/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org> * based on work by Toshiharu OHNO <tony-o@iij.ad.jp> * Internet Initiative Japan, Inc (IIJ) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Definition of protocol numbers */ #define PROTO_IP 0x0021 /* IP */ #define PROTO_VJUNCOMP 0x002f /* VJ Uncompressed */ #define PROTO_VJCOMP 0x002d /* VJ Compressed */ #define PROTO_MP 0x003d /* Multilink fragment */ #ifndef NOINET6 #define PROTO_IPV6 0x0057 /* IPv6 */ #endif #define PROTO_ICOMPD 0x00fb /* Individual link compressed */ #define PROTO_COMPD 0x00fd /* Compressed datagram */ #define PROTO_COMPRESSIBLE(p) (((p) & 0xff81) == 0x01) #define PROTO_IPCP 0x8021 #ifndef NOINET6 #define PROTO_IPV6CP 0x8057 #endif #define PROTO_ICCP 0x80fb #define PROTO_CCP 0x80fd #define PROTO_LCP 0xc021 #define PROTO_PAP 0xc023 #define PROTO_CBCP 0xc029 #define PROTO_LQR 0xc025 #define PROTO_CHAP 0xc223 struct lcp; extern int proto_WrapperOctets(struct lcp *, u_short); struct mbuf *proto_Prepend(struct mbuf *, u_short, unsigned, int); extern struct layer protolayer;