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