SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/net/wireless/hostap/hostap_ioctl.c

   1 /* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */
   2
   3 #include <linux/types.h>
   4 #include <linux/sched.h>
   5 #include <linux/ethtool.h>
   6 #include <linux/if_arp.h>
   7 #include <net/lib80211.h>
   8
   9 #include "hostap_wlan.h"
  10 #include "hostap.h"
  11 #include "hostap_ap.h"
  12
  13 static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev)
  14 {
  15         struct hostap_interface *iface;
  16         local_info_t *local;
  17         struct iw_statistics *wstats;
  18
  19         iface = netdev_priv(dev);
  20         local = iface->local;
  21
  22         /* Why are we doing that ? Jean II */
  23         if (iface->type != HOSTAP_INTERFACE_MAIN)
  24                 return NULL;
  25
  26         wstats = &local->wstats;
  27
  28         wstats->status = 0;
  29         wstats->discard.code =
  30                 local->comm_tallies.rx_discards_wep_undecryptable;
  31         wstats->discard.misc =
  32                 local->comm_tallies.rx_fcs_errors +
  33                 local->comm_tallies.rx_discards_no_buffer +
  34                 local->comm_tallies.tx_discards_wrong_sa;
  35
  36         wstats->discard.retries =
  37                 local->comm_tallies.tx_retry_limit_exceeded;
  38         wstats->discard.fragment =
  39                 local->comm_tallies.rx_message_in_bad_msg_fragments;
  40
  41         if (local->iw_mode != IW_MODE_MASTER &&
  42             local->iw_mode != IW_MODE_REPEAT) {
  43                 int update = 1;
  44 #ifdef in_atomic
  45                 /* RID reading might sleep and it must not be called in
  46                  * interrupt context or while atomic. However, this
  47                  * function seems to be called while atomic (at least in Linux
  48                  * 2.5.59). Update signal quality values only if in suitable
  49                  * context. Otherwise, previous values read from tick timer
  50                  * will be used. */
  51                 if (in_atomic())
  52                         update = 0;
  53 #endif /* in_atomic */
  54
  55                 if (update && prism2_update_comms_qual(dev) == 0)
  56                         wstats->qual.updated = IW_QUAL_ALL_UPDATED |
  57                                 IW_QUAL_DBM;
  58
  59                 wstats->qual.qual = local->comms_qual;
  60                 wstats->qual.level = local->avg_signal;
  61                 wstats->qual.noise = local->avg_noise;
  62         } else {
  63                 wstats->qual.qual = 0;
  64                 wstats->qual.level = 0;
  65                 wstats->qual.noise = 0;
  66                 wstats->qual.updated = IW_QUAL_ALL_INVALID;
  67         }
  68
  69         return wstats;
  70 }
  71
  72
  73 static int prism2_get_datarates(struct net_device *dev, u8 *rates)
  74 {
  75         struct hostap_interface *iface;
  76         local_info_t *local;
  77         u8 buf[12];
  78         int len;
  79         u16 val;
  80
  81         iface = netdev_priv(dev);
  82         local = iface->local;
  83
  84         len = local->func->get_rid(dev, HFA384X_RID_SUPPORTEDDATARATES, buf,
  85                                    sizeof(buf), 0);
  86         if (len < 2)
  87                 return 0;
  88
  89         val = le16_to_cpu(*(__le16 *) buf); /* string length */
  90
  91         if (len - 2 < val || val > 10)
  92                 return 0;
  93
  94         memcpy(rates, buf + 2, val);
  95         return val;
  96 }
  97
  98
  99 static int prism2_get_name(struct net_device *dev,
 100                            struct iw_request_info *info,
 101                            char *name, char *extra)
 102 {
 103         u8 rates[10];
 104         int len, i, over2 = 0;
 105
 106         len = prism2_get_datarates(dev, rates);
 107
 108         for (i = 0; i < len; i++) {
 109                 if (rates[i] == 0x0b || rates[i] == 0x16) {
 110                         over2 = 1;
 111                         break;
 112                 }
 113         }
 114
 115         strcpy(name, over2 ? "IEEE 802.11b" : "IEEE 802.11-DS");
 116
 117         return 0;
 118 }
 119
 120
 121 static int prism2_ioctl_siwencode(struct net_device *dev,
 122                                   struct iw_request_info *info,
 123                                   struct iw_point *erq, char *keybuf)
 124 {
 125         struct hostap_interface *iface;
 126         local_info_t *local;
 127         int i;
 128         struct lib80211_crypt_data **crypt;
 129
 130         iface = netdev_priv(dev);
 131         local = iface->local;
 132
 133         i = erq->flags & IW_ENCODE_INDEX;
 134         if (i < 1 || i > 4)
 135                 i = local->crypt_info.tx_keyidx;
 136         else
 137                 i--;
 138         if (i < 0 || i >= WEP_KEYS)
 139                 return -EINVAL;
 140
 141         crypt = &local->crypt_info.crypt[i];
 142
 143         if (erq->flags & IW_ENCODE_DISABLED) {
 144                 if (*crypt)
 145                         lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
 146                 goto done;
 147         }
 148
 149         if (*crypt != NULL && (*crypt)->ops != NULL &&
 150             strcmp((*crypt)->ops->name, "WEP") != 0) {
 151                 /* changing to use WEP; deinit previously used algorithm */
 152                 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
 153         }
 154
 155         if (*crypt == NULL) {
 156                 struct lib80211_crypt_data *new_crypt;
 157
 158                 /* take WEP into use */
 159                 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
 160                                 GFP_KERNEL);
 161                 if (new_crypt == NULL)
 162                         return -ENOMEM;
 163                 new_crypt->ops = lib80211_get_crypto_ops("WEP");
 164                 if (!new_crypt->ops) {
 165                         request_module("lib80211_crypt_wep");
 166                         new_crypt->ops = lib80211_get_crypto_ops("WEP");
 167                 }
 168                 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
 169                         new_crypt->priv = new_crypt->ops->init(i);
 170                 if (!new_crypt->ops || !new_crypt->priv) {
 171                         kfree(new_crypt);
 172                         new_crypt = NULL;
 173
 174                         printk(KERN_WARNING "%s: could not initialize WEP: "
 175                                "load module hostap_crypt_wep.o\n",
 176                                dev->name);
 177                         return -EOPNOTSUPP;
 178                 }
 179                 *crypt = new_crypt;
 180         }
 181
 182         if (erq->length > 0) {
 183                 int len = erq->length <= 5 ? 5 : 13;
 184                 int first = 1, j;
 185                 if (len > erq->length)
 186                         memset(keybuf + erq->length, 0, len - erq->length);
 187                 (*crypt)->ops->set_key(keybuf, len, NULL, (*crypt)->priv);
 188                 for (j = 0; j < WEP_KEYS; j++) {
 189                         if (j != i && local->crypt_info.crypt[j]) {
 190                                 first = 0;
 191                                 break;
 192                         }
 193                 }
 194                 if (first)
 195                         local->crypt_info.tx_keyidx = i;
 196         } else {
 197                 /* No key data - just set the default TX key index */
 198                 local->crypt_info.tx_keyidx = i;
 199         }
 200
 201  done:
 202         local->open_wep = erq->flags & IW_ENCODE_OPEN;
 203
 204         if (hostap_set_encryption(local)) {
 205                 printk(KERN_DEBUG "%s: set_encryption failed\n", dev->name);
 206                 return -EINVAL;
 207         }
 208
 209         /* Do not reset port0 if card is in Managed mode since resetting will
 210          * generate new IEEE 802.11 authentication which may end up in looping
 211          * with IEEE 802.1X. Prism2 documentation seem to require port reset
 212          * after WEP configuration. However, keys are apparently changed at
 213          * least in Managed mode. */
 214         if (local->iw_mode != IW_MODE_INFRA && local->func->reset_port(dev)) {
 215                 printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
 216                 return -EINVAL;
 217         }
 218
 219         return 0;
 220 }
 221
 222
 223 static int prism2_ioctl_giwencode(struct net_device *dev,
 224                                   struct iw_request_info *info,
 225                                   struct iw_point *erq, char *key)
 226 {
 227         struct hostap_interface *iface;
 228         local_info_t *local;
 229         int i, len;
 230         u16 val;
 231         struct lib80211_crypt_data *crypt;
 232
 233         iface = netdev_priv(dev);
 234         local = iface->local;
 235
 236         i = erq->flags & IW_ENCODE_INDEX;
 237         if (i < 1 || i > 4)
 238                 i = local->crypt_info.tx_keyidx;
 239         else
 240                 i--;
 241         if (i < 0 || i >= WEP_KEYS)
 242                 return -EINVAL;
 243
 244         crypt = local->crypt_info.crypt[i];
 245         erq->flags = i + 1;
 246
 247         if (crypt == NULL || crypt->ops == NULL) {
 248                 erq->length = 0;
 249                 erq->flags |= IW_ENCODE_DISABLED;
 250                 return 0;
 251         }
 252
 253         if (strcmp(crypt->ops->name, "WEP") != 0) {
 254                 /* only WEP is supported with wireless extensions, so just
 255                  * report that encryption is used */
 256                 erq->length = 0;
 257                 erq->flags |= IW_ENCODE_ENABLED;
 258                 return 0;
 259         }
 260
 261         /* Reads from HFA384X_RID_CNFDEFAULTKEY* return bogus values, so show
 262          * the keys from driver buffer */
 263         len = crypt->ops->get_key(key, WEP_KEY_LEN, NULL, crypt->priv);
 264         erq->length = (len >= 0 ? len : 0);
 265
 266         if (local->func->get_rid(dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, 1) < 0)
 267         {
 268                 printk("CNFWEPFLAGS reading failed\n");
 269                 return -EOPNOTSUPP;
 270         }
 271         le16_to_cpus(&val);
 272         if (val & HFA384X_WEPFLAGS_PRIVACYINVOKED)
 273                 erq->flags |= IW_ENCODE_ENABLED;
 274         else
 275                 erq->flags |= IW_ENCODE_DISABLED;
 276         if (val & HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED)
 277                 erq->flags |= IW_ENCODE_RESTRICTED;
 278         else
 279                 erq->flags |= IW_ENCODE_OPEN;
 280
 281         return 0;
 282 }
 283
 284
 285 static int hostap_set_rate(struct net_device *dev)
 286 {
 287         struct hostap_interface *iface;
 288         local_info_t *local;
 289         int ret, basic_rates;
 290
 291         iface = netdev_priv(dev);
 292         local = iface->local;
 293
 294         basic_rates = local->basic_rates & local->tx_rate_control;
 295         if (!basic_rates || basic_rates != local->basic_rates) {
 296                 printk(KERN_INFO "%s: updating basic rate set automatically "
 297                        "to match with the new supported rate set\n",
 298                        dev->name);
 299                 if (!basic_rates)
 300                         basic_rates = local->tx_rate_control;
 301
 302                 local->basic_rates = basic_rates;
 303                 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
 304                                     basic_rates))
 305                         printk(KERN_WARNING "%s: failed to set "
 306                                "cnfBasicRates\n", dev->name);
 307         }
 308
 309         ret = (hostap_set_word(dev, HFA384X_RID_TXRATECONTROL,
 310                                local->tx_rate_control) ||
 311                hostap_set_word(dev, HFA384X_RID_CNFSUPPORTEDRATES,
 312                                local->tx_rate_control) ||
 313                local->func->reset_port(dev));
 314
 315         if (ret) {
 316                 printk(KERN_WARNING "%s: TXRateControl/cnfSupportedRates "
 317                        "setting to 0x%x failed\n",
 318                        dev->name, local->tx_rate_control);
 319         }
 320
 321         /* Update TX rate configuration for all STAs based on new operational
 322          * rate set. */
 323         hostap_update_rates(local);
 324
 325         return ret;
 326 }
 327
 328
 329 static int prism2_ioctl_siwrate(struct net_device *dev,
 330                                 struct iw_request_info *info,
 331                                 struct iw_param *rrq, char *extra)
 332 {
 333         struct hostap_interface *iface;
 334         local_info_t *local;
 335
 336         iface = netdev_priv(dev);
 337         local = iface->local;
 338
 339         if (rrq->fixed) {
 340                 switch (rrq->value) {
 341                 case 11000000:
 342                         local->tx_rate_control = HFA384X_RATES_11MBPS;
 343                         break;
 344                 case 5500000:
 345                         local->tx_rate_control = HFA384X_RATES_5MBPS;
 346                         break;
 347                 case 2000000:
 348                         local->tx_rate_control = HFA384X_RATES_2MBPS;
 349                         break;
 350                 case 1000000:
 351                         local->tx_rate_control = HFA384X_RATES_1MBPS;
 352                         break;
 353                 default:
 354                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 355                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
 356                                 HFA384X_RATES_11MBPS;
 357                         break;
 358                 }
 359         } else {
 360                 switch (rrq->value) {
 361                 case 11000000:
 362                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 363                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
 364                                 HFA384X_RATES_11MBPS;
 365                         break;
 366                 case 5500000:
 367                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 368                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS;
 369                         break;
 370                 case 2000000:
 371                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 372                                 HFA384X_RATES_2MBPS;
 373                         break;
 374                 case 1000000:
 375                         local->tx_rate_control = HFA384X_RATES_1MBPS;
 376                         break;
 377                 default:
 378                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 379                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
 380                                 HFA384X_RATES_11MBPS;
 381                         break;
 382                 }
 383         }
 384
 385         return hostap_set_rate(dev);
 386 }
 387
 388
 389 static int prism2_ioctl_giwrate(struct net_device *dev,
 390                                 struct iw_request_info *info,
 391                                 struct iw_param *rrq, char *extra)
 392 {
 393         u16 val;
 394         struct hostap_interface *iface;
 395         local_info_t *local;
 396         int ret = 0;
 397
 398         iface = netdev_priv(dev);
 399         local = iface->local;
 400
 401         if (local->func->get_rid(dev, HFA384X_RID_TXRATECONTROL, &val, 2, 1) <
 402             0)
 403                 return -EINVAL;
 404
 405         if ((val & 0x1) && (val > 1))
 406                 rrq->fixed = 0;
 407         else
 408                 rrq->fixed = 1;
 409
 410         if (local->iw_mode == IW_MODE_MASTER && local->ap != NULL &&
 411             !local->fw_tx_rate_control) {
 412                 /* HFA384X_RID_CURRENTTXRATE seems to always be 2 Mbps in
 413                  * Host AP mode, so use the recorded TX rate of the last sent
 414                  * frame */
 415                 rrq->value = local->ap->last_tx_rate > 0 ?
 416                         local->ap->last_tx_rate * 100000 : 11000000;
 417                 return 0;
 418         }
 419
 420         if (local->func->get_rid(dev, HFA384X_RID_CURRENTTXRATE, &val, 2, 1) <
 421             0)
 422                 return -EINVAL;
 423
 424         switch (val) {
 425         case HFA384X_RATES_1MBPS:
 426                 rrq->value = 1000000;
 427                 break;
 428         case HFA384X_RATES_2MBPS:
 429                 rrq->value = 2000000;
 430                 break;
 431         case HFA384X_RATES_5MBPS:
 432                 rrq->value = 5500000;
 433                 break;
 434         case HFA384X_RATES_11MBPS:
 435                 rrq->value = 11000000;
 436                 break;
 437         default:
 438                 /* should not happen */
 439                 rrq->value = 11000000;
 440                 ret = -EINVAL;
 441                 break;
 442         }
 443
 444         return ret;
 445 }
 446
 447
 448 static int prism2_ioctl_siwsens(struct net_device *dev,
 449                                 struct iw_request_info *info,
 450                                 struct iw_param *sens, char *extra)
 451 {
 452         struct hostap_interface *iface;
 453         local_info_t *local;
 454
 455         iface = netdev_priv(dev);
 456         local = iface->local;
 457
 458         /* Set the desired AP density */
 459         if (sens->value < 1 || sens->value > 3)
 460                 return -EINVAL;
 461
 462         if (hostap_set_word(dev, HFA384X_RID_CNFSYSTEMSCALE, sens->value) ||
 463             local->func->reset_port(dev))
 464                 return -EINVAL;
 465
 466         return 0;
 467 }
 468
 469 static int prism2_ioctl_giwsens(struct net_device *dev,
 470                                 struct iw_request_info *info,
 471                                 struct iw_param *sens, char *extra)
 472 {
 473         struct hostap_interface *iface;
 474         local_info_t *local;
 475         __le16 val;
 476
 477         iface = netdev_priv(dev);
 478         local = iface->local;
 479
 480         /* Get the current AP density */
 481         if (local->func->get_rid(dev, HFA384X_RID_CNFSYSTEMSCALE, &val, 2, 1) <
 482             0)
 483                 return -EINVAL;
 484
 485         sens->value = le16_to_cpu(val);
 486         sens->fixed = 1;
 487
 488         return 0;
 489 }
 490
 491
 492 /* Deprecated in new wireless extension API */
 493 static int prism2_ioctl_giwaplist(struct net_device *dev,
 494                                   struct iw_request_info *info,
 495                                   struct iw_point *data, char *extra)
 496 {
 497         struct hostap_interface *iface;
 498         local_info_t *local;
 499         struct sockaddr *addr;
 500         struct iw_quality *qual;
 501
 502         iface = netdev_priv(dev);
 503         local = iface->local;
 504
 505         if (local->iw_mode != IW_MODE_MASTER) {
 506                 printk(KERN_DEBUG "SIOCGIWAPLIST is currently only supported "
 507                        "in Host AP mode\n");
 508                 data->length = 0;
 509                 return -EOPNOTSUPP;
 510         }
 511
 512         addr = kmalloc(sizeof(struct sockaddr) * IW_MAX_AP, GFP_KERNEL);
 513         qual = kmalloc(sizeof(struct iw_quality) * IW_MAX_AP, GFP_KERNEL);
 514         if (addr == NULL || qual == NULL) {
 515                 kfree(addr);
 516                 kfree(qual);
 517                 data->length = 0;
 518                 return -ENOMEM;
 519         }
 520
 521         data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1);
 522
 523         memcpy(extra, &addr, sizeof(struct sockaddr) * data->length);
 524         data->flags = 1; /* has quality information */
 525         memcpy(extra + sizeof(struct sockaddr) * data->length, &qual,
 526                sizeof(struct iw_quality) * data->length);
 527
 528         kfree(addr);
 529         kfree(qual);
 530         return 0;
 531 }
 532
 533
 534 static int prism2_ioctl_siwrts(struct net_device *dev,
 535                                struct iw_request_info *info,
 536                                struct iw_param *rts, char *extra)
 537 {
 538         struct hostap_interface *iface;
 539         local_info_t *local;
 540         __le16 val;
 541
 542         iface = netdev_priv(dev);
 543         local = iface->local;
 544
 545         if (rts->disabled)
 546                 val = cpu_to_le16(2347);
 547         else if (rts->value < 0 || rts->value > 2347)
 548                 return -EINVAL;
 549         else
 550                 val = cpu_to_le16(rts->value);
 551
 552         if (local->func->set_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2) ||
 553             local->func->reset_port(dev))
 554                 return -EINVAL;
 555
 556         local->rts_threshold = rts->value;
 557
 558         return 0;
 559 }
 560
 561 static int prism2_ioctl_giwrts(struct net_device *dev,
 562                                struct iw_request_info *info,
 563                                struct iw_param *rts, char *extra)
 564 {
 565         struct hostap_interface *iface;
 566         local_info_t *local;
 567         __le16 val;
 568
 569         iface = netdev_priv(dev);
 570         local = iface->local;
 571
 572         if (local->func->get_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2, 1) <
 573             0)
 574                 return -EINVAL;
 575
 576         rts->value = le16_to_cpu(val);
 577         rts->disabled = (rts->value == 2347);
 578         rts->fixed = 1;
 579
 580         return 0;
 581 }
 582
 583
 584 static int prism2_ioctl_siwfrag(struct net_device *dev,
 585                                 struct iw_request_info *info,
 586                                 struct iw_param *rts, char *extra)
 587 {
 588         struct hostap_interface *iface;
 589         local_info_t *local;
 590         __le16 val;
 591
 592         iface = netdev_priv(dev);
 593         local = iface->local;
 594
 595         if (rts->disabled)
 596                 val = cpu_to_le16(2346);
 597         else if (rts->value < 256 || rts->value > 2346)
 598                 return -EINVAL;
 599         else
 600                 val = cpu_to_le16(rts->value & ~0x1); /* even numbers only */
 601
 602         local->fragm_threshold = rts->value & ~0x1;
 603         if (local->func->set_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, &val,
 604                                  2)
 605             || local->func->reset_port(dev))
 606                 return -EINVAL;
 607
 608         return 0;
 609 }
 610
 611 static int prism2_ioctl_giwfrag(struct net_device *dev,
 612                                 struct iw_request_info *info,
 613                                 struct iw_param *rts, char *extra)
 614 {
 615         struct hostap_interface *iface;
 616         local_info_t *local;
 617         __le16 val;
 618
 619         iface = netdev_priv(dev);
 620         local = iface->local;
 621
 622         if (local->func->get_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD,
 623                                  &val, 2, 1) < 0)
 624                 return -EINVAL;
 625
 626         rts->value = le16_to_cpu(val);
 627         rts->disabled = (rts->value == 2346);
 628         rts->fixed = 1;
 629
 630         return 0;
 631 }
 632
 633
 634 #ifndef PRISM2_NO_STATION_MODES
 635 static int hostap_join_ap(struct net_device *dev)
 636 {
 637         struct hostap_interface *iface;
 638         local_info_t *local;
 639         struct hfa384x_join_request req;
 640         unsigned long flags;
 641         int i;
 642         struct hfa384x_hostscan_result *entry;
 643
 644         iface = netdev_priv(dev);
 645         local = iface->local;
 646
 647         memcpy(req.bssid, local->preferred_ap, ETH_ALEN);
 648         req.channel = 0;
 649
 650         spin_lock_irqsave(&local->lock, flags);
 651         for (i = 0; i < local->last_scan_results_count; i++) {
 652                 if (!local->last_scan_results)
 653                         break;
 654                 entry = &local->last_scan_results[i];
 655                 if (memcmp(local->preferred_ap, entry->bssid, ETH_ALEN) == 0) {
 656                         req.channel = entry->chid;
 657                         break;
 658                 }
 659         }
 660         spin_unlock_irqrestore(&local->lock, flags);
 661
 662         if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req,
 663                                  sizeof(req))) {
 664                 printk(KERN_DEBUG "%s: JoinRequest %pM failed\n",
 665                        dev->name, local->preferred_ap);
 666                 return -1;
 667         }
 668
 669         printk(KERN_DEBUG "%s: Trying to join BSSID %pM\n",
 670                dev->name, local->preferred_ap);
 671
 672         return 0;
 673 }
 674 #endif /* PRISM2_NO_STATION_MODES */
 675
 676
 677 static int prism2_ioctl_siwap(struct net_device *dev,
 678                               struct iw_request_info *info,
 679                               struct sockaddr *ap_addr, char *extra)
 680 {
 681 #ifdef PRISM2_NO_STATION_MODES
 682         return -EOPNOTSUPP;
 683 #else /* PRISM2_NO_STATION_MODES */
 684         struct hostap_interface *iface;
 685         local_info_t *local;
 686
 687         iface = netdev_priv(dev);
 688         local = iface->local;
 689
 690         memcpy(local->preferred_ap, &ap_addr->sa_data, ETH_ALEN);
 691
 692         if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) {
 693                 struct hfa384x_scan_request scan_req;
 694                 memset(&scan_req, 0, sizeof(scan_req));
 695                 scan_req.channel_list = cpu_to_le16(0x3fff);
 696                 scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
 697                 if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST,
 698                                          &scan_req, sizeof(scan_req))) {
 699                         printk(KERN_DEBUG "%s: ScanResults request failed - "
 700                                "preferred AP delayed to next unsolicited "
 701                                "scan\n", dev->name);
 702                 }
 703         } else if (local->host_roaming == 2 &&
 704                    local->iw_mode == IW_MODE_INFRA) {
 705                 if (hostap_join_ap(dev))
 706                         return -EINVAL;
 707         } else {
 708                 printk(KERN_DEBUG "%s: Preferred AP (SIOCSIWAP) is used only "
 709                        "in Managed mode when host_roaming is enabled\n",
 710                        dev->name);
 711         }
 712
 713         return 0;
 714 #endif /* PRISM2_NO_STATION_MODES */
 715 }
 716
 717 static int prism2_ioctl_giwap(struct net_device *dev,
 718                               struct iw_request_info *info,
 719                               struct sockaddr *ap_addr, char *extra)
 720 {
 721         struct hostap_interface *iface;
 722         local_info_t *local;
 723
 724         iface = netdev_priv(dev);
 725         local = iface->local;
 726
 727         ap_addr->sa_family = ARPHRD_ETHER;
 728         switch (iface->type) {
 729         case HOSTAP_INTERFACE_AP:
 730                 memcpy(&ap_addr->sa_data, dev->dev_addr, ETH_ALEN);
 731                 break;
 732         case HOSTAP_INTERFACE_STA:
 733                 memcpy(&ap_addr->sa_data, local->assoc_ap_addr, ETH_ALEN);
 734                 break;
 735         case HOSTAP_INTERFACE_WDS:
 736                 memcpy(&ap_addr->sa_data, iface->u.wds.remote_addr, ETH_ALEN);
 737                 break;
 738         default:
 739                 if (local->func->get_rid(dev, HFA384X_RID_CURRENTBSSID,
 740                                          &ap_addr->sa_data, ETH_ALEN, 1) < 0)
 741                         return -EOPNOTSUPP;
 742
 743                 /* local->bssid is also updated in LinkStatus handler when in
 744                  * station mode */
 745                 memcpy(local->bssid, &ap_addr->sa_data, ETH_ALEN);
 746                 break;
 747         }
 748
 749         return 0;
 750 }
 751
 752
 753 static int prism2_ioctl_siwnickn(struct net_device *dev,
 754                                  struct iw_request_info *info,
 755                                  struct iw_point *data, char *nickname)
 756 {
 757         struct hostap_interface *iface;
 758         local_info_t *local;
 759
 760         iface = netdev_priv(dev);
 761         local = iface->local;
 762
 763         memset(local->name, 0, sizeof(local->name));
 764         memcpy(local->name, nickname, data->length);
 765         local->name_set = 1;
 766
 767         if (hostap_set_string(dev, HFA384X_RID_CNFOWNNAME, local->name) ||
 768             local->func->reset_port(dev))
 769                 return -EINVAL;
 770
 771         return 0;
 772 }
 773
 774 static int prism2_ioctl_giwnickn(struct net_device *dev,
 775                                  struct iw_request_info *info,
 776                                  struct iw_point *data, char *nickname)
 777 {
 778         struct hostap_interface *iface;
 779         local_info_t *local;
 780         int len;
 781         char name[MAX_NAME_LEN + 3];
 782         u16 val;
 783
 784         iface = netdev_priv(dev);
 785         local = iface->local;
 786
 787         len = local->func->get_rid(dev, HFA384X_RID_CNFOWNNAME,
 788                                    &name, MAX_NAME_LEN + 2, 0);
 789         val = le16_to_cpu(*(__le16 *) name);
 790         if (len > MAX_NAME_LEN + 2 || len < 0 || val > MAX_NAME_LEN)
 791                 return -EOPNOTSUPP;
 792
 793         name[val + 2] = '\0';
 794         data->length = val + 1;
 795         memcpy(nickname, name + 2, val + 1);
 796
 797         return 0;
 798 }
 799
 800
 801 static int prism2_ioctl_siwfreq(struct net_device *dev,
 802                                 struct iw_request_info *info,
 803                                 struct iw_freq *freq, char *extra)
 804 {
 805         struct hostap_interface *iface;
 806         local_info_t *local;
 807
 808         iface = netdev_priv(dev);
 809         local = iface->local;
 810
 811         /* freq => chan. */
 812         if (freq->e == 1 &&
 813             freq->m / 100000 >= freq_list[0] &&
 814             freq->m / 100000 <= freq_list[FREQ_COUNT - 1]) {
 815                 int ch;
 816                 int fr = freq->m / 100000;
 817                 for (ch = 0; ch < FREQ_COUNT; ch++) {
 818                         if (fr == freq_list[ch]) {
 819                                 freq->e = 0;
 820                                 freq->m = ch + 1;
 821                                 break;
 822                         }
 823                 }
 824         }
 825
 826         if (freq->e != 0 || freq->m < 1 || freq->m > FREQ_COUNT ||
 827             !(local->channel_mask & (1 << (freq->m - 1))))
 828                 return -EINVAL;
 829
 830         local->channel = freq->m; /* channel is used in prism2_setup_rids() */
 831         if (hostap_set_word(dev, HFA384X_RID_CNFOWNCHANNEL, local->channel) ||
 832             local->func->reset_port(dev))
 833                 return -EINVAL;
 834
 835         return 0;
 836 }
 837
 838 static int prism2_ioctl_giwfreq(struct net_device *dev,
 839                                 struct iw_request_info *info,
 840                                 struct iw_freq *freq, char *extra)
 841 {
 842         struct hostap_interface *iface;
 843         local_info_t *local;
 844         u16 val;
 845
 846         iface = netdev_priv(dev);
 847         local = iface->local;
 848
 849         if (local->func->get_rid(dev, HFA384X_RID_CURRENTCHANNEL, &val, 2, 1) <
 850             0)
 851                 return -EINVAL;
 852
 853         le16_to_cpus(&val);
 854         if (val < 1 || val > FREQ_COUNT)
 855                 return -EINVAL;
 856
 857         freq->m = freq_list[val - 1] * 100000;
 858         freq->e = 1;
 859
 860         return 0;
 861 }
 862
 863
 864 static void hostap_monitor_set_type(local_info_t *local)
 865 {
 866         struct net_device *dev = local->ddev;
 867
 868         if (dev == NULL)
 869                 return;
 870
 871         if (local->monitor_type == PRISM2_MONITOR_PRISM ||
 872             local->monitor_type == PRISM2_MONITOR_CAPHDR) {
 873                 dev->type = ARPHRD_IEEE80211_PRISM;
 874         } else if (local->monitor_type == PRISM2_MONITOR_RADIOTAP) {
 875                 dev->type = ARPHRD_IEEE80211_RADIOTAP;
 876         } else {
 877                 dev->type = ARPHRD_IEEE80211;
 878         }
 879 }
 880
 881
 882 static int prism2_ioctl_siwessid(struct net_device *dev,
 883                                  struct iw_request_info *info,
 884                                  struct iw_point *data, char *ssid)
 885 {
 886         struct hostap_interface *iface;
 887         local_info_t *local;
 888
 889         iface = netdev_priv(dev);
 890         local = iface->local;
 891
 892         if (iface->type == HOSTAP_INTERFACE_WDS)
 893                 return -EOPNOTSUPP;
 894
 895         if (data->flags == 0)
 896                 ssid[0] = '\0'; /* ANY */
 897
 898         if (local->iw_mode == IW_MODE_MASTER && ssid[0] == '\0') {
 899                 /* Setting SSID to empty string seems to kill the card in
 900                  * Host AP mode */
 901                 printk(KERN_DEBUG "%s: Host AP mode does not support "
 902                        "'Any' essid\n", dev->name);
 903                 return -EINVAL;
 904         }
 905
 906         memcpy(local->essid, ssid, data->length);
 907         local->essid[data->length] = '\0';
 908
 909         if ((!local->fw_ap &&
 910              hostap_set_string(dev, HFA384X_RID_CNFDESIREDSSID, local->essid))
 911             || hostap_set_string(dev, HFA384X_RID_CNFOWNSSID, local->essid) ||
 912             local->func->reset_port(dev))
 913                 return -EINVAL;
 914
 915         return 0;
 916 }
 917
 918 static int prism2_ioctl_giwessid(struct net_device *dev,
 919                                  struct iw_request_info *info,
 920                                  struct iw_point *data, char *essid)
 921 {
 922         struct hostap_interface *iface;
 923         local_info_t *local;
 924         u16 val;
 925
 926         iface = netdev_priv(dev);
 927         local = iface->local;
 928
 929         if (iface->type == HOSTAP_INTERFACE_WDS)
 930                 return -EOPNOTSUPP;
 931
 932         data->flags = 1; /* active */
 933         if (local->iw_mode == IW_MODE_MASTER) {
 934                 data->length = strlen(local->essid);
 935                 memcpy(essid, local->essid, IW_ESSID_MAX_SIZE);
 936         } else {
 937                 int len;
 938                 char ssid[MAX_SSID_LEN + 2];
 939                 memset(ssid, 0, sizeof(ssid));
 940                 len = local->func->get_rid(dev, HFA384X_RID_CURRENTSSID,
 941                                            &ssid, MAX_SSID_LEN + 2, 0);
 942                 val = le16_to_cpu(*(__le16 *) ssid);
 943                 if (len > MAX_SSID_LEN + 2 || len < 0 || val > MAX_SSID_LEN) {
 944                         return -EOPNOTSUPP;
 945                 }
 946                 data->length = val;
 947                 memcpy(essid, ssid + 2, IW_ESSID_MAX_SIZE);
 948         }
 949
 950         return 0;
 951 }
 952
 953
 954 static int prism2_ioctl_giwrange(struct net_device *dev,
 955                                  struct iw_request_info *info,
 956                                  struct iw_point *data, char *extra)
 957 {
 958         struct hostap_interface *iface;
 959         local_info_t *local;
 960         struct iw_range *range = (struct iw_range *) extra;
 961         u8 rates[10];
 962         u16 val;
 963         int i, len, over2;
 964
 965         iface = netdev_priv(dev);
 966         local = iface->local;
 967
 968         data->length = sizeof(struct iw_range);
 969         memset(range, 0, sizeof(struct iw_range));
 970
 971         /* TODO: could fill num_txpower and txpower array with
 972          * something; however, there are 128 different values.. */
 973
 974         range->txpower_capa = IW_TXPOW_DBM;
 975
 976         if (local->iw_mode == IW_MODE_INFRA || local->iw_mode == IW_MODE_ADHOC)
 977         {
 978                 range->min_pmp = 1 * 1024;
 979                 range->max_pmp = 65535 * 1024;
 980                 range->min_pmt = 1 * 1024;
 981                 range->max_pmt = 1000 * 1024;
 982                 range->pmp_flags = IW_POWER_PERIOD;
 983                 range->pmt_flags = IW_POWER_TIMEOUT;
 984                 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT |
 985                         IW_POWER_UNICAST_R | IW_POWER_ALL_R;
 986         }
 987
 988         range->we_version_compiled = WIRELESS_EXT;
 989         range->we_version_source = 18;
 990
 991         range->retry_capa = IW_RETRY_LIMIT;
 992         range->retry_flags = IW_RETRY_LIMIT;
 993         range->min_retry = 0;
 994         range->max_retry = 255;
 995
 996         range->num_channels = FREQ_COUNT;
 997
 998         val = 0;
 999         for (i = 0; i < FREQ_COUNT; i++) {
1000                 if (local->channel_mask & (1 << i)) {
1001                         range->freq[val].i = i + 1;
1002                         range->freq[val].m = freq_list[i] * 100000;
1003                         range->freq[val].e = 1;
1004                         val++;
1005                 }
1006                 if (val == IW_MAX_FREQUENCIES)
1007                         break;
1008         }
1009         range->num_frequency = val;
1010
1011         if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) {
1012                 range->max_qual.qual = 70; /* what is correct max? This was not
1013                                             * documented exactly. At least
1014                                             * 69 has been observed. */
1015                 range->max_qual.level = 0; /* dB */
1016                 range->max_qual.noise = 0; /* dB */
1017
1018                 /* What would be suitable values for "average/typical" qual? */
1019                 range->avg_qual.qual = 20;
1020                 range->avg_qual.level = -60;
1021                 range->avg_qual.noise = -95;
1022         } else {
1023                 range->max_qual.qual = 92; /* 0 .. 92 */
1024                 range->max_qual.level = 154; /* 27 .. 154 */
1025                 range->max_qual.noise = 154; /* 27 .. 154 */
1026         }
1027         range->sensitivity = 3;
1028
1029         range->max_encoding_tokens = WEP_KEYS;
1030         range->num_encoding_sizes = 2;
1031         range->encoding_size[0] = 5;
1032         range->encoding_size[1] = 13;
1033
1034         over2 = 0;
1035         len = prism2_get_datarates(dev, rates);
1036         range->num_bitrates = 0;
1037         for (i = 0; i < len; i++) {
1038                 if (range->num_bitrates < IW_MAX_BITRATES) {
1039                         range->bitrate[range->num_bitrates] =
1040                                 rates[i] * 500000;
1041                         range->num_bitrates++;
1042                 }
1043                 if (rates[i] == 0x0b || rates[i] == 0x16)
1044                         over2 = 1;
1045         }
1046         /* estimated maximum TCP throughput values (bps) */
1047         range->throughput = over2 ? 5500000 : 1500000;
1048
1049         range->min_rts = 0;
1050         range->max_rts = 2347;
1051         range->min_frag = 256;
1052         range->max_frag = 2346;
1053
1054         /* Event capability (kernel + driver) */
1055         range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
1056                                 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
1057                                 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
1058                                 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
1059         range->event_capa[1] = IW_EVENT_CAPA_K_1;
1060         range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVTXDROP) |
1061                                 IW_EVENT_CAPA_MASK(IWEVCUSTOM) |
1062                                 IW_EVENT_CAPA_MASK(IWEVREGISTERED) |
1063                                 IW_EVENT_CAPA_MASK(IWEVEXPIRED));
1064
1065         range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
1066                 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
1067
1068         if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1069                 range->scan_capa = IW_SCAN_CAPA_ESSID;
1070
1071         return 0;
1072 }
1073
1074
1075 static int hostap_monitor_mode_enable(local_info_t *local)
1076 {
1077         struct net_device *dev = local->dev;
1078
1079         printk(KERN_DEBUG "Enabling monitor mode\n");
1080         hostap_monitor_set_type(local);
1081
1082         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1083                             HFA384X_PORTTYPE_PSEUDO_IBSS)) {
1084                 printk(KERN_DEBUG "Port type setting for monitor mode "
1085                        "failed\n");
1086                 return -EOPNOTSUPP;
1087         }
1088
1089         /* Host decrypt is needed to get the IV and ICV fields;
1090          * however, monitor mode seems to remove WEP flag from frame
1091          * control field */
1092         if (hostap_set_word(dev, HFA384X_RID_CNFWEPFLAGS,
1093                             HFA384X_WEPFLAGS_HOSTENCRYPT |
1094                             HFA384X_WEPFLAGS_HOSTDECRYPT)) {
1095                 printk(KERN_DEBUG "WEP flags setting failed\n");
1096                 return -EOPNOTSUPP;
1097         }
1098
1099         if (local->func->reset_port(dev) ||
1100             local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1101                              (HFA384X_TEST_MONITOR << 8),
1102                              0, NULL, NULL)) {
1103                 printk(KERN_DEBUG "Setting monitor mode failed\n");
1104                 return -EOPNOTSUPP;
1105         }
1106
1107         return 0;
1108 }
1109
1110
1111 static int hostap_monitor_mode_disable(local_info_t *local)
1112 {
1113         struct net_device *dev = local->ddev;
1114
1115         if (dev == NULL)
1116                 return -1;
1117
1118         printk(KERN_DEBUG "%s: Disabling monitor mode\n", dev->name);
1119         dev->type = ARPHRD_ETHER;
1120
1121         if (local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1122                              (HFA384X_TEST_STOP << 8),
1123                              0, NULL, NULL))
1124                 return -1;
1125         return hostap_set_encryption(local);
1126 }
1127
1128
1129 static int prism2_ioctl_siwmode(struct net_device *dev,
1130                                 struct iw_request_info *info,
1131                                 __u32 *mode, char *extra)
1132 {
1133         struct hostap_interface *iface;
1134         local_info_t *local;
1135         int double_reset = 0;
1136
1137         iface = netdev_priv(dev);
1138         local = iface->local;
1139
1140         if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA &&
1141             *mode != IW_MODE_MASTER && *mode != IW_MODE_REPEAT &&
1142             *mode != IW_MODE_MONITOR)
1143                 return -EOPNOTSUPP;
1144
1145 #ifdef PRISM2_NO_STATION_MODES
1146         if (*mode == IW_MODE_ADHOC || *mode == IW_MODE_INFRA)
1147                 return -EOPNOTSUPP;
1148 #endif /* PRISM2_NO_STATION_MODES */
1149
1150         if (*mode == local->iw_mode)
1151                 return 0;
1152
1153         if (*mode == IW_MODE_MASTER && local->essid[0] == '\0') {
1154                 printk(KERN_WARNING "%s: empty SSID not allowed in Master "
1155                        "mode\n", dev->name);
1156                 return -EINVAL;
1157         }
1158
1159         if (local->iw_mode == IW_MODE_MONITOR)
1160                 hostap_monitor_mode_disable(local);
1161
1162         if ((local->iw_mode == IW_MODE_ADHOC ||
1163              local->iw_mode == IW_MODE_MONITOR) && *mode == IW_MODE_MASTER) {
1164                 /* There seems to be a firmware bug in at least STA f/w v1.5.6
1165                  * that leaves beacon frames to use IBSS type when moving from
1166                  * IBSS to Host AP mode. Doing double Port0 reset seems to be
1167                  * enough to workaround this. */
1168                 double_reset = 1;
1169         }
1170
1171         printk(KERN_DEBUG "prism2: %s: operating mode changed "
1172                "%d -> %d\n", dev->name, local->iw_mode, *mode);
1173         local->iw_mode = *mode;
1174
1175         if (local->iw_mode == IW_MODE_MONITOR)
1176                 hostap_monitor_mode_enable(local);
1177         else if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt &&
1178                  !local->fw_encrypt_ok) {
1179                 printk(KERN_DEBUG "%s: defaulting to host-based encryption as "
1180                        "a workaround for firmware bug in Host AP mode WEP\n",
1181                        dev->name);
1182                 local->host_encrypt = 1;
1183         }
1184
1185         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1186                             hostap_get_porttype(local)))
1187                 return -EOPNOTSUPP;
1188
1189         if (local->func->reset_port(dev))
1190                 return -EINVAL;
1191         if (double_reset && local->func->reset_port(dev))
1192                 return -EINVAL;
1193
1194         if (local->iw_mode != IW_MODE_INFRA && local->iw_mode != IW_MODE_ADHOC)
1195         {
1196                 /* netif_carrier is used only in client modes for now, so make
1197                  * sure carrier is on when moving to non-client modes. */
1198                 netif_carrier_on(local->dev);
1199                 netif_carrier_on(local->ddev);
1200         }
1201         return 0;
1202 }
1203
1204
1205 static int prism2_ioctl_giwmode(struct net_device *dev,
1206                                 struct iw_request_info *info,
1207                                 __u32 *mode, char *extra)
1208 {
1209         struct hostap_interface *iface;
1210         local_info_t *local;
1211
1212         iface = netdev_priv(dev);
1213         local = iface->local;
1214
1215         switch (iface->type) {
1216         case HOSTAP_INTERFACE_STA:
1217                 *mode = IW_MODE_INFRA;
1218                 break;
1219         case HOSTAP_INTERFACE_WDS:
1220                 *mode = IW_MODE_REPEAT;
1221                 break;
1222         default:
1223                 *mode = local->iw_mode;
1224                 break;
1225         }
1226         return 0;
1227 }
1228
1229
1230 static int prism2_ioctl_siwpower(struct net_device *dev,
1231                                  struct iw_request_info *info,
1232                                  struct iw_param *wrq, char *extra)
1233 {
1234 #ifdef PRISM2_NO_STATION_MODES
1235         return -EOPNOTSUPP;
1236 #else /* PRISM2_NO_STATION_MODES */
1237         int ret = 0;
1238
1239         if (wrq->disabled)
1240                 return hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 0);
1241
1242         switch (wrq->flags & IW_POWER_MODE) {
1243         case IW_POWER_UNICAST_R:
1244                 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 0);
1245                 if (ret)
1246                         return ret;
1247                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1248                 if (ret)
1249                         return ret;
1250                 break;
1251         case IW_POWER_ALL_R:
1252                 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 1);
1253                 if (ret)
1254                         return ret;
1255                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1256                 if (ret)
1257                         return ret;
1258                 break;
1259         case IW_POWER_ON:
1260                 break;
1261         default:
1262                 return -EINVAL;
1263         }
1264
1265         if (wrq->flags & IW_POWER_TIMEOUT) {
1266                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1267                 if (ret)
1268                         return ret;
1269                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMHOLDOVERDURATION,
1270                                       wrq->value / 1024);
1271                 if (ret)
1272                         return ret;
1273         }
1274         if (wrq->flags & IW_POWER_PERIOD) {
1275                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1276                 if (ret)
1277                         return ret;
1278                 ret = hostap_set_word(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1279                                       wrq->value / 1024);
1280                 if (ret)
1281                         return ret;
1282         }
1283
1284         return ret;
1285 #endif /* PRISM2_NO_STATION_MODES */
1286 }
1287
1288
1289 static int prism2_ioctl_giwpower(struct net_device *dev,
1290                                  struct iw_request_info *info,
1291                                  struct iw_param *rrq, char *extra)
1292 {
1293 #ifdef PRISM2_NO_STATION_MODES
1294         return -EOPNOTSUPP;
1295 #else /* PRISM2_NO_STATION_MODES */
1296         struct hostap_interface *iface;
1297         local_info_t *local;
1298         __le16 enable, mcast;
1299
1300         iface = netdev_priv(dev);
1301         local = iface->local;
1302
1303         if (local->func->get_rid(dev, HFA384X_RID_CNFPMENABLED, &enable, 2, 1)
1304             < 0)
1305                 return -EINVAL;
1306
1307         if (!le16_to_cpu(enable)) {
1308                 rrq->disabled = 1;
1309                 return 0;
1310         }
1311
1312         rrq->disabled = 0;
1313
1314         if ((rrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
1315                 __le16 timeout;
1316                 if (local->func->get_rid(dev,
1317                                          HFA384X_RID_CNFPMHOLDOVERDURATION,
1318                                          &timeout, 2, 1) < 0)
1319                         return -EINVAL;
1320
1321                 rrq->flags = IW_POWER_TIMEOUT;
1322                 rrq->value = le16_to_cpu(timeout) * 1024;
1323         } else {
1324                 __le16 period;
1325                 if (local->func->get_rid(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1326                                          &period, 2, 1) < 0)
1327                         return -EINVAL;
1328
1329                 rrq->flags = IW_POWER_PERIOD;
1330                 rrq->value = le16_to_cpu(period) * 1024;
1331         }
1332
1333         if (local->func->get_rid(dev, HFA384X_RID_CNFMULTICASTRECEIVE, &mcast,
1334                                  2, 1) < 0)
1335                 return -EINVAL;
1336
1337         if (le16_to_cpu(mcast))
1338                 rrq->flags |= IW_POWER_ALL_R;
1339         else
1340                 rrq->flags |= IW_POWER_UNICAST_R;
1341
1342         return 0;
1343 #endif /* PRISM2_NO_STATION_MODES */
1344 }
1345
1346
1347 static int prism2_ioctl_siwretry(struct net_device *dev,
1348                                  struct iw_request_info *info,
1349                                  struct iw_param *rrq, char *extra)
1350 {
1351         struct hostap_interface *iface;
1352         local_info_t *local;
1353
1354         iface = netdev_priv(dev);
1355         local = iface->local;
1356
1357         if (rrq->disabled)
1358                 return -EINVAL;
1359
1360         /* setting retry limits is not supported with the current station
1361          * firmware code; simulate this with alternative retry count for now */
1362         if (rrq->flags == IW_RETRY_LIMIT) {
1363                 if (rrq->value < 0) {
1364                         /* disable manual retry count setting and use firmware
1365                          * defaults */
1366                         local->manual_retry_count = -1;
1367                         local->tx_control &= ~HFA384X_TX_CTRL_ALT_RTRY;
1368                 } else {
1369                         if (hostap_set_word(dev, HFA384X_RID_CNFALTRETRYCOUNT,
1370                                             rrq->value)) {
1371                                 printk(KERN_DEBUG "%s: Alternate retry count "
1372                                        "setting to %d failed\n",
1373                                        dev->name, rrq->value);
1374                                 return -EOPNOTSUPP;
1375                         }
1376
1377                         local->manual_retry_count = rrq->value;
1378                         local->tx_control |= HFA384X_TX_CTRL_ALT_RTRY;
1379                 }
1380                 return 0;
1381         }
1382
1383         return -EOPNOTSUPP;
1384
1385 #if 0
1386         /* what could be done, if firmware would support this.. */
1387
1388         if (rrq->flags & IW_RETRY_LIMIT) {
1389                 if (rrq->flags & IW_RETRY_LONG)
1390                         HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1391                 else if (rrq->flags & IW_RETRY_SHORT)
1392                         HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1393                 else {
1394                         HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1395                         HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1396                 }
1397
1398         }
1399
1400         if (rrq->flags & IW_RETRY_LIFETIME) {
1401                 HFA384X_RID_MAXTRANSMITLIFETIME = rrq->value / 1024;
1402         }
1403
1404         return 0;
1405 #endif /* 0 */
1406 }
1407
1408 static int prism2_ioctl_giwretry(struct net_device *dev,
1409                                  struct iw_request_info *info,
1410                                  struct iw_param *rrq, char *extra)
1411 {
1412         struct hostap_interface *iface;
1413         local_info_t *local;
1414         __le16 shortretry, longretry, lifetime, altretry;
1415
1416         iface = netdev_priv(dev);
1417         local = iface->local;
1418
1419         if (local->func->get_rid(dev, HFA384X_RID_SHORTRETRYLIMIT, &shortretry,
1420                                  2, 1) < 0 ||
1421             local->func->get_rid(dev, HFA384X_RID_LONGRETRYLIMIT, &longretry,
1422                                  2, 1) < 0 ||
1423             local->func->get_rid(dev, HFA384X_RID_MAXTRANSMITLIFETIME,
1424                                  &lifetime, 2, 1) < 0)
1425                 return -EINVAL;
1426
1427         rrq->disabled = 0;
1428
1429         if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
1430                 rrq->flags = IW_RETRY_LIFETIME;
1431                 rrq->value = le16_to_cpu(lifetime) * 1024;
1432         } else {
1433                 if (local->manual_retry_count >= 0) {
1434                         rrq->flags = IW_RETRY_LIMIT;
1435                         if (local->func->get_rid(dev,
1436                                                  HFA384X_RID_CNFALTRETRYCOUNT,
1437                                                  &altretry, 2, 1) >= 0)
1438                                 rrq->value = le16_to_cpu(altretry);
1439                         else
1440                                 rrq->value = local->manual_retry_count;
1441                 } else if ((rrq->flags & IW_RETRY_LONG)) {
1442                         rrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
1443                         rrq->value = le16_to_cpu(longretry);
1444                 } else {
1445                         rrq->flags = IW_RETRY_LIMIT;
1446                         rrq->value = le16_to_cpu(shortretry);
1447                         if (shortretry != longretry)
1448                                 rrq->flags |= IW_RETRY_SHORT;
1449                 }
1450         }
1451         return 0;
1452 }
1453
1454
1455 /* Note! This TX power controlling is experimental and should not be used in
1456  * production use. It just sets raw power register and does not use any kind of
1457  * feedback information from the measured TX power (CR58). This is now
1458  * commented out to make sure that it is not used by accident. TX power
1459  * configuration will be enabled again after proper algorithm using feedback
1460  * has been implemented. */
1461
1462 #ifdef RAW_TXPOWER_SETTING
1463 /* Map HFA386x's CR31 to and from dBm with some sort of ad hoc mapping..
1464  * This version assumes following mapping:
1465  * CR31 is 7-bit value with -64 to +63 range.
1466  * -64 is mapped into +20dBm and +63 into -43dBm.
1467  * This is certainly not an exact mapping for every card, but at least
1468  * increasing dBm value should correspond to increasing TX power.
1469  */
1470
1471 static int prism2_txpower_hfa386x_to_dBm(u16 val)
1472 {
1473         signed char tmp;
1474
1475         if (val > 255)
1476                 val = 255;
1477
1478         tmp = val;
1479         tmp >>= 2;
1480
1481         return -12 - tmp;
1482 }
1483
1484 static u16 prism2_txpower_dBm_to_hfa386x(int val)
1485 {
1486         signed char tmp;
1487
1488         if (val > 20)
1489                 return 128;
1490         else if (val < -43)
1491                 return 127;
1492
1493         tmp = val;
1494         tmp = -12 - tmp;
1495         tmp <<= 2;
1496
1497         return (unsigned char) tmp;
1498 }
1499 #endif /* RAW_TXPOWER_SETTING */
1500
1501
1502 static int prism2_ioctl_siwtxpow(struct net_device *dev,
1503                                  struct iw_request_info *info,
1504                                  struct iw_param *rrq, char *extra)
1505 {
1506         struct hostap_interface *iface;
1507         local_info_t *local;
1508 #ifdef RAW_TXPOWER_SETTING
1509         char *tmp;
1510 #endif
1511         u16 val;
1512         int ret = 0;
1513
1514         iface = netdev_priv(dev);
1515         local = iface->local;
1516
1517         if (rrq->disabled) {
1518                 if (local->txpower_type != PRISM2_TXPOWER_OFF) {
1519                         val = 0xff; /* use all standby and sleep modes */
1520                         ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1521                                                HFA386X_CR_A_D_TEST_MODES2,
1522                                                &val, NULL);
1523                         printk(KERN_DEBUG "%s: Turning radio off: %s\n",
1524                                dev->name, ret ? "failed" : "OK");
1525                         local->txpower_type = PRISM2_TXPOWER_OFF;
1526                 }
1527                 return (ret ? -EOPNOTSUPP : 0);
1528         }
1529
1530         if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1531                 val = 0; /* disable all standby and sleep modes */
1532                 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1533                                        HFA386X_CR_A_D_TEST_MODES2, &val, NULL);
1534                 printk(KERN_DEBUG "%s: Turning radio on: %s\n",
1535                        dev->name, ret ? "failed" : "OK");
1536                 local->txpower_type = PRISM2_TXPOWER_UNKNOWN;
1537         }
1538
1539 #ifdef RAW_TXPOWER_SETTING
1540         if (!rrq->fixed && local->txpower_type != PRISM2_TXPOWER_AUTO) {
1541                 printk(KERN_DEBUG "Setting ALC on\n");
1542                 val = HFA384X_TEST_CFG_BIT_ALC;
1543                 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1544                                  (HFA384X_TEST_CFG_BITS << 8), 1, &val, NULL);
1545                 local->txpower_type = PRISM2_TXPOWER_AUTO;
1546                 return 0;
1547         }
1548
1549         if (local->txpower_type != PRISM2_TXPOWER_FIXED) {
1550                 printk(KERN_DEBUG "Setting ALC off\n");
1551                 val = HFA384X_TEST_CFG_BIT_ALC;
1552                 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1553                                  (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
1554                         local->txpower_type = PRISM2_TXPOWER_FIXED;
1555         }
1556
1557         if (rrq->flags == IW_TXPOW_DBM)
1558                 tmp = "dBm";
1559         else if (rrq->flags == IW_TXPOW_MWATT)
1560                 tmp = "mW";
1561         else
1562                 tmp = "UNKNOWN";
1563         printk(KERN_DEBUG "Setting TX power to %d %s\n", rrq->value, tmp);
1564
1565         if (rrq->flags != IW_TXPOW_DBM) {
1566                 printk("SIOCSIWTXPOW with mW is not supported; use dBm\n");
1567                 return -EOPNOTSUPP;
1568         }
1569
1570         local->txpower = rrq->value;
1571         val = prism2_txpower_dBm_to_hfa386x(local->txpower);
1572         if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1573                              HFA386X_CR_MANUAL_TX_POWER, &val, NULL))
1574                 ret = -EOPNOTSUPP;
1575 #else /* RAW_TXPOWER_SETTING */
1576         if (rrq->fixed)
1577                 ret = -EOPNOTSUPP;
1578 #endif /* RAW_TXPOWER_SETTING */
1579
1580         return ret;
1581 }
1582
1583 static int prism2_ioctl_giwtxpow(struct net_device *dev,
1584                                  struct iw_request_info *info,
1585                                  struct iw_param *rrq, char *extra)
1586 {
1587 #ifdef RAW_TXPOWER_SETTING
1588         struct hostap_interface *iface;
1589         local_info_t *local;
1590         u16 resp0;
1591
1592         iface = netdev_priv(dev);
1593         local = iface->local;
1594
1595         rrq->flags = IW_TXPOW_DBM;
1596         rrq->disabled = 0;
1597         rrq->fixed = 0;
1598
1599         if (local->txpower_type == PRISM2_TXPOWER_AUTO) {
1600                 if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF,
1601                                      HFA386X_CR_MANUAL_TX_POWER,
1602                                      NULL, &resp0) == 0) {
1603                         rrq->value = prism2_txpower_hfa386x_to_dBm(resp0);
1604                 } else {
1605                         /* Could not get real txpower; guess 15 dBm */
1606                         rrq->value = 15;
1607                 }
1608         } else if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1609                 rrq->value = 0;
1610                 rrq->disabled = 1;
1611         } else if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
1612                 rrq->value = local->txpower;
1613                 rrq->fixed = 1;
1614         } else {
1615                 printk("SIOCGIWTXPOW - unknown txpower_type=%d\n",
1616                        local->txpower_type);
1617         }
1618         return 0;
1619 #else /* RAW_TXPOWER_SETTING */
1620         return -EOPNOTSUPP;
1621 #endif /* RAW_TXPOWER_SETTING */
1622 }
1623
1624
1625 #ifndef PRISM2_NO_STATION_MODES
1626
1627 /* HostScan request works with and without host_roaming mode. In addition, it
1628  * does not break current association. However, it requires newer station
1629  * firmware version (>= 1.3.1) than scan request. */
1630 static int prism2_request_hostscan(struct net_device *dev,
1631                                    u8 *ssid, u8 ssid_len)
1632 {
1633         struct hostap_interface *iface;
1634         local_info_t *local;
1635         struct hfa384x_hostscan_request scan_req;
1636
1637         iface = netdev_priv(dev);
1638         local = iface->local;
1639
1640         memset(&scan_req, 0, sizeof(scan_req));
1641         scan_req.channel_list = cpu_to_le16(local->channel_mask &
1642                                             local->scan_channel_mask);
1643         scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
1644         if (ssid) {
1645                 if (ssid_len > 32)
1646                         return -EINVAL;
1647                 scan_req.target_ssid_len = cpu_to_le16(ssid_len);
1648                 memcpy(scan_req.target_ssid, ssid, ssid_len);
1649         }
1650
1651         if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
1652                                  sizeof(scan_req))) {
1653                 printk(KERN_DEBUG "%s: HOSTSCAN failed\n", dev->name);
1654                 return -EINVAL;
1655         }
1656         return 0;
1657 }
1658
1659
1660 static int prism2_request_scan(struct net_device *dev)
1661 {
1662         struct hostap_interface *iface;
1663         local_info_t *local;
1664         struct hfa384x_scan_request scan_req;
1665         int ret = 0;
1666
1667         iface = netdev_priv(dev);
1668         local = iface->local;
1669
1670         memset(&scan_req, 0, sizeof(scan_req));
1671         scan_req.channel_list = cpu_to_le16(local->channel_mask &
1672                                             local->scan_channel_mask);
1673         scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
1674
1675         /* FIX:
1676          * It seems to be enough to set roaming mode for a short moment to
1677          * host-based and then setup scanrequest data and return the mode to
1678          * firmware-based.
1679          *
1680          * Master mode would need to drop to Managed mode for a short while
1681          * to make scanning work.. Or sweep through the different channels and
1682          * use passive scan based on beacons. */
1683
1684         if (!local->host_roaming)
1685                 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1686                                 HFA384X_ROAMING_HOST);
1687
1688         if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, &scan_req,
1689                                  sizeof(scan_req))) {
1690                 printk(KERN_DEBUG "SCANREQUEST failed\n");
1691                 ret = -EINVAL;
1692         }
1693
1694         if (!local->host_roaming)
1695                 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1696                                 HFA384X_ROAMING_FIRMWARE);
1697
1698         return 0;
1699 }
1700
1701 #else /* !PRISM2_NO_STATION_MODES */
1702
1703 static inline int prism2_request_hostscan(struct net_device *dev,
1704                                           u8 *ssid, u8 ssid_len)
1705 {
1706         return -EOPNOTSUPP;
1707 }
1708
1709
1710 static inline int prism2_request_scan(struct net_device *dev)
1711 {
1712         return -EOPNOTSUPP;
1713 }
1714
1715 #endif /* !PRISM2_NO_STATION_MODES */
1716
1717
1718 static int prism2_ioctl_siwscan(struct net_device *dev,
1719                                 struct iw_request_info *info,
1720                                 struct iw_point *data, char *extra)
1721 {
1722         struct hostap_interface *iface;
1723         local_info_t *local;
1724         int ret;
1725         u8 *ssid = NULL, ssid_len = 0;
1726         struct iw_scan_req *req = (struct iw_scan_req *) extra;
1727
1728         iface = netdev_priv(dev);
1729         local = iface->local;
1730
1731         if (data->length < sizeof(struct iw_scan_req))
1732                 req = NULL;
1733
1734         if (local->iw_mode == IW_MODE_MASTER) {
1735                 /* In master mode, we just return the results of our local
1736                  * tables, so we don't need to start anything...
1737                  * Jean II */
1738                 data->length = 0;
1739                 return 0;
1740         }
1741
1742         if (!local->dev_enabled)
1743                 return -ENETDOWN;
1744
1745         if (req && data->flags & IW_SCAN_THIS_ESSID) {
1746                 ssid = req->essid;
1747                 ssid_len = req->essid_len;
1748
1749                 if (ssid_len &&
1750                     ((local->iw_mode != IW_MODE_INFRA &&
1751                       local->iw_mode != IW_MODE_ADHOC) ||
1752                      (local->sta_fw_ver < PRISM2_FW_VER(1,3,1))))
1753                         return -EOPNOTSUPP;
1754         }
1755
1756         if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1757                 ret = prism2_request_hostscan(dev, ssid, ssid_len);
1758         else
1759                 ret = prism2_request_scan(dev);
1760
1761         if (ret == 0)
1762                 local->scan_timestamp = jiffies;
1763
1764         /* Could inquire F101, F103 or wait for SIOCGIWSCAN and read RID */
1765
1766         return ret;
1767 }
1768
1769
1770 #ifndef PRISM2_NO_STATION_MODES
1771 static char * __prism2_translate_scan(local_info_t *local,
1772                                       struct iw_request_info *info,
1773                                       struct hfa384x_hostscan_result *scan,
1774                                       struct hostap_bss_info *bss,
1775                                       char *current_ev, char *end_buf)
1776 {
1777         int i, chan;
1778         struct iw_event iwe;
1779         char *current_val;
1780         u16 capabilities;
1781         u8 *pos;
1782         u8 *ssid, *bssid;
1783         size_t ssid_len;
1784         char *buf;
1785
1786         if (bss) {
1787                 ssid = bss->ssid;
1788                 ssid_len = bss->ssid_len;
1789                 bssid = bss->bssid;
1790         } else {
1791                 ssid = scan->ssid;
1792                 ssid_len = le16_to_cpu(scan->ssid_len);
1793                 bssid = scan->bssid;
1794         }
1795         if (ssid_len > 32)
1796                 ssid_len = 32;
1797
1798         /* First entry *MUST* be the AP MAC address */
1799         memset(&iwe, 0, sizeof(iwe));
1800         iwe.cmd = SIOCGIWAP;
1801         iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1802         memcpy(iwe.u.ap_addr.sa_data, bssid, ETH_ALEN);
1803         current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
1804                                           IW_EV_ADDR_LEN);
1805
1806         /* Other entries will be displayed in the order we give them */
1807
1808         memset(&iwe, 0, sizeof(iwe));
1809         iwe.cmd = SIOCGIWESSID;
1810         iwe.u.data.length = ssid_len;
1811         iwe.u.data.flags = 1;
1812         current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1813                                           &iwe, ssid);
1814
1815         memset(&iwe, 0, sizeof(iwe));
1816         iwe.cmd = SIOCGIWMODE;
1817         if (bss) {
1818                 capabilities = bss->capab_info;
1819         } else {
1820                 capabilities = le16_to_cpu(scan->capability);
1821         }
1822         if (capabilities & (WLAN_CAPABILITY_ESS |
1823                             WLAN_CAPABILITY_IBSS)) {
1824                 if (capabilities & WLAN_CAPABILITY_ESS)
1825                         iwe.u.mode = IW_MODE_MASTER;
1826                 else
1827                         iwe.u.mode = IW_MODE_ADHOC;
1828                 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1829                                                   &iwe, IW_EV_UINT_LEN);
1830         }
1831
1832         memset(&iwe, 0, sizeof(iwe));
1833         iwe.cmd = SIOCGIWFREQ;
1834         if (scan) {
1835                 chan = le16_to_cpu(scan->chid);
1836         } else if (bss) {
1837                 chan = bss->chan;
1838         } else {
1839                 chan = 0;
1840         }
1841
1842         if (chan > 0) {
1843                 iwe.u.freq.m = freq_list[chan - 1] * 100000;
1844                 iwe.u.freq.e = 1;
1845                 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1846                                                   &iwe, IW_EV_FREQ_LEN);
1847         }
1848
1849         if (scan) {
1850                 memset(&iwe, 0, sizeof(iwe));
1851                 iwe.cmd = IWEVQUAL;
1852                 if (local->last_scan_type == PRISM2_HOSTSCAN) {
1853                         iwe.u.qual.level = le16_to_cpu(scan->sl);
1854                         iwe.u.qual.noise = le16_to_cpu(scan->anl);
1855                 } else {
1856                         iwe.u.qual.level =
1857                                 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->sl));
1858                         iwe.u.qual.noise =
1859                                 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl));
1860                 }
1861                 iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED
1862                         | IW_QUAL_NOISE_UPDATED
1863                         | IW_QUAL_QUAL_INVALID
1864                         | IW_QUAL_DBM;
1865                 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1866                                                   &iwe, IW_EV_QUAL_LEN);
1867         }
1868
1869         memset(&iwe, 0, sizeof(iwe));
1870         iwe.cmd = SIOCGIWENCODE;
1871         if (capabilities & WLAN_CAPABILITY_PRIVACY)
1872                 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
1873         else
1874                 iwe.u.data.flags = IW_ENCODE_DISABLED;
1875         iwe.u.data.length = 0;
1876         current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, "");
1877
1878         /* TODO: add SuppRates into BSS table */
1879         if (scan) {
1880                 memset(&iwe, 0, sizeof(iwe));
1881                 iwe.cmd = SIOCGIWRATE;
1882                 current_val = current_ev + iwe_stream_lcp_len(info);
1883                 pos = scan->sup_rates;
1884                 for (i = 0; i < sizeof(scan->sup_rates); i++) {
1885                         if (pos[i] == 0)
1886                                 break;
1887                         /* Bit rate given in 500 kb/s units (+ 0x80) */
1888                         iwe.u.bitrate.value = ((pos[i] & 0x7f) * 500000);
1889                         current_val = iwe_stream_add_value(
1890                                 info, current_ev, current_val, end_buf, &iwe,
1891                                 IW_EV_PARAM_LEN);
1892                 }
1893                 /* Check if we added any event */
1894                 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
1895                         current_ev = current_val;
1896         }
1897
1898         /* TODO: add BeaconInt,resp_rate,atim into BSS table */
1899         buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_ATOMIC);
1900         if (buf && scan) {
1901                 memset(&iwe, 0, sizeof(iwe));
1902                 iwe.cmd = IWEVCUSTOM;
1903                 sprintf(buf, "bcn_int=%d", le16_to_cpu(scan->beacon_interval));
1904                 iwe.u.data.length = strlen(buf);
1905                 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1906                                                   &iwe, buf);
1907
1908                 memset(&iwe, 0, sizeof(iwe));
1909                 iwe.cmd = IWEVCUSTOM;
1910                 sprintf(buf, "resp_rate=%d", le16_to_cpu(scan->rate));
1911                 iwe.u.data.length = strlen(buf);
1912                 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1913                                                   &iwe, buf);
1914
1915                 if (local->last_scan_type == PRISM2_HOSTSCAN &&
1916                     (capabilities & WLAN_CAPABILITY_IBSS)) {
1917                         memset(&iwe, 0, sizeof(iwe));
1918                         iwe.cmd = IWEVCUSTOM;
1919                         sprintf(buf, "atim=%d", le16_to_cpu(scan->atim));
1920                         iwe.u.data.length = strlen(buf);
1921                         current_ev = iwe_stream_add_point(info, current_ev,
1922                                                           end_buf, &iwe, buf);
1923                 }
1924         }
1925         kfree(buf);
1926
1927         if (bss && bss->wpa_ie_len > 0 && bss->wpa_ie_len <= MAX_WPA_IE_LEN) {
1928                 memset(&iwe, 0, sizeof(iwe));
1929                 iwe.cmd = IWEVGENIE;
1930                 iwe.u.data.length = bss->wpa_ie_len;
1931                 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1932                                                   &iwe, bss->wpa_ie);
1933         }
1934
1935         if (bss && bss->rsn_ie_len > 0 && bss->rsn_ie_len <= MAX_WPA_IE_LEN) {
1936                 memset(&iwe, 0, sizeof(iwe));
1937                 iwe.cmd = IWEVGENIE;
1938                 iwe.u.data.length = bss->rsn_ie_len;
1939                 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1940                                                   &iwe, bss->rsn_ie);
1941         }
1942
1943         return current_ev;
1944 }
1945
1946
1947 /* Translate scan data returned from the card to a card independant
1948  * format that the Wireless Tools will understand - Jean II */
1949 static inline int prism2_translate_scan(local_info_t *local,
1950                                         struct iw_request_info *info,
1951                                         char *buffer, int buflen)
1952 {
1953         struct hfa384x_hostscan_result *scan;
1954         int entry, hostscan;
1955         char *current_ev = buffer;
1956         char *end_buf = buffer + buflen;
1957         struct list_head *ptr;
1958
1959         spin_lock_bh(&local->lock);
1960
1961         list_for_each(ptr, &local->bss_list) {
1962                 struct hostap_bss_info *bss;
1963                 bss = list_entry(ptr, struct hostap_bss_info, list);
1964                 bss->included = 0;
1965         }
1966
1967         hostscan = local->last_scan_type == PRISM2_HOSTSCAN;
1968         for (entry = 0; entry < local->last_scan_results_count; entry++) {
1969                 int found = 0;
1970                 scan = &local->last_scan_results[entry];
1971
1972                 /* Report every SSID if the AP is using multiple SSIDs. If no
1973                  * BSS record is found (e.g., when WPA mode is disabled),
1974                  * report the AP once. */
1975                 list_for_each(ptr, &local->bss_list) {
1976                         struct hostap_bss_info *bss;
1977                         bss = list_entry(ptr, struct hostap_bss_info, list);
1978                         if (memcmp(bss->bssid, scan->bssid, ETH_ALEN) == 0) {
1979                                 bss->included = 1;
1980                                 current_ev = __prism2_translate_scan(
1981                                         local, info, scan, bss, current_ev,
1982                                         end_buf);
1983                                 found++;
1984                         }
1985                 }
1986                 if (!found) {
1987                         current_ev = __prism2_translate_scan(
1988                                 local, info, scan, NULL, current_ev, end_buf);
1989                 }
1990                 /* Check if there is space for one more entry */
1991                 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
1992                         /* Ask user space to try again with a bigger buffer */
1993                         spin_unlock_bh(&local->lock);
1994                         return -E2BIG;
1995                 }
1996         }
1997
1998         /* Prism2 firmware has limits (32 at least in some versions) for number
1999          * of BSSes in scan results. Extend this limit by using local BSS list.
2000          */
2001         list_for_each(ptr, &local->bss_list) {
2002                 struct hostap_bss_info *bss;
2003                 bss = list_entry(ptr, struct hostap_bss_info, list);
2004                 if (bss->included)
2005                         continue;
2006                 current_ev = __prism2_translate_scan(local, info, NULL, bss,
2007                                                      current_ev, end_buf);
2008                 /* Check if there is space for one more entry */
2009                 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2010                         /* Ask user space to try again with a bigger buffer */
2011                         spin_unlock_bh(&local->lock);
2012                         return -E2BIG;
2013                 }
2014         }
2015
2016         spin_unlock_bh(&local->lock);
2017
2018         return current_ev - buffer;
2019 }
2020 #endif /* PRISM2_NO_STATION_MODES */
2021
2022
2023 static inline int prism2_ioctl_giwscan_sta(struct net_device *dev,
2024                                            struct iw_request_info *info,
2025                                            struct iw_point *data, char *extra)
2026 {
2027 #ifdef PRISM2_NO_STATION_MODES
2028         return -EOPNOTSUPP;
2029 #else /* PRISM2_NO_STATION_MODES */
2030         struct hostap_interface *iface;
2031         local_info_t *local;
2032         int res;
2033
2034         iface = netdev_priv(dev);
2035         local = iface->local;
2036
2037         /* Wait until the scan is finished. We can probably do better
2038          * than that - Jean II */
2039         if (local->scan_timestamp &&
2040             time_before(jiffies, local->scan_timestamp + 3 * HZ)) {
2041                 /* Important note : we don't want to block the caller
2042                  * until results are ready for various reasons.
2043                  * First, managing wait queues is complex and racy
2044                  * (there may be multiple simultaneous callers).
2045                  * Second, we grab some rtnetlink lock before comming
2046                  * here (in dev_ioctl()).
2047                  * Third, the caller can wait on the Wireless Event
2048                  * - Jean II */
2049                 return -EAGAIN;
2050         }
2051         local->scan_timestamp = 0;
2052
2053         res = prism2_translate_scan(local, info, extra, data->length);
2054
2055         if (res >= 0) {
2056                 data->length = res;
2057                 return 0;
2058         } else {
2059                 data->length = 0;
2060                 return res;
2061         }
2062 #endif /* PRISM2_NO_STATION_MODES */
2063 }
2064
2065
2066 static int prism2_ioctl_giwscan(struct net_device *dev,
2067                                 struct iw_request_info *info,
2068                                 struct iw_point *data, char *extra)
2069 {
2070         struct hostap_interface *iface;
2071         local_info_t *local;
2072         int res;
2073
2074         iface = netdev_priv(dev);
2075         local = iface->local;
2076
2077         if (local->iw_mode == IW_MODE_MASTER) {
2078                 /* In MASTER mode, it doesn't make sense to go around
2079                  * scanning the frequencies and make the stations we serve
2080                  * wait when what the user is really interested about is the
2081                  * list of stations and access points we are talking to.
2082                  * So, just extract results from our cache...
2083                  * Jean II */
2084
2085                 /* Translate to WE format */
2086                 res = prism2_ap_translate_scan(dev, info, extra);
2087                 if (res >= 0) {
2088                         printk(KERN_DEBUG "Scan result translation succeeded "
2089                                "(length=%d)\n", res);
2090                         data->length = res;
2091                         return 0;
2092                 } else {
2093                         printk(KERN_DEBUG
2094                                "Scan result translation failed (res=%d)\n",
2095                                res);
2096                         data->length = 0;
2097                         return res;
2098                 }
2099         } else {
2100                 /* Station mode */
2101                 return prism2_ioctl_giwscan_sta(dev, info, data, extra);
2102         }
2103 }
2104
2105
2106 static const struct iw_priv_args prism2_priv[] = {
2107         { PRISM2_IOCTL_MONITOR,
2108           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor" },
2109         { PRISM2_IOCTL_READMIF,
2110           IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
2111           IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "readmif" },
2112         { PRISM2_IOCTL_WRITEMIF,
2113           IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 2, 0, "writemif" },
2114         { PRISM2_IOCTL_RESET,
2115           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "reset" },
2116         { PRISM2_IOCTL_INQUIRE,
2117           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inquire" },
2118         { PRISM2_IOCTL_SET_RID_WORD,
2119           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_rid_word" },
2120         { PRISM2_IOCTL_MACCMD,
2121           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maccmd" },
2122         { PRISM2_IOCTL_WDS_ADD,
2123           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_add" },
2124         { PRISM2_IOCTL_WDS_DEL,
2125           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_del" },
2126         { PRISM2_IOCTL_ADDMAC,
2127           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "addmac" },
2128         { PRISM2_IOCTL_DELMAC,
2129           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "delmac" },
2130         { PRISM2_IOCTL_KICKMAC,
2131           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac" },
2132         /* --- raw access to sub-ioctls --- */
2133         { PRISM2_IOCTL_PRISM2_PARAM,
2134           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "prism2_param" },
2135         { PRISM2_IOCTL_GET_PRISM2_PARAM,
2136           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2137           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprism2_param" },
2138         /* --- sub-ioctls handlers --- */
2139         { PRISM2_IOCTL_PRISM2_PARAM,
2140           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "" },
2141         { PRISM2_IOCTL_GET_PRISM2_PARAM,
2142           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "" },
2143         /* --- sub-ioctls definitions --- */
2144         { PRISM2_PARAM_TXRATECTRL,
2145           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txratectrl" },
2146         { PRISM2_PARAM_TXRATECTRL,
2147           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettxratectrl" },
2148         { PRISM2_PARAM_BEACON_INT,
2149           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "beacon_int" },
2150         { PRISM2_PARAM_BEACON_INT,
2151           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbeacon_int" },
2152 #ifndef PRISM2_NO_STATION_MODES
2153         { PRISM2_PARAM_PSEUDO_IBSS,
2154           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pseudo_ibss" },
2155         { PRISM2_PARAM_PSEUDO_IBSS,
2156           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getpseudo_ibss" },
2157 #endif /* PRISM2_NO_STATION_MODES */
2158         { PRISM2_PARAM_ALC,
2159           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "alc" },
2160         { PRISM2_PARAM_ALC,
2161           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getalc" },
2162         { PRISM2_PARAM_DUMP,
2163           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dump" },
2164         { PRISM2_PARAM_DUMP,
2165           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdump" },
2166         { PRISM2_PARAM_OTHER_AP_POLICY,
2167           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "other_ap_policy" },
2168         { PRISM2_PARAM_OTHER_AP_POLICY,
2169           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getother_ap_pol" },
2170         { PRISM2_PARAM_AP_MAX_INACTIVITY,
2171           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_inactivity" },
2172         { PRISM2_PARAM_AP_MAX_INACTIVITY,
2173           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_inactivi" },
2174         { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2175           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bridge_packets" },
2176         { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2177           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbridge_packe" },
2178         { PRISM2_PARAM_DTIM_PERIOD,
2179           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dtim_period" },
2180         { PRISM2_PARAM_DTIM_PERIOD,
2181           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdtim_period" },
2182         { PRISM2_PARAM_AP_NULLFUNC_ACK,
2183           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "nullfunc_ack" },
2184         { PRISM2_PARAM_AP_NULLFUNC_ACK,
2185           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getnullfunc_ack" },
2186         { PRISM2_PARAM_MAX_WDS,
2187           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_wds" },
2188         { PRISM2_PARAM_MAX_WDS,
2189           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_wds" },
2190         { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2191           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "autom_ap_wds" },
2192         { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2193           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getautom_ap_wds" },
2194         { PRISM2_PARAM_AP_AUTH_ALGS,
2195           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_auth_algs" },
2196         { PRISM2_PARAM_AP_AUTH_ALGS,
2197           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_auth_algs" },
2198         { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2199           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "allow_fcserr" },
2200         { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2201           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getallow_fcserr" },
2202         { PRISM2_PARAM_HOST_ENCRYPT,
2203           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_encrypt" },
2204         { PRISM2_PARAM_HOST_ENCRYPT,
2205           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_encrypt" },
2206         { PRISM2_PARAM_HOST_DECRYPT,
2207           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_decrypt" },
2208         { PRISM2_PARAM_HOST_DECRYPT,
2209           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_decrypt" },
2210 #ifndef PRISM2_NO_STATION_MODES
2211         { PRISM2_PARAM_HOST_ROAMING,
2212           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_roaming" },
2213         { PRISM2_PARAM_HOST_ROAMING,
2214           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_roaming" },
2215 #endif /* PRISM2_NO_STATION_MODES */
2216         { PRISM2_PARAM_BCRX_STA_KEY,
2217           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bcrx_sta_key" },
2218         { PRISM2_PARAM_BCRX_STA_KEY,
2219           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbcrx_sta_key" },
2220         { PRISM2_PARAM_IEEE_802_1X,
2221           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ieee_802_1x" },
2222         { PRISM2_PARAM_IEEE_802_1X,
2223           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getieee_802_1x" },
2224         { PRISM2_PARAM_ANTSEL_TX,
2225           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_tx" },
2226         { PRISM2_PARAM_ANTSEL_TX,
2227           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_tx" },
2228         { PRISM2_PARAM_ANTSEL_RX,
2229           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_rx" },
2230         { PRISM2_PARAM_ANTSEL_RX,
2231           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_rx" },
2232         { PRISM2_PARAM_MONITOR_TYPE,
2233           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor_type" },
2234         { PRISM2_PARAM_MONITOR_TYPE,
2235           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmonitor_type" },
2236         { PRISM2_PARAM_WDS_TYPE,
2237           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wds_type" },
2238         { PRISM2_PARAM_WDS_TYPE,
2239           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwds_type" },
2240         { PRISM2_PARAM_HOSTSCAN,
2241           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostscan" },
2242         { PRISM2_PARAM_HOSTSCAN,
2243           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostscan" },
2244         { PRISM2_PARAM_AP_SCAN,
2245           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_scan" },
2246         { PRISM2_PARAM_AP_SCAN,
2247           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_scan" },
2248         { PRISM2_PARAM_ENH_SEC,
2249           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "enh_sec" },
2250         { PRISM2_PARAM_ENH_SEC,
2251           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getenh_sec" },
2252 #ifdef PRISM2_IO_DEBUG
2253         { PRISM2_PARAM_IO_DEBUG,
2254           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "io_debug" },
2255         { PRISM2_PARAM_IO_DEBUG,
2256           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getio_debug" },
2257 #endif /* PRISM2_IO_DEBUG */
2258         { PRISM2_PARAM_BASIC_RATES,
2259           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "basic_rates" },
2260         { PRISM2_PARAM_BASIC_RATES,
2261           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbasic_rates" },
2262         { PRISM2_PARAM_OPER_RATES,
2263           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "oper_rates" },
2264         { PRISM2_PARAM_OPER_RATES,
2265           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getoper_rates" },
2266         { PRISM2_PARAM_HOSTAPD,
2267           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd" },
2268         { PRISM2_PARAM_HOSTAPD,
2269           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd" },
2270         { PRISM2_PARAM_HOSTAPD_STA,
2271           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd_sta" },
2272         { PRISM2_PARAM_HOSTAPD_STA,
2273           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd_sta" },
2274         { PRISM2_PARAM_WPA,
2275           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wpa" },
2276         { PRISM2_PARAM_WPA,
2277           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwpa" },
2278         { PRISM2_PARAM_PRIVACY_INVOKED,
2279           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "privacy_invoked" },
2280         { PRISM2_PARAM_PRIVACY_INVOKED,
2281           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprivacy_invo" },
2282         { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2283           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "tkip_countermea" },
2284         { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2285           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettkip_counter" },
2286         { PRISM2_PARAM_DROP_UNENCRYPTED,
2287           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "drop_unencrypte" },
2288         { PRISM2_PARAM_DROP_UNENCRYPTED,
2289           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdrop_unencry" },
2290         { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2291           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "scan_channels" },
2292         { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2293           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getscan_channel" },
2294 };
2295
2296
2297 static int prism2_ioctl_priv_inquire(struct net_device *dev, int *i)
2298 {
2299         struct hostap_interface *iface;
2300         local_info_t *local;
2301
2302         iface = netdev_priv(dev);
2303         local = iface->local;
2304
2305         if (local->func->cmd(dev, HFA384X_CMDCODE_INQUIRE, *i, NULL, NULL))
2306                 return -EOPNOTSUPP;
2307
2308         return 0;
2309 }
2310
2311
2312 static int prism2_ioctl_priv_prism2_param(struct net_device *dev,
2313                                           struct iw_request_info *info,
2314                                           void *wrqu, char *extra)
2315 {
2316         struct hostap_interface *iface;
2317         local_info_t *local;
2318         int *i = (int *) extra;
2319         int param = *i;
2320         int value = *(i + 1);
2321         int ret = 0;
2322         u16 val;
2323
2324         iface = netdev_priv(dev);
2325         local = iface->local;
2326
2327         switch (param) {
2328         case PRISM2_PARAM_TXRATECTRL:
2329                 local->fw_tx_rate_control = value;
2330                 break;
2331
2332         case PRISM2_PARAM_BEACON_INT:
2333                 if (hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, value) ||
2334                     local->func->reset_port(dev))
2335                         ret = -EINVAL;
2336                 else
2337                         local->beacon_int = value;
2338                 break;
2339
2340 #ifndef PRISM2_NO_STATION_MODES
2341         case PRISM2_PARAM_PSEUDO_IBSS:
2342                 if (value == local->pseudo_adhoc)
2343                         break;
2344
2345                 if (value != 0 && value != 1) {
2346                         ret = -EINVAL;
2347                         break;
2348                 }
2349
2350                 printk(KERN_DEBUG "prism2: %s: pseudo IBSS change %d -> %d\n",
2351                        dev->name, local->pseudo_adhoc, value);
2352                 local->pseudo_adhoc = value;
2353                 if (local->iw_mode != IW_MODE_ADHOC)
2354                         break;
2355
2356                 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2357                                     hostap_get_porttype(local))) {
2358                         ret = -EOPNOTSUPP;
2359                         break;
2360                 }
2361
2362                 if (local->func->reset_port(dev))
2363                         ret = -EINVAL;
2364                 break;
2365 #endif /* PRISM2_NO_STATION_MODES */
2366
2367         case PRISM2_PARAM_ALC:
2368                 printk(KERN_DEBUG "%s: %s ALC\n", dev->name,
2369                        value == 0 ? "Disabling" : "Enabling");
2370                 val = HFA384X_TEST_CFG_BIT_ALC;
2371                 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
2372                                  (HFA384X_TEST_CFG_BITS << 8),
2373                                  value == 0 ? 0 : 1, &val, NULL);
2374                 break;
2375
2376         case PRISM2_PARAM_DUMP:
2377                 local->frame_dump = value;
2378                 break;
2379
2380         case PRISM2_PARAM_OTHER_AP_POLICY:
2381                 if (value < 0 || value > 3) {
2382                         ret = -EINVAL;
2383                         break;
2384                 }
2385                 if (local->ap != NULL)
2386                         local->ap->ap_policy = value;
2387                 break;
2388
2389         case PRISM2_PARAM_AP_MAX_INACTIVITY:
2390                 if (value < 0 || value > 7 * 24 * 60 * 60) {
2391                         ret = -EINVAL;
2392                         break;
2393                 }
2394                 if (local->ap != NULL)
2395                         local->ap->max_inactivity = value * HZ;
2396                 break;
2397
2398         case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2399                 if (local->ap != NULL)
2400                         local->ap->bridge_packets = value;
2401                 break;
2402
2403         case PRISM2_PARAM_DTIM_PERIOD:
2404                 if (value < 0 || value > 65535) {
2405                         ret = -EINVAL;
2406                         break;
2407                 }
2408                 if (hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, value)
2409                     || local->func->reset_port(dev))
2410                         ret = -EINVAL;
2411                 else
2412                         local->dtim_period = value;
2413                 break;
2414
2415         case PRISM2_PARAM_AP_NULLFUNC_ACK:
2416                 if (local->ap != NULL)
2417                         local->ap->nullfunc_ack = value;
2418                 break;
2419
2420         case PRISM2_PARAM_MAX_WDS:
2421                 local->wds_max_connections = value;
2422                 break;
2423
2424         case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2425                 if (local->ap != NULL) {
2426                         if (!local->ap->autom_ap_wds && value) {
2427                                 /* add WDS link to all APs in STA table */
2428                                 hostap_add_wds_links(local);
2429                         }
2430                         local->ap->autom_ap_wds = value;
2431                 }
2432                 break;
2433
2434         case PRISM2_PARAM_AP_AUTH_ALGS:
2435                 local->auth_algs = value;
2436                 if (hostap_set_auth_algs(local))
2437                         ret = -EINVAL;
2438                 break;
2439
2440         case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2441                 local->monitor_allow_fcserr = value;
2442                 break;
2443
2444         case PRISM2_PARAM_HOST_ENCRYPT:
2445                 local->host_encrypt = value;
2446                 if (hostap_set_encryption(local) ||
2447                     local->func->reset_port(dev))
2448                         ret = -EINVAL;
2449                 break;
2450
2451         case PRISM2_PARAM_HOST_DECRYPT:
2452                 local->host_decrypt = value;
2453                 if (hostap_set_encryption(local) ||
2454                     local->func->reset_port(dev))
2455                         ret = -EINVAL;
2456                 break;
2457
2458 #ifndef PRISM2_NO_STATION_MODES
2459         case PRISM2_PARAM_HOST_ROAMING:
2460                 if (value < 0 || value > 2) {
2461                         ret = -EINVAL;
2462                         break;
2463                 }
2464                 local->host_roaming = value;
2465                 if (hostap_set_roaming(local) || local->func->reset_port(dev))
2466                         ret = -EINVAL;
2467                 break;
2468 #endif /* PRISM2_NO_STATION_MODES */
2469
2470         case PRISM2_PARAM_BCRX_STA_KEY:
2471                 local->bcrx_sta_key = value;
2472                 break;
2473
2474         case PRISM2_PARAM_IEEE_802_1X:
2475                 local->ieee_802_1x = value;
2476                 break;
2477
2478         case PRISM2_PARAM_ANTSEL_TX:
2479                 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2480                         ret = -EINVAL;
2481                         break;
2482                 }
2483                 local->antsel_tx = value;
2484                 hostap_set_antsel(local);
2485                 break;
2486
2487         case PRISM2_PARAM_ANTSEL_RX:
2488                 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2489                         ret = -EINVAL;
2490                         break;
2491                 }
2492                 local->antsel_rx = value;
2493                 hostap_set_antsel(local);
2494                 break;
2495
2496         case PRISM2_PARAM_MONITOR_TYPE:
2497                 if (value != PRISM2_MONITOR_80211 &&
2498                     value != PRISM2_MONITOR_CAPHDR &&
2499                     value != PRISM2_MONITOR_PRISM &&
2500                     value != PRISM2_MONITOR_RADIOTAP) {
2501                         ret = -EINVAL;
2502                         break;
2503                 }
2504                 local->monitor_type = value;
2505                 if (local->iw_mode == IW_MODE_MONITOR)
2506                         hostap_monitor_set_type(local);
2507                 break;
2508
2509         case PRISM2_PARAM_WDS_TYPE:
2510                 local->wds_type = value;
2511                 break;
2512
2513         case PRISM2_PARAM_HOSTSCAN:
2514         {
2515                 struct hfa384x_hostscan_request scan_req;
2516                 u16 rate;
2517
2518                 memset(&scan_req, 0, sizeof(scan_req));
2519                 scan_req.channel_list = cpu_to_le16(0x3fff);
2520                 switch (value) {
2521                 case 1: rate = HFA384X_RATES_1MBPS; break;
2522                 case 2: rate = HFA384X_RATES_2MBPS; break;
2523                 case 3: rate = HFA384X_RATES_5MBPS; break;
2524                 case 4: rate = HFA384X_RATES_11MBPS; break;
2525                 default: rate = HFA384X_RATES_1MBPS; break;
2526                 }
2527                 scan_req.txrate = cpu_to_le16(rate);
2528                 /* leave SSID empty to accept all SSIDs */
2529
2530                 if (local->iw_mode == IW_MODE_MASTER) {
2531                         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2532                                             HFA384X_PORTTYPE_BSS) ||
2533                             local->func->reset_port(dev))
2534                                 printk(KERN_DEBUG "Leaving Host AP mode "
2535                                        "for HostScan failed\n");
2536                 }
2537
2538                 if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
2539                                          sizeof(scan_req))) {
2540                         printk(KERN_DEBUG "HOSTSCAN failed\n");
2541                         ret = -EINVAL;
2542                 }
2543                 if (local->iw_mode == IW_MODE_MASTER) {
2544                         wait_queue_t __wait;
2545                         init_waitqueue_entry(&__wait, current);
2546                         add_wait_queue(&local->hostscan_wq, &__wait);
2547                         set_current_state(TASK_INTERRUPTIBLE);
2548                         schedule_timeout(HZ);
2549                         if (signal_pending(current))
2550                                 ret = -EINTR;
2551                         set_current_state(TASK_RUNNING);
2552                         remove_wait_queue(&local->hostscan_wq, &__wait);
2553
2554                         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2555                                             HFA384X_PORTTYPE_HOSTAP) ||
2556                             local->func->reset_port(dev))
2557                                 printk(KERN_DEBUG "Returning to Host AP mode "
2558                                        "after HostScan failed\n");
2559                 }
2560                 break;
2561         }
2562
2563         case PRISM2_PARAM_AP_SCAN:
2564                 local->passive_scan_interval = value;
2565                 if (timer_pending(&local->passive_scan_timer))
2566                         del_timer(&local->passive_scan_timer);
2567                 if (value > 0) {
2568                         local->passive_scan_timer.expires = jiffies +
2569                                 local->passive_scan_interval * HZ;
2570                         add_timer(&local->passive_scan_timer);
2571                 }
2572                 break;
2573
2574         case PRISM2_PARAM_ENH_SEC:
2575                 if (value < 0 || value > 3) {
2576                         ret = -EINVAL;
2577                         break;
2578                 }
2579                 local->enh_sec = value;
2580                 if (hostap_set_word(dev, HFA384X_RID_CNFENHSECURITY,
2581                                     local->enh_sec) ||
2582                     local->func->reset_port(dev)) {
2583                         printk(KERN_INFO "%s: cnfEnhSecurity requires STA f/w "
2584                                "1.6.3 or newer\n", dev->name);
2585                         ret = -EOPNOTSUPP;
2586                 }
2587                 break;
2588
2589 #ifdef PRISM2_IO_DEBUG
2590         case PRISM2_PARAM_IO_DEBUG:
2591                 local->io_debug_enabled = value;
2592                 break;
2593 #endif /* PRISM2_IO_DEBUG */
2594
2595         case PRISM2_PARAM_BASIC_RATES:
2596                 if ((value & local->tx_rate_control) != value || value == 0) {
2597                         printk(KERN_INFO "%s: invalid basic rate set - basic "
2598                                "rates must be in supported rate set\n",
2599                                dev->name);
2600                         ret = -EINVAL;
2601                         break;
2602                 }
2603                 local->basic_rates = value;
2604                 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
2605                                     local->basic_rates) ||
2606                     local->func->reset_port(dev))
2607                         ret = -EINVAL;
2608                 break;
2609
2610         case PRISM2_PARAM_OPER_RATES:
2611                 local->tx_rate_control = value;
2612                 if (hostap_set_rate(dev))
2613                         ret = -EINVAL;
2614                 break;
2615
2616         case PRISM2_PARAM_HOSTAPD:
2617                 ret = hostap_set_hostapd(local, value, 1);
2618                 break;
2619
2620         case PRISM2_PARAM_HOSTAPD_STA:
2621                 ret = hostap_set_hostapd_sta(local, value, 1);
2622                 break;
2623
2624         case PRISM2_PARAM_WPA:
2625                 local->wpa = value;
2626                 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2627                         ret = -EOPNOTSUPP;
2628                 else if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
2629                                          value ? 1 : 0))
2630                         ret = -EINVAL;
2631                 break;
2632
2633         case PRISM2_PARAM_PRIVACY_INVOKED:
2634                 local->privacy_invoked = value;
2635                 if (hostap_set_encryption(local) ||
2636                     local->func->reset_port(dev))
2637                         ret = -EINVAL;
2638                 break;
2639
2640         case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2641                 local->tkip_countermeasures = value;
2642                 break;
2643
2644         case PRISM2_PARAM_DROP_UNENCRYPTED:
2645                 local->drop_unencrypted = value;
2646                 break;
2647
2648         case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2649                 local->scan_channel_mask = value;
2650                 break;
2651
2652         default:
2653                 printk(KERN_DEBUG "%s: prism2_param: unknown param %d\n",
2654                        dev->name, param);
2655                 ret = -EOPNOTSUPP;
2656                 break;
2657         }
2658
2659         return ret;
2660 }
2661
2662
2663 static int prism2_ioctl_priv_get_prism2_param(struct net_device *dev,
2664                                               struct iw_request_info *info,
2665                                               void *wrqu, char *extra)
2666 {
2667         struct hostap_interface *iface;
2668         local_info_t *local;
2669         int *param = (int *) extra;
2670         int ret = 0;
2671
2672         iface = netdev_priv(dev);
2673         local = iface->local;
2674
2675         switch (*param) {
2676         case PRISM2_PARAM_TXRATECTRL:
2677                 *param = local->fw_tx_rate_control;
2678                 break;
2679
2680         case PRISM2_PARAM_BEACON_INT:
2681                 *param = local->beacon_int;
2682                 break;
2683
2684         case PRISM2_PARAM_PSEUDO_IBSS:
2685                 *param = local->pseudo_adhoc;
2686                 break;
2687
2688         case PRISM2_PARAM_ALC:
2689                 ret = -EOPNOTSUPP; /* FIX */
2690                 break;
2691
2692         case PRISM2_PARAM_DUMP:
2693                 *param = local->frame_dump;
2694                 break;
2695
2696         case PRISM2_PARAM_OTHER_AP_POLICY:
2697                 if (local->ap != NULL)
2698                         *param = local->ap->ap_policy;
2699                 else
2700                         ret = -EOPNOTSUPP;
2701                 break;
2702
2703         case PRISM2_PARAM_AP_MAX_INACTIVITY:
2704                 if (local->ap != NULL)
2705                         *param = local->ap->max_inactivity / HZ;
2706                 else
2707                         ret = -EOPNOTSUPP;
2708                 break;
2709
2710         case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2711                 if (local->ap != NULL)
2712                         *param = local->ap->bridge_packets;
2713                 else
2714                         ret = -EOPNOTSUPP;
2715                 break;
2716
2717         case PRISM2_PARAM_DTIM_PERIOD:
2718                 *param = local->dtim_period;
2719                 break;
2720
2721         case PRISM2_PARAM_AP_NULLFUNC_ACK:
2722                 if (local->ap != NULL)
2723                         *param = local->ap->nullfunc_ack;
2724                 else
2725                         ret = -EOPNOTSUPP;
2726                 break;
2727
2728         case PRISM2_PARAM_MAX_WDS:
2729                 *param = local->wds_max_connections;
2730                 break;
2731
2732         case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2733                 if (local->ap != NULL)
2734                         *param = local->ap->autom_ap_wds;
2735                 else
2736                         ret = -EOPNOTSUPP;
2737                 break;
2738
2739         case PRISM2_PARAM_AP_AUTH_ALGS:
2740                 *param = local->auth_algs;
2741                 break;
2742
2743         case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2744                 *param = local->monitor_allow_fcserr;
2745                 break;
2746
2747         case PRISM2_PARAM_HOST_ENCRYPT:
2748                 *param = local->host_encrypt;
2749                 break;
2750
2751         case PRISM2_PARAM_HOST_DECRYPT:
2752                 *param = local->host_decrypt;
2753                 break;
2754
2755         case PRISM2_PARAM_HOST_ROAMING:
2756                 *param = local->host_roaming;
2757                 break;
2758
2759         case PRISM2_PARAM_BCRX_STA_KEY:
2760                 *param = local->bcrx_sta_key;
2761                 break;
2762
2763         case PRISM2_PARAM_IEEE_802_1X:
2764                 *param = local->ieee_802_1x;
2765                 break;
2766
2767         case PRISM2_PARAM_ANTSEL_TX:
2768                 *param = local->antsel_tx;
2769                 break;
2770
2771         case PRISM2_PARAM_ANTSEL_RX:
2772                 *param = local->antsel_rx;
2773                 break;
2774
2775         case PRISM2_PARAM_MONITOR_TYPE:
2776                 *param = local->monitor_type;
2777                 break;
2778
2779         case PRISM2_PARAM_WDS_TYPE:
2780                 *param = local->wds_type;
2781                 break;
2782
2783         case PRISM2_PARAM_HOSTSCAN:
2784                 ret = -EOPNOTSUPP;
2785                 break;
2786
2787         case PRISM2_PARAM_AP_SCAN:
2788                 *param = local->passive_scan_interval;
2789                 break;
2790
2791         case PRISM2_PARAM_ENH_SEC:
2792                 *param = local->enh_sec;
2793                 break;
2794
2795 #ifdef PRISM2_IO_DEBUG
2796         case PRISM2_PARAM_IO_DEBUG:
2797                 *param = local->io_debug_enabled;
2798                 break;
2799 #endif /* PRISM2_IO_DEBUG */
2800
2801         case PRISM2_PARAM_BASIC_RATES:
2802                 *param = local->basic_rates;
2803                 break;
2804
2805         case PRISM2_PARAM_OPER_RATES:
2806                 *param = local->tx_rate_control;
2807                 break;
2808
2809         case PRISM2_PARAM_HOSTAPD:
2810                 *param = local->hostapd;
2811                 break;
2812
2813         case PRISM2_PARAM_HOSTAPD_STA:
2814                 *param = local->hostapd_sta;
2815                 break;
2816
2817         case PRISM2_PARAM_WPA:
2818                 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2819                         ret = -EOPNOTSUPP;
2820                 *param = local->wpa;
2821                 break;
2822
2823         case PRISM2_PARAM_PRIVACY_INVOKED:
2824                 *param = local->privacy_invoked;
2825                 break;
2826
2827         case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2828                 *param = local->tkip_countermeasures;
2829                 break;
2830
2831         case PRISM2_PARAM_DROP_UNENCRYPTED:
2832                 *param = local->drop_unencrypted;
2833                 break;
2834
2835         case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2836                 *param = local->scan_channel_mask;
2837                 break;
2838
2839         default:
2840                 printk(KERN_DEBUG "%s: get_prism2_param: unknown param %d\n",
2841                        dev->name, *param);
2842                 ret = -EOPNOTSUPP;
2843                 break;
2844         }
2845
2846         return ret;
2847 }
2848
2849
2850 static int prism2_ioctl_priv_readmif(struct net_device *dev,
2851                                      struct iw_request_info *info,
2852                                      void *wrqu, char *extra)
2853 {
2854         struct hostap_interface *iface;
2855         local_info_t *local;
2856         u16 resp0;
2857
2858         iface = netdev_priv(dev);
2859         local = iface->local;
2860
2861         if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF, *extra, NULL,
2862                              &resp0))
2863                 return -EOPNOTSUPP;
2864         else
2865                 *extra = resp0;
2866
2867         return 0;
2868 }
2869
2870
2871 static int prism2_ioctl_priv_writemif(struct net_device *dev,
2872                                       struct iw_request_info *info,
2873                                       void *wrqu, char *extra)
2874 {
2875         struct hostap_interface *iface;
2876         local_info_t *local;
2877         u16 cr, val;
2878
2879         iface = netdev_priv(dev);
2880         local = iface->local;
2881
2882         cr = *extra;
2883         val = *(extra + 1);
2884         if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, cr, &val, NULL))
2885                 return -EOPNOTSUPP;
2886
2887         return 0;
2888 }
2889
2890
2891 static int prism2_ioctl_priv_monitor(struct net_device *dev, int *i)
2892 {
2893         struct hostap_interface *iface;
2894         local_info_t *local;
2895         int ret = 0;
2896         u32 mode;
2897
2898         iface = netdev_priv(dev);
2899         local = iface->local;
2900
2901         printk(KERN_DEBUG "%s: process %d (%s) used deprecated iwpriv monitor "
2902                "- update software to use iwconfig mode monitor\n",
2903                dev->name, task_pid_nr(current), current->comm);
2904
2905         /* Backward compatibility code - this can be removed at some point */
2906
2907         if (*i == 0) {
2908                 /* Disable monitor mode - old mode was not saved, so go to
2909                  * Master mode */
2910                 mode = IW_MODE_MASTER;
2911                 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2912         } else if (*i == 1) {
2913                 /* netlink socket mode is not supported anymore since it did
2914                  * not separate different devices from each other and was not
2915                  * best method for delivering large amount of packets to
2916                  * user space */
2917                 ret = -EOPNOTSUPP;
2918         } else if (*i == 2 || *i == 3) {
2919                 switch (*i) {
2920                 case 2:
2921                         local->monitor_type = PRISM2_MONITOR_80211;
2922                         break;
2923                 case 3:
2924                         local->monitor_type = PRISM2_MONITOR_PRISM;
2925                         break;
2926                 }
2927                 mode = IW_MODE_MONITOR;
2928                 ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2929                 hostap_monitor_mode_enable(local);
2930         } else
2931                 ret = -EINVAL;
2932
2933         return ret;
2934 }
2935
2936
2937 static int prism2_ioctl_priv_reset(struct net_device *dev, int *i)
2938 {
2939         struct hostap_interface *iface;
2940         local_info_t *local;
2941
2942         iface = netdev_priv(dev);
2943         local = iface->local;
2944
2945         printk(KERN_DEBUG "%s: manual reset request(%d)\n", dev->name, *i);
2946         switch (*i) {
2947         case 0:
2948                 /* Disable and enable card */
2949                 local->func->hw_shutdown(dev, 1);
2950                 local->func->hw_config(dev, 0);
2951                 break;
2952
2953         case 1:
2954                 /* COR sreset */
2955                 local->func->hw_reset(dev);
2956                 break;
2957
2958         case 2:
2959                 /* Disable and enable port 0 */
2960                 local->func->reset_port(dev);
2961                 break;
2962
2963         case 3:
2964                 prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING);
2965                 if (local->func->cmd(dev, HFA384X_CMDCODE_DISABLE, 0, NULL,
2966                                      NULL))
2967                         return -EINVAL;
2968                 break;
2969
2970         case 4:
2971                 if (local->func->cmd(dev, HFA384X_CMDCODE_ENABLE, 0, NULL,
2972                                      NULL))
2973                         return -EINVAL;
2974                 break;
2975
2976         default:
2977                 printk(KERN_DEBUG "Unknown reset request %d\n", *i);
2978                 return -EOPNOTSUPP;
2979         }
2980
2981         return 0;
2982 }
2983
2984
2985 static int prism2_ioctl_priv_set_rid_word(struct net_device *dev, int *i)
2986 {
2987         int rid = *i;
2988         int value = *(i + 1);
2989
2990         printk(KERN_DEBUG "%s: Set RID[0x%X] = %d\n", dev->name, rid, value);
2991
2992         if (hostap_set_word(dev, rid, value))
2993                 return -EINVAL;
2994
2995         return 0;
2996 }
2997
2998
2999 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
3000 static int ap_mac_cmd_ioctl(local_info_t *local, int *cmd)
3001 {
3002         int ret = 0;
3003
3004         switch (*cmd) {
3005         case AP_MAC_CMD_POLICY_OPEN:
3006                 local->ap->mac_restrictions.policy = MAC_POLICY_OPEN;
3007                 break;
3008         case AP_MAC_CMD_POLICY_ALLOW:
3009                 local->ap->mac_restrictions.policy = MAC_POLICY_ALLOW;
3010                 break;
3011         case AP_MAC_CMD_POLICY_DENY:
3012                 local->ap->mac_restrictions.policy = MAC_POLICY_DENY;
3013                 break;
3014         case AP_MAC_CMD_FLUSH:
3015                 ap_control_flush_macs(&local->ap->mac_restrictions);
3016                 break;
3017         case AP_MAC_CMD_KICKALL:
3018                 ap_control_kickall(local->ap);
3019                 hostap_deauth_all_stas(local->dev, local->ap, 0);
3020                 break;
3021         default:
3022                 ret = -EOPNOTSUPP;
3023                 break;
3024         }
3025
3026         return ret;
3027 }
3028 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
3029
3030
3031 #ifdef PRISM2_DOWNLOAD_SUPPORT
3032 static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p)
3033 {
3034         struct prism2_download_param *param;
3035         int ret = 0;
3036
3037         if (p->length < sizeof(struct prism2_download_param) ||
3038             p->length > 1024 || !p->pointer)
3039                 return -EINVAL;
3040
3041         param = (struct prism2_download_param *)
3042                 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 }