1139826Simp/*- 253541Sshin * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 353541Sshin * All rights reserved. 453541Sshin * 553541Sshin * Redistribution and use in source and binary forms, with or without 653541Sshin * modification, are permitted provided that the following conditions 753541Sshin * are met: 853541Sshin * 1. Redistributions of source code must retain the above copyright 953541Sshin * notice, this list of conditions and the following disclaimer. 1053541Sshin * 2. Redistributions in binary form must reproduce the above copyright 1153541Sshin * notice, this list of conditions and the following disclaimer in the 1253541Sshin * documentation and/or other materials provided with the distribution. 1353541Sshin * 3. Neither the name of the project nor the names of its contributors 1453541Sshin * may be used to endorse or promote products derived from this software 1553541Sshin * without specific prior written permission. 1653541Sshin * 1753541Sshin * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 1853541Sshin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1953541Sshin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2053541Sshin * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 2153541Sshin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2253541Sshin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2353541Sshin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2453541Sshin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2553541Sshin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2653541Sshin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2753541Sshin * SUCH DAMAGE. 28174510Sobrien * 29174510Sobrien * $KAME: nd6.h,v 1.76 2001/12/18 02:10:31 itojun Exp $ 30174510Sobrien * $FreeBSD$ 3153541Sshin */ 3253541Sshin 3353541Sshin#ifndef _NETINET6_ND6_H_ 3462587Sitojun#define _NETINET6_ND6_H_ 3553541Sshin 3662587Sitojun/* see net/route.h, or net/if_inarp.h */ 3762587Sitojun#ifndef RTF_ANNOUNCE 3862587Sitojun#define RTF_ANNOUNCE RTF_PROTO2 3962587Sitojun#endif 4062587Sitojun 4153541Sshin#include <sys/queue.h> 4278064Sume#include <sys/callout.h> 4353541Sshin 44186119Sqinglistruct llentry; 45151539Ssuz 4662587Sitojun#define ND6_LLINFO_NOSTATE -2 4778064Sume/* 4878064Sume * We don't need the WAITDELETE state any more, but we keep the definition 4978064Sume * in a comment line instead of removing it. This is necessary to avoid 5078064Sume * unintentionally reusing the value for another purpose, which might 5178064Sume * affect backward compatibility with old applications. 5278064Sume * (20000711 jinmei@kame.net) 5378064Sume */ 5478064Sume/* #define ND6_LLINFO_WAITDELETE -1 */ 5562587Sitojun#define ND6_LLINFO_INCOMPLETE 0 5662587Sitojun#define ND6_LLINFO_REACHABLE 1 5762587Sitojun#define ND6_LLINFO_STALE 2 5862587Sitojun#define ND6_LLINFO_DELAY 3 5962587Sitojun#define ND6_LLINFO_PROBE 4 6053541Sshin 6162587Sitojun#define ND6_IS_LLINFO_PROBREACH(n) ((n)->ln_state > ND6_LLINFO_INCOMPLETE) 62186119Sqingli#define ND6_LLINFO_PERMANENT(n) (((n)->la_expire == 0) && ((n)->ln_state > ND6_LLINFO_INCOMPLETE)) 6362587Sitojun 6453541Sshinstruct nd_ifinfo { 6562587Sitojun u_int32_t linkmtu; /* LinkMTU */ 6662587Sitojun u_int32_t maxmtu; /* Upper bound of LinkMTU */ 6762587Sitojun u_int32_t basereachable; /* BaseReachableTime */ 6862587Sitojun u_int32_t reachable; /* Reachable Time */ 6962587Sitojun u_int32_t retrans; /* Retrans Timer */ 7062587Sitojun u_int32_t flags; /* Flags */ 7162587Sitojun int recalctm; /* BaseReacable re-calculation timer */ 7262587Sitojun u_int8_t chlim; /* CurHopLimit */ 73121161Sume u_int8_t initialized; /* Flag to see the entry is initialized */ 7495023Ssuz /* the following 3 members are for privacy extension for addrconf */ 7578064Sume u_int8_t randomseed0[8]; /* upper 64 bits of MD5 digest */ 7678064Sume u_int8_t randomseed1[8]; /* lower 64 bits (usually the EUI64 IFID) */ 7778064Sume u_int8_t randomid[8]; /* current random ID */ 7853541Sshin}; 7953541Sshin 8062587Sitojun#define ND6_IFF_PERFORMNUD 0x1 81118498Sume#define ND6_IFF_ACCEPT_RTADV 0x2 82238273Shrs#define ND6_IFF_PREFER_SOURCE 0x4 /* Not used in FreeBSD. */ 83151474Ssuz#define ND6_IFF_IFDISABLED 0x8 /* IPv6 operation is disabled due to 84151474Ssuz * DAD failure. (XXX: not ND-specific) 85151474Ssuz */ 86151539Ssuz#define ND6_IFF_DONT_SET_IFROUTE 0x10 87197138Shrs#define ND6_IFF_AUTO_LINKLOCAL 0x20 88222728Shrs#define ND6_IFF_NO_RADR 0x40 89245230Sume#define ND6_IFF_NO_PREFER_IFACE 0x80 /* XXX: not related to ND. */ 90285825Shrs#define ND6_IFF_NO_DAD 0x100 9162587Sitojun 92186119Sqingli#define ND6_CREATE LLE_CREATE 93186119Sqingli#define ND6_EXCLUSIVE LLE_EXCLUSIVE 94186119Sqingli 95121161Sume#ifdef _KERNEL 96121161Sume#define ND_IFINFO(ifp) \ 97121161Sume (((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->nd_ifinfo) 98121161Sume#define IN6_LINKMTU(ifp) \ 99121161Sume ((ND_IFINFO(ifp)->linkmtu && ND_IFINFO(ifp)->linkmtu < (ifp)->if_mtu) \ 100121161Sume ? ND_IFINFO(ifp)->linkmtu \ 101121161Sume : ((ND_IFINFO(ifp)->maxmtu && ND_IFINFO(ifp)->maxmtu < (ifp)->if_mtu) \ 102121161Sume ? ND_IFINFO(ifp)->maxmtu : (ifp)->if_mtu)) 103121161Sume#endif 104121161Sume 10553541Sshinstruct in6_nbrinfo { 10662587Sitojun char ifname[IFNAMSIZ]; /* if name, e.g. "en0" */ 10762587Sitojun struct in6_addr addr; /* IPv6 address of the neighbor */ 10853541Sshin long asked; /* number of queries already sent for this addr */ 10953541Sshin int isrouter; /* if it acts as a router */ 11053541Sshin int state; /* reachability state */ 11153541Sshin int expire; /* lifetime for NDP state transition */ 11253541Sshin}; 11353541Sshin 11462587Sitojun#define DRLSTSIZ 10 11562587Sitojun#define PRLSTSIZ 10 11653541Sshinstruct in6_drlist { 11762587Sitojun char ifname[IFNAMSIZ]; 11853541Sshin struct { 11953541Sshin struct in6_addr rtaddr; 12053541Sshin u_char flags; 12153541Sshin u_short rtlifetime; 12253541Sshin u_long expire; 12362587Sitojun u_short if_index; 12453541Sshin } defrouter[DRLSTSIZ]; 12553541Sshin}; 12653541Sshin 12778064Sumestruct in6_defrouter { 12878064Sume struct sockaddr_in6 rtaddr; 12978064Sume u_char flags; 13078064Sume u_short rtlifetime; 13178064Sume u_long expire; 13278064Sume u_short if_index; 13381369Ssimokawa}; 13478064Sume 135121472Sume#ifdef _KERNEL 136121472Sumestruct in6_oprlist { 137121472Sume char ifname[IFNAMSIZ]; 138121472Sume struct { 139121472Sume struct in6_addr prefix; 140121472Sume struct prf_ra raflags; 141121472Sume u_char prefixlen; 142121472Sume u_char origin; 143121472Sume u_long vltime; 144121472Sume u_long pltime; 145121472Sume u_long expire; 146121472Sume u_short if_index; 147121472Sume u_short advrtrs; /* number of advertisement routers */ 148121472Sume struct in6_addr advrtr[DRLSTSIZ]; /* XXX: explicit limit */ 149121472Sume } prefix[PRLSTSIZ]; 150121472Sume}; 151121472Sume#endif 152121472Sume 15353541Sshinstruct in6_prlist { 15462587Sitojun char ifname[IFNAMSIZ]; 15553541Sshin struct { 15653541Sshin struct in6_addr prefix; 15762587Sitojun struct prf_ra raflags; 15853541Sshin u_char prefixlen; 15962587Sitojun u_char origin; 16095023Ssuz u_int32_t vltime; 16195023Ssuz u_int32_t pltime; 16295023Ssuz time_t expire; 16362587Sitojun u_short if_index; 16462587Sitojun u_short advrtrs; /* number of advertisement routers */ 16553541Sshin struct in6_addr advrtr[DRLSTSIZ]; /* XXX: explicit limit */ 16653541Sshin } prefix[PRLSTSIZ]; 16753541Sshin}; 16853541Sshin 16978064Sumestruct in6_prefix { 17078064Sume struct sockaddr_in6 prefix; 17178064Sume struct prf_ra raflags; 17278064Sume u_char prefixlen; 17378064Sume u_char origin; 174121472Sume u_int32_t vltime; 175121472Sume u_int32_t pltime; 176121472Sume time_t expire; 17778064Sume u_int32_t flags; 17878064Sume int refcnt; 17978064Sume u_short if_index; 18078064Sume u_short advrtrs; /* number of advertisement routers */ 18178064Sume /* struct sockaddr_in6 advrtr[] */ 18281369Ssimokawa}; 18378064Sume 18478064Sume#ifdef _KERNEL 18578064Sumestruct in6_ondireq { 18678064Sume char ifname[IFNAMSIZ]; 18778064Sume struct { 18878064Sume u_int32_t linkmtu; /* LinkMTU */ 18978064Sume u_int32_t maxmtu; /* Upper bound of LinkMTU */ 19078064Sume u_int32_t basereachable; /* BaseReachableTime */ 19178064Sume u_int32_t reachable; /* Reachable Time */ 19278064Sume u_int32_t retrans; /* Retrans Timer */ 19378064Sume u_int32_t flags; /* Flags */ 19478064Sume int recalctm; /* BaseReacable re-calculation timer */ 19578064Sume u_int8_t chlim; /* CurHopLimit */ 19678064Sume u_int8_t receivedra; 19778064Sume } ndi; 19878064Sume}; 19978064Sume#endif 20078064Sume 20153541Sshinstruct in6_ndireq { 20262587Sitojun char ifname[IFNAMSIZ]; 20362587Sitojun struct nd_ifinfo ndi; 20453541Sshin}; 20553541Sshin 20662587Sitojunstruct in6_ndifreq { 20762587Sitojun char ifname[IFNAMSIZ]; 20862587Sitojun u_long ifindex; 20962587Sitojun}; 21062587Sitojun 21178064Sume/* Prefix status */ 21278064Sume#define NDPRF_ONLINK 0x1 21378064Sume#define NDPRF_DETACHED 0x2 21462587Sitojun 21553541Sshin/* protocol constants */ 21695023Ssuz#define MAX_RTR_SOLICITATION_DELAY 1 /* 1sec */ 21795023Ssuz#define RTR_SOLICITATION_INTERVAL 4 /* 4sec */ 21862587Sitojun#define MAX_RTR_SOLICITATIONS 3 21953541Sshin 22062587Sitojun#define ND6_INFINITE_LIFETIME 0xffffffff 22153541Sshin 22253541Sshin#ifdef _KERNEL 22353541Sshin/* node constants */ 22462587Sitojun#define MAX_REACHABLE_TIME 3600000 /* msec */ 22562587Sitojun#define REACHABLE_TIME 30000 /* msec */ 22662587Sitojun#define RETRANS_TIMER 1000 /* msec */ 22762587Sitojun#define MIN_RANDOM_FACTOR 512 /* 1024 * 0.5 */ 22862587Sitojun#define MAX_RANDOM_FACTOR 1536 /* 1024 * 1.5 */ 22978064Sume#define DEF_TEMP_VALID_LIFETIME 604800 /* 1 week */ 23078064Sume#define DEF_TEMP_PREFERRED_LIFETIME 86400 /* 1 day */ 23178064Sume#define TEMPADDR_REGEN_ADVANCE 5 /* sec */ 23278064Sume#define MAX_TEMP_DESYNC_FACTOR 600 /* 10 min */ 23362587Sitojun#define ND_COMPUTE_RTIME(x) \ 234121807Sume (((MIN_RANDOM_FACTOR * (x >> 10)) + (arc4random() & \ 23553541Sshin ((MAX_RANDOM_FACTOR - MIN_RANDOM_FACTOR) * (x >> 10)))) /1000) 23653541Sshin 23762587SitojunTAILQ_HEAD(nd_drhead, nd_defrouter); 238299145Smarkjstruct nd_defrouter { 23962587Sitojun TAILQ_ENTRY(nd_defrouter) dr_entry; 240299145Smarkj struct in6_addr rtaddr; 241299145Smarkj u_char raflags; /* flags on RA message */ 24253541Sshin u_short rtlifetime; 24353541Sshin u_long expire; 244299145Smarkj struct ifnet *ifp; 245151539Ssuz int installed; /* is installed into kernel routing table */ 246303458Ssbruno u_int refcnt; 24753541Sshin}; 24853541Sshin 249151539Ssuzstruct nd_prefixctl { 250151539Ssuz struct ifnet *ndpr_ifp; 251151539Ssuz 252151539Ssuz /* prefix */ 253151539Ssuz struct sockaddr_in6 ndpr_prefix; 254151539Ssuz u_char ndpr_plen; 255151539Ssuz 256151539Ssuz u_int32_t ndpr_vltime; /* advertised valid lifetime */ 257151539Ssuz u_int32_t ndpr_pltime; /* advertised preferred lifetime */ 258151539Ssuz 259151539Ssuz struct prf_ra ndpr_flags; 260151539Ssuz}; 261151539Ssuz 262151539Ssuz 26353541Sshinstruct nd_prefix { 26462587Sitojun struct ifnet *ndpr_ifp; 26560938Sjake LIST_ENTRY(nd_prefix) ndpr_entry; 26662587Sitojun struct sockaddr_in6 ndpr_prefix; /* prefix */ 26762587Sitojun struct in6_addr ndpr_mask; /* netmask derived from the prefix */ 268151539Ssuz 26962587Sitojun u_int32_t ndpr_vltime; /* advertised valid lifetime */ 27062587Sitojun u_int32_t ndpr_pltime; /* advertised preferred lifetime */ 271151539Ssuz 27262587Sitojun time_t ndpr_expire; /* expiration time of the prefix */ 27362587Sitojun time_t ndpr_preferred; /* preferred time of the prefix */ 274151539Ssuz time_t ndpr_lastupdate; /* reception time of last advertisement */ 275151539Ssuz 27662587Sitojun struct prf_ra ndpr_flags; 27778064Sume u_int32_t ndpr_stateflags; /* actual state flags */ 27853541Sshin /* list of routers that advertise the prefix: */ 27960938Sjake LIST_HEAD(pr_rtrhead, nd_pfxrouter) ndpr_advrtrs; 28053541Sshin u_char ndpr_plen; 28178064Sume int ndpr_refcnt; /* reference couter from addresses */ 28253541Sshin}; 28353541Sshin 28462587Sitojun#define ndpr_raf ndpr_flags 28562587Sitojun#define ndpr_raf_onlink ndpr_flags.onlink 28662587Sitojun#define ndpr_raf_auto ndpr_flags.autonomous 287151539Ssuz#define ndpr_raf_router ndpr_flags.router 28853541Sshin 28953541Sshin/* 29053541Sshin * Message format for use in obtaining information about prefixes 29153541Sshin * from inet6 sysctl function 29253541Sshin */ 29353541Sshinstruct inet6_ndpr_msghdr { 29453541Sshin u_short inpm_msglen; /* to skip over non-understood messages */ 29572093Sasmodai u_char inpm_version; /* future binary compatibility */ 29653541Sshin u_char inpm_type; /* message type */ 29762587Sitojun struct in6_addr inpm_prefix; 29853541Sshin u_long prm_vltim; 29953541Sshin u_long prm_pltime; 30053541Sshin u_long prm_expire; 30153541Sshin u_long prm_preferred; 30262587Sitojun struct in6_prflags prm_flags; 30353541Sshin u_short prm_index; /* index for associated ifp */ 30453541Sshin u_char prm_plen; /* length of prefix in bits */ 30553541Sshin}; 30653541Sshin 30762587Sitojun#define prm_raf_onlink prm_flags.prf_ra.onlink 30862587Sitojun#define prm_raf_auto prm_flags.prf_ra.autonomous 30953541Sshin 31062587Sitojun#define prm_statef_onlink prm_flags.prf_state.onlink 31153541Sshin 31262587Sitojun#define prm_rrf_decrvalid prm_flags.prf_rr.decrvalid 31362587Sitojun#define prm_rrf_decrprefd prm_flags.prf_rr.decrprefd 31453541Sshin 31553541Sshinstruct nd_pfxrouter { 31660938Sjake LIST_ENTRY(nd_pfxrouter) pfr_entry; 31762587Sitojun struct nd_defrouter *router; 31853541Sshin}; 31953541Sshin 32060938SjakeLIST_HEAD(nd_prhead, nd_prefix); 32153541Sshin 32253541Sshin/* nd6.c */ 323195699SrwatsonVNET_DECLARE(int, nd6_prune); 324195699SrwatsonVNET_DECLARE(int, nd6_delay); 325195699SrwatsonVNET_DECLARE(int, nd6_umaxtries); 326195699SrwatsonVNET_DECLARE(int, nd6_mmaxtries); 327195699SrwatsonVNET_DECLARE(int, nd6_useloopback); 328195699SrwatsonVNET_DECLARE(int, nd6_maxnudhint); 329195699SrwatsonVNET_DECLARE(int, nd6_gctimer); 330195699SrwatsonVNET_DECLARE(struct nd_drhead, nd_defrouter); 331195699SrwatsonVNET_DECLARE(struct nd_prhead, nd_prefix); 332195699SrwatsonVNET_DECLARE(int, nd6_debug); 333195699SrwatsonVNET_DECLARE(int, nd6_onlink_ns_rfc4861); 334195727Srwatson#define V_nd6_prune VNET(nd6_prune) 335195727Srwatson#define V_nd6_delay VNET(nd6_delay) 336195727Srwatson#define V_nd6_umaxtries VNET(nd6_umaxtries) 337195727Srwatson#define V_nd6_mmaxtries VNET(nd6_mmaxtries) 338195727Srwatson#define V_nd6_useloopback VNET(nd6_useloopback) 339195727Srwatson#define V_nd6_maxnudhint VNET(nd6_maxnudhint) 340195727Srwatson#define V_nd6_gctimer VNET(nd6_gctimer) 341195727Srwatson#define V_nd_defrouter VNET(nd_defrouter) 342195727Srwatson#define V_nd_prefix VNET(nd_prefix) 343195727Srwatson#define V_nd6_debug VNET(nd6_debug) 344195727Srwatson#define V_nd6_onlink_ns_rfc4861 VNET(nd6_onlink_ns_rfc4861) 345207369Sbz 346303458Ssbruno/* Lock for the prefix and default router lists. */ 347303458SsbrunoVNET_DECLARE(struct rwlock, nd6_lock); 348303458Ssbruno#define V_nd6_lock VNET(nd6_lock) 349303458Ssbruno 350303458Ssbruno#define ND6_RLOCK() rw_rlock(&V_nd6_lock) 351303458Ssbruno#define ND6_RUNLOCK() rw_runlock(&V_nd6_lock) 352303458Ssbruno#define ND6_WLOCK() rw_wlock(&V_nd6_lock) 353303458Ssbruno#define ND6_WUNLOCK() rw_wunlock(&V_nd6_lock) 354303458Ssbruno#define ND6_WLOCK_ASSERT() rw_assert(&V_nd6_lock, RA_WLOCKED) 355303458Ssbruno#define ND6_RLOCK_ASSERT() rw_assert(&V_nd6_lock, RA_RLOCKED) 356303458Ssbruno#define ND6_LOCK_ASSERT() rw_assert(&V_nd6_lock, RA_LOCKED) 357303458Ssbruno#define ND6_UNLOCK_ASSERT() rw_assert(&V_nd6_lock, RA_UNLOCKED) 358303458Ssbruno 359207369Sbz#define nd6log(x) do { if (V_nd6_debug) log x; } while (/*CONSTCOND*/ 0) 360207369Sbz 361207369SbzVNET_DECLARE(struct callout, nd6_timer_ch); 362195727Srwatson#define V_nd6_timer_ch VNET(nd6_timer_ch) 36378064Sume 36462587Sitojun/* nd6_rtr.c */ 365195699SrwatsonVNET_DECLARE(int, nd6_defifindex); 366195699SrwatsonVNET_DECLARE(int, ip6_desync_factor); /* seconds */ 367195699SrwatsonVNET_DECLARE(u_int32_t, ip6_temp_preferred_lifetime); /* seconds */ 368195699SrwatsonVNET_DECLARE(u_int32_t, ip6_temp_valid_lifetime); /* seconds */ 369195699SrwatsonVNET_DECLARE(int, ip6_temp_regen_advance); /* seconds */ 370195727Srwatson#define V_nd6_defifindex VNET(nd6_defifindex) 371195727Srwatson#define V_ip6_desync_factor VNET(ip6_desync_factor) 372195727Srwatson#define V_ip6_temp_preferred_lifetime VNET(ip6_temp_preferred_lifetime) 373195727Srwatson#define V_ip6_temp_valid_lifetime VNET(ip6_temp_valid_lifetime) 374195727Srwatson#define V_ip6_temp_regen_advance VNET(ip6_temp_regen_advance) 375195699Srwatson 37653541Sshinunion nd_opts { 377282622Shiren struct nd_opt_hdr *nd_opt_array[16]; /* max = ND_OPT_NONCE */ 37853541Sshin struct { 37962587Sitojun struct nd_opt_hdr *zero; 38062587Sitojun struct nd_opt_hdr *src_lladdr; 38162587Sitojun struct nd_opt_hdr *tgt_lladdr; 38295023Ssuz struct nd_opt_prefix_info *pi_beg; /* multiple opts, start */ 38362587Sitojun struct nd_opt_rd_hdr *rh; 38462587Sitojun struct nd_opt_mtu *mtu; 385282622Shiren struct nd_opt_hdr *__res6; 386282622Shiren struct nd_opt_hdr *__res7; 387282622Shiren struct nd_opt_hdr *__res8; 388282622Shiren struct nd_opt_hdr *__res9; 389282622Shiren struct nd_opt_hdr *__res10; 390282622Shiren struct nd_opt_hdr *__res11; 391282622Shiren struct nd_opt_hdr *__res12; 392282622Shiren struct nd_opt_hdr *__res13; 393282622Shiren struct nd_opt_nonce *nonce; 394282622Shiren struct nd_opt_hdr *__res15; 39562587Sitojun struct nd_opt_hdr *search; /* multiple opts */ 39662587Sitojun struct nd_opt_hdr *last; /* multiple opts */ 39762587Sitojun int done; 39862587Sitojun struct nd_opt_prefix_info *pi_end;/* multiple opts, end */ 39953541Sshin } nd_opt_each; 40053541Sshin}; 40162587Sitojun#define nd_opts_src_lladdr nd_opt_each.src_lladdr 40262587Sitojun#define nd_opts_tgt_lladdr nd_opt_each.tgt_lladdr 40362587Sitojun#define nd_opts_pi nd_opt_each.pi_beg 40462587Sitojun#define nd_opts_pi_end nd_opt_each.pi_end 40562587Sitojun#define nd_opts_rh nd_opt_each.rh 40662587Sitojun#define nd_opts_mtu nd_opt_each.mtu 407282622Shiren#define nd_opts_nonce nd_opt_each.nonce 40862587Sitojun#define nd_opts_search nd_opt_each.search 40962587Sitojun#define nd_opts_last nd_opt_each.last 41062587Sitojun#define nd_opts_done nd_opt_each.done 41153541Sshin 41253541Sshin/* XXX: need nd6_var.h?? */ 41353541Sshin/* nd6.c */ 414241916Sdelphijvoid nd6_init(void); 415193731Szec#ifdef VIMAGE 416241916Sdelphijvoid nd6_destroy(void); 417193731Szec#endif 418241916Sdelphijstruct nd_ifinfo *nd6_ifattach(struct ifnet *); 419241916Sdelphijvoid nd6_ifdetach(struct nd_ifinfo *); 420241916Sdelphijint nd6_is_addr_neighbor(struct sockaddr_in6 *, struct ifnet *); 421241916Sdelphijvoid nd6_option_init(void *, int, union nd_opts *); 422241916Sdelphijstruct nd_opt_hdr *nd6_option(union nd_opts *); 423241916Sdelphijint nd6_options(union nd_opts *); 424241916Sdelphijstruct llentry *nd6_lookup(struct in6_addr *, int, struct ifnet *); 425241916Sdelphijvoid nd6_setmtu(struct ifnet *); 426241916Sdelphijvoid nd6_llinfo_settimer(struct llentry *, long); 427241916Sdelphijvoid nd6_llinfo_settimer_locked(struct llentry *, long); 428241916Sdelphijvoid nd6_timer(void *); 429241916Sdelphijvoid nd6_purge(struct ifnet *); 430241916Sdelphijvoid nd6_nud_hint(struct rtentry *, struct in6_addr *, int); 431241916Sdelphijint nd6_resolve(struct ifnet *, struct rtentry *, struct mbuf *, 432241916Sdelphij struct sockaddr *, u_char *); 433241916Sdelphijvoid nd6_rtrequest(int, struct rtentry *, struct rt_addrinfo *); 434241916Sdelphijint nd6_ioctl(u_long, caddr_t, struct ifnet *); 435241916Sdelphijstruct llentry *nd6_cache_lladdr(struct ifnet *, struct in6_addr *, 436241916Sdelphij char *, int, int, int); 437241916Sdelphijint nd6_output(struct ifnet *, struct ifnet *, struct mbuf *, 438241916Sdelphij struct sockaddr_in6 *, struct rtentry *); 439282622Shirenvoid nd6_grab_holdchain(struct llentry *, struct mbuf **, 440282622Shiren struct sockaddr_in6 *); 441282622Shirenint nd6_flush_holdchain(struct ifnet *, struct ifnet *, struct mbuf *, 442282622Shiren struct sockaddr_in6 *); 443241916Sdelphijint nd6_need_cache(struct ifnet *); 444241916Sdelphijint nd6_storelladdr(struct ifnet *, struct mbuf *, 445249925Sglebius const struct sockaddr *, u_char *, struct llentry **); 44653541Sshin 44753541Sshin/* nd6_nbr.c */ 448241916Sdelphijvoid nd6_na_input(struct mbuf *, int, int); 449241916Sdelphijvoid nd6_na_output(struct ifnet *, const struct in6_addr *, 450241916Sdelphij const struct in6_addr *, u_long, int, struct sockaddr *); 451241916Sdelphijvoid nd6_ns_input(struct mbuf *, int, int); 452241916Sdelphijvoid nd6_ns_output(struct ifnet *, const struct in6_addr *, 453282622Shiren const struct in6_addr *, struct llentry *, uint8_t *); 454241916Sdelphijcaddr_t nd6_ifptomac(struct ifnet *); 455282622Shirenvoid nd6_dad_init(void); 456241916Sdelphijvoid nd6_dad_start(struct ifaddr *, int); 457241916Sdelphijvoid nd6_dad_stop(struct ifaddr *); 45853541Sshin 45953541Sshin/* nd6_rtr.c */ 460241916Sdelphijvoid nd6_rs_input(struct mbuf *, int, int); 461241916Sdelphijvoid nd6_ra_input(struct mbuf *, int, int); 462241916Sdelphijvoid defrouter_reset(void); 463241916Sdelphijvoid defrouter_select(void); 464303458Ssbrunovoid defrouter_ref(struct nd_defrouter *); 465303458Ssbrunovoid defrouter_rele(struct nd_defrouter *); 466303458Ssbrunobool defrouter_remove(struct in6_addr *, struct ifnet *); 467303458Ssbrunovoid defrouter_unlink(struct nd_defrouter *, struct nd_drhead *); 468303458Ssbrunovoid defrouter_del(struct nd_defrouter *); 469241916Sdelphijvoid prelist_remove(struct nd_prefix *); 470241916Sdelphijint nd6_prelist_add(struct nd_prefixctl *, struct nd_defrouter *, 471241916Sdelphij struct nd_prefix **); 472241916Sdelphijvoid pfxlist_onlink_check(void); 473241916Sdelphijstruct nd_defrouter *defrouter_lookup(struct in6_addr *, struct ifnet *); 474303458Ssbrunostruct nd_defrouter *defrouter_lookup_locked(struct in6_addr *, struct ifnet *); 475241916Sdelphijstruct nd_prefix *nd6_prefix_lookup(struct nd_prefixctl *); 476241916Sdelphijvoid rt6_flush(struct in6_addr *, struct ifnet *); 477241916Sdelphijint nd6_setdefaultiface(int); 478241916Sdelphijint in6_tmpifadd(const struct in6_ifaddr *, int, int); 47953541Sshin 48053541Sshin#endif /* _KERNEL */ 48153541Sshin 48253541Sshin#endif /* _NETINET6_ND6_H_ */ 483