| 1 | /* $NetBSD: ip6_var.h,v 1.70 2016/11/10 04:13:53 ozaki-r Exp $ */ |
| 2 | /* $KAME: ip6_var.h,v 1.33 2000/06/11 14:59:20 jinmei 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 | /* |
| 34 | * Copyright (c) 1982, 1986, 1993 |
| 35 | * The Regents of the University of California. All rights reserved. |
| 36 | * |
| 37 | * Redistribution and use in source and binary forms, with or without |
| 38 | * modification, are permitted provided that the following conditions |
| 39 | * are met: |
| 40 | * 1. Redistributions of source code must retain the above copyright |
| 41 | * notice, this list of conditions and the following disclaimer. |
| 42 | * 2. Redistributions in binary form must reproduce the above copyright |
| 43 | * notice, this list of conditions and the following disclaimer in the |
| 44 | * documentation and/or other materials provided with the distribution. |
| 45 | * 3. Neither the name of the University nor the names of its contributors |
| 46 | * may be used to endorse or promote products derived from this software |
| 47 | * without specific prior written permission. |
| 48 | * |
| 49 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 50 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 51 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 52 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 53 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 54 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 55 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 56 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 57 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 58 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 59 | * SUCH DAMAGE. |
| 60 | * |
| 61 | * @(#)ip_var.h 8.1 (Berkeley) 6/10/93 |
| 62 | */ |
| 63 | |
| 64 | #ifndef _NETINET6_IP6_VAR_H_ |
| 65 | #define _NETINET6_IP6_VAR_H_ |
| 66 | |
| 67 | #include <sys/socketvar.h> |
| 68 | #include <net/route.h> |
| 69 | |
| 70 | /* |
| 71 | * IP6 reassembly queue structure. Each fragment |
| 72 | * being reassembled is attached to one of these structures. |
| 73 | */ |
| 74 | struct ip6q { |
| 75 | u_int32_t ip6q_head; |
| 76 | u_int16_t ip6q_len; |
| 77 | u_int8_t ip6q_nxt; /* ip6f_nxt in first fragment */ |
| 78 | u_int8_t ip6q_hlim; |
| 79 | struct ip6asfrag *ip6q_down; |
| 80 | struct ip6asfrag *ip6q_up; |
| 81 | u_int32_t ip6q_ident; |
| 82 | u_int8_t ip6q_arrive; |
| 83 | u_int8_t ip6q_ttl; |
| 84 | struct in6_addr ip6q_src, ip6q_dst; |
| 85 | struct ip6q *ip6q_next; |
| 86 | struct ip6q *ip6q_prev; |
| 87 | int ip6q_unfrglen; /* len of unfragmentable part */ |
| 88 | #ifdef notyet |
| 89 | u_char *ip6q_nxtp; |
| 90 | #endif |
| 91 | int ip6q_nfrag; /* # of fragments */ |
| 92 | }; |
| 93 | |
| 94 | struct ip6asfrag { |
| 95 | u_int32_t ip6af_head; |
| 96 | u_int16_t ip6af_len; |
| 97 | u_int8_t ip6af_nxt; |
| 98 | u_int8_t ip6af_hlim; |
| 99 | /* must not override the above members during reassembling */ |
| 100 | struct ip6asfrag *ip6af_down; |
| 101 | struct ip6asfrag *ip6af_up; |
| 102 | struct mbuf *ip6af_m; |
| 103 | int ip6af_offset; /* offset in ip6af_m to next header */ |
| 104 | int ip6af_frglen; /* fragmentable part length */ |
| 105 | int ip6af_off; /* fragment offset */ |
| 106 | u_int16_t ip6af_mff; /* more fragment bit in frag off */ |
| 107 | }; |
| 108 | |
| 109 | #define IP6_REASS_MBUF(ip6af) ((ip6af)->ip6af_m) |
| 110 | |
| 111 | struct ip6_moptions { |
| 112 | if_index_t im6o_multicast_if_index; /* I/F for outgoing multicasts */ |
| 113 | u_char im6o_multicast_hlim; /* hoplimit for outgoing multicasts */ |
| 114 | u_char im6o_multicast_loop; /* 1 >= hear sends if a member */ |
| 115 | LIST_HEAD(, in6_multi_mship) im6o_memberships; |
| 116 | }; |
| 117 | |
| 118 | /* |
| 119 | * Control options for outgoing packets |
| 120 | */ |
| 121 | |
| 122 | /* Routing header related info */ |
| 123 | struct ip6po_rhinfo { |
| 124 | struct ip6_rthdr *ip6po_rhi_rthdr; /* Routing header */ |
| 125 | struct route ip6po_rhi_route; /* Route to the 1st hop */ |
| 126 | }; |
| 127 | #define ip6po_rthdr ip6po_rhinfo.ip6po_rhi_rthdr |
| 128 | #define ip6po_route ip6po_rhinfo.ip6po_rhi_route |
| 129 | |
| 130 | /* Nexthop related info */ |
| 131 | struct ip6po_nhinfo { |
| 132 | struct sockaddr *ip6po_nhi_nexthop; |
| 133 | struct route ip6po_nhi_route; /* Route to the nexthop */ |
| 134 | }; |
| 135 | #define ip6po_nexthop ip6po_nhinfo.ip6po_nhi_nexthop |
| 136 | #define ip6po_nextroute ip6po_nhinfo.ip6po_nhi_route |
| 137 | |
| 138 | struct ip6_pktopts { |
| 139 | int ip6po_hlim; /* Hoplimit for outgoing packets */ |
| 140 | struct in6_pktinfo *ip6po_pktinfo; /* Outgoing IF/address information */ |
| 141 | struct ip6po_nhinfo ip6po_nhinfo; /* Next-hop address information */ |
| 142 | struct ip6_hbh *ip6po_hbh; /* Hop-by-Hop options header */ |
| 143 | struct ip6_dest *ip6po_dest1; /* Destination options header(1st part) */ |
| 144 | struct ip6po_rhinfo ip6po_rhinfo; /* Routing header related info. */ |
| 145 | struct ip6_dest *ip6po_dest2; /* Destination options header(2nd part) */ |
| 146 | int ip6po_tclass; /* traffic class */ |
| 147 | int ip6po_minmtu; /* fragment vs PMTU discovery policy */ |
| 148 | #define IP6PO_MINMTU_MCASTONLY -1 /* default; send at min MTU for multicast*/ |
| 149 | #define IP6PO_MINMTU_DISABLE 0 /* always perform pmtu disc */ |
| 150 | #define IP6PO_MINMTU_ALL 1 /* always send at min MTU */ |
| 151 | int ip6po_prefer_tempaddr; /* whether temporary addresses are |
| 152 | * preferred as source address */ |
| 153 | #define IP6PO_TEMPADDR_SYSTEM -1 /* follow the system default */ |
| 154 | #define IP6PO_TEMPADDR_NOTPREFER 0 /* not prefer temporary address */ |
| 155 | #define IP6PO_TEMPADDR_PREFER 1 /* prefer temporary address */ |
| 156 | int ip6po_flags; |
| 157 | #if 0 /* parameters in this block is obsolete. do not reuse the values. */ |
| 158 | #define IP6PO_REACHCONF 0x01 /* upper-layer reachability confirmation. */ |
| 159 | #define IP6PO_MINMTU 0x02 /* use minimum MTU (IPV6_USE_MIN_MTU) */ |
| 160 | #endif |
| 161 | #define IP6PO_DONTFRAG 0x04 /* disable fragmentation (IPV6_DONTFRAG) */ |
| 162 | }; |
| 163 | |
| 164 | /* |
| 165 | * IPv6 statistics. |
| 166 | * Each counter is an unsigned 64-bit value. |
| 167 | */ |
| 168 | #define IP6_STAT_TOTAL 0 /* total packets received */ |
| 169 | #define IP6_STAT_TOOSHORT 1 /* packet too short */ |
| 170 | #define IP6_STAT_TOOSMALL 2 /* not enough data */ |
| 171 | #define IP6_STAT_FRAGMENTS 3 /* fragments received */ |
| 172 | #define IP6_STAT_FRAGDROPPED 4 /* frags dropped (dups, out of space) */ |
| 173 | #define IP6_STAT_FRAGTIMEOUT 5 /* fragments timed out */ |
| 174 | #define IP6_STAT_FRAGOVERFLOW 6 /* fragments that exceed limit */ |
| 175 | #define IP6_STAT_FORWARD 7 /* packets forwarded */ |
| 176 | #define IP6_STAT_CANTFORWARD 8 /* packets rcvd for uncreachable dst */ |
| 177 | #define IP6_STAT_REDIRECTSENT 9 /* packets forwarded on same net */ |
| 178 | #define IP6_STAT_DELIVERED 10 /* datagrams delivered to upper level */ |
| 179 | #define IP6_STAT_LOCALOUT 11 /* total IP packets generated here */ |
| 180 | #define IP6_STAT_ODROPPED 12 /* lost packets due to nobufs, etc. */ |
| 181 | #define IP6_STAT_REASSEMBLED 13 /* total packets reassembled ok */ |
| 182 | #define IP6_STAT_FRAGMENTED 14 /* datagrams successfully fragmented */ |
| 183 | #define IP6_STAT_OFRAGMENTS 15 /* output fragments created */ |
| 184 | #define IP6_STAT_CANTFRAG 16 /* don't fragment flag was set, etc. */ |
| 185 | #define IP6_STAT_BADOPTIONS 17 /* error in option processing */ |
| 186 | #define IP6_STAT_NOROUTE 18 /* packets discarded due to no route */ |
| 187 | #define IP6_STAT_BADVERS 19 /* ip6 version != 6 */ |
| 188 | #define IP6_STAT_RAWOUT 20 /* total raw ip packets generated */ |
| 189 | #define IP6_STAT_BADSCOPE 21 /* scope error */ |
| 190 | #define IP6_STAT_NOTMEMBER 22 /* don't join this multicast group */ |
| 191 | #define IP6_STAT_NXTHIST 23 /* next header histogram */ |
| 192 | /* space for 256 counters */ |
| 193 | #define IP6_STAT_M1 279 /* one mbuf */ |
| 194 | #define IP6_STAT_M2M 280 /* two or more mbuf */ |
| 195 | /* space for 32 counters */ |
| 196 | #define IP6_STAT_MEXT1 312 /* one ext mbuf */ |
| 197 | #define IP6_STAT_MEXT2M 313 /* two or more ext mbuf */ |
| 198 | #define IP6_STAT_EXTHDRTOOLONG 314 /* ext hdr are not contiguous */ |
| 199 | #define IP6_STAT_NOGIF 315 /* no match gif found */ |
| 200 | #define IP6_STAT_TOOMANYHDR 316 /* discarded due to too many headers */ |
| 201 | /* |
| 202 | * statistics for improvement of the source address selection |
| 203 | * algorithm: |
| 204 | * XXX: hardcoded 16 = # of ip6 multicast scope types + 1 |
| 205 | */ |
| 206 | #define IP6_STAT_SOURCES_NONE 317 /* number of times that address |
| 207 | selection fails */ |
| 208 | #define IP6_STAT_SOURCES_SAMEIF 318 /* number of times that an address |
| 209 | on the outgoing I/F is chosen */ |
| 210 | /* space for 16 counters */ |
| 211 | #define IP6_STAT_SOURCES_OTHERIF 334 /* number of times that an address on |
| 212 | a non-outgoing I/F is chosen */ |
| 213 | /* space for 16 counters */ |
| 214 | #define IP6_STAT_SOURCES_SAMESCOPE 350 /* number of times that an address that |
| 215 | has the same scope from the dest. |
| 216 | is chosen */ |
| 217 | /* space for 16 counters */ |
| 218 | #define IP6_STAT_SOURCES_OTHERSCOPE 366 /* number of times that an address that |
| 219 | has a different scope from the dest. |
| 220 | is chosen */ |
| 221 | /* space for 16 counters */ |
| 222 | #define IP6_STAT_SOURCES_DEPRECATED 382 /* number of times that a deprecated |
| 223 | address is chosen */ |
| 224 | /* space for 16 counters */ |
| 225 | #define IP6_STAT_FORWARD_CACHEHIT 398 |
| 226 | #define IP6_STAT_FORWARD_CACHEMISS 399 |
| 227 | #define IP6_STAT_FASTFORWARD 400 /* packets fast forwarded */ |
| 228 | #define IP6_STAT_FASTFORWARDFLOWS 401 /* number of fast forward flows */ |
| 229 | |
| 230 | #define IP6_NSTATS 402 |
| 231 | |
| 232 | #define IP6FLOW_HASHBITS 6 /* should not be a multiple of 8 */ |
| 233 | |
| 234 | /* |
| 235 | * Structure for an IPv6 flow (ip6_fastforward). |
| 236 | */ |
| 237 | struct ip6flow { |
| 238 | TAILQ_ENTRY(ip6flow) ip6f_list; /* next in active list */ |
| 239 | TAILQ_ENTRY(ip6flow) ip6f_hash; /* next ip6flow in bucket */ |
| 240 | size_t ip6f_hashidx; /* own hash index of ipflowtable[] */ |
| 241 | struct in6_addr ip6f_dst; /* destination address */ |
| 242 | struct in6_addr ip6f_src; /* source address */ |
| 243 | struct route ip6f_ro; /* associated route entry */ |
| 244 | u_int32_t ip6f_flow; /* flow (tos) */ |
| 245 | u_quad_t ip6f_uses; /* number of uses in this period */ |
| 246 | u_quad_t ip6f_last_uses; /* number of uses in last period */ |
| 247 | u_quad_t ip6f_dropped; /* ENOBUFS returned by if_output */ |
| 248 | u_quad_t ip6f_forwarded; /* packets forwarded */ |
| 249 | u_int ip6f_timer; /* lifetime timer */ |
| 250 | }; |
| 251 | |
| 252 | #ifdef _KERNEL |
| 253 | /* |
| 254 | * Auxiliary attributes of incoming IPv6 packets, which is initialized when we |
| 255 | * come into ip6_input(). |
| 256 | * XXX do not make it a kitchen sink! |
| 257 | */ |
| 258 | struct ip6aux { |
| 259 | /* ip6.ip6_dst */ |
| 260 | struct in6_addr ip6a_src; |
| 261 | uint32_t ip6a_scope_id; |
| 262 | int ip6a_flags; |
| 263 | }; |
| 264 | |
| 265 | /* flags passed to ip6_output as last parameter */ |
| 266 | #define IPV6_UNSPECSRC 0x01 /* allow :: as the source address */ |
| 267 | #define IPV6_FORWARDING 0x02 /* most of IPv6 header exists */ |
| 268 | #define IPV6_MINMTU 0x04 /* use minimum MTU (IPV6_USE_MIN_MTU) */ |
| 269 | |
| 270 | extern u_int32_t ip6_id; /* fragment identifier */ |
| 271 | extern int ip6_defhlim; /* default hop limit */ |
| 272 | extern int ip6_defmcasthlim; /* default multicast hop limit */ |
| 273 | extern int ip6_forwarding; /* act as router? */ |
| 274 | extern int ip6_sendredirect; /* send ICMPv6 redirect? */ |
| 275 | extern int ip6_forward_srcrt; /* forward src-routed? */ |
| 276 | extern int ip6_use_deprecated; /* allow deprecated addr as source */ |
| 277 | extern int ip6_rr_prune; /* router renumbering prefix |
| 278 | * walk list every 5 sec. */ |
| 279 | extern int ip6_mcast_pmtu; /* enable pMTU discovery for multicast? */ |
| 280 | extern int ip6_v6only; |
| 281 | extern int ip6_neighborgcthresh; /* Threshold # of NDP entries for GC */ |
| 282 | extern int ip6_maxifprefixes; /* Max acceptable prefixes via RA per IF */ |
| 283 | extern int ip6_maxifdefrouters; /* Max acceptable def routers via RA */ |
| 284 | extern int ip6_maxdynroutes; /* Max # of routes created via redirect */ |
| 285 | |
| 286 | |
| 287 | extern struct socket *ip6_mrouter; /* multicast routing daemon */ |
| 288 | extern int ip6_sendredirects; /* send IP redirects when forwarding? */ |
| 289 | extern int ip6_maxfragpackets; /* Maximum packets in reassembly queue */ |
| 290 | extern int ip6_maxfrags; /* Maximum fragments in reassembly queue */ |
| 291 | extern int ip6_sourcecheck; /* Verify source interface */ |
| 292 | extern int ip6_sourcecheck_interval; /* Interval between log messages */ |
| 293 | extern int ip6_accept_rtadv; /* Acts as a host not a router */ |
| 294 | extern int ip6_rtadv_maxroutes; /* maximum number of routes via rtadv */ |
| 295 | extern int ip6_keepfaith; /* Firewall Aided Internet Translator */ |
| 296 | extern int ip6_log_interval; |
| 297 | extern time_t ip6_log_time; |
| 298 | extern int ip6_hdrnestlimit; /* upper limit of # of extension headers */ |
| 299 | extern int ip6_dad_count; /* DupAddrDetectionTransmits */ |
| 300 | |
| 301 | extern int ip6_auto_flowlabel; |
| 302 | extern int ip6_auto_linklocal; |
| 303 | |
| 304 | extern int ip6_anonportmin; /* minimum ephemeral port */ |
| 305 | extern int ip6_anonportmax; /* maximum ephemeral port */ |
| 306 | extern int ip6_lowportmin; /* minimum reserved port */ |
| 307 | extern int ip6_lowportmax; /* maximum reserved port */ |
| 308 | |
| 309 | extern int ip6_use_tempaddr; /* whether to use temporary addresses. */ |
| 310 | extern int ip6_prefer_tempaddr; /* whether to prefer temporary addresses |
| 311 | in the source address selection */ |
| 312 | extern int ip6_use_defzone; /* whether to use the default scope zone |
| 313 | when unspecified */ |
| 314 | |
| 315 | #ifdef GATEWAY |
| 316 | extern int ip6_maxflows; /* maximum amount of flows for ip6ff */ |
| 317 | extern int ip6_hashsize; /* size of hash table */ |
| 318 | #endif |
| 319 | |
| 320 | struct in6pcb; |
| 321 | extern const struct pr_usrreqs rip6_usrreqs; |
| 322 | |
| 323 | int icmp6_ctloutput(int, struct socket *, struct sockopt *); |
| 324 | |
| 325 | struct mbuf; |
| 326 | void ip6_init(void); |
| 327 | void ip6_input(struct mbuf *, struct ifnet *); |
| 328 | const struct ip6aux *ip6_getdstifaddr(struct mbuf *); |
| 329 | void ip6_freepcbopts(struct ip6_pktopts *); |
| 330 | void ip6_freemoptions(struct ip6_moptions *); |
| 331 | int ip6_unknown_opt(u_int8_t *, struct mbuf *, int); |
| 332 | u_int8_t *ip6_get_prevhdr(struct mbuf *, int); |
| 333 | int ip6_nexthdr(struct mbuf *, int, int, int *); |
| 334 | int ip6_lasthdr(struct mbuf *, int, int, int *); |
| 335 | |
| 336 | struct m_tag *ip6_addaux(struct mbuf *); |
| 337 | struct m_tag *ip6_findaux(struct mbuf *); |
| 338 | void ip6_delaux(struct mbuf *); |
| 339 | struct ip6_hdr; |
| 340 | int ip6_mforward(struct ip6_hdr *, struct ifnet *, struct mbuf *); |
| 341 | int ip6_hopopts_input(u_int32_t *, u_int32_t *, struct mbuf **, int *); |
| 342 | void ip6_savecontrol(struct in6pcb *, struct mbuf **, struct ip6_hdr *, |
| 343 | struct mbuf *); |
| 344 | void ip6_notify_pmtu(struct in6pcb *, const struct sockaddr_in6 *, |
| 345 | u_int32_t *); |
| 346 | int ip6_sysctl(int *, u_int, void *, size_t *, void *, size_t); |
| 347 | |
| 348 | void ip6_forward(struct mbuf *, int); |
| 349 | |
| 350 | void ip6_mloopback(struct ifnet *, struct mbuf *, |
| 351 | const struct sockaddr_in6 *); |
| 352 | int ip6_output(struct mbuf *, struct ip6_pktopts *, |
| 353 | struct route *, int, |
| 354 | struct ip6_moptions *, struct socket *, |
| 355 | struct ifnet **); |
| 356 | int ip6_ctloutput(int, struct socket *, struct sockopt *); |
| 357 | int ip6_raw_ctloutput(int, struct socket *, struct sockopt *); |
| 358 | void ip6_initpktopts(struct ip6_pktopts *); |
| 359 | int ip6_setpktopts(struct mbuf *, struct ip6_pktopts *, |
| 360 | struct ip6_pktopts *, kauth_cred_t, int); |
| 361 | void ip6_clearpktopts(struct ip6_pktopts *, int); |
| 362 | struct ip6_pktopts *ip6_copypktopts(struct ip6_pktopts *, int); |
| 363 | int ip6_optlen(struct in6pcb *); |
| 364 | |
| 365 | void ip6_statinc(u_int); |
| 366 | |
| 367 | int route6_input(struct mbuf **, int *, int); |
| 368 | |
| 369 | void frag6_init(void); |
| 370 | int frag6_input(struct mbuf **, int *, int); |
| 371 | int ip6_reass_packet(struct mbuf **, int); |
| 372 | void frag6_slowtimo(void); |
| 373 | void frag6_fasttimo(void); |
| 374 | void frag6_drain(void); |
| 375 | void frag6_drainstub(void); |
| 376 | |
| 377 | int ip6flow_init(int); |
| 378 | void ip6flow_poolinit(void); |
| 379 | struct ip6flow *ip6flow_reap(int); |
| 380 | void ip6flow_create(const struct route *, struct mbuf *); |
| 381 | void ip6flow_slowtimo(void); |
| 382 | int ip6flow_invalidate_all(int); |
| 383 | |
| 384 | void rip6_init(void); |
| 385 | int rip6_input(struct mbuf **, int *, int); |
| 386 | void *rip6_ctlinput(int, const struct sockaddr *, void *); |
| 387 | int rip6_ctloutput(int, struct socket *, struct sockopt *); |
| 388 | int rip6_output(struct mbuf *, struct socket *, struct sockaddr_in6 *, |
| 389 | struct mbuf *); |
| 390 | int rip6_attach(struct socket *, int); |
| 391 | int rip6_usrreq(struct socket *, |
| 392 | int, struct mbuf *, struct mbuf *, struct mbuf *, struct lwp *); |
| 393 | |
| 394 | int dest6_input(struct mbuf **, int *, int); |
| 395 | int none_input(struct mbuf **, int *, int); |
| 396 | |
| 397 | struct route; |
| 398 | |
| 399 | int in6_selectsrc(struct sockaddr_in6 *, struct ip6_pktopts *, |
| 400 | struct ip6_moptions *, struct route *, struct in6_addr *, |
| 401 | struct ifnet **, struct psref *, struct in6_addr *); |
| 402 | int in6_selectroute(struct sockaddr_in6 *, struct ip6_pktopts *, |
| 403 | struct route **, struct rtentry **, bool); |
| 404 | int ip6_get_membership(const struct sockopt *, struct ifnet **, void *, |
| 405 | size_t); |
| 406 | |
| 407 | u_int32_t ip6_randomid(void); |
| 408 | u_int32_t ip6_randomflowlabel(void); |
| 409 | #endif /* _KERNEL */ |
| 410 | |
| 411 | #endif /* !_NETINET6_IP6_VAR_H_ */ |
| 412 | |