author | hgs |
Fri, 04 Jun 2010 12:12:29 +0300 | |
changeset 25 | a0fdcd0e4c56 |
parent 0 | c40eb8fe8501 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Implementation of the WlanLightPsModePowerModeMgr class |
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* |
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*/ |
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|
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/* |
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* %version: 4 % |
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*/ |
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#include "config.h" |
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#include "umaclightpsmodepowermodemgr.h" |
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#include "UmacContextImpl.h" |
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#include "802dot11.h" |
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// Default Rx/Tx frame count threshold for considering change to Active mode. |
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// This value is used if another value hasn't been provided |
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const TUint KDefaultToActivePacketThreshold = 4; |
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// Default Rx/Tx frame count threshold for considering change to Deep PS mode. |
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// This value is used if another value hasn't been provided |
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const TUint KDefaultToDeepPsPacketThreshold = 1; |
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// ================= MEMBER FUNCTIONS ======================= |
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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WlanLightPsModePowerModeMgr::WlanLightPsModePowerModeMgr() : |
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iToActiveFrameCount( 0 ), |
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iToActiveFrameThreshold( KDefaultToActivePacketThreshold ), |
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iToDeepPsFrameCount( 0 ), |
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iToDeepPsFrameThreshold( KDefaultToDeepPsPacketThreshold ) |
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{ |
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} |
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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WlanLightPsModePowerModeMgr::~WlanLightPsModePowerModeMgr() |
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{ |
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} |
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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TPowerMgmtModeChange WlanLightPsModePowerModeMgr::OnFrameTx( |
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WlanContextImpl& aCtxImpl, |
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WHA::TQueueId /*aQueueId*/, |
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TUint16 aEtherType, |
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T802Dot11FrameControlTypeMask aDot11FrameType, |
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TBool aIgnoreThisFrame ) |
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{ |
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TPowerMgmtModeChange powerMgmtModeChange( ENoChange ); |
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if ( aEtherType == KEapolType || |
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aEtherType == KWaiType || |
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aDot11FrameType == E802Dot11FrameTypeDataNull || |
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( aEtherType == KArpType && |
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!(aCtxImpl.UapsdUsedForVoice() && aCtxImpl.InVoiceCallState())) ) |
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{ |
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powerMgmtModeChange = EToActive; |
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OsTracePrint( KPwrStateTransition, (TUint8*) |
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("UMAC: WlanLightPsModePowerModeMgr::OnFrameTx: EAPOL, WAI or keep " |
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"alive frame or ARP in non- U-APSD WoWLAN call state; change to " |
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"Active") ); |
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} |
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else if ( !aIgnoreThisFrame ) |
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{ |
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OsTracePrint( KPwrStateTransition, (TUint8*) |
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("UMAC: WlanLightPsModePowerModeMgr::OnFrameTx: count this frame") ); |
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++iToActiveFrameCount; |
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++iToDeepPsFrameCount; |
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if ( iToActiveFrameCount >= iToActiveFrameThreshold ) |
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{ |
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powerMgmtModeChange = EToActive; |
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OsTracePrint( KPwrStateTransition, (TUint8*) |
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("UMAC: WlanLightPsModePowerModeMgr::OnFrameTx: threshold " |
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"exceeded; change to Active") ); |
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} |
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} |
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else |
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{ |
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OsTracePrint( KPwrStateTransition, (TUint8*) |
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("UMAC: WlanLightPsModePowerModeMgr::OnFrameTx: do not count " |
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"this frame") ); |
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// no action needed |
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} |
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return powerMgmtModeChange; |
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} |
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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TPowerMgmtModeChange WlanLightPsModePowerModeMgr::OnFrameRx( |
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WlanContextImpl& aCtxImpl, |
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WHA::TQueueId aAccessCategory, |
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TUint16 aEtherType, |
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TBool aIgnoreThisFrame, |
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TUint aPayloadLength, |
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TDaType aDaType ) |
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{ |
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TPowerMgmtModeChange powerMgmtModeChange( ENoChange ); |
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if ( aEtherType == KEapolType || |
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aEtherType == KWaiType ) |
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{ |
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powerMgmtModeChange = EToActive; |
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OsTracePrint( KPwrStateTransition, (TUint8*) |
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("UMAC: WlanLightPsModePowerModeMgr::OnFrameRx: EAPOL or WAI frame; change to Active") ); |
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} |
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else |
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{ |
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if ( CountThisFrame( |
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aCtxImpl, |
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aAccessCategory, |
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aEtherType, |
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aIgnoreThisFrame, |
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aPayloadLength, |
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iUapsdRxFrameLengthThreshold, |
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aDaType ) ) |
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{ |
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++iToActiveFrameCount; |
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++iToDeepPsFrameCount; |
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|
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if ( iToActiveFrameCount >= iToActiveFrameThreshold ) |
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{ |
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powerMgmtModeChange = EToActive; |
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|
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OsTracePrint( KPwrStateTransition, (TUint8*) |
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("UMAC: WlanLightPsModePowerModeMgr::OnFrameRx: threshold exceeded; change to Active") ); |
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} |
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} |
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} |
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|
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return powerMgmtModeChange; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
25 | 165 |
TPowerMgmtModeChange WlanLightPsModePowerModeMgr::OnPsModeErrorIndication() |
166 |
{ |
|
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return EToActive; |
|
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} |
|
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||
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// --------------------------------------------------------------------------- |
|
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// |
|
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// --------------------------------------------------------------------------- |
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// |
|
0
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TBool WlanLightPsModePowerModeMgr::OnLightPsToActiveTimerTimeout( |
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WlanContextImpl& aCtxImpl ) |
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{ |
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OsTracePrint( KPwrStateTransition, (TUint8*) |
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("UMAC: WlanLightPsModePowerModeMgr::OnLightPsToActiveTimerTimeout: ToActiveFrameCount: %d"), |
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iToActiveFrameCount ); |
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|
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iToActiveFrameCount = 0; |
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|
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if ( // we are seeking for the opportunity to perform tests on the |
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// current AP |
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aCtxImpl.ApTestOpportunitySeekStarted() && |
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// we have not yet indicated to WLAN Mgmt Client the opportunity |
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// to perform tests on the current AP |
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!aCtxImpl.ApTestOpportunityIndicated() ) |
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{ |
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// Inform WLAN Mgmt Client that this would be the time to start |
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// the testing |
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aCtxImpl.iUmac.OnInDicationEvent( EApTestOpportunity ); |
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// make a note that AP test opportunity has been indicated to |
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// WLAN Mgmt Client |
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aCtxImpl.ApTestOpportunityIndicated( ETrue ); |
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} |
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|
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return EFalse; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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TBool WlanLightPsModePowerModeMgr::OnLightPsToDeepPsTimerTimeout() |
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{ |
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OsTracePrint( KPwrStateTransition, (TUint8*) |
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("UMAC: WlanLightPsModePowerModeMgr::OnLightPsToDeepPsTimerTimeout: ToDeepPsFrameCount: %d"), |
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iToDeepPsFrameCount ); |
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|
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if ( iToDeepPsFrameCount < iToDeepPsFrameThreshold ) |
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{ |
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return ETrue; |
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} |
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else |
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{ |
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iToDeepPsFrameCount = 0; |
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return EFalse; |
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} |
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} |
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|
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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void WlanLightPsModePowerModeMgr::DoReset() |
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{ |
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OsTracePrint( KPwrStateTransition, (TUint8*) |
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("UMAC: WlanLightPsModePowerModeMgr::DoReset()") ); |
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|
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iToActiveFrameCount = 0; |
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iToDeepPsFrameCount = 0; |
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} |