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149 lines
3.1 KiB
149 lines
3.1 KiB
/*++
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Copyright (c) 1995 Microsoft Corporation
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Module Name:
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ntos\tdi\isn\fwd\ddreqs.h
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Abstract:
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Management of demand dial request queues
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Author:
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Vadim Eydelman
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Revision History:
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--*/
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#ifndef _IPXFWD_DDREQS_
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#define _IPXFWD_DDREQS_
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// Connection requests to DIM
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// Queue of request that need to be satisfied by DIM
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extern LIST_ENTRY ConnectionRequestQueue;
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// Queue of request IRPs posted by the router manager
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extern LIST_ENTRY ConnectionIrpQueue;
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/*++
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I n i t i a l i z e C o n n e c t i o n Q u e u e s
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Routine Description:
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Initializes connection request and irp queues
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Arguments:
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None
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Return Value:
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None
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--*/
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//VOID
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//InitializeConnectionQueues (
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// void
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// );
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#define InitializeConnectionQueues() { \
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InitializeListHead (&ConnectionIrpQueue); \
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InitializeListHead (&ConnectionRequestQueue); \
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}
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/*++
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F i l l C o n n e c t i o n R e q u e s t
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Routine Description:
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Fills the provided buffer with index of interface that needs
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to be connected and packet that prompted the request
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Arguments:
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index - if index
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packet - packet that prompted the request
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data - pointer to IPX data (IPX header) inside of the packet
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request - request buffer to fill
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reqSize - size of request buffer
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bytesCopied - bytesCopied into the request buffer
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Return Value:
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STATUS_SUCCESS - array was filled successfully
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This routine assumes that there it is called only when there
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are outstanding requests in the request queue
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--*/
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VOID
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FillConnectionRequest (
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IN ULONG index,
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IN PNDIS_PACKET packet,
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IN PUCHAR data,
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IN OUT PFWD_DIAL_REQUEST request,
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IN ULONG reqSize,
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OUT PULONG bytesCopied
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);
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/*++
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F a i l C o n n e c t i o n R e q u e s t s
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Routine Description:
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Cleans up on connection request failure
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Arguments:
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InterfaceIndex - index of interface that could not be connected
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Return Value:
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STATUS_SUCCESS - clean up was successfull
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STATUS_UNSUCCESSFUL - interface with this index does not exist
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--*/
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NTSTATUS
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FailConnectionRequest (
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IN ULONG InterfaceIndex
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);
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/*++
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Q u e u e C o n n e c t i o n R e q u e s t
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Routine Description:
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Adds request to connected the interface to the queue
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Arguments:
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ifCB - control block of the interface that needs to be
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connected
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packet - packet that prompted the connection request
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data - pointer to actual data in the packet
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oldIRQL - IRQL at which interface lock was acquired
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Return Value:
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None
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Note that interface lock must be acquired before calling this
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routine which will release it
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--*/
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VOID
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QueueConnectionRequest (
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PINTERFACE_CB ifCB,
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PNDIS_PACKET packet,
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PUCHAR data,
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KIRQL oldIRQL
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);
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/*++
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D e q u e u e C o n n e c t i o n R e q u e s t
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Routine Description:
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Removes conection requset for the interface from the queue
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Arguments:
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ifCB - control block of the interface that needs to be
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removed
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Return Value:
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None
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--*/
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VOID
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DequeueConnectionRequest (
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PINTERFACE_CB ifCB
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);
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#endif
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