FreeBSD/Linux Kernel Cross Reference
sys/netns/ns_if.h

     /*      $NetBSD: ns_if.h,v 1.10 2003/08/07 16:33:45 agc Exp $   */
     
     /*
      * Copyright (c) 1984, 1985, 1986, 1987, 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.
     *
     *      @(#)ns_if.h     8.1 (Berkeley) 6/10/93
     */
    
    /*
     * Interface address, xerox version.  One of these structures
     * is allocated for each interface with an internet address.
     * The ifaddr structure contains the protocol-independent part
     * of the structure and is assumed to be first.
     */
    
    struct ns_ifaddr {
            struct  ifaddr ia_ifa;          /* protocol-independent info */
    #define ia_ifp          ia_ifa.ifa_ifp
    #define ia_flags        ia_ifa.ifa_flags
            TAILQ_ENTRY(ns_ifaddr) ia_list; /* list of xerox addresses */
            struct  sockaddr_ns ia_addr;    /* reserve space for my address */
            struct  sockaddr_ns ia_dstaddr; /* space for my broadcast address */
    #define ia_broadaddr    ia_dstaddr
            struct  sockaddr_ns ia_netmask; /* space for my network mask */
    };
    
    struct  ns_aliasreq {
            char    ifra_name[IFNAMSIZ];            /* if name, e.g. "en0" */
            struct  sockaddr_ns ifra_addr;
            struct  sockaddr_ns ifra_dstaddr;
    #define ifra_broadaddr ifra_dstaddr
    };
    /*
     * Given a pointer to an ns_ifaddr (ifaddr),
     * return a pointer to the addr as a sockadd_ns.
     */
    
    #define IA_SNS(ia) (&(((struct ns_ifaddr *)(ia))->ia_addr))
    
    #ifdef  NSIP
    struct nsip_req {
            struct sockaddr rq_ns;  /* must be ns format destination */
            struct sockaddr rq_ip;  /* must be ip format gateway */
            short rq_flags;
    };
    #endif
    
    #ifdef  _KERNEL
    TAILQ_HEAD(ns_ifaddrhead, ns_ifaddr);
    extern  struct  ns_ifaddrhead ns_ifaddr;
    extern  struct  ifqueue nsintrq;        /* XNS input packet queue */
    #endif

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