ip6_var.h revision 147744
162587Sitojun/* $FreeBSD: head/sys/netinet6/ip6_var.h 147744 2005-07-02 23:13:31Z thompsa $ */ 278064Sume/* $KAME: ip6_var.h,v 1.62 2001/05/03 14:51:48 itojun Exp $ */ 362587Sitojun 4139826Simp/*- 553541Sshin * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 653541Sshin * All rights reserved. 753541Sshin * 853541Sshin * Redistribution and use in source and binary forms, with or without 953541Sshin * modification, are permitted provided that the following conditions 1053541Sshin * are met: 1153541Sshin * 1. Redistributions of source code must retain the above copyright 1253541Sshin * notice, this list of conditions and the following disclaimer. 1353541Sshin * 2. Redistributions in binary form must reproduce the above copyright 1453541Sshin * notice, this list of conditions and the following disclaimer in the 1553541Sshin * documentation and/or other materials provided with the distribution. 1653541Sshin * 3. Neither the name of the project nor the names of its contributors 1753541Sshin * may be used to endorse or promote products derived from this software 1853541Sshin * without specific prior written permission. 1953541Sshin * 2053541Sshin * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 2153541Sshin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2253541Sshin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2353541Sshin * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 2453541Sshin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2553541Sshin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2653541Sshin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2753541Sshin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2853541Sshin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2953541Sshin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3053541Sshin * SUCH DAMAGE. 3153541Sshin */ 3253541Sshin 33139826Simp/*- 3453541Sshin * Copyright (c) 1982, 1986, 1993 3553541Sshin * The Regents of the University of California. All rights reserved. 3653541Sshin * 3753541Sshin * Redistribution and use in source and binary forms, with or without 3853541Sshin * modification, are permitted provided that the following conditions 3953541Sshin * are met: 4053541Sshin * 1. Redistributions of source code must retain the above copyright 4153541Sshin * notice, this list of conditions and the following disclaimer. 4253541Sshin * 2. Redistributions in binary form must reproduce the above copyright 4353541Sshin * notice, this list of conditions and the following disclaimer in the 4453541Sshin * documentation and/or other materials provided with the distribution. 4553541Sshin * 4. Neither the name of the University nor the names of its contributors 4653541Sshin * may be used to endorse or promote products derived from this software 4753541Sshin * without specific prior written permission. 4853541Sshin * 4953541Sshin * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 5053541Sshin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 5153541Sshin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 5253541Sshin * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 5353541Sshin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 5453541Sshin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 5553541Sshin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 5653541Sshin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 5753541Sshin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5853541Sshin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5953541Sshin * SUCH DAMAGE. 6053541Sshin * 6153541Sshin * @(#)ip_var.h 8.1 (Berkeley) 6/10/93 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 u_int32_t ip6q_head; 7362587Sitojun u_int16_t ip6q_len; 7462587Sitojun u_int8_t ip6q_nxt; /* ip6f_nxt in first fragment */ 7562587Sitojun u_int8_t ip6q_hlim; 7662587Sitojun struct ip6asfrag *ip6q_down; 7762587Sitojun struct ip6asfrag *ip6q_up; 7862587Sitojun u_int32_t ip6q_ident; 7962587Sitojun u_int8_t ip6q_arrive; 8062587Sitojun u_int8_t ip6q_ttl; 8162587Sitojun struct in6_addr ip6q_src, ip6q_dst; 8262587Sitojun struct ip6q *ip6q_next; 8362587Sitojun struct ip6q *ip6q_prev; 8462587Sitojun int ip6q_unfrglen; /* len of unfragmentable part */ 8562587Sitojun#ifdef notyet 8662587Sitojun u_char *ip6q_nxtp; 8762587Sitojun#endif 88121345Sume int ip6q_nfrag; /* # of fragments */ 8953541Sshin}; 9053541Sshin 9153541Sshinstruct ip6asfrag { 9262587Sitojun u_int32_t ip6af_head; 9362587Sitojun u_int16_t ip6af_len; 9462587Sitojun u_int8_t ip6af_nxt; 9562587Sitojun u_int8_t ip6af_hlim; 9653541Sshin /* must not override the above members during reassembling */ 9762587Sitojun struct ip6asfrag *ip6af_down; 9862587Sitojun struct ip6asfrag *ip6af_up; 9962587Sitojun struct mbuf *ip6af_m; 10062587Sitojun int ip6af_offset; /* offset in ip6af_m to next header */ 10162587Sitojun int ip6af_frglen; /* fragmentable part length */ 10262587Sitojun int ip6af_off; /* fragment offset */ 10362587Sitojun u_int16_t ip6af_mff; /* more fragment bit in frag off */ 10453541Sshin}; 10553541Sshin 10653541Sshin#define IP6_REASS_MBUF(ip6af) (*(struct mbuf **)&((ip6af)->ip6af_m)) 10753541Sshin 10853541Sshinstruct ip6_moptions { 10953541Sshin struct ifnet *im6o_multicast_ifp; /* ifp for outgoing multicasts */ 11053541Sshin u_char im6o_multicast_hlim; /* hoplimit for outgoing multicasts */ 11153541Sshin u_char im6o_multicast_loop; /* 1 >= hear sends if a member */ 11260938Sjake LIST_HEAD(, in6_multi_mship) im6o_memberships; 11353541Sshin}; 11453541Sshin 11553541Sshin/* 11653541Sshin * Control options for outgoing packets 11753541Sshin */ 11853541Sshin 11953541Sshin/* Routing header related info */ 12053541Sshinstruct ip6po_rhinfo { 12153541Sshin struct ip6_rthdr *ip6po_rhi_rthdr; /* Routing header */ 12253541Sshin struct route_in6 ip6po_rhi_route; /* Route to the 1st hop */ 12353541Sshin}; 12462587Sitojun#define ip6po_rthdr ip6po_rhinfo.ip6po_rhi_rthdr 12562587Sitojun#define ip6po_route ip6po_rhinfo.ip6po_rhi_route 12653541Sshin 127121472Sume/* Nexthop related info */ 128121472Sumestruct ip6po_nhinfo { 129121472Sume struct sockaddr *ip6po_nhi_nexthop; 130121472Sume struct route_in6 ip6po_nhi_route; /* Route to the nexthop */ 131121472Sume}; 132121472Sume#define ip6po_nexthop ip6po_nhinfo.ip6po_nhi_nexthop 133121472Sume#define ip6po_nextroute ip6po_nhinfo.ip6po_nhi_route 134121472Sume 13553541Sshinstruct ip6_pktopts { 13653541Sshin struct mbuf *ip6po_m; /* Pointer to mbuf storing the data */ 13778064Sume int ip6po_hlim; /* Hoplimit for outgoing packets */ 13878064Sume 13978064Sume /* Outgoing IF/address information */ 14078064Sume struct in6_pktinfo *ip6po_pktinfo; 14178064Sume 142121472Sume /* Next-hop address information */ 143121472Sume struct ip6po_nhinfo ip6po_nhinfo; 144121472Sume 14553541Sshin struct ip6_hbh *ip6po_hbh; /* Hop-by-Hop options header */ 14678064Sume 14778064Sume /* Destination options header (before a routing header) */ 14878064Sume struct ip6_dest *ip6po_dest1; 14978064Sume 15078064Sume /* Routing header related info. */ 15178064Sume struct ip6po_rhinfo ip6po_rhinfo; 15278064Sume 15378064Sume /* Destination options header (after a routing header) */ 15478064Sume struct ip6_dest *ip6po_dest2; 155121472Sume 156121472Sume int ip6po_tclass; /* traffic class */ 157121472Sume 158121472Sume int ip6po_minmtu; /* fragment vs PMTU discovery policy */ 159121472Sume#define IP6PO_MINMTU_MCASTONLY -1 /* default; send at min MTU for multicast*/ 160121472Sume#define IP6PO_MINMTU_DISABLE 0 /* always perform pmtu disc */ 161121472Sume#define IP6PO_MINMTU_ALL 1 /* always send at min MTU */ 162121472Sume 163121472Sume int ip6po_prefer_tempaddr; /* whether temporary addresses are 164121472Sume preferred as source address */ 165121472Sume#define IP6PO_TEMPADDR_SYSTEM -1 /* follow the system default */ 166121472Sume#define IP6PO_TEMPADDR_NOTPREFER 0 /* not prefer temporary address */ 167121472Sume#define IP6PO_TEMPADDR_PREFER 1 /* prefer temporary address */ 168121472Sume 169121472Sume int ip6po_flags; 170121472Sume#if 0 /* parameters in this block is obsolete. do not reuse the values. */ 171121472Sume#define IP6PO_REACHCONF 0x01 /* upper-layer reachability confirmation. */ 172121472Sume#define IP6PO_MINMTU 0x02 /* use minimum MTU (IPV6_USE_MIN_MTU) */ 173121472Sume#endif 174121472Sume#define IP6PO_DONTFRAG 0x04 /* disable fragmentation (IPV6_DONTFRAG) */ 175121472Sume#define IP6PO_USECOA 0x08 /* use care of address */ 176121472Sume 177121472Sume int needfree; /* members dynamically allocated */ 17853541Sshin}; 17953541Sshin 18078064Sume/* 18178064Sume * Control options for incoming packets 18278064Sume */ 18378064Sume 18453541Sshinstruct ip6stat { 18562587Sitojun u_quad_t ip6s_total; /* total packets received */ 18662587Sitojun u_quad_t ip6s_tooshort; /* packet too short */ 18762587Sitojun u_quad_t ip6s_toosmall; /* not enough data */ 18862587Sitojun u_quad_t ip6s_fragments; /* fragments received */ 18962587Sitojun u_quad_t ip6s_fragdropped; /* frags dropped(dups, out of space) */ 19062587Sitojun u_quad_t ip6s_fragtimeout; /* fragments timed out */ 19162587Sitojun u_quad_t ip6s_fragoverflow; /* fragments that exceeded limit */ 19262587Sitojun u_quad_t ip6s_forward; /* packets forwarded */ 19362587Sitojun u_quad_t ip6s_cantforward; /* packets rcvd for unreachable dest */ 19462587Sitojun u_quad_t ip6s_redirectsent; /* packets forwarded on same net */ 19562587Sitojun u_quad_t ip6s_delivered; /* datagrams delivered to upper level*/ 19662587Sitojun u_quad_t ip6s_localout; /* total ip packets generated here */ 19762587Sitojun u_quad_t ip6s_odropped; /* lost packets due to nobufs, etc. */ 19862587Sitojun u_quad_t ip6s_reassembled; /* total packets reassembled ok */ 199120913Sume u_quad_t ip6s_fragmented; /* datagrams successfully fragmented */ 20062587Sitojun u_quad_t ip6s_ofragments; /* output fragments created */ 20162587Sitojun u_quad_t ip6s_cantfrag; /* don't fragment flag was set, etc. */ 20262587Sitojun u_quad_t ip6s_badoptions; /* error in option processing */ 20362587Sitojun u_quad_t ip6s_noroute; /* packets discarded due to no route */ 20462587Sitojun u_quad_t ip6s_badvers; /* ip6 version != 6 */ 20562587Sitojun u_quad_t ip6s_rawout; /* total raw ip packets generated */ 20662587Sitojun u_quad_t ip6s_badscope; /* scope error */ 20762587Sitojun u_quad_t ip6s_notmember; /* don't join this multicast group */ 20862587Sitojun u_quad_t ip6s_nxthist[256]; /* next header history */ 20962587Sitojun u_quad_t ip6s_m1; /* one mbuf */ 21062587Sitojun u_quad_t ip6s_m2m[32]; /* two or more mbuf */ 21162587Sitojun u_quad_t ip6s_mext1; /* one ext mbuf */ 21262587Sitojun u_quad_t ip6s_mext2m; /* two or more ext mbuf */ 21362587Sitojun u_quad_t ip6s_exthdrtoolong; /* ext hdr are not continuous */ 21462587Sitojun u_quad_t ip6s_nogif; /* no match gif found */ 21562587Sitojun u_quad_t ip6s_toomanyhdr; /* discarded due to too many headers */ 21662587Sitojun 21762587Sitojun /* 21862587Sitojun * statistics for improvement of the source address selection 21962587Sitojun * algorithm: 22062587Sitojun * XXX: hardcoded 16 = # of ip6 multicast scope types + 1 22162587Sitojun */ 22262587Sitojun /* number of times that address selection fails */ 22362587Sitojun u_quad_t ip6s_sources_none; 22462587Sitojun /* number of times that an address on the outgoing I/F is chosen */ 22562587Sitojun u_quad_t ip6s_sources_sameif[16]; 22662587Sitojun /* number of times that an address on a non-outgoing I/F is chosen */ 22762587Sitojun u_quad_t ip6s_sources_otherif[16]; 22862587Sitojun /* 22962587Sitojun * number of times that an address that has the same scope 23062587Sitojun * from the destination is chosen. 23162587Sitojun */ 23262587Sitojun u_quad_t ip6s_sources_samescope[16]; 23362587Sitojun /* 23462587Sitojun * number of times that an address that has a different scope 23562587Sitojun * from the destination is chosen. 23662587Sitojun */ 23762587Sitojun u_quad_t ip6s_sources_otherscope[16]; 238108470Sschweikh /* number of times that a deprecated address is chosen */ 23962587Sitojun u_quad_t ip6s_sources_deprecated[16]; 24062587Sitojun 24162587Sitojun u_quad_t ip6s_forward_cachehit; 24262587Sitojun u_quad_t ip6s_forward_cachemiss; 243122077Sume 244122077Sume /* number of times that each rule of source selection is applied. */ 245122077Sume u_quad_t ip6s_sources_rule[16]; 24653541Sshin}; 24753541Sshin 24853541Sshin#ifdef _KERNEL 24978064Sume/* 25078064Sume * IPv6 onion peeling state. 25178064Sume * it will be initialized when we come into ip6_input(). 25278064Sume * XXX do not make it a kitchen sink! 25378064Sume */ 25478064Sumestruct ip6aux { 25578064Sume u_int32_t ip6a_flags; 25678064Sume#define IP6A_SWAP 0x01 /* swapped home/care-of on packet */ 25778064Sume#define IP6A_HASEEN 0x02 /* HA was present */ 25878064Sume#define IP6A_BRUID 0x04 /* BR Unique Identifier was present */ 25978064Sume#define IP6A_RTALERTSEEN 0x08 /* rtalert present */ 26078064Sume 26178064Sume /* ip6.ip6_src */ 26278064Sume struct in6_addr ip6a_careof; /* care-of address of the peer */ 26378064Sume struct in6_addr ip6a_home; /* home address of the peer */ 26478064Sume u_int16_t ip6a_bruid; /* BR unique identifier */ 26578064Sume 26678064Sume /* ip6.ip6_dst */ 26778064Sume struct in6_ifaddr *ip6a_dstia6; /* my ifaddr that matches ip6_dst */ 26878064Sume 26978064Sume /* rtalert */ 27078064Sume u_int16_t ip6a_rtalert; /* rtalert option value */ 27178064Sume 27278064Sume /* 27378064Sume * decapsulation history will be here. 27478064Sume * with IPsec it may not be accurate. 27578064Sume */ 27678064Sume}; 27778064Sume#endif 27878064Sume 27978064Sume#ifdef _KERNEL 28053541Sshin/* flags passed to ip6_output as last parameter */ 28153541Sshin#define IPV6_DADOUTPUT 0x01 /* DAD */ 28253541Sshin#define IPV6_FORWARDING 0x02 /* most of IPv6 header exists */ 28362587Sitojun#define IPV6_MINMTU 0x04 /* use minimum MTU (IPV6_USE_MIN_MTU) */ 28453541Sshin 285147744Sthompsa#ifdef __NO_STRICT_ALIGNMENT 286147744Sthompsa#define IP6_HDR_ALIGNED_P(ip) 1 287147744Sthompsa#else 288147744Sthompsa#define IP6_HDR_ALIGNED_P(ip) ((((intptr_t) (ip)) & 3) == 0) 289147744Sthompsa#endif 290147744Sthompsa 29153541Sshinextern struct ip6stat ip6stat; /* statistics */ 29253541Sshinextern int ip6_defhlim; /* default hop limit */ 29353541Sshinextern int ip6_defmcasthlim; /* default multicast hop limit */ 29453541Sshinextern int ip6_forwarding; /* act as router? */ 29553541Sshinextern int ip6_forward_srcrt; /* forward src-routed? */ 29653541Sshinextern int ip6_gif_hlim; /* Hop limit for gif encap packet */ 29753541Sshinextern int ip6_use_deprecated; /* allow deprecated addr as source */ 29853541Sshinextern int ip6_rr_prune; /* router renumbering prefix 29953541Sshin * walk list every 5 sec. */ 30078064Sumeextern int ip6_v6only; 30153541Sshin 30262587Sitojunextern struct socket *ip6_mrouter; /* multicast routing daemon */ 30353541Sshinextern int ip6_sendredirects; /* send IP redirects when forwarding? */ 30453541Sshinextern int ip6_maxfragpackets; /* Maximum packets in reassembly queue */ 305121345Sumeextern int ip6_maxfrags; /* Maximum fragments in reassembly queue */ 30653541Sshinextern int ip6_sourcecheck; /* Verify source interface */ 30753541Sshinextern int ip6_sourcecheck_interval; /* Interval between log messages */ 30853541Sshinextern int ip6_accept_rtadv; /* Acts as a host not a router */ 30953541Sshinextern int ip6_keepfaith; /* Firewall Aided Internet Translator */ 31053541Sshinextern int ip6_log_interval; 31153541Sshinextern time_t ip6_log_time; 31253541Sshinextern int ip6_hdrnestlimit; /* upper limit of # of extension headers */ 31353541Sshinextern int ip6_dad_count; /* DupAddrDetectionTransmits */ 31453541Sshin 31562587Sitojunextern int ip6_auto_flowlabel; 31678064Sumeextern int ip6_auto_linklocal; 31753541Sshin 31878064Sumeextern int ip6_anonportmin; /* minimum ephemeral port */ 31978064Sumeextern int ip6_anonportmax; /* maximum ephemeral port */ 32078064Sumeextern int ip6_lowportmin; /* minimum reserved port */ 32178064Sumeextern int ip6_lowportmax; /* maximum reserved port */ 32278064Sume 32378064Sumeextern int ip6_use_tempaddr; /* whether to use temporary addresses. */ 324122077Sumeextern int ip6_prefer_tempaddr; /* whether to prefer temporary addresses 325122077Sume in the source address selection */ 32678064Sume 327134383Sandreextern struct pfil_head inet6_pfil_hook; /* packet filter hooks */ 328120386Ssam 32953541Sshinextern struct pr_usrreqs rip6_usrreqs; 33062587Sitojunstruct sockopt; 33153541Sshin 33262587Sitojunstruct inpcb; 33362587Sitojun 33453541Sshinint icmp6_ctloutput __P((struct socket *, struct sockopt *sopt)); 33553541Sshin 33678064Sumestruct in6_ifaddr; 33753541Sshinvoid ip6_init __P((void)); 33853541Sshinvoid ip6_input __P((struct mbuf *)); 33978064Sumestruct in6_ifaddr *ip6_getdstifaddr __P((struct mbuf *)); 34078064Sumevoid ip6_freepcbopts __P((struct ip6_pktopts *)); 34153541Sshinvoid ip6_freemoptions __P((struct ip6_moptions *)); 34253541Sshinint ip6_unknown_opt __P((u_int8_t *, struct mbuf *, int)); 34353541Sshinchar * ip6_get_prevhdr __P((struct mbuf *, int)); 34462587Sitojunint ip6_nexthdr __P((struct mbuf *, int, int, int *)); 34562587Sitojunint ip6_lasthdr __P((struct mbuf *, int, int, int *)); 34678064Sume 347121673Sumestruct ip6aux *ip6_addaux __P((struct mbuf *)); 348121673Sumestruct ip6aux *ip6_findaux __P((struct mbuf *)); 34978064Sumevoid ip6_delaux __P((struct mbuf *)); 35078064Sume 35153541Sshinint ip6_mforward __P((struct ip6_hdr *, struct ifnet *, struct mbuf *)); 35253541Sshinint ip6_process_hopopts __P((struct mbuf *, u_int8_t *, int, u_int32_t *, 35353541Sshin u_int32_t *)); 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 *)); 36978064Sumevoid init_ip6pktopts __P((struct ip6_pktopts *)); 370121472Sumeint ip6_setpktoptions __P((struct mbuf *, struct ip6_pktopts *, 371121472Sume struct ip6_pktopts *, int, int, 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 394122077Sumestruct in6_addr *in6_selectsrc __P((struct sockaddr_in6 *, 395122077Sume struct ip6_pktopts *, struct ip6_moptions *, struct route_in6 *, 396122077Sume struct in6_addr *, 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