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 static inline void lbs_postpone_association_work(lbs_private *priv)
  25 {
  26         if (priv->adapter->surpriseremoved)
  27                 return;
  28         cancel_delayed_work(&priv->assoc_work);
  29         queue_delayed_work(priv->work_thread, &priv->assoc_work, HZ / 2);
  30 }
  31
  32 static inline void lbs_cancel_association_work(lbs_private *priv)
  33 {
  34         cancel_delayed_work(&priv->assoc_work);
  35         kfree(priv->adapter->pending_assoc_req);
  36         priv->adapter->pending_assoc_req = NULL;
  37 }
  38
  39
  40 /**
  41  *  @brief Find the channel frequency power info with specific channel
  42  *
  43  *  @param adapter      A pointer to lbs_adapter structure
  44  *  @param band         it can be BAND_A, BAND_G or BAND_B
  45  *  @param channel      the channel for looking
  46  *  @return             A pointer to struct chan_freq_power structure or NULL if not find.
  47  */
  48 struct chan_freq_power *lbs_find_cfp_by_band_and_channel(lbs_adapter *adapter,
  49                                                  u8 band, u16 channel)
  50 {
  51         struct chan_freq_power *cfp = NULL;
  52         struct region_channel *rc;
  53         int i, j;
  54
  55         for (j = 0; !cfp && (j < ARRAY_SIZE(adapter->region_channel)); j++) {
  56                 rc = &adapter->region_channel[j];
  57
  58                 if (adapter->enable11d)
  59                         rc = &adapter->universal_channel[j];
  60                 if (!rc->valid || !rc->CFP)
  61                         continue;
  62                 if (rc->band != band)
  63                         continue;
  64                 for (i = 0; i < rc->nrcfp; i++) {
  65                         if (rc->CFP[i].channel == channel) {
  66                                 cfp = &rc->CFP[i];
  67                                 break;
  68                         }
  69                 }
  70         }
  71
  72         if (!cfp && channel)
  73                 lbs_deb_wext("lbs_find_cfp_by_band_and_channel: can't find "
  74                        "cfp by band %d / channel %d\n", band, channel);
  75
  76         return cfp;
  77 }
  78
  79 /**
  80  *  @brief Find the channel frequency power info with specific frequency
  81  *
  82  *  @param adapter      A pointer to lbs_adapter structure
  83  *  @param band         it can be BAND_A, BAND_G or BAND_B
  84  *  @param freq         the frequency for looking
  85  *  @return             A pointer to struct chan_freq_power structure or NULL if not find.
  86  */
  87 static struct chan_freq_power *find_cfp_by_band_and_freq(lbs_adapter *adapter,
  88                                                      u8 band, u32 freq)
  89 {
  90         struct chan_freq_power *cfp = NULL;
  91         struct region_channel *rc;
  92         int i, j;
  93
  94         for (j = 0; !cfp && (j < ARRAY_SIZE(adapter->region_channel)); j++) {
  95                 rc = &adapter->region_channel[j];
  96
  97                 if (adapter->enable11d)
  98                         rc = &adapter->universal_channel[j];
  99                 if (!rc->valid || !rc->CFP)
 100                         continue;
 101                 if (rc->band != band)
 102                         continue;
 103                 for (i = 0; i < rc->nrcfp; i++) {
 104                         if (rc->CFP[i].freq == freq) {
 105                                 cfp = &rc->CFP[i];
 106                                 break;
 107                         }
 108                 }
 109         }
 110
 111         if (!cfp && freq)
 112                 lbs_deb_wext("find_cfp_by_band_and_freql: can't find cfp by "
 113                        "band %d / freq %d\n", band, freq);
 114
 115         return cfp;
 116 }
 117
 118
 119 /**
 120  *  @brief Set Radio On/OFF
 121  *
 122  *  @param priv                 A pointer to lbs_private structure
 123  *  @option                     Radio Option
 124  *  @return                     0 --success, otherwise fail
 125  */
 126 static int lbs_radio_ioctl(lbs_private *priv, u8 option)
 127 {
 128         int ret = 0;
 129         lbs_adapter *adapter = priv->adapter;
 130
 131         lbs_deb_enter(LBS_DEB_WEXT);
 132
 133         if (adapter->radioon != option) {
 134                 lbs_deb_wext("switching radio %s\n", option ? "on" : "off");
 135                 adapter->radioon = option;
 136
 137                 ret = lbs_prepare_and_send_command(priv,
 138                                             CMD_802_11_RADIO_CONTROL,
 139                                             CMD_ACT_SET,
 140                                             CMD_OPTION_WAITFORRSP, 0, NULL);
 141         }
 142
 143         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
 144         return ret;
 145 }
 146
 147 /**
 148  *  @brief Copy active data rates based on adapter mode and status
 149  *
 150  *  @param adapter              A pointer to lbs_adapter structure
 151  *  @param rate                 The buf to return the active rates
 152  */
 153 static void copy_active_data_rates(lbs_adapter *adapter, u8 *rates)
 154 {
 155         lbs_deb_enter(LBS_DEB_WEXT);
 156
 157         if (adapter->connect_status != LBS_CONNECTED)
 158                 memcpy(rates, lbs_bg_rates, MAX_RATES);
 159         else
 160                 memcpy(rates, adapter->curbssparams.rates, MAX_RATES);
 161
 162         lbs_deb_leave(LBS_DEB_WEXT);
 163 }
 164
 165 static int lbs_get_name(struct net_device *dev, struct iw_request_info *info,
 166                          char *cwrq, char *extra)
 167 {
 168
 169         lbs_deb_enter(LBS_DEB_WEXT);
 170
 171         /* We could add support for 802.11n here as needed. Jean II */
 172         snprintf(cwrq, IFNAMSIZ, "IEEE 802.11b/g");
 173
 174         lbs_deb_leave(LBS_DEB_WEXT);
 175         return 0;
 176 }
 177
 178 static int lbs_get_freq(struct net_device *dev, struct iw_request_info *info,
 179                          struct iw_freq *fwrq, char *extra)
 180 {
 181         lbs_private *priv = dev->priv;
 182         lbs_adapter *adapter = priv->adapter;
 183         struct chan_freq_power *cfp;
 184
 185         lbs_deb_enter(LBS_DEB_WEXT);
 186
 187         cfp = lbs_find_cfp_by_band_and_channel(adapter, 0,
 188                                            adapter->curbssparams.channel);
 189
 190         if (!cfp) {
 191                 if (adapter->curbssparams.channel)
 192                         lbs_deb_wext("invalid channel %d\n",
 193                                adapter->curbssparams.channel);
 194                 return -EINVAL;
 195         }
 196
 197         fwrq->m = (long)cfp->freq * 100000;
 198         fwrq->e = 1;
 199
 200         lbs_deb_wext("freq %u\n", fwrq->m);
 201         lbs_deb_leave(LBS_DEB_WEXT);
 202         return 0;
 203 }
 204
 205 static int lbs_get_wap(struct net_device *dev, struct iw_request_info *info,
 206                         struct sockaddr *awrq, char *extra)
 207 {
 208         lbs_private *priv = dev->priv;
 209         lbs_adapter *adapter = priv->adapter;
 210
 211         lbs_deb_enter(LBS_DEB_WEXT);
 212
 213         if (adapter->connect_status == LBS_CONNECTED) {
 214                 memcpy(awrq->sa_data, adapter->curbssparams.bssid, ETH_ALEN);
 215         } else {
 216                 memset(awrq->sa_data, 0, ETH_ALEN);
 217         }
 218         awrq->sa_family = ARPHRD_ETHER;
 219
 220         lbs_deb_leave(LBS_DEB_WEXT);
 221         return 0;
 222 }
 223
 224 static int lbs_set_nick(struct net_device *dev, struct iw_request_info *info,
 225                          struct iw_point *dwrq, char *extra)
 226 {
 227         lbs_private *priv = dev->priv;
 228         lbs_adapter *adapter = priv->adapter;
 229
 230         lbs_deb_enter(LBS_DEB_WEXT);
 231
 232         /*
 233          * Check the size of the string
 234          */
 235
 236         if (dwrq->length > 16) {
 237                 return -E2BIG;
 238         }
 239
 240         mutex_lock(&adapter->lock);
 241         memset(adapter->nodename, 0, sizeof(adapter->nodename));
 242         memcpy(adapter->nodename, extra, dwrq->length);
 243         mutex_unlock(&adapter->lock);
 244
 245         lbs_deb_leave(LBS_DEB_WEXT);
 246         return 0;
 247 }
 248
 249 static int lbs_get_nick(struct net_device *dev, struct iw_request_info *info,
 250                          struct iw_point *dwrq, char *extra)
 251 {
 252         lbs_private *priv = dev->priv;
 253         lbs_adapter *adapter = priv->adapter;
 254
 255         lbs_deb_enter(LBS_DEB_WEXT);
 256
 257         dwrq->length = strlen(adapter->nodename);
 258         memcpy(extra, adapter->nodename, dwrq->length);
 259         extra[dwrq->length] = '\0';
 260
 261         dwrq->flags = 1;        /* active */
 262
 263         lbs_deb_leave(LBS_DEB_WEXT);
 264         return 0;
 265 }
 266
 267 static int mesh_get_nick(struct net_device *dev, struct iw_request_info *info,
 268                          struct iw_point *dwrq, char *extra)
 269 {
 270         lbs_private *priv = dev->priv;
 271         lbs_adapter *adapter = priv->adapter;
 272
 273         lbs_deb_enter(LBS_DEB_WEXT);
 274
 275         /* Use nickname to indicate that mesh is on */
 276
 277         if (adapter->connect_status == LBS_CONNECTED) {
 278                 strncpy(extra, "Mesh", 12);
 279                 extra[12] = '\0';
 280                 dwrq->length = strlen(extra);
 281         }
 282
 283         else {
 284                 extra[0] = '\0';
 285                 dwrq->length = 0;
 286         }
 287
 288         lbs_deb_leave(LBS_DEB_WEXT);
 289         return 0;
 290 }
 291
 292 static int lbs_set_rts(struct net_device *dev, struct iw_request_info *info,
 293                         struct iw_param *vwrq, char *extra)
 294 {
 295         int ret = 0;
 296         lbs_private *priv = dev->priv;
 297         lbs_adapter *adapter = priv->adapter;
 298         u32 rthr = vwrq->value;
 299
 300         lbs_deb_enter(LBS_DEB_WEXT);
 301
 302         if (vwrq->disabled) {
 303                 adapter->rtsthsd = rthr = MRVDRV_RTS_MAX_VALUE;
 304         } else {
 305                 if (rthr < MRVDRV_RTS_MIN_VALUE || rthr > MRVDRV_RTS_MAX_VALUE)
 306                         return -EINVAL;
 307                 adapter->rtsthsd = rthr;
 308         }
 309
 310         ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
 311                                     CMD_ACT_SET, CMD_OPTION_WAITFORRSP,
 312                                     OID_802_11_RTS_THRESHOLD, &rthr);
 313
 314         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
 315         return ret;
 316 }
 317
 318 static int lbs_get_rts(struct net_device *dev, struct iw_request_info *info,
 319                         struct iw_param *vwrq, char *extra)
 320 {
 321         int ret = 0;
 322         lbs_private *priv = dev->priv;
 323         lbs_adapter *adapter = priv->adapter;
 324
 325         lbs_deb_enter(LBS_DEB_WEXT);
 326
 327         adapter->rtsthsd = 0;
 328         ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
 329                                     CMD_ACT_GET, CMD_OPTION_WAITFORRSP,
 330                                     OID_802_11_RTS_THRESHOLD, NULL);
 331         if (ret)
 332                 goto out;
 333
 334         vwrq->value = adapter->rtsthsd;
 335         vwrq->disabled = ((vwrq->value < MRVDRV_RTS_MIN_VALUE)
 336                           || (vwrq->value > MRVDRV_RTS_MAX_VALUE));
 337         vwrq->fixed = 1;
 338
 339 out:
 340         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
 341         return ret;
 342 }
 343
 344 static int lbs_set_frag(struct net_device *dev, struct iw_request_info *info,
 345                          struct iw_param *vwrq, char *extra)
 346 {
 347         int ret = 0;
 348         u32 fthr = vwrq->value;
 349         lbs_private *priv = dev->priv;
 350         lbs_adapter *adapter = priv->adapter;
 351
 352         lbs_deb_enter(LBS_DEB_WEXT);
 353
 354         if (vwrq->disabled) {
 355                 adapter->fragthsd = fthr = MRVDRV_FRAG_MAX_VALUE;
 356         } else {
 357                 if (fthr < MRVDRV_FRAG_MIN_VALUE
 358                     || fthr > MRVDRV_FRAG_MAX_VALUE)
 359                         return -EINVAL;
 360                 adapter->fragthsd = fthr;
 361         }
 362
 363         ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
 364                                     CMD_ACT_SET, CMD_OPTION_WAITFORRSP,
 365                                     OID_802_11_FRAGMENTATION_THRESHOLD, &fthr);
 366
 367         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
 368         return ret;
 369 }
 370
 371 static int lbs_get_frag(struct net_device *dev, struct iw_request_info *info,
 372                          struct iw_param *vwrq, char *extra)
 373 {
 374         int ret = 0;
 375         lbs_private *priv = dev->priv;
 376         lbs_adapter *adapter = priv->adapter;
 377
 378         lbs_deb_enter(LBS_DEB_WEXT);
 379
 380         adapter->fragthsd = 0;
 381         ret = lbs_prepare_and_send_command(priv,
 382                                     CMD_802_11_SNMP_MIB,
 383                                     CMD_ACT_GET, CMD_OPTION_WAITFORRSP,
 384                                     OID_802_11_FRAGMENTATION_THRESHOLD, NULL);
 385         if (ret)
 386                 goto out;
 387
 388         vwrq->value = adapter->fragthsd;
 389         vwrq->disabled = ((vwrq->value < MRVDRV_FRAG_MIN_VALUE)
 390                           || (vwrq->value > MRVDRV_FRAG_MAX_VALUE));
 391         vwrq->fixed = 1;
 392
 393 out:
 394         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
 395         return ret;
 396 }
 397
 398 static int lbs_get_mode(struct net_device *dev,
 399                          struct iw_request_info *info, u32 * uwrq, char *extra)
 400 {
 401         lbs_private *priv = dev->priv;
 402         lbs_adapter *adapter = priv->adapter;
 403
 404         lbs_deb_enter(LBS_DEB_WEXT);
 405
 406         *uwrq = adapter->mode;
 407
 408         lbs_deb_leave(LBS_DEB_WEXT);
 409         return 0;
 410 }
 411
 412 static int mesh_wlan_get_mode(struct net_device *dev,
 413                               struct iw_request_info *info, u32 * uwrq,
 414                               char *extra)
 415 {
 416         lbs_deb_enter(LBS_DEB_WEXT);
 417
 418         *uwrq = IW_MODE_REPEAT ;
 419
 420         lbs_deb_leave(LBS_DEB_WEXT);
 421         return 0;
 422 }
 423
 424 static int lbs_get_txpow(struct net_device *dev,
 425                           struct iw_request_info *info,
 426                           struct iw_param *vwrq, char *extra)
 427 {
 428         int ret = 0;
 429         lbs_private *priv = dev->priv;
 430         lbs_adapter *adapter = priv->adapter;
 431
 432         lbs_deb_enter(LBS_DEB_WEXT);
 433
 434         ret = lbs_prepare_and_send_command(priv,
 435                                     CMD_802_11_RF_TX_POWER,
 436                                     CMD_ACT_TX_POWER_OPT_GET,
 437                                     CMD_OPTION_WAITFORRSP, 0, NULL);
 438
 439         if (ret)
 440                 goto out;
 441
 442         lbs_deb_wext("tx power level %d dbm\n", adapter->txpowerlevel);
 443         vwrq->value = adapter->txpowerlevel;
 444         vwrq->fixed = 1;
 445         if (adapter->radioon) {
 446                 vwrq->disabled = 0;
 447                 vwrq->flags = IW_TXPOW_DBM;
 448         } else {
 449                 vwrq->disabled = 1;
 450         }
 451
 452 out:
 453         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
 454         return ret;
 455 }
 456
 457 static int lbs_set_retry(struct net_device *dev, struct iw_request_info *info,
 458                           struct iw_param *vwrq, char *extra)
 459 {
 460         int ret = 0;
 461         lbs_private *priv = dev->priv;
 462         lbs_adapter *adapter = priv->adapter;
 463
 464         lbs_deb_enter(LBS_DEB_WEXT);
 465
 466         if (vwrq->flags == IW_RETRY_LIMIT) {
 467                 /* The MAC has a 4-bit Total_Tx_Count register
 468                    Total_Tx_Count = 1 + Tx_Retry_Count */
 469 #define TX_RETRY_MIN 0
 470 #define TX_RETRY_MAX 14
 471                 if (vwrq->value < TX_RETRY_MIN || vwrq->value > TX_RETRY_MAX)
 472                         return -EINVAL;
 473
 474                 /* Adding 1 to convert retry count to try count */
 475                 adapter->txretrycount = vwrq->value + 1;
 476
 477                 ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
 478                                             CMD_ACT_SET,
 479                                             CMD_OPTION_WAITFORRSP,
 480                                             OID_802_11_TX_RETRYCOUNT, NULL);
 481
 482                 if (ret)
 483                         goto out;
 484         } else {
 485                 return -EOPNOTSUPP;
 486         }
 487
 488 out:
 489         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
 490         return ret;
 491 }
 492
 493 static int lbs_get_retry(struct net_device *dev, struct iw_request_info *info,
 494                           struct iw_param *vwrq, char *extra)
 495 {
 496         lbs_private *priv = dev->priv;
 497         lbs_adapter *adapter = priv->adapter;
 498         int ret = 0;
 499
 500         lbs_deb_enter(LBS_DEB_WEXT);
 501
 502         adapter->txretrycount = 0;
 503         ret = lbs_prepare_and_send_command(priv,
 504                                     CMD_802_11_SNMP_MIB,
 505                                     CMD_ACT_GET, CMD_OPTION_WAITFORRSP,
 506                                     OID_802_11_TX_RETRYCOUNT, NULL);
 507         if (ret)
 508                 goto out;
 509
 510         vwrq->disabled = 0;
 511         if (!vwrq->flags) {
 512                 vwrq->flags = IW_RETRY_LIMIT;
 513                 /* Subtract 1 to convert try count to retry count */
 514                 vwrq->value = adapter->txretrycount - 1;
 515         }
 516
 517 out:
 518         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
 519         return ret;
 520 }
 521
 522 static inline void sort_channels(struct iw_freq *freq, int num)
 523 {
 524         int i, j;
 525         struct iw_freq temp;
 526
 527         for (i = 0; i < num; i++)
 528                 for (j = i + 1; j < num; j++)
 529                         if (freq[i].i > freq[j].i) {
 530                                 temp.i = freq[i].i;
 531                                 temp.m = freq[i].m;
 532
 533                                 freq[i].i = freq[j].i;
 534                                 freq[i].m = freq[j].m;
 535
 536                                 freq[j].i = temp.i;
 537                                 freq[j].m = temp.m;
 538                         }
 539 }
 540
 541 /* data rate listing
 542         MULTI_BANDS:
 543                 abg             a       b       b/g
 544    Infra        G(12)           A(8)    B(4)    G(12)
 545    Adhoc        A+B(12)         A(8)    B(4)    B(4)
 546
 547         non-MULTI_BANDS:
 548                                         b       b/g
 549    Infra                                B(4)    G(12)
 550    Adhoc                                B(4)    B(4)
 551  */
 552 /**
 553  *  @brief Get Range Info
 554  *
 555  *  @param dev                  A pointer to net_device structure
 556  *  @param info                 A pointer to iw_request_info structure
 557  *  @param vwrq                 A pointer to iw_param structure
 558  *  @param extra                A pointer to extra data buf
 559  *  @return                     0 --success, otherwise fail
 560  */
 561 static int lbs_get_range(struct net_device *dev, struct iw_request_info *info,
 562                           struct iw_point *dwrq, char *extra)
 563 {
 564         int i, j;
 565         lbs_private *priv = dev->priv;
 566         lbs_adapter *adapter = priv->adapter;
 567         struct iw_range *range = (struct iw_range *)extra;
 568         struct chan_freq_power *cfp;
 569         u8 rates[MAX_RATES + 1];
 570
 571         u8 flag = 0;
 572
 573         lbs_deb_enter(LBS_DEB_WEXT);
 574
 575         dwrq->length = sizeof(struct iw_range);
 576         memset(range, 0, sizeof(struct iw_range));
 577
 578         range->min_nwid = 0;
 579         range->max_nwid = 0;
 580
 581         memset(rates, 0, sizeof(rates));
 582         copy_active_data_rates(adapter, rates);
 583         range->num_bitrates = strnlen(rates, IW_MAX_BITRATES);
 584         for (i = 0; i < range->num_bitrates; i++)
 585                 range->bitrate[i] = rates[i] * 500000;
 586         range->num_bitrates = i;
 587         lbs_deb_wext("IW_MAX_BITRATES %d, num_bitrates %d\n", IW_MAX_BITRATES,
 588                range->num_bitrates);
 589
 590         range->num_frequency = 0;
 591         if (priv->adapter->enable11d &&
 592             adapter->connect_status == LBS_CONNECTED) {
 593                 u8 chan_no;
 594                 u8 band;
 595
 596                 struct parsed_region_chan_11d *parsed_region_chan =
 597                     &adapter->parsed_region_chan;
 598
 599                 if (parsed_region_chan == NULL) {
 600                         lbs_deb_wext("11d: parsed_region_chan is NULL\n");
 601                         goto out;
 602                 }
 603                 band = parsed_region_chan->band;
 604                 lbs_deb_wext("band %d, nr_char %d\n", band,
 605                        parsed_region_chan->nr_chan);
 606
 607                 for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
 608                      && (i < parsed_region_chan->nr_chan); i++) {
 609                         chan_no = parsed_region_chan->chanpwr[i].chan;
 610                         lbs_deb_wext("chan_no %d\n", chan_no);
 611                         range->freq[range->num_frequency].i = (long)chan_no;
 612                         range->freq[range->num_frequency].m =
 613                             (long)lbs_chan_2_freq(chan_no, band) * 100000;
 614                         range->freq[range->num_frequency].e = 1;
 615                         range->num_frequency++;
 616                 }
 617                 flag = 1;
 618         }
 619         if (!flag) {
 620                 for (j = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
 621                      && (j < ARRAY_SIZE(adapter->region_channel)); j++) {
 622                         cfp = adapter->region_channel[j].CFP;
 623                         for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
 624                              && adapter->region_channel[j].valid
 625                              && cfp
 626                              && (i < adapter->region_channel[j].nrcfp); i++) {
 627                                 range->freq[range->num_frequency].i =
 628                                     (long)cfp->channel;
 629                                 range->freq[range->num_frequency].m =
 630                                     (long)cfp->freq * 100000;
 631                                 range->freq[range->num_frequency].e = 1;
 632                                 cfp++;
 633                                 range->num_frequency++;
 634                         }
 635                 }
 636         }
 637
 638         lbs_deb_wext("IW_MAX_FREQUENCIES %d, num_frequency %d\n",
 639                IW_MAX_FREQUENCIES, range->num_frequency);
 640
 641         range->num_channels = range->num_frequency;
 642
 643         sort_channels(&range->freq[0], range->num_frequency);
 644
 645         /*
 646          * Set an indication of the max TCP throughput in bit/s that we can
 647          * expect using this interface
 648          */
 649         if (i > 2)
 650                 range->throughput = 5000 * 1000;
 651         else
 652                 range->throughput = 1500 * 1000;
 653
 654         range->min_rts = MRVDRV_RTS_MIN_VALUE;
 655         range->max_rts = MRVDRV_RTS_MAX_VALUE;
 656         range->min_frag = MRVDRV_FRAG_MIN_VALUE;
 657         range->max_frag = MRVDRV_FRAG_MAX_VALUE;
 658
 659         range->encoding_size[0] = 5;
 660         range->encoding_size[1] = 13;
 661         range->num_encoding_sizes = 2;
 662         range->max_encoding_tokens = 4;
 663
 664         range->min_pmp = 1000000;
 665         range->max_pmp = 120000000;
 666         range->min_pmt = 1000;
 667         range->max_pmt = 1000000;
 668         range->pmp_flags = IW_POWER_PERIOD;
 669         range->pmt_flags = IW_POWER_TIMEOUT;
 670         range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
 671
 672         /*
 673          * Minimum version we recommend
 674          */
 675         range->we_version_source = 15;
 676
 677         /*
 678          * Version we are compiled with
 679          */
 680         range->we_version_compiled = WIRELESS_EXT;
 681
 682         range->retry_capa = IW_RETRY_LIMIT;
 683         range->retry_flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
 684
 685         range->min_retry = TX_RETRY_MIN;
 686         range->max_retry = TX_RETRY_MAX;
 687
 688         /*
 689          * Set the qual, level and noise range values
 690          */
 691         range->max_qual.qual = 100;
 692         range->max_qual.level = 0;
 693         range->max_qual.noise = 0;
 694         range->max_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
 695
 696         range->avg_qual.qual = 70;
 697         /* TODO: Find real 'good' to 'bad' threshold value for RSSI */
 698         range->avg_qual.level = 0;
 699         range->avg_qual.noise = 0;
 700         range->avg_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
 701
 702         range->sensitivity = 0;
 703
 704         /*
 705          * Setup the supported power level ranges
 706          */
 707         memset(range->txpower, 0, sizeof(range->txpower));
 708         range->txpower[0] = 5;
 709         range->txpower[1] = 7;
 710         range->txpower[2] = 9;
 711         range->txpower[3] = 11;
 712         range->txpower[4] = 13;
 713         range->txpower[5] = 15;
 714         range->txpower[6] = 17;
 715         range->txpower[7] = 19;
 716
 717         range->num_txpower = 8;
 718         range->txpower_capa = IW_TXPOW_DBM;
 719         range->txpower_capa |= IW_TXPOW_RANGE;
 720
 721         range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
 722                                 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
 723                                 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
 724         range->event_capa[1] = IW_EVENT_CAPA_K_1;
 725
 726         if (adapter->fwcapinfo & FW_CAPINFO_WPA) {
 727                 range->enc_capa =   IW_ENC_CAPA_WPA
 728                                   | IW_ENC_CAPA_WPA2
 729                                   | IW_ENC_CAPA_CIPHER_TKIP
 730                                   | IW_ENC_CAPA_CIPHER_CCMP;
 731         }
 732
 733 out:
 734         lbs_deb_leave(LBS_DEB_WEXT);
 735         return 0;
 736 }
 737
 738 static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
 739                           struct iw_param *vwrq, char *extra)
 740 {
 741         lbs_private *priv = dev->priv;
 742         lbs_adapter *adapter = priv->adapter;
 743
 744         lbs_deb_enter(LBS_DEB_WEXT);
 745
 746         /* PS is currently supported only in Infrastructure mode
 747          * Remove this check if it is to be supported in IBSS mode also
 748          */
 749
 750         if (vwrq->disabled) {
 751                 adapter->psmode = LBS802_11POWERMODECAM;
 752                 if (adapter->psstate != PS_STATE_FULL_POWER) {
 753                         lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP);
 754                 }
 755
 756                 return 0;
 757         }
 758
 759         if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
 760                 lbs_deb_wext(
 761                        "setting power timeout is not supported\n");
 762                 return -EINVAL;
 763         } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
 764                 lbs_deb_wext("setting power period not supported\n");
 765                 return -EINVAL;
 766         }
 767
 768         if (adapter->psmode != LBS802_11POWERMODECAM) {
 769                 return 0;
 770         }
 771
 772         adapter->psmode = LBS802_11POWERMODEMAX_PSP;
 773
 774         if (adapter->connect_status == LBS_CONNECTED) {
 775                 lbs_ps_sleep(priv, CMD_OPTION_WAITFORRSP);
 776         }
 777
 778         lbs_deb_leave(LBS_DEB_WEXT);
 779         return 0;
 780 }
 781
 782 static int lbs_get_power(struct net_device *dev, struct iw_request_info *info,
 783                           struct iw_param *vwrq, char *extra)
 784 {
 785         lbs_private *priv = dev->priv;
 786         lbs_adapter *adapter = priv->adapter;
 787         int mode;
 788
 789         lbs_deb_enter(LBS_DEB_WEXT);
 790
 791         mode = adapter->psmode;
 792
 793         if ((vwrq->disabled = (mode == LBS802_11POWERMODECAM))
 794             || adapter->connect_status == LBS_DISCONNECTED)
 795         {
 796                 goto out;
 797         }
 798
 799         vwrq->value = 0;
 800
 801 out:
 802         lbs_deb_leave(LBS_DEB_WEXT);
 803         return 0;
 804 }
 805
 806 static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
 807 {
 808         enum {
 809                 POOR = 30,
 810                 FAIR = 60,
 811                 GOOD = 80,
 812                 VERY_GOOD = 90,
 813                 EXCELLENT = 95,
 814                 PERFECT = 100
 815         };
 816         lbs_private *priv = dev->priv;
 817         lbs_adapter *adapter = priv->adapter;
 818         u32 rssi_qual;
 819         u32 tx_qual;
 820         u32 quality = 0;
 821         int stats_valid = 0;
 822         u8 rssi;
 823         u32 tx_retries;
 824
 825         lbs_deb_enter(LBS_DEB_WEXT);
 826
 827         priv->wstats.status = adapter->mode;
 828
 829         /* If we're not associated, all quality values are meaningless */
 830         if (adapter->connect_status != LBS_CONNECTED)
 831                 goto out;
 832
 833         /* Quality by RSSI */
 834         priv->wstats.qual.level =
 835             CAL_RSSI(adapter->SNR[TYPE_BEACON][TYPE_NOAVG],
 836              adapter->NF[TYPE_BEACON][TYPE_NOAVG]);
 837
 838         if (adapter->NF[TYPE_BEACON][TYPE_NOAVG] == 0) {
 839                 priv->wstats.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
 840         } else {
 841                 priv->wstats.qual.noise =
 842                     CAL_NF(adapter->NF[TYPE_BEACON][TYPE_NOAVG]);
 843         }
 844
 845         lbs_deb_wext("signal level %#x\n", priv->wstats.qual.level);
 846         lbs_deb_wext("noise %#x\n", priv->wstats.qual.noise);
 847
 848         rssi = priv->wstats.qual.level - priv->wstats.qual.noise;
 849         if (rssi < 15)
 850                 rssi_qual = rssi * POOR / 10;
 851         else if (rssi < 20)
 852                 rssi_qual = (rssi - 15) * (FAIR - POOR) / 5 + POOR;
 853         else if (rssi < 30)
 854                 rssi_qual = (rssi - 20) * (GOOD - FAIR) / 5 + FAIR;
 855         else if (rssi < 40)
 856                 rssi_qual = (rssi - 30) * (VERY_GOOD - GOOD) /
 857                     10 + GOOD;
 858         else
 859                 rssi_qual = (rssi - 40) * (PERFECT - VERY_GOOD) /
 860                     10 + VERY_GOOD;
 861         quality = rssi_qual;
 862
 863         /* Quality by TX errors */
 864         priv->wstats.discard.retries = priv->stats.tx_errors;
 865
 866         tx_retries = le32_to_cpu(adapter->logmsg.retry);
 867
 868         if (tx_retries > 75)
 869                 tx_qual = (90 - tx_retries) * POOR / 15;
 870         else if (tx_retries > 70)
 871                 tx_qual = (75 - tx_retries) * (FAIR - POOR) / 5 + POOR;
 872         else if (tx_retries > 65)
 873                 tx_qual = (70 - tx_retries) * (GOOD - FAIR) / 5 + FAIR;
 874         else if (tx_retries > 50)
 875                 tx_qual = (65 - tx_retries) * (VERY_GOOD - GOOD) /
 876                     15 + GOOD;
 877         else
 878                 tx_qual = (50 - tx_retries) *
 879                     (PERFECT - VERY_GOOD) / 50 + VERY_GOOD;
 880         quality = min(quality, tx_qual);
 881
 882         priv->wstats.discard.code = le32_to_cpu(adapter->logmsg.wepundecryptable);
 883         priv->wstats.discard.fragment = le32_to_cpu(adapter->logmsg.rxfrag);
 884         priv->wstats.discard.retries = tx_retries;
 885         priv->wstats.discard.misc = le32_to_cpu(adapter->logmsg.ackfailure);
 886
 887         /* Calculate quality */
 888         priv->wstats.qual.qual = min_t(u8, quality, 100);
 889         priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
 890         stats_valid = 1;
 891
 892         /* update stats asynchronously for future calls */
 893         lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
 894                                         0, 0, NULL);
 895         lbs_prepare_and_send_command(priv, CMD_802_11_GET_LOG, 0,
 896                                         0, 0, NULL);
 897 out:
 898         if (!stats_valid) {
 899                 priv->wstats.miss.beacon = 0;
 900                 priv->wstats.discard.retries = 0;
 901                 priv->wstats.qual.qual = 0;
 902                 priv->wstats.qual.level = 0;
 903                 priv->wstats.qual.noise = 0;
 904                 priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED;
 905                 priv->wstats.qual.updated |= IW_QUAL_NOISE_INVALID |
 906                     IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID;
 907         }
 908
 909         lbs_deb_leave(LBS_DEB_WEXT);
 910         return &priv->wstats;
 911
 912
 913 }
 914
 915 static int lbs_set_freq(struct net_device *dev, struct iw_request_info *info,
 916                   struct iw_freq *fwrq, char *extra)
 917 {
 918         int ret = -EINVAL;
 919         lbs_private *priv = dev->priv;
 920         lbs_adapter *adapter = priv->adapter;
 921         struct chan_freq_power *cfp;
 922         struct assoc_request * assoc_req;
 923
 924         lbs_deb_enter(LBS_DEB_WEXT);
 925
 926         mutex_lock(&adapter->lock);
 927         assoc_req = lbs_get_association_request(adapter);
 928         if (!assoc_req) {
 929                 ret = -ENOMEM;
 930                 goto out;
 931         }
 932
 933         /* If setting by frequency, convert to a channel */
 934         if (fwrq->e == 1) {
 935                 long f = fwrq->m / 100000;
 936
 937                 cfp = find_cfp_by_band_and_freq(adapter, 0, f);
 938                 if (!cfp) {
 939                         lbs_deb_wext("invalid freq %ld\n", f);
 940                         goto out;
 941                 }
 942
 943                 fwrq->e = 0;
 944                 fwrq->m = (int) cfp->channel;
 945         }
 946
 947         /* Setting by channel number */
 948         if (fwrq->m > 1000 || fwrq->e > 0) {
 949                 goto out;
 950         }
 951
 952         cfp = lbs_find_cfp_by_band_and_channel(adapter, 0, fwrq->m);
 953         if (!cfp) {
 954                 goto out;
 955         }
 956
 957         assoc_req->channel = fwrq->m;
 958         ret = 0;
 959
 960 out:
 961         if (ret == 0) {
 962                 set_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags);
 963                 lbs_postpone_association_work(priv);
 964         } else {
 965                 lbs_cancel_association_work(priv);
 966         }
 967         mutex_unlock(&adapter->lock);
 968
 969         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
 970         return ret;
 971 }
 972
 973 static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info,
 974                   struct iw_param *vwrq, char *extra)
 975 {
 976         lbs_private *priv = dev->priv;
 977         lbs_adapter *adapter = priv->adapter;
 978         u32 new_rate;
 979         u16 action;
 980         int ret = -EINVAL;
 981         u8 rates[MAX_RATES + 1];
 982
 983         lbs_deb_enter(LBS_DEB_WEXT);
 984         lbs_deb_wext("vwrq->value %d\n", vwrq->value);
 985
 986         /* Auto rate? */
 987         if (vwrq->value == -1) {
 988                 action = CMD_ACT_SET_TX_AUTO;
 989                 adapter->auto_rate = 1;
 990                 adapter->cur_rate = 0;
 991         } else {
 992                 if (vwrq->value % 100000)
 993                         goto out;
 994
 995                 memset(rates, 0, sizeof(rates));
 996                 copy_active_data_rates(adapter, rates);
 997                 new_rate = vwrq->value / 500000;
 998                 if (!memchr(rates, new_rate, sizeof(rates))) {
 999                         lbs_pr_alert("fixed data rate 0x%X out of range\n",
1000                                 new_rate);
1001                         goto out;
1002                 }
1003
1004                 adapter->cur_rate = new_rate;
1005                 action = CMD_ACT_SET_TX_FIX_RATE;
1006                 adapter->auto_rate = 0;
1007         }
1008
1009         ret = lbs_prepare_and_send_command(priv, CMD_802_11_DATA_RATE,
1010                                     action, CMD_OPTION_WAITFORRSP, 0, NULL);
1011
1012 out:
1013         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1014         return ret;
1015 }
1016
1017 static int lbs_get_rate(struct net_device *dev, struct iw_request_info *info,
1018                   struct iw_param *vwrq, char *extra)
1019 {
1020         lbs_private *priv = dev->priv;
1021         lbs_adapter *adapter = priv->adapter;
1022
1023         lbs_deb_enter(LBS_DEB_WEXT);
1024
1025         if (adapter->connect_status == LBS_CONNECTED) {
1026                 vwrq->value = adapter->cur_rate * 500000;
1027
1028                 if (adapter->auto_rate)
1029                         vwrq->fixed = 0;
1030                 else
1031                         vwrq->fixed = 1;
1032
1033         } else {
1034                 vwrq->fixed = 0;
1035                 vwrq->value = 0;
1036         }
1037
1038         lbs_deb_leave(LBS_DEB_WEXT);
1039         return 0;
1040 }
1041
1042 static int lbs_set_mode(struct net_device *dev,
1043                   struct iw_request_info *info, u32 * uwrq, char *extra)
1044 {
1045         int ret = 0;
1046         lbs_private *priv = dev->priv;
1047         lbs_adapter *adapter = priv->adapter;
1048         struct assoc_request * assoc_req;
1049
1050         lbs_deb_enter(LBS_DEB_WEXT);
1051
1052         if (   (*uwrq != IW_MODE_ADHOC)
1053             && (*uwrq != IW_MODE_INFRA)
1054             && (*uwrq != IW_MODE_AUTO)) {
1055                 lbs_deb_wext("Invalid mode: 0x%x\n", *uwrq);
1056                 ret = -EINVAL;
1057                 goto out;
1058         }
1059
1060         mutex_lock(&adapter->lock);
1061         assoc_req = lbs_get_association_request(adapter);
1062         if (!assoc_req) {
1063                 ret = -ENOMEM;
1064                 lbs_cancel_association_work(priv);
1065         } else {
1066                 assoc_req->mode = *uwrq;
1067                 set_bit(ASSOC_FLAG_MODE, &assoc_req->flags);
1068                 lbs_postpone_association_work(priv);
1069                 lbs_deb_wext("Switching to mode: 0x%x\n", *uwrq);
1070         }
1071         mutex_unlock(&adapter->lock);
1072
1073 out:
1074         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1075         return ret;
1076 }
1077
1078
1079 /**
1080  *  @brief Get Encryption key
1081  *
1082  *  @param dev                  A pointer to net_device structure
1083  *  @param info                 A pointer to iw_request_info structure
1084  *  @param vwrq                 A pointer to iw_param structure
1085  *  @param extra                A pointer to extra data buf
1086  *  @return                     0 --success, otherwise fail
1087  */
1088 static int lbs_get_encode(struct net_device *dev,
1089                            struct iw_request_info *info,
1090                            struct iw_point *dwrq, u8 * extra)
1091 {
1092         lbs_private *priv = dev->priv;
1093         lbs_adapter *adapter = priv->adapter;
1094         int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1095
1096         lbs_deb_enter(LBS_DEB_WEXT);
1097
1098         lbs_deb_wext("flags 0x%x, index %d, length %d, wep_tx_keyidx %d\n",
1099                dwrq->flags, index, dwrq->length, adapter->wep_tx_keyidx);
1100
1101         dwrq->flags = 0;
1102
1103         /* Authentication method */
1104         switch (adapter->secinfo.auth_mode) {
1105         case IW_AUTH_ALG_OPEN_SYSTEM:
1106                 dwrq->flags = IW_ENCODE_OPEN;
1107                 break;
1108
1109         case IW_AUTH_ALG_SHARED_KEY:
1110         case IW_AUTH_ALG_LEAP:
1111                 dwrq->flags = IW_ENCODE_RESTRICTED;
1112                 break;
1113         default:
1114                 dwrq->flags = IW_ENCODE_DISABLED | IW_ENCODE_OPEN;
1115                 break;
1116         }
1117
1118         if (   adapter->secinfo.wep_enabled
1119             || adapter->secinfo.WPAenabled
1120             || adapter->secinfo.WPA2enabled) {
1121                 dwrq->flags &= ~IW_ENCODE_DISABLED;
1122         } else {
1123                 dwrq->flags |= IW_ENCODE_DISABLED;
1124         }
1125
1126         memset(extra, 0, 16);
1127
1128         mutex_lock(&adapter->lock);
1129
1130         /* Default to returning current transmit key */
1131         if (index < 0)
1132                 index = adapter->wep_tx_keyidx;
1133
1134         if ((adapter->wep_keys[index].len) && adapter->secinfo.wep_enabled) {
1135                 memcpy(extra, adapter->wep_keys[index].key,
1136                        adapter->wep_keys[index].len);
1137                 dwrq->length = adapter->wep_keys[index].len;
1138
1139                 dwrq->flags |= (index + 1);
1140                 /* Return WEP enabled */
1141                 dwrq->flags &= ~IW_ENCODE_DISABLED;
1142         } else if ((adapter->secinfo.WPAenabled)
1143                    || (adapter->secinfo.WPA2enabled)) {
1144                 /* return WPA enabled */
1145                 dwrq->flags &= ~IW_ENCODE_DISABLED;
1146         } else {
1147                 dwrq->flags |= IW_ENCODE_DISABLED;
1148         }
1149
1150         mutex_unlock(&adapter->lock);
1151
1152         dwrq->flags |= IW_ENCODE_NOKEY;
1153
1154         lbs_deb_wext("key: %02x:%02x:%02x:%02x:%02x:%02x, keylen %d\n",
1155                extra[0], extra[1], extra[2],
1156                extra[3], extra[4], extra[5], dwrq->length);
1157
1158         lbs_deb_wext("return flags 0x%x\n", dwrq->flags);
1159
1160         lbs_deb_leave(LBS_DEB_WEXT);
1161         return 0;
1162 }
1163
1164 /**
1165  *  @brief Set Encryption key (internal)
1166  *
1167  *  @param priv                 A pointer to private card structure
1168  *  @param key_material         A pointer to key material
1169  *  @param key_length           length of key material
1170  *  @param index                key index to set
1171  *  @param set_tx_key           Force set TX key (1 = yes, 0 = no)
1172  *  @return                     0 --success, otherwise fail
1173  */
1174 static int lbs_set_wep_key(struct assoc_request *assoc_req,
1175                             const char *key_material,
1176                             u16 key_length,
1177                             u16 index,
1178                             int set_tx_key)
1179 {
1180         int ret = 0;
1181         struct enc_key *pkey;
1182
1183         lbs_deb_enter(LBS_DEB_WEXT);
1184
1185         /* Paranoid validation of key index */
1186         if (index > 3) {
1187                 ret = -EINVAL;
1188                 goto out;
1189         }
1190
1191         /* validate max key length */
1192         if (key_length > KEY_LEN_WEP_104) {
1193                 ret = -EINVAL;
1194                 goto out;
1195         }
1196
1197         pkey = &assoc_req->wep_keys[index];
1198
1199         if (key_length > 0) {
1200                 memset(pkey, 0, sizeof(struct enc_key));
1201                 pkey->type = KEY_TYPE_ID_WEP;
1202
1203                 /* Standardize the key length */
1204                 pkey->len = (key_length > KEY_LEN_WEP_40) ?
1205                                 KEY_LEN_WEP_104 : KEY_LEN_WEP_40;
1206                 memcpy(pkey->key, key_material, key_length);
1207         }
1208
1209         if (set_tx_key) {
1210                 /* Ensure the chosen key is valid */
1211                 if (!pkey->len) {
1212                         lbs_deb_wext("key not set, so cannot enable it\n");
1213                         ret = -EINVAL;
1214                         goto out;
1215                 }
1216                 assoc_req->wep_tx_keyidx = index;
1217         }
1218
1219         assoc_req->secinfo.wep_enabled = 1;
1220
1221 out:
1222         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1223         return ret;
1224 }
1225
1226 static int validate_key_index(u16 def_index, u16 raw_index,
1227                               u16 *out_index, u16 *is_default)
1228 {
1229         if (!out_index || !is_default)
1230                 return -EINVAL;
1231
1232         /* Verify index if present, otherwise use default TX key index */
1233         if (raw_index > 0) {
1234                 if (raw_index > 4)
1235                         return -EINVAL;
1236                 *out_index = raw_index - 1;
1237         } else {
1238                 *out_index = def_index;
1239                 *is_default = 1;
1240         }
1241         return 0;
1242 }
1243
1244 static void disable_wep(struct assoc_request *assoc_req)
1245 {
1246         int i;
1247
1248         lbs_deb_enter(LBS_DEB_WEXT);
1249
1250         /* Set Open System auth mode */
1251         assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1252
1253         /* Clear WEP keys and mark WEP as disabled */
1254         assoc_req->secinfo.wep_enabled = 0;
1255         for (i = 0; i < 4; i++)
1256                 assoc_req->wep_keys[i].len = 0;
1257
1258         set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1259         set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1260
1261         lbs_deb_leave(LBS_DEB_WEXT);
1262 }
1263
1264 static void disable_wpa(struct assoc_request *assoc_req)
1265 {
1266         lbs_deb_enter(LBS_DEB_WEXT);
1267
1268         memset(&assoc_req->wpa_mcast_key, 0, sizeof (struct enc_key));
1269         assoc_req->wpa_mcast_key.flags = KEY_INFO_WPA_MCAST;
1270         set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
1271
1272         memset(&assoc_req->wpa_unicast_key, 0, sizeof (struct enc_key));
1273         assoc_req->wpa_unicast_key.flags = KEY_INFO_WPA_UNICAST;
1274         set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
1275
1276         assoc_req->secinfo.WPAenabled = 0;
1277         assoc_req->secinfo.WPA2enabled = 0;
1278         set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1279
1280         lbs_deb_leave(LBS_DEB_WEXT);
1281 }
1282
1283 /**
1284  *  @brief Set Encryption key
1285  *
1286  *  @param dev                  A pointer to net_device structure
1287  *  @param info                 A pointer to iw_request_info structure
1288  *  @param vwrq                 A pointer to iw_param structure
1289  *  @param extra                A pointer to extra data buf
1290  *  @return                     0 --success, otherwise fail
1291  */
1292 static int lbs_set_encode(struct net_device *dev,
1293                     struct iw_request_info *info,
1294                     struct iw_point *dwrq, char *extra)
1295 {
1296         int ret = 0;
1297         lbs_private *priv = dev->priv;
1298         lbs_adapter *adapter = priv->adapter;
1299         struct assoc_request * assoc_req;
1300         u16 is_default = 0, index = 0, set_tx_key = 0;
1301
1302         lbs_deb_enter(LBS_DEB_WEXT);
1303
1304         mutex_lock(&adapter->lock);
1305         assoc_req = lbs_get_association_request(adapter);
1306         if (!assoc_req) {
1307                 ret = -ENOMEM;
1308                 goto out;
1309         }
1310
1311         if (dwrq->flags & IW_ENCODE_DISABLED) {
1312                 disable_wep (assoc_req);
1313                 disable_wpa (assoc_req);
1314                 goto out;
1315         }
1316
1317         ret = validate_key_index(assoc_req->wep_tx_keyidx,
1318                                  (dwrq->flags & IW_ENCODE_INDEX),
1319                                  &index, &is_default);
1320         if (ret) {
1321                 ret = -EINVAL;
1322                 goto out;
1323         }
1324
1325         /* If WEP isn't enabled, or if there is no key data but a valid
1326          * index, set the TX key.
1327          */
1328         if (!assoc_req->secinfo.wep_enabled || (dwrq->length == 0 && !is_default))
1329                 set_tx_key = 1;
1330
1331         ret = lbs_set_wep_key(assoc_req, extra, dwrq->length, index, set_tx_key);
1332         if (ret)
1333                 goto out;
1334
1335         if (dwrq->length)
1336                 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1337         if (set_tx_key)
1338                 set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
1339
1340         if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1341                 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1342         } else if (dwrq->flags & IW_ENCODE_OPEN) {
1343                 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1344         }
1345
1346 out:
1347         if (ret == 0) {
1348                 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1349                 lbs_postpone_association_work(priv);
1350         } else {
1351                 lbs_cancel_association_work(priv);
1352         }
1353         mutex_unlock(&adapter->lock);
1354
1355         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1356         return ret;
1357 }
1358
1359 /**
1360  *  @brief Get Extended Encryption key (WPA/802.1x and WEP)
1361  *
1362  *  @param dev                  A pointer to net_device structure
1363  *  @param info                 A pointer to iw_request_info structure
1364  *  @param vwrq                 A pointer to iw_param structure
1365  *  @param extra                A pointer to extra data buf
1366  *  @return                     0 on success, otherwise failure
1367  */
1368 static int lbs_get_encodeext(struct net_device *dev,
1369                               struct iw_request_info *info,
1370                               struct iw_point *dwrq,
1371                               char *extra)
1372 {
1373         int ret = -EINVAL;
1374         lbs_private *priv = dev->priv;
1375         lbs_adapter *adapter = priv->adapter;
1376         struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1377         int index, max_key_len;
1378
1379         lbs_deb_enter(LBS_DEB_WEXT);
1380
1381         max_key_len = dwrq->length - sizeof(*ext);
1382         if (max_key_len < 0)
1383                 goto out;
1384
1385         index = dwrq->flags & IW_ENCODE_INDEX;
1386         if (index) {
1387                 if (index < 1 || index > 4)
1388                         goto out;
1389                 index--;
1390         } else {
1391                 index = adapter->wep_tx_keyidx;
1392         }
1393
1394         if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
1395             ext->alg != IW_ENCODE_ALG_WEP) {
1396                 if (index != 0 || adapter->mode != IW_MODE_INFRA)
1397                         goto out;
1398         }
1399
1400         dwrq->flags = index + 1;
1401         memset(ext, 0, sizeof(*ext));
1402
1403         if (   !adapter->secinfo.wep_enabled
1404             && !adapter->secinfo.WPAenabled
1405             && !adapter->secinfo.WPA2enabled) {
1406                 ext->alg = IW_ENCODE_ALG_NONE;
1407                 ext->key_len = 0;
1408                 dwrq->flags |= IW_ENCODE_DISABLED;
1409         } else {
1410                 u8 *key = NULL;
1411
1412                 if (   adapter->secinfo.wep_enabled
1413                     && !adapter->secinfo.WPAenabled
1414                     && !adapter->secinfo.WPA2enabled) {
1415                         /* WEP */
1416                         ext->alg = IW_ENCODE_ALG_WEP;
1417                         ext->key_len = adapter->wep_keys[index].len;
1418                         key = &adapter->wep_keys[index].key[0];
1419                 } else if (   !adapter->secinfo.wep_enabled
1420                            && (adapter->secinfo.WPAenabled ||
1421                                adapter->secinfo.WPA2enabled)) {
1422                         /* WPA */
1423                         struct enc_key * pkey = NULL;
1424
1425                         if (   adapter->wpa_mcast_key.len
1426                             && (adapter->wpa_mcast_key.flags & KEY_INFO_WPA_ENABLED))
1427                                 pkey = &adapter->wpa_mcast_key;
1428                         else if (   adapter->wpa_unicast_key.len
1429                                  && (adapter->wpa_unicast_key.flags & KEY_INFO_WPA_ENABLED))
1430                                 pkey = &adapter->wpa_unicast_key;
1431
1432                         if (pkey) {
1433                                 if (pkey->type == KEY_TYPE_ID_AES) {
1434                                         ext->alg = IW_ENCODE_ALG_CCMP;
1435                                 } else {
1436                                         ext->alg = IW_ENCODE_ALG_TKIP;
1437                                 }
1438                                 ext->key_len = pkey->len;
1439                                 key = &pkey->key[0];
1440                         } else {
1441                                 ext->alg = IW_ENCODE_ALG_TKIP;
1442                                 ext->key_len = 0;
1443                         }
1444                 } else {
1445                         goto out;
1446                 }
1447
1448                 if (ext->key_len > max_key_len) {
1449                         ret = -E2BIG;
1450                         goto out;
1451                 }
1452
1453                 if (ext->key_len)
1454                         memcpy(ext->key, key, ext->key_len);
1455                 else
1456                         dwrq->flags |= IW_ENCODE_NOKEY;
1457                 dwrq->flags |= IW_ENCODE_ENABLED;
1458         }
1459         ret = 0;
1460
1461 out:
1462         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1463         return ret;
1464 }
1465
1466 /**
1467  *  @brief Set Encryption key Extended (WPA/802.1x and WEP)
1468  *
1469  *  @param dev                  A pointer to net_device structure
1470  *  @param info                 A pointer to iw_request_info structure
1471  *  @param vwrq                 A pointer to iw_param structure
1472  *  @param extra                A pointer to extra data buf
1473  *  @return                     0 --success, otherwise fail
1474  */
1475 static int lbs_set_encodeext(struct net_device *dev,
1476                               struct iw_request_info *info,
1477                               struct iw_point *dwrq,
1478                               char *extra)
1479 {
1480         int ret = 0;
1481         lbs_private *priv = dev->priv;
1482         lbs_adapter *adapter = priv->adapter;
1483         struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1484         int alg = ext->alg;
1485         struct assoc_request * assoc_req;
1486
1487         lbs_deb_enter(LBS_DEB_WEXT);
1488
1489         mutex_lock(&adapter->lock);
1490         assoc_req = lbs_get_association_request(adapter);
1491         if (!assoc_req) {
1492                 ret = -ENOMEM;
1493                 goto out;
1494         }
1495
1496         if ((alg == IW_ENCODE_ALG_NONE) || (dwrq->flags & IW_ENCODE_DISABLED)) {
1497                 disable_wep (assoc_req);
1498                 disable_wpa (assoc_req);
1499         } else if (alg == IW_ENCODE_ALG_WEP) {
1500                 u16 is_default = 0, index, set_tx_key = 0;
1501
1502                 ret = validate_key_index(assoc_req->wep_tx_keyidx,
1503                                          (dwrq->flags & IW_ENCODE_INDEX),
1504                                          &index, &is_default);
1505                 if (ret)
1506                         goto out;
1507
1508                 /* If WEP isn't enabled, or if there is no key data but a valid
1509                  * index, or if the set-TX-key flag was passed, set the TX key.
1510                  */
1511                 if (   !assoc_req->secinfo.wep_enabled
1512                     || (dwrq->length == 0 && !is_default)
1513                     || (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY))
1514                         set_tx_key = 1;
1515
1516                 /* Copy key to driver */
1517                 ret = lbs_set_wep_key(assoc_req, ext->key, ext->key_len, index,
1518                                         set_tx_key);
1519                 if (ret)
1520                         goto out;
1521
1522                 if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1523                         assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1524                 } else if (dwrq->flags & IW_ENCODE_OPEN) {
1525                         assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1526                 }
1527
1528                 /* Mark the various WEP bits as modified */
1529                 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1530                 if (dwrq->length)
1531                         set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1532                 if (set_tx_key)
1533                         set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
1534         } else if ((alg == IW_ENCODE_ALG_TKIP) || (alg == IW_ENCODE_ALG_CCMP)) {
1535                 struct enc_key * pkey;
1536
1537                 /* validate key length */
1538                 if (((alg == IW_ENCODE_ALG_TKIP)
1539                         && (ext->key_len != KEY_LEN_WPA_TKIP))
1540                     || ((alg == IW_ENCODE_ALG_CCMP)
1541                         && (ext->key_len != KEY_LEN_WPA_AES))) {
1542                                 lbs_deb_wext("invalid size %d for key of alg "
1543                                        "type %d\n",
1544                                        ext->key_len,
1545                                        alg);
1546                                 ret = -EINVAL;
1547                                 goto out;
1548                 }
1549
1550                 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1551                         pkey = &assoc_req->wpa_mcast_key;
1552                         set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
1553                 } else {
1554                         pkey = &assoc_req->wpa_unicast_key;
1555                         set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
1556                 }
1557
1558                 memset(pkey, 0, sizeof (struct enc_key));
1559                 memcpy(pkey->key, ext->key, ext->key_len);
1560                 pkey->len = ext->key_len;
1561                 if (pkey->len)
1562                         pkey->flags |= KEY_INFO_WPA_ENABLED;
1563
1564                 /* Do this after zeroing key structure */
1565                 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1566                         pkey->flags |= KEY_INFO_WPA_MCAST;
1567                 } else {
1568                         pkey->flags |= KEY_INFO_WPA_UNICAST;
1569                 }
1570
1571                 if (alg == IW_ENCODE_ALG_TKIP) {
1572                         pkey->type = KEY_TYPE_ID_TKIP;
1573                 } else if (alg == IW_ENCODE_ALG_CCMP) {
1574                         pkey->type = KEY_TYPE_ID_AES;
1575                 }
1576
1577                 /* If WPA isn't enabled yet, do that now */
1578                 if (   assoc_req->secinfo.WPAenabled == 0
1579                     && assoc_req->secinfo.WPA2enabled == 0) {
1580                         assoc_req->secinfo.WPAenabled = 1;
1581                         assoc_req->secinfo.WPA2enabled = 1;
1582                         set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1583                 }
1584
1585                 disable_wep (assoc_req);
1586         }
1587
1588 out:
1589         if (ret == 0) {
1590                 lbs_postpone_association_work(priv);
1591         } else {
1592                 lbs_cancel_association_work(priv);
1593         }
1594         mutex_unlock(&adapter->lock);
1595
1596         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1597         return ret;
1598 }
1599
1600
1601 static int lbs_set_genie(struct net_device *dev,
1602                           struct iw_request_info *info,
1603                           struct iw_point *dwrq,
1604                           char *extra)
1605 {
1606         lbs_private *priv = dev->priv;
1607         lbs_adapter *adapter = priv->adapter;
1608         int ret = 0;
1609         struct assoc_request * assoc_req;
1610
1611         lbs_deb_enter(LBS_DEB_WEXT);
1612
1613         mutex_lock(&adapter->lock);
1614         assoc_req = lbs_get_association_request(adapter);
1615         if (!assoc_req) {
1616                 ret = -ENOMEM;
1617                 goto out;
1618         }
1619
1620         if (dwrq->length > MAX_WPA_IE_LEN ||
1621             (dwrq->length && extra == NULL)) {
1622                 ret = -EINVAL;
1623                 goto out;
1624         }
1625
1626         if (dwrq->length) {
1627                 memcpy(&assoc_req->wpa_ie[0], extra, dwrq->length);
1628                 assoc_req->wpa_ie_len = dwrq->length;
1629         } else {
1630                 memset(&assoc_req->wpa_ie[0], 0, sizeof(adapter->wpa_ie));
1631                 assoc_req->wpa_ie_len = 0;
1632         }
1633
1634 out:
1635         if (ret == 0) {
1636                 set_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags);
1637                 lbs_postpone_association_work(priv);
1638         } else {
1639                 lbs_cancel_association_work(priv);
1640         }
1641         mutex_unlock(&adapter->lock);
1642
1643         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1644         return ret;
1645 }
1646
1647 static int lbs_get_genie(struct net_device *dev,
1648                           struct iw_request_info *info,
1649                           struct iw_point *dwrq,
1650                           char *extra)
1651 {
1652         int ret = 0;
1653         lbs_private *priv = dev->priv;
1654         lbs_adapter *adapter = priv->adapter;
1655
1656         lbs_deb_enter(LBS_DEB_WEXT);
1657
1658         if (adapter->wpa_ie_len == 0) {
1659                 dwrq->length = 0;
1660                 goto out;
1661         }
1662
1663         if (dwrq->length < adapter->wpa_ie_len) {
1664                 ret = -E2BIG;
1665                 goto out;
1666         }
1667
1668         dwrq->length = adapter->wpa_ie_len;
1669         memcpy(extra, &adapter->wpa_ie[0], adapter->wpa_ie_len);
1670
1671 out:
1672         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1673         return ret;
1674 }
1675
1676
1677 static int lbs_set_auth(struct net_device *dev,
1678                          struct iw_request_info *info,
1679                          struct iw_param *dwrq,
1680                          char *extra)
1681 {
1682         lbs_private *priv = dev->priv;
1683         lbs_adapter *adapter = priv->adapter;
1684         struct assoc_request * assoc_req;
1685         int ret = 0;
1686         int updated = 0;
1687
1688         lbs_deb_enter(LBS_DEB_WEXT);
1689
1690         mutex_lock(&adapter->lock);
1691         assoc_req = lbs_get_association_request(adapter);
1692         if (!assoc_req) {
1693                 ret = -ENOMEM;
1694                 goto out;
1695         }
1696
1697         switch (dwrq->flags & IW_AUTH_INDEX) {
1698         case IW_AUTH_TKIP_COUNTERMEASURES:
1699         case IW_AUTH_CIPHER_PAIRWISE:
1700         case IW_AUTH_CIPHER_GROUP:
1701         case IW_AUTH_KEY_MGMT:
1702         case IW_AUTH_DROP_UNENCRYPTED:
1703                 /*
1704                  * libertas does not use these parameters
1705                  */
1706                 break;
1707
1708         case IW_AUTH_WPA_VERSION:
1709                 if (dwrq->value & IW_AUTH_WPA_VERSION_DISABLED) {
1710                         assoc_req->secinfo.WPAenabled = 0;
1711                         assoc_req->secinfo.WPA2enabled = 0;
1712                         disable_wpa (assoc_req);
1713                 }
1714                 if (dwrq->value & IW_AUTH_WPA_VERSION_WPA) {
1715                         assoc_req->secinfo.WPAenabled = 1;
1716                         assoc_req->secinfo.wep_enabled = 0;
1717                         assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1718                 }
1719                 if (dwrq->value & IW_AUTH_WPA_VERSION_WPA2) {
1720                         assoc_req->secinfo.WPA2enabled = 1;
1721                         assoc_req->secinfo.wep_enabled = 0;
1722                         assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1723                 }
1724                 updated = 1;
1725                 break;
1726
1727         case IW_AUTH_80211_AUTH_ALG:
1728                 if (dwrq->value & IW_AUTH_ALG_SHARED_KEY) {
1729                         assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1730                 } else if (dwrq->value & IW_AUTH_ALG_OPEN_SYSTEM) {
1731                         assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1732                 } else if (dwrq->value & IW_AUTH_ALG_LEAP) {
1733                         assoc_req->secinfo.auth_mode = IW_AUTH_ALG_LEAP;
1734                 } else {
1735                         ret = -EINVAL;
1736                 }
1737                 updated = 1;
1738                 break;
1739
1740         case IW_AUTH_WPA_ENABLED:
1741                 if (dwrq->value) {
1742                         if (!assoc_req->secinfo.WPAenabled &&
1743                             !assoc_req->secinfo.WPA2enabled) {
1744                                 assoc_req->secinfo.WPAenabled = 1;
1745                                 assoc_req->secinfo.WPA2enabled = 1;
1746                                 assoc_req->secinfo.wep_enabled = 0;
1747                                 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1748                         }
1749                 } else {
1750                         assoc_req->secinfo.WPAenabled = 0;
1751                         assoc_req->secinfo.WPA2enabled = 0;
1752                         disable_wpa (assoc_req);
1753                 }
1754                 updated = 1;
1755                 break;
1756
1757         default:
1758                 ret = -EOPNOTSUPP;
1759                 break;
1760         }
1761
1762 out:
1763         if (ret == 0) {
1764                 if (updated)
1765                         set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1766                 lbs_postpone_association_work(priv);
1767         } else if (ret != -EOPNOTSUPP) {
1768                 lbs_cancel_association_work(priv);
1769         }
1770         mutex_unlock(&adapter->lock);
1771
1772         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1773         return ret;
1774 }
1775
1776 static int lbs_get_auth(struct net_device *dev,
1777                          struct iw_request_info *info,
1778                          struct iw_param *dwrq,
1779                          char *extra)
1780 {
1781         int ret = 0;
1782         lbs_private *priv = dev->priv;
1783         lbs_adapter *adapter = priv->adapter;
1784
1785         lbs_deb_enter(LBS_DEB_WEXT);
1786
1787         switch (dwrq->flags & IW_AUTH_INDEX) {
1788         case IW_AUTH_WPA_VERSION:
1789                 dwrq->value = 0;
1790                 if (adapter->secinfo.WPAenabled)
1791                         dwrq->value |= IW_AUTH_WPA_VERSION_WPA;
1792                 if (adapter->secinfo.WPA2enabled)
1793                         dwrq->value |= IW_AUTH_WPA_VERSION_WPA2;
1794                 if (!dwrq->value)
1795                         dwrq->value |= IW_AUTH_WPA_VERSION_DISABLED;
1796                 break;
1797
1798         case IW_AUTH_80211_AUTH_ALG:
1799                 dwrq->value = adapter->secinfo.auth_mode;
1800                 break;
1801
1802         case IW_AUTH_WPA_ENABLED:
1803                 if (adapter->secinfo.WPAenabled && adapter->secinfo.WPA2enabled)
1804                         dwrq->value = 1;
1805                 break;
1806
1807         default:
1808                 ret = -EOPNOTSUPP;
1809         }
1810
1811         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1812         return ret;
1813 }
1814
1815
1816 static int lbs_set_txpow(struct net_device *dev, struct iw_request_info *info,
1817                    struct iw_param *vwrq, char *extra)
1818 {
1819         int ret = 0;
1820         lbs_private *priv = dev->priv;
1821         lbs_adapter *adapter = priv->adapter;
1822
1823         u16 dbm;
1824
1825         lbs_deb_enter(LBS_DEB_WEXT);
1826
1827         if (vwrq->disabled) {
1828                 lbs_radio_ioctl(priv, RADIO_OFF);
1829                 return 0;
1830         }
1831
1832         adapter->preamble = CMD_TYPE_AUTO_PREAMBLE;
1833
1834         lbs_radio_ioctl(priv, RADIO_ON);
1835
1836         /* Userspace check in iwrange if it should use dBm or mW,
1837          * therefore this should never happen... Jean II */
1838         if ((vwrq->flags & IW_TXPOW_TYPE) == IW_TXPOW_MWATT) {
1839                 return -EOPNOTSUPP;
1840         } else
1841                 dbm = (u16) vwrq->value;
1842
1843         /* auto tx power control */
1844
1845         if (vwrq->fixed == 0)
1846                 dbm = 0xffff;
1847
1848         lbs_deb_wext("txpower set %d dbm\n", dbm);
1849
1850         ret = lbs_prepare_and_send_command(priv,
1851                                     CMD_802_11_RF_TX_POWER,
1852                                     CMD_ACT_TX_POWER_OPT_SET_LOW,
1853                                     CMD_OPTION_WAITFORRSP, 0, (void *)&dbm);
1854
1855         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1856         return ret;
1857 }
1858
1859 static int lbs_get_essid(struct net_device *dev, struct iw_request_info *info,
1860                    struct iw_point *dwrq, char *extra)
1861 {
1862         lbs_private *priv = dev->priv;
1863         lbs_adapter *adapter = priv->adapter;
1864
1865         lbs_deb_enter(LBS_DEB_WEXT);
1866
1867         /*
1868          * Note : if dwrq->flags != 0, we should get the relevant SSID from
1869          * the SSID list...
1870          */
1871
1872         /*
1873          * Get the current SSID
1874          */
1875         if (adapter->connect_status == LBS_CONNECTED) {
1876                 memcpy(extra, adapter->curbssparams.ssid,
1877                        adapter->curbssparams.ssid_len);
1878                 extra[adapter->curbssparams.ssid_len] = '\0';
1879         } else {
1880                 memset(extra, 0, 32);
1881                 extra[adapter->curbssparams.ssid_len] = '\0';
1882         }
1883         /*
1884          * If none, we may want to get the one that was set
1885          */
1886
1887         dwrq->length = adapter->curbssparams.ssid_len;
1888
1889         dwrq->flags = 1;        /* active */
1890
1891         lbs_deb_leave(LBS_DEB_WEXT);
1892         return 0;
1893 }
1894
1895 static int lbs_set_essid(struct net_device *dev, struct iw_request_info *info,
1896                    struct iw_point *dwrq, char *extra)
1897 {
1898         lbs_private *priv = dev->priv;
1899         lbs_adapter *adapter = priv->adapter;
1900         int ret = 0;
1901         u8 ssid[IW_ESSID_MAX_SIZE];
1902         u8 ssid_len = 0;
1903         struct assoc_request * assoc_req;
1904         int in_ssid_len = dwrq->length;
1905
1906         lbs_deb_enter(LBS_DEB_WEXT);
1907
1908         /* Check the size of the string */
1909         if (in_ssid_len > IW_ESSID_MAX_SIZE) {
1910                 ret = -E2BIG;
1911                 goto out;
1912         }
1913
1914         memset(&ssid, 0, sizeof(ssid));
1915
1916         if (!dwrq->flags || !in_ssid_len) {
1917                 /* "any" SSID requested; leave SSID blank */
1918         } else {
1919                 /* Specific SSID requested */
1920                 memcpy(&ssid, extra, in_ssid_len);
1921                 ssid_len = in_ssid_len;
1922         }
1923
1924         if (!ssid_len) {
1925                 lbs_deb_wext("requested any SSID\n");
1926         } else {
1927                 lbs_deb_wext("requested SSID '%s'\n",
1928                              escape_essid(ssid, ssid_len));
1929         }
1930
1931 out:
1932         mutex_lock(&adapter->lock);
1933         if (ret == 0) {
1934                 /* Get or create the current association request */
1935                 assoc_req = lbs_get_association_request(adapter);
1936                 if (!assoc_req) {
1937                         ret = -ENOMEM;
1938                 } else {
1939                         /* Copy the SSID to the association request */
1940                         memcpy(&assoc_req->ssid, &ssid, IW_ESSID_MAX_SIZE);
1941                         assoc_req->ssid_len = ssid_len;
1942                         set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
1943                         lbs_postpone_association_work(priv);
1944                 }
1945         }
1946
1947         /* Cancel the association request if there was an error */
1948         if (ret != 0) {
1949                 lbs_cancel_association_work(priv);
1950         }
1951
1952         mutex_unlock(&adapter->lock);
1953
1954         lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1955         return ret;
1956 }
1957
1958 /**
1959  *  @brief Connect to the AP or Ad-hoc Network with specific bssid
1960  *
1961  *  @param dev          A pointer to net_device structure
1962  *  @param info         A pointer to iw_request_info structure
1963  *  @param awrq         A pointer to iw_param structure
1964  *  @param extra        A pointer to extra data buf
1965  *  @return             0 --success, otherwise fail
1966  */
1967 static int lbs_set_wap(struct net_device *dev, struct iw_request_info *info,
1968                  struct sockaddr *awrq, char *extra)
1969 {
1970         lbs_private *priv = dev->priv;
1971         lbs_adapter *adapter = priv->adapter;
1972         struct assoc_request * assoc_req;
1973         int ret = 0;
1974         DECLARE_MAC_BUF(mac);
1975
1976         lbs_deb_enter(LBS_DEB_WEXT);
1977
1978         if (awrq->sa_family != ARPHRD_ETHER)
1979                 return -EINVAL;
1980
1981         lbs_deb_wext("ASSOC: WAP: sa_data %s\n", print_mac(mac, awrq->sa_data));
1982
1983         mutex_lock(&adapter->lock);
1984
1985         /* Get or create the current association request */
1986         assoc_req = lbs_get_association_request(adapter);
1987         if (!assoc_req) {
1988                 lbs_cancel_association_work(priv);
1989                 ret = -ENOMEM;
1990         } else {
1991                 /* Copy the BSSID to the association request */
1992                 memcpy(&assoc_req->bssid, awrq->sa_data, ETH_ALEN);
1993                 set_bit(ASSOC_FLAG_BSSID, &assoc_req->flags);
1994                 lbs_postpone_association_work(priv);
1995         }
1996
1997         mutex_unlock(&adapter->lock);
1998
1999         return ret;
2000 }
2001
2002 void lbs_get_fwversion(lbs_adapter *adapter, char *fwversion, int maxlen)
2003 {
2004         char fwver[32];
2005
2006         mutex_lock(&adapter->lock);
2007
2008         if (adapter->fwreleasenumber[3] == 0)
2009                 sprintf(fwver, "%u.%u.%u",
2010                         adapter->fwreleasenumber[2],
2011                         adapter->fwreleasenumber[1],
2012                         adapter->fwreleasenumber[0]);
2013         else
2014                 sprintf(fwver, "%u.%u.%u.p%u",
2015                         adapter->fwreleasenumber[2],
2016                         adapter->fwreleasenumber[1],
2017                         adapter->fwreleasenumber[0],
2018                         adapter->fwreleasenumber[3]);
2019
2020         mutex_unlock(&adapter->lock);
2021         snprintf(fwversion, maxlen, fwver);
2022 }
2023
2024
2025 /*
2026  * iwconfig settable callbacks
2027  */
2028 static const iw_handler lbs_handler[] = {
2029         (iw_handler) NULL,      /* SIOCSIWCOMMIT */
2030         (iw_handler) lbs_get_name,      /* SIOCGIWNAME */
2031         (iw_handler) NULL,      /* SIOCSIWNWID */
2032         (iw_handler) NULL,      /* SIOCGIWNWID */
2033         (iw_handler) lbs_set_freq,      /* SIOCSIWFREQ */
2034         (iw_handler) lbs_get_freq,      /* SIOCGIWFREQ */
2035         (iw_handler) lbs_set_mode,      /* SIOCSIWMODE */
2036         (iw_handler) lbs_get_mode,      /* SIOCGIWMODE */
2037         (iw_handler) NULL,      /* SIOCSIWSENS */
2038         (iw_handler) NULL,      /* SIOCGIWSENS */
2039         (iw_handler) NULL,      /* SIOCSIWRANGE */
2040         (iw_handler) lbs_get_range,     /* SIOCGIWRANGE */
2041         (iw_handler) NULL,      /* SIOCSIWPRIV */
2042         (iw_handler) NULL,      /* SIOCGIWPRIV */
2043         (iw_handler) NULL,      /* SIOCSIWSTATS */
2044         (iw_handler) NULL,      /* SIOCGIWSTATS */
2045         iw_handler_set_spy,     /* SIOCSIWSPY */
2046         iw_handler_get_spy,     /* SIOCGIWSPY */
2047         iw_handler_set_thrspy,  /* SIOCSIWTHRSPY */
2048         iw_handler_get_thrspy,  /* SIOCGIWTHRSPY */
2049         (iw_handler) lbs_set_wap,       /* SIOCSIWAP */
2050         (iw_handler) lbs_get_wap,       /* SIOCGIWAP */
2051         (iw_handler) NULL,      /* SIOCSIWMLME */
2052         (iw_handler) NULL,      /* SIOCGIWAPLIST - deprecated */
2053         (iw_handler) lbs_set_scan,      /* SIOCSIWSCAN */
2054         (iw_handler) lbs_get_scan,      /* SIOCGIWSCAN */
2055         (iw_handler) lbs_set_essid,     /* SIOCSIWESSID */
2056         (iw_handler) lbs_get_essid,     /* SIOCGIWESSID */
2057         (iw_handler) lbs_set_nick,      /* SIOCSIWNICKN */
2058         (iw_handler) lbs_get_nick,      /* SIOCGIWNICKN */
2059         (iw_handler) NULL,      /* -- hole -- */
2060         (iw_handler) NULL,      /* -- hole -- */
2061         (iw_handler) lbs_set_rate,      /* SIOCSIWRATE */
2062         (iw_handler) lbs_get_rate,      /* SIOCGIWRATE */
2063         (iw_handler) lbs_set_rts,       /* SIOCSIWRTS */
2064         (iw_handler) lbs_get_rts,       /* SIOCGIWRTS */
2065         (iw_handler) lbs_set_frag,      /* SIOCSIWFRAG */
2066         (iw_handler) lbs_get_frag,      /* SIOCGIWFRAG */
2067         (iw_handler) lbs_set_txpow,     /* SIOCSIWTXPOW */
2068         (iw_handler) lbs_get_txpow,     /* SIOCGIWTXPOW */
2069         (iw_handler) lbs_set_retry,     /* SIOCSIWRETRY */
2070         (iw_handler) lbs_get_retry,     /* SIOCGIWRETRY */
2071         (iw_handler) lbs_set_encode,    /* SIOCSIWENCODE */
2072         (iw_handler) lbs_get_encode,    /* SIOCGIWENCODE */
2073         (iw_handler) lbs_set_power,     /* SIOCSIWPOWER */
2074         (iw_handler) lbs_get_power,     /* SIOCGIWPOWER */
2075         (iw_handler) NULL,      /* -- hole -- */
2076         (iw_handler) NULL,      /* -- hole -- */
2077         (iw_handler) lbs_set_genie,     /* SIOCSIWGENIE */
2078         (iw_handler) lbs_get_genie,     /* SIOCGIWGENIE */
2079         (iw_handler) lbs_set_auth,      /* SIOCSIWAUTH */
2080         (iw_handler) lbs_get_auth,      /* SIOCGIWAUTH */
2081         (iw_handler) lbs_set_encodeext,/* SIOCSIWENCODEEXT */
2082         (iw_handler) lbs_get_encodeext,/* SIOCGIWENCODEEXT */
2083         (iw_handler) NULL,              /* SIOCSIWPMKSA */
2084 };
2085
2086 static const iw_handler mesh_wlan_handler[] = {
2087         (iw_handler) NULL,      /* SIOCSIWCOMMIT */
2088         (iw_handler) lbs_get_name,      /* SIOCGIWNAME */
2089         (iw_handler) NULL,      /* SIOCSIWNWID */
2090         (iw_handler) NULL,      /* SIOCGIWNWID */
2091         (iw_handler) lbs_set_freq,      /* SIOCSIWFREQ */
2092         (iw_handler) lbs_get_freq,      /* SIOCGIWFREQ */
2093         (iw_handler) NULL,              /* SIOCSIWMODE */
2094         (iw_handler) mesh_wlan_get_mode,        /* SIOCGIWMODE */
2095         (iw_handler) NULL,      /* SIOCSIWSENS */
2096         (iw_handler) NULL,      /* SIOCGIWSENS */
2097         (iw_handler) NULL,      /* SIOCSIWRANGE */
2098         (iw_handler) lbs_get_range,     /* SIOCGIWRANGE */
2099         (iw_handler) NULL,      /* SIOCSIWPRIV */
2100         (iw_handler) NULL,      /* SIOCGIWPRIV */
2101         (iw_handler) NULL,      /* SIOCSIWSTATS */
2102         (iw_handler) NULL,      /* SIOCGIWSTATS */
2103         iw_handler_set_spy,     /* SIOCSIWSPY */
2104         iw_handler_get_spy,     /* SIOCGIWSPY */
2105         iw_handler_set_thrspy,  /* SIOCSIWTHRSPY */
2106         iw_handler_get_thrspy,  /* SIOCGIWTHRSPY */
2107         (iw_handler) NULL,      /* SIOCSIWAP */
2108         (iw_handler) NULL,      /* SIOCGIWAP */
2109         (iw_handler) NULL,      /* SIOCSIWMLME */
2110         (iw_handler) NULL,      /* SIOCGIWAPLIST - deprecated */
2111         (iw_handler) lbs_set_scan,      /* SIOCSIWSCAN */
2112         (iw_handler) lbs_get_scan,      /* SIOCGIWSCAN */
2113         (iw_handler) NULL,              /* SIOCSIWESSID */
2114         (iw_handler) NULL,              /* SIOCGIWESSID */
2115         (iw_handler) NULL,              /* SIOCSIWNICKN */
2116         (iw_handler) mesh_get_nick,     /* SIOCGIWNICKN */
2117         (iw_handler) NULL,      /* -- hole -- */
2118         (iw_handler) NULL,      /* -- hole -- */
2119         (iw_handler) lbs_set_rate,      /* SIOCSIWRATE */
2120         (iw_handler) lbs_get_rate,      /* SIOCGIWRATE */
2121         (iw_handler) lbs_set_rts,       /* SIOCSIWRTS */
2122         (iw_handler) lbs_get_rts,       /* SIOCGIWRTS */
2123         (iw_handler) lbs_set_frag,      /* SIOCSIWFRAG */
2124         (iw_handler) lbs_get_frag,      /* SIOCGIWFRAG */
2125         (iw_handler) lbs_set_txpow,     /* SIOCSIWTXPOW */
2126         (iw_handler) lbs_get_txpow,     /* SIOCGIWTXPOW */
2127         (iw_handler) lbs_set_retry,     /* SIOCSIWRETRY */
2128         (iw_handler) lbs_get_retry,     /* SIOCGIWRETRY */
2129         (iw_handler) lbs_set_encode,    /* SIOCSIWENCODE */
2130         (iw_handler) lbs_get_encode,    /* SIOCGIWENCODE */
2131         (iw_handler) lbs_set_power,     /* SIOCSIWPOWER */
2132         (iw_handler) lbs_get_power,     /* SIOCGIWPOWER */
2133         (iw_handler) NULL,      /* -- hole -- */
2134         (iw_handler) NULL,      /* -- hole -- */
2135         (iw_handler) lbs_set_genie,     /* SIOCSIWGENIE */
2136         (iw_handler) lbs_get_genie,     /* SIOCGIWGENIE */
2137         (iw_handler) lbs_set_auth,      /* SIOCSIWAUTH */
2138         (iw_handler) lbs_get_auth,      /* SIOCGIWAUTH */
2139         (iw_handler) lbs_set_encodeext,/* SIOCSIWENCODEEXT */
2140         (iw_handler) lbs_get_encodeext,/* SIOCGIWENCODEEXT */
2141         (iw_handler) NULL,              /* SIOCSIWPMKSA */
2142 };
2143 struct iw_handler_def lbs_handler_def = {
2144         .num_standard   = ARRAY_SIZE(lbs_handler),
2145         .standard       = (iw_handler *) lbs_handler,
2146         .get_wireless_stats = lbs_get_wireless_stats,
2147 };
2148
2149 struct iw_handler_def mesh_handler_def = {
2150         .num_standard   = ARRAY_SIZE(mesh_wlan_handler),
2151         .standard       = (iw_handler *) mesh_wlan_handler,
2152         .get_wireless_stats = lbs_get_wireless_stats,
2153 };