/*      $NetBSD: at_var.h,v 1.10 2022/09/03 01:48:22 thorpej Exp $       */

/*
 * Copyright (c) 1990,1991 Regents of The University of Michigan.
 * All Rights Reserved.
 *
 * Permission to use, copy, modify, and distribute this software and
 * its documentation for any purpose and without fee is hereby granted,
 * provided that the above copyright notice appears in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation, and that the name of The University
 * of Michigan not be used in advertising or publicity pertaining to
 * distribution of the software without specific, written prior
 * permission. This software is supplied as is without expressed or
 * implied warranties of any kind.
 *
 * This product includes software developed by the University of
 * California, Berkeley and its contributors.
 *
 *      Research Systems Unix Group
 *      The University of Michigan
 *      c/o Wesley Craig
 *      535 W. William Street
 *      Ann Arbor, Michigan
 *      +1-313-764-2278
 *      netatalk@umich.edu
 */

#ifndef _NETATALK_AT_VAR_H_
#define _NETATALK_AT_VAR_H_

#include <sys/callout.h>

/*
 * For phase2, we need to keep not only our address on an interface,
 * but also the legal networks on the interface.
 */
struct at_ifaddr {
        struct ifaddr   aa_ifa;
#define aa_ifp          aa_ifa.ifa_ifp
        struct sockaddr_at aa_addr;
        struct sockaddr_at aa_broadaddr;
#define aa_dstaddr      aa_broadaddr;
        struct sockaddr_at aa_netmask;
        int             aa_flags;
        u_short         aa_firstnet, aa_lastnet;
        int             aa_probcnt;
        TAILQ_ENTRY(at_ifaddr) aa_list; /* list of appletalk addresses */
        struct callout  aa_probe_ch;    /* for aarpprobe() */
};

struct at_aliasreq {
        char                    ifra_name[IFNAMSIZ];
        struct sockaddr_at      ifra_addr;
        struct sockaddr_at      ifra_broadaddr;
#define ifra_dstaddr            ifra_broadaddr
        struct sockaddr_at      ifra_mask;
};

#define AA_SAT(aa) \
    (&(aa->aa_addr))
#define satosat(sa)     ((struct sockaddr_at *)(sa))
#define satocsat(sa)    ((const struct sockaddr_at *)(sa))

#define AFA_ROUTE       0x0001
#define AFA_PROBING     0x0002
#define AFA_PHASE2      0x0004

#ifdef _KERNEL

#include <net/pktqueue.h>

int sockaddr_at_cmp(const struct sockaddr *, const struct sockaddr *);

static __inline void
sockaddr_at_init1(struct sockaddr_at *sat, const struct at_addr *addr,
    uint8_t port)
{
        sat->sat_port = port;
        sat->sat_addr = *addr;
}

static __inline void
sockaddr_at_init(struct sockaddr_at *sat, const struct at_addr *addr,
    uint8_t port)
{
        memset(sat, 0, sizeof(*sat));
        sat->sat_family = AF_APPLETALK;
        sat->sat_len = sizeof(*sat);
        sockaddr_at_init1(sat, addr, port);
}

static __inline struct sockaddr *
sockaddr_at_alloc(const struct at_addr *addr, uint8_t port, int flags)
{
        struct sockaddr *sa;

        sa = sockaddr_alloc(AF_APPLETALK, sizeof(struct sockaddr_at),
            flags | M_ZERO);

        if (sa == NULL)
                return NULL;

        sockaddr_at_init1(satosat(sa), addr, port);

        return sa;
}
TAILQ_HEAD(at_ifaddrhead, at_ifaddr);
extern struct at_ifaddrhead at_ifaddr;
extern pktqueue_t *at_pktq1, *at_pktq2;
#endif

#endif /* !_NETATALK_AT_VAR_H_ */