/* * 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. * s_vGenerateMACHeader - Translate 802.3 to 802.11 header * csBeacon_xmit - beacon tx function * csMgmt_xmit - management tx function * 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 "hostap.h" #include "rf.h" #include "datarate.h" #include "usbpipe.h" #ifdef WPA_SM_Transtatus #include "iocmd.h" #endif /*--------------------- Static Definitions -------------------------*/ /*--------------------- Static Classes ----------------------------*/ /*--------------------- Static Variables --------------------------*/ //static int msglevel =MSG_LEVEL_DEBUG; static int msglevel =MSG_LEVEL_INFO; /*--------------------- Static Functions --------------------------*/ /*--------------------- Static Definitions -------------------------*/ #define CRITICAL_PACKET_LEN 256 // if packet size < 256 -> in-direct send // packet size >= 256 -> direct send const WORD 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 WORD 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 WORD 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_vSaveTxPktInfo( PSDevice pDevice, BYTE byPktNum, PBYTE pbyDestAddr, WORD wPktLength, WORD wFIFOCtl ); static void * s_vGetFreeContext( PSDevice pDevice ); static void s_vGenerateTxParameter( PSDevice pDevice, BYTE byPktType, WORD wCurrentRate, void *pTxBufHead, void *pvRrvTime, void *pvRTS, void *pvCTS, unsigned int cbFrameSize, BOOL bNeedACK, unsigned int uDMAIdx, PSEthernetHeader psEthHeader ); static unsigned int s_uFillDataHead( PSDevice pDevice, BYTE byPktType, WORD wCurrentRate, void *pTxDataHead, unsigned int cbFrameLength, unsigned int uDMAIdx, BOOL bNeedAck, unsigned int uFragIdx, unsigned int cbLastFragmentSize, unsigned int uMACfragNum, BYTE byFBOption ); static void s_vGenerateMACHeader ( PSDevice pDevice, PBYTE pbyBufferAddr, WORD wDuration, PSEthernetHeader psEthHeader, BOOL bNeedEncrypt, WORD wFragType, unsigned int uDMAIdx, unsigned int uFragIdx ); static void s_vFillTxKey( PSDevice pDevice, PBYTE pbyBuf, PBYTE pbyIVHead, PSKeyItem pTransmitKey, PBYTE pbyHdrBuf, WORD wPayloadLen, PBYTE pMICHDR ); static void s_vSWencryption ( PSDevice pDevice, PSKeyItem pTransmitKey, PBYTE pbyPayloadHead, WORD wPayloadSize ); static unsigned int s_uGetTxRsvTime( PSDevice pDevice, BYTE byPktType, unsigned int cbFrameLength, WORD wRate, BOOL bNeedAck ); static unsigned int s_uGetRTSCTSRsvTime( PSDevice pDevice, BYTE byRTSRsvType, BYTE byPktType, unsigned int cbFrameLength, WORD wCurrentRate ); static void s_vFillCTSHead ( PSDevice pDevice, unsigned int uDMAIdx, BYTE byPktType, void *pvCTS, unsigned int cbFrameLength, BOOL bNeedAck, BOOL bDisCRC, WORD wCurrentRate, BYTE byFBOption ); static void s_vFillRTSHead( PSDevice pDevice, BYTE byPktType, void *pvRTS, unsigned int cbFrameLength, BOOL bNeedAck, BOOL bDisCRC, PSEthernetHeader psEthHeader, WORD wCurrentRate, BYTE byFBOption ); static unsigned int s_uGetDataDuration( PSDevice pDevice, BYTE byDurType, unsigned int cbFrameLength, BYTE byPktType, WORD wRate, BOOL bNeedAck, unsigned int uFragIdx, unsigned int cbLastFragmentSize, unsigned int uMACfragNum, BYTE byFBOption ); static unsigned int s_uGetRTSCTSDuration ( PSDevice pDevice, BYTE byDurType, unsigned int cbFrameLength, BYTE byPktType, WORD wRate, BOOL bNeedAck, BYTE byFBOption ); /*--------------------- Export Variables --------------------------*/ static void * s_vGetFreeContext( PSDevice pDevice ) { PUSB_SEND_CONTEXT pContext = NULL; PUSB_SEND_CONTEXT pReturnContext = NULL; unsigned int ii; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"GetFreeContext()\n"); for (ii = 0; ii < pDevice->cbTD; ii++) { pContext = pDevice->apTD[ii]; if (pContext->bBoolInUse == FALSE) { pContext->bBoolInUse = TRUE; pReturnContext = pContext; break; } } if ( ii == pDevice->cbTD ) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"No Free Tx Context\n"); } return (void *) pReturnContext; } static void s_vSaveTxPktInfo(PSDevice pDevice, BYTE byPktNum, PBYTE pbyDestAddr, WORD wPktLength, WORD wFIFOCtl) { PSStatCounter pStatistic=&(pDevice->scStatistic); if (IS_BROADCAST_ADDRESS(pbyDestAddr)) pStatistic->abyTxPktInfo[byPktNum].byBroadMultiUni = TX_PKT_BROAD; else if (IS_MULTICAST_ADDRESS(pbyDestAddr)) pStatistic->abyTxPktInfo[byPktNum].byBroadMultiUni = TX_PKT_MULTI; else pStatistic->abyTxPktInfo[byPktNum].byBroadMultiUni = TX_PKT_UNI; pStatistic->abyTxPktInfo[byPktNum].wLength = wPktLength; pStatistic->abyTxPktInfo[byPktNum].wFIFOCtl = wFIFOCtl; memcpy(pStatistic->abyTxPktInfo[byPktNum].abyDestAddr, pbyDestAddr, ETH_ALEN); } static void s_vFillTxKey ( PSDevice pDevice, PBYTE pbyBuf, PBYTE pbyIVHead, PSKeyItem pTransmitKey, PBYTE pbyHdrBuf, WORD wPayloadLen, PBYTE pMICHDR ) { PDWORD pdwIV = (PDWORD) pbyIVHead; PDWORD pdwExtIV = (PDWORD) ((PBYTE)pbyIVHead+4); WORD wValue; PS802_11Header pMACHeader = (PS802_11Header)pbyHdrBuf; DWORD dwRevIVCounter; //Fill TXKEY if (pTransmitKey == NULL) return; dwRevIVCounter = cpu_to_le32(pDevice->dwIVCounter); *pdwIV = pDevice->dwIVCounter; pDevice->byKeyIndex = pTransmitKey->dwKeyIndex & 0xf; if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) { if (pTransmitKey->uKeyLength == WLAN_WEP232_KEYLEN ){ memcpy(pDevice->abyPRNG, (PBYTE)&(dwRevIVCounter), 3); memcpy(pDevice->abyPRNG+3, pTransmitKey->abyKey, pTransmitKey->uKeyLength); } else { memcpy(pbyBuf, (PBYTE)&(dwRevIVCounter), 3); memcpy(pbyBuf+3, pTransmitKey->abyKey, pTransmitKey->uKeyLength); if(pTransmitKey->uKeyLength == WLAN_WEP40_KEYLEN) { memcpy(pbyBuf+8, (PBYTE)&(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 |= (pDevice->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) = (BYTE)(((pDevice->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) = (BYTE)(((pDevice->byKeyIndex << 6) & 0xc0) | 0x20); // 0x20 is ExtIV *pdwIV |= cpu_to_le16((WORD)(pTransmitKey->wTSC15_0)); //Append IV&ExtIV after Mac Header *pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16); //Fill MICHDR0 *pMICHDR = 0x59; *((PBYTE)(pMICHDR+1)) = 0; // TxPriority memcpy(pMICHDR+2, &(pMACHeader->abyAddr2[0]), 6); *((PBYTE)(pMICHDR+8)) = HIBYTE(HIWORD(pTransmitKey->dwTSC47_16)); *((PBYTE)(pMICHDR+9)) = LOBYTE(HIWORD(pTransmitKey->dwTSC47_16)); *((PBYTE)(pMICHDR+10)) = HIBYTE(LOWORD(pTransmitKey->dwTSC47_16)); *((PBYTE)(pMICHDR+11)) = LOBYTE(LOWORD(pTransmitKey->dwTSC47_16)); *((PBYTE)(pMICHDR+12)) = HIBYTE(pTransmitKey->wTSC15_0); *((PBYTE)(pMICHDR+13)) = LOBYTE(pTransmitKey->wTSC15_0); *((PBYTE)(pMICHDR+14)) = HIBYTE(wPayloadLen); *((PBYTE)(pMICHDR+15)) = LOBYTE(wPayloadLen); //Fill MICHDR1 *((PBYTE)(pMICHDR+16)) = 0; // HLEN[15:8] if (pDevice->bLongHeader) { *((PBYTE)(pMICHDR+17)) = 28; // HLEN[7:0] } else { *((PBYTE)(pMICHDR+17)) = 22; // HLEN[7:0] } wValue = cpu_to_le16(pMACHeader->wFrameCtl & 0xC78F); memcpy(pMICHDR+18, (PBYTE)&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, (PBYTE)&wValue, 2); // MSKSEQCTL if (pDevice->bLongHeader) { memcpy(pMICHDR+40, &(pMACHeader->abyAddr4[0]), 6); } } } static void s_vSWencryption ( PSDevice pDevice, PSKeyItem pTransmitKey, PBYTE pbyPayloadHead, WORD wPayloadSize ) { unsigned int cbICVlen = 4; DWORD dwICV = 0xFFFFFFFFL; PDWORD pdwICV; if (pTransmitKey == NULL) return; if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) { //======================================================================= // Append ICV after payload dwICV = CRCdwGetCrc32Ex(pbyPayloadHead, wPayloadSize, dwICV);//ICV(Payload) pdwICV = (PDWORD)(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 = (PDWORD)(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, BYTE byPktType, unsigned int cbFrameLength, WORD 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, (WORD)pDevice->byTopCCKBasicRate); } else {//11g 2.4G OFDM mode & 11a 5G OFDM mode uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, (WORD)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, BYTE byRTSRsvType, BYTE byPktType, unsigned int cbFrameLength, WORD 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, BYTE byDurType, unsigned int cbFrameLength, BYTE byPktType, WORD wRate, BOOL bNeedAck, unsigned int uFragIdx, unsigned int cbLastFragmentSize, unsigned int uMACfragNum, BYTE 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 == 1)) {//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==1)) {//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==1)) {//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==1)) {//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, BYTE byDurType, unsigned int cbFrameLength, BYTE byPktType, WORD wRate, BOOL bNeedAck, BYTE 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, BYTE byPktType, WORD wCurrentRate, void *pTxDataHead, unsigned int cbFrameLength, unsigned int uDMAIdx, BOOL bNeedAck, unsigned int uFragIdx, unsigned int cbLastFragmentSize, unsigned int uMACfragNum, BYTE byFBOption ) { if (pTxDataHead == NULL) { return 0; } if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { if((uDMAIdx==TYPE_ATIMDMA)||(uDMAIdx==TYPE_BEACONDMA)) { PSTxDataHead_ab pBuf = (PSTxDataHead_ab)pTxDataHead; //Get SignalField,ServiceField,Length BBvCaculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, (PWORD)&(pBuf->wTransmitLength), (PBYTE)&(pBuf->byServiceField), (PBYTE)&(pBuf->bySignalField) ); //Get Duration and TimeStampOff pBuf->wDuration = (WORD)s_uGetDataDuration(pDevice, DATADUR_A, cbFrameLength, byPktType, wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //1: 2.4GHz if(uDMAIdx!=TYPE_ATIMDMA) { pBuf->wTimeStampOff = wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]; } return (pBuf->wDuration); } else { // DATA & MANAGE Frame if (byFBOption == AUTO_FB_NONE) { PSTxDataHead_g pBuf = (PSTxDataHead_g)pTxDataHead; //Get SignalField,ServiceField,Length BBvCaculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, (PWORD)&(pBuf->wTransmitLength_a), (PBYTE)&(pBuf->byServiceField_a), (PBYTE)&(pBuf->bySignalField_a) ); BBvCaculateParameter(pDevice, cbFrameLength, pDevice->byTopCCKBasicRate, PK_TYPE_11B, (PWORD)&(pBuf->wTransmitLength_b), (PBYTE)&(pBuf->byServiceField_b), (PBYTE)&(pBuf->bySignalField_b) ); //Get Duration and TimeStamp pBuf->wDuration_a = (WORD)s_uGetDataDuration(pDevice, DATADUR_A, cbFrameLength, byPktType, wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //1: 2.4GHz pBuf->wDuration_b = (WORD)s_uGetDataDuration(pDevice, DATADUR_B, cbFrameLength, PK_TYPE_11B, pDevice->byTopCCKBasicRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //1: 2.4GHz pBuf->wTimeStampOff_a = wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]; pBuf->wTimeStampOff_b = 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 BBvCaculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, (PWORD)&(pBuf->wTransmitLength_a), (PBYTE)&(pBuf->byServiceField_a), (PBYTE)&(pBuf->bySignalField_a) ); BBvCaculateParameter(pDevice, cbFrameLength, pDevice->byTopCCKBasicRate, PK_TYPE_11B, (PWORD)&(pBuf->wTransmitLength_b), (PBYTE)&(pBuf->byServiceField_b), (PBYTE)&(pBuf->bySignalField_b) ); //Get Duration and TimeStamp pBuf->wDuration_a = (WORD)s_uGetDataDuration(pDevice, DATADUR_A, cbFrameLength, byPktType, wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //1: 2.4GHz pBuf->wDuration_b = (WORD)s_uGetDataDuration(pDevice, DATADUR_B, cbFrameLength, PK_TYPE_11B, pDevice->byTopCCKBasicRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //1: 2.4GHz pBuf->wDuration_a_f0 = (WORD)s_uGetDataDuration(pDevice, DATADUR_A_F0, cbFrameLength, byPktType, wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //1: 2.4GHz pBuf->wDuration_a_f1 = (WORD)s_uGetDataDuration(pDevice, DATADUR_A_F1, cbFrameLength, byPktType, wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //1: 2.4GHz pBuf->wTimeStampOff_a = wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]; pBuf->wTimeStampOff_b = 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) && (uDMAIdx != TYPE_ATIMDMA) && (uDMAIdx != TYPE_BEACONDMA)) { // Auto Fallback PSTxDataHead_a_FB pBuf = (PSTxDataHead_a_FB)pTxDataHead; //Get SignalField,ServiceField,Length BBvCaculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, (PWORD)&(pBuf->wTransmitLength), (PBYTE)&(pBuf->byServiceField), (PBYTE)&(pBuf->bySignalField) ); //Get Duration and TimeStampOff pBuf->wDuration = (WORD)s_uGetDataDuration(pDevice, DATADUR_A, cbFrameLength, byPktType, wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //0: 5GHz pBuf->wDuration_f0 = (WORD)s_uGetDataDuration(pDevice, DATADUR_A_F0, cbFrameLength, byPktType, wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //0: 5GHz pBuf->wDuration_f1 = (WORD)s_uGetDataDuration(pDevice, DATADUR_A_F1, cbFrameLength, byPktType, wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //0: 5GHz if(uDMAIdx!=TYPE_ATIMDMA) { pBuf->wTimeStampOff = wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]; } return (pBuf->wDuration); } else { PSTxDataHead_ab pBuf = (PSTxDataHead_ab)pTxDataHead; //Get SignalField,ServiceField,Length BBvCaculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, (PWORD)&(pBuf->wTransmitLength), (PBYTE)&(pBuf->byServiceField), (PBYTE)&(pBuf->bySignalField) ); //Get Duration and TimeStampOff pBuf->wDuration = (WORD)s_uGetDataDuration(pDevice, DATADUR_A, cbFrameLength, byPktType, wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); if(uDMAIdx!=TYPE_ATIMDMA) { pBuf->wTimeStampOff = wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]; } return (pBuf->wDuration); } } else if (byPktType == PK_TYPE_11B) { PSTxDataHead_ab pBuf = (PSTxDataHead_ab)pTxDataHead; //Get SignalField,ServiceField,Length BBvCaculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, (PWORD)&(pBuf->wTransmitLength), (PBYTE)&(pBuf->byServiceField), (PBYTE)&(pBuf->bySignalField) ); //Get Duration and TimeStampOff pBuf->wDuration = (WORD)s_uGetDataDuration(pDevice, DATADUR_B, cbFrameLength, byPktType, wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); if (uDMAIdx != TYPE_ATIMDMA) { pBuf->wTimeStampOff = wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]; } return (pBuf->wDuration); } return 0; } static void s_vFillRTSHead ( PSDevice pDevice, BYTE byPktType, void *pvRTS, unsigned int cbFrameLength, BOOL bNeedAck, BOOL bDisCRC, PSEthernetHeader psEthHeader, WORD wCurrentRate, BYTE byFBOption ) { unsigned int uRTSFrameLen = 20; WORD 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 modified 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 BBvCaculateParameter(pDevice, uRTSFrameLen, pDevice->byTopCCKBasicRate, PK_TYPE_11B, (PWORD)&(wLen), (PBYTE)&(pBuf->byServiceField_b), (PBYTE)&(pBuf->bySignalField_b) ); pBuf->wTransmitLength_b = cpu_to_le16(wLen); BBvCaculateParameter(pDevice, uRTSFrameLen, pDevice->byTopOFDMBasicRate, byPktType, (PWORD)&(wLen), (PBYTE)&(pBuf->byServiceField_a), (PBYTE)&(pBuf->bySignalField_a) ); pBuf->wTransmitLength_a = cpu_to_le16(wLen); //Get Duration pBuf->wDuration_bb = cpu_to_le16((WORD)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((WORD)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((WORD)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 BBvCaculateParameter(pDevice, uRTSFrameLen, pDevice->byTopCCKBasicRate, PK_TYPE_11B, (PWORD)&(wLen), (PBYTE)&(pBuf->byServiceField_b), (PBYTE)&(pBuf->bySignalField_b) ); pBuf->wTransmitLength_b = cpu_to_le16(wLen); BBvCaculateParameter(pDevice, uRTSFrameLen, pDevice->byTopOFDMBasicRate, byPktType, (PWORD)&(wLen), (PBYTE)&(pBuf->byServiceField_a), (PBYTE)&(pBuf->bySignalField_a) ); pBuf->wTransmitLength_a = cpu_to_le16(wLen); //Get Duration pBuf->wDuration_bb = cpu_to_le16((WORD)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((WORD)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((WORD)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((WORD)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((WORD)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((WORD)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((WORD)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 BBvCaculateParameter(pDevice, uRTSFrameLen, pDevice->byTopOFDMBasicRate, byPktType, (PWORD)&(wLen), (PBYTE)&(pBuf->byServiceField), (PBYTE)&(pBuf->bySignalField) ); pBuf->wTransmitLength = cpu_to_le16(wLen); //Get Duration pBuf->wDuration = cpu_to_le16((WORD)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 BBvCaculateParameter(pDevice, uRTSFrameLen, pDevice->byTopOFDMBasicRate, byPktType, (PWORD)&(wLen), (PBYTE)&(pBuf->byServiceField), (PBYTE)&(pBuf->bySignalField) ); pBuf->wTransmitLength = cpu_to_le16(wLen); //Get Duration pBuf->wDuration = cpu_to_le16((WORD)s_uGetRTSCTSDuration(pDevice, RTSDUR_AA, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //0:RTSDuration_aa, 0:5G, 0: 5G OFDMData pBuf->wRTSDuration_f0 = cpu_to_le16((WORD)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((WORD)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 BBvCaculateParameter(pDevice, uRTSFrameLen, pDevice->byTopCCKBasicRate, PK_TYPE_11B, (PWORD)&(wLen), (PBYTE)&(pBuf->byServiceField), (PBYTE)&(pBuf->bySignalField) ); pBuf->wTransmitLength = cpu_to_le16(wLen); //Get Duration pBuf->wDuration = cpu_to_le16((WORD)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, BYTE byPktType, void *pvCTS, unsigned int cbFrameLength, BOOL bNeedAck, BOOL bDisCRC, WORD wCurrentRate, BYTE byFBOption ) { unsigned int uCTSFrameLen = 14; WORD 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 BBvCaculateParameter(pDevice, uCTSFrameLen, pDevice->byTopCCKBasicRate, PK_TYPE_11B, (PWORD)&(wLen), (PBYTE)&(pBuf->byServiceField_b), (PBYTE)&(pBuf->bySignalField_b) ); pBuf->wTransmitLength_b = cpu_to_le16(wLen); pBuf->wDuration_ba = (WORD)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 = (WORD)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 = (WORD)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 BBvCaculateParameter(pDevice, uCTSFrameLen, pDevice->byTopCCKBasicRate, PK_TYPE_11B, (PWORD)&(wLen), (PBYTE)&(pBuf->byServiceField_b), (PBYTE)&(pBuf->bySignalField_b) ); pBuf->wTransmitLength_b = cpu_to_le16(wLen); //Get CTSDuration_ba pBuf->wDuration_ba = cpu_to_le16((WORD)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 adpater * 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 * uDMAIdx - DMA Index * Out: * none * * Return Value: none * -*/ static void s_vGenerateTxParameter ( PSDevice pDevice, BYTE byPktType, WORD wCurrentRate, void *pTxBufHead, void *pvRrvTime, void *pvRTS, void *pvCTS, unsigned int cbFrameSize, BOOL bNeedACK, unsigned int uDMAIdx, PSEthernetHeader psEthHeader ) { unsigned int cbMACHdLen = WLAN_HDR_ADDR3_LEN; /* 24 */ WORD wFifoCtl; BOOL bDisCRC = FALSE; BYTE byFBOption = AUTO_FB_NONE; // WORD wCurrentRate = pDevice->wCurrentRate; //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"s_vGenerateTxParameter...\n"); 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((WORD)s_uGetRTSCTSRsvTime(pDevice, 2, byPktType, cbFrameSize, wCurrentRate));//2:RTSTxRrvTime_aa, 1:2.4GHz pBuf->wRTSTxRrvTime_ba = cpu_to_le16((WORD)s_uGetRTSCTSRsvTime(pDevice, 1, byPktType, cbFrameSize, wCurrentRate));//1:RTSTxRrvTime_ba, 1:2.4GHz pBuf->wRTSTxRrvTime_bb = cpu_to_le16((WORD)s_uGetRTSCTSRsvTime(pDevice, 0, byPktType, cbFrameSize, wCurrentRate));//0:RTSTxRrvTime_bb, 1:2.4GHz pBuf->wTxRrvTime_a = cpu_to_le16((WORD) s_uGetTxRsvTime(pDevice, byPktType, cbFrameSize, wCurrentRate, bNeedACK));//2.4G OFDM pBuf->wTxRrvTime_b = cpu_to_le16((WORD) 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((WORD)s_uGetTxRsvTime(pDevice, byPktType, cbFrameSize, wCurrentRate, bNeedACK));//2.4G OFDM pBuf->wTxRrvTime_b = cpu_to_le16((WORD)s_uGetTxRsvTime(pDevice, PK_TYPE_11B, cbFrameSize, pDevice->byTopCCKBasicRate, bNeedACK));//1:CCK pBuf->wCTSTxRrvTime_ba = cpu_to_le16((WORD)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((WORD)s_uGetRTSCTSRsvTime(pDevice, 2, byPktType, cbFrameSize, wCurrentRate));//2:RTSTxRrvTime_aa, 0:5GHz pBuf->wTxRrvTime = cpu_to_le16((WORD)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((WORD)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((WORD)s_uGetRTSCTSRsvTime(pDevice, 0, byPktType, cbFrameSize, wCurrentRate));//0:RTSTxRrvTime_bb, 1:2.4GHz pBuf->wTxRrvTime = cpu_to_le16((WORD)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((WORD)s_uGetTxRsvTime(pDevice, PK_TYPE_11B, cbFrameSize, wCurrentRate, bNeedACK)); //1:CCK } } } //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"s_vGenerateTxParameter END.\n"); } /* PBYTE pbyBuffer,//point to pTxBufHead WORD wFragType,//00:Non-Frag, 01:Start, 02:Mid, 03:Last unsigned int cbFragmentSize,//Hdr+payoad+FCS */ BOOL s_bPacketToWirelessUsb( PSDevice pDevice, BYTE byPktType, PBYTE usbPacketBuf, BOOL bNeedEncryption, unsigned int uSkbPacketLen, unsigned int uDMAIdx, PSEthernetHeader psEthHeader, PBYTE pPacket, PSKeyItem pTransmitKey, unsigned int uNodeIndex, WORD wCurrentRate, unsigned int *pcbHeaderLen, unsigned int *pcbTotalLen ) { PSMgmtObject pMgmt = &(pDevice->sMgmtObj); unsigned int cbFrameSize, cbFrameBodySize; PTX_BUFFER pTxBufHead; unsigned int cb802_1_H_len; unsigned int cbIVlen = 0, cbICVlen = 0, cbMIClen = 0, cbMACHdLen = 0, cbFCSlen = 4; unsigned int cbMICHDR = 0; BOOL bNeedACK,bRTS; PBYTE pbyType,pbyMacHdr,pbyIVHead,pbyPayloadHead,pbyTxBufferAddr; BYTE abySNAP_RFC1042[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00}; BYTE abySNAP_Bridgetunnel[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8}; unsigned int uDuration; unsigned int cbHeaderLength = 0, uPadding = 0; void *pvRrvTime; PSMICHDRHead pMICHDR; void *pvRTS; void *pvCTS; void *pvTxDataHd; BYTE byFBOption = AUTO_FB_NONE,byFragType; WORD wTxBufSize; DWORD dwMICKey0,dwMICKey1,dwMIC_Priority,dwCRC; PDWORD pdwMIC_L,pdwMIC_R; BOOL bSoftWEP = FALSE; pvRrvTime = pMICHDR = pvRTS = pvCTS = pvTxDataHd = NULL; if ((bNeedEncryption) && (pTransmitKey != NULL)) { if (((PSKeyTable) (pTransmitKey->pvKeyTable))->bSoftWEP == TRUE) { // WEP 256 bSoftWEP = TRUE; } } pTxBufHead = (PTX_BUFFER) usbPacketBuf; memset(pTxBufHead, 0, sizeof(TX_BUFFER)); // Get pkt type if (ntohs(psEthHeader->wType) > MAX_DATA_LEN) { if (pDevice->dwDiagRefCount == 0) { cb802_1_H_len = 8; } else { cb802_1_H_len = 2; } } else { cb802_1_H_len = 0; } cbFrameBodySize = uSkbPacketLen - ETH_HLEN + cb802_1_H_len; //Set packet type pTxBufHead->wFIFOCtl |= (WORD)(byPktType<<8); if (pDevice->dwDiagRefCount != 0) { bNeedACK = FALSE; pTxBufHead->wFIFOCtl = pTxBufHead->wFIFOCtl & (~FIFOCTL_NEEDACK); } else { //if (pDevice->dwDiagRefCount != 0) { if ((pDevice->eOPMode == OP_MODE_ADHOC) || (pDevice->eOPMode == OP_MODE_AP)) { if (IS_MULTICAST_ADDRESS(&(psEthHeader->abyDstAddr[0])) || IS_BROADCAST_ADDRESS(&(psEthHeader->abyDstAddr[0]))) { bNeedACK = FALSE; pTxBufHead->wFIFOCtl = pTxBufHead->wFIFOCtl & (~FIFOCTL_NEEDACK); } else { bNeedACK = TRUE; pTxBufHead->wFIFOCtl |= FIFOCTL_NEEDACK; } } else { // MSDUs in Infra mode always need ACK bNeedACK = TRUE; pTxBufHead->wFIFOCtl |= FIFOCTL_NEEDACK; } } //if (pDevice->dwDiagRefCount != 0) { pTxBufHead->wTimeStamp = DEFAULT_MSDU_LIFETIME_RES_64us; //Set FIFOCTL_LHEAD if (pDevice->bLongHeader) pTxBufHead->wFIFOCtl |= FIFOCTL_LHEAD; if (pDevice->bSoftwareGenCrcErr) { pTxBufHead->wFIFOCtl |= FIFOCTL_CRCDIS; // set tx descriptors to NO hardware CRC } //Set FRAGCTL_MACHDCNT if (pDevice->bLongHeader) { cbMACHdLen = WLAN_HDR_ADDR3_LEN + 6; } else { cbMACHdLen = WLAN_HDR_ADDR3_LEN; } pTxBufHead->wFragCtl |= (WORD)(cbMACHdLen << 10); //Set FIFOCTL_GrpAckPolicy if (pDevice->bGrpAckPolicy == TRUE) {//0000 0100 0000 0000 pTxBufHead->wFIFOCtl |= FIFOCTL_GRPACK; } //Set Auto Fallback Ctl if (wCurrentRate >= RATE_18M) { if (pDevice->byAutoFBCtrl == AUTO_FB_0) { pTxBufHead->wFIFOCtl |= FIFOCTL_AUTO_FB_0; byFBOption = AUTO_FB_0; } else if (pDevice->byAutoFBCtrl == AUTO_FB_1) { pTxBufHead->wFIFOCtl |= FIFOCTL_AUTO_FB_1; byFBOption = AUTO_FB_1; } } if (bSoftWEP != TRUE) { if ((bNeedEncryption) && (pTransmitKey != NULL)) { //WEP enabled if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) { //WEP40 or WEP104 pTxBufHead->wFragCtl |= FRAGCTL_LEGACY; } if (pTransmitKey->byCipherSuite == KEY_CTL_TKIP) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Tx Set wFragCtl == FRAGCTL_TKIP\n"); pTxBufHead->wFragCtl |= FRAGCTL_TKIP; } else if (pTransmitKey->byCipherSuite == KEY_CTL_CCMP) { //CCMP pTxBufHead->wFragCtl |= FRAGCTL_AES; } } } if ((bNeedEncryption) && (pTransmitKey != NULL)) { 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; } if (pTransmitKey->byCipherSuite == KEY_CTL_CCMP) { cbIVlen = 8;//RSN Header cbICVlen = 8;//MIC cbMICHDR = sizeof(SMICHDRHead); } if (bSoftWEP == FALSE) { //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) ) { bRTS = FALSE; } else { bRTS = TRUE; pTxBufHead->wFIFOCtl |= (FIFOCTL_RTS | FIFOCTL_LRETRY); } pbyTxBufferAddr = (PBYTE) &(pTxBufHead->adwTxKey[0]); 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 if (bRTS == FALSE) { //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) {//RTS_need 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(SRrvTime_ab) + cbMICHDR + sizeof(SRTS_ab)); cbHeaderLength = wTxBufSize + sizeof(PSRrvTime_ab) + cbMICHDR + sizeof(SRTS_ab) + sizeof(STxDataHead_ab); } else if (bRTS == FALSE) { //RTS_needless, no 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(SRrvTime_ab) + cbMICHDR + sizeof(SRTS_a_FB)); cbHeaderLength = wTxBufSize + sizeof(PSRrvTime_ab) + cbMICHDR + sizeof(SRTS_a_FB) + sizeof(STxDataHead_a_FB); } else if (bRTS == FALSE) { //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 } pbyMacHdr = (PBYTE)(pbyTxBufferAddr + cbHeaderLength); pbyIVHead = (PBYTE)(pbyMacHdr + cbMACHdLen + uPadding); pbyPayloadHead = (PBYTE)(pbyMacHdr + cbMACHdLen + uPadding + cbIVlen); //========================= // No Fragmentation //========================= DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"No Fragmentation...\n"); byFragType = FRAGCTL_NONFRAG; //uDMAIdx = TYPE_AC0DMA; //pTxBufHead = (PSTxBufHead) &(pTxBufHead->adwTxKey[0]); //Fill FIFO,RrvTime,RTS,and CTS s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, (void *)pbyTxBufferAddr, pvRrvTime, pvRTS, pvCTS, cbFrameSize, bNeedACK, uDMAIdx, psEthHeader); //Fill DataHead uDuration = s_uFillDataHead(pDevice, byPktType, wCurrentRate, pvTxDataHd, cbFrameSize, uDMAIdx, bNeedACK, 0, 0, 1/*uMACfragNum*/, byFBOption); // Generate TX MAC Header s_vGenerateMACHeader(pDevice, pbyMacHdr, (WORD)uDuration, psEthHeader, bNeedEncryption, byFragType, uDMAIdx, 0); if (bNeedEncryption == TRUE) { //Fill TXKEY s_vFillTxKey(pDevice, (PBYTE)(pTxBufHead->adwTxKey), pbyIVHead, pTransmitKey, pbyMacHdr, (WORD)cbFrameBodySize, (PBYTE)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) > MAX_DATA_LEN) { if (pDevice->dwDiagRefCount == 0) { if ( (psEthHeader->wType == TYPE_PKT_IPX) || (psEthHeader->wType == cpu_to_le16(0xF380))) { memcpy((PBYTE) (pbyPayloadHead), &abySNAP_Bridgetunnel[0], 6); } else { memcpy((PBYTE) (pbyPayloadHead), &abySNAP_RFC1042[0], 6); } pbyType = (PBYTE) (pbyPayloadHead + 6); memcpy(pbyType, &(psEthHeader->wType), sizeof(WORD)); } else { memcpy((PBYTE) (pbyPayloadHead), &(psEthHeader->wType), sizeof(WORD)); } } if (pPacket != NULL) { // Copy the Packet into a tx Buffer memcpy((pbyPayloadHead + cb802_1_H_len), (pPacket + ETH_HLEN), uSkbPacketLen - ETH_HLEN ); } else { // while bRelayPacketSend psEthHeader is point to header+payload memcpy((pbyPayloadHead + cb802_1_H_len), ((PBYTE)psEthHeader) + ETH_HLEN, uSkbPacketLen - ETH_HLEN); } ASSERT(uLength == cbNdisBodySize); if ((bNeedEncryption == TRUE) && (pTransmitKey != NULL) && (pTransmitKey->byCipherSuite == KEY_CTL_TKIP)) { /////////////////////////////////////////////////////////////////// if (pDevice->sMgmtObj.eAuthenMode == WMAC_AUTH_WPANONE) { dwMICKey0 = *(PDWORD)(&pTransmitKey->abyKey[16]); dwMICKey1 = *(PDWORD)(&pTransmitKey->abyKey[20]); } else if ((pTransmitKey->dwKeyIndex & AUTHENTICATOR_KEY) != 0) { dwMICKey0 = *(PDWORD)(&pTransmitKey->abyKey[16]); dwMICKey1 = *(PDWORD)(&pTransmitKey->abyKey[20]); } else { dwMICKey0 = *(PDWORD)(&pTransmitKey->abyKey[24]); dwMICKey1 = *(PDWORD)(&pTransmitKey->abyKey[28]); } // DO Software Michael MIC_vInit(dwMICKey0, dwMICKey1); MIC_vAppend((PBYTE)&(psEthHeader->abyDstAddr[0]), 12); dwMIC_Priority = 0; MIC_vAppend((PBYTE)&dwMIC_Priority, 4); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC KEY: %lX, %lX\n", dwMICKey0, dwMICKey1); /////////////////////////////////////////////////////////////////// //DBG_PRN_GRP12(("Length:%d, %d\n", cbFrameBodySize, uFromHDtoPLDLength)); //for (ii = 0; ii < cbFrameBodySize; ii++) { // DBG_PRN_GRP12(("%02x ", *((PBYTE)((pbyPayloadHead + cb802_1_H_len) + ii)))); //} //DBG_PRN_GRP12(("\n\n\n")); MIC_vAppend(pbyPayloadHead, cbFrameBodySize); pdwMIC_L = (PDWORD)(pbyPayloadHead + cbFrameBodySize); pdwMIC_R = (PDWORD)(pbyPayloadHead + 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:%lX, %lX\n", *pdwMIC_L, *pdwMIC_R); } if (bSoftWEP == TRUE) { s_vSWencryption(pDevice, pTransmitKey, (pbyPayloadHead), (WORD)(cbFrameBodySize + cbMIClen)); } else if ( ((pDevice->eEncryptionStatus == Ndis802_11Encryption1Enabled) && (bNeedEncryption == TRUE)) || ((pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) && (bNeedEncryption == TRUE)) || ((pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) && (bNeedEncryption == TRUE)) ) { cbFrameSize -= cbICVlen; } if (pDevice->bSoftwareGenCrcErr == TRUE) { unsigned int cbLen; PDWORD pdwCRC; dwCRC = 0xFFFFFFFFL; cbLen = cbFrameSize - cbFCSlen; // calculate CRC, and wrtie CRC value to end of TD dwCRC = CRCdwGetCrc32Ex(pbyMacHdr, cbLen, dwCRC); pdwCRC = (PDWORD)(pbyMacHdr + cbLen); // finally, we must invert dwCRC to get the correct answer *pdwCRC = ~dwCRC; // Force Error *pdwCRC -= 1; } else { cbFrameSize -= cbFCSlen; } *pcbHeaderLen = cbHeaderLength; *pcbTotalLen = cbHeaderLength + cbFrameSize ; //Set FragCtl in TxBufferHead pTxBufHead->wFragCtl |= (WORD)byFragType; return TRUE; } /*+ * * Description: * Translate 802.3 to 802.11 header * * Parameters: * In: * pDevice - Pointer to adpater * 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 s_vGenerateMACHeader ( PSDevice pDevice, PBYTE pbyBufferAddr, WORD wDuration, PSEthernetHeader psEthHeader, BOOL bNeedEncrypt, WORD wFragType, unsigned int uDMAIdx, unsigned int uFragIdx ) { PS802_11Header pMACHeader = (PS802_11Header)pbyBufferAddr; memset(pMACHeader, 0, (sizeof(S802_11Header))); //- sizeof(pMACHeader->dwIV))); 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((WORD)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((WORD)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; } } /*+ * * Description: * Request instructs a MAC to transmit a 802.11 management packet through * the adapter onto the medium. * * Parameters: * In: * hDeviceContext - Pointer to the adapter * pPacket - A pointer to a descriptor for the packet to transmit * Out: * none * * Return Value: CMD_STATUS_PENDING if MAC Tx resource avaliable; otherwise FALSE * -*/ CMD_STATUS csMgmt_xmit( PSDevice pDevice, PSTxMgmtPacket pPacket ) { BYTE byPktType; PBYTE 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; WORD wTxBufSize; unsigned int cbMacHdLen; SEthernetHeader sEthHeader; void *pvRrvTime; void *pMICHDR; PSMgmtObject pMgmt = &(pDevice->sMgmtObj); WORD wCurrentRate = RATE_1M; PTX_BUFFER pTX_Buffer; PUSB_SEND_CONTEXT pContext; pContext = (PUSB_SEND_CONTEXT)s_vGetFreeContext(pDevice); if (NULL == pContext) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ManagementSend TX...NO CONTEXT!\n"); return CMD_STATUS_RESOURCES; } pTX_Buffer = (PTX_BUFFER) (&pContext->Data[0]); pbyTxBufferAddr = (PBYTE)&(pTX_Buffer->adwTxKey[0]); cbFrameBodySize = pPacket->cbPayloadLen; pTxBufHead = (PSTxBufHead) pbyTxBufferAddr; wTxBufSize = sizeof(STxBufHead); memset(pTxBufHead, 0, wTxBufSize); if (pDevice->byBBType == BB_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 (pMgmt->eScanState != WMAC_NO_SCANNING) { RFbSetPower(pDevice, wCurrentRate, pDevice->byCurrentCh); } else { RFbSetPower(pDevice, wCurrentRate, pMgmt->uCurrChannel); } pDevice->wCurrentRate = wCurrentRate; //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_ADDRESS(&(pPacket->p80211Header->sA3.abyAddr1[0])) || IS_BROADCAST_ADDRESS(&(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; //Set Preamble type always long //pDevice->byPreambleType = PREAMBLE_LONG; // probe-response don't retry //if ((pPacket->p80211Header->sA4.wFrameCtl & TYPE_SUBTYPE_MASK) == TYPE_MGMT_PROBE_RSP) { // bNeedACK = FALSE; // pTxBufHead->wFIFOCtl &= (~FIFOCTL_NEEDACK); //} } 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((WORD)(cbMacHdLen << 10)); // Notes: // Although spec says MMPDU can be fragmented; In most case, // 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. //TKIPvMixKey(pTransmitKey->abyKey, pDevice->abyCurrentNetAddr, // pTransmitKey->wTSC15_0, pTransmitKey->dwTSC47_16, pDevice->abyPRNG); } 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 |= (WORD)FRAGCTL_NONFRAG; //Fill FIFO,RrvTime,RTS,and CTS s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, pbyTxBufferAddr, pvRrvTime, pvRTS, pCTS, cbFrameSize, bNeedACK, TYPE_TXDMA0, &sEthHeader); //Fill DataHead uDuration = s_uFillDataHead(pDevice, byPktType, wCurrentRate, pvTxDataHd, cbFrameSize, TYPE_TXDMA0, bNeedACK, 0, 0, 1, AUTO_FB_NONE); pMACHeader = (PS802_11Header) (pbyTxBufferAddr + cbHeaderSize); cbReqCount = cbHeaderSize + cbMacHdLen + uPadding + cbIVlen + cbFrameBodySize; if (WLAN_GET_FC_ISWEP(pPacket->p80211Header->sA4.wFrameCtl) != 0) { PBYTE pbyIVHead; PBYTE pbyPayloadHead; PBYTE pbyBSSID; PSKeyItem pTransmitKey = NULL; pbyIVHead = (PBYTE)(pbyTxBufferAddr + cbHeaderSize + cbMacHdLen + uPadding); pbyPayloadHead = (PBYTE)(pbyTxBufferAddr + cbHeaderSize + cbMacHdLen + uPadding + cbIVlen); 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, (PBYTE)(pTxBufHead->adwTxKey), pbyIVHead, pTransmitKey, (PBYTE)pMACHeader, (WORD)cbFrameBodySize, NULL); memcpy(pMACHeader, pPacket->p80211Header, cbMacHdLen); memcpy(pbyPayloadHead, ((PBYTE)(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 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); } } pTX_Buffer->wTxByteCount = cpu_to_le16((WORD)(cbReqCount)); pTX_Buffer->byPKTNO = (BYTE) (((wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); pTX_Buffer->byType = 0x00; pContext->pPacket = NULL; pContext->Type = CONTEXT_MGMT_PACKET; pContext->uBufLen = (WORD)cbReqCount + 4; //USB header if (WLAN_GET_FC_TODS(pMACHeader->wFrameCtl) == 0) { s_vSaveTxPktInfo(pDevice, (BYTE) (pTX_Buffer->byPKTNO & 0x0F), &(pMACHeader->abyAddr1[0]),(WORD)cbFrameSize,pTX_Buffer->wFIFOCtl); } else { s_vSaveTxPktInfo(pDevice, (BYTE) (pTX_Buffer->byPKTNO & 0x0F), &(pMACHeader->abyAddr3[0]),(WORD)cbFrameSize,pTX_Buffer->wFIFOCtl); } PIPEnsSendBulkOut(pDevice,pContext); return CMD_STATUS_PENDING; } CMD_STATUS csBeacon_xmit( PSDevice pDevice, PSTxMgmtPacket pPacket ) { unsigned int cbFrameSize = pPacket->cbMPDULen + WLAN_FCS_LEN; unsigned int cbHeaderSize = 0; WORD wTxBufSize = sizeof(STxShortBufHead); PSTxShortBufHead pTxBufHead; PS802_11Header pMACHeader; PSTxDataHead_ab pTxDataHead; WORD wCurrentRate; unsigned int cbFrameBodySize; unsigned int cbReqCount; PBEACON_BUFFER pTX_Buffer; PBYTE pbyTxBufferAddr; PUSB_SEND_CONTEXT pContext; CMD_STATUS status; pContext = (PUSB_SEND_CONTEXT)s_vGetFreeContext(pDevice); if (NULL == pContext) { status = CMD_STATUS_RESOURCES; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ManagementSend TX...NO CONTEXT!\n"); return status ; } pTX_Buffer = (PBEACON_BUFFER) (&pContext->Data[0]); pbyTxBufferAddr = (PBYTE)&(pTX_Buffer->wFIFOCtl); cbFrameBodySize = pPacket->cbPayloadLen; pTxBufHead = (PSTxShortBufHead) pbyTxBufferAddr; wTxBufSize = sizeof(STxShortBufHead); memset(pTxBufHead, 0, wTxBufSize); if (pDevice->byBBType == BB_TYPE_11A) { wCurrentRate = RATE_6M; pTxDataHead = (PSTxDataHead_ab) (pbyTxBufferAddr + wTxBufSize); //Get SignalField,ServiceField,Length BBvCaculateParameter(pDevice, cbFrameSize, wCurrentRate, PK_TYPE_11A, (PWORD)&(pTxDataHead->wTransmitLength), (PBYTE)&(pTxDataHead->byServiceField), (PBYTE)&(pTxDataHead->bySignalField) ); //Get Duration and TimeStampOff pTxDataHead->wDuration = cpu_to_le16((WORD)s_uGetDataDuration(pDevice, DATADUR_A, cbFrameSize, PK_TYPE_11A, wCurrentRate, FALSE, 0, 0, 1, AUTO_FB_NONE)); pTxDataHead->wTimeStampOff = wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]; cbHeaderSize = wTxBufSize + sizeof(STxDataHead_ab); } else { wCurrentRate = RATE_1M; pTxBufHead->wFIFOCtl |= FIFOCTL_11B; pTxDataHead = (PSTxDataHead_ab) (pbyTxBufferAddr + wTxBufSize); //Get SignalField,ServiceField,Length BBvCaculateParameter(pDevice, cbFrameSize, wCurrentRate, PK_TYPE_11B, (PWORD)&(pTxDataHead->wTransmitLength), (PBYTE)&(pTxDataHead->byServiceField), (PBYTE)&(pTxDataHead->bySignalField) ); //Get Duration and TimeStampOff pTxDataHead->wDuration = cpu_to_le16((WORD)s_uGetDataDuration(pDevice, DATADUR_B, cbFrameSize, PK_TYPE_11B, wCurrentRate, FALSE, 0, 0, 1, AUTO_FB_NONE)); pTxDataHead->wTimeStampOff = wTimeStampOff[pDevice->byPreambleType%2][wCurrentRate%MAX_RATE]; cbHeaderSize = wTxBufSize + sizeof(STxDataHead_ab); } //Generate Beacon Header pMACHeader = (PS802_11Header)(pbyTxBufferAddr + 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; cbReqCount = cbHeaderSize + WLAN_HDR_ADDR3_LEN + cbFrameBodySize; pTX_Buffer->wTxByteCount = (WORD)cbReqCount; pTX_Buffer->byPKTNO = (BYTE) (((wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); pTX_Buffer->byType = 0x01; pContext->pPacket = NULL; pContext->Type = CONTEXT_MGMT_PACKET; pContext->uBufLen = (WORD)cbReqCount + 4; //USB header PIPEnsSendBulkOut(pDevice,pContext); return CMD_STATUS_PENDING; } void vDMA0_tx_80211(PSDevice pDevice, struct sk_buff *skb) { PSMgmtObject pMgmt = &(pDevice->sMgmtObj); BYTE byPktType; PBYTE 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; DWORD dwMICKey0, dwMICKey1; DWORD dwMIC_Priority; PDWORD pdwMIC_L; PDWORD pdwMIC_R; WORD wTxBufSize; unsigned int cbMacHdLen; SEthernetHeader sEthHeader; void *pvRrvTime; void *pMICHDR; WORD wCurrentRate = RATE_1M; PUWLAN_80211HDR p80211Header; unsigned int uNodeIndex = 0; BOOL bNodeExist = FALSE; SKeyItem STempKey; PSKeyItem pTransmitKey = NULL; PBYTE pbyIVHead; PBYTE pbyPayloadHead; PBYTE pbyMacHdr; unsigned int cbExtSuppRate = 0; PTX_BUFFER pTX_Buffer; PUSB_SEND_CONTEXT pContext; // PWLAN_IE pItem; pvRrvTime = pMICHDR = pvRTS = pvCTS = pvTxDataHd = NULL; if(skb->len <= WLAN_HDR_ADDR3_LEN) { cbFrameBodySize = 0; } else { cbFrameBodySize = skb->len - WLAN_HDR_ADDR3_LEN; } p80211Header = (PUWLAN_80211HDR)skb->data; pContext = (PUSB_SEND_CONTEXT)s_vGetFreeContext(pDevice); if (NULL == pContext) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"DMA0 TX...NO CONTEXT!\n"); dev_kfree_skb_irq(skb); return ; } pTX_Buffer = (PTX_BUFFER)(&pContext->Data[0]); pbyTxBufferAddr = (PBYTE)(&pTX_Buffer->adwTxKey[0]); pTxBufHead = (PSTxBufHead) pbyTxBufferAddr; wTxBufSize = sizeof(STxBufHead); memset(pTxBufHead, 0, wTxBufSize); if (pDevice->byBBType == BB_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 (pMgmt->eScanState != WMAC_NO_SCANNING) { RFbSetPower(pDevice, wCurrentRate, pDevice->byCurrentCh); } else { RFbSetPower(pDevice, wCurrentRate, pMgmt->uCurrChannel); } 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_ADDRESS(&(p80211Header->sA3.abyAddr1[0])) || IS_BROADCAST_ADDRESS(&(p80211Header->sA3.abyAddr1[0]))) { bNeedACK = FALSE; if (pDevice->bEnableHostWEP) { uNodeIndex = 0; bNodeExist = TRUE; }; } else { if (pDevice->bEnableHostWEP) { if (BSSbIsSTAInNodeDB(pDevice, (PBYTE)(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; //Set Preamble type always long //pDevice->byPreambleType = PREAMBLE_LONG; // probe-response don't retry //if ((p80211Header->sA4.wFrameCtl & TYPE_SUBTYPE_MASK) == TYPE_MGMT_PROBE_RSP) { // bNeedACK = FALSE; // pTxBufHead->wFIFOCtl &= (~FIFOCTL_NEEDACK); //} } 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((WORD)cbMacHdLen << 10); // Notes: // Although spec says MMPDU can be fragmented; In most case, // 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. //TKIPvMixKey(pTransmitKey->abyKey, pDevice->abyCurrentNetAddr, // pTransmitKey->wTSC15_0, pTransmitKey->dwTSC47_16, pDevice->abyPRNG); } 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 |= (WORD)FRAGCTL_NONFRAG; //Fill FIFO,RrvTime,RTS,and CTS s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, pbyTxBufferAddr, pvRrvTime, pvRTS, pvCTS, cbFrameSize, bNeedACK, TYPE_TXDMA0, &sEthHeader); //Fill DataHead uDuration = s_uFillDataHead(pDevice, byPktType, wCurrentRate, pvTxDataHd, cbFrameSize, TYPE_TXDMA0, bNeedACK, 0, 0, 1, AUTO_FB_NONE); pMACHeader = (PS802_11Header) (pbyTxBufferAddr + cbHeaderSize); cbReqCount = cbHeaderSize + cbMacHdLen + uPadding + cbIVlen + (cbFrameBodySize + cbMIClen) + cbExtSuppRate; pbyMacHdr = (PBYTE)(pbyTxBufferAddr + cbHeaderSize); pbyPayloadHead = (PBYTE)(pbyMacHdr + cbMacHdLen + uPadding + cbIVlen); pbyIVHead = (PBYTE)(pbyMacHdr + cbMacHdLen + uPadding); // Copy the Packet into a tx Buffer memcpy(pbyMacHdr, skb->data, cbMacHdLen); // version set to 0, patch for hostapd deamon pMACHeader->wFrameCtl &= cpu_to_le16(0xfffc); memcpy(pbyPayloadHead, (skb->data + 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 = *(PDWORD)(&pTransmitKey->abyKey[16]); dwMICKey1 = *(PDWORD)(&pTransmitKey->abyKey[20]); // DO Software Michael MIC_vInit(dwMICKey0, dwMICKey1); MIC_vAppend((PBYTE)&(sEthHeader.abyDstAddr[0]), 12); dwMIC_Priority = 0; MIC_vAppend((PBYTE)&dwMIC_Priority, 4); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"DMA0_tx_8021:MIC KEY: %lX, %lX\n", dwMICKey0, dwMICKey1); uLength = cbHeaderSize + cbMacHdLen + uPadding + cbIVlen; MIC_vAppend((pbyTxBufferAddr + uLength), cbFrameBodySize); pdwMIC_L = (PDWORD)(pbyTxBufferAddr + uLength + cbFrameBodySize); pdwMIC_R = (PDWORD)(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:%lx, %lx\n", *pdwMIC_L, *pdwMIC_R); } s_vFillTxKey(pDevice, (PBYTE)(pTxBufHead->adwTxKey), pbyIVHead, pTransmitKey, pbyMacHdr, (WORD)cbFrameBodySize, (PBYTE)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, (WORD)(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); } } pTX_Buffer->wTxByteCount = cpu_to_le16((WORD)(cbReqCount)); pTX_Buffer->byPKTNO = (BYTE) (((wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); pTX_Buffer->byType = 0x00; pContext->pPacket = skb; pContext->Type = CONTEXT_MGMT_PACKET; pContext->uBufLen = (WORD)cbReqCount + 4; //USB header if (WLAN_GET_FC_TODS(pMACHeader->wFrameCtl) == 0) { s_vSaveTxPktInfo(pDevice, (BYTE) (pTX_Buffer->byPKTNO & 0x0F), &(pMACHeader->abyAddr1[0]),(WORD)cbFrameSize,pTX_Buffer->wFIFOCtl); } else { s_vSaveTxPktInfo(pDevice, (BYTE) (pTX_Buffer->byPKTNO & 0x0F), &(pMACHeader->abyAddr3[0]),(WORD)cbFrameSize,pTX_Buffer->wFIFOCtl); } PIPEnsSendBulkOut(pDevice,pContext); return ; } //TYPE_AC0DMA data tx /* * Description: * Tx packet via AC0DMA(DMA1) * * Parameters: * In: * pDevice - Pointer to the adapter * skb - Pointer to tx skb packet * Out: * void * * Return Value: NULL */ NTSTATUS nsDMA_tx_packet( PSDevice pDevice, unsigned int uDMAIdx, struct sk_buff *skb ) { PSMgmtObject pMgmt = &(pDevice->sMgmtObj); unsigned int BytesToWrite = 0, uHeaderLen = 0; unsigned int uNodeIndex = 0; BYTE byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80}; WORD wAID; BYTE byPktType; BOOL bNeedEncryption = FALSE; PSKeyItem pTransmitKey = NULL; SKeyItem STempKey; unsigned int ii; BOOL bTKIP_UseGTK = FALSE; BOOL bNeedDeAuth = FALSE; PBYTE pbyBSSID; BOOL bNodeExist = FALSE; PUSB_SEND_CONTEXT pContext; BOOL fConvertedPacket; PTX_BUFFER pTX_Buffer; unsigned int status; WORD wKeepRate = pDevice->wCurrentRate; struct net_device_stats* pStats = &pDevice->stats; //#ifdef WPA_SM_Transtatus // extern SWPAResult wpa_Result; //#endif BOOL bTxeapol_key = FALSE; if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { if (pDevice->uAssocCount == 0) { dev_kfree_skb_irq(skb); return 0; } if (IS_MULTICAST_ADDRESS((PBYTE)(skb->data))) { uNodeIndex = 0; bNodeExist = TRUE; if (pMgmt->sNodeDBTable[0].bPSEnable) { skb_queue_tail(&(pMgmt->sNodeDBTable[0].sTxPSQueue), skb); pMgmt->sNodeDBTable[0].wEnQueueCnt++; // set tx map pMgmt->abyPSTxMap[0] |= byMask[0]; return 0; } // muticast/broadcast data rate if (pDevice->byBBType != BB_TYPE_11A) pDevice->wCurrentRate = RATE_2M; else pDevice->wCurrentRate = RATE_24M; // long preamble type pDevice->byPreambleType = PREAMBLE_SHORT; }else { if (BSSbIsSTAInNodeDB(pDevice, (PBYTE)(skb->data), &uNodeIndex)) { if (pMgmt->sNodeDBTable[uNodeIndex].bPSEnable) { skb_queue_tail(&pMgmt->sNodeDBTable[uNodeIndex].sTxPSQueue, skb); pMgmt->sNodeDBTable[uNodeIndex].wEnQueueCnt++; // set tx map wAID = pMgmt->sNodeDBTable[uNodeIndex].wAID; pMgmt->abyPSTxMap[wAID >> 3] |= byMask[wAID & 7]; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Set:pMgmt->abyPSTxMap[%d]= %d\n", (wAID >> 3), pMgmt->abyPSTxMap[wAID >> 3]); return 0; } // AP rate decided from node pDevice->wCurrentRate = pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate; // tx preamble decided from node if (pMgmt->sNodeDBTable[uNodeIndex].bShortPreamble) { pDevice->byPreambleType = pDevice->byShortPreamble; }else { pDevice->byPreambleType = PREAMBLE_LONG; } bNodeExist = TRUE; } } if (bNodeExist == FALSE) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"Unknown STA not found in node DB \n"); dev_kfree_skb_irq(skb); return 0; } } pContext = (PUSB_SEND_CONTEXT)s_vGetFreeContext(pDevice); if (pContext == NULL) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG" pContext == NULL\n"); dev_kfree_skb_irq(skb); return STATUS_RESOURCES; } memcpy(pDevice->sTxEthHeader.abyDstAddr, (PBYTE)(skb->data), ETH_HLEN); //mike add:station mode check eapol-key challenge---> { BYTE Protocol_Version; //802.1x Authentication BYTE Packet_Type; //802.1x Authentication BYTE Descriptor_type; WORD Key_info; Protocol_Version = skb->data[ETH_HLEN]; Packet_Type = skb->data[ETH_HLEN+1]; Descriptor_type = skb->data[ETH_HLEN+1+1+2]; Key_info = (skb->data[ETH_HLEN+1+1+2+1] << 8)|(skb->data[ETH_HLEN+1+1+2+2]); if (pDevice->sTxEthHeader.wType == TYPE_PKT_802_1x) { if(((Protocol_Version==1) ||(Protocol_Version==2)) && (Packet_Type==3)) { //802.1x OR eapol-key challenge frame transfer bTxeapol_key = TRUE; if(!(Key_info & BIT3) && //WPA or RSN group-key challenge (Key_info & BIT8) && (Key_info & BIT9)) { //send 2/2 key if(Descriptor_type==254) { pDevice->fWPA_Authened = TRUE; PRINT_K("WPA "); } else { pDevice->fWPA_Authened = TRUE; PRINT_K("WPA2(re-keying) "); } PRINT_K("Authentication completed!!\n"); } else if((Key_info & BIT3) && (Descriptor_type==2) && //RSN pairse-key challenge (Key_info & BIT8) && (Key_info & BIT9)) { pDevice->fWPA_Authened = TRUE; PRINT_K("WPA2 Authentication completed!!\n"); } } } } //mike add:station mode check eapol-key challenge<--- if (pDevice->bEncryptionEnable == TRUE) { bNeedEncryption = TRUE; // get Transmit key do { if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && (pMgmt->eCurrState == WMAC_STATE_ASSOC)) { 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) { bTKIP_UseGTK = TRUE; DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"Get GTK.\n"); break; } } else { DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"Get PTK.\n"); break; } }else if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) { pbyBSSID = pDevice->sTxEthHeader.abyDstAddr; //TO_DS = 0 and FROM_DS = 0 --> 802.11 MAC Address1 DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"IBSS Serach Key: \n"); for (ii = 0; ii< 6; ii++) DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"%x \n", *(pbyBSSID+ii)); DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"\n"); // get pairwise key if(KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, PAIRWISE_KEY, &pTransmitKey) == TRUE) break; } // get group key pbyBSSID = pDevice->abyBroadcastAddr; if(KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, GROUP_KEY, &pTransmitKey) == FALSE) { pTransmitKey = NULL; if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"IBSS and KEY is NULL. [%d]\n", pMgmt->eCurrMode); } else DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"NOT IBSS and KEY is NULL. [%d]\n", pMgmt->eCurrMode); } else { bTKIP_UseGTK = TRUE; DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"Get GTK.\n"); } } while(FALSE); } if (pDevice->bEnableHostWEP) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"acdma0: STA index %d\n", uNodeIndex); if (pDevice->bEncryptionEnable == TRUE) { 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 ); } } byPktType = (BYTE)pDevice->byPacketType; if (pDevice->bFixRate) { if (pDevice->byBBType == BB_TYPE_11B) { if (pDevice->uConnectionRate >= RATE_11M) { pDevice->wCurrentRate = RATE_11M; } else { pDevice->wCurrentRate = (WORD)pDevice->uConnectionRate; } } else { if ((pDevice->byBBType == BB_TYPE_11A) && (pDevice->uConnectionRate <= RATE_6M)) { pDevice->wCurrentRate = RATE_6M; } else { if (pDevice->uConnectionRate >= RATE_54M) pDevice->wCurrentRate = RATE_54M; else pDevice->wCurrentRate = (WORD)pDevice->uConnectionRate; } } } else { if (pDevice->eOPMode == OP_MODE_ADHOC) { // Adhoc Tx rate decided from node DB if (IS_MULTICAST_ADDRESS(&(pDevice->sTxEthHeader.abyDstAddr[0]))) { // Multicast use highest data rate pDevice->wCurrentRate = pMgmt->sNodeDBTable[0].wTxDataRate; // preamble type pDevice->byPreambleType = pDevice->byShortPreamble; } else { if(BSSbIsSTAInNodeDB(pDevice, &(pDevice->sTxEthHeader.abyDstAddr[0]), &uNodeIndex)) { pDevice->wCurrentRate = pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate; if (pMgmt->sNodeDBTable[uNodeIndex].bShortPreamble) { pDevice->byPreambleType = pDevice->byShortPreamble; } else { pDevice->byPreambleType = PREAMBLE_LONG; } DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Found Node Index is [%d] Tx Data Rate:[%d]\n",uNodeIndex, pDevice->wCurrentRate); } else { if (pDevice->byBBType != BB_TYPE_11A) pDevice->wCurrentRate = RATE_2M; else pDevice->wCurrentRate = RATE_24M; // refer to vMgrCreateOwnIBSS()'s // abyCurrExtSuppRates[] pDevice->byPreambleType = PREAMBLE_SHORT; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Not Found Node use highest basic Rate.....\n"); } } } if (pDevice->eOPMode == OP_MODE_INFRASTRUCTURE) { // Infra STA rate decided from AP Node, index = 0 pDevice->wCurrentRate = pMgmt->sNodeDBTable[0].wTxDataRate; } } if (pDevice->sTxEthHeader.wType == TYPE_PKT_802_1x) { if (pDevice->byBBType != BB_TYPE_11A) { pDevice->wCurrentRate = RATE_1M; pDevice->byACKRate = RATE_1M; pDevice->byTopCCKBasicRate = RATE_1M; pDevice->byTopOFDMBasicRate = RATE_6M; } else { pDevice->wCurrentRate = RATE_6M; pDevice->byACKRate = RATE_6M; pDevice->byTopCCKBasicRate = RATE_1M; pDevice->byTopOFDMBasicRate = RATE_6M; } } DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dma_tx: pDevice->wCurrentRate = %d\n", pDevice->wCurrentRate); if (wKeepRate != pDevice->wCurrentRate) { bScheduleCommand((void *) pDevice, WLAN_CMD_SETPOWER, NULL); } if (pDevice->wCurrentRate <= RATE_11M) { byPktType = PK_TYPE_11B; } if (bNeedEncryption == TRUE) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ntohs Pkt Type=%04x\n", ntohs(pDevice->sTxEthHeader.wType)); if ((pDevice->sTxEthHeader.wType) == TYPE_PKT_802_1x) { bNeedEncryption = FALSE; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Pkt Type=%04x\n", (pDevice->sTxEthHeader.wType)); if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && (pMgmt->eCurrState == WMAC_STATE_ASSOC)) { if (pTransmitKey == NULL) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Don't Find TX KEY\n"); } else { if (bTKIP_UseGTK == TRUE) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"error: KEY is GTK!!~~\n"); } else { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Find PTK [%lX]\n", pTransmitKey->dwKeyIndex); bNeedEncryption = TRUE; } } } if (pDevice->byCntMeasure == 2) { bNeedDeAuth = TRUE; pDevice->s802_11Counter.TKIPCounterMeasuresInvoked++; } if (pDevice->bEnableHostWEP) { if ((uNodeIndex != 0) && (pMgmt->sNodeDBTable[uNodeIndex].dwKeyIndex & PAIRWISE_KEY)) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Find PTK [%lX]\n", pTransmitKey->dwKeyIndex); bNeedEncryption = TRUE; } } } else { if (pTransmitKey == NULL) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"return no tx key\n"); dev_kfree_skb_irq(skb); pStats->tx_dropped++; return STATUS_FAILURE; } } } fConvertedPacket = s_bPacketToWirelessUsb(pDevice, byPktType, (PBYTE)(&pContext->Data[0]), bNeedEncryption, skb->len, uDMAIdx, &pDevice->sTxEthHeader, (PBYTE)skb->data, pTransmitKey, uNodeIndex, pDevice->wCurrentRate, &uHeaderLen, &BytesToWrite ); if (fConvertedPacket == FALSE) { pContext->bBoolInUse = FALSE; dev_kfree_skb_irq(skb); return STATUS_FAILURE; } if ( pDevice->bEnablePSMode == TRUE ) { if ( !pDevice->bPSModeTxBurst ) { bScheduleCommand((void *) pDevice, WLAN_CMD_MAC_DISPOWERSAVING, NULL); pDevice->bPSModeTxBurst = TRUE; } } pTX_Buffer = (PTX_BUFFER)&(pContext->Data[0]); pTX_Buffer->byPKTNO = (BYTE) (((pDevice->wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); pTX_Buffer->wTxByteCount = (WORD)BytesToWrite; pContext->pPacket = skb; pContext->Type = CONTEXT_DATA_PACKET; pContext->uBufLen = (WORD)BytesToWrite + 4 ; //USB header s_vSaveTxPktInfo(pDevice, (BYTE) (pTX_Buffer->byPKTNO & 0x0F), &(pContext->sEthHeader.abyDstAddr[0]),(WORD) (BytesToWrite-uHeaderLen),pTX_Buffer->wFIFOCtl); status = PIPEnsSendBulkOut(pDevice,pContext); if (bNeedDeAuth == TRUE) { WORD wReason = WLAN_MGMT_REASON_MIC_FAILURE; bScheduleCommand((void *) pDevice, WLAN_CMD_DEAUTH, (PBYTE) &wReason); } if(status!=STATUS_PENDING) { pContext->bBoolInUse = FALSE; dev_kfree_skb_irq(skb); return STATUS_FAILURE; } else return 0; } /* * Description: * Relay packet send (AC1DMA) from rx dpc. * * Parameters: * In: * pDevice - Pointer to the adapter * pPacket - Pointer to rx packet * cbPacketSize - rx ethernet frame size * Out: * TURE, FALSE * * Return Value: Return TRUE if packet is copy to dma1; otherwise FALSE */ BOOL bRelayPacketSend ( PSDevice pDevice, PBYTE pbySkbData, unsigned int uDataLen, unsigned int uNodeIndex ) { PSMgmtObject pMgmt = &(pDevice->sMgmtObj); unsigned int BytesToWrite = 0, uHeaderLen = 0; BYTE byPktType = PK_TYPE_11B; BOOL bNeedEncryption = FALSE; SKeyItem STempKey; PSKeyItem pTransmitKey = NULL; PBYTE pbyBSSID; PUSB_SEND_CONTEXT pContext; BYTE byPktTyp; BOOL fConvertedPacket; PTX_BUFFER pTX_Buffer; unsigned int status; WORD wKeepRate = pDevice->wCurrentRate; pContext = (PUSB_SEND_CONTEXT)s_vGetFreeContext(pDevice); if (NULL == pContext) { return FALSE; } memcpy(pDevice->sTxEthHeader.abyDstAddr, (PBYTE)pbySkbData, ETH_HLEN); if (pDevice->bEncryptionEnable == TRUE) { bNeedEncryption = TRUE; // get group key pbyBSSID = pDevice->abyBroadcastAddr; if(KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, GROUP_KEY, &pTransmitKey) == FALSE) { pTransmitKey = NULL; DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"KEY is NULL. [%d]\n", pMgmt->eCurrMode); } else { DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"Get GTK.\n"); } } if (pDevice->bEnableHostWEP) { if (uNodeIndex < MAX_NODE_NUM + 1) { pTransmitKey = &STempKey; pTransmitKey->byCipherSuite = pMgmt->sNodeDBTable[uNodeIndex].byCipherSuite; pTransmitKey->dwKeyIndex = pMgmt->sNodeDBTable[uNodeIndex].dwKeyIndex; pTransmitKey->uKeyLength = pMgmt->sNodeDBTable[uNodeIndex].uWepKeyLength; pTransmitKey->dwTSC47_16 = pMgmt->sNodeDBTable[uNodeIndex].dwTSC47_16; pTransmitKey->wTSC15_0 = pMgmt->sNodeDBTable[uNodeIndex].wTSC15_0; memcpy(pTransmitKey->abyKey, &pMgmt->sNodeDBTable[uNodeIndex].abyWepKey[0], pTransmitKey->uKeyLength ); } } if ( bNeedEncryption && (pTransmitKey == NULL) ) { pContext->bBoolInUse = FALSE; return FALSE; } byPktTyp = (BYTE)pDevice->byPacketType; if (pDevice->bFixRate) { if (pDevice->byBBType == BB_TYPE_11B) { if (pDevice->uConnectionRate >= RATE_11M) { pDevice->wCurrentRate = RATE_11M; } else { pDevice->wCurrentRate = (WORD)pDevice->uConnectionRate; } } else { if ((pDevice->byBBType == BB_TYPE_11A) && (pDevice->uConnectionRate <= RATE_6M)) { pDevice->wCurrentRate = RATE_6M; } else { if (pDevice->uConnectionRate >= RATE_54M) pDevice->wCurrentRate = RATE_54M; else pDevice->wCurrentRate = (WORD)pDevice->uConnectionRate; } } } else { pDevice->wCurrentRate = pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate; } if (wKeepRate != pDevice->wCurrentRate) { bScheduleCommand((void *) pDevice, WLAN_CMD_SETPOWER, NULL); } if (pDevice->wCurrentRate <= RATE_11M) byPktType = PK_TYPE_11B; BytesToWrite = uDataLen + U_CRC_LEN; // Convert the packet to an usb frame and copy into our buffer // and send the irp. fConvertedPacket = s_bPacketToWirelessUsb(pDevice, byPktType, (PBYTE)(&pContext->Data[0]), bNeedEncryption, uDataLen, TYPE_AC0DMA, &pDevice->sTxEthHeader, pbySkbData, pTransmitKey, uNodeIndex, pDevice->wCurrentRate, &uHeaderLen, &BytesToWrite ); if (fConvertedPacket == FALSE) { pContext->bBoolInUse = FALSE; return FALSE; } pTX_Buffer = (PTX_BUFFER)&(pContext->Data[0]); pTX_Buffer->byPKTNO = (BYTE) (((pDevice->wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); pTX_Buffer->wTxByteCount = (WORD)BytesToWrite; pContext->pPacket = NULL; pContext->Type = CONTEXT_DATA_PACKET; pContext->uBufLen = (WORD)BytesToWrite + 4 ; //USB header s_vSaveTxPktInfo(pDevice, (BYTE) (pTX_Buffer->byPKTNO & 0x0F), &(pContext->sEthHeader.abyDstAddr[0]),(WORD) (BytesToWrite-uHeaderLen),pTX_Buffer->wFIFOCtl); status = PIPEnsSendBulkOut(pDevice,pContext); return TRUE; }