// IRP_MJ_DEVICE_CONTROL callback.
NTSTATUS
TapDeviceControl(PDEVICE_OBJECT DeviceObject, PIRP Irp)
/*++
Routine Description:
This routine is called by the I/O system to perform a device I/O
control function.
Arguments:
DeviceObject - a pointer to the object that represents the device
that I/O is to be done on.
Irp - a pointer to the I/O Request Packet for this request.
Return Value:
NT status code
--*/
{
NTSTATUS ntStatus = STATUS_SUCCESS; // Assume success
PIO_STACK_LOCATION irpSp; // Pointer to current stack location
PTAP_ADAPTER_CONTEXT adapter = NULL;
ULONG inBufLength; // Input buffer length
ULONG outBufLength; // Output buffer length
PCHAR inBuf, outBuf; // pointer to Input and output buffer
PMDL mdl = NULL;
PCHAR buffer = NULL;
PAGED_CODE();
irpSp = IoGetCurrentIrpStackLocation(Irp);
//
// Fetch adapter context for this device.
// --------------------------------------
// Adapter pointer was stashed in FsContext when handle was opened.
//
adapter = (PTAP_ADAPTER_CONTEXT)(irpSp->FileObject)->FsContext;
ASSERT(adapter);
inBufLength = irpSp->Parameters.DeviceIoControl.InputBufferLength;
outBufLength = irpSp->Parameters.DeviceIoControl.OutputBufferLength;
if (!inBufLength || !outBufLength) {
ntStatus = STATUS_INVALID_PARAMETER;
goto End;
}
//
// Determine which I/O control code was specified.
//
switch (irpSp->Parameters.DeviceIoControl.IoControlCode) {
case TAP_WIN_IOCTL_GET_MAC: {
if (outBufLength >= MACADDR_SIZE) {
ETH_COPY_NETWORK_ADDRESS(Irp->AssociatedIrp.SystemBuffer, adapter->CurrentAddress);
Irp->IoStatus.Information = MACADDR_SIZE;
} else {
NOTE_ERROR();
Irp->IoStatus.Status = ntStatus = STATUS_BUFFER_TOO_SMALL;
}
} break;
case TAP_WIN_IOCTL_GET_VERSION: {
const ULONG size = sizeof(ULONG) * 3;
if (outBufLength >= size) {
((PULONG)(Irp->AssociatedIrp.SystemBuffer))[0] = TAP_DRIVER_MAJOR_VERSION;
((PULONG)(Irp->AssociatedIrp.SystemBuffer))[1] = TAP_DRIVER_MINOR_VERSION;
((PULONG)(Irp->AssociatedIrp.SystemBuffer))[2]
#if DBG
= 1;
#else
= 0;
#endif
Irp->IoStatus.Information = size;
} else {
/**********************************************************
Required NDIS handler
Initialize adapter context, prepare it for operation,
set in PAUSED STATE
Return value:
SUCCESS or kind of error
***********************************************************/
static NDIS_STATUS ParaNdis6_Initialize(
NDIS_HANDLE miniportAdapterHandle,
NDIS_HANDLE miniportDriverContext,
PNDIS_MINIPORT_INIT_PARAMETERS miniportInitParameters)
{
NDIS_MINIPORT_ADAPTER_ATTRIBUTES miniportAttributes;
NDIS_STATUS status = NDIS_STATUS_SUCCESS;
BOOLEAN bNoPauseOnSuspend = FALSE;
PARANDIS_ADAPTER *pContext;
UNREFERENCED_PARAMETER(miniportDriverContext);
DEBUG_ENTRY(0);
/* allocate context structure */
pContext = (PARANDIS_ADAPTER *)
NdisAllocateMemoryWithTagPriority(
miniportAdapterHandle,
sizeof(PARANDIS_ADAPTER),
PARANDIS_MEMORY_TAG,
NormalPoolPriority);
/* This call is for Static Driver Verifier only - has no real functionality*/
__sdv_save_adapter_context(pContext);
if (!pContext)
{
DPrintf(0, ("[%s] ERROR: Memory allocation failed!\n", __FUNCTION__));
status = NDIS_STATUS_RESOURCES;
}
if (status == NDIS_STATUS_SUCCESS)
{
/* set mandatory fields which Common use */
NdisZeroMemory(pContext, sizeof(PARANDIS_ADAPTER));
pContext->ulUniqueID = NdisInterlockedIncrement(&gID);
pContext->DriverHandle = DriverHandle;
pContext->MiniportHandle = miniportAdapterHandle;
}
if (status == NDIS_STATUS_SUCCESS)
{
NdisZeroMemory(&miniportAttributes, sizeof(miniportAttributes));
miniportAttributes.RegistrationAttributes.Header.Type = NDIS_OBJECT_TYPE_MINIPORT_ADAPTER_REGISTRATION_ATTRIBUTES;
miniportAttributes.RegistrationAttributes.Header.Revision = NDIS_MINIPORT_ADAPTER_REGISTRATION_ATTRIBUTES_REVISION_1;
miniportAttributes.RegistrationAttributes.Header.Size = NDIS_SIZEOF_MINIPORT_ADAPTER_REGISTRATION_ATTRIBUTES_REVISION_1;
miniportAttributes.RegistrationAttributes.MiniportAdapterContext = pContext;
miniportAttributes.RegistrationAttributes.AttributeFlags =
// actual for USB
// NDIS_MINIPORT_ATTRIBUTES_SURPRISE_REMOVE_OK
NDIS_MINIPORT_ATTRIBUTES_HARDWARE_DEVICE |
NDIS_MINIPORT_ATTRIBUTES_BUS_MASTER;
#ifndef NO_VISTA_POWER_MANAGEMENT
miniportAttributes.RegistrationAttributes.AttributeFlags |= NDIS_MINIPORT_ATTRIBUTES_NO_HALT_ON_SUSPEND;
#endif
#if NDIS_SUPPORT_NDIS630
miniportAttributes.RegistrationAttributes.AttributeFlags |= NDIS_MINIPORT_ATTRIBUTES_NO_PAUSE_ON_SUSPEND;
bNoPauseOnSuspend = TRUE;
#endif
miniportAttributes.RegistrationAttributes.CheckForHangTimeInSeconds = 4;
miniportAttributes.RegistrationAttributes.InterfaceType = NdisInterfacePci;
status = NdisMSetMiniportAttributes(miniportAdapterHandle, &miniportAttributes);
if (status != NDIS_STATUS_SUCCESS)
{
DPrintf(0, ("[%s] ERROR: NdisMSetMiniportAttributes 1 failed (%X)!\n", __FUNCTION__, status));
}
}
if (status == NDIS_STATUS_SUCCESS)
{
/* prepare statistics struct for further reports */
pContext->Statistics.Header.Type = NDIS_OBJECT_TYPE_DEFAULT;
pContext->Statistics.Header.Revision = NDIS_STATISTICS_INFO_REVISION_1;
pContext->Statistics.Header.Size = NDIS_SIZEOF_STATISTICS_INFO_REVISION_1;
/* let Common do all the rest */
status = ParaNdis_InitializeContext(pContext, miniportInitParameters->AllocatedResources);
if (status != NDIS_STATUS_SUCCESS)
{
DPrintf(0, ("[%s] ERROR: ParaNdis6_InitializeContext failed (%X)!\n", __FUNCTION__, status));
}
pContext->bNoPauseOnSuspend = bNoPauseOnSuspend;
}
if (status == NDIS_STATUS_SUCCESS)
{
ULONG i;
NDIS_PNP_CAPABILITIES power60Caps;
#if NDIS_SUPPORT_NDIS620
NDIS_PM_CAPABILITIES power620Caps;
#endif
#ifdef NO_VISTA_POWER_MANAGEMENT
pPowerCaps = NULL;
#endif
ParaNdis_FillPowerCapabilities(&power60Caps);
NdisZeroMemory(&miniportAttributes, sizeof(miniportAttributes));
miniportAttributes.GeneralAttributes.Header.Type = NDIS_OBJECT_TYPE_MINIPORT_ADAPTER_GENERAL_ATTRIBUTES;
miniportAttributes.GeneralAttributes.Header.Revision = NDIS_MINIPORT_ADAPTER_GENERAL_ATTRIBUTES_REVISION_1;
miniportAttributes.GeneralAttributes.Header.Size = NDIS_SIZEOF_MINIPORT_ADAPTER_GENERAL_ATTRIBUTES_REVISION_1;
#if NDIS_SUPPORT_NDIS620
miniportAttributes.GeneralAttributes.Header.Revision = NDIS_MINIPORT_ADAPTER_GENERAL_ATTRIBUTES_REVISION_2;
miniportAttributes.GeneralAttributes.Header.Size = NDIS_SIZEOF_MINIPORT_ADAPTER_GENERAL_ATTRIBUTES_REVISION_2;
miniportAttributes.GeneralAttributes.PowerManagementCapabilitiesEx = &power620Caps;
ParaNdis6_Fill620PowerCapabilities(&power620Caps);
#else
miniportAttributes.GeneralAttributes.PowerManagementCapabilities = &power60Caps;
#endif
miniportAttributes.GeneralAttributes.MediaType = NdisMedium802_3;
miniportAttributes.GeneralAttributes.PhysicalMediumType = NdisPhysicalMedium802_3;
miniportAttributes.GeneralAttributes.MtuSize = pContext->MaxPacketSize.nMaxDataSize;
miniportAttributes.GeneralAttributes.LookaheadSize = pContext->MaxPacketSize.nMaxFullSizeOS;
miniportAttributes.GeneralAttributes.MaxXmitLinkSpeed =
miniportAttributes.GeneralAttributes.MaxRcvLinkSpeed = PARANDIS_FORMAL_LINK_SPEED;
miniportAttributes.GeneralAttributes.MediaConnectState =
pContext->bConnected ? MediaConnectStateConnected : MediaConnectStateDisconnected;
miniportAttributes.GeneralAttributes.XmitLinkSpeed =
miniportAttributes.GeneralAttributes.RcvLinkSpeed = pContext->bConnected ?
PARANDIS_FORMAL_LINK_SPEED : NDIS_LINK_SPEED_UNKNOWN;
miniportAttributes.GeneralAttributes.MediaDuplexState = MediaDuplexStateFull;
miniportAttributes.GeneralAttributes.MacOptions =
NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA | /* NIC has no internal loopback support */
NDIS_MAC_OPTION_TRANSFERS_NOT_PEND | /* Must be set since using NdisMIndicateReceivePacket */
NDIS_MAC_OPTION_NO_LOOPBACK; /* NIC has no internal loopback support */
if (IsPrioritySupported(pContext))
miniportAttributes.GeneralAttributes.MacOptions |= NDIS_MAC_OPTION_8021P_PRIORITY;
if (IsVlanSupported(pContext))
miniportAttributes.GeneralAttributes.MacOptions |= NDIS_MAC_OPTION_8021Q_VLAN;
miniportAttributes.GeneralAttributes.SupportedPacketFilters = PARANDIS_PACKET_FILTERS;
miniportAttributes.GeneralAttributes.MaxMulticastListSize = PARANDIS_MULTICAST_LIST_SIZE;
miniportAttributes.GeneralAttributes.MacAddressLength = ETH_LENGTH_OF_ADDRESS;
#if PARANDIS_SUPPORT_RSS
if(pContext->bRSSOffloadSupported)
{
miniportAttributes.GeneralAttributes.RecvScaleCapabilities =
ParaNdis6_RSSCreateConfiguration(
&pContext->RSSParameters,
&pContext->RSSCapabilities,
pContext->RSSMaxQueuesNumber);
pContext->bRSSInitialized = TRUE;
}
#endif
for(i = 0; i < ARRAYSIZE(pContext->ReceiveQueues); i++)
{
NdisAllocateSpinLock(&pContext->ReceiveQueues[i].Lock);
InitializeListHead(&pContext->ReceiveQueues[i].BuffersList);
pContext->ReceiveQueues[i].BatchReceiveArray =
ParaNdis_AllocateMemory(pContext, sizeof(*pContext->ReceiveQueues[i].BatchReceiveArray)*pContext->NetMaxReceiveBuffers);
if(!pContext->ReceiveQueues[i].BatchReceiveArray)
{
pContext->ReceiveQueues[i].BatchReceiveArray = &pContext->ReceiveQueues[i].BatchReceiveEmergencyItem;
pContext->ReceiveQueues[i].BatchReceiveArraySize = 1;
}
else
{
pContext->ReceiveQueues[i].BatchReceiveArraySize = pContext->NetMaxReceiveBuffers;
}
}
pContext->ReceiveQueuesInitialized = TRUE;
miniportAttributes.GeneralAttributes.AccessType = NET_IF_ACCESS_BROADCAST;
miniportAttributes.GeneralAttributes.DirectionType = NET_IF_DIRECTION_SENDRECEIVE;
miniportAttributes.GeneralAttributes.IfType = IF_TYPE_ETHERNET_CSMACD;
miniportAttributes.GeneralAttributes.IfConnectorPresent = TRUE;
miniportAttributes.GeneralAttributes.ConnectionType = NET_IF_CONNECTION_DEDICATED;
ETH_COPY_NETWORK_ADDRESS(miniportAttributes.GeneralAttributes.PermanentMacAddress, pContext->PermanentMacAddress);
ETH_COPY_NETWORK_ADDRESS(miniportAttributes.GeneralAttributes.CurrentMacAddress, pContext->CurrentMacAddress);
ParaNdis6_GetSupportedOid(&miniportAttributes.GeneralAttributes);
/* update also SupportedStatistics in ready to use statistics block */
pContext->Statistics.SupportedStatistics = ParaNdis6_GetSupportedStatisticsFlags();
status = NdisMSetMiniportAttributes(miniportAdapterHandle, &miniportAttributes);
if (status != NDIS_STATUS_SUCCESS)
{
DPrintf(0, ("[%s] ERROR: NdisMSetMiniportAttributes 2 failed (%X)!\n", __FUNCTION__, status));
}
}
if (pContext && status != NDIS_STATUS_SUCCESS && status != NDIS_STATUS_PENDING)
{
// no need to cleanup
NdisFreeMemory(pContext, 0, 0);
pContext = NULL;
}
if (pContext && status == NDIS_STATUS_SUCCESS)
{
status = ParaNdis_FinishInitialization(pContext);
if (status != NDIS_STATUS_SUCCESS)
{
ParaNdis_CleanupContext(pContext);
NdisFreeMemory(pContext, 0, 0);
pContext = NULL;
}
}
if (pContext && status == NDIS_STATUS_SUCCESS)
{
if (NDIS_STATUS_SUCCESS ==
ParaNdis6_GetRegistrationOffloadInfo(pContext,
&miniportAttributes.OffloadAttributes))
status = NdisMSetMiniportAttributes(miniportAdapterHandle, &miniportAttributes);
if (status != NDIS_STATUS_SUCCESS)
{
DPrintf(0, ("[%s] ERROR: NdisMSetMiniportAttributes 3 failed (%X)!\n", __FUNCTION__, status));
}
}
if (pContext && status == NDIS_STATUS_SUCCESS)
{
ParaNdis_DebugRegisterMiniport(pContext, TRUE);
}
DEBUG_EXIT_STATUS(status ? 0 : 2, status);
return status;
}
VOID
Hw11ReadRegistryConfiguration(
__in PHW Hw,
__in NDIS_HANDLE ConfigurationHandle
)
{
NDIS_STATUS ndisStatus = NDIS_STATUS_SUCCESS;
PUCHAR NetworkAddress;
UINT Length;
// TODO: These should be read from the registry
Hw->RegInfo.RTSThreshold = 2347;
Hw->RegInfo.FragmentationThreshold = 2346;
Hw->RegInfo.BeaconPeriod = 100;
Hw->RegInfo.NumRXBuffersUpperLimit = HW11_MAX_RX_MSDUS;
Hw->RegInfo.NumRXBuffersLowerBase = HW11_MIN_RX_MSDUS;
//
// read all the non-hardware specific registry values
//
MpReadRegistry((PVOID)Hw, ConfigurationHandle, HWRegTable, HW_NUM_REG_PARAMS);
//
// Read NetworkAddress registry value. Use it as the current address if any.
//
if (ConfigurationHandle != NULL)
{
NdisReadNetworkAddress(&ndisStatus,
(void **)&NetworkAddress,
&Length,
ConfigurationHandle);
//
// If there is a valid NetworkAddress override in registry,use it
//
if ((ndisStatus == NDIS_STATUS_SUCCESS) && (Length == sizeof(DOT11_MAC_ADDRESS)))
{
// Dont use multicast/broadcast or 00* addresses
if (!ETH_IS_MULTICAST(NetworkAddress) && !ETH_IS_BROADCAST(NetworkAddress))
{
if ((NetworkAddress[0] == 0x00) &&
(NetworkAddress[1] == 0x00) &&
(NetworkAddress[2] == 0x00) &&
(NetworkAddress[3] == 0x00) &&
(NetworkAddress[4] == 0x00) &&
(NetworkAddress[5] == 0x00))
{
// Network addr = 00 00 00 00 00 00
Hw->RegInfo.AddressOverrideEnabled = FALSE;
}
else if ((NetworkAddress[0] & 0x02) != 0x02)
{
// Not a locally administered address
Hw->RegInfo.AddressOverrideEnabled = FALSE;
}
else
{
ETH_COPY_NETWORK_ADDRESS(Hw->RegInfo.OverrideAddress,NetworkAddress);
Hw->RegInfo.AddressOverrideEnabled = TRUE;
}
}
}
ndisStatus = NDIS_STATUS_SUCCESS;
}
}
