Covert to handle mac80211 sk_buff data removing fragmentation processing
via s_vFillFragParameter and calls to vGenerateMACHeader and s_vSWencryption
fragmentation is now handled by mac80211.
There is still more todos with this function when legacy net device code
have been remove from driver.
Signed-off-by: Malcolm Priestley <tvboxspy@xxxxxxxxx>
---
drivers/staging/vt6655/rxtx.c | 583 ++++--------------------------------------
1 file changed, 46 insertions(+), 537 deletions(-)
diff --git a/drivers/staging/vt6655/rxtx.c b/drivers/staging/vt6655/rxtx.c
index 99ce5a3..b114a60 100644
--- a/drivers/staging/vt6655/rxtx.c
+++ b/drivers/staging/vt6655/rxtx.c
@@ -144,7 +144,7 @@ s_vGenerateTxParameter(
unsigned int cbFrameSize,
bool bNeedACK,
unsigned int uDMAIdx,
- PSEthernetHeader psEthHeader,
+ void *psEthHeader,
unsigned short wCurrentRate
);
@@ -1176,7 +1176,7 @@ s_vGenerateTxParameter(
unsigned int cbFrameSize,
bool bNeedACK,
unsigned int uDMAIdx,
- PSEthernetHeader psEthHeader,
+ void *psEthHeader,
unsigned short wCurrentRate
)
{
@@ -1301,46 +1301,26 @@ s_cbFillTxBufHead(struct vnt_private *pDevice, unsigned char byPktType,
unsigned int uDMAIdx, PSTxDesc pHeadTD,
PSEthernetHeader psEthHeader, unsigned char *pPacket,
bool bNeedEncrypt, PSKeyItem pTransmitKey,
- unsigned int uNodeIndex, unsigned int *puMACfragNum)
+ unsigned int is_pspoll, unsigned int *puMACfragNum)
{
- unsigned int cbMACHdLen;
+ PDEVICE_TD_INFO td_info = pHeadTD->pTDInfo;
+ struct sk_buff *skb = td_info->skb;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ struct vnt_tx_fifo_head *tx_buffer_head =
+ (struct vnt_tx_fifo_head *)td_info->buf;
+ u16 fifo_ctl = le16_to_cpu(tx_buffer_head->fifo_ctl);
unsigned int cbFrameSize;
- unsigned int cbFragmentSize; //Hdr+(IV)+payoad+(MIC)+(ICV)+FCS
- unsigned int cbFragPayloadSize;
- unsigned int cbLastFragmentSize; //Hdr+(IV)+payoad+(MIC)+(ICV)+FCS
- unsigned int cbLastFragPayloadSize;
- unsigned int uFragIdx;
- unsigned char *pbyPayloadHead;
- unsigned char *pbyIVHead;
- unsigned char *pbyMacHdr;
- unsigned short wFragType; //00:Non-Frag, 01:Start, 10:Mid, 11:Last
__le16 uDuration;
unsigned char *pbyBuffer;
- unsigned int cbIVlen = 0;
- unsigned int cbICVlen = 0;
- unsigned int cbMIClen = 0;
- unsigned int cbFCSlen = 4;
- unsigned int cb802_1_H_len = 0;
unsigned int uLength = 0;
- unsigned int uTmpLen = 0;
unsigned int cbMICHDR = 0;
- u32 dwMICKey0, dwMICKey1;
- u32 dwMIC_Priority;
- u32 *pdwMIC_L;
- u32 *pdwMIC_R;
- u32 dwSafeMIC_L, dwSafeMIC_R; /* Fix "Last Frag Size" < "MIC length". */
- bool bMIC2Frag = false;
- unsigned int uMICFragLen = 0;
unsigned int uMACfragNum = 1;
unsigned int uPadding = 0;
unsigned int cbReqCount = 0;
-
- bool bNeedACK;
- bool bRTS;
- bool bIsAdhoc;
- unsigned char *pbyType;
+ bool bNeedACK = (bool)(fifo_ctl & FIFOCTL_NEEDACK);
+ bool bRTS = (bool)(fifo_ctl & FIFOCTL_RTS);
PSTxDesc ptdCurr;
- PSTxBufHead psTxBufHd = (PSTxBufHead) pbyTxBufferAddr;
unsigned int cbHeaderLength = 0;
void *pvRrvTime;
struct vnt_mic_hdr *pMICHDR;
@@ -1348,72 +1328,35 @@ s_cbFillTxBufHead(struct vnt_private *pDevice, unsigned char byPktType,
void *pvCTS;
void *pvTxDataHd;
unsigned short wTxBufSize; // FFinfo size
- unsigned int uTotalCopyLength = 0;
unsigned char byFBOption = AUTO_FB_NONE;
- bool bIsWEP256 = false;
- PSMgmtObject pMgmt = pDevice->pMgmt;
pvRrvTime = pMICHDR = pvRTS = pvCTS = pvTxDataHd = NULL;
- if ((pDevice->op_mode == NL80211_IFTYPE_ADHOC) ||
- (pDevice->op_mode == NL80211_IFTYPE_AP)) {
- if (is_multicast_ether_addr(&(psEthHeader->abyDstAddr[0])))
- bNeedACK = false;
- else
- bNeedACK = true;
- bIsAdhoc = true;
- } else {
- // MSDUs in Infra mode always need ACK
- bNeedACK = true;
- bIsAdhoc = false;
- }
-
- if (pDevice->bLongHeader)
- cbMACHdLen = WLAN_HDR_ADDR3_LEN + 6;
- else
- cbMACHdLen = WLAN_HDR_ADDR3_LEN;
+ cbFrameSize = skb->len + 4;
- if ((bNeedEncrypt == true) && (pTransmitKey != NULL)) {
- if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) {
- cbIVlen = 4;
- cbICVlen = 4;
- if (pTransmitKey->uKeyLength == WLAN_WEP232_KEYLEN)
- bIsWEP256 = true;
- }
- if (pTransmitKey->byCipherSuite == KEY_CTL_TKIP) {
- cbIVlen = 8;//IV+ExtIV
- cbMIClen = 8;
- cbICVlen = 4;
- }
- if (pTransmitKey->byCipherSuite == KEY_CTL_CCMP) {
- cbIVlen = 8;//RSN Header
- cbICVlen = 8;//MIC
+ if (info->control.hw_key) {
+ switch (info->control.hw_key->cipher) {
+ case WLAN_CIPHER_SUITE_CCMP:
cbMICHDR = sizeof(struct vnt_mic_hdr);
+ default:
+ break;
}
+
+ cbFrameSize += info->control.hw_key->icv_len;
+
if (pDevice->byLocalID > REV_ID_VT3253_A1) {
//MAC Header should be padding 0 to DW alignment.
- uPadding = 4 - (cbMACHdLen%4);
+ uPadding = 4 - (ieee80211_get_hdrlen_from_skb(skb) % 4);
uPadding %= 4;
}
}
- cbFrameSize = cbMACHdLen + cbIVlen + (cbFrameBodySize + cbMIClen) + cbICVlen + cbFCSlen;
-
- if ((bNeedACK == false) ||
- (cbFrameSize < pDevice->wRTSThreshold) ||
- ((cbFrameSize >= pDevice->wFragmentationThreshold) && (pDevice->wFragmentationThreshold <= pDevice->wRTSThreshold))
-) {
- bRTS = false;
- } else {
- bRTS = true;
- psTxBufHd->wFIFOCtl |= (FIFOCTL_RTS | FIFOCTL_LRETRY);
- }
//
// Use for AUTO FALL BACK
//
- if (psTxBufHd->wFIFOCtl & FIFOCTL_AUTO_FB_0)
+ if (fifo_ctl & FIFOCTL_AUTO_FB_0)
byFBOption = AUTO_FB_0;
- else if (psTxBufHd->wFIFOCtl & FIFOCTL_AUTO_FB_1)
+ else if (fifo_ctl & FIFOCTL_AUTO_FB_1)
byFBOption = AUTO_FB_1;
//////////////////////////////////////////////////////
@@ -1507,471 +1450,37 @@ s_cbFillTxBufHead(struct vnt_private *pDevice, unsigned char byPktType,
}
} // Auto Fall Back
}
- memset((void *)(pbyTxBufferAddr + wTxBufSize), 0, (cbHeaderLength - wTxBufSize));
-
-//////////////////////////////////////////////////////////////////
- if ((bNeedEncrypt == true) && (pTransmitKey != NULL) && (pTransmitKey->byCipherSuite == KEY_CTL_TKIP)) {
- if (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) {
- dwMICKey0 = *(u32 *)(&pTransmitKey->abyKey[16]);
- dwMICKey1 = *(u32 *)(&pTransmitKey->abyKey[20]);
- } else if ((pTransmitKey->dwKeyIndex & AUTHENTICATOR_KEY) != 0) {
- dwMICKey0 = *(u32 *)(&pTransmitKey->abyKey[16]);
- dwMICKey1 = *(u32 *)(&pTransmitKey->abyKey[20]);
- } else {
- dwMICKey0 = *(u32 *)(&pTransmitKey->abyKey[24]);
- dwMICKey1 = *(u32 *)(&pTransmitKey->abyKey[28]);
- }
- // DO Software Michael
- MIC_vInit(dwMICKey0, dwMICKey1);
- MIC_vAppend((unsigned char *)&(psEthHeader->abyDstAddr[0]), 12);
- dwMIC_Priority = 0;
- MIC_vAppend((unsigned char *)&dwMIC_Priority, 4);
- pr_debug("MIC KEY: %X, %X\n", dwMICKey0, dwMICKey1);
- }
-
-///////////////////////////////////////////////////////////////////
-
- pbyMacHdr = (unsigned char *)(pbyTxBufferAddr + cbHeaderLength);
- pbyPayloadHead = (unsigned char *)(pbyMacHdr + cbMACHdLen + uPadding + cbIVlen);
- pbyIVHead = (unsigned char *)(pbyMacHdr + cbMACHdLen + uPadding);
-
- if ((cbFrameSize > pDevice->wFragmentationThreshold) && (bNeedACK == true) && (bIsWEP256 == false)) {
- // Fragmentation
- // FragThreshold = Fragment size(Hdr+(IV)+fragment payload+(MIC)+(ICV)+FCS)
- cbFragmentSize = pDevice->wFragmentationThreshold;
- cbFragPayloadSize = cbFragmentSize - cbMACHdLen - cbIVlen - cbICVlen - cbFCSlen;
- //FragNum = (FrameSize-(Hdr+FCS))/(Fragment Size -(Hrd+FCS)))
- uMACfragNum = (unsigned short) ((cbFrameBodySize + cbMIClen) / cbFragPayloadSize);
- cbLastFragPayloadSize = (cbFrameBodySize + cbMIClen) % cbFragPayloadSize;
- if (cbLastFragPayloadSize == 0)
- cbLastFragPayloadSize = cbFragPayloadSize;
- else
- uMACfragNum++;
-
- //[Hdr+(IV)+last fragment payload+(MIC)+(ICV)+FCS]
- cbLastFragmentSize = cbMACHdLen + cbLastFragPayloadSize + cbIVlen + cbICVlen + cbFCSlen;
-
- for (uFragIdx = 0; uFragIdx < uMACfragNum; uFragIdx++) {
- if (uFragIdx == 0) {
- //=========================
- // Start Fragmentation
- //=========================
- pr_debug("Start Fragmentation...\n");
- wFragType = FRAGCTL_STAFRAG;
-
- //Fill FIFO,RrvTime,RTS,and CTS
- s_vGenerateTxParameter(pDevice, byPktType, (void *)psTxBufHd, pvRrvTime, pvRTS, pvCTS,
- cbFragmentSize, bNeedACK, uDMAIdx, psEthHeader, pDevice->wCurrentRate);
- //Fill DataHead
- uDuration = s_uFillDataHead(pDevice, byPktType, pvTxDataHd, cbFragmentSize, uDMAIdx, bNeedACK,
- uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption, pDevice->wCurrentRate);
- // Generate TX MAC Header
- vGenerateMACHeader(pDevice, pbyMacHdr, uDuration, psEthHeader, bNeedEncrypt,
- wFragType, uDMAIdx, uFragIdx);
-
- if (bNeedEncrypt == true) {
- //Fill TXKEY
- s_vFillTxKey(pDevice, (unsigned char *)(psTxBufHd->adwTxKey), pbyIVHead, pTransmitKey,
- pbyMacHdr, (unsigned short)cbFragPayloadSize, (unsigned char *)pMICHDR);
- //Fill IV(ExtIV,RSNHDR)
- if (pDevice->bEnableHostWEP) {
- pMgmt->sNodeDBTable[uNodeIndex].dwTSC47_16 = pTransmitKey->dwTSC47_16;
- pMgmt->sNodeDBTable[uNodeIndex].wTSC15_0 = pTransmitKey->wTSC15_0;
- }
- }
-
- // 802.1H
- if (ntohs(psEthHeader->wType) > ETH_DATA_LEN) {
- if ((psEthHeader->wType == TYPE_PKT_IPX) ||
- (psEthHeader->wType == cpu_to_le16(0xF380))) {
- memcpy((unsigned char *)(pbyPayloadHead), &pDevice->abySNAP_Bridgetunnel[0], 6);
- } else {
- memcpy((unsigned char *)(pbyPayloadHead), &pDevice->abySNAP_RFC1042[0], 6);
- }
- pbyType = (unsigned char *)(pbyPayloadHead + 6);
- memcpy(pbyType, &(psEthHeader->wType), sizeof(unsigned short));
- cb802_1_H_len = 8;
- }
- cbReqCount = cbHeaderLength + cbMACHdLen + uPadding + cbIVlen + cbFragPayloadSize;
- //---------------------------
- // S/W or H/W Encryption
- //---------------------------
- pbyBuffer = (unsigned char *)pHeadTD->pTDInfo->buf;
+ td_info->mic_hdr = pMICHDR;
- uLength = cbHeaderLength + cbMACHdLen + uPadding + cbIVlen + cb802_1_H_len;
- //copy TxBufferHeader + MacHeader to desc
- memcpy(pbyBuffer, (void *)psTxBufHd, uLength);
-
- // Copy the Packet into a tx Buffer
- memcpy((pbyBuffer + uLength), (pPacket + 14), (cbFragPayloadSize - cb802_1_H_len));
-
- uTotalCopyLength += cbFragPayloadSize - cb802_1_H_len;
-
- if ((bNeedEncrypt == true) && (pTransmitKey != NULL) && (pTransmitKey->byCipherSuite == KEY_CTL_TKIP)) {
- pr_debug("Start MIC: %d\n",
- cbFragPayloadSize);
- MIC_vAppend((pbyBuffer + uLength - cb802_1_H_len), cbFragPayloadSize);
-
- }
-
- //---------------------------
- // S/W Encryption
- //---------------------------
- if ((pDevice->byLocalID <= REV_ID_VT3253_A1)) {
- if (bNeedEncrypt) {
- s_vSWencryption(pDevice, pTransmitKey, (pbyBuffer + uLength - cb802_1_H_len), (unsigned short)cbFragPayloadSize);
- cbReqCount += cbICVlen;
- }
- }
-
- ptdCurr = (PSTxDesc)pHeadTD;
- //--------------------
- //1.Set TSR1 & ReqCount in TxDescHead
- //2.Set FragCtl in TxBufferHead
- //3.Set Frame Control
- //4.Set Sequence Control
- //5.Get S/W generate FCS
- //--------------------
- s_vFillFragParameter(pDevice, pbyBuffer, uDMAIdx, (void *)ptdCurr, wFragType, cbReqCount);
-
- ptdCurr->pTDInfo->dwReqCount = cbReqCount - uPadding;
- ptdCurr->pTDInfo->dwHeaderLength = cbHeaderLength;
- ptdCurr->pTDInfo->skb_dma = ptdCurr->pTDInfo->buf_dma;
- ptdCurr->buff_addr = cpu_to_le32(ptdCurr->pTDInfo->skb_dma);
- pDevice->iTDUsed[uDMAIdx]++;
- pHeadTD = ptdCurr->next;
- } else if (uFragIdx == (uMACfragNum-1)) {
- //=========================
- // Last Fragmentation
- //=========================
- pr_debug("Last Fragmentation...\n");
-
- wFragType = FRAGCTL_ENDFRAG;
-
- //Fill FIFO,RrvTime,RTS,and CTS
- s_vGenerateTxParameter(pDevice, byPktType, (void *)psTxBufHd, pvRrvTime, pvRTS, pvCTS,
- cbLastFragmentSize, bNeedACK, uDMAIdx, psEthHeader, pDevice->wCurrentRate);
- //Fill DataHead
- uDuration = s_uFillDataHead(pDevice, byPktType, pvTxDataHd, cbLastFragmentSize, uDMAIdx, bNeedACK,
- uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption, pDevice->wCurrentRate);
-
- // Generate TX MAC Header
- vGenerateMACHeader(pDevice, pbyMacHdr, uDuration, psEthHeader, bNeedEncrypt,
- wFragType, uDMAIdx, uFragIdx);
-
- if (bNeedEncrypt == true) {
- //Fill TXKEY
- s_vFillTxKey(pDevice, (unsigned char *)(psTxBufHd->adwTxKey), pbyIVHead, pTransmitKey,
- pbyMacHdr, (unsigned short)cbLastFragPayloadSize, (unsigned char *)pMICHDR);
-
- if (pDevice->bEnableHostWEP) {
- pMgmt->sNodeDBTable[uNodeIndex].dwTSC47_16 = pTransmitKey->dwTSC47_16;
- pMgmt->sNodeDBTable[uNodeIndex].wTSC15_0 = pTransmitKey->wTSC15_0;
- }
-
- }
-
- cbReqCount = cbHeaderLength + cbMACHdLen + uPadding + cbIVlen + cbLastFragPayloadSize;
- //---------------------------
- // S/W or H/W Encryption
- //---------------------------
-
- pbyBuffer = (unsigned char *)pHeadTD->pTDInfo->buf;
-
- uLength = cbHeaderLength + cbMACHdLen + uPadding + cbIVlen;
-
- //copy TxBufferHeader + MacHeader to desc
- memcpy(pbyBuffer, (void *)psTxBufHd, uLength);
-
- // Copy the Packet into a tx Buffer
- if (bMIC2Frag == false) {
- memcpy((pbyBuffer + uLength),
- (pPacket + 14 + uTotalCopyLength),
- (cbLastFragPayloadSize - cbMIClen)
-);
- //TODO check uTmpLen !
- uTmpLen = cbLastFragPayloadSize - cbMIClen;
-
- }
- if ((bNeedEncrypt == true) && (pTransmitKey != NULL) && (pTransmitKey->byCipherSuite == KEY_CTL_TKIP)) {
- pr_debug("LAST: uMICFragLen:%d, cbLastFragPayloadSize:%d, uTmpLen:%d\n",
- uMICFragLen,
- cbLastFragPayloadSize,
- uTmpLen);
-
- if (bMIC2Frag == false) {
- if (uTmpLen != 0)
- MIC_vAppend((pbyBuffer + uLength), uTmpLen);
- pdwMIC_L = (u32 *)(pbyBuffer + uLength + uTmpLen);
- pdwMIC_R = (u32 *)(pbyBuffer + uLength + uTmpLen + 4);
- MIC_vGetMIC(pdwMIC_L, pdwMIC_R);
- pr_debug("Last MIC:%X, %X\n",
- *pdwMIC_L, *pdwMIC_R);
- } else {
- if (uMICFragLen >= 4) {
- memcpy((pbyBuffer + uLength), ((unsigned char *)&dwSafeMIC_R + (uMICFragLen - 4)),
- (cbMIClen - uMICFragLen));
- pr_debug("LAST: uMICFragLen >= 4: %X, %d\n",
- *(unsigned char *)((unsigned char *)&dwSafeMIC_R + (uMICFragLen - 4)),
- (cbMIClen - uMICFragLen));
-
- } else {
- memcpy((pbyBuffer + uLength), ((unsigned char *)&dwSafeMIC_L + uMICFragLen),
- (4 - uMICFragLen));
- memcpy((pbyBuffer + uLength + (4 - uMICFragLen)), &dwSafeMIC_R, 4);
- pr_debug("LAST: uMICFragLen < 4: %X, %d\n",
- *(unsigned char *)((unsigned char *)&dwSafeMIC_R + uMICFragLen - 4),
- (cbMIClen - uMICFragLen));
- }
- }
- MIC_vUnInit();
- } else {
- ASSERT(uTmpLen == (cbLastFragPayloadSize - cbMIClen));
- }
-
- //---------------------------
- // S/W Encryption
- //---------------------------
- if ((pDevice->byLocalID <= REV_ID_VT3253_A1)) {
- if (bNeedEncrypt) {
- s_vSWencryption(pDevice, pTransmitKey, (pbyBuffer + uLength), (unsigned short)cbLastFragPayloadSize);
- cbReqCount += cbICVlen;
- }
- }
-
- ptdCurr = (PSTxDesc)pHeadTD;
-
- //--------------------
- //1.Set TSR1 & ReqCount in TxDescHead
- //2.Set FragCtl in TxBufferHead
- //3.Set Frame Control
- //4.Set Sequence Control
- //5.Get S/W generate FCS
- //--------------------
-
- s_vFillFragParameter(pDevice, pbyBuffer, uDMAIdx, (void *)ptdCurr, wFragType, cbReqCount);
-
- ptdCurr->pTDInfo->dwReqCount = cbReqCount - uPadding;
- ptdCurr->pTDInfo->dwHeaderLength = cbHeaderLength;
- ptdCurr->pTDInfo->skb_dma = ptdCurr->pTDInfo->buf_dma;
- ptdCurr->buff_addr = cpu_to_le32(ptdCurr->pTDInfo->skb_dma);
- pDevice->iTDUsed[uDMAIdx]++;
- pHeadTD = ptdCurr->next;
-
- } else {
- //=========================
- // Middle Fragmentation
- //=========================
- pr_debug("Middle Fragmentation...\n");
-
- wFragType = FRAGCTL_MIDFRAG;
-
- //Fill FIFO,RrvTime,RTS,and CTS
- s_vGenerateTxParameter(pDevice, byPktType, (void *)psTxBufHd, pvRrvTime, pvRTS, pvCTS,
- cbFragmentSize, bNeedACK, uDMAIdx, psEthHeader, pDevice->wCurrentRate);
- //Fill DataHead
- uDuration = s_uFillDataHead(pDevice, byPktType, pvTxDataHd, cbFragmentSize, uDMAIdx, bNeedACK,
- uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption, pDevice->wCurrentRate);
-
- // Generate TX MAC Header
- vGenerateMACHeader(pDevice, pbyMacHdr, uDuration, psEthHeader, bNeedEncrypt,
- wFragType, uDMAIdx, uFragIdx);
-
- if (bNeedEncrypt == true) {
- //Fill TXKEY
- s_vFillTxKey(pDevice, (unsigned char *)(psTxBufHd->adwTxKey), pbyIVHead, pTransmitKey,
- pbyMacHdr, (unsigned short)cbFragPayloadSize, (unsigned char *)pMICHDR);
-
- if (pDevice->bEnableHostWEP) {
- pMgmt->sNodeDBTable[uNodeIndex].dwTSC47_16 = pTransmitKey->dwTSC47_16;
- pMgmt->sNodeDBTable[uNodeIndex].wTSC15_0 = pTransmitKey->wTSC15_0;
- }
- }
-
- cbReqCount = cbHeaderLength + cbMACHdLen + uPadding + cbIVlen + cbFragPayloadSize;
- //---------------------------
- // S/W or H/W Encryption
- //---------------------------
-
- pbyBuffer = (unsigned char *)pHeadTD->pTDInfo->buf;
- uLength = cbHeaderLength + cbMACHdLen + uPadding + cbIVlen;
-
- //copy TxBufferHeader + MacHeader to desc
- memcpy(pbyBuffer, (void *)psTxBufHd, uLength);
-
- // Copy the Packet into a tx Buffer
- memcpy((pbyBuffer + uLength),
- (pPacket + 14 + uTotalCopyLength),
- cbFragPayloadSize
-);
- uTmpLen = cbFragPayloadSize;
-
- uTotalCopyLength += uTmpLen;
-
- if ((bNeedEncrypt == true) && (pTransmitKey != NULL) && (pTransmitKey->byCipherSuite == KEY_CTL_TKIP)) {
- MIC_vAppend((pbyBuffer + uLength), uTmpLen);
-
- if (uTmpLen < cbFragPayloadSize) {
- bMIC2Frag = true;
- uMICFragLen = cbFragPayloadSize - uTmpLen;
- ASSERT(uMICFragLen < cbMIClen);
-
- pdwMIC_L = (u32 *)(pbyBuffer + uLength + uTmpLen);
- pdwMIC_R = (u32 *)(pbyBuffer + uLength + uTmpLen + 4);
- MIC_vGetMIC(pdwMIC_L, pdwMIC_R);
- dwSafeMIC_L = *pdwMIC_L;
- dwSafeMIC_R = *pdwMIC_R;
-
- pr_debug("MIDDLE: uMICFragLen:%d, cbFragPayloadSize:%d, uTmpLen:%d\n",
- uMICFragLen,
- cbFragPayloadSize,
- uTmpLen);
- pr_debug("Fill MIC in Middle frag [%d]\n",
- uMICFragLen);
- pr_debug("Get MIC:%X, %X\n",
- *pdwMIC_L, *pdwMIC_R);
- }
- pr_debug("Middle frag len: %d\n",
- uTmpLen);
-
- } else {
- ASSERT(uTmpLen == (cbFragPayloadSize));
- }
-
- if ((pDevice->byLocalID <= REV_ID_VT3253_A1)) {
- if (bNeedEncrypt) {
- s_vSWencryption(pDevice, pTransmitKey, (pbyBuffer + uLength), (unsigned short)cbFragPayloadSize);
- cbReqCount += cbICVlen;
- }
- }
-
- ptdCurr = (PSTxDesc)pHeadTD;
-
- //--------------------
- //1.Set TSR1 & ReqCount in TxDescHead
- //2.Set FragCtl in TxBufferHead
- //3.Set Frame Control
- //4.Set Sequence Control
- //5.Get S/W generate FCS
- //--------------------
-
- s_vFillFragParameter(pDevice, pbyBuffer, uDMAIdx, (void *)ptdCurr, wFragType, cbReqCount);
-
- ptdCurr->pTDInfo->dwReqCount = cbReqCount - uPadding;
- ptdCurr->pTDInfo->dwHeaderLength = cbHeaderLength;
- ptdCurr->pTDInfo->skb_dma = ptdCurr->pTDInfo->buf_dma;
- ptdCurr->buff_addr = cpu_to_le32(ptdCurr->pTDInfo->skb_dma);
- pDevice->iTDUsed[uDMAIdx]++;
- pHeadTD = ptdCurr->next;
- }
- } // for (uMACfragNum)
- } else {
- //=========================
- // No Fragmentation
- //=========================
- wFragType = FRAGCTL_NONFRAG;
-
- //Set FragCtl in TxBufferHead
- psTxBufHd->wFragCtl |= (unsigned short)wFragType;
-
- //Fill FIFO,RrvTime,RTS,and CTS
- s_vGenerateTxParameter(pDevice, byPktType, (void *)psTxBufHd, pvRrvTime, pvRTS, pvCTS,
- cbFrameSize, bNeedACK, uDMAIdx, psEthHeader, pDevice->wCurrentRate);
- //Fill DataHead
- uDuration = s_uFillDataHead(pDevice, byPktType, pvTxDataHd, cbFrameSize, uDMAIdx, bNeedACK,
- 0, 0, uMACfragNum, byFBOption, pDevice->wCurrentRate);
-
- // Generate TX MAC Header
- vGenerateMACHeader(pDevice, pbyMacHdr, uDuration, psEthHeader, bNeedEncrypt,
- wFragType, uDMAIdx, 0);
-
- if (bNeedEncrypt == true) {
- //Fill TXKEY
- s_vFillTxKey(pDevice, (unsigned char *)(psTxBufHd->adwTxKey), pbyIVHead, pTransmitKey,
- pbyMacHdr, (unsigned short)cbFrameBodySize, (unsigned char *)pMICHDR);
-
- if (pDevice->bEnableHostWEP) {
- pMgmt->sNodeDBTable[uNodeIndex].dwTSC47_16 = pTransmitKey->dwTSC47_16;
- pMgmt->sNodeDBTable[uNodeIndex].wTSC15_0 = pTransmitKey->wTSC15_0;
- }
- }
-
- // 802.1H
- if (ntohs(psEthHeader->wType) > ETH_DATA_LEN) {
- if ((psEthHeader->wType == TYPE_PKT_IPX) ||
- (psEthHeader->wType == cpu_to_le16(0xF380))) {
- memcpy((unsigned char *)(pbyPayloadHead), &pDevice->abySNAP_Bridgetunnel[0], 6);
- } else {
- memcpy((unsigned char *)(pbyPayloadHead), &pDevice->abySNAP_RFC1042[0], 6);
- }
- pbyType = (unsigned char *)(pbyPayloadHead + 6);
- memcpy(pbyType, &(psEthHeader->wType), sizeof(unsigned short));
- cb802_1_H_len = 8;
- }
-
- cbReqCount = cbHeaderLength + cbMACHdLen + uPadding + cbIVlen + (cbFrameBodySize + cbMIClen);
- //---------------------------
- // S/W or H/W Encryption
- //---------------------------
- pbyBuffer = (unsigned char *)pHeadTD->pTDInfo->buf;
- uLength = cbHeaderLength + cbMACHdLen + uPadding + cbIVlen + cb802_1_H_len;
-
- //copy TxBufferHeader + MacHeader to desc
- memcpy(pbyBuffer, (void *)psTxBufHd, uLength);
-
- // Copy the Packet into a tx Buffer
- memcpy((pbyBuffer + uLength),
- (pPacket + 14),
- cbFrameBodySize - cb802_1_H_len
-);
-
- if ((bNeedEncrypt == true) && (pTransmitKey != NULL) && (pTransmitKey->byCipherSuite == KEY_CTL_TKIP)) {
- pr_debug("Length:%d, %d\n",
- cbFrameBodySize - cb802_1_H_len, uLength);
-
- MIC_vAppend((pbyBuffer + uLength - cb802_1_H_len), cbFrameBodySize);
-
- pdwMIC_L = (u32 *)(pbyBuffer + uLength - cb802_1_H_len + cbFrameBodySize);
- pdwMIC_R = (u32 *)(pbyBuffer + uLength - cb802_1_H_len + cbFrameBodySize + 4);
-
- MIC_vGetMIC(pdwMIC_L, pdwMIC_R);
- MIC_vUnInit();
-
- if (pDevice->bTxMICFail == true) {
- *pdwMIC_L = 0;
- *pdwMIC_R = 0;
- pDevice->bTxMICFail = false;
- }
+ memset((void *)(pbyTxBufferAddr + wTxBufSize), 0, (cbHeaderLength - wTxBufSize));
- pr_debug("uLength: %d, %d\n", uLength, cbFrameBodySize);
- pr_debug("cbReqCount:%d, %d, %d, %d\n",
- cbReqCount, cbHeaderLength, uPadding, cbIVlen);
- pr_debug("MIC:%x, %x\n", *pdwMIC_L, *pdwMIC_R);
+ /* Fill FIFO,RrvTime,RTS,and CTS */
+ s_vGenerateTxParameter(pDevice, byPktType, tx_buffer_head, pvRrvTime, pvRTS, pvCTS,
+ cbFrameSize, bNeedACK, uDMAIdx, hdr, pDevice->wCurrentRate);
+ /* Fill DataHead */
+ uDuration = s_uFillDataHead(pDevice, byPktType, pvTxDataHd, cbFrameSize, uDMAIdx, bNeedACK,
+ 0, 0, uMACfragNum, byFBOption, pDevice->wCurrentRate);
- }
+ hdr->duration_id = uDuration;
- if ((pDevice->byLocalID <= REV_ID_VT3253_A1)) {
- if (bNeedEncrypt) {
- s_vSWencryption(pDevice, pTransmitKey, (pbyBuffer + uLength - cb802_1_H_len),
- (unsigned short)(cbFrameBodySize + cbMIClen));
- cbReqCount += cbICVlen;
- }
- }
+ cbReqCount = cbHeaderLength + uPadding + cbFrameBodySize;
+ pbyBuffer = (unsigned char *)pHeadTD->pTDInfo->buf;
+ uLength = cbHeaderLength + uPadding;
- ptdCurr = (PSTxDesc)pHeadTD;
+ /* Copy the Packet into a tx Buffer */
+ memcpy((pbyBuffer + uLength), pPacket, cbFrameBodySize);
- ptdCurr->pTDInfo->dwReqCount = cbReqCount - uPadding;
- ptdCurr->pTDInfo->dwHeaderLength = cbHeaderLength;
- ptdCurr->pTDInfo->skb_dma = ptdCurr->pTDInfo->buf_dma;
- ptdCurr->buff_addr = cpu_to_le32(ptdCurr->pTDInfo->skb_dma);
- //Set TSR1 & ReqCount in TxDescHead
- ptdCurr->m_td1TD1.byTCR |= (TCR_STP | TCR_EDP | EDMSDU);
- ptdCurr->m_td1TD1.wReqCount = cpu_to_le16((unsigned short)(cbReqCount));
+ ptdCurr = (PSTxDesc)pHeadTD;
- pDevice->iTDUsed[uDMAIdx]++;
+ ptdCurr->pTDInfo->dwReqCount = cbReqCount - uPadding;
+ ptdCurr->pTDInfo->dwHeaderLength = cbHeaderLength;
+ ptdCurr->pTDInfo->skb_dma = ptdCurr->pTDInfo->buf_dma;
+ ptdCurr->buff_addr = cpu_to_le32(ptdCurr->pTDInfo->skb_dma);
+ /* Set TSR1 & ReqCount in TxDescHead */
+ ptdCurr->m_td1TD1.byTCR |= (TCR_STP | TCR_EDP | EDMSDU);
+ ptdCurr->m_td1TD1.wReqCount = cpu_to_le16((unsigned short)(cbReqCount));
- }
*puMACfragNum = uMACfragNum;
return cbHeaderLength;
--
2.1.0
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