Skip to content

L
linux
Commit d829163f authored by Malcolm Priestley's avatar Malcolm Priestley Committed by Greg Kroah-Hartman
Browse files
Options

staging: vt6655: rxtx remove dead functions 

Signed-off-by: default avatarMalcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 8d0126b1
Hide whitespace changes
Inline Side-by-side
Showing with 1 addition and 1232 deletions
drivers/staging/vt6655/IEEE11h.c
View file @ d829163f
......@@ -135,7 +135,5 @@ bool IEEE11hbMSRRepTx(void *pMgmtHandle)
pTxPacket->cbMPDULen = uLength;
pTxPacket->cbPayloadLen = uLength - WLAN_HDR_ADDR3_LEN;
if (csMgmt_xmit(pMgmt->pAdapter, pTxPacket) != CMD_STATUS_PENDING)
return false;
return true;
}
drivers/staging/vt6655/rxtx.c
View file @ d829163f
......@@ -104,19 +104,6 @@ static const unsigned short wFB_Opt1[2][5] = {
#define DATADUR_A_F1 13
/*--------------------- Static Functions --------------------------*/
static
void
s_vFillTxKey(
struct vnt_private *pDevice,
unsigned char *pbyBuf,
unsigned char *pbyIVHead,
PSKeyItem pTransmitKey,
unsigned char *pbyHdrBuf,
unsigned short wPayloadLen,
unsigned char *pMICHDR
);
static
void
s_vFillRTSHead(
......@@ -174,160 +161,6 @@ s_uFillDataHead(
/*--------------------- Export Variables --------------------------*/
static
void
s_vFillTxKey(
struct vnt_private *pDevice,
unsigned char *pbyBuf,
unsigned char *pbyIVHead,
PSKeyItem pTransmitKey,
unsigned char *pbyHdrBuf,
unsigned short wPayloadLen,
unsigned char *pMICHDR
)
{
struct vnt_mic_hdr *mic_hdr = (struct vnt_mic_hdr *)pMICHDR;
unsigned long *pdwIV = (unsigned long *)pbyIVHead;
unsigned long *pdwExtIV = (unsigned long *)((unsigned char *)pbyIVHead+4);
PS802_11Header pMACHeader = (PS802_11Header)pbyHdrBuf;
unsigned long dwRevIVCounter;
unsigned char byKeyIndex = 0;
//Fill TXKEY
if (pTransmitKey == NULL)
return;
dwRevIVCounter = cpu_to_le32(pDevice->dwIVCounter);
*pdwIV = pDevice->dwIVCounter;
byKeyIndex = pTransmitKey->dwKeyIndex & 0xf;
if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) {
if (pTransmitKey->uKeyLength == WLAN_WEP232_KEYLEN) {
memcpy(pDevice->abyPRNG, (unsigned char *)&(dwRevIVCounter), 3);
memcpy(pDevice->abyPRNG+3, pTransmitKey->abyKey, pTransmitKey->uKeyLength);
} else {
memcpy(pbyBuf, (unsigned char *)&(dwRevIVCounter), 3);
memcpy(pbyBuf+3, pTransmitKey->abyKey, pTransmitKey->uKeyLength);
if (pTransmitKey->uKeyLength == WLAN_WEP40_KEYLEN) {
memcpy(pbyBuf+8, (unsigned char *)&(dwRevIVCounter), 3);
memcpy(pbyBuf+11, pTransmitKey->abyKey, pTransmitKey->uKeyLength);
}
memcpy(pDevice->abyPRNG, pbyBuf, 16);
}
// Append IV after Mac Header
*pdwIV &= WEP_IV_MASK;//00000000 11111111 11111111 11111111
*pdwIV |= (unsigned long)byKeyIndex << 30;
*pdwIV = cpu_to_le32(*pdwIV);
pDevice->dwIVCounter++;
if (pDevice->dwIVCounter > WEP_IV_MASK)
pDevice->dwIVCounter = 0;
} else if (pTransmitKey->byCipherSuite == KEY_CTL_TKIP) {
pTransmitKey->wTSC15_0++;
if (pTransmitKey->wTSC15_0 == 0)
pTransmitKey->dwTSC47_16++;
TKIPvMixKey(pTransmitKey->abyKey, pDevice->abyCurrentNetAddr,
pTransmitKey->wTSC15_0, pTransmitKey->dwTSC47_16, pDevice->abyPRNG);
memcpy(pbyBuf, pDevice->abyPRNG, 16);
// Make IV
memcpy(pdwIV, pDevice->abyPRNG, 3);
*(pbyIVHead+3) = (unsigned char)(((byKeyIndex << 6) & 0xc0) | 0x20); // 0x20 is ExtIV
// Append IV&ExtIV after Mac Header
*pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16);
pr_debug("vFillTxKey()---- pdwExtIV: %lx\n", *pdwExtIV);
} else if (pTransmitKey->byCipherSuite == KEY_CTL_CCMP) {
pTransmitKey->wTSC15_0++;
if (pTransmitKey->wTSC15_0 == 0)
pTransmitKey->dwTSC47_16++;
memcpy(pbyBuf, pTransmitKey->abyKey, 16);
// Make IV
*pdwIV = 0;
*(pbyIVHead+3) = (unsigned char)(((byKeyIndex << 6) & 0xc0) | 0x20); // 0x20 is ExtIV
*pdwIV |= cpu_to_le16((unsigned short)(pTransmitKey->wTSC15_0));
//Append IV&ExtIV after Mac Header
*pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16);
/* MICHDR0 */
mic_hdr->id = 0x59;
mic_hdr->tx_priority = 0;
ether_addr_copy(mic_hdr->mic_addr2, pMACHeader->abyAddr2);
/* ccmp pn big endian order */
mic_hdr->ccmp_pn[0] = (u8)(pTransmitKey->dwTSC47_16 >> 24);
mic_hdr->ccmp_pn[1] = (u8)(pTransmitKey->dwTSC47_16 >> 16);
mic_hdr->ccmp_pn[2] = (u8)(pTransmitKey->dwTSC47_16 >> 8);
mic_hdr->ccmp_pn[3] = (u8)pTransmitKey->dwTSC47_16;
mic_hdr->ccmp_pn[4] = (u8)(pTransmitKey->wTSC15_0 >> 8);
mic_hdr->ccmp_pn[5] = (u8)pTransmitKey->wTSC15_0;
/* MICHDR1 */
mic_hdr->payload_len = cpu_to_be16(wPayloadLen);
if (pDevice->bLongHeader)
mic_hdr->hlen = cpu_to_be16(28);
else
mic_hdr->hlen = cpu_to_be16(22);
ether_addr_copy(mic_hdr->addr1, pMACHeader->abyAddr1);
ether_addr_copy(mic_hdr->addr2, pMACHeader->abyAddr2);
/* MICHDR2 */
ether_addr_copy(mic_hdr->addr3, pMACHeader->abyAddr3);
mic_hdr->frame_control =
cpu_to_le16(pMACHeader->wFrameCtl & 0xc78f);
mic_hdr->seq_ctrl = cpu_to_le16(pMACHeader->wSeqCtl & 0xf);
if (pDevice->bLongHeader)
ether_addr_copy(mic_hdr->addr4, pMACHeader->abyAddr4);
}
}
static
void
s_vSWencryption(
struct vnt_private *pDevice,
PSKeyItem pTransmitKey,
unsigned char *pbyPayloadHead,
unsigned short wPayloadSize
)
{
unsigned int cbICVlen = 4;
unsigned long dwICV = 0xFFFFFFFFL;
unsigned long *pdwICV;
if (pTransmitKey == NULL)
return;
if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) {
//=======================================================================
// Append ICV after payload
dwICV = CRCdwGetCrc32Ex(pbyPayloadHead, wPayloadSize, dwICV);//ICV(Payload)
pdwICV = (unsigned long *)(pbyPayloadHead + wPayloadSize);
// finally, we must invert dwCRC to get the correct answer
*pdwICV = cpu_to_le32(~dwICV);
// RC4 encryption
rc4_init(&pDevice->SBox, pDevice->abyPRNG, pTransmitKey->uKeyLength + 3);
rc4_encrypt(&pDevice->SBox, pbyPayloadHead, pbyPayloadHead, wPayloadSize+cbICVlen);
//=======================================================================
} else if (pTransmitKey->byCipherSuite == KEY_CTL_TKIP) {
//=======================================================================
//Append ICV after payload
dwICV = CRCdwGetCrc32Ex(pbyPayloadHead, wPayloadSize, dwICV);//ICV(Payload)
pdwICV = (unsigned long *)(pbyPayloadHead + wPayloadSize);
// finally, we must invert dwCRC to get the correct answer
*pdwICV = cpu_to_le32(~dwICV);
// RC4 encryption
rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN);
rc4_encrypt(&pDevice->SBox, pbyPayloadHead, pbyPayloadHead, wPayloadSize+cbICVlen);
//=======================================================================
}
}
static __le16 vnt_time_stamp_off(struct vnt_private *priv, u16 rate)
{
return cpu_to_le16(wTimeStampOff[priv->byPreambleType % 2]
......@@ -1395,1024 +1228,6 @@ s_cbFillTxBufHead(struct vnt_private *pDevice, unsigned char byPktType,
return cbHeaderLength;
}
void
vGenerateFIFOHeader(struct vnt_private *pDevice, unsigned char byPktType,
unsigned char *pbyTxBufferAddr, bool bNeedEncrypt,
unsigned int cbPayloadSize, unsigned int uDMAIdx,
PSTxDesc pHeadTD, PSEthernetHeader psEthHeader, unsigned char *pPacket,
PSKeyItem pTransmitKey, unsigned int uNodeIndex, unsigned int *puMACfragNum,
unsigned int *pcbHeaderSize)
{
unsigned int wTxBufSize; // FFinfo size
bool bNeedACK;
bool bIsAdhoc;
unsigned short cbMacHdLen;
PSTxBufHead pTxBufHead = (PSTxBufHead) pbyTxBufferAddr;
wTxBufSize = sizeof(STxBufHead);
memset(pTxBufHead, 0, wTxBufSize);
//Set FIFOCTL_NEEDACK
if ((pDevice->op_mode == NL80211_IFTYPE_ADHOC) ||
(pDevice->op_mode == NL80211_IFTYPE_AP)) {
if (is_multicast_ether_addr(&(psEthHeader->abyDstAddr[0]))) {
bNeedACK = false;
pTxBufHead->wFIFOCtl = pTxBufHead->wFIFOCtl & (~FIFOCTL_NEEDACK);
} else {
bNeedACK = true;
pTxBufHead->wFIFOCtl |= FIFOCTL_NEEDACK;
}
bIsAdhoc = true;
} else {
// MSDUs in Infra mode always need ACK
bNeedACK = true;
pTxBufHead->wFIFOCtl |= FIFOCTL_NEEDACK;
bIsAdhoc = false;
}
pTxBufHead->wFIFOCtl |= FIFOCTL_TMOEN;
pTxBufHead->wTimeStamp = cpu_to_le16(DEFAULT_MSDU_LIFETIME_RES_64us);
//Set FIFOCTL_LHEAD
if (pDevice->bLongHeader)
pTxBufHead->wFIFOCtl |= FIFOCTL_LHEAD;
//Set FIFOCTL_GENINT
pTxBufHead->wFIFOCtl |= FIFOCTL_GENINT;
//Set FIFOCTL_ISDMA0
if (TYPE_TXDMA0 == uDMAIdx)
pTxBufHead->wFIFOCtl |= FIFOCTL_ISDMA0;
//Set FRAGCTL_MACHDCNT
if (pDevice->bLongHeader)
cbMacHdLen = WLAN_HDR_ADDR3_LEN + 6;
else
cbMacHdLen = WLAN_HDR_ADDR3_LEN;
pTxBufHead->wFragCtl |= cpu_to_le16((unsigned short)(cbMacHdLen << 10));
//Set packet type
if (byPktType == PK_TYPE_11A) //0000 0000 0000 0000
;
else if (byPktType == PK_TYPE_11B) //0000 0001 0000 0000
pTxBufHead->wFIFOCtl |= FIFOCTL_11B;
else if (byPktType == PK_TYPE_11GB) //0000 0010 0000 0000
pTxBufHead->wFIFOCtl |= FIFOCTL_11GB;
else if (byPktType == PK_TYPE_11GA) //0000 0011 0000 0000
pTxBufHead->wFIFOCtl |= FIFOCTL_11GA;
//Set FIFOCTL_GrpAckPolicy
if (pDevice->bGrpAckPolicy == true) //0000 0100 0000 0000
pTxBufHead->wFIFOCtl |= FIFOCTL_GRPACK;
//Set Auto Fallback Ctl
if (pDevice->wCurrentRate >= RATE_18M) {
if (pDevice->byAutoFBCtrl == AUTO_FB_0)
pTxBufHead->wFIFOCtl |= FIFOCTL_AUTO_FB_0;
else if (pDevice->byAutoFBCtrl == AUTO_FB_1)
pTxBufHead->wFIFOCtl |= FIFOCTL_AUTO_FB_1;
}
//Set FRAGCTL_WEPTYP
pDevice->bAES = false;
//Set FRAGCTL_WEPTYP
if (pDevice->byLocalID > REV_ID_VT3253_A1) {
if ((bNeedEncrypt) && (pTransmitKey != NULL)) { //WEP enabled
if (pTransmitKey->byCipherSuite == KEY_CTL_TKIP) {
pTxBufHead->wFragCtl |= FRAGCTL_TKIP;
} else if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) { //WEP40 or WEP104
if (pTransmitKey->uKeyLength != WLAN_WEP232_KEYLEN)
pTxBufHead->wFragCtl |= FRAGCTL_LEGACY;
} else if (pTransmitKey->byCipherSuite == KEY_CTL_CCMP) { //CCMP
pTxBufHead->wFragCtl |= FRAGCTL_AES;
}
}
}
RFbSetPower(pDevice, pDevice->wCurrentRate, pDevice->byCurrentCh);
pTxBufHead->byTxPower = pDevice->byCurPwr;
*pcbHeaderSize = s_cbFillTxBufHead(pDevice, byPktType, pbyTxBufferAddr, cbPayloadSize,
uDMAIdx, pHeadTD, psEthHeader, pPacket, bNeedEncrypt,
pTransmitKey, uNodeIndex, puMACfragNum);
}
/*+
*
* Description:
* Translate 802.3 to 802.11 header
*
* Parameters:
* In:
* pDevice - Pointer to adapter
* dwTxBufferAddr - Transmit Buffer
* pPacket - Packet from upper layer
* cbPacketSize - Transmit Data Length
* Out:
* pcbHeadSize - Header size of MAC&Baseband control and 802.11 Header
* pcbAppendPayload - size of append payload for 802.1H translation
*
* Return Value: none
*
-*/
void
vGenerateMACHeader(
struct vnt_private *pDevice,
unsigned char *pbyBufferAddr,
__le16 wDuration,
PSEthernetHeader psEthHeader,
bool bNeedEncrypt,
unsigned short wFragType,
unsigned int uDMAIdx,
unsigned int uFragIdx
)
{
PS802_11Header pMACHeader = (PS802_11Header)pbyBufferAddr;
memset(pMACHeader, 0, (sizeof(S802_11Header)));
if (uDMAIdx == TYPE_ATIMDMA)
pMACHeader->wFrameCtl = TYPE_802_11_ATIM;
else
pMACHeader->wFrameCtl = TYPE_802_11_DATA;
if (pDevice->op_mode == NL80211_IFTYPE_AP) {
ether_addr_copy(&(pMACHeader->abyAddr1[0]),
&(psEthHeader->abyDstAddr[0]));
ether_addr_copy(&(pMACHeader->abyAddr2[0]),
&(pDevice->abyBSSID[0]));
ether_addr_copy(&(pMACHeader->abyAddr3[0]),
&(psEthHeader->abySrcAddr[0]));
pMACHeader->wFrameCtl |= FC_FROMDS;
} else {
if (pDevice->op_mode == NL80211_IFTYPE_ADHOC) {
ether_addr_copy(&(pMACHeader->abyAddr1[0]),
&(psEthHeader->abyDstAddr[0]));
ether_addr_copy(&(pMACHeader->abyAddr2[0]),
&(psEthHeader->abySrcAddr[0]));
ether_addr_copy(&(pMACHeader->abyAddr3[0]),
&(pDevice->abyBSSID[0]));
} else {
ether_addr_copy(&(pMACHeader->abyAddr3[0]),
&(psEthHeader->abyDstAddr[0]));
ether_addr_copy(&(pMACHeader->abyAddr2[0]),
&(psEthHeader->abySrcAddr[0]));
ether_addr_copy(&(pMACHeader->abyAddr1[0]),
&(pDevice->abyBSSID[0]));
pMACHeader->wFrameCtl |= FC_TODS;
}
}
if (bNeedEncrypt)
pMACHeader->wFrameCtl |= cpu_to_le16((unsigned short)WLAN_SET_FC_ISWEP(1));
pMACHeader->wDurationID = le16_to_cpu(wDuration);
if (pDevice->bLongHeader) {
PWLAN_80211HDR_A4 pMACA4Header = (PWLAN_80211HDR_A4) pbyBufferAddr;
pMACHeader->wFrameCtl |= (FC_TODS | FC_FROMDS);
memcpy(pMACA4Header->abyAddr4, pDevice->abyBSSID, WLAN_ADDR_LEN);
}
pMACHeader->wSeqCtl = cpu_to_le16(pDevice->wSeqCounter << 4);
//Set FragNumber in Sequence Control
pMACHeader->wSeqCtl |= cpu_to_le16((unsigned short)uFragIdx);
if ((wFragType == FRAGCTL_ENDFRAG) || (wFragType == FRAGCTL_NONFRAG)) {
pDevice->wSeqCounter++;
if (pDevice->wSeqCounter > 0x0fff)
pDevice->wSeqCounter = 0;
}
if ((wFragType == FRAGCTL_STAFRAG) || (wFragType == FRAGCTL_MIDFRAG)) //StartFrag or MidFrag
pMACHeader->wFrameCtl |= FC_MOREFRAG;
}
CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, PSTxMgmtPacket pPacket)
{
PSTxDesc pFrstTD;
unsigned char byPktType;
unsigned char *pbyTxBufferAddr;
void *pvRTS;
struct vnt_cts *pCTS;
void *pvTxDataHd;
unsigned int uDuration;
unsigned int cbReqCount;
PS802_11Header pMACHeader;
unsigned int cbHeaderSize;
unsigned int cbFrameBodySize;
bool bNeedACK;
bool bIsPSPOLL = false;
PSTxBufHead pTxBufHead;
unsigned int cbFrameSize;
unsigned int cbIVlen = 0;
unsigned int cbICVlen = 0;
unsigned int cbMIClen = 0;
unsigned int cbFCSlen = 4;
unsigned int uPadding = 0;
unsigned short wTxBufSize;
unsigned int cbMacHdLen;
SEthernetHeader sEthHeader;
void *pvRrvTime;
void *pMICHDR;
PSMgmtObject pMgmt = pDevice->pMgmt;
unsigned short wCurrentRate = RATE_1M;
if (AVAIL_TD(pDevice, TYPE_TXDMA0) <= 0)
return CMD_STATUS_RESOURCES;
pFrstTD = pDevice->apCurrTD[TYPE_TXDMA0];
pbyTxBufferAddr = (unsigned char *)pFrstTD->pTDInfo->buf;
cbFrameBodySize = pPacket->cbPayloadLen;
pTxBufHead = (PSTxBufHead) pbyTxBufferAddr;
wTxBufSize = sizeof(STxBufHead);
memset(pTxBufHead, 0, wTxBufSize);
if (pDevice->eCurrentPHYType == PHY_TYPE_11A) {
wCurrentRate = RATE_6M;
byPktType = PK_TYPE_11A;
} else {
wCurrentRate = RATE_1M;
byPktType = PK_TYPE_11B;
}
// SetPower will cause error power TX state for OFDM Date packet in TX buffer.
// 2004.11.11 Kyle -- Using OFDM power to tx MngPkt will decrease the connection capability.
// And cmd timer will wait data pkt TX finish before scanning so it's OK
// to set power here.
if (pDevice->pMgmt->eScanState != WMAC_NO_SCANNING)
RFbSetPower(pDevice, wCurrentRate, pDevice->byCurrentCh);
else
RFbSetPower(pDevice, wCurrentRate, pMgmt->uCurrChannel);
pTxBufHead->byTxPower = pDevice->byCurPwr;
//+++++++++++++++++++++ Patch VT3253 A1 performance +++++++++++++++++++++++++++
if (pDevice->byFOETuning) {
if ((pPacket->p80211Header->sA3.wFrameCtl & TYPE_DATE_NULL) == TYPE_DATE_NULL) {
wCurrentRate = RATE_24M;
byPktType = PK_TYPE_11GA;
}
}
//Set packet type
if (byPktType == PK_TYPE_11A) {//0000 0000 0000 0000
pTxBufHead->wFIFOCtl = 0;
} else if (byPktType == PK_TYPE_11B) {//0000 0001 0000 0000
pTxBufHead->wFIFOCtl |= FIFOCTL_11B;
} else if (byPktType == PK_TYPE_11GB) {//0000 0010 0000 0000
pTxBufHead->wFIFOCtl |= FIFOCTL_11GB;
} else if (byPktType == PK_TYPE_11GA) {//0000 0011 0000 0000
pTxBufHead->wFIFOCtl |= FIFOCTL_11GA;
}
pTxBufHead->wFIFOCtl |= FIFOCTL_TMOEN;
pTxBufHead->wTimeStamp = cpu_to_le16(DEFAULT_MGN_LIFETIME_RES_64us);
if (is_multicast_ether_addr(&(pPacket->p80211Header->sA3.abyAddr1[0])))
bNeedACK = false;
else {
bNeedACK = true;
pTxBufHead->wFIFOCtl |= FIFOCTL_NEEDACK;
}
if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) ||
(pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)) {
pTxBufHead->wFIFOCtl |= FIFOCTL_LRETRY;
}
pTxBufHead->wFIFOCtl |= (FIFOCTL_GENINT | FIFOCTL_ISDMA0);
if ((pPacket->p80211Header->sA4.wFrameCtl & TYPE_SUBTYPE_MASK) == TYPE_CTL_PSPOLL) {
bIsPSPOLL = true;
cbMacHdLen = WLAN_HDR_ADDR2_LEN;
} else {
cbMacHdLen = WLAN_HDR_ADDR3_LEN;
}
//Set FRAGCTL_MACHDCNT
pTxBufHead->wFragCtl |= cpu_to_le16((unsigned short)(cbMacHdLen << 10));
// Notes:
// Although spec says MMPDU can be fragmented; In most cases,
// no one will send a MMPDU under fragmentation. With RTS may occur.
pDevice->bAES = false; //Set FRAGCTL_WEPTYP
if (WLAN_GET_FC_ISWEP(pPacket->p80211Header->sA4.wFrameCtl) != 0) {
if (pDevice->eEncryptionStatus == Ndis802_11Encryption1Enabled) {
cbIVlen = 4;
cbICVlen = 4;
pTxBufHead->wFragCtl |= FRAGCTL_LEGACY;
} else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) {
cbIVlen = 8;//IV+ExtIV
cbMIClen = 8;
cbICVlen = 4;
pTxBufHead->wFragCtl |= FRAGCTL_TKIP;
//We need to get seed here for filling TxKey entry.
} else if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) {
cbIVlen = 8;//RSN Header
cbICVlen = 8;//MIC
pTxBufHead->wFragCtl |= FRAGCTL_AES;
pDevice->bAES = true;
}
//MAC Header should be padding 0 to DW alignment.
uPadding = 4 - (cbMacHdLen%4);
uPadding %= 4;
}
cbFrameSize = cbMacHdLen + cbFrameBodySize + cbIVlen + cbMIClen + cbICVlen + cbFCSlen;
//Set FIFOCTL_GrpAckPolicy
if (pDevice->bGrpAckPolicy == true) //0000 0100 0000 0000
pTxBufHead->wFIFOCtl |= FIFOCTL_GRPACK;
//the rest of pTxBufHead->wFragCtl:FragTyp will be set later in s_vFillFragParameter()
//Set RrvTime/RTS/CTS Buffer
if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {//802.11g packet
pvRrvTime = (void *) (pbyTxBufferAddr + wTxBufSize);
pMICHDR = NULL;
pvRTS = NULL;
pCTS = (struct vnt_cts *)(pbyTxBufferAddr + wTxBufSize +
sizeof(struct vnt_rrv_time_cts));
pvTxDataHd = (void *)(pbyTxBufferAddr + wTxBufSize +
sizeof(struct vnt_rrv_time_cts) + sizeof(struct vnt_cts));
cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_cts) +
sizeof(struct vnt_cts) + sizeof(struct vnt_tx_datahead_g);
} else { // 802.11a/b packet
pvRrvTime = (void *)(pbyTxBufferAddr + wTxBufSize);
pMICHDR = NULL;
pvRTS = NULL;
pCTS = NULL;
pvTxDataHd = (void *)(pbyTxBufferAddr + wTxBufSize +
sizeof(struct vnt_rrv_time_ab));
cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_ab) +
sizeof(struct vnt_tx_datahead_ab);
}
memset((void *)(pbyTxBufferAddr + wTxBufSize), 0, (cbHeaderSize - wTxBufSize));
ether_addr_copy(&(sEthHeader.abyDstAddr[0]),
&(pPacket->p80211Header->sA3.abyAddr1[0]));
ether_addr_copy(&(sEthHeader.abySrcAddr[0]),
&(pPacket->p80211Header->sA3.abyAddr2[0]));
//=========================
// No Fragmentation
//=========================
pTxBufHead->wFragCtl |= (unsigned short)FRAGCTL_NONFRAG;
//Fill FIFO,RrvTime,RTS,and CTS
s_vGenerateTxParameter(pDevice, byPktType, pbyTxBufferAddr, pvRrvTime, pvRTS, pCTS,
cbFrameSize, bNeedACK, TYPE_TXDMA0, &sEthHeader, wCurrentRate);
//Fill DataHead
uDuration = s_uFillDataHead(pDevice, byPktType, pvTxDataHd, cbFrameSize, TYPE_TXDMA0, bNeedACK,
0, 0, 1, AUTO_FB_NONE, wCurrentRate, false);
pMACHeader = (PS802_11Header) (pbyTxBufferAddr + cbHeaderSize);
cbReqCount = cbHeaderSize + cbMacHdLen + uPadding + cbIVlen + cbFrameBodySize;
if (WLAN_GET_FC_ISWEP(pPacket->p80211Header->sA4.wFrameCtl) != 0) {
unsigned char *pbyIVHead;
unsigned char *pbyPayloadHead;
unsigned char *pbyBSSID;
PSKeyItem pTransmitKey = NULL;
pbyIVHead = (unsigned char *)(pbyTxBufferAddr + cbHeaderSize + cbMacHdLen + uPadding);
pbyPayloadHead = (unsigned char *)(pbyTxBufferAddr + cbHeaderSize + cbMacHdLen + uPadding + cbIVlen);
//Fill TXKEY
//Kyle: Need fix: TKIP and AES did't encrypt Mnt Packet.
//s_vFillTxKey(pDevice, (unsigned char *)pTxBufHead->adwTxKey, NULL);
//Fill IV(ExtIV,RSNHDR)
//s_vFillPrePayload(pDevice, pbyIVHead, NULL);
//---------------------------
// S/W or H/W Encryption
//---------------------------
do {
if ((pDevice->op_mode == NL80211_IFTYPE_STATION) &&
(pDevice->bLinkPass == true)) {
pbyBSSID = pDevice->abyBSSID;
// get pairwise key
if (KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, PAIRWISE_KEY, &pTransmitKey) == false) {
// get group key
if (KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, GROUP_KEY, &pTransmitKey) == true) {
pr_debug("Get GTK\n");
break;
}
} else {
pr_debug("Get PTK\n");
break;
}
}
// get group key
pbyBSSID = pDevice->abyBroadcastAddr;
if (KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, GROUP_KEY, &pTransmitKey) == false) {
pTransmitKey = NULL;
pr_debug("KEY is NULL. OP Mode[%d]\n",
pDevice->op_mode);
} else {
pr_debug("Get GTK\n");
}
} while (false);
//Fill TXKEY
s_vFillTxKey(pDevice, (unsigned char *)(pTxBufHead->adwTxKey), pbyIVHead, pTransmitKey,
(unsigned char *)pMACHeader, (unsigned short)cbFrameBodySize, NULL);
memcpy(pMACHeader, pPacket->p80211Header, cbMacHdLen);
memcpy(pbyPayloadHead, ((unsigned char *)(pPacket->p80211Header) + cbMacHdLen),
cbFrameBodySize);
} else {
// Copy the Packet into a tx Buffer
memcpy(pMACHeader, pPacket->p80211Header, pPacket->cbMPDULen);
}
pMACHeader->wSeqCtl = cpu_to_le16(pDevice->wSeqCounter << 4);
pDevice->wSeqCounter++;
if (pDevice->wSeqCounter > 0x0fff)
pDevice->wSeqCounter = 0;
if (bIsPSPOLL) {
// The MAC will automatically replace the Duration-field of MAC header by Duration-field
// of FIFO control header.
// This will cause AID-field of PS-POLL packet to be incorrect (Because PS-POLL's AID field is
// in the same place of other packet's Duration-field).
// And it will cause Cisco-AP to issue Disassociation-packet
if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {
((struct vnt_tx_datahead_g *)pvTxDataHd)->duration_a = cpu_to_le16(pPacket->p80211Header->sA2.wDurationID);
((struct vnt_tx_datahead_g *)pvTxDataHd)->duration_b = cpu_to_le16(pPacket->p80211Header->sA2.wDurationID);
} else {
((struct vnt_tx_datahead_ab *)pvTxDataHd)->duration = cpu_to_le16(pPacket->p80211Header->sA2.wDurationID);
}
}
// first TD is the only TD
//Set TSR1 & ReqCount in TxDescHead
pFrstTD->m_td1TD1.byTCR = (TCR_STP | TCR_EDP | EDMSDU);
pFrstTD->pTDInfo->skb_dma = pFrstTD->pTDInfo->buf_dma;
pFrstTD->m_td1TD1.wReqCount = cpu_to_le16((unsigned short)(cbReqCount));
pFrstTD->buff_addr = cpu_to_le32(pFrstTD->pTDInfo->skb_dma);
pFrstTD->pTDInfo->byFlags = 0;
if (MACbIsRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_PS)) {
// Disable PS
MACbPSWakeup(pDevice->PortOffset);
}
pDevice->bPWBitOn = false;
wmb();
pFrstTD->m_td0TD0.f1Owner = OWNED_BY_NIC;
wmb();
pDevice->iTDUsed[TYPE_TXDMA0]++;
if (AVAIL_TD(pDevice, TYPE_TXDMA0) <= 1)
pr_debug(" available td0 <= 1\n");
pDevice->apCurrTD[TYPE_TXDMA0] = pFrstTD->next;
pDevice->nTxDataTimeCout = 0; //2008-8-21 chester <add> for send null packet
// Poll Transmit the adapter
MACvTransmit0(pDevice->PortOffset);
return CMD_STATUS_PENDING;
}
CMD_STATUS csBeacon_xmit(struct vnt_private *pDevice, PSTxMgmtPacket pPacket)
{
unsigned char byPktType;
unsigned char *pbyBuffer = (unsigned char *)pDevice->tx_beacon_bufs;
unsigned int cbFrameSize = pPacket->cbMPDULen + WLAN_FCS_LEN;
unsigned int cbHeaderSize = 0;
struct vnt_tx_short_buf_head *short_head =
(struct vnt_tx_short_buf_head *)pbyBuffer;
PS802_11Header pMACHeader;
unsigned short wCurrentRate;
memset(short_head, 0, sizeof(*short_head));
if (pDevice->eCurrentPHYType == PHY_TYPE_11A) {
wCurrentRate = RATE_6M;
byPktType = PK_TYPE_11A;
} else {
wCurrentRate = RATE_2M;
byPktType = PK_TYPE_11B;
}
//Set Preamble type always long
pDevice->byPreambleType = PREAMBLE_LONG;
/* Set FIFOCTL_GENINT */
short_head->fifo_ctl |= cpu_to_le16(FIFOCTL_GENINT);
/* Set packet type & Get Duration */
if (byPktType == PK_TYPE_11A) {//0000 0000 0000 0000
short_head->duration =
cpu_to_le16((u16)s_uGetDataDuration(pDevice, DATADUR_A,
cbFrameSize, byPktType, wCurrentRate, false,
0, 0, 1, AUTO_FB_NONE));
} else if (byPktType == PK_TYPE_11B) {//0000 0001 0000 0000
short_head->fifo_ctl |= cpu_to_le16(FIFOCTL_11B);
short_head->duration =
cpu_to_le16((u16)s_uGetDataDuration(pDevice, DATADUR_B,
cbFrameSize, byPktType, wCurrentRate, false,
0, 0, 1, AUTO_FB_NONE));
}
vnt_get_phy_field(pDevice, cbFrameSize,
wCurrentRate, byPktType, &short_head->ab);
/* Get TimeStampOff */
short_head->time_stamp_off = vnt_time_stamp_off(pDevice, wCurrentRate);
cbHeaderSize = sizeof(struct vnt_tx_short_buf_head);
//Generate Beacon Header
pMACHeader = (PS802_11Header)(pbyBuffer + cbHeaderSize);
memcpy(pMACHeader, pPacket->p80211Header, pPacket->cbMPDULen);
pMACHeader->wDurationID = 0;
pMACHeader->wSeqCtl = cpu_to_le16(pDevice->wSeqCounter << 4);
pDevice->wSeqCounter++;
if (pDevice->wSeqCounter > 0x0fff)
pDevice->wSeqCounter = 0;
// Set Beacon buffer length
pDevice->wBCNBufLen = pPacket->cbMPDULen + cbHeaderSize;
MACvSetCurrBCNTxDescAddr(pDevice->PortOffset, (pDevice->tx_beacon_dma));
MACvSetCurrBCNLength(pDevice->PortOffset, pDevice->wBCNBufLen);
// Set auto Transmit on
MACvRegBitsOn(pDevice->PortOffset, MAC_REG_TCR, TCR_AUTOBCNTX);
// Poll Transmit the adapter
MACvTransmitBCN(pDevice->PortOffset);
return CMD_STATUS_PENDING;
}
unsigned int
cbGetFragCount(
struct vnt_private *pDevice,
PSKeyItem pTransmitKey,
unsigned int cbFrameBodySize,
PSEthernetHeader psEthHeader
)
{
unsigned int cbMACHdLen;
unsigned int cbFrameSize;
unsigned int cbFragmentSize; //Hdr+(IV)+payoad+(MIC)+(ICV)+FCS
unsigned int cbFragPayloadSize;
unsigned int cbLastFragPayloadSize;
unsigned int cbIVlen = 0;
unsigned int cbICVlen = 0;
unsigned int cbMIClen = 0;
unsigned int cbFCSlen = 4;
unsigned int uMACfragNum = 1;
bool bNeedACK;
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;
} else {
// MSDUs in Infra mode always need ACK
bNeedACK = true;
}
if (pDevice->bLongHeader)
cbMACHdLen = WLAN_HDR_ADDR3_LEN + 6;
else
cbMACHdLen = WLAN_HDR_ADDR3_LEN;
if (pDevice->bEncryptionEnable == true) {
if (pTransmitKey == NULL) {
if ((pDevice->eEncryptionStatus == Ndis802_11Encryption1Enabled) ||
(pDevice->pMgmt->eAuthenMode < WMAC_AUTH_WPA)) {
cbIVlen = 4;
cbICVlen = 4;
} else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) {
cbIVlen = 8;//IV+ExtIV
cbMIClen = 8;
cbICVlen = 4;
} else if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) {
cbIVlen = 8;//RSN Header
cbICVlen = 8;//MIC
}
} else if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) {
cbIVlen = 4;
cbICVlen = 4;
} else if (pTransmitKey->byCipherSuite == KEY_CTL_TKIP) {
cbIVlen = 8;//IV+ExtIV
cbMIClen = 8;
cbICVlen = 4;
} else if (pTransmitKey->byCipherSuite == KEY_CTL_CCMP) {
cbIVlen = 8;//RSN Header
cbICVlen = 8;//MIC
}
}
cbFrameSize = cbMACHdLen + cbIVlen + (cbFrameBodySize + cbMIClen) + cbICVlen + cbFCSlen;
if ((cbFrameSize > pDevice->wFragmentationThreshold) && (bNeedACK == true)) {
// Fragmentation
cbFragmentSize = pDevice->wFragmentationThreshold;
cbFragPayloadSize = cbFragmentSize - cbMACHdLen - cbIVlen - cbICVlen - cbFCSlen;
uMACfragNum = (unsigned short) ((cbFrameBodySize + cbMIClen) / cbFragPayloadSize);
cbLastFragPayloadSize = (cbFrameBodySize + cbMIClen) % cbFragPayloadSize;
if (cbLastFragPayloadSize == 0)
cbLastFragPayloadSize = cbFragPayloadSize;
else
uMACfragNum++;
}
return uMACfragNum;
}
void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb,
unsigned char *pbMPDU, unsigned int cbMPDULen)
{
PSTxDesc pFrstTD;
unsigned char byPktType;
unsigned char *pbyTxBufferAddr;
void *pvRTS;
void *pvCTS;
void *pvTxDataHd;
unsigned int uDuration;
unsigned int cbReqCount;
PS802_11Header pMACHeader;
unsigned int cbHeaderSize;
unsigned int cbFrameBodySize;
bool bNeedACK;
bool bIsPSPOLL = false;
PSTxBufHead pTxBufHead;
unsigned int cbFrameSize;
unsigned int cbIVlen = 0;
unsigned int cbICVlen = 0;
unsigned int cbMIClen = 0;
unsigned int cbFCSlen = 4;
unsigned int uPadding = 0;
unsigned int cbMICHDR = 0;
unsigned int uLength = 0;
u32 dwMICKey0, dwMICKey1;
u32 dwMIC_Priority;
u32 *pdwMIC_L;
u32 *pdwMIC_R;
unsigned short wTxBufSize;
unsigned int cbMacHdLen;
SEthernetHeader sEthHeader;
void *pvRrvTime;
void *pMICHDR;
PSMgmtObject pMgmt = pDevice->pMgmt;
unsigned short wCurrentRate = RATE_1M;
PUWLAN_80211HDR p80211Header;
unsigned int uNodeIndex = 0;
bool bNodeExist = false;
SKeyItem STempKey;
PSKeyItem pTransmitKey = NULL;
unsigned char *pbyIVHead;
unsigned char *pbyPayloadHead;
unsigned char *pbyMacHdr;
unsigned int cbExtSuppRate = 0;
pvRrvTime = pMICHDR = pvRTS = pvCTS = pvTxDataHd = NULL;
if (cbMPDULen <= WLAN_HDR_ADDR3_LEN)
cbFrameBodySize = 0;
else
cbFrameBodySize = cbMPDULen - WLAN_HDR_ADDR3_LEN;
p80211Header = (PUWLAN_80211HDR)pbMPDU;
pFrstTD = pDevice->apCurrTD[TYPE_TXDMA0];
pbyTxBufferAddr = (unsigned char *)pFrstTD->pTDInfo->buf;
pTxBufHead = (PSTxBufHead) pbyTxBufferAddr;
wTxBufSize = sizeof(STxBufHead);
memset(pTxBufHead, 0, wTxBufSize);
if (pDevice->eCurrentPHYType == PHY_TYPE_11A) {
wCurrentRate = RATE_6M;
byPktType = PK_TYPE_11A;
} else {
wCurrentRate = RATE_1M;
byPktType = PK_TYPE_11B;
}
// SetPower will cause error power TX state for OFDM Date packet in TX buffer.
// 2004.11.11 Kyle -- Using OFDM power to tx MngPkt will decrease the connection capability.
// And cmd timer will wait data pkt TX to finish before scanning so it's OK
// to set power here.
if (pDevice->pMgmt->eScanState != WMAC_NO_SCANNING)
RFbSetPower(pDevice, wCurrentRate, pDevice->byCurrentCh);
else
RFbSetPower(pDevice, wCurrentRate, pMgmt->uCurrChannel);
pTxBufHead->byTxPower = pDevice->byCurPwr;
//+++++++++++++++++++++ Patch VT3253 A1 performance +++++++++++++++++++++++++++
if (pDevice->byFOETuning) {
if ((p80211Header->sA3.wFrameCtl & TYPE_DATE_NULL) == TYPE_DATE_NULL) {
wCurrentRate = RATE_24M;
byPktType = PK_TYPE_11GA;
}
}
pr_debug("vDMA0_tx_80211: p80211Header->sA3.wFrameCtl = %x\n",
p80211Header->sA3.wFrameCtl);
//Set packet type
if (byPktType == PK_TYPE_11A) {//0000 0000 0000 0000
pTxBufHead->wFIFOCtl = 0;
} else if (byPktType == PK_TYPE_11B) {//0000 0001 0000 0000
pTxBufHead->wFIFOCtl |= FIFOCTL_11B;
} else if (byPktType == PK_TYPE_11GB) {//0000 0010 0000 0000
pTxBufHead->wFIFOCtl |= FIFOCTL_11GB;
} else if (byPktType == PK_TYPE_11GA) {//0000 0011 0000 0000
pTxBufHead->wFIFOCtl |= FIFOCTL_11GA;
}
pTxBufHead->wFIFOCtl |= FIFOCTL_TMOEN;
pTxBufHead->wTimeStamp = cpu_to_le16(DEFAULT_MGN_LIFETIME_RES_64us);
if (is_multicast_ether_addr(&(p80211Header->sA3.abyAddr1[0]))) {
bNeedACK = false;
if (pDevice->bEnableHostWEP) {
uNodeIndex = 0;
bNodeExist = true;
}
} else {
if (pDevice->bEnableHostWEP) {
if (BSSDBbIsSTAInNodeDB(pDevice->pMgmt, (unsigned char *)(p80211Header->sA3.abyAddr1), &uNodeIndex))
bNodeExist = true;
}
bNeedACK = true;
pTxBufHead->wFIFOCtl |= FIFOCTL_NEEDACK;
}
if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) ||
(pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)) {
pTxBufHead->wFIFOCtl |= FIFOCTL_LRETRY;
}
pTxBufHead->wFIFOCtl |= (FIFOCTL_GENINT | FIFOCTL_ISDMA0);
if ((p80211Header->sA4.wFrameCtl & TYPE_SUBTYPE_MASK) == TYPE_CTL_PSPOLL) {
bIsPSPOLL = true;
cbMacHdLen = WLAN_HDR_ADDR2_LEN;
} else {
cbMacHdLen = WLAN_HDR_ADDR3_LEN;
}
// hostapd deamon ext support rate patch
if (WLAN_GET_FC_FSTYPE(p80211Header->sA4.wFrameCtl) == WLAN_FSTYPE_ASSOCRESP) {
if (((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates)->len != 0)
cbExtSuppRate += ((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates)->len + WLAN_IEHDR_LEN;
if (((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates)->len != 0)
cbExtSuppRate += ((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates)->len + WLAN_IEHDR_LEN;
if (cbExtSuppRate > 0)
cbFrameBodySize = WLAN_ASSOCRESP_OFF_SUPP_RATES;
}
//Set FRAGCTL_MACHDCNT
pTxBufHead->wFragCtl |= cpu_to_le16((unsigned short)cbMacHdLen << 10);
// Notes:
// Although spec says MMPDU can be fragmented; In most cases,
// no one will send a MMPDU under fragmentation. With RTS may occur.
pDevice->bAES = false; //Set FRAGCTL_WEPTYP
if (WLAN_GET_FC_ISWEP(p80211Header->sA4.wFrameCtl) != 0) {
if (pDevice->eEncryptionStatus == Ndis802_11Encryption1Enabled) {
cbIVlen = 4;
cbICVlen = 4;
pTxBufHead->wFragCtl |= FRAGCTL_LEGACY;
} else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) {
cbIVlen = 8;//IV+ExtIV
cbMIClen = 8;
cbICVlen = 4;
pTxBufHead->wFragCtl |= FRAGCTL_TKIP;
//We need to get seed here for filling TxKey entry.
} else if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) {
cbIVlen = 8;//RSN Header
cbICVlen = 8;//MIC
cbMICHDR = sizeof(struct vnt_mic_hdr);
pTxBufHead->wFragCtl |= FRAGCTL_AES;
pDevice->bAES = true;
}
//MAC Header should be padding 0 to DW alignment.
uPadding = 4 - (cbMacHdLen%4);
uPadding %= 4;
}
cbFrameSize = cbMacHdLen + cbFrameBodySize + cbIVlen + cbMIClen + cbICVlen + cbFCSlen + cbExtSuppRate;
//Set FIFOCTL_GrpAckPolicy
if (pDevice->bGrpAckPolicy == true) //0000 0100 0000 0000
pTxBufHead->wFIFOCtl |= FIFOCTL_GRPACK;
//the rest of pTxBufHead->wFragCtl:FragTyp will be set later in s_vFillFragParameter()
if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {//802.11g packet
pvRrvTime = (void *)(pbyTxBufferAddr + wTxBufSize);
pMICHDR = (struct vnt_mic_hdr *)(pbyTxBufferAddr + wTxBufSize +
sizeof(struct vnt_rrv_time_cts));
pvRTS = NULL;
pvCTS = (struct vnt_cts *)(pbyTxBufferAddr + wTxBufSize +
sizeof(struct vnt_rrv_time_cts) + cbMICHDR);
pvTxDataHd = (void *)(pbyTxBufferAddr + wTxBufSize +
sizeof(struct vnt_rrv_time_cts) + cbMICHDR + sizeof(struct vnt_cts));
cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_cts) +
cbMICHDR + sizeof(struct vnt_cts) + sizeof(struct vnt_tx_datahead_g);
} else {//802.11a/b packet
pvRrvTime = (void *)(pbyTxBufferAddr + wTxBufSize);
pMICHDR = (struct vnt_mic_hdr *) (pbyTxBufferAddr +
wTxBufSize + sizeof(struct vnt_rrv_time_ab));
pvRTS = NULL;
pvCTS = NULL;
pvTxDataHd = (void *)(pbyTxBufferAddr +
wTxBufSize + sizeof(struct vnt_rrv_time_ab) + cbMICHDR);
cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_ab) +
cbMICHDR + sizeof(struct vnt_tx_datahead_ab);
}
memset((void *)(pbyTxBufferAddr + wTxBufSize), 0, (cbHeaderSize - wTxBufSize));
ether_addr_copy(&(sEthHeader.abyDstAddr[0]),
&(p80211Header->sA3.abyAddr1[0]));
ether_addr_copy(&(sEthHeader.abySrcAddr[0]),
&(p80211Header->sA3.abyAddr2[0]));
//=========================
// No Fragmentation
//=========================
pTxBufHead->wFragCtl |= (unsigned short)FRAGCTL_NONFRAG;
//Fill FIFO,RrvTime,RTS,and CTS
s_vGenerateTxParameter(pDevice, byPktType, pbyTxBufferAddr, pvRrvTime, pvRTS, pvCTS,
cbFrameSize, bNeedACK, TYPE_TXDMA0, &sEthHeader, wCurrentRate);
//Fill DataHead
uDuration = s_uFillDataHead(pDevice, byPktType, pvTxDataHd, cbFrameSize, TYPE_TXDMA0, bNeedACK,
0, 0, 1, AUTO_FB_NONE, wCurrentRate, false);
pMACHeader = (PS802_11Header) (pbyTxBufferAddr + cbHeaderSize);
cbReqCount = cbHeaderSize + cbMacHdLen + uPadding + cbIVlen + (cbFrameBodySize + cbMIClen) + cbExtSuppRate;
pbyMacHdr = (unsigned char *)(pbyTxBufferAddr + cbHeaderSize);
pbyPayloadHead = (unsigned char *)(pbyMacHdr + cbMacHdLen + uPadding + cbIVlen);
pbyIVHead = (unsigned char *)(pbyMacHdr + cbMacHdLen + uPadding);
// Copy the Packet into a tx Buffer
memcpy(pbyMacHdr, pbMPDU, cbMacHdLen);
// version set to 0, patch for hostapd deamon
pMACHeader->wFrameCtl &= cpu_to_le16(0xfffc);
memcpy(pbyPayloadHead, (pbMPDU + cbMacHdLen), cbFrameBodySize);
// replace support rate, patch for hostapd deamon(only support 11M)
if (WLAN_GET_FC_FSTYPE(p80211Header->sA4.wFrameCtl) == WLAN_FSTYPE_ASSOCRESP) {
if (cbExtSuppRate != 0) {
if (((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates)->len != 0)
memcpy((pbyPayloadHead + cbFrameBodySize),
pMgmt->abyCurrSuppRates,
((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates)->len + WLAN_IEHDR_LEN
);
if (((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates)->len != 0)
memcpy((pbyPayloadHead + cbFrameBodySize) + ((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates)->len + WLAN_IEHDR_LEN,
pMgmt->abyCurrExtSuppRates,
((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates)->len + WLAN_IEHDR_LEN
);
}
}
// Set wep
if (WLAN_GET_FC_ISWEP(p80211Header->sA4.wFrameCtl) != 0) {
if (pDevice->bEnableHostWEP) {
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
);
}
if ((pTransmitKey != NULL) && (pTransmitKey->byCipherSuite == KEY_CTL_TKIP)) {
dwMICKey0 = *(u32 *)(&pTransmitKey->abyKey[16]);
dwMICKey1 = *(u32 *)(&pTransmitKey->abyKey[20]);
// DO Software Michael
MIC_vInit(dwMICKey0, dwMICKey1);
MIC_vAppend((unsigned char *)&(sEthHeader.abyDstAddr[0]), 12);
dwMIC_Priority = 0;
MIC_vAppend((unsigned char *)&dwMIC_Priority, 4);
pr_debug("DMA0_tx_8021:MIC KEY: %X, %X\n",
dwMICKey0, dwMICKey1);
uLength = cbHeaderSize + cbMacHdLen + uPadding + cbIVlen;
MIC_vAppend((pbyTxBufferAddr + uLength), cbFrameBodySize);
pdwMIC_L = (u32 *)(pbyTxBufferAddr + uLength + cbFrameBodySize);
pdwMIC_R = (u32 *)(pbyTxBufferAddr + uLength + cbFrameBodySize + 4);
MIC_vGetMIC(pdwMIC_L, pdwMIC_R);
MIC_vUnInit();
if (pDevice->bTxMICFail == true) {
*pdwMIC_L = 0;
*pdwMIC_R = 0;
pDevice->bTxMICFail = false;
}
pr_debug("uLength: %d, %d\n", uLength, cbFrameBodySize);
pr_debug("cbReqCount:%d, %d, %d, %d\n",
cbReqCount, cbHeaderSize, uPadding, cbIVlen);
pr_debug("MIC:%x, %x\n", *pdwMIC_L, *pdwMIC_R);
}
s_vFillTxKey(pDevice, (unsigned char *)(pTxBufHead->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;
}
if ((pDevice->byLocalID <= REV_ID_VT3253_A1))
s_vSWencryption(pDevice, pTransmitKey, pbyPayloadHead, (unsigned short)(cbFrameBodySize + cbMIClen));
}
pMACHeader->wSeqCtl = cpu_to_le16(pDevice->wSeqCounter << 4);
pDevice->wSeqCounter++;
if (pDevice->wSeqCounter > 0x0fff)
pDevice->wSeqCounter = 0;
if (bIsPSPOLL) {
// The MAC will automatically replace the Duration-field of MAC header by Duration-field
// of FIFO control header.
// This will cause AID-field of PS-POLL packet be incorrect (Because PS-POLL's AID field is
// in the same place of other packet's Duration-field).
// And it will cause Cisco-AP to issue Disassociation-packet
if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {
((struct vnt_tx_datahead_g *)pvTxDataHd)->duration_a = cpu_to_le16(p80211Header->sA2.wDurationID);
((struct vnt_tx_datahead_g *)pvTxDataHd)->duration_b = cpu_to_le16(p80211Header->sA2.wDurationID);
} else {
((struct vnt_tx_datahead_ab *)pvTxDataHd)->duration = cpu_to_le16(p80211Header->sA2.wDurationID);
}
}
// first TD is the only TD
//Set TSR1 & ReqCount in TxDescHead
pFrstTD->pTDInfo->skb = skb;
pFrstTD->m_td1TD1.byTCR = (TCR_STP | TCR_EDP | EDMSDU);
pFrstTD->pTDInfo->skb_dma = pFrstTD->pTDInfo->buf_dma;
pFrstTD->m_td1TD1.wReqCount = cpu_to_le16(cbReqCount);
pFrstTD->buff_addr = cpu_to_le32(pFrstTD->pTDInfo->skb_dma);
pFrstTD->pTDInfo->byFlags = 0;
pFrstTD->pTDInfo->byFlags |= TD_FLAGS_PRIV_SKB;
if (MACbIsRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_PS)) {
// Disable PS
MACbPSWakeup(pDevice->PortOffset);
}
pDevice->bPWBitOn = false;
wmb();
pFrstTD->m_td0TD0.f1Owner = OWNED_BY_NIC;
wmb();
pDevice->iTDUsed[TYPE_TXDMA0]++;
if (AVAIL_TD(pDevice, TYPE_TXDMA0) <= 1)
pr_debug(" available td0 <= 1\n");
pDevice->apCurrTD[TYPE_TXDMA0] = pFrstTD->next;
// Poll Transmit the adapter
MACvTransmit0(pDevice->PortOffset);
}
static void vnt_fill_txkey(struct ieee80211_hdr *hdr, u8 *key_buffer,
struct ieee80211_key_conf *tx_key,
struct sk_buff *skb, u16 payload_len,
......
drivers/staging/vt6655/rxtx.h
View file @ d829163f
......@@ -189,40 +189,6 @@ struct vnt_tx_short_buf_head {
__le16 time_stamp_off;
} __packed;
void
vGenerateMACHeader(
struct vnt_private *,
unsigned char *pbyBufferAddr,
unsigned short wDuration,
PSEthernetHeader psEthHeader,
bool bNeedEncrypt,
unsigned short wFragType,
unsigned int uDMAIdx,
unsigned int uFragIdx
);
unsigned int
cbGetFragCount(
struct vnt_private *,
PSKeyItem pTransmitKey,
unsigned int cbFrameBodySize,
PSEthernetHeader psEthHeader
);
void
vGenerateFIFOHeader(struct vnt_private *, unsigned char byPktTyp,
unsigned char *pbyTxBufferAddr, bool bNeedEncrypt,
unsigned int cbPayloadSize, unsigned int uDMAIdx,
PSTxDesc pHeadTD, PSEthernetHeader psEthHeader,
unsigned char *pPacket, PSKeyItem pTransmitKey,
unsigned int uNodeIndex, unsigned int *puMACfragNum,
unsigned int *pcbHeaderSize);
void vDMA0_tx_80211(struct vnt_private *, struct sk_buff *skb,
unsigned char *pbMPDU, unsigned int cbMPDULen);
CMD_STATUS csMgmt_xmit(struct vnt_private *, PSTxMgmtPacket pPacket);
CMD_STATUS csBeacon_xmit(struct vnt_private *, PSTxMgmtPacket pPacket);
int vnt_generate_fifo_header(struct vnt_private *, u32,
PSTxDesc head_td, struct sk_buff *);
int vnt_beacon_make(struct vnt_private *, struct ieee80211_vif *);
......
drivers/staging/vt6655/wroute.c
View file @ d829163f
......@@ -66,12 +66,11 @@ bool ROUTEbRelay(struct vnt_private *pDevice, unsigned char *pbySkbData,
PSMgmtObject pMgmt = pDevice->pMgmt;
PSTxDesc pHeadTD, pLastTD;
unsigned int cbFrameBodySize;
unsigned int uMACfragNum;
unsigned int uMACfragNum = 0;
unsigned char byPktType;
bool bNeedEncryption = false;
SKeyItem STempKey;
PSKeyItem pTransmitKey = NULL;
unsigned int cbHeaderSize;
unsigned int ii;
unsigned char *pbyBSSID;
......@@ -120,9 +119,6 @@ bool ROUTEbRelay(struct vnt_private *pDevice, unsigned char *pbySkbData,
}
}
uMACfragNum = cbGetFragCount(pDevice, pTransmitKey,
cbFrameBodySize, &pDevice->sTxEthHeader);
if (uMACfragNum > AVAIL_TD(pDevice, TYPE_AC0DMA))
return false;
......@@ -152,12 +148,6 @@ bool ROUTEbRelay(struct vnt_private *pDevice, unsigned char *pbySkbData,
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);
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7