ip6_var.h revision 180371
1139826Simp/*- 253541Sshin * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 353541Sshin * All rights reserved. 453541Sshin * 553541Sshin * Redistribution and use in source and binary forms, with or without 653541Sshin * modification, are permitted provided that the following conditions 753541Sshin * are met: 853541Sshin * 1. Redistributions of source code must retain the above copyright 953541Sshin * notice, this list of conditions and the following disclaimer. 1053541Sshin * 2. Redistributions in binary form must reproduce the above copyright 1153541Sshin * notice, this list of conditions and the following disclaimer in the 1253541Sshin * documentation and/or other materials provided with the distribution. 1353541Sshin * 3. Neither the name of the project nor the names of its contributors 1453541Sshin * may be used to endorse or promote products derived from this software 1553541Sshin * without specific prior written permission. 1653541Sshin * 1753541Sshin * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 1853541Sshin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1953541Sshin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2053541Sshin * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 2153541Sshin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2253541Sshin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2353541Sshin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2453541Sshin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2553541Sshin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2653541Sshin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2753541Sshin * SUCH DAMAGE. 28174510Sobrien * 29174510Sobrien * $KAME: ip6_var.h,v 1.62 2001/05/03 14:51:48 itojun Exp $ 3053541Sshin */ 3153541Sshin 32139826Simp/*- 3353541Sshin * Copyright (c) 1982, 1986, 1993 3453541Sshin * The Regents of the University of California. All rights reserved. 3553541Sshin * 3653541Sshin * Redistribution and use in source and binary forms, with or without 3753541Sshin * modification, are permitted provided that the following conditions 3853541Sshin * are met: 3953541Sshin * 1. Redistributions of source code must retain the above copyright 4053541Sshin * notice, this list of conditions and the following disclaimer. 4153541Sshin * 2. Redistributions in binary form must reproduce the above copyright 4253541Sshin * notice, this list of conditions and the following disclaimer in the 4353541Sshin * documentation and/or other materials provided with the distribution. 4453541Sshin * 4. Neither the name of the University nor the names of its contributors 4553541Sshin * may be used to endorse or promote products derived from this software 4653541Sshin * without specific prior written permission. 4753541Sshin * 4853541Sshin * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 4953541Sshin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 5053541Sshin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 5153541Sshin * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 5253541Sshin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 5353541Sshin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 5453541Sshin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 5553541Sshin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 5653541Sshin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5753541Sshin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5853541Sshin * SUCH DAMAGE. 5953541Sshin * 6053541Sshin * @(#)ip_var.h 8.1 (Berkeley) 6/10/93 61174510Sobrien * $FreeBSD: head/sys/netinet6/ip6_var.h 180371 2008-07-08 18:41:36Z bz $ 6253541Sshin */ 6353541Sshin 6453541Sshin#ifndef _NETINET6_IP6_VAR_H_ 6553541Sshin#define _NETINET6_IP6_VAR_H_ 6653541Sshin 6753541Sshin/* 6853541Sshin * IP6 reassembly queue structure. Each fragment 6953541Sshin * being reassembled is attached to one of these structures. 7053541Sshin */ 7153541Sshinstruct ip6q { 7262587Sitojun struct ip6asfrag *ip6q_down; 7362587Sitojun struct ip6asfrag *ip6q_up; 7462587Sitojun u_int32_t ip6q_ident; 75170275Sjinmei u_int8_t ip6q_nxt; 76170275Sjinmei u_int8_t ip6q_ecn; 7762587Sitojun u_int8_t ip6q_ttl; 78170275Sjinmei struct in6_addr ip6q_src, ip6q_dst; 7962587Sitojun struct ip6q *ip6q_next; 8062587Sitojun struct ip6q *ip6q_prev; 8162587Sitojun int ip6q_unfrglen; /* len of unfragmentable part */ 8262587Sitojun#ifdef notyet 8362587Sitojun u_char *ip6q_nxtp; 8462587Sitojun#endif 85121345Sume int ip6q_nfrag; /* # of fragments */ 8653541Sshin}; 8753541Sshin 8853541Sshinstruct ip6asfrag { 8962587Sitojun struct ip6asfrag *ip6af_down; 9062587Sitojun struct ip6asfrag *ip6af_up; 9162587Sitojun struct mbuf *ip6af_m; 9262587Sitojun int ip6af_offset; /* offset in ip6af_m to next header */ 9362587Sitojun int ip6af_frglen; /* fragmentable part length */ 9462587Sitojun int ip6af_off; /* fragment offset */ 9562587Sitojun u_int16_t ip6af_mff; /* more fragment bit in frag off */ 9653541Sshin}; 9753541Sshin 9853541Sshin#define IP6_REASS_MBUF(ip6af) (*(struct mbuf **)&((ip6af)->ip6af_m)) 9953541Sshin 10053541Sshinstruct ip6_moptions { 10153541Sshin struct ifnet *im6o_multicast_ifp; /* ifp for outgoing multicasts */ 10253541Sshin u_char im6o_multicast_hlim; /* hoplimit for outgoing multicasts */ 10353541Sshin u_char im6o_multicast_loop; /* 1 >= hear sends if a member */ 10460938Sjake LIST_HEAD(, in6_multi_mship) im6o_memberships; 10553541Sshin}; 10653541Sshin 10753541Sshin/* 10853541Sshin * Control options for outgoing packets 10953541Sshin */ 11053541Sshin 11153541Sshin/* Routing header related info */ 11253541Sshinstruct ip6po_rhinfo { 11353541Sshin struct ip6_rthdr *ip6po_rhi_rthdr; /* Routing header */ 11453541Sshin struct route_in6 ip6po_rhi_route; /* Route to the 1st hop */ 11553541Sshin}; 11662587Sitojun#define ip6po_rthdr ip6po_rhinfo.ip6po_rhi_rthdr 11762587Sitojun#define ip6po_route ip6po_rhinfo.ip6po_rhi_route 11853541Sshin 119121472Sume/* Nexthop related info */ 120121472Sumestruct ip6po_nhinfo { 121121472Sume struct sockaddr *ip6po_nhi_nexthop; 122121472Sume struct route_in6 ip6po_nhi_route; /* Route to the nexthop */ 123121472Sume}; 124121472Sume#define ip6po_nexthop ip6po_nhinfo.ip6po_nhi_nexthop 125121472Sume#define ip6po_nextroute ip6po_nhinfo.ip6po_nhi_route 126121472Sume 12753541Sshinstruct ip6_pktopts { 12853541Sshin struct mbuf *ip6po_m; /* Pointer to mbuf storing the data */ 12978064Sume int ip6po_hlim; /* Hoplimit for outgoing packets */ 13078064Sume 13178064Sume /* Outgoing IF/address information */ 13278064Sume struct in6_pktinfo *ip6po_pktinfo; 13378064Sume 134121472Sume /* Next-hop address information */ 135121472Sume struct ip6po_nhinfo ip6po_nhinfo; 136121472Sume 13753541Sshin struct ip6_hbh *ip6po_hbh; /* Hop-by-Hop options header */ 13878064Sume 13978064Sume /* Destination options header (before a routing header) */ 14078064Sume struct ip6_dest *ip6po_dest1; 14178064Sume 14278064Sume /* Routing header related info. */ 14378064Sume struct ip6po_rhinfo ip6po_rhinfo; 14478064Sume 14578064Sume /* Destination options header (after a routing header) */ 14678064Sume struct ip6_dest *ip6po_dest2; 147121472Sume 148121472Sume int ip6po_tclass; /* traffic class */ 149121472Sume 150121472Sume int ip6po_minmtu; /* fragment vs PMTU discovery policy */ 151121472Sume#define IP6PO_MINMTU_MCASTONLY -1 /* default; send at min MTU for multicast*/ 152121472Sume#define IP6PO_MINMTU_DISABLE 0 /* always perform pmtu disc */ 153121472Sume#define IP6PO_MINMTU_ALL 1 /* always send at min MTU */ 154121472Sume 155121472Sume int ip6po_prefer_tempaddr; /* whether temporary addresses are 156121472Sume preferred as source address */ 157121472Sume#define IP6PO_TEMPADDR_SYSTEM -1 /* follow the system default */ 158121472Sume#define IP6PO_TEMPADDR_NOTPREFER 0 /* not prefer temporary address */ 159121472Sume#define IP6PO_TEMPADDR_PREFER 1 /* prefer temporary address */ 160121472Sume 161121472Sume int ip6po_flags; 162121472Sume#if 0 /* parameters in this block is obsolete. do not reuse the values. */ 163121472Sume#define IP6PO_REACHCONF 0x01 /* upper-layer reachability confirmation. */ 164121472Sume#define IP6PO_MINMTU 0x02 /* use minimum MTU (IPV6_USE_MIN_MTU) */ 165121472Sume#endif 166121472Sume#define IP6PO_DONTFRAG 0x04 /* disable fragmentation (IPV6_DONTFRAG) */ 167121472Sume#define IP6PO_USECOA 0x08 /* use care of address */ 16853541Sshin}; 16953541Sshin 17078064Sume/* 17178064Sume * Control options for incoming packets 17278064Sume */ 17378064Sume 17453541Sshinstruct ip6stat { 17562587Sitojun u_quad_t ip6s_total; /* total packets received */ 17662587Sitojun u_quad_t ip6s_tooshort; /* packet too short */ 17762587Sitojun u_quad_t ip6s_toosmall; /* not enough data */ 17862587Sitojun u_quad_t ip6s_fragments; /* fragments received */ 17962587Sitojun u_quad_t ip6s_fragdropped; /* frags dropped(dups, out of space) */ 18062587Sitojun u_quad_t ip6s_fragtimeout; /* fragments timed out */ 18162587Sitojun u_quad_t ip6s_fragoverflow; /* fragments that exceeded limit */ 18262587Sitojun u_quad_t ip6s_forward; /* packets forwarded */ 18362587Sitojun u_quad_t ip6s_cantforward; /* packets rcvd for unreachable dest */ 18462587Sitojun u_quad_t ip6s_redirectsent; /* packets forwarded on same net */ 18562587Sitojun u_quad_t ip6s_delivered; /* datagrams delivered to upper level*/ 18662587Sitojun u_quad_t ip6s_localout; /* total ip packets generated here */ 18762587Sitojun u_quad_t ip6s_odropped; /* lost packets due to nobufs, etc. */ 18862587Sitojun u_quad_t ip6s_reassembled; /* total packets reassembled ok */ 189120913Sume u_quad_t ip6s_fragmented; /* datagrams successfully fragmented */ 19062587Sitojun u_quad_t ip6s_ofragments; /* output fragments created */ 19162587Sitojun u_quad_t ip6s_cantfrag; /* don't fragment flag was set, etc. */ 19262587Sitojun u_quad_t ip6s_badoptions; /* error in option processing */ 19362587Sitojun u_quad_t ip6s_noroute; /* packets discarded due to no route */ 19462587Sitojun u_quad_t ip6s_badvers; /* ip6 version != 6 */ 19562587Sitojun u_quad_t ip6s_rawout; /* total raw ip packets generated */ 19662587Sitojun u_quad_t ip6s_badscope; /* scope error */ 19762587Sitojun u_quad_t ip6s_notmember; /* don't join this multicast group */ 19862587Sitojun u_quad_t ip6s_nxthist[256]; /* next header history */ 19962587Sitojun u_quad_t ip6s_m1; /* one mbuf */ 20062587Sitojun u_quad_t ip6s_m2m[32]; /* two or more mbuf */ 20162587Sitojun u_quad_t ip6s_mext1; /* one ext mbuf */ 20262587Sitojun u_quad_t ip6s_mext2m; /* two or more ext mbuf */ 20362587Sitojun u_quad_t ip6s_exthdrtoolong; /* ext hdr are not continuous */ 20462587Sitojun u_quad_t ip6s_nogif; /* no match gif found */ 20562587Sitojun u_quad_t ip6s_toomanyhdr; /* discarded due to too many headers */ 20662587Sitojun 20762587Sitojun /* 20862587Sitojun * statistics for improvement of the source address selection 20962587Sitojun * algorithm: 21062587Sitojun * XXX: hardcoded 16 = # of ip6 multicast scope types + 1 21162587Sitojun */ 21262587Sitojun /* number of times that address selection fails */ 21362587Sitojun u_quad_t ip6s_sources_none; 21462587Sitojun /* number of times that an address on the outgoing I/F is chosen */ 21562587Sitojun u_quad_t ip6s_sources_sameif[16]; 21662587Sitojun /* number of times that an address on a non-outgoing I/F is chosen */ 21762587Sitojun u_quad_t ip6s_sources_otherif[16]; 21862587Sitojun /* 21962587Sitojun * number of times that an address that has the same scope 22062587Sitojun * from the destination is chosen. 22162587Sitojun */ 22262587Sitojun u_quad_t ip6s_sources_samescope[16]; 22362587Sitojun /* 22462587Sitojun * number of times that an address that has a different scope 22562587Sitojun * from the destination is chosen. 22662587Sitojun */ 22762587Sitojun u_quad_t ip6s_sources_otherscope[16]; 228108470Sschweikh /* number of times that a deprecated address is chosen */ 22962587Sitojun u_quad_t ip6s_sources_deprecated[16]; 23062587Sitojun 23162587Sitojun u_quad_t ip6s_forward_cachehit; 23262587Sitojun u_quad_t ip6s_forward_cachemiss; 233122077Sume 234122077Sume /* number of times that each rule of source selection is applied. */ 235122077Sume u_quad_t ip6s_sources_rule[16]; 23653541Sshin}; 23753541Sshin 23853541Sshin#ifdef _KERNEL 23978064Sume/* 24078064Sume * IPv6 onion peeling state. 24178064Sume * it will be initialized when we come into ip6_input(). 24278064Sume * XXX do not make it a kitchen sink! 24378064Sume */ 24478064Sumestruct ip6aux { 24578064Sume u_int32_t ip6a_flags; 24678064Sume#define IP6A_SWAP 0x01 /* swapped home/care-of on packet */ 24778064Sume#define IP6A_HASEEN 0x02 /* HA was present */ 24878064Sume#define IP6A_BRUID 0x04 /* BR Unique Identifier was present */ 24978064Sume#define IP6A_RTALERTSEEN 0x08 /* rtalert present */ 25078064Sume 25178064Sume /* ip6.ip6_src */ 25278064Sume struct in6_addr ip6a_careof; /* care-of address of the peer */ 25378064Sume struct in6_addr ip6a_home; /* home address of the peer */ 25478064Sume u_int16_t ip6a_bruid; /* BR unique identifier */ 25578064Sume 25678064Sume /* ip6.ip6_dst */ 25778064Sume struct in6_ifaddr *ip6a_dstia6; /* my ifaddr that matches ip6_dst */ 25878064Sume 25978064Sume /* rtalert */ 26078064Sume u_int16_t ip6a_rtalert; /* rtalert option value */ 26178064Sume 26278064Sume /* 26378064Sume * decapsulation history will be here. 26478064Sume * with IPsec it may not be accurate. 26578064Sume */ 26678064Sume}; 26778064Sume#endif 26878064Sume 26978064Sume#ifdef _KERNEL 27053541Sshin/* flags passed to ip6_output as last parameter */ 271151536Ssuz#define IPV6_UNSPECSRC 0x01 /* allow :: as the source address */ 27253541Sshin#define IPV6_FORWARDING 0x02 /* most of IPv6 header exists */ 27362587Sitojun#define IPV6_MINMTU 0x04 /* use minimum MTU (IPV6_USE_MIN_MTU) */ 27453541Sshin 275147744Sthompsa#ifdef __NO_STRICT_ALIGNMENT 276147744Sthompsa#define IP6_HDR_ALIGNED_P(ip) 1 277147744Sthompsa#else 278147744Sthompsa#define IP6_HDR_ALIGNED_P(ip) ((((intptr_t) (ip)) & 3) == 0) 279147744Sthompsa#endif 280147744Sthompsa 28153541Sshinextern struct ip6stat ip6stat; /* statistics */ 28253541Sshinextern int ip6_defhlim; /* default hop limit */ 28353541Sshinextern int ip6_defmcasthlim; /* default multicast hop limit */ 28453541Sshinextern int ip6_forwarding; /* act as router? */ 28553541Sshinextern int ip6_forward_srcrt; /* forward src-routed? */ 28653541Sshinextern int ip6_gif_hlim; /* Hop limit for gif encap packet */ 28753541Sshinextern int ip6_use_deprecated; /* allow deprecated addr as source */ 28853541Sshinextern int ip6_rr_prune; /* router renumbering prefix 28953541Sshin * walk list every 5 sec. */ 290149033Sumeextern int ip6_mcast_pmtu; /* enable pMTU discovery for multicast? */ 29178064Sumeextern int ip6_v6only; 29253541Sshin 293171260Sdelphijextern struct socket *ip6_mrouter; /* multicast routing daemon */ 29453541Sshinextern int ip6_sendredirects; /* send IP redirects when forwarding? */ 29553541Sshinextern int ip6_maxfragpackets; /* Maximum packets in reassembly queue */ 296121345Sumeextern int ip6_maxfrags; /* Maximum fragments in reassembly queue */ 29753541Sshinextern int ip6_sourcecheck; /* Verify source interface */ 29853541Sshinextern int ip6_sourcecheck_interval; /* Interval between log messages */ 29953541Sshinextern int ip6_accept_rtadv; /* Acts as a host not a router */ 30053541Sshinextern int ip6_keepfaith; /* Firewall Aided Internet Translator */ 30153541Sshinextern int ip6_log_interval; 30253541Sshinextern time_t ip6_log_time; 30353541Sshinextern int ip6_hdrnestlimit; /* upper limit of # of extension headers */ 30453541Sshinextern int ip6_dad_count; /* DupAddrDetectionTransmits */ 30553541Sshin 30662587Sitojunextern int ip6_auto_flowlabel; 30778064Sumeextern int ip6_auto_linklocal; 30853541Sshin 30978064Sumeextern int ip6_anonportmin; /* minimum ephemeral port */ 31078064Sumeextern int ip6_anonportmax; /* maximum ephemeral port */ 31178064Sumeextern int ip6_lowportmin; /* minimum reserved port */ 31278064Sumeextern int ip6_lowportmax; /* maximum reserved port */ 31378064Sume 31478064Sumeextern int ip6_use_tempaddr; /* whether to use temporary addresses. */ 315122077Sumeextern int ip6_prefer_tempaddr; /* whether to prefer temporary addresses 316122077Sume in the source address selection */ 31778064Sume 318148385Sumeextern int ip6_use_defzone; /* whether to use the default scope zone 319148385Sume when unspecified */ 320148385Sume 321134383Sandreextern struct pfil_head inet6_pfil_hook; /* packet filter hooks */ 322148921Ssuz#ifdef IPSTEALTH 323148921Ssuzextern int ip6stealth; 324148921Ssuz#endif 325120386Ssam 32653541Sshinextern struct pr_usrreqs rip6_usrreqs; 32762587Sitojunstruct sockopt; 32853541Sshin 32962587Sitojunstruct inpcb; 33062587Sitojun 33153541Sshinint icmp6_ctloutput __P((struct socket *, struct sockopt *sopt)); 33253541Sshin 33378064Sumestruct in6_ifaddr; 33453541Sshinvoid ip6_init __P((void)); 33553541Sshinvoid ip6_input __P((struct mbuf *)); 33678064Sumestruct in6_ifaddr *ip6_getdstifaddr __P((struct mbuf *)); 33778064Sumevoid ip6_freepcbopts __P((struct ip6_pktopts *)); 33853541Sshinvoid ip6_freemoptions __P((struct ip6_moptions *)); 33953541Sshinint ip6_unknown_opt __P((u_int8_t *, struct mbuf *, int)); 34053541Sshinchar * ip6_get_prevhdr __P((struct mbuf *, int)); 34162587Sitojunint ip6_nexthdr __P((struct mbuf *, int, int, int *)); 34262587Sitojunint ip6_lasthdr __P((struct mbuf *, int, int, int *)); 34378064Sume 344121673Sumestruct ip6aux *ip6_addaux __P((struct mbuf *)); 345121673Sumestruct ip6aux *ip6_findaux __P((struct mbuf *)); 34678064Sumevoid ip6_delaux __P((struct mbuf *)); 34778064Sume 348166938Sbmsextern int (*ip6_mforward)(struct ip6_hdr *, struct ifnet *, 349166938Sbms struct mbuf *); 350166938Sbms 35153541Sshinint ip6_process_hopopts __P((struct mbuf *, u_int8_t *, int, u_int32_t *, 35253541Sshin u_int32_t *)); 353179289Sbzint ip6_savecontrol_v4(struct inpcb *, struct mbuf *, struct mbuf **); 354121674Sumevoid ip6_savecontrol __P((struct inpcb *, struct mbuf *, struct mbuf **)); 35578064Sumevoid ip6_notify_pmtu __P((struct inpcb *, struct sockaddr_in6 *, 35678064Sume u_int32_t *)); 35753541Sshinint ip6_sysctl __P((int *, u_int, void *, size_t *, void *, size_t)); 35853541Sshin 35953541Sshinvoid ip6_forward __P((struct mbuf *, int)); 36053541Sshin 36153541Sshinvoid ip6_mloopback __P((struct ifnet *, struct mbuf *, struct sockaddr_in6 *)); 36253541Sshinint ip6_output __P((struct mbuf *, struct ip6_pktopts *, 36378064Sume struct route_in6 *, 36478064Sume int, 365105194Ssam struct ip6_moptions *, struct ifnet **, 366105194Ssam struct inpcb *)); 367120913Sumeint ip6_ctloutput __P((struct socket *, struct sockopt *)); 368121578Sumeint ip6_raw_ctloutput __P((struct socket *, struct sockopt *)); 369148242Sumevoid ip6_initpktopts __P((struct ip6_pktopts *)); 370148242Sumeint ip6_setpktopts __P((struct mbuf *, struct ip6_pktopts *, 371175630Sbz struct ip6_pktopts *, struct ucred *, int)); 372121472Sumevoid ip6_clearpktopts __P((struct ip6_pktopts *, int)); 37362587Sitojunstruct ip6_pktopts *ip6_copypktopts __P((struct ip6_pktopts *, int)); 37453541Sshinint ip6_optlen __P((struct inpcb *)); 37553541Sshin 37653541Sshinint route6_input __P((struct mbuf **, int *, int)); 37753541Sshin 37853541Sshinvoid frag6_init __P((void)); 37953541Sshinint frag6_input __P((struct mbuf **, int *, int)); 38053541Sshinvoid frag6_slowtimo __P((void)); 38153541Sshinvoid frag6_drain __P((void)); 38253541Sshin 38353541Sshinvoid rip6_init __P((void)); 384120913Sumeint rip6_input __P((struct mbuf **, int *, int)); 38562587Sitojunvoid rip6_ctlinput __P((int, struct sockaddr *, void *)); 386120913Sumeint rip6_ctloutput __P((struct socket *, struct sockopt *)); 38753541Sshinint rip6_output __P((struct mbuf *, ...)); 38853541Sshinint rip6_usrreq __P((struct socket *, 38983366Sjulian int, struct mbuf *, struct mbuf *, struct mbuf *, struct thread *)); 39053541Sshin 39153541Sshinint dest6_input __P((struct mbuf **, int *, int)); 39253541Sshinint none_input __P((struct mbuf **, int *, int)); 393120639Sume 394180371Sbzstruct in6_addr *in6_selectsrc __P((struct sockaddr_in6 *, struct ip6_pktopts *, 395180371Sbz struct inpcb *inp, struct route_in6 *, struct ucred *cred, 396180371Sbz struct ifnet **, int *)); 397122077Sumeint in6_selectroute __P((struct sockaddr_in6 *, struct ip6_pktopts *, 398122077Sume struct ip6_moptions *, struct route_in6 *, struct ifnet **, 399122077Sume struct rtentry **, int)); 400120639Sumeu_int32_t ip6_randomid __P((void)); 401120649Sumeu_int32_t ip6_randomflowlabel __P((void)); 40253541Sshin#endif /* _KERNEL */ 40353541Sshin 40453541Sshin#endif /* !_NETINET6_IP6_VAR_H_ */ 405