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 = IW_QUAL_ALL_UPDATED |
  54                                 IW_QUAL_DBM;
  55
  56                 wstats->qual.qual = local->comms_qual;
  57                 wstats->qual.level = local->avg_signal;
  58                 wstats->qual.noise = local->avg_noise;
  59         } else {
  60                 wstats->qual.qual = 0;
  61                 wstats->qual.level = 0;
  62                 wstats->qual.noise = 0;
  63                 wstats->qual.updated = IW_QUAL_ALL_INVALID;
  64         }
  65
  66         return wstats;
  67 }
  68
  69
  70 static int prism2_get_datarates(struct net_device *dev, u8 *rates)
  71 {
  72         struct hostap_interface *iface;
  73         local_info_t *local;
  74         u8 buf[12];
  75         int len;
  76         u16 val;
  77
  78         iface = netdev_priv(dev);
  79         local = iface->local;
  80
  81         len = local->func->get_rid(dev, HFA384X_RID_SUPPORTEDDATARATES, buf,
  82                                    sizeof(buf), 0);
  83         if (len < 2)
  84                 return 0;
  85
  86         val = le16_to_cpu(*(u16 *) buf); /* string length */
  87
  88         if (len - 2 < val || val > 10)
  89                 return 0;
  90
  91         memcpy(rates, buf + 2, val);
  92         return val;
  93 }
  94
  95
  96 static int prism2_get_name(struct net_device *dev,
  97                            struct iw_request_info *info,
  98                            char *name, char *extra)
  99 {
 100         u8 rates[10];
 101         int len, i, over2 = 0;
 102
 103         len = prism2_get_datarates(dev, rates);
 104
 105         for (i = 0; i < len; i++) {
 106                 if (rates[i] == 0x0b || rates[i] == 0x16) {
 107                         over2 = 1;
 108                         break;
 109                 }
 110         }
 111
 112         strcpy(name, over2 ? "IEEE 802.11b" : "IEEE 802.11-DS");
 113
 114         return 0;
 115 }
 116
 117
 118 static void prism2_crypt_delayed_deinit(local_info_t *local,
 119                                         struct ieee80211_crypt_data **crypt)
 120 {
 121         struct ieee80211_crypt_data *tmp;
 122         unsigned long flags;
 123
 124         tmp = *crypt;
 125         *crypt = NULL;
 126
 127         if (tmp == NULL)
 128                 return;
 129
 130         /* must not run ops->deinit() while there may be pending encrypt or
 131          * decrypt operations. Use a list of delayed deinits to avoid needing
 132          * locking. */
 133
 134         spin_lock_irqsave(&local->lock, flags);
 135         list_add(&tmp->list, &local->crypt_deinit_list);
 136         if (!timer_pending(&local->crypt_deinit_timer)) {
 137                 local->crypt_deinit_timer.expires = jiffies + HZ;
 138                 add_timer(&local->crypt_deinit_timer);
 139         }
 140         spin_unlock_irqrestore(&local->lock, flags);
 141 }
 142
 143
 144 static int prism2_ioctl_siwencode(struct net_device *dev,
 145                                   struct iw_request_info *info,
 146                                   struct iw_point *erq, char *keybuf)
 147 {
 148         struct hostap_interface *iface;
 149         local_info_t *local;
 150         int i;
 151         struct ieee80211_crypt_data **crypt;
 152
 153         iface = netdev_priv(dev);
 154         local = iface->local;
 155
 156         i = erq->flags & IW_ENCODE_INDEX;
 157         if (i < 1 || i > 4)
 158                 i = local->tx_keyidx;
 159         else
 160                 i--;
 161         if (i < 0 || i >= WEP_KEYS)
 162                 return -EINVAL;
 163
 164         crypt = &local->crypt[i];
 165
 166         if (erq->flags & IW_ENCODE_DISABLED) {
 167                 if (*crypt)
 168                         prism2_crypt_delayed_deinit(local, crypt);
 169                 goto done;
 170         }
 171
 172         if (*crypt != NULL && (*crypt)->ops != NULL &&
 173             strcmp((*crypt)->ops->name, "WEP") != 0) {
 174                 /* changing to use WEP; deinit previously used algorithm */
 175                 prism2_crypt_delayed_deinit(local, crypt);
 176         }
 177
 178         if (*crypt == NULL) {
 179                 struct ieee80211_crypt_data *new_crypt;
 180
 181                 /* take WEP into use */
 182                 new_crypt = (struct ieee80211_crypt_data *)
 183                         kmalloc(sizeof(struct ieee80211_crypt_data),
 184                                 GFP_KERNEL);
 185                 if (new_crypt == NULL)
 186                         return -ENOMEM;
 187                 memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
 188                 new_crypt->ops = ieee80211_get_crypto_ops("WEP");
 189                 if (!new_crypt->ops) {
 190                         request_module("ieee80211_crypt_wep");
 191                         new_crypt->ops = ieee80211_get_crypto_ops("WEP");
 192                 }
 193                 if (new_crypt->ops)
 194                         new_crypt->priv = new_crypt->ops->init(i);
 195                 if (!new_crypt->ops || !new_crypt->priv) {
 196                         kfree(new_crypt);
 197                         new_crypt = NULL;
 198
 199                         printk(KERN_WARNING "%s: could not initialize WEP: "
 200                                "load module hostap_crypt_wep.o\n",
 201                                dev->name);
 202                         return -EOPNOTSUPP;
 203                 }
 204                 *crypt = new_crypt;
 205         }
 206
 207         if (erq->length > 0) {
 208                 int len = erq->length <= 5 ? 5 : 13;
 209                 int first = 1, j;
 210                 if (len > erq->length)
 211                         memset(keybuf + erq->length, 0, len - erq->length);
 212                 (*crypt)->ops->set_key(keybuf, len, NULL, (*crypt)->priv);
 213                 for (j = 0; j < WEP_KEYS; j++) {
 214                         if (j != i && local->crypt[j]) {
 215                                 first = 0;
 216                                 break;
 217                         }
 218                 }
 219                 if (first)
 220                         local->tx_keyidx = i;
 221         } else {
 222                 /* No key data - just set the default TX key index */
 223                 local->tx_keyidx = i;
 224         }
 225
 226  done:
 227         local->open_wep = erq->flags & IW_ENCODE_OPEN;
 228
 229         if (hostap_set_encryption(local)) {
 230                 printk(KERN_DEBUG "%s: set_encryption failed\n", dev->name);
 231                 return -EINVAL;
 232         }
 233
 234         /* Do not reset port0 if card is in Managed mode since resetting will
 235          * generate new IEEE 802.11 authentication which may end up in looping
 236          * with IEEE 802.1X. Prism2 documentation seem to require port reset
 237          * after WEP configuration. However, keys are apparently changed at
 238          * least in Managed mode. */
 239         if (local->iw_mode != IW_MODE_INFRA && local->func->reset_port(dev)) {
 240                 printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
 241                 return -EINVAL;
 242         }
 243
 244         return 0;
 245 }
 246
 247
 248 static int prism2_ioctl_giwencode(struct net_device *dev,
 249                                   struct iw_request_info *info,
 250                                   struct iw_point *erq, char *key)
 251 {
 252         struct hostap_interface *iface;
 253         local_info_t *local;
 254         int i, len;
 255         u16 val;
 256         struct ieee80211_crypt_data *crypt;
 257
 258         iface = netdev_priv(dev);
 259         local = iface->local;
 260
 261         i = erq->flags & IW_ENCODE_INDEX;
 262         if (i < 1 || i > 4)
 263                 i = local->tx_keyidx;
 264         else
 265                 i--;
 266         if (i < 0 || i >= WEP_KEYS)
 267                 return -EINVAL;
 268
 269         crypt = local->crypt[i];
 270         erq->flags = i + 1;
 271
 272         if (crypt == NULL || crypt->ops == NULL) {
 273                 erq->length = 0;
 274                 erq->flags |= IW_ENCODE_DISABLED;
 275                 return 0;
 276         }
 277
 278         if (strcmp(crypt->ops->name, "WEP") != 0) {
 279                 /* only WEP is supported with wireless extensions, so just
 280                  * report that encryption is used */
 281                 erq->length = 0;
 282                 erq->flags |= IW_ENCODE_ENABLED;
 283                 return 0;
 284         }
 285
 286         /* Reads from HFA384X_RID_CNFDEFAULTKEY* return bogus values, so show
 287          * the keys from driver buffer */
 288         len = crypt->ops->get_key(key, WEP_KEY_LEN, NULL, crypt->priv);
 289         erq->length = (len >= 0 ? len : 0);
 290
 291         if (local->func->get_rid(dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, 1) < 0)
 292         {
 293                 printk("CNFWEPFLAGS reading failed\n");
 294                 return -EOPNOTSUPP;
 295         }
 296         le16_to_cpus(&val);
 297         if (val & HFA384X_WEPFLAGS_PRIVACYINVOKED)
 298                 erq->flags |= IW_ENCODE_ENABLED;
 299         else
 300                 erq->flags |= IW_ENCODE_DISABLED;
 301         if (val & HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED)
 302                 erq->flags |= IW_ENCODE_RESTRICTED;
 303         else
 304                 erq->flags |= IW_ENCODE_OPEN;
 305
 306         return 0;
 307 }
 308
 309
 310 static int hostap_set_rate(struct net_device *dev)
 311 {
 312         struct hostap_interface *iface;
 313         local_info_t *local;
 314         int ret, basic_rates;
 315
 316         iface = netdev_priv(dev);
 317         local = iface->local;
 318
 319         basic_rates = local->basic_rates & local->tx_rate_control;
 320         if (!basic_rates || basic_rates != local->basic_rates) {
 321                 printk(KERN_INFO "%s: updating basic rate set automatically "
 322                        "to match with the new supported rate set\n",
 323                        dev->name);
 324                 if (!basic_rates)
 325                         basic_rates = local->tx_rate_control;
 326
 327                 local->basic_rates = basic_rates;
 328                 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
 329                                     basic_rates))
 330                         printk(KERN_WARNING "%s: failed to set "
 331                                "cnfBasicRates\n", dev->name);
 332         }
 333
 334         ret = (hostap_set_word(dev, HFA384X_RID_TXRATECONTROL,
 335                                local->tx_rate_control) ||
 336                hostap_set_word(dev, HFA384X_RID_CNFSUPPORTEDRATES,
 337                                local->tx_rate_control) ||
 338                local->func->reset_port(dev));
 339
 340         if (ret) {
 341                 printk(KERN_WARNING "%s: TXRateControl/cnfSupportedRates "
 342                        "setting to 0x%x failed\n",
 343                        dev->name, local->tx_rate_control);
 344         }
 345
 346         /* Update TX rate configuration for all STAs based on new operational
 347          * rate set. */
 348         hostap_update_rates(local);
 349
 350         return ret;
 351 }
 352
 353
 354 static int prism2_ioctl_siwrate(struct net_device *dev,
 355                                 struct iw_request_info *info,
 356                                 struct iw_param *rrq, char *extra)
 357 {
 358         struct hostap_interface *iface;
 359         local_info_t *local;
 360
 361         iface = netdev_priv(dev);
 362         local = iface->local;
 363
 364         if (rrq->fixed) {
 365                 switch (rrq->value) {
 366                 case 11000000:
 367                         local->tx_rate_control = HFA384X_RATES_11MBPS;
 368                         break;
 369                 case 5500000:
 370                         local->tx_rate_control = HFA384X_RATES_5MBPS;
 371                         break;
 372                 case 2000000:
 373                         local->tx_rate_control = HFA384X_RATES_2MBPS;
 374                         break;
 375                 case 1000000:
 376                         local->tx_rate_control = HFA384X_RATES_1MBPS;
 377                         break;
 378                 default:
 379                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 380                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
 381                                 HFA384X_RATES_11MBPS;
 382                         break;
 383                 }
 384         } else {
 385                 switch (rrq->value) {
 386                 case 11000000:
 387                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 388                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
 389                                 HFA384X_RATES_11MBPS;
 390                         break;
 391                 case 5500000:
 392                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 393                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS;
 394                         break;
 395                 case 2000000:
 396                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 397                                 HFA384X_RATES_2MBPS;
 398                         break;
 399                 case 1000000:
 400                         local->tx_rate_control = HFA384X_RATES_1MBPS;
 401                         break;
 402                 default:
 403                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 404                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
 405                                 HFA384X_RATES_11MBPS;
 406                         break;
 407                 }
 408         }
 409
 410         return hostap_set_rate(dev);
 411 }
 412
 413
 414 static int prism2_ioctl_giwrate(struct net_device *dev,
 415                                 struct iw_request_info *info,
 416                                 struct iw_param *rrq, char *extra)
 417 {
 418         u16 val;
 419         struct hostap_interface *iface;
 420         local_info_t *local;
 421         int ret = 0;
 422
 423         iface = netdev_priv(dev);
 424         local = iface->local;
 425
 426         if (local->func->get_rid(dev, HFA384X_RID_TXRATECONTROL, &val, 2, 1) <
 427             0)
 428                 return -EINVAL;
 429
 430         if ((val & 0x1) && (val > 1))
 431                 rrq->fixed = 0;
 432         else
 433                 rrq->fixed = 1;
 434
 435         if (local->iw_mode == IW_MODE_MASTER && local->ap != NULL &&
 436             !local->fw_tx_rate_control) {
 437                 /* HFA384X_RID_CURRENTTXRATE seems to always be 2 Mbps in
 438                  * Host AP mode, so use the recorded TX rate of the last sent
 439                  * frame */
 440                 rrq->value = local->ap->last_tx_rate > 0 ?
 441                         local->ap->last_tx_rate * 100000 : 11000000;
 442                 return 0;
 443         }
 444
 445         if (local->func->get_rid(dev, HFA384X_RID_CURRENTTXRATE, &val, 2, 1) <
 446             0)
 447                 return -EINVAL;
 448
 449         switch (val) {
 450         case HFA384X_RATES_1MBPS:
 451                 rrq->value = 1000000;
 452                 break;
 453         case HFA384X_RATES_2MBPS:
 454                 rrq->value = 2000000;
 455                 break;
 456         case HFA384X_RATES_5MBPS:
 457                 rrq->value = 5500000;
 458                 break;
 459         case HFA384X_RATES_11MBPS:
 460                 rrq->value = 11000000;
 461                 break;
 462         default:
 463                 /* should not happen */
 464                 rrq->value = 11000000;
 465                 ret = -EINVAL;
 466                 break;
 467         }
 468
 469         return ret;
 470 }
 471
 472
 473 static int prism2_ioctl_siwsens(struct net_device *dev,
 474                                 struct iw_request_info *info,
 475                                 struct iw_param *sens, char *extra)
 476 {
 477         struct hostap_interface *iface;
 478         local_info_t *local;
 479
 480         iface = netdev_priv(dev);
 481         local = iface->local;
 482
 483         /* Set the desired AP density */
 484         if (sens->value < 1 || sens->value > 3)
 485                 return -EINVAL;
 486
 487         if (hostap_set_word(dev, HFA384X_RID_CNFSYSTEMSCALE, sens->value) ||
 488             local->func->reset_port(dev))
 489                 return -EINVAL;
 490
 491         return 0;
 492 }
 493
 494 static int prism2_ioctl_giwsens(struct net_device *dev,
 495                                 struct iw_request_info *info,
 496                                 struct iw_param *sens, char *extra)
 497 {
 498         struct hostap_interface *iface;
 499         local_info_t *local;
 500         u16 val;
 501
 502         iface = netdev_priv(dev);
 503         local = iface->local;
 504
 505         /* Get the current AP density */
 506         if (local->func->get_rid(dev, HFA384X_RID_CNFSYSTEMSCALE, &val, 2, 1) <
 507             0)
 508                 return -EINVAL;
 509
 510         sens->value = __le16_to_cpu(val);
 511         sens->fixed = 1;
 512
 513         return 0;
 514 }
 515
 516
 517 /* Deprecated in new wireless extension API */
 518 static int prism2_ioctl_giwaplist(struct net_device *dev,
 519                                   struct iw_request_info *info,
 520                                   struct iw_point *data, char *extra)
 521 {
 522         struct hostap_interface *iface;
 523         local_info_t *local;
 524         struct sockaddr *addr;
 525         struct iw_quality *qual;
 526
 527         iface = netdev_priv(dev);
 528         local = iface->local;
 529
 530         if (local->iw_mode != IW_MODE_MASTER) {
 531                 printk(KERN_DEBUG "SIOCGIWAPLIST is currently only supported "
 532                        "in Host AP mode\n");
 533                 data->length = 0;
 534                 return -EOPNOTSUPP;
 535         }
 536
 537         addr = kmalloc(sizeof(struct sockaddr) * IW_MAX_AP, GFP_KERNEL);
 538         qual = kmalloc(sizeof(struct iw_quality) * IW_MAX_AP, GFP_KERNEL);
 539         if (addr == NULL || qual == NULL) {
 540                 kfree(addr);
 541                 kfree(qual);
 542                 data->length = 0;
 543                 return -ENOMEM;
 544         }
 545
 546         data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1);
 547
 548         memcpy(extra, &addr, sizeof(struct sockaddr) * data->length);
 549         data->flags = 1; /* has quality information */
 550         memcpy(extra + sizeof(struct sockaddr) * data->length, &qual,
 551                sizeof(struct iw_quality) * data->length);
 552
 553         kfree(addr);
 554         kfree(qual);
 555
 556         return 0;
 557 }
 558
 559
 560 static int prism2_ioctl_siwrts(struct net_device *dev,
 561                                struct iw_request_info *info,
 562                                struct iw_param *rts, char *extra)
 563 {
 564         struct hostap_interface *iface;
 565         local_info_t *local;
 566         u16 val;
 567
 568         iface = netdev_priv(dev);
 569         local = iface->local;
 570
 571         if (rts->disabled)
 572                 val = __constant_cpu_to_le16(2347);
 573         else if (rts->value < 0 || rts->value > 2347)
 574                 return -EINVAL;
 575         else
 576                 val = __cpu_to_le16(rts->value);
 577
 578         if (local->func->set_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2) ||
 579             local->func->reset_port(dev))
 580                 return -EINVAL;
 581
 582         local->rts_threshold = rts->value;
 583
 584         return 0;
 585 }
 586
 587 static int prism2_ioctl_giwrts(struct net_device *dev,
 588                                struct iw_request_info *info,
 589                                struct iw_param *rts, char *extra)
 590 {
 591         struct hostap_interface *iface;
 592         local_info_t *local;
 593         u16 val;
 594
 595         iface = netdev_priv(dev);
 596         local = iface->local;
 597
 598         if (local->func->get_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2, 1) <
 599             0)
 600                 return -EINVAL;
 601
 602         rts->value = __le16_to_cpu(val);
 603         rts->disabled = (rts->value == 2347);
 604         rts->fixed = 1;
 605
 606         return 0;
 607 }
 608
 609
 610 static int prism2_ioctl_siwfrag(struct net_device *dev,
 611                                 struct iw_request_info *info,
 612                                 struct iw_param *rts, char *extra)
 613 {
 614         struct hostap_interface *iface;
 615         local_info_t *local;
 616         u16 val;
 617
 618         iface = netdev_priv(dev);
 619         local = iface->local;
 620
 621         if (rts->disabled)
 622                 val = __constant_cpu_to_le16(2346);
 623         else if (rts->value < 256 || rts->value > 2346)
 624                 return -EINVAL;
 625         else
 626                 val = __cpu_to_le16(rts->value & ~0x1); /* even numbers only */
 627
 628         local->fragm_threshold = rts->value & ~0x1;
 629         if (local->func->set_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, &val,
 630                                  2)
 631             || local->func->reset_port(dev))
 632                 return -EINVAL;
 633
 634         return 0;
 635 }
 636
 637 static int prism2_ioctl_giwfrag(struct net_device *dev,
 638                                 struct iw_request_info *info,
 639                                 struct iw_param *rts, char *extra)
 640 {
 641         struct hostap_interface *iface;
 642         local_info_t *local;
 643         u16 val;
 644
 645         iface = netdev_priv(dev);
 646         local = iface->local;
 647
 648         if (local->func->get_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD,
 649                                  &val, 2, 1) < 0)
 650                 return -EINVAL;
 651
 652         rts->value = __le16_to_cpu(val);
 653         rts->disabled = (rts->value == 2346);
 654         rts->fixed = 1;
 655
 656         return 0;
 657 }
 658
 659
 660 #ifndef PRISM2_NO_STATION_MODES
 661 static int hostap_join_ap(struct net_device *dev)
 662 {
 663         struct hostap_interface *iface;
 664         local_info_t *local;
 665         struct hfa384x_join_request req;
 666         unsigned long flags;
 667         int i;
 668         struct hfa384x_hostscan_result *entry;
 669
 670         iface = netdev_priv(dev);
 671         local = iface->local;
 672
 673         memcpy(req.bssid, local->preferred_ap, ETH_ALEN);
 674         req.channel = 0;
 675
 676         spin_lock_irqsave(&local->lock, flags);
 677         for (i = 0; i < local->last_scan_results_count; i++) {
 678                 if (!local->last_scan_results)
 679                         break;
 680                 entry = &local->last_scan_results[i];
 681                 if (memcmp(local->preferred_ap, entry->bssid, ETH_ALEN) == 0) {
 682                         req.channel = entry->chid;
 683                         break;
 684                 }
 685         }
 686         spin_unlock_irqrestore(&local->lock, flags);
 687
 688         if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req,
 689                                  sizeof(req))) {
 690                 printk(KERN_DEBUG "%s: JoinRequest " MACSTR
 691                        " failed\n",
 692                        dev->name, MAC2STR(local->preferred_ap));
 693                 return -1;
 694         }
 695
 696         printk(KERN_DEBUG "%s: Trying to join BSSID " MACSTR "\n",
 697                dev->name, MAC2STR(local->preferred_ap));
 698
 699         return 0;
 700 }
 701 #endif /* PRISM2_NO_STATION_MODES */
 702
 703
 704 static int prism2_ioctl_siwap(struct net_device *dev,
 705                               struct iw_request_info *info,
 706                               struct sockaddr *ap_addr, char *extra)
 707 {
 708 #ifdef PRISM2_NO_STATION_MODES
 709         return -EOPNOTSUPP;
 710 #else /* PRISM2_NO_STATION_MODES */
 711         struct hostap_interface *iface;
 712         local_info_t *local;
 713
 714         iface = netdev_priv(dev);
 715         local = iface->local;
 716
 717         memcpy(local->preferred_ap, &ap_addr->sa_data, ETH_ALEN);
 718
 719         if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) {
 720                 struct hfa384x_scan_request scan_req;
 721                 memset(&scan_req, 0, sizeof(scan_req));
 722                 scan_req.channel_list = __constant_cpu_to_le16(0x3fff);
 723                 scan_req.txrate = __constant_cpu_to_le16(HFA384X_RATES_1MBPS);
 724                 if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST,
 725                                          &scan_req, sizeof(scan_req))) {
 726                         printk(KERN_DEBUG "%s: ScanResults request failed - "
 727                                "preferred AP delayed to next unsolicited "
 728                                "scan\n", dev->name);
 729                 }
 730         } else if (local->host_roaming == 2 &&
 731                    local->iw_mode == IW_MODE_INFRA) {
 732                 if (hostap_join_ap(dev))
 733                         return -EINVAL;
 734         } else {
 735                 printk(KERN_DEBUG "%s: Preferred AP (SIOCSIWAP) is used only "
 736                        "in Managed mode when host_roaming is enabled\n",
 737                        dev->name);
 738         }
 739
 740         return 0;
 741 #endif /* PRISM2_NO_STATION_MODES */
 742 }
 743
 744 static int prism2_ioctl_giwap(struct net_device *dev,
 745                               struct iw_request_info *info,
 746                               struct sockaddr *ap_addr, char *extra)
 747 {
 748         struct hostap_interface *iface;
 749         local_info_t *local;
 750
 751         iface = netdev_priv(dev);
 752         local = iface->local;
 753
 754         ap_addr->sa_family = ARPHRD_ETHER;
 755         switch (iface->type) {
 756         case HOSTAP_INTERFACE_AP:
 757                 memcpy(&ap_addr->sa_data, dev->dev_addr, ETH_ALEN);
 758                 break;
 759         case HOSTAP_INTERFACE_STA:
 760                 memcpy(&ap_addr->sa_data, local->assoc_ap_addr, ETH_ALEN);
 761                 break;
 762         case HOSTAP_INTERFACE_WDS:
 763                 memcpy(&ap_addr->sa_data, iface->u.wds.remote_addr, ETH_ALEN);
 764                 break;
 765         default:
 766                 if (local->func->get_rid(dev, HFA384X_RID_CURRENTBSSID,
 767                                          &ap_addr->sa_data, ETH_ALEN, 1) < 0)
 768                         return -EOPNOTSUPP;
 769
 770                 /* local->bssid is also updated in LinkStatus handler when in
 771                  * station mode */
 772                 memcpy(local->bssid, &ap_addr->sa_data, ETH_ALEN);
 773                 break;
 774         }
 775
 776         return 0;
 777 }
 778
 779
 780 static int prism2_ioctl_siwnickn(struct net_device *dev,
 781                                  struct iw_request_info *info,
 782                                  struct iw_point *data, char *nickname)
 783 {
 784         struct hostap_interface *iface;
 785         local_info_t *local;
 786
 787         iface = netdev_priv(dev);
 788         local = iface->local;
 789
 790         memset(local->name, 0, sizeof(local->name));
 791         memcpy(local->name, nickname, data->length);
 792         local->name_set = 1;
 793
 794         if (hostap_set_string(dev, HFA384X_RID_CNFOWNNAME, local->name) ||
 795             local->func->reset_port(dev))
 796                 return -EINVAL;
 797
 798         return 0;
 799 }
 800
 801 static int prism2_ioctl_giwnickn(struct net_device *dev,
 802                                  struct iw_request_info *info,
 803                                  struct iw_point *data, char *nickname)
 804 {
 805         struct hostap_interface *iface;
 806         local_info_t *local;
 807         int len;
 808         char name[MAX_NAME_LEN + 3];
 809         u16 val;
 810
 811         iface = netdev_priv(dev);
 812         local = iface->local;
 813
 814         len = local->func->get_rid(dev, HFA384X_RID_CNFOWNNAME,
 815                                    &name, MAX_NAME_LEN + 2, 0);
 816         val = __le16_to_cpu(*(u16 *) name);
 817         if (len > MAX_NAME_LEN + 2 || len < 0 || val > MAX_NAME_LEN)
 818                 return -EOPNOTSUPP;
 819
 820         name[val + 2] = '\0';
 821         data->length = val + 1;
 822         memcpy(nickname, name + 2, val + 1);
 823
 824         return 0;
 825 }
 826
 827
 828 static int prism2_ioctl_siwfreq(struct net_device *dev,
 829                                 struct iw_request_info *info,
 830                                 struct iw_freq *freq, char *extra)
 831 {
 832         struct hostap_interface *iface;
 833         local_info_t *local;
 834
 835         iface = netdev_priv(dev);
 836         local = iface->local;
 837
 838         /* freq => chan. */
 839         if (freq->e == 1 &&
 840             freq->m / 100000 >= freq_list[0] &&
 841             freq->m / 100000 <= freq_list[FREQ_COUNT - 1]) {
 842                 int ch;
 843                 int fr = freq->m / 100000;
 844                 for (ch = 0; ch < FREQ_COUNT; ch++) {
 845                         if (fr == freq_list[ch]) {
 846                                 freq->e = 0;
 847                                 freq->m = ch + 1;
 848                                 break;
 849                         }
 850                 }
 851         }
 852
 853         if (freq->e != 0 || freq->m < 1 || freq->m > FREQ_COUNT ||
 854             !(local->channel_mask & (1 << (freq->m - 1))))
 855                 return -EINVAL;
 856
 857         local->channel = freq->m; /* channel is used in prism2_setup_rids() */
 858         if (hostap_set_word(dev, HFA384X_RID_CNFOWNCHANNEL, local->channel) ||
 859             local->func->reset_port(dev))
 860                 return -EINVAL;
 861
 862         return 0;
 863 }
 864
 865 static int prism2_ioctl_giwfreq(struct net_device *dev,
 866                                 struct iw_request_info *info,
 867                                 struct iw_freq *freq, char *extra)
 868 {
 869         struct hostap_interface *iface;
 870         local_info_t *local;
 871         u16 val;
 872
 873         iface = netdev_priv(dev);
 874         local = iface->local;
 875
 876         if (local->func->get_rid(dev, HFA384X_RID_CURRENTCHANNEL, &val, 2, 1) <
 877             0)
 878                 return -EINVAL;
 879
 880         le16_to_cpus(&val);
 881         if (val < 1 || val > FREQ_COUNT)
 882                 return -EINVAL;
 883
 884         freq->m = freq_list[val - 1] * 100000;
 885         freq->e = 1;
 886
 887         return 0;
 888 }
 889
 890
 891 static void hostap_monitor_set_type(local_info_t *local)
 892 {
 893         struct net_device *dev = local->ddev;
 894
 895         if (dev == NULL)
 896                 return;
 897
 898         if (local->monitor_type == PRISM2_MONITOR_PRISM ||
 899             local->monitor_type == PRISM2_MONITOR_CAPHDR) {
 900                 dev->type = ARPHRD_IEEE80211_PRISM;
 901                 dev->hard_header_parse =
 902                         hostap_80211_prism_header_parse;
 903         } else {
 904                 dev->type = ARPHRD_IEEE80211;
 905                 dev->hard_header_parse = hostap_80211_header_parse;
 906         }
 907 }
 908
 909
 910 static int prism2_ioctl_siwessid(struct net_device *dev,
 911                                  struct iw_request_info *info,
 912                                  struct iw_point *data, char *ssid)
 913 {
 914         struct hostap_interface *iface;
 915         local_info_t *local;
 916
 917         iface = netdev_priv(dev);
 918         local = iface->local;
 919
 920         if (iface->type == HOSTAP_INTERFACE_WDS)
 921                 return -EOPNOTSUPP;
 922
 923         if (data->flags == 0)
 924                 ssid[0] = '\0'; /* ANY */
 925
 926         if (local->iw_mode == IW_MODE_MASTER && ssid[0] == '\0') {
 927                 /* Setting SSID to empty string seems to kill the card in
 928                  * Host AP mode */
 929                 printk(KERN_DEBUG "%s: Host AP mode does not support "
 930                        "'Any' essid\n", dev->name);
 931                 return -EINVAL;
 932         }
 933
 934         memcpy(local->essid, ssid, data->length);
 935         local->essid[data->length] = '\0';
 936
 937         if ((!local->fw_ap &&
 938              hostap_set_string(dev, HFA384X_RID_CNFDESIREDSSID, local->essid))
 939             || hostap_set_string(dev, HFA384X_RID_CNFOWNSSID, local->essid) ||
 940             local->func->reset_port(dev))
 941                 return -EINVAL;
 942
 943         return 0;
 944 }
 945
 946 static int prism2_ioctl_giwessid(struct net_device *dev,
 947                                  struct iw_request_info *info,
 948                                  struct iw_point *data, char *essid)
 949 {
 950         struct hostap_interface *iface;
 951         local_info_t *local;
 952         u16 val;
 953
 954         iface = netdev_priv(dev);
 955         local = iface->local;
 956
 957         if (iface->type == HOSTAP_INTERFACE_WDS)
 958                 return -EOPNOTSUPP;
 959
 960         data->flags = 1; /* active */
 961         if (local->iw_mode == IW_MODE_MASTER) {
 962                 data->length = strlen(local->essid);
 963                 memcpy(essid, local->essid, IW_ESSID_MAX_SIZE);
 964         } else {
 965                 int len;
 966                 char ssid[MAX_SSID_LEN + 2];
 967                 memset(ssid, 0, sizeof(ssid));
 968                 len = local->func->get_rid(dev, HFA384X_RID_CURRENTSSID,
 969                                            &ssid, MAX_SSID_LEN + 2, 0);
 970                 val = __le16_to_cpu(*(u16 *) ssid);
 971                 if (len > MAX_SSID_LEN + 2 || len < 0 || val > MAX_SSID_LEN) {
 972                         return -EOPNOTSUPP;
 973                 }
 974                 data->length = val;
 975                 memcpy(essid, ssid + 2, IW_ESSID_MAX_SIZE);
 976         }
 977
 978         return 0;
 979 }
 980
 981
 982 static int prism2_ioctl_giwrange(struct net_device *dev,
 983                                  struct iw_request_info *info,
 984                                  struct iw_point *data, char *extra)
 985 {
 986         struct hostap_interface *iface;
 987         local_info_t *local;
 988         struct iw_range *range = (struct iw_range *) extra;
 989         u8 rates[10];
 990         u16 val;
 991         int i, len, over2;
 992
 993         iface = netdev_priv(dev);
 994         local = iface->local;
 995
 996         data->length = sizeof(struct iw_range);
 997         memset(range, 0, sizeof(struct iw_range));
 998
 999         /* TODO: could fill num_txpower and txpower array with
1000          * something; however, there are 128 different values.. */
1001
1002         range->txpower_capa = IW_TXPOW_DBM;
1003
1004         if (local->iw_mode == IW_MODE_INFRA || local->iw_mode == IW_MODE_ADHOC)
1005         {
1006                 range->min_pmp = 1 * 1024;
1007                 range->max_pmp = 65535 * 1024;
1008                 range->min_pmt = 1 * 1024;
1009                 range->max_pmt = 1000 * 1024;
1010                 range->pmp_flags = IW_POWER_PERIOD;
1011                 range->pmt_flags = IW_POWER_TIMEOUT;
1012                 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT |
1013                         IW_POWER_UNICAST_R | IW_POWER_ALL_R;
1014         }
1015
1016         range->we_version_compiled = WIRELESS_EXT;
1017         range->we_version_source = 18;
1018
1019         range->retry_capa = IW_RETRY_LIMIT;
1020         range->retry_flags = IW_RETRY_LIMIT;
1021         range->min_retry = 0;
1022         range->max_retry = 255;
1023
1024         range->num_channels = FREQ_COUNT;
1025
1026         val = 0;
1027         for (i = 0; i < FREQ_COUNT; i++) {
1028                 if (local->channel_mask & (1 << i)) {
1029                         range->freq[val].i = i + 1;
1030                         range->freq[val].m = freq_list[i] * 100000;
1031                         range->freq[val].e = 1;
1032                         val++;
1033                 }
1034                 if (val == IW_MAX_FREQUENCIES)
1035                         break;
1036         }
1037         range->num_frequency = val;
1038
1039         if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) {
1040                 range->max_qual.qual = 70; /* what is correct max? This was not
1041                                             * documented exactly. At least
1042                                             * 69 has been observed. */
1043                 range->max_qual.level = 0; /* dB */
1044                 range->max_qual.noise = 0; /* dB */
1045
1046                 /* What would be suitable values for "average/typical" qual? */
1047                 range->avg_qual.qual = 20;
1048                 range->avg_qual.level = -60;
1049                 range->avg_qual.noise = -95;
1050         } else {
1051                 range->max_qual.qual = 92; /* 0 .. 92 */
1052                 range->max_qual.level = 154; /* 27 .. 154 */
1053                 range->max_qual.noise = 154; /* 27 .. 154 */
1054         }
1055         range->sensitivity = 3;
1056
1057         range->max_encoding_tokens = WEP_KEYS;
1058         range->num_encoding_sizes = 2;
1059         range->encoding_size[0] = 5;
1060         range->encoding_size[1] = 13;
1061
1062         over2 = 0;
1063         len = prism2_get_datarates(dev, rates);
1064         range->num_bitrates = 0;
1065         for (i = 0; i < len; i++) {
1066                 if (range->num_bitrates < IW_MAX_BITRATES) {
1067                         range->bitrate[range->num_bitrates] =
1068                                 rates[i] * 500000;
1069                         range->num_bitrates++;
1070                 }
1071                 if (rates[i] == 0x0b || rates[i] == 0x16)
1072                         over2 = 1;
1073         }
1074         /* estimated maximum TCP throughput values (bps) */
1075         range->throughput = over2 ? 5500000 : 1500000;
1076
1077         range->min_rts = 0;
1078         range->max_rts = 2347;
1079         range->min_frag = 256;
1080         range->max_frag = 2346;
1081
1082         /* Event capability (kernel + driver) */
1083         range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
1084                                 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
1085                                 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
1086                                 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
1087         range->event_capa[1] = IW_EVENT_CAPA_K_1;
1088         range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVTXDROP) |
1089                                 IW_EVENT_CAPA_MASK(IWEVCUSTOM) |
1090                                 IW_EVENT_CAPA_MASK(IWEVREGISTERED) |
1091                                 IW_EVENT_CAPA_MASK(IWEVEXPIRED));
1092
1093         range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
1094                 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
1095
1096         return 0;
1097 }
1098
1099
1100 static int hostap_monitor_mode_enable(local_info_t *local)
1101 {
1102         struct net_device *dev = local->dev;
1103
1104         printk(KERN_DEBUG "Enabling monitor mode\n");
1105         hostap_monitor_set_type(local);
1106
1107         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1108                             HFA384X_PORTTYPE_PSEUDO_IBSS)) {
1109                 printk(KERN_DEBUG "Port type setting for monitor mode "
1110                        "failed\n");
1111                 return -EOPNOTSUPP;
1112         }
1113
1114         /* Host decrypt is needed to get the IV and ICV fields;
1115          * however, monitor mode seems to remove WEP flag from frame
1116          * control field */
1117         if (hostap_set_word(dev, HFA384X_RID_CNFWEPFLAGS,
1118                             HFA384X_WEPFLAGS_HOSTENCRYPT |
1119                             HFA384X_WEPFLAGS_HOSTDECRYPT)) {
1120                 printk(KERN_DEBUG "WEP flags setting failed\n");
1121                 return -EOPNOTSUPP;
1122         }
1123
1124         if (local->func->reset_port(dev) ||
1125             local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1126                              (HFA384X_TEST_MONITOR << 8),
1127                              0, NULL, NULL)) {
1128                 printk(KERN_DEBUG "Setting monitor mode failed\n");
1129                 return -EOPNOTSUPP;
1130         }
1131
1132         return 0;
1133 }
1134
1135
1136 static int hostap_monitor_mode_disable(local_info_t *local)
1137 {
1138         struct net_device *dev = local->ddev;
1139
1140         if (dev == NULL)
1141                 return -1;
1142
1143         printk(KERN_DEBUG "%s: Disabling monitor mode\n", dev->name);
1144         dev->type = ARPHRD_ETHER;
1145         dev->hard_header_parse = local->saved_eth_header_parse;
1146         if (local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1147                              (HFA384X_TEST_STOP << 8),
1148                              0, NULL, NULL))
1149                 return -1;
1150         return hostap_set_encryption(local);
1151 }
1152
1153
1154 static int prism2_ioctl_siwmode(struct net_device *dev,
1155                                 struct iw_request_info *info,
1156                                 __u32 *mode, char *extra)
1157 {
1158         struct hostap_interface *iface;
1159         local_info_t *local;
1160         int double_reset = 0;
1161
1162         iface = netdev_priv(dev);
1163         local = iface->local;
1164
1165         if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA &&
1166             *mode != IW_MODE_MASTER && *mode != IW_MODE_REPEAT &&
1167             *mode != IW_MODE_MONITOR)
1168                 return -EOPNOTSUPP;
1169
1170 #ifdef PRISM2_NO_STATION_MODES
1171         if (*mode == IW_MODE_ADHOC || *mode == IW_MODE_INFRA)
1172                 return -EOPNOTSUPP;
1173 #endif /* PRISM2_NO_STATION_MODES */
1174
1175         if (*mode == local->iw_mode)
1176                 return 0;
1177
1178         if (*mode == IW_MODE_MASTER && local->essid[0] == '\0') {
1179                 printk(KERN_WARNING "%s: empty SSID not allowed in Master "
1180                        "mode\n", dev->name);
1181                 return -EINVAL;
1182         }
1183
1184         if (local->iw_mode == IW_MODE_MONITOR)
1185                 hostap_monitor_mode_disable(local);
1186
1187         if ((local->iw_mode == IW_MODE_ADHOC ||
1188              local->iw_mode == IW_MODE_MONITOR) && *mode == IW_MODE_MASTER) {
1189                 /* There seems to be a firmware bug in at least STA f/w v1.5.6
1190                  * that leaves beacon frames to use IBSS type when moving from
1191                  * IBSS to Host AP mode. Doing double Port0 reset seems to be
1192                  * enough to workaround this. */
1193                 double_reset = 1;
1194         }
1195
1196         printk(KERN_DEBUG "prism2: %s: operating mode changed "
1197                "%d -> %d\n", dev->name, local->iw_mode, *mode);
1198         local->iw_mode = *mode;
1199
1200         if (local->iw_mode == IW_MODE_MONITOR)
1201                 hostap_monitor_mode_enable(local);
1202         else if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt &&
1203                  !local->fw_encrypt_ok) {
1204                 printk(KERN_DEBUG "%s: defaulting to host-based encryption as "
1205                        "a workaround for firmware bug in Host AP mode WEP\n",
1206                        dev->name);
1207                 local->host_encrypt = 1;
1208         }
1209
1210         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1211                             hostap_get_porttype(local)))
1212                 return -EOPNOTSUPP;
1213
1214         if (local->func->reset_port(dev))
1215                 return -EINVAL;
1216         if (double_reset && local->func->reset_port(dev))
1217                 return -EINVAL;
1218
1219         if (local->iw_mode != IW_MODE_INFRA && local->iw_mode != IW_MODE_ADHOC)
1220         {
1221                 /* netif_carrier is used only in client modes for now, so make
1222                  * sure carrier is on when moving to non-client modes. */
1223                 netif_carrier_on(local->dev);
1224                 netif_carrier_on(local->ddev);
1225         }
1226         return 0;
1227 }
1228
1229
1230 static int prism2_ioctl_giwmode(struct net_device *dev,
1231                                 struct iw_request_info *info,
1232                                 __u32 *mode, char *extra)
1233 {
1234         struct hostap_interface *iface;
1235         local_info_t *local;
1236
1237         iface = netdev_priv(dev);
1238         local = iface->local;
1239
1240         switch (iface->type) {
1241         case HOSTAP_INTERFACE_STA:
1242                 *mode = IW_MODE_INFRA;
1243                 break;
1244         case HOSTAP_INTERFACE_WDS:
1245                 *mode = IW_MODE_REPEAT;
1246                 break;
1247         default:
1248                 *mode = local->iw_mode;
1249                 break;
1250         }
1251         return 0;
1252 }
1253
1254
1255 static int prism2_ioctl_siwpower(struct net_device *dev,
1256                                  struct iw_request_info *info,
1257                                  struct iw_param *wrq, char *extra)
1258 {
1259 #ifdef PRISM2_NO_STATION_MODES
1260         return -EOPNOTSUPP;
1261 #else /* PRISM2_NO_STATION_MODES */
1262         int ret = 0;
1263
1264         if (wrq->disabled)
1265                 return hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 0);
1266
1267         switch (wrq->flags & IW_POWER_MODE) {
1268         case IW_POWER_UNICAST_R:
1269                 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 0);
1270                 if (ret)
1271                         return ret;
1272                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1273                 if (ret)
1274                         return ret;
1275                 break;
1276         case IW_POWER_ALL_R:
1277                 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 1);
1278                 if (ret)
1279                         return ret;
1280                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1281                 if (ret)
1282                         return ret;
1283                 break;
1284         case IW_POWER_ON:
1285                 break;
1286         default:
1287                 return -EINVAL;
1288         }
1289
1290         if (wrq->flags & IW_POWER_TIMEOUT) {
1291                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1292                 if (ret)
1293                         return ret;
1294                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMHOLDOVERDURATION,
1295                                       wrq->value / 1024);
1296                 if (ret)
1297                         return ret;
1298         }
1299         if (wrq->flags & IW_POWER_PERIOD) {
1300                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1301                 if (ret)
1302                         return ret;
1303                 ret = hostap_set_word(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1304                                       wrq->value / 1024);
1305                 if (ret)
1306                         return ret;
1307         }
1308
1309         return ret;
1310 #endif /* PRISM2_NO_STATION_MODES */
1311 }
1312
1313
1314 static int prism2_ioctl_giwpower(struct net_device *dev,
1315                                  struct iw_request_info *info,
1316                                  struct iw_param *rrq, char *extra)
1317 {
1318 #ifdef PRISM2_NO_STATION_MODES
1319         return -EOPNOTSUPP;
1320 #else /* PRISM2_NO_STATION_MODES */
1321         struct hostap_interface *iface;
1322         local_info_t *local;
1323         u16 enable, mcast;
1324
1325         iface = netdev_priv(dev);
1326         local = iface->local;
1327
1328         if (local->func->get_rid(dev, HFA384X_RID_CNFPMENABLED, &enable, 2, 1)
1329             < 0)
1330                 return -EINVAL;
1331
1332         if (!__le16_to_cpu(enable)) {
1333                 rrq->disabled = 1;
1334                 return 0;
1335         }
1336
1337         rrq->disabled = 0;
1338
1339         if ((rrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
1340                 u16 timeout;
1341                 if (local->func->get_rid(dev,
1342                                          HFA384X_RID_CNFPMHOLDOVERDURATION,
1343                                          &timeout, 2, 1) < 0)
1344                         return -EINVAL;
1345
1346                 rrq->flags = IW_POWER_TIMEOUT;
1347                 rrq->value = __le16_to_cpu(timeout) * 1024;
1348         } else {
1349                 u16 period;
1350                 if (local->func->get_rid(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1351                                          &period, 2, 1) < 0)
1352                         return -EINVAL;
1353
1354                 rrq->flags = IW_POWER_PERIOD;
1355                 rrq->value = __le16_to_cpu(period) * 1024;
1356         }
1357
1358         if (local->func->get_rid(dev, HFA384X_RID_CNFMULTICASTRECEIVE, &mcast,
1359                                  2, 1) < 0)
1360                 return -EINVAL;
1361
1362         if (__le16_to_cpu(mcast))
1363                 rrq->flags |= IW_POWER_ALL_R;
1364         else
1365                 rrq->flags |= IW_POWER_UNICAST_R;
1366
1367         return 0;
1368 #endif /* PRISM2_NO_STATION_MODES */
1369 }
1370
1371
1372 static int prism2_ioctl_siwretry(struct net_device *dev,
1373                                  struct iw_request_info *info,
1374                                  struct iw_param *rrq, char *extra)
1375 {
1376         struct hostap_interface *iface;
1377         local_info_t *local;
1378
1379         iface = netdev_priv(dev);
1380         local = iface->local;
1381
1382         if (rrq->disabled)
1383                 return -EINVAL;
1384
1385         /* setting retry limits is not supported with the current station
1386          * firmware code; simulate this with alternative retry count for now */
1387         if (rrq->flags == IW_RETRY_LIMIT) {
1388                 if (rrq->value < 0) {
1389                         /* disable manual retry count setting and use firmware
1390                          * defaults */
1391                         local->manual_retry_count = -1;
1392                         local->tx_control &= ~HFA384X_TX_CTRL_ALT_RTRY;
1393                 } else {
1394                         if (hostap_set_word(dev, HFA384X_RID_CNFALTRETRYCOUNT,
1395                                             rrq->value)) {
1396                                 printk(KERN_DEBUG "%s: Alternate retry count "
1397                                        "setting to %d failed\n",
1398                                        dev->name, rrq->value);
1399                                 return -EOPNOTSUPP;
1400                         }
1401
1402                         local->manual_retry_count = rrq->value;
1403                         local->tx_control |= HFA384X_TX_CTRL_ALT_RTRY;
1404                 }
1405                 return 0;
1406         }
1407
1408         return -EOPNOTSUPP;
1409
1410 #if 0
1411         /* what could be done, if firmware would support this.. */
1412
1413         if (rrq->flags & IW_RETRY_LIMIT) {
1414                 if (rrq->flags & IW_RETRY_MAX)
1415                         HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1416                 else if (rrq->flags & IW_RETRY_MIN)
1417                         HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1418                 else {
1419                         HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1420                         HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1421                 }
1422
1423         }
1424
1425         if (rrq->flags & IW_RETRY_LIFETIME) {
1426                 HFA384X_RID_MAXTRANSMITLIFETIME = rrq->value / 1024;
1427         }
1428
1429         return 0;
1430 #endif /* 0 */
1431 }
1432
1433 static int prism2_ioctl_giwretry(struct net_device *dev,
1434                                  struct iw_request_info *info,
1435                                  struct iw_param *rrq, char *extra)
1436 {
1437         struct hostap_interface *iface;
1438         local_info_t *local;
1439         u16 shortretry, longretry, lifetime, altretry;
1440
1441         iface = netdev_priv(dev);
1442         local = iface->local;
1443
1444         if (local->func->get_rid(dev, HFA384X_RID_SHORTRETRYLIMIT, &shortretry,
1445                                  2, 1) < 0 ||
1446             local->func->get_rid(dev, HFA384X_RID_LONGRETRYLIMIT, &longretry,
1447                                  2, 1) < 0 ||
1448             local->func->get_rid(dev, HFA384X_RID_MAXTRANSMITLIFETIME,
1449                                  &lifetime, 2, 1) < 0)
1450                 return -EINVAL;
1451
1452         le16_to_cpus(&shortretry);
1453         le16_to_cpus(&longretry);
1454         le16_to_cpus(&lifetime);
1455
1456         rrq->disabled = 0;
1457
1458         if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
1459                 rrq->flags = IW_RETRY_LIFETIME;
1460                 rrq->value = lifetime * 1024;
1461         } else {
1462                 if (local->manual_retry_count >= 0) {
1463                         rrq->flags = IW_RETRY_LIMIT;
1464                         if (local->func->get_rid(dev,
1465                                                  HFA384X_RID_CNFALTRETRYCOUNT,
1466                                                  &altretry, 2, 1) >= 0)
1467                                 rrq->value = le16_to_cpu(altretry);
1468                         else
1469                                 rrq->value = local->manual_retry_count;
1470                 } else if ((rrq->flags & IW_RETRY_MAX)) {
1471                         rrq->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
1472                         rrq->value = longretry;
1473                 } else {
1474                         rrq->flags = IW_RETRY_LIMIT;
1475                         rrq->value = shortretry;
1476                         if (shortretry != longretry)
1477                                 rrq->flags |= IW_RETRY_MIN;
1478                 }
1479         }
1480         return 0;
1481 }
1482
1483
1484 /* Note! This TX power controlling is experimental and should not be used in
1485  * production use. It just sets raw power register and does not use any kind of
1486  * feedback information from the measured TX power (CR58). This is now
1487  * commented out to make sure that it is not used by accident. TX power
1488  * configuration will be enabled again after proper algorithm using feedback
1489  * has been implemented. */
1490
1491 #ifdef RAW_TXPOWER_SETTING
1492 /* Map HFA386x's CR31 to and from dBm with some sort of ad hoc mapping..
1493  * This version assumes following mapping:
1494  * CR31 is 7-bit value with -64 to +63 range.
1495  * -64 is mapped into +20dBm and +63 into -43dBm.
1496  * This is certainly not an exact mapping for every card, but at least
1497  * increasing dBm value should correspond to increasing TX power.
1498  */
1499
1500 static int prism2_txpower_hfa386x_to_dBm(u16 val)
1501 {
1502         signed char tmp;
1503
1504         if (val > 255)
1505                 val = 255;
1506
1507         tmp = val;
1508         tmp >>= 2;
1509
1510         return -12 - tmp;
1511 }
1512
1513 static u16 prism2_txpower_dBm_to_hfa386x(int val)
1514 {
1515         signed char tmp;
1516
1517         if (val > 20)
1518                 return 128;
1519         else if (val < -43)
1520                 return 127;
1521
1522         tmp = val;
1523         tmp = -12 - tmp;
1524         tmp <<= 2;
1525
1526         return (unsigned char) tmp;
1527 }
1528 #endif /* RAW_TXPOWER_SETTING */
1529
1530
1531 static int prism2_ioctl_siwtxpow(struct net_device *dev,
1532                                  struct iw_request_info *info,
1533                                  struct iw_param *rrq, char *extra)
1534 {
1535         struct hostap_interface *iface;
1536         local_info_t *local;
1537 #ifdef RAW_TXPOWER_SETTING
1538         char *tmp;
1539 #endif
1540         u16 val;
1541         int ret = 0;
1542
1543         iface = netdev_priv(dev);
1544         local = iface->local;
1545
1546         if (rrq->disabled) {
1547                 if (local->txpower_type != PRISM2_TXPOWER_OFF) {
1548                         val = 0xff; /* use all standby and sleep modes */
1549                         ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1550                                                HFA386X_CR_A_D_TEST_MODES2,
1551                                                &val, NULL);
1552                         printk(KERN_DEBUG "%s: Turning radio off: %s\n",
1553                                dev->name, ret ? "failed" : "OK");
1554                         local->txpower_type = PRISM2_TXPOWER_OFF;
1555                 }
1556                 return (ret ? -EOPNOTSUPP : 0);
1557         }
1558
1559         if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1560                 val = 0; /* disable all standby and sleep modes */
1561                 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1562                                        HFA386X_CR_A_D_TEST_MODES2, &val, NULL);
1563                 printk(KERN_DEBUG "%s: Turning radio on: %s\n",
1564                        dev->name, ret ? "failed" : "OK");
1565                 local->txpower_type = PRISM2_TXPOWER_UNKNOWN;
1566         }
1567
1568 #ifdef RAW_TXPOWER_SETTING
1569         if (!rrq->fixed && local->txpower_type != PRISM2_TXPOWER_AUTO) {
1570                 printk(KERN_DEBUG "Setting ALC on\n");
1571                 val = HFA384X_TEST_CFG_BIT_ALC;
1572                 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1573                                  (HFA384X_TEST_CFG_BITS << 8), 1, &val, NULL);
1574                 local->txpower_type = PRISM2_TXPOWER_AUTO;
1575                 return 0;
1576         }
1577
1578         if (local->txpower_type != PRISM2_TXPOWER_FIXED) {
1579                 printk(KERN_DEBUG "Setting ALC off\n");
1580                 val = HFA384X_TEST_CFG_BIT_ALC;
1581                 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1582                                  (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
1583                         local->txpower_type = PRISM2_TXPOWER_FIXED;
1584         }
1585
1586         if (rrq->flags == IW_TXPOW_DBM)
1587                 tmp = "dBm";
1588         else if (rrq->flags == IW_TXPOW_MWATT)
1589                 tmp = "mW";
1590         else
1591                 tmp = "UNKNOWN";
1592         printk(KERN_DEBUG "Setting TX power to %d %s\n", rrq->value, tmp);
1593
1594         if (rrq->flags != IW_TXPOW_DBM) {
1595                 printk("SIOCSIWTXPOW with mW is not supported; use dBm\n");
1596                 return -EOPNOTSUPP;
1597         }
1598
1599         local->txpower = rrq->value;
1600         val = prism2_txpower_dBm_to_hfa386x(local->txpower);
1601         if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1602                              HFA386X_CR_MANUAL_TX_POWER, &val, NULL))
1603                 ret = -EOPNOTSUPP;
1604 #else /* RAW_TXPOWER_SETTING */
1605         if (rrq->fixed)
1606                 ret = -EOPNOTSUPP;
1607 #endif /* RAW_TXPOWER_SETTING */
1608
1609         return ret;
1610 }
1611
1612 static int prism2_ioctl_giwtxpow(struct net_device *dev,
1613                                  struct iw_request_info *info,
1614                                  struct iw_param *rrq, char *extra)
1615 {
1616 #ifdef RAW_TXPOWER_SETTING
1617         struct hostap_interface *iface;
1618         local_info_t *local;
1619         u16 resp0;
1620
1621         iface = netdev_priv(dev);
1622         local = iface->local;
1623
1624         rrq->flags = IW_TXPOW_DBM;
1625         rrq->disabled = 0;
1626         rrq->fixed = 0;
1627
1628         if (local->txpower_type == PRISM2_TXPOWER_AUTO) {
1629                 if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF,
1630                                      HFA386X_CR_MANUAL_TX_POWER,
1631                                      NULL, &resp0) == 0) {
1632                         rrq->value = prism2_txpower_hfa386x_to_dBm(resp0);
1633                 } else {
1634                         /* Could not get real txpower; guess 15 dBm */
1635                         rrq->value = 15;
1636                 }
1637         } else if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1638                 rrq->value = 0;
1639                 rrq->disabled = 1;
1640         } else if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
1641                 rrq->value = local->txpower;
1642                 rrq->fixed = 1;
1643         } else {
1644                 printk("SIOCGIWTXPOW - unknown txpower_type=%d\n",
1645                        local->txpower_type);
1646         }
1647         return 0;
1648 #else /* RAW_TXPOWER_SETTING */
1649         return -EOPNOTSUPP;
1650 #endif /* RAW_TXPOWER_SETTING */
1651 }
1652
1653
1654 #ifndef PRISM2_NO_STATION_MODES
1655
1656 /* HostScan request works with and without host_roaming mode. In addition, it
1657  * does not break current association. However, it requires newer station
1658  * firmware version (>= 1.3.1) than scan request. */
1659 static int prism2_request_hostscan(struct net_device *dev,
1660                                    u8 *ssid, u8 ssid_len)
1661 {
1662         struct hostap_interface *iface;
1663         local_info_t *local;
1664         struct hfa384x_hostscan_request scan_req;
1665
1666         iface = netdev_priv(dev);
1667         local = iface->local;
1668
1669         memset(&scan_req, 0, sizeof(scan_req));
1670         scan_req.channel_list = cpu_to_le16(local->channel_mask &
1671                                             local->scan_channel_mask);
1672         scan_req.txrate = __constant_cpu_to_le16(HFA384X_RATES_1MBPS);
1673         if (ssid) {
1674                 if (ssid_len > 32)
1675                         return -EINVAL;
1676                 scan_req.target_ssid_len = cpu_to_le16(ssid_len);
1677                 memcpy(scan_req.target_ssid, ssid, ssid_len);
1678         }
1679
1680         if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
1681                                  sizeof(scan_req))) {
1682                 printk(KERN_DEBUG "%s: HOSTSCAN failed\n", dev->name);
1683                 return -EINVAL;
1684         }
1685         return 0;
1686 }
1687
1688
1689 static int prism2_request_scan(struct net_device *dev)
1690 {
1691         struct hostap_interface *iface;
1692         local_info_t *local;
1693         struct hfa384x_scan_request scan_req;
1694         int ret = 0;
1695
1696         iface = netdev_priv(dev);
1697         local = iface->local;
1698
1699         memset(&scan_req, 0, sizeof(scan_req));
1700         scan_req.channel_list = cpu_to_le16(local->channel_mask &
1701                                             local->scan_channel_mask);
1702         scan_req.txrate = __constant_cpu_to_le16(HFA384X_RATES_1MBPS);
1703
1704         /* FIX:
1705          * It seems to be enough to set roaming mode for a short moment to
1706          * host-based and then setup scanrequest data and return the mode to
1707          * firmware-based.
1708          *
1709          * Master mode would need to drop to Managed mode for a short while
1710          * to make scanning work.. Or sweep through the different channels and
1711          * use passive scan based on beacons. */
1712
1713         if (!local->host_roaming)
1714                 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1715                                 HFA384X_ROAMING_HOST);
1716
1717         if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, &scan_req,
1718                                  sizeof(scan_req))) {
1719                 printk(KERN_DEBUG "SCANREQUEST failed\n");
1720                 ret = -EINVAL;
1721         }
1722
1723         if (!local->host_roaming)
1724                 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1725                                 HFA384X_ROAMING_FIRMWARE);
1726
1727         return 0;
1728 }
1729
1730 #else /* !PRISM2_NO_STATION_MODES */
1731
1732 static inline int prism2_request_hostscan(struct net_device *dev,
1733                                           u8 *ssid, u8 ssid_len)
1734 {
1735         return -EOPNOTSUPP;
1736 }
1737
1738
1739 static inline int prism2_request_scan(struct net_device *dev)
1740 {
1741         return -EOPNOTSUPP;
1742 }
1743
1744 #endif /* !PRISM2_NO_STATION_MODES */
1745
1746
1747 static int prism2_ioctl_siwscan(struct net_device *dev,
1748                                 struct iw_request_info *info,
1749                                 struct iw_point *data, char *extra)
1750 {
1751         struct hostap_interface *iface;
1752         local_info_t *local;
1753         int ret;
1754         u8 *ssid = NULL, ssid_len = 0;
1755         struct iw_scan_req *req = (struct iw_scan_req *) extra;
1756
1757         iface = netdev_priv(dev);
1758         local = iface->local;
1759
1760         if (data->length < sizeof(struct iw_scan_req))
1761                 req = NULL;
1762
1763         if (local->iw_mode == IW_MODE_MASTER) {
1764                 /* In master mode, we just return the results of our local
1765                  * tables, so we don't need to start anything...
1766                  * Jean II */
1767                 data->length = 0;
1768                 return 0;
1769         }
1770
1771         if (!local->dev_enabled)
1772                 return -ENETDOWN;
1773
1774         if (req && data->flags & IW_SCAN_THIS_ESSID) {
1775                 ssid = req->essid;
1776                 ssid_len = req->essid_len;
1777
1778                 if (ssid_len &&
1779                     ((local->iw_mode != IW_MODE_INFRA &&
1780                       local->iw_mode != IW_MODE_ADHOC) ||
1781                      (local->sta_fw_ver < PRISM2_FW_VER(1,3,1))))
1782                         return -EOPNOTSUPP;
1783         }
1784
1785         if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1786                 ret = prism2_request_hostscan(dev, ssid, ssid_len);
1787         else
1788                 ret = prism2_request_scan(dev);
1789
1790         if (ret == 0)
1791                 local->scan_timestamp = jiffies;
1792
1793         /* Could inquire F101, F103 or wait for SIOCGIWSCAN and read RID */
1794
1795         return ret;
1796 }
1797
1798
1799 #ifndef PRISM2_NO_STATION_MODES
1800 static char * __prism2_translate_scan(local_info_t *local,
1801                                       struct hfa384x_hostscan_result *scan,
1802                                       struct hostap_bss_info *bss,
1803                                       char *current_ev, char *end_buf)
1804 {
1805         int i, chan;
1806         struct iw_event iwe;
1807         char *current_val;
1808         u16 capabilities;
1809         u8 *pos;
1810         u8 *ssid, *bssid;
1811         size_t ssid_len;
1812         char *buf;
1813
1814         if (bss) {
1815                 ssid = bss->ssid;
1816                 ssid_len = bss->ssid_len;
1817                 bssid = bss->bssid;
1818         } else {
1819                 ssid = scan->ssid;
1820                 ssid_len = le16_to_cpu(scan->ssid_len);
1821                 bssid = scan->bssid;
1822         }
1823         if (ssid_len > 32)
1824                 ssid_len = 32;
1825
1826         /* First entry *MUST* be the AP MAC address */
1827         memset(&iwe, 0, sizeof(iwe));
1828         iwe.cmd = SIOCGIWAP;
1829         iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1830         memcpy(iwe.u.ap_addr.sa_data, bssid, ETH_ALEN);
1831         /* FIX:
1832          * I do not know how this is possible, but iwe_stream_add_event
1833          * seems to re-order memcpy execution so that len is set only
1834          * after copying.. Pre-setting len here "fixes" this, but real
1835          * problems should be solved (after which these iwe.len
1836          * settings could be removed from this function). */
1837         iwe.len = IW_EV_ADDR_LEN;
1838         current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
1839                                           IW_EV_ADDR_LEN);
1840
1841         /* Other entries will be displayed in the order we give them */
1842
1843         memset(&iwe, 0, sizeof(iwe));
1844         iwe.cmd = SIOCGIWESSID;
1845         iwe.u.data.length = ssid_len;
1846         iwe.u.data.flags = 1;
1847         iwe.len = IW_EV_POINT_LEN + iwe.u.data.length;
1848         current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, ssid);
1849
1850         memset(&iwe, 0, sizeof(iwe));
1851         iwe.cmd = SIOCGIWMODE;
1852         if (bss) {
1853                 capabilities = bss->capab_info;
1854         } else {
1855                 capabilities = le16_to_cpu(scan->capability);
1856         }
1857         if (capabilities & (WLAN_CAPABILITY_ESS |
1858                             WLAN_CAPABILITY_IBSS)) {
1859                 if (capabilities & WLAN_CAPABILITY_ESS)
1860                         iwe.u.mode = IW_MODE_MASTER;
1861                 else
1862                         iwe.u.mode = IW_MODE_ADHOC;
1863                 iwe.len = IW_EV_UINT_LEN;
1864                 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
1865                                                   IW_EV_UINT_LEN);
1866         }
1867
1868         memset(&iwe, 0, sizeof(iwe));
1869         iwe.cmd = SIOCGIWFREQ;
1870         if (scan) {
1871                 chan = scan->chid;
1872         } else if (bss) {
1873                 chan = bss->chan;
1874         } else {
1875                 chan = 0;
1876         }
1877
1878         if (chan > 0) {
1879                 iwe.u.freq.m = freq_list[le16_to_cpu(chan - 1)] * 100000;
1880                 iwe.u.freq.e = 1;
1881                 iwe.len = IW_EV_FREQ_LEN;
1882                 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
1883                                                   IW_EV_FREQ_LEN);
1884         }
1885
1886         if (scan) {
1887                 memset(&iwe, 0, sizeof(iwe));
1888                 iwe.cmd = IWEVQUAL;
1889                 if (local->last_scan_type == PRISM2_HOSTSCAN) {
1890                         iwe.u.qual.level = le16_to_cpu(scan->sl);
1891                         iwe.u.qual.noise = le16_to_cpu(scan->anl);
1892                 } else {
1893                         iwe.u.qual.level =
1894                                 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->sl));
1895                         iwe.u.qual.noise =
1896                                 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl));
1897                 }
1898                 iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED
1899                         | IW_QUAL_NOISE_UPDATED
1900                         | IW_QUAL_QUAL_INVALID
1901                         | IW_QUAL_DBM;
1902                 iwe.len = IW_EV_QUAL_LEN;
1903                 current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
1904                                                   IW_EV_QUAL_LEN);
1905         }
1906
1907         memset(&iwe, 0, sizeof(iwe));
1908         iwe.cmd = SIOCGIWENCODE;
1909         if (capabilities & WLAN_CAPABILITY_PRIVACY)
1910                 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
1911         else
1912                 iwe.u.data.flags = IW_ENCODE_DISABLED;
1913         iwe.u.data.length = 0;
1914         iwe.len = IW_EV_POINT_LEN + iwe.u.data.length;
1915         current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, "");
1916
1917         /* TODO: add SuppRates into BSS table */
1918         if (scan) {
1919                 memset(&iwe, 0, sizeof(iwe));
1920                 iwe.cmd = SIOCGIWRATE;
1921                 current_val = current_ev + IW_EV_LCP_LEN;
1922                 pos = scan->sup_rates;
1923                 for (i = 0; i < sizeof(scan->sup_rates); i++) {
1924                         if (pos[i] == 0)
1925                                 break;
1926                         /* Bit rate given in 500 kb/s units (+ 0x80) */
1927                         iwe.u.bitrate.value = ((pos[i] & 0x7f) * 500000);
1928                         current_val = iwe_stream_add_value(
1929                                 current_ev, current_val, end_buf, &iwe,
1930                                 IW_EV_PARAM_LEN);
1931                 }
1932                 /* Check if we added any event */
1933                 if ((current_val - current_ev) > IW_EV_LCP_LEN)
1934                         current_ev = current_val;
1935         }
1936
1937         /* TODO: add BeaconInt,resp_rate,atim into BSS table */
1938         buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_ATOMIC);
1939         if (buf && scan) {
1940                 memset(&iwe, 0, sizeof(iwe));
1941                 iwe.cmd = IWEVCUSTOM;
1942                 sprintf(buf, "bcn_int=%d", le16_to_cpu(scan->beacon_interval));
1943                 iwe.u.data.length = strlen(buf);
1944                 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
1945                                                   buf);
1946
1947                 memset(&iwe, 0, sizeof(iwe));
1948                 iwe.cmd = IWEVCUSTOM;
1949                 sprintf(buf, "resp_rate=%d", le16_to_cpu(scan->rate));
1950                 iwe.u.data.length = strlen(buf);
1951                 current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
1952                                                   buf);
1953
1954                 if (local->last_scan_type == PRISM2_HOSTSCAN &&
1955                     (capabilities & WLAN_CAPABILITY_IBSS)) {
1956                         memset(&iwe, 0, sizeof(iwe));
1957                         iwe.cmd = IWEVCUSTOM;
1958                         sprintf(buf, "atim=%d", le16_to_cpu(scan->atim));
1959                         iwe.u.data.length = strlen(buf);
1960                         current_ev = iwe_stream_add_point(current_ev, end_buf,
1961                                                           &iwe, buf);
1962                 }
1963         }
1964         kfree(buf);
1965
1966         if (bss && bss->wpa_ie_len > 0 && bss->wpa_ie_len <= MAX_WPA_IE_LEN) {
1967                 memset(&iwe, 0, sizeof(iwe));
1968                 iwe.cmd = IWEVGENIE;
1969                 iwe.u.data.length = bss->wpa_ie_len;
1970                 current_ev = iwe_stream_add_point(
1971                         current_ev, end_buf, &iwe, bss->wpa_ie);
1972         }
1973
1974         if (bss && bss->rsn_ie_len > 0 && bss->rsn_ie_len <= MAX_WPA_IE_LEN) {
1975                 memset(&iwe, 0, sizeof(iwe));
1976                 iwe.cmd = IWEVGENIE;
1977                 iwe.u.data.length = bss->rsn_ie_len;
1978                 current_ev = iwe_stream_add_point(
1979                         current_ev, end_buf, &iwe, bss->rsn_ie);
1980         }
1981
1982         return current_ev;
1983 }
1984
1985
1986 /* Translate scan data returned from the card to a card independant
1987  * format that the Wireless Tools will understand - Jean II */
1988 static inline int prism2_translate_scan(local_info_t *local,
1989                                         char *buffer, int buflen)
1990 {
1991         struct hfa384x_hostscan_result *scan;
1992         int entry, hostscan;
1993         char *current_ev = buffer;
1994         char *end_buf = buffer + buflen;
1995         struct list_head *ptr;
1996
1997         spin_lock_bh(&local->lock);
1998
1999         list_for_each(ptr, &local->bss_list) {
2000                 struct hostap_bss_info *bss;
2001                 bss = list_entry(ptr, struct hostap_bss_info, list);
2002                 bss->included = 0;
2003         }
2004
2005         hostscan = local->last_scan_type == PRISM2_HOSTSCAN;
2006         for (entry = 0; entry < local->last_scan_results_count; entry++) {
2007                 int found = 0;
2008                 scan = &local->last_scan_results[entry];
2009
2010                 /* Report every SSID if the AP is using multiple SSIDs. If no
2011                  * BSS record is found (e.g., when WPA mode is disabled),
2012                  * report the AP once. */
2013                 list_for_each(ptr, &local->bss_list) {
2014                         struct hostap_bss_info *bss;
2015                         bss = list_entry(ptr, struct hostap_bss_info, list);
2016                         if (memcmp(bss->bssid, scan->bssid, ETH_ALEN) == 0) {
2017                                 bss->included = 1;
2018                                 current_ev = __prism2_translate_scan(
2019                                         local, scan, bss, current_ev, end_buf);
2020                                 found++;
2021                         }
2022                 }
2023                 if (!found) {
2024                         current_ev = __prism2_translate_scan(
2025                                 local, scan, NULL, current_ev, end_buf);
2026                 }
2027                 /* Check if there is space for one more entry */
2028                 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2029                         /* Ask user space to try again with a bigger buffer */
2030                         spin_unlock_bh(&local->lock);
2031                         return -E2BIG;
2032                 }
2033         }
2034
2035         /* Prism2 firmware has limits (32 at least in some versions) for number
2036          * of BSSes in scan results. Extend this limit by using local BSS list.
2037          */
2038         list_for_each(ptr, &local->bss_list) {
2039                 struct hostap_bss_info *bss;
2040                 bss = list_entry(ptr, struct hostap_bss_info, list);
2041                 if (bss->included)
2042                         continue;
2043                 current_ev = __prism2_translate_scan(local, NULL, bss,
2044                                                      current_ev, end_buf);
2045                 /* Check if there is space for one more entry */
2046                 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2047                         /* Ask user space to try again with a bigger buffer */
2048                         spin_unlock_bh(&local->lock);
2049                         return -E2BIG;
2050                 }
2051         }
2052
2053         spin_unlock_bh(&local->lock);
2054
2055         return current_ev - buffer;
2056 }
2057 #endif /* PRISM2_NO_STATION_MODES */
2058
2059
2060 static inline int prism2_ioctl_giwscan_sta(struct net_device *dev,
2061                                            struct iw_request_info *info,
2062                                            struct iw_point *data, char *extra)
2063 {
2064 #ifdef PRISM2_NO_STATION_MODES
2065         return -EOPNOTSUPP;
2066 #else /* PRISM2_NO_STATION_MODES */
2067         struct hostap_interface *iface;
2068         local_info_t *local;
2069         int res;
2070
2071         iface = netdev_priv(dev);
2072         local = iface->local;
2073
2074         /* Wait until the scan is finished. We can probably do better
2075          * than that - Jean II */
2076         if (local->scan_timestamp &&
2077             time_before(jiffies, local->scan_timestamp + 3 * HZ)) {
2078                 /* Important note : we don't want to block the caller
2079                  * until results are ready for various reasons.
2080                  * First, managing wait queues is complex and racy
2081                  * (there may be multiple simultaneous callers).
2082                  * Second, we grab some rtnetlink lock before comming
2083                  * here (in dev_ioctl()).
2084                  * Third, the caller can wait on the Wireless Event
2085                  * - Jean II */
2086                 return -EAGAIN;
2087         }
2088         local->scan_timestamp = 0;
2089
2090         res = prism2_translate_scan(local, extra, data->length);
2091
2092         if (res >= 0) {
2093                 data->length = res;
2094                 return 0;
2095         } else {
2096                 data->length = 0;
2097                 return res;
2098         }
2099 #endif /* PRISM2_NO_STATION_MODES */
2100 }
2101
2102
2103 static int prism2_ioctl_giwscan(struct net_device *dev,
2104                                 struct iw_request_info *info,
2105                                 struct iw_point *data, char *extra)
2106 {
2107         struct hostap_interface *iface;
2108         local_info_t *local;
2109         int res;
2110
2111         iface = netdev_priv(dev);
2112         local = iface->local;
2113
2114         if (local->iw_mode == IW_MODE_MASTER) {
2115                 /* In MASTER mode, it doesn't make sense to go around
2116                  * scanning the frequencies and make the stations we serve
2117                  * wait when what the user is really interested about is the
2118                  * list of stations and access points we are talking to.
2119                  * So, just extract results from our cache...
2120                  * Jean II */
2121
2122                 /* Translate to WE format */
2123                 res = prism2_ap_translate_scan(dev, extra);
2124                 if (res >= 0) {
2125                         printk(KERN_DEBUG "Scan result translation succeeded "
2126                                "(length=%d)\n", res);
2127                         data->length = res;
2128                         return 0;
2129                 } else {
2130                         printk(KERN_DEBUG
2131                                "Scan result translation failed (res=%d)\n",
2132                                res);
2133                         data->length = 0;
2134                         return res;
2135                 }
2136         } else {
2137                 /* Station mode */
2138                 return prism2_ioctl_giwscan_sta(dev, info, data, extra);
2139         }
2140 }
2141
2142
2143 static const struct iw_priv_args prism2_priv[] = {
2144         { PRISM2_IOCTL_MONITOR,
2145           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor" },
2146         { PRISM2_IOCTL_READMIF,
2147           IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
2148           IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "readmif" },
2149         { PRISM2_IOCTL_WRITEMIF,
2150           IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 2, 0, "writemif" },
2151         { PRISM2_IOCTL_RESET,
2152           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "reset" },
2153         { PRISM2_IOCTL_INQUIRE,
2154           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inquire" },
2155         { PRISM2_IOCTL_SET_RID_WORD,
2156           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_rid_word" },
2157         { PRISM2_IOCTL_MACCMD,
2158           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maccmd" },
2159         { PRISM2_IOCTL_WDS_ADD,
2160           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_add" },
2161         { PRISM2_IOCTL_WDS_DEL,
2162           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_del" },
2163         { PRISM2_IOCTL_ADDMAC,
2164           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "addmac" },
2165         { PRISM2_IOCTL_DELMAC,
2166           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "delmac" },
2167         { PRISM2_IOCTL_KICKMAC,
2168           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac" },
2169         /* --- raw access to sub-ioctls --- */
2170         { PRISM2_IOCTL_PRISM2_PARAM,
2171           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "prism2_param" },
2172         { PRISM2_IOCTL_GET_PRISM2_PARAM,
2173           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2174           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprism2_param" },
2175         /* --- sub-ioctls handlers --- */
2176         { PRISM2_IOCTL_PRISM2_PARAM,
2177           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "" },
2178         { PRISM2_IOCTL_GET_PRISM2_PARAM,
2179           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "" },
2180         /* --- sub-ioctls definitions --- */
2181         { PRISM2_PARAM_TXRATECTRL,
2182           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txratectrl" },
2183         { PRISM2_PARAM_TXRATECTRL,
2184           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettxratectrl" },
2185         { PRISM2_PARAM_BEACON_INT,
2186           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "beacon_int" },
2187         { PRISM2_PARAM_BEACON_INT,
2188           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbeacon_int" },
2189 #ifndef PRISM2_NO_STATION_MODES
2190         { PRISM2_PARAM_PSEUDO_IBSS,
2191           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pseudo_ibss" },
2192         { PRISM2_PARAM_PSEUDO_IBSS,
2193           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getpseudo_ibss" },
2194 #endif /* PRISM2_NO_STATION_MODES */
2195         { PRISM2_PARAM_ALC,
2196           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "alc" },
2197         { PRISM2_PARAM_ALC,
2198           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getalc" },
2199         { PRISM2_PARAM_DUMP,
2200           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dump" },
2201         { PRISM2_PARAM_DUMP,
2202           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdump" },
2203         { PRISM2_PARAM_OTHER_AP_POLICY,
2204           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "other_ap_policy" },
2205         { PRISM2_PARAM_OTHER_AP_POLICY,
2206           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getother_ap_pol" },
2207         { PRISM2_PARAM_AP_MAX_INACTIVITY,
2208           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_inactivity" },
2209         { PRISM2_PARAM_AP_MAX_INACTIVITY,
2210           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_inactivi" },
2211         { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2212           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bridge_packets" },
2213         { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2214           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbridge_packe" },
2215         { PRISM2_PARAM_DTIM_PERIOD,
2216           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dtim_period" },
2217         { PRISM2_PARAM_DTIM_PERIOD,
2218           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdtim_period" },
2219         { PRISM2_PARAM_AP_NULLFUNC_ACK,
2220           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "nullfunc_ack" },
2221         { PRISM2_PARAM_AP_NULLFUNC_ACK,
2222           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getnullfunc_ack" },
2223         { PRISM2_PARAM_MAX_WDS,
2224           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_wds" },
2225         { PRISM2_PARAM_MAX_WDS,
2226           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_wds" },
2227         { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2228           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "autom_ap_wds" },
2229         { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2230           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getautom_ap_wds" },
2231         { PRISM2_PARAM_AP_AUTH_ALGS,
2232           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_auth_algs" },
2233         { PRISM2_PARAM_AP_AUTH_ALGS,
2234           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_auth_algs" },
2235         { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2236           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "allow_fcserr" },
2237         { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2238           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getallow_fcserr" },
2239         { PRISM2_PARAM_HOST_ENCRYPT,
2240           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_encrypt" },
2241         { PRISM2_PARAM_HOST_ENCRYPT,
2242           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_encrypt" },
2243         { PRISM2_PARAM_HOST_DECRYPT,
2244           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_decrypt" },
2245         { PRISM2_PARAM_HOST_DECRYPT,
2246           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_decrypt" },
2247 #ifndef PRISM2_NO_STATION_MODES
2248         { PRISM2_PARAM_HOST_ROAMING,
2249           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_roaming" },
2250         { PRISM2_PARAM_HOST_ROAMING,
2251           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_roaming" },
2252 #endif /* PRISM2_NO_STATION_MODES */
2253         { PRISM2_PARAM_BCRX_STA_KEY,
2254           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bcrx_sta_key" },
2255         { PRISM2_PARAM_BCRX_STA_KEY,
2256           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbcrx_sta_key" },
2257         { PRISM2_PARAM_IEEE_802_1X,
2258           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ieee_802_1x" },
2259         { PRISM2_PARAM_IEEE_802_1X,
2260           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getieee_802_1x" },
2261         { PRISM2_PARAM_ANTSEL_TX,
2262           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_tx" },
2263         { PRISM2_PARAM_ANTSEL_TX,
2264           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_tx" },
2265         { PRISM2_PARAM_ANTSEL_RX,
2266           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_rx" },
2267         { PRISM2_PARAM_ANTSEL_RX,
2268           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_rx" },
2269         { PRISM2_PARAM_MONITOR_TYPE,
2270           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor_type" },
2271         { PRISM2_PARAM_MONITOR_TYPE,
2272           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmonitor_type" },
2273         { PRISM2_PARAM_WDS_TYPE,
2274           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wds_type" },
2275         { PRISM2_PARAM_WDS_TYPE,
2276           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwds_type" },
2277         { PRISM2_PARAM_HOSTSCAN,
2278           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostscan" },
2279         { PRISM2_PARAM_HOSTSCAN,
2280           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostscan" },
2281         { PRISM2_PARAM_AP_SCAN,
2282           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_scan" },
2283         { PRISM2_PARAM_AP_SCAN,
2284           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_scan" },
2285         { PRISM2_PARAM_ENH_SEC,
2286           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "enh_sec" },
2287         { PRISM2_PARAM_ENH_SEC,
2288           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getenh_sec" },
2289 #ifdef PRISM2_IO_DEBUG
2290         { PRISM2_PARAM_IO_DEBUG,
2291           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "io_debug" },
2292         { PRISM2_PARAM_IO_DEBUG,
2293           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getio_debug" },
2294 #endif /* PRISM2_IO_DEBUG */
2295         { PRISM2_PARAM_BASIC_RATES,
2296           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "basic_rates" },
2297         { PRISM2_PARAM_BASIC_RATES,
2298           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbasic_rates" },
2299         { PRISM2_PARAM_OPER_RATES,
2300           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "oper_rates" },
2301         { PRISM2_PARAM_OPER_RATES,
2302           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getoper_rates" },
2303         { PRISM2_PARAM_HOSTAPD,
2304           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd" },
2305         { PRISM2_PARAM_HOSTAPD,
2306           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd" },
2307         { PRISM2_PARAM_HOSTAPD_STA,
2308           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd_sta" },
2309         { PRISM2_PARAM_HOSTAPD_STA,
2310           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd_sta" },
2311         { PRISM2_PARAM_WPA,
2312           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wpa" },
2313         { PRISM2_PARAM_WPA,
2314           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwpa" },
2315         { PRISM2_PARAM_PRIVACY_INVOKED,
2316           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "privacy_invoked" },
2317         { PRISM2_PARAM_PRIVACY_INVOKED,
2318           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprivacy_invo" },
2319         { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2320           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "tkip_countermea" },
2321         { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2322           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettkip_counter" },
2323         { PRISM2_PARAM_DROP_UNENCRYPTED,
2324           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "drop_unencrypte" },
2325         { PRISM2_PARAM_DROP_UNENCRYPTED,
2326           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdrop_unencry" },
2327         { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2328           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "scan_channels" },
2329         { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2330           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getscan_channel" },
2331 };
2332
2333
2334 static int prism2_ioctl_priv_inquire(struct net_device *dev, int *i)
2335 {
2336         struct hostap_interface *iface;
2337         local_info_t *local;
2338
2339         iface = netdev_priv(dev);
2340         local = iface->local;
2341
2342         if (local->func->cmd(dev, HFA384X_CMDCODE_INQUIRE, *i, NULL, NULL))
2343                 return -EOPNOTSUPP;
2344
2345         return 0;
2346 }
2347
2348
2349 static int prism2_ioctl_priv_prism2_param(struct net_device *dev,
2350                                           struct iw_request_info *info,
2351                                           void *wrqu, char *extra)
2352 {
2353         struct hostap_interface *iface;
2354         local_info_t *local;
2355         int *i = (int *) extra;
2356         int param = *i;
2357         int value = *(i + 1);
2358         int ret = 0;
2359         u16 val;
2360
2361         iface = netdev_priv(dev);
2362         local = iface->local;
2363
2364         switch (param) {
2365         case PRISM2_PARAM_TXRATECTRL:
2366                 local->fw_tx_rate_control = value;
2367                 break;
2368
2369         case PRISM2_PARAM_BEACON_INT:
2370                 if (hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, value) ||
2371                     local->func->reset_port(dev))
2372                         ret = -EINVAL;
2373                 else
2374                         local->beacon_int = value;
2375                 break;
2376
2377 #ifndef PRISM2_NO_STATION_MODES
2378         case PRISM2_PARAM_PSEUDO_IBSS:
2379                 if (value == local->pseudo_adhoc)
2380                         break;
2381
2382                 if (value != 0 && value != 1) {
2383                         ret = -EINVAL;
2384                         break;
2385                 }
2386
2387                 printk(KERN_DEBUG "prism2: %s: pseudo IBSS change %d -> %d\n",
2388                        dev->name, local->pseudo_adhoc, value);
2389                 local->pseudo_adhoc = value;
2390                 if (local->iw_mode != IW_MODE_ADHOC)
2391                         break;
2392
2393                 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2394                                     hostap_get_porttype(local))) {
2395                         ret = -EOPNOTSUPP;
2396                         break;
2397                 }
2398
2399                 if (local->func->reset_port(dev))
2400                         ret = -EINVAL;
2401                 break;
2402 #endif /* PRISM2_NO_STATION_MODES */
2403
2404         case PRISM2_PARAM_ALC:
2405                 printk(KERN_DEBUG "%s: %s ALC\n", dev->name,
2406                        value == 0 ? "Disabling" : "Enabling");
2407                 val = HFA384X_TEST_CFG_BIT_ALC;
2408                 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
2409                                  (HFA384X_TEST_CFG_BITS << 8),
2410                                  value == 0 ? 0 : 1, &val, NULL);
2411                 break;
2412
2413         case PRISM2_PARAM_DUMP:
2414                 local->frame_dump = value;
2415                 break;
2416
2417         case PRISM2_PARAM_OTHER_AP_POLICY:
2418                 if (value < 0 || value > 3) {
2419                         ret = -EINVAL;
2420                         break;
2421                 }
2422                 if (local->ap != NULL)
2423                         local->ap->ap_policy = value;
2424                 break;
2425
2426         case PRISM2_PARAM_AP_MAX_INACTIVITY:
2427                 if (value < 0 || value > 7 * 24 * 60 * 60) {
2428                         ret = -EINVAL;
2429                         break;
2430                 }
2431                 if (local->ap != NULL)
2432                         local->ap->max_inactivity = value * HZ;
2433                 break;
2434
2435         case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2436                 if (local->ap != NULL)
2437                         local->ap->bridge_packets = value;
2438                 break;
2439
2440         case PRISM2_PARAM_DTIM_PERIOD:
2441                 if (value < 0 || value > 65535) {
2442                         ret = -EINVAL;
2443                         break;
2444                 }
2445                 if (hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, value)
2446                     || local->func->reset_port(dev))
2447                         ret = -EINVAL;
2448                 else
2449                         local->dtim_period = value;
2450                 break;
2451
2452         case PRISM2_PARAM_AP_NULLFUNC_ACK:
2453                 if (local->ap != NULL)
2454                         local->ap->nullfunc_ack = value;
2455                 break;
2456
2457         case PRISM2_PARAM_MAX_WDS:
2458                 local->wds_max_connections = value;
2459                 break;
2460
2461         case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2462                 if (local->ap != NULL) {
2463                         if (!local->ap->autom_ap_wds && value) {
2464                                 /* add WDS link to all APs in STA table */
2465                                 hostap_add_wds_links(local);
2466                         }
2467                         local->ap->autom_ap_wds = value;
2468                 }
2469                 break;
2470
2471         case PRISM2_PARAM_AP_AUTH_ALGS:
2472                 local->auth_algs = value;
2473                 if (hostap_set_auth_algs(local))
2474                         ret = -EINVAL;
2475                 break;
2476
2477         case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2478                 local->monitor_allow_fcserr = value;
2479                 break;
2480
2481         case PRISM2_PARAM_HOST_ENCRYPT:
2482                 local->host_encrypt = value;
2483                 if (hostap_set_encryption(local) ||
2484                     local->func->reset_port(dev))
2485                         ret = -EINVAL;
2486                 break;
2487
2488         case PRISM2_PARAM_HOST_DECRYPT:
2489                 local->host_decrypt = value;
2490                 if (hostap_set_encryption(local) ||
2491                     local->func->reset_port(dev))
2492                         ret = -EINVAL;
2493                 break;
2494
2495 #ifndef PRISM2_NO_STATION_MODES
2496         case PRISM2_PARAM_HOST_ROAMING:
2497                 if (value < 0 || value > 2) {
2498                         ret = -EINVAL;
2499                         break;
2500                 }
2501                 local->host_roaming = value;
2502                 if (hostap_set_roaming(local) || local->func->reset_port(dev))
2503                         ret = -EINVAL;
2504                 break;
2505 #endif /* PRISM2_NO_STATION_MODES */
2506
2507         case PRISM2_PARAM_BCRX_STA_KEY:
2508                 local->bcrx_sta_key = value;
2509                 break;
2510
2511         case PRISM2_PARAM_IEEE_802_1X:
2512                 local->ieee_802_1x = value;
2513                 break;
2514
2515         case PRISM2_PARAM_ANTSEL_TX:
2516                 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2517                         ret = -EINVAL;
2518                         break;
2519                 }
2520                 local->antsel_tx = value;
2521                 hostap_set_antsel(local);
2522                 break;
2523
2524         case PRISM2_PARAM_ANTSEL_RX:
2525                 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2526                         ret = -EINVAL;
2527                         break;
2528                 }
2529                 local->antsel_rx = value;
2530                 hostap_set_antsel(local);
2531                 break;
2532
2533         case PRISM2_PARAM_MONITOR_TYPE:
2534                 if (value != PRISM2_MONITOR_80211 &&
2535                     value != PRISM2_MONITOR_CAPHDR &&
2536                     value != PRISM2_MONITOR_PRISM) {
2537                         ret = -EINVAL;
2538                         break;
2539                 }
2540                 local->monitor_type = value;
2541                 if (local->iw_mode == IW_MODE_MONITOR)
2542                         hostap_monitor_set_type(local);
2543                 break;
2544
2545         case PRISM2_PARAM_WDS_TYPE:
2546                 local->wds_type = value;
2547                 break;
2548
2549         case PRISM2_PARAM_HOSTSCAN:
2550         {
2551                 struct hfa384x_hostscan_request scan_req;
2552                 u16 rate;
2553
2554                 memset(&scan_req, 0, sizeof(scan_req));
2555                 scan_req.channel_list = __constant_cpu_to_le16(0x3fff);
2556                 switch (value) {
2557                 case 1: rate = HFA384X_RATES_1MBPS; break;
2558                 case 2: rate = HFA384X_RATES_2MBPS; break;
2559                 case 3: rate = HFA384X_RATES_5MBPS; break;
2560                 case 4: rate = HFA384X_RATES_11MBPS; break;
2561                 default: rate = HFA384X_RATES_1MBPS; break;
2562                 }
2563                 scan_req.txrate = cpu_to_le16(rate);
2564                 /* leave SSID empty to accept all SSIDs */
2565
2566                 if (local->iw_mode == IW_MODE_MASTER) {
2567                         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2568                                             HFA384X_PORTTYPE_BSS) ||
2569                             local->func->reset_port(dev))
2570                                 printk(KERN_DEBUG "Leaving Host AP mode "
2571                                        "for HostScan failed\n");
2572                 }
2573
2574                 if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
2575                                          sizeof(scan_req))) {
2576                         printk(KERN_DEBUG "HOSTSCAN failed\n");
2577                         ret = -EINVAL;
2578                 }
2579                 if (local->iw_mode == IW_MODE_MASTER) {
2580                         wait_queue_t __wait;
2581                         init_waitqueue_entry(&__wait, current);
2582                         add_wait_queue(&local->hostscan_wq, &__wait);
2583                         set_current_state(TASK_INTERRUPTIBLE);
2584                         schedule_timeout(HZ);
2585                         if (signal_pending(current))
2586                                 ret = -EINTR;
2587                         set_current_state(TASK_RUNNING);
2588                         remove_wait_queue(&local->hostscan_wq, &__wait);
2589
2590                         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2591                                             HFA384X_PORTTYPE_HOSTAP) ||
2592                             local->func->reset_port(dev))
2593                                 printk(KERN_DEBUG "Returning to Host AP mode "
2594                                        "after HostScan failed\n");
2595                 }
2596                 break;
2597         }
2598
2599         case PRISM2_PARAM_AP_SCAN:
2600                 local->passive_scan_interval = value;
2601                 if (timer_pending(&local->passive_scan_timer))
2602                         del_timer(&local->passive_scan_timer);
2603                 if (value > 0) {
2604                         local->passive_scan_timer.expires = jiffies +
2605                                 local->passive_scan_interval * HZ;
2606                         add_timer(&local->passive_scan_timer);
2607                 }
2608                 break;
2609
2610         case PRISM2_PARAM_ENH_SEC:
2611                 if (value < 0 || value > 3) {
2612                         ret = -EINVAL;
2613                         break;
2614                 }
2615                 local->enh_sec = value;
2616                 if (hostap_set_word(dev, HFA384X_RID_CNFENHSECURITY,
2617                                     local->enh_sec) ||
2618                     local->func->reset_port(dev)) {
2619                         printk(KERN_INFO "%s: cnfEnhSecurity requires STA f/w "
2620                                "1.6.3 or newer\n", dev->name);
2621                         ret = -EOPNOTSUPP;
2622                 }
2623                 break;
2624
2625 #ifdef PRISM2_IO_DEBUG
2626         case PRISM2_PARAM_IO_DEBUG:
2627                 local->io_debug_enabled = value;
2628                 break;
2629 #endif /* PRISM2_IO_DEBUG */
2630
2631         case PRISM2_PARAM_BASIC_RATES:
2632                 if ((value & local->tx_rate_control) != value || value == 0) {
2633                         printk(KERN_INFO "%s: invalid basic rate set - basic "
2634                                "rates must be in supported rate set\n",
2635                                dev->name);
2636                         ret = -EINVAL;
2637                         break;
2638                 }
2639                 local->basic_rates = value;
2640                 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
2641                                     local->basic_rates) ||
2642                     local->func->reset_port(dev))
2643                         ret = -EINVAL;
2644                 break;
2645
2646         case PRISM2_PARAM_OPER_RATES:
2647                 local->tx_rate_control = value;
2648                 if (hostap_set_rate(dev))
2649                         ret = -EINVAL;
2650                 break;
2651
2652         case PRISM2_PARAM_HOSTAPD:
2653                 ret = hostap_set_hostapd(local, value, 1);
2654                 break;
2655
2656         case PRISM2_PARAM_HOSTAPD_STA:
2657                 ret = hostap_set_hostapd_sta(local, value, 1);
2658                 break;
2659
2660         case PRISM2_PARAM_WPA:
2661                 local->wpa = value;
2662                 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2663                         ret = -EOPNOTSUPP;
2664                 else if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
2665                                          value ? 1 : 0))
2666                         ret = -EINVAL;
2667                 break;
2668
2669         case PRISM2_PARAM_PRIVACY_INVOKED:
2670                 local->privacy_invoked = value;
2671                 if (hostap_set_encryption(local) ||
2672                     local->func->reset_port(dev))
2673                         ret = -EINVAL;
2674                 break;
2675
2676         case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2677                 local->tkip_countermeasures = value;
2678                 break;
2679
2680         case PRISM2_PARAM_DROP_UNENCRYPTED:
2681                 local->drop_unencrypted = value;
2682                 break;
2683
2684         case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2685                 local->scan_channel_mask = value;
2686                 break;
2687
2688         default:
2689                 printk(KERN_DEBUG "%s: prism2_param: unknown param %d\n",
2690                        dev->name, param);
2691                 ret = -EOPNOTSUPP;
2692                 break;
2693         }
2694
2695         return ret;
2696 }
2697
2698
2699 static int prism2_ioctl_priv_get_prism2_param(struct net_device *dev,
2700                                               struct iw_request_info *info,
2701                                               void *wrqu, char *extra)
2702 {
2703         struct hostap_interface *iface;
2704         local_info_t *local;
2705         int *param = (int *) extra;
2706         int ret = 0;
2707
2708         iface = netdev_priv(dev);
2709         local = iface->local;
2710
2711         switch (*param) {
2712         case PRISM2_PARAM_TXRATECTRL:
2713                 *param = local->fw_tx_rate_control;
2714                 break;
2715
2716         case PRISM2_PARAM_BEACON_INT:
2717                 *param = local->beacon_int;
2718                 break;
2719
2720         case PRISM2_PARAM_PSEUDO_IBSS:
2721                 *param = local->pseudo_adhoc;
2722                 break;
2723
2724         case PRISM2_PARAM_ALC:
2725                 ret = -EOPNOTSUPP; /* FIX */
2726                 break;
2727
2728         case PRISM2_PARAM_DUMP:
2729                 *param = local->frame_dump;
2730                 break;
2731
2732         case PRISM2_PARAM_OTHER_AP_POLICY:
2733                 if (local->ap != NULL)
2734                         *param = local->ap->ap_policy;
2735                 else
2736                         ret = -EOPNOTSUPP;
2737                 break;
2738
2739         case PRISM2_PARAM_AP_MAX_INACTIVITY:
2740                 if (local->ap != NULL)
2741                         *param = local->ap->max_inactivity / HZ;
2742                 else
2743                         ret = -EOPNOTSUPP;
2744                 break;
2745
2746         case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2747                 if (local->ap != NULL)
2748                         *param = local->ap->bridge_packets;
2749                 else
2750                         ret = -EOPNOTSUPP;
2751                 break;
2752
2753         case PRISM2_PARAM_DTIM_PERIOD:
2754                 *param = local->dtim_period;
2755                 break;
2756
2757         case PRISM2_PARAM_AP_NULLFUNC_ACK:
2758                 if (local->ap != NULL)
2759                         *param = local->ap->nullfunc_ack;
2760                 else
2761                         ret = -EOPNOTSUPP;
2762                 break;
2763
2764         case PRISM2_PARAM_MAX_WDS:
2765                 *param = local->wds_max_connections;
2766                 break;
2767
2768         case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2769                 if (local->ap != NULL)
2770                         *param = local->ap->autom_ap_wds;
2771                 else
2772                         ret = -EOPNOTSUPP;
2773                 break;
2774
2775         case PRISM2_PARAM_AP_AUTH_ALGS:
2776                 *param = local->auth_algs;
2777                 break;
2778
2779         case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2780                 *param = local->monitor_allow_fcserr;
2781                 break;
2782
2783         case PRISM2_PARAM_HOST_ENCRYPT:
2784                 *param = local->host_encrypt;
2785                 break;
2786
2787         case PRISM2_PARAM_HOST_DECRYPT:
2788                 *param = local->host_decrypt;
2789                 break;
2790
2791         case PRISM2_PARAM_HOST_ROAMING:
2792                 *param = local->host_roaming;
2793                 break;
2794
2795         case PRISM2_PARAM_BCRX_STA_KEY:
2796                 *param = local->bcrx_sta_key;
2797                 break;
2798
2799         case PRISM2_PARAM_IEEE_802_1X:
2800                 *param = local->ieee_802_1x;
2801                 break;
2802
2803         case PRISM2_PARAM_ANTSEL_TX:
2804                 *param = local->antsel_tx;
2805                 break;
2806
2807         case PRISM2_PARAM_ANTSEL_RX:
2808                 *param = local->antsel_rx;
2809                 break;
2810
2811         case PRISM2_PARAM_MONITOR_TYPE:
2812                 *param = local->monitor_type;
2813                 break;
2814
2815         case PRISM2_PARAM_WDS_TYPE:
2816                 *param = local->wds_type;
2817                 break;
2818
2819         case PRISM2_PARAM_HOSTSCAN:
2820                 ret = -EOPNOTSUPP;
2821                 break;
2822
2823         case PRISM2_PARAM_AP_SCAN:
2824                 *param = local->passive_scan_interval;
2825                 break;
2826
2827         case PRISM2_PARAM_ENH_SEC:
2828                 *param = local->enh_sec;
2829                 break;
2830
2831 #ifdef PRISM2_IO_DEBUG
2832         case PRISM2_PARAM_IO_DEBUG:
2833                 *param = local->io_debug_enabled;
2834                 break;
2835 #endif /* PRISM2_IO_DEBUG */
2836
2837         case PRISM2_PARAM_BASIC_RATES:
2838                 *param = local->basic_rates;
2839                 break;
2840
2841         case PRISM2_PARAM_OPER_RATES:
2842                 *param = local->tx_rate_control;
2843                 break;
2844
2845         case PRISM2_PARAM_HOSTAPD:
2846                 *param = local->hostapd;
2847                 break;
2848
2849         case PRISM2_PARAM_HOSTAPD_STA:
2850                 *param = local->hostapd_sta;
2851                 break;
2852
2853         case PRISM2_PARAM_WPA:
2854                 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2855                         ret = -EOPNOTSUPP;
2856                 *param = local->wpa;
2857                 break;
2858
2859         case PRISM2_PARAM_PRIVACY_INVOKED:
2860                 *param = local->privacy_invoked;
2861                 break;
2862
2863         case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2864                 *param = local->tkip_countermeasures;
2865                 break;
2866
2867         case PRISM2_PARAM_DROP_UNENCRYPTED:
2868                 *param = local->drop_unencrypted;
2869                 break;
2870
2871         case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2872                 *param = local->scan_channel_mask;
2873                 break;
2874
2875         default:
2876                 printk(KERN_DEBUG "%s: get_prism2_param: unknown param %d\n",
2877                        dev->name, *param);
2878                 ret = -EOPNOTSUPP;
2879                 break;
2880         }
2881
2882         return ret;
2883 }
2884
2885
2886 static int prism2_ioctl_priv_readmif(struct net_device *dev,
2887                                      struct iw_request_info *info,
2888                                      void *wrqu, char *extra)
2889 {
2890         struct hostap_interface *iface;
2891         local_info_t *local;
2892         u16 resp0;
2893
2894         iface = netdev_priv(dev);
2895         local = iface->local;
2896
2897         if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF, *extra, NULL,
2898                              &resp0))
2899                 return -EOPNOTSUPP;
2900         else
2901                 *extra = resp0;
2902
2903         return 0;
2904 }
2905
2906
2907 static int prism2_ioctl_priv_writemif(struct net_device *dev,
2908                                       struct iw_request_info *info,
2909                                       void *wrqu, char *extra)
2910 {
2911         struct hostap_interface *iface;
2912         local_info_t *local;
2913         u16 cr, val;
2914
2915         iface = netdev_priv(dev);
2916         local = iface->local;
2917
2918         cr = *extra;
2919         val = *(extra + 1);
2920         if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, cr, &val, NULL))
2921                 return -EOPNOTSUPP;
2922
2923         return 0;
2924 }
2925
2926
2927 static int prism2_ioctl_priv_monitor(struct net_device *dev, int *i)
2928 {
2929         struct hostap_interface *iface;
2930         local_info_t *local;
2931         int ret = 0;
2932         u32 mode;
2933
2934         iface = netdev_priv(dev);
2935         local = iface->local;
2936
2937         printk(KERN_DEBUG "%s: process %d (%s) used deprecated iwpriv monitor "
2938                "- update software to use iwconfig mode monitor\n",
2939                dev->name, current->pid, current->comm);
2940
2941         /* Backward compatibility code - this can be removed at some point */
2942
2943         if (*i == 0) {
2944                 /* Disable monitor mode - old mode was not saved, so go to
2945                  * Master mode */
2946                 mode = IW_MODE_MASTER;
2947                 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2948         } else if (*i == 1) {
2949                 /* netlink socket mode is not supported anymore since it did
2950                  * not separate different devices from each other and was not
2951                  * best method for delivering large amount of packets to
2952                  * user space */
2953                 ret = -EOPNOTSUPP;
2954         } else if (*i == 2 || *i == 3) {
2955                 switch (*i) {
2956                 case 2:
2957                         local->monitor_type = PRISM2_MONITOR_80211;
2958                         break;
2959                 case 3:
2960                         local->monitor_type = PRISM2_MONITOR_PRISM;
2961                         break;
2962                 }
2963                 mode = IW_MODE_MONITOR;
2964                 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2965                 hostap_monitor_mode_enable(local);
2966         } else
2967                 ret = -EINVAL;
2968
2969         return ret;
2970 }
2971
2972
2973 static int prism2_ioctl_priv_reset(struct net_device *dev, int *i)
2974 {
2975         struct hostap_interface *iface;
2976         local_info_t *local;
2977
2978         iface = netdev_priv(dev);
2979         local = iface->local;
2980
2981         printk(KERN_DEBUG "%s: manual reset request(%d)\n", dev->name, *i);
2982         switch (*i) {
2983         case 0:
2984                 /* Disable and enable card */
2985                 local->func->hw_shutdown(dev, 1);
2986                 local->func->hw_config(dev, 0);
2987                 break;
2988
2989         case 1:
2990                 /* COR sreset */
2991                 local->func->hw_reset(dev);
2992                 break;
2993
2994         case 2:
2995                 /* Disable and enable port 0 */
2996                 local->func->reset_port(dev);
2997                 break;
2998
2999         case 3:
3000                 prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING);
3001                 if (local->func->cmd(dev, HFA384X_CMDCODE_DISABLE, 0, NULL,
3002                                      NULL))
3003                         return -EINVAL;
3004                 break;
3005
3006         case 4:
3007                 if (local->func->cmd(dev, HFA384X_CMDCODE_ENABLE, 0, NULL,
3008                                      NULL))
3009                         return -EINVAL;
3010                 break;
3011
3012         default:
3013                 printk(KERN_DEBUG "Unknown reset request %d\n", *i);
3014                 return -EOPNOTSUPP;
3015         }
3016
3017         return 0;
3018 }
3019
3020
3021 static int prism2_ioctl_priv_set_rid_word(struct net_device *dev, int *i)
3022 {
3023         int rid = *i;
3024         int value = *(i + 1);
3025
3026         printk(KERN_DEBUG "%s: Set RID[0x%X] = %d\n", dev->name, rid, value);
3027
3028         if (hostap_set_word(dev, rid, value))
3029                 return -EINVAL;
3030
3031         return 0;
3032 }
3033
3034
3035 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
3036 static int ap_mac_cmd_ioctl(local_info_t *local, int *cmd)
3037 {
3038         int ret = 0;
3039
3040         switch (*cmd) {
3041         case AP_MAC_CMD_POLICY_OPEN:
3042                 local->ap->mac_restrictions.policy = MAC_POLICY_OPEN;
3043                 break;
3044         case AP_MAC_CMD_POLICY_ALLOW:
3045                 local->ap->mac_restrictions.policy = MAC_POLICY_ALLOW;
3046                 break;
3047         case AP_MAC_CMD_POLICY_DENY:
3048                 local->ap->mac_restrictions.policy = MAC_POLICY_DENY;
3049                 break;
3050         case AP_MAC_CMD_FLUSH:
3051                 ap_control_flush_macs(&local->ap->mac_restrictions);
3052                 break;
3053         case AP_MAC_CMD_KICKALL:
3054                 ap_control_kickall(local->ap);
3055                 hostap_deauth_all_stas(local->dev, local->ap, 0);
3056                 break;
3057         default:
3058                 ret = -EOPNOTSUPP;
3059                 break;
3060         }
3061
3062         return ret;
3063 }
3064 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
3065
3066
3067 #ifdef PRISM2_DOWNLOAD_SUPPORT
3068 static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p)
3069 {
3070         struct prism2_download_param *param;
3071         int ret = 0;
3072
3073         if (p->length < sizeof(struct prism2_download_param) ||
3074             p->length > 1024 || !p->pointer)
3075                 return -EINVAL;
3076
3077         param = (struct prism2_download_param *)
3078                 kmalloc(p->length, GFP_KERNEL);
3079         if (param == NULL)
3080                 return -ENOMEM;
3081
3082         if (copy_from_user(param, p->pointer, p->length)) {
3083                 ret = -EFAULT;
3084                 goto out;
3085         }
3086
3087         if (p->length < sizeof(struct prism2_download_param) +
3088             param->num_areas * sizeof(struct prism2_download_area)) {
3089                 ret = -EINVAL;
3090                 goto out;
3091         }
3092
3093         ret = local->func->download(local, param);
3094
3095  out:
3096         if (param != NULL)
3097                 kfree(param);
3098
3099         return ret;
3100 }
3101 #endif /* PRISM2_DOWNLOAD_SUPPORT */
3102
3103
3104 static int prism2_set_genericelement(struct net_device *dev, u8 *elem,
3105                                      size_t len)
3106 {
3107         struct hostap_interface *iface = dev->priv;
3108         local_info_t *local = iface->local;
3109         u8 *buf;
3110
3111         /*
3112          * Add 16-bit length in the beginning of the buffer because Prism2 RID
3113          * includes it.
3114          */
3115         buf = kmalloc(len + 2, GFP_KERNEL);
3116         if (buf == NULL)
3117                 return -ENOMEM;
3118
3119         *((u16 *) buf) = cpu_to_le16(len);
3120         memcpy(buf + 2, elem, len);
3121
3122         kfree(local->generic_elem);
3123         local->generic_elem = buf;
3124         local->generic_elem_len = len + 2;
3125
3126         return local->func->set_rid(local->dev, HFA384X_RID_GENERICELEMENT,
3127                                     buf, len + 2);
3128 }
3129
3130
3131 static int prism2_ioctl_siwauth(struct net_device *dev,
3132                                 struct iw_request_info *info,
3133                                 struct iw_param *data, char *extra)
3134 {
3135         struct hostap_interface *iface = dev->priv;
3136         local_info_t *local = iface->local;
3137
3138         switch (data->flags & IW_AUTH_INDEX) {
3139         case IW_AUTH_WPA_VERSION:
3140         case IW_AUTH_CIPHER_PAIRWISE:
3141         case IW_AUTH_CIPHER_GROUP:
3142         case IW_AUTH_KEY_MGMT:
3143                 /*
3144                  * Host AP driver does not use these parameters and allows
3145                  * wpa_supplicant to control them internally.
3146                  */
3147                 break;
3148         case IW_AUTH_TKIP_COUNTERMEASURES:
3149                 local->tkip_countermeasures = data->value;
3150                 break;
3151         case IW_AUTH_DROP_UNENCRYPTED:
3152                 local->drop_unencrypted = data->value;
3153                 break;
3154         case IW_AUTH_80211_AUTH_ALG:
3155                 local->auth_algs = data->value;
3156                 break;
3157         case IW_AUTH_WPA_ENABLED:
3158                 if (data->value == 0) {
3159                         local->wpa = 0;
3160                         if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3161                                 break;
3162                         prism2_set_genericelement(dev, "", 0);
3163                         local->host_roaming = 0;
3164                         local->privacy_invoked = 0;
3165                         if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
3166                                             0) ||
3167                             hostap_set_roaming(local) ||
3168                             hostap_set_encryption(local) ||
3169                             local->func->reset_port(dev))
3170                                 return -EINVAL;
3171                         break;
3172                 }
3173                 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3174                         return -EOPNOTSUPP;
3175                 local->host_roaming = 2;
3176                 local->privacy_invoked = 1;
3177                 local->wpa = 1;
3178                 if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, 1) ||
3179                     hostap_set_roaming(local) ||
3180                     hostap_set_encryption(local) ||
3181                     local->func->reset_port(dev))
3182                         return -EINVAL;
3183                 break;
3184         case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3185                 local->ieee_802_1x = data->value;
3186                 break;
3187         case IW_AUTH_PRIVACY_INVOKED:
3188                 local->privacy_invoked = data->value;
3189                 break;
3190         default:
3191                 return -EOPNOTSUPP;
3192         }
3193         return 0;
3194 }
3195
3196
3197 static int prism2_ioctl_giwauth(struct net_device *dev,
3198                                 struct iw_request_info *info,
3199                                 struct iw_param *data, char *extra)
3200 {
3201         struct hostap_interface *iface = dev->priv;
3202         local_info_t *local = iface->local;
3203
3204         switch (data->flags & IW_AUTH_INDEX) {
3205         case IW_AUTH_WPA_VERSION:
3206         case IW_AUTH_CIPHER_PAIRWISE:
3207         case IW_AUTH_CIPHER_GROUP:
3208         case IW_AUTH_KEY_MGMT:
3209                 /*
3210                  * Host AP driver does not use these parameters and allows
3211                  * wpa_supplicant to control them internally.
3212                  */
3213                 return -EOPNOTSUPP;
3214         case IW_AUTH_TKIP_COUNTERMEASURES:
3215                 data->value = local->tkip_countermeasures;
3216                 break;
3217         case IW_AUTH_DROP_UNENCRYPTED:
3218                 data->value = local->drop_unencrypted;
3219                 break;
3220         case IW_AUTH_80211_AUTH_ALG:
3221                 data->value = local->auth_algs;
3222                 break;
3223         case IW_AUTH_WPA_ENABLED:
3224                 data->value = local->wpa;
3225                 break;
3226         case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3227                 data->value = local->ieee_802_1x;
3228                 break;
3229         default:
3230                 return -EOPNOTSUPP;
3231         }
3232         return 0;
3233 }
3234
3235
3236 static int prism2_ioctl_siwencodeext(struct net_device *dev,
3237                                      struct iw_request_info *info,
3238                                      struct iw_point *erq, char *extra)
3239 {
3240         struct hostap_interface *iface = dev->priv;
3241         local_info_t *local = iface->local;
3242         struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3243         int i, ret = 0;
3244         struct ieee80211_crypto_ops *ops;
3245         struct ieee80211_crypt_data **crypt;
3246         void *sta_ptr;
3247         u8 *addr;
3248         const char *alg, *module;
3249
3250         i = erq->flags & IW_ENCODE_INDEX;
3251         if (i > WEP_KEYS)
3252                 return -EINVAL;
3253         if (i < 1 || i > WEP_KEYS)
3254                 i = local->tx_keyidx;
3255         else
3256                 i--;
3257         if (i < 0 || i >= WEP_KEYS)
3258                 return -EINVAL;
3259
3260         addr = ext->addr.sa_data;
3261         if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
3262             addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
3263                 sta_ptr = NULL;
3264                 crypt = &local->crypt[i];
3265         } else {
3266                 if (i != 0)
3267                         return -EINVAL;
3268                 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3269                 if (sta_ptr == NULL) {
3270                         if (local->iw_mode == IW_MODE_INFRA) {
3271                                 /*
3272                                  * TODO: add STA entry for the current AP so
3273                                  * that unicast key can be used. For now, this
3274                                  * is emulated by using default key idx 0.
3275                                  */
3276                                 i = 0;
3277                                 crypt = &local->crypt[i];
3278                         } else
3279                                 return -EINVAL;
3280                 }
3281         }
3282
3283         if ((erq->flags & IW_ENCODE_DISABLED) ||
3284             ext->alg == IW_ENCODE_ALG_NONE) {
3285                 if (*crypt)
3286                         prism2_crypt_delayed_deinit(local, crypt);
3287                 goto done;
3288         }
3289
3290         switch (ext->alg) {
3291         case IW_ENCODE_ALG_WEP:
3292                 alg = "WEP";
3293                 module = "ieee80211_crypt_wep";
3294                 break;
3295         case IW_ENCODE_ALG_TKIP:
3296                 alg = "TKIP";
3297                 module = "ieee80211_crypt_tkip";
3298                 break;
3299         case IW_ENCODE_ALG_CCMP:
3300                 alg = "CCMP";
3301                 module = "ieee80211_crypt_ccmp";
3302                 break;
3303         default:
3304                 printk(KERN_DEBUG "%s: unsupported algorithm %d\n",
3305                        local->dev->name, ext->alg);
3306                 ret = -EOPNOTSUPP;
3307                 goto done;
3308         }
3309
3310         ops = ieee80211_get_crypto_ops(alg);
3311         if (ops == NULL) {
3312                 request_module(module);
3313                 ops = ieee80211_get_crypto_ops(alg);
3314         }
3315         if (ops == NULL) {
3316                 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3317                        local->dev->name, alg);
3318                 ret = -EOPNOTSUPP;
3319                 goto done;
3320         }
3321
3322         if (sta_ptr || ext->alg != IW_ENCODE_ALG_WEP) {
3323                 /*
3324                  * Per station encryption and other than WEP algorithms
3325                  * require host-based encryption, so force them on
3326                  * automatically.
3327                  */
3328                 local->host_decrypt = local->host_encrypt = 1;
3329         }
3330
3331         if (*crypt == NULL || (*crypt)->ops != ops) {
3332                 struct ieee80211_crypt_data *new_crypt;
3333
3334                 prism2_crypt_delayed_deinit(local, crypt);
3335
3336                 new_crypt = (struct ieee80211_crypt_data *)
3337                         kmalloc(sizeof(struct ieee80211_crypt_data),
3338                                 GFP_KERNEL);
3339                 if (new_crypt == NULL) {
3340                         ret = -ENOMEM;
3341                         goto done;
3342                 }
3343                 memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
3344                 new_crypt->ops = ops;
3345                 new_crypt->priv = new_crypt->ops->init(i);
3346                 if (new_crypt->priv == NULL) {
3347                         kfree(new_crypt);
3348                         ret = -EINVAL;
3349                         goto done;
3350                 }
3351
3352                 *crypt = new_crypt;
3353         }
3354
3355         /*
3356          * TODO: if ext_flags does not have IW_ENCODE_EXT_RX_SEQ_VALID, the
3357          * existing seq# should not be changed.
3358          * TODO: if ext_flags has IW_ENCODE_EXT_TX_SEQ_VALID, next TX seq#
3359          * should be changed to something else than zero.
3360          */
3361         if ((!(ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) || ext->key_len > 0)
3362             && (*crypt)->ops->set_key &&
3363             (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
3364                                    (*crypt)->priv) < 0) {
3365                 printk(KERN_DEBUG "%s: key setting failed\n",
3366                        local->dev->name);
3367                 ret = -EINVAL;
3368                 goto done;
3369         }
3370
3371         if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
3372                 if (!sta_ptr)
3373                         local->tx_keyidx = i;
3374                 else if (i) {
3375                         ret = -EINVAL;
3376                         goto done;
3377                 }
3378         }
3379
3380
3381         if (sta_ptr == NULL && ext->key_len > 0) {
3382                 int first = 1, j;
3383                 for (j = 0; j < WEP_KEYS; j++) {
3384                         if (j != i && local->crypt[j]) {
3385                                 first = 0;
3386                                 break;
3387                         }
3388                 }
3389                 if (first)
3390                         local->tx_keyidx = i;
3391         }
3392
3393  done:
3394         if (sta_ptr)
3395                 hostap_handle_sta_release(sta_ptr);
3396
3397         local->open_wep = erq->flags & IW_ENCODE_OPEN;
3398
3399         /*
3400          * Do not reset port0 if card is in Managed mode since resetting will
3401          * generate new IEEE 802.11 authentication which may end up in looping
3402          * with IEEE 802.1X. Prism2 documentation seem to require port reset
3403          * after WEP configuration. However, keys are apparently changed at
3404          * least in Managed mode.
3405          */
3406         if (ret == 0 &&
3407             (hostap_set_encryption(local) ||
3408              (local->iw_mode != IW_MODE_INFRA &&
3409               local->func->reset_port(local->dev))))
3410                 ret = -EINVAL;
3411
3412         return ret;
3413 }
3414
3415
3416 static int prism2_ioctl_giwencodeext(struct net_device *dev,
3417                                      struct iw_request_info *info,
3418                                      struct iw_point *erq, char *extra)
3419 {
3420         struct hostap_interface *iface = dev->priv;
3421         local_info_t *local = iface->local;
3422         struct ieee80211_crypt_data **crypt;
3423         void *sta_ptr;
3424         int max_key_len, i;
3425         struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3426         u8 *addr;
3427
3428         max_key_len = erq->length - sizeof(*ext);
3429         if (max_key_len < 0)
3430                 return -EINVAL;
3431
3432         i = erq->flags & IW_ENCODE_INDEX;
3433         if (i < 1 || i > WEP_KEYS)
3434                 i = local->tx_keyidx;
3435         else
3436                 i--;
3437
3438         addr = ext->addr.sa_data;
3439         if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
3440             addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
3441                 sta_ptr = NULL;
3442                 crypt = &local->crypt[i];
3443         } else {
3444                 i = 0;
3445                 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3446                 if (sta_ptr == NULL)
3447                         return -EINVAL;
3448         }
3449         erq->flags = i + 1;
3450         memset(ext, 0, sizeof(*ext));
3451
3452         if (*crypt == NULL || (*crypt)->ops == NULL) {
3453                 ext->alg = IW_ENCODE_ALG_NONE;
3454                 ext->key_len = 0;
3455                 erq->flags |= IW_ENCODE_DISABLED;
3456         } else {
3457                 if (strcmp((*crypt)->ops->name, "WEP") == 0)
3458                         ext->alg = IW_ENCODE_ALG_WEP;
3459                 else if (strcmp((*crypt)->ops->name, "TKIP") == 0)
3460                         ext->alg = IW_ENCODE_ALG_TKIP;
3461                 else if (strcmp((*crypt)->ops->name, "CCMP") == 0)
3462                         ext->alg = IW_ENCODE_ALG_CCMP;
3463                 else
3464                         return -EINVAL;
3465
3466                 if ((*crypt)->ops->get_key) {
3467                         ext->key_len =
3468                                 (*crypt)->ops->get_key(ext->key,
3469                                                        max_key_len,
3470                                                        ext->tx_seq,
3471                                                        (*crypt)->priv);
3472                         if (ext->key_len &&
3473                             (ext->alg == IW_ENCODE_ALG_TKIP ||
3474                              ext->alg == IW_ENCODE_ALG_CCMP))
3475                                 ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
3476                 }
3477         }
3478
3479         if (sta_ptr)
3480                 hostap_handle_sta_release(sta_ptr);
3481
3482         return 0;
3483 }
3484
3485
3486 static int prism2_ioctl_set_encryption(local_info_t *local,
3487                                        struct prism2_hostapd_param *param,
3488                                        int param_len)
3489 {
3490         int ret = 0;
3491         struct ieee80211_crypto_ops *ops;
3492         struct ieee80211_crypt_data **crypt;
3493         void *sta_ptr;
3494
3495         param->u.crypt.err = 0;
3496         param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0';
3497
3498         if (param_len !=
3499             (int) ((char *) param->u.crypt.key - (char *) param) +
3500             param->u.crypt.key_len)
3501                 return -EINVAL;
3502
3503         if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
3504             param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
3505             param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
3506                 if (param->u.crypt.idx >= WEP_KEYS)
3507                         return -EINVAL;
3508                 sta_ptr = NULL;
3509                 crypt = &local->crypt[param->u.crypt.idx];
3510         } else {
3511                 if (param->u.crypt.idx)
3512                         return -EINVAL;
3513                 sta_ptr = ap_crypt_get_ptrs(
3514                         local->ap, param->sta_addr,
3515                         (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_PERMANENT),
3516                         &crypt);
3517
3518                 if (sta_ptr == NULL) {
3519                         param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3520                         return -EINVAL;
3521                 }
3522         }
3523
3524         if (strcmp(param->u.crypt.alg, "none") == 0) {
3525                 if (crypt)
3526                         prism2_crypt_delayed_deinit(local, crypt);
3527                 goto done;
3528         }
3529
3530         ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
3531         if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
3532                 request_module("ieee80211_crypt_wep");
3533                 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
3534         } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
3535                 request_module("ieee80211_crypt_tkip");
3536                 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
3537         } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
3538                 request_module("ieee80211_crypt_ccmp");
3539                 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
3540         }
3541         if (ops == NULL) {
3542                 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3543                        local->dev->name, param->u.crypt.alg);
3544                 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ALG;
3545                 ret = -EINVAL;
3546                 goto done;
3547         }
3548
3549         /* station based encryption and other than WEP algorithms require
3550          * host-based encryption, so force them on automatically */
3551         local->host_decrypt = local->host_encrypt = 1;
3552
3553         if (*crypt == NULL || (*crypt)->ops != ops) {
3554                 struct ieee80211_crypt_data *new_crypt;
3555
3556                 prism2_crypt_delayed_deinit(local, crypt);
3557
3558                 new_crypt = (struct ieee80211_crypt_data *)
3559                         kmalloc(sizeof(struct ieee80211_crypt_data),
3560                                 GFP_KERNEL);
3561                 if (new_crypt == NULL) {
3562                         ret = -ENOMEM;
3563                         goto done;
3564                 }
3565                 memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
3566                 new_crypt->ops = ops;
3567                 new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx);
3568                 if (new_crypt->priv == NULL) {
3569                         kfree(new_crypt);
3570                         param->u.crypt.err =
3571                                 HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED;
3572                         ret = -EINVAL;
3573                         goto done;
3574                 }
3575
3576                 *crypt = new_crypt;
3577         }
3578
3579         if ((!(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) ||
3580              param->u.crypt.key_len > 0) && (*crypt)->ops->set_key &&
3581             (*crypt)->ops->set_key(param->u.crypt.key,
3582                                    param->u.crypt.key_len, param->u.crypt.seq,
3583                                    (*crypt)->priv) < 0) {
3584                 printk(KERN_DEBUG "%s: key setting failed\n",
3585                        local->dev->name);
3586                 param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
3587                 ret = -EINVAL;
3588                 goto done;
3589         }
3590
3591         if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
3592                 if (!sta_ptr)
3593                         local->tx_keyidx = param->u.crypt.idx;
3594                 else if (param->u.crypt.idx) {
3595                         printk(KERN_DEBUG "%s: TX key idx setting failed\n",
3596                                local->dev->name);
3597                         param->u.crypt.err =
3598                                 HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED;
3599                         ret = -EINVAL;
3600                         goto done;
3601                 }
3602         }
3603
3604  done:
3605         if (sta_ptr)
3606                 hostap_handle_sta_release(sta_ptr);
3607
3608         /* Do not reset port0 if card is in Managed mode since resetting will
3609          * generate new IEEE 802.11 authentication which may end up in looping
3610          * with IEEE 802.1X. Prism2 documentation seem to require port reset
3611          * after WEP configuration. However, keys are apparently changed at
3612          * least in Managed mode. */
3613         if (ret == 0 &&
3614             (hostap_set_encryption(local) ||
3615              (local->iw_mode != IW_MODE_INFRA &&
3616               local->func->reset_port(local->dev)))) {
3617                 param->u.crypt.err = HOSTAP_CRYPT_ERR_CARD_CONF_FAILED;
3618                 return -EINVAL;
3619         }
3620
3621         return ret;
3622 }
3623
3624
3625 static int prism2_ioctl_get_encryption(local_info_t *local,
3626                                        struct prism2_hostapd_param *param,
3627                                        int param_len)
3628 {
3629         struct ieee80211_crypt_data **crypt;
3630         void *sta_ptr;
3631         int max_key_len;
3632
3633         param->u.crypt.err = 0;
3634
3635         max_key_len = param_len -
3636                 (int) ((char *) param->u.crypt.key - (char *) param);
3637         if (max_key_len < 0)
3638                 return -EINVAL;
3639
3640         if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
3641             param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
3642             param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
3643                 sta_ptr = NULL;
3644                 if (param->u.crypt.idx >= WEP_KEYS)
3645                         param->u.crypt.idx = local->tx_keyidx;
3646                 crypt = &local->crypt[param->u.crypt.idx];
3647         } else {
3648                 param->u.crypt.idx = 0;
3649                 sta_ptr = ap_crypt_get_ptrs(local->ap, param->sta_addr, 0,
3650                                             &crypt);
3651
3652                 if (sta_ptr == NULL) {
3653                         param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3654                         return -EINVAL;
3655                 }
3656         }
3657
3658         if (*crypt == NULL || (*crypt)->ops == NULL) {
3659                 memcpy(param->u.crypt.alg, "none", 5);
3660                 param->u.crypt.key_len = 0;
3661                 param->u.crypt.idx = 0xff;
3662         } else {
3663                 strncpy(param->u.crypt.alg, (*crypt)->ops->name,
3664                         HOSTAP_CRYPT_ALG_NAME_LEN);
3665                 param->u.crypt.key_len = 0;
3666
3667                 memset(param->u.crypt.seq, 0, 8);
3668                 if ((*crypt)->ops->get_key) {
3669                         param->u.crypt.key_len =
3670                                 (*crypt)->ops->get_key(param->u.crypt.key,
3671                                                        max_key_len,
3672                                                        param->u.crypt.seq,
3673                                                        (*crypt)->priv);
3674                 }
3675         }
3676
3677         if (sta_ptr)
3678                 hostap_handle_sta_release(sta_ptr);
3679
3680         return 0;
3681 }
3682
3683
3684 static int prism2_ioctl_get_rid(local_info_t *local,
3685                                 struct prism2_hostapd_param *param,
3686                                 int param_len)
3687 {
3688         int max_len, res;
3689
3690         max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3691         if (max_len < 0)
3692                 return -EINVAL;
3693
3694         res = local->func->get_rid(local->dev, param->u.rid.rid,
3695                                    param->u.rid.data, param->u.rid.len, 0);
3696         if (res >= 0) {
3697                 param->u.rid.len = res;
3698                 return 0;
3699         }
3700
3701         return res;
3702 }
3703
3704
3705 static int prism2_ioctl_set_rid(local_info_t *local,
3706                                 struct prism2_hostapd_param *param,
3707                                 int param_len)
3708 {
3709         int max_len;
3710
3711         max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3712         if (max_len < 0 || max_len < param->u.rid.len)
3713                 return -EINVAL;
3714
3715         return local->func->set_rid(local->dev, param->u.rid.rid,
3716                                     param->u.rid.data, param->u.rid.len);
3717 }
3718
3719
3720 static int prism2_ioctl_set_assoc_ap_addr(local_info_t *local,
3721                                           struct prism2_hostapd_param *param,
3722                                           int param_len)
3723 {
3724         printk(KERN_DEBUG "%ssta: associated as client with AP " MACSTR "\n",
3725                local->dev->name, MAC2STR(param->sta_addr));
3726         memcpy(local->assoc_ap_addr, param->sta_addr, ETH_ALEN);
3727         return 0;
3728 }
3729
3730
3731 static int prism2_ioctl_siwgenie(struct net_device *dev,
3732                                  struct iw_request_info *info,
3733                                  struct iw_point *data, char *extra)
3734 {
3735         return prism2_set_genericelement(dev, extra, data->length);
3736 }
3737
3738
3739 static int prism2_ioctl_giwgenie(struct net_device *dev,
3740                                  struct iw_request_info *info,
3741                                  struct iw_point *data, char *extra)
3742 {
3743         struct hostap_interface *iface = dev->priv;
3744         local_info_t *local = iface->local;
3745         int len = local->generic_elem_len - 2;
3746
3747         if (len <= 0 || local->generic_elem == NULL) {
3748                 data->length = 0;
3749                 return 0;
3750         }
3751
3752         if (data->length < len)
3753                 return -E2BIG;
3754
3755         data->length = len;
3756         memcpy(extra, local->generic_elem + 2, len);
3757
3758         return 0;
3759 }
3760
3761
3762 static int prism2_ioctl_set_generic_element(local_info_t *local,
3763                                             struct prism2_hostapd_param *param,
3764                                             int param_len)
3765 {
3766         int max_len, len;
3767
3768         len = param->u.generic_elem.len;
3769         max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN;
3770         if (max_len < 0 || max_len < len)
3771                 return -EINVAL;
3772
3773         return prism2_set_genericelement(local->dev,
3774                                          param->u.generic_elem.data, len);
3775 }
3776
3777
3778 static int prism2_ioctl_siwmlme(struct net_device *dev,
3779                                 struct iw_request_info *info,
3780                                 struct iw_point *data, char *extra)
3781 {
3782         struct hostap_interface *iface = dev->priv;
3783         local_info_t *local = iface->local;
3784         struct iw_mlme *mlme = (struct iw_mlme *) extra;
3785         u16 reason;
3786
3787         reason = cpu_to_le16(mlme->reason_code);
3788
3789         switch (mlme->cmd) {
3790         case IW_MLME_DEAUTH:
3791                 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3792                                             IEEE80211_STYPE_DEAUTH,
3793                                             (u8 *) &reason, 2);
3794         case IW_MLME_DISASSOC:
3795                 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3796                                             IEEE80211_STYPE_DISASSOC,
3797                                             (u8 *) &reason, 2);
3798         default:
3799                 return -EOPNOTSUPP;
3800         }
3801 }
3802
3803
3804 static int prism2_ioctl_mlme(local_info_t *local,
3805                              struct prism2_hostapd_param *param)
3806 {
3807         u16 reason;
3808
3809         reason = cpu_to_le16(param->u.mlme.reason_code);
3810         switch (param->u.mlme.cmd) {
3811         case MLME_STA_DEAUTH:
3812                 return prism2_sta_send_mgmt(local, param->sta_addr,
3813                                             IEEE80211_STYPE_DEAUTH,
3814                                             (u8 *) &reason, 2);
3815         case MLME_STA_DISASSOC:
3816                 return prism2_sta_send_mgmt(local, param->sta_addr,
3817                                             IEEE80211_STYPE_DISASSOC,
3818                                             (u8 *) &reason, 2);
3819         default:
3820                 return -EOPNOTSUPP;
3821         }
3822 }
3823
3824
3825 static int prism2_ioctl_scan_req(local_info_t *local,
3826                                  struct prism2_hostapd_param *param)
3827 {
3828 #ifndef PRISM2_NO_STATION_MODES
3829         if ((local->iw_mode != IW_MODE_INFRA &&
3830              local->iw_mode != IW_MODE_ADHOC) ||
3831             (local->sta_fw_ver < PRISM2_FW_VER(1,3,1)))
3832                 return -EOPNOTSUPP;
3833
3834         if (!local->dev_enabled)
3835                 return -ENETDOWN;
3836
3837         return prism2_request_hostscan(local->dev, param->u.scan_req.ssid,
3838                                        param->u.scan_req.ssid_len);
3839 #else /* PRISM2_NO_STATION_MODES */
3840         return -EOPNOTSUPP;
3841 #endif /* PRISM2_NO_STATION_MODES */
3842 }
3843
3844
3845 static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p)
3846 {
3847         struct prism2_hostapd_param *param;
3848         int ret = 0;
3849         int ap_ioctl = 0;
3850
3851         if (p->length < sizeof(struct prism2_hostapd_param) ||
3852             p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
3853                 return -EINVAL;
3854
3855         param = (struct prism2_hostapd_param *) kmalloc(p->length, GFP_KERNEL);
3856         if (param == NULL)
3857                 return -ENOMEM;
3858
3859         if (copy_from_user(param, p->pointer, p->length)) {
3860                 ret = -EFAULT;
3861                 goto out;
3862         }
3863
3864         switch (param->cmd) {
3865         case PRISM2_SET_ENCRYPTION:
3866                 ret = prism2_ioctl_set_encryption(local, param, p->length);
3867                 break;
3868         case PRISM2_GET_ENCRYPTION:
3869                 ret = prism2_ioctl_get_encryption(local, param, p->length);
3870                 break;
3871         case PRISM2_HOSTAPD_GET_RID:
3872                 ret = prism2_ioctl_get_rid(local, param, p->length);
3873                 break;
3874         case PRISM2_HOSTAPD_SET_RID:
3875                 ret = prism2_ioctl_set_rid(local, param, p->length);
3876                 break;
3877         case PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR:
3878                 ret = prism2_ioctl_set_assoc_ap_addr(local, param, p->length);
3879                 break;
3880         case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT:
3881                 ret = prism2_ioctl_set_generic_element(local, param,
3882                                                        p->length);
3883                 break;
3884         case PRISM2_HOSTAPD_MLME:
3885                 ret = prism2_ioctl_mlme(local, param);
3886                 break;
3887         case PRISM2_HOSTAPD_SCAN_REQ:
3888                 ret = prism2_ioctl_scan_req(local, param);
3889                 break;
3890         default:
3891                 ret = prism2_hostapd(local->ap, param);
3892                 ap_ioctl = 1;
3893                 break;
3894         }
3895
3896         if (ret == 1 || !ap_ioctl) {
3897                 if (copy_to_user(p->pointer, param, p->length)) {
3898                         ret = -EFAULT;
3899                         goto out;
3900                 } else if (ap_ioctl)
3901                         ret = 0;
3902         }
3903
3904  out:
3905         if (param != NULL)
3906                 kfree(param);
3907
3908         return ret;
3909 }
3910
3911
3912 static void prism2_get_drvinfo(struct net_device *dev,
3913                                struct ethtool_drvinfo *info)
3914 {
3915         struct hostap_interface *iface;
3916         local_info_t *local;
3917
3918         iface = netdev_priv(dev);
3919         local = iface->local;
3920
3921         strncpy(info->driver, "hostap", sizeof(info->driver) - 1);
3922         strncpy(info->version, PRISM2_VERSION,
3923                 sizeof(info->version) - 1);
3924         snprintf(info->fw_version, sizeof(info->fw_version) - 1,
3925                  "%d.%d.%d", (local->sta_fw_ver >> 16) & 0xff,
3926                  (local->sta_fw_ver >> 8) & 0xff,
3927                  local->sta_fw_ver & 0xff);
3928 }
3929
3930 static struct ethtool_ops prism2_ethtool_ops = {
3931         .get_drvinfo = prism2_get_drvinfo
3932 };
3933
3934
3935 /* Structures to export the Wireless Handlers */
3936
3937 static const iw_handler prism2_handler[] =
3938 {
3939         (iw_handler) NULL,                              /* SIOCSIWCOMMIT */
3940         (iw_handler) prism2_get_name,                   /* SIOCGIWNAME */
3941         (iw_handler) NULL,                              /* SIOCSIWNWID */
3942         (iw_handler) NULL,                              /* SIOCGIWNWID */
3943         (iw_handler) prism2_ioctl_siwfreq,              /* SIOCSIWFREQ */
3944         (iw_handler) prism2_ioctl_giwfreq,              /* SIOCGIWFREQ */
3945         (iw_handler) prism2_ioctl_siwmode,              /* SIOCSIWMODE */
3946         (iw_handler) prism2_ioctl_giwmode,              /* SIOCGIWMODE */
3947         (iw_handler) prism2_ioctl_siwsens,              /* SIOCSIWSENS */
3948         (iw_handler) prism2_ioctl_giwsens,              /* SIOCGIWSENS */
3949         (iw_handler) NULL /* not used */,               /* SIOCSIWRANGE */
3950         (iw_handler) prism2_ioctl_giwrange,             /* SIOCGIWRANGE */
3951         (iw_handler) NULL /* not used */,               /* SIOCSIWPRIV */
3952         (iw_handler) NULL /* kernel code */,            /* SIOCGIWPRIV */
3953         (iw_handler) NULL /* not used */,               /* SIOCSIWSTATS */
3954         (iw_handler) NULL /* kernel code */,            /* SIOCGIWSTATS */
3955         iw_handler_set_spy,                             /* SIOCSIWSPY */
3956         iw_handler_get_spy,                             /* SIOCGIWSPY */
3957         iw_handler_set_thrspy,                          /* SIOCSIWTHRSPY */
3958         iw_handler_get_thrspy,                          /* SIOCGIWTHRSPY */
3959         (iw_handler) prism2_ioctl_siwap,                /* SIOCSIWAP */
3960         (iw_handler) prism2_ioctl_giwap,                /* SIOCGIWAP */
3961         (iw_handler) prism2_ioctl_siwmlme,              /* SIOCSIWMLME */
3962         (iw_handler) prism2_ioctl_giwaplist,            /* SIOCGIWAPLIST */
3963         (iw_handler) prism2_ioctl_siwscan,              /* SIOCSIWSCAN */
3964         (iw_handler) prism2_ioctl_giwscan,              /* SIOCGIWSCAN */
3965         (iw_handler) prism2_ioctl_siwessid,             /* SIOCSIWESSID */
3966         (iw_handler) prism2_ioctl_giwessid,             /* SIOCGIWESSID */
3967         (iw_handler) prism2_ioctl_siwnickn,             /* SIOCSIWNICKN */
3968         (iw_handler) prism2_ioctl_giwnickn,             /* SIOCGIWNICKN */
3969         (iw_handler) NULL,                              /* -- hole -- */
3970         (iw_handler) NULL,                              /* -- hole -- */
3971         (iw_handler) prism2_ioctl_siwrate,              /* SIOCSIWRATE */
3972         (iw_handler) prism2_ioctl_giwrate,              /* SIOCGIWRATE */
3973         (iw_handler) prism2_ioctl_siwrts,               /* SIOCSIWRTS */
3974         (iw_handler) prism2_ioctl_giwrts,               /* SIOCGIWRTS */
3975         (iw_handler) prism2_ioctl_siwfrag,              /* SIOCSIWFRAG */
3976         (iw_handler) prism2_ioctl_giwfrag,              /* SIOCGIWFRAG */
3977         (iw_handler) prism2_ioctl_siwtxpow,             /* SIOCSIWTXPOW */
3978         (iw_handler) prism2_ioctl_giwtxpow,             /* SIOCGIWTXPOW */
3979         (iw_handler) prism2_ioctl_siwretry,             /* SIOCSIWRETRY */
3980         (iw_handler) prism2_ioctl_giwretry,             /* SIOCGIWRETRY */
3981         (iw_handler) prism2_ioctl_siwencode,            /* SIOCSIWENCODE */
3982         (iw_handler) prism2_ioctl_giwencode,            /* SIOCGIWENCODE */
3983         (iw_handler) prism2_ioctl_siwpower,             /* SIOCSIWPOWER */
3984         (iw_handler) prism2_ioctl_giwpower,             /* SIOCGIWPOWER */
3985         (iw_handler) NULL,                              /* -- hole -- */
3986         (iw_handler) NULL,                              /* -- hole -- */
3987         (iw_handler) prism2_ioctl_siwgenie,             /* SIOCSIWGENIE */
3988         (iw_handler) prism2_ioctl_giwgenie,             /* SIOCGIWGENIE */
3989         (iw_handler) prism2_ioctl_siwauth,              /* SIOCSIWAUTH */
3990         (iw_handler) prism2_ioctl_giwauth,              /* SIOCGIWAUTH */
3991         (iw_handler) prism2_ioctl_siwencodeext,         /* SIOCSIWENCODEEXT */
3992         (iw_handler) prism2_ioctl_giwencodeext,         /* SIOCGIWENCODEEXT */
3993         (iw_handler) NULL,                              /* SIOCSIWPMKSA */
3994         (iw_handler) NULL,                              /* -- hole -- */
3995 };
3996
3997 static const iw_handler prism2_private_handler[] =
3998 {                                                       /* SIOCIWFIRSTPRIV + */
3999         (iw_handler) prism2_ioctl_priv_prism2_param,    /* 0 */
4000         (iw_handler) prism2_ioctl_priv_get_prism2_param, /* 1 */
4001         (iw_handler) prism2_ioctl_priv_writemif,        /* 2 */
4002         (iw_handler) prism2_ioctl_priv_readmif,         /* 3 */
4003 };
4004
4005 static const struct iw_handler_def hostap_iw_handler_def =
4006 {
4007         .num_standard   = sizeof(prism2_handler) / sizeof(iw_handler),
4008         .num_private    = sizeof(prism2_private_handler) / sizeof(iw_handler),
4009         .num_private_args = sizeof(prism2_priv) / sizeof(struct iw_priv_args),
4010         .standard       = (iw_handler *) prism2_handler,
4011         .private        = (iw_handler *) prism2_private_handler,
4012         .private_args   = (struct iw_priv_args *) prism2_priv,
4013         .get_wireless_stats = hostap_get_wireless_stats,
4014 };
4015
4016
4017 int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
4018 {
4019         struct iwreq *wrq = (struct iwreq *) ifr;
4020         struct hostap_interface *iface;
4021         local_info_t *local;
4022         int ret = 0;
4023
4024         iface = netdev_priv(dev);
4025         local = iface->local;
4026
4027         switch (cmd) {
4028                 /* Private ioctls (iwpriv) that have not yet been converted
4029                  * into new wireless extensions API */
4030
4031         case PRISM2_IOCTL_INQUIRE:
4032                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4033                 else ret = prism2_ioctl_priv_inquire(dev, (int *) wrq->u.name);
4034                 break;
4035
4036         case PRISM2_IOCTL_MONITOR:
4037                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4038                 else ret = prism2_ioctl_priv_monitor(dev, (int *) wrq->u.name);
4039                 break;
4040
4041         case PRISM2_IOCTL_RESET:
4042                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4043                 else ret = prism2_ioctl_priv_reset(dev, (int *) wrq->u.name);
4044                 break;
4045
4046         case PRISM2_IOCTL_WDS_ADD:
4047                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4048                 else ret = prism2_wds_add(local, wrq->u.ap_addr.sa_data, 1);
4049                 break;
4050
4051         case PRISM2_IOCTL_WDS_DEL:
4052                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4053                 else ret = prism2_wds_del(local, wrq->u.ap_addr.sa_data, 1, 0);
4054                 break;
4055
4056         case PRISM2_IOCTL_SET_RID_WORD:
4057                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4058                 else ret = prism2_ioctl_priv_set_rid_word(dev,
4059                                                           (int *) wrq->u.name);
4060                 break;
4061
4062 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
4063         case PRISM2_IOCTL_MACCMD:
4064                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4065                 else ret = ap_mac_cmd_ioctl(local, (int *) wrq->u.name);
4066                 break;
4067
4068         case PRISM2_IOCTL_ADDMAC:
4069                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4070                 else ret = ap_control_add_mac(&local->ap->mac_restrictions,
4071                                               wrq->u.ap_addr.sa_data);
4072                 break;
4073         case PRISM2_IOCTL_DELMAC:
4074                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4075                 else ret = ap_control_del_mac(&local->ap->mac_restrictions,
4076                                               wrq->u.ap_addr.sa_data);
4077                 break;
4078         case PRISM2_IOCTL_KICKMAC:
4079                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4080                 else ret = ap_control_kick_mac(local->ap, local->dev,
4081                                                wrq->u.ap_addr.sa_data);
4082                 break;
4083 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
4084
4085
4086                 /* Private ioctls that are not used with iwpriv;
4087                  * in SIOCDEVPRIVATE range */
4088
4089 #ifdef PRISM2_DOWNLOAD_SUPPORT
4090         case PRISM2_IOCTL_DOWNLOAD:
4091                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4092                 else ret = prism2_ioctl_priv_download(local, &wrq->u.data);
4093                 break;
4094 #endif /* PRISM2_DOWNLOAD_SUPPORT */
4095
4096         case PRISM2_IOCTL_HOSTAPD:
4097                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4098                 else ret = prism2_ioctl_priv_hostapd(local, &wrq->u.data);
4099                 break;
4100
4101         default:
4102                 ret = -EOPNOTSUPP;
4103                 break;
4104         }
4105
4106         return ret;
4107 }