Neatening only.
git diff -w shows no differences.
Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
drivers/staging/vt6655/dpc.c | 2982 +++++++++++++++++++++---------------------
drivers/staging/vt6655/dpc.h | 8 +-
2 files changed, 1495 insertions(+), 1495 deletions(-)
rewrite drivers/staging/vt6655/dpc.c (88%)
diff --git a/drivers/staging/vt6655/dpc.c b/drivers/staging/vt6655/dpc.c
dissimilarity index 88%
index 373e9e4..f96f9c1 100644
--- a/drivers/staging/vt6655/dpc.c
+++ b/drivers/staging/vt6655/dpc.c
@@ -1,1491 +1,1491 @@
-/*
- * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * File: dpc.c
- *
- * Purpose: handle dpc rx functions
- *
- * Author: Lyndon Chen
- *
- * Date: May 20, 2003
- *
- * Functions:
- * device_receive_frame - Rcv 802.11 frame function
- * s_bAPModeRxCtl- AP Rcv frame filer Ctl.
- * s_bAPModeRxData- AP Rcv data frame handle
- * s_bHandleRxEncryption- Rcv decrypted data via on-fly
- * s_bHostWepRxEncryption- Rcv encrypted data via host
- * s_byGetRateIdx- get rate index
- * s_vGetDASA- get data offset
- * s_vProcessRxMACHeader- Rcv 802.11 and translate to 802.3
- *
- * Revision History:
- *
- */
-
-#include "device.h"
-#include "rxtx.h"
-#include "tether.h"
-#include "card.h"
-#include "bssdb.h"
-#include "mac.h"
-#include "baseband.h"
-#include "michael.h"
-#include "tkip.h"
-#include "tcrc.h"
-#include "wctl.h"
-#include "wroute.h"
-#include "hostap.h"
-#include "rf.h"
-#include "iowpa.h"
-#include "aes_ccmp.h"
-
-
-
-/*--------------------- Static Definitions -------------------------*/
-
-/*--------------------- Static Classes ----------------------------*/
-
-/*--------------------- Static Variables --------------------------*/
-//static int msglevel =MSG_LEVEL_DEBUG;
-static int msglevel =MSG_LEVEL_INFO;
-
-const unsigned char acbyRxRate[MAX_RATE] =
-{2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108};
-
-
-/*--------------------- Static Functions --------------------------*/
-
-/*--------------------- Static Definitions -------------------------*/
-
-/*--------------------- Static Functions --------------------------*/
-
-static unsigned char s_byGetRateIdx(unsigned char byRate);
-
-
-static void
-s_vGetDASA(unsigned char *pbyRxBufferAddr, unsigned int *pcbHeaderSize,
- PSEthernetHeader psEthHeader);
-
-static void
-s_vProcessRxMACHeader(PSDevice pDevice, unsigned char *pbyRxBufferAddr,
- unsigned int cbPacketSize, bool bIsWEP, bool bExtIV,
- unsigned int *pcbHeadSize);
-
-static bool s_bAPModeRxCtl(
- PSDevice pDevice,
- unsigned char *pbyFrame,
- int iSANodeIndex
- );
-
-
-
-static bool s_bAPModeRxData (
- PSDevice pDevice,
- struct sk_buff* skb,
- unsigned int FrameSize,
- unsigned int cbHeaderOffset,
- int iSANodeIndex,
- int iDANodeIndex
- );
-
-
-static bool s_bHandleRxEncryption(
- PSDevice pDevice,
- unsigned char *pbyFrame,
- unsigned int FrameSize,
- unsigned char *pbyRsr,
- unsigned char *pbyNewRsr,
- PSKeyItem *pKeyOut,
- bool *pbExtIV,
- unsigned short *pwRxTSC15_0,
- unsigned long *pdwRxTSC47_16
- );
-
-static bool s_bHostWepRxEncryption(
-
- PSDevice pDevice,
- unsigned char *pbyFrame,
- unsigned int FrameSize,
- unsigned char *pbyRsr,
- bool bOnFly,
- PSKeyItem pKey,
- unsigned char *pbyNewRsr,
- bool *pbExtIV,
- unsigned short *pwRxTSC15_0,
- unsigned long *pdwRxTSC47_16
-
- );
-
-/*--------------------- Export Variables --------------------------*/
-
-/*+
- *
- * Description:
- * Translate Rcv 802.11 header to 802.3 header with Rx buffer
- *
- * Parameters:
- * In:
- * pDevice
- * dwRxBufferAddr - Address of Rcv Buffer
- * cbPacketSize - Rcv Packet size
- * bIsWEP - If Rcv with WEP
- * Out:
- * pcbHeaderSize - 802.11 header size
- *
- * Return Value: None
- *
--*/
-static void
-s_vProcessRxMACHeader(PSDevice pDevice, unsigned char *pbyRxBufferAddr,
- unsigned int cbPacketSize, bool bIsWEP, bool bExtIV,
- unsigned int *pcbHeadSize)
-{
- unsigned char *pbyRxBuffer;
- unsigned int cbHeaderSize = 0;
- unsigned short *pwType;
- PS802_11Header pMACHeader;
- int ii;
-
-
- pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize);
-
- s_vGetDASA((unsigned char *)pMACHeader, &cbHeaderSize, &pDevice->sRxEthHeader);
-
- if (bIsWEP) {
- if (bExtIV) {
- // strip IV&ExtIV , add 8 byte
- cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 8);
- } else {
- // strip IV , add 4 byte
- cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 4);
- }
- }
- else {
- cbHeaderSize += WLAN_HDR_ADDR3_LEN;
- };
-
- pbyRxBuffer = (unsigned char *) (pbyRxBufferAddr + cbHeaderSize);
- if (!compare_ether_addr(pbyRxBuffer, &pDevice->abySNAP_Bridgetunnel[0])) {
- cbHeaderSize += 6;
- }
- else if (!compare_ether_addr(pbyRxBuffer, &pDevice->abySNAP_RFC1042[0])) {
- cbHeaderSize += 6;
- pwType = (unsigned short *) (pbyRxBufferAddr + cbHeaderSize);
- if ((*pwType!= TYPE_PKT_IPX) && (*pwType != cpu_to_le16(0xF380))) {
- }
- else {
- cbHeaderSize -= 8;
- pwType = (unsigned short *) (pbyRxBufferAddr + cbHeaderSize);
- if (bIsWEP) {
- if (bExtIV) {
- *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); // 8 is IV&ExtIV
- } else {
- *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); // 4 is IV
- }
- }
- else {
- *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN);
- }
- }
- }
- else {
- cbHeaderSize -= 2;
- pwType = (unsigned short *) (pbyRxBufferAddr + cbHeaderSize);
- if (bIsWEP) {
- if (bExtIV) {
- *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); // 8 is IV&ExtIV
- } else {
- *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); // 4 is IV
- }
- }
- else {
- *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN);
- }
- }
-
- cbHeaderSize -= (ETH_ALEN * 2);
- pbyRxBuffer = (unsigned char *) (pbyRxBufferAddr + cbHeaderSize);
- for(ii=0;ii<ETH_ALEN;ii++)
- *pbyRxBuffer++ = pDevice->sRxEthHeader.abyDstAddr[ii];
- for(ii=0;ii<ETH_ALEN;ii++)
- *pbyRxBuffer++ = pDevice->sRxEthHeader.abySrcAddr[ii];
-
- *pcbHeadSize = cbHeaderSize;
-}
-
-
-
-
-static unsigned char s_byGetRateIdx (unsigned char byRate)
-{
- unsigned char byRateIdx;
-
- for (byRateIdx = 0; byRateIdx <MAX_RATE ; byRateIdx++) {
- if (acbyRxRate[byRateIdx%MAX_RATE] == byRate)
- return byRateIdx;
- }
- return 0;
-}
-
-
-static void
-s_vGetDASA(unsigned char *pbyRxBufferAddr, unsigned int *pcbHeaderSize,
- PSEthernetHeader psEthHeader)
-{
- unsigned int cbHeaderSize = 0;
- PS802_11Header pMACHeader;
- int ii;
-
- pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize);
-
- if ((pMACHeader->wFrameCtl & FC_TODS) == 0) {
- if (pMACHeader->wFrameCtl & FC_FROMDS) {
- for(ii=0;ii<ETH_ALEN;ii++) {
- psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii];
- psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr3[ii];
- }
- }
- else {
- // IBSS mode
- for(ii=0;ii<ETH_ALEN;ii++) {
- psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii];
- psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii];
- }
- }
- }
- else {
- // Is AP mode..
- if (pMACHeader->wFrameCtl & FC_FROMDS) {
- for(ii=0;ii<ETH_ALEN;ii++) {
- psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii];
- psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr4[ii];
- cbHeaderSize += 6;
- }
- }
- else {
- for(ii=0;ii<ETH_ALEN;ii++) {
- psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii];
- psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii];
- }
- }
- };
- *pcbHeaderSize = cbHeaderSize;
-}
-
-
-
-
-//PLICE_DEBUG ->
-
-void MngWorkItem(void *Context)
-{
- PSRxMgmtPacket pRxMgmtPacket;
- PSDevice pDevice = (PSDevice) Context;
- //printk("Enter MngWorkItem,Queue packet num is %d\n",pDevice->rxManeQueue.packet_num);
- spin_lock_irq(&pDevice->lock);
- while(pDevice->rxManeQueue.packet_num != 0)
- {
- pRxMgmtPacket = DeQueue(pDevice);
- vMgrRxManagePacket(pDevice, pDevice->pMgmt, pRxMgmtPacket);
- }
- spin_unlock_irq(&pDevice->lock);
-}
-
-
-//PLICE_DEBUG<-
-
-
-
-bool
-device_receive_frame (
- PSDevice pDevice,
- PSRxDesc pCurrRD
- )
-{
-
- PDEVICE_RD_INFO pRDInfo = pCurrRD->pRDInfo;
-#ifdef PLICE_DEBUG
- //printk("device_receive_frame:pCurrRD is %x,pRDInfo is %x\n",pCurrRD,pCurrRD->pRDInfo);
-#endif
- struct net_device_stats* pStats=&pDevice->stats;
- struct sk_buff* skb;
- PSMgmtObject pMgmt = pDevice->pMgmt;
- PSRxMgmtPacket pRxPacket = &(pDevice->pMgmt->sRxPacket);
- PS802_11Header p802_11Header;
- unsigned char *pbyRsr;
- unsigned char *pbyNewRsr;
- unsigned char *pbyRSSI;
- PQWORD pqwTSFTime;
- unsigned short *pwFrameSize;
- unsigned char *pbyFrame;
- bool bDeFragRx = false;
- bool bIsWEP = false;
- unsigned int cbHeaderOffset;
- unsigned int FrameSize;
- unsigned short wEtherType = 0;
- int iSANodeIndex = -1;
- int iDANodeIndex = -1;
- unsigned int ii;
- unsigned int cbIVOffset;
- bool bExtIV = false;
- unsigned char *pbyRxSts;
- unsigned char *pbyRxRate;
- unsigned char *pbySQ;
- unsigned int cbHeaderSize;
- PSKeyItem pKey = NULL;
- unsigned short wRxTSC15_0 = 0;
- unsigned long dwRxTSC47_16 = 0;
- SKeyItem STempKey;
- // 802.11h RPI
- unsigned long dwDuration = 0;
- long ldBm = 0;
- long ldBmThreshold = 0;
- PS802_11Header pMACHeader;
- bool bRxeapol_key = false;
-
-// DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- device_receive_frame---\n");
-
- skb = pRDInfo->skb;
-
-
-//PLICE_DEBUG->
-#if 1
- pci_unmap_single(pDevice->pcid, pRDInfo->skb_dma,
- pDevice->rx_buf_sz, PCI_DMA_FROMDEVICE);
-#endif
-//PLICE_DEBUG<-
- pwFrameSize = (unsigned short *)(skb->data + 2);
- FrameSize = cpu_to_le16(pCurrRD->m_rd1RD1.wReqCount) - cpu_to_le16(pCurrRD->m_rd0RD0.wResCount);
-
- // Max: 2312Payload + 30HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR
- // Min (ACK): 10HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR
- if ((FrameSize > 2364)||(FrameSize <= 32)) {
- // Frame Size error drop this packet.
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- WRONG Length 1 \n");
- return false;
- }
-
- pbyRxSts = (unsigned char *) (skb->data);
- pbyRxRate = (unsigned char *) (skb->data + 1);
- pbyRsr = (unsigned char *) (skb->data + FrameSize - 1);
- pbyRSSI = (unsigned char *) (skb->data + FrameSize - 2);
- pbyNewRsr = (unsigned char *) (skb->data + FrameSize - 3);
- pbySQ = (unsigned char *) (skb->data + FrameSize - 4);
- pqwTSFTime = (PQWORD) (skb->data + FrameSize - 12);
- pbyFrame = (unsigned char *)(skb->data + 4);
-
- // get packet size
- FrameSize = cpu_to_le16(*pwFrameSize);
-
- if ((FrameSize > 2346)|(FrameSize < 14)) { // Max: 2312Payload + 30HD +4CRC
- // Min: 14 bytes ACK
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- WRONG Length 2 \n");
- return false;
- }
-//PLICE_DEBUG->
-#if 1
- // update receive statistic counter
- STAvUpdateRDStatCounter(&pDevice->scStatistic,
- *pbyRsr,
- *pbyNewRsr,
- *pbyRxRate,
- pbyFrame,
- FrameSize);
-
-#endif
-
- pMACHeader=(PS802_11Header)((unsigned char *) (skb->data)+8);
-//PLICE_DEBUG<-
- if (pDevice->bMeasureInProgress == true) {
- if ((*pbyRsr & RSR_CRCOK) != 0) {
- pDevice->byBasicMap |= 0x01;
- }
- dwDuration = (FrameSize << 4);
- dwDuration /= acbyRxRate[*pbyRxRate%MAX_RATE];
- if (*pbyRxRate <= RATE_11M) {
- if (*pbyRxSts & 0x01) {
- // long preamble
- dwDuration += 192;
- } else {
- // short preamble
- dwDuration += 96;
- }
- } else {
- dwDuration += 16;
- }
- RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm);
- ldBmThreshold = -57;
- for (ii = 7; ii > 0;) {
- if (ldBm > ldBmThreshold) {
- break;
- }
- ldBmThreshold -= 5;
- ii--;
- }
- pDevice->dwRPIs[ii] += dwDuration;
- return false;
- }
-
- if (!is_multicast_ether_addr(pbyFrame)) {
- if (WCTLbIsDuplicate(&(pDevice->sDupRxCache), (PS802_11Header) (skb->data + 4))) {
- pDevice->s802_11Counter.FrameDuplicateCount++;
- return false;
- }
- }
-
-
- // Use for TKIP MIC
- s_vGetDASA(skb->data+4, &cbHeaderSize, &pDevice->sRxEthHeader);
-
- // filter packet send from myself
- if (!compare_ether_addr((unsigned char *)&(pDevice->sRxEthHeader.abySrcAddr[0]), pDevice->abyCurrentNetAddr))
- return false;
-
- if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) || (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)) {
- if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) {
- p802_11Header = (PS802_11Header) (pbyFrame);
- // get SA NodeIndex
- if (BSSDBbIsSTAInNodeDB(pMgmt, (unsigned char *)(p802_11Header->abyAddr2), &iSANodeIndex)) {
- pMgmt->sNodeDBTable[iSANodeIndex].ulLastRxJiffer = jiffies;
- pMgmt->sNodeDBTable[iSANodeIndex].uInActiveCount = 0;
- }
- }
- }
-
- if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
- if (s_bAPModeRxCtl(pDevice, pbyFrame, iSANodeIndex) == true) {
- return false;
- }
- }
-
-
- if (IS_FC_WEP(pbyFrame)) {
- bool bRxDecryOK = false;
-
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"rx WEP pkt\n");
- bIsWEP = true;
- if ((pDevice->bEnableHostWEP) && (iSANodeIndex >= 0)) {
- pKey = &STempKey;
- pKey->byCipherSuite = pMgmt->sNodeDBTable[iSANodeIndex].byCipherSuite;
- pKey->dwKeyIndex = pMgmt->sNodeDBTable[iSANodeIndex].dwKeyIndex;
- pKey->uKeyLength = pMgmt->sNodeDBTable[iSANodeIndex].uWepKeyLength;
- pKey->dwTSC47_16 = pMgmt->sNodeDBTable[iSANodeIndex].dwTSC47_16;
- pKey->wTSC15_0 = pMgmt->sNodeDBTable[iSANodeIndex].wTSC15_0;
- memcpy(pKey->abyKey,
- &pMgmt->sNodeDBTable[iSANodeIndex].abyWepKey[0],
- pKey->uKeyLength
- );
-
- bRxDecryOK = s_bHostWepRxEncryption(pDevice,
- pbyFrame,
- FrameSize,
- pbyRsr,
- pMgmt->sNodeDBTable[iSANodeIndex].bOnFly,
- pKey,
- pbyNewRsr,
- &bExtIV,
- &wRxTSC15_0,
- &dwRxTSC47_16);
- } else {
- bRxDecryOK = s_bHandleRxEncryption(pDevice,
- pbyFrame,
- FrameSize,
- pbyRsr,
- pbyNewRsr,
- &pKey,
- &bExtIV,
- &wRxTSC15_0,
- &dwRxTSC47_16);
- }
-
- if (bRxDecryOK) {
- if ((*pbyNewRsr & NEWRSR_DECRYPTOK) == 0) {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV Fail\n");
- if ( (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
- (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) ||
- (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) ||
- (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
- (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
-
- if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
- pDevice->s802_11Counter.TKIPICVErrors++;
- } else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP)) {
- pDevice->s802_11Counter.CCMPDecryptErrors++;
- } else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_WEP)) {
-// pDevice->s802_11Counter.WEPICVErrorCount.QuadPart++;
- }
- }
- return false;
- }
- } else {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"WEP Func Fail\n");
- return false;
- }
- if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP))
- FrameSize -= 8; // Message Integrity Code
- else
- FrameSize -= 4; // 4 is ICV
- }
-
-
- //
- // RX OK
- //
- //remove the CRC length
- FrameSize -= ETH_FCS_LEN;
-
- if (( !(*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI))) && // unicast address
- (IS_FRAGMENT_PKT((skb->data+4)))
- ) {
- // defragment
- bDeFragRx = WCTLbHandleFragment(pDevice, (PS802_11Header) (skb->data+4), FrameSize, bIsWEP, bExtIV);
- pDevice->s802_11Counter.ReceivedFragmentCount++;
- if (bDeFragRx) {
- // defrag complete
- skb = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].skb;
- FrameSize = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].cbFrameLength;
-
- }
- else {
- return false;
- }
- }
-
-
-// Management & Control frame Handle
- if ((IS_TYPE_DATA((skb->data+4))) == false) {
- // Handle Control & Manage Frame
-
- if (IS_TYPE_MGMT((skb->data+4))) {
- unsigned char *pbyData1;
- unsigned char *pbyData2;
-
- pRxPacket->p80211Header = (PUWLAN_80211HDR)(skb->data+4);
- pRxPacket->cbMPDULen = FrameSize;
- pRxPacket->uRSSI = *pbyRSSI;
- pRxPacket->bySQ = *pbySQ;
- HIDWORD(pRxPacket->qwLocalTSF) = cpu_to_le32(HIDWORD(*pqwTSFTime));
- LODWORD(pRxPacket->qwLocalTSF) = cpu_to_le32(LODWORD(*pqwTSFTime));
- if (bIsWEP) {
- // strip IV
- pbyData1 = WLAN_HDR_A3_DATA_PTR(skb->data+4);
- pbyData2 = WLAN_HDR_A3_DATA_PTR(skb->data+4) + 4;
- for (ii = 0; ii < (FrameSize - 4); ii++) {
- *pbyData1 = *pbyData2;
- pbyData1++;
- pbyData2++;
- }
- }
- pRxPacket->byRxRate = s_byGetRateIdx(*pbyRxRate);
- pRxPacket->byRxChannel = (*pbyRxSts) >> 2;
-//PLICE_DEBUG->
-//EnQueue(pDevice,pRxPacket);
-
-#ifdef THREAD
- EnQueue(pDevice,pRxPacket);
-
- //printk("enque time is %x\n",jiffies);
- //up(&pDevice->mlme_semaphore);
- //Enque (pDevice->FirstRecvMngList,pDevice->LastRecvMngList,pMgmt);
-#else
-
-#ifdef TASK_LET
- EnQueue(pDevice,pRxPacket);
- tasklet_schedule(&pDevice->RxMngWorkItem);
-#else
-//printk("RxMan\n");
- vMgrRxManagePacket((void *)pDevice, pDevice->pMgmt, pRxPacket);
- //tasklet_schedule(&pDevice->RxMngWorkItem);
-#endif
-
-#endif
-//PLICE_DEBUG<-
- //vMgrRxManagePacket((void *)pDevice, pDevice->pMgmt, pRxPacket);
- // hostap Deamon handle 802.11 management
- if (pDevice->bEnableHostapd) {
- skb->dev = pDevice->apdev;
- skb->data += 4;
- skb->tail += 4;
- skb_put(skb, FrameSize);
- skb_reset_mac_header(skb);
- skb->pkt_type = PACKET_OTHERHOST;
- skb->protocol = htons(ETH_P_802_2);
- memset(skb->cb, 0, sizeof(skb->cb));
- netif_rx(skb);
- return true;
- }
- }
- else {
- // Control Frame
- };
- return false;
- }
- else {
- if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
- //In AP mode, hw only check addr1(BSSID or RA) if equal to local MAC.
- if ( !(*pbyRsr & RSR_BSSIDOK)) {
- if (bDeFragRx) {
- if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
- DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
- pDevice->dev->name);
- }
- }
- return false;
- }
- }
- else {
- // discard DATA packet while not associate || BSSID error
- if ((pDevice->bLinkPass == false) ||
- !(*pbyRsr & RSR_BSSIDOK)) {
- if (bDeFragRx) {
- if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
- DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
- pDevice->dev->name);
- }
- }
- return false;
- }
- //mike add:station mode check eapol-key challenge--->
- {
- unsigned char Protocol_Version; //802.1x Authentication
- unsigned char Packet_Type; //802.1x Authentication
- if (bIsWEP)
- cbIVOffset = 8;
- else
- cbIVOffset = 0;
- wEtherType = (skb->data[cbIVOffset + 8 + 24 + 6] << 8) |
- skb->data[cbIVOffset + 8 + 24 + 6 + 1];
- Protocol_Version = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1];
- Packet_Type = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1];
- if (wEtherType == ETH_P_PAE) { //Protocol Type in LLC-Header
- if(((Protocol_Version==1) ||(Protocol_Version==2)) &&
- (Packet_Type==3)) { //802.1x OR eapol-key challenge frame receive
- bRxeapol_key = true;
- }
- }
- }
- //mike add:station mode check eapol-key challenge<---
- }
- }
-
-
-// Data frame Handle
-
-
- if (pDevice->bEnablePSMode) {
- if (IS_FC_MOREDATA((skb->data+4))) {
- if (*pbyRsr & RSR_ADDROK) {
- //PSbSendPSPOLL((PSDevice)pDevice);
- }
- }
- else {
- if (pDevice->pMgmt->bInTIMWake == true) {
- pDevice->pMgmt->bInTIMWake = false;
- }
- }
- }
-
- // Now it only supports 802.11g Infrastructure Mode, and support rate must up to 54 Mbps
- if (pDevice->bDiversityEnable && (FrameSize>50) &&
- (pDevice->eOPMode == OP_MODE_INFRASTRUCTURE) &&
- (pDevice->bLinkPass == true)) {
- //printk("device_receive_frame: RxRate is %d\n",*pbyRxRate);
- BBvAntennaDiversity(pDevice, s_byGetRateIdx(*pbyRxRate), 0);
- }
-
-
- if (pDevice->byLocalID != REV_ID_VT3253_B1) {
- pDevice->uCurrRSSI = *pbyRSSI;
- }
- pDevice->byCurrSQ = *pbySQ;
-
- if ((*pbyRSSI != 0) &&
- (pMgmt->pCurrBSS!=NULL)) {
- RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm);
- // Monitor if RSSI is too strong.
- pMgmt->pCurrBSS->byRSSIStatCnt++;
- pMgmt->pCurrBSS->byRSSIStatCnt %= RSSI_STAT_COUNT;
- pMgmt->pCurrBSS->ldBmAverage[pMgmt->pCurrBSS->byRSSIStatCnt] = ldBm;
- for(ii=0;ii<RSSI_STAT_COUNT;ii++) {
- if (pMgmt->pCurrBSS->ldBmAverage[ii] != 0) {
- pMgmt->pCurrBSS->ldBmMAX = max(pMgmt->pCurrBSS->ldBmAverage[ii], ldBm);
- }
- }
- }
-
- // -----------------------------------------------
-
- if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->bEnable8021x == true)){
- unsigned char abyMacHdr[24];
-
- // Only 802.1x packet incoming allowed
- if (bIsWEP)
- cbIVOffset = 8;
- else
- cbIVOffset = 0;
- wEtherType = (skb->data[cbIVOffset + 4 + 24 + 6] << 8) |
- skb->data[cbIVOffset + 4 + 24 + 6 + 1];
-
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"wEtherType = %04x \n", wEtherType);
- if (wEtherType == ETH_P_PAE) {
- skb->dev = pDevice->apdev;
-
- if (bIsWEP == true) {
- // strip IV header(8)
- memcpy(&abyMacHdr[0], (skb->data + 4), 24);
- memcpy((skb->data + 4 + cbIVOffset), &abyMacHdr[0], 24);
- }
- skb->data += (cbIVOffset + 4);
- skb->tail += (cbIVOffset + 4);
- skb_put(skb, FrameSize);
- skb_reset_mac_header(skb);
-
- skb->pkt_type = PACKET_OTHERHOST;
- skb->protocol = htons(ETH_P_802_2);
- memset(skb->cb, 0, sizeof(skb->cb));
- netif_rx(skb);
- return true;
-
-}
- // check if 802.1x authorized
- if (!(pMgmt->sNodeDBTable[iSANodeIndex].dwFlags & WLAN_STA_AUTHORIZED))
- return false;
- }
-
-
- if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
- if (bIsWEP) {
- FrameSize -= 8; //MIC
- }
- }
-
- //--------------------------------------------------------------------------------
- // Soft MIC
- if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
- if (bIsWEP) {
- unsigned long *pdwMIC_L;
- unsigned long *pdwMIC_R;
- unsigned long dwMIC_Priority;
- unsigned long dwMICKey0 = 0, dwMICKey1 = 0;
- unsigned long dwLocalMIC_L = 0;
- unsigned long dwLocalMIC_R = 0;
- viawget_wpa_header *wpahdr;
-
-
- if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
- dwMICKey0 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[24]));
- dwMICKey1 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[28]));
- }
- else {
- if (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) {
- dwMICKey0 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[16]));
- dwMICKey1 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[20]));
- } else if ((pKey->dwKeyIndex & BIT28) == 0) {
- dwMICKey0 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[16]));
- dwMICKey1 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[20]));
- } else {
- dwMICKey0 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[24]));
- dwMICKey1 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[28]));
- }
- }
-
- MIC_vInit(dwMICKey0, dwMICKey1);
- MIC_vAppend((unsigned char *)&(pDevice->sRxEthHeader.abyDstAddr[0]), 12);
- dwMIC_Priority = 0;
- MIC_vAppend((unsigned char *)&dwMIC_Priority, 4);
- // 4 is Rcv buffer header, 24 is MAC Header, and 8 is IV and Ext IV.
- MIC_vAppend((unsigned char *)(skb->data + 4 + WLAN_HDR_ADDR3_LEN + 8),
- FrameSize - WLAN_HDR_ADDR3_LEN - 8);
- MIC_vGetMIC(&dwLocalMIC_L, &dwLocalMIC_R);
- MIC_vUnInit();
-
- pdwMIC_L = (unsigned long *)(skb->data + 4 + FrameSize);
- pdwMIC_R = (unsigned long *)(skb->data + 4 + FrameSize + 4);
- //DBG_PRN_GRP12(("RxL: %lx, RxR: %lx\n", *pdwMIC_L, *pdwMIC_R));
- //DBG_PRN_GRP12(("LocalL: %lx, LocalR: %lx\n", dwLocalMIC_L, dwLocalMIC_R));
- //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"dwMICKey0= %lx,dwMICKey1= %lx \n", dwMICKey0, dwMICKey1);
-
-
- if ((cpu_to_le32(*pdwMIC_L) != dwLocalMIC_L) || (cpu_to_le32(*pdwMIC_R) != dwLocalMIC_R) ||
- (pDevice->bRxMICFail == true)) {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC comparison is fail!\n");
- pDevice->bRxMICFail = false;
- //pDevice->s802_11Counter.TKIPLocalMICFailures.QuadPart++;
- pDevice->s802_11Counter.TKIPLocalMICFailures++;
- if (bDeFragRx) {
- if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
- DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
- pDevice->dev->name);
- }
- }
- //2008-0409-07, <Add> by Einsn Liu
- #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
- //send event to wpa_supplicant
- //if(pDevice->bWPADevEnable == true)
- {
- union iwreq_data wrqu;
- struct iw_michaelmicfailure ev;
- int keyidx = pbyFrame[cbHeaderSize+3] >> 6; //top two-bits
- memset(&ev, 0, sizeof(ev));
- ev.flags = keyidx & IW_MICFAILURE_KEY_ID;
- if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
- (pMgmt->eCurrState == WMAC_STATE_ASSOC) &&
- (*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) {
- ev.flags |= IW_MICFAILURE_PAIRWISE;
- } else {
- ev.flags |= IW_MICFAILURE_GROUP;
- }
-
- ev.src_addr.sa_family = ARPHRD_ETHER;
- memcpy(ev.src_addr.sa_data, pMACHeader->abyAddr2, ETH_ALEN);
- memset(&wrqu, 0, sizeof(wrqu));
- wrqu.data.length = sizeof(ev);
- wireless_send_event(pDevice->dev, IWEVMICHAELMICFAILURE, &wrqu, (char *)&ev);
-
- }
- #endif
-
-
- if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) {
- wpahdr = (viawget_wpa_header *)pDevice->skb->data;
- if ((pDevice->pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
- (pDevice->pMgmt->eCurrState == WMAC_STATE_ASSOC) &&
- (*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) {
- //s802_11_Status.Flags = NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR;
- wpahdr->type = VIAWGET_PTK_MIC_MSG;
- } else {
- //s802_11_Status.Flags = NDIS_802_11_AUTH_REQUEST_GROUP_ERROR;
- wpahdr->type = VIAWGET_GTK_MIC_MSG;
- }
- wpahdr->resp_ie_len = 0;
- wpahdr->req_ie_len = 0;
- skb_put(pDevice->skb, sizeof(viawget_wpa_header));
- pDevice->skb->dev = pDevice->wpadev;
- skb_reset_mac_header(pDevice->skb);
- pDevice->skb->pkt_type = PACKET_HOST;
- pDevice->skb->protocol = htons(ETH_P_802_2);
- memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb));
- netif_rx(pDevice->skb);
- pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
- }
-
- return false;
-
- }
- }
- } //---end of SOFT MIC-----------------------------------------------------------------------
-
- // ++++++++++ Reply Counter Check +++++++++++++
-
- if ((pKey != NULL) && ((pKey->byCipherSuite == KEY_CTL_TKIP) ||
- (pKey->byCipherSuite == KEY_CTL_CCMP))) {
- if (bIsWEP) {
- unsigned short wLocalTSC15_0 = 0;
- unsigned long dwLocalTSC47_16 = 0;
- unsigned long long RSC = 0;
- // endian issues
- RSC = *((unsigned long long *) &(pKey->KeyRSC));
- wLocalTSC15_0 = (unsigned short) RSC;
- dwLocalTSC47_16 = (unsigned long) (RSC>>16);
-
- RSC = dwRxTSC47_16;
- RSC <<= 16;
- RSC += wRxTSC15_0;
- memcpy(&(pKey->KeyRSC), &RSC, sizeof(QWORD));
-
- if ( (pDevice->sMgmtObj.eCurrMode == WMAC_MODE_ESS_STA) &&
- (pDevice->sMgmtObj.eCurrState == WMAC_STATE_ASSOC)) {
- // check RSC
- if ( (wRxTSC15_0 < wLocalTSC15_0) &&
- (dwRxTSC47_16 <= dwLocalTSC47_16) &&
- !((dwRxTSC47_16 == 0) && (dwLocalTSC47_16 == 0xFFFFFFFF))) {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC is illegal~~!\n ");
- if (pKey->byCipherSuite == KEY_CTL_TKIP)
- //pDevice->s802_11Counter.TKIPReplays.QuadPart++;
- pDevice->s802_11Counter.TKIPReplays++;
- else
- //pDevice->s802_11Counter.CCMPReplays.QuadPart++;
- pDevice->s802_11Counter.CCMPReplays++;
-
- if (bDeFragRx) {
- if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
- DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
- pDevice->dev->name);
- }
- }
- return false;
- }
- }
- }
- } // ----- End of Reply Counter Check --------------------------
-
-
-
- if ((pKey != NULL) && (bIsWEP)) {
-// pDevice->s802_11Counter.DecryptSuccessCount.QuadPart++;
- }
-
-
- s_vProcessRxMACHeader(pDevice, (unsigned char *)(skb->data+4), FrameSize, bIsWEP, bExtIV, &cbHeaderOffset);
- FrameSize -= cbHeaderOffset;
- cbHeaderOffset += 4; // 4 is Rcv buffer header
-
- // Null data, framesize = 14
- if (FrameSize < 15)
- return false;
-
- if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
- if (s_bAPModeRxData(pDevice,
- skb,
- FrameSize,
- cbHeaderOffset,
- iSANodeIndex,
- iDANodeIndex
- ) == false) {
-
- if (bDeFragRx) {
- if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
- DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
- pDevice->dev->name);
- }
- }
- return false;
- }
-
-// if(pDevice->bRxMICFail == false) {
-// for (ii =0; ii < 100; ii++)
-// printk(" %02x", *(skb->data + ii));
-// printk("\n");
-// }
-
- }
-
- skb->data += cbHeaderOffset;
- skb->tail += cbHeaderOffset;
- skb_put(skb, FrameSize);
- skb->protocol=eth_type_trans(skb, skb->dev);
-
-
- //drop frame not met IEEE 802.3
-/*
- if (pDevice->flags & DEVICE_FLAGS_VAL_PKT_LEN) {
- if ((skb->protocol==htons(ETH_P_802_3)) &&
- (skb->len!=htons(skb->mac.ethernet->h_proto))) {
- pStats->rx_length_errors++;
- pStats->rx_dropped++;
- if (bDeFragRx) {
- if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
- DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
- pDevice->dev->name);
- }
- }
- return false;
- }
- }
-*/
-
- skb->ip_summed=CHECKSUM_NONE;
- pStats->rx_bytes +=skb->len;
- pStats->rx_packets++;
- netif_rx(skb);
-
- if (bDeFragRx) {
- if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
- DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
- pDevice->dev->name);
- }
- return false;
- }
-
- return true;
-}
-
-
-static bool s_bAPModeRxCtl (
- PSDevice pDevice,
- unsigned char *pbyFrame,
- int iSANodeIndex
- )
-{
- PS802_11Header p802_11Header;
- CMD_STATUS Status;
- PSMgmtObject pMgmt = pDevice->pMgmt;
-
-
- if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) {
-
- p802_11Header = (PS802_11Header) (pbyFrame);
- if (!IS_TYPE_MGMT(pbyFrame)) {
-
- // Data & PS-Poll packet
- // check frame class
- if (iSANodeIndex > 0) {
- // frame class 3 fliter & checking
- if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_AUTH) {
- // send deauth notification
- // reason = (6) class 2 received from nonauth sta
- vMgrDeAuthenBeginSta(pDevice,
- pMgmt,
- (unsigned char *)(p802_11Header->abyAddr2),
- (WLAN_MGMT_REASON_CLASS2_NONAUTH),
- &Status
- );
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 1\n");
- return true;
- }
- if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_ASSOC) {
- // send deassoc notification
- // reason = (7) class 3 received from nonassoc sta
- vMgrDisassocBeginSta(pDevice,
- pMgmt,
- (unsigned char *)(p802_11Header->abyAddr2),
- (WLAN_MGMT_REASON_CLASS3_NONASSOC),
- &Status
- );
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDisassocBeginSta 2\n");
- return true;
- }
-
- if (pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable) {
- // delcare received ps-poll event
- if (IS_CTL_PSPOLL(pbyFrame)) {
- pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = true;
- bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 1\n");
- }
- else {
- // check Data PS state
- // if PW bit off, send out all PS bufferring packets.
- if (!IS_FC_POWERMGT(pbyFrame)) {
- pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = false;
- pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = true;
- bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 2\n");
- }
- }
- }
- else {
- if (IS_FC_POWERMGT(pbyFrame)) {
- pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = true;
- // Once if STA in PS state, enable multicast bufferring
- pMgmt->sNodeDBTable[0].bPSEnable = true;
- }
- else {
- // clear all pending PS frame.
- if (pMgmt->sNodeDBTable[iSANodeIndex].wEnQueueCnt > 0) {
- pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = false;
- pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = true;
- bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 3\n");
-
- }
- }
- }
- }
- else {
- vMgrDeAuthenBeginSta(pDevice,
- pMgmt,
- (unsigned char *)(p802_11Header->abyAddr2),
- (WLAN_MGMT_REASON_CLASS2_NONAUTH),
- &Status
- );
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 3\n");
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSSID:%pM\n",
- p802_11Header->abyAddr3);
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR2:%pM\n",
- p802_11Header->abyAddr2);
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR1:%pM\n",
- p802_11Header->abyAddr1);
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: wFrameCtl= %x\n", p802_11Header->wFrameCtl );
- VNSvInPortB(pDevice->PortOffset + MAC_REG_RCR, &(pDevice->byRxMode));
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc:pDevice->byRxMode = %x\n", pDevice->byRxMode );
- return true;
- }
- }
- }
- return false;
-
-}
-
-static bool s_bHandleRxEncryption (
- PSDevice pDevice,
- unsigned char *pbyFrame,
- unsigned int FrameSize,
- unsigned char *pbyRsr,
- unsigned char *pbyNewRsr,
- PSKeyItem *pKeyOut,
- bool *pbExtIV,
- unsigned short *pwRxTSC15_0,
- unsigned long *pdwRxTSC47_16
- )
-{
- unsigned int PayloadLen = FrameSize;
- unsigned char *pbyIV;
- unsigned char byKeyIdx;
- PSKeyItem pKey = NULL;
- unsigned char byDecMode = KEY_CTL_WEP;
- PSMgmtObject pMgmt = pDevice->pMgmt;
-
-
- *pwRxTSC15_0 = 0;
- *pdwRxTSC47_16 = 0;
-
- pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
- if ( WLAN_GET_FC_TODS(*(unsigned short *)pbyFrame) &&
- WLAN_GET_FC_FROMDS(*(unsigned short *)pbyFrame) ) {
- pbyIV += 6; // 6 is 802.11 address4
- PayloadLen -= 6;
- }
- byKeyIdx = (*(pbyIV+3) & 0xc0);
- byKeyIdx >>= 6;
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\nKeyIdx: %d\n", byKeyIdx);
-
- if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
- (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) ||
- (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) ||
- (pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
- (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
- if (((*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) &&
- (pDevice->pMgmt->byCSSPK != KEY_CTL_NONE)) {
- // unicast pkt use pairwise key
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"unicast pkt\n");
- if (KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, 0xFFFFFFFF, &pKey) == true) {
- if (pDevice->pMgmt->byCSSPK == KEY_CTL_TKIP)
- byDecMode = KEY_CTL_TKIP;
- else if (pDevice->pMgmt->byCSSPK == KEY_CTL_CCMP)
- byDecMode = KEY_CTL_CCMP;
- }
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"unicast pkt: %d, %p\n", byDecMode, pKey);
- } else {
- // use group key
- KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, byKeyIdx, &pKey);
- if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
- byDecMode = KEY_CTL_TKIP;
- else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP)
- byDecMode = KEY_CTL_CCMP;
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"group pkt: %d, %d, %p\n", byKeyIdx, byDecMode, pKey);
- }
- }
- // our WEP only support Default Key
- if (pKey == NULL) {
- // use default group key
- KeybGetKey(&(pDevice->sKey), pDevice->abyBroadcastAddr, byKeyIdx, &pKey);
- if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
- byDecMode = KEY_CTL_TKIP;
- else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP)
- byDecMode = KEY_CTL_CCMP;
- }
- *pKeyOut = pKey;
-
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"AES:%d %d %d\n", pDevice->pMgmt->byCSSPK, pDevice->pMgmt->byCSSGK, byDecMode);
-
- if (pKey == NULL) {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey == NULL\n");
- if (byDecMode == KEY_CTL_WEP) {
-// pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++;
- } else if (pDevice->bLinkPass == true) {
-// pDevice->s802_11Counter.DecryptFailureCount.QuadPart++;
- }
- return false;
- }
- if (byDecMode != pKey->byCipherSuite) {
- if (byDecMode == KEY_CTL_WEP) {
-// pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++;
- } else if (pDevice->bLinkPass == true) {
-// pDevice->s802_11Counter.DecryptFailureCount.QuadPart++;
- }
- *pKeyOut = NULL;
- return false;
- }
- if (byDecMode == KEY_CTL_WEP) {
- // handle WEP
- if ((pDevice->byLocalID <= REV_ID_VT3253_A1) ||
- (((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == true)) {
- // Software WEP
- // 1. 3253A
- // 2. WEP 256
-
- PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc
- memcpy(pDevice->abyPRNG, pbyIV, 3);
- memcpy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength);
- rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3);
- rc4_encrypt(&pDevice->SBox, pbyIV+4, pbyIV+4, PayloadLen);
-
- if (ETHbIsBufferCrc32Ok(pbyIV+4, PayloadLen)) {
- *pbyNewRsr |= NEWRSR_DECRYPTOK;
- }
- }
- } else if ((byDecMode == KEY_CTL_TKIP) ||
- (byDecMode == KEY_CTL_CCMP)) {
- // TKIP/AES
-
- PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc
- *pdwRxTSC47_16 = cpu_to_le32(*(unsigned long *)(pbyIV + 4));
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %lx\n",*pdwRxTSC47_16);
- if (byDecMode == KEY_CTL_TKIP) {
- *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV));
- } else {
- *pwRxTSC15_0 = cpu_to_le16(*(unsigned short *)pbyIV);
- }
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC0_15: %x\n", *pwRxTSC15_0);
-
- if ((byDecMode == KEY_CTL_TKIP) &&
- (pDevice->byLocalID <= REV_ID_VT3253_A1)) {
- // Software TKIP
- // 1. 3253 A
- PS802_11Header pMACHeader = (PS802_11Header) (pbyFrame);
- TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG);
- rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN);
- rc4_encrypt(&pDevice->SBox, pbyIV+8, pbyIV+8, PayloadLen);
- if (ETHbIsBufferCrc32Ok(pbyIV+8, PayloadLen)) {
- *pbyNewRsr |= NEWRSR_DECRYPTOK;
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV OK!\n");
- } else {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV FAIL!!!\n");
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PayloadLen = %d\n", PayloadLen);
- }
- }
- }// end of TKIP/AES
-
- if ((*(pbyIV+3) & 0x20) != 0)
- *pbExtIV = true;
- return true;
-}
-
-
-static bool s_bHostWepRxEncryption (
- PSDevice pDevice,
- unsigned char *pbyFrame,
- unsigned int FrameSize,
- unsigned char *pbyRsr,
- bool bOnFly,
- PSKeyItem pKey,
- unsigned char *pbyNewRsr,
- bool *pbExtIV,
- unsigned short *pwRxTSC15_0,
- unsigned long *pdwRxTSC47_16
- )
-{
- unsigned int PayloadLen = FrameSize;
- unsigned char *pbyIV;
- unsigned char byKeyIdx;
- unsigned char byDecMode = KEY_CTL_WEP;
- PS802_11Header pMACHeader;
-
-
-
- *pwRxTSC15_0 = 0;
- *pdwRxTSC47_16 = 0;
-
- pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
- if ( WLAN_GET_FC_TODS(*(unsigned short *)pbyFrame) &&
- WLAN_GET_FC_FROMDS(*(unsigned short *)pbyFrame) ) {
- pbyIV += 6; // 6 is 802.11 address4
- PayloadLen -= 6;
- }
- byKeyIdx = (*(pbyIV+3) & 0xc0);
- byKeyIdx >>= 6;
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\nKeyIdx: %d\n", byKeyIdx);
-
-
- if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
- byDecMode = KEY_CTL_TKIP;
- else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP)
- byDecMode = KEY_CTL_CCMP;
-
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"AES:%d %d %d\n", pDevice->pMgmt->byCSSPK, pDevice->pMgmt->byCSSGK, byDecMode);
-
- if (byDecMode != pKey->byCipherSuite) {
- if (byDecMode == KEY_CTL_WEP) {
-// pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++;
- } else if (pDevice->bLinkPass == true) {
-// pDevice->s802_11Counter.DecryptFailureCount.QuadPart++;
- }
- return false;
- }
-
- if (byDecMode == KEY_CTL_WEP) {
- // handle WEP
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"byDecMode == KEY_CTL_WEP \n");
- if ((pDevice->byLocalID <= REV_ID_VT3253_A1) ||
- (((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == true) ||
- (bOnFly == false)) {
- // Software WEP
- // 1. 3253A
- // 2. WEP 256
- // 3. NotOnFly
-
- PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc
- memcpy(pDevice->abyPRNG, pbyIV, 3);
- memcpy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength);
- rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3);
- rc4_encrypt(&pDevice->SBox, pbyIV+4, pbyIV+4, PayloadLen);
-
- if (ETHbIsBufferCrc32Ok(pbyIV+4, PayloadLen)) {
- *pbyNewRsr |= NEWRSR_DECRYPTOK;
- }
- }
- } else if ((byDecMode == KEY_CTL_TKIP) ||
- (byDecMode == KEY_CTL_CCMP)) {
- // TKIP/AES
-
- PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc
- *pdwRxTSC47_16 = cpu_to_le32(*(unsigned long *)(pbyIV + 4));
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %lx\n",*pdwRxTSC47_16);
-
- if (byDecMode == KEY_CTL_TKIP) {
- *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV));
- } else {
- *pwRxTSC15_0 = cpu_to_le16(*(unsigned short *)pbyIV);
- }
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC0_15: %x\n", *pwRxTSC15_0);
-
- if (byDecMode == KEY_CTL_TKIP) {
-
- if ((pDevice->byLocalID <= REV_ID_VT3253_A1) || (bOnFly == false)) {
- // Software TKIP
- // 1. 3253 A
- // 2. NotOnFly
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"soft KEY_CTL_TKIP \n");
- pMACHeader = (PS802_11Header) (pbyFrame);
- TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG);
- rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN);
- rc4_encrypt(&pDevice->SBox, pbyIV+8, pbyIV+8, PayloadLen);
- if (ETHbIsBufferCrc32Ok(pbyIV+8, PayloadLen)) {
- *pbyNewRsr |= NEWRSR_DECRYPTOK;
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV OK!\n");
- } else {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV FAIL!!!\n");
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PayloadLen = %d\n", PayloadLen);
- }
- }
- }
-
- if (byDecMode == KEY_CTL_CCMP) {
- if (bOnFly == false) {
- // Software CCMP
- // NotOnFly
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"soft KEY_CTL_CCMP\n");
- if (AESbGenCCMP(pKey->abyKey, pbyFrame, FrameSize)) {
- *pbyNewRsr |= NEWRSR_DECRYPTOK;
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"CCMP MIC compare OK!\n");
- } else {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"CCMP MIC fail!\n");
- }
- }
- }
-
- }// end of TKIP/AES
-
- if ((*(pbyIV+3) & 0x20) != 0)
- *pbExtIV = true;
- return true;
-}
-
-
-
-static bool s_bAPModeRxData (
- PSDevice pDevice,
- struct sk_buff* skb,
- unsigned int FrameSize,
- unsigned int cbHeaderOffset,
- int iSANodeIndex,
- int iDANodeIndex
- )
-{
- PSMgmtObject pMgmt = pDevice->pMgmt;
- bool bRelayAndForward = false;
- bool bRelayOnly = false;
- unsigned char byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
- unsigned short wAID;
-
-
- struct sk_buff* skbcpy = NULL;
-
- if (FrameSize > CB_MAX_BUF_SIZE)
- return false;
- // check DA
- if(is_multicast_ether_addr((unsigned char *)(skb->data+cbHeaderOffset))) {
- if (pMgmt->sNodeDBTable[0].bPSEnable) {
-
- skbcpy = dev_alloc_skb((int)pDevice->rx_buf_sz);
-
- // if any node in PS mode, buffer packet until DTIM.
- if (skbcpy == NULL) {
- DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "relay multicast no skb available \n");
- }
- else {
- skbcpy->dev = pDevice->dev;
- skbcpy->len = FrameSize;
- memcpy(skbcpy->data, skb->data+cbHeaderOffset, FrameSize);
- skb_queue_tail(&(pMgmt->sNodeDBTable[0].sTxPSQueue), skbcpy);
-
- pMgmt->sNodeDBTable[0].wEnQueueCnt++;
- // set tx map
- pMgmt->abyPSTxMap[0] |= byMask[0];
- }
- }
- else {
- bRelayAndForward = true;
- }
- }
- else {
- // check if relay
- if (BSSDBbIsSTAInNodeDB(pMgmt, (unsigned char *)(skb->data+cbHeaderOffset), &iDANodeIndex)) {
- if (pMgmt->sNodeDBTable[iDANodeIndex].eNodeState >= NODE_ASSOC) {
- if (pMgmt->sNodeDBTable[iDANodeIndex].bPSEnable) {
- // queue this skb until next PS tx, and then release.
-
- skb->data += cbHeaderOffset;
- skb->tail += cbHeaderOffset;
- skb_put(skb, FrameSize);
- skb_queue_tail(&pMgmt->sNodeDBTable[iDANodeIndex].sTxPSQueue, skb);
- pMgmt->sNodeDBTable[iDANodeIndex].wEnQueueCnt++;
- wAID = pMgmt->sNodeDBTable[iDANodeIndex].wAID;
- pMgmt->abyPSTxMap[wAID >> 3] |= byMask[wAID & 7];
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "relay: index= %d, pMgmt->abyPSTxMap[%d]= %d\n",
- iDANodeIndex, (wAID >> 3), pMgmt->abyPSTxMap[wAID >> 3]);
- return true;
- }
- else {
- bRelayOnly = true;
- }
- }
- }
- }
-
- if (bRelayOnly || bRelayAndForward) {
- // relay this packet right now
- if (bRelayAndForward)
- iDANodeIndex = 0;
-
- if ((pDevice->uAssocCount > 1) && (iDANodeIndex >= 0)) {
- ROUTEbRelay(pDevice, (unsigned char *)(skb->data + cbHeaderOffset), FrameSize, (unsigned int)iDANodeIndex);
- }
-
- if (bRelayOnly)
- return false;
- }
- // none associate, don't forward
- if (pDevice->uAssocCount == 0)
- return false;
-
- return true;
-}
-
+/*
+ * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * File: dpc.c
+ *
+ * Purpose: handle dpc rx functions
+ *
+ * Author: Lyndon Chen
+ *
+ * Date: May 20, 2003
+ *
+ * Functions:
+ * device_receive_frame - Rcv 802.11 frame function
+ * s_bAPModeRxCtl- AP Rcv frame filer Ctl.
+ * s_bAPModeRxData- AP Rcv data frame handle
+ * s_bHandleRxEncryption- Rcv decrypted data via on-fly
+ * s_bHostWepRxEncryption- Rcv encrypted data via host
+ * s_byGetRateIdx- get rate index
+ * s_vGetDASA- get data offset
+ * s_vProcessRxMACHeader- Rcv 802.11 and translate to 802.3
+ *
+ * Revision History:
+ *
+ */
+
+#include "device.h"
+#include "rxtx.h"
+#include "tether.h"
+#include "card.h"
+#include "bssdb.h"
+#include "mac.h"
+#include "baseband.h"
+#include "michael.h"
+#include "tkip.h"
+#include "tcrc.h"
+#include "wctl.h"
+#include "wroute.h"
+#include "hostap.h"
+#include "rf.h"
+#include "iowpa.h"
+#include "aes_ccmp.h"
+
+
+
+/*--------------------- Static Definitions -------------------------*/
+
+/*--------------------- Static Classes ----------------------------*/
+
+/*--------------------- Static Variables --------------------------*/
+//static int msglevel =MSG_LEVEL_DEBUG;
+static int msglevel = MSG_LEVEL_INFO;
+
+const unsigned char acbyRxRate[MAX_RATE] =
+{2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108};
+
+
+/*--------------------- Static Functions --------------------------*/
+
+/*--------------------- Static Definitions -------------------------*/
+
+/*--------------------- Static Functions --------------------------*/
+
+static unsigned char s_byGetRateIdx(unsigned char byRate);
+
+
+static void
+s_vGetDASA(unsigned char *pbyRxBufferAddr, unsigned int *pcbHeaderSize,
+ PSEthernetHeader psEthHeader);
+
+static void
+s_vProcessRxMACHeader(PSDevice pDevice, unsigned char *pbyRxBufferAddr,
+ unsigned int cbPacketSize, bool bIsWEP, bool bExtIV,
+ unsigned int *pcbHeadSize);
+
+static bool s_bAPModeRxCtl(
+ PSDevice pDevice,
+ unsigned char *pbyFrame,
+ int iSANodeIndex
+);
+
+
+
+static bool s_bAPModeRxData(
+ PSDevice pDevice,
+ struct sk_buff *skb,
+ unsigned int FrameSize,
+ unsigned int cbHeaderOffset,
+ int iSANodeIndex,
+ int iDANodeIndex
+);
+
+
+static bool s_bHandleRxEncryption(
+ PSDevice pDevice,
+ unsigned char *pbyFrame,
+ unsigned int FrameSize,
+ unsigned char *pbyRsr,
+ unsigned char *pbyNewRsr,
+ PSKeyItem *pKeyOut,
+ bool *pbExtIV,
+ unsigned short *pwRxTSC15_0,
+ unsigned long *pdwRxTSC47_16
+);
+
+static bool s_bHostWepRxEncryption(
+
+ PSDevice pDevice,
+ unsigned char *pbyFrame,
+ unsigned int FrameSize,
+ unsigned char *pbyRsr,
+ bool bOnFly,
+ PSKeyItem pKey,
+ unsigned char *pbyNewRsr,
+ bool *pbExtIV,
+ unsigned short *pwRxTSC15_0,
+ unsigned long *pdwRxTSC47_16
+
+);
+
+/*--------------------- Export Variables --------------------------*/
+
+/*+
+ *
+ * Description:
+ * Translate Rcv 802.11 header to 802.3 header with Rx buffer
+ *
+ * Parameters:
+ * In:
+ * pDevice
+ * dwRxBufferAddr - Address of Rcv Buffer
+ * cbPacketSize - Rcv Packet size
+ * bIsWEP - If Rcv with WEP
+ * Out:
+ * pcbHeaderSize - 802.11 header size
+ *
+ * Return Value: None
+ *
+ -*/
+static void
+s_vProcessRxMACHeader(PSDevice pDevice, unsigned char *pbyRxBufferAddr,
+ unsigned int cbPacketSize, bool bIsWEP, bool bExtIV,
+ unsigned int *pcbHeadSize)
+{
+ unsigned char *pbyRxBuffer;
+ unsigned int cbHeaderSize = 0;
+ unsigned short *pwType;
+ PS802_11Header pMACHeader;
+ int ii;
+
+
+ pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize);
+
+ s_vGetDASA((unsigned char *)pMACHeader, &cbHeaderSize, &pDevice->sRxEthHeader);
+
+ if (bIsWEP) {
+ if (bExtIV) {
+ // strip IV&ExtIV , add 8 byte
+ cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 8);
+ } else {
+ // strip IV , add 4 byte
+ cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 4);
+ }
+ }
+ else {
+ cbHeaderSize += WLAN_HDR_ADDR3_LEN;
+ };
+
+ pbyRxBuffer = (unsigned char *)(pbyRxBufferAddr + cbHeaderSize);
+ if (!compare_ether_addr(pbyRxBuffer, &pDevice->abySNAP_Bridgetunnel[0])) {
+ cbHeaderSize += 6;
+ }
+ else if (!compare_ether_addr(pbyRxBuffer, &pDevice->abySNAP_RFC1042[0])) {
+ cbHeaderSize += 6;
+ pwType = (unsigned short *)(pbyRxBufferAddr + cbHeaderSize);
+ if ((*pwType != TYPE_PKT_IPX) && (*pwType != cpu_to_le16(0xF380))) {
+ }
+ else {
+ cbHeaderSize -= 8;
+ pwType = (unsigned short *)(pbyRxBufferAddr + cbHeaderSize);
+ if (bIsWEP) {
+ if (bExtIV) {
+ *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); // 8 is IV&ExtIV
+ } else {
+ *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); // 4 is IV
+ }
+ }
+ else {
+ *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN);
+ }
+ }
+ }
+ else {
+ cbHeaderSize -= 2;
+ pwType = (unsigned short *)(pbyRxBufferAddr + cbHeaderSize);
+ if (bIsWEP) {
+ if (bExtIV) {
+ *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); // 8 is IV&ExtIV
+ } else {
+ *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); // 4 is IV
+ }
+ }
+ else {
+ *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN);
+ }
+ }
+
+ cbHeaderSize -= (ETH_ALEN * 2);
+ pbyRxBuffer = (unsigned char *)(pbyRxBufferAddr + cbHeaderSize);
+ for (ii = 0; ii < ETH_ALEN; ii++)
+ *pbyRxBuffer++ = pDevice->sRxEthHeader.abyDstAddr[ii];
+ for (ii = 0; ii < ETH_ALEN; ii++)
+ *pbyRxBuffer++ = pDevice->sRxEthHeader.abySrcAddr[ii];
+
+ *pcbHeadSize = cbHeaderSize;
+}
+
+
+
+
+static unsigned char s_byGetRateIdx(unsigned char byRate)
+{
+ unsigned char byRateIdx;
+
+ for (byRateIdx = 0; byRateIdx < MAX_RATE; byRateIdx++) {
+ if (acbyRxRate[byRateIdx % MAX_RATE] == byRate)
+ return byRateIdx;
+ }
+ return 0;
+}
+
+
+static void
+s_vGetDASA(unsigned char *pbyRxBufferAddr, unsigned int *pcbHeaderSize,
+ PSEthernetHeader psEthHeader)
+{
+ unsigned int cbHeaderSize = 0;
+ PS802_11Header pMACHeader;
+ int ii;
+
+ pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize);
+
+ if ((pMACHeader->wFrameCtl & FC_TODS) == 0) {
+ if (pMACHeader->wFrameCtl & FC_FROMDS) {
+ for (ii = 0; ii < ETH_ALEN; ii++) {
+ psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii];
+ psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr3[ii];
+ }
+ }
+ else {
+ // IBSS mode
+ for (ii = 0; ii < ETH_ALEN; ii++) {
+ psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii];
+ psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii];
+ }
+ }
+ }
+ else {
+ // Is AP mode..
+ if (pMACHeader->wFrameCtl & FC_FROMDS) {
+ for (ii = 0; ii < ETH_ALEN; ii++) {
+ psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii];
+ psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr4[ii];
+ cbHeaderSize += 6;
+ }
+ }
+ else {
+ for (ii = 0; ii < ETH_ALEN; ii++) {
+ psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii];
+ psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii];
+ }
+ }
+ };
+ *pcbHeaderSize = cbHeaderSize;
+}
+
+
+
+
+//PLICE_DEBUG ->
+
+void MngWorkItem(void *Context)
+{
+ PSRxMgmtPacket pRxMgmtPacket;
+ PSDevice pDevice = (PSDevice) Context;
+ //printk("Enter MngWorkItem,Queue packet num is %d\n",pDevice->rxManeQueue.packet_num);
+ spin_lock_irq(&pDevice->lock);
+ while (pDevice->rxManeQueue.packet_num != 0)
+ {
+ pRxMgmtPacket = DeQueue(pDevice);
+ vMgrRxManagePacket(pDevice, pDevice->pMgmt, pRxMgmtPacket);
+ }
+ spin_unlock_irq(&pDevice->lock);
+}
+
+
+//PLICE_DEBUG<-
+
+
+
+bool
+device_receive_frame(
+ PSDevice pDevice,
+ PSRxDesc pCurrRD
+)
+{
+
+ PDEVICE_RD_INFO pRDInfo = pCurrRD->pRDInfo;
+#ifdef PLICE_DEBUG
+ //printk("device_receive_frame:pCurrRD is %x,pRDInfo is %x\n",pCurrRD,pCurrRD->pRDInfo);
+#endif
+ struct net_device_stats *pStats = &pDevice->stats;
+ struct sk_buff *skb;
+ PSMgmtObject pMgmt = pDevice->pMgmt;
+ PSRxMgmtPacket pRxPacket = &(pDevice->pMgmt->sRxPacket);
+ PS802_11Header p802_11Header;
+ unsigned char *pbyRsr;
+ unsigned char *pbyNewRsr;
+ unsigned char *pbyRSSI;
+ PQWORD pqwTSFTime;
+ unsigned short *pwFrameSize;
+ unsigned char *pbyFrame;
+ bool bDeFragRx = false;
+ bool bIsWEP = false;
+ unsigned int cbHeaderOffset;
+ unsigned int FrameSize;
+ unsigned short wEtherType = 0;
+ int iSANodeIndex = -1;
+ int iDANodeIndex = -1;
+ unsigned int ii;
+ unsigned int cbIVOffset;
+ bool bExtIV = false;
+ unsigned char *pbyRxSts;
+ unsigned char *pbyRxRate;
+ unsigned char *pbySQ;
+ unsigned int cbHeaderSize;
+ PSKeyItem pKey = NULL;
+ unsigned short wRxTSC15_0 = 0;
+ unsigned long dwRxTSC47_16 = 0;
+ SKeyItem STempKey;
+ // 802.11h RPI
+ unsigned long dwDuration = 0;
+ long ldBm = 0;
+ long ldBmThreshold = 0;
+ PS802_11Header pMACHeader;
+ bool bRxeapol_key = false;
+
+// DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "---------- device_receive_frame---\n");
+
+ skb = pRDInfo->skb;
+
+
+//PLICE_DEBUG->
+#if 1
+ pci_unmap_single(pDevice->pcid, pRDInfo->skb_dma,
+ pDevice->rx_buf_sz, PCI_DMA_FROMDEVICE);
+#endif
+//PLICE_DEBUG<-
+ pwFrameSize = (unsigned short *)(skb->data + 2);
+ FrameSize = cpu_to_le16(pCurrRD->m_rd1RD1.wReqCount) - cpu_to_le16(pCurrRD->m_rd0RD0.wResCount);
+
+ // Max: 2312Payload + 30HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR
+ // Min (ACK): 10HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR
+ if ((FrameSize > 2364) || (FrameSize <= 32)) {
+ // Frame Size error drop this packet.
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "---------- WRONG Length 1 \n");
+ return false;
+ }
+
+ pbyRxSts = (unsigned char *)(skb->data);
+ pbyRxRate = (unsigned char *)(skb->data + 1);
+ pbyRsr = (unsigned char *)(skb->data + FrameSize - 1);
+ pbyRSSI = (unsigned char *)(skb->data + FrameSize - 2);
+ pbyNewRsr = (unsigned char *)(skb->data + FrameSize - 3);
+ pbySQ = (unsigned char *)(skb->data + FrameSize - 4);
+ pqwTSFTime = (PQWORD)(skb->data + FrameSize - 12);
+ pbyFrame = (unsigned char *)(skb->data + 4);
+
+ // get packet size
+ FrameSize = cpu_to_le16(*pwFrameSize);
+
+ if ((FrameSize > 2346)|(FrameSize < 14)) { // Max: 2312Payload + 30HD +4CRC
+ // Min: 14 bytes ACK
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "---------- WRONG Length 2 \n");
+ return false;
+ }
+//PLICE_DEBUG->
+#if 1
+ // update receive statistic counter
+ STAvUpdateRDStatCounter(&pDevice->scStatistic,
+ *pbyRsr,
+ *pbyNewRsr,
+ *pbyRxRate,
+ pbyFrame,
+ FrameSize);
+
+#endif
+
+ pMACHeader = (PS802_11Header)((unsigned char *)(skb->data) + 8);
+//PLICE_DEBUG<-
+ if (pDevice->bMeasureInProgress == true) {
+ if ((*pbyRsr & RSR_CRCOK) != 0) {
+ pDevice->byBasicMap |= 0x01;
+ }
+ dwDuration = (FrameSize << 4);
+ dwDuration /= acbyRxRate[*pbyRxRate%MAX_RATE];
+ if (*pbyRxRate <= RATE_11M) {
+ if (*pbyRxSts & 0x01) {
+ // long preamble
+ dwDuration += 192;
+ } else {
+ // short preamble
+ dwDuration += 96;
+ }
+ } else {
+ dwDuration += 16;
+ }
+ RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm);
+ ldBmThreshold = -57;
+ for (ii = 7; ii > 0;) {
+ if (ldBm > ldBmThreshold) {
+ break;
+ }
+ ldBmThreshold -= 5;
+ ii--;
+ }
+ pDevice->dwRPIs[ii] += dwDuration;
+ return false;
+ }
+
+ if (!is_multicast_ether_addr(pbyFrame)) {
+ if (WCTLbIsDuplicate(&(pDevice->sDupRxCache), (PS802_11Header)(skb->data + 4))) {
+ pDevice->s802_11Counter.FrameDuplicateCount++;
+ return false;
+ }
+ }
+
+
+ // Use for TKIP MIC
+ s_vGetDASA(skb->data+4, &cbHeaderSize, &pDevice->sRxEthHeader);
+
+ // filter packet send from myself
+ if (!compare_ether_addr((unsigned char *)&(pDevice->sRxEthHeader.abySrcAddr[0]), pDevice->abyCurrentNetAddr))
+ return false;
+
+ if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) || (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)) {
+ if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) {
+ p802_11Header = (PS802_11Header)(pbyFrame);
+ // get SA NodeIndex
+ if (BSSDBbIsSTAInNodeDB(pMgmt, (unsigned char *)(p802_11Header->abyAddr2), &iSANodeIndex)) {
+ pMgmt->sNodeDBTable[iSANodeIndex].ulLastRxJiffer = jiffies;
+ pMgmt->sNodeDBTable[iSANodeIndex].uInActiveCount = 0;
+ }
+ }
+ }
+
+ if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
+ if (s_bAPModeRxCtl(pDevice, pbyFrame, iSANodeIndex) == true) {
+ return false;
+ }
+ }
+
+
+ if (IS_FC_WEP(pbyFrame)) {
+ bool bRxDecryOK = false;
+
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "rx WEP pkt\n");
+ bIsWEP = true;
+ if ((pDevice->bEnableHostWEP) && (iSANodeIndex >= 0)) {
+ pKey = &STempKey;
+ pKey->byCipherSuite = pMgmt->sNodeDBTable[iSANodeIndex].byCipherSuite;
+ pKey->dwKeyIndex = pMgmt->sNodeDBTable[iSANodeIndex].dwKeyIndex;
+ pKey->uKeyLength = pMgmt->sNodeDBTable[iSANodeIndex].uWepKeyLength;
+ pKey->dwTSC47_16 = pMgmt->sNodeDBTable[iSANodeIndex].dwTSC47_16;
+ pKey->wTSC15_0 = pMgmt->sNodeDBTable[iSANodeIndex].wTSC15_0;
+ memcpy(pKey->abyKey,
+ &pMgmt->sNodeDBTable[iSANodeIndex].abyWepKey[0],
+ pKey->uKeyLength
+);
+
+ bRxDecryOK = s_bHostWepRxEncryption(pDevice,
+ pbyFrame,
+ FrameSize,
+ pbyRsr,
+ pMgmt->sNodeDBTable[iSANodeIndex].bOnFly,
+ pKey,
+ pbyNewRsr,
+ &bExtIV,
+ &wRxTSC15_0,
+ &dwRxTSC47_16);
+ } else {
+ bRxDecryOK = s_bHandleRxEncryption(pDevice,
+ pbyFrame,
+ FrameSize,
+ pbyRsr,
+ pbyNewRsr,
+ &pKey,
+ &bExtIV,
+ &wRxTSC15_0,
+ &dwRxTSC47_16);
+ }
+
+ if (bRxDecryOK) {
+ if ((*pbyNewRsr & NEWRSR_DECRYPTOK) == 0) {
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ICV Fail\n");
+ if ((pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
+ (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) ||
+ (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) ||
+ (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
+ (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
+
+ if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
+ pDevice->s802_11Counter.TKIPICVErrors++;
+ } else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP)) {
+ pDevice->s802_11Counter.CCMPDecryptErrors++;
+ } else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_WEP)) {
+// pDevice->s802_11Counter.WEPICVErrorCount.QuadPart++;
+ }
+ }
+ return false;
+ }
+ } else {
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "WEP Func Fail\n");
+ return false;
+ }
+ if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP))
+ FrameSize -= 8; // Message Integrity Code
+ else
+ FrameSize -= 4; // 4 is ICV
+ }
+
+
+ //
+ // RX OK
+ //
+ //remove the CRC length
+ FrameSize -= ETH_FCS_LEN;
+
+ if ((!(*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI))) && // unicast address
+ (IS_FRAGMENT_PKT((skb->data+4)))
+) {
+ // defragment
+ bDeFragRx = WCTLbHandleFragment(pDevice, (PS802_11Header)(skb->data+4), FrameSize, bIsWEP, bExtIV);
+ pDevice->s802_11Counter.ReceivedFragmentCount++;
+ if (bDeFragRx) {
+ // defrag complete
+ skb = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].skb;
+ FrameSize = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].cbFrameLength;
+
+ }
+ else {
+ return false;
+ }
+ }
+
+
+// Management & Control frame Handle
+ if ((IS_TYPE_DATA((skb->data+4))) == false) {
+ // Handle Control & Manage Frame
+
+ if (IS_TYPE_MGMT((skb->data+4))) {
+ unsigned char *pbyData1;
+ unsigned char *pbyData2;
+
+ pRxPacket->p80211Header = (PUWLAN_80211HDR)(skb->data+4);
+ pRxPacket->cbMPDULen = FrameSize;
+ pRxPacket->uRSSI = *pbyRSSI;
+ pRxPacket->bySQ = *pbySQ;
+ HIDWORD(pRxPacket->qwLocalTSF) = cpu_to_le32(HIDWORD(*pqwTSFTime));
+ LODWORD(pRxPacket->qwLocalTSF) = cpu_to_le32(LODWORD(*pqwTSFTime));
+ if (bIsWEP) {
+ // strip IV
+ pbyData1 = WLAN_HDR_A3_DATA_PTR(skb->data+4);
+ pbyData2 = WLAN_HDR_A3_DATA_PTR(skb->data+4) + 4;
+ for (ii = 0; ii < (FrameSize - 4); ii++) {
+ *pbyData1 = *pbyData2;
+ pbyData1++;
+ pbyData2++;
+ }
+ }
+ pRxPacket->byRxRate = s_byGetRateIdx(*pbyRxRate);
+ pRxPacket->byRxChannel = (*pbyRxSts) >> 2;
+//PLICE_DEBUG->
+//EnQueue(pDevice,pRxPacket);
+
+#ifdef THREAD
+ EnQueue(pDevice, pRxPacket);
+
+ //printk("enque time is %x\n",jiffies);
+ //up(&pDevice->mlme_semaphore);
+ //Enque (pDevice->FirstRecvMngList,pDevice->LastRecvMngList,pMgmt);
+#else
+
+#ifdef TASK_LET
+ EnQueue(pDevice, pRxPacket);
+ tasklet_schedule(&pDevice->RxMngWorkItem);
+#else
+//printk("RxMan\n");
+ vMgrRxManagePacket((void *)pDevice, pDevice->pMgmt, pRxPacket);
+ //tasklet_schedule(&pDevice->RxMngWorkItem);
+#endif
+
+#endif
+//PLICE_DEBUG<-
+ //vMgrRxManagePacket((void *)pDevice, pDevice->pMgmt, pRxPacket);
+ // hostap Deamon handle 802.11 management
+ if (pDevice->bEnableHostapd) {
+ skb->dev = pDevice->apdev;
+ skb->data += 4;
+ skb->tail += 4;
+ skb_put(skb, FrameSize);
+ skb_reset_mac_header(skb);
+ skb->pkt_type = PACKET_OTHERHOST;
+ skb->protocol = htons(ETH_P_802_2);
+ memset(skb->cb, 0, sizeof(skb->cb));
+ netif_rx(skb);
+ return true;
+ }
+ }
+ else {
+ // Control Frame
+ };
+ return false;
+ }
+ else {
+ if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
+ //In AP mode, hw only check addr1(BSSID or RA) if equal to local MAC.
+ if (!(*pbyRsr & RSR_BSSIDOK)) {
+ if (bDeFragRx) {
+ if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
+ DBG_PRT(MSG_LEVEL_ERR, KERN_ERR "%s: can not alloc more frag bufs\n",
+ pDevice->dev->name);
+ }
+ }
+ return false;
+ }
+ }
+ else {
+ // discard DATA packet while not associate || BSSID error
+ if ((pDevice->bLinkPass == false) ||
+ !(*pbyRsr & RSR_BSSIDOK)) {
+ if (bDeFragRx) {
+ if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
+ DBG_PRT(MSG_LEVEL_ERR, KERN_ERR "%s: can not alloc more frag bufs\n",
+ pDevice->dev->name);
+ }
+ }
+ return false;
+ }
+ //mike add:station mode check eapol-key challenge--->
+ {
+ unsigned char Protocol_Version; //802.1x Authentication
+ unsigned char Packet_Type; //802.1x Authentication
+ if (bIsWEP)
+ cbIVOffset = 8;
+ else
+ cbIVOffset = 0;
+ wEtherType = (skb->data[cbIVOffset + 8 + 24 + 6] << 8) |
+ skb->data[cbIVOffset + 8 + 24 + 6 + 1];
+ Protocol_Version = skb->data[cbIVOffset + 8 + 24 + 6 + 1 + 1];
+ Packet_Type = skb->data[cbIVOffset + 8 + 24 + 6 + 1 + 1 + 1];
+ if (wEtherType == ETH_P_PAE) { //Protocol Type in LLC-Header
+ if (((Protocol_Version == 1) || (Protocol_Version == 2)) &&
+ (Packet_Type == 3)) { //802.1x OR eapol-key challenge frame receive
+ bRxeapol_key = true;
+ }
+ }
+ }
+ //mike add:station mode check eapol-key challenge<---
+ }
+ }
+
+
+// Data frame Handle
+
+
+ if (pDevice->bEnablePSMode) {
+ if (IS_FC_MOREDATA((skb->data+4))) {
+ if (*pbyRsr & RSR_ADDROK) {
+ //PSbSendPSPOLL((PSDevice)pDevice);
+ }
+ }
+ else {
+ if (pDevice->pMgmt->bInTIMWake == true) {
+ pDevice->pMgmt->bInTIMWake = false;
+ }
+ }
+ }
+
+ // Now it only supports 802.11g Infrastructure Mode, and support rate must up to 54 Mbps
+ if (pDevice->bDiversityEnable && (FrameSize > 50) &&
+ (pDevice->eOPMode == OP_MODE_INFRASTRUCTURE) &&
+ (pDevice->bLinkPass == true)) {
+ //printk("device_receive_frame: RxRate is %d\n",*pbyRxRate);
+ BBvAntennaDiversity(pDevice, s_byGetRateIdx(*pbyRxRate), 0);
+ }
+
+
+ if (pDevice->byLocalID != REV_ID_VT3253_B1) {
+ pDevice->uCurrRSSI = *pbyRSSI;
+ }
+ pDevice->byCurrSQ = *pbySQ;
+
+ if ((*pbyRSSI != 0) &&
+ (pMgmt->pCurrBSS != NULL)) {
+ RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm);
+ // Monitor if RSSI is too strong.
+ pMgmt->pCurrBSS->byRSSIStatCnt++;
+ pMgmt->pCurrBSS->byRSSIStatCnt %= RSSI_STAT_COUNT;
+ pMgmt->pCurrBSS->ldBmAverage[pMgmt->pCurrBSS->byRSSIStatCnt] = ldBm;
+ for (ii = 0; ii < RSSI_STAT_COUNT; ii++) {
+ if (pMgmt->pCurrBSS->ldBmAverage[ii] != 0) {
+ pMgmt->pCurrBSS->ldBmMAX = max(pMgmt->pCurrBSS->ldBmAverage[ii], ldBm);
+ }
+ }
+ }
+
+ // -----------------------------------------------
+
+ if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->bEnable8021x == true)) {
+ unsigned char abyMacHdr[24];
+
+ // Only 802.1x packet incoming allowed
+ if (bIsWEP)
+ cbIVOffset = 8;
+ else
+ cbIVOffset = 0;
+ wEtherType = (skb->data[cbIVOffset + 4 + 24 + 6] << 8) |
+ skb->data[cbIVOffset + 4 + 24 + 6 + 1];
+
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wEtherType = %04x \n", wEtherType);
+ if (wEtherType == ETH_P_PAE) {
+ skb->dev = pDevice->apdev;
+
+ if (bIsWEP == true) {
+ // strip IV header(8)
+ memcpy(&abyMacHdr[0], (skb->data + 4), 24);
+ memcpy((skb->data + 4 + cbIVOffset), &abyMacHdr[0], 24);
+ }
+ skb->data += (cbIVOffset + 4);
+ skb->tail += (cbIVOffset + 4);
+ skb_put(skb, FrameSize);
+ skb_reset_mac_header(skb);
+
+ skb->pkt_type = PACKET_OTHERHOST;
+ skb->protocol = htons(ETH_P_802_2);
+ memset(skb->cb, 0, sizeof(skb->cb));
+ netif_rx(skb);
+ return true;
+
+ }
+ // check if 802.1x authorized
+ if (!(pMgmt->sNodeDBTable[iSANodeIndex].dwFlags & WLAN_STA_AUTHORIZED))
+ return false;
+ }
+
+
+ if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
+ if (bIsWEP) {
+ FrameSize -= 8; //MIC
+ }
+ }
+
+ //--------------------------------------------------------------------------------
+ // Soft MIC
+ if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
+ if (bIsWEP) {
+ unsigned long *pdwMIC_L;
+ unsigned long *pdwMIC_R;
+ unsigned long dwMIC_Priority;
+ unsigned long dwMICKey0 = 0, dwMICKey1 = 0;
+ unsigned long dwLocalMIC_L = 0;
+ unsigned long dwLocalMIC_R = 0;
+ viawget_wpa_header *wpahdr;
+
+
+ if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
+ dwMICKey0 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[24]));
+ dwMICKey1 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[28]));
+ }
+ else {
+ if (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) {
+ dwMICKey0 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[16]));
+ dwMICKey1 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[20]));
+ } else if ((pKey->dwKeyIndex & BIT28) == 0) {
+ dwMICKey0 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[16]));
+ dwMICKey1 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[20]));
+ } else {
+ dwMICKey0 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[24]));
+ dwMICKey1 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[28]));
+ }
+ }
+
+ MIC_vInit(dwMICKey0, dwMICKey1);
+ MIC_vAppend((unsigned char *)&(pDevice->sRxEthHeader.abyDstAddr[0]), 12);
+ dwMIC_Priority = 0;
+ MIC_vAppend((unsigned char *)&dwMIC_Priority, 4);
+ // 4 is Rcv buffer header, 24 is MAC Header, and 8 is IV and Ext IV.
+ MIC_vAppend((unsigned char *)(skb->data + 4 + WLAN_HDR_ADDR3_LEN + 8),
+ FrameSize - WLAN_HDR_ADDR3_LEN - 8);
+ MIC_vGetMIC(&dwLocalMIC_L, &dwLocalMIC_R);
+ MIC_vUnInit();
+
+ pdwMIC_L = (unsigned long *)(skb->data + 4 + FrameSize);
+ pdwMIC_R = (unsigned long *)(skb->data + 4 + FrameSize + 4);
+ //DBG_PRN_GRP12(("RxL: %lx, RxR: %lx\n", *pdwMIC_L, *pdwMIC_R));
+ //DBG_PRN_GRP12(("LocalL: %lx, LocalR: %lx\n", dwLocalMIC_L, dwLocalMIC_R));
+ //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dwMICKey0= %lx,dwMICKey1= %lx \n", dwMICKey0, dwMICKey1);
+
+
+ if ((cpu_to_le32(*pdwMIC_L) != dwLocalMIC_L) || (cpu_to_le32(*pdwMIC_R) != dwLocalMIC_R) ||
+ (pDevice->bRxMICFail == true)) {
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "MIC comparison is fail!\n");
+ pDevice->bRxMICFail = false;
+ //pDevice->s802_11Counter.TKIPLocalMICFailures.QuadPart++;
+ pDevice->s802_11Counter.TKIPLocalMICFailures++;
+ if (bDeFragRx) {
+ if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
+ DBG_PRT(MSG_LEVEL_ERR, KERN_ERR "%s: can not alloc more frag bufs\n",
+ pDevice->dev->name);
+ }
+ }
+ //2008-0409-07, <Add> by Einsn Liu
+#ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
+ //send event to wpa_supplicant
+ //if (pDevice->bWPADevEnable == true)
+ {
+ union iwreq_data wrqu;
+ struct iw_michaelmicfailure ev;
+ int keyidx = pbyFrame[cbHeaderSize+3] >> 6; //top two-bits
+ memset(&ev, 0, sizeof(ev));
+ ev.flags = keyidx & IW_MICFAILURE_KEY_ID;
+ if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
+ (pMgmt->eCurrState == WMAC_STATE_ASSOC) &&
+ (*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) {
+ ev.flags |= IW_MICFAILURE_PAIRWISE;
+ } else {
+ ev.flags |= IW_MICFAILURE_GROUP;
+ }
+
+ ev.src_addr.sa_family = ARPHRD_ETHER;
+ memcpy(ev.src_addr.sa_data, pMACHeader->abyAddr2, ETH_ALEN);
+ memset(&wrqu, 0, sizeof(wrqu));
+ wrqu.data.length = sizeof(ev);
+ wireless_send_event(pDevice->dev, IWEVMICHAELMICFAILURE, &wrqu, (char *)&ev);
+
+ }
+#endif
+
+
+ if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) {
+ wpahdr = (viawget_wpa_header *)pDevice->skb->data;
+ if ((pDevice->pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
+ (pDevice->pMgmt->eCurrState == WMAC_STATE_ASSOC) &&
+ (*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) {
+ //s802_11_Status.Flags = NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR;
+ wpahdr->type = VIAWGET_PTK_MIC_MSG;
+ } else {
+ //s802_11_Status.Flags = NDIS_802_11_AUTH_REQUEST_GROUP_ERROR;
+ wpahdr->type = VIAWGET_GTK_MIC_MSG;
+ }
+ wpahdr->resp_ie_len = 0;
+ wpahdr->req_ie_len = 0;
+ skb_put(pDevice->skb, sizeof(viawget_wpa_header));
+ pDevice->skb->dev = pDevice->wpadev;
+ skb_reset_mac_header(pDevice->skb);
+ pDevice->skb->pkt_type = PACKET_HOST;
+ pDevice->skb->protocol = htons(ETH_P_802_2);
+ memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb));
+ netif_rx(pDevice->skb);
+ pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
+ }
+
+ return false;
+
+ }
+ }
+ } //---end of SOFT MIC-----------------------------------------------------------------------
+
+ // ++++++++++ Reply Counter Check +++++++++++++
+
+ if ((pKey != NULL) && ((pKey->byCipherSuite == KEY_CTL_TKIP) ||
+ (pKey->byCipherSuite == KEY_CTL_CCMP))) {
+ if (bIsWEP) {
+ unsigned short wLocalTSC15_0 = 0;
+ unsigned long dwLocalTSC47_16 = 0;
+ unsigned long long RSC = 0;
+ // endian issues
+ RSC = *((unsigned long long *)&(pKey->KeyRSC));
+ wLocalTSC15_0 = (unsigned short)RSC;
+ dwLocalTSC47_16 = (unsigned long)(RSC>>16);
+
+ RSC = dwRxTSC47_16;
+ RSC <<= 16;
+ RSC += wRxTSC15_0;
+ memcpy(&(pKey->KeyRSC), &RSC, sizeof(QWORD));
+
+ if ((pDevice->sMgmtObj.eCurrMode == WMAC_MODE_ESS_STA) &&
+ (pDevice->sMgmtObj.eCurrState == WMAC_STATE_ASSOC)) {
+ // check RSC
+ if ((wRxTSC15_0 < wLocalTSC15_0) &&
+ (dwRxTSC47_16 <= dwLocalTSC47_16) &&
+ !((dwRxTSC47_16 == 0) && (dwLocalTSC47_16 == 0xFFFFFFFF))) {
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "TSC is illegal~~!\n ");
+ if (pKey->byCipherSuite == KEY_CTL_TKIP)
+ //pDevice->s802_11Counter.TKIPReplays.QuadPart++;
+ pDevice->s802_11Counter.TKIPReplays++;
+ else
+ //pDevice->s802_11Counter.CCMPReplays.QuadPart++;
+ pDevice->s802_11Counter.CCMPReplays++;
+
+ if (bDeFragRx) {
+ if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
+ DBG_PRT(MSG_LEVEL_ERR, KERN_ERR "%s: can not alloc more frag bufs\n",
+ pDevice->dev->name);
+ }
+ }
+ return false;
+ }
+ }
+ }
+ } // ----- End of Reply Counter Check --------------------------
+
+
+
+ if ((pKey != NULL) && (bIsWEP)) {
+// pDevice->s802_11Counter.DecryptSuccessCount.QuadPart++;
+ }
+
+
+ s_vProcessRxMACHeader(pDevice, (unsigned char *)(skb->data+4), FrameSize, bIsWEP, bExtIV, &cbHeaderOffset);
+ FrameSize -= cbHeaderOffset;
+ cbHeaderOffset += 4; // 4 is Rcv buffer header
+
+ // Null data, framesize = 14
+ if (FrameSize < 15)
+ return false;
+
+ if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
+ if (s_bAPModeRxData(pDevice,
+ skb,
+ FrameSize,
+ cbHeaderOffset,
+ iSANodeIndex,
+ iDANodeIndex
+) == false) {
+
+ if (bDeFragRx) {
+ if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
+ DBG_PRT(MSG_LEVEL_ERR, KERN_ERR "%s: can not alloc more frag bufs\n",
+ pDevice->dev->name);
+ }
+ }
+ return false;
+ }
+
+// if (pDevice->bRxMICFail == false) {
+// for (ii =0; ii < 100; ii++)
+// printk(" %02x", *(skb->data + ii));
+// printk("\n");
+// }
+
+ }
+
+ skb->data += cbHeaderOffset;
+ skb->tail += cbHeaderOffset;
+ skb_put(skb, FrameSize);
+ skb->protocol = eth_type_trans(skb, skb->dev);
+
+
+ //drop frame not met IEEE 802.3
+/*
+ if (pDevice->flags & DEVICE_FLAGS_VAL_PKT_LEN) {
+ if ((skb->protocol==htons(ETH_P_802_3)) &&
+ (skb->len!=htons(skb->mac.ethernet->h_proto))) {
+ pStats->rx_length_errors++;
+ pStats->rx_dropped++;
+ if (bDeFragRx) {
+ if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
+ DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
+ pDevice->dev->name);
+ }
+ }
+ return false;
+ }
+ }
+*/
+
+ skb->ip_summed = CHECKSUM_NONE;
+ pStats->rx_bytes += skb->len;
+ pStats->rx_packets++;
+ netif_rx(skb);
+
+ if (bDeFragRx) {
+ if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
+ DBG_PRT(MSG_LEVEL_ERR, KERN_ERR "%s: can not alloc more frag bufs\n",
+ pDevice->dev->name);
+ }
+ return false;
+ }
+
+ return true;
+}
+
+
+static bool s_bAPModeRxCtl(
+ PSDevice pDevice,
+ unsigned char *pbyFrame,
+ int iSANodeIndex
+)
+{
+ PS802_11Header p802_11Header;
+ CMD_STATUS Status;
+ PSMgmtObject pMgmt = pDevice->pMgmt;
+
+
+ if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) {
+
+ p802_11Header = (PS802_11Header)(pbyFrame);
+ if (!IS_TYPE_MGMT(pbyFrame)) {
+
+ // Data & PS-Poll packet
+ // check frame class
+ if (iSANodeIndex > 0) {
+ // frame class 3 fliter & checking
+ if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_AUTH) {
+ // send deauth notification
+ // reason = (6) class 2 received from nonauth sta
+ vMgrDeAuthenBeginSta(pDevice,
+ pMgmt,
+ (unsigned char *)(p802_11Header->abyAddr2),
+ (WLAN_MGMT_REASON_CLASS2_NONAUTH),
+ &Status
+);
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 1\n");
+ return true;
+ }
+ if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_ASSOC) {
+ // send deassoc notification
+ // reason = (7) class 3 received from nonassoc sta
+ vMgrDisassocBeginSta(pDevice,
+ pMgmt,
+ (unsigned char *)(p802_11Header->abyAddr2),
+ (WLAN_MGMT_REASON_CLASS3_NONASSOC),
+ &Status
+);
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDisassocBeginSta 2\n");
+ return true;
+ }
+
+ if (pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable) {
+ // delcare received ps-poll event
+ if (IS_CTL_PSPOLL(pbyFrame)) {
+ pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = true;
+ bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 1\n");
+ }
+ else {
+ // check Data PS state
+ // if PW bit off, send out all PS bufferring packets.
+ if (!IS_FC_POWERMGT(pbyFrame)) {
+ pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = false;
+ pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = true;
+ bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 2\n");
+ }
+ }
+ }
+ else {
+ if (IS_FC_POWERMGT(pbyFrame)) {
+ pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = true;
+ // Once if STA in PS state, enable multicast bufferring
+ pMgmt->sNodeDBTable[0].bPSEnable = true;
+ }
+ else {
+ // clear all pending PS frame.
+ if (pMgmt->sNodeDBTable[iSANodeIndex].wEnQueueCnt > 0) {
+ pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = false;
+ pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = true;
+ bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 3\n");
+
+ }
+ }
+ }
+ }
+ else {
+ vMgrDeAuthenBeginSta(pDevice,
+ pMgmt,
+ (unsigned char *)(p802_11Header->abyAddr2),
+ (WLAN_MGMT_REASON_CLASS2_NONAUTH),
+ &Status
+);
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 3\n");
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSSID:%pM\n",
+ p802_11Header->abyAddr3);
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR2:%pM\n",
+ p802_11Header->abyAddr2);
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR1:%pM\n",
+ p802_11Header->abyAddr1);
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: wFrameCtl= %x\n", p802_11Header->wFrameCtl);
+ VNSvInPortB(pDevice->PortOffset + MAC_REG_RCR, &(pDevice->byRxMode));
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc:pDevice->byRxMode = %x\n", pDevice->byRxMode);
+ return true;
+ }
+ }
+ }
+ return false;
+
+}
+
+static bool s_bHandleRxEncryption(
+ PSDevice pDevice,
+ unsigned char *pbyFrame,
+ unsigned int FrameSize,
+ unsigned char *pbyRsr,
+ unsigned char *pbyNewRsr,
+ PSKeyItem *pKeyOut,
+ bool *pbExtIV,
+ unsigned short *pwRxTSC15_0,
+ unsigned long *pdwRxTSC47_16
+)
+{
+ unsigned int PayloadLen = FrameSize;
+ unsigned char *pbyIV;
+ unsigned char byKeyIdx;
+ PSKeyItem pKey = NULL;
+ unsigned char byDecMode = KEY_CTL_WEP;
+ PSMgmtObject pMgmt = pDevice->pMgmt;
+
+
+ *pwRxTSC15_0 = 0;
+ *pdwRxTSC47_16 = 0;
+
+ pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
+ if (WLAN_GET_FC_TODS(*(unsigned short *)pbyFrame) &&
+ WLAN_GET_FC_FROMDS(*(unsigned short *)pbyFrame)) {
+ pbyIV += 6; // 6 is 802.11 address4
+ PayloadLen -= 6;
+ }
+ byKeyIdx = (*(pbyIV+3) & 0xc0);
+ byKeyIdx >>= 6;
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "\nKeyIdx: %d\n", byKeyIdx);
+
+ if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
+ (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) ||
+ (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) ||
+ (pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
+ (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
+ if (((*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) &&
+ (pDevice->pMgmt->byCSSPK != KEY_CTL_NONE)) {
+ // unicast pkt use pairwise key
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "unicast pkt\n");
+ if (KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, 0xFFFFFFFF, &pKey) == true) {
+ if (pDevice->pMgmt->byCSSPK == KEY_CTL_TKIP)
+ byDecMode = KEY_CTL_TKIP;
+ else if (pDevice->pMgmt->byCSSPK == KEY_CTL_CCMP)
+ byDecMode = KEY_CTL_CCMP;
+ }
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "unicast pkt: %d, %p\n", byDecMode, pKey);
+ } else {
+ // use group key
+ KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, byKeyIdx, &pKey);
+ if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
+ byDecMode = KEY_CTL_TKIP;
+ else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP)
+ byDecMode = KEY_CTL_CCMP;
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "group pkt: %d, %d, %p\n", byKeyIdx, byDecMode, pKey);
+ }
+ }
+ // our WEP only support Default Key
+ if (pKey == NULL) {
+ // use default group key
+ KeybGetKey(&(pDevice->sKey), pDevice->abyBroadcastAddr, byKeyIdx, &pKey);
+ if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
+ byDecMode = KEY_CTL_TKIP;
+ else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP)
+ byDecMode = KEY_CTL_CCMP;
+ }
+ *pKeyOut = pKey;
+
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "AES:%d %d %d\n", pDevice->pMgmt->byCSSPK, pDevice->pMgmt->byCSSGK, byDecMode);
+
+ if (pKey == NULL) {
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pKey == NULL\n");
+ if (byDecMode == KEY_CTL_WEP) {
+// pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++;
+ } else if (pDevice->bLinkPass == true) {
+// pDevice->s802_11Counter.DecryptFailureCount.QuadPart++;
+ }
+ return false;
+ }
+ if (byDecMode != pKey->byCipherSuite) {
+ if (byDecMode == KEY_CTL_WEP) {
+// pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++;
+ } else if (pDevice->bLinkPass == true) {
+// pDevice->s802_11Counter.DecryptFailureCount.QuadPart++;
+ }
+ *pKeyOut = NULL;
+ return false;
+ }
+ if (byDecMode == KEY_CTL_WEP) {
+ // handle WEP
+ if ((pDevice->byLocalID <= REV_ID_VT3253_A1) ||
+ (((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == true)) {
+ // Software WEP
+ // 1. 3253A
+ // 2. WEP 256
+
+ PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc
+ memcpy(pDevice->abyPRNG, pbyIV, 3);
+ memcpy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength);
+ rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3);
+ rc4_encrypt(&pDevice->SBox, pbyIV+4, pbyIV+4, PayloadLen);
+
+ if (ETHbIsBufferCrc32Ok(pbyIV+4, PayloadLen)) {
+ *pbyNewRsr |= NEWRSR_DECRYPTOK;
+ }
+ }
+ } else if ((byDecMode == KEY_CTL_TKIP) ||
+ (byDecMode == KEY_CTL_CCMP)) {
+ // TKIP/AES
+
+ PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc
+ *pdwRxTSC47_16 = cpu_to_le32(*(unsigned long *)(pbyIV + 4));
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ExtIV: %lx\n", *pdwRxTSC47_16);
+ if (byDecMode == KEY_CTL_TKIP) {
+ *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV + 2), *pbyIV));
+ } else {
+ *pwRxTSC15_0 = cpu_to_le16(*(unsigned short *)pbyIV);
+ }
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "TSC0_15: %x\n", *pwRxTSC15_0);
+
+ if ((byDecMode == KEY_CTL_TKIP) &&
+ (pDevice->byLocalID <= REV_ID_VT3253_A1)) {
+ // Software TKIP
+ // 1. 3253 A
+ PS802_11Header pMACHeader = (PS802_11Header)(pbyFrame);
+ TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG);
+ rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN);
+ rc4_encrypt(&pDevice->SBox, pbyIV+8, pbyIV+8, PayloadLen);
+ if (ETHbIsBufferCrc32Ok(pbyIV+8, PayloadLen)) {
+ *pbyNewRsr |= NEWRSR_DECRYPTOK;
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ICV OK!\n");
+ } else {
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ICV FAIL!!!\n");
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "PayloadLen = %d\n", PayloadLen);
+ }
+ }
+ }// end of TKIP/AES
+
+ if ((*(pbyIV+3) & 0x20) != 0)
+ *pbExtIV = true;
+ return true;
+}
+
+
+static bool s_bHostWepRxEncryption(
+ PSDevice pDevice,
+ unsigned char *pbyFrame,
+ unsigned int FrameSize,
+ unsigned char *pbyRsr,
+ bool bOnFly,
+ PSKeyItem pKey,
+ unsigned char *pbyNewRsr,
+ bool *pbExtIV,
+ unsigned short *pwRxTSC15_0,
+ unsigned long *pdwRxTSC47_16
+)
+{
+ unsigned int PayloadLen = FrameSize;
+ unsigned char *pbyIV;
+ unsigned char byKeyIdx;
+ unsigned char byDecMode = KEY_CTL_WEP;
+ PS802_11Header pMACHeader;
+
+
+
+ *pwRxTSC15_0 = 0;
+ *pdwRxTSC47_16 = 0;
+
+ pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
+ if (WLAN_GET_FC_TODS(*(unsigned short *)pbyFrame) &&
+ WLAN_GET_FC_FROMDS(*(unsigned short *)pbyFrame)) {
+ pbyIV += 6; // 6 is 802.11 address4
+ PayloadLen -= 6;
+ }
+ byKeyIdx = (*(pbyIV+3) & 0xc0);
+ byKeyIdx >>= 6;
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "\nKeyIdx: %d\n", byKeyIdx);
+
+
+ if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
+ byDecMode = KEY_CTL_TKIP;
+ else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP)
+ byDecMode = KEY_CTL_CCMP;
+
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "AES:%d %d %d\n", pDevice->pMgmt->byCSSPK, pDevice->pMgmt->byCSSGK, byDecMode);
+
+ if (byDecMode != pKey->byCipherSuite) {
+ if (byDecMode == KEY_CTL_WEP) {
+// pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++;
+ } else if (pDevice->bLinkPass == true) {
+// pDevice->s802_11Counter.DecryptFailureCount.QuadPart++;
+ }
+ return false;
+ }
+
+ if (byDecMode == KEY_CTL_WEP) {
+ // handle WEP
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "byDecMode == KEY_CTL_WEP \n");
+ if ((pDevice->byLocalID <= REV_ID_VT3253_A1) ||
+ (((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == true) ||
+ (bOnFly == false)) {
+ // Software WEP
+ // 1. 3253A
+ // 2. WEP 256
+ // 3. NotOnFly
+
+ PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc
+ memcpy(pDevice->abyPRNG, pbyIV, 3);
+ memcpy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength);
+ rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3);
+ rc4_encrypt(&pDevice->SBox, pbyIV+4, pbyIV+4, PayloadLen);
+
+ if (ETHbIsBufferCrc32Ok(pbyIV+4, PayloadLen)) {
+ *pbyNewRsr |= NEWRSR_DECRYPTOK;
+ }
+ }
+ } else if ((byDecMode == KEY_CTL_TKIP) ||
+ (byDecMode == KEY_CTL_CCMP)) {
+ // TKIP/AES
+
+ PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc
+ *pdwRxTSC47_16 = cpu_to_le32(*(unsigned long *)(pbyIV + 4));
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ExtIV: %lx\n", *pdwRxTSC47_16);
+
+ if (byDecMode == KEY_CTL_TKIP) {
+ *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV));
+ } else {
+ *pwRxTSC15_0 = cpu_to_le16(*(unsigned short *)pbyIV);
+ }
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "TSC0_15: %x\n", *pwRxTSC15_0);
+
+ if (byDecMode == KEY_CTL_TKIP) {
+
+ if ((pDevice->byLocalID <= REV_ID_VT3253_A1) || (bOnFly == false)) {
+ // Software TKIP
+ // 1. 3253 A
+ // 2. NotOnFly
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "soft KEY_CTL_TKIP \n");
+ pMACHeader = (PS802_11Header)(pbyFrame);
+ TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG);
+ rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN);
+ rc4_encrypt(&pDevice->SBox, pbyIV+8, pbyIV+8, PayloadLen);
+ if (ETHbIsBufferCrc32Ok(pbyIV+8, PayloadLen)) {
+ *pbyNewRsr |= NEWRSR_DECRYPTOK;
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ICV OK!\n");
+ } else {
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ICV FAIL!!!\n");
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "PayloadLen = %d\n", PayloadLen);
+ }
+ }
+ }
+
+ if (byDecMode == KEY_CTL_CCMP) {
+ if (bOnFly == false) {
+ // Software CCMP
+ // NotOnFly
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "soft KEY_CTL_CCMP\n");
+ if (AESbGenCCMP(pKey->abyKey, pbyFrame, FrameSize)) {
+ *pbyNewRsr |= NEWRSR_DECRYPTOK;
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "CCMP MIC compare OK!\n");
+ } else {
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "CCMP MIC fail!\n");
+ }
+ }
+ }
+
+ }// end of TKIP/AES
+
+ if ((*(pbyIV+3) & 0x20) != 0)
+ *pbExtIV = true;
+ return true;
+}
+
+
+
+static bool s_bAPModeRxData(
+ PSDevice pDevice,
+ struct sk_buff *skb,
+ unsigned int FrameSize,
+ unsigned int cbHeaderOffset,
+ int iSANodeIndex,
+ int iDANodeIndex
+)
+{
+ PSMgmtObject pMgmt = pDevice->pMgmt;
+ bool bRelayAndForward = false;
+ bool bRelayOnly = false;
+ unsigned char byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
+ unsigned short wAID;
+
+
+ struct sk_buff *skbcpy = NULL;
+
+ if (FrameSize > CB_MAX_BUF_SIZE)
+ return false;
+ // check DA
+ if (is_multicast_ether_addr((unsigned char *)(skb->data+cbHeaderOffset))) {
+ if (pMgmt->sNodeDBTable[0].bPSEnable) {
+
+ skbcpy = dev_alloc_skb((int)pDevice->rx_buf_sz);
+
+ // if any node in PS mode, buffer packet until DTIM.
+ if (skbcpy == NULL) {
+ DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "relay multicast no skb available \n");
+ }
+ else {
+ skbcpy->dev = pDevice->dev;
+ skbcpy->len = FrameSize;
+ memcpy(skbcpy->data, skb->data+cbHeaderOffset, FrameSize);
+ skb_queue_tail(&(pMgmt->sNodeDBTable[0].sTxPSQueue), skbcpy);
+
+ pMgmt->sNodeDBTable[0].wEnQueueCnt++;
+ // set tx map
+ pMgmt->abyPSTxMap[0] |= byMask[0];
+ }
+ }
+ else {
+ bRelayAndForward = true;
+ }
+ }
+ else {
+ // check if relay
+ if (BSSDBbIsSTAInNodeDB(pMgmt, (unsigned char *)(skb->data+cbHeaderOffset), &iDANodeIndex)) {
+ if (pMgmt->sNodeDBTable[iDANodeIndex].eNodeState >= NODE_ASSOC) {
+ if (pMgmt->sNodeDBTable[iDANodeIndex].bPSEnable) {
+ // queue this skb until next PS tx, and then release.
+
+ skb->data += cbHeaderOffset;
+ skb->tail += cbHeaderOffset;
+ skb_put(skb, FrameSize);
+ skb_queue_tail(&pMgmt->sNodeDBTable[iDANodeIndex].sTxPSQueue, skb);
+ pMgmt->sNodeDBTable[iDANodeIndex].wEnQueueCnt++;
+ wAID = pMgmt->sNodeDBTable[iDANodeIndex].wAID;
+ pMgmt->abyPSTxMap[wAID >> 3] |= byMask[wAID & 7];
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "relay: index= %d, pMgmt->abyPSTxMap[%d]= %d\n",
+ iDANodeIndex, (wAID >> 3), pMgmt->abyPSTxMap[wAID >> 3]);
+ return true;
+ }
+ else {
+ bRelayOnly = true;
+ }
+ }
+ }
+ }
+
+ if (bRelayOnly || bRelayAndForward) {
+ // relay this packet right now
+ if (bRelayAndForward)
+ iDANodeIndex = 0;
+
+ if ((pDevice->uAssocCount > 1) && (iDANodeIndex >= 0)) {
+ ROUTEbRelay(pDevice, (unsigned char *)(skb->data + cbHeaderOffset), FrameSize, (unsigned int)iDANodeIndex);
+ }
+
+ if (bRelayOnly)
+ return false;
+ }
+ // none associate, don't forward
+ if (pDevice->uAssocCount == 0)
+ return false;
+
+ return true;
+}
+
diff --git a/drivers/staging/vt6655/dpc.h b/drivers/staging/vt6655/dpc.h
index c1b6e76..9b34176 100644
--- a/drivers/staging/vt6655/dpc.h
+++ b/drivers/staging/vt6655/dpc.h
@@ -42,10 +42,10 @@
/*--------------------- Export Functions --------------------------*/
bool
-device_receive_frame (
- PSDevice pDevice,
- PSRxDesc pCurrRD
- );
+device_receive_frame(
+ PSDevice pDevice,
+ PSRxDesc pCurrRD
+);
void MngWorkItem(void *Context);
--
1.8.1.2.459.gbcd45b4.dirty
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