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