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/*-
* 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.
*
* $FreeBSD$
*/
/*
* 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;
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