drivers/net/wireless/intersil/hostap/hostap_ioctl.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */
   3
   4 #include <linux/slab.h>
   5 #include <linux/types.h>
   6 #include <linux/sched/signal.h>
   7 #include <linux/ethtool.h>
   8 #include <linux/if_arp.h>
   9 #include <linux/module.h>
  10 #include <linux/etherdevice.h>
  11 #include <net/lib80211.h>
  12
  13 #include "hostap_wlan.h"
  14 #include "hostap.h"
  15 #include "hostap_ap.h"
  16
  17 static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev)
  18 {
  19         struct hostap_interface *iface;
  20         local_info_t *local;
  21         struct iw_statistics *wstats;
  22
  23         iface = netdev_priv(dev);
  24         local = iface->local;
  25
  26         /* Why are we doing that ? Jean II */
  27         if (iface->type != HOSTAP_INTERFACE_MAIN)
  28                 return NULL;
  29
  30         wstats = &local->wstats;
  31
  32         wstats->status = 0;
  33         wstats->discard.code =
  34                 local->comm_tallies.rx_discards_wep_undecryptable;
  35         wstats->discard.misc =
  36                 local->comm_tallies.rx_fcs_errors +
  37                 local->comm_tallies.rx_discards_no_buffer +
  38                 local->comm_tallies.tx_discards_wrong_sa;
  39
  40         wstats->discard.retries =
  41                 local->comm_tallies.tx_retry_limit_exceeded;
  42         wstats->discard.fragment =
  43                 local->comm_tallies.rx_message_in_bad_msg_fragments;
  44
  45         if (local->iw_mode != IW_MODE_MASTER &&
  46             local->iw_mode != IW_MODE_REPEAT) {
  47
  48                 if (prism2_update_comms_qual(dev) == 0)
  49                         wstats->qual.updated = IW_QUAL_ALL_UPDATED |
  50                                 IW_QUAL_DBM;
  51
  52                 wstats->qual.qual = local->comms_qual;
  53                 wstats->qual.level = local->avg_signal;
  54                 wstats->qual.noise = local->avg_noise;
  55         } else {
  56                 wstats->qual.qual = 0;
  57                 wstats->qual.level = 0;
  58                 wstats->qual.noise = 0;
  59                 wstats->qual.updated = IW_QUAL_ALL_INVALID;
  60         }
  61
  62         return wstats;
  63 }
  64
  65
  66 static int prism2_get_datarates(struct net_device *dev, u8 *rates)
  67 {
  68         struct hostap_interface *iface;
  69         local_info_t *local;
  70         u8 buf[12];
  71         int len;
  72         u16 val;
  73
  74         iface = netdev_priv(dev);
  75         local = iface->local;
  76
  77         len = local->func->get_rid(dev, HFA384X_RID_SUPPORTEDDATARATES, buf,
  78                                    sizeof(buf), 0);
  79         if (len < 2)
  80                 return 0;
  81
  82         val = le16_to_cpu(*(__le16 *) buf); /* string length */
  83
  84         if (len - 2 < val || val > 10)
  85                 return 0;
  86
  87         memcpy(rates, buf + 2, val);
  88         return val;
  89 }
  90
  91
  92 static int prism2_get_name(struct net_device *dev,
  93                            struct iw_request_info *info,
  94                            union iwreq_data *wrqu, char *extra)
  95 {
  96         u8 rates[10];
  97         int len, i, over2 = 0;
  98
  99         len = prism2_get_datarates(dev, rates);
 100
 101         for (i = 0; i < len; i++) {
 102                 if (rates[i] == 0x0b || rates[i] == 0x16) {
 103                         over2 = 1;
 104                         break;
 105                 }
 106         }
 107
 108         strcpy(wrqu->name, over2 ? "IEEE 802.11b" : "IEEE 802.11-DS");
 109
 110         return 0;
 111 }
 112
 113
 114 static int prism2_ioctl_siwencode(struct net_device *dev,
 115                                   struct iw_request_info *info,
 116                                   union iwreq_data *wrqu, char *keybuf)
 117 {
 118         struct iw_point *erq = &wrqu->encoding;
 119         struct hostap_interface *iface;
 120         local_info_t *local;
 121         int i;
 122         struct lib80211_crypt_data **crypt;
 123
 124         iface = netdev_priv(dev);
 125         local = iface->local;
 126
 127         i = erq->flags & IW_ENCODE_INDEX;
 128         if (i < 1 || i > 4)
 129                 i = local->crypt_info.tx_keyidx;
 130         else
 131                 i--;
 132         if (i < 0 || i >= WEP_KEYS)
 133                 return -EINVAL;
 134
 135         crypt = &local->crypt_info.crypt[i];
 136
 137         if (erq->flags & IW_ENCODE_DISABLED) {
 138                 if (*crypt)
 139                         lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
 140                 goto done;
 141         }
 142
 143         if (*crypt != NULL && (*crypt)->ops != NULL &&
 144             strcmp((*crypt)->ops->name, "WEP") != 0) {
 145                 /* changing to use WEP; deinit previously used algorithm */
 146                 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
 147         }
 148
 149         if (*crypt == NULL) {
 150                 struct lib80211_crypt_data *new_crypt;
 151
 152                 /* take WEP into use */
 153                 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
 154                                 GFP_KERNEL);
 155                 if (new_crypt == NULL)
 156                         return -ENOMEM;
 157                 new_crypt->ops = lib80211_get_crypto_ops("WEP");
 158                 if (!new_crypt->ops) {
 159                         request_module("lib80211_crypt_wep");
 160                         new_crypt->ops = lib80211_get_crypto_ops("WEP");
 161                 }
 162                 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
 163                         new_crypt->priv = new_crypt->ops->init(i);
 164                 if (!new_crypt->ops || !new_crypt->priv) {
 165                         kfree(new_crypt);
 166                         new_crypt = NULL;
 167
 168                         printk(KERN_WARNING "%s: could not initialize WEP: "
 169                                "load module hostap_crypt_wep.o\n",
 170                                dev->name);
 171                         return -EOPNOTSUPP;
 172                 }
 173                 *crypt = new_crypt;
 174         }
 175
 176         if (erq->length > 0) {
 177                 int len = erq->length <= 5 ? 5 : 13;
 178                 int first = 1, j;
 179                 if (len > erq->length)
 180                         memset(keybuf + erq->length, 0, len - erq->length);
 181                 (*crypt)->ops->set_key(keybuf, len, NULL, (*crypt)->priv);
 182                 for (j = 0; j < WEP_KEYS; j++) {
 183                         if (j != i && local->crypt_info.crypt[j]) {
 184                                 first = 0;
 185                                 break;
 186                         }
 187                 }
 188                 if (first)
 189                         local->crypt_info.tx_keyidx = i;
 190         } else {
 191                 /* No key data - just set the default TX key index */
 192                 local->crypt_info.tx_keyidx = i;
 193         }
 194
 195  done:
 196         local->open_wep = erq->flags & IW_ENCODE_OPEN;
 197
 198         if (hostap_set_encryption(local)) {
 199                 printk(KERN_DEBUG "%s: set_encryption failed\n", dev->name);
 200                 return -EINVAL;
 201         }
 202
 203         /* Do not reset port0 if card is in Managed mode since resetting will
 204          * generate new IEEE 802.11 authentication which may end up in looping
 205          * with IEEE 802.1X. Prism2 documentation seem to require port reset
 206          * after WEP configuration. However, keys are apparently changed at
 207          * least in Managed mode. */
 208         if (local->iw_mode != IW_MODE_INFRA && local->func->reset_port(dev)) {
 209                 printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
 210                 return -EINVAL;
 211         }
 212
 213         return 0;
 214 }
 215
 216
 217 static int prism2_ioctl_giwencode(struct net_device *dev,
 218                                   struct iw_request_info *info,
 219                                   union iwreq_data *wrqu, char *key)
 220 {
 221         struct iw_point *erq = &wrqu->encoding;
 222         struct hostap_interface *iface;
 223         local_info_t *local;
 224         int i, len;
 225         u16 val;
 226         struct lib80211_crypt_data *crypt;
 227
 228         iface = netdev_priv(dev);
 229         local = iface->local;
 230
 231         i = erq->flags & IW_ENCODE_INDEX;
 232         if (i < 1 || i > 4)
 233                 i = local->crypt_info.tx_keyidx;
 234         else
 235                 i--;
 236         if (i < 0 || i >= WEP_KEYS)
 237                 return -EINVAL;
 238
 239         crypt = local->crypt_info.crypt[i];
 240         erq->flags = i + 1;
 241
 242         if (crypt == NULL || crypt->ops == NULL) {
 243                 erq->length = 0;
 244                 erq->flags |= IW_ENCODE_DISABLED;
 245                 return 0;
 246         }
 247
 248         if (strcmp(crypt->ops->name, "WEP") != 0) {
 249                 /* only WEP is supported with wireless extensions, so just
 250                  * report that encryption is used */
 251                 erq->length = 0;
 252                 erq->flags |= IW_ENCODE_ENABLED;
 253                 return 0;
 254         }
 255
 256         /* Reads from HFA384X_RID_CNFDEFAULTKEY* return bogus values, so show
 257          * the keys from driver buffer */
 258         len = crypt->ops->get_key(key, WEP_KEY_LEN, NULL, crypt->priv);
 259         erq->length = (len >= 0 ? len : 0);
 260
 261         if (local->func->get_rid(dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, 1) < 0)
 262         {
 263                 printk("CNFWEPFLAGS reading failed\n");
 264                 return -EOPNOTSUPP;
 265         }
 266         le16_to_cpus(&val);
 267         if (val & HFA384X_WEPFLAGS_PRIVACYINVOKED)
 268                 erq->flags |= IW_ENCODE_ENABLED;
 269         else
 270                 erq->flags |= IW_ENCODE_DISABLED;
 271         if (val & HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED)
 272                 erq->flags |= IW_ENCODE_RESTRICTED;
 273         else
 274                 erq->flags |= IW_ENCODE_OPEN;
 275
 276         return 0;
 277 }
 278
 279
 280 static int hostap_set_rate(struct net_device *dev)
 281 {
 282         struct hostap_interface *iface;
 283         local_info_t *local;
 284         int ret, basic_rates;
 285
 286         iface = netdev_priv(dev);
 287         local = iface->local;
 288
 289         basic_rates = local->basic_rates & local->tx_rate_control;
 290         if (!basic_rates || basic_rates != local->basic_rates) {
 291                 printk(KERN_INFO "%s: updating basic rate set automatically "
 292                        "to match with the new supported rate set\n",
 293                        dev->name);
 294                 if (!basic_rates)
 295                         basic_rates = local->tx_rate_control;
 296
 297                 local->basic_rates = basic_rates;
 298                 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
 299                                     basic_rates))
 300                         printk(KERN_WARNING "%s: failed to set "
 301                                "cnfBasicRates\n", dev->name);
 302         }
 303
 304         ret = (hostap_set_word(dev, HFA384X_RID_TXRATECONTROL,
 305                                local->tx_rate_control) ||
 306                hostap_set_word(dev, HFA384X_RID_CNFSUPPORTEDRATES,
 307                                local->tx_rate_control) ||
 308                local->func->reset_port(dev));
 309
 310         if (ret) {
 311                 printk(KERN_WARNING "%s: TXRateControl/cnfSupportedRates "
 312                        "setting to 0x%x failed\n",
 313                        dev->name, local->tx_rate_control);
 314         }
 315
 316         /* Update TX rate configuration for all STAs based on new operational
 317          * rate set. */
 318         hostap_update_rates(local);
 319
 320         return ret;
 321 }
 322
 323
 324 static int prism2_ioctl_siwrate(struct net_device *dev,
 325                                 struct iw_request_info *info,
 326                                 union iwreq_data *wrqu, char *extra)
 327 {
 328         struct iw_param *rrq = &wrqu->bitrate;
 329         struct hostap_interface *iface;
 330         local_info_t *local;
 331
 332         iface = netdev_priv(dev);
 333         local = iface->local;
 334
 335         if (rrq->fixed) {
 336                 switch (rrq->value) {
 337                 case 11000000:
 338                         local->tx_rate_control = HFA384X_RATES_11MBPS;
 339                         break;
 340                 case 5500000:
 341                         local->tx_rate_control = HFA384X_RATES_5MBPS;
 342                         break;
 343                 case 2000000:
 344                         local->tx_rate_control = HFA384X_RATES_2MBPS;
 345                         break;
 346                 case 1000000:
 347                         local->tx_rate_control = HFA384X_RATES_1MBPS;
 348                         break;
 349                 default:
 350                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 351                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
 352                                 HFA384X_RATES_11MBPS;
 353                         break;
 354                 }
 355         } else {
 356                 switch (rrq->value) {
 357                 case 11000000:
 358                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 359                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
 360                                 HFA384X_RATES_11MBPS;
 361                         break;
 362                 case 5500000:
 363                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 364                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS;
 365                         break;
 366                 case 2000000:
 367                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 368                                 HFA384X_RATES_2MBPS;
 369                         break;
 370                 case 1000000:
 371                         local->tx_rate_control = HFA384X_RATES_1MBPS;
 372                         break;
 373                 default:
 374                         local->tx_rate_control = HFA384X_RATES_1MBPS |
 375                                 HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
 376                                 HFA384X_RATES_11MBPS;
 377                         break;
 378                 }
 379         }
 380
 381         return hostap_set_rate(dev);
 382 }
 383
 384
 385 static int prism2_ioctl_giwrate(struct net_device *dev,
 386                                 struct iw_request_info *info,
 387                                 union iwreq_data *wrqu, char *extra)
 388 {
 389         struct iw_param *rrq = &wrqu->bitrate;
 390         u16 val;
 391         struct hostap_interface *iface;
 392         local_info_t *local;
 393         int ret = 0;
 394
 395         iface = netdev_priv(dev);
 396         local = iface->local;
 397
 398         if (local->func->get_rid(dev, HFA384X_RID_TXRATECONTROL, &val, 2, 1) <
 399             0)
 400                 return -EINVAL;
 401
 402         if ((val & 0x1) && (val > 1))
 403                 rrq->fixed = 0;
 404         else
 405                 rrq->fixed = 1;
 406
 407         if (local->iw_mode == IW_MODE_MASTER && local->ap != NULL &&
 408             !local->fw_tx_rate_control) {
 409                 /* HFA384X_RID_CURRENTTXRATE seems to always be 2 Mbps in
 410                  * Host AP mode, so use the recorded TX rate of the last sent
 411                  * frame */
 412                 rrq->value = local->ap->last_tx_rate > 0 ?
 413                         local->ap->last_tx_rate * 100000 : 11000000;
 414                 return 0;
 415         }
 416
 417         if (local->func->get_rid(dev, HFA384X_RID_CURRENTTXRATE, &val, 2, 1) <
 418             0)
 419                 return -EINVAL;
 420
 421         switch (val) {
 422         case HFA384X_RATES_1MBPS:
 423                 rrq->value = 1000000;
 424                 break;
 425         case HFA384X_RATES_2MBPS:
 426                 rrq->value = 2000000;
 427                 break;
 428         case HFA384X_RATES_5MBPS:
 429                 rrq->value = 5500000;
 430                 break;
 431         case HFA384X_RATES_11MBPS:
 432                 rrq->value = 11000000;
 433                 break;
 434         default:
 435                 /* should not happen */
 436                 rrq->value = 11000000;
 437                 ret = -EINVAL;
 438                 break;
 439         }
 440
 441         return ret;
 442 }
 443
 444
 445 static int prism2_ioctl_siwsens(struct net_device *dev,
 446                                 struct iw_request_info *info,
 447                                 union iwreq_data *wrqu, char *extra)
 448 {
 449         struct iw_param *sens = &wrqu->sens;
 450         struct hostap_interface *iface;
 451         local_info_t *local;
 452
 453         iface = netdev_priv(dev);
 454         local = iface->local;
 455
 456         /* Set the desired AP density */
 457         if (sens->value < 1 || sens->value > 3)
 458                 return -EINVAL;
 459
 460         if (hostap_set_word(dev, HFA384X_RID_CNFSYSTEMSCALE, sens->value) ||
 461             local->func->reset_port(dev))
 462                 return -EINVAL;
 463
 464         return 0;
 465 }
 466
 467 static int prism2_ioctl_giwsens(struct net_device *dev,
 468                                 struct iw_request_info *info,
 469                                 union iwreq_data *wrqu, char *extra)
 470 {
 471         struct iw_param *sens = &wrqu->sens;
 472         struct hostap_interface *iface;
 473         local_info_t *local;
 474         __le16 val;
 475
 476         iface = netdev_priv(dev);
 477         local = iface->local;
 478
 479         /* Get the current AP density */
 480         if (local->func->get_rid(dev, HFA384X_RID_CNFSYSTEMSCALE, &val, 2, 1) <
 481             0)
 482                 return -EINVAL;
 483
 484         sens->value = le16_to_cpu(val);
 485         sens->fixed = 1;
 486
 487         return 0;
 488 }
 489
 490
 491 /* Deprecated in new wireless extension API */
 492 static int prism2_ioctl_giwaplist(struct net_device *dev,
 493                                   struct iw_request_info *info,
 494                                   union iwreq_data *wrqu, char *extra)
 495 {
 496         struct iw_point *data = &wrqu->data;
 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_array(IW_MAX_AP, sizeof(struct sockaddr), GFP_KERNEL);
 513         qual = kmalloc_array(IW_MAX_AP, sizeof(struct iw_quality), 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                                union iwreq_data *wrqu, char *extra)
 537 {
 538         struct iw_param *rts = &wrqu->rts;
 539         struct hostap_interface *iface;
 540         local_info_t *local;
 541         __le16 val;
 542
 543         iface = netdev_priv(dev);
 544         local = iface->local;
 545
 546         if (rts->disabled)
 547                 val = cpu_to_le16(2347);
 548         else if (rts->value < 0 || rts->value > 2347)
 549                 return -EINVAL;
 550         else
 551                 val = cpu_to_le16(rts->value);
 552
 553         if (local->func->set_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2) ||
 554             local->func->reset_port(dev))
 555                 return -EINVAL;
 556
 557         local->rts_threshold = rts->value;
 558
 559         return 0;
 560 }
 561
 562 static int prism2_ioctl_giwrts(struct net_device *dev,
 563                                struct iw_request_info *info,
 564                                union iwreq_data *wrqu, char *extra)
 565 {
 566         struct iw_param *rts = &wrqu->rts;
 567         struct hostap_interface *iface;
 568         local_info_t *local;
 569         __le16 val;
 570
 571         iface = netdev_priv(dev);
 572         local = iface->local;
 573
 574         if (local->func->get_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2, 1) <
 575             0)
 576                 return -EINVAL;
 577
 578         rts->value = le16_to_cpu(val);
 579         rts->disabled = (rts->value == 2347);
 580         rts->fixed = 1;
 581
 582         return 0;
 583 }
 584
 585
 586 static int prism2_ioctl_siwfrag(struct net_device *dev,
 587                                 struct iw_request_info *info,
 588                                 union iwreq_data *wrqu, char *extra)
 589 {
 590         struct iw_param *rts = &wrqu->rts;
 591         struct hostap_interface *iface;
 592         local_info_t *local;
 593         __le16 val;
 594
 595         iface = netdev_priv(dev);
 596         local = iface->local;
 597
 598         if (rts->disabled)
 599                 val = cpu_to_le16(2346);
 600         else if (rts->value < 256 || rts->value > 2346)
 601                 return -EINVAL;
 602         else
 603                 val = cpu_to_le16(rts->value & ~0x1); /* even numbers only */
 604
 605         local->fragm_threshold = rts->value & ~0x1;
 606         if (local->func->set_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, &val,
 607                                  2)
 608             || local->func->reset_port(dev))
 609                 return -EINVAL;
 610
 611         return 0;
 612 }
 613
 614 static int prism2_ioctl_giwfrag(struct net_device *dev,
 615                                 struct iw_request_info *info,
 616                                 union iwreq_data *wrqu, char *extra)
 617 {
 618         struct iw_param *rts = &wrqu->rts;
 619         struct hostap_interface *iface;
 620         local_info_t *local;
 621         __le16 val;
 622
 623         iface = netdev_priv(dev);
 624         local = iface->local;
 625
 626         if (local->func->get_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD,
 627                                  &val, 2, 1) < 0)
 628                 return -EINVAL;
 629
 630         rts->value = le16_to_cpu(val);
 631         rts->disabled = (rts->value == 2346);
 632         rts->fixed = 1;
 633
 634         return 0;
 635 }
 636
 637
 638 #ifndef PRISM2_NO_STATION_MODES
 639 static int hostap_join_ap(struct net_device *dev)
 640 {
 641         struct hostap_interface *iface;
 642         local_info_t *local;
 643         struct hfa384x_join_request req;
 644         unsigned long flags;
 645         int i;
 646         struct hfa384x_hostscan_result *entry;
 647
 648         iface = netdev_priv(dev);
 649         local = iface->local;
 650
 651         memcpy(req.bssid, local->preferred_ap, ETH_ALEN);
 652         req.channel = 0;
 653
 654         spin_lock_irqsave(&local->lock, flags);
 655         for (i = 0; i < local->last_scan_results_count; i++) {
 656                 if (!local->last_scan_results)
 657                         break;
 658                 entry = &local->last_scan_results[i];
 659                 if (ether_addr_equal(local->preferred_ap, entry->bssid)) {
 660                         req.channel = entry->chid;
 661                         break;
 662                 }
 663         }
 664         spin_unlock_irqrestore(&local->lock, flags);
 665
 666         if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req,
 667                                  sizeof(req))) {
 668                 printk(KERN_DEBUG "%s: JoinRequest %pM failed\n",
 669                        dev->name, local->preferred_ap);
 670                 return -1;
 671         }
 672
 673         printk(KERN_DEBUG "%s: Trying to join BSSID %pM\n",
 674                dev->name, local->preferred_ap);
 675
 676         return 0;
 677 }
 678 #endif /* PRISM2_NO_STATION_MODES */
 679
 680
 681 static int prism2_ioctl_siwap(struct net_device *dev,
 682                               struct iw_request_info *info,
 683                               union iwreq_data *wrqu, char *extra)
 684 {
 685         struct sockaddr *ap_addr = &wrqu->ap_addr;
 686 #ifdef PRISM2_NO_STATION_MODES
 687         return -EOPNOTSUPP;
 688 #else /* PRISM2_NO_STATION_MODES */
 689         struct hostap_interface *iface;
 690         local_info_t *local;
 691
 692         iface = netdev_priv(dev);
 693         local = iface->local;
 694
 695         memcpy(local->preferred_ap, &ap_addr->sa_data, ETH_ALEN);
 696
 697         if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) {
 698                 struct hfa384x_scan_request scan_req;
 699                 memset(&scan_req, 0, sizeof(scan_req));
 700                 scan_req.channel_list = cpu_to_le16(0x3fff);
 701                 scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
 702                 if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST,
 703                                          &scan_req, sizeof(scan_req))) {
 704                         printk(KERN_DEBUG "%s: ScanResults request failed - "
 705                                "preferred AP delayed to next unsolicited "
 706                                "scan\n", dev->name);
 707                 }
 708         } else if (local->host_roaming == 2 &&
 709                    local->iw_mode == IW_MODE_INFRA) {
 710                 if (hostap_join_ap(dev))
 711                         return -EINVAL;
 712         } else {
 713                 printk(KERN_DEBUG "%s: Preferred AP (SIOCSIWAP) is used only "
 714                        "in Managed mode when host_roaming is enabled\n",
 715                        dev->name);
 716         }
 717
 718         return 0;
 719 #endif /* PRISM2_NO_STATION_MODES */
 720 }
 721
 722 static int prism2_ioctl_giwap(struct net_device *dev,
 723                               struct iw_request_info *info,
 724                               union iwreq_data *wrqu, char *extra)
 725 {
 726         struct sockaddr *ap_addr = &wrqu->ap_addr;
 727         struct hostap_interface *iface;
 728         local_info_t *local;
 729
 730         iface = netdev_priv(dev);
 731         local = iface->local;
 732
 733         ap_addr->sa_family = ARPHRD_ETHER;
 734         switch (iface->type) {
 735         case HOSTAP_INTERFACE_AP:
 736                 memcpy(&ap_addr->sa_data, dev->dev_addr, ETH_ALEN);
 737                 break;
 738         case HOSTAP_INTERFACE_STA:
 739                 memcpy(&ap_addr->sa_data, local->assoc_ap_addr, ETH_ALEN);
 740                 break;
 741         case HOSTAP_INTERFACE_WDS:
 742                 memcpy(&ap_addr->sa_data, iface->u.wds.remote_addr, ETH_ALEN);
 743                 break;
 744         default:
 745                 if (local->func->get_rid(dev, HFA384X_RID_CURRENTBSSID,
 746                                          &ap_addr->sa_data, ETH_ALEN, 1) < 0)
 747                         return -EOPNOTSUPP;
 748
 749                 /* local->bssid is also updated in LinkStatus handler when in
 750                  * station mode */
 751                 memcpy(local->bssid, &ap_addr->sa_data, ETH_ALEN);
 752                 break;
 753         }
 754
 755         return 0;
 756 }
 757
 758
 759 static int prism2_ioctl_siwnickn(struct net_device *dev,
 760                                  struct iw_request_info *info,
 761                                  union iwreq_data *wrqu, char *nickname)
 762 {
 763         struct iw_point *data = &wrqu->data;
 764         struct hostap_interface *iface;
 765         local_info_t *local;
 766
 767         iface = netdev_priv(dev);
 768         local = iface->local;
 769
 770         memset(local->name, 0, sizeof(local->name));
 771         memcpy(local->name, nickname, data->length);
 772         local->name_set = 1;
 773
 774         if (hostap_set_string(dev, HFA384X_RID_CNFOWNNAME, local->name) ||
 775             local->func->reset_port(dev))
 776                 return -EINVAL;
 777
 778         return 0;
 779 }
 780
 781 static int prism2_ioctl_giwnickn(struct net_device *dev,
 782                                  struct iw_request_info *info,
 783                                  union iwreq_data *wrqu, char *nickname)
 784 {
 785         struct iw_point *data = &wrqu->data;
 786         struct hostap_interface *iface;
 787         local_info_t *local;
 788         int len;
 789         char name[MAX_NAME_LEN + 3];
 790         u16 val;
 791
 792         iface = netdev_priv(dev);
 793         local = iface->local;
 794
 795         len = local->func->get_rid(dev, HFA384X_RID_CNFOWNNAME,
 796                                    &name, MAX_NAME_LEN + 2, 0);
 797         val = le16_to_cpu(*(__le16 *) name);
 798         if (len > MAX_NAME_LEN + 2 || len < 0 || val > MAX_NAME_LEN)
 799                 return -EOPNOTSUPP;
 800
 801         name[val + 2] = '\0';
 802         data->length = val + 1;
 803         memcpy(nickname, name + 2, val + 1);
 804
 805         return 0;
 806 }
 807
 808
 809 static int prism2_ioctl_siwfreq(struct net_device *dev,
 810                                 struct iw_request_info *info,
 811                                 union iwreq_data *wrqu, char *extra)
 812 {
 813         struct iw_freq *freq = &wrqu->freq;
 814         struct hostap_interface *iface;
 815         local_info_t *local;
 816
 817         iface = netdev_priv(dev);
 818         local = iface->local;
 819
 820         /* freq => chan. */
 821         if (freq->e == 1 &&
 822             freq->m / 100000 >= freq_list[0] &&
 823             freq->m / 100000 <= freq_list[FREQ_COUNT - 1]) {
 824                 int ch;
 825                 int fr = freq->m / 100000;
 826                 for (ch = 0; ch < FREQ_COUNT; ch++) {
 827                         if (fr == freq_list[ch]) {
 828                                 freq->e = 0;
 829                                 freq->m = ch + 1;
 830                                 break;
 831                         }
 832                 }
 833         }
 834
 835         if (freq->e != 0 || freq->m < 1 || freq->m > FREQ_COUNT ||
 836             !(local->channel_mask & (1 << (freq->m - 1))))
 837                 return -EINVAL;
 838
 839         local->channel = freq->m; /* channel is used in prism2_setup_rids() */
 840         if (hostap_set_word(dev, HFA384X_RID_CNFOWNCHANNEL, local->channel) ||
 841             local->func->reset_port(dev))
 842                 return -EINVAL;
 843
 844         return 0;
 845 }
 846
 847 static int prism2_ioctl_giwfreq(struct net_device *dev,
 848                                 struct iw_request_info *info,
 849                                 union iwreq_data *wrqu, char *extra)
 850 {
 851         struct iw_freq *freq = &wrqu->freq;
 852         struct hostap_interface *iface;
 853         local_info_t *local;
 854         u16 val;
 855
 856         iface = netdev_priv(dev);
 857         local = iface->local;
 858
 859         if (local->func->get_rid(dev, HFA384X_RID_CURRENTCHANNEL, &val, 2, 1) <
 860             0)
 861                 return -EINVAL;
 862
 863         le16_to_cpus(&val);
 864         if (val < 1 || val > FREQ_COUNT)
 865                 return -EINVAL;
 866
 867         freq->m = freq_list[val - 1] * 100000;
 868         freq->e = 1;
 869
 870         return 0;
 871 }
 872
 873
 874 static void hostap_monitor_set_type(local_info_t *local)
 875 {
 876         struct net_device *dev = local->ddev;
 877
 878         if (dev == NULL)
 879                 return;
 880
 881         if (local->monitor_type == PRISM2_MONITOR_PRISM ||
 882             local->monitor_type == PRISM2_MONITOR_CAPHDR) {
 883                 dev->type = ARPHRD_IEEE80211_PRISM;
 884         } else if (local->monitor_type == PRISM2_MONITOR_RADIOTAP) {
 885                 dev->type = ARPHRD_IEEE80211_RADIOTAP;
 886         } else {
 887                 dev->type = ARPHRD_IEEE80211;
 888         }
 889 }
 890
 891
 892 static int prism2_ioctl_siwessid(struct net_device *dev,
 893                                  struct iw_request_info *info,
 894                                  union iwreq_data *wrqu, char *ssid)
 895 {
 896         struct iw_point *data = &wrqu->data;
 897         struct hostap_interface *iface;
 898         local_info_t *local;
 899
 900         iface = netdev_priv(dev);
 901         local = iface->local;
 902
 903         if (iface->type == HOSTAP_INTERFACE_WDS)
 904                 return -EOPNOTSUPP;
 905
 906         if (data->flags == 0)
 907                 ssid[0] = '\0'; /* ANY */
 908
 909         if (local->iw_mode == IW_MODE_MASTER && ssid[0] == '\0') {
 910                 /* Setting SSID to empty string seems to kill the card in
 911                  * Host AP mode */
 912                 printk(KERN_DEBUG "%s: Host AP mode does not support "
 913                        "'Any' essid\n", dev->name);
 914                 return -EINVAL;
 915         }
 916
 917         memcpy(local->essid, ssid, data->length);
 918         local->essid[data->length] = '\0';
 919
 920         if ((!local->fw_ap &&
 921              hostap_set_string(dev, HFA384X_RID_CNFDESIREDSSID, local->essid))
 922             || hostap_set_string(dev, HFA384X_RID_CNFOWNSSID, local->essid) ||
 923             local->func->reset_port(dev))
 924                 return -EINVAL;
 925
 926         return 0;
 927 }
 928
 929 static int prism2_ioctl_giwessid(struct net_device *dev,
 930                                  struct iw_request_info *info,
 931                                  union iwreq_data *wrqu, char *essid)
 932 {
 933         struct iw_point *data = &wrqu->data;
 934         struct hostap_interface *iface;
 935         local_info_t *local;
 936         u16 val;
 937
 938         iface = netdev_priv(dev);
 939         local = iface->local;
 940
 941         if (iface->type == HOSTAP_INTERFACE_WDS)
 942                 return -EOPNOTSUPP;
 943
 944         data->flags = 1; /* active */
 945         if (local->iw_mode == IW_MODE_MASTER) {
 946                 data->length = strlen(local->essid);
 947                 memcpy(essid, local->essid, IW_ESSID_MAX_SIZE);
 948         } else {
 949                 int len;
 950                 char ssid[MAX_SSID_LEN + 2];
 951                 memset(ssid, 0, sizeof(ssid));
 952                 len = local->func->get_rid(dev, HFA384X_RID_CURRENTSSID,
 953                                            &ssid, MAX_SSID_LEN + 2, 0);
 954                 val = le16_to_cpu(*(__le16 *) ssid);
 955                 if (len > MAX_SSID_LEN + 2 || len < 0 || val > MAX_SSID_LEN) {
 956                         return -EOPNOTSUPP;
 957                 }
 958                 data->length = val;
 959                 memcpy(essid, ssid + 2, IW_ESSID_MAX_SIZE);
 960         }
 961
 962         return 0;
 963 }
 964
 965
 966 static int prism2_ioctl_giwrange(struct net_device *dev,
 967                                  struct iw_request_info *info,
 968                                  union iwreq_data *wrqu, char *extra)
 969 {
 970         struct iw_point *data = &wrqu->data;
 971         struct hostap_interface *iface;
 972         local_info_t *local;
 973         struct iw_range *range = (struct iw_range *) extra;
 974         u8 rates[10];
 975         u16 val;
 976         int i, len, over2;
 977
 978         iface = netdev_priv(dev);
 979         local = iface->local;
 980
 981         data->length = sizeof(struct iw_range);
 982         memset(range, 0, sizeof(struct iw_range));
 983
 984         /* TODO: could fill num_txpower and txpower array with
 985          * something; however, there are 128 different values.. */
 986
 987         range->txpower_capa = IW_TXPOW_DBM;
 988
 989         if (local->iw_mode == IW_MODE_INFRA || local->iw_mode == IW_MODE_ADHOC)
 990         {
 991                 range->min_pmp = 1 * 1024;
 992                 range->max_pmp = 65535 * 1024;
 993                 range->min_pmt = 1 * 1024;
 994                 range->max_pmt = 1000 * 1024;
 995                 range->pmp_flags = IW_POWER_PERIOD;
 996                 range->pmt_flags = IW_POWER_TIMEOUT;
 997                 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT |
 998                         IW_POWER_UNICAST_R | IW_POWER_ALL_R;
 999         }
1000
1001         range->we_version_compiled = WIRELESS_EXT;
1002         range->we_version_source = 18;
1003
1004         range->retry_capa = IW_RETRY_LIMIT;
1005         range->retry_flags = IW_RETRY_LIMIT;
1006         range->min_retry = 0;
1007         range->max_retry = 255;
1008
1009         range->num_channels = FREQ_COUNT;
1010
1011         val = 0;
1012         for (i = 0; i < FREQ_COUNT; i++) {
1013                 if (local->channel_mask & (1 << i)) {
1014                         range->freq[val].i = i + 1;
1015                         range->freq[val].m = freq_list[i] * 100000;
1016                         range->freq[val].e = 1;
1017                         val++;
1018                 }
1019                 if (val == IW_MAX_FREQUENCIES)
1020                         break;
1021         }
1022         range->num_frequency = val;
1023
1024         if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) {
1025                 range->max_qual.qual = 70; /* what is correct max? This was not
1026                                             * documented exactly. At least
1027                                             * 69 has been observed. */
1028                 range->max_qual.level = 0; /* dB */
1029                 range->max_qual.noise = 0; /* dB */
1030
1031                 /* What would be suitable values for "average/typical" qual? */
1032                 range->avg_qual.qual = 20;
1033                 range->avg_qual.level = -60;
1034                 range->avg_qual.noise = -95;
1035         } else {
1036                 range->max_qual.qual = 92; /* 0 .. 92 */
1037                 range->max_qual.level = 154; /* 27 .. 154 */
1038                 range->max_qual.noise = 154; /* 27 .. 154 */
1039         }
1040         range->sensitivity = 3;
1041
1042         range->max_encoding_tokens = WEP_KEYS;
1043         range->num_encoding_sizes = 2;
1044         range->encoding_size[0] = 5;
1045         range->encoding_size[1] = 13;
1046
1047         over2 = 0;
1048         len = prism2_get_datarates(dev, rates);
1049         range->num_bitrates = 0;
1050         for (i = 0; i < len; i++) {
1051                 if (range->num_bitrates < IW_MAX_BITRATES) {
1052                         range->bitrate[range->num_bitrates] =
1053                                 rates[i] * 500000;
1054                         range->num_bitrates++;
1055                 }
1056                 if (rates[i] == 0x0b || rates[i] == 0x16)
1057                         over2 = 1;
1058         }
1059         /* estimated maximum TCP throughput values (bps) */
1060         range->throughput = over2 ? 5500000 : 1500000;
1061
1062         range->min_rts = 0;
1063         range->max_rts = 2347;
1064         range->min_frag = 256;
1065         range->max_frag = 2346;
1066
1067         /* Event capability (kernel + driver) */
1068         range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
1069                                 IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
1070                                 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
1071                                 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
1072         range->event_capa[1] = IW_EVENT_CAPA_K_1;
1073         range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVTXDROP) |
1074                                 IW_EVENT_CAPA_MASK(IWEVCUSTOM) |
1075                                 IW_EVENT_CAPA_MASK(IWEVREGISTERED) |
1076                                 IW_EVENT_CAPA_MASK(IWEVEXPIRED));
1077
1078         range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
1079                 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
1080
1081         if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1082                 range->scan_capa = IW_SCAN_CAPA_ESSID;
1083
1084         return 0;
1085 }
1086
1087
1088 static int hostap_monitor_mode_enable(local_info_t *local)
1089 {
1090         struct net_device *dev = local->dev;
1091
1092         printk(KERN_DEBUG "Enabling monitor mode\n");
1093         hostap_monitor_set_type(local);
1094
1095         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1096                             HFA384X_PORTTYPE_PSEUDO_IBSS)) {
1097                 printk(KERN_DEBUG "Port type setting for monitor mode "
1098                        "failed\n");
1099                 return -EOPNOTSUPP;
1100         }
1101
1102         /* Host decrypt is needed to get the IV and ICV fields;
1103          * however, monitor mode seems to remove WEP flag from frame
1104          * control field */
1105         if (hostap_set_word(dev, HFA384X_RID_CNFWEPFLAGS,
1106                             HFA384X_WEPFLAGS_HOSTENCRYPT |
1107                             HFA384X_WEPFLAGS_HOSTDECRYPT)) {
1108                 printk(KERN_DEBUG "WEP flags setting failed\n");
1109                 return -EOPNOTSUPP;
1110         }
1111
1112         if (local->func->reset_port(dev) ||
1113             local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1114                              (HFA384X_TEST_MONITOR << 8),
1115                              0, NULL, NULL)) {
1116                 printk(KERN_DEBUG "Setting monitor mode failed\n");
1117                 return -EOPNOTSUPP;
1118         }
1119
1120         return 0;
1121 }
1122
1123
1124 static int hostap_monitor_mode_disable(local_info_t *local)
1125 {
1126         struct net_device *dev = local->ddev;
1127
1128         if (dev == NULL)
1129                 return -1;
1130
1131         printk(KERN_DEBUG "%s: Disabling monitor mode\n", dev->name);
1132         dev->type = ARPHRD_ETHER;
1133
1134         if (local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1135                              (HFA384X_TEST_STOP << 8),
1136                              0, NULL, NULL))
1137                 return -1;
1138         return hostap_set_encryption(local);
1139 }
1140
1141
1142 static int prism2_ioctl_siwmode(struct net_device *dev,
1143                                 struct iw_request_info *info,
1144                                 union iwreq_data *wrqu, char *extra)
1145 {
1146         __u32 *mode = &wrqu->mode;
1147         struct hostap_interface *iface;
1148         local_info_t *local;
1149         int double_reset = 0;
1150
1151         iface = netdev_priv(dev);
1152         local = iface->local;
1153
1154         if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA &&
1155             *mode != IW_MODE_MASTER && *mode != IW_MODE_REPEAT &&
1156             *mode != IW_MODE_MONITOR)
1157                 return -EOPNOTSUPP;
1158
1159 #ifdef PRISM2_NO_STATION_MODES
1160         if (*mode == IW_MODE_ADHOC || *mode == IW_MODE_INFRA)
1161                 return -EOPNOTSUPP;
1162 #endif /* PRISM2_NO_STATION_MODES */
1163
1164         if (*mode == local->iw_mode)
1165                 return 0;
1166
1167         if (*mode == IW_MODE_MASTER && local->essid[0] == '\0') {
1168                 printk(KERN_WARNING "%s: empty SSID not allowed in Master "
1169                        "mode\n", dev->name);
1170                 return -EINVAL;
1171         }
1172
1173         if (local->iw_mode == IW_MODE_MONITOR)
1174                 hostap_monitor_mode_disable(local);
1175
1176         if ((local->iw_mode == IW_MODE_ADHOC ||
1177              local->iw_mode == IW_MODE_MONITOR) && *mode == IW_MODE_MASTER) {
1178                 /* There seems to be a firmware bug in at least STA f/w v1.5.6
1179                  * that leaves beacon frames to use IBSS type when moving from
1180                  * IBSS to Host AP mode. Doing double Port0 reset seems to be
1181                  * enough to workaround this. */
1182                 double_reset = 1;
1183         }
1184
1185         printk(KERN_DEBUG "prism2: %s: operating mode changed "
1186                "%d -> %d\n", dev->name, local->iw_mode, *mode);
1187         local->iw_mode = *mode;
1188
1189         if (local->iw_mode == IW_MODE_MONITOR)
1190                 hostap_monitor_mode_enable(local);
1191         else if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt &&
1192                  !local->fw_encrypt_ok) {
1193                 printk(KERN_DEBUG "%s: defaulting to host-based encryption as "
1194                        "a workaround for firmware bug in Host AP mode WEP\n",
1195                        dev->name);
1196                 local->host_encrypt = 1;
1197         }
1198
1199         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1200                             hostap_get_porttype(local)))
1201                 return -EOPNOTSUPP;
1202
1203         if (local->func->reset_port(dev))
1204                 return -EINVAL;
1205         if (double_reset && local->func->reset_port(dev))
1206                 return -EINVAL;
1207
1208         if (local->iw_mode != IW_MODE_INFRA && local->iw_mode != IW_MODE_ADHOC)
1209         {
1210                 /* netif_carrier is used only in client modes for now, so make
1211                  * sure carrier is on when moving to non-client modes. */
1212                 netif_carrier_on(local->dev);
1213                 netif_carrier_on(local->ddev);
1214         }
1215         return 0;
1216 }
1217
1218
1219 static int prism2_ioctl_giwmode(struct net_device *dev,
1220                                 struct iw_request_info *info,
1221                                 union iwreq_data *wrqu, char *extra)
1222 {
1223         __u32 *mode = &wrqu->mode;
1224         struct hostap_interface *iface;
1225         local_info_t *local;
1226
1227         iface = netdev_priv(dev);
1228         local = iface->local;
1229
1230         switch (iface->type) {
1231         case HOSTAP_INTERFACE_STA:
1232                 *mode = IW_MODE_INFRA;
1233                 break;
1234         case HOSTAP_INTERFACE_WDS:
1235                 *mode = IW_MODE_REPEAT;
1236                 break;
1237         default:
1238                 *mode = local->iw_mode;
1239                 break;
1240         }
1241         return 0;
1242 }
1243
1244
1245 static int prism2_ioctl_siwpower(struct net_device *dev,
1246                                  struct iw_request_info *info,
1247                                  union iwreq_data *wrqu, char *extra)
1248 {
1249         struct iw_param *wrq = &wrqu->power;
1250 #ifdef PRISM2_NO_STATION_MODES
1251         return -EOPNOTSUPP;
1252 #else /* PRISM2_NO_STATION_MODES */
1253         int ret = 0;
1254
1255         if (wrq->disabled)
1256                 return hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 0);
1257
1258         switch (wrq->flags & IW_POWER_MODE) {
1259         case IW_POWER_UNICAST_R:
1260                 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 0);
1261                 if (ret)
1262                         return ret;
1263                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1264                 if (ret)
1265                         return ret;
1266                 break;
1267         case IW_POWER_ALL_R:
1268                 ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 1);
1269                 if (ret)
1270                         return ret;
1271                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1272                 if (ret)
1273                         return ret;
1274                 break;
1275         case IW_POWER_ON:
1276                 break;
1277         default:
1278                 return -EINVAL;
1279         }
1280
1281         if (wrq->flags & IW_POWER_TIMEOUT) {
1282                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1283                 if (ret)
1284                         return ret;
1285                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMHOLDOVERDURATION,
1286                                       wrq->value / 1024);
1287                 if (ret)
1288                         return ret;
1289         }
1290         if (wrq->flags & IW_POWER_PERIOD) {
1291                 ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1292                 if (ret)
1293                         return ret;
1294                 ret = hostap_set_word(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1295                                       wrq->value / 1024);
1296                 if (ret)
1297                         return ret;
1298         }
1299
1300         return ret;
1301 #endif /* PRISM2_NO_STATION_MODES */
1302 }
1303
1304
1305 static int prism2_ioctl_giwpower(struct net_device *dev,
1306                                  struct iw_request_info *info,
1307                                  union iwreq_data *wrqu, char *extra)
1308 {
1309         struct iw_param *rrq = &wrqu->power;
1310 #ifdef PRISM2_NO_STATION_MODES
1311         return -EOPNOTSUPP;
1312 #else /* PRISM2_NO_STATION_MODES */
1313         struct hostap_interface *iface;
1314         local_info_t *local;
1315         __le16 enable, mcast;
1316
1317         iface = netdev_priv(dev);
1318         local = iface->local;
1319
1320         if (local->func->get_rid(dev, HFA384X_RID_CNFPMENABLED, &enable, 2, 1)
1321             < 0)
1322                 return -EINVAL;
1323
1324         if (!le16_to_cpu(enable)) {
1325                 rrq->disabled = 1;
1326                 return 0;
1327         }
1328
1329         rrq->disabled = 0;
1330
1331         if ((rrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
1332                 __le16 timeout;
1333                 if (local->func->get_rid(dev,
1334                                          HFA384X_RID_CNFPMHOLDOVERDURATION,
1335                                          &timeout, 2, 1) < 0)
1336                         return -EINVAL;
1337
1338                 rrq->flags = IW_POWER_TIMEOUT;
1339                 rrq->value = le16_to_cpu(timeout) * 1024;
1340         } else {
1341                 __le16 period;
1342                 if (local->func->get_rid(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1343                                          &period, 2, 1) < 0)
1344                         return -EINVAL;
1345
1346                 rrq->flags = IW_POWER_PERIOD;
1347                 rrq->value = le16_to_cpu(period) * 1024;
1348         }
1349
1350         if (local->func->get_rid(dev, HFA384X_RID_CNFMULTICASTRECEIVE, &mcast,
1351                                  2, 1) < 0)
1352                 return -EINVAL;
1353
1354         if (le16_to_cpu(mcast))
1355                 rrq->flags |= IW_POWER_ALL_R;
1356         else
1357                 rrq->flags |= IW_POWER_UNICAST_R;
1358
1359         return 0;
1360 #endif /* PRISM2_NO_STATION_MODES */
1361 }
1362
1363
1364 static int prism2_ioctl_siwretry(struct net_device *dev,
1365                                  struct iw_request_info *info,
1366                                  union iwreq_data *wrqu, char *extra)
1367 {
1368         struct iw_param *rrq = &wrqu->retry;
1369         struct hostap_interface *iface;
1370         local_info_t *local;
1371
1372         iface = netdev_priv(dev);
1373         local = iface->local;
1374
1375         if (rrq->disabled)
1376                 return -EINVAL;
1377
1378         /* setting retry limits is not supported with the current station
1379          * firmware code; simulate this with alternative retry count for now */
1380         if (rrq->flags == IW_RETRY_LIMIT) {
1381                 if (rrq->value < 0) {
1382                         /* disable manual retry count setting and use firmware
1383                          * defaults */
1384                         local->manual_retry_count = -1;
1385                         local->tx_control &= ~HFA384X_TX_CTRL_ALT_RTRY;
1386                 } else {
1387                         if (hostap_set_word(dev, HFA384X_RID_CNFALTRETRYCOUNT,
1388                                             rrq->value)) {
1389                                 printk(KERN_DEBUG "%s: Alternate retry count "
1390                                        "setting to %d failed\n",
1391                                        dev->name, rrq->value);
1392                                 return -EOPNOTSUPP;
1393                         }
1394
1395                         local->manual_retry_count = rrq->value;
1396                         local->tx_control |= HFA384X_TX_CTRL_ALT_RTRY;
1397                 }
1398                 return 0;
1399         }
1400
1401         return -EOPNOTSUPP;
1402
1403 #if 0
1404         /* what could be done, if firmware would support this.. */
1405
1406         if (rrq->flags & IW_RETRY_LIMIT) {
1407                 if (rrq->flags & IW_RETRY_LONG)
1408                         HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1409                 else if (rrq->flags & IW_RETRY_SHORT)
1410                         HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1411                 else {
1412                         HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1413                         HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1414                 }
1415
1416         }
1417
1418         if (rrq->flags & IW_RETRY_LIFETIME) {
1419                 HFA384X_RID_MAXTRANSMITLIFETIME = rrq->value / 1024;
1420         }
1421
1422         return 0;
1423 #endif /* 0 */
1424 }
1425
1426 static int prism2_ioctl_giwretry(struct net_device *dev,
1427                                  struct iw_request_info *info,
1428                                  union iwreq_data *wrqu, char *extra)
1429 {
1430         struct iw_param *rrq = &wrqu->retry;
1431         struct hostap_interface *iface;
1432         local_info_t *local;
1433         __le16 shortretry, longretry, lifetime, altretry;
1434
1435         iface = netdev_priv(dev);
1436         local = iface->local;
1437
1438         if (local->func->get_rid(dev, HFA384X_RID_SHORTRETRYLIMIT, &shortretry,
1439                                  2, 1) < 0 ||
1440             local->func->get_rid(dev, HFA384X_RID_LONGRETRYLIMIT, &longretry,
1441                                  2, 1) < 0 ||
1442             local->func->get_rid(dev, HFA384X_RID_MAXTRANSMITLIFETIME,
1443                                  &lifetime, 2, 1) < 0)
1444                 return -EINVAL;
1445
1446         rrq->disabled = 0;
1447
1448         if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
1449                 rrq->flags = IW_RETRY_LIFETIME;
1450                 rrq->value = le16_to_cpu(lifetime) * 1024;
1451         } else {
1452                 if (local->manual_retry_count >= 0) {
1453                         rrq->flags = IW_RETRY_LIMIT;
1454                         if (local->func->get_rid(dev,
1455                                                  HFA384X_RID_CNFALTRETRYCOUNT,
1456                                                  &altretry, 2, 1) >= 0)
1457                                 rrq->value = le16_to_cpu(altretry);
1458                         else
1459                                 rrq->value = local->manual_retry_count;
1460                 } else if ((rrq->flags & IW_RETRY_LONG)) {
1461                         rrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
1462                         rrq->value = le16_to_cpu(longretry);
1463                 } else {
1464                         rrq->flags = IW_RETRY_LIMIT;
1465                         rrq->value = le16_to_cpu(shortretry);
1466                         if (shortretry != longretry)
1467                                 rrq->flags |= IW_RETRY_SHORT;
1468                 }
1469         }
1470         return 0;
1471 }
1472
1473
1474 /* Note! This TX power controlling is experimental and should not be used in
1475  * production use. It just sets raw power register and does not use any kind of
1476  * feedback information from the measured TX power (CR58). This is now
1477  * commented out to make sure that it is not used by accident. TX power
1478  * configuration will be enabled again after proper algorithm using feedback
1479  * has been implemented. */
1480
1481 #ifdef RAW_TXPOWER_SETTING
1482 /* Map HFA386x's CR31 to and from dBm with some sort of ad hoc mapping..
1483  * This version assumes following mapping:
1484  * CR31 is 7-bit value with -64 to +63 range.
1485  * -64 is mapped into +20dBm and +63 into -43dBm.
1486  * This is certainly not an exact mapping for every card, but at least
1487  * increasing dBm value should correspond to increasing TX power.
1488  */
1489
1490 static int prism2_txpower_hfa386x_to_dBm(u16 val)
1491 {
1492         signed char tmp;
1493
1494         if (val > 255)
1495                 val = 255;
1496
1497         tmp = val;
1498         tmp >>= 2;
1499
1500         return -12 - tmp;
1501 }
1502
1503 static u16 prism2_txpower_dBm_to_hfa386x(int val)
1504 {
1505         signed char tmp;
1506
1507         if (val > 20)
1508                 return 128;
1509         else if (val < -43)
1510                 return 127;
1511
1512         tmp = val;
1513         tmp = -12 - tmp;
1514         tmp <<= 2;
1515
1516         return (unsigned char) tmp;
1517 }
1518 #endif /* RAW_TXPOWER_SETTING */
1519
1520
1521 static int prism2_ioctl_siwtxpow(struct net_device *dev,
1522                                  struct iw_request_info *info,
1523                                  union iwreq_data *wrqu, char *extra)
1524 {
1525         struct iw_param *rrq = &wrqu->txpower;
1526         struct hostap_interface *iface;
1527         local_info_t *local;
1528 #ifdef RAW_TXPOWER_SETTING
1529         char *tmp;
1530 #endif
1531         u16 val;
1532         int ret = 0;
1533
1534         iface = netdev_priv(dev);
1535         local = iface->local;
1536
1537         if (rrq->disabled) {
1538                 if (local->txpower_type != PRISM2_TXPOWER_OFF) {
1539                         val = 0xff; /* use all standby and sleep modes */
1540                         ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1541                                                HFA386X_CR_A_D_TEST_MODES2,
1542                                                &val, NULL);
1543                         printk(KERN_DEBUG "%s: Turning radio off: %s\n",
1544                                dev->name, ret ? "failed" : "OK");
1545                         local->txpower_type = PRISM2_TXPOWER_OFF;
1546                 }
1547                 return (ret ? -EOPNOTSUPP : 0);
1548         }
1549
1550         if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1551                 val = 0; /* disable all standby and sleep modes */
1552                 ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1553                                        HFA386X_CR_A_D_TEST_MODES2, &val, NULL);
1554                 printk(KERN_DEBUG "%s: Turning radio on: %s\n",
1555                        dev->name, ret ? "failed" : "OK");
1556                 local->txpower_type = PRISM2_TXPOWER_UNKNOWN;
1557         }
1558
1559 #ifdef RAW_TXPOWER_SETTING
1560         if (!rrq->fixed && local->txpower_type != PRISM2_TXPOWER_AUTO) {
1561                 printk(KERN_DEBUG "Setting ALC on\n");
1562                 val = HFA384X_TEST_CFG_BIT_ALC;
1563                 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1564                                  (HFA384X_TEST_CFG_BITS << 8), 1, &val, NULL);
1565                 local->txpower_type = PRISM2_TXPOWER_AUTO;
1566                 return 0;
1567         }
1568
1569         if (local->txpower_type != PRISM2_TXPOWER_FIXED) {
1570                 printk(KERN_DEBUG "Setting ALC off\n");
1571                 val = HFA384X_TEST_CFG_BIT_ALC;
1572                 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1573                                  (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
1574                         local->txpower_type = PRISM2_TXPOWER_FIXED;
1575         }
1576
1577         if (rrq->flags == IW_TXPOW_DBM)
1578                 tmp = "dBm";
1579         else if (rrq->flags == IW_TXPOW_MWATT)
1580                 tmp = "mW";
1581         else
1582                 tmp = "UNKNOWN";
1583         printk(KERN_DEBUG "Setting TX power to %d %s\n", rrq->value, tmp);
1584
1585         if (rrq->flags != IW_TXPOW_DBM) {
1586                 printk("SIOCSIWTXPOW with mW is not supported; use dBm\n");
1587                 return -EOPNOTSUPP;
1588         }
1589
1590         local->txpower = rrq->value;
1591         val = prism2_txpower_dBm_to_hfa386x(local->txpower);
1592         if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1593                              HFA386X_CR_MANUAL_TX_POWER, &val, NULL))
1594                 ret = -EOPNOTSUPP;
1595 #else /* RAW_TXPOWER_SETTING */
1596         if (rrq->fixed)
1597                 ret = -EOPNOTSUPP;
1598 #endif /* RAW_TXPOWER_SETTING */
1599
1600         return ret;
1601 }
1602
1603 static int prism2_ioctl_giwtxpow(struct net_device *dev,
1604                                  struct iw_request_info *info,
1605                                  union iwreq_data *wrqu, char *extra)
1606 {
1607 #ifdef RAW_TXPOWER_SETTING
1608         struct iw_param *rrq = &wrqu->txpower;
1609         struct hostap_interface *iface;
1610         local_info_t *local;
1611         u16 resp0;
1612
1613         iface = netdev_priv(dev);
1614         local = iface->local;
1615
1616         rrq->flags = IW_TXPOW_DBM;
1617         rrq->disabled = 0;
1618         rrq->fixed = 0;
1619
1620         if (local->txpower_type == PRISM2_TXPOWER_AUTO) {
1621                 if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF,
1622                                      HFA386X_CR_MANUAL_TX_POWER,
1623                                      NULL, &resp0) == 0) {
1624                         rrq->value = prism2_txpower_hfa386x_to_dBm(resp0);
1625                 } else {
1626                         /* Could not get real txpower; guess 15 dBm */
1627                         rrq->value = 15;
1628                 }
1629         } else if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1630                 rrq->value = 0;
1631                 rrq->disabled = 1;
1632         } else if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
1633                 rrq->value = local->txpower;
1634                 rrq->fixed = 1;
1635         } else {
1636                 printk("SIOCGIWTXPOW - unknown txpower_type=%d\n",
1637                        local->txpower_type);
1638         }
1639         return 0;
1640 #else /* RAW_TXPOWER_SETTING */
1641         return -EOPNOTSUPP;
1642 #endif /* RAW_TXPOWER_SETTING */
1643 }
1644
1645
1646 #ifndef PRISM2_NO_STATION_MODES
1647
1648 /* HostScan request works with and without host_roaming mode. In addition, it
1649  * does not break current association. However, it requires newer station
1650  * firmware version (>= 1.3.1) than scan request. */
1651 static int prism2_request_hostscan(struct net_device *dev,
1652                                    u8 *ssid, u8 ssid_len)
1653 {
1654         struct hostap_interface *iface;
1655         local_info_t *local;
1656         struct hfa384x_hostscan_request scan_req;
1657
1658         iface = netdev_priv(dev);
1659         local = iface->local;
1660
1661         memset(&scan_req, 0, sizeof(scan_req));
1662         scan_req.channel_list = cpu_to_le16(local->channel_mask &
1663                                             local->scan_channel_mask);
1664         scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
1665         if (ssid) {
1666                 if (ssid_len > 32)
1667                         return -EINVAL;
1668                 scan_req.target_ssid_len = cpu_to_le16(ssid_len);
1669                 memcpy(scan_req.target_ssid, ssid, ssid_len);
1670         }
1671
1672         if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
1673                                  sizeof(scan_req))) {
1674                 printk(KERN_DEBUG "%s: HOSTSCAN failed\n", dev->name);
1675                 return -EINVAL;
1676         }
1677         return 0;
1678 }
1679
1680
1681 static int prism2_request_scan(struct net_device *dev)
1682 {
1683         struct hostap_interface *iface;
1684         local_info_t *local;
1685         struct hfa384x_scan_request scan_req;
1686         int ret = 0;
1687
1688         iface = netdev_priv(dev);
1689         local = iface->local;
1690
1691         memset(&scan_req, 0, sizeof(scan_req));
1692         scan_req.channel_list = cpu_to_le16(local->channel_mask &
1693                                             local->scan_channel_mask);
1694         scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
1695
1696         /* FIX:
1697          * It seems to be enough to set roaming mode for a short moment to
1698          * host-based and then setup scanrequest data and return the mode to
1699          * firmware-based.
1700          *
1701          * Master mode would need to drop to Managed mode for a short while
1702          * to make scanning work.. Or sweep through the different channels and
1703          * use passive scan based on beacons. */
1704
1705         if (!local->host_roaming)
1706                 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1707                                 HFA384X_ROAMING_HOST);
1708
1709         if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, &scan_req,
1710                                  sizeof(scan_req))) {
1711                 printk(KERN_DEBUG "SCANREQUEST failed\n");
1712                 ret = -EINVAL;
1713         }
1714
1715         if (!local->host_roaming)
1716                 hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1717                                 HFA384X_ROAMING_FIRMWARE);
1718
1719         return ret;
1720 }
1721
1722 #else /* !PRISM2_NO_STATION_MODES */
1723
1724 static inline int prism2_request_hostscan(struct net_device *dev,
1725                                           u8 *ssid, u8 ssid_len)
1726 {
1727         return -EOPNOTSUPP;
1728 }
1729
1730
1731 static inline int prism2_request_scan(struct net_device *dev)
1732 {
1733         return -EOPNOTSUPP;
1734 }
1735
1736 #endif /* !PRISM2_NO_STATION_MODES */
1737
1738
1739 static int prism2_ioctl_siwscan(struct net_device *dev,
1740                                 struct iw_request_info *info,
1741                                 union iwreq_data *wrqu, char *extra)
1742 {
1743         struct iw_point *data = &wrqu->data;
1744         struct hostap_interface *iface;
1745         local_info_t *local;
1746         int ret;
1747         u8 *ssid = NULL, ssid_len = 0;
1748         struct iw_scan_req *req = (struct iw_scan_req *) extra;
1749
1750         iface = netdev_priv(dev);
1751         local = iface->local;
1752
1753         if (data->length < sizeof(struct iw_scan_req))
1754                 req = NULL;
1755
1756         if (local->iw_mode == IW_MODE_MASTER) {
1757                 /* In master mode, we just return the results of our local
1758                  * tables, so we don't need to start anything...
1759                  * Jean II */
1760                 data->length = 0;
1761                 return 0;
1762         }
1763
1764         if (!local->dev_enabled)
1765                 return -ENETDOWN;
1766
1767         if (req && data->flags & IW_SCAN_THIS_ESSID) {
1768                 ssid = req->essid;
1769                 ssid_len = req->essid_len;
1770
1771                 if (ssid_len &&
1772                     ((local->iw_mode != IW_MODE_INFRA &&
1773                       local->iw_mode != IW_MODE_ADHOC) ||
1774                      (local->sta_fw_ver < PRISM2_FW_VER(1,3,1))))
1775                         return -EOPNOTSUPP;
1776         }
1777
1778         if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1779                 ret = prism2_request_hostscan(dev, ssid, ssid_len);
1780         else
1781                 ret = prism2_request_scan(dev);
1782
1783         if (ret == 0)
1784                 local->scan_timestamp = jiffies;
1785
1786         /* Could inquire F101, F103 or wait for SIOCGIWSCAN and read RID */
1787
1788         return ret;
1789 }
1790
1791
1792 #ifndef PRISM2_NO_STATION_MODES
1793 static char * __prism2_translate_scan(local_info_t *local,
1794                                       struct iw_request_info *info,
1795                                       struct hfa384x_hostscan_result *scan,
1796                                       struct hostap_bss_info *bss,
1797                                       char *current_ev, char *end_buf)
1798 {
1799         int i, chan;
1800         struct iw_event iwe;
1801         char *current_val;
1802         u16 capabilities;
1803         u8 *pos;
1804         u8 *ssid, *bssid;
1805         size_t ssid_len;
1806         char *buf;
1807
1808         if (bss) {
1809                 ssid = bss->ssid;
1810                 ssid_len = bss->ssid_len;
1811                 bssid = bss->bssid;
1812         } else {
1813                 ssid = scan->ssid;
1814                 ssid_len = le16_to_cpu(scan->ssid_len);
1815                 bssid = scan->bssid;
1816         }
1817         if (ssid_len > 32)
1818                 ssid_len = 32;
1819
1820         /* First entry *MUST* be the AP MAC address */
1821         memset(&iwe, 0, sizeof(iwe));
1822         iwe.cmd = SIOCGIWAP;
1823         iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1824         memcpy(iwe.u.ap_addr.sa_data, bssid, ETH_ALEN);
1825         current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
1826                                           IW_EV_ADDR_LEN);
1827
1828         /* Other entries will be displayed in the order we give them */
1829
1830         memset(&iwe, 0, sizeof(iwe));
1831         iwe.cmd = SIOCGIWESSID;
1832         iwe.u.data.length = ssid_len;
1833         iwe.u.data.flags = 1;
1834         current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1835                                           &iwe, ssid);
1836
1837         memset(&iwe, 0, sizeof(iwe));
1838         iwe.cmd = SIOCGIWMODE;
1839         if (bss) {
1840                 capabilities = bss->capab_info;
1841         } else {
1842                 capabilities = le16_to_cpu(scan->capability);
1843         }
1844         if (capabilities & (WLAN_CAPABILITY_ESS |
1845                             WLAN_CAPABILITY_IBSS)) {
1846                 if (capabilities & WLAN_CAPABILITY_ESS)
1847                         iwe.u.mode = IW_MODE_MASTER;
1848                 else
1849                         iwe.u.mode = IW_MODE_ADHOC;
1850                 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1851                                                   &iwe, IW_EV_UINT_LEN);
1852         }
1853
1854         memset(&iwe, 0, sizeof(iwe));
1855         iwe.cmd = SIOCGIWFREQ;
1856         if (scan) {
1857                 chan = le16_to_cpu(scan->chid);
1858         } else if (bss) {
1859                 chan = bss->chan;
1860         } else {
1861                 chan = 0;
1862         }
1863
1864         if (chan > 0) {
1865                 iwe.u.freq.m = freq_list[chan - 1] * 100000;
1866                 iwe.u.freq.e = 1;
1867                 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1868                                                   &iwe, IW_EV_FREQ_LEN);
1869         }
1870
1871         if (scan) {
1872                 memset(&iwe, 0, sizeof(iwe));
1873                 iwe.cmd = IWEVQUAL;
1874                 if (local->last_scan_type == PRISM2_HOSTSCAN) {
1875                         iwe.u.qual.level = le16_to_cpu(scan->sl);
1876                         iwe.u.qual.noise = le16_to_cpu(scan->anl);
1877                 } else {
1878                         iwe.u.qual.level =
1879                                 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->sl));
1880                         iwe.u.qual.noise =
1881                                 HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl));
1882                 }
1883                 iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED
1884                         | IW_QUAL_NOISE_UPDATED
1885                         | IW_QUAL_QUAL_INVALID
1886                         | IW_QUAL_DBM;
1887                 current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1888                                                   &iwe, IW_EV_QUAL_LEN);
1889         }
1890
1891         memset(&iwe, 0, sizeof(iwe));
1892         iwe.cmd = SIOCGIWENCODE;
1893         if (capabilities & WLAN_CAPABILITY_PRIVACY)
1894                 iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
1895         else
1896                 iwe.u.data.flags = IW_ENCODE_DISABLED;
1897         iwe.u.data.length = 0;
1898         current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, "");
1899
1900         /* TODO: add SuppRates into BSS table */
1901         if (scan) {
1902                 memset(&iwe, 0, sizeof(iwe));
1903                 iwe.cmd = SIOCGIWRATE;
1904                 current_val = current_ev + iwe_stream_lcp_len(info);
1905                 pos = scan->sup_rates;
1906                 for (i = 0; i < sizeof(scan->sup_rates); i++) {
1907                         if (pos[i] == 0)
1908                                 break;
1909                         /* Bit rate given in 500 kb/s units (+ 0x80) */
1910                         iwe.u.bitrate.value = ((pos[i] & 0x7f) * 500000);
1911                         current_val = iwe_stream_add_value(
1912                                 info, current_ev, current_val, end_buf, &iwe,
1913                                 IW_EV_PARAM_LEN);
1914                 }
1915                 /* Check if we added any event */
1916                 if ((current_val - current_ev) > iwe_stream_lcp_len(info))
1917                         current_ev = current_val;
1918         }
1919
1920         /* TODO: add BeaconInt,resp_rate,atim into BSS table */
1921         buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_ATOMIC);
1922         if (buf && scan) {
1923                 memset(&iwe, 0, sizeof(iwe));
1924                 iwe.cmd = IWEVCUSTOM;
1925                 sprintf(buf, "bcn_int=%d", le16_to_cpu(scan->beacon_interval));
1926                 iwe.u.data.length = strlen(buf);
1927                 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1928                                                   &iwe, buf);
1929
1930                 memset(&iwe, 0, sizeof(iwe));
1931                 iwe.cmd = IWEVCUSTOM;
1932                 sprintf(buf, "resp_rate=%d", le16_to_cpu(scan->rate));
1933                 iwe.u.data.length = strlen(buf);
1934                 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1935                                                   &iwe, buf);
1936
1937                 if (local->last_scan_type == PRISM2_HOSTSCAN &&
1938                     (capabilities & WLAN_CAPABILITY_IBSS)) {
1939                         memset(&iwe, 0, sizeof(iwe));
1940                         iwe.cmd = IWEVCUSTOM;
1941                         sprintf(buf, "atim=%d", le16_to_cpu(scan->atim));
1942                         iwe.u.data.length = strlen(buf);
1943                         current_ev = iwe_stream_add_point(info, current_ev,
1944                                                           end_buf, &iwe, buf);
1945                 }
1946         }
1947         kfree(buf);
1948
1949         if (bss && bss->wpa_ie_len > 0 && bss->wpa_ie_len <= MAX_WPA_IE_LEN) {
1950                 memset(&iwe, 0, sizeof(iwe));
1951                 iwe.cmd = IWEVGENIE;
1952                 iwe.u.data.length = bss->wpa_ie_len;
1953                 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1954                                                   &iwe, bss->wpa_ie);
1955         }
1956
1957         if (bss && bss->rsn_ie_len > 0 && bss->rsn_ie_len <= MAX_WPA_IE_LEN) {
1958                 memset(&iwe, 0, sizeof(iwe));
1959                 iwe.cmd = IWEVGENIE;
1960                 iwe.u.data.length = bss->rsn_ie_len;
1961                 current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1962                                                   &iwe, bss->rsn_ie);
1963         }
1964
1965         return current_ev;
1966 }
1967
1968
1969 /* Translate scan data returned from the card to a card independent
1970  * format that the Wireless Tools will understand - Jean II */
1971 static inline int prism2_translate_scan(local_info_t *local,
1972                                         struct iw_request_info *info,
1973                                         char *buffer, int buflen)
1974 {
1975         struct hfa384x_hostscan_result *scan;
1976         int entry;
1977         char *current_ev = buffer;
1978         char *end_buf = buffer + buflen;
1979         struct list_head *ptr;
1980
1981         spin_lock_bh(&local->lock);
1982
1983         list_for_each(ptr, &local->bss_list) {
1984                 struct hostap_bss_info *bss;
1985                 bss = list_entry(ptr, struct hostap_bss_info, list);
1986                 bss->included = 0;
1987         }
1988
1989         for (entry = 0; entry < local->last_scan_results_count; entry++) {
1990                 int found = 0;
1991                 scan = &local->last_scan_results[entry];
1992
1993                 /* Report every SSID if the AP is using multiple SSIDs. If no
1994                  * BSS record is found (e.g., when WPA mode is disabled),
1995                  * report the AP once. */
1996                 list_for_each(ptr, &local->bss_list) {
1997                         struct hostap_bss_info *bss;
1998                         bss = list_entry(ptr, struct hostap_bss_info, list);
1999                         if (ether_addr_equal(bss->bssid, scan->bssid)) {
2000                                 bss->included = 1;
2001                                 current_ev = __prism2_translate_scan(
2002                                         local, info, scan, bss, current_ev,
2003                                         end_buf);
2004                                 found++;
2005                         }
2006                 }
2007                 if (!found) {
2008                         current_ev = __prism2_translate_scan(
2009                                 local, info, scan, NULL, current_ev, end_buf);
2010                 }
2011                 /* Check if there is space for one more entry */
2012                 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2013                         /* Ask user space to try again with a bigger buffer */
2014                         spin_unlock_bh(&local->lock);
2015                         return -E2BIG;
2016                 }
2017         }
2018
2019         /* Prism2 firmware has limits (32 at least in some versions) for number
2020          * of BSSes in scan results. Extend this limit by using local BSS list.
2021          */
2022         list_for_each(ptr, &local->bss_list) {
2023                 struct hostap_bss_info *bss;
2024                 bss = list_entry(ptr, struct hostap_bss_info, list);
2025                 if (bss->included)
2026                         continue;
2027                 current_ev = __prism2_translate_scan(local, info, NULL, bss,
2028                                                      current_ev, end_buf);
2029                 /* Check if there is space for one more entry */
2030                 if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2031                         /* Ask user space to try again with a bigger buffer */
2032                         spin_unlock_bh(&local->lock);
2033                         return -E2BIG;
2034                 }
2035         }
2036
2037         spin_unlock_bh(&local->lock);
2038
2039         return current_ev - buffer;
2040 }
2041 #endif /* PRISM2_NO_STATION_MODES */
2042
2043
2044 static inline int prism2_ioctl_giwscan_sta(struct net_device *dev,
2045                                            struct iw_request_info *info,
2046                                            struct iw_point *data, char *extra)
2047 {
2048 #ifdef PRISM2_NO_STATION_MODES
2049         return -EOPNOTSUPP;
2050 #else /* PRISM2_NO_STATION_MODES */
2051         struct hostap_interface *iface;
2052         local_info_t *local;
2053         int res;
2054
2055         iface = netdev_priv(dev);
2056         local = iface->local;
2057
2058         /* Wait until the scan is finished. We can probably do better
2059          * than that - Jean II */
2060         if (local->scan_timestamp &&
2061             time_before(jiffies, local->scan_timestamp + 3 * HZ)) {
2062                 /* Important note : we don't want to block the caller
2063                  * until results are ready for various reasons.
2064                  * First, managing wait queues is complex and racy
2065                  * (there may be multiple simultaneous callers).
2066                  * Second, we grab some rtnetlink lock before coming
2067                  * here (in dev_ioctl()).
2068                  * Third, the caller can wait on the Wireless Event
2069                  * - Jean II */
2070                 return -EAGAIN;
2071         }
2072         local->scan_timestamp = 0;
2073
2074         res = prism2_translate_scan(local, info, extra, data->length);
2075
2076         if (res >= 0) {
2077                 data->length = res;
2078                 return 0;
2079         } else {
2080                 data->length = 0;
2081                 return res;
2082         }
2083 #endif /* PRISM2_NO_STATION_MODES */
2084 }
2085
2086
2087 static int prism2_ioctl_giwscan(struct net_device *dev,
2088                                 struct iw_request_info *info,
2089                                 union iwreq_data *wrqu, char *extra)
2090 {
2091         struct iw_point *data = &wrqu->data;
2092         struct hostap_interface *iface;
2093         local_info_t *local;
2094         int res;
2095
2096         iface = netdev_priv(dev);
2097         local = iface->local;
2098
2099         if (local->iw_mode == IW_MODE_MASTER) {
2100                 /* In MASTER mode, it doesn't make sense to go around
2101                  * scanning the frequencies and make the stations we serve
2102                  * wait when what the user is really interested about is the
2103                  * list of stations and access points we are talking to.
2104                  * So, just extract results from our cache...
2105                  * Jean II */
2106
2107                 /* Translate to WE format */
2108                 res = prism2_ap_translate_scan(dev, info, extra);
2109                 if (res >= 0) {
2110                         printk(KERN_DEBUG "Scan result translation succeeded "
2111                                "(length=%d)\n", res);
2112                         data->length = res;
2113                         return 0;
2114                 } else {
2115                         printk(KERN_DEBUG
2116                                "Scan result translation failed (res=%d)\n",
2117                                res);
2118                         data->length = 0;
2119                         return res;
2120                 }
2121         } else {
2122                 /* Station mode */
2123                 return prism2_ioctl_giwscan_sta(dev, info, data, extra);
2124         }
2125 }
2126
2127
2128 static const struct iw_priv_args prism2_priv[] = {
2129         { PRISM2_IOCTL_MONITOR,
2130           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor" },
2131         { PRISM2_IOCTL_READMIF,
2132           IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
2133           IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "readmif" },
2134         { PRISM2_IOCTL_WRITEMIF,
2135           IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 2, 0, "writemif" },
2136         { PRISM2_IOCTL_RESET,
2137           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "reset" },
2138         { PRISM2_IOCTL_INQUIRE,
2139           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inquire" },
2140         { PRISM2_IOCTL_SET_RID_WORD,
2141           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_rid_word" },
2142         { PRISM2_IOCTL_MACCMD,
2143           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maccmd" },
2144         { PRISM2_IOCTL_WDS_ADD,
2145           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_add" },
2146         { PRISM2_IOCTL_WDS_DEL,
2147           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_del" },
2148         { PRISM2_IOCTL_ADDMAC,
2149           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "addmac" },
2150         { PRISM2_IOCTL_DELMAC,
2151           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "delmac" },
2152         { PRISM2_IOCTL_KICKMAC,
2153           IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac" },
2154         /* --- raw access to sub-ioctls --- */
2155         { PRISM2_IOCTL_PRISM2_PARAM,
2156           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "prism2_param" },
2157         { PRISM2_IOCTL_GET_PRISM2_PARAM,
2158           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2159           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprism2_param" },
2160         /* --- sub-ioctls handlers --- */
2161         { PRISM2_IOCTL_PRISM2_PARAM,
2162           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "" },
2163         { PRISM2_IOCTL_GET_PRISM2_PARAM,
2164           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "" },
2165         /* --- sub-ioctls definitions --- */
2166         { PRISM2_PARAM_TXRATECTRL,
2167           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txratectrl" },
2168         { PRISM2_PARAM_TXRATECTRL,
2169           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettxratectrl" },
2170         { PRISM2_PARAM_BEACON_INT,
2171           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "beacon_int" },
2172         { PRISM2_PARAM_BEACON_INT,
2173           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbeacon_int" },
2174 #ifndef PRISM2_NO_STATION_MODES
2175         { PRISM2_PARAM_PSEUDO_IBSS,
2176           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pseudo_ibss" },
2177         { PRISM2_PARAM_PSEUDO_IBSS,
2178           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getpseudo_ibss" },
2179 #endif /* PRISM2_NO_STATION_MODES */
2180         { PRISM2_PARAM_ALC,
2181           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "alc" },
2182         { PRISM2_PARAM_ALC,
2183           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getalc" },
2184         { PRISM2_PARAM_DUMP,
2185           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dump" },
2186         { PRISM2_PARAM_DUMP,
2187           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdump" },
2188         { PRISM2_PARAM_OTHER_AP_POLICY,
2189           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "other_ap_policy" },
2190         { PRISM2_PARAM_OTHER_AP_POLICY,
2191           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getother_ap_pol" },
2192         { PRISM2_PARAM_AP_MAX_INACTIVITY,
2193           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_inactivity" },
2194         { PRISM2_PARAM_AP_MAX_INACTIVITY,
2195           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_inactivi" },
2196         { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2197           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bridge_packets" },
2198         { PRISM2_PARAM_AP_BRIDGE_PACKETS,
2199           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbridge_packe" },
2200         { PRISM2_PARAM_DTIM_PERIOD,
2201           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dtim_period" },
2202         { PRISM2_PARAM_DTIM_PERIOD,
2203           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdtim_period" },
2204         { PRISM2_PARAM_AP_NULLFUNC_ACK,
2205           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "nullfunc_ack" },
2206         { PRISM2_PARAM_AP_NULLFUNC_ACK,
2207           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getnullfunc_ack" },
2208         { PRISM2_PARAM_MAX_WDS,
2209           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_wds" },
2210         { PRISM2_PARAM_MAX_WDS,
2211           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_wds" },
2212         { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2213           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "autom_ap_wds" },
2214         { PRISM2_PARAM_AP_AUTOM_AP_WDS,
2215           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getautom_ap_wds" },
2216         { PRISM2_PARAM_AP_AUTH_ALGS,
2217           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_auth_algs" },
2218         { PRISM2_PARAM_AP_AUTH_ALGS,
2219           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_auth_algs" },
2220         { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2221           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "allow_fcserr" },
2222         { PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2223           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getallow_fcserr" },
2224         { PRISM2_PARAM_HOST_ENCRYPT,
2225           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_encrypt" },
2226         { PRISM2_PARAM_HOST_ENCRYPT,
2227           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_encrypt" },
2228         { PRISM2_PARAM_HOST_DECRYPT,
2229           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_decrypt" },
2230         { PRISM2_PARAM_HOST_DECRYPT,
2231           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_decrypt" },
2232 #ifndef PRISM2_NO_STATION_MODES
2233         { PRISM2_PARAM_HOST_ROAMING,
2234           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_roaming" },
2235         { PRISM2_PARAM_HOST_ROAMING,
2236           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_roaming" },
2237 #endif /* PRISM2_NO_STATION_MODES */
2238         { PRISM2_PARAM_BCRX_STA_KEY,
2239           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bcrx_sta_key" },
2240         { PRISM2_PARAM_BCRX_STA_KEY,
2241           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbcrx_sta_key" },
2242         { PRISM2_PARAM_IEEE_802_1X,
2243           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ieee_802_1x" },
2244         { PRISM2_PARAM_IEEE_802_1X,
2245           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getieee_802_1x" },
2246         { PRISM2_PARAM_ANTSEL_TX,
2247           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_tx" },
2248         { PRISM2_PARAM_ANTSEL_TX,
2249           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_tx" },
2250         { PRISM2_PARAM_ANTSEL_RX,
2251           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_rx" },
2252         { PRISM2_PARAM_ANTSEL_RX,
2253           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_rx" },
2254         { PRISM2_PARAM_MONITOR_TYPE,
2255           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor_type" },
2256         { PRISM2_PARAM_MONITOR_TYPE,
2257           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmonitor_type" },
2258         { PRISM2_PARAM_WDS_TYPE,
2259           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wds_type" },
2260         { PRISM2_PARAM_WDS_TYPE,
2261           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwds_type" },
2262         { PRISM2_PARAM_HOSTSCAN,
2263           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostscan" },
2264         { PRISM2_PARAM_HOSTSCAN,
2265           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostscan" },
2266         { PRISM2_PARAM_AP_SCAN,
2267           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_scan" },
2268         { PRISM2_PARAM_AP_SCAN,
2269           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_scan" },
2270         { PRISM2_PARAM_ENH_SEC,
2271           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "enh_sec" },
2272         { PRISM2_PARAM_ENH_SEC,
2273           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getenh_sec" },
2274 #ifdef PRISM2_IO_DEBUG
2275         { PRISM2_PARAM_IO_DEBUG,
2276           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "io_debug" },
2277         { PRISM2_PARAM_IO_DEBUG,
2278           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getio_debug" },
2279 #endif /* PRISM2_IO_DEBUG */
2280         { PRISM2_PARAM_BASIC_RATES,
2281           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "basic_rates" },
2282         { PRISM2_PARAM_BASIC_RATES,
2283           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbasic_rates" },
2284         { PRISM2_PARAM_OPER_RATES,
2285           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "oper_rates" },
2286         { PRISM2_PARAM_OPER_RATES,
2287           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getoper_rates" },
2288         { PRISM2_PARAM_HOSTAPD,
2289           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd" },
2290         { PRISM2_PARAM_HOSTAPD,
2291           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd" },
2292         { PRISM2_PARAM_HOSTAPD_STA,
2293           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd_sta" },
2294         { PRISM2_PARAM_HOSTAPD_STA,
2295           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd_sta" },
2296         { PRISM2_PARAM_WPA,
2297           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wpa" },
2298         { PRISM2_PARAM_WPA,
2299           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwpa" },
2300         { PRISM2_PARAM_PRIVACY_INVOKED,
2301           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "privacy_invoked" },
2302         { PRISM2_PARAM_PRIVACY_INVOKED,
2303           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprivacy_invo" },
2304         { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2305           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "tkip_countermea" },
2306         { PRISM2_PARAM_TKIP_COUNTERMEASURES,
2307           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettkip_counter" },
2308         { PRISM2_PARAM_DROP_UNENCRYPTED,
2309           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "drop_unencrypte" },
2310         { PRISM2_PARAM_DROP_UNENCRYPTED,
2311           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdrop_unencry" },
2312         { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2313           IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "scan_channels" },
2314         { PRISM2_PARAM_SCAN_CHANNEL_MASK,
2315           0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getscan_channel" },
2316 };
2317
2318
2319 static int prism2_ioctl_priv_prism2_param(struct net_device *dev,
2320                                           struct iw_request_info *info,
2321                                           union iwreq_data *uwrq, char *extra)
2322 {
2323         struct hostap_interface *iface;
2324         local_info_t *local;
2325         int *i = (int *) extra;
2326         int param = *i;
2327         int value = *(i + 1);
2328         int ret = 0;
2329         u16 val;
2330
2331         iface = netdev_priv(dev);
2332         local = iface->local;
2333
2334         switch (param) {
2335         case PRISM2_PARAM_TXRATECTRL:
2336                 local->fw_tx_rate_control = value;
2337                 break;
2338
2339         case PRISM2_PARAM_BEACON_INT:
2340                 if (hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, value) ||
2341                     local->func->reset_port(dev))
2342                         ret = -EINVAL;
2343                 else
2344                         local->beacon_int = value;
2345                 break;
2346
2347 #ifndef PRISM2_NO_STATION_MODES
2348         case PRISM2_PARAM_PSEUDO_IBSS:
2349                 if (value == local->pseudo_adhoc)
2350                         break;
2351
2352                 if (value != 0 && value != 1) {
2353                         ret = -EINVAL;
2354                         break;
2355                 }
2356
2357                 printk(KERN_DEBUG "prism2: %s: pseudo IBSS change %d -> %d\n",
2358                        dev->name, local->pseudo_adhoc, value);
2359                 local->pseudo_adhoc = value;
2360                 if (local->iw_mode != IW_MODE_ADHOC)
2361                         break;
2362
2363                 if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2364                                     hostap_get_porttype(local))) {
2365                         ret = -EOPNOTSUPP;
2366                         break;
2367                 }
2368
2369                 if (local->func->reset_port(dev))
2370                         ret = -EINVAL;
2371                 break;
2372 #endif /* PRISM2_NO_STATION_MODES */
2373
2374         case PRISM2_PARAM_ALC:
2375                 printk(KERN_DEBUG "%s: %s ALC\n", dev->name,
2376                        value == 0 ? "Disabling" : "Enabling");
2377                 val = HFA384X_TEST_CFG_BIT_ALC;
2378                 local->func->cmd(dev, HFA384X_CMDCODE_TEST |
2379                                  (HFA384X_TEST_CFG_BITS << 8),
2380                                  value == 0 ? 0 : 1, &val, NULL);
2381                 break;
2382
2383         case PRISM2_PARAM_DUMP:
2384                 local->frame_dump = value;
2385                 break;
2386
2387         case PRISM2_PARAM_OTHER_AP_POLICY:
2388                 if (value < 0 || value > 3) {
2389                         ret = -EINVAL;
2390                         break;
2391                 }
2392                 if (local->ap != NULL)
2393                         local->ap->ap_policy = value;
2394                 break;
2395
2396         case PRISM2_PARAM_AP_MAX_INACTIVITY:
2397                 if (value < 0 || value > 7 * 24 * 60 * 60) {
2398                         ret = -EINVAL;
2399                         break;
2400                 }
2401                 if (local->ap != NULL)
2402                         local->ap->max_inactivity = value * HZ;
2403                 break;
2404
2405         case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2406                 if (local->ap != NULL)
2407                         local->ap->bridge_packets = value;
2408                 break;
2409
2410         case PRISM2_PARAM_DTIM_PERIOD:
2411                 if (value < 0 || value > 65535) {
2412                         ret = -EINVAL;
2413                         break;
2414                 }
2415                 if (hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, value)
2416                     || local->func->reset_port(dev))
2417                         ret = -EINVAL;
2418                 else
2419                         local->dtim_period = value;
2420                 break;
2421
2422         case PRISM2_PARAM_AP_NULLFUNC_ACK:
2423                 if (local->ap != NULL)
2424                         local->ap->nullfunc_ack = value;
2425                 break;
2426
2427         case PRISM2_PARAM_MAX_WDS:
2428                 local->wds_max_connections = value;
2429                 break;
2430
2431         case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2432                 if (local->ap != NULL) {
2433                         if (!local->ap->autom_ap_wds && value) {
2434                                 /* add WDS link to all APs in STA table */
2435                                 hostap_add_wds_links(local);
2436                         }
2437                         local->ap->autom_ap_wds = value;
2438                 }
2439                 break;
2440
2441         case PRISM2_PARAM_AP_AUTH_ALGS:
2442                 local->auth_algs = value;
2443                 if (hostap_set_auth_algs(local))
2444                         ret = -EINVAL;
2445                 break;
2446
2447         case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2448                 local->monitor_allow_fcserr = value;
2449                 break;
2450
2451         case PRISM2_PARAM_HOST_ENCRYPT:
2452                 local->host_encrypt = value;
2453                 if (hostap_set_encryption(local) ||
2454                     local->func->reset_port(dev))
2455                         ret = -EINVAL;
2456                 break;
2457
2458         case PRISM2_PARAM_HOST_DECRYPT:
2459                 local->host_decrypt = value;
2460                 if (hostap_set_encryption(local) ||
2461                     local->func->reset_port(dev))
2462                         ret = -EINVAL;
2463                 break;
2464
2465 #ifndef PRISM2_NO_STATION_MODES
2466         case PRISM2_PARAM_HOST_ROAMING:
2467                 if (value < 0 || value > 2) {
2468                         ret = -EINVAL;
2469                         break;
2470                 }
2471                 local->host_roaming = value;
2472                 if (hostap_set_roaming(local) || local->func->reset_port(dev))
2473                         ret = -EINVAL;
2474                 break;
2475 #endif /* PRISM2_NO_STATION_MODES */
2476
2477         case PRISM2_PARAM_BCRX_STA_KEY:
2478                 local->bcrx_sta_key = value;
2479                 break;
2480
2481         case PRISM2_PARAM_IEEE_802_1X:
2482                 local->ieee_802_1x = value;
2483                 break;
2484
2485         case PRISM2_PARAM_ANTSEL_TX:
2486                 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2487                         ret = -EINVAL;
2488                         break;
2489                 }
2490                 local->antsel_tx = value;
2491                 hostap_set_antsel(local);
2492                 break;
2493
2494         case PRISM2_PARAM_ANTSEL_RX:
2495                 if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2496                         ret = -EINVAL;
2497                         break;
2498                 }
2499                 local->antsel_rx = value;
2500                 hostap_set_antsel(local);
2501                 break;
2502
2503         case PRISM2_PARAM_MONITOR_TYPE:
2504                 if (value != PRISM2_MONITOR_80211 &&
2505                     value != PRISM2_MONITOR_CAPHDR &&
2506                     value != PRISM2_MONITOR_PRISM &&
2507                     value != PRISM2_MONITOR_RADIOTAP) {
2508                         ret = -EINVAL;
2509                         break;
2510                 }
2511                 local->monitor_type = value;
2512                 if (local->iw_mode == IW_MODE_MONITOR)
2513                         hostap_monitor_set_type(local);
2514                 break;
2515
2516         case PRISM2_PARAM_WDS_TYPE:
2517                 local->wds_type = value;
2518                 break;
2519
2520         case PRISM2_PARAM_HOSTSCAN:
2521         {
2522                 struct hfa384x_hostscan_request scan_req;
2523                 u16 rate;
2524
2525                 memset(&scan_req, 0, sizeof(scan_req));
2526                 scan_req.channel_list = cpu_to_le16(0x3fff);
2527                 switch (value) {
2528                 case 1: rate = HFA384X_RATES_1MBPS; break;
2529                 case 2: rate = HFA384X_RATES_2MBPS; break;
2530                 case 3: rate = HFA384X_RATES_5MBPS; break;
2531                 case 4: rate = HFA384X_RATES_11MBPS; break;
2532                 default: rate = HFA384X_RATES_1MBPS; break;
2533                 }
2534                 scan_req.txrate = cpu_to_le16(rate);
2535                 /* leave SSID empty to accept all SSIDs */
2536
2537                 if (local->iw_mode == IW_MODE_MASTER) {
2538                         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2539                                             HFA384X_PORTTYPE_BSS) ||
2540                             local->func->reset_port(dev))
2541                                 printk(KERN_DEBUG "Leaving Host AP mode "
2542                                        "for HostScan failed\n");
2543                 }
2544
2545                 if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
2546                                          sizeof(scan_req))) {
2547                         printk(KERN_DEBUG "HOSTSCAN failed\n");
2548                         ret = -EINVAL;
2549                 }
2550                 if (local->iw_mode == IW_MODE_MASTER) {
2551                         wait_queue_entry_t __wait;
2552                         init_waitqueue_entry(&__wait, current);
2553                         add_wait_queue(&local->hostscan_wq, &__wait);
2554                         set_current_state(TASK_INTERRUPTIBLE);
2555                         schedule_timeout(HZ);
2556                         if (signal_pending(current))
2557                                 ret = -EINTR;
2558                         set_current_state(TASK_RUNNING);
2559                         remove_wait_queue(&local->hostscan_wq, &__wait);
2560
2561                         if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2562                                             HFA384X_PORTTYPE_HOSTAP) ||
2563                             local->func->reset_port(dev))
2564                                 printk(KERN_DEBUG "Returning to Host AP mode "
2565                                        "after HostScan failed\n");
2566                 }
2567                 break;
2568         }
2569
2570         case PRISM2_PARAM_AP_SCAN:
2571                 local->passive_scan_interval = value;
2572                 if (timer_pending(&local->passive_scan_timer))
2573                         del_timer(&local->passive_scan_timer);
2574                 if (value > 0 && value < INT_MAX / HZ) {
2575                         local->passive_scan_timer.expires = jiffies +
2576                                 local->passive_scan_interval * HZ;
2577                         add_timer(&local->passive_scan_timer);
2578                 }
2579                 break;
2580
2581         case PRISM2_PARAM_ENH_SEC:
2582                 if (value < 0 || value > 3) {
2583                         ret = -EINVAL;
2584                         break;
2585                 }
2586                 local->enh_sec = value;
2587                 if (hostap_set_word(dev, HFA384X_RID_CNFENHSECURITY,
2588                                     local->enh_sec) ||
2589                     local->func->reset_port(dev)) {
2590                         printk(KERN_INFO "%s: cnfEnhSecurity requires STA f/w "
2591                                "1.6.3 or newer\n", dev->name);
2592                         ret = -EOPNOTSUPP;
2593                 }
2594                 break;
2595
2596 #ifdef PRISM2_IO_DEBUG
2597         case PRISM2_PARAM_IO_DEBUG:
2598                 local->io_debug_enabled = value;
2599                 break;
2600 #endif /* PRISM2_IO_DEBUG */
2601
2602         case PRISM2_PARAM_BASIC_RATES:
2603                 if ((value & local->tx_rate_control) != value || value == 0) {
2604                         printk(KERN_INFO "%s: invalid basic rate set - basic "
2605                                "rates must be in supported rate set\n",
2606                                dev->name);
2607                         ret = -EINVAL;
2608                         break;
2609                 }
2610                 local->basic_rates = value;
2611                 if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
2612                                     local->basic_rates) ||
2613                     local->func->reset_port(dev))
2614                         ret = -EINVAL;
2615                 break;
2616
2617         case PRISM2_PARAM_OPER_RATES:
2618                 local->tx_rate_control = value;
2619                 if (hostap_set_rate(dev))
2620                         ret = -EINVAL;
2621                 break;
2622
2623         case PRISM2_PARAM_HOSTAPD:
2624                 ret = hostap_set_hostapd(local, value, 1);
2625                 break;
2626
2627         case PRISM2_PARAM_HOSTAPD_STA:
2628                 ret = hostap_set_hostapd_sta(local, value, 1);
2629                 break;
2630
2631         case PRISM2_PARAM_WPA:
2632                 local->wpa = value;
2633                 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2634                         ret = -EOPNOTSUPP;
2635                 else if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
2636                                          value ? 1 : 0))
2637                         ret = -EINVAL;
2638                 break;
2639
2640         case PRISM2_PARAM_PRIVACY_INVOKED:
2641                 local->privacy_invoked = value;
2642                 if (hostap_set_encryption(local) ||
2643                     local->func->reset_port(dev))
2644                         ret = -EINVAL;
2645                 break;
2646
2647         case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2648                 local->tkip_countermeasures = value;
2649                 break;
2650
2651         case PRISM2_PARAM_DROP_UNENCRYPTED:
2652                 local->drop_unencrypted = value;
2653                 break;
2654
2655         case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2656                 local->scan_channel_mask = value;
2657                 break;
2658
2659         default:
2660                 printk(KERN_DEBUG "%s: prism2_param: unknown param %d\n",
2661                        dev->name, param);
2662                 ret = -EOPNOTSUPP;
2663                 break;
2664         }
2665
2666         return ret;
2667 }
2668
2669
2670 static int prism2_ioctl_priv_get_prism2_param(struct net_device *dev,
2671                                               struct iw_request_info *info,
2672                                               union iwreq_data *wrqu, char *extra)
2673 {
2674         struct hostap_interface *iface;
2675         local_info_t *local;
2676         int *param = (int *) extra;
2677         int ret = 0;
2678
2679         iface = netdev_priv(dev);
2680         local = iface->local;
2681
2682         switch (*param) {
2683         case PRISM2_PARAM_TXRATECTRL:
2684                 *param = local->fw_tx_rate_control;
2685                 break;
2686
2687         case PRISM2_PARAM_BEACON_INT:
2688                 *param = local->beacon_int;
2689                 break;
2690
2691         case PRISM2_PARAM_PSEUDO_IBSS:
2692                 *param = local->pseudo_adhoc;
2693                 break;
2694
2695         case PRISM2_PARAM_ALC:
2696                 ret = -EOPNOTSUPP; /* FIX */
2697                 break;
2698
2699         case PRISM2_PARAM_DUMP:
2700                 *param = local->frame_dump;
2701                 break;
2702
2703         case PRISM2_PARAM_OTHER_AP_POLICY:
2704                 if (local->ap != NULL)
2705                         *param = local->ap->ap_policy;
2706                 else
2707                         ret = -EOPNOTSUPP;
2708                 break;
2709
2710         case PRISM2_PARAM_AP_MAX_INACTIVITY:
2711                 if (local->ap != NULL)
2712                         *param = local->ap->max_inactivity / HZ;
2713                 else
2714                         ret = -EOPNOTSUPP;
2715                 break;
2716
2717         case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2718                 if (local->ap != NULL)
2719                         *param = local->ap->bridge_packets;
2720                 else
2721                         ret = -EOPNOTSUPP;
2722                 break;
2723
2724         case PRISM2_PARAM_DTIM_PERIOD:
2725                 *param = local->dtim_period;
2726                 break;
2727
2728         case PRISM2_PARAM_AP_NULLFUNC_ACK:
2729                 if (local->ap != NULL)
2730                         *param = local->ap->nullfunc_ack;
2731                 else
2732                         ret = -EOPNOTSUPP;
2733                 break;
2734
2735         case PRISM2_PARAM_MAX_WDS:
2736                 *param = local->wds_max_connections;
2737                 break;
2738
2739         case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2740                 if (local->ap != NULL)
2741                         *param = local->ap->autom_ap_wds;
2742                 else
2743                         ret = -EOPNOTSUPP;
2744                 break;
2745
2746         case PRISM2_PARAM_AP_AUTH_ALGS:
2747                 *param = local->auth_algs;
2748                 break;
2749
2750         case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2751                 *param = local->monitor_allow_fcserr;
2752                 break;
2753
2754         case PRISM2_PARAM_HOST_ENCRYPT:
2755                 *param = local->host_encrypt;
2756                 break;
2757
2758         case PRISM2_PARAM_HOST_DECRYPT:
2759                 *param = local->host_decrypt;
2760                 break;
2761
2762         case PRISM2_PARAM_HOST_ROAMING:
2763                 *param = local->host_roaming;
2764                 break;
2765
2766         case PRISM2_PARAM_BCRX_STA_KEY:
2767                 *param = local->bcrx_sta_key;
2768                 break;
2769
2770         case PRISM2_PARAM_IEEE_802_1X:
2771                 *param = local->ieee_802_1x;
2772                 break;
2773
2774         case PRISM2_PARAM_ANTSEL_TX:
2775                 *param = local->antsel_tx;
2776                 break;
2777
2778         case PRISM2_PARAM_ANTSEL_RX:
2779                 *param = local->antsel_rx;
2780                 break;
2781
2782         case PRISM2_PARAM_MONITOR_TYPE:
2783                 *param = local->monitor_type;
2784                 break;
2785
2786         case PRISM2_PARAM_WDS_TYPE:
2787                 *param = local->wds_type;
2788                 break;
2789
2790         case PRISM2_PARAM_HOSTSCAN:
2791                 ret = -EOPNOTSUPP;
2792                 break;
2793
2794         case PRISM2_PARAM_AP_SCAN:
2795                 *param = local->passive_scan_interval;
2796                 break;
2797
2798         case PRISM2_PARAM_ENH_SEC:
2799                 *param = local->enh_sec;
2800                 break;
2801
2802 #ifdef PRISM2_IO_DEBUG
2803         case PRISM2_PARAM_IO_DEBUG:
2804                 *param = local->io_debug_enabled;
2805                 break;
2806 #endif /* PRISM2_IO_DEBUG */
2807
2808         case PRISM2_PARAM_BASIC_RATES:
2809                 *param = local->basic_rates;
2810                 break;
2811
2812         case PRISM2_PARAM_OPER_RATES:
2813                 *param = local->tx_rate_control;
2814                 break;
2815
2816         case PRISM2_PARAM_HOSTAPD:
2817                 *param = local->hostapd;
2818                 break;
2819
2820         case PRISM2_PARAM_HOSTAPD_STA:
2821                 *param = local->hostapd_sta;
2822                 break;
2823
2824         case PRISM2_PARAM_WPA:
2825                 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2826                         ret = -EOPNOTSUPP;
2827                 *param = local->wpa;
2828                 break;
2829
2830         case PRISM2_PARAM_PRIVACY_INVOKED:
2831                 *param = local->privacy_invoked;
2832                 break;
2833
2834         case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2835                 *param = local->tkip_countermeasures;
2836                 break;
2837
2838         case PRISM2_PARAM_DROP_UNENCRYPTED:
2839                 *param = local->drop_unencrypted;
2840                 break;
2841
2842         case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2843                 *param = local->scan_channel_mask;
2844                 break;
2845
2846         default:
2847                 printk(KERN_DEBUG "%s: get_prism2_param: unknown param %d\n",
2848                        dev->name, *param);
2849                 ret = -EOPNOTSUPP;
2850                 break;
2851         }
2852
2853         return ret;
2854 }
2855
2856
2857 static int prism2_ioctl_priv_readmif(struct net_device *dev,
2858                                      struct iw_request_info *info,
2859                                      union iwreq_data *wrqu, char *extra)
2860 {
2861         struct hostap_interface *iface;
2862         local_info_t *local;
2863         u16 resp0;
2864
2865         iface = netdev_priv(dev);
2866         local = iface->local;
2867
2868         if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF, *extra, NULL,
2869                              &resp0))
2870                 return -EOPNOTSUPP;
2871         else
2872                 *extra = resp0;
2873
2874         return 0;
2875 }
2876
2877
2878 static int prism2_ioctl_priv_writemif(struct net_device *dev,
2879                                       struct iw_request_info *info,
2880                                       union iwreq_data *wrqu, char *extra)
2881 {
2882         struct hostap_interface *iface;
2883         local_info_t *local;
2884         u16 cr, val;
2885
2886         iface = netdev_priv(dev);
2887         local = iface->local;
2888
2889         cr = *extra;
2890         val = *(extra + 1);
2891         if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, cr, &val, NULL))
2892                 return -EOPNOTSUPP;
2893
2894         return 0;
2895 }
2896
2897
2898 #ifdef PRISM2_DOWNLOAD_SUPPORT
2899 static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p)
2900 {
2901         struct prism2_download_param *param;
2902         int ret = 0;
2903
2904         if (p->length < sizeof(struct prism2_download_param) ||
2905             p->length > 1024 || !p->pointer)
2906                 return -EINVAL;
2907
2908         param = memdup_user(p->pointer, p->length);
2909         if (IS_ERR(param)) {
2910                 return PTR_ERR(param);
2911         }
2912
2913         if (p->length < sizeof(struct prism2_download_param) +
2914             param->num_areas * sizeof(struct prism2_download_area)) {
2915                 ret = -EINVAL;
2916                 goto out;
2917         }
2918
2919         ret = local->func->download(local, param);
2920
2921  out:
2922         kfree(param);
2923         return ret;
2924 }
2925 #endif /* PRISM2_DOWNLOAD_SUPPORT */
2926
2927
2928 static int prism2_set_genericelement(struct net_device *dev, u8 *elem,
2929                                      size_t len)
2930 {
2931         struct hostap_interface *iface = netdev_priv(dev);
2932         local_info_t *local = iface->local;
2933         u8 *buf;
2934
2935         /*
2936          * Add 16-bit length in the beginning of the buffer because Prism2 RID
2937          * includes it.
2938          */
2939         buf = kmalloc(len + 2, GFP_KERNEL);
2940         if (buf == NULL)
2941                 return -ENOMEM;
2942
2943         *((__le16 *) buf) = cpu_to_le16(len);
2944         memcpy(buf + 2, elem, len);
2945
2946         kfree(local->generic_elem);
2947         local->generic_elem = buf;
2948         local->generic_elem_len = len + 2;
2949
2950         return local->func->set_rid(local->dev, HFA384X_RID_GENERICELEMENT,
2951                                     buf, len + 2);
2952 }
2953
2954
2955 static int prism2_ioctl_siwauth(struct net_device *dev,
2956                                 struct iw_request_info *info,
2957                                 union iwreq_data *wrqu, char *extra)
2958 {
2959         struct iw_param *data = &wrqu->param;
2960         struct hostap_interface *iface = netdev_priv(dev);
2961         local_info_t *local = iface->local;
2962
2963         switch (data->flags & IW_AUTH_INDEX) {
2964         case IW_AUTH_WPA_VERSION:
2965         case IW_AUTH_CIPHER_PAIRWISE:
2966         case IW_AUTH_CIPHER_GROUP:
2967         case IW_AUTH_KEY_MGMT:
2968                 /*
2969                  * Host AP driver does not use these parameters and allows
2970                  * wpa_supplicant to control them internally.
2971                  */
2972                 break;
2973         case IW_AUTH_TKIP_COUNTERMEASURES:
2974                 local->tkip_countermeasures = data->value;
2975                 break;
2976         case IW_AUTH_DROP_UNENCRYPTED:
2977                 local->drop_unencrypted = data->value;
2978                 break;
2979         case IW_AUTH_80211_AUTH_ALG:
2980                 local->auth_algs = data->value;
2981                 break;
2982         case IW_AUTH_WPA_ENABLED:
2983                 if (data->value == 0) {
2984                         local->wpa = 0;
2985                         if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2986                                 break;
2987                         prism2_set_genericelement(dev, "", 0);
2988                         local->host_roaming = 0;
2989                         local->privacy_invoked = 0;
2990                         if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
2991                                             0) ||
2992                             hostap_set_roaming(local) ||
2993                             hostap_set_encryption(local) ||
2994                             local->func->reset_port(dev))
2995                                 return -EINVAL;
2996                         break;
2997                 }
2998                 if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2999                         return -EOPNOTSUPP;
3000                 local->host_roaming = 2;
3001                 local->privacy_invoked = 1;
3002                 local->wpa = 1;
3003                 if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, 1) ||
3004                     hostap_set_roaming(local) ||
3005                     hostap_set_encryption(local) ||
3006                     local->func->reset_port(dev))
3007                         return -EINVAL;
3008                 break;
3009         case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3010                 local->ieee_802_1x = data->value;
3011                 break;
3012         case IW_AUTH_PRIVACY_INVOKED:
3013                 local->privacy_invoked = data->value;
3014                 break;
3015         default:
3016                 return -EOPNOTSUPP;
3017         }
3018         return 0;
3019 }
3020
3021
3022 static int prism2_ioctl_giwauth(struct net_device *dev,
3023                                 struct iw_request_info *info,
3024                                 union iwreq_data *wrqu, char *extra)
3025 {
3026         struct iw_param *data = &wrqu->param;
3027         struct hostap_interface *iface = netdev_priv(dev);
3028         local_info_t *local = iface->local;
3029
3030         switch (data->flags & IW_AUTH_INDEX) {
3031         case IW_AUTH_WPA_VERSION:
3032         case IW_AUTH_CIPHER_PAIRWISE:
3033         case IW_AUTH_CIPHER_GROUP:
3034         case IW_AUTH_KEY_MGMT:
3035                 /*
3036                  * Host AP driver does not use these parameters and allows
3037                  * wpa_supplicant to control them internally.
3038                  */
3039                 return -EOPNOTSUPP;
3040         case IW_AUTH_TKIP_COUNTERMEASURES:
3041                 data->value = local->tkip_countermeasures;
3042                 break;
3043         case IW_AUTH_DROP_UNENCRYPTED:
3044                 data->value = local->drop_unencrypted;
3045                 break;
3046         case IW_AUTH_80211_AUTH_ALG:
3047                 data->value = local->auth_algs;
3048                 break;
3049         case IW_AUTH_WPA_ENABLED:
3050                 data->value = local->wpa;
3051                 break;
3052         case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3053                 data->value = local->ieee_802_1x;
3054                 break;
3055         default:
3056                 return -EOPNOTSUPP;
3057         }
3058         return 0;
3059 }
3060
3061
3062 static int prism2_ioctl_siwencodeext(struct net_device *dev,
3063                                      struct iw_request_info *info,
3064                                      union iwreq_data *wrqu, char *extra)
3065 {
3066         struct iw_point *erq = &wrqu->encoding;
3067         struct hostap_interface *iface = netdev_priv(dev);
3068         local_info_t *local = iface->local;
3069         struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3070         int i, ret = 0;
3071         struct lib80211_crypto_ops *ops;
3072         struct lib80211_crypt_data **crypt;
3073         void *sta_ptr;
3074         u8 *addr;
3075         const char *alg, *module;
3076
3077         i = erq->flags & IW_ENCODE_INDEX;
3078         if (i > WEP_KEYS)
3079                 return -EINVAL;
3080         if (i < 1 || i > WEP_KEYS)
3081                 i = local->crypt_info.tx_keyidx;
3082         else
3083                 i--;
3084         if (i < 0 || i >= WEP_KEYS)
3085                 return -EINVAL;
3086
3087         addr = ext->addr.sa_data;
3088         if (is_broadcast_ether_addr(addr)) {
3089                 sta_ptr = NULL;
3090                 crypt = &local->crypt_info.crypt[i];
3091         } else {
3092                 if (i != 0)
3093                         return -EINVAL;
3094                 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3095                 if (sta_ptr == NULL) {
3096                         if (local->iw_mode == IW_MODE_INFRA) {
3097                                 /*
3098                                  * TODO: add STA entry for the current AP so
3099                                  * that unicast key can be used. For now, this
3100                                  * is emulated by using default key idx 0.
3101                                  */
3102                                 i = 0;
3103                                 crypt = &local->crypt_info.crypt[i];
3104                         } else
3105                                 return -EINVAL;
3106                 }
3107         }
3108
3109         if ((erq->flags & IW_ENCODE_DISABLED) ||
3110             ext->alg == IW_ENCODE_ALG_NONE) {
3111                 if (*crypt)
3112                         lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3113                 goto done;
3114         }
3115
3116         switch (ext->alg) {
3117         case IW_ENCODE_ALG_WEP:
3118                 alg = "WEP";
3119                 module = "lib80211_crypt_wep";
3120                 break;
3121         case IW_ENCODE_ALG_TKIP:
3122                 alg = "TKIP";
3123                 module = "lib80211_crypt_tkip";
3124                 break;
3125         case IW_ENCODE_ALG_CCMP:
3126                 alg = "CCMP";
3127                 module = "lib80211_crypt_ccmp";
3128                 break;
3129         default:
3130                 printk(KERN_DEBUG "%s: unsupported algorithm %d\n",
3131                        local->dev->name, ext->alg);
3132                 ret = -EOPNOTSUPP;
3133                 goto done;
3134         }
3135
3136         ops = lib80211_get_crypto_ops(alg);
3137         if (ops == NULL) {
3138                 request_module(module);
3139                 ops = lib80211_get_crypto_ops(alg);
3140         }
3141         if (ops == NULL) {
3142                 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3143                        local->dev->name, alg);
3144                 ret = -EOPNOTSUPP;
3145                 goto done;
3146         }
3147
3148         if (sta_ptr || ext->alg != IW_ENCODE_ALG_WEP) {
3149                 /*
3150                  * Per station encryption and other than WEP algorithms
3151                  * require host-based encryption, so force them on
3152                  * automatically.
3153                  */
3154                 local->host_decrypt = local->host_encrypt = 1;
3155         }
3156
3157         if (*crypt == NULL || (*crypt)->ops != ops) {
3158                 struct lib80211_crypt_data *new_crypt;
3159
3160                 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3161
3162                 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
3163                                 GFP_KERNEL);
3164                 if (new_crypt == NULL) {
3165                         ret = -ENOMEM;
3166                         goto done;
3167                 }
3168                 new_crypt->ops = ops;
3169                 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
3170                         new_crypt->priv = new_crypt->ops->init(i);
3171                 if (new_crypt->priv == NULL) {
3172                         kfree(new_crypt);
3173                         ret = -EINVAL;
3174                         goto done;
3175                 }
3176
3177                 *crypt = new_crypt;
3178         }
3179
3180         /*
3181          * TODO: if ext_flags does not have IW_ENCODE_EXT_RX_SEQ_VALID, the
3182          * existing seq# should not be changed.
3183          * TODO: if ext_flags has IW_ENCODE_EXT_TX_SEQ_VALID, next TX seq#
3184          * should be changed to something else than zero.
3185          */
3186         if ((!(ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) || ext->key_len > 0)
3187             && (*crypt)->ops->set_key &&
3188             (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
3189                                    (*crypt)->priv) < 0) {
3190                 printk(KERN_DEBUG "%s: key setting failed\n",
3191                        local->dev->name);
3192                 ret = -EINVAL;
3193                 goto done;
3194         }
3195
3196         if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
3197                 if (!sta_ptr)
3198                         local->crypt_info.tx_keyidx = i;
3199         }
3200
3201
3202         if (sta_ptr == NULL && ext->key_len > 0) {
3203                 int first = 1, j;
3204                 for (j = 0; j < WEP_KEYS; j++) {
3205                         if (j != i && local->crypt_info.crypt[j]) {
3206                                 first = 0;
3207                                 break;
3208                         }
3209                 }
3210                 if (first)
3211                         local->crypt_info.tx_keyidx = i;
3212         }
3213
3214  done:
3215         if (sta_ptr)
3216                 hostap_handle_sta_release(sta_ptr);
3217
3218         local->open_wep = erq->flags & IW_ENCODE_OPEN;
3219
3220         /*
3221          * Do not reset port0 if card is in Managed mode since resetting will
3222          * generate new IEEE 802.11 authentication which may end up in looping
3223          * with IEEE 802.1X. Prism2 documentation seem to require port reset
3224          * after WEP configuration. However, keys are apparently changed at
3225          * least in Managed mode.
3226          */
3227         if (ret == 0 &&
3228             (hostap_set_encryption(local) ||
3229              (local->iw_mode != IW_MODE_INFRA &&
3230               local->func->reset_port(local->dev))))
3231                 ret = -EINVAL;
3232
3233         return ret;
3234 }
3235
3236
3237 static int prism2_ioctl_giwencodeext(struct net_device *dev,
3238                                      struct iw_request_info *info,
3239                                      union iwreq_data *wrqu, char *extra)
3240 {
3241         struct iw_point *erq = &wrqu->encoding;
3242         struct hostap_interface *iface = netdev_priv(dev);
3243         local_info_t *local = iface->local;
3244         struct lib80211_crypt_data **crypt;
3245         void *sta_ptr;
3246         int max_key_len, i;
3247         struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3248         u8 *addr;
3249
3250         max_key_len = erq->length - sizeof(*ext);
3251         if (max_key_len < 0)
3252                 return -EINVAL;
3253
3254         i = erq->flags & IW_ENCODE_INDEX;
3255         if (i < 1 || i > WEP_KEYS)
3256                 i = local->crypt_info.tx_keyidx;
3257         else
3258                 i--;
3259
3260         addr = ext->addr.sa_data;
3261         if (is_broadcast_ether_addr(addr)) {
3262                 sta_ptr = NULL;
3263                 crypt = &local->crypt_info.crypt[i];
3264         } else {
3265                 i = 0;
3266                 sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3267                 if (sta_ptr == NULL)
3268                         return -EINVAL;
3269         }
3270         erq->flags = i + 1;
3271         memset(ext, 0, sizeof(*ext));
3272
3273         if (*crypt == NULL || (*crypt)->ops == NULL) {
3274                 ext->alg = IW_ENCODE_ALG_NONE;
3275                 ext->key_len = 0;
3276                 erq->flags |= IW_ENCODE_DISABLED;
3277         } else {
3278                 if (strcmp((*crypt)->ops->name, "WEP") == 0)
3279                         ext->alg = IW_ENCODE_ALG_WEP;
3280                 else if (strcmp((*crypt)->ops->name, "TKIP") == 0)
3281                         ext->alg = IW_ENCODE_ALG_TKIP;
3282                 else if (strcmp((*crypt)->ops->name, "CCMP") == 0)
3283                         ext->alg = IW_ENCODE_ALG_CCMP;
3284                 else
3285                         return -EINVAL;
3286
3287                 if ((*crypt)->ops->get_key) {
3288                         ext->key_len =
3289                                 (*crypt)->ops->get_key(ext->key,
3290                                                        max_key_len,
3291                                                        ext->tx_seq,
3292                                                        (*crypt)->priv);
3293                         if (ext->key_len &&
3294                             (ext->alg == IW_ENCODE_ALG_TKIP ||
3295                              ext->alg == IW_ENCODE_ALG_CCMP))
3296                                 ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
3297                 }
3298         }
3299
3300         if (sta_ptr)
3301                 hostap_handle_sta_release(sta_ptr);
3302
3303         return 0;
3304 }
3305
3306
3307 static int prism2_ioctl_set_encryption(local_info_t *local,
3308                                        struct prism2_hostapd_param *param,
3309                                        int param_len)
3310 {
3311         int ret = 0;
3312         struct lib80211_crypto_ops *ops;
3313         struct lib80211_crypt_data **crypt;
3314         void *sta_ptr;
3315
3316         param->u.crypt.err = 0;
3317         param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0';
3318
3319         if (param_len !=
3320             (int) ((char *) param->u.crypt.key - (char *) param) +
3321             param->u.crypt.key_len)
3322                 return -EINVAL;
3323
3324         if (is_broadcast_ether_addr(param->sta_addr)) {
3325                 if (param->u.crypt.idx >= WEP_KEYS)
3326                         return -EINVAL;
3327                 sta_ptr = NULL;
3328                 crypt = &local->crypt_info.crypt[param->u.crypt.idx];
3329         } else {
3330                 if (param->u.crypt.idx)
3331                         return -EINVAL;
3332                 sta_ptr = ap_crypt_get_ptrs(
3333                         local->ap, param->sta_addr,
3334                         (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_PERMANENT),
3335                         &crypt);
3336
3337                 if (sta_ptr == NULL) {
3338                         param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3339                         return -EINVAL;
3340                 }
3341         }
3342
3343         if (strcmp(param->u.crypt.alg, "none") == 0) {
3344                 if (crypt)
3345                         lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3346                 goto done;
3347         }
3348
3349         ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3350         if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
3351                 request_module("lib80211_crypt_wep");
3352                 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3353         } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
3354                 request_module("lib80211_crypt_tkip");
3355                 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3356         } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
3357                 request_module("lib80211_crypt_ccmp");
3358                 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3359         }
3360         if (ops == NULL) {
3361                 printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3362                        local->dev->name, param->u.crypt.alg);
3363                 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ALG;
3364                 ret = -EINVAL;
3365                 goto done;
3366         }
3367
3368         /* station based encryption and other than WEP algorithms require
3369          * host-based encryption, so force them on automatically */
3370         local->host_decrypt = local->host_encrypt = 1;
3371
3372         if (*crypt == NULL || (*crypt)->ops != ops) {
3373                 struct lib80211_crypt_data *new_crypt;
3374
3375                 lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3376
3377                 new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
3378                                 GFP_KERNEL);
3379                 if (new_crypt == NULL) {
3380                         ret = -ENOMEM;
3381                         goto done;
3382                 }
3383                 new_crypt->ops = ops;
3384                 new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx);
3385                 if (new_crypt->priv == NULL) {
3386                         kfree(new_crypt);
3387                         param->u.crypt.err =
3388                                 HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED;
3389                         ret = -EINVAL;
3390                         goto done;
3391                 }
3392
3393                 *crypt = new_crypt;
3394         }
3395
3396         if ((!(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) ||
3397              param->u.crypt.key_len > 0) && (*crypt)->ops->set_key &&
3398             (*crypt)->ops->set_key(param->u.crypt.key,
3399                                    param->u.crypt.key_len, param->u.crypt.seq,
3400                                    (*crypt)->priv) < 0) {
3401                 printk(KERN_DEBUG "%s: key setting failed\n",
3402                        local->dev->name);
3403                 param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
3404                 ret = -EINVAL;
3405                 goto done;
3406         }
3407
3408         if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
3409                 if (!sta_ptr)
3410                         local->crypt_info.tx_keyidx = param->u.crypt.idx;
3411                 else if (param->u.crypt.idx) {
3412                         printk(KERN_DEBUG "%s: TX key idx setting failed\n",
3413                                local->dev->name);
3414                         param->u.crypt.err =
3415                                 HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED;
3416                         ret = -EINVAL;
3417                         goto done;
3418                 }
3419         }
3420
3421  done:
3422         if (sta_ptr)
3423                 hostap_handle_sta_release(sta_ptr);
3424
3425         /* Do not reset port0 if card is in Managed mode since resetting will
3426          * generate new IEEE 802.11 authentication which may end up in looping
3427          * with IEEE 802.1X. Prism2 documentation seem to require port reset
3428          * after WEP configuration. However, keys are apparently changed at
3429          * least in Managed mode. */
3430         if (ret == 0 &&
3431             (hostap_set_encryption(local) ||
3432              (local->iw_mode != IW_MODE_INFRA &&
3433               local->func->reset_port(local->dev)))) {
3434                 param->u.crypt.err = HOSTAP_CRYPT_ERR_CARD_CONF_FAILED;
3435                 return -EINVAL;
3436         }
3437
3438         return ret;
3439 }
3440
3441
3442 static int prism2_ioctl_get_encryption(local_info_t *local,
3443                                        struct prism2_hostapd_param *param,
3444                                        int param_len)
3445 {
3446         struct lib80211_crypt_data **crypt;
3447         void *sta_ptr;
3448         int max_key_len;
3449
3450         param->u.crypt.err = 0;
3451
3452         max_key_len = param_len -
3453                 (int) ((char *) param->u.crypt.key - (char *) param);
3454         if (max_key_len < 0)
3455                 return -EINVAL;
3456
3457         if (is_broadcast_ether_addr(param->sta_addr)) {
3458                 sta_ptr = NULL;
3459                 if (param->u.crypt.idx >= WEP_KEYS)
3460                         param->u.crypt.idx = local->crypt_info.tx_keyidx;
3461                 crypt = &local->crypt_info.crypt[param->u.crypt.idx];
3462         } else {
3463                 param->u.crypt.idx = 0;
3464                 sta_ptr = ap_crypt_get_ptrs(local->ap, param->sta_addr, 0,
3465                                             &crypt);
3466
3467                 if (sta_ptr == NULL) {
3468                         param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3469                         return -EINVAL;
3470                 }
3471         }
3472
3473         if (*crypt == NULL || (*crypt)->ops == NULL) {
3474                 memcpy(param->u.crypt.alg, "none", 5);
3475                 param->u.crypt.key_len = 0;
3476                 param->u.crypt.idx = 0xff;
3477         } else {
3478                 strscpy(param->u.crypt.alg, (*crypt)->ops->name,
3479                         HOSTAP_CRYPT_ALG_NAME_LEN);
3480                 param->u.crypt.key_len = 0;
3481
3482                 memset(param->u.crypt.seq, 0, 8);
3483                 if ((*crypt)->ops->get_key) {
3484                         param->u.crypt.key_len =
3485                                 (*crypt)->ops->get_key(param->u.crypt.key,
3486                                                        max_key_len,
3487                                                        param->u.crypt.seq,
3488                                                        (*crypt)->priv);
3489                 }
3490         }
3491
3492         if (sta_ptr)
3493                 hostap_handle_sta_release(sta_ptr);
3494
3495         return 0;
3496 }
3497
3498
3499 static int prism2_ioctl_get_rid(local_info_t *local,
3500                                 struct prism2_hostapd_param *param,
3501                                 int param_len)
3502 {
3503         int max_len, res;
3504
3505         max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3506         if (max_len < 0)
3507                 return -EINVAL;
3508
3509         res = local->func->get_rid(local->dev, param->u.rid.rid,
3510                                    param->u.rid.data, param->u.rid.len, 0);
3511         if (res >= 0) {
3512                 param->u.rid.len = res;
3513                 return 0;
3514         }
3515
3516         return res;
3517 }
3518
3519
3520 static int prism2_ioctl_set_rid(local_info_t *local,
3521                                 struct prism2_hostapd_param *param,
3522                                 int param_len)
3523 {
3524         int max_len;
3525
3526         max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3527         if (max_len < 0 || max_len < param->u.rid.len)
3528                 return -EINVAL;
3529
3530         return local->func->set_rid(local->dev, param->u.rid.rid,
3531                                     param->u.rid.data, param->u.rid.len);
3532 }
3533
3534
3535 static int prism2_ioctl_set_assoc_ap_addr(local_info_t *local,
3536                                           struct prism2_hostapd_param *param,
3537                                           int param_len)
3538 {
3539         printk(KERN_DEBUG "%ssta: associated as client with AP %pM\n",
3540                local->dev->name, param->sta_addr);
3541         memcpy(local->assoc_ap_addr, param->sta_addr, ETH_ALEN);
3542         return 0;
3543 }
3544
3545
3546 static int prism2_ioctl_siwgenie(struct net_device *dev,
3547                                  struct iw_request_info *info,
3548                                  union iwreq_data *wrqu, char *extra)
3549 {
3550         struct iw_point *data = &wrqu->data;
3551         return prism2_set_genericelement(dev, extra, data->length);
3552 }
3553
3554
3555 static int prism2_ioctl_giwgenie(struct net_device *dev,
3556                                  struct iw_request_info *info,
3557                                  union iwreq_data *wrqu, char *extra)
3558 {
3559         struct iw_point *data = &wrqu->data;
3560         struct hostap_interface *iface = netdev_priv(dev);
3561         local_info_t *local = iface->local;
3562         int len = local->generic_elem_len - 2;
3563
3564         if (len <= 0 || local->generic_elem == NULL) {
3565                 data->length = 0;
3566                 return 0;
3567         }
3568
3569         if (data->length < len)
3570                 return -E2BIG;
3571
3572         data->length = len;
3573         memcpy(extra, local->generic_elem + 2, len);
3574
3575         return 0;
3576 }
3577
3578
3579 static int prism2_ioctl_set_generic_element(local_info_t *local,
3580                                             struct prism2_hostapd_param *param,
3581                                             int param_len)
3582 {
3583         int max_len, len;
3584
3585         len = param->u.generic_elem.len;
3586         max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN;
3587         if (max_len < 0 || max_len < len)
3588                 return -EINVAL;
3589
3590         return prism2_set_genericelement(local->dev,
3591                                          param->u.generic_elem.data, len);
3592 }
3593
3594
3595 static int prism2_ioctl_siwmlme(struct net_device *dev,
3596                                 struct iw_request_info *info,
3597                                 union iwreq_data *wrqu, char *extra)
3598 {
3599         struct hostap_interface *iface = netdev_priv(dev);
3600         local_info_t *local = iface->local;
3601         struct iw_mlme *mlme = (struct iw_mlme *) extra;
3602         __le16 reason;
3603
3604         reason = cpu_to_le16(mlme->reason_code);
3605
3606         switch (mlme->cmd) {
3607         case IW_MLME_DEAUTH:
3608                 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3609                                             IEEE80211_STYPE_DEAUTH,
3610                                             (u8 *) &reason, 2);
3611         case IW_MLME_DISASSOC:
3612                 return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3613                                             IEEE80211_STYPE_DISASSOC,
3614                                             (u8 *) &reason, 2);
3615         default:
3616                 return -EOPNOTSUPP;
3617         }
3618 }
3619
3620
3621 static int prism2_ioctl_mlme(local_info_t *local,
3622                              struct prism2_hostapd_param *param)
3623 {
3624         __le16 reason;
3625
3626         reason = cpu_to_le16(param->u.mlme.reason_code);
3627         switch (param->u.mlme.cmd) {
3628         case MLME_STA_DEAUTH:
3629                 return prism2_sta_send_mgmt(local, param->sta_addr,
3630                                             IEEE80211_STYPE_DEAUTH,
3631                                             (u8 *) &reason, 2);
3632         case MLME_STA_DISASSOC:
3633                 return prism2_sta_send_mgmt(local, param->sta_addr,
3634                                             IEEE80211_STYPE_DISASSOC,
3635                                             (u8 *) &reason, 2);
3636         default:
3637                 return -EOPNOTSUPP;
3638         }
3639 }
3640
3641
3642 static int prism2_ioctl_scan_req(local_info_t *local,
3643                                  struct prism2_hostapd_param *param)
3644 {
3645 #ifndef PRISM2_NO_STATION_MODES
3646         if ((local->iw_mode != IW_MODE_INFRA &&
3647              local->iw_mode != IW_MODE_ADHOC) ||
3648             (local->sta_fw_ver < PRISM2_FW_VER(1,3,1)))
3649                 return -EOPNOTSUPP;
3650
3651         if (!local->dev_enabled)
3652                 return -ENETDOWN;
3653
3654         return prism2_request_hostscan(local->dev, param->u.scan_req.ssid,
3655                                        param->u.scan_req.ssid_len);
3656 #else /* PRISM2_NO_STATION_MODES */
3657         return -EOPNOTSUPP;
3658 #endif /* PRISM2_NO_STATION_MODES */
3659 }
3660
3661
3662 static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p)
3663 {
3664         struct prism2_hostapd_param *param;
3665         int ret = 0;
3666         int ap_ioctl = 0;
3667
3668         if (p->length < sizeof(struct prism2_hostapd_param) ||
3669             p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
3670                 return -EINVAL;
3671
3672         param = memdup_user(p->pointer, p->length);
3673         if (IS_ERR(param)) {
3674                 return PTR_ERR(param);
3675         }
3676
3677         switch (param->cmd) {
3678         case PRISM2_SET_ENCRYPTION:
3679                 ret = prism2_ioctl_set_encryption(local, param, p->length);
3680                 break;
3681         case PRISM2_GET_ENCRYPTION:
3682                 ret = prism2_ioctl_get_encryption(local, param, p->length);
3683                 break;
3684         case PRISM2_HOSTAPD_GET_RID:
3685                 ret = prism2_ioctl_get_rid(local, param, p->length);
3686                 break;
3687         case PRISM2_HOSTAPD_SET_RID:
3688                 ret = prism2_ioctl_set_rid(local, param, p->length);
3689                 break;
3690         case PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR:
3691                 ret = prism2_ioctl_set_assoc_ap_addr(local, param, p->length);
3692                 break;
3693         case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT:
3694                 ret = prism2_ioctl_set_generic_element(local, param,
3695                                                        p->length);
3696                 break;
3697         case PRISM2_HOSTAPD_MLME:
3698                 ret = prism2_ioctl_mlme(local, param);
3699                 break;
3700         case PRISM2_HOSTAPD_SCAN_REQ:
3701                 ret = prism2_ioctl_scan_req(local, param);
3702                 break;
3703         default:
3704                 ret = prism2_hostapd(local->ap, param);
3705                 ap_ioctl = 1;
3706                 break;
3707         }
3708
3709         if (ret == 1 || !ap_ioctl) {
3710                 if (copy_to_user(p->pointer, param, p->length)) {
3711                         ret = -EFAULT;
3712                         goto out;
3713                 } else if (ap_ioctl)
3714                         ret = 0;
3715         }
3716
3717  out:
3718         kfree(param);
3719         return ret;
3720 }
3721
3722
3723 static void prism2_get_drvinfo(struct net_device *dev,
3724                                struct ethtool_drvinfo *info)
3725 {
3726         struct hostap_interface *iface;
3727         local_info_t *local;
3728
3729         iface = netdev_priv(dev);
3730         local = iface->local;
3731
3732         strscpy(info->driver, "hostap", sizeof(info->driver));
3733         snprintf(info->fw_version, sizeof(info->fw_version),
3734                  "%d.%d.%d", (local->sta_fw_ver >> 16) & 0xff,
3735                  (local->sta_fw_ver >> 8) & 0xff,
3736                  local->sta_fw_ver & 0xff);
3737 }
3738
3739 const struct ethtool_ops prism2_ethtool_ops = {
3740         .get_drvinfo = prism2_get_drvinfo
3741 };
3742
3743
3744 /* Structures to export the Wireless Handlers */
3745
3746 static const iw_handler prism2_handler[] =
3747 {
3748         IW_HANDLER(SIOCGIWNAME,         prism2_get_name),
3749         IW_HANDLER(SIOCSIWFREQ,         prism2_ioctl_siwfreq),
3750         IW_HANDLER(SIOCGIWFREQ,         prism2_ioctl_giwfreq),
3751         IW_HANDLER(SIOCSIWMODE,         prism2_ioctl_siwmode),
3752         IW_HANDLER(SIOCGIWMODE,         prism2_ioctl_giwmode),
3753         IW_HANDLER(SIOCSIWSENS,         prism2_ioctl_siwsens),
3754         IW_HANDLER(SIOCGIWSENS,         prism2_ioctl_giwsens),
3755         IW_HANDLER(SIOCGIWRANGE,        prism2_ioctl_giwrange),
3756         IW_HANDLER(SIOCSIWSPY,          iw_handler_set_spy),
3757         IW_HANDLER(SIOCGIWSPY,          iw_handler_get_spy),
3758         IW_HANDLER(SIOCSIWTHRSPY,       iw_handler_set_thrspy),
3759         IW_HANDLER(SIOCGIWTHRSPY,       iw_handler_get_thrspy),
3760         IW_HANDLER(SIOCSIWAP,           prism2_ioctl_siwap),
3761         IW_HANDLER(SIOCGIWAP,           prism2_ioctl_giwap),
3762         IW_HANDLER(SIOCSIWMLME,         prism2_ioctl_siwmlme),
3763         IW_HANDLER(SIOCGIWAPLIST,       prism2_ioctl_giwaplist),
3764         IW_HANDLER(SIOCSIWSCAN,         prism2_ioctl_siwscan),
3765         IW_HANDLER(SIOCGIWSCAN,         prism2_ioctl_giwscan),
3766         IW_HANDLER(SIOCSIWESSID,        prism2_ioctl_siwessid),
3767         IW_HANDLER(SIOCGIWESSID,        prism2_ioctl_giwessid),
3768         IW_HANDLER(SIOCSIWNICKN,        prism2_ioctl_siwnickn),
3769         IW_HANDLER(SIOCGIWNICKN,        prism2_ioctl_giwnickn),
3770         IW_HANDLER(SIOCSIWRATE,         prism2_ioctl_siwrate),
3771         IW_HANDLER(SIOCGIWRATE,         prism2_ioctl_giwrate),
3772         IW_HANDLER(SIOCSIWRTS,          prism2_ioctl_siwrts),
3773         IW_HANDLER(SIOCGIWRTS,          prism2_ioctl_giwrts),
3774         IW_HANDLER(SIOCSIWFRAG,         prism2_ioctl_siwfrag),
3775         IW_HANDLER(SIOCGIWFRAG,         prism2_ioctl_giwfrag),
3776         IW_HANDLER(SIOCSIWTXPOW,        prism2_ioctl_siwtxpow),
3777         IW_HANDLER(SIOCGIWTXPOW,        prism2_ioctl_giwtxpow),
3778         IW_HANDLER(SIOCSIWRETRY,        prism2_ioctl_siwretry),
3779         IW_HANDLER(SIOCGIWRETRY,        prism2_ioctl_giwretry),
3780         IW_HANDLER(SIOCSIWENCODE,       prism2_ioctl_siwencode),
3781         IW_HANDLER(SIOCGIWENCODE,       prism2_ioctl_giwencode),
3782         IW_HANDLER(SIOCSIWPOWER,        prism2_ioctl_siwpower),
3783         IW_HANDLER(SIOCGIWPOWER,        prism2_ioctl_giwpower),
3784         IW_HANDLER(SIOCSIWGENIE,        prism2_ioctl_siwgenie),
3785         IW_HANDLER(SIOCGIWGENIE,        prism2_ioctl_giwgenie),
3786         IW_HANDLER(SIOCSIWAUTH,         prism2_ioctl_siwauth),
3787         IW_HANDLER(SIOCGIWAUTH,         prism2_ioctl_giwauth),
3788         IW_HANDLER(SIOCSIWENCODEEXT,    prism2_ioctl_siwencodeext),
3789         IW_HANDLER(SIOCGIWENCODEEXT,    prism2_ioctl_giwencodeext),
3790 };
3791
3792 static const iw_handler prism2_private_handler[] =
3793 {                                               /* SIOCIWFIRSTPRIV + */
3794         prism2_ioctl_priv_prism2_param,         /* 0 */
3795         prism2_ioctl_priv_get_prism2_param,     /* 1 */
3796         prism2_ioctl_priv_writemif,             /* 2 */
3797         prism2_ioctl_priv_readmif,              /* 3 */
3798 };
3799
3800 const struct iw_handler_def hostap_iw_handler_def =
3801 {
3802         .num_standard   = ARRAY_SIZE(prism2_handler),
3803         .num_private    = ARRAY_SIZE(prism2_private_handler),
3804         .num_private_args = ARRAY_SIZE(prism2_priv),
3805         .standard       = prism2_handler,
3806         .private        = prism2_private_handler,
3807         .private_args   = (struct iw_priv_args *) prism2_priv,
3808         .get_wireless_stats = hostap_get_wireless_stats,
3809 };
3810
3811
3812 /* Private ioctls that are not used with iwpriv;
3813  * in SIOCDEVPRIVATE range */
3814 int hostap_siocdevprivate(struct net_device *dev, struct ifreq *ifr,
3815                           void __user *data, int cmd)
3816 {
3817         struct iwreq *wrq = (struct iwreq *)ifr;
3818         struct hostap_interface *iface;
3819         local_info_t *local;
3820         int ret = 0;
3821
3822         iface = netdev_priv(dev);
3823         local = iface->local;
3824
3825         if (in_compat_syscall()) /* not implemented yet */
3826                 return -EOPNOTSUPP;
3827
3828         switch (cmd) {
3829 #ifdef PRISM2_DOWNLOAD_SUPPORT
3830         case PRISM2_IOCTL_DOWNLOAD:
3831                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3832                 else ret = prism2_ioctl_priv_download(local, &wrq->u.data);
3833                 break;
3834 #endif /* PRISM2_DOWNLOAD_SUPPORT */
3835
3836         case PRISM2_IOCTL_HOSTAPD:
3837                 if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3838                 else ret = prism2_ioctl_priv_hostapd(local, &wrq->u.data);
3839                 break;
3840
3841         default:
3842                 ret = -EOPNOTSUPP;
3843                 break;
3844         }
3845
3846         return ret;
3847 }