172 lines
7.4 KiB
C
172 lines
7.4 KiB
C
|
/* Parts of this file are covered under the following copyright */
|
||
|
/*
|
||
|
* Copyright (c) 1982, 1986, 1993
|
||
|
* The Regents of the University of California. All rights reserved.
|
||
|
*
|
||
|
* Redistribution and use in source and binary forms, with or without
|
||
|
* modification, are permitted provided that the following conditions
|
||
|
* are met:
|
||
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
* notice, this list of conditions and the following disclaimer.
|
||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
* documentation and/or other materials provided with the distribution.
|
||
|
* 3. All advertising materials mentioning features or use of this software
|
||
|
* must display the following acknowledgement:
|
||
|
* This product includes software developed by the University of
|
||
|
* California, Berkeley and its contributors.
|
||
|
* 4. Neither the name of the University nor the names of its contributors
|
||
|
* may be used to endorse or promote products derived from this software
|
||
|
* without specific prior written permission.
|
||
|
*
|
||
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
* SUCH DAMAGE.
|
||
|
*
|
||
|
* @(#)ip_icmp.h 8.1 (Berkeley) 6/10/93
|
||
|
*/
|
||
|
|
||
|
#ifndef NETINET_IP_ICMP_H
|
||
|
#define NETINET_IP_ICMP_H
|
||
|
|
||
|
#include <endian.h>
|
||
|
|
||
|
#include <netinet/in.h>
|
||
|
|
||
|
struct icmp {
|
||
|
uint8 icmp_type;
|
||
|
uint8 icmp_code;
|
||
|
uint16 icmp_cksum;
|
||
|
union {
|
||
|
uint8 ih_pptr;
|
||
|
struct in_addr ih_gwaddr;
|
||
|
struct ih_idseq {
|
||
|
n_short icd_id;
|
||
|
n_short icd_seq;
|
||
|
} ih_idseq;
|
||
|
int32 ih_void;
|
||
|
|
||
|
/* ICMP_UNREACH_NEEDFRAG (RFC 1191) */
|
||
|
struct ih_pmtu {
|
||
|
n_short ipm_void;
|
||
|
n_short ipm_nextmtu;
|
||
|
} ih_pmtu;
|
||
|
} icmp_hun;
|
||
|
union {
|
||
|
struct id_ts {
|
||
|
n_time its_otime;
|
||
|
n_time its_rtime;
|
||
|
n_time its_ttime;
|
||
|
} id_ts;
|
||
|
struct id_ip {
|
||
|
struct ip idi_ip;
|
||
|
} id_ip;
|
||
|
uint32 id_mask;
|
||
|
char id_data[1];
|
||
|
} icmp_dun;
|
||
|
};
|
||
|
|
||
|
#define icmp_pptr icmp_hun.ih_pptr
|
||
|
#define icmp_gwaddr icmp_hun.ih_gwaddr
|
||
|
#define icmp_id icmp_hun.ih_idseq.icd_id
|
||
|
#define icmp_seq icmp_hun.ih_idseq.icd_seq
|
||
|
#define icmp_void icmp_hun.ih_void
|
||
|
#define icmp_pmvoid icmp_hun.ih_pmtu.ipm_void
|
||
|
#define icmp_nextmtu icmp_hun.ih_pmtu.ipm_nextmtu
|
||
|
|
||
|
#define icmp_otime icmp_dun.id_ts.its_otime
|
||
|
#define icmp_rtime icmp_dun.id_ts.its_rtime
|
||
|
#define icmp_ttime icmp_dun.id_ts.its_ttime
|
||
|
#define icmp_ip icmp_dun.id_ip.idi_ip
|
||
|
#define icmp_mask icmp_dun.id_mask
|
||
|
#define icmp_data icmp_dun.id_data
|
||
|
|
||
|
#define ICMP_MINLEN 8 /* absolute minimum length */
|
||
|
#define ICMP_ADVLENMIN (8 + sizeof(struct ip) + 8)
|
||
|
#define ICMP_ADVLEN(p) (8 + ((p)->icmp_ip.ip_hl << 2) + 8)
|
||
|
|
||
|
/* Definition of type and code field values.
|
||
|
*http://www.iana.org/assignments/icmp-parameters
|
||
|
*/
|
||
|
#define ICMP_ECHOREPLY 0/* echo reply */
|
||
|
#define ICMP_UNREACH 3/* dest unreachable, codes: */
|
||
|
#define ICMP_SOURCEQUENCH 4/* packet lost, slow down */
|
||
|
#define ICMP_REDIRECT 5/* shorter route, codes: */
|
||
|
#define ICMP_ALTHOSTADDR 6/* alternate host address */
|
||
|
#define ICMP_ECHO 8/* echo service */
|
||
|
#define ICMP_ROUTERADVERT 9/* router advertisement */
|
||
|
#define ICMP_ROUTERSOLICIT 10/* router solicitation */
|
||
|
#define ICMP_TIMXCEED 11/* time exceeded, code: */
|
||
|
#define ICMP_PARAMPROB 12/* ip header bad */
|
||
|
#define ICMP_TSTAMP 13/* timestamp request */
|
||
|
#define ICMP_TSTAMPREPLY 14/* timestamp reply */
|
||
|
#define ICMP_IREQ 15/* information request */
|
||
|
#define ICMP_IREQREPLY 16/* information reply */
|
||
|
#define ICMP_MASKREQ 17/* address mask request */
|
||
|
#define ICMP_MASKREPLY 18/* address mask reply */
|
||
|
#define ICMP_TRACEROUTE 30/* traceroute */
|
||
|
#define ICMP_DATACONVERR 31/* data conversion error */
|
||
|
#define ICMP_MOBILE_REDIRECT 32/* mobile host redirect */
|
||
|
#define ICMP_IPV6_WHEREAREYOU 33/* IPv6 where-are-you */
|
||
|
#define ICMP_IPV6_IAMHERE 34/* IPv6 i-am-here */
|
||
|
#define ICMP_MOBILE_REGREQUEST 35/* mobile registration req */
|
||
|
#define ICMP_MOBILE_REGREPLY 36/* mobile registration reply */
|
||
|
#define ICMP_SKIP 39/* SKIP */
|
||
|
#define ICMP_PHOTURIS 40/* Photuris */
|
||
|
|
||
|
#define ICMP_MAXTYPE 40
|
||
|
|
||
|
#define ICMP_UNREACH_NET 0/* bad net */
|
||
|
#define ICMP_UNREACH_HOST 1/* bad host */
|
||
|
#define ICMP_UNREACH_PROTOCOL 2/* bad protocol */
|
||
|
#define ICMP_UNREACH_PORT 3/* bad port */
|
||
|
#define ICMP_UNREACH_NEEDFRAG 4/* IP_DF caused drop */
|
||
|
#define ICMP_UNREACH_SRCFAIL 5/* src route failed */
|
||
|
#define ICMP_UNREACH_NET_UNKNOWN 6/* unknown net */
|
||
|
#define ICMP_UNREACH_HOST_UNKNOWN 7/* unknown host */
|
||
|
#define ICMP_UNREACH_ISOLATED 8/* src host isolated */
|
||
|
#define ICMP_UNREACH_NET_PROHIB 9/* for crypto devs */
|
||
|
#define ICMP_UNREACH_HOST_PROHIB 10/* ditto */
|
||
|
#define ICMP_UNREACH_TOSNET 11/* bad tos for net */
|
||
|
#define ICMP_UNREACH_TOSHOST 12/* bad tos for host */
|
||
|
#define ICMP_UNREACH_FILTER_PROHIB 13/* prohibited access */
|
||
|
#define ICMP_UNREACH_HOST_PRECEDENCE 14/* precedence violat'n*/
|
||
|
#define ICMP_UNREACH_PRECEDENCE_CUTOFF 15/* precedence cutoff */
|
||
|
|
||
|
#define ICMP_REDIRECT_NET 0/* for network */
|
||
|
#define ICMP_REDIRECT_HOST 1/* for host */
|
||
|
#define ICMP_REDIRECT_TOSNET 2/* for tos and net */
|
||
|
#define ICMP_REDIRECT_TOSHOST 3/* for tos and host */
|
||
|
|
||
|
#define ICMP_ROUTERADVERT_NORMAL 0/* normal advertisement */
|
||
|
#define ICMP_ROUTERADVERT_NOROUTE_COMMON16/* selective routing */
|
||
|
|
||
|
#define ICMP_TIMXCEED_INTRANS 0/* ttl==0 in transit */
|
||
|
#define ICMP_TIMXCEED_REASS 1/* ttl==0 in reass */
|
||
|
|
||
|
#define ICMP_PARAMPROB_ERRATPTR 0/* req. opt. absent */
|
||
|
#define ICMP_PARAMPROB_OPTABSENT 1/* req. opt. absent */
|
||
|
#define ICMP_PARAMPROB_LENGTH 2/* bad length */
|
||
|
|
||
|
#define ICMP_PHOTURIS_UNKNOWN_INDEX 1/* unknown sec index */
|
||
|
#define ICMP_PHOTURIS_AUTH_FAILED 2/* auth failed */
|
||
|
#define ICMP_PHOTURIS_DECRYPT_FAILED 3/* decrypt failed */
|
||
|
|
||
|
|
||
|
#define ICMP_INFOTYPE(type) \
|
||
|
((type) == ICMP_ECHOREPLY || (type) == ICMP_ECHO || \
|
||
|
(type) == ICMP_ROUTERADVERT || (type) == ICMP_ROUTERSOLICIT || \
|
||
|
(type) == ICMP_TSTAMP || (type) == ICMP_TSTAMPREPLY || \
|
||
|
(type) == ICMP_IREQ || (type) == ICMP_IREQREPLY || \
|
||
|
(type) == ICMP_MASKREQ || (type) == ICMP_MASKREPLY)
|
||
|
|
||
|
#endif /* NETINET_IP_ICMP_H */
|