/*      $NetBSD: netconfig.h,v 1.6 2008/04/28 20:22:54 martin Exp $     */

/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2004 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Frank van der Linden.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _NETCONFIG_H_
#define _NETCONFIG_H_

#include <sys/cdefs.h>

#define NETCONFIG       "/etc/netconfig"
#define NETPATH         "NETPATH"

struct netconfig {
        char *nc_netid;                 /* Network ID */
        unsigned long nc_semantics;     /* Semantics (see below) */
        unsigned long nc_flag;          /* Flags (see below) */
        char *nc_protofmly;             /* Protocol family */
        char *nc_proto;                 /* Protocol name */
        char *nc_device;                /* Network device pathname */
        unsigned long nc_nlookups;      /* Number of directory lookup libs */
        char **nc_lookups;              /* Names of the libraries */
        unsigned long nc_unused[9];     /* reserved */
};

typedef struct {
        struct netconfig **nc_head;
        struct netconfig **nc_curr;
} NCONF_HANDLE;

/*
 * nc_semantics values
 */
#define NC_TPI_CLTS     1       /* Connectionless transport */
#define NC_TPI_COTS     2       /* Connection oriented transport */
#define NC_TPI_COTS_ORD 3       /* Connection oriented, ordered transport */
#define NC_TPI_RAW      4       /* Raw connection */

/*
 * nc_flag values
 */
#define NC_NOFLAG       0x00
#define NC_VISIBLE      0x01
#define NC_BROADCAST    0x02

/*
 * nc_protofmly values
 */
#define NC_NOPROTOFMLY  "-"
#define NC_LOOPBACK     "loopback"
#define NC_INET         "inet"
#define NC_INET6        "inet6"
#define NC_IMPLINK      "implink"
#define NC_PUP          "pup"
#define NC_CHAOS        "chaos"
#define NC_NS           "ns"
#define NC_NBS          "nbs"
#define NC_ECMA         "ecma"
#define NC_DATAKIT      "datakit"
#define NC_CCITT        "ccitt"
#define NC_SNA          "sna"
#define NC_DECNET       "decnet"
#define NC_DLI          "dli"
#define NC_LAT          "lat"
#define NC_HYLINK       "hylink"
#define NC_APPLETALK    "appletalk"
#define NC_NIT          "nit"
#define NC_IEEE802      "ieee802"
#define NC_OSI          "osi"
#define NC_X25          "x25"
#define NC_OSINET       "osinet"
#define NC_GOSIP        "gosip"

/*
 * nc_proto values
 */
#define NC_NOPROTO      "-"
#define NC_TCP          "tcp"
#define NC_UDP          "udp"
#define NC_ICMP         "icmp"

__BEGIN_DECLS
void *setnetconfig(void);
struct netconfig *getnetconfig(void *);
struct netconfig *getnetconfigent(const char *);
void freenetconfigent(struct netconfig *);
int endnetconfig(void *);

void *setnetpath(void);
struct netconfig *getnetpath(void *);
int endnetpath(void *);

void nc_perror(const char *);
char *nc_sperror(void);
__END_DECLS

#endif /* _NETCONFIG_H_ */