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         if (pDevice->apdev)
 137                 free_netdev(pDevice->apdev);
 138         pDevice->apdev = NULL;
 139     pDevice->bEnable8021x = false;
 140     pDevice->bEnableHostWEP = false;
 141     pDevice->bEncryptionEnable = false;
 142
 143         return 0;
 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  * 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(struct vnt_private *pDevice,
 191         struct viawget_hostapd_param *param)
 192 {
 193         unsigned int uNodeIndex;
 194
 195     if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &uNodeIndex)) {
 196         BSSvRemoveOneNode(pDevice, uNodeIndex);
 197     }
 198     else {
 199         return -ENOENT;
 200     }
 201         return 0;
 202 }
 203
 204 /*
 205  * Description:
 206  *      add a station from hostap daemon
 207  *
 208  * Parameters:
 209  *  In:
 210  *      pDevice   -
 211  *      param     -
 212  *  Out:
 213  *
 214  * Return Value:
 215  *
 216  */
 217 static int hostap_add_sta(struct vnt_private *pDevice,
 218         struct viawget_hostapd_param *param)
 219 {
 220         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
 221         unsigned int uNodeIndex;
 222
 223         if (!BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &uNodeIndex))
 224                 BSSvCreateOneNode(pDevice, &uNodeIndex);
 225
 226     memcpy(pMgmt->sNodeDBTable[uNodeIndex].abyMACAddr, param->sta_addr, WLAN_ADDR_LEN);
 227     pMgmt->sNodeDBTable[uNodeIndex].eNodeState = NODE_ASSOC;
 228     pMgmt->sNodeDBTable[uNodeIndex].wCapInfo = param->u.add_sta.capability;
 229 // TODO listenInterval
 230 //    pMgmt->sNodeDBTable[uNodeIndex].wListenInterval = 1;
 231     pMgmt->sNodeDBTable[uNodeIndex].bPSEnable = false;
 232     pMgmt->sNodeDBTable[uNodeIndex].bySuppRate = param->u.add_sta.tx_supp_rates;
 233
 234     // set max tx rate
 235     pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate =
 236            pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate;
 237     // set max basic rate
 238     pMgmt->sNodeDBTable[uNodeIndex].wMaxBasicRate = RATE_2M;
 239     // Todo: check sta preamble, if ap can't support, set status code
 240     pMgmt->sNodeDBTable[uNodeIndex].bShortPreamble =
 241             WLAN_GET_CAP_INFO_SHORTPREAMBLE(pMgmt->sNodeDBTable[uNodeIndex].wCapInfo);
 242
 243     pMgmt->sNodeDBTable[uNodeIndex].wAID = (u16)param->u.add_sta.aid;
 244
 245     pMgmt->sNodeDBTable[uNodeIndex].ulLastRxJiffer = jiffies;
 246
 247     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Add STA AID= %d \n", pMgmt->sNodeDBTable[uNodeIndex].wAID);
 248     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "MAC=%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X \n",
 249                param->sta_addr[0],
 250                param->sta_addr[1],
 251                param->sta_addr[2],
 252                param->sta_addr[3],
 253                param->sta_addr[4],
 254                param->sta_addr[5]
 255               ) ;
 256     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Max Support rate = %d \n",
 257                pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate);
 258
 259         return 0;
 260 }
 261
 262 /*
 263  * Description:
 264  *      get station info
 265  *
 266  * Parameters:
 267  *  In:
 268  *      pDevice   -
 269  *      param     -
 270  *  Out:
 271  *
 272  * Return Value:
 273  *
 274  */
 275
 276 static int hostap_get_info_sta(struct vnt_private *pDevice,
 277         struct viawget_hostapd_param *param)
 278 {
 279         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
 280         unsigned int uNodeIndex;
 281
 282     if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &uNodeIndex)) {
 283             param->u.get_info_sta.inactive_sec =
 284                 (jiffies - pMgmt->sNodeDBTable[uNodeIndex].ulLastRxJiffer) / HZ;
 285
 286             //param->u.get_info_sta.txexc = pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts;
 287         }
 288         else {
 289             return -ENOENT;
 290         }
 291
 292         return 0;
 293 }
 294
 295 /*
 296  * Description:
 297  *      set station flag
 298  *
 299  * Parameters:
 300  *  In:
 301  *      pDevice   -
 302  *      param     -
 303  *  Out:
 304  *
 305  * Return Value:
 306  *
 307  */
 308 static int hostap_set_flags_sta(struct vnt_private *pDevice,
 309                 struct viawget_hostapd_param *param)
 310 {
 311         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
 312         unsigned int uNodeIndex;
 313
 314     if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &uNodeIndex)) {
 315                 pMgmt->sNodeDBTable[uNodeIndex].dwFlags |= param->u.set_flags_sta.flags_or;
 316                 pMgmt->sNodeDBTable[uNodeIndex].dwFlags &= param->u.set_flags_sta.flags_and;
 317                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " dwFlags = %x\n",
 318                         (unsigned int) pMgmt->sNodeDBTable[uNodeIndex].dwFlags);
 319         }
 320         else {
 321             return -ENOENT;
 322         }
 323
 324         return 0;
 325 }
 326
 327 /*
 328  * Description:
 329  *      set generic element (wpa ie)
 330  *
 331  * Parameters:
 332  *  In:
 333  *      pDevice   -
 334  *      param     -
 335  *  Out:
 336  *
 337  * Return Value:
 338  *
 339  */
 340 static int hostap_set_generic_element(struct vnt_private *pDevice,
 341                                         struct viawget_hostapd_param *param)
 342 {
 343         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
 344
 345     memcpy( pMgmt->abyWPAIE,
 346             param->u.generic_elem.data,
 347             param->u.generic_elem.len
 348            );
 349
 350     pMgmt->wWPAIELen =  param->u.generic_elem.len;
 351
 352     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pMgmt->wWPAIELen = %d\n",  pMgmt->wWPAIELen);
 353
 354     // disable wpa
 355     if (pMgmt->wWPAIELen == 0) {
 356         pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
 357                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " No WPAIE, Disable WPA \n");
 358     } else  {
 359         // enable wpa
 360         if ((pMgmt->abyWPAIE[0] == WLAN_EID_RSN_WPA) ||
 361              (pMgmt->abyWPAIE[0] == WLAN_EID_RSN)) {
 362               pMgmt->eAuthenMode = WMAC_AUTH_WPANONE;
 363                DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Set WPAIE enable WPA\n");
 364         } else
 365             return -EINVAL;
 366     }
 367
 368         return 0;
 369 }
 370
 371 /*
 372  * Description:
 373  *      flush station nodes table.
 374  *
 375  * Parameters:
 376  *  In:
 377  *      pDevice   -
 378  *  Out:
 379  *
 380  * Return Value:
 381  *
 382  */
 383
 384 static void hostap_flush_sta(struct vnt_private *pDevice)
 385 {
 386     // reserved node index =0 for multicast node.
 387     BSSvClearNodeDBTable(pDevice, 1);
 388     pDevice->uAssocCount = 0;
 389
 390     return;
 391 }
 392
 393 /*
 394  * Description:
 395  *      set each stations encryption key
 396  *
 397  * Parameters:
 398  *  In:
 399  *      pDevice   -
 400  *      param     -
 401  *  Out:
 402  *
 403  * Return Value:
 404  *
 405  */
 406 static int hostap_set_encryption(struct vnt_private *pDevice,
 407         struct viawget_hostapd_param *param, int param_len)
 408 {
 409         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
 410         u32 dwKeyIndex = 0;
 411         u8 abyKey[MAX_KEY_LEN];
 412         u8 abySeq[MAX_KEY_LEN];
 413         NDIS_802_11_KEY_RSC   KeyRSC;
 414         u8 byKeyDecMode = KEY_CTL_WEP;
 415         int ret = 0;
 416         s32 iNodeIndex = -1;
 417         int ii;
 418         bool bKeyTableFull = false;
 419         u16 wKeyCtl = 0;
 420
 421         param->u.crypt.err = 0;
 422
 423         if (param->u.crypt.alg > WPA_ALG_CCMP)
 424                 return -EINVAL;
 425
 426         if ((param->u.crypt.idx > 3) || (param->u.crypt.key_len > MAX_KEY_LEN)) {
 427                 param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
 428                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " HOSTAP_CRYPT_ERR_KEY_SET_FAILED\n");
 429                 return -EINVAL;
 430         }
 431
 432         if (is_broadcast_ether_addr(param->sta_addr)) {
 433                 if (param->u.crypt.idx >= MAX_GROUP_KEY)
 434                         return -EINVAL;
 435         iNodeIndex = 0;
 436
 437         } else {
 438             if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &iNodeIndex) == false) {
 439                 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
 440             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " HOSTAP_CRYPT_ERR_UNKNOWN_ADDR\n");
 441                 return -EINVAL;
 442             }
 443         }
 444     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " hostap_set_encryption: sta_index %d \n", iNodeIndex);
 445     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " hostap_set_encryption: alg %d \n", param->u.crypt.alg);
 446
 447         if (param->u.crypt.alg == WPA_ALG_NONE) {
 448
 449         if (pMgmt->sNodeDBTable[iNodeIndex].bOnFly == true) {
 450             if (KeybRemoveKey( pDevice,
 451                                &(pDevice->sKey),
 452                                param->sta_addr,
 453                                pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex
 454                               ) == false) {
 455                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "KeybRemoveKey fail \n");
 456             }
 457             pMgmt->sNodeDBTable[iNodeIndex].bOnFly = false;
 458         }
 459         pMgmt->sNodeDBTable[iNodeIndex].byKeyIndex = 0;
 460         pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex = 0;
 461         pMgmt->sNodeDBTable[iNodeIndex].uWepKeyLength = 0;
 462         pMgmt->sNodeDBTable[iNodeIndex].KeyRSC = 0;
 463         pMgmt->sNodeDBTable[iNodeIndex].dwTSC47_16 = 0;
 464         pMgmt->sNodeDBTable[iNodeIndex].wTSC15_0 = 0;
 465         pMgmt->sNodeDBTable[iNodeIndex].byCipherSuite = 0;
 466         memset(&pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[0],
 467                 0,
 468                 MAX_KEY_LEN
 469                );
 470
 471         return ret;
 472         }
 473
 474     memcpy(abyKey, param->u.crypt.key, param->u.crypt.key_len);
 475     // copy to node key tbl
 476     pMgmt->sNodeDBTable[iNodeIndex].byKeyIndex = param->u.crypt.idx;
 477     pMgmt->sNodeDBTable[iNodeIndex].uWepKeyLength = param->u.crypt.key_len;
 478     memcpy(&pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[0],
 479             param->u.crypt.key,
 480             param->u.crypt.key_len
 481            );
 482
 483     dwKeyIndex = (u32)(param->u.crypt.idx);
 484     if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
 485         pDevice->byKeyIndex = (u8)dwKeyIndex;
 486         pDevice->bTransmitKey = true;
 487         dwKeyIndex |= (1 << 31);
 488     }
 489
 490         if (param->u.crypt.alg == WPA_ALG_WEP) {
 491
 492         if ((pDevice->bEnable8021x == false) || (iNodeIndex == 0)) {
 493             KeybSetDefaultKey(  pDevice,
 494                                 &(pDevice->sKey),
 495                                 dwKeyIndex & ~(BIT30 | USE_KEYRSC),
 496                                 param->u.crypt.key_len,
 497                                 NULL,
 498                                 abyKey,
 499                                 KEY_CTL_WEP
 500                              );
 501
 502         } else {
 503             // 8021x enable, individual key
 504             dwKeyIndex |= (1 << 30); // set pairwise key
 505                 if (KeybSetKey(pDevice, &(pDevice->sKey),
 506                         &param->sta_addr[0],
 507                         dwKeyIndex & ~(USE_KEYRSC),
 508                         param->u.crypt.key_len,
 509                         &KeyRSC, (u8 *)abyKey,
 510                         KEY_CTL_WEP
 511                            ) == true) {
 512
 513                 pMgmt->sNodeDBTable[iNodeIndex].bOnFly = true;
 514
 515             } else {
 516                 // Key Table Full
 517                 pMgmt->sNodeDBTable[iNodeIndex].bOnFly = false;
 518                 bKeyTableFull = true;
 519             }
 520         }
 521         pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
 522         pDevice->bEncryptionEnable = true;
 523         pMgmt->byCSSPK = KEY_CTL_WEP;
 524         pMgmt->byCSSGK = KEY_CTL_WEP;
 525         pMgmt->sNodeDBTable[iNodeIndex].byCipherSuite = KEY_CTL_WEP;
 526         pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex = dwKeyIndex;
 527         return ret;
 528         }
 529
 530         if (param->u.crypt.seq) {
 531             memcpy(&abySeq, param->u.crypt.seq, 8);
 532                 for (ii = 0 ; ii < 8 ; ii++)
 533                         KeyRSC |= (unsigned long)abySeq[ii] << (ii * 8);
 534
 535                 dwKeyIndex |= 1 << 29;
 536                 pMgmt->sNodeDBTable[iNodeIndex].KeyRSC = KeyRSC;
 537         }
 538
 539         if (param->u.crypt.alg == WPA_ALG_TKIP) {
 540             if (param->u.crypt.key_len != MAX_KEY_LEN)
 541                 return -EINVAL;
 542             pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
 543         byKeyDecMode = KEY_CTL_TKIP;
 544         pMgmt->byCSSPK = KEY_CTL_TKIP;
 545         pMgmt->byCSSGK = KEY_CTL_TKIP;
 546         }
 547
 548         if (param->u.crypt.alg == WPA_ALG_CCMP) {
 549             if ((param->u.crypt.key_len != AES_KEY_LEN) ||
 550                 (pDevice->byLocalID <= REV_ID_VT3253_A1))
 551                 return -EINVAL;
 552         pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
 553         byKeyDecMode = KEY_CTL_CCMP;
 554         pMgmt->byCSSPK = KEY_CTL_CCMP;
 555         pMgmt->byCSSGK = KEY_CTL_CCMP;
 556     }
 557
 558     if (iNodeIndex == 0) {
 559        KeybSetDefaultKey(  pDevice,
 560                            &(pDevice->sKey),
 561                            dwKeyIndex,
 562                            param->u.crypt.key_len,
 563                         &KeyRSC,
 564                            abyKey,
 565                            byKeyDecMode
 566                           );
 567        pMgmt->sNodeDBTable[iNodeIndex].bOnFly = true;
 568
 569     } else {
 570         dwKeyIndex |= (1 << 30); // set pairwise key
 571         if (KeybSetKey(pDevice,
 572                        &(pDevice->sKey),
 573                        &param->sta_addr[0],
 574                        dwKeyIndex,
 575                        param->u.crypt.key_len,
 576                         &KeyRSC,
 577                        (u8 *)abyKey,
 578                         byKeyDecMode
 579                        ) == true) {
 580
 581             pMgmt->sNodeDBTable[iNodeIndex].bOnFly = true;
 582
 583         } else {
 584             // Key Table Full
 585             pMgmt->sNodeDBTable[iNodeIndex].bOnFly = false;
 586             bKeyTableFull = true;
 587             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " Key Table Full\n");
 588         }
 589
 590     }
 591
 592     if (bKeyTableFull == true) {
 593         wKeyCtl &= 0x7F00;              // clear all key control filed
 594         wKeyCtl |= (byKeyDecMode << 4);
 595         wKeyCtl |= (byKeyDecMode);
 596         wKeyCtl |= 0x0044;              // use group key for all address
 597         wKeyCtl |= 0x4000;              // disable KeyTable[MAX_KEY_TABLE-1] on-fly to genernate rx int
 598 // Todo.. xxxxxx
 599         //MACvSetDefaultKeyCtl(pDevice->PortOffset, wKeyCtl, MAX_KEY_TABLE-1, pDevice->byLocalID);
 600     }
 601
 602     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " Set key sta_index= %d \n", iNodeIndex);
 603     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " tx_index=%d len=%d \n", param->u.crypt.idx,
 604                param->u.crypt.key_len );
 605     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " key=%x-%x-%x-%x-%x-xxxxx \n",
 606                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[0],
 607                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[1],
 608                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[2],
 609                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[3],
 610                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[4]
 611               );
 612
 613         // set wep key
 614     pDevice->bEncryptionEnable = true;
 615     pMgmt->sNodeDBTable[iNodeIndex].byCipherSuite = byKeyDecMode;
 616     pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex = dwKeyIndex;
 617     pMgmt->sNodeDBTable[iNodeIndex].dwTSC47_16 = 0;
 618     pMgmt->sNodeDBTable[iNodeIndex].wTSC15_0 = 0;
 619
 620         return ret;
 621 }
 622
 623 /*
 624  * Description:
 625  *      get each stations encryption key
 626  *
 627  * Parameters:
 628  *  In:
 629  *      pDevice   -
 630  *      param     -
 631  *  Out:
 632  *
 633  * Return Value:
 634  *
 635  */
 636 static int hostap_get_encryption(struct vnt_private *pDevice,
 637                                        struct viawget_hostapd_param *param,
 638                                        int param_len)
 639 {
 640         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
 641         int ret = 0;
 642         int ii;
 643         s32 iNodeIndex = 0;
 644
 645         param->u.crypt.err = 0;
 646
 647         if (is_broadcast_ether_addr(param->sta_addr)) {
 648         iNodeIndex = 0;
 649         } else {
 650             if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &iNodeIndex) == false) {
 651                 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
 652             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "hostap_get_encryption: HOSTAP_CRYPT_ERR_UNKNOWN_ADDR\n");
 653                 return -EINVAL;
 654             }
 655         }
 656         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "hostap_get_encryption: %d\n", iNodeIndex);
 657     memset(param->u.crypt.seq, 0, 8);
 658     for (ii = 0 ; ii < 8 ; ii++) {
 659         param->u.crypt.seq[ii] = (u8)pMgmt->sNodeDBTable[iNodeIndex].KeyRSC >> (ii * 8);
 660     }
 661
 662         return ret;
 663 }
 664
 665 /*
 666  * Description:
 667  *      vt6656_hostap_ioctl main function supported for hostap daemon.
 668  *
 669  * Parameters:
 670  *  In:
 671  *      pDevice   -
 672  *      iw_point  -
 673  *  Out:
 674  *
 675  * Return Value:
 676  *
 677  */
 678
 679 int vt6656_hostap_ioctl(struct vnt_private *pDevice, struct iw_point *p)
 680 {
 681         struct viawget_hostapd_param *param;
 682         int ret = 0;
 683         int ap_ioctl = 0;
 684
 685         if (p->length < sizeof(struct viawget_hostapd_param) ||
 686             p->length > VIAWGET_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
 687                 return -EINVAL;
 688
 689         param = kmalloc((int)p->length, GFP_KERNEL);
 690         if (param == NULL)
 691                 return -ENOMEM;
 692
 693         if (copy_from_user(param, p->pointer, p->length)) {
 694                 ret = -EFAULT;
 695                 goto out;
 696         }
 697
 698         switch (param->cmd) {
 699         case VIAWGET_HOSTAPD_SET_ENCRYPTION:
 700             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_ENCRYPTION \n");
 701         spin_lock_irq(&pDevice->lock);
 702                 ret = hostap_set_encryption(pDevice, param, p->length);
 703         spin_unlock_irq(&pDevice->lock);
 704                 break;
 705         case VIAWGET_HOSTAPD_GET_ENCRYPTION:
 706             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_GET_ENCRYPTION \n");
 707         spin_lock_irq(&pDevice->lock);
 708                 ret = hostap_get_encryption(pDevice, param, p->length);
 709         spin_unlock_irq(&pDevice->lock);
 710                 break;
 711         case VIAWGET_HOSTAPD_SET_ASSOC_AP_ADDR:
 712             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_ASSOC_AP_ADDR \n");
 713                 ret = -EOPNOTSUPP;
 714                 goto out;
 715         case VIAWGET_HOSTAPD_FLUSH:
 716             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_FLUSH \n");
 717         spin_lock_irq(&pDevice->lock);
 718         hostap_flush_sta(pDevice);
 719         spin_unlock_irq(&pDevice->lock);
 720                 break;
 721         case VIAWGET_HOSTAPD_ADD_STA:
 722             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_ADD_STA \n");
 723          spin_lock_irq(&pDevice->lock);
 724                  ret = hostap_add_sta(pDevice, param);
 725          spin_unlock_irq(&pDevice->lock);
 726                 break;
 727         case VIAWGET_HOSTAPD_REMOVE_STA:
 728             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_REMOVE_STA \n");
 729          spin_lock_irq(&pDevice->lock);
 730                  ret = hostap_remove_sta(pDevice, param);
 731          spin_unlock_irq(&pDevice->lock);
 732                 break;
 733         case VIAWGET_HOSTAPD_GET_INFO_STA:
 734             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_GET_INFO_STA \n");
 735                  ret = hostap_get_info_sta(pDevice, param);
 736                  ap_ioctl = 1;
 737                 break;
 738         case VIAWGET_HOSTAPD_SET_FLAGS_STA:
 739             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_FLAGS_STA \n");
 740                  ret = hostap_set_flags_sta(pDevice, param);
 741                 break;
 742
 743         case VIAWGET_HOSTAPD_MLME:
 744             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_MLME \n");
 745             return -EOPNOTSUPP;
 746
 747         case VIAWGET_HOSTAPD_SET_GENERIC_ELEMENT:
 748             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_GENERIC_ELEMENT \n");
 749                 ret = hostap_set_generic_element(pDevice, param);
 750                 break;
 751
 752         case VIAWGET_HOSTAPD_SCAN_REQ:
 753             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SCAN_REQ \n");
 754             return -EOPNOTSUPP;
 755
 756         case VIAWGET_HOSTAPD_STA_CLEAR_STATS:
 757             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_STA_CLEAR_STATS \n");
 758             ret = -EOPNOTSUPP;
 759             goto out;
 760         default:
 761             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "vt6656_hostap_ioctl: unknown cmd=%d\n",
 762                        (int)param->cmd);
 763                 ret = -EOPNOTSUPP;
 764                 goto out;
 765         }
 766
 767         if ((ret == 0) && ap_ioctl) {
 768                 if (copy_to_user(p->pointer, param, p->length)) {
 769                         ret = -EFAULT;
 770                         goto out;
 771                 }
 772         }
 773
 774  out:
 775         kfree(param);
 776
 777         return ret;
 778 }
 779