iface.h revision 40561 
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 *	$Id:$
27 */
28
29struct iface_addr {
30  struct in_addr ifa;		/* local address */
31  struct in_addr mask;		/* netmask */
32  int bits;			/* netmask bits - -1 if not contiguous */
33  struct in_addr brd;		/* peer address */
34};
35
36struct iface {
37  char *name;			/* Interface name (malloc'd) */
38  int index;			/* Interface index */
39  int flags;			/* Interface flags (IFF_*) */
40
41  int in_addrs;			/* How many in_addr's */
42  struct iface_addr *in_addr;	/* Array of addresses (malloc'd) */
43};
44
45#define IFACE_CLEAR_ALL		0	/* Nuke 'em all */
46#define IFACE_CLEAR_ALIASES	1	/* Leave the IPCP address */
47
48#define IFACE_ADD_LAST		0	/* Just another alias */
49#define IFACE_ADD_FIRST		1	/* The IPCP address */
50#define IFACE_FORCE_ADD		2	/* OR'd with IFACE_ADD_{FIRST,LAST} */
51
52#define iface_Clear iface_inClear	/* Same for now */
53
54extern struct iface *iface_Create(const char *name);
55extern void iface_inClear(struct iface *, int);
56extern int iface_inAdd(struct iface *, struct in_addr, struct in_addr,
57                     struct in_addr, int);
58extern int iface_inDelete(struct iface *, struct in_addr);
59extern int iface_Show(struct cmdargs const *);
60extern void iface_Destroy(struct iface *);
61