From 5f4e854de19331a53788d6100bbcd42845056bc1 Mon Sep 17 00:00:00 2001 From: itojun Date: Tue, 4 Jul 2000 16:35:15 +0000 Subject: sync with kame tree as of july00. tons of bug fixes/improvements. API changes: - additional IPv6 ioctls - IPsec PF_KEY API was changed, it is mandatory to upgrade setkey(8). (also syntax change) --- sys/netinet6/nd6.h | 323 +++++++++++++++++++++++++++++------------------------ 1 file changed, 180 insertions(+), 143 deletions(-) (limited to 'sys/netinet6/nd6.h') diff --git a/sys/netinet6/nd6.h b/sys/netinet6/nd6.h index 756f495..be1264d 100644 --- a/sys/netinet6/nd6.h +++ b/sys/netinet6/nd6.h @@ -1,3 +1,6 @@ +/* $FreeBSD$ */ +/* $KAME: nd6.h,v 1.23 2000/06/04 12:54:57 itojun Exp $ */ + /* * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. * All rights reserved. @@ -25,12 +28,15 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * - * $FreeBSD$ */ #ifndef _NETINET6_ND6_H_ -#define _NETINET6_ND6_H_ +#define _NETINET6_ND6_H_ + +/* see net/route.h, or net/if_inarp.h */ +#ifndef RTF_ANNOUNCE +#define RTF_ANNOUNCE RTF_PROTO2 +#endif #include @@ -43,128 +49,147 @@ struct llinfo_nd6 { u_long ln_expire; /* lifetime for NDP state transition */ short ln_state; /* reachability state */ short ln_router; /* 2^0: ND6 router bit */ + int ln_byhint; /* # of times we made it reachable by UL hint */ }; -#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_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; /* LinkMTU */ - u_int32_t maxmtu; /* Upper bound of LinkMTU */ - u_int32_t basereachable; /* BaseReachableTime */ - u_int32_t reachable; /* Reachable Time */ - u_int32_t retrans; /* Retrans Timer */ - int recalctm; /* BaseReacable re-calculation timer */ - u_int8_t chlim; /* CurHopLimit */ - u_int8_t receivedra; + u_int32_t linkmtu; /* LinkMTU */ + u_int32_t maxmtu; /* Upper bound of LinkMTU */ + u_int32_t basereachable; /* BaseReachableTime */ + u_int32_t reachable; /* Reachable Time */ + u_int32_t retrans; /* Retrans Timer */ + u_int32_t flags; /* Flags */ + int recalctm; /* BaseReacable re-calculation timer */ + u_int8_t chlim; /* CurHopLimit */ + u_int8_t receivedra; }; +#define ND6_IFF_PERFORMNUD 0x1 + struct in6_nbrinfo { - char ifname[IFNAMSIZ]; /* if name, e.g. "en0" */ - struct in6_addr addr; /* IPv6 address of the neighbor */ + char ifname[IFNAMSIZ]; /* if name, e.g. "en0" */ + struct in6_addr addr; /* IPv6 address of the neighbor */ long asked; /* number of queries already sent for this addr */ int isrouter; /* if it acts as a router */ int state; /* reachability state */ int expire; /* lifetime for NDP state transition */ }; -#define DRLSTSIZ 10 -#define PRLSTSIZ 10 +#define DRLSTSIZ 10 +#define PRLSTSIZ 10 struct in6_drlist { - char ifname[IFNAMSIZ]; + char ifname[IFNAMSIZ]; struct { struct in6_addr rtaddr; u_char flags; u_short rtlifetime; u_long expire; - u_short if_index; + u_short if_index; } defrouter[DRLSTSIZ]; }; struct in6_prlist { - char ifname[IFNAMSIZ]; + char ifname[IFNAMSIZ]; struct { struct in6_addr prefix; - struct prf_ra raflags; + 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; /* number of advertisement routers */ + u_short if_index; + u_short advrtrs; /* number of advertisement routers */ struct in6_addr advrtr[DRLSTSIZ]; /* XXX: explicit limit */ } prefix[PRLSTSIZ]; }; struct in6_ndireq { - char ifname[IFNAMSIZ]; - struct nd_ifinfo ndi; + char ifname[IFNAMSIZ]; + struct nd_ifinfo ndi; }; +struct in6_ndifreq { + char ifname[IFNAMSIZ]; + u_long ifindex; +}; + + /* protocol constants */ -#define MAX_RTR_SOLICITATION_DELAY 1 /*1sec*/ -#define RTR_SOLICITATION_INTERVAL 4 /*4sec*/ -#define MAX_RTR_SOLICITATIONS 3 +#define MAX_RTR_SOLICITATION_DELAY 1 /*1sec*/ +#define RTR_SOLICITATION_INTERVAL 4 /*4sec*/ +#define MAX_RTR_SOLICITATIONS 3 -#define ND6_INFINITE_LIFETIME 0xffffffff +#define ND6_INFINITE_LIFETIME 0xffffffff #ifdef _KERNEL /* node constants */ -#define MAX_REACHABLE_TIME 3600000 /* msec */ -#define REACHABLE_TIME 30000 /* msec */ -#define RETRANS_TIMER 1000 /* msec */ -#define MIN_RANDOM_FACTOR 512 /* 1024 * 0.5 */ -#define MAX_RANDOM_FACTOR 1536 /* 1024 * 1.5 */ -#define ND_COMPUTE_RTIME(x) \ +#define MAX_REACHABLE_TIME 3600000 /* msec */ +#define REACHABLE_TIME 30000 /* msec */ +#define RETRANS_TIMER 1000 /* msec */ +#define MIN_RANDOM_FACTOR 512 /* 1024 * 0.5 */ +#define MAX_RANDOM_FACTOR 1536 /* 1024 * 1.5 */ +#define ND_COMPUTE_RTIME(x) \ (((MIN_RANDOM_FACTOR * (x >> 10)) + (random() & \ ((MAX_RANDOM_FACTOR - MIN_RANDOM_FACTOR) * (x >> 10)))) /1000) +TAILQ_HEAD(nd_drhead, nd_defrouter); struct nd_defrouter { - LIST_ENTRY(nd_defrouter) dr_entry; + TAILQ_ENTRY(nd_defrouter) dr_entry; struct in6_addr rtaddr; u_char flags; u_short rtlifetime; u_long expire; - struct ifnet *ifp; + u_long advint; /* Mobile IPv6 addition (milliseconds) */ + u_long advint_expire; /* Mobile IPv6 addition */ + int advints_lost; /* Mobile IPv6 addition */ + struct ifnet *ifp; }; struct nd_prefix { - struct ifnet *ndpr_ifp; + struct ifnet *ndpr_ifp; LIST_ENTRY(nd_prefix) ndpr_entry; - struct sockaddr_in6 ndpr_prefix; /* prefix */ - struct in6_addr ndpr_mask; /* netmask derived from the prefix */ - struct in6_addr ndpr_addr; /* address that is derived from the prefix */ - u_int32_t ndpr_vltime; /* advertised valid lifetime */ - u_int32_t ndpr_pltime; /* advertised preferred lifetime */ - time_t ndpr_expire; /* expiration time of the prefix */ - time_t ndpr_preferred; /* preferred time of the prefix */ - struct prf_ra ndpr_flags; + struct sockaddr_in6 ndpr_prefix; /* prefix */ + struct in6_addr ndpr_mask; /* netmask derived from the prefix */ + struct in6_addr ndpr_addr; /* address that is derived from the prefix */ + u_int32_t ndpr_vltime; /* advertised valid lifetime */ + u_int32_t ndpr_pltime; /* advertised preferred lifetime */ + time_t ndpr_expire; /* expiration time of the prefix */ + time_t ndpr_preferred; /* preferred time of the prefix */ + struct prf_ra ndpr_flags; /* list of routers that advertise the prefix: */ LIST_HEAD(pr_rtrhead, nd_pfxrouter) ndpr_advrtrs; u_char ndpr_plen; struct ndpr_stateflags { /* if this prefix can be regarded as on-link */ - u_char onlink : 1; + u_char onlink : 1; } ndpr_stateflags; }; -#define ndpr_raf ndpr_flags -#define ndpr_raf_onlink ndpr_flags.onlink -#define ndpr_raf_auto ndpr_flags.autonomous +#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_statef_onlink ndpr_stateflags.onlink +#define ndpr_statef_addmark ndpr_stateflags.addmark /* * We keep expired prefix for certain amount of time, for validation purposes. * 1800s = MaxRtrAdvInterval */ -#define NDPR_KEEP_EXPIRED (1800 * 2) +#define NDPR_KEEP_EXPIRED (1800 * 2) /* * Message format for use in obtaining information about prefixes @@ -174,124 +199,136 @@ struct inet6_ndpr_msghdr { u_short inpm_msglen; /* to skip over non-understood messages */ u_char inpm_version; /* future binary compatability */ u_char inpm_type; /* message type */ - struct in6_addr inpm_prefix; + 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; + struct in6_prflags prm_flags; u_short prm_index; /* index for associated ifp */ u_char prm_plen; /* length of prefix in bits */ }; -#define prm_raf_onlink prm_flags.prf_ra.onlink -#define prm_raf_auto prm_flags.prf_ra.autonomous +#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_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 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)) +#define ifpr2ndpr(ifpr) ((struct nd_prefix *)(ifpr)) +#define ndpr2ifpr(ndpr) ((struct ifprefix *)(ndpr)) struct nd_pfxrouter { LIST_ENTRY(nd_pfxrouter) pfr_entry; - struct nd_defrouter *router; +#define pfr_next pfr_entry.le_next + struct nd_defrouter *router; }; -LIST_HEAD(nd_drhead, nd_defrouter); LIST_HEAD(nd_prhead, nd_prefix); /* nd6.c */ -extern int nd6_prune; -extern int nd6_delay; -extern int nd6_umaxtries; -extern int nd6_mmaxtries; -extern int nd6_useloopback; -extern int nd6_proxyall; -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 int nd6_prune; +extern int nd6_delay; +extern int nd6_umaxtries; +extern int nd6_mmaxtries; +extern int nd6_useloopback; +extern int nd6_maxnudhint; +extern struct llinfo_nd6 llinfo_nd6; +extern struct nd_ifinfo *nd_ifinfo; +extern struct nd_drhead nd_defrouter; +extern struct nd_prhead nd_prefix; + +/* nd6_rtr.c */ +extern int nd6_defifindex; union nd_opts { - struct nd_opt_hdr *nd_opt_array[9]; + struct nd_opt_hdr *nd_opt_array[9]; /*max = home agent info*/ 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;/* multiple opts, start */ - struct nd_opt_rd_hdr *rh; - struct nd_opt_mtu *mtu; - struct nd_opt_hdr *search; /* multiple opts */ - struct nd_opt_hdr *last; /* multiple opts */ - int done; - struct nd_opt_prefix_info *pi_end;/* multiple opts, end */ + 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_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; /* multiple opts */ + struct nd_opt_hdr *last; /* multiple opts */ + int done; + struct nd_opt_prefix_info *pi_end;/* multiple opts, 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_search nd_opt_each.search -#define nd_opts_last nd_opt_each.last -#define nd_opts_done nd_opt_each.done +#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 /* 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 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 *)); +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_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 *)); -void nd6_rtrequest __P((int, struct rtentry *, struct sockaddr *)); -void nd6_p2p_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)); +void nd6_setmtu __P((struct ifnet *)); +void nd6_timer __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)); +int nd6_resolve __P((struct ifnet *, struct rtentry *, + struct mbuf *, struct sockaddr *, u_char *)); +void nd6_rtrequest __P((int, struct rtentry *, struct sockaddr *)); +void nd6_p2p_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)); /* for test */ -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 *)); +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 *)); /* nd6_nbr.c */ -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)); -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_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 *)); /* 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 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_defrouter *defrouter_lookup __P((struct in6_addr *, - struct ifnet *)); -int in6_ifdel __P((struct ifnet *, struct in6_addr *)); -int in6_init_prefix_ltimes __P((struct nd_prefix *ndpr)); -void rt6_flush __P((struct in6_addr *, struct ifnet *)); +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 *)); +void pfxlist_onlink_check __P((void)); +struct nd_defrouter *defrouter_lookup __P((struct in6_addr *, + struct ifnet *)); +int in6_ifdel __P((struct ifnet *, struct in6_addr *)); +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 /* _KERNEL */ -- cgit v1.1