drivers/staging/vt6656/wpactl.c

   1 /*
   2  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  *
  20  * File: wpactl.c
  21  *
  22  * Purpose: handle wpa supplicant ioctl input/out functions
  23  *
  24  * Author: Lyndon Chen
  25  *
  26  * Date: July 28, 2006
  27  *
  28  * Functions:
  29  *
  30  * Revision History:
  31  *
  32  */
  33
  34 #include "wpactl.h"
  35 #include "key.h"
  36 #include "mac.h"
  37 #include "device.h"
  38 #include "wmgr.h"
  39 #include "iocmd.h"
  40 #include "iowpa.h"
  41 #include "control.h"
  42 #include "rndis.h"
  43 #include "rf.h"
  44
  45 /*---------------------  Static Definitions -------------------------*/
  46
  47 #define VIAWGET_WPA_MAX_BUF_SIZE 1024
  48
  49
  50
  51 static const int frequency_list[] = {
  52         2412, 2417, 2422, 2427, 2432, 2437, 2442,
  53         2447, 2452, 2457, 2462, 2467, 2472, 2484
  54 };
  55 /*---------------------  Static Classes  ----------------------------*/
  56
  57 /*---------------------  Static Variables  --------------------------*/
  58 //static int          msglevel                =MSG_LEVEL_DEBUG;
  59 static int          msglevel                =MSG_LEVEL_INFO;
  60
  61 /*---------------------  Static Functions  --------------------------*/
  62
  63
  64
  65
  66 /*---------------------  Export Variables  --------------------------*/
  67 static void wpadev_setup(struct net_device *dev)
  68 {
  69         dev->type               = ARPHRD_IEEE80211;
  70         dev->hard_header_len    = ETH_HLEN;
  71         dev->mtu                = 2048;
  72         dev->addr_len           = ETH_ALEN;
  73         dev->tx_queue_len       = 1000;
  74
  75         memset(dev->broadcast,0xFF, ETH_ALEN);
  76
  77         dev->flags              = IFF_BROADCAST|IFF_MULTICAST;
  78 }
  79
  80 /*
  81  * Description:
  82  *      register netdev for wpa supplicant deamon
  83  *
  84  * Parameters:
  85  *  In:
  86  *      pDevice             -
  87  *      enable              -
  88  *  Out:
  89  *
  90  * Return Value:
  91  *
  92  */
  93
  94 static int wpa_init_wpadev(PSDevice pDevice)
  95 {
  96     PSDevice wpadev_priv;
  97         struct net_device *dev = pDevice->dev;
  98          int ret=0;
  99
 100         pDevice->wpadev = alloc_netdev(sizeof(PSDevice), "vntwpa", wpadev_setup);
 101         if (pDevice->wpadev == NULL)
 102                 return -ENOMEM;
 103
 104     wpadev_priv = netdev_priv(pDevice->wpadev);
 105     *wpadev_priv = *pDevice;
 106         memcpy(pDevice->wpadev->dev_addr, dev->dev_addr, U_ETHER_ADDR_LEN);
 107          pDevice->wpadev->base_addr = dev->base_addr;
 108         pDevice->wpadev->irq = dev->irq;
 109         pDevice->wpadev->mem_start = dev->mem_start;
 110         pDevice->wpadev->mem_end = dev->mem_end;
 111         ret = register_netdev(pDevice->wpadev);
 112         if (ret) {
 113                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: register_netdev(WPA) failed!\n",
 114                        dev->name);
 115                 free_netdev(pDevice->wpadev);
 116                 return -1;
 117         }
 118
 119         if (pDevice->skb == NULL) {
 120         pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
 121         if (pDevice->skb == NULL)
 122                     return -ENOMEM;
 123     }
 124
 125     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Registered netdev %s for WPA management\n",
 126                dev->name, pDevice->wpadev->name);
 127
 128         return 0;
 129 }
 130
 131
 132 /*
 133  * Description:
 134  *      unregister net_device (wpadev)
 135  *
 136  * Parameters:
 137  *  In:
 138  *      pDevice             -
 139  *  Out:
 140  *
 141  * Return Value:
 142  *
 143  */
 144
 145 static int wpa_release_wpadev(PSDevice pDevice)
 146 {
 147     if (pDevice->skb) {
 148         dev_kfree_skb(pDevice->skb);
 149         pDevice->skb = NULL;
 150     }
 151
 152     if (pDevice->wpadev) {
 153         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Netdevice %s unregistered\n",
 154                pDevice->dev->name, pDevice->wpadev->name);
 155         unregister_netdev(pDevice->wpadev);
 156         free_netdev(pDevice->wpadev);
 157          pDevice->wpadev = NULL;
 158     }
 159
 160         return 0;
 161 }
 162
 163
 164
 165
 166
 167 /*
 168  * Description:
 169  *      Set enable/disable dev for wpa supplicant deamon
 170  *
 171  * Parameters:
 172  *  In:
 173  *      pDevice             -
 174  *      val                 -
 175  *  Out:
 176  *
 177  * Return Value:
 178  *
 179  */
 180
 181 int wpa_set_wpadev(PSDevice pDevice, int val)
 182 {
 183         if (val)
 184                 return wpa_init_wpadev(pDevice);
 185         else
 186                 return wpa_release_wpadev(pDevice);
 187 }
 188
 189
 190 /*
 191  * Description:
 192  *      Set WPA algorithm & keys
 193  *
 194  * Parameters:
 195  *  In:
 196  *      pDevice -
 197  *      param -
 198  *  Out:
 199  *
 200  * Return Value:
 201  *
 202  */
 203
 204  int wpa_set_keys(PSDevice pDevice, void *ctx, BOOL  fcpfkernel)
 205 {
 206     struct viawget_wpa_param *param=ctx;
 207     PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
 208     DWORD   dwKeyIndex = 0;
 209     BYTE    abyKey[MAX_KEY_LEN];
 210     BYTE    abySeq[MAX_KEY_LEN];
 211     QWORD   KeyRSC;
 212 //    NDIS_802_11_KEY_RSC KeyRSC;
 213     BYTE    byKeyDecMode = KEY_CTL_WEP;
 214         int ret = 0;
 215         int uu, ii;
 216
 217
 218         if (param->u.wpa_key.alg_name > WPA_ALG_CCMP)
 219                 return -EINVAL;
 220
 221     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "param->u.wpa_key.alg_name = %d \n", param->u.wpa_key.alg_name);
 222         if (param->u.wpa_key.alg_name == WPA_ALG_NONE) {
 223         pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
 224         pDevice->bEncryptionEnable = FALSE;
 225         pDevice->byKeyIndex = 0;
 226         pDevice->bTransmitKey = FALSE;
 227         for (uu=0; uu<MAX_KEY_TABLE; uu++) {
 228             MACvDisableKeyEntry(pDevice, uu);
 229         }
 230         return ret;
 231     }
 232
 233     spin_unlock_irq(&pDevice->lock);
 234     if(param->u.wpa_key.key && fcpfkernel) {
 235        memcpy(&abyKey[0], param->u.wpa_key.key, param->u.wpa_key.key_len);
 236      }
 237     else {
 238         if (param->u.wpa_key.key &&
 239             copy_from_user(&abyKey[0], param->u.wpa_key.key, param->u.wpa_key.key_len)) {
 240             spin_lock_irq(&pDevice->lock);
 241             return -EINVAL;
 242         }
 243      }
 244     spin_lock_irq(&pDevice->lock);
 245
 246     dwKeyIndex = (DWORD)(param->u.wpa_key.key_index);
 247
 248         if (param->u.wpa_key.alg_name == WPA_ALG_WEP) {
 249         if (dwKeyIndex > 3) {
 250             return -EINVAL;
 251         }
 252         else {
 253             if (param->u.wpa_key.set_tx) {
 254                 pDevice->byKeyIndex = (BYTE)dwKeyIndex;
 255                 pDevice->bTransmitKey = TRUE;
 256                         dwKeyIndex |= (1 << 31);
 257             }
 258             KeybSetDefaultKey(  pDevice,
 259                                 &(pDevice->sKey),
 260                                 dwKeyIndex & ~(BIT30 | USE_KEYRSC),
 261                                 param->u.wpa_key.key_len,
 262                                 NULL,
 263                                 abyKey,
 264                                 KEY_CTL_WEP
 265                               );
 266
 267         }
 268         pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
 269         pDevice->bEncryptionEnable = TRUE;
 270         return ret;
 271         }
 272
 273     spin_unlock_irq(&pDevice->lock);
 274         if(param->u.wpa_key.seq && fcpfkernel) {
 275            memcpy(&abySeq[0], param->u.wpa_key.seq, param->u.wpa_key.seq_len);
 276                 }
 277        else {
 278         if (param->u.wpa_key.seq &&
 279             copy_from_user(&abySeq[0], param->u.wpa_key.seq, param->u.wpa_key.seq_len)) {
 280             spin_lock_irq(&pDevice->lock);
 281             return -EINVAL;
 282         }
 283         }
 284         spin_lock_irq(&pDevice->lock);
 285
 286         if (param->u.wpa_key.seq_len > 0) {
 287                 for (ii = 0 ; ii < param->u.wpa_key.seq_len ; ii++) {
 288                      if (ii < 4)
 289                             LODWORD(KeyRSC) |= (abySeq[ii] << (ii * 8));
 290                          else
 291                             HIDWORD(KeyRSC) |= (abySeq[ii] << ((ii-4) * 8));
 292                  //KeyRSC |= (abySeq[ii] << (ii * 8));
 293                 }
 294                 dwKeyIndex |= 1 << 29;
 295         }
 296
 297     if (param->u.wpa_key.key_index >= MAX_GROUP_KEY) {
 298         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return  dwKeyIndex > 3\n");
 299         return -EINVAL;
 300     }
 301
 302         if (param->u.wpa_key.alg_name == WPA_ALG_TKIP) {
 303         pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
 304     }
 305
 306         if (param->u.wpa_key.alg_name == WPA_ALG_CCMP) {
 307         pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
 308     }
 309
 310         if (param->u.wpa_key.set_tx)
 311                 dwKeyIndex |= (1 << 31);
 312
 313
 314     if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled)
 315         byKeyDecMode = KEY_CTL_CCMP;
 316     else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled)
 317         byKeyDecMode = KEY_CTL_TKIP;
 318     else
 319         byKeyDecMode = KEY_CTL_WEP;
 320
 321     // Fix HCT test that set 256 bits KEY and Ndis802_11Encryption3Enabled
 322     if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) {
 323         if (param->u.wpa_key.key_len == MAX_KEY_LEN)
 324             byKeyDecMode = KEY_CTL_TKIP;
 325         else if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN)
 326             byKeyDecMode = KEY_CTL_WEP;
 327         else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN)
 328             byKeyDecMode = KEY_CTL_WEP;
 329     } else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) {
 330         if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN)
 331             byKeyDecMode = KEY_CTL_WEP;
 332         else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN)
 333             byKeyDecMode = KEY_CTL_WEP;
 334     }
 335
 336     // Check TKIP key length
 337     if ((byKeyDecMode == KEY_CTL_TKIP) &&
 338         (param->u.wpa_key.key_len != MAX_KEY_LEN)) {
 339         // TKIP Key must be 256 bits
 340         //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - TKIP Key must be 256 bits\n"));
 341         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return- TKIP Key must be 256 bits!\n");
 342         return -EINVAL;
 343     }
 344     // Check AES key length
 345     if ((byKeyDecMode == KEY_CTL_CCMP) &&
 346         (param->u.wpa_key.key_len != AES_KEY_LEN)) {
 347         // AES Key must be 128 bits
 348         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return - AES Key must be 128 bits\n");
 349         return -EINVAL;
 350     }
 351
 352
 353     if (IS_BROADCAST_ADDRESS(&param->addr[0]) || (param->addr == NULL)) {
 354         // If IS_BROADCAST_ADDRESS, set the key as every key entry's group key.
 355         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Groupe Key Assign.\n");
 356
 357         if ((KeybSetAllGroupKey(pDevice,
 358                             &(pDevice->sKey),
 359                             dwKeyIndex,
 360                             param->u.wpa_key.key_len,
 361                             (PQWORD) &(KeyRSC),
 362                             (PBYTE)abyKey,
 363                             byKeyDecMode
 364                             ) == TRUE) &&
 365             (KeybSetDefaultKey(pDevice,
 366                             &(pDevice->sKey),
 367                             dwKeyIndex,
 368                             param->u.wpa_key.key_len,
 369                             (PQWORD) &(KeyRSC),
 370                             (PBYTE)abyKey,
 371                             byKeyDecMode
 372                             ) == TRUE) ) {
 373              DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "GROUP Key Assign.\n");
 374
 375         } else {
 376             //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA -KeybSetDefaultKey Fail.0\n"));
 377             return -EINVAL;
 378         }
 379
 380     } else {
 381         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Assign.\n");
 382         // BSSID not 0xffffffffffff
 383         // Pairwise Key can't be WEP
 384         if (byKeyDecMode == KEY_CTL_WEP) {
 385             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key can't be WEP\n");
 386             return -EINVAL;
 387         }
 388
 389         dwKeyIndex |= (1 << 30); // set pairwise key
 390         if (pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) {
 391             //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - WMAC_CONFIG_IBSS_STA\n"));
 392             return -EINVAL;
 393         }
 394         if (KeybSetKey(pDevice,
 395                        &(pDevice->sKey),
 396                        &param->addr[0],
 397                        dwKeyIndex,
 398                        param->u.wpa_key.key_len,
 399                        (PQWORD) &(KeyRSC),
 400                        (PBYTE)abyKey,
 401                         byKeyDecMode
 402                        ) == TRUE) {
 403             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Set\n");
 404
 405         } else {
 406             // Key Table Full
 407             if (IS_ETH_ADDRESS_EQUAL(&param->addr[0], pDevice->abyBSSID)) {
 408                 //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA -Key Table Full.2\n"));
 409                 return -EINVAL;
 410
 411             } else {
 412                 // Save Key and configure just before associate/reassociate to BSSID
 413                 // we do not implement now
 414                 return -EINVAL;
 415             }
 416         }
 417     } // BSSID not 0xffffffffffff
 418     if ((ret == 0) && ((param->u.wpa_key.set_tx) != 0)) {
 419         pDevice->byKeyIndex = (BYTE)param->u.wpa_key.key_index;
 420         pDevice->bTransmitKey = TRUE;
 421     }
 422     pDevice->bEncryptionEnable = TRUE;
 423
 424 /*
 425     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " key=%x-%x-%x-%x-%x-xxxxx \n",
 426                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][0],
 427                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][1],
 428                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][2],
 429                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][3],
 430                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][4]
 431               );
 432 */
 433
 434         return ret;
 435
 436 }
 437
 438
 439 /*
 440  * Description:
 441  *      enable wpa auth & mode
 442  *
 443  * Parameters:
 444  *  In:
 445  *      pDevice   -
 446  *      param     -
 447  *  Out:
 448  *
 449  * Return Value:
 450  *
 451  */
 452
 453 static int wpa_set_wpa(PSDevice pDevice,
 454                                      struct viawget_wpa_param *param)
 455 {
 456
 457     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 458         int ret = 0;
 459
 460     pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
 461     pMgmt->bShareKeyAlgorithm = FALSE;
 462
 463     return ret;
 464 }
 465
 466
 467
 468
 469  /*
 470  * Description:
 471  *      set disassociate
 472  *
 473  * Parameters:
 474  *  In:
 475  *      pDevice   -
 476  *      param     -
 477  *  Out:
 478  *
 479  * Return Value:
 480  *
 481  */
 482
 483 static int wpa_set_disassociate(PSDevice pDevice,
 484                                      struct viawget_wpa_param *param)
 485 {
 486     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 487         int ret = 0;
 488
 489     spin_lock_irq(&pDevice->lock);
 490     if (pDevice->bLinkPass) {
 491         if (!memcmp(param->addr, pMgmt->abyCurrBSSID, 6))
 492             bScheduleCommand((HANDLE)pDevice, WLAN_CMD_DISASSOCIATE, NULL);
 493     }
 494     spin_unlock_irq(&pDevice->lock);
 495
 496     return ret;
 497 }
 498
 499
 500
 501 /*
 502  * Description:
 503  *      enable scan process
 504  *
 505  * Parameters:
 506  *  In:
 507  *      pDevice   -
 508  *      param     -
 509  *  Out:
 510  *
 511  * Return Value:
 512  *
 513  */
 514
 515 static int wpa_set_scan(PSDevice pDevice,
 516                                      struct viawget_wpa_param *param)
 517 {
 518         int ret = 0;
 519
 520 //2007-0919-01<Add>by MikeLiu
 521 /**set ap_scan=1&&scan_ssid=1 under hidden ssid mode**/
 522         PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
 523         PWLAN_IE_SSID       pItemSSID;
 524 printk("wpa_set_scan-->desired [ssid=%s,ssid_len=%d]\n",
 525              param->u.scan_req.ssid,param->u.scan_req.ssid_len);
 526 // Set the SSID
 527 memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
 528 pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
 529 pItemSSID->byElementID = WLAN_EID_SSID;
 530 memcpy(pItemSSID->abySSID, param->u.scan_req.ssid, param->u.scan_req.ssid_len);
 531 pItemSSID->len = param->u.scan_req.ssid_len;
 532
 533     spin_lock_irq(&pDevice->lock);
 534     BSSvClearBSSList((HANDLE)pDevice, pDevice->bLinkPass);
 535   //  bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
 536         bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
 537     spin_unlock_irq(&pDevice->lock);
 538
 539     return ret;
 540 }
 541
 542
 543
 544 /*
 545  * Description:
 546  *      get bssid
 547  *
 548  * Parameters:
 549  *  In:
 550  *      pDevice   -
 551  *      param     -
 552  *  Out:
 553  *
 554  * Return Value:
 555  *
 556  */
 557
 558 static int wpa_get_bssid(PSDevice pDevice,
 559                                      struct viawget_wpa_param *param)
 560 {
 561     PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
 562         int ret = 0;
 563         memcpy(param->u.wpa_associate.bssid, pMgmt->abyCurrBSSID , 6);
 564
 565     return ret;
 566
 567 }
 568
 569
 570 /*
 571  * Description:
 572  *      get bssid
 573  *
 574  * Parameters:
 575  *  In:
 576  *      pDevice   -
 577  *      param     -
 578  *  Out:
 579  *
 580  * Return Value:
 581  *
 582  */
 583
 584 static int wpa_get_ssid(PSDevice pDevice,
 585                                      struct viawget_wpa_param *param)
 586 {
 587     PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
 588         PWLAN_IE_SSID       pItemSSID;
 589         int ret = 0;
 590
 591     pItemSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
 592
 593         memcpy(param->u.wpa_associate.ssid, pItemSSID->abySSID , pItemSSID->len);
 594         param->u.wpa_associate.ssid_len = pItemSSID->len;
 595
 596     return ret;
 597 }
 598
 599
 600
 601 /*
 602  * Description:
 603  *      get scan results
 604  *
 605  * Parameters:
 606  *  In:
 607  *      pDevice   -
 608  *      param     -
 609  *  Out:
 610  *
 611  * Return Value:
 612  *
 613  */
 614
 615 static int wpa_get_scan(PSDevice pDevice,
 616                                      struct viawget_wpa_param *param)
 617 {
 618         struct viawget_scan_result *scan_buf;
 619     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 620     PWLAN_IE_SSID   pItemSSID;
 621     PKnownBSS pBSS;
 622         PBYTE  pBuf;
 623         int ret = 0;
 624         u16 count = 0;
 625         u16 ii, jj;
 626         long ldBm;//James //add
 627
 628 //******mike:bubble sort by stronger RSSI*****//
 629
 630     PBYTE ptempBSS;
 631
 632
 633
 634     ptempBSS = kmalloc(sizeof(KnownBSS), (int)GFP_ATOMIC);
 635
 636     if (ptempBSS == NULL) {
 637
 638        printk("bubble sort kmalloc memory fail@@@\n");
 639
 640         ret = -ENOMEM;
 641
 642         return ret;
 643
 644     }
 645
 646     for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 647
 648          for(jj=0;jj<MAX_BSS_NUM-ii-1;jj++) {
 649
 650            if((pMgmt->sBSSList[jj].bActive!=TRUE) ||
 651
 652                 ((pMgmt->sBSSList[jj].uRSSI>pMgmt->sBSSList[jj+1].uRSSI) &&(pMgmt->sBSSList[jj+1].bActive!=FALSE))) {
 653
 654                  memcpy(ptempBSS,&pMgmt->sBSSList[jj],sizeof(KnownBSS));
 655
 656                  memcpy(&pMgmt->sBSSList[jj],&pMgmt->sBSSList[jj+1],sizeof(KnownBSS));
 657
 658                  memcpy(&pMgmt->sBSSList[jj+1],ptempBSS,sizeof(KnownBSS));
 659
 660               }
 661
 662          }
 663
 664     };
 665
 666   kfree(ptempBSS);
 667
 668  // printk("bubble sort result:\n");
 669
 670         count = 0;
 671         pBSS = &(pMgmt->sBSSList[0]);
 672     for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 673         pBSS = &(pMgmt->sBSSList[ii]);
 674         if (!pBSS->bActive)
 675             continue;
 676         count++;
 677     };
 678
 679     pBuf = kmalloc(sizeof(struct viawget_scan_result) * count, (int)GFP_ATOMIC);
 680
 681     if (pBuf == NULL) {
 682         ret = -ENOMEM;
 683         return ret;
 684     }
 685         memset(pBuf, 0, sizeof(struct viawget_scan_result) * count);
 686     scan_buf = (struct viawget_scan_result *)pBuf;
 687         pBSS = &(pMgmt->sBSSList[0]);
 688     for (ii = 0, jj = 0; ii < MAX_BSS_NUM ; ii++) {
 689         pBSS = &(pMgmt->sBSSList[ii]);
 690         if (pBSS->bActive) {
 691             if (jj >= count)
 692                 break;
 693             memcpy(scan_buf->bssid, pBSS->abyBSSID, WLAN_BSSID_LEN);
 694             pItemSSID = (PWLAN_IE_SSID)pBSS->abySSID;
 695                     memcpy(scan_buf->ssid, pItemSSID->abySSID, pItemSSID->len);
 696                     scan_buf->ssid_len = pItemSSID->len;
 697             scan_buf->freq = frequency_list[pBSS->uChannel-1];
 698             scan_buf->caps = pBSS->wCapInfo;    //DavidWang for sharemode
 699 //20080717-05,<Add> by James Li
 700                 RFvRSSITodBm(pDevice, (BYTE)(pBSS->uRSSI), &ldBm);
 701                         if(-ldBm<50){
 702                                 scan_buf->qual = 100;
 703                         }else  if(-ldBm > 90) {
 704                                  scan_buf->qual = 0;
 705                         }else {
 706                                 scan_buf->qual=(40-(-ldBm-50))*100/40;
 707                         }
 708
 709                         //James
 710             //scan_buf->caps = pBSS->wCapInfo;
 711             //scan_buf->qual =
 712             scan_buf->noise = 0;
 713             scan_buf->level = ldBm;
 714  //20080717-05,<Add> by James Li--End
 715             //scan_buf->maxrate =
 716             if (pBSS->wWPALen != 0) {
 717                 scan_buf->wpa_ie_len = pBSS->wWPALen;
 718                 memcpy(scan_buf->wpa_ie, pBSS->byWPAIE, pBSS->wWPALen);
 719             }
 720             if (pBSS->wRSNLen != 0) {
 721                 scan_buf->rsn_ie_len = pBSS->wRSNLen;
 722                 memcpy(scan_buf->rsn_ie, pBSS->byRSNIE, pBSS->wRSNLen);
 723             }
 724             scan_buf = (struct viawget_scan_result *)((PBYTE)scan_buf + sizeof(struct viawget_scan_result));
 725             jj ++;
 726         }
 727     }
 728
 729     if (jj < count)
 730         count = jj;
 731
 732     if (copy_to_user(param->u.scan_results.buf, pBuf, sizeof(struct viawget_scan_result) * count)) {
 733                 ret = -EFAULT;
 734         };
 735         param->u.scan_results.scan_count = count;
 736     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " param->u.scan_results.scan_count = %d\n", count)
 737
 738     kfree(pBuf);
 739     return ret;
 740 }
 741
 742
 743
 744 /*
 745  * Description:
 746  *      set associate with AP
 747  *
 748  * Parameters:
 749  *  In:
 750  *      pDevice   -
 751  *      param     -
 752  *  Out:
 753  *
 754  * Return Value:
 755  *
 756  */
 757
 758 static int wpa_set_associate(PSDevice pDevice,
 759                                      struct viawget_wpa_param *param)
 760 {
 761     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 762     PWLAN_IE_SSID   pItemSSID;
 763     BYTE    abyNullAddr[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 764     BYTE    abyWPAIE[64];
 765     int ret = 0;
 766     BOOL   bwepEnabled=FALSE;
 767
 768         // set key type & algorithm
 769     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pairwise_suite = %d\n", param->u.wpa_associate.pairwise_suite);
 770     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "group_suite = %d\n", param->u.wpa_associate.group_suite);
 771     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "key_mgmt_suite = %d\n", param->u.wpa_associate.key_mgmt_suite);
 772     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "auth_alg = %d\n", param->u.wpa_associate.auth_alg);
 773     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "mode = %d\n", param->u.wpa_associate.mode);
 774     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_ie_len = %d\n", param->u.wpa_associate.wpa_ie_len);
 775     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Roaming dBm = %d\n", param->u.wpa_associate.roam_dbm);  //Davidwang
 776
 777         if (param->u.wpa_associate.wpa_ie &&
 778             copy_from_user(&abyWPAIE[0], param->u.wpa_associate.wpa_ie, param->u.wpa_associate.wpa_ie_len))
 779             return -EINVAL;
 780
 781         if (param->u.wpa_associate.mode == 1)
 782             pMgmt->eConfigMode = WMAC_CONFIG_IBSS_STA;
 783         else
 784             pMgmt->eConfigMode = WMAC_CONFIG_ESS_STA;
 785
 786         // set bssid
 787     if (memcmp(param->u.wpa_associate.bssid, &abyNullAddr[0], 6) != 0)
 788         memcpy(pMgmt->abyDesireBSSID, param->u.wpa_associate.bssid, 6);
 789     // set ssid
 790         memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
 791     pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
 792     pItemSSID->byElementID = WLAN_EID_SSID;
 793         pItemSSID->len = param->u.wpa_associate.ssid_len;
 794         memcpy(pItemSSID->abySSID, param->u.wpa_associate.ssid, pItemSSID->len);
 795
 796     if (param->u.wpa_associate.wpa_ie_len == 0) {
 797             if (param->u.wpa_associate.auth_alg & AUTH_ALG_SHARED_KEY)
 798             pMgmt->eAuthenMode = WMAC_AUTH_SHAREKEY;
 799             else
 800             pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
 801         } else if (abyWPAIE[0] == RSN_INFO_ELEM) {
 802                 if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_PSK)
 803                         pMgmt->eAuthenMode = WMAC_AUTH_WPA2PSK;
 804                 else
 805                         pMgmt->eAuthenMode = WMAC_AUTH_WPA2;
 806         } else {
 807                 if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_WPA_NONE)
 808                         pMgmt->eAuthenMode = WMAC_AUTH_WPANONE;
 809                 else if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_PSK)
 810                     pMgmt->eAuthenMode = WMAC_AUTH_WPAPSK;
 811                 else
 812                     pMgmt->eAuthenMode = WMAC_AUTH_WPA;
 813         }
 814
 815         switch (param->u.wpa_associate.pairwise_suite) {
 816         case CIPHER_CCMP:
 817                 pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
 818                 break;
 819         case CIPHER_TKIP:
 820                 pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
 821                 break;
 822         case CIPHER_WEP40:
 823         case CIPHER_WEP104:
 824                 pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
 825                 bwepEnabled = TRUE;
 826         //      printk("****************wpa_set_associate:set CIPHER_WEP40_104\n");
 827                 break;
 828         case CIPHER_NONE:
 829                 if (param->u.wpa_associate.group_suite == CIPHER_CCMP)
 830                         pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
 831                 else
 832                         pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
 833                 break;
 834         default:
 835                 pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
 836         };
 837
 838            pMgmt->Roam_dbm = param->u.wpa_associate.roam_dbm;
 839          // if ((pMgmt->Roam_dbm > 40)&&(pMgmt->Roam_dbm<80))
 840          //    pDevice->bEnableRoaming = TRUE;
 841
 842             if (pMgmt->eAuthenMode == WMAC_AUTH_SHAREKEY) {   //@wep-sharekey
 843             pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
 844             pMgmt->bShareKeyAlgorithm = TRUE;
 845              }
 846             else if (pMgmt->eAuthenMode == WMAC_AUTH_OPEN) {
 847                if(bwepEnabled==TRUE) {                                                         //@open-wep
 848                        pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
 849                 }
 850               else {                                                                                                 //@only open
 851             pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
 852                 }
 853            }
 854 //mike save old encryption status
 855         pDevice->eOldEncryptionStatus = pDevice->eEncryptionStatus;
 856
 857     if (pDevice->eEncryptionStatus !=  Ndis802_11EncryptionDisabled)
 858         pDevice->bEncryptionEnable = TRUE;
 859     else
 860         pDevice->bEncryptionEnable = FALSE;
 861
 862  if ((pMgmt->eAuthenMode == WMAC_AUTH_SHAREKEY) ||
 863       ((pMgmt->eAuthenMode == WMAC_AUTH_OPEN) && (bwepEnabled==TRUE)))  {
 864  //mike re-comment:open-wep && sharekey-wep needn't do initial key!!
 865
 866      }
 867  else
 868     KeyvInitTable(pDevice,&pDevice->sKey);
 869
 870     spin_lock_irq(&pDevice->lock);
 871     pDevice->bLinkPass = FALSE;
 872     ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_SLOW);
 873     memset(pMgmt->abyCurrBSSID, 0, 6);
 874     pMgmt->eCurrState = WMAC_STATE_IDLE;
 875     netif_stop_queue(pDevice->dev);
 876
 877 //20080701-02,<Add> by Mike Liu
 878 /*******search if ap_scan=2 ,which is associating request in hidden ssid mode ****/
 879 {
 880    PKnownBSS       pCurr = NULL;
 881     pCurr = BSSpSearchBSSList(pDevice,
 882                               pMgmt->abyDesireBSSID,
 883                               pMgmt->abyDesireSSID,
 884                               pDevice->eConfigPHYMode
 885                               );
 886
 887     if (pCurr == NULL){
 888     printk("wpa_set_associate---->hidden mode site survey before associate.......\n");
 889     bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
 890   };
 891 }
 892 /****************************************************************/
 893
 894     bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, NULL);
 895     spin_unlock_irq(&pDevice->lock);
 896
 897     return ret;
 898 }
 899
 900
 901 /*
 902  * Description:
 903  *      wpa_ioctl main function supported for wpa supplicant
 904  *
 905  * Parameters:
 906  *  In:
 907  *      pDevice   -
 908  *      iw_point  -
 909  *  Out:
 910  *
 911  * Return Value:
 912  *
 913  */
 914
 915 int wpa_ioctl(PSDevice pDevice, struct iw_point *p)
 916 {
 917         struct viawget_wpa_param *param;
 918         int ret = 0;
 919         int wpa_ioctl = 0;
 920
 921         if (p->length < sizeof(struct viawget_wpa_param) ||
 922             p->length > VIAWGET_WPA_MAX_BUF_SIZE || !p->pointer)
 923                 return -EINVAL;
 924
 925         param = (struct viawget_wpa_param *) kmalloc((int)p->length, (int)GFP_KERNEL);
 926         if (param == NULL)
 927                 return -ENOMEM;
 928
 929         if (copy_from_user(param, p->pointer, p->length)) {
 930                 ret = -EFAULT;
 931                 goto out;
 932         }
 933
 934         switch (param->cmd) {
 935         case VIAWGET_SET_WPA:
 936         ret = wpa_set_wpa(pDevice, param);
 937             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_WPA \n");
 938                 break;
 939
 940         case VIAWGET_SET_KEY:
 941             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_KEY \n");
 942             spin_lock_irq(&pDevice->lock);
 943         ret = wpa_set_keys(pDevice, param, FALSE);
 944         spin_unlock_irq(&pDevice->lock);
 945                 break;
 946
 947         case VIAWGET_SET_SCAN:
 948             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_SCAN \n");
 949         ret = wpa_set_scan(pDevice, param);
 950                 break;
 951
 952         case VIAWGET_GET_SCAN:
 953             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_SCAN\n");
 954         ret = wpa_get_scan(pDevice, param);
 955                 wpa_ioctl = 1;
 956                 break;
 957
 958         case VIAWGET_GET_SSID:
 959             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_SSID \n");
 960         ret = wpa_get_ssid(pDevice, param);
 961                 wpa_ioctl = 1;
 962                 break;
 963
 964         case VIAWGET_GET_BSSID:
 965             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_BSSID \n");
 966         ret = wpa_get_bssid(pDevice, param);
 967                 wpa_ioctl = 1;
 968                 break;
 969
 970         case VIAWGET_SET_ASSOCIATE:
 971             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_ASSOCIATE \n");
 972         ret = wpa_set_associate(pDevice, param);
 973                 break;
 974
 975         case VIAWGET_SET_DISASSOCIATE:
 976             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DISASSOCIATE \n");
 977         ret = wpa_set_disassociate(pDevice, param);
 978                 break;
 979
 980         case VIAWGET_SET_DROP_UNENCRYPT:
 981             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DROP_UNENCRYPT \n");
 982                 break;
 983
 984     case VIAWGET_SET_DEAUTHENTICATE:
 985             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DEAUTHENTICATE \n");
 986                 break;
 987
 988         default:
 989             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_ioctl: unknown cmd=%d\n",
 990                        param->cmd);
 991                 return -EOPNOTSUPP;
 992                 break;
 993         }
 994
 995         if ((ret == 0) && wpa_ioctl) {
 996                 if (copy_to_user(p->pointer, param, p->length)) {
 997                         ret = -EFAULT;
 998                         goto out;
 999                 }
1000         }
1001
1002 out:
1003         if (param != NULL)
1004                 kfree(param);
1005
1006         return ret;
1007 }
1008