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 29 struct ifa_msghdr; 30 31 struct iface_addr { 32 unsigned system : 1; /* System alias ? */ 33 struct ncprange ifa; /* local address/mask */ 34 struct ncpaddr peer; /* peer address */ 35 }; 36 37 struct 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 57 extern struct iface *iface_Create(const char *name); 58 extern void iface_Clear(struct iface *, struct ncp *, int, int); 59 extern int iface_Name(struct iface *, const char *); 60 extern int iface_Descr(struct cmdargs const *); 61 extern int iface_Add(struct iface *, struct ncp *, const struct ncprange *, 62 const struct ncpaddr *, int); 63 extern int iface_Delete(struct iface *, struct ncp *, const struct ncpaddr *); 64 extern int iface_Show(struct cmdargs const *); 65 extern int iface_SetFlags(const char *, int); 66 extern int iface_ClearFlags(const char *, int); 67 extern void iface_Free(struct iface *); 68 extern void iface_Destroy(struct iface *); 69 extern void iface_ParseHdr(struct ifa_msghdr *, struct sockaddr *[RTAX_MAX]); 70