drivers/staging/vt6656/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 daemon 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 #include "datarate.h"
  41
  42 #define VIAWGET_HOSTAPD_MAX_BUF_SIZE 1024
  43 #define HOSTAP_CRYPT_FLAG_SET_TX_KEY BIT0
  44 #define HOSTAP_CRYPT_ERR_UNKNOWN_ADDR 3
  45 #define HOSTAP_CRYPT_ERR_KEY_SET_FAILED 5
  46
  47 static int          msglevel                =MSG_LEVEL_INFO;
  48
  49 /*
  50  * Description:
  51  *      register net_device (AP) for hostap daemon
  52  *
  53  * Parameters:
  54  *  In:
  55  *      pDevice             -
  56  *      rtnl_locked         -
  57  *  Out:
  58  *
  59  * Return Value:
  60  *
  61  */
  62
  63 static int hostap_enable_hostapd(PSDevice pDevice, int rtnl_locked)
  64 {
  65     PSDevice apdev_priv;
  66         struct net_device *dev = pDevice->dev;
  67         int ret;
  68         const struct net_device_ops apdev_netdev_ops = {
  69                 .ndo_start_xmit         = pDevice->tx_80211,
  70         };
  71
  72     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Enabling hostapd mode\n", dev->name);
  73
  74         pDevice->apdev = kzalloc(sizeof(struct net_device), GFP_KERNEL);
  75         if (pDevice->apdev == NULL)
  76                 return -ENOMEM;
  77
  78     apdev_priv = netdev_priv(pDevice->apdev);
  79     *apdev_priv = *pDevice;
  80         memcpy(pDevice->apdev->dev_addr, dev->dev_addr, ETH_ALEN);
  81
  82         pDevice->apdev->netdev_ops = &apdev_netdev_ops;
  83
  84         pDevice->apdev->type = ARPHRD_IEEE80211;
  85
  86         pDevice->apdev->base_addr = dev->base_addr;
  87         pDevice->apdev->irq = dev->irq;
  88         pDevice->apdev->mem_start = dev->mem_start;
  89         pDevice->apdev->mem_end = dev->mem_end;
  90         sprintf(pDevice->apdev->name, "%sap", dev->name);
  91         if (rtnl_locked)
  92                 ret = register_netdevice(pDevice->apdev);
  93         else
  94                 ret = register_netdev(pDevice->apdev);
  95         if (ret) {
  96                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: register_netdevice(AP) failed!\n",
  97                        dev->name);
  98                 return -1;
  99         }
 100
 101     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Registered netdevice %s for AP management\n",
 102                dev->name, pDevice->apdev->name);
 103
 104     KeyvInitTable(pDevice,&pDevice->sKey);
 105
 106         return 0;
 107 }
 108
 109 /*
 110  * Description:
 111  *      unregister net_device(AP)
 112  *
 113  * Parameters:
 114  *  In:
 115  *      pDevice             -
 116  *      rtnl_locked         -
 117  *  Out:
 118  *
 119  * Return Value:
 120  *
 121  */
 122
 123 static int hostap_disable_hostapd(PSDevice pDevice, int rtnl_locked)
 124 {
 125
 126     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: disabling hostapd mode\n", pDevice->dev->name);
 127
 128     if (pDevice->apdev && pDevice->apdev->name && pDevice->apdev->name[0]) {
 129                 if (rtnl_locked)
 130                         unregister_netdevice(pDevice->apdev);
 131                 else
 132                         unregister_netdev(pDevice->apdev);
 133             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Netdevice %s unregistered\n",
 134                        pDevice->dev->name, pDevice->apdev->name);
 135         }
 136         kfree(pDevice->apdev);
 137         pDevice->apdev = NULL;
 138     pDevice->bEnable8021x = FALSE;
 139     pDevice->bEnableHostWEP = FALSE;
 140     pDevice->bEncryptionEnable = FALSE;
 141
 142         return 0;
 143 }
 144
 145
 146 /*
 147  * Description:
 148  *      Set enable/disable hostapd mode
 149  *
 150  * Parameters:
 151  *  In:
 152  *      pDevice             -
 153  *      rtnl_locked         -
 154  *  Out:
 155  *
 156  * Return Value:
 157  *
 158  */
 159
 160 int vt6656_hostap_set_hostapd(PSDevice pDevice, int val, int rtnl_locked)
 161 {
 162         if (val < 0 || val > 1)
 163                 return -EINVAL;
 164
 165         if (pDevice->bEnableHostapd == val)
 166                 return 0;
 167
 168         pDevice->bEnableHostapd = val;
 169
 170         if (val)
 171                 return hostap_enable_hostapd(pDevice, rtnl_locked);
 172         else
 173                 return hostap_disable_hostapd(pDevice, rtnl_locked);
 174 }
 175
 176
 177 /*
 178  * Description:
 179  *      remove station function supported for hostap daemon
 180  *
 181  * Parameters:
 182  *  In:
 183  *      pDevice   -
 184  *      param     -
 185  *  Out:
 186  *
 187  * Return Value:
 188  *
 189  */
 190 static int hostap_remove_sta(PSDevice pDevice,
 191                                      struct viawget_hostapd_param *param)
 192 {
 193         unsigned int uNodeIndex;
 194
 195
 196     if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &uNodeIndex)) {
 197         BSSvRemoveOneNode(pDevice, uNodeIndex);
 198     }
 199     else {
 200         return -ENOENT;
 201     }
 202         return 0;
 203 }
 204
 205 /*
 206  * Description:
 207  *      add a station from hostap daemon
 208  *
 209  * Parameters:
 210  *  In:
 211  *      pDevice   -
 212  *      param     -
 213  *  Out:
 214  *
 215  * Return Value:
 216  *
 217  */
 218 static int hostap_add_sta(PSDevice pDevice,
 219                                   struct viawget_hostapd_param *param)
 220 {
 221     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 222         unsigned int uNodeIndex;
 223
 224
 225     if (!BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &uNodeIndex)) {
 226         BSSvCreateOneNode((PSDevice)pDevice, &uNodeIndex);
 227     }
 228     memcpy(pMgmt->sNodeDBTable[uNodeIndex].abyMACAddr, param->sta_addr, WLAN_ADDR_LEN);
 229     pMgmt->sNodeDBTable[uNodeIndex].eNodeState = NODE_ASSOC;
 230     pMgmt->sNodeDBTable[uNodeIndex].wCapInfo = param->u.add_sta.capability;
 231 // TODO listenInterval
 232 //    pMgmt->sNodeDBTable[uNodeIndex].wListenInterval = 1;
 233     pMgmt->sNodeDBTable[uNodeIndex].bPSEnable = FALSE;
 234     pMgmt->sNodeDBTable[uNodeIndex].bySuppRate = param->u.add_sta.tx_supp_rates;
 235
 236     // set max tx rate
 237     pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate =
 238            pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate;
 239     // set max basic rate
 240     pMgmt->sNodeDBTable[uNodeIndex].wMaxBasicRate = RATE_2M;
 241     // Todo: check sta preamble, if ap can't support, set status code
 242     pMgmt->sNodeDBTable[uNodeIndex].bShortPreamble =
 243             WLAN_GET_CAP_INFO_SHORTPREAMBLE(pMgmt->sNodeDBTable[uNodeIndex].wCapInfo);
 244
 245     pMgmt->sNodeDBTable[uNodeIndex].wAID = (WORD)param->u.add_sta.aid;
 246
 247     pMgmt->sNodeDBTable[uNodeIndex].ulLastRxJiffer = jiffies;
 248
 249     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Add STA AID= %d \n", pMgmt->sNodeDBTable[uNodeIndex].wAID);
 250     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "MAC=%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X \n",
 251                param->sta_addr[0],
 252                param->sta_addr[1],
 253                param->sta_addr[2],
 254                param->sta_addr[3],
 255                param->sta_addr[4],
 256                param->sta_addr[5]
 257               ) ;
 258     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Max Support rate = %d \n",
 259                pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate);
 260
 261         return 0;
 262 }
 263
 264 /*
 265  * Description:
 266  *      get station info
 267  *
 268  * Parameters:
 269  *  In:
 270  *      pDevice   -
 271  *      param     -
 272  *  Out:
 273  *
 274  * Return Value:
 275  *
 276  */
 277
 278 static int hostap_get_info_sta(PSDevice pDevice,
 279                                        struct viawget_hostapd_param *param)
 280 {
 281     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 282         unsigned int uNodeIndex;
 283
 284     if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &uNodeIndex)) {
 285             param->u.get_info_sta.inactive_sec =
 286                 (jiffies - pMgmt->sNodeDBTable[uNodeIndex].ulLastRxJiffer) / HZ;
 287
 288             //param->u.get_info_sta.txexc = pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts;
 289         }
 290         else {
 291             return -ENOENT;
 292         }
 293
 294         return 0;
 295 }
 296
 297
 298 /*
 299  * Description:
 300  *      set station flag
 301  *
 302  * Parameters:
 303  *  In:
 304  *      pDevice   -
 305  *      param     -
 306  *  Out:
 307  *
 308  * Return Value:
 309  *
 310  */
 311 static int hostap_set_flags_sta(PSDevice pDevice,
 312                                         struct viawget_hostapd_param *param)
 313 {
 314     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 315         unsigned int uNodeIndex;
 316
 317     if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &uNodeIndex)) {
 318                 pMgmt->sNodeDBTable[uNodeIndex].dwFlags |= param->u.set_flags_sta.flags_or;
 319                 pMgmt->sNodeDBTable[uNodeIndex].dwFlags &= param->u.set_flags_sta.flags_and;
 320                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " dwFlags = %x\n",
 321                         (unsigned int) pMgmt->sNodeDBTable[uNodeIndex].dwFlags);
 322         }
 323         else {
 324             return -ENOENT;
 325         }
 326
 327         return 0;
 328 }
 329
 330
 331
 332 /*
 333  * Description:
 334  *      set generic element (wpa ie)
 335  *
 336  * Parameters:
 337  *  In:
 338  *      pDevice   -
 339  *      param     -
 340  *  Out:
 341  *
 342  * Return Value:
 343  *
 344  */
 345 static int hostap_set_generic_element(PSDevice pDevice,
 346                                         struct viawget_hostapd_param *param)
 347 {
 348     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 349
 350
 351
 352     memcpy( pMgmt->abyWPAIE,
 353             param->u.generic_elem.data,
 354             param->u.generic_elem.len
 355            );
 356
 357     pMgmt->wWPAIELen =  param->u.generic_elem.len;
 358
 359     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pMgmt->wWPAIELen = %d\n",  pMgmt->wWPAIELen);
 360
 361     // disable wpa
 362     if (pMgmt->wWPAIELen == 0) {
 363         pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
 364                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " No WPAIE, Disable WPA \n");
 365     } else  {
 366         // enable wpa
 367         if ((pMgmt->abyWPAIE[0] == WLAN_EID_RSN_WPA) ||
 368              (pMgmt->abyWPAIE[0] == WLAN_EID_RSN)) {
 369               pMgmt->eAuthenMode = WMAC_AUTH_WPANONE;
 370                DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Set WPAIE enable WPA\n");
 371         } else
 372             return -EINVAL;
 373     }
 374
 375         return 0;
 376 }
 377
 378 /*
 379  * Description:
 380  *      flush station nodes table.
 381  *
 382  * Parameters:
 383  *  In:
 384  *      pDevice   -
 385  *  Out:
 386  *
 387  * Return Value:
 388  *
 389  */
 390
 391 static void hostap_flush_sta(PSDevice pDevice)
 392 {
 393     // reserved node index =0 for multicast node.
 394     BSSvClearNodeDBTable(pDevice, 1);
 395     pDevice->uAssocCount = 0;
 396
 397     return;
 398 }
 399
 400 /*
 401  * Description:
 402  *      set each stations encryption key
 403  *
 404  * Parameters:
 405  *  In:
 406  *      pDevice   -
 407  *      param     -
 408  *  Out:
 409  *
 410  * Return Value:
 411  *
 412  */
 413 static int hostap_set_encryption(PSDevice pDevice,
 414                                        struct viawget_hostapd_param *param,
 415                                        int param_len)
 416 {
 417     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 418     DWORD   dwKeyIndex = 0;
 419     BYTE    abyKey[MAX_KEY_LEN];
 420     BYTE    abySeq[MAX_KEY_LEN];
 421     NDIS_802_11_KEY_RSC   KeyRSC;
 422     BYTE    byKeyDecMode = KEY_CTL_WEP;
 423         int     ret = 0;
 424         int     iNodeIndex = -1;
 425         int     ii;
 426         BOOL    bKeyTableFull = FALSE;
 427         WORD    wKeyCtl = 0;
 428
 429
 430         param->u.crypt.err = 0;
 431
 432         if (param->u.crypt.alg > WPA_ALG_CCMP)
 433                 return -EINVAL;
 434
 435
 436         if ((param->u.crypt.idx > 3) || (param->u.crypt.key_len > MAX_KEY_LEN)) {
 437                 param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
 438                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " HOSTAP_CRYPT_ERR_KEY_SET_FAILED\n");
 439                 return -EINVAL;
 440         }
 441
 442         if (is_broadcast_ether_addr(param->sta_addr)) {
 443                 if (param->u.crypt.idx >= MAX_GROUP_KEY)
 444                         return -EINVAL;
 445         iNodeIndex = 0;
 446
 447         } else {
 448             if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &iNodeIndex) == FALSE) {
 449                 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
 450             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " HOSTAP_CRYPT_ERR_UNKNOWN_ADDR\n");
 451                 return -EINVAL;
 452             }
 453         }
 454     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " hostap_set_encryption: sta_index %d \n", iNodeIndex);
 455     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " hostap_set_encryption: alg %d \n", param->u.crypt.alg);
 456
 457         if (param->u.crypt.alg == WPA_ALG_NONE) {
 458
 459         if (pMgmt->sNodeDBTable[iNodeIndex].bOnFly == TRUE) {
 460             if (KeybRemoveKey( pDevice,
 461                                &(pDevice->sKey),
 462                                param->sta_addr,
 463                                pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex
 464                               ) == FALSE) {
 465                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "KeybRemoveKey fail \n");
 466             }
 467             pMgmt->sNodeDBTable[iNodeIndex].bOnFly = FALSE;
 468         }
 469         pMgmt->sNodeDBTable[iNodeIndex].byKeyIndex = 0;
 470         pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex = 0;
 471         pMgmt->sNodeDBTable[iNodeIndex].uWepKeyLength = 0;
 472         pMgmt->sNodeDBTable[iNodeIndex].KeyRSC = 0;
 473         pMgmt->sNodeDBTable[iNodeIndex].dwTSC47_16 = 0;
 474         pMgmt->sNodeDBTable[iNodeIndex].wTSC15_0 = 0;
 475         pMgmt->sNodeDBTable[iNodeIndex].byCipherSuite = 0;
 476         memset(&pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[0],
 477                 0,
 478                 MAX_KEY_LEN
 479                );
 480
 481         return ret;
 482         }
 483
 484     memcpy(abyKey, param->u.crypt.key, param->u.crypt.key_len);
 485     // copy to node key tbl
 486     pMgmt->sNodeDBTable[iNodeIndex].byKeyIndex = param->u.crypt.idx;
 487     pMgmt->sNodeDBTable[iNodeIndex].uWepKeyLength = param->u.crypt.key_len;
 488     memcpy(&pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[0],
 489             param->u.crypt.key,
 490             param->u.crypt.key_len
 491            );
 492
 493     dwKeyIndex = (DWORD)(param->u.crypt.idx);
 494     if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
 495         pDevice->byKeyIndex = (BYTE)dwKeyIndex;
 496         pDevice->bTransmitKey = TRUE;
 497         dwKeyIndex |= (1 << 31);
 498     }
 499
 500         if (param->u.crypt.alg == WPA_ALG_WEP) {
 501
 502         if ((pDevice->bEnable8021x == FALSE) || (iNodeIndex == 0)) {
 503             KeybSetDefaultKey(  pDevice,
 504                                 &(pDevice->sKey),
 505                                 dwKeyIndex & ~(BIT30 | USE_KEYRSC),
 506                                 param->u.crypt.key_len,
 507                                 NULL,
 508                                 abyKey,
 509                                 KEY_CTL_WEP
 510                              );
 511
 512         } else {
 513             // 8021x enable, individual key
 514             dwKeyIndex |= (1 << 30); // set pairwise key
 515             if (KeybSetKey(pDevice,
 516                            &(pDevice->sKey),
 517                            &param->sta_addr[0],
 518                            dwKeyIndex & ~(USE_KEYRSC),
 519                            param->u.crypt.key_len,
 520                            (PQWORD) &(KeyRSC),
 521                            (PBYTE)abyKey,
 522                             KEY_CTL_WEP
 523                            ) == TRUE) {
 524
 525
 526                 pMgmt->sNodeDBTable[iNodeIndex].bOnFly = TRUE;
 527
 528             } else {
 529                 // Key Table Full
 530                 pMgmt->sNodeDBTable[iNodeIndex].bOnFly = FALSE;
 531                 bKeyTableFull = TRUE;
 532             }
 533         }
 534         pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
 535         pDevice->bEncryptionEnable = TRUE;
 536         pMgmt->byCSSPK = KEY_CTL_WEP;
 537         pMgmt->byCSSGK = KEY_CTL_WEP;
 538         pMgmt->sNodeDBTable[iNodeIndex].byCipherSuite = KEY_CTL_WEP;
 539         pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex = dwKeyIndex;
 540         return ret;
 541         }
 542
 543         if (param->u.crypt.seq) {
 544             memcpy(&abySeq, param->u.crypt.seq, 8);
 545                 for (ii = 0 ; ii < 8 ; ii++)
 546                         KeyRSC |= (unsigned long)abySeq[ii] << (ii * 8);
 547
 548                 dwKeyIndex |= 1 << 29;
 549                 pMgmt->sNodeDBTable[iNodeIndex].KeyRSC = KeyRSC;
 550         }
 551
 552         if (param->u.crypt.alg == WPA_ALG_TKIP) {
 553             if (param->u.crypt.key_len != MAX_KEY_LEN)
 554                 return -EINVAL;
 555             pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
 556         byKeyDecMode = KEY_CTL_TKIP;
 557         pMgmt->byCSSPK = KEY_CTL_TKIP;
 558         pMgmt->byCSSGK = KEY_CTL_TKIP;
 559         }
 560
 561         if (param->u.crypt.alg == WPA_ALG_CCMP) {
 562             if ((param->u.crypt.key_len != AES_KEY_LEN) ||
 563                 (pDevice->byLocalID <= REV_ID_VT3253_A1))
 564                 return -EINVAL;
 565         pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
 566         byKeyDecMode = KEY_CTL_CCMP;
 567         pMgmt->byCSSPK = KEY_CTL_CCMP;
 568         pMgmt->byCSSGK = KEY_CTL_CCMP;
 569     }
 570
 571
 572     if (iNodeIndex == 0) {
 573        KeybSetDefaultKey(  pDevice,
 574                            &(pDevice->sKey),
 575                            dwKeyIndex,
 576                            param->u.crypt.key_len,
 577                            (PQWORD) &(KeyRSC),
 578                            abyKey,
 579                            byKeyDecMode
 580                           );
 581        pMgmt->sNodeDBTable[iNodeIndex].bOnFly = TRUE;
 582
 583     } else {
 584         dwKeyIndex |= (1 << 30); // set pairwise key
 585         if (KeybSetKey(pDevice,
 586                        &(pDevice->sKey),
 587                        &param->sta_addr[0],
 588                        dwKeyIndex,
 589                        param->u.crypt.key_len,
 590                        (PQWORD) &(KeyRSC),
 591                        (PBYTE)abyKey,
 592                         byKeyDecMode
 593                        ) == TRUE) {
 594
 595             pMgmt->sNodeDBTable[iNodeIndex].bOnFly = TRUE;
 596
 597         } else {
 598             // Key Table Full
 599             pMgmt->sNodeDBTable[iNodeIndex].bOnFly = FALSE;
 600             bKeyTableFull = TRUE;
 601             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " Key Table Full\n");
 602         }
 603
 604     }
 605
 606     if (bKeyTableFull == TRUE) {
 607         wKeyCtl &= 0x7F00;              // clear all key control filed
 608         wKeyCtl |= (byKeyDecMode << 4);
 609         wKeyCtl |= (byKeyDecMode);
 610         wKeyCtl |= 0x0044;              // use group key for all address
 611         wKeyCtl |= 0x4000;              // disable KeyTable[MAX_KEY_TABLE-1] on-fly to genernate rx int
 612 // Todo.. xxxxxx
 613         //MACvSetDefaultKeyCtl(pDevice->PortOffset, wKeyCtl, MAX_KEY_TABLE-1, pDevice->byLocalID);
 614     }
 615
 616     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " Set key sta_index= %d \n", iNodeIndex);
 617     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " tx_index=%d len=%d \n", param->u.crypt.idx,
 618                param->u.crypt.key_len );
 619     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " key=%x-%x-%x-%x-%x-xxxxx \n",
 620                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[0],
 621                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[1],
 622                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[2],
 623                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[3],
 624                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[4]
 625               );
 626
 627         // set wep key
 628     pDevice->bEncryptionEnable = TRUE;
 629     pMgmt->sNodeDBTable[iNodeIndex].byCipherSuite = byKeyDecMode;
 630     pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex = dwKeyIndex;
 631     pMgmt->sNodeDBTable[iNodeIndex].dwTSC47_16 = 0;
 632     pMgmt->sNodeDBTable[iNodeIndex].wTSC15_0 = 0;
 633
 634         return ret;
 635 }
 636
 637
 638
 639 /*
 640  * Description:
 641  *      get each stations encryption key
 642  *
 643  * Parameters:
 644  *  In:
 645  *      pDevice   -
 646  *      param     -
 647  *  Out:
 648  *
 649  * Return Value:
 650  *
 651  */
 652 static int hostap_get_encryption(PSDevice pDevice,
 653                                        struct viawget_hostapd_param *param,
 654                                        int param_len)
 655 {
 656     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 657         int     ret = 0;
 658         int     ii;
 659         int     iNodeIndex =0;
 660
 661
 662         param->u.crypt.err = 0;
 663
 664         if (is_broadcast_ether_addr(param->sta_addr)) {
 665         iNodeIndex = 0;
 666         } else {
 667             if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &iNodeIndex) == FALSE) {
 668                 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
 669             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "hostap_get_encryption: HOSTAP_CRYPT_ERR_UNKNOWN_ADDR\n");
 670                 return -EINVAL;
 671             }
 672         }
 673         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "hostap_get_encryption: %d\n", iNodeIndex);
 674     memset(param->u.crypt.seq, 0, 8);
 675     for (ii = 0 ; ii < 8 ; ii++) {
 676         param->u.crypt.seq[ii] = (BYTE)pMgmt->sNodeDBTable[iNodeIndex].KeyRSC >> (ii * 8);
 677     }
 678
 679         return ret;
 680 }
 681
 682
 683 /*
 684  * Description:
 685  *      vt6656_hostap_ioctl main function supported for hostap daemon.
 686  *
 687  * Parameters:
 688  *  In:
 689  *      pDevice   -
 690  *      iw_point  -
 691  *  Out:
 692  *
 693  * Return Value:
 694  *
 695  */
 696
 697 int vt6656_hostap_ioctl(PSDevice pDevice, struct iw_point *p)
 698 {
 699         struct viawget_hostapd_param *param;
 700         int ret = 0;
 701         int ap_ioctl = 0;
 702
 703         if (p->length < sizeof(struct viawget_hostapd_param) ||
 704             p->length > VIAWGET_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
 705                 return -EINVAL;
 706
 707         param = kmalloc((int)p->length, (int)GFP_KERNEL);
 708         if (param == NULL)
 709                 return -ENOMEM;
 710
 711         if (copy_from_user(param, p->pointer, p->length)) {
 712                 ret = -EFAULT;
 713                 goto out;
 714         }
 715
 716         switch (param->cmd) {
 717         case VIAWGET_HOSTAPD_SET_ENCRYPTION:
 718             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_ENCRYPTION \n");
 719         spin_lock_irq(&pDevice->lock);
 720                 ret = hostap_set_encryption(pDevice, param, p->length);
 721         spin_unlock_irq(&pDevice->lock);
 722                 break;
 723         case VIAWGET_HOSTAPD_GET_ENCRYPTION:
 724             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_GET_ENCRYPTION \n");
 725         spin_lock_irq(&pDevice->lock);
 726                 ret = hostap_get_encryption(pDevice, param, p->length);
 727         spin_unlock_irq(&pDevice->lock);
 728                 break;
 729         case VIAWGET_HOSTAPD_SET_ASSOC_AP_ADDR:
 730             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_ASSOC_AP_ADDR \n");
 731                 ret = -EOPNOTSUPP;
 732                 goto out;
 733         case VIAWGET_HOSTAPD_FLUSH:
 734             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_FLUSH \n");
 735         spin_lock_irq(&pDevice->lock);
 736         hostap_flush_sta(pDevice);
 737         spin_unlock_irq(&pDevice->lock);
 738                 break;
 739         case VIAWGET_HOSTAPD_ADD_STA:
 740             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_ADD_STA \n");
 741          spin_lock_irq(&pDevice->lock);
 742                  ret = hostap_add_sta(pDevice, param);
 743          spin_unlock_irq(&pDevice->lock);
 744                 break;
 745         case VIAWGET_HOSTAPD_REMOVE_STA:
 746             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_REMOVE_STA \n");
 747          spin_lock_irq(&pDevice->lock);
 748                  ret = hostap_remove_sta(pDevice, param);
 749          spin_unlock_irq(&pDevice->lock);
 750                 break;
 751         case VIAWGET_HOSTAPD_GET_INFO_STA:
 752             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_GET_INFO_STA \n");
 753                  ret = hostap_get_info_sta(pDevice, param);
 754                  ap_ioctl = 1;
 755                 break;
 756         case VIAWGET_HOSTAPD_SET_FLAGS_STA:
 757             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_FLAGS_STA \n");
 758                  ret = hostap_set_flags_sta(pDevice, param);
 759                 break;
 760
 761         case VIAWGET_HOSTAPD_MLME:
 762             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_MLME \n");
 763             return -EOPNOTSUPP;
 764
 765         case VIAWGET_HOSTAPD_SET_GENERIC_ELEMENT:
 766             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_GENERIC_ELEMENT \n");
 767                 ret = hostap_set_generic_element(pDevice, param);
 768                 break;
 769
 770         case VIAWGET_HOSTAPD_SCAN_REQ:
 771             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SCAN_REQ \n");
 772             return -EOPNOTSUPP;
 773
 774         case VIAWGET_HOSTAPD_STA_CLEAR_STATS:
 775             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_STA_CLEAR_STATS \n");
 776             ret = -EOPNOTSUPP;
 777             goto out;
 778         default:
 779             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "vt6656_hostap_ioctl: unknown cmd=%d\n",
 780                        (int)param->cmd);
 781                 ret = -EOPNOTSUPP;
 782                 goto out;
 783         }
 784
 785
 786         if ((ret == 0) && ap_ioctl) {
 787                 if (copy_to_user(p->pointer, param, p->length)) {
 788                         ret = -EFAULT;
 789                         goto out;
 790                 }
 791         }
 792
 793  out:
 794         kfree(param);
 795
 796         return ret;
 797 }
 798