152 lines
3.6 KiB
C
152 lines
3.6 KiB
C
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/*++
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Copyright (c) 1991 Microsoft Corporation
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Module Name:
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dlcreg.h
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Abstract:
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Defines, Structures, Typedefs, Macros, Externs and Prototypes for dlcreg.c
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Author:
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Richard L Firth (rfirth) 31-Mar-1993
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Revision History:
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30-Mar-1993 rfirth
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created
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04-May-1994 rfirth
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Exposed GetAdapterParameters
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--*/
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#ifndef _DLCREG_
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#define _DLCREG_
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//
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// manifests
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//
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#define PARAMETER_AS_SPECIFIED ((ULONG)-1)
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#define PARAMETER_IS_BOOLEAN 1
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#define PARAMETER_IS_UCHAR 2
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//
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// types
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//
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//
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// REGISTRY_PARAMETER_DESCRIPTOR - structure used to get values from registry
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// entries. Maintains information about a registry entry and supplies a default
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// value should the registry entry not be available
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//
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typedef struct {
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ULONG Type; // expected type
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ULONG RealType; // eg. PARAMETER_BOOLEAN
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PVOID Value; // default value if REG_DWORD, or pointer to default value
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ULONG Length; // IN: expected length of variable; OUT: actual length
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PVOID Variable; // pointer to variable to update from registry
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ULONG LowerLimit; // lower limit for REG_DWORD values
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ULONG UpperLimit; // upper limit for REG_DWORD values
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} REGISTRY_PARAMETER_DESCRIPTOR, *PREGISTRY_PARAMETER_DESCRIPTOR;
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//
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// DLC_REGISTRY_PARAMETER - describes an entry in the DLC\Parameters\<adapter>
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// section. Supplies the name of the parameter and its default value
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//
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typedef struct {
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PWSTR ParameterName;
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PVOID DefaultValue;
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REGISTRY_PARAMETER_DESCRIPTOR Descriptor;
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} DLC_REGISTRY_PARAMETER, *PDLC_REGISTRY_PARAMETER;
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//
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// ADAPTER_CONFIGURATION_INFO - for each adapter that DLC can talk to, there is
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// potentially the following configuration information which can be stored in
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// the DLC\Parameters\<adapter_name> key. The values are not necessarily stored
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// in the format in which they are used internally
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//
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typedef struct {
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//
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// SwapAddressBits - when talking over Ethernet, defines whether to swap the
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// outgoing destination address bits and incoming source address bits
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//
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BOOLEAN SwapAddressBits;
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//
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// UseDix - if the Ethernet type in the DIR.OPEN.ADAPTER is set to default,
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// then we consult this flag to determine whether to send DIX or 802.3
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// format Ethernet frames. The default is 802.3 (ie UseDix = 0)
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//
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BOOLEAN UseDix;
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//
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// T1TickOne, T2TickOne, TiTickOne, T1TickTwo, T2TickTwo, TiTickTwo - timer
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// tick values in 40mSec increments. Contained in LLC_TICKS structure
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//
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LLC_TICKS TimerTicks;
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//
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// UseEthernetFrameSize - if set for a non-TR card then we use the value
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// reported by ethernet cards for the maximum frame size, else we query
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// the MAC for the maximum supported frame size.
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// Bridging is the mother of this invention: we need some way to influence
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// DLC's maximum frame size when talking over non-Token Ring nets - FDDI
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// and Ethernet in this case.
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//
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BOOLEAN UseEthernetFrameSize;
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} ADAPTER_CONFIGURATION_INFO, *PADAPTER_CONFIGURATION_INFO;
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//
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// prototypes
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//
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VOID
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DlcRegistryInitialization(
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IN PUNICODE_STRING RegistryPath
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);
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VOID
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DlcRegistryTermination(
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VOID
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);
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VOID
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LoadDlcConfiguration(
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VOID
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);
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VOID
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LoadAdapterConfiguration(
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IN PUNICODE_STRING AdapterName,
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OUT PADAPTER_CONFIGURATION_INFO ConfigInfo
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);
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NTSTATUS
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GetAdapterParameters(
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IN PUNICODE_STRING AdapterName,
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IN PDLC_REGISTRY_PARAMETER Parameters,
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IN ULONG NumberOfParameters,
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IN BOOLEAN SetOnFail
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);
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#ifdef NDIS40
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NTSTATUS
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GetAdapterWaitTimeout(PULONG pulWait);
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#endif // NDIS40
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#endif // _DLCREG_
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