X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/9bccf70c0258c7cac2dcb80011b2a964d884c552..91447636331957f3d9b5ca5b508f07c526b0074d:/bsd/netinet6/nd6.h diff --git a/bsd/netinet6/nd6.h b/bsd/netinet6/nd6.h index a84135d9a..8f525ce33 100644 --- a/bsd/netinet6/nd6.h +++ b/bsd/netinet6/nd6.h @@ -41,6 +41,7 @@ #include +#ifdef KERNEL_PRIVATE struct llinfo_nd6 { struct llinfo_nd6 *ln_next; struct llinfo_nd6 *ln_prev; @@ -52,6 +53,7 @@ struct llinfo_nd6 { short ln_router; /* 2^0: ND6 router bit */ int ln_byhint; /* # of times we made it reachable by UL hint */ }; +#endif /* KERNEL_PRIVATE */ #define ND6_LLINFO_NOSTATE -2 /* @@ -80,7 +82,7 @@ struct nd_ifinfo { int recalctm; /* BaseReacable re-calculation timer */ u_int8_t chlim; /* CurHopLimit */ u_int8_t receivedra; - /* the followings are for privacy extension for addrconf */ + /* the following 3 members are for privacy extension for addrconf */ u_int8_t randomseed0[8]; /* upper 64 bits of MD5 digest */ u_int8_t randomseed1[8]; /* lower 64 bits (usually the EUI64 IFID) */ u_int8_t randomid[8]; /* current random ID */ @@ -185,8 +187,7 @@ struct in6_ndifreq { #define ND6_INFINITE_LIFETIME 0xffffffff -#ifdef KERNEL -#ifdef __APPLE_API_PRIVATE +#ifdef KERNEL_PRIVATE /* node constants */ #define MAX_REACHABLE_TIME 3600000 /* msec */ #define REACHABLE_TIME 30000 /* msec */ @@ -205,7 +206,7 @@ TAILQ_HEAD(nd_drhead, nd_defrouter); struct nd_defrouter { TAILQ_ENTRY(nd_defrouter) dr_entry; struct in6_addr rtaddr; - u_char flags; + u_char flags; /* flags on RA message */ u_short rtlifetime; u_long expire; u_long advint; /* Mobile IPv6 addition (milliseconds) */ @@ -250,7 +251,7 @@ struct nd_prefix { */ struct inet6_ndpr_msghdr { u_short inpm_msglen; /* to skip over non-understood messages */ - u_char inpm_version; /* future binary compatability */ + u_char inpm_version; /* future binary compatibility */ u_char inpm_type; /* message type */ struct in6_addr inpm_prefix; u_long prm_vltim; @@ -312,7 +313,7 @@ union nd_opts { struct nd_opt_hdr *zero; struct nd_opt_hdr *src_lladdr; struct nd_opt_hdr *tgt_lladdr; - struct nd_opt_prefix_info *pi_beg;/* multiple opts, start */ + struct nd_opt_prefix_info *pi_beg; /* multiple opts, start */ struct nd_opt_rd_hdr *rh; struct nd_opt_mtu *mtu; struct nd_opt_hdr *six; @@ -338,67 +339,96 @@ union nd_opts { /* XXX: need nd6_var.h?? */ /* nd6.c */ -void nd6_init __P((void)); -void nd6_ifattach __P((struct ifnet *)); -int nd6_is_addr_neighbor __P((struct sockaddr_in6 *, struct ifnet *)); -void nd6_option_init __P((void *, int, union nd_opts *)); -struct nd_opt_hdr *nd6_option __P((union nd_opts *)); -int nd6_options __P((union nd_opts *)); -struct rtentry *nd6_lookup __P((struct in6_addr *, int, struct ifnet *)); -void nd6_setmtu __P((struct ifnet *)); -void nd6_timer __P((void *)); -void nd6_purge __P((struct ifnet *)); -struct llinfo_nd6 *nd6_free __P((struct rtentry *)); -void nd6_nud_hint __P((struct rtentry *, struct in6_addr *, int)); -int nd6_resolve __P((struct ifnet *, struct rtentry *, - struct mbuf *, struct sockaddr *, u_char *)); -void nd6_rtrequest __P((int, struct rtentry *, struct sockaddr *)); -int nd6_ioctl __P((u_long, caddr_t, struct ifnet *)); -struct rtentry *nd6_cache_lladdr __P((struct ifnet *, struct in6_addr *, - char *, int, int, int)); -int nd6_output __P((struct ifnet *, struct ifnet *, struct mbuf *, - struct sockaddr_in6 *, struct rtentry *)); -int nd6_storelladdr __P((struct ifnet *, struct rtentry *, struct mbuf *, - struct sockaddr *, u_char *)); -int nd6_need_cache __P((struct ifnet *)); +void nd6_init(void); +void nd6_ifattach(struct ifnet *); +int nd6_is_addr_neighbor(struct sockaddr_in6 *, struct ifnet *, int); +void nd6_option_init(void *, int, union nd_opts *); +struct nd_opt_hdr *nd6_option(union nd_opts *); +int nd6_options(union nd_opts *); +struct rtentry *nd6_lookup(struct in6_addr *, int, struct ifnet *, int); +void nd6_setmtu(struct ifnet *); +void nd6_timer(void *); +void nd6_purge(struct ifnet *); +struct llinfo_nd6 *nd6_free(struct rtentry *); +void nd6_nud_hint(struct rtentry *, struct in6_addr *, int); +int nd6_resolve(struct ifnet *, struct rtentry *, + struct mbuf *, struct sockaddr *, u_char *); +void nd6_rtrequest(int, struct rtentry *, struct sockaddr *); +int nd6_ioctl(u_long, caddr_t, struct ifnet *); +struct rtentry *nd6_cache_lladdr(struct ifnet *, struct in6_addr *, + char *, int, int, int); +int nd6_output(struct ifnet *, struct ifnet *, struct mbuf *, + struct sockaddr_in6 *, struct rtentry *, int); +int nd6_storelladdr(struct ifnet *, struct rtentry *, struct mbuf *, + struct sockaddr *, u_char *); +int nd6_need_cache(struct ifnet *); /* nd6_nbr.c */ -void nd6_na_input __P((struct mbuf *, int, int)); -void nd6_na_output __P((struct ifnet *, const struct in6_addr *, - const struct in6_addr *, u_long, int, struct sockaddr *)); -void nd6_ns_input __P((struct mbuf *, int, int)); -void nd6_ns_output __P((struct ifnet *, const struct in6_addr *, - const struct in6_addr *, struct llinfo_nd6 *, int)); -caddr_t nd6_ifptomac __P((struct ifnet *)); -void nd6_dad_start __P((struct ifaddr *, int *)); -void nd6_dad_stop __P((struct ifaddr *)); -void nd6_dad_duplicated __P((struct ifaddr *)); +void nd6_na_input(struct mbuf *, int, int); +void nd6_na_output(struct ifnet *, const struct in6_addr *, + const struct in6_addr *, u_long, int, struct sockaddr *); +void nd6_ns_input(struct mbuf *, int, int); +void nd6_ns_output(struct ifnet *, const struct in6_addr *, + const struct in6_addr *, struct llinfo_nd6 *, int, int); +caddr_t nd6_ifptomac(struct ifnet *); +void nd6_dad_start(struct ifaddr *, int *); +void nd6_dad_stop(struct ifaddr *); +void nd6_dad_duplicated(struct ifaddr *); /* nd6_rtr.c */ -void nd6_rs_input __P((struct mbuf *, int, int)); -void nd6_ra_input __P((struct mbuf *, int, int)); -void prelist_del __P((struct nd_prefix *)); -void defrouter_addreq __P((struct nd_defrouter *)); -void defrouter_delreq __P((struct nd_defrouter *, int)); -void defrouter_select __P((void)); -void defrtrlist_del __P((struct nd_defrouter *)); -void prelist_remove __P((struct nd_prefix *)); -int prelist_update __P((struct nd_prefix *, struct nd_defrouter *, - struct mbuf *)); -int nd6_prelist_add __P((struct nd_prefix *, struct nd_defrouter *, - struct nd_prefix **)); -int nd6_prefix_onlink __P((struct nd_prefix *)); -int nd6_prefix_offlink __P((struct nd_prefix *)); -void pfxlist_onlink_check __P((void)); -struct nd_defrouter *defrouter_lookup __P((struct in6_addr *, - struct ifnet *)); -struct nd_prefix *nd6_prefix_lookup __P((struct nd_prefix *)); -int in6_init_prefix_ltimes __P((struct nd_prefix *ndpr)); -void rt6_flush __P((struct in6_addr *, struct ifnet *)); -int nd6_setdefaultiface __P((int)); -int in6_tmpifadd __P((const struct in6_ifaddr *, int)); - -#endif /* __APPLE_API_PRIVATE */ -#endif /* KERNEL */ +void nd6_rs_input(struct mbuf *, int, int); +void nd6_ra_input(struct mbuf *, int, int); +void prelist_del(struct nd_prefix *); +void defrouter_addreq(struct nd_defrouter *); +void defrouter_delreq(struct nd_defrouter *, int); +void defrouter_select(void); +void defrtrlist_del(struct nd_defrouter *, int); +void prelist_remove(struct nd_prefix *, int); +int prelist_update(struct nd_prefix *, struct nd_defrouter *, + struct mbuf *); +int nd6_prelist_add(struct nd_prefix *, struct nd_defrouter *, + struct nd_prefix **); +int nd6_prefix_onlink(struct nd_prefix *, int, int); +int nd6_prefix_offlink(struct nd_prefix *); +void pfxlist_onlink_check(int); +struct nd_defrouter *defrouter_lookup(struct in6_addr *, + struct ifnet *); +struct nd_prefix *nd6_prefix_lookup(struct nd_prefix *); +int in6_init_prefix_ltimes(struct nd_prefix *ndpr); +void rt6_flush(struct in6_addr *, struct ifnet *); +int nd6_setdefaultiface(int); +int in6_tmpifadd(const struct in6_ifaddr *, int); +#endif /* KERNEL_PRIVATE */ + +#ifdef KERNEL + +/*! + @function nd6_lookup_ipv6 + @discussion This function will check the routing table for a cached + neighbor discovery entry or trigger an neighbor discovery query + to resolve the IPv6 address to a link-layer address. + + nd entries are stored in the routing table. This function will + lookup the IPv6 destination in the routing table. If the + destination requires forwarding to a gateway, the route of the + gateway will be looked up. The route entry is inspected to + determine if the link layer destination address is known. If + unknown, neighbor discovery will be used to resolve the entry. + @param interface The interface the packet is being sent on. + @param ip6_dest The IPv6 destination of the packet. + @param ll_dest On output, the link-layer destination. + @param ll_dest_len The length of the buffer for ll_dest. + @param hint Any routing hint passed down from the protocol. + @param packet The packet being transmitted. + @result May return an error such as EHOSTDOWN or ENETUNREACH. If + this function returns EJUSTRETURN, the packet has been queued + and will be sent when the address is resolved. If any other + value is returned, the caller is responsible for disposing of + the packet. + */ +errno_t nd6_lookup_ipv6(ifnet_t interface, const struct sockaddr_in6 *ip6_dest, + struct sockaddr_dl *ll_dest, size_t ll_dest_len, route_t hint, + mbuf_t packet); +#endif KERNEL #endif /* _NETINET6_ND6_H_ */