wlan_bearer/wlanldd/wlan_common/umac_common/src/umacactivemodepowermodemgr.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 21 Jun 2010 17:43:00 +0300
branchRCL_3
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permissions -rw-r--r--
Revision: 201023 Kit: 2010125
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/*
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* Copyright (c) 2006-2010 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 WlanActiveModePowerModeMgr class
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*
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*/
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/*
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* %version: 14 %
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*/
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#include "config.h"
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#include "umacactivemodepowermodemgr.h"
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#include "UmacContextImpl.h"
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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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WlanActiveModePowerModeMgr::WlanActiveModePowerModeMgr() : 
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    iToLightPsFrameCount( 0 ),
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    iToLightPsFrameThreshold( KDefaultToLightPsFrameThreshold )
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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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WlanActiveModePowerModeMgr::~WlanActiveModePowerModeMgr() 
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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 WlanActiveModePowerModeMgr::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,
0
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    TBool aIgnoreThisFrame )
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    {
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    if ( aEtherType == KEapolType ||
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         aEtherType == KWaiType )
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        {
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        OsTracePrint( KPwrStateTransition, (TUint8*)
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            ("UMAC: WlanActiveModePowerModeMgr::OnFrameTx: count this frame; eapol or WAI") );
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        ++iToLightPsFrameCount; 
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        }
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    else
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        {
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        if ( aIgnoreThisFrame || aDot11FrameType == E802Dot11FrameTypeDataNull )
0
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            { 
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            // for these frames we don't increment the Tx counter
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            OsTracePrint( KPwrStateTransition, (TUint8*)
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                ("UMAC: WlanActiveModePowerModeMgr::OnFrameTx: do not count this frame") );
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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: WlanActiveModePowerModeMgr::OnFrameTx: count this frame") );
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            ++iToLightPsFrameCount;
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            }
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        }
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    return ENoChange;
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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 WlanActiveModePowerModeMgr::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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    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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        ++iToLightPsFrameCount; 
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        }
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    return ENoChange;
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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 WlanActiveModePowerModeMgr::OnActiveToLightPsTimerTimeout()
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    {
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    OsTracePrint( KPwrStateTransition, (TUint8*)
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        ("UMAC: WlanActiveModePowerModeMgr::OnActiveToLightPsTimerTimeout: ToLightPsFrameCount: %d"),
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        iToLightPsFrameCount );
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    if ( iToLightPsFrameCount < iToLightPsFrameThreshold )
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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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        iToLightPsFrameCount = 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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void WlanActiveModePowerModeMgr::DoReset()
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    {
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    OsTracePrint( KPwrStateTransition, (TUint8*)
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        ("UMAC: WlanActiveModePowerModeMgr::DoReset()") );
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    iToLightPsFrameCount = 0;
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    }