71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
//
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// Copyright (c) 1998-1999, Microsoft Corporation, all rights reserved
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//
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// pktlog.c
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//
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// IEEE1394 mini-port/call-manager driver
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//
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// Packet logging utilities.
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//
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// 10/12/1999 JosephJ Created
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//
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#define N1394_PKTLOG_DATA_SIZE 64 // Amount of data logged per packet.
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#define N1394_NUM_PKTLOG_ENTRIES 1000 // Size of log (circular buffer)
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//----------------------------------------------------------------------
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// P A C K E T L O G G I N G
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//----------------------------------------------------------------------
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// One (fixed-size) log entry.
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//
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typedef struct
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{
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ULONG Flags; // User-defined flags
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ULONG SequenceNo; // Sequence number of this entry
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LARGE_INTEGER TimeStamp; // Timestamp (KeQueryPerformanceCounter)
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ULONG SourceID;
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ULONG DestID;
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ULONG OriginalDataSize;
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ULONG Reserved;
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UCHAR Data[N1394_PKTLOG_DATA_SIZE];
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} N1394_PKTLOG_ENTRY, *PN1394_PKTLOG_ENTRY;
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typedef struct
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{
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LARGE_INTEGER InitialTimestamp; // In 100-nanoseconds.
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LARGE_INTEGER PerformanceFrequency; // In Hz.
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ULONG SequenceNo; // Current sequence number
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ULONG EntrySize; // sizeof(N1394_PKTLOG_ENTRY)
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ULONG NumEntries; // N1394_NUM_PKTLOG_ENTRIES
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N1394_PKTLOG_ENTRY Entries[N1394_NUM_PKTLOG_ENTRIES];
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} NIC1394_PKTLOG, *PNIC1394_PKTLOG;
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VOID
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nic1394InitPktLog(
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PNIC1394_PKTLOG pPktLog
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);
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VOID
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Nic1394LogPkt (
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PNIC1394_PKTLOG pPktLog,
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ULONG Flags,
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ULONG SourceID,
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ULONG DestID,
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PVOID pvData,
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ULONG cbData
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);
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