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: stable/11/sys/netinet6/nd6.h 317067 2017-04-17 20:13:20Z asomers $ 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. */ 90282805Shrs#define ND6_IFF_NO_DAD 0x100 9162587Sitojun 92121161Sume#ifdef _KERNEL 93121161Sume#define ND_IFINFO(ifp) \ 94121161Sume (((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->nd_ifinfo) 95121161Sume#define IN6_LINKMTU(ifp) \ 96121161Sume ((ND_IFINFO(ifp)->linkmtu && ND_IFINFO(ifp)->linkmtu < (ifp)->if_mtu) \ 97121161Sume ? ND_IFINFO(ifp)->linkmtu \ 98121161Sume : ((ND_IFINFO(ifp)->maxmtu && ND_IFINFO(ifp)->maxmtu < (ifp)->if_mtu) \ 99121161Sume ? ND_IFINFO(ifp)->maxmtu : (ifp)->if_mtu)) 100121161Sume#endif 101121161Sume 10253541Sshinstruct in6_nbrinfo { 10362587Sitojun char ifname[IFNAMSIZ]; /* if name, e.g. "en0" */ 10462587Sitojun struct in6_addr addr; /* IPv6 address of the neighbor */ 10553541Sshin long asked; /* number of queries already sent for this addr */ 10653541Sshin int isrouter; /* if it acts as a router */ 10753541Sshin int state; /* reachability state */ 10853541Sshin int expire; /* lifetime for NDP state transition */ 10953541Sshin}; 11053541Sshin 11162587Sitojun#define DRLSTSIZ 10 11262587Sitojun#define PRLSTSIZ 10 11353541Sshinstruct in6_drlist { 11462587Sitojun char ifname[IFNAMSIZ]; 11553541Sshin struct { 11653541Sshin struct in6_addr rtaddr; 11753541Sshin u_char flags; 11853541Sshin u_short rtlifetime; 11953541Sshin u_long expire; 12062587Sitojun u_short if_index; 12153541Sshin } defrouter[DRLSTSIZ]; 12253541Sshin}; 12353541Sshin 12478064Sumestruct in6_defrouter { 12578064Sume struct sockaddr_in6 rtaddr; 12678064Sume u_char flags; 12778064Sume u_short rtlifetime; 12878064Sume u_long expire; 12978064Sume u_short if_index; 13081369Ssimokawa}; 13178064Sume 132121472Sume#ifdef _KERNEL 133121472Sumestruct in6_oprlist { 134121472Sume char ifname[IFNAMSIZ]; 135121472Sume struct { 136121472Sume struct in6_addr prefix; 137121472Sume struct prf_ra raflags; 138121472Sume u_char prefixlen; 139121472Sume u_char origin; 140121472Sume u_long vltime; 141121472Sume u_long pltime; 142121472Sume u_long expire; 143121472Sume u_short if_index; 144121472Sume u_short advrtrs; /* number of advertisement routers */ 145121472Sume struct in6_addr advrtr[DRLSTSIZ]; /* XXX: explicit limit */ 146121472Sume } prefix[PRLSTSIZ]; 147121472Sume}; 148121472Sume#endif 149121472Sume 15053541Sshinstruct in6_prlist { 15162587Sitojun char ifname[IFNAMSIZ]; 15253541Sshin struct { 15353541Sshin struct in6_addr prefix; 15462587Sitojun struct prf_ra raflags; 15553541Sshin u_char prefixlen; 15662587Sitojun u_char origin; 15795023Ssuz u_int32_t vltime; 15895023Ssuz u_int32_t pltime; 15995023Ssuz time_t expire; 16062587Sitojun u_short if_index; 16162587Sitojun u_short advrtrs; /* number of advertisement routers */ 16253541Sshin struct in6_addr advrtr[DRLSTSIZ]; /* XXX: explicit limit */ 16353541Sshin } prefix[PRLSTSIZ]; 16453541Sshin}; 16553541Sshin 16678064Sumestruct in6_prefix { 16778064Sume struct sockaddr_in6 prefix; 16878064Sume struct prf_ra raflags; 16978064Sume u_char prefixlen; 17078064Sume u_char origin; 171121472Sume u_int32_t vltime; 172121472Sume u_int32_t pltime; 173121472Sume time_t expire; 17478064Sume u_int32_t flags; 17578064Sume int refcnt; 17678064Sume u_short if_index; 17778064Sume u_short advrtrs; /* number of advertisement routers */ 17878064Sume /* struct sockaddr_in6 advrtr[] */ 17981369Ssimokawa}; 18078064Sume 18178064Sume#ifdef _KERNEL 18278064Sumestruct in6_ondireq { 18378064Sume char ifname[IFNAMSIZ]; 18478064Sume struct { 18578064Sume u_int32_t linkmtu; /* LinkMTU */ 18678064Sume u_int32_t maxmtu; /* Upper bound of LinkMTU */ 18778064Sume u_int32_t basereachable; /* BaseReachableTime */ 18878064Sume u_int32_t reachable; /* Reachable Time */ 18978064Sume u_int32_t retrans; /* Retrans Timer */ 19078064Sume u_int32_t flags; /* Flags */ 19178064Sume int recalctm; /* BaseReacable re-calculation timer */ 19278064Sume u_int8_t chlim; /* CurHopLimit */ 19378064Sume u_int8_t receivedra; 19478064Sume } ndi; 19578064Sume}; 19678064Sume#endif 19778064Sume 19853541Sshinstruct in6_ndireq { 19962587Sitojun char ifname[IFNAMSIZ]; 20062587Sitojun struct nd_ifinfo ndi; 20153541Sshin}; 20253541Sshin 20362587Sitojunstruct in6_ndifreq { 20462587Sitojun char ifname[IFNAMSIZ]; 20562587Sitojun u_long ifindex; 20662587Sitojun}; 20762587Sitojun 20878064Sume/* Prefix status */ 20978064Sume#define NDPRF_ONLINK 0x1 21078064Sume#define NDPRF_DETACHED 0x2 21162587Sitojun 21253541Sshin/* protocol constants */ 21395023Ssuz#define MAX_RTR_SOLICITATION_DELAY 1 /* 1sec */ 21495023Ssuz#define RTR_SOLICITATION_INTERVAL 4 /* 4sec */ 21562587Sitojun#define MAX_RTR_SOLICITATIONS 3 21653541Sshin 21762587Sitojun#define ND6_INFINITE_LIFETIME 0xffffffff 21853541Sshin 21953541Sshin#ifdef _KERNEL 22053541Sshin/* node constants */ 22162587Sitojun#define MAX_REACHABLE_TIME 3600000 /* msec */ 22262587Sitojun#define REACHABLE_TIME 30000 /* msec */ 22362587Sitojun#define RETRANS_TIMER 1000 /* msec */ 22462587Sitojun#define MIN_RANDOM_FACTOR 512 /* 1024 * 0.5 */ 22562587Sitojun#define MAX_RANDOM_FACTOR 1536 /* 1024 * 1.5 */ 22678064Sume#define DEF_TEMP_VALID_LIFETIME 604800 /* 1 week */ 22778064Sume#define DEF_TEMP_PREFERRED_LIFETIME 86400 /* 1 day */ 22878064Sume#define TEMPADDR_REGEN_ADVANCE 5 /* sec */ 22978064Sume#define MAX_TEMP_DESYNC_FACTOR 600 /* 10 min */ 23062587Sitojun#define ND_COMPUTE_RTIME(x) \ 231121807Sume (((MIN_RANDOM_FACTOR * (x >> 10)) + (arc4random() & \ 23253541Sshin ((MAX_RANDOM_FACTOR - MIN_RANDOM_FACTOR) * (x >> 10)))) /1000) 23353541Sshin 23462587SitojunTAILQ_HEAD(nd_drhead, nd_defrouter); 235295583Smarkjstruct nd_defrouter { 23662587Sitojun TAILQ_ENTRY(nd_defrouter) dr_entry; 237295583Smarkj struct in6_addr rtaddr; 238295583Smarkj u_char raflags; /* flags on RA message */ 23953541Sshin u_short rtlifetime; 24053541Sshin u_long expire; 241295583Smarkj struct ifnet *ifp; 242151539Ssuz int installed; /* is installed into kernel routing table */ 243296063Smarkj u_int refcnt; 24453541Sshin}; 24553541Sshin 246151539Ssuzstruct nd_prefixctl { 247151539Ssuz struct ifnet *ndpr_ifp; 248151539Ssuz 249151539Ssuz /* prefix */ 250151539Ssuz struct sockaddr_in6 ndpr_prefix; 251151539Ssuz u_char ndpr_plen; 252151539Ssuz 253151539Ssuz u_int32_t ndpr_vltime; /* advertised valid lifetime */ 254151539Ssuz u_int32_t ndpr_pltime; /* advertised preferred lifetime */ 255151539Ssuz 256151539Ssuz struct prf_ra ndpr_flags; 257151539Ssuz}; 258151539Ssuz 259316714SmarkjLIST_HEAD(nd_prhead, nd_prefix); 26053541Sshinstruct nd_prefix { 26162587Sitojun struct ifnet *ndpr_ifp; 26260938Sjake LIST_ENTRY(nd_prefix) ndpr_entry; 26362587Sitojun struct sockaddr_in6 ndpr_prefix; /* prefix */ 26462587Sitojun struct in6_addr ndpr_mask; /* netmask derived from the prefix */ 265151539Ssuz 26662587Sitojun u_int32_t ndpr_vltime; /* advertised valid lifetime */ 26762587Sitojun u_int32_t ndpr_pltime; /* advertised preferred lifetime */ 268151539Ssuz 26962587Sitojun time_t ndpr_expire; /* expiration time of the prefix */ 27062587Sitojun time_t ndpr_preferred; /* preferred time of the prefix */ 271151539Ssuz time_t ndpr_lastupdate; /* reception time of last advertisement */ 272151539Ssuz 27362587Sitojun struct prf_ra ndpr_flags; 27478064Sume u_int32_t ndpr_stateflags; /* actual state flags */ 27553541Sshin /* list of routers that advertise the prefix: */ 27660938Sjake LIST_HEAD(pr_rtrhead, nd_pfxrouter) ndpr_advrtrs; 27753541Sshin u_char ndpr_plen; 278306573Smarkj int ndpr_addrcnt; /* count of derived addresses */ 279316714Smarkj volatile u_int ndpr_refcnt; 28053541Sshin}; 28153541Sshin 28262587Sitojun#define ndpr_raf ndpr_flags 28362587Sitojun#define ndpr_raf_onlink ndpr_flags.onlink 28462587Sitojun#define ndpr_raf_auto ndpr_flags.autonomous 285151539Ssuz#define ndpr_raf_router ndpr_flags.router 28653541Sshin 28753541Sshin/* 28853541Sshin * Message format for use in obtaining information about prefixes 28953541Sshin * from inet6 sysctl function 29053541Sshin */ 29153541Sshinstruct inet6_ndpr_msghdr { 29253541Sshin u_short inpm_msglen; /* to skip over non-understood messages */ 29372093Sasmodai u_char inpm_version; /* future binary compatibility */ 29453541Sshin u_char inpm_type; /* message type */ 29562587Sitojun struct in6_addr inpm_prefix; 29653541Sshin u_long prm_vltim; 29753541Sshin u_long prm_pltime; 29853541Sshin u_long prm_expire; 29953541Sshin u_long prm_preferred; 30062587Sitojun struct in6_prflags prm_flags; 30153541Sshin u_short prm_index; /* index for associated ifp */ 30253541Sshin u_char prm_plen; /* length of prefix in bits */ 30353541Sshin}; 30453541Sshin 30562587Sitojun#define prm_raf_onlink prm_flags.prf_ra.onlink 30662587Sitojun#define prm_raf_auto prm_flags.prf_ra.autonomous 30753541Sshin 30862587Sitojun#define prm_statef_onlink prm_flags.prf_state.onlink 30953541Sshin 31062587Sitojun#define prm_rrf_decrvalid prm_flags.prf_rr.decrvalid 31162587Sitojun#define prm_rrf_decrprefd prm_flags.prf_rr.decrprefd 31253541Sshin 31353541Sshinstruct nd_pfxrouter { 31460938Sjake LIST_ENTRY(nd_pfxrouter) pfr_entry; 31562587Sitojun struct nd_defrouter *router; 31653541Sshin}; 31753541Sshin 318300262Smarkj#ifdef MALLOC_DECLARE 319300262SmarkjMALLOC_DECLARE(M_IP6NDP); 320300262Smarkj#endif 321300262Smarkj 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 346296063Smarkj/* Lock for the prefix and default router lists. */ 347296063SmarkjVNET_DECLARE(struct rwlock, nd6_lock); 348316714SmarkjVNET_DECLARE(uint64_t, nd6_list_genid); 349296063Smarkj#define V_nd6_lock VNET(nd6_lock) 350316714Smarkj#define V_nd6_list_genid VNET(nd6_list_genid) 351296063Smarkj 352296063Smarkj#define ND6_RLOCK() rw_rlock(&V_nd6_lock) 353296063Smarkj#define ND6_RUNLOCK() rw_runlock(&V_nd6_lock) 354296063Smarkj#define ND6_WLOCK() rw_wlock(&V_nd6_lock) 355296063Smarkj#define ND6_WUNLOCK() rw_wunlock(&V_nd6_lock) 356316714Smarkj#define ND6_TRY_UPGRADE() rw_try_upgrade(&V_nd6_lock) 357296063Smarkj#define ND6_WLOCK_ASSERT() rw_assert(&V_nd6_lock, RA_WLOCKED) 358296063Smarkj#define ND6_RLOCK_ASSERT() rw_assert(&V_nd6_lock, RA_RLOCKED) 359296063Smarkj#define ND6_LOCK_ASSERT() rw_assert(&V_nd6_lock, RA_LOCKED) 360296063Smarkj#define ND6_UNLOCK_ASSERT() rw_assert(&V_nd6_lock, RA_UNLOCKED) 361296063Smarkj 362316714Smarkj/* Mutex for prefix onlink/offlink transitions. */ 363316714SmarkjVNET_DECLARE(struct mtx, nd6_onlink_mtx); 364316714Smarkj#define V_nd6_onlink_mtx VNET(nd6_onlink_mtx) 365316714Smarkj 366316714Smarkj#define ND6_ONLINK_LOCK() mtx_lock(&V_nd6_onlink_mtx) 367316714Smarkj#define ND6_ONLINK_TRYLOCK() mtx_trylock(&V_nd6_onlink_mtx) 368316714Smarkj#define ND6_ONLINK_UNLOCK() mtx_unlock(&V_nd6_onlink_mtx) 369316714Smarkj#define ND6_ONLINK_LOCK_ASSERT() mtx_assert(&V_nd6_onlink_mtx, MA_OWNED) 370316714Smarkj#define ND6_ONLINK_UNLOCK_ASSERT() mtx_assert(&V_nd6_onlink_mtx, MA_NOTOWNED) 371316714Smarkj 372207369Sbz#define nd6log(x) do { if (V_nd6_debug) log x; } while (/*CONSTCOND*/ 0) 373207369Sbz 37462587Sitojun/* nd6_rtr.c */ 375195699SrwatsonVNET_DECLARE(int, nd6_defifindex); 376195699SrwatsonVNET_DECLARE(int, ip6_desync_factor); /* seconds */ 377195699SrwatsonVNET_DECLARE(u_int32_t, ip6_temp_preferred_lifetime); /* seconds */ 378195699SrwatsonVNET_DECLARE(u_int32_t, ip6_temp_valid_lifetime); /* seconds */ 379195699SrwatsonVNET_DECLARE(int, ip6_temp_regen_advance); /* seconds */ 380195727Srwatson#define V_nd6_defifindex VNET(nd6_defifindex) 381195727Srwatson#define V_ip6_desync_factor VNET(ip6_desync_factor) 382195727Srwatson#define V_ip6_temp_preferred_lifetime VNET(ip6_temp_preferred_lifetime) 383195727Srwatson#define V_ip6_temp_valid_lifetime VNET(ip6_temp_valid_lifetime) 384195727Srwatson#define V_ip6_temp_regen_advance VNET(ip6_temp_regen_advance) 385195699Srwatson 38653541Sshinunion nd_opts { 387279531Shrs struct nd_opt_hdr *nd_opt_array[16]; /* max = ND_OPT_NONCE */ 38853541Sshin struct { 38962587Sitojun struct nd_opt_hdr *zero; 39062587Sitojun struct nd_opt_hdr *src_lladdr; 39162587Sitojun struct nd_opt_hdr *tgt_lladdr; 39295023Ssuz struct nd_opt_prefix_info *pi_beg; /* multiple opts, start */ 39362587Sitojun struct nd_opt_rd_hdr *rh; 39462587Sitojun struct nd_opt_mtu *mtu; 395279531Shrs struct nd_opt_hdr *__res6; 396279531Shrs struct nd_opt_hdr *__res7; 397279531Shrs struct nd_opt_hdr *__res8; 398279531Shrs struct nd_opt_hdr *__res9; 399279531Shrs struct nd_opt_hdr *__res10; 400279531Shrs struct nd_opt_hdr *__res11; 401279531Shrs struct nd_opt_hdr *__res12; 402279531Shrs struct nd_opt_hdr *__res13; 403279531Shrs struct nd_opt_nonce *nonce; 404279531Shrs struct nd_opt_hdr *__res15; 40562587Sitojun struct nd_opt_hdr *search; /* multiple opts */ 40662587Sitojun struct nd_opt_hdr *last; /* multiple opts */ 40762587Sitojun int done; 40862587Sitojun struct nd_opt_prefix_info *pi_end;/* multiple opts, end */ 40953541Sshin } nd_opt_each; 41053541Sshin}; 41162587Sitojun#define nd_opts_src_lladdr nd_opt_each.src_lladdr 41262587Sitojun#define nd_opts_tgt_lladdr nd_opt_each.tgt_lladdr 41362587Sitojun#define nd_opts_pi nd_opt_each.pi_beg 41462587Sitojun#define nd_opts_pi_end nd_opt_each.pi_end 41562587Sitojun#define nd_opts_rh nd_opt_each.rh 41662587Sitojun#define nd_opts_mtu nd_opt_each.mtu 417279531Shrs#define nd_opts_nonce nd_opt_each.nonce 41862587Sitojun#define nd_opts_search nd_opt_each.search 41962587Sitojun#define nd_opts_last nd_opt_each.last 42062587Sitojun#define nd_opts_done nd_opt_each.done 42153541Sshin 42253541Sshin/* XXX: need nd6_var.h?? */ 42353541Sshin/* nd6.c */ 424241916Sdelphijvoid nd6_init(void); 425193731Szec#ifdef VIMAGE 426241916Sdelphijvoid nd6_destroy(void); 427193731Szec#endif 428241916Sdelphijstruct nd_ifinfo *nd6_ifattach(struct ifnet *); 429302054Sbzvoid nd6_ifdetach(struct ifnet *, struct nd_ifinfo *); 430287857Smelifaroint nd6_is_addr_neighbor(const struct sockaddr_in6 *, struct ifnet *); 431241916Sdelphijvoid nd6_option_init(void *, int, union nd_opts *); 432241916Sdelphijstruct nd_opt_hdr *nd6_option(union nd_opts *); 433241916Sdelphijint nd6_options(union nd_opts *); 434287857Smelifarostruct llentry *nd6_lookup(const struct in6_addr *, int, struct ifnet *); 435287857Smelifarostruct llentry *nd6_alloc(const struct in6_addr *, int, struct ifnet *); 436241916Sdelphijvoid nd6_setmtu(struct ifnet *); 437288062Smelifarovoid nd6_llinfo_setstate(struct llentry *lle, int newstate); 438241916Sdelphijvoid nd6_timer(void *); 439241916Sdelphijvoid nd6_purge(struct ifnet *); 440292978Smelifaroint nd6_resolve_addr(struct ifnet *ifp, int flags, const struct sockaddr *dst, 441292978Smelifaro char *desten, uint32_t *pflags); 442287861Smelifaroint nd6_resolve(struct ifnet *, int, struct mbuf *, 443301217Sgnn const struct sockaddr *, u_char *, uint32_t *, struct llentry **); 444241916Sdelphijint nd6_ioctl(u_long, caddr_t, struct ifnet *); 445287826Smelifarovoid nd6_cache_lladdr(struct ifnet *, struct in6_addr *, 446241916Sdelphij char *, int, int, int); 447276844Smelifarovoid nd6_grab_holdchain(struct llentry *, struct mbuf **, 448276844Smelifaro struct sockaddr_in6 *); 449276844Smelifaroint nd6_flush_holdchain(struct ifnet *, struct ifnet *, struct mbuf *, 450276844Smelifaro struct sockaddr_in6 *); 451260882Smelifaroint nd6_add_ifa_lle(struct in6_ifaddr *); 452287789Smelifarovoid nd6_rem_ifa_lle(struct in6_ifaddr *, int); 453287861Smelifaroint nd6_output_ifp(struct ifnet *, struct ifnet *, struct mbuf *, 454290867Smelifaro struct sockaddr_in6 *, struct route *); 45553541Sshin 45653541Sshin/* nd6_nbr.c */ 457241916Sdelphijvoid nd6_na_input(struct mbuf *, int, int); 458241916Sdelphijvoid nd6_na_output(struct ifnet *, const struct in6_addr *, 459241916Sdelphij const struct in6_addr *, u_long, int, struct sockaddr *); 460241916Sdelphijvoid nd6_ns_input(struct mbuf *, int, int); 461241916Sdelphijvoid nd6_ns_output(struct ifnet *, const struct in6_addr *, 462287484Smelifaro const struct in6_addr *, const struct in6_addr *, uint8_t *); 463241916Sdelphijcaddr_t nd6_ifptomac(struct ifnet *); 464275593Smarkjvoid nd6_dad_init(void); 465241916Sdelphijvoid nd6_dad_start(struct ifaddr *, int); 466241916Sdelphijvoid nd6_dad_stop(struct ifaddr *); 46753541Sshin 46853541Sshin/* nd6_rtr.c */ 469241916Sdelphijvoid nd6_rs_input(struct mbuf *, int, int); 470241916Sdelphijvoid nd6_ra_input(struct mbuf *, int, int); 471241916Sdelphijvoid defrouter_reset(void); 472317067Sasomersvoid defrouter_select_fib(int fibnum); 473241916Sdelphijvoid defrouter_select(void); 474296063Smarkjvoid defrouter_ref(struct nd_defrouter *); 475296063Smarkjvoid defrouter_rele(struct nd_defrouter *); 476296991Smarkjbool defrouter_remove(struct in6_addr *, struct ifnet *); 477296063Smarkjvoid defrouter_unlink(struct nd_defrouter *, struct nd_drhead *); 478296063Smarkjvoid defrouter_del(struct nd_defrouter *); 479241916Sdelphijint nd6_prelist_add(struct nd_prefixctl *, struct nd_defrouter *, 480316714Smarkj struct nd_prefix **); 481316714Smarkjvoid nd6_prefix_unlink(struct nd_prefix *, struct nd_prhead *); 482316714Smarkjvoid nd6_prefix_del(struct nd_prefix *); 483316714Smarkjvoid nd6_prefix_ref(struct nd_prefix *); 484316714Smarkjvoid nd6_prefix_rele(struct nd_prefix *); 485316714Smarkjint nd6_prefix_onlink(struct nd_prefix *); 486316714Smarkjint nd6_prefix_offlink(struct nd_prefix *); 487241916Sdelphijvoid pfxlist_onlink_check(void); 488241916Sdelphijstruct nd_defrouter *defrouter_lookup(struct in6_addr *, struct ifnet *); 489296063Smarkjstruct nd_defrouter *defrouter_lookup_locked(struct in6_addr *, struct ifnet *); 490241916Sdelphijstruct nd_prefix *nd6_prefix_lookup(struct nd_prefixctl *); 491241916Sdelphijvoid rt6_flush(struct in6_addr *, struct ifnet *); 492241916Sdelphijint nd6_setdefaultiface(int); 493241916Sdelphijint in6_tmpifadd(const struct in6_ifaddr *, int, int); 49453541Sshin 49553541Sshin#endif /* _KERNEL */ 49653541Sshin 49753541Sshin#endif /* _NETINET6_ND6_H_ */ 498