1 /*- 2 * Copyright (c) 1980, 1986, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)route.h 8.4 (Berkeley) 1/9/95 30 * $FreeBSD$ 31 */ 32 33 #ifndef _NET_ROUTE_H_ 34 #define _NET_ROUTE_H_ 35 36 #include <sys/counter.h> 37 #include <net/vnet.h> 38 39 /* 40 * Kernel resident routing tables. 41 * 42 * The routing tables are initialized when interface addresses 43 * are set by making entries for all directly connected interfaces. 44 */ 45 46 /* 47 * Struct route consiste of a destination address, 48 * a route entry pointer, link-layer prepend data pointer along 49 * with its length. 50 */ 51 struct route { 52 struct rtentry *ro_rt; 53 struct llentry *ro_lle; 54 /* 55 * ro_prepend and ro_plen are only used for bpf to pass in a 56 * preformed header. They are not cacheable. 57 */ 58 char *ro_prepend; 59 uint16_t ro_plen; 60 uint16_t ro_flags; 61 uint16_t ro_mtu; /* saved ro_rt mtu */ 62 uint16_t spare; 63 struct sockaddr ro_dst; 64 }; 65 66 #define RT_L2_ME_BIT 2 /* dst L2 addr is our address */ 67 #define RT_MAY_LOOP_BIT 3 /* dst may require loop copy */ 68 #define RT_HAS_HEADER_BIT 4 /* mbuf already have its header prepended */ 69 70 #define RT_CACHING_CONTEXT 0x1 /* XXX: not used anywhere */ 71 #define RT_NORTREF 0x2 /* doesn't hold reference on ro_rt */ 72 #define RT_L2_ME (1 << RT_L2_ME_BIT) /* 0x0004 */ 73 #define RT_MAY_LOOP (1 << RT_MAY_LOOP_BIT) /* 0x0008 */ 74 #define RT_HAS_HEADER (1 << RT_HAS_HEADER_BIT) /* 0x0010 */ 75 76 #define RT_REJECT 0x0020 /* Destination is reject */ 77 #define RT_BLACKHOLE 0x0040 /* Destination is blackhole */ 78 #define RT_HAS_GW 0x0080 /* Destination has GW */ 79 #define RT_LLE_CACHE 0x0100 /* Cache link layer */ 80 81 struct rt_metrics { 82 u_long rmx_locks; /* Kernel must leave these values alone */ 83 u_long rmx_mtu; /* MTU for this path */ 84 u_long rmx_hopcount; /* max hops expected */ 85 u_long rmx_expire; /* lifetime for route, e.g. redirect */ 86 u_long rmx_recvpipe; /* inbound delay-bandwidth product */ 87 u_long rmx_sendpipe; /* outbound delay-bandwidth product */ 88 u_long rmx_ssthresh; /* outbound gateway buffer limit */ 89 u_long rmx_rtt; /* estimated round trip time */ 90 u_long rmx_rttvar; /* estimated rtt variance */ 91 u_long rmx_pksent; /* packets sent using this route */ 92 u_long rmx_weight; /* route weight */ 93 u_long rmx_filler[3]; /* will be used for T/TCP later */ 94 }; 95 96 /* 97 * rmx_rtt and rmx_rttvar are stored as microseconds; 98 * RTTTOPRHZ(rtt) converts to a value suitable for use 99 * by a protocol slowtimo counter. 100 */ 101 #define RTM_RTTUNIT 1000000 /* units for rtt, rttvar, as units per sec */ 102 #define RTTTOPRHZ(r) ((r) / (RTM_RTTUNIT / PR_SLOWHZ)) 103 104 /* lle state is exported in rmx_state rt_metrics field */ 105 #define rmx_state rmx_weight 106 107 /* 108 * Keep a generation count of routing table, incremented on route addition, 109 * so we can invalidate caches. This is accessed without a lock, as precision 110 * is not required. 111 */ 112 typedef volatile u_int rt_gen_t; /* tree generation (for adds) */ 113 #define RT_GEN(fibnum, af) rt_tables_get_gen(fibnum, af) 114 115 #define RT_DEFAULT_FIB 0 /* Explicitly mark fib=0 restricted cases */ 116 #define RT_ALL_FIBS -1 /* Announce event for every fib */ 117 #ifdef _KERNEL 118 extern u_int rt_numfibs; /* number of usable routing tables */ 119 VNET_DECLARE(u_int, rt_add_addr_allfibs); /* Announce interfaces to all fibs */ 120 #define V_rt_add_addr_allfibs VNET(rt_add_addr_allfibs) 121 #endif 122 123 /* 124 * We distinguish between routes to hosts and routes to networks, 125 * preferring the former if available. For each route we infer 126 * the interface to use from the gateway address supplied when 127 * the route was entered. Routes that forward packets through 128 * gateways are marked so that the output routines know to address the 129 * gateway rather than the ultimate destination. 130 */ 131 #ifndef RNF_NORMAL 132 #include <net/radix.h> 133 #ifdef RADIX_MPATH 134 #include <net/radix_mpath.h> 135 #endif 136 #endif 137 138 #if defined(_KERNEL) || defined(_WANT_RTENTRY) 139 struct rtentry { 140 struct radix_node rt_nodes[2]; /* tree glue, and other values */ 141 /* 142 * XXX struct rtentry must begin with a struct radix_node (or two!) 143 * because the code does some casts of a 'struct radix_node *' 144 * to a 'struct rtentry *' 145 */ 146 #define rt_key(r) (*((struct sockaddr **)(&(r)->rt_nodes->rn_key))) 147 #define rt_mask(r) (*((struct sockaddr **)(&(r)->rt_nodes->rn_mask))) 148 struct sockaddr *rt_gateway; /* value */ 149 struct ifnet *rt_ifp; /* the answer: interface to use */ 150 struct ifaddr *rt_ifa; /* the answer: interface address to use */ 151 int rt_flags; /* up/down?, host/net */ 152 int rt_refcnt; /* # held references */ 153 u_int rt_fibnum; /* which FIB */ 154 u_long rt_mtu; /* MTU for this path */ 155 u_long rt_weight; /* absolute weight */ 156 u_long rt_expire; /* lifetime for route, e.g. redirect */ 157 #define rt_endzero rt_pksent 158 counter_u64_t rt_pksent; /* packets sent using this route */ 159 struct mtx rt_mtx; /* mutex for routing entry */ 160 struct rtentry *rt_chain; /* pointer to next rtentry to delete */ 161 }; 162 #endif /* _KERNEL || _WANT_RTENTRY */ 163 164 #define RTF_UP 0x1 /* route usable */ 165 #define RTF_GATEWAY 0x2 /* destination is a gateway */ 166 #define RTF_HOST 0x4 /* host entry (net otherwise) */ 167 #define RTF_REJECT 0x8 /* host or net unreachable */ 168 #define RTF_DYNAMIC 0x10 /* created dynamically (by redirect) */ 169 #define RTF_MODIFIED 0x20 /* modified dynamically (by redirect) */ 170 #define RTF_DONE 0x40 /* message confirmed */ 171 /* 0x80 unused, was RTF_DELCLONE */ 172 /* 0x100 unused, was RTF_CLONING */ 173 #define RTF_XRESOLVE 0x200 /* external daemon resolves name */ 174 #define RTF_LLINFO 0x400 /* DEPRECATED - exists ONLY for backward 175 compatibility */ 176 #define RTF_LLDATA 0x400 /* used by apps to add/del L2 entries */ 177 #define RTF_STATIC 0x800 /* manually added */ 178 #define RTF_BLACKHOLE 0x1000 /* just discard pkts (during updates) */ 179 #define RTF_PROTO2 0x4000 /* protocol specific routing flag */ 180 #define RTF_PROTO1 0x8000 /* protocol specific routing flag */ 181 /* 0x10000 unused, was RTF_PRCLONING */ 182 /* 0x20000 unused, was RTF_WASCLONED */ 183 #define RTF_PROTO3 0x40000 /* protocol specific routing flag */ 184 #define RTF_FIXEDMTU 0x80000 /* MTU was explicitly specified */ 185 #define RTF_PINNED 0x100000 /* route is immutable */ 186 #define RTF_LOCAL 0x200000 /* route represents a local address */ 187 #define RTF_BROADCAST 0x400000 /* route represents a bcast address */ 188 #define RTF_MULTICAST 0x800000 /* route represents a mcast address */ 189 /* 0x8000000 and up unassigned */ 190 #define RTF_STICKY 0x10000000 /* always route dst->src */ 191 192 #define RTF_RNH_LOCKED 0x40000000 /* unused */ 193 194 #define RTF_GWFLAG_COMPAT 0x80000000 /* a compatibility bit for interacting 195 with existing routing apps */ 196 197 /* Mask of RTF flags that are allowed to be modified by RTM_CHANGE. */ 198 #define RTF_FMASK \ 199 (RTF_PROTO1 | RTF_PROTO2 | RTF_PROTO3 | RTF_BLACKHOLE | \ 200 RTF_REJECT | RTF_STATIC | RTF_STICKY) 201 202 /* 203 * fib_ nexthop API flags. 204 */ 205 206 /* Consumer-visible nexthop info flags */ 207 #define NHF_REJECT 0x0010 /* RTF_REJECT */ 208 #define NHF_BLACKHOLE 0x0020 /* RTF_BLACKHOLE */ 209 #define NHF_REDIRECT 0x0040 /* RTF_DYNAMIC|RTF_MODIFIED */ 210 #define NHF_DEFAULT 0x0080 /* Default route */ 211 #define NHF_BROADCAST 0x0100 /* RTF_BROADCAST */ 212 #define NHF_GATEWAY 0x0200 /* RTF_GATEWAY */ 213 214 /* Nexthop request flags */ 215 #define NHR_IFAIF 0x01 /* Return ifa_ifp interface */ 216 #define NHR_REF 0x02 /* For future use */ 217 218 /* Control plane route request flags */ 219 #define NHR_COPY 0x100 /* Copy rte data */ 220 221 #ifdef _KERNEL 222 /* rte<>ro_flags translation */ 223 static inline void 224 rt_update_ro_flags(struct route *ro) 225 { 226 int rt_flags = ro->ro_rt->rt_flags; 227 228 ro->ro_flags &= ~ (RT_REJECT|RT_BLACKHOLE|RT_HAS_GW); 229 230 ro->ro_flags |= (rt_flags & RTF_REJECT) ? RT_REJECT : 0; 231 ro->ro_flags |= (rt_flags & RTF_BLACKHOLE) ? RT_BLACKHOLE : 0; 232 ro->ro_flags |= (rt_flags & RTF_GATEWAY) ? RT_HAS_GW : 0; 233 } 234 #endif 235 236 /* 237 * Routing statistics. 238 */ 239 struct rtstat { 240 short rts_badredirect; /* bogus redirect calls */ 241 short rts_dynamic; /* routes created by redirects */ 242 short rts_newgateway; /* routes modified by redirects */ 243 short rts_unreach; /* lookups which failed */ 244 short rts_wildcard; /* lookups satisfied by a wildcard */ 245 }; 246 /* 247 * Structures for routing messages. 248 */ 249 struct rt_msghdr { 250 u_short rtm_msglen; /* to skip over non-understood messages */ 251 u_char rtm_version; /* future binary compatibility */ 252 u_char rtm_type; /* message type */ 253 u_short rtm_index; /* index for associated ifp */ 254 int rtm_flags; /* flags, incl. kern & message, e.g. DONE */ 255 int rtm_addrs; /* bitmask identifying sockaddrs in msg */ 256 pid_t rtm_pid; /* identify sender */ 257 int rtm_seq; /* for sender to identify action */ 258 int rtm_errno; /* why failed */ 259 int rtm_fmask; /* bitmask used in RTM_CHANGE message */ 260 u_long rtm_inits; /* which metrics we are initializing */ 261 struct rt_metrics rtm_rmx; /* metrics themselves */ 262 }; 263 264 #define RTM_VERSION 5 /* Up the ante and ignore older versions */ 265 266 /* 267 * Message types. 268 */ 269 #define RTM_ADD 0x1 /* Add Route */ 270 #define RTM_DELETE 0x2 /* Delete Route */ 271 #define RTM_CHANGE 0x3 /* Change Metrics or flags */ 272 #define RTM_GET 0x4 /* Report Metrics */ 273 #define RTM_LOSING 0x5 /* Kernel Suspects Partitioning */ 274 #define RTM_REDIRECT 0x6 /* Told to use different route */ 275 #define RTM_MISS 0x7 /* Lookup failed on this address */ 276 #define RTM_LOCK 0x8 /* fix specified metrics */ 277 /* 0x9 */ 278 /* 0xa */ 279 #define RTM_RESOLVE 0xb /* req to resolve dst to LL addr */ 280 #define RTM_NEWADDR 0xc /* address being added to iface */ 281 #define RTM_DELADDR 0xd /* address being removed from iface */ 282 #define RTM_IFINFO 0xe /* iface going up/down etc. */ 283 #define RTM_NEWMADDR 0xf /* mcast group membership being added to if */ 284 #define RTM_DELMADDR 0x10 /* mcast group membership being deleted */ 285 #define RTM_IFANNOUNCE 0x11 /* iface arrival/departure */ 286 #define RTM_IEEE80211 0x12 /* IEEE80211 wireless event */ 287 288 /* 289 * Bitmask values for rtm_inits and rmx_locks. 290 */ 291 #define RTV_MTU 0x1 /* init or lock _mtu */ 292 #define RTV_HOPCOUNT 0x2 /* init or lock _hopcount */ 293 #define RTV_EXPIRE 0x4 /* init or lock _expire */ 294 #define RTV_RPIPE 0x8 /* init or lock _recvpipe */ 295 #define RTV_SPIPE 0x10 /* init or lock _sendpipe */ 296 #define RTV_SSTHRESH 0x20 /* init or lock _ssthresh */ 297 #define RTV_RTT 0x40 /* init or lock _rtt */ 298 #define RTV_RTTVAR 0x80 /* init or lock _rttvar */ 299 #define RTV_WEIGHT 0x100 /* init or lock _weight */ 300 301 /* 302 * Bitmask values for rtm_addrs. 303 */ 304 #define RTA_DST 0x1 /* destination sockaddr present */ 305 #define RTA_GATEWAY 0x2 /* gateway sockaddr present */ 306 #define RTA_NETMASK 0x4 /* netmask sockaddr present */ 307 #define RTA_GENMASK 0x8 /* cloning mask sockaddr present */ 308 #define RTA_IFP 0x10 /* interface name sockaddr present */ 309 #define RTA_IFA 0x20 /* interface addr sockaddr present */ 310 #define RTA_AUTHOR 0x40 /* sockaddr for author of redirect */ 311 #define RTA_BRD 0x80 /* for NEWADDR, broadcast or p-p dest addr */ 312 313 /* 314 * Index offsets for sockaddr array for alternate internal encoding. 315 */ 316 #define RTAX_DST 0 /* destination sockaddr present */ 317 #define RTAX_GATEWAY 1 /* gateway sockaddr present */ 318 #define RTAX_NETMASK 2 /* netmask sockaddr present */ 319 #define RTAX_GENMASK 3 /* cloning mask sockaddr present */ 320 #define RTAX_IFP 4 /* interface name sockaddr present */ 321 #define RTAX_IFA 5 /* interface addr sockaddr present */ 322 #define RTAX_AUTHOR 6 /* sockaddr for author of redirect */ 323 #define RTAX_BRD 7 /* for NEWADDR, broadcast or p-p dest addr */ 324 #define RTAX_MAX 8 /* size of array to allocate */ 325 326 typedef int rt_filter_f_t(const struct rtentry *, void *); 327 328 struct rt_addrinfo { 329 int rti_addrs; /* Route RTF_ flags */ 330 int rti_flags; /* Route RTF_ flags */ 331 struct sockaddr *rti_info[RTAX_MAX]; /* Sockaddr data */ 332 struct ifaddr *rti_ifa; /* value of rt_ifa addr */ 333 struct ifnet *rti_ifp; /* route interface */ 334 rt_filter_f_t *rti_filter; /* filter function */ 335 void *rti_filterdata; /* filter paramenters */ 336 u_long rti_mflags; /* metrics RTV_ flags */ 337 u_long rti_spare; /* Will be used for fib */ 338 struct rt_metrics *rti_rmx; /* Pointer to route metrics */ 339 }; 340 341 /* 342 * This macro returns the size of a struct sockaddr when passed 343 * through a routing socket. Basically we round up sa_len to 344 * a multiple of sizeof(long), with a minimum of sizeof(long). 345 * The check for a NULL pointer is just a convenience, probably never used. 346 * The case sa_len == 0 should only apply to empty structures. 347 */ 348 #define SA_SIZE(sa) \ 349 ( (!(sa) || ((struct sockaddr *)(sa))->sa_len == 0) ? \ 350 sizeof(long) : \ 351 1 + ( (((struct sockaddr *)(sa))->sa_len - 1) | (sizeof(long) - 1) ) ) 352 353 #define sa_equal(a, b) ( \ 354 (((const struct sockaddr *)(a))->sa_len == ((const struct sockaddr *)(b))->sa_len) && \ 355 (bcmp((a), (b), ((const struct sockaddr *)(b))->sa_len) == 0)) 356 357 #ifdef _KERNEL 358 359 #define RT_LINK_IS_UP(ifp) (!((ifp)->if_capabilities & IFCAP_LINKSTATE) \ 360 || (ifp)->if_link_state == LINK_STATE_UP) 361 362 #define RT_LOCK_INIT(_rt) \ 363 mtx_init(&(_rt)->rt_mtx, "rtentry", NULL, MTX_DEF | MTX_DUPOK) 364 #define RT_LOCK(_rt) mtx_lock(&(_rt)->rt_mtx) 365 #define RT_UNLOCK(_rt) mtx_unlock(&(_rt)->rt_mtx) 366 #define RT_LOCK_DESTROY(_rt) mtx_destroy(&(_rt)->rt_mtx) 367 #define RT_LOCK_ASSERT(_rt) mtx_assert(&(_rt)->rt_mtx, MA_OWNED) 368 #define RT_UNLOCK_COND(_rt) do { \ 369 if (mtx_owned(&(_rt)->rt_mtx)) \ 370 mtx_unlock(&(_rt)->rt_mtx); \ 371 } while (0) 372 373 #define RT_ADDREF(_rt) do { \ 374 RT_LOCK_ASSERT(_rt); \ 375 KASSERT((_rt)->rt_refcnt >= 0, \ 376 ("negative refcnt %d", (_rt)->rt_refcnt)); \ 377 (_rt)->rt_refcnt++; \ 378 } while (0) 379 380 #define RT_REMREF(_rt) do { \ 381 RT_LOCK_ASSERT(_rt); \ 382 KASSERT((_rt)->rt_refcnt > 0, \ 383 ("bogus refcnt %d", (_rt)->rt_refcnt)); \ 384 (_rt)->rt_refcnt--; \ 385 } while (0) 386 387 #define RTFREE_LOCKED(_rt) do { \ 388 if ((_rt)->rt_refcnt <= 1) \ 389 rtfree(_rt); \ 390 else { \ 391 RT_REMREF(_rt); \ 392 RT_UNLOCK(_rt); \ 393 } \ 394 /* guard against invalid refs */ \ 395 _rt = 0; \ 396 } while (0) 397 398 #define RTFREE(_rt) do { \ 399 RT_LOCK(_rt); \ 400 RTFREE_LOCKED(_rt); \ 401 } while (0) 402 403 #define RO_RTFREE(_ro) do { \ 404 if ((_ro)->ro_rt) { \ 405 if ((_ro)->ro_flags & RT_NORTREF) { \ 406 (_ro)->ro_flags &= ~RT_NORTREF; \ 407 (_ro)->ro_rt = NULL; \ 408 (_ro)->ro_lle = NULL; \ 409 } else { \ 410 RT_LOCK((_ro)->ro_rt); \ 411 RTFREE_LOCKED((_ro)->ro_rt); \ 412 } \ 413 } \ 414 } while (0) 415 416 /* 417 * Validate a cached route based on a supplied cookie. If there is an 418 * out-of-date cache, simply free it. Update the generation number 419 * for the new allocation 420 */ 421 #define RT_VALIDATE(ro, cookiep, fibnum) do { \ 422 rt_gen_t cookie = RT_GEN(fibnum, (ro)->ro_dst.sa_family); \ 423 if (*(cookiep) != cookie) { \ 424 if ((ro)->ro_rt != NULL) { \ 425 RTFREE((ro)->ro_rt); \ 426 (ro)->ro_rt = NULL; \ 427 } \ 428 *(cookiep) = cookie; \ 429 } \ 430 } while (0) 431 432 struct ifmultiaddr; 433 struct rib_head; 434 435 void rt_ieee80211msg(struct ifnet *, int, void *, size_t); 436 void rt_ifannouncemsg(struct ifnet *, int); 437 void rt_ifmsg(struct ifnet *); 438 void rt_missmsg(int, struct rt_addrinfo *, int, int); 439 void rt_missmsg_fib(int, struct rt_addrinfo *, int, int, int); 440 void rt_newaddrmsg(int, struct ifaddr *, int, struct rtentry *); 441 void rt_newaddrmsg_fib(int, struct ifaddr *, int, struct rtentry *, int); 442 int rt_addrmsg(int, struct ifaddr *, int); 443 int rt_routemsg(int, struct ifnet *ifp, int, struct rtentry *, int); 444 void rt_newmaddrmsg(int, struct ifmultiaddr *); 445 int rt_setgate(struct rtentry *, struct sockaddr *, struct sockaddr *); 446 void rt_maskedcopy(struct sockaddr *, struct sockaddr *, struct sockaddr *); 447 struct rib_head *rt_table_init(int); 448 void rt_table_destroy(struct rib_head *); 449 u_int rt_tables_get_gen(int table, int fam); 450 451 int rtsock_addrmsg(int, struct ifaddr *, int); 452 int rtsock_routemsg(int, struct ifnet *ifp, int, struct rtentry *, int); 453 454 /* 455 * Note the following locking behavior: 456 * 457 * rtalloc1() returns a locked rtentry 458 * 459 * rtfree() and RTFREE_LOCKED() require a locked rtentry 460 * 461 * RTFREE() uses an unlocked entry. 462 */ 463 464 void rtfree(struct rtentry *); 465 void rt_updatemtu(struct ifnet *); 466 467 typedef int rt_walktree_f_t(struct rtentry *, void *); 468 typedef void rt_setwarg_t(struct rib_head *, uint32_t, int, void *); 469 void rt_foreach_fib_walk(int af, rt_setwarg_t *, rt_walktree_f_t *, void *); 470 void rt_foreach_fib_walk_del(int af, rt_filter_f_t *filter_f, void *arg); 471 void rt_flushifroutes_af(struct ifnet *, int); 472 void rt_flushifroutes(struct ifnet *ifp); 473 474 /* XXX MRT COMPAT VERSIONS THAT SET UNIVERSE to 0 */ 475 /* Thes are used by old code not yet converted to use multiple FIBS */ 476 struct rtentry *rtalloc1(struct sockaddr *, int, u_long); 477 int rtinit(struct ifaddr *, int, int); 478 479 /* XXX MRT NEW VERSIONS THAT USE FIBs 480 * For now the protocol indepedent versions are the same as the AF_INET ones 481 * but this will change.. 482 */ 483 int rt_getifa_fib(struct rt_addrinfo *, u_int fibnum); 484 void rtalloc_ign_fib(struct route *ro, u_long ignflags, u_int fibnum); 485 struct rtentry *rtalloc1_fib(struct sockaddr *, int, u_long, u_int); 486 int rtioctl_fib(u_long, caddr_t, u_int); 487 void rtredirect_fib(struct sockaddr *, struct sockaddr *, 488 struct sockaddr *, int, struct sockaddr *, u_int); 489 int rtrequest_fib(int, struct sockaddr *, 490 struct sockaddr *, struct sockaddr *, int, struct rtentry **, u_int); 491 int rtrequest1_fib(int, struct rt_addrinfo *, struct rtentry **, u_int); 492 int rib_lookup_info(uint32_t, const struct sockaddr *, uint32_t, uint32_t, 493 struct rt_addrinfo *); 494 void rib_free_info(struct rt_addrinfo *info); 495 496 #endif 497 498 #endif 499