libc/include/netinet/ip_icmp.h - platform/bionic - Git at Google

 /*	$OpenBSD: ip_icmp.h,v 1.21 2005/07/31 03:30:55 pascoe Exp $	*/
 /*	$NetBSD: ip_icmp.h,v 1.10 1996/02/13 23:42:28 christos Exp $	*/

 /*
  * 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. 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 <netinet/ip.h>
 #include <sys/cdefs.h>

 __BEGIN_DECLS

 /*
  * Interface Control Message Protocol Definitions.
  * Per RFC 792, September 1981.
  * RFC 950, August 1985. (Address Mask Request / Reply)
  * RFC 1256, September 1991. (Router Advertisement and Solicitation)
  * RFC 1108, November 1991. (Param Problem, Missing Req. Option)
  * RFC 1393, January 1993. (Traceroute)
  * RFC 1475, June 1993. (Datagram Conversion Error)
  * RFC 1812, June 1995. (adm prohib, host precedence, precedence cutoff)
  * RFC 2002, October 1996. (Mobility changes to Router Advertisement)
  */

 /*
  * ICMP Router Advertisement data
  */
 struct icmp_ra_addr {
 	uint32_t  ira_addr;
 	uint32_t  ira_preference;
 };

 /*
  * Structure of an icmp header.
  */
 struct icmp {
 	uint8_t  icmp_type;		/* type of message, see below */
 	uint8_t  icmp_code;		/* type sub code */
 	uint16_t icmp_cksum;		/* ones complement cksum of struct */
 	union {
 		uint8_t   ih_pptr;		/* ICMP_PARAMPROB */
 		struct in_addr ih_gwaddr;	/* ICMP_REDIRECT */
 		struct ih_idseq {
 			  uint16_t  icd_id;
 			  uint16_t  icd_seq;
 		} ih_idseq;
 		int32_t   ih_void;

 		/* ICMP_UNREACH_NEEDFRAG -- Path MTU Discovery (RFC1191) */
 		struct ih_pmtu {
 			  uint16_t  ipm_void;
 			  uint16_t  ipm_nextmtu;
 		} ih_pmtu;

 		struct ih_rtradv {
 			uint8_t   irt_num_addrs;
 			uint8_t   irt_wpa;
 			uint16_t  irt_lifetime;
 		} ih_rtradv;
 	} icmp_hun;
 #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_num_addrs	  icmp_hun.ih_rtradv.irt_num_addrs
 #define	icmp_wpa	  icmp_hun.ih_rtradv.irt_wpa
 #define	icmp_lifetime	  icmp_hun.ih_rtradv.irt_lifetime
 	union {
 		struct id_ts {
 			  uint32_t  its_otime;
 			  uint32_t  its_rtime;
 			  uint32_t  its_ttime;
 		} id_ts;
 		struct id_ip  {
 			  struct ip idi_ip;
 			  /* options and then 64 bits of data */
 		} id_ip;
 		uint32_t  id_mask;
 		int8_t	  id_data[1];
 	} icmp_dun;
 #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
 };

 /*
  * For IPv6 transition related ICMP errors.
  */
 #define	ICMP_V6ADVLENMIN	(8 + sizeof(struct ip) + 40)
 #define	ICMP_V6ADVLEN(p)	(8 + ((p)->icmp_ip.ip_hl << 2) + 40)

 /*
  * Lower bounds on packet lengths for various types.
  * For the error advice packets must first insure that the
  * packet is large enough to contain the returned ip header.
  * Only then can we do the check to see if 64 bits of packet
  * data have been returned, since we need to check the returned
  * ip header length.
  */
 #define	ICMP_MINLEN	8				/* abs minimum */
 #define	ICMP_TSLEN	(8 + 3 * sizeof (n_time))	/* timestamp */
 #define	ICMP_MASKLEN	12				/* address mask */
 #define	ICMP_ADVLENMIN	(8 + sizeof (struct ip) + 8)	/* min */
 #define	ICMP_ADVLEN(p)	(8 + ((p)->icmp_ip.ip_hl << 2) + 8)
 	/* N.B.: must separately check that ip_hl >= 5 */

 /*
  * 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_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_SOURCEQUENCH	4		/* packet lost, slow down */
 #define	ICMP_REDIRECT		5		/* shorter route, codes: */
 #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_ALTHOSTADDR	6		/* alternate host address */
 #define	ICMP_ECHO		8		/* echo service */
 #define	ICMP_ROUTERADVERT	9		/* router advertisement */
 #define	ICMP_ROUTERADVERT_NORMAL		0	/* normal advertisement */
 #define	ICMP_ROUTERADVERT_NOROUTE_COMMON	16	/* selective routing */
 #define	ICMP_ROUTERSOLICIT	10		/* router solicitation */
 #define	ICMP_TIMXCEED		11		/* time exceeded, code: */
 #define	ICMP_TIMXCEED_INTRANS	0		/* ttl==0 in transit */
 #define	ICMP_TIMXCEED_REASS	1		/* ttl==0 in reass */
 #define	ICMP_PARAMPROB		12		/* ip header bad */
 #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_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_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_MAXTYPE		40

 #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)

 __END_DECLS

 #endif /* _NETINET_IP_ICMP_H_ */
	/* $OpenBSD: ip_icmp.h,v 1.21 2005/07/31 03:30:55 pascoe Exp $ */
	/* $NetBSD: ip_icmp.h,v 1.10 1996/02/13 23:42:28 christos Exp $ */

	/*
	* 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. 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 <netinet/ip.h>
	#include <sys/cdefs.h>

	__BEGIN_DECLS

	/*
	* Interface Control Message Protocol Definitions.
	* Per RFC 792, September 1981.
	* RFC 950, August 1985. (Address Mask Request / Reply)
	* RFC 1256, September 1991. (Router Advertisement and Solicitation)
	* RFC 1108, November 1991. (Param Problem, Missing Req. Option)
	* RFC 1393, January 1993. (Traceroute)
	* RFC 1475, June 1993. (Datagram Conversion Error)
	* RFC 1812, June 1995. (adm prohib, host precedence, precedence cutoff)
	* RFC 2002, October 1996. (Mobility changes to Router Advertisement)
	*/

	/*
	* ICMP Router Advertisement data
	*/
	struct icmp_ra_addr {
	uint32_t ira_addr;
	uint32_t ira_preference;
	};

	/*
	* Structure of an icmp header.
	*/
	struct icmp {
	uint8_t icmp_type; /* type of message, see below */
	uint8_t icmp_code; /* type sub code */
	uint16_t icmp_cksum; /* ones complement cksum of struct */
	union {
	uint8_t ih_pptr; /* ICMP_PARAMPROB */
	struct in_addr ih_gwaddr; /* ICMP_REDIRECT */
	struct ih_idseq {
	uint16_t icd_id;
	uint16_t icd_seq;
	} ih_idseq;
	int32_t ih_void;

	/* ICMP_UNREACH_NEEDFRAG -- Path MTU Discovery (RFC1191) */
	struct ih_pmtu {
	uint16_t ipm_void;
	uint16_t ipm_nextmtu;
	} ih_pmtu;

	struct ih_rtradv {
	uint8_t irt_num_addrs;
	uint8_t irt_wpa;
	uint16_t irt_lifetime;
	} ih_rtradv;
	} icmp_hun;
	#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_num_addrs icmp_hun.ih_rtradv.irt_num_addrs
	#define icmp_wpa icmp_hun.ih_rtradv.irt_wpa
	#define icmp_lifetime icmp_hun.ih_rtradv.irt_lifetime
	union {
	struct id_ts {
	uint32_t its_otime;
	uint32_t its_rtime;
	uint32_t its_ttime;
	} id_ts;
	struct id_ip {
	struct ip idi_ip;
	/* options and then 64 bits of data */
	} id_ip;
	uint32_t id_mask;
	int8_t id_data[1];
	} icmp_dun;
	#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
	};

	/*
	* For IPv6 transition related ICMP errors.
	*/
	#define ICMP_V6ADVLENMIN (8 + sizeof(struct ip) + 40)
	#define ICMP_V6ADVLEN(p) (8 + ((p)->icmp_ip.ip_hl << 2) + 40)

	/*
	* Lower bounds on packet lengths for various types.
	* For the error advice packets must first insure that the
	* packet is large enough to contain the returned ip header.
	* Only then can we do the check to see if 64 bits of packet
	* data have been returned, since we need to check the returned
	* ip header length.
	*/
	#define ICMP_MINLEN 8 /* abs minimum */
	#define ICMP_TSLEN (8 + 3 * sizeof (n_time)) /* timestamp */
	#define ICMP_MASKLEN 12 /* address mask */
	#define ICMP_ADVLENMIN (8 + sizeof (struct ip) + 8) /* min */
	#define ICMP_ADVLEN(p) (8 + ((p)->icmp_ip.ip_hl << 2) + 8)
	/* N.B.: must separately check that ip_hl >= 5 */

	/*
	* 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_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_SOURCEQUENCH 4 /* packet lost, slow down */
	#define ICMP_REDIRECT 5 /* shorter route, codes: */
	#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_ALTHOSTADDR 6 /* alternate host address */
	#define ICMP_ECHO 8 /* echo service */
	#define ICMP_ROUTERADVERT 9 /* router advertisement */
	#define ICMP_ROUTERADVERT_NORMAL 0 /* normal advertisement */
	#define ICMP_ROUTERADVERT_NOROUTE_COMMON 16 /* selective routing */
	#define ICMP_ROUTERSOLICIT 10 /* router solicitation */
	#define ICMP_TIMXCEED 11 /* time exceeded, code: */
	#define ICMP_TIMXCEED_INTRANS 0 /* ttl==0 in transit */
	#define ICMP_TIMXCEED_REASS 1 /* ttl==0 in reass */
	#define ICMP_PARAMPROB 12 /* ip header bad */
	#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_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_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_MAXTYPE 40

	#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)

	__END_DECLS

	#endif /* _NETINET_IP_ICMP_H_ */