#include <sys/queue.h>
+#ifdef KERNEL_PRIVATE
struct llinfo_nd6 {
struct llinfo_nd6 *ln_next;
struct llinfo_nd6 *ln_prev;
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
/*
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 */
#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 */
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) */
*/
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;
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;
/* 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_ */
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