2010-08-20 21:00:28

by Tracey Dent

Subject: [PATCH 3/8] Staging: rtl8187se: r8180_dm: fixed alot checkpatch.pl issues

>From 61e13d036fa8d0bf37f230ba14cb40b53f73f337 Mon Sep 17 00:00:00 2001
From: Tracey Dent <[email protected]>
Date: Fri, 20 Aug 2010 00:35:48 -0400
Subject: [PATCH 3/8] Staging: rtl8187se: r8180_dm: fixed alot
checkpatch.pl issues

Fixed numerous codinf style issues using checkpatch.pl

Signed-off-by: Tracey Dent <[email protected]>
---
drivers/staging/rtl8187se/r8180_dm.c | 1911 ++++++++++++++++------------------
1 files changed, 885 insertions(+), 1026 deletions(-)

diff --git a/drivers/staging/rtl8187se/r8180_dm.c
b/drivers/staging/rtl8187se/r8180_dm.c
index fc49078..f980d8f 100644
--- a/drivers/staging/rtl8187se/r8180_dm.c
+++ b/drivers/staging/rtl8187se/r8180_dm.c
@@ -1,14 +1,14 @@
-//#include "r8180.h"
+/* #include "r8180.h" */
#include "r8180_dm.h"
#include "r8180_hw.h"
#include "r8180_93cx6.h"
-//{by amy 080312
+/* {by amy 080312 */

-//
-// Description:
-// Return TRUE if we shall perform High Power Mecahnism, FALSE otherwise.
-//
-//+by amy 080312
+/*
+ Description:
+ Return TRUE if we shall perform High Power Mecahnism, FALSE otherwise.
+ +by amy 080312
+*/
#define RATE_ADAPTIVE_TIMER_PERIOD 300

bool CheckHighPower(struct net_device *dev)
@@ -16,30 +16,28 @@ bool CheckHighPower(struct net_device *dev)
struct r8180_priv *priv = ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;

- if(!priv->bRegHighPowerMechanism)
- {
+ if (!priv->bRegHighPowerMechanism)
return false;
- }

- if(ieee->state == IEEE80211_LINKED_SCANNING)
- {
+
+ if (ieee->state == IEEE80211_LINKED_SCANNING)
return false;
- }
+

return true;
}

-//
-// Description:
-// Update Tx power level if necessary.
-// See also DoRxHighPower() and SetTxPowerLevel8185() for reference.
-//
-// Note:
-// The reason why we udpate Tx power level here instead of DoRxHighPower()
-// is the number of IO to change Tx power is much more than channel TR switch
-// and they are related to OFDM and MAC registers.
-// So, we don't want to update it so frequently in per-Rx packet base.
-//
+/*
+ Description:
+ Update Tx power level if necessary.
+ See also DoRxHighPower() and SetTxPowerLevel8185() for reference.
+
+ Note:
+ The reason why we udpate Tx power level here instead of DoRxHighPower()
+ is the number of IO to change Tx power is much more than channel TR switch
+ and they are related to OFDM and MAC registers.
+ So, we don't want to update it so frequently in per-Rx packet base.
+*/
void
DoTxHighPower(
struct net_device *dev
@@ -53,7 +51,7 @@ DoTxHighPower(
u8 u1bTmp;
char OfdmTxPwrIdx, CckTxPwrIdx;

- //printk("----> DoTxHighPower()\n");
+ /* printk("----> DoTxHighPower()\n"); */

HiPwrUpperTh = priv->RegHiPwrUpperTh;
HiPwrLowerTh = priv->RegHiPwrLowerTh;
@@ -63,90 +61,86 @@ DoTxHighPower(
RSSIHiPwrUpperTh = priv->RegRSSIHiPwrUpperTh;
RSSIHiPwrLowerTh = priv->RegRSSIHiPwrLowerTh;

- //lzm add 080826
+ /* lzm add 080826 */
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 );
+ /* 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
+ if ((priv->UndecoratedSmoothedSS > HiPwrUpperTh) ||
+ (priv->bCurCCKPkt && (priv->CurCCKRSSI > RSSIHiPwrUpperTh))) {

- // printk("=====>DoTxHighPower() - High Power -
UndecoratedSmoothedSS:%d, HiPwrUpperTh = %d \n",
priv->UndecoratedSmoothedSS, HiPwrUpperTh );
+ /* 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);
+ u1bTmp = read_nic_byte(dev, CCK_TXAGC);

- // If it never enter High Power.
- if( CckTxPwrIdx == u1bTmp)
- {
- u1bTmp = (u1bTmp > 16) ? (u1bTmp -16): 0; // 8dbm
+ /* If it never enter High Power. */
+ if (CckTxPwrIdx == u1bTmp) {
+ u1bTmp = (u1bTmp > 16) ? (u1bTmp - 16) : 0; /* 8dbm */
write_nic_byte(dev, CCK_TXAGC, u1bTmp);

- u1bTmp= read_nic_byte(dev, OFDM_TXAGC);
- u1bTmp = (u1bTmp > 16) ? (u1bTmp -16): 0; // 8dbm
+ u1bTmp = read_nic_byte(dev, OFDM_TXAGC);
+ u1bTmp = (u1bTmp > 16) ? (u1bTmp - 16) : 0; /* 8dbm */
write_nic_byte(dev, OFDM_TXAGC, u1bTmp);
}

- }
- 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)
- {
+ } 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);
+ /* 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);
+ 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");
+ /* printk("<---- DoTxHighPower()\n"); */
}


-//
-// Description:
-// Callback function of UpdateTxPowerWorkItem.
-// Because of some event happend, e.g. CCX TPC, High Power Mechanism,
-// We update Tx power of current channel again.
-//
-void rtl8180_tx_pw_wq (struct work_struct *work)
+/*
+ Description:
+ Callback function of UpdateTxPowerWorkItem.
+ Because of some event happend, e.g. CCX TPC, High Power Mechanism,
+ We update Tx power of current channel again.
+*/
+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 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;
+ struct ieee80211_device *ieee = container_of(dwork, struct
ieee80211_device, tx_pw_wq);
+ struct net_device *dev = ieee->dev;

-// printk("----> UpdateTxPowerWorkItemCallback()\n");
+/* printk("----> UpdateTxPowerWorkItemCallback()\n"); */

DoTxHighPower(dev);

-// printk("<---- UpdateTxPowerWorkItemCallback()\n");
+/* printk("<---- UpdateTxPowerWorkItemCallback()\n"); */
}


-//
-// Description:
-// Return TRUE if we shall perform DIG Mecahnism, FALSE otherwise.
-//
+/*
+ Description:
+ Return TRUE if we shall perform DIG Mecahnism, FALSE otherwise.
+*/
bool
CheckDig(
struct net_device *dev
@@ -155,21 +149,21 @@ CheckDig(
struct r8180_priv *priv = ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;

- if(!priv->bDigMechanism)
+ if (!priv->bDigMechanism)
return false;

- if(ieee->state != IEEE80211_LINKED)
+ 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.
+ /* if(priv->CurrentOperaRate < 36)n */ /* 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.
-//
+/*
+ Description:
+ Implementation of DIG for Zebra and Zebra2.
+*/
void
DIG_Zebra(
struct net_device *dev
@@ -178,332 +172,316 @@ DIG_Zebra(
struct r8180_priv *priv = ieee80211_priv(dev);
u16 CCKFalseAlarm, OFDMFalseAlarm;
u16 OfdmFA1, OfdmFA2;
- int InitialGainStep = 7; // The number of initial gain stages.
- int LowestGainStage = 4; // The capable lowest stage of performing
dig workitem.
- u32 AwakePeriodIn2Sec=0;
+ int InitialGainStep = 7; /* The number of initial gain stages. */
+ int LowestGainStage = 4; /* The capable lowest stage of performing
dig workitem. */
+ u32 AwakePeriodIn2Sec = 0;

- //printk("---------> DIG_Zebra()\n");
+ /* 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);
+ /* 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
- priv->InitialGain = 4; // In 87B, m74dBm means State 4 (m82dBm)
+ /* The number of initial gain steps is different, by Bruce, 2007-04-13. */
+ if (priv->InitialGain == 0) /* autoDIG */ {
+ /* Advised from SD3 DZ */
+ priv->InitialGain = 4; /* In 87B, m74dBm means State 4 (m82dBm) */
}
- { // Advised from SD3 DZ
+ { /* 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 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.
+ 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"));
+ /* 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

InitialGainStep = 8;
- LowestGainStage = priv->RegBModeGainStage; // Lowest gain stage.
+ 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)
- {
- //serious OFDM False Alarm, need fallback
- if (priv->InitialGain < InitialGainStep)
- {
- priv->InitialGainBackUp= priv->InitialGain;
+ if (priv->DIG_NumberFallbackVote > 1) {
+ /* serious OFDM False Alarm, need fallback */
+ if (priv->InitialGain < InitialGainStep) {
+ 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);
+/* 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;
- priv->DIG_NumberUpgradeVote=0;
+ priv->DIG_NumberUpgradeVote = 0 ;
}
- }
- else
- {
+ } else {
if (priv->DIG_NumberFallbackVote)
priv->DIG_NumberFallbackVote--;
}
- priv->DIG_NumberUpgradeVote=0;
- }
- else
- {
+ priv->DIG_NumberUpgradeVote = 0;
+ } 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)
- {
- priv->InitialGainBackUp= priv->InitialGain;
+ 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);
-// printk("DIG**********OFDM False Alarm: %#X, OfdmFA1: %#X,
OfdmFA2: %#X\n", OFDMFalseAlarm, OfdmFA1, OfdmFA2);
-// printk("DIG--------- Upgrade OFDM:%d \n", priv->InitialGain);
+/* 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;
+ priv->DIG_NumberUpgradeVote = 0;
}
}

-// printk("DIG+++++++ OFDM:%d\n", priv->InitialGain);
- //printk("<--------- DIG_Zebra()\n");
+/* printk("DIG+++++++ OFDM:%d\n", priv->InitialGain); */
+ /* printk("<--------- DIG_Zebra()\n"); */
}

-//
-// Description:
-// Dispatch DIG implementation according to RF.
-//
+/*
+ Description:
+ Dispatch DIG implementation according to RF.
+*/
void
DynamicInitGain(struct net_device *dev)
{
DIG_Zebra(dev);
}

-void rtl8180_hw_dig_wq (struct work_struct *work)
+void rtl8180_hw_dig_wq(struct work_struct *work)
{
struct delayed_work *dwork = to_delayed_work(work);
- struct ieee80211_device *ieee = container_of(dwork,struct
ieee80211_device,hw_dig_wq);
- struct net_device *dev = ieee->dev;
+ struct ieee80211_device *ieee = container_of(dwork, struct
ieee80211_device, hw_dig_wq);
+ struct net_device *dev = ieee->dev;
struct r8180_priv *priv = ieee80211_priv(dev);

- // Read CCK and OFDM False Alarm.
+ /* Read CCK and OFDM False Alarm. */
priv->FalseAlarmRegValue = read_nic_dword(dev, CCK_FALSE_ALARM);


- // Adjust Initial Gain dynamically.
+ /* Adjust Initial Gain dynamically. */
DynamicInitGain(dev);

}

int
IncludedInSupportedRates(
- struct r8180_priv *priv,
- u8 TxRate )
+ struct r8180_priv *priv,
+ u8 TxRate)
{
- u8 rate_len;
- u8 rate_ex_len;
- u8 RateMask = 0x7F;
- u8 idx;
- unsigned short Found = 0;
- u8 NaiveTxRate = TxRate&RateMask;
-
- 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 )
- {
- Found = 1;
- goto found_rate;
- }
- }
- for( idx=0; idx< rate_ex_len; idx++ )
- {
- if( (priv->ieee80211->current_network.rates_ex[idx] &
RateMask) == NaiveTxRate )
- {
- Found = 1;
- goto found_rate;
- }
- }
- return Found;
- found_rate:
- return Found;
+ u8 rate_len;
+ u8 rate_ex_len;
+ u8 RateMask = 0x7F;
+ u8 idx;
+ unsigned short Found = 0;
+ u8 NaiveTxRate = TxRate&RateMask;
+
+ 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) {
+ Found = 1;
+ goto found_rate;
+ }
+ }
+ for (dx = 0; idx < rate_ex_len; idx++) {
+ if ((priv->ieee80211->current_network.rates_ex[idx] & RateMask)
== NaiveTxRate) {
+ Found = 1;
+ goto found_rate;
+ }
+ }
+ return Found;
+found_rate:
+ return Found;
}

-//
-// 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.
-//
+/*
+ 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.
+*/
u8
GetUpgradeTxRate(
- struct net_device *dev,
- u8 rate
- )
+ struct net_device *dev,
+ u8 rate
+ )
{
- struct r8180_priv *priv = ieee80211_priv(dev);
- u8 UpRate;
-
- // Upgrade 1 degree.
- switch(rate)
- {
- case 108: // Up to 54Mbps.
- UpRate = 108;
- break;
-
- case 96: // Up to 54Mbps.
- UpRate = 108;
- break;
-
- case 72: // Up to 48Mbps.
- UpRate = 96;
- break;
-
- case 48: // Up to 36Mbps.
- UpRate = 72;
- break;
-
- case 36: // Up to 24Mbps.
- UpRate = 48;
- break;
-
- case 22: // Up to 18Mbps.
- UpRate = 36;
- break;
-
- case 11: // Up to 11Mbps.
- UpRate = 22;
- break;
-
- case 4: // Up to 5.5Mbps.
- UpRate = 11;
- break;
-
- case 2: // Up to 2Mbps.
- UpRate = 4;
- break;
-
- default:
- printk("GetUpgradeTxRate(): Input Tx Rate(%d) is
undefined!\n", rate);
- return 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;
+ struct r8180_priv *priv = ieee80211_priv(dev);
+ u8 UpRate;
+
+ /* Upgrade 1 degree. */
+ switch (rate) {
+
+ case 108: /* Up to 54Mbps. */
+ UpRate = 108;
+ break;
+
+ case 96: /* Up to 54Mbps. */
+ UpRate = 108;
+ break;
+
+ case 72: /* Up to 48Mbps. */
+ UpRate = 96;
+ break;
+
+ case 48: /* Up to 36Mbps. */
+ UpRate = 72;
+ break;
+
+ case 36: /* Up to 24Mbps. */
+ UpRate = 48;
+ break;
+
+ case 22: /* Up to 18Mbps. */
+ UpRate = 36;
+ break;
+
+ case 11: /* Up to 11Mbps. */
+ UpRate = 22;
+ break;
+
+ case 4: /* Up to 5.5Mbps. */
+ UpRate = 11;
+ break;
+
+ case 2: /* Up to 2Mbps. */
+ UpRate = 4;
+ break;
+
+ default:
+ printk("GetUpgradeTxRate(): Input Tx Rate(%d) is undefined!\n", rate);
+ return 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.
-//
+/*
+ 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.
+*/
u8
GetDegradeTxRate(
- struct net_device *dev,
- u8 rate
- )
+ struct net_device *dev,
+ u8 rate
+ )
{
- struct r8180_priv *priv = ieee80211_priv(dev);
- u8 DownRate;
-
- // Upgrade 1 degree.
- switch(rate)
- {
- case 108: // Down to 48Mbps.
- DownRate = 96;
- break;
-
- case 96: // Down to 36Mbps.
- DownRate = 72;
- break;
-
- case 72: // Down to 24Mbps.
- DownRate = 48;
- break;
-
- case 48: // Down to 18Mbps.
- DownRate = 36;
- break;
-
- case 36: // Down to 11Mbps.
- DownRate = 22;
- break;
-
- case 22: // Down to 5.5Mbps.
- DownRate = 11;
- break;
-
- case 11: // Down to 2Mbps.
- DownRate = 4;
- break;
-
- case 4: // Down to 1Mbps.
- DownRate = 2;
- break;
-
- case 2: // Down to 1Mbps.
- DownRate = 2;
- break;
-
- default:
- printk("GetDegradeTxRate(): Input Tx Rate(%d) is
undefined!\n", rate);
- return 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;
+ struct r8180_priv *priv = ieee80211_priv(dev);
+ u8 DownRate;
+
+ /* Upgrade 1 degree. */
+ switch (rate) {
+
+ case 108:
+ /* Down to 48Mbps. */
+ DownRate = 96;
+ break;
+
+ case 96:
+ /* Down to 36Mbps. */
+ DownRate = 72;
+ break;
+
+ case 72:
+ /* Down to 24Mbps. */
+ DownRate = 48;
+ break;
+
+ case 48:
+ /* Down to 18Mbps. */
+ DownRate = 36;
+ break;
+
+ case 36:
+ /* Down to 11Mbps. */
+ DownRate = 22;
+ break;
+
+ case 22:
+ /* Down to 5.5Mbps.*/
+ DownRate = 11;
+ break;
+
+ case 11:
+ /* Down to 2Mbps. */
+ DownRate = 4;
+ break;
+
+ case 4:
+ /* Down to 1Mbps. */
+ DownRate = 2;
+ break;
+
+ case 2:
+ /* Down to 1Mbps. */
+ DownRate = 2;
+ break;
+
+ default:
+ printk("GetDegradeTxRate(): Input Tx Rate(%d) is undefined!\n", rate);
+ return 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;
}
-//
-// Helper function to determine if specified data rate is
-// CCK rate.
-// 2005.01.25, by rcnjko.
-//
+/*
+ Helper function to determine if specified data rate is
+ CCK rate.
+ 2005.01.25, by rcnjko.
+*/
bool
MgntIsCckRate(
- u16 rate
- )
+ u16 rate
+ )
{
- bool bReturn = false;
+ bool bReturn = false;

- if((rate <= 22) && (rate != 12) && (rate != 18))
- {
- bReturn = true;
- }
+ if ((rate <= 22) && (rate != 12) && (rate != 18))
+ bReturn = true;

- return bReturn;
+ return bReturn;
}
-//
-// Description:
-// Tx Power tracking mechanism routine on 87SE.
-// Created by Roger, 2007.12.11.
-//
+/*
+ Description:
+ Tx Power tracking mechanism routine on 87SE.
+ Created by Roger, 2007.12.11.
+*/
void
TxPwrTracking87SE(
struct net_device *dev
@@ -512,51 +490,47 @@ TxPwrTracking87SE(
struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
u8 tmpu1Byte, CurrentThermal, Idx;
char CckTxPwrIdx, OfdmTxPwrIdx;
- //u32 u4bRfReg;
+ /* 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
+ CurrentThermal = (tmpu1Byte & 0xf0)>>4; /* [ 7:4]: thermal meter
indication. */
+ CurrentThermal = (CurrentThermal > 0x0c) ? 0x0c : CurrentThermal; /*
lzm add 080826 */

- //printk("TxPwrTracking87SE(): CurrentThermal(%d)\n", CurrentThermal);
+ /* printk("TxPwrTracking87SE(): CurrentThermal(%d)\n", CurrentThermal); */

- if( CurrentThermal != priv->ThermalMeter)
- {
-// printk("TxPwrTracking87SE(): Thermal meter changed!!!\n");
+ if (CurrentThermal != priv->ThermalMeter) {
+ /* printk("TxPwrTracking87SE(): Thermal meter changed!!!\n"); */

- // Update Tx Power level on each channel.
- for(Idx = 1; Idx<15; Idx++)
- {
+ /* Update Tx Power level on each channel. */
+ 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;

- if(CckTxPwrIdx >35)
- CckTxPwrIdx = 35; // Force TxPower to maximal index.
- if(OfdmTxPwrIdx >35)
+ if (CckTxPwrIdx > 35)
+ 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;

- if(CckTxPwrIdx <0)
+ if (CckTxPwrIdx < 0)
CckTxPwrIdx = 0;
- if(OfdmTxPwrIdx <0)
+ if (OfdmTxPwrIdx < 0)
OfdmTxPwrIdx = 0;
}

- // Update TxPower level on CCK and OFDM resp.
+ /* Update TxPower level on CCK and OFDM resp. */
priv->chtxpwr[Idx] = CckTxPwrIdx;
priv->chtxpwr_ofdm[Idx] = OfdmTxPwrIdx;
}

- // Update TxPower level immediately.
+ /* Update TxPower level immediately. */
rtl8225z2_SetTXPowerLevel(dev, priv->ieee80211->current_network.channel);
}
priv->ThermalMeter = CurrentThermal;
@@ -567,11 +541,11 @@ StaRateAdaptive87SE(
)
{
struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
- unsigned long CurrTxokCnt;
+ unsigned long CurrTxokCnt;
u16 CurrRetryCnt;
u16 CurrRetryRate;
- //u16 i,idx;
- unsigned long CurrRxokCnt;
+ /* u16 i,idx; */
+ unsigned long CurrRxokCnt;
bool bTryUp = false;
bool bTryDown = false;
u8 TryUpTh = 1;
@@ -579,10 +553,10 @@ StaRateAdaptive87SE(
u32 TxThroughput;
long CurrSignalStrength;
bool bUpdateInitialGain = false;
- u8 u1bOfdm=0, u1bCck = 0;
+ u8 u1bOfdm = 0, u1bCck = 0;
char OfdmTxPwrIdx, CckTxPwrIdx;

- priv->RateAdaptivePeriod= RATE_ADAPTIVE_TIMER_PERIOD;
+ priv->RateAdaptivePeriod = RATE_ADAPTIVE_TIMER_PERIOD;


CurrRetryCnt = priv->CurrRetryCnt;
@@ -592,624 +566,534 @@ StaRateAdaptive87SE(
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)
- {
+ /* printk("priv->CurrentOperaRate is %d\n",priv->CurrentOperaRate); */
+ /* 2 Compute retry ratio. */
+ 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);
}


- //
- // 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);
+/*
+ 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;
priv->CurrRetryCnt = 0;

- //2No Tx packets, return to init_rate or not?
- if (CurrRetryRate==0 && CurrTxokCnt == 0)
- {
- //
- //After 9 (30*300ms) seconds in this condition, we try to raise rate.
- //
+ /* 2No Tx packets, return to init_rate or not? */
+ if (CurrRetryRate == 0 && CurrTxokCnt == 0) {
+ /*
+ After 9 (30*300ms) seconds in this condition, we try to raise rate.
+ */
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)
- {
+ /* 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;
- priv->CurrentOperaRate = GetUpgradeTxRate(dev, priv->CurrentOperaRate);
- // Reset Fail Record
+ priv->CurrentOperaRate = GetUpgradeTxRate(dev, priv->CurrentOperaRate);
+ /* Reset Fail Record */
priv->LastFailTxRate = 0;
priv->LastFailTxRateSS = -200;
priv->FailTxRateCount = 0;
}
goto SetInitialGain;
- }
- else
- {
- priv->TryupingCountNoData=0; //Reset trying up times.
- }
+ } else {
+ priv->TryupingCountNoData = 0; /* Reset trying up times. */
+ }
+
+
+/*
+ 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.
+ (2) Add the mechanism to degrade to CCK rate according to signal strength
+ and retry rate.
+ (3) Remove all Initial Gain Updates over OFDM rate. To avoid the complicated
+ 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.

- //
- // 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.
- // (2) Add the mechanism to degrade to CCK rate according to signal strength
- // and retry rate.
- // (3) Remove all Initial Gain Updates over OFDM rate. To avoid the
complicated
- // 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.
- //
- //
-
- // 11Mbps or 36Mbps
- // Check more times in these rate(key rates).
- //
- if(priv->CurrentOperaRate == 22 || priv->CurrentOperaRate == 72)
- {
+
+*/
+ /* 11Mbps or 36Mbps */
+
+ if (priv->CurrentOperaRate == 22 || priv->CurrentOperaRate == 72)
TryUpTh += 9;
- }
- //
- // Let these rates down more difficult.
- //
- if(MgntIsCckRate(priv->CurrentOperaRate) || priv->CurrentOperaRate == 36)
- {
+/*
+ Let these rates down more difficult.
+*/
+ if (MgntIsCckRate(priv->CurrentOperaRate) || priv->CurrentOperaRate == 36)
TryDownTh += 1;
- }

- //1 Adjust Rate.
- if (priv->bTryuping == true)
- {
- //2 For Test Upgrading mechanism
- // Note:
- // Sometimes the throughput is upon on the capability bwtween the
AP and NIC,
- // thus the low data rate does not improve the performance.
- // 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)
- {
- //Not necessary raising rate, fall back rate.
+
+ /* 1 Adjust Rate. */
+ if (priv->bTryuping == true) {
+ /* 2 For Test Upgrading mechanism
+ Note:
+ Sometimes the throughput is upon on the capability bwtween the AP and NIC,
+ thus the low data rate does not improve the performance.
+ 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) {
+ /* 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
- {
+ /* 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;
}
- }
- else if (CurrSignalStrength > -47 && (CurrRetryRate < 50))
- {
- //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.
- //
- // Also need to check retry rate for safety, by Bruce, 2007-06-05.
- if(priv->CurrentOperaRate !=
priv->ieee80211->current_network.HighestOperaRate )
- {
+ } else if (CurrSignalStrength > -47 && (CurrRetryRate < 50)) {
+ /* 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.
+
+ Also need to check retry rate for safety, by Bruce, 2007-06-05.
+ */
+ if (priv->CurrentOperaRate !=
priv->ieee80211->current_network.HighestOperaRate) {
bTryUp = true;
- // Upgrade Tx Rate directly.
+ /* Upgrade Tx Rate directly. */
priv->TryupingCount += TryUpTh;
}
-// printk("case2: StaRateAdaptive87SE: Power(%d) is high enough!!.
\n", CurrSignalStrength);
+/* printk("case2: StaRateAdaptive87SE: Power(%d) is high enough!!.
\n", CurrSignalStrength); */

- }
- else if(CurrTxokCnt > 9 && CurrTxokCnt< 100 && CurrRetryRate >= 600)
- {
- //2 For Serious Retry
- //
- // Traffic is not busy but our Tx retry is serious.
- //
+ } else if (CurrTxokCnt > 9 && CurrTxokCnt < 100 && CurrRetryRate >= 600) {
+ /* 2 For Serious Retry
+
+ Traffic is not busy but our Tx retry is serious.
+ */
bTryDown = true;
- // Let Rate Mechanism to degrade tx rate directly.
+ /* 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))
+ /* 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.
+ /* 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))
+ /* Cable Link */
+ else if ((CurrRetryRate > 17) && (priv->LastRetryRate > 16) &&
(CurrSignalStrength > -72))
+/* else if ( (CurrRetryRate>17)&&(priv->LastRetryRate>16) &&
(CurrSignalStrength > -72)) */
{
- //Down to rate 48Mbps.
+ /* Down to rate 48Mbps. */
bTryDown = true;
}

- if(bTryDown && (CurrSignalStrength < -75)) //cable link
- {
+ if (bTryDown && (CurrSignalStrength < -75)) /* cable link */ {
priv->TryDownCountLowData += TryDownTh;
}
- //printk("case4---54M \n");
+ /* 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)))
+ } 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.
+ /* Down to rate 36Mbps. */
bTryDown = true;
}
- //Cable Link
- else if ( ((CurrRetryRate>21) && (priv->LastRetryRate>20)) &&
(CurrSignalStrength > -74))
- {
- //Down to rate 36Mbps.
+ /* Cable Link */
+ else if (((CurrRetryRate > 21) && (priv->LastRetryRate > 20)) &&
(CurrSignalStrength > -74)) {
+ /* Down to rate 36Mbps. */
bTryDown = true;
- }
- else if((CurrRetryRate> (priv->LastRetryRate + 50 )) &&
(priv->FailTxRateCount >2 ))
-// else if((CurrRetryRate> (priv->LastRetryRate + 70 )) &&
(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<28) && (priv->LastRetryRate<8) )
- {
+ } 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;

- 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.
+ /* 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 ))
+ } 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))
- {
+ } 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))
- {
+ 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.
+
+ /* 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;
- }
- //Cable Link
- else if ( ((CurrRetryRate>33) && (priv->LastRetryRate>32)) &&
(CurrSignalStrength > -82) )
-// else if ( ((CurrRetryRate>50) && (priv->LastRetryRate>49)) &&
(CurrSignalStrength > -82) )
- {
- //Down to rate 18Mbps.
+ } 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 ))
+ } 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))
- {
+ } 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))
- {
+ 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.
+
+ /* 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 ))
- {
+ /* [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))
- {
+ } 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)
+ /* 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) )
- {
+ } 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)
- {
+ /* 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))
+ } 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))
- {
+ /* 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))
- {
+ } 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))
- {
+/* 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");
+ }
+ /* printk("case12---1M \n"); */
}

- if(bTryUp && bTryDown)
- printk("StaRateAdaptive87B(): Tx Rate tried upping and downing
simultaneously!\n");
+ if (bTryUp && bTryDown)
+ printk("StaRateAdaptive87B(): Tx Rate tried upping and downing
simultaneously!\n");

- //1 Test Upgrading Tx Rate
- // 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)
- {
+/* 1 Test Upgrading Tx Rate
+ 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) {
bTryUp = true;
priv->bTryuping = true;
- //printk("StaRateAdaptive87SE(): Randomly try upgrading...\n");
+ /* printk("StaRateAdaptive87SE(): Randomly try upgrading...\n"); */
}
}

- //1 Rate Mechanism
- if(bTryUp)
- {
+ /* 1 Rate Mechanism */
+ 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->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
+ the largest value of pHalData->FailTxRateCount is 0x14,
+ this condition will be satisfied at most every 2 min.
+*/

- //
- // Check more times if we need to upgrade indeed.
- // Because the largest value of pHalData->TryupingCount is 0xFFFF and
- // the largest value of pHalData->FailTxRateCount is 0x14,
- // this condition will be satisfied at most every 2 min.
- //
+ if ((priv->TryupingCount > (TryUpTh + priv->FailTxRateCount *
priv->FailTxRateCount)) ||
+ (CurrSignalStrength > priv->LastFailTxRateSS) || priv->bTryuping) {

- if((priv->TryupingCount > (TryUpTh + priv->FailTxRateCount *
priv->FailTxRateCount)) ||
- (CurrSignalStrength > priv->LastFailTxRateSS) || priv->bTryuping)
- {
priv->TryupingCount = 0;
- //
- // When transfering from CCK to OFDM, DIG is an important issue.
- //
- if(priv->CurrentOperaRate == 22)
+ /*
+ When transfering from CCK to OFDM, DIG is an important issue.
+ */
+ if (priv->CurrentOperaRate == 22)
bUpdateInitialGain = true;

- // The difference in throughput between 48Mbps and 36Mbps is 8M.
- // So, we must be carefully in this rate scale. Isaiah 2008-02-15.
- //
- if( ((priv->CurrentOperaRate == 72) || (priv->CurrentOperaRate ==
48) || (priv->CurrentOperaRate == 36)) &&
- (priv->FailTxRateCount > 2) )
- priv->RateAdaptivePeriod= (RATE_ADAPTIVE_TIMER_PERIOD/2);
-
- // (1)To avoid upgrade frequently to the fail tx rate, add the
FailTxRateCount into the threshold.
- // (2)If the signal strength is increased, it may be able to upgrade.
-
+ /*
+ The difference in throughput between 48Mbps and 36Mbps is 8M.
+ So, we must be carefully in this rate scale. Isaiah 2008-02-15.
+ */
+ if (((priv->CurrentOperaRate == 72) || (priv->CurrentOperaRate ==
48) || (priv->CurrentOperaRate == 36)) &&
+ (priv->FailTxRateCount > 2))
+ priv->RateAdaptivePeriod = (RATE_ADAPTIVE_TIMER_PERIOD/2);
+
+ /*
+ (1)To avoid upgrade frequently to the fail tx rate, add the
FailTxRateCount into the threshold.
+ (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");
+/* 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.
- if(priv->LastFailTxRate != priv->CurrentOperaRate)
- {
+ /* Update Fail Tx rate and count. */
+ if (priv->LastFailTxRate != priv->CurrentOperaRate) {
priv->LastFailTxRate = priv->CurrentOperaRate;
priv->FailTxRateCount = 0;
- priv->LastFailTxRateSS = -200; // Set lowest power.
+ priv->LastFailTxRateSS = -200; /* Set lowest power. */
}
}
- }
- else
- {
- if(priv->TryupingCount > 0)
- priv->TryupingCount --;
+ } 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);
+/*
+ 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)
- {
+ /* Check if Tx rate can be degraded or Test trying upgrading should
fallback. */
+ if (priv->TryDownCountLowData > TryDownTh || priv->bTryuping) {
priv->TryDownCountLowData = 0;
priv->bTryuping = false;
- // Update fail information.
- if(priv->LastFailTxRate == priv->CurrentOperaRate)
- {
- priv->FailTxRateCount ++;
- // Record the Tx fail rate signal strength.
- if(CurrSignalStrength > priv->LastFailTxRateSS)
- {
+ /* Update fail information. */
+ 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;
}
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 ))
- {
+ /* 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);
+/* 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");
+ /* [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"); */
}

- //
- // When it is CCK rate, it may need to update initial gain to
receive lower power packets.
- //
- if(MgntIsCckRate(priv->CurrentOperaRate))
- {
+ /*
+ When it is CCK rate, it may need to update initial gain to
receive lower power packets.
+ */
+ if (MgntIsCckRate(priv->CurrentOperaRate))
bUpdateInitialGain = true;
- }
-// printk("StaRateAdaptive87SE(): Degrade Tx Rate to %d\n",
priv->CurrentOperaRate);
+
+/* printk("StaRateAdaptive87SE(): Degrade Tx Rate to %d\n",
priv->CurrentOperaRate); */
}
- }
- else
- {
- if(priv->TryDownCountLowData > 0)
- priv->TryDownCountLowData --;
+ } 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))
- {
- priv->FailTxRateCount --;
+ /* 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)) {
+ priv->FailTxRateCount--;
}


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
- if((priv->CurrentOperaRate < 96) &&(priv->CurrentOperaRate > 22))
- {
+ /* [TRC Dell Lab] Mac0x9e increase 2 level in 36M~18M situation,
Isaiah 2008-02-18 24:00 */
+ 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) )
- {
- priv->bEnhanceTxPwr= true;
- u1bOfdm = ((u1bOfdm+2) > 35) ? 35: (u1bOfdm+2);
+ /* case 1: Never enter High power */
+ 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);
+/* printk("Enhance OFDM_TXAGC : +++++ u1bOfdm= 0x%x\n", u1bOfdm); */
}
}
- // case 2: enter high power
- else if(u1bCck < CckTxPwrIdx)
- {
- if(!priv->bEnhanceTxPwr)
- {
- priv->bEnhanceTxPwr= true;
- u1bOfdm = ((u1bOfdm+2) > 35) ? 35: (u1bOfdm+2);
+/* case 2: enter high power */
+ else if (u1bCck < CckTxPwrIdx) {
+ 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));
+ /* 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 )
- {
- priv->bEnhanceTxPwr= false;
+ /* case 1: Never enter High power */
+ 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;
+ /* printk("Recover OFDM_TXAGC : ===== u1bOfdm= 0x%x\n", OfdmTxPwrIdx); */
+ } else if (u1bCck < CckTxPwrIdx) {
+ /* case 2: enter high power */
+ 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));
+ /*RT_TRACE(COMP_RATE, DBG_TRACE, ("Recover OFDM_TXAGC(2): =====
u1bOfdm= 0x%x\n", u1bOfdm)); */

}
}

- //
- // We need update initial gain when we set tx rate "from OFDM to CCK" or
- // "from CCK to OFDM".
- //
+ /*
+ We need update initial gain when we set tx rate "from OFDM to CCK" or
+ "from CCK to OFDM".
+ */
SetInitialGain:
- if(bUpdateInitialGain)
- {
- if(MgntIsCckRate(priv->CurrentOperaRate)) // CCK
- {
- if(priv->InitialGain > priv->RegBModeGainStage)
- {
- priv->InitialGainBackUp= priv->InitialGain;
+ 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.
+ 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)
- {
+ } else if (priv->InitialGain > priv->RegBModeGainStage + 1) {
priv->InitialGain -= 2;
+ } else {
+ priv->InitialGain--;
}
- else
- {
- priv->InitialGain --;
- }
- printk("StaRateAdaptive87SE(): update init_gain to index %d for
date rate %d\n",priv->InitialGain, priv->CurrentOperaRate);
+ 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)
- {
- priv->InitialGainBackUp= priv->InitialGain;
+ } else /* OFDM */ {
+ if (priv->InitialGain < 4) {
+ priv->InitialGainBackUp = priv->InitialGain;

- priv->InitialGain ++;
- printk("StaRateAdaptive87SE(): update init_gain to index %d for
date rate %d\n",priv->InitialGain, priv->CurrentOperaRate);
+ priv->InitialGain++;
+ printk("StaRateAdaptive87SE(): update init_gain to index %d for
date rate %d\n", priv->InitialGain, priv->CurrentOperaRate);
UpdateInitialGain(dev);
}
}
}

- //Record the related info
+ /* Record the related info */
priv->LastRetryRate = CurrRetryRate;
priv->LastTxThroughput = TxThroughput;
priv->ieee80211->rate = priv->CurrentOperaRate * 5;
@@ -1218,35 +1102,33 @@ SetInitialGain:
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");
+ 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");
+ /* 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)
+ 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");
+ (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);
+/* StaRateAdaptive87SE((struct net_device *)data); */
}
priv->rateadapter_timer.expires = jiffies + MSECS(priv->RateAdaptivePeriod);
add_timer(&priv->rateadapter_timer);
- //DMESG("<----timer_rate_adaptive()\n");
+ /* DMESG("<----timer_rate_adaptive()\n"); */
}
-//by amy 080312}
+/* by amy 080312} */
void
SwAntennaDiversityRxOk8185(
struct net_device *dev,
@@ -1255,30 +1137,28 @@ SwAntennaDiversityRxOk8185(
{
struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);

-// printk("+SwAntennaDiversityRxOk8185: RxSs: %d\n", SignalStrength);
+/* printk("+SwAntennaDiversityRxOk8185: RxSs: %d\n", SignalStrength); */

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
- if( priv->LastRxPktAntenna ) //Main antenna.
+/*{+by amy 080312 */
+ if (priv->LastRxPktAntenna) /* Main antenna. */
priv->AdMainAntennaRxOkCnt++;
- else // Aux antenna.
+ else /*Aux antenna. */
priv->AdAuxAntennaRxOkCnt++;
-//+by amy 080312
-// printk("-SwAntennaDiversityRxOk8185: AdRxOkCnt: %d
AdRxSignalStrength: %d\n", priv->AdRxOkCnt, priv->AdRxSignalStrength);
+/* +by amy 080312 */
+/* printk("-SwAntennaDiversityRxOk8185: AdRxOkCnt: %d
AdRxSignalStrength: %d\n", priv->AdRxOkCnt, priv->AdRxSignalStrength);
*/
}
-//
-// Description:
-// Change Antenna Switch.
-//
+/*
+ Description:
+ Change Antenna Switch.
+*/
bool
SetAntenna8185(
struct net_device *dev,
@@ -1288,10 +1168,8 @@ SetAntenna8185(
struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
bool bAntennaSwitched = false;

-// printk("+SetAntenna8185(): Antenna is switching to: %d \n",
u1bAntennaIndex);
-
- switch(u1bAntennaIndex)
- {
+/* printk("+SetAntenna8185(): Antenna is switching to: %d \n",
u1bAntennaIndex); */
+ switch (u1bAntennaIndex) {
case 0:
/* Mac register, main antenna */
write_nic_byte(dev, ANTSEL, 0x03);
@@ -1318,19 +1196,18 @@ SetAntenna8185(
break;
}

- if(bAntennaSwitched)
- {
+ if (bAntennaSwitched)
priv->CurrAntennaIndex = u1bAntennaIndex;
- }

-// printk("-SetAntenna8185(): return (%#X)\n", bAntennaSwitched);
+
+/* printk("-SetAntenna8185(): return (%#X)\n", bAntennaSwitched); */

return bAntennaSwitched;
}
-//
-// Description:
-// Toggle Antenna switch.
-//
+/*
+ Description:
+ Toggle Antenna switch.
+*/
bool
SwitchAntenna(
struct net_device *dev
@@ -1340,43 +1217,43 @@ SwitchAntenna(

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
- {
+/*
+ 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
+/*
+ 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.
-//
+/*
+ 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.
+*/
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)
- {
+ bool bSwCheckSS = false;
+/* printk("+SwAntennaDiversity(): CurrAntennaIndex: %d\n",
priv->CurrAntennaIndex); */
+/* printk("AdTickCount is %d\n",priv->AdTickCount); */
+/* by amy 080312 */
+ if (bSwCheckSS) {
priv->AdTickCount++;

printk("(1) AdTickCount: %d, AdCheckPeriod: %d\n",
@@ -1384,209 +1261,195 @@ SwAntennaDiversity(
printk("(2) AdRxSignalStrength: %ld, AdRxSsThreshold: %ld\n",
priv->AdRxSignalStrength, priv->AdRxSsThreshold);
}
-// priv->AdTickCount++;//-by amy 080312
+/* priv->AdTickCount++;//-by amy 080312 */

- // Case 1. No Link.
- if(priv->ieee80211->state != IEEE80211_LINKED)
- {
- // printk("SwAntennaDiversity(): Case 1. No Link.\n");
+ /* 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..
+ /* 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)
- {
- // printk("SwAntennaDiversity(): Case 2. Linked but no packet received.\n");
+ } /* Case 2. Linked but no packet received. */ 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");
+ } /* 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.
+ /* Adjust Rx signal strength threshold. */
priv->AdRxSsThreshold = (priv->AdRxSignalStrength +
priv->AdRxSsBeforeSwitched) / 2;

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.
-// 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->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)
+/*
+ by amy 080312
+ Increase Antenna Diversity checking period.
+*/
+ if (priv->AdCheckPeriod > priv->AdMaxCheckPeriod)
priv->AdCheckPeriod = priv->AdMaxCheckPeriod;

- // Wrong deceision => switch back.
+ /* Wrong deceision => switch back. */
SwitchAntenna(dev);
- }
- else
- { // Rx Signal Strength is improved.
-// printk("SwAntennaDiversity(): Rx Signal Strength is improved,
CurrRxSs: %d, LastRxSs: %d\n",
-// priv->AdRxSignalStrength, priv->AdRxSsBeforeSwitched);
+ } 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.
+ /* Reset Antenna Diversity checking period to its min value. */
priv->AdCheckPeriod = priv->AdMinCheckPeriod;
}

-// printk("SwAntennaDiversity(): AdRxSsThreshold: %d, AdCheckPeriod: %d\n",
-// priv->AdRxSsThreshold, priv->AdCheckPeriod);
+/* 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");
+ /* 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"); */

priv->AdTickCount = 0;

- //
- // <Roger_Notes> We evaluate RxOk counts for each antenna first and than
- // evaluate signal strength.
- // The following operation can overcome the disability of CCA on
both two antennas
- // When signal strength was extremely low or high.
- // 2008.01.30.
- //
-
- //
- // 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.
+ /*
+ <Roger_Notes> We evaluate RxOk counts for each antenna first and than
+ evaluate signal strength.
+ The following operation can overcome the disability of CCA on both
two antennas
+ When signal strength was extremely low or high.
+ 2008.01.30.
+
+
+
+ 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;
- }
- 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);
+ /* printk("SwAntennaDiversity(): Aux antenna RxOK is poor,
AdMainAntennaRxOkCnt: %d, AdAuxAntennaRxOkCnt: %d\n", */
+ /* priv->AdMainAntennaRxOkCnt, priv->AdAuxAntennaRxOkCnt); */

- // Switch to Main antenna.
+ /* 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);
+ /* printk("SwAntennaDiversity(): Default antenna is better.,
AdMainAntennaRxOkCnt: %d, AdAuxAntennaRxOkCnt: %d\n", */
+ /* priv->AdMainAntennaRxOkCnt, priv->AdAuxAntennaRxOkCnt); */

- // Still need to check current signal strength.
+ /* Still need to check current signal strength. */
priv->bHWAdSwitched = false;
- }
- //
- // <Roger_Notes> We evaluate Rx signal strength ONLY when default antenna
- // didn't changed by HW evaluation.
- // 2008.02.27.
- //
- // [TRC Dell Lab] SignalStrength is inaccuracy. Isaiah 2008-03-05
- // For example, Throughput of aux is better than main antenna(about
10M v.s 2M),
- // but AdRxSignalStrength is less than main.
- // 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))
- {
-//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);
+ }
+ /*
+ <Roger_Notes> We evaluate Rx signal strength ONLY when default antenna
+ didn't changed by HW evaluation.
+ 2008.02.27.
+
+ [TRC Dell Lab] SignalStrength is inaccuracy. Isaiah 2008-03-05
+ For example, Throughput of aux is better than main antenna(about 10M v.s 2M),
+ but AdRxSignalStrength is less than main.
+ 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)) {
+ /* 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);
+ } 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.
- {
+ /* 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->AdRxSsThreshold +
priv->AdRxSignalStrength) / 2;
priv->AdRxSsThreshold = (priv->AdRxSsThreshold >
priv->AdMaxRxSsThreshold) ?
- priv->AdMaxRxSsThreshold: priv->AdRxSsThreshold;//+by amy 080312
+ priv->AdMaxRxSsThreshold : priv->AdRxSsThreshold; /* +by
amy 080312 */
}

- // Reduce Antenna Diversity checking period if possible.
- if( priv->AdCheckPeriod > priv->AdMinCheckPeriod )
- {
+ /* Reduce Antenna Diversity checking period if possible. */
+ if (priv->AdCheckPeriod > priv->AdMinCheckPeriod)
priv->AdCheckPeriod /= 2;
- }
- }
+
+ }
}
}
-//by amy 080312
- // Reset antenna diversity Rx related statistics.
+/*
+ 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
+/*
+ by amy 080312
+ priv->AdRxOkCnt = 0;//-by amy 080312

-// printk("-SwAntennaDiversity()\n");
+ printk("-SwAntennaDiversity()\n");
+*/
}

-//
-// Description:
-// Return TRUE if we shall perform Tx Power Tracking Mecahnism,
FALSE otherwise.
-//
+/*
+ Description:
+ Return TRUE if we shall perform Tx Power Tracking Mecahnism, FALSE otherwise.
+*/
bool
-CheckTxPwrTracking( struct net_device *dev)
+CheckTxPwrTracking(struct net_device *dev)
{
struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);

- if(!priv->bTxPowerTrack)
- {
+ if (!priv->bTxPowerTrack)
return false;
- }
+}

-//lzm reserved 080826
- //if(priv->bScanInProgress)
- //{
- // 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)
- {
+ /* 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;
-}
+ }


-//
-// Description:
-// Timer callback function of SW Antenna Diversity.
-//
+/*
+ Description:
+ Timer callback function of SW Antenna Diversity.
+*/
void
SwAntennaDiversityTimerCallback(
struct net_device *dev
@@ -1595,35 +1458,31 @@ SwAntennaDiversityTimerCallback(
struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
RT_RF_POWER_STATE rtState;

- //printk("+SwAntennaDiversityTimerCallback()\n");
+ /* 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.
+ 2007.05.09, added by Roger.
+ */
rtState = priv->eRFPowerState;
- do{
- if (rtState == eRfOff)
- {
-// printk("SwAntennaDiversityTimer - RF is OFF.\n");
+ 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"));
+ } 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);
}

- //printk("-SwAntennaDiversityTimerCallback()\n");
+ /* printk("-SwAntennaDiversityTimerCallback()\n"); */
}

--
1.7.2.1