icmp6.h

eCos操作系统源码

#define ND_NA_FLAG_SOLICITED		0x40000000
#define ND_NA_FLAG_OVERRIDE		0x20000000
#else
#if BYTE_ORDER == LITTLE_ENDIAN
#define ND_NA_FLAG_ROUTER		0x80
#define ND_NA_FLAG_SOLICITED		0x40
#define ND_NA_FLAG_OVERRIDE		0x20
#endif
#endif

struct nd_redirect {		/* redirect */
	struct icmp6_hdr	nd_rd_hdr;
	struct in6_addr		nd_rd_target;	/* target address */
	struct in6_addr		nd_rd_dst;	/* destination address */
	/* could be followed by options */
} __attribute__((aligned(1), packed));

#define nd_rd_type		nd_rd_hdr.icmp6_type
#define nd_rd_code		nd_rd_hdr.icmp6_code
#define nd_rd_cksum		nd_rd_hdr.icmp6_cksum
#define nd_rd_reserved		nd_rd_hdr.icmp6_data32[0]

struct ind_neighbor_solicit {	/* inverse neighbor solicitation */
	struct icmp6_hdr	ind_ns_hdr;
	/* could be followed by options */
} __attribute__((aligned(1), packed));

#define ind_ns_type		ind_ns_hdr.icmp6_type
#define ind_ns_code		ind_ns_hdr.icmp6_code
#define ind_ns_cksum		ind_ns_hdr.icmp6_cksum
#define ind_ns_reserved		ind_ns_hdr.icmp6_data32[0]

struct ind_neighbor_advert {	/* inverse neighbor advertisement */
	struct icmp6_hdr	ind_na_hdr;
	/* could be followed by options */
} __attribute__((aligned(1), packed));

#define ind_na_type		ind_na_hdr.icmp6_type
#define ind_na_code		ind_na_hdr.icmp6_code
#define ind_na_cksum		ind_na_hdr.icmp6_cksum
#define ind_na_flags_reserved	ind_na_hdr.icmp6_data32[0]

struct ha_discov_req {          /* HA Address Discovery Request */
	struct icmp6_hdr	ha_dreq_hdr;
#ifdef MIP6_DRAFT13
	u_int32_t		ha_dreq_reserved1;
	u_int32_t		ha_dreq_reserved2;
	struct in6_addr		ha_dreq_home;	/* MN home address */
#endif /* MIP6_DRAFT13 */
} __attribute__((aligned(1), packed));

#define discov_req_type		ha_dreq_hdr.icmp6_type
#define discov_req_code		ha_dreq_hdr.icmp6_code
#define discov_req_cksum	ha_dreq_hdr.icmp6_cksum
#define discov_req_id		ha_dreq_hdr.icmp6_data16[0]

struct ha_discov_rep {		/* HA Address Discovery Reply */
	struct icmp6_hdr	ha_drep_hdr;
	u_int32_t		ha_drep_reserved1;
	u_int32_t		ha_drep_reserved2;
	/* could be followed by Home Agent addresses */
} __attribute__((aligned(1), packed));

#define discov_rep_type		ha_drep_hdr.icmp6_type
#define discov_rep_code		ha_drep_hdr.icmp6_code
#define discov_rep_cksum	ha_drep_hdr.icmp6_cksum
#define discov_rep_id		ha_drep_hdr.icmp6_data16[0]

struct mobile_prefix_solicit {	/* Mobile Prefix Solicitation */
	struct icmp6_hdr	mp_sol_hdr;
} __attribute__((aligned(1), packed));

#define mp_sol_type		mp_sol_hdr.icmp6_type
#define mp_sol_code		mp_sol_hdr.icmp6_code
#define mp_sol_cksum		mp_sol_hdr.icmp6_cksum
#define mp_sol_reserved		mp_sol_hdr.icmp6_data32[0]

struct mobile_prefix_advert {	/* Mobile Prefix Advertisement */
	struct icmp6_hdr	mp_adv_hdr;
} __attribute__((aligned(1), packed));

#define mp_adv_type		mp_adv_hdr.icmp6_type
#define mp_adv_code		mp_adv_hdr.icmp6_code
#define mp_adv_cksum		mp_adv_hdr.icmp6_cksum
#define mp_adv_opts		mp_adv_hdr.icmp6_data8

struct nd_opt_hdr {		/* Neighbor discovery option header */
	u_int8_t	nd_opt_type;
	u_int8_t	nd_opt_len;
	/* followed by option specific data*/
} __attribute__((aligned(1), packed));

#define ND_OPT_SOURCE_LINKADDR		1
#define ND_OPT_TARGET_LINKADDR		2
#define ND_OPT_PREFIX_INFORMATION	3
#define ND_OPT_REDIRECTED_HEADER	4
#define ND_OPT_MTU			5
#define ND_OPT_ADVINTERVAL		7	/* 2292bis-02 */
#define ND_OPT_HOMEAGENT_INFO		8	/* 2292bis-02 */
#define ND_OPT_SOURCE_ADDRLIST		9	/* will be renamed */
#define ND_OPT_TARGET_ADDRLIST		10	/* will be renamed */

#define ND_OPT_ROUTE_INFO		200	/* draft-ietf-ipngwg-router-preference, not officially assigned yet */

struct nd_opt_prefix_info {	/* prefix information */
	u_int8_t	nd_opt_pi_type;
	u_int8_t	nd_opt_pi_len;
	u_int8_t	nd_opt_pi_prefix_len;
	u_int8_t	nd_opt_pi_flags_reserved;
	u_int32_t	nd_opt_pi_valid_time;
	u_int32_t	nd_opt_pi_preferred_time;
	u_int32_t	nd_opt_pi_reserved2;
	struct in6_addr	nd_opt_pi_prefix;
} __attribute__((aligned(1), packed));

#define ND_OPT_PI_FLAG_ONLINK		0x80
#define ND_OPT_PI_FLAG_AUTO		0x40
#define ND_OPT_PI_FLAG_ROUTER		0x20	/* 2292bis-02 */

struct nd_opt_rd_hdr {		/* redirected header */
	u_int8_t	nd_opt_rh_type;
	u_int8_t	nd_opt_rh_len;
	u_int16_t	nd_opt_rh_reserved1;
	u_int32_t	nd_opt_rh_reserved2;
	/* followed by IP header and data */
} __attribute__((aligned(1), packed));

struct nd_opt_mtu {		/* MTU option */
	u_int8_t	nd_opt_mtu_type;
	u_int8_t	nd_opt_mtu_len;
	u_int16_t	nd_opt_mtu_reserved;
	u_int32_t	nd_opt_mtu_mtu;
} __attribute__((aligned(1), packed));

struct nd_opt_advinterval {	/* Advertisement interval option */
	u_int8_t	nd_opt_adv_type;
	u_int8_t	nd_opt_adv_len;
	u_int16_t	nd_opt_adv_reserved;
	u_int32_t	nd_opt_adv_interval;
} __attribute__((aligned(1), packed));

struct nd_opt_homeagent_info {	/* Home Agent info */
	u_int8_t	nd_opt_hai_type;
	u_int8_t	nd_opt_hai_len;
	u_int16_t	nd_opt_hai_reserved;
	int16_t		nd_opt_hai_preference;
	u_int16_t	nd_opt_hai_lifetime;
} __attribute__((aligned(1), packed));

struct nd_opt_route_info {	/* route info */
	u_int8_t	nd_opt_rti_type;
	u_int8_t	nd_opt_rti_len;
	u_int8_t	nd_opt_rti_prefixlen;
	u_int8_t	nd_opt_rti_flags;
	u_int32_t	nd_opt_rti_lifetime;
	/* prefix follows */
} __attribute__((aligned(1), packed));

/*
 * icmp6 namelookup
 */

struct icmp6_namelookup {
	struct icmp6_hdr 	icmp6_nl_hdr;
	u_int8_t	icmp6_nl_nonce[8];
	int32_t		icmp6_nl_ttl;
#if 0
	u_int8_t	icmp6_nl_len;
	u_int8_t	icmp6_nl_name[3];
#endif
	/* could be followed by options */
} __attribute__((aligned(1), packed));

/*
 * icmp6 node information
 */
struct icmp6_nodeinfo {
	struct icmp6_hdr icmp6_ni_hdr;
	u_int8_t icmp6_ni_nonce[8];
	/* could be followed by reply data */
} __attribute__((aligned(1), packed));

#define ni_type		icmp6_ni_hdr.icmp6_type
#define ni_code		icmp6_ni_hdr.icmp6_code
#define ni_cksum	icmp6_ni_hdr.icmp6_cksum
#define ni_qtype	icmp6_ni_hdr.icmp6_data16[0]
#define ni_flags	icmp6_ni_hdr.icmp6_data16[1]

#define NI_QTYPE_NOOP		0 /* NOOP  */
#define NI_QTYPE_SUPTYPES	1 /* Supported Qtypes */
#define NI_QTYPE_FQDN		2 /* FQDN (draft 04) */
#define NI_QTYPE_DNSNAME	2 /* DNS Name */
#define NI_QTYPE_NODEADDR	3 /* Node Addresses */
#define NI_QTYPE_IPV4ADDR	4 /* IPv4 Addresses */

#if BYTE_ORDER == BIG_ENDIAN
#define NI_SUPTYPE_FLAG_COMPRESS	0x1
#define NI_FQDN_FLAG_VALIDTTL		0x1
#elif BYTE_ORDER == LITTLE_ENDIAN
#define NI_SUPTYPE_FLAG_COMPRESS	0x0100
#define NI_FQDN_FLAG_VALIDTTL		0x0100
#endif

#ifdef NAME_LOOKUPS_04
#if BYTE_ORDER == BIG_ENDIAN
#define NI_NODEADDR_FLAG_LINKLOCAL	0x1
#define NI_NODEADDR_FLAG_SITELOCAL	0x2
#define NI_NODEADDR_FLAG_GLOBAL		0x4
#define NI_NODEADDR_FLAG_ALL		0x8
#define NI_NODEADDR_FLAG_TRUNCATE	0x10
#define NI_NODEADDR_FLAG_ANYCAST	0x20 /* just experimental. not in spec */
#elif BYTE_ORDER == LITTLE_ENDIAN
#define NI_NODEADDR_FLAG_LINKLOCAL	0x0100
#define NI_NODEADDR_FLAG_SITELOCAL	0x0200
#define NI_NODEADDR_FLAG_GLOBAL		0x0400
#define NI_NODEADDR_FLAG_ALL		0x0800
#define NI_NODEADDR_FLAG_TRUNCATE	0x1000
#define NI_NODEADDR_FLAG_ANYCAST	0x2000 /* just experimental. not in spec */
#endif
#else  /* draft-ietf-ipngwg-icmp-name-lookups-05 (and later?) */
#if BYTE_ORDER == BIG_ENDIAN
#define NI_NODEADDR_FLAG_TRUNCATE	0x1
#define NI_NODEADDR_FLAG_ALL		0x2
#define NI_NODEADDR_FLAG_COMPAT		0x4
#define NI_NODEADDR_FLAG_LINKLOCAL	0x8
#define NI_NODEADDR_FLAG_SITELOCAL	0x10
#define NI_NODEADDR_FLAG_GLOBAL		0x20
#define NI_NODEADDR_FLAG_ANYCAST	0x40 /* just experimental. not in spec */
#elif BYTE_ORDER == LITTLE_ENDIAN
#define NI_NODEADDR_FLAG_TRUNCATE	0x0100
#define NI_NODEADDR_FLAG_ALL		0x0200
#define NI_NODEADDR_FLAG_COMPAT		0x0400
#define NI_NODEADDR_FLAG_LINKLOCAL	0x0800
#define NI_NODEADDR_FLAG_SITELOCAL	0x1000
#define NI_NODEADDR_FLAG_GLOBAL		0x2000
#define NI_NODEADDR_FLAG_ANYCAST	0x4000 /* just experimental. not in spec */
#endif
#endif

struct ni_reply_fqdn {
	u_int32_t ni_fqdn_ttl;	/* TTL */
	u_int8_t ni_fqdn_namelen; /* length in octets of the FQDN */
	u_int8_t ni_fqdn_name[3]; /* XXX: alignment */
} __attribute__((aligned(1), packed));

/*
 * Router Renumbering. as router-renum-08.txt
 */
struct icmp6_router_renum {	/* router renumbering header */
	struct icmp6_hdr	rr_hdr;
	u_int8_t	rr_segnum;
	u_int8_t	rr_flags;
	u_int16_t	rr_maxdelay;
	u_int32_t	rr_reserved;
} __attribute__((aligned(1), packed));

#define ICMP6_RR_FLAGS_TEST		0x80
#define ICMP6_RR_FLAGS_REQRESULT	0x40
#define ICMP6_RR_FLAGS_FORCEAPPLY	0x20
#define ICMP6_RR_FLAGS_SPECSITE		0x10
#define ICMP6_RR_FLAGS_PREVDONE		0x08

#define rr_type		rr_hdr.icmp6_type
#define rr_code		rr_hdr.icmp6_code
#define rr_cksum	rr_hdr.icmp6_cksum
#define rr_seqnum 	rr_hdr.icmp6_data32[0]

struct rr_pco_match {		/* match prefix part */
	u_int8_t	rpm_code;
	u_int8_t	rpm_len;
	u_int8_t	rpm_ordinal;
	u_int8_t	rpm_matchlen;
	u_int8_t	rpm_minlen;
	u_int8_t	rpm_maxlen;
	u_int16_t	rpm_reserved;
	struct	in6_addr	rpm_prefix;
} __attribute__((aligned(1), packed));

#define RPM_PCO_ADD		1
#define RPM_PCO_CHANGE		2
#define RPM_PCO_SETGLOBAL	3
#define RPM_PCO_MAX		4

struct rr_pco_use {		/* use prefix part */
	u_int8_t	rpu_uselen;
	u_int8_t	rpu_keeplen;
	u_int8_t	rpu_ramask;
	u_int8_t	rpu_raflags;
	u_int32_t	rpu_vltime;
	u_int32_t	rpu_pltime;
	u_int32_t	rpu_flags;
	struct	in6_addr rpu_prefix;
} __attribute__((aligned(1), packed));
#define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK	0x80
#define ICMP6_RR_PCOUSE_RAFLAGS_AUTO	0x40

#if BYTE_ORDER == BIG_ENDIAN