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ip6protosw.h revision 1.7
      1  1.7   itojun /*	$NetBSD: ip6protosw.h,v 1.7 2000/10/18 21:14:16 itojun Exp $	*/
      2  1.7   itojun /*	$KAME: ip6protosw.h,v 1.14 2000/10/18 18:15:53 itojun 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  1.7   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  1.7   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 /*	BSDI protosw.h,v 2.3 1996/10/11 16:02:40 pjd Exp	*/
     35  1.2   itojun 
     36  1.2   itojun /*-
     37  1.2   itojun  * Copyright (c) 1982, 1986, 1993
     38  1.2   itojun  *	The Regents of the University of California.  All rights reserved.
     39  1.2   itojun  *
     40  1.2   itojun  * Redistribution and use in source and binary forms, with or without
     41  1.2   itojun  * modification, are permitted provided that the following conditions
     42  1.2   itojun  * are met:
     43  1.2   itojun  * 1. Redistributions of source code must retain the above copyright
     44  1.2   itojun  *    notice, this list of conditions and the following disclaimer.
     45  1.2   itojun  * 2. Redistributions in binary form must reproduce the above copyright
     46  1.2   itojun  *    notice, this list of conditions and the following disclaimer in the
     47  1.2   itojun  *    documentation and/or other materials provided with the distribution.
     48  1.2   itojun  * 3. All advertising materials mentioning features or use of this software
     49  1.2   itojun  *    must display the following acknowledgement:
     50  1.2   itojun  *	This product includes software developed by the University of
     51  1.2   itojun  *	California, Berkeley and its contributors.
     52  1.2   itojun  * 4. Neither the name of the University nor the names of its contributors
     53  1.2   itojun  *    may be used to endorse or promote products derived from this software
     54  1.2   itojun  *    without specific prior written permission.
     55  1.2   itojun  *
     56  1.2   itojun  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     57  1.2   itojun  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     58  1.2   itojun  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     59  1.2   itojun  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     60  1.2   itojun  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     61  1.2   itojun  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     62  1.2   itojun  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     63  1.2   itojun  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     64  1.2   itojun  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     65  1.2   itojun  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     66  1.2   itojun  * SUCH DAMAGE.
     67  1.2   itojun  *
     68  1.2   itojun  *	@(#)protosw.h	8.1 (Berkeley) 6/2/93
     69  1.2   itojun  */
     70  1.2   itojun 
     71  1.2   itojun #ifndef _NETINET6_IP6PROTOSW_H_
     72  1.2   itojun #define _NETINET6_IP6PROTOSW_H_
     73  1.2   itojun 
     74  1.2   itojun /*
     75  1.2   itojun  * Protocol switch table for IPv6.
     76  1.2   itojun  * All other definitions should refer to sys/protosw.h
     77  1.2   itojun  */
     78  1.6  darrenr #include <net/pfil.h>
     79  1.2   itojun 
     80  1.2   itojun struct mbuf;
     81  1.2   itojun struct sockaddr;
     82  1.2   itojun struct socket;
     83  1.2   itojun struct domain;
     84  1.2   itojun struct proc;
     85  1.2   itojun struct ip6_hdr;
     86  1.7   itojun struct icmp6_hdr;
     87  1.7   itojun struct in6_addr;
     88  1.4   itojun 
     89  1.4   itojun /*
     90  1.4   itojun  * argument type for the last arg of pr_ctlinput().
     91  1.4   itojun  * should be consulted only with AF_INET6 family.
     92  1.7   itojun  *
     93  1.7   itojun  * IPv6 ICMP IPv6 [exthdrs] finalhdr paylaod
     94  1.7   itojun  * ^    ^    ^              ^
     95  1.7   itojun  * |    |    ip6c_ip6       ip6c_off
     96  1.7   itojun  * |    ip6c_icmp6
     97  1.7   itojun  * ip6c_m
     98  1.7   itojun  *
     99  1.7   itojun  * ip6c_finaldst usually points to ip6c_ip6->ip6_dst.  if the original
    100  1.7   itojun  * (internal) packet carries a routing header, it may point the final
    101  1.7   itojun  * dstination address in the routing header.
    102  1.4   itojun  */
    103  1.4   itojun struct ip6ctlparam {
    104  1.4   itojun 	struct mbuf *ip6c_m;		/* start of mbuf chain */
    105  1.7   itojun 	struct icmp6_hdr *ip6c_icmp6;	/* icmp6 header of target packet */
    106  1.4   itojun 	struct ip6_hdr *ip6c_ip6;	/* ip6 header of target packet */
    107  1.4   itojun 	int ip6c_off;			/* offset of the target proto header */
    108  1.7   itojun 	struct in6_addr *ip6c_finaldst;	/* final destination address */
    109  1.4   itojun };
    110  1.2   itojun 
    111  1.2   itojun struct ip6protosw {
    112  1.2   itojun 	int 	pr_type;		/* socket type used for */
    113  1.2   itojun 	struct	domain *pr_domain;	/* domain protocol a member of */
    114  1.2   itojun 	short	pr_protocol;		/* protocol number */
    115  1.2   itojun 	short	pr_flags;		/* see below */
    116  1.2   itojun 
    117  1.2   itojun /* protocol-protocol hooks */
    118  1.2   itojun 	int	(*pr_input)		/* input to protocol (from below) */
    119  1.2   itojun 			__P((struct mbuf **, int *, int));
    120  1.2   itojun 	int	(*pr_output)		/* output to protocol (from above) */
    121  1.2   itojun 			__P((struct mbuf *, ...));
    122  1.2   itojun 	void	(*pr_ctlinput)		/* control input (from below) */
    123  1.4   itojun 			__P((int, struct sockaddr *, void *));
    124  1.2   itojun 	int	(*pr_ctloutput)		/* control output (from above) */
    125  1.2   itojun 			__P((int, struct socket *, int, int, struct mbuf **));
    126  1.2   itojun 
    127  1.2   itojun /* user-protocol hook */
    128  1.2   itojun 	int	(*pr_usrreq)		/* user request: see list below */
    129  1.2   itojun 			__P((struct socket *, int, struct mbuf *,
    130  1.2   itojun 			     struct mbuf *, struct mbuf *, struct proc *));
    131  1.2   itojun 
    132  1.2   itojun /* utility hooks */
    133  1.2   itojun 	void	(*pr_init)		/* initialization hook */
    134  1.2   itojun 			__P((void));
    135  1.2   itojun 
    136  1.2   itojun 	void	(*pr_fasttimo)		/* fast timeout (200ms) */
    137  1.2   itojun 			__P((void));
    138  1.2   itojun 	void	(*pr_slowtimo)		/* slow timeout (500ms) */
    139  1.2   itojun 			__P((void));
    140  1.2   itojun 	void	(*pr_drain)		/* flush any excess space possible */
    141  1.2   itojun 			__P((void));
    142  1.2   itojun 	int	(*pr_sysctl)		/* sysctl for protocol */
    143  1.2   itojun 			__P((int *, u_int, void *, size_t *, void *, size_t));
    144  1.6  darrenr 	struct	pfil_head	pr_pfh;
    145  1.2   itojun };
    146  1.6  darrenr 
    147  1.6  darrenr extern	struct	ip6protosw	inet6sw[];
    148  1.2   itojun 
    149  1.2   itojun #endif /* !_NETINET6_IP6PROTOSW_H_ */
    150