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path: root/drivers/staging/vt6655/wroute.c
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Diffstat (limited to 'drivers/staging/vt6655/wroute.c')
-rw-r--r--drivers/staging/vt6655/wroute.c257
1 files changed, 124 insertions, 133 deletions
diff --git a/drivers/staging/vt6655/wroute.c b/drivers/staging/vt6655/wroute.c
index 82e93cb82053..b61328fbee87 100644
--- a/drivers/staging/vt6655/wroute.c
+++ b/drivers/staging/vt6655/wroute.c
@@ -43,14 +43,12 @@
/*--------------------- Static Classes ----------------------------*/
/*--------------------- Static Variables --------------------------*/
-static int msglevel =MSG_LEVEL_INFO;
+static int msglevel = MSG_LEVEL_INFO;
//static int msglevel =MSG_LEVEL_DEBUG;
/*--------------------- Static Functions --------------------------*/
/*--------------------- Export Variables --------------------------*/
-
-
/*
* Description:
* Relay packet. Return true if packet is copy to DMA1
@@ -65,135 +63,128 @@ static int msglevel =MSG_LEVEL_INFO;
* Return Value: true if packet duplicate; otherwise false
*
*/
-bool ROUTEbRelay (PSDevice pDevice, unsigned char *pbySkbData, unsigned int uDataLen, unsigned int uNodeIndex)
+bool ROUTEbRelay(PSDevice pDevice, unsigned char *pbySkbData, unsigned int uDataLen, unsigned int uNodeIndex)
{
- PSMgmtObject pMgmt = pDevice->pMgmt;
- PSTxDesc pHeadTD, pLastTD;
- unsigned int cbFrameBodySize;
- unsigned int uMACfragNum;
- unsigned char byPktType;
- bool bNeedEncryption = false;
- SKeyItem STempKey;
- PSKeyItem pTransmitKey = NULL;
- unsigned int cbHeaderSize;
- unsigned int ii;
- unsigned char *pbyBSSID;
-
-
-
-
- if (AVAIL_TD(pDevice, TYPE_AC0DMA)<=0) {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Relay can't allocate TD1..\n");
- return false;
- }
-
- pHeadTD = pDevice->apCurrTD[TYPE_AC0DMA];
-
- pHeadTD->m_td1TD1.byTCR = (TCR_EDP|TCR_STP);
-
- memcpy(pDevice->sTxEthHeader.abyDstAddr, (unsigned char *)pbySkbData, ETH_HLEN);
-
- cbFrameBodySize = uDataLen - ETH_HLEN;
-
- if (ntohs(pDevice->sTxEthHeader.wType) > ETH_DATA_LEN) {
- cbFrameBodySize += 8;
- }
-
- if (pDevice->bEncryptionEnable == true) {
- bNeedEncryption = true;
-
- // get group key
- pbyBSSID = pDevice->abyBroadcastAddr;
- if(KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, GROUP_KEY, &pTransmitKey) == false) {
- pTransmitKey = NULL;
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"KEY is NULL. [%d]\n", pDevice->pMgmt->eCurrMode);
- } else {
- DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"Get GTK.\n");
- }
- }
-
- if (pDevice->bEnableHostWEP) {
- if (uNodeIndex < MAX_NODE_NUM + 1) {
- pTransmitKey = &STempKey;
- pTransmitKey->byCipherSuite = pMgmt->sNodeDBTable[uNodeIndex].byCipherSuite;
- pTransmitKey->dwKeyIndex = pMgmt->sNodeDBTable[uNodeIndex].dwKeyIndex;
- pTransmitKey->uKeyLength = pMgmt->sNodeDBTable[uNodeIndex].uWepKeyLength;
- pTransmitKey->dwTSC47_16 = pMgmt->sNodeDBTable[uNodeIndex].dwTSC47_16;
- pTransmitKey->wTSC15_0 = pMgmt->sNodeDBTable[uNodeIndex].wTSC15_0;
- memcpy(pTransmitKey->abyKey,
- &pMgmt->sNodeDBTable[uNodeIndex].abyWepKey[0],
- pTransmitKey->uKeyLength
- );
- }
- }
-
- uMACfragNum = cbGetFragCount(pDevice, pTransmitKey, cbFrameBodySize, &pDevice->sTxEthHeader);
-
- if (uMACfragNum > AVAIL_TD(pDevice,TYPE_AC0DMA)) {
- return false;
- }
- byPktType = (unsigned char)pDevice->byPacketType;
-
- if (pDevice->bFixRate) {
- if (pDevice->eCurrentPHYType == PHY_TYPE_11B) {
- if (pDevice->uConnectionRate >= RATE_11M) {
- pDevice->wCurrentRate = RATE_11M;
- } else {
- pDevice->wCurrentRate = (unsigned short)pDevice->uConnectionRate;
- }
- } else {
- if ((pDevice->eCurrentPHYType == PHY_TYPE_11A) &&
- (pDevice->uConnectionRate <= RATE_6M)) {
- pDevice->wCurrentRate = RATE_6M;
- } else {
- if (pDevice->uConnectionRate >= RATE_54M)
- pDevice->wCurrentRate = RATE_54M;
- else
- pDevice->wCurrentRate = (unsigned short)pDevice->uConnectionRate;
- }
- }
- }
- else {
- pDevice->wCurrentRate = pDevice->pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate;
- }
-
- if (pDevice->wCurrentRate <= RATE_11M)
- byPktType = PK_TYPE_11B;
-
- vGenerateFIFOHeader(pDevice, byPktType, pDevice->pbyTmpBuff, bNeedEncryption,
- cbFrameBodySize, TYPE_AC0DMA, pHeadTD,
- &pDevice->sTxEthHeader, pbySkbData, pTransmitKey, uNodeIndex,
- &uMACfragNum,
- &cbHeaderSize
- );
-
- if (MACbIsRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_PS)) {
- // Disable PS
- MACbPSWakeup(pDevice->PortOffset);
- }
-
- pDevice->bPWBitOn = false;
-
- pLastTD = pHeadTD;
- for (ii = 0; ii < uMACfragNum; ii++) {
- // Poll Transmit the adapter
- wmb();
- pHeadTD->m_td0TD0.f1Owner=OWNED_BY_NIC;
- wmb();
- if (ii == (uMACfragNum - 1))
- pLastTD = pHeadTD;
- pHeadTD = pHeadTD->next;
- }
-
- pLastTD->pTDInfo->skb = 0;
- pLastTD->pTDInfo->byFlags = 0;
-
- pDevice->apCurrTD[TYPE_AC0DMA] = pHeadTD;
-
- MACvTransmitAC0(pDevice->PortOffset);
-
- return true;
+ PSMgmtObject pMgmt = pDevice->pMgmt;
+ PSTxDesc pHeadTD, pLastTD;
+ unsigned int cbFrameBodySize;
+ unsigned int uMACfragNum;
+ unsigned char byPktType;
+ bool bNeedEncryption = false;
+ SKeyItem STempKey;
+ PSKeyItem pTransmitKey = NULL;
+ unsigned int cbHeaderSize;
+ unsigned int ii;
+ unsigned char *pbyBSSID;
+
+ if (AVAIL_TD(pDevice, TYPE_AC0DMA) <= 0) {
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Relay can't allocate TD1..\n");
+ return false;
+ }
+
+ pHeadTD = pDevice->apCurrTD[TYPE_AC0DMA];
+
+ pHeadTD->m_td1TD1.byTCR = (TCR_EDP | TCR_STP);
+
+ memcpy(pDevice->sTxEthHeader.abyDstAddr, (unsigned char *)pbySkbData, ETH_HLEN);
+
+ cbFrameBodySize = uDataLen - ETH_HLEN;
+
+ if (ntohs(pDevice->sTxEthHeader.wType) > ETH_DATA_LEN) {
+ cbFrameBodySize += 8;
+ }
+
+ if (pDevice->bEncryptionEnable == true) {
+ bNeedEncryption = true;
+
+ // get group key
+ pbyBSSID = pDevice->abyBroadcastAddr;
+ if (KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, GROUP_KEY, &pTransmitKey) == false) {
+ pTransmitKey = NULL;
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG "KEY is NULL. [%d]\n", pDevice->pMgmt->eCurrMode);
+ } else {
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG "Get GTK.\n");
+ }
+ }
+
+ if (pDevice->bEnableHostWEP) {
+ if (uNodeIndex < MAX_NODE_NUM + 1) {
+ pTransmitKey = &STempKey;
+ pTransmitKey->byCipherSuite = pMgmt->sNodeDBTable[uNodeIndex].byCipherSuite;
+ pTransmitKey->dwKeyIndex = pMgmt->sNodeDBTable[uNodeIndex].dwKeyIndex;
+ pTransmitKey->uKeyLength = pMgmt->sNodeDBTable[uNodeIndex].uWepKeyLength;
+ pTransmitKey->dwTSC47_16 = pMgmt->sNodeDBTable[uNodeIndex].dwTSC47_16;
+ pTransmitKey->wTSC15_0 = pMgmt->sNodeDBTable[uNodeIndex].wTSC15_0;
+ memcpy(pTransmitKey->abyKey,
+ &pMgmt->sNodeDBTable[uNodeIndex].abyWepKey[0],
+ pTransmitKey->uKeyLength
+);
+ }
+ }
+
+ uMACfragNum = cbGetFragCount(pDevice, pTransmitKey, cbFrameBodySize, &pDevice->sTxEthHeader);
+
+ if (uMACfragNum > AVAIL_TD(pDevice, TYPE_AC0DMA)) {
+ return false;
+ }
+ byPktType = (unsigned char)pDevice->byPacketType;
+
+ if (pDevice->bFixRate) {
+ if (pDevice->eCurrentPHYType == PHY_TYPE_11B) {
+ if (pDevice->uConnectionRate >= RATE_11M) {
+ pDevice->wCurrentRate = RATE_11M;
+ } else {
+ pDevice->wCurrentRate = (unsigned short)pDevice->uConnectionRate;
+ }
+ } else {
+ if ((pDevice->eCurrentPHYType == PHY_TYPE_11A) &&
+ (pDevice->uConnectionRate <= RATE_6M)) {
+ pDevice->wCurrentRate = RATE_6M;
+ } else {
+ if (pDevice->uConnectionRate >= RATE_54M)
+ pDevice->wCurrentRate = RATE_54M;
+ else
+ pDevice->wCurrentRate = (unsigned short)pDevice->uConnectionRate;
+ }
+ }
+ } else {
+ pDevice->wCurrentRate = pDevice->pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate;
+ }
+
+ if (pDevice->wCurrentRate <= RATE_11M)
+ byPktType = PK_TYPE_11B;
+
+ vGenerateFIFOHeader(pDevice, byPktType, pDevice->pbyTmpBuff, bNeedEncryption,
+ cbFrameBodySize, TYPE_AC0DMA, pHeadTD,
+ &pDevice->sTxEthHeader, pbySkbData, pTransmitKey, uNodeIndex,
+ &uMACfragNum,
+ &cbHeaderSize
+);
+
+ if (MACbIsRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_PS)) {
+ // Disable PS
+ MACbPSWakeup(pDevice->PortOffset);
+ }
+
+ pDevice->bPWBitOn = false;
+
+ pLastTD = pHeadTD;
+ for (ii = 0; ii < uMACfragNum; ii++) {
+ // Poll Transmit the adapter
+ wmb();
+ pHeadTD->m_td0TD0.f1Owner = OWNED_BY_NIC;
+ wmb();
+ if (ii == (uMACfragNum - 1))
+ pLastTD = pHeadTD;
+ pHeadTD = pHeadTD->next;
+ }
+
+ pLastTD->pTDInfo->skb = 0;
+ pLastTD->pTDInfo->byFlags = 0;
+
+ pDevice->apCurrTD[TYPE_AC0DMA] = pHeadTD;
+
+ MACvTransmitAC0(pDevice->PortOffset);
+
+ return true;
}
-
-
-
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.