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ip6protosw.h revision 1.16.8.1
      1  1.16.8.1      yamt /*	$NetBSD: ip6protosw.h,v 1.16.8.1 2006/09/03 15:25:42 yamt Exp $	*/
      2      1.10    itojun /*	$KAME: ip6protosw.h,v 1.22 2001/02/08 18:02:08 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      1.13       agc  * 3. Neither the name of the University nor the names of its contributors
     49       1.2    itojun  *    may be used to endorse or promote products derived from this software
     50       1.2    itojun  *    without specific prior written permission.
     51       1.2    itojun  *
     52       1.2    itojun  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     53       1.2    itojun  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     54       1.2    itojun  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     55       1.2    itojun  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     56       1.2    itojun  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     57       1.2    itojun  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     58       1.2    itojun  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     59       1.2    itojun  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     60       1.2    itojun  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     61       1.2    itojun  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     62       1.2    itojun  * SUCH DAMAGE.
     63       1.2    itojun  *
     64       1.2    itojun  *	@(#)protosw.h	8.1 (Berkeley) 6/2/93
     65       1.2    itojun  */
     66       1.2    itojun 
     67       1.2    itojun #ifndef _NETINET6_IP6PROTOSW_H_
     68       1.2    itojun #define _NETINET6_IP6PROTOSW_H_
     69       1.2    itojun 
     70       1.2    itojun /*
     71       1.2    itojun  * Protocol switch table for IPv6.
     72       1.2    itojun  * All other definitions should refer to sys/protosw.h
     73       1.2    itojun  */
     74       1.2    itojun 
     75       1.2    itojun struct mbuf;
     76       1.2    itojun struct sockaddr;
     77       1.2    itojun struct socket;
     78       1.2    itojun struct domain;
     79       1.2    itojun struct proc;
     80       1.2    itojun struct ip6_hdr;
     81       1.7    itojun struct icmp6_hdr;
     82       1.7    itojun struct in6_addr;
     83       1.4    itojun 
     84       1.4    itojun /*
     85       1.4    itojun  * argument type for the last arg of pr_ctlinput().
     86       1.4    itojun  * should be consulted only with AF_INET6 family.
     87       1.7    itojun  *
     88       1.7    itojun  * IPv6 ICMP IPv6 [exthdrs] finalhdr paylaod
     89       1.7    itojun  * ^    ^    ^              ^
     90       1.7    itojun  * |    |    ip6c_ip6       ip6c_off
     91       1.7    itojun  * |    ip6c_icmp6
     92       1.7    itojun  * ip6c_m
     93       1.7    itojun  *
     94       1.7    itojun  * ip6c_finaldst usually points to ip6c_ip6->ip6_dst.  if the original
     95       1.7    itojun  * (internal) packet carries a routing header, it may point the final
     96       1.7    itojun  * dstination address in the routing header.
     97      1.10    itojun  *
     98      1.10    itojun  * ip6c_src: ip6c_ip6->ip6_src + scope info + flowlabel in ip6c_ip6
     99      1.10    itojun  *	(beware of flowlabel, if you try to compare it against others)
    100      1.10    itojun  * ip6c_dst: ip6c_finaldst + scope info
    101       1.4    itojun  */
    102       1.4    itojun struct ip6ctlparam {
    103       1.4    itojun 	struct mbuf *ip6c_m;		/* start of mbuf chain */
    104       1.7    itojun 	struct icmp6_hdr *ip6c_icmp6;	/* icmp6 header of target packet */
    105       1.4    itojun 	struct ip6_hdr *ip6c_ip6;	/* ip6 header of target packet */
    106       1.4    itojun 	int ip6c_off;			/* offset of the target proto header */
    107      1.10    itojun 	struct sockaddr_in6 *ip6c_src;	/* srcaddr w/ additional info */
    108      1.10    itojun 	struct sockaddr_in6 *ip6c_dst;	/* (final) dstaddr w/ additional info */
    109       1.7    itojun 	struct in6_addr *ip6c_finaldst;	/* final destination address */
    110      1.10    itojun 	void *ip6c_cmdarg;		/* control command dependent data */
    111      1.10    itojun 	u_int8_t ip6c_nxt;		/* final next header field */
    112       1.4    itojun };
    113       1.2    itojun 
    114       1.2    itojun struct ip6protosw {
    115       1.2    itojun 	int 	pr_type;		/* socket type used for */
    116       1.2    itojun 	struct	domain *pr_domain;	/* domain protocol a member of */
    117       1.2    itojun 	short	pr_protocol;		/* protocol number */
    118       1.2    itojun 	short	pr_flags;		/* see below */
    119       1.2    itojun 
    120       1.2    itojun /* protocol-protocol hooks */
    121       1.2    itojun 	int	(*pr_input)		/* input to protocol (from below) */
    122       1.2    itojun 			__P((struct mbuf **, int *, int));
    123       1.2    itojun 	int	(*pr_output)		/* output to protocol (from above) */
    124       1.2    itojun 			__P((struct mbuf *, ...));
    125       1.2    itojun 	void	(*pr_ctlinput)		/* control input (from below) */
    126       1.4    itojun 			__P((int, struct sockaddr *, void *));
    127       1.2    itojun 	int	(*pr_ctloutput)		/* control output (from above) */
    128       1.2    itojun 			__P((int, struct socket *, int, int, struct mbuf **));
    129       1.2    itojun 
    130       1.2    itojun /* user-protocol hook */
    131       1.2    itojun 	int	(*pr_usrreq)		/* user request: see list below */
    132       1.2    itojun 			__P((struct socket *, int, struct mbuf *,
    133      1.16  christos 			     struct mbuf *, struct mbuf *, struct lwp *));
    134       1.2    itojun 
    135       1.2    itojun /* utility hooks */
    136       1.2    itojun 	void	(*pr_init)		/* initialization hook */
    137       1.2    itojun 			__P((void));
    138       1.2    itojun 
    139       1.2    itojun 	void	(*pr_fasttimo)		/* fast timeout (200ms) */
    140       1.2    itojun 			__P((void));
    141       1.2    itojun 	void	(*pr_slowtimo)		/* slow timeout (500ms) */
    142       1.2    itojun 			__P((void));
    143       1.2    itojun 	void	(*pr_drain)		/* flush any excess space possible */
    144       1.2    itojun 			__P((void));
    145       1.2    itojun };
    146       1.6   darrenr 
    147      1.15      matt extern const struct ip6protosw inet6sw[];
    148       1.2    itojun 
    149       1.2    itojun #endif /* !_NETINET6_IP6PROTOSW_H_ */
    150