testtoolsconn/wintap/src/ethertap.cpp
changeset 0 3da2a79470a7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testtoolsconn/wintap/src/ethertap.cpp	Mon Mar 08 15:04:18 2010 +0800
@@ -0,0 +1,761 @@
+/*
+* Copyright (c) 2005-2009 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 wins/specific/ethernet.cpp
+ * PDD for the Ethernet under the windows emulator
+ */
+
+#include <e32cmn.h>
+
+#include "wintap.h"
+
+#ifdef _WIN32_WINNT
+#undef _WIN32_WINNT
+#endif
+
+#include <ethernet.h>
+#include <nk_priv.h>
+#include <nk_plat.h>
+#include <property.h>
+
+#define OUTPUT_ERROR(_x)	//OutputError(_x)
+/*
+void  OutputError(const char * aErrString)
+    {
+    unsigned long	error;
+    TCHAR*	Buffer[512];
+	
+    error = GetLastError();
+	
+    FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,NULL,error,LANG_NEUTRAL,Buffer,256,NULL);
+	
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("%S", aErrString));
+    __KTRACE_OPT(KHARDWARE, Kern::Printf(" -> "));
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("%S", Buffer));
+	}
+*/
+
+/** @addtogroup enet Ethernet Drivers
+ *  Kernel Ethernet Support
+ */
+
+/** @addtogroup enet_pdd Driver PDD's
+ * @ingroup enet
+ */
+
+/** @addtogroup enet_byplatform Ethernet support by platform
+ * @ingroup enet
+ */
+
+/** @addtogroup enet_wins WINS (Emulator) Ethernet support
+ * @ingroup enet_byplatform
+ */
+
+
+// strings potentially written to epoc.ini by netcards.exe
+#define	KEpocIniEthSpeed10Mbps	"10Mbps"
+#define	KEpocIniEthSpeed100Mbps	"100Mbps"
+
+// entries in epoc.ini file:
+#define	KEpocIniEthSpeedEntry	"ETHER_SPEED"
+#define	KEpocIniEthNIFEntry	"ETHER_NIF"
+#define	KEpocIniEthMACEntry	"ETHER_MAC"
+
+#define KEthDrvPanicCategory "D32ETHER"
+
+#define KLocalDriverNameMax				256
+
+// Figure this out later
+_LIT(KPddName, "Ethernet.Wins");
+
+// needs ldd version..
+const TInt KMinimumLddMajorVersion=1;
+const TInt KMinimumLddMinorVersion=0;
+const TInt KMinimumLddBuild=122;
+
+/** @addtogroup enet_windows Windows Emulator Ethernet Pdd
+ * @ingroup enet_pdd
+ * @ingroup enet_wins
+ * @{
+ */
+
+/**
+ * The Windows specific Ethernet physical device (factory) class 
+ * @internalTechnology belongs to PDD which sits internally in kernel 
+ */
+class DDriverEthernet : public DPhysicalDevice
+    {
+public:
+
+    /**
+     * The constructor
+     * Sets the drivers version number. Limits possible
+	 * number of units to one only (unit 0)
+     */
+    DDriverEthernet();
+
+    /**
+     * Inherited from DPhysicalDevice.
+	 * Install the driver by setting it's name
+	 * @return KErrNone on success, other error code on failure
+     */
+    virtual TInt Install();
+
+    /**
+     * Inherited from DPhysicalDevice.
+	 * Get the Capabilites of the driver
+     * NOT supported but required as implementation of
+	 * pure virtual in base class
+     */
+    virtual void GetCaps(TDes8 &aDes) const;
+
+    /**
+     * Inherited from DPhysicalDevice.
+	 * Create a channel to a device
+	 * @param aChannel a reference to a newly created channel object
+	 * @param aUnit a unit for which the channel is being created
+	 * @param anInfo pointer to a descriptor with additional info (may be NULL)
+	 * @param aVer a requested version
+     * @return KErrNone on success, other error code on failure
+     */
+    virtual TInt Create(DBase*& aChannel, TInt aUnit, 
+						const TDesC8* anInfo, const TVersion &aVer);
+
+    /**
+     * Inherited from DPhysicalDevice.
+	 * Validate that the info supplied would create a valid channel
+	 * @param aUnit a unit for which validation is not used
+	 * @param anInfo pointer to a descriptor with additional info (may be NULL)
+	 * @param aVer a version to be validated
+     * @return KErrNone if valid, KErrNotSupported otherwise
+	 */
+    virtual TInt Validate(TInt aUnit, const TDesC8* anInfo, const TVersion &aVer);
+	};
+
+
+/**
+ * The WINS specific Ethernet channel class for the libpcap library
+ * @internalTechnology belongs to PDD which sits internally in kernel 
+ */
+class DEthernetWins : public DEthernet
+    {
+    friend void Isr(void const* aObject, TInt aErr, u_char* pkt_data, DWORD* aLength);
+
+public:
+
+	enum TWinsEtherPanic
+	{
+	EBadMacAddress = 1, // means bad MAC address in ini file or entry for it missing or ini file missing
+	ENoNetInterface, // means entry for network interface name missing in ini file or ini file missing
+	EPcapNull	// means Wpcap couldn't be initialised - potentially not installed or name of network interface in ini file wrong
+	};
+
+    /**
+     * The Constructor.
+     */
+    DEthernetWins();
+
+    /**
+     * The Destructor.
+     */
+    ~DEthernetWins();
+
+    /**
+     * The DoCreate Method.
+     * Sets up the channel as part of the object creation
+     * and retrieves the MAC address from epoc.ini file.
+	 * Also creates wpcap handler and thread for wpcap loop.
+	 * @pre epoc32\\data\\epoc.ini must exist with entries: "ETHER-NIF=..", "ETHER-MAC=..", "ETHER-SPEED=.."
+	 * @param aUnit a unit for which the channel is being created
+	 * @panic D32ETHER reason: (1) can't get proper MAC address (2) can't get
+	 * network interface name (3) can't initialise wpcap
+	 * @return KErrNone on success, other error code on failure
+	 */
+    TInt DoCreate(TInt aUnit); 
+
+    /**
+     * DEthernet implementation.
+	 * Start the receiver.
+     * Resumes pcap thread. Sets status to ready.
+	 * @return KErrNone on success or suitable error code on failure
+     */
+    virtual TInt Start();
+
+    /**
+     * DEthernet implementation.
+	 * Stop the receiver.
+     * @param aMode possible values are: EStopNormal (=0), EStopEmergency (=1)
+	 * @post pcap thread suspended, status set to not ready
+     */
+    virtual void Stop(TStopMode aMode);
+
+    /**
+     * DEthernet implementation.
+	 * Validates a new configuration - should be called before Configure()
+     * @param aConfig is the configuration to be validated
+     * @return KErrNone if aConfig valid, KErrNotSupported otherwise
+     * @see Configure()
+     */
+    virtual TInt ValidateConfig(const TEthernetConfigV01 &aConfig) const;
+
+    /**
+     * DEthernet implementation.
+	 * Configure the PDD and pcap library
+     * Reconfigure the library using the new configuration supplied.
+	 * Sets pcap filter to read only frames with destination address set to
+	 * broadcast, multicast or MAC addresss from defaultConfig.
+     * This will not change the MAC address.
+     * @param aConfig The new configuration
+	 * @return KErrNone on success, suitable error code otherwise
+     * @see ValidateConfig()
+     * @see MacConfigure()
+     */
+    virtual TInt Configure(TEthernetConfigV01 &aConfig);
+
+    /**
+     * DEthernet implementation.
+	 * Change the MAC address - writes new MAC address in defaultConfig.
+	 * If new settings are to have any effect then pcap filter
+	 * ought to be set again which is done by 'Configure()'
+	 * @param aConfig a configuration structure containing the new MAC
+     * @see Configure()
+     */
+    virtual void MacConfigure(TEthernetConfigV01 &aConfig);
+
+	/**
+     * DEthernet implementation.
+	 * Get the current config from defaultConfig member varaiable
+	 * which is assumed to be up to date.
+     * Fills in the following fields:
+     * The Transmit Speed
+     * The Duplex Setting
+     * The MAC address
+     * @param aConfig is a TEthernetConfigV01 reference that will be filled in
+     */
+    virtual void GetConfig(TEthernetConfigV01 &aConfig) const;
+
+	/**
+     * DEthernet implementation.
+	 * Dummy method, required as pure virtual in base class
+     */
+    virtual void CheckConfig(TEthernetConfigV01 &aConfig);
+
+	/**
+     * DEthernet implementation.
+	 * Should query the capabilites.
+     * NOT supported but required as pure virtual in base class
+     */
+    virtual void Caps(TDes8 &aCaps) const;
+
+    /**
+     * DEthernet implementation.
+	 * Transmit data via wpcap
+     * @param aBuffer reference to the data to be sent
+     * @return KErrNone on success, other error code on failure
+     */
+    virtual TInt Send(TBuf8<KMaxEthernetPacket+32> &aBuffer);
+
+    /**
+     * DEthernet implementation.
+	 * Retrieve data
+     * Pull the received data out of the pcap library and into the supplied buffer. 
+     * Need to be told if the buffer is OK 
+     * @param aBuffer Reference to the buffer to be used to store the data in
+     * @param okToUse Bool to indicate if the buffer is usable
+     * @return KErrNone on success, other error code on failure
+     */
+    virtual TInt ReceiveFrame(TBuf8<KMaxEthernetPacket+32> &aBuffer, TBool okToUse);
+
+	/**
+     * DEthernet implementation.
+	 * Disables all IRQ's 
+     * @return The IRQ level before it was changed
+     * @see RestoreIrqs()
+     */
+    virtual TInt DisableIrqs();
+
+    /**
+     * DEthernet implementation.
+	 * Restore the IRQ's to the supplied level
+	 * @param aIrq The level to set the irqs to.
+     * @see DisableIrqs()
+     */
+    virtual void RestoreIrqs(TInt aIrq);
+
+	/**
+     * DEthernet implementation.
+	 * Return the DFC Queue that this device should use
+     * @param aUnit a channel's unit number (ignored - only one unit possible)
+     * @return a DFC Queue to use
+     */
+    virtual TDfcQue* DfcQ(TInt aUnit);
+		
+private:
+
+	/**
+     * Read network interface to be used from configuration file. Panic if
+	 * pre-conditions are not satisfied.
+	 * @pre epoc32\\data\\epoc.ini must exist with entry: "ETHER-NIF=existing_nif_name"
+	 * @post network interface name put in a member variable: iNetInterfaceName
+	 * @panic D32ETHER reason: (2) can't get network interface name 
+     */
+	void  SetDriverName();
+
+	/**
+	 * Read MAC address from a configuration file and put it
+	 * into defaultConfig member variable checking before if the
+	 * one from the file is correct. Panic if pre-conditions are not satisfied
+	 * (although in case when MAC address is improper).
+	 * @pre epoc32\\data\\epoc.ini must exist with entry: "ETHER-MAC=proper_mac_address"
+	 * @panic D32ETHER reason: (3) can't initialise wpcap
+	 * @return KErrNone on success (panics on failure)
+	 */
+	TInt GetIfName();
+
+private:
+
+	HANDLE				iWinTapHandle;
+
+	PACKET 				iWritePacket;
+	PACKET				iReadPacket;
+   /**
+     * Id of the receiver - wpcap thread
+     */
+    unsigned long iWorkerThreadId;
+
+	/**
+     * Contains the handle to wpcap thread. 
+     */
+	HANDLE				iThreadHandle;
+
+    /**
+     * Stores the unit number (only one interface possible in 
+	 * this implementation, so it will have value "0")
+     */
+    TInt  iUnit;
+	
+    /**
+     * Is ETrue if the chip has been fully configured and is ready
+	 * for receiving frames. Is set to ETrue in Start(), to EFalse
+	 * in Stop(). Initialized in constructor as EFalse.
+     */
+    TBool iReady;
+
+    /**
+     * Contains the default/current configuration of the driver.
+	 * Updated whenever configuration is to be changed.
+     */
+    TEthernetConfigV01 defaultConfig;
+
+	/**
+     * Contains the network interface name to be used 
+	 * @see SetDriverName()
+     */
+	char	iNetInterfaceName[KLocalDriverNameMax];
+    };
+
+/** @} */ // End of wins ethernet pdd
+
+
+ 
+DDriverEthernet::DDriverEthernet()
+// Constructor
+    {
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("DDriverEthernet::DDriverEthernet()"));
+    iUnitsMask=0x1;	// support unit 0 only
+    iVersion=TVersion(KEthernetMajorVersionNumber,
+                      KEthernetMinorVersionNumber,
+                      KEthernetBuildVersionNumber);
+	
+	}
+
+
+TInt DDriverEthernet::Install()
+// Install the driver
+    {
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("DDriverEthernet::Install()"));
+    return SetName(&KPddName);
+    }
+
+
+void GetWinsEthernetsCaps(TDes8 &aCaps, TInt aUnit=0)
+    {
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("GetWinsEthernetsCaps(TDes8 &aCaps, TInt aUnit)"));
+    TEthernetCaps capsBuf;
+	
+	aUnit=0;
+
+    aCaps.FillZ(aCaps.MaxLength());
+    aCaps=capsBuf.Left(Min(capsBuf.Length(),aCaps.MaxLength()));
+    }
+
+void PanicFromWinsEtherDrv(TInt aReason)
+	{
+	Kern::Fault(KEthDrvPanicCategory, aReason);
+	}
+
+void DDriverEthernet::GetCaps(TDes8 &aDes) const
+// Return the driver's capabilities
+    {
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("DDriverEthernet::GetCaps(TDes8 &aDes) const"));
+    GetWinsEthernetsCaps(aDes);	
+    }
+
+
+TInt DDriverEthernet::Create(DBase*& aChannel, 
+                             TInt aUnit, 
+                             const TDesC8* aInfo, 
+                             const TVersion& aVer)
+// Create a driver
+    {
+    __KTRACE_OPT(KHARDWARE, 
+		Kern::Printf("DDriverEthernet::Create(DBase*& aChannel, TInt aUnit, const TDesC8* nInfo, const TVersion& aVer)"));
+	
+    TInt ret;
+
+	ret = Validate( aUnit, aInfo, aVer);
+	if ( KErrNone != ret )
+		return ret;
+
+	ret = KErrNoMemory;
+
+	DEthernetWins* ptrPdd = new DEthernetWins;
+	
+	if ( ptrPdd )
+        {
+        ret = ptrPdd->DoCreate(aUnit);
+        if ( ret != KErrNone)
+			{
+            delete ptrPdd;
+			}	
+		else
+			aChannel = ptrPdd;
+        }
+
+	
+    return ret;
+    }
+
+
+TInt DDriverEthernet::Validate(TInt aUnit, 
+                               const TDesC8* /*aInfo*/, 
+                               const TVersion& aVer)
+//	Validate the requested configuration
+    {
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("DDriverEthernet::Validate(TInt aUnit, const TDesC8* /*aInfo*/, const TVersion& aVer)"));
+    if ((!Kern::QueryVersionSupported(iVersion,aVer)) || 
+        (!Kern::QueryVersionSupported(aVer,TVersion(KMinimumLddMajorVersion,
+                                                    KMinimumLddMinorVersion,
+                                                    KMinimumLddBuild))))
+		{
+        return KErrNotSupported;
+		}
+    
+	if (aUnit != 0)
+		{
+        return KErrNotSupported;
+		}
+
+	return KErrNone;
+    }
+
+
+DEthernetWins::DEthernetWins()
+// Constructor
+	{
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("DEthernetWins::DEthernetWins()"));
+
+    iReady = EFalse;
+    
+	// set default configuration - must be set before DoCreate gets called
+	defaultConfig.iEthSpeed  = KEthSpeedUnknown;
+    defaultConfig.iEthDuplex = KEthDuplexUnknown;
+							
+	// MAC address initially set to NULL
+	defaultConfig.iEthAddress[0] = 0; 
+    defaultConfig.iEthAddress[1] = 0; 
+    defaultConfig.iEthAddress[2] = 0; 
+	defaultConfig.iEthAddress[3] = 0; 
+    defaultConfig.iEthAddress[4] = 0; 
+    defaultConfig.iEthAddress[5] = 0; 
+	
+	iNetInterfaceName[0] = '\0';
+	}
+
+TDfcQue* DEthernetWins::DfcQ(TInt /*aUnit*/)
+// Return the DFC queue to be used for this device
+	{
+    __KTRACE_OPT(KHARDWARE, 
+		Kern::Printf("DEthernetWins::DfcQ(TInt )"));
+    return Kern::DfcQue0();
+	}
+
+
+TInt DEthernetWins::Start()
+// Start receiving frames
+	{
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("DEthernetWins::Start()"));
+
+	TInt32 ret;
+	
+	// Start thread
+	// ResumeThread() - from MSDN help:
+	// This function decrements a thread’s suspend count. 
+	// When the suspend count is decremented to zero, 
+	// the execution of the thread is resumed. 
+	// Return value: The thread’s previous suspend count indicates success. 0xFFFFFFFF indicates failure
+	ret = ResumeThread( iThreadHandle );
+	if( (0xFFFFFFFF == ret) )//|| (ret > 1) )
+		return KErrGeneral;
+	
+    iReady = ETrue;
+
+    return KErrNone;
+	}
+
+
+void DEthernetWins::Stop(TStopMode aMode)
+// Stop receiving frames
+	{
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("DEthernetWins::Stop(TStopMode aMode)"));
+
+	
+    switch (aMode)
+		{
+        case EStopNormal:
+        case EStopEmergency:
+			SuspendThread(iThreadHandle);
+			iReady = EFalse;
+			break;
+		default:
+			SuspendThread(iThreadHandle);
+			iReady = EFalse;
+			break;
+		}
+
+	}
+
+
+TInt DEthernetWins::ValidateConfig(const TEthernetConfigV01 &aConfig) const
+// Validate a config structure.
+	{
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("DEthernetWins::ValidateConfig(const TEthernetConfigV01 &aConfig) const"));
+    switch(aConfig.iEthSpeed)
+        {
+        case KEthSpeedUnknown:
+		case KEthSpeedAuto: 
+        case KEthSpeed10BaseT:
+        case KEthSpeed100BaseTX:
+			break;
+        default:		
+        	return KErrNotSupported;
+        }
+
+    switch(aConfig.iEthDuplex)
+        {
+        case KEthDuplexUnknown:
+		case KEthDuplexAuto:
+        case KEthDuplexHalf:
+        case KEthDuplexFull:
+			break;
+        default:
+        	return KErrNotSupported;
+        }
+
+    return KErrNone;
+	}
+
+
+void DEthernetWins::CheckConfig(TEthernetConfigV01& /*aConfig*/)
+// dummy implementation of pure virtual function
+	{
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("DEthernetWins::CheckConfig(TEthernetConfigV01& aConfig)"));
+	}
+
+TInt DEthernetWins::DisableIrqs()
+// Disable normal interrupts
+	{
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("DEthernetWins::DisableIrqs()"));
+    return NKern::DisableInterrupts(1);
+	}
+
+
+void DEthernetWins::RestoreIrqs(TInt aLevel)
+// Restore normal interrupts
+	{
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("DEthernetWins::RestoreIrqs(TInt aLevel)"));
+    NKern::RestoreInterrupts(aLevel);
+	}
+
+
+void DEthernetWins::MacConfigure(TEthernetConfigV01 &aConfig)
+	{
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("DEthernetWins::MacConfigure(TEthernetConfigV01 &aConfig)"));
+    defaultConfig.iEthAddress[0] = aConfig.iEthAddress[0]; 
+	defaultConfig.iEthAddress[1] = aConfig.iEthAddress[1];
+	defaultConfig.iEthAddress[2] = aConfig.iEthAddress[2];
+	defaultConfig.iEthAddress[3] = aConfig.iEthAddress[3];
+	defaultConfig.iEthAddress[4] = aConfig.iEthAddress[4];
+	defaultConfig.iEthAddress[5] = aConfig.iEthAddress[5];
+	}
+
+
+TInt DEthernetWins::Configure(TEthernetConfigV01 & /*aConfig*/)
+// Set a wpcap filter
+	{
+
+	__KTRACE_OPT(KHARDWARE, Kern::Printf("DEthernetWins::Configure(TEthernetConfigV01 &aConfig)"));
+	
+    return KErrNone; 
+	}
+
+
+void DEthernetWins::GetConfig(TEthernetConfigV01 &aConfig) const
+// Get the current config from defaultConfig member
+	{
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("DEthernetWins::GetConfig(TEthernetConfigV01 &aConfig) const"));
+    aConfig = defaultConfig;
+	}
+
+
+void DEthernetWins::Caps(TDes8 &aCaps) const
+// return PDD's capabilites
+    {
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("DEthernetWins::Caps(TDes8 &aCaps) const"));
+    GetWinsEthernetsCaps(aCaps,iUnit); 
+    }
+
+TInt DEthernetWins::ReceiveFrame(TBuf8<KMaxEthernetPacket+32> &aBuffer, TBool okToUse)
+	{
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("DEthernetWins::ReceiveFrame(TBuf8<KMaxEthernetPacket+32> &aBuffer)"));
+
+	// If no buffer available dump frame
+    if(!okToUse)
+		{
+        return KErrGeneral;
+		}
+
+    aBuffer.Copy((u_char*)iReadPacket.Buffer, iReadPacket.Length);
+    aBuffer.SetLength(iReadPacket.Length);
+
+    return KErrNone;
+	}
+
+/**
+ * @addtogroup enet_windows
+ * @{
+ */
+
+/**
+ * Real entry point from the Kernel: return a new driver
+ * (Macro wrapping: EXPORT_C DPhysicalDevice *CreatePhysicalDevice() )
+ */
+DECLARE_STANDARD_PDD()
+	{
+	return new DDriverEthernet;
+	}
+
+/** @} */ // end of windows group
+
+/**
+ *
+ *	The start of most EtherTap specific routines
+ *
+ **/
+
+TInt DEthernetWins::DoCreate(TInt aUnit)//, const TDesC8* /*anInfo*/)
+// Sets up the PDD
+	{
+	__KTRACE_OPT(KHARDWARE, 
+		Kern::Printf("DEthernetWins::DoCreate(TInt aUnit, const TDesC8* /*anInfo*/)"));
+   
+	iUnit = aUnit;
+
+	SetIsr(this, &Isr);
+
+	IP_ADAPTER_INFO adapterinfo;
+
+	TInt ret = InitDriver(iWinTapHandle, iThreadHandle, iWritePacket, adapterinfo);
+
+	const char* speedProperty = Property::GetString(KEpocIniEthSpeedEntry);
+
+	if( (NULL==speedProperty) ? 0 : (0 == strcmp( speedProperty, KEpocIniEthSpeed10Mbps )) )
+		{
+		defaultConfig.iEthSpeed = KEthSpeed10BaseT;
+		}
+	else if ( (NULL==speedProperty) ? 0 : (0 == strcmp( speedProperty, KEpocIniEthSpeed100Mbps )) )
+		{
+		defaultConfig.iEthSpeed = KEthSpeed100BaseTX;
+		}
+	
+    defaultConfig.iEthAddress[0]	= adapterinfo.Address[0];
+    defaultConfig.iEthAddress[1]	= adapterinfo.Address[1];
+    defaultConfig.iEthAddress[2]	= (TUint8)(adapterinfo.Address[2] + 2);
+    defaultConfig.iEthAddress[3]	= adapterinfo.Address[3];
+    defaultConfig.iEthAddress[4]	= adapterinfo.Address[4];
+	defaultConfig.iEthAddress[5]	= adapterinfo.Address[5];
+
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("DEthernetWins::DoCreate %2x:%2x:%2x:%2x:%2x:%2x",
+                                         defaultConfig.iEthAddress[0], 
+                                         defaultConfig.iEthAddress[1],
+                                         defaultConfig.iEthAddress[2], 
+                                         defaultConfig.iEthAddress[3],
+                                         defaultConfig.iEthAddress[4], 
+                                         defaultConfig.iEthAddress[5]));
+
+	return ret;
+	}
+
+DEthernetWins::~DEthernetWins()
+// Destructor
+	{
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("DEthernetWins::~DEthernetWins()"));
+
+	DoClose(iWinTapHandle, iThreadHandle, iWritePacket);
+	}
+
+TInt DEthernetWins::Send(TBuf8<KMaxEthernetPacket+32> &aBuffer)
+	{
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("DEthernetWins::Send(TBuf8<KMaxEthernetPacket+32> &aBuffer)"));
+    iWritePacket.Length = aBuffer.Length();
+    iWritePacket.Buffer = (void *)aBuffer.Ptr();
+
+	return DoSend(iWritePacket, iWinTapHandle);
+	}
+
+void Isr(void const* aObject, TInt aErr, u_char* pkt_data, DWORD* aLength)
+	{
+    __KTRACE_OPT(KHARDWARE, Kern::Printf("DEthernetWins::Isr() with error %d", aErr));
+	
+    //dummy line to avoid warning
+    if(aErr!=KErrNone){};
+    
+	DEthernetWins* eth = (DEthernetWins*)aObject;
+	StartOfInterrupt();
+
+	eth->iReadPacket.Length = *aLength;
+	eth->iReadPacket.Buffer = pkt_data;
+
+    eth->ReceiveIsr();
+	
+	EndOfInterrupt();
+
+    return;
+	}