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, ETH_ALEN);
 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  * Description:
 191  *      Set WPA algorithm & keys
 192  *
 193  * Parameters:
 194  *  In:
 195  *      pDevice -
 196  *      param -
 197  *  Out:
 198  *
 199  * Return Value:
 200  *
 201  */
 202
 203  int wpa_set_keys(PSDevice pDevice, void *ctx, BOOL  fcpfkernel)
 204 {
 205     struct viawget_wpa_param *param=ctx;
 206     PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
 207     DWORD   dwKeyIndex = 0;
 208     BYTE    abyKey[MAX_KEY_LEN];
 209     BYTE    abySeq[MAX_KEY_LEN];
 210     QWORD   KeyRSC;
 211 //    NDIS_802_11_KEY_RSC KeyRSC;
 212     BYTE    byKeyDecMode = KEY_CTL_WEP;
 213         int ret = 0;
 214         int uu, ii;
 215
 216
 217         if (param->u.wpa_key.alg_name > WPA_ALG_CCMP)
 218                 return -EINVAL;
 219
 220     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "param->u.wpa_key.alg_name = %d \n", param->u.wpa_key.alg_name);
 221         if (param->u.wpa_key.alg_name == WPA_ALG_NONE) {
 222         pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
 223         pDevice->bEncryptionEnable = FALSE;
 224         pDevice->byKeyIndex = 0;
 225         pDevice->bTransmitKey = FALSE;
 226         for (uu=0; uu<MAX_KEY_TABLE; uu++) {
 227             MACvDisableKeyEntry(pDevice, uu);
 228         }
 229         return ret;
 230     }
 231
 232         if (param->u.wpa_key.key && param->u.wpa_key.key_len > sizeof(abyKey))
 233                 return -EINVAL;
 234
 235     spin_unlock_irq(&pDevice->lock);
 236     if(param->u.wpa_key.key && fcpfkernel) {
 237        memcpy(&abyKey[0], param->u.wpa_key.key, param->u.wpa_key.key_len);
 238      }
 239     else {
 240         if (param->u.wpa_key.key &&
 241             copy_from_user(&abyKey[0], param->u.wpa_key.key, param->u.wpa_key.key_len)) {
 242             spin_lock_irq(&pDevice->lock);
 243             return -EINVAL;
 244         }
 245      }
 246     spin_lock_irq(&pDevice->lock);
 247
 248     dwKeyIndex = (DWORD)(param->u.wpa_key.key_index);
 249
 250         if (param->u.wpa_key.alg_name == WPA_ALG_WEP) {
 251         if (dwKeyIndex > 3) {
 252             return -EINVAL;
 253         }
 254         else {
 255             if (param->u.wpa_key.set_tx) {
 256                 pDevice->byKeyIndex = (BYTE)dwKeyIndex;
 257                 pDevice->bTransmitKey = TRUE;
 258                         dwKeyIndex |= (1 << 31);
 259             }
 260             KeybSetDefaultKey(  pDevice,
 261                                 &(pDevice->sKey),
 262                                 dwKeyIndex & ~(BIT30 | USE_KEYRSC),
 263                                 param->u.wpa_key.key_len,
 264                                 NULL,
 265                                 abyKey,
 266                                 KEY_CTL_WEP
 267                               );
 268
 269         }
 270         pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
 271         pDevice->bEncryptionEnable = TRUE;
 272         return ret;
 273         }
 274
 275
 276         if (param->u.wpa_key.seq && param->u.wpa_key.seq_len > sizeof(abySeq))
 277                 return -EINVAL;
 278
 279     spin_unlock_irq(&pDevice->lock);
 280         if(param->u.wpa_key.seq && fcpfkernel) {
 281            memcpy(&abySeq[0], param->u.wpa_key.seq, param->u.wpa_key.seq_len);
 282                 }
 283        else {
 284         if (param->u.wpa_key.seq &&
 285             copy_from_user(&abySeq[0], param->u.wpa_key.seq, param->u.wpa_key.seq_len)) {
 286             spin_lock_irq(&pDevice->lock);
 287             return -EINVAL;
 288         }
 289         }
 290         spin_lock_irq(&pDevice->lock);
 291
 292         if (param->u.wpa_key.seq_len > 0) {
 293                 for (ii = 0 ; ii < param->u.wpa_key.seq_len ; ii++) {
 294                      if (ii < 4)
 295                             LODWORD(KeyRSC) |= (abySeq[ii] << (ii * 8));
 296                          else
 297                             HIDWORD(KeyRSC) |= (abySeq[ii] << ((ii-4) * 8));
 298                  //KeyRSC |= (abySeq[ii] << (ii * 8));
 299                 }
 300                 dwKeyIndex |= 1 << 29;
 301         }
 302
 303     if (param->u.wpa_key.key_index >= MAX_GROUP_KEY) {
 304         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return  dwKeyIndex > 3\n");
 305         return -EINVAL;
 306     }
 307
 308         if (param->u.wpa_key.alg_name == WPA_ALG_TKIP) {
 309         pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
 310     }
 311
 312         if (param->u.wpa_key.alg_name == WPA_ALG_CCMP) {
 313         pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
 314     }
 315
 316         if (param->u.wpa_key.set_tx)
 317                 dwKeyIndex |= (1 << 31);
 318
 319
 320     if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled)
 321         byKeyDecMode = KEY_CTL_CCMP;
 322     else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled)
 323         byKeyDecMode = KEY_CTL_TKIP;
 324     else
 325         byKeyDecMode = KEY_CTL_WEP;
 326
 327     // Fix HCT test that set 256 bits KEY and Ndis802_11Encryption3Enabled
 328     if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) {
 329         if (param->u.wpa_key.key_len == MAX_KEY_LEN)
 330             byKeyDecMode = KEY_CTL_TKIP;
 331         else if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN)
 332             byKeyDecMode = KEY_CTL_WEP;
 333         else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN)
 334             byKeyDecMode = KEY_CTL_WEP;
 335     } else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) {
 336         if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN)
 337             byKeyDecMode = KEY_CTL_WEP;
 338         else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN)
 339             byKeyDecMode = KEY_CTL_WEP;
 340     }
 341
 342     // Check TKIP key length
 343     if ((byKeyDecMode == KEY_CTL_TKIP) &&
 344         (param->u.wpa_key.key_len != MAX_KEY_LEN)) {
 345         // TKIP Key must be 256 bits
 346         //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - TKIP Key must be 256 bits\n"));
 347         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return- TKIP Key must be 256 bits!\n");
 348         return -EINVAL;
 349     }
 350     // Check AES key length
 351     if ((byKeyDecMode == KEY_CTL_CCMP) &&
 352         (param->u.wpa_key.key_len != AES_KEY_LEN)) {
 353         // AES Key must be 128 bits
 354         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return - AES Key must be 128 bits\n");
 355         return -EINVAL;
 356     }
 357
 358     if (is_broadcast_ether_addr(&param->addr[0]) || (param->addr == NULL)) {
 359         /* if broadcast, set the key as every key entry's group key */
 360         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Groupe Key Assign.\n");
 361
 362         if ((KeybSetAllGroupKey(pDevice,
 363                             &(pDevice->sKey),
 364                             dwKeyIndex,
 365                             param->u.wpa_key.key_len,
 366                             (PQWORD) &(KeyRSC),
 367                             (PBYTE)abyKey,
 368                             byKeyDecMode
 369                             ) == TRUE) &&
 370             (KeybSetDefaultKey(pDevice,
 371                             &(pDevice->sKey),
 372                             dwKeyIndex,
 373                             param->u.wpa_key.key_len,
 374                             (PQWORD) &(KeyRSC),
 375                             (PBYTE)abyKey,
 376                             byKeyDecMode
 377                             ) == TRUE) ) {
 378              DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "GROUP Key Assign.\n");
 379
 380         } else {
 381             //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA -KeybSetDefaultKey Fail.0\n"));
 382             return -EINVAL;
 383         }
 384
 385     } else {
 386         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Assign.\n");
 387         // BSSID not 0xffffffffffff
 388         // Pairwise Key can't be WEP
 389         if (byKeyDecMode == KEY_CTL_WEP) {
 390             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key can't be WEP\n");
 391             return -EINVAL;
 392         }
 393
 394         dwKeyIndex |= (1 << 30); // set pairwise key
 395         if (pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) {
 396             //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - WMAC_CONFIG_IBSS_STA\n"));
 397             return -EINVAL;
 398         }
 399         if (KeybSetKey(pDevice,
 400                        &(pDevice->sKey),
 401                        &param->addr[0],
 402                        dwKeyIndex,
 403                        param->u.wpa_key.key_len,
 404                        (PQWORD) &(KeyRSC),
 405                        (PBYTE)abyKey,
 406                         byKeyDecMode
 407                        ) == TRUE) {
 408             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Set\n");
 409
 410         } else {
 411             // Key Table Full
 412             if (!compare_ether_addr(&param->addr[0], pDevice->abyBSSID)) {
 413                 //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA -Key Table Full.2\n"));
 414                 return -EINVAL;
 415
 416             } else {
 417                 // Save Key and configure just before associate/reassociate to BSSID
 418                 // we do not implement now
 419                 return -EINVAL;
 420             }
 421         }
 422     } // BSSID not 0xffffffffffff
 423     if ((ret == 0) && ((param->u.wpa_key.set_tx) != 0)) {
 424         pDevice->byKeyIndex = (BYTE)param->u.wpa_key.key_index;
 425         pDevice->bTransmitKey = TRUE;
 426     }
 427     pDevice->bEncryptionEnable = TRUE;
 428
 429 /*
 430     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " key=%x-%x-%x-%x-%x-xxxxx \n",
 431                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][0],
 432                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][1],
 433                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][2],
 434                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][3],
 435                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][4]
 436               );
 437 */
 438
 439         return ret;
 440
 441 }
 442
 443
 444 /*
 445  * Description:
 446  *      enable wpa auth & mode
 447  *
 448  * Parameters:
 449  *  In:
 450  *      pDevice   -
 451  *      param     -
 452  *  Out:
 453  *
 454  * Return Value:
 455  *
 456  */
 457
 458 static int wpa_set_wpa(PSDevice pDevice,
 459                                      struct viawget_wpa_param *param)
 460 {
 461
 462     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 463         int ret = 0;
 464
 465     pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
 466     pMgmt->bShareKeyAlgorithm = FALSE;
 467
 468     return ret;
 469 }
 470
 471
 472
 473
 474  /*
 475  * Description:
 476  *      set disassociate
 477  *
 478  * Parameters:
 479  *  In:
 480  *      pDevice   -
 481  *      param     -
 482  *  Out:
 483  *
 484  * Return Value:
 485  *
 486  */
 487
 488 static int wpa_set_disassociate(PSDevice pDevice,
 489                                      struct viawget_wpa_param *param)
 490 {
 491     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 492         int ret = 0;
 493
 494     spin_lock_irq(&pDevice->lock);
 495     if (pDevice->bLinkPass) {
 496         if (!memcmp(param->addr, pMgmt->abyCurrBSSID, 6))
 497                 bScheduleCommand((void *) pDevice, WLAN_CMD_DISASSOCIATE, NULL);
 498     }
 499     spin_unlock_irq(&pDevice->lock);
 500
 501     return ret;
 502 }
 503
 504
 505
 506 /*
 507  * Description:
 508  *      enable scan process
 509  *
 510  * Parameters:
 511  *  In:
 512  *      pDevice   -
 513  *      param     -
 514  *  Out:
 515  *
 516  * Return Value:
 517  *
 518  */
 519
 520 static int wpa_set_scan(PSDevice pDevice,
 521                         struct viawget_wpa_param *param)
 522 {
 523         int ret = 0;
 524
 525 /**set ap_scan=1&&scan_ssid=1 under hidden ssid mode**/
 526         PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
 527         PWLAN_IE_SSID       pItemSSID;
 528 printk("wpa_set_scan-->desired [ssid=%s,ssid_len=%d]\n",
 529              param->u.scan_req.ssid,param->u.scan_req.ssid_len);
 530 // Set the SSID
 531 memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
 532 pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
 533 pItemSSID->byElementID = WLAN_EID_SSID;
 534 memcpy(pItemSSID->abySSID, param->u.scan_req.ssid, param->u.scan_req.ssid_len);
 535 pItemSSID->len = param->u.scan_req.ssid_len;
 536
 537     spin_lock_irq(&pDevice->lock);
 538     BSSvClearBSSList((void *) pDevice, pDevice->bLinkPass);
 539     /* bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL); */
 540     bScheduleCommand((void *) pDevice,
 541                      WLAN_CMD_BSSID_SCAN,
 542                      pMgmt->abyDesireSSID);
 543     spin_unlock_irq(&pDevice->lock);
 544
 545     return ret;
 546 }
 547
 548
 549
 550 /*
 551  * Description:
 552  *      get bssid
 553  *
 554  * Parameters:
 555  *  In:
 556  *      pDevice   -
 557  *      param     -
 558  *  Out:
 559  *
 560  * Return Value:
 561  *
 562  */
 563
 564 static int wpa_get_bssid(PSDevice pDevice,
 565                                      struct viawget_wpa_param *param)
 566 {
 567     PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
 568         int ret = 0;
 569         memcpy(param->u.wpa_associate.bssid, pMgmt->abyCurrBSSID , 6);
 570
 571     return ret;
 572
 573 }
 574
 575
 576 /*
 577  * Description:
 578  *      get bssid
 579  *
 580  * Parameters:
 581  *  In:
 582  *      pDevice   -
 583  *      param     -
 584  *  Out:
 585  *
 586  * Return Value:
 587  *
 588  */
 589
 590 static int wpa_get_ssid(PSDevice pDevice,
 591                                      struct viawget_wpa_param *param)
 592 {
 593     PSMgmtObject        pMgmt = &(pDevice->sMgmtObj);
 594         PWLAN_IE_SSID       pItemSSID;
 595         int ret = 0;
 596
 597     pItemSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
 598
 599         memcpy(param->u.wpa_associate.ssid, pItemSSID->abySSID , pItemSSID->len);
 600         param->u.wpa_associate.ssid_len = pItemSSID->len;
 601
 602     return ret;
 603 }
 604
 605
 606
 607 /*
 608  * Description:
 609  *      get scan results
 610  *
 611  * Parameters:
 612  *  In:
 613  *      pDevice   -
 614  *      param     -
 615  *  Out:
 616  *
 617  * Return Value:
 618  *
 619  */
 620
 621 static int wpa_get_scan(PSDevice pDevice,
 622                                      struct viawget_wpa_param *param)
 623 {
 624         struct viawget_scan_result *scan_buf;
 625     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 626     PWLAN_IE_SSID   pItemSSID;
 627     PKnownBSS pBSS;
 628         PBYTE  pBuf;
 629         int ret = 0;
 630         u16 count = 0;
 631         u16 ii, jj;
 632         long ldBm;//James //add
 633
 634 //******mike:bubble sort by stronger RSSI*****//
 635
 636     PBYTE ptempBSS;
 637
 638
 639
 640     ptempBSS = kmalloc(sizeof(KnownBSS), (int)GFP_ATOMIC);
 641
 642     if (ptempBSS == NULL) {
 643
 644        printk("bubble sort kmalloc memory fail@@@\n");
 645
 646         ret = -ENOMEM;
 647
 648         return ret;
 649
 650     }
 651
 652     for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 653
 654         for (jj = 0; jj < MAX_BSS_NUM - ii - 1; jj++) {
 655
 656                 if ((pMgmt->sBSSList[jj].bActive != TRUE) ||
 657
 658                 ((pMgmt->sBSSList[jj].uRSSI>pMgmt->sBSSList[jj+1].uRSSI) &&(pMgmt->sBSSList[jj+1].bActive!=FALSE))) {
 659
 660                  memcpy(ptempBSS,&pMgmt->sBSSList[jj],sizeof(KnownBSS));
 661
 662                  memcpy(&pMgmt->sBSSList[jj],&pMgmt->sBSSList[jj+1],sizeof(KnownBSS));
 663
 664                  memcpy(&pMgmt->sBSSList[jj+1],ptempBSS,sizeof(KnownBSS));
 665
 666               }
 667
 668          }
 669
 670     }
 671
 672   kfree(ptempBSS);
 673
 674  // printk("bubble sort result:\n");
 675
 676         count = 0;
 677         pBSS = &(pMgmt->sBSSList[0]);
 678     for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 679         pBSS = &(pMgmt->sBSSList[ii]);
 680         if (!pBSS->bActive)
 681             continue;
 682         count++;
 683     }
 684
 685     pBuf = kcalloc(count, sizeof(struct viawget_scan_result), (int)GFP_ATOMIC);
 686
 687     if (pBuf == NULL) {
 688         ret = -ENOMEM;
 689         return ret;
 690     }
 691     scan_buf = (struct viawget_scan_result *)pBuf;
 692         pBSS = &(pMgmt->sBSSList[0]);
 693     for (ii = 0, jj = 0; ii < MAX_BSS_NUM ; ii++) {
 694         pBSS = &(pMgmt->sBSSList[ii]);
 695         if (pBSS->bActive) {
 696             if (jj >= count)
 697                 break;
 698             memcpy(scan_buf->bssid, pBSS->abyBSSID, WLAN_BSSID_LEN);
 699             pItemSSID = (PWLAN_IE_SSID)pBSS->abySSID;
 700                     memcpy(scan_buf->ssid, pItemSSID->abySSID, pItemSSID->len);
 701                     scan_buf->ssid_len = pItemSSID->len;
 702             scan_buf->freq = frequency_list[pBSS->uChannel-1];
 703             scan_buf->caps = pBSS->wCapInfo;    //DavidWang for sharemode
 704
 705                 RFvRSSITodBm(pDevice, (BYTE)(pBSS->uRSSI), &ldBm);
 706                         if(-ldBm<50){
 707                                 scan_buf->qual = 100;
 708                         }else  if(-ldBm > 90) {
 709                                  scan_buf->qual = 0;
 710                         }else {
 711                                 scan_buf->qual=(40-(-ldBm-50))*100/40;
 712                         }
 713
 714                         //James
 715             //scan_buf->caps = pBSS->wCapInfo;
 716             //scan_buf->qual =
 717             scan_buf->noise = 0;
 718             scan_buf->level = ldBm;
 719
 720             //scan_buf->maxrate =
 721             if (pBSS->wWPALen != 0) {
 722                 scan_buf->wpa_ie_len = pBSS->wWPALen;
 723                 memcpy(scan_buf->wpa_ie, pBSS->byWPAIE, pBSS->wWPALen);
 724             }
 725             if (pBSS->wRSNLen != 0) {
 726                 scan_buf->rsn_ie_len = pBSS->wRSNLen;
 727                 memcpy(scan_buf->rsn_ie, pBSS->byRSNIE, pBSS->wRSNLen);
 728             }
 729             scan_buf = (struct viawget_scan_result *)((PBYTE)scan_buf + sizeof(struct viawget_scan_result));
 730             jj ++;
 731         }
 732     }
 733
 734     if (jj < count)
 735         count = jj;
 736
 737     if (copy_to_user(param->u.scan_results.buf, pBuf, sizeof(struct viawget_scan_result) * count)) {
 738                 ret = -EFAULT;
 739         }
 740         param->u.scan_results.scan_count = count;
 741     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " param->u.scan_results.scan_count = %d\n", count)
 742
 743     kfree(pBuf);
 744     return ret;
 745 }
 746
 747
 748
 749 /*
 750  * Description:
 751  *      set associate with AP
 752  *
 753  * Parameters:
 754  *  In:
 755  *      pDevice   -
 756  *      param     -
 757  *  Out:
 758  *
 759  * Return Value:
 760  *
 761  */
 762
 763 static int wpa_set_associate(PSDevice pDevice,
 764                                      struct viawget_wpa_param *param)
 765 {
 766     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 767     PWLAN_IE_SSID   pItemSSID;
 768     BYTE    abyNullAddr[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 769     BYTE    abyWPAIE[64];
 770     int ret = 0;
 771     BOOL   bwepEnabled=FALSE;
 772
 773         // set key type & algorithm
 774     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pairwise_suite = %d\n", param->u.wpa_associate.pairwise_suite);
 775     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "group_suite = %d\n", param->u.wpa_associate.group_suite);
 776     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "key_mgmt_suite = %d\n", param->u.wpa_associate.key_mgmt_suite);
 777     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "auth_alg = %d\n", param->u.wpa_associate.auth_alg);
 778     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "mode = %d\n", param->u.wpa_associate.mode);
 779     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_ie_len = %d\n", param->u.wpa_associate.wpa_ie_len);
 780     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Roaming dBm = %d\n", param->u.wpa_associate.roam_dbm);  //Davidwang
 781
 782         if (param->u.wpa_associate.wpa_ie) {
 783                 if (param->u.wpa_associate.wpa_ie_len > sizeof(abyWPAIE))
 784                         return -EINVAL;
 785
 786                 if (copy_from_user(&abyWPAIE[0], param->u.wpa_associate.wpa_ie,
 787                                         param->u.wpa_associate.wpa_ie_len))
 788                         return -EFAULT;
 789         }
 790
 791         if (param->u.wpa_associate.mode == 1)
 792             pMgmt->eConfigMode = WMAC_CONFIG_IBSS_STA;
 793         else
 794             pMgmt->eConfigMode = WMAC_CONFIG_ESS_STA;
 795
 796         // set bssid
 797     if (memcmp(param->u.wpa_associate.bssid, &abyNullAddr[0], 6) != 0)
 798         memcpy(pMgmt->abyDesireBSSID, param->u.wpa_associate.bssid, 6);
 799     // set ssid
 800         memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
 801     pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
 802     pItemSSID->byElementID = WLAN_EID_SSID;
 803         pItemSSID->len = param->u.wpa_associate.ssid_len;
 804         memcpy(pItemSSID->abySSID, param->u.wpa_associate.ssid, pItemSSID->len);
 805
 806     if (param->u.wpa_associate.wpa_ie_len == 0) {
 807             if (param->u.wpa_associate.auth_alg & AUTH_ALG_SHARED_KEY)
 808             pMgmt->eAuthenMode = WMAC_AUTH_SHAREKEY;
 809             else
 810             pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
 811         } else if (abyWPAIE[0] == RSN_INFO_ELEM) {
 812                 if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_PSK)
 813                         pMgmt->eAuthenMode = WMAC_AUTH_WPA2PSK;
 814                 else
 815                         pMgmt->eAuthenMode = WMAC_AUTH_WPA2;
 816         } else {
 817                 if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_WPA_NONE)
 818                         pMgmt->eAuthenMode = WMAC_AUTH_WPANONE;
 819                 else if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_PSK)
 820                     pMgmt->eAuthenMode = WMAC_AUTH_WPAPSK;
 821                 else
 822                     pMgmt->eAuthenMode = WMAC_AUTH_WPA;
 823         }
 824
 825         switch (param->u.wpa_associate.pairwise_suite) {
 826         case CIPHER_CCMP:
 827                 pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
 828                 break;
 829         case CIPHER_TKIP:
 830                 pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
 831                 break;
 832         case CIPHER_WEP40:
 833         case CIPHER_WEP104:
 834                 pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
 835                 bwepEnabled = TRUE;
 836         //      printk("****************wpa_set_associate:set CIPHER_WEP40_104\n");
 837                 break;
 838         case CIPHER_NONE:
 839                 if (param->u.wpa_associate.group_suite == CIPHER_CCMP)
 840                         pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
 841                 else
 842                         pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
 843                 break;
 844         default:
 845                 pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
 846         }
 847
 848            pMgmt->Roam_dbm = param->u.wpa_associate.roam_dbm;
 849          // if ((pMgmt->Roam_dbm > 40)&&(pMgmt->Roam_dbm<80))
 850          //    pDevice->bEnableRoaming = TRUE;
 851
 852             if (pMgmt->eAuthenMode == WMAC_AUTH_SHAREKEY) {   //@wep-sharekey
 853             pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
 854             pMgmt->bShareKeyAlgorithm = TRUE;
 855              }
 856             else if (pMgmt->eAuthenMode == WMAC_AUTH_OPEN) {
 857                if(bwepEnabled==TRUE) {                                                         //@open-wep
 858                        pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
 859                 }
 860               else {                                                                                                 //@only open
 861             pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
 862                 }
 863            }
 864 //mike save old encryption status
 865         pDevice->eOldEncryptionStatus = pDevice->eEncryptionStatus;
 866
 867     if (pDevice->eEncryptionStatus !=  Ndis802_11EncryptionDisabled)
 868         pDevice->bEncryptionEnable = TRUE;
 869     else
 870         pDevice->bEncryptionEnable = FALSE;
 871
 872  if ((pMgmt->eAuthenMode == WMAC_AUTH_SHAREKEY) ||
 873       ((pMgmt->eAuthenMode == WMAC_AUTH_OPEN) && (bwepEnabled==TRUE)))  {
 874  //mike re-comment:open-wep && sharekey-wep needn't do initial key!!
 875
 876      }
 877  else
 878     KeyvInitTable(pDevice,&pDevice->sKey);
 879
 880     spin_lock_irq(&pDevice->lock);
 881     pDevice->bLinkPass = FALSE;
 882     ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_SLOW);
 883     memset(pMgmt->abyCurrBSSID, 0, 6);
 884     pMgmt->eCurrState = WMAC_STATE_IDLE;
 885     netif_stop_queue(pDevice->dev);
 886
 887 /*******search if ap_scan=2 ,which is associating request in hidden ssid mode ****/
 888 {
 889    PKnownBSS       pCurr = NULL;
 890     pCurr = BSSpSearchBSSList(pDevice,
 891                               pMgmt->abyDesireBSSID,
 892                               pMgmt->abyDesireSSID,
 893                               pDevice->eConfigPHYMode
 894                               );
 895
 896     if (pCurr == NULL){
 897     printk("wpa_set_associate---->hidden mode site survey before associate.......\n");
 898     bScheduleCommand((void *) pDevice,
 899                      WLAN_CMD_BSSID_SCAN,
 900                      pMgmt->abyDesireSSID);
 901   }
 902 }
 903 /****************************************************************/
 904
 905     bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL);
 906     spin_unlock_irq(&pDevice->lock);
 907
 908     return ret;
 909 }
 910
 911
 912 /*
 913  * Description:
 914  *      wpa_ioctl main function supported for wpa supplicant
 915  *
 916  * Parameters:
 917  *  In:
 918  *      pDevice   -
 919  *      iw_point  -
 920  *  Out:
 921  *
 922  * Return Value:
 923  *
 924  */
 925
 926 int wpa_ioctl(PSDevice pDevice, struct iw_point *p)
 927 {
 928         struct viawget_wpa_param *param;
 929         int ret = 0;
 930         int wpa_ioctl = 0;
 931
 932         if (p->length < sizeof(struct viawget_wpa_param) ||
 933             p->length > VIAWGET_WPA_MAX_BUF_SIZE || !p->pointer)
 934                 return -EINVAL;
 935
 936         param = kmalloc((int)p->length, (int)GFP_KERNEL);
 937         if (param == NULL)
 938                 return -ENOMEM;
 939
 940         if (copy_from_user(param, p->pointer, p->length)) {
 941                 ret = -EFAULT;
 942                 goto out;
 943         }
 944
 945         switch (param->cmd) {
 946         case VIAWGET_SET_WPA:
 947         ret = wpa_set_wpa(pDevice, param);
 948             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_WPA \n");
 949                 break;
 950
 951         case VIAWGET_SET_KEY:
 952             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_KEY \n");
 953             spin_lock_irq(&pDevice->lock);
 954         ret = wpa_set_keys(pDevice, param, FALSE);
 955         spin_unlock_irq(&pDevice->lock);
 956                 break;
 957
 958         case VIAWGET_SET_SCAN:
 959             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_SCAN \n");
 960         ret = wpa_set_scan(pDevice, param);
 961                 break;
 962
 963         case VIAWGET_GET_SCAN:
 964             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_SCAN\n");
 965         ret = wpa_get_scan(pDevice, param);
 966                 wpa_ioctl = 1;
 967                 break;
 968
 969         case VIAWGET_GET_SSID:
 970             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_SSID \n");
 971         ret = wpa_get_ssid(pDevice, param);
 972                 wpa_ioctl = 1;
 973                 break;
 974
 975         case VIAWGET_GET_BSSID:
 976             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_BSSID \n");
 977         ret = wpa_get_bssid(pDevice, param);
 978                 wpa_ioctl = 1;
 979                 break;
 980
 981         case VIAWGET_SET_ASSOCIATE:
 982             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_ASSOCIATE \n");
 983         ret = wpa_set_associate(pDevice, param);
 984                 break;
 985
 986         case VIAWGET_SET_DISASSOCIATE:
 987             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DISASSOCIATE \n");
 988         ret = wpa_set_disassociate(pDevice, param);
 989                 break;
 990
 991         case VIAWGET_SET_DROP_UNENCRYPT:
 992             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DROP_UNENCRYPT \n");
 993                 break;
 994
 995     case VIAWGET_SET_DEAUTHENTICATE:
 996             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DEAUTHENTICATE \n");
 997                 break;
 998
 999         default:
1000             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_ioctl: unknown cmd=%d\n",
1001                        param->cmd);
1002                 return -EOPNOTSUPP;
1003                 break;
1004         }
1005
1006         if ((ret == 0) && wpa_ioctl) {
1007                 if (copy_to_user(p->pointer, param, p->length)) {
1008                         ret = -EFAULT;
1009                         goto out;
1010                 }
1011         }
1012
1013 out:
1014         kfree(param);
1015
1016         return ret;
1017 }
1018