struct ieee80211_device *ieee = priv->ieee80211;
if(!priv->bRegHighPowerMechanism)
- {
return false;
- }
if(ieee->state == IEEE80211_LINKED_SCANNING)
- {
return false;
- }
return true;
}
// printk("DoTxHighPower() - UndecoratedSmoothedSS:%d, CurCCKRSSI = %d , bCurCCKPkt= %d \n", priv->UndecoratedSmoothedSS, priv->CurCCKRSSI, priv->bCurCCKPkt );
if((priv->UndecoratedSmoothedSS > HiPwrUpperTh) ||
- (priv->bCurCCKPkt && (priv->CurCCKRSSI > RSSIHiPwrUpperTh)))
- {
+ (priv->bCurCCKPkt && (priv->CurCCKRSSI > RSSIHiPwrUpperTh))) {
// Stevenl suggested that degrade 8dbm in high power sate. 2007-12-04 Isaiah
// printk("=====>DoTxHighPower() - High Power - UndecoratedSmoothedSS:%d, HiPwrUpperTh = %d \n", priv->UndecoratedSmoothedSS, HiPwrUpperTh );
u1bTmp= read_nic_byte(dev, CCK_TXAGC);
// If it never enter High Power.
- if( CckTxPwrIdx == u1bTmp)
- {
+ if( CckTxPwrIdx == u1bTmp) {
u1bTmp = (u1bTmp > 16) ? (u1bTmp -16): 0; // 8dbm
write_nic_byte(dev, CCK_TXAGC, u1bTmp);
write_nic_byte(dev, OFDM_TXAGC, u1bTmp);
}
- }
- else if((priv->UndecoratedSmoothedSS < HiPwrLowerTh) &&
- (!priv->bCurCCKPkt || priv->CurCCKRSSI < RSSIHiPwrLowerTh))
- {
+ } else if((priv->UndecoratedSmoothedSS < HiPwrLowerTh) &&
+ (!priv->bCurCCKPkt || priv->CurCCKRSSI < RSSIHiPwrLowerTh)) {
// printk("DoTxHighPower() - lower Power - UndecoratedSmoothedSS:%d, HiPwrUpperTh = %d \n", priv->UndecoratedSmoothedSS, HiPwrLowerTh );
- if(priv->bToUpdateTxPwr)
- {
+ if(priv->bToUpdateTxPwr) {
priv->bToUpdateTxPwr = false;
//SD3 required.
u1bTmp= read_nic_byte(dev, CCK_TXAGC);
- if(u1bTmp < CckTxPwrIdx)
- {
+ if(u1bTmp < CckTxPwrIdx) {
//u1bTmp = ((u1bTmp+16) > 35) ? 35: (u1bTmp+16); // 8dbm
//write_nic_byte(dev, CCK_TXAGC, u1bTmp);
write_nic_byte(dev, CCK_TXAGC, CckTxPwrIdx);
}
u1bTmp= read_nic_byte(dev, OFDM_TXAGC);
- if(u1bTmp < OfdmTxPwrIdx)
- {
+ if(u1bTmp < OfdmTxPwrIdx) {
//u1bTmp = ((u1bTmp+16) > 35) ? 35: (u1bTmp+16); // 8dbm
//write_nic_byte(dev, OFDM_TXAGC, u1bTmp);
write_nic_byte(dev, OFDM_TXAGC, OfdmTxPwrIdx);
// printk("DIG**********OFDM False Alarm: %#X \n",OFDMFalseAlarm);
// The number of initial gain steps is different, by Bruce, 2007-04-13.
- if (priv->InitialGain == 0 ) //autoDIG
- { // Advised from SD3 DZ
+ if (priv->InitialGain == 0 ) { //autoDIG
+ // Advised from SD3 DZ
priv->InitialGain = 4; // In 87B, m74dBm means State 4 (m82dBm)
}
- { // Advised from SD3 DZ
- OfdmFA1 = 0x20;
- }
+ // Advised from SD3 DZ
+ OfdmFA1 = 0x20;
#if 1 //lzm reserved 080826
AwakePeriodIn2Sec = (2000-priv ->DozePeriodInPast2Sec);
//printk("&&& DozePeriod=%d AwakePeriod=%d\n", priv->DozePeriodInPast2Sec, AwakePeriodIn2Sec);
priv ->DozePeriodInPast2Sec=0;
- if(AwakePeriodIn2Sec)
- {
+ if(AwakePeriodIn2Sec) {
//RT_TRACE(COMP_DIG, DBG_TRACE, ("DIG: AwakePeriodIn2Sec(%d) - FATh(0x%X , 0x%X) ->",AwakePeriodIn2Sec, OfdmFA1, OfdmFA2));
// adjuest DIG threshold.
OfdmFA1 = (u16)((OfdmFA1*AwakePeriodIn2Sec) / 2000) ;
OfdmFA2 = (u16)((OfdmFA2*AwakePeriodIn2Sec) / 2000) ;
//RT_TRACE(COMP_DIG, DBG_TRACE, ("( 0x%X , 0x%X)\n", OfdmFA1, OfdmFA2));
- }
- else
- {
+ } else {
;//RT_TRACE(COMP_DIG, DBG_WARNING, ("ERROR!! AwakePeriodIn2Sec should not be ZERO!!\n"));
}
#endif
InitialGainStep = 8;
LowestGainStage = priv->RegBModeGainStage; // Lowest gain stage.
- if (OFDMFalseAlarm > OfdmFA1)
- {
- if (OFDMFalseAlarm > OfdmFA2)
- {
+ if (OFDMFalseAlarm > OfdmFA1) {
+ if (OFDMFalseAlarm > OfdmFA2) {
priv->DIG_NumberFallbackVote++;
- if (priv->DIG_NumberFallbackVote >1)
- {
+ if (priv->DIG_NumberFallbackVote >1) {
//serious OFDM False Alarm, need fallback
- if (priv->InitialGain < InitialGainStep)
- {
+ if (priv->InitialGain < InitialGainStep) {
priv->InitialGainBackUp= priv->InitialGain;
priv->InitialGain = (priv->InitialGain + 1);
priv->DIG_NumberFallbackVote = 0;
priv->DIG_NumberUpgradeVote=0;
}
- }
- else
- {
+ } else {
if (priv->DIG_NumberFallbackVote)
priv->DIG_NumberFallbackVote--;
}
priv->DIG_NumberUpgradeVote=0;
- }
- else
- {
+ } else {
if (priv->DIG_NumberFallbackVote)
priv->DIG_NumberFallbackVote--;
priv->DIG_NumberUpgradeVote++;
- if (priv->DIG_NumberUpgradeVote>9)
- {
- if (priv->InitialGain > LowestGainStage) // In 87B, m78dBm means State 4 (m864dBm)
- {
+ if (priv->DIG_NumberUpgradeVote>9) {
+ if (priv->InitialGain > LowestGainStage) { // In 87B, m78dBm means State 4 (m864dBm)
priv->InitialGainBackUp= priv->InitialGain;
priv->InitialGain = (priv->InitialGain - 1);
rate_len = priv->ieee80211->current_network.rates_len;
rate_ex_len = priv->ieee80211->current_network.rates_ex_len;
- for( idx=0; idx< rate_len; idx++ )
- {
- if( (priv->ieee80211->current_network.rates[idx] & RateMask) == NaiveTxRate )
- {
+ for( idx=0; idx< rate_len; idx++ ) {
+ if( (priv->ieee80211->current_network.rates[idx] & RateMask) == NaiveTxRate ) {
Found = 1;
goto found_rate;
}
}
- for( idx=0; idx< rate_ex_len; idx++ )
- {
- if( (priv->ieee80211->current_network.rates_ex[idx] & RateMask) == NaiveTxRate )
- {
+ for( idx=0; idx< rate_ex_len; idx++ ) {
+ if( (priv->ieee80211->current_network.rates_ex[idx] & RateMask) == NaiveTxRate ) {
Found = 1;
goto found_rate;
}
u8 UpRate;
// Upgrade 1 degree.
- switch(rate)
- {
+ switch(rate) {
case 108: // Up to 54Mbps.
UpRate = 108;
break;
return rate;
}
// Check if the rate is valid.
- if(IncludedInSupportedRates(priv, UpRate))
- {
+ if(IncludedInSupportedRates(priv, UpRate)) {
// printk("GetUpgradeTxRate(): GetUpgrade Tx rate(%d) from %d !\n", UpRate, priv->CurrentOperaRate);
return UpRate;
- }
- else
- {
+ } else {
//printk("GetUpgradeTxRate(): Tx rate (%d) is not in supported rates\n", UpRate);
return rate;
}
u8 DownRate;
// Upgrade 1 degree.
- switch(rate)
- {
+ switch(rate) {
case 108: // Down to 48Mbps.
DownRate = 96;
break;
return rate;
}
// Check if the rate is valid.
- if(IncludedInSupportedRates(priv, DownRate))
- {
+ if(IncludedInSupportedRates(priv, DownRate)) {
// printk("GetDegradeTxRate(): GetDegrade Tx rate(%d) from %d!\n", DownRate, priv->CurrentOperaRate);
return DownRate;
- }
- else
- {
+ } else {
//printk("GetDegradeTxRate(): Tx rate (%d) is not in supported rates\n", DownRate);
return rate;
}
{
bool bReturn = false;
- if((rate <= 22) && (rate != 12) && (rate != 18))
- {
+ if((rate <= 22) && (rate != 12) && (rate != 18)) {
bReturn = true;
}
//printk("TxPwrTracking87SE(): CurrentThermal(%d)\n", CurrentThermal);
- if( CurrentThermal != priv->ThermalMeter)
- {
+ if( CurrentThermal != priv->ThermalMeter) {
// printk("TxPwrTracking87SE(): Thermal meter changed!!!\n");
// Update Tx Power level on each channel.
- for(Idx = 1; Idx<15; Idx++)
- {
+ for(Idx = 1; Idx<15; Idx++) {
CckTxPwrIdx = priv->chtxpwr[Idx];
OfdmTxPwrIdx = priv->chtxpwr_ofdm[Idx];
- if( CurrentThermal > priv->ThermalMeter )
- { // higher thermal meter.
+ if( CurrentThermal > priv->ThermalMeter ) {
+ // higher thermal meter.
CckTxPwrIdx += (CurrentThermal - priv->ThermalMeter)*2;
OfdmTxPwrIdx += (CurrentThermal - priv->ThermalMeter)*2;
CckTxPwrIdx = 35; // Force TxPower to maximal index.
if(OfdmTxPwrIdx >35)
OfdmTxPwrIdx = 35;
- }
- else
- { // lower thermal meter.
+ } else {
+ // lower thermal meter.
CckTxPwrIdx -= (priv->ThermalMeter - CurrentThermal)*2;
OfdmTxPwrIdx -= (priv->ThermalMeter - CurrentThermal)*2;
priv->CurrentOperaRate = priv->ieee80211->rate/5;
//printk("priv->CurrentOperaRate is %d\n",priv->CurrentOperaRate);
//2 Compute retry ratio.
- if (CurrTxokCnt>0)
- {
+ if (CurrTxokCnt>0) {
CurrRetryRate = (u16)(CurrRetryCnt*100/CurrTxokCnt);
- }
- else
- { // It may be serious retry. To distinguish serious retry or no packets modified by Bruce
+ } else {
+ // It may be serious retry. To distinguish serious retry or no packets modified by Bruce
CurrRetryRate = (u16)(CurrRetryCnt*100/1);
}
priv->CurrRetryCnt = 0;
//2No Tx packets, return to init_rate or not?
- if (CurrRetryRate==0 && CurrTxokCnt == 0)
- {
+ if (CurrRetryRate==0 && CurrTxokCnt == 0) {
//
//After 9 (30*300ms) seconds in this condition, we try to raise rate.
//
// printk("No Tx packets, TryupingCountNoData(%d)\n", priv->TryupingCountNoData);
//[TRC Dell Lab] Extend raised period from 4.5sec to 9sec, Isaiah 2008-02-15 18:00
- if (priv->TryupingCountNoData>30)
- {
+ if (priv->TryupingCountNoData>30) {
priv->TryupingCountNoData = 0;
priv->CurrentOperaRate = GetUpgradeTxRate(dev, priv->CurrentOperaRate);
// Reset Fail Record
priv->FailTxRateCount = 0;
}
goto SetInitialGain;
- }
- else
- {
+ } else {
priv->TryupingCountNoData=0; //Reset trying up times.
}
// Check more times in these rate(key rates).
//
if(priv->CurrentOperaRate == 22 || priv->CurrentOperaRate == 72)
- {
TryUpTh += 9;
- }
//
// Let these rates down more difficult.
//
if(MgntIsCckRate(priv->CurrentOperaRate) || priv->CurrentOperaRate == 36)
- {
TryDownTh += 1;
- }
//1 Adjust Rate.
- if (priv->bTryuping == true)
- {
+ if (priv->bTryuping == true) {
//2 For Test Upgrading mechanism
// Note:
// Sometimes the throughput is upon on the capability bwtween the AP and NIC,
// We randomly upgrade the data rate and check if the retry rate is improved.
// Upgrading rate did not improve the retry rate, fallback to the original rate.
- if ( (CurrRetryRate > 25) && TxThroughput < priv->LastTxThroughput)
- {
+ if ( (CurrRetryRate > 25) && TxThroughput < priv->LastTxThroughput) {
//Not necessary raising rate, fall back rate.
bTryDown = true;
//printk("case1-1: Not necessary raising rate, fall back rate....\n");
//printk("case1-1: pMgntInfo->CurrentOperaRate =%d, TxThroughput = %d, LastThroughput = %d\n",
// priv->CurrentOperaRate, TxThroughput, priv->LastTxThroughput);
- }
- else
- {
+ } else {
priv->bTryuping = false;
}
- }
- else if (CurrSignalStrength > -47 && (CurrRetryRate < 50))
- {
+ } else if (CurrSignalStrength > -47 && (CurrRetryRate < 50)) {
//2For High Power
//
// Added by Roger, 2007.04.09.
// Revise SignalStrength threshold to -51dbm.
//
// Also need to check retry rate for safety, by Bruce, 2007-06-05.
- if(priv->CurrentOperaRate != priv->ieee80211->current_network.HighestOperaRate )
- {
+ if(priv->CurrentOperaRate != priv->ieee80211->current_network.HighestOperaRate ) {
bTryUp = true;
// Upgrade Tx Rate directly.
priv->TryupingCount += TryUpTh;
}
// printk("case2: StaRateAdaptive87SE: Power(%d) is high enough!!. \n", CurrSignalStrength);
- }
- else if(CurrTxokCnt > 9 && CurrTxokCnt< 100 && CurrRetryRate >= 600)
- {
+ } else if(CurrTxokCnt > 9 && CurrTxokCnt< 100 && CurrRetryRate >= 600) {
//2 For Serious Retry
//
// Traffic is not busy but our Tx retry is serious.
// Let Rate Mechanism to degrade tx rate directly.
priv->TryDownCountLowData += TryDownTh;
// printk("case3: RA: Tx Retry is serious. Degrade Tx Rate to %d directly...\n", priv->CurrentOperaRate);
- }
- else if ( priv->CurrentOperaRate == 108 )
- {
+ } else if ( priv->CurrentOperaRate == 108 ) {
//2For 54Mbps
// Air Link
- if ( (CurrRetryRate>26)&&(priv->LastRetryRate>25))
+ if ( (CurrRetryRate>26)&&(priv->LastRetryRate>25)) {
// if ( (CurrRetryRate>40)&&(priv->LastRetryRate>39))
- {
//Down to rate 48Mbps.
bTryDown = true;
}
// Cable Link
- else if ( (CurrRetryRate>17)&&(priv->LastRetryRate>16) && (CurrSignalStrength > -72))
+ else if ( (CurrRetryRate>17)&&(priv->LastRetryRate>16) && (CurrSignalStrength > -72)) {
// else if ( (CurrRetryRate>17)&&(priv->LastRetryRate>16) && (CurrSignalStrength > -72))
- {
//Down to rate 48Mbps.
bTryDown = true;
}
if(bTryDown && (CurrSignalStrength < -75)) //cable link
- {
priv->TryDownCountLowData += TryDownTh;
- }
//printk("case4---54M \n");
}
- else if ( priv->CurrentOperaRate == 96 )
- {
+ else if ( priv->CurrentOperaRate == 96 ) {
//2For 48Mbps
//Air Link
- if ( ((CurrRetryRate>48) && (priv->LastRetryRate>47)))
+ if ( ((CurrRetryRate>48) && (priv->LastRetryRate>47))) {
// if ( ((CurrRetryRate>65) && (priv->LastRetryRate>64)))
-
- {
//Down to rate 36Mbps.
bTryDown = true;
- }
- //Cable Link
- else if ( ((CurrRetryRate>21) && (priv->LastRetryRate>20)) && (CurrSignalStrength > -74))
- {
+ } else if ( ((CurrRetryRate>21) && (priv->LastRetryRate>20)) && (CurrSignalStrength > -74)) { //Cable Link
//Down to rate 36Mbps.
bTryDown = true;
- }
- else if((CurrRetryRate> (priv->LastRetryRate + 50 )) && (priv->FailTxRateCount >2 ))
+ } else if((CurrRetryRate> (priv->LastRetryRate + 50 )) && (priv->FailTxRateCount >2 )) {
// else if((CurrRetryRate> (priv->LastRetryRate + 70 )) && (priv->FailTxRateCount >2 ))
- {
bTryDown = true;
priv->TryDownCountLowData += TryDownTh;
- }
- else if ( (CurrRetryRate<8) && (priv->LastRetryRate<8) ) //TO DO: need to consider (RSSI)
+ } else if ( (CurrRetryRate<8) && (priv->LastRetryRate<8) ) { //TO DO: need to consider (RSSI)
// else if ( (CurrRetryRate<28) && (priv->LastRetryRate<8) )
- {
bTryUp = true;
}
- if(bTryDown && (CurrSignalStrength < -75))
- {
+ if(bTryDown && (CurrSignalStrength < -75)){
priv->TryDownCountLowData += TryDownTh;
}
//printk("case5---48M \n");
- }
- else if ( priv->CurrentOperaRate == 72 )
- {
+ } else if ( priv->CurrentOperaRate == 72 ) {
//2For 36Mbps
- if ( (CurrRetryRate>43) && (priv->LastRetryRate>41))
+ if ( (CurrRetryRate>43) && (priv->LastRetryRate>41)) {
// if ( (CurrRetryRate>60) && (priv->LastRetryRate>59))
- {
//Down to rate 24Mbps.
bTryDown = true;
- }
- else if((CurrRetryRate> (priv->LastRetryRate + 50 )) && (priv->FailTxRateCount >2 ))
+ } else if((CurrRetryRate> (priv->LastRetryRate + 50 )) && (priv->FailTxRateCount >2 )) {
// else if((CurrRetryRate> (priv->LastRetryRate + 70 )) && (priv->FailTxRateCount >2 ))
- {
bTryDown = true;
priv->TryDownCountLowData += TryDownTh;
- }
- else if ( (CurrRetryRate<15) && (priv->LastRetryRate<16)) //TO DO: need to consider (RSSI)
+ } else if ( (CurrRetryRate<15) && (priv->LastRetryRate<16)) { //TO DO: need to consider (RSSI)
// else if ( (CurrRetryRate<35) && (priv->LastRetryRate<36))
- {
bTryUp = true;
}
if(bTryDown && (CurrSignalStrength < -80))
- {
priv->TryDownCountLowData += TryDownTh;
- }
+
//printk("case6---36M \n");
- }
- else if ( priv->CurrentOperaRate == 48 )
- {
+ } else if ( priv->CurrentOperaRate == 48 ) {
//2For 24Mbps
// Air Link
- if ( ((CurrRetryRate>63) && (priv->LastRetryRate>62)))
+ if ( ((CurrRetryRate>63) && (priv->LastRetryRate>62))) {
// if ( ((CurrRetryRate>83) && (priv->LastRetryRate>82)))
- {
//Down to rate 18Mbps.
bTryDown = true;
- }
- //Cable Link
- else if ( ((CurrRetryRate>33) && (priv->LastRetryRate>32)) && (CurrSignalStrength > -82) )
+ } else if ( ((CurrRetryRate>33) && (priv->LastRetryRate>32)) && (CurrSignalStrength > -82) ) { //Cable Link
// else if ( ((CurrRetryRate>50) && (priv->LastRetryRate>49)) && (CurrSignalStrength > -82) )
- {
//Down to rate 18Mbps.
bTryDown = true;
- }
- else if((CurrRetryRate> (priv->LastRetryRate + 50 )) && (priv->FailTxRateCount >2 ))
+ } else if((CurrRetryRate> (priv->LastRetryRate + 50 )) && (priv->FailTxRateCount >2 )) {
// else if((CurrRetryRate> (priv->LastRetryRate + 70 )) && (priv->FailTxRateCount >2 ))
-
- {
bTryDown = true;
priv->TryDownCountLowData += TryDownTh;
- }
- else if ( (CurrRetryRate<20) && (priv->LastRetryRate<21)) //TO DO: need to consider (RSSI)
+ } else if ( (CurrRetryRate<20) && (priv->LastRetryRate<21)) { //TO DO: need to consider (RSSI)
// else if ( (CurrRetryRate<40) && (priv->LastRetryRate<41))
- {
bTryUp = true;
}
if(bTryDown && (CurrSignalStrength < -82))
- {
priv->TryDownCountLowData += TryDownTh;
- }
+
//printk("case7---24M \n");
- }
- else if ( priv->CurrentOperaRate == 36 )
- {
+ } else if ( priv->CurrentOperaRate == 36 ) {
//2For 18Mbps
// original (109, 109)
//[TRC Dell Lab] (90, 91), Isaiah 2008-02-18 23:24
// (85, 86), Isaiah 2008-02-18 24:00
- if ( ((CurrRetryRate>85) && (priv->LastRetryRate>86)))
+ if ( ((CurrRetryRate>85) && (priv->LastRetryRate>86))) {
// if ( ((CurrRetryRate>115) && (priv->LastRetryRate>116)))
- {
//Down to rate 11Mbps.
bTryDown = true;
- }
- //[TRC Dell Lab] Isaiah 2008-02-18 23:24
- else if((CurrRetryRate> (priv->LastRetryRate + 50 )) && (priv->FailTxRateCount >2 ))
+
+ //[TRC Dell Lab] Isaiah 2008-02-18 23:24
+ } else if((CurrRetryRate> (priv->LastRetryRate + 50 )) && (priv->FailTxRateCount >2 )) {
// else if((CurrRetryRate> (priv->LastRetryRate + 70 )) && (priv->FailTxRateCount >2 ))
- {
bTryDown = true;
priv->TryDownCountLowData += TryDownTh;
- }
- else if ( (CurrRetryRate<22) && (priv->LastRetryRate<23)) //TO DO: need to consider (RSSI)
+ } else if ( (CurrRetryRate<22) && (priv->LastRetryRate<23)) { //TO DO: need to consider (RSSI)
// else if ( (CurrRetryRate<42) && (priv->LastRetryRate<43))
- {
bTryUp = true;
}
//printk("case8---18M \n");
- }
- else if ( priv->CurrentOperaRate == 22 )
- {
+ } else if ( priv->CurrentOperaRate == 22 ) {
//2For 11Mbps
- if (CurrRetryRate>95)
+ if (CurrRetryRate>95) {
// if (CurrRetryRate>155)
- {
bTryDown = true;
}
- else if ( (CurrRetryRate<29) && (priv->LastRetryRate <30) )//TO DO: need to consider (RSSI)
+ else if ( (CurrRetryRate<29) && (priv->LastRetryRate <30) ) { //TO DO: need to consider (RSSI)
// else if ( (CurrRetryRate<49) && (priv->LastRetryRate <50) )
- {
bTryUp = true;
- }
- //printk("case9---11M \n");
}
- else if ( priv->CurrentOperaRate == 11 )
- {
+ //printk("case9---11M \n");
+ } else if ( priv->CurrentOperaRate == 11 ) {
//2For 5.5Mbps
- if (CurrRetryRate>149)
+ if (CurrRetryRate>149) {
// if (CurrRetryRate>189)
- {
bTryDown = true;
- }
- else if ( (CurrRetryRate<60) && (priv->LastRetryRate < 65))
+ } else if ( (CurrRetryRate<60) && (priv->LastRetryRate < 65)) {
// else if ( (CurrRetryRate<80) && (priv->LastRetryRate < 85))
-
- {
bTryUp = true;
- }
- //printk("case10---5.5M \n");
}
- else if ( priv->CurrentOperaRate == 4 )
- {
+ //printk("case10---5.5M \n");
+ } else if ( priv->CurrentOperaRate == 4 ) {
//2For 2 Mbps
- if((CurrRetryRate>99) && (priv->LastRetryRate>99))
+ if((CurrRetryRate>99) && (priv->LastRetryRate>99)) {
// if((CurrRetryRate>199) && (priv->LastRetryRate>199))
- {
bTryDown = true;
- }
- else if ( (CurrRetryRate < 65) && (priv->LastRetryRate < 70))
+ } else if ( (CurrRetryRate < 65) && (priv->LastRetryRate < 70)) {
// else if ( (CurrRetryRate < 85) && (priv->LastRetryRate < 90))
- {
bTryUp = true;
}
//printk("case11---2M \n");
- }
- else if ( priv->CurrentOperaRate == 2 )
- {
+ } else if ( priv->CurrentOperaRate == 2 ) {
//2For 1 Mbps
- if( (CurrRetryRate<70) && (priv->LastRetryRate<75))
+ if( (CurrRetryRate<70) && (priv->LastRetryRate<75)) {
// if( (CurrRetryRate<90) && (priv->LastRetryRate<95))
- {
bTryUp = true;
}
//printk("case12---1M \n");
// Sometimes the cause of the low throughput (high retry rate) is the compatibility between the AP and NIC.
// To test if the upper rate may cause lower retry rate, this mechanism randomly occurs to test upgrading tx rate.
if(!bTryUp && !bTryDown && (priv->TryupingCount == 0) && (priv->TryDownCountLowData == 0)
- && priv->CurrentOperaRate != priv->ieee80211->current_network.HighestOperaRate && priv->FailTxRateCount < 2)
- {
- if(jiffies% (CurrRetryRate + 101) == 0)
- {
+ && priv->CurrentOperaRate != priv->ieee80211->current_network.HighestOperaRate && priv->FailTxRateCount < 2) {
+ if(jiffies% (CurrRetryRate + 101) == 0) {
bTryUp = true;
priv->bTryuping = true;
//printk("StaRateAdaptive87SE(): Randomly try upgrading...\n");
}
//1 Rate Mechanism
- if(bTryUp)
- {
+ if(bTryUp) {
priv->TryupingCount++;
priv->TryDownCountLowData = 0;
- {
// printk("UP: pHalData->TryupingCount = %d\n", priv->TryupingCount);
// printk("UP: TryUpTh(%d)+ (FailTxRateCount(%d))^2 =%d\n",
// TryUpTh, priv->FailTxRateCount, (TryUpTh + priv->FailTxRateCount * priv->FailTxRateCount) );
-// printk("UP: pHalData->bTryuping=%d\n", priv->bTryuping);
-
- }
+// printk("UP: pHalData->bTryuping=%d\n", priv->bTryuping);}
//
// Check more times if we need to upgrade indeed.
//
if((priv->TryupingCount > (TryUpTh + priv->FailTxRateCount * priv->FailTxRateCount)) ||
- (CurrSignalStrength > priv->LastFailTxRateSS) || priv->bTryuping)
- {
+ (CurrSignalStrength > priv->LastFailTxRateSS) || priv->bTryuping) {
priv->TryupingCount = 0;
//
// When transferring from CCK to OFDM, DIG is an important issue.
// printk("StaRateAdaptive87SE(): Upgrade Tx Rate to %d\n", priv->CurrentOperaRate);
//[TRC Dell Lab] Bypass 12/9/6, Isaiah 2008-02-18 20:00
- if(priv->CurrentOperaRate ==36)
- {
+ if(priv->CurrentOperaRate ==36) {
priv->bUpdateARFR=true;
write_nic_word(dev, ARFR, 0x0F8F); //bypass 12/9/6
// printk("UP: ARFR=0xF8F\n");
- }
- else if(priv->bUpdateARFR)
- {
+ } else if(priv->bUpdateARFR) {
priv->bUpdateARFR=false;
write_nic_word(dev, ARFR, 0x0FFF); //set 1M ~ 54Mbps.
// printk("UP: ARFR=0xFFF\n");
}
// Update Fail Tx rate and count.
- if(priv->LastFailTxRate != priv->CurrentOperaRate)
- {
+ if(priv->LastFailTxRate != priv->CurrentOperaRate) {
priv->LastFailTxRate = priv->CurrentOperaRate;
priv->FailTxRateCount = 0;
priv->LastFailTxRateSS = -200; // Set lowest power.
}
}
- }
- else
- {
+ } else {
if(priv->TryupingCount > 0)
priv->TryupingCount --;
}
- if(bTryDown)
- {
+ if(bTryDown) {
priv->TryDownCountLowData++;
priv->TryupingCount = 0;
- {
+
// printk("DN: pHalData->TryDownCountLowData = %d\n",priv->TryDownCountLowData);
// printk("DN: TryDownTh =%d\n", TryDownTh);
// printk("DN: pHalData->bTryuping=%d\n", priv->bTryuping);
- }
+
//Check if Tx rate can be degraded or Test trying upgrading should fallback.
- if(priv->TryDownCountLowData > TryDownTh || priv->bTryuping)
- {
+ if(priv->TryDownCountLowData > TryDownTh || priv->bTryuping) {
priv->TryDownCountLowData = 0;
priv->bTryuping = false;
// Update fail information.
- if(priv->LastFailTxRate == priv->CurrentOperaRate)
- {
+ if(priv->LastFailTxRate == priv->CurrentOperaRate) {
priv->FailTxRateCount ++;
// Record the Tx fail rate signal strength.
if(CurrSignalStrength > priv->LastFailTxRateSS)
- {
priv->LastFailTxRateSS = CurrSignalStrength;
- }
- }
- else
- {
+ } else {
priv->LastFailTxRate = priv->CurrentOperaRate;
priv->FailTxRateCount = 1;
priv->LastFailTxRateSS = CurrSignalStrength;
// Reduce chariot training time at weak signal strength situation. SD3 ED demand.
//[TRC Dell Lab] Revise Signal Threshold from -75 to -80 , Isaiah 2008-02-18 20:00
- if( (CurrSignalStrength < -80) && (priv->CurrentOperaRate > 72 ))
- {
+ if( (CurrSignalStrength < -80) && (priv->CurrentOperaRate > 72 )) {
priv->CurrentOperaRate = 72;
// printk("DN: weak signal strength (%d), degrade to 36Mbps\n", CurrSignalStrength);
}
//[TRC Dell Lab] Bypass 12/9/6, Isaiah 2008-02-18 20:00
- if(priv->CurrentOperaRate ==36)
- {
+ if(priv->CurrentOperaRate ==36) {
priv->bUpdateARFR=true;
write_nic_word(dev, ARFR, 0x0F8F); //bypass 12/9/6
// printk("DN: ARFR=0xF8F\n");
- }
- else if(priv->bUpdateARFR)
- {
+ } else if(priv->bUpdateARFR) {
priv->bUpdateARFR=false;
write_nic_word(dev, ARFR, 0x0FFF); //set 1M ~ 54Mbps.
// printk("DN: ARFR=0xFFF\n");
//
// When it is CCK rate, it may need to update initial gain to receive lower power packets.
//
- if(MgntIsCckRate(priv->CurrentOperaRate))
- {
+ if(MgntIsCckRate(priv->CurrentOperaRate)) {
bUpdateInitialGain = true;
}
// printk("StaRateAdaptive87SE(): Degrade Tx Rate to %d\n", priv->CurrentOperaRate);
}
- }
- else
- {
+ } else {
if(priv->TryDownCountLowData > 0)
priv->TryDownCountLowData --;
}
// Keep the Tx fail rate count to equal to 0x15 at most.
// Reduce the fail count at least to 10 sec if tx rate is tending stable.
if(priv->FailTxRateCount >= 0x15 ||
- (!bTryUp && !bTryDown && priv->TryDownCountLowData == 0 && priv->TryupingCount && priv->FailTxRateCount > 0x6))
- {
+ (!bTryUp && !bTryDown && priv->TryDownCountLowData == 0 && priv->TryupingCount && priv->FailTxRateCount > 0x6)) {
priv->FailTxRateCount --;
}
CckTxPwrIdx = priv->chtxpwr[priv->ieee80211->current_network.channel];
//[TRC Dell Lab] Mac0x9e increase 2 level in 36M~18M situation, Isaiah 2008-02-18 24:00
- if((priv->CurrentOperaRate < 96) &&(priv->CurrentOperaRate > 22))
- {
+ if((priv->CurrentOperaRate < 96) &&(priv->CurrentOperaRate > 22)) {
u1bCck = read_nic_byte(dev, CCK_TXAGC);
u1bOfdm = read_nic_byte(dev, OFDM_TXAGC);
// case 1: Never enter High power
- if(u1bCck == CckTxPwrIdx )
- {
- if(u1bOfdm != (OfdmTxPwrIdx+2) )
- {
+ if(u1bCck == CckTxPwrIdx ) {
+ if(u1bOfdm != (OfdmTxPwrIdx+2) ) {
priv->bEnhanceTxPwr= true;
u1bOfdm = ((u1bOfdm+2) > 35) ? 35: (u1bOfdm+2);
write_nic_byte(dev, OFDM_TXAGC, u1bOfdm);
// printk("Enhance OFDM_TXAGC : +++++ u1bOfdm= 0x%x\n", u1bOfdm);
}
- }
+ } else if(u1bCck < CckTxPwrIdx) {
// case 2: enter high power
- else if(u1bCck < CckTxPwrIdx)
- {
- if(!priv->bEnhanceTxPwr)
- {
+ if(!priv->bEnhanceTxPwr) {
priv->bEnhanceTxPwr= true;
u1bOfdm = ((u1bOfdm+2) > 35) ? 35: (u1bOfdm+2);
write_nic_byte(dev, OFDM_TXAGC, u1bOfdm);
//RT_TRACE(COMP_RATE, DBG_TRACE, ("Enhance OFDM_TXAGC(2) : +++++ u1bOfdm= 0x%x\n", u1bOfdm));
}
}
- }
- else if(priv->bEnhanceTxPwr) //54/48/11/5.5/2/1
- {
+ } else if(priv->bEnhanceTxPwr) { //54/48/11/5.5/2/1
u1bCck = read_nic_byte(dev, CCK_TXAGC);
u1bOfdm = read_nic_byte(dev, OFDM_TXAGC);
// case 1: Never enter High power
- if(u1bCck == CckTxPwrIdx )
- {
+ if(u1bCck == CckTxPwrIdx ) {
priv->bEnhanceTxPwr= false;
write_nic_byte(dev, OFDM_TXAGC, OfdmTxPwrIdx);
//printk("Recover OFDM_TXAGC : ===== u1bOfdm= 0x%x\n", OfdmTxPwrIdx);
}
// case 2: enter high power
- else if(u1bCck < CckTxPwrIdx)
- {
+ else if(u1bCck < CckTxPwrIdx) {
priv->bEnhanceTxPwr= false;
u1bOfdm = ((u1bOfdm-2) > 0) ? (u1bOfdm-2): 0;
write_nic_byte(dev, OFDM_TXAGC, u1bOfdm);
// "from CCK to OFDM".
//
SetInitialGain:
- if(bUpdateInitialGain)
- {
- if(MgntIsCckRate(priv->CurrentOperaRate)) // CCK
- {
- if(priv->InitialGain > priv->RegBModeGainStage)
- {
+ if(bUpdateInitialGain) {
+ if(MgntIsCckRate(priv->CurrentOperaRate)) { // CCK
+ if(priv->InitialGain > priv->RegBModeGainStage) {
priv->InitialGainBackUp= priv->InitialGain;
if(CurrSignalStrength < -85) // Low power, OFDM [0x17] = 26.
- {
//SD3 SYs suggest that CurrSignalStrength < -65, ofdm 0x17=26.
priv->InitialGain = priv->RegBModeGainStage;
- }
+
else if(priv->InitialGain > priv->RegBModeGainStage + 1)
- {
priv->InitialGain -= 2;
- }
- else
- {
+
+ else
priv->InitialGain --;
- }
+
printk("StaRateAdaptive87SE(): update init_gain to index %d for date rate %d\n",priv->InitialGain, priv->CurrentOperaRate);
UpdateInitialGain(dev);
}
- }
- else // OFDM
- {
- if(priv->InitialGain < 4)
- {
+ } else { // OFDM
+ if(priv->InitialGain < 4) {
priv->InitialGainBackUp= priv->InitialGain;
priv->InitialGain ++;
{
struct r8180_priv* priv = ieee80211_priv((struct net_device *)data);
//DMESG("---->timer_rate_adaptive()\n");
- if(!priv->up)
- {
+ if(!priv->up) {
// DMESG("<----timer_rate_adaptive():driver is not up!\n");
return;
}
if((priv->ieee80211->iw_mode != IW_MODE_MASTER)
&& (priv->ieee80211->state == IEEE80211_LINKED) &&
- (priv->ForcedDataRate == 0) )
- {
+ (priv->ForcedDataRate == 0) ) {
// DMESG("timer_rate_adaptive():schedule rate_adapter_wq\n");
queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->rate_adapter_wq);
// StaRateAdaptive87SE((struct net_device *)data);
priv->AdRxOkCnt++;
- if( priv->AdRxSignalStrength != -1)
- {
+ if( priv->AdRxSignalStrength != -1) {
priv->AdRxSignalStrength = ((priv->AdRxSignalStrength*7) + (SignalStrength*3)) / 10;
- }
- else
- { // Initialization case.
+ } else { // Initialization case.
priv->AdRxSignalStrength = SignalStrength;
}
//{+by amy 080312
// printk("+SetAntenna8185(): Antenna is switching to: %d \n", u1bAntennaIndex);
- switch(u1bAntennaIndex)
- {
+ switch(u1bAntennaIndex) {
case 0:
/* Mac register, main antenna */
write_nic_byte(dev, ANTSEL, 0x03);
}
if(bAntennaSwitched)
- {
priv->CurrAntennaIndex = u1bAntennaIndex;
- }
// printk("-SetAntenna8185(): return (%#X)\n", bAntennaSwitched);
bool bResult;
- if(priv->CurrAntennaIndex == 0)
- {
+ if(priv->CurrAntennaIndex == 0) {
bResult = SetAntenna8185(dev, 1);
//by amy 080312
// printk("SwitchAntenna(): switching to antenna 1 ......\n");
// bResult = SetAntenna8185(dev, 1);//-by amy 080312
- }
- else
- {
+ } else {
bResult = SetAntenna8185(dev, 0);
//by amy 080312
// printk("SwitchAntenna(): switching to antenna 0 ......\n");
// printk("+SwAntennaDiversity(): CurrAntennaIndex: %d\n", priv->CurrAntennaIndex);
// printk("AdTickCount is %d\n",priv->AdTickCount);
//by amy 080312
- if(bSwCheckSS)
- {
+ if(bSwCheckSS) {
priv->AdTickCount++;
printk("(1) AdTickCount: %d, AdCheckPeriod: %d\n",
// priv->AdTickCount++;//-by amy 080312
// Case 1. No Link.
- if(priv->ieee80211->state != IEEE80211_LINKED)
- {
+ if(priv->ieee80211->state != IEEE80211_LINKED) {
// printk("SwAntennaDiversity(): Case 1. No Link.\n");
priv->bAdSwitchedChecking = false;
// I switch antenna here to prevent any one of antenna is broken before link established, 2006.04.18, by rcnjko..
SwitchAntenna(dev);
- }
- // Case 2. Linked but no packet received.
- else if(priv->AdRxOkCnt == 0)
- {
+
+ // Case 2. Linked but no packet receive.d
+ } else if(priv->AdRxOkCnt == 0) {
// printk("SwAntennaDiversity(): Case 2. Linked but no packet received.\n");
priv->bAdSwitchedChecking = false;
SwitchAntenna(dev);
- }
- // Case 3. Evaluate last antenna switch action and undo it if necessary.
- else if(priv->bAdSwitchedChecking == true)
- {
+
+ // Case 3. Evaluate last antenna switch action and undo it if necessary.
+ } else if(priv->bAdSwitchedChecking == true) {
// printk("SwAntennaDiversity(): Case 3. Evaluate last antenna switch action.\n");
priv->bAdSwitchedChecking = false;
priv->AdRxSsThreshold = (priv->AdRxSsThreshold > priv->AdMaxRxSsThreshold) ?
priv->AdMaxRxSsThreshold: priv->AdRxSsThreshold;
- if(priv->AdRxSignalStrength < priv->AdRxSsBeforeSwitched)
- { // Rx signal strength is not improved after we swtiched antenna. => Swich back.
+ if(priv->AdRxSignalStrength < priv->AdRxSsBeforeSwitched) {
+ // Rx signal strength is not improved after we swtiched antenna. => Swich back.
// printk("SwAntennaDiversity(): Rx Signal Strength is not improved, CurrRxSs: %d, LastRxSs: %d\n",
// priv->AdRxSignalStrength, priv->AdRxSsBeforeSwitched);
//by amy 080312
// Wrong deceision => switch back.
SwitchAntenna(dev);
- }
- else
- { // Rx Signal Strength is improved.
+ } else {
+ // Rx Signal Strength is improved.
// printk("SwAntennaDiversity(): Rx Signal Strength is improved, CurrRxSs: %d, LastRxSs: %d\n",
// priv->AdRxSignalStrength, priv->AdRxSsBeforeSwitched);
}
// Case 4. Evaluate if we shall switch antenna now.
// Cause Table Speed is very fast in TRC Dell Lab, we check it every time.
- else// if(priv->AdTickCount >= priv->AdCheckPeriod)//-by amy 080312
- {
+ else { // if(priv->AdTickCount >= priv->AdCheckPeriod)//-by amy 080312
// printk("SwAntennaDiversity(): Case 4. Evaluate if we shall switch antenna now.\n");
priv->AdTickCount = 0;
// Added by Roger, 2008.02.21.
//{by amy 080312
if((priv->AdMainAntennaRxOkCnt < priv->AdAuxAntennaRxOkCnt)
- && (priv->CurrAntennaIndex == 0))
- { // We set Main antenna as default but RxOk count was less than Aux ones.
+ && (priv->CurrAntennaIndex == 0)) {
+ // We set Main antenna as default but RxOk count was less than Aux ones.
// printk("SwAntennaDiversity(): Main antenna RxOK is poor, AdMainAntennaRxOkCnt: %d, AdAuxAntennaRxOkCnt: %d\n",
// priv->AdMainAntennaRxOkCnt, priv->AdAuxAntennaRxOkCnt);
// Switch to Aux antenna.
SwitchAntenna(dev);
priv->bHWAdSwitched = true;
- }
- else if((priv->AdAuxAntennaRxOkCnt < priv->AdMainAntennaRxOkCnt)
- && (priv->CurrAntennaIndex == 1))
- { // We set Aux antenna as default but RxOk count was less than Main ones.
+ } else if((priv->AdAuxAntennaRxOkCnt < priv->AdMainAntennaRxOkCnt)
+ && (priv->CurrAntennaIndex == 1)) {
+ // We set Aux antenna as default but RxOk count was less than Main ones.
// printk("SwAntennaDiversity(): Aux antenna RxOK is poor, AdMainAntennaRxOkCnt: %d, AdAuxAntennaRxOkCnt: %d\n",
// priv->AdMainAntennaRxOkCnt, priv->AdAuxAntennaRxOkCnt);
// Switch to Main antenna.
SwitchAntenna(dev);
priv->bHWAdSwitched = true;
- }
- else
- {// Default antenna is better.
+ } else {
+ // Default antenna is better.
// printk("SwAntennaDiversity(): Default antenna is better., AdMainAntennaRxOkCnt: %d, AdAuxAntennaRxOkCnt: %d\n",
// priv->AdMainAntennaRxOkCnt, priv->AdAuxAntennaRxOkCnt);
// Our guess is that main antenna have lower throughput and get many change
// to receive more CCK packets(ex.Beacon) which have stronger SignalStrength.
//
- if( (!priv->bHWAdSwitched) && (bSwCheckSS))
- {
+ if( (!priv->bHWAdSwitched) && (bSwCheckSS)) {
//by amy 080312}
// Evaluate Rx signal strength if we shall switch antenna now.
- if(priv->AdRxSignalStrength < priv->AdRxSsThreshold)
- { // Rx signal strength is weak => Switch Antenna.
+ if(priv->AdRxSignalStrength < priv->AdRxSsThreshold) {
+ // Rx signal strength is weak => Switch Antenna.
// printk("SwAntennaDiversity(): Rx Signal Strength is weak, CurrRxSs: %d, RxSsThreshold: %d\n",
// priv->AdRxSignalStrength, priv->AdRxSsThreshold);
priv->bAdSwitchedChecking = true;
SwitchAntenna(dev);
- }
- else
- { // Rx signal strength is OK.
+ } else {
+ // Rx signal strength is OK.
// printk("SwAntennaDiversity(): Rx Signal Strength is OK, CurrRxSs: %d, RxSsThreshold: %d\n",
// priv->AdRxSignalStrength, priv->AdRxSsThreshold);
priv->bAdSwitchedChecking = false;
// Increase Rx signal strength threshold if necessary.
if( (priv->AdRxSignalStrength > (priv->AdRxSsThreshold + 10)) && // Signal is much stronger than current threshold
- priv->AdRxSsThreshold <= priv->AdMaxRxSsThreshold) // Current threhold is not yet reach upper limit.
- {
+ priv->AdRxSsThreshold <= priv->AdMaxRxSsThreshold) { // Current threhold is not yet reach upper limit.
+
priv->AdRxSsThreshold = (priv->AdRxSsThreshold + priv->AdRxSignalStrength) / 2;
priv->AdRxSsThreshold = (priv->AdRxSsThreshold > priv->AdMaxRxSsThreshold) ?
priv->AdMaxRxSsThreshold: priv->AdRxSsThreshold;//+by amy 080312
// Reduce Antenna Diversity checking period if possible.
if( priv->AdCheckPeriod > priv->AdMinCheckPeriod )
- {
priv->AdCheckPeriod /= 2;
- }
}
}
}
struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
if(!priv->bTxPowerTrack)
- {
return false;
- }
//lzm reserved 080826
//if(priv->bScanInProgress)
//if 87SE is in High Power , don't do Tx Power Tracking. asked by SD3 ED. 2008-08-08 Isaiah
if(priv->bToUpdateTxPwr)
- {
return false;
- }
return true;
}
// 2007.05.09, added by Roger.
//
rtState = priv->eRFPowerState;
- do{
- if (rtState == eRfOff)
- {
+ do {
+ if (rtState == eRfOff) {
// printk("SwAntennaDiversityTimer - RF is OFF.\n");
break;
- }
- else if (rtState == eRfSleep)
- {
+ } else if (rtState == eRfSleep) {
// Don't access BB/RF under Disable PLL situation.
//RT_TRACE((COMP_RF|COMP_ANTENNA), DBG_LOUD, ("SwAntennaDiversityTimerCallback(): RF is Sleep => skip it\n"));
break;
}
SwAntennaDiversity(dev);
- }while(false);
+ } while(false);
- if(priv->up)
- {
+ if(priv->up) {
priv->SwAntennaDiversityTimer.expires = jiffies + MSECS(ANTENNA_DIVERSITY_TIMER_PERIOD);
add_timer(&priv->SwAntennaDiversityTimer);
}
projects / openwrt / staging / blogic.git / commitdiff