/* @(#) $Header: /tcpdump/master/tcpdump/ppp.h,v 1.16 2004-10-20 16:14:16 hannes Exp $ (LBL) *//* * Point to Point Protocol (PPP) RFC1331 * * Copyright 1989 by Carnegie Mellon. * * Permission to use, copy, modify, and distribute this program for any * purpose and without fee is hereby granted, provided that this copyright * and permission notice appear on all copies and supporting documentation, * the name of Carnegie Mellon not be used in advertising or publicity * pertaining to distribution of the program without specific prior * permission, and notice be given in supporting documentation that copying * and distribution is by permission of Carnegie Mellon and Stanford * University.  Carnegie Mellon makes no representations about the * suitability of this software for any purpose.  It is provided "as is" * without express or implied warranty. */#define PPP_HDRLEN	4	/* length of PPP header */#define PPP_ADDRESS	0xff	/* The address byte value */#define PPP_CONTROL	0x03	/* The control byte value */#define PPP_WITHDIRECTION_IN  0x00 /* non-standard for DLT_PPP_WITHDIRECTION */#define PPP_WITHDIRECTION_OUT 0x01 /* non-standard for DLT_PPP_WITHDIRECTION *//* Protocol numbers */#define PPP_IP		0x0021	/* Raw IP */#define PPP_OSI		0x0023	/* OSI Network Layer */#define PPP_NS		0x0025	/* Xerox NS IDP */#define PPP_DECNET	0x0027	/* DECnet Phase IV */#define PPP_APPLE	0x0029	/* Appletalk */#define PPP_IPX		0x002b	/* Novell IPX */#define PPP_VJC		0x002d	/* Van Jacobson Compressed TCP/IP */#define PPP_VJNC	0x002f	/* Van Jacobson Uncompressed TCP/IP */#define PPP_BRPDU	0x0031	/* Bridging PDU */#define PPP_STII	0x0033	/* Stream Protocol (ST-II) */#define PPP_VINES	0x0035	/* Banyan Vines */#define PPP_ML          0x003d  /* Multi-Link PPP */#define PPP_IPV6	0x0057	/* IPv6 */#define	PPP_COMP	0x00fd	/* Compressed Datagram */#define PPP_HELLO	0x0201	/* 802.1d Hello Packets */#define PPP_LUXCOM	0x0231	/* Luxcom */#define PPP_SNS		0x0233	/* Sigma Network Systems */#define PPP_MPLS_UCAST  0x0281  /* rfc 3032 */#define PPP_MPLS_MCAST  0x0283  /* rfc 3022 */#define PPP_IPCP	0x8021	/* IP Control Protocol */#define PPP_OSICP	0x8023	/* OSI Network Layer Control Protocol */#define PPP_NSCP	0x8025	/* Xerox NS IDP Control Protocol */#define PPP_DECNETCP	0x8027	/* DECnet Control Protocol */#define PPP_APPLECP	0x8029	/* Appletalk Control Protocol */#define PPP_IPXCP	0x802b	/* Novell IPX Control Protocol */#define PPP_STIICP	0x8033	/* Strean Protocol Control Protocol */#define PPP_VINESCP	0x8035	/* Banyan Vines Control Protocol */#define PPP_IPV6CP	0x8057	/* IPv6 Control Protocol */#define PPP_CCP		0x80fd	/* Compress Control Protocol */#define PPP_MPLSCP      0x8281  /* rfc 3022 */#define PPP_LCP		0xc021	/* Link Control Protocol */#define PPP_PAP		0xc023	/* Password Authentication Protocol */#define PPP_LQM		0xc025	/* Link Quality Monitoring */#define PPP_SPAP        0xc027#define PPP_CHAP	0xc223	/* Challenge Handshake Authentication Protocol */#define PPP_BACP	0xc02b	/* Bandwidth Allocation Control Protocol */#define PPP_BAP		0xc02d	/* BAP */#define PPP_MPCP		0xc03d	/* Multi-Link */#define PPP_SPAP_OLD    0xc123#define PPP_EAP         0xc227extern struct tok ppptype2str[];