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78 lines
2.0 KiB
78 lines
2.0 KiB
/*++
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Copyright (c) 2001 Microsoft Corporation
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Module Name:
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info.h
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Abstract:
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This module contains the definitions for maintaining IP statistics.
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Author:
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Dave Thaler (dthaler) 10-Apr-2001
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--*/
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#pragma once
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extern CACHE_ALIGN IPSNMPInfo IPSInfo;
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extern ICMPv6Stats ICMPv6InStats;
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extern ICMPv6Stats ICMPv6OutStats;
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typedef struct CACHE_ALIGN IPInternalPerCpuStats {
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ulong ics_inreceives;
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ulong ics_indelivers;
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ulong ics_forwdatagrams;
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ulong ics_outrequests;
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} IPInternalPerCpuStats;
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#define IPS_MAX_PROCESSOR_BUCKETS 8
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extern IPInternalPerCpuStats IPPerCpuStats[IPS_MAX_PROCESSOR_BUCKETS];
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extern uint NumForwardingInterfaces;
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__forceinline
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void IPSIncrementInReceiveCount(void)
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{
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const ulong Index = KeGetCurrentProcessorNumber() % IPS_MAX_PROCESSOR_BUCKETS;
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IPPerCpuStats[Index].ics_inreceives++;
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}
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__forceinline
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void IPSIncrementInDeliverCount(void)
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{
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const ulong Index = KeGetCurrentProcessorNumber() % IPS_MAX_PROCESSOR_BUCKETS;
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IPPerCpuStats[Index].ics_indelivers++;
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}
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__forceinline
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void IPSIncrementOutRequestCount(void)
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{
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const ulong Index = KeGetCurrentProcessorNumber() % IPS_MAX_PROCESSOR_BUCKETS;
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IPPerCpuStats[Index].ics_outrequests++;
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}
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__forceinline
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void IPSIncrementForwDatagramCount(void)
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{
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const ulong Index = KeGetCurrentProcessorNumber() % IPS_MAX_PROCESSOR_BUCKETS;
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IPPerCpuStats[Index].ics_forwdatagrams++;
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}
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__inline
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void IPSGetTotalCounts(IPInternalPerCpuStats* Stats)
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{
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ulong Index;
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const ulong MaxIndex = MIN(KeNumberProcessors, IPS_MAX_PROCESSOR_BUCKETS);
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RtlZeroMemory(Stats, sizeof(IPInternalPerCpuStats));
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for (Index = 0; Index < MaxIndex; Index++) {
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Stats->ics_inreceives += IPPerCpuStats[Index].ics_inreceives;
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Stats->ics_indelivers += IPPerCpuStats[Index].ics_indelivers;
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Stats->ics_outrequests += IPPerCpuStats[Index].ics_outrequests;
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Stats->ics_forwdatagrams += IPPerCpuStats[Index].ics_forwdatagrams;
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}
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}
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