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