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