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ip6protosw.h revision 1.13
      1  1.13      agc /*	$NetBSD: ip6protosw.h,v 1.13 2003/08/07 16:33:29 agc 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  1.12     fvdl 			     struct mbuf *, struct mbuf *, struct proc *));
    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 	int	(*pr_sysctl)		/* sysctl for protocol */
    146   1.2   itojun 			__P((int *, u_int, void *, size_t *, void *, size_t));
    147   1.2   itojun };
    148   1.6  darrenr 
    149   1.9   itojun extern struct ip6protosw inet6sw[];
    150   1.2   itojun 
    151   1.2   itojun #endif /* !_NETINET6_IP6PROTOSW_H_ */
    152