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

   1 /**
   2   * This file contains ioctl functions
   3   */
   4 #include <linux/ctype.h>
   5 #include <linux/delay.h>
   6 #include <linux/if.h>
   7 #include <linux/if_arp.h>
   8 #include <linux/wireless.h>
   9 #include <linux/bitops.h>
  10
  11 #include <net/ieee80211.h>
  12 #include <net/iw_handler.h>
  13
  14 #include "host.h"
  15 #include "radiotap.h"
  16 #include "decl.h"
  17 #include "defs.h"
  18 #include "dev.h"
  19 #include "join.h"
  20 #include "wext.h"
  21 #include "assoc.h"
  22
  23
  24 /**
  25  * the rates supported by the card
  26  */
  27 static u8 libertas_wlan_data_rates[WLAN_SUPPORTED_RATES] =
  28     { 0x02, 0x04, 0x0B, 0x16, 0x00, 0x0C, 0x12,
  29       0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x00
  30 };
  31
  32 /**
  33  *  @brief Convert mw value to dbm value
  34  *
  35  *  @param mw      the value of mw
  36  *  @return        the value of dbm
  37  */
  38 static int mw_to_dbm(int mw)
  39 {
  40         if (mw < 2)
  41                 return 0;
  42         else if (mw < 3)
  43                 return 3;
  44         else if (mw < 4)
  45                 return 5;
  46         else if (mw < 6)
  47                 return 7;
  48         else if (mw < 7)
  49                 return 8;
  50         else if (mw < 8)
  51                 return 9;
  52         else if (mw < 10)
  53                 return 10;
  54         else if (mw < 13)
  55                 return 11;
  56         else if (mw < 16)
  57                 return 12;
  58         else if (mw < 20)
  59                 return 13;
  60         else if (mw < 25)
  61                 return 14;
  62         else if (mw < 32)
  63                 return 15;
  64         else if (mw < 40)
  65                 return 16;
  66         else if (mw < 50)
  67                 return 17;
  68         else if (mw < 63)
  69                 return 18;
  70         else if (mw < 79)
  71                 return 19;
  72         else if (mw < 100)
  73                 return 20;
  74         else
  75                 return 21;
  76 }
  77
  78 /**
  79  *  @brief Find the channel frequency power info with specific channel
  80  *
  81  *  @param adapter      A pointer to wlan_adapter structure
  82  *  @param band         it can be BAND_A, BAND_G or BAND_B
  83  *  @param channel      the channel for looking
  84  *  @return             A pointer to struct chan_freq_power structure or NULL if not find.
  85  */
  86 struct chan_freq_power *libertas_find_cfp_by_band_and_channel(wlan_adapter * adapter,
  87                                                  u8 band, u16 channel)
  88 {
  89         struct chan_freq_power *cfp = NULL;
  90         struct region_channel *rc;
  91         int count = sizeof(adapter->region_channel) /
  92             sizeof(adapter->region_channel[0]);
  93         int i, j;
  94
  95         for (j = 0; !cfp && (j < count); j++) {
  96                 rc = &adapter->region_channel[j];
  97
  98                 if (adapter->enable11d)
  99                         rc = &adapter->universal_channel[j];
 100                 if (!rc->valid || !rc->CFP)
 101                         continue;
 102                 if (rc->band != band)
 103                         continue;
 104                 for (i = 0; i < rc->nrcfp; i++) {
 105                         if (rc->CFP[i].channel == channel) {
 106                                 cfp = &rc->CFP[i];
 107                                 break;
 108                         }
 109                 }
 110         }
 111
 112         if (!cfp && channel)
 113                 lbs_deb_wext("libertas_find_cfp_by_band_and_channel: can't find "
 114                        "cfp by band %d / channel %d\n", band, channel);
 115
 116         return cfp;
 117 }
 118
 119 /**
 120  *  @brief Find the channel frequency power info with specific frequency
 121  *
 122  *  @param adapter      A pointer to wlan_adapter structure
 123  *  @param band         it can be BAND_A, BAND_G or BAND_B
 124  *  @param freq         the frequency for looking
 125  *  @return             A pointer to struct chan_freq_power structure or NULL if not find.
 126  */
 127 static struct chan_freq_power *find_cfp_by_band_and_freq(wlan_adapter * adapter,
 128                                                      u8 band, u32 freq)
 129 {
 130         struct chan_freq_power *cfp = NULL;
 131         struct region_channel *rc;
 132         int count = sizeof(adapter->region_channel) /
 133             sizeof(adapter->region_channel[0]);
 134         int i, j;
 135
 136         for (j = 0; !cfp && (j < count); j++) {
 137                 rc = &adapter->region_channel[j];
 138
 139                 if (adapter->enable11d)
 140                         rc = &adapter->universal_channel[j];
 141                 if (!rc->valid || !rc->CFP)
 142                         continue;
 143                 if (rc->band != band)
 144                         continue;
 145                 for (i = 0; i < rc->nrcfp; i++) {
 146                         if (rc->CFP[i].freq == freq) {
 147                                 cfp = &rc->CFP[i];
 148                                 break;
 149                         }
 150                 }
 151         }
 152
 153         if (!cfp && freq)
 154                 lbs_deb_wext("find_cfp_by_band_and_freql: can't find cfp by "
 155                        "band %d / freq %d\n", band, freq);
 156
 157         return cfp;
 158 }
 159
 160
 161 /**
 162  *  @brief Set Radio On/OFF
 163  *
 164  *  @param priv                 A pointer to wlan_private structure
 165  *  @option                     Radio Option
 166  *  @return                     0 --success, otherwise fail
 167  */
 168 int wlan_radio_ioctl(wlan_private * priv, u8 option)
 169 {
 170         int ret = 0;
 171         wlan_adapter *adapter = priv->adapter;
 172
 173         lbs_deb_enter(LBS_DEB_WEXT);
 174
 175         if (adapter->radioon != option) {
 176                 lbs_deb_wext("switching radio %s\n", option ? "on" : "off");
 177                 adapter->radioon = option;
 178
 179                 ret = libertas_prepare_and_send_command(priv,
 180                                             cmd_802_11_radio_control,
 181                                             cmd_act_set,
 182                                             cmd_option_waitforrsp, 0, NULL);
 183         }
 184
 185         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
 186         return ret;
 187 }
 188
 189 /**
 190  *  @brief Copy rates
 191  *
 192  *  @param dest                 A pointer to Dest Buf
 193  *  @param src                  A pointer to Src Buf
 194  *  @param len                  The len of Src Buf
 195  *  @return                     Number of rates copyed
 196  */
 197 static inline int copyrates(u8 * dest, int pos, u8 * src, int len)
 198 {
 199         int i;
 200
 201         for (i = 0; i < len && src[i]; i++, pos++) {
 202                 if (pos >= sizeof(u8) * WLAN_SUPPORTED_RATES)
 203                         break;
 204                 dest[pos] = src[i];
 205         }
 206
 207         return pos;
 208 }
 209
 210 /**
 211  *  @brief Get active data rates
 212  *
 213  *  @param adapter              A pointer to wlan_adapter structure
 214  *  @param rate                 The buf to return the active rates
 215  *  @return                     The number of rates
 216  */
 217 static int get_active_data_rates(wlan_adapter * adapter,
 218                                  u8* rates)
 219 {
 220         int k = 0;
 221
 222         lbs_deb_enter(LBS_DEB_WEXT);
 223
 224         if (adapter->connect_status != libertas_connected) {
 225                 if (adapter->mode == IW_MODE_INFRA) {
 226                         lbs_deb_wext("infra\n");
 227                         k = copyrates(rates, k, libertas_supported_rates,
 228                                       sizeof(libertas_supported_rates));
 229                 } else {
 230                         lbs_deb_wext("Adhoc G\n");
 231                         k = copyrates(rates, k, libertas_adhoc_rates_g,
 232                                       sizeof(libertas_adhoc_rates_g));
 233                 }
 234         } else {
 235                 k = copyrates(rates, 0, adapter->curbssparams.datarates,
 236                               adapter->curbssparams.numofrates);
 237         }
 238
 239         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", k);
 240         return k;
 241 }
 242
 243 static int wlan_get_name(struct net_device *dev, struct iw_request_info *info,
 244                          char *cwrq, char *extra)
 245 {
 246         const char *cp;
 247         char comm[6] = { "COMM-" };
 248         char mrvl[6] = { "MRVL-" };
 249         int cnt;
 250
 251         lbs_deb_enter(LBS_DEB_WEXT);
 252
 253         strcpy(cwrq, mrvl);
 254
 255         cp = strstr(libertas_driver_version, comm);
 256         if (cp == libertas_driver_version)      //skip leading "COMM-"
 257                 cp = libertas_driver_version + strlen(comm);
 258         else
 259                 cp = libertas_driver_version;
 260
 261         cnt = strlen(mrvl);
 262         cwrq += cnt;
 263         while (cnt < 16 && (*cp != '-')) {
 264                 *cwrq++ = toupper(*cp++);
 265                 cnt++;
 266         }
 267         *cwrq = '\0';
 268
 269         lbs_deb_leave(LBS_DEB_WEXT);
 270         return 0;
 271 }
 272
 273 static int wlan_get_freq(struct net_device *dev, struct iw_request_info *info,
 274                          struct iw_freq *fwrq, char *extra)
 275 {
 276         wlan_private *priv = dev->priv;
 277         wlan_adapter *adapter = priv->adapter;
 278         struct chan_freq_power *cfp;
 279
 280         lbs_deb_enter(LBS_DEB_WEXT);
 281
 282         cfp = libertas_find_cfp_by_band_and_channel(adapter, 0,
 283                                            adapter->curbssparams.channel);
 284
 285         if (!cfp) {
 286                 if (adapter->curbssparams.channel)
 287                         lbs_deb_wext("invalid channel %d\n",
 288                                adapter->curbssparams.channel);
 289                 return -EINVAL;
 290         }
 291
 292         fwrq->m = (long)cfp->freq * 100000;
 293         fwrq->e = 1;
 294
 295         lbs_deb_wext("freq %u\n", fwrq->m);
 296         lbs_deb_leave(LBS_DEB_WEXT);
 297         return 0;
 298 }
 299
 300 static int wlan_get_wap(struct net_device *dev, struct iw_request_info *info,
 301                         struct sockaddr *awrq, char *extra)
 302 {
 303         wlan_private *priv = dev->priv;
 304         wlan_adapter *adapter = priv->adapter;
 305
 306         lbs_deb_enter(LBS_DEB_WEXT);
 307
 308         if (adapter->connect_status == libertas_connected) {
 309                 memcpy(awrq->sa_data, adapter->curbssparams.bssid, ETH_ALEN);
 310         } else {
 311                 memset(awrq->sa_data, 0, ETH_ALEN);
 312         }
 313         awrq->sa_family = ARPHRD_ETHER;
 314
 315         lbs_deb_leave(LBS_DEB_WEXT);
 316         return 0;
 317 }
 318
 319 static int wlan_set_nick(struct net_device *dev, struct iw_request_info *info,
 320                          struct iw_point *dwrq, char *extra)
 321 {
 322         wlan_private *priv = dev->priv;
 323         wlan_adapter *adapter = priv->adapter;
 324
 325         lbs_deb_enter(LBS_DEB_WEXT);
 326
 327         /*
 328          * Check the size of the string
 329          */
 330
 331         if (dwrq->length > 16) {
 332                 return -E2BIG;
 333         }
 334
 335         mutex_lock(&adapter->lock);
 336         memset(adapter->nodename, 0, sizeof(adapter->nodename));
 337         memcpy(adapter->nodename, extra, dwrq->length);
 338         mutex_unlock(&adapter->lock);
 339
 340         lbs_deb_leave(LBS_DEB_WEXT);
 341         return 0;
 342 }
 343
 344 static int wlan_get_nick(struct net_device *dev, struct iw_request_info *info,
 345                          struct iw_point *dwrq, char *extra)
 346 {
 347         wlan_private *priv = dev->priv;
 348         wlan_adapter *adapter = priv->adapter;
 349
 350         lbs_deb_enter(LBS_DEB_WEXT);
 351
 352         /*
 353          * Get the Nick Name saved
 354          */
 355
 356         mutex_lock(&adapter->lock);
 357         strncpy(extra, adapter->nodename, 16);
 358         mutex_unlock(&adapter->lock);
 359
 360         extra[16] = '\0';
 361
 362         /*
 363          * If none, we may want to get the one that was set
 364          */
 365
 366         /*
 367          * Push it out !
 368          */
 369         dwrq->length = strlen(extra) + 1;
 370
 371         lbs_deb_leave(LBS_DEB_WEXT);
 372         return 0;
 373 }
 374
 375 static int mesh_get_nick(struct net_device *dev, struct iw_request_info *info,
 376                          struct iw_point *dwrq, char *extra)
 377 {
 378         wlan_private *priv = dev->priv;
 379         wlan_adapter *adapter = priv->adapter;
 380
 381         lbs_deb_enter(LBS_DEB_WEXT);
 382
 383         /* Use nickname to indicate that mesh is on */
 384
 385         if (adapter->connect_status == libertas_connected) {
 386                 strncpy(extra, "Mesh", 12);
 387                 extra[12] = '\0';
 388                 dwrq->length = strlen(extra) + 1;
 389         }
 390
 391         else {
 392                 extra[0] = '\0';
 393                 dwrq->length = 1 ;
 394         }
 395
 396         lbs_deb_leave(LBS_DEB_WEXT);
 397         return 0;
 398 }
 399 static int wlan_set_rts(struct net_device *dev, struct iw_request_info *info,
 400                         struct iw_param *vwrq, char *extra)
 401 {
 402         int ret = 0;
 403         wlan_private *priv = dev->priv;
 404         wlan_adapter *adapter = priv->adapter;
 405         u32 rthr = vwrq->value;
 406
 407         lbs_deb_enter(LBS_DEB_WEXT);
 408
 409         if (vwrq->disabled) {
 410                 adapter->rtsthsd = rthr = MRVDRV_RTS_MAX_VALUE;
 411         } else {
 412                 if (rthr < MRVDRV_RTS_MIN_VALUE || rthr > MRVDRV_RTS_MAX_VALUE)
 413                         return -EINVAL;
 414                 adapter->rtsthsd = rthr;
 415         }
 416
 417         ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib,
 418                                     cmd_act_set, cmd_option_waitforrsp,
 419                                     OID_802_11_RTS_THRESHOLD, &rthr);
 420
 421         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
 422         return ret;
 423 }
 424
 425 static int wlan_get_rts(struct net_device *dev, struct iw_request_info *info,
 426                         struct iw_param *vwrq, char *extra)
 427 {
 428         int ret = 0;
 429         wlan_private *priv = dev->priv;
 430         wlan_adapter *adapter = priv->adapter;
 431
 432         lbs_deb_enter(LBS_DEB_WEXT);
 433
 434         adapter->rtsthsd = 0;
 435         ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib,
 436                                     cmd_act_get, cmd_option_waitforrsp,
 437                                     OID_802_11_RTS_THRESHOLD, NULL);
 438         if (ret)
 439                 goto out;
 440
 441         vwrq->value = adapter->rtsthsd;
 442         vwrq->disabled = ((vwrq->value < MRVDRV_RTS_MIN_VALUE)
 443                           || (vwrq->value > MRVDRV_RTS_MAX_VALUE));
 444         vwrq->fixed = 1;
 445
 446 out:
 447         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
 448         return ret;
 449 }
 450
 451 static int wlan_set_frag(struct net_device *dev, struct iw_request_info *info,
 452                          struct iw_param *vwrq, char *extra)
 453 {
 454         int ret = 0;
 455         u32 fthr = vwrq->value;
 456         wlan_private *priv = dev->priv;
 457         wlan_adapter *adapter = priv->adapter;
 458
 459         lbs_deb_enter(LBS_DEB_WEXT);
 460
 461         if (vwrq->disabled) {
 462                 adapter->fragthsd = fthr = MRVDRV_FRAG_MAX_VALUE;
 463         } else {
 464                 if (fthr < MRVDRV_FRAG_MIN_VALUE
 465                     || fthr > MRVDRV_FRAG_MAX_VALUE)
 466                         return -EINVAL;
 467                 adapter->fragthsd = fthr;
 468         }
 469
 470         ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib,
 471                                     cmd_act_set, cmd_option_waitforrsp,
 472                                     OID_802_11_FRAGMENTATION_THRESHOLD, &fthr);
 473
 474         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
 475         return ret;
 476 }
 477
 478 static int wlan_get_frag(struct net_device *dev, struct iw_request_info *info,
 479                          struct iw_param *vwrq, char *extra)
 480 {
 481         int ret = 0;
 482         wlan_private *priv = dev->priv;
 483         wlan_adapter *adapter = priv->adapter;
 484
 485         lbs_deb_enter(LBS_DEB_WEXT);
 486
 487         adapter->fragthsd = 0;
 488         ret = libertas_prepare_and_send_command(priv,
 489                                     cmd_802_11_snmp_mib,
 490                                     cmd_act_get, cmd_option_waitforrsp,
 491                                     OID_802_11_FRAGMENTATION_THRESHOLD, NULL);
 492         if (ret)
 493                 goto out;
 494
 495         vwrq->value = adapter->fragthsd;
 496         vwrq->disabled = ((vwrq->value < MRVDRV_FRAG_MIN_VALUE)
 497                           || (vwrq->value > MRVDRV_FRAG_MAX_VALUE));
 498         vwrq->fixed = 1;
 499
 500 out:
 501         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
 502         return ret;
 503 }
 504
 505 static int wlan_get_mode(struct net_device *dev,
 506                          struct iw_request_info *info, u32 * uwrq, char *extra)
 507 {
 508         wlan_private *priv = dev->priv;
 509         wlan_adapter *adapter = priv->adapter;
 510
 511         lbs_deb_enter(LBS_DEB_WEXT);
 512
 513         *uwrq = adapter->mode;
 514
 515         lbs_deb_leave(LBS_DEB_WEXT);
 516         return 0;
 517 }
 518
 519 static int mesh_wlan_get_mode(struct net_device *dev,
 520                               struct iw_request_info *info, u32 * uwrq,
 521                               char *extra)
 522 {
 523         lbs_deb_enter(LBS_DEB_WEXT);
 524
 525         *uwrq = IW_MODE_REPEAT ;
 526
 527         lbs_deb_leave(LBS_DEB_WEXT);
 528         return 0;
 529 }
 530
 531 static int wlan_get_txpow(struct net_device *dev,
 532                           struct iw_request_info *info,
 533                           struct iw_param *vwrq, char *extra)
 534 {
 535         int ret = 0;
 536         wlan_private *priv = dev->priv;
 537         wlan_adapter *adapter = priv->adapter;
 538
 539         lbs_deb_enter(LBS_DEB_WEXT);
 540
 541         ret = libertas_prepare_and_send_command(priv,
 542                                     cmd_802_11_rf_tx_power,
 543                                     cmd_act_tx_power_opt_get,
 544                                     cmd_option_waitforrsp, 0, NULL);
 545
 546         if (ret)
 547                 goto out;
 548
 549         lbs_deb_wext("tx power level %d dbm\n", adapter->txpowerlevel);
 550         vwrq->value = adapter->txpowerlevel;
 551         vwrq->fixed = 1;
 552         if (adapter->radioon) {
 553                 vwrq->disabled = 0;
 554                 vwrq->flags = IW_TXPOW_DBM;
 555         } else {
 556                 vwrq->disabled = 1;
 557         }
 558
 559 out:
 560         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
 561         return ret;
 562 }
 563
 564 static int wlan_set_retry(struct net_device *dev, struct iw_request_info *info,
 565                           struct iw_param *vwrq, char *extra)
 566 {
 567         int ret = 0;
 568         wlan_private *priv = dev->priv;
 569         wlan_adapter *adapter = priv->adapter;
 570
 571         lbs_deb_enter(LBS_DEB_WEXT);
 572
 573         if (vwrq->flags == IW_RETRY_LIMIT) {
 574                 /* The MAC has a 4-bit Total_Tx_Count register
 575                    Total_Tx_Count = 1 + Tx_Retry_Count */
 576 #define TX_RETRY_MIN 0
 577 #define TX_RETRY_MAX 14
 578                 if (vwrq->value < TX_RETRY_MIN || vwrq->value > TX_RETRY_MAX)
 579                         return -EINVAL;
 580
 581                 /* Adding 1 to convert retry count to try count */
 582                 adapter->txretrycount = vwrq->value + 1;
 583
 584                 ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib,
 585                                             cmd_act_set,
 586                                             cmd_option_waitforrsp,
 587                                             OID_802_11_TX_RETRYCOUNT, NULL);
 588
 589                 if (ret)
 590                         goto out;
 591         } else {
 592                 return -EOPNOTSUPP;
 593         }
 594
 595 out:
 596         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
 597         return ret;
 598 }
 599
 600 static int wlan_get_retry(struct net_device *dev, struct iw_request_info *info,
 601                           struct iw_param *vwrq, char *extra)
 602 {
 603         wlan_private *priv = dev->priv;
 604         wlan_adapter *adapter = priv->adapter;
 605         int ret = 0;
 606
 607         lbs_deb_enter(LBS_DEB_WEXT);
 608
 609         adapter->txretrycount = 0;
 610         ret = libertas_prepare_and_send_command(priv,
 611                                     cmd_802_11_snmp_mib,
 612                                     cmd_act_get, cmd_option_waitforrsp,
 613                                     OID_802_11_TX_RETRYCOUNT, NULL);
 614         if (ret)
 615                 goto out;
 616
 617         vwrq->disabled = 0;
 618         if (!vwrq->flags) {
 619                 vwrq->flags = IW_RETRY_LIMIT;
 620                 /* Subtract 1 to convert try count to retry count */
 621                 vwrq->value = adapter->txretrycount - 1;
 622         }
 623
 624 out:
 625         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
 626         return ret;
 627 }
 628
 629 static inline void sort_channels(struct iw_freq *freq, int num)
 630 {
 631         int i, j;
 632         struct iw_freq temp;
 633
 634         for (i = 0; i < num; i++)
 635                 for (j = i + 1; j < num; j++)
 636                         if (freq[i].i > freq[j].i) {
 637                                 temp.i = freq[i].i;
 638                                 temp.m = freq[i].m;
 639
 640                                 freq[i].i = freq[j].i;
 641                                 freq[i].m = freq[j].m;
 642
 643                                 freq[j].i = temp.i;
 644                                 freq[j].m = temp.m;
 645                         }
 646 }
 647
 648 /* data rate listing
 649         MULTI_BANDS:
 650                 abg             a       b       b/g
 651    Infra        G(12)           A(8)    B(4)    G(12)
 652    Adhoc        A+B(12)         A(8)    B(4)    B(4)
 653
 654         non-MULTI_BANDS:
 655                                         b       b/g
 656    Infra                                B(4)    G(12)
 657    Adhoc                                B(4)    B(4)
 658  */
 659 /**
 660  *  @brief Get Range Info
 661  *
 662  *  @param dev                  A pointer to net_device structure
 663  *  @param info                 A pointer to iw_request_info structure
 664  *  @param vwrq                 A pointer to iw_param structure
 665  *  @param extra                A pointer to extra data buf
 666  *  @return                     0 --success, otherwise fail
 667  */
 668 static int wlan_get_range(struct net_device *dev, struct iw_request_info *info,
 669                           struct iw_point *dwrq, char *extra)
 670 {
 671         int i, j;
 672         wlan_private *priv = dev->priv;
 673         wlan_adapter *adapter = priv->adapter;
 674         struct iw_range *range = (struct iw_range *)extra;
 675         struct chan_freq_power *cfp;
 676         u8 rates[WLAN_SUPPORTED_RATES];
 677
 678         u8 flag = 0;
 679
 680         lbs_deb_enter(LBS_DEB_WEXT);
 681
 682         dwrq->length = sizeof(struct iw_range);
 683         memset(range, 0, sizeof(struct iw_range));
 684
 685         range->min_nwid = 0;
 686         range->max_nwid = 0;
 687
 688         memset(rates, 0, sizeof(rates));
 689         range->num_bitrates = get_active_data_rates(adapter, rates);
 690
 691         for (i = 0; i < min_t(__u8, range->num_bitrates, IW_MAX_BITRATES) && rates[i];
 692              i++) {
 693                 range->bitrate[i] = (rates[i] & 0x7f) * 500000;
 694         }
 695         range->num_bitrates = i;
 696         lbs_deb_wext("IW_MAX_BITRATES %d, num_bitrates %d\n", IW_MAX_BITRATES,
 697                range->num_bitrates);
 698
 699         range->num_frequency = 0;
 700         if (priv->adapter->enable11d &&
 701             adapter->connect_status == libertas_connected) {
 702                 u8 chan_no;
 703                 u8 band;
 704
 705                 struct parsed_region_chan_11d *parsed_region_chan =
 706                     &adapter->parsed_region_chan;
 707
 708                 if (parsed_region_chan == NULL) {
 709                         lbs_deb_wext("11d: parsed_region_chan is NULL\n");
 710                         goto out;
 711                 }
 712                 band = parsed_region_chan->band;
 713                 lbs_deb_wext("band %d, nr_char %d\n", band,
 714                        parsed_region_chan->nr_chan);
 715
 716                 for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
 717                      && (i < parsed_region_chan->nr_chan); i++) {
 718                         chan_no = parsed_region_chan->chanpwr[i].chan;
 719                         lbs_deb_wext("chan_no %d\n", chan_no);
 720                         range->freq[range->num_frequency].i = (long)chan_no;
 721                         range->freq[range->num_frequency].m =
 722                             (long)libertas_chan_2_freq(chan_no, band) * 100000;
 723                         range->freq[range->num_frequency].e = 1;
 724                         range->num_frequency++;
 725                 }
 726                 flag = 1;
 727         }
 728         if (!flag) {
 729                 for (j = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
 730                      && (j < sizeof(adapter->region_channel)
 731                          / sizeof(adapter->region_channel[0])); j++) {
 732                         cfp = adapter->region_channel[j].CFP;
 733                         for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
 734                              && adapter->region_channel[j].valid
 735                              && cfp
 736                              && (i < adapter->region_channel[j].nrcfp); i++) {
 737                                 range->freq[range->num_frequency].i =
 738                                     (long)cfp->channel;
 739                                 range->freq[range->num_frequency].m =
 740                                     (long)cfp->freq * 100000;
 741                                 range->freq[range->num_frequency].e = 1;
 742                                 cfp++;
 743                                 range->num_frequency++;
 744                         }
 745                 }
 746         }
 747
 748         lbs_deb_wext("IW_MAX_FREQUENCIES %d, num_frequency %d\n",
 749                IW_MAX_FREQUENCIES, range->num_frequency);
 750
 751         range->num_channels = range->num_frequency;
 752
 753         sort_channels(&range->freq[0], range->num_frequency);
 754
 755         /*
 756          * Set an indication of the max TCP throughput in bit/s that we can
 757          * expect using this interface
 758          */
 759         if (i > 2)
 760                 range->throughput = 5000 * 1000;
 761         else
 762                 range->throughput = 1500 * 1000;
 763
 764         range->min_rts = MRVDRV_RTS_MIN_VALUE;
 765         range->max_rts = MRVDRV_RTS_MAX_VALUE;
 766         range->min_frag = MRVDRV_FRAG_MIN_VALUE;
 767         range->max_frag = MRVDRV_FRAG_MAX_VALUE;
 768
 769         range->encoding_size[0] = 5;
 770         range->encoding_size[1] = 13;
 771         range->num_encoding_sizes = 2;
 772         range->max_encoding_tokens = 4;
 773
 774         range->min_pmp = 1000000;
 775         range->max_pmp = 120000000;
 776         range->min_pmt = 1000;
 777         range->max_pmt = 1000000;
 778         range->pmp_flags = IW_POWER_PERIOD;
 779         range->pmt_flags = IW_POWER_TIMEOUT;
 780         range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
 781
 782         /*
 783          * Minimum version we recommend
 784          */
 785         range->we_version_source = 15;
 786
 787         /*
 788          * Version we are compiled with
 789          */
 790         range->we_version_compiled = WIRELESS_EXT;
 791
 792         range->retry_capa = IW_RETRY_LIMIT;
 793         range->retry_flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
 794
 795         range->min_retry = TX_RETRY_MIN;
 796         range->max_retry = TX_RETRY_MAX;
 797
 798         /*
 799          * Set the qual, level and noise range values
 800          */
 801         range->max_qual.qual = 100;
 802         range->max_qual.level = 0;
 803         range->max_qual.noise = 0;
 804         range->max_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
 805
 806         range->avg_qual.qual = 70;
 807         /* TODO: Find real 'good' to 'bad' threshold value for RSSI */
 808         range->avg_qual.level = 0;
 809         range->avg_qual.noise = 0;
 810         range->avg_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
 811
 812         range->sensitivity = 0;
 813
 814         /*
 815          * Setup the supported power level ranges
 816          */
 817         memset(range->txpower, 0, sizeof(range->txpower));
 818         range->txpower[0] = 5;
 819         range->txpower[1] = 7;
 820         range->txpower[2] = 9;
 821         range->txpower[3] = 11;
 822         range->txpower[4] = 13;
 823         range->txpower[5] = 15;
 824         range->txpower[6] = 17;
 825         range->txpower[7] = 19;
 826
 827         range->num_txpower = 8;
 828         range->txpower_capa = IW_TXPOW_DBM;
 829         range->txpower_capa |= IW_TXPOW_RANGE;
 830
 831         range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
 832                                 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
 833                                 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
 834         range->event_capa[1] = IW_EVENT_CAPA_K_1;
 835
 836         if (adapter->fwcapinfo & FW_CAPINFO_WPA) {
 837                 range->enc_capa =   IW_ENC_CAPA_WPA
 838                                   | IW_ENC_CAPA_WPA2
 839                                   | IW_ENC_CAPA_CIPHER_TKIP
 840                                   | IW_ENC_CAPA_CIPHER_CCMP;
 841         }
 842
 843 out:
 844         lbs_deb_leave(LBS_DEB_WEXT);
 845         return 0;
 846 }
 847
 848 static int wlan_set_power(struct net_device *dev, struct iw_request_info *info,
 849                           struct iw_param *vwrq, char *extra)
 850 {
 851         wlan_private *priv = dev->priv;
 852         wlan_adapter *adapter = priv->adapter;
 853
 854         lbs_deb_enter(LBS_DEB_WEXT);
 855
 856         /* PS is currently supported only in Infrastructure mode
 857          * Remove this check if it is to be supported in IBSS mode also
 858          */
 859
 860         if (vwrq->disabled) {
 861                 adapter->psmode = wlan802_11powermodecam;
 862                 if (adapter->psstate != PS_STATE_FULL_POWER) {
 863                         libertas_ps_wakeup(priv, cmd_option_waitforrsp);
 864                 }
 865
 866                 return 0;
 867         }
 868
 869         if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
 870                 lbs_deb_wext(
 871                        "setting power timeout is not supported\n");
 872                 return -EINVAL;
 873         } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
 874                 lbs_deb_wext("setting power period not supported\n");
 875                 return -EINVAL;
 876         }
 877
 878         if (adapter->psmode != wlan802_11powermodecam) {
 879                 return 0;
 880         }
 881
 882         adapter->psmode = wlan802_11powermodemax_psp;
 883
 884         if (adapter->connect_status == libertas_connected) {
 885                 libertas_ps_sleep(priv, cmd_option_waitforrsp);
 886         }
 887
 888         lbs_deb_leave(LBS_DEB_WEXT);
 889         return 0;
 890 }
 891
 892 static int wlan_get_power(struct net_device *dev, struct iw_request_info *info,
 893                           struct iw_param *vwrq, char *extra)
 894 {
 895         wlan_private *priv = dev->priv;
 896         wlan_adapter *adapter = priv->adapter;
 897         int mode;
 898
 899         lbs_deb_enter(LBS_DEB_WEXT);
 900
 901         mode = adapter->psmode;
 902
 903         if ((vwrq->disabled = (mode == wlan802_11powermodecam))
 904             || adapter->connect_status == libertas_disconnected)
 905         {
 906                 goto out;
 907         }
 908
 909         vwrq->value = 0;
 910
 911 out:
 912         lbs_deb_leave(LBS_DEB_WEXT);
 913         return 0;
 914 }
 915
 916 static struct iw_statistics *wlan_get_wireless_stats(struct net_device *dev)
 917 {
 918         enum {
 919                 POOR = 30,
 920                 FAIR = 60,
 921                 GOOD = 80,
 922                 VERY_GOOD = 90,
 923                 EXCELLENT = 95,
 924                 PERFECT = 100
 925         };
 926         wlan_private *priv = dev->priv;
 927         wlan_adapter *adapter = priv->adapter;
 928         u32 rssi_qual;
 929         u32 tx_qual;
 930         u32 quality = 0;
 931         int stats_valid = 0;
 932         u8 rssi;
 933         u32 tx_retries;
 934
 935         lbs_deb_enter(LBS_DEB_WEXT);
 936
 937         priv->wstats.status = adapter->mode;
 938
 939         /* If we're not associated, all quality values are meaningless */
 940         if (adapter->connect_status != libertas_connected)
 941                 goto out;
 942
 943         /* Quality by RSSI */
 944         priv->wstats.qual.level =
 945             CAL_RSSI(adapter->SNR[TYPE_BEACON][TYPE_NOAVG],
 946              adapter->NF[TYPE_BEACON][TYPE_NOAVG]);
 947
 948         if (adapter->NF[TYPE_BEACON][TYPE_NOAVG] == 0) {
 949                 priv->wstats.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
 950         } else {
 951                 priv->wstats.qual.noise =
 952                     CAL_NF(adapter->NF[TYPE_BEACON][TYPE_NOAVG]);
 953         }
 954
 955         lbs_deb_wext("signal level %#x\n", priv->wstats.qual.level);
 956         lbs_deb_wext("noise %#x\n", priv->wstats.qual.noise);
 957
 958         rssi = priv->wstats.qual.level - priv->wstats.qual.noise;
 959         if (rssi < 15)
 960                 rssi_qual = rssi * POOR / 10;
 961         else if (rssi < 20)
 962                 rssi_qual = (rssi - 15) * (FAIR - POOR) / 5 + POOR;
 963         else if (rssi < 30)
 964                 rssi_qual = (rssi - 20) * (GOOD - FAIR) / 5 + FAIR;
 965         else if (rssi < 40)
 966                 rssi_qual = (rssi - 30) * (VERY_GOOD - GOOD) /
 967                     10 + GOOD;
 968         else
 969                 rssi_qual = (rssi - 40) * (PERFECT - VERY_GOOD) /
 970                     10 + VERY_GOOD;
 971         quality = rssi_qual;
 972
 973         /* Quality by TX errors */
 974         priv->wstats.discard.retries = priv->stats.tx_errors;
 975
 976         tx_retries = le16_to_cpu(adapter->logmsg.retry);
 977
 978         if (tx_retries > 75)
 979                 tx_qual = (90 - tx_retries) * POOR / 15;
 980         else if (tx_retries > 70)
 981                 tx_qual = (75 - tx_retries) * (FAIR - POOR) / 5 + POOR;
 982         else if (tx_retries > 65)
 983                 tx_qual = (70 - tx_retries) * (GOOD - FAIR) / 5 + FAIR;
 984         else if (tx_retries > 50)
 985                 tx_qual = (65 - tx_retries) * (VERY_GOOD - GOOD) /
 986                     15 + GOOD;
 987         else
 988                 tx_qual = (50 - tx_retries) *
 989                     (PERFECT - VERY_GOOD) / 50 + VERY_GOOD;
 990         quality = min(quality, tx_qual);
 991
 992         priv->wstats.discard.code = le16_to_cpu(adapter->logmsg.wepundecryptable);
 993         priv->wstats.discard.fragment = le16_to_cpu(adapter->logmsg.rxfrag);
 994         priv->wstats.discard.retries = tx_retries;
 995         priv->wstats.discard.misc = le16_to_cpu(adapter->logmsg.ackfailure);
 996
 997         /* Calculate quality */
 998         priv->wstats.qual.qual = max(quality, (u32)100);
 999         priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
1000         stats_valid = 1;
1001
1002         /* update stats asynchronously for future calls */
1003         libertas_prepare_and_send_command(priv, cmd_802_11_rssi, 0,
1004                                         0, 0, NULL);
1005         libertas_prepare_and_send_command(priv, cmd_802_11_get_log, 0,
1006                                         0, 0, NULL);
1007 out:
1008         if (!stats_valid) {
1009                 priv->wstats.miss.beacon = 0;
1010                 priv->wstats.discard.retries = 0;
1011                 priv->wstats.qual.qual = 0;
1012                 priv->wstats.qual.level = 0;
1013                 priv->wstats.qual.noise = 0;
1014                 priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED;
1015                 priv->wstats.qual.updated |= IW_QUAL_NOISE_INVALID |
1016                     IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID;
1017         }
1018
1019         lbs_deb_leave(LBS_DEB_WEXT);
1020         return &priv->wstats;
1021
1022
1023 }
1024
1025 static int wlan_set_freq(struct net_device *dev, struct iw_request_info *info,
1026                   struct iw_freq *fwrq, char *extra)
1027 {
1028         int ret = -EINVAL;
1029         wlan_private *priv = dev->priv;
1030         wlan_adapter *adapter = priv->adapter;
1031         struct chan_freq_power *cfp;
1032         struct assoc_request * assoc_req;
1033
1034         lbs_deb_enter(LBS_DEB_WEXT);
1035
1036         mutex_lock(&adapter->lock);
1037         assoc_req = wlan_get_association_request(adapter);
1038         if (!assoc_req) {
1039                 ret = -ENOMEM;
1040                 goto out;
1041         }
1042
1043         /* If setting by frequency, convert to a channel */
1044         if (fwrq->e == 1) {
1045                 long f = fwrq->m / 100000;
1046
1047                 cfp = find_cfp_by_band_and_freq(adapter, 0, f);
1048                 if (!cfp) {
1049                         lbs_deb_wext("invalid freq %ld\n", f);
1050                         goto out;
1051                 }
1052
1053                 fwrq->e = 0;
1054                 fwrq->m = (int) cfp->channel;
1055         }
1056
1057         /* Setting by channel number */
1058         if (fwrq->m > 1000 || fwrq->e > 0) {
1059                 goto out;
1060         }
1061
1062         cfp = libertas_find_cfp_by_band_and_channel(adapter, 0, fwrq->m);
1063         if (!cfp) {
1064                 goto out;
1065         }
1066
1067         assoc_req->channel = fwrq->m;
1068         ret = 0;
1069
1070 out:
1071         if (ret == 0) {
1072                 set_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags);
1073                 wlan_postpone_association_work(priv);
1074         } else {
1075                 wlan_cancel_association_work(priv);
1076         }
1077         mutex_unlock(&adapter->lock);
1078
1079         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1080         return ret;
1081 }
1082
1083 /**
1084  *  @brief use index to get the data rate
1085  *
1086  *  @param index                The index of data rate
1087  *  @return                     data rate or 0
1088  */
1089 u32 libertas_index_to_data_rate(u8 index)
1090 {
1091         if (index >= sizeof(libertas_wlan_data_rates))
1092                 index = 0;
1093
1094         return libertas_wlan_data_rates[index];
1095 }
1096
1097 /**
1098  *  @brief use rate to get the index
1099  *
1100  *  @param rate                 data rate
1101  *  @return                     index or 0
1102  */
1103 u8 libertas_data_rate_to_index(u32 rate)
1104 {
1105         u8 *ptr;
1106
1107         if (rate)
1108                 if ((ptr = memchr(libertas_wlan_data_rates, (u8) rate,
1109                                   sizeof(libertas_wlan_data_rates))))
1110                         return (ptr - libertas_wlan_data_rates);
1111
1112         return 0;
1113 }
1114
1115 static int wlan_set_rate(struct net_device *dev, struct iw_request_info *info,
1116                   struct iw_param *vwrq, char *extra)
1117 {
1118         wlan_private *priv = dev->priv;
1119         wlan_adapter *adapter = priv->adapter;
1120         u32 data_rate;
1121         u16 action;
1122         int ret = 0;
1123         u8 rates[WLAN_SUPPORTED_RATES];
1124         u8 *rate;
1125
1126         lbs_deb_enter(LBS_DEB_WEXT);
1127
1128         lbs_deb_wext("vwrq->value %d\n", vwrq->value);
1129
1130         if (vwrq->value == -1) {
1131                 action = cmd_act_set_tx_auto;   // Auto
1132                 adapter->is_datarate_auto = 1;
1133                 adapter->datarate = 0;
1134         } else {
1135                 if (vwrq->value % 100000) {
1136                         return -EINVAL;
1137                 }
1138
1139                 data_rate = vwrq->value / 500000;
1140
1141                 memset(rates, 0, sizeof(rates));
1142                 get_active_data_rates(adapter, rates);
1143                 rate = rates;
1144                 while (*rate) {
1145                         lbs_deb_wext("rate=0x%X, wanted data_rate 0x%X\n", *rate,
1146                                data_rate);
1147                         if ((*rate & 0x7f) == (data_rate & 0x7f))
1148                                 break;
1149                         rate++;
1150                 }
1151                 if (!*rate) {
1152                         lbs_pr_alert("fixed data rate 0x%X out "
1153                                "of range\n", data_rate);
1154                         return -EINVAL;
1155                 }
1156
1157                 adapter->datarate = data_rate;
1158                 action = cmd_act_set_tx_fix_rate;
1159                 adapter->is_datarate_auto = 0;
1160         }
1161
1162         ret = libertas_prepare_and_send_command(priv, cmd_802_11_data_rate,
1163                                     action, cmd_option_waitforrsp, 0, NULL);
1164
1165         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1166         return ret;
1167 }
1168
1169 static int wlan_get_rate(struct net_device *dev, struct iw_request_info *info,
1170                   struct iw_param *vwrq, char *extra)
1171 {
1172         wlan_private *priv = dev->priv;
1173         wlan_adapter *adapter = priv->adapter;
1174
1175         lbs_deb_enter(LBS_DEB_WEXT);
1176
1177         if (adapter->is_datarate_auto) {
1178                 vwrq->fixed = 0;
1179         } else {
1180                 vwrq->fixed = 1;
1181         }
1182
1183         vwrq->value = adapter->datarate * 500000;
1184
1185         lbs_deb_leave(LBS_DEB_WEXT);
1186         return 0;
1187 }
1188
1189 static int wlan_set_mode(struct net_device *dev,
1190                   struct iw_request_info *info, u32 * uwrq, char *extra)
1191 {
1192         int ret = 0;
1193         wlan_private *priv = dev->priv;
1194         wlan_adapter *adapter = priv->adapter;
1195         struct assoc_request * assoc_req;
1196
1197         lbs_deb_enter(LBS_DEB_WEXT);
1198
1199         if (   (*uwrq != IW_MODE_ADHOC)
1200             && (*uwrq != IW_MODE_INFRA)
1201             && (*uwrq != IW_MODE_AUTO)) {
1202                 lbs_deb_wext("Invalid mode: 0x%x\n", *uwrq);
1203                 ret = -EINVAL;
1204                 goto out;
1205         }
1206
1207         mutex_lock(&adapter->lock);
1208         assoc_req = wlan_get_association_request(adapter);
1209         if (!assoc_req) {
1210                 ret = -ENOMEM;
1211                 wlan_cancel_association_work(priv);
1212         } else {
1213                 assoc_req->mode = *uwrq;
1214                 set_bit(ASSOC_FLAG_MODE, &assoc_req->flags);
1215                 wlan_postpone_association_work(priv);
1216                 lbs_deb_wext("Switching to mode: 0x%x\n", *uwrq);
1217         }
1218         mutex_unlock(&adapter->lock);
1219
1220 out:
1221         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1222         return ret;
1223 }
1224
1225
1226 /**
1227  *  @brief Get Encryption key
1228  *
1229  *  @param dev                  A pointer to net_device structure
1230  *  @param info                 A pointer to iw_request_info structure
1231  *  @param vwrq                 A pointer to iw_param structure
1232  *  @param extra                A pointer to extra data buf
1233  *  @return                     0 --success, otherwise fail
1234  */
1235 static int wlan_get_encode(struct net_device *dev,
1236                            struct iw_request_info *info,
1237                            struct iw_point *dwrq, u8 * extra)
1238 {
1239         wlan_private *priv = dev->priv;
1240         wlan_adapter *adapter = priv->adapter;
1241         int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1242
1243         lbs_deb_enter(LBS_DEB_WEXT);
1244
1245         lbs_deb_wext("flags 0x%x, index %d, length %d, wep_tx_keyidx %d\n",
1246                dwrq->flags, index, dwrq->length, adapter->wep_tx_keyidx);
1247
1248         dwrq->flags = 0;
1249
1250         /* Authentication method */
1251         switch (adapter->secinfo.auth_mode) {
1252         case IW_AUTH_ALG_OPEN_SYSTEM:
1253                 dwrq->flags = IW_ENCODE_OPEN;
1254                 break;
1255
1256         case IW_AUTH_ALG_SHARED_KEY:
1257         case IW_AUTH_ALG_LEAP:
1258                 dwrq->flags = IW_ENCODE_RESTRICTED;
1259                 break;
1260         default:
1261                 dwrq->flags = IW_ENCODE_DISABLED | IW_ENCODE_OPEN;
1262                 break;
1263         }
1264
1265         if (   adapter->secinfo.wep_enabled
1266             || adapter->secinfo.WPAenabled
1267             || adapter->secinfo.WPA2enabled) {
1268                 dwrq->flags &= ~IW_ENCODE_DISABLED;
1269         } else {
1270                 dwrq->flags |= IW_ENCODE_DISABLED;
1271         }
1272
1273         memset(extra, 0, 16);
1274
1275         mutex_lock(&adapter->lock);
1276
1277         /* Default to returning current transmit key */
1278         if (index < 0)
1279                 index = adapter->wep_tx_keyidx;
1280
1281         if ((adapter->wep_keys[index].len) && adapter->secinfo.wep_enabled) {
1282                 memcpy(extra, adapter->wep_keys[index].key,
1283                        adapter->wep_keys[index].len);
1284                 dwrq->length = adapter->wep_keys[index].len;
1285
1286                 dwrq->flags |= (index + 1);
1287                 /* Return WEP enabled */
1288                 dwrq->flags &= ~IW_ENCODE_DISABLED;
1289         } else if ((adapter->secinfo.WPAenabled)
1290                    || (adapter->secinfo.WPA2enabled)) {
1291                 /* return WPA enabled */
1292                 dwrq->flags &= ~IW_ENCODE_DISABLED;
1293         } else {
1294                 dwrq->flags |= IW_ENCODE_DISABLED;
1295         }
1296
1297         mutex_unlock(&adapter->lock);
1298
1299         dwrq->flags |= IW_ENCODE_NOKEY;
1300
1301         lbs_deb_wext("key: " MAC_FMT ", keylen %d\n",
1302                extra[0], extra[1], extra[2],
1303                extra[3], extra[4], extra[5], dwrq->length);
1304
1305         lbs_deb_wext("return flags 0x%x\n", dwrq->flags);
1306
1307         lbs_deb_leave(LBS_DEB_WEXT);
1308         return 0;
1309 }
1310
1311 /**
1312  *  @brief Set Encryption key (internal)
1313  *
1314  *  @param priv                 A pointer to private card structure
1315  *  @param key_material         A pointer to key material
1316  *  @param key_length           length of key material
1317  *  @param index                key index to set
1318  *  @param set_tx_key           Force set TX key (1 = yes, 0 = no)
1319  *  @return                     0 --success, otherwise fail
1320  */
1321 static int wlan_set_wep_key(struct assoc_request *assoc_req,
1322                             const char *key_material,
1323                             u16 key_length,
1324                             u16 index,
1325                             int set_tx_key)
1326 {
1327         int ret = 0;
1328         struct WLAN_802_11_KEY *pkey;
1329
1330         lbs_deb_enter(LBS_DEB_WEXT);
1331
1332         /* Paranoid validation of key index */
1333         if (index > 3) {
1334                 ret = -EINVAL;
1335                 goto out;
1336         }
1337
1338         /* validate max key length */
1339         if (key_length > KEY_LEN_WEP_104) {
1340                 ret = -EINVAL;
1341                 goto out;
1342         }
1343
1344         pkey = &assoc_req->wep_keys[index];
1345
1346         if (key_length > 0) {
1347                 memset(pkey, 0, sizeof(struct WLAN_802_11_KEY));
1348                 pkey->type = KEY_TYPE_ID_WEP;
1349
1350                 /* Standardize the key length */
1351                 pkey->len = (key_length > KEY_LEN_WEP_40) ?
1352                                 KEY_LEN_WEP_104 : KEY_LEN_WEP_40;
1353                 memcpy(pkey->key, key_material, key_length);
1354         }
1355
1356         if (set_tx_key) {
1357                 /* Ensure the chosen key is valid */
1358                 if (!pkey->len) {
1359                         lbs_deb_wext("key not set, so cannot enable it\n");
1360                         ret = -EINVAL;
1361                         goto out;
1362                 }
1363                 assoc_req->wep_tx_keyidx = index;
1364         }
1365
1366         assoc_req->secinfo.wep_enabled = 1;
1367
1368 out:
1369         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1370         return ret;
1371 }
1372
1373 static int validate_key_index(u16 def_index, u16 raw_index,
1374                               u16 *out_index, u16 *is_default)
1375 {
1376         if (!out_index || !is_default)
1377                 return -EINVAL;
1378
1379         /* Verify index if present, otherwise use default TX key index */
1380         if (raw_index > 0) {
1381                 if (raw_index > 4)
1382                         return -EINVAL;
1383                 *out_index = raw_index - 1;
1384         } else {
1385                 *out_index = def_index;
1386                 *is_default = 1;
1387         }
1388         return 0;
1389 }
1390
1391 static void disable_wep(struct assoc_request *assoc_req)
1392 {
1393         int i;
1394
1395         lbs_deb_enter(LBS_DEB_WEXT);
1396
1397         /* Set Open System auth mode */
1398         assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1399
1400         /* Clear WEP keys and mark WEP as disabled */
1401         assoc_req->secinfo.wep_enabled = 0;
1402         for (i = 0; i < 4; i++)
1403                 assoc_req->wep_keys[i].len = 0;
1404
1405         set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1406         set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1407
1408         lbs_deb_leave(LBS_DEB_WEXT);
1409 }
1410
1411 static void disable_wpa(struct assoc_request *assoc_req)
1412 {
1413         lbs_deb_enter(LBS_DEB_WEXT);
1414
1415         memset(&assoc_req->wpa_mcast_key, 0, sizeof (struct WLAN_802_11_KEY));
1416         assoc_req->wpa_mcast_key.flags = KEY_INFO_WPA_MCAST;
1417         set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
1418
1419         memset(&assoc_req->wpa_unicast_key, 0, sizeof (struct WLAN_802_11_KEY));
1420         assoc_req->wpa_unicast_key.flags = KEY_INFO_WPA_UNICAST;
1421         set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
1422
1423         assoc_req->secinfo.WPAenabled = 0;
1424         assoc_req->secinfo.WPA2enabled = 0;
1425         set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1426
1427         lbs_deb_leave(LBS_DEB_WEXT);
1428 }
1429
1430 /**
1431  *  @brief Set Encryption key
1432  *
1433  *  @param dev                  A pointer to net_device structure
1434  *  @param info                 A pointer to iw_request_info structure
1435  *  @param vwrq                 A pointer to iw_param structure
1436  *  @param extra                A pointer to extra data buf
1437  *  @return                     0 --success, otherwise fail
1438  */
1439 static int wlan_set_encode(struct net_device *dev,
1440                     struct iw_request_info *info,
1441                     struct iw_point *dwrq, char *extra)
1442 {
1443         int ret = 0;
1444         wlan_private *priv = dev->priv;
1445         wlan_adapter *adapter = priv->adapter;
1446         struct assoc_request * assoc_req;
1447         u16 is_default = 0, index = 0, set_tx_key = 0;
1448
1449         lbs_deb_enter(LBS_DEB_WEXT);
1450
1451         mutex_lock(&adapter->lock);
1452         assoc_req = wlan_get_association_request(adapter);
1453         if (!assoc_req) {
1454                 ret = -ENOMEM;
1455                 goto out;
1456         }
1457
1458         if (dwrq->flags & IW_ENCODE_DISABLED) {
1459                 disable_wep (assoc_req);
1460                 disable_wpa (assoc_req);
1461                 goto out;
1462         }
1463
1464         ret = validate_key_index(assoc_req->wep_tx_keyidx,
1465                                  (dwrq->flags & IW_ENCODE_INDEX),
1466                                  &index, &is_default);
1467         if (ret) {
1468                 ret = -EINVAL;
1469                 goto out;
1470         }
1471
1472         /* If WEP isn't enabled, or if there is no key data but a valid
1473          * index, set the TX key.
1474          */
1475         if (!assoc_req->secinfo.wep_enabled || (dwrq->length == 0 && !is_default))
1476                 set_tx_key = 1;
1477
1478         ret = wlan_set_wep_key(assoc_req, extra, dwrq->length, index, set_tx_key);
1479         if (ret)
1480                 goto out;
1481
1482         if (dwrq->length)
1483                 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1484         if (set_tx_key)
1485                 set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
1486
1487         if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1488                 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1489         } else if (dwrq->flags & IW_ENCODE_OPEN) {
1490                 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1491         }
1492
1493 out:
1494         if (ret == 0) {
1495                 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1496                 wlan_postpone_association_work(priv);
1497         } else {
1498                 wlan_cancel_association_work(priv);
1499         }
1500         mutex_unlock(&adapter->lock);
1501
1502         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1503         return ret;
1504 }
1505
1506 /**
1507  *  @brief Get Extended Encryption key (WPA/802.1x and WEP)
1508  *
1509  *  @param dev                  A pointer to net_device structure
1510  *  @param info                 A pointer to iw_request_info structure
1511  *  @param vwrq                 A pointer to iw_param structure
1512  *  @param extra                A pointer to extra data buf
1513  *  @return                     0 on success, otherwise failure
1514  */
1515 static int wlan_get_encodeext(struct net_device *dev,
1516                               struct iw_request_info *info,
1517                               struct iw_point *dwrq,
1518                               char *extra)
1519 {
1520         int ret = -EINVAL;
1521         wlan_private *priv = dev->priv;
1522         wlan_adapter *adapter = priv->adapter;
1523         struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1524         int index, max_key_len;
1525
1526         lbs_deb_enter(LBS_DEB_WEXT);
1527
1528         max_key_len = dwrq->length - sizeof(*ext);
1529         if (max_key_len < 0)
1530                 goto out;
1531
1532         index = dwrq->flags & IW_ENCODE_INDEX;
1533         if (index) {
1534                 if (index < 1 || index > 4)
1535                         goto out;
1536                 index--;
1537         } else {
1538                 index = adapter->wep_tx_keyidx;
1539         }
1540
1541         if (!ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY &&
1542             ext->alg != IW_ENCODE_ALG_WEP) {
1543                 if (index != 0 || adapter->mode != IW_MODE_INFRA)
1544                         goto out;
1545         }
1546
1547         dwrq->flags = index + 1;
1548         memset(ext, 0, sizeof(*ext));
1549
1550         if (   !adapter->secinfo.wep_enabled
1551             && !adapter->secinfo.WPAenabled
1552             && !adapter->secinfo.WPA2enabled) {
1553                 ext->alg = IW_ENCODE_ALG_NONE;
1554                 ext->key_len = 0;
1555                 dwrq->flags |= IW_ENCODE_DISABLED;
1556         } else {
1557                 u8 *key = NULL;
1558
1559                 if (   adapter->secinfo.wep_enabled
1560                     && !adapter->secinfo.WPAenabled
1561                     && !adapter->secinfo.WPA2enabled) {
1562                         /* WEP */
1563                         ext->alg = IW_ENCODE_ALG_WEP;
1564                         ext->key_len = adapter->wep_keys[index].len;
1565                         key = &adapter->wep_keys[index].key[0];
1566                 } else if (   !adapter->secinfo.wep_enabled
1567                            && (adapter->secinfo.WPAenabled ||
1568                                adapter->secinfo.WPA2enabled)) {
1569                         /* WPA */
1570                         struct WLAN_802_11_KEY * pkey = NULL;
1571
1572                         if (   adapter->wpa_mcast_key.len
1573                             && (adapter->wpa_mcast_key.flags & KEY_INFO_WPA_ENABLED))
1574                                 pkey = &adapter->wpa_mcast_key;
1575                         else if (   adapter->wpa_unicast_key.len
1576                                  && (adapter->wpa_unicast_key.flags & KEY_INFO_WPA_ENABLED))
1577                                 pkey = &adapter->wpa_unicast_key;
1578
1579                         if (pkey) {
1580                                 if (pkey->type == KEY_TYPE_ID_AES) {
1581                                         ext->alg = IW_ENCODE_ALG_CCMP;
1582                                 } else {
1583                                         ext->alg = IW_ENCODE_ALG_TKIP;
1584                                 }
1585                                 ext->key_len = pkey->len;
1586                                 key = &pkey->key[0];
1587                         } else {
1588                                 ext->alg = IW_ENCODE_ALG_TKIP;
1589                                 ext->key_len = 0;
1590                         }
1591                 } else {
1592                         goto out;
1593                 }
1594
1595                 if (ext->key_len > max_key_len) {
1596                         ret = -E2BIG;
1597                         goto out;
1598                 }
1599
1600                 if (ext->key_len)
1601                         memcpy(ext->key, key, ext->key_len);
1602                 else
1603                         dwrq->flags |= IW_ENCODE_NOKEY;
1604                 dwrq->flags |= IW_ENCODE_ENABLED;
1605         }
1606         ret = 0;
1607
1608 out:
1609         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1610         return ret;
1611 }
1612
1613 /**
1614  *  @brief Set Encryption key Extended (WPA/802.1x and WEP)
1615  *
1616  *  @param dev                  A pointer to net_device structure
1617  *  @param info                 A pointer to iw_request_info structure
1618  *  @param vwrq                 A pointer to iw_param structure
1619  *  @param extra                A pointer to extra data buf
1620  *  @return                     0 --success, otherwise fail
1621  */
1622 static int wlan_set_encodeext(struct net_device *dev,
1623                               struct iw_request_info *info,
1624                               struct iw_point *dwrq,
1625                               char *extra)
1626 {
1627         int ret = 0;
1628         wlan_private *priv = dev->priv;
1629         wlan_adapter *adapter = priv->adapter;
1630         struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1631         int alg = ext->alg;
1632         struct assoc_request * assoc_req;
1633
1634         lbs_deb_enter(LBS_DEB_WEXT);
1635
1636         mutex_lock(&adapter->lock);
1637         assoc_req = wlan_get_association_request(adapter);
1638         if (!assoc_req) {
1639                 ret = -ENOMEM;
1640                 goto out;
1641         }
1642
1643         if ((alg == IW_ENCODE_ALG_NONE) || (dwrq->flags & IW_ENCODE_DISABLED)) {
1644                 disable_wep (assoc_req);
1645                 disable_wpa (assoc_req);
1646         } else if (alg == IW_ENCODE_ALG_WEP) {
1647                 u16 is_default = 0, index, set_tx_key = 0;
1648
1649                 ret = validate_key_index(assoc_req->wep_tx_keyidx,
1650                                          (dwrq->flags & IW_ENCODE_INDEX),
1651                                          &index, &is_default);
1652                 if (ret)
1653                         goto out;
1654
1655                 /* If WEP isn't enabled, or if there is no key data but a valid
1656                  * index, or if the set-TX-key flag was passed, set the TX key.
1657                  */
1658                 if (   !assoc_req->secinfo.wep_enabled
1659                     || (dwrq->length == 0 && !is_default)
1660                     || (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY))
1661                         set_tx_key = 1;
1662
1663                 /* Copy key to driver */
1664                 ret = wlan_set_wep_key (assoc_req, ext->key, ext->key_len, index,
1665                                         set_tx_key);
1666                 if (ret)
1667                         goto out;
1668
1669                 if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1670                         assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1671                 } else if (dwrq->flags & IW_ENCODE_OPEN) {
1672                         assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1673                 }
1674
1675                 /* Mark the various WEP bits as modified */
1676                 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1677                 if (dwrq->length)
1678                         set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1679                 if (set_tx_key)
1680                         set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
1681         } else if ((alg == IW_ENCODE_ALG_TKIP) || (alg == IW_ENCODE_ALG_CCMP)) {
1682                 struct WLAN_802_11_KEY * pkey;
1683
1684                 /* validate key length */
1685                 if (((alg == IW_ENCODE_ALG_TKIP)
1686                         && (ext->key_len != KEY_LEN_WPA_TKIP))
1687                     || ((alg == IW_ENCODE_ALG_CCMP)
1688                         && (ext->key_len != KEY_LEN_WPA_AES))) {
1689                                 lbs_deb_wext("invalid size %d for key of alg"
1690                                        "type %d\n",
1691                                        ext->key_len,
1692                                        alg);
1693                                 ret = -EINVAL;
1694                                 goto out;
1695                 }
1696
1697                 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1698                         pkey = &assoc_req->wpa_mcast_key;
1699                         set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
1700                 } else {
1701                         pkey = &assoc_req->wpa_unicast_key;
1702                         set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
1703                 }
1704
1705                 memset(pkey, 0, sizeof (struct WLAN_802_11_KEY));
1706                 memcpy(pkey->key, ext->key, ext->key_len);
1707                 pkey->len = ext->key_len;
1708                 if (pkey->len)
1709                         pkey->flags |= KEY_INFO_WPA_ENABLED;
1710
1711                 /* Do this after zeroing key structure */
1712                 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1713                         pkey->flags |= KEY_INFO_WPA_MCAST;
1714                 } else {
1715                         pkey->flags |= KEY_INFO_WPA_UNICAST;
1716                 }
1717
1718                 if (alg == IW_ENCODE_ALG_TKIP) {
1719                         pkey->type = KEY_TYPE_ID_TKIP;
1720                 } else if (alg == IW_ENCODE_ALG_CCMP) {
1721                         pkey->type = KEY_TYPE_ID_AES;
1722                 } else {
1723                         ret = -EINVAL;
1724                         goto out;
1725                 }
1726
1727                 /* If WPA isn't enabled yet, do that now */
1728                 if (   assoc_req->secinfo.WPAenabled == 0
1729                     && assoc_req->secinfo.WPA2enabled == 0) {
1730                         assoc_req->secinfo.WPAenabled = 1;
1731                         assoc_req->secinfo.WPA2enabled = 1;
1732                         set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1733                 }
1734
1735                 disable_wep (assoc_req);
1736         }
1737
1738 out:
1739         if (ret == 0) {
1740                 wlan_postpone_association_work(priv);
1741         } else {
1742                 wlan_cancel_association_work(priv);
1743         }
1744         mutex_unlock(&adapter->lock);
1745
1746         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1747         return ret;
1748 }
1749
1750
1751 static int wlan_set_genie(struct net_device *dev,
1752                           struct iw_request_info *info,
1753                           struct iw_point *dwrq,
1754                           char *extra)
1755 {
1756         wlan_private *priv = dev->priv;
1757         wlan_adapter *adapter = priv->adapter;
1758         int ret = 0;
1759         struct assoc_request * assoc_req;
1760
1761         lbs_deb_enter(LBS_DEB_WEXT);
1762
1763         mutex_lock(&adapter->lock);
1764         assoc_req = wlan_get_association_request(adapter);
1765         if (!assoc_req) {
1766                 ret = -ENOMEM;
1767                 goto out;
1768         }
1769
1770         if (dwrq->length > MAX_WPA_IE_LEN ||
1771             (dwrq->length && extra == NULL)) {
1772                 ret = -EINVAL;
1773                 goto out;
1774         }
1775
1776         if (dwrq->length) {
1777                 memcpy(&assoc_req->wpa_ie[0], extra, dwrq->length);
1778                 assoc_req->wpa_ie_len = dwrq->length;
1779         } else {
1780                 memset(&assoc_req->wpa_ie[0], 0, sizeof(adapter->wpa_ie));
1781                 assoc_req->wpa_ie_len = 0;
1782         }
1783
1784 out:
1785         if (ret == 0) {
1786                 set_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags);
1787                 wlan_postpone_association_work(priv);
1788         } else {
1789                 wlan_cancel_association_work(priv);
1790         }
1791         mutex_unlock(&adapter->lock);
1792
1793         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1794         return ret;
1795 }
1796
1797 static int wlan_get_genie(struct net_device *dev,
1798                           struct iw_request_info *info,
1799                           struct iw_point *dwrq,
1800                           char *extra)
1801 {
1802         int ret = 0;
1803         wlan_private *priv = dev->priv;
1804         wlan_adapter *adapter = priv->adapter;
1805
1806         lbs_deb_enter(LBS_DEB_WEXT);
1807
1808         if (adapter->wpa_ie_len == 0) {
1809                 dwrq->length = 0;
1810                 goto out;
1811         }
1812
1813         if (dwrq->length < adapter->wpa_ie_len) {
1814                 ret = -E2BIG;
1815                 goto out;
1816         }
1817
1818         dwrq->length = adapter->wpa_ie_len;
1819         memcpy(extra, &adapter->wpa_ie[0], adapter->wpa_ie_len);
1820
1821 out:
1822         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1823         return ret;
1824 }
1825
1826
1827 static int wlan_set_auth(struct net_device *dev,
1828                          struct iw_request_info *info,
1829                          struct iw_param *dwrq,
1830                          char *extra)
1831 {
1832         wlan_private *priv = dev->priv;
1833         wlan_adapter *adapter = priv->adapter;
1834         struct assoc_request * assoc_req;
1835         int ret = 0;
1836         int updated = 0;
1837
1838         lbs_deb_enter(LBS_DEB_WEXT);
1839
1840         mutex_lock(&adapter->lock);
1841         assoc_req = wlan_get_association_request(adapter);
1842         if (!assoc_req) {
1843                 ret = -ENOMEM;
1844                 goto out;
1845         }
1846
1847         switch (dwrq->flags & IW_AUTH_INDEX) {
1848         case IW_AUTH_TKIP_COUNTERMEASURES:
1849         case IW_AUTH_CIPHER_PAIRWISE:
1850         case IW_AUTH_CIPHER_GROUP:
1851         case IW_AUTH_KEY_MGMT:
1852         case IW_AUTH_DROP_UNENCRYPTED:
1853                 /*
1854                  * libertas does not use these parameters
1855                  */
1856                 break;
1857
1858         case IW_AUTH_WPA_VERSION:
1859                 if (dwrq->value & IW_AUTH_WPA_VERSION_DISABLED) {
1860                         assoc_req->secinfo.WPAenabled = 0;
1861                         assoc_req->secinfo.WPA2enabled = 0;
1862                         disable_wpa (assoc_req);
1863                 }
1864                 if (dwrq->value & IW_AUTH_WPA_VERSION_WPA) {
1865                         assoc_req->secinfo.WPAenabled = 1;
1866                         assoc_req->secinfo.wep_enabled = 0;
1867                         assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1868                 }
1869                 if (dwrq->value & IW_AUTH_WPA_VERSION_WPA2) {
1870                         assoc_req->secinfo.WPA2enabled = 1;
1871                         assoc_req->secinfo.wep_enabled = 0;
1872                         assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1873                 }
1874                 updated = 1;
1875                 break;
1876
1877         case IW_AUTH_80211_AUTH_ALG:
1878                 if (dwrq->value & IW_AUTH_ALG_SHARED_KEY) {
1879                         assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1880                 } else if (dwrq->value & IW_AUTH_ALG_OPEN_SYSTEM) {
1881                         assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1882                 } else if (dwrq->value & IW_AUTH_ALG_LEAP) {
1883                         assoc_req->secinfo.auth_mode = IW_AUTH_ALG_LEAP;
1884                 } else {
1885                         ret = -EINVAL;
1886                 }
1887                 updated = 1;
1888                 break;
1889
1890         case IW_AUTH_WPA_ENABLED:
1891                 if (dwrq->value) {
1892                         if (!assoc_req->secinfo.WPAenabled &&
1893                             !assoc_req->secinfo.WPA2enabled) {
1894                                 assoc_req->secinfo.WPAenabled = 1;
1895                                 assoc_req->secinfo.WPA2enabled = 1;
1896                                 assoc_req->secinfo.wep_enabled = 0;
1897                                 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1898                         }
1899                 } else {
1900                         assoc_req->secinfo.WPAenabled = 0;
1901                         assoc_req->secinfo.WPA2enabled = 0;
1902                         disable_wpa (assoc_req);
1903                 }
1904                 updated = 1;
1905                 break;
1906
1907         default:
1908                 ret = -EOPNOTSUPP;
1909                 break;
1910         }
1911
1912 out:
1913         if (ret == 0) {
1914                 if (updated)
1915                         set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1916                 wlan_postpone_association_work(priv);
1917         } else if (ret != -EOPNOTSUPP) {
1918                 wlan_cancel_association_work(priv);
1919         }
1920         mutex_unlock(&adapter->lock);
1921
1922         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1923         return ret;
1924 }
1925
1926 static int wlan_get_auth(struct net_device *dev,
1927                          struct iw_request_info *info,
1928                          struct iw_param *dwrq,
1929                          char *extra)
1930 {
1931         int ret = 0;
1932         wlan_private *priv = dev->priv;
1933         wlan_adapter *adapter = priv->adapter;
1934
1935         lbs_deb_enter(LBS_DEB_WEXT);
1936
1937         switch (dwrq->flags & IW_AUTH_INDEX) {
1938         case IW_AUTH_WPA_VERSION:
1939                 dwrq->value = 0;
1940                 if (adapter->secinfo.WPAenabled)
1941                         dwrq->value |= IW_AUTH_WPA_VERSION_WPA;
1942                 if (adapter->secinfo.WPA2enabled)
1943                         dwrq->value |= IW_AUTH_WPA_VERSION_WPA2;
1944                 if (!dwrq->value)
1945                         dwrq->value |= IW_AUTH_WPA_VERSION_DISABLED;
1946                 break;
1947
1948         case IW_AUTH_80211_AUTH_ALG:
1949                 dwrq->value = adapter->secinfo.auth_mode;
1950                 break;
1951
1952         case IW_AUTH_WPA_ENABLED:
1953                 if (adapter->secinfo.WPAenabled && adapter->secinfo.WPA2enabled)
1954                         dwrq->value = 1;
1955                 break;
1956
1957         default:
1958                 ret = -EOPNOTSUPP;
1959         }
1960
1961         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1962         return ret;
1963 }
1964
1965
1966 static int wlan_set_txpow(struct net_device *dev, struct iw_request_info *info,
1967                    struct iw_param *vwrq, char *extra)
1968 {
1969         int ret = 0;
1970         wlan_private *priv = dev->priv;
1971         wlan_adapter *adapter = priv->adapter;
1972
1973         u16 dbm;
1974
1975         lbs_deb_enter(LBS_DEB_WEXT);
1976
1977         if (vwrq->disabled) {
1978                 wlan_radio_ioctl(priv, RADIO_OFF);
1979                 return 0;
1980         }
1981
1982         adapter->preamble = cmd_type_auto_preamble;
1983
1984         wlan_radio_ioctl(priv, RADIO_ON);
1985
1986         if ((vwrq->flags & IW_TXPOW_TYPE) == IW_TXPOW_MWATT) {
1987                 dbm = (u16) mw_to_dbm(vwrq->value);
1988         } else
1989                 dbm = (u16) vwrq->value;
1990
1991         /* auto tx power control */
1992
1993         if (vwrq->fixed == 0)
1994                 dbm = 0xffff;
1995
1996         lbs_deb_wext("txpower set %d dbm\n", dbm);
1997
1998         ret = libertas_prepare_and_send_command(priv,
1999                                     cmd_802_11_rf_tx_power,
2000                                     cmd_act_tx_power_opt_set_low,
2001                                     cmd_option_waitforrsp, 0, (void *)&dbm);
2002
2003         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
2004         return ret;
2005 }
2006
2007 static int wlan_get_essid(struct net_device *dev, struct iw_request_info *info,
2008                    struct iw_point *dwrq, char *extra)
2009 {
2010         wlan_private *priv = dev->priv;
2011         wlan_adapter *adapter = priv->adapter;
2012
2013         lbs_deb_enter(LBS_DEB_WEXT);
2014
2015         /*
2016          * Note : if dwrq->flags != 0, we should get the relevant SSID from
2017          * the SSID list...
2018          */
2019
2020         /*
2021          * Get the current SSID
2022          */
2023         if (adapter->connect_status == libertas_connected) {
2024                 memcpy(extra, adapter->curbssparams.ssid,
2025                        adapter->curbssparams.ssid_len);
2026                 extra[adapter->curbssparams.ssid_len] = '\0';
2027         } else {
2028                 memset(extra, 0, 32);
2029                 extra[adapter->curbssparams.ssid_len] = '\0';
2030         }
2031         /*
2032          * If none, we may want to get the one that was set
2033          */
2034
2035         /* To make the driver backward compatible with WPA supplicant v0.2.4 */
2036         if (dwrq->length == 32) /* check with WPA supplicant buffer size */
2037                 dwrq->length = min_t(size_t, adapter->curbssparams.ssid_len,
2038                                    IW_ESSID_MAX_SIZE);
2039         else
2040                 dwrq->length = adapter->curbssparams.ssid_len + 1;
2041
2042         dwrq->flags = 1;        /* active */
2043
2044         lbs_deb_leave(LBS_DEB_WEXT);
2045         return 0;
2046 }
2047
2048 static int wlan_set_essid(struct net_device *dev, struct iw_request_info *info,
2049                    struct iw_point *dwrq, char *extra)
2050 {
2051         wlan_private *priv = dev->priv;
2052         wlan_adapter *adapter = priv->adapter;
2053         int ret = 0;
2054         u8 ssid[IW_ESSID_MAX_SIZE];
2055         u8 ssid_len = 0;
2056         struct assoc_request * assoc_req;
2057         int in_ssid_len = dwrq->length;
2058
2059         lbs_deb_enter(LBS_DEB_WEXT);
2060
2061         /*
2062          * WE-20 and earlier NULL pad the end of the SSID and increment
2063          * SSID length so it can be used like a string.  WE-21 and later don't,
2064          * but some userspace tools aren't able to cope with the change.
2065          */
2066         if ((in_ssid_len > 0) && (extra[in_ssid_len - 1] == '\0'))
2067                 in_ssid_len--;
2068
2069         /* Check the size of the string */
2070         if (in_ssid_len > IW_ESSID_MAX_SIZE) {
2071                 ret = -E2BIG;
2072                 goto out;
2073         }
2074
2075         memset(&ssid, 0, sizeof(ssid));
2076
2077         if (!dwrq->flags || !in_ssid_len) {
2078                 /* "any" SSID requested; leave SSID blank */
2079         } else {
2080                 /* Specific SSID requested */
2081                 memcpy(&ssid, extra, in_ssid_len);
2082                 ssid_len = in_ssid_len;
2083         }
2084
2085         if (!ssid_len) {
2086                 lbs_deb_wext("requested any SSID\n");
2087         } else {
2088                 lbs_deb_wext("requested SSID '%s'\n",
2089                              escape_essid(ssid, ssid_len));
2090         }
2091
2092 out:
2093         mutex_lock(&adapter->lock);
2094         if (ret == 0) {
2095                 /* Get or create the current association request */
2096                 assoc_req = wlan_get_association_request(adapter);
2097                 if (!assoc_req) {
2098                         ret = -ENOMEM;
2099                 } else {
2100                         /* Copy the SSID to the association request */
2101                         memcpy(&assoc_req->ssid, &ssid, IW_ESSID_MAX_SIZE);
2102                         assoc_req->ssid_len = ssid_len;
2103                         set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
2104                         wlan_postpone_association_work(priv);
2105                 }
2106         }
2107
2108         /* Cancel the association request if there was an error */
2109         if (ret != 0) {
2110                 wlan_cancel_association_work(priv);
2111         }
2112
2113         mutex_unlock(&adapter->lock);
2114
2115         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
2116         return ret;
2117 }
2118
2119 /**
2120  *  @brief Connect to the AP or Ad-hoc Network with specific bssid
2121  *
2122  *  @param dev          A pointer to net_device structure
2123  *  @param info         A pointer to iw_request_info structure
2124  *  @param awrq         A pointer to iw_param structure
2125  *  @param extra        A pointer to extra data buf
2126  *  @return             0 --success, otherwise fail
2127  */
2128 static int wlan_set_wap(struct net_device *dev, struct iw_request_info *info,
2129                  struct sockaddr *awrq, char *extra)
2130 {
2131         wlan_private *priv = dev->priv;
2132         wlan_adapter *adapter = priv->adapter;
2133         struct assoc_request * assoc_req;
2134         int ret = 0;
2135
2136         lbs_deb_enter(LBS_DEB_WEXT);
2137
2138         if (awrq->sa_family != ARPHRD_ETHER)
2139                 return -EINVAL;
2140
2141         lbs_deb_wext("ASSOC: WAP: sa_data " MAC_FMT "\n", MAC_ARG(awrq->sa_data));
2142
2143         mutex_lock(&adapter->lock);
2144
2145         /* Get or create the current association request */
2146         assoc_req = wlan_get_association_request(adapter);
2147         if (!assoc_req) {
2148                 wlan_cancel_association_work(priv);
2149                 ret = -ENOMEM;
2150         } else {
2151                 /* Copy the BSSID to the association request */
2152                 memcpy(&assoc_req->bssid, awrq->sa_data, ETH_ALEN);
2153                 set_bit(ASSOC_FLAG_BSSID, &assoc_req->flags);
2154                 wlan_postpone_association_work(priv);
2155         }
2156
2157         mutex_unlock(&adapter->lock);
2158
2159         return ret;
2160 }
2161
2162 void libertas_get_fwversion(wlan_adapter * adapter, char *fwversion, int maxlen)
2163 {
2164         char fwver[32];
2165
2166         mutex_lock(&adapter->lock);
2167
2168         if (adapter->fwreleasenumber[3] == 0)
2169                 sprintf(fwver, "%u.%u.%u",
2170                         adapter->fwreleasenumber[2],
2171                         adapter->fwreleasenumber[1],
2172                         adapter->fwreleasenumber[0]);
2173         else
2174                 sprintf(fwver, "%u.%u.%u.p%u",
2175                         adapter->fwreleasenumber[2],
2176                         adapter->fwreleasenumber[1],
2177                         adapter->fwreleasenumber[0],
2178                         adapter->fwreleasenumber[3]);
2179
2180         mutex_unlock(&adapter->lock);
2181         snprintf(fwversion, maxlen, fwver);
2182 }
2183
2184
2185 /*
2186  * iwconfig settable callbacks
2187  */
2188 static const iw_handler wlan_handler[] = {
2189         (iw_handler) NULL,      /* SIOCSIWCOMMIT */
2190         (iw_handler) wlan_get_name,     /* SIOCGIWNAME */
2191         (iw_handler) NULL,      /* SIOCSIWNWID */
2192         (iw_handler) NULL,      /* SIOCGIWNWID */
2193         (iw_handler) wlan_set_freq,     /* SIOCSIWFREQ */
2194         (iw_handler) wlan_get_freq,     /* SIOCGIWFREQ */
2195         (iw_handler) wlan_set_mode,     /* SIOCSIWMODE */
2196         (iw_handler) wlan_get_mode,     /* SIOCGIWMODE */
2197         (iw_handler) NULL,      /* SIOCSIWSENS */
2198         (iw_handler) NULL,      /* SIOCGIWSENS */
2199         (iw_handler) NULL,      /* SIOCSIWRANGE */
2200         (iw_handler) wlan_get_range,    /* SIOCGIWRANGE */
2201         (iw_handler) NULL,      /* SIOCSIWPRIV */
2202         (iw_handler) NULL,      /* SIOCGIWPRIV */
2203         (iw_handler) NULL,      /* SIOCSIWSTATS */
2204         (iw_handler) NULL,      /* SIOCGIWSTATS */
2205         iw_handler_set_spy,     /* SIOCSIWSPY */
2206         iw_handler_get_spy,     /* SIOCGIWSPY */
2207         iw_handler_set_thrspy,  /* SIOCSIWTHRSPY */
2208         iw_handler_get_thrspy,  /* SIOCGIWTHRSPY */
2209         (iw_handler) wlan_set_wap,      /* SIOCSIWAP */
2210         (iw_handler) wlan_get_wap,      /* SIOCGIWAP */
2211         (iw_handler) NULL,      /* SIOCSIWMLME */
2212         (iw_handler) NULL,      /* SIOCGIWAPLIST - deprecated */
2213         (iw_handler) libertas_set_scan, /* SIOCSIWSCAN */
2214         (iw_handler) libertas_get_scan, /* SIOCGIWSCAN */
2215         (iw_handler) wlan_set_essid,    /* SIOCSIWESSID */
2216         (iw_handler) wlan_get_essid,    /* SIOCGIWESSID */
2217         (iw_handler) wlan_set_nick,     /* SIOCSIWNICKN */
2218         (iw_handler) wlan_get_nick,     /* SIOCGIWNICKN */
2219         (iw_handler) NULL,      /* -- hole -- */
2220         (iw_handler) NULL,      /* -- hole -- */
2221         (iw_handler) wlan_set_rate,     /* SIOCSIWRATE */
2222         (iw_handler) wlan_get_rate,     /* SIOCGIWRATE */
2223         (iw_handler) wlan_set_rts,      /* SIOCSIWRTS */
2224         (iw_handler) wlan_get_rts,      /* SIOCGIWRTS */
2225         (iw_handler) wlan_set_frag,     /* SIOCSIWFRAG */
2226         (iw_handler) wlan_get_frag,     /* SIOCGIWFRAG */
2227         (iw_handler) wlan_set_txpow,    /* SIOCSIWTXPOW */
2228         (iw_handler) wlan_get_txpow,    /* SIOCGIWTXPOW */
2229         (iw_handler) wlan_set_retry,    /* SIOCSIWRETRY */
2230         (iw_handler) wlan_get_retry,    /* SIOCGIWRETRY */
2231         (iw_handler) wlan_set_encode,   /* SIOCSIWENCODE */
2232         (iw_handler) wlan_get_encode,   /* SIOCGIWENCODE */
2233         (iw_handler) wlan_set_power,    /* SIOCSIWPOWER */
2234         (iw_handler) wlan_get_power,    /* SIOCGIWPOWER */
2235         (iw_handler) NULL,      /* -- hole -- */
2236         (iw_handler) NULL,      /* -- hole -- */
2237         (iw_handler) wlan_set_genie,    /* SIOCSIWGENIE */
2238         (iw_handler) wlan_get_genie,    /* SIOCGIWGENIE */
2239         (iw_handler) wlan_set_auth,     /* SIOCSIWAUTH */
2240         (iw_handler) wlan_get_auth,     /* SIOCGIWAUTH */
2241         (iw_handler) wlan_set_encodeext,/* SIOCSIWENCODEEXT */
2242         (iw_handler) wlan_get_encodeext,/* SIOCGIWENCODEEXT */
2243         (iw_handler) NULL,              /* SIOCSIWPMKSA */
2244 };
2245
2246 static const iw_handler mesh_wlan_handler[] = {
2247         (iw_handler) NULL,      /* SIOCSIWCOMMIT */
2248         (iw_handler) wlan_get_name,     /* SIOCGIWNAME */
2249         (iw_handler) NULL,      /* SIOCSIWNWID */
2250         (iw_handler) NULL,      /* SIOCGIWNWID */
2251         (iw_handler) wlan_set_freq,     /* SIOCSIWFREQ */
2252         (iw_handler) wlan_get_freq,     /* SIOCGIWFREQ */
2253         (iw_handler) NULL,              /* SIOCSIWMODE */
2254         (iw_handler) mesh_wlan_get_mode,        /* SIOCGIWMODE */
2255         (iw_handler) NULL,      /* SIOCSIWSENS */
2256         (iw_handler) NULL,      /* SIOCGIWSENS */
2257         (iw_handler) NULL,      /* SIOCSIWRANGE */
2258         (iw_handler) wlan_get_range,    /* SIOCGIWRANGE */
2259         (iw_handler) NULL,      /* SIOCSIWPRIV */
2260         (iw_handler) NULL,      /* SIOCGIWPRIV */
2261         (iw_handler) NULL,      /* SIOCSIWSTATS */
2262         (iw_handler) NULL,      /* SIOCGIWSTATS */
2263         iw_handler_set_spy,     /* SIOCSIWSPY */
2264         iw_handler_get_spy,     /* SIOCGIWSPY */
2265         iw_handler_set_thrspy,  /* SIOCSIWTHRSPY */
2266         iw_handler_get_thrspy,  /* SIOCGIWTHRSPY */
2267         (iw_handler) NULL,      /* SIOCSIWAP */
2268         (iw_handler) NULL,      /* SIOCGIWAP */
2269         (iw_handler) NULL,      /* SIOCSIWMLME */
2270         (iw_handler) NULL,      /* SIOCGIWAPLIST - deprecated */
2271         (iw_handler) libertas_set_scan, /* SIOCSIWSCAN */
2272         (iw_handler) libertas_get_scan, /* SIOCGIWSCAN */
2273         (iw_handler) NULL,              /* SIOCSIWESSID */
2274         (iw_handler) NULL,              /* SIOCGIWESSID */
2275         (iw_handler) NULL,              /* SIOCSIWNICKN */
2276         (iw_handler) mesh_get_nick,     /* SIOCGIWNICKN */
2277         (iw_handler) NULL,      /* -- hole -- */
2278         (iw_handler) NULL,      /* -- hole -- */
2279         (iw_handler) wlan_set_rate,     /* SIOCSIWRATE */
2280         (iw_handler) wlan_get_rate,     /* SIOCGIWRATE */
2281         (iw_handler) wlan_set_rts,      /* SIOCSIWRTS */
2282         (iw_handler) wlan_get_rts,      /* SIOCGIWRTS */
2283         (iw_handler) wlan_set_frag,     /* SIOCSIWFRAG */
2284         (iw_handler) wlan_get_frag,     /* SIOCGIWFRAG */
2285         (iw_handler) wlan_set_txpow,    /* SIOCSIWTXPOW */
2286         (iw_handler) wlan_get_txpow,    /* SIOCGIWTXPOW */
2287         (iw_handler) wlan_set_retry,    /* SIOCSIWRETRY */
2288         (iw_handler) wlan_get_retry,    /* SIOCGIWRETRY */
2289         (iw_handler) wlan_set_encode,   /* SIOCSIWENCODE */
2290         (iw_handler) wlan_get_encode,   /* SIOCGIWENCODE */
2291         (iw_handler) wlan_set_power,    /* SIOCSIWPOWER */
2292         (iw_handler) wlan_get_power,    /* SIOCGIWPOWER */
2293         (iw_handler) NULL,      /* -- hole -- */
2294         (iw_handler) NULL,      /* -- hole -- */
2295         (iw_handler) wlan_set_genie,    /* SIOCSIWGENIE */
2296         (iw_handler) wlan_get_genie,    /* SIOCGIWGENIE */
2297         (iw_handler) wlan_set_auth,     /* SIOCSIWAUTH */
2298         (iw_handler) wlan_get_auth,     /* SIOCGIWAUTH */
2299         (iw_handler) wlan_set_encodeext,/* SIOCSIWENCODEEXT */
2300         (iw_handler) wlan_get_encodeext,/* SIOCGIWENCODEEXT */
2301         (iw_handler) NULL,              /* SIOCSIWPMKSA */
2302 };
2303 struct iw_handler_def libertas_handler_def = {
2304         .num_standard   = sizeof(wlan_handler) / sizeof(iw_handler),
2305         .standard       = (iw_handler *) wlan_handler,
2306         .get_wireless_stats = wlan_get_wireless_stats,
2307 };
2308
2309 struct iw_handler_def mesh_handler_def = {
2310         .num_standard   = sizeof(mesh_wlan_handler) / sizeof(iw_handler),
2311         .standard       = (iw_handler *) mesh_wlan_handler,
2312         .get_wireless_stats = wlan_get_wireless_stats,
2313 };