drivers/staging/rtl8192e/rtl8192e/rtl_wx.c

   1 /******************************************************************************
   2  * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
   3  *
   4  * This program is distributed in the hope that it will be useful, but WITHOUT
   5  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   6  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   7  * more details.
   8  *
   9  * The full GNU General Public License is included in this distribution in the
  10  * file called LICENSE.
  11  *
  12  * Contact Information:
  13  * wlanfae <wlanfae@realtek.com>
  14 ******************************************************************************/
  15
  16 #include <linux/string.h>
  17 #include "rtl_core.h"
  18 #include "rtl_wx.h"
  19
  20 #define RATE_COUNT 12
  21 static u32 rtl8192_rates[] = {
  22         1000000, 2000000, 5500000, 11000000, 6000000, 9000000, 12000000,
  23         18000000, 24000000, 36000000, 48000000, 54000000
  24 };
  25
  26 #ifndef ENETDOWN
  27 #define ENETDOWN 1
  28 #endif
  29
  30 static int _rtl92e_wx_get_freq(struct net_device *dev,
  31                                struct iw_request_info *a,
  32                                union iwreq_data *wrqu, char *b)
  33 {
  34         struct r8192_priv *priv = rtllib_priv(dev);
  35
  36         return rtllib_wx_get_freq(priv->rtllib, a, wrqu, b);
  37 }
  38
  39
  40 static int _rtl92e_wx_get_mode(struct net_device *dev,
  41                                struct iw_request_info *a,
  42                                union iwreq_data *wrqu, char *b)
  43 {
  44         struct r8192_priv *priv = rtllib_priv(dev);
  45
  46         return rtllib_wx_get_mode(priv->rtllib, a, wrqu, b);
  47 }
  48
  49 static int _rtl92e_wx_get_rate(struct net_device *dev,
  50                                struct iw_request_info *info,
  51                                union iwreq_data *wrqu, char *extra)
  52 {
  53         struct r8192_priv *priv = rtllib_priv(dev);
  54
  55         return rtllib_wx_get_rate(priv->rtllib, info, wrqu, extra);
  56 }
  57
  58 static int _rtl92e_wx_set_rate(struct net_device *dev,
  59                                struct iw_request_info *info,
  60                                union iwreq_data *wrqu, char *extra)
  61 {
  62         int ret;
  63         struct r8192_priv *priv = rtllib_priv(dev);
  64
  65         if (priv->bHwRadioOff)
  66                 return 0;
  67
  68         down(&priv->wx_sem);
  69
  70         ret = rtllib_wx_set_rate(priv->rtllib, info, wrqu, extra);
  71
  72         up(&priv->wx_sem);
  73
  74         return ret;
  75 }
  76
  77 static int _rtl92e_wx_set_rts(struct net_device *dev,
  78                               struct iw_request_info *info,
  79                               union iwreq_data *wrqu, char *extra)
  80 {
  81         int ret;
  82         struct r8192_priv *priv = rtllib_priv(dev);
  83
  84         if (priv->bHwRadioOff)
  85                 return 0;
  86
  87         down(&priv->wx_sem);
  88
  89         ret = rtllib_wx_set_rts(priv->rtllib, info, wrqu, extra);
  90
  91         up(&priv->wx_sem);
  92
  93         return ret;
  94 }
  95
  96 static int _rtl92e_wx_get_rts(struct net_device *dev,
  97                               struct iw_request_info *info,
  98                               union iwreq_data *wrqu, char *extra)
  99 {
 100         struct r8192_priv *priv = rtllib_priv(dev);
 101
 102         return rtllib_wx_get_rts(priv->rtllib, info, wrqu, extra);
 103 }
 104
 105 static int _rtl92e_wx_set_power(struct net_device *dev,
 106                                 struct iw_request_info *info,
 107                                 union iwreq_data *wrqu, char *extra)
 108 {
 109         int ret;
 110         struct r8192_priv *priv = rtllib_priv(dev);
 111
 112         if (priv->bHwRadioOff) {
 113                 netdev_warn(dev, "%s(): Can't set Power: Radio is Off.\n",
 114                             __func__);
 115                 return 0;
 116         }
 117         down(&priv->wx_sem);
 118
 119         ret = rtllib_wx_set_power(priv->rtllib, info, wrqu, extra);
 120
 121         up(&priv->wx_sem);
 122
 123         return ret;
 124 }
 125
 126 static int _rtl92e_wx_get_power(struct net_device *dev,
 127                                 struct iw_request_info *info,
 128                                 union iwreq_data *wrqu, char *extra)
 129 {
 130         struct r8192_priv *priv = rtllib_priv(dev);
 131
 132         return rtllib_wx_get_power(priv->rtllib, info, wrqu, extra);
 133 }
 134
 135 static int _rtl92e_wx_set_rawtx(struct net_device *dev,
 136                                 struct iw_request_info *info,
 137                                 union iwreq_data *wrqu, char *extra)
 138 {
 139         struct r8192_priv *priv = rtllib_priv(dev);
 140         int ret;
 141
 142         if (priv->bHwRadioOff)
 143                 return 0;
 144
 145         down(&priv->wx_sem);
 146
 147         ret = rtllib_wx_set_rawtx(priv->rtllib, info, wrqu, extra);
 148
 149         up(&priv->wx_sem);
 150
 151         return ret;
 152
 153 }
 154
 155 static int _rtl92e_wx_force_reset(struct net_device *dev,
 156                                   struct iw_request_info *info,
 157                                   union iwreq_data *wrqu, char *extra)
 158 {
 159         struct r8192_priv *priv = rtllib_priv(dev);
 160
 161         down(&priv->wx_sem);
 162
 163         RT_TRACE(COMP_DBG, "%s(): force reset ! extra is %d\n",
 164                  __func__, *extra);
 165         priv->force_reset = *extra;
 166         up(&priv->wx_sem);
 167         return 0;
 168
 169 }
 170
 171 static int _rtl92e_wx_adapter_power_status(struct net_device *dev,
 172                                            struct iw_request_info *info,
 173                                            union iwreq_data *wrqu, char *extra)
 174 {
 175         struct r8192_priv *priv = rtllib_priv(dev);
 176         struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
 177                                         (&(priv->rtllib->PowerSaveControl));
 178         struct rtllib_device *ieee = priv->rtllib;
 179
 180         down(&priv->wx_sem);
 181
 182         RT_TRACE(COMP_POWER, "%s(): %s\n", __func__, (*extra == 6) ?
 183                  "DC power" : "AC power");
 184         if (*extra || priv->force_lps) {
 185                 priv->ps_force = false;
 186                 pPSC->bLeisurePs = true;
 187         } else {
 188                 if (priv->rtllib->state == RTLLIB_LINKED)
 189                         rtl92e_leisure_ps_leave(dev);
 190
 191                 priv->ps_force = true;
 192                 pPSC->bLeisurePs = false;
 193                 ieee->ps = *extra;
 194         }
 195
 196         up(&priv->wx_sem);
 197
 198         return 0;
 199 }
 200
 201 static int _rtl92e_wx_set_lps_awake_interval(struct net_device *dev,
 202                                              struct iw_request_info *info,
 203                                              union iwreq_data *wrqu,
 204                                              char *extra)
 205 {
 206         struct r8192_priv *priv = rtllib_priv(dev);
 207         struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
 208                                         (&(priv->rtllib->PowerSaveControl));
 209
 210         down(&priv->wx_sem);
 211
 212         netdev_info(dev, "%s(): set lps awake interval ! extra is %d\n",
 213                     __func__, *extra);
 214
 215         pPSC->RegMaxLPSAwakeIntvl = *extra;
 216         up(&priv->wx_sem);
 217         return 0;
 218 }
 219
 220 static int _rtl92e_wx_set_force_lps(struct net_device *dev,
 221                                     struct iw_request_info *info,
 222                                     union iwreq_data *wrqu, char *extra)
 223 {
 224         struct r8192_priv *priv = rtllib_priv(dev);
 225
 226         down(&priv->wx_sem);
 227
 228         netdev_info(dev,
 229                     "%s(): force LPS ! extra is %d (1 is open 0 is close)\n",
 230                     __func__, *extra);
 231         priv->force_lps = *extra;
 232         up(&priv->wx_sem);
 233         return 0;
 234
 235 }
 236
 237 static int _rtl92e_wx_set_debug(struct net_device *dev,
 238                                 struct iw_request_info *info,
 239                                 union iwreq_data *wrqu, char *extra)
 240 {
 241         struct r8192_priv *priv = rtllib_priv(dev);
 242         u8 c = *extra;
 243
 244         if (priv->bHwRadioOff)
 245                 return 0;
 246
 247         netdev_info(dev, "=====>%s(), *extra:%x, debugflag:%x\n", __func__,
 248                     *extra, rt_global_debug_component);
 249         if (c > 0)
 250                 rt_global_debug_component |= (1<<c);
 251         else
 252                 rt_global_debug_component &= BIT31;
 253         return 0;
 254 }
 255
 256 static int _rtl92e_wx_set_mode(struct net_device *dev,
 257                                struct iw_request_info *a,
 258                                union iwreq_data *wrqu, char *b)
 259 {
 260         struct r8192_priv *priv = rtllib_priv(dev);
 261         struct rtllib_device *ieee = netdev_priv_rsl(dev);
 262
 263         enum rt_rf_power_state rtState;
 264         int ret;
 265
 266         if (priv->bHwRadioOff)
 267                 return 0;
 268         rtState = priv->rtllib->eRFPowerState;
 269         down(&priv->wx_sem);
 270         if (wrqu->mode == IW_MODE_ADHOC || wrqu->mode == IW_MODE_MONITOR ||
 271             ieee->bNetPromiscuousMode) {
 272                 if (priv->rtllib->PowerSaveControl.bInactivePs) {
 273                         if (rtState == eRfOff) {
 274                                 if (priv->rtllib->RfOffReason >
 275                                     RF_CHANGE_BY_IPS) {
 276                                         netdev_warn(dev, "%s(): RF is OFF.\n",
 277                                                     __func__);
 278                                         up(&priv->wx_sem);
 279                                         return -1;
 280                                 }
 281                                 netdev_info(dev,
 282                                             "=========>%s(): rtl92e_ips_leave\n",
 283                                             __func__);
 284                                 down(&priv->rtllib->ips_sem);
 285                                 rtl92e_ips_leave(dev);
 286                                 up(&priv->rtllib->ips_sem);
 287                         }
 288                 }
 289         }
 290         ret = rtllib_wx_set_mode(priv->rtllib, a, wrqu, b);
 291
 292         up(&priv->wx_sem);
 293         return ret;
 294 }
 295
 296 struct  iw_range_with_scan_capa {
 297         /* Informative stuff (to choose between different interface) */
 298         __u32      throughput;     /* To give an idea... */
 299         /* In theory this value should be the maximum benchmarked
 300          * TCP/IP throughput, because with most of these devices the
 301          * bit rate is meaningless (overhead an co) to estimate how
 302          * fast the connection will go and pick the fastest one.
 303          * I suggest people to play with Netperf or any benchmark...
 304          */
 305
 306         /* NWID (or domain id) */
 307         __u32      min_nwid;    /* Minimal NWID we are able to set */
 308         __u32      max_nwid;    /* Maximal NWID we are able to set */
 309
 310         /* Old Frequency (backward compat - moved lower ) */
 311         __u16      old_num_channels;
 312         __u8        old_num_frequency;
 313
 314         /* Scan capabilities */
 315         __u8        scan_capa;
 316 };
 317
 318 static int _rtl92e_wx_get_range(struct net_device *dev,
 319                                 struct iw_request_info *info,
 320                                 union iwreq_data *wrqu, char *extra)
 321 {
 322         struct iw_range *range = (struct iw_range *)extra;
 323         struct r8192_priv *priv = rtllib_priv(dev);
 324         u16 val;
 325         int i;
 326
 327         wrqu->data.length = sizeof(*range);
 328         memset(range, 0, sizeof(*range));
 329
 330         /* ~130 Mb/s real (802.11n) */
 331         range->throughput = 130 * 1000 * 1000;
 332
 333         if (priv->rf_set_sens != NULL)
 334                 /* signal level threshold range */
 335                 range->sensitivity = priv->max_sens;
 336
 337         range->max_qual.qual = 100;
 338         range->max_qual.level = 0;
 339         range->max_qual.noise = 0;
 340         range->max_qual.updated = 7; /* Updated all three */
 341
 342         range->avg_qual.qual = 70; /* > 8% missed beacons is 'bad' */
 343         range->avg_qual.level = 0;
 344         range->avg_qual.noise = 0;
 345         range->avg_qual.updated = 7; /* Updated all three */
 346
 347         range->num_bitrates = min(RATE_COUNT, IW_MAX_BITRATES);
 348
 349         for (i = 0; i < range->num_bitrates; i++)
 350                 range->bitrate[i] = rtl8192_rates[i];
 351
 352         range->max_rts = DEFAULT_RTS_THRESHOLD;
 353         range->min_frag = MIN_FRAG_THRESHOLD;
 354         range->max_frag = MAX_FRAG_THRESHOLD;
 355
 356         range->min_pmp = 0;
 357         range->max_pmp = 5000000;
 358         range->min_pmt = 0;
 359         range->max_pmt = 65535*1000;
 360         range->pmp_flags = IW_POWER_PERIOD;
 361         range->pmt_flags = IW_POWER_TIMEOUT;
 362         range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
 363         range->we_version_compiled = WIRELESS_EXT;
 364         range->we_version_source = 18;
 365
 366         for (i = 0, val = 0; i < 14; i++) {
 367                 if ((priv->rtllib->active_channel_map)[i+1]) {
 368                         range->freq[val].i = i + 1;
 369                         range->freq[val].m = rtllib_wlan_frequencies[i] *
 370                                              100000;
 371                         range->freq[val].e = 1;
 372                         val++;
 373                 }
 374
 375                 if (val == IW_MAX_FREQUENCIES)
 376                         break;
 377         }
 378         range->num_frequency = val;
 379         range->num_channels = val;
 380         range->enc_capa = IW_ENC_CAPA_WPA|IW_ENC_CAPA_WPA2|
 381                           IW_ENC_CAPA_CIPHER_TKIP|IW_ENC_CAPA_CIPHER_CCMP;
 382         range->scan_capa = IW_SCAN_CAPA_ESSID | IW_SCAN_CAPA_TYPE;
 383
 384         /* Event capability (kernel + driver) */
 385
 386         return 0;
 387 }
 388
 389 static int _rtl92e_wx_set_scan(struct net_device *dev,
 390                                struct iw_request_info *a,
 391                                union iwreq_data *wrqu, char *b)
 392 {
 393         struct r8192_priv *priv = rtllib_priv(dev);
 394         struct rtllib_device *ieee = priv->rtllib;
 395         enum rt_rf_power_state rtState;
 396         int ret;
 397
 398         if (!(ieee->softmac_features & IEEE_SOFTMAC_SCAN)) {
 399                 if ((ieee->state >= RTLLIB_ASSOCIATING) &&
 400                     (ieee->state <= RTLLIB_ASSOCIATING_AUTHENTICATED))
 401                         return 0;
 402                 if ((priv->rtllib->state == RTLLIB_LINKED) &&
 403                     (priv->rtllib->CntAfterLink < 2))
 404                         return 0;
 405         }
 406
 407         if (priv->bHwRadioOff) {
 408                 netdev_info(dev, "================>%s(): hwradio off\n",
 409                             __func__);
 410                 return 0;
 411         }
 412         rtState = priv->rtllib->eRFPowerState;
 413         if (!priv->up)
 414                 return -ENETDOWN;
 415         if (priv->rtllib->LinkDetectInfo.bBusyTraffic == true)
 416                 return -EAGAIN;
 417
 418         if (wrqu->data.flags & IW_SCAN_THIS_ESSID) {
 419                 struct iw_scan_req *req = (struct iw_scan_req *)b;
 420
 421                 if (req->essid_len) {
 422                         int len = min_t(int, req->essid_len, IW_ESSID_MAX_SIZE);
 423
 424                         ieee->current_network.ssid_len = len;
 425                         memcpy(ieee->current_network.ssid, req->essid, len);
 426                 }
 427         }
 428
 429         down(&priv->wx_sem);
 430
 431         priv->rtllib->FirstIe_InScan = true;
 432
 433         if (priv->rtllib->state != RTLLIB_LINKED) {
 434                 if (priv->rtllib->PowerSaveControl.bInactivePs) {
 435                         if (rtState == eRfOff) {
 436                                 if (priv->rtllib->RfOffReason >
 437                                     RF_CHANGE_BY_IPS) {
 438                                         netdev_warn(dev, "%s(): RF is OFF.\n",
 439                                                     __func__);
 440                                         up(&priv->wx_sem);
 441                                         return -1;
 442                                 }
 443                                 RT_TRACE(COMP_PS,
 444                                          "=========>%s(): rtl92e_ips_leave\n",
 445                                          __func__);
 446                                 down(&priv->rtllib->ips_sem);
 447                                 rtl92e_ips_leave(dev);
 448                                 up(&priv->rtllib->ips_sem);
 449                         }
 450                 }
 451                 rtllib_stop_scan(priv->rtllib);
 452                 if (priv->rtllib->LedControlHandler)
 453                         priv->rtllib->LedControlHandler(dev,
 454                                                          LED_CTL_SITE_SURVEY);
 455
 456                 if (priv->rtllib->eRFPowerState != eRfOff) {
 457                         priv->rtllib->actscanning = true;
 458
 459                         if (ieee->ScanOperationBackupHandler)
 460                                 ieee->ScanOperationBackupHandler(ieee->dev,
 461                                                          SCAN_OPT_BACKUP);
 462
 463                         rtllib_start_scan_syncro(priv->rtllib, 0);
 464
 465                         if (ieee->ScanOperationBackupHandler)
 466                                 ieee->ScanOperationBackupHandler(ieee->dev,
 467                                                          SCAN_OPT_RESTORE);
 468                 }
 469                 ret = 0;
 470         } else {
 471                 priv->rtllib->actscanning = true;
 472                 ret = rtllib_wx_set_scan(priv->rtllib, a, wrqu, b);
 473         }
 474
 475         up(&priv->wx_sem);
 476         return ret;
 477 }
 478
 479
 480 static int _rtl92e_wx_get_scan(struct net_device *dev,
 481                                struct iw_request_info *a,
 482                                union iwreq_data *wrqu, char *b)
 483 {
 484
 485         int ret;
 486         struct r8192_priv *priv = rtllib_priv(dev);
 487
 488         if (!priv->up)
 489                 return -ENETDOWN;
 490
 491         if (priv->bHwRadioOff)
 492                 return 0;
 493
 494
 495         down(&priv->wx_sem);
 496
 497         ret = rtllib_wx_get_scan(priv->rtllib, a, wrqu, b);
 498
 499         up(&priv->wx_sem);
 500
 501         return ret;
 502 }
 503
 504 static int _rtl92e_wx_set_essid(struct net_device *dev,
 505                                 struct iw_request_info *a,
 506                                 union iwreq_data *wrqu, char *b)
 507 {
 508         struct r8192_priv *priv = rtllib_priv(dev);
 509         int ret;
 510
 511         if (priv->bHwRadioOff) {
 512                 netdev_info(dev,
 513                             "=========>%s():hw radio off,or Rf state is eRfOff, return\n",
 514                             __func__);
 515                 return 0;
 516         }
 517         down(&priv->wx_sem);
 518         ret = rtllib_wx_set_essid(priv->rtllib, a, wrqu, b);
 519
 520         up(&priv->wx_sem);
 521
 522         return ret;
 523 }
 524
 525 static int _rtl92e_wx_get_essid(struct net_device *dev,
 526                                 struct iw_request_info *a,
 527                                 union iwreq_data *wrqu, char *b)
 528 {
 529         int ret;
 530         struct r8192_priv *priv = rtllib_priv(dev);
 531
 532         down(&priv->wx_sem);
 533
 534         ret = rtllib_wx_get_essid(priv->rtllib, a, wrqu, b);
 535
 536         up(&priv->wx_sem);
 537
 538         return ret;
 539 }
 540
 541 static int _rtl92e_wx_set_nick(struct net_device *dev,
 542                                struct iw_request_info *info,
 543                                union iwreq_data *wrqu, char *extra)
 544 {
 545         struct r8192_priv *priv = rtllib_priv(dev);
 546
 547         if (wrqu->data.length > IW_ESSID_MAX_SIZE)
 548                 return -E2BIG;
 549         down(&priv->wx_sem);
 550         wrqu->data.length = min_t(size_t, wrqu->data.length,
 551                                   sizeof(priv->nick));
 552         memset(priv->nick, 0, sizeof(priv->nick));
 553         memcpy(priv->nick, extra, wrqu->data.length);
 554         up(&priv->wx_sem);
 555         return 0;
 556
 557 }
 558
 559 static int _rtl92e_wx_get_nick(struct net_device *dev,
 560                                struct iw_request_info *info,
 561                                union iwreq_data *wrqu, char *extra)
 562 {
 563         struct r8192_priv *priv = rtllib_priv(dev);
 564
 565         down(&priv->wx_sem);
 566         wrqu->data.length = strlen(priv->nick);
 567         memcpy(extra, priv->nick, wrqu->data.length);
 568         wrqu->data.flags = 1;   /* active */
 569         up(&priv->wx_sem);
 570         return 0;
 571 }
 572
 573 static int _rtl92e_wx_set_freq(struct net_device *dev,
 574                                struct iw_request_info *a,
 575                                union iwreq_data *wrqu, char *b)
 576 {
 577         int ret;
 578         struct r8192_priv *priv = rtllib_priv(dev);
 579
 580         if (priv->bHwRadioOff)
 581                 return 0;
 582
 583         down(&priv->wx_sem);
 584
 585         ret = rtllib_wx_set_freq(priv->rtllib, a, wrqu, b);
 586
 587         up(&priv->wx_sem);
 588         return ret;
 589 }
 590
 591 static int _rtl92e_wx_get_name(struct net_device *dev,
 592                                struct iw_request_info *info,
 593                                union iwreq_data *wrqu, char *extra)
 594 {
 595         struct r8192_priv *priv = rtllib_priv(dev);
 596
 597         return rtllib_wx_get_name(priv->rtllib, info, wrqu, extra);
 598 }
 599
 600
 601 static int _rtl92e_wx_set_frag(struct net_device *dev,
 602                                struct iw_request_info *info,
 603                                union iwreq_data *wrqu, char *extra)
 604 {
 605         struct r8192_priv *priv = rtllib_priv(dev);
 606
 607         if (priv->bHwRadioOff)
 608                 return 0;
 609
 610         if (wrqu->frag.disabled)
 611                 priv->rtllib->fts = DEFAULT_FRAG_THRESHOLD;
 612         else {
 613                 if (wrqu->frag.value < MIN_FRAG_THRESHOLD ||
 614                     wrqu->frag.value > MAX_FRAG_THRESHOLD)
 615                         return -EINVAL;
 616
 617                 priv->rtllib->fts = wrqu->frag.value & ~0x1;
 618         }
 619
 620         return 0;
 621 }
 622
 623
 624 static int _rtl92e_wx_get_frag(struct net_device *dev,
 625                                struct iw_request_info *info,
 626                                union iwreq_data *wrqu, char *extra)
 627 {
 628         struct r8192_priv *priv = rtllib_priv(dev);
 629
 630         wrqu->frag.value = priv->rtllib->fts;
 631         wrqu->frag.fixed = 0;   /* no auto select */
 632         wrqu->frag.disabled = (wrqu->frag.value == DEFAULT_FRAG_THRESHOLD);
 633
 634         return 0;
 635 }
 636
 637
 638 static int _rtl92e_wx_set_wap(struct net_device *dev,
 639                               struct iw_request_info *info,
 640                               union iwreq_data *awrq, char *extra)
 641 {
 642         int ret;
 643         struct r8192_priv *priv = rtllib_priv(dev);
 644
 645         if (priv->bHwRadioOff)
 646                 return 0;
 647
 648         down(&priv->wx_sem);
 649
 650         ret = rtllib_wx_set_wap(priv->rtllib, info, awrq, extra);
 651
 652         up(&priv->wx_sem);
 653
 654         return ret;
 655
 656 }
 657
 658
 659 static int _rtl92e_wx_get_wap(struct net_device *dev,
 660                               struct iw_request_info *info,
 661                               union iwreq_data *wrqu, char *extra)
 662 {
 663         struct r8192_priv *priv = rtllib_priv(dev);
 664
 665         return rtllib_wx_get_wap(priv->rtllib, info, wrqu, extra);
 666 }
 667
 668
 669 static int _rtl92e_wx_get_enc(struct net_device *dev,
 670                               struct iw_request_info *info,
 671                               union iwreq_data *wrqu, char *key)
 672 {
 673         struct r8192_priv *priv = rtllib_priv(dev);
 674
 675         return rtllib_wx_get_encode(priv->rtllib, info, wrqu, key);
 676 }
 677
 678 static int _rtl92e_wx_set_enc(struct net_device *dev,
 679                               struct iw_request_info *info,
 680                               union iwreq_data *wrqu, char *key)
 681 {
 682         struct r8192_priv *priv = rtllib_priv(dev);
 683         int ret;
 684
 685         struct rtllib_device *ieee = priv->rtllib;
 686         u32 hwkey[4] = {0, 0, 0, 0};
 687         u8 mask = 0xff;
 688         u32 key_idx = 0;
 689         u8 zero_addr[4][6] = {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
 690                              {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
 691                              {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
 692                              {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
 693         int i;
 694
 695         if (priv->bHwRadioOff)
 696                 return 0;
 697
 698         if (!priv->up)
 699                 return -ENETDOWN;
 700
 701         priv->rtllib->wx_set_enc = 1;
 702         down(&priv->rtllib->ips_sem);
 703         rtl92e_ips_leave(dev);
 704         up(&priv->rtllib->ips_sem);
 705         down(&priv->wx_sem);
 706
 707         RT_TRACE(COMP_SEC, "Setting SW wep key");
 708         ret = rtllib_wx_set_encode(priv->rtllib, info, wrqu, key);
 709         up(&priv->wx_sem);
 710
 711
 712         if (wrqu->encoding.flags & IW_ENCODE_DISABLED) {
 713                 ieee->pairwise_key_type = ieee->group_key_type = KEY_TYPE_NA;
 714                 rtl92e_cam_reset(dev);
 715                 memset(priv->rtllib->swcamtable, 0,
 716                        sizeof(struct sw_cam_table) * 32);
 717                 goto end_hw_sec;
 718         }
 719         if (wrqu->encoding.length != 0) {
 720
 721                 for (i = 0; i < 4; i++) {
 722                         hwkey[i] |=  key[4*i+0]&mask;
 723                         if (i == 1 && (4 * i + 1) == wrqu->encoding.length)
 724                                 mask = 0x00;
 725                         if (i == 3 && (4 * i + 1) == wrqu->encoding.length)
 726                                 mask = 0x00;
 727                         hwkey[i] |= (key[4 * i + 1] & mask) << 8;
 728                         hwkey[i] |= (key[4 * i + 2] & mask) << 16;
 729                         hwkey[i] |= (key[4 * i + 3] & mask) << 24;
 730                 }
 731
 732                 switch (wrqu->encoding.flags & IW_ENCODE_INDEX) {
 733                 case 0:
 734                         key_idx = ieee->crypt_info.tx_keyidx;
 735                         break;
 736                 case 1:
 737                         key_idx = 0;
 738                         break;
 739                 case 2:
 740                         key_idx = 1;
 741                         break;
 742                 case 3:
 743                         key_idx = 2;
 744                         break;
 745                 case 4:
 746                         key_idx = 3;
 747                         break;
 748                 default:
 749                         break;
 750                 }
 751                 if (wrqu->encoding.length == 0x5) {
 752                         ieee->pairwise_key_type = KEY_TYPE_WEP40;
 753                         rtl92e_enable_hw_security_config(dev);
 754                 }
 755
 756                 else if (wrqu->encoding.length == 0xd) {
 757                         ieee->pairwise_key_type = KEY_TYPE_WEP104;
 758                                 rtl92e_enable_hw_security_config(dev);
 759                         rtl92e_set_key(dev, key_idx, key_idx, KEY_TYPE_WEP104,
 760                                        zero_addr[key_idx], 0, hwkey);
 761                         rtl92e_set_swcam(dev, key_idx, key_idx, KEY_TYPE_WEP104,
 762                                          zero_addr[key_idx], 0, hwkey, 0);
 763                 } else {
 764                         netdev_info(dev,
 765                                     "wrong type in WEP, not WEP40 and WEP104\n");
 766                 }
 767         }
 768
 769 end_hw_sec:
 770         priv->rtllib->wx_set_enc = 0;
 771         return ret;
 772 }
 773
 774 static int _rtl92e_wx_set_scan_type(struct net_device *dev,
 775                                     struct iw_request_info *aa,
 776                                     union iwreq_data *wrqu, char *p)
 777 {
 778         struct r8192_priv *priv = rtllib_priv(dev);
 779         int *parms = (int *)p;
 780         int mode = parms[0];
 781
 782         if (priv->bHwRadioOff)
 783                 return 0;
 784
 785         priv->rtllib->active_scan = mode;
 786
 787         return 1;
 788 }
 789
 790
 791
 792 #define R8192_MAX_RETRY 255
 793 static int _rtl92e_wx_set_retry(struct net_device *dev,
 794                                 struct iw_request_info *info,
 795                                 union iwreq_data *wrqu, char *extra)
 796 {
 797         struct r8192_priv *priv = rtllib_priv(dev);
 798         int err = 0;
 799
 800         if (priv->bHwRadioOff)
 801                 return 0;
 802
 803         down(&priv->wx_sem);
 804
 805         if (wrqu->retry.flags & IW_RETRY_LIFETIME ||
 806             wrqu->retry.disabled) {
 807                 err = -EINVAL;
 808                 goto exit;
 809         }
 810         if (!(wrqu->retry.flags & IW_RETRY_LIMIT)) {
 811                 err = -EINVAL;
 812                 goto exit;
 813         }
 814
 815         if (wrqu->retry.value > R8192_MAX_RETRY) {
 816                 err = -EINVAL;
 817                 goto exit;
 818         }
 819         if (wrqu->retry.flags & IW_RETRY_MAX)
 820                 priv->retry_rts = wrqu->retry.value;
 821         else
 822                 priv->retry_data = wrqu->retry.value;
 823
 824         rtl92e_commit(dev);
 825 exit:
 826         up(&priv->wx_sem);
 827
 828         return err;
 829 }
 830
 831 static int _rtl92e_wx_get_retry(struct net_device *dev,
 832                                 struct iw_request_info *info,
 833                                 union iwreq_data *wrqu, char *extra)
 834 {
 835         struct r8192_priv *priv = rtllib_priv(dev);
 836
 837
 838         wrqu->retry.disabled = 0; /* can't be disabled */
 839
 840         if ((wrqu->retry.flags & IW_RETRY_TYPE) ==
 841             IW_RETRY_LIFETIME)
 842                 return -EINVAL;
 843
 844         if (wrqu->retry.flags & IW_RETRY_MAX) {
 845                 wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
 846                 wrqu->retry.value = priv->retry_rts;
 847         } else {
 848                 wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_MIN;
 849                 wrqu->retry.value = priv->retry_data;
 850         }
 851         return 0;
 852 }
 853
 854 static int _rtl92e_wx_get_sens(struct net_device *dev,
 855                                struct iw_request_info *info,
 856                                union iwreq_data *wrqu, char *extra)
 857 {
 858         struct r8192_priv *priv = rtllib_priv(dev);
 859
 860         if (priv->rf_set_sens == NULL)
 861                 return -1; /* we have not this support for this radio */
 862         wrqu->sens.value = priv->sens;
 863         return 0;
 864 }
 865
 866
 867 static int _rtl92e_wx_set_sens(struct net_device *dev,
 868                                struct iw_request_info *info,
 869                                union iwreq_data *wrqu, char *extra)
 870 {
 871
 872         struct r8192_priv *priv = rtllib_priv(dev);
 873
 874         short err = 0;
 875
 876         if (priv->bHwRadioOff)
 877                 return 0;
 878
 879         down(&priv->wx_sem);
 880         if (priv->rf_set_sens == NULL) {
 881                 err = -1; /* we have not this support for this radio */
 882                 goto exit;
 883         }
 884         if (priv->rf_set_sens(dev, wrqu->sens.value) == 0)
 885                 priv->sens = wrqu->sens.value;
 886         else
 887                 err = -EINVAL;
 888
 889 exit:
 890         up(&priv->wx_sem);
 891
 892         return err;
 893 }
 894
 895 static int _rtl92e_wx_set_encode_ext(struct net_device *dev,
 896                                      struct iw_request_info *info,
 897                                      union iwreq_data *wrqu, char *extra)
 898 {
 899         int ret = 0;
 900         struct r8192_priv *priv = rtllib_priv(dev);
 901         struct rtllib_device *ieee = priv->rtllib;
 902
 903         if (priv->bHwRadioOff)
 904                 return 0;
 905
 906         down(&priv->wx_sem);
 907
 908         priv->rtllib->wx_set_enc = 1;
 909         down(&priv->rtllib->ips_sem);
 910         rtl92e_ips_leave(dev);
 911         up(&priv->rtllib->ips_sem);
 912
 913         ret = rtllib_wx_set_encode_ext(ieee, info, wrqu, extra);
 914         {
 915                 const u8 broadcast_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 916                 const u8 zero[ETH_ALEN] = {0};
 917                 u32 key[4] = {0};
 918                 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
 919                 struct iw_point *encoding = &wrqu->encoding;
 920                 u8 idx = 0, alg = 0, group = 0;
 921
 922                 if ((encoding->flags & IW_ENCODE_DISABLED) ||
 923                      ext->alg == IW_ENCODE_ALG_NONE) {
 924                         ieee->pairwise_key_type = ieee->group_key_type
 925                                                 = KEY_TYPE_NA;
 926                         rtl92e_cam_reset(dev);
 927                         memset(priv->rtllib->swcamtable, 0,
 928                                sizeof(struct sw_cam_table) * 32);
 929                         goto end_hw_sec;
 930                 }
 931                 alg = (ext->alg == IW_ENCODE_ALG_CCMP) ? KEY_TYPE_CCMP :
 932                       ext->alg;
 933                 idx = encoding->flags & IW_ENCODE_INDEX;
 934                 if (idx)
 935                         idx--;
 936                 group = ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY;
 937
 938                 if ((!group) || (ieee->iw_mode == IW_MODE_ADHOC) ||
 939                     (alg ==  KEY_TYPE_WEP40)) {
 940                         if ((ext->key_len == 13) && (alg == KEY_TYPE_WEP40))
 941                                 alg = KEY_TYPE_WEP104;
 942                         ieee->pairwise_key_type = alg;
 943                         rtl92e_enable_hw_security_config(dev);
 944                 }
 945                 memcpy((u8 *)key, ext->key, 16);
 946
 947                 if ((alg & KEY_TYPE_WEP40) && (ieee->auth_mode != 2)) {
 948                         if (ext->key_len == 13)
 949                                 ieee->pairwise_key_type = alg = KEY_TYPE_WEP104;
 950                         rtl92e_set_key(dev, idx, idx, alg, zero, 0, key);
 951                         rtl92e_set_swcam(dev, idx, idx, alg, zero, 0, key, 0);
 952                 } else if (group) {
 953                         ieee->group_key_type = alg;
 954                         rtl92e_set_key(dev, idx, idx, alg, broadcast_addr, 0,
 955                                        key);
 956                         rtl92e_set_swcam(dev, idx, idx, alg, broadcast_addr, 0,
 957                                          key, 0);
 958                 } else {
 959                         if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) &&
 960                              ieee->pHTInfo->bCurrentHTSupport)
 961                                 rtl92e_writeb(dev, 0x173, 1);
 962                         rtl92e_set_key(dev, 4, idx, alg,
 963                                        (u8 *)ieee->ap_mac_addr, 0, key);
 964                         rtl92e_set_swcam(dev, 4, idx, alg,
 965                                          (u8 *)ieee->ap_mac_addr, 0, key, 0);
 966                 }
 967
 968
 969         }
 970
 971 end_hw_sec:
 972         priv->rtllib->wx_set_enc = 0;
 973         up(&priv->wx_sem);
 974         return ret;
 975
 976 }
 977
 978 static int _rtl92e_wx_set_auth(struct net_device *dev,
 979                                struct iw_request_info *info,
 980                                union iwreq_data *data, char *extra)
 981 {
 982         int ret = 0;
 983
 984         struct r8192_priv *priv = rtllib_priv(dev);
 985
 986         if (priv->bHwRadioOff)
 987                 return 0;
 988
 989         down(&priv->wx_sem);
 990         ret = rtllib_wx_set_auth(priv->rtllib, info, &(data->param), extra);
 991         up(&priv->wx_sem);
 992         return ret;
 993 }
 994
 995 static int _rtl92e_wx_set_mlme(struct net_device *dev,
 996                                struct iw_request_info *info,
 997                                union iwreq_data *wrqu, char *extra)
 998 {
 999
1000         int ret = 0;
1001
1002         struct r8192_priv *priv = rtllib_priv(dev);
1003
1004         if (priv->bHwRadioOff)
1005                 return 0;
1006
1007         down(&priv->wx_sem);
1008         ret = rtllib_wx_set_mlme(priv->rtllib, info, wrqu, extra);
1009         up(&priv->wx_sem);
1010         return ret;
1011 }
1012
1013 static int _rtl92e_wx_set_gen_ie(struct net_device *dev,
1014                                  struct iw_request_info *info,
1015                                  union iwreq_data *data, char *extra)
1016 {
1017         int ret = 0;
1018
1019         struct r8192_priv *priv = rtllib_priv(dev);
1020
1021         if (priv->bHwRadioOff)
1022                 return 0;
1023
1024         down(&priv->wx_sem);
1025         ret = rtllib_wx_set_gen_ie(priv->rtllib, extra, data->data.length);
1026         up(&priv->wx_sem);
1027         return ret;
1028 }
1029
1030 static int _rtl92e_wx_get_gen_ie(struct net_device *dev,
1031                                  struct iw_request_info *info,
1032                                  union iwreq_data *data, char *extra)
1033 {
1034         int ret = 0;
1035         struct r8192_priv *priv = rtllib_priv(dev);
1036         struct rtllib_device *ieee = priv->rtllib;
1037
1038         if (ieee->wpa_ie_len == 0 || ieee->wpa_ie == NULL) {
1039                 data->data.length = 0;
1040                 return 0;
1041         }
1042
1043         if (data->data.length < ieee->wpa_ie_len)
1044                 return -E2BIG;
1045
1046         data->data.length = ieee->wpa_ie_len;
1047         memcpy(extra, ieee->wpa_ie, ieee->wpa_ie_len);
1048         return ret;
1049 }
1050
1051 #define OID_RT_INTEL_PROMISCUOUS_MODE   0xFF0101F6
1052
1053 static int _rtl92e_wx_set_promisc_mode(struct net_device *dev,
1054                                        struct iw_request_info *info,
1055                                        union iwreq_data *wrqu, char *extra)
1056 {
1057         struct r8192_priv *priv = rtllib_priv(dev);
1058         struct rtllib_device *ieee = priv->rtllib;
1059
1060         u32 info_buf[3];
1061
1062         u32 oid;
1063         u32 bPromiscuousOn;
1064         u32 bFilterSourceStationFrame;
1065
1066         if (copy_from_user(info_buf, wrqu->data.pointer, sizeof(info_buf)))
1067                 return -EFAULT;
1068
1069         oid = info_buf[0];
1070         bPromiscuousOn = info_buf[1];
1071         bFilterSourceStationFrame = info_buf[2];
1072
1073         if (oid == OID_RT_INTEL_PROMISCUOUS_MODE) {
1074                 ieee->IntelPromiscuousModeInfo.bPromiscuousOn =
1075                                         (bPromiscuousOn) ? (true) : (false);
1076                 ieee->IntelPromiscuousModeInfo.bFilterSourceStationFrame =
1077                         (bFilterSourceStationFrame) ? (true) : (false);
1078                         (bPromiscuousOn) ?
1079                         (rtllib_EnableIntelPromiscuousMode(dev, false)) :
1080                         (rtllib_DisableIntelPromiscuousMode(dev, false));
1081
1082                 netdev_info(dev,
1083                             "=======>%s(), on = %d, filter src sta = %d\n",
1084                             __func__, bPromiscuousOn,
1085                             bFilterSourceStationFrame);
1086         } else {
1087                 return -1;
1088         }
1089
1090         return 0;
1091 }
1092
1093
1094 static int _rtl92e_wx_get_promisc_mode(struct net_device *dev,
1095                                        struct iw_request_info *info,
1096                                        union iwreq_data *wrqu, char *extra)
1097 {
1098         struct r8192_priv *priv = rtllib_priv(dev);
1099         struct rtllib_device *ieee = priv->rtllib;
1100
1101         down(&priv->wx_sem);
1102
1103         snprintf(extra, 45, "PromiscuousMode:%d, FilterSrcSTAFrame:%d",
1104                  ieee->IntelPromiscuousModeInfo.bPromiscuousOn,
1105                  ieee->IntelPromiscuousModeInfo.bFilterSourceStationFrame);
1106         wrqu->data.length = strlen(extra) + 1;
1107
1108         up(&priv->wx_sem);
1109
1110         return 0;
1111 }
1112
1113
1114 #define IW_IOCTL(x) ((x) - SIOCSIWCOMMIT)
1115 static iw_handler r8192_wx_handlers[] = {
1116         [IW_IOCTL(SIOCGIWNAME)] = _rtl92e_wx_get_name,
1117         [IW_IOCTL(SIOCSIWFREQ)] = _rtl92e_wx_set_freq,
1118         [IW_IOCTL(SIOCGIWFREQ)] = _rtl92e_wx_get_freq,
1119         [IW_IOCTL(SIOCSIWMODE)] = _rtl92e_wx_set_mode,
1120         [IW_IOCTL(SIOCGIWMODE)] = _rtl92e_wx_get_mode,
1121         [IW_IOCTL(SIOCSIWSENS)] = _rtl92e_wx_set_sens,
1122         [IW_IOCTL(SIOCGIWSENS)] = _rtl92e_wx_get_sens,
1123         [IW_IOCTL(SIOCGIWRANGE)] = _rtl92e_wx_get_range,
1124         [IW_IOCTL(SIOCSIWAP)] = _rtl92e_wx_set_wap,
1125         [IW_IOCTL(SIOCGIWAP)] = _rtl92e_wx_get_wap,
1126         [IW_IOCTL(SIOCSIWSCAN)] = _rtl92e_wx_set_scan,
1127         [IW_IOCTL(SIOCGIWSCAN)] = _rtl92e_wx_get_scan,
1128         [IW_IOCTL(SIOCSIWESSID)] = _rtl92e_wx_set_essid,
1129         [IW_IOCTL(SIOCGIWESSID)] = _rtl92e_wx_get_essid,
1130         [IW_IOCTL(SIOCSIWNICKN)] = _rtl92e_wx_set_nick,
1131         [IW_IOCTL(SIOCGIWNICKN)] = _rtl92e_wx_get_nick,
1132         [IW_IOCTL(SIOCSIWRATE)] = _rtl92e_wx_set_rate,
1133         [IW_IOCTL(SIOCGIWRATE)] = _rtl92e_wx_get_rate,
1134         [IW_IOCTL(SIOCSIWRTS)] = _rtl92e_wx_set_rts,
1135         [IW_IOCTL(SIOCGIWRTS)] = _rtl92e_wx_get_rts,
1136         [IW_IOCTL(SIOCSIWFRAG)] = _rtl92e_wx_set_frag,
1137         [IW_IOCTL(SIOCGIWFRAG)] = _rtl92e_wx_get_frag,
1138         [IW_IOCTL(SIOCSIWRETRY)] = _rtl92e_wx_set_retry,
1139         [IW_IOCTL(SIOCGIWRETRY)] = _rtl92e_wx_get_retry,
1140         [IW_IOCTL(SIOCSIWENCODE)] = _rtl92e_wx_set_enc,
1141         [IW_IOCTL(SIOCGIWENCODE)] = _rtl92e_wx_get_enc,
1142         [IW_IOCTL(SIOCSIWPOWER)] = _rtl92e_wx_set_power,
1143         [IW_IOCTL(SIOCGIWPOWER)] = _rtl92e_wx_get_power,
1144         [IW_IOCTL(SIOCSIWGENIE)] = _rtl92e_wx_set_gen_ie,
1145         [IW_IOCTL(SIOCGIWGENIE)] = _rtl92e_wx_get_gen_ie,
1146         [IW_IOCTL(SIOCSIWMLME)] = _rtl92e_wx_set_mlme,
1147         [IW_IOCTL(SIOCSIWAUTH)] = _rtl92e_wx_set_auth,
1148         [IW_IOCTL(SIOCSIWENCODEEXT)] = _rtl92e_wx_set_encode_ext,
1149 };
1150
1151 /* the following rule need to be following,
1152  * Odd : get (world access),
1153  * even : set (root access)
1154  */
1155 static const struct iw_priv_args r8192_private_args[] = {
1156         {
1157                 SIOCIWFIRSTPRIV + 0x0,
1158                 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_debugflag"
1159         }, {
1160                 SIOCIWFIRSTPRIV + 0x1,
1161                 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "activescan"
1162         }, {
1163                 SIOCIWFIRSTPRIV + 0x2,
1164                 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "rawtx"
1165         }, {
1166                 SIOCIWFIRSTPRIV + 0x3,
1167                 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "forcereset"
1168         }, {
1169                 SIOCIWFIRSTPRIV + 0x6,
1170                 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED|1, IW_PRIV_TYPE_NONE,
1171                 "set_power"
1172         }, {
1173                 SIOCIWFIRSTPRIV + 0xa,
1174                 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED|1, IW_PRIV_TYPE_NONE,
1175                 "lps_interv"
1176         }, {
1177                 SIOCIWFIRSTPRIV + 0xb,
1178                 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED|1, IW_PRIV_TYPE_NONE,
1179                 "lps_force"
1180         }, {
1181                 SIOCIWFIRSTPRIV + 0x16,
1182                 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 3, 0, "setpromisc"
1183         }, {
1184                 SIOCIWFIRSTPRIV + 0x17,
1185                 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 45, "getpromisc"
1186         }
1187
1188 };
1189
1190 static iw_handler r8192_private_handler[] = {
1191         (iw_handler)_rtl92e_wx_set_debug,   /*SIOCIWSECONDPRIV*/
1192         (iw_handler)_rtl92e_wx_set_scan_type,
1193         (iw_handler)_rtl92e_wx_set_rawtx,
1194         (iw_handler)_rtl92e_wx_force_reset,
1195         (iw_handler)NULL,
1196         (iw_handler)NULL,
1197         (iw_handler)_rtl92e_wx_adapter_power_status,
1198         (iw_handler)NULL,
1199         (iw_handler)NULL,
1200         (iw_handler)NULL,
1201         (iw_handler)_rtl92e_wx_set_lps_awake_interval,
1202         (iw_handler)_rtl92e_wx_set_force_lps,
1203         (iw_handler)NULL,
1204         (iw_handler)NULL,
1205         (iw_handler)NULL,
1206         (iw_handler)NULL,
1207         (iw_handler)NULL,
1208         (iw_handler)NULL,
1209         (iw_handler)NULL,
1210         (iw_handler)NULL,
1211         (iw_handler)NULL,
1212         (iw_handler)NULL,
1213         (iw_handler)_rtl92e_wx_set_promisc_mode,
1214         (iw_handler)_rtl92e_wx_get_promisc_mode,
1215 };
1216
1217 static struct iw_statistics *_rtl92e_get_wireless_stats(struct net_device *dev)
1218 {
1219         struct r8192_priv *priv = rtllib_priv(dev);
1220         struct rtllib_device *ieee = priv->rtllib;
1221         struct iw_statistics *wstats = &priv->wstats;
1222         int tmp_level = 0;
1223         int tmp_qual = 0;
1224         int tmp_noise = 0;
1225
1226         if (ieee->state < RTLLIB_LINKED) {
1227                 wstats->qual.qual = 10;
1228                 wstats->qual.level = 0;
1229                 wstats->qual.noise = 0x100 - 100;       /* -100 dBm */
1230                 wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
1231                 return wstats;
1232         }
1233
1234         tmp_level = (&ieee->current_network)->stats.rssi;
1235         tmp_qual = (&ieee->current_network)->stats.signal;
1236         tmp_noise = (&ieee->current_network)->stats.noise;
1237
1238         wstats->qual.level = tmp_level;
1239         wstats->qual.qual = tmp_qual;
1240         wstats->qual.noise = tmp_noise;
1241         wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
1242         return wstats;
1243 }
1244
1245 const struct iw_handler_def r8192_wx_handlers_def = {
1246         .standard = r8192_wx_handlers,
1247         .num_standard = ARRAY_SIZE(r8192_wx_handlers),
1248         .private = r8192_private_handler,
1249         .num_private = ARRAY_SIZE(r8192_private_handler),
1250         .num_private_args = sizeof(r8192_private_args) /
1251                             sizeof(struct iw_priv_args),
1252         .get_wireless_stats = _rtl92e_get_wireless_stats,
1253         .private_args = (struct iw_priv_args *)r8192_private_args,
1254 };