usr/src/sys/netns/ns_if.h

/*
 * Copyright (c) 1984, 1985, 1986, 1987 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *      @(#)ns_if.h     7.3 (Berkeley) 6/29/88
 */

/*
 * 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_addr ia_ifa.ifa_addr
#define ia_broadaddr    ia_ifa.ifa_broadaddr
#define ia_dstaddr      ia_ifa.ifa_dstaddr
#define ia_ifp          ia_ifa.ifa_ifp
        union   ns_net  ia_net;         /* network number of interface */
        int     ia_flags;
        struct  ns_ifaddr *ia_next;     /* next in list of internet addresses */
};

/*
 * Given a pointer to an ns_ifaddr (ifaddr),
 * return a pointer to the addr as a sockadd_ns.
 */

#define IA_SNS(ia) ((struct sockaddr_ns *)(&((struct ns_ifaddr *)ia)->ia_addr))
/*
 * ia_flags
 */
#define IFA_ROUTE       0x01            /* routing entry installed */

/* This is not the right place for this but where is? */
#define ETHERTYPE_NS    0x0600

#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
struct  ns_ifaddr *ns_ifaddr;
struct  ns_ifaddr *ns_iaonnetof();
struct  ifqueue nsintrq;        /* XNS input packet queue */
#endif