driver.cpp

网络控制器dm9000的wince5.0驱动源码

	
NDIS_STATUS NIC_DRIVER_OBJECT::DriverSetInformation(
	IN NDIS_OID		Oid,
	IN PVOID		InfoBuffer, 
	IN ULONG		InfoBufferLength, 
	OUT PULONG		BytesRead,
	OUT PULONG		BytesNeeded)
{
	NDIS_STATUS	status = NDIS_STATUS_SUCCESS;

	// pass to lower object, to see if it can handle this request,
	// if it can, return TRUE and set status.
	if(m_pLower->DeviceSetInformation(
		&status,
		Oid,
		InfoBuffer,
		InfoBufferLength,
		BytesRead,
		BytesNeeded)) return status;

	switch (Oid)
	{
		HANDLE_SET( OID_GEN_CURRENT_PACKET_FILTER,sizeof(U32));
		
		case OID_802_3_MULTICAST_LIST:
			NdisMoveMemory(
				&m_pLower->m_szMulticastList[0][0],
				InfoBuffer,
				InfoBufferLength);
			m_pLower->m_nMulticasts = 
				InfoBufferLength / ETH_ADDRESS_LENGTH;
			m_pLower->DeviceOnSetupFilter(
				m_pLower->m_szCurrentSettings[SID_GEN_CURRENT_PACKET_FILTER]
				| NDIS_PACKET_TYPE_MULTICAST);
			break;

		// don't care oids
		case OID_GEN_CURRENT_LOOKAHEAD:
			break;

		case OID_GEN_NETWORK_LAYER_ADDRESSES:
		default:
			status = NDIS_STATUS_INVALID_OID;
		
	} // of switch Oid
	
	return status;
}

void	NIC_DRIVER_OBJECT::DriverEnableInterrupt(void)
{
	m_pLower->DeviceEnableInterrupt();
}

void	NIC_DRIVER_OBJECT::DriverDisableInterrupt(void)
{
	m_pLower->DeviceDisableInterrupt();
}

BOOL	NIC_DRIVER_OBJECT::DriverCheckForHang(void)
{
	if(m_bSystemHang) return TRUE;
	return m_pLower->DeviceCheckForHang();
}

VOID	NIC_DRIVER_OBJECT::DriverHalt(void)
{
	m_pLower->DeviceHalt();
}

NDIS_STATUS NIC_DRIVER_OBJECT::DriverReset(
	OUT PBOOLEAN	pbAddressingReset)
{
	// Reset activities
	// 1. Abort all current tx and rx.
	// 2. Cleanup waiting and standby queues.
	// 3. Re-init tx and rx descriptors.
	// 4. Softreset MAC, PHY and set registers angain.

	*pbAddressingReset = TRUE;
#ifndef	IMPL_RESET
	return	NDIS_STATUS_SUCCESS;
#endif

	m_pLower->DeviceReset();
	DriverStart();
	m_bSystemHang = 0;
	m_bOutofResources = 0;
	return NDIS_STATUS_SUCCESS;
}

NDIS_STATUS	NIC_DRIVER_OBJECT::DriverSend(
	IN PNDIS_PACKET	pPacket,
	IN UINT			uFlags)
{
#if !defined(IMPL_TX_QUEUE)
	
	if(!m_pLower->DeviceQueryTxResources())
		return NDIS_STATUS_RESOURCES;
	
#endif

	PCQUEUE_GEN_HEADER	pobj;
	
	if(!(pobj = m_TQueue.Dequeue())) 
	{
		m_bOutofResources = 1;
		DEBUG_PRINT((TEXT("<DM9:m_bOutofResources\n")));
		return NDIS_STATUS_RESOURCES;
	}
	
	PNDIS_BUFFER	pndisFirstBuffer;
	UINT			uPhysicalBufferCount;
	UINT			uBufferCount;
	UINT			uTotalPacketLength;

	PNDIS_BUFFER	pndisCurrBuffer;
	PU8		pcurr = (PU8)CQueueGetUserPointer(pobj);

	PVOID	ptrBuffer;
	UINT	nBuffer;
	U32		idx,check;

	NdisQueryPacket(
		pPacket, 
		&uPhysicalBufferCount, 
		&uBufferCount,
		&pndisFirstBuffer,
        &uTotalPacketLength);

    if (uTotalPacketLength > ETH_MAX_FRAME_SIZE) {
        return NDIS_STATUS_FAILURE;
    }

	uPhysicalBufferCount &= 0xFFFF;

	for(idx=0,check=0,pndisCurrBuffer=pndisFirstBuffer;
		idx < uBufferCount;
		idx++, pndisCurrBuffer = pndisCurrBuffer->Next)
	{
		NdisQueryBuffer(
			pndisCurrBuffer,
			&ptrBuffer,
			&nBuffer);

		if(!nBuffer) continue;
		
		NdisMoveMemory(pcurr, ptrBuffer, nBuffer);
		pcurr += nBuffer;
		check += nBuffer;
        
	} // of for gathering buffer

	if(uTotalPacketLength != check) return NDIS_STATUS_FAILURE;


	pobj->pPacket = (PVOID)pPacket;
	pobj->uFlags = uFlags;
	pobj->nLength = uTotalPacketLength;	
	m_pLower->DeviceSend(pobj);
	
#ifdef	IMPL_SEND_INDICATION
	return NDIS_STATUS_PENDING;
#else
	return NDIS_STATUS_SUCCESS;
#endif


}

void	NIC_DRIVER_OBJECT::DriverReceiveIndication(
	int		nCurr,
	PVOID	pVoid,
	int		nLength)
{
	NdisMEthIndicateReceive(
		m_NdisHandle,
		(PNDIS_HANDLE)nCurr,
		(char*)pVoid,
		ETH_HEADER_SIZE,
		((char*)pVoid + ETH_HEADER_SIZE),
		nLength - ETH_HEADER_SIZE,
		nLength - ETH_HEADER_SIZE);
	
	NdisMEthIndicateReceiveComplete(m_NdisHandle);
	return;
}
	
void	NIC_DRIVER_OBJECT::DriverSendCompleted(
	PCQUEUE_GEN_HEADER	pObject)
{

	m_TQueue.Enqueue(pObject);
	
#ifdef	IMPL_SEND_INDICATION

	NdisMSendResourcesAvailable(m_NdisHandle);
	NdisMSendComplete(
				m_NdisHandle,
				(PNDIS_PACKET)(pObject->pPacket),
				NDIS_STATUS_SUCCESS);
#endif
}
	

/********************************************************************************************
 *
 * Trunk Functions
 *
 ********************************************************************************************/

#ifdef	__cplusplus
extern "C" {	// miniport driver trunk functions
#endif

NDIS_STATUS MiniportInitialize(
	OUT PNDIS_STATUS OpenErrorStatus,
	OUT PUINT SelectedMediaIndex, 
	IN PNDIS_MEDIUM MediaArray, 
	IN UINT MediaArraySize,
    IN NDIS_HANDLE MiniportHandle, 
	IN NDIS_HANDLE WrapperConfigHandle)
{
	
	PUTS(("<DM9:++MiniportIntialize>\n"));


	NIC_DRIVER_OBJECT	*pnic;

	if(!(pnic = new NIC_DRIVER_OBJECT(
		MiniportHandle,WrapperConfigHandle)))	
		return	NDIS_STATUS_FAILURE;

	C_Exception	*pexp;
	TRY
	{
		pnic->EDriverInitialize(
			OpenErrorStatus,
			SelectedMediaIndex, 
			MediaArray, 
			MediaArraySize);

		pnic->DriverStart();	

		FI;
	}
	CATCH(pexp)
	{
		pexp->PrintErrorMessage();
		CLEAN(pexp);
		delete pnic;
		return NDIS_STATUS_FAILURE;
	}
	
	PUTS(("<DM9:--MiniportInitialize>\n"));
	return NDIS_STATUS_SUCCESS;
}

void MiniportISRHandler(
		OUT PBOOLEAN InterruptRecognized, 
		OUT PBOOLEAN QueueInterrupt,
		IN  NDIS_HANDLE MiniportContext)
{
	((NIC_DRIVER_OBJECT*)MiniportContext)->DriverIsr(
		InterruptRecognized,
		QueueInterrupt);
}

VOID	MiniportInterruptHandler(
	IN NDIS_HANDLE  MiniportContext)
{
	((NIC_DRIVER_OBJECT*)MiniportContext)->DriverInterruptHandler();
}

NDIS_STATUS MiniportQueryInformation(
	IN NDIS_HANDLE	MiniportContext,
	IN NDIS_OID		Oid,
	IN PVOID		InfoBuffer, 
	IN ULONG		InfoBufferLength, 
	OUT PULONG		BytesWritten,
	OUT PULONG		BytesNeeded)
{
	return ((NIC_DRIVER_OBJECT*)MiniportContext)->DriverQueryInformation(
			Oid,
			InfoBuffer, 
			InfoBufferLength, 
			BytesWritten,
			BytesNeeded);
}

NDIS_STATUS MiniportSetInformation(
	IN NDIS_HANDLE	MiniportContext, 
	IN NDIS_OID		Oid,
	IN PVOID		InfoBuffer, 
	IN ULONG		InfoBufferLength, 
	OUT PULONG		BytesRead,
	OUT PULONG		BytesNeeded)
{
	return ((NIC_DRIVER_OBJECT*)MiniportContext)->DriverSetInformation(
			Oid,
			InfoBuffer, 
			InfoBufferLength, 
			BytesRead,
			BytesNeeded);
}

VOID	MiniportEnableInterrupt(
	IN NDIS_HANDLE  MiniportContext)
{
	((NIC_DRIVER_OBJECT*)MiniportContext)->DriverEnableInterrupt();
}

VOID	MiniportDisableInterrupt(
	IN NDIS_HANDLE  MiniportContext)
{
	((NIC_DRIVER_OBJECT*)MiniportContext)->DriverDisableInterrupt();
}

BOOLEAN	MiniportCheckForHang(
	IN NDIS_HANDLE  MiniportContext)
{
	return ((NIC_DRIVER_OBJECT*)MiniportContext)->DriverCheckForHang();
}
 
VOID	MiniportHalt(
	IN NDIS_HANDLE  MiniportContext)
{
	((NIC_DRIVER_OBJECT*)MiniportContext)->DriverHalt();
}
 

NDIS_STATUS MiniportReset(
    OUT PBOOLEAN  AddressingReset,
    IN NDIS_HANDLE  MiniportContext)
{
	return ((NIC_DRIVER_OBJECT*)MiniportContext)->DriverReset(AddressingReset);
}

NDIS_STATUS	MiniportSend(
	IN NDIS_HANDLE	MiniportContext,
	IN PNDIS_PACKET	Packet,
	IN UINT			Flags)
{
	return ((NIC_DRIVER_OBJECT*)MiniportContext)->DriverSend(Packet,Flags);
}



#ifdef	__cplusplus   
}	// of miniport trunk functions
#endif
/********************************************************************************************
 *
 * DriverEntry
 *
 ********************************************************************************************/

extern "C" NTSTATUS DriverEntry(
	IN PDRIVER_OBJECT	pDriverObject, 
	IN PUNICODE_STRING	pRegistryPath)
{
	NDIS_STATUS		status;
	NDIS_HANDLE		hwrapper;
	NDIS40_MINIPORT_CHARACTERISTICS	ndischar;


	PUTS(("<Davicom DM9000/9000A/9010 driver v3.2.9 for WinCE 5.0>\r\n"));

	NdisMInitializeWrapper(
		&hwrapper, 
		pDriverObject,
		pRegistryPath,
		NULL);

	memset((void*)&ndischar,0,sizeof(ndischar));
    
    ndischar.Ndis30Chars.MajorNdisVersion = PRJ_NDIS_MAJOR_VERSION;
	ndischar.Ndis30Chars.MinorNdisVersion = PRJ_NDIS_MINOR_VERSION;
    
	ndischar.Ndis30Chars.InitializeHandler = MiniportInitialize;
    ndischar.Ndis30Chars.ResetHandler      = MiniportReset;
    ndischar.Ndis30Chars.CheckForHangHandler = MiniportCheckForHang;
    ndischar.Ndis30Chars.HaltHandler         = MiniportHalt;
    ndischar.Ndis30Chars.HandleInterruptHandler   = MiniportInterruptHandler;
    ndischar.Ndis30Chars.ISRHandler               = MiniportISRHandler;
    ndischar.Ndis30Chars.QueryInformationHandler  = MiniportQueryInformation;
    ndischar.Ndis30Chars.SetInformationHandler	  = MiniportSetInformation;
    ndischar.Ndis30Chars.SendHandler              = MiniportSend;


	if((status = NdisMRegisterMiniport(
		hwrapper,
		(PNDIS_MINIPORT_CHARACTERISTICS)&ndischar,
		sizeof(ndischar)) != NDIS_STATUS_SUCCESS))
	{
		NdisTerminateWrapper(hwrapper,NULL);
		return status;
	}


#ifndef	IMPL_DLL_ENTRY	
	INIT_EXCEPTION();
#endif

    return NDIS_STATUS_SUCCESS;

}