nd6.h revision 1.50.24.2
1 1.50.24.2 yamt /* $NetBSD: nd6.h,v 1.50.24.2 2010/03/11 15:04:30 yamt Exp $ */ 2 1.31 itojun /* $KAME: nd6.h,v 1.95 2002/06/08 11:31:06 itojun Exp $ */ 3 1.3 thorpej 4 1.2 itojun /* 5 1.2 itojun * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 6 1.2 itojun * All rights reserved. 7 1.11 itojun * 8 1.2 itojun * Redistribution and use in source and binary forms, with or without 9 1.2 itojun * modification, are permitted provided that the following conditions 10 1.2 itojun * are met: 11 1.2 itojun * 1. Redistributions of source code must retain the above copyright 12 1.2 itojun * notice, this list of conditions and the following disclaimer. 13 1.2 itojun * 2. Redistributions in binary form must reproduce the above copyright 14 1.2 itojun * notice, this list of conditions and the following disclaimer in the 15 1.2 itojun * documentation and/or other materials provided with the distribution. 16 1.2 itojun * 3. Neither the name of the project nor the names of its contributors 17 1.2 itojun * may be used to endorse or promote products derived from this software 18 1.2 itojun * without specific prior written permission. 19 1.11 itojun * 20 1.2 itojun * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 21 1.2 itojun * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 1.2 itojun * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 1.2 itojun * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 24 1.2 itojun * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 1.2 itojun * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 1.2 itojun * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 1.2 itojun * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 1.2 itojun * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 1.2 itojun * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 1.2 itojun * SUCH DAMAGE. 31 1.2 itojun */ 32 1.2 itojun 33 1.2 itojun #ifndef _NETINET6_ND6_H_ 34 1.2 itojun #define _NETINET6_ND6_H_ 35 1.2 itojun 36 1.9 itojun /* see net/route.h, or net/if_inarp.h */ 37 1.9 itojun #ifndef RTF_ANNOUNCE 38 1.9 itojun #define RTF_ANNOUNCE RTF_PROTO2 39 1.9 itojun #endif 40 1.9 itojun 41 1.2 itojun #include <sys/queue.h> 42 1.10 thorpej #include <sys/callout.h> 43 1.2 itojun 44 1.2 itojun struct llinfo_nd6 { 45 1.2 itojun struct llinfo_nd6 *ln_next; 46 1.2 itojun struct llinfo_nd6 *ln_prev; 47 1.2 itojun struct rtentry *ln_rt; 48 1.2 itojun struct mbuf *ln_hold; /* last packet until resolved/timeout */ 49 1.2 itojun long ln_asked; /* number of queries already sent for this addr */ 50 1.2 itojun u_long ln_expire; /* lifetime for NDP state transition */ 51 1.2 itojun short ln_state; /* reachability state */ 52 1.2 itojun short ln_router; /* 2^0: ND6 router bit */ 53 1.15 itojun int ln_byhint; /* # of times we made it reachable by UL hint */ 54 1.35 itojun 55 1.35 itojun long ln_ntick; 56 1.35 itojun struct callout ln_timer_ch; 57 1.2 itojun }; 58 1.2 itojun 59 1.2 itojun #define ND6_LLINFO_NOSTATE -2 60 1.19 itojun /* 61 1.19 itojun * We don't need the WAITDELETE state any more, but we keep the definition 62 1.19 itojun * in a comment line instead of removing it. This is necessary to avoid 63 1.19 itojun * unintentionally reusing the value for another purpose, which might 64 1.19 itojun * affect backward compatibility with old applications. 65 1.19 itojun * (20000711 jinmei (at) kame.net) 66 1.19 itojun */ 67 1.19 itojun /* #define ND6_LLINFO_WAITDELETE -1 */ 68 1.2 itojun #define ND6_LLINFO_INCOMPLETE 0 69 1.2 itojun #define ND6_LLINFO_REACHABLE 1 70 1.2 itojun #define ND6_LLINFO_STALE 2 71 1.2 itojun #define ND6_LLINFO_DELAY 3 72 1.2 itojun #define ND6_LLINFO_PROBE 4 73 1.2 itojun 74 1.6 itojun #define ND6_IS_LLINFO_PROBREACH(n) ((n)->ln_state > ND6_LLINFO_INCOMPLETE) 75 1.41 rpaulo #define ND6_LLINFO_PERMANENT(n) (((n)->ln_expire == 0) && ((n)->ln_state > ND6_LLINFO_INCOMPLETE)) 76 1.26 itojun 77 1.2 itojun struct nd_ifinfo { 78 1.2 itojun u_int32_t linkmtu; /* LinkMTU */ 79 1.2 itojun u_int32_t maxmtu; /* Upper bound of LinkMTU */ 80 1.2 itojun u_int32_t basereachable; /* BaseReachableTime */ 81 1.2 itojun u_int32_t reachable; /* Reachable Time */ 82 1.2 itojun u_int32_t retrans; /* Retrans Timer */ 83 1.12 itojun u_int32_t flags; /* Flags */ 84 1.6 itojun int recalctm; /* BaseReacable re-calculation timer */ 85 1.2 itojun u_int8_t chlim; /* CurHopLimit */ 86 1.26 itojun u_int8_t initialized; /* Flag to see the entry is initialized */ 87 1.26 itojun /* the following 3 members are for privacy extension for addrconf */ 88 1.26 itojun u_int8_t randomseed0[8]; /* upper 64 bits of MD5 digest */ 89 1.26 itojun u_int8_t randomseed1[8]; /* lower 64 bits (usually the EUI64 IFID) */ 90 1.26 itojun u_int8_t randomid[8]; /* current random ID */ 91 1.2 itojun }; 92 1.12 itojun 93 1.50.24.2 yamt #define ND6_IFF_PERFORMNUD 0x01 94 1.50.24.2 yamt #define ND6_IFF_ACCEPT_RTADV 0x02 /* See "RTADV Key", below. */ 95 1.50.24.2 yamt #define ND6_IFF_PREFER_SOURCE 0x04 /* XXX: not related to ND. */ 96 1.50.24.2 yamt #define ND6_IFF_IFDISABLED 0x08 /* IPv6 operation is disabled due to 97 1.50.24.2 yamt * DAD failure. (XXX: not ND-specific) 98 1.50.24.2 yamt */ 99 1.50.24.2 yamt #define ND6_IFF_OVERRIDE_RTADV 0x10 /* See "RTADV Key", below. */ 100 1.50.24.2 yamt 101 1.50.24.2 yamt /* 102 1.50.24.2 yamt * RTADV Key 103 1.50.24.2 yamt * 104 1.50.24.2 yamt * The flags ND6_IFF_ACCEPT_RTADV and ND6_IFF_OVERRIDE_RTADV form a 105 1.50.24.2 yamt * tri-state variable. (There are actually four different states, but 106 1.50.24.2 yamt * two of the states are functionally identical.) 107 1.50.24.2 yamt * 108 1.50.24.2 yamt * ND6_IFF_OVERRIDE_RTADV or 0: This interface does not accept 109 1.50.24.2 yamt * Router Advertisements. 110 1.50.24.2 yamt * 111 1.50.24.2 yamt * ND6_IFF_OVERRIDE_RTADV| 112 1.50.24.2 yamt * ND6_IFF_ACCEPT_RTADV: This interface accepts Router 113 1.50.24.2 yamt * Advertisements regardless of the 114 1.50.24.2 yamt * global setting, ip6_accept_rtadv. 115 1.50.24.2 yamt * 116 1.50.24.2 yamt * ND6_IFF_ACCEPT_RTADV: This interface follows the global setting, 117 1.50.24.2 yamt * ip6_accept_rtadv. If ip6_accept_rtadv == 0, 118 1.50.24.2 yamt * this interface does not accept Router 119 1.50.24.2 yamt * Advertisements. If ip6_accept_rtadv != 0, 120 1.50.24.2 yamt * this interface does accept them. 121 1.50.24.2 yamt */ 122 1.2 itojun 123 1.26 itojun #ifdef _KERNEL 124 1.26 itojun #define ND_IFINFO(ifp) \ 125 1.26 itojun (((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->nd_ifinfo) 126 1.26 itojun #define IN6_LINKMTU(ifp) \ 127 1.26 itojun ((ND_IFINFO(ifp)->linkmtu && ND_IFINFO(ifp)->linkmtu < (ifp)->if_mtu) \ 128 1.29 itojun ? ND_IFINFO(ifp)->linkmtu \ 129 1.30 itojun : ((ND_IFINFO(ifp)->maxmtu && ND_IFINFO(ifp)->maxmtu < (ifp)->if_mtu) \ 130 1.29 itojun ? ND_IFINFO(ifp)->maxmtu : (ifp)->if_mtu)) 131 1.26 itojun #endif 132 1.26 itojun 133 1.2 itojun struct in6_nbrinfo { 134 1.2 itojun char ifname[IFNAMSIZ]; /* if name, e.g. "en0" */ 135 1.2 itojun struct in6_addr addr; /* IPv6 address of the neighbor */ 136 1.2 itojun long asked; /* number of queries already sent for this addr */ 137 1.2 itojun int isrouter; /* if it acts as a router */ 138 1.2 itojun int state; /* reachability state */ 139 1.2 itojun int expire; /* lifetime for NDP state transition */ 140 1.2 itojun }; 141 1.2 itojun 142 1.2 itojun #define DRLSTSIZ 10 143 1.2 itojun #define PRLSTSIZ 10 144 1.2 itojun struct in6_drlist { 145 1.2 itojun char ifname[IFNAMSIZ]; 146 1.2 itojun struct { 147 1.2 itojun struct in6_addr rtaddr; 148 1.2 itojun u_char flags; 149 1.2 itojun u_short rtlifetime; 150 1.2 itojun u_long expire; 151 1.2 itojun u_short if_index; 152 1.2 itojun } defrouter[DRLSTSIZ]; 153 1.2 itojun }; 154 1.2 itojun 155 1.31 itojun struct in6_defrouter { 156 1.31 itojun struct sockaddr_in6 rtaddr; 157 1.31 itojun u_char flags; 158 1.31 itojun u_short rtlifetime; 159 1.31 itojun u_long expire; 160 1.31 itojun u_short if_index; 161 1.31 itojun }; 162 1.31 itojun 163 1.31 itojun #ifdef _KERNEL 164 1.31 itojun struct in6_oprlist { 165 1.31 itojun char ifname[IFNAMSIZ]; 166 1.31 itojun struct { 167 1.31 itojun struct in6_addr prefix; 168 1.31 itojun struct prf_ra raflags; 169 1.31 itojun u_char prefixlen; 170 1.31 itojun u_char origin; 171 1.31 itojun u_long vltime; 172 1.31 itojun u_long pltime; 173 1.31 itojun u_long expire; 174 1.31 itojun u_short if_index; 175 1.31 itojun u_short advrtrs; /* number of advertisement routers */ 176 1.31 itojun struct in6_addr advrtr[DRLSTSIZ]; /* XXX: explicit limit */ 177 1.31 itojun } prefix[PRLSTSIZ]; 178 1.31 itojun }; 179 1.31 itojun #endif 180 1.31 itojun 181 1.2 itojun struct in6_prlist { 182 1.2 itojun char ifname[IFNAMSIZ]; 183 1.2 itojun struct { 184 1.2 itojun struct in6_addr prefix; 185 1.2 itojun struct prf_ra raflags; 186 1.2 itojun u_char prefixlen; 187 1.9 itojun u_char origin; 188 1.31 itojun u_int32_t vltime; 189 1.31 itojun u_int32_t pltime; 190 1.31 itojun time_t expire; 191 1.2 itojun u_short if_index; 192 1.2 itojun u_short advrtrs; /* number of advertisement routers */ 193 1.2 itojun struct in6_addr advrtr[DRLSTSIZ]; /* XXX: explicit limit */ 194 1.2 itojun } prefix[PRLSTSIZ]; 195 1.2 itojun }; 196 1.2 itojun 197 1.31 itojun struct in6_prefix { 198 1.31 itojun struct sockaddr_in6 prefix; 199 1.31 itojun struct prf_ra raflags; 200 1.31 itojun u_char prefixlen; 201 1.31 itojun u_char origin; 202 1.31 itojun u_int32_t vltime; 203 1.31 itojun u_int32_t pltime; 204 1.31 itojun time_t expire; 205 1.31 itojun u_int32_t flags; 206 1.31 itojun int refcnt; 207 1.31 itojun u_short if_index; 208 1.31 itojun u_short advrtrs; /* number of advertisement routers */ 209 1.31 itojun /* struct sockaddr_in6 advrtr[] */ 210 1.31 itojun }; 211 1.31 itojun 212 1.26 itojun #ifdef _KERNEL 213 1.26 itojun struct in6_ondireq { 214 1.26 itojun char ifname[IFNAMSIZ]; 215 1.26 itojun struct { 216 1.26 itojun u_int32_t linkmtu; /* LinkMTU */ 217 1.26 itojun u_int32_t maxmtu; /* Upper bound of LinkMTU */ 218 1.26 itojun u_int32_t basereachable; /* BaseReachableTime */ 219 1.26 itojun u_int32_t reachable; /* Reachable Time */ 220 1.26 itojun u_int32_t retrans; /* Retrans Timer */ 221 1.26 itojun u_int32_t flags; /* Flags */ 222 1.26 itojun int recalctm; /* BaseReacable re-calculation timer */ 223 1.26 itojun u_int8_t chlim; /* CurHopLimit */ 224 1.26 itojun u_int8_t receivedra; 225 1.26 itojun } ndi; 226 1.26 itojun }; 227 1.26 itojun #endif 228 1.26 itojun 229 1.2 itojun struct in6_ndireq { 230 1.2 itojun char ifname[IFNAMSIZ]; 231 1.2 itojun struct nd_ifinfo ndi; 232 1.2 itojun }; 233 1.2 itojun 234 1.6 itojun struct in6_ndifreq { 235 1.6 itojun char ifname[IFNAMSIZ]; 236 1.6 itojun u_long ifindex; 237 1.6 itojun }; 238 1.6 itojun 239 1.31 itojun /* Prefix status */ 240 1.31 itojun #define NDPRF_ONLINK 0x1 241 1.31 itojun #define NDPRF_DETACHED 0x2 242 1.31 itojun #define NDPRF_HOME 0x4 243 1.6 itojun 244 1.2 itojun /* protocol constants */ 245 1.24 itojun #define MAX_RTR_SOLICITATION_DELAY 1 /* 1sec */ 246 1.24 itojun #define RTR_SOLICITATION_INTERVAL 4 /* 4sec */ 247 1.2 itojun #define MAX_RTR_SOLICITATIONS 3 248 1.2 itojun 249 1.50.24.1 yamt #define ND6_INFINITE_LIFETIME ((u_int32_t)~0) 250 1.2 itojun 251 1.2 itojun #ifdef _KERNEL 252 1.2 itojun /* node constants */ 253 1.2 itojun #define MAX_REACHABLE_TIME 3600000 /* msec */ 254 1.2 itojun #define REACHABLE_TIME 30000 /* msec */ 255 1.2 itojun #define RETRANS_TIMER 1000 /* msec */ 256 1.2 itojun #define MIN_RANDOM_FACTOR 512 /* 1024 * 0.5 */ 257 1.2 itojun #define MAX_RANDOM_FACTOR 1536 /* 1024 * 1.5 */ 258 1.41 rpaulo #define DEF_TEMP_VALID_LIFETIME 604800 /* 1 week */ 259 1.41 rpaulo #define DEF_TEMP_PREFERRED_LIFETIME 86400 /* 1 day */ 260 1.41 rpaulo #define TEMPADDR_REGEN_ADVANCE 5 /* sec */ 261 1.41 rpaulo #define MAX_TEMP_DESYNC_FACTOR 600 /* 10 min */ 262 1.2 itojun #define ND_COMPUTE_RTIME(x) \ 263 1.25 itojun (((MIN_RANDOM_FACTOR * (x >> 10)) + (arc4random() & \ 264 1.2 itojun ((MAX_RANDOM_FACTOR - MIN_RANDOM_FACTOR) * (x >> 10)))) /1000) 265 1.2 itojun 266 1.6 itojun TAILQ_HEAD(nd_drhead, nd_defrouter); 267 1.2 itojun struct nd_defrouter { 268 1.6 itojun TAILQ_ENTRY(nd_defrouter) dr_entry; 269 1.2 itojun struct in6_addr rtaddr; 270 1.31 itojun u_char flags; /* flags on RA message */ 271 1.2 itojun u_short rtlifetime; 272 1.2 itojun u_long expire; 273 1.2 itojun struct ifnet *ifp; 274 1.31 itojun int installed; /* is installed into kernel routing table */ 275 1.2 itojun }; 276 1.2 itojun 277 1.41 rpaulo struct nd_prefixctl { 278 1.41 rpaulo struct ifnet *ndpr_ifp; 279 1.41 rpaulo 280 1.41 rpaulo /* prefix */ 281 1.41 rpaulo struct sockaddr_in6 ndpr_prefix; 282 1.41 rpaulo u_char ndpr_plen; 283 1.41 rpaulo 284 1.41 rpaulo u_int32_t ndpr_vltime; /* advertised valid lifetime */ 285 1.41 rpaulo u_int32_t ndpr_pltime; /* advertised preferred lifetime */ 286 1.41 rpaulo 287 1.41 rpaulo struct prf_ra ndpr_flags; 288 1.41 rpaulo }; 289 1.41 rpaulo 290 1.2 itojun struct nd_prefix { 291 1.6 itojun struct ifnet *ndpr_ifp; 292 1.2 itojun LIST_ENTRY(nd_prefix) ndpr_entry; 293 1.2 itojun struct sockaddr_in6 ndpr_prefix; /* prefix */ 294 1.2 itojun struct in6_addr ndpr_mask; /* netmask derived from the prefix */ 295 1.31 itojun 296 1.2 itojun u_int32_t ndpr_vltime; /* advertised valid lifetime */ 297 1.2 itojun u_int32_t ndpr_pltime; /* advertised preferred lifetime */ 298 1.31 itojun 299 1.2 itojun time_t ndpr_expire; /* expiration time of the prefix */ 300 1.2 itojun time_t ndpr_preferred; /* preferred time of the prefix */ 301 1.31 itojun time_t ndpr_lastupdate; /* reception time of last advertisement */ 302 1.31 itojun 303 1.6 itojun struct prf_ra ndpr_flags; 304 1.31 itojun u_int32_t ndpr_stateflags; /* actual state flags */ 305 1.2 itojun /* list of routers that advertise the prefix: */ 306 1.2 itojun LIST_HEAD(pr_rtrhead, nd_pfxrouter) ndpr_advrtrs; 307 1.6 itojun u_char ndpr_plen; 308 1.31 itojun int ndpr_refcnt; /* reference couter from addresses */ 309 1.2 itojun }; 310 1.2 itojun 311 1.6 itojun #define ndpr_raf ndpr_flags 312 1.6 itojun #define ndpr_raf_onlink ndpr_flags.onlink 313 1.6 itojun #define ndpr_raf_auto ndpr_flags.autonomous 314 1.31 itojun #define ndpr_raf_router ndpr_flags.router 315 1.2 itojun 316 1.2 itojun /* 317 1.2 itojun * Message format for use in obtaining information about prefixes 318 1.2 itojun * from inet6 sysctl function 319 1.2 itojun */ 320 1.2 itojun struct inet6_ndpr_msghdr { 321 1.2 itojun u_short inpm_msglen; /* to skip over non-understood messages */ 322 1.21 wiz u_char inpm_version; /* future binary compatibility */ 323 1.2 itojun u_char inpm_type; /* message type */ 324 1.2 itojun struct in6_addr inpm_prefix; 325 1.2 itojun u_long prm_vltim; 326 1.2 itojun u_long prm_pltime; 327 1.2 itojun u_long prm_expire; 328 1.2 itojun u_long prm_preferred; 329 1.2 itojun struct in6_prflags prm_flags; 330 1.2 itojun u_short prm_index; /* index for associated ifp */ 331 1.2 itojun u_char prm_plen; /* length of prefix in bits */ 332 1.2 itojun }; 333 1.2 itojun 334 1.2 itojun #define prm_raf_onlink prm_flags.prf_ra.onlink 335 1.2 itojun #define prm_raf_auto prm_flags.prf_ra.autonomous 336 1.2 itojun 337 1.2 itojun #define prm_statef_onlink prm_flags.prf_state.onlink 338 1.2 itojun 339 1.2 itojun #define prm_rrf_decrvalid prm_flags.prf_rr.decrvalid 340 1.2 itojun #define prm_rrf_decrprefd prm_flags.prf_rr.decrprefd 341 1.2 itojun 342 1.2 itojun struct nd_pfxrouter { 343 1.2 itojun LIST_ENTRY(nd_pfxrouter) pfr_entry; 344 1.2 itojun struct nd_defrouter *router; 345 1.2 itojun }; 346 1.2 itojun 347 1.2 itojun LIST_HEAD(nd_prhead, nd_prefix); 348 1.34 thorpej 349 1.34 thorpej #include <sys/mallocvar.h> 350 1.34 thorpej MALLOC_DECLARE(M_IP6NDP); 351 1.2 itojun 352 1.2 itojun /* nd6.c */ 353 1.2 itojun extern int nd6_prune; 354 1.2 itojun extern int nd6_delay; 355 1.2 itojun extern int nd6_umaxtries; 356 1.2 itojun extern int nd6_mmaxtries; 357 1.2 itojun extern int nd6_useloopback; 358 1.15 itojun extern int nd6_maxnudhint; 359 1.20 itojun extern int nd6_gctimer; 360 1.2 itojun extern struct llinfo_nd6 llinfo_nd6; 361 1.2 itojun extern struct nd_drhead nd_defrouter; 362 1.2 itojun extern struct nd_prhead nd_prefix; 363 1.17 itojun extern int nd6_debug; 364 1.17 itojun 365 1.33 perry #define nd6log(x) do { if (nd6_debug) log x; } while (/*CONSTCOND*/ 0) 366 1.10 thorpej 367 1.10 thorpej extern struct callout nd6_timer_ch; 368 1.2 itojun 369 1.6 itojun /* nd6_rtr.c */ 370 1.6 itojun extern int nd6_defifindex; 371 1.41 rpaulo extern int ip6_desync_factor; /* seconds */ 372 1.41 rpaulo extern u_int32_t ip6_temp_preferred_lifetime; /* seconds */ 373 1.41 rpaulo extern u_int32_t ip6_temp_valid_lifetime; /* seconds */ 374 1.41 rpaulo extern int ip6_temp_regen_advance; /* seconds */ 375 1.6 itojun 376 1.2 itojun union nd_opts { 377 1.24 itojun struct nd_opt_hdr *nd_opt_array[8]; 378 1.2 itojun struct { 379 1.2 itojun struct nd_opt_hdr *zero; 380 1.2 itojun struct nd_opt_hdr *src_lladdr; 381 1.2 itojun struct nd_opt_hdr *tgt_lladdr; 382 1.26 itojun struct nd_opt_prefix_info *pi_beg; /* multiple opts, start */ 383 1.2 itojun struct nd_opt_rd_hdr *rh; 384 1.2 itojun struct nd_opt_mtu *mtu; 385 1.2 itojun struct nd_opt_hdr *search; /* multiple opts */ 386 1.2 itojun struct nd_opt_hdr *last; /* multiple opts */ 387 1.2 itojun int done; 388 1.2 itojun struct nd_opt_prefix_info *pi_end;/* multiple opts, end */ 389 1.2 itojun } nd_opt_each; 390 1.2 itojun }; 391 1.2 itojun #define nd_opts_src_lladdr nd_opt_each.src_lladdr 392 1.2 itojun #define nd_opts_tgt_lladdr nd_opt_each.tgt_lladdr 393 1.2 itojun #define nd_opts_pi nd_opt_each.pi_beg 394 1.2 itojun #define nd_opts_pi_end nd_opt_each.pi_end 395 1.2 itojun #define nd_opts_rh nd_opt_each.rh 396 1.2 itojun #define nd_opts_mtu nd_opt_each.mtu 397 1.2 itojun #define nd_opts_search nd_opt_each.search 398 1.2 itojun #define nd_opts_last nd_opt_each.last 399 1.2 itojun #define nd_opts_done nd_opt_each.done 400 1.2 itojun 401 1.2 itojun /* XXX: need nd6_var.h?? */ 402 1.2 itojun /* nd6.c */ 403 1.45 dyoung void nd6_init(void); 404 1.45 dyoung struct nd_ifinfo *nd6_ifattach(struct ifnet *); 405 1.45 dyoung void nd6_ifdetach(struct nd_ifinfo *); 406 1.43 dyoung int nd6_is_addr_neighbor(const struct sockaddr_in6 *, struct ifnet *); 407 1.45 dyoung void nd6_option_init(void *, int, union nd_opts *); 408 1.45 dyoung struct nd_opt_hdr *nd6_option(union nd_opts *); 409 1.45 dyoung int nd6_options(union nd_opts *); 410 1.43 dyoung struct rtentry *nd6_lookup(const struct in6_addr *, int, struct ifnet *); 411 1.45 dyoung void nd6_setmtu(struct ifnet *); 412 1.45 dyoung void nd6_llinfo_settimer(struct llinfo_nd6 *, long); 413 1.45 dyoung void nd6_timer(void *); 414 1.45 dyoung void nd6_purge(struct ifnet *); 415 1.45 dyoung void nd6_nud_hint(struct rtentry *, struct in6_addr *, int); 416 1.45 dyoung int nd6_resolve(struct ifnet *, struct rtentry *, 417 1.45 dyoung struct mbuf *, struct sockaddr *, u_char *); 418 1.50.24.1 yamt void nd6_rtrequest(int, struct rtentry *, const struct rt_addrinfo *); 419 1.45 dyoung int nd6_ioctl(u_long, void *, struct ifnet *); 420 1.45 dyoung struct rtentry *nd6_cache_lladdr(struct ifnet *, struct in6_addr *, 421 1.45 dyoung char *, int, int, int); 422 1.45 dyoung int nd6_output(struct ifnet *, struct ifnet *, struct mbuf *, 423 1.46 dyoung const struct sockaddr_in6 *, struct rtentry *); 424 1.43 dyoung int nd6_storelladdr(const struct ifnet *, const struct rtentry *, struct mbuf *, 425 1.43 dyoung const struct sockaddr *, uint8_t *, size_t); 426 1.45 dyoung int nd6_sysctl(int, void *, size_t *, void *, size_t); 427 1.45 dyoung int nd6_need_cache(struct ifnet *); 428 1.47 dyoung void nd6_llinfo_release_pkts(struct llinfo_nd6 *, struct ifnet *, 429 1.47 dyoung struct rtentry *); 430 1.2 itojun 431 1.2 itojun /* nd6_nbr.c */ 432 1.45 dyoung void nd6_na_input(struct mbuf *, int, int); 433 1.45 dyoung void nd6_na_output(struct ifnet *, const struct in6_addr *, 434 1.49 dyoung const struct in6_addr *, u_long, int, const struct sockaddr *); 435 1.45 dyoung void nd6_ns_input(struct mbuf *, int, int); 436 1.45 dyoung void nd6_ns_output(struct ifnet *, const struct in6_addr *, 437 1.45 dyoung const struct in6_addr *, struct llinfo_nd6 *, int); 438 1.50 dyoung const void *nd6_ifptomac(const struct ifnet *); 439 1.45 dyoung void nd6_dad_start(struct ifaddr *, int); 440 1.45 dyoung void nd6_dad_stop(struct ifaddr *); 441 1.45 dyoung void nd6_dad_duplicated(struct ifaddr *); 442 1.2 itojun 443 1.2 itojun /* nd6_rtr.c */ 444 1.45 dyoung void nd6_rs_input(struct mbuf *, int, int); 445 1.45 dyoung void nd6_ra_input(struct mbuf *, int, int); 446 1.45 dyoung void prelist_del(struct nd_prefix *); 447 1.45 dyoung void defrouter_addreq(struct nd_defrouter *); 448 1.45 dyoung void defrouter_reset(void); 449 1.45 dyoung void defrouter_select(void); 450 1.45 dyoung void defrtrlist_del(struct nd_defrouter *); 451 1.45 dyoung void prelist_remove(struct nd_prefix *); 452 1.45 dyoung int nd6_prelist_add(struct nd_prefixctl *, struct nd_defrouter *, 453 1.45 dyoung struct nd_prefix **); 454 1.45 dyoung int nd6_prefix_onlink(struct nd_prefix *); 455 1.45 dyoung int nd6_prefix_offlink(struct nd_prefix *); 456 1.45 dyoung void pfxlist_onlink_check(void); 457 1.48 dyoung struct nd_defrouter *defrouter_lookup(const struct in6_addr *, struct ifnet *); 458 1.45 dyoung struct nd_prefix *nd6_prefix_lookup(struct nd_prefixctl *); 459 1.45 dyoung int in6_ifdel(struct ifnet *, struct in6_addr *); 460 1.45 dyoung void rt6_flush(struct in6_addr *, struct ifnet *); 461 1.45 dyoung int nd6_setdefaultiface(int); 462 1.45 dyoung int in6_tmpifadd(const struct in6_ifaddr *, int, int); 463 1.50.24.2 yamt bool nd6_accepts_rtadv(const struct nd_ifinfo *); 464 1.2 itojun 465 1.2 itojun #endif /* _KERNEL */ 466 1.2 itojun 467 1.40 elad #endif /* !_NETINET6_ND6_H_ */ 468
Indexes created Mon Oct 20 01:09:56 GMT 2025