ip6_var.h revision 195727
1119418Sobrien/*- 251694Sroger * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 351694Sroger * All rights reserved. 451694Sroger * 551694Sroger * Redistribution and use in source and binary forms, with or without 651694Sroger * modification, are permitted provided that the following conditions 751694Sroger * are met: 851694Sroger * 1. Redistributions of source code must retain the above copyright 951694Sroger * notice, this list of conditions and the following disclaimer. 1051694Sroger * 2. Redistributions in binary form must reproduce the above copyright 1151694Sroger * notice, this list of conditions and the following disclaimer in the 1251694Sroger * documentation and/or other materials provided with the distribution. 1351694Sroger * 3. Neither the name of the project nor the names of its contributors 1451694Sroger * may be used to endorse or promote products derived from this software 1551694Sroger * without specific prior written permission. 1651694Sroger * 1751694Sroger * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 1851694Sroger * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1951694Sroger * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2051694Sroger * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 2151694Sroger * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2251694Sroger * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2351694Sroger * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2451694Sroger * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2551694Sroger * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2651694Sroger * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2751694Sroger * SUCH DAMAGE. 2851694Sroger * 2951694Sroger * $KAME: ip6_var.h,v 1.62 2001/05/03 14:51:48 itojun Exp $ 3051694Sroger */ 3151694Sroger 3251694Sroger/*- 3351694Sroger * Copyright (c) 1982, 1986, 1993 34119418Sobrien * The Regents of the University of California. All rights reserved. 35119418Sobrien * 3651694Sroger * Redistribution and use in source and binary forms, with or without 37119418Sobrien * modification, are permitted provided that the following conditions 38119418Sobrien * are met: 39119418Sobrien * 1. Redistributions of source code must retain the above copyright 40119418Sobrien * notice, this list of conditions and the following disclaimer. 41119418Sobrien * 2. Redistributions in binary form must reproduce the above copyright 42119418Sobrien * notice, this list of conditions and the following disclaimer in the 43119418Sobrien * documentation and/or other materials provided with the distribution. 44119418Sobrien * 4. Neither the name of the University nor the names of its contributors 45119418Sobrien * may be used to endorse or promote products derived from this software 46119418Sobrien * without specific prior written permission. 47119418Sobrien * 48119418Sobrien * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 4959014Sroger * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 5051694Sroger * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 5151694Sroger * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 5251694Sroger * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 5351694Sroger * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 5462214Sroger * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 5562214Sroger * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 5662214Sroger * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5762214Sroger * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5862214Sroger * SUCH DAMAGE. 5962214Sroger * 6051694Sroger * @(#)ip_var.h 8.1 (Berkeley) 6/10/93 6151694Sroger * $FreeBSD: head/sys/netinet6/ip6_var.h 195727 2009-07-16 21:13:04Z rwatson $ 6251694Sroger */ 6351694Sroger 6451694Sroger#ifndef _NETINET6_IP6_VAR_H_ 6551694Sroger#define _NETINET6_IP6_VAR_H_ 6651694Sroger 6751694Sroger/* 6870834Swollman * IP6 reassembly queue structure. Each fragment 6970834Swollman * being reassembled is attached to one of these structures. 7070834Swollman */ 7151694Srogerstruct ip6q { 7270834Swollman struct ip6asfrag *ip6q_down; 7351694Sroger struct ip6asfrag *ip6q_up; 7451694Sroger u_int32_t ip6q_ident; 7551694Sroger u_int8_t ip6q_nxt; 7651694Sroger u_int8_t ip6q_ecn; 7751694Sroger u_int8_t ip6q_ttl; 7851694Sroger struct in6_addr ip6q_src, ip6q_dst; 7951694Sroger struct ip6q *ip6q_next; 8093023Snsouch struct ip6q *ip6q_prev; 8151694Sroger int ip6q_unfrglen; /* len of unfragmentable part */ 8251694Sroger#ifdef notyet 8351694Sroger u_char *ip6q_nxtp; 8459014Sroger#endif 8559014Sroger int ip6q_nfrag; /* # of fragments */ 8659014Sroger struct label *ip6q_label; 8759014Sroger}; 8859014Sroger 8959014Srogerstruct ip6asfrag { 9051694Sroger struct ip6asfrag *ip6af_down; 9151694Sroger struct ip6asfrag *ip6af_up; 9251694Sroger struct mbuf *ip6af_m; 9351694Sroger int ip6af_offset; /* offset in ip6af_m to next header */ 9451694Sroger int ip6af_frglen; /* fragmentable part length */ 9567306Sroger int ip6af_off; /* fragment offset */ 9667306Sroger u_int16_t ip6af_mff; /* more fragment bit in frag off */ 9751694Sroger}; 9851694Sroger 99119277Simp#define IP6_REASS_MBUF(ip6af) (*(struct mbuf **)&((ip6af)->ip6af_m)) 100119277Simp 101119277Simp/* 102119277Simp * Structure attached to inpcb.in6p_moptions and 10351694Sroger * passed to ip6_output when IPv6 multicast options are in use. 10451694Sroger * This structure is lazy-allocated. 10551694Sroger */ 10651694Srogerstruct ip6_moptions { 10751694Sroger struct ifnet *im6o_multicast_ifp; /* ifp for outgoing multicasts */ 10851694Sroger u_char im6o_multicast_hlim; /* hoplimit for outgoing multicasts */ 10959014Sroger u_char im6o_multicast_loop; /* 1 >= hear sends if a member */ 110118819Salex u_short im6o_num_memberships; /* no. memberships this socket */ 111118819Salex u_short im6o_max_memberships; /* max memberships this socket */ 112118819Salex struct in6_multi **im6o_membership; /* group memberships */ 113118819Salex struct in6_mfilter *im6o_mfilters; /* source filters */ 114118819Salex}; 115118819Salex 11651694Sroger/* 11751694Sroger * Control options for outgoing packets 11851694Sroger */ 11951694Sroger 12051694Sroger/* Routing header related info */ 12151694Srogerstruct ip6po_rhinfo { 12259014Sroger struct ip6_rthdr *ip6po_rhi_rthdr; /* Routing header */ 123118819Salex struct route_in6 ip6po_rhi_route; /* Route to the 1st hop */ 124118819Salex}; 125118819Salex#define ip6po_rthdr ip6po_rhinfo.ip6po_rhi_rthdr 126118819Salex#define ip6po_route ip6po_rhinfo.ip6po_rhi_route 127118819Salex 12851694Sroger/* Nexthop related info */ 12962214Srogerstruct ip6po_nhinfo { 13051694Sroger struct sockaddr *ip6po_nhi_nexthop; 13162214Sroger struct route_in6 ip6po_nhi_route; /* Route to the nexthop */ 13262214Sroger}; 13351694Sroger#define ip6po_nexthop ip6po_nhinfo.ip6po_nhi_nexthop 13451694Sroger#define ip6po_nextroute ip6po_nhinfo.ip6po_nhi_route 13551694Sroger 13651694Srogerstruct ip6_pktopts { 13751694Sroger struct mbuf *ip6po_m; /* Pointer to mbuf storing the data */ 13851694Sroger int ip6po_hlim; /* Hoplimit for outgoing packets */ 13951694Sroger 14051694Sroger /* Outgoing IF/address information */ 14151694Sroger struct in6_pktinfo *ip6po_pktinfo; 14251694Sroger 14351694Sroger /* Next-hop address information */ 14462214Sroger struct ip6po_nhinfo ip6po_nhinfo; 14562214Sroger 14662214Sroger struct ip6_hbh *ip6po_hbh; /* Hop-by-Hop options header */ 14762214Sroger 14862214Sroger /* Destination options header (before a routing header) */ 14962214Sroger struct ip6_dest *ip6po_dest1; 15062214Sroger 15162214Sroger /* Routing header related info. */ 15262214Sroger struct ip6po_rhinfo ip6po_rhinfo; 15362214Sroger 15462214Sroger /* Destination options header (after a routing header) */ 15562214Sroger struct ip6_dest *ip6po_dest2; 15662214Sroger 15762214Sroger int ip6po_tclass; /* traffic class */ 15862214Sroger 15962214Sroger int ip6po_minmtu; /* fragment vs PMTU discovery policy */ 16062214Sroger#define IP6PO_MINMTU_MCASTONLY -1 /* default; send at min MTU for multicast*/ 16162214Sroger#define IP6PO_MINMTU_DISABLE 0 /* always perform pmtu disc */ 16262214Sroger#define IP6PO_MINMTU_ALL 1 /* always send at min MTU */ 16362214Sroger 16459014Sroger int ip6po_prefer_tempaddr; /* whether temporary addresses are 16559014Sroger preferred as source address */ 16659014Sroger#define IP6PO_TEMPADDR_SYSTEM -1 /* follow the system default */ 16759014Sroger#define IP6PO_TEMPADDR_NOTPREFER 0 /* not prefer temporary address */ 16859014Sroger#define IP6PO_TEMPADDR_PREFER 1 /* prefer temporary address */ 16959014Sroger 17059014Sroger int ip6po_flags; 17159014Sroger#if 0 /* parameters in this block is obsolete. do not reuse the values. */ 17259014Sroger#define IP6PO_REACHCONF 0x01 /* upper-layer reachability confirmation. */ 17359014Sroger#define IP6PO_MINMTU 0x02 /* use minimum MTU (IPV6_USE_MIN_MTU) */ 17459014Sroger#endif 17559014Sroger#define IP6PO_DONTFRAG 0x04 /* disable fragmentation (IPV6_DONTFRAG) */ 17651694Sroger#define IP6PO_USECOA 0x08 /* use care of address */ 17751694Sroger}; 17851694Sroger 17962214Sroger/* 18062214Sroger * Control options for incoming packets 18162214Sroger */ 18262214Sroger 18362214Srogerstruct ip6stat { 18462214Sroger u_quad_t ip6s_total; /* total packets received */ 18562214Sroger u_quad_t ip6s_tooshort; /* packet too short */ 18662214Sroger u_quad_t ip6s_toosmall; /* not enough data */ 18762214Sroger u_quad_t ip6s_fragments; /* fragments received */ 18862214Sroger u_quad_t ip6s_fragdropped; /* frags dropped(dups, out of space) */ 18962214Sroger u_quad_t ip6s_fragtimeout; /* fragments timed out */ 19062214Sroger u_quad_t ip6s_fragoverflow; /* fragments that exceeded limit */ 19162214Sroger u_quad_t ip6s_forward; /* packets forwarded */ 19262214Sroger u_quad_t ip6s_cantforward; /* packets rcvd for unreachable dest */ 19362214Sroger u_quad_t ip6s_redirectsent; /* packets forwarded on same net */ 19462214Sroger u_quad_t ip6s_delivered; /* datagrams delivered to upper level*/ 19562214Sroger u_quad_t ip6s_localout; /* total ip packets generated here */ 19693023Snsouch u_quad_t ip6s_odropped; /* lost packets due to nobufs, etc. */ 19765692Sroger u_quad_t ip6s_reassembled; /* total packets reassembled ok */ 19865392Speter u_quad_t ip6s_fragmented; /* datagrams successfully fragmented */ 19993023Snsouch u_quad_t ip6s_ofragments; /* output fragments created */ 20093023Snsouch u_quad_t ip6s_cantfrag; /* don't fragment flag was set, etc. */ 20193023Snsouch u_quad_t ip6s_badoptions; /* error in option processing */ 20262214Sroger u_quad_t ip6s_noroute; /* packets discarded due to no route */ 20365392Speter u_quad_t ip6s_badvers; /* ip6 version != 6 */ 20451694Sroger u_quad_t ip6s_rawout; /* total raw ip packets generated */ 20562214Sroger u_quad_t ip6s_badscope; /* scope error */ 20651694Sroger u_quad_t ip6s_notmember; /* don't join this multicast group */ 20751694Sroger u_quad_t ip6s_nxthist[256]; /* next header history */ 20851694Sroger u_quad_t ip6s_m1; /* one mbuf */ 20951694Sroger u_quad_t ip6s_m2m[32]; /* two or more mbuf */ 21051694Sroger u_quad_t ip6s_mext1; /* one ext mbuf */ 21151694Sroger u_quad_t ip6s_mext2m; /* two or more ext mbuf */ 21251694Sroger u_quad_t ip6s_exthdrtoolong; /* ext hdr are not continuous */ 21351694Sroger u_quad_t ip6s_nogif; /* no match gif found */ 21451694Sroger u_quad_t ip6s_toomanyhdr; /* discarded due to too many headers */ 21551694Sroger 21651694Sroger /* 21751694Sroger * statistics for improvement of the source address selection 21851694Sroger * algorithm: 21951694Sroger * XXX: hardcoded 16 = # of ip6 multicast scope types + 1 22051694Sroger */ 22151694Sroger /* number of times that address selection fails */ 22251694Sroger u_quad_t ip6s_sources_none; 22351694Sroger /* number of times that an address on the outgoing I/F is chosen */ 22493023Snsouch u_quad_t ip6s_sources_sameif[16]; 22593023Snsouch /* number of times that an address on a non-outgoing I/F is chosen */ 22693023Snsouch u_quad_t ip6s_sources_otherif[16]; 22793023Snsouch /* 22893023Snsouch * number of times that an address that has the same scope 22993023Snsouch * from the destination is chosen. 23093023Snsouch */ 23193023Snsouch u_quad_t ip6s_sources_samescope[16]; 23293023Snsouch /* 23393023Snsouch * number of times that an address that has a different scope 23493023Snsouch * from the destination is chosen. 23593023Snsouch */ 23693023Snsouch u_quad_t ip6s_sources_otherscope[16]; 23793023Snsouch /* number of times that a deprecated address is chosen */ 23893023Snsouch u_quad_t ip6s_sources_deprecated[16]; 23993023Snsouch 24051694Sroger /* number of times that each rule of source selection is applied. */ 24151694Sroger u_quad_t ip6s_sources_rule[16]; 24251694Sroger}; 24351694Sroger 24451694Sroger#ifdef _KERNEL 24551694Sroger#define IP6STAT_ADD(name, val) V_ip6stat.name += (val) 24651694Sroger#define IP6STAT_SUB(name, val) V_ip6stat.name -= (val) 24751694Sroger#define IP6STAT_INC(name) IP6STAT_ADD(name, 1) 24851694Sroger#define IP6STAT_DEC(name) IP6STAT_SUB(name, 1) 24951694Sroger#endif 25051694Sroger 25151694Sroger#ifdef _KERNEL 25251694Sroger/* 25351694Sroger * IPv6 onion peeling state. 25451694Sroger * it will be initialized when we come into ip6_input(). 25551694Sroger * XXX do not make it a kitchen sink! 25651694Sroger */ 25751694Srogerstruct ip6aux { 25851694Sroger u_int32_t ip6a_flags; 25951694Sroger#define IP6A_SWAP 0x01 /* swapped home/care-of on packet */ 26051694Sroger#define IP6A_HASEEN 0x02 /* HA was present */ 261111815Sphk#define IP6A_BRUID 0x04 /* BR Unique Identifier was present */ 262111815Sphk#define IP6A_RTALERTSEEN 0x08 /* rtalert present */ 263111815Sphk 264111815Sphk /* ip6.ip6_src */ 265111815Sphk struct in6_addr ip6a_careof; /* care-of address of the peer */ 266111815Sphk struct in6_addr ip6a_home; /* home address of the peer */ 267111815Sphk u_int16_t ip6a_bruid; /* BR unique identifier */ 268111815Sphk 269111815Sphk /* ip6.ip6_dst */ 27051694Sroger struct in6_ifaddr *ip6a_dstia6; /* my ifaddr that matches ip6_dst */ 27151694Sroger 27252995Speter /* rtalert */ 27367306Sroger u_int16_t ip6a_rtalert; /* rtalert option value */ 27465728Sroger 27565728Sroger /* 27667306Sroger * decapsulation history will be here. 27751694Sroger * with IPsec it may not be accurate. 27851694Sroger */ 27951694Sroger}; 28051694Sroger#endif 28151694Sroger 28251694Sroger#ifdef _KERNEL 28351694Sroger/* flags passed to ip6_output as last parameter */ 28451694Sroger#define IPV6_UNSPECSRC 0x01 /* allow :: as the source address */ 28551694Sroger#define IPV6_FORWARDING 0x02 /* most of IPv6 header exists */ 28651694Sroger#define IPV6_MINMTU 0x04 /* use minimum MTU (IPV6_USE_MIN_MTU) */ 28751694Sroger 28867306Sroger#ifdef __NO_STRICT_ALIGNMENT 28967306Sroger#define IP6_HDR_ALIGNED_P(ip) 1 29067306Sroger#else 29167306Sroger#define IP6_HDR_ALIGNED_P(ip) ((((intptr_t) (ip)) & 3) == 0) 29267306Sroger#endif 29367306Sroger 29467306SrogerVNET_DECLARE(struct ip6stat, ip6stat); /* statistics */ 29567306SrogerVNET_DECLARE(int, ip6_defhlim); /* default hop limit */ 29667306SrogerVNET_DECLARE(int, ip6_defmcasthlim); /* default multicast hop limit */ 29767306SrogerVNET_DECLARE(int, ip6_forwarding); /* act as router? */ 29867306SrogerVNET_DECLARE(int, ip6_gif_hlim); /* Hop limit for gif encap packet */ 29967306SrogerVNET_DECLARE(int, ip6_use_deprecated); /* allow deprecated addr as source */ 30067306SrogerVNET_DECLARE(int, ip6_rr_prune); /* router renumbering prefix 30167306Sroger * walk list every 5 sec. */ 30267306SrogerVNET_DECLARE(int, ip6_mcast_pmtu); /* enable pMTU discovery for multicast? */ 30367306SrogerVNET_DECLARE(int, ip6_v6only); 30467306SrogerVNET_DECLARE(struct socket *, ip6_mrouter); /* multicast routing daemon */ 30567306SrogerVNET_DECLARE(int, ip6_sendredirects); /* send IP redirects when forwarding? */ 30667306SrogerVNET_DECLARE(int, ip6_maxfragpackets); /* Maximum packets in reassembly 30751694Sroger * queue */ 30851694SrogerVNET_DECLARE(int, ip6_maxfrags); /* Maximum fragments in reassembly 30951694Sroger * queue */ 31051694SrogerVNET_DECLARE(int, ip6_accept_rtadv); /* Acts as a host not a router */ 31151694SrogerVNET_DECLARE(int, ip6_keepfaith); /* Firewall Aided Internet Translator */ 31251694SrogerVNET_DECLARE(int, ip6_log_interval); 31351694SrogerVNET_DECLARE(time_t, ip6_log_time); 31451694SrogerVNET_DECLARE(int, ip6_hdrnestlimit); /* upper limit of # of extension 31551694Sroger * headers */ 31651694SrogerVNET_DECLARE(int, ip6_dad_count); /* DupAddrDetectionTransmits */ 31751694Sroger 31851694SrogerVNET_DECLARE(int, ip6_auto_flowlabel); 31951694SrogerVNET_DECLARE(int, ip6_auto_linklocal); 32051694Sroger 32151694SrogerVNET_DECLARE(int, ip6_use_tempaddr); /* Whether to use temporary addresses */ 32251694SrogerVNET_DECLARE(int, ip6_prefer_tempaddr); /* Whether to prefer temporary 32351694Sroger * addresses in the source address 32451694Sroger * selection */ 32551694Sroger 32651694Sroger#ifdef IPSTEALTH 32751694SrogerVNET_DECLARE(int, ip6stealth); 32851694Sroger#endif 32951694Sroger 33051694SrogerVNET_DECLARE(int, ip6_use_defzone); /* Whether to use the default scope 33151694Sroger * zone when unspecified */ 33251694Sroger 33362112Sroger#define V_ip6stat VNET(ip6stat) 33462112Sroger#define V_ip6_defhlim VNET(ip6_defhlim) 33562112Sroger#define V_ip6_defmcasthlim VNET(ip6_defmcasthlim) 33651694Sroger#define V_ip6_forwarding VNET(ip6_forwarding) 33751694Sroger#define V_ip6_gif_hlim VNET(ip6_gif_hlim) 33851694Sroger#define V_ip6_use_deprecated VNET(ip6_use_deprecated) 33951694Sroger#define V_ip6_rr_prune VNET(ip6_rr_prune) 34051694Sroger#define V_ip6_mcast_pmtu VNET(ip6_mcast_pmtu) 34151694Sroger#define V_ip6_v6only VNET(ip6_v6only) 34251694Sroger#define V_ip6_mrouter VNET(ip6_mrouter) 34351694Sroger#define V_ip6_sendredirects VNET(ip6_sendredirects) 34451694Sroger#define V_ip6_maxfragpackets VNET(ip6_maxfragpackets) 34551694Sroger#define V_ip6_maxfrags VNET(ip6_maxfrags) 34665049Sroger#define V_ip6_accept_rtadv VNET(ip6_accept_rtadv) 34765049Sroger#define V_ip6_keepfaith VNET(ip6_keepfaith) 34865049Sroger#define V_ip6_log_interval VNET(ip6_log_interval) 34951694Sroger#define V_ip6_log_time VNET(ip6_log_time) 35065049Sroger#define V_ip6_hdrnestlimit VNET(ip6_hdrnestlimit) 35151694Sroger#define V_ip6_dad_count VNET(ip6_dad_count) 35251694Sroger#define V_ip6_auto_flowlabel VNET(ip6_auto_flowlabel) 35351694Sroger#define V_ip6_auto_linklocal VNET(ip6_auto_linklocal) 35451694Sroger#define V_ip6_use_tempaddr VNET(ip6_use_tempaddr) 35551694Sroger#define V_ip6_prefer_tempaddr VNET(ip6_prefer_tempaddr) 35659014Sroger#ifdef IPSTEALTH 35759014Sroger#define V_ip6stealth VNET(ip6stealth) 35851694Sroger#endif 35959014Sroger#define V_ip6_use_defzone VNET(ip6_use_defzone) 36051694Sroger 36151694Srogerextern struct pfil_head inet6_pfil_hook; /* packet filter hooks */ 36251694Sroger 36359014Srogerextern struct pr_usrreqs rip6_usrreqs; 36459014Srogerstruct sockopt; 36551694Sroger 36651694Srogerstruct inpcb; 36751694Sroger 36851694Srogerint icmp6_ctloutput __P((struct socket *, struct sockopt *sopt)); 36951694Sroger 37051694Srogerstruct in6_ifaddr; 37151694Srogervoid ip6_init __P((void)); 37251694Sroger#ifdef VIMAGE 37351694Srogervoid ip6_destroy __P((void)); 37451694Sroger#endif 37551694Srogervoid ip6_input __P((struct mbuf *)); 37651694Srogerstruct in6_ifaddr *ip6_getdstifaddr __P((struct mbuf *)); 37751694Srogervoid ip6_freepcbopts __P((struct ip6_pktopts *)); 37865049Sroger 37965049Srogerint ip6_unknown_opt __P((u_int8_t *, struct mbuf *, int)); 38065049Srogerchar * ip6_get_prevhdr __P((struct mbuf *, int)); 38151694Srogerint ip6_nexthdr __P((struct mbuf *, int, int, int *)); 38251694Srogerint ip6_lasthdr __P((struct mbuf *, int, int, int *)); 38351694Sroger 38451694Srogerstruct ip6aux *ip6_addaux __P((struct mbuf *)); 38551694Srogerstruct ip6aux *ip6_findaux __P((struct mbuf *)); 38651694Srogervoid ip6_delaux __P((struct mbuf *)); 38759250Sroger 38851694Srogerextern int (*ip6_mforward)(struct ip6_hdr *, struct ifnet *, 38951694Sroger struct mbuf *); 39051694Sroger 39151694Srogerint ip6_process_hopopts __P((struct mbuf *, u_int8_t *, int, u_int32_t *, 39251694Sroger u_int32_t *)); 39351694Srogerstruct mbuf **ip6_savecontrol_v4(struct inpcb *, struct mbuf *, 39451694Sroger struct mbuf **, int *); 39551694Srogervoid ip6_savecontrol __P((struct inpcb *, struct mbuf *, struct mbuf **)); 39651694Srogervoid ip6_notify_pmtu __P((struct inpcb *, struct sockaddr_in6 *, 39751694Sroger u_int32_t *)); 39851694Srogerint ip6_sysctl __P((int *, u_int, void *, size_t *, void *, size_t)); 39951694Sroger 40051694Srogervoid ip6_forward __P((struct mbuf *, int)); 40151694Sroger 40251694Srogervoid ip6_mloopback __P((struct ifnet *, struct mbuf *, struct sockaddr_in6 *)); 40351694Srogerint ip6_output __P((struct mbuf *, struct ip6_pktopts *, 40451694Sroger struct route_in6 *, 40551694Sroger int, 40651694Sroger struct ip6_moptions *, struct ifnet **, 40751694Sroger struct inpcb *)); 40851694Srogerint ip6_ctloutput __P((struct socket *, struct sockopt *)); 40951694Srogerint ip6_raw_ctloutput __P((struct socket *, struct sockopt *)); 41051694Srogervoid ip6_initpktopts __P((struct ip6_pktopts *)); 41151694Srogerint ip6_setpktopts __P((struct mbuf *, struct ip6_pktopts *, 41251694Sroger struct ip6_pktopts *, struct ucred *, int)); 41365692Srogervoid ip6_clearpktopts __P((struct ip6_pktopts *, int)); 41493023Snsouchstruct ip6_pktopts *ip6_copypktopts __P((struct ip6_pktopts *, int)); 41551694Srogerint ip6_optlen __P((struct inpcb *)); 41651694Sroger 41751694Srogerint route6_input __P((struct mbuf **, int *, int)); 41851694Sroger 41951694Srogervoid frag6_init __P((void)); 42051694Srogerint frag6_input __P((struct mbuf **, int *, int)); 42151694Srogervoid frag6_slowtimo __P((void)); 42251694Srogervoid frag6_drain __P((void)); 42351694Sroger 42451694Srogervoid rip6_init __P((void)); 42551694Srogerint rip6_input __P((struct mbuf **, int *, int)); 42651694Srogervoid rip6_ctlinput __P((int, struct sockaddr *, void *)); 42751694Srogerint rip6_ctloutput __P((struct socket *, struct sockopt *)); 42851694Srogerint rip6_output __P((struct mbuf *, ...)); 42951694Srogerint rip6_usrreq __P((struct socket *, 43051694Sroger int, struct mbuf *, struct mbuf *, struct mbuf *, struct thread *)); 43151694Sroger 43251694Srogerint dest6_input __P((struct mbuf **, int *, int)); 43351694Srogerint none_input __P((struct mbuf **, int *, int)); 43451694Sroger 43551694Srogerint in6_selectsrc(struct sockaddr_in6 *, struct ip6_pktopts *, 43651694Sroger struct inpcb *inp, struct route_in6 *, struct ucred *cred, 43751694Sroger struct ifnet **, struct in6_addr *); 43851694Srogerint in6_selectroute __P((struct sockaddr_in6 *, struct ip6_pktopts *, 43951694Sroger struct ip6_moptions *, struct route_in6 *, struct ifnet **, 44051694Sroger struct rtentry **)); 44151694Srogeru_int32_t ip6_randomid __P((void)); 44251694Srogeru_int32_t ip6_randomflowlabel __P((void)); 44351694Sroger#endif /* _KERNEL */ 44451694Sroger 44551694Sroger#endif /* !_NETINET6_IP6_VAR_H_ */ 44651694Sroger