The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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

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    1 /*      $NetBSD: ns_if.h,v 1.10 2003/08/07 16:33:45 agc Exp $   */
    2 
    3 /*
    4  * Copyright (c) 1984, 1985, 1986, 1987, 1993
    5  *      The Regents of the University of California.  All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. Neither the name of the University nor the names of its contributors
   16  *    may be used to endorse or promote products derived from this software
   17  *    without specific prior written permission.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29  * SUCH DAMAGE.
   30  *
   31  *      @(#)ns_if.h     8.1 (Berkeley) 6/10/93
   32  */
   33 
   34 /*
   35  * Interface address, xerox version.  One of these structures
   36  * is allocated for each interface with an internet address.
   37  * The ifaddr structure contains the protocol-independent part
   38  * of the structure and is assumed to be first.
   39  */
   40 
   41 struct ns_ifaddr {
   42         struct  ifaddr ia_ifa;          /* protocol-independent info */
   43 #define ia_ifp          ia_ifa.ifa_ifp
   44 #define ia_flags        ia_ifa.ifa_flags
   45         TAILQ_ENTRY(ns_ifaddr) ia_list; /* list of xerox addresses */
   46         struct  sockaddr_ns ia_addr;    /* reserve space for my address */
   47         struct  sockaddr_ns ia_dstaddr; /* space for my broadcast address */
   48 #define ia_broadaddr    ia_dstaddr
   49         struct  sockaddr_ns ia_netmask; /* space for my network mask */
   50 };
   51 
   52 struct  ns_aliasreq {
   53         char    ifra_name[IFNAMSIZ];            /* if name, e.g. "en0" */
   54         struct  sockaddr_ns ifra_addr;
   55         struct  sockaddr_ns ifra_dstaddr;
   56 #define ifra_broadaddr ifra_dstaddr
   57 };
   58 /*
   59  * Given a pointer to an ns_ifaddr (ifaddr),
   60  * return a pointer to the addr as a sockadd_ns.
   61  */
   62 
   63 #define IA_SNS(ia) (&(((struct ns_ifaddr *)(ia))->ia_addr))
   64 
   65 #ifdef  NSIP
   66 struct nsip_req {
   67         struct sockaddr rq_ns;  /* must be ns format destination */
   68         struct sockaddr rq_ip;  /* must be ip format gateway */
   69         short rq_flags;
   70 };
   71 #endif
   72 
   73 #ifdef  _KERNEL
   74 TAILQ_HEAD(ns_ifaddrhead, ns_ifaddr);
   75 extern  struct  ns_ifaddrhead ns_ifaddr;
   76 extern  struct  ifqueue nsintrq;        /* XNS input packet queue */
   77 #endif

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