proto.h revision 50479 
1/*
2 *	    Written by Toshiharu OHNO (tony-o@iij.ad.jp)
3 *
4 *   Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd.
5 *
6 * Redistribution and use in source and binary forms are permitted
7 * provided that the above copyright notice and this paragraph are
8 * duplicated in all such forms and that any documentation,
9 * advertising materials, and other materials related to such
10 * distribution and use acknowledge that the software was developed
11 * by the Internet Initiative Japan.  The name of the
12 * IIJ may not be used to endorse or promote products derived
13 * from this software without specific prior written permission.
14 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
16 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
17 *
18 * $FreeBSD: head/usr.sbin/ppp/proto.h 50479 1999-08-28 01:35:59Z peter $
19 */
20
21/*
22 *  Definition of protocol numbers
23 */
24#define	PROTO_IP	0x0021	/* IP */
25#define	PROTO_VJUNCOMP	0x002f	/* VJ Uncompressed */
26#define	PROTO_VJCOMP	0x002d	/* VJ Compressed */
27#define	PROTO_MP	0x003d	/* Multilink fragment */
28#define	PROTO_ICOMPD	0x00fb	/* Individual link compressed */
29#define	PROTO_COMPD	0x00fd	/* Compressed datagram */
30
31#define PROTO_COMPRESSIBLE(p) (((p) & 0xffe1) == 0x21)
32
33#define	PROTO_IPCP	0x8021
34#define	PROTO_ICCP	0x80fb
35#define	PROTO_CCP	0x80fd
36
37#define	PROTO_LCP	0xc021
38#define	PROTO_PAP	0xc023
39#define	PROTO_CBCP	0xc029
40#define	PROTO_LQR	0xc025
41#define	PROTO_CHAP	0xc223
42
43struct lcp;
44
45extern int proto_WrapperOctets(struct lcp *, u_short);
46struct mbuf *proto_Prepend(struct mbuf *, u_short, unsigned, int);
47
48extern struct layer protolayer;
49