From bceabc95c1c85d793200446fa85f1ddc6313ea29 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Wed, 9 Oct 2013 22:42:09 +0200 Subject: Move files to match FreeBSD layout --- freebsd/sys/netinet6/nd6.h | 455 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 455 insertions(+) create mode 100644 freebsd/sys/netinet6/nd6.h (limited to 'freebsd/sys/netinet6/nd6.h') diff --git a/freebsd/sys/netinet6/nd6.h b/freebsd/sys/netinet6/nd6.h new file mode 100644 index 00000000..2da061df --- /dev/null +++ b/freebsd/sys/netinet6/nd6.h @@ -0,0 +1,455 @@ +/*- + * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the project nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * 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. + * + * $KAME: nd6.h,v 1.76 2001/12/18 02:10:31 itojun Exp $ + * $FreeBSD$ + */ + +#ifndef _NETINET6_ND6_HH_ +#define _NETINET6_ND6_HH_ + +/* see net/route.h, or net/if_inarp.h */ +#ifndef RTF_ANNOUNCE +#define RTF_ANNOUNCE RTF_PROTO2 +#endif + +#include +#include + +struct llentry; + +#define ND6_LLINFO_NOSTATE -2 +/* + * We don't need the WAITDELETE state any more, but we keep the definition + * in a comment line instead of removing it. This is necessary to avoid + * unintentionally reusing the value for another purpose, which might + * affect backward compatibility with old applications. + * (20000711 jinmei@kame.net) + */ +/* #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) +#define ND6_LLINFO_PERMANENT(n) (((n)->la_expire == 0) && ((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 */ + u_int32_t flags; /* Flags */ + int recalctm; /* BaseReacable re-calculation timer */ + u_int8_t chlim; /* CurHopLimit */ + u_int8_t initialized; /* Flag to see the entry is initialized */ + /* 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_IFF_PERFORMNUD 0x1 +#define ND6_IFF_ACCEPT_RTADV 0x2 +#define ND6_IFF_PREFER_SOURCE 0x4 /* XXX: not related to ND. */ +#define ND6_IFF_IFDISABLED 0x8 /* IPv6 operation is disabled due to + * DAD failure. (XXX: not ND-specific) + */ +#define ND6_IFF_DONT_SET_IFROUTE 0x10 + +#define ND6_CREATE LLE_CREATE +#define ND6_EXCLUSIVE LLE_EXCLUSIVE + +#ifdef _KERNEL +#define ND_IFINFO(ifp) \ + (((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->nd_ifinfo) +#define IN6_LINKMTU(ifp) \ + ((ND_IFINFO(ifp)->linkmtu && ND_IFINFO(ifp)->linkmtu < (ifp)->if_mtu) \ + ? ND_IFINFO(ifp)->linkmtu \ + : ((ND_IFINFO(ifp)->maxmtu && ND_IFINFO(ifp)->maxmtu < (ifp)->if_mtu) \ + ? ND_IFINFO(ifp)->maxmtu : (ifp)->if_mtu)) +#endif + +struct in6_nbrinfo { + 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 +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_defrouter { + struct sockaddr_in6 rtaddr; + u_char flags; + u_short rtlifetime; + u_long expire; + u_short if_index; +}; + +#ifdef _KERNEL +struct in6_oprlist { + 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; /* number of advertisement routers */ + struct in6_addr advrtr[DRLSTSIZ]; /* XXX: explicit limit */ + } prefix[PRLSTSIZ]; +}; +#endif + +struct in6_prlist { + char ifname[IFNAMSIZ]; + struct { + struct in6_addr prefix; + struct prf_ra raflags; + u_char prefixlen; + u_char origin; + u_int32_t vltime; + u_int32_t pltime; + time_t expire; + u_short if_index; + u_short advrtrs; /* number of advertisement routers */ + struct in6_addr advrtr[DRLSTSIZ]; /* XXX: explicit limit */ + } prefix[PRLSTSIZ]; +}; + +struct in6_prefix { + struct sockaddr_in6 prefix; + struct prf_ra raflags; + u_char prefixlen; + u_char origin; + u_int32_t vltime; + u_int32_t pltime; + time_t expire; + u_int32_t flags; + int refcnt; + u_short if_index; + u_short advrtrs; /* number of advertisement routers */ + /* struct sockaddr_in6 advrtr[] */ +}; + +#ifdef _KERNEL +struct in6_ondireq { + char ifname[IFNAMSIZ]; + struct { + 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; + } ndi; +}; +#endif + +struct in6_ndireq { + char ifname[IFNAMSIZ]; + struct nd_ifinfo ndi; +}; + +struct in6_ndifreq { + char ifname[IFNAMSIZ]; + u_long ifindex; +}; + +/* Prefix status */ +#define NDPRF_ONLINK 0x1 +#define NDPRF_DETACHED 0x2 + +/* protocol constants */ +#define MAX_RTR_SOLICITATION_DELAY 1 /* 1sec */ +#define RTR_SOLICITATION_INTERVAL 4 /* 4sec */ +#define MAX_RTR_SOLICITATIONS 3 + +#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 DEF_TEMP_VALID_LIFETIME 604800 /* 1 week */ +#define DEF_TEMP_PREFERRED_LIFETIME 86400 /* 1 day */ +#define TEMPADDR_REGEN_ADVANCE 5 /* sec */ +#define MAX_TEMP_DESYNC_FACTOR 600 /* 10 min */ +#define ND_COMPUTE_RTIME(x) \ + (((MIN_RANDOM_FACTOR * (x >> 10)) + (arc4random() & \ + ((MAX_RANDOM_FACTOR - MIN_RANDOM_FACTOR) * (x >> 10)))) /1000) + +TAILQ_HEAD(nd_drhead, nd_defrouter); +struct nd_defrouter { + TAILQ_ENTRY(nd_defrouter) dr_entry; + struct in6_addr rtaddr; + u_char flags; /* flags on RA message */ + u_short rtlifetime; + u_long expire; + struct ifnet *ifp; + int installed; /* is installed into kernel routing table */ +}; + +struct nd_prefixctl { + struct ifnet *ndpr_ifp; + + /* prefix */ + struct sockaddr_in6 ndpr_prefix; + u_char ndpr_plen; + + u_int32_t ndpr_vltime; /* advertised valid lifetime */ + u_int32_t ndpr_pltime; /* advertised preferred lifetime */ + + struct prf_ra ndpr_flags; +}; + + +struct nd_prefix { + 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 */ + + 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 */ + time_t ndpr_lastupdate; /* reception time of last advertisement */ + + struct prf_ra ndpr_flags; + u_int32_t ndpr_stateflags; /* actual state flags */ + /* list of routers that advertise the prefix: */ + LIST_HEAD(pr_rtrhead, nd_pfxrouter) ndpr_advrtrs; + u_char ndpr_plen; + int ndpr_refcnt; /* reference couter from addresses */ +}; + +#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_raf_router ndpr_flags.router + +/* + * Message format for use in obtaining information about prefixes + * from inet6 sysctl function + */ +struct inet6_ndpr_msghdr { + u_short inpm_msglen; /* to skip over non-understood messages */ + u_char inpm_version; /* future binary compatibility */ + u_char inpm_type; /* message 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; /* 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_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 + +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); + +/* nd6.c */ +VNET_DECLARE(int, nd6_prune); +VNET_DECLARE(int, nd6_delay); +VNET_DECLARE(int, nd6_umaxtries); +VNET_DECLARE(int, nd6_mmaxtries); +VNET_DECLARE(int, nd6_useloopback); +VNET_DECLARE(int, nd6_maxnudhint); +VNET_DECLARE(int, nd6_gctimer); +VNET_DECLARE(struct nd_drhead, nd_defrouter); +VNET_DECLARE(struct nd_prhead, nd_prefix); +VNET_DECLARE(int, nd6_debug); +VNET_DECLARE(int, nd6_onlink_ns_rfc4861); +#define V_nd6_prune VNET(nd6_prune) +#define V_nd6_delay VNET(nd6_delay) +#define V_nd6_umaxtries VNET(nd6_umaxtries) +#define V_nd6_mmaxtries VNET(nd6_mmaxtries) +#define V_nd6_useloopback VNET(nd6_useloopback) +#define V_nd6_maxnudhint VNET(nd6_maxnudhint) +#define V_nd6_gctimer VNET(nd6_gctimer) +#define V_nd_defrouter VNET(nd_defrouter) +#define V_nd_prefix VNET(nd_prefix) +#define V_nd6_debug VNET(nd6_debug) +#define V_nd6_onlink_ns_rfc4861 VNET(nd6_onlink_ns_rfc4861) + +#define nd6log(x) do { if (V_nd6_debug) log x; } while (/*CONSTCOND*/ 0) + +VNET_DECLARE(struct callout, nd6_timer_ch); +#define V_nd6_timer_ch VNET(nd6_timer_ch) + +/* nd6_rtr.c */ +VNET_DECLARE(int, nd6_defifindex); +VNET_DECLARE(int, ip6_desync_factor); /* seconds */ +VNET_DECLARE(u_int32_t, ip6_temp_preferred_lifetime); /* seconds */ +VNET_DECLARE(u_int32_t, ip6_temp_valid_lifetime); /* seconds */ +VNET_DECLARE(int, ip6_temp_regen_advance); /* seconds */ +#define V_nd6_defifindex VNET(nd6_defifindex) +#define V_ip6_desync_factor VNET(ip6_desync_factor) +#define V_ip6_temp_preferred_lifetime VNET(ip6_temp_preferred_lifetime) +#define V_ip6_temp_valid_lifetime VNET(ip6_temp_valid_lifetime) +#define V_ip6_temp_regen_advance VNET(ip6_temp_regen_advance) + +union nd_opts { + struct nd_opt_hdr *nd_opt_array[8]; /* max = target address list */ + 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 */ + } 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 + +/* XXX: need nd6_var.h?? */ +/* nd6.c */ +void nd6_init __P((void)); +#ifdef VIMAGE +void nd6_destroy __P((void)); +#endif +struct nd_ifinfo *nd6_ifattach __P((struct ifnet *)); +void nd6_ifdetach __P((struct nd_ifinfo *)); +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 llentry *nd6_lookup __P((struct in6_addr *, int, struct ifnet *)); +void nd6_setmtu __P((struct ifnet *)); +void nd6_llinfo_settimer __P((struct llentry *, long)); +void nd6_llinfo_settimer_locked __P((struct llentry *, long)); +void nd6_timer __P((void *)); +void nd6_purge __P((struct ifnet *)); +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 *)); +int nd6_ioctl __P((u_long, caddr_t, struct ifnet *)); +struct llentry *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_output_lle __P((struct ifnet *, struct ifnet *, struct mbuf *, + struct sockaddr_in6 *, struct rtentry *, struct llentry *, + struct mbuf **)); +int nd6_output_flush __P((struct ifnet *, struct ifnet *, struct mbuf *, + struct sockaddr_in6 *, struct route *)); +int nd6_need_cache __P((struct ifnet *)); +int nd6_storelladdr __P((struct ifnet *, struct mbuf *, + struct sockaddr *, u_char *, struct llentry **)); + +/* 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 llentry *, 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 *)); + +/* 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_reset __P((void)); +void defrouter_select __P((void)); +void defrtrlist_del __P((struct nd_defrouter *)); +void prelist_remove __P((struct nd_prefix *)); +int nd6_prelist_add __P((struct nd_prefixctl *, 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_prefixctl *)); +void rt6_flush __P((struct in6_addr *, struct ifnet *)); +int nd6_setdefaultiface __P((int)); +int in6_tmpifadd __P((const struct in6_ifaddr *, int, int)); + +#endif /* _KERNEL */ + +#endif /* _NETINET6_ND6_HH_ */ -- cgit v1.2.3