urb.c File Reference

#include "usbport.h"
#include <debug.h>
#include "usbdebug.h"

Include dependency graph for urb.c:

Go to the source code of this file.

Macros
#define	NDEBUG
#define	NDEBUG_USBPORT_URB

Functions
NTSTATUS NTAPI	USBPORT_HandleGetConfiguration (IN PURB Urb)
NTSTATUS NTAPI	USBPORT_HandleGetCurrentFrame (IN PDEVICE_OBJECT FdoDevice, IN PIRP Irp, IN PURB Urb)
NTSTATUS NTAPI	USBPORT_AbortPipe (IN PDEVICE_OBJECT FdoDevice, IN PIRP Irp, IN PURB Urb)
NTSTATUS NTAPI	USBPORT_ResetPipe (IN PDEVICE_OBJECT FdoDevice, IN PIRP Irp, IN PURB Urb)
NTSTATUS NTAPI	USBPORT_ClearStall (IN PDEVICE_OBJECT FdoDevice, IN PIRP Irp, IN PURB Urb)
NTSTATUS NTAPI	USBPORT_SyncResetPipeAndClearStall (IN PDEVICE_OBJECT FdoDevice, IN PIRP Irp, IN PURB Urb)
NTSTATUS NTAPI	USBPORT_HandleSetOrClearFeature (IN PURB Urb)
NTSTATUS NTAPI	USBPORT_HandleDataTransfers (IN PURB Urb)
NTSTATUS NTAPI	USBPORT_HandleGetStatus (IN PIRP Irp, IN PURB Urb)
NTSTATUS NTAPI	USBPORT_HandleVendorOrClass (IN PIRP Irp, IN PURB Urb)
NTSTATUS NTAPI	USBPORT_HandleGetSetDescriptor (IN PIRP Irp, IN PURB Urb)
NTSTATUS NTAPI	USBPORT_ValidateTransferParametersURB (IN PURB Urb)
NTSTATUS NTAPI	USBPORT_ValidateURB (IN PDEVICE_OBJECT FdoDevice, IN PIRP Irp, IN PURB Urb, IN BOOLEAN IsControlTransfer, IN BOOLEAN IsNullTransfer)
NTSTATUS NTAPI	USBPORT_HandleSubmitURB (IN PDEVICE_OBJECT PdoDevice, IN PIRP Irp, IN PURB Urb)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 10 of file urb.c.

NDEBUG_USBPORT_URB

#define NDEBUG_USBPORT_URB

Definition at line 13 of file urb.c.

Function Documentation

USBPORT_AbortPipe()

NTSTATUS NTAPI USBPORT_AbortPipe	(	IN PDEVICE_OBJECT	FdoDevice,
		IN PIRP	Irp,
		IN PURB	Urb
	)

Definition at line 71 of file urb.c.

{
    PUSBPORT_ENDPOINT Endpoint;
    PUSBPORT_PIPE_HANDLE PipeHandle;
    PUSBPORT_DEVICE_HANDLE DeviceHandle;
    NTSTATUS Status;
 
    DPRINT_URB("USBPORT_AbortPipe: ... \n");
 
    PipeHandle = Urb->UrbPipeRequest.PipeHandle;
    DeviceHandle = Urb->UrbHeader.UsbdDeviceHandle;
 
    if (USBPORT_ValidatePipeHandle(DeviceHandle, PipeHandle))
    {
        if (!(PipeHandle->Flags & PIPE_HANDLE_FLAG_NULL_PACKET_SIZE))
        {
            Endpoint = PipeHandle->Endpoint;
 
            Status = STATUS_PENDING;
 
            Irp->IoStatus.Status = Status;
            IoMarkIrpPending(Irp);
 
            USBPORT_AbortEndpoint(FdoDevice, Endpoint, Irp);
 
            return Status;
        }
 
        Status = USBPORT_USBDStatusToNtStatus(Urb, USBD_STATUS_SUCCESS);
    }
    else
    {
        Status = USBPORT_USBDStatusToNtStatus(Urb,
                                              USBD_STATUS_INVALID_PIPE_HANDLE);
    }
 
    return Status;
}

Referenced by USBPORT_HandleSubmitURB().

USBPORT_ClearStall()

NTSTATUS NTAPI USBPORT_ClearStall	(	IN PDEVICE_OBJECT	FdoDevice,
		IN PIRP	Irp,
		IN PURB	Urb
	)

Definition at line 177 of file urb.c.

{
    PUSBPORT_DEVICE_HANDLE DeviceHandle;
    PUSBPORT_PIPE_HANDLE PipeHandle;
    USBD_STATUS USBDStatus;
    PUSBPORT_ENDPOINT Endpoint;
    NTSTATUS Status;
    USB_DEFAULT_PIPE_SETUP_PACKET SetupPacket;
 
    DPRINT_URB("USBPORT_ClearStall: ... \n");
 
    PipeHandle = Urb->UrbPipeRequest.PipeHandle;
    DeviceHandle = Urb->UrbHeader.UsbdDeviceHandle;
 
    if (!USBPORT_ValidatePipeHandle(DeviceHandle, PipeHandle))
    {
        return USBPORT_USBDStatusToNtStatus(Urb,
                                            USBD_STATUS_INVALID_PIPE_HANDLE);
    }
 
    Endpoint = PipeHandle->Endpoint;
 
    RtlZeroMemory(&SetupPacket, sizeof(USB_DEFAULT_PIPE_SETUP_PACKET));
 
    SetupPacket.bmRequestType.Recipient = BMREQUEST_TO_ENDPOINT;
    SetupPacket.bRequest = USB_REQUEST_CLEAR_FEATURE;
    SetupPacket.wValue.W = 0;
    SetupPacket.wIndex.W = Endpoint->EndpointProperties.EndpointAddress;
    SetupPacket.wLength = 0;
 
    USBPORT_SendSetupPacket(DeviceHandle,
                            FdoDevice,
                            &SetupPacket,
                            NULL,
                            0,
                            NULL,
                            &USBDStatus);
 
    Status = USBPORT_USBDStatusToNtStatus(Urb, USBDStatus);
 
    return Status;
}

Referenced by USBPORT_HandleSubmitURB(), and USBPORT_SyncResetPipeAndClearStall().

USBPORT_HandleDataTransfers()

NTSTATUS NTAPI USBPORT_HandleDataTransfers

(

IN PURB

Urb

)

Definition at line 384 of file urb.c.

{
    PUSBPORT_ENDPOINT Endpoint;
 
    DPRINT_URB("USBPORT_HandleDataTransfers: Urb - %p\n", Urb);
 
    Endpoint = ((PUSBPORT_PIPE_HANDLE)
                (Urb->UrbBulkOrInterruptTransfer.PipeHandle))->Endpoint;
 
    if (Endpoint->EndpointProperties.TransferType != USBPORT_TRANSFER_TYPE_CONTROL)
    {
        if (Endpoint->EndpointProperties.Direction == USBPORT_TRANSFER_DIRECTION_OUT)
        {
            Urb->UrbBulkOrInterruptTransfer.TransferFlags &= ~USBD_TRANSFER_DIRECTION_IN;
        }
        else
        {
            Urb->UrbBulkOrInterruptTransfer.TransferFlags |= USBD_TRANSFER_DIRECTION_IN;
        }
    }
 
    USBPORT_QueueTransferUrb(Urb);
 
    return STATUS_PENDING;
}

Referenced by USBPORT_HandleSubmitURB().

USBPORT_HandleGetConfiguration()

NTSTATUS NTAPI USBPORT_HandleGetConfiguration

(

IN PURB

Urb

)

Definition at line 18 of file urb.c.

{
    PUSB_DEFAULT_PIPE_SETUP_PACKET SetupPacket;
 
    DPRINT_URB("USBPORT_HandleGetConfiguration: Urb - %p\n", Urb);
 
    SetupPacket = (PUSB_DEFAULT_PIPE_SETUP_PACKET)
                   &Urb->UrbControlGetConfigurationRequest.Reserved1;
 
    SetupPacket->bmRequestType.Dir = BMREQUEST_DEVICE_TO_HOST;
    SetupPacket->bRequest = USB_REQUEST_GET_CONFIGURATION;
    SetupPacket->wValue.W = 0;
    SetupPacket->wIndex.W = 0;
    SetupPacket->wLength = Urb->UrbControlGetConfigurationRequest.TransferBufferLength;
 
    Urb->UrbControlGetConfigurationRequest.Reserved0 |= USBD_TRANSFER_DIRECTION_IN; // 1;
    Urb->UrbControlGetConfigurationRequest.Reserved0 |= USBD_SHORT_TRANSFER_OK; // 2
 
    USBPORT_DumpingSetupPacket(SetupPacket);
 
    USBPORT_QueueTransferUrb(Urb);
 
    return STATUS_PENDING;
}

Referenced by USBPORT_HandleSubmitURB().

USBPORT_HandleGetCurrentFrame()

NTSTATUS NTAPI USBPORT_HandleGetCurrentFrame	(	IN PDEVICE_OBJECT	FdoDevice,
		IN PIRP	Irp,
		IN PURB	Urb
	)

Definition at line 45 of file urb.c.

{
    PUSBPORT_DEVICE_EXTENSION FdoExtension;
    PUSBPORT_REGISTRATION_PACKET Packet;
    ULONG FrameNumber;
    KIRQL OldIrql;
 
    FdoExtension = FdoDevice->DeviceExtension;
    Packet = &FdoExtension->MiniPortInterface->Packet;
 
    KeAcquireSpinLock(&FdoExtension->MiniportSpinLock, &OldIrql);
    FrameNumber = Packet->Get32BitFrameNumber(FdoExtension->MiniPortExt);
    KeReleaseSpinLock(&FdoExtension->MiniportSpinLock, OldIrql);
 
    Urb->UrbGetCurrentFrameNumber.FrameNumber = FrameNumber;
 
    DPRINT_URB("USBPORT_HandleGetCurrentFrame: FrameNumber - %p\n",
               FrameNumber);
 
    return USBPORT_USBDStatusToNtStatus(Urb, USBD_STATUS_SUCCESS);
}

Referenced by USBPORT_HandleSubmitURB().

USBPORT_HandleGetSetDescriptor()

NTSTATUS NTAPI USBPORT_HandleGetSetDescriptor	(	IN PIRP	Irp,
		IN PURB	Urb
	)

Definition at line 560 of file urb.c.

{
    PUSB_DEFAULT_PIPE_SETUP_PACKET SetupPacket;
 
    SetupPacket = (PUSB_DEFAULT_PIPE_SETUP_PACKET)
                   &Urb->UrbControlDescriptorRequest.Reserved1;
 
    SetupPacket->wLength = Urb->UrbControlDescriptorRequest.TransferBufferLength;
    SetupPacket->bmRequestType.B = 0; // Clear bmRequestType
    SetupPacket->bmRequestType.Type = BMREQUEST_STANDARD;
 
    switch (Urb->UrbHeader.Function)
    {
        case URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE:
            DPRINT_URB("USBPORT_HandleGetSetDescriptor: URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE\n");
            SetupPacket->bRequest = USB_REQUEST_GET_DESCRIPTOR;
            SetupPacket->bmRequestType.Dir = BMREQUEST_DEVICE_TO_HOST;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_DEVICE;
            break;
 
        case URB_FUNCTION_SET_DESCRIPTOR_TO_DEVICE:
            DPRINT_URB("USBPORT_HandleGetSetDescriptor: URB_FUNCTION_SET_DESCRIPTOR_TO_DEVICE\n");
            SetupPacket->bRequest = USB_REQUEST_SET_DESCRIPTOR;
            SetupPacket->bmRequestType.Dir = BMREQUEST_HOST_TO_DEVICE;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_DEVICE;
            break;
 
        case URB_FUNCTION_GET_DESCRIPTOR_FROM_ENDPOINT:
            DPRINT_URB("USBPORT_HandleGetSetDescriptor: URB_FUNCTION_GET_DESCRIPTOR_FROM_ENDPOINT\n");
            SetupPacket->bRequest = USB_REQUEST_GET_DESCRIPTOR;
            SetupPacket->bmRequestType.Dir = BMREQUEST_DEVICE_TO_HOST;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_ENDPOINT;
            break;
 
        case URB_FUNCTION_SET_DESCRIPTOR_TO_ENDPOINT:
            DPRINT_URB("USBPORT_HandleGetSetDescriptor: URB_FUNCTION_SET_DESCRIPTOR_TO_ENDPOINT\n");
            SetupPacket->bRequest = USB_REQUEST_SET_DESCRIPTOR;
            SetupPacket->bmRequestType.Dir = BMREQUEST_HOST_TO_DEVICE;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_ENDPOINT;
            break;
 
        case URB_FUNCTION_GET_DESCRIPTOR_FROM_INTERFACE:
            DPRINT_URB("USBPORT_HandleGetSetDescriptor: URB_FUNCTION_GET_DESCRIPTOR_FROM_INTERFACE\n");
            SetupPacket->bRequest = USB_REQUEST_GET_DESCRIPTOR;
            SetupPacket->bmRequestType.Dir = BMREQUEST_DEVICE_TO_HOST;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_INTERFACE;
            break;
 
        case URB_FUNCTION_SET_DESCRIPTOR_TO_INTERFACE:
            DPRINT_URB("USBPORT_HandleGetSetDescriptor: URB_FUNCTION_SET_DESCRIPTOR_TO_INTERFACE\n");
            SetupPacket->bRequest = USB_REQUEST_SET_DESCRIPTOR;
            SetupPacket->bmRequestType.Dir = BMREQUEST_HOST_TO_DEVICE;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_INTERFACE;
            break;
    }
 
    Urb->UrbControlTransfer.TransferFlags |= USBD_SHORT_TRANSFER_OK;
 
    if (SetupPacket->bmRequestType.Dir)
        Urb->UrbControlTransfer.TransferFlags |= USBD_TRANSFER_DIRECTION_IN;
    else
        Urb->UrbControlTransfer.TransferFlags &= ~USBD_TRANSFER_DIRECTION_IN;
 
    USBPORT_DumpingSetupPacket(SetupPacket);
 
    USBPORT_QueueTransferUrb(Urb);
 
    return STATUS_PENDING;
}

Referenced by USBPORT_HandleSubmitURB().

USBPORT_HandleGetStatus()

NTSTATUS NTAPI USBPORT_HandleGetStatus	(	IN PIRP	Irp,
		IN PURB	Urb
	)

Definition at line 412 of file urb.c.

{
    PUSB_DEFAULT_PIPE_SETUP_PACKET SetupPacket;
    NTSTATUS Status;
 
    SetupPacket = (PUSB_DEFAULT_PIPE_SETUP_PACKET)
                   &Urb->UrbControlDescriptorRequest.Reserved1;
 
    SetupPacket->bmRequestType.B = 0;
    SetupPacket->bmRequestType.Dir = BMREQUEST_DEVICE_TO_HOST;
    SetupPacket->bRequest = USB_REQUEST_GET_STATUS;
    SetupPacket->wLength = Urb->UrbControlDescriptorRequest.TransferBufferLength;
    SetupPacket->wValue.W = 0;
 
    switch (Urb->UrbHeader.Function)
    {
        case URB_FUNCTION_GET_STATUS_FROM_DEVICE:
            DPRINT_URB("USBPORT_HandleGetStatus: URB_FUNCTION_GET_STATUS_FROM_DEVICE\n");
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_DEVICE;
            break;
 
        case URB_FUNCTION_GET_STATUS_FROM_INTERFACE:
            DPRINT_URB("USBPORT_HandleGetStatus: URB_FUNCTION_GET_STATUS_FROM_INTERFACE\n");
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_INTERFACE;
            break;
 
        case URB_FUNCTION_GET_STATUS_FROM_ENDPOINT:
            DPRINT_URB("USBPORT_HandleGetStatus: URB_FUNCTION_GET_STATUS_FROM_ENDPOINT\n");
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_ENDPOINT;
            break;
 
        case URB_FUNCTION_GET_STATUS_FROM_OTHER:
            DPRINT_URB("USBPORT_HandleGetStatus: URB_FUNCTION_GET_STATUS_FROM_OTHER\n");
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_OTHER;
            break;
    }
 
    if (SetupPacket->wLength == 2)
    {
        Urb->UrbControlTransfer.TransferFlags |= USBD_SHORT_TRANSFER_OK;
 
        if (SetupPacket->bmRequestType.Dir)
            Urb->UrbControlTransfer.TransferFlags |= USBD_TRANSFER_DIRECTION_IN;
        else
            Urb->UrbControlTransfer.TransferFlags &= ~USBD_TRANSFER_DIRECTION_IN;
 
        //USBPORT_DumpingSetupPacket(SetupPacket);
 
        USBPORT_QueueTransferUrb(Urb);
 
        Status = STATUS_PENDING;
    }
    else
    {
        Status = USBPORT_USBDStatusToNtStatus(Urb,
                                              USBD_STATUS_INVALID_PARAMETER);
 
        DPRINT1("USBPORT_HandleGetStatus: Bad wLength\n");
        USBPORT_DumpingSetupPacket(SetupPacket);
    }
 
    return Status;
}

Referenced by USBPORT_HandleSubmitURB().

USBPORT_HandleSetOrClearFeature()

NTSTATUS NTAPI USBPORT_HandleSetOrClearFeature

(

IN PURB

Urb

)

Definition at line 307 of file urb.c.

{
    PUSB_DEFAULT_PIPE_SETUP_PACKET SetupPacket;
 
    DPRINT_URB("USBPORT_HandleSetOrClearFeature: Urb - %p\n", Urb);
 
    SetupPacket = (PUSB_DEFAULT_PIPE_SETUP_PACKET)
                  &Urb->UrbControlFeatureRequest.Reserved0;
 
    SetupPacket->wLength = 0;
    Urb->UrbControlFeatureRequest.Reserved3 = 0; // TransferBufferLength
 
    SetupPacket->bmRequestType.Dir = BMREQUEST_HOST_TO_DEVICE;
 
    switch (Urb->UrbHeader.Function)
    {
        case URB_FUNCTION_SET_FEATURE_TO_DEVICE:
            DPRINT_URB("USBPORT_HandleGetSetDescriptor: URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE\n");
            SetupPacket->bRequest = USB_REQUEST_SET_FEATURE;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_DEVICE;
            break;
 
        case URB_FUNCTION_SET_FEATURE_TO_INTERFACE:
            DPRINT_URB("USBPORT_HandleGetSetDescriptor: URB_FUNCTION_SET_DESCRIPTOR_TO_DEVICE\n");
            SetupPacket->bRequest = USB_REQUEST_SET_FEATURE;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_INTERFACE;
            break;
 
        case URB_FUNCTION_SET_FEATURE_TO_ENDPOINT:
            DPRINT_URB("USBPORT_HandleGetSetDescriptor: URB_FUNCTION_SET_DESCRIPTOR_TO_DEVICE\n");
            SetupPacket->bRequest = USB_REQUEST_SET_FEATURE;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_ENDPOINT;
            break;
 
        case URB_FUNCTION_CLEAR_FEATURE_TO_DEVICE:
            DPRINT_URB("USBPORT_HandleGetSetDescriptor: URB_FUNCTION_GET_DESCRIPTOR_FROM_ENDPOINT\n");
            SetupPacket->bRequest = USB_REQUEST_CLEAR_FEATURE;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_DEVICE;
            break;
 
        case URB_FUNCTION_CLEAR_FEATURE_TO_INTERFACE:
            DPRINT_URB("USBPORT_HandleGetSetDescriptor: URB_FUNCTION_SET_DESCRIPTOR_TO_ENDPOINT\n");
            SetupPacket->bRequest = USB_REQUEST_CLEAR_FEATURE;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_INTERFACE;
            break;
 
        case URB_FUNCTION_CLEAR_FEATURE_TO_ENDPOINT:
            DPRINT_URB("USBPORT_HandleGetSetDescriptor: URB_FUNCTION_GET_DESCRIPTOR_FROM_INTERFACE\n");
            SetupPacket->bRequest = USB_REQUEST_CLEAR_FEATURE;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_ENDPOINT;
            break;
 
        case URB_FUNCTION_CLEAR_FEATURE_TO_OTHER:
            DPRINT_URB("USBPORT_HandleGetSetDescriptor: URB_FUNCTION_SET_DESCRIPTOR_TO_INTERFACE\n");
            SetupPacket->bRequest = USB_REQUEST_CLEAR_FEATURE;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_OTHER;
            break;
 
        case URB_FUNCTION_SET_FEATURE_TO_OTHER:
            DPRINT_URB("USBPORT_HandleGetSetDescriptor: URB_FUNCTION_SET_DESCRIPTOR_TO_INTERFACE\n");
            SetupPacket->bRequest = USB_REQUEST_SET_FEATURE;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_OTHER;
            break;
    }
 
    Urb->UrbControlFeatureRequest.Reserved2 &= ~USBD_TRANSFER_DIRECTION_IN;
    Urb->UrbControlFeatureRequest.Reserved2 |= USBD_SHORT_TRANSFER_OK;
 
    USBPORT_DumpingSetupPacket(SetupPacket);
 
    USBPORT_QueueTransferUrb(Urb);
 
    return STATUS_PENDING;
}

Referenced by USBPORT_HandleSubmitURB().

USBPORT_HandleSubmitURB()

NTSTATUS NTAPI USBPORT_HandleSubmitURB	(	IN PDEVICE_OBJECT	PdoDevice,
		IN PIRP	Irp,
		IN PURB	Urb
	)

Definition at line 791 of file urb.c.

{
    PUSBPORT_RHDEVICE_EXTENSION PdoExtension;
    PDEVICE_OBJECT FdoDevice;
    PUSBPORT_DEVICE_EXTENSION FdoExtension;
    USHORT Function;
    PUSBPORT_DEVICE_HANDLE DeviceHandle;
    NTSTATUS Status = STATUS_NOT_IMPLEMENTED;
 
    ASSERT(Urb);
 
    PdoExtension = PdoDevice->DeviceExtension;
    FdoDevice = PdoExtension->FdoDevice;
    FdoExtension = FdoDevice->DeviceExtension;
 
    Urb->UrbHeader.Status = USBD_STATUS_SUCCESS;
    Urb->UrbHeader.UsbdFlags = 0;
 
    Function = Urb->UrbHeader.Function;
 
    if (Function > URB_FUNCTION_MAX)
    {
        Status = USBPORT_USBDStatusToNtStatus(Urb,
                                              USBD_STATUS_INVALID_URB_FUNCTION);
 
        DPRINT1("USBPORT_HandleSubmitURB: Unknown URB function - %x !!!\n",
               Function);
 
        return Status;
    }
 
    if (FdoExtension->TimerFlags & USBPORT_TMFLAG_RH_SUSPENDED)
    {
        DPRINT1("USBPORT_HandleSubmitURB: Bad Request\n");
 
        USBPORT_USBDStatusToNtStatus(Urb, USBD_STATUS_DEVICE_GONE);
 
        Irp->IoStatus.Status = STATUS_PENDING;
        IoMarkIrpPending(Irp);
        IoCsqInsertIrp(&FdoExtension->BadRequestIoCsq, Irp, NULL);
 
        return STATUS_PENDING;
    }
 
    DeviceHandle = Urb->UrbHeader.UsbdDeviceHandle;
 
    if (!DeviceHandle)
    {
        DeviceHandle = &PdoExtension->DeviceHandle;
        Urb->UrbHeader.UsbdDeviceHandle = DeviceHandle;
    }
 
    if (!USBPORT_ValidateDeviceHandle(PdoExtension->FdoDevice,
                                      DeviceHandle))
    {
        DPRINT1("USBPORT_HandleSubmitURB: Not valid device handle\n");
 
        Irp->IoStatus.Status = STATUS_PENDING;
        IoMarkIrpPending(Irp);
        IoCsqInsertIrp(&FdoExtension->BadRequestIoCsq, Irp, NULL);
 
        return STATUS_PENDING;
    }
 
    InterlockedIncrement(&DeviceHandle->DeviceHandleLock);
 
    DPRINT_URB("USBPORT_HandleSubmitURB: Function - 0x%02X, DeviceHandle - %p\n",
               Function,
               Urb->UrbHeader.UsbdDeviceHandle);
 
    switch (Function)
    {
        case URB_FUNCTION_ISOCH_TRANSFER:
            DPRINT1("USBPORT_HandleSubmitURB: URB_FUNCTION_ISOCH_TRANSFER UNIMPLEMENTED. FIXME. \n");
            break;
 
        case URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER:
        case URB_FUNCTION_CONTROL_TRANSFER:
            Status = USBPORT_ValidateURB(FdoDevice, Irp, Urb, FALSE, FALSE);
 
            if (!NT_SUCCESS(Status))
            {
                DPRINT1("USBPORT_HandleSubmitURB: Not valid URB\n");
                break;
            }
 
            Status = USBPORT_HandleDataTransfers(Urb);
            break;
 
        case URB_FUNCTION_VENDOR_DEVICE:
        case URB_FUNCTION_VENDOR_INTERFACE:
        case URB_FUNCTION_VENDOR_ENDPOINT:
        case URB_FUNCTION_CLASS_DEVICE:
        case URB_FUNCTION_CLASS_INTERFACE:
        case URB_FUNCTION_CLASS_ENDPOINT:
        case URB_FUNCTION_CLASS_OTHER:
        case URB_FUNCTION_VENDOR_OTHER:
            Status = USBPORT_ValidateURB(FdoDevice, Irp, Urb, TRUE, FALSE);
 
            if (!NT_SUCCESS(Status))
            {
                DPRINT1("USBPORT_HandleSubmitURB: Not valid URB\n");
                break;
            }
 
            Status = USBPORT_HandleVendorOrClass(Irp, Urb);
            break;
 
        case URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE:
        case URB_FUNCTION_SET_DESCRIPTOR_TO_DEVICE:
        case URB_FUNCTION_GET_DESCRIPTOR_FROM_ENDPOINT:
        case URB_FUNCTION_SET_DESCRIPTOR_TO_ENDPOINT:
        case URB_FUNCTION_GET_DESCRIPTOR_FROM_INTERFACE:
        case URB_FUNCTION_SET_DESCRIPTOR_TO_INTERFACE:
            Status = USBPORT_ValidateURB(FdoDevice, Irp, Urb, TRUE, FALSE);
 
            if (!NT_SUCCESS(Status))
            {
                DPRINT1("USBPORT_HandleSubmitURB: Not valid URB\n");
                break;
            }
 
            Status = USBPORT_HandleGetSetDescriptor(Irp, Urb);
            break;
 
        case URB_FUNCTION_GET_MS_FEATURE_DESCRIPTOR:
            DPRINT1("USBPORT_HandleSubmitURB: URB_FUNCTION_GET_MS_FEATURE_DESCRIPTOR (0x2A) NOT_SUPPORTED\n");
            return USBPORT_USBDStatusToNtStatus(Urb,
                                                USBD_STATUS_INVALID_URB_FUNCTION);
 
        case URB_FUNCTION_GET_STATUS_FROM_DEVICE:
        case URB_FUNCTION_GET_STATUS_FROM_INTERFACE:
        case URB_FUNCTION_GET_STATUS_FROM_ENDPOINT:
        case URB_FUNCTION_GET_STATUS_FROM_OTHER:
            Status = USBPORT_ValidateURB(FdoDevice, Irp, Urb, TRUE, FALSE);
 
            if (!NT_SUCCESS(Status))
            {
                DPRINT1("USBPORT_HandleSubmitURB: Not valid URB\n");
                break;
            }
 
            Status = USBPORT_HandleGetStatus(Irp, Urb);
            break;
 
        case URB_FUNCTION_SELECT_CONFIGURATION:
            Status = USBPORT_HandleSelectConfiguration(PdoExtension->FdoDevice,
                                                       Irp,
                                                       Urb);
            break;
 
        case URB_FUNCTION_SELECT_INTERFACE:
            Status = USBPORT_HandleSelectInterface(PdoExtension->FdoDevice,
                                                   Irp,
                                                   Urb);
            break;
 
        case URB_FUNCTION_GET_CONFIGURATION:
            Status = USBPORT_ValidateURB(FdoDevice, Irp, Urb, TRUE, FALSE);
 
            if (!NT_SUCCESS(Status))
            {
                DPRINT1("USBPORT_HandleSubmitURB: Not valid URB\n");
                break;
            }
 
            Status = USBPORT_HandleGetConfiguration(Urb);
            break;
 
        case URB_FUNCTION_GET_INTERFACE:
            DPRINT1("USBPORT_HandleSubmitURB: URB_FUNCTION_GET_INTERFACE (0x27) NOT_SUPPORTED\n");
            return USBPORT_USBDStatusToNtStatus(Urb,
                                                USBD_STATUS_INVALID_URB_FUNCTION);
 
        case URB_FUNCTION_SYNC_RESET_PIPE_AND_CLEAR_STALL:
            Status = USBPORT_SyncResetPipeAndClearStall(PdoExtension->FdoDevice,
                                                        Irp,
                                                        Urb);
            break;
 
        case URB_FUNCTION_SYNC_RESET_PIPE:
            Status = USBPORT_ResetPipe(PdoExtension->FdoDevice,
                                       Irp,
                                       Urb);
            break;
 
        case URB_FUNCTION_SYNC_CLEAR_STALL:
            Status = USBPORT_ClearStall(PdoExtension->FdoDevice,
                                        Irp,
                                        Urb);
            break;
 
        case URB_FUNCTION_ABORT_PIPE:
            Status = USBPORT_AbortPipe(PdoExtension->FdoDevice,
                                       Irp,
                                       Urb);
            break;
 
        case URB_FUNCTION_SET_FEATURE_TO_DEVICE:
        case URB_FUNCTION_SET_FEATURE_TO_INTERFACE:
        case URB_FUNCTION_SET_FEATURE_TO_ENDPOINT:
        case URB_FUNCTION_CLEAR_FEATURE_TO_INTERFACE:
        case URB_FUNCTION_CLEAR_FEATURE_TO_ENDPOINT:
        case URB_FUNCTION_CLEAR_FEATURE_TO_OTHER:
        case URB_FUNCTION_SET_FEATURE_TO_OTHER:
            Status = USBPORT_ValidateURB(FdoDevice, Irp, Urb, TRUE, TRUE);
 
            if (!NT_SUCCESS(Status))
            {
                DPRINT1("USBPORT_HandleSubmitURB: Not valid URB\n");
                break;
            }
 
            Status = USBPORT_HandleSetOrClearFeature(Urb);
            break;
 
        case URB_FUNCTION_GET_CURRENT_FRAME_NUMBER:
            Status = USBPORT_HandleGetCurrentFrame(PdoExtension->FdoDevice,
                                                   Irp,
                                                   Urb);
            break;
 
        case URB_FUNCTION_TAKE_FRAME_LENGTH_CONTROL:
            DPRINT1("USBPORT_HandleSubmitURB: URB_FUNCTION_TAKE_FRAME_LENGTH_CONTROL (0x03) NOT_SUPPORTED\n");
            return USBPORT_USBDStatusToNtStatus(Urb, USBD_STATUS_NOT_SUPPORTED);
 
        case URB_FUNCTION_RELEASE_FRAME_LENGTH_CONTROL:
            DPRINT1("USBPORT_HandleSubmitURB: URB_FUNCTION_RELEASE_FRAME_LENGTH_CONTROL (0x04) NOT_SUPPORTED\n");
            return USBPORT_USBDStatusToNtStatus(Urb, USBD_STATUS_NOT_SUPPORTED);
 
        case URB_FUNCTION_GET_FRAME_LENGTH:
            DPRINT1("USBPORT_HandleSubmitURB: URB_FUNCTION_GET_FRAME_LENGTH (0x05) NOT_SUPPORTED\n");
            return USBPORT_USBDStatusToNtStatus(Urb, USBD_STATUS_NOT_SUPPORTED);
 
        case URB_FUNCTION_SET_FRAME_LENGTH:
            DPRINT1("USBPORT_HandleSubmitURB: URB_FUNCTION_SET_FRAME_LENGTH (0x06) NOT_SUPPORTED\n");
            return USBPORT_USBDStatusToNtStatus(Urb, USBD_STATUS_NOT_SUPPORTED);
 
        default:
            DPRINT1("USBPORT_HandleSubmitURB: Unknown URB Function - %x\n",
                    Function);
            //URB_FUNCTION_RESERVED_0X0016
            //URB_FUNCTION_RESERVE_0X001D
            //URB_FUNCTION_RESERVE_0X002B
            //URB_FUNCTION_RESERVE_0X002C
            //URB_FUNCTION_RESERVE_0X002D
            //URB_FUNCTION_RESERVE_0X002E
            //URB_FUNCTION_RESERVE_0X002F
            break;
    }
 
    if (Status == STATUS_PENDING)
    {
        return Status;
    }
 
    if (Urb->UrbHeader.UsbdFlags & USBD_FLAG_ALLOCATED_TRANSFER)
    {
        PUSBPORT_TRANSFER Transfer;
 
        Transfer = Urb->UrbControlTransfer.hca.Reserved8[0];
        Urb->UrbControlTransfer.hca.Reserved8[0] = NULL;
        Urb->UrbHeader.UsbdFlags |= ~USBD_FLAG_ALLOCATED_TRANSFER;
        ExFreePoolWithTag(Transfer, USB_PORT_TAG);
    }
 
    InterlockedDecrement(&DeviceHandle->DeviceHandleLock);
 
    Irp->IoStatus.Status = Status;
    IoCompleteRequest(Irp, IO_NO_INCREMENT);
 
    return Status;
}

Referenced by USBPORT_PdoInternalDeviceControl().

USBPORT_HandleVendorOrClass()

NTSTATUS NTAPI USBPORT_HandleVendorOrClass	(	IN PIRP	Irp,
		IN PURB	Urb
	)

Definition at line 479 of file urb.c.

{
    PUSB_DEFAULT_PIPE_SETUP_PACKET SetupPacket;
 
    /*
        Specifies a value, from 4 to 31 inclusive,
        that becomes part of the request type code in the USB-defined setup packet.
        This value is defined by USB for a class request or the vendor for a vendor request.
    */
 
    SetupPacket = (PUSB_DEFAULT_PIPE_SETUP_PACKET)
                   &Urb->UrbControlDescriptorRequest.Reserved1;
 
    SetupPacket->bmRequestType.Dir = USBD_TRANSFER_DIRECTION_FLAG
                                     (Urb->UrbControlTransfer.TransferFlags);
 
    SetupPacket->wLength = Urb->UrbControlDescriptorRequest.TransferBufferLength;
 
    Urb->UrbControlTransfer.TransferFlags |= USBD_SHORT_TRANSFER_OK;
 
    switch (Urb->UrbHeader.Function)
    {
        case URB_FUNCTION_VENDOR_DEVICE:
            DPRINT_URB("USBPORT_HandleVendorOrClass: URB_FUNCTION_VENDOR_DEVICE\n");
            SetupPacket->bmRequestType.Type = BMREQUEST_VENDOR;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_DEVICE;
            break;
 
        case URB_FUNCTION_VENDOR_INTERFACE:
            DPRINT_URB("USBPORT_HandleVendorOrClass: URB_FUNCTION_VENDOR_INTERFACE\n");
            SetupPacket->bmRequestType.Type = BMREQUEST_VENDOR;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_INTERFACE;
            break;
 
        case URB_FUNCTION_VENDOR_ENDPOINT:
            DPRINT_URB("USBPORT_HandleVendorOrClass: URB_FUNCTION_VENDOR_ENDPOINT\n");
            SetupPacket->bmRequestType.Type = BMREQUEST_VENDOR;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_ENDPOINT;
            break;
 
        case URB_FUNCTION_CLASS_DEVICE:
            DPRINT_URB("USBPORT_HandleVendorOrClass: URB_FUNCTION_CLASS_DEVICE\n");
            SetupPacket->bmRequestType.Type = BMREQUEST_CLASS;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_DEVICE;
            break;
 
        case URB_FUNCTION_CLASS_INTERFACE:
            DPRINT_URB("USBPORT_HandleVendorOrClass: URB_FUNCTION_CLASS_INTERFACE\n");
            SetupPacket->bmRequestType.Type = BMREQUEST_CLASS;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_INTERFACE;
            break;
 
        case URB_FUNCTION_CLASS_ENDPOINT:
            DPRINT_URB("USBPORT_HandleVendorOrClass: URB_FUNCTION_CLASS_ENDPOINT\n");
            SetupPacket->bmRequestType.Type = BMREQUEST_CLASS;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_ENDPOINT;
            break;
 
        case URB_FUNCTION_CLASS_OTHER:
            DPRINT_URB("USBPORT_HandleVendorOrClass: URB_FUNCTION_CLASS_OTHER\n");
            SetupPacket->bmRequestType.Type = BMREQUEST_CLASS;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_OTHER;
            break;
 
        case URB_FUNCTION_VENDOR_OTHER:
            DPRINT_URB("USBPORT_HandleVendorOrClass: URB_FUNCTION_VENDOR_OTHER\n");
            SetupPacket->bmRequestType.Type = BMREQUEST_VENDOR;
            SetupPacket->bmRequestType.Recipient = BMREQUEST_TO_OTHER;
            break;
    }
 
    USBPORT_DumpingSetupPacket(SetupPacket);
 
    USBPORT_QueueTransferUrb(Urb);
 
    return STATUS_PENDING;
}

Referenced by USBPORT_HandleSubmitURB().

USBPORT_ResetPipe()

NTSTATUS NTAPI USBPORT_ResetPipe	(	IN PDEVICE_OBJECT	FdoDevice,
		IN PIRP	Irp,
		IN PURB	Urb
	)

Definition at line 114 of file urb.c.

{
    PUSBPORT_DEVICE_EXTENSION FdoExtension;
    PUSBPORT_REGISTRATION_PACKET Packet;
    PUSBPORT_PIPE_HANDLE PipeHandle;
    PUSBPORT_ENDPOINT Endpoint;
    NTSTATUS Status;
 
    DPRINT_URB("USBPORT_ResetPipe: ... \n");
 
    FdoExtension = FdoDevice->DeviceExtension;
    Packet = &FdoExtension->MiniPortInterface->Packet;
 
    PipeHandle = Urb->UrbPipeRequest.PipeHandle;
 
    if (!USBPORT_ValidatePipeHandle((PUSBPORT_DEVICE_HANDLE)Urb->UrbHeader.UsbdDeviceHandle,
                                    PipeHandle))
    {
        return USBPORT_USBDStatusToNtStatus(Urb, USBD_STATUS_INVALID_PIPE_HANDLE);
    }
 
    Endpoint = PipeHandle->Endpoint;
 
    KeAcquireSpinLock(&Endpoint->EndpointSpinLock, &Endpoint->EndpointOldIrql);
 
    if (IsListEmpty(&Endpoint->TransferList))
    {
        if (Urb->UrbHeader.UsbdFlags & USBD_FLAG_NOT_ISO_TRANSFER)
        {
            KeAcquireSpinLockAtDpcLevel(&FdoExtension->MiniportSpinLock);
 
            Packet->SetEndpointDataToggle(FdoExtension->MiniPortExt,
                                          Endpoint + 1,
                                          0);
 
            KeReleaseSpinLockFromDpcLevel(&FdoExtension->MiniportSpinLock);
        }
 
        Status = USBPORT_USBDStatusToNtStatus(Urb, USBD_STATUS_SUCCESS);
    }
    else
    {
        Status = USBPORT_USBDStatusToNtStatus(Urb, USBD_STATUS_ERROR_BUSY);
    }
 
    Endpoint->Flags |= ENDPOINT_FLAG_QUEUENE_EMPTY;
 
    KeAcquireSpinLockAtDpcLevel(&FdoExtension->MiniportSpinLock);
 
    Packet->SetEndpointStatus(FdoExtension->MiniPortExt,
                              Endpoint + 1,
                              USBPORT_ENDPOINT_RUN);
 
    KeReleaseSpinLockFromDpcLevel(&FdoExtension->MiniportSpinLock);
    KeReleaseSpinLock(&Endpoint->EndpointSpinLock, Endpoint->EndpointOldIrql);
 
    return Status;
}

Referenced by USBPORT_HandleSubmitURB(), and USBPORT_SyncResetPipeAndClearStall().

USBPORT_SyncResetPipeAndClearStall()

NTSTATUS NTAPI USBPORT_SyncResetPipeAndClearStall	(	IN PDEVICE_OBJECT	FdoDevice,
		IN PIRP	Irp,
		IN PURB	Urb
	)

Definition at line 224 of file urb.c.

{
    PUSBPORT_DEVICE_HANDLE DeviceHandle;
    PUSBPORT_PIPE_HANDLE PipeHandle;
    PUSBPORT_ENDPOINT Endpoint;
    ULONG EndpointState;
    NTSTATUS Status;
 
    DPRINT_URB("USBPORT_SyncResetPipeAndClearStall: ... \n");
 
    ASSERT(Urb->UrbHeader.UsbdDeviceHandle);
    ASSERT(Urb->UrbHeader.Length == sizeof(struct _URB_PIPE_REQUEST));
    ASSERT(Urb->UrbPipeRequest.PipeHandle);
 
    DeviceHandle = Urb->UrbHeader.UsbdDeviceHandle;
    PipeHandle = Urb->UrbPipeRequest.PipeHandle;
 
    if (!USBPORT_ValidatePipeHandle(DeviceHandle, PipeHandle))
    {
        return USBPORT_USBDStatusToNtStatus(Urb,
                                            USBD_STATUS_INVALID_PIPE_HANDLE);
    }
 
    if (PipeHandle->Flags & PIPE_HANDLE_FLAG_NULL_PACKET_SIZE)
    {
        return USBPORT_USBDStatusToNtStatus(Urb, USBD_STATUS_SUCCESS);
    }
 
    Endpoint = PipeHandle->Endpoint;
    InterlockedIncrement(&DeviceHandle->DeviceHandleLock);
 
    if (Endpoint->EndpointProperties.TransferType != USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
    {
        Urb->UrbHeader.UsbdFlags |= USBD_FLAG_NOT_ISO_TRANSFER;
        Status = USBPORT_ClearStall(FdoDevice, Irp, Urb);
    }
    else
    {
        Status = USBPORT_USBDStatusToNtStatus(Urb, USBD_STATUS_SUCCESS);
    }
 
    if (NT_SUCCESS(Status))
    {
        Status = USBPORT_ResetPipe(FdoDevice, Irp, Urb);
 
        if (Endpoint->EndpointProperties.TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
        {
            while (TRUE)
            {
                KeAcquireSpinLock(&Endpoint->EndpointSpinLock,
                                  &Endpoint->EndpointOldIrql);
 
                EndpointState = USBPORT_GetEndpointState(Endpoint);
 
                if (EndpointState == USBPORT_ENDPOINT_PAUSED &&
                    IsListEmpty(&Endpoint->TransferList))
                {
                    USBPORT_SetEndpointState(Endpoint,
                                             USBPORT_ENDPOINT_ACTIVE);
                }
 
                KeReleaseSpinLock(&Endpoint->EndpointSpinLock,
                                  Endpoint->EndpointOldIrql);
 
                if (EndpointState == USBPORT_ENDPOINT_ACTIVE)
                {
                    break;
                }
 
                USBPORT_Wait(FdoDevice, 1);
            }
        }
    }
 
    InterlockedDecrement(&DeviceHandle->DeviceHandleLock);
 
    return Status;
}

Referenced by USBPORT_HandleSubmitURB().

USBPORT_ValidateTransferParametersURB()

NTSTATUS NTAPI USBPORT_ValidateTransferParametersURB

(

IN PURB

Urb

)

Definition at line 633 of file urb.c.

{
    struct _URB_CONTROL_TRANSFER *UrbRequest;
    PMDL Mdl;
 
    DPRINT_URB("USBPORT_ValidateTransferParametersURB: Urb - %p\n", Urb);
 
    UrbRequest = &Urb->UrbControlTransfer;
 
    if (UrbRequest->TransferBuffer == NULL &&
        UrbRequest->TransferBufferMDL == NULL &&
        UrbRequest->TransferBufferLength > 0)
    {
        DPRINT1("USBPORT_ValidateTransferParametersURB: Not valid parameter\n");
        USBPORT_DumpingURB(Urb);
        return STATUS_INVALID_PARAMETER;
    }
 
    if ((UrbRequest->TransferBuffer != NULL) &&
        (UrbRequest->TransferBufferMDL != NULL) &&
        UrbRequest->TransferBufferLength == 0)
    {
        DPRINT1("USBPORT_ValidateTransferParametersURB: Not valid parameter\n");
        USBPORT_DumpingURB(Urb);
        return STATUS_INVALID_PARAMETER;
    }
 
    if (UrbRequest->TransferBuffer != NULL &&
        UrbRequest->TransferBufferMDL == NULL &&
        UrbRequest->TransferBufferLength != 0)
    {
        DPRINT_URB("USBPORT_ValidateTransferParametersURB: TransferBuffer - %p, TransferBufferLength - %x\n",
                   UrbRequest->TransferBuffer,
                   UrbRequest->TransferBufferLength);
 
        Mdl = IoAllocateMdl(UrbRequest->TransferBuffer,
                            UrbRequest->TransferBufferLength,
                            FALSE,
                            FALSE,
                            NULL);
 
        if (!Mdl)
        {
            DPRINT1("USBPORT_ValidateTransferParametersURB: Not allocated Mdl\n");
            return STATUS_INSUFFICIENT_RESOURCES;
        }
 
        MmBuildMdlForNonPagedPool(Mdl);
 
        UrbRequest->TransferBufferMDL = Mdl;
        Urb->UrbHeader.UsbdFlags |= USBD_FLAG_ALLOCATED_MDL;
 
        DPRINT_URB("USBPORT_ValidateTransferParametersURB: Mdl - %p\n", Mdl);
    }
 
    return STATUS_SUCCESS;
}

Referenced by USBPORT_ValidateURB().

USBPORT_ValidateURB()

NTSTATUS NTAPI USBPORT_ValidateURB	(	IN PDEVICE_OBJECT	FdoDevice,
		IN PIRP	Irp,
		IN PURB	Urb,
		IN BOOLEAN	IsControlTransfer,
		IN BOOLEAN	IsNullTransfer
	)

Definition at line 693 of file urb.c.

{
    struct _URB_CONTROL_TRANSFER *UrbRequest;
    PUSBPORT_DEVICE_HANDLE DeviceHandle;
    NTSTATUS Status;
    USBD_STATUS USBDStatus;
 
    UrbRequest = &Urb->UrbControlTransfer;
 
    if (UrbRequest->UrbLink)
    {
        Status = USBPORT_USBDStatusToNtStatus(Urb,
                                              USBD_STATUS_INVALID_PARAMETER);
 
        DPRINT1("USBPORT_ValidateURB: Not valid parameter\n");
 
        USBPORT_DumpingURB(Urb);
        return Status;
    }
 
    DeviceHandle = Urb->UrbHeader.UsbdDeviceHandle;
 
    if (IsControlTransfer)
    {
        UrbRequest->TransferFlags |= USBD_DEFAULT_PIPE_TRANSFER;
        UrbRequest->PipeHandle = &DeviceHandle->PipeHandle;
    }
 
    if (UrbRequest->TransferFlags & USBD_DEFAULT_PIPE_TRANSFER)
    {
        if (UrbRequest->TransferBufferLength > 0x1000)
        {
            Status = USBPORT_USBDStatusToNtStatus(Urb,
                                                  USBD_STATUS_INVALID_PARAMETER);
 
            DPRINT1("USBPORT_ValidateURB: Not valid parameter\n");
 
            USBPORT_DumpingURB(Urb);
            return Status;
        }
 
        if (Urb->UrbHeader.Function == URB_FUNCTION_CONTROL_TRANSFER)
        {
            UrbRequest->PipeHandle = &DeviceHandle->PipeHandle;
        }
    }
 
    if (!USBPORT_ValidatePipeHandle(DeviceHandle, UrbRequest->PipeHandle))
    {
        Status = USBPORT_USBDStatusToNtStatus(Urb,
                                              USBD_STATUS_INVALID_PIPE_HANDLE);
 
        DPRINT1("USBPORT_ValidateURB: Not valid pipe handle\n");
 
        USBPORT_DumpingURB(Urb);
        return Status;
    }
 
    UrbRequest->hca.Reserved8[0] = NULL; // Transfer
 
    if (IsNullTransfer)
    {
        UrbRequest->TransferBuffer = 0;
        UrbRequest->TransferBufferMDL = NULL;
        UrbRequest->TransferBufferLength = 0;
    }
    else
    {
        Status = USBPORT_ValidateTransferParametersURB(Urb);
 
        if (!NT_SUCCESS(Status))
        {
            return Status;
        }
    }
 
    USBDStatus = USBPORT_AllocateTransfer(FdoDevice,
                                          Urb,
                                          DeviceHandle,
                                          Irp,
                                          NULL);
 
    Status = USBPORT_USBDStatusToNtStatus(Urb, USBDStatus);
 
    if (!NT_SUCCESS(Status))
    {
        DPRINT1("USBPORT_ValidateURB: Not allocated transfer\n");
    }
 
    return Status;
}

Referenced by USBPORT_HandleSubmitURB().