/*byPktType : PK_TYPE_11A 0 PK_TYPE_11B 1 PK_TYPE_11GB 2 PK_TYPE_11GA 3 */ static unsigned int s_uGetTxRsvTime ( PSDevice pDevice, BYTE byPktType, unsigned int cbFrameLength, WORD wRate, BOOL bNeedAck ) { unsigned int uDataTime, uAckTime; uDataTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, cbFrameLength, wRate); if (byPktType == PK_TYPE_11B) {//llb,CCK mode uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, (WORD)pDevice->byTopCCKBasicRate); } else {//11g 2.4G OFDM mode & 11a 5G OFDM mode uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, (WORD)pDevice->byTopOFDMBasicRate); } if (bNeedAck) { return (uDataTime + pDevice->uSIFS + uAckTime); } else { return uDataTime; } }
/* byPktType : PK_TYPE_11A 0 * PK_TYPE_11B 1 * PK_TYPE_11GB 2 * PK_TYPE_11GA 3 */ static unsigned int s_uGetTxRsvTime( struct vnt_private *pDevice, unsigned char byPktType, unsigned int cbFrameLength, unsigned short wRate, bool bNeedAck ) { unsigned int uDataTime, uAckTime; uDataTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, cbFrameLength, wRate); if (byPktType == PK_TYPE_11B) /* llb,CCK mode */ uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, (unsigned short)pDevice->byTopCCKBasicRate); else /* 11g 2.4G OFDM mode & 11a 5G OFDM mode */ uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, (unsigned short)pDevice->byTopOFDMBasicRate); if (bNeedAck) return uDataTime + pDevice->uSIFS + uAckTime; else return uDataTime; }
/* byFreqType: 0=>5GHZ 1=>2.4GHZ */ static __le16 s_uGetRTSCTSRsvTime( struct vnt_private *pDevice, unsigned char byRTSRsvType, unsigned char byPktType, unsigned int cbFrameLength, unsigned short wCurrentRate ) { unsigned int uRrvTime, uRTSTime, uCTSTime, uAckTime, uDataTime; uRrvTime = uRTSTime = uCTSTime = uAckTime = uDataTime = 0; uDataTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, cbFrameLength, wCurrentRate); if (byRTSRsvType == 0) { /* RTSTxRrvTime_bb */ uRTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 20, pDevice->byTopCCKBasicRate); uCTSTime = uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate); } else if (byRTSRsvType == 1) { /* RTSTxRrvTime_ba, only in 2.4GHZ */ uRTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 20, pDevice->byTopCCKBasicRate); uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate); uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); } else if (byRTSRsvType == 2) { /* RTSTxRrvTime_aa */ uRTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 20, pDevice->byTopOFDMBasicRate); uCTSTime = uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); } else if (byRTSRsvType == 3) { /* CTSTxRrvTime_ba, only in 2.4GHZ */ uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate); uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); uRrvTime = uCTSTime + uAckTime + uDataTime + 2*pDevice->uSIFS; return cpu_to_le16((u16)uRrvTime); } /* RTSRrvTime */ uRrvTime = uRTSTime + uCTSTime + uAckTime + uDataTime + 3*pDevice->uSIFS; return cpu_to_le16((u16)uRrvTime); }
//byFreqType: 0=>5GHZ 1=>2.4GHZ static unsigned int s_uGetRTSCTSRsvTime ( PSDevice pDevice, BYTE byRTSRsvType, BYTE byPktType, unsigned int cbFrameLength, WORD wCurrentRate ) { unsigned int uRrvTime , uRTSTime, uCTSTime, uAckTime, uDataTime; uRrvTime = uRTSTime = uCTSTime = uAckTime = uDataTime = 0; uDataTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, cbFrameLength, wCurrentRate); if (byRTSRsvType == 0) { //RTSTxRrvTime_bb uRTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 20, pDevice->byTopCCKBasicRate); uCTSTime = uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate); } else if (byRTSRsvType == 1){ //RTSTxRrvTime_ba, only in 2.4GHZ uRTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 20, pDevice->byTopCCKBasicRate); uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate); uAc
/* byFreqType: 0=>5GHZ 1=>2.4GHZ */ static __le16 s_uGetRTSCTSDuration( struct vnt_private *pDevice, unsigned char byDurType, unsigned int cbFrameLength, unsigned char byPktType, unsigned short wRate, bool bNeedAck, unsigned char byFBOption ) { unsigned int uCTSTime = 0, uDurTime = 0; switch (byDurType) { case RTSDUR_BB: /* RTSDuration_bb */ uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate); uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck); break; case RTSDUR_BA: /* RTSDuration_ba */ uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate); uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck); break; case RTSDUR_AA: /* RTSDuration_aa */ uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck); break; case CTSDUR_BA: /* CTSDuration_ba */ uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck); break; case RTSDUR_BA_F0: /* RTSDuration_ba_f0 */ uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate); if ((byFBOption == AUTO_FB_0) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) uDurTime = uCTSTime + 2 * pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE0][wRate-RATE_18M], bNeedAck); else if ((byFBOption == AUTO_FB_1) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) uDurTime = uCTSTime + 2 * pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE0][wRate-RATE_18M], bNeedAck); break; case RTSDUR_AA_F0: /* RTSDuration_aa_f0 */ uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); if ((byFBOption == AUTO_FB_0) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE0][wRate-RATE_18M], bNeedAck); else if ((byFBOption == AUTO_FB_1) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE0][wRate-RATE_18M], bNeedAck); break; case RTSDUR_BA_F1: /* RTSDuration_ba_f1 */ uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate); if ((byFBOption == AUTO_FB_0) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE1][wRate-RATE_18M], bNeedAck); else if ((byFBOption == AUTO_FB_1) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE1][wRate-RATE_18M], bNeedAck); break; case RTSDUR_AA_F1: /* RTSDuration_aa_f1 */ uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); if ((byFBOption == AUTO_FB_0) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE1][wRate-RATE_18M], bNeedAck); else if ((byFBOption == AUTO_FB_1) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) uDurTime = uCTSTime + 2*pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE1][wRate-RATE_18M], bNeedAck); break; case CTSDUR_BA_F0: /* CTSDuration_ba_f0 */ if ((byFBOption == AUTO_FB_0) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE0][wRate-RATE_18M], bNeedAck); else if ((byFBOption == AUTO_FB_1) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE0][wRate-RATE_18M], bNeedAck); break; case CTSDUR_BA_F1: /* CTSDuration_ba_f1 */ if ((byFBOption == AUTO_FB_0) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE1][wRate-RATE_18M], bNeedAck); else if ((byFBOption == AUTO_FB_1) && (wRate >= RATE_18M) && (wRate <= RATE_54M)) uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE1][wRate-RATE_18M], bNeedAck); break; default: break; } return cpu_to_le16((u16)uDurTime); }
/* byFreqType 0: 5GHz, 1:2.4Ghz */ static unsigned int s_uGetDataDuration( struct vnt_private *pDevice, unsigned char byDurType, unsigned int cbFrameLength, unsigned char byPktType, unsigned short wRate, bool bNeedAck, unsigned int uFragIdx, unsigned int cbLastFragmentSize, unsigned int uMACfragNum, unsigned char byFBOption ) { bool bLastFrag = false; unsigned int uAckTime = 0, uNextPktTime = 0; if (uFragIdx == (uMACfragNum-1)) bLastFrag = true; switch (byDurType) { case DATADUR_B: /* DATADUR_B */ if (((uMACfragNum == 1)) || bLastFrag) {/* Non Frag or Last Frag */ if (bNeedAck) { uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate); return pDevice->uSIFS + uAckTime; } else { return 0; } } else {/* First Frag or Mid Frag */ if (uFragIdx == (uMACfragNum-2)) uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbLastFragmentSize, wRate, bNeedAck); else uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck); if (bNeedAck) { uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopCCKBasicRate); return pDevice->uSIFS + uAckTime + uNextPktTime; } else { return pDevice->uSIFS + uNextPktTime; } } break; case DATADUR_A: /* DATADUR_A */ if (((uMACfragNum == 1)) || bLastFrag) {/* Non Frag or Last Frag */ if (bNeedAck) { uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); return pDevice->uSIFS + uAckTime; } else { return 0; } } else {/* First Frag or Mid Frag */ if (uFragIdx == (uMACfragNum-2)) uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbLastFragmentSize, wRate, bNeedAck); else uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wRate, bNeedAck); if (bNeedAck) { uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); return pDevice->uSIFS + uAckTime + uNextPktTime; } else { return pDevice->uSIFS + uNextPktTime; } } break; case DATADUR_A_F0: /* DATADUR_A_F0 */ if (((uMACfragNum == 1)) || bLastFrag) {/* Non Frag or Last Frag */ if (bNeedAck) { uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); return pDevice->uSIFS + uAckTime; } else { return 0; } } else { /* First Frag or Mid Frag */ if (byFBOption == AUTO_FB_0) { if (wRate < RATE_18M) wRate = RATE_18M; else if (wRate > RATE_54M) wRate = RATE_54M; if (uFragIdx == (uMACfragNum-2)) uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbLastFragmentSize, wFB_Opt0[FB_RATE0][wRate-RATE_18M], bNeedAck); else uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE0][wRate-RATE_18M], bNeedAck); } else { /* (byFBOption == AUTO_FB_1) */ if (wRate < RATE_18M) wRate = RATE_18M; else if (wRate > RATE_54M) wRate = RATE_54M; if (uFragIdx == (uMACfragNum-2)) uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbLastFragmentSize, wFB_Opt1[FB_RATE0][wRate-RATE_18M], bNeedAck); else uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE0][wRate-RATE_18M], bNeedAck); } if (bNeedAck) { uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); return pDevice->uSIFS + uAckTime + uNextPktTime; } else { return pDevice->uSIFS + uNextPktTime; } } break; case DATADUR_A_F1: /* DATADUR_A_F1 */ if (((uMACfragNum == 1)) || bLastFrag) { /* Non Frag or Last Frag */ if (bNeedAck) { uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); return pDevice->uSIFS + uAckTime; } else { return 0; } } else { /* First Frag or Mid Frag */ if (byFBOption == AUTO_FB_0) { if (wRate < RATE_18M) wRate = RATE_18M; else if (wRate > RATE_54M) wRate = RATE_54M; if (uFragIdx == (uMACfragNum-2)) uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbLastFragmentSize, wFB_Opt0[FB_RATE1][wRate-RATE_18M], bNeedAck); else uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt0[FB_RATE1][wRate-RATE_18M], bNeedAck); } else { /* (byFBOption == AUTO_FB_1) */ if (wRate < RATE_18M) wRate = RATE_18M; else if (wRate > RATE_54M) wRate = RATE_54M; if (uFragIdx == (uMACfragNum-2)) uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbLastFragmentSize, wFB_Opt1[FB_RATE1][wRate-RATE_18M], bNeedAck); else uNextPktTime = s_uGetTxRsvTime(pDevice, byPktType, cbFrameLength, wFB_Opt1[FB_RATE1][wRate-RATE_18M], bNeedAck); } if (bNeedAck) { uAckTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, 14, pDevice->byTopOFDMBasicRate); return pDevice->uSIFS + uAckTime + uNextPktTime; } else { return pDevice->uSIFS + uNextPktTime; } } break; default: break; } return 0; }