NDIS_STATUS
DriverEntry(
IN PDRIVER_OBJECT DriverObject,
IN PUNICODE_STRING RegistryPath )
{
NDIS_FILTER_DRIVER_CHARACTERISTICS FilterCharacteristics;
NDIS_STATUS NdisStatus;
DPF(("%s!%s DriverObject=%p RegistryPath=%wZ\n", __MODULE__, __FUNCTION__,
DriverObject, RegistryPath ));
DriverObject->DriverUnload = DriverUnload;
GlobalNDISLWF.FilterDriverHandle = NULL;
// Setup the FilterCharacteristics structure
// Handlers implemented by the driver are :
// AttachHandler, DetachHandler, RestartHandler, PauseHandler, StatusHandler
// ReceiveNetBufferListsHandler, ReturnNetBufferListsHandler
NdisZeroMemory(&FilterCharacteristics, sizeof(NDIS_FILTER_DRIVER_CHARACTERISTICS));
FilterCharacteristics.Header.Type = NDIS_OBJECT_TYPE_FILTER_DRIVER_CHARACTERISTICS;
FilterCharacteristics.Header.Size = sizeof(NDIS_FILTER_DRIVER_CHARACTERISTICS);
FilterCharacteristics.Header.Revision = NDIS_FILTER_CHARACTERISTICS_REVISION_1;
FilterCharacteristics.MajorNdisVersion = NDISLWF_NDIS_MAJOR_VERSION;
FilterCharacteristics.MinorNdisVersion = NDISLWF_NDIS_MINOR_VERSION;
FilterCharacteristics.MajorDriverVersion = NDISLWF_DRIVER_MAJOR_VERSION;
FilterCharacteristics.MinorDriverVersion = NDISLWF_DRIVER_MINOR_VERSION;
FilterCharacteristics.Flags = 0;
NdisInitUnicodeString ( &FilterCharacteristics.FriendlyName, NDISLWF_FRIENDLY_NAME );
NdisInitUnicodeString ( &FilterCharacteristics.UniqueName, NDISLWF_UNIQUE_NAME);
NdisInitUnicodeString ( &FilterCharacteristics.ServiceName, NDISLWF_SERVICE_NAME);
FilterCharacteristics.AttachHandler = NDISLWF_AttachHandler;
FilterCharacteristics.DetachHandler = NDISLWF_DetachHandler;
FilterCharacteristics.RestartHandler = NDISLWF_RestartHandler;
FilterCharacteristics.PauseHandler = NDISLWF_PauseHandler;
FilterCharacteristics.StatusHandler = NDISLWF_StatusHandler;
FilterCharacteristics.ReceiveNetBufferListsHandler = NDISLWF_ReceiveNetBufferListsHandler;
FilterCharacteristics.ReturnNetBufferListsHandler = NDISLWF_ReturnNetBufferListsHandler;
// Register the filter driver using the FilterCharacteristics structure
// NdisFRegisterFilterDriver())
NdisStatus = NdisFRegisterFilterDriver(
DriverObject,
(NDIS_HANDLE)DriverObject, // no driver-wide context
&FilterCharacteristics,
&GlobalNDISLWF.FilterDriverHandle);
if (NdisStatus != NDIS_STATUS_SUCCESS) {
DPF(("%s!%s NdisFRegisterFilterDriver() FAIL=%08x\n", __MODULE__, __FUNCTION__, NdisStatus));
goto Exit1;
}
DPF(("%s!%s NdisFRegisterFilterDriver() FilterDriverHandle=%p\n", __MODULE__, __FUNCTION__,
GlobalNDISLWF.FilterDriverHandle ));
Exit1 :
return NdisStatus;
}
/*
* --------------------------------------------------------------------------
* Init/Load function for the OVSEXT filter Driver.
* --------------------------------------------------------------------------
*/
NTSTATUS
DriverEntry(PDRIVER_OBJECT driverObject,
PUNICODE_STRING registryPath)
{
NDIS_STATUS status;
NDIS_FILTER_DRIVER_CHARACTERISTICS driverChars;
UNREFERENCED_PARAMETER(registryPath);
gOvsExtDriverObject = driverObject;
RtlZeroMemory(&driverChars, sizeof driverChars);
driverChars.Header.Type = NDIS_OBJECT_TYPE_FILTER_DRIVER_CHARACTERISTICS;
driverChars.Header.Size = sizeof driverChars;
driverChars.Header.Revision = NDIS_FILTER_CHARACTERISTICS_REVISION_2;
driverChars.MajorNdisVersion = NDIS_FILTER_MAJOR_VERSION;
driverChars.MinorNdisVersion = NDIS_FILTER_MINOR_VERSION;
driverChars.MajorDriverVersion = 1;
driverChars.MinorDriverVersion = 0;
driverChars.Flags = 0;
RtlInitUnicodeString(&driverChars.ServiceName, ovsExtServiceName);
RtlInitUnicodeString(&ovsExtFriendlyNameUC, ovsExtFriendlyName);
RtlInitUnicodeString(&ovsExtGuidUC, ovsExtGuidStr);
driverChars.FriendlyName = ovsExtFriendlyNameUC;
driverChars.UniqueName = ovsExtGuidUC;
driverChars.AttachHandler = OvsExtAttach;
driverChars.DetachHandler = OvsExtDetach;
driverChars.RestartHandler = OvsExtRestart;
driverChars.PauseHandler = OvsExtPause;
driverChars.SendNetBufferListsHandler = OvsExtSendNBL;
driverChars.SendNetBufferListsCompleteHandler = OvsExtSendNBLComplete;
driverChars.CancelSendNetBufferListsHandler = OvsExtCancelSendNBL;
driverChars.ReceiveNetBufferListsHandler = NULL;
driverChars.ReturnNetBufferListsHandler = NULL;
driverChars.OidRequestHandler = OvsExtOidRequest;
driverChars.OidRequestCompleteHandler = OvsExtOidRequestComplete;
driverChars.CancelOidRequestHandler = OvsExtCancelOidRequest;
driverChars.DevicePnPEventNotifyHandler = NULL;
driverChars.NetPnPEventHandler = OvsExtNetPnPEvent;
driverChars.StatusHandler = NULL;
driverObject->DriverUnload = OvsExtUnload;
status = NdisFRegisterFilterDriver(driverObject,
(NDIS_HANDLE) gOvsExtDriverObject,
&driverChars, &gOvsExtDriverHandle);
if (status != NDIS_STATUS_SUCCESS) {
return status;
}
/* Create the communication channel for usersapce. */
status = OvsCreateDeviceObject(gOvsExtDriverHandle);
if (status != NDIS_STATUS_SUCCESS) {
NdisFDeregisterFilterDriver(gOvsExtDriverHandle);
gOvsExtDriverHandle = NULL;
}
return status;
}
//
// DriverEntry
// http://msdn.microsoft.com/en-us/library/ff544113(v=VS.85).aspx
//
_Use_decl_annotations_
NTSTATUS
DriverEntry(
PDRIVER_OBJECT DriverObject,
PUNICODE_STRING RegistryPath
)
{
NDIS_STATUS status;
NDIS_FILTER_DRIVER_CHARACTERISTICS fChars;
NDIS_STRING serviceName;
UNREFERENCED_PARAMETER(RegistryPath);
//
// Initialize extension specific data.
//
status = SxExtInitialize();
if (status != NDIS_STATUS_SUCCESS)
{
goto Cleanup;
}
RtlInitUnicodeString(&serviceName, SxExtServiceName);
RtlInitUnicodeString(&SxExtensionFriendlyName, SxExtFriendlyName);
RtlInitUnicodeString(&SxExtensionGuid, SxExtUniqueName);
SxDriverObject = DriverObject;
NdisZeroMemory(&fChars, sizeof(NDIS_FILTER_DRIVER_CHARACTERISTICS));
fChars.Header.Type = NDIS_OBJECT_TYPE_FILTER_DRIVER_CHARACTERISTICS;
fChars.Header.Size = sizeof(NDIS_FILTER_DRIVER_CHARACTERISTICS);
fChars.Header.Revision = NDIS_FILTER_CHARACTERISTICS_REVISION_2;
fChars.MajorNdisVersion = SxExtMajorNdisVersion;
fChars.MinorNdisVersion = SxExtMinorNdisVersion;
fChars.MajorDriverVersion = 1;
fChars.MinorDriverVersion = 0;
fChars.Flags = 0;
fChars.FriendlyName = SxExtensionFriendlyName;
fChars.UniqueName = SxExtensionGuid;
fChars.ServiceName = serviceName;
fChars.SetOptionsHandler = SxNdisSetOptions;
fChars.SetFilterModuleOptionsHandler = SxNdisSetFilterModuleOptions;
fChars.AttachHandler = SxNdisAttach;
fChars.DetachHandler = SxNdisDetach;
fChars.PauseHandler = SxNdisPause;
fChars.RestartHandler = SxNdisRestart;
fChars.SendNetBufferListsHandler = SxNdisSendNetBufferLists;
fChars.SendNetBufferListsCompleteHandler = SxNdisSendNetBufferListsComplete;
fChars.CancelSendNetBufferListsHandler = SxNdisCancelSendNetBufferLists;
fChars.ReceiveNetBufferListsHandler = SxNdisReceiveNetBufferLists;
fChars.ReturnNetBufferListsHandler = SxNdisReturnNetBufferLists;
fChars.OidRequestHandler = SxNdisOidRequest;
fChars.OidRequestCompleteHandler = SxNdisOidRequestComplete;
fChars.CancelOidRequestHandler = SxNdisCancelOidRequest;
fChars.NetPnPEventHandler = SxNdisNetPnPEvent;
fChars.StatusHandler = SxNdisStatus;
NdisAllocateSpinLock(&SxExtensionListLock);
InitializeListHead(&SxExtensionList);
DriverObject->DriverUnload = SxNdisUnload;
status = NdisFRegisterFilterDriver(DriverObject,
(NDIS_HANDLE)SxDriverObject,
&fChars,
&SxDriverHandle);
Cleanup:
if (status != NDIS_STATUS_SUCCESS)
{
if (SxDriverHandle != NULL)
{
NdisFDeregisterFilterDriver(SxDriverHandle);
SxDriverHandle = NULL;
}
NdisFreeSpinLock(&SxExtensionListLock);
SxExtUninitialize();
}
return status;
}