git.oblomov.eu Git - linux-2.6/blob - 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  * File: wpactl.c
  20  *
  21  * Purpose: handle wpa supplicant ioctl input/out functions
  22  *
  23  * Author: Lyndon Chen
  24  *
  25  * Date: Oct. 20, 2003
  26  *
  27  * Functions:
  28  *
  29  * Revision History:
  30  *
  31  */
  32
  33
  34 #if !defined(__WPACTL_H__)
  35 #include "wpactl.h"
  36 #endif
  37 #if !defined(__KEY_H__)
  38 #include "key.h"
  39 #endif
  40 #if !defined(__MAC_H__)
  41 #include "mac.h"
  42 #endif
  43 #if !defined(__DEVICE_H__)
  44 #include "device.h"
  45 #endif
  46 #if !defined(__WMGR_H__)
  47 #include "wmgr.h"
  48 #endif
  49 #if !defined(__IOCMD_H__)
  50 #include "iocmd.h"
  51 #endif
  52 #if !defined(__IOWPA_H__)
  53 #include "iowpa.h"
  54 #endif
  55 //2008-0717-05, <Add> by James
  56 #if !defined(__RF_H__)
  57 #include "rf.h"
  58 #endif
  59
  60 /*---------------------  Static Definitions -------------------------*/
  61
  62 #define VIAWGET_WPA_MAX_BUF_SIZE 1024
  63
  64
  65
  66 static const int frequency_list[] = {
  67         2412, 2417, 2422, 2427, 2432, 2437, 2442,
  68         2447, 2452, 2457, 2462, 2467, 2472, 2484
  69 };
  70 /*---------------------  Static Classes  ----------------------------*/
  71
  72 /*---------------------  Static Variables  --------------------------*/
  73 //static int          msglevel                =MSG_LEVEL_DEBUG;
  74 static int          msglevel                =MSG_LEVEL_INFO;
  75
  76 /*---------------------  Static Functions  --------------------------*/
  77
  78
  79
  80
  81 /*---------------------  Export Variables  --------------------------*/
  82
  83
  84 static void wpadev_setup(struct net_device *dev)
  85 {
  86         dev->type               = ARPHRD_IEEE80211;
  87         dev->hard_header_len    = ETH_HLEN;
  88         dev->mtu                = 2048;
  89         dev->addr_len           = ETH_ALEN;
  90         dev->tx_queue_len       = 1000;
  91
  92         memset(dev->broadcast,0xFF, ETH_ALEN);
  93
  94         dev->flags              = IFF_BROADCAST|IFF_MULTICAST;
  95 }
  96
  97
  98
  99 /*
 100  * Description:
 101  *      register netdev for wpa supplicant deamon
 102  *
 103  * Parameters:
 104  *  In:
 105  *      pDevice             -
 106  *      enable              -
 107  *  Out:
 108  *
 109  * Return Value:
 110  *
 111  */
 112
 113 static int wpa_init_wpadev(PSDevice pDevice)
 114 {
 115     PSDevice wpadev_priv;
 116         struct net_device *dev = pDevice->dev;
 117          int ret=0;
 118
 119         pDevice->wpadev = alloc_netdev(sizeof(PSDevice), "vntwpa", wpadev_setup);
 120         if (pDevice->wpadev == NULL)
 121                 return -ENOMEM;
 122
 123     wpadev_priv = netdev_priv(pDevice->wpadev);
 124     *wpadev_priv = *pDevice;
 125
 126         memcpy(pDevice->wpadev->dev_addr, dev->dev_addr, U_ETHER_ADDR_LEN);
 127          pDevice->wpadev->base_addr = dev->base_addr;
 128         pDevice->wpadev->irq = dev->irq;
 129         pDevice->wpadev->mem_start = dev->mem_start;
 130         pDevice->wpadev->mem_end = dev->mem_end;
 131         ret = register_netdev(pDevice->wpadev);
 132         if (ret) {
 133                 DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: register_netdev(WPA) failed!\n",
 134                        dev->name);
 135                 free_netdev(pDevice->wpadev);
 136                 return -1;
 137         }
 138
 139         if (pDevice->skb == NULL) {
 140         pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
 141         if (pDevice->skb == NULL)
 142                     return -ENOMEM;
 143     }
 144
 145     DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Registered netdev %s for WPA management\n",
 146                dev->name, pDevice->wpadev->name);
 147
 148         return 0;
 149 }
 150
 151
 152 /*
 153  * Description:
 154  *      unregister net_device (wpadev)
 155  *
 156  * Parameters:
 157  *  In:
 158  *      pDevice             -
 159  *  Out:
 160  *
 161  * Return Value:
 162  *
 163  */
 164
 165 static int wpa_release_wpadev(PSDevice pDevice)
 166 {
 167
 168     if (pDevice->skb) {
 169         dev_kfree_skb(pDevice->skb);
 170         pDevice->skb = NULL;
 171     }
 172
 173     if (pDevice->wpadev) {
 174         DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Netdevice %s unregistered\n",
 175                pDevice->dev->name, pDevice->wpadev->name);
 176         unregister_netdev(pDevice->wpadev);
 177         free_netdev(pDevice->wpadev);
 178          pDevice->wpadev = NULL;
 179     }
 180
 181         return 0;
 182 }
 183
 184
 185
 186
 187
 188 /*
 189  * Description:
 190  *      Set enable/disable dev for wpa supplicant deamon
 191  *
 192  * Parameters:
 193  *  In:
 194  *      pDevice             -
 195  *      val                 -
 196  *  Out:
 197  *
 198  * Return Value:
 199  *
 200  */
 201
 202 int wpa_set_wpadev(PSDevice pDevice, int val)
 203 {
 204
 205
 206         if (val)
 207                 return wpa_init_wpadev(pDevice);
 208         else
 209                 return wpa_release_wpadev(pDevice);
 210 }
 211
 212
 213 /*
 214  * Description:
 215  *      Set WPA algorithm & keys
 216  *
 217  * Parameters:
 218  *  In:
 219  *      pDevice -
 220  *      param -
 221  *  Out:
 222  *
 223  * Return Value:
 224  *
 225  */
 226
 227 int wpa_set_keys(PSDevice pDevice, void *ctx, BOOL  fcpfkernel)
 228 {
 229  struct viawget_wpa_param *param=ctx;
 230     PSMgmtObject pMgmt = pDevice->pMgmt;
 231     DWORD   dwKeyIndex = 0;
 232     BYTE    abyKey[MAX_KEY_LEN];
 233     BYTE    abySeq[MAX_KEY_LEN];
 234     QWORD   KeyRSC;
 235 //    NDIS_802_11_KEY_RSC KeyRSC;
 236     BYTE    byKeyDecMode = KEY_CTL_WEP;
 237         int ret = 0;
 238         int uu, ii;
 239
 240
 241         if (param->u.wpa_key.alg_name > WPA_ALG_CCMP)
 242                 return -EINVAL;
 243
 244     DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "param->u.wpa_key.alg_name = %d \n", param->u.wpa_key.alg_name);
 245         if (param->u.wpa_key.alg_name == WPA_ALG_NONE) {
 246         pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
 247         pDevice->bEncryptionEnable = FALSE;
 248         pDevice->byKeyIndex = 0;
 249         pDevice->bTransmitKey = FALSE;
 250         KeyvRemoveAllWEPKey(&(pDevice->sKey), pDevice->PortOffset);
 251         for (uu=0; uu<MAX_KEY_TABLE; uu++) {
 252             MACvDisableKeyEntry(pDevice->PortOffset, uu);
 253         }
 254         return ret;
 255     }
 256
 257     //spin_unlock_irq(&pDevice->lock);
 258     if(param->u.wpa_key.key && fcpfkernel) {
 259        memcpy(&abyKey[0], param->u.wpa_key.key, param->u.wpa_key.key_len);
 260      }
 261     else {
 262         spin_unlock_irq(&pDevice->lock);
 263         if (param->u.wpa_key.key &&
 264             copy_from_user(&abyKey[0], param->u.wpa_key.key, param->u.wpa_key.key_len)){
 265                 spin_lock_irq(&pDevice->lock);
 266             return -EINVAL;
 267         }
 268 spin_lock_irq(&pDevice->lock);
 269         }
 270
 271     dwKeyIndex = (DWORD)(param->u.wpa_key.key_index);
 272
 273         if (param->u.wpa_key.alg_name == WPA_ALG_WEP) {
 274         if (dwKeyIndex > 3) {
 275             return -EINVAL;
 276         }
 277         else {
 278             if (param->u.wpa_key.set_tx) {
 279                 pDevice->byKeyIndex = (BYTE)dwKeyIndex;
 280                 pDevice->bTransmitKey = TRUE;
 281                         dwKeyIndex |= (1 << 31);
 282             }
 283             KeybSetDefaultKey(&(pDevice->sKey),
 284                                 dwKeyIndex & ~(BIT30 | USE_KEYRSC),
 285                                 param->u.wpa_key.key_len,
 286                                 NULL,
 287                                 abyKey,
 288                                 KEY_CTL_WEP,
 289                                 pDevice->PortOffset,
 290                                 pDevice->byLocalID);
 291
 292         }
 293         pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
 294         pDevice->bEncryptionEnable = TRUE;
 295         return ret;
 296         }
 297
 298             //spin_unlock_irq(&pDevice->lock);
 299         if(param->u.wpa_key.seq && fcpfkernel) {
 300            memcpy(&abySeq[0], param->u.wpa_key.seq, param->u.wpa_key.seq_len);
 301                 }
 302        else {
 303                 spin_unlock_irq(&pDevice->lock);
 304         if (param->u.wpa_key.seq &&
 305             copy_from_user(&abySeq[0], param->u.wpa_key.seq, param->u.wpa_key.seq_len)){
 306
 307          spin_lock_irq(&pDevice->lock);
 308             return -EINVAL;
 309         }
 310 spin_lock_irq(&pDevice->lock);
 311 }
 312
 313         if (param->u.wpa_key.seq_len > 0) {
 314                 for (ii = 0 ; ii < param->u.wpa_key.seq_len ; ii++) {
 315                      if (ii < 4)
 316                             LODWORD(KeyRSC) |= (abySeq[ii] << (ii * 8));
 317                          else
 318                             HIDWORD(KeyRSC) |= (abySeq[ii] << ((ii-4) * 8));
 319                  //KeyRSC |= (abySeq[ii] << (ii * 8));
 320                 }
 321                 dwKeyIndex |= 1 << 29;
 322         }
 323
 324     if (param->u.wpa_key.key_index >= MAX_GROUP_KEY) {
 325         DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return  dwKeyIndex > 3\n");
 326         return -EINVAL;
 327     }
 328
 329         if (param->u.wpa_key.alg_name == WPA_ALG_TKIP) {
 330         pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
 331     }
 332
 333         if (param->u.wpa_key.alg_name == WPA_ALG_CCMP) {
 334         pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
 335     }
 336
 337         if (param->u.wpa_key.set_tx)
 338                 dwKeyIndex |= (1 << 31);
 339
 340     if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled)
 341         byKeyDecMode = KEY_CTL_CCMP;
 342     else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled)
 343         byKeyDecMode = KEY_CTL_TKIP;
 344     else
 345         byKeyDecMode = KEY_CTL_WEP;
 346
 347     // Fix HCT test that set 256 bits KEY and Ndis802_11Encryption3Enabled
 348     if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) {
 349         if (param->u.wpa_key.key_len == MAX_KEY_LEN)
 350             byKeyDecMode = KEY_CTL_TKIP;
 351         else if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN)
 352             byKeyDecMode = KEY_CTL_WEP;
 353         else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN)
 354             byKeyDecMode = KEY_CTL_WEP;
 355     } else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) {
 356         if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN)
 357             byKeyDecMode = KEY_CTL_WEP;
 358         else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN)
 359             byKeyDecMode = KEY_CTL_WEP;
 360     }
 361
 362
 363     // Check TKIP key length
 364     if ((byKeyDecMode == KEY_CTL_TKIP) &&
 365         (param->u.wpa_key.key_len != MAX_KEY_LEN)) {
 366         // TKIP Key must be 256 bits
 367         //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - TKIP Key must be 256 bits\n"));
 368         DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return- TKIP Key must be 256 bits!\n");
 369         return -EINVAL;
 370     }
 371     // Check AES key length
 372     if ((byKeyDecMode == KEY_CTL_CCMP) &&
 373         (param->u.wpa_key.key_len != AES_KEY_LEN)) {
 374         // AES Key must be 128 bits
 375         //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - AES Key must be 128 bits\n"));
 376         return -EINVAL;
 377     }
 378
 379    // spin_lock_irq(&pDevice->lock);
 380     if (IS_BROADCAST_ADDRESS(&param->addr[0]) || (param->addr == NULL)) {
 381         // If IS_BROADCAST_ADDRESS, set the key as every key entry's group key.
 382         DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Groupe Key Assign.\n");
 383
 384         if ((KeybSetAllGroupKey(&(pDevice->sKey),
 385                             dwKeyIndex,
 386                             param->u.wpa_key.key_len,
 387                             (PQWORD) &(KeyRSC),
 388                             (PBYTE)abyKey,
 389                             byKeyDecMode,
 390                             pDevice->PortOffset,
 391                             pDevice->byLocalID) == TRUE) &&
 392             (KeybSetDefaultKey(&(pDevice->sKey),
 393                             dwKeyIndex,
 394                             param->u.wpa_key.key_len,
 395                             (PQWORD) &(KeyRSC),
 396                             (PBYTE)abyKey,
 397                             byKeyDecMode,
 398                             pDevice->PortOffset,
 399                             pDevice->byLocalID) == TRUE) ) {
 400              DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "GROUP Key Assign.\n");
 401
 402         } else {
 403             //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA -KeybSetDefaultKey Fail.0\n"));
 404            // spin_unlock_irq(&pDevice->lock);
 405             return -EINVAL;
 406         }
 407
 408     } else {
 409         DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Assign.\n");
 410         // BSSID not 0xffffffffffff
 411         // Pairwise Key can't be WEP
 412         if (byKeyDecMode == KEY_CTL_WEP) {
 413             DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key can't be WEP\n");
 414             //spin_unlock_irq(&pDevice->lock);
 415             return -EINVAL;
 416         }
 417
 418         dwKeyIndex |= (1 << 30); // set pairwise key
 419         if (pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) {
 420             //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - WMAC_CONFIG_IBSS_STA\n"));
 421             //spin_unlock_irq(&pDevice->lock);
 422             return -EINVAL;
 423         }
 424         if (KeybSetKey(&(pDevice->sKey),
 425                        &param->addr[0],
 426                        dwKeyIndex,
 427                        param->u.wpa_key.key_len,
 428                        (PQWORD) &(KeyRSC),
 429                        (PBYTE)abyKey,
 430                         byKeyDecMode,
 431                         pDevice->PortOffset,
 432                         pDevice->byLocalID) == TRUE) {
 433             DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Set\n");
 434
 435         } else {
 436             // Key Table Full
 437             if (IS_ETH_ADDRESS_EQUAL(&param->addr[0], pDevice->abyBSSID)) {
 438                 //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA -Key Table Full.2\n"));
 439                 //spin_unlock_irq(&pDevice->lock);
 440                 return -EINVAL;
 441
 442             } else {
 443                 // Save Key and configure just before associate/reassociate to BSSID
 444                 // we do not implement now
 445                 //spin_unlock_irq(&pDevice->lock);
 446                 return -EINVAL;
 447             }
 448         }
 449     } // BSSID not 0xffffffffffff
 450     if ((ret == 0) && ((param->u.wpa_key.set_tx) != 0)) {
 451         pDevice->byKeyIndex = (BYTE)param->u.wpa_key.key_index;
 452         pDevice->bTransmitKey = TRUE;
 453     }
 454     pDevice->bEncryptionEnable = TRUE;
 455     //spin_unlock_irq(&pDevice->lock);
 456
 457 /*
 458     DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO " key=%x-%x-%x-%x-%x-xxxxx \n",
 459                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][0],
 460                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][1],
 461                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][2],
 462                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][3],
 463                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][4]
 464               );
 465 */
 466
 467         return ret;
 468
 469 }
 470
 471
 472 /*
 473  * Description:
 474  *      enable wpa auth & mode
 475  *
 476  * Parameters:
 477  *  In:
 478  *      pDevice   -
 479  *      param     -
 480  *  Out:
 481  *
 482  * Return Value:
 483  *
 484  */
 485
 486 static int wpa_set_wpa(PSDevice pDevice,
 487                                      struct viawget_wpa_param *param)
 488 {
 489
 490     PSMgmtObject    pMgmt = pDevice->pMgmt;
 491         int ret = 0;
 492
 493     pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
 494     pMgmt->bShareKeyAlgorithm = FALSE;
 495
 496     return ret;
 497 }
 498
 499
 500
 501
 502  /*
 503  * Description:
 504  *      set disassociate
 505  *
 506  * Parameters:
 507  *  In:
 508  *      pDevice   -
 509  *      param     -
 510  *  Out:
 511  *
 512  * Return Value:
 513  *
 514  */
 515
 516 static int wpa_set_disassociate(PSDevice pDevice,
 517                                      struct viawget_wpa_param *param)
 518 {
 519     PSMgmtObject    pMgmt = pDevice->pMgmt;
 520         int ret = 0;
 521
 522     spin_lock_irq(&pDevice->lock);
 523     if (pDevice->bLinkPass) {
 524         if (!memcmp(param->addr, pMgmt->abyCurrBSSID, 6))
 525             bScheduleCommand((HANDLE)pDevice, WLAN_CMD_DISASSOCIATE, NULL);
 526     }
 527     spin_unlock_irq(&pDevice->lock);
 528
 529     return ret;
 530 }
 531
 532
 533
 534 /*
 535  * Description:
 536  *      enable scan process
 537  *
 538  * Parameters:
 539  *  In:
 540  *      pDevice   -
 541  *      param     -
 542  *  Out:
 543  *
 544  * Return Value:
 545  *
 546  */
 547
 548 static int wpa_set_scan(PSDevice pDevice,
 549                                      struct viawget_wpa_param *param)
 550 {
 551         int ret = 0;
 552
 553     spin_lock_irq(&pDevice->lock);
 554     BSSvClearBSSList((HANDLE)pDevice, pDevice->bLinkPass);
 555     bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
 556     spin_unlock_irq(&pDevice->lock);
 557
 558     return ret;
 559 }
 560
 561
 562
 563 /*
 564  * Description:
 565  *      get bssid
 566  *
 567  * Parameters:
 568  *  In:
 569  *      pDevice   -
 570  *      param     -
 571  *  Out:
 572  *
 573  * Return Value:
 574  *
 575  */
 576
 577 static int wpa_get_bssid(PSDevice pDevice,
 578                                      struct viawget_wpa_param *param)
 579 {
 580     PSMgmtObject        pMgmt = pDevice->pMgmt;
 581         int ret = 0;
 582
 583         memcpy(param->u.wpa_associate.bssid, pMgmt->abyCurrBSSID , 6);
 584
 585     return ret;
 586
 587 }
 588
 589
 590 /*
 591  * Description:
 592  *      get bssid
 593  *
 594  * Parameters:
 595  *  In:
 596  *      pDevice   -
 597  *      param     -
 598  *  Out:
 599  *
 600  * Return Value:
 601  *
 602  */
 603
 604 static int wpa_get_ssid(PSDevice pDevice,
 605                                      struct viawget_wpa_param *param)
 606 {
 607     PSMgmtObject        pMgmt = pDevice->pMgmt;
 608         PWLAN_IE_SSID       pItemSSID;
 609         int ret = 0;
 610
 611     pItemSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
 612
 613         memcpy(param->u.wpa_associate.ssid, pItemSSID->abySSID , pItemSSID->len);
 614         param->u.wpa_associate.ssid_len = pItemSSID->len;
 615
 616     return ret;
 617 }
 618
 619
 620
 621 /*
 622  * Description:
 623  *      get scan results
 624  *
 625  * Parameters:
 626  *  In:
 627  *      pDevice   -
 628  *      param     -
 629  *  Out:
 630  *
 631  * Return Value:
 632  *
 633  */
 634
 635 static int wpa_get_scan(PSDevice pDevice,
 636                                      struct viawget_wpa_param *param)
 637 {
 638         struct viawget_scan_result *scan_buf;
 639     PSMgmtObject    pMgmt = pDevice->pMgmt;
 640     PWLAN_IE_SSID   pItemSSID;
 641     PKnownBSS pBSS;
 642         PBYTE  pBuf;
 643         int ret = 0;
 644         u16 count = 0;
 645         u16 ii, jj;
 646 #if 1
 647
 648     PBYTE ptempBSS;
 649
 650
 651
 652     ptempBSS = kmalloc(sizeof(KnownBSS), (int)GFP_ATOMIC);
 653
 654     if (ptempBSS == NULL) {
 655
 656        printk("bubble sort kmalloc memory fail@@@\n");
 657
 658         ret = -ENOMEM;
 659
 660         return ret;
 661
 662     }
 663
 664     for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 665
 666          for(jj=0;jj<MAX_BSS_NUM-ii-1;jj++) {
 667
 668            if((pMgmt->sBSSList[jj].bActive!=TRUE) ||
 669
 670                 ((pMgmt->sBSSList[jj].uRSSI>pMgmt->sBSSList[jj+1].uRSSI) &&(pMgmt->sBSSList[jj+1].bActive!=FALSE))) {
 671
 672                  memcpy(ptempBSS,&pMgmt->sBSSList[jj],sizeof(KnownBSS));
 673
 674                  memcpy(&pMgmt->sBSSList[jj],&pMgmt->sBSSList[jj+1],sizeof(KnownBSS));
 675
 676                  memcpy(&pMgmt->sBSSList[jj+1],ptempBSS,sizeof(KnownBSS));
 677
 678               }
 679
 680          }
 681
 682     };
 683
 684   kfree(ptempBSS);
 685
 686  // printk("bubble sort result:\n");
 687
 688   //for (ii = 0; ii < MAX_BSS_NUM; ii++)
 689
 690   //    printk("%d [%s]:RSSI=%d\n",ii,((PWLAN_IE_SSID)(pMgmt->sBSSList[ii].abySSID))->abySSID,
 691
 692   //                                                                 pMgmt->sBSSList[ii].uRSSI);
 693
 694  #endif
 695
 696 //******mike:bubble sort by stronger RSSI*****//
 697
 698
 699
 700
 701         count = 0;
 702         pBSS = &(pMgmt->sBSSList[0]);
 703     for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 704         pBSS = &(pMgmt->sBSSList[ii]);
 705         if (!pBSS->bActive)
 706             continue;
 707         count++;
 708     };
 709
 710     pBuf = kmalloc(sizeof(struct viawget_scan_result) * count, (int)GFP_ATOMIC);
 711
 712     if (pBuf == NULL) {
 713         ret = -ENOMEM;
 714         return ret;
 715     }
 716         memset(pBuf, 0, sizeof(struct viawget_scan_result) * count);
 717     scan_buf = (struct viawget_scan_result *)pBuf;
 718         pBSS = &(pMgmt->sBSSList[0]);
 719     for (ii = 0, jj = 0; ii < MAX_BSS_NUM ; ii++) {
 720         pBSS = &(pMgmt->sBSSList[ii]);
 721         if (pBSS->bActive) {
 722             if (jj >= count)
 723                 break;
 724             memcpy(scan_buf->bssid, pBSS->abyBSSID, WLAN_BSSID_LEN);
 725             pItemSSID = (PWLAN_IE_SSID)pBSS->abySSID;
 726                     memcpy(scan_buf->ssid, pItemSSID->abySSID, pItemSSID->len);
 727                     scan_buf->ssid_len = pItemSSID->len;
 728             scan_buf->freq = frequency_list[pBSS->uChannel-1];
 729           scan_buf->caps = pBSS->wCapInfo;
 730             //scan_buf->caps = pBSS->wCapInfo;
 731             //scan_buf->qual =
 732             //scan_buf->noise =
 733             //scan_buf->level =
 734             //scan_buf->maxrate =
 735             if (pBSS->wWPALen != 0) {
 736                 scan_buf->wpa_ie_len = pBSS->wWPALen;
 737                 memcpy(scan_buf->wpa_ie, pBSS->byWPAIE, pBSS->wWPALen);
 738             }
 739             if (pBSS->wRSNLen != 0) {
 740                 scan_buf->rsn_ie_len = pBSS->wRSNLen;
 741                 memcpy(scan_buf->rsn_ie, pBSS->byRSNIE, pBSS->wRSNLen);
 742             }
 743             scan_buf = (struct viawget_scan_result *)((PBYTE)scan_buf + sizeof(struct viawget_scan_result));
 744             jj ++;
 745         }
 746     }
 747
 748     if (jj < count)
 749         count = jj;
 750
 751     if (copy_to_user(param->u.scan_results.buf, pBuf, sizeof(struct viawget_scan_result) * count)) {
 752                 ret = -EFAULT;
 753         };
 754         param->u.scan_results.scan_count = count;
 755     DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO " param->u.scan_results.scan_count = %d\n", count)
 756
 757     kfree(pBuf);
 758     return ret;
 759 }
 760
 761
 762
 763 /*
 764  * Description:
 765  *      set associate with AP
 766  *
 767  * Parameters:
 768  *  In:
 769  *      pDevice   -
 770  *      param     -
 771  *  Out:
 772  *
 773  * Return Value:
 774  *
 775  */
 776
 777 static int wpa_set_associate(PSDevice pDevice,
 778                                      struct viawget_wpa_param *param)
 779 {
 780     PSMgmtObject    pMgmt = pDevice->pMgmt;
 781     PWLAN_IE_SSID   pItemSSID;
 782     BYTE    abyNullAddr[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 783     BYTE    abyWPAIE[64];
 784     int ret = 0;
 785     BOOL bWepEnabled=FALSE;
 786
 787         // set key type & algorithm
 788     DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pairwise_suite = %d\n", param->u.wpa_associate.pairwise_suite);
 789     DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "group_suite = %d\n", param->u.wpa_associate.group_suite);
 790     DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "key_mgmt_suite = %d\n", param->u.wpa_associate.key_mgmt_suite);
 791     DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "auth_alg = %d\n", param->u.wpa_associate.auth_alg);
 792     DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "mode = %d\n", param->u.wpa_associate.mode);
 793     DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_ie_len = %d\n", param->u.wpa_associate.wpa_ie_len);
 794
 795
 796         if (param->u.wpa_associate.wpa_ie &&
 797             copy_from_user(&abyWPAIE[0], param->u.wpa_associate.wpa_ie, param->u.wpa_associate.wpa_ie_len))
 798             return -EINVAL;
 799
 800         if (param->u.wpa_associate.mode == 1)
 801             pMgmt->eConfigMode = WMAC_CONFIG_IBSS_STA;
 802         else
 803             pMgmt->eConfigMode = WMAC_CONFIG_ESS_STA;
 804     // set ssid
 805         memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
 806     pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
 807     pItemSSID->byElementID = WLAN_EID_SSID;
 808         pItemSSID->len = param->u.wpa_associate.ssid_len;
 809         memcpy(pItemSSID->abySSID, param->u.wpa_associate.ssid, pItemSSID->len);
 810         // set bssid
 811     if (memcmp(param->u.wpa_associate.bssid, &abyNullAddr[0], 6) != 0)
 812         memcpy(pMgmt->abyDesireBSSID, param->u.wpa_associate.bssid, 6);
 813 else
 814 {
 815    bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pItemSSID->abySSID);
 816 }
 817
 818     if (param->u.wpa_associate.wpa_ie_len == 0) {
 819             if (param->u.wpa_associate.auth_alg & AUTH_ALG_SHARED_KEY)
 820             pMgmt->eAuthenMode = WMAC_AUTH_SHAREKEY;
 821             else
 822             pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
 823         } else if (abyWPAIE[0] == RSN_INFO_ELEM) {
 824                 if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_PSK)
 825                         pMgmt->eAuthenMode = WMAC_AUTH_WPA2PSK;
 826                 else
 827                         pMgmt->eAuthenMode = WMAC_AUTH_WPA2;
 828         } else {
 829                 if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_WPA_NONE)
 830                         pMgmt->eAuthenMode = WMAC_AUTH_WPANONE;
 831                 else if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_PSK)
 832                     pMgmt->eAuthenMode = WMAC_AUTH_WPAPSK;
 833                 else
 834                     pMgmt->eAuthenMode = WMAC_AUTH_WPA;
 835         }
 836
 837         switch (param->u.wpa_associate.pairwise_suite) {
 838         case CIPHER_CCMP:
 839                 pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
 840                 break;
 841         case CIPHER_TKIP:
 842                 pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
 843                 break;
 844         case CIPHER_WEP40:
 845         case CIPHER_WEP104:
 846                 pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
 847                 bWepEnabled=TRUE;
 848                 break;
 849         case CIPHER_NONE:
 850                 if (param->u.wpa_associate.group_suite == CIPHER_CCMP)
 851                         pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
 852                 else
 853                         pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
 854                 break;
 855         default:
 856                 pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
 857         };
 858
 859 //DavidWang add for WPA_supplicant support open/share mode
 860
 861       if (pMgmt->eAuthenMode == WMAC_AUTH_SHAREKEY) {
 862             pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
 863             //pMgmt->eAuthenMode = WMAC_AUTH_SHAREKEY;
 864             pMgmt->bShareKeyAlgorithm = TRUE;
 865              }
 866      else if (pMgmt->eAuthenMode == WMAC_AUTH_OPEN) {
 867           if(!bWepEnabled)  pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
 868         else pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
 869             //pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
 870             //pMgmt->bShareKeyAlgorithm = FALSE; //20080717-06,<Modify> by chester//Fix Open mode, WEP encrytion
 871            }
 872 //mike save old encryption status
 873         pDevice->eOldEncryptionStatus = pDevice->eEncryptionStatus;
 874
 875     if (pDevice->eEncryptionStatus !=  Ndis802_11EncryptionDisabled)
 876         pDevice->bEncryptionEnable = TRUE;
 877     else
 878         pDevice->bEncryptionEnable = FALSE;
 879 if (!((pMgmt->eAuthenMode == WMAC_AUTH_SHAREKEY) ||
 880       ((pMgmt->eAuthenMode == WMAC_AUTH_OPEN) && (bWepEnabled==TRUE))) )  //DavidWang  //20080717-06,<Modify> by chester//Not to initial WEP
 881     KeyvInitTable(&pDevice->sKey, pDevice->PortOffset);
 882     spin_lock_irq(&pDevice->lock);
 883     pDevice->bLinkPass = FALSE;
 884     memset(pMgmt->abyCurrBSSID, 0, 6);
 885     pMgmt->eCurrState = WMAC_STATE_IDLE;
 886     netif_stop_queue(pDevice->dev);
 887         //20080701-02,<Add> by Mike Liu
 888 /*******search if ap_scan=2 ,which is associating request in hidden ssid mode ****/
 889 {
 890    PKnownBSS       pCurr = NULL;
 891     pCurr = BSSpSearchBSSList(pDevice,
 892                               pMgmt->abyDesireBSSID,
 893                               pMgmt->abyDesireSSID,
 894                               pMgmt->eConfigPHYMode
 895                               );
 896
 897     if (pCurr == NULL){
 898     printk("wpa_set_associate---->hidden mode site survey before associate.......\n");
 899     bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
 900   };
 901 }
 902 /****************************************************************/
 903     bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, NULL);
 904     spin_unlock_irq(&pDevice->lock);
 905
 906     return ret;
 907 }
 908
 909
 910 /*
 911  * Description:
 912  *      wpa_ioctl main function supported for wpa supplicant
 913  *
 914  * Parameters:
 915  *  In:
 916  *      pDevice   -
 917  *      iw_point  -
 918  *  Out:
 919  *
 920  * Return Value:
 921  *
 922  */
 923
 924 int wpa_ioctl(PSDevice pDevice, struct iw_point *p)
 925 {
 926         struct viawget_wpa_param *param;
 927         int ret = 0;
 928         int wpa_ioctl = 0;
 929
 930         if (p->length < sizeof(struct viawget_wpa_param) ||
 931             p->length > VIAWGET_WPA_MAX_BUF_SIZE || !p->pointer)
 932                 return -EINVAL;
 933
 934         param = (struct viawget_wpa_param *) kmalloc((int)p->length, (int)GFP_KERNEL);
 935         if (param == NULL)
 936                 return -ENOMEM;
 937
 938         if (copy_from_user(param, p->pointer, p->length)) {
 939                 ret = -EFAULT;
 940                 goto out;
 941         }
 942
 943         switch (param->cmd) {
 944         case VIAWGET_SET_WPA:
 945         ret = wpa_set_wpa(pDevice, param);
 946             DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_WPA \n");
 947                 break;
 948
 949         case VIAWGET_SET_KEY:
 950             DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_KEY \n");
 951             spin_lock_irq(&pDevice->lock);
 952         ret = wpa_set_keys(pDevice, param, FALSE);
 953         spin_unlock_irq(&pDevice->lock);
 954                 break;
 955
 956         case VIAWGET_SET_SCAN:
 957             DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_SCAN \n");
 958         ret = wpa_set_scan(pDevice, param);
 959                 break;
 960
 961         case VIAWGET_GET_SCAN:
 962             DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_SCAN\n");
 963         ret = wpa_get_scan(pDevice, param);
 964                 wpa_ioctl = 1;
 965                 break;
 966
 967         case VIAWGET_GET_SSID:
 968             DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_SSID \n");
 969         ret = wpa_get_ssid(pDevice, param);
 970                 wpa_ioctl = 1;
 971                 break;
 972
 973         case VIAWGET_GET_BSSID:
 974             DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_BSSID \n");
 975         ret = wpa_get_bssid(pDevice, param);
 976                 wpa_ioctl = 1;
 977                 break;
 978
 979         case VIAWGET_SET_ASSOCIATE:
 980             DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_ASSOCIATE \n");
 981         ret = wpa_set_associate(pDevice, param);
 982                 break;
 983
 984         case VIAWGET_SET_DISASSOCIATE:
 985             DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DISASSOCIATE \n");
 986         ret = wpa_set_disassociate(pDevice, param);
 987                 break;
 988
 989         case VIAWGET_SET_DROP_UNENCRYPT:
 990             DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DROP_UNENCRYPT \n");
 991                 break;
 992
 993     case VIAWGET_SET_DEAUTHENTICATE:
 994             DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DEAUTHENTICATE \n");
 995                 break;
 996
 997         default:
 998             DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_ioctl: unknown cmd=%d\n",
 999                        param->cmd);
1000                 return -EOPNOTSUPP;
1001                 break;
1002         }
1003
1004         if ((ret == 0) && wpa_ioctl) {
1005                 if (copy_to_user(p->pointer, param, p->length)) {
1006                         ret = -EFAULT;
1007                         goto out;
1008                 }
1009         }
1010
1011 out:
1012         if (param != NULL)
1013                 kfree(param);
1014
1015         return ret;
1016 }
1017