1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29struct ifa_msghdr;
30
31struct iface_addr {
32  unsigned system : 1;		/* System alias ? */
33  struct ncprange ifa;		/* local address/mask */
34  struct ncpaddr peer;		/* peer address */
35};
36
37struct iface {
38  char *name;			/* Interface name (malloc'd) */
39  char *descr;			/* Interface description (malloc'd) */
40  int index;			/* Interface index */
41  int flags;			/* Interface flags (IFF_*) */
42  unsigned long mtu;		/* struct tuninfo MTU */
43
44  unsigned addrs;		/* How many in_addr's */
45  struct iface_addr *addr;	/* Array of addresses (malloc'd) */
46};
47
48#define IFACE_CLEAR_ALL		0	/* Nuke 'em all */
49#define IFACE_CLEAR_ALIASES	1	/* Leave the NCP address */
50
51#define IFACE_ADD_LAST		0	/* Just another alias */
52#define IFACE_ADD_FIRST		1	/* The IPCP address */
53#define IFACE_FORCE_ADD		2	/* OR'd with IFACE_ADD_{FIRST,LAST} */
54
55#define IFACE_SYSTEM		4	/* Set/clear SYSTEM entries */
56
57extern struct iface *iface_Create(const char *name);
58extern void iface_Clear(struct iface *, struct ncp *, int, int);
59extern int iface_Name(struct iface *, const char *);
60extern int iface_Descr(struct cmdargs const *);
61extern int iface_Add(struct iface *, struct ncp *, const struct ncprange *,
62                     const struct ncpaddr *, int);
63extern int iface_Delete(struct iface *, struct ncp *, const struct ncpaddr *);
64extern int iface_Show(struct cmdargs const *);
65extern int iface_SetFlags(const char *, int);
66extern int iface_ClearFlags(const char *, int);
67extern void iface_Free(struct iface *);
68extern void iface_Destroy(struct iface *);
69extern void iface_ParseHdr(struct ifa_msghdr *, struct sockaddr *[RTAX_MAX]);
70