sys/netinet6/ip6protosw.h

   1 /*
   2  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the project nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  * $FreeBSD: src/sys/netinet6/ip6protosw.h,v 1.2.2.4 2002/04/28 05:40:27 suz Exp $
  30  * $DragonFly: src/sys/netinet6/ip6protosw.h,v 1.9 2008/10/27 02:56:30 sephe Exp $
  31  * $KAME: ip6protosw.h,v 1.25 2001/09/26 06:13:03 keiichi Exp $
  32  */
  33
  34 /*      BSDI protosw.h,v 2.3 1996/10/11 16:02:40 pjd Exp        */
  35
  36 /*-
  37  * Copyright (c) 1982, 1986, 1993
  38  *      The Regents of the University of California.  All rights reserved.
  39  *
  40  * Redistribution and use in source and binary forms, with or without
  41  * modification, are permitted provided that the following conditions
  42  * are met:
  43  * 1. Redistributions of source code must retain the above copyright
  44  *    notice, this list of conditions and the following disclaimer.
  45  * 2. Redistributions in binary form must reproduce the above copyright
  46  *    notice, this list of conditions and the following disclaimer in the
  47  *    documentation and/or other materials provided with the distribution.
  48  * 3. Neither the name of the University nor the names of its contributors
  49  *    may be used to endorse or promote products derived from this software
  50  *    without specific prior written permission.
  51  *
  52  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  53  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  54  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  55  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  56  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  57  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  58  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  59  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  60  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  61  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  62  * SUCH DAMAGE.
  63  *
  64  *      @(#)protosw.h   8.1 (Berkeley) 6/2/93
  65  */
  66
  67 #ifndef _NETINET6_IP6PROTOSW_H_
  68 #define _NETINET6_IP6PROTOSW_H_
  69
  70 #ifndef _SYS_TYPES_H_
  71 #include <sys/types.h>
  72 #endif
  73
  74 /*
  75  * Protocol switch table for IPv6.
  76  * All other definitions should refer to sys/protosw.h
  77  */
  78
  79 struct mbuf;
  80 struct sockaddr;
  81 struct socket;
  82 struct sockopt;
  83 struct domain;
  84 struct proc;
  85 struct ip6_hdr;
  86 struct icmp6_hdr;
  87 struct in6_addr;
  88 struct pr_usrreqs;
  89
  90 /*
  91  * argument type for the last arg of pr_ctlinput().
  92  * should be consulted only with AF_INET6 family.
  93  *
  94  * IPv6 ICMP IPv6 [exthdrs] finalhdr payload
  95  * ^    ^    ^              ^
  96  * |    |    ip6c_ip6       ip6c_off
  97  * |    ip6c_icmp6
  98  * ip6c_m
  99  *
 100  * ip6c_finaldst usually points to ip6c_ip6->ip6_dst.  if the original
 101  * (internal) packet carries a routing header, it may point the final
 102  * dstination address in the routing header.
 103  *
 104  * ip6c_src: ip6c_ip6->ip6_src + scope info + flowlabel in ip6c_ip6
 105  *      (beware of flowlabel, if you try to compare it against others)
 106  * ip6c_dst: ip6c_finaldst + scope info
 107  */
 108 struct ip6ctlparam {
 109         struct mbuf *ip6c_m;            /* start of mbuf chain */
 110         struct icmp6_hdr *ip6c_icmp6;   /* icmp6 header of target packet */
 111         struct ip6_hdr *ip6c_ip6;       /* ip6 header of target packet */
 112         int ip6c_off;                   /* offset of the target proto header */
 113         struct sockaddr_in6 *ip6c_src;  /* srcaddr w/ additional info */
 114         struct sockaddr_in6 *ip6c_dst;  /* (final) dstaddr w/ additional info */
 115         struct in6_addr *ip6c_finaldst; /* final destination address */
 116         void *ip6c_cmdarg;              /* control command dependent data */
 117         u_int8_t ip6c_nxt;              /* final next header field */
 118 };
 119
 120 #endif /* !_NETINET6_IP6PROTOSW_H_ */