| 1 | /* $NetBSD: nd6.h,v 1.72 2016/04/04 07:37:07 ozaki-r Exp $ */ |
| 2 | /* $KAME: nd6.h,v 1.95 2002/06/08 11:31:06 itojun Exp $ */ |
| 3 | |
| 4 | /* |
| 5 | * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. |
| 6 | * All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 11 | * 1. Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer. |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer in the |
| 15 | * documentation and/or other materials provided with the distribution. |
| 16 | * 3. Neither the name of the project nor the names of its contributors |
| 17 | * may be used to endorse or promote products derived from this software |
| 18 | * without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
| 21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
| 24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 30 | * SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | #ifndef _NETINET6_ND6_H_ |
| 34 | #define _NETINET6_ND6_H_ |
| 35 | |
| 36 | #include <sys/queue.h> |
| 37 | #include <sys/callout.h> |
| 38 | |
| 39 | #define ND6_LLINFO_PURGE -3 |
| 40 | #define ND6_LLINFO_NOSTATE -2 |
| 41 | /* |
| 42 | * We don't need the WAITDELETE state any more, but we keep the definition |
| 43 | * in a comment line instead of removing it. This is necessary to avoid |
| 44 | * unintentionally reusing the value for another purpose, which might |
| 45 | * affect backward compatibility with old applications. |
| 46 | * (20000711 jinmei@kame.net) |
| 47 | */ |
| 48 | /* #define ND6_LLINFO_WAITDELETE -1 */ |
| 49 | #define ND6_LLINFO_INCOMPLETE 0 |
| 50 | #define ND6_LLINFO_REACHABLE 1 |
| 51 | #define ND6_LLINFO_STALE 2 |
| 52 | #define ND6_LLINFO_DELAY 3 |
| 53 | #define ND6_LLINFO_PROBE 4 |
| 54 | |
| 55 | #define ND6_IS_LLINFO_PROBREACH(n) ((n)->ln_state > ND6_LLINFO_INCOMPLETE) |
| 56 | #define ND6_LLINFO_PERMANENT(n) (((n)->ln_expire == 0) && ((n)->ln_state > ND6_LLINFO_INCOMPLETE)) |
| 57 | |
| 58 | struct nd_ifinfo { |
| 59 | u_int32_t linkmtu; /* LinkMTU */ |
| 60 | u_int32_t maxmtu; /* Upper bound of LinkMTU */ |
| 61 | u_int32_t basereachable; /* BaseReachableTime */ |
| 62 | u_int32_t reachable; /* Reachable Time */ |
| 63 | u_int32_t retrans; /* Retrans Timer */ |
| 64 | u_int32_t flags; /* Flags */ |
| 65 | int recalctm; /* BaseReacable re-calculation timer */ |
| 66 | u_int8_t chlim; /* CurHopLimit */ |
| 67 | u_int8_t initialized; /* Flag to see the entry is initialized */ |
| 68 | /* the following 3 members are for privacy extension for addrconf */ |
| 69 | u_int8_t randomseed0[8]; /* upper 64 bits of MD5 digest */ |
| 70 | u_int8_t randomseed1[8]; /* lower 64 bits (usually the EUI64 IFID) */ |
| 71 | u_int8_t randomid[8]; /* current random ID */ |
| 72 | }; |
| 73 | |
| 74 | #define ND6_IFF_PERFORMNUD 0x01 |
| 75 | #define ND6_IFF_ACCEPT_RTADV 0x02 /* See "RTADV Key", below. */ |
| 76 | #define ND6_IFF_PREFER_SOURCE 0x04 /* XXX: not related to ND. */ |
| 77 | #define ND6_IFF_IFDISABLED 0x08 /* IPv6 operation is disabled due to |
| 78 | * DAD failure. (XXX: not ND-specific) |
| 79 | */ |
| 80 | #define ND6_IFF_OVERRIDE_RTADV 0x10 /* See "RTADV Key", below. */ |
| 81 | #define ND6_IFF_AUTO_LINKLOCAL 0x20 |
| 82 | |
| 83 | /* |
| 84 | * RTADV Key |
| 85 | * |
| 86 | * The flags ND6_IFF_ACCEPT_RTADV and ND6_IFF_OVERRIDE_RTADV form a |
| 87 | * tri-state variable. (There are actually four different states, but |
| 88 | * two of the states are functionally identical.) |
| 89 | * |
| 90 | * ND6_IFF_OVERRIDE_RTADV or 0: This interface does not accept |
| 91 | * Router Advertisements. |
| 92 | * |
| 93 | * ND6_IFF_OVERRIDE_RTADV| |
| 94 | * ND6_IFF_ACCEPT_RTADV: This interface accepts Router |
| 95 | * Advertisements regardless of the |
| 96 | * global setting, ip6_accept_rtadv. |
| 97 | * |
| 98 | * ND6_IFF_ACCEPT_RTADV: This interface follows the global setting, |
| 99 | * ip6_accept_rtadv. If ip6_accept_rtadv == 0, |
| 100 | * this interface does not accept Router |
| 101 | * Advertisements. If ip6_accept_rtadv != 0, |
| 102 | * this interface does accept them. |
| 103 | */ |
| 104 | |
| 105 | #ifdef _KERNEL |
| 106 | #define ND_IFINFO(ifp) \ |
| 107 | (((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->nd_ifinfo) |
| 108 | #define IN6_LINKMTU(ifp) \ |
| 109 | ((ND_IFINFO(ifp)->linkmtu && ND_IFINFO(ifp)->linkmtu < (ifp)->if_mtu) \ |
| 110 | ? ND_IFINFO(ifp)->linkmtu \ |
| 111 | : ((ND_IFINFO(ifp)->maxmtu && ND_IFINFO(ifp)->maxmtu < (ifp)->if_mtu) \ |
| 112 | ? ND_IFINFO(ifp)->maxmtu : (ifp)->if_mtu)) |
| 113 | #endif |
| 114 | |
| 115 | struct in6_nbrinfo { |
| 116 | char ifname[IFNAMSIZ]; /* if name, e.g. "en0" */ |
| 117 | struct in6_addr addr; /* IPv6 address of the neighbor */ |
| 118 | long asked; /* number of queries already sent for this addr */ |
| 119 | int isrouter; /* if it acts as a router */ |
| 120 | int state; /* reachability state */ |
| 121 | int expire; /* lifetime for NDP state transition */ |
| 122 | }; |
| 123 | |
| 124 | #define DRLSTSIZ 10 |
| 125 | #define PRLSTSIZ 10 |
| 126 | struct in6_drlist { |
| 127 | char ifname[IFNAMSIZ]; |
| 128 | struct { |
| 129 | struct in6_addr rtaddr; |
| 130 | u_char flags; |
| 131 | u_short rtlifetime; |
| 132 | u_long expire; |
| 133 | u_short if_index; |
| 134 | } defrouter[DRLSTSIZ]; |
| 135 | }; |
| 136 | |
| 137 | struct in6_defrouter { |
| 138 | struct sockaddr_in6 rtaddr; |
| 139 | u_char flags; |
| 140 | u_short rtlifetime; |
| 141 | u_long expire; |
| 142 | u_short if_index; |
| 143 | }; |
| 144 | |
| 145 | #ifdef _KERNEL |
| 146 | struct in6_oprlist { |
| 147 | char ifname[IFNAMSIZ]; |
| 148 | struct { |
| 149 | struct in6_addr prefix; |
| 150 | struct prf_ra raflags; |
| 151 | u_char prefixlen; |
| 152 | u_char origin; |
| 153 | u_long vltime; |
| 154 | u_long pltime; |
| 155 | u_long expire; |
| 156 | u_short if_index; |
| 157 | u_short advrtrs; /* number of advertisement routers */ |
| 158 | struct in6_addr advrtr[DRLSTSIZ]; /* XXX: explicit limit */ |
| 159 | } prefix[PRLSTSIZ]; |
| 160 | }; |
| 161 | #endif |
| 162 | |
| 163 | struct in6_prlist { |
| 164 | char ifname[IFNAMSIZ]; |
| 165 | struct { |
| 166 | struct in6_addr prefix; |
| 167 | struct prf_ra raflags; |
| 168 | u_char prefixlen; |
| 169 | u_char origin; |
| 170 | u_int32_t vltime; |
| 171 | u_int32_t pltime; |
| 172 | time_t expire; |
| 173 | u_short if_index; |
| 174 | u_short advrtrs; /* number of advertisement routers */ |
| 175 | struct in6_addr advrtr[DRLSTSIZ]; /* XXX: explicit limit */ |
| 176 | } prefix[PRLSTSIZ]; |
| 177 | }; |
| 178 | |
| 179 | struct in6_prefix { |
| 180 | struct sockaddr_in6 prefix; |
| 181 | struct prf_ra raflags; |
| 182 | u_char prefixlen; |
| 183 | u_char origin; |
| 184 | u_int32_t vltime; |
| 185 | u_int32_t pltime; |
| 186 | time_t expire; |
| 187 | u_int32_t flags; |
| 188 | int refcnt; |
| 189 | u_short if_index; |
| 190 | u_short advrtrs; /* number of advertisement routers */ |
| 191 | /* struct sockaddr_in6 advrtr[] */ |
| 192 | }; |
| 193 | |
| 194 | #ifdef _KERNEL |
| 195 | struct in6_ondireq { |
| 196 | char ifname[IFNAMSIZ]; |
| 197 | struct { |
| 198 | u_int32_t linkmtu; /* LinkMTU */ |
| 199 | u_int32_t maxmtu; /* Upper bound of LinkMTU */ |
| 200 | u_int32_t basereachable; /* BaseReachableTime */ |
| 201 | u_int32_t reachable; /* Reachable Time */ |
| 202 | u_int32_t retrans; /* Retrans Timer */ |
| 203 | u_int32_t flags; /* Flags */ |
| 204 | int recalctm; /* BaseReacable re-calculation timer */ |
| 205 | u_int8_t chlim; /* CurHopLimit */ |
| 206 | u_int8_t receivedra; |
| 207 | } ndi; |
| 208 | }; |
| 209 | #endif |
| 210 | |
| 211 | struct in6_ndireq { |
| 212 | char ifname[IFNAMSIZ]; |
| 213 | struct nd_ifinfo ndi; |
| 214 | }; |
| 215 | |
| 216 | struct in6_ndifreq { |
| 217 | char ifname[IFNAMSIZ]; |
| 218 | u_long ifindex; |
| 219 | }; |
| 220 | |
| 221 | /* Prefix status */ |
| 222 | #define NDPRF_ONLINK 0x1 |
| 223 | #define NDPRF_DETACHED 0x2 |
| 224 | #define NDPRF_HOME 0x4 |
| 225 | |
| 226 | /* protocol constants */ |
| 227 | #define MAX_RTR_SOLICITATION_DELAY 1 /* 1sec */ |
| 228 | #define RTR_SOLICITATION_INTERVAL 4 /* 4sec */ |
| 229 | #define MAX_RTR_SOLICITATIONS 3 |
| 230 | |
| 231 | #define ND6_INFINITE_LIFETIME ((u_int32_t)~0) |
| 232 | |
| 233 | #ifdef _KERNEL |
| 234 | /* node constants */ |
| 235 | #define MAX_REACHABLE_TIME 3600000 /* msec */ |
| 236 | #define REACHABLE_TIME 30000 /* msec */ |
| 237 | #define RETRANS_TIMER 1000 /* msec */ |
| 238 | #define MIN_RANDOM_FACTOR 512 /* 1024 * 0.5 */ |
| 239 | #define MAX_RANDOM_FACTOR 1536 /* 1024 * 1.5 */ |
| 240 | #define DEF_TEMP_VALID_LIFETIME 604800 /* 1 week */ |
| 241 | #define DEF_TEMP_PREFERRED_LIFETIME 86400 /* 1 day */ |
| 242 | #define TEMPADDR_REGEN_ADVANCE 5 /* sec */ |
| 243 | #define MAX_TEMP_DESYNC_FACTOR 600 /* 10 min */ |
| 244 | #define ND_COMPUTE_RTIME(x) \ |
| 245 | (((MIN_RANDOM_FACTOR * (x >> 10)) + (cprng_fast32() & \ |
| 246 | ((MAX_RANDOM_FACTOR - MIN_RANDOM_FACTOR) * (x >> 10)))) /1000) |
| 247 | |
| 248 | TAILQ_HEAD(nd_drhead, nd_defrouter); |
| 249 | struct nd_defrouter { |
| 250 | TAILQ_ENTRY(nd_defrouter) dr_entry; |
| 251 | struct in6_addr rtaddr; |
| 252 | u_char flags; /* flags on RA message */ |
| 253 | u_short rtlifetime; |
| 254 | u_long expire; |
| 255 | struct ifnet *ifp; |
| 256 | int installed; /* is installed into kernel routing table */ |
| 257 | }; |
| 258 | |
| 259 | struct nd_prefixctl { |
| 260 | struct ifnet *ndprc_ifp; |
| 261 | |
| 262 | /* prefix */ |
| 263 | struct sockaddr_in6 ndprc_prefix; |
| 264 | u_char ndprc_plen; |
| 265 | |
| 266 | u_int32_t ndprc_vltime; /* advertised valid lifetime */ |
| 267 | u_int32_t ndprc_pltime; /* advertised preferred lifetime */ |
| 268 | |
| 269 | struct prf_ra ndprc_flags; |
| 270 | }; |
| 271 | |
| 272 | #define ndprc_raf ndprc_flags |
| 273 | #define ndprc_raf_onlink ndprc_flags.onlink |
| 274 | #define ndprc_raf_auto ndprc_flags.autonomous |
| 275 | #define ndprc_raf_router ndprc_flags.router |
| 276 | |
| 277 | struct nd_prefix { |
| 278 | struct ifnet *ndpr_ifp; |
| 279 | LIST_ENTRY(nd_prefix) ndpr_entry; |
| 280 | struct sockaddr_in6 ndpr_prefix; /* prefix */ |
| 281 | struct in6_addr ndpr_mask; /* netmask derived from the prefix */ |
| 282 | |
| 283 | u_int32_t ndpr_vltime; /* advertised valid lifetime */ |
| 284 | u_int32_t ndpr_pltime; /* advertised preferred lifetime */ |
| 285 | |
| 286 | time_t ndpr_expire; /* expiration time of the prefix */ |
| 287 | time_t ndpr_preferred; /* preferred time of the prefix */ |
| 288 | time_t ndpr_lastupdate; /* reception time of last advertisement */ |
| 289 | |
| 290 | struct prf_ra ndpr_flags; |
| 291 | u_int32_t ndpr_stateflags; /* actual state flags */ |
| 292 | /* list of routers that advertise the prefix: */ |
| 293 | LIST_HEAD(pr_rtrhead, nd_pfxrouter) ndpr_advrtrs; |
| 294 | u_char ndpr_plen; |
| 295 | int ndpr_refcnt; /* reference couter from addresses */ |
| 296 | }; |
| 297 | |
| 298 | #define ndpr_next ndpr_entry.le_next |
| 299 | |
| 300 | #define ndpr_raf ndpr_flags |
| 301 | #define ndpr_raf_onlink ndpr_flags.onlink |
| 302 | #define ndpr_raf_auto ndpr_flags.autonomous |
| 303 | #define ndpr_raf_router ndpr_flags.router |
| 304 | |
| 305 | /* |
| 306 | * Message format for use in obtaining information about prefixes |
| 307 | * from inet6 sysctl function |
| 308 | */ |
| 309 | struct inet6_ndpr_msghdr { |
| 310 | u_short inpm_msglen; /* to skip over non-understood messages */ |
| 311 | u_char inpm_version; /* future binary compatibility */ |
| 312 | u_char inpm_type; /* message type */ |
| 313 | struct in6_addr inpm_prefix; |
| 314 | u_long prm_vltim; |
| 315 | u_long prm_pltime; |
| 316 | u_long prm_expire; |
| 317 | u_long prm_preferred; |
| 318 | struct in6_prflags prm_flags; |
| 319 | u_short prm_index; /* index for associated ifp */ |
| 320 | u_char prm_plen; /* length of prefix in bits */ |
| 321 | }; |
| 322 | |
| 323 | #define prm_raf_onlink prm_flags.prf_ra.onlink |
| 324 | #define prm_raf_auto prm_flags.prf_ra.autonomous |
| 325 | |
| 326 | #define prm_statef_onlink prm_flags.prf_state.onlink |
| 327 | |
| 328 | #define prm_rrf_decrvalid prm_flags.prf_rr.decrvalid |
| 329 | #define prm_rrf_decrprefd prm_flags.prf_rr.decrprefd |
| 330 | |
| 331 | struct nd_pfxrouter { |
| 332 | LIST_ENTRY(nd_pfxrouter) pfr_entry; |
| 333 | struct nd_defrouter *router; |
| 334 | }; |
| 335 | |
| 336 | LIST_HEAD(nd_prhead, nd_prefix); |
| 337 | |
| 338 | #include <sys/mallocvar.h> |
| 339 | MALLOC_DECLARE(M_IP6NDP); |
| 340 | |
| 341 | /* nd6.c */ |
| 342 | extern int nd6_prune; |
| 343 | extern int nd6_delay; |
| 344 | extern int nd6_umaxtries; |
| 345 | extern int nd6_mmaxtries; |
| 346 | extern int nd6_useloopback; |
| 347 | extern int nd6_maxnudhint; |
| 348 | extern int nd6_gctimer; |
| 349 | extern struct nd_drhead nd_defrouter; |
| 350 | extern struct nd_prhead nd_prefix; |
| 351 | extern int nd6_debug; |
| 352 | |
| 353 | #define nd6log(level, fmt, args...) \ |
| 354 | do { if (nd6_debug) log(level, "%s: " fmt, __func__, ##args);} while (0) |
| 355 | |
| 356 | /* nd6_rtr.c */ |
| 357 | extern int nd6_defifindex; |
| 358 | extern int ip6_desync_factor; /* seconds */ |
| 359 | extern u_int32_t ip6_temp_preferred_lifetime; /* seconds */ |
| 360 | extern u_int32_t ip6_temp_valid_lifetime; /* seconds */ |
| 361 | extern int ip6_temp_regen_advance; /* seconds */ |
| 362 | extern int nd6_numroutes; |
| 363 | |
| 364 | union nd_opts { |
| 365 | struct nd_opt_hdr *nd_opt_array[8]; |
| 366 | struct { |
| 367 | struct nd_opt_hdr *zero; |
| 368 | struct nd_opt_hdr *src_lladdr; |
| 369 | struct nd_opt_hdr *tgt_lladdr; |
| 370 | struct nd_opt_prefix_info *pi_beg; /* multiple opts, start */ |
| 371 | struct nd_opt_rd_hdr *rh; |
| 372 | struct nd_opt_mtu *mtu; |
| 373 | struct nd_opt_hdr *search; /* multiple opts */ |
| 374 | struct nd_opt_hdr *last; /* multiple opts */ |
| 375 | int done; |
| 376 | struct nd_opt_prefix_info *pi_end;/* multiple opts, end */ |
| 377 | } nd_opt_each; |
| 378 | }; |
| 379 | #define nd_opts_src_lladdr nd_opt_each.src_lladdr |
| 380 | #define nd_opts_tgt_lladdr nd_opt_each.tgt_lladdr |
| 381 | #define nd_opts_pi nd_opt_each.pi_beg |
| 382 | #define nd_opts_pi_end nd_opt_each.pi_end |
| 383 | #define nd_opts_rh nd_opt_each.rh |
| 384 | #define nd_opts_mtu nd_opt_each.mtu |
| 385 | #define nd_opts_search nd_opt_each.search |
| 386 | #define nd_opts_last nd_opt_each.last |
| 387 | #define nd_opts_done nd_opt_each.done |
| 388 | |
| 389 | #include <net/if_llatbl.h> |
| 390 | |
| 391 | /* XXX: need nd6_var.h?? */ |
| 392 | /* nd6.c */ |
| 393 | void nd6_init(void); |
| 394 | struct nd_ifinfo *nd6_ifattach(struct ifnet *); |
| 395 | void nd6_ifdetach(struct ifnet *, struct in6_ifextra *); |
| 396 | int nd6_is_addr_neighbor(const struct sockaddr_in6 *, struct ifnet *); |
| 397 | void nd6_option_init(void *, int, union nd_opts *); |
| 398 | struct nd_opt_hdr *nd6_option(union nd_opts *); |
| 399 | int nd6_options(union nd_opts *); |
| 400 | struct llentry *nd6_lookup(const struct in6_addr *, const struct ifnet *, bool); |
| 401 | struct llentry *nd6_create(const struct in6_addr *, const struct ifnet *); |
| 402 | void nd6_setmtu(struct ifnet *); |
| 403 | void nd6_llinfo_settimer(struct llentry *, time_t); |
| 404 | void nd6_purge(struct ifnet *, struct in6_ifextra *); |
| 405 | void nd6_nud_hint(struct rtentry *); |
| 406 | int nd6_resolve(struct ifnet *, struct rtentry *, |
| 407 | struct mbuf *, struct sockaddr *, u_char *); |
| 408 | void nd6_rtrequest(int, struct rtentry *, const struct rt_addrinfo *); |
| 409 | int nd6_ioctl(u_long, void *, struct ifnet *); |
| 410 | void nd6_cache_lladdr(struct ifnet *, struct in6_addr *, |
| 411 | char *, int, int, int); |
| 412 | int nd6_output(struct ifnet *, struct ifnet *, struct mbuf *, |
| 413 | const struct sockaddr_in6 *, struct rtentry *); |
| 414 | int nd6_storelladdr(const struct ifnet *, const struct rtentry *, struct mbuf *, |
| 415 | const struct sockaddr *, uint8_t *, size_t); |
| 416 | int nd6_sysctl(int, void *, size_t *, void *, size_t); |
| 417 | int nd6_need_cache(struct ifnet *); |
| 418 | void nd6_llinfo_release_pkts(struct llentry *, struct ifnet *); |
| 419 | int nd6_add_ifa_lle(struct in6_ifaddr *); |
| 420 | void nd6_rem_ifa_lle(struct in6_ifaddr *); |
| 421 | |
| 422 | /* nd6_nbr.c */ |
| 423 | void nd6_na_input(struct mbuf *, int, int); |
| 424 | void nd6_na_output(struct ifnet *, const struct in6_addr *, |
| 425 | const struct in6_addr *, u_long, int, const struct sockaddr *); |
| 426 | void nd6_ns_input(struct mbuf *, int, int); |
| 427 | void nd6_ns_output(struct ifnet *, const struct in6_addr *, |
| 428 | const struct in6_addr *, struct in6_addr *, int); |
| 429 | const void *nd6_ifptomac(const struct ifnet *); |
| 430 | void nd6_dad_start(struct ifaddr *, int); |
| 431 | void nd6_dad_stop(struct ifaddr *); |
| 432 | void nd6_dad_duplicated(struct ifaddr *); |
| 433 | |
| 434 | /* nd6_rtr.c */ |
| 435 | void nd6_rs_input(struct mbuf *, int, int); |
| 436 | void nd6_ra_input(struct mbuf *, int, int); |
| 437 | void prelist_del(struct nd_prefix *); |
| 438 | void defrouter_addreq(struct nd_defrouter *); |
| 439 | void defrouter_reset(void); |
| 440 | void defrouter_select(void); |
| 441 | void defrtrlist_del(struct nd_defrouter *, struct in6_ifextra *); |
| 442 | void prelist_remove(struct nd_prefix *); |
| 443 | int nd6_prelist_add(struct nd_prefixctl *, struct nd_defrouter *, |
| 444 | struct nd_prefix **); |
| 445 | int nd6_prefix_onlink(struct nd_prefix *); |
| 446 | int nd6_prefix_offlink(struct nd_prefix *); |
| 447 | void pfxlist_onlink_check(void); |
| 448 | struct nd_defrouter *defrouter_lookup(const struct in6_addr *, struct ifnet *); |
| 449 | struct nd_prefix *nd6_prefix_lookup(struct nd_prefixctl *); |
| 450 | int in6_ifdel(struct ifnet *, struct in6_addr *); |
| 451 | void rt6_flush(struct in6_addr *, struct ifnet *); |
| 452 | int nd6_setdefaultiface(int); |
| 453 | int in6_tmpifadd(const struct in6_ifaddr *, int, int); |
| 454 | bool nd6_accepts_rtadv(const struct nd_ifinfo *); |
| 455 | |
| 456 | #endif /* _KERNEL */ |
| 457 | |
| 458 | #endif /* !_NETINET6_ND6_H_ */ |
| 459 | |