--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wlan_bearer/wlanldd/wlan_common/umac_common/src/umacactivemodepowermodemgr.cpp Tue Feb 02 02:03:13 2010 +0200
@@ -0,0 +1,149 @@
+/*
+* Copyright (c) 2006-2009 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 WlanActiveModePowerModeMgr class
+*
+*/
+
+/*
+* %version: 13 %
+*/
+
+#include "config.h"
+#include "umacactivemodepowermodemgr.h"
+#include "UmacContextImpl.h"
+
+
+// Default Rx/Tx frame count threshold for considering change to Light PS mode.
+// This value is used if another value hasn't been provided
+const TUint KDefaultToLightPsFrameThreshold = 1;
+
+
+// ================= MEMBER FUNCTIONS =======================
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+WlanActiveModePowerModeMgr::WlanActiveModePowerModeMgr() :
+ iToLightPsFrameCount( 0 ),
+ iToLightPsFrameThreshold( KDefaultToLightPsFrameThreshold )
+ {
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+WlanActiveModePowerModeMgr::~WlanActiveModePowerModeMgr()
+ {
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+TPowerMgmtModeChange WlanActiveModePowerModeMgr::OnFrameTx(
+ WlanContextImpl& /*aCtxImpl*/,
+ WHA::TQueueId /*aQueueId*/,
+ TUint16 aEtherType,
+ TBool aIgnoreThisFrame )
+ {
+ if ( aEtherType == KEapolType ||
+ aEtherType == KWaiType )
+ {
+ OsTracePrint( KPwrStateTransition, (TUint8*)
+ ("UMAC: WlanActiveModePowerModeMgr::OnFrameTx: count this frame; eapol or WAI") );
+
+ ++iToLightPsFrameCount;
+ }
+ else
+ {
+ if ( aIgnoreThisFrame )
+ {
+ // for these frames we don't increment the Tx counter
+
+ OsTracePrint( KPwrStateTransition, (TUint8*)
+ ("UMAC: WlanActiveModePowerModeMgr::OnFrameTx: do not count this frame") );
+ }
+ else
+ {
+ OsTracePrint( KPwrStateTransition, (TUint8*)
+ ("UMAC: WlanActiveModePowerModeMgr::OnFrameTx: count this frame") );
+
+ ++iToLightPsFrameCount;
+ }
+ }
+
+ return ENoChange;
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+TPowerMgmtModeChange WlanActiveModePowerModeMgr::OnFrameRx(
+ WlanContextImpl& aCtxImpl,
+ WHA::TQueueId aAccessCategory,
+ TUint16 aEtherType,
+ TBool aIgnoreThisFrame,
+ TUint aPayloadLength,
+ TDaType aDaType )
+ {
+ if ( CountThisFrame(
+ aCtxImpl,
+ aAccessCategory,
+ aEtherType,
+ aIgnoreThisFrame,
+ aPayloadLength,
+ iUapsdRxFrameLengthThreshold,
+ aDaType ) )
+ {
+ ++iToLightPsFrameCount;
+ }
+
+ return ENoChange;
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+TBool WlanActiveModePowerModeMgr::OnActiveToLightPsTimerTimeout()
+ {
+ OsTracePrint( KPwrStateTransition, (TUint8*)
+ ("UMAC: WlanActiveModePowerModeMgr::OnActiveToLightPsTimerTimeout: ToLightPsFrameCount: %d"),
+ iToLightPsFrameCount );
+
+ if ( iToLightPsFrameCount < iToLightPsFrameThreshold )
+ {
+ return ETrue;
+ }
+ else
+ {
+ iToLightPsFrameCount = 0;
+ return EFalse;
+ }
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void WlanActiveModePowerModeMgr::DoReset()
+ {
+ OsTracePrint( KPwrStateTransition, (TUint8*)
+ ("UMAC: WlanActiveModePowerModeMgr::DoReset()") );
+
+ iToLightPsFrameCount = 0;
+ }