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         free_netdev(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  * Description:
 147  *      Set enable/disable hostapd mode
 148  *
 149  * Parameters:
 150  *  In:
 151  *      pDevice             -
 152  *      rtnl_locked         -
 153  *  Out:
 154  *
 155  * Return Value:
 156  *
 157  */
 158
 159 int vt6656_hostap_set_hostapd(struct vnt_private *pDevice,
 160         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  * Description:
 178  *      remove station function supported for hostap daemon
 179  *
 180  * Parameters:
 181  *  In:
 182  *      pDevice   -
 183  *      param     -
 184  *  Out:
 185  *
 186  * Return Value:
 187  *
 188  */
 189 static int hostap_remove_sta(struct vnt_private *pDevice,
 190         struct viawget_hostapd_param *param)
 191 {
 192         unsigned int uNodeIndex;
 193
 194     if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &uNodeIndex)) {
 195         BSSvRemoveOneNode(pDevice, uNodeIndex);
 196     }
 197     else {
 198         return -ENOENT;
 199     }
 200         return 0;
 201 }
 202
 203 /*
 204  * Description:
 205  *      add a station from hostap daemon
 206  *
 207  * Parameters:
 208  *  In:
 209  *      pDevice   -
 210  *      param     -
 211  *  Out:
 212  *
 213  * Return Value:
 214  *
 215  */
 216 static int hostap_add_sta(struct vnt_private *pDevice,
 217         struct viawget_hostapd_param *param)
 218 {
 219         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
 220         unsigned int uNodeIndex;
 221
 222         if (!BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &uNodeIndex))
 223                 BSSvCreateOneNode(pDevice, &uNodeIndex);
 224
 225     memcpy(pMgmt->sNodeDBTable[uNodeIndex].abyMACAddr, param->sta_addr, WLAN_ADDR_LEN);
 226     pMgmt->sNodeDBTable[uNodeIndex].eNodeState = NODE_ASSOC;
 227     pMgmt->sNodeDBTable[uNodeIndex].wCapInfo = param->u.add_sta.capability;
 228 // TODO listenInterval
 229 //    pMgmt->sNodeDBTable[uNodeIndex].wListenInterval = 1;
 230     pMgmt->sNodeDBTable[uNodeIndex].bPSEnable = false;
 231     pMgmt->sNodeDBTable[uNodeIndex].bySuppRate = param->u.add_sta.tx_supp_rates;
 232
 233     // set max tx rate
 234     pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate =
 235            pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate;
 236     // set max basic rate
 237     pMgmt->sNodeDBTable[uNodeIndex].wMaxBasicRate = RATE_2M;
 238     // Todo: check sta preamble, if ap can't support, set status code
 239     pMgmt->sNodeDBTable[uNodeIndex].bShortPreamble =
 240             WLAN_GET_CAP_INFO_SHORTPREAMBLE(pMgmt->sNodeDBTable[uNodeIndex].wCapInfo);
 241
 242     pMgmt->sNodeDBTable[uNodeIndex].wAID = (u16)param->u.add_sta.aid;
 243
 244     pMgmt->sNodeDBTable[uNodeIndex].ulLastRxJiffer = jiffies;
 245
 246     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Add STA AID= %d \n", pMgmt->sNodeDBTable[uNodeIndex].wAID);
 247     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "MAC=%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X \n",
 248                param->sta_addr[0],
 249                param->sta_addr[1],
 250                param->sta_addr[2],
 251                param->sta_addr[3],
 252                param->sta_addr[4],
 253                param->sta_addr[5]
 254               ) ;
 255     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Max Support rate = %d \n",
 256                pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate);
 257
 258         return 0;
 259 }
 260
 261 /*
 262  * Description:
 263  *      get station info
 264  *
 265  * Parameters:
 266  *  In:
 267  *      pDevice   -
 268  *      param     -
 269  *  Out:
 270  *
 271  * Return Value:
 272  *
 273  */
 274
 275 static int hostap_get_info_sta(struct vnt_private *pDevice,
 276         struct viawget_hostapd_param *param)
 277 {
 278         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
 279         unsigned int uNodeIndex;
 280
 281     if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &uNodeIndex)) {
 282             param->u.get_info_sta.inactive_sec =
 283                 (jiffies - pMgmt->sNodeDBTable[uNodeIndex].ulLastRxJiffer) / HZ;
 284
 285             //param->u.get_info_sta.txexc = pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts;
 286         }
 287         else {
 288             return -ENOENT;
 289         }
 290
 291         return 0;
 292 }
 293
 294 /*
 295  * Description:
 296  *      set station flag
 297  *
 298  * Parameters:
 299  *  In:
 300  *      pDevice   -
 301  *      param     -
 302  *  Out:
 303  *
 304  * Return Value:
 305  *
 306  */
 307 static int hostap_set_flags_sta(struct vnt_private *pDevice,
 308                 struct viawget_hostapd_param *param)
 309 {
 310         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
 311         unsigned int uNodeIndex;
 312
 313     if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &uNodeIndex)) {
 314                 pMgmt->sNodeDBTable[uNodeIndex].dwFlags |= param->u.set_flags_sta.flags_or;
 315                 pMgmt->sNodeDBTable[uNodeIndex].dwFlags &= param->u.set_flags_sta.flags_and;
 316                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " dwFlags = %x\n",
 317                         (unsigned int) pMgmt->sNodeDBTable[uNodeIndex].dwFlags);
 318         }
 319         else {
 320             return -ENOENT;
 321         }
 322
 323         return 0;
 324 }
 325
 326 /*
 327  * Description:
 328  *      set generic element (wpa ie)
 329  *
 330  * Parameters:
 331  *  In:
 332  *      pDevice   -
 333  *      param     -
 334  *  Out:
 335  *
 336  * Return Value:
 337  *
 338  */
 339 static int hostap_set_generic_element(struct vnt_private *pDevice,
 340                                         struct viawget_hostapd_param *param)
 341 {
 342         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
 343
 344     memcpy( pMgmt->abyWPAIE,
 345             param->u.generic_elem.data,
 346             param->u.generic_elem.len
 347            );
 348
 349     pMgmt->wWPAIELen =  param->u.generic_elem.len;
 350
 351     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pMgmt->wWPAIELen = %d\n",  pMgmt->wWPAIELen);
 352
 353     // disable wpa
 354     if (pMgmt->wWPAIELen == 0) {
 355         pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
 356                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " No WPAIE, Disable WPA \n");
 357     } else  {
 358         // enable wpa
 359         if ((pMgmt->abyWPAIE[0] == WLAN_EID_RSN_WPA) ||
 360              (pMgmt->abyWPAIE[0] == WLAN_EID_RSN)) {
 361               pMgmt->eAuthenMode = WMAC_AUTH_WPANONE;
 362                DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Set WPAIE enable WPA\n");
 363         } else
 364             return -EINVAL;
 365     }
 366
 367         return 0;
 368 }
 369
 370 /*
 371  * Description:
 372  *      flush station nodes table.
 373  *
 374  * Parameters:
 375  *  In:
 376  *      pDevice   -
 377  *  Out:
 378  *
 379  * Return Value:
 380  *
 381  */
 382
 383 static void hostap_flush_sta(struct vnt_private *pDevice)
 384 {
 385     // reserved node index =0 for multicast node.
 386     BSSvClearNodeDBTable(pDevice, 1);
 387     pDevice->uAssocCount = 0;
 388
 389     return;
 390 }
 391
 392 /*
 393  * Description:
 394  *      set each stations encryption key
 395  *
 396  * Parameters:
 397  *  In:
 398  *      pDevice   -
 399  *      param     -
 400  *  Out:
 401  *
 402  * Return Value:
 403  *
 404  */
 405 static int hostap_set_encryption(struct vnt_private *pDevice,
 406         struct viawget_hostapd_param *param, int param_len)
 407 {
 408         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
 409         u32 dwKeyIndex = 0;
 410         u8 abyKey[MAX_KEY_LEN];
 411         u8 abySeq[MAX_KEY_LEN];
 412         NDIS_802_11_KEY_RSC   KeyRSC;
 413         u8 byKeyDecMode = KEY_CTL_WEP;
 414         int ret = 0;
 415         s32 iNodeIndex = -1;
 416         int ii;
 417         int bKeyTableFull = false;
 418         u16 wKeyCtl = 0;
 419
 420         param->u.crypt.err = 0;
 421
 422         if (param->u.crypt.alg > WPA_ALG_CCMP)
 423                 return -EINVAL;
 424
 425         if ((param->u.crypt.idx > 3) || (param->u.crypt.key_len > MAX_KEY_LEN)) {
 426                 param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
 427                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " HOSTAP_CRYPT_ERR_KEY_SET_FAILED\n");
 428                 return -EINVAL;
 429         }
 430
 431         if (is_broadcast_ether_addr(param->sta_addr)) {
 432                 if (param->u.crypt.idx >= MAX_GROUP_KEY)
 433                         return -EINVAL;
 434         iNodeIndex = 0;
 435
 436         } else {
 437             if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &iNodeIndex) == false) {
 438                 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
 439             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " HOSTAP_CRYPT_ERR_UNKNOWN_ADDR\n");
 440                 return -EINVAL;
 441             }
 442         }
 443     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " hostap_set_encryption: sta_index %d \n", iNodeIndex);
 444     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " hostap_set_encryption: alg %d \n", param->u.crypt.alg);
 445
 446         if (param->u.crypt.alg == WPA_ALG_NONE) {
 447
 448         if (pMgmt->sNodeDBTable[iNodeIndex].bOnFly == true) {
 449             if (KeybRemoveKey( pDevice,
 450                                &(pDevice->sKey),
 451                                param->sta_addr,
 452                                pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex
 453                               ) == false) {
 454                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "KeybRemoveKey fail \n");
 455             }
 456             pMgmt->sNodeDBTable[iNodeIndex].bOnFly = false;
 457         }
 458         pMgmt->sNodeDBTable[iNodeIndex].byKeyIndex = 0;
 459         pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex = 0;
 460         pMgmt->sNodeDBTable[iNodeIndex].uWepKeyLength = 0;
 461         pMgmt->sNodeDBTable[iNodeIndex].KeyRSC = 0;
 462         pMgmt->sNodeDBTable[iNodeIndex].dwTSC47_16 = 0;
 463         pMgmt->sNodeDBTable[iNodeIndex].wTSC15_0 = 0;
 464         pMgmt->sNodeDBTable[iNodeIndex].byCipherSuite = 0;
 465         memset(&pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[0],
 466                 0,
 467                 MAX_KEY_LEN
 468                );
 469
 470         return ret;
 471         }
 472
 473     memcpy(abyKey, param->u.crypt.key, param->u.crypt.key_len);
 474     // copy to node key tbl
 475     pMgmt->sNodeDBTable[iNodeIndex].byKeyIndex = param->u.crypt.idx;
 476     pMgmt->sNodeDBTable[iNodeIndex].uWepKeyLength = param->u.crypt.key_len;
 477     memcpy(&pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[0],
 478             param->u.crypt.key,
 479             param->u.crypt.key_len
 480            );
 481
 482     dwKeyIndex = (u32)(param->u.crypt.idx);
 483     if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
 484         pDevice->byKeyIndex = (u8)dwKeyIndex;
 485         pDevice->bTransmitKey = true;
 486         dwKeyIndex |= (1 << 31);
 487     }
 488
 489         if (param->u.crypt.alg == WPA_ALG_WEP) {
 490
 491         if ((pDevice->bEnable8021x == false) || (iNodeIndex == 0)) {
 492             KeybSetDefaultKey(  pDevice,
 493                                 &(pDevice->sKey),
 494                                 dwKeyIndex & ~(BIT30 | USE_KEYRSC),
 495                                 param->u.crypt.key_len,
 496                                 NULL,
 497                                 abyKey,
 498                                 KEY_CTL_WEP
 499                              );
 500
 501         } else {
 502             // 8021x enable, individual key
 503             dwKeyIndex |= (1 << 30); // set pairwise key
 504                 if (KeybSetKey(pDevice, &(pDevice->sKey),
 505                         &param->sta_addr[0],
 506                         dwKeyIndex & ~(USE_KEYRSC),
 507                         param->u.crypt.key_len,
 508                         &KeyRSC, (u8 *)abyKey,
 509                         KEY_CTL_WEP
 510                            ) == true) {
 511
 512                 pMgmt->sNodeDBTable[iNodeIndex].bOnFly = true;
 513
 514             } else {
 515                 // Key Table Full
 516                 pMgmt->sNodeDBTable[iNodeIndex].bOnFly = false;
 517                 bKeyTableFull = true;
 518             }
 519         }
 520         pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
 521         pDevice->bEncryptionEnable = true;
 522         pMgmt->byCSSPK = KEY_CTL_WEP;
 523         pMgmt->byCSSGK = KEY_CTL_WEP;
 524         pMgmt->sNodeDBTable[iNodeIndex].byCipherSuite = KEY_CTL_WEP;
 525         pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex = dwKeyIndex;
 526         return ret;
 527         }
 528
 529         if (param->u.crypt.seq) {
 530             memcpy(&abySeq, param->u.crypt.seq, 8);
 531                 for (ii = 0 ; ii < 8 ; ii++)
 532                         KeyRSC |= (unsigned long)abySeq[ii] << (ii * 8);
 533
 534                 dwKeyIndex |= 1 << 29;
 535                 pMgmt->sNodeDBTable[iNodeIndex].KeyRSC = KeyRSC;
 536         }
 537
 538         if (param->u.crypt.alg == WPA_ALG_TKIP) {
 539             if (param->u.crypt.key_len != MAX_KEY_LEN)
 540                 return -EINVAL;
 541             pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
 542         byKeyDecMode = KEY_CTL_TKIP;
 543         pMgmt->byCSSPK = KEY_CTL_TKIP;
 544         pMgmt->byCSSGK = KEY_CTL_TKIP;
 545         }
 546
 547         if (param->u.crypt.alg == WPA_ALG_CCMP) {
 548             if ((param->u.crypt.key_len != AES_KEY_LEN) ||
 549                 (pDevice->byLocalID <= REV_ID_VT3253_A1))
 550                 return -EINVAL;
 551         pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
 552         byKeyDecMode = KEY_CTL_CCMP;
 553         pMgmt->byCSSPK = KEY_CTL_CCMP;
 554         pMgmt->byCSSGK = KEY_CTL_CCMP;
 555     }
 556
 557     if (iNodeIndex == 0) {
 558        KeybSetDefaultKey(  pDevice,
 559                            &(pDevice->sKey),
 560                            dwKeyIndex,
 561                            param->u.crypt.key_len,
 562                         &KeyRSC,
 563                            abyKey,
 564                            byKeyDecMode
 565                           );
 566        pMgmt->sNodeDBTable[iNodeIndex].bOnFly = true;
 567
 568     } else {
 569         dwKeyIndex |= (1 << 30); // set pairwise key
 570         if (KeybSetKey(pDevice,
 571                        &(pDevice->sKey),
 572                        &param->sta_addr[0],
 573                        dwKeyIndex,
 574                        param->u.crypt.key_len,
 575                         &KeyRSC,
 576                        (u8 *)abyKey,
 577                         byKeyDecMode
 578                        ) == true) {
 579
 580             pMgmt->sNodeDBTable[iNodeIndex].bOnFly = true;
 581
 582         } else {
 583             // Key Table Full
 584             pMgmt->sNodeDBTable[iNodeIndex].bOnFly = false;
 585             bKeyTableFull = true;
 586             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " Key Table Full\n");
 587         }
 588
 589     }
 590
 591     if (bKeyTableFull == true) {
 592         wKeyCtl &= 0x7F00;              // clear all key control filed
 593         wKeyCtl |= (byKeyDecMode << 4);
 594         wKeyCtl |= (byKeyDecMode);
 595         wKeyCtl |= 0x0044;              // use group key for all address
 596         wKeyCtl |= 0x4000;              // disable KeyTable[MAX_KEY_TABLE-1] on-fly to genernate rx int
 597 // Todo.. xxxxxx
 598         //MACvSetDefaultKeyCtl(pDevice->PortOffset, wKeyCtl, MAX_KEY_TABLE-1, pDevice->byLocalID);
 599     }
 600
 601     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " Set key sta_index= %d \n", iNodeIndex);
 602     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " tx_index=%d len=%d \n", param->u.crypt.idx,
 603                param->u.crypt.key_len );
 604     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " key=%x-%x-%x-%x-%x-xxxxx \n",
 605                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[0],
 606                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[1],
 607                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[2],
 608                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[3],
 609                pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[4]
 610               );
 611
 612         // set wep key
 613     pDevice->bEncryptionEnable = true;
 614     pMgmt->sNodeDBTable[iNodeIndex].byCipherSuite = byKeyDecMode;
 615     pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex = dwKeyIndex;
 616     pMgmt->sNodeDBTable[iNodeIndex].dwTSC47_16 = 0;
 617     pMgmt->sNodeDBTable[iNodeIndex].wTSC15_0 = 0;
 618
 619         return ret;
 620 }
 621
 622 /*
 623  * Description:
 624  *      get each stations encryption key
 625  *
 626  * Parameters:
 627  *  In:
 628  *      pDevice   -
 629  *      param     -
 630  *  Out:
 631  *
 632  * Return Value:
 633  *
 634  */
 635 static int hostap_get_encryption(struct vnt_private *pDevice,
 636                                        struct viawget_hostapd_param *param,
 637                                        int param_len)
 638 {
 639         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
 640         int ret = 0;
 641         int ii;
 642         s32 iNodeIndex = 0;
 643
 644         param->u.crypt.err = 0;
 645
 646         if (is_broadcast_ether_addr(param->sta_addr)) {
 647         iNodeIndex = 0;
 648         } else {
 649             if (BSSbIsSTAInNodeDB(pDevice, param->sta_addr, &iNodeIndex) == false) {
 650                 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
 651             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "hostap_get_encryption: HOSTAP_CRYPT_ERR_UNKNOWN_ADDR\n");
 652                 return -EINVAL;
 653             }
 654         }
 655         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "hostap_get_encryption: %d\n", iNodeIndex);
 656     memset(param->u.crypt.seq, 0, 8);
 657     for (ii = 0 ; ii < 8 ; ii++) {
 658         param->u.crypt.seq[ii] = (u8)pMgmt->sNodeDBTable[iNodeIndex].KeyRSC >> (ii * 8);
 659     }
 660
 661         return ret;
 662 }
 663
 664 /*
 665  * Description:
 666  *      vt6656_hostap_ioctl main function supported for hostap daemon.
 667  *
 668  * Parameters:
 669  *  In:
 670  *      pDevice   -
 671  *      iw_point  -
 672  *  Out:
 673  *
 674  * Return Value:
 675  *
 676  */
 677
 678 int vt6656_hostap_ioctl(struct vnt_private *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, (int)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
 742         case VIAWGET_HOSTAPD_MLME:
 743             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_MLME \n");
 744             return -EOPNOTSUPP;
 745
 746         case VIAWGET_HOSTAPD_SET_GENERIC_ELEMENT:
 747             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_GENERIC_ELEMENT \n");
 748                 ret = hostap_set_generic_element(pDevice, param);
 749                 break;
 750
 751         case VIAWGET_HOSTAPD_SCAN_REQ:
 752             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SCAN_REQ \n");
 753             return -EOPNOTSUPP;
 754
 755         case VIAWGET_HOSTAPD_STA_CLEAR_STATS:
 756             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_STA_CLEAR_STATS \n");
 757             ret = -EOPNOTSUPP;
 758             goto out;
 759         default:
 760             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "vt6656_hostap_ioctl: unknown cmd=%d\n",
 761                        (int)param->cmd);
 762                 ret = -EOPNOTSUPP;
 763                 goto out;
 764         }
 765
 766         if ((ret == 0) && ap_ioctl) {
 767                 if (copy_to_user(p->pointer, param, p->length)) {
 768                         ret = -EFAULT;
 769                         goto out;
 770                 }
 771         }
 772
 773  out:
 774         kfree(param);
 775
 776         return ret;
 777 }
 778