kernel/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                         ieee->current_network.ssid_len = req->essid_len;
 423                         memcpy(ieee->current_network.ssid, req->essid,
 424                                req->essid_len);
 425                 }
 426         }
 427
 428         down(&priv->wx_sem);
 429
 430         priv->rtllib->FirstIe_InScan = true;
 431
 432         if (priv->rtllib->state != RTLLIB_LINKED) {
 433                 if (priv->rtllib->PowerSaveControl.bInactivePs) {
 434                         if (rtState == eRfOff) {
 435                                 if (priv->rtllib->RfOffReason >
 436                                     RF_CHANGE_BY_IPS) {
 437                                         netdev_warn(dev, "%s(): RF is OFF.\n",
 438                                                     __func__);
 439                                         up(&priv->wx_sem);
 440                                         return -1;
 441                                 }
 442                                 RT_TRACE(COMP_PS,
 443                                          "=========>%s(): rtl92e_ips_leave\n",
 444                                          __func__);
 445                                 down(&priv->rtllib->ips_sem);
 446                                 rtl92e_ips_leave(dev);
 447                                 up(&priv->rtllib->ips_sem);
 448                         }
 449                 }
 450                 rtllib_stop_scan(priv->rtllib);
 451                 if (priv->rtllib->LedControlHandler)
 452                         priv->rtllib->LedControlHandler(dev,
 453                                                          LED_CTL_SITE_SURVEY);
 454
 455                 if (priv->rtllib->eRFPowerState != eRfOff) {
 456                         priv->rtllib->actscanning = true;
 457
 458                         if (ieee->ScanOperationBackupHandler)
 459                                 ieee->ScanOperationBackupHandler(ieee->dev,
 460                                                          SCAN_OPT_BACKUP);
 461
 462                         rtllib_start_scan_syncro(priv->rtllib, 0);
 463
 464                         if (ieee->ScanOperationBackupHandler)
 465                                 ieee->ScanOperationBackupHandler(ieee->dev,
 466                                                          SCAN_OPT_RESTORE);
 467                 }
 468                 ret = 0;
 469         } else {
 470                 priv->rtllib->actscanning = true;
 471                 ret = rtllib_wx_set_scan(priv->rtllib, a, wrqu, b);
 472         }
 473
 474         up(&priv->wx_sem);
 475         return ret;
 476 }
 477
 478
 479 static int _rtl92e_wx_get_scan(struct net_device *dev,
 480                                struct iw_request_info *a,
 481                                union iwreq_data *wrqu, char *b)
 482 {
 483
 484         int ret;
 485         struct r8192_priv *priv = rtllib_priv(dev);
 486
 487         if (!priv->up)
 488                 return -ENETDOWN;
 489
 490         if (priv->bHwRadioOff)
 491                 return 0;
 492
 493
 494         down(&priv->wx_sem);
 495
 496         ret = rtllib_wx_get_scan(priv->rtllib, a, wrqu, b);
 497
 498         up(&priv->wx_sem);
 499
 500         return ret;
 501 }
 502
 503 static int _rtl92e_wx_set_essid(struct net_device *dev,
 504                                 struct iw_request_info *a,
 505                                 union iwreq_data *wrqu, char *b)
 506 {
 507         struct r8192_priv *priv = rtllib_priv(dev);
 508         int ret;
 509
 510         if (priv->bHwRadioOff) {
 511                 netdev_info(dev,
 512                             "=========>%s():hw radio off,or Rf state is eRfOff, return\n",
 513                             __func__);
 514                 return 0;
 515         }
 516         down(&priv->wx_sem);
 517         ret = rtllib_wx_set_essid(priv->rtllib, a, wrqu, b);
 518
 519         up(&priv->wx_sem);
 520
 521         return ret;
 522 }
 523
 524 static int _rtl92e_wx_get_essid(struct net_device *dev,
 525                                 struct iw_request_info *a,
 526                                 union iwreq_data *wrqu, char *b)
 527 {
 528         int ret;
 529         struct r8192_priv *priv = rtllib_priv(dev);
 530
 531         down(&priv->wx_sem);
 532
 533         ret = rtllib_wx_get_essid(priv->rtllib, a, wrqu, b);
 534
 535         up(&priv->wx_sem);
 536
 537         return ret;
 538 }
 539
 540 static int _rtl92e_wx_set_nick(struct net_device *dev,
 541                                struct iw_request_info *info,
 542                                union iwreq_data *wrqu, char *extra)
 543 {
 544         struct r8192_priv *priv = rtllib_priv(dev);
 545
 546         if (wrqu->data.length > IW_ESSID_MAX_SIZE)
 547                 return -E2BIG;
 548         down(&priv->wx_sem);
 549         wrqu->data.length = min_t(size_t, wrqu->data.length,
 550                                   sizeof(priv->nick));
 551         memset(priv->nick, 0, sizeof(priv->nick));
 552         memcpy(priv->nick, extra, wrqu->data.length);
 553         up(&priv->wx_sem);
 554         return 0;
 555
 556 }
 557
 558 static int _rtl92e_wx_get_nick(struct net_device *dev,
 559                                struct iw_request_info *info,
 560                                union iwreq_data *wrqu, char *extra)
 561 {
 562         struct r8192_priv *priv = rtllib_priv(dev);
 563
 564         down(&priv->wx_sem);
 565         wrqu->data.length = strlen(priv->nick);
 566         memcpy(extra, priv->nick, wrqu->data.length);
 567         wrqu->data.flags = 1;   /* active */
 568         up(&priv->wx_sem);
 569         return 0;
 570 }
 571
 572 static int _rtl92e_wx_set_freq(struct net_device *dev,
 573                                struct iw_request_info *a,
 574                                union iwreq_data *wrqu, char *b)
 575 {
 576         int ret;
 577         struct r8192_priv *priv = rtllib_priv(dev);
 578
 579         if (priv->bHwRadioOff)
 580                 return 0;
 581
 582         down(&priv->wx_sem);
 583
 584         ret = rtllib_wx_set_freq(priv->rtllib, a, wrqu, b);
 585
 586         up(&priv->wx_sem);
 587         return ret;
 588 }
 589
 590 static int _rtl92e_wx_get_name(struct net_device *dev,
 591                                struct iw_request_info *info,
 592                                union iwreq_data *wrqu, char *extra)
 593 {
 594         struct r8192_priv *priv = rtllib_priv(dev);
 595
 596         return rtllib_wx_get_name(priv->rtllib, info, wrqu, extra);
 597 }
 598
 599
 600 static int _rtl92e_wx_set_frag(struct net_device *dev,
 601                                struct iw_request_info *info,
 602                                union iwreq_data *wrqu, char *extra)
 603 {
 604         struct r8192_priv *priv = rtllib_priv(dev);
 605
 606         if (priv->bHwRadioOff)
 607                 return 0;
 608
 609         if (wrqu->frag.disabled)
 610                 priv->rtllib->fts = DEFAULT_FRAG_THRESHOLD;
 611         else {
 612                 if (wrqu->frag.value < MIN_FRAG_THRESHOLD ||
 613                     wrqu->frag.value > MAX_FRAG_THRESHOLD)
 614                         return -EINVAL;
 615
 616                 priv->rtllib->fts = wrqu->frag.value & ~0x1;
 617         }
 618
 619         return 0;
 620 }
 621
 622
 623 static int _rtl92e_wx_get_frag(struct net_device *dev,
 624                                struct iw_request_info *info,
 625                                union iwreq_data *wrqu, char *extra)
 626 {
 627         struct r8192_priv *priv = rtllib_priv(dev);
 628
 629         wrqu->frag.value = priv->rtllib->fts;
 630         wrqu->frag.fixed = 0;   /* no auto select */
 631         wrqu->frag.disabled = (wrqu->frag.value == DEFAULT_FRAG_THRESHOLD);
 632
 633         return 0;
 634 }
 635
 636
 637 static int _rtl92e_wx_set_wap(struct net_device *dev,
 638                               struct iw_request_info *info,
 639                               union iwreq_data *awrq, char *extra)
 640 {
 641         int ret;
 642         struct r8192_priv *priv = rtllib_priv(dev);
 643
 644         if (priv->bHwRadioOff)
 645                 return 0;
 646
 647         down(&priv->wx_sem);
 648
 649         ret = rtllib_wx_set_wap(priv->rtllib, info, awrq, extra);
 650
 651         up(&priv->wx_sem);
 652
 653         return ret;
 654
 655 }
 656
 657
 658 static int _rtl92e_wx_get_wap(struct net_device *dev,
 659                               struct iw_request_info *info,
 660                               union iwreq_data *wrqu, char *extra)
 661 {
 662         struct r8192_priv *priv = rtllib_priv(dev);
 663
 664         return rtllib_wx_get_wap(priv->rtllib, info, wrqu, extra);
 665 }
 666
 667
 668 static int _rtl92e_wx_get_enc(struct net_device *dev,
 669                               struct iw_request_info *info,
 670                               union iwreq_data *wrqu, char *key)
 671 {
 672         struct r8192_priv *priv = rtllib_priv(dev);
 673
 674         return rtllib_wx_get_encode(priv->rtllib, info, wrqu, key);
 675 }
 676
 677 static int _rtl92e_wx_set_enc(struct net_device *dev,
 678                               struct iw_request_info *info,
 679                               union iwreq_data *wrqu, char *key)
 680 {
 681         struct r8192_priv *priv = rtllib_priv(dev);
 682         int ret;
 683
 684         struct rtllib_device *ieee = priv->rtllib;
 685         u32 hwkey[4] = {0, 0, 0, 0};
 686         u8 mask = 0xff;
 687         u32 key_idx = 0;
 688         u8 zero_addr[4][6] = {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
 689                              {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
 690                              {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
 691                              {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
 692         int i;
 693
 694         if (priv->bHwRadioOff)
 695                 return 0;
 696
 697         if (!priv->up)
 698                 return -ENETDOWN;
 699
 700         priv->rtllib->wx_set_enc = 1;
 701         down(&priv->rtllib->ips_sem);
 702         rtl92e_ips_leave(dev);
 703         up(&priv->rtllib->ips_sem);
 704         down(&priv->wx_sem);
 705
 706         RT_TRACE(COMP_SEC, "Setting SW wep key");
 707         ret = rtllib_wx_set_encode(priv->rtllib, info, wrqu, key);
 708         up(&priv->wx_sem);
 709
 710
 711         if (wrqu->encoding.flags & IW_ENCODE_DISABLED) {
 712                 ieee->pairwise_key_type = ieee->group_key_type = KEY_TYPE_NA;
 713                 rtl92e_cam_reset(dev);
 714                 memset(priv->rtllib->swcamtable, 0,
 715                        sizeof(struct sw_cam_table) * 32);
 716                 goto end_hw_sec;
 717         }
 718         if (wrqu->encoding.length != 0) {
 719
 720                 for (i = 0; i < 4; i++) {
 721                         hwkey[i] |=  key[4*i+0]&mask;
 722                         if (i == 1 && (4 * i + 1) == wrqu->encoding.length)
 723                                 mask = 0x00;
 724                         if (i == 3 && (4 * i + 1) == wrqu->encoding.length)
 725                                 mask = 0x00;
 726                         hwkey[i] |= (key[4 * i + 1] & mask) << 8;
 727                         hwkey[i] |= (key[4 * i + 2] & mask) << 16;
 728                         hwkey[i] |= (key[4 * i + 3] & mask) << 24;
 729                 }
 730
 731                 switch (wrqu->encoding.flags & IW_ENCODE_INDEX) {
 732                 case 0:
 733                         key_idx = ieee->crypt_info.tx_keyidx;
 734                         break;
 735                 case 1:
 736                         key_idx = 0;
 737                         break;
 738                 case 2:
 739                         key_idx = 1;
 740                         break;
 741                 case 3:
 742                         key_idx = 2;
 743                         break;
 744                 case 4:
 745                         key_idx = 3;
 746                         break;
 747                 default:
 748                         break;
 749                 }
 750                 if (wrqu->encoding.length == 0x5) {
 751                         ieee->pairwise_key_type = KEY_TYPE_WEP40;
 752                         rtl92e_enable_hw_security_config(dev);
 753                 }
 754
 755                 else if (wrqu->encoding.length == 0xd) {
 756                         ieee->pairwise_key_type = KEY_TYPE_WEP104;
 757                                 rtl92e_enable_hw_security_config(dev);
 758                         rtl92e_set_key(dev, key_idx, key_idx, KEY_TYPE_WEP104,
 759                                        zero_addr[key_idx], 0, hwkey);
 760                         rtl92e_set_swcam(dev, key_idx, key_idx, KEY_TYPE_WEP104,
 761                                          zero_addr[key_idx], 0, hwkey, 0);
 762                 } else {
 763                         netdev_info(dev,
 764                                     "wrong type in WEP, not WEP40 and WEP104\n");
 765                 }
 766         }
 767
 768 end_hw_sec:
 769         priv->rtllib->wx_set_enc = 0;
 770         return ret;
 771 }
 772
 773 static int _rtl92e_wx_set_scan_type(struct net_device *dev,
 774                                     struct iw_request_info *aa,
 775                                     union iwreq_data *wrqu, char *p)
 776 {
 777         struct r8192_priv *priv = rtllib_priv(dev);
 778         int *parms = (int *)p;
 779         int mode = parms[0];
 780
 781         if (priv->bHwRadioOff)
 782                 return 0;
 783
 784         priv->rtllib->active_scan = mode;
 785
 786         return 1;
 787 }
 788
 789
 790
 791 #define R8192_MAX_RETRY 255
 792 static int _rtl92e_wx_set_retry(struct net_device *dev,
 793                                 struct iw_request_info *info,
 794                                 union iwreq_data *wrqu, char *extra)
 795 {
 796         struct r8192_priv *priv = rtllib_priv(dev);
 797         int err = 0;
 798
 799         if (priv->bHwRadioOff)
 800                 return 0;
 801
 802         down(&priv->wx_sem);
 803
 804         if (wrqu->retry.flags & IW_RETRY_LIFETIME ||
 805             wrqu->retry.disabled) {
 806                 err = -EINVAL;
 807                 goto exit;
 808         }
 809         if (!(wrqu->retry.flags & IW_RETRY_LIMIT)) {
 810                 err = -EINVAL;
 811                 goto exit;
 812         }
 813
 814         if (wrqu->retry.value > R8192_MAX_RETRY) {
 815                 err = -EINVAL;
 816                 goto exit;
 817         }
 818         if (wrqu->retry.flags & IW_RETRY_MAX)
 819                 priv->retry_rts = wrqu->retry.value;
 820         else
 821                 priv->retry_data = wrqu->retry.value;
 822
 823         rtl92e_commit(dev);
 824 exit:
 825         up(&priv->wx_sem);
 826
 827         return err;
 828 }
 829
 830 static int _rtl92e_wx_get_retry(struct net_device *dev,
 831                                 struct iw_request_info *info,
 832                                 union iwreq_data *wrqu, char *extra)
 833 {
 834         struct r8192_priv *priv = rtllib_priv(dev);
 835
 836
 837         wrqu->retry.disabled = 0; /* can't be disabled */
 838
 839         if ((wrqu->retry.flags & IW_RETRY_TYPE) ==
 840             IW_RETRY_LIFETIME)
 841                 return -EINVAL;
 842
 843         if (wrqu->retry.flags & IW_RETRY_MAX) {
 844                 wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
 845                 wrqu->retry.value = priv->retry_rts;
 846         } else {
 847                 wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_MIN;
 848                 wrqu->retry.value = priv->retry_data;
 849         }
 850         return 0;
 851 }
 852
 853 static int _rtl92e_wx_get_sens(struct net_device *dev,
 854                                struct iw_request_info *info,
 855                                union iwreq_data *wrqu, char *extra)
 856 {
 857         struct r8192_priv *priv = rtllib_priv(dev);
 858
 859         if (priv->rf_set_sens == NULL)
 860                 return -1; /* we have not this support for this radio */
 861         wrqu->sens.value = priv->sens;
 862         return 0;
 863 }
 864
 865
 866 static int _rtl92e_wx_set_sens(struct net_device *dev,
 867                                struct iw_request_info *info,
 868                                union iwreq_data *wrqu, char *extra)
 869 {
 870
 871         struct r8192_priv *priv = rtllib_priv(dev);
 872
 873         short err = 0;
 874
 875         if (priv->bHwRadioOff)
 876                 return 0;
 877
 878         down(&priv->wx_sem);
 879         if (priv->rf_set_sens == NULL) {
 880                 err = -1; /* we have not this support for this radio */
 881                 goto exit;
 882         }
 883         if (priv->rf_set_sens(dev, wrqu->sens.value) == 0)
 884                 priv->sens = wrqu->sens.value;
 885         else
 886                 err = -EINVAL;
 887
 888 exit:
 889         up(&priv->wx_sem);
 890
 891         return err;
 892 }
 893
 894 static int _rtl92e_wx_set_encode_ext(struct net_device *dev,
 895                                      struct iw_request_info *info,
 896                                      union iwreq_data *wrqu, char *extra)
 897 {
 898         int ret = 0;
 899         struct r8192_priv *priv = rtllib_priv(dev);
 900         struct rtllib_device *ieee = priv->rtllib;
 901
 902         if (priv->bHwRadioOff)
 903                 return 0;
 904
 905         down(&priv->wx_sem);
 906
 907         priv->rtllib->wx_set_enc = 1;
 908         down(&priv->rtllib->ips_sem);
 909         rtl92e_ips_leave(dev);
 910         up(&priv->rtllib->ips_sem);
 911
 912         ret = rtllib_wx_set_encode_ext(ieee, info, wrqu, extra);
 913         {
 914                 const u8 broadcast_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 915                 const u8 zero[ETH_ALEN] = {0};
 916                 u32 key[4] = {0};
 917                 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
 918                 struct iw_point *encoding = &wrqu->encoding;
 919                 u8 idx = 0, alg = 0, group = 0;
 920
 921                 if ((encoding->flags & IW_ENCODE_DISABLED) ||
 922                      ext->alg == IW_ENCODE_ALG_NONE) {
 923                         ieee->pairwise_key_type = ieee->group_key_type
 924                                                 = KEY_TYPE_NA;
 925                         rtl92e_cam_reset(dev);
 926                         memset(priv->rtllib->swcamtable, 0,
 927                                sizeof(struct sw_cam_table) * 32);
 928                         goto end_hw_sec;
 929                 }
 930                 alg = (ext->alg == IW_ENCODE_ALG_CCMP) ? KEY_TYPE_CCMP :
 931                       ext->alg;
 932                 idx = encoding->flags & IW_ENCODE_INDEX;
 933                 if (idx)
 934                         idx--;
 935                 group = ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY;
 936
 937                 if ((!group) || (ieee->iw_mode == IW_MODE_ADHOC) ||
 938                     (alg ==  KEY_TYPE_WEP40)) {
 939                         if ((ext->key_len == 13) && (alg == KEY_TYPE_WEP40))
 940                                 alg = KEY_TYPE_WEP104;
 941                         ieee->pairwise_key_type = alg;
 942                         rtl92e_enable_hw_security_config(dev);
 943                 }
 944                 memcpy((u8 *)key, ext->key, 16);
 945
 946                 if ((alg & KEY_TYPE_WEP40) && (ieee->auth_mode != 2)) {
 947                         if (ext->key_len == 13)
 948                                 ieee->pairwise_key_type = alg = KEY_TYPE_WEP104;
 949                         rtl92e_set_key(dev, idx, idx, alg, zero, 0, key);
 950                         rtl92e_set_swcam(dev, idx, idx, alg, zero, 0, key, 0);
 951                 } else if (group) {
 952                         ieee->group_key_type = alg;
 953                         rtl92e_set_key(dev, idx, idx, alg, broadcast_addr, 0,
 954                                        key);
 955                         rtl92e_set_swcam(dev, idx, idx, alg, broadcast_addr, 0,
 956                                          key, 0);
 957                 } else {
 958                         if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) &&
 959                              ieee->pHTInfo->bCurrentHTSupport)
 960                                 rtl92e_writeb(dev, 0x173, 1);
 961                         rtl92e_set_key(dev, 4, idx, alg,
 962                                        (u8 *)ieee->ap_mac_addr, 0, key);
 963                         rtl92e_set_swcam(dev, 4, idx, alg,
 964                                          (u8 *)ieee->ap_mac_addr, 0, key, 0);
 965                 }
 966
 967
 968         }
 969
 970 end_hw_sec:
 971         priv->rtllib->wx_set_enc = 0;
 972         up(&priv->wx_sem);
 973         return ret;
 974
 975 }
 976
 977 static int _rtl92e_wx_set_auth(struct net_device *dev,
 978                                struct iw_request_info *info,
 979                                union iwreq_data *data, char *extra)
 980 {
 981         int ret = 0;
 982
 983         struct r8192_priv *priv = rtllib_priv(dev);
 984
 985         if (priv->bHwRadioOff)
 986                 return 0;
 987
 988         down(&priv->wx_sem);
 989         ret = rtllib_wx_set_auth(priv->rtllib, info, &(data->param), extra);
 990         up(&priv->wx_sem);
 991         return ret;
 992 }
 993
 994 static int _rtl92e_wx_set_mlme(struct net_device *dev,
 995                                struct iw_request_info *info,
 996                                union iwreq_data *wrqu, char *extra)
 997 {
 998
 999         int ret = 0;
1000
1001         struct r8192_priv *priv = rtllib_priv(dev);
1002
1003         if (priv->bHwRadioOff)
1004                 return 0;
1005
1006         down(&priv->wx_sem);
1007         ret = rtllib_wx_set_mlme(priv->rtllib, info, wrqu, extra);
1008         up(&priv->wx_sem);
1009         return ret;
1010 }
1011
1012 static int _rtl92e_wx_set_gen_ie(struct net_device *dev,
1013                                  struct iw_request_info *info,
1014                                  union iwreq_data *data, char *extra)
1015 {
1016         int ret = 0;
1017
1018         struct r8192_priv *priv = rtllib_priv(dev);
1019
1020         if (priv->bHwRadioOff)
1021                 return 0;
1022
1023         down(&priv->wx_sem);
1024         ret = rtllib_wx_set_gen_ie(priv->rtllib, extra, data->data.length);
1025         up(&priv->wx_sem);
1026         return ret;
1027 }
1028
1029 static int _rtl92e_wx_get_gen_ie(struct net_device *dev,
1030                                  struct iw_request_info *info,
1031                                  union iwreq_data *data, char *extra)
1032 {
1033         int ret = 0;
1034         struct r8192_priv *priv = rtllib_priv(dev);
1035         struct rtllib_device *ieee = priv->rtllib;
1036
1037         if (ieee->wpa_ie_len == 0 || ieee->wpa_ie == NULL) {
1038                 data->data.length = 0;
1039                 return 0;
1040         }
1041
1042         if (data->data.length < ieee->wpa_ie_len)
1043                 return -E2BIG;
1044
1045         data->data.length = ieee->wpa_ie_len;
1046         memcpy(extra, ieee->wpa_ie, ieee->wpa_ie_len);
1047         return ret;
1048 }
1049
1050 #define OID_RT_INTEL_PROMISCUOUS_MODE   0xFF0101F6
1051
1052 static int _rtl92e_wx_set_promisc_mode(struct net_device *dev,
1053                                        struct iw_request_info *info,
1054                                        union iwreq_data *wrqu, char *extra)
1055 {
1056         struct r8192_priv *priv = rtllib_priv(dev);
1057         struct rtllib_device *ieee = priv->rtllib;
1058
1059         u32 info_buf[3];
1060
1061         u32 oid;
1062         u32 bPromiscuousOn;
1063         u32 bFilterSourceStationFrame;
1064
1065         if (copy_from_user(info_buf, wrqu->data.pointer, sizeof(info_buf)))
1066                 return -EFAULT;
1067
1068         oid = info_buf[0];
1069         bPromiscuousOn = info_buf[1];
1070         bFilterSourceStationFrame = info_buf[2];
1071
1072         if (oid == OID_RT_INTEL_PROMISCUOUS_MODE) {
1073                 ieee->IntelPromiscuousModeInfo.bPromiscuousOn =
1074                                         (bPromiscuousOn) ? (true) : (false);
1075                 ieee->IntelPromiscuousModeInfo.bFilterSourceStationFrame =
1076                         (bFilterSourceStationFrame) ? (true) : (false);
1077                         (bPromiscuousOn) ?
1078                         (rtllib_EnableIntelPromiscuousMode(dev, false)) :
1079                         (rtllib_DisableIntelPromiscuousMode(dev, false));
1080
1081                 netdev_info(dev,
1082                             "=======>%s(), on = %d, filter src sta = %d\n",
1083                             __func__, bPromiscuousOn,
1084                             bFilterSourceStationFrame);
1085         } else {
1086                 return -1;
1087         }
1088
1089         return 0;
1090 }
1091
1092
1093 static int _rtl92e_wx_get_promisc_mode(struct net_device *dev,
1094                                        struct iw_request_info *info,
1095                                        union iwreq_data *wrqu, char *extra)
1096 {
1097         struct r8192_priv *priv = rtllib_priv(dev);
1098         struct rtllib_device *ieee = priv->rtllib;
1099
1100         down(&priv->wx_sem);
1101
1102         snprintf(extra, 45, "PromiscuousMode:%d, FilterSrcSTAFrame:%d",
1103                  ieee->IntelPromiscuousModeInfo.bPromiscuousOn,
1104                  ieee->IntelPromiscuousModeInfo.bFilterSourceStationFrame);
1105         wrqu->data.length = strlen(extra) + 1;
1106
1107         up(&priv->wx_sem);
1108
1109         return 0;
1110 }
1111
1112
1113 #define IW_IOCTL(x) ((x) - SIOCSIWCOMMIT)
1114 static iw_handler r8192_wx_handlers[] = {
1115         [IW_IOCTL(SIOCGIWNAME)] = _rtl92e_wx_get_name,
1116         [IW_IOCTL(SIOCSIWFREQ)] = _rtl92e_wx_set_freq,
1117         [IW_IOCTL(SIOCGIWFREQ)] = _rtl92e_wx_get_freq,
1118         [IW_IOCTL(SIOCSIWMODE)] = _rtl92e_wx_set_mode,
1119         [IW_IOCTL(SIOCGIWMODE)] = _rtl92e_wx_get_mode,
1120         [IW_IOCTL(SIOCSIWSENS)] = _rtl92e_wx_set_sens,
1121         [IW_IOCTL(SIOCGIWSENS)] = _rtl92e_wx_get_sens,
1122         [IW_IOCTL(SIOCGIWRANGE)] = _rtl92e_wx_get_range,
1123         [IW_IOCTL(SIOCSIWAP)] = _rtl92e_wx_set_wap,
1124         [IW_IOCTL(SIOCGIWAP)] = _rtl92e_wx_get_wap,
1125         [IW_IOCTL(SIOCSIWSCAN)] = _rtl92e_wx_set_scan,
1126         [IW_IOCTL(SIOCGIWSCAN)] = _rtl92e_wx_get_scan,
1127         [IW_IOCTL(SIOCSIWESSID)] = _rtl92e_wx_set_essid,
1128         [IW_IOCTL(SIOCGIWESSID)] = _rtl92e_wx_get_essid,
1129         [IW_IOCTL(SIOCSIWNICKN)] = _rtl92e_wx_set_nick,
1130         [IW_IOCTL(SIOCGIWNICKN)] = _rtl92e_wx_get_nick,
1131         [IW_IOCTL(SIOCSIWRATE)] = _rtl92e_wx_set_rate,
1132         [IW_IOCTL(SIOCGIWRATE)] = _rtl92e_wx_get_rate,
1133         [IW_IOCTL(SIOCSIWRTS)] = _rtl92e_wx_set_rts,
1134         [IW_IOCTL(SIOCGIWRTS)] = _rtl92e_wx_get_rts,
1135         [IW_IOCTL(SIOCSIWFRAG)] = _rtl92e_wx_set_frag,
1136         [IW_IOCTL(SIOCGIWFRAG)] = _rtl92e_wx_get_frag,
1137         [IW_IOCTL(SIOCSIWRETRY)] = _rtl92e_wx_set_retry,
1138         [IW_IOCTL(SIOCGIWRETRY)] = _rtl92e_wx_get_retry,
1139         [IW_IOCTL(SIOCSIWENCODE)] = _rtl92e_wx_set_enc,
1140         [IW_IOCTL(SIOCGIWENCODE)] = _rtl92e_wx_get_enc,
1141         [IW_IOCTL(SIOCSIWPOWER)] = _rtl92e_wx_set_power,
1142         [IW_IOCTL(SIOCGIWPOWER)] = _rtl92e_wx_get_power,
1143         [IW_IOCTL(SIOCSIWGENIE)] = _rtl92e_wx_set_gen_ie,
1144         [IW_IOCTL(SIOCGIWGENIE)] = _rtl92e_wx_get_gen_ie,
1145         [IW_IOCTL(SIOCSIWMLME)] = _rtl92e_wx_set_mlme,
1146         [IW_IOCTL(SIOCSIWAUTH)] = _rtl92e_wx_set_auth,
1147         [IW_IOCTL(SIOCSIWENCODEEXT)] = _rtl92e_wx_set_encode_ext,
1148 };
1149
1150 /* the following rule need to be following,
1151  * Odd : get (world access),
1152  * even : set (root access)
1153  */
1154 static const struct iw_priv_args r8192_private_args[] = {
1155         {
1156                 SIOCIWFIRSTPRIV + 0x0,
1157                 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_debugflag"
1158         }, {
1159                 SIOCIWFIRSTPRIV + 0x1,
1160                 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "activescan"
1161         }, {
1162                 SIOCIWFIRSTPRIV + 0x2,
1163                 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "rawtx"
1164         }, {
1165                 SIOCIWFIRSTPRIV + 0x3,
1166                 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "forcereset"
1167         }, {
1168                 SIOCIWFIRSTPRIV + 0x6,
1169                 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED|1, IW_PRIV_TYPE_NONE,
1170                 "set_power"
1171         }, {
1172                 SIOCIWFIRSTPRIV + 0xa,
1173                 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED|1, IW_PRIV_TYPE_NONE,
1174                 "lps_interv"
1175         }, {
1176                 SIOCIWFIRSTPRIV + 0xb,
1177                 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED|1, IW_PRIV_TYPE_NONE,
1178                 "lps_force"
1179         }, {
1180                 SIOCIWFIRSTPRIV + 0x16,
1181                 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 3, 0, "setpromisc"
1182         }, {
1183                 SIOCIWFIRSTPRIV + 0x17,
1184                 0, IW_PRIV_TYPE_CHAR | IW_PRIV_SIZE_FIXED | 45, "getpromisc"
1185         }
1186
1187 };
1188
1189 static iw_handler r8192_private_handler[] = {
1190         (iw_handler)_rtl92e_wx_set_debug,   /*SIOCIWSECONDPRIV*/
1191         (iw_handler)_rtl92e_wx_set_scan_type,
1192         (iw_handler)_rtl92e_wx_set_rawtx,
1193         (iw_handler)_rtl92e_wx_force_reset,
1194         (iw_handler)NULL,
1195         (iw_handler)NULL,
1196         (iw_handler)_rtl92e_wx_adapter_power_status,
1197         (iw_handler)NULL,
1198         (iw_handler)NULL,
1199         (iw_handler)NULL,
1200         (iw_handler)_rtl92e_wx_set_lps_awake_interval,
1201         (iw_handler)_rtl92e_wx_set_force_lps,
1202         (iw_handler)NULL,
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)_rtl92e_wx_set_promisc_mode,
1213         (iw_handler)_rtl92e_wx_get_promisc_mode,
1214 };
1215
1216 static struct iw_statistics *_rtl92e_get_wireless_stats(struct net_device *dev)
1217 {
1218         struct r8192_priv *priv = rtllib_priv(dev);
1219         struct rtllib_device *ieee = priv->rtllib;
1220         struct iw_statistics *wstats = &priv->wstats;
1221         int tmp_level = 0;
1222         int tmp_qual = 0;
1223         int tmp_noise = 0;
1224
1225         if (ieee->state < RTLLIB_LINKED) {
1226                 wstats->qual.qual = 10;
1227                 wstats->qual.level = 0;
1228                 wstats->qual.noise = 0x100 - 100;       /* -100 dBm */
1229                 wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
1230                 return wstats;
1231         }
1232
1233         tmp_level = (&ieee->current_network)->stats.rssi;
1234         tmp_qual = (&ieee->current_network)->stats.signal;
1235         tmp_noise = (&ieee->current_network)->stats.noise;
1236
1237         wstats->qual.level = tmp_level;
1238         wstats->qual.qual = tmp_qual;
1239         wstats->qual.noise = tmp_noise;
1240         wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
1241         return wstats;
1242 }
1243
1244 const struct iw_handler_def r8192_wx_handlers_def = {
1245         .standard = r8192_wx_handlers,
1246         .num_standard = ARRAY_SIZE(r8192_wx_handlers),
1247         .private = r8192_private_handler,
1248         .num_private = ARRAY_SIZE(r8192_private_handler),
1249         .num_private_args = sizeof(r8192_private_args) /
1250                             sizeof(struct iw_priv_args),
1251         .get_wireless_stats = _rtl92e_get_wireless_stats,
1252         .private_args = (struct iw_priv_args *)r8192_private_args,
1253 };