usr/src/sys/netns/ns_if.h

/*
 * Copyright (c) 1985 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *      @(#)ns_if.h     6.3 (Berkeley) %G%
 */

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