diff options
Diffstat (limited to 'drivers/staging/vt6656/rxtx.c')
| -rw-r--r-- | drivers/staging/vt6656/rxtx.c | 2928 |
1 files changed, 2928 insertions, 0 deletions
diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c new file mode 100644 index 00000000..9bf2f8d5 --- /dev/null +++ b/drivers/staging/vt6656/rxtx.c @@ -0,0 +1,2928 @@ +/* + * 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" +#include "iocmd.h" + +static int msglevel = MSG_LEVEL_INFO; + +const u16 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 u16 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 u16 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 void s_vSaveTxPktInfo(struct vnt_private *pDevice, u8 byPktNum, + u8 *pbyDestAddr, u16 wPktLength, u16 wFIFOCtl); + +static void *s_vGetFreeContext(struct vnt_private *pDevice); + +static void s_vGenerateTxParameter(struct vnt_private *pDevice, + u8 byPktType, u16 wCurrentRate, void *pTxBufHead, void *pvRrvTime, + void *pvRTS, void *pvCTS, u32 cbFrameSize, int bNeedACK, u32 uDMAIdx, + struct ethhdr *psEthHeader); + +static u32 s_uFillDataHead(struct vnt_private *pDevice, + u8 byPktType, u16 wCurrentRate, void *pTxDataHead, u32 cbFrameLength, + u32 uDMAIdx, int bNeedAck, u32 uFragIdx, u32 cbLastFragmentSize, + u32 uMACfragNum, u8 byFBOption); + +static void s_vGenerateMACHeader(struct vnt_private *pDevice, + u8 *pbyBufferAddr, u16 wDuration, struct ethhdr *psEthHeader, + int bNeedEncrypt, u16 wFragType, u32 uDMAIdx, u32 uFragIdx); + +static void s_vFillTxKey(struct vnt_private *pDevice, u8 *pbyBuf, + u8 *pbyIVHead, PSKeyItem pTransmitKey, u8 *pbyHdrBuf, u16 wPayloadLen, + u8 *pMICHDR); + +static void s_vSWencryption(struct vnt_private *pDevice, + PSKeyItem pTransmitKey, u8 *pbyPayloadHead, u16 wPayloadSize); + +static unsigned int s_uGetTxRsvTime(struct vnt_private *pDevice, u8 byPktType, + u32 cbFrameLength, u16 wRate, int bNeedAck); + +static u32 s_uGetRTSCTSRsvTime(struct vnt_private *pDevice, u8 byRTSRsvType, + u8 byPktType, u32 cbFrameLength, u16 wCurrentRate); + +static void s_vFillCTSHead(struct vnt_private *pDevice, u32 uDMAIdx, + u8 byPktType, void *pvCTS, u32 cbFrameLength, int bNeedAck, + int bDisCRC, u16 wCurrentRate, u8 byFBOption); + +static void s_vFillRTSHead(struct vnt_private *pDevice, u8 byPktType, + void *pvRTS, u32 cbFrameLength, int bNeedAck, int bDisCRC, + struct ethhdr *psEthHeader, u16 wCurrentRate, u8 byFBOption); + +static u32 s_uGetDataDuration(struct vnt_private *pDevice, u8 byDurType, + u32 cbFrameLength, u8 byPktType, u16 wRate, int bNeedAck, + u32 uFragIdx, u32 cbLastFragmentSize, u32 uMACfragNum, + u8 byFBOption); + +static unsigned int s_uGetRTSCTSDuration(struct vnt_private *pDevice, + u8 byDurType, u32 cbFrameLength, u8 byPktType, u16 wRate, + int bNeedAck, u8 byFBOption); + +static void *s_vGetFreeContext(struct vnt_private *pDevice) +{ + PUSB_SEND_CONTEXT pContext = NULL; + PUSB_SEND_CONTEXT pReturnContext = NULL; + 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(struct vnt_private *pDevice, u8 byPktNum, + u8 *pbyDestAddr, u16 wPktLength, u16 wFIFOCtl) +{ + PSStatCounter pStatistic = &pDevice->scStatistic; + + if (is_broadcast_ether_addr(pbyDestAddr)) + pStatistic->abyTxPktInfo[byPktNum].byBroadMultiUni = TX_PKT_BROAD; + else if (is_multicast_ether_addr(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(struct vnt_private *pDevice, u8 *pbyBuf, + u8 *pbyIVHead, PSKeyItem pTransmitKey, u8 *pbyHdrBuf, + u16 wPayloadLen, u8 *pMICHDR) +{ + u32 *pdwIV = (u32 *)pbyIVHead; + u32 *pdwExtIV = (u32 *)((u8 *)pbyIVHead + 4); + u16 wValue; + struct ieee80211_hdr *pMACHeader = (struct ieee80211_hdr *)pbyHdrBuf; + u32 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, (u8 *)&(dwRevIVCounter), 3); + memcpy(pDevice->abyPRNG+3, pTransmitKey->abyKey, pTransmitKey->uKeyLength); + } else { + memcpy(pbyBuf, (u8 *)&(dwRevIVCounter), 3); + memcpy(pbyBuf+3, pTransmitKey->abyKey, pTransmitKey->uKeyLength); + if(pTransmitKey->uKeyLength == WLAN_WEP40_KEYLEN) { + memcpy(pbyBuf+8, (u8 *)&(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 |= (u32)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) = (u8)(((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: %x\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) = (u8)(((pDevice->byKeyIndex << 6) & 0xc0) | 0x20); // 0x20 is ExtIV + *pdwIV |= cpu_to_le16((u16)(pTransmitKey->wTSC15_0)); + //Append IV&ExtIV after Mac Header + *pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16); + + //Fill MICHDR0 + *pMICHDR = 0x59; + *((u8 *)(pMICHDR+1)) = 0; // TxPriority + memcpy(pMICHDR+2, &(pMACHeader->addr2[0]), 6); + *((u8 *)(pMICHDR+8)) = HIBYTE(HIWORD(pTransmitKey->dwTSC47_16)); + *((u8 *)(pMICHDR+9)) = LOBYTE(HIWORD(pTransmitKey->dwTSC47_16)); + *((u8 *)(pMICHDR+10)) = HIBYTE(LOWORD(pTransmitKey->dwTSC47_16)); + *((u8 *)(pMICHDR+11)) = LOBYTE(LOWORD(pTransmitKey->dwTSC47_16)); + *((u8 *)(pMICHDR+12)) = HIBYTE(pTransmitKey->wTSC15_0); + *((u8 *)(pMICHDR+13)) = LOBYTE(pTransmitKey->wTSC15_0); + *((u8 *)(pMICHDR+14)) = HIBYTE(wPayloadLen); + *((u8 *)(pMICHDR+15)) = LOBYTE(wPayloadLen); + + //Fill MICHDR1 + *((u8 *)(pMICHDR+16)) = 0; // HLEN[15:8] + if (pDevice->bLongHeader) { + *((u8 *)(pMICHDR+17)) = 28; // HLEN[7:0] + } else { + *((u8 *)(pMICHDR+17)) = 22; // HLEN[7:0] + } + wValue = cpu_to_le16(pMACHeader->frame_control & 0xC78F); + memcpy(pMICHDR+18, (u8 *)&wValue, 2); // MSKFRACTL + memcpy(pMICHDR+20, &(pMACHeader->addr1[0]), 6); + memcpy(pMICHDR+26, &(pMACHeader->addr2[0]), 6); + + //Fill MICHDR2 + memcpy(pMICHDR+32, &(pMACHeader->addr3[0]), 6); + wValue = pMACHeader->seq_ctrl; + wValue &= 0x000F; + wValue = cpu_to_le16(wValue); + memcpy(pMICHDR+38, (u8 *)&wValue, 2); // MSKSEQCTL + if (pDevice->bLongHeader) { + memcpy(pMICHDR+40, &(pMACHeader->addr4[0]), 6); + } + } +} + +static void s_vSWencryption(struct vnt_private *pDevice, + PSKeyItem pTransmitKey, u8 *pbyPayloadHead, u16 wPayloadSize) +{ + u32 cbICVlen = 4; + u32 dwICV = 0xffffffff; + u32 *pdwICV; + + if (pTransmitKey == NULL) + return; + + if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) { + //======================================================================= + // Append ICV after payload + dwICV = CRCdwGetCrc32Ex(pbyPayloadHead, wPayloadSize, dwICV);//ICV(Payload) + pdwICV = (u32 *)(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 = (u32 *)(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 u32 s_uGetTxRsvTime(struct vnt_private *pDevice, u8 byPktType, + u32 cbFrameLength, u16 wRate, int bNeedAck) +{ + u32 uDataTime, uAckTime; + + uDataTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, cbFrameLength, wRate); + if (byPktType == PK_TYPE_11B) {//llb,CCK mode + uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, (u16)pDevice->byTopCCKBasicRate); + } else {//11g 2.4G OFDM mode & 11a 5G OFDM mode + uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, (u16)pDevice->byTopOFDMBasicRate); + } + + if (bNeedAck) { + return (uDataTime + pDevice->uSIFS + uAckTime); + } + else { + return uDataTime; + } +} + +//byFreqType: 0=>5GHZ 1=>2.4GHZ +static u32 s_uGetRTSCTSRsvTime(struct vnt_private *pDevice, + u8 byRTSRsvType, u8 byPktType, u32 cbFrameLength, u16 wCurrentRate) +{ + u32 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 u32 s_uGetDataDuration(struct vnt_private *pDevice, u8 byDurType, + u32 cbFrameLength, u8 byPktType, u16 wRate, int bNeedAck, + u32 uFragIdx, u32 cbLastFragmentSize, u32 uMACfragNum, + u8 byFBOption) +{ + int bLastFrag = 0; + u32 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 u32 s_uGetRTSCTSDuration(struct vnt_private *pDevice, u8 byDurType, + u32 cbFrameLength, u8 byPktType, u16 wRate, int bNeedAck, + u8 byFBOption) +{ + u32 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 u32 s_uFillDataHead(struct vnt_private *pDevice, + u8 byPktType, u16 wCurrentRate, void *pTxDataHead, u32 cbFrameLength, + u32 uDMAIdx, int bNeedAck, u32 uFragIdx, u32 cbLastFragmentSize, + u32 uMACfragNum, u8 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 + BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, + (u16 *)&(pBuf->wTransmitLength), (u8 *)&(pBuf->byServiceField), (u8 *)&(pBuf->bySignalField) + ); + //Get Duration and TimeStampOff + pBuf->wDuration = (u16)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 + BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, + (u16 *)&(pBuf->wTransmitLength_a), (u8 *)&(pBuf->byServiceField_a), (u8 *)&(pBuf->bySignalField_a) + ); + BBvCalculateParameter(pDevice, cbFrameLength, pDevice->byTopCCKBasicRate, PK_TYPE_11B, + (u16 *)&(pBuf->wTransmitLength_b), (u8 *)&(pBuf->byServiceField_b), (u8 *)&(pBuf->bySignalField_b) + ); + //Get Duration and TimeStamp + pBuf->wDuration_a = (u16)s_uGetDataDuration(pDevice, DATADUR_A, cbFrameLength, + byPktType, wCurrentRate, bNeedAck, uFragIdx, + cbLastFragmentSize, uMACfragNum, + byFBOption); //1: 2.4GHz + pBuf->wDuration_b = (u16)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 + BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, + (u16 *)&(pBuf->wTransmitLength_a), (u8 *)&(pBuf->byServiceField_a), (u8 *)&(pBuf->bySignalField_a) + ); + BBvCalculateParameter(pDevice, cbFrameLength, pDevice->byTopCCKBasicRate, PK_TYPE_11B, + (u16 *)&(pBuf->wTransmitLength_b), (u8 *)&(pBuf->byServiceField_b), (u8 *)&(pBuf->bySignalField_b) + ); + //Get Duration and TimeStamp + pBuf->wDuration_a = (u16)s_uGetDataDuration(pDevice, DATADUR_A, cbFrameLength, byPktType, + wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //1: 2.4GHz + pBuf->wDuration_b = (u16)s_uGetDataDuration(pDevice, DATADUR_B, cbFrameLength, PK_TYPE_11B, + pDevice->byTopCCKBasicRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //1: 2.4GHz + pBuf->wDuration_a_f0 = (u16)s_uGetDataDuration(pDevice, DATADUR_A_F0, cbFrameLength, byPktType, + wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //1: 2.4GHz + pBuf->wDuration_a_f1 = (u16)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 + BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, + (u16 *)&(pBuf->wTransmitLength), (u8 *)&(pBuf->byServiceField), (u8 *)&(pBuf->bySignalField) + ); + //Get Duration and TimeStampOff + pBuf->wDuration = (u16)s_uGetDataDuration(pDevice, DATADUR_A, cbFrameLength, byPktType, + wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //0: 5GHz + pBuf->wDuration_f0 = (u16)s_uGetDataDuration(pDevice, DATADUR_A_F0, cbFrameLength, byPktType, + wCurrentRate, bNeedAck, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption); //0: 5GHz + pBuf->wDuration_f1 = (u16)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 + BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, + (u16 *)&(pBuf->wTransmitLength), (u8 *)&(pBuf->byServiceField), (u8 *)&(pBuf->bySignalField) + ); + //Get Duration and TimeStampOff + pBuf->wDuration = (u16)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 + BBvCalculateParameter(pDevice, cbFrameLength, wCurrentRate, byPktType, + (u16 *)&(pBuf->wTransmitLength), (u8 *)&(pBuf->byServiceField), (u8 *)&(pBuf->bySignalField) + ); + //Get Duration and TimeStampOff + pBuf->wDuration = (u16)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(struct vnt_private *pDevice, u8 byPktType, + void *pvRTS, u32 cbFrameLength, int bNeedAck, int bDisCRC, + struct ethhdr *psEthHeader, u16 wCurrentRate, u8 byFBOption) +{ + u32 uRTSFrameLen = 20; + u16 wLen = 0; + + 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 doesn'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 + BBvCalculateParameter(pDevice, uRTSFrameLen, pDevice->byTopCCKBasicRate, PK_TYPE_11B, + (u16 *)&(wLen), (u8 *)&(pBuf->byServiceField_b), (u8 *)&(pBuf->bySignalField_b) + ); + pBuf->wTransmitLength_b = cpu_to_le16(wLen); + BBvCalculateParameter(pDevice, uRTSFrameLen, pDevice->byTopOFDMBasicRate, byPktType, + (u16 *)&(wLen), (u8 *)&(pBuf->byServiceField_a), (u8 *)&(pBuf->bySignalField_a) + ); + pBuf->wTransmitLength_a = cpu_to_le16(wLen); + //Get Duration + pBuf->wDuration_bb = cpu_to_le16((u16)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((u16)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((u16)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->h_dest[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->h_source[0]), + ETH_ALEN); + } + } + else { + PSRTS_g_FB pBuf = (PSRTS_g_FB)pvRTS; + //Get SignalField,ServiceField,Length + BBvCalculateParameter(pDevice, uRTSFrameLen, pDevice->byTopCCKBasicRate, PK_TYPE_11B, + (u16 *)&(wLen), (u8 *)&(pBuf->byServiceField_b), (u8 *)&(pBuf->bySignalField_b) + ); + pBuf->wTransmitLength_b = cpu_to_le16(wLen); + BBvCalculateParameter(pDevice, uRTSFrameLen, pDevice->byTopOFDMBasicRate, byPktType, + (u16 *)&(wLen), (u8 *)&(pBuf->byServiceField_a), (u8 *)&(pBuf->bySignalField_a) + ); + pBuf->wTransmitLength_a = cpu_to_le16(wLen); + //Get Duration + pBuf->wDuration_bb = cpu_to_le16((u16)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((u16)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((u16)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((u16)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((u16)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((u16)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((u16)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->h_dest[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->h_source[0]), + ETH_ALEN); + } + + } // if (byFBOption == AUTO_FB_NONE) + } + else if (byPktType == PK_TYPE_11A) { + if (byFBOption == AUTO_FB_NONE) { + PSRTS_ab pBuf = (PSRTS_ab)pvRTS; + //Get SignalField,ServiceField,Length + BBvCalculateParameter(pDevice, uRTSFrameLen, pDevice->byTopOFDMBasicRate, byPktType, + (u16 *)&(wLen), (u8 *)&(pBuf->byServiceField), (u8 *)&(pBuf->bySignalField) + ); + pBuf->wTransmitLength = cpu_to_le16(wLen); + //Get Duration + pBuf->wDuration = cpu_to_le16((u16)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->h_dest[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->h_source[0]), + ETH_ALEN); + } + + } + else { + PSRTS_a_FB pBuf = (PSRTS_a_FB)pvRTS; + //Get SignalField,ServiceField,Length + BBvCalculateParameter(pDevice, uRTSFrameLen, pDevice->byTopOFDMBasicRate, byPktType, + (u16 *)&(wLen), (u8 *)&(pBuf->byServiceField), (u8 *)&(pBuf->bySignalField) + ); + pBuf->wTransmitLength = cpu_to_le16(wLen); + //Get Duration + pBuf->wDuration = cpu_to_le16((u16)s_uGetRTSCTSDuration(pDevice, RTSDUR_AA, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption)); //0:RTSDuration_aa, 0:5G, 0: 5G OFDMData + pBuf->wRTSDuration_f0 = cpu_to_le16((u16)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((u16)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->h_dest[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->h_source[0]), + ETH_ALEN); + } + } + } + else if (byPktType == PK_TYPE_11B) { + PSRTS_ab pBuf = (PSRTS_ab)pvRTS; + //Get SignalField,ServiceField,Length + BBvCalculateParameter(pDevice, uRTSFrameLen, pDevice->byTopCCKBasicRate, PK_TYPE_11B, + (u16 *)&(wLen), (u8 *)&(pBuf->byServiceField), (u8 *)&(pBuf->bySignalField) + ); + pBuf->wTransmitLength = cpu_to_le16(wLen); + //Get Duration + pBuf->wDuration = cpu_to_le16((u16)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->h_dest[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->h_source[0]), + ETH_ALEN); + } + } +} + +static void s_vFillCTSHead(struct vnt_private *pDevice, u32 uDMAIdx, + u8 byPktType, void *pvCTS, u32 cbFrameLength, int bNeedAck, + int bDisCRC, u16 wCurrentRate, u8 byFBOption) +{ + u32 uCTSFrameLen = 14; + u16 wLen = 0; + + if (pvCTS == NULL) { + return; + } + + if (bDisCRC) { + // When CRCDIS bit is on, H/W forgot to generate FCS for CTS frame, + // in this case we need to decrease its length by 4. + uCTSFrameLen -= 4; + } + + if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { + if (byFBOption != AUTO_FB_NONE && uDMAIdx != TYPE_ATIMDMA && uDMAIdx != TYPE_BEACONDMA) { + // Auto Fall back + PSCTS_FB pBuf = (PSCTS_FB)pvCTS; + //Get SignalField,ServiceField,Length + BBvCalculateParameter(pDevice, uCTSFrameLen, pDevice->byTopCCKBasicRate, PK_TYPE_11B, + (u16 *)&(wLen), (u8 *)&(pBuf->byServiceField_b), (u8 *)&(pBuf->bySignalField_b) + ); + pBuf->wTransmitLength_b = cpu_to_le16(wLen); + pBuf->wDuration_ba = (u16)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 = (u16)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 = (u16)s_uGetRTSCTSDuration(pDevice, CTSDUR_BA_F1, cbFrameLength, byPktType, wCurrentRate, bNeedAck, byFBOption); //9:CTSDuration_ba_f1, 1:2.4G, 2,3:2.4G OFDM Data + pBuf->wCTSDuration_ba_f1 += pDevice->wCTSDuration; + pBuf->wCTSDuration_ba_f1 = cpu_to_le16(pBuf->wCTSDuration_ba_f1); + //Get CTS Frame body + pBuf->Data.wDurationID = pBuf->wDuration_ba; + pBuf->Data.wFrameControl = TYPE_CTL_CTS;//0x00C4 + pBuf->Data.wReserved = 0x0000; + memcpy(&(pBuf->Data.abyRA[0]), + &(pDevice->abyCurrentNetAddr[0]), + ETH_ALEN); + } else { //if (byFBOption != AUTO_FB_NONE && uDMAIdx != TYPE_ATIMDMA && uDMAIdx != TYPE_BEACONDMA) + PSCTS pBuf = (PSCTS)pvCTS; + //Get SignalField,ServiceField,Length + BBvCalculateParameter(pDevice, uCTSFrameLen, pDevice->byTopCCKBasicRate, PK_TYPE_11B, + (u16 *)&(wLen), (u8 *)&(pBuf->byServiceField_b), (u8 *)&(pBuf->bySignalField_b) + ); + pBuf->wTransmitLength_b = cpu_to_le16(wLen); + //Get CTSDuration_ba + pBuf->wDuration_ba = cpu_to_le16((u16)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(struct vnt_private *pDevice, + u8 byPktType, u16 wCurrentRate, void *pTxBufHead, void *pvRrvTime, + void *pvRTS, void *pvCTS, u32 cbFrameSize, int bNeedACK, u32 uDMAIdx, + struct ethhdr *psEthHeader) +{ + u32 cbMACHdLen = WLAN_HDR_ADDR3_LEN; /* 24 */ + u16 wFifoCtl; + int bDisCRC = false; + u8 byFBOption = AUTO_FB_NONE; + + //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((u16)s_uGetRTSCTSRsvTime(pDevice, 2, byPktType, cbFrameSize, wCurrentRate));//2:RTSTxRrvTime_aa, 1:2.4GHz + pBuf->wRTSTxRrvTime_ba = cpu_to_le16((u16)s_uGetRTSCTSRsvTime(pDevice, 1, byPktType, cbFrameSize, wCurrentRate));//1:RTSTxRrvTime_ba, 1:2.4GHz + pBuf->wRTSTxRrvTime_bb = cpu_to_le16((u16)s_uGetRTSCTSRsvTime(pDevice, 0, byPktType, cbFrameSize, wCurrentRate));//0:RTSTxRrvTime_bb, 1:2.4GHz + pBuf->wTxRrvTime_a = cpu_to_le16((u16) s_uGetTxRsvTime(pDevice, byPktType, cbFrameSize, wCurrentRate, bNeedACK));//2.4G OFDM + pBuf->wTxRrvTime_b = cpu_to_le16((u16) 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((u16)s_uGetTxRsvTime(pDevice, byPktType, cbFrameSize, wCurrentRate, bNeedACK));//2.4G OFDM + pBuf->wTxRrvTime_b = cpu_to_le16((u16)s_uGetTxRsvTime(pDevice, PK_TYPE_11B, cbFrameSize, pDevice->byTopCCKBasicRate, bNeedACK));//1:CCK + pBuf->wCTSTxRrvTime_ba = cpu_to_le16((u16)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((u16)s_uGetRTSCTSRsvTime(pDevice, 2, byPktType, cbFrameSize, wCurrentRate));//2:RTSTxRrvTime_aa, 0:5GHz + pBuf->wTxRrvTime = cpu_to_le16((u16)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((u16)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((u16)s_uGetRTSCTSRsvTime(pDevice, 0, byPktType, cbFrameSize, wCurrentRate));//0:RTSTxRrvTime_bb, 1:2.4GHz + pBuf->wTxRrvTime = cpu_to_le16((u16)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((u16)s_uGetTxRsvTime(pDevice, PK_TYPE_11B, cbFrameSize, wCurrentRate, bNeedACK)); //1:CCK + } + } + } + //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"s_vGenerateTxParameter END.\n"); +} +/* + u8 * pbyBuffer,//point to pTxBufHead + u16 wFragType,//00:Non-Frag, 01:Start, 02:Mid, 03:Last + unsigned int cbFragmentSize,//Hdr+payoad+FCS +*/ + +static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, + u8 *usbPacketBuf, int bNeedEncryption, u32 uSkbPacketLen, u32 uDMAIdx, + struct ethhdr *psEthHeader, u8 *pPacket, PSKeyItem pTransmitKey, + u32 uNodeIndex, u16 wCurrentRate, u32 *pcbHeaderLen, u32 *pcbTotalLen) +{ + struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; + u32 cbFrameSize, cbFrameBodySize; + PTX_BUFFER pTxBufHead; + u32 cb802_1_H_len; + u32 cbIVlen = 0, cbICVlen = 0, cbMIClen = 0, cbMACHdLen = 0; + u32 cbFCSlen = 4, cbMICHDR = 0; + int bNeedACK, bRTS; + u8 *pbyType, *pbyMacHdr, *pbyIVHead, *pbyPayloadHead, *pbyTxBufferAddr; + u8 abySNAP_RFC1042[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00}; + u8 abySNAP_Bridgetunnel[ETH_ALEN] + = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8}; + u32 uDuration; + u32 cbHeaderLength = 0, uPadding = 0; + void *pvRrvTime; + PSMICHDRHead pMICHDR; + void *pvRTS; + void *pvCTS; + void *pvTxDataHd; + u8 byFBOption = AUTO_FB_NONE, byFragType; + u16 wTxBufSize; + u32 dwMICKey0, dwMICKey1, dwMIC_Priority, dwCRC; + u32 *pdwMIC_L, *pdwMIC_R; + int bSoftWEP = false; + + pvRrvTime = pMICHDR = pvRTS = pvCTS = pvTxDataHd = NULL; + + if (bNeedEncryption && pTransmitKey->pvKeyTable) { + if (((PSKeyTable)pTransmitKey->pvKeyTable)->bSoftWEP == true) + bSoftWEP = true; /* WEP 256 */ + } + + pTxBufHead = (PTX_BUFFER) usbPacketBuf; + memset(pTxBufHead, 0, sizeof(TX_BUFFER)); + + // Get pkt type + if (ntohs(psEthHeader->h_proto) > ETH_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 |= (u16)(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_ether_addr(psEthHeader->h_dest)) { + 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 |= (u16)(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 = (u8 *) &(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 = (u8 *)(pbyTxBufferAddr + cbHeaderLength); + pbyIVHead = (u8 *)(pbyMacHdr + cbMACHdLen + uPadding); + pbyPayloadHead = (u8 *)(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, (u16)uDuration, psEthHeader, bNeedEncryption, + byFragType, uDMAIdx, 0); + + if (bNeedEncryption == true) { + //Fill TXKEY + s_vFillTxKey(pDevice, (u8 *)(pTxBufHead->adwTxKey), pbyIVHead, pTransmitKey, + pbyMacHdr, (u16)cbFrameBodySize, (u8 *)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->h_proto) > ETH_DATA_LEN) { + if (pDevice->dwDiagRefCount == 0) { + if ((psEthHeader->h_proto == cpu_to_be16(ETH_P_IPX)) || + (psEthHeader->h_proto == cpu_to_le16(0xF380))) { + memcpy((u8 *) (pbyPayloadHead), + abySNAP_Bridgetunnel, 6); + } else { + memcpy((u8 *) (pbyPayloadHead), &abySNAP_RFC1042[0], 6); + } + pbyType = (u8 *) (pbyPayloadHead + 6); + memcpy(pbyType, &(psEthHeader->h_proto), sizeof(u16)); + } else { + memcpy((u8 *) (pbyPayloadHead), &(psEthHeader->h_proto), sizeof(u16)); + + } + + } + + 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), ((u8 *)psEthHeader) + ETH_HLEN, uSkbPacketLen - ETH_HLEN); + } + + ASSERT(uLength == cbNdisBodySize); + + if ((bNeedEncryption == true) && (pTransmitKey != NULL) && (pTransmitKey->byCipherSuite == KEY_CTL_TKIP)) { + + /////////////////////////////////////////////////////////////////// + + if (pDevice->vnt_mgmt.eAuthenMode == WMAC_AUTH_WPANONE) { + dwMICKey0 = *(u32 *)(&pTransmitKey->abyKey[16]); + dwMICKey1 = *(u32 *)(&pTransmitKey->abyKey[20]); + } + else if ((pTransmitKey->dwKeyIndex & AUTHENTICATOR_KEY) != 0) { + dwMICKey0 = *(u32 *)(&pTransmitKey->abyKey[16]); + dwMICKey1 = *(u32 *)(&pTransmitKey->abyKey[20]); + } + else { + dwMICKey0 = *(u32 *)(&pTransmitKey->abyKey[24]); + dwMICKey1 = *(u32 *)(&pTransmitKey->abyKey[28]); + } + // DO Software Michael + MIC_vInit(dwMICKey0, dwMICKey1); + MIC_vAppend((u8 *)&(psEthHeader->h_dest[0]), 12); + dwMIC_Priority = 0; + MIC_vAppend((u8 *)&dwMIC_Priority, 4); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC KEY: %X, %X\n", + dwMICKey0, dwMICKey1); + + /////////////////////////////////////////////////////////////////// + + //DBG_PRN_GRP12(("Length:%d, %d\n", cbFrameBodySize, uFromHDtoPLDLength)); + //for (ii = 0; ii < cbFrameBodySize; ii++) { + // DBG_PRN_GRP12(("%02x ", *((u8 *)((pbyPayloadHead + cb802_1_H_len) + ii)))); + //} + //DBG_PRN_GRP12(("\n\n\n")); + + MIC_vAppend(pbyPayloadHead, cbFrameBodySize); + + pdwMIC_L = (u32 *)(pbyPayloadHead + cbFrameBodySize); + pdwMIC_R = (u32 *)(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), (u16)(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; + u32 * pdwCRC; + + dwCRC = 0xFFFFFFFFL; + cbLen = cbFrameSize - cbFCSlen; + // calculate CRC, and wrtie CRC value to end of TD + dwCRC = CRCdwGetCrc32Ex(pbyMacHdr, cbLen, dwCRC); + pdwCRC = (u32 *)(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 |= (u16)byFragType; + + return true; + +} + +/*+ + * + * Description: + * Translate 802.3 to 802.11 header + * + * Parameters: + * In: + * pDevice - Pointer to adapter + * dwTxBufferAddr - Transmit Buffer + * pPacket - Packet from upper layer + * cbPacketSize - Transmit Data Length + * Out: + * pcbHeadSize - Header size of MAC&Baseband control and 802.11 Header + * pcbAppendPayload - size of append payload for 802.1H translation + * + * Return Value: none + * +-*/ + +static void s_vGenerateMACHeader(struct vnt_private *pDevice, + u8 *pbyBufferAddr, u16 wDuration, struct ethhdr *psEthHeader, + int bNeedEncrypt, u16 wFragType, u32 uDMAIdx, u32 uFragIdx) +{ + struct ieee80211_hdr *pMACHeader = (struct ieee80211_hdr *)pbyBufferAddr; + + memset(pMACHeader, 0, (sizeof(struct ieee80211_hdr))); + + if (uDMAIdx == TYPE_ATIMDMA) { + pMACHeader->frame_control = TYPE_802_11_ATIM; + } else { + pMACHeader->frame_control = TYPE_802_11_DATA; + } + + if (pDevice->eOPMode == OP_MODE_AP) { + memcpy(&(pMACHeader->addr1[0]), + &(psEthHeader->h_dest[0]), + ETH_ALEN); + memcpy(&(pMACHeader->addr2[0]), &(pDevice->abyBSSID[0]), ETH_ALEN); + memcpy(&(pMACHeader->addr3[0]), + &(psEthHeader->h_source[0]), + ETH_ALEN); + pMACHeader->frame_control |= FC_FROMDS; + } else { + if (pDevice->eOPMode == OP_MODE_ADHOC) { + memcpy(&(pMACHeader->addr1[0]), + &(psEthHeader->h_dest[0]), + ETH_ALEN); + memcpy(&(pMACHeader->addr2[0]), + &(psEthHeader->h_source[0]), + ETH_ALEN); + memcpy(&(pMACHeader->addr3[0]), + &(pDevice->abyBSSID[0]), + ETH_ALEN); + } else { + memcpy(&(pMACHeader->addr3[0]), + &(psEthHeader->h_dest[0]), + ETH_ALEN); + memcpy(&(pMACHeader->addr2[0]), + &(psEthHeader->h_source[0]), + ETH_ALEN); + memcpy(&(pMACHeader->addr1[0]), + &(pDevice->abyBSSID[0]), + ETH_ALEN); + pMACHeader->frame_control |= FC_TODS; + } + } + + if (bNeedEncrypt) + pMACHeader->frame_control |= cpu_to_le16((u16)WLAN_SET_FC_ISWEP(1)); + + pMACHeader->duration_id = cpu_to_le16(wDuration); + + if (pDevice->bLongHeader) { + PWLAN_80211HDR_A4 pMACA4Header = (PWLAN_80211HDR_A4) pbyBufferAddr; + pMACHeader->frame_control |= (FC_TODS | FC_FROMDS); + memcpy(pMACA4Header->abyAddr4, pDevice->abyBSSID, WLAN_ADDR_LEN); + } + pMACHeader->seq_ctrl = cpu_to_le16(pDevice->wSeqCounter << 4); + + //Set FragNumber in Sequence Control + pMACHeader->seq_ctrl |= cpu_to_le16((u16)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->frame_control |= 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 available; otherwise false + * +-*/ + +CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, + struct vnt_tx_mgmt *pPacket) +{ + struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; + PTX_BUFFER pTX_Buffer; + PSTxBufHead pTxBufHead; + PUSB_SEND_CONTEXT pContext; + struct ieee80211_hdr *pMACHeader; + PSCTS pCTS; + struct ethhdr sEthHeader; + u8 byPktType, *pbyTxBufferAddr; + void *pvRTS, *pvTxDataHd, *pvRrvTime, *pMICHDR; + u32 uDuration, cbReqCount, cbHeaderSize, cbFrameBodySize, cbFrameSize; + int bNeedACK, bIsPSPOLL = false; + u32 cbIVlen = 0, cbICVlen = 0, cbMIClen = 0, cbFCSlen = 4; + u32 uPadding = 0; + u16 wTxBufSize; + u32 cbMacHdLen; + u16 wCurrentRate = RATE_1M; + + 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 = (u8 *)&(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_ether_addr(pPacket->p80211Header->sA3.abyAddr1)) { + 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((u16)(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.h_dest[0]), + &(pPacket->p80211Header->sA3.abyAddr1[0]), + ETH_ALEN); + memcpy(&(sEthHeader.h_source[0]), + &(pPacket->p80211Header->sA3.abyAddr2[0]), + ETH_ALEN); + //========================= + // No Fragmentation + //========================= + pTxBufHead->wFragCtl |= (u16)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 = (struct ieee80211_hdr *) (pbyTxBufferAddr + cbHeaderSize); + + cbReqCount = cbHeaderSize + cbMacHdLen + uPadding + cbIVlen + cbFrameBodySize; + + if (WLAN_GET_FC_ISWEP(pPacket->p80211Header->sA4.wFrameCtl) != 0) { + u8 * pbyIVHead; + u8 * pbyPayloadHead; + u8 * pbyBSSID; + PSKeyItem pTransmitKey = NULL; + + pbyIVHead = (u8 *)(pbyTxBufferAddr + cbHeaderSize + cbMacHdLen + uPadding); + pbyPayloadHead = (u8 *)(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, (u8 *)(pTxBufHead->adwTxKey), pbyIVHead, pTransmitKey, + (u8 *)pMACHeader, (u16)cbFrameBodySize, NULL); + + memcpy(pMACHeader, pPacket->p80211Header, cbMacHdLen); + memcpy(pbyPayloadHead, ((u8 *)(pPacket->p80211Header) + cbMacHdLen), + cbFrameBodySize); + } + else { + // Copy the Packet into a tx Buffer + memcpy(pMACHeader, pPacket->p80211Header, pPacket->cbMPDULen); + } + + pMACHeader->seq_ctrl = 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((u16)(cbReqCount)); + pTX_Buffer->byPKTNO = (u8) (((wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); + pTX_Buffer->byType = 0x00; + + pContext->pPacket = NULL; + pContext->Type = CONTEXT_MGMT_PACKET; + pContext->uBufLen = (u16)cbReqCount + 4; //USB header + + if (WLAN_GET_FC_TODS(pMACHeader->frame_control) == 0) { + s_vSaveTxPktInfo(pDevice, (u8) (pTX_Buffer->byPKTNO & 0x0F), &(pMACHeader->addr1[0]), (u16)cbFrameSize, pTX_Buffer->wFIFOCtl); + } + else { + s_vSaveTxPktInfo(pDevice, (u8) (pTX_Buffer->byPKTNO & 0x0F), &(pMACHeader->addr3[0]), (u16)cbFrameSize, pTX_Buffer->wFIFOCtl); + } + + PIPEnsSendBulkOut(pDevice,pContext); + return CMD_STATUS_PENDING; +} + +CMD_STATUS csBeacon_xmit(struct vnt_private *pDevice, + struct vnt_tx_mgmt *pPacket) +{ + u32 cbFrameSize = pPacket->cbMPDULen + WLAN_FCS_LEN; + u32 cbHeaderSize = 0; + u16 wTxBufSize = sizeof(STxShortBufHead); + PSTxShortBufHead pTxBufHead; + struct ieee80211_hdr *pMACHeader; + PSTxDataHead_ab pTxDataHead; + u16 wCurrentRate; + u32 cbFrameBodySize; + u32 cbReqCount; + PBEACON_BUFFER pTX_Buffer; + u8 *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 = (u8 *)&(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 + BBvCalculateParameter(pDevice, cbFrameSize, wCurrentRate, PK_TYPE_11A, + (u16 *)&(pTxDataHead->wTransmitLength), (u8 *)&(pTxDataHead->byServiceField), (u8 *)&(pTxDataHead->bySignalField) + ); + //Get Duration and TimeStampOff + pTxDataHead->wDuration = cpu_to_le16((u16)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 + BBvCalculateParameter(pDevice, cbFrameSize, wCurrentRate, PK_TYPE_11B, + (u16 *)&(pTxDataHead->wTransmitLength), (u8 *)&(pTxDataHead->byServiceField), (u8 *)&(pTxDataHead->bySignalField) + ); + //Get Duration and TimeStampOff + pTxDataHead->wDuration = cpu_to_le16((u16)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 = (struct ieee80211_hdr *)(pbyTxBufferAddr + cbHeaderSize); + memcpy(pMACHeader, pPacket->p80211Header, pPacket->cbMPDULen); + + pMACHeader->duration_id = 0; + pMACHeader->seq_ctrl = 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 = (u16)cbReqCount; + pTX_Buffer->byPKTNO = (u8) (((wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); + pTX_Buffer->byType = 0x01; + + pContext->pPacket = NULL; + pContext->Type = CONTEXT_MGMT_PACKET; + pContext->uBufLen = (u16)cbReqCount + 4; //USB header + + PIPEnsSendBulkOut(pDevice,pContext); + return CMD_STATUS_PENDING; + +} + +void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb) +{ + struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; + u8 byPktType; + u8 *pbyTxBufferAddr; + void *pvRTS, *pvCTS, *pvTxDataHd; + u32 uDuration, cbReqCount; + struct ieee80211_hdr *pMACHeader; + u32 cbHeaderSize, cbFrameBodySize; + int bNeedACK, bIsPSPOLL = false; + PSTxBufHead pTxBufHead; + u32 cbFrameSize; + u32 cbIVlen = 0, cbICVlen = 0, cbMIClen = 0, cbFCSlen = 4; + u32 uPadding = 0; + u32 cbMICHDR = 0, uLength = 0; + u32 dwMICKey0, dwMICKey1; + u32 dwMIC_Priority; + u32 *pdwMIC_L, *pdwMIC_R; + u16 wTxBufSize; + u32 cbMacHdLen; + struct ethhdr sEthHeader; + void *pvRrvTime, *pMICHDR; + u32 wCurrentRate = RATE_1M; + PUWLAN_80211HDR p80211Header; + u32 uNodeIndex = 0; + int bNodeExist = false; + SKeyItem STempKey; + PSKeyItem pTransmitKey = NULL; + u8 *pbyIVHead, *pbyPayloadHead, *pbyMacHdr; + u32 cbExtSuppRate = 0; + PTX_BUFFER pTX_Buffer; + PUSB_SEND_CONTEXT pContext; + + 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 = (u8 *)(&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_ether_addr(p80211Header->sA3.abyAddr1)) { + bNeedACK = false; + if (pDevice->bEnableHostWEP) { + uNodeIndex = 0; + bNodeExist = true; + } + } + else { + if (pDevice->bEnableHostWEP) { + if (BSSbIsSTAInNodeDB(pDevice, (u8 *)(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 daemon 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((u16)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.h_dest[0]), + &(p80211Header->sA3.abyAddr1[0]), + ETH_ALEN); + memcpy(&(sEthHeader.h_source[0]), + &(p80211Header->sA3.abyAddr2[0]), + ETH_ALEN); + //========================= + // No Fragmentation + //========================= + pTxBufHead->wFragCtl |= (u16)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 = (struct ieee80211_hdr *) (pbyTxBufferAddr + cbHeaderSize); + + cbReqCount = cbHeaderSize + cbMacHdLen + uPadding + cbIVlen + (cbFrameBodySize + cbMIClen) + cbExtSuppRate; + + pbyMacHdr = (u8 *)(pbyTxBufferAddr + cbHeaderSize); + pbyPayloadHead = (u8 *)(pbyMacHdr + cbMacHdLen + uPadding + cbIVlen); + pbyIVHead = (u8 *)(pbyMacHdr + cbMacHdLen + uPadding); + + // Copy the Packet into a tx Buffer + memcpy(pbyMacHdr, skb->data, cbMacHdLen); + + // version set to 0, patch for hostapd deamon + pMACHeader->frame_control &= cpu_to_le16(0xfffc); + memcpy(pbyPayloadHead, (skb->data + cbMacHdLen), cbFrameBodySize); + + // replace support rate, patch for hostapd daemon( only support 11M) + if (WLAN_GET_FC_FSTYPE(p80211Header->sA4.wFrameCtl) == WLAN_FSTYPE_ASSOCRESP) { + if (cbExtSuppRate != 0) { + if (((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates)->len != 0) + memcpy((pbyPayloadHead + cbFrameBodySize), + pMgmt->abyCurrSuppRates, + ((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates)->len + WLAN_IEHDR_LEN + ); + if (((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates)->len != 0) + memcpy((pbyPayloadHead + cbFrameBodySize) + ((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates)->len + WLAN_IEHDR_LEN, + pMgmt->abyCurrExtSuppRates, + ((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates)->len + WLAN_IEHDR_LEN + ); + } + } + + // Set wep + if (WLAN_GET_FC_ISWEP(p80211Header->sA4.wFrameCtl) != 0) { + + if (pDevice->bEnableHostWEP) { + pTransmitKey = &STempKey; + pTransmitKey->byCipherSuite = pMgmt->sNodeDBTable[uNodeIndex].byCipherSuite; + pTransmitKey->dwKeyIndex = pMgmt->sNodeDBTable[uNodeIndex].dwKeyIndex; + pTransmitKey->uKeyLength = pMgmt->sNodeDBTable[uNodeIndex].uWepKeyLength; + pTransmitKey->dwTSC47_16 = pMgmt->sNodeDBTable[uNodeIndex].dwTSC47_16; + pTransmitKey->wTSC15_0 = pMgmt->sNodeDBTable[uNodeIndex].wTSC15_0; + memcpy(pTransmitKey->abyKey, + &pMgmt->sNodeDBTable[uNodeIndex].abyWepKey[0], + pTransmitKey->uKeyLength + ); + } + + if ((pTransmitKey != NULL) && (pTransmitKey->byCipherSuite == KEY_CTL_TKIP)) { + + dwMICKey0 = *(u32 *)(&pTransmitKey->abyKey[16]); + dwMICKey1 = *(u32 *)(&pTransmitKey->abyKey[20]); + + // DO Software Michael + MIC_vInit(dwMICKey0, dwMICKey1); + MIC_vAppend((u8 *)&(sEthHeader.h_dest[0]), 12); + dwMIC_Priority = 0; + MIC_vAppend((u8 *)&dwMIC_Priority, 4); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"DMA0_tx_8021:MIC KEY:"\ + " %X, %X\n", dwMICKey0, dwMICKey1); + + uLength = cbHeaderSize + cbMacHdLen + uPadding + cbIVlen; + + MIC_vAppend((pbyTxBufferAddr + uLength), cbFrameBodySize); + + pdwMIC_L = (u32 *)(pbyTxBufferAddr + uLength + cbFrameBodySize); + pdwMIC_R = (u32 *)(pbyTxBufferAddr + uLength + cbFrameBodySize + 4); + + MIC_vGetMIC(pdwMIC_L, pdwMIC_R); + MIC_vUnInit(); + + if (pDevice->bTxMICFail == true) { + *pdwMIC_L = 0; + *pdwMIC_R = 0; + pDevice->bTxMICFail = false; + } + + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"uLength: %d, %d\n", uLength, cbFrameBodySize); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"cbReqCount:%d, %d, %d, %d\n", cbReqCount, cbHeaderSize, uPadding, cbIVlen); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC:%x, %x\n", + *pdwMIC_L, *pdwMIC_R); + + } + + s_vFillTxKey(pDevice, (u8 *)(pTxBufHead->adwTxKey), pbyIVHead, pTransmitKey, + pbyMacHdr, (u16)cbFrameBodySize, (u8 *)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, (u16)(cbFrameBodySize + cbMIClen)); + } + } + + pMACHeader->seq_ctrl = 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((u16)(cbReqCount)); + pTX_Buffer->byPKTNO = (u8) (((wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); + pTX_Buffer->byType = 0x00; + + pContext->pPacket = skb; + pContext->Type = CONTEXT_MGMT_PACKET; + pContext->uBufLen = (u16)cbReqCount + 4; //USB header + + if (WLAN_GET_FC_TODS(pMACHeader->frame_control) == 0) { + s_vSaveTxPktInfo(pDevice, (u8) (pTX_Buffer->byPKTNO & 0x0F), &(pMACHeader->addr1[0]), (u16)cbFrameSize, pTX_Buffer->wFIFOCtl); + } + else { + s_vSaveTxPktInfo(pDevice, (u8) (pTX_Buffer->byPKTNO & 0x0F), &(pMACHeader->addr3[0]), (u16)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 + */ + +int nsDMA_tx_packet(struct vnt_private *pDevice, + u32 uDMAIdx, struct sk_buff *skb) +{ + struct net_device_stats *pStats = &pDevice->stats; + struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; + u32 BytesToWrite = 0, uHeaderLen = 0; + u32 uNodeIndex = 0; + u8 byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80}; + u16 wAID; + u8 byPktType; + int bNeedEncryption = false; + PSKeyItem pTransmitKey = NULL; + SKeyItem STempKey; + int ii; + int bTKIP_UseGTK = false; + int bNeedDeAuth = false; + u8 *pbyBSSID; + int bNodeExist = false; + PUSB_SEND_CONTEXT pContext; + bool fConvertedPacket; + PTX_BUFFER pTX_Buffer; + u32 status; + u16 wKeepRate = pDevice->wCurrentRate; + int bTxeapol_key = false; + + if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { + + if (pDevice->uAssocCount == 0) { + dev_kfree_skb_irq(skb); + return 0; + } + + if (is_multicast_ether_addr((u8 *)(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; + } + // multicast/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, (u8 *)(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.h_dest, (u8 *)(skb->data), ETH_HLEN); + +//mike add:station mode check eapol-key challenge---> +{ + u8 Protocol_Version; //802.1x Authentication + u8 Packet_Type; //802.1x Authentication + u8 Descriptor_type; + u16 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.h_proto == cpu_to_be16(ETH_P_PAE)) { + /* 802.1x OR eapol-key challenge frame transfer */ + if (((Protocol_Version == 1) || (Protocol_Version == 2)) && + (Packet_Type == 3)) { + 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 pairwise-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) { + /* TO_DS = 0 and FROM_DS = 0 --> 802.11 MAC Address1 */ + pbyBSSID = pDevice->sTxEthHeader.h_dest; + 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 = (u8)pDevice->byPacketType; + + if (pDevice->bFixRate) { + if (pDevice->byBBType == BB_TYPE_11B) { + if (pDevice->uConnectionRate >= RATE_11M) { + pDevice->wCurrentRate = RATE_11M; + } else { + pDevice->wCurrentRate = (u16)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 = (u16)pDevice->uConnectionRate; + } + } + } + else { + if (pDevice->eOPMode == OP_MODE_ADHOC) { + // Adhoc Tx rate decided from node DB + if (is_multicast_ether_addr(pDevice->sTxEthHeader.h_dest)) { + // Multicast use highest data rate + pDevice->wCurrentRate = pMgmt->sNodeDBTable[0].wTxDataRate; + // preamble type + pDevice->byPreambleType = pDevice->byShortPreamble; + } + else { + if (BSSbIsSTAInNodeDB(pDevice, &(pDevice->sTxEthHeader.h_dest[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.h_proto == cpu_to_be16(ETH_P_PAE)) { + 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.h_proto)); + if ((pDevice->sTxEthHeader.h_proto) == cpu_to_be16(ETH_P_PAE)) { + bNeedEncryption = false; + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Pkt Type=%04x\n", (pDevice->sTxEthHeader.h_proto)); + 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 [%X]\n", + pTransmitKey->dwKeyIndex); + bNeedEncryption = true; + } + } + } + + if (pDevice->bEnableHostWEP) { + if ((uNodeIndex != 0) && + (pMgmt->sNodeDBTable[uNodeIndex].dwKeyIndex & PAIRWISE_KEY)) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Find PTK [%X]\n", + pTransmitKey->dwKeyIndex); + bNeedEncryption = true; + } + } + } + else { + + if (pTransmitKey == NULL) { + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"return no tx key\n"); + pContext->bBoolInUse = false; + dev_kfree_skb_irq(skb); + pStats->tx_dropped++; + return STATUS_FAILURE; + } + } + } + + fConvertedPacket = s_bPacketToWirelessUsb(pDevice, byPktType, + (u8 *)(&pContext->Data[0]), bNeedEncryption, + skb->len, uDMAIdx, &pDevice->sTxEthHeader, + (u8 *)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 = (u8) (((pDevice->wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); + pTX_Buffer->wTxByteCount = (u16)BytesToWrite; + + pContext->pPacket = skb; + pContext->Type = CONTEXT_DATA_PACKET; + pContext->uBufLen = (u16)BytesToWrite + 4 ; //USB header + + s_vSaveTxPktInfo(pDevice, (u8) (pTX_Buffer->byPKTNO & 0x0F), &(pContext->sEthHeader.h_dest[0]), (u16) (BytesToWrite-uHeaderLen), pTX_Buffer->wFIFOCtl); + + status = PIPEnsSendBulkOut(pDevice,pContext); + + if (bNeedDeAuth == true) { + u16 wReason = WLAN_MGMT_REASON_MIC_FAILURE; + + bScheduleCommand((void *) pDevice, WLAN_CMD_DEAUTH, (u8 *) &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 + */ + +int bRelayPacketSend(struct vnt_private *pDevice, u8 *pbySkbData, u32 uDataLen, + u32 uNodeIndex) +{ + struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; + u32 BytesToWrite = 0, uHeaderLen = 0; + u8 byPktType = PK_TYPE_11B; + int bNeedEncryption = false; + SKeyItem STempKey; + PSKeyItem pTransmitKey = NULL; + u8 *pbyBSSID; + PUSB_SEND_CONTEXT pContext; + u8 byPktTyp; + int fConvertedPacket; + PTX_BUFFER pTX_Buffer; + u32 status; + u16 wKeepRate = pDevice->wCurrentRate; + + pContext = (PUSB_SEND_CONTEXT)s_vGetFreeContext(pDevice); + + if (NULL == pContext) { + return false; + } + + memcpy(pDevice->sTxEthHeader.h_dest, (u8 *)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 = (u8)pDevice->byPacketType; + + if (pDevice->bFixRate) { + if (pDevice->byBBType == BB_TYPE_11B) { + if (pDevice->uConnectionRate >= RATE_11M) { + pDevice->wCurrentRate = RATE_11M; + } else { + pDevice->wCurrentRate = (u16)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 = (u16)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 + ETH_FCS_LEN; + + // Convert the packet to an usb frame and copy into our buffer + // and send the irp. + + fConvertedPacket = s_bPacketToWirelessUsb(pDevice, byPktType, + (u8 *)(&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 = (u8) (((pDevice->wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); + pTX_Buffer->wTxByteCount = (u16)BytesToWrite; + + pContext->pPacket = NULL; + pContext->Type = CONTEXT_DATA_PACKET; + pContext->uBufLen = (u16)BytesToWrite + 4 ; //USB header + + s_vSaveTxPktInfo(pDevice, (u8) (pTX_Buffer->byPKTNO & 0x0F), &(pContext->sEthHeader.h_dest[0]), (u16) (BytesToWrite-uHeaderLen), pTX_Buffer->wFIFOCtl); + + status = PIPEnsSendBulkOut(pDevice,pContext); + + return true; +} + |