usr.sbin/ppp/iface.h

   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  * $FreeBSD$
  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]);