1912         /* TODO: add SuppRates into BSS table */
1913         if (scan) {
1914                 memset(&iwe, 0, sizeof(iwe));
1915                 iwe.cmd = SIOCGIWRATE;
1916                 current_val = current_ev + IW_EV_LCP_LEN;
1917                 pos = scan->sup_rates;
1918                 for (i = 0; i < sizeof(scan->sup_rates); i++) {
1919                         if (pos[i] == 0)
1920                                 break;
1921                         /* Bit rate given in 500 kb/s units (+ 0x80) */
1922                         iwe.u.bitrate.value = ((pos[i] & 0x7f) * 500000);
1923                         current_val = iwe_stream_add_value(
1924                                 current_ev, current_val, end_buf, &iwe,
1925                                 IW_EV_PARAM_LEN);
1926                 }
1927                 /* Check if we added any event */
1928                 if ((current_val - current_ev) > IW_EV_LCP_LEN)
1929                         current_ev = current_val;
1930         }
1931
1932         /* TODO: add BeaconInt,resp_rate,atim into BSS table */
1933         buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_KERNEL);
1934         if (buf && scan) {
1935                 memset(&iwe, 0, sizeof(iwe));
1936                 iwe.cmd = IWEVCUSTOM;
1937                 sprintf(buf, "bcn_int=%d", le16_to_cpu(scan->beacon_interval));
1938                 iwe.u.data.length = strlen(buf);
1939                 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
1940                                                   buf);
1941
1942                 memset(&iwe, 0, sizeof(iwe));
1943                 iwe.cmd = IWEVCUSTOM;
1944                 sprintf(buf, "resp_rate=%d", le16_to_cpu(scan->rate));
1945                 iwe.u.data.length = strlen(buf);
1946                 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
1947                                                   buf);
1948
1949                 if (local->last_scan_type == PRISM2_HOSTSCAN &&
1950                     (capabilities & WLAN_CAPABILITY_IBSS)) {
1951                         memset(&iwe, 0, sizeof(iwe));
1952                         iwe.cmd = IWEVCUSTOM;
1953                         sprintf(buf, "atim=%d", le16_to_cpu(scan->atim));
1954                         iwe.u.data.length = strlen(buf);
1955                         current_ev = iwe_stream_add_point(current_ev, end_buf,
1956                                                           &iwe, buf);
1957                 }
1958         }
1959         kfree(buf);
1960
1961         if (bss && bss->wpa_ie_len > 0 && bss->wpa_ie_len <= MAX_WPA_IE_LEN) {
1962                 memset(&iwe, 0, sizeof(iwe));
1963                 iwe.cmd = IWEVGENIE;
1964                 iwe.u.data.length = bss->wpa_ie_len;
1965                 current_ev = iwe_stream_add_point(
1966                         current_ev, end_buf, &iwe, bss->wpa_ie);
1967         }
1968
1969         if (bss && bss->rsn_ie_len > 0 && bss->rsn_ie_len <= MAX_WPA_IE_LEN) {
1970                 memset(&iwe, 0, sizeof(iwe));
1971                 iwe.cmd = IWEVGENIE;
1972                 iwe.u.data.length = bss->rsn_ie_len;
1973                 current_ev = iwe_stream_add_point(
1974                         current_ev, end_buf, &iwe, bss->rsn_ie);
1975         }
1976
1977         return current_ev;
1978 }
1979
1980
1981 /* Translate scan data returned from the card to a card independant
1982  * format that the Wireless Tools will understand - Jean II */
1983 static inline int prism2_translate_scan(local_info_t *local,
1984                                         char *buffer, int buflen)
1985 {
1986         struct hfa384x_hostscan_result *scan;
1987         int entry, hostscan;
1988         char *current_ev = buffer;
1989         char *end_buf = buffer + buflen;
1990         struct list_head *ptr;
1991
1992         spin_lock_bh(&local->lock);
1993
1994         list_for_each(ptr, &local->bss_list) {
1995                 struct hostap_bss_info *bss;
1996                 bss = list_entry(ptr, struct hostap_bss_info, list);
1997                 bss->included = 0;
1998         }
1999
2000         hostscan = local->last_scan_type == PRISM2_HOSTSCAN;
2001         for (entry = 0; entry < local->last_scan_results_count; entry++) {
2002                 int found = 0;
2003                 scan = &local->last_scan_results[entry];
2004
2005                 /* Report every SSID if the AP is using multiple SSIDs. If no
2006                  * BSS record is found (e.g., when WPA mode is disabled),
2007                  * report the AP once. */
2008                 list_for_each(ptr, &local->bss_list) {
2009                         struct hostap_bss_info *bss;
2010                         bss = list_entry(ptr, struct hostap_bss_info, list);
2011                         if (memcmp(bss->bssid, scan->bssid, ETH_ALEN) == 0) {
2012                                 bss->included = 1;
2013                                 current_ev = __prism2_translate_scan(
2014                                         local, scan, bss, current_ev, end_buf);
2015                                 found++;
2016                         }
2017                 }
2018                 if (!found) {
2019                         current_ev = __prism2_translate_scan(
2020                                 local, scan, NULL, current_ev, end_buf);
2021                 }
2022                 /* Check if there is space for one more entry */
2023                 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2024                         /* Ask user space to try again with a bigger buffer */
2025                         spin_unlock_bh(&local->lock);
2026                         return -E2BIG;
2027                 }
2028         }
2029
2030         /* Prism2 firmware has limits (32 at least in some versions) for number
2031          * of BSSes in scan results. Extend this limit by using local BSS list.
2032          */
2033         list_for_each(ptr, &local->bss_list) {
2034                 struct hostap_bss_info *bss;
2035                 bss = list_entry(ptr, struct hostap_bss_info, list);
2036                 if (bss->included)
2037                         continue;
2038                 current_ev = __prism2_translate_scan(local, NULL, bss,
2039                                                      current_ev, end_buf);
2040                 /* Check if there is space for one more entry */
2041                 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2042                         /* Ask user space to try again with a bigger buffer */
2043                         spin_unlock_bh(&local->lock);
2044                         return -E2BIG;
2045                 }
2046         }
2047
2048         spin_unlock_bh(&local->lock);
2049
2050         return current_ev - buffer;
2051 }
2052 #endif /* PRISM2_NO_STATION_MODES */
2053
2054
2055 static inline int prism2_ioctl_giwscan_sta(struct net_device *dev,
2056                                            struct iw_request_info *info,
2057                                            struct iw_point *data, char *extra)
2058 {
2059 #ifdef PRISM2_NO_STATION_MODES
2060         return -EOPNOTSUPP;
2061 #else /* PRISM2_NO_STATION_MODES */
2062         struct hostap_interface *iface;
2063         local_info_t *local;
2064         int res;
2065
2066         iface = netdev_priv(dev);
2067         local = iface->local;
2068
2069         /* Wait until the scan is finished. We can probably do better
2070          * than that - Jean II */
2071         if (local->scan_timestamp &&
2072             time_before(jiffies, local->scan_timestamp + 3 * HZ)) {
2073                 /* Important note : we don't want to block the caller
2074                  * until results are ready for various reasons.
2075                  * First, managing wait queues is complex and racy
2076                  * (there may be multiple simultaneous callers).
2077                  * Second, we grab some rtnetlink lock before comming
2078                  * here (in dev_ioctl()).
2079                  * Third, the caller can wait on the Wireless Event
2080                  * - Jean II */
2081                 return -EAGAIN;
2082         }
2083         local->scan_timestamp = 0;
2084
2085         res = prism2_translate_scan(local, extra, data->length);
2086
2087         if (res >= 0) {
2088                 data->length = res;
2089                 return 0;
2090         } else {
2091                 data->length = 0;
2092                 return res;
2093         }
2094 #endif /* PRISM2_NO_STATION_MODES */
2095 }
2096
2097
2098 static int prism2_ioctl_giwscan(struct net_device *dev,
2099                                 struct iw_request_info *info,
2100                                 struct iw_point *data, char *extra)
2101 {
2102         struct hostap_interface *iface;
2103         local_info_t *local;
2104         int res;
2105
2106         iface = netdev_priv(dev);
2107         local = iface->local;
2108
2109         if (local->iw_mode == IW_MODE_MASTER) {
2110                 /* In MASTER mode, it doesn't make sense to go around
2111                  * scanning the frequencies and make the stations we serve
2112                  * wait when what the user is really interested about is the
2113                  * list of stations and access points we are talking to.
2114                  * So, just extract results from our cache...
2115                  * Jean II */
2116
2117                 /* Translate to WE format */
2118                 res = prism2_ap_translate_scan(dev, extra);
2119                 if (res >= 0) {
2120                         printk(KERN_DEBUG "Scan result translation succeeded "
2121                                "(length=%d)\n", res);
2122                         data->length = res;
2123                         return 0;
2124                 } else {
2125                         printk(KERN_DEBUG
2126                                "Scan result translation failed (res=%d)\n",
2127                                res);
2128                         data->length = 0;
2129                         return res;
2130                 }
2131         } else {
2132                 /* Station mode */
2133                 return prism2_ioctl_giwscan_sta(dev, info, data, extra);
2134         }
2135 }
2136
2137
2138 static const struct iw_priv_args prism2_priv[] = {
2139         { PRISM2_IOCTL_MONITOR,
2140           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor" },
2141         { PRISM2_IOCTL_READMIF,
2142           IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
2143           IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "readmif" },
2144         { PRISM2_IOCTL_WRITEMIF,
2145           IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 2, 0, "writemif" },
2146         { PRISM2_IOCTL_RESET,
2147           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "reset" },
2148         { PRISM2_IOCTL_INQUIRE,
2149           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inquire" },
2150         { PRISM2_IOCTL_SET_RID_WORD,
2151           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_rid_word" },
2152         { PRISM2_IOCTL_MACCMD,
2153           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maccmd" },
2154         { PRISM2_IOCTL_WDS_ADD,
2155           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_add" },
2156         { PRISM2_IOCTL_WDS_DEL,
2157           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_del" },
2158         { PRISM2_IOCTL_ADDMAC,
2159           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "addmac" },
2160         { PRISM2_IOCTL_DELMAC,
2161           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "delmac" },
2162         { PRISM2_IOCTL_KICKMAC,
2163           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac" },
2164         /* --- raw access to sub-ioctls --- */
2165         { PRISM2_IOCTL_PRISM2_PARAM,
2166           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "prism2_param" },
2167         { PRISM2_IOCTL_GET_PRISM2_PARAM,
2168           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2169           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprism2_param" },
2170         /* --- sub-ioctls handlers --- */
2171         { PRISM2_IOCTL_PRISM2_PARAM,
2172           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "" },
2173         { PRISM2_IOCTL_GET_PRISM2_PARAM,
2174           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "" },
2175         /* --- sub-ioctls definitions --- */
2176         { PRISM2_PARAM_TXRATECTRL,
2177           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txratectrl" },
2178         { PRISM2_PARAM_TXRATECTRL,
2179           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettxratectrl" },
2180         { PRISM2_PARAM_BEACON_INT,
2181           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "beacon_int" },
2182         { PRISM2_PARAM_BEACON_INT,
2183           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbeacon_int" },
2184 #ifndef PRISM2_NO_STATION_MODES
2185         { PRISM2_PARAM_PSEUDO_IBSS,
2186           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pseudo_ibss" },
2187         { PRISM2_PARAM_PSEUDO_IBSS,
2188           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getpseudo_ibss" },
2189 #endif /* PRISM2_NO_STATION_MODES */
2190         { PRISM2_PARAM_ALC,
2191           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "alc" },
2192         { PRISM2_PARAM_ALC,
2193           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getalc" },
2194         { PRISM2_PARAM_DUMP,
2195           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dump" },
2196         { PRISM2_PARAM_DUMP,
2197           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdump" },
2198         { PRISM2_PARAM_OTHER_AP_POLICY,
2199           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "other_ap_policy" },
2200         { PRISM2_PARAM_OTHER_AP_POLICY,
2201           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getother_ap_pol" },
2202         { PRISM2_PARAM_AP_MAX_INACTIVITY,
2203           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_inactivity" },
2204         { PRISM2_PARAM_AP_MAX_INACTIVITY,
2205           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_inactivi" },
2206         { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2207           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bridge_packets" },
2208         { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2209           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbridge_packe" },
2210         { PRISM2_PARAM_DTIM_PERIOD,
2211           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dtim_period" },
2212         { PRISM2_PARAM_DTIM_PERIOD,
2213           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdtim_period" },
2214         { PRISM2_PARAM_AP_NULLFUNC_ACK,
2215           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "nullfunc_ack" },
2216         { PRISM2_PARAM_AP_NULLFUNC_ACK,
2217           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getnullfunc_ack" },
2218         { PRISM2_PARAM_MAX_WDS,
2219           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_wds" },
2220         { PRISM2_PARAM_MAX_WDS,
2221           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_wds" },
2222         { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2223           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "autom_ap_wds" },
2224         { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2225           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getautom_ap_wds" },
2226         { PRISM2_PARAM_AP_AUTH_ALGS,
2227           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_auth_algs" },
2228         { PRISM2_PARAM_AP_AUTH_ALGS,
2229           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_auth_algs" },
2230         { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2231           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "allow_fcserr" },
2232         { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2233           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getallow_fcserr" },
2234         { PRISM2_PARAM_HOST_ENCRYPT,
2235           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_encrypt" },
2236         { PRISM2_PARAM_HOST_ENCRYPT,
2237           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_encrypt" },
2238         { PRISM2_PARAM_HOST_DECRYPT,
2239           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_decrypt" },
2240         { PRISM2_PARAM_HOST_DECRYPT,
2241           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_decrypt" },
2242 #ifndef PRISM2_NO_STATION_MODES
2243         { PRISM2_PARAM_HOST_ROAMING,
2244           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_roaming" },
2245         { PRISM2_PARAM_HOST_ROAMING,
2246           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_roaming" },
2247 #endif /* PRISM2_NO_STATION_MODES */
2248         { PRISM2_PARAM_BCRX_STA_KEY,
2249           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bcrx_sta_key" },
2250         { PRISM2_PARAM_BCRX_STA_KEY,
2251           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbcrx_sta_key" },
2252         { PRISM2_PARAM_IEEE_802_1X,
2253           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ieee_802_1x" },
2254         { PRISM2_PARAM_IEEE_802_1X,
2255           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getieee_802_1x" },
2256         { PRISM2_PARAM_ANTSEL_TX,
2257           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_tx" },
2258         { PRISM2_PARAM_ANTSEL_TX,
2259           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_tx" },
2260         { PRISM2_PARAM_ANTSEL_RX,
2261           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_rx" },
2262         { PRISM2_PARAM_ANTSEL_RX,
2263           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_rx" },
2264         { PRISM2_PARAM_MONITOR_TYPE,
2265           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor_type" },
2266         { PRISM2_PARAM_MONITOR_TYPE,
2267           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmonitor_type" },
2268         { PRISM2_PARAM_WDS_TYPE,
2269           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wds_type" },
2270         { PRISM2_PARAM_WDS_TYPE,
2271           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwds_type" },
2272         { PRISM2_PARAM_HOSTSCAN,
2273           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostscan" },
2274         { PRISM2_PARAM_HOSTSCAN,
2275           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostscan" },
2276         { PRISM2_PARAM_AP_SCAN,
2277           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_scan" },
2278         { PRISM2_PARAM_AP_SCAN,
2279           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_scan" },
2280         { PRISM2_PARAM_ENH_SEC,
2281           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "enh_sec" },
2282         { PRISM2_PARAM_ENH_SEC,
2283           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getenh_sec" },
2284 #ifdef PRISM2_IO_DEBUG
2285         { PRISM2_PARAM_IO_DEBUG,
2286           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "io_debug" },
2287         { PRISM2_PARAM_IO_DEBUG,
2288           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getio_debug" },
2289 #endif /* PRISM2_IO_DEBUG */
2290         { PRISM2_PARAM_BASIC_RATES,
2291           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "basic_rates" },
2292         { PRISM2_PARAM_BASIC_RATES,
2293           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbasic_rates" },
2294         { PRISM2_PARAM_OPER_RATES,
2295           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "oper_rates" },
2296         { PRISM2_PARAM_OPER_RATES,
2297           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getoper_rates" },
2298         { PRISM2_PARAM_HOSTAPD,
2299           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd" },
2300         { PRISM2_PARAM_HOSTAPD,
2301           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd" },
2302         { PRISM2_PARAM_HOSTAPD_STA,
2303           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd_sta" },
2304         { PRISM2_PARAM_HOSTAPD_STA,
2305           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd_sta" },
2306         { PRISM2_PARAM_WPA,
2307           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wpa" },
2308         { PRISM2_PARAM_WPA,
2309           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwpa" },
2310         { PRISM2_PARAM_PRIVACY_INVOKED,
2311           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "privacy_invoked" },
2312         { PRISM2_PARAM_PRIVACY_INVOKED,
2313           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprivacy_invo" },
2314         { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2315           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "tkip_countermea" },
2316         { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2317           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettkip_counter" },
2318         { PRISM2_PARAM_DROP_UNENCRYPTED,
2319           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "drop_unencrypte" },
2320         { PRISM2_PARAM_DROP_UNENCRYPTED,
2321           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdrop_unencry" },
2322         { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2323           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "scan_channels" },
2324         { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2325           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getscan_channel" },
2326 };
2327
2328
2329 static int prism2_ioctl_priv_inquire(struct net_device *dev, int *i)
2330 {
2331         struct hostap_interface *iface;
2332         local_info_t *local;
2333
2334         iface = netdev_priv(dev);
2335         local = iface->local;
2336
2337         if (local->func->cmd(dev, HFA384X_CMDCODE_INQUIRE, *i, NULL, NULL))
2338                 return -EOPNOTSUPP;
2339
2340         return 0;
2341 }
2342
2343
2344 static int prism2_ioctl_priv_prism2_param(struct net_device *dev,
2345                                           struct iw_request_info *info,
2346                                           void *wrqu, char *extra)
2347 {
2348         struct hostap_interface *iface;
2349         local_info_t *local;
2350         int *i = (int *) extra;
2351         int param = *i;
2352         int value = *(i + 1);
2353         int ret = 0;
2354         u16 val;
2355
2356         iface = netdev_priv(dev);
2357         local = iface->local;
2358
2359         switch (param) {
2360         case PRISM2_PARAM_TXRATECTRL:
2361                 local->fw_tx_rate_control = value;
2362                 break;
2363
2364         case PRISM2_PARAM_BEACON_INT:
2365                 if (hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, value) ||
2366                     local->func->reset_port(dev))
2367                         ret = -EINVAL;
2368                 else
2369                         local->beacon_int = value;
2370                 break;
2371
2372 #ifndef PRISM2_NO_STATION_MODES
2373         case PRISM2_PARAM_PSEUDO_IBSS:
2374                 if (value == local->pseudo_adhoc)
2375                         break;
2376
2377                 if (value != 0 && value != 1) {
2378                         ret = -EINVAL;
2379                         break;
2380                 }
2381
2382                 printk(KERN_DEBUG "prism2: %s: pseudo IBSS change %d -> %d\n",
2383                        dev->name, local->pseudo_adhoc, value);
2384                 local->pseudo_adhoc = value;
2385                 if (local->iw_mode != IW_MODE_ADHOC)
2386                         break;
2387
2388                 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2389                                     hostap_get_porttype(local))) {
2390                         ret = -EOPNOTSUPP;
2391                         break;
2392                 }
2393
2394                 if (local->func->reset_port(dev))
2395                         ret = -EINVAL;
2396                 break;
2397 #endif /* PRISM2_NO_STATION_MODES */
2398
2399         case PRISM2_PARAM_ALC:
2400                 printk(KERN_DEBUG "%s: %s ALC\n", dev->name,
2401                        value == 0 ? "Disabling" : "Enabling");
2402                 val = HFA384X_TEST_CFG_BIT_ALC;
2403                 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
2404                                  (HFA384X_TEST_CFG_BITS << 8),
2405                                  value == 0 ? 0 : 1, &val, NULL);
2406                 break;
2407
2408         case PRISM2_PARAM_DUMP:
2409                 local->frame_dump = value;
2410                 break;
2411
2412         case PRISM2_PARAM_OTHER_AP_POLICY:
2413                 if (value < 0 || value > 3) {
2414                         ret = -EINVAL;
2415                         break;
2416                 }
2417                 if (local->ap != NULL)
2418                         local->ap->ap_policy = value;
2419                 break;
2420
2421         case PRISM2_PARAM_AP_MAX_INACTIVITY:
2422                 if (value < 0 || value > 7 * 24 * 60 * 60) {
2423                         ret = -EINVAL;
2424                         break;
2425                 }
2426                 if (local->ap != NULL)
2427                         local->ap->max_inactivity = value * HZ;
2428                 break;
2429
2430         case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2431                 if (local->ap != NULL)
2432                         local->ap->bridge_packets = value;
2433                 break;
2434
2435         case PRISM2_PARAM_DTIM_PERIOD:
2436                 if (value < 0 || value > 65535) {
2437                         ret = -EINVAL;
2438                         break;
2439                 }
2440                 if (hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, value)
2441                     || local->func->reset_port(dev))
2442                         ret = -EINVAL;
2443                 else
2444                         local->dtim_period = value;
2445                 break;
2446
2447         case PRISM2_PARAM_AP_NULLFUNC_ACK:
2448                 if (local->ap != NULL)
2449                         local->ap->nullfunc_ack = value;
2450                 break;
2451
2452         case PRISM2_PARAM_MAX_WDS:
2453                 local->wds_max_connections = value;
2454                 break;
2455
2456         case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2457                 if (local->ap != NULL) {
2458                         if (!local->ap->autom_ap_wds && value) {
2459                                 /* add WDS link to all APs in STA table */
2460                                 hostap_add_wds_links(local);
2461                         }
2462                         local->ap->autom_ap_wds = value;
2463                 }
2464                 break;
2465
2466         case PRISM2_PARAM_AP_AUTH_ALGS:
2467                 local->auth_algs = value;
2468                 if (hostap_set_auth_algs(local))
2469                         ret = -EINVAL;
2470                 break;
2471
2472         case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2473                 local->monitor_allow_fcserr = value;
2474                 break;
2475
2476         case PRISM2_PARAM_HOST_ENCRYPT:
2477                 local->host_encrypt = value;
2478                 if (hostap_set_encryption(local) ||
2479                     local->func->reset_port(dev))
2480                         ret = -EINVAL;
2481                 break;
2482
2483         case PRISM2_PARAM_HOST_DECRYPT:
2484                 local->host_decrypt = value;
2485                 if (hostap_set_encryption(local) ||
2486                     local->func->reset_port(dev))
2487                         ret = -EINVAL;
2488                 break;
2489
2490 #ifndef PRISM2_NO_STATION_MODES
2491         case PRISM2_PARAM_HOST_ROAMING:
2492                 if (value < 0 || value > 2) {
2493                         ret = -EINVAL;
2494                         break;
2495                 }
2496                 local->host_roaming = value;
2497                 if (hostap_set_roaming(local) || local->func->reset_port(dev))
2498                         ret = -EINVAL;
2499                 break;
2500 #endif /* PRISM2_NO_STATION_MODES */
2501
2502         case PRISM2_PARAM_BCRX_STA_KEY:
2503                 local->bcrx_sta_key = value;
2504                 break;
2505
2506         case PRISM2_PARAM_IEEE_802_1X:
2507                 local->ieee_802_1x = value;
2508                 break;
2509
2510         case PRISM2_PARAM_ANTSEL_TX:
2511                 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2512                         ret = -EINVAL;
2513                         break;
2514                 }
2515                 local->antsel_tx = value;
2516                 hostap_set_antsel(local);
2517                 break;
2518
2519         case PRISM2_PARAM_ANTSEL_RX:
2520                 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2521                         ret = -EINVAL;
2522                         break;
2523                 }
2524                 local->antsel_rx = value;
2525                 hostap_set_antsel(local);
2526                 break;
2527
2528         case PRISM2_PARAM_MONITOR_TYPE:
2529                 if (value != PRISM2_MONITOR_80211 &&
2530                     value != PRISM2_MONITOR_CAPHDR &&
2531                     value != PRISM2_MONITOR_PRISM) {
2532                         ret = -EINVAL;
2533                         break;
2534                 }
2535                 local->monitor_type = value;
2536                 if (local->iw_mode == IW_MODE_MONITOR)
2537                         hostap_monitor_set_type(local);
2538                 break;
2539
2540         case PRISM2_PARAM_WDS_TYPE:
2541                 local->wds_type = value;
2542                 break;
2543
2544         case PRISM2_PARAM_HOSTSCAN:
2545         {
2546                 struct hfa384x_hostscan_request scan_req;
2547                 u16 rate;
2548
2549                 memset(&scan_req, 0, sizeof(scan_req));
2550                 scan_req.channel_list = __constant_cpu_to_le16(0x3fff);
2551                 switch (value) {
2552                 case 1: rate = HFA384X_RATES_1MBPS; break;
2553                 case 2: rate = HFA384X_RATES_2MBPS; break;
2554                 case 3: rate = HFA384X_RATES_5MBPS; break;
2555                 case 4: rate = HFA384X_RATES_11MBPS; break;
2556                 default: rate = HFA384X_RATES_1MBPS; break;
2557                 }
2558                 scan_req.txrate = cpu_to_le16(rate);
2559                 /* leave SSID empty to accept all SSIDs */
2560
2561                 if (local->iw_mode == IW_MODE_MASTER) {
2562                         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2563                                             HFA384X_PORTTYPE_BSS) ||
2564                             local->func->reset_port(dev))
2565                                 printk(KERN_DEBUG "Leaving Host AP mode "
2566                                        "for HostScan failed\n");
2567                 }
2568
2569                 if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
2570                                          sizeof(scan_req))) {
2571                         printk(KERN_DEBUG "HOSTSCAN failed\n");
2572                         ret = -EINVAL;
2573                 }
2574                 if (local->iw_mode == IW_MODE_MASTER) {
2575                         wait_queue_t __wait;
2576                         init_waitqueue_entry(&__wait, current);
2577                         add_wait_queue(&local->hostscan_wq, &__wait);
2578                         set_current_state(TASK_INTERRUPTIBLE);
2579                         schedule_timeout(HZ);
2580                         if (signal_pending(current))
2581                                 ret = -EINTR;
2582                         set_current_state(TASK_RUNNING);
2583                         remove_wait_queue(&local->hostscan_wq, &__wait);
2584
2585                         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2586                                             HFA384X_PORTTYPE_HOSTAP) ||
2587                             local->func->reset_port(dev))
2588                                 printk(KERN_DEBUG "Returning to Host AP mode "
2589                                        "after HostScan failed\n");
2590                 }
2591                 break;
2592         }
2593
2594         case PRISM2_PARAM_AP_SCAN:
2595                 local->passive_scan_interval = value;
2596                 if (timer_pending(&local->passive_scan_timer))
2597                         del_timer(&local->passive_scan_timer);
2598                 if (value > 0) {
2599                         local->passive_scan_timer.expires = jiffies +
2600                                 local->passive_scan_interval * HZ;
2601                         add_timer(&local->passive_scan_timer);
2602                 }
2603                 break;
2604
2605         case PRISM2_PARAM_ENH_SEC:
2606                 if (value < 0 || value > 3) {
2607                         ret = -EINVAL;
2608                         break;
2609                 }
2610                 local->enh_sec = value;
2611                 if (hostap_set_word(dev, HFA384X_RID_CNFENHSECURITY,
2612                                     local->enh_sec) ||
2613                     local->func->reset_port(dev)) {
2614                         printk(KERN_INFO "%s: cnfEnhSecurity requires STA f/w "
2615                                "1.6.3 or newer\n", dev->name);
2616                         ret = -EOPNOTSUPP;
2617                 }
2618                 break;
2619
2620 #ifdef PRISM2_IO_DEBUG
2621         case PRISM2_PARAM_IO_DEBUG:
2622                 local->io_debug_enabled = value;
2623                 break;
2624 #endif /* PRISM2_IO_DEBUG */
2625
2626         case PRISM2_PARAM_BASIC_RATES:
2627                 if ((value & local->tx_rate_control) != value || value == 0) {
2628                         printk(KERN_INFO "%s: invalid basic rate set - basic "
2629                                "rates must be in supported rate set\n",
2630                                dev->name);
2631                         ret = -EINVAL;
2632                         break;
2633                 }
2634                 local->basic_rates = value;
2635                 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
2636                                     local->basic_rates) ||
2637                     local->func->reset_port(dev))
2638                         ret = -EINVAL;
2639                 break;
2640
2641         case PRISM2_PARAM_OPER_RATES:
2642                 local->tx_rate_control = value;
2643                 if (hostap_set_rate(dev))
2644                         ret = -EINVAL;
2645                 break;
2646
2647         case PRISM2_PARAM_HOSTAPD:
2648                 ret = hostap_set_hostapd(local, value, 1);
2649                 break;
2650
2651         case PRISM2_PARAM_HOSTAPD_STA:
2652                 ret = hostap_set_hostapd_sta(local, value, 1);
2653                 break;
2654
2655         case PRISM2_PARAM_WPA:
2656                 local->wpa = value;
2657                 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2658                         ret = -EOPNOTSUPP;
2659                 else if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
2660                                          value ? 1 : 0))
2661                         ret = -EINVAL;
2662                 break;
2663
2664         case PRISM2_PARAM_PRIVACY_INVOKED:
2665                 local->privacy_invoked = value;
2666                 if (hostap_set_encryption(local) ||
2667                     local->func->reset_port(dev))
2668                         ret = -EINVAL;
2669                 break;
2670
2671         case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2672                 local->tkip_countermeasures = value;
2673                 break;
2674
2675         case PRISM2_PARAM_DROP_UNENCRYPTED:
2676                 local->drop_unencrypted = value;
2677                 break;
2678
2679         case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2680                 local->scan_channel_mask = value;
2681                 break;
2682
2683         default:
2684                 printk(KERN_DEBUG "%s: prism2_param: unknown param %d\n",
2685                        dev->name, param);
2686                 ret = -EOPNOTSUPP;
2687                 break;
2688         }
2689
2690         return ret;
2691 }
2692
2693
2694 static int prism2_ioctl_priv_get_prism2_param(struct net_device *dev,
2695                                               struct iw_request_info *info,
2696                                               void *wrqu, char *extra)
2697 {
2698         struct hostap_interface *iface;
2699         local_info_t *local;
2700         int *param = (int *) extra;
2701         int ret = 0;
2702
2703         iface = netdev_priv(dev);
2704         local = iface->local;
2705
2706         switch (*param) {
2707         case PRISM2_PARAM_TXRATECTRL:
2708                 *param = local->fw_tx_rate_control;
2709                 break;
2710
2711         case PRISM2_PARAM_BEACON_INT:
2712                 *param = local->beacon_int;
2713                 break;
2714
2715         case PRISM2_PARAM_PSEUDO_IBSS:
2716                 *param = local->pseudo_adhoc;
2717                 break;
2718
2719         case PRISM2_PARAM_ALC:
2720                 ret = -EOPNOTSUPP; /* FIX */
2721                 break;
2722
2723         case PRISM2_PARAM_DUMP:
2724                 *param = local->frame_dump;
2725                 break;
2726
2727         case PRISM2_PARAM_OTHER_AP_POLICY:
2728                 if (local->ap != NULL)
2729                         *param = local->ap->ap_policy;
2730                 else
2731                         ret = -EOPNOTSUPP;
2732                 break;
2733
2734         case PRISM2_PARAM_AP_MAX_INACTIVITY:
2735                 if (local->ap != NULL)
2736                         *param = local->ap->max_inactivity / HZ;
2737                 else
2738                         ret = -EOPNOTSUPP;
2739                 break;
2740
2741         case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2742                 if (local->ap != NULL)
2743                         *param = local->ap->bridge_packets;
2744                 else
2745                         ret = -EOPNOTSUPP;
2746                 break;
2747
2748         case PRISM2_PARAM_DTIM_PERIOD:
2749                 *param = local->dtim_period;
2750                 break;
2751
2752         case PRISM2_PARAM_AP_NULLFUNC_ACK:
2753                 if (local->ap != NULL)
2754                         *param = local->ap->nullfunc_ack;
2755                 else
2756                         ret = -EOPNOTSUPP;
2757                 break;
2758
2759         case PRISM2_PARAM_MAX_WDS:
2760                 *param = local->wds_max_connections;
2761                 break;
2762
2763         case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2764                 if (local->ap != NULL)
2765                         *param = local->ap->autom_ap_wds;
2766                 else
2767                         ret = -EOPNOTSUPP;
2768                 break;
2769
2770         case PRISM2_PARAM_AP_AUTH_ALGS:
2771                 *param = local->auth_algs;
2772                 break;
2773
2774         case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2775                 *param = local->monitor_allow_fcserr;
2776                 break;
2777
2778         case PRISM2_PARAM_HOST_ENCRYPT:
2779                 *param = local->host_encrypt;
2780                 break;
2781
2782         case PRISM2_PARAM_HOST_DECRYPT:
2783                 *param = local->host_decrypt;
2784                 break;
2785
2786         case PRISM2_PARAM_HOST_ROAMING:
2787                 *param = local->host_roaming;
2788                 break;
2789
2790         case PRISM2_PARAM_BCRX_STA_KEY:
2791                 *param = local->bcrx_sta_key;
2792                 break;
2793
2794         case PRISM2_PARAM_IEEE_802_1X:
2795                 *param = local->ieee_802_1x;
2796                 break;
2797
2798         case PRISM2_PARAM_ANTSEL_TX:
2799                 *param = local->antsel_tx;
2800                 break;
2801
2802         case PRISM2_PARAM_ANTSEL_RX:
2803                 *param = local->antsel_rx;
2804                 break;
2805
2806         case PRISM2_PARAM_MONITOR_TYPE:
2807                 *param = local->monitor_type;
2808                 break;
2809
2810         case PRISM2_PARAM_WDS_TYPE:
2811                 *param = local->wds_type;
2812                 break;
2813
2814         case PRISM2_PARAM_HOSTSCAN:
2815                 ret = -EOPNOTSUPP;
2816                 break;
2817
2818         case PRISM2_PARAM_AP_SCAN:
2819                 *param = local->passive_scan_interval;
2820                 break;
2821
2822         case PRISM2_PARAM_ENH_SEC:
2823                 *param = local->enh_sec;
2824                 break;
2825
2826 #ifdef PRISM2_IO_DEBUG
2827         case PRISM2_PARAM_IO_DEBUG:
2828                 *param = local->io_debug_enabled;
2829                 break;
2830 #endif /* PRISM2_IO_DEBUG */
2831
2832         case PRISM2_PARAM_BASIC_RATES:
2833                 *param = local->basic_rates;
2834                 break;
2835
2836         case PRISM2_PARAM_OPER_RATES:
2837                 *param = local->tx_rate_control;
2838                 break;
2839
2840         case PRISM2_PARAM_HOSTAPD:
2841                 *param = local->hostapd;
2842                 break;
2843
2844         case PRISM2_PARAM_HOSTAPD_STA:
2845                 *param = local->hostapd_sta;
2846                 break;
2847
2848         case PRISM2_PARAM_WPA:
2849                 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2850                         ret = -EOPNOTSUPP;
2851                 *param = local->wpa;
2852                 break;
2853
2854         case PRISM2_PARAM_PRIVACY_INVOKED:
2855                 *param = local->privacy_invoked;
2856                 break;
2857
2858         case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2859                 *param = local->tkip_countermeasures;
2860                 break;
2861
2862         case PRISM2_PARAM_DROP_UNENCRYPTED:
2863                 *param = local->drop_unencrypted;
2864                 break;
2865
2866         case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2867                 *param = local->scan_channel_mask;
2868                 break;
2869
2870         default:
2871                 printk(KERN_DEBUG "%s: get_prism2_param: unknown param %d\n",
2872                        dev->name, *param);
2873                 ret = -EOPNOTSUPP;
2874                 break;
2875         }
2876
2877         return ret;
2878 }
2879
2880
2881 static int prism2_ioctl_priv_readmif(struct net_device *dev,
2882                                      struct iw_request_info *info,
2883                                      void *wrqu, char *extra)
2884 {
2885         struct hostap_interface *iface;
2886         local_info_t *local;
2887         u16 resp0;
2888
2889         iface = netdev_priv(dev);
2890         local = iface->local;
2891
2892         if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF, *extra, NULL,
2893                              &resp0))
2894                 return -EOPNOTSUPP;
2895         else
2896                 *extra = resp0;
2897
2898         return 0;
2899 }
2900
2901
2902 static int prism2_ioctl_priv_writemif(struct net_device *dev,
2903                                       struct iw_request_info *info,
2904                                       void *wrqu, char *extra)
2905 {
2906         struct hostap_interface *iface;
2907         local_info_t *local;
2908         u16 cr, val;
2909
2910         iface = netdev_priv(dev);
2911         local = iface->local;
2912
2913         cr = *extra;
2914         val = *(extra + 1);
2915         if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, cr, &val, NULL))
2916                 return -EOPNOTSUPP;
2917
2918         return 0;
2919 }
2920
2921
2922 static int prism2_ioctl_priv_monitor(struct net_device *dev, int *i)
2923 {
2924         struct hostap_interface *iface;
2925         local_info_t *local;
2926         int ret = 0;
2927         u32 mode;
2928
2929         iface = netdev_priv(dev);
2930         local = iface->local;
2931
2932         printk(KERN_DEBUG "%s: process %d (%s) used deprecated iwpriv monitor "
2933                "- update software to use iwconfig mode monitor\n",
2934                dev->name, current->pid, current->comm);
2935
2936         /* Backward compatibility code - this can be removed at some point */
2937
2938         if (*i == 0) {
2939                 /* Disable monitor mode - old mode was not saved, so go to
2940                  * Master mode */
2941                 mode = IW_MODE_MASTER;
2942                 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2943         } else if (*i == 1) {
2944                 /* netlink socket mode is not supported anymore since it did
2945                  * not separate different devices from each other and was not
2946                  * best method for delivering large amount of packets to
2947                  * user space */
2948                 ret = -EOPNOTSUPP;
2949         } else if (*i == 2 || *i == 3) {
2950                 switch (*i) {
2951                 case 2:
2952                         local->monitor_type = PRISM2_MONITOR_80211;
2953                         break;
2954                 case 3:
2955                         local->monitor_type = PRISM2_MONITOR_PRISM;
2956                         break;
2957                 }
2958                 mode = IW_MODE_MONITOR;
2959                 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2960                 hostap_monitor_mode_enable(local);
2961         } else
2962                 ret = -EINVAL;
2963
2964         return ret;
2965 }
2966
2967
2968 static int prism2_ioctl_priv_reset(struct net_device *dev, int *i)
2969 {
2970         struct hostap_interface *iface;
2971         local_info_t *local;
2972
2973         iface = netdev_priv(dev);
2974         local = iface->local;
2975
2976         printk(KERN_DEBUG "%s: manual reset request(%d)\n", dev->name, *i);
2977         switch (*i) {
2978         case 0:
2979                 /* Disable and enable card */
2980                 local->func->hw_shutdown(dev, 1);
2981                 local->func->hw_config(dev, 0);
2982                 break;
2983
2984         case 1:
2985                 /* COR sreset */
2986                 local->func->hw_reset(dev);
2987                 break;
2988
2989         case 2:
2990                 /* Disable and enable port 0 */
2991                 local->func->reset_port(dev);
2992                 break;
2993
2994         case 3:
2995                 prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING);
2996                 if (local->func->cmd(dev, HFA384X_CMDCODE_DISABLE, 0, NULL,
2997                                      NULL))
2998                         return -EINVAL;
2999                 break;
3000
3001         case 4:
3002                 if (local->func->cmd(dev, HFA384X_CMDCODE_ENABLE, 0, NULL,
3003                                      NULL))
3004                         return -EINVAL;
3005                 break;
3006
3007         default:
3008                 printk(KERN_DEBUG "Unknown reset request %d\n", *i);
3009                 return -EOPNOTSUPP;
3010         }
3011
3012         return 0;
3013 }
3014
3015
3016 static int prism2_ioctl_priv_set_rid_word(struct net_device *dev, int *i)
3017 {
3018         int rid = *i;
3019         int value = *(i + 1);
3020
3021         printk(KERN_DEBUG "%s: Set RID[0x%X] = %d\n", dev->name, rid, value);
3022
3023         if (hostap_set_word(dev, rid, value))
3024                 return -EINVAL;
3025
3026         return 0;
3027 }
3028
3029
3030 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
3031 static int ap_mac_cmd_ioctl(local_info_t *local, int *cmd)
3032 {
3033         int ret = 0;
3034
3035         switch (*cmd) {
3036         case AP_MAC_CMD_POLICY_OPEN:
3037                 local->ap->mac_restrictions.policy = MAC_POLICY_OPEN;
3038                 break;
3039         case AP_MAC_CMD_POLICY_ALLOW:
3040                 local->ap->mac_restrictions.policy = MAC_POLICY_ALLOW;
3041                 break;
3042         case AP_MAC_CMD_POLICY_DENY:
3043                 local->ap->mac_restrictions.policy = MAC_POLICY_DENY;
3044                 break;
3045         case AP_MAC_CMD_FLUSH:
3046                 ap_control_flush_macs(&local->ap->mac_restrictions);
3047                 break;
3048         case AP_MAC_CMD_KICKALL:
3049                 ap_control_kickall(local->ap);
3050                 hostap_deauth_all_stas(local->dev, local->ap, 0);
3051                 break;
3052         default:
3053                 ret = -EOPNOTSUPP;
3054                 break;
3055         }
3056
3057         return ret;
3058 }
3059 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
3060
3061
3062 #ifdef PRISM2_DOWNLOAD_SUPPORT
3063 static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p)
3064 {
3065         struct prism2_download_param *param;
3066         int ret = 0;
3067
3068         if (p->length < sizeof(struct prism2_download_param) ||
3069             p->length > 1024 || !p->pointer)
3070                 return -EINVAL;
3071
3072         param = (struct prism2_download_param *)
3073                 kmalloc(p->length, GFP_KERNEL);
3074         if (param == NULL)
3075                 return -ENOMEM;
3076
3077         if (copy_from_user(param, p->pointer, p->length)) {
3078                 ret = -EFAULT;
3079                 goto out;
3080         }
3081
3082         if (p->length < sizeof(struct prism2_download_param) +
3083             param->num_areas * sizeof(struct prism2_download_area)) {
3084                 ret = -EINVAL;
3085                 goto out;
3086         }
3087
3088         ret = local->func->download(local, param);
3089
3090  out:
3091         if (param != NULL)
3092                 kfree(param);
3093
3094         return ret;
3095 }
3096 #endif /* PRISM2_DOWNLOAD_SUPPORT */
3097
3098
3099 static int prism2_set_genericelement(struct net_device *dev, u8 *elem,
3100                                      size_t len)
3101 {
3102         struct hostap_interface *iface = dev->priv;
3103         local_info_t *local = iface->local;
3104         u8 *buf;
3105
3106         /*
3107          * Add 16-bit length in the beginning of the buffer because Prism2 RID
3108          * includes it.
3109          */
3110         buf = kmalloc(len + 2, GFP_KERNEL);
3111         if (buf == NULL)
3112                 return -ENOMEM;
3113
3114         *((u16 *) buf) = cpu_to_le16(len);
3115         memcpy(buf + 2, elem, len);
3116
3117         kfree(local->generic_elem);
3118         local->generic_elem = buf;
3119         local->generic_elem_len = len + 2;
3120
3121         return local->func->set_rid(local->dev, HFA384X_RID_GENERICELEMENT,
3122                                     buf, len + 2);
3123 }
3124
3125
3126 static int prism2_ioctl_siwauth(struct net_device *dev,
3127                                 struct iw_request_info *info,
3128                                 struct iw_param *data, char *extra)
3129 {
3130         struct hostap_interface *iface = dev->priv;
3131         local_info_t *local = iface->local;
3132
3133         switch (data->flags & IW_AUTH_INDEX) {
3134         case IW_AUTH_WPA_VERSION:
3135         case IW_AUTH_CIPHER_PAIRWISE:
3136         case IW_AUTH_CIPHER_GROUP:
3137         case IW_AUTH_KEY_MGMT:
3138                 /*
3139                  * Host AP driver does not use these parameters and allows
3140                  * wpa_supplicant to control them internally.
3141                  */
3142                 break;
3143         case IW_AUTH_TKIP_COUNTERMEASURES:
3144                 local->tkip_countermeasures = data->value;
3145                 break;
3146         case IW_AUTH_DROP_UNENCRYPTED:
3147                 local->drop_unencrypted = data->value;
3148                 break;
3149         case IW_AUTH_80211_AUTH_ALG:
3150                 local->auth_algs = data->value;
3151                 break;
3152         case IW_AUTH_WPA_ENABLED:
3153                 if (data->value == 0) {
3154                         local->wpa = 0;
3155                         if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3156                                 break;
3157                         prism2_set_genericelement(dev, "", 0);
3158                         local->host_roaming = 0;
3159                         local->privacy_invoked = 0;
3160                         if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
3161                                             0) ||
3162                             hostap_set_roaming(local) ||
3163                             hostap_set_encryption(local) ||
3164                             local->func->reset_port(dev))
3165                                 return -EINVAL;
3166                         break;
3167                 }
3168                 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3169                         return -EOPNOTSUPP;
3170                 local->host_roaming = 2;
3171                 local->privacy_invoked = 1;
3172                 local->wpa = 1;
3173                 if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, 1) ||
3174                     hostap_set_roaming(local) ||
3175                     hostap_set_encryption(local) ||
3176                     local->func->reset_port(dev))
3177                         return -EINVAL;
3178                 break;
3179         case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3180                 local->ieee_802_1x = data->value;
3181                 break;
3182         case IW_AUTH_PRIVACY_INVOKED:
3183                 local->privacy_invoked = data->value;
3184                 break;
3185         default:
3186                 return -EOPNOTSUPP;
3187         }
3188         return 0;
3189 }
3190
3191
3192 static int prism2_ioctl_giwauth(struct net_device *dev,
3193                                 struct iw_request_info *info,
3194                                 struct iw_param *data, char *extra)
3195 {
3196         struct hostap_interface *iface = dev->priv;
3197         local_info_t *local = iface->local;
3198
3199         switch (data->flags & IW_AUTH_INDEX) {
3200         case IW_AUTH_WPA_VERSION:
3201         case IW_AUTH_CIPHER_PAIRWISE:
3202         case IW_AUTH_CIPHER_GROUP:
3203         case IW_AUTH_KEY_MGMT:
3204                 /*
3205                  * Host AP driver does not use these parameters and allows
3206                  * wpa_supplicant to control them internally.
3207                  */
3208                 return -EOPNOTSUPP;
3209         case IW_AUTH_TKIP_COUNTERMEASURES:
3210                 data->value = local->tkip_countermeasures;
3211                 break;
3212         case IW_AUTH_DROP_UNENCRYPTED:
3213                 data->value = local->drop_unencrypted;
3214                 break;
3215         case IW_AUTH_80211_AUTH_ALG:
3216                 data->value = local->auth_algs;
3217                 break;
3218         case IW_AUTH_WPA_ENABLED:
3219                 data->value = local->wpa;
3220                 break;
3221         case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3222                 data->value = local->ieee_802_1x;
3223                 break;
3224         default:
3225                 return -EOPNOTSUPP;
3226         }
3227         return 0;
3228 }
3229
3230
3231 static int prism2_ioctl_siwencodeext(struct net_device *dev,
3232                                      struct iw_request_info *info,
3233                                      struct iw_point *erq, char *extra)
3234 {
3235         struct hostap_interface *iface = dev->priv;
3236         local_info_t *local = iface->local;
3237         struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3238         int i, ret = 0;
3239         struct ieee80211_crypto_ops *ops;
3240         struct ieee80211_crypt_data **crypt;
3241         void *sta_ptr;
3242         u8 *addr;
3243         const char *alg, *module;
3244
3245         i = erq->flags & IW_ENCODE_INDEX;
3246         if (i > WEP_KEYS)
3247                 return -EINVAL;
3248         if (i < 1 || i > WEP_KEYS)
3249                 i = local->tx_keyidx;
3250         else
3251                 i--;
3252         if (i < 0 || i >= WEP_KEYS)
3253                 return -EINVAL;
3254
3255         addr = ext->addr.sa_data;
3256         if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
3257             addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
3258                 sta_ptr = NULL;
3259                 crypt = &local->crypt[i];
3260         } else {
3261                 if (i != 0)
3262                         return -EINVAL;
3263                 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3264                 if (sta_ptr == NULL) {
3265                         if (local->iw_mode == IW_MODE_INFRA) {
3266                                 /*
3267                                  * TODO: add STA entry for the current AP so
3268                                  * that unicast key can be used. For now, this
3269                                  * is emulated by using default key idx 0.
3270                                  */
3271                                 i = 0;
3272                                 crypt = &local->crypt[i];
3273                         } else
3274                                 return -EINVAL;
3275                 }
3276         }
3277
3278         if ((erq->flags & IW_ENCODE_DISABLED) ||
3279             ext->alg == IW_ENCODE_ALG_NONE) {
3280                 if (*crypt)
3281                         prism2_crypt_delayed_deinit(local, crypt);
3282                 goto done;
3283         }
3284
3285         switch (ext->alg) {
3286         case IW_ENCODE_ALG_WEP:
3287                 alg = "WEP";
3288                 module = "ieee80211_crypt_wep";
3289                 break;
3290         case IW_ENCODE_ALG_TKIP:
3291                 alg = "TKIP";
3292                 module = "ieee80211_crypt_tkip";
3293                 break;
3294         case IW_ENCODE_ALG_CCMP:
3295                 alg = "CCMP";
3296                 module = "ieee80211_crypt_ccmp";
3297                 break;
3298         default:
3299                 printk(KERN_DEBUG "%s: unsupported algorithm %d\n",
3300                        local->dev->name, ext->alg);
3301                 ret = -EOPNOTSUPP;
3302                 goto done;
3303         }
3304
3305         ops = ieee80211_get_crypto_ops(alg);
3306         if (ops == NULL) {
3307                 request_module(module);
3308                 ops = ieee80211_get_crypto_ops(alg);
3309         }
3310         if (ops == NULL) {
3311                 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3312                        local->dev->name, alg);
3313                 ret = -EOPNOTSUPP;
3314                 goto done;
3315         }
3316
3317         if (sta_ptr || ext->alg != IW_ENCODE_ALG_WEP) {
3318                 /*
3319                  * Per station encryption and other than WEP algorithms
3320                  * require host-based encryption, so force them on
3321                  * automatically.
3322                  */
3323                 local->host_decrypt = local->host_encrypt = 1;
3324         }
3325
3326         if (*crypt == NULL || (*crypt)->ops != ops) {
3327                 struct ieee80211_crypt_data *new_crypt;
3328
3329                 prism2_crypt_delayed_deinit(local, crypt);
3330
3331                 new_crypt = (struct ieee80211_crypt_data *)
3332                         kmalloc(sizeof(struct ieee80211_crypt_data),
3333                                 GFP_KERNEL);
3334                 if (new_crypt == NULL) {
3335                         ret = -ENOMEM;
3336                         goto done;
3337                 }
3338                 memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
3339                 new_crypt->ops = ops;
3340                 new_crypt->priv = new_crypt->ops->init(i);
3341                 if (new_crypt->priv == NULL) {
3342                         kfree(new_crypt);
3343                         ret = -EINVAL;
3344                         goto done;
3345                 }
3346
3347                 *crypt = new_crypt;
3348         }
3349
3350         /*
3351          * TODO: if ext_flags does not have IW_ENCODE_EXT_RX_SEQ_VALID, the
3352          * existing seq# should not be changed.
3353          * TODO: if ext_flags has IW_ENCODE_EXT_TX_SEQ_VALID, next TX seq#
3354          * should be changed to something else than zero.
3355          */
3356         if ((!(ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) || ext->key_len > 0)
3357             && (*crypt)->ops->set_key &&
3358             (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
3359                                    (*crypt)->priv) < 0) {
3360                 printk(KERN_DEBUG "%s: key setting failed\n",
3361                        local->dev->name);
3362                 ret = -EINVAL;
3363                 goto done;
3364         }
3365
3366         if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
3367                 if (!sta_ptr)
3368                         local->tx_keyidx = i;
3369                 else if (i) {
3370                         ret = -EINVAL;
3371                         goto done;
3372                 }
3373         }
3374
3375
3376         if (sta_ptr == NULL && ext->key_len > 0) {
3377                 int first = 1, j;
3378                 for (j = 0; j < WEP_KEYS; j++) {
3379                         if (j != i && local->crypt[j]) {
3380                                 first = 0;
3381                                 break;
3382                         }
3383                 }
3384                 if (first)
3385                         local->tx_keyidx = i;
3386         }
3387
3388  done:
3389         if (sta_ptr)
3390                 hostap_handle_sta_release(sta_ptr);
3391
3392         local->open_wep = erq->flags & IW_ENCODE_OPEN;
3393
3394         /*
3395          * Do not reset port0 if card is in Managed mode since resetting will
3396          * generate new IEEE 802.11 authentication which may end up in looping
3397          * with IEEE 802.1X. Prism2 documentation seem to require port reset
3398          * after WEP configuration. However, keys are apparently changed at
3399          * least in Managed mode.
3400          */
3401         if (ret == 0 &&
3402             (hostap_set_encryption(local) ||
3403              (local->iw_mode != IW_MODE_INFRA &&
3404               local->func->reset_port(local->dev))))
3405                 ret = -EINVAL;
3406
3407         return ret;
3408 }
3409
3410
3411 static int prism2_ioctl_giwencodeext(struct net_device *dev,
3412                                      struct iw_request_info *info,
3413                                      struct iw_point *erq, char *extra)
3414 {
3415         struct hostap_interface *iface = dev->priv;
3416         local_info_t *local = iface->local;
3417         struct ieee80211_crypt_data **crypt;
3418         void *sta_ptr;
3419         int max_key_len, i;
3420         struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3421         u8 *addr;
3422
3423         max_key_len = erq->length - sizeof(*ext);
3424         if (max_key_len < 0)
3425                 return -EINVAL;
3426
3427         i = erq->flags & IW_ENCODE_INDEX;
3428         if (i < 1 || i > WEP_KEYS)
3429                 i = local->tx_keyidx;
3430         else
3431                 i--;
3432
3433         addr = ext->addr.sa_data;
3434         if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
3435             addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
3436                 sta_ptr = NULL;
3437                 crypt = &local->crypt[i];
3438         } else {
3439                 i = 0;
3440                 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3441                 if (sta_ptr == NULL)
3442                         return -EINVAL;
3443         }
3444         erq->flags = i + 1;
3445         memset(ext, 0, sizeof(*ext));
3446
3447         if (*crypt == NULL || (*crypt)->ops == NULL) {
3448                 ext->alg = IW_ENCODE_ALG_NONE;
3449                 ext->key_len = 0;
3450                 erq->flags |= IW_ENCODE_DISABLED;
3451         } else {
3452                 if (strcmp((*crypt)->ops->name, "WEP") == 0)
3453                         ext->alg = IW_ENCODE_ALG_WEP;
3454                 else if (strcmp((*crypt)->ops->name, "TKIP") == 0)
3455                         ext->alg = IW_ENCODE_ALG_TKIP;
3456                 else if (strcmp((*crypt)->ops->name, "CCMP") == 0)
3457                         ext->alg = IW_ENCODE_ALG_CCMP;
3458                 else
3459                         return -EINVAL;
3460
3461                 if ((*crypt)->ops->get_key) {
3462                         ext->key_len =
3463                                 (*crypt)->ops->get_key(ext->key,
3464                                                        max_key_len,
3465                                                        ext->tx_seq,
3466                                                        (*crypt)->priv);
3467                         if (ext->key_len &&
3468                             (ext->alg == IW_ENCODE_ALG_TKIP ||
3469                              ext->alg == IW_ENCODE_ALG_CCMP))
3470                                 ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
3471                 }
3472         }
3473
3474         if (sta_ptr)
3475                 hostap_handle_sta_release(sta_ptr);
3476
3477         return 0;
3478 }
3479
3480
3481 static int prism2_ioctl_set_encryption(local_info_t *local,
3482                                        struct prism2_hostapd_param *param,
3483                                        int param_len)
3484 {
3485         int ret = 0;
3486         struct ieee80211_crypto_ops *ops;
3487         struct ieee80211_crypt_data **crypt;
3488         void *sta_ptr;
3489
3490         param->u.crypt.err = 0;
3491         param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0';
3492
3493         if (param_len !=
3494             (int) ((char *) param->u.crypt.key - (char *) param) +
3495             param->u.crypt.key_len)
3496                 return -EINVAL;
3497
3498         if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
3499             param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
3500             param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
3501                 if (param->u.crypt.idx >= WEP_KEYS)
3502                         return -EINVAL;
3503                 sta_ptr = NULL;
3504                 crypt = &local->crypt[param->u.crypt.idx];
3505         } else {
3506                 if (param->u.crypt.idx)
3507                         return -EINVAL;
3508                 sta_ptr = ap_crypt_get_ptrs(
3509                         local->ap, param->sta_addr,
3510                         (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_PERMANENT),
3511                         &crypt);
3512
3513                 if (sta_ptr == NULL) {
3514                         param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3515                         return -EINVAL;
3516                 }
3517         }
3518
3519         if (strcmp(param->u.crypt.alg, "none") == 0) {
3520                 if (crypt)
3521                         prism2_crypt_delayed_deinit(local, crypt);
3522                 goto done;
3523         }
3524
3525         ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
3526         if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
3527                 request_module("ieee80211_crypt_wep");
3528                 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
3529         } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
3530                 request_module("ieee80211_crypt_tkip");
3531                 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
3532         } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
3533                 request_module("ieee80211_crypt_ccmp");
3534                 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
3535         }
3536         if (ops == NULL) {
3537                 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3538                        local->dev->name, param->u.crypt.alg);
3539                 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ALG;
3540                 ret = -EINVAL;
3541                 goto done;
3542         }
3543
3544         /* station based encryption and other than WEP algorithms require
3545          * host-based encryption, so force them on automatically */
3546         local->host_decrypt = local->host_encrypt = 1;
3547
3548         if (*crypt == NULL || (*crypt)->ops != ops) {
3549                 struct ieee80211_crypt_data *new_crypt;
3550
3551                 prism2_crypt_delayed_deinit(local, crypt);
3552
3553                 new_crypt = (struct ieee80211_crypt_data *)
3554                         kmalloc(sizeof(struct ieee80211_crypt_data),
3555                                 GFP_KERNEL);
3556                 if (new_crypt == NULL) {
3557                         ret = -ENOMEM;
3558                         goto done;
3559                 }
3560                 memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
3561                 new_crypt->ops = ops;
3562                 new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx);
3563                 if (new_crypt->priv == NULL) {
3564                         kfree(new_crypt);
3565                         param->u.crypt.err =
3566                                 HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED;
3567                         ret = -EINVAL;
3568                         goto done;
3569                 }
3570
3571                 *crypt = new_crypt;
3572         }
3573
3574         if ((!(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) ||
3575              param->u.crypt.key_len > 0) && (*crypt)->ops->set_key &&
3576             (*crypt)->ops->set_key(param->u.crypt.key,
3577                                    param->u.crypt.key_len, param->u.crypt.seq,
3578                                    (*crypt)->priv) < 0) {
3579                 printk(KERN_DEBUG "%s: key setting failed\n",
3580                        local->dev->name);
3581                 param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
3582                 ret = -EINVAL;
3583                 goto done;
3584         }
3585
3586         if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
3587                 if (!sta_ptr)
3588                         local->tx_keyidx = param->u.crypt.idx;
3589                 else if (param->u.crypt.idx) {
3590                         printk(KERN_DEBUG "%s: TX key idx setting failed\n",
3591                                local->dev->name);
3592                         param->u.crypt.err =
3593                                 HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED;
3594                         ret = -EINVAL;
3595                         goto done;
3596                 }
3597         }
3598
3599  done:
3600         if (sta_ptr)
3601                 hostap_handle_sta_release(sta_ptr);
3602
3603         /* Do not reset port0 if card is in Managed mode since resetting will
3604          * generate new IEEE 802.11 authentication which may end up in looping
3605          * with IEEE 802.1X. Prism2 documentation seem to require port reset
3606          * after WEP configuration. However, keys are apparently changed at
3607          * least in Managed mode. */
3608         if (ret == 0 &&
3609             (hostap_set_encryption(local) ||
3610              (local->iw_mode != IW_MODE_INFRA &&
3611               local->func->reset_port(local->dev)))) {
3612                 param->u.crypt.err = HOSTAP_CRYPT_ERR_CARD_CONF_FAILED;
3613                 return -EINVAL;
3614         }
3615
3616         return ret;
3617 }
3618
3619
3620 static int prism2_ioctl_get_encryption(local_info_t *local,
3621                                        struct prism2_hostapd_param *param,
3622                                        int param_len)
3623 {
3624         struct ieee80211_crypt_data **crypt;
3625         void *sta_ptr;
3626         int max_key_len;
3627
3628         param->u.crypt.err = 0;
3629
3630         max_key_len = param_len -
3631                 (int) ((char *) param->u.crypt.key - (char *) param);
3632         if (max_key_len < 0)
3633                 return -EINVAL;
3634
3635         if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
3636             param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
3637             param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
3638                 sta_ptr = NULL;
3639                 if (param->u.crypt.idx >= WEP_KEYS)
3640                         param->u.crypt.idx = local->tx_keyidx;
3641                 crypt = &local->crypt[param->u.crypt.idx];
3642         } else {
3643                 param->u.crypt.idx = 0;
3644                 sta_ptr = ap_crypt_get_ptrs(local->ap, param->sta_addr, 0,
3645                                             &crypt);
3646
3647                 if (sta_ptr == NULL) {
3648                         param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3649                         return -EINVAL;
3650                 }
3651         }
3652
3653         if (*crypt == NULL || (*crypt)->ops == NULL) {
3654                 memcpy(param->u.crypt.alg, "none", 5);
3655                 param->u.crypt.key_len = 0;
3656                 param->u.crypt.idx = 0xff;
3657         } else {
3658                 strncpy(param->u.crypt.alg, (*crypt)->ops->name,
3659                         HOSTAP_CRYPT_ALG_NAME_LEN);
3660                 param->u.crypt.key_len = 0;
3661
3662                 memset(param->u.crypt.seq, 0, 8);
3663                 if ((*crypt)->ops->get_key) {
3664                         param->u.crypt.key_len =
3665                                 (*crypt)->ops->get_key(param->u.crypt.key,
3666                                                        max_key_len,
3667                                                        param->u.crypt.seq,
3668                                                        (*crypt)->priv);
3669                 }
3670         }
3671
3672         if (sta_ptr)
3673                 hostap_handle_sta_release(sta_ptr);
3674
3675         return 0;
3676 }
3677
3678
3679 static int prism2_ioctl_get_rid(local_info_t *local,
3680                                 struct prism2_hostapd_param *param,
3681                                 int param_len)
3682 {
3683         int max_len, res;
3684
3685         max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3686         if (max_len < 0)
3687                 return -EINVAL;
3688
3689         res = local->func->get_rid(local->dev, param->u.rid.rid,
3690                                    param->u.rid.data, param->u.rid.len, 0);
3691         if (res >= 0) {
3692                 param->u.rid.len = res;
3693                 return 0;
3694         }
3695
3696         return res;
3697 }
3698
3699
3700 static int prism2_ioctl_set_rid(local_info_t *local,
3701                                 struct prism2_hostapd_param *param,
3702                                 int param_len)
3703 {
3704         int max_len;
3705
3706         max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3707         if (max_len < 0 || max_len < param->u.rid.len)
3708                 return -EINVAL;
3709
3710         return local->func->set_rid(local->dev, param->u.rid.rid,
3711                                     param->u.rid.data, param->u.rid.len);
3712 }
3713
3714
3715 static int prism2_ioctl_set_assoc_ap_addr(local_info_t *local,
3716                                           struct prism2_hostapd_param *param,
3717                                           int param_len)
3718 {
3719         printk(KERN_DEBUG "%ssta: associated as client with AP " MACSTR "\n",
3720                local->dev->name, MAC2STR(param->sta_addr));
3721         memcpy(local->assoc_ap_addr, param->sta_addr, ETH_ALEN);
3722         return 0;
3723 }
3724
3725
3726 static int prism2_ioctl_siwgenie(struct net_device *dev,
3727                                  struct iw_request_info *info,
3728                                  struct iw_point *data, char *extra)
3729 {
3730         return prism2_set_genericelement(dev, extra, data->length);
3731 }
3732
3733
3734 static int prism2_ioctl_giwgenie(struct net_device *dev,
3735                                  struct iw_request_info *info,
3736                                  struct iw_point *data, char *extra)
3737 {
3738         struct hostap_interface *iface = dev->priv;
3739         local_info_t *local = iface->local;
3740         int len = local->generic_elem_len - 2;
3741
3742         if (len <= 0 || local->generic_elem == NULL) {
3743                 data->length = 0;
3744                 return 0;
3745         }
3746
3747         if (data->length < len)
3748                 return -E2BIG;
3749
3750         data->length = len;
3751         memcpy(extra, local->generic_elem + 2, len);
3752
3753         return 0;
3754 }
3755
3756
3757 static int prism2_ioctl_set_generic_element(local_info_t *local,
3758                                             struct prism2_hostapd_param *param,
3759                                             int param_len)
3760 {
3761         int max_len, len;
3762
3763         len = param->u.generic_elem.len;
3764         max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN;
3765         if (max_len < 0 || max_len < len)
3766                 return -EINVAL;
3767
3768         return prism2_set_genericelement(local->dev,
3769                                          param->u.generic_elem.data, len);
3770 }
3771
3772
3773 static int prism2_ioctl_siwmlme(struct net_device *dev,
3774                                 struct iw_request_info *info,
3775                                 struct iw_point *data, char *extra)
3776 {
3777         struct hostap_interface *iface = dev->priv;
3778         local_info_t *local = iface->local;
3779         struct iw_mlme *mlme = (struct iw_mlme *) extra;
3780         u16 reason;
3781
3782         reason = cpu_to_le16(mlme->reason_code);
3783
3784         switch (mlme->cmd) {
3785         case IW_MLME_DEAUTH:
3786                 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3787                                             IEEE80211_STYPE_DEAUTH,
3788                                             (u8 *) &reason, 2);
3789         case IW_MLME_DISASSOC:
3790                 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3791                                             IEEE80211_STYPE_DISASSOC,
3792                                             (u8 *) &reason, 2);
3793         default:
3794                 return -EOPNOTSUPP;
3795         }
3796 }
3797
3798
3799 static int prism2_ioctl_mlme(local_info_t *local,
3800                              struct prism2_hostapd_param *param)
3801 {
3802         u16 reason;
3803
3804         reason = cpu_to_le16(param->u.mlme.reason_code);
3805         switch (param->u.mlme.cmd) {
3806         case MLME_STA_DEAUTH:
3807                 return prism2_sta_send_mgmt(local, param->sta_addr,
3808                                             IEEE80211_STYPE_DEAUTH,
3809                                             (u8 *) &reason, 2);
3810         case MLME_STA_DISASSOC:
3811                 return prism2_sta_send_mgmt(local, param->sta_addr,
3812                                             IEEE80211_STYPE_DISASSOC,
3813                                             (u8 *) &reason, 2);
3814         default:
3815                 return -EOPNOTSUPP;
3816         }
3817 }
3818
3819
3820 static int prism2_ioctl_scan_req(local_info_t *local,
3821                                  struct prism2_hostapd_param *param)
3822 {
3823 #ifndef PRISM2_NO_STATION_MODES
3824         if ((local->iw_mode != IW_MODE_INFRA &&
3825              local->iw_mode != IW_MODE_ADHOC) ||
3826             (local->sta_fw_ver < PRISM2_FW_VER(1,3,1)))
3827                 return -EOPNOTSUPP;
3828
3829         if (!local->dev_enabled)
3830                 return -ENETDOWN;
3831
3832         return prism2_request_hostscan(local->dev, param->u.scan_req.ssid,
3833                                        param->u.scan_req.ssid_len);
3834 #else /* PRISM2_NO_STATION_MODES */
3835         return -EOPNOTSUPP;
3836 #endif /* PRISM2_NO_STATION_MODES */
3837 }
3838
3839
3840 static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p)
3841 {
3842         struct prism2_hostapd_param *param;
3843         int ret = 0;
3844         int ap_ioctl = 0;
3845
3846         if (p->length < sizeof(struct prism2_hostapd_param) ||
3847             p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
3848                 return -EINVAL;
3849
3850         param = (struct prism2_hostapd_param *) kmalloc(p->length, GFP_KERNEL);
3851         if (param == NULL)
3852                 return -ENOMEM;
3853
3854         if (copy_from_user(param, p->pointer, p->length)) {
3855                 ret = -EFAULT;
3856                 goto out;
3857         }
3858
3859         switch (param->cmd) {
3860         case PRISM2_SET_ENCRYPTION:
3861                 ret = prism2_ioctl_set_encryption(local, param, p->length);
3862                 break;
3863         case PRISM2_GET_ENCRYPTION:
3864                 ret = prism2_ioctl_get_encryption(local, param, p->length);
3865                 break;
3866         case PRISM2_HOSTAPD_GET_RID:
3867                 ret = prism2_ioctl_get_rid(local, param, p->length);
3868                 break;
3869         case PRISM2_HOSTAPD_SET_RID:
3870                 ret = prism2_ioctl_set_rid(local, param, p->length);
3871                 break;
3872         case PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR:
3873                 ret = prism2_ioctl_set_assoc_ap_addr(local, param, p->length);
3874                 break;
3875         case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT:
3876                 ret = prism2_ioctl_set_generic_element(local, param,
3877                                                        p->length);
3878                 break;
3879         case PRISM2_HOSTAPD_MLME:
3880                 ret = prism2_ioctl_mlme(local, param);
3881                 break;
3882         case PRISM2_HOSTAPD_SCAN_REQ:
3883                 ret = prism2_ioctl_scan_req(local, param);
3884                 break;
3885         default:
3886                 ret = prism2_hostapd(local->ap, param);
3887                 ap_ioctl = 1;
3888                 break;
3889         }
3890
3891         if (ret == 1 || !ap_ioctl) {
3892                 if (copy_to_user(p->pointer, param, p->length)) {
3893                         ret = -EFAULT;
3894                         goto out;
3895                 } else if (ap_ioctl)
3896                         ret = 0;
3897         }
3898
3899  out:
3900         if (param != NULL)
3901                 kfree(param);
3902
3903         return ret;
3904 }
3905
3906
3907 static void prism2_get_drvinfo(struct net_device *dev,
3908                                struct ethtool_drvinfo *info)
3909 {
3910         struct hostap_interface *iface;
3911         local_info_t *local;
3912
3913         iface = netdev_priv(dev);
3914         local = iface->local;
3915
3916         strncpy(info->driver, "hostap", sizeof(info->driver) - 1);
3917         strncpy(info->version, PRISM2_VERSION,
3918                 sizeof(info->version) - 1);
3919         snprintf(info->fw_version, sizeof(info->fw_version) - 1,
3920                  "%d.%d.%d", (local->sta_fw_ver >> 16) & 0xff,
3921                  (local->sta_fw_ver >> 8) & 0xff,
3922                  local->sta_fw_ver & 0xff);
3923 }
3924
3925 static struct ethtool_ops prism2_ethtool_ops = {
3926         .get_drvinfo = prism2_get_drvinfo
3927 };
3928
3929
3930 /* Structures to export the Wireless Handlers */
3931
3932 static const iw_handler prism2_handler[] =
3933 {
3934         (iw_handler) NULL,                              /* SIOCSIWCOMMIT */
3935         (iw_handler) prism2_get_name,                   /* SIOCGIWNAME */
3936         (iw_handler) NULL,                              /* SIOCSIWNWID */
3937         (iw_handler) NULL,                              /* SIOCGIWNWID */
3938         (iw_handler) prism2_ioctl_siwfreq,              /* SIOCSIWFREQ */
3939         (iw_handler) prism2_ioctl_giwfreq,              /* SIOCGIWFREQ */
3940         (iw_handler) prism2_ioctl_siwmode,              /* SIOCSIWMODE */
3941         (iw_handler) prism2_ioctl_giwmode,              /* SIOCGIWMODE */
3942         (iw_handler) prism2_ioctl_siwsens,              /* SIOCSIWSENS */
3943         (iw_handler) prism2_ioctl_giwsens,              /* SIOCGIWSENS */
3944         (iw_handler) NULL /* not used */,               /* SIOCSIWRANGE */
3945         (iw_handler) prism2_ioctl_giwrange,             /* SIOCGIWRANGE */
3946         (iw_handler) NULL /* not used */,               /* SIOCSIWPRIV */
3947         (iw_handler) NULL /* kernel code */,            /* SIOCGIWPRIV */
3948         (iw_handler) NULL /* not used */,               /* SIOCSIWSTATS */
3949         (iw_handler) NULL /* kernel code */,            /* SIOCGIWSTATS */
3950         iw_handler_set_spy,                             /* SIOCSIWSPY */
3951         iw_handler_get_spy,                             /* SIOCGIWSPY */
3952         iw_handler_set_thrspy,                          /* SIOCSIWTHRSPY */
3953         iw_handler_get_thrspy,                          /* SIOCGIWTHRSPY */
3954         (iw_handler) prism2_ioctl_siwap,                /* SIOCSIWAP */
3955         (iw_handler) prism2_ioctl_giwap,                /* SIOCGIWAP */
3956         (iw_handler) prism2_ioctl_siwmlme,              /* SIOCSIWMLME */
3957         (iw_handler) prism2_ioctl_giwaplist,            /* SIOCGIWAPLIST */
3958         (iw_handler) prism2_ioctl_siwscan,              /* SIOCSIWSCAN */
3959         (iw_handler) prism2_ioctl_giwscan,              /* SIOCGIWSCAN */
3960         (iw_handler) prism2_ioctl_siwessid,             /* SIOCSIWESSID */
3961         (iw_handler) prism2_ioctl_giwessid,             /* SIOCGIWESSID */
3962         (iw_handler) prism2_ioctl_siwnickn,             /* SIOCSIWNICKN */
3963         (iw_handler) prism2_ioctl_giwnickn,             /* SIOCGIWNICKN */
3964         (iw_handler) NULL,                              /* -- hole -- */
3965         (iw_handler) NULL,                              /* -- hole -- */
3966         (iw_handler) prism2_ioctl_siwrate,              /* SIOCSIWRATE */
3967         (iw_handler) prism2_ioctl_giwrate,              /* SIOCGIWRATE */
3968         (iw_handler) prism2_ioctl_siwrts,               /* SIOCSIWRTS */
3969         (iw_handler) prism2_ioctl_giwrts,               /* SIOCGIWRTS */
3970         (iw_handler) prism2_ioctl_siwfrag,              /* SIOCSIWFRAG */
3971         (iw_handler) prism2_ioctl_giwfrag,              /* SIOCGIWFRAG */
3972         (iw_handler) prism2_ioctl_siwtxpow,             /* SIOCSIWTXPOW */
3973         (iw_handler) prism2_ioctl_giwtxpow,             /* SIOCGIWTXPOW */
3974         (iw_handler) prism2_ioctl_siwretry,             /* SIOCSIWRETRY */
3975         (iw_handler) prism2_ioctl_giwretry,             /* SIOCGIWRETRY */
3976         (iw_handler) prism2_ioctl_siwencode,            /* SIOCSIWENCODE */
3977         (iw_handler) prism2_ioctl_giwencode,            /* SIOCGIWENCODE */
3978         (iw_handler) prism2_ioctl_siwpower,             /* SIOCSIWPOWER */
3979         (iw_handler) prism2_ioctl_giwpower,             /* SIOCGIWPOWER */
3980         (iw_handler) NULL,                              /* -- hole -- */
3981         (iw_handler) NULL,                              /* -- hole -- */
3982         (iw_handler) prism2_ioctl_siwgenie,             /* SIOCSIWGENIE */
3983         (iw_handler) prism2_ioctl_giwgenie,             /* SIOCGIWGENIE */
3984         (iw_handler) prism2_ioctl_siwauth,              /* SIOCSIWAUTH */
3985         (iw_handler) prism2_ioctl_giwauth,              /* SIOCGIWAUTH */
3986         (iw_handler) prism2_ioctl_siwencodeext,         /* SIOCSIWENCODEEXT */
3987         (iw_handler) prism2_ioctl_giwencodeext,         /* SIOCGIWENCODEEXT */
3988         (iw_handler) NULL,                              /* SIOCSIWPMKSA */
3989         (iw_handler) NULL,                              /* -- hole -- */
3990 };
3991
3992 static const iw_handler prism2_private_handler[] =
3993 {                                                       /* SIOCIWFIRSTPRIV + */
3994         (iw_handler) prism2_ioctl_priv_prism2_param,    /* 0 */
3995         (iw_handler) prism2_ioctl_priv_get_prism2_param, /* 1 */
3996         (iw_handler) prism2_ioctl_priv_writemif,        /* 2 */
3997         (iw_handler) prism2_ioctl_priv_readmif,         /* 3 */
3998 };
3999
4000 static const struct iw_handler_def hostap_iw_handler_def =
4001 {
4002         .num_standard   = sizeof(prism2_handler) / sizeof(iw_handler),
4003         .num_private    = sizeof(prism2_private_handler) / sizeof(iw_handler),
4004         .num_private_args = sizeof(prism2_priv) / sizeof(struct iw_priv_args),
4005         .standard       = (iw_handler *) prism2_handler,
4006         .private        = (iw_handler *) prism2_private_handler,
4007         .private_args   = (struct iw_priv_args *) prism2_priv,
4008         .get_wireless_stats = hostap_get_wireless_stats,
4009 };
4010
4011
4012 int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
4013 {
4014         struct iwreq *wrq = (struct iwreq *) ifr;
4015         struct hostap_interface *iface;
4016         local_info_t *local;
4017         int ret = 0;
4018
4019         iface = netdev_priv(dev);
4020         local = iface->local;
4021
4022         switch (cmd) {
4023                 /* Private ioctls (iwpriv) that have not yet been converted
4024                  * into new wireless extensions API */
4025
4026         case PRISM2_IOCTL_INQUIRE:
4027                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4028                 else ret = prism2_ioctl_priv_inquire(dev, (int *) wrq->u.name);
4029                 break;
4030
4031         case PRISM2_IOCTL_MONITOR:
4032                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4033                 else ret = prism2_ioctl_priv_monitor(dev, (int *) wrq->u.name);
4034                 break;
4035
4036         case PRISM2_IOCTL_RESET:
4037                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4038                 else ret = prism2_ioctl_priv_reset(dev, (int *) wrq->u.name);
4039                 break;
4040
4041         case PRISM2_IOCTL_WDS_ADD:
4042                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4043                 else ret = prism2_wds_add(local, wrq->u.ap_addr.sa_data, 1);
4044                 break;
4045
4046         case PRISM2_IOCTL_WDS_DEL:
4047                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4048                 else ret = prism2_wds_del(local, wrq->u.ap_addr.sa_data, 1, 0);
4049                 break;
4050
4051         case PRISM2_IOCTL_SET_RID_WORD:
4052                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4053                 else ret = prism2_ioctl_priv_set_rid_word(dev,
4054                                                           (int *) wrq->u.name);
4055                 break;
4056
4057 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
4058         case PRISM2_IOCTL_MACCMD:
4059                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4060                 else ret = ap_mac_cmd_ioctl(local, (int *) wrq->u.name);
4061                 break;
4062
4063         case PRISM2_IOCTL_ADDMAC:
4064                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4065                 else ret = ap_control_add_mac(&local->ap->mac_restrictions,
4066                                               wrq->u.ap_addr.sa_data);
4067                 break;
4068         case PRISM2_IOCTL_DELMAC:
4069                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4070                 else ret = ap_control_del_mac(&local->ap->mac_restrictions,
4071                                               wrq->u.ap_addr.sa_data);
4072                 break;
4073         case PRISM2_IOCTL_KICKMAC:
4074                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4075                 else ret = ap_control_kick_mac(local->ap, local->dev,
4076                                                wrq->u.ap_addr.sa_data);
4077                 break;
4078 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
4079
4080
4081                 /* Private ioctls that are not used with iwpriv;
4082                  * in SIOCDEVPRIVATE range */
4083
4084 #ifdef PRISM2_DOWNLOAD_SUPPORT
4085         case PRISM2_IOCTL_DOWNLOAD:
4086                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4087                 else ret = prism2_ioctl_priv_download(local, &wrq->u.data);
4088                 break;
4089 #endif /* PRISM2_DOWNLOAD_SUPPORT */
4090
4091         case PRISM2_IOCTL_HOSTAPD:
4092                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4093                 else ret = prism2_ioctl_priv_hostapd(local, &wrq->u.data);
4094                 break;
4095
4096         default:
4097                 ret = -EOPNOTSUPP;
4098                 break;
4099         }
4100
4101         return ret;
4102 }