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 /*
    2  * Copyright (c) 1984, 1985, 1986, 1987, 1993
    3  *      The Regents of the University of California.  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. All advertising materials mentioning features or use of this software
   14  *    must display the following acknowledgement:
   15  *      This product includes software developed by the University of
   16  *      California, Berkeley and its contributors.
   17  * 4. Neither the name of the University nor the names of its contributors
   18  *    may be used to endorse or promote products derived from this software
   19  *    without specific prior written permission.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   31  * SUCH DAMAGE.
   32  *
   33  *      @(#)ns_if.h     8.1 (Berkeley) 6/10/93
   34  * $FreeBSD$
   35  */
   36 
   37 #ifndef _NETNS_NS_IF_H_
   38 #define _NETNS_NS_IF_H_
   39 
   40 /*
   41  * Interface address, xerox version.  One of these structures
   42  * is allocated for each interface with an internet address.
   43  * The ifaddr structure contains the protocol-independent part
   44  * of the structure and is assumed to be first.
   45  */
   46 
   47 struct ns_ifaddr {
   48         struct  ifaddr ia_ifa;          /* protocol-independent info */
   49 #define ia_ifp          ia_ifa.ifa_ifp
   50 #define ia_flags        ia_ifa.ifa_flags
   51         struct  ns_ifaddr *ia_next;     /* next in list of xerox addresses */
   52         struct  sockaddr_ns ia_addr;    /* reserve space for my address */
   53         struct  sockaddr_ns ia_dstaddr; /* space for my broadcast address */
   54 #define ia_broadaddr    ia_dstaddr
   55         struct  sockaddr_ns ia_netmask; /* space for my network mask */
   56 };
   57 
   58 struct  ns_aliasreq {
   59         char    ifra_name[IFNAMSIZ];            /* if name, e.g. "en0" */
   60         struct  sockaddr_ns ifra_addr;
   61         struct  sockaddr_ns ifra_broadaddr;
   62 #define ifra_dstaddr ifra_broadaddr
   63 };
   64 /*
   65  * Given a pointer to an ns_ifaddr (ifaddr),
   66  * return a pointer to the addr as a sockadd_ns.
   67  */
   68 
   69 #define IA_SNS(ia) (&(((struct ns_ifaddr *)(ia))->ia_addr))
   70 
   71 /* This is not the right place for this but where is? */
   72 #define ETHERTYPE_NS    0x0600
   73 
   74 #ifdef  NSIP
   75 struct nsip_req {
   76         struct sockaddr rq_ns;  /* must be ns format destination */
   77         struct sockaddr rq_ip;  /* must be ip format gateway */
   78         short rq_flags;
   79 };
   80 #endif
   81 
   82 #ifdef  KERNEL
   83 struct  ns_ifaddr *ns_ifaddr;
   84 struct  ns_ifaddr *ns_iaonnetof();
   85 void    nsintr __P((void));
   86 struct  ifqueue nsintrq;        /* XNS input packet queue */
   87 #endif
   88 
   89 #endif

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