FreeBSD/Linux Kernel Cross Reference
sys/sys/domain.h

     /*      $OpenBSD: domain.h,v 1.23 2022/11/23 14:50:59 kn Exp $  */
     /*      $NetBSD: domain.h,v 1.10 1996/02/09 18:25:07 christos Exp $     */
     
     /*
      * Copyright (c) 1982, 1986, 1993
      *      The Regents of the University of California.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      @(#)domain.h    8.1 (Berkeley) 6/2/93
     */
    
    /*
     * Structure per communications domain.
     */
    
    #ifndef _SOCKLEN_T_DEFINED_
    #define _SOCKLEN_T_DEFINED_
    typedef __socklen_t     socklen_t;      /* length type for network syscalls */
    #endif
    
    /*
     * Forward structure declarations for function prototypes [sic].
     */
    struct  mbuf;
    struct  ifnet;
    
    struct domain {
            int     dom_family;             /* AF_xxx */
            char    *dom_name;
            void    (*dom_init)(void);      /* initialize domain data structures */
                                            /* externalize access rights */
            int     (*dom_externalize)(struct mbuf *, socklen_t, int);
                                            /* dispose of internalized rights */
            void    (*dom_dispose)(struct mbuf *);
            const struct    protosw *dom_protosw, *dom_protoswNPROTOSW;
                                            /* initialize routing table */
            unsigned int    dom_sasize;     /* size of sockaddr structure */
            unsigned int    dom_rtoffset;   /* offset of the key, in bytes */
            unsigned int    dom_maxplen;    /* maximum prefix length, in bits */
    };
    
    #ifdef _KERNEL
    void domaininit(void);
    
    extern const struct domain *const domains[];
    extern const struct domain inet6domain;
    extern const struct domain inetdomain;
    extern const struct domain mplsdomain;
    extern const struct domain pfkeydomain;
    extern const struct domain routedomain;
    extern const struct domain unixdomain;
    #endif /* _KERNEL */

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