drivers/net/wireless/hostap/hostap_ioctl.c

   1 /* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */
   2
   3 #include <linux/slab.h>
   4 #include <linux/types.h>
   5 #include <linux/sched.h>
   6 #include <linux/ethtool.h>
   7 #include <linux/if_arp.h>
   8 #include <linux/module.h>
   9 #include <net/lib80211.h>
  10
  11 #include "hostap_wlan.h"
  12 #include "hostap.h"
  13 #include "hostap_ap.h"
  14
  15 static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev)
  16 {
  17         struct hostap_interface *iface;
  18         local_info_t *local;
  19         struct iw_statistics *wstats;
  20
  21         iface = netdev_priv(dev);
  22         local = iface->local;
  23
  24         /* Why are we doing that ? Jean II */
  25         if (iface->type != HOSTAP_INTERFACE_MAIN)
  26                 return NULL;
  27
  28         wstats = &local->wstats;
  29
  30         wstats->status = 0;
  31         wstats->discard.code =
  32                 local->comm_tallies.rx_discards_wep_undecryptable;
  33         wstats->discard.misc =
  34                 local->comm_tallies.rx_fcs_errors +
  35                 local->comm_tallies.rx_discards_no_buffer +
  36                 local->comm_tallies.tx_discards_wrong_sa;
  37
  38         wstats->discard.retries =
  39                 local->comm_tallies.tx_retry_limit_exceeded;
  40         wstats->discard.fragment =
  41                 local->comm_tallies.rx_message_in_bad_msg_fragments;
  42
  43         if (local->iw_mode != IW_MODE_MASTER &&
  44             local->iw_mode != IW_MODE_REPEAT) {
  45                 int update = 1;
  46 #ifdef in_atomic
  47                 /* RID reading might sleep and it must not be called in
  48                  * interrupt context or while atomic. However, this
  49                  * function seems to be called while atomic (at least in Linux
  50                  * 2.5.59). Update signal quality values only if in suitable
  51                  * context. Otherwise, previous values read from tick timer
  52                  * will be used. */
  53                 if (in_atomic())
  54                         update = 0;
  55 #endif /* in_atomic */
  56
  57                 if (update && prism2_update_comms_qual(dev) == 0)
  58                         wstats->qual.updated = IW_QUAL_ALL_UPDATED |
  59                                 IW_QUAL_DBM;
  60
  61                 wstats->qual.qual = local->comms_qual;
  62                 wstats->qual.level = local->avg_signal;
  63                 wstats->qual.noise = local->avg_noise;
  64         } else {
  65                 wstats->qual.qual = 0;
  66                 wstats->qual.level = 0;
  67                 wstats->qual.noise = 0;
  68                 wstats->qual.updated = IW_QUAL_ALL_INVALID;
  69         }
  70
  71         return wstats;
  72 }
  73
  74
  75 static int prism2_get_datarates(struct net_device *dev, u8 *rates)
  76 {
  77         struct hostap_interface *iface;
  78         local_info_t *local;
  79         u8 buf[12];
  80         int len;
  81         u16 val;
  82
  83         iface = netdev_priv(dev);
  84         local = iface->local;
  85
  86         len = local->func->get_rid(dev, HFA384X_RID_SUPPORTEDDATARATES, buf,
  87                                    sizeof(buf), 0);
  88         if (len < 2)
  89                 return 0;
  90
  91         val = le16_to_cpu(*(__le16 *) buf); /* string length */
  92
  93         if (len - 2 < val || val > 10)
  94                 return 0;
  95
  96         memcpy(rates, buf + 2, val);
  97         return val;
  98 }
  99
 100
 101 static int prism2_get_name(struct net_device *dev,
 102                            struct iw_request_info *info,
 103                            char *name, char *extra)
 104 {
 105         u8 rates[10];
 106         int len, i, over2 = 0;
 107
 108         len = prism2_get_datarates(dev, rates);
 109
 110         for (i = 0; i < len; i++) {
 111                 if (rates[i] == 0x0b || rates[i] == 0x16) {
 112                         over2 = 1;
 113                         break;
 114                 }
 115         }
 116
 117         strcpy(name, over2 ? "IEEE 802.11b" : "IEEE 802.11-DS");
 118
 119         return 0;
 120 }
 121
 122
 123 static int prism2_ioctl_siwencode(struct net_device *dev,
 124                                   struct iw_request_info *info,
 125                                   struct iw_point *erq, char *keybuf)
 126 {
 127         struct hostap_interface *iface;
 128         local_info_t *local;
 129         int i;
 130         struct lib80211_crypt_data **crypt;
 131
 132         iface = netdev_priv(dev);
 133         local = iface->local;
 134
 135         i = erq->flags & IW_ENCODE_INDEX;
 136         if (i < 1 || i > 4)
 137                 i = local->crypt_info.tx_keyidx;
 138         else
 139                 i--;
 140         if (i < 0 || i >= WEP_KEYS)
 141                 return -EINVAL;
 142
 143         crypt = &local->crypt_info.crypt[i];
 144
 145         if (erq->flags & IW_ENCODE_DISABLED) {
 146                 if (*crypt)
 147                         lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
 148                 goto done;
 149         }
 150
 151         if (*crypt != NULL && (*crypt)->ops != NULL &&
 152             strcmp((*crypt)->ops->name, "WEP") != 0) {
 153                 /* changing to use WEP; deinit previously used algorithm */
 154                 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
 155         }
 156
 157         if (*crypt == NULL) {
 158                 struct lib80211_crypt_data *new_crypt;
 159
 160                 /* take WEP into use */
 161                 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
 162                                 GFP_KERNEL);
 163                 if (new_crypt == NULL)
 164                         return -ENOMEM;
 165                 new_crypt->ops = lib80211_get_crypto_ops("WEP");
 166                 if (!new_crypt->ops) {
 167                         request_module("lib80211_crypt_wep");
 168                         new_crypt->ops = lib80211_get_crypto_ops("WEP");
 169                 }
 170                 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
 171                         new_crypt->priv = new_crypt->ops->init(i);
 172                 if (!new_crypt->ops || !new_crypt->priv) {
 173                         kfree(new_crypt);
 174                         new_crypt = NULL;
 175
 176                         printk(KERN_WARNING "%s: could not initialize WEP: "
 177                                "load module hostap_crypt_wep.o\n",
 178                                dev->name);
 179                         return -EOPNOTSUPP;
 180                 }
 181                 *crypt = new_crypt;
 182         }
 183
 184         if (erq->length > 0) {
 185                 int len = erq->length <= 5 ? 5 : 13;
 186                 int first = 1, j;
 187                 if (len > erq->length)
 188                         memset(keybuf + erq->length, 0, len - erq->length);
 189                 (*crypt)->ops->set_key(keybuf, len, NULL, (*crypt)->priv);
 190                 for (j = 0; j < WEP_KEYS; j++) {
 191                         if (j != i && local->crypt_info.crypt[j]) {
 192                                 first = 0;
 193                                 break;
 194                         }
 195                 }
 196                 if (first)
 197                         local->crypt_info.tx_keyidx = i;
 198         } else {
 199                 /* No key data - just set the default TX key index */
 200                 local->crypt_info.tx_keyidx = i;
 201         }
 202
 203  done:
 204         local->open_wep = erq->flags & IW_ENCODE_OPEN;
 205
 206         if (hostap_set_encryption(local)) {
 207                 printk(KERN_DEBUG "%s: set_encryption failed\n", dev->name);
 208                 return -EINVAL;
 209         }
 210
 211         /* Do not reset port0 if card is in Managed mode since resetting will
 212          * generate new IEEE 802.11 authentication which may end up in looping
 213          * with IEEE 802.1X. Prism2 documentation seem to require port reset
 214          * after WEP configuration. However, keys are apparently changed at
 215          * least in Managed mode. */
 216         if (local->iw_mode != IW_MODE_INFRA && local->func->reset_port(dev)) {
 217                 printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
 218                 return -EINVAL;
 219         }
 220
 221         return 0;
 222 }
 223
 224
 225 static int prism2_ioctl_giwencode(struct net_device *dev,
 226                                   struct iw_request_info *info,
 227                                   struct iw_point *erq, char *key)
 228 {
 229         struct hostap_interface *iface;
 230         local_info_t *local;
 231         int i, len;
 232         u16 val;
 233         struct lib80211_crypt_data *crypt;
 234
 235         iface = netdev_priv(dev);
 236         local = iface->local;
 237
 238         i = erq->flags & IW_ENCODE_INDEX;
 239         if (i < 1 || i > 4)
 240                 i = local->crypt_info.tx_keyidx;
 241         else
 242                 i--;
 243         if (i < 0 || i >= WEP_KEYS)
 244                 return -EINVAL;
 245
 246         crypt = local->crypt_info.crypt[i];
 247         erq->flags = i + 1;
 248
 249         if (crypt == NULL || crypt->ops == NULL) {
 250                 erq->length = 0;
 251                 erq->flags |= IW_ENCODE_DISABLED;
 252                 return 0;
 253         }
 254
 255         if (strcmp(crypt->ops->name, "WEP") != 0) {
 256                 /* only WEP is supported with wireless extensions, so just
 257                  * report that encryption is used */
 258                 erq->length = 0;
 259                 erq->flags |= IW_ENCODE_ENABLED;
 260                 return 0;
 261         }
 262
 263         /* Reads from HFA384X_RID_CNFDEFAULTKEY* return bogus values, so show
 264          * the keys from driver buffer */
 265         len = crypt->ops->get_key(key, WEP_KEY_LEN, NULL, crypt->priv);
 266         erq->length = (len >= 0 ? len : 0);
 267
 268         if (local->func->get_rid(dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, 1) < 0)
 269         {
 270                 printk("CNFWEPFLAGS reading failed\n");
 271                 return -EOPNOTSUPP;
 272         }
 273         le16_to_cpus(&val);
 274         if (val & HFA384X_WEPFLAGS_PRIVACYINVOKED)
 275                 erq->flags |= IW_ENCODE_ENABLED;
 276         else
 277                 erq->flags |= IW_ENCODE_DISABLED;
 278         if (val & HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED)
 279                 erq->flags |= IW_ENCODE_RESTRICTED;
 280         else
 281                 erq->flags |= IW_ENCODE_OPEN;
 282
 283         return 0;
 284 }
 285
 286
 287 static int hostap_set_rate(struct net_device *dev)
 288 {
 289         struct hostap_interface *iface;
 290         local_info_t *local;
 291         int ret, basic_rates;
 292
 293         iface = netdev_priv(dev);
 294         local = iface->local;
 295
 296         basic_rates = local->basic_rates & local->tx_rate_control;
 297         if (!basic_rates || basic_rates != local->basic_rates) {
 298                 printk(KERN_INFO "%s: updating basic rate set automatically "
 299                        "to match with the new supported rate set\n",
 300                        dev->name);
 301                 if (!basic_rates)
 302                         basic_rates = local->tx_rate_control;
 303
 304                 local->basic_rates = basic_rates;
 305                 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
 306                                     basic_rates))
 307                         printk(KERN_WARNING "%s: failed to set "
 308                                "cnfBasicRates\n", dev->name);
 309         }
 310
 311         ret = (hostap_set_word(dev, HFA384X_RID_TXRATECONTROL,
 312                                local->tx_rate_control) ||
 313                hostap_set_word(dev, HFA384X_RID_CNFSUPPORTEDRATES,
 314                                local->tx_rate_control) ||
 315                local->func->reset_port(dev));
 316
 317         if (ret) {
 318                 printk(KERN_WARNING "%s: TXRateControl/cnfSupportedRates "
 319                        "setting to 0x%x failed\n",
 320                        dev->name, local->tx_rate_control);
 321         }
 322
 323         /* Update TX rate configuration for all STAs based on new operational
 324          * rate set. */
 325         hostap_update_rates(local);
 326
 327         return ret;
 328 }
 329
 330
 331 static int prism2_ioctl_siwrate(struct net_device *dev,
 332                                 struct iw_request_info *info,
 333                                 struct iw_param *rrq, char *extra)
 334 {
 335         struct hostap_interface *iface;
 336         local_info_t *local;
 337
 338         iface = netdev_priv(dev);
 339         local = iface->local;
 340
 341         if (rrq->fixed) {
 342                 switch (rrq->value) {
 343                 case 11000000:
 344                         local->tx_rate_control = HFA384X_RATES_11MBPS;
 345                         break;
 346                 case 5500000:
 347                         local->tx_rate_control = HFA384X_RATES_5MBPS;
 348                         break;
 349                 case 2000000:
 350                         local->tx_rate_control = HFA384X_RATES_2MBPS;
 351                         break;
 352                 case 1000000:
 353                         local->tx_rate_control = HFA384X_RATES_1MBPS;
 354                         break;
 355                 default:
 356                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 357                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
 358                                 HFA384X_RATES_11MBPS;
 359                         break;
 360                 }
 361         } else {
 362                 switch (rrq->value) {
 363                 case 11000000:
 364                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 365                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
 366                                 HFA384X_RATES_11MBPS;
 367                         break;
 368                 case 5500000:
 369                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 370                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS;
 371                         break;
 372                 case 2000000:
 373                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 374                                 HFA384X_RATES_2MBPS;
 375                         break;
 376                 case 1000000:
 377                         local->tx_rate_control = HFA384X_RATES_1MBPS;
 378                         break;
 379                 default:
 380                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 381                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
 382                                 HFA384X_RATES_11MBPS;
 383                         break;
 384                 }
 385         }
 386
 387         return hostap_set_rate(dev);
 388 }
 389
 390
 391 static int prism2_ioctl_giwrate(struct net_device *dev,
 392                                 struct iw_request_info *info,
 393                                 struct iw_param *rrq, char *extra)
 394 {
 395         u16 val;
 396         struct hostap_interface *iface;
 397         local_info_t *local;
 398         int ret = 0;
 399
 400         iface = netdev_priv(dev);
 401         local = iface->local;
 402
 403         if (local->func->get_rid(dev, HFA384X_RID_TXRATECONTROL, &val, 2, 1) <
 404             0)
 405                 return -EINVAL;
 406
 407         if ((val & 0x1) && (val > 1))
 408                 rrq->fixed = 0;
 409         else
 410                 rrq->fixed = 1;
 411
 412         if (local->iw_mode == IW_MODE_MASTER && local->ap != NULL &&
 413             !local->fw_tx_rate_control) {
 414                 /* HFA384X_RID_CURRENTTXRATE seems to always be 2 Mbps in
 415                  * Host AP mode, so use the recorded TX rate of the last sent
 416                  * frame */
 417                 rrq->value = local->ap->last_tx_rate > 0 ?
 418                         local->ap->last_tx_rate * 100000 : 11000000;
 419                 return 0;
 420         }
 421
 422         if (local->func->get_rid(dev, HFA384X_RID_CURRENTTXRATE, &val, 2, 1) <
 423             0)
 424                 return -EINVAL;
 425
 426         switch (val) {
 427         case HFA384X_RATES_1MBPS:
 428                 rrq->value = 1000000;
 429                 break;
 430         case HFA384X_RATES_2MBPS:
 431                 rrq->value = 2000000;
 432                 break;
 433         case HFA384X_RATES_5MBPS:
 434                 rrq->value = 5500000;
 435                 break;
 436         case HFA384X_RATES_11MBPS:
 437                 rrq->value = 11000000;
 438                 break;
 439         default:
 440                 /* should not happen */
 441                 rrq->value = 11000000;
 442                 ret = -EINVAL;
 443                 break;
 444         }
 445
 446         return ret;
 447 }
 448
 449
 450 static int prism2_ioctl_siwsens(struct net_device *dev,
 451                                 struct iw_request_info *info,
 452                                 struct iw_param *sens, char *extra)
 453 {
 454         struct hostap_interface *iface;
 455         local_info_t *local;
 456
 457         iface = netdev_priv(dev);
 458         local = iface->local;
 459
 460         /* Set the desired AP density */
 461         if (sens->value < 1 || sens->value > 3)
 462                 return -EINVAL;
 463
 464         if (hostap_set_word(dev, HFA384X_RID_CNFSYSTEMSCALE, sens->value) ||
 465             local->func->reset_port(dev))
 466                 return -EINVAL;
 467
 468         return 0;
 469 }
 470
 471 static int prism2_ioctl_giwsens(struct net_device *dev,
 472                                 struct iw_request_info *info,
 473                                 struct iw_param *sens, char *extra)
 474 {
 475         struct hostap_interface *iface;
 476         local_info_t *local;
 477         __le16 val;
 478
 479         iface = netdev_priv(dev);
 480         local = iface->local;
 481
 482         /* Get the current AP density */
 483         if (local->func->get_rid(dev, HFA384X_RID_CNFSYSTEMSCALE, &val, 2, 1) <
 484             0)
 485                 return -EINVAL;
 486
 487         sens->value = le16_to_cpu(val);
 488         sens->fixed = 1;
 489
 490         return 0;
 491 }
 492
 493
 494 /* Deprecated in new wireless extension API */
 495 static int prism2_ioctl_giwaplist(struct net_device *dev,
 496                                   struct iw_request_info *info,
 497                                   struct iw_point *data, char *extra)
 498 {
 499         struct hostap_interface *iface;
 500         local_info_t *local;
 501         struct sockaddr *addr;
 502         struct iw_quality *qual;
 503
 504         iface = netdev_priv(dev);
 505         local = iface->local;
 506
 507         if (local->iw_mode != IW_MODE_MASTER) {
 508                 printk(KERN_DEBUG "SIOCGIWAPLIST is currently only supported "
 509                        "in Host AP mode\n");
 510                 data->length = 0;
 511                 return -EOPNOTSUPP;
 512         }
 513
 514         addr = kmalloc(sizeof(struct sockaddr) * IW_MAX_AP, GFP_KERNEL);
 515         qual = kmalloc(sizeof(struct iw_quality) * IW_MAX_AP, GFP_KERNEL);
 516         if (addr == NULL || qual == NULL) {
 517                 kfree(addr);
 518                 kfree(qual);
 519                 data->length = 0;
 520                 return -ENOMEM;
 521         }
 522
 523         data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1);
 524
 525         memcpy(extra, &addr, sizeof(struct sockaddr) * data->length);
 526         data->flags = 1; /* has quality information */
 527         memcpy(extra + sizeof(struct sockaddr) * data->length, &qual,
 528                sizeof(struct iw_quality) * data->length);
 529
 530         kfree(addr);
 531         kfree(qual);
 532         return 0;
 533 }
 534
 535
 536 static int prism2_ioctl_siwrts(struct net_device *dev,
 537                                struct iw_request_info *info,
 538                                struct iw_param *rts, char *extra)
 539 {
 540         struct hostap_interface *iface;
 541         local_info_t *local;
 542         __le16 val;
 543
 544         iface = netdev_priv(dev);
 545         local = iface->local;
 546
 547         if (rts->disabled)
 548                 val = cpu_to_le16(2347);
 549         else if (rts->value < 0 || rts->value > 2347)
 550                 return -EINVAL;
 551         else
 552                 val = cpu_to_le16(rts->value);
 553
 554         if (local->func->set_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2) ||
 555             local->func->reset_port(dev))
 556                 return -EINVAL;
 557
 558         local->rts_threshold = rts->value;
 559
 560         return 0;
 561 }
 562
 563 static int prism2_ioctl_giwrts(struct net_device *dev,
 564                                struct iw_request_info *info,
 565                                struct iw_param *rts, char *extra)
 566 {
 567         struct hostap_interface *iface;
 568         local_info_t *local;
 569         __le16 val;
 570
 571         iface = netdev_priv(dev);
 572         local = iface->local;
 573
 574         if (local->func->get_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2, 1) <
 575             0)
 576                 return -EINVAL;
 577
 578         rts->value = le16_to_cpu(val);
 579         rts->disabled = (rts->value == 2347);
 580         rts->fixed = 1;
 581
 582         return 0;
 583 }
 584
 585
 586 static int prism2_ioctl_siwfrag(struct net_device *dev,
 587                                 struct iw_request_info *info,
 588                                 struct iw_param *rts, char *extra)
 589 {
 590         struct hostap_interface *iface;
 591         local_info_t *local;
 592         __le16 val;
 593
 594         iface = netdev_priv(dev);
 595         local = iface->local;
 596
 597         if (rts->disabled)
 598                 val = cpu_to_le16(2346);
 599         else if (rts->value < 256 || rts->value > 2346)
 600                 return -EINVAL;
 601         else
 602                 val = cpu_to_le16(rts->value & ~0x1); /* even numbers only */
 603
 604         local->fragm_threshold = rts->value & ~0x1;
 605         if (local->func->set_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, &val,
 606                                  2)
 607             || local->func->reset_port(dev))
 608                 return -EINVAL;
 609
 610         return 0;
 611 }
 612
 613 static int prism2_ioctl_giwfrag(struct net_device *dev,
 614                                 struct iw_request_info *info,
 615                                 struct iw_param *rts, char *extra)
 616 {
 617         struct hostap_interface *iface;
 618         local_info_t *local;
 619         __le16 val;
 620
 621         iface = netdev_priv(dev);
 622         local = iface->local;
 623
 624         if (local->func->get_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD,
 625                                  &val, 2, 1) < 0)
 626                 return -EINVAL;
 627
 628         rts->value = le16_to_cpu(val);
 629         rts->disabled = (rts->value == 2346);
 630         rts->fixed = 1;
 631
 632         return 0;
 633 }
 634
 635
 636 #ifndef PRISM2_NO_STATION_MODES
 637 static int hostap_join_ap(struct net_device *dev)
 638 {
 639         struct hostap_interface *iface;
 640         local_info_t *local;
 641         struct hfa384x_join_request req;
 642         unsigned long flags;
 643         int i;
 644         struct hfa384x_hostscan_result *entry;
 645
 646         iface = netdev_priv(dev);
 647         local = iface->local;
 648
 649         memcpy(req.bssid, local->preferred_ap, ETH_ALEN);
 650         req.channel = 0;
 651
 652         spin_lock_irqsave(&local->lock, flags);
 653         for (i = 0; i < local->last_scan_results_count; i++) {
 654                 if (!local->last_scan_results)
 655                         break;
 656                 entry = &local->last_scan_results[i];
 657                 if (memcmp(local->preferred_ap, entry->bssid, ETH_ALEN) == 0) {
 658                         req.channel = entry->chid;
 659                         break;
 660                 }
 661         }
 662         spin_unlock_irqrestore(&local->lock, flags);
 663
 664         if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req,
 665                                  sizeof(req))) {
 666                 printk(KERN_DEBUG "%s: JoinRequest %pM failed\n",
 667                        dev->name, local->preferred_ap);
 668                 return -1;
 669         }
 670
 671         printk(KERN_DEBUG "%s: Trying to join BSSID %pM\n",
 672                dev->name, local->preferred_ap);
 673
 674         return 0;
 675 }
 676 #endif /* PRISM2_NO_STATION_MODES */
 677
 678
 679 static int prism2_ioctl_siwap(struct net_device *dev,
 680                               struct iw_request_info *info,
 681                               struct sockaddr *ap_addr, char *extra)
 682 {
 683 #ifdef PRISM2_NO_STATION_MODES
 684         return -EOPNOTSUPP;
 685 #else /* PRISM2_NO_STATION_MODES */
 686         struct hostap_interface *iface;
 687         local_info_t *local;
 688
 689         iface = netdev_priv(dev);
 690         local = iface->local;
 691
 692         memcpy(local->preferred_ap, &ap_addr->sa_data, ETH_ALEN);
 693
 694         if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) {
 695                 struct hfa384x_scan_request scan_req;
 696                 memset(&scan_req, 0, sizeof(scan_req));
 697                 scan_req.channel_list = cpu_to_le16(0x3fff);
 698                 scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
 699                 if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST,
 700                                          &scan_req, sizeof(scan_req))) {
 701                         printk(KERN_DEBUG "%s: ScanResults request failed - "
 702                                "preferred AP delayed to next unsolicited "
 703                                "scan\n", dev->name);
 704                 }
 705         } else if (local->host_roaming == 2 &&
 706                    local->iw_mode == IW_MODE_INFRA) {
 707                 if (hostap_join_ap(dev))
 708                         return -EINVAL;
 709         } else {
 710                 printk(KERN_DEBUG "%s: Preferred AP (SIOCSIWAP) is used only "
 711                        "in Managed mode when host_roaming is enabled\n",
 712                        dev->name);
 713         }
 714
 715         return 0;
 716 #endif /* PRISM2_NO_STATION_MODES */
 717 }
 718
 719 static int prism2_ioctl_giwap(struct net_device *dev,
 720                               struct iw_request_info *info,
 721                               struct sockaddr *ap_addr, char *extra)
 722 {
 723         struct hostap_interface *iface;
 724         local_info_t *local;
 725
 726         iface = netdev_priv(dev);
 727         local = iface->local;
 728
 729         ap_addr->sa_family = ARPHRD_ETHER;
 730         switch (iface->type) {
 731         case HOSTAP_INTERFACE_AP:
 732                 memcpy(&ap_addr->sa_data, dev->dev_addr, ETH_ALEN);
 733                 break;
 734         case HOSTAP_INTERFACE_STA:
 735                 memcpy(&ap_addr->sa_data, local->assoc_ap_addr, ETH_ALEN);
 736                 break;
 737         case HOSTAP_INTERFACE_WDS:
 738                 memcpy(&ap_addr->sa_data, iface->u.wds.remote_addr, ETH_ALEN);
 739                 break;
 740         default:
 741                 if (local->func->get_rid(dev, HFA384X_RID_CURRENTBSSID,
 742                                          &ap_addr->sa_data, ETH_ALEN, 1) < 0)
 743                         return -EOPNOTSUPP;
 744
 745                 /* local->bssid is also updated in LinkStatus handler when in
 746                  * station mode */
 747                 memcpy(local->bssid, &ap_addr->sa_data, ETH_ALEN);
 748                 break;
 749         }
 750
 751         return 0;
 752 }
 753
 754
 755 static int prism2_ioctl_siwnickn(struct net_device *dev,
 756                                  struct iw_request_info *info,
 757                                  struct iw_point *data, char *nickname)
 758 {
 759         struct hostap_interface *iface;
 760         local_info_t *local;
 761
 762         iface = netdev_priv(dev);
 763         local = iface->local;
 764
 765         memset(local->name, 0, sizeof(local->name));
 766         memcpy(local->name, nickname, data->length);
 767         local->name_set = 1;
 768
 769         if (hostap_set_string(dev, HFA384X_RID_CNFOWNNAME, local->name) ||
 770             local->func->reset_port(dev))
 771                 return -EINVAL;
 772
 773         return 0;
 774 }
 775
 776 static int prism2_ioctl_giwnickn(struct net_device *dev,
 777                                  struct iw_request_info *info,
 778                                  struct iw_point *data, char *nickname)
 779 {
 780         struct hostap_interface *iface;
 781         local_info_t *local;
 782         int len;
 783         char name[MAX_NAME_LEN + 3];
 784         u16 val;
 785
 786         iface = netdev_priv(dev);
 787         local = iface->local;
 788
 789         len = local->func->get_rid(dev, HFA384X_RID_CNFOWNNAME,
 790                                    &name, MAX_NAME_LEN + 2, 0);
 791         val = le16_to_cpu(*(__le16 *) name);
 792         if (len > MAX_NAME_LEN + 2 || len < 0 || val > MAX_NAME_LEN)
 793                 return -EOPNOTSUPP;
 794
 795         name[val + 2] = '\0';
 796         data->length = val + 1;
 797         memcpy(nickname, name + 2, val + 1);
 798
 799         return 0;
 800 }
 801
 802
 803 static int prism2_ioctl_siwfreq(struct net_device *dev,
 804                                 struct iw_request_info *info,
 805                                 struct iw_freq *freq, char *extra)
 806 {
 807         struct hostap_interface *iface;
 808         local_info_t *local;
 809
 810         iface = netdev_priv(dev);
 811         local = iface->local;
 812
 813         /* freq => chan. */
 814         if (freq->e == 1 &&
 815             freq->m / 100000 >= freq_list[0] &&
 816             freq->m / 100000 <= freq_list[FREQ_COUNT - 1]) {
 817                 int ch;
 818                 int fr = freq->m / 100000;
 819                 for (ch = 0; ch < FREQ_COUNT; ch++) {
 820                         if (fr == freq_list[ch]) {
 821                                 freq->e = 0;
 822                                 freq->m = ch + 1;
 823                                 break;
 824                         }
 825                 }
 826         }
 827
 828         if (freq->e != 0 || freq->m < 1 || freq->m > FREQ_COUNT ||
 829             !(local->channel_mask & (1 << (freq->m - 1))))
 830                 return -EINVAL;
 831
 832         local->channel = freq->m; /* channel is used in prism2_setup_rids() */
 833         if (hostap_set_word(dev, HFA384X_RID_CNFOWNCHANNEL, local->channel) ||
 834             local->func->reset_port(dev))
 835                 return -EINVAL;
 836
 837         return 0;
 838 }
 839
 840 static int prism2_ioctl_giwfreq(struct net_device *dev,
 841                                 struct iw_request_info *info,
 842                                 struct iw_freq *freq, char *extra)
 843 {
 844         struct hostap_interface *iface;
 845         local_info_t *local;
 846         u16 val;
 847
 848         iface = netdev_priv(dev);
 849         local = iface->local;
 850
 851         if (local->func->get_rid(dev, HFA384X_RID_CURRENTCHANNEL, &val, 2, 1) <
 852             0)
 853                 return -EINVAL;
 854
 855         le16_to_cpus(&val);
 856         if (val < 1 || val > FREQ_COUNT)
 857                 return -EINVAL;
 858
 859         freq->m = freq_list[val - 1] * 100000;
 860         freq->e = 1;
 861
 862         return 0;
 863 }
 864
 865
 866 static void hostap_monitor_set_type(local_info_t *local)
 867 {
 868         struct net_device *dev = local->ddev;
 869
 870         if (dev == NULL)
 871                 return;
 872
 873         if (local->monitor_type == PRISM2_MONITOR_PRISM ||
 874             local->monitor_type == PRISM2_MONITOR_CAPHDR) {
 875                 dev->type = ARPHRD_IEEE80211_PRISM;
 876         } else if (local->monitor_type == PRISM2_MONITOR_RADIOTAP) {
 877                 dev->type = ARPHRD_IEEE80211_RADIOTAP;
 878         } else {
 879                 dev->type = ARPHRD_IEEE80211;
 880         }
 881 }
 882
 883
 884 static int prism2_ioctl_siwessid(struct net_device *dev,
 885                                  struct iw_request_info *info,
 886                                  struct iw_point *data, char *ssid)
 887 {
 888         struct hostap_interface *iface;
 889         local_info_t *local;
 890
 891         iface = netdev_priv(dev);
 892         local = iface->local;
 893
 894         if (iface->type == HOSTAP_INTERFACE_WDS)
 895                 return -EOPNOTSUPP;
 896
 897         if (data->flags == 0)
 898                 ssid[0] = '\0'; /* ANY */
 899
 900         if (local->iw_mode == IW_MODE_MASTER && ssid[0] == '\0') {
 901                 /* Setting SSID to empty string seems to kill the card in
 902                  * Host AP mode */
 903                 printk(KERN_DEBUG "%s: Host AP mode does not support "
 904                        "'Any' essid\n", dev->name);
 905                 return -EINVAL;
 906         }
 907
 908         memcpy(local->essid, ssid, data->length);
 909         local->essid[data->length] = '\0';
 910
 911         if ((!local->fw_ap &&
 912              hostap_set_string(dev, HFA384X_RID_CNFDESIREDSSID, local->essid))
 913             || hostap_set_string(dev, HFA384X_RID_CNFOWNSSID, local->essid) ||
 914             local->func->reset_port(dev))
 915                 return -EINVAL;
 916
 917         return 0;
 918 }
 919
 920 static int prism2_ioctl_giwessid(struct net_device *dev,
 921                                  struct iw_request_info *info,
 922                                  struct iw_point *data, char *essid)
 923 {
 924         struct hostap_interface *iface;
 925         local_info_t *local;
 926         u16 val;
 927
 928         iface = netdev_priv(dev);
 929         local = iface->local;
 930
 931         if (iface->type == HOSTAP_INTERFACE_WDS)
 932                 return -EOPNOTSUPP;
 933
 934         data->flags = 1; /* active */
 935         if (local->iw_mode == IW_MODE_MASTER) {
 936                 data->length = strlen(local->essid);
 937                 memcpy(essid, local->essid, IW_ESSID_MAX_SIZE);
 938         } else {
 939                 int len;
 940                 char ssid[MAX_SSID_LEN + 2];
 941                 memset(ssid, 0, sizeof(ssid));
 942                 len = local->func->get_rid(dev, HFA384X_RID_CURRENTSSID,
 943                                            &ssid, MAX_SSID_LEN + 2, 0);
 944                 val = le16_to_cpu(*(__le16 *) ssid);
 945                 if (len > MAX_SSID_LEN + 2 || len < 0 || val > MAX_SSID_LEN) {
 946                         return -EOPNOTSUPP;
 947                 }
 948                 data->length = val;
 949                 memcpy(essid, ssid + 2, IW_ESSID_MAX_SIZE);
 950         }
 951
 952         return 0;
 953 }
 954
 955
 956 static int prism2_ioctl_giwrange(struct net_device *dev,
 957                                  struct iw_request_info *info,
 958                                  struct iw_point *data, char *extra)
 959 {
 960         struct hostap_interface *iface;
 961         local_info_t *local;
 962         struct iw_range *range = (struct iw_range *) extra;
 963         u8 rates[10];
 964         u16 val;
 965         int i, len, over2;
 966
 967         iface = netdev_priv(dev);
 968         local = iface->local;
 969
 970         data->length = sizeof(struct iw_range);
 971         memset(range, 0, sizeof(struct iw_range));
 972
 973         /* TODO: could fill num_txpower and txpower array with
 974          * something; however, there are 128 different values.. */
 975
 976         range->txpower_capa = IW_TXPOW_DBM;
 977
 978         if (local->iw_mode == IW_MODE_INFRA || local->iw_mode == IW_MODE_ADHOC)
 979         {
 980                 range->min_pmp = 1 * 1024;
 981                 range->max_pmp = 65535 * 1024;
 982                 range->min_pmt = 1 * 1024;
 983                 range->max_pmt = 1000 * 1024;
 984                 range->pmp_flags = IW_POWER_PERIOD;
 985                 range->pmt_flags = IW_POWER_TIMEOUT;
 986                 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT |
 987                         IW_POWER_UNICAST_R | IW_POWER_ALL_R;
 988         }
 989
 990         range->we_version_compiled = WIRELESS_EXT;
 991         range->we_version_source = 18;
 992
 993         range->retry_capa = IW_RETRY_LIMIT;
 994         range->retry_flags = IW_RETRY_LIMIT;
 995         range->min_retry = 0;
 996         range->max_retry = 255;
 997
 998         range->num_channels = FREQ_COUNT;
 999
1000         val = 0;
1001         for (i = 0; i < FREQ_COUNT; i++) {
1002                 if (local->channel_mask & (1 << i)) {
1003                         range->freq[val].i = i + 1;
1004                         range->freq[val].m = freq_list[i] * 100000;
1005                         range->freq[val].e = 1;
1006                         val++;
1007                 }
1008                 if (val == IW_MAX_FREQUENCIES)
1009                         break;
1010         }
1011         range->num_frequency = val;
1012
1013         if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) {
1014                 range->max_qual.qual = 70; /* what is correct max? This was not
1015                                             * documented exactly. At least
1016                                             * 69 has been observed. */
1017                 range->max_qual.level = 0; /* dB */
1018                 range->max_qual.noise = 0; /* dB */
1019
1020                 /* What would be suitable values for "average/typical" qual? */
1021                 range->avg_qual.qual = 20;
1022                 range->avg_qual.level = -60;
1023                 range->avg_qual.noise = -95;
1024         } else {
1025                 range->max_qual.qual = 92; /* 0 .. 92 */
1026                 range->max_qual.level = 154; /* 27 .. 154 */
1027                 range->max_qual.noise = 154; /* 27 .. 154 */
1028         }
1029         range->sensitivity = 3;
1030
1031         range->max_encoding_tokens = WEP_KEYS;
1032         range->num_encoding_sizes = 2;
1033         range->encoding_size[0] = 5;
1034         range->encoding_size[1] = 13;
1035
1036         over2 = 0;
1037         len = prism2_get_datarates(dev, rates);
1038         range->num_bitrates = 0;
1039         for (i = 0; i < len; i++) {
1040                 if (range->num_bitrates < IW_MAX_BITRATES) {
1041                         range->bitrate[range->num_bitrates] =
1042                                 rates[i] * 500000;
1043                         range->num_bitrates++;
1044                 }
1045                 if (rates[i] == 0x0b || rates[i] == 0x16)
1046                         over2 = 1;
1047         }
1048         /* estimated maximum TCP throughput values (bps) */
1049         range->throughput = over2 ? 5500000 : 1500000;
1050
1051         range->min_rts = 0;
1052         range->max_rts = 2347;
1053         range->min_frag = 256;
1054         range->max_frag = 2346;
1055
1056         /* Event capability (kernel + driver) */
1057         range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
1058                                 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
1059                                 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
1060                                 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
1061         range->event_capa[1] = IW_EVENT_CAPA_K_1;
1062         range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVTXDROP) |
1063                                 IW_EVENT_CAPA_MASK(IWEVCUSTOM) |
1064                                 IW_EVENT_CAPA_MASK(IWEVREGISTERED) |
1065                                 IW_EVENT_CAPA_MASK(IWEVEXPIRED));
1066
1067         range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
1068                 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
1069
1070         if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1071                 range->scan_capa = IW_SCAN_CAPA_ESSID;
1072
1073         return 0;
1074 }
1075
1076
1077 static int hostap_monitor_mode_enable(local_info_t *local)
1078 {
1079         struct net_device *dev = local->dev;
1080
1081         printk(KERN_DEBUG "Enabling monitor mode\n");
1082         hostap_monitor_set_type(local);
1083
1084         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1085                             HFA384X_PORTTYPE_PSEUDO_IBSS)) {
1086                 printk(KERN_DEBUG "Port type setting for monitor mode "
1087                        "failed\n");
1088                 return -EOPNOTSUPP;
1089         }
1090
1091         /* Host decrypt is needed to get the IV and ICV fields;
1092          * however, monitor mode seems to remove WEP flag from frame
1093          * control field */
1094         if (hostap_set_word(dev, HFA384X_RID_CNFWEPFLAGS,
1095                             HFA384X_WEPFLAGS_HOSTENCRYPT |
1096                             HFA384X_WEPFLAGS_HOSTDECRYPT)) {
1097                 printk(KERN_DEBUG "WEP flags setting failed\n");
1098                 return -EOPNOTSUPP;
1099         }
1100
1101         if (local->func->reset_port(dev) ||
1102             local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1103                              (HFA384X_TEST_MONITOR << 8),
1104                              0, NULL, NULL)) {
1105                 printk(KERN_DEBUG "Setting monitor mode failed\n");
1106                 return -EOPNOTSUPP;
1107         }
1108
1109         return 0;
1110 }
1111
1112
1113 static int hostap_monitor_mode_disable(local_info_t *local)
1114 {
1115         struct net_device *dev = local->ddev;
1116
1117         if (dev == NULL)
1118                 return -1;
1119
1120         printk(KERN_DEBUG "%s: Disabling monitor mode\n", dev->name);
1121         dev->type = ARPHRD_ETHER;
1122
1123         if (local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1124                              (HFA384X_TEST_STOP << 8),
1125                              0, NULL, NULL))
1126                 return -1;
1127         return hostap_set_encryption(local);
1128 }
1129
1130
1131 static int prism2_ioctl_siwmode(struct net_device *dev,
1132                                 struct iw_request_info *info,
1133                                 __u32 *mode, char *extra)
1134 {
1135         struct hostap_interface *iface;
1136         local_info_t *local;
1137         int double_reset = 0;
1138
1139         iface = netdev_priv(dev);
1140         local = iface->local;
1141
1142         if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA &&
1143             *mode != IW_MODE_MASTER && *mode != IW_MODE_REPEAT &&
1144             *mode != IW_MODE_MONITOR)
1145                 return -EOPNOTSUPP;
1146
1147 #ifdef PRISM2_NO_STATION_MODES
1148         if (*mode == IW_MODE_ADHOC || *mode == IW_MODE_INFRA)
1149                 return -EOPNOTSUPP;
1150 #endif /* PRISM2_NO_STATION_MODES */
1151
1152         if (*mode == local->iw_mode)
1153                 return 0;
1154
1155         if (*mode == IW_MODE_MASTER && local->essid[0] == '\0') {
1156                 printk(KERN_WARNING "%s: empty SSID not allowed in Master "
1157                        "mode\n", dev->name);
1158                 return -EINVAL;
1159         }
1160
1161         if (local->iw_mode == IW_MODE_MONITOR)
1162                 hostap_monitor_mode_disable(local);
1163
1164         if ((local->iw_mode == IW_MODE_ADHOC ||
1165              local->iw_mode == IW_MODE_MONITOR) && *mode == IW_MODE_MASTER) {
1166                 /* There seems to be a firmware bug in at least STA f/w v1.5.6
1167                  * that leaves beacon frames to use IBSS type when moving from
1168                  * IBSS to Host AP mode. Doing double Port0 reset seems to be
1169                  * enough to workaround this. */
1170                 double_reset = 1;
1171         }
1172
1173         printk(KERN_DEBUG "prism2: %s: operating mode changed "
1174                "%d -> %d\n", dev->name, local->iw_mode, *mode);
1175         local->iw_mode = *mode;
1176
1177         if (local->iw_mode == IW_MODE_MONITOR)
1178                 hostap_monitor_mode_enable(local);
1179         else if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt &&
1180                  !local->fw_encrypt_ok) {
1181                 printk(KERN_DEBUG "%s: defaulting to host-based encryption as "
1182                        "a workaround for firmware bug in Host AP mode WEP\n",
1183                        dev->name);
1184                 local->host_encrypt = 1;
1185         }
1186
1187         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1188                             hostap_get_porttype(local)))
1189                 return -EOPNOTSUPP;
1190
1191         if (local->func->reset_port(dev))
1192                 return -EINVAL;
1193         if (double_reset && local->func->reset_port(dev))
1194                 return -EINVAL;
1195
1196         if (local->iw_mode != IW_MODE_INFRA && local->iw_mode != IW_MODE_ADHOC)
1197         {
1198                 /* netif_carrier is used only in client modes for now, so make
1199                  * sure carrier is on when moving to non-client modes. */
1200                 netif_carrier_on(local->dev);
1201                 netif_carrier_on(local->ddev);
1202         }
1203         return 0;
1204 }
1205
1206
1207 static int prism2_ioctl_giwmode(struct net_device *dev,
1208                                 struct iw_request_info *info,
1209                                 __u32 *mode, char *extra)
1210 {
1211         struct hostap_interface *iface;
1212         local_info_t *local;
1213
1214         iface = netdev_priv(dev);
1215         local = iface->local;
1216
1217         switch (iface->type) {
1218         case HOSTAP_INTERFACE_STA:
1219                 *mode = IW_MODE_INFRA;
1220                 break;
1221         case HOSTAP_INTERFACE_WDS:
1222                 *mode = IW_MODE_REPEAT;
1223                 break;
1224         default:
1225                 *mode = local->iw_mode;
1226                 break;
1227         }
1228         return 0;
1229 }
1230
1231
1232 static int prism2_ioctl_siwpower(struct net_device *dev,
1233                                  struct iw_request_info *info,
1234                                  struct iw_param *wrq, char *extra)
1235 {
1236 #ifdef PRISM2_NO_STATION_MODES
1237         return -EOPNOTSUPP;
1238 #else /* PRISM2_NO_STATION_MODES */
1239         int ret = 0;
1240
1241         if (wrq->disabled)
1242                 return hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 0);
1243
1244         switch (wrq->flags & IW_POWER_MODE) {
1245         case IW_POWER_UNICAST_R:
1246                 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 0);
1247                 if (ret)
1248                         return ret;
1249                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1250                 if (ret)
1251                         return ret;
1252                 break;
1253         case IW_POWER_ALL_R:
1254                 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 1);
1255                 if (ret)
1256                         return ret;
1257                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1258                 if (ret)
1259                         return ret;
1260                 break;
1261         case IW_POWER_ON:
1262                 break;
1263         default:
1264                 return -EINVAL;
1265         }
1266
1267         if (wrq->flags & IW_POWER_TIMEOUT) {
1268                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1269                 if (ret)
1270                         return ret;
1271                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMHOLDOVERDURATION,
1272                                       wrq->value / 1024);
1273                 if (ret)
1274                         return ret;
1275         }
1276         if (wrq->flags & IW_POWER_PERIOD) {
1277                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1278                 if (ret)
1279                         return ret;
1280                 ret = hostap_set_word(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1281                                       wrq->value / 1024);
1282                 if (ret)
1283                         return ret;
1284         }
1285
1286         return ret;
1287 #endif /* PRISM2_NO_STATION_MODES */
1288 }
1289
1290
1291 static int prism2_ioctl_giwpower(struct net_device *dev,
1292                                  struct iw_request_info *info,
1293                                  struct iw_param *rrq, char *extra)
1294 {
1295 #ifdef PRISM2_NO_STATION_MODES
1296         return -EOPNOTSUPP;
1297 #else /* PRISM2_NO_STATION_MODES */
1298         struct hostap_interface *iface;
1299         local_info_t *local;
1300         __le16 enable, mcast;
1301
1302         iface = netdev_priv(dev);
1303         local = iface->local;
1304
1305         if (local->func->get_rid(dev, HFA384X_RID_CNFPMENABLED, &enable, 2, 1)
1306             < 0)
1307                 return -EINVAL;
1308
1309         if (!le16_to_cpu(enable)) {
1310                 rrq->disabled = 1;
1311                 return 0;
1312         }
1313
1314         rrq->disabled = 0;
1315
1316         if ((rrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
1317                 __le16 timeout;
1318                 if (local->func->get_rid(dev,
1319                                          HFA384X_RID_CNFPMHOLDOVERDURATION,
1320                                          &timeout, 2, 1) < 0)
1321                         return -EINVAL;
1322
1323                 rrq->flags = IW_POWER_TIMEOUT;
1324                 rrq->value = le16_to_cpu(timeout) * 1024;
1325         } else {
1326                 __le16 period;
1327                 if (local->func->get_rid(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1328                                          &period, 2, 1) < 0)
1329                         return -EINVAL;
1330
1331                 rrq->flags = IW_POWER_PERIOD;
1332                 rrq->value = le16_to_cpu(period) * 1024;
1333         }
1334
1335         if (local->func->get_rid(dev, HFA384X_RID_CNFMULTICASTRECEIVE, &mcast,
1336                                  2, 1) < 0)
1337                 return -EINVAL;
1338
1339         if (le16_to_cpu(mcast))
1340                 rrq->flags |= IW_POWER_ALL_R;
1341         else
1342                 rrq->flags |= IW_POWER_UNICAST_R;
1343
1344         return 0;
1345 #endif /* PRISM2_NO_STATION_MODES */
1346 }
1347
1348
1349 static int prism2_ioctl_siwretry(struct net_device *dev,
1350                                  struct iw_request_info *info,
1351                                  struct iw_param *rrq, char *extra)
1352 {
1353         struct hostap_interface *iface;
1354         local_info_t *local;
1355
1356         iface = netdev_priv(dev);
1357         local = iface->local;
1358
1359         if (rrq->disabled)
1360                 return -EINVAL;
1361
1362         /* setting retry limits is not supported with the current station
1363          * firmware code; simulate this with alternative retry count for now */
1364         if (rrq->flags == IW_RETRY_LIMIT) {
1365                 if (rrq->value < 0) {
1366                         /* disable manual retry count setting and use firmware
1367                          * defaults */
1368                         local->manual_retry_count = -1;
1369                         local->tx_control &= ~HFA384X_TX_CTRL_ALT_RTRY;
1370                 } else {
1371                         if (hostap_set_word(dev, HFA384X_RID_CNFALTRETRYCOUNT,
1372                                             rrq->value)) {
1373                                 printk(KERN_DEBUG "%s: Alternate retry count "
1374                                        "setting to %d failed\n",
1375                                        dev->name, rrq->value);
1376                                 return -EOPNOTSUPP;
1377                         }
1378
1379                         local->manual_retry_count = rrq->value;
1380                         local->tx_control |= HFA384X_TX_CTRL_ALT_RTRY;
1381                 }
1382                 return 0;
1383         }
1384
1385         return -EOPNOTSUPP;
1386
1387 #if 0
1388         /* what could be done, if firmware would support this.. */
1389
1390         if (rrq->flags & IW_RETRY_LIMIT) {
1391                 if (rrq->flags & IW_RETRY_LONG)
1392                         HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1393                 else if (rrq->flags & IW_RETRY_SHORT)
1394                         HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1395                 else {
1396                         HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1397                         HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1398                 }
1399
1400         }
1401
1402         if (rrq->flags & IW_RETRY_LIFETIME) {
1403                 HFA384X_RID_MAXTRANSMITLIFETIME = rrq->value / 1024;
1404         }
1405
1406         return 0;
1407 #endif /* 0 */
1408 }
1409
1410 static int prism2_ioctl_giwretry(struct net_device *dev,
1411                                  struct iw_request_info *info,
1412                                  struct iw_param *rrq, char *extra)
1413 {
1414         struct hostap_interface *iface;
1415         local_info_t *local;
1416         __le16 shortretry, longretry, lifetime, altretry;
1417
1418         iface = netdev_priv(dev);
1419         local = iface->local;
1420
1421         if (local->func->get_rid(dev, HFA384X_RID_SHORTRETRYLIMIT, &shortretry,
1422                                  2, 1) < 0 ||
1423             local->func->get_rid(dev, HFA384X_RID_LONGRETRYLIMIT, &longretry,
1424                                  2, 1) < 0 ||
1425             local->func->get_rid(dev, HFA384X_RID_MAXTRANSMITLIFETIME,
1426                                  &lifetime, 2, 1) < 0)
1427                 return -EINVAL;
1428
1429         rrq->disabled = 0;
1430
1431         if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
1432                 rrq->flags = IW_RETRY_LIFETIME;
1433                 rrq->value = le16_to_cpu(lifetime) * 1024;
1434         } else {
1435                 if (local->manual_retry_count >= 0) {
1436                         rrq->flags = IW_RETRY_LIMIT;
1437                         if (local->func->get_rid(dev,
1438                                                  HFA384X_RID_CNFALTRETRYCOUNT,
1439                                                  &altretry, 2, 1) >= 0)
1440                                 rrq->value = le16_to_cpu(altretry);
1441                         else
1442                                 rrq->value = local->manual_retry_count;
1443                 } else if ((rrq->flags & IW_RETRY_LONG)) {
1444                         rrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
1445                         rrq->value = le16_to_cpu(longretry);
1446                 } else {
1447                         rrq->flags = IW_RETRY_LIMIT;
1448                         rrq->value = le16_to_cpu(shortretry);
1449                         if (shortretry != longretry)
1450                                 rrq->flags |= IW_RETRY_SHORT;
1451                 }
1452         }
1453         return 0;
1454 }
1455
1456
1457 /* Note! This TX power controlling is experimental and should not be used in
1458  * production use. It just sets raw power register and does not use any kind of
1459  * feedback information from the measured TX power (CR58). This is now
1460  * commented out to make sure that it is not used by accident. TX power
1461  * configuration will be enabled again after proper algorithm using feedback
1462  * has been implemented. */
1463
1464 #ifdef RAW_TXPOWER_SETTING
1465 /* Map HFA386x's CR31 to and from dBm with some sort of ad hoc mapping..
1466  * This version assumes following mapping:
1467  * CR31 is 7-bit value with -64 to +63 range.
1468  * -64 is mapped into +20dBm and +63 into -43dBm.
1469  * This is certainly not an exact mapping for every card, but at least
1470  * increasing dBm value should correspond to increasing TX power.
1471  */
1472
1473 static int prism2_txpower_hfa386x_to_dBm(u16 val)
1474 {
1475         signed char tmp;
1476
1477         if (val > 255)
1478                 val = 255;
1479
1480         tmp = val;
1481         tmp >>= 2;
1482
1483         return -12 - tmp;
1484 }
1485
1486 static u16 prism2_txpower_dBm_to_hfa386x(int val)
1487 {
1488         signed char tmp;
1489
1490         if (val > 20)
1491                 return 128;
1492         else if (val < -43)
1493                 return 127;
1494
1495         tmp = val;
1496         tmp = -12 - tmp;
1497         tmp <<= 2;
1498
1499         return (unsigned char) tmp;
1500 }
1501 #endif /* RAW_TXPOWER_SETTING */
1502
1503
1504 static int prism2_ioctl_siwtxpow(struct net_device *dev,
1505                                  struct iw_request_info *info,
1506                                  struct iw_param *rrq, char *extra)
1507 {
1508         struct hostap_interface *iface;
1509         local_info_t *local;
1510 #ifdef RAW_TXPOWER_SETTING
1511         char *tmp;
1512 #endif
1513         u16 val;
1514         int ret = 0;
1515
1516         iface = netdev_priv(dev);
1517         local = iface->local;
1518
1519         if (rrq->disabled) {
1520                 if (local->txpower_type != PRISM2_TXPOWER_OFF) {
1521                         val = 0xff; /* use all standby and sleep modes */
1522                         ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1523                                                HFA386X_CR_A_D_TEST_MODES2,
1524                                                &val, NULL);
1525                         printk(KERN_DEBUG "%s: Turning radio off: %s\n",
1526                                dev->name, ret ? "failed" : "OK");
1527                         local->txpower_type = PRISM2_TXPOWER_OFF;
1528                 }
1529                 return (ret ? -EOPNOTSUPP : 0);
1530         }
1531
1532         if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1533                 val = 0; /* disable all standby and sleep modes */
1534                 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1535                                        HFA386X_CR_A_D_TEST_MODES2, &val, NULL);
1536                 printk(KERN_DEBUG "%s: Turning radio on: %s\n",
1537                        dev->name, ret ? "failed" : "OK");
1538                 local->txpower_type = PRISM2_TXPOWER_UNKNOWN;
1539         }
1540
1541 #ifdef RAW_TXPOWER_SETTING
1542         if (!rrq->fixed && local->txpower_type != PRISM2_TXPOWER_AUTO) {
1543                 printk(KERN_DEBUG "Setting ALC on\n");
1544                 val = HFA384X_TEST_CFG_BIT_ALC;
1545                 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1546                                  (HFA384X_TEST_CFG_BITS << 8), 1, &val, NULL);
1547                 local->txpower_type = PRISM2_TXPOWER_AUTO;
1548                 return 0;
1549         }
1550
1551         if (local->txpower_type != PRISM2_TXPOWER_FIXED) {
1552                 printk(KERN_DEBUG "Setting ALC off\n");
1553                 val = HFA384X_TEST_CFG_BIT_ALC;
1554                 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1555                                  (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
1556                         local->txpower_type = PRISM2_TXPOWER_FIXED;
1557         }
1558
1559         if (rrq->flags == IW_TXPOW_DBM)
1560                 tmp = "dBm";
1561         else if (rrq->flags == IW_TXPOW_MWATT)
1562                 tmp = "mW";
1563         else
1564                 tmp = "UNKNOWN";
1565         printk(KERN_DEBUG "Setting TX power to %d %s\n", rrq->value, tmp);
1566
1567         if (rrq->flags != IW_TXPOW_DBM) {
1568                 printk("SIOCSIWTXPOW with mW is not supported; use dBm\n");
1569                 return -EOPNOTSUPP;
1570         }
1571
1572         local->txpower = rrq->value;
1573         val = prism2_txpower_dBm_to_hfa386x(local->txpower);
1574         if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1575                              HFA386X_CR_MANUAL_TX_POWER, &val, NULL))
1576                 ret = -EOPNOTSUPP;
1577 #else /* RAW_TXPOWER_SETTING */
1578         if (rrq->fixed)
1579                 ret = -EOPNOTSUPP;
1580 #endif /* RAW_TXPOWER_SETTING */
1581
1582         return ret;
1583 }
1584
1585 static int prism2_ioctl_giwtxpow(struct net_device *dev,
1586                                  struct iw_request_info *info,
1587                                  struct iw_param *rrq, char *extra)
1588 {
1589 #ifdef RAW_TXPOWER_SETTING
1590         struct hostap_interface *iface;
1591         local_info_t *local;
1592         u16 resp0;
1593
1594         iface = netdev_priv(dev);
1595         local = iface->local;
1596
1597         rrq->flags = IW_TXPOW_DBM;
1598         rrq->disabled = 0;
1599         rrq->fixed = 0;
1600
1601         if (local->txpower_type == PRISM2_TXPOWER_AUTO) {
1602                 if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF,
1603                                      HFA386X_CR_MANUAL_TX_POWER,
1604                                      NULL, &resp0) == 0) {
1605                         rrq->value = prism2_txpower_hfa386x_to_dBm(resp0);
1606                 } else {
1607                         /* Could not get real txpower; guess 15 dBm */
1608                         rrq->value = 15;
1609                 }
1610         } else if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1611                 rrq->value = 0;
1612                 rrq->disabled = 1;
1613         } else if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
1614                 rrq->value = local->txpower;
1615                 rrq->fixed = 1;
1616         } else {
1617                 printk("SIOCGIWTXPOW - unknown txpower_type=%d\n",
1618                        local->txpower_type);
1619         }
1620         return 0;
1621 #else /* RAW_TXPOWER_SETTING */
1622         return -EOPNOTSUPP;
1623 #endif /* RAW_TXPOWER_SETTING */
1624 }
1625
1626
1627 #ifndef PRISM2_NO_STATION_MODES
1628
1629 /* HostScan request works with and without host_roaming mode. In addition, it
1630  * does not break current association. However, it requires newer station
1631  * firmware version (>= 1.3.1) than scan request. */
1632 static int prism2_request_hostscan(struct net_device *dev,
1633                                    u8 *ssid, u8 ssid_len)
1634 {
1635         struct hostap_interface *iface;
1636         local_info_t *local;
1637         struct hfa384x_hostscan_request scan_req;
1638
1639         iface = netdev_priv(dev);
1640         local = iface->local;
1641
1642         memset(&scan_req, 0, sizeof(scan_req));
1643         scan_req.channel_list = cpu_to_le16(local->channel_mask &
1644                                             local->scan_channel_mask);
1645         scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
1646         if (ssid) {
1647                 if (ssid_len > 32)
1648                         return -EINVAL;
1649                 scan_req.target_ssid_len = cpu_to_le16(ssid_len);
1650                 memcpy(scan_req.target_ssid, ssid, ssid_len);
1651         }
1652
1653         if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
1654                                  sizeof(scan_req))) {
1655                 printk(KERN_DEBUG "%s: HOSTSCAN failed\n", dev->name);
1656                 return -EINVAL;
1657         }
1658         return 0;
1659 }
1660
1661
1662 static int prism2_request_scan(struct net_device *dev)
1663 {
1664         struct hostap_interface *iface;
1665         local_info_t *local;
1666         struct hfa384x_scan_request scan_req;
1667         int ret = 0;
1668
1669         iface = netdev_priv(dev);
1670         local = iface->local;
1671
1672         memset(&scan_req, 0, sizeof(scan_req));
1673         scan_req.channel_list = cpu_to_le16(local->channel_mask &
1674                                             local->scan_channel_mask);
1675         scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
1676
1677         /* FIX:
1678          * It seems to be enough to set roaming mode for a short moment to
1679          * host-based and then setup scanrequest data and return the mode to
1680          * firmware-based.
1681          *
1682          * Master mode would need to drop to Managed mode for a short while
1683          * to make scanning work.. Or sweep through the different channels and
1684          * use passive scan based on beacons. */
1685
1686         if (!local->host_roaming)
1687                 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1688                                 HFA384X_ROAMING_HOST);
1689
1690         if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, &scan_req,
1691                                  sizeof(scan_req))) {
1692                 printk(KERN_DEBUG "SCANREQUEST failed\n");
1693                 ret = -EINVAL;
1694         }
1695
1696         if (!local->host_roaming)
1697                 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1698                                 HFA384X_ROAMING_FIRMWARE);
1699
1700         return ret;
1701 }
1702
1703 #else /* !PRISM2_NO_STATION_MODES */
1704
1705 static inline int prism2_request_hostscan(struct net_device *dev,
1706                                           u8 *ssid, u8 ssid_len)
1707 {
1708         return -EOPNOTSUPP;
1709 }
1710
1711
1712 static inline int prism2_request_scan(struct net_device *dev)
1713 {
1714         return -EOPNOTSUPP;
1715 }
1716
1717 #endif /* !PRISM2_NO_STATION_MODES */
1718
1719
1720 static int prism2_ioctl_siwscan(struct net_device *dev,
1721                                 struct iw_request_info *info,
1722                                 struct iw_point *data, char *extra)
1723 {
1724         struct hostap_interface *iface;
1725         local_info_t *local;
1726         int ret;
1727         u8 *ssid = NULL, ssid_len = 0;
1728         struct iw_scan_req *req = (struct iw_scan_req *) extra;
1729
1730         iface = netdev_priv(dev);
1731         local = iface->local;
1732
1733         if (data->length < sizeof(struct iw_scan_req))
1734                 req = NULL;
1735
1736         if (local->iw_mode == IW_MODE_MASTER) {
1737                 /* In master mode, we just return the results of our local
1738                  * tables, so we don't need to start anything...
1739                  * Jean II */
1740                 data->length = 0;
1741                 return 0;
1742         }
1743
1744         if (!local->dev_enabled)
1745                 return -ENETDOWN;
1746
1747         if (req && data->flags & IW_SCAN_THIS_ESSID) {
1748                 ssid = req->essid;
1749                 ssid_len = req->essid_len;
1750
1751                 if (ssid_len &&
1752                     ((local->iw_mode != IW_MODE_INFRA &&
1753                       local->iw_mode != IW_MODE_ADHOC) ||
1754                      (local->sta_fw_ver < PRISM2_FW_VER(1,3,1))))
1755                         return -EOPNOTSUPP;
1756         }
1757
1758         if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1759                 ret = prism2_request_hostscan(dev, ssid, ssid_len);
1760         else
1761                 ret = prism2_request_scan(dev);
1762
1763         if (ret == 0)
1764                 local->scan_timestamp = jiffies;
1765
1766         /* Could inquire F101, F103 or wait for SIOCGIWSCAN and read RID */
1767
1768         return ret;
1769 }
1770
1771
1772 #ifndef PRISM2_NO_STATION_MODES
1773 static char * __prism2_translate_scan(local_info_t *local,
1774                                       struct iw_request_info *info,
1775                                       struct hfa384x_hostscan_result *scan,
1776                                       struct hostap_bss_info *bss,
1777                                       char *current_ev, char *end_buf)
1778 {
1779         int i, chan;
1780         struct iw_event iwe;
1781         char *current_val;
1782         u16 capabilities;
1783         u8 *pos;
1784         u8 *ssid, *bssid;
1785         size_t ssid_len;
1786         char *buf;
1787
1788         if (bss) {
1789                 ssid = bss->ssid;
1790                 ssid_len = bss->ssid_len;
1791                 bssid = bss->bssid;
1792         } else {
1793                 ssid = scan->ssid;
1794                 ssid_len = le16_to_cpu(scan->ssid_len);
1795                 bssid = scan->bssid;
1796         }
1797         if (ssid_len > 32)
1798                 ssid_len = 32;
1799
1800         /* First entry *MUST* be the AP MAC address */
1801         memset(&iwe, 0, sizeof(iwe));
1802         iwe.cmd = SIOCGIWAP;
1803         iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1804         memcpy(iwe.u.ap_addr.sa_data, bssid, ETH_ALEN);
1805         current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
1806                                           IW_EV_ADDR_LEN);
1807
1808         /* Other entries will be displayed in the order we give them */
1809
1810         memset(&iwe, 0, sizeof(iwe));
1811         iwe.cmd = SIOCGIWESSID;
1812         iwe.u.data.length = ssid_len;
1813         iwe.u.data.flags = 1;
1814         current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1815                                           &iwe, ssid);
1816
1817         memset(&iwe, 0, sizeof(iwe));
1818         iwe.cmd = SIOCGIWMODE;
1819         if (bss) {
1820                 capabilities = bss->capab_info;
1821         } else {
1822                 capabilities = le16_to_cpu(scan->capability);
1823         }
1824         if (capabilities & (WLAN_CAPABILITY_ESS |
1825                             WLAN_CAPABILITY_IBSS)) {
1826                 if (capabilities & WLAN_CAPABILITY_ESS)
1827                         iwe.u.mode = IW_MODE_MASTER;
1828                 else
1829                         iwe.u.mode = IW_MODE_ADHOC;
1830                 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1831                                                   &iwe, IW_EV_UINT_LEN);
1832         }
1833
1834         memset(&iwe, 0, sizeof(iwe));
1835         iwe.cmd = SIOCGIWFREQ;
1836         if (scan) {
1837                 chan = le16_to_cpu(scan->chid);
1838         } else if (bss) {
1839                 chan = bss->chan;
1840         } else {
1841                 chan = 0;
1842         }
1843
1844         if (chan > 0) {
1845                 iwe.u.freq.m = freq_list[chan - 1] * 100000;
1846                 iwe.u.freq.e = 1;
1847                 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1848                                                   &iwe, IW_EV_FREQ_LEN);
1849         }
1850
1851         if (scan) {
1852                 memset(&iwe, 0, sizeof(iwe));
1853                 iwe.cmd = IWEVQUAL;
1854                 if (local->last_scan_type == PRISM2_HOSTSCAN) {
1855                         iwe.u.qual.level = le16_to_cpu(scan->sl);
1856                         iwe.u.qual.noise = le16_to_cpu(scan->anl);
1857                 } else {
1858                         iwe.u.qual.level =
1859                                 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->sl));
1860                         iwe.u.qual.noise =
1861                                 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl));
1862                 }
1863                 iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED
1864                         | IW_QUAL_NOISE_UPDATED
1865                         | IW_QUAL_QUAL_INVALID
1866                         | IW_QUAL_DBM;
1867                 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1868                                                   &iwe, IW_EV_QUAL_LEN);
1869         }
1870
1871         memset(&iwe, 0, sizeof(iwe));
1872         iwe.cmd = SIOCGIWENCODE;
1873         if (capabilities & WLAN_CAPABILITY_PRIVACY)
1874                 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
1875         else
1876                 iwe.u.data.flags = IW_ENCODE_DISABLED;
1877         iwe.u.data.length = 0;
1878         current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, "");
1879
1880         /* TODO: add SuppRates into BSS table */
1881         if (scan) {
1882                 memset(&iwe, 0, sizeof(iwe));
1883                 iwe.cmd = SIOCGIWRATE;
1884                 current_val = current_ev + iwe_stream_lcp_len(info);
1885                 pos = scan->sup_rates;
1886                 for (i = 0; i < sizeof(scan->sup_rates); i++) {
1887                         if (pos[i] == 0)
1888                                 break;
1889                         /* Bit rate given in 500 kb/s units (+ 0x80) */
1890                         iwe.u.bitrate.value = ((pos[i] & 0x7f) * 500000);
1891                         current_val = iwe_stream_add_value(
1892                                 info, current_ev, current_val, end_buf, &iwe,
1893                                 IW_EV_PARAM_LEN);
1894                 }
1895                 /* Check if we added any event */
1896                 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
1897                         current_ev = current_val;
1898         }
1899
1900         /* TODO: add BeaconInt,resp_rate,atim into BSS table */
1901         buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_ATOMIC);
1902         if (buf && scan) {
1903                 memset(&iwe, 0, sizeof(iwe));
1904                 iwe.cmd = IWEVCUSTOM;
1905                 sprintf(buf, "bcn_int=%d", le16_to_cpu(scan->beacon_interval));
1906                 iwe.u.data.length = strlen(buf);
1907                 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1908                                                   &iwe, buf);
1909
1910                 memset(&iwe, 0, sizeof(iwe));
1911                 iwe.cmd = IWEVCUSTOM;
1912                 sprintf(buf, "resp_rate=%d", le16_to_cpu(scan->rate));
1913                 iwe.u.data.length = strlen(buf);
1914                 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1915                                                   &iwe, buf);
1916
1917                 if (local->last_scan_type == PRISM2_HOSTSCAN &&
1918                     (capabilities & WLAN_CAPABILITY_IBSS)) {
1919                         memset(&iwe, 0, sizeof(iwe));
1920                         iwe.cmd = IWEVCUSTOM;
1921                         sprintf(buf, "atim=%d", le16_to_cpu(scan->atim));
1922                         iwe.u.data.length = strlen(buf);
1923                         current_ev = iwe_stream_add_point(info, current_ev,
1924                                                           end_buf, &iwe, buf);
1925                 }
1926         }
1927         kfree(buf);
1928
1929         if (bss && bss->wpa_ie_len > 0 && bss->wpa_ie_len <= MAX_WPA_IE_LEN) {
1930                 memset(&iwe, 0, sizeof(iwe));
1931                 iwe.cmd = IWEVGENIE;
1932                 iwe.u.data.length = bss->wpa_ie_len;
1933                 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1934                                                   &iwe, bss->wpa_ie);
1935         }
1936
1937         if (bss && bss->rsn_ie_len > 0 && bss->rsn_ie_len <= MAX_WPA_IE_LEN) {
1938                 memset(&iwe, 0, sizeof(iwe));
1939                 iwe.cmd = IWEVGENIE;
1940                 iwe.u.data.length = bss->rsn_ie_len;
1941                 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1942                                                   &iwe, bss->rsn_ie);
1943         }
1944
1945         return current_ev;
1946 }
1947
1948
1949 /* Translate scan data returned from the card to a card independent
1950  * format that the Wireless Tools will understand - Jean II */
1951 static inline int prism2_translate_scan(local_info_t *local,
1952                                         struct iw_request_info *info,
1953                                         char *buffer, int buflen)
1954 {
1955         struct hfa384x_hostscan_result *scan;
1956         int entry, hostscan;
1957         char *current_ev = buffer;
1958         char *end_buf = buffer + buflen;
1959         struct list_head *ptr;
1960
1961         spin_lock_bh(&local->lock);
1962
1963         list_for_each(ptr, &local->bss_list) {
1964                 struct hostap_bss_info *bss;
1965                 bss = list_entry(ptr, struct hostap_bss_info, list);
1966                 bss->included = 0;
1967         }
1968
1969         hostscan = local->last_scan_type == PRISM2_HOSTSCAN;
1970         for (entry = 0; entry < local->last_scan_results_count; entry++) {
1971                 int found = 0;
1972                 scan = &local->last_scan_results[entry];
1973
1974                 /* Report every SSID if the AP is using multiple SSIDs. If no
1975                  * BSS record is found (e.g., when WPA mode is disabled),
1976                  * report the AP once. */
1977                 list_for_each(ptr, &local->bss_list) {
1978                         struct hostap_bss_info *bss;
1979                         bss = list_entry(ptr, struct hostap_bss_info, list);
1980                         if (memcmp(bss->bssid, scan->bssid, ETH_ALEN) == 0) {
1981                                 bss->included = 1;
1982                                 current_ev = __prism2_translate_scan(
1983                                         local, info, scan, bss, current_ev,
1984                                         end_buf);
1985                                 found++;
1986                         }
1987                 }
1988                 if (!found) {
1989                         current_ev = __prism2_translate_scan(
1990                                 local, info, scan, NULL, current_ev, end_buf);
1991                 }
1992                 /* Check if there is space for one more entry */
1993                 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
1994                         /* Ask user space to try again with a bigger buffer */
1995                         spin_unlock_bh(&local->lock);
1996                         return -E2BIG;
1997                 }
1998         }
1999
2000         /* Prism2 firmware has limits (32 at least in some versions) for number
2001          * of BSSes in scan results. Extend this limit by using local BSS list.
2002          */
2003         list_for_each(ptr, &local->bss_list) {
2004                 struct hostap_bss_info *bss;
2005                 bss = list_entry(ptr, struct hostap_bss_info, list);
2006                 if (bss->included)
2007                         continue;
2008                 current_ev = __prism2_translate_scan(local, info, NULL, bss,
2009                                                      current_ev, end_buf);
2010                 /* Check if there is space for one more entry */
2011                 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2012                         /* Ask user space to try again with a bigger buffer */
2013                         spin_unlock_bh(&local->lock);
2014                         return -E2BIG;
2015                 }
2016         }
2017
2018         spin_unlock_bh(&local->lock);
2019
2020         return current_ev - buffer;
2021 }
2022 #endif /* PRISM2_NO_STATION_MODES */
2023
2024
2025 static inline int prism2_ioctl_giwscan_sta(struct net_device *dev,
2026                                            struct iw_request_info *info,
2027                                            struct iw_point *data, char *extra)
2028 {
2029 #ifdef PRISM2_NO_STATION_MODES
2030         return -EOPNOTSUPP;
2031 #else /* PRISM2_NO_STATION_MODES */
2032         struct hostap_interface *iface;
2033         local_info_t *local;
2034         int res;
2035
2036         iface = netdev_priv(dev);
2037         local = iface->local;
2038
2039         /* Wait until the scan is finished. We can probably do better
2040          * than that - Jean II */
2041         if (local->scan_timestamp &&
2042             time_before(jiffies, local->scan_timestamp + 3 * HZ)) {
2043                 /* Important note : we don't want to block the caller
2044                  * until results are ready for various reasons.
2045                  * First, managing wait queues is complex and racy
2046                  * (there may be multiple simultaneous callers).
2047                  * Second, we grab some rtnetlink lock before coming
2048                  * here (in dev_ioctl()).
2049                  * Third, the caller can wait on the Wireless Event
2050                  * - Jean II */
2051                 return -EAGAIN;
2052         }
2053         local->scan_timestamp = 0;
2054
2055         res = prism2_translate_scan(local, info, extra, data->length);
2056
2057         if (res >= 0) {
2058                 data->length = res;
2059                 return 0;
2060         } else {
2061                 data->length = 0;
2062                 return res;
2063         }
2064 #endif /* PRISM2_NO_STATION_MODES */
2065 }
2066
2067
2068 static int prism2_ioctl_giwscan(struct net_device *dev,
2069                                 struct iw_request_info *info,
2070                                 struct iw_point *data, char *extra)
2071 {
2072         struct hostap_interface *iface;
2073         local_info_t *local;
2074         int res;
2075
2076         iface = netdev_priv(dev);
2077         local = iface->local;
2078
2079         if (local->iw_mode == IW_MODE_MASTER) {
2080                 /* In MASTER mode, it doesn't make sense to go around
2081                  * scanning the frequencies and make the stations we serve
2082                  * wait when what the user is really interested about is the
2083                  * list of stations and access points we are talking to.
2084                  * So, just extract results from our cache...
2085                  * Jean II */
2086
2087                 /* Translate to WE format */
2088                 res = prism2_ap_translate_scan(dev, info, extra);
2089                 if (res >= 0) {
2090                         printk(KERN_DEBUG "Scan result translation succeeded "
2091                                "(length=%d)\n", res);
2092                         data->length = res;
2093                         return 0;
2094                 } else {
2095                         printk(KERN_DEBUG
2096                                "Scan result translation failed (res=%d)\n",
2097                                res);
2098                         data->length = 0;
2099                         return res;
2100                 }
2101         } else {
2102                 /* Station mode */
2103                 return prism2_ioctl_giwscan_sta(dev, info, data, extra);
2104         }
2105 }
2106
2107
2108 static const struct iw_priv_args prism2_priv[] = {
2109         { PRISM2_IOCTL_MONITOR,
2110           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor" },
2111         { PRISM2_IOCTL_READMIF,
2112           IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
2113           IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "readmif" },
2114         { PRISM2_IOCTL_WRITEMIF,
2115           IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 2, 0, "writemif" },
2116         { PRISM2_IOCTL_RESET,
2117           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "reset" },
2118         { PRISM2_IOCTL_INQUIRE,
2119           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inquire" },
2120         { PRISM2_IOCTL_SET_RID_WORD,
2121           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_rid_word" },
2122         { PRISM2_IOCTL_MACCMD,
2123           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maccmd" },
2124         { PRISM2_IOCTL_WDS_ADD,
2125           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_add" },
2126         { PRISM2_IOCTL_WDS_DEL,
2127           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_del" },
2128         { PRISM2_IOCTL_ADDMAC,
2129           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "addmac" },
2130         { PRISM2_IOCTL_DELMAC,
2131           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "delmac" },
2132         { PRISM2_IOCTL_KICKMAC,
2133           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac" },
2134         /* --- raw access to sub-ioctls --- */
2135         { PRISM2_IOCTL_PRISM2_PARAM,
2136           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "prism2_param" },
2137         { PRISM2_IOCTL_GET_PRISM2_PARAM,
2138           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2139           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprism2_param" },
2140         /* --- sub-ioctls handlers --- */
2141         { PRISM2_IOCTL_PRISM2_PARAM,
2142           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "" },
2143         { PRISM2_IOCTL_GET_PRISM2_PARAM,
2144           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "" },
2145         /* --- sub-ioctls definitions --- */
2146         { PRISM2_PARAM_TXRATECTRL,
2147           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txratectrl" },
2148         { PRISM2_PARAM_TXRATECTRL,
2149           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettxratectrl" },
2150         { PRISM2_PARAM_BEACON_INT,
2151           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "beacon_int" },
2152         { PRISM2_PARAM_BEACON_INT,
2153           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbeacon_int" },
2154 #ifndef PRISM2_NO_STATION_MODES
2155         { PRISM2_PARAM_PSEUDO_IBSS,
2156           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pseudo_ibss" },
2157         { PRISM2_PARAM_PSEUDO_IBSS,
2158           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getpseudo_ibss" },
2159 #endif /* PRISM2_NO_STATION_MODES */
2160         { PRISM2_PARAM_ALC,
2161           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "alc" },
2162         { PRISM2_PARAM_ALC,
2163           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getalc" },
2164         { PRISM2_PARAM_DUMP,
2165           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dump" },
2166         { PRISM2_PARAM_DUMP,
2167           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdump" },
2168         { PRISM2_PARAM_OTHER_AP_POLICY,
2169           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "other_ap_policy" },
2170         { PRISM2_PARAM_OTHER_AP_POLICY,
2171           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getother_ap_pol" },
2172         { PRISM2_PARAM_AP_MAX_INACTIVITY,
2173           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_inactivity" },
2174         { PRISM2_PARAM_AP_MAX_INACTIVITY,
2175           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_inactivi" },
2176         { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2177           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bridge_packets" },
2178         { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2179           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbridge_packe" },
2180         { PRISM2_PARAM_DTIM_PERIOD,
2181           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dtim_period" },
2182         { PRISM2_PARAM_DTIM_PERIOD,
2183           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdtim_period" },
2184         { PRISM2_PARAM_AP_NULLFUNC_ACK,
2185           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "nullfunc_ack" },
2186         { PRISM2_PARAM_AP_NULLFUNC_ACK,
2187           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getnullfunc_ack" },
2188         { PRISM2_PARAM_MAX_WDS,
2189           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_wds" },
2190         { PRISM2_PARAM_MAX_WDS,
2191           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_wds" },
2192         { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2193           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "autom_ap_wds" },
2194         { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2195           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getautom_ap_wds" },
2196         { PRISM2_PARAM_AP_AUTH_ALGS,
2197           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_auth_algs" },
2198         { PRISM2_PARAM_AP_AUTH_ALGS,
2199           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_auth_algs" },
2200         { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2201           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "allow_fcserr" },
2202         { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2203           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getallow_fcserr" },
2204         { PRISM2_PARAM_HOST_ENCRYPT,
2205           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_encrypt" },
2206         { PRISM2_PARAM_HOST_ENCRYPT,
2207           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_encrypt" },
2208         { PRISM2_PARAM_HOST_DECRYPT,
2209           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_decrypt" },
2210         { PRISM2_PARAM_HOST_DECRYPT,
2211           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_decrypt" },
2212 #ifndef PRISM2_NO_STATION_MODES
2213         { PRISM2_PARAM_HOST_ROAMING,
2214           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_roaming" },
2215         { PRISM2_PARAM_HOST_ROAMING,
2216           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_roaming" },
2217 #endif /* PRISM2_NO_STATION_MODES */
2218         { PRISM2_PARAM_BCRX_STA_KEY,
2219           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bcrx_sta_key" },
2220         { PRISM2_PARAM_BCRX_STA_KEY,
2221           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbcrx_sta_key" },
2222         { PRISM2_PARAM_IEEE_802_1X,
2223           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ieee_802_1x" },
2224         { PRISM2_PARAM_IEEE_802_1X,
2225           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getieee_802_1x" },
2226         { PRISM2_PARAM_ANTSEL_TX,
2227           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_tx" },
2228         { PRISM2_PARAM_ANTSEL_TX,
2229           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_tx" },
2230         { PRISM2_PARAM_ANTSEL_RX,
2231           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_rx" },
2232         { PRISM2_PARAM_ANTSEL_RX,
2233           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_rx" },
2234         { PRISM2_PARAM_MONITOR_TYPE,
2235           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor_type" },
2236         { PRISM2_PARAM_MONITOR_TYPE,
2237           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmonitor_type" },
2238         { PRISM2_PARAM_WDS_TYPE,
2239           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wds_type" },
2240         { PRISM2_PARAM_WDS_TYPE,
2241           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwds_type" },
2242         { PRISM2_PARAM_HOSTSCAN,
2243           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostscan" },
2244         { PRISM2_PARAM_HOSTSCAN,
2245           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostscan" },
2246         { PRISM2_PARAM_AP_SCAN,
2247           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_scan" },
2248         { PRISM2_PARAM_AP_SCAN,
2249           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_scan" },
2250         { PRISM2_PARAM_ENH_SEC,
2251           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "enh_sec" },
2252         { PRISM2_PARAM_ENH_SEC,
2253           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getenh_sec" },
2254 #ifdef PRISM2_IO_DEBUG
2255         { PRISM2_PARAM_IO_DEBUG,
2256           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "io_debug" },
2257         { PRISM2_PARAM_IO_DEBUG,
2258           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getio_debug" },
2259 #endif /* PRISM2_IO_DEBUG */
2260         { PRISM2_PARAM_BASIC_RATES,
2261           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "basic_rates" },
2262         { PRISM2_PARAM_BASIC_RATES,
2263           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbasic_rates" },
2264         { PRISM2_PARAM_OPER_RATES,
2265           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "oper_rates" },
2266         { PRISM2_PARAM_OPER_RATES,
2267           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getoper_rates" },
2268         { PRISM2_PARAM_HOSTAPD,
2269           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd" },
2270         { PRISM2_PARAM_HOSTAPD,
2271           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd" },
2272         { PRISM2_PARAM_HOSTAPD_STA,
2273           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd_sta" },
2274         { PRISM2_PARAM_HOSTAPD_STA,
2275           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd_sta" },
2276         { PRISM2_PARAM_WPA,
2277           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wpa" },
2278         { PRISM2_PARAM_WPA,
2279           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwpa" },
2280         { PRISM2_PARAM_PRIVACY_INVOKED,
2281           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "privacy_invoked" },
2282         { PRISM2_PARAM_PRIVACY_INVOKED,
2283           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprivacy_invo" },
2284         { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2285           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "tkip_countermea" },
2286         { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2287           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettkip_counter" },
2288         { PRISM2_PARAM_DROP_UNENCRYPTED,
2289           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "drop_unencrypte" },
2290         { PRISM2_PARAM_DROP_UNENCRYPTED,
2291           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdrop_unencry" },
2292         { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2293           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "scan_channels" },
2294         { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2295           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getscan_channel" },
2296 };
2297
2298
2299 static int prism2_ioctl_priv_inquire(struct net_device *dev, int *i)
2300 {
2301         struct hostap_interface *iface;
2302         local_info_t *local;
2303
2304         iface = netdev_priv(dev);
2305         local = iface->local;
2306
2307         if (local->func->cmd(dev, HFA384X_CMDCODE_INQUIRE, *i, NULL, NULL))
2308                 return -EOPNOTSUPP;
2309
2310         return 0;
2311 }
2312
2313
2314 static int prism2_ioctl_priv_prism2_param(struct net_device *dev,
2315                                           struct iw_request_info *info,
2316                                           void *wrqu, char *extra)
2317 {
2318         struct hostap_interface *iface;
2319         local_info_t *local;
2320         int *i = (int *) extra;
2321         int param = *i;
2322         int value = *(i + 1);
2323         int ret = 0;
2324         u16 val;
2325
2326         iface = netdev_priv(dev);
2327         local = iface->local;
2328
2329         switch (param) {
2330         case PRISM2_PARAM_TXRATECTRL:
2331                 local->fw_tx_rate_control = value;
2332                 break;
2333
2334         case PRISM2_PARAM_BEACON_INT:
2335                 if (hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, value) ||
2336                     local->func->reset_port(dev))
2337                         ret = -EINVAL;
2338                 else
2339                         local->beacon_int = value;
2340                 break;
2341
2342 #ifndef PRISM2_NO_STATION_MODES
2343         case PRISM2_PARAM_PSEUDO_IBSS:
2344                 if (value == local->pseudo_adhoc)
2345                         break;
2346
2347                 if (value != 0 && value != 1) {
2348                         ret = -EINVAL;
2349                         break;
2350                 }
2351
2352                 printk(KERN_DEBUG "prism2: %s: pseudo IBSS change %d -> %d\n",
2353                        dev->name, local->pseudo_adhoc, value);
2354                 local->pseudo_adhoc = value;
2355                 if (local->iw_mode != IW_MODE_ADHOC)
2356                         break;
2357
2358                 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2359                                     hostap_get_porttype(local))) {
2360                         ret = -EOPNOTSUPP;
2361                         break;
2362                 }
2363
2364                 if (local->func->reset_port(dev))
2365                         ret = -EINVAL;
2366                 break;
2367 #endif /* PRISM2_NO_STATION_MODES */
2368
2369         case PRISM2_PARAM_ALC:
2370                 printk(KERN_DEBUG "%s: %s ALC\n", dev->name,
2371                        value == 0 ? "Disabling" : "Enabling");
2372                 val = HFA384X_TEST_CFG_BIT_ALC;
2373                 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
2374                                  (HFA384X_TEST_CFG_BITS << 8),
2375                                  value == 0 ? 0 : 1, &val, NULL);
2376                 break;
2377
2378         case PRISM2_PARAM_DUMP:
2379                 local->frame_dump = value;
2380                 break;
2381
2382         case PRISM2_PARAM_OTHER_AP_POLICY:
2383                 if (value < 0 || value > 3) {
2384                         ret = -EINVAL;
2385                         break;
2386                 }
2387                 if (local->ap != NULL)
2388                         local->ap->ap_policy = value;
2389                 break;
2390
2391         case PRISM2_PARAM_AP_MAX_INACTIVITY:
2392                 if (value < 0 || value > 7 * 24 * 60 * 60) {
2393                         ret = -EINVAL;
2394                         break;
2395                 }
2396                 if (local->ap != NULL)
2397                         local->ap->max_inactivity = value * HZ;
2398                 break;
2399
2400         case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2401                 if (local->ap != NULL)
2402                         local->ap->bridge_packets = value;
2403                 break;
2404
2405         case PRISM2_PARAM_DTIM_PERIOD:
2406                 if (value < 0 || value > 65535) {
2407                         ret = -EINVAL;
2408                         break;
2409                 }
2410                 if (hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, value)
2411                     || local->func->reset_port(dev))
2412                         ret = -EINVAL;
2413                 else
2414                         local->dtim_period = value;
2415                 break;
2416
2417         case PRISM2_PARAM_AP_NULLFUNC_ACK:
2418                 if (local->ap != NULL)
2419                         local->ap->nullfunc_ack = value;
2420                 break;
2421
2422         case PRISM2_PARAM_MAX_WDS:
2423                 local->wds_max_connections = value;
2424                 break;
2425
2426         case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2427                 if (local->ap != NULL) {
2428                         if (!local->ap->autom_ap_wds && value) {
2429                                 /* add WDS link to all APs in STA table */
2430                                 hostap_add_wds_links(local);
2431                         }
2432                         local->ap->autom_ap_wds = value;
2433                 }
2434                 break;
2435
2436         case PRISM2_PARAM_AP_AUTH_ALGS:
2437                 local->auth_algs = value;
2438                 if (hostap_set_auth_algs(local))
2439                         ret = -EINVAL;
2440                 break;
2441
2442         case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2443                 local->monitor_allow_fcserr = value;
2444                 break;
2445
2446         case PRISM2_PARAM_HOST_ENCRYPT:
2447                 local->host_encrypt = value;
2448                 if (hostap_set_encryption(local) ||
2449                     local->func->reset_port(dev))
2450                         ret = -EINVAL;
2451                 break;
2452
2453         case PRISM2_PARAM_HOST_DECRYPT:
2454                 local->host_decrypt = value;
2455                 if (hostap_set_encryption(local) ||
2456                     local->func->reset_port(dev))
2457                         ret = -EINVAL;
2458                 break;
2459
2460 #ifndef PRISM2_NO_STATION_MODES
2461         case PRISM2_PARAM_HOST_ROAMING:
2462                 if (value < 0 || value > 2) {
2463                         ret = -EINVAL;
2464                         break;
2465                 }
2466                 local->host_roaming = value;
2467                 if (hostap_set_roaming(local) || local->func->reset_port(dev))
2468                         ret = -EINVAL;
2469                 break;
2470 #endif /* PRISM2_NO_STATION_MODES */
2471
2472         case PRISM2_PARAM_BCRX_STA_KEY:
2473                 local->bcrx_sta_key = value;
2474                 break;
2475
2476         case PRISM2_PARAM_IEEE_802_1X:
2477                 local->ieee_802_1x = value;
2478                 break;
2479
2480         case PRISM2_PARAM_ANTSEL_TX:
2481                 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2482                         ret = -EINVAL;
2483                         break;
2484                 }
2485                 local->antsel_tx = value;
2486                 hostap_set_antsel(local);
2487                 break;
2488
2489         case PRISM2_PARAM_ANTSEL_RX:
2490                 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2491                         ret = -EINVAL;
2492                         break;
2493                 }
2494                 local->antsel_rx = value;
2495                 hostap_set_antsel(local);
2496                 break;
2497
2498         case PRISM2_PARAM_MONITOR_TYPE:
2499                 if (value != PRISM2_MONITOR_80211 &&
2500                     value != PRISM2_MONITOR_CAPHDR &&
2501                     value != PRISM2_MONITOR_PRISM &&
2502                     value != PRISM2_MONITOR_RADIOTAP) {
2503                         ret = -EINVAL;
2504                         break;
2505                 }
2506                 local->monitor_type = value;
2507                 if (local->iw_mode == IW_MODE_MONITOR)
2508                         hostap_monitor_set_type(local);
2509                 break;
2510
2511         case PRISM2_PARAM_WDS_TYPE:
2512                 local->wds_type = value;
2513                 break;
2514
2515         case PRISM2_PARAM_HOSTSCAN:
2516         {
2517                 struct hfa384x_hostscan_request scan_req;
2518                 u16 rate;
2519
2520                 memset(&scan_req, 0, sizeof(scan_req));
2521                 scan_req.channel_list = cpu_to_le16(0x3fff);
2522                 switch (value) {
2523                 case 1: rate = HFA384X_RATES_1MBPS; break;
2524                 case 2: rate = HFA384X_RATES_2MBPS; break;
2525                 case 3: rate = HFA384X_RATES_5MBPS; break;
2526                 case 4: rate = HFA384X_RATES_11MBPS; break;
2527                 default: rate = HFA384X_RATES_1MBPS; break;
2528                 }
2529                 scan_req.txrate = cpu_to_le16(rate);
2530                 /* leave SSID empty to accept all SSIDs */
2531
2532                 if (local->iw_mode == IW_MODE_MASTER) {
2533                         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2534                                             HFA384X_PORTTYPE_BSS) ||
2535                             local->func->reset_port(dev))
2536                                 printk(KERN_DEBUG "Leaving Host AP mode "
2537                                        "for HostScan failed\n");
2538                 }
2539
2540                 if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
2541                                          sizeof(scan_req))) {
2542                         printk(KERN_DEBUG "HOSTSCAN failed\n");
2543                         ret = -EINVAL;
2544                 }
2545                 if (local->iw_mode == IW_MODE_MASTER) {
2546                         wait_queue_t __wait;
2547                         init_waitqueue_entry(&__wait, current);
2548                         add_wait_queue(&local->hostscan_wq, &__wait);
2549                         set_current_state(TASK_INTERRUPTIBLE);
2550                         schedule_timeout(HZ);
2551                         if (signal_pending(current))
2552                                 ret = -EINTR;
2553                         set_current_state(TASK_RUNNING);
2554                         remove_wait_queue(&local->hostscan_wq, &__wait);
2555
2556                         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2557                                             HFA384X_PORTTYPE_HOSTAP) ||
2558                             local->func->reset_port(dev))
2559                                 printk(KERN_DEBUG "Returning to Host AP mode "
2560                                        "after HostScan failed\n");
2561                 }
2562                 break;
2563         }
2564
2565         case PRISM2_PARAM_AP_SCAN:
2566                 local->passive_scan_interval = value;
2567                 if (timer_pending(&local->passive_scan_timer))
2568                         del_timer(&local->passive_scan_timer);
2569                 if (value > 0) {
2570                         local->passive_scan_timer.expires = jiffies +
2571                                 local->passive_scan_interval * HZ;
2572                         add_timer(&local->passive_scan_timer);
2573                 }
2574                 break;
2575
2576         case PRISM2_PARAM_ENH_SEC:
2577                 if (value < 0 || value > 3) {
2578                         ret = -EINVAL;
2579                         break;
2580                 }
2581                 local->enh_sec = value;
2582                 if (hostap_set_word(dev, HFA384X_RID_CNFENHSECURITY,
2583                                     local->enh_sec) ||
2584                     local->func->reset_port(dev)) {
2585                         printk(KERN_INFO "%s: cnfEnhSecurity requires STA f/w "
2586                                "1.6.3 or newer\n", dev->name);
2587                         ret = -EOPNOTSUPP;
2588                 }
2589                 break;
2590
2591 #ifdef PRISM2_IO_DEBUG
2592         case PRISM2_PARAM_IO_DEBUG:
2593                 local->io_debug_enabled = value;
2594                 break;
2595 #endif /* PRISM2_IO_DEBUG */
2596
2597         case PRISM2_PARAM_BASIC_RATES:
2598                 if ((value & local->tx_rate_control) != value || value == 0) {
2599                         printk(KERN_INFO "%s: invalid basic rate set - basic "
2600                                "rates must be in supported rate set\n",
2601                                dev->name);
2602                         ret = -EINVAL;
2603                         break;
2604                 }
2605                 local->basic_rates = value;
2606                 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
2607                                     local->basic_rates) ||
2608                     local->func->reset_port(dev))
2609                         ret = -EINVAL;
2610                 break;
2611
2612         case PRISM2_PARAM_OPER_RATES:
2613                 local->tx_rate_control = value;
2614                 if (hostap_set_rate(dev))
2615                         ret = -EINVAL;
2616                 break;
2617
2618         case PRISM2_PARAM_HOSTAPD:
2619                 ret = hostap_set_hostapd(local, value, 1);
2620                 break;
2621
2622         case PRISM2_PARAM_HOSTAPD_STA:
2623                 ret = hostap_set_hostapd_sta(local, value, 1);
2624                 break;
2625
2626         case PRISM2_PARAM_WPA:
2627                 local->wpa = value;
2628                 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2629                         ret = -EOPNOTSUPP;
2630                 else if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
2631                                          value ? 1 : 0))
2632                         ret = -EINVAL;
2633                 break;
2634
2635         case PRISM2_PARAM_PRIVACY_INVOKED:
2636                 local->privacy_invoked = value;
2637                 if (hostap_set_encryption(local) ||
2638                     local->func->reset_port(dev))
2639                         ret = -EINVAL;
2640                 break;
2641
2642         case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2643                 local->tkip_countermeasures = value;
2644                 break;
2645
2646         case PRISM2_PARAM_DROP_UNENCRYPTED:
2647                 local->drop_unencrypted = value;
2648                 break;
2649
2650         case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2651                 local->scan_channel_mask = value;
2652                 break;
2653
2654         default:
2655                 printk(KERN_DEBUG "%s: prism2_param: unknown param %d\n",
2656                        dev->name, param);
2657                 ret = -EOPNOTSUPP;
2658                 break;
2659         }
2660
2661         return ret;
2662 }
2663
2664
2665 static int prism2_ioctl_priv_get_prism2_param(struct net_device *dev,
2666                                               struct iw_request_info *info,
2667                                               void *wrqu, char *extra)
2668 {
2669         struct hostap_interface *iface;
2670         local_info_t *local;
2671         int *param = (int *) extra;
2672         int ret = 0;
2673
2674         iface = netdev_priv(dev);
2675         local = iface->local;
2676
2677         switch (*param) {
2678         case PRISM2_PARAM_TXRATECTRL:
2679                 *param = local->fw_tx_rate_control;
2680                 break;
2681
2682         case PRISM2_PARAM_BEACON_INT:
2683                 *param = local->beacon_int;
2684                 break;
2685
2686         case PRISM2_PARAM_PSEUDO_IBSS:
2687                 *param = local->pseudo_adhoc;
2688                 break;
2689
2690         case PRISM2_PARAM_ALC:
2691                 ret = -EOPNOTSUPP; /* FIX */
2692                 break;
2693
2694         case PRISM2_PARAM_DUMP:
2695                 *param = local->frame_dump;
2696                 break;
2697
2698         case PRISM2_PARAM_OTHER_AP_POLICY:
2699                 if (local->ap != NULL)
2700                         *param = local->ap->ap_policy;
2701                 else
2702                         ret = -EOPNOTSUPP;
2703                 break;
2704
2705         case PRISM2_PARAM_AP_MAX_INACTIVITY:
2706                 if (local->ap != NULL)
2707                         *param = local->ap->max_inactivity / HZ;
2708                 else
2709                         ret = -EOPNOTSUPP;
2710                 break;
2711
2712         case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2713                 if (local->ap != NULL)
2714                         *param = local->ap->bridge_packets;
2715                 else
2716                         ret = -EOPNOTSUPP;
2717                 break;
2718
2719         case PRISM2_PARAM_DTIM_PERIOD:
2720                 *param = local->dtim_period;
2721                 break;
2722
2723         case PRISM2_PARAM_AP_NULLFUNC_ACK:
2724                 if (local->ap != NULL)
2725                         *param = local->ap->nullfunc_ack;
2726                 else
2727                         ret = -EOPNOTSUPP;
2728                 break;
2729
2730         case PRISM2_PARAM_MAX_WDS:
2731                 *param = local->wds_max_connections;
2732                 break;
2733
2734         case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2735                 if (local->ap != NULL)
2736                         *param = local->ap->autom_ap_wds;
2737                 else
2738                         ret = -EOPNOTSUPP;
2739                 break;
2740
2741         case PRISM2_PARAM_AP_AUTH_ALGS:
2742                 *param = local->auth_algs;
2743                 break;
2744
2745         case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2746                 *param = local->monitor_allow_fcserr;
2747                 break;
2748
2749         case PRISM2_PARAM_HOST_ENCRYPT:
2750                 *param = local->host_encrypt;
2751                 break;
2752
2753         case PRISM2_PARAM_HOST_DECRYPT:
2754                 *param = local->host_decrypt;
2755                 break;
2756
2757         case PRISM2_PARAM_HOST_ROAMING:
2758                 *param = local->host_roaming;
2759                 break;
2760
2761         case PRISM2_PARAM_BCRX_STA_KEY:
2762                 *param = local->bcrx_sta_key;
2763                 break;
2764
2765         case PRISM2_PARAM_IEEE_802_1X:
2766                 *param = local->ieee_802_1x;
2767                 break;
2768
2769         case PRISM2_PARAM_ANTSEL_TX:
2770                 *param = local->antsel_tx;
2771                 break;
2772
2773         case PRISM2_PARAM_ANTSEL_RX:
2774                 *param = local->antsel_rx;
2775                 break;
2776
2777         case PRISM2_PARAM_MONITOR_TYPE:
2778                 *param = local->monitor_type;
2779                 break;
2780
2781         case PRISM2_PARAM_WDS_TYPE:
2782                 *param = local->wds_type;
2783                 break;
2784
2785         case PRISM2_PARAM_HOSTSCAN:
2786                 ret = -EOPNOTSUPP;
2787                 break;
2788
2789         case PRISM2_PARAM_AP_SCAN:
2790                 *param = local->passive_scan_interval;
2791                 break;
2792
2793         case PRISM2_PARAM_ENH_SEC:
2794                 *param = local->enh_sec;
2795                 break;
2796
2797 #ifdef PRISM2_IO_DEBUG
2798         case PRISM2_PARAM_IO_DEBUG:
2799                 *param = local->io_debug_enabled;
2800                 break;
2801 #endif /* PRISM2_IO_DEBUG */
2802
2803         case PRISM2_PARAM_BASIC_RATES:
2804                 *param = local->basic_rates;
2805                 break;
2806
2807         case PRISM2_PARAM_OPER_RATES:
2808                 *param = local->tx_rate_control;
2809                 break;
2810
2811         case PRISM2_PARAM_HOSTAPD:
2812                 *param = local->hostapd;
2813                 break;
2814
2815         case PRISM2_PARAM_HOSTAPD_STA:
2816                 *param = local->hostapd_sta;
2817                 break;
2818
2819         case PRISM2_PARAM_WPA:
2820                 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2821                         ret = -EOPNOTSUPP;
2822                 *param = local->wpa;
2823                 break;
2824
2825         case PRISM2_PARAM_PRIVACY_INVOKED:
2826                 *param = local->privacy_invoked;
2827                 break;
2828
2829         case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2830                 *param = local->tkip_countermeasures;
2831                 break;
2832
2833         case PRISM2_PARAM_DROP_UNENCRYPTED:
2834                 *param = local->drop_unencrypted;
2835                 break;
2836
2837         case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2838                 *param = local->scan_channel_mask;
2839                 break;
2840
2841         default:
2842                 printk(KERN_DEBUG "%s: get_prism2_param: unknown param %d\n",
2843                        dev->name, *param);
2844                 ret = -EOPNOTSUPP;
2845                 break;
2846         }
2847
2848         return ret;
2849 }
2850
2851
2852 static int prism2_ioctl_priv_readmif(struct net_device *dev,
2853                                      struct iw_request_info *info,
2854                                      void *wrqu, char *extra)
2855 {
2856         struct hostap_interface *iface;
2857         local_info_t *local;
2858         u16 resp0;
2859
2860         iface = netdev_priv(dev);
2861         local = iface->local;
2862
2863         if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF, *extra, NULL,
2864                              &resp0))
2865                 return -EOPNOTSUPP;
2866         else
2867                 *extra = resp0;
2868
2869         return 0;
2870 }
2871
2872
2873 static int prism2_ioctl_priv_writemif(struct net_device *dev,
2874                                       struct iw_request_info *info,
2875                                       void *wrqu, char *extra)
2876 {
2877         struct hostap_interface *iface;
2878         local_info_t *local;
2879         u16 cr, val;
2880
2881         iface = netdev_priv(dev);
2882         local = iface->local;
2883
2884         cr = *extra;
2885         val = *(extra + 1);
2886         if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, cr, &val, NULL))
2887                 return -EOPNOTSUPP;
2888
2889         return 0;
2890 }
2891
2892
2893 static int prism2_ioctl_priv_monitor(struct net_device *dev, int *i)
2894 {
2895         struct hostap_interface *iface;
2896         local_info_t *local;
2897         int ret = 0;
2898         u32 mode;
2899
2900         iface = netdev_priv(dev);
2901         local = iface->local;
2902
2903         printk(KERN_DEBUG "%s: process %d (%s) used deprecated iwpriv monitor "
2904                "- update software to use iwconfig mode monitor\n",
2905                dev->name, task_pid_nr(current), current->comm);
2906
2907         /* Backward compatibility code - this can be removed at some point */
2908
2909         if (*i == 0) {
2910                 /* Disable monitor mode - old mode was not saved, so go to
2911                  * Master mode */
2912                 mode = IW_MODE_MASTER;
2913                 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2914         } else if (*i == 1) {
2915                 /* netlink socket mode is not supported anymore since it did
2916                  * not separate different devices from each other and was not
2917                  * best method for delivering large amount of packets to
2918                  * user space */
2919                 ret = -EOPNOTSUPP;
2920         } else if (*i == 2 || *i == 3) {
2921                 switch (*i) {
2922                 case 2:
2923                         local->monitor_type = PRISM2_MONITOR_80211;
2924                         break;
2925                 case 3:
2926                         local->monitor_type = PRISM2_MONITOR_PRISM;
2927                         break;
2928                 }
2929                 mode = IW_MODE_MONITOR;
2930                 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2931                 hostap_monitor_mode_enable(local);
2932         } else
2933                 ret = -EINVAL;
2934
2935         return ret;
2936 }
2937
2938
2939 static int prism2_ioctl_priv_reset(struct net_device *dev, int *i)
2940 {
2941         struct hostap_interface *iface;
2942         local_info_t *local;
2943
2944         iface = netdev_priv(dev);
2945         local = iface->local;
2946
2947         printk(KERN_DEBUG "%s: manual reset request(%d)\n", dev->name, *i);
2948         switch (*i) {
2949         case 0:
2950                 /* Disable and enable card */
2951                 local->func->hw_shutdown(dev, 1);
2952                 local->func->hw_config(dev, 0);
2953                 break;
2954
2955         case 1:
2956                 /* COR sreset */
2957                 local->func->hw_reset(dev);
2958                 break;
2959
2960         case 2:
2961                 /* Disable and enable port 0 */
2962                 local->func->reset_port(dev);
2963                 break;
2964
2965         case 3:
2966                 prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING);
2967                 if (local->func->cmd(dev, HFA384X_CMDCODE_DISABLE, 0, NULL,
2968                                      NULL))
2969                         return -EINVAL;
2970                 break;
2971
2972         case 4:
2973                 if (local->func->cmd(dev, HFA384X_CMDCODE_ENABLE, 0, NULL,
2974                                      NULL))
2975                         return -EINVAL;
2976                 break;
2977
2978         default:
2979                 printk(KERN_DEBUG "Unknown reset request %d\n", *i);
2980                 return -EOPNOTSUPP;
2981         }
2982
2983         return 0;
2984 }
2985
2986
2987 static int prism2_ioctl_priv_set_rid_word(struct net_device *dev, int *i)
2988 {
2989         int rid = *i;
2990         int value = *(i + 1);
2991
2992         printk(KERN_DEBUG "%s: Set RID[0x%X] = %d\n", dev->name, rid, value);
2993
2994         if (hostap_set_word(dev, rid, value))
2995                 return -EINVAL;
2996
2997         return 0;
2998 }
2999
3000
3001 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
3002 static int ap_mac_cmd_ioctl(local_info_t *local, int *cmd)
3003 {
3004         int ret = 0;
3005
3006         switch (*cmd) {
3007         case AP_MAC_CMD_POLICY_OPEN:
3008                 local->ap->mac_restrictions.policy = MAC_POLICY_OPEN;
3009                 break;
3010         case AP_MAC_CMD_POLICY_ALLOW:
3011                 local->ap->mac_restrictions.policy = MAC_POLICY_ALLOW;
3012                 break;
3013         case AP_MAC_CMD_POLICY_DENY:
3014                 local->ap->mac_restrictions.policy = MAC_POLICY_DENY;
3015                 break;
3016         case AP_MAC_CMD_FLUSH:
3017                 ap_control_flush_macs(&local->ap->mac_restrictions);
3018                 break;
3019         case AP_MAC_CMD_KICKALL:
3020                 ap_control_kickall(local->ap);
3021                 hostap_deauth_all_stas(local->dev, local->ap, 0);
3022                 break;
3023         default:
3024                 ret = -EOPNOTSUPP;
3025                 break;
3026         }
3027
3028         return ret;
3029 }
3030 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
3031
3032
3033 #ifdef PRISM2_DOWNLOAD_SUPPORT
3034 static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p)
3035 {
3036         struct prism2_download_param *param;
3037         int ret = 0;
3038
3039         if (p->length < sizeof(struct prism2_download_param) ||
3040             p->length > 1024 || !p->pointer)
3041                 return -EINVAL;
3042
3043         param = kmalloc(p->length, GFP_KERNEL);
3044         if (param == NULL)
3045                 return -ENOMEM;
3046
3047         if (copy_from_user(param, p->pointer, p->length)) {
3048                 ret = -EFAULT;
3049                 goto out;
3050         }
3051
3052         if (p->length < sizeof(struct prism2_download_param) +
3053             param->num_areas * sizeof(struct prism2_download_area)) {
3054                 ret = -EINVAL;
3055                 goto out;
3056         }
3057
3058         ret = local->func->download(local, param);
3059
3060  out:
3061         kfree(param);
3062         return ret;
3063 }
3064 #endif /* PRISM2_DOWNLOAD_SUPPORT */
3065
3066
3067 static int prism2_set_genericelement(struct net_device *dev, u8 *elem,
3068                                      size_t len)
3069 {
3070         struct hostap_interface *iface = netdev_priv(dev);
3071         local_info_t *local = iface->local;
3072         u8 *buf;
3073
3074         /*
3075          * Add 16-bit length in the beginning of the buffer because Prism2 RID
3076          * includes it.
3077          */
3078         buf = kmalloc(len + 2, GFP_KERNEL);
3079         if (buf == NULL)
3080                 return -ENOMEM;
3081
3082         *((__le16 *) buf) = cpu_to_le16(len);
3083         memcpy(buf + 2, elem, len);
3084
3085         kfree(local->generic_elem);
3086         local->generic_elem = buf;
3087         local->generic_elem_len = len + 2;
3088
3089         return local->func->set_rid(local->dev, HFA384X_RID_GENERICELEMENT,
3090                                     buf, len + 2);
3091 }
3092
3093
3094 static int prism2_ioctl_siwauth(struct net_device *dev,
3095                                 struct iw_request_info *info,
3096                                 struct iw_param *data, char *extra)
3097 {
3098         struct hostap_interface *iface = netdev_priv(dev);
3099         local_info_t *local = iface->local;
3100
3101         switch (data->flags & IW_AUTH_INDEX) {
3102         case IW_AUTH_WPA_VERSION:
3103         case IW_AUTH_CIPHER_PAIRWISE:
3104         case IW_AUTH_CIPHER_GROUP:
3105         case IW_AUTH_KEY_MGMT:
3106                 /*
3107                  * Host AP driver does not use these parameters and allows
3108                  * wpa_supplicant to control them internally.
3109                  */
3110                 break;
3111         case IW_AUTH_TKIP_COUNTERMEASURES:
3112                 local->tkip_countermeasures = data->value;
3113                 break;
3114         case IW_AUTH_DROP_UNENCRYPTED:
3115                 local->drop_unencrypted = data->value;
3116                 break;
3117         case IW_AUTH_80211_AUTH_ALG:
3118                 local->auth_algs = data->value;
3119                 break;
3120         case IW_AUTH_WPA_ENABLED:
3121                 if (data->value == 0) {
3122                         local->wpa = 0;
3123                         if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3124                                 break;
3125                         prism2_set_genericelement(dev, "", 0);
3126                         local->host_roaming = 0;
3127                         local->privacy_invoked = 0;
3128                         if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
3129                                             0) ||
3130                             hostap_set_roaming(local) ||
3131                             hostap_set_encryption(local) ||
3132                             local->func->reset_port(dev))
3133                                 return -EINVAL;
3134                         break;
3135                 }
3136                 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3137                         return -EOPNOTSUPP;
3138                 local->host_roaming = 2;
3139                 local->privacy_invoked = 1;
3140                 local->wpa = 1;
3141                 if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, 1) ||
3142                     hostap_set_roaming(local) ||
3143                     hostap_set_encryption(local) ||
3144                     local->func->reset_port(dev))
3145                         return -EINVAL;
3146                 break;
3147         case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3148                 local->ieee_802_1x = data->value;
3149                 break;
3150         case IW_AUTH_PRIVACY_INVOKED:
3151                 local->privacy_invoked = data->value;
3152                 break;
3153         default:
3154                 return -EOPNOTSUPP;
3155         }
3156         return 0;
3157 }
3158
3159
3160 static int prism2_ioctl_giwauth(struct net_device *dev,
3161                                 struct iw_request_info *info,
3162                                 struct iw_param *data, char *extra)
3163 {
3164         struct hostap_interface *iface = netdev_priv(dev);
3165         local_info_t *local = iface->local;
3166
3167         switch (data->flags & IW_AUTH_INDEX) {
3168         case IW_AUTH_WPA_VERSION:
3169         case IW_AUTH_CIPHER_PAIRWISE:
3170         case IW_AUTH_CIPHER_GROUP:
3171         case IW_AUTH_KEY_MGMT:
3172                 /*
3173                  * Host AP driver does not use these parameters and allows
3174                  * wpa_supplicant to control them internally.
3175                  */
3176                 return -EOPNOTSUPP;
3177         case IW_AUTH_TKIP_COUNTERMEASURES:
3178                 data->value = local->tkip_countermeasures;
3179                 break;
3180         case IW_AUTH_DROP_UNENCRYPTED:
3181                 data->value = local->drop_unencrypted;
3182                 break;
3183         case IW_AUTH_80211_AUTH_ALG:
3184                 data->value = local->auth_algs;
3185                 break;
3186         case IW_AUTH_WPA_ENABLED:
3187                 data->value = local->wpa;
3188                 break;
3189         case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3190                 data->value = local->ieee_802_1x;
3191                 break;
3192         default:
3193                 return -EOPNOTSUPP;
3194         }
3195         return 0;
3196 }
3197
3198
3199 static int prism2_ioctl_siwencodeext(struct net_device *dev,
3200                                      struct iw_request_info *info,
3201                                      struct iw_point *erq, char *extra)
3202 {
3203         struct hostap_interface *iface = netdev_priv(dev);
3204         local_info_t *local = iface->local;
3205         struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3206         int i, ret = 0;
3207         struct lib80211_crypto_ops *ops;
3208         struct lib80211_crypt_data **crypt;
3209         void *sta_ptr;
3210         u8 *addr;
3211         const char *alg, *module;
3212
3213         i = erq->flags & IW_ENCODE_INDEX;
3214         if (i > WEP_KEYS)
3215                 return -EINVAL;
3216         if (i < 1 || i > WEP_KEYS)
3217                 i = local->crypt_info.tx_keyidx;
3218         else
3219                 i--;
3220         if (i < 0 || i >= WEP_KEYS)
3221                 return -EINVAL;
3222
3223         addr = ext->addr.sa_data;
3224         if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
3225             addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
3226                 sta_ptr = NULL;
3227                 crypt = &local->crypt_info.crypt[i];
3228         } else {
3229                 if (i != 0)
3230                         return -EINVAL;
3231                 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3232                 if (sta_ptr == NULL) {
3233                         if (local->iw_mode == IW_MODE_INFRA) {
3234                                 /*
3235                                  * TODO: add STA entry for the current AP so
3236                                  * that unicast key can be used. For now, this
3237                                  * is emulated by using default key idx 0.
3238                                  */
3239                                 i = 0;
3240                                 crypt = &local->crypt_info.crypt[i];
3241                         } else
3242                                 return -EINVAL;
3243                 }
3244         }
3245
3246         if ((erq->flags & IW_ENCODE_DISABLED) ||
3247             ext->alg == IW_ENCODE_ALG_NONE) {
3248                 if (*crypt)
3249                         lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3250                 goto done;
3251         }
3252
3253         switch (ext->alg) {
3254         case IW_ENCODE_ALG_WEP:
3255                 alg = "WEP";
3256                 module = "lib80211_crypt_wep";
3257                 break;
3258         case IW_ENCODE_ALG_TKIP:
3259                 alg = "TKIP";
3260                 module = "lib80211_crypt_tkip";
3261                 break;
3262         case IW_ENCODE_ALG_CCMP:
3263                 alg = "CCMP";
3264                 module = "lib80211_crypt_ccmp";
3265                 break;
3266         default:
3267                 printk(KERN_DEBUG "%s: unsupported algorithm %d\n",
3268                        local->dev->name, ext->alg);
3269                 ret = -EOPNOTSUPP;
3270                 goto done;
3271         }
3272
3273         ops = lib80211_get_crypto_ops(alg);
3274         if (ops == NULL) {
3275                 request_module(module);
3276                 ops = lib80211_get_crypto_ops(alg);
3277         }
3278         if (ops == NULL) {
3279                 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3280                        local->dev->name, alg);
3281                 ret = -EOPNOTSUPP;
3282                 goto done;
3283         }
3284
3285         if (sta_ptr || ext->alg != IW_ENCODE_ALG_WEP) {
3286                 /*
3287                  * Per station encryption and other than WEP algorithms
3288                  * require host-based encryption, so force them on
3289                  * automatically.
3290                  */
3291                 local->host_decrypt = local->host_encrypt = 1;
3292         }
3293
3294         if (*crypt == NULL || (*crypt)->ops != ops) {
3295                 struct lib80211_crypt_data *new_crypt;
3296
3297                 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3298
3299                 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
3300                                 GFP_KERNEL);
3301                 if (new_crypt == NULL) {
3302                         ret = -ENOMEM;
3303                         goto done;
3304                 }
3305                 new_crypt->ops = ops;
3306                 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
3307                         new_crypt->priv = new_crypt->ops->init(i);
3308                 if (new_crypt->priv == NULL) {
3309                         kfree(new_crypt);
3310                         ret = -EINVAL;
3311                         goto done;
3312                 }
3313
3314                 *crypt = new_crypt;
3315         }
3316
3317         /*
3318          * TODO: if ext_flags does not have IW_ENCODE_EXT_RX_SEQ_VALID, the
3319          * existing seq# should not be changed.
3320          * TODO: if ext_flags has IW_ENCODE_EXT_TX_SEQ_VALID, next TX seq#
3321          * should be changed to something else than zero.
3322          */
3323         if ((!(ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) || ext->key_len > 0)
3324             && (*crypt)->ops->set_key &&
3325             (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
3326                                    (*crypt)->priv) < 0) {
3327                 printk(KERN_DEBUG "%s: key setting failed\n",
3328                        local->dev->name);
3329                 ret = -EINVAL;
3330                 goto done;
3331         }
3332
3333         if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
3334                 if (!sta_ptr)
3335                         local->crypt_info.tx_keyidx = i;
3336         }
3337
3338
3339         if (sta_ptr == NULL && ext->key_len > 0) {
3340                 int first = 1, j;
3341                 for (j = 0; j < WEP_KEYS; j++) {
3342                         if (j != i && local->crypt_info.crypt[j]) {
3343                                 first = 0;
3344                                 break;
3345                         }
3346                 }
3347                 if (first)
3348                         local->crypt_info.tx_keyidx = i;
3349         }
3350
3351  done:
3352         if (sta_ptr)
3353                 hostap_handle_sta_release(sta_ptr);
3354
3355         local->open_wep = erq->flags & IW_ENCODE_OPEN;
3356
3357         /*
3358          * Do not reset port0 if card is in Managed mode since resetting will
3359          * generate new IEEE 802.11 authentication which may end up in looping
3360          * with IEEE 802.1X. Prism2 documentation seem to require port reset
3361          * after WEP configuration. However, keys are apparently changed at
3362          * least in Managed mode.
3363          */
3364         if (ret == 0 &&
3365             (hostap_set_encryption(local) ||
3366              (local->iw_mode != IW_MODE_INFRA &&
3367               local->func->reset_port(local->dev))))
3368                 ret = -EINVAL;
3369
3370         return ret;
3371 }
3372
3373
3374 static int prism2_ioctl_giwencodeext(struct net_device *dev,
3375                                      struct iw_request_info *info,
3376                                      struct iw_point *erq, char *extra)
3377 {
3378         struct hostap_interface *iface = netdev_priv(dev);
3379         local_info_t *local = iface->local;
3380         struct lib80211_crypt_data **crypt;
3381         void *sta_ptr;
3382         int max_key_len, i;
3383         struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3384         u8 *addr;
3385
3386         max_key_len = erq->length - sizeof(*ext);
3387         if (max_key_len < 0)
3388                 return -EINVAL;
3389
3390         i = erq->flags & IW_ENCODE_INDEX;
3391         if (i < 1 || i > WEP_KEYS)
3392                 i = local->crypt_info.tx_keyidx;
3393         else
3394                 i--;
3395
3396         addr = ext->addr.sa_data;
3397         if (addr[0] == 0xff && addr[1] == 0xff && addr[2] == 0xff &&
3398             addr[3] == 0xff && addr[4] == 0xff && addr[5] == 0xff) {
3399                 sta_ptr = NULL;
3400                 crypt = &local->crypt_info.crypt[i];
3401         } else {
3402                 i = 0;
3403                 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3404                 if (sta_ptr == NULL)
3405                         return -EINVAL;
3406         }
3407         erq->flags = i + 1;
3408         memset(ext, 0, sizeof(*ext));
3409
3410         if (*crypt == NULL || (*crypt)->ops == NULL) {
3411                 ext->alg = IW_ENCODE_ALG_NONE;
3412                 ext->key_len = 0;
3413                 erq->flags |= IW_ENCODE_DISABLED;
3414         } else {
3415                 if (strcmp((*crypt)->ops->name, "WEP") == 0)
3416                         ext->alg = IW_ENCODE_ALG_WEP;
3417                 else if (strcmp((*crypt)->ops->name, "TKIP") == 0)
3418                         ext->alg = IW_ENCODE_ALG_TKIP;
3419                 else if (strcmp((*crypt)->ops->name, "CCMP") == 0)
3420                         ext->alg = IW_ENCODE_ALG_CCMP;
3421                 else
3422                         return -EINVAL;
3423
3424                 if ((*crypt)->ops->get_key) {
3425                         ext->key_len =
3426                                 (*crypt)->ops->get_key(ext->key,
3427                                                        max_key_len,
3428                                                        ext->tx_seq,
3429                                                        (*crypt)->priv);
3430                         if (ext->key_len &&
3431                             (ext->alg == IW_ENCODE_ALG_TKIP ||
3432                              ext->alg == IW_ENCODE_ALG_CCMP))
3433                                 ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
3434                 }
3435         }
3436
3437         if (sta_ptr)
3438                 hostap_handle_sta_release(sta_ptr);
3439
3440         return 0;
3441 }
3442
3443
3444 static int prism2_ioctl_set_encryption(local_info_t *local,
3445                                        struct prism2_hostapd_param *param,
3446                                        int param_len)
3447 {
3448         int ret = 0;
3449         struct lib80211_crypto_ops *ops;
3450         struct lib80211_crypt_data **crypt;
3451         void *sta_ptr;
3452
3453         param->u.crypt.err = 0;
3454         param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0';
3455
3456         if (param_len !=
3457             (int) ((char *) param->u.crypt.key - (char *) param) +
3458             param->u.crypt.key_len)
3459                 return -EINVAL;
3460
3461         if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
3462             param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
3463             param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
3464                 if (param->u.crypt.idx >= WEP_KEYS)
3465                         return -EINVAL;
3466                 sta_ptr = NULL;
3467                 crypt = &local->crypt_info.crypt[param->u.crypt.idx];
3468         } else {
3469                 if (param->u.crypt.idx)
3470                         return -EINVAL;
3471                 sta_ptr = ap_crypt_get_ptrs(
3472                         local->ap, param->sta_addr,
3473                         (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_PERMANENT),
3474                         &crypt);
3475
3476                 if (sta_ptr == NULL) {
3477                         param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3478                         return -EINVAL;
3479                 }
3480         }
3481
3482         if (strcmp(param->u.crypt.alg, "none") == 0) {
3483                 if (crypt)
3484                         lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3485                 goto done;
3486         }
3487
3488         ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3489         if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
3490                 request_module("lib80211_crypt_wep");
3491                 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3492         } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
3493                 request_module("lib80211_crypt_tkip");
3494                 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3495         } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
3496                 request_module("lib80211_crypt_ccmp");
3497                 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3498         }
3499         if (ops == NULL) {
3500                 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3501                        local->dev->name, param->u.crypt.alg);
3502                 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ALG;
3503                 ret = -EINVAL;
3504                 goto done;
3505         }
3506
3507         /* station based encryption and other than WEP algorithms require
3508          * host-based encryption, so force them on automatically */
3509         local->host_decrypt = local->host_encrypt = 1;
3510
3511         if (*crypt == NULL || (*crypt)->ops != ops) {
3512                 struct lib80211_crypt_data *new_crypt;
3513
3514                 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3515
3516                 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
3517                                 GFP_KERNEL);
3518                 if (new_crypt == NULL) {
3519                         ret = -ENOMEM;
3520                         goto done;
3521                 }
3522                 new_crypt->ops = ops;
3523                 new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx);
3524                 if (new_crypt->priv == NULL) {
3525                         kfree(new_crypt);
3526                         param->u.crypt.err =
3527                                 HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED;
3528                         ret = -EINVAL;
3529                         goto done;
3530                 }
3531
3532                 *crypt = new_crypt;
3533         }
3534
3535         if ((!(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) ||
3536              param->u.crypt.key_len > 0) && (*crypt)->ops->set_key &&
3537             (*crypt)->ops->set_key(param->u.crypt.key,
3538                                    param->u.crypt.key_len, param->u.crypt.seq,
3539                                    (*crypt)->priv) < 0) {
3540                 printk(KERN_DEBUG "%s: key setting failed\n",
3541                        local->dev->name);
3542                 param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
3543                 ret = -EINVAL;
3544                 goto done;
3545         }
3546
3547         if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
3548                 if (!sta_ptr)
3549                         local->crypt_info.tx_keyidx = param->u.crypt.idx;
3550                 else if (param->u.crypt.idx) {
3551                         printk(KERN_DEBUG "%s: TX key idx setting failed\n",
3552                                local->dev->name);
3553                         param->u.crypt.err =
3554                                 HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED;
3555                         ret = -EINVAL;
3556                         goto done;
3557                 }
3558         }
3559
3560  done:
3561         if (sta_ptr)
3562                 hostap_handle_sta_release(sta_ptr);
3563
3564         /* Do not reset port0 if card is in Managed mode since resetting will
3565          * generate new IEEE 802.11 authentication which may end up in looping
3566          * with IEEE 802.1X. Prism2 documentation seem to require port reset
3567          * after WEP configuration. However, keys are apparently changed at
3568          * least in Managed mode. */
3569         if (ret == 0 &&
3570             (hostap_set_encryption(local) ||
3571              (local->iw_mode != IW_MODE_INFRA &&
3572               local->func->reset_port(local->dev)))) {
3573                 param->u.crypt.err = HOSTAP_CRYPT_ERR_CARD_CONF_FAILED;
3574                 return -EINVAL;
3575         }
3576
3577         return ret;
3578 }
3579
3580
3581 static int prism2_ioctl_get_encryption(local_info_t *local,
3582                                        struct prism2_hostapd_param *param,
3583                                        int param_len)
3584 {
3585         struct lib80211_crypt_data **crypt;
3586         void *sta_ptr;
3587         int max_key_len;
3588
3589         param->u.crypt.err = 0;
3590
3591         max_key_len = param_len -
3592                 (int) ((char *) param->u.crypt.key - (char *) param);
3593         if (max_key_len < 0)
3594                 return -EINVAL;
3595
3596         if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
3597             param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
3598             param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
3599                 sta_ptr = NULL;
3600                 if (param->u.crypt.idx >= WEP_KEYS)
3601                         param->u.crypt.idx = local->crypt_info.tx_keyidx;
3602                 crypt = &local->crypt_info.crypt[param->u.crypt.idx];
3603         } else {
3604                 param->u.crypt.idx = 0;
3605                 sta_ptr = ap_crypt_get_ptrs(local->ap, param->sta_addr, 0,
3606                                             &crypt);
3607
3608                 if (sta_ptr == NULL) {
3609                         param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3610                         return -EINVAL;
3611                 }
3612         }
3613
3614         if (*crypt == NULL || (*crypt)->ops == NULL) {
3615                 memcpy(param->u.crypt.alg, "none", 5);
3616                 param->u.crypt.key_len = 0;
3617                 param->u.crypt.idx = 0xff;
3618         } else {
3619                 strncpy(param->u.crypt.alg, (*crypt)->ops->name,
3620                         HOSTAP_CRYPT_ALG_NAME_LEN);
3621                 param->u.crypt.key_len = 0;
3622
3623                 memset(param->u.crypt.seq, 0, 8);
3624                 if ((*crypt)->ops->get_key) {
3625                         param->u.crypt.key_len =
3626                                 (*crypt)->ops->get_key(param->u.crypt.key,
3627                                                        max_key_len,
3628                                                        param->u.crypt.seq,
3629                                                        (*crypt)->priv);
3630                 }
3631         }
3632
3633         if (sta_ptr)
3634                 hostap_handle_sta_release(sta_ptr);
3635
3636         return 0;
3637 }
3638
3639
3640 static int prism2_ioctl_get_rid(local_info_t *local,
3641                                 struct prism2_hostapd_param *param,
3642                                 int param_len)
3643 {
3644         int max_len, res;
3645
3646         max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3647         if (max_len < 0)
3648                 return -EINVAL;
3649
3650         res = local->func->get_rid(local->dev, param->u.rid.rid,
3651                                    param->u.rid.data, param->u.rid.len, 0);
3652         if (res >= 0) {
3653                 param->u.rid.len = res;
3654                 return 0;
3655         }
3656
3657         return res;
3658 }
3659
3660
3661 static int prism2_ioctl_set_rid(local_info_t *local,
3662                                 struct prism2_hostapd_param *param,
3663                                 int param_len)
3664 {
3665         int max_len;
3666
3667         max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3668         if (max_len < 0 || max_len < param->u.rid.len)
3669                 return -EINVAL;
3670
3671         return local->func->set_rid(local->dev, param->u.rid.rid,
3672                                     param->u.rid.data, param->u.rid.len);
3673 }
3674
3675
3676 static int prism2_ioctl_set_assoc_ap_addr(local_info_t *local,
3677                                           struct prism2_hostapd_param *param,
3678                                           int param_len)
3679 {
3680         printk(KERN_DEBUG "%ssta: associated as client with AP %pM\n",
3681                local->dev->name, param->sta_addr);
3682         memcpy(local->assoc_ap_addr, param->sta_addr, ETH_ALEN);
3683         return 0;
3684 }
3685
3686
3687 static int prism2_ioctl_siwgenie(struct net_device *dev,
3688                                  struct iw_request_info *info,
3689                                  struct iw_point *data, char *extra)
3690 {
3691         return prism2_set_genericelement(dev, extra, data->length);
3692 }
3693
3694
3695 static int prism2_ioctl_giwgenie(struct net_device *dev,
3696                                  struct iw_request_info *info,
3697                                  struct iw_point *data, char *extra)
3698 {
3699         struct hostap_interface *iface = netdev_priv(dev);
3700         local_info_t *local = iface->local;
3701         int len = local->generic_elem_len - 2;
3702
3703         if (len <= 0 || local->generic_elem == NULL) {
3704                 data->length = 0;
3705                 return 0;
3706         }
3707
3708         if (data->length < len)
3709                 return -E2BIG;
3710
3711         data->length = len;
3712         memcpy(extra, local->generic_elem + 2, len);
3713
3714         return 0;
3715 }
3716
3717
3718 static int prism2_ioctl_set_generic_element(local_info_t *local,
3719                                             struct prism2_hostapd_param *param,
3720                                             int param_len)
3721 {
3722         int max_len, len;
3723
3724         len = param->u.generic_elem.len;
3725         max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN;
3726         if (max_len < 0 || max_len < len)
3727                 return -EINVAL;
3728
3729         return prism2_set_genericelement(local->dev,
3730                                          param->u.generic_elem.data, len);
3731 }
3732
3733
3734 static int prism2_ioctl_siwmlme(struct net_device *dev,
3735                                 struct iw_request_info *info,
3736                                 struct iw_point *data, char *extra)
3737 {
3738         struct hostap_interface *iface = netdev_priv(dev);
3739         local_info_t *local = iface->local;
3740         struct iw_mlme *mlme = (struct iw_mlme *) extra;
3741         __le16 reason;
3742
3743         reason = cpu_to_le16(mlme->reason_code);
3744
3745         switch (mlme->cmd) {
3746         case IW_MLME_DEAUTH:
3747                 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3748                                             IEEE80211_STYPE_DEAUTH,
3749                                             (u8 *) &reason, 2);
3750         case IW_MLME_DISASSOC:
3751                 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3752                                             IEEE80211_STYPE_DISASSOC,
3753                                             (u8 *) &reason, 2);
3754         default:
3755                 return -EOPNOTSUPP;
3756         }
3757 }
3758
3759
3760 static int prism2_ioctl_mlme(local_info_t *local,
3761                              struct prism2_hostapd_param *param)
3762 {
3763         __le16 reason;
3764
3765         reason = cpu_to_le16(param->u.mlme.reason_code);
3766         switch (param->u.mlme.cmd) {
3767         case MLME_STA_DEAUTH:
3768                 return prism2_sta_send_mgmt(local, param->sta_addr,
3769                                             IEEE80211_STYPE_DEAUTH,
3770                                             (u8 *) &reason, 2);
3771         case MLME_STA_DISASSOC:
3772                 return prism2_sta_send_mgmt(local, param->sta_addr,
3773                                             IEEE80211_STYPE_DISASSOC,
3774                                             (u8 *) &reason, 2);
3775         default:
3776                 return -EOPNOTSUPP;
3777         }
3778 }
3779
3780
3781 static int prism2_ioctl_scan_req(local_info_t *local,
3782                                  struct prism2_hostapd_param *param)
3783 {
3784 #ifndef PRISM2_NO_STATION_MODES
3785         if ((local->iw_mode != IW_MODE_INFRA &&
3786              local->iw_mode != IW_MODE_ADHOC) ||
3787             (local->sta_fw_ver < PRISM2_FW_VER(1,3,1)))
3788                 return -EOPNOTSUPP;
3789
3790         if (!local->dev_enabled)
3791                 return -ENETDOWN;
3792
3793         return prism2_request_hostscan(local->dev, param->u.scan_req.ssid,
3794                                        param->u.scan_req.ssid_len);
3795 #else /* PRISM2_NO_STATION_MODES */
3796         return -EOPNOTSUPP;
3797 #endif /* PRISM2_NO_STATION_MODES */
3798 }
3799
3800
3801 static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p)
3802 {
3803         struct prism2_hostapd_param *param;
3804         int ret = 0;
3805         int ap_ioctl = 0;
3806
3807         if (p->length < sizeof(struct prism2_hostapd_param) ||
3808             p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
3809                 return -EINVAL;
3810
3811         param = kmalloc(p->length, GFP_KERNEL);
3812         if (param == NULL)
3813                 return -ENOMEM;
3814
3815         if (copy_from_user(param, p->pointer, p->length)) {
3816                 ret = -EFAULT;
3817                 goto out;
3818         }
3819
3820         switch (param->cmd) {
3821         case PRISM2_SET_ENCRYPTION:
3822                 ret = prism2_ioctl_set_encryption(local, param, p->length);
3823                 break;
3824         case PRISM2_GET_ENCRYPTION:
3825                 ret = prism2_ioctl_get_encryption(local, param, p->length);
3826                 break;
3827         case PRISM2_HOSTAPD_GET_RID:
3828                 ret = prism2_ioctl_get_rid(local, param, p->length);
3829                 break;
3830         case PRISM2_HOSTAPD_SET_RID:
3831                 ret = prism2_ioctl_set_rid(local, param, p->length);
3832                 break;
3833         case PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR:
3834                 ret = prism2_ioctl_set_assoc_ap_addr(local, param, p->length);
3835                 break;
3836         case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT:
3837                 ret = prism2_ioctl_set_generic_element(local, param,
3838                                                        p->length);
3839                 break;
3840         case PRISM2_HOSTAPD_MLME:
3841                 ret = prism2_ioctl_mlme(local, param);
3842                 break;
3843         case PRISM2_HOSTAPD_SCAN_REQ:
3844                 ret = prism2_ioctl_scan_req(local, param);
3845                 break;
3846         default:
3847                 ret = prism2_hostapd(local->ap, param);
3848                 ap_ioctl = 1;
3849                 break;
3850         }
3851
3852         if (ret == 1 || !ap_ioctl) {
3853                 if (copy_to_user(p->pointer, param, p->length)) {
3854                         ret = -EFAULT;
3855                         goto out;
3856                 } else if (ap_ioctl)
3857                         ret = 0;
3858         }
3859
3860  out:
3861         kfree(param);
3862         return ret;
3863 }
3864
3865
3866 static void prism2_get_drvinfo(struct net_device *dev,
3867                                struct ethtool_drvinfo *info)
3868 {
3869         struct hostap_interface *iface;
3870         local_info_t *local;
3871
3872         iface = netdev_priv(dev);
3873         local = iface->local;
3874
3875         strlcpy(info->driver, "hostap", sizeof(info->driver));
3876         snprintf(info->fw_version, sizeof(info->fw_version),
3877                  "%d.%d.%d", (local->sta_fw_ver >> 16) & 0xff,
3878                  (local->sta_fw_ver >> 8) & 0xff,
3879                  local->sta_fw_ver & 0xff);
3880 }
3881
3882 const struct ethtool_ops prism2_ethtool_ops = {
3883         .get_drvinfo = prism2_get_drvinfo
3884 };
3885
3886
3887 /* Structures to export the Wireless Handlers */
3888
3889 static const iw_handler prism2_handler[] =
3890 {
3891         (iw_handler) NULL,                              /* SIOCSIWCOMMIT */
3892         (iw_handler) prism2_get_name,                   /* SIOCGIWNAME */
3893         (iw_handler) NULL,                              /* SIOCSIWNWID */
3894         (iw_handler) NULL,                              /* SIOCGIWNWID */
3895         (iw_handler) prism2_ioctl_siwfreq,              /* SIOCSIWFREQ */
3896         (iw_handler) prism2_ioctl_giwfreq,              /* SIOCGIWFREQ */
3897         (iw_handler) prism2_ioctl_siwmode,              /* SIOCSIWMODE */
3898         (iw_handler) prism2_ioctl_giwmode,              /* SIOCGIWMODE */
3899         (iw_handler) prism2_ioctl_siwsens,              /* SIOCSIWSENS */
3900         (iw_handler) prism2_ioctl_giwsens,              /* SIOCGIWSENS */
3901         (iw_handler) NULL /* not used */,               /* SIOCSIWRANGE */
3902         (iw_handler) prism2_ioctl_giwrange,             /* SIOCGIWRANGE */
3903         (iw_handler) NULL /* not used */,               /* SIOCSIWPRIV */
3904         (iw_handler) NULL /* kernel code */,            /* SIOCGIWPRIV */
3905         (iw_handler) NULL /* not used */,               /* SIOCSIWSTATS */
3906         (iw_handler) NULL /* kernel code */,            /* SIOCGIWSTATS */
3907         iw_handler_set_spy,                             /* SIOCSIWSPY */
3908         iw_handler_get_spy,                             /* SIOCGIWSPY */
3909         iw_handler_set_thrspy,                          /* SIOCSIWTHRSPY */
3910         iw_handler_get_thrspy,                          /* SIOCGIWTHRSPY */
3911         (iw_handler) prism2_ioctl_siwap,                /* SIOCSIWAP */
3912         (iw_handler) prism2_ioctl_giwap,                /* SIOCGIWAP */
3913         (iw_handler) prism2_ioctl_siwmlme,              /* SIOCSIWMLME */
3914         (iw_handler) prism2_ioctl_giwaplist,            /* SIOCGIWAPLIST */
3915         (iw_handler) prism2_ioctl_siwscan,              /* SIOCSIWSCAN */
3916         (iw_handler) prism2_ioctl_giwscan,              /* SIOCGIWSCAN */
3917         (iw_handler) prism2_ioctl_siwessid,             /* SIOCSIWESSID */
3918         (iw_handler) prism2_ioctl_giwessid,             /* SIOCGIWESSID */
3919         (iw_handler) prism2_ioctl_siwnickn,             /* SIOCSIWNICKN */
3920         (iw_handler) prism2_ioctl_giwnickn,             /* SIOCGIWNICKN */
3921         (iw_handler) NULL,                              /* -- hole -- */
3922         (iw_handler) NULL,                              /* -- hole -- */
3923         (iw_handler) prism2_ioctl_siwrate,              /* SIOCSIWRATE */
3924         (iw_handler) prism2_ioctl_giwrate,              /* SIOCGIWRATE */
3925         (iw_handler) prism2_ioctl_siwrts,               /* SIOCSIWRTS */
3926         (iw_handler) prism2_ioctl_giwrts,               /* SIOCGIWRTS */
3927         (iw_handler) prism2_ioctl_siwfrag,              /* SIOCSIWFRAG */
3928         (iw_handler) prism2_ioctl_giwfrag,              /* SIOCGIWFRAG */
3929         (iw_handler) prism2_ioctl_siwtxpow,             /* SIOCSIWTXPOW */
3930         (iw_handler) prism2_ioctl_giwtxpow,             /* SIOCGIWTXPOW */
3931         (iw_handler) prism2_ioctl_siwretry,             /* SIOCSIWRETRY */
3932         (iw_handler) prism2_ioctl_giwretry,             /* SIOCGIWRETRY */
3933         (iw_handler) prism2_ioctl_siwencode,            /* SIOCSIWENCODE */
3934         (iw_handler) prism2_ioctl_giwencode,            /* SIOCGIWENCODE */
3935         (iw_handler) prism2_ioctl_siwpower,             /* SIOCSIWPOWER */
3936         (iw_handler) prism2_ioctl_giwpower,             /* SIOCGIWPOWER */
3937         (iw_handler) NULL,                              /* -- hole -- */
3938         (iw_handler) NULL,                              /* -- hole -- */
3939         (iw_handler) prism2_ioctl_siwgenie,             /* SIOCSIWGENIE */
3940         (iw_handler) prism2_ioctl_giwgenie,             /* SIOCGIWGENIE */
3941         (iw_handler) prism2_ioctl_siwauth,              /* SIOCSIWAUTH */
3942         (iw_handler) prism2_ioctl_giwauth,              /* SIOCGIWAUTH */
3943         (iw_handler) prism2_ioctl_siwencodeext,         /* SIOCSIWENCODEEXT */
3944         (iw_handler) prism2_ioctl_giwencodeext,         /* SIOCGIWENCODEEXT */
3945         (iw_handler) NULL,                              /* SIOCSIWPMKSA */
3946         (iw_handler) NULL,                              /* -- hole -- */
3947 };
3948
3949 static const iw_handler prism2_private_handler[] =
3950 {                                                       /* SIOCIWFIRSTPRIV + */
3951         (iw_handler) prism2_ioctl_priv_prism2_param,    /* 0 */
3952         (iw_handler) prism2_ioctl_priv_get_prism2_param, /* 1 */
3953         (iw_handler) prism2_ioctl_priv_writemif,        /* 2 */
3954         (iw_handler) prism2_ioctl_priv_readmif,         /* 3 */
3955 };
3956
3957 const struct iw_handler_def hostap_iw_handler_def =
3958 {
3959         .num_standard   = ARRAY_SIZE(prism2_handler),
3960         .num_private    = ARRAY_SIZE(prism2_private_handler),
3961         .num_private_args = ARRAY_SIZE(prism2_priv),
3962         .standard       = (iw_handler *) prism2_handler,
3963         .private        = (iw_handler *) prism2_private_handler,
3964         .private_args   = (struct iw_priv_args *) prism2_priv,
3965         .get_wireless_stats = hostap_get_wireless_stats,
3966 };
3967
3968
3969 int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3970 {
3971         struct iwreq *wrq = (struct iwreq *) ifr;
3972         struct hostap_interface *iface;
3973         local_info_t *local;
3974         int ret = 0;
3975
3976         iface = netdev_priv(dev);
3977         local = iface->local;
3978
3979         switch (cmd) {
3980                 /* Private ioctls (iwpriv) that have not yet been converted
3981                  * into new wireless extensions API */
3982
3983         case PRISM2_IOCTL_INQUIRE:
3984                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3985                 else ret = prism2_ioctl_priv_inquire(dev, (int *) wrq->u.name);
3986                 break;
3987
3988         case PRISM2_IOCTL_MONITOR:
3989                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3990                 else ret = prism2_ioctl_priv_monitor(dev, (int *) wrq->u.name);
3991                 break;
3992
3993         case PRISM2_IOCTL_RESET:
3994                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3995                 else ret = prism2_ioctl_priv_reset(dev, (int *) wrq->u.name);
3996                 break;
3997
3998         case PRISM2_IOCTL_WDS_ADD:
3999                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4000                 else ret = prism2_wds_add(local, wrq->u.ap_addr.sa_data, 1);
4001                 break;
4002
4003         case PRISM2_IOCTL_WDS_DEL:
4004                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4005                 else ret = prism2_wds_del(local, wrq->u.ap_addr.sa_data, 1, 0);
4006                 break;
4007
4008         case PRISM2_IOCTL_SET_RID_WORD:
4009                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4010                 else ret = prism2_ioctl_priv_set_rid_word(dev,
4011                                                           (int *) wrq->u.name);
4012                 break;
4013
4014 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
4015         case PRISM2_IOCTL_MACCMD:
4016                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4017                 else ret = ap_mac_cmd_ioctl(local, (int *) wrq->u.name);
4018                 break;
4019
4020         case PRISM2_IOCTL_ADDMAC:
4021                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4022                 else ret = ap_control_add_mac(&local->ap->mac_restrictions,
4023                                               wrq->u.ap_addr.sa_data);
4024                 break;
4025         case PRISM2_IOCTL_DELMAC:
4026                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4027                 else ret = ap_control_del_mac(&local->ap->mac_restrictions,
4028                                               wrq->u.ap_addr.sa_data);
4029                 break;
4030         case PRISM2_IOCTL_KICKMAC:
4031                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4032                 else ret = ap_control_kick_mac(local->ap, local->dev,
4033                                                wrq->u.ap_addr.sa_data);
4034                 break;
4035 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
4036
4037
4038                 /* Private ioctls that are not used with iwpriv;
4039                  * in SIOCDEVPRIVATE range */
4040
4041 #ifdef PRISM2_DOWNLOAD_SUPPORT
4042         case PRISM2_IOCTL_DOWNLOAD:
4043                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4044                 else ret = prism2_ioctl_priv_download(local, &wrq->u.data);
4045                 break;
4046 #endif /* PRISM2_DOWNLOAD_SUPPORT */
4047
4048         case PRISM2_IOCTL_HOSTAPD:
4049                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4050                 else ret = prism2_ioctl_priv_hostapd(local, &wrq->u.data);
4051                 break;
4052
4053         default:
4054                 ret = -EOPNOTSUPP;
4055                 break;
4056         }
4057
4058         return ret;
4059 }