Home | History | Annotate | Line # | Download | only in netinet6
ip6_var.h revision 1.35.6.2
      1  1.35.6.2      yamt /*	$NetBSD: ip6_var.h,v 1.35.6.2 2006/05/24 10:59:09 yamt Exp $	*/
      2      1.13    itojun /*	$KAME: ip6_var.h,v 1.33 2000/06/11 14:59:20 jinmei Exp $	*/
      3       1.3   thorpej 
      4       1.2    itojun /*
      5       1.2    itojun  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
      6       1.2    itojun  * All rights reserved.
      7      1.13    itojun  *
      8       1.2    itojun  * Redistribution and use in source and binary forms, with or without
      9       1.2    itojun  * modification, are permitted provided that the following conditions
     10       1.2    itojun  * are met:
     11       1.2    itojun  * 1. Redistributions of source code must retain the above copyright
     12       1.2    itojun  *    notice, this list of conditions and the following disclaimer.
     13       1.2    itojun  * 2. Redistributions in binary form must reproduce the above copyright
     14       1.2    itojun  *    notice, this list of conditions and the following disclaimer in the
     15       1.2    itojun  *    documentation and/or other materials provided with the distribution.
     16       1.2    itojun  * 3. Neither the name of the project nor the names of its contributors
     17       1.2    itojun  *    may be used to endorse or promote products derived from this software
     18       1.2    itojun  *    without specific prior written permission.
     19      1.13    itojun  *
     20       1.2    itojun  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
     21       1.2    itojun  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     22       1.2    itojun  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     23       1.2    itojun  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
     24       1.2    itojun  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     25       1.2    itojun  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     26       1.2    itojun  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     27       1.2    itojun  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     28       1.2    itojun  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     29       1.2    itojun  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     30       1.2    itojun  * SUCH DAMAGE.
     31       1.2    itojun  */
     32       1.2    itojun 
     33       1.2    itojun /*
     34       1.2    itojun  * Copyright (c) 1982, 1986, 1993
     35       1.2    itojun  *	The Regents of the University of California.  All rights reserved.
     36       1.2    itojun  *
     37       1.2    itojun  * Redistribution and use in source and binary forms, with or without
     38       1.2    itojun  * modification, are permitted provided that the following conditions
     39       1.2    itojun  * are met:
     40       1.2    itojun  * 1. Redistributions of source code must retain the above copyright
     41       1.2    itojun  *    notice, this list of conditions and the following disclaimer.
     42       1.2    itojun  * 2. Redistributions in binary form must reproduce the above copyright
     43       1.2    itojun  *    notice, this list of conditions and the following disclaimer in the
     44       1.2    itojun  *    documentation and/or other materials provided with the distribution.
     45      1.29       agc  * 3. Neither the name of the University nor the names of its contributors
     46       1.2    itojun  *    may be used to endorse or promote products derived from this software
     47       1.2    itojun  *    without specific prior written permission.
     48       1.2    itojun  *
     49       1.2    itojun  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     50       1.2    itojun  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     51       1.2    itojun  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     52       1.2    itojun  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     53       1.2    itojun  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     54       1.2    itojun  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     55       1.2    itojun  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     56       1.2    itojun  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     57       1.2    itojun  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     58       1.2    itojun  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     59       1.2    itojun  * SUCH DAMAGE.
     60       1.2    itojun  *
     61       1.2    itojun  *	@(#)ip_var.h	8.1 (Berkeley) 6/10/93
     62       1.2    itojun  */
     63       1.2    itojun 
     64       1.2    itojun #ifndef _NETINET6_IP6_VAR_H_
     65       1.2    itojun #define _NETINET6_IP6_VAR_H_
     66       1.2    itojun 
     67       1.2    itojun /*
     68       1.2    itojun  * IP6 reassembly queue structure.  Each fragment
     69       1.2    itojun  * being reassembled is attached to one of these structures.
     70       1.2    itojun  */
     71       1.2    itojun struct	ip6q {
     72       1.9    itojun 	u_int32_t	ip6q_head;
     73       1.9    itojun 	u_int16_t	ip6q_len;
     74       1.9    itojun 	u_int8_t	ip6q_nxt;	/* ip6f_nxt in first fragment */
     75       1.9    itojun 	u_int8_t	ip6q_hlim;
     76       1.9    itojun 	struct ip6asfrag *ip6q_down;
     77       1.9    itojun 	struct ip6asfrag *ip6q_up;
     78       1.9    itojun 	u_int32_t	ip6q_ident;
     79       1.9    itojun 	u_int8_t	ip6q_arrive;
     80       1.9    itojun 	u_int8_t	ip6q_ttl;
     81       1.9    itojun 	struct in6_addr	ip6q_src, ip6q_dst;
     82       1.9    itojun 	struct ip6q	*ip6q_next;
     83       1.9    itojun 	struct ip6q	*ip6q_prev;
     84       1.9    itojun 	int		ip6q_unfrglen;	/* len of unfragmentable part */
     85       1.2    itojun #ifdef notyet
     86       1.9    itojun 	u_char		*ip6q_nxtp;
     87       1.2    itojun #endif
     88      1.19    itojun 	int		ip6q_nfrag;	/* # of fragments */
     89       1.2    itojun };
     90       1.2    itojun 
     91       1.2    itojun struct	ip6asfrag {
     92       1.9    itojun 	u_int32_t	ip6af_head;
     93       1.9    itojun 	u_int16_t	ip6af_len;
     94       1.9    itojun 	u_int8_t	ip6af_nxt;
     95       1.9    itojun 	u_int8_t	ip6af_hlim;
     96       1.2    itojun 	/* must not override the above members during reassembling */
     97       1.9    itojun 	struct ip6asfrag *ip6af_down;
     98       1.9    itojun 	struct ip6asfrag *ip6af_up;
     99       1.9    itojun 	struct mbuf	*ip6af_m;
    100       1.9    itojun 	int		ip6af_offset;	/* offset in ip6af_m to next header */
    101       1.9    itojun 	int		ip6af_frglen;	/* fragmentable part length */
    102       1.9    itojun 	int		ip6af_off;	/* fragment offset */
    103       1.9    itojun 	u_int16_t	ip6af_mff;	/* more fragment bit in frag off */
    104       1.2    itojun };
    105       1.2    itojun 
    106      1.21    itojun #define IP6_REASS_MBUF(ip6af) ((ip6af)->ip6af_m)
    107       1.2    itojun 
    108       1.2    itojun struct	ip6_moptions {
    109       1.2    itojun 	struct	ifnet *im6o_multicast_ifp; /* ifp for outgoing multicasts */
    110       1.2    itojun 	u_char	im6o_multicast_hlim;	/* hoplimit for outgoing multicasts */
    111       1.2    itojun 	u_char	im6o_multicast_loop;	/* 1 >= hear sends if a member */
    112       1.2    itojun 	LIST_HEAD(, in6_multi_mship) im6o_memberships;
    113       1.2    itojun };
    114       1.2    itojun 
    115       1.2    itojun /*
    116       1.2    itojun  * Control options for outgoing packets
    117       1.2    itojun  */
    118       1.2    itojun 
    119       1.2    itojun /* Routing header related info */
    120       1.2    itojun struct	ip6po_rhinfo {
    121       1.2    itojun 	struct	ip6_rthdr *ip6po_rhi_rthdr; /* Routing header */
    122       1.2    itojun 	struct	route_in6 ip6po_rhi_route; /* Route to the 1st hop */
    123       1.2    itojun };
    124       1.2    itojun #define ip6po_rthdr	ip6po_rhinfo.ip6po_rhi_rthdr
    125       1.2    itojun #define ip6po_route	ip6po_rhinfo.ip6po_rhi_route
    126       1.2    itojun 
    127  1.35.6.2      yamt /* Nexthop related info */
    128  1.35.6.2      yamt struct	ip6po_nhinfo {
    129  1.35.6.2      yamt 	struct	sockaddr *ip6po_nhi_nexthop;
    130  1.35.6.2      yamt 	struct	route_in6 ip6po_nhi_route; /* Route to the nexthop */
    131  1.35.6.2      yamt };
    132  1.35.6.2      yamt #define ip6po_nexthop	ip6po_nhinfo.ip6po_nhi_nexthop
    133  1.35.6.2      yamt #define ip6po_nextroute	ip6po_nhinfo.ip6po_nhi_route
    134  1.35.6.2      yamt 
    135       1.2    itojun struct	ip6_pktopts {
    136       1.2    itojun 	struct	mbuf *ip6po_m;	/* Pointer to mbuf storing the data */
    137       1.2    itojun 	int	ip6po_hlim;		/* Hoplimit for outgoing packets */
    138       1.2    itojun 	struct	in6_pktinfo *ip6po_pktinfo; /* Outgoing IF/address information */
    139  1.35.6.2      yamt 	struct	ip6po_nhinfo ip6po_nhinfo; /* Next-hop address information */
    140       1.2    itojun 	struct	ip6_hbh *ip6po_hbh; /* Hop-by-Hop options header */
    141       1.2    itojun 	struct	ip6_dest *ip6po_dest1; /* Destination options header(1st part) */
    142       1.2    itojun 	struct	ip6po_rhinfo ip6po_rhinfo; /* Routing header related info. */
    143       1.2    itojun 	struct	ip6_dest *ip6po_dest2; /* Destination options header(2nd part) */
    144  1.35.6.2      yamt 	int	ip6po_tclass;	/* traffic class */
    145  1.35.6.2      yamt 	int	ip6po_minmtu;  /* fragment vs PMTU discovery policy */
    146  1.35.6.2      yamt #define IP6PO_MINMTU_MCASTONLY	-1 /* default; send at min MTU for multicast*/
    147  1.35.6.2      yamt #define IP6PO_MINMTU_DISABLE	 0 /* always perform pmtu disc */
    148  1.35.6.2      yamt #define IP6PO_MINMTU_ALL	 1 /* always send at min MTU */
    149  1.35.6.2      yamt 	int ip6po_flags;
    150  1.35.6.2      yamt #if 0	/* parameters in this block is obsolete. do not reuse the values. */
    151  1.35.6.2      yamt #define IP6PO_REACHCONF	0x01	/* upper-layer reachability confirmation. */
    152  1.35.6.2      yamt #define IP6PO_MINMTU	0x02	/* use minimum MTU (IPV6_USE_MIN_MTU) */
    153  1.35.6.2      yamt #endif
    154  1.35.6.2      yamt #define IP6PO_DONTFRAG	0x04	/* disable fragmentation (IPV6_DONTFRAG) */
    155       1.2    itojun };
    156       1.2    itojun 
    157       1.2    itojun struct	ip6stat {
    158       1.5    bouyer 	u_quad_t ip6s_total;		/* total packets received */
    159       1.5    bouyer 	u_quad_t ip6s_tooshort;		/* packet too short */
    160       1.5    bouyer 	u_quad_t ip6s_toosmall;		/* not enough data */
    161       1.5    bouyer 	u_quad_t ip6s_fragments;	/* fragments received */
    162       1.5    bouyer 	u_quad_t ip6s_fragdropped;	/* frags dropped(dups, out of space) */
    163       1.5    bouyer 	u_quad_t ip6s_fragtimeout;	/* fragments timed out */
    164       1.5    bouyer 	u_quad_t ip6s_fragoverflow;	/* fragments that exceeded limit */
    165       1.5    bouyer 	u_quad_t ip6s_forward;		/* packets forwarded */
    166       1.5    bouyer 	u_quad_t ip6s_cantforward;	/* packets rcvd for unreachable dest */
    167       1.5    bouyer 	u_quad_t ip6s_redirectsent;	/* packets forwarded on same net */
    168       1.6    itojun 	u_quad_t ip6s_delivered;	/* datagrams delivered to upper level*/
    169       1.5    bouyer 	u_quad_t ip6s_localout;		/* total ip packets generated here */
    170       1.5    bouyer 	u_quad_t ip6s_odropped;		/* lost packets due to nobufs, etc. */
    171       1.5    bouyer 	u_quad_t ip6s_reassembled;	/* total packets reassembled ok */
    172      1.24       wiz 	u_quad_t ip6s_fragmented;	/* datagrams successfully fragmented */
    173       1.5    bouyer 	u_quad_t ip6s_ofragments;	/* output fragments created */
    174       1.5    bouyer 	u_quad_t ip6s_cantfrag;		/* don't fragment flag was set, etc. */
    175       1.5    bouyer 	u_quad_t ip6s_badoptions;	/* error in option processing */
    176       1.5    bouyer 	u_quad_t ip6s_noroute;		/* packets discarded due to no route */
    177       1.5    bouyer 	u_quad_t ip6s_badvers;		/* ip6 version != 6 */
    178       1.5    bouyer 	u_quad_t ip6s_rawout;		/* total raw ip packets generated */
    179       1.5    bouyer 	u_quad_t ip6s_badscope;		/* scope error */
    180       1.5    bouyer 	u_quad_t ip6s_notmember;	/* don't join this multicast group */
    181       1.5    bouyer 	u_quad_t ip6s_nxthist[256];	/* next header history */
    182       1.5    bouyer 	u_quad_t ip6s_m1;		/* one mbuf */
    183       1.5    bouyer 	u_quad_t ip6s_m2m[32];		/* two or more mbuf */
    184       1.5    bouyer 	u_quad_t ip6s_mext1;		/* one ext mbuf */
    185       1.5    bouyer 	u_quad_t ip6s_mext2m;		/* two or more ext mbuf */
    186       1.5    bouyer 	u_quad_t ip6s_exthdrtoolong;	/* ext hdr are not continuous */
    187       1.5    bouyer 	u_quad_t ip6s_nogif;		/* no match gif found */
    188       1.5    bouyer 	u_quad_t ip6s_toomanyhdr;	/* discarded due to too many headers */
    189      1.10    itojun 
    190      1.10    itojun 	/*
    191      1.10    itojun 	 * statistics for improvement of the source address selection
    192      1.10    itojun 	 * algorithm:
    193      1.10    itojun 	 * XXX: hardcoded 16 = # of ip6 multicast scope types + 1
    194      1.10    itojun 	 */
    195      1.10    itojun 	/* number of times that address selection fails */
    196      1.10    itojun 	u_quad_t ip6s_sources_none;
    197      1.10    itojun 	/* number of times that an address on the outgoing I/F is chosen */
    198      1.10    itojun 	u_quad_t ip6s_sources_sameif[16];
    199      1.10    itojun 	/* number of times that an address on a non-outgoing I/F is chosen */
    200      1.10    itojun 	u_quad_t ip6s_sources_otherif[16];
    201      1.10    itojun 	/*
    202      1.10    itojun 	 * number of times that an address that has the same scope
    203      1.10    itojun 	 * from the destination is chosen.
    204      1.10    itojun 	 */
    205      1.10    itojun 	u_quad_t ip6s_sources_samescope[16];
    206      1.10    itojun 	/*
    207      1.10    itojun 	 * number of times that an address that has a different scope
    208      1.10    itojun 	 * from the destination is chosen.
    209      1.10    itojun 	 */
    210      1.10    itojun 	u_quad_t ip6s_sources_otherscope[16];
    211      1.10    itojun 	/* number of times that an deprecated address is chosen */
    212      1.10    itojun 	u_quad_t ip6s_sources_deprecated[16];
    213      1.13    itojun 
    214      1.13    itojun 	u_quad_t ip6s_forward_cachehit;
    215      1.13    itojun 	u_quad_t ip6s_forward_cachemiss;
    216       1.2    itojun };
    217       1.2    itojun 
    218       1.2    itojun #ifdef _KERNEL
    219      1.35    rpaulo /*
    220      1.35    rpaulo  * Auxiliary attributes of incoming IPv6 packets, which is initialized when we
    221      1.35    rpaulo  * come into ip6_input().
    222      1.35    rpaulo  * XXX do not make it a kitchen sink!
    223      1.35    rpaulo  */
    224      1.35    rpaulo struct ip6aux {
    225      1.35    rpaulo 	/* ip6.ip6_dst */
    226      1.35    rpaulo 	struct in6_ifaddr *ip6a_dstia6;	/* my ifaddr that matches ip6_dst */
    227      1.35    rpaulo };
    228      1.35    rpaulo 
    229       1.2    itojun /* flags passed to ip6_output as last parameter */
    230      1.21    itojun #define	IPV6_UNSPECSRC		0x01	/* allow :: as the source address */
    231       1.2    itojun #define	IPV6_FORWARDING		0x02	/* most of IPv6 header exists */
    232      1.17    itojun #define	IPV6_MINMTU		0x04	/* use minimum MTU (IPV6_USE_MIN_MTU) */
    233      1.22   thorpej 
    234      1.22   thorpej #ifdef __NO_STRICT_ALIGNMENT
    235      1.22   thorpej #define	IP6_HDR_ALIGNED_P(ip)	1
    236      1.22   thorpej #else
    237      1.22   thorpej #define	IP6_HDR_ALIGNED_P(ip)	((((vaddr_t) (ip)) & 3) == 0)
    238      1.22   thorpej #endif
    239       1.2    itojun 
    240       1.2    itojun extern struct	ip6stat ip6stat;	/* statistics */
    241       1.4    itojun extern u_int32_t ip6_id;		/* fragment identifier */
    242       1.2    itojun extern int	ip6_defhlim;		/* default hop limit */
    243       1.2    itojun extern int	ip6_defmcasthlim;	/* default multicast hop limit */
    244       1.2    itojun extern int	ip6_forwarding;		/* act as router? */
    245      1.28    itojun extern int	ip6_sendredirect;	/* send ICMPv6 redirect? */
    246       1.2    itojun extern int	ip6_forward_srcrt;	/* forward src-routed? */
    247       1.6    itojun extern int	ip6_use_deprecated;	/* allow deprecated addr as source */
    248       1.6    itojun extern int	ip6_rr_prune;		/* router renumbering prefix
    249       1.6    itojun 					 * walk list every 5 sec.    */
    250  1.35.6.1      yamt extern int	ip6_mcast_pmtu;		/* enable pMTU discovery for multicast? */
    251      1.16    itojun extern int	ip6_v6only;
    252       1.6    itojun 
    253       1.2    itojun extern struct socket *ip6_mrouter; 	/* multicast routing daemon */
    254       1.2    itojun extern int	ip6_sendredirects;	/* send IP redirects when forwarding? */
    255       1.2    itojun extern int	ip6_maxfragpackets; /* Maximum packets in reassembly queue */
    256      1.19    itojun extern int	ip6_maxfrags;	/* Maximum fragments in reassembly queue */
    257       1.2    itojun extern int	ip6_sourcecheck;	/* Verify source interface */
    258       1.2    itojun extern int	ip6_sourcecheck_interval; /* Interval between log messages */
    259       1.2    itojun extern int	ip6_accept_rtadv;	/* Acts as a host not a router */
    260       1.2    itojun extern int	ip6_keepfaith;		/* Firewall Aided Internet Translator */
    261       1.2    itojun extern int	ip6_log_interval;
    262       1.2    itojun extern time_t	ip6_log_time;
    263       1.2    itojun extern int	ip6_hdrnestlimit; /* upper limit of # of extension headers */
    264       1.2    itojun extern int	ip6_dad_count;		/* DupAddrDetectionTransmits */
    265       1.2    itojun 
    266       1.2    itojun extern int ip6_auto_flowlabel;
    267      1.21    itojun extern int ip6_auto_linklocal;
    268      1.15    itojun 
    269      1.15    itojun extern int   ip6_anonportmin;		/* minimum ephemeral port */
    270      1.15    itojun extern int   ip6_anonportmax;		/* maximum ephemeral port */
    271      1.15    itojun extern int   ip6_lowportmin;		/* minimum reserved port */
    272      1.15    itojun extern int   ip6_lowportmax;		/* maximum reserved port */
    273       1.2    itojun 
    274  1.35.6.1      yamt extern int	ip6_use_tempaddr; /* whether to use temporary addresses. */
    275  1.35.6.1      yamt extern int	ip6_prefer_tempaddr; /* whether to prefer temporary addresses
    276  1.35.6.1      yamt 					in the source address selection */
    277      1.35    rpaulo extern int	ip6_use_defzone; /* whether to use the default scope zone
    278      1.35    rpaulo 				    when unspecified */
    279      1.35    rpaulo 
    280       1.2    itojun struct in6pcb;
    281       1.6    itojun 
    282       1.2    itojun int	icmp6_ctloutput __P((int, struct socket *, int, int, struct mbuf **));
    283       1.6    itojun 
    284       1.2    itojun void	ip6_init __P((void));
    285       1.2    itojun void	ip6intr __P((void));
    286       1.2    itojun void	ip6_input __P((struct mbuf *));
    287      1.35    rpaulo struct in6_ifaddr *ip6_getdstifaddr __P((struct mbuf *));
    288  1.35.6.2      yamt void	ip6_freepcbopts __P((struct ip6_pktopts *));
    289       1.2    itojun void	ip6_freemoptions __P((struct ip6_moptions *));
    290       1.2    itojun int	ip6_unknown_opt __P((u_int8_t *, struct mbuf *, int));
    291      1.23    itojun u_int8_t *ip6_get_prevhdr __P((struct mbuf *, int));
    292      1.12    itojun int	ip6_nexthdr __P((struct mbuf *, int, int, int *));
    293      1.12    itojun int	ip6_lasthdr __P((struct mbuf *, int, int, int *));
    294      1.35    rpaulo 
    295      1.35    rpaulo struct m_tag *ip6_addaux __P((struct mbuf *));
    296      1.35    rpaulo struct m_tag *ip6_findaux __P((struct mbuf *));
    297      1.35    rpaulo void	ip6_delaux __P((struct mbuf *));
    298      1.35    rpaulo 
    299       1.2    itojun int	ip6_mforward __P((struct ip6_hdr *, struct ifnet *, struct mbuf *));
    300       1.4    itojun int	ip6_process_hopopts __P((struct mbuf *, u_int8_t *, int, u_int32_t *,
    301       1.2    itojun 				 u_int32_t *));
    302       1.2    itojun void	ip6_savecontrol __P((struct in6pcb *, struct mbuf **, struct ip6_hdr *,
    303       1.2    itojun 		struct mbuf *));
    304  1.35.6.2      yamt void	ip6_notify_pmtu __P((struct in6pcb *, struct sockaddr_in6 *,
    305  1.35.6.2      yamt 		u_int32_t *));
    306       1.2    itojun int	ip6_sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
    307       1.2    itojun 
    308       1.2    itojun void	ip6_forward __P((struct mbuf *, int));
    309       1.2    itojun 
    310       1.2    itojun void	ip6_mloopback __P((struct ifnet *, struct mbuf *, struct sockaddr_in6 *));
    311       1.2    itojun int	ip6_output __P((struct mbuf *, struct ip6_pktopts *,
    312       1.2    itojun 			struct route_in6 *, int,
    313      1.31    itojun 			struct ip6_moptions *, struct socket *,
    314      1.30  jonathan 			struct ifnet **));
    315       1.2    itojun int	ip6_ctloutput __P((int, struct socket *, int, int, struct mbuf **));
    316      1.20    itojun int	ip6_raw_ctloutput __P((int, struct socket *, int, int, struct mbuf **));
    317  1.35.6.2      yamt void	ip6_initpktopts __P((struct ip6_pktopts *));
    318  1.35.6.2      yamt int	ip6_setpktopts __P((struct mbuf *, struct ip6_pktopts *,
    319  1.35.6.2      yamt 			    struct ip6_pktopts *, int, int));
    320  1.35.6.2      yamt void	ip6_clearpktopts __P((struct ip6_pktopts *, int));
    321  1.35.6.2      yamt struct ip6_pktopts *ip6_copypktopts __P((struct ip6_pktopts *, int));
    322       1.2    itojun int	ip6_optlen __P((struct in6pcb *));
    323       1.2    itojun 
    324       1.2    itojun int	route6_input __P((struct mbuf **, int *, int));
    325       1.2    itojun 
    326       1.2    itojun void	frag6_init __P((void));
    327       1.2    itojun int	frag6_input __P((struct mbuf **, int *, int));
    328       1.2    itojun void	frag6_slowtimo __P((void));
    329       1.2    itojun void	frag6_drain __P((void));
    330       1.2    itojun 
    331       1.2    itojun void	rip6_init __P((void));
    332      1.27    itojun int	rip6_input __P((struct mbuf **, int *, int));
    333      1.11    itojun void	rip6_ctlinput __P((int, struct sockaddr *, void *));
    334       1.2    itojun int	rip6_ctloutput __P((int, struct socket *, int, int, struct mbuf **));
    335       1.2    itojun int	rip6_output __P((struct mbuf *, ...));
    336       1.2    itojun int	rip6_usrreq __P((struct socket *,
    337      1.34  christos 	    int, struct mbuf *, struct mbuf *, struct mbuf *, struct lwp *));
    338       1.2    itojun 
    339       1.2    itojun int	dest6_input __P((struct mbuf **, int *, int));
    340       1.2    itojun int	none_input __P((struct mbuf **, int *, int));
    341      1.21    itojun 
    342      1.21    itojun struct 	in6_addr *in6_selectsrc __P((struct sockaddr_in6 *,
    343      1.21    itojun 	struct ip6_pktopts *, struct ip6_moptions *, struct route_in6 *,
    344      1.35    rpaulo 	struct in6_addr *, struct ifnet **, int *));
    345      1.35    rpaulo int in6_selectroute __P((struct sockaddr_in6 *, struct ip6_pktopts *,
    346      1.35    rpaulo 	struct ip6_moptions *, struct route_in6 *, struct ifnet **,
    347      1.35    rpaulo 	struct rtentry **, int));
    348      1.32    itojun 
    349      1.32    itojun u_int32_t ip6_randomid __P((void));
    350      1.32    itojun u_int32_t ip6_randomflowlabel __P((void));
    351       1.2    itojun #endif /* _KERNEL */
    352       1.2    itojun 
    353       1.2    itojun #endif /* !_NETINET6_IP6_VAR_H_ */
    354