#ifndef _NETINET6_ND6_H_
#define _NETINET6_ND6_H_
#ifndef RTF_ANNOUNCE
#define RTF_ANNOUNCE RTF_PROTO2
#endif
#include <sys/queue.h>
struct llinfo_nd6 {
struct llinfo_nd6 *ln_next;
struct llinfo_nd6 *ln_prev;
struct rtentry *ln_rt;
struct mbuf *ln_hold;
long ln_asked;
u_long ln_expire;
short ln_state;
short ln_router;
};
#define ND6_LLINFO_NOSTATE -2
#define ND6_LLINFO_WAITDELETE -1
#define ND6_LLINFO_INCOMPLETE 0
#define ND6_LLINFO_REACHABLE 1
#define ND6_LLINFO_STALE 2
#define ND6_LLINFO_DELAY 3
#define ND6_LLINFO_PROBE 4
#define ND6_IS_LLINFO_PROBREACH(n) ((n)->ln_state > ND6_LLINFO_INCOMPLETE)
struct nd_ifinfo {
u_int32_t linkmtu;
u_int32_t maxmtu;
u_int32_t basereachable;
u_int32_t reachable;
u_int32_t retrans;
u_int32_t flags;
int recalctm;
u_int8_t chlim;
u_int8_t receivedra;
};
#define ND6_IFF_PERFORMNUD 0x1
struct in6_nbrinfo {
char ifname[IFNAMSIZ];
struct in6_addr addr;
long asked;
int isrouter;
int state;
int expire;
};
#define DRLSTSIZ 10
#define PRLSTSIZ 10
struct in6_drlist {
char ifname[IFNAMSIZ];
struct {
struct in6_addr rtaddr;
u_char flags;
u_short rtlifetime;
u_long expire;
u_short if_index;
} defrouter[DRLSTSIZ];
};
struct in6_prlist {
char ifname[IFNAMSIZ];
struct {
struct in6_addr prefix;
struct prf_ra raflags;
u_char prefixlen;
u_char origin;
u_long vltime;
u_long pltime;
u_long expire;
u_short if_index;
u_short advrtrs;
struct in6_addr advrtr[DRLSTSIZ];
} prefix[PRLSTSIZ];
};
struct in6_ndireq {
char ifname[IFNAMSIZ];
struct nd_ifinfo ndi;
};
struct in6_ndifreq {
char ifname[IFNAMSIZ];
u_long ifindex;
};
#define MAX_RTR_SOLICITATION_DELAY 1
#define RTR_SOLICITATION_INTERVAL 4
#define MAX_RTR_SOLICITATIONS 3
#define ND6_INFINITE_LIFETIME 0xffffffff
#if KERNEL
#define MAX_REACHABLE_TIME 3600000
#define REACHABLE_TIME 30000
#define RETRANS_TIMER 1000
#define MIN_RANDOM_FACTOR 512
#define MAX_RANDOM_FACTOR 1536
#ifndef __OpenBSD__
#define ND_COMPUTE_RTIME(x) \
(((MIN_RANDOM_FACTOR * (x >> 10)) + (random() & \
((MAX_RANDOM_FACTOR - MIN_RANDOM_FACTOR) * (x >> 10)))) /1000)
#else
#define ND_COMPUTE_RTIME(x) \
(((MIN_RANDOM_FACTOR * (x >> 10)) + (arc4random() & \
((MAX_RANDOM_FACTOR - MIN_RANDOM_FACTOR) * (x >> 10)))) /1000)
#endif
TAILQ_HEAD(nd_drhead, nd_defrouter);
struct nd_defrouter {
TAILQ_ENTRY(nd_defrouter) dr_entry;
struct in6_addr rtaddr;
u_char flags;
u_short rtlifetime;
u_long expire;
u_long advint;
u_long advint_expire;
int advints_lost;
struct ifnet *ifp;
};
struct nd_prefix {
struct ifnet *ndpr_ifp;
LIST_ENTRY(nd_prefix) ndpr_entry;
struct sockaddr_in6 ndpr_prefix;
struct in6_addr ndpr_mask;
struct in6_addr ndpr_addr;
u_int32_t ndpr_vltime;
u_int32_t ndpr_pltime;
time_t ndpr_expire;
time_t ndpr_preferred;
struct prf_ra ndpr_flags;
LIST_HEAD(pr_rtrhead, nd_pfxrouter) ndpr_advrtrs;
u_char ndpr_plen;
struct ndpr_stateflags {
u_char onlink : 1;
} ndpr_stateflags;
};
#define ndpr_next ndpr_entry.le_next
#define ndpr_raf ndpr_flags
#define ndpr_raf_onlink ndpr_flags.onlink
#define ndpr_raf_auto ndpr_flags.autonomous
#define ndpr_statef_onlink ndpr_stateflags.onlink
#define ndpr_statef_addmark ndpr_stateflags.addmark
#define NDPR_KEEP_EXPIRED (1800 * 2)
struct inet6_ndpr_msghdr {
u_short inpm_msglen;
u_char inpm_version;
u_char inpm_type;
struct in6_addr inpm_prefix;
u_long prm_vltim;
u_long prm_pltime;
u_long prm_expire;
u_long prm_preferred;
struct in6_prflags prm_flags;
u_short prm_index;
u_char prm_plen;
};
#define prm_raf_onlink prm_flags.prf_ra.onlink
#define prm_raf_auto prm_flags.prf_ra.autonomous
#define prm_statef_onlink prm_flags.prf_state.onlink
#define prm_rrf_decrvalid prm_flags.prf_rr.decrvalid
#define prm_rrf_decrprefd prm_flags.prf_rr.decrprefd
#define ifpr2ndpr(ifpr) ((struct nd_prefix *)(ifpr))
#define ndpr2ifpr(ndpr) ((struct ifprefix *)(ndpr))
struct nd_pfxrouter {
LIST_ENTRY(nd_pfxrouter) pfr_entry;
#define pfr_next pfr_entry.le_next
struct nd_defrouter *router;
};
LIST_HEAD(nd_prhead, nd_prefix);
extern int nd6_prune;
extern int nd6_delay;
extern int nd6_umaxtries;
extern int nd6_mmaxtries;
extern int nd6_useloopback;
extern struct llinfo_nd6 llinfo_nd6;
extern struct nd_ifinfo *nd_ifinfo;
extern struct nd_drhead nd_defrouter;
extern struct nd_prhead nd_prefix;
extern struct ifnet *nd6_defifp;
extern int nd6_defifindex;
union nd_opts {
struct nd_opt_hdr *nd_opt_array[9];
struct {
struct nd_opt_hdr *zero;
struct nd_opt_hdr *src_lladdr;
struct nd_opt_hdr *tgt_lladdr;
struct nd_opt_prefix_info *pi_beg;
struct nd_opt_rd_hdr *rh;
struct nd_opt_mtu *mtu;
struct nd_opt_hdr *six;
struct nd_opt_advint *adv;
struct nd_opt_hai *hai;
struct nd_opt_hdr *search;
struct nd_opt_hdr *last;
int done;
struct nd_opt_prefix_info *pi_end;
} nd_opt_each;
};
#define nd_opts_src_lladdr nd_opt_each.src_lladdr
#define nd_opts_tgt_lladdr nd_opt_each.tgt_lladdr
#define nd_opts_pi nd_opt_each.pi_beg
#define nd_opts_pi_end nd_opt_each.pi_end
#define nd_opts_rh nd_opt_each.rh
#define nd_opts_mtu nd_opt_each.mtu
#define nd_opts_adv nd_opt_each.adv
#define nd_opts_hai nd_opt_each.hai
#define nd_opts_search nd_opt_each.search
#define nd_opts_last nd_opt_each.last
#define nd_opts_done nd_opt_each.done
void nd6_init __P((void));
void nd6_ifattach __P((struct ifnet *));
int nd6_is_addr_neighbor __P((struct in6_addr *, 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_timer_funneled __P((void *));
void nd6_purge __P((struct ifnet *));
void nd6_free __P((struct rtentry *));
void nd6_nud_hint __P((struct rtentry *, struct in6_addr *));
int nd6_resolve __P((struct ifnet *, struct rtentry *,
struct mbuf *, struct sockaddr *, u_char *));
#if defined(__bsdi__) && _BSDI_VERSION >= 199802
void nd6_rtrequest __P((int, struct rtentry *, struct rt_addrinfo *));
void nd6_p2p_rtrequest __P((int, struct rtentry *, struct rt_addrinfo *));
#else
void nd6_rtrequest __P((int, struct rtentry *, struct sockaddr *));
void nd6_p2p_rtrequest __P((int, struct rtentry *, struct sockaddr *));
#endif
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 mbuf *, struct sockaddr_in6 *,
struct rtentry *));
int nd6_storelladdr __P((struct ifnet *, struct rtentry *, struct mbuf *,
struct sockaddr *, u_char *));
void nd6_na_input __P((struct mbuf *, int, int));
void nd6_na_output __P((struct ifnet *, struct in6_addr *,
struct in6_addr *, u_long, int, struct sockaddr *));
void nd6_ns_input __P((struct mbuf *, int, int));
void nd6_ns_output __P((struct ifnet *, struct in6_addr *,
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_duplicated __P((struct ifaddr *));
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 *));
struct nd_pfxrouter *find_pfxlist_reachable_router __P((struct nd_prefix *));
void pfxlist_onlink_check __P((void));
void defrouter_addifreq __P((struct ifnet *));
struct nd_defrouter *defrouter_lookup __P((struct in6_addr *,
struct ifnet *));
struct nd_prefix *prefix_lookup __P((struct nd_prefix *));
int in6_ifdel __P((struct ifnet *, struct in6_addr *));
struct nd_pfxrouter *pfxrtr_lookup __P((struct nd_prefix *,
struct nd_defrouter *));
int in6_init_prefix_ltimes __P((struct nd_prefix *ndpr));
void rt6_flush __P((struct in6_addr *, struct ifnet *));
int nd6_setdefaultiface __P((int));
#endif
#endif