--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wlan_bearer/wlanldd/wlan_common/umac_common/src/umaclightpsmodepowermodemgr.cpp Tue Feb 02 02:03:13 2010 +0200
@@ -0,0 +1,219 @@
+/*
+* Copyright (c) 2008-2009 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 WlanLightPsModePowerModeMgr class
+*
+*/
+
+/*
+* %version: 3 %
+*/
+
+#include "config.h"
+#include "umaclightpsmodepowermodemgr.h"
+#include "UmacContextImpl.h"
+#include "802dot11.h"
+
+// Default Rx/Tx frame count threshold for considering change to Active mode.
+// This value is used if another value hasn't been provided
+const TUint KDefaultToActivePacketThreshold = 4;
+
+// Default Rx/Tx frame count threshold for considering change to Deep PS mode.
+// This value is used if another value hasn't been provided
+const TUint KDefaultToDeepPsPacketThreshold = 1;
+
+// ================= MEMBER FUNCTIONS =======================
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+WlanLightPsModePowerModeMgr::WlanLightPsModePowerModeMgr() :
+ iToActiveFrameCount( 0 ),
+ iToActiveFrameThreshold( KDefaultToActivePacketThreshold ),
+ iToDeepPsFrameCount( 0 ),
+ iToDeepPsFrameThreshold( KDefaultToDeepPsPacketThreshold )
+ {
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+WlanLightPsModePowerModeMgr::~WlanLightPsModePowerModeMgr()
+ {
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+TPowerMgmtModeChange WlanLightPsModePowerModeMgr::OnFrameTx(
+ WlanContextImpl& /*aCtxImpl*/,
+ WHA::TQueueId /*aQueueId*/,
+ TUint16 aEtherType,
+ TBool aIgnoreThisFrame )
+ {
+ TPowerMgmtModeChange powerMgmtModeChange( ENoChange );
+
+ if ( aEtherType == KEapolType ||
+ aEtherType == KWaiType )
+ {
+ powerMgmtModeChange = EToActive;
+
+ OsTracePrint( KPwrStateTransition, (TUint8*)
+ ("UMAC: WlanLightPsModePowerModeMgr::OnFrameTx: EAPOL or WAI frame; change to Active") );
+ }
+ else
+ {
+ if ( !aIgnoreThisFrame )
+ {
+ OsTracePrint( KPwrStateTransition, (TUint8*)
+ ("UMAC: WlanLightPsModePowerModeMgr::OnFrameTx: count this frame") );
+
+ ++iToActiveFrameCount;
+ ++iToDeepPsFrameCount;
+
+ if ( iToActiveFrameCount >= iToActiveFrameThreshold )
+ {
+ powerMgmtModeChange = EToActive;
+
+ OsTracePrint( KPwrStateTransition, (TUint8*)
+ ("UMAC: WlanLightPsModePowerModeMgr::OnFrameTx: threshold exceeded; change to Active") );
+ }
+ }
+ else
+ {
+ OsTracePrint( KPwrStateTransition, (TUint8*)
+ ("UMAC: WlanLightPsModePowerModeMgr::OnFrameTx: do no count this frame") );
+
+ // no further action needed
+ }
+ }
+
+ return powerMgmtModeChange;
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+TPowerMgmtModeChange WlanLightPsModePowerModeMgr::OnFrameRx(
+ WlanContextImpl& aCtxImpl,
+ WHA::TQueueId aAccessCategory,
+ TUint16 aEtherType,
+ TBool aIgnoreThisFrame,
+ TUint aPayloadLength,
+ TDaType aDaType )
+ {
+ TPowerMgmtModeChange powerMgmtModeChange( ENoChange );
+
+ if ( aEtherType == KEapolType ||
+ aEtherType == KWaiType )
+ {
+ powerMgmtModeChange = EToActive;
+
+ OsTracePrint( KPwrStateTransition, (TUint8*)
+ ("UMAC: WlanLightPsModePowerModeMgr::OnFrameRx: EAPOL or WAI frame; change to Active") );
+ }
+ else
+ {
+ if ( CountThisFrame(
+ aCtxImpl,
+ aAccessCategory,
+ aEtherType,
+ aIgnoreThisFrame,
+ aPayloadLength,
+ iUapsdRxFrameLengthThreshold,
+ aDaType ) )
+ {
+ ++iToActiveFrameCount;
+ ++iToDeepPsFrameCount;
+
+ if ( iToActiveFrameCount >= iToActiveFrameThreshold )
+ {
+ powerMgmtModeChange = EToActive;
+
+ OsTracePrint( KPwrStateTransition, (TUint8*)
+ ("UMAC: WlanLightPsModePowerModeMgr::OnFrameRx: threshold exceeded; change to Active") );
+ }
+ }
+ }
+
+ return powerMgmtModeChange;
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+TBool WlanLightPsModePowerModeMgr::OnLightPsToActiveTimerTimeout(
+ WlanContextImpl& aCtxImpl )
+ {
+ OsTracePrint( KPwrStateTransition, (TUint8*)
+ ("UMAC: WlanLightPsModePowerModeMgr::OnLightPsToActiveTimerTimeout: ToActiveFrameCount: %d"),
+ iToActiveFrameCount );
+
+ iToActiveFrameCount = 0;
+
+ if ( // we are seeking for the opportunity to perform tests on the
+ // current AP
+ aCtxImpl.ApTestOpportunitySeekStarted() &&
+ // we have not yet indicated to WLAN Mgmt Client the opportunity
+ // to perform tests on the current AP
+ !aCtxImpl.ApTestOpportunityIndicated() )
+ {
+ // Inform WLAN Mgmt Client that this would be the time to start
+ // the testing
+ aCtxImpl.iUmac.OnInDicationEvent( EApTestOpportunity );
+ // make a note that AP test opportunity has been indicated to
+ // WLAN Mgmt Client
+ aCtxImpl.ApTestOpportunityIndicated( ETrue );
+ }
+
+ return EFalse;
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+TBool WlanLightPsModePowerModeMgr::OnLightPsToDeepPsTimerTimeout()
+ {
+ OsTracePrint( KPwrStateTransition, (TUint8*)
+ ("UMAC: WlanLightPsModePowerModeMgr::OnLightPsToDeepPsTimerTimeout: ToDeepPsFrameCount: %d"),
+ iToDeepPsFrameCount );
+
+ if ( iToDeepPsFrameCount < iToDeepPsFrameThreshold )
+ {
+ return ETrue;
+ }
+ else
+ {
+ iToDeepPsFrameCount = 0;
+ return EFalse;
+ }
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void WlanLightPsModePowerModeMgr::DoReset()
+ {
+ OsTracePrint( KPwrStateTransition, (TUint8*)
+ ("UMAC: WlanLightPsModePowerModeMgr::DoReset()") );
+
+ iToActiveFrameCount = 0;
+ iToDeepPsFrameCount = 0;
+ }