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Commit 3e837dca authored by Andrew Miller's avatar Andrew Miller Committed by Greg Kroah-Hartman
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Staging: rtl8187se: r8180_dm.c: Removed old comments 

Removed some old comments
Signed-off-by: default avatarAndrew Miller <amiller@amilx.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 29673655
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Showing with 21 additions and 286 deletions
drivers/staging/rtl8187se/r8180_dm.c
View file @ 3e837dca
/*#include "r8180.h" */
#include "r8180_dm.h"
#include "r8180_hw.h"
#include "r8180_93cx6.h"
/*{by amy 080312 */
/*
* Description:
* Return TRUE if we shall perform High Power Mecahnism, FALSE otherwise.
*
*+by amy 080312
*/
/* Return TRUE if we shall perform High Power Mecahnism, FALSE otherwise. */
#define RATE_ADAPTIVE_TIMER_PERIOD 300
bool CheckHighPower(struct net_device *dev)
......@@ -47,8 +40,6 @@ void DoTxHighPower(struct net_device *dev)
u8 u1bTmp;
char OfdmTxPwrIdx, CckTxPwrIdx;
/* printk("----> DoTxHighPower()\n"); */
HiPwrUpperTh = priv->RegHiPwrUpperTh;
HiPwrLowerTh = priv->RegHiPwrLowerTh;
......@@ -61,16 +52,10 @@ void DoTxHighPower(struct net_device *dev)
OfdmTxPwrIdx = priv->chtxpwr_ofdm[priv->ieee80211->current_network.channel];
CckTxPwrIdx = priv->chtxpwr[priv->ieee80211->current_network.channel];
/*
* printk("DoTxHighPower() - UndecoratedSmoothedSS:%d, CurCCKRSSI = %d , bCurCCKPkt= %d \n",
* priv->UndecoratedSmoothedSS, priv->CurCCKRSSI, priv->bCurCCKPkt );
*/
if ((priv->UndecoratedSmoothedSS > HiPwrUpperTh) ||
(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 ); */
priv->bToUpdateTxPwr = true;
u1bTmp= read_nic_byte(dev, CCK_TXAGC);
......@@ -86,27 +71,20 @@ void DoTxHighPower(struct net_device *dev)
} 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) {
priv->bToUpdateTxPwr = false;
/* SD3 required. */
u1bTmp= read_nic_byte(dev, CCK_TXAGC);
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) {
/* u1bTmp = ((u1bTmp+16) > 35) ? 35: (u1bTmp+16); 8dbm */
/* write_nic_byte(dev, OFDM_TXAGC, u1bTmp); */
write_nic_byte(dev, OFDM_TXAGC, OfdmTxPwrIdx);
}
}
}
/* printk("<---- DoTxHighPower()\n"); */
}
......@@ -118,25 +96,16 @@ void DoTxHighPower(struct net_device *dev)
*/
void rtl8180_tx_pw_wq(struct work_struct *work)
{
/* struct r8180_priv *priv = container_of(work, struct r8180_priv, watch_dog_wq);
* struct ieee80211_device * ieee = (struct ieee80211_device*)
* container_of(work, struct ieee80211_device, watch_dog_wq);
*/
struct delayed_work *dwork = to_delayed_work(work);
struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,tx_pw_wq);
struct net_device *dev = ieee->dev;
/* printk("----> UpdateTxPowerWorkItemCallback()\n"); */
DoTxHighPower(dev);
/* printk("<---- UpdateTxPowerWorkItemCallback()\n"); */
}
/*
* Description:
* Return TRUE if we shall perform DIG Mecahnism, FALSE otherwise.
* Return TRUE if we shall perform DIG Mecahnism, FALSE otherwise.
*/
bool CheckDig(struct net_device *dev)
{
......@@ -149,14 +118,12 @@ bool CheckDig(struct net_device *dev)
if (ieee->state != IEEE80211_LINKED)
return false;
/* if(priv->CurrentOperaRate < 36) // Schedule Dig under all OFDM rates. By Bruce, 2007-06-01. */
if ((priv->ieee80211->rate / 5) < 36) /* Schedule Dig under all OFDM rates. By Bruce, 2007-06-01. */
return false;
return true;
}
/*
* Description:
* Implementation of DIG for Zebra and Zebra2.
* Implementation of DIG for Zebra and Zebra2.
*/
void DIG_Zebra(struct net_device *dev)
{
......@@ -167,16 +134,11 @@ void DIG_Zebra(struct net_device *dev)
int LowestGainStage = 4; /* The capable lowest stage of performing dig workitem. */
u32 AwakePeriodIn2Sec = 0;
/* printk("---------> DIG_Zebra()\n"); */
CCKFalseAlarm = (u16)(priv->FalseAlarmRegValue & 0x0000ffff);
OFDMFalseAlarm = (u16)((priv->FalseAlarmRegValue >> 16) & 0x0000ffff);
OfdmFA1 = 0x15;
OfdmFA2 = ((u16)(priv->RegDigOfdmFaUpTh)) << 8;
/* printk("DIG**********CCK False Alarm: %#X \n",CCKFalseAlarm); */
/* 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 */
......@@ -187,17 +149,13 @@ void DIG_Zebra(struct net_device *dev)
#if 1 /* lzm reserved 080826 */
AwakePeriodIn2Sec = (2000 - priv->DozePeriodInPast2Sec);
/* printk("&&& DozePeriod=%d AwakePeriod=%d\n", priv->DozePeriodInPast2Sec, AwakePeriodIn2Sec); */
priv ->DozePeriodInPast2Sec = 0;
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 {
;/* RT_TRACE(COMP_DIG, DBG_WARNING, ("ERROR!! AwakePeriodIn2Sec should not be ZERO!!\n")); */
;
}
#endif
......@@ -213,8 +171,6 @@ void DIG_Zebra(struct net_device *dev)
priv->InitialGainBackUp = priv->InitialGain;
priv->InitialGain = (priv->InitialGain + 1);
/* printk("DIG**********OFDM False Alarm: %#X, OfdmFA1: %#X, OfdmFA2: %#X\n", OFDMFalseAlarm, OfdmFA1, OfdmFA2); */
/* printk("DIG+++++++ fallback OFDM:%d \n", priv->InitialGain); */
UpdateInitialGain(dev);
}
priv->DIG_NumberFallbackVote = 0;
......@@ -235,22 +191,16 @@ void DIG_Zebra(struct net_device *dev)
priv->InitialGainBackUp = priv->InitialGain;
priv->InitialGain = (priv->InitialGain - 1);
/* printk("DIG**********OFDM False Alarm: %#X, OfdmFA1: %#X, OfdmFA2: %#X\n", OFDMFalseAlarm, OfdmFA1, OfdmFA2); */
/* printk("DIG--------- Upgrade OFDM:%d \n", priv->InitialGain); */
UpdateInitialGain(dev);
}
priv->DIG_NumberFallbackVote = 0;
priv->DIG_NumberUpgradeVote = 0;
}
}
/* printk("DIG+++++++ OFDM:%d\n", priv->InitialGain); */
/* printk("<--------- DIG_Zebra()\n"); */
}
/*
* Description:
* Dispatch DIG implementation according to RF.
* Dispatch DIG implementation according to RF.
*/
void DynamicInitGain(struct net_device *dev)
{
......@@ -302,10 +252,8 @@ int IncludedInSupportedRates(struct r8180_priv *priv, u8 TxRate)
}
/*
* Description:
* Get the Tx rate one degree up form the input rate in the supported rates.
* Return the upgrade rate if it is successed, otherwise return the input rate.
* By Bruce, 2007-06-05.
* Get the Tx rate one degree up form the input rate in the supported rates.
* Return the upgrade rate if it is successed, otherwise return the input rate.
*/
u8 GetUpgradeTxRate(struct net_device *dev, u8 rate)
{
......@@ -356,19 +304,15 @@ u8 GetUpgradeTxRate(struct net_device *dev, u8 rate)
}
/* Check if the rate is valid. */
if (IncludedInSupportedRates(priv, UpRate)) {
/* printk("GetUpgradeTxRate(): GetUpgrade Tx rate(%d) from %d !\n", UpRate, priv->CurrentOperaRate); */
return UpRate;
} else {
/* printk("GetUpgradeTxRate(): Tx rate (%d) is not in supported rates\n", UpRate); */
return rate;
}
return rate;
}
/*
* Description:
* Get the Tx rate one degree down form the input rate in the supported rates.
* Return the degrade rate if it is successed, otherwise return the input rate.
* By Bruce, 2007-06-05.
* Get the Tx rate one degree down form the input rate in the supported rates.
* Return the degrade rate if it is successed, otherwise return the input rate.
*/
u8 GetDegradeTxRate(struct net_device *dev, u8 rate)
......@@ -420,10 +364,8 @@ u8 GetDegradeTxRate(struct net_device *dev, u8 rate)
}
/* Check if the rate is valid. */
if (IncludedInSupportedRates(priv, DownRate)) {
/* printk("GetDegradeTxRate(): GetDegrade Tx rate(%d) from %d!\n", DownRate, priv->CurrentOperaRate); */
return DownRate;
} else {
/* printk("GetDegradeTxRate(): Tx rate (%d) is not in supported rates\n", DownRate); */
return rate;
}
return rate;
......@@ -431,7 +373,6 @@ u8 GetDegradeTxRate(struct net_device *dev, u8 rate)
/*
* Helper function to determine if specified data rate is
* CCK rate.
* 2005.01.25, by rcnjko.
*/
bool MgntIsCckRate(u16 rate)
......@@ -447,24 +388,18 @@ bool MgntIsCckRate(u16 rate)
/*
* Description:
* Tx Power tracking mechanism routine on 87SE.
* Created by Roger, 2007.12.11.
*/
void TxPwrTracking87SE(struct net_device *dev)
{
struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
u8 tmpu1Byte, CurrentThermal, Idx;
char CckTxPwrIdx, OfdmTxPwrIdx;
/* u32 u4bRfReg; */
tmpu1Byte = read_nic_byte(dev, EN_LPF_CAL);
CurrentThermal = (tmpu1Byte & 0xf0) >> 4; /*[ 7:4]: thermal meter indication. */
CurrentThermal = (CurrentThermal > 0x0c) ? 0x0c:CurrentThermal;/* lzm add 080826 */
/* printk("TxPwrTracking87SE(): CurrentThermal(%d)\n", CurrentThermal); */
if (CurrentThermal != priv->ThermalMeter) {
/* printk("TxPwrTracking87SE(): Thermal meter changed!!!\n"); */
/* Update Tx Power level on each channel. */
for (Idx = 1; Idx < 15; Idx++) {
CckTxPwrIdx = priv->chtxpwr[Idx];
......@@ -506,7 +441,6 @@ void StaRateAdaptive87SE(struct net_device *dev)
unsigned long CurrTxokCnt;
u16 CurrRetryCnt;
u16 CurrRetryRate;
/*u16 i,idx; */
unsigned long CurrRxokCnt;
bool bTryUp = false;
bool bTryDown = false;
......@@ -528,7 +462,6 @@ void StaRateAdaptive87SE(struct net_device *dev)
TxThroughput = (u32)(priv->NumTxOkBytesTotal - priv->LastTxOKBytes);
priv->LastTxOKBytes = priv->NumTxOkBytesTotal;
priv->CurrentOperaRate = priv->ieee80211->rate / 5;
/* printk("priv->CurrentOperaRate is %d\n",priv->CurrentOperaRate); */
/* 2 Compute retry ratio. */
if (CurrTxokCnt > 0) {
CurrRetryRate = (u16)(CurrRetryCnt * 100 / CurrTxokCnt);
......@@ -537,20 +470,6 @@ void StaRateAdaptive87SE(struct net_device *dev)
CurrRetryRate = (u16)(CurrRetryCnt * 100 / 1);
}
/*
* Added by Roger, 2007.01.02.
* For debug information.
*
* printk("\n(1) pHalData->LastRetryRate: %d \n",priv->LastRetryRate);
* printk("(2) RetryCnt = %d \n", CurrRetryCnt);
* printk("(3) TxokCnt = %d \n", CurrTxokCnt);
* printk("(4) CurrRetryRate = %d \n", CurrRetryRate);
* printk("(5) CurrSignalStrength = %d \n",CurrSignalStrength);
* printk("(6) TxThroughput is %d\n",TxThroughput);
* printk("priv->NumTxOkBytesTotal is %d\n",priv->NumTxOkBytesTotal);
*/
priv->LastRetryCnt = priv->CurrRetryCnt;
priv->LastTxokCnt = priv->NumTxOkTotal;
priv->LastRxokCnt = priv->ieee80211->NumRxOkTotal;
......@@ -563,7 +482,6 @@ void StaRateAdaptive87SE(struct net_device *dev)
*/
priv->TryupingCountNoData++;
/* 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) {
priv->TryupingCountNoData = 0;
......@@ -582,9 +500,6 @@ void StaRateAdaptive87SE(struct net_device *dev)
/*
* For Netgear case, I comment out the following signal strength estimation,
* which can results in lower rate to transmit when sample is NOT enough (e.g. PING request).
* 2007.04.09, by Roger.
*
*
*
* Restructure rate adaptive as the following main stages:
* (1) Add retry threshold in 54M upgrading condition with signal strength.
......@@ -594,7 +509,6 @@ void StaRateAdaptive87SE(struct net_device *dev)
* situation, Initial Gain Update is upon on DIG mechanism except CCK rate.
* (4) Add the mehanism of trying to upgrade tx rate.
* (5) Record the information of upping tx rate to avoid trying upping tx rate constantly.
* By Bruce, 2007-06-05.
*
*/
......@@ -623,9 +537,6 @@ void StaRateAdaptive87SE(struct net_device *dev)
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 {
priv->bTryuping = false;
}
......@@ -633,7 +544,6 @@ void StaRateAdaptive87SE(struct net_device *dev)
/*
* 2For High Power
*
* Added by Roger, 2007.04.09.
* Return to highest data rate, if signal strength is good enough.
* SignalStrength threshold(-50dbm) is for RTL8186.
* Revise SignalStrength threshold to -51dbm.
......@@ -644,7 +554,6 @@ void StaRateAdaptive87SE(struct net_device *dev)
/* 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) {
/*
......@@ -655,152 +564,106 @@ void StaRateAdaptive87SE(struct net_device *dev)
bTryDown = true;
/* 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) {
/* 2For 54Mbps */
/* Air Link */
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)) */
/*Down to rate 48Mbps. */
bTryDown = true;
}
if (bTryDown && (CurrSignalStrength < -75)) /* cable link */
priv->TryDownCountLowData += TryDownTh;
/*printk("case4---54M \n"); */
}
else if (priv->CurrentOperaRate == 96) {
/* 2For 48Mbps */
/* Air Link */
if (((CurrRetryRate > 48) && (priv->LastRetryRate > 47))) {
/* if ( ((CurrRetryRate>65) && (priv->LastRetryRate>64))) */
/* Down to rate 36Mbps. */
bTryDown = true;
} 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 + 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<28) && (priv->LastRetryRate<8) ) */
bTryUp = true;
}
if (bTryDown && (CurrSignalStrength < -75)){
priv->TryDownCountLowData += TryDownTh;
}
/* printk("case5---48M \n"); */
} else if (priv->CurrentOperaRate == 72) {
/* 2For 36Mbps */
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 + 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<35) && (priv->LastRetryRate<36)) */
bTryUp = true;
}
if (bTryDown && (CurrSignalStrength < -80))
priv->TryDownCountLowData += TryDownTh;
/* printk("case6---36M \n"); */
} else if (priv->CurrentOperaRate == 48) {
/* 2For 24Mbps */
/* Air Link */
if (((CurrRetryRate > 63) && (priv->LastRetryRate > 62))) {
/* if ( ((CurrRetryRate>83) && (priv->LastRetryRate>82))) */
/* Down to rate 18Mbps. */
bTryDown = true;
} 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 + 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<40) && (priv->LastRetryRate<41)) */
bTryUp = true;
}
if (bTryDown && (CurrSignalStrength < -82))
priv->TryDownCountLowData += TryDownTh;
/* printk("case7---24M \n"); */
} 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>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)) {
/* 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<42) && (priv->LastRetryRate<43)) */
bTryUp = true;
}
/* printk("case8---18M \n"); */
} else if (priv->CurrentOperaRate == 22) {
/* 2For 11Mbps */
if (CurrRetryRate > 95) {
/* if (CurrRetryRate>155) */
bTryDown = true;
}
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) {
/* 2For 5.5Mbps */
if (CurrRetryRate > 149) {
/* if (CurrRetryRate>189) */
bTryDown = true;
} 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) {
/* 2For 2 Mbps */
if ((CurrRetryRate > 99) && (priv->LastRetryRate > 99)) {
/* if((CurrRetryRate>199) && (priv->LastRetryRate>199)) */
bTryDown = true;
} 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) {
/* 2For 1 Mbps */
if ((CurrRetryRate < 70) && (priv->LastRetryRate < 75)) {
/* if( (CurrRetryRate<90) && (priv->LastRetryRate<95)) */
bTryUp = true;
}
/* printk("case12---1M \n"); */
}
if (bTryUp && bTryDown)
......@@ -815,7 +678,6 @@ void StaRateAdaptive87SE(struct net_device *dev)
if (jiffies % (CurrRetryRate + 101) == 0) {
bTryUp = true;
priv->bTryuping = true;
/* printk("StaRateAdaptive87SE(): Randomly try upgrading...\n"); */
}
}
......@@ -824,11 +686,6 @@ void StaRateAdaptive87SE(struct net_device *dev)
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);} */
/*
* Check more times if we need to upgrade indeed.
* Because the largest value of pHalData->TryupingCount is 0xFFFF and
......@@ -857,17 +714,13 @@ void StaRateAdaptive87SE(struct net_device *dev)
/* (2)If the signal strength is increased, it may be able to upgrade. */
priv->CurrentOperaRate = GetUpgradeTxRate(dev, priv->CurrentOperaRate);
/* 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) {
priv->bUpdateARFR = true;
write_nic_word(dev, ARFR, 0x0F8F); /* bypass 12/9/6 */
/* printk("UP: ARFR=0xF8F\n"); */
} 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. */
......@@ -886,11 +739,6 @@ void StaRateAdaptive87SE(struct net_device *dev)
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) {
priv->TryDownCountLowData = 0;
......@@ -909,21 +757,16 @@ void StaRateAdaptive87SE(struct net_device *dev)
priv->CurrentOperaRate = GetDegradeTxRate(dev, priv->CurrentOperaRate);
/* 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 )) {
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) {
priv->bUpdateARFR = true;
write_nic_word(dev, ARFR, 0x0F8F); /* bypass 12/9/6 */
/* printk("DN: ARFR=0xF8F\n"); */
} else if (priv->bUpdateARFR) {
priv->bUpdateARFR = false;
write_nic_word(dev, ARFR, 0x0FFF); /* set 1M ~ 54Mbps. */
/* printk("DN: ARFR=0xFFF\n"); */
}
/*
......@@ -932,7 +775,6 @@ void StaRateAdaptive87SE(struct net_device *dev)
if (MgntIsCckRate(priv->CurrentOperaRate)) {
bUpdateInitialGain = true;
}
/* printk("StaRateAdaptive87SE(): Degrade Tx Rate to %d\n", priv->CurrentOperaRate); */
}
} else {
if (priv->TryDownCountLowData > 0)
......@@ -952,7 +794,7 @@ void StaRateAdaptive87SE(struct net_device *dev)
OfdmTxPwrIdx = priv->chtxpwr_ofdm[priv->ieee80211->current_network.channel];
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 */
/* Mac0x9e increase 2 level in 36M~18M situation */
if ((priv->CurrentOperaRate < 96) && (priv->CurrentOperaRate > 22)) {
u1bCck = read_nic_byte(dev, CCK_TXAGC);
u1bOfdm = read_nic_byte(dev, OFDM_TXAGC);
......@@ -963,7 +805,6 @@ void StaRateAdaptive87SE(struct net_device *dev)
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 */
......@@ -971,7 +812,6 @@ void StaRateAdaptive87SE(struct net_device *dev)
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 */
......@@ -982,15 +822,12 @@ void StaRateAdaptive87SE(struct net_device *dev)
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) {
priv->bEnhanceTxPwr = false;
u1bOfdm = ((u1bOfdm - 2) > 0) ? (u1bOfdm - 2): 0;
write_nic_byte(dev, OFDM_TXAGC, u1bOfdm);
/* RT_TRACE(COMP_RATE, DBG_TRACE, ("Recover OFDM_TXAGC(2): ===== u1bOfdm= 0x%x\n", u1bOfdm)); */
}
}
......@@ -1039,37 +876,27 @@ void rtl8180_rate_adapter(struct work_struct *work)
struct delayed_work *dwork = to_delayed_work(work);
struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, rate_adapter_wq);
struct net_device *dev = ieee->dev;
/* struct r8180_priv *priv = ieee80211_priv(dev); */
/* DMESG("---->rtl8180_rate_adapter"); */
StaRateAdaptive87SE(dev);
/* DMESG("<----rtl8180_rate_adapter"); */
}
void timer_rate_adaptive(unsigned long data)
{
struct r8180_priv *priv = ieee80211_priv((struct net_device *)data);
/* DMESG("---->timer_rate_adaptive()\n"); */
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)) {
/* 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->rateadapter_timer.expires = jiffies + MSECS(priv->RateAdaptivePeriod);
add_timer(&priv->rateadapter_timer);
/* DMESG("<----timer_rate_adaptive()\n"); */
}
/* by amy 080312} */
void SwAntennaDiversityRxOk8185(struct net_device *dev, u8 SignalStrength)
{
struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
/* printk("+SwAntennaDiversityRxOk8185: RxSs: %d\n", SignalStrength); */
priv->AdRxOkCnt++;
if (priv->AdRxSignalStrength != -1) {
......@@ -1077,25 +904,18 @@ void SwAntennaDiversityRxOk8185(struct net_device *dev, u8 SignalStrength)
} else { /* Initialization case. */
priv->AdRxSignalStrength = SignalStrength;
}
/* {+by amy 080312 */
if (priv->LastRxPktAntenna) /* Main antenna. */
priv->AdMainAntennaRxOkCnt++;
else /* Aux antenna. */
priv->AdAuxAntennaRxOkCnt++;
/* +by amy 080312 */
/* printk("-SwAntennaDiversityRxOk8185: AdRxOkCnt: %d AdRxSignalStrength: %d\n", priv->AdRxOkCnt, priv->AdRxSignalStrength); */
}
/*
* Description:
* Change Antenna Switch.
*/
/* Change Antenna Switch. */
bool SetAntenna8185(struct net_device *dev, u8 u1bAntennaIndex)
{
struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
bool bAntennaSwitched = false;
/* printk("+SetAntenna8185(): Antenna is switching to: %d \n", u1bAntennaIndex); */
switch (u1bAntennaIndex) {
case 0:
/* Mac register, main antenna */
......@@ -1126,14 +946,9 @@ bool SetAntenna8185(struct net_device *dev, u8 u1bAntennaIndex)
if(bAntennaSwitched)
priv->CurrAntennaIndex = u1bAntennaIndex;
/* printk("-SetAntenna8185(): return (%#X)\n", bAntennaSwitched); */
return bAntennaSwitched;
}
/*
* Description:
* Toggle Antenna switch.
*/
/* Toggle Antenna switch. */
bool SwitchAntenna(struct net_device *dev)
{
struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
......@@ -1142,37 +957,21 @@ bool SwitchAntenna(struct net_device *dev)
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 {
bResult = SetAntenna8185(dev, 0);
/*
* by amy 080312
* printk("SwitchAntenna(): switching to antenna 0 ......\n");
* bResult = SetAntenna8185(dev, 0);//-by amy 080312
*/
}
return bResult;
}
/*
* Description:
* Engine of SW Antenna Diversity mechanism.
* Since 8187 has no Tx part information,
* this implementation is only dependend on Rx part information.
*
* 2006.04.17, by rcnjko.
* Engine of SW Antenna Diversity mechanism.
* Since 8187 has no Tx part information,
* this implementation is only dependend on Rx part information.
*/
void SwAntennaDiversity(struct net_device *dev)
{
struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
bool bSwCheckSS = false;
/* printk("+SwAntennaDiversity(): CurrAntennaIndex: %d\n", priv->CurrAntennaIndex); */
/* printk("AdTickCount is %d\n",priv->AdTickCount); */
/* by amy 080312 */
if (bSwCheckSS) {
priv->AdTickCount++;
......@@ -1181,27 +980,20 @@ void SwAntennaDiversity(struct net_device *dev)
printk("(2) AdRxSignalStrength: %ld, AdRxSsThreshold: %ld\n",
priv->AdRxSignalStrength, priv->AdRxSsThreshold);
}
/* priv->AdTickCount++;//-by amy 080312 */
/* Case 1. No Link. */
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 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) {
/* printk("SwAntennaDiversity(): Case 3. Evaluate last antenna switch action.\n"); */
priv->bAdSwitchedChecking = false;
/* Adjust Rx signal strength threshold. */
......@@ -1211,12 +1003,8 @@ void SwAntennaDiversity(struct net_device *dev)
priv->AdMaxRxSsThreshold: priv->AdRxSsThreshold;
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 */
/* Increase Antenna Diversity checking period due to bad decision. */
priv->AdCheckPeriod *= 2;
/* by amy 080312 */
/* Increase Antenna Diversity checking period. */
if (priv->AdCheckPeriod > priv->AdMaxCheckPeriod)
priv->AdCheckPeriod = priv->AdMaxCheckPeriod;
......@@ -1225,21 +1013,15 @@ void SwAntennaDiversity(struct net_device *dev)
SwitchAntenna(dev);
} else {
/* Rx Signal Strength is improved. */
/* printk("SwAntennaDiversity(): Rx Signal Strength is improved, CurrRxSs: %d, LastRxSs: %d\n", */
/* priv->AdRxSignalStrength, priv->AdRxSsBeforeSwitched); */
/* Reset Antenna Diversity checking period to its min value. */
priv->AdCheckPeriod = priv->AdMinCheckPeriod;
}
/* printk("SwAntennaDiversity(): AdRxSsThreshold: %d, AdCheckPeriod: %d\n", */
/* priv->AdRxSsThreshold, priv->AdCheckPeriod); */
}
/* 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 */
/* printk("SwAntennaDiversity(): Case 4. Evaluate if we shall switch antenna now.\n"); */
else {
priv->AdTickCount = 0;
/*
......@@ -1252,16 +1034,11 @@ void SwAntennaDiversity(struct net_device *dev)
/*
* Evaluate RxOk count from each antenna if we shall switch default antenna now.
* 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. */
/* 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;
......@@ -1269,18 +1046,12 @@ void SwAntennaDiversity(struct net_device *dev)
&& (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. */
/* printk("SwAntennaDiversity(): Default antenna is better., AdMainAntennaRxOkCnt: %d, AdAuxAntennaRxOkCnt: %d\n", */
/* priv->AdMainAntennaRxOkCnt, priv->AdAuxAntennaRxOkCnt); */
/* Still need to check current signal strength. */
priv->bHWAdSwitched = false;
}
......@@ -1296,22 +1067,15 @@ void SwAntennaDiversity(struct net_device *dev)
* to receive more CCK packets(ex.Beacon) which have stronger SignalStrength.
*/
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. */
/* printk("SwAntennaDiversity(): Rx Signal Strength is weak, CurrRxSs: %d, RxSsThreshold: %d\n", */
/* priv->AdRxSignalStrength, priv->AdRxSsThreshold); */
priv->AdRxSsBeforeSwitched = priv->AdRxSignalStrength;
priv->bAdSwitchedChecking = true;
SwitchAntenna(dev);
} 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 */
......@@ -1328,22 +1092,13 @@ void SwAntennaDiversity(struct net_device *dev)
}
}
}
/* by amy 080312 */
/* Reset antenna diversity Rx related statistics. */
priv->AdRxOkCnt = 0;
priv->AdMainAntennaRxOkCnt = 0;
priv->AdAuxAntennaRxOkCnt = 0;
/* by amy 080312 */
/* priv->AdRxOkCnt = 0;//-by amy 080312 */
/* printk("-SwAntennaDiversity()\n"); */
}
/*
* Description:
* Return TRUE if we shall perform Tx Power Tracking Mecahnism, FALSE otherwise.
*/
/* Return TRUE if we shall perform Tx Power Tracking Mecahnism, FALSE otherwise. */
bool CheckTxPwrTracking(struct net_device *dev)
{
struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
......@@ -1351,14 +1106,6 @@ bool CheckTxPwrTracking(struct net_device *dev)
if (!priv->bTxPowerTrack)
return false;
/* lzm reserved 080826 */
/*
* if(priv->bScanInProgress)
* {
* return false;
* }
*/
/* 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;
......@@ -1367,29 +1114,19 @@ bool CheckTxPwrTracking(struct net_device *dev)
}
/*
* Description:
* Timer callback function of SW Antenna Diversity.
*/
/* Timer callback function of SW Antenna Diversity. */
void SwAntennaDiversityTimerCallback(struct net_device *dev)
{
struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
RT_RF_POWER_STATE rtState;
/* printk("+SwAntennaDiversityTimerCallback()\n"); */
/*
* We do NOT need to switch antenna while RF is off.
* 2007.05.09, added by Roger.
*/
/* We do NOT need to switch antenna while RF is off. */
rtState = priv->eRFPowerState;
do {
if (rtState == eRfOff) {
/* printk("SwAntennaDiversityTimer - RF is OFF.\n"); */
break;
} 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);
......@@ -1400,7 +1137,5 @@ void SwAntennaDiversityTimerCallback(struct net_device *dev)
priv->SwAntennaDiversityTimer.expires = jiffies + MSECS(ANTENNA_DIVERSITY_TIMER_PERIOD);
add_timer(&priv->SwAntennaDiversityTimer);
}
/* printk("-SwAntennaDiversityTimerCallback()\n"); */
}
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