104 lines
1.8 KiB
C
104 lines
1.8 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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ipinip\icmpfn.h
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Abstract:
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header for icmpfn.c
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Author:
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Amritansh Raghav
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Revision History:
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AmritanR Created
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Notes:
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--*/
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#ifndef __IPINIP_ICMP_H__
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#define __IPINIP_ICMP_H___
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#include <packon.h>
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typedef struct _ICMP_HEADER
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{
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BYTE byType; // ICMP type
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BYTE byCode; // ICMP Code
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WORD wXSum; // Standard 1's complement checksum
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}ICMP_HEADER, *PICMP_HEADER;
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#pragma warning(disable:4201)
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typedef struct _ICMP_DGRAM_TOO_BIG_MSG
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{
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ICMP_HEADER;
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WORD wUnused;
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USHORT usMtu;
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}ICMP_DGRAM_TOO_BIG_MSG, *PICMP_DGRAM_TOO_BIG_MSG;
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#pragma warning(default:4201)
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#include <packoff.h>
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//
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// ICMP types and codes that we are interested in
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//
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#define ICMP_TYPE_DEST_UNREACHABLE 0x03
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#define ICMP_TYPE_TIME_EXCEEDED 0x0B
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#define ICMP_TYPE_PARAM_PROBLEM 0x0C
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#define ICMP_CODE_NET_UNREACHABLE 0x00
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#define ICMP_CODE_HOST_UNREACHABLE 0x01
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#define ICMP_CODE_PROTO_UNREACHABLE 0x02
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#define ICMP_CODE_PORT_UNREACHABLE 0x03
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#define ICMP_CODE_DGRAM_TOO_BIG 0x04
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#define DEST_UNREACH_LENGTH 8
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#define TIME_EXCEED_LENGTH 8
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typedef
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NTSTATUS
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(*PICMP_HANDLER)(
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PTUNNEL pTunnel,
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PICMP_HEADER pIcmpHeader,
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PIP_HEADER pInHeader
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);
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NTSTATUS
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HandleTimeExceeded(
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PTUNNEL pTunnel,
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PICMP_HEADER pIcmpHeader,
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PIP_HEADER pInHeader
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);
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NTSTATUS
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HandleDestUnreachable(
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PTUNNEL pTunnel,
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PICMP_HEADER pIcmpHeader,
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PIP_HEADER pInHeader
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);
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VOID
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IpIpTimerRoutine(
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PKDPC Dpc,
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PVOID DeferredContext,
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PVOID SystemArgument1,
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PVOID SystemArgument2
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);
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#endif // __IPINIP_ICMP_H___
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