1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/genericopenlibs/cstdlib/LINCINET/IP_ICMP.H Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,133 @@
1.4 +/* IP_ICMP.H
1.5 + *
1.6 + * Portions Copyright (c) 1997-1999 Nokia Corporation and/or its subsidiary(-ies).
1.7 + * All rights reserved.
1.8 + */
1.9 +
1.10 +/** @file
1.11 +@publishedAll
1.12 +@released
1.13 +*/
1.14 +
1.15 +/*
1.16 + * Copyright (c) 1982, 1986 Regents of the University of California.
1.17 + * All rights reserved.
1.18 + *
1.19 + * Redistribution and use in source and binary forms are permitted
1.20 + * provided that this notice is preserved and that due credit is given
1.21 + * to the University of California at Berkeley. The name of the University
1.22 + * may not be used to endorse or promote products derived from this
1.23 + * software without specific prior written permission. This software
1.24 + * is provided ``as is'' without express or implied warranty.
1.25 + */
1.26 +
1.27 +/*
1.28 + * Interface Control Message Protocol Definitions.
1.29 + * Per RFC 792, September 1981.
1.30 + */
1.31 +
1.32 +#ifndef _NETINET_IP_ICMP_H
1.33 +#define _NETINET_IP_ICMP_H
1.34 +
1.35 +#ifdef __cplusplus
1.36 +extern "C" {
1.37 +#endif
1.38 +
1.39 +/**
1.40 +Structure of an icmp header.
1.41 +*/
1.42 +struct icmp {
1.43 + u_char icmp_type; /* type of message, see below */
1.44 + u_char icmp_code; /* type sub code */
1.45 + u_short icmp_cksum; /* ones complement cksum of struct */
1.46 + union {
1.47 + u_char ih_pptr; /* ICMP_PARAMPROB */
1.48 + struct in_addr ih_gwaddr; /* ICMP_REDIRECT */
1.49 + struct ih_idseq {
1.50 + n_short icd_id;
1.51 + n_short icd_seq;
1.52 + } ih_idseq;
1.53 + int ih_void;
1.54 + } icmp_hun;
1.55 +#define icmp_pptr icmp_hun.ih_pptr
1.56 +#define icmp_gwaddr icmp_hun.ih_gwaddr
1.57 +#define icmp_id icmp_hun.ih_idseq.icd_id
1.58 +#define icmp_seq icmp_hun.ih_idseq.icd_seq
1.59 +#define icmp_void icmp_hun.ih_void
1.60 + union {
1.61 + struct id_ts {
1.62 + n_time its_otime;
1.63 + n_time its_rtime;
1.64 + n_time its_ttime;
1.65 + } id_ts;
1.66 + struct id_ip {
1.67 + struct ip idi_ip;
1.68 + /* options and then 64 bits of data */
1.69 + } id_ip;
1.70 + u_long id_mask;
1.71 + char id_data[1];
1.72 + } icmp_dun;
1.73 +#define icmp_otime icmp_dun.id_ts.its_otime
1.74 +#define icmp_rtime icmp_dun.id_ts.its_rtime
1.75 +#define icmp_ttime icmp_dun.id_ts.its_ttime
1.76 +#define icmp_ip icmp_dun.id_ip.idi_ip
1.77 +#define icmp_mask icmp_dun.id_mask
1.78 +#define icmp_data icmp_dun.id_data
1.79 +};
1.80 +
1.81 +/**
1.82 +Lower bounds on packet lengths for various types.
1.83 +For the error advice packets must first insure that the
1.84 +packet is large enought to contain the returned ip header.
1.85 +Only then can we do the check to see if 64 bits of packet
1.86 +data have been returned, since we need to check the returned
1.87 +ip header length.
1.88 +*/
1.89 +#define ICMP_MINLEN 8 /* abs minimum */
1.90 +#define ICMP_TSLEN (8 + 3 * sizeof (n_time)) /* timestamp */
1.91 +#define ICMP_MASKLEN 12 /* address mask */
1.92 +#define ICMP_ADVLENMIN (8 + sizeof (struct ip) + 8) /* min */
1.93 +#define ICMP_ADVLEN(p) (8 + ((p)->icmp_ip.ip_hl << 2) + 8)
1.94 + /* N.B.: must separately check that ip_hl >= 5 */
1.95 +
1.96 +/**
1.97 +Definition of type and code field values.
1.98 +*/
1.99 +#define ICMP_ECHOREPLY 0 /* echo reply */
1.100 +#define ICMP_UNREACH 3 /* dest unreachable, codes: */
1.101 +#define ICMP_UNREACH_NET 0 /* bad net */
1.102 +#define ICMP_UNREACH_HOST 1 /* bad host */
1.103 +#define ICMP_UNREACH_PROTOCOL 2 /* bad protocol */
1.104 +#define ICMP_UNREACH_PORT 3 /* bad port */
1.105 +#define ICMP_UNREACH_NEEDFRAG 4 /* IP_DF caused drop */
1.106 +#define ICMP_UNREACH_SRCFAIL 5 /* src route failed */
1.107 +#define ICMP_SOURCEQUENCH 4 /* packet lost, slow down */
1.108 +#define ICMP_REDIRECT 5 /* shorter route, codes: */
1.109 +#define ICMP_REDIRECT_NET 0 /* for network */
1.110 +#define ICMP_REDIRECT_HOST 1 /* for host */
1.111 +#define ICMP_REDIRECT_TOSNET 2 /* for tos and net */
1.112 +#define ICMP_REDIRECT_TOSHOST 3 /* for tos and host */
1.113 +#define ICMP_ECHO 8 /* echo service */
1.114 +#define ICMP_TIMXCEED 11 /* time exceeded, code: */
1.115 +#define ICMP_TIMXCEED_INTRANS 0 /* ttl==0 in transit */
1.116 +#define ICMP_TIMXCEED_REASS 1 /* ttl==0 in reass */
1.117 +#define ICMP_PARAMPROB 12 /* ip header bad */
1.118 +#define ICMP_TSTAMP 13 /* timestamp request */
1.119 +#define ICMP_TSTAMPREPLY 14 /* timestamp reply */
1.120 +#define ICMP_IREQ 15 /* information request */
1.121 +#define ICMP_IREQREPLY 16 /* information reply */
1.122 +#define ICMP_MASKREQ 17 /* address mask request */
1.123 +#define ICMP_MASKREPLY 18 /* address mask reply */
1.124 +#define ICMP_MAXTYPE 18
1.125 +
1.126 +#define ICMP_INFOTYPE(type) \
1.127 + ((type) == ICMP_ECHOREPLY || (type) == ICMP_ECHO || \
1.128 + (type) == ICMP_TSTAMP || (type) == ICMP_TSTAMPREPLY || \
1.129 + (type) == ICMP_IREQ || (type) == ICMP_IREQREPLY || \
1.130 + (type) == ICMP_MASKREQ || (type) == ICMP_MASKREPLY)
1.131 +
1.132 +#ifdef __cplusplus
1.133 +}
1.134 +#endif
1.135 +
1.136 +#endif /* _NETINET_IP_ICMP_H */