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254 lines
9.0 KiB
254 lines
9.0 KiB
/*
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(C) Copyright 1998
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All rights reserved.
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§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§
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Portions of this software are:
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(C) Copyright 1994 TriplePoint, Inc. -- http://www.TriplePoint.com
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License to use this software is granted under the same terms
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outlined in the Microsoft Windows Device Driver Development Kit.
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(C) Copyright 1992 Microsoft Corp. -- http://www.Microsoft.com
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License to use this software is granted under the terms outlined in
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the Microsoft Windows Device Driver Development Kit.
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§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§
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@doc INTERNAL TpiParam TpiParam_h
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@module TpiParam.h |
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This module, along with <f TpiParam\.c>, implements a table driven parser
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for the NDIS registry parameters. This file defines the parameter
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parsing structures and values used by the routine <f ParamParseRegistry>.
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You should #include this file into the driver module defining the
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configuration parameter table <t PARAM_TABLE>.
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@comm
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See <f Keywords\.h> for details of how to add new parameters.
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This is a driver independent module which can be re-used, without
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change, by any NDIS3 driver.
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@head3 Contents |
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@index class,mfunc,func,msg,mdata,struct,enum | TpiParam_h
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@end
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*/
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#ifndef _TPIPARAM_H
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#define _TPIPARAM_H
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#if !defined(NDIS_NT) && !defined(UNICODE_NULL)
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/*
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// These types were culled from the NT ndis.h file
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// We should be compiling with the NT DDK's ndis.h to get these,
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// but sometimes we need to compile with the 95 DDK ndis.h.
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*/
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#undef PUNICODE_STRING
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typedef USHORT WCHAR;
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typedef WCHAR *PWSTR;
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typedef STRING ANSI_STRING;
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typedef PSTRING PANSI_STRING;
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/*
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// Unicode strings are counted 16-bit character strings. If they are
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// NULL terminated, Length does not include trailing NULL.
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*/
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typedef struct _UNICODE_STRING {
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USHORT Length;
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USHORT MaximumLength;
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#ifdef MIDL_PASS
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[size_is(MaximumLength / 2), length_is((Length) / 2) ] USHORT * Buffer;
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#else // MIDL_PASS
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PWSTR Buffer;
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#endif // MIDL_PASS
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} UNICODE_STRING;
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typedef UNICODE_STRING *PUNICODE_STRING;
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#define UNICODE_NULL ((WCHAR)0) // winnt
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#endif // NDIS_NT
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/* @doc INTERNAL TpiParam TpiParam_h PARAM_ENTRY
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§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§
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@func <t PARAM_TABLE> | PARAM_ENTRY |
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This macro is used to define an entry in the registry parameter table,
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one entry per parameter. See <t PARAM_TABLE> for more details on the
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expected input values.
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@parm struct | Strct | The structure type associated with <f Field>.
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@parm type | Field | The name of the field within the structure <f Strct>.
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@parm const char * | Name | The name of the registry parameter key.
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@parm BOOL | Required | True if parameter is required.
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@parm NDIS_PARAMETER_TYPE | Type | The kind of parameter value.
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@parm UCHAR | Flags | How to return a string parameter value (ANSI, UNICODE).
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@parm UINT | Default | The default value for an undefined integer parameter.
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@parm UINT | Min | The minimum value for an integer parameter.
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@parm UINT | Max | The minimum value for an integer parameter.
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@comm
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Parameters that need to be stored in different data structures, need to
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be declared in separate parameter tables, and then parsed separately
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using mulitple calls to <f ParamParseRegistry>.
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@iex
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PARAM_TABLE ParameterTable[] =
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{
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PARAM_ENTRY(MINIPORT_CONTEXT, DbgFlags, PARAM_DEBUGFLAGS_STRING,
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FALSE, NdisParameterHexInteger, 0,
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DBG_ERROR_ON|DBG_WARNING_ON, 0, 0xffffffff),
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// The last entry must be an empty string!
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{ { 0 } }
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};
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@normal
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*/
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#if defined(_IA64_)
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# define PARAM_OFFSET(Strct, Field) ((LONG)(LONG_PTR)&(((Strct *)0)->Field))
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#else
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# define PARAM_OFFSET(Strct, Field) ((UINT)((PUCHAR) &((Strct *) 0)->Field))
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#endif
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#define PARAM_SIZEOF(Strct, Field) sizeof(((Strct *) 0)->Field)
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#define PARAM_ENTRY(Strct, Field, Name, \
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Required, Type, Flags, \
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Default, Min, Max) \
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{ NDIS_STRING_CONST(Name), \
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Required, \
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Type, \
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Flags, \
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PARAM_SIZEOF(Strct, Field), \
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PARAM_OFFSET(Strct, Field), \
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(PVOID) (Default), \
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Min, \
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Max }
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/* @doc INTERNAL TpiParam TpiParam_h PARAM_TABLE
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§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§§
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@struct PARAM_TABLE |
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This structure defines how a parameter is to be parsed from the Windows
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registry. The driver declares an array of these parameter records and
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passes it to <f ParamParseRegistry> during initialization. The values
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for each parameter are then read from the registry and can be used to
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configure the driver.
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<nl>
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<f Note>: Multiple parameter tables can be used to parse parameters that
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must be stored in different memory locations.
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*/
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typedef struct PARAM_TABLE
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{
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NDIS_STRING RegVarName; // @field
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// Parameter name string declared as an <t NDIS_STRING>. The registry
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// parameter key must match this string.
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UCHAR Mandantory; // @field
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// Set to FALSE, zero, if parameter value is optional; otherwise set to
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// TRUE, non-zero, if the parameter is required to exist in the registry.
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// If FALSE, and the parameter does not exist, the <y Default> value will
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// be returned. If TRUE, and the parameter does not exist, an error code
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// is returned and no further parsing is done.
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UCHAR Type; // @field
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// This value determines how the parameter will be parsed from the
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// registry. The value can be one of the following values defined
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// by <t NDIS_PARAMETER_TYPE>.
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// <nl>0=NdisParameterInteger - Decimal integer value.
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// <nl>1=NdisParameterHexInteger - Hexadecimal integer value.
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// <nl>2=NdisParameterString - Single UNICODE string value.
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// <nl>3=NdisParameterMultiString - Multiple UNICODE string values.
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// These are returned as a list of N strings, separated by NULL
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// terminators, the last string is followed by two NULL terminators.
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UCHAR Flags; // @field
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// This value determines how a string parameter will be translated before
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// it is returned to the caller. <f Flags> can be one of the following
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// values:
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// <nl>0=PARAM_FLAGS_ANSISTRING - Return string value as an ANSI string.
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// <nl>0=PARAM_FLAGS_ANSISTRING - Return string value as a UNICODE string.
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# define PARAM_FLAGS_ANSISTRING 0
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# define PARAM_FLAGS_UNICODESTRING 1
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UCHAR Size; // @field
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// This value determines how an integer parameter will be translated
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// before it is returned to the caller. <f Size> can be one of the
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// following values:
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// <nl>0=UINT - unsigned integer (16 or 32 bits).
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// <nl>1=UCHAR - unsigned char integer (8 bits).
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// <nl>2=USHORT - unsigned short integer (16 bits).
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// <nl>4=ULONG - unsigned long integer (32 bits).
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// <f Note>: The most-significant bits will be truncated in the conversion.
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UINT Offset; // @field
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// This value indicates the offset, in bytes, from the <f BaseContext>
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// pointer passed into <f ParamParseRegistry>. The return value for
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// the parameter will be saved at this offset from <f BaseContext>.
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// <nl>*(PUINT)((PUCHAR)BaseContext+Offset) = (UINT) Value;
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PVOID Default; // @field
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// This value is used as the default value for the parameter if it is
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// not found in the registry, and it is not mandatory. This only applys
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// to integer parameters. String parameters must provide support for
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// their own default values.
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UINT Min; // @field
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// If this value is non-zero, and the parameter is an integer type, the
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// registry value will be compared to make sure it is \>= <f Min>.
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// If the registry value is less, the returned value will be set to
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// <f Min> and no error is returned.
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UINT Max; // @field
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// If this value is non-zero, and the parameter is an integer type, the
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// registry value will be compared to make sure it is \<= <f Max>.
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// If the registry value is greater, the returned value will be set to
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// <f Max> and no error is returned.
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UINT Reserved; // @field
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// This field is not currently used, and it must be zero for future
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// compatability.
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} PARAM_TABLE, *PPARAM_TABLE;
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extern USHORT ustrlen(
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IN PUSHORT string
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);
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extern NDIS_STATUS ParamParseRegistry(
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IN NDIS_HANDLE AdapterHandle,
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IN NDIS_HANDLE RegistryConfigHandle,
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IN PUCHAR BaseContext,
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IN PPARAM_TABLE Parameters
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);
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extern VOID ParamUnicodeStringToAnsiString(
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OUT PANSI_STRING out,
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IN PUNICODE_STRING in
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);
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extern VOID ParamUnicodeCopyString(
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OUT PUNICODE_STRING out,
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IN PUNICODE_STRING in
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);
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#endif // _TPIPARAM_H
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