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

/*-
* 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_ */