146 lines
7.5 KiB
C
146 lines
7.5 KiB
C
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/************************************************************************/
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/* */
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/* ***** ***** */
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/* ***** ***** */
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/* ***** ***** */
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/* ***** ***** */
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/* *************** *************** */
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/* ***************** ***************** */
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/* *************** *************** */
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/* ***** ***** TheNetNode */
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/* ***** ***** Portable */
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/* ***** ***** Network */
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/* ***** ***** Software */
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/* */
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/* File include/icmp.h (maintained by: DG1KWA) */
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/* */
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/* This file is part of "TheNetNode" - Software Package */
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/* */
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/* Copyright (C) 1998 - 2008 NORD><LINK e.V. Braunschweig */
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/* */
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/* This program is free software; you can redistribute it and/or modify */
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/* it under the terms of the NORD><LINK ALAS (Allgemeine Lizenz fuer */
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/* Amateurfunk Software) as published by Hans Georg Giese (DF2AU) */
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/* on 13/Oct/1992; either version 1, or (at your option) any later */
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/* version. */
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/* */
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/* This program is distributed WITHOUT ANY WARRANTY only for further */
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/* development and learning purposes. See the ALAS (Allgemeine Lizenz */
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/* fuer Amateurfunk Software). */
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/* */
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/* You should have received a copy of the NORD><LINK ALAS (Allgemeine */
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/* Lizenz fuer Amateurfunk Software) along with this program; if not, */
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/* write to NORD><LINK e.V., Hinter dem Berge 5, D-38108 Braunschweig */
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/* */
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/* Dieses Programm ist PUBLIC DOMAIN, mit den Einschraenkungen durch */
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/* die ALAS (Allgemeine Lizenz fuer Amateurfunk Software), entweder */
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/* Version 1, veroeffentlicht von Hans Georg Giese (DF2AU), */
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/* am 13.Oct.1992, oder (wenn gewuenscht) jede spaetere Version. */
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/* */
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/* Dieses Programm wird unter Haftungsausschluss vertrieben, aus- */
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/* schliesslich fuer Weiterentwicklungs- und Lehrzwecke. Naeheres */
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/* koennen Sie der ALAS (Allgemeine Lizenz fuer Amateurfunk Software) */
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/* entnehmen. */
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/* */
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/* Sollte dieser Software keine ALAS (Allgemeine Lizenz fuer Amateur- */
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/* funk Software) beigelegen haben, wenden Sie sich bitte an */
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/* NORD><LINK e.V., Hinter dem Berge 5, D-38108 Braunschweig */
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/* */
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/************************************************************************/
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/* SNMP MIB variables, used for statistics and control. See RFC 1066 */
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#define icmpInMsgs Icmp_mib[1].value.integer
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#define icmpInErrors Icmp_mib[2].value.integer
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#define icmpInDestUnreachs Icmp_mib[3].value.integer
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#define icmpInTimeExcds Icmp_mib[4].value.integer
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#define icmpInParmProbs Icmp_mib[5].value.integer
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#define icmpInSrcQuenchs Icmp_mib[6].value.integer
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#define icmpInRedirects Icmp_mib[7].value.integer
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#define icmpInEchos Icmp_mib[8].value.integer
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#define icmpInEchoReps Icmp_mib[9].value.integer
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#define icmpInTimestamps Icmp_mib[10].value.integer
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#define icmpInTimestampReps Icmp_mib[11].value.integer
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#define icmpInAddrMasks Icmp_mib[12].value.integer
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#define icmpInAddrMaskReps Icmp_mib[13].value.integer
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#define icmpOutMsgs Icmp_mib[14].value.integer
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#define icmpOutErrors Icmp_mib[15].value.integer
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#define icmpOutDestUnreachs Icmp_mib[16].value.integer
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#define icmpOutTimeExcds Icmp_mib[17].value.integer
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#define icmpOutParmProbs Icmp_mib[18].value.integer
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#define icmpOutSrcQuenchs Icmp_mib[19].value.integer
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#define icmpOutRedirects Icmp_mib[20].value.integer
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#define icmpOutEchos Icmp_mib[21].value.integer
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#define icmpOutEchoReps Icmp_mib[22].value.integer
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#define icmpOutTimestamps Icmp_mib[23].value.integer
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#define icmpOutTimestampReps Icmp_mib[24].value.integer
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#define icmpOutAddrMasks Icmp_mib[25].value.integer
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#define icmpOutAddrMaskReps Icmp_mib[26].value.integer
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#define NUMICMPMIB 26
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/* Internet Control Message Protocol */
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/* Message types */
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#define ICMP_ECHO_REPLY 0 /* Echo Reply */
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#define ICMP_DEST_UNREACH 3 /* Destination Unreachable */
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#define ICMP_QUENCH 4 /* Source Quench */
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#define ICMP_REDIRECT 5 /* Redirect */
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#define ICMP_ECHO 8 /* Echo Request */
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#define ICMP_TIME_EXCEED 11 /* Time-to-live Exceeded */
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#define ICMP_PARAM_PROB 12 /* Parameter Problem */
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#define ICMP_TIMESTAMP 13 /* Timestamp */
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#define ICMP_TIME_REPLY 14 /* Timestamp Reply */
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#define ICMP_INFO_RQST 15 /* Information Request */
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#define ICMP_INFO_REPLY 16 /* Information Reply */
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#define ICMP_ADDR_MASK 17 /* Address mask request */
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#define ICMP_ADDR_MASK_REPLY 18 /* Address mask reply */
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#define ICMP_TYPES 19
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/* Internal format of an ICMP header */
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typedef struct icmp_ {
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char type;
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char code;
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union icmp_args {
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int mtu;
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int unused;
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unsigned char pointer;
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ipaddr address;
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struct {
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int id;
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int seq;
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} echo;
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} args;
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unsigned checksum;
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} ICMP ;
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#define ICMPLEN 8 /* Length of ICMP header on the net */
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#define NULLICMP (union icmp_args *)NULL
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/* Destination Unreachable codes */
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#define ICMP_NET_UNREACH 0 /* Net unreachable */
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#define ICMP_HOST_UNREACH 1 /* Host unreachable */
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#define ICMP_PROT_UNREACH 2 /* Protocol unreachable */
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#define ICMP_PORT_UNREACH 3 /* Port unreachable */
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#define ICMP_FRAG_NEEDED 4 /* Fragmentation needed and DF set */
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#define ICMP_ROUTE_FAIL 5 /* Source route failed */
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#define NUNREACH 6
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/* Time Exceeded codes */
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#define ICMP_TTL_EXCEED 0 /* Time-to-live exceeded */
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#define ICMP_FRAG_EXCEED 1 /* Fragment reassembly time exceeded */
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#define NEXCEED 2
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/* Redirect message codes */
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#define ICMP_REDR_NET 0 /* Redirect for the network */
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#define ICMP_REDR_HOST 1 /* Redirect for the host */
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#define ICMP_REDR_TOS 2 /* Redirect for Type of Service, or-ed with prev */
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#define NREDIRECT 3
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void icmp_output(IP *,MBHEAD *,unsigned ,unsigned ,union icmp_args *);
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MBHEAD *htonicmp(ICMP *,MBHEAD *);
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void icmp_input(IP *,MBHEAD *);
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/* End of $RCSfile$ */
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