diff options
Diffstat (limited to 'drivers/staging/vt6655/rxtx.c')
| -rw-r--r-- | drivers/staging/vt6655/rxtx.c | 2845 |
1 files changed, 2845 insertions, 0 deletions
diff --git a/drivers/staging/vt6655/rxtx.c b/drivers/staging/vt6655/rxtx.c new file mode 100644 index 00000000000..2219d71885a --- /dev/null +++ b/drivers/staging/vt6655/rxtx.c @@ -0,0 +1,2845 @@ +/* + * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * File: rxtx.c + * + * Purpose: handle WMAC/802.3/802.11 rx & tx functions + * + * Author: Lyndon Chen + * + * Date: May 20, 2003 + * + * Functions: + * s_vGenerateTxParameter - Generate tx dma required parameter. + * vGenerateMACHeader - Translate 802.3 to 802.11 header + * cbGetFragCount - Calculate fragment number count + * csBeacon_xmit - beacon tx function + * csMgmt_xmit - management tx function + * s_cbFillTxBufHead - fulfill tx dma buffer header + * s_uGetDataDuration - get tx data required duration + * s_uFillDataHead- fulfill tx data duration header + * s_uGetRTSCTSDuration- get rtx/cts required duration + * s_uGetRTSCTSRsvTime- get rts/cts reserved time + * s_uGetTxRsvTime- get frame reserved time + * s_vFillCTSHead- fulfill CTS ctl header + * s_vFillFragParameter- Set fragment ctl parameter. + * s_vFillRTSHead- fulfill RTS ctl header + * s_vFillTxKey- fulfill tx encrypt key + * s_vSWencryption- Software encrypt header + * vDMA0_tx_80211- tx 802.11 frame via dma0 + * vGenerateFIFOHeader- Generate tx FIFO ctl header + * + * Revision History: + * + */ + +#include "device.h" +#include "rxtx.h" +#include "tether.h" +#include "card.h" +#include "bssdb.h" +#include "mac.h" +#include "baseband.h" +#include "michael.h" +#include "tkip.h" +#include "tcrc.h" +#include "wctl.h" +#include "wroute.h" +#include "hostap.h" +#include "rf.h" + +/*--------------------- Static Definitions -------------------------*/ + +/*--------------------- Static Classes ----------------------------*/ + +/*--------------------- Static Variables --------------------------*/ +static int msglevel = MSG_LEVEL_INFO; + +#define PLICE_DEBUG + +/*--------------------- Static Functions --------------------------*/ + +/*--------------------- Static Definitions -------------------------*/ +#define CRITICAL_PACKET_LEN 256 // if packet size < 256 -> in-direct send + // packet size >= 256 -> direct send + +const unsigned short wTimeStampOff[2][MAX_RATE] = { + {384, 288, 226, 209, 54, 43, 37, 31, 28, 25, 24, 23}, // Long Preamble + {384, 192, 130, 113, 54, 43, 37, 31, 28, 25, 24, 23}, // Short Preamble +}; + +const unsigned short wFB_Opt0[2][5] = { + {RATE_12M, RATE_18M, RATE_24M, RATE_36M, RATE_48M}, // fallback_rate0 + {RATE_12M, RATE_12M, RATE_18M, RATE_24M, RATE_36M}, // fallback_rate1 +}; +const unsigned short wFB_Opt1[2][5] = { + {RATE_12M, RATE_18M, RATE_24M, RATE_24M, RATE_36M}, // fallback_rate0 + {RATE_6M , RATE_6M, RATE_12M, RATE_12M, RATE_18M}, // fallback_rate1 +}; + +#define RTSDUR_BB 0 +#define RTSDUR_BA 1 +#define RTSDUR_AA 2 +#define CTSDUR_BA 3 +#define RTSDUR_BA_F0 4 +#define RTSDUR_AA_F0 5 +#define RTSDUR_BA_F1 6 +#define RTSDUR_AA_F1 7 +#define CTSDUR_BA_F0 8 +#define CTSDUR_BA_F1 9 +#define DATADUR_B 10 +#define DATADUR_A 11 +#define DATADUR_A_F0 12 +#define DATADUR_A_F1 13 + +/*--------------------- Static Functions --------------------------*/ + +static +void +s_vFillTxKey( + PSDevice pDevice, + unsigned char *pbyBuf, + unsigned char *pbyIVHead, + PSKeyItem pTransmitKey, + unsigned char *pbyHdrBuf, + unsigned short wPayloadLen, + unsigned char *pMICHDR +); + +static +void +s_vFillRTSHead( + PSDevice pDevice, + unsigned char byPktType, + void *pvRTS, + unsigned int cbFrameLength, + bool bNeedAck, + bool bDisCRC, + PSEthernetHeader psEthHeader, + unsigned short wCurrentRate, + unsigned char byFBOption +); + +static +void +s_vGenerateTxParameter( + PSDevice pDevice, + unsigned char byPktType, + void *pTxBufHead, + void *pvRrvTime, + void *pvRTS, + void *pvCTS, + unsigned int cbFrameSize, + bool bNeedACK, + unsigned int uDMAIdx, + PSEthernetHeader psEthHeader, + unsigned short wCurrentRate +); + +static void s_vFillFragParameter( + PSDevice pDevice, + unsigned char *pbyBuffer, + unsigned int uTxType, + void *pvtdCurr, + unsigned short wFragType, + unsigned int cbReqCount +); + +static unsigned int +s_cbFillTxBufHead(PSDevice pDevice, unsigned char byPktType, unsigned char *pbyTxBufferAddr, + unsigned int cbFrameBodySize, unsigned int uDMAIdx, PSTxDesc pHeadTD, + PSEthernetHeader psEthHeader, unsigned char *pPacket, bool bNeedEncrypt, + PSKeyItem pTransmitKey, unsigned int uNodeIndex, unsigned int *puMACfragNum); + +static +unsigned int +s_uFillDataHead( + PSDevice pDevice, + unsigned char byPktType, + void *pTxDataHead, + unsigned int cbFrameLength, + unsigned int uDMAIdx, + bool bNeedAck, + unsigned int uFragIdx, + unsigned int cbLastFragmentSize, + unsigned int uMACfragNum, + unsigned char byFBOption, + unsigned short wCurrentRate +); + +/*--------------------- Export Variables --------------------------*/ + +static +void +s_vFillTxKey( + PSDevice pDevice, + unsigned char *pbyBuf, + unsigned char *pbyIVHead, + PSKeyItem pTransmitKey, + unsigned char *pbyHdrBuf, + unsigned short wPayloadLen, + unsigned char *pMICHDR +) +{ + unsigned long *pdwIV = (unsigned long *)pbyIVHead; + unsigned long *pdwExtIV = (unsigned long *)((unsigned char *)pbyIVHead+4); + unsigned short wValue; + 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); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "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); + + //Fill MICHDR0 + *pMICHDR = 0x59; + *((unsigned char *)(pMICHDR+1)) = 0; // TxPriority + memcpy(pMICHDR+2, &(pMACHeader->abyAddr2[0]), 6); + *((unsigned char *)(pMICHDR+8)) = HIBYTE(HIWORD(pTransmitKey->dwTSC47_16)); + *((unsigned char *)(pMICHDR+9)) = LOBYTE(HIWORD(pTransmitKey->dwTSC47_16)); + *((unsigned char *)(pMICHDR+10)) = HIBYTE(LOWORD(pTransmitKey->dwTSC47_16)); + *((unsigned char *)(pMICHDR+11)) = LOBYTE(LOWORD(pTransmitKey->dwTSC47_16)); + *((unsigned char *)(pMICHDR+12)) = HIBYTE(pTransmitKey->wTSC15_0); + *((unsigned char *)(pMICHDR+13)) = LOBYTE(pTransmitKey->wTSC15_0); + *((unsigned char *)(pMICHDR+14)) = HIBYTE(wPayloadLen); + *((unsigned char *)(pMICHDR+15)) = LOBYTE(wPayloadLen); + + //Fill MICHDR1 + *((unsigned char *)(pMICHDR+16)) = 0; // HLEN[15:8] + if (pDevice->bLongHeader) + *((unsigned char *)(pMICHDR+17)) = 28; // HLEN[7:0] + else + *((unsigned char *)(pMICHDR+17)) = 22; // HLEN[7:0] + + wValue = cpu_to_le16(pMACHeader->wFrameCtl & 0xC78F); + memcpy(pMICHDR+18, (unsigned char *)&wValue, 2); // MSKFRACTL + memcpy(pMICHDR+20, &(pMACHeader->abyAddr1[0]), 6); + memcpy(pMICHDR+26, &(pMACHeader->abyAddr2[0]), 6); + + //Fill MICHDR2 + memcpy(pMICHDR+32, &(pMACHeader->abyAddr3[0]), 6); + wValue = pMACHeader->wSeqCtl; + wValue &= 0x000F; + wValue = cpu_to_le16(wValue); + memcpy(pMICHDR+38, (unsigned char *)&wValue, 2); // MSKSEQCTL + if (pDevice->bLongHeader) + memcpy(pMICHDR+40, &(pMACHeader->abyAddr4[0]), 6); + + } +} + +static +void +s_vSWencryption( + PSDevice 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); + //======================================================================= + } +} + +/*byPktType : PK_TYPE_11A 0 + PK_TYPE_11B 1 + PK_TYPE_11GB 2 + PK_TYPE_11GA 3 +*/ +static +unsigned int +s_uGetTxRsvTime( + PSDevice pDevice, + unsigned char byPktType, + unsigned int cbFrameLength, + unsigned short wRate, + bool bNeedAck +) +{ + unsigned int uDataTime, uAckTime; + + uDataTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, cbFrameLength, wRate); + if (byPktType == PK_TYPE_11B) //llb,CCK mode + uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, (unsigned short)pDevice->byTopCCKBasicRate); + else //11g 2.4G OFDM mode & 11a 5G OFDM mode + uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, (unsigned short)pDevice->byTopOFDMBasicRate); + + if (bNeedAck) + return uDataTime + pDevice->uSIFS + uAckTime; + else + return uDataTime; +} + +//byFreqType: 0=>5GHZ 1=>2.4GHZ +static +unsigned int +s_uGetRTSCTSRsvTime( + PSDevice pDevice, + unsigned char byRTSRsvType, + unsigned char byPktType, + unsigned int cbFrameLength, + unsigned short wCurrentRate +) +{ + unsigned int uRrvTime , uRTSTime, uCTSTime, uAckTime, uDataTime; + + uRrvTime = uRTSTime = uCTSTime = uAckTime = uDataTime = 0; + + uDataTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, cbFrameLength, wCurrentRate); + if (byRTSRsvType == 0) { //RTSTxRrvTime_bb + uRTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 20, pDevice->byTopCCKBasicRate); + uCTSTime = uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate); + } else if (byRTSRsvType == 1) { //RTSTxRrvTime_ba, only in 2.4GHZ + uRTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 20, pDevice->byTopCCKBasicRate); + uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate); + uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); + } else if (byRTSRsvType == 2) { //RTSTxRrvTime_aa + uRTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 20, pDevice->byTopOFDMBasicRate); + uCTSTime = uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); + } else if (byRTSRsvType == 3) { //CTSTxRrvTime_ba, only in 2.4GHZ + uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate); + uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); + uRrvTime = uCTSTime + uAckTime + uDataTime + 2*pDevice->uSIFS; + return uRrvTime; + } + + //RTSRrvTime + uRrvTime = uRTSTime + uCTSTime + uAckTime + uDataTime + 3*pDevice->uSIFS; + return uRrvTime; +} + +//byFreqType 0: 5GHz, 1:2.4Ghz +static +unsigned int +s_uGetDataDuration( + PSDevice pDevice, + unsigned char byDurType, + unsigned int cbFrameLength, + unsigned char byPktType, + unsigned short wRate, + bool bNeedAck, + unsigned int uFragIdx, + unsigned int cbLastFragmentSize, + unsigned int uMACfragNum, + unsigned char byFBOption +) +{ + bool bLastFrag = 0; + unsigned int uAckTime = 0, uNextPktTime = 0; + + if (uFragIdx == (uMACfragNum-1)) + bLastFrag = 1; + + switch (byDurType) { + case DATADUR_B: //DATADUR_B + if (((uMACfragNum == 1)) || bLastFrag) {//Non Frag or Last Frag + if (bNeedAck) { + uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate); + return pDevice->uSIFS + uAckTime; + } else { + return 0; + } + } else {//First Frag or Mid Frag + if (uFragIdx == (uMACfragNum-2)) + uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbLastFragmentSize, wRate, bNeedAck); + else + uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck); + + if (bNeedAck) { + uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate); + return pDevice->uSIFS + uAckTime + uNextPktTime; + } else { + return pDevice->uSIFS + uNextPktTime; + } + } + break; + + case DATADUR_A: //DATADUR_A + if (((uMACfragNum == 1)) || bLastFrag) {//Non Frag or Last Frag + if (bNeedAck) { + uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); + return pDevice->uSIFS + uAckTime; + } else { + return 0; + } + } else {//First Frag or Mid Frag + if (uFragIdx == (uMACfragNum-2)) + uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbLastFragmentSize, wRate, bNeedAck); + else + uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck); + + if (bNeedAck) { + uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); + return pDevice->uSIFS + uAckTime + uNextPktTime; + } else { + return pDevice->uSIFS + uNextPktTime; + } + } + break; + + case DATADUR_A_F0: //DATADUR_A_F0 + if (((uMACfragNum == 1)) || bLastFrag) {//Non Frag or Last Frag + if (bNeedAck) { + uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); + return pDevice->uSIFS + uAckTime; + } else { + return 0; + } + } else { //First Frag or Mid Frag + if (byFBOption == AUTO_FB_0) { + if (wRate < RATE_18M) + wRate = RATE_18M; + else if (wRate > RATE_54M) + wRate = RATE_54M; + + if (uFragIdx == (uMACfragNum-2)) + uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbLastFragmentSize, wFB_Opt0[FB_RATE0][wRate-RATE_18M], bNeedAck); + else + uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE0][wRate-RATE_18M], bNeedAck); + + } else { // (byFBOption == AUTO_FB_1) + if (wRate < RATE_18M) + wRate = RATE_18M; + else if (wRate > RATE_54M) + wRate = RATE_54M; + + if (uFragIdx == (uMACfragNum-2)) + uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbLastFragmentSize, wFB_Opt1[FB_RATE0][wRate-RATE_18M], bNeedAck); + else + uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE0][wRate-RATE_18M], bNeedAck); + + } + + if (bNeedAck) { + uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); + return pDevice->uSIFS + uAckTime + uNextPktTime; + } else { + return pDevice->uSIFS + uNextPktTime; + } + } + break; + + case DATADUR_A_F1: //DATADUR_A_F1 + if (((uMACfragNum == 1)) || bLastFrag) {//Non Frag or Last Frag + if (bNeedAck) { + uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); + return pDevice->uSIFS + uAckTime; + } else { + return 0; + } + } else { //First Frag or Mid Frag + if (byFBOption == AUTO_FB_0) { + if (wRate < RATE_18M) + wRate = RATE_18M; + else if (wRate > RATE_54M) + wRate = RATE_54M; + + if (uFragIdx == (uMACfragNum-2)) + uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbLastFragmentSize, wFB_Opt0[FB_RATE1][wRate-RATE_18M], bNeedAck); + else + uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE1][wRate-RATE_18M], bNeedAck); + + } else { // (byFBOption == AUTO_FB_1) + if (wRate < RATE_18M) + wRate = RATE_18M; + else if (wRate > RATE_54M) + wRate = RATE_54M; + + if (uFragIdx == (uMACfragNum-2)) + uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbLastFragmentSize, wFB_Opt1[FB_RATE1][wRate-RATE_18M], bNeedAck); + else + uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE1][wRate-RATE_18M], bNeedAck); + } + if (bNeedAck) { + uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); + return pDevice->uSIFS + uAckTime + uNextPktTime; + } else { + return pDevice->uSIFS + uNextPktTime; + } + } + break; + + default: + break; + } + + ASSERT(false); + return 0; +} + +//byFreqType: 0=>5GHZ 1=>2.4GHZ +static +unsigned int +s_uGetRTSCTSDuration( + PSDevice pDevice, + unsigned char byDurType, + unsigned int cbFrameLength, + unsigned char byPktType, + unsigned short wRate, + bool bNeedAck, + unsigned char byFBOption +) +{ + unsigned int uCTSTime = 0, uDurTime = 0; + + switch (byDurType) { + case RTSDUR_BB: //RTSDuration_bb + uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate); + uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck); + break; + + case RTSDUR_BA: //RTSDuration_ba + uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate); + uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck); + break; + + case RTSDUR_AA: //RTSDuration_aa + uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); + uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck); + break; + + case CTSDUR_BA: //CTSDuration_ba + uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck); + break; + + case RTSDUR_BA_F0: //RTSDuration_ba_f0 + uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate); + if ((byFBOption == AUTO_FB_0) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) + uDurTime = uCTSTime + 2 * pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE0][wRate-RATE_18M], bNeedAck); + else if ((byFBOption == AUTO_FB_1) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) + uDurTime = uCTSTime + 2 * pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE0][wRate-RATE_18M], bNeedAck); + + break; + + case RTSDUR_AA_F0: //RTSDuration_aa_f0 + uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); + if ((byFBOption == AUTO_FB_0) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) + uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE0][wRate-RATE_18M], bNeedAck); + else if ((byFBOption == AUTO_FB_1) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) + uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE0][wRate-RATE_18M], bNeedAck); + + break; + + case RTSDUR_BA_F1: //RTSDuration_ba_f1 + uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate); + if ((byFBOption == AUTO_FB_0) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) + uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE1][wRate-RATE_18M], bNeedAck); + else if ((byFBOption == AUTO_FB_1) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) + uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE1][wRate-RATE_18M], bNeedAck); + + break; + + case RTSDUR_AA_F1: //RTSDuration_aa_f1 + uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); + if ((byFBOption == AUTO_FB_0) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) + uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE1][wRate-RATE_18M], bNeedAck); + else if ((byFBOption == AUTO_FB_1) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) + uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE1][wRate-RATE_18M], bNeedAck); + + break; + + case CTSDUR_BA_F0: //CTSDuration_ba_f0 + if ((byFBOption == AUTO_FB_0) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) + uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE0][wRate-RATE_18M], bNeedAck); + else if ((byFBOption == AUTO_FB_1) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) + uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE0][wRate-RATE_18M], bNeedAck); + + break; + + case CTSDUR_BA_F1: //CTSDuration_ba_f1 + if ((byFBOption == AUTO_FB_0) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) + uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE1][wRate-RATE_18M], bNeedAck); + else if ((byFBOption == AUTO_FB_1) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) + uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE1][wRate-RATE_18M], bNeedAck); + + break; + + default: + break; + } + + return uDurTime; +} + +static +unsigned int +s_uFillDataHead( + PSDevice pDevice, + unsigned char byPktType, + void *pTxDataHead, + unsigned int cbFrameLength, + unsigned int uDMAIdx, + bool bNeedAck, + unsigned int uFragIdx, + unsigned int cbLastFragmentSize, + unsigned int uMACfragNum, + unsigned char byFBOption, + unsigned short wCurrentRate +) +{ + unsigned short wLen = 0x0000; + + if (pTxDataHead == NULL) + return 0; + + + if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { + if (byFBOption == AUTO_FB_NONE) { + PSTxDataHead_g pBuf = (PSTxDataHead_g)pTxDataHead; + //Get SignalField,ServiceField,Length + BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, + (unsigned short *)&(wLen), (unsigned char *)&(pBuf->byServiceField_a), (unsigned char *)&(pBuf->bySignalField_a) +); + pBuf->wTransmitLength_a = cpu_to_le16(wLen); + BBvCalculateParameter(pDevice, cbFrameLength, pDevice->byTopCCKBasicRate, PK_TYPE_11B, + (unsigned short *)&(wLen), (unsigned char *)&(pBuf->byServiceField_b), (unsigned char *)&(pBuf->bySignalField_b) +); + pBuf->wTransmitLength_b = cpu_to_le16(wLen); + //Get Duration and TimeStamp + pBuf->wDuration_a = cpu_to_le16((unsigned short)s_uGetDataDuration(pDevice, DATADUR_A, cbFrameLength, + byPktType, wCurrentRate, bNeedAck, uFragIdx, + cbLastFragmentSize, uMACfragNum, + byFBOption)); //1: 2.4GHz + pBuf->wDuration_b = cpu_to_le16((unsigned short)s_uGetDataDuration(pDevice, DATADUR_B, cbFrameLength, + PK_TYPE_11B, pDevice->byTopCCKBasicRate, + bNeedAck, uFragIdx, cbLastFragmentSize, + uMACfragNum, byFBOption)); //1: 2.4 + + pBuf->wTimeStampOff_a = cpu_to_le16(wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]); + pBuf->wTimeStampOff_b = cpu_to_le16(wTimeStampOff[pDevice->byPreambleType%2][pDevice->byTopCCKBasicRate%MAX_RATE]); + + return pBuf->wDuration_a; + } else { + // Auto Fallback + PSTxDataHead_g_FB pBuf = (PSTxDataHead_g_FB)pTxDataHead; + //Get SignalField,ServiceField,Length + BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, + (unsigned short *)&(wLen), (unsigned char *)&(pBuf->byServiceField_a), (unsigned char *)&(pBuf->bySignalField_a) +); + pBuf->wTransmitLength_a = cpu_to_le16(wLen); + BBvCalculateParameter(pDevice, cbFrameLength, pDevice->byTopCCKBasicRate, PK_TYPE_11B, + (unsigned short *)&(wLen), (unsigned char *)&(pBuf->byServiceField_b), (unsigned char *)&(pBuf->bySignalField_b) +); + pBuf->wTransmitLength_b = cpu_to_le16(wLen); + //Get Duration and TimeStamp + pBuf->wDuration_a = cpu_to_le16((unsigned short)s_uGetDataDuration(pDevice, DATADUR_A, cbFrameLength, byPktType, + wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption)); //1: 2.4GHz + pBuf->wDuration_b = cpu_to_le16((unsigned short)s_uGetDataDuration(pDevice, DATADUR_B, cbFrameLength, PK_TYPE_11B, + pDevice->byTopCCKBasicRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption)); //1: 2.4GHz + pBuf->wDuration_a_f0 = cpu_to_le16((unsigned short)s_uGetDataDuration(pDevice, DATADUR_A_F0, cbFrameLength, byPktType, + wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption)); //1: 2.4GHz + pBuf->wDuration_a_f1 = cpu_to_le16((unsigned short)s_uGetDataDuration(pDevice, DATADUR_A_F1, cbFrameLength, byPktType, + wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption)); //1: 2.4GHz + + pBuf->wTimeStampOff_a = cpu_to_le16(wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]); + pBuf->wTimeStampOff_b = cpu_to_le16(wTimeStampOff[pDevice->byPreambleType%2][pDevice->byTopCCKBasicRate%MAX_RATE]); + + return pBuf->wDuration_a; + } //if (byFBOption == AUTO_FB_NONE) + } else if (byPktType == PK_TYPE_11A) { + if ((byFBOption != AUTO_FB_NONE)) { + // Auto Fallback + PSTxDataHead_a_FB pBuf = (PSTxDataHead_a_FB)pTxDataHead; + //Get SignalField,ServiceField,Length + BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, + (unsigned short *)&(wLen), (unsigned char *)&(pBuf->byServiceField), (unsigned char *)&(pBuf->bySignalField) +); + pBuf->wTransmitLength = cpu_to_le16(wLen); + //Get Duration and TimeStampOff + + pBuf->wDuration = cpu_to_le16((unsigned short)s_uGetDataDuration(pDevice, DATADUR_A, cbFrameLength, byPktType, + wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption)); //0: 5GHz + pBuf->wDuration_f0 = cpu_to_le16((unsigned short)s_uGetDataDuration(pDevice, DATADUR_A_F0, cbFrameLength, byPktType, + wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption)); //0: 5GHz + pBuf->wDuration_f1 = cpu_to_le16((unsigned short)s_uGetDataDuration(pDevice, DATADUR_A_F1, cbFrameLength, byPktType, + wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption)); //0: 5GHz + pBuf->wTimeStampOff = cpu_to_le16(wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]); + return pBuf->wDuration; + } else { + PSTxDataHead_ab pBuf = (PSTxDataHead_ab)pTxDataHead; + //Get SignalField,ServiceField,Length + BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, + (unsigned short *)&(wLen), (unsigned char *)&(pBuf->byServiceField), (unsigned char *)&(pBuf->bySignalField) +); + pBuf->wTransmitLength = cpu_to_le16(wLen); + //Get Duration and TimeStampOff + + pBuf->wDuration = cpu_to_le16((unsigned short)s_uGetDataDuration(pDevice, DATADUR_A, cbFrameLength, byPktType, + wCurrentRate, bNeedAck, uFragIdx, + cbLastFragmentSize, uMACfragNum, + byFBOption)); + + pBuf->wTimeStampOff = cpu_to_le16(wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]); + return pBuf->wDuration; + } + } else { + PSTxDataHead_ab pBuf = (PSTxDataHead_ab)pTxDataHead; + //Get SignalField,ServiceField,Length + BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, + (unsigned short *)&(wLen), (unsigned char *)&(pBuf->byServiceField), (unsigned char *)&(pBuf->bySignalField) +); + pBuf->wTransmitLength = cpu_to_le16(wLen); + //Get Duration and TimeStampOff + pBuf->wDuration = cpu_to_le16((unsigned short)s_uGetDataDuration(pDevice, DATADUR_B, cbFrameLength, byPktType, + wCurrentRate, bNeedAck, uFragIdx, + cbLastFragmentSize, uMACfragNum, + byFBOption)); + pBuf->wTimeStampOff = cpu_to_le16(wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]); + return pBuf->wDuration; + } + return 0; +} + +static +void +s_vFillRTSHead( + PSDevice pDevice, + unsigned char byPktType, + void *pvRTS, + unsigned int cbFrameLength, + bool bNeedAck, + bool bDisCRC, + PSEthernetHeader psEthHeader, + unsigned short wCurrentRate, + unsigned char byFBOption +) +{ + unsigned int uRTSFrameLen = 20; + unsigned short wLen = 0x0000; + + if (pvRTS == NULL) + return; + + if (bDisCRC) { + // When CRCDIS bit is on, H/W forgot to generate FCS for RTS frame, + // in this case we need to decrease its length by 4. + uRTSFrameLen -= 4; + } + + // Note: So far RTSHead dosen't appear in ATIM & Beacom DMA, so we don't need to take them into account. + // Otherwise, we need to modify codes for them. + if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { + if (byFBOption == AUTO_FB_NONE) { + PSRTS_g pBuf = (PSRTS_g)pvRTS; + //Get SignalField,ServiceField,Length + BBvCalculateParameter(pDevice, uRTSFrameLen, pDevice->byTopCCKBasicRate, PK_TYPE_11B, + (unsigned short *)&(wLen), (unsigned char *)&(pBuf->byServiceField_b), (unsigned char *)&(pBuf->bySignalField_b) +); + pBuf->wTransmitLength_b = cpu_to_le16(wLen); + BBvCalculateParameter(pDevice, uRTSFrameLen, pDevice->byTopOFDMBasicRate, byPktType, + (unsigned short *)&(wLen), (unsigned char *)&(pBuf->byServiceField_a), (unsigned char *)&(pBuf->bySignalField_a) +); + pBuf->wTransmitLength_a = cpu_to_le16(wLen); + //Get Duration + pBuf->wDuration_bb = cpu_to_le16((unsigned short)s_uGetRTSCTSDuration(pDevice, RTSDUR_BB, cbFrameLength, PK_TYPE_11B, pDevice->byTopCCKBasicRate, bNeedAck, byFBOption)); //0:RTSDuration_bb, 1:2.4G, 1:CCKData + pBuf->wDuration_aa = cpu_to_le16((unsigned short)s_uGetRTSCTSDuration(pDevice, RTSDUR_AA, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //2:RTSDuration_aa, 1:2.4G, 2,3: 2.4G OFDMData + pBuf->wDuration_ba = cpu_to_le16((unsigned short)s_uGetRTSCTSDuration(pDevice, RTSDUR_BA, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //1:RTSDuration_ba, 1:2.4G, 2,3:2.4G OFDM Data + + pBuf->Data.wDurationID = pBuf->wDuration_aa; + //Get RTS Frame body + pBuf->Data.wFrameControl = TYPE_CTL_RTS;//0x00B4 + if ((pDevice->eOPMode == OP_MODE_ADHOC) || + (pDevice->eOPMode == OP_MODE_AP)) { + memcpy(&(pBuf->Data.abyRA[0]), &(psEthHeader->abyDstAddr[0]), ETH_ALEN); + } else { + memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyBSSID[0]), ETH_ALEN); + } + if (pDevice->eOPMode == OP_MODE_AP) + memcpy(&(pBuf->Data.abyTA[0]), &(pDevice->abyBSSID[0]), ETH_ALEN); + else + memcpy(&(pBuf->Data.abyTA[0]), &(psEthHeader->abySrcAddr[0]), ETH_ALEN); + + } else { + PSRTS_g_FB pBuf = (PSRTS_g_FB)pvRTS; + //Get SignalField,ServiceField,Length + BBvCalculateParameter(pDevice, uRTSFrameLen, pDevice->byTopCCKBasicRate, PK_TYPE_11B, + (unsigned short *)&(wLen), (unsigned char *)&(pBuf->byServiceField_b), (unsigned char *)&(pBuf->bySignalField_b) +); + pBuf->wTransmitLength_b = cpu_to_le16(wLen); + BBvCalculateParameter(pDevice, uRTSFrameLen, pDevice->byTopOFDMBasicRate, byPktType, + (unsigned short *)&(wLen), (unsigned char *)&(pBuf->byServiceField_a), (unsigned char *)&(pBuf->bySignalField_a) +); + pBuf->wTransmitLength_a = cpu_to_le16(wLen); + + //Get Duration + pBuf->wDuration_bb = cpu_to_le16((unsigned short)s_uGetRTSCTSDuration(pDevice, RTSDUR_BB, cbFrameLength, PK_TYPE_11B, pDevice->byTopCCKBasicRate, bNeedAck, byFBOption)); //0:RTSDuration_bb, 1:2.4G, 1:CCKData + pBuf->wDuration_aa = cpu_to_le16((unsigned short)s_uGetRTSCTSDuration(pDevice, RTSDUR_AA, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //2:RTSDuration_aa, 1:2.4G, 2,3:2.4G OFDMData + pBuf->wDuration_ba = cpu_to_le16((unsigned short)s_uGetRTSCTSDuration(pDevice, RTSDUR_BA, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //1:RTSDuration_ba, 1:2.4G, 2,3:2.4G OFDMData + pBuf->wRTSDuration_ba_f0 = cpu_to_le16((unsigned short)s_uGetRTSCTSDuration(pDevice, RTSDUR_BA_F0, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //4:wRTSDuration_ba_f0, 1:2.4G, 1:CCKData + pBuf->wRTSDuration_aa_f0 = cpu_to_le16((unsigned short)s_uGetRTSCTSDuration(pDevice, RTSDUR_AA_F0, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //5:wRTSDuration_aa_f0, 1:2.4G, 1:CCKData + pBuf->wRTSDuration_ba_f1 = cpu_to_le16((unsigned short)s_uGetRTSCTSDuration(pDevice, RTSDUR_BA_F1, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //6:wRTSDuration_ba_f1, 1:2.4G, 1:CCKData + pBuf->wRTSDuration_aa_f1 = cpu_to_le16((unsigned short)s_uGetRTSCTSDuration(pDevice, RTSDUR_AA_F1, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //7:wRTSDuration_aa_f1, 1:2.4G, 1:CCKData + pBuf->Data.wDurationID = pBuf->wDuration_aa; + //Get RTS Frame body + pBuf->Data.wFrameControl = TYPE_CTL_RTS;//0x00B4 + + if ((pDevice->eOPMode == OP_MODE_ADHOC) || + (pDevice->eOPMode == OP_MODE_AP)) { + memcpy(&(pBuf->Data.abyRA[0]), &(psEthHeader->abyDstAddr[0]), ETH_ALEN); + } else { + memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyBSSID[0]), ETH_ALEN); + } + + if (pDevice->eOPMode == OP_MODE_AP) + memcpy(&(pBuf->Data.abyTA[0]), &(pDevice->abyBSSID[0]), ETH_ALEN); + else + memcpy(&(pBuf->Data.abyTA[0]), &(psEthHeader->abySrcAddr[0]), ETH_ALEN); + + } // if (byFBOption == AUTO_FB_NONE) + } else if (byPktType == PK_TYPE_11A) { + if (byFBOption == AUTO_FB_NONE) { + PSRTS_ab pBuf = (PSRTS_ab)pvRTS; + //Get SignalField,ServiceField,Length + BBvCalculateParameter(pDevice, uRTSFrameLen, pDevice->byTopOFDMBasicRate, byPktType, + (unsigned short *)&(wLen), (unsigned char *)&(pBuf->byServiceField), (unsigned char *)&(pBuf->bySignalField) +); + pBuf->wTransmitLength = cpu_to_le16(wLen); + //Get Duration + pBuf->wDuration = cpu_to_le16((unsigned short)s_uGetRTSCTSDuration(pDevice, RTSDUR_AA, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //0:RTSDuration_aa, 0:5G, 0: 5G OFDMData + pBuf->Data.wDurationID = pBuf->wDuration; + //Get RTS Frame body + pBuf->Data.wFrameControl = TYPE_CTL_RTS;//0x00B4 + + if ((pDevice->eOPMode == OP_MODE_ADHOC) || + (pDevice->eOPMode == OP_MODE_AP)) { + memcpy(&(pBuf->Data.abyRA[0]), &(psEthHeader->abyDstAddr[0]), ETH_ALEN); + } else { + memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyBSSID[0]), ETH_ALEN); + } + + if (pDevice->eOPMode == OP_MODE_AP) + memcpy(&(pBuf->Data.abyTA[0]), &(pDevice->abyBSSID[0]), ETH_ALEN); + else + memcpy(&(pBuf->Data.abyTA[0]), &(psEthHeader->abySrcAddr[0]), ETH_ALEN); + + } else { + PSRTS_a_FB pBuf = (PSRTS_a_FB)pvRTS; + //Get SignalField,ServiceField,Length + BBvCalculateParameter(pDevice, uRTSFrameLen, pDevice->byTopOFDMBasicRate, byPktType, + (unsigned short *)&(wLen), (unsigned char *)&(pBuf->byServiceField), (unsigned char *)&(pBuf->bySignalField) +); + pBuf->wTransmitLength = cpu_to_le16(wLen); + //Get Duration + pBuf->wDuration = cpu_to_le16((unsigned short)s_uGetRTSCTSDuration(pDevice, RTSDUR_AA, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //0:RTSDuration_aa, 0:5G, 0: 5G OFDMData + pBuf->wRTSDuration_f0 = cpu_to_le16((unsigned short)s_uGetRTSCTSDuration(pDevice, RTSDUR_AA_F0, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //5:RTSDuration_aa_f0, 0:5G, 0: 5G OFDMData + pBuf->wRTSDuration_f1 = cpu_to_le16((unsigned short)s_uGetRTSCTSDuration(pDevice, RTSDUR_AA_F1, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //7:RTSDuration_aa_f1, 0:5G, 0: + pBuf->Data.wDurationID = pBuf->wDuration; + //Get RTS Frame body + pBuf->Data.wFrameControl = TYPE_CTL_RTS;//0x00B4 + + if ((pDevice->eOPMode == OP_MODE_ADHOC) || + (pDevice->eOPMode == OP_MODE_AP)) { + memcpy(&(pBuf->Data.abyRA[0]), &(psEthHeader->abyDstAddr[0]), ETH_ALEN); + } else { + memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyBSSID[0]), ETH_ALEN); + } + if (pDevice->eOPMode == OP_MODE_AP) + memcpy(&(pBuf->Data.abyTA[0]), &(pDevice->abyBSSID[0]), ETH_ALEN); + else + memcpy(&(pBuf->Data.abyTA[0]), &(psEthHeader->abySrcAddr[0]), ETH_ALEN); + } + } else if (byPktType == PK_TYPE_11B) { + PSRTS_ab pBuf = (PSRTS_ab)pvRTS; + //Get SignalField,ServiceField,Length + BBvCalculateParameter(pDevice, uRTSFrameLen, pDevice->byTopCCKBasicRate, PK_TYPE_11B, + (unsigned short *)&(wLen), (unsigned char *)&(pBuf->byServiceField), (unsigned char *)&(pBuf->bySignalField) +); + pBuf->wTransmitLength = cpu_to_le16(wLen); + //Get Duration + pBuf->wDuration = cpu_to_le16((unsigned short)s_uGetRTSCTSDuration(pDevice, RTSDUR_BB, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //0:RTSDuration_bb, 1:2.4G, 1:CCKData + pBuf->Data.wDurationID = pBuf->wDuration; + //Get RTS Frame body + pBuf->Data.wFrameControl = TYPE_CTL_RTS;//0x00B4 + + if ((pDevice->eOPMode == OP_MODE_ADHOC) || + (pDevice->eOPMode == OP_MODE_AP)) { + memcpy(&(pBuf->Data.abyRA[0]), &(psEthHeader->abyDstAddr[0]), ETH_ALEN); + } else { + memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyBSSID[0]), ETH_ALEN); + } + + if (pDevice->eOPMode == OP_MODE_AP) + memcpy(&(pBuf->Data.abyTA[0]), &(pDevice->abyBSSID[0]), ETH_ALEN); + else + memcpy(&(pBuf->Data.abyTA[0]), &(psEthHeader->abySrcAddr[0]), ETH_ALEN); + } +} + +static +void +s_vFillCTSHead( + PSDevice pDevice, + unsigned int uDMAIdx, + unsigned char byPktType, + void *pvCTS, + unsigned int cbFrameLength, + bool bNeedAck, + bool bDisCRC, + unsigned short wCurrentRate, + unsigned char byFBOption +) +{ + unsigned int uCTSFrameLen = 14; + unsigned short wLen = 0x0000; + + if (pvCTS == NULL) + return; + + if (bDisCRC) { + // When CRCDIS bit is on, H/W forgot to generate FCS for CTS frame, + // in this case we need to decrease its length by 4. + uCTSFrameLen -= 4; + } + + if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { + if (byFBOption != AUTO_FB_NONE && uDMAIdx != TYPE_ATIMDMA && uDMAIdx != TYPE_BEACONDMA) { + // Auto Fall back + PSCTS_FB pBuf = (PSCTS_FB)pvCTS; + //Get SignalField,ServiceField,Length + BBvCalculateParameter(pDevice, uCTSFrameLen, pDevice->byTopCCKBasicRate, PK_TYPE_11B, + (unsigned short *)&(wLen), (unsigned char *)&(pBuf->byServiceField_b), (unsigned char *)&(pBuf->bySignalField_b) +); + + pBuf->wTransmitLength_b = cpu_to_le16(wLen); + + pBuf->wDuration_ba = (unsigned short)s_uGetRTSCTSDuration(pDevice, CTSDUR_BA, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption); //3:CTSDuration_ba, 1:2.4G, 2,3:2.4G OFDM Data + pBuf->wDuration_ba += pDevice->wCTSDuration; + pBuf->wDuration_ba = cpu_to_le16(pBuf->wDuration_ba); + //Get CTSDuration_ba_f0 + pBuf->wCTSDuration_ba_f0 = (unsigned short)s_uGetRTSCTSDuration(pDevice, CTSDUR_BA_F0, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption); //8:CTSDuration_ba_f0, 1:2.4G, 2,3:2.4G OFDM Data + pBuf->wCTSDuration_ba_f0 += pDevice->wCTSDuration; + pBuf->wCTSDuration_ba_f0 = cpu_to_le16(pBuf->wCTSDuration_ba_f0); + //Get CTSDuration_ba_f1 + pBuf->wCTSDuration_ba_f1 = (unsigned short)s_uGetRTSCTSDuration(pDevice, CTSDUR_BA_F1, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption); //9:CTSDuration_ba_f1, 1:2.4G, 2,3:2.4G OFDM Data + pBuf->wCTSDuration_ba_f1 += pDevice->wCTSDuration; + pBuf->wCTSDuration_ba_f1 = cpu_to_le16(pBuf->wCTSDuration_ba_f1); + //Get CTS Frame body + pBuf->Data.wDurationID = pBuf->wDuration_ba; + pBuf->Data.wFrameControl = TYPE_CTL_CTS;//0x00C4 + pBuf->Data.wReserved = 0x0000; + memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyCurrentNetAddr[0]), ETH_ALEN); + + } else { //if (byFBOption != AUTO_FB_NONE && uDMAIdx != TYPE_ATIMDMA && uDMAIdx != TYPE_BEACONDMA) + PSCTS pBuf = (PSCTS)pvCTS; + //Get SignalField,ServiceField,Length + BBvCalculateParameter(pDevice, uCTSFrameLen, pDevice->byTopCCKBasicRate, PK_TYPE_11B, + (unsigned short *)&(wLen), (unsigned char *)&(pBuf->byServiceField_b), (unsigned char *)&(pBuf->bySignalField_b) +); + pBuf->wTransmitLength_b = cpu_to_le16(wLen); + //Get CTSDuration_ba + pBuf->wDuration_ba = cpu_to_le16((unsigned short)s_uGetRTSCTSDuration(pDevice, CTSDUR_BA, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //3:CTSDuration_ba, 1:2.4G, 2,3:2.4G OFDM Data + pBuf->wDuration_ba += pDevice->wCTSDuration; + pBuf->wDuration_ba = cpu_to_le16(pBuf->wDuration_ba); + + //Get CTS Frame body + pBuf->Data.wDurationID = pBuf->wDuration_ba; + pBuf->Data.wFrameControl = TYPE_CTL_CTS;//0x00C4 + pBuf->Data.wReserved = 0x0000; + memcpy(&(pBuf->Data.abyRA[0]), &(pDevice->abyCurrentNetAddr[0]), ETH_ALEN); + } + } +} + +/*+ + * + * Description: + * Generate FIFO control for MAC & Baseband controller + * + * Parameters: + * In: + * pDevice - Pointer to adapter + * pTxDataHead - Transmit Data Buffer + * pTxBufHead - pTxBufHead + * pvRrvTime - pvRrvTime + * pvRTS - RTS Buffer + * pCTS - CTS Buffer + * cbFrameSize - Transmit Data Length (Hdr+Payload+FCS) + * bNeedACK - If need ACK + * uDescIdx - Desc Index + * Out: + * none + * + * Return Value: none + * + -*/ +// unsigned int cbFrameSize,//Hdr+Payload+FCS +static +void +s_vGenerateTxParameter( + PSDevice pDevice, + unsigned char byPktType, + void *pTxBufHead, + void *pvRrvTime, + void *pvRTS, + void *pvCTS, + unsigned int cbFrameSize, + bool bNeedACK, + unsigned int uDMAIdx, + PSEthernetHeader psEthHeader, + unsigned short wCurrentRate +) +{ + unsigned int cbMACHdLen = WLAN_HDR_ADDR3_LEN; //24 + unsigned short wFifoCtl; + bool bDisCRC = false; + unsigned char byFBOption = AUTO_FB_NONE; + + PSTxBufHead pFifoHead = (PSTxBufHead)pTxBufHead; + pFifoHead->wReserved = wCurrentRate; + wFifoCtl = pFifoHead->wFIFOCtl; + + if (wFifoCtl & FIFOCTL_CRCDIS) + bDisCRC = true; + + if (wFifoCtl & FIFOCTL_AUTO_FB_0) + byFBOption = AUTO_FB_0; + else if (wFifoCtl & FIFOCTL_AUTO_FB_1) + byFBOption = AUTO_FB_1; + + if (pDevice->bLongHeader) + cbMACHdLen = WLAN_HDR_ADDR3_LEN + 6; + + if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { + if (pvRTS != NULL) { //RTS_need + //Fill RsvTime + if (pvRrvTime) { + PSRrvTime_gRTS pBuf = (PSRrvTime_gRTS)pvRrvTime; + pBuf->wRTSTxRrvTime_aa = cpu_to_le16((unsigned short)s_uGetRTSCTSRsvTime(pDevice, 2, byPktType, cbFrameSize, wCurrentRate));//2:RTSTxRrvTime_aa, 1:2.4GHz + pBuf->wRTSTxRrvTime_ba = cpu_to_le16((unsigned short)s_uGetRTSCTSRsvTime(pDevice, 1, byPktType, cbFrameSize, wCurrentRate));//1:RTSTxRrvTime_ba, 1:2.4GHz + pBuf->wRTSTxRrvTime_bb = cpu_to_le16((unsigned short)s_uGetRTSCTSRsvTime(pDevice, 0, byPktType, cbFrameSize, wCurrentRate));//0:RTSTxRrvTime_bb, 1:2.4GHz + pBuf->wTxRrvTime_a = cpu_to_le16((unsigned short) s_uGetTxRsvTime(pDevice, byPktType, cbFrameSize, wCurrentRate, bNeedACK));//2.4G OFDM + pBuf->wTxRrvTime_b = cpu_to_le16((unsigned short) s_uGetTxRsvTime(pDevice, PK_TYPE_11B, cbFrameSize, pDevice->byTopCCKBasicRate, bNeedACK));//1:CCK + } + //Fill RTS + s_vFillRTSHead(pDevice, byPktType, pvRTS, cbFrameSize, bNeedACK, bDisCRC, psEthHeader, wCurrentRate, byFBOption); + } else {//RTS_needless, PCF mode + + //Fill RsvTime + if (pvRrvTime) { + PSRrvTime_gCTS pBuf = (PSRrvTime_gCTS)pvRrvTime; + pBuf->wTxRrvTime_a = cpu_to_le16((unsigned short)s_uGetTxRsvTime(pDevice, byPktType, cbFrameSize, wCurrentRate, bNeedACK));//2.4G OFDM + pBuf->wTxRrvTime_b = cpu_to_le16((unsigned short)s_uGetTxRsvTime(pDevice, PK_TYPE_11B, cbFrameSize, pDevice->byTopCCKBasicRate, bNeedACK));//1:CCK + pBuf->wCTSTxRrvTime_ba = cpu_to_le16((unsigned short)s_uGetRTSCTSRsvTime(pDevice, 3, byPktType, cbFrameSize, wCurrentRate));//3:CTSTxRrvTime_Ba, 1:2.4GHz + } + + //Fill CTS + s_vFillCTSHead(pDevice, uDMAIdx, byPktType, pvCTS, cbFrameSize, bNeedACK, bDisCRC, wCurrentRate, byFBOption); + } + } else if (byPktType == PK_TYPE_11A) { + if (pvRTS != NULL) {//RTS_need, non PCF mode + //Fill RsvTime + if (pvRrvTime) { + PSRrvTime_ab pBuf = (PSRrvTime_ab)pvRrvTime; + pBuf->wRTSTxRrvTime = cpu_to_le16((unsigned short)s_uGetRTSCTSRsvTime(pDevice, 2, byPktType, cbFrameSize, wCurrentRate));//2:RTSTxRrvTime_aa, 0:5GHz + pBuf->wTxRrvTime = cpu_to_le16((unsigned short)s_uGetTxRsvTime(pDevice, byPktType, cbFrameSize, wCurrentRate, bNeedACK));//0:OFDM + } + //Fill RTS + s_vFillRTSHead(pDevice, byPktType, pvRTS, cbFrameSize, bNeedACK, bDisCRC, psEthHeader, wCurrentRate, byFBOption); + } else if (pvRTS == NULL) {//RTS_needless, non PCF mode + //Fill RsvTime + if (pvRrvTime) { + PSRrvTime_ab pBuf = (PSRrvTime_ab)pvRrvTime; + pBuf->wTxRrvTime = cpu_to_le16((unsigned short)s_uGetTxRsvTime(pDevice, PK_TYPE_11A, cbFrameSize, wCurrentRate, bNeedACK)); //0:OFDM + } + } + } else if (byPktType == PK_TYPE_11B) { + if ((pvRTS != NULL)) {//RTS_need, non PCF mode + //Fill RsvTime + if (pvRrvTime) { + PSRrvTime_ab pBuf = (PSRrvTime_ab)pvRrvTime; + pBuf->wRTSTxRrvTime = cpu_to_le16((unsigned short)s_uGetRTSCTSRsvTime(pDevice, 0, byPktType, cbFrameSize, wCurrentRate));//0:RTSTxRrvTime_bb, 1:2.4GHz + pBuf->wTxRrvTime = cpu_to_le16((unsigned short)s_uGetTxRsvTime(pDevice, PK_TYPE_11B, cbFrameSize, wCurrentRate, bNeedACK));//1:CCK + } + //Fill RTS + s_vFillRTSHead(pDevice, byPktType, pvRTS, cbFrameSize, bNeedACK, bDisCRC, psEthHeader, wCurrentRate, byFBOption); + } else { //RTS_needless, non PCF mode + //Fill RsvTime + if (pvRrvTime) { + PSRrvTime_ab pBuf = (PSRrvTime_ab)pvRrvTime; + pBuf->wTxRrvTime = cpu_to_le16((unsigned short)s_uGetTxRsvTime(pDevice, PK_TYPE_11B, cbFrameSize, wCurrentRate, bNeedACK)); //1:CCK + } + } + } +} + +static +void +s_vFillFragParameter( + PSDevice pDevice, + unsigned char *pbyBuffer, + unsigned int uTxType, + void *pvtdCurr, + unsigned short wFragType, + unsigned int cbReqCount +) +{ + PSTxBufHead pTxBufHead = (PSTxBufHead) pbyBuffer; + + if (uTxType == TYPE_SYNCDMA) { + PSTxSyncDesc ptdCurr = (PSTxSyncDesc)pvtdCurr; + + //Set FIFOCtl & TimeStamp in TxSyncDesc + ptdCurr->m_wFIFOCtl = pTxBufHead->wFIFOCtl; + ptdCurr->m_wTimeStamp = pTxBufHead->wTimeStamp; + //Set TSR1 & ReqCount in TxDescHead + ptdCurr->m_td1TD1.wReqCount = cpu_to_le16((unsigned short)(cbReqCount)); + if (wFragType == FRAGCTL_ENDFRAG) //Last Fragmentation + ptdCurr->m_td1TD1.byTCR |= (TCR_STP | TCR_EDP | EDMSDU); + else + ptdCurr->m_td1TD1.byTCR |= (TCR_STP | TCR_EDP); + } else { + PSTxDesc ptdCurr = (PSTxDesc)pvtdCurr; + //Set TSR1 & ReqCount in TxDescHead + ptdCurr->m_td1TD1.wReqCount = cpu_to_le16((unsigned short)(cbReqCount)); + if (wFragType == FRAGCTL_ENDFRAG) //Last Fragmentation + ptdCurr->m_td1TD1.byTCR |= (TCR_STP | TCR_EDP | EDMSDU); + else + ptdCurr->m_td1TD1.byTCR |= (TCR_STP | TCR_EDP); + } + + pTxBufHead->wFragCtl |= (unsigned short)wFragType;//0x0001; //0000 0000 0000 0001 +} + +static unsigned int +s_cbFillTxBufHead(PSDevice pDevice, unsigned char byPktType, unsigned char *pbyTxBufferAddr, + unsigned int cbFrameBodySize, unsigned int uDMAIdx, PSTxDesc pHeadTD, + PSEthernetHeader psEthHeader, unsigned char *pPacket, bool bNeedEncrypt, + PSKeyItem pTransmitKey, unsigned int uNodeIndex, unsigned int *puMACfragNum) +{ + unsigned int cbMACHdLen; + 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 + unsigned int 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; + PSTxDesc ptdCurr; + PSTxBufHead psTxBufHd = (PSTxBufHead) pbyTxBufferAddr; + unsigned int cbHeaderLength = 0; + void *pvRrvTime; + PSMICHDRHead pMICHDR; + void *pvRTS; + 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->eOPMode == OP_MODE_ADHOC) || + (pDevice->eOPMode == OP_MODE_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; + + 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 + cbMICHDR = sizeof(SMICHDRHead); + } + if (pDevice->byLocalID > REV_ID_VT3253_A1) { + //MAC Header should be padding 0 to DW alignment. + uPadding = 4 - (cbMACHdLen%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) + byFBOption = AUTO_FB_0; + else if (psTxBufHd->wFIFOCtl & FIFOCTL_AUTO_FB_1) + byFBOption = AUTO_FB_1; + + ////////////////////////////////////////////////////// + //Set RrvTime/RTS/CTS Buffer + wTxBufSize = sizeof(STxBufHead); + if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {//802.11g packet + + if (byFBOption == AUTO_FB_NONE) { + if (bRTS == true) {//RTS_need + pvRrvTime = (PSRrvTime_gRTS) (pbyTxBufferAddr + wTxBufSize); + pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gRTS)); + pvRTS = (PSRTS_g) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gRTS) + cbMICHDR); + pvCTS = NULL; + pvTxDataHd = (PSTxDataHead_g) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gRTS) + cbMICHDR + sizeof(SRTS_g)); + cbHeaderLength = wTxBufSize + sizeof(SRrvTime_gRTS) + cbMICHDR + sizeof(SRTS_g) + sizeof(STxDataHead_g); + } else { //RTS_needless + pvRrvTime = (PSRrvTime_gCTS) (pbyTxBufferAddr + wTxBufSize); + pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS)); + pvRTS = NULL; + pvCTS = (PSCTS) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR); + pvTxDataHd = (PSTxDataHead_g) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR + sizeof(SCTS)); + cbHeaderLength = wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR + sizeof(SCTS) + sizeof(STxDataHead_g); + } + } else { + // Auto Fall Back + if (bRTS == true) {//RTS_need + pvRrvTime = (PSRrvTime_gRTS) (pbyTxBufferAddr + wTxBufSize); + pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gRTS)); + pvRTS = (PSRTS_g_FB) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gRTS) + cbMICHDR); + pvCTS = NULL; + pvTxDataHd = (PSTxDataHead_g_FB) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gRTS) + cbMICHDR + sizeof(SRTS_g_FB)); + cbHeaderLength = wTxBufSize + sizeof(SRrvTime_gRTS) + cbMICHDR + sizeof(SRTS_g_FB) + sizeof(STxDataHead_g_FB); + } else { //RTS_needless + pvRrvTime = (PSRrvTime_gCTS) (pbyTxBufferAddr + wTxBufSize); + pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS)); + pvRTS = NULL; + pvCTS = (PSCTS_FB) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR); + pvTxDataHd = (PSTxDataHead_g_FB) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR + sizeof(SCTS_FB)); + cbHeaderLength = wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR + sizeof(SCTS_FB) + sizeof(STxDataHead_g_FB); + } + } // Auto Fall Back + } else {//802.11a/b packet + + if (byFBOption == AUTO_FB_NONE) { + if (bRTS == true) { + pvRrvTime = (PSRrvTime_ab) (pbyTxBufferAddr + wTxBufSize); + pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab)); + pvRTS = (PSRTS_ab) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR); + pvCTS = NULL; + pvTxDataHd = (PSTxDataHead_ab) (pbyTxBufferAddr + wTxBufSize + sizeof(PSRrvTime_ab) + cbMICHDR + sizeof(SRTS_ab)); + cbHeaderLength = wTxBufSize + sizeof(PSRrvTime_ab) + cbMICHDR + sizeof(SRTS_ab) + sizeof(STxDataHead_ab); + } else { //RTS_needless, need MICHDR + pvRrvTime = (PSRrvTime_ab) (pbyTxBufferAddr + wTxBufSize); + pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab)); + pvRTS = NULL; + pvCTS = NULL; + pvTxDataHd = (PSTxDataHead_ab) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR); + cbHeaderLength = wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR + sizeof(STxDataHead_ab); + } + } else { + // Auto Fall Back + if (bRTS == true) {//RTS_need + pvRrvTime = (PSRrvTime_ab) (pbyTxBufferAddr + wTxBufSize); + pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab)); + pvRTS = (PSRTS_a_FB) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR); + pvCTS = NULL; + pvTxDataHd = (PSTxDataHead_a_FB) (pbyTxBufferAddr + wTxBufSize + sizeof(PSRrvTime_ab) + cbMICHDR + sizeof(SRTS_a_FB)); + cbHeaderLength = wTxBufSize + sizeof(PSRrvTime_ab) + cbMICHDR + sizeof(SRTS_a_FB) + sizeof(STxDataHead_a_FB); + } else { //RTS_needless + pvRrvTime = (PSRrvTime_ab) (pbyTxBufferAddr + wTxBufSize); + pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab)); + pvRTS = NULL; + pvCTS = NULL; + pvTxDataHd = (PSTxDataHead_a_FB) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR); + cbHeaderLength = wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR + sizeof(STxDataHead_a_FB); + } + } // 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); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "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 + //========================= + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "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, (unsigned short)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; + + 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)) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "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 + //========================= + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "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, (unsigned short)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)) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "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); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Last MIC:%X, %X\n", *pdwMIC_L, *pdwMIC_R); + } else { + if (uMICFragLen >= 4) { + memcpy((pbyBuffer + uLength), ((unsigned char *)&dwSafeMIC_R + (uMICFragLen - 4)), + (cbMIClen - uMICFragLen)); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "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); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "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 + //========================= + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "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, (unsigned short)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; + + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "MIDDLE: uMICFragLen:%d, cbFragPayloadSize:%d, uTmpLen:%d\n", + uMICFragLen, cbFragPayloadSize, uTmpLen); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Fill MIC in Middle frag [%d]\n", uMICFragLen); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Get MIC:%X, %X\n", *pdwMIC_L, *pdwMIC_R); + } + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "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, (unsigned short)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)) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "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; + } + + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "uLength: %d, %d\n", uLength, cbFrameBodySize); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "cbReqCount:%d, %d, %d, %d\n", cbReqCount, cbHeaderLength, uPadding, cbIVlen); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "MIC:%x, %x\n", *pdwMIC_L, *pdwMIC_R); + + } + + 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; + } + } + + ptdCurr = (PSTxDesc)pHeadTD; + + 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)); + + pDevice->iTDUsed[uDMAIdx]++; + + } + *puMACfragNum = uMACfragNum; + + return cbHeaderLength; +} + +void +vGenerateFIFOHeader(PSDevice 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->eOPMode == OP_MODE_ADHOC) || + (pDevice->eOPMode == OP_MODE_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; + } + } + } + +#ifdef PLICE_DEBUG + RFbSetPower(pDevice, pDevice->wCurrentRate, pDevice->byCurrentCh); +#endif + pTxBufHead->byTxPower = pDevice->byCurPwr; + + *pcbHeaderSize = s_cbFillTxBufHead(pDevice, byPktType, pbyTxBufferAddr, cbPayloadSize, + uDMAIdx, pHeadTD, psEthHeader, pPacket, bNeedEncrypt, + pTransmitKey, uNodeIndex, puMACfragNum); + + return; +} + +/*+ + * + * 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( + PSDevice pDevice, + unsigned char *pbyBufferAddr, + unsigned short 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->eOPMode == OP_MODE_AP) { + memcpy(&(pMACHeader->abyAddr1[0]), &(psEthHeader->abyDstAddr[0]), ETH_ALEN); + memcpy(&(pMACHeader->abyAddr2[0]), &(pDevice->abyBSSID[0]), ETH_ALEN); + memcpy(&(pMACHeader->abyAddr3[0]), &(psEthHeader->abySrcAddr[0]), ETH_ALEN); + pMACHeader->wFrameCtl |= FC_FROMDS; + } else { + if (pDevice->eOPMode == OP_MODE_ADHOC) { + memcpy(&(pMACHeader->abyAddr1[0]), &(psEthHeader->abyDstAddr[0]), ETH_ALEN); + memcpy(&(pMACHeader->abyAddr2[0]), &(psEthHeader->abySrcAddr[0]), ETH_ALEN); + memcpy(&(pMACHeader->abyAddr3[0]), &(pDevice->abyBSSID[0]), ETH_ALEN); + } else { + memcpy(&(pMACHeader->abyAddr3[0]), &(psEthHeader->abyDstAddr[0]), ETH_ALEN); + memcpy(&(pMACHeader->abyAddr2[0]), &(psEthHeader->abySrcAddr[0]), ETH_ALEN); + memcpy(&(pMACHeader->abyAddr1[0]), &(pDevice->abyBSSID[0]), ETH_ALEN); + pMACHeader->wFrameCtl |= FC_TODS; + } + } + + if (bNeedEncrypt) + pMACHeader->wFrameCtl |= cpu_to_le16((unsigned short)WLAN_SET_FC_ISWEP(1)); + + pMACHeader->wDurationID = cpu_to_le16(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(PSDevice pDevice, PSTxMgmtPacket pPacket) { + PSTxDesc pFrstTD; + unsigned char byPktType; + unsigned char *pbyTxBufferAddr; + void *pvRTS; + PSCTS 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 = (PSRrvTime_gCTS) (pbyTxBufferAddr + wTxBufSize); + pMICHDR = NULL; + pvRTS = NULL; + pCTS = (PSCTS) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS)); + pvTxDataHd = (PSTxDataHead_g) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS) + sizeof(SCTS)); + cbHeaderSize = wTxBufSize + sizeof(SRrvTime_gCTS) + sizeof(SCTS) + sizeof(STxDataHead_g); + } else { // 802.11a/b packet + pvRrvTime = (PSRrvTime_ab) (pbyTxBufferAddr + wTxBufSize); + pMICHDR = NULL; + pvRTS = NULL; + pCTS = NULL; + pvTxDataHd = (PSTxDataHead_ab) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab)); + cbHeaderSize = wTxBufSize + sizeof(SRrvTime_ab) + sizeof(STxDataHead_ab); + } + + memset((void *)(pbyTxBufferAddr + wTxBufSize), 0, (cbHeaderSize - wTxBufSize)); + + memcpy(&(sEthHeader.abyDstAddr[0]), &(pPacket->p80211Header->sA3.abyAddr1[0]), ETH_ALEN); + memcpy(&(sEthHeader.abySrcAddr[0]), &(pPacket->p80211Header->sA3.abyAddr2[0]), ETH_ALEN); + //========================= + // 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); + + 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->eOPMode == OP_MODE_INFRASTRUCTURE) && + (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) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Get GTK.\n"); + break; + } + } else { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Get PTK.\n"); + break; + } + } + // get group key + pbyBSSID = pDevice->abyBroadcastAddr; + if (KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, GROUP_KEY, &pTransmitKey) == false) { + pTransmitKey = NULL; + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "KEY is NULL. OP Mode[%d]\n", pDevice->eOPMode); + } else { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "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) { + ((PSTxDataHead_g)pvTxDataHd)->wDuration_a = cpu_to_le16(pPacket->p80211Header->sA2.wDurationID); + ((PSTxDataHead_g)pvTxDataHd)->wDuration_b = cpu_to_le16(pPacket->p80211Header->sA2.wDurationID); + } else { + ((PSTxDataHead_ab)pvTxDataHd)->wDuration = 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) + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " available td0 <= 1\n"); + + pDevice->apCurrTD[TYPE_TXDMA0] = pFrstTD->next; + +#ifdef TxInSleep + pDevice->nTxDataTimeCout = 0; //2008-8-21 chester <add> for send null packet +#endif + + // Poll Transmit the adapter + MACvTransmit0(pDevice->PortOffset); + + return CMD_STATUS_PENDING; +} + +CMD_STATUS csBeacon_xmit(PSDevice 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; + unsigned short wTxBufSize = sizeof(STxShortBufHead); + PSTxShortBufHead pTxBufHead = (PSTxShortBufHead) pbyBuffer; + PSTxDataHead_ab pTxDataHead = (PSTxDataHead_ab) (pbyBuffer + wTxBufSize); + PS802_11Header pMACHeader; + unsigned short wCurrentRate; + unsigned short wLen = 0x0000; + + memset(pTxBufHead, 0, wTxBufSize); + + 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 + + pTxBufHead->wFIFOCtl |= FIFOCTL_GENINT; + + //Set packet type & Get Duration + if (byPktType == PK_TYPE_11A) {//0000 0000 0000 0000 + pTxDataHead->wDuration = cpu_to_le16((unsigned short)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 + pTxBufHead->wFIFOCtl |= FIFOCTL_11B; + pTxDataHead->wDuration = cpu_to_le16((unsigned short)s_uGetDataDuration(pDevice, DATADUR_B, cbFrameSize, byPktType, + wCurrentRate, false, 0, 0, 1, AUTO_FB_NONE)); + } + + BBvCalculateParameter(pDevice, cbFrameSize, wCurrentRate, byPktType, + (unsigned short *)&(wLen), (unsigned char *)&(pTxDataHead->byServiceField), (unsigned char *)&(pTxDataHead->bySignalField) +); + pTxDataHead->wTransmitLength = cpu_to_le16(wLen); + //Get TimeStampOff + pTxDataHead->wTimeStampOff = cpu_to_le16(wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]); + cbHeaderSize = wTxBufSize + sizeof(STxDataHead_ab); + + //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( + PSDevice 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->eOPMode == OP_MODE_ADHOC) || + (pDevice->eOPMode == OP_MODE_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(PSDevice 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; + } + } + + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "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(SMICHDRHead); + 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 = (PSRrvTime_gCTS) (pbyTxBufferAddr + wTxBufSize); + pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS)); + pvRTS = NULL; + pvCTS = (PSCTS) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR); + pvTxDataHd = (PSTxDataHead_g) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR + sizeof(SCTS)); + cbHeaderSize = wTxBufSize + sizeof(SRrvTime_gCTS) + cbMICHDR + sizeof(SCTS) + sizeof(STxDataHead_g); + + } else {//802.11a/b packet + + pvRrvTime = (PSRrvTime_ab) (pbyTxBufferAddr + wTxBufSize); + pMICHDR = (PSMICHDRHead) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab)); + pvRTS = NULL; + pvCTS = NULL; + pvTxDataHd = (PSTxDataHead_ab) (pbyTxBufferAddr + wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR); + cbHeaderSize = wTxBufSize + sizeof(SRrvTime_ab) + cbMICHDR + sizeof(STxDataHead_ab); + + } + + memset((void *)(pbyTxBufferAddr + wTxBufSize), 0, (cbHeaderSize - wTxBufSize)); + memcpy(&(sEthHeader.abyDstAddr[0]), &(p80211Header->sA3.abyAddr1[0]), ETH_ALEN); + memcpy(&(sEthHeader.abySrcAddr[0]), &(p80211Header->sA3.abyAddr2[0]), ETH_ALEN); + //========================= + // 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); + + 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); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "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; + } + + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "uLength: %d, %d\n", uLength, cbFrameBodySize); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "cbReqCount:%d, %d, %d, %d\n", cbReqCount, cbHeaderSize, uPadding, cbIVlen); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "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) { + ((PSTxDataHead_g)pvTxDataHd)->wDuration_a = cpu_to_le16(p80211Header->sA2.wDurationID); + ((PSTxDataHead_g)pvTxDataHd)->wDuration_b = cpu_to_le16(p80211Header->sA2.wDurationID); + } else { + ((PSTxDataHead_ab)pvTxDataHd)->wDuration = 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) + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " available td0 <= 1\n"); + + pDevice->apCurrTD[TYPE_TXDMA0] = pFrstTD->next; + + // Poll Transmit the adapter + MACvTransmit0(pDevice->PortOffset); + + return; +} |