/*
* Copyright (c) 2006-2010 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of the License "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: Implementation of the WlanPowerModeMgrBase class
*
*/
/*
* %version: 9 %
*/
#include "config.h"
#include "umacpowermodemgrbase.h"
#include "UmacContextImpl.h"
// ================= MEMBER FUNCTIONS =======================
// ---------------------------------------------------------------------------
//
// ---------------------------------------------------------------------------
//
WlanPowerModeMgrBase::WlanPowerModeMgrBase() :
iUapsdRxFrameLengthThreshold( KDefaultUapsdRxFrameLengthThreshold )
{
}
// ---------------------------------------------------------------------------
//
// ---------------------------------------------------------------------------
//
WlanPowerModeMgrBase::~WlanPowerModeMgrBase()
{
}
// ---------------------------------------------------------------------------
//
// ---------------------------------------------------------------------------
//
TPowerMgmtModeChange WlanPowerModeMgrBase::OnPsModeErrorIndication()
{
return ENoChange;
}
// ---------------------------------------------------------------------------
//
// ---------------------------------------------------------------------------
//
TBool WlanPowerModeMgrBase::OnActiveToLightPsTimerTimeout()
{
return EFalse;
}
// ---------------------------------------------------------------------------
//
// ---------------------------------------------------------------------------
//
TBool WlanPowerModeMgrBase::OnLightPsToActiveTimerTimeout(
WlanContextImpl& /*aCtxImpl*/ )
{
return EFalse;
}
// ---------------------------------------------------------------------------
//
// ---------------------------------------------------------------------------
//
TBool WlanPowerModeMgrBase::OnLightPsToDeepPsTimerTimeout()
{
return EFalse;
}
// ---------------------------------------------------------------------------
//
// ---------------------------------------------------------------------------
//
void WlanPowerModeMgrBase::Reset()
{
DoReset();
}
// ---------------------------------------------------------------------------
//
// ---------------------------------------------------------------------------
//
TBool WlanPowerModeMgrBase::CountThisFrame(
WlanContextImpl& aCtxImpl,
WHA::TQueueId aAccessCategory,
TUint16 aEtherType,
TBool aIgnoreThisFrame,
TUint aPayloadLength,
TUint16 aUapsdRxFrameLengthThreshold,
TDaType aDaType )
{
TBool countThisFrame( ETrue );
if ( !( aEtherType == KEapolType ||
aEtherType == KWaiType ) )
{
if ( !aIgnoreThisFrame )
{
// this is not a frame to be ignored based on WLAN mgmt client
// settings. However, check if it should be ignored for other
// reasons
if ( aDaType == EBroadcastAddress )
{
countThisFrame = EFalse;
OsTracePrint( KPwrStateTransition, (TUint8*)
("UMAC: WlanPowerModeMgrBase::CountThisFrame: no; a bcast frame") );
}
else if ( aDaType == EMulticastAddress )
{
if ( !aCtxImpl.MulticastAddressCount() )
{
// no multicast MAC filters defined, so no downlink
// multicast data stream expected => don't count the frame
countThisFrame = EFalse;
OsTracePrint( KPwrStateTransition, (TUint8*)
("UMAC: WlanPowerModeMgrBase::CountThisFrame: no; a mcast frame and no mcast MAC filters defined") );
}
else
{
// at least one multicast MAC filter defined so a downlink
// multicast data stream may be expected => count the frame
OsTracePrint( KPwrStateTransition, (TUint8*)
("UMAC: WlanPowerModeMgrBase::CountThisFrame: yes; a mcast frame and at least one mcast MAC filter defined") );
}
}
else
{
// a unicast frame
if ( aCtxImpl.UapsdUsedForBestEffort() &&
aAccessCategory == WHA::ELegacy &&
aPayloadLength < aUapsdRxFrameLengthThreshold )
{
// U-APSD is being used for Best Effort (Legacy) AC (queue)
// and access category of this frame == WHA::ELegacy
// and payload is shorter than the defined threshold =>
// don't count this frame
countThisFrame = EFalse;
OsTracePrint( KPwrStateTransition, (TUint8*)
("UMAC: WlanPowerModeMgrBase::CountThisFrame: no, as uapsd in use for legacy, AC == legacy and payload < thr"));
}
else
{
OsTracePrint( KPwrStateTransition, (TUint8*)
("UMAC: WlanPowerModeMgrBase::CountThisFrame: yes"));
}
}
}
else
{
// this is a frame to be ignored based on WLAN mgmt client AC settings
countThisFrame = EFalse;
OsTracePrint( KPwrStateTransition, (TUint8*)
("UMAC: WlanPowerModeMgrBase::CountThisFrame: no, as frames are ignored for this queue/AC: %d"),
aAccessCategory );
}
}
else
{
// EAPOL and WAI frames we always count. Not further actions needed
OsTracePrint( KPwrStateTransition, (TUint8*)
("UMAC: WlanPowerModeMgrBase::CountThisFrame: yes; EAPOL or WAI frame"));
}
return countThisFrame;
}