1/*-
2 * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: src/usr.sbin/ppp/iface.h,v 1.8.26.1 2010/12/21 17:10:29 kensmith Exp $
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  int index;			/* Interface index */
40  int flags;			/* Interface flags (IFF_*) */
41  unsigned long mtu;		/* struct tuninfo MTU */
42
43  unsigned addrs;		/* How many in_addr's */
44  struct iface_addr *addr;	/* Array of addresses (malloc'd) */
45};
46
47#define IFACE_CLEAR_ALL		0	/* Nuke 'em all */
48#define IFACE_CLEAR_ALIASES	1	/* Leave the NCP address */
49
50#define IFACE_ADD_LAST		0	/* Just another alias */
51#define IFACE_ADD_FIRST		1	/* The IPCP address */
52#define IFACE_FORCE_ADD		2	/* OR'd with IFACE_ADD_{FIRST,LAST} */
53
54#define IFACE_SYSTEM		4	/* Set/clear SYSTEM entries */
55
56extern struct iface *iface_Create(const char *name);
57extern void iface_Clear(struct iface *, struct ncp *, int, int);
58extern int iface_Add(struct iface *, struct ncp *, const struct ncprange *,
59                     const struct ncpaddr *, int);
60extern int iface_Delete(struct iface *, struct ncp *, const struct ncpaddr *);
61extern int iface_Show(struct cmdargs const *);
62extern int iface_SetFlags(const char *, int);
63extern int iface_ClearFlags(const char *, int);
64extern void iface_Destroy(struct iface *);
65extern void iface_ParseHdr(struct ifa_msghdr *, struct sockaddr *[RTAX_MAX]);
66