drivers/staging/vt6655/hostap.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: hostap.c
  20  *
  21  * Purpose: handle hostap deamon 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 #include "hostap.h"
  34 #include "iocmd.h"
  35 #include "mac.h"
  36 #include "card.h"
  37 #include "baseband.h"
  38 #include "wpactl.h"
  39 #include "key.h"
  40
  41 #define VIAWGET_HOSTAPD_MAX_BUF_SIZE 1024
  42 #define HOSTAP_CRYPT_FLAG_SET_TX_KEY BIT0
  43 #define HOSTAP_CRYPT_ERR_UNKNOWN_ADDR 3
  44 #define HOSTAP_CRYPT_ERR_KEY_SET_FAILED 5
  45
  46 /*---------------------  Static Definitions -------------------------*/
  47
  48 /*---------------------  Static Classes  ----------------------------*/
  49
  50 /*---------------------  Static Variables  --------------------------*/
  51 //static int          msglevel                =MSG_LEVEL_DEBUG;
  52 static int msglevel = MSG_LEVEL_INFO;
  53
  54 /*---------------------  Static Functions  --------------------------*/
  55
  56
  57
  58
  59 /*---------------------  Export Variables  --------------------------*/
  60
  61
  62 /*
  63  * Description:
  64  *      register net_device (AP) for hostap deamon
  65  *
  66  * Parameters:
  67  *  In:
  68  *      pDevice             -
  69  *      rtnl_locked         -
  70  *  Out:
  71  *
  72  * Return Value:
  73  *
  74  */
  75
  76 static int hostap_enable_hostapd(PSDevice pDevice, int rtnl_locked)
  77 {
  78         PSDevice apdev_priv;
  79         struct net_device *dev = pDevice->dev;
  80         int ret;
  81         const struct net_device_ops apdev_netdev_ops = {
  82                 .ndo_start_xmit         = pDevice->tx_80211,
  83         };
  84
  85         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Enabling hostapd mode\n", dev->name);
  86
  87         pDevice->apdev = kzalloc(sizeof(struct net_device), GFP_KERNEL);
  88         if (pDevice->apdev == NULL)
  89                 return -ENOMEM;
  90
  91         apdev_priv = netdev_priv(pDevice->apdev);
  92         *apdev_priv = *pDevice;
  93         memcpy(pDevice->apdev->dev_addr, dev->dev_addr, ETH_ALEN);
  94
  95         pDevice->apdev->netdev_ops = &apdev_netdev_ops;
  96
  97         pDevice->apdev->type = ARPHRD_IEEE80211;
  98
  99         pDevice->apdev->base_addr = dev->base_addr;
 100         pDevice->apdev->irq = dev->irq;
 101         pDevice->apdev->mem_start = dev->mem_start;
 102         pDevice->apdev->mem_end = dev->mem_end;
 103         sprintf(pDevice->apdev->name, "%sap", dev->name);
 104         if (rtnl_locked)
 105                 ret = register_netdevice(pDevice->apdev);
 106         else
 107                 ret = register_netdev(pDevice->apdev);
 108         if (ret) {
 109                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: register_netdevice(AP) failed!\n",
 110                         dev->name);
 111                 return -1;
 112         }
 113
 114         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Registered netdevice %s for AP management\n",
 115                 dev->name, pDevice->apdev->name);
 116
 117         KeyvInitTable(&pDevice->sKey, pDevice->PortOffset);
 118
 119         return 0;
 120 }
 121
 122 /*
 123  * Description:
 124  *      unregister net_device(AP)
 125  *
 126  * Parameters:
 127  *  In:
 128  *      pDevice             -
 129  *      rtnl_locked         -
 130  *  Out:
 131  *
 132  * Return Value:
 133  *
 134  */
 135
 136 static int hostap_disable_hostapd(PSDevice pDevice, int rtnl_locked)
 137 {
 138
 139         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: disabling hostapd mode\n", pDevice->dev->name);
 140
 141         if (pDevice->apdev && pDevice->apdev->name && pDevice->apdev->name[0]) {
 142                 if (rtnl_locked)
 143                         unregister_netdevice(pDevice->apdev);
 144                 else
 145                         unregister_netdev(pDevice->apdev);
 146                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Netdevice %s unregistered\n",
 147                         pDevice->dev->name, pDevice->apdev->name);
 148         }
 149         kfree(pDevice->apdev);
 150         pDevice->apdev = NULL;
 151         pDevice->bEnable8021x = false;
 152         pDevice->bEnableHostWEP = false;
 153         pDevice->bEncryptionEnable = false;
 154
 155 //4.2007-0118-03,<Add> by EinsnLiu
 156 //execute some clear work
 157         pDevice->pMgmt->byCSSPK = KEY_CTL_NONE;
 158         pDevice->pMgmt->byCSSGK = KEY_CTL_NONE;
 159         KeyvInitTable(&pDevice->sKey, pDevice->PortOffset);
 160
 161         return 0;
 162 }
 163
 164
 165 /*
 166  * Description:
 167  *      Set enable/disable hostapd mode
 168  *
 169  * Parameters:
 170  *  In:
 171  *      pDevice             -
 172  *      rtnl_locked         -
 173  *  Out:
 174  *
 175  * Return Value:
 176  *
 177  */
 178
 179 int vt6655_hostap_set_hostapd(PSDevice pDevice, int val, int rtnl_locked)
 180 {
 181         if (val < 0 || val > 1)
 182                 return -EINVAL;
 183
 184         if (pDevice->bEnableHostapd == val)
 185                 return 0;
 186
 187         pDevice->bEnableHostapd = val;
 188
 189         if (val)
 190                 return hostap_enable_hostapd(pDevice, rtnl_locked);
 191         else
 192                 return hostap_disable_hostapd(pDevice, rtnl_locked);
 193 }
 194
 195
 196 /*
 197  * Description:
 198  *      remove station function supported for hostap deamon
 199  *
 200  * Parameters:
 201  *  In:
 202  *      pDevice   -
 203  *      param     -
 204  *  Out:
 205  *
 206  * Return Value:
 207  *
 208  */
 209 static int hostap_remove_sta(PSDevice pDevice,
 210                              struct viawget_hostapd_param *param)
 211 {
 212         unsigned int uNodeIndex;
 213
 214
 215         if (BSSDBbIsSTAInNodeDB(pDevice->pMgmt, param->sta_addr, &uNodeIndex)) {
 216                 BSSvRemoveOneNode(pDevice, uNodeIndex);
 217         }
 218         else {
 219                 return -ENOENT;
 220         }
 221         return 0;
 222 }
 223
 224 /*
 225  * Description:
 226  *      add a station from hostap deamon
 227  *
 228  * Parameters:
 229  *  In:
 230  *      pDevice   -
 231  *      param     -
 232  *  Out:
 233  *
 234  * Return Value:
 235  *
 236  */
 237 static int hostap_add_sta(PSDevice pDevice,
 238                           struct viawget_hostapd_param *param)
 239 {
 240         PSMgmtObject    pMgmt = pDevice->pMgmt;
 241         unsigned int uNodeIndex;
 242
 243
 244         if (!BSSDBbIsSTAInNodeDB(pMgmt, param->sta_addr, &uNodeIndex)) {
 245                 BSSvCreateOneNode((PSDevice)pDevice, &uNodeIndex);
 246         }
 247         memcpy(pMgmt->sNodeDBTable[uNodeIndex].abyMACAddr, param->sta_addr, WLAN_ADDR_LEN);
 248         pMgmt->sNodeDBTable[uNodeIndex].eNodeState = NODE_ASSOC;
 249         pMgmt->sNodeDBTable[uNodeIndex].wCapInfo = param->u.add_sta.capability;
 250 // TODO listenInterval
 251 //    pMgmt->sNodeDBTable[uNodeIndex].wListenInterval = 1;
 252         pMgmt->sNodeDBTable[uNodeIndex].bPSEnable = false;
 253         pMgmt->sNodeDBTable[uNodeIndex].bySuppRate = param->u.add_sta.tx_supp_rates;
 254
 255         // set max tx rate
 256         pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate =
 257                 pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate;
 258         // set max basic rate
 259         pMgmt->sNodeDBTable[uNodeIndex].wMaxBasicRate = RATE_2M;
 260         // Todo: check sta preamble, if ap can't support, set status code
 261         pMgmt->sNodeDBTable[uNodeIndex].bShortPreamble =
 262                 WLAN_GET_CAP_INFO_SHORTPREAMBLE(pMgmt->sNodeDBTable[uNodeIndex].wCapInfo);
 263
 264         pMgmt->sNodeDBTable[uNodeIndex].wAID = (unsigned short)param->u.add_sta.aid;
 265
 266         pMgmt->sNodeDBTable[uNodeIndex].ulLastRxJiffer = jiffies;
 267
 268         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Add STA AID= %d \n", pMgmt->sNodeDBTable[uNodeIndex].wAID);
 269         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "MAC=%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X \n",
 270                 param->sta_addr[0],
 271                 param->sta_addr[1],
 272                 param->sta_addr[2],
 273                 param->sta_addr[3],
 274                 param->sta_addr[4],
 275                 param->sta_addr[5]
 276                 );
 277         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Max Support rate = %d \n",
 278                 pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate);
 279
 280         return 0;
 281 }
 282
 283 /*
 284  * Description:
 285  *      get station info
 286  *
 287  * Parameters:
 288  *  In:
 289  *      pDevice   -
 290  *      param     -
 291  *  Out:
 292  *
 293  * Return Value:
 294  *
 295  */
 296
 297 static int hostap_get_info_sta(PSDevice pDevice,
 298                                struct viawget_hostapd_param *param)
 299 {
 300         PSMgmtObject    pMgmt = pDevice->pMgmt;
 301         unsigned int uNodeIndex;
 302
 303         if (BSSDBbIsSTAInNodeDB(pMgmt, param->sta_addr, &uNodeIndex)) {
 304                 param->u.get_info_sta.inactive_sec =
 305                         (jiffies - pMgmt->sNodeDBTable[uNodeIndex].ulLastRxJiffer) / HZ;
 306
 307                 //param->u.get_info_sta.txexc = pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts;
 308         }
 309         else {
 310                 return -ENOENT;
 311         }
 312
 313         return 0;
 314 }
 315
 316 /*
 317  * Description:
 318  *      reset txexec
 319  *
 320  * Parameters:
 321  *  In:
 322  *      pDevice   -
 323  *      param     -
 324  *  Out:
 325  *      true, false
 326  *
 327  * Return Value:
 328  *
 329  */
 330 /*
 331   static int hostap_reset_txexc_sta(PSDevice pDevice,
 332   struct viawget_hostapd_param *param)
 333   {
 334   PSMgmtObject    pMgmt = pDevice->pMgmt;
 335   unsigned int uNodeIndex;
 336
 337   if (BSSDBbIsSTAInNodeDB(pMgmt, param->sta_addr, &uNodeIndex)) {
 338   pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts = 0;
 339   }
 340   else {
 341   return -ENOENT;
 342   }
 343
 344   return 0;
 345   }
 346 */
 347
 348 /*
 349  * Description:
 350  *      set station flag
 351  *
 352  * Parameters:
 353  *  In:
 354  *      pDevice   -
 355  *      param     -
 356  *  Out:
 357  *
 358  * Return Value:
 359  *
 360  */
 361 static int hostap_set_flags_sta(PSDevice pDevice,
 362                                 struct viawget_hostapd_param *param)
 363 {
 364         PSMgmtObject    pMgmt = pDevice->pMgmt;
 365         unsigned int uNodeIndex;
 366
 367         if (BSSDBbIsSTAInNodeDB(pMgmt, param->sta_addr, &uNodeIndex)) {
 368                 pMgmt->sNodeDBTable[uNodeIndex].dwFlags |= param->u.set_flags_sta.flags_or;
 369                 pMgmt->sNodeDBTable[uNodeIndex].dwFlags &= param->u.set_flags_sta.flags_and;
 370                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " dwFlags = %x \n",
 371                         (unsigned int)pMgmt->sNodeDBTable[uNodeIndex].dwFlags);
 372         }
 373         else {
 374                 return -ENOENT;
 375         }
 376
 377         return 0;
 378 }
 379
 380
 381
 382 /*
 383  * Description:
 384  *      set generic element (wpa ie)
 385  *
 386  * Parameters:
 387  *  In:
 388  *      pDevice   -
 389  *      param     -
 390  *  Out:
 391  *
 392  * Return Value:
 393  *
 394  */
 395 static int hostap_set_generic_element(PSDevice pDevice,
 396                                       struct viawget_hostapd_param *param)
 397 {
 398         PSMgmtObject    pMgmt = pDevice->pMgmt;
 399
 400
 401
 402         memcpy(pMgmt->abyWPAIE,
 403                param->u.generic_elem.data,
 404                param->u.generic_elem.len
 405                 );
 406
 407         pMgmt->wWPAIELen = param->u.generic_elem.len;
 408
 409         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pMgmt->wWPAIELen = %d\n", pMgmt->wWPAIELen);
 410
 411         // disable wpa
 412         if (pMgmt->wWPAIELen == 0) {
 413                 pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
 414                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " No WPAIE, Disable WPA \n");
 415         } else  {
 416                 // enable wpa
 417                 if ((pMgmt->abyWPAIE[0] == WLAN_EID_RSN_WPA) ||
 418                     (pMgmt->abyWPAIE[0] == WLAN_EID_RSN)) {
 419                         pMgmt->eAuthenMode = WMAC_AUTH_WPANONE;
 420                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Set WPAIE enable WPA\n");
 421                 } else
 422                         return -EINVAL;
 423         }
 424
 425         return 0;
 426 }
 427
 428 /*
 429  * Description:
 430  *      flush station nodes table.
 431  *
 432  * Parameters:
 433  *  In:
 434  *      pDevice   -
 435  *  Out:
 436  *
 437  * Return Value:
 438  *
 439  */
 440
 441 static void hostap_flush_sta(PSDevice pDevice)
 442 {
 443         // reserved node index =0 for multicast node.
 444         BSSvClearNodeDBTable(pDevice, 1);
 445         pDevice->uAssocCount = 0;
 446
 447         return;
 448 }
 449
 450 /*
 451  * Description:
 452  *      set each stations encryption key
 453  *
 454  * Parameters:
 455  *  In:
 456  *      pDevice   -
 457  *      param     -
 458  *  Out:
 459  *
 460  * Return Value:
 461  *
 462  */
 463 static int hostap_set_encryption(PSDevice pDevice,
 464                                  struct viawget_hostapd_param *param,
 465                                  int param_len)
 466 {
 467         PSMgmtObject    pMgmt = pDevice->pMgmt;
 468         unsigned long dwKeyIndex = 0;
 469         unsigned char abyKey[MAX_KEY_LEN];
 470         unsigned char abySeq[MAX_KEY_LEN];
 471         NDIS_802_11_KEY_RSC   KeyRSC;
 472         unsigned char byKeyDecMode = KEY_CTL_WEP;
 473         int     ret = 0;
 474         int     iNodeIndex = -1;
 475         int     ii;
 476         bool bKeyTableFull = false;
 477         unsigned short wKeyCtl = 0;
 478
 479
 480         param->u.crypt.err = 0;
 481 /*
 482   if (param_len !=
 483   (int) ((char *) param->u.crypt.key - (char *) param) +
 484   param->u.crypt.key_len)
 485   return -EINVAL;
 486 */
 487
 488         if (param->u.crypt.alg > WPA_ALG_CCMP)
 489                 return -EINVAL;
 490
 491
 492         if ((param->u.crypt.idx > 3) || (param->u.crypt.key_len > MAX_KEY_LEN)) {
 493                 param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
 494                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " HOSTAP_CRYPT_ERR_KEY_SET_FAILED\n");
 495                 return -EINVAL;
 496         }
 497
 498         if (is_broadcast_ether_addr(param->sta_addr)) {
 499                 if (param->u.crypt.idx >= MAX_GROUP_KEY)
 500                         return -EINVAL;
 501                 iNodeIndex = 0;
 502
 503         } else {
 504                 if (BSSDBbIsSTAInNodeDB(pMgmt, param->sta_addr, &iNodeIndex) == false) {
 505                         param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
 506                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " HOSTAP_CRYPT_ERR_UNKNOWN_ADDR\n");
 507                         return -EINVAL;
 508                 }
 509         }
 510         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " hostap_set_encryption: sta_index %d \n", iNodeIndex);
 511         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " hostap_set_encryption: alg %d \n", param->u.crypt.alg);
 512
 513         if (param->u.crypt.alg == WPA_ALG_NONE) {
 514
 515                 if (pMgmt->sNodeDBTable[iNodeIndex].bOnFly == true) {
 516                         if (KeybRemoveKey(&(pDevice->sKey),
 517                                           param->sta_addr,
 518                                           pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex,
 519                                           pDevice->PortOffset) == false) {
 520                                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "KeybRemoveKey fail \n");
 521                         }
 522                         pMgmt->sNodeDBTable[iNodeIndex].bOnFly = false;
 523                 }
 524                 pMgmt->sNodeDBTable[iNodeIndex].byKeyIndex = 0;
 525                 pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex = 0;
 526                 pMgmt->sNodeDBTable[iNodeIndex].uWepKeyLength = 0;
 527                 pMgmt->sNodeDBTable[iNodeIndex].KeyRSC = 0;
 528                 pMgmt->sNodeDBTable[iNodeIndex].dwTSC47_16 = 0;
 529                 pMgmt->sNodeDBTable[iNodeIndex].wTSC15_0 = 0;
 530                 pMgmt->sNodeDBTable[iNodeIndex].byCipherSuite = 0;
 531                 memset(&pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[0],
 532                        0,
 533                        MAX_KEY_LEN
 534 );
 535
 536                 return ret;
 537         }
 538
 539         memcpy(abyKey, param->u.crypt.key, param->u.crypt.key_len);
 540         // copy to node key tbl
 541         pMgmt->sNodeDBTable[iNodeIndex].byKeyIndex = param->u.crypt.idx;
 542         pMgmt->sNodeDBTable[iNodeIndex].uWepKeyLength = param->u.crypt.key_len;
 543         memcpy(&pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[0],
 544                param->u.crypt.key,
 545                param->u.crypt.key_len
 546 );
 547
 548         dwKeyIndex = (unsigned long)(param->u.crypt.idx);
 549         if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
 550                 pDevice->byKeyIndex = (unsigned char)dwKeyIndex;
 551                 pDevice->bTransmitKey = true;
 552                 dwKeyIndex |= (1 << 31);
 553         }
 554
 555         if (param->u.crypt.alg == WPA_ALG_WEP) {
 556
 557                 if ((pDevice->bEnable8021x == false) || (iNodeIndex == 0)) {
 558                         KeybSetDefaultKey(&(pDevice->sKey),
 559                                           dwKeyIndex & ~(BIT30 | USE_KEYRSC),
 560                                           param->u.crypt.key_len,
 561                                           NULL,
 562                                           abyKey,
 563                                           KEY_CTL_WEP,
 564                                           pDevice->PortOffset,
 565                                           pDevice->byLocalID);
 566
 567                 } else {
 568                         // 8021x enable, individual key
 569                         dwKeyIndex |= (1 << 30); // set pairwise key
 570                         if (KeybSetKey(&(pDevice->sKey),
 571                                        &param->sta_addr[0],
 572                                        dwKeyIndex & ~(USE_KEYRSC),
 573                                        param->u.crypt.key_len,
 574                                        (PQWORD) &(KeyRSC),
 575                                        (unsigned char *)abyKey,
 576                                        KEY_CTL_WEP,
 577                                        pDevice->PortOffset,
 578                                        pDevice->byLocalID) == true) {
 579
 580                                 pMgmt->sNodeDBTable[iNodeIndex].bOnFly = true;
 581
 582                         } else {
 583                                 // Key Table Full
 584                                 pMgmt->sNodeDBTable[iNodeIndex].bOnFly = false;
 585                                 bKeyTableFull = true;
 586                         }
 587                 }
 588                 pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
 589                 pDevice->bEncryptionEnable = true;
 590                 pMgmt->byCSSPK = KEY_CTL_WEP;
 591                 pMgmt->byCSSGK = KEY_CTL_WEP;
 592                 pMgmt->sNodeDBTable[iNodeIndex].byCipherSuite = KEY_CTL_WEP;
 593                 pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex = dwKeyIndex;
 594                 return ret;
 595         }
 596
 597         if (param->u.crypt.seq) {
 598                 memcpy(&abySeq, param->u.crypt.seq, 8);
 599                 for (ii = 0; ii < 8; ii++)
 600                         KeyRSC |= (unsigned long)abySeq[ii] << (ii * 8);
 601
 602                 dwKeyIndex |= 1 << 29;
 603                 pMgmt->sNodeDBTable[iNodeIndex].KeyRSC = KeyRSC;
 604         }
 605
 606         if (param->u.crypt.alg == WPA_ALG_TKIP) {
 607                 if (param->u.crypt.key_len != MAX_KEY_LEN)
 608                         return -EINVAL;
 609                 pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
 610                 byKeyDecMode = KEY_CTL_TKIP;
 611                 pMgmt->byCSSPK = KEY_CTL_TKIP;
 612                 pMgmt->byCSSGK = KEY_CTL_TKIP;
 613         }
 614
 615         if (param->u.crypt.alg == WPA_ALG_CCMP) {
 616                 if ((param->u.crypt.key_len != AES_KEY_LEN) ||
 617                     (pDevice->byLocalID <= REV_ID_VT3253_A1))
 618                         return -EINVAL;
 619                 pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
 620                 byKeyDecMode = KEY_CTL_CCMP;
 621                 pMgmt->byCSSPK = KEY_CTL_CCMP;
 622                 pMgmt->byCSSGK = KEY_CTL_CCMP;
 623         }
 624
 625
 626         if (iNodeIndex == 0) {
 627                 KeybSetDefaultKey(&(pDevice->sKey),
 628                                   dwKeyIndex,
 629                                   param->u.crypt.key_len,
 630                                   (PQWORD) &(KeyRSC),
 631                                   abyKey,
 632                                   byKeyDecMode,
 633                                   pDevice->PortOffset,
 634                                   pDevice->byLocalID);
 635                 pMgmt->sNodeDBTable[iNodeIndex].bOnFly = true;
 636
 637         } else {
 638                 dwKeyIndex |= (1 << 30); // set pairwise key
 639                 if (KeybSetKey(&(pDevice->sKey),
 640                                &param->sta_addr[0],
 641                                dwKeyIndex,
 642                                param->u.crypt.key_len,
 643                                (PQWORD) &(KeyRSC),
 644                                (unsigned char *)abyKey,
 645                                byKeyDecMode,
 646                                pDevice->PortOffset,
 647                                pDevice->byLocalID) == true) {
 648
 649                         pMgmt->sNodeDBTable[iNodeIndex].bOnFly = true;
 650
 651                 } else {
 652                         // Key Table Full
 653                         pMgmt->sNodeDBTable[iNodeIndex].bOnFly = false;
 654                         bKeyTableFull = true;
 655                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " Key Table Full\n");
 656                 }
 657
 658         }
 659
 660         if (bKeyTableFull == true) {
 661                 wKeyCtl &= 0x7F00;              // clear all key control filed
 662                 wKeyCtl |= (byKeyDecMode << 4);
 663                 wKeyCtl |= (byKeyDecMode);
 664                 wKeyCtl |= 0x0044;              // use group key for all address
 665                 wKeyCtl |= 0x4000;              // disable KeyTable[MAX_KEY_TABLE-1] on-fly to genernate rx int
 666                 MACvSetDefaultKeyCtl(pDevice->PortOffset, wKeyCtl, MAX_KEY_TABLE-1, pDevice->byLocalID);
 667         }
 668
 669         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " Set key sta_index= %d \n", iNodeIndex);
 670         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " tx_index=%d len=%d \n", param->u.crypt.idx,
 671                 param->u.crypt.key_len);
 672         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " key=%x-%x-%x-%x-%x-xxxxx \n",
 673                 pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[0],
 674                 pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[1],
 675                 pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[2],
 676                 pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[3],
 677                 pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[4]
 678 );
 679
 680         // set wep key
 681         pDevice->bEncryptionEnable = true;
 682         pMgmt->sNodeDBTable[iNodeIndex].byCipherSuite = byKeyDecMode;
 683         pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex = dwKeyIndex;
 684         pMgmt->sNodeDBTable[iNodeIndex].dwTSC47_16 = 0;
 685         pMgmt->sNodeDBTable[iNodeIndex].wTSC15_0 = 0;
 686
 687         return ret;
 688 }
 689
 690
 691
 692 /*
 693  * Description:
 694  *      get each stations encryption key
 695  *
 696  * Parameters:
 697  *  In:
 698  *      pDevice   -
 699  *      param     -
 700  *  Out:
 701  *
 702  * Return Value:
 703  *
 704  */
 705 static int hostap_get_encryption(PSDevice pDevice,
 706                                  struct viawget_hostapd_param *param,
 707                                  int param_len)
 708 {
 709         PSMgmtObject    pMgmt = pDevice->pMgmt;
 710         int     ret = 0;
 711         int     ii;
 712         int     iNodeIndex = 0;
 713
 714
 715         param->u.crypt.err = 0;
 716
 717         if (is_broadcast_ether_addr(param->sta_addr)) {
 718                 iNodeIndex = 0;
 719         } else {
 720                 if (BSSDBbIsSTAInNodeDB(pMgmt, param->sta_addr, &iNodeIndex) == false) {
 721                         param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
 722                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "hostap_get_encryption: HOSTAP_CRYPT_ERR_UNKNOWN_ADDR\n");
 723                         return -EINVAL;
 724                 }
 725         }
 726         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "hostap_get_encryption: %d\n", iNodeIndex);
 727         memset(param->u.crypt.seq, 0, 8);
 728         for (ii = 0; ii < 8; ii++) {
 729                 param->u.crypt.seq[ii] = (unsigned char)pMgmt->sNodeDBTable[iNodeIndex].KeyRSC >> (ii * 8);
 730         }
 731
 732         return ret;
 733 }
 734
 735
 736 /*
 737  * Description:
 738  *      vt6655_hostap_ioctl main function supported for hostap deamon.
 739  *
 740  * Parameters:
 741  *  In:
 742  *      pDevice   -
 743  *      iw_point  -
 744  *  Out:
 745  *
 746  * Return Value:
 747  *
 748  */
 749
 750 int vt6655_hostap_ioctl(PSDevice pDevice, struct iw_point *p)
 751 {
 752         struct viawget_hostapd_param *param;
 753         int ret = 0;
 754         int ap_ioctl = 0;
 755
 756         if (p->length < sizeof(struct viawget_hostapd_param) ||
 757             p->length > VIAWGET_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
 758                 return -EINVAL;
 759
 760         param = kmalloc((int)p->length, (int)GFP_KERNEL);
 761         if (param == NULL)
 762                 return -ENOMEM;
 763
 764         if (copy_from_user(param, p->pointer, p->length)) {
 765                 ret = -EFAULT;
 766                 goto out;
 767         }
 768
 769         switch (param->cmd) {
 770         case VIAWGET_HOSTAPD_SET_ENCRYPTION:
 771                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_ENCRYPTION \n");
 772                 spin_lock_irq(&pDevice->lock);
 773                 ret = hostap_set_encryption(pDevice, param, p->length);
 774                 spin_unlock_irq(&pDevice->lock);
 775                 break;
 776         case VIAWGET_HOSTAPD_GET_ENCRYPTION:
 777                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_GET_ENCRYPTION \n");
 778                 spin_lock_irq(&pDevice->lock);
 779                 ret = hostap_get_encryption(pDevice, param, p->length);
 780                 spin_unlock_irq(&pDevice->lock);
 781                 break;
 782         case VIAWGET_HOSTAPD_SET_ASSOC_AP_ADDR:
 783                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_ASSOC_AP_ADDR \n");
 784                 return -EOPNOTSUPP;
 785                 break;
 786         case VIAWGET_HOSTAPD_FLUSH:
 787                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_FLUSH \n");
 788                 spin_lock_irq(&pDevice->lock);
 789                 hostap_flush_sta(pDevice);
 790                 spin_unlock_irq(&pDevice->lock);
 791                 break;
 792         case VIAWGET_HOSTAPD_ADD_STA:
 793                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_ADD_STA \n");
 794                 spin_lock_irq(&pDevice->lock);
 795                 ret = hostap_add_sta(pDevice, param);
 796                 spin_unlock_irq(&pDevice->lock);
 797                 break;
 798         case VIAWGET_HOSTAPD_REMOVE_STA:
 799                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_REMOVE_STA \n");
 800                 spin_lock_irq(&pDevice->lock);
 801                 ret = hostap_remove_sta(pDevice, param);
 802                 spin_unlock_irq(&pDevice->lock);
 803                 break;
 804         case VIAWGET_HOSTAPD_GET_INFO_STA:
 805                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_GET_INFO_STA \n");
 806                 ret = hostap_get_info_sta(pDevice, param);
 807                 ap_ioctl = 1;
 808                 break;
 809 /*
 810         case VIAWGET_HOSTAPD_RESET_TXEXC_STA:
 811                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_RESET_TXEXC_STA \n");
 812                 ret = hostap_reset_txexc_sta(pDevice, param);
 813                 break;
 814 */
 815         case VIAWGET_HOSTAPD_SET_FLAGS_STA:
 816                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_FLAGS_STA \n");
 817                 ret = hostap_set_flags_sta(pDevice, param);
 818                 break;
 819
 820         case VIAWGET_HOSTAPD_MLME:
 821                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_MLME \n");
 822                 return -EOPNOTSUPP;
 823
 824         case VIAWGET_HOSTAPD_SET_GENERIC_ELEMENT:
 825                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_GENERIC_ELEMENT \n");
 826                 ret = hostap_set_generic_element(pDevice, param);
 827                 break;
 828
 829         case VIAWGET_HOSTAPD_SCAN_REQ:
 830                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SCAN_REQ \n");
 831                 return -EOPNOTSUPP;
 832
 833         case VIAWGET_HOSTAPD_STA_CLEAR_STATS:
 834                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_STA_CLEAR_STATS \n");
 835                 return -EOPNOTSUPP;
 836
 837         default:
 838                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "vt6655_hostap_ioctl: unknown cmd=%d\n",
 839                         (int)param->cmd);
 840                 return -EOPNOTSUPP;
 841                 break;
 842         }
 843
 844
 845         if ((ret == 0) && ap_ioctl) {
 846                 if (copy_to_user(p->pointer, param, p->length)) {
 847                         ret = -EFAULT;
 848                         goto out;
 849                 }
 850         }
 851
 852 out:
 853         kfree(param);
 854
 855         return ret;
 856 }
 857