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Commit 22c5291e authored by Joe Perches's avatar Joe Perches Committed by Greg Kroah-Hartman
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staging:vt6655:dpc: Whitespace cleanups 

Neatening only.
git diff -w shows no differences.
Signed-off-by: default avatarJoe Perches <joe@perches.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 915006cd
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Showing with 1224 additions and 1224 deletions
drivers/staging/vt6655/dpc.c
View file @ 22c5291e
...@@ -63,7 +63,7 @@ ...@@ -63,7 +63,7 @@
/*--------------------- Static Variables --------------------------*/ /*--------------------- Static Variables --------------------------*/
//static int msglevel =MSG_LEVEL_DEBUG; //static int msglevel =MSG_LEVEL_DEBUG;
static int msglevel =MSG_LEVEL_INFO; static int msglevel = MSG_LEVEL_INFO;
const unsigned char acbyRxRate[MAX_RATE] = const unsigned char acbyRxRate[MAX_RATE] =
{2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108}; {2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108};
...@@ -80,57 +80,57 @@ static unsigned char s_byGetRateIdx(unsigned char byRate); ...@@ -80,57 +80,57 @@ static unsigned char s_byGetRateIdx(unsigned char byRate);
static void static void
s_vGetDASA(unsigned char *pbyRxBufferAddr, unsigned int *pcbHeaderSize, s_vGetDASA(unsigned char *pbyRxBufferAddr, unsigned int *pcbHeaderSize,
PSEthernetHeader psEthHeader); PSEthernetHeader psEthHeader);
static void static void
s_vProcessRxMACHeader(PSDevice pDevice, unsigned char *pbyRxBufferAddr, s_vProcessRxMACHeader(PSDevice pDevice, unsigned char *pbyRxBufferAddr,
unsigned int cbPacketSize, bool bIsWEP, bool bExtIV, unsigned int cbPacketSize, bool bIsWEP, bool bExtIV,
unsigned int *pcbHeadSize); unsigned int *pcbHeadSize);
static bool s_bAPModeRxCtl( static bool s_bAPModeRxCtl(
PSDevice pDevice, PSDevice pDevice,
unsigned char *pbyFrame, unsigned char *pbyFrame,
int iSANodeIndex int iSANodeIndex
); );
static bool s_bAPModeRxData ( static bool s_bAPModeRxData(
PSDevice pDevice, PSDevice pDevice,
struct sk_buff* skb, struct sk_buff *skb,
unsigned int FrameSize, unsigned int FrameSize,
unsigned int cbHeaderOffset, unsigned int cbHeaderOffset,
int iSANodeIndex, int iSANodeIndex,
int iDANodeIndex int iDANodeIndex
); );
static bool s_bHandleRxEncryption( static bool s_bHandleRxEncryption(
PSDevice pDevice, PSDevice pDevice,
unsigned char *pbyFrame, unsigned char *pbyFrame,
unsigned int FrameSize, unsigned int FrameSize,
unsigned char *pbyRsr, unsigned char *pbyRsr,
unsigned char *pbyNewRsr, unsigned char *pbyNewRsr,
PSKeyItem *pKeyOut, PSKeyItem *pKeyOut,
bool *pbExtIV, bool *pbExtIV,
unsigned short *pwRxTSC15_0, unsigned short *pwRxTSC15_0,
unsigned long *pdwRxTSC47_16 unsigned long *pdwRxTSC47_16
); );
static bool s_bHostWepRxEncryption( static bool s_bHostWepRxEncryption(
PSDevice pDevice, PSDevice pDevice,
unsigned char *pbyFrame, unsigned char *pbyFrame,
unsigned int FrameSize, unsigned int FrameSize,
unsigned char *pbyRsr, unsigned char *pbyRsr,
bool bOnFly, bool bOnFly,
PSKeyItem pKey, PSKeyItem pKey,
unsigned char *pbyNewRsr, unsigned char *pbyNewRsr,
bool *pbExtIV, bool *pbExtIV,
unsigned short *pwRxTSC15_0, unsigned short *pwRxTSC15_0,
unsigned long *pdwRxTSC47_16 unsigned long *pdwRxTSC47_16
); );
/*--------------------- Export Variables --------------------------*/ /*--------------------- Export Variables --------------------------*/
...@@ -150,142 +150,142 @@ static bool s_bHostWepRxEncryption( ...@@ -150,142 +150,142 @@ static bool s_bHostWepRxEncryption(
* *
* Return Value: None * Return Value: None
* *
-*/ -*/
static void static void
s_vProcessRxMACHeader(PSDevice pDevice, unsigned char *pbyRxBufferAddr, s_vProcessRxMACHeader(PSDevice pDevice, unsigned char *pbyRxBufferAddr,
unsigned int cbPacketSize, bool bIsWEP, bool bExtIV, unsigned int cbPacketSize, bool bIsWEP, bool bExtIV,
unsigned int *pcbHeadSize) unsigned int *pcbHeadSize)
{ {
unsigned char *pbyRxBuffer; unsigned char *pbyRxBuffer;
unsigned int cbHeaderSize = 0; unsigned int cbHeaderSize = 0;
unsigned short *pwType; unsigned short *pwType;
PS802_11Header pMACHeader; PS802_11Header pMACHeader;
int ii; int ii;
pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize); pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize);
s_vGetDASA((unsigned char *)pMACHeader, &cbHeaderSize, &pDevice->sRxEthHeader); s_vGetDASA((unsigned char *)pMACHeader, &cbHeaderSize, &pDevice->sRxEthHeader);
if (bIsWEP) { if (bIsWEP) {
if (bExtIV) { if (bExtIV) {
// strip IV&ExtIV , add 8 byte // strip IV&ExtIV , add 8 byte
cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 8); cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 8);
} else { } else {
// strip IV , add 4 byte // strip IV , add 4 byte
cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 4); cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 4);
} }
} }
else { else {
cbHeaderSize += WLAN_HDR_ADDR3_LEN; cbHeaderSize += WLAN_HDR_ADDR3_LEN;
}; };
pbyRxBuffer = (unsigned char *) (pbyRxBufferAddr + cbHeaderSize); pbyRxBuffer = (unsigned char *)(pbyRxBufferAddr + cbHeaderSize);
if (!compare_ether_addr(pbyRxBuffer, &pDevice->abySNAP_Bridgetunnel[0])) { if (!compare_ether_addr(pbyRxBuffer, &pDevice->abySNAP_Bridgetunnel[0])) {
cbHeaderSize += 6; cbHeaderSize += 6;
} }
else if (!compare_ether_addr(pbyRxBuffer, &pDevice->abySNAP_RFC1042[0])) { else if (!compare_ether_addr(pbyRxBuffer, &pDevice->abySNAP_RFC1042[0])) {
cbHeaderSize += 6; cbHeaderSize += 6;
pwType = (unsigned short *) (pbyRxBufferAddr + cbHeaderSize); pwType = (unsigned short *)(pbyRxBufferAddr + cbHeaderSize);
if ((*pwType!= TYPE_PKT_IPX) && (*pwType != cpu_to_le16(0xF380))) { if ((*pwType != TYPE_PKT_IPX) && (*pwType != cpu_to_le16(0xF380))) {
} }
else { else {
cbHeaderSize -= 8; cbHeaderSize -= 8;
pwType = (unsigned short *) (pbyRxBufferAddr + cbHeaderSize); pwType = (unsigned short *)(pbyRxBufferAddr + cbHeaderSize);
if (bIsWEP) { if (bIsWEP) {
if (bExtIV) { if (bExtIV) {
*pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); // 8 is IV&ExtIV *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); // 8 is IV&ExtIV
} else { } else {
*pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); // 4 is IV *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); // 4 is IV
} }
} }
else { else {
*pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN); *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN);
} }
} }
} }
else { else {
cbHeaderSize -= 2; cbHeaderSize -= 2;
pwType = (unsigned short *) (pbyRxBufferAddr + cbHeaderSize); pwType = (unsigned short *)(pbyRxBufferAddr + cbHeaderSize);
if (bIsWEP) { if (bIsWEP) {
if (bExtIV) { if (bExtIV) {
*pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); // 8 is IV&ExtIV *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); // 8 is IV&ExtIV
} else { } else {
*pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); // 4 is IV *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); // 4 is IV
} }
} }
else { else {
*pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN); *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN);
} }
} }
cbHeaderSize -= (ETH_ALEN * 2); cbHeaderSize -= (ETH_ALEN * 2);
pbyRxBuffer = (unsigned char *) (pbyRxBufferAddr + cbHeaderSize); pbyRxBuffer = (unsigned char *)(pbyRxBufferAddr + cbHeaderSize);
for(ii=0;ii<ETH_ALEN;ii++) for (ii = 0; ii < ETH_ALEN; ii++)
*pbyRxBuffer++ = pDevice->sRxEthHeader.abyDstAddr[ii]; *pbyRxBuffer++ = pDevice->sRxEthHeader.abyDstAddr[ii];
for(ii=0;ii<ETH_ALEN;ii++) for (ii = 0; ii < ETH_ALEN; ii++)
*pbyRxBuffer++ = pDevice->sRxEthHeader.abySrcAddr[ii]; *pbyRxBuffer++ = pDevice->sRxEthHeader.abySrcAddr[ii];
*pcbHeadSize = cbHeaderSize; *pcbHeadSize = cbHeaderSize;
} }
static unsigned char s_byGetRateIdx (unsigned char byRate) static unsigned char s_byGetRateIdx(unsigned char byRate)
{ {
unsigned char byRateIdx; unsigned char byRateIdx;
for (byRateIdx = 0; byRateIdx <MAX_RATE ; byRateIdx++) { for (byRateIdx = 0; byRateIdx < MAX_RATE; byRateIdx++) {
if (acbyRxRate[byRateIdx%MAX_RATE] == byRate) if (acbyRxRate[byRateIdx % MAX_RATE] == byRate)
return byRateIdx; return byRateIdx;
} }
return 0; return 0;
} }
static void static void
s_vGetDASA(unsigned char *pbyRxBufferAddr, unsigned int *pcbHeaderSize, s_vGetDASA(unsigned char *pbyRxBufferAddr, unsigned int *pcbHeaderSize,
PSEthernetHeader psEthHeader) PSEthernetHeader psEthHeader)
{ {
unsigned int cbHeaderSize = 0; unsigned int cbHeaderSize = 0;
PS802_11Header pMACHeader; PS802_11Header pMACHeader;
int ii; int ii;
pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize); pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize);
if ((pMACHeader->wFrameCtl & FC_TODS) == 0) { if ((pMACHeader->wFrameCtl & FC_TODS) == 0) {
if (pMACHeader->wFrameCtl & FC_FROMDS) { if (pMACHeader->wFrameCtl & FC_FROMDS) {
for(ii=0;ii<ETH_ALEN;ii++) { for (ii = 0; ii < ETH_ALEN; ii++) {
psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii]; psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii];
psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr3[ii]; psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr3[ii];
} }
} }
else { else {
// IBSS mode // IBSS mode
for(ii=0;ii<ETH_ALEN;ii++) { for (ii = 0; ii < ETH_ALEN; ii++) {
psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii]; psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii];
psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii]; psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii];
} }
} }
} }
else { else {
// Is AP mode.. // Is AP mode..
if (pMACHeader->wFrameCtl & FC_FROMDS) { if (pMACHeader->wFrameCtl & FC_FROMDS) {
for(ii=0;ii<ETH_ALEN;ii++) { for (ii = 0; ii < ETH_ALEN; ii++) {
psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii]; psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii];
psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr4[ii]; psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr4[ii];
cbHeaderSize += 6; cbHeaderSize += 6;
} }
} }
else { else {
for(ii=0;ii<ETH_ALEN;ii++) { for (ii = 0; ii < ETH_ALEN; ii++) {
psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii]; psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii];
psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii]; psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii];
} }
} }
}; };
*pcbHeaderSize = cbHeaderSize; *pcbHeaderSize = cbHeaderSize;
} }
...@@ -299,10 +299,10 @@ void MngWorkItem(void *Context) ...@@ -299,10 +299,10 @@ void MngWorkItem(void *Context)
PSDevice pDevice = (PSDevice) Context; PSDevice pDevice = (PSDevice) Context;
//printk("Enter MngWorkItem,Queue packet num is %d\n",pDevice->rxManeQueue.packet_num); //printk("Enter MngWorkItem,Queue packet num is %d\n",pDevice->rxManeQueue.packet_num);
spin_lock_irq(&pDevice->lock); spin_lock_irq(&pDevice->lock);
while(pDevice->rxManeQueue.packet_num != 0) while (pDevice->rxManeQueue.packet_num != 0)
{ {
pRxMgmtPacket = DeQueue(pDevice); pRxMgmtPacket = DeQueue(pDevice);
vMgrRxManagePacket(pDevice, pDevice->pMgmt, pRxMgmtPacket); vMgrRxManagePacket(pDevice, pDevice->pMgmt, pRxMgmtPacket);
} }
spin_unlock_irq(&pDevice->lock); spin_unlock_irq(&pDevice->lock);
} }
...@@ -313,531 +313,531 @@ void MngWorkItem(void *Context) ...@@ -313,531 +313,531 @@ void MngWorkItem(void *Context)
bool bool
device_receive_frame ( device_receive_frame(
PSDevice pDevice, PSDevice pDevice,
PSRxDesc pCurrRD PSRxDesc pCurrRD
) )
{ {
PDEVICE_RD_INFO pRDInfo = pCurrRD->pRDInfo; PDEVICE_RD_INFO pRDInfo = pCurrRD->pRDInfo;
#ifdef PLICE_DEBUG #ifdef PLICE_DEBUG
//printk("device_receive_frame:pCurrRD is %x,pRDInfo is %x\n",pCurrRD,pCurrRD->pRDInfo); //printk("device_receive_frame:pCurrRD is %x,pRDInfo is %x\n",pCurrRD,pCurrRD->pRDInfo);
#endif #endif
struct net_device_stats* pStats=&pDevice->stats; struct net_device_stats *pStats = &pDevice->stats;
struct sk_buff* skb; struct sk_buff *skb;
PSMgmtObject pMgmt = pDevice->pMgmt; PSMgmtObject pMgmt = pDevice->pMgmt;
PSRxMgmtPacket pRxPacket = &(pDevice->pMgmt->sRxPacket); PSRxMgmtPacket pRxPacket = &(pDevice->pMgmt->sRxPacket);
PS802_11Header p802_11Header; PS802_11Header p802_11Header;
unsigned char *pbyRsr; unsigned char *pbyRsr;
unsigned char *pbyNewRsr; unsigned char *pbyNewRsr;
unsigned char *pbyRSSI; unsigned char *pbyRSSI;
PQWORD pqwTSFTime; PQWORD pqwTSFTime;
unsigned short *pwFrameSize; unsigned short *pwFrameSize;
unsigned char *pbyFrame; unsigned char *pbyFrame;
bool bDeFragRx = false; bool bDeFragRx = false;
bool bIsWEP = false; bool bIsWEP = false;
unsigned int cbHeaderOffset; unsigned int cbHeaderOffset;
unsigned int FrameSize; unsigned int FrameSize;
unsigned short wEtherType = 0; unsigned short wEtherType = 0;
int iSANodeIndex = -1; int iSANodeIndex = -1;
int iDANodeIndex = -1; int iDANodeIndex = -1;
unsigned int ii; unsigned int ii;
unsigned int cbIVOffset; unsigned int cbIVOffset;
bool bExtIV = false; bool bExtIV = false;
unsigned char *pbyRxSts; unsigned char *pbyRxSts;
unsigned char *pbyRxRate; unsigned char *pbyRxRate;
unsigned char *pbySQ; unsigned char *pbySQ;
unsigned int cbHeaderSize; unsigned int cbHeaderSize;
PSKeyItem pKey = NULL; PSKeyItem pKey = NULL;
unsigned short wRxTSC15_0 = 0; unsigned short wRxTSC15_0 = 0;
unsigned long dwRxTSC47_16 = 0; unsigned long dwRxTSC47_16 = 0;
SKeyItem STempKey; SKeyItem STempKey;
// 802.11h RPI // 802.11h RPI
unsigned long dwDuration = 0; unsigned long dwDuration = 0;
long ldBm = 0; long ldBm = 0;
long ldBmThreshold = 0; long ldBmThreshold = 0;
PS802_11Header pMACHeader; PS802_11Header pMACHeader;
bool bRxeapol_key = false; bool bRxeapol_key = false;
// DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- device_receive_frame---\n"); // DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "---------- device_receive_frame---\n");
skb = pRDInfo->skb; skb = pRDInfo->skb;
//PLICE_DEBUG-> //PLICE_DEBUG->
#if 1 #if 1
pci_unmap_single(pDevice->pcid, pRDInfo->skb_dma, pci_unmap_single(pDevice->pcid, pRDInfo->skb_dma,
pDevice->rx_buf_sz, PCI_DMA_FROMDEVICE); pDevice->rx_buf_sz, PCI_DMA_FROMDEVICE);
#endif #endif
//PLICE_DEBUG<- //PLICE_DEBUG<-
pwFrameSize = (unsigned short *)(skb->data + 2); pwFrameSize = (unsigned short *)(skb->data + 2);
FrameSize = cpu_to_le16(pCurrRD->m_rd1RD1.wReqCount) - cpu_to_le16(pCurrRD->m_rd0RD0.wResCount); FrameSize = cpu_to_le16(pCurrRD->m_rd1RD1.wReqCount) - cpu_to_le16(pCurrRD->m_rd0RD0.wResCount);
// Max: 2312Payload + 30HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR // Max: 2312Payload + 30HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR
// Min (ACK): 10HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR // Min (ACK): 10HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR
if ((FrameSize > 2364)||(FrameSize <= 32)) { if ((FrameSize > 2364) || (FrameSize <= 32)) {
// Frame Size error drop this packet. // Frame Size error drop this packet.
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- WRONG Length 1 \n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "---------- WRONG Length 1 \n");
return false; return false;
} }
pbyRxSts = (unsigned char *) (skb->data); pbyRxSts = (unsigned char *)(skb->data);
pbyRxRate = (unsigned char *) (skb->data + 1); pbyRxRate = (unsigned char *)(skb->data + 1);
pbyRsr = (unsigned char *) (skb->data + FrameSize - 1); pbyRsr = (unsigned char *)(skb->data + FrameSize - 1);
pbyRSSI = (unsigned char *) (skb->data + FrameSize - 2); pbyRSSI = (unsigned char *)(skb->data + FrameSize - 2);
pbyNewRsr = (unsigned char *) (skb->data + FrameSize - 3); pbyNewRsr = (unsigned char *)(skb->data + FrameSize - 3);
pbySQ = (unsigned char *) (skb->data + FrameSize - 4); pbySQ = (unsigned char *)(skb->data + FrameSize - 4);
pqwTSFTime = (PQWORD) (skb->data + FrameSize - 12); pqwTSFTime = (PQWORD)(skb->data + FrameSize - 12);
pbyFrame = (unsigned char *)(skb->data + 4); pbyFrame = (unsigned char *)(skb->data + 4);
// get packet size // get packet size
FrameSize = cpu_to_le16(*pwFrameSize); FrameSize = cpu_to_le16(*pwFrameSize);
if ((FrameSize > 2346)|(FrameSize < 14)) { // Max: 2312Payload + 30HD +4CRC if ((FrameSize > 2346)|(FrameSize < 14)) { // Max: 2312Payload + 30HD +4CRC
// Min: 14 bytes ACK // Min: 14 bytes ACK
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- WRONG Length 2 \n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "---------- WRONG Length 2 \n");
return false; return false;
} }
//PLICE_DEBUG-> //PLICE_DEBUG->
#if 1 #if 1
// update receive statistic counter // update receive statistic counter
STAvUpdateRDStatCounter(&pDevice->scStatistic, STAvUpdateRDStatCounter(&pDevice->scStatistic,
*pbyRsr, *pbyRsr,
*pbyNewRsr, *pbyNewRsr,
*pbyRxRate, *pbyRxRate,
pbyFrame, pbyFrame,
FrameSize); FrameSize);
#endif #endif
pMACHeader=(PS802_11Header)((unsigned char *) (skb->data)+8); pMACHeader = (PS802_11Header)((unsigned char *)(skb->data) + 8);
//PLICE_DEBUG<- //PLICE_DEBUG<-
if (pDevice->bMeasureInProgress == true) { if (pDevice->bMeasureInProgress == true) {
if ((*pbyRsr & RSR_CRCOK) != 0) { if ((*pbyRsr & RSR_CRCOK) != 0) {
pDevice->byBasicMap |= 0x01; pDevice->byBasicMap |= 0x01;
} }
dwDuration = (FrameSize << 4); dwDuration = (FrameSize << 4);
dwDuration /= acbyRxRate[*pbyRxRate%MAX_RATE]; dwDuration /= acbyRxRate[*pbyRxRate%MAX_RATE];
if (*pbyRxRate <= RATE_11M) { if (*pbyRxRate <= RATE_11M) {
if (*pbyRxSts & 0x01) { if (*pbyRxSts & 0x01) {
// long preamble // long preamble
dwDuration += 192; dwDuration += 192;
} else { } else {
// short preamble // short preamble
dwDuration += 96; dwDuration += 96;
} }
} else { } else {
dwDuration += 16; dwDuration += 16;
} }
RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm); RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm);
ldBmThreshold = -57; ldBmThreshold = -57;
for (ii = 7; ii > 0;) { for (ii = 7; ii > 0;) {
if (ldBm > ldBmThreshold) { if (ldBm > ldBmThreshold) {
break; break;
} }
ldBmThreshold -= 5; ldBmThreshold -= 5;
ii--; ii--;
} }
pDevice->dwRPIs[ii] += dwDuration; pDevice->dwRPIs[ii] += dwDuration;
return false; return false;
} }
if (!is_multicast_ether_addr(pbyFrame)) { if (!is_multicast_ether_addr(pbyFrame)) {
if (WCTLbIsDuplicate(&(pDevice->sDupRxCache), (PS802_11Header) (skb->data + 4))) { if (WCTLbIsDuplicate(&(pDevice->sDupRxCache), (PS802_11Header)(skb->data + 4))) {
pDevice->s802_11Counter.FrameDuplicateCount++; pDevice->s802_11Counter.FrameDuplicateCount++;
return false; return false;
} }
} }
// Use for TKIP MIC // Use for TKIP MIC
s_vGetDASA(skb->data+4, &cbHeaderSize, &pDevice->sRxEthHeader); s_vGetDASA(skb->data+4, &cbHeaderSize, &pDevice->sRxEthHeader);
// filter packet send from myself // filter packet send from myself
if (!compare_ether_addr((unsigned char *)&(pDevice->sRxEthHeader.abySrcAddr[0]), pDevice->abyCurrentNetAddr)) if (!compare_ether_addr((unsigned char *)&(pDevice->sRxEthHeader.abySrcAddr[0]), pDevice->abyCurrentNetAddr))
return false; return false;
if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) || (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)) { if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) || (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)) {
if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) { if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) {
p802_11Header = (PS802_11Header) (pbyFrame); p802_11Header = (PS802_11Header)(pbyFrame);
// get SA NodeIndex // get SA NodeIndex
if (BSSDBbIsSTAInNodeDB(pMgmt, (unsigned char *)(p802_11Header->abyAddr2), &iSANodeIndex)) { if (BSSDBbIsSTAInNodeDB(pMgmt, (unsigned char *)(p802_11Header->abyAddr2), &iSANodeIndex)) {
pMgmt->sNodeDBTable[iSANodeIndex].ulLastRxJiffer = jiffies; pMgmt->sNodeDBTable[iSANodeIndex].ulLastRxJiffer = jiffies;
pMgmt->sNodeDBTable[iSANodeIndex].uInActiveCount = 0; pMgmt->sNodeDBTable[iSANodeIndex].uInActiveCount = 0;
} }
} }
} }
if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
if (s_bAPModeRxCtl(pDevice, pbyFrame, iSANodeIndex) == true) { if (s_bAPModeRxCtl(pDevice, pbyFrame, iSANodeIndex) == true) {
return false; return false;
} }
} }
if (IS_FC_WEP(pbyFrame)) { if (IS_FC_WEP(pbyFrame)) {
bool bRxDecryOK = false; bool bRxDecryOK = false;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"rx WEP pkt\n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "rx WEP pkt\n");
bIsWEP = true; bIsWEP = true;
if ((pDevice->bEnableHostWEP) && (iSANodeIndex >= 0)) { if ((pDevice->bEnableHostWEP) && (iSANodeIndex >= 0)) {
pKey = &STempKey; pKey = &STempKey;
pKey->byCipherSuite = pMgmt->sNodeDBTable[iSANodeIndex].byCipherSuite; pKey->byCipherSuite = pMgmt->sNodeDBTable[iSANodeIndex].byCipherSuite;
pKey->dwKeyIndex = pMgmt->sNodeDBTable[iSANodeIndex].dwKeyIndex; pKey->dwKeyIndex = pMgmt->sNodeDBTable[iSANodeIndex].dwKeyIndex;
pKey->uKeyLength = pMgmt->sNodeDBTable[iSANodeIndex].uWepKeyLength; pKey->uKeyLength = pMgmt->sNodeDBTable[iSANodeIndex].uWepKeyLength;
pKey->dwTSC47_16 = pMgmt->sNodeDBTable[iSANodeIndex].dwTSC47_16; pKey->dwTSC47_16 = pMgmt->sNodeDBTable[iSANodeIndex].dwTSC47_16;
pKey->wTSC15_0 = pMgmt->sNodeDBTable[iSANodeIndex].wTSC15_0; pKey->wTSC15_0 = pMgmt->sNodeDBTable[iSANodeIndex].wTSC15_0;
memcpy(pKey->abyKey, memcpy(pKey->abyKey,
&pMgmt->sNodeDBTable[iSANodeIndex].abyWepKey[0], &pMgmt->sNodeDBTable[iSANodeIndex].abyWepKey[0],
pKey->uKeyLength pKey->uKeyLength
); );
bRxDecryOK = s_bHostWepRxEncryption(pDevice, bRxDecryOK = s_bHostWepRxEncryption(pDevice,
pbyFrame, pbyFrame,
FrameSize, FrameSize,
pbyRsr, pbyRsr,
pMgmt->sNodeDBTable[iSANodeIndex].bOnFly, pMgmt->sNodeDBTable[iSANodeIndex].bOnFly,
pKey, pKey,
pbyNewRsr, pbyNewRsr,
&bExtIV, &bExtIV,
&wRxTSC15_0, &wRxTSC15_0,
&dwRxTSC47_16); &dwRxTSC47_16);
} else { } else {
bRxDecryOK = s_bHandleRxEncryption(pDevice, bRxDecryOK = s_bHandleRxEncryption(pDevice,
pbyFrame, pbyFrame,
FrameSize, FrameSize,
pbyRsr, pbyRsr,
pbyNewRsr, pbyNewRsr,
&pKey, &pKey,
&bExtIV, &bExtIV,
&wRxTSC15_0, &wRxTSC15_0,
&dwRxTSC47_16); &dwRxTSC47_16);
} }
if (bRxDecryOK) { if (bRxDecryOK) {
if ((*pbyNewRsr & NEWRSR_DECRYPTOK) == 0) { if ((*pbyNewRsr & NEWRSR_DECRYPTOK) == 0) {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV Fail\n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ICV Fail\n");
if ( (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA) || if ((pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
(pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) || (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) ||
(pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) || (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) ||
(pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
(pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) { (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) { if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
pDevice->s802_11Counter.TKIPICVErrors++; pDevice->s802_11Counter.TKIPICVErrors++;
} else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP)) { } else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP)) {
pDevice->s802_11Counter.CCMPDecryptErrors++; pDevice->s802_11Counter.CCMPDecryptErrors++;
} else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_WEP)) { } else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_WEP)) {
// pDevice->s802_11Counter.WEPICVErrorCount.QuadPart++; // pDevice->s802_11Counter.WEPICVErrorCount.QuadPart++;
} }
} }
return false; return false;
} }
} else { } else {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"WEP Func Fail\n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "WEP Func Fail\n");
return false; return false;
} }
if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP)) if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP))
FrameSize -= 8; // Message Integrity Code FrameSize -= 8; // Message Integrity Code
else else
FrameSize -= 4; // 4 is ICV FrameSize -= 4; // 4 is ICV
} }
// //
// RX OK // RX OK
// //
//remove the CRC length //remove the CRC length
FrameSize -= ETH_FCS_LEN; FrameSize -= ETH_FCS_LEN;
if (( !(*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI))) && // unicast address if ((!(*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI))) && // unicast address
(IS_FRAGMENT_PKT((skb->data+4))) (IS_FRAGMENT_PKT((skb->data+4)))
) { ) {
// defragment // defragment
bDeFragRx = WCTLbHandleFragment(pDevice, (PS802_11Header) (skb->data+4), FrameSize, bIsWEP, bExtIV); bDeFragRx = WCTLbHandleFragment(pDevice, (PS802_11Header)(skb->data+4), FrameSize, bIsWEP, bExtIV);
pDevice->s802_11Counter.ReceivedFragmentCount++; pDevice->s802_11Counter.ReceivedFragmentCount++;
if (bDeFragRx) { if (bDeFragRx) {
// defrag complete // defrag complete
skb = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].skb; skb = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].skb;
FrameSize = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].cbFrameLength; FrameSize = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].cbFrameLength;
} }
else { else {
return false; return false;
} }
} }
// Management & Control frame Handle // Management & Control frame Handle
if ((IS_TYPE_DATA((skb->data+4))) == false) { if ((IS_TYPE_DATA((skb->data+4))) == false) {
// Handle Control & Manage Frame // Handle Control & Manage Frame
if (IS_TYPE_MGMT((skb->data+4))) { if (IS_TYPE_MGMT((skb->data+4))) {
unsigned char *pbyData1; unsigned char *pbyData1;
unsigned char *pbyData2; unsigned char *pbyData2;
pRxPacket->p80211Header = (PUWLAN_80211HDR)(skb->data+4); pRxPacket->p80211Header = (PUWLAN_80211HDR)(skb->data+4);
pRxPacket->cbMPDULen = FrameSize; pRxPacket->cbMPDULen = FrameSize;
pRxPacket->uRSSI = *pbyRSSI; pRxPacket->uRSSI = *pbyRSSI;
pRxPacket->bySQ = *pbySQ; pRxPacket->bySQ = *pbySQ;
HIDWORD(pRxPacket->qwLocalTSF) = cpu_to_le32(HIDWORD(*pqwTSFTime)); HIDWORD(pRxPacket->qwLocalTSF) = cpu_to_le32(HIDWORD(*pqwTSFTime));
LODWORD(pRxPacket->qwLocalTSF) = cpu_to_le32(LODWORD(*pqwTSFTime)); LODWORD(pRxPacket->qwLocalTSF) = cpu_to_le32(LODWORD(*pqwTSFTime));
if (bIsWEP) { if (bIsWEP) {
// strip IV // strip IV
pbyData1 = WLAN_HDR_A3_DATA_PTR(skb->data+4); pbyData1 = WLAN_HDR_A3_DATA_PTR(skb->data+4);
pbyData2 = WLAN_HDR_A3_DATA_PTR(skb->data+4) + 4; pbyData2 = WLAN_HDR_A3_DATA_PTR(skb->data+4) + 4;
for (ii = 0; ii < (FrameSize - 4); ii++) { for (ii = 0; ii < (FrameSize - 4); ii++) {
*pbyData1 = *pbyData2; *pbyData1 = *pbyData2;
pbyData1++; pbyData1++;
pbyData2++; pbyData2++;
} }
} }
pRxPacket->byRxRate = s_byGetRateIdx(*pbyRxRate); pRxPacket->byRxRate = s_byGetRateIdx(*pbyRxRate);
pRxPacket->byRxChannel = (*pbyRxSts) >> 2; pRxPacket->byRxChannel = (*pbyRxSts) >> 2;
//PLICE_DEBUG-> //PLICE_DEBUG->
//EnQueue(pDevice,pRxPacket); //EnQueue(pDevice,pRxPacket);
#ifdef THREAD #ifdef THREAD
EnQueue(pDevice,pRxPacket); EnQueue(pDevice, pRxPacket);
//printk("enque time is %x\n",jiffies); //printk("enque time is %x\n",jiffies);
//up(&pDevice->mlme_semaphore); //up(&pDevice->mlme_semaphore);
//Enque (pDevice->FirstRecvMngList,pDevice->LastRecvMngList,pMgmt); //Enque (pDevice->FirstRecvMngList,pDevice->LastRecvMngList,pMgmt);
#else #else
#ifdef TASK_LET #ifdef TASK_LET
EnQueue(pDevice,pRxPacket); EnQueue(pDevice, pRxPacket);
tasklet_schedule(&pDevice->RxMngWorkItem); tasklet_schedule(&pDevice->RxMngWorkItem);
#else #else
//printk("RxMan\n"); //printk("RxMan\n");
vMgrRxManagePacket((void *)pDevice, pDevice->pMgmt, pRxPacket); vMgrRxManagePacket((void *)pDevice, pDevice->pMgmt, pRxPacket);
//tasklet_schedule(&pDevice->RxMngWorkItem); //tasklet_schedule(&pDevice->RxMngWorkItem);
#endif #endif
#endif #endif
//PLICE_DEBUG<- //PLICE_DEBUG<-
//vMgrRxManagePacket((void *)pDevice, pDevice->pMgmt, pRxPacket); //vMgrRxManagePacket((void *)pDevice, pDevice->pMgmt, pRxPacket);
// hostap Deamon handle 802.11 management // hostap Deamon handle 802.11 management
if (pDevice->bEnableHostapd) { if (pDevice->bEnableHostapd) {
skb->dev = pDevice->apdev; skb->dev = pDevice->apdev;
skb->data += 4; skb->data += 4;
skb->tail += 4; skb->tail += 4;
skb_put(skb, FrameSize); skb_put(skb, FrameSize);
skb_reset_mac_header(skb); skb_reset_mac_header(skb);
skb->pkt_type = PACKET_OTHERHOST; skb->pkt_type = PACKET_OTHERHOST;
skb->protocol = htons(ETH_P_802_2); skb->protocol = htons(ETH_P_802_2);
memset(skb->cb, 0, sizeof(skb->cb)); memset(skb->cb, 0, sizeof(skb->cb));
netif_rx(skb); netif_rx(skb);
return true; return true;
} }
} }
else { else {
// Control Frame // Control Frame
}; };
return false; return false;
} }
else { else {
if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
//In AP mode, hw only check addr1(BSSID or RA) if equal to local MAC. //In AP mode, hw only check addr1(BSSID or RA) if equal to local MAC.
if ( !(*pbyRsr & RSR_BSSIDOK)) { if (!(*pbyRsr & RSR_BSSIDOK)) {
if (bDeFragRx) { if (bDeFragRx) {
if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { 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", DBG_PRT(MSG_LEVEL_ERR, KERN_ERR "%s: can not alloc more frag bufs\n",
pDevice->dev->name); pDevice->dev->name);
} }
} }
return false; return false;
} }
} }
else { else {
// discard DATA packet while not associate || BSSID error // discard DATA packet while not associate || BSSID error
if ((pDevice->bLinkPass == false) || if ((pDevice->bLinkPass == false) ||
!(*pbyRsr & RSR_BSSIDOK)) { !(*pbyRsr & RSR_BSSIDOK)) {
if (bDeFragRx) { if (bDeFragRx) {
if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { 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", DBG_PRT(MSG_LEVEL_ERR, KERN_ERR "%s: can not alloc more frag bufs\n",
pDevice->dev->name); pDevice->dev->name);
} }
} }
return false; return false;
} }
//mike add:station mode check eapol-key challenge---> //mike add:station mode check eapol-key challenge--->
{ {
unsigned char Protocol_Version; //802.1x Authentication unsigned char Protocol_Version; //802.1x Authentication
unsigned char Packet_Type; //802.1x Authentication unsigned char Packet_Type; //802.1x Authentication
if (bIsWEP) if (bIsWEP)
cbIVOffset = 8; cbIVOffset = 8;
else else
cbIVOffset = 0; cbIVOffset = 0;
wEtherType = (skb->data[cbIVOffset + 8 + 24 + 6] << 8) | wEtherType = (skb->data[cbIVOffset + 8 + 24 + 6] << 8) |
skb->data[cbIVOffset + 8 + 24 + 6 + 1]; skb->data[cbIVOffset + 8 + 24 + 6 + 1];
Protocol_Version = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1]; Protocol_Version = skb->data[cbIVOffset + 8 + 24 + 6 + 1 + 1];
Packet_Type = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1]; Packet_Type = skb->data[cbIVOffset + 8 + 24 + 6 + 1 + 1 + 1];
if (wEtherType == ETH_P_PAE) { //Protocol Type in LLC-Header if (wEtherType == ETH_P_PAE) { //Protocol Type in LLC-Header
if(((Protocol_Version==1) ||(Protocol_Version==2)) && if (((Protocol_Version == 1) || (Protocol_Version == 2)) &&
(Packet_Type==3)) { //802.1x OR eapol-key challenge frame receive (Packet_Type == 3)) { //802.1x OR eapol-key challenge frame receive
bRxeapol_key = true; bRxeapol_key = true;
} }
} }
} }
//mike add:station mode check eapol-key challenge<--- //mike add:station mode check eapol-key challenge<---
} }
} }
// Data frame Handle // Data frame Handle
if (pDevice->bEnablePSMode) { if (pDevice->bEnablePSMode) {
if (IS_FC_MOREDATA((skb->data+4))) { if (IS_FC_MOREDATA((skb->data+4))) {
if (*pbyRsr & RSR_ADDROK) { if (*pbyRsr & RSR_ADDROK) {
//PSbSendPSPOLL((PSDevice)pDevice); //PSbSendPSPOLL((PSDevice)pDevice);
} }
} }
else { else {
if (pDevice->pMgmt->bInTIMWake == true) { if (pDevice->pMgmt->bInTIMWake == true) {
pDevice->pMgmt->bInTIMWake = false; pDevice->pMgmt->bInTIMWake = false;
} }
} }
} }
// Now it only supports 802.11g Infrastructure Mode, and support rate must up to 54 Mbps // Now it only supports 802.11g Infrastructure Mode, and support rate must up to 54 Mbps
if (pDevice->bDiversityEnable && (FrameSize>50) && if (pDevice->bDiversityEnable && (FrameSize > 50) &&
(pDevice->eOPMode == OP_MODE_INFRASTRUCTURE) && (pDevice->eOPMode == OP_MODE_INFRASTRUCTURE) &&
(pDevice->bLinkPass == true)) { (pDevice->bLinkPass == true)) {
//printk("device_receive_frame: RxRate is %d\n",*pbyRxRate); //printk("device_receive_frame: RxRate is %d\n",*pbyRxRate);
BBvAntennaDiversity(pDevice, s_byGetRateIdx(*pbyRxRate), 0); 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 (pDevice->byLocalID != REV_ID_VT3253_B1) {
if (!(pMgmt->sNodeDBTable[iSANodeIndex].dwFlags & WLAN_STA_AUTHORIZED)) pDevice->uCurrRSSI = *pbyRSSI;
return false; }
} pDevice->byCurrSQ = *pbySQ;
if ((*pbyRSSI != 0) &&
if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) { (pMgmt->pCurrBSS != NULL)) {
if (bIsWEP) { RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm);
FrameSize -= 8; //MIC // 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++) {
// Soft MIC if (pMgmt->pCurrBSS->ldBmAverage[ii] != 0) {
if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) { pMgmt->pCurrBSS->ldBmMAX = max(pMgmt->pCurrBSS->ldBmAverage[ii], ldBm);
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; if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->bEnable8021x == true)) {
viawget_wpa_header *wpahdr; unsigned char abyMacHdr[24];
// Only 802.1x packet incoming allowed
if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { if (bIsWEP)
dwMICKey0 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[24])); cbIVOffset = 8;
dwMICKey1 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[28])); else
} cbIVOffset = 0;
else { wEtherType = (skb->data[cbIVOffset + 4 + 24 + 6] << 8) |
if (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) { skb->data[cbIVOffset + 4 + 24 + 6 + 1];
dwMICKey0 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[16]));
dwMICKey1 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[20])); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wEtherType = %04x \n", wEtherType);
} else if ((pKey->dwKeyIndex & BIT28) == 0) { if (wEtherType == ETH_P_PAE) {
dwMICKey0 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[16])); skb->dev = pDevice->apdev;
dwMICKey1 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[20]));
} else { if (bIsWEP == true) {
dwMICKey0 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[24])); // strip IV header(8)
dwMICKey1 = cpu_to_le32(*(unsigned long *)(&pKey->abyKey[28])); memcpy(&abyMacHdr[0], (skb->data + 4), 24);
} memcpy((skb->data + 4 + cbIVOffset), &abyMacHdr[0], 24);
} }
skb->data += (cbIVOffset + 4);
MIC_vInit(dwMICKey0, dwMICKey1); skb->tail += (cbIVOffset + 4);
MIC_vAppend((unsigned char *)&(pDevice->sRxEthHeader.abyDstAddr[0]), 12); skb_put(skb, FrameSize);
dwMIC_Priority = 0; skb_reset_mac_header(skb);
MIC_vAppend((unsigned char *)&dwMIC_Priority, 4);
// 4 is Rcv buffer header, 24 is MAC Header, and 8 is IV and Ext IV. skb->pkt_type = PACKET_OTHERHOST;
MIC_vAppend((unsigned char *)(skb->data + 4 + WLAN_HDR_ADDR3_LEN + 8), skb->protocol = htons(ETH_P_802_2);
FrameSize - WLAN_HDR_ADDR3_LEN - 8); memset(skb->cb, 0, sizeof(skb->cb));
MIC_vGetMIC(&dwLocalMIC_L, &dwLocalMIC_R); netif_rx(skb);
MIC_vUnInit(); return true;
pdwMIC_L = (unsigned long *)(skb->data + 4 + FrameSize); }
pdwMIC_R = (unsigned long *)(skb->data + 4 + FrameSize + 4); // check if 802.1x authorized
//DBG_PRN_GRP12(("RxL: %lx, RxR: %lx\n", *pdwMIC_L, *pdwMIC_R)); if (!(pMgmt->sNodeDBTable[iSANodeIndex].dwFlags & WLAN_STA_AUTHORIZED))
//DBG_PRN_GRP12(("LocalL: %lx, LocalR: %lx\n", dwLocalMIC_L, dwLocalMIC_R)); return false;
//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) || if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
(pDevice->bRxMICFail == true)) { if (bIsWEP) {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC comparison is fail!\n"); FrameSize -= 8; //MIC
pDevice->bRxMICFail = false; }
//pDevice->s802_11Counter.TKIPLocalMICFailures.QuadPart++; }
pDevice->s802_11Counter.TKIPLocalMICFailures++;
if (bDeFragRx) { //--------------------------------------------------------------------------------
if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { // Soft MIC
DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n", if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
pDevice->dev->name); if (bIsWEP) {
} unsigned long *pdwMIC_L;
} unsigned long *pdwMIC_R;
//2008-0409-07, <Add> by Einsn Liu unsigned long dwMIC_Priority;
#ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT 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 //send event to wpa_supplicant
//if(pDevice->bWPADevEnable == true) //if (pDevice->bWPADevEnable == true)
{ {
union iwreq_data wrqu; union iwreq_data wrqu;
struct iw_michaelmicfailure ev; struct iw_michaelmicfailure ev;
...@@ -845,8 +845,8 @@ device_receive_frame ( ...@@ -845,8 +845,8 @@ device_receive_frame (
memset(&ev, 0, sizeof(ev)); memset(&ev, 0, sizeof(ev));
ev.flags = keyidx & IW_MICFAILURE_KEY_ID; ev.flags = keyidx & IW_MICFAILURE_KEY_ID;
if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
(pMgmt->eCurrState == WMAC_STATE_ASSOC) && (pMgmt->eCurrState == WMAC_STATE_ASSOC) &&
(*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) { (*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) {
ev.flags |= IW_MICFAILURE_PAIRWISE; ev.flags |= IW_MICFAILURE_PAIRWISE;
} else { } else {
ev.flags |= IW_MICFAILURE_GROUP; ev.flags |= IW_MICFAILURE_GROUP;
...@@ -859,633 +859,633 @@ device_receive_frame ( ...@@ -859,633 +859,633 @@ device_receive_frame (
wireless_send_event(pDevice->dev, IWEVMICHAELMICFAILURE, &wrqu, (char *)&ev); wireless_send_event(pDevice->dev, IWEVMICHAELMICFAILURE, &wrqu, (char *)&ev);
} }
#endif #endif
if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) { if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) {
wpahdr = (viawget_wpa_header *)pDevice->skb->data; wpahdr = (viawget_wpa_header *)pDevice->skb->data;
if ((pDevice->pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && if ((pDevice->pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
(pDevice->pMgmt->eCurrState == WMAC_STATE_ASSOC) && (pDevice->pMgmt->eCurrState == WMAC_STATE_ASSOC) &&
(*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) { (*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) {
//s802_11_Status.Flags = NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR; //s802_11_Status.Flags = NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR;
wpahdr->type = VIAWGET_PTK_MIC_MSG; wpahdr->type = VIAWGET_PTK_MIC_MSG;
} else { } else {
//s802_11_Status.Flags = NDIS_802_11_AUTH_REQUEST_GROUP_ERROR; //s802_11_Status.Flags = NDIS_802_11_AUTH_REQUEST_GROUP_ERROR;
wpahdr->type = VIAWGET_GTK_MIC_MSG; wpahdr->type = VIAWGET_GTK_MIC_MSG;
} }
wpahdr->resp_ie_len = 0; wpahdr->resp_ie_len = 0;
wpahdr->req_ie_len = 0; wpahdr->req_ie_len = 0;
skb_put(pDevice->skb, sizeof(viawget_wpa_header)); skb_put(pDevice->skb, sizeof(viawget_wpa_header));
pDevice->skb->dev = pDevice->wpadev; pDevice->skb->dev = pDevice->wpadev;
skb_reset_mac_header(pDevice->skb); skb_reset_mac_header(pDevice->skb);
pDevice->skb->pkt_type = PACKET_HOST; pDevice->skb->pkt_type = PACKET_HOST;
pDevice->skb->protocol = htons(ETH_P_802_2); pDevice->skb->protocol = htons(ETH_P_802_2);
memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb)); memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb));
netif_rx(pDevice->skb); netif_rx(pDevice->skb);
pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz); pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
} }
return false; return false;
} }
} }
} //---end of SOFT MIC----------------------------------------------------------------------- } //---end of SOFT MIC-----------------------------------------------------------------------
// ++++++++++ Reply Counter Check +++++++++++++ // ++++++++++ Reply Counter Check +++++++++++++
if ((pKey != NULL) && ((pKey->byCipherSuite == KEY_CTL_TKIP) || if ((pKey != NULL) && ((pKey->byCipherSuite == KEY_CTL_TKIP) ||
(pKey->byCipherSuite == KEY_CTL_CCMP))) { (pKey->byCipherSuite == KEY_CTL_CCMP))) {
if (bIsWEP) { if (bIsWEP) {
unsigned short wLocalTSC15_0 = 0; unsigned short wLocalTSC15_0 = 0;
unsigned long dwLocalTSC47_16 = 0; unsigned long dwLocalTSC47_16 = 0;
unsigned long long RSC = 0; unsigned long long RSC = 0;
// endian issues // endian issues
RSC = *((unsigned long long *) &(pKey->KeyRSC)); RSC = *((unsigned long long *)&(pKey->KeyRSC));
wLocalTSC15_0 = (unsigned short) RSC; wLocalTSC15_0 = (unsigned short)RSC;
dwLocalTSC47_16 = (unsigned long) (RSC>>16); dwLocalTSC47_16 = (unsigned long)(RSC>>16);
RSC = dwRxTSC47_16; RSC = dwRxTSC47_16;
RSC <<= 16; RSC <<= 16;
RSC += wRxTSC15_0; RSC += wRxTSC15_0;
memcpy(&(pKey->KeyRSC), &RSC, sizeof(QWORD)); memcpy(&(pKey->KeyRSC), &RSC, sizeof(QWORD));
if ( (pDevice->sMgmtObj.eCurrMode == WMAC_MODE_ESS_STA) && if ((pDevice->sMgmtObj.eCurrMode == WMAC_MODE_ESS_STA) &&
(pDevice->sMgmtObj.eCurrState == WMAC_STATE_ASSOC)) { (pDevice->sMgmtObj.eCurrState == WMAC_STATE_ASSOC)) {
// check RSC // check RSC
if ( (wRxTSC15_0 < wLocalTSC15_0) && if ((wRxTSC15_0 < wLocalTSC15_0) &&
(dwRxTSC47_16 <= dwLocalTSC47_16) && (dwRxTSC47_16 <= dwLocalTSC47_16) &&
!((dwRxTSC47_16 == 0) && (dwLocalTSC47_16 == 0xFFFFFFFF))) { !((dwRxTSC47_16 == 0) && (dwLocalTSC47_16 == 0xFFFFFFFF))) {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC is illegal~~!\n "); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "TSC is illegal~~!\n ");
if (pKey->byCipherSuite == KEY_CTL_TKIP) if (pKey->byCipherSuite == KEY_CTL_TKIP)
//pDevice->s802_11Counter.TKIPReplays.QuadPart++; //pDevice->s802_11Counter.TKIPReplays.QuadPart++;
pDevice->s802_11Counter.TKIPReplays++; pDevice->s802_11Counter.TKIPReplays++;
else else
//pDevice->s802_11Counter.CCMPReplays.QuadPart++; //pDevice->s802_11Counter.CCMPReplays.QuadPart++;
pDevice->s802_11Counter.CCMPReplays++; pDevice->s802_11Counter.CCMPReplays++;
if (bDeFragRx) { if (bDeFragRx) {
if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { 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", DBG_PRT(MSG_LEVEL_ERR, KERN_ERR "%s: can not alloc more frag bufs\n",
pDevice->dev->name); pDevice->dev->name);
} }
} }
return false; return false;
} }
} }
} }
} // ----- End of Reply Counter Check -------------------------- } // ----- End of Reply Counter Check --------------------------
if ((pKey != NULL) && (bIsWEP)) { if ((pKey != NULL) && (bIsWEP)) {
// pDevice->s802_11Counter.DecryptSuccessCount.QuadPart++; // pDevice->s802_11Counter.DecryptSuccessCount.QuadPart++;
} }
s_vProcessRxMACHeader(pDevice, (unsigned char *)(skb->data+4), FrameSize, bIsWEP, bExtIV, &cbHeaderOffset); s_vProcessRxMACHeader(pDevice, (unsigned char *)(skb->data+4), FrameSize, bIsWEP, bExtIV, &cbHeaderOffset);
FrameSize -= cbHeaderOffset; FrameSize -= cbHeaderOffset;
cbHeaderOffset += 4; // 4 is Rcv buffer header cbHeaderOffset += 4; // 4 is Rcv buffer header
// Null data, framesize = 14 // Null data, framesize = 14
if (FrameSize < 15) if (FrameSize < 15)
return false; return false;
if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
if (s_bAPModeRxData(pDevice, if (s_bAPModeRxData(pDevice,
skb, skb,
FrameSize, FrameSize,
cbHeaderOffset, cbHeaderOffset,
iSANodeIndex, iSANodeIndex,
iDANodeIndex iDANodeIndex
) == false) { ) == false) {
if (bDeFragRx) { if (bDeFragRx) {
if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { 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", DBG_PRT(MSG_LEVEL_ERR, KERN_ERR "%s: can not alloc more frag bufs\n",
pDevice->dev->name); pDevice->dev->name);
} }
} }
return false; return false;
} }
// if(pDevice->bRxMICFail == false) { // if (pDevice->bRxMICFail == false) {
// for (ii =0; ii < 100; ii++) // for (ii =0; ii < 100; ii++)
// printk(" %02x", *(skb->data + ii)); // printk(" %02x", *(skb->data + ii));
// printk("\n"); // printk("\n");
// } // }
} }
skb->data += cbHeaderOffset; skb->data += cbHeaderOffset;
skb->tail += cbHeaderOffset; skb->tail += cbHeaderOffset;
skb_put(skb, FrameSize); skb_put(skb, FrameSize);
skb->protocol=eth_type_trans(skb, skb->dev); skb->protocol = eth_type_trans(skb, skb->dev);
//drop frame not met IEEE 802.3 //drop frame not met IEEE 802.3
/* /*
if (pDevice->flags & DEVICE_FLAGS_VAL_PKT_LEN) { if (pDevice->flags & DEVICE_FLAGS_VAL_PKT_LEN) {
if ((skb->protocol==htons(ETH_P_802_3)) && if ((skb->protocol==htons(ETH_P_802_3)) &&
(skb->len!=htons(skb->mac.ethernet->h_proto))) { (skb->len!=htons(skb->mac.ethernet->h_proto))) {
pStats->rx_length_errors++; pStats->rx_length_errors++;
pStats->rx_dropped++; pStats->rx_dropped++;
if (bDeFragRx) { if (bDeFragRx) {
if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { 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", DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
pDevice->dev->name); pDevice->dev->name);
} }
} }
return false; return false;
} }
} }
*/ */
skb->ip_summed=CHECKSUM_NONE; skb->ip_summed = CHECKSUM_NONE;
pStats->rx_bytes +=skb->len; pStats->rx_bytes += skb->len;
pStats->rx_packets++; pStats->rx_packets++;
netif_rx(skb); netif_rx(skb);
if (bDeFragRx) { if (bDeFragRx) {
if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { 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", DBG_PRT(MSG_LEVEL_ERR, KERN_ERR "%s: can not alloc more frag bufs\n",
pDevice->dev->name); pDevice->dev->name);
} }
return false; return false;
} }
return true; return true;
} }
static bool s_bAPModeRxCtl ( static bool s_bAPModeRxCtl(
PSDevice pDevice, PSDevice pDevice,
unsigned char *pbyFrame, unsigned char *pbyFrame,
int iSANodeIndex int iSANodeIndex
) )
{ {
PS802_11Header p802_11Header; PS802_11Header p802_11Header;
CMD_STATUS Status; CMD_STATUS Status;
PSMgmtObject pMgmt = pDevice->pMgmt; PSMgmtObject pMgmt = pDevice->pMgmt;
if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) { if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) {
p802_11Header = (PS802_11Header) (pbyFrame); p802_11Header = (PS802_11Header)(pbyFrame);
if (!IS_TYPE_MGMT(pbyFrame)) { if (!IS_TYPE_MGMT(pbyFrame)) {
// Data & PS-Poll packet // Data & PS-Poll packet
// check frame class // check frame class
if (iSANodeIndex > 0) { if (iSANodeIndex > 0) {
// frame class 3 fliter & checking // frame class 3 fliter & checking
if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_AUTH) { if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_AUTH) {
// send deauth notification // send deauth notification
// reason = (6) class 2 received from nonauth sta // reason = (6) class 2 received from nonauth sta
vMgrDeAuthenBeginSta(pDevice, vMgrDeAuthenBeginSta(pDevice,
pMgmt, pMgmt,
(unsigned char *)(p802_11Header->abyAddr2), (unsigned char *)(p802_11Header->abyAddr2),
(WLAN_MGMT_REASON_CLASS2_NONAUTH), (WLAN_MGMT_REASON_CLASS2_NONAUTH),
&Status &Status
); );
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 1\n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 1\n");
return true; return true;
} }
if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_ASSOC) { if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_ASSOC) {
// send deassoc notification // send deassoc notification
// reason = (7) class 3 received from nonassoc sta // reason = (7) class 3 received from nonassoc sta
vMgrDisassocBeginSta(pDevice, vMgrDisassocBeginSta(pDevice,
pMgmt, pMgmt,
(unsigned char *)(p802_11Header->abyAddr2), (unsigned char *)(p802_11Header->abyAddr2),
(WLAN_MGMT_REASON_CLASS3_NONASSOC), (WLAN_MGMT_REASON_CLASS3_NONASSOC),
&Status &Status
); );
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDisassocBeginSta 2\n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDisassocBeginSta 2\n");
return true; return true;
} }
if (pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable) { if (pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable) {
// delcare received ps-poll event // delcare received ps-poll event
if (IS_CTL_PSPOLL(pbyFrame)) { if (IS_CTL_PSPOLL(pbyFrame)) {
pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = true; pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = true;
bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL); bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 1\n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 1\n");
} }
else { else {
// check Data PS state // check Data PS state
// if PW bit off, send out all PS bufferring packets. // if PW bit off, send out all PS bufferring packets.
if (!IS_FC_POWERMGT(pbyFrame)) { if (!IS_FC_POWERMGT(pbyFrame)) {
pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = false; pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = false;
pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = true; pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = true;
bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL); bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 2\n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 2\n");
} }
} }
} }
else { else {
if (IS_FC_POWERMGT(pbyFrame)) { if (IS_FC_POWERMGT(pbyFrame)) {
pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = true; pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = true;
// Once if STA in PS state, enable multicast bufferring // Once if STA in PS state, enable multicast bufferring
pMgmt->sNodeDBTable[0].bPSEnable = true; pMgmt->sNodeDBTable[0].bPSEnable = true;
} }
else { else {
// clear all pending PS frame. // clear all pending PS frame.
if (pMgmt->sNodeDBTable[iSANodeIndex].wEnQueueCnt > 0) { if (pMgmt->sNodeDBTable[iSANodeIndex].wEnQueueCnt > 0) {
pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = false; pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = false;
pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = true; pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = true;
bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL); bScheduleCommand((void *)pDevice, WLAN_CMD_RX_PSPOLL, NULL);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 3\n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 3\n");
} }
} }
} }
} }
else { else {
vMgrDeAuthenBeginSta(pDevice, vMgrDeAuthenBeginSta(pDevice,
pMgmt, pMgmt,
(unsigned char *)(p802_11Header->abyAddr2), (unsigned char *)(p802_11Header->abyAddr2),
(WLAN_MGMT_REASON_CLASS2_NONAUTH), (WLAN_MGMT_REASON_CLASS2_NONAUTH),
&Status &Status
); );
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 3\n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 3\n");
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSSID:%pM\n", DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSSID:%pM\n",
p802_11Header->abyAddr3); p802_11Header->abyAddr3);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR2:%pM\n", DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR2:%pM\n",
p802_11Header->abyAddr2); p802_11Header->abyAddr2);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR1:%pM\n", DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR1:%pM\n",
p802_11Header->abyAddr1); p802_11Header->abyAddr1);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: wFrameCtl= %x\n", p802_11Header->wFrameCtl ); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: wFrameCtl= %x\n", p802_11Header->wFrameCtl);
VNSvInPortB(pDevice->PortOffset + MAC_REG_RCR, &(pDevice->byRxMode)); VNSvInPortB(pDevice->PortOffset + MAC_REG_RCR, &(pDevice->byRxMode));
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc:pDevice->byRxMode = %x\n", pDevice->byRxMode ); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc:pDevice->byRxMode = %x\n", pDevice->byRxMode);
return true; return true;
} }
} }
} }
return false; return false;
} }
static bool s_bHandleRxEncryption ( static bool s_bHandleRxEncryption(
PSDevice pDevice, PSDevice pDevice,
unsigned char *pbyFrame, unsigned char *pbyFrame,
unsigned int FrameSize, unsigned int FrameSize,
unsigned char *pbyRsr, unsigned char *pbyRsr,
unsigned char *pbyNewRsr, unsigned char *pbyNewRsr,
PSKeyItem *pKeyOut, PSKeyItem *pKeyOut,
bool *pbExtIV, bool *pbExtIV,
unsigned short *pwRxTSC15_0, unsigned short *pwRxTSC15_0,
unsigned long *pdwRxTSC47_16 unsigned long *pdwRxTSC47_16
) )
{ {
unsigned int PayloadLen = FrameSize; unsigned int PayloadLen = FrameSize;
unsigned char *pbyIV; unsigned char *pbyIV;
unsigned char byKeyIdx; unsigned char byKeyIdx;
PSKeyItem pKey = NULL; PSKeyItem pKey = NULL;
unsigned char byDecMode = KEY_CTL_WEP; unsigned char byDecMode = KEY_CTL_WEP;
PSMgmtObject pMgmt = pDevice->pMgmt; PSMgmtObject pMgmt = pDevice->pMgmt;
*pwRxTSC15_0 = 0; *pwRxTSC15_0 = 0;
*pdwRxTSC47_16 = 0; *pdwRxTSC47_16 = 0;
pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN; pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
if ( WLAN_GET_FC_TODS(*(unsigned short *)pbyFrame) && if (WLAN_GET_FC_TODS(*(unsigned short *)pbyFrame) &&
WLAN_GET_FC_FROMDS(*(unsigned short *)pbyFrame) ) { WLAN_GET_FC_FROMDS(*(unsigned short *)pbyFrame)) {
pbyIV += 6; // 6 is 802.11 address4 pbyIV += 6; // 6 is 802.11 address4
PayloadLen -= 6; PayloadLen -= 6;
} }
byKeyIdx = (*(pbyIV+3) & 0xc0); byKeyIdx = (*(pbyIV+3) & 0xc0);
byKeyIdx >>= 6; byKeyIdx >>= 6;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\nKeyIdx: %d\n", byKeyIdx); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "\nKeyIdx: %d\n", byKeyIdx);
if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA) || if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
(pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) || (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) ||
(pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) || (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) ||
(pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || (pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
(pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) { (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
if (((*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) && if (((*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) &&
(pDevice->pMgmt->byCSSPK != KEY_CTL_NONE)) { (pDevice->pMgmt->byCSSPK != KEY_CTL_NONE)) {
// unicast pkt use pairwise key // unicast pkt use pairwise key
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"unicast pkt\n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "unicast pkt\n");
if (KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, 0xFFFFFFFF, &pKey) == true) { if (KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, 0xFFFFFFFF, &pKey) == true) {
if (pDevice->pMgmt->byCSSPK == KEY_CTL_TKIP) if (pDevice->pMgmt->byCSSPK == KEY_CTL_TKIP)
byDecMode = KEY_CTL_TKIP; byDecMode = KEY_CTL_TKIP;
else if (pDevice->pMgmt->byCSSPK == KEY_CTL_CCMP) else if (pDevice->pMgmt->byCSSPK == KEY_CTL_CCMP)
byDecMode = KEY_CTL_CCMP; byDecMode = KEY_CTL_CCMP;
} }
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"unicast pkt: %d, %p\n", byDecMode, pKey); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "unicast pkt: %d, %p\n", byDecMode, pKey);
} else { } else {
// use group key // use group key
KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, byKeyIdx, &pKey); KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, byKeyIdx, &pKey);
if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP) if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
byDecMode = KEY_CTL_TKIP; byDecMode = KEY_CTL_TKIP;
else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP) else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP)
byDecMode = KEY_CTL_CCMP; byDecMode = KEY_CTL_CCMP;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"group pkt: %d, %d, %p\n", byKeyIdx, byDecMode, pKey); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "group pkt: %d, %d, %p\n", byKeyIdx, byDecMode, pKey);
} }
} }
// our WEP only support Default Key // our WEP only support Default Key
if (pKey == NULL) { if (pKey == NULL) {
// use default group key // use default group key
KeybGetKey(&(pDevice->sKey), pDevice->abyBroadcastAddr, byKeyIdx, &pKey); KeybGetKey(&(pDevice->sKey), pDevice->abyBroadcastAddr, byKeyIdx, &pKey);
if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP) if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
byDecMode = KEY_CTL_TKIP; byDecMode = KEY_CTL_TKIP;
else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP) else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP)
byDecMode = KEY_CTL_CCMP; byDecMode = KEY_CTL_CCMP;
} }
*pKeyOut = pKey; *pKeyOut = pKey;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"AES:%d %d %d\n", pDevice->pMgmt->byCSSPK, pDevice->pMgmt->byCSSGK, byDecMode); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "AES:%d %d %d\n", pDevice->pMgmt->byCSSPK, pDevice->pMgmt->byCSSGK, byDecMode);
if (pKey == NULL) { if (pKey == NULL) {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey == NULL\n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pKey == NULL\n");
if (byDecMode == KEY_CTL_WEP) { if (byDecMode == KEY_CTL_WEP) {
// pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++; // pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++;
} else if (pDevice->bLinkPass == true) { } else if (pDevice->bLinkPass == true) {
// pDevice->s802_11Counter.DecryptFailureCount.QuadPart++; // pDevice->s802_11Counter.DecryptFailureCount.QuadPart++;
} }
return false; return false;
} }
if (byDecMode != pKey->byCipherSuite) { if (byDecMode != pKey->byCipherSuite) {
if (byDecMode == KEY_CTL_WEP) { if (byDecMode == KEY_CTL_WEP) {
// pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++; // pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++;
} else if (pDevice->bLinkPass == true) { } else if (pDevice->bLinkPass == true) {
// pDevice->s802_11Counter.DecryptFailureCount.QuadPart++; // pDevice->s802_11Counter.DecryptFailureCount.QuadPart++;
} }
*pKeyOut = NULL; *pKeyOut = NULL;
return false; return false;
} }
if (byDecMode == KEY_CTL_WEP) { if (byDecMode == KEY_CTL_WEP) {
// handle WEP // handle WEP
if ((pDevice->byLocalID <= REV_ID_VT3253_A1) || if ((pDevice->byLocalID <= REV_ID_VT3253_A1) ||
(((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == true)) { (((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == true)) {
// Software WEP // Software WEP
// 1. 3253A // 1. 3253A
// 2. WEP 256 // 2. WEP 256
PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc 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, pbyIV, 3);
memcpy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength); memcpy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength);
rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3); rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3);
rc4_encrypt(&pDevice->SBox, pbyIV+4, pbyIV+4, PayloadLen); rc4_encrypt(&pDevice->SBox, pbyIV+4, pbyIV+4, PayloadLen);
if (ETHbIsBufferCrc32Ok(pbyIV+4, PayloadLen)) { if (ETHbIsBufferCrc32Ok(pbyIV+4, PayloadLen)) {
*pbyNewRsr |= NEWRSR_DECRYPTOK; *pbyNewRsr |= NEWRSR_DECRYPTOK;
} }
} }
} else if ((byDecMode == KEY_CTL_TKIP) || } else if ((byDecMode == KEY_CTL_TKIP) ||
(byDecMode == KEY_CTL_CCMP)) { (byDecMode == KEY_CTL_CCMP)) {
// TKIP/AES // TKIP/AES
PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc 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)); *pdwRxTSC47_16 = cpu_to_le32(*(unsigned long *)(pbyIV + 4));
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %lx\n",*pdwRxTSC47_16); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ExtIV: %lx\n", *pdwRxTSC47_16);
if (byDecMode == KEY_CTL_TKIP) { if (byDecMode == KEY_CTL_TKIP) {
*pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV)); *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV + 2), *pbyIV));
} else { } else {
*pwRxTSC15_0 = cpu_to_le16(*(unsigned short *)pbyIV); *pwRxTSC15_0 = cpu_to_le16(*(unsigned short *)pbyIV);
} }
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC0_15: %x\n", *pwRxTSC15_0); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "TSC0_15: %x\n", *pwRxTSC15_0);
if ((byDecMode == KEY_CTL_TKIP) && if ((byDecMode == KEY_CTL_TKIP) &&
(pDevice->byLocalID <= REV_ID_VT3253_A1)) { (pDevice->byLocalID <= REV_ID_VT3253_A1)) {
// Software TKIP // Software TKIP
// 1. 3253 A // 1. 3253 A
PS802_11Header pMACHeader = (PS802_11Header) (pbyFrame); PS802_11Header pMACHeader = (PS802_11Header)(pbyFrame);
TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG); TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG);
rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN); rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN);
rc4_encrypt(&pDevice->SBox, pbyIV+8, pbyIV+8, PayloadLen); rc4_encrypt(&pDevice->SBox, pbyIV+8, pbyIV+8, PayloadLen);
if (ETHbIsBufferCrc32Ok(pbyIV+8, PayloadLen)) { if (ETHbIsBufferCrc32Ok(pbyIV+8, PayloadLen)) {
*pbyNewRsr |= NEWRSR_DECRYPTOK; *pbyNewRsr |= NEWRSR_DECRYPTOK;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV OK!\n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ICV OK!\n");
} else { } else {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV FAIL!!!\n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ICV FAIL!!!\n");
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PayloadLen = %d\n", PayloadLen); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "PayloadLen = %d\n", PayloadLen);
} }
} }
}// end of TKIP/AES }// end of TKIP/AES
if ((*(pbyIV+3) & 0x20) != 0) if ((*(pbyIV+3) & 0x20) != 0)
*pbExtIV = true; *pbExtIV = true;
return true; return true;
} }
static bool s_bHostWepRxEncryption ( static bool s_bHostWepRxEncryption(
PSDevice pDevice, PSDevice pDevice,
unsigned char *pbyFrame, unsigned char *pbyFrame,
unsigned int FrameSize, unsigned int FrameSize,
unsigned char *pbyRsr, unsigned char *pbyRsr,
bool bOnFly, bool bOnFly,
PSKeyItem pKey, PSKeyItem pKey,
unsigned char *pbyNewRsr, unsigned char *pbyNewRsr,
bool *pbExtIV, bool *pbExtIV,
unsigned short *pwRxTSC15_0, unsigned short *pwRxTSC15_0,
unsigned long *pdwRxTSC47_16 unsigned long *pdwRxTSC47_16
) )
{ {
unsigned int PayloadLen = FrameSize; unsigned int PayloadLen = FrameSize;
unsigned char *pbyIV; unsigned char *pbyIV;
unsigned char byKeyIdx; unsigned char byKeyIdx;
unsigned char byDecMode = KEY_CTL_WEP; unsigned char byDecMode = KEY_CTL_WEP;
PS802_11Header pMACHeader; PS802_11Header pMACHeader;
*pwRxTSC15_0 = 0; *pwRxTSC15_0 = 0;
*pdwRxTSC47_16 = 0; *pdwRxTSC47_16 = 0;
pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN; pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
if ( WLAN_GET_FC_TODS(*(unsigned short *)pbyFrame) && if (WLAN_GET_FC_TODS(*(unsigned short *)pbyFrame) &&
WLAN_GET_FC_FROMDS(*(unsigned short *)pbyFrame) ) { WLAN_GET_FC_FROMDS(*(unsigned short *)pbyFrame)) {
pbyIV += 6; // 6 is 802.11 address4 pbyIV += 6; // 6 is 802.11 address4
PayloadLen -= 6; PayloadLen -= 6;
} }
byKeyIdx = (*(pbyIV+3) & 0xc0); byKeyIdx = (*(pbyIV+3) & 0xc0);
byKeyIdx >>= 6; byKeyIdx >>= 6;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\nKeyIdx: %d\n", byKeyIdx); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "\nKeyIdx: %d\n", byKeyIdx);
if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP) if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP)
byDecMode = KEY_CTL_TKIP; byDecMode = KEY_CTL_TKIP;
else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP) else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP)
byDecMode = 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); 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 != pKey->byCipherSuite) {
if (byDecMode == KEY_CTL_WEP) { if (byDecMode == KEY_CTL_WEP) {
// pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++; // pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++;
} else if (pDevice->bLinkPass == true) { } else if (pDevice->bLinkPass == true) {
// pDevice->s802_11Counter.DecryptFailureCount.QuadPart++; // pDevice->s802_11Counter.DecryptFailureCount.QuadPart++;
} }
return false; return false;
} }
if (byDecMode == KEY_CTL_WEP) { if (byDecMode == KEY_CTL_WEP) {
// handle WEP // handle WEP
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"byDecMode == KEY_CTL_WEP \n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "byDecMode == KEY_CTL_WEP \n");
if ((pDevice->byLocalID <= REV_ID_VT3253_A1) || if ((pDevice->byLocalID <= REV_ID_VT3253_A1) ||
(((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == true) || (((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == true) ||
(bOnFly == false)) { (bOnFly == false)) {
// Software WEP // Software WEP
// 1. 3253A // 1. 3253A
// 2. WEP 256 // 2. WEP 256
// 3. NotOnFly // 3. NotOnFly
PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc 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, pbyIV, 3);
memcpy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength); memcpy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength);
rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3); rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3);
rc4_encrypt(&pDevice->SBox, pbyIV+4, pbyIV+4, PayloadLen); rc4_encrypt(&pDevice->SBox, pbyIV+4, pbyIV+4, PayloadLen);
if (ETHbIsBufferCrc32Ok(pbyIV+4, PayloadLen)) { if (ETHbIsBufferCrc32Ok(pbyIV+4, PayloadLen)) {
*pbyNewRsr |= NEWRSR_DECRYPTOK; *pbyNewRsr |= NEWRSR_DECRYPTOK;
} }
} }
} else if ((byDecMode == KEY_CTL_TKIP) || } else if ((byDecMode == KEY_CTL_TKIP) ||
(byDecMode == KEY_CTL_CCMP)) { (byDecMode == KEY_CTL_CCMP)) {
// TKIP/AES // TKIP/AES
PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc 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)); *pdwRxTSC47_16 = cpu_to_le32(*(unsigned long *)(pbyIV + 4));
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %lx\n",*pdwRxTSC47_16); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ExtIV: %lx\n", *pdwRxTSC47_16);
if (byDecMode == KEY_CTL_TKIP) { if (byDecMode == KEY_CTL_TKIP) {
*pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV)); *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV));
} else { } else {
*pwRxTSC15_0 = cpu_to_le16(*(unsigned short *)pbyIV); *pwRxTSC15_0 = cpu_to_le16(*(unsigned short *)pbyIV);
} }
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC0_15: %x\n", *pwRxTSC15_0); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "TSC0_15: %x\n", *pwRxTSC15_0);
if (byDecMode == KEY_CTL_TKIP) { if (byDecMode == KEY_CTL_TKIP) {
if ((pDevice->byLocalID <= REV_ID_VT3253_A1) || (bOnFly == false)) { if ((pDevice->byLocalID <= REV_ID_VT3253_A1) || (bOnFly == false)) {
// Software TKIP // Software TKIP
// 1. 3253 A // 1. 3253 A
// 2. NotOnFly // 2. NotOnFly
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"soft KEY_CTL_TKIP \n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "soft KEY_CTL_TKIP \n");
pMACHeader = (PS802_11Header) (pbyFrame); pMACHeader = (PS802_11Header)(pbyFrame);
TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG); TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG);
rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN); rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN);
rc4_encrypt(&pDevice->SBox, pbyIV+8, pbyIV+8, PayloadLen); rc4_encrypt(&pDevice->SBox, pbyIV+8, pbyIV+8, PayloadLen);
if (ETHbIsBufferCrc32Ok(pbyIV+8, PayloadLen)) { if (ETHbIsBufferCrc32Ok(pbyIV+8, PayloadLen)) {
*pbyNewRsr |= NEWRSR_DECRYPTOK; *pbyNewRsr |= NEWRSR_DECRYPTOK;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV OK!\n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ICV OK!\n");
} else { } else {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV FAIL!!!\n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ICV FAIL!!!\n");
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PayloadLen = %d\n", PayloadLen); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "PayloadLen = %d\n", PayloadLen);
} }
} }
} }
if (byDecMode == KEY_CTL_CCMP) { if (byDecMode == KEY_CTL_CCMP) {
if (bOnFly == false) { if (bOnFly == false) {
// Software CCMP // Software CCMP
// NotOnFly // NotOnFly
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"soft KEY_CTL_CCMP\n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "soft KEY_CTL_CCMP\n");
if (AESbGenCCMP(pKey->abyKey, pbyFrame, FrameSize)) { if (AESbGenCCMP(pKey->abyKey, pbyFrame, FrameSize)) {
*pbyNewRsr |= NEWRSR_DECRYPTOK; *pbyNewRsr |= NEWRSR_DECRYPTOK;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"CCMP MIC compare OK!\n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "CCMP MIC compare OK!\n");
} else { } else {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"CCMP MIC fail!\n"); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "CCMP MIC fail!\n");
} }
} }
} }
}// end of TKIP/AES }// end of TKIP/AES
if ((*(pbyIV+3) & 0x20) != 0) if ((*(pbyIV+3) & 0x20) != 0)
*pbExtIV = true; *pbExtIV = true;
return true; return true;
} }
static bool s_bAPModeRxData ( static bool s_bAPModeRxData(
PSDevice pDevice, PSDevice pDevice,
struct sk_buff* skb, struct sk_buff *skb,
unsigned int FrameSize, unsigned int FrameSize,
unsigned int cbHeaderOffset, unsigned int cbHeaderOffset,
int iSANodeIndex, int iSANodeIndex,
int iDANodeIndex int iDANodeIndex
) )
{ {
PSMgmtObject pMgmt = pDevice->pMgmt; PSMgmtObject pMgmt = pDevice->pMgmt;
bool bRelayAndForward = false; bool bRelayAndForward = false;
bool bRelayOnly = false; bool bRelayOnly = false;
unsigned char byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80}; unsigned char byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
unsigned short wAID; unsigned short wAID;
struct sk_buff* skbcpy = NULL; struct sk_buff *skbcpy = NULL;
if (FrameSize > CB_MAX_BUF_SIZE) if (FrameSize > CB_MAX_BUF_SIZE)
return false; return false;
// check DA // check DA
if(is_multicast_ether_addr((unsigned char *)(skb->data+cbHeaderOffset))) { if (is_multicast_ether_addr((unsigned char *)(skb->data+cbHeaderOffset))) {
if (pMgmt->sNodeDBTable[0].bPSEnable) { if (pMgmt->sNodeDBTable[0].bPSEnable) {
skbcpy = dev_alloc_skb((int)pDevice->rx_buf_sz); skbcpy = dev_alloc_skb((int)pDevice->rx_buf_sz);
// if any node in PS mode, buffer packet until DTIM. // if any node in PS mode, buffer packet until DTIM.
if (skbcpy == NULL) { if (skbcpy == NULL) {
DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "relay multicast no skb available \n"); DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "relay multicast no skb available \n");
} }
else { else {
skbcpy->dev = pDevice->dev; skbcpy->dev = pDevice->dev;
skbcpy->len = FrameSize; skbcpy->len = FrameSize;
memcpy(skbcpy->data, skb->data+cbHeaderOffset, FrameSize); memcpy(skbcpy->data, skb->data+cbHeaderOffset, FrameSize);
skb_queue_tail(&(pMgmt->sNodeDBTable[0].sTxPSQueue), skbcpy); skb_queue_tail(&(pMgmt->sNodeDBTable[0].sTxPSQueue), skbcpy);
pMgmt->sNodeDBTable[0].wEnQueueCnt++; pMgmt->sNodeDBTable[0].wEnQueueCnt++;
// set tx map // set tx map
pMgmt->abyPSTxMap[0] |= byMask[0]; pMgmt->abyPSTxMap[0] |= byMask[0];
} }
} }
else { else {
bRelayAndForward = true; bRelayAndForward = true;
} }
} }
else { else {
// check if relay // check if relay
if (BSSDBbIsSTAInNodeDB(pMgmt, (unsigned char *)(skb->data+cbHeaderOffset), &iDANodeIndex)) { if (BSSDBbIsSTAInNodeDB(pMgmt, (unsigned char *)(skb->data+cbHeaderOffset), &iDANodeIndex)) {
if (pMgmt->sNodeDBTable[iDANodeIndex].eNodeState >= NODE_ASSOC) { if (pMgmt->sNodeDBTable[iDANodeIndex].eNodeState >= NODE_ASSOC) {
if (pMgmt->sNodeDBTable[iDANodeIndex].bPSEnable) { if (pMgmt->sNodeDBTable[iDANodeIndex].bPSEnable) {
// queue this skb until next PS tx, and then release. // queue this skb until next PS tx, and then release.
skb->data += cbHeaderOffset; skb->data += cbHeaderOffset;
skb->tail += cbHeaderOffset; skb->tail += cbHeaderOffset;
skb_put(skb, FrameSize); skb_put(skb, FrameSize);
skb_queue_tail(&pMgmt->sNodeDBTable[iDANodeIndex].sTxPSQueue, skb); skb_queue_tail(&pMgmt->sNodeDBTable[iDANodeIndex].sTxPSQueue, skb);
pMgmt->sNodeDBTable[iDANodeIndex].wEnQueueCnt++; pMgmt->sNodeDBTable[iDANodeIndex].wEnQueueCnt++;
wAID = pMgmt->sNodeDBTable[iDANodeIndex].wAID; wAID = pMgmt->sNodeDBTable[iDANodeIndex].wAID;
pMgmt->abyPSTxMap[wAID >> 3] |= byMask[wAID & 7]; pMgmt->abyPSTxMap[wAID >> 3] |= byMask[wAID & 7];
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "relay: index= %d, pMgmt->abyPSTxMap[%d]= %d\n", DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "relay: index= %d, pMgmt->abyPSTxMap[%d]= %d\n",
iDANodeIndex, (wAID >> 3), pMgmt->abyPSTxMap[wAID >> 3]); iDANodeIndex, (wAID >> 3), pMgmt->abyPSTxMap[wAID >> 3]);
return true; return true;
} }
else { else {
bRelayOnly = true; bRelayOnly = true;
} }
} }
} }
} }
if (bRelayOnly || bRelayAndForward) { if (bRelayOnly || bRelayAndForward) {
// relay this packet right now // relay this packet right now
if (bRelayAndForward) if (bRelayAndForward)
iDANodeIndex = 0; iDANodeIndex = 0;
if ((pDevice->uAssocCount > 1) && (iDANodeIndex >= 0)) { if ((pDevice->uAssocCount > 1) && (iDANodeIndex >= 0)) {
ROUTEbRelay(pDevice, (unsigned char *)(skb->data + cbHeaderOffset), FrameSize, (unsigned int)iDANodeIndex); ROUTEbRelay(pDevice, (unsigned char *)(skb->data + cbHeaderOffset), FrameSize, (unsigned int)iDANodeIndex);
} }
if (bRelayOnly) if (bRelayOnly)
return false; return false;
} }
// none associate, don't forward // none associate, don't forward
if (pDevice->uAssocCount == 0) if (pDevice->uAssocCount == 0)
return false; return false;
return true; return true;
} }
drivers/staging/vt6655/dpc.h
View file @ 22c5291e
...@@ -42,10 +42,10 @@ ...@@ -42,10 +42,10 @@
/*--------------------- Export Functions --------------------------*/ /*--------------------- Export Functions --------------------------*/
bool bool
device_receive_frame ( device_receive_frame(
PSDevice pDevice, PSDevice pDevice,
PSRxDesc pCurrRD PSRxDesc pCurrRD
); );
void MngWorkItem(void *Context); void MngWorkItem(void *Context);
......
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