*
* @APPLE_LICENSE_HEADER_END@
*/
-/* $KAME: icmp6.h,v 1.9 2000/03/09 21:09:16 itojun Exp $ */
+/* $KAME: icmp6.h,v 1.46 2001/04/27 15:09:48 itojun Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
#ifndef _NETINET_ICMP6_H_
#define _NETINET_ICMP6_H_
+#include <sys/appleapiopts.h>
#define ICMPV6_PLD_MAXLEN 1232 /* IPV6_MMTU - sizeof(struct ip6_hdr)
- sizeof(struct icmp6_hdr) */
#define ICMP6_NI_REPLY 140 /* node information reply */
/* The definitions below are experimental. TBA */
-#define MLD6_MTRACE_RESP 141 /* mtrace response(to sender) */
-#define MLD6_MTRACE 142 /* mtrace messages */
+#define MLD6_MTRACE_RESP 200 /* mtrace response(to sender) */
+#define MLD6_MTRACE 201 /* mtrace messages */
-#define ICMP6_MAXTYPE 142
+#define ICMP6_HADISCOV_REQUEST 202 /* XXX To be defined */
+#define ICMP6_HADISCOV_REPLY 203 /* XXX To be defined */
+
+#define ICMP6_MAXTYPE 203
#define ICMP6_DST_UNREACH_NOROUTE 0 /* no route to destination */
#define ICMP6_DST_UNREACH_ADMIN 1 /* administratively prohibited */
#define ICMP6_INFOMSG_MASK 0x80 /* all informational messages */
-#define ICMP6_NI_SUCESS 0 /* node information successful reply */
+#define ICMP6_NI_SUBJ_IPV6 0 /* Query Subject is an IPv6 address */
+#define ICMP6_NI_SUBJ_FQDN 1 /* Query Subject is a Domain name */
+#define ICMP6_NI_SUBJ_IPV4 2 /* Query Subject is an IPv4 address */
+
+#define ICMP6_NI_SUCCESS 0 /* node information successful reply */
#define ICMP6_NI_REFUSED 1 /* node information request is refused */
#define ICMP6_NI_UNKNOWN 2 /* unknown Qtype */
#define ND_RA_FLAG_MANAGED 0x80
#define ND_RA_FLAG_OTHER 0x40
#define ND_RA_FLAG_HA 0x20
+
+/*
+ * Router preference values based on draft-draves-ipngwg-router-selection-01.
+ * These are non-standard definitions.
+ */
+#define ND_RA_FLAG_RTPREF_MASK 0x18 /* 00011000 */
+
+#define ND_RA_FLAG_RTPREF_HIGH 0x08 /* 00001000 */
+#define ND_RA_FLAG_RTPREF_MEDIUM 0x00 /* 00000000 */
+#define ND_RA_FLAG_RTPREF_LOW 0x18 /* 00011000 */
+#define ND_RA_FLAG_RTPREF_RSV 0x10 /* 00010000 */
+
#define nd_ra_router_lifetime nd_ra_hdr.icmp6_data16[1]
struct nd_neighbor_solicit { /* neighbor solicitation */
#define ND_OPT_PREFIX_INFORMATION 3
#define ND_OPT_REDIRECTED_HEADER 4
#define ND_OPT_MTU 5
-#define ND_OPT_ADV_INTERVAL 7 /* MIPv6 */
-#define ND_OPT_HA_INFORMATION 8 /* MIPv6 */
+
+#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;
#define ND_OPT_PI_FLAG_ONLINK 0x80
#define ND_OPT_PI_FLAG_AUTO 0x40
-#define ND_OPT_PI_FLAG_RTADDR 0x20
struct nd_opt_rd_hdr { /* redirected header */
u_int8_t nd_opt_rh_type;
u_int32_t nd_opt_mtu_mtu;
};
-struct nd_opt_advint { /* Advertisement Interval option (MIPv6) */
- u_int8_t nd_opt_int_type;
- u_int8_t nd_opt_int_len;
- u_int16_t nd_opt_int_reserved;
- u_int32_t nd_opt_int_interval;
-};
-
-struct nd_opt_hai { /* Home Agent Information option (MIPv6) */
- u_int8_t nd_opt_hai_type;
- u_int8_t nd_opt_hai_len;
- u_int16_t nd_opt_hai_reserved;
- u_int16_t nd_opt_hai_pref;
- u_int16_t nd_opt_hai_lifetime;
+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;
+ /* followed by prefix */
};
/*
struct icmp6_namelookup {
struct icmp6_hdr icmp6_nl_hdr;
u_int8_t icmp6_nl_nonce[8];
- u_int32_t icmp6_nl_ttl;
+ int32_t icmp6_nl_ttl;
#if 0
u_int8_t icmp6_nl_len;
u_int8_t icmp6_nl_name[3];
#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 */
-#define NI_QTYPE_NODEADDR 3 /* Node Addresses. XXX: spec says 2, but it may be a typo... */
+#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
/*
* Router Renumbering. as router-renum-08.txt
*/
-#if BYTE_ORDER == BIG_ENDIAN /* net byte order */
-struct icmp6_router_renum { /* router renumbering header */
- struct icmp6_hdr rr_hdr;
- u_int8_t rr_segnum;
- u_int8_t rr_test : 1;
- u_int8_t rr_reqresult : 1;
- u_int8_t rr_forceapply : 1;
- u_int8_t rr_specsite : 1;
- u_int8_t rr_prevdone : 1;
- u_int8_t rr_flags_reserved : 3;
- u_int16_t rr_maxdelay;
- u_int32_t rr_reserved;
-};
-#elif BYTE_ORDER == LITTLE_ENDIAN
struct icmp6_router_renum { /* router renumbering header */
struct icmp6_hdr rr_hdr;
- u_int8_t rr_segnum;
- u_int8_t rr_flags_reserved : 3;
- u_int8_t rr_prevdone : 1;
- u_int8_t rr_specsite : 1;
- u_int8_t rr_forceapply : 1;
- u_int8_t rr_reqresult : 1;
- u_int8_t rr_test : 1;
- u_int16_t rr_maxdelay;
- u_int32_t rr_reserved;
+ u_int8_t rr_segnum;
+ u_int8_t rr_flags;
+ u_int16_t rr_maxdelay;
+ u_int32_t rr_reserved;
};
-#endif /* BYTE_ORDER */
-#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]
+#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_minlen;
u_int8_t rpm_maxlen;
u_int16_t rpm_reserved;
- struct in6_addr rpm_prefix;
+ struct in6_addr rpm_prefix;
};
#define RPM_PCO_ADD 1
#define RPM_PCO_SETGLOBAL 3
#define RPM_PCO_MAX 4
-#if BYTE_ORDER == BIG_ENDIAN /* net byte order */
struct rr_pco_use { /* use prefix part */
u_int8_t rpu_uselen;
u_int8_t rpu_keeplen;
- u_int8_t rpu_mask_onlink : 1;
- u_int8_t rpu_mask_autonomous : 1;
- u_int8_t rpu_mask_reserved : 6;
- u_int8_t rpu_onlink : 1;
- u_int8_t rpu_autonomous : 1;
- u_int8_t rpu_raflags_reserved : 6;
+ u_int8_t rpu_ramask;
+ u_int8_t rpu_raflags;
u_int32_t rpu_vltime;
u_int32_t rpu_pltime;
- u_int32_t rpu_decr_vltime : 1;
- u_int32_t rpu_decr_pltime : 1;
- u_int32_t rpu_flags_reserved : 6;
- u_int32_t rpu_reserved : 24;
- struct in6_addr rpu_prefix;
+ u_int32_t rpu_flags;
+ struct in6_addr rpu_prefix;
};
+#define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK 0x80
+#define ICMP6_RR_PCOUSE_RAFLAGS_AUTO 0x40
+
+#if BYTE_ORDER == BIG_ENDIAN
+#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80000000
+#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40000000
#elif BYTE_ORDER == LITTLE_ENDIAN
-struct rr_pco_use { /* use prefix part */
- u_int8_t rpu_uselen;
- u_int8_t rpu_keeplen;
- u_int8_t rpu_mask_reserved : 6;
- u_int8_t rpu_mask_autonomous : 1;
- u_int8_t rpu_mask_onlink : 1;
- u_int8_t rpu_raflags_reserved : 6;
- u_int8_t rpu_autonomous : 1;
- u_int8_t rpu_onlink : 1;
- u_int32_t rpu_vltime;
- u_int32_t rpu_pltime;
- u_int32_t rpu_flags_reserved : 6;
- u_int32_t rpu_decr_pltime : 1;
- u_int32_t rpu_decr_vltime : 1;
- u_int32_t rpu_reserved : 24;
- struct in6_addr rpu_prefix;
-};
-#endif /* BYTE_ORDER */
+#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80
+#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40
+#endif
-#if BYTE_ORDER == BIG_ENDIAN /* net byte order */
struct rr_result { /* router renumbering result message */
- u_int8_t rrr_reserved;
- u_int8_t rrr_flags_reserved : 6;
- u_int8_t rrr_outofbound : 1;
- u_int8_t rrr_forbidden : 1;
+ u_int16_t rrr_flags;
u_int8_t rrr_ordinal;
u_int8_t rrr_matchedlen;
u_int32_t rrr_ifid;
- struct in6_addr rrr_prefix;
+ struct in6_addr rrr_prefix;
};
+#if BYTE_ORDER == BIG_ENDIAN
+#define ICMP6_RR_RESULT_FLAGS_OOB 0x0002
+#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0001
#elif BYTE_ORDER == LITTLE_ENDIAN
-struct rr_result { /* router renumbering result message */
- u_int8_t rrr_reserved;
- u_int8_t rrr_forbidden : 1;
- u_int8_t rrr_outofbound : 1;
- u_int8_t rrr_flags_reserved : 6;
- u_int8_t rrr_ordinal;
- u_int8_t rrr_matchedlen;
- u_int32_t rrr_ifid;
- struct in6_addr rrr_prefix;
-};
-#endif /* BYTE_ORDER */
+#define ICMP6_RR_RESULT_FLAGS_OOB 0x0200
+#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0100
+#endif
/*
* icmp6 filter structures.
* Variables related to this implementation
* of the internet control message protocol version 6.
*/
+struct icmp6errstat {
+ u_quad_t icp6errs_dst_unreach_noroute;
+ u_quad_t icp6errs_dst_unreach_admin;
+ u_quad_t icp6errs_dst_unreach_beyondscope;
+ u_quad_t icp6errs_dst_unreach_addr;
+ u_quad_t icp6errs_dst_unreach_noport;
+ u_quad_t icp6errs_packet_too_big;
+ u_quad_t icp6errs_time_exceed_transit;
+ u_quad_t icp6errs_time_exceed_reassembly;
+ u_quad_t icp6errs_paramprob_header;
+ u_quad_t icp6errs_paramprob_nextheader;
+ u_quad_t icp6errs_paramprob_option;
+ u_quad_t icp6errs_redirect; /* we regard redirect as an error here */
+ u_quad_t icp6errs_unknown;
+};
+
struct icmp6stat {
/* statistics related to icmp6 packets generated */
u_quad_t icp6s_error; /* # of calls to icmp6_error */
u_quad_t icp6s_reflect; /* number of responses */
u_quad_t icp6s_inhist[256];
u_quad_t icp6s_nd_toomanyopt; /* too many ND options */
+ struct icmp6errstat icp6s_outerrhist;
+#define icp6s_odst_unreach_noroute \
+ icp6s_outerrhist.icp6errs_dst_unreach_noroute
+#define icp6s_odst_unreach_admin icp6s_outerrhist.icp6errs_dst_unreach_admin
+#define icp6s_odst_unreach_beyondscope \
+ icp6s_outerrhist.icp6errs_dst_unreach_beyondscope
+#define icp6s_odst_unreach_addr icp6s_outerrhist.icp6errs_dst_unreach_addr
+#define icp6s_odst_unreach_noport icp6s_outerrhist.icp6errs_dst_unreach_noport
+#define icp6s_opacket_too_big icp6s_outerrhist.icp6errs_packet_too_big
+#define icp6s_otime_exceed_transit \
+ icp6s_outerrhist.icp6errs_time_exceed_transit
+#define icp6s_otime_exceed_reassembly \
+ icp6s_outerrhist.icp6errs_time_exceed_reassembly
+#define icp6s_oparamprob_header icp6s_outerrhist.icp6errs_paramprob_header
+#define icp6s_oparamprob_nextheader \
+ icp6s_outerrhist.icp6errs_paramprob_nextheader
+#define icp6s_oparamprob_option icp6s_outerrhist.icp6errs_paramprob_option
+#define icp6s_oredirect icp6s_outerrhist.icp6errs_redirect
+#define icp6s_ounknown icp6s_outerrhist.icp6errs_unknown
+ u_quad_t icp6s_pmtuchg; /* path MTU changes */
+ u_quad_t icp6s_nd_badopt; /* bad ND options */
+ u_quad_t icp6s_badns; /* bad neighbor solicitation */
+ u_quad_t icp6s_badna; /* bad neighbor advertisement */
+ u_quad_t icp6s_badrs; /* bad router advertisement */
+ u_quad_t icp6s_badra; /* bad router advertisement */
+ u_quad_t icp6s_badredirect; /* bad redirect message */
};
/*
#define ICMPV6CTL_STATS 1
#define ICMPV6CTL_REDIRACCEPT 2 /* accept/process redirects */
#define ICMPV6CTL_REDIRTIMEOUT 3 /* redirect cache time */
-#define ICMPV6CTL_ERRRATELIMIT 5 /* ICMPv6 error rate limitation */
#define ICMPV6CTL_ND6_PRUNE 6
#define ICMPV6CTL_ND6_DELAY 8
#define ICMPV6CTL_ND6_UMAXTRIES 9
#define ICMPV6CTL_ND6_USELOOPBACK 11
/*#define ICMPV6CTL_ND6_PROXYALL 12 obsoleted, do not reuse here */
#define ICMPV6CTL_NODEINFO 13
-#define ICMPV6CTL_MAXID 14
-
+#define ICMPV6CTL_ERRPPSLIMIT 14 /* ICMPv6 error pps limitation */
+#define ICMPV6CTL_ND6_MAXNUDHINT 15
+#define ICMPV6CTL_MTUDISC_HIWAT 16
+#define ICMPV6CTL_MTUDISC_LOWAT 17
+#define ICMPV6CTL_ND6_DEBUG 18
+#define ICMPV6CTL_ND6_DRLIST 19
+#define ICMPV6CTL_ND6_PRLIST 20
+#define ICMPV6CTL_MAXID 21
+
+#ifdef KERNEL_PRIVATE
#define ICMPV6CTL_NAMES { \
{ 0, 0 }, \
{ 0, 0 }, \
{ "rediraccept", CTLTYPE_INT }, \
{ "redirtimeout", CTLTYPE_INT }, \
{ 0, 0 }, \
- { "errratelimit", CTLTYPE_INT }, \
+ { 0, 0 }, \
{ "nd6_prune", CTLTYPE_INT }, \
{ 0, 0 }, \
{ "nd6_delay", CTLTYPE_INT }, \
{ "nd6_useloopback", CTLTYPE_INT }, \
{ 0, 0 }, \
{ "nodeinfo", CTLTYPE_INT }, \
+ { "errppslimit", CTLTYPE_INT }, \
+ { "nd6_maxnudhint", CTLTYPE_INT }, \
+ { "mtudisc_hiwat", CTLTYPE_INT }, \
+ { "mtudisc_lowat", CTLTYPE_INT }, \
+ { "nd6_debug", CTLTYPE_INT }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
}
-#ifdef __bsdi__
-#define ICMPV6CTL_VARS { \
- 0, \
- 0, \
- &icmp6_rediraccept, \
- &icmp6_redirtimeout, \
- 0, \
- 0, \
- &icmp6errratelim, \
- &nd6_prune, \
- 0, \
- &nd6_delay, \
- &nd6_umaxtries, \
- &nd6_mmaxtries, \
- &nd6_useloopback, \
- 0, \
- &icmp6_nodeinfo, \
-}
-#endif
-
#define RTF_PROBEMTU RTF_PROTO1
-#ifdef KERNEL
# ifdef __STDC__
struct rtentry;
struct rttimer;
struct in6_multi;
# endif
-void icmp6_init __P((void));
-void icmp6_paramerror __P((struct mbuf *, int));
-void icmp6_error __P((struct mbuf *, int, int, int));
-int icmp6_input __P((struct mbuf **, int *, int));
-void icmp6_fasttimo __P((void));
-void icmp6_reflect __P((struct mbuf *, size_t));
-void icmp6_prepare __P((struct mbuf *));
-void icmp6_redirect_input __P((struct mbuf *, int));
-void icmp6_redirect_output __P((struct mbuf *, struct rtentry *));
-#ifdef __bsdi__
-int icmp6_sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
-void icmp6_mtuexpire __P((struct rtentry *, struct rttimer *));
-#endif /*__bsdi__*/
-#if defined(__NetBSD__) || defined(__OpenBSD__)
-int icmp6_sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
-#endif
+void icmp6_init(void);
+void icmp6_paramerror(struct mbuf *, int);
+void icmp6_error(struct mbuf *, int, int, int);
+int icmp6_input(struct mbuf **, int *);
+void icmp6_fasttimo(void);
+void icmp6_reflect(struct mbuf *, size_t);
+void icmp6_prepare(struct mbuf *);
+void icmp6_redirect_input(struct mbuf *, int);
+void icmp6_redirect_output(struct mbuf *, struct rtentry *);
+
+struct ip6ctlparam;
+void icmp6_mtudisc_update(struct ip6ctlparam *, int);
/* XXX: is this the right place for these macros? */
#define icmp6_ifstat_inc(ifp, tag) \
extern int icmp6_rediraccept; /* accept/process redirects */
extern int icmp6_redirtimeout; /* cache time for redirect routes */
-#endif /* KERNEL */
+#endif KERNEL_PRIVATE
#endif /* !_NETINET_ICMP6_H_ */
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