ip6_var.h revision 284568
1233648Seadler/*- 2229997Sken * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 3287707Smav * All rights reserved. 4229997Sken * 5233648Seadler * Redistribution and use in source and binary forms, with or without 6229997Sken * modification, are permitted provided that the following conditions 7229997Sken * are met: 8229997Sken * 1. Redistributions of source code must retain the above copyright 9229997Sken * notice, this list of conditions and the following disclaimer. 10229997Sken * 2. Redistributions in binary form must reproduce the above copyright 11229997Sken * notice, this list of conditions and the following disclaimer in the 12229997Sken * documentation and/or other materials provided with the distribution. 13229997Sken * 3. Neither the name of the project nor the names of its contributors 14229997Sken * may be used to endorse or promote products derived from this software 15229997Sken * without specific prior written permission. 16229997Sken * 17233648Seadler * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 18229997Sken * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19229997Sken * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20229997Sken * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 21229997Sken * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22229997Sken * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23229997Sken * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24229997Sken * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25229997Sken * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26229997Sken * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27229997Sken * SUCH DAMAGE. 28229997Sken * 29229997Sken * $KAME: ip6_var.h,v 1.62 2001/05/03 14:51:48 itojun Exp $ 30233648Seadler */ 31229997Sken 32229997Sken/*- 33229997Sken * Copyright (c) 1982, 1986, 1993 34229997Sken * The Regents of the University of California. All rights reserved. 35229997Sken * 36229997Sken * Redistribution and use in source and binary forms, with or without 37229997Sken * modification, are permitted provided that the following conditions 38321367Sbcr * are met: 39229997Sken * 1. Redistributions of source code must retain the above copyright 40229997Sken * notice, this list of conditions and the following disclaimer. 41229997Sken * 2. Redistributions in binary form must reproduce the above copyright 42229997Sken * notice, this list of conditions and the following disclaimer in the 43229997Sken * documentation and/or other materials provided with the distribution. 44229997Sken * 4. Neither the name of the University nor the names of its contributors 45229997Sken * may be used to endorse or promote products derived from this software 46229997Sken * without specific prior written permission. 47287620Smav * 48229997Sken * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 49229997Sken * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 50229997Sken * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 51229997Sken * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 52287620Smav * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 53229997Sken * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 54229997Sken * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 55229997Sken * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 56287620Smav * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 57229997Sken * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 58229997Sken * SUCH DAMAGE. 59229997Sken * 60287620Smav * @(#)ip_var.h 8.1 (Berkeley) 6/10/93 61229997Sken * $FreeBSD: stable/10/sys/netinet6/ip6_var.h 284568 2015-06-18 20:21:02Z kp $ 62229997Sken */ 63229997Sken 64287620Smav#ifndef _NETINET6_IP6_VAR_H_ 65229997Sken#define _NETINET6_IP6_VAR_H_ 66229997Sken 67229997Sken/* 68287620Smav * IP6 reassembly queue structure. Each fragment 69229997Sken * being reassembled is attached to one of these structures. 70229997Sken */ 71229997Skenstruct ip6q { 72229997Sken struct ip6asfrag *ip6q_down; 73229997Sken struct ip6asfrag *ip6q_up; 74229997Sken u_int32_t ip6q_ident; 75229997Sken u_int8_t ip6q_nxt; 76229997Sken u_int8_t ip6q_ecn; 77229997Sken u_int8_t ip6q_ttl; 78287620Smav struct in6_addr ip6q_src, ip6q_dst; 79229997Sken struct ip6q *ip6q_next; 80229997Sken struct ip6q *ip6q_prev; 81229997Sken int ip6q_unfrglen; /* len of unfragmentable part */ 82229997Sken#ifdef notyet 83229997Sken u_char *ip6q_nxtp; 84229997Sken#endif 85229997Sken int ip6q_nfrag; /* # of fragments */ 86229997Sken struct label *ip6q_label; 87229997Sken}; 88287620Smav 89229997Skenstruct ip6asfrag { 90229997Sken struct ip6asfrag *ip6af_down; 91229997Sken struct ip6asfrag *ip6af_up; 92229997Sken struct mbuf *ip6af_m; 93287620Smav int ip6af_offset; /* offset in ip6af_m to next header */ 94229997Sken int ip6af_frglen; /* fragmentable part length */ 95229997Sken int ip6af_off; /* fragment offset */ 96229997Sken u_int16_t ip6af_mff; /* more fragment bit in frag off */ 97229997Sken}; 98229997Sken 99229997Sken#define IP6_REASS_MBUF(ip6af) (*(struct mbuf **)&((ip6af)->ip6af_m)) 100229997Sken 101287620Smav/* 102229997Sken * Structure attached to inpcb.in6p_moptions and 103229997Sken * passed to ip6_output when IPv6 multicast options are in use. 104229997Sken * This structure is lazy-allocated. 105229997Sken */ 106229997Skenstruct ip6_moptions { 107287620Smav struct ifnet *im6o_multicast_ifp; /* ifp for outgoing multicasts */ 108229997Sken u_char im6o_multicast_hlim; /* hoplimit for outgoing multicasts */ 109229997Sken u_char im6o_multicast_loop; /* 1 >= hear sends if a member */ 110229997Sken u_short im6o_num_memberships; /* no. memberships this socket */ 111229997Sken u_short im6o_max_memberships; /* max memberships this socket */ 112229997Sken struct in6_multi **im6o_membership; /* group memberships */ 113287620Smav struct in6_mfilter *im6o_mfilters; /* source filters */ 114229997Sken}; 115229997Sken 116229997Sken/* 117229997Sken * Control options for outgoing packets 118229997Sken */ 119229997Sken 120229997Sken/* Routing header related info */ 121229997Skenstruct ip6po_rhinfo { 122229997Sken struct ip6_rthdr *ip6po_rhi_rthdr; /* Routing header */ 123229997Sken struct route_in6 ip6po_rhi_route; /* Route to the 1st hop */ 124287620Smav}; 125229997Sken#define ip6po_rthdr ip6po_rhinfo.ip6po_rhi_rthdr 126229997Sken#define ip6po_route ip6po_rhinfo.ip6po_rhi_route 127229997Sken 128229997Sken/* Nexthop related info */ 129229997Skenstruct ip6po_nhinfo { 130229997Sken struct sockaddr *ip6po_nhi_nexthop; 131229997Sken struct route_in6 ip6po_nhi_route; /* Route to the nexthop */ 132229997Sken}; 133229997Sken#define ip6po_nexthop ip6po_nhinfo.ip6po_nhi_nexthop 134229997Sken#define ip6po_nextroute ip6po_nhinfo.ip6po_nhi_route 135229997Sken 136229997Skenstruct ip6_pktopts { 137229997Sken struct mbuf *ip6po_m; /* Pointer to mbuf storing the data */ 138229997Sken int ip6po_hlim; /* Hoplimit for outgoing packets */ 139229997Sken 140229997Sken /* Outgoing IF/address information */ 141229997Sken struct in6_pktinfo *ip6po_pktinfo; 142229997Sken 143229997Sken /* Next-hop address information */ 144229997Sken struct ip6po_nhinfo ip6po_nhinfo; 145229997Sken 146229997Sken struct ip6_hbh *ip6po_hbh; /* Hop-by-Hop options header */ 147229997Sken 148229997Sken /* Destination options header (before a routing header) */ 149229997Sken struct ip6_dest *ip6po_dest1; 150229997Sken 151229997Sken /* Routing header related info. */ 152232604Strasz struct ip6po_rhinfo ip6po_rhinfo; 153232604Strasz 154232604Strasz /* Destination options header (after a routing header) */ 155287500Smav struct ip6_dest *ip6po_dest2; 156232604Strasz 157232604Strasz int ip6po_tclass; /* traffic class */ 158229997Sken 159229997Sken int ip6po_minmtu; /* fragment vs PMTU discovery policy */ 160229997Sken#define IP6PO_MINMTU_MCASTONLY -1 /* default; send at min MTU for multicast*/ 161229997Sken#define IP6PO_MINMTU_DISABLE 0 /* always perform pmtu disc */ 162229997Sken#define IP6PO_MINMTU_ALL 1 /* always send at min MTU */ 163229997Sken 164229997Sken int ip6po_prefer_tempaddr; /* whether temporary addresses are 165229997Sken preferred as source address */ 166229997Sken#define IP6PO_TEMPADDR_SYSTEM -1 /* follow the system default */ 167229997Sken#define IP6PO_TEMPADDR_NOTPREFER 0 /* not prefer temporary address */ 168229997Sken#define IP6PO_TEMPADDR_PREFER 1 /* prefer temporary address */ 169229997Sken 170272978Smav int ip6po_flags; 171272978Smav#if 0 /* parameters in this block is obsolete. do not reuse the values. */ 172272978Smav#define IP6PO_REACHCONF 0x01 /* upper-layer reachability confirmation. */ 173278037Smav#define IP6PO_MINMTU 0x02 /* use minimum MTU (IPV6_USE_MIN_MTU) */ 174272978Smav#endif 175272978Smav#define IP6PO_DONTFRAG 0x04 /* disable fragmentation (IPV6_DONTFRAG) */ 176272978Smav#define IP6PO_USECOA 0x08 /* use care of address */ 177272978Smav}; 178272978Smav 179278037Smav/* 180278037Smav * Control options for incoming packets 181278037Smav */ 182278037Smav 183278037Smavstruct ip6stat { 184229997Sken uint64_t ip6s_total; /* total packets received */ 185229997Sken uint64_t ip6s_tooshort; /* packet too short */ 186229997Sken uint64_t ip6s_toosmall; /* not enough data */ 187229997Sken uint64_t ip6s_fragments; /* fragments received */ 188255570Strasz uint64_t ip6s_fragdropped; /* frags dropped(dups, out of space) */ 189255570Strasz uint64_t ip6s_fragtimeout; /* fragments timed out */ 190255570Strasz uint64_t ip6s_fragoverflow; /* fragments that exceeded limit */ 191255570Strasz uint64_t ip6s_forward; /* packets forwarded */ 192255570Strasz uint64_t ip6s_cantforward; /* packets rcvd for unreachable dest */ 193257379Strasz uint64_t ip6s_redirectsent; /* packets forwarded on same net */ 194255570Strasz uint64_t ip6s_delivered; /* datagrams delivered to upper level*/ 195255570Strasz uint64_t ip6s_localout; /* total ip packets generated here */ 196257379Strasz uint64_t ip6s_odropped; /* lost packets due to nobufs, etc. */ 197255570Strasz uint64_t ip6s_reassembled; /* total packets reassembled ok */ 198229997Sken uint64_t ip6s_fragmented; /* datagrams successfully fragmented */ 199229997Sken uint64_t ip6s_ofragments; /* output fragments created */ 200229997Sken uint64_t ip6s_cantfrag; /* don't fragment flag was set, etc. */ 201229997Sken uint64_t ip6s_badoptions; /* error in option processing */ 202229997Sken uint64_t ip6s_noroute; /* packets discarded due to no route */ 203229997Sken uint64_t ip6s_badvers; /* ip6 version != 6 */ 204229997Sken uint64_t ip6s_rawout; /* total raw ip packets generated */ 205229997Sken uint64_t ip6s_badscope; /* scope error */ 206229997Sken uint64_t ip6s_notmember; /* don't join this multicast group */ 207229997Sken#define IP6S_HDRCNT 256 /* headers count */ 208229997Sken uint64_t ip6s_nxthist[IP6S_HDRCNT]; /* next header history */ 209229997Sken uint64_t ip6s_m1; /* one mbuf */ 210229997Sken#define IP6S_M2MMAX 32 211229997Sken uint64_t ip6s_m2m[IP6S_M2MMAX]; /* two or more mbuf */ 212229997Sken uint64_t ip6s_mext1; /* one ext mbuf */ 213229997Sken uint64_t ip6s_mext2m; /* two or more ext mbuf */ 214229997Sken uint64_t ip6s_exthdrtoolong; /* ext hdr are not contiguous */ 215229997Sken uint64_t ip6s_nogif; /* no match gif found */ 216229997Sken uint64_t ip6s_toomanyhdr; /* discarded due to too many headers */ 217229997Sken 218229997Sken /* 219229997Sken * statistics for improvement of the source address selection 220229997Sken * algorithm: 221229997Sken * XXX: hardcoded 16 = # of ip6 multicast scope types + 1 222287620Smav */ 223287620Smav#define IP6S_RULESMAX 16 224229997Sken#define IP6S_SCOPECNT 16 225229997Sken /* number of times that address selection fails */ 226229997Sken uint64_t ip6s_sources_none; 227229997Sken /* number of times that an address on the outgoing I/F is chosen */ 228229997Sken uint64_t ip6s_sources_sameif[IP6S_SCOPECNT]; 229229997Sken /* number of times that an address on a non-outgoing I/F is chosen */ 230229997Sken uint64_t ip6s_sources_otherif[IP6S_SCOPECNT]; 231229997Sken /* 232229997Sken * number of times that an address that has the same scope 233229997Sken * from the destination is chosen. 234229997Sken */ 235229997Sken uint64_t ip6s_sources_samescope[IP6S_SCOPECNT]; 236229997Sken /* 237229997Sken * number of times that an address that has a different scope 238229997Sken * from the destination is chosen. 239229997Sken */ 240229997Sken uint64_t ip6s_sources_otherscope[IP6S_SCOPECNT]; 241229997Sken /* number of times that a deprecated address is chosen */ 242229997Sken uint64_t ip6s_sources_deprecated[IP6S_SCOPECNT]; 243229997Sken 244229997Sken /* number of times that each rule of source selection is applied. */ 245229997Sken uint64_t ip6s_sources_rule[IP6S_RULESMAX]; 246229997Sken}; 247229997Sken 248229997Sken#ifdef _KERNEL 249229997Sken#include <sys/counter.h> 250229997Sken 251229997SkenVNET_PCPUSTAT_DECLARE(struct ip6stat, ip6stat); 252229997Sken#define IP6STAT_ADD(name, val) \ 253229997Sken VNET_PCPUSTAT_ADD(struct ip6stat, ip6stat, name, (val)) 254229997Sken#define IP6STAT_SUB(name, val) IP6STAT_ADD(name, -(val)) 255229997Sken#define IP6STAT_INC(name) IP6STAT_ADD(name, 1) 256229997Sken#define IP6STAT_DEC(name) IP6STAT_SUB(name, 1) 257229997Sken#endif 258229997Sken 259229997Sken#ifdef _KERNEL 260229997Sken/* 261229997Sken * IPv6 onion peeling state. 262229997Sken * it will be initialized when we come into ip6_input(). 263229997Sken * XXX do not make it a kitchen sink! 264229997Sken */ 265229997Skenstruct ip6aux { 266229997Sken u_int32_t ip6a_flags; 267229997Sken#define IP6A_SWAP 0x01 /* swapped home/care-of on packet */ 268229997Sken#define IP6A_HASEEN 0x02 /* HA was present */ 269229997Sken#define IP6A_BRUID 0x04 /* BR Unique Identifier was present */ 270229997Sken#define IP6A_RTALERTSEEN 0x08 /* rtalert present */ 271229997Sken 272229997Sken /* ip6.ip6_src */ 273229997Sken struct in6_addr ip6a_careof; /* care-of address of the peer */ 274229997Sken struct in6_addr ip6a_home; /* home address of the peer */ 275229997Sken u_int16_t ip6a_bruid; /* BR unique identifier */ 276229997Sken 277229997Sken /* ip6.ip6_dst */ 278229997Sken struct in6_ifaddr *ip6a_dstia6; /* my ifaddr that matches ip6_dst */ 279229997Sken 280229997Sken /* rtalert */ 281229997Sken u_int16_t ip6a_rtalert; /* rtalert option value */ 282229997Sken 283229997Sken /* 284229997Sken * decapsulation history will be here. 285229997Sken * with IPsec it may not be accurate. 286229997Sken */ 287229997Sken}; 288229997Sken#endif 289229997Sken 290229997Sken#ifdef _KERNEL 291229997Sken/* flags passed to ip6_output as last parameter */ 292229997Sken#define IPV6_UNSPECSRC 0x01 /* allow :: as the source address */ 293229997Sken#define IPV6_FORWARDING 0x02 /* most of IPv6 header exists */ 294229997Sken#define IPV6_MINMTU 0x04 /* use minimum MTU (IPV6_USE_MIN_MTU) */ 295229997Sken 296233648Seadler#ifdef __NO_STRICT_ALIGNMENT 297229997Sken#define IP6_HDR_ALIGNED_P(ip) 1 298229997Sken#else 299229997Sken#define IP6_HDR_ALIGNED_P(ip) ((((intptr_t) (ip)) & 3) == 0) 300229997Sken#endif 301229997Sken 302229997SkenVNET_DECLARE(int, ip6_defhlim); /* default hop limit */ 303229997SkenVNET_DECLARE(int, ip6_defmcasthlim); /* default multicast hop limit */ 304229997SkenVNET_DECLARE(int, ip6_forwarding); /* act as router? */ 305229997SkenVNET_DECLARE(int, ip6_use_deprecated); /* allow deprecated addr as source */ 306229997SkenVNET_DECLARE(int, ip6_rr_prune); /* router renumbering prefix 307229997Sken * walk list every 5 sec. */ 308229997SkenVNET_DECLARE(int, ip6_mcast_pmtu); /* enable pMTU discovery for multicast? */ 309229997SkenVNET_DECLARE(int, ip6_v6only); 310229997Sken#define V_ip6_defhlim VNET(ip6_defhlim) 311229997Sken#define V_ip6_defmcasthlim VNET(ip6_defmcasthlim) 312229997Sken#define V_ip6_forwarding VNET(ip6_forwarding) 313229997Sken#define V_ip6_use_deprecated VNET(ip6_use_deprecated) 314229997Sken#define V_ip6_rr_prune VNET(ip6_rr_prune) 315229997Sken#define V_ip6_mcast_pmtu VNET(ip6_mcast_pmtu) 316229997Sken#define V_ip6_v6only VNET(ip6_v6only) 317229997Sken 318229997SkenVNET_DECLARE(struct socket *, ip6_mrouter); /* multicast routing daemon */ 319229997SkenVNET_DECLARE(int, ip6_sendredirects); /* send IP redirects when forwarding? */ 320229997SkenVNET_DECLARE(int, ip6_maxfragpackets); /* Maximum packets in reassembly 321229997Sken * queue */ 322229997SkenVNET_DECLARE(int, ip6_maxfrags); /* Maximum fragments in reassembly 323229997Sken * queue */ 324229997SkenVNET_DECLARE(int, ip6_accept_rtadv); /* Acts as a host not a router */ 325229997SkenVNET_DECLARE(int, ip6_no_radr); /* No defroute from RA */ 326229997SkenVNET_DECLARE(int, ip6_norbit_raif); /* Disable R-bit in NA on RA 327229997Sken * receiving IF. */ 328229997SkenVNET_DECLARE(int, ip6_rfc6204w3); /* Accept defroute from RA even when 329229997Sken forwarding enabled */ 330229997SkenVNET_DECLARE(int, ip6_keepfaith); /* Firewall Aided Internet Translator */ 331229997SkenVNET_DECLARE(int, ip6_log_interval); 332229997SkenVNET_DECLARE(time_t, ip6_log_time); 333229997SkenVNET_DECLARE(int, ip6_hdrnestlimit); /* upper limit of # of extension 334229997Sken * headers */ 335229997SkenVNET_DECLARE(int, ip6_dad_count); /* DupAddrDetectionTransmits */ 336229997Sken#define V_ip6_mrouter VNET(ip6_mrouter) 337229997Sken#define V_ip6_sendredirects VNET(ip6_sendredirects) 338229997Sken#define V_ip6_maxfragpackets VNET(ip6_maxfragpackets) 339229997Sken#define V_ip6_maxfrags VNET(ip6_maxfrags) 340229997Sken#define V_ip6_accept_rtadv VNET(ip6_accept_rtadv) 341229997Sken#define V_ip6_no_radr VNET(ip6_no_radr) 342229997Sken#define V_ip6_norbit_raif VNET(ip6_norbit_raif) 343229997Sken#define V_ip6_rfc6204w3 VNET(ip6_rfc6204w3) 344229997Sken#define V_ip6_keepfaith VNET(ip6_keepfaith) 345229997Sken#define V_ip6_log_interval VNET(ip6_log_interval) 346229997Sken#define V_ip6_log_time VNET(ip6_log_time) 347229997Sken#define V_ip6_hdrnestlimit VNET(ip6_hdrnestlimit) 348229997Sken#define V_ip6_dad_count VNET(ip6_dad_count) 349229997Sken 350229997SkenVNET_DECLARE(int, ip6_auto_flowlabel); 351229997SkenVNET_DECLARE(int, ip6_auto_linklocal); 352229997Sken#define V_ip6_auto_flowlabel VNET(ip6_auto_flowlabel) 353229997Sken#define V_ip6_auto_linklocal VNET(ip6_auto_linklocal) 354229997Sken 355229997SkenVNET_DECLARE(int, ip6_use_tempaddr); /* Whether to use temporary addresses */ 356229997SkenVNET_DECLARE(int, ip6_prefer_tempaddr); /* Whether to prefer temporary 357229997Sken * addresses in the source address 358229997Sken * selection */ 359229997Sken#define V_ip6_use_tempaddr VNET(ip6_use_tempaddr) 360229997Sken#define V_ip6_prefer_tempaddr VNET(ip6_prefer_tempaddr) 361229997Sken 362229997SkenVNET_DECLARE(int, ip6_use_defzone); /* Whether to use the default scope 363229997Sken * zone when unspecified */ 364229997Sken#define V_ip6_use_defzone VNET(ip6_use_defzone) 365229997Sken 366229997SkenVNET_DECLARE (struct pfil_head, inet6_pfil_hook); /* packet filter hooks */ 367229997Sken#define V_inet6_pfil_hook VNET(inet6_pfil_hook) 368229997Sken#ifdef IPSTEALTH 369229997SkenVNET_DECLARE(int, ip6stealth); 370229997Sken#define V_ip6stealth VNET(ip6stealth) 371229997Sken#endif 372229997Sken 373229997Skenextern struct pr_usrreqs rip6_usrreqs; 374236509Sjoelstruct sockopt; 375229997Sken 376229997Skenstruct inpcb; 377229997Sken 378229997Skenint icmp6_ctloutput(struct socket *, struct sockopt *sopt); 379229997Sken 380229997Skenstruct in6_ifaddr; 381229997Skenvoid ip6_init(void); 382229997Sken#ifdef VIMAGE 383229997Skenvoid ip6_destroy(void); 384229997Sken#endif 385229997Skenint ip6proto_register(short); 386229997Skenint ip6proto_unregister(short); 387229997Sken 388229997Skenvoid ip6_input(struct mbuf *); 389229997Skenstruct in6_ifaddr *ip6_getdstifaddr(struct mbuf *); 390229997Skenvoid ip6_freepcbopts(struct ip6_pktopts *); 391229997Sken 392229997Skenint ip6_unknown_opt(u_int8_t *, struct mbuf *, int); 393229997Skenchar * ip6_get_prevhdr(struct mbuf *, int); 394229997Skenint ip6_nexthdr(struct mbuf *, int, int, int *); 395229997Skenint ip6_lasthdr(struct mbuf *, int, int, int *); 396229997Sken 397229997Sken#ifdef __notyet__ 398229997Skenstruct ip6aux *ip6_findaux(struct mbuf *); 399229997Sken#endif 400229997Sken 401229997Skenextern int (*ip6_mforward)(struct ip6_hdr *, struct ifnet *, 402229997Sken struct mbuf *); 403229997Sken 404229997Skenint ip6_process_hopopts(struct mbuf *, u_int8_t *, int, u_int32_t *, 405229997Sken u_int32_t *); 406229997Skenstruct mbuf **ip6_savecontrol_v4(struct inpcb *, struct mbuf *, 407229997Sken struct mbuf **, int *); 408229997Skenvoid ip6_savecontrol(struct inpcb *, struct mbuf *, struct mbuf **); 409229997Skenvoid ip6_notify_pmtu(struct inpcb *, struct sockaddr_in6 *, u_int32_t); 410229997Skenint ip6_sysctl(int *, u_int, void *, size_t *, void *, size_t); 411229997Sken 412229997Skenvoid ip6_forward(struct mbuf *, int); 413229997Sken 414229997Skenvoid ip6_mloopback(struct ifnet *, struct mbuf *, struct sockaddr_in6 *); 415229997Skenint ip6_output(struct mbuf *, struct ip6_pktopts *, 416229997Sken struct route_in6 *, 417229997Sken int, 418229997Sken struct ip6_moptions *, struct ifnet **, 419229997Sken struct inpcb *); 420229997Skenint ip6_ctloutput(struct socket *, struct sockopt *); 421233648Seadlerint ip6_raw_ctloutput(struct socket *, struct sockopt *); 422229997Skenvoid ip6_initpktopts(struct ip6_pktopts *); 423229997Skenint ip6_setpktopts(struct mbuf *, struct ip6_pktopts *, 424229997Sken struct ip6_pktopts *, struct ucred *, int); 425229997Skenvoid ip6_clearpktopts(struct ip6_pktopts *, int); 426229997Skenstruct ip6_pktopts *ip6_copypktopts(struct ip6_pktopts *, int); 427229997Skenint ip6_optlen(struct inpcb *); 428229997Skenint ip6_deletefraghdr(struct mbuf *, int, int); 429229997Sken 430229997Skenint route6_input(struct mbuf **, int *, int); 431229997Sken 432229997Skenvoid frag6_init(void); 433229997Skenint frag6_input(struct mbuf **, int *, int); 434229997Skenvoid frag6_slowtimo(void); 435229997Skenvoid frag6_drain(void); 436229997Sken 437229997Skenvoid rip6_init(void); 438229997Skenint rip6_input(struct mbuf **, int *, int); 439229997Skenvoid rip6_ctlinput(int, struct sockaddr *, void *); 440229997Skenint rip6_ctloutput(struct socket *, struct sockopt *); 441249373Sjoelint rip6_output(struct mbuf *, ...); 442229997Skenint rip6_usrreq(struct socket *, 443268457Spluknet int, struct mbuf *, struct mbuf *, struct mbuf *, struct thread *); 444229997Sken 445229997Skenint dest6_input(struct mbuf **, int *, int); 446229997Skenint none_input(struct mbuf **, int *, int); 447229997Sken 448229997Skenint in6_selectsrc(struct sockaddr_in6 *, struct ip6_pktopts *, 449229997Sken struct inpcb *inp, struct route_in6 *, struct ucred *cred, 450229997Sken struct ifnet **, struct in6_addr *); 451229997Skenint in6_selectroute(struct sockaddr_in6 *, struct ip6_pktopts *, 452229997Sken struct ip6_moptions *, struct route_in6 *, struct ifnet **, 453229997Sken struct rtentry **); 454235873Swblockint in6_selectroute_fib(struct sockaddr_in6 *, struct ip6_pktopts *, 455229997Sken struct ip6_moptions *, struct route_in6 *, struct ifnet **, 456229997Sken struct rtentry **, u_int); 457229997Skenu_int32_t ip6_randomid(void); 458229997Skenu_int32_t ip6_randomflowlabel(void); 459229997Skenvoid in6_delayed_cksum(struct mbuf *m, uint32_t plen, u_short offset); 460229997Sken#endif /* _KERNEL */ 461229997Sken 462233648Seadler#endif /* !_NETINET6_IP6_VAR_H_ */ 463229997Sken