usbmgmt/usbmgr/device/classdrivers/ncm/classimplementation/ncmpktdrv/pktdrv/inc/ncmdatainterface.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/usbmgmt/usbmgr/device/classdrivers/ncm/classimplementation/ncmpktdrv/pktdrv/inc/ncmdatainterface.h Tue Aug 31 17:01:47 2010 +0300
@@ -0,0 +1,115 @@
+/*
+* 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 NCMDATAINTERFACE_H
+#define NCMDATAINTERFACE_H
+
+#include <e32base.h>
+#ifndef __OVER_DUMMYUSBSCLDD__
+#include <nifmbuf.h>
+#include <networking/ethinter.h>
+#include <d32usbcsc.h>
+#else
+#include <dummyusbsclddapi.h>
+#include <usb/testncm/ethinter.h>
+#endif
+
+#include "ncmpktdrvcommon.h"
+
+class CNcmDataSender;
+class CNcmDataReceiver;
+
+/**
+The interface to NCM data channel.
+*/
+NONSHARABLE_CLASS(MNcmDataObserver)
+{
+public:
+ /**
+ Process received datagram parsed from NCM.
+ @param[in] aPacket, contains the datagram(ethernet frame) to be dealed with.
+ */
+ virtual void ProcessReceivedDatagram(RMBufPacket& aPacket) = 0;
+ /**
+ Notify the upper layer(TCP/IP stack) to continue to send data.
+ */
+ virtual void ResumeSending() = 0;
+ /**
+ Notify unrecoverable error in data channel.
+ */
+ virtual void DataError(TInt aError) = 0;
+ /**
+ Notify the Data Interface's alt-setting changes, which commonly from 0 to 1, or vice versa.
+ @param[in] aIfAltSet, the alt-setting number.
+ */
+ virtual void HandleAltSetting(TInt aIfAltSet) = 0;
+};
+
+/**
+Maintain the logic of Ncm data channel
+*/
+NONSHARABLE_CLASS(CNcmDataInterface) : public CActive
+ {
+public:
+ static CNcmDataInterface* NewL(MNcmDataObserver& aEngine, RDevUsbcScClient& aLdd);
+ ~CNcmDataInterface();
+
+ inline TBool IsStarted() const;
+ void Start();
+ void Stop();
+ TInt Send(RMBufChain& aPacket);
+
+ TInt GetSpeed(TInt& aSpeed);
+ TInt GetNtbInputSize(TDes8& aSize);
+ TInt SetNtbInputSize(TDesC8& aSize);
+ TInt GetNtbParam(TDes8& aParam);
+ TInt SetInEpBufferSize(TUint aSize);
+
+ void ActivateLdd();
+ inline void DataError(TInt aErroCode) const;
+ inline void ResumeSending() const;
+ inline void ProcessDatagram(RMBufPacket& aPacket) const;
+ inline TInt AltSetting() const;
+
+private:
+ CNcmDataInterface(MNcmDataObserver& aEngine, RDevUsbcScClient& aLdd);
+ void ConstructL();
+
+ //From CActive
+ void RunL();
+ void DoCancel();
+
+private:
+ TBool iStarted;
+ CNcmDataSender* iSender;
+ CNcmDataReceiver* iReceiver;
+ MNcmDataObserver& iEngine;
+
+ RDevUsbcScClient& iLdd;
+ TInt iAltSetting;
+ TUint iIfState;
+ };
+
+// inline functions
+#include "ncmdatainterface.inl"
+
+#endif // NCMDATAINTERFACE_H