QueryProviderCompletion(
  IN  PDEVICE_OBJECT DeviceContext,
  IN  PIRP Irp,
  IN  PVOID Context
  );

Routine Description:

    This routine handles the completion event when the Query Provider
    Information completes.  This routine must decrement the MaxDgramSize
    and max send size by the respective NBT header sizes.

Arguments:

    DeviceObject - unused.

    Irp - Supplies Irp that the transport has finished processing.

    Context - not used

Return Value:

    The final status from the operation (success or an exception).