diff -r d3e8e7d462dd -r f92a4f87e424 usbmgmt/usbmgr/device/classdrivers/ncm/classimplementation/ncmpktdrv/pktdrv/inc/ncmdatasender.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbmgmt/usbmgr/device/classdrivers/ncm/classimplementation/ncmpktdrv/pktdrv/inc/ncmdatasender.h	Tue Aug 31 17:01:47 2010 +0300
@@ -0,0 +1,143 @@
+/*
+* 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:
+*
+*/
+
+
+/**
+@file
+@internalComponent
+*/
+
+
+#ifndef NCMDATASENDER_H
+#define NCMDATASENDER_H
+
+#include <e32base.h>
+
+#ifndef __OVER_DUMMYUSBSCLDD__
+#include <d32usbcsc.h>
+#else
+#include <dummyusbsclddapi.h>
+#include <usb/testncm/ethinter.h>
+#endif
+
+#include "ncmntbbuilder.h"
+#include "ncmpktdrvcommon.h"
+
+
+class CNcmDataInterface;
+class RDevUsbcScClient;
+class CNcmBufferManager;
+class CNcmNtbBuildPolicy;
+
+
+NONSHARABLE_CLASS(MNcmNtbBuildObserver)
+    {
+public:    
+    /**
+    * send a NTB out, this is interface with CNtbBuilder
+    *
+    * @param aBuffer contain a whole NTB.
+    */
+    virtual void SendNtbPayload(TNcmBuffer& aBuffer) = 0;
+    };
+
+
+
+/**
+Responsible for sending Ncm packet data
+*/
+
+NONSHARABLE_CLASS(CNcmDataSender) : public CActive, 
+                                    public MNcmNtbBuildObserver
+
+    {
+public:
+    static CNcmDataSender* NewL(RDevUsbcScClient& aPort, CNcmDataInterface& aParent);
+    ~CNcmDataSender();
+
+public:
+    /** derived from MNcmNtbBuildObserver */
+    void SendNtbPayload(TNcmBuffer& aBuffer);
+
+public:    
+    /**
+     * change NtbInMax size
+     *
+     * @param aSize, new NtbInMax size
+     * @param aIsAltZero, is alternate setting 0
+     * @return KErrNone           if success, 
+     *         KErrArgument       if the aSize is bigger than 65535, 
+     *           KErrUnknown        if aSize is too bigger and can't create enough buffer block
+     */
+    TInt SetNtbInMaxSize(TInt aSize, TBool aIsAltZero=ETrue);
+    void RunL();
+    void Start();
+    /**
+     * send a ethernet frame
+     *
+     * @param aPacket, the ethernet frame
+     * @return KErrNone            if success, 
+     *         KErrNotReady        if sender is not started.
+     *         KErrCongestion      if there is less buffers, need to start flow control.  
+     */    
+    TInt Send(RMBufChain& aPacket);
+    void GetNtbParam(TNcmNtbInParam& aParam);
+    void Stop();
+    TInt SetInEpBufferSize(TUint aSize);		
+    inline TInt NtbInMaxSize(); 
+  
+private:
+    CNcmDataSender(RDevUsbcScClient& aPort, CNcmDataInterface& aParent);
+    void ConstructL();
+    void SendNtbComplete();
+    TInt StartNewNtb();
+    void DoCancel();
+        
+private:
+    RDevUsbcScClient&           iPort;
+    CNcmDataInterface&          iParent;
+    /**
+    * LDD Endpoint buffer for in NCM in endpoint
+    */    
+    TEndpointBuffer             iEpOut;
+    /**
+    * store the buffers to be sent to LDD
+    */    
+    RArray<TNcmBuffer>          iTxArray;
+    /**
+    * store the buffer is on sending
+    */
+    TNcmBuffer                  iSendingBuffer;
+    /**
+    * there is a buffer currenly on sending
+    */
+    TBool                       iIsSending;
+    TBool                       iStarted;
+    CNcmNtbBuilder*             iNtbBuilder;
+    CNcmBufferManager*          iBufferManager;
+    CNcmNtbBuildPolicy*         iBuildPolicy;
+    /**
+    * networking may send packet when data sender is not started, use this to determin if do send resuming when start
+    */
+    TBool                       iStopSending;
+    
+    };
+
+// Inline functions
+#include "ncmdatasender.inl"
+
+#endif //NCMDATASENDER_H