ext/dnet/icmp.h - public/gem5 - Git at Google

 /*
  * icmp.h
  *
  * Internet Control Message Protocol.
  * RFC 792, 950, 1256, 1393, 1475, 2002, 2521
  *
  * Copyright (c) 2000 Dug Song <dugsong@monkey.org>
  *
  * $Id: icmp.h,v 1.14 2003/03/16 17:39:17 dugsong Exp $
  */

 #ifndef DNET_ICMP_H
 #define DNET_ICMP_H

 #define ICMP_HDR_LEN	4	/* base ICMP header length */
 #define ICMP_LEN_MIN	8	/* minimum ICMP message size, with header */

 #ifndef __GNUC__
 # define __attribute__(x)
 # pragma pack(1)
 #endif

 /*
  * ICMP header
  */
 struct icmp_hdr {
         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 */
 };

 /*
  * Types (icmp_type) and codes (icmp_code) -
  * http://www.iana.org/assignments/icmp-parameters
  */
 #define		ICMP_CODE_NONE		0	/* for types without codes */
 #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_PROTO		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 error */
 #define		ICMP_UNREACH_PRECEDENCE_CUTOFF	15	/* precedence cutoff */
 #define	ICMP_SRCQUENCH		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_RTRADVERT		9		/* router advertise, codes: */
 #define		ICMP_RTRADVERT_NORMAL		0	/* normal */
 #define		ICMP_RTRADVERT_NOROUTE_COMMON 16	/* selective routing */
 #define	ICMP_RTRSOLICIT		10		/* router solicitation */
 #define	ICMP_TIMEXCEED		11		/* time exceeded, code: */
 #define		ICMP_TIMEXCEED_INTRANS		0	/* ttl==0 in transit */
 #define		ICMP_TIMEXCEED_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_INFO		15		/* information request */
 #define	ICMP_INFOREPLY		16		/* information reply */
 #define	ICMP_MASK		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_REG		35		/* mobile registration req */
 #define ICMP_MOBILE_REGREPLY	36		/* mobile registration reply */
 #define ICMP_DNS		37		/* domain name request */
 #define ICMP_DNSREPLY		38		/* domain name reply */
 #define ICMP_SKIP		39		/* SKIP */
 #define ICMP_PHOTURIS		40		/* Photuris */
 #define		ICMP_PHOTURIS_UNKNOWN_INDEX	0	/* unknown sec index */
 #define		ICMP_PHOTURIS_AUTH_FAILED	1	/* auth failed */
 #define		ICMP_PHOTURIS_DECOMPRESS_FAILED	2	/* decompress failed */
 #define		ICMP_PHOTURIS_DECRYPT_FAILED	3	/* decrypt failed */
 #define		ICMP_PHOTURIS_NEED_AUTHN	4	/* no authentication */
 #define		ICMP_PHOTURIS_NEED_AUTHZ	5	/* no authorization */
 #define	ICMP_TYPE_MAX		40

 #define	ICMP_INFOTYPE(type)						\
         ((type) == ICMP_ECHOREPLY || (type) == ICMP_ECHO ||		\
         (type) == ICMP_RTRADVERT || (type) == ICMP_RTRSOLICIT ||	\
         (type) == ICMP_TSTAMP || (type) == ICMP_TSTAMPREPLY ||		\
         (type) == ICMP_INFO || (type) == ICMP_INFOREPLY ||		\
         (type) == ICMP_MASK || (type) == ICMP_MASKREPLY)

 /*
  * Echo message data
  */
 struct icmp_msg_echo {
         uint16_t	icmp_id;
         uint16_t	icmp_seq;
         uint8_t		icmp_data __flexarr;	/* optional data */
 };

 /*
  * Fragmentation-needed (unreachable) message data
  */
 struct icmp_msg_needfrag {
         uint16_t	icmp_void;		/* must be zero */
         uint16_t	icmp_mtu;		/* MTU of next-hop network */
         uint8_t		icmp_ip __flexarr;	/* IP hdr + 8 bytes of pkt */
 };

 /*
  *  Unreachable, source quench, redirect, time exceeded,
  *  parameter problem message data
  */
 struct icmp_msg_quote {
         uint32_t	icmp_void;		/* must be zero */
 #define icmp_gwaddr	icmp_void		/* router IP address to use */
 #define icmp_pptr	icmp_void		/* ptr to bad octet field */
         uint8_t		icmp_ip __flexarr;	/* IP hdr + 8 bytes of pkt */
 };

 /*
  * Router advertisement message data, RFC 1256
  */
 struct icmp_msg_rtradvert {
         uint8_t		icmp_num_addrs;		/* # of address / pref pairs */
         uint8_t		icmp_wpa;		/* words / address == 2 */
         uint16_t	icmp_lifetime;		/* route lifetime in seconds */
         struct icmp_msg_rtr_data {
                 uint32_t	icmp_void;
 #define icmp_gwaddr		icmp_void	/* router IP address */
                 uint32_t	icmp_pref;	/* router preference (usu 0) */
         } icmp_rtr __flexarr;			/* variable # of routers */
 };
 #define ICMP_RTR_PREF_NODEFAULT	0x80000000	/* do not use as default gw */

 /*
  * Timestamp message data
  */
 struct icmp_msg_tstamp {
         uint32_t	icmp_id;		/* identifier */
         uint32_t	icmp_seq;		/* sequence number */
         uint32_t	icmp_ts_orig;		/* originate timestamp */
         uint32_t	icmp_ts_rx;		/* receive timestamp */
         uint32_t	icmp_ts_tx;		/* transmit timestamp */
 };

 /*
  * Address mask message data, RFC 950
  */
 struct icmp_msg_mask {
         uint32_t	icmp_id;		/* identifier */
         uint32_t	icmp_seq;		/* sequence number */
         uint32_t	icmp_mask;		/* address mask */
 };

 /*
  * Traceroute message data, RFC 1393, RFC 1812
  */
 struct icmp_msg_traceroute {
         uint16_t	icmp_id;		/* identifier */
         uint16_t	icmp_void;		/* unused */
         uint16_t	icmp_ohc;		/* outbound hop count */
         uint16_t	icmp_rhc;		/* return hop count */
         uint32_t	icmp_speed;		/* link speed, bytes/sec */
         uint32_t	icmp_mtu;		/* MTU in bytes */
 };

 /*
  * Domain name reply message data, RFC 1788
  */
 struct icmp_msg_dnsreply {
         uint16_t	icmp_id;		/* identifier */
         uint16_t	icmp_seq;		/* sequence number */
         uint32_t	icmp_ttl;		/* time-to-live */
         uint8_t		icmp_names __flexarr;	/* variable number of names */
 };

 /*
  * Generic identifier, sequence number data
  */
 struct icmp_msg_idseq {
         uint16_t	icmp_id;
         uint16_t	icmp_seq;
 };

 /*
  * ICMP message union
  */
 union icmp_msg {
         struct icmp_msg_echo	   echo;	/* ICMP_ECHO{REPLY} */
         struct icmp_msg_quote	   unreach;	/* ICMP_UNREACH */
         struct icmp_msg_needfrag   needfrag;	/* ICMP_UNREACH_NEEDFRAG */
         struct icmp_msg_quote	   srcquench;	/* ICMP_SRCQUENCH */
         struct icmp_msg_quote	   redirect;	/* ICMP_REDIRECT (set to 0) */
         uint32_t		   rtrsolicit;	/* ICMP_RTRSOLICIT */
         struct icmp_msg_rtradvert  rtradvert;	/* ICMP_RTRADVERT */
         struct icmp_msg_quote	   timexceed;	/* ICMP_TIMEXCEED */
         struct icmp_msg_quote	   paramprob;	/* ICMP_PARAMPROB */
         struct icmp_msg_tstamp	   tstamp;	/* ICMP_TSTAMP{REPLY} */
         struct icmp_msg_idseq	   info;	/* ICMP_INFO{REPLY} */
         struct icmp_msg_mask	   mask;	/* ICMP_MASK{REPLY} */
         struct icmp_msg_traceroute traceroute;	/* ICMP_TRACEROUTE */
         struct icmp_msg_idseq	   dns;		/* ICMP_DNS */
         struct icmp_msg_dnsreply   dnsreply;	/* ICMP_DNSREPLY */
 };

 #ifndef __GNUC__
 # pragma pack()
 #endif

 #define icmp_pack_hdr(hdr, type, code) do {				\
         struct icmp_hdr *icmp_pack_p = (struct icmp_hdr *)(hdr);	\
         icmp_pack_p->icmp_type = type; icmp_pack_p->icmp_code = code;	\
 } while (0)

 #define icmp_pack_hdr_echo(hdr, type, code, id, seq, data, len) do {	\
         struct icmp_msg_echo *echo_pack_p = (struct icmp_msg_echo *)	\
                 ((uint8_t *)(hdr) + ICMP_HDR_LEN);			\
         icmp_pack_hdr(hdr, type, code);					\
         echo_pack_p->icmp_id = htons(id);				\
         echo_pack_p->icmp_seq = htons(seq);				\
         memmove(echo_pack_p->icmp_data, data, len);			\
 } while (0)

 #define icmp_pack_hdr_quote(hdr, type, code, word, pkt, len) do {	\
         struct icmp_msg_quote *quote_pack_p = (struct icmp_msg_quote *)	\
                 ((uint8_t *)(hdr) + ICMP_HDR_LEN);			\
         icmp_pack_hdr(hdr, type, code);					\
         quote_pack_p->icmp_void = htonl(word);				\
         memmove(quote_pack_p->icmp_ip, pkt, len);			\
 } while (0)

 #define icmp_pack_hdr_mask(hdr, type, code, id, seq, mask) do {		\
         struct icmp_msg_mask *mask_pack_p = (struct icmp_msg_mask *)	\
                 ((uint8_t *)(hdr) + ICMP_HDR_LEN);			\
         icmp_pack_hdr(hdr, type, code);					\
         mask_pack_p->icmp_id = htons(id);				\
         mask_pack_p->icmp_seq = htons(seq);				\
         mask_pack_p->icmp_mask = htonl(mask);				\
 } while (0)

 #define icmp_pack_hdr_needfrag(hdr, type, code, mtu, pkt, len) do {	\
         struct icmp_msg_needfrag *frag_pack_p =				\
         (struct icmp_msg_needfrag *)((uint8_t *)(hdr) + ICMP_HDR_LEN);	\
         icmp_pack_hdr(hdr, type, code);					\
         frag_pack_p->icmp_void = 0;					\
         frag_pack_p->icmp_mtu = htons(mtu);				\
         memmove(frag_pack_p->icmp_ip, pkt, len);			\
 } while (0)

 #endif /* DNET_ICMP_H */
	/*
	* icmp.h
	*
	* Internet Control Message Protocol.
	* RFC 792, 950, 1256, 1393, 1475, 2002, 2521
	*
	* Copyright (c) 2000 Dug Song <dugsong@monkey.org>
	*
	* $Id: icmp.h,v 1.14 2003/03/16 17:39:17 dugsong Exp $
	*/

	#ifndef DNET_ICMP_H
	#define DNET_ICMP_H

	#define ICMP_HDR_LEN 4 /* base ICMP header length */
	#define ICMP_LEN_MIN 8 /* minimum ICMP message size, with header */

	#ifndef __GNUC__
	# define __attribute__(x)
	# pragma pack(1)
	#endif

	/*
	* ICMP header
	*/
	struct icmp_hdr {
	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 */
	};

	/*
	* Types (icmp_type) and codes (icmp_code) -
	* http://www.iana.org/assignments/icmp-parameters
	*/
	#define ICMP_CODE_NONE 0 /* for types without codes */
	#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_PROTO 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 error */
	#define ICMP_UNREACH_PRECEDENCE_CUTOFF 15 /* precedence cutoff */
	#define ICMP_SRCQUENCH 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_RTRADVERT 9 /* router advertise, codes: */
	#define ICMP_RTRADVERT_NORMAL 0 /* normal */
	#define ICMP_RTRADVERT_NOROUTE_COMMON 16 /* selective routing */
	#define ICMP_RTRSOLICIT 10 /* router solicitation */
	#define ICMP_TIMEXCEED 11 /* time exceeded, code: */
	#define ICMP_TIMEXCEED_INTRANS 0 /* ttl==0 in transit */
	#define ICMP_TIMEXCEED_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_INFO 15 /* information request */
	#define ICMP_INFOREPLY 16 /* information reply */
	#define ICMP_MASK 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_REG 35 /* mobile registration req */
	#define ICMP_MOBILE_REGREPLY 36 /* mobile registration reply */
	#define ICMP_DNS 37 /* domain name request */
	#define ICMP_DNSREPLY 38 /* domain name reply */
	#define ICMP_SKIP 39 /* SKIP */
	#define ICMP_PHOTURIS 40 /* Photuris */
	#define ICMP_PHOTURIS_UNKNOWN_INDEX 0 /* unknown sec index */
	#define ICMP_PHOTURIS_AUTH_FAILED 1 /* auth failed */
	#define ICMP_PHOTURIS_DECOMPRESS_FAILED 2 /* decompress failed */
	#define ICMP_PHOTURIS_DECRYPT_FAILED 3 /* decrypt failed */
	#define ICMP_PHOTURIS_NEED_AUTHN 4 /* no authentication */
	#define ICMP_PHOTURIS_NEED_AUTHZ 5 /* no authorization */
	#define ICMP_TYPE_MAX 40

	#define ICMP_INFOTYPE(type) \
	((type) == ICMP_ECHOREPLY \|\| (type) == ICMP_ECHO \|\| \
	(type) == ICMP_RTRADVERT \|\| (type) == ICMP_RTRSOLICIT \|\| \
	(type) == ICMP_TSTAMP \|\| (type) == ICMP_TSTAMPREPLY \|\| \
	(type) == ICMP_INFO \|\| (type) == ICMP_INFOREPLY \|\| \
	(type) == ICMP_MASK \|\| (type) == ICMP_MASKREPLY)

	/*
	* Echo message data
	*/
	struct icmp_msg_echo {
	uint16_t icmp_id;
	uint16_t icmp_seq;
	uint8_t icmp_data __flexarr; /* optional data */
	};

	/*
	* Fragmentation-needed (unreachable) message data
	*/
	struct icmp_msg_needfrag {
	uint16_t icmp_void; /* must be zero */
	uint16_t icmp_mtu; /* MTU of next-hop network */
	uint8_t icmp_ip __flexarr; /* IP hdr + 8 bytes of pkt */
	};

	/*
	* Unreachable, source quench, redirect, time exceeded,
	* parameter problem message data
	*/
	struct icmp_msg_quote {
	uint32_t icmp_void; /* must be zero */
	#define icmp_gwaddr icmp_void /* router IP address to use */
	#define icmp_pptr icmp_void /* ptr to bad octet field */
	uint8_t icmp_ip __flexarr; /* IP hdr + 8 bytes of pkt */
	};

	/*
	* Router advertisement message data, RFC 1256
	*/
	struct icmp_msg_rtradvert {
	uint8_t icmp_num_addrs; /* # of address / pref pairs */
	uint8_t icmp_wpa; /* words / address == 2 */
	uint16_t icmp_lifetime; /* route lifetime in seconds */
	struct icmp_msg_rtr_data {
	uint32_t icmp_void;
	#define icmp_gwaddr icmp_void /* router IP address */
	uint32_t icmp_pref; /* router preference (usu 0) */
	} icmp_rtr __flexarr; /* variable # of routers */
	};
	#define ICMP_RTR_PREF_NODEFAULT 0x80000000 /* do not use as default gw */

	/*
	* Timestamp message data
	*/
	struct icmp_msg_tstamp {
	uint32_t icmp_id; /* identifier */
	uint32_t icmp_seq; /* sequence number */
	uint32_t icmp_ts_orig; /* originate timestamp */
	uint32_t icmp_ts_rx; /* receive timestamp */
	uint32_t icmp_ts_tx; /* transmit timestamp */
	};

	/*
	* Address mask message data, RFC 950
	*/
	struct icmp_msg_mask {
	uint32_t icmp_id; /* identifier */
	uint32_t icmp_seq; /* sequence number */
	uint32_t icmp_mask; /* address mask */
	};

	/*
	* Traceroute message data, RFC 1393, RFC 1812
	*/
	struct icmp_msg_traceroute {
	uint16_t icmp_id; /* identifier */
	uint16_t icmp_void; /* unused */
	uint16_t icmp_ohc; /* outbound hop count */
	uint16_t icmp_rhc; /* return hop count */
	uint32_t icmp_speed; /* link speed, bytes/sec */
	uint32_t icmp_mtu; /* MTU in bytes */
	};

	/*
	* Domain name reply message data, RFC 1788
	*/
	struct icmp_msg_dnsreply {
	uint16_t icmp_id; /* identifier */
	uint16_t icmp_seq; /* sequence number */
	uint32_t icmp_ttl; /* time-to-live */
	uint8_t icmp_names __flexarr; /* variable number of names */
	};

	/*
	* Generic identifier, sequence number data
	*/
	struct icmp_msg_idseq {
	uint16_t icmp_id;
	uint16_t icmp_seq;
	};

	/*
	* ICMP message union
	*/
	union icmp_msg {
	struct icmp_msg_echo echo; /* ICMP_ECHO{REPLY} */
	struct icmp_msg_quote unreach; /* ICMP_UNREACH */
	struct icmp_msg_needfrag needfrag; /* ICMP_UNREACH_NEEDFRAG */
	struct icmp_msg_quote srcquench; /* ICMP_SRCQUENCH */
	struct icmp_msg_quote redirect; /* ICMP_REDIRECT (set to 0) */
	uint32_t rtrsolicit; /* ICMP_RTRSOLICIT */
	struct icmp_msg_rtradvert rtradvert; /* ICMP_RTRADVERT */
	struct icmp_msg_quote timexceed; /* ICMP_TIMEXCEED */
	struct icmp_msg_quote paramprob; /* ICMP_PARAMPROB */
	struct icmp_msg_tstamp tstamp; /* ICMP_TSTAMP{REPLY} */
	struct icmp_msg_idseq info; /* ICMP_INFO{REPLY} */
	struct icmp_msg_mask mask; /* ICMP_MASK{REPLY} */
	struct icmp_msg_traceroute traceroute; /* ICMP_TRACEROUTE */
	struct icmp_msg_idseq dns; /* ICMP_DNS */
	struct icmp_msg_dnsreply dnsreply; /* ICMP_DNSREPLY */
	};

	#ifndef __GNUC__
	# pragma pack()
	#endif

	#define icmp_pack_hdr(hdr, type, code) do { \
	struct icmp_hdr icmp_pack_p = (struct icmp_hdr )(hdr); \
	icmp_pack_p->icmp_type = type; icmp_pack_p->icmp_code = code; \
	} while (0)

	#define icmp_pack_hdr_echo(hdr, type, code, id, seq, data, len) do { \
	struct icmp_msg_echo echo_pack_p = (struct icmp_msg_echo ) \
	((uint8_t *)(hdr) + ICMP_HDR_LEN); \
	icmp_pack_hdr(hdr, type, code); \
	echo_pack_p->icmp_id = htons(id); \
	echo_pack_p->icmp_seq = htons(seq); \
	memmove(echo_pack_p->icmp_data, data, len); \
	} while (0)

	#define icmp_pack_hdr_quote(hdr, type, code, word, pkt, len) do { \
	struct icmp_msg_quote quote_pack_p = (struct icmp_msg_quote ) \
	((uint8_t *)(hdr) + ICMP_HDR_LEN); \
	icmp_pack_hdr(hdr, type, code); \
	quote_pack_p->icmp_void = htonl(word); \
	memmove(quote_pack_p->icmp_ip, pkt, len); \
	} while (0)

	#define icmp_pack_hdr_mask(hdr, type, code, id, seq, mask) do { \
	struct icmp_msg_mask mask_pack_p = (struct icmp_msg_mask ) \
	((uint8_t *)(hdr) + ICMP_HDR_LEN); \
	icmp_pack_hdr(hdr, type, code); \
	mask_pack_p->icmp_id = htons(id); \
	mask_pack_p->icmp_seq = htons(seq); \
	mask_pack_p->icmp_mask = htonl(mask); \
	} while (0)

	#define icmp_pack_hdr_needfrag(hdr, type, code, mtu, pkt, len) do { \
	struct icmp_msg_needfrag *frag_pack_p = \
	(struct icmp_msg_needfrag )((uint8_t )(hdr) + ICMP_HDR_LEN); \
	icmp_pack_hdr(hdr, type, code); \
	frag_pack_p->icmp_void = 0; \
	frag_pack_p->icmp_mtu = htons(mtu); \
	memmove(frag_pack_p->icmp_ip, pkt, len); \
	} while (0)

	#endif /* DNET_ICMP_H */