bsd/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  */
  30
  31 /*      BSDI protosw.h,v 2.3 1996/10/11 16:02:40 pjd Exp        */
  32
  33 /*-
  34  * Copyright (c) 1982, 1986, 1993
  35  *      The Regents of the University of California.  All rights reserved.
  36  *
  37  * Redistribution and use in source and binary forms, with or without
  38  * modification, are permitted provided that the following conditions
  39  * are met:
  40  * 1. Redistributions of source code must retain the above copyright
  41  *    notice, this list of conditions and the following disclaimer.
  42  * 2. Redistributions in binary form must reproduce the above copyright
  43  *    notice, this list of conditions and the following disclaimer in the
  44  *    documentation and/or other materials provided with the distribution.
  45  * 3. All advertising materials mentioning features or use of this software
  46  *    must display the following acknowledgement:
  47  *      This product includes software developed by the University of
  48  *      California, Berkeley and its contributors.
  49  * 4. Neither the name of the University nor the names of its contributors
  50  *    may be used to endorse or promote products derived from this software
  51  *    without specific prior written permission.
  52  *
  53  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  54  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  55  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  56  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  57  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  58  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  59  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  60  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  61  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  62  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  63  * SUCH DAMAGE.
  64  *
  65  *      @(#)protosw.h   8.1 (Berkeley) 6/2/93
  66  *      $Id: ip6protosw.h,v 1.2 2000/09/14 20:35:15 lindak Exp $
  67  */
  68
  69 #ifndef _NETINET6_IP6PROTOSW_H_
  70 #define _NETINET6_IP6PROTOSW_H_
  71
  72 /*
  73  * Protocol switch table for IPv6.
  74  * All other definitions should refer to sys/protosw.h
  75  */
  76
  77 struct mbuf;
  78 struct sockaddr;
  79 struct socket;
  80 struct domain;
  81 struct proc;
  82 struct ip6_hdr;
  83 #ifdef __FreeBSD__
  84 struct pr_usrreqs;
  85 #endif
  86
  87 #include <sys/socketvar.h>
  88 #include <sys/queue.h>
  89 /*
  90  * argument type for the last arg of pr_ctlinput().
  91  * should be consulted only with AF_INET6 family.
  92  */
  93 struct ip6ctlparam {
  94         struct mbuf *ip6c_m;            /* start of mbuf chain */
  95         struct ip6_hdr *ip6c_ip6;       /* ip6 header of target packet */
  96         int ip6c_off;                   /* offset of the target proto header */
  97 };
  98
  99 struct ip6protosw {
 100         short   pr_type;                /* socket type used for */
 101         struct  domain *pr_domain;      /* domain protocol a member of */
 102         short   pr_protocol;            /* protocol number */
 103         unsigned int pr_flags;          /* see below */
 104 /* protocol-protocol hooks */
 105         int     (*pr_input) __P((struct mbuf **, int *, int));
 106                                         /* input to protocol (from below) */
 107         int     (*pr_output)    __P((struct mbuf *m, struct socket *so,
 108                                      struct sockaddr_in6 *, struct mbuf *));
 109                                         /* output to protocol (from above) */
 110         void    (*pr_ctlinput)__P((int, struct sockaddr *, struct ip6_hdr *,
 111                                    struct mbuf *, int));
 112                                         /* control input (from below) */
 113         int     (*pr_ctloutput)__P((struct socket *, struct sockopt *));
 114                                         /* control output (from above) */
 115 /* user-protocol hook */
 116         int     (*pr_usrreq)            /* user request: see list below */
 117                         __P((struct socket *, int, struct mbuf *,
 118                              struct mbuf *, struct mbuf *, struct proc *));
 119
 120 /* utility hooks */
 121         void    (*pr_init) __P((void)); /* initialization hook */
 122         void    (*pr_fasttimo) __P((void));
 123                                         /* fast timeout (200ms) */
 124         void    (*pr_slowtimo) __P((void));
 125                                         /* slow timeout (500ms) */
 126         void    (*pr_drain) __P((void));
 127                                         /* flush any excess space possible */
 128 /* ### Added for MacOS X */
 129         int     (*pr_sysctl)();         /* sysctl for protocol */
 130
 131         struct  pr_usrreqs *pr_usrreqs; /* supersedes pr_usrreq() */
 132 /* ### Added MacOS X Implant hooks */
 133         TAILQ_HEAD(pr6_sfilter, NFDescriptor) pr_sfilter;
 134         struct protosw *pr_next;        /* Chain for domain */
 135 };
 136
 137 #endif