/*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;
}
