Sample Code
Windows Driver Samples/ Windows Filtering Platform Sample/ C++/ syslib/ HelperFunctions_ClassifyData.h/
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | //////////////////////////////////////////////////////////////////////////////////////////////////////// Copyright (c) 2012 Microsoft Corporation. All Rights Reserved.//// Module Name:// HelperFunctions_ClassifyData.h//// Abstract:// This module contains prototypes for kernel helper functions that assist with CLASSIFY_DATA.//// Author:// Dusty Harper (DHarper)//// Revision History://// [ Month ][Day] [Year] - [Revision]-[ Comments ]// May 01, 2010 - 1.0 - Creation//////////////////////////////////////////////////////////////////////////////////////////////////////#ifndef HELPERFUNCTIONS_CLASSIFY_DATA_H#define HELPERFUNCTIONS_CLASSIFY_DATA_H#if DBGextern INT64 g_OutstandingNBLReferences;#endif /// DBGtypedef struct CLASSIFY_DATA_{ const FWPS_INCOMING_VALUES* pClassifyValues; const FWPS_INCOMING_METADATA_VALUES* pMetadataValues; VOID* pPacket; /// NET_BUFFER_LIST | FWPS_STREAM_CALLOUT_IO_PACKET const VOID* pClassifyContext; const FWPS_FILTER* pFilter; UINT64 flowContext; FWPS_CLASSIFY_OUT* pClassifyOut; UINT64 classifyContextHandle; BOOLEAN chainedNBL; UINT32 numChainedNBLs;}CLASSIFY_DATA, *PCLASSIFY_DATA;_IRQL_requires_min_(PASSIVE_LEVEL)_IRQL_requires_max_(DISPATCH_LEVEL)_IRQL_requires_same_inline VOID KrnlHlprClassifyDataReleaseLocalCopy(_Inout_ CLASSIFY_DATA* pClassifyData);_At_(*ppClassifyData, _Pre_ _Notnull_)_At_(*ppClassifyData, _Post_ _Null_ __drv_freesMem(Pool))_IRQL_requires_min_(PASSIVE_LEVEL)_IRQL_requires_max_(DISPATCH_LEVEL)_IRQL_requires_same__Success_(*ppClassifyData == 0)inline VOID KrnlHlprClassifyDataDestroyLocalCopy(_Inout_ CLASSIFY_DATA** ppClassifyData);_IRQL_requires_min_(PASSIVE_LEVEL)_IRQL_requires_max_(DISPATCH_LEVEL)_IRQL_requires_same__Success_(return == STATUS_SUCCESS)NTSTATUS KrnlHlprClassifyDataAcquireLocalCopy(_Inout_ CLASSIFY_DATA* pClassifyData, _In_ const FWPS_INCOMING_VALUES* pClassifyValues, _In_ const FWPS_INCOMING_METADATA_VALUES* pMetadata, _In_opt_ VOID* pPacket, _In_opt_ const VOID* pClassifyContext, _In_ const FWPS_FILTER* pFilter, _In_ const UINT64 flowContext, _In_ FWPS_CLASSIFY_OUT* pClassifyOut);_At_(*ppClassifyData, _Pre_ _Null_)_When_(return != STATUS_SUCCESS, _At_(*ppClassifyData, _Post_ _Null_))_When_(return == STATUS_SUCCESS, _At_(*ppClassifyData, _Post_ _Notnull_ __drv_allocatesMem(Pool)))_IRQL_requires_min_(PASSIVE_LEVEL)_IRQL_requires_max_(DISPATCH_LEVEL)_IRQL_requires_same__Check_return__Success_(return == STATUS_SUCCESS)NTSTATUS KrnlHlprClassifyDataCreateLocalCopy(_Outptr_ CLASSIFY_DATA** ppClassifyData, _In_ const FWPS_INCOMING_VALUES* pClassifyValues, _In_ const FWPS_INCOMING_METADATA_VALUES* pMetadata, _In_opt_ VOID* pPacket, _In_opt_ const VOID* pClassifyContext, _In_ const FWPS_FILTER* pFilter, _In_ const UINT64 flowContext, _In_ FWPS_CLASSIFY_OUT* pClassifyOut);#endif /// HELPERFUNCTIONS_CLASSIFY_DATA_H |
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