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80c1df8be2
- Add the NDISUIO driver to allow communication between user-mode and kernel-mode NIC drivers - Only the IOCTLs required for WLAN are implemented right now - Initial source drop without build testing svn path=/branches/wlan-bringup/; revision=54810
64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS NDIS User I/O driver
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* FILE: createclose.c
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* PURPOSE: IRP_MJ_CREATE and IRP_MJ_CLOSE handling
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* PROGRAMMERS: Cameron Gutman (cameron.gutman@reactos.org)
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*/
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#include "ndisuio.h"
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#define NDEBUG
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#include <debug.h>
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NTSTATUS
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NTAPI
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NduDispatchCreate(PDEVICE_OBJECT DeviceObject,
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PIRP Irp)
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{
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PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation(Irp);
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ASSERT(DeviceObject == GlobalDeviceObject);
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/* This is associated with an adapter during IOCTL_NDISUIO_OPEN_(WRITE_)DEVICE */
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IrpSp->FileObject->FsContext = NULL;
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IrpSp->FileObject->FsContext2 = NULL;
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/* Completed successfully */
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Irp->IoStatus.Status = STATUS_SUCCESS;
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Irp->IoStatus.Information = FILE_OPENED;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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/* Return success */
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return STATUS_SUCCESS;
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}
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NTSTATUS
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NTAPI
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NduDispatchClose(PDEVICE_OBJECT DeviceObject,
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PIRP Irp)
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{
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PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation(Irp);
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PNDISUIO_ADAPTER_CONTEXT AdapterContext = IrpSp->FileObject->FsContext;
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PNDISUIO_OPEN_ENTRY OpenEntry = IrpSp->FileObject->FsContext2;
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KIRQL OldIrql;
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ASSERT(DeviceObject == GlobalDeviceObject);
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/* Check if this handle was ever associated with an adapter */
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if (AdapterContext != NULL)
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{
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ASSERT(OpenEntry != NULL);
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/* Call the our helper */
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DereferenceAdapterContextWithOpenEntry(AdapterContext, OpenEntry);
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}
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/* Completed */
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Irp->IoStatus.Status = STATUS_SUCCESS;
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Irp->IoStatus.Information = 0;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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/* Return success */
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return STATUS_SUCCESS;
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} |