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 BYTE 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 BYTE s_byGetRateIdx(BYTE byRate);
  80
  81
  82 static
  83 void
  84 s_vGetDASA(
  85     PBYTE pbyRxBufferAddr,
  86     PUINT pcbHeaderSize,
  87     PSEthernetHeader psEthHeader
  88     );
  89
  90 static
  91 void
  92 s_vProcessRxMACHeader (
  93     PSDevice pDevice,
  94     PBYTE pbyRxBufferAddr,
  95     UINT cbPacketSize,
  96     BOOL bIsWEP,
  97     BOOL bExtIV,
  98     PUINT pcbHeadSize
  99     );
 100
 101 static BOOL s_bAPModeRxCtl(
 102     PSDevice pDevice,
 103     PBYTE    pbyFrame,
 104     int      iSANodeIndex
 105     );
 106
 107
 108
 109 static BOOL s_bAPModeRxData (
 110     PSDevice pDevice,
 111     struct sk_buff* skb,
 112     UINT     FrameSize,
 113     UINT     cbHeaderOffset,
 114     int      iSANodeIndex,
 115     int      iDANodeIndex
 116     );
 117
 118
 119 static BOOL s_bHandleRxEncryption(
 120     PSDevice     pDevice,
 121     PBYTE        pbyFrame,
 122     UINT         FrameSize,
 123     PBYTE        pbyRsr,
 124     PBYTE       pbyNewRsr,
 125     PSKeyItem   *pKeyOut,
 126     int *       pbExtIV,
 127     PWORD       pwRxTSC15_0,
 128     PDWORD      pdwRxTSC47_16
 129     );
 130
 131 static BOOL s_bHostWepRxEncryption(
 132
 133     PSDevice     pDevice,
 134     PBYTE        pbyFrame,
 135     UINT         FrameSize,
 136     PBYTE        pbyRsr,
 137     BOOL         bOnFly,
 138     PSKeyItem    pKey,
 139     PBYTE       pbyNewRsr,
 140     int *       pbExtIV,
 141     PWORD       pwRxTSC15_0,
 142     PDWORD      pdwRxTSC47_16
 143
 144     );
 145
 146 /*---------------------  Export Variables  --------------------------*/
 147
 148 /*+
 149  *
 150  * Description:
 151  *    Translate Rcv 802.11 header to 802.3 header with Rx buffer
 152  *
 153  * Parameters:
 154  *  In:
 155  *      pDevice
 156  *      dwRxBufferAddr  - Address of Rcv Buffer
 157  *      cbPacketSize    - Rcv Packet size
 158  *      bIsWEP          - If Rcv with WEP
 159  *  Out:
 160  *      pcbHeaderSize   - 802.11 header size
 161  *
 162  * Return Value: None
 163  *
 164 -*/
 165 static
 166 void
 167 s_vProcessRxMACHeader (
 168     PSDevice pDevice,
 169     PBYTE pbyRxBufferAddr,
 170     UINT cbPacketSize,
 171     BOOL bIsWEP,
 172     BOOL bExtIV,
 173     PUINT pcbHeadSize
 174     )
 175 {
 176     PBYTE           pbyRxBuffer;
 177     UINT            cbHeaderSize = 0;
 178     PWORD           pwType;
 179     PS802_11Header  pMACHeader;
 180     int             ii;
 181
 182
 183     pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize);
 184
 185     s_vGetDASA((PBYTE)pMACHeader, &cbHeaderSize, &pDevice->sRxEthHeader);
 186
 187     if (bIsWEP) {
 188         if (bExtIV) {
 189             // strip IV&ExtIV , add 8 byte
 190             cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 8);
 191         } else {
 192             // strip IV , add 4 byte
 193             cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 4);
 194         }
 195     }
 196     else {
 197         cbHeaderSize += WLAN_HDR_ADDR3_LEN;
 198     };
 199
 200     pbyRxBuffer = (PBYTE) (pbyRxBufferAddr + cbHeaderSize);
 201     if (!compare_ether_addr(pbyRxBuffer, &pDevice->abySNAP_Bridgetunnel[0])) {
 202         cbHeaderSize += 6;
 203     }
 204     else if (!compare_ether_addr(pbyRxBuffer, &pDevice->abySNAP_RFC1042[0])) {
 205         cbHeaderSize += 6;
 206         pwType = (PWORD) (pbyRxBufferAddr + cbHeaderSize);
 207         if ((*pwType!= TYPE_PKT_IPX) && (*pwType != cpu_to_le16(0xF380))) {
 208         }
 209         else {
 210             cbHeaderSize -= 8;
 211             pwType = (PWORD) (pbyRxBufferAddr + cbHeaderSize);
 212             if (bIsWEP) {
 213                 if (bExtIV) {
 214                     *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8);    // 8 is IV&ExtIV
 215                 } else {
 216                     *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4);    // 4 is IV
 217                 }
 218             }
 219             else {
 220                 *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN);
 221             }
 222         }
 223     }
 224     else {
 225         cbHeaderSize -= 2;
 226         pwType = (PWORD) (pbyRxBufferAddr + cbHeaderSize);
 227         if (bIsWEP) {
 228             if (bExtIV) {
 229                 *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8);    // 8 is IV&ExtIV
 230             } else {
 231                 *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4);    // 4 is IV
 232             }
 233         }
 234         else {
 235             *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN);
 236         }
 237     }
 238
 239     cbHeaderSize -= (ETH_ALEN * 2);
 240     pbyRxBuffer = (PBYTE) (pbyRxBufferAddr + cbHeaderSize);
 241     for(ii=0;ii<ETH_ALEN;ii++)
 242         *pbyRxBuffer++ = pDevice->sRxEthHeader.abyDstAddr[ii];
 243     for(ii=0;ii<ETH_ALEN;ii++)
 244         *pbyRxBuffer++ = pDevice->sRxEthHeader.abySrcAddr[ii];
 245
 246     *pcbHeadSize = cbHeaderSize;
 247 }
 248
 249
 250
 251
 252 static BYTE s_byGetRateIdx (BYTE byRate)
 253 {
 254     BYTE    byRateIdx;
 255
 256     for (byRateIdx = 0; byRateIdx <MAX_RATE ; byRateIdx++) {
 257         if (acbyRxRate[byRateIdx%MAX_RATE] == byRate)
 258             return byRateIdx;
 259     }
 260     return 0;
 261 }
 262
 263
 264 static
 265 void
 266 s_vGetDASA (
 267     PBYTE pbyRxBufferAddr,
 268     PUINT pcbHeaderSize,
 269     PSEthernetHeader psEthHeader
 270     )
 271 {
 272     UINT            cbHeaderSize = 0;
 273     PS802_11Header  pMACHeader;
 274     int             ii;
 275
 276     pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize);
 277
 278     if ((pMACHeader->wFrameCtl & FC_TODS) == 0) {
 279         if (pMACHeader->wFrameCtl & FC_FROMDS) {
 280             for(ii=0;ii<ETH_ALEN;ii++) {
 281                 psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii];
 282                 psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr3[ii];
 283             }
 284         }
 285         else {
 286             // IBSS mode
 287             for(ii=0;ii<ETH_ALEN;ii++) {
 288                 psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii];
 289                 psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii];
 290             }
 291         }
 292     }
 293     else {
 294         // Is AP mode..
 295         if (pMACHeader->wFrameCtl & FC_FROMDS) {
 296             for(ii=0;ii<ETH_ALEN;ii++) {
 297                 psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii];
 298                 psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr4[ii];
 299                 cbHeaderSize += 6;
 300             }
 301         }
 302         else {
 303             for(ii=0;ii<ETH_ALEN;ii++) {
 304                 psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii];
 305                 psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii];
 306             }
 307         }
 308     };
 309     *pcbHeaderSize = cbHeaderSize;
 310 }
 311
 312
 313
 314
 315 //PLICE_DEBUG ->
 316
 317 void    MngWorkItem(void *Context)
 318 {
 319         PSRxMgmtPacket                  pRxMgmtPacket;
 320         PSDevice        pDevice =  (PSDevice) Context;
 321         //printk("Enter MngWorkItem,Queue packet num is %d\n",pDevice->rxManeQueue.packet_num);
 322         spin_lock_irq(&pDevice->lock);
 323          while(pDevice->rxManeQueue.packet_num != 0)
 324          {
 325                  pRxMgmtPacket =  DeQueue(pDevice);
 326                         vMgrRxManagePacket(pDevice, pDevice->pMgmt, pRxMgmtPacket);
 327         }
 328         spin_unlock_irq(&pDevice->lock);
 329 }
 330
 331
 332 //PLICE_DEBUG<-
 333
 334
 335
 336 BOOL
 337 device_receive_frame (
 338     PSDevice pDevice,
 339     PSRxDesc pCurrRD
 340     )
 341 {
 342
 343     PDEVICE_RD_INFO  pRDInfo = pCurrRD->pRDInfo;
 344 #ifdef  PLICE_DEBUG
 345         //printk("device_receive_frame:pCurrRD is %x,pRDInfo is %x\n",pCurrRD,pCurrRD->pRDInfo);
 346 #endif
 347     struct net_device_stats* pStats=&pDevice->stats;
 348     struct sk_buff* skb;
 349     PSMgmtObject    pMgmt = pDevice->pMgmt;
 350     PSRxMgmtPacket  pRxPacket = &(pDevice->pMgmt->sRxPacket);
 351     PS802_11Header  p802_11Header;
 352     PBYTE           pbyRsr;
 353     PBYTE           pbyNewRsr;
 354     PBYTE           pbyRSSI;
 355     PQWORD          pqwTSFTime;
 356     PWORD           pwFrameSize;
 357     PBYTE           pbyFrame;
 358     BOOL            bDeFragRx = FALSE;
 359     BOOL            bIsWEP = FALSE;
 360     UINT            cbHeaderOffset;
 361     UINT            FrameSize;
 362     WORD            wEtherType = 0;
 363     int             iSANodeIndex = -1;
 364     int             iDANodeIndex = -1;
 365     UINT            ii;
 366     UINT            cbIVOffset;
 367     BOOL            bExtIV = FALSE;
 368     PBYTE           pbyRxSts;
 369     PBYTE           pbyRxRate;
 370     PBYTE           pbySQ;
 371     UINT            cbHeaderSize;
 372     PSKeyItem       pKey = NULL;
 373     WORD            wRxTSC15_0 = 0;
 374     DWORD           dwRxTSC47_16 = 0;
 375     SKeyItem        STempKey;
 376     // 802.11h RPI
 377     DWORD           dwDuration = 0;
 378     long            ldBm = 0;
 379     long            ldBmThreshold = 0;
 380     PS802_11Header pMACHeader;
 381  BOOL            bRxeapol_key = FALSE;
 382
 383 //    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- device_receive_frame---\n");
 384
 385     skb = pRDInfo->skb;
 386
 387
 388 //PLICE_DEBUG->
 389 #if 1
 390         pci_unmap_single(pDevice->pcid, pRDInfo->skb_dma,
 391                      pDevice->rx_buf_sz, PCI_DMA_FROMDEVICE);
 392 #endif
 393 //PLICE_DEBUG<-
 394     pwFrameSize = (PWORD)(skb->data + 2);
 395     FrameSize = cpu_to_le16(pCurrRD->m_rd1RD1.wReqCount) - cpu_to_le16(pCurrRD->m_rd0RD0.wResCount);
 396
 397     // Max: 2312Payload + 30HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR
 398     // Min (ACK): 10HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR
 399     if ((FrameSize > 2364)||(FrameSize <= 32)) {
 400         // Frame Size error drop this packet.
 401         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- WRONG Length 1 \n");
 402         return FALSE;
 403     }
 404
 405     pbyRxSts = (PBYTE) (skb->data);
 406     pbyRxRate = (PBYTE) (skb->data + 1);
 407     pbyRsr = (PBYTE) (skb->data + FrameSize - 1);
 408     pbyRSSI = (PBYTE) (skb->data + FrameSize - 2);
 409     pbyNewRsr = (PBYTE) (skb->data + FrameSize - 3);
 410     pbySQ = (PBYTE) (skb->data + FrameSize - 4);
 411     pqwTSFTime = (PQWORD) (skb->data + FrameSize - 12);
 412     pbyFrame = (PBYTE)(skb->data + 4);
 413
 414     // get packet size
 415     FrameSize = cpu_to_le16(*pwFrameSize);
 416
 417     if ((FrameSize > 2346)|(FrameSize < 14)) { // Max: 2312Payload + 30HD +4CRC
 418                                                // Min: 14 bytes ACK
 419         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- WRONG Length 2 \n");
 420         return FALSE;
 421     }
 422 //PLICE_DEBUG->
 423 #if 1
 424         // update receive statistic counter
 425     STAvUpdateRDStatCounter(&pDevice->scStatistic,
 426                             *pbyRsr,
 427                             *pbyNewRsr,
 428                             *pbyRxRate,
 429                             pbyFrame,
 430                             FrameSize);
 431
 432 #endif
 433
 434   pMACHeader=(PS802_11Header)((PBYTE) (skb->data)+8);
 435 //PLICE_DEBUG<-
 436         if (pDevice->bMeasureInProgress == TRUE) {
 437         if ((*pbyRsr & RSR_CRCOK) != 0) {
 438             pDevice->byBasicMap |= 0x01;
 439         }
 440         dwDuration = (FrameSize << 4);
 441         dwDuration /= acbyRxRate[*pbyRxRate%MAX_RATE];
 442         if (*pbyRxRate <= RATE_11M) {
 443             if (*pbyRxSts & 0x01) {
 444                 // long preamble
 445                 dwDuration += 192;
 446             } else {
 447                 // short preamble
 448                 dwDuration += 96;
 449             }
 450         } else {
 451             dwDuration += 16;
 452         }
 453         RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm);
 454         ldBmThreshold = -57;
 455         for (ii = 7; ii > 0;) {
 456             if (ldBm > ldBmThreshold) {
 457                 break;
 458             }
 459             ldBmThreshold -= 5;
 460             ii--;
 461         }
 462         pDevice->dwRPIs[ii] += dwDuration;
 463         return FALSE;
 464     }
 465
 466     if (!is_multicast_ether_addr(pbyFrame) && !is_broadcast_ether_addr(pbyFrame)) {
 467         if (WCTLbIsDuplicate(&(pDevice->sDupRxCache), (PS802_11Header) (skb->data + 4))) {
 468             pDevice->s802_11Counter.FrameDuplicateCount++;
 469             return FALSE;
 470         }
 471     }
 472
 473
 474     // Use for TKIP MIC
 475     s_vGetDASA(skb->data+4, &cbHeaderSize, &pDevice->sRxEthHeader);
 476
 477     // filter packet send from myself
 478     if (!compare_ether_addr((PBYTE)&(pDevice->sRxEthHeader.abySrcAddr[0]), pDevice->abyCurrentNetAddr))
 479         return FALSE;
 480
 481     if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) || (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)) {
 482         if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) {
 483             p802_11Header = (PS802_11Header) (pbyFrame);
 484             // get SA NodeIndex
 485             if (BSSDBbIsSTAInNodeDB(pMgmt, (PBYTE)(p802_11Header->abyAddr2), &iSANodeIndex)) {
 486                 pMgmt->sNodeDBTable[iSANodeIndex].ulLastRxJiffer = jiffies;
 487                 pMgmt->sNodeDBTable[iSANodeIndex].uInActiveCount = 0;
 488             }
 489         }
 490     }
 491
 492     if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
 493         if (s_bAPModeRxCtl(pDevice, pbyFrame, iSANodeIndex) == TRUE) {
 494             return FALSE;
 495         }
 496     }
 497
 498
 499     if (IS_FC_WEP(pbyFrame)) {
 500         BOOL     bRxDecryOK = FALSE;
 501
 502         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"rx WEP pkt\n");
 503         bIsWEP = TRUE;
 504         if ((pDevice->bEnableHostWEP) && (iSANodeIndex >= 0)) {
 505             pKey = &STempKey;
 506             pKey->byCipherSuite = pMgmt->sNodeDBTable[iSANodeIndex].byCipherSuite;
 507             pKey->dwKeyIndex = pMgmt->sNodeDBTable[iSANodeIndex].dwKeyIndex;
 508             pKey->uKeyLength = pMgmt->sNodeDBTable[iSANodeIndex].uWepKeyLength;
 509             pKey->dwTSC47_16 = pMgmt->sNodeDBTable[iSANodeIndex].dwTSC47_16;
 510             pKey->wTSC15_0 = pMgmt->sNodeDBTable[iSANodeIndex].wTSC15_0;
 511             memcpy(pKey->abyKey,
 512                 &pMgmt->sNodeDBTable[iSANodeIndex].abyWepKey[0],
 513                 pKey->uKeyLength
 514                 );
 515
 516             bRxDecryOK = s_bHostWepRxEncryption(pDevice,
 517                                                 pbyFrame,
 518                                                 FrameSize,
 519                                                 pbyRsr,
 520                                                 pMgmt->sNodeDBTable[iSANodeIndex].bOnFly,
 521                                                 pKey,
 522                                                 pbyNewRsr,
 523                                                 &bExtIV,
 524                                                 &wRxTSC15_0,
 525                                                 &dwRxTSC47_16);
 526         } else {
 527             bRxDecryOK = s_bHandleRxEncryption(pDevice,
 528                                                 pbyFrame,
 529                                                 FrameSize,
 530                                                 pbyRsr,
 531                                                 pbyNewRsr,
 532                                                 &pKey,
 533                                                 &bExtIV,
 534                                                 &wRxTSC15_0,
 535                                                 &dwRxTSC47_16);
 536         }
 537
 538         if (bRxDecryOK) {
 539             if ((*pbyNewRsr & NEWRSR_DECRYPTOK) == 0) {
 540                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV Fail\n");
 541                 if ( (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
 542                     (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) ||
 543                     (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) ||
 544                     (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
 545                     (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
 546
 547                     if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
 548                         pDevice->s802_11Counter.TKIPICVErrors++;
 549                     } else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP)) {
 550                         pDevice->s802_11Counter.CCMPDecryptErrors++;
 551                     } else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_WEP)) {
 552 //                      pDevice->s802_11Counter.WEPICVErrorCount.QuadPart++;
 553                     }
 554                 }
 555                 return FALSE;
 556             }
 557         } else {
 558             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"WEP Func Fail\n");
 559             return FALSE;
 560         }
 561         if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP))
 562             FrameSize -= 8;         // Message Integrity Code
 563         else
 564             FrameSize -= 4;         // 4 is ICV
 565     }
 566
 567
 568     //
 569     // RX OK
 570     //
 571     //remove the CRC length
 572     FrameSize -= ETH_FCS_LEN;
 573
 574     if (( !(*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI))) && // unicast address
 575         (IS_FRAGMENT_PKT((skb->data+4)))
 576         ) {
 577         // defragment
 578         bDeFragRx = WCTLbHandleFragment(pDevice, (PS802_11Header) (skb->data+4), FrameSize, bIsWEP, bExtIV);
 579         pDevice->s802_11Counter.ReceivedFragmentCount++;
 580         if (bDeFragRx) {
 581             // defrag complete
 582             skb = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].skb;
 583             FrameSize = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].cbFrameLength;
 584
 585         }
 586         else {
 587             return FALSE;
 588         }
 589     }
 590
 591
 592 // Management & Control frame Handle
 593     if ((IS_TYPE_DATA((skb->data+4))) == FALSE) {
 594         // Handle Control & Manage Frame
 595
 596         if (IS_TYPE_MGMT((skb->data+4))) {
 597             PBYTE pbyData1;
 598             PBYTE pbyData2;
 599
 600             pRxPacket->p80211Header = (PUWLAN_80211HDR)(skb->data+4);
 601             pRxPacket->cbMPDULen = FrameSize;
 602             pRxPacket->uRSSI = *pbyRSSI;
 603             pRxPacket->bySQ = *pbySQ;
 604             HIDWORD(pRxPacket->qwLocalTSF) = cpu_to_le32(HIDWORD(*pqwTSFTime));
 605             LODWORD(pRxPacket->qwLocalTSF) = cpu_to_le32(LODWORD(*pqwTSFTime));
 606             if (bIsWEP) {
 607                 // strip IV
 608                 pbyData1 = WLAN_HDR_A3_DATA_PTR(skb->data+4);
 609                 pbyData2 = WLAN_HDR_A3_DATA_PTR(skb->data+4) + 4;
 610                 for (ii = 0; ii < (FrameSize - 4); ii++) {
 611                     *pbyData1 = *pbyData2;
 612                      pbyData1++;
 613                      pbyData2++;
 614                 }
 615             }
 616             pRxPacket->byRxRate = s_byGetRateIdx(*pbyRxRate);
 617             pRxPacket->byRxChannel = (*pbyRxSts) >> 2;
 618 //PLICE_DEBUG->
 619 //EnQueue(pDevice,pRxPacket);
 620
 621 #ifdef  THREAD
 622                 EnQueue(pDevice,pRxPacket);
 623
 624                 //printk("enque time is %x\n",jiffies);
 625                 //up(&pDevice->mlme_semaphore);
 626                         //Enque (pDevice->FirstRecvMngList,pDevice->LastRecvMngList,pMgmt);
 627 #else
 628
 629 #ifdef  TASK_LET
 630                 EnQueue(pDevice,pRxPacket);
 631                 tasklet_schedule(&pDevice->RxMngWorkItem);
 632 #else
 633 //printk("RxMan\n");
 634         vMgrRxManagePacket((void *)pDevice, pDevice->pMgmt, pRxPacket);
 635            //tasklet_schedule(&pDevice->RxMngWorkItem);
 636 #endif
 637
 638 #endif
 639 //PLICE_DEBUG<-
 640                         //vMgrRxManagePacket((void *)pDevice, pDevice->pMgmt, pRxPacket);
 641             // hostap Deamon handle 802.11 management
 642             if (pDevice->bEnableHostapd) {
 643                     skb->dev = pDevice->apdev;
 644                     skb->data += 4;
 645                     skb->tail += 4;
 646                      skb_put(skb, FrameSize);
 647                 skb_reset_mac_header(skb);
 648                     skb->pkt_type = PACKET_OTHERHOST;
 649                 skb->protocol = htons(ETH_P_802_2);
 650                     memset(skb->cb, 0, sizeof(skb->cb));
 651                     netif_rx(skb);
 652                 return TRUE;
 653                 }
 654         }
 655         else {
 656             // Control Frame
 657         };
 658         return FALSE;
 659     }
 660     else {
 661         if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
 662             //In AP mode, hw only check addr1(BSSID or RA) if equal to local MAC.
 663             if ( !(*pbyRsr & RSR_BSSIDOK)) {
 664                 if (bDeFragRx) {
 665                     if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
 666                         DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
 667                         pDevice->dev->name);
 668                     }
 669                 }
 670                 return FALSE;
 671             }
 672         }
 673         else {
 674             // discard DATA packet while not associate || BSSID error
 675             if ((pDevice->bLinkPass == FALSE) ||
 676                 !(*pbyRsr & RSR_BSSIDOK)) {
 677                 if (bDeFragRx) {
 678                     if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
 679                         DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
 680                         pDevice->dev->name);
 681                     }
 682                 }
 683                 return FALSE;
 684             }
 685    //mike add:station mode check eapol-key challenge--->
 686           {
 687             BYTE  Protocol_Version;    //802.1x Authentication
 688             BYTE  Packet_Type;           //802.1x Authentication
 689               if (bIsWEP)
 690                   cbIVOffset = 8;
 691               else
 692                   cbIVOffset = 0;
 693               wEtherType = (skb->data[cbIVOffset + 8 + 24 + 6] << 8) |
 694                           skb->data[cbIVOffset + 8 + 24 + 6 + 1];
 695               Protocol_Version = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1];
 696               Packet_Type = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1];
 697              if (wEtherType == ETH_P_PAE) {         //Protocol Type in LLC-Header
 698                   if(((Protocol_Version==1) ||(Protocol_Version==2)) &&
 699                      (Packet_Type==3)) {  //802.1x OR eapol-key challenge frame receive
 700                         bRxeapol_key = TRUE;
 701                   }
 702               }
 703           }
 704     //mike add:station mode check eapol-key challenge<---
 705         }
 706     }
 707
 708
 709 // Data frame Handle
 710
 711
 712     if (pDevice->bEnablePSMode) {
 713         if (IS_FC_MOREDATA((skb->data+4))) {
 714             if (*pbyRsr & RSR_ADDROK) {
 715                 //PSbSendPSPOLL((PSDevice)pDevice);
 716             }
 717         }
 718         else {
 719             if (pDevice->pMgmt->bInTIMWake == TRUE) {
 720                 pDevice->pMgmt->bInTIMWake = FALSE;
 721             }
 722         }
 723     };
 724
 725     // Now it only supports 802.11g Infrastructure Mode, and support rate must up to 54 Mbps
 726     if (pDevice->bDiversityEnable && (FrameSize>50) &&
 727         (pDevice->eOPMode == OP_MODE_INFRASTRUCTURE) &&
 728         (pDevice->bLinkPass == TRUE)) {
 729         //printk("device_receive_frame: RxRate is %d\n",*pbyRxRate);
 730                 BBvAntennaDiversity(pDevice, s_byGetRateIdx(*pbyRxRate), 0);
 731     }
 732
 733
 734     if (pDevice->byLocalID != REV_ID_VT3253_B1) {
 735         pDevice->uCurrRSSI = *pbyRSSI;
 736     }
 737     pDevice->byCurrSQ = *pbySQ;
 738
 739     if ((*pbyRSSI != 0) &&
 740         (pMgmt->pCurrBSS!=NULL)) {
 741         RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm);
 742         // Moniter if RSSI is too strong.
 743         pMgmt->pCurrBSS->byRSSIStatCnt++;
 744         pMgmt->pCurrBSS->byRSSIStatCnt %= RSSI_STAT_COUNT;
 745         pMgmt->pCurrBSS->ldBmAverage[pMgmt->pCurrBSS->byRSSIStatCnt] = ldBm;
 746         for(ii=0;ii<RSSI_STAT_COUNT;ii++) {
 747             if (pMgmt->pCurrBSS->ldBmAverage[ii] != 0) {
 748             pMgmt->pCurrBSS->ldBmMAX = max(pMgmt->pCurrBSS->ldBmAverage[ii], ldBm);
 749             }
 750         }
 751     }
 752
 753     // -----------------------------------------------
 754
 755     if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->bEnable8021x == TRUE)){
 756         BYTE    abyMacHdr[24];
 757
 758         // Only 802.1x packet incoming allowed
 759         if (bIsWEP)
 760             cbIVOffset = 8;
 761         else
 762             cbIVOffset = 0;
 763         wEtherType = (skb->data[cbIVOffset + 4 + 24 + 6] << 8) |
 764                     skb->data[cbIVOffset + 4 + 24 + 6 + 1];
 765
 766             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"wEtherType = %04x \n", wEtherType);
 767         if (wEtherType == ETH_P_PAE) {
 768             skb->dev = pDevice->apdev;
 769
 770             if (bIsWEP == TRUE) {
 771                 // strip IV header(8)
 772                 memcpy(&abyMacHdr[0], (skb->data + 4), 24);
 773                 memcpy((skb->data + 4 + cbIVOffset), &abyMacHdr[0], 24);
 774             }
 775             skb->data +=  (cbIVOffset + 4);
 776             skb->tail +=  (cbIVOffset + 4);
 777             skb_put(skb, FrameSize);
 778             skb_reset_mac_header(skb);
 779
 780         skb->pkt_type = PACKET_OTHERHOST;
 781             skb->protocol = htons(ETH_P_802_2);
 782             memset(skb->cb, 0, sizeof(skb->cb));
 783             netif_rx(skb);
 784             return TRUE;
 785
 786 }
 787         // check if 802.1x authorized
 788         if (!(pMgmt->sNodeDBTable[iSANodeIndex].dwFlags & WLAN_STA_AUTHORIZED))
 789             return FALSE;
 790     }
 791
 792
 793     if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
 794         if (bIsWEP) {
 795             FrameSize -= 8;  //MIC
 796         }
 797     }
 798
 799     //--------------------------------------------------------------------------------
 800     // Soft MIC
 801     if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
 802         if (bIsWEP) {
 803             PDWORD          pdwMIC_L;
 804             PDWORD          pdwMIC_R;
 805             DWORD           dwMIC_Priority;
 806             DWORD           dwMICKey0 = 0, dwMICKey1 = 0;
 807             DWORD           dwLocalMIC_L = 0;
 808             DWORD           dwLocalMIC_R = 0;
 809             viawget_wpa_header *wpahdr;
 810
 811
 812             if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
 813                 dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[24]));
 814                 dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[28]));
 815             }
 816             else {
 817                 if (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) {
 818                     dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[16]));
 819                     dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[20]));
 820                 } else if ((pKey->dwKeyIndex & BIT28) == 0) {
 821                     dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[16]));
 822                     dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[20]));
 823                 } else {
 824                     dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[24]));
 825                     dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[28]));
 826                 }
 827             }
 828
 829             MIC_vInit(dwMICKey0, dwMICKey1);
 830             MIC_vAppend((PBYTE)&(pDevice->sRxEthHeader.abyDstAddr[0]), 12);
 831             dwMIC_Priority = 0;
 832             MIC_vAppend((PBYTE)&dwMIC_Priority, 4);
 833             // 4 is Rcv buffer header, 24 is MAC Header, and 8 is IV and Ext IV.
 834             MIC_vAppend((PBYTE)(skb->data + 4 + WLAN_HDR_ADDR3_LEN + 8),
 835                         FrameSize - WLAN_HDR_ADDR3_LEN - 8);
 836             MIC_vGetMIC(&dwLocalMIC_L, &dwLocalMIC_R);
 837             MIC_vUnInit();
 838
 839             pdwMIC_L = (PDWORD)(skb->data + 4 + FrameSize);
 840             pdwMIC_R = (PDWORD)(skb->data + 4 + FrameSize + 4);
 841             //DBG_PRN_GRP12(("RxL: %lx, RxR: %lx\n", *pdwMIC_L, *pdwMIC_R));
 842             //DBG_PRN_GRP12(("LocalL: %lx, LocalR: %lx\n", dwLocalMIC_L, dwLocalMIC_R));
 843             //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"dwMICKey0= %lx,dwMICKey1= %lx \n", dwMICKey0, dwMICKey1);
 844
 845
 846             if ((cpu_to_le32(*pdwMIC_L) != dwLocalMIC_L) || (cpu_to_le32(*pdwMIC_R) != dwLocalMIC_R) ||
 847                 (pDevice->bRxMICFail == TRUE)) {
 848                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC comparison is fail!\n");
 849                 pDevice->bRxMICFail = FALSE;
 850                 //pDevice->s802_11Counter.TKIPLocalMICFailures.QuadPart++;
 851                 pDevice->s802_11Counter.TKIPLocalMICFailures++;
 852                 if (bDeFragRx) {
 853                     if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
 854                         DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
 855                             pDevice->dev->name);
 856                     }
 857                 }
 858                //2008-0409-07, <Add> by Einsn Liu
 859        #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
 860                                 //send event to wpa_supplicant
 861                                 //if(pDevice->bWPADevEnable == TRUE)
 862                                 {
 863                                         union iwreq_data wrqu;
 864                                         struct iw_michaelmicfailure ev;
 865                                         int keyidx = pbyFrame[cbHeaderSize+3] >> 6; //top two-bits
 866                                         memset(&ev, 0, sizeof(ev));
 867                                         ev.flags = keyidx & IW_MICFAILURE_KEY_ID;
 868                                         if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
 869                                                         (pMgmt->eCurrState == WMAC_STATE_ASSOC) &&
 870                                                                 (*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) {
 871                                                 ev.flags |= IW_MICFAILURE_PAIRWISE;
 872                                         } else {
 873                                                 ev.flags |= IW_MICFAILURE_GROUP;
 874                                         }
 875
 876                                         ev.src_addr.sa_family = ARPHRD_ETHER;
 877                                         memcpy(ev.src_addr.sa_data, pMACHeader->abyAddr2, ETH_ALEN);
 878                                         memset(&wrqu, 0, sizeof(wrqu));
 879                                         wrqu.data.length = sizeof(ev);
 880                                         wireless_send_event(pDevice->dev, IWEVMICHAELMICFAILURE, &wrqu, (char *)&ev);
 881
 882                                 }
 883          #endif
 884
 885
 886                 if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) {
 887                      wpahdr = (viawget_wpa_header *)pDevice->skb->data;
 888                      if ((pDevice->pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
 889                          (pDevice->pMgmt->eCurrState == WMAC_STATE_ASSOC) &&
 890                          (*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) {
 891                          //s802_11_Status.Flags = NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR;
 892                          wpahdr->type = VIAWGET_PTK_MIC_MSG;
 893                      } else {
 894                          //s802_11_Status.Flags = NDIS_802_11_AUTH_REQUEST_GROUP_ERROR;
 895                          wpahdr->type = VIAWGET_GTK_MIC_MSG;
 896                      }
 897                      wpahdr->resp_ie_len = 0;
 898                      wpahdr->req_ie_len = 0;
 899                      skb_put(pDevice->skb, sizeof(viawget_wpa_header));
 900                      pDevice->skb->dev = pDevice->wpadev;
 901                      skb_reset_mac_header(pDevice->skb);
 902                      pDevice->skb->pkt_type = PACKET_HOST;
 903                      pDevice->skb->protocol = htons(ETH_P_802_2);
 904                      memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb));
 905                      netif_rx(pDevice->skb);
 906                      pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
 907                  };
 908
 909                 return FALSE;
 910
 911             }
 912         }
 913     } //---end of SOFT MIC-----------------------------------------------------------------------
 914
 915     // ++++++++++ Reply Counter Check +++++++++++++
 916
 917     if ((pKey != NULL) && ((pKey->byCipherSuite == KEY_CTL_TKIP) ||
 918                            (pKey->byCipherSuite == KEY_CTL_CCMP))) {
 919         if (bIsWEP) {
 920             WORD        wLocalTSC15_0 = 0;
 921             DWORD       dwLocalTSC47_16 = 0;
 922             ULONGLONG       RSC = 0;
 923             // endian issues
 924             RSC = *((ULONGLONG *) &(pKey->KeyRSC));
 925             wLocalTSC15_0 = (WORD) RSC;
 926             dwLocalTSC47_16 = (DWORD) (RSC>>16);
 927
 928             RSC = dwRxTSC47_16;
 929             RSC <<= 16;
 930             RSC += wRxTSC15_0;
 931             memcpy(&(pKey->KeyRSC), &RSC,  sizeof(QWORD));
 932
 933             if ( (pDevice->sMgmtObj.eCurrMode == WMAC_MODE_ESS_STA) &&
 934                  (pDevice->sMgmtObj.eCurrState == WMAC_STATE_ASSOC)) {
 935                 // check RSC
 936                 if ( (wRxTSC15_0 < wLocalTSC15_0) &&
 937                      (dwRxTSC47_16 <= dwLocalTSC47_16) &&
 938                      !((dwRxTSC47_16 == 0) && (dwLocalTSC47_16 == 0xFFFFFFFF))) {
 939                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC is illegal~~!\n ");
 940                     if (pKey->byCipherSuite == KEY_CTL_TKIP)
 941                         //pDevice->s802_11Counter.TKIPReplays.QuadPart++;
 942                         pDevice->s802_11Counter.TKIPReplays++;
 943                     else
 944                         //pDevice->s802_11Counter.CCMPReplays.QuadPart++;
 945                         pDevice->s802_11Counter.CCMPReplays++;
 946
 947                     if (bDeFragRx) {
 948                         if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
 949                             DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
 950                                 pDevice->dev->name);
 951                         }
 952                     }
 953                     return FALSE;
 954                 }
 955             }
 956         }
 957     } // ----- End of Reply Counter Check --------------------------
 958
 959
 960
 961     if ((pKey != NULL) && (bIsWEP)) {
 962 //      pDevice->s802_11Counter.DecryptSuccessCount.QuadPart++;
 963     }
 964
 965
 966     s_vProcessRxMACHeader(pDevice, (PBYTE)(skb->data+4), FrameSize, bIsWEP, bExtIV, &cbHeaderOffset);
 967     FrameSize -= cbHeaderOffset;
 968     cbHeaderOffset += 4;        // 4 is Rcv buffer header
 969
 970     // Null data, framesize = 14
 971     if (FrameSize < 15)
 972         return FALSE;
 973
 974     if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
 975         if (s_bAPModeRxData(pDevice,
 976                             skb,
 977                             FrameSize,
 978                             cbHeaderOffset,
 979                             iSANodeIndex,
 980                             iDANodeIndex
 981                             ) == FALSE) {
 982
 983             if (bDeFragRx) {
 984                 if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
 985                     DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
 986                     pDevice->dev->name);
 987                 }
 988             }
 989             return FALSE;
 990         }
 991
 992 //        if(pDevice->bRxMICFail == FALSE) {
 993 //           for (ii =0; ii < 100; ii++)
 994 //                printk(" %02x", *(skb->data + ii));
 995 //           printk("\n");
 996 //          }
 997
 998     }
 999
1000         skb->data += cbHeaderOffset;
1001         skb->tail += cbHeaderOffset;
1002     skb_put(skb, FrameSize);
1003     skb->protocol=eth_type_trans(skb, skb->dev);
1004
1005
1006         //drop frame not met IEEE 802.3
1007 /*
1008         if (pDevice->flags & DEVICE_FLAGS_VAL_PKT_LEN) {
1009                 if ((skb->protocol==htons(ETH_P_802_3)) &&
1010                         (skb->len!=htons(skb->mac.ethernet->h_proto))) {
1011                         pStats->rx_length_errors++;
1012                         pStats->rx_dropped++;
1013             if (bDeFragRx) {
1014                 if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
1015                     DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
1016                     pDevice->dev->name);
1017                 }
1018             }
1019                         return FALSE;
1020                 }
1021         }
1022 */
1023
1024     skb->ip_summed=CHECKSUM_NONE;
1025     pStats->rx_bytes +=skb->len;
1026     pStats->rx_packets++;
1027     netif_rx(skb);
1028
1029     if (bDeFragRx) {
1030         if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
1031             DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
1032                 pDevice->dev->name);
1033         }
1034         return FALSE;
1035     }
1036
1037     return TRUE;
1038 }
1039
1040
1041 static BOOL s_bAPModeRxCtl (
1042     PSDevice pDevice,
1043     PBYTE    pbyFrame,
1044     int      iSANodeIndex
1045     )
1046 {
1047     PS802_11Header      p802_11Header;
1048     CMD_STATUS          Status;
1049     PSMgmtObject        pMgmt = pDevice->pMgmt;
1050
1051
1052     if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) {
1053
1054         p802_11Header = (PS802_11Header) (pbyFrame);
1055         if (!IS_TYPE_MGMT(pbyFrame)) {
1056
1057             // Data & PS-Poll packet
1058             // check frame class
1059             if (iSANodeIndex > 0) {
1060                 // frame class 3 fliter & checking
1061                 if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_AUTH) {
1062                     // send deauth notification
1063                     // reason = (6) class 2 received from nonauth sta
1064                     vMgrDeAuthenBeginSta(pDevice,
1065                                          pMgmt,
1066                                          (PBYTE)(p802_11Header->abyAddr2),
1067                                          (WLAN_MGMT_REASON_CLASS2_NONAUTH),
1068                                          &Status
1069                                          );
1070                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 1\n");
1071                     return TRUE;
1072                 };
1073                 if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_ASSOC) {
1074                     // send deassoc notification
1075                     // reason = (7) class 3 received from nonassoc sta
1076                     vMgrDisassocBeginSta(pDevice,
1077                                          pMgmt,
1078                                          (PBYTE)(p802_11Header->abyAddr2),
1079                                          (WLAN_MGMT_REASON_CLASS3_NONASSOC),
1080                                          &Status
1081                                          );
1082                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDisassocBeginSta 2\n");
1083                     return TRUE;
1084                 };
1085
1086                 if (pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable) {
1087                     // delcare received ps-poll event
1088                     if (IS_CTL_PSPOLL(pbyFrame)) {
1089                         pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = TRUE;
1090                         bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
1091                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 1\n");
1092                     }
1093                     else {
1094                         // check Data PS state
1095                         // if PW bit off, send out all PS bufferring packets.
1096                         if (!IS_FC_POWERMGT(pbyFrame)) {
1097                             pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = FALSE;
1098                             pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = TRUE;
1099                             bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
1100                             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 2\n");
1101                         }
1102                     }
1103                 }
1104                 else {
1105                    if (IS_FC_POWERMGT(pbyFrame)) {
1106                        pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = TRUE;
1107                        // Once if STA in PS state, enable multicast bufferring
1108                        pMgmt->sNodeDBTable[0].bPSEnable = TRUE;
1109                    }
1110                    else {
1111                       // clear all pending PS frame.
1112                       if (pMgmt->sNodeDBTable[iSANodeIndex].wEnQueueCnt > 0) {
1113                           pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = FALSE;
1114                           pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = TRUE;
1115                           bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
1116                          DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 3\n");
1117
1118                       }
1119                    }
1120                 }
1121             }
1122             else {
1123                   vMgrDeAuthenBeginSta(pDevice,
1124                                        pMgmt,
1125                                        (PBYTE)(p802_11Header->abyAddr2),
1126                                        (WLAN_MGMT_REASON_CLASS2_NONAUTH),
1127                                        &Status
1128                                        );
1129                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 3\n");
1130                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSSID:%02x-%02x-%02x=%02x-%02x-%02x \n",
1131                                 p802_11Header->abyAddr3[0],
1132                                 p802_11Header->abyAddr3[1],
1133                                 p802_11Header->abyAddr3[2],
1134                                 p802_11Header->abyAddr3[3],
1135                                 p802_11Header->abyAddr3[4],
1136                                 p802_11Header->abyAddr3[5]
1137                                );
1138                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR2:%02x-%02x-%02x=%02x-%02x-%02x \n",
1139                                 p802_11Header->abyAddr2[0],
1140                                 p802_11Header->abyAddr2[1],
1141                                 p802_11Header->abyAddr2[2],
1142                                 p802_11Header->abyAddr2[3],
1143                                 p802_11Header->abyAddr2[4],
1144                                 p802_11Header->abyAddr2[5]
1145                                );
1146                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR1:%02x-%02x-%02x=%02x-%02x-%02x \n",
1147                                 p802_11Header->abyAddr1[0],
1148                                 p802_11Header->abyAddr1[1],
1149                                 p802_11Header->abyAddr1[2],
1150                                 p802_11Header->abyAddr1[3],
1151                                 p802_11Header->abyAddr1[4],
1152                                 p802_11Header->abyAddr1[5]
1153                                );
1154                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: wFrameCtl= %x\n", p802_11Header->wFrameCtl );
1155                     VNSvInPortB(pDevice->PortOffset + MAC_REG_RCR, &(pDevice->byRxMode));
1156                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc:pDevice->byRxMode = %x\n", pDevice->byRxMode );
1157                     return TRUE;
1158             }
1159         }
1160     }
1161     return FALSE;
1162
1163 }
1164
1165 static BOOL s_bHandleRxEncryption (
1166     PSDevice     pDevice,
1167     PBYTE        pbyFrame,
1168     UINT         FrameSize,
1169     PBYTE        pbyRsr,
1170     PBYTE       pbyNewRsr,
1171     PSKeyItem   *pKeyOut,
1172     int *       pbExtIV,
1173     PWORD       pwRxTSC15_0,
1174     PDWORD      pdwRxTSC47_16
1175     )
1176 {
1177     UINT            PayloadLen = FrameSize;
1178     PBYTE           pbyIV;
1179     BYTE            byKeyIdx;
1180     PSKeyItem       pKey = NULL;
1181     BYTE            byDecMode = KEY_CTL_WEP;
1182     PSMgmtObject    pMgmt = pDevice->pMgmt;
1183
1184
1185     *pwRxTSC15_0 = 0;
1186     *pdwRxTSC47_16 = 0;
1187
1188     pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
1189     if ( WLAN_GET_FC_TODS(*(PWORD)pbyFrame) &&
1190          WLAN_GET_FC_FROMDS(*(PWORD)pbyFrame) ) {
1191          pbyIV += 6;             // 6 is 802.11 address4
1192          PayloadLen -= 6;
1193     }
1194     byKeyIdx = (*(pbyIV+3) & 0xc0);
1195     byKeyIdx >>= 6;
1196     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\nKeyIdx: %d\n", byKeyIdx);
1197
1198     if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
1199         (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) ||
1200         (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) ||
1201         (pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
1202         (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
1203         if (((*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) &&
1204             (pDevice->pMgmt->byCSSPK != KEY_CTL_NONE)) {
1205             // unicast pkt use pairwise key
1206             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"unicast pkt\n");
1207             if (KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, 0xFFFFFFFF, &pKey) == TRUE) {
1208                 if (pDevice->pMgmt->byCSSPK == KEY_CTL_TKIP)
1209                     byDecMode = KEY_CTL_TKIP;
1210                 else if (pDevice->pMgmt->byCSSPK == KEY_CTL_CCMP)
1211                     byDecMode = KEY_CTL_CCMP;
1212             }
1213             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"unicast pkt: %d, %p\n", byDecMode, pKey);
1214         } else {
1215             // use group key
1216             KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, byKeyIdx, &pKey);
1217             if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
1218                 byDecMode = KEY_CTL_TKIP;
1219             else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP)
1220                 byDecMode = KEY_CTL_CCMP;
1221             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"group pkt: %d, %d, %p\n", byKeyIdx, byDecMode, pKey);
1222         }
1223     }
1224     // our WEP only support Default Key
1225     if (pKey == NULL) {
1226         // use default group key
1227         KeybGetKey(&(pDevice->sKey), pDevice->abyBroadcastAddr, byKeyIdx, &pKey);
1228         if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
1229             byDecMode = KEY_CTL_TKIP;
1230         else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP)
1231             byDecMode = KEY_CTL_CCMP;
1232     }
1233     *pKeyOut = pKey;
1234
1235     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"AES:%d %d %d\n", pDevice->pMgmt->byCSSPK, pDevice->pMgmt->byCSSGK, byDecMode);
1236
1237     if (pKey == NULL) {
1238         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey == NULL\n");
1239         if (byDecMode == KEY_CTL_WEP) {
1240 //            pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++;
1241         } else if (pDevice->bLinkPass == TRUE) {
1242 //            pDevice->s802_11Counter.DecryptFailureCount.QuadPart++;
1243         }
1244         return FALSE;
1245     }
1246     if (byDecMode != pKey->byCipherSuite) {
1247         if (byDecMode == KEY_CTL_WEP) {
1248 //            pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++;
1249         } else if (pDevice->bLinkPass == TRUE) {
1250 //            pDevice->s802_11Counter.DecryptFailureCount.QuadPart++;
1251         }
1252         *pKeyOut = NULL;
1253         return FALSE;
1254     }
1255     if (byDecMode == KEY_CTL_WEP) {
1256         // handle WEP
1257         if ((pDevice->byLocalID <= REV_ID_VT3253_A1) ||
1258             (((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == TRUE)) {
1259             // Software WEP
1260             // 1. 3253A
1261             // 2. WEP 256
1262
1263             PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc
1264             memcpy(pDevice->abyPRNG, pbyIV, 3);
1265             memcpy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength);
1266             rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3);
1267             rc4_encrypt(&pDevice->SBox, pbyIV+4, pbyIV+4, PayloadLen);
1268
1269             if (ETHbIsBufferCrc32Ok(pbyIV+4, PayloadLen)) {
1270                 *pbyNewRsr |= NEWRSR_DECRYPTOK;
1271             }
1272         }
1273     } else if ((byDecMode == KEY_CTL_TKIP) ||
1274                (byDecMode == KEY_CTL_CCMP)) {
1275         // TKIP/AES
1276
1277         PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc
1278         *pdwRxTSC47_16 = cpu_to_le32(*(PDWORD)(pbyIV + 4));
1279         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %lx\n",*pdwRxTSC47_16);
1280         if (byDecMode == KEY_CTL_TKIP) {
1281             *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV));
1282         } else {
1283             *pwRxTSC15_0 = cpu_to_le16(*(PWORD)pbyIV);
1284         }
1285         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC0_15: %x\n", *pwRxTSC15_0);
1286
1287         if ((byDecMode == KEY_CTL_TKIP) &&
1288             (pDevice->byLocalID <= REV_ID_VT3253_A1)) {
1289             // Software TKIP
1290             // 1. 3253 A
1291             PS802_11Header  pMACHeader = (PS802_11Header) (pbyFrame);
1292             TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG);
1293             rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN);
1294             rc4_encrypt(&pDevice->SBox, pbyIV+8, pbyIV+8, PayloadLen);
1295             if (ETHbIsBufferCrc32Ok(pbyIV+8, PayloadLen)) {
1296                 *pbyNewRsr |= NEWRSR_DECRYPTOK;
1297                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV OK!\n");
1298             } else {
1299                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV FAIL!!!\n");
1300                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PayloadLen = %d\n", PayloadLen);
1301             }
1302         }
1303     }// end of TKIP/AES
1304
1305     if ((*(pbyIV+3) & 0x20) != 0)
1306         *pbExtIV = TRUE;
1307     return TRUE;
1308 }
1309
1310
1311 static BOOL s_bHostWepRxEncryption (
1312     PSDevice     pDevice,
1313     PBYTE        pbyFrame,
1314     UINT         FrameSize,
1315     PBYTE        pbyRsr,
1316     BOOL         bOnFly,
1317     PSKeyItem    pKey,
1318     PBYTE       pbyNewRsr,
1319     int *       pbExtIV,
1320     PWORD       pwRxTSC15_0,
1321     PDWORD      pdwRxTSC47_16
1322     )
1323 {
1324     UINT            PayloadLen = FrameSize;
1325     PBYTE           pbyIV;
1326     BYTE            byKeyIdx;
1327     BYTE            byDecMode = KEY_CTL_WEP;
1328     PS802_11Header  pMACHeader;
1329
1330
1331
1332     *pwRxTSC15_0 = 0;
1333     *pdwRxTSC47_16 = 0;
1334
1335     pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
1336     if ( WLAN_GET_FC_TODS(*(PWORD)pbyFrame) &&
1337          WLAN_GET_FC_FROMDS(*(PWORD)pbyFrame) ) {
1338          pbyIV += 6;             // 6 is 802.11 address4
1339          PayloadLen -= 6;
1340     }
1341     byKeyIdx = (*(pbyIV+3) & 0xc0);
1342     byKeyIdx >>= 6;
1343     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\nKeyIdx: %d\n", byKeyIdx);
1344
1345
1346     if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
1347         byDecMode = KEY_CTL_TKIP;
1348     else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP)
1349         byDecMode = KEY_CTL_CCMP;
1350
1351     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"AES:%d %d %d\n", pDevice->pMgmt->byCSSPK, pDevice->pMgmt->byCSSGK, byDecMode);
1352
1353     if (byDecMode != pKey->byCipherSuite) {
1354         if (byDecMode == KEY_CTL_WEP) {
1355 //            pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++;
1356         } else if (pDevice->bLinkPass == TRUE) {
1357 //            pDevice->s802_11Counter.DecryptFailureCount.QuadPart++;
1358         }
1359         return FALSE;
1360     }
1361
1362     if (byDecMode == KEY_CTL_WEP) {
1363         // handle WEP
1364         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"byDecMode == KEY_CTL_WEP \n");
1365         if ((pDevice->byLocalID <= REV_ID_VT3253_A1) ||
1366             (((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == TRUE) ||
1367             (bOnFly == FALSE)) {
1368             // Software WEP
1369             // 1. 3253A
1370             // 2. WEP 256
1371             // 3. NotOnFly
1372
1373             PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc
1374             memcpy(pDevice->abyPRNG, pbyIV, 3);
1375             memcpy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength);
1376             rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3);
1377             rc4_encrypt(&pDevice->SBox, pbyIV+4, pbyIV+4, PayloadLen);
1378
1379             if (ETHbIsBufferCrc32Ok(pbyIV+4, PayloadLen)) {
1380                 *pbyNewRsr |= NEWRSR_DECRYPTOK;
1381             }
1382         }
1383     } else if ((byDecMode == KEY_CTL_TKIP) ||
1384                (byDecMode == KEY_CTL_CCMP)) {
1385         // TKIP/AES
1386
1387         PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc
1388         *pdwRxTSC47_16 = cpu_to_le32(*(PDWORD)(pbyIV + 4));
1389         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %lx\n",*pdwRxTSC47_16);
1390
1391         if (byDecMode == KEY_CTL_TKIP) {
1392             *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV));
1393         } else {
1394             *pwRxTSC15_0 = cpu_to_le16(*(PWORD)pbyIV);
1395         }
1396         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC0_15: %x\n", *pwRxTSC15_0);
1397
1398         if (byDecMode == KEY_CTL_TKIP) {
1399
1400             if ((pDevice->byLocalID <= REV_ID_VT3253_A1) || (bOnFly == FALSE)) {
1401                 // Software TKIP
1402                 // 1. 3253 A
1403                 // 2. NotOnFly
1404                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"soft KEY_CTL_TKIP \n");
1405                 pMACHeader = (PS802_11Header) (pbyFrame);
1406                 TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG);
1407                 rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN);
1408                 rc4_encrypt(&pDevice->SBox, pbyIV+8, pbyIV+8, PayloadLen);
1409                 if (ETHbIsBufferCrc32Ok(pbyIV+8, PayloadLen)) {
1410                     *pbyNewRsr |= NEWRSR_DECRYPTOK;
1411                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV OK!\n");
1412                 } else {
1413                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV FAIL!!!\n");
1414                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PayloadLen = %d\n", PayloadLen);
1415                 }
1416             }
1417         }
1418
1419         if (byDecMode == KEY_CTL_CCMP) {
1420             if (bOnFly == FALSE) {
1421                 // Software CCMP
1422                 // NotOnFly
1423                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"soft KEY_CTL_CCMP\n");
1424                 if (AESbGenCCMP(pKey->abyKey, pbyFrame, FrameSize)) {
1425                     *pbyNewRsr |= NEWRSR_DECRYPTOK;
1426                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"CCMP MIC compare OK!\n");
1427                 } else {
1428                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"CCMP MIC fail!\n");
1429                 }
1430             }
1431         }
1432
1433     }// end of TKIP/AES
1434
1435     if ((*(pbyIV+3) & 0x20) != 0)
1436         *pbExtIV = TRUE;
1437     return TRUE;
1438 }
1439
1440
1441
1442 static BOOL s_bAPModeRxData (
1443     PSDevice pDevice,
1444     struct sk_buff* skb,
1445     UINT     FrameSize,
1446     UINT     cbHeaderOffset,
1447     int      iSANodeIndex,
1448     int      iDANodeIndex
1449     )
1450 {
1451     PSMgmtObject        pMgmt = pDevice->pMgmt;
1452     BOOL                bRelayAndForward = FALSE;
1453     BOOL                bRelayOnly = FALSE;
1454     BYTE                byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
1455     WORD                wAID;
1456
1457
1458     struct sk_buff* skbcpy = NULL;
1459
1460     if (FrameSize > CB_MAX_BUF_SIZE)
1461         return FALSE;
1462     // check DA
1463     if(is_multicast_ether_addr((PBYTE)(skb->data+cbHeaderOffset))) {
1464        if (pMgmt->sNodeDBTable[0].bPSEnable) {
1465
1466            skbcpy = dev_alloc_skb((int)pDevice->rx_buf_sz);
1467
1468         // if any node in PS mode, buffer packet until DTIM.
1469            if (skbcpy == NULL) {
1470                DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "relay multicast no skb available \n");
1471            }
1472            else {
1473                skbcpy->dev = pDevice->dev;
1474                skbcpy->len = FrameSize;
1475                memcpy(skbcpy->data, skb->data+cbHeaderOffset, FrameSize);
1476                skb_queue_tail(&(pMgmt->sNodeDBTable[0].sTxPSQueue), skbcpy);
1477
1478                pMgmt->sNodeDBTable[0].wEnQueueCnt++;
1479                // set tx map
1480                pMgmt->abyPSTxMap[0] |= byMask[0];
1481            }
1482        }
1483        else {
1484            bRelayAndForward = TRUE;
1485        }
1486     }
1487     else {
1488         // check if relay
1489         if (BSSDBbIsSTAInNodeDB(pMgmt, (PBYTE)(skb->data+cbHeaderOffset), &iDANodeIndex)) {
1490             if (pMgmt->sNodeDBTable[iDANodeIndex].eNodeState >= NODE_ASSOC) {
1491                 if (pMgmt->sNodeDBTable[iDANodeIndex].bPSEnable) {
1492                     // queue this skb until next PS tx, and then release.
1493
1494                         skb->data += cbHeaderOffset;
1495                         skb->tail += cbHeaderOffset;
1496                     skb_put(skb, FrameSize);
1497                     skb_queue_tail(&pMgmt->sNodeDBTable[iDANodeIndex].sTxPSQueue, skb);
1498                     pMgmt->sNodeDBTable[iDANodeIndex].wEnQueueCnt++;
1499                     wAID = pMgmt->sNodeDBTable[iDANodeIndex].wAID;
1500                     pMgmt->abyPSTxMap[wAID >> 3] |=  byMask[wAID & 7];
1501                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "relay: index= %d, pMgmt->abyPSTxMap[%d]= %d\n",
1502                                iDANodeIndex, (wAID >> 3), pMgmt->abyPSTxMap[wAID >> 3]);
1503                     return TRUE;
1504                 }
1505                 else {
1506                     bRelayOnly = TRUE;
1507                 }
1508             }
1509         };
1510     }
1511
1512     if (bRelayOnly || bRelayAndForward) {
1513         // relay this packet right now
1514         if (bRelayAndForward)
1515             iDANodeIndex = 0;
1516
1517         if ((pDevice->uAssocCount > 1) && (iDANodeIndex >= 0)) {
1518             ROUTEbRelay(pDevice, (PBYTE)(skb->data + cbHeaderOffset), FrameSize, (UINT)iDANodeIndex);
1519         }
1520
1521         if (bRelayOnly)
1522             return FALSE;
1523     }
1524     // none associate, don't forward
1525     if (pDevice->uAssocCount == 0)
1526         return FALSE;
1527
1528     return TRUE;
1529 }
1530