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(struct vnt_private *pDevice, int rtnl_locked)
  64 {
  65         struct vnt_private *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(struct vnt_private *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(struct vnt_private *pDevice,
 161         int val, int rtnl_locked)
 162 {
 163         if (val < 0 || val > 1)
 164                 return -EINVAL;
 165
 166         if (pDevice->bEnableHostapd == val)
 167                 return 0;
 168
 169         pDevice->bEnableHostapd = val;
 170
 171         if (val)
 172                 return hostap_enable_hostapd(pDevice, rtnl_locked);
 173         else
 174                 return hostap_disable_hostapd(pDevice, rtnl_locked);
 175 }
 176
 177
 178 /*
 179  * Description:
 180  *      remove station function supported for hostap daemon
 181  *
 182  * Parameters:
 183  *  In:
 184  *      pDevice   -
 185  *      param     -
 186  *  Out:
 187  *
 188  * Return Value:
 189  *
 190  */
 191 static int hostap_remove_sta(struct vnt_private *pDevice,
 192         struct viawget_hostapd_param *param)
 193 {
 194         unsigned int uNodeIndex;
 195
 196
 197     if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &uNodeIndex)) {
 198         BSSvRemoveOneNode(pDevice, uNodeIndex);
 199     }
 200     else {
 201         return -ENOENT;
 202     }
 203         return 0;
 204 }
 205
 206 /*
 207  * Description:
 208  *      add a station from hostap daemon
 209  *
 210  * Parameters:
 211  *  In:
 212  *      pDevice   -
 213  *      param     -
 214  *  Out:
 215  *
 216  * Return Value:
 217  *
 218  */
 219 static int hostap_add_sta(struct vnt_private *pDevice,
 220         struct viawget_hostapd_param *param)
 221 {
 222         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
 223         unsigned int uNodeIndex;
 224
 225         if (!BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &uNodeIndex))
 226                 BSSvCreateOneNode(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(struct vnt_private *pDevice,
 279         struct viawget_hostapd_param *param)
 280 {
 281         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
 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(struct vnt_private *pDevice,
 312                 struct viawget_hostapd_param *param)
 313 {
 314         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
 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(struct vnt_private *pDevice,
 346                                         struct viawget_hostapd_param *param)
 347 {
 348         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
 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(struct vnt_private *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(struct vnt_private *pDevice,
 414         struct viawget_hostapd_param *param, int param_len)
 415 {
 416         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
 417         u32 dwKeyIndex = 0;
 418         u8 abyKey[MAX_KEY_LEN];
 419         u8 abySeq[MAX_KEY_LEN];
 420         NDIS_802_11_KEY_RSC   KeyRSC;
 421         u8 byKeyDecMode = KEY_CTL_WEP;
 422         int ret = 0;
 423         s32 iNodeIndex = -1;
 424         int ii;
 425         int bKeyTableFull = false;
 426         u16 wKeyCtl = 0;
 427
 428
 429         param->u.crypt.err = 0;
 430
 431         if (param->u.crypt.alg > WPA_ALG_CCMP)
 432                 return -EINVAL;
 433
 434
 435         if ((param->u.crypt.idx > 3) || (param->u.crypt.key_len > MAX_KEY_LEN)) {
 436                 param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
 437                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " HOSTAP_CRYPT_ERR_KEY_SET_FAILED\n");
 438                 return -EINVAL;
 439         }
 440
 441         if (is_broadcast_ether_addr(param->sta_addr)) {
 442                 if (param->u.crypt.idx >= MAX_GROUP_KEY)
 443                         return -EINVAL;
 444         iNodeIndex = 0;
 445
 446         } else {
 447             if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &iNodeIndex) == false) {
 448                 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
 449             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " HOSTAP_CRYPT_ERR_UNKNOWN_ADDR\n");
 450                 return -EINVAL;
 451             }
 452         }
 453     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " hostap_set_encryption: sta_index %d \n", iNodeIndex);
 454     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " hostap_set_encryption: alg %d \n", param->u.crypt.alg);
 455
 456         if (param->u.crypt.alg == WPA_ALG_NONE) {
 457
 458         if (pMgmt->sNodeDBTable[iNodeIndex].bOnFly == true) {
 459             if (KeybRemoveKey( pDevice,
 460                                &(pDevice->sKey),
 461                                param->sta_addr,
 462                                pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex
 463                               ) == false) {
 464                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "KeybRemoveKey fail \n");
 465             }
 466             pMgmt->sNodeDBTable[iNodeIndex].bOnFly = false;
 467         }
 468         pMgmt->sNodeDBTable[iNodeIndex].byKeyIndex = 0;
 469         pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex = 0;
 470         pMgmt->sNodeDBTable[iNodeIndex].uWepKeyLength = 0;
 471         pMgmt->sNodeDBTable[iNodeIndex].KeyRSC = 0;
 472         pMgmt->sNodeDBTable[iNodeIndex].dwTSC47_16 = 0;
 473         pMgmt->sNodeDBTable[iNodeIndex].wTSC15_0 = 0;
 474         pMgmt->sNodeDBTable[iNodeIndex].byCipherSuite = 0;
 475         memset(&pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[0],
 476                 0,
 477                 MAX_KEY_LEN
 478                );
 479
 480         return ret;
 481         }
 482
 483     memcpy(abyKey, param->u.crypt.key, param->u.crypt.key_len);
 484     // copy to node key tbl
 485     pMgmt->sNodeDBTable[iNodeIndex].byKeyIndex = param->u.crypt.idx;
 486     pMgmt->sNodeDBTable[iNodeIndex].uWepKeyLength = param->u.crypt.key_len;
 487     memcpy(&pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[0],
 488             param->u.crypt.key,
 489             param->u.crypt.key_len
 490            );
 491
 492     dwKeyIndex = (DWORD)(param->u.crypt.idx);
 493     if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
 494         pDevice->byKeyIndex = (BYTE)dwKeyIndex;
 495         pDevice->bTransmitKey = true;
 496         dwKeyIndex |= (1 << 31);
 497     }
 498
 499         if (param->u.crypt.alg == WPA_ALG_WEP) {
 500
 501         if ((pDevice->bEnable8021x == false) || (iNodeIndex == 0)) {
 502             KeybSetDefaultKey(  pDevice,
 503                                 &(pDevice->sKey),
 504                                 dwKeyIndex & ~(BIT30 | USE_KEYRSC),
 505                                 param->u.crypt.key_len,
 506                                 NULL,
 507                                 abyKey,
 508                                 KEY_CTL_WEP
 509                              );
 510
 511         } else {
 512             // 8021x enable, individual key
 513             dwKeyIndex |= (1 << 30); // set pairwise key
 514                 if (KeybSetKey(pDevice, &(pDevice->sKey),
 515                         &param->sta_addr[0],
 516                         dwKeyIndex & ~(USE_KEYRSC),
 517                         param->u.crypt.key_len,
 518                         &KeyRSC, (PBYTE)abyKey,
 519                         KEY_CTL_WEP
 520                            ) == true) {
 521
 522
 523                 pMgmt->sNodeDBTable[iNodeIndex].bOnFly = true;
 524
 525             } else {
 526                 // Key Table Full
 527                 pMgmt->sNodeDBTable[iNodeIndex].bOnFly = false;
 528                 bKeyTableFull = true;
 529             }
 530         }
 531         pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
 532         pDevice->bEncryptionEnable = true;
 533         pMgmt->byCSSPK = KEY_CTL_WEP;
 534         pMgmt->byCSSGK = KEY_CTL_WEP;
 535         pMgmt->sNodeDBTable[iNodeIndex].byCipherSuite = KEY_CTL_WEP;
 536         pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex = dwKeyIndex;
 537         return ret;
 538         }
 539
 540         if (param->u.crypt.seq) {
 541             memcpy(&abySeq, param->u.crypt.seq, 8);
 542                 for (ii = 0 ; ii < 8 ; ii++)
 543                         KeyRSC |= (unsigned long)abySeq[ii] << (ii * 8);
 544
 545                 dwKeyIndex |= 1 << 29;
 546                 pMgmt->sNodeDBTable[iNodeIndex].KeyRSC = KeyRSC;
 547         }
 548
 549         if (param->u.crypt.alg == WPA_ALG_TKIP) {
 550             if (param->u.crypt.key_len != MAX_KEY_LEN)
 551                 return -EINVAL;
 552             pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
 553         byKeyDecMode = KEY_CTL_TKIP;
 554         pMgmt->byCSSPK = KEY_CTL_TKIP;
 555         pMgmt->byCSSGK = KEY_CTL_TKIP;
 556         }
 557
 558         if (param->u.crypt.alg == WPA_ALG_CCMP) {
 559             if ((param->u.crypt.key_len != AES_KEY_LEN) ||
 560                 (pDevice->byLocalID <= REV_ID_VT3253_A1))
 561                 return -EINVAL;
 562         pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
 563         byKeyDecMode = KEY_CTL_CCMP;
 564         pMgmt->byCSSPK = KEY_CTL_CCMP;
 565         pMgmt->byCSSGK = KEY_CTL_CCMP;
 566     }
 567
 568
 569     if (iNodeIndex == 0) {
 570        KeybSetDefaultKey(  pDevice,
 571                            &(pDevice->sKey),
 572                            dwKeyIndex,
 573                            param->u.crypt.key_len,
 574                         &KeyRSC,
 575                            abyKey,
 576                            byKeyDecMode
 577                           );
 578        pMgmt->sNodeDBTable[iNodeIndex].bOnFly = true;
 579
 580     } else {
 581         dwKeyIndex |= (1 << 30); // set pairwise key
 582         if (KeybSetKey(pDevice,
 583                        &(pDevice->sKey),
 584                        &param->sta_addr[0],
 585                        dwKeyIndex,
 586                        param->u.crypt.key_len,
 587                         &KeyRSC,
 588                        (PBYTE)abyKey,
 589                         byKeyDecMode
 590                        ) == true) {
 591
 592             pMgmt->sNodeDBTable[iNodeIndex].bOnFly = true;
 593
 594         } else {
 595             // Key Table Full
 596             pMgmt->sNodeDBTable[iNodeIndex].bOnFly = false;
 597             bKeyTableFull = true;
 598             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " Key Table Full\n");
 599         }
 600
 601     }
 602
 603     if (bKeyTableFull == true) {
 604         wKeyCtl &= 0x7F00;              // clear all key control filed
 605         wKeyCtl |= (byKeyDecMode << 4);
 606         wKeyCtl |= (byKeyDecMode);
 607         wKeyCtl |= 0x0044;              // use group key for all address
 608         wKeyCtl |= 0x4000;              // disable KeyTable[MAX_KEY_TABLE-1] on-fly to genernate rx int
 609 // Todo.. xxxxxx
 610         //MACvSetDefaultKeyCtl(pDevice->PortOffset, wKeyCtl, MAX_KEY_TABLE-1, pDevice->byLocalID);
 611     }
 612
 613     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " Set key sta_index= %d \n", iNodeIndex);
 614     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " tx_index=%d len=%d \n", param->u.crypt.idx,
 615                param->u.crypt.key_len );
 616     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " key=%x-%x-%x-%x-%x-xxxxx \n",
 617                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[0],
 618                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[1],
 619                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[2],
 620                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[3],
 621                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[4]
 622               );
 623
 624         // set wep key
 625     pDevice->bEncryptionEnable = true;
 626     pMgmt->sNodeDBTable[iNodeIndex].byCipherSuite = byKeyDecMode;
 627     pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex = dwKeyIndex;
 628     pMgmt->sNodeDBTable[iNodeIndex].dwTSC47_16 = 0;
 629     pMgmt->sNodeDBTable[iNodeIndex].wTSC15_0 = 0;
 630
 631         return ret;
 632 }
 633
 634
 635
 636 /*
 637  * Description:
 638  *      get each stations encryption key
 639  *
 640  * Parameters:
 641  *  In:
 642  *      pDevice   -
 643  *      param     -
 644  *  Out:
 645  *
 646  * Return Value:
 647  *
 648  */
 649 static int hostap_get_encryption(struct vnt_private *pDevice,
 650                                        struct viawget_hostapd_param *param,
 651                                        int param_len)
 652 {
 653         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
 654         int ret = 0;
 655         int ii;
 656         s32 iNodeIndex = 0;
 657
 658
 659         param->u.crypt.err = 0;
 660
 661         if (is_broadcast_ether_addr(param->sta_addr)) {
 662         iNodeIndex = 0;
 663         } else {
 664             if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &iNodeIndex) == false) {
 665                 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
 666             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "hostap_get_encryption: HOSTAP_CRYPT_ERR_UNKNOWN_ADDR\n");
 667                 return -EINVAL;
 668             }
 669         }
 670         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "hostap_get_encryption: %d\n", iNodeIndex);
 671     memset(param->u.crypt.seq, 0, 8);
 672     for (ii = 0 ; ii < 8 ; ii++) {
 673         param->u.crypt.seq[ii] = (BYTE)pMgmt->sNodeDBTable[iNodeIndex].KeyRSC >> (ii * 8);
 674     }
 675
 676         return ret;
 677 }
 678
 679
 680 /*
 681  * Description:
 682  *      vt6656_hostap_ioctl main function supported for hostap daemon.
 683  *
 684  * Parameters:
 685  *  In:
 686  *      pDevice   -
 687  *      iw_point  -
 688  *  Out:
 689  *
 690  * Return Value:
 691  *
 692  */
 693
 694 int vt6656_hostap_ioctl(struct vnt_private *pDevice, struct iw_point *p)
 695 {
 696         struct viawget_hostapd_param *param;
 697         int ret = 0;
 698         int ap_ioctl = 0;
 699
 700         if (p->length < sizeof(struct viawget_hostapd_param) ||
 701             p->length > VIAWGET_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
 702                 return -EINVAL;
 703
 704         param = kmalloc((int)p->length, (int)GFP_KERNEL);
 705         if (param == NULL)
 706                 return -ENOMEM;
 707
 708         if (copy_from_user(param, p->pointer, p->length)) {
 709                 ret = -EFAULT;
 710                 goto out;
 711         }
 712
 713         switch (param->cmd) {
 714         case VIAWGET_HOSTAPD_SET_ENCRYPTION:
 715             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_ENCRYPTION \n");
 716         spin_lock_irq(&pDevice->lock);
 717                 ret = hostap_set_encryption(pDevice, param, p->length);
 718         spin_unlock_irq(&pDevice->lock);
 719                 break;
 720         case VIAWGET_HOSTAPD_GET_ENCRYPTION:
 721             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_GET_ENCRYPTION \n");
 722         spin_lock_irq(&pDevice->lock);
 723                 ret = hostap_get_encryption(pDevice, param, p->length);
 724         spin_unlock_irq(&pDevice->lock);
 725                 break;
 726         case VIAWGET_HOSTAPD_SET_ASSOC_AP_ADDR:
 727             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_ASSOC_AP_ADDR \n");
 728                 ret = -EOPNOTSUPP;
 729                 goto out;
 730         case VIAWGET_HOSTAPD_FLUSH:
 731             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_FLUSH \n");
 732         spin_lock_irq(&pDevice->lock);
 733         hostap_flush_sta(pDevice);
 734         spin_unlock_irq(&pDevice->lock);
 735                 break;
 736         case VIAWGET_HOSTAPD_ADD_STA:
 737             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_ADD_STA \n");
 738          spin_lock_irq(&pDevice->lock);
 739                  ret = hostap_add_sta(pDevice, param);
 740          spin_unlock_irq(&pDevice->lock);
 741                 break;
 742         case VIAWGET_HOSTAPD_REMOVE_STA:
 743             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_REMOVE_STA \n");
 744          spin_lock_irq(&pDevice->lock);
 745                  ret = hostap_remove_sta(pDevice, param);
 746          spin_unlock_irq(&pDevice->lock);
 747                 break;
 748         case VIAWGET_HOSTAPD_GET_INFO_STA:
 749             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_GET_INFO_STA \n");
 750                  ret = hostap_get_info_sta(pDevice, param);
 751                  ap_ioctl = 1;
 752                 break;
 753         case VIAWGET_HOSTAPD_SET_FLAGS_STA:
 754             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_FLAGS_STA \n");
 755                  ret = hostap_set_flags_sta(pDevice, param);
 756                 break;
 757
 758         case VIAWGET_HOSTAPD_MLME:
 759             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_MLME \n");
 760             return -EOPNOTSUPP;
 761
 762         case VIAWGET_HOSTAPD_SET_GENERIC_ELEMENT:
 763             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_GENERIC_ELEMENT \n");
 764                 ret = hostap_set_generic_element(pDevice, param);
 765                 break;
 766
 767         case VIAWGET_HOSTAPD_SCAN_REQ:
 768             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SCAN_REQ \n");
 769             return -EOPNOTSUPP;
 770
 771         case VIAWGET_HOSTAPD_STA_CLEAR_STATS:
 772             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_STA_CLEAR_STATS \n");
 773             ret = -EOPNOTSUPP;
 774             goto out;
 775         default:
 776             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "vt6656_hostap_ioctl: unknown cmd=%d\n",
 777                        (int)param->cmd);
 778                 ret = -EOPNOTSUPP;
 779                 goto out;
 780         }
 781
 782
 783         if ((ret == 0) && ap_ioctl) {
 784                 if (copy_to_user(p->pointer, param, p->length)) {
 785                         ret = -EFAULT;
 786                         goto out;
 787                 }
 788         }
 789
 790  out:
 791         kfree(param);
 792
 793         return ret;
 794 }
 795