--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbmgmt/usbmgr/device/classdrivers/ncm/classimplementation/ncmpktdrv/pktdrv/inc/ncmntbbuildpolicy.h	Wed Jul 07 14:16:40 2010 +0800
@@ -0,0 +1,71 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "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:
+* Header file NTB build policy base class
+*
+*/
+
+
+/**
+@file
+@internalComponent
+*/
+
+#ifndef NCMNTBBUILDPOLICY_H
+#define NCMNTBBUILDPOLICY_H
+
+
+#include <e32base.h>
+#include "ncmpktdrvcommon.h"
+
+class CNcmNtbBuilder;
+
+/**
+base class for ntb build policy
+*/
+
+NONSHARABLE_CLASS(CNcmNtbBuildPolicy) : public CActive
+    {
+public:
+    /**
+    *    call by builder when begin a new NTB
+    */
+    virtual void StartNewNtb() = 0;
+    /**
+    *     call by builder when a ethernet frame is added to NTB
+    */    
+    virtual void UpdateNtb(TInt aSize) = 0;
+    /**
+    *   call by builder when complete a NTB    
+    */
+    virtual void CompleteNtbBuild() = 0;
+	virtual void UpdateBufferSize(TInt aSize) = 0;
+    virtual void UpdateFreeBufferCount(TInt aCount) = 0;
+	virtual void UpdateTotalBufferCount(TInt aCount) = 0;
+    ~CNcmNtbBuildPolicy();
+    inline CNcmNtbBuilder& NtbBuilder();
+    
+protected:
+    CNcmNtbBuildPolicy(CNcmNtbBuilder&);
+    CNcmNtbBuilder&    iNtbBuilder;
+};
+
+
+inline CNcmNtbBuilder& CNcmNtbBuildPolicy::NtbBuilder()
+    {
+    return iNtbBuilder;
+    }
+
+
+#endif //NCMNTBBUILDPOLICY_H