#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(
/*--------------------- 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]
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,
projects / firefly-linux-kernel-4.4.55.git / commitdiff