usr.sbin/ppp/proto.h

   1 /*-
   2  * Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org>
   3  *          based on work by Toshiharu OHNO <tony-o@iij.ad.jp>
   4  *                           Internet Initiative Japan, Inc (IIJ)
   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  * $FreeBSD: src/usr.sbin/ppp/proto.h,v 1.2.2.2 2002/09/01 02:12:32 brian Exp $
  29  * $DragonFly: src/usr.sbin/ppp/proto.h,v 1.2 2003/06/17 04:30:01 dillon Exp $
  30  */
  31
  32 /*
  33  *  Definition of protocol numbers
  34  */
  35 #define PROTO_IP        0x0021  /* IP */
  36 #define PROTO_VJUNCOMP  0x002f  /* VJ Uncompressed */
  37 #define PROTO_VJCOMP    0x002d  /* VJ Compressed */
  38 #define PROTO_MP        0x003d  /* Multilink fragment */
  39 #ifndef NOINET6
  40 #define PROTO_IPV6      0x0057  /* IPv6 */
  41 #endif
  42 #define PROTO_ICOMPD    0x00fb  /* Individual link compressed */
  43 #define PROTO_COMPD     0x00fd  /* Compressed datagram */
  44
  45 #define PROTO_COMPRESSIBLE(p) (((p) & 0xff81) == 0x01)
  46
  47 #define PROTO_IPCP      0x8021
  48 #ifndef NOINET6
  49 #define PROTO_IPV6CP    0x8057
  50 #endif
  51 #define PROTO_ICCP      0x80fb
  52 #define PROTO_CCP       0x80fd
  53
  54 #define PROTO_LCP       0xc021
  55 #define PROTO_PAP       0xc023
  56 #define PROTO_CBCP      0xc029
  57 #define PROTO_LQR       0xc025
  58 #define PROTO_CHAP      0xc223
  59
  60 struct lcp;
  61
  62 extern int proto_WrapperOctets(struct lcp *, u_short);
  63 struct mbuf *proto_Prepend(struct mbuf *, u_short, unsigned, int);
  64
  65 extern struct layer protolayer;