route.h revision 205222
1139823Simp/*- 21541Srgrimes * Copyright (c) 1980, 1986, 1993 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * Redistribution and use in source and binary forms, with or without 61541Srgrimes * modification, are permitted provided that the following conditions 71541Srgrimes * are met: 81541Srgrimes * 1. Redistributions of source code must retain the above copyright 91541Srgrimes * notice, this list of conditions and the following disclaimer. 101541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111541Srgrimes * notice, this list of conditions and the following disclaimer in the 121541Srgrimes * documentation and/or other materials provided with the distribution. 131541Srgrimes * 4. Neither the name of the University nor the names of its contributors 141541Srgrimes * may be used to endorse or promote products derived from this software 151541Srgrimes * without specific prior written permission. 161541Srgrimes * 171541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271541Srgrimes * SUCH DAMAGE. 281541Srgrimes * 2985052Sru * @(#)route.h 8.4 (Berkeley) 1/9/95 3050477Speter * $FreeBSD: head/sys/net/route.h 205222 2010-03-16 17:59:12Z qingli $ 311541Srgrimes */ 321541Srgrimes 332168Spaul#ifndef _NET_ROUTE_H_ 342168Spaul#define _NET_ROUTE_H_ 352168Spaul 361541Srgrimes/* 371541Srgrimes * Kernel resident routing tables. 388876Srgrimes * 391541Srgrimes * The routing tables are initialized when interface addresses 401541Srgrimes * are set by making entries for all directly connected interfaces. 411541Srgrimes */ 421541Srgrimes 431541Srgrimes/* 44191148Skmacy * A route consists of a destination address, a reference 45191148Skmacy * to a routing entry, and a reference to an llentry. 46191148Skmacy * These are often held by protocols in their control 47191148Skmacy * blocks, e.g. inpcb. 481541Srgrimes */ 491541Srgrimesstruct route { 501541Srgrimes struct rtentry *ro_rt; 51191117Skmacy struct llentry *ro_lle; 521541Srgrimes struct sockaddr ro_dst; 531541Srgrimes}; 541541Srgrimes 551541Srgrimes/* 561541Srgrimes * These numbers are used by reliable protocols for determining 571541Srgrimes * retransmission behavior and are included in the routing structure. 581541Srgrimes */ 59122922Sandrestruct rt_metrics_lite { 60122922Sandre u_long rmx_mtu; /* MTU for this path */ 61122922Sandre u_long rmx_expire; /* lifetime for route, e.g. redirect */ 62122922Sandre u_long rmx_pksent; /* packets sent using this route */ 63191080Skmacy u_long rmx_weight; /* absolute weight */ 64122922Sandre}; 65122922Sandre 661541Srgrimesstruct rt_metrics { 671541Srgrimes u_long rmx_locks; /* Kernel must leave these values alone */ 681541Srgrimes u_long rmx_mtu; /* MTU for this path */ 691541Srgrimes u_long rmx_hopcount; /* max hops expected */ 701541Srgrimes u_long rmx_expire; /* lifetime for route, e.g. redirect */ 7113765Smpp u_long rmx_recvpipe; /* inbound delay-bandwidth product */ 7213765Smpp u_long rmx_sendpipe; /* outbound delay-bandwidth product */ 731541Srgrimes u_long rmx_ssthresh; /* outbound gateway buffer limit */ 741541Srgrimes u_long rmx_rtt; /* estimated round trip time */ 751541Srgrimes u_long rmx_rttvar; /* estimated rtt variance */ 761541Srgrimes u_long rmx_pksent; /* packets sent using this route */ 77191080Skmacy u_long rmx_weight; /* route weight */ 78191080Skmacy u_long rmx_filler[3]; /* will be used for T/TCP later */ 791541Srgrimes}; 801541Srgrimes 811541Srgrimes/* 821541Srgrimes * rmx_rtt and rmx_rttvar are stored as microseconds; 831541Srgrimes * RTTTOPRHZ(rtt) converts to a value suitable for use 841541Srgrimes * by a protocol slowtimo counter. 851541Srgrimes */ 861541Srgrimes#define RTM_RTTUNIT 1000000 /* units for rtt, rttvar, as units per sec */ 871541Srgrimes#define RTTTOPRHZ(r) ((r) / (RTM_RTTUNIT / PR_SLOWHZ)) 881541Srgrimes 89183200Szec/* MRT compile-time constants */ 90183200Szec#ifdef _KERNEL 91183200Szec #ifndef ROUTETABLES 92183200Szec #define RT_NUMFIBS 1 93183200Szec #define RT_MAXFIBS 1 94183200Szec #else 95183200Szec /* while we use 4 bits in the mbuf flags, we are limited to 16 */ 96183200Szec #define RT_MAXFIBS 16 97183200Szec #if ROUTETABLES > RT_MAXFIBS 98183200Szec #define RT_NUMFIBS RT_MAXFIBS 99183200Szec #error "ROUTETABLES defined too big" 100183200Szec #else 101183200Szec #if ROUTETABLES == 0 102183200Szec #define RT_NUMFIBS 1 103183200Szec #else 104183200Szec #define RT_NUMFIBS ROUTETABLES 105183200Szec #endif 106183200Szec #endif 107183200Szec #endif 108183200Szec#endif 109183200Szec 110178888Sjulianextern u_int rt_numfibs; /* number fo usable routing tables */ 111178888Sjulianextern u_int tunnel_fib; /* tunnels use these */ 112178888Sjulianextern u_int fwd_fib; /* packets being forwarded use these routes */ 1131541Srgrimes/* 1145833Sbde * XXX kernel function pointer `rt_output' is visible to applications. 1155833Sbde */ 1165833Sbdestruct mbuf; 1175833Sbde 1185833Sbde/* 1191541Srgrimes * We distinguish between routes to hosts and routes to networks, 1201541Srgrimes * preferring the former if available. For each route we infer 1211541Srgrimes * the interface to use from the gateway address supplied when 1221541Srgrimes * the route was entered. Routes that forward packets through 1231541Srgrimes * gateways are marked so that the output routines know to address the 1241541Srgrimes * gateway rather than the ultimate destination. 1251541Srgrimes */ 1261541Srgrimes#ifndef RNF_NORMAL 1271541Srgrimes#include <net/radix.h> 128178167Sqingli#ifdef RADIX_MPATH 129178167Sqingli#include <net/radix_mpath.h> 1301541Srgrimes#endif 131178167Sqingli#endif 1321541Srgrimesstruct rtentry { 1331541Srgrimes struct radix_node rt_nodes[2]; /* tree glue, and other values */ 134128454Sluigi /* 135128454Sluigi * XXX struct rtentry must begin with a struct radix_node (or two!) 136128454Sluigi * because the code does some casts of a 'struct radix_node *' 137128454Sluigi * to a 'struct rtentry *' 138128454Sluigi */ 139132780Skan#define rt_key(r) (*((struct sockaddr **)(&(r)->rt_nodes->rn_key))) 140132780Skan#define rt_mask(r) (*((struct sockaddr **)(&(r)->rt_nodes->rn_mask))) 1411541Srgrimes struct sockaddr *rt_gateway; /* value */ 142186119Sqingli int rt_flags; /* up/down?, host/net */ 143186119Sqingli int rt_refcnt; /* # held references */ 1441541Srgrimes struct ifnet *rt_ifp; /* the answer: interface to use */ 145122922Sandre struct ifaddr *rt_ifa; /* the answer: interface address to use */ 146127828Sluigi struct rt_metrics_lite rt_rmx; /* metrics used by rx'ing protocols */ 147178888Sjulian u_int rt_fibnum; /* which FIB */ 148120727Ssam#ifdef _KERNEL 149120727Ssam /* XXX ugly, user apps use this definition but don't have a mtx def */ 150120727Ssam struct mtx rt_mtx; /* mutex for routing entry */ 151120727Ssam#endif 1521541Srgrimes}; 1531541Srgrimes 1541541Srgrimes/* 1551541Srgrimes * Following structure necessary for 4.3 compatibility; 1561541Srgrimes * We should eventually move it to a compat file. 1571541Srgrimes */ 1581541Srgrimesstruct ortentry { 1591541Srgrimes u_long rt_hash; /* to speed lookups */ 1601541Srgrimes struct sockaddr rt_dst; /* key */ 1611541Srgrimes struct sockaddr rt_gateway; /* value */ 1621541Srgrimes short rt_flags; /* up/down?, host/net */ 1631541Srgrimes short rt_refcnt; /* # held references */ 1641541Srgrimes u_long rt_use; /* raw # packets forwarded */ 1651541Srgrimes struct ifnet *rt_ifp; /* the answer: interface to use */ 1661541Srgrimes}; 1671541Srgrimes 1684104Swollman#define rt_use rt_rmx.rmx_pksent 1694104Swollman 1701541Srgrimes#define RTF_UP 0x1 /* route usable */ 1711541Srgrimes#define RTF_GATEWAY 0x2 /* destination is a gateway */ 1721541Srgrimes#define RTF_HOST 0x4 /* host entry (net otherwise) */ 1731541Srgrimes#define RTF_REJECT 0x8 /* host or net unreachable */ 1741541Srgrimes#define RTF_DYNAMIC 0x10 /* created dynamically (by redirect) */ 1751541Srgrimes#define RTF_MODIFIED 0x20 /* modified dynamically (by redirect) */ 1761541Srgrimes#define RTF_DONE 0x40 /* message confirmed */ 17786764Sjlemon/* 0x80 unused, was RTF_DELCLONE */ 178186119Sqingli/* 0x100 unused, was RTF_CLONING */ 1791541Srgrimes#define RTF_XRESOLVE 0x200 /* external daemon resolves name */ 180187094Sqingli#define RTF_LLINFO 0x400 /* DEPRECATED - exists ONLY for backward 181187094Sqingli compatibility */ 182186500Sqingli#define RTF_LLDATA 0x400 /* used by apps to add/del L2 entries */ 1831541Srgrimes#define RTF_STATIC 0x800 /* manually added */ 1841541Srgrimes#define RTF_BLACKHOLE 0x1000 /* just discard pkts (during updates) */ 1851541Srgrimes#define RTF_PROTO2 0x4000 /* protocol specific routing flag */ 1861541Srgrimes#define RTF_PROTO1 0x8000 /* protocol specific routing flag */ 1871541Srgrimes 188122921Sandre/* XXX: temporary to stay API/ABI compatible with userland */ 189122921Sandre#ifndef _KERNEL 190122921Sandre#define RTF_PRCLONING 0x10000 /* unused, for compatibility */ 191122921Sandre#endif 192122921Sandre 193186119Sqingli/* 0x20000 unused, was RTF_WASCLONED */ 1945099Swollman#define RTF_PROTO3 0x40000 /* protocol specific routing flag */ 19518839Swollman/* 0x80000 unused */ 1966245Swollman#define RTF_PINNED 0x100000 /* future use */ 19715652Swollman#define RTF_LOCAL 0x200000 /* route represents a local address */ 19815652Swollman#define RTF_BROADCAST 0x400000 /* route represents a bcast address */ 19915652Swollman#define RTF_MULTICAST 0x800000 /* route represents a mcast address */ 200191080Skmacy /* 0x8000000 and up unassigned */ 201191080Skmacy#define RTF_STICKY 0x10000000 /* always route dst->src */ 2021541Srgrimes 203191080Skmacy#define RTF_RNH_LOCKED 0x40000000 /* radix node head is locked */ 204191080Skmacy 205156750Sandre/* Mask of RTF flags that are allowed to be modified by RTM_CHANGE. */ 206156750Sandre#define RTF_FMASK \ 207156750Sandre (RTF_PROTO1 | RTF_PROTO2 | RTF_PROTO3 | RTF_BLACKHOLE | \ 208191080Skmacy RTF_REJECT | RTF_STATIC | RTF_STICKY) 209156750Sandre 2101541Srgrimes/* 2111541Srgrimes * Routing statistics. 2121541Srgrimes */ 2131541Srgrimesstruct rtstat { 2141541Srgrimes short rts_badredirect; /* bogus redirect calls */ 2151541Srgrimes short rts_dynamic; /* routes created by redirects */ 2161541Srgrimes short rts_newgateway; /* routes modified by redirects */ 2171541Srgrimes short rts_unreach; /* lookups which failed */ 2181541Srgrimes short rts_wildcard; /* lookups satisfied by a wildcard */ 2191541Srgrimes}; 2201541Srgrimes/* 2211541Srgrimes * Structures for routing messages. 2221541Srgrimes */ 2231541Srgrimesstruct rt_msghdr { 2241541Srgrimes u_short rtm_msglen; /* to skip over non-understood messages */ 2251541Srgrimes u_char rtm_version; /* future binary compatibility */ 2261541Srgrimes u_char rtm_type; /* message type */ 2271541Srgrimes u_short rtm_index; /* index for associated ifp */ 2281541Srgrimes int rtm_flags; /* flags, incl. kern & message, e.g. DONE */ 2291541Srgrimes int rtm_addrs; /* bitmask identifying sockaddrs in msg */ 2301541Srgrimes pid_t rtm_pid; /* identify sender */ 2311541Srgrimes int rtm_seq; /* for sender to identify action */ 2321541Srgrimes int rtm_errno; /* why failed */ 233156750Sandre int rtm_fmask; /* bitmask used in RTM_CHANGE message */ 2341541Srgrimes u_long rtm_inits; /* which metrics we are initializing */ 2351541Srgrimes struct rt_metrics rtm_rmx; /* metrics themselves */ 2361541Srgrimes}; 2371541Srgrimes 238191124Skmacy#define RTM_VERSION 5 /* Up the ante and ignore older versions */ 2391541Srgrimes 24051252Sru/* 24151252Sru * Message types. 24251252Sru */ 2431541Srgrimes#define RTM_ADD 0x1 /* Add Route */ 2441541Srgrimes#define RTM_DELETE 0x2 /* Delete Route */ 2451541Srgrimes#define RTM_CHANGE 0x3 /* Change Metrics or flags */ 2461541Srgrimes#define RTM_GET 0x4 /* Report Metrics */ 2471541Srgrimes#define RTM_LOSING 0x5 /* Kernel Suspects Partitioning */ 2481541Srgrimes#define RTM_REDIRECT 0x6 /* Told to use different route */ 2491541Srgrimes#define RTM_MISS 0x7 /* Lookup failed on this address */ 2501541Srgrimes#define RTM_LOCK 0x8 /* fix specified metrics */ 2511541Srgrimes#define RTM_OLDADD 0x9 /* caused by SIOCADDRT */ 2521541Srgrimes#define RTM_OLDDEL 0xa /* caused by SIOCDELRT */ 2531541Srgrimes#define RTM_RESOLVE 0xb /* req to resolve dst to LL addr */ 2541541Srgrimes#define RTM_NEWADDR 0xc /* address being added to iface */ 2551541Srgrimes#define RTM_DELADDR 0xd /* address being removed from iface */ 2561541Srgrimes#define RTM_IFINFO 0xe /* iface going up/down etc. */ 25721666Swollman#define RTM_NEWMADDR 0xf /* mcast group membership being added to if */ 25821666Swollman#define RTM_DELMADDR 0x10 /* mcast group membership being deleted */ 25989498Sru#define RTM_IFANNOUNCE 0x11 /* iface arrival/departure */ 260136155Ssam#define RTM_IEEE80211 0x12 /* IEEE80211 wireless event */ 2611541Srgrimes 26251252Sru/* 26351252Sru * Bitmask values for rtm_inits and rmx_locks. 26451252Sru */ 2651541Srgrimes#define RTV_MTU 0x1 /* init or lock _mtu */ 2661541Srgrimes#define RTV_HOPCOUNT 0x2 /* init or lock _hopcount */ 26751252Sru#define RTV_EXPIRE 0x4 /* init or lock _expire */ 2681541Srgrimes#define RTV_RPIPE 0x8 /* init or lock _recvpipe */ 2691541Srgrimes#define RTV_SPIPE 0x10 /* init or lock _sendpipe */ 2701541Srgrimes#define RTV_SSTHRESH 0x20 /* init or lock _ssthresh */ 2711541Srgrimes#define RTV_RTT 0x40 /* init or lock _rtt */ 2721541Srgrimes#define RTV_RTTVAR 0x80 /* init or lock _rttvar */ 273191080Skmacy#define RTV_WEIGHT 0x100 /* init or lock _weight */ 2741541Srgrimes 2751541Srgrimes/* 27651252Sru * Bitmask values for rtm_addrs. 2771541Srgrimes */ 2781541Srgrimes#define RTA_DST 0x1 /* destination sockaddr present */ 2791541Srgrimes#define RTA_GATEWAY 0x2 /* gateway sockaddr present */ 2801541Srgrimes#define RTA_NETMASK 0x4 /* netmask sockaddr present */ 2811541Srgrimes#define RTA_GENMASK 0x8 /* cloning mask sockaddr present */ 2821541Srgrimes#define RTA_IFP 0x10 /* interface name sockaddr present */ 2831541Srgrimes#define RTA_IFA 0x20 /* interface addr sockaddr present */ 2841541Srgrimes#define RTA_AUTHOR 0x40 /* sockaddr for author of redirect */ 2851541Srgrimes#define RTA_BRD 0x80 /* for NEWADDR, broadcast or p-p dest addr */ 2861541Srgrimes 2871541Srgrimes/* 2881541Srgrimes * Index offsets for sockaddr array for alternate internal encoding. 2891541Srgrimes */ 2901541Srgrimes#define RTAX_DST 0 /* destination sockaddr present */ 2911541Srgrimes#define RTAX_GATEWAY 1 /* gateway sockaddr present */ 2921541Srgrimes#define RTAX_NETMASK 2 /* netmask sockaddr present */ 2931541Srgrimes#define RTAX_GENMASK 3 /* cloning mask sockaddr present */ 2941541Srgrimes#define RTAX_IFP 4 /* interface name sockaddr present */ 2951541Srgrimes#define RTAX_IFA 5 /* interface addr sockaddr present */ 2961541Srgrimes#define RTAX_AUTHOR 6 /* sockaddr for author of redirect */ 2971541Srgrimes#define RTAX_BRD 7 /* for NEWADDR, broadcast or p-p dest addr */ 2981541Srgrimes#define RTAX_MAX 8 /* size of array to allocate */ 2991541Srgrimes 3001541Srgrimesstruct rt_addrinfo { 3011541Srgrimes int rti_addrs; 3021541Srgrimes struct sockaddr *rti_info[RTAX_MAX]; 30385074Sru int rti_flags; 30485074Sru struct ifaddr *rti_ifa; 30585074Sru struct ifnet *rti_ifp; 3061541Srgrimes}; 3071541Srgrimes 308128185Sluigi/* 309128185Sluigi * This macro returns the size of a struct sockaddr when passed 310128185Sluigi * through a routing socket. Basically we round up sa_len to 311128185Sluigi * a multiple of sizeof(long), with a minimum of sizeof(long). 312128185Sluigi * The check for a NULL pointer is just a convenience, probably never used. 313128185Sluigi * The case sa_len == 0 should only apply to empty structures. 314128185Sluigi */ 315128185Sluigi#define SA_SIZE(sa) \ 316128185Sluigi ( (!(sa) || ((struct sockaddr *)(sa))->sa_len == 0) ? \ 317128185Sluigi sizeof(long) : \ 318128185Sluigi 1 + ( (((struct sockaddr *)(sa))->sa_len - 1) | (sizeof(long) - 1) ) ) 319128185Sluigi 32055205Speter#ifdef _KERNEL 321117752Shsu 322205222Sqingli#define RT_LINK_IS_UP(ifp) (!((ifp)->if_capabilities & IFCAP_LINKSTATE) \ 323205024Sqingli || (ifp)->if_link_state == LINK_STATE_UP) 324204902Sqingli 325120727Ssam#define RT_LOCK_INIT(_rt) \ 326120727Ssam mtx_init(&(_rt)->rt_mtx, "rtentry", NULL, MTX_DEF | MTX_DUPOK) 327120727Ssam#define RT_LOCK(_rt) mtx_lock(&(_rt)->rt_mtx) 328174934Smux#define RT_TRYLOCK(_rt) mtx_trylock(&(_rt)->rt_mtx) 329120727Ssam#define RT_UNLOCK(_rt) mtx_unlock(&(_rt)->rt_mtx) 330120727Ssam#define RT_LOCK_DESTROY(_rt) mtx_destroy(&(_rt)->rt_mtx) 331120727Ssam#define RT_LOCK_ASSERT(_rt) mtx_assert(&(_rt)->rt_mtx, MA_OWNED) 332117752Shsu 333122334Ssam#define RT_ADDREF(_rt) do { \ 334122334Ssam RT_LOCK_ASSERT(_rt); \ 335122334Ssam KASSERT((_rt)->rt_refcnt >= 0, \ 336186119Sqingli ("negative refcnt %d", (_rt)->rt_refcnt)); \ 337122334Ssam (_rt)->rt_refcnt++; \ 338150130Sandre} while (0) 339182801Sjulian 340122334Ssam#define RT_REMREF(_rt) do { \ 341122334Ssam RT_LOCK_ASSERT(_rt); \ 342122334Ssam KASSERT((_rt)->rt_refcnt > 0, \ 343186119Sqingli ("bogus refcnt %d", (_rt)->rt_refcnt)); \ 344122334Ssam (_rt)->rt_refcnt--; \ 345150130Sandre} while (0) 346122334Ssam 347122334Ssam#define RTFREE_LOCKED(_rt) do { \ 348183017Sjulian if ((_rt)->rt_refcnt <= 1) \ 349183017Sjulian rtfree(_rt); \ 350183017Sjulian else { \ 351183017Sjulian RT_REMREF(_rt); \ 352183017Sjulian RT_UNLOCK(_rt); \ 353183017Sjulian } \ 354183017Sjulian /* guard against invalid refs */ \ 355183017Sjulian _rt = 0; \ 356183017Sjulian} while (0) 357182801Sjulian 358122334Ssam#define RTFREE(_rt) do { \ 359183017Sjulian RT_LOCK(_rt); \ 360183017Sjulian RTFREE_LOCKED(_rt); \ 361183017Sjulian} while (0) 3621541Srgrimes 363183017Sjulian#define RT_TEMP_UNLOCK(_rt) do { \ 364183017Sjulian RT_ADDREF(_rt); \ 365183017Sjulian RT_UNLOCK(_rt); \ 366183017Sjulian} while (0) 367183017Sjulian 368183017Sjulian#define RT_RELOCK(_rt) do { \ 369183017Sjulian RT_LOCK(_rt); \ 370183017Sjulian if ((_rt)->rt_refcnt <= 1) { \ 371183017Sjulian rtfree(_rt); \ 372183017Sjulian _rt = 0; /* signal that it went away */ \ 373183017Sjulian } else { \ 374183017Sjulian RT_REMREF(_rt); \ 375183017Sjulian /* note that _rt is still valid */ \ 376183017Sjulian } \ 377183017Sjulian} while (0) 378183017Sjulian 379193232Sbzstruct radix_node_head *rt_tables_get_rnh(int, int); 3801541Srgrimes 38121666Swollmanstruct ifmultiaddr; 38221666Swollman 383136155Ssamvoid rt_ieee80211msg(struct ifnet *, int, void *, size_t); 38492725Salfredvoid rt_ifannouncemsg(struct ifnet *, int); 38592725Salfredvoid rt_ifmsg(struct ifnet *); 38692725Salfredvoid rt_missmsg(int, struct rt_addrinfo *, int, int); 38792725Salfredvoid rt_newaddrmsg(int, struct ifaddr *, int, struct rtentry *); 38892725Salfredvoid rt_newmaddrmsg(int, struct ifmultiaddr *); 38992725Salfredint rt_setgate(struct rtentry *, struct sockaddr *, struct sockaddr *); 390201282Sqinglivoid rt_maskedcopy(struct sockaddr *, struct sockaddr *, struct sockaddr *); 391128621Sluigi 392128621Sluigi/* 393128621Sluigi * Note the following locking behavior: 394128621Sluigi * 395128621Sluigi * rtalloc_ign() and rtalloc() return ro->ro_rt unlocked 396128621Sluigi * 397128621Sluigi * rtalloc1() returns a locked rtentry 398128621Sluigi * 399128621Sluigi * rtfree() and RTFREE_LOCKED() require a locked rtentry 400128621Sluigi * 401128621Sluigi * RTFREE() uses an unlocked entry. 402128621Sluigi */ 403128621Sluigi 404178888Sjulianint rtexpunge(struct rtentry *); 405178888Sjulianvoid rtfree(struct rtentry *); 406183013Sjulianint rt_check(struct rtentry **, struct rtentry **, struct sockaddr *); 407178888Sjulian 408178888Sjulian/* XXX MRT COMPAT VERSIONS THAT SET UNIVERSE to 0 */ 409178888Sjulian/* Thes are used by old code not yet converted to use multiple FIBS */ 410178888Sjulianint rt_getifa(struct rt_addrinfo *); 411128621Sluigivoid rtalloc_ign(struct route *ro, u_long ignflags); 412128621Sluigivoid rtalloc(struct route *ro); /* XXX deprecated, use rtalloc_ign(ro, 0) */ 413120727Ssamstruct rtentry *rtalloc1(struct sockaddr *, int, u_long); 41492725Salfredint rtinit(struct ifaddr *, int, int); 41592725Salfredint rtioctl(u_long, caddr_t); 41692725Salfredvoid rtredirect(struct sockaddr *, struct sockaddr *, 417120727Ssam struct sockaddr *, int, struct sockaddr *); 41892725Salfredint rtrequest(int, struct sockaddr *, 41992725Salfred struct sockaddr *, struct sockaddr *, int, struct rtentry **); 420174559Skmacy 421178888Sjulian/* defaults to "all" FIBs */ 422178888Sjulianint rtinit_fib(struct ifaddr *, int, int); 423178888Sjulian 424178888Sjulian/* XXX MRT NEW VERSIONS THAT USE FIBs 425178888Sjulian * For now the protocol indepedent versions are the same as the AF_INET ones 426178888Sjulian * but this will change.. 427178888Sjulian */ 428178888Sjulianint rt_getifa_fib(struct rt_addrinfo *, u_int fibnum); 429178888Sjulianvoid rtalloc_ign_fib(struct route *ro, u_long ignflags, u_int fibnum); 430178888Sjulianvoid rtalloc_fib(struct route *ro, u_int fibnum); 431178888Sjulianstruct rtentry *rtalloc1_fib(struct sockaddr *, int, u_long, u_int); 432178888Sjulianint rtioctl_fib(u_long, caddr_t, u_int); 433178888Sjulianvoid rtredirect_fib(struct sockaddr *, struct sockaddr *, 434178888Sjulian struct sockaddr *, int, struct sockaddr *, u_int); 435178888Sjulianint rtrequest_fib(int, struct sockaddr *, 436178888Sjulian struct sockaddr *, struct sockaddr *, int, struct rtentry **, u_int); 437178888Sjulianint rtrequest1_fib(int, struct rt_addrinfo *, struct rtentry **, u_int); 438178888Sjulian 439174559Skmacy#include <sys/eventhandler.h> 440174703Skmacytypedef void (*rtevent_arp_update_fn)(void *, struct rtentry *, uint8_t *, struct sockaddr *); 441174703Skmacytypedef void (*rtevent_redirect_fn)(void *, struct rtentry *, struct rtentry *, struct sockaddr *); 442196995Snp/* route_arp_update_event is no longer generated; see arp_update_event */ 443174703SkmacyEVENTHANDLER_DECLARE(route_arp_update_event, rtevent_arp_update_fn); 444174703SkmacyEVENTHANDLER_DECLARE(route_redirect_event, rtevent_redirect_fn); 4451541Srgrimes#endif 4462168Spaul 4472168Spaul#endif 448