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 * $FreeBSD$ 29 */ 30 31 /* 32 * Definition of protocol numbers 33 */ 34 #define PROTO_IP 0x0021 /* IP */ 35 #define PROTO_VJUNCOMP 0x002f /* VJ Uncompressed */ 36 #define PROTO_VJCOMP 0x002d /* VJ Compressed */ 37 #define PROTO_MP 0x003d /* Multilink fragment */ 38 #ifndef NOINET6 39 #define PROTO_IPV6 0x0057 /* IPv6 */ 40 #endif 41 #define PROTO_ICOMPD 0x00fb /* Individual link compressed */ 42 #define PROTO_COMPD 0x00fd /* Compressed datagram */ 43 44 #define PROTO_COMPRESSIBLE(p) (((p) & 0xff81) == 0x01) 45 46 #define PROTO_IPCP 0x8021 47 #ifndef NOINET6 48 #define PROTO_IPV6CP 0x8057 49 #endif 50 #define PROTO_ICCP 0x80fb 51 #define PROTO_CCP 0x80fd 52 53 #define PROTO_LCP 0xc021 54 #define PROTO_PAP 0xc023 55 #define PROTO_CBCP 0xc029 56 #define PROTO_LQR 0xc025 57 #define PROTO_CHAP 0xc223 58 59 struct lcp; 60 61 extern int proto_WrapperOctets(struct lcp *, u_short); 62 struct mbuf *proto_Prepend(struct mbuf *, u_short, unsigned, int); 63 64 extern struct layer protolayer; 65