drivers/staging/vt6655/dpc.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: dpc.c
  20  *
  21  * Purpose: handle dpc rx functions
  22  *
  23  * Author: Lyndon Chen
  24  *
  25  * Date: May 20, 2003
  26  *
  27  * Functions:
  28  *      device_receive_frame - Rcv 802.11 frame function
  29  *      s_bAPModeRxCtl- AP Rcv frame filer Ctl.
  30  *      s_bAPModeRxData- AP Rcv data frame handle
  31  *      s_bHandleRxEncryption- Rcv decrypted data via on-fly
  32  *      s_bHostWepRxEncryption- Rcv encrypted data via host
  33  *      s_byGetRateIdx- get rate index
  34  *      s_vGetDASA- get data offset
  35  *      s_vProcessRxMACHeader- Rcv 802.11 and translate to 802.3
  36  *
  37  * Revision History:
  38  *
  39  */
  40
  41 #include "device.h"
  42 #include "rxtx.h"
  43 #include "tether.h"
  44 #include "card.h"
  45 #include "bssdb.h"
  46 #include "mac.h"
  47 #include "baseband.h"
  48 #include "michael.h"
  49 #include "tkip.h"
  50 #include "tcrc.h"
  51 #include "wctl.h"
  52 #include "wroute.h"
  53 #include "hostap.h"
  54 #include "rf.h"
  55 #include "iowpa.h"
  56 #include "aes_ccmp.h"
  57
  58 //#define       PLICE_DEBUG
  59
  60
  61 /*---------------------  Static Definitions -------------------------*/
  62
  63 /*---------------------  Static Classes  ----------------------------*/
  64
  65 /*---------------------  Static Variables  --------------------------*/
  66 //static int          msglevel                =MSG_LEVEL_DEBUG;
  67 static int          msglevel                =MSG_LEVEL_INFO;
  68
  69 const unsigned char acbyRxRate[MAX_RATE] =
  70 {2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108};
  71
  72
  73 /*---------------------  Static Functions  --------------------------*/
  74
  75 /*---------------------  Static Definitions -------------------------*/
  76
  77 /*---------------------  Static Functions  --------------------------*/
  78
  79 static unsigned char s_byGetRateIdx(unsigned char byRate);
  80
  81
  82 static void
  83 s_vGetDASA(unsigned char *pbyRxBufferAddr, unsigned int *pcbHeaderSize,
  84                 PSEthernetHeader psEthHeader);
  85
  86 static void
  87 s_vProcessRxMACHeader(PSDevice pDevice, unsigned char *pbyRxBufferAddr,
  88                 unsigned int cbPacketSize, bool bIsWEP, bool bExtIV,
  89                 unsigned int *pcbHeadSize);
  90
  91 static bool s_bAPModeRxCtl(
  92     PSDevice pDevice,
  93     unsigned char *pbyFrame,
  94     int      iSANodeIndex
  95     );
  96
  97
  98
  99 static bool s_bAPModeRxData (
 100     PSDevice pDevice,
 101     struct sk_buff* skb,
 102     unsigned int FrameSize,
 103     unsigned int cbHeaderOffset,
 104     int      iSANodeIndex,
 105     int      iDANodeIndex
 106     );
 107
 108
 109 static bool s_bHandleRxEncryption(
 110     PSDevice     pDevice,
 111     unsigned char *pbyFrame,
 112     unsigned int FrameSize,
 113     unsigned char *pbyRsr,
 114     unsigned char *pbyNewRsr,
 115     PSKeyItem   *pKeyOut,
 116     bool *pbExtIV,
 117     unsigned short *pwRxTSC15_0,
 118     unsigned long *pdwRxTSC47_16
 119     );
 120
 121 static bool s_bHostWepRxEncryption(
 122
 123     PSDevice     pDevice,
 124     unsigned char *pbyFrame,
 125     unsigned int FrameSize,
 126     unsigned char *pbyRsr,
 127     bool bOnFly,
 128     PSKeyItem    pKey,
 129     unsigned char *pbyNewRsr,
 130     bool *pbExtIV,
 131     unsigned short *pwRxTSC15_0,
 132     unsigned long *pdwRxTSC47_16
 133
 134     );
 135
 136 /*---------------------  Export Variables  --------------------------*/
 137
 138 /*+
 139  *
 140  * Description:
 141  *    Translate Rcv 802.11 header to 802.3 header with Rx buffer
 142  *
 143  * Parameters:
 144  *  In:
 145  *      pDevice
 146  *      dwRxBufferAddr  - Address of Rcv Buffer
 147  *      cbPacketSize    - Rcv Packet size
 148  *      bIsWEP          - If Rcv with WEP
 149  *  Out:
 150  *      pcbHeaderSize   - 802.11 header size
 151  *
 152  * Return Value: None
 153  *
 154 -*/
 155 static void
 156 s_vProcessRxMACHeader(PSDevice pDevice, unsigned char *pbyRxBufferAddr,
 157                 unsigned int cbPacketSize, bool bIsWEP, bool bExtIV,
 158                 unsigned int *pcbHeadSize)
 159 {
 160     unsigned char *pbyRxBuffer;
 161     unsigned int cbHeaderSize = 0;
 162     unsigned short *pwType;
 163     PS802_11Header  pMACHeader;
 164     int             ii;
 165
 166
 167     pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize);
 168
 169     s_vGetDASA((unsigned char *)pMACHeader, &cbHeaderSize, &pDevice->sRxEthHeader);
 170
 171     if (bIsWEP) {
 172         if (bExtIV) {
 173             // strip IV&ExtIV , add 8 byte
 174             cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 8);
 175         } else {
 176             // strip IV , add 4 byte
 177             cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 4);
 178         }
 179     }
 180     else {
 181         cbHeaderSize += WLAN_HDR_ADDR3_LEN;
 182     };
 183
 184     pbyRxBuffer = (unsigned char *) (pbyRxBufferAddr + cbHeaderSize);
 185     if (!compare_ether_addr(pbyRxBuffer, &pDevice->abySNAP_Bridgetunnel[0])) {
 186         cbHeaderSize += 6;
 187     }
 188     else if (!compare_ether_addr(pbyRxBuffer, &pDevice->abySNAP_RFC1042[0])) {
 189         cbHeaderSize += 6;
 190         pwType = (unsigned short *) (pbyRxBufferAddr + cbHeaderSize);
 191         if ((*pwType!= TYPE_PKT_IPX) && (*pwType != cpu_to_le16(0xF380))) {
 192         }
 193         else {
 194             cbHeaderSize -= 8;
 195             pwType = (unsigned short *) (pbyRxBufferAddr + cbHeaderSize);
 196             if (bIsWEP) {
 197                 if (bExtIV) {
 198                     *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8);    // 8 is IV&ExtIV
 199                 } else {
 200                     *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4);    // 4 is IV
 201                 }
 202             }
 203             else {
 204                 *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN);
 205             }
 206         }
 207     }
 208     else {
 209         cbHeaderSize -= 2;
 210         pwType = (unsigned short *) (pbyRxBufferAddr + cbHeaderSize);
 211         if (bIsWEP) {
 212             if (bExtIV) {
 213                 *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8);    // 8 is IV&ExtIV
 214             } else {
 215                 *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4);    // 4 is IV
 216             }
 217         }
 218         else {
 219             *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN);
 220         }
 221     }
 222
 223     cbHeaderSize -= (ETH_ALEN * 2);
 224     pbyRxBuffer = (unsigned char *) (pbyRxBufferAddr + cbHeaderSize);
 225     for(ii=0;ii<ETH_ALEN;ii++)
 226         *pbyRxBuffer++ = pDevice->sRxEthHeader.abyDstAddr[ii];
 227     for(ii=0;ii<ETH_ALEN;ii++)
 228         *pbyRxBuffer++ = pDevice->sRxEthHeader.abySrcAddr[ii];
 229
 230     *pcbHeadSize = cbHeaderSize;
 231 }
 232
 233
 234
 235
 236 static unsigned char s_byGetRateIdx (unsigned char byRate)
 237 {
 238     unsigned char byRateIdx;
 239
 240     for (byRateIdx = 0; byRateIdx <MAX_RATE ; byRateIdx++) {
 241         if (acbyRxRate[byRateIdx%MAX_RATE] == byRate)
 242             return byRateIdx;
 243     }
 244     return 0;
 245 }
 246
 247
 248 static void
 249 s_vGetDASA(unsigned char *pbyRxBufferAddr, unsigned int *pcbHeaderSize,
 250         PSEthernetHeader psEthHeader)
 251 {
 252     unsigned int cbHeaderSize = 0;
 253     PS802_11Header  pMACHeader;
 254     int             ii;
 255
 256     pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize);
 257
 258     if ((pMACHeader->wFrameCtl & FC_TODS) == 0) {
 259         if (pMACHeader->wFrameCtl & FC_FROMDS) {
 260             for(ii=0;ii<ETH_ALEN;ii++) {
 261                 psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii];
 262                 psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr3[ii];
 263             }
 264         }
 265         else {
 266             // IBSS mode
 267             for(ii=0;ii<ETH_ALEN;ii++) {
 268                 psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii];
 269                 psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii];
 270             }
 271         }
 272     }
 273     else {
 274         // Is AP mode..
 275         if (pMACHeader->wFrameCtl & FC_FROMDS) {
 276             for(ii=0;ii<ETH_ALEN;ii++) {
 277                 psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii];
 278                 psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr4[ii];
 279                 cbHeaderSize += 6;
 280             }
 281         }
 282         else {
 283             for(ii=0;ii<ETH_ALEN;ii++) {
 284                 psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii];
 285                 psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii];
 286             }
 287         }
 288     };
 289     *pcbHeaderSize = cbHeaderSize;
 290 }
 291
 292
 293
 294
 295 //PLICE_DEBUG ->
 296
 297 void    MngWorkItem(void *Context)
 298 {
 299         PSRxMgmtPacket                  pRxMgmtPacket;
 300         PSDevice        pDevice =  (PSDevice) Context;
 301         //printk("Enter MngWorkItem,Queue packet num is %d\n",pDevice->rxManeQueue.packet_num);
 302         spin_lock_irq(&pDevice->lock);
 303          while(pDevice->rxManeQueue.packet_num != 0)
 304          {
 305                  pRxMgmtPacket =  DeQueue(pDevice);
 306                         vMgrRxManagePacket(pDevice, pDevice->pMgmt, pRxMgmtPacket);
 307         }
 308         spin_unlock_irq(&pDevice->lock);
 309 }
 310
 311
 312 //PLICE_DEBUG<-
 313
 314
 315
 316 bool
 317 device_receive_frame (
 318     PSDevice pDevice,
 319     PSRxDesc pCurrRD
 320     )
 321 {
 322
 323     PDEVICE_RD_INFO  pRDInfo = pCurrRD->pRDInfo;
 324 #ifdef  PLICE_DEBUG
 325         //printk("device_receive_frame:pCurrRD is %x,pRDInfo is %x\n",pCurrRD,pCurrRD->pRDInfo);
 326 #endif
 327     struct net_device_stats* pStats=&pDevice->stats;
 328     struct sk_buff* skb;
 329     PSMgmtObject    pMgmt = pDevice->pMgmt;
 330     PSRxMgmtPacket  pRxPacket = &(pDevice->pMgmt->sRxPacket);
 331     PS802_11Header  p802_11Header;
 332     unsigned char *pbyRsr;
 333     unsigned char *pbyNewRsr;
 334     unsigned char *pbyRSSI;
 335     PQWORD          pqwTSFTime;
 336     unsigned short *pwFrameSize;
 337     unsigned char *pbyFrame;
 338     bool bDeFragRx = false;
 339     bool bIsWEP = false;
 340     unsigned int cbHeaderOffset;
 341     unsigned int FrameSize;
 342     unsigned short wEtherType = 0;
 343     int             iSANodeIndex = -1;
 344     int             iDANodeIndex = -1;
 345     unsigned int ii;
 346     unsigned int cbIVOffset;
 347     bool bExtIV = false;
 348     unsigned char *pbyRxSts;
 349     unsigned char *pbyRxRate;
 350     unsigned char *pbySQ;
 351     unsigned int cbHeaderSize;
 352     PSKeyItem       pKey = NULL;
 353     unsigned short wRxTSC15_0 = 0;
 354     unsigned long dwRxTSC47_16 = 0;
 355     SKeyItem        STempKey;
 356     // 802.11h RPI
 357     unsigned long dwDuration = 0;
 358     long            ldBm = 0;
 359     long            ldBmThreshold = 0;
 360     PS802_11Header pMACHeader;
 361  bool bRxeapol_key = false;
 362
 363 //    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- device_receive_frame---\n");
 364
 365     skb = pRDInfo->skb;
 366
 367
 368 //PLICE_DEBUG->
 369 #if 1
 370         pci_unmap_single(pDevice->pcid, pRDInfo->skb_dma,
 371                      pDevice->rx_buf_sz, PCI_DMA_FROMDEVICE);
 372 #endif
 373 //PLICE_DEBUG<-
 374     pwFrameSize = (unsigned short *)(skb->data + 2);
 375     FrameSize = cpu_to_le16(pCurrRD->m_rd1RD1.wReqCount) - cpu_to_le16(pCurrRD->m_rd0RD0.wResCount);
 376
 377     // Max: 2312Payload + 30HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR
 378     // Min (ACK): 10HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR
 379     if ((FrameSize > 2364)||(FrameSize <= 32)) {
 380         // Frame Size error drop this packet.
 381         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- WRONG Length 1 \n");
 382         return false;
 383     }
 384
 385     pbyRxSts = (unsigned char *) (skb->data);
 386     pbyRxRate = (unsigned char *) (skb->data + 1);
 387     pbyRsr = (unsigned char *) (skb->data + FrameSize - 1);
 388     pbyRSSI = (unsigned char *) (skb->data + FrameSize - 2);
 389     pbyNewRsr = (unsigned char *) (skb->data + FrameSize - 3);
 390     pbySQ = (unsigned char *) (skb->data + FrameSize - 4);
 391     pqwTSFTime = (PQWORD) (skb->data + FrameSize - 12);
 392     pbyFrame = (unsigned char *)(skb->data + 4);
 393
 394     // get packet size
 395     FrameSize = cpu_to_le16(*pwFrameSize);
 396
 397     if ((FrameSize > 2346)|(FrameSize < 14)) { // Max: 2312Payload + 30HD +4CRC
 398                                                // Min: 14 bytes ACK
 399         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- WRONG Length 2 \n");
 400         return false;
 401     }
 402 //PLICE_DEBUG->
 403 #if 1
 404         // update receive statistic counter
 405     STAvUpdateRDStatCounter(&pDevice->scStatistic,
 406                             *pbyRsr,
 407                             *pbyNewRsr,
 408                             *pbyRxRate,
 409                             pbyFrame,
 410                             FrameSize);
 411
 412 #endif
 413
 414   pMACHeader=(PS802_11Header)((unsigned char *) (skb->data)+8);
 415 //PLICE_DEBUG<-
 416         if (pDevice->bMeasureInProgress == true) {
 417         if ((*pbyRsr & RSR_CRCOK) != 0) {
 418             pDevice->byBasicMap |= 0x01;
 419         }
 420         dwDuration = (FrameSize << 4);
 421         dwDuration /= acbyRxRate[*pbyRxRate%MAX_RATE];
 422         if (*pbyRxRate <= RATE_11M) {
 423             if (*pbyRxSts & 0x01) {
 424                 // long preamble
 425                 dwDuration += 192;
 426             } else {
 427                 // short preamble
 428                 dwDuration += 96;
 429             }
 430         } else {
 431             dwDuration += 16;
 432         }
 433         RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm);
 434         ldBmThreshold = -57;
 435         for (ii = 7; ii > 0;) {
 436             if (ldBm > ldBmThreshold) {
 437                 break;
 438             }
 439             ldBmThreshold -= 5;
 440             ii--;
 441         }
 442         pDevice->dwRPIs[ii] += dwDuration;
 443         return false;
 444     }
 445
 446     if (!is_multicast_ether_addr(pbyFrame)) {
 447         if (WCTLbIsDuplicate(&(pDevice->sDupRxCache), (PS802_11Header) (skb->data + 4))) {
 448             pDevice->s802_11Counter.FrameDuplicateCount++;
 449             return false;
 450         }
 451     }
 452
 453
 454     // Use for TKIP MIC
 455     s_vGetDASA(skb->data+4, &cbHeaderSize, &pDevice->sRxEthHeader);
 456
 457     // filter packet send from myself
 458     if (!compare_ether_addr((unsigned char *)&(pDevice->sRxEthHeader.abySrcAddr[0]), pDevice->abyCurrentNetAddr))
 459         return false;
 460
 461     if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) || (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)) {
 462         if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) {
 463             p802_11Header = (PS802_11Header) (pbyFrame);
 464             // get SA NodeIndex
 465             if (BSSDBbIsSTAInNodeDB(pMgmt, (unsigned char *)(p802_11Header->abyAddr2), &iSANodeIndex)) {
 466                 pMgmt->sNodeDBTable[iSANodeIndex].ulLastRxJiffer = jiffies;
 467                 pMgmt->sNodeDBTable[iSANodeIndex].uInActiveCount = 0;
 468             }
 469         }
 470     }
 471
 472     if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
 473         if (s_bAPModeRxCtl(pDevice, pbyFrame, iSANodeIndex) == true) {
 474             return false;
 475         }
 476     }
 477
 478
 479     if (IS_FC_WEP(pbyFrame)) {
 480         bool bRxDecryOK = false;
 481
 482         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"rx WEP pkt\n");
 483         bIsWEP = true;
 484         if ((pDevice->bEnableHostWEP) && (iSANodeIndex >= 0)) {
 485             pKey = &STempKey;
 486             pKey->byCipherSuite = pMgmt->sNodeDBTable[iSANodeIndex].byCipherSuite;
 487             pKey->dwKeyIndex = pMgmt->sNodeDBTable[iSANodeIndex].dwKeyIndex;
 488             pKey->uKeyLength = pMgmt->sNodeDBTable[iSANodeIndex].uWepKeyLength;
 489             pKey->dwTSC47_16 = pMgmt->sNodeDBTable[iSANodeIndex].dwTSC47_16;
 490             pKey->wTSC15_0 = pMgmt->sNodeDBTable[iSANodeIndex].wTSC15_0;
 491             memcpy(pKey->abyKey,
 492                 &pMgmt->sNodeDBTable[iSANodeIndex].abyWepKey[0],
 493                 pKey->uKeyLength
 494                 );
 495
 496             bRxDecryOK = s_bHostWepRxEncryption(pDevice,
 497                                                 pbyFrame,
 498                                                 FrameSize,
 499                                                 pbyRsr,
 500                                                 pMgmt->sNodeDBTable[iSANodeIndex].bOnFly,
 501                                                 pKey,
 502                                                 pbyNewRsr,
 503                                                 &bExtIV,
 504                                                 &wRxTSC15_0,
 505                                                 &dwRxTSC47_16);
 506         } else {
 507             bRxDecryOK = s_bHandleRxEncryption(pDevice,
 508                                                 pbyFrame,
 509                                                 FrameSize,
 510                                                 pbyRsr,
 511                                                 pbyNewRsr,
 512                                                 &pKey,
 513                                                 &bExtIV,
 514                                                 &wRxTSC15_0,
 515                                                 &dwRxTSC47_16);
 516         }
 517
 518         if (bRxDecryOK) {
 519             if ((*pbyNewRsr & NEWRSR_DECRYPTOK) == 0) {
 520                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV Fail\n");
 521                 if ( (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
 522                     (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) ||
 523                     (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) ||
 524                     (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
 525                     (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
 526
 527                     if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
 528                         pDevice->s802_11Counter.TKIPICVErrors++;
 529                     } else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP)) {
 530                         pDevice->s802_11Counter.CCMPDecryptErrors++;
 531                     } else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_WEP)) {
 532 //                      pDevice->s802_11Counter.WEPICVErrorCount.QuadPart++;
 533                     }
 534                 }
 535                 return false;
 536             }
 537         } else {
 538             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"WEP Func Fail\n");
 539             return false;
 540         }
 541         if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP))
 542             FrameSize -= 8;         // Message Integrity Code
 543         else
 544             FrameSize -= 4;         // 4 is ICV
 545     }
 546
 547
 548     //
 549     // RX OK
 550     //
 551     //remove the CRC length
 552     FrameSize -= ETH_FCS_LEN;
 553
 554     if (( !(*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI))) && // unicast address
 555         (IS_FRAGMENT_PKT((skb->data+4)))
 556         ) {
 557         // defragment
 558         bDeFragRx = WCTLbHandleFragment(pDevice, (PS802_11Header) (skb->data+4), FrameSize, bIsWEP, bExtIV);
 559         pDevice->s802_11Counter.ReceivedFragmentCount++;
 560         if (bDeFragRx) {
 561             // defrag complete
 562             skb = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].skb;
 563             FrameSize = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].cbFrameLength;
 564
 565         }
 566         else {
 567             return false;
 568         }
 569     }
 570
 571
 572 // Management & Control frame Handle
 573     if ((IS_TYPE_DATA((skb->data+4))) == false) {
 574         // Handle Control & Manage Frame
 575
 576         if (IS_TYPE_MGMT((skb->data+4))) {
 577             unsigned char *pbyData1;
 578             unsigned char *pbyData2;
 579
 580             pRxPacket->p80211Header = (PUWLAN_80211HDR)(skb->data+4);
 581             pRxPacket->cbMPDULen = FrameSize;
 582             pRxPacket->uRSSI = *pbyRSSI;
 583             pRxPacket->bySQ = *pbySQ;
 584             HIDWORD(pRxPacket->qwLocalTSF) = cpu_to_le32(HIDWORD(*pqwTSFTime));
 585             LODWORD(pRxPacket->qwLocalTSF) = cpu_to_le32(LODWORD(*pqwTSFTime));
 586             if (bIsWEP) {
 587                 // strip IV
 588                 pbyData1 = WLAN_HDR_A3_DATA_PTR(skb->data+4);
 589                 pbyData2 = WLAN_HDR_A3_DATA_PTR(skb->data+4) + 4;
 590                 for (ii = 0; ii < (FrameSize - 4); ii++) {
 591                     *pbyData1 = *pbyData2;
 592                      pbyData1++;
 593                      pbyData2++;
 594                 }
 595             }
 596             pRxPacket->byRxRate = s_byGetRateIdx(*pbyRxRate);
 597             pRxPacket->byRxChannel = (*pbyRxSts) >> 2;
 598 //PLICE_DEBUG->
 599 //EnQueue(pDevice,pRxPacket);
 600
 601 #ifdef  THREAD
 602                 EnQueue(pDevice,pRxPacket);
 603
 604                 //printk("enque time is %x\n",jiffies);
 605                 //up(&pDevice->mlme_semaphore);
 606                         //Enque (pDevice->FirstRecvMngList,pDevice->LastRecvMngList,pMgmt);
 607 #else
 608
 609 #ifdef  TASK_LET
 610                 EnQueue(pDevice,pRxPacket);
 611                 tasklet_schedule(&pDevice->RxMngWorkItem);
 612 #else
 613 //printk("RxMan\n");
 614         vMgrRxManagePacket((void *)pDevice, pDevice->pMgmt, pRxPacket);
 615            //tasklet_schedule(&pDevice->RxMngWorkItem);
 616 #endif
 617
 618 #endif
 619 //PLICE_DEBUG<-
 620                         //vMgrRxManagePacket((void *)pDevice, pDevice->pMgmt, pRxPacket);
 621             // hostap Deamon handle 802.11 management
 622             if (pDevice->bEnableHostapd) {
 623                     skb->dev = pDevice->apdev;
 624                     skb->data += 4;
 625                     skb->tail += 4;
 626                      skb_put(skb, FrameSize);
 627                 skb_reset_mac_header(skb);
 628                     skb->pkt_type = PACKET_OTHERHOST;
 629                 skb->protocol = htons(ETH_P_802_2);
 630                     memset(skb->cb, 0, sizeof(skb->cb));
 631                     netif_rx(skb);
 632                 return true;
 633                 }
 634         }
 635         else {
 636             // Control Frame
 637         };
 638         return false;
 639     }
 640     else {
 641         if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
 642             //In AP mode, hw only check addr1(BSSID or RA) if equal to local MAC.
 643             if ( !(*pbyRsr & RSR_BSSIDOK)) {
 644                 if (bDeFragRx) {
 645                     if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
 646                         DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
 647                         pDevice->dev->name);
 648                     }
 649                 }
 650                 return false;
 651             }
 652         }
 653         else {
 654             // discard DATA packet while not associate || BSSID error
 655             if ((pDevice->bLinkPass == false) ||
 656                 !(*pbyRsr & RSR_BSSIDOK)) {
 657                 if (bDeFragRx) {
 658                     if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
 659                         DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
 660                         pDevice->dev->name);
 661                     }
 662                 }
 663                 return false;
 664             }
 665    //mike add:station mode check eapol-key challenge--->
 666           {
 667             unsigned char Protocol_Version;    //802.1x Authentication
 668             unsigned char Packet_Type;           //802.1x Authentication
 669               if (bIsWEP)
 670                   cbIVOffset = 8;
 671               else
 672                   cbIVOffset = 0;
 673               wEtherType = (skb->data[cbIVOffset + 8 + 24 + 6] << 8) |
 674                           skb->data[cbIVOffset + 8 + 24 + 6 + 1];
 675               Protocol_Version = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1];
 676               Packet_Type = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1];
 677              if (wEtherType == ETH_P_PAE) {         //Protocol Type in LLC-Header
 678                   if(((Protocol_Version==1) ||(Protocol_Version==2)) &&
 679                      (Packet_Type==3)) {  //802.1x OR eapol-key challenge frame receive
 680                         bRxeapol_key = true;
 681                   }
 682               }
 683           }
 684     //mike add:station mode check eapol-key challenge<---
 685         }
 686     }
 687
 688
 689 // Data frame Handle
 690
 691
 692     if (pDevice->bEnablePSMode) {
 693         if (IS_FC_MOREDATA((skb->data+4))) {
 694             if (*pbyRsr & RSR_ADDROK) {
 695                 //PSbSendPSPOLL((PSDevice)pDevice);
 696             }
 697         }
 698         else {
 699             if (pDevice->pMgmt->bInTIMWake == true) {
 700                 pDevice->pMgmt->bInTIMWake = false;
 701             }
 702         }
 703     }
 704
 705     // Now it only supports 802.11g Infrastructure Mode, and support rate must up to 54 Mbps
 706     if (pDevice->bDiversityEnable && (FrameSize>50) &&
 707         (pDevice->eOPMode == OP_MODE_INFRASTRUCTURE) &&
 708         (pDevice->bLinkPass == true)) {
 709         //printk("device_receive_frame: RxRate is %d\n",*pbyRxRate);
 710                 BBvAntennaDiversity(pDevice, s_byGetRateIdx(*pbyRxRate), 0);
 711     }
 712
 713
 714     if (pDevice->byLocalID != REV_ID_VT3253_B1) {
 715         pDevice->uCurrRSSI = *pbyRSSI;
 716     }
 717     pDevice->byCurrSQ = *pbySQ;
 718
 719     if ((*pbyRSSI != 0) &&
 720         (pMgmt->pCurrBSS!=NULL)) {
 721         RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm);
 722         // Moniter if RSSI is too strong.
 723         pMgmt->pCurrBSS->byRSSIStatCnt++;
 724         pMgmt->pCurrBSS->byRSSIStatCnt %= RSSI_STAT_COUNT;
 725         pMgmt->pCurrBSS->ldBmAverage[pMgmt->pCurrBSS->byRSSIStatCnt] = ldBm;
 726         for(ii=0;ii<RSSI_STAT_COUNT;ii++) {
 727             if (pMgmt->pCurrBSS->ldBmAverage[ii] != 0) {
 728             pMgmt->pCurrBSS->ldBmMAX = max(pMgmt->pCurrBSS->ldBmAverage[ii], ldBm);
 729             }
 730         }
 731     }
 732
 733     // -----------------------------------------------
 734
 735     if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->bEnable8021x == true)){
 736         unsigned char abyMacHdr[24];
 737
 738         // Only 802.1x packet incoming allowed
 739         if (bIsWEP)
 740             cbIVOffset = 8;
 741         else
 742             cbIVOffset = 0;
 743         wEtherType = (skb->data[cbIVOffset + 4 + 24 + 6] << 8) |
 744                     skb->data[cbIVOffset + 4 + 24 + 6 + 1];
 745
 746             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"wEtherType = %04x \n", wEtherType);
 747         if (wEtherType == ETH_P_PAE) {
 748             skb->dev = pDevice->apdev;
 749
 750             if (bIsWEP == true) {
 751                 // strip IV header(8)
 752                 memcpy(&abyMacHdr[0], (skb->data + 4), 24);
 753                 memcpy((skb->data + 4 + cbIVOffset), &abyMacHdr[0], 24);
 754             }
 755             skb->data +=  (cbIVOffset + 4);
 756             skb->tail +=  (cbIVOffset + 4);
 757             skb_put(skb, FrameSize);
 758             skb_reset_mac_header(skb);
 759
 760         skb->pkt_type = PACKET_OTHERHOST;
 761             skb->protocol = htons(ETH_P_802_2);
 762             memset(skb->cb, 0, sizeof(skb->cb));
 763             netif_rx(skb);
 764             return true;
 765
 766 }
 767         // check if 802.1x authorized
 768         if (!(pMgmt->sNodeDBTable[iSANodeIndex].dwFlags & WLAN_STA_AUTHORIZED))
 769             return false;
 770     }
 771
 772
 773     if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
 774         if (bIsWEP) {
 775             FrameSize -= 8;  //MIC
 776         }
 777     }
 778
 779     //--------------------------------------------------------------------------------
 780     // Soft MIC
 781     if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
 782         if (bIsWEP) {
 783             unsigned long *pdwMIC_L;
 784             unsigned long *pdwMIC_R;
 785             unsigned long dwMIC_Priority;
 786             unsigned long dwMICKey0 = 0, dwMICKey1 = 0;
 787             unsigned long dwLocalMIC_L = 0;
 788             unsigned long dwLocalMIC_R = 0;
 789             viawget_wpa_header *wpahdr;
 790
 791
 792             if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
 793                 dwMICKey0 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[24]));
 794                 dwMICKey1 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[28]));
 795             }
 796             else {
 797                 if (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) {
 798                     dwMICKey0 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[16]));
 799                     dwMICKey1 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[20]));
 800                 } else if ((pKey->dwKeyIndex & BIT28) == 0) {
 801                     dwMICKey0 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[16]));
 802                     dwMICKey1 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[20]));
 803                 } else {
 804                     dwMICKey0 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[24]));
 805                     dwMICKey1 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[28]));
 806                 }
 807             }
 808
 809             MIC_vInit(dwMICKey0, dwMICKey1);
 810             MIC_vAppend((unsigned char *)&(pDevice->sRxEthHeader.abyDstAddr[0]), 12);
 811             dwMIC_Priority = 0;
 812             MIC_vAppend((unsigned char *)&dwMIC_Priority, 4);
 813             // 4 is Rcv buffer header, 24 is MAC Header, and 8 is IV and Ext IV.
 814             MIC_vAppend((unsigned char *)(skb->data + 4 + WLAN_HDR_ADDR3_LEN + 8),
 815                         FrameSize - WLAN_HDR_ADDR3_LEN - 8);
 816             MIC_vGetMIC(&dwLocalMIC_L, &dwLocalMIC_R);
 817             MIC_vUnInit();
 818
 819             pdwMIC_L = (unsigned long *)(skb->data + 4 + FrameSize);
 820             pdwMIC_R = (unsigned long *)(skb->data + 4 + FrameSize + 4);
 821             //DBG_PRN_GRP12(("RxL: %lx, RxR: %lx\n", *pdwMIC_L, *pdwMIC_R));
 822             //DBG_PRN_GRP12(("LocalL: %lx, LocalR: %lx\n", dwLocalMIC_L, dwLocalMIC_R));
 823             //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"dwMICKey0= %lx,dwMICKey1= %lx \n", dwMICKey0, dwMICKey1);
 824
 825
 826             if ((cpu_to_le32(*pdwMIC_L) != dwLocalMIC_L) || (cpu_to_le32(*pdwMIC_R) != dwLocalMIC_R) ||
 827                 (pDevice->bRxMICFail == true)) {
 828                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC comparison is fail!\n");
 829                 pDevice->bRxMICFail = false;
 830                 //pDevice->s802_11Counter.TKIPLocalMICFailures.QuadPart++;
 831                 pDevice->s802_11Counter.TKIPLocalMICFailures++;
 832                 if (bDeFragRx) {
 833                     if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
 834                         DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
 835                             pDevice->dev->name);
 836                     }
 837                 }
 838                //2008-0409-07, <Add> by Einsn Liu
 839        #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
 840                                 //send event to wpa_supplicant
 841                                 //if(pDevice->bWPADevEnable == true)
 842                                 {
 843                                         union iwreq_data wrqu;
 844                                         struct iw_michaelmicfailure ev;
 845                                         int keyidx = pbyFrame[cbHeaderSize+3] >> 6; //top two-bits
 846                                         memset(&ev, 0, sizeof(ev));
 847                                         ev.flags = keyidx & IW_MICFAILURE_KEY_ID;
 848                                         if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
 849                                                         (pMgmt->eCurrState == WMAC_STATE_ASSOC) &&
 850                                                                 (*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) {
 851                                                 ev.flags |= IW_MICFAILURE_PAIRWISE;
 852                                         } else {
 853                                                 ev.flags |= IW_MICFAILURE_GROUP;
 854                                         }
 855
 856                                         ev.src_addr.sa_family = ARPHRD_ETHER;
 857                                         memcpy(ev.src_addr.sa_data, pMACHeader->abyAddr2, ETH_ALEN);
 858                                         memset(&wrqu, 0, sizeof(wrqu));
 859                                         wrqu.data.length = sizeof(ev);
 860                                         wireless_send_event(pDevice->dev, IWEVMICHAELMICFAILURE, &wrqu, (char *)&ev);
 861
 862                                 }
 863          #endif
 864
 865
 866                 if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) {
 867                      wpahdr = (viawget_wpa_header *)pDevice->skb->data;
 868                      if ((pDevice->pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
 869                          (pDevice->pMgmt->eCurrState == WMAC_STATE_ASSOC) &&
 870                          (*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) {
 871                          //s802_11_Status.Flags = NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR;
 872                          wpahdr->type = VIAWGET_PTK_MIC_MSG;
 873                      } else {
 874                          //s802_11_Status.Flags = NDIS_802_11_AUTH_REQUEST_GROUP_ERROR;
 875                          wpahdr->type = VIAWGET_GTK_MIC_MSG;
 876                      }
 877                      wpahdr->resp_ie_len = 0;
 878                      wpahdr->req_ie_len = 0;
 879                      skb_put(pDevice->skb, sizeof(viawget_wpa_header));
 880                      pDevice->skb->dev = pDevice->wpadev;
 881                      skb_reset_mac_header(pDevice->skb);
 882                      pDevice->skb->pkt_type = PACKET_HOST;
 883                      pDevice->skb->protocol = htons(ETH_P_802_2);
 884                      memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb));
 885                      netif_rx(pDevice->skb);
 886                      pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
 887                  }
 888
 889                 return false;
 890
 891             }
 892         }
 893     } //---end of SOFT MIC-----------------------------------------------------------------------
 894
 895     // ++++++++++ Reply Counter Check +++++++++++++
 896
 897     if ((pKey != NULL) && ((pKey->byCipherSuite == KEY_CTL_TKIP) ||
 898                            (pKey->byCipherSuite == KEY_CTL_CCMP))) {
 899         if (bIsWEP) {
 900             unsigned short wLocalTSC15_0 = 0;
 901             unsigned long dwLocalTSC47_16 = 0;
 902             unsigned long long       RSC = 0;
 903             // endian issues
 904             RSC = *((unsigned long long *) &(pKey->KeyRSC));
 905             wLocalTSC15_0 = (unsigned short) RSC;
 906             dwLocalTSC47_16 = (unsigned long) (RSC>>16);
 907
 908             RSC = dwRxTSC47_16;
 909             RSC <<= 16;
 910             RSC += wRxTSC15_0;
 911             memcpy(&(pKey->KeyRSC), &RSC,  sizeof(QWORD));
 912
 913             if ( (pDevice->sMgmtObj.eCurrMode == WMAC_MODE_ESS_STA) &&
 914                  (pDevice->sMgmtObj.eCurrState == WMAC_STATE_ASSOC)) {
 915                 // check RSC
 916                 if ( (wRxTSC15_0 < wLocalTSC15_0) &&
 917                      (dwRxTSC47_16 <= dwLocalTSC47_16) &&
 918                      !((dwRxTSC47_16 == 0) && (dwLocalTSC47_16 == 0xFFFFFFFF))) {
 919                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC is illegal~~!\n ");
 920                     if (pKey->byCipherSuite == KEY_CTL_TKIP)
 921                         //pDevice->s802_11Counter.TKIPReplays.QuadPart++;
 922                         pDevice->s802_11Counter.TKIPReplays++;
 923                     else
 924                         //pDevice->s802_11Counter.CCMPReplays.QuadPart++;
 925                         pDevice->s802_11Counter.CCMPReplays++;
 926
 927                     if (bDeFragRx) {
 928                         if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
 929                             DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
 930                                 pDevice->dev->name);
 931                         }
 932                     }
 933                     return false;
 934                 }
 935             }
 936         }
 937     } // ----- End of Reply Counter Check --------------------------
 938
 939
 940
 941     if ((pKey != NULL) && (bIsWEP)) {
 942 //      pDevice->s802_11Counter.DecryptSuccessCount.QuadPart++;
 943     }
 944
 945
 946     s_vProcessRxMACHeader(pDevice, (unsigned char *)(skb->data+4), FrameSize, bIsWEP, bExtIV, &cbHeaderOffset);
 947     FrameSize -= cbHeaderOffset;
 948     cbHeaderOffset += 4;        // 4 is Rcv buffer header
 949
 950     // Null data, framesize = 14
 951     if (FrameSize < 15)
 952         return false;
 953
 954     if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
 955         if (s_bAPModeRxData(pDevice,
 956                             skb,
 957                             FrameSize,
 958                             cbHeaderOffset,
 959                             iSANodeIndex,
 960                             iDANodeIndex
 961                             ) == false) {
 962
 963             if (bDeFragRx) {
 964                 if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
 965                     DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
 966                     pDevice->dev->name);
 967                 }
 968             }
 969             return false;
 970         }
 971
 972 //        if(pDevice->bRxMICFail == false) {
 973 //           for (ii =0; ii < 100; ii++)
 974 //                printk(" %02x", *(skb->data + ii));
 975 //           printk("\n");
 976 //          }
 977
 978     }
 979
 980         skb->data += cbHeaderOffset;
 981         skb->tail += cbHeaderOffset;
 982     skb_put(skb, FrameSize);
 983     skb->protocol=eth_type_trans(skb, skb->dev);
 984
 985
 986         //drop frame not met IEEE 802.3
 987 /*
 988         if (pDevice->flags & DEVICE_FLAGS_VAL_PKT_LEN) {
 989                 if ((skb->protocol==htons(ETH_P_802_3)) &&
 990                         (skb->len!=htons(skb->mac.ethernet->h_proto))) {
 991                         pStats->rx_length_errors++;
 992                         pStats->rx_dropped++;
 993             if (bDeFragRx) {
 994                 if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
 995                     DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
 996                     pDevice->dev->name);
 997                 }
 998             }
 999                         return false;
1000                 }
1001         }
1002 */
1003
1004     skb->ip_summed=CHECKSUM_NONE;
1005     pStats->rx_bytes +=skb->len;
1006     pStats->rx_packets++;
1007     netif_rx(skb);
1008
1009     if (bDeFragRx) {
1010         if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
1011             DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
1012                 pDevice->dev->name);
1013         }
1014         return false;
1015     }
1016
1017     return true;
1018 }
1019
1020
1021 static bool s_bAPModeRxCtl (
1022     PSDevice pDevice,
1023     unsigned char *pbyFrame,
1024     int      iSANodeIndex
1025     )
1026 {
1027     PS802_11Header      p802_11Header;
1028     CMD_STATUS          Status;
1029     PSMgmtObject        pMgmt = pDevice->pMgmt;
1030
1031
1032     if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) {
1033
1034         p802_11Header = (PS802_11Header) (pbyFrame);
1035         if (!IS_TYPE_MGMT(pbyFrame)) {
1036
1037             // Data & PS-Poll packet
1038             // check frame class
1039             if (iSANodeIndex > 0) {
1040                 // frame class 3 fliter & checking
1041                 if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_AUTH) {
1042                     // send deauth notification
1043                     // reason = (6) class 2 received from nonauth sta
1044                     vMgrDeAuthenBeginSta(pDevice,
1045                                          pMgmt,
1046                                          (unsigned char *)(p802_11Header->abyAddr2),
1047                                          (WLAN_MGMT_REASON_CLASS2_NONAUTH),
1048                                          &Status
1049                                          );
1050                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 1\n");
1051                     return true;
1052                 }
1053                 if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_ASSOC) {
1054                     // send deassoc notification
1055                     // reason = (7) class 3 received from nonassoc sta
1056                     vMgrDisassocBeginSta(pDevice,
1057                                          pMgmt,
1058                                          (unsigned char *)(p802_11Header->abyAddr2),
1059                                          (WLAN_MGMT_REASON_CLASS3_NONASSOC),
1060                                          &Status
1061                                          );
1062                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDisassocBeginSta 2\n");
1063                     return true;
1064                 }
1065
1066                 if (pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable) {
1067                     // delcare received ps-poll event
1068                     if (IS_CTL_PSPOLL(pbyFrame)) {
1069                         pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = true;
1070                         bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
1071                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 1\n");
1072                     }
1073                     else {
1074                         // check Data PS state
1075                         // if PW bit off, send out all PS bufferring packets.
1076                         if (!IS_FC_POWERMGT(pbyFrame)) {
1077                             pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = false;
1078                             pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = true;
1079                             bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
1080                             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 2\n");
1081                         }
1082                     }
1083                 }
1084                 else {
1085                    if (IS_FC_POWERMGT(pbyFrame)) {
1086                        pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = true;
1087                        // Once if STA in PS state, enable multicast bufferring
1088                        pMgmt->sNodeDBTable[0].bPSEnable = true;
1089                    }
1090                    else {
1091                       // clear all pending PS frame.
1092                       if (pMgmt->sNodeDBTable[iSANodeIndex].wEnQueueCnt > 0) {
1093                           pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = false;
1094                           pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = true;
1095                           bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
1096                          DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 3\n");
1097
1098                       }
1099                    }
1100                 }
1101             }
1102             else {
1103                   vMgrDeAuthenBeginSta(pDevice,
1104                                        pMgmt,
1105                                        (unsigned char *)(p802_11Header->abyAddr2),
1106                                        (WLAN_MGMT_REASON_CLASS2_NONAUTH),
1107                                        &Status
1108                                        );
1109                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 3\n");
1110                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSSID:%02x-%02x-%02x=%02x-%02x-%02x \n",
1111                                 p802_11Header->abyAddr3[0],
1112                                 p802_11Header->abyAddr3[1],
1113                                 p802_11Header->abyAddr3[2],
1114                                 p802_11Header->abyAddr3[3],
1115                                 p802_11Header->abyAddr3[4],
1116                                 p802_11Header->abyAddr3[5]
1117                                );
1118                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR2:%02x-%02x-%02x=%02x-%02x-%02x \n",
1119                                 p802_11Header->abyAddr2[0],
1120                                 p802_11Header->abyAddr2[1],
1121                                 p802_11Header->abyAddr2[2],
1122                                 p802_11Header->abyAddr2[3],
1123                                 p802_11Header->abyAddr2[4],
1124                                 p802_11Header->abyAddr2[5]
1125                                );
1126                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR1:%02x-%02x-%02x=%02x-%02x-%02x \n",
1127                                 p802_11Header->abyAddr1[0],
1128                                 p802_11Header->abyAddr1[1],
1129                                 p802_11Header->abyAddr1[2],
1130                                 p802_11Header->abyAddr1[3],
1131                                 p802_11Header->abyAddr1[4],
1132                                 p802_11Header->abyAddr1[5]
1133                                );
1134                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: wFrameCtl= %x\n", p802_11Header->wFrameCtl );
1135                     VNSvInPortB(pDevice->PortOffset + MAC_REG_RCR, &(pDevice->byRxMode));
1136                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc:pDevice->byRxMode = %x\n", pDevice->byRxMode );
1137                     return true;
1138             }
1139         }
1140     }
1141     return false;
1142
1143 }
1144
1145 static bool s_bHandleRxEncryption (
1146     PSDevice     pDevice,
1147     unsigned char *pbyFrame,
1148     unsigned int FrameSize,
1149     unsigned char *pbyRsr,
1150     unsigned char *pbyNewRsr,
1151     PSKeyItem   *pKeyOut,
1152     bool *pbExtIV,
1153     unsigned short *pwRxTSC15_0,
1154     unsigned long *pdwRxTSC47_16
1155     )
1156 {
1157     unsigned int PayloadLen = FrameSize;
1158     unsigned char *pbyIV;
1159     unsigned char byKeyIdx;
1160     PSKeyItem       pKey = NULL;
1161     unsigned char byDecMode = KEY_CTL_WEP;
1162     PSMgmtObject    pMgmt = pDevice->pMgmt;
1163
1164
1165     *pwRxTSC15_0 = 0;
1166     *pdwRxTSC47_16 = 0;
1167
1168     pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
1169     if ( WLAN_GET_FC_TODS(*(unsigned short *)pbyFrame) &&
1170          WLAN_GET_FC_FROMDS(*(unsigned short *)pbyFrame) ) {
1171          pbyIV += 6;             // 6 is 802.11 address4
1172          PayloadLen -= 6;
1173     }
1174     byKeyIdx = (*(pbyIV+3) & 0xc0);
1175     byKeyIdx >>= 6;
1176     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\nKeyIdx: %d\n", byKeyIdx);
1177
1178     if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
1179         (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) ||
1180         (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) ||
1181         (pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
1182         (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
1183         if (((*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) &&
1184             (pDevice->pMgmt->byCSSPK != KEY_CTL_NONE)) {
1185             // unicast pkt use pairwise key
1186             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"unicast pkt\n");
1187             if (KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, 0xFFFFFFFF, &pKey) == true) {
1188                 if (pDevice->pMgmt->byCSSPK == KEY_CTL_TKIP)
1189                     byDecMode = KEY_CTL_TKIP;
1190                 else if (pDevice->pMgmt->byCSSPK == KEY_CTL_CCMP)
1191                     byDecMode = KEY_CTL_CCMP;
1192             }
1193             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"unicast pkt: %d, %p\n", byDecMode, pKey);
1194         } else {
1195             // use group key
1196             KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, byKeyIdx, &pKey);
1197             if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
1198                 byDecMode = KEY_CTL_TKIP;
1199             else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP)
1200                 byDecMode = KEY_CTL_CCMP;
1201             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"group pkt: %d, %d, %p\n", byKeyIdx, byDecMode, pKey);
1202         }
1203     }
1204     // our WEP only support Default Key
1205     if (pKey == NULL) {
1206         // use default group key
1207         KeybGetKey(&(pDevice->sKey), pDevice->abyBroadcastAddr, byKeyIdx, &pKey);
1208         if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
1209             byDecMode = KEY_CTL_TKIP;
1210         else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP)
1211             byDecMode = KEY_CTL_CCMP;
1212     }
1213     *pKeyOut = pKey;
1214
1215     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"AES:%d %d %d\n", pDevice->pMgmt->byCSSPK, pDevice->pMgmt->byCSSGK, byDecMode);
1216
1217     if (pKey == NULL) {
1218         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey == NULL\n");
1219         if (byDecMode == KEY_CTL_WEP) {
1220 //            pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++;
1221         } else if (pDevice->bLinkPass == true) {
1222 //            pDevice->s802_11Counter.DecryptFailureCount.QuadPart++;
1223         }
1224         return false;
1225     }
1226     if (byDecMode != pKey->byCipherSuite) {
1227         if (byDecMode == KEY_CTL_WEP) {
1228 //            pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++;
1229         } else if (pDevice->bLinkPass == true) {
1230 //            pDevice->s802_11Counter.DecryptFailureCount.QuadPart++;
1231         }
1232         *pKeyOut = NULL;
1233         return false;
1234     }
1235     if (byDecMode == KEY_CTL_WEP) {
1236         // handle WEP
1237         if ((pDevice->byLocalID <= REV_ID_VT3253_A1) ||
1238             (((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == true)) {
1239             // Software WEP
1240             // 1. 3253A
1241             // 2. WEP 256
1242
1243             PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc
1244             memcpy(pDevice->abyPRNG, pbyIV, 3);
1245             memcpy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength);
1246             rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3);
1247             rc4_encrypt(&pDevice->SBox, pbyIV+4, pbyIV+4, PayloadLen);
1248
1249             if (ETHbIsBufferCrc32Ok(pbyIV+4, PayloadLen)) {
1250                 *pbyNewRsr |= NEWRSR_DECRYPTOK;
1251             }
1252         }
1253     } else if ((byDecMode == KEY_CTL_TKIP) ||
1254                (byDecMode == KEY_CTL_CCMP)) {
1255         // TKIP/AES
1256
1257         PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc
1258         *pdwRxTSC47_16 = cpu_to_le32(*(unsigned long *)(pbyIV + 4));
1259         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %lx\n",*pdwRxTSC47_16);
1260         if (byDecMode == KEY_CTL_TKIP) {
1261             *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV));
1262         } else {
1263             *pwRxTSC15_0 = cpu_to_le16(*(unsigned short *)pbyIV);
1264         }
1265         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC0_15: %x\n", *pwRxTSC15_0);
1266
1267         if ((byDecMode == KEY_CTL_TKIP) &&
1268             (pDevice->byLocalID <= REV_ID_VT3253_A1)) {
1269             // Software TKIP
1270             // 1. 3253 A
1271             PS802_11Header  pMACHeader = (PS802_11Header) (pbyFrame);
1272             TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG);
1273             rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN);
1274             rc4_encrypt(&pDevice->SBox, pbyIV+8, pbyIV+8, PayloadLen);
1275             if (ETHbIsBufferCrc32Ok(pbyIV+8, PayloadLen)) {
1276                 *pbyNewRsr |= NEWRSR_DECRYPTOK;
1277                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV OK!\n");
1278             } else {
1279                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV FAIL!!!\n");
1280                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PayloadLen = %d\n", PayloadLen);
1281             }
1282         }
1283     }// end of TKIP/AES
1284
1285     if ((*(pbyIV+3) & 0x20) != 0)
1286         *pbExtIV = true;
1287     return true;
1288 }
1289
1290
1291 static bool s_bHostWepRxEncryption (
1292     PSDevice     pDevice,
1293     unsigned char *pbyFrame,
1294     unsigned int FrameSize,
1295     unsigned char *pbyRsr,
1296     bool bOnFly,
1297     PSKeyItem    pKey,
1298     unsigned char *pbyNewRsr,
1299     bool *pbExtIV,
1300     unsigned short *pwRxTSC15_0,
1301     unsigned long *pdwRxTSC47_16
1302     )
1303 {
1304     unsigned int PayloadLen = FrameSize;
1305     unsigned char *pbyIV;
1306     unsigned char byKeyIdx;
1307     unsigned char byDecMode = KEY_CTL_WEP;
1308     PS802_11Header  pMACHeader;
1309
1310
1311
1312     *pwRxTSC15_0 = 0;
1313     *pdwRxTSC47_16 = 0;
1314
1315     pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
1316     if ( WLAN_GET_FC_TODS(*(unsigned short *)pbyFrame) &&
1317          WLAN_GET_FC_FROMDS(*(unsigned short *)pbyFrame) ) {
1318          pbyIV += 6;             // 6 is 802.11 address4
1319          PayloadLen -= 6;
1320     }
1321     byKeyIdx = (*(pbyIV+3) & 0xc0);
1322     byKeyIdx >>= 6;
1323     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\nKeyIdx: %d\n", byKeyIdx);
1324
1325
1326     if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
1327         byDecMode = KEY_CTL_TKIP;
1328     else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP)
1329         byDecMode = KEY_CTL_CCMP;
1330
1331     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"AES:%d %d %d\n", pDevice->pMgmt->byCSSPK, pDevice->pMgmt->byCSSGK, byDecMode);
1332
1333     if (byDecMode != pKey->byCipherSuite) {
1334         if (byDecMode == KEY_CTL_WEP) {
1335 //            pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++;
1336         } else if (pDevice->bLinkPass == true) {
1337 //            pDevice->s802_11Counter.DecryptFailureCount.QuadPart++;
1338         }
1339         return false;
1340     }
1341
1342     if (byDecMode == KEY_CTL_WEP) {
1343         // handle WEP
1344         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"byDecMode == KEY_CTL_WEP \n");
1345         if ((pDevice->byLocalID <= REV_ID_VT3253_A1) ||
1346             (((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == true) ||
1347             (bOnFly == false)) {
1348             // Software WEP
1349             // 1. 3253A
1350             // 2. WEP 256
1351             // 3. NotOnFly
1352
1353             PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc
1354             memcpy(pDevice->abyPRNG, pbyIV, 3);
1355             memcpy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength);
1356             rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3);
1357             rc4_encrypt(&pDevice->SBox, pbyIV+4, pbyIV+4, PayloadLen);
1358
1359             if (ETHbIsBufferCrc32Ok(pbyIV+4, PayloadLen)) {
1360                 *pbyNewRsr |= NEWRSR_DECRYPTOK;
1361             }
1362         }
1363     } else if ((byDecMode == KEY_CTL_TKIP) ||
1364                (byDecMode == KEY_CTL_CCMP)) {
1365         // TKIP/AES
1366
1367         PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc
1368         *pdwRxTSC47_16 = cpu_to_le32(*(unsigned long *)(pbyIV + 4));
1369         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %lx\n",*pdwRxTSC47_16);
1370
1371         if (byDecMode == KEY_CTL_TKIP) {
1372             *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV));
1373         } else {
1374             *pwRxTSC15_0 = cpu_to_le16(*(unsigned short *)pbyIV);
1375         }
1376         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC0_15: %x\n", *pwRxTSC15_0);
1377
1378         if (byDecMode == KEY_CTL_TKIP) {
1379
1380             if ((pDevice->byLocalID <= REV_ID_VT3253_A1) || (bOnFly == false)) {
1381                 // Software TKIP
1382                 // 1. 3253 A
1383                 // 2. NotOnFly
1384                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"soft KEY_CTL_TKIP \n");
1385                 pMACHeader = (PS802_11Header) (pbyFrame);
1386                 TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG);
1387                 rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN);
1388                 rc4_encrypt(&pDevice->SBox, pbyIV+8, pbyIV+8, PayloadLen);
1389                 if (ETHbIsBufferCrc32Ok(pbyIV+8, PayloadLen)) {
1390                     *pbyNewRsr |= NEWRSR_DECRYPTOK;
1391                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV OK!\n");
1392                 } else {
1393                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV FAIL!!!\n");
1394                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PayloadLen = %d\n", PayloadLen);
1395                 }
1396             }
1397         }
1398
1399         if (byDecMode == KEY_CTL_CCMP) {
1400             if (bOnFly == false) {
1401                 // Software CCMP
1402                 // NotOnFly
1403                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"soft KEY_CTL_CCMP\n");
1404                 if (AESbGenCCMP(pKey->abyKey, pbyFrame, FrameSize)) {
1405                     *pbyNewRsr |= NEWRSR_DECRYPTOK;
1406                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"CCMP MIC compare OK!\n");
1407                 } else {
1408                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"CCMP MIC fail!\n");
1409                 }
1410             }
1411         }
1412
1413     }// end of TKIP/AES
1414
1415     if ((*(pbyIV+3) & 0x20) != 0)
1416         *pbExtIV = true;
1417     return true;
1418 }
1419
1420
1421
1422 static bool s_bAPModeRxData (
1423     PSDevice pDevice,
1424     struct sk_buff* skb,
1425     unsigned int FrameSize,
1426     unsigned int cbHeaderOffset,
1427     int      iSANodeIndex,
1428     int      iDANodeIndex
1429     )
1430 {
1431     PSMgmtObject        pMgmt = pDevice->pMgmt;
1432     bool bRelayAndForward = false;
1433     bool bRelayOnly = false;
1434     unsigned char byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
1435     unsigned short wAID;
1436
1437
1438     struct sk_buff* skbcpy = NULL;
1439
1440     if (FrameSize > CB_MAX_BUF_SIZE)
1441         return false;
1442     // check DA
1443     if(is_multicast_ether_addr((unsigned char *)(skb->data+cbHeaderOffset))) {
1444        if (pMgmt->sNodeDBTable[0].bPSEnable) {
1445
1446            skbcpy = dev_alloc_skb((int)pDevice->rx_buf_sz);
1447
1448         // if any node in PS mode, buffer packet until DTIM.
1449            if (skbcpy == NULL) {
1450                DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "relay multicast no skb available \n");
1451            }
1452            else {
1453                skbcpy->dev = pDevice->dev;
1454                skbcpy->len = FrameSize;
1455                memcpy(skbcpy->data, skb->data+cbHeaderOffset, FrameSize);
1456                skb_queue_tail(&(pMgmt->sNodeDBTable[0].sTxPSQueue), skbcpy);
1457
1458                pMgmt->sNodeDBTable[0].wEnQueueCnt++;
1459                // set tx map
1460                pMgmt->abyPSTxMap[0] |= byMask[0];
1461            }
1462        }
1463        else {
1464            bRelayAndForward = true;
1465        }
1466     }
1467     else {
1468         // check if relay
1469         if (BSSDBbIsSTAInNodeDB(pMgmt, (unsigned char *)(skb->data+cbHeaderOffset), &iDANodeIndex)) {
1470             if (pMgmt->sNodeDBTable[iDANodeIndex].eNodeState >= NODE_ASSOC) {
1471                 if (pMgmt->sNodeDBTable[iDANodeIndex].bPSEnable) {
1472                     // queue this skb until next PS tx, and then release.
1473
1474                         skb->data += cbHeaderOffset;
1475                         skb->tail += cbHeaderOffset;
1476                     skb_put(skb, FrameSize);
1477                     skb_queue_tail(&pMgmt->sNodeDBTable[iDANodeIndex].sTxPSQueue, skb);
1478                     pMgmt->sNodeDBTable[iDANodeIndex].wEnQueueCnt++;
1479                     wAID = pMgmt->sNodeDBTable[iDANodeIndex].wAID;
1480                     pMgmt->abyPSTxMap[wAID >> 3] |=  byMask[wAID & 7];
1481                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "relay: index= %d, pMgmt->abyPSTxMap[%d]= %d\n",
1482                                iDANodeIndex, (wAID >> 3), pMgmt->abyPSTxMap[wAID >> 3]);
1483                     return true;
1484                 }
1485                 else {
1486                     bRelayOnly = true;
1487                 }
1488             }
1489         }
1490     }
1491
1492     if (bRelayOnly || bRelayAndForward) {
1493         // relay this packet right now
1494         if (bRelayAndForward)
1495             iDANodeIndex = 0;
1496
1497         if ((pDevice->uAssocCount > 1) && (iDANodeIndex >= 0)) {
1498             ROUTEbRelay(pDevice, (unsigned char *)(skb->data + cbHeaderOffset), FrameSize, (unsigned int)iDANodeIndex);
1499         }
1500
1501         if (bRelayOnly)
1502             return false;
1503     }
1504     // none associate, don't forward
1505     if (pDevice->uAssocCount == 0)
1506         return false;
1507
1508     return true;
1509 }
1510