drivers/staging/vt6655/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: Oct. 20, 2003
  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 "rf.h"
  42
  43 /*---------------------  Static Definitions -------------------------*/
  44
  45 #define VIAWGET_WPA_MAX_BUF_SIZE 1024
  46
  47
  48
  49 static const int frequency_list[] = {
  50         2412, 2417, 2422, 2427, 2432, 2437, 2442,
  51         2447, 2452, 2457, 2462, 2467, 2472, 2484
  52 };
  53 /*---------------------  Static Classes  ----------------------------*/
  54
  55 /*---------------------  Static Variables  --------------------------*/
  56 //static int          msglevel                =MSG_LEVEL_DEBUG;
  57 static int          msglevel                =MSG_LEVEL_INFO;
  58
  59 /*---------------------  Static Functions  --------------------------*/
  60
  61
  62
  63
  64 /*---------------------  Export Variables  --------------------------*/
  65 static void wpadev_setup(struct net_device *dev)
  66 {
  67         dev->type               = ARPHRD_IEEE80211;
  68         dev->hard_header_len    = ETH_HLEN;
  69         dev->mtu                = 2048;
  70         dev->addr_len           = ETH_ALEN;
  71         dev->tx_queue_len       = 1000;
  72
  73         memset(dev->broadcast,0xFF, ETH_ALEN);
  74
  75         dev->flags              = IFF_BROADCAST|IFF_MULTICAST;
  76 }
  77
  78 /*
  79  * Description:
  80  *      register netdev for wpa supplicant deamon
  81  *
  82  * Parameters:
  83  *  In:
  84  *      pDevice             -
  85  *      enable              -
  86  *  Out:
  87  *
  88  * Return Value:
  89  *
  90  */
  91
  92 static int wpa_init_wpadev(PSDevice pDevice)
  93 {
  94     PSDevice wpadev_priv;
  95         struct net_device *dev = pDevice->dev;
  96          int ret=0;
  97
  98         pDevice->wpadev = alloc_netdev(sizeof(PSDevice), "vntwpa", wpadev_setup);
  99         if (pDevice->wpadev == NULL)
 100                 return -ENOMEM;
 101
 102     wpadev_priv = netdev_priv(pDevice->wpadev);
 103     *wpadev_priv = *pDevice;
 104         memcpy(pDevice->wpadev->dev_addr, dev->dev_addr, ETH_ALEN);
 105          pDevice->wpadev->base_addr = dev->base_addr;
 106         pDevice->wpadev->irq = dev->irq;
 107         pDevice->wpadev->mem_start = dev->mem_start;
 108         pDevice->wpadev->mem_end = dev->mem_end;
 109         ret = register_netdev(pDevice->wpadev);
 110         if (ret) {
 111                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: register_netdev(WPA) failed!\n",
 112                        dev->name);
 113                 free_netdev(pDevice->wpadev);
 114                 return -1;
 115         }
 116
 117         if (pDevice->skb == NULL) {
 118         pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
 119         if (pDevice->skb == NULL)
 120                     return -ENOMEM;
 121     }
 122
 123     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Registered netdev %s for WPA management\n",
 124                dev->name, pDevice->wpadev->name);
 125
 126         return 0;
 127 }
 128
 129
 130 /*
 131  * Description:
 132  *      unregister net_device (wpadev)
 133  *
 134  * Parameters:
 135  *  In:
 136  *      pDevice             -
 137  *  Out:
 138  *
 139  * Return Value:
 140  *
 141  */
 142
 143 static int wpa_release_wpadev(PSDevice pDevice)
 144 {
 145     if (pDevice->skb) {
 146         dev_kfree_skb(pDevice->skb);
 147         pDevice->skb = NULL;
 148     }
 149
 150     if (pDevice->wpadev) {
 151         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Netdevice %s unregistered\n",
 152                pDevice->dev->name, pDevice->wpadev->name);
 153         unregister_netdev(pDevice->wpadev);
 154         free_netdev(pDevice->wpadev);
 155          pDevice->wpadev = NULL;
 156     }
 157
 158         return 0;
 159 }
 160
 161
 162
 163
 164
 165 /*
 166  * Description:
 167  *      Set enable/disable dev for wpa supplicant deamon
 168  *
 169  * Parameters:
 170  *  In:
 171  *      pDevice             -
 172  *      val                 -
 173  *  Out:
 174  *
 175  * Return Value:
 176  *
 177  */
 178
 179 int wpa_set_wpadev(PSDevice pDevice, int val)
 180 {
 181         if (val)
 182                 return wpa_init_wpadev(pDevice);
 183         else
 184                 return wpa_release_wpadev(pDevice);
 185 }
 186
 187
 188 /*
 189  * Description:
 190  *      Set WPA algorithm & keys
 191  *
 192  * Parameters:
 193  *  In:
 194  *      pDevice -
 195  *      param -
 196  *  Out:
 197  *
 198  * Return Value:
 199  *
 200  */
 201
 202  int wpa_set_keys(PSDevice pDevice, void *ctx, bool fcpfkernel)
 203 {
 204     struct viawget_wpa_param *param=ctx;
 205     PSMgmtObject pMgmt = pDevice->pMgmt;
 206     unsigned long dwKeyIndex = 0;
 207     unsigned char abyKey[MAX_KEY_LEN];
 208     unsigned char abySeq[MAX_KEY_LEN];
 209     QWORD   KeyRSC;
 210 //    NDIS_802_11_KEY_RSC KeyRSC;
 211     unsigned char byKeyDecMode = KEY_CTL_WEP;
 212         int ret = 0;
 213         int uu, ii;
 214
 215
 216         if (param->u.wpa_key.alg_name > WPA_ALG_CCMP)
 217                 return -EINVAL;
 218
 219     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "param->u.wpa_key.alg_name = %d \n", param->u.wpa_key.alg_name);
 220         if (param->u.wpa_key.alg_name == WPA_ALG_NONE) {
 221         pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
 222         pDevice->bEncryptionEnable = false;
 223         pDevice->byKeyIndex = 0;
 224         pDevice->bTransmitKey = false;
 225         KeyvRemoveAllWEPKey(&(pDevice->sKey), pDevice->PortOffset);
 226         for (uu=0; uu<MAX_KEY_TABLE; uu++) {
 227             MACvDisableKeyEntry(pDevice->PortOffset, 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         spin_unlock_irq(&pDevice->lock);
 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 spin_lock_irq(&pDevice->lock);
 244         }
 245
 246     dwKeyIndex = (unsigned long)(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 = (unsigned char)dwKeyIndex;
 255                 pDevice->bTransmitKey = true;
 256                         dwKeyIndex |= (1 << 31);
 257             }
 258             KeybSetDefaultKey(&(pDevice->sKey),
 259                                 dwKeyIndex & ~(BIT30 | USE_KEYRSC),
 260                                 param->u.wpa_key.key_len,
 261                                 NULL,
 262                                 abyKey,
 263                                 KEY_CTL_WEP,
 264                                 pDevice->PortOffset,
 265                                 pDevice->byLocalID);
 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                 spin_unlock_irq(&pDevice->lock);
 279         if (param->u.wpa_key.seq &&
 280             copy_from_user(&abySeq[0], param->u.wpa_key.seq, param->u.wpa_key.seq_len)) {
 281             spin_lock_irq(&pDevice->lock);
 282             return -EINVAL;
 283         }
 284 spin_lock_irq(&pDevice->lock);
 285 }
 286
 287         if (param->u.wpa_key.seq_len > 0) {
 288                 for (ii = 0 ; ii < param->u.wpa_key.seq_len ; ii++) {
 289                      if (ii < 4)
 290                             LODWORD(KeyRSC) |= (abySeq[ii] << (ii * 8));
 291                          else
 292                             HIDWORD(KeyRSC) |= (abySeq[ii] << ((ii-4) * 8));
 293                  //KeyRSC |= (abySeq[ii] << (ii * 8));
 294                 }
 295                 dwKeyIndex |= 1 << 29;
 296         }
 297
 298     if (param->u.wpa_key.key_index >= MAX_GROUP_KEY) {
 299         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return  dwKeyIndex > 3\n");
 300         return -EINVAL;
 301     }
 302
 303         if (param->u.wpa_key.alg_name == WPA_ALG_TKIP) {
 304         pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
 305     }
 306
 307         if (param->u.wpa_key.alg_name == WPA_ALG_CCMP) {
 308         pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
 309     }
 310
 311         if (param->u.wpa_key.set_tx)
 312                 dwKeyIndex |= (1 << 31);
 313
 314
 315     if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled)
 316         byKeyDecMode = KEY_CTL_CCMP;
 317     else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled)
 318         byKeyDecMode = KEY_CTL_TKIP;
 319     else
 320         byKeyDecMode = KEY_CTL_WEP;
 321
 322     // Fix HCT test that set 256 bits KEY and Ndis802_11Encryption3Enabled
 323     if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) {
 324         if (param->u.wpa_key.key_len == MAX_KEY_LEN)
 325             byKeyDecMode = KEY_CTL_TKIP;
 326         else if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN)
 327             byKeyDecMode = KEY_CTL_WEP;
 328         else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN)
 329             byKeyDecMode = KEY_CTL_WEP;
 330     } else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) {
 331         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     }
 336
 337     // Check TKIP key length
 338     if ((byKeyDecMode == KEY_CTL_TKIP) &&
 339         (param->u.wpa_key.key_len != MAX_KEY_LEN)) {
 340         // TKIP Key must be 256 bits
 341         //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - TKIP Key must be 256 bits\n"));
 342         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return- TKIP Key must be 256 bits!\n");
 343         return -EINVAL;
 344     }
 345     // Check AES key length
 346     if ((byKeyDecMode == KEY_CTL_CCMP) &&
 347         (param->u.wpa_key.key_len != AES_KEY_LEN)) {
 348         // AES Key must be 128 bits
 349         //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - AES Key must be 128 bits\n"));
 350         return -EINVAL;
 351     }
 352
 353    // spin_lock_irq(&pDevice->lock);
 354     if (is_broadcast_ether_addr(&param->addr[0]) || (param->addr == NULL)) {
 355         // If is_broadcast_ether_addr, set the key as every key entry's group key.
 356         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Groupe Key Assign.\n");
 357
 358         if ((KeybSetAllGroupKey(&(pDevice->sKey),
 359                             dwKeyIndex,
 360                             param->u.wpa_key.key_len,
 361                             (PQWORD) &(KeyRSC),
 362                             (unsigned char *)abyKey,
 363                             byKeyDecMode,
 364                             pDevice->PortOffset,
 365                             pDevice->byLocalID) == true) &&
 366             (KeybSetDefaultKey(&(pDevice->sKey),
 367                             dwKeyIndex,
 368                             param->u.wpa_key.key_len,
 369                             (PQWORD) &(KeyRSC),
 370                             (unsigned char *)abyKey,
 371                             byKeyDecMode,
 372                             pDevice->PortOffset,
 373                             pDevice->byLocalID) == true) ) {
 374              DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "GROUP Key Assign.\n");
 375
 376         } else {
 377             //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA -KeybSetDefaultKey Fail.0\n"));
 378            // spin_unlock_irq(&pDevice->lock);
 379             return -EINVAL;
 380         }
 381
 382     } else {
 383         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Assign.\n");
 384         // BSSID not 0xffffffffffff
 385         // Pairwise Key can't be WEP
 386         if (byKeyDecMode == KEY_CTL_WEP) {
 387             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key can't be WEP\n");
 388             //spin_unlock_irq(&pDevice->lock);
 389             return -EINVAL;
 390         }
 391
 392         dwKeyIndex |= (1 << 30); // set pairwise key
 393         if (pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) {
 394             //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - WMAC_CONFIG_IBSS_STA\n"));
 395             //spin_unlock_irq(&pDevice->lock);
 396             return -EINVAL;
 397         }
 398         if (KeybSetKey(&(pDevice->sKey),
 399                        &param->addr[0],
 400                        dwKeyIndex,
 401                        param->u.wpa_key.key_len,
 402                        (PQWORD) &(KeyRSC),
 403                        (unsigned char *)abyKey,
 404                         byKeyDecMode,
 405                         pDevice->PortOffset,
 406                         pDevice->byLocalID) == true) {
 407             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Set\n");
 408
 409         } else {
 410             // Key Table Full
 411             if (!compare_ether_addr(&param->addr[0], pDevice->abyBSSID)) {
 412                 //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA -Key Table Full.2\n"));
 413                 //spin_unlock_irq(&pDevice->lock);
 414                 return -EINVAL;
 415
 416             } else {
 417                 // Save Key and configure just before associate/reassociate to BSSID
 418                 // we do not implement now
 419                 //spin_unlock_irq(&pDevice->lock);
 420                 return -EINVAL;
 421             }
 422         }
 423     } // BSSID not 0xffffffffffff
 424     if ((ret == 0) && ((param->u.wpa_key.set_tx) != 0)) {
 425         pDevice->byKeyIndex = (unsigned char)param->u.wpa_key.key_index;
 426         pDevice->bTransmitKey = true;
 427     }
 428     pDevice->bEncryptionEnable = true;
 429     //spin_unlock_irq(&pDevice->lock);
 430
 431 /*
 432     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " key=%x-%x-%x-%x-%x-xxxxx \n",
 433                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][0],
 434                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][1],
 435                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][2],
 436                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][3],
 437                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][4]
 438               );
 439 */
 440
 441         return ret;
 442
 443 }
 444
 445
 446 /*
 447  * Description:
 448  *      enable wpa auth & mode
 449  *
 450  * Parameters:
 451  *  In:
 452  *      pDevice   -
 453  *      param     -
 454  *  Out:
 455  *
 456  * Return Value:
 457  *
 458  */
 459
 460 static int wpa_set_wpa(PSDevice pDevice,
 461                                      struct viawget_wpa_param *param)
 462 {
 463
 464     PSMgmtObject    pMgmt = pDevice->pMgmt;
 465         int ret = 0;
 466
 467     pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
 468     pMgmt->bShareKeyAlgorithm = false;
 469
 470     return ret;
 471 }
 472
 473
 474
 475
 476  /*
 477  * Description:
 478  *      set disassociate
 479  *
 480  * Parameters:
 481  *  In:
 482  *      pDevice   -
 483  *      param     -
 484  *  Out:
 485  *
 486  * Return Value:
 487  *
 488  */
 489
 490 static int wpa_set_disassociate(PSDevice pDevice,
 491                                      struct viawget_wpa_param *param)
 492 {
 493     PSMgmtObject    pMgmt = pDevice->pMgmt;
 494         int ret = 0;
 495
 496     spin_lock_irq(&pDevice->lock);
 497     if (pDevice->bLinkPass) {
 498         if (!memcmp(param->addr, pMgmt->abyCurrBSSID, 6))
 499             bScheduleCommand((void *)pDevice, WLAN_CMD_DISASSOCIATE, NULL);
 500     }
 501     spin_unlock_irq(&pDevice->lock);
 502
 503     return ret;
 504 }
 505
 506
 507
 508 /*
 509  * Description:
 510  *      enable scan process
 511  *
 512  * Parameters:
 513  *  In:
 514  *      pDevice   -
 515  *      param     -
 516  *  Out:
 517  *
 518  * Return Value:
 519  *
 520  */
 521
 522 static int wpa_set_scan(PSDevice pDevice,
 523                                      struct viawget_wpa_param *param)
 524 {
 525         int ret = 0;
 526
 527     spin_lock_irq(&pDevice->lock);
 528     BSSvClearBSSList((void *)pDevice, pDevice->bLinkPass);
 529     bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
 530     spin_unlock_irq(&pDevice->lock);
 531
 532     return ret;
 533 }
 534
 535
 536
 537 /*
 538  * Description:
 539  *      get bssid
 540  *
 541  * Parameters:
 542  *  In:
 543  *      pDevice   -
 544  *      param     -
 545  *  Out:
 546  *
 547  * Return Value:
 548  *
 549  */
 550
 551 static int wpa_get_bssid(PSDevice pDevice,
 552                                      struct viawget_wpa_param *param)
 553 {
 554     PSMgmtObject        pMgmt = pDevice->pMgmt;
 555         int ret = 0;
 556
 557         memcpy(param->u.wpa_associate.bssid, pMgmt->abyCurrBSSID , 6);
 558
 559     return ret;
 560
 561 }
 562
 563
 564 /*
 565  * Description:
 566  *      get bssid
 567  *
 568  * Parameters:
 569  *  In:
 570  *      pDevice   -
 571  *      param     -
 572  *  Out:
 573  *
 574  * Return Value:
 575  *
 576  */
 577
 578 static int wpa_get_ssid(PSDevice pDevice,
 579                                      struct viawget_wpa_param *param)
 580 {
 581     PSMgmtObject        pMgmt = pDevice->pMgmt;
 582         PWLAN_IE_SSID       pItemSSID;
 583         int ret = 0;
 584
 585     pItemSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
 586
 587         memcpy(param->u.wpa_associate.ssid, pItemSSID->abySSID , pItemSSID->len);
 588         param->u.wpa_associate.ssid_len = pItemSSID->len;
 589
 590     return ret;
 591 }
 592
 593
 594
 595 /*
 596  * Description:
 597  *      get scan results
 598  *
 599  * Parameters:
 600  *  In:
 601  *      pDevice   -
 602  *      param     -
 603  *  Out:
 604  *
 605  * Return Value:
 606  *
 607  */
 608
 609 static int wpa_get_scan(PSDevice pDevice,
 610                                      struct viawget_wpa_param *param)
 611 {
 612         struct viawget_scan_result *scan_buf;
 613     PSMgmtObject    pMgmt = pDevice->pMgmt;
 614     PWLAN_IE_SSID   pItemSSID;
 615     PKnownBSS pBSS;
 616         unsigned char *pBuf;
 617         int ret = 0;
 618         u16 count = 0;
 619         u16 ii, jj;
 620 #if 1
 621
 622     unsigned char *ptempBSS;
 623
 624
 625
 626     ptempBSS = kmalloc(sizeof(KnownBSS), (int)GFP_ATOMIC);
 627
 628     if (ptempBSS == NULL) {
 629
 630        printk("bubble sort kmalloc memory fail@@@\n");
 631
 632         ret = -ENOMEM;
 633
 634         return ret;
 635
 636     }
 637
 638     for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 639
 640          for(jj=0;jj<MAX_BSS_NUM-ii-1;jj++) {
 641
 642            if((pMgmt->sBSSList[jj].bActive!=true) ||
 643
 644                 ((pMgmt->sBSSList[jj].uRSSI>pMgmt->sBSSList[jj+1].uRSSI) &&(pMgmt->sBSSList[jj+1].bActive!=false))) {
 645
 646                  memcpy(ptempBSS,&pMgmt->sBSSList[jj],sizeof(KnownBSS));
 647
 648                  memcpy(&pMgmt->sBSSList[jj],&pMgmt->sBSSList[jj+1],sizeof(KnownBSS));
 649
 650                  memcpy(&pMgmt->sBSSList[jj+1],ptempBSS,sizeof(KnownBSS));
 651
 652               }
 653
 654          }
 655
 656     }
 657
 658   kfree(ptempBSS);
 659
 660  // printk("bubble sort result:\n");
 661
 662   //for (ii = 0; ii < MAX_BSS_NUM; ii++)
 663
 664   //    printk("%d [%s]:RSSI=%d\n",ii,((PWLAN_IE_SSID)(pMgmt->sBSSList[ii].abySSID))->abySSID,
 665
 666   //                                                                 pMgmt->sBSSList[ii].uRSSI);
 667
 668  #endif
 669
 670 //******mike:bubble sort by stronger RSSI*****//
 671
 672
 673
 674
 675         count = 0;
 676         pBSS = &(pMgmt->sBSSList[0]);
 677     for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 678         pBSS = &(pMgmt->sBSSList[ii]);
 679         if (!pBSS->bActive)
 680             continue;
 681         count++;
 682     }
 683
 684     pBuf = kcalloc(count, sizeof(struct viawget_scan_result), (int)GFP_ATOMIC);
 685
 686     if (pBuf == NULL) {
 687         ret = -ENOMEM;
 688         return ret;
 689     }
 690     scan_buf = (struct viawget_scan_result *)pBuf;
 691         pBSS = &(pMgmt->sBSSList[0]);
 692     for (ii = 0, jj = 0; ii < MAX_BSS_NUM ; ii++) {
 693         pBSS = &(pMgmt->sBSSList[ii]);
 694         if (pBSS->bActive) {
 695             if (jj >= count)
 696                 break;
 697             memcpy(scan_buf->bssid, pBSS->abyBSSID, WLAN_BSSID_LEN);
 698             pItemSSID = (PWLAN_IE_SSID)pBSS->abySSID;
 699                     memcpy(scan_buf->ssid, pItemSSID->abySSID, pItemSSID->len);
 700                     scan_buf->ssid_len = pItemSSID->len;
 701             scan_buf->freq = frequency_list[pBSS->uChannel-1];
 702           scan_buf->caps = pBSS->wCapInfo;
 703             //scan_buf->caps = pBSS->wCapInfo;
 704             //scan_buf->qual =
 705             //scan_buf->noise =
 706             //scan_buf->level =
 707             //scan_buf->maxrate =
 708             if (pBSS->wWPALen != 0) {
 709                 scan_buf->wpa_ie_len = pBSS->wWPALen;
 710                 memcpy(scan_buf->wpa_ie, pBSS->byWPAIE, pBSS->wWPALen);
 711             }
 712             if (pBSS->wRSNLen != 0) {
 713                 scan_buf->rsn_ie_len = pBSS->wRSNLen;
 714                 memcpy(scan_buf->rsn_ie, pBSS->byRSNIE, pBSS->wRSNLen);
 715             }
 716             scan_buf = (struct viawget_scan_result *)((unsigned char *)scan_buf + sizeof(struct viawget_scan_result));
 717             jj ++;
 718         }
 719     }
 720
 721     if (jj < count)
 722         count = jj;
 723
 724     if (copy_to_user(param->u.scan_results.buf, pBuf, sizeof(struct viawget_scan_result) * count)) {
 725                 ret = -EFAULT;
 726         }
 727         param->u.scan_results.scan_count = count;
 728     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " param->u.scan_results.scan_count = %d\n", count)
 729
 730     kfree(pBuf);
 731     return ret;
 732 }
 733
 734
 735
 736 /*
 737  * Description:
 738  *      set associate with AP
 739  *
 740  * Parameters:
 741  *  In:
 742  *      pDevice   -
 743  *      param     -
 744  *  Out:
 745  *
 746  * Return Value:
 747  *
 748  */
 749
 750 static int wpa_set_associate(PSDevice pDevice,
 751                                      struct viawget_wpa_param *param)
 752 {
 753     PSMgmtObject    pMgmt = pDevice->pMgmt;
 754     PWLAN_IE_SSID   pItemSSID;
 755     unsigned char abyNullAddr[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 756     unsigned char abyWPAIE[64];
 757     int ret = 0;
 758     bool bWepEnabled=false;
 759
 760         // set key type & algorithm
 761     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pairwise_suite = %d\n", param->u.wpa_associate.pairwise_suite);
 762     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "group_suite = %d\n", param->u.wpa_associate.group_suite);
 763     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "key_mgmt_suite = %d\n", param->u.wpa_associate.key_mgmt_suite);
 764     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "auth_alg = %d\n", param->u.wpa_associate.auth_alg);
 765     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "mode = %d\n", param->u.wpa_associate.mode);
 766     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_ie_len = %d\n", param->u.wpa_associate.wpa_ie_len);
 767
 768
 769         if (param->u.wpa_associate.wpa_ie_len) {
 770                 if (!param->u.wpa_associate.wpa_ie)
 771                         return -EINVAL;
 772                 if (param->u.wpa_associate.wpa_ie_len > sizeof(abyWPAIE))
 773                         return -EINVAL;
 774                 if (copy_from_user(&abyWPAIE[0], param->u.wpa_associate.wpa_ie, param->u.wpa_associate.wpa_ie_len))
 775                         return -EFAULT;
 776         }
 777
 778         if (param->u.wpa_associate.mode == 1)
 779             pMgmt->eConfigMode = WMAC_CONFIG_IBSS_STA;
 780         else
 781             pMgmt->eConfigMode = WMAC_CONFIG_ESS_STA;
 782     // set ssid
 783         memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
 784     pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
 785     pItemSSID->byElementID = WLAN_EID_SSID;
 786         pItemSSID->len = param->u.wpa_associate.ssid_len;
 787         memcpy(pItemSSID->abySSID, param->u.wpa_associate.ssid, pItemSSID->len);
 788         // set bssid
 789     if (memcmp(param->u.wpa_associate.bssid, &abyNullAddr[0], 6) != 0)
 790         memcpy(pMgmt->abyDesireBSSID, param->u.wpa_associate.bssid, 6);
 791 else
 792 {
 793    bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, pItemSSID->abySSID);
 794 }
 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                 break;
 827         case CIPHER_NONE:
 828                 if (param->u.wpa_associate.group_suite == CIPHER_CCMP)
 829                         pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
 830                 else
 831                         pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
 832                 break;
 833         default:
 834                 pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
 835         }
 836
 837 //DavidWang add for WPA_supplicant support open/share mode
 838
 839       if (pMgmt->eAuthenMode == WMAC_AUTH_SHAREKEY) {
 840             pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
 841             //pMgmt->eAuthenMode = WMAC_AUTH_SHAREKEY;
 842             pMgmt->bShareKeyAlgorithm = true;
 843              }
 844      else if (pMgmt->eAuthenMode == WMAC_AUTH_OPEN) {
 845           if(!bWepEnabled)  pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
 846         else pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
 847             //pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
 848             //pMgmt->bShareKeyAlgorithm = false; //20080717-06,<Modify> by chester//Fix Open mode, WEP encrytion
 849            }
 850 //mike save old encryption status
 851         pDevice->eOldEncryptionStatus = pDevice->eEncryptionStatus;
 852
 853     if (pDevice->eEncryptionStatus !=  Ndis802_11EncryptionDisabled)
 854         pDevice->bEncryptionEnable = true;
 855     else
 856         pDevice->bEncryptionEnable = false;
 857 if (!((pMgmt->eAuthenMode == WMAC_AUTH_SHAREKEY) ||
 858       ((pMgmt->eAuthenMode == WMAC_AUTH_OPEN) && (bWepEnabled==true))) )  //DavidWang  //20080717-06,<Modify> by chester//Not to initial WEP
 859     KeyvInitTable(&pDevice->sKey, pDevice->PortOffset);
 860     spin_lock_irq(&pDevice->lock);
 861     pDevice->bLinkPass = false;
 862     memset(pMgmt->abyCurrBSSID, 0, 6);
 863     pMgmt->eCurrState = WMAC_STATE_IDLE;
 864     netif_stop_queue(pDevice->dev);
 865         //20080701-02,<Add> by Mike Liu
 866 /*******search if ap_scan=2 ,which is associating request in hidden ssid mode ****/
 867 {
 868    PKnownBSS       pCurr = NULL;
 869     pCurr = BSSpSearchBSSList(pDevice,
 870                               pMgmt->abyDesireBSSID,
 871                               pMgmt->abyDesireSSID,
 872                               pMgmt->eConfigPHYMode
 873                               );
 874
 875     if (pCurr == NULL){
 876     printk("wpa_set_associate---->hidden mode site survey before associate.......\n");
 877     bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
 878   }
 879 }
 880 /****************************************************************/
 881     bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL);
 882     spin_unlock_irq(&pDevice->lock);
 883
 884     return ret;
 885 }
 886
 887
 888 /*
 889  * Description:
 890  *      wpa_ioctl main function supported for wpa supplicant
 891  *
 892  * Parameters:
 893  *  In:
 894  *      pDevice   -
 895  *      iw_point  -
 896  *  Out:
 897  *
 898  * Return Value:
 899  *
 900  */
 901
 902 int wpa_ioctl(PSDevice pDevice, struct iw_point *p)
 903 {
 904         struct viawget_wpa_param *param;
 905         int ret = 0;
 906         int wpa_ioctl = 0;
 907
 908         if (p->length < sizeof(struct viawget_wpa_param) ||
 909             p->length > VIAWGET_WPA_MAX_BUF_SIZE || !p->pointer)
 910                 return -EINVAL;
 911
 912         param = kmalloc((int)p->length, (int)GFP_KERNEL);
 913         if (param == NULL)
 914                 return -ENOMEM;
 915
 916         if (copy_from_user(param, p->pointer, p->length)) {
 917                 ret = -EFAULT;
 918                 goto out;
 919         }
 920
 921         switch (param->cmd) {
 922         case VIAWGET_SET_WPA:
 923         ret = wpa_set_wpa(pDevice, param);
 924             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_WPA \n");
 925                 break;
 926
 927         case VIAWGET_SET_KEY:
 928             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_KEY \n");
 929             spin_lock_irq(&pDevice->lock);
 930         ret = wpa_set_keys(pDevice, param, false);
 931         spin_unlock_irq(&pDevice->lock);
 932                 break;
 933
 934         case VIAWGET_SET_SCAN:
 935             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_SCAN \n");
 936         ret = wpa_set_scan(pDevice, param);
 937                 break;
 938
 939         case VIAWGET_GET_SCAN:
 940             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_SCAN\n");
 941         ret = wpa_get_scan(pDevice, param);
 942                 wpa_ioctl = 1;
 943                 break;
 944
 945         case VIAWGET_GET_SSID:
 946             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_SSID \n");
 947         ret = wpa_get_ssid(pDevice, param);
 948                 wpa_ioctl = 1;
 949                 break;
 950
 951         case VIAWGET_GET_BSSID:
 952             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_BSSID \n");
 953         ret = wpa_get_bssid(pDevice, param);
 954                 wpa_ioctl = 1;
 955                 break;
 956
 957         case VIAWGET_SET_ASSOCIATE:
 958             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_ASSOCIATE \n");
 959         ret = wpa_set_associate(pDevice, param);
 960                 break;
 961
 962         case VIAWGET_SET_DISASSOCIATE:
 963             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DISASSOCIATE \n");
 964         ret = wpa_set_disassociate(pDevice, param);
 965                 break;
 966
 967         case VIAWGET_SET_DROP_UNENCRYPT:
 968             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DROP_UNENCRYPT \n");
 969                 break;
 970
 971     case VIAWGET_SET_DEAUTHENTICATE:
 972             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DEAUTHENTICATE \n");
 973                 break;
 974
 975         default:
 976             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_ioctl: unknown cmd=%d\n",
 977                        param->cmd);
 978                 return -EOPNOTSUPP;
 979                 break;
 980         }
 981
 982         if ((ret == 0) && wpa_ioctl) {
 983                 if (copy_to_user(p->pointer, param, p->length)) {
 984                         ret = -EFAULT;
 985                         goto out;
 986                 }
 987         }
 988
 989 out:
 990         kfree(param);
 991
 992         return ret;
 993 }
 994