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      1 /* @(#) $Header: /tcpdump/master/tcpdump/ppp.h,v 1.16 2004/10/20 16:14:16 hannes Exp $ (LBL) */
      2 /*
      3  * Point to Point Protocol (PPP) RFC1331
      4  *
      5  * Copyright 1989 by Carnegie Mellon.
      6  *
      7  * Permission to use, copy, modify, and distribute this program for any
      8  * purpose and without fee is hereby granted, provided that this copyright
      9  * and permission notice appear on all copies and supporting documentation,
     10  * the name of Carnegie Mellon not be used in advertising or publicity
     11  * pertaining to distribution of the program without specific prior
     12  * permission, and notice be given in supporting documentation that copying
     13  * and distribution is by permission of Carnegie Mellon and Stanford
     14  * University.  Carnegie Mellon makes no representations about the
     15  * suitability of this software for any purpose.  It is provided "as is"
     16  * without express or implied warranty.
     17  */
     18 #define PPP_HDRLEN	4	/* length of PPP header */
     19 
     20 #define PPP_ADDRESS	0xff	/* The address byte value */
     21 #define PPP_CONTROL	0x03	/* The control byte value */
     22 
     23 #define PPP_WITHDIRECTION_IN  0x00 /* non-standard for DLT_PPP_WITHDIRECTION */
     24 #define PPP_WITHDIRECTION_OUT 0x01 /* non-standard for DLT_PPP_WITHDIRECTION */
     25 
     26 /* Protocol numbers */
     27 #define PPP_IP		0x0021	/* Raw IP */
     28 #define PPP_OSI		0x0023	/* OSI Network Layer */
     29 #define PPP_NS		0x0025	/* Xerox NS IDP */
     30 #define PPP_DECNET	0x0027	/* DECnet Phase IV */
     31 #define PPP_APPLE	0x0029	/* Appletalk */
     32 #define PPP_IPX		0x002b	/* Novell IPX */
     33 #define PPP_VJC		0x002d	/* Van Jacobson Compressed TCP/IP */
     34 #define PPP_VJNC	0x002f	/* Van Jacobson Uncompressed TCP/IP */
     35 #define PPP_BRPDU	0x0031	/* Bridging PDU */
     36 #define PPP_STII	0x0033	/* Stream Protocol (ST-II) */
     37 #define PPP_VINES	0x0035	/* Banyan Vines */
     38 #define PPP_ML          0x003d  /* Multi-Link PPP */
     39 #define PPP_IPV6	0x0057	/* IPv6 */
     40 #define	PPP_COMP	0x00fd	/* Compressed Datagram */
     41 
     42 #define PPP_HELLO	0x0201	/* 802.1d Hello Packets */
     43 #define PPP_LUXCOM	0x0231	/* Luxcom */
     44 #define PPP_SNS		0x0233	/* Sigma Network Systems */
     45 #define PPP_MPLS_UCAST  0x0281  /* rfc 3032 */
     46 #define PPP_MPLS_MCAST  0x0283  /* rfc 3022 */
     47 
     48 #define PPP_IPCP	0x8021	/* IP Control Protocol */
     49 #define PPP_OSICP	0x8023	/* OSI Network Layer Control Protocol */
     50 #define PPP_NSCP	0x8025	/* Xerox NS IDP Control Protocol */
     51 #define PPP_DECNETCP	0x8027	/* DECnet Control Protocol */
     52 #define PPP_APPLECP	0x8029	/* Appletalk Control Protocol */
     53 #define PPP_IPXCP	0x802b	/* Novell IPX Control Protocol */
     54 #define PPP_STIICP	0x8033	/* Strean Protocol Control Protocol */
     55 #define PPP_VINESCP	0x8035	/* Banyan Vines Control Protocol */
     56 #define PPP_IPV6CP	0x8057	/* IPv6 Control Protocol */
     57 #define PPP_CCP		0x80fd	/* Compress Control Protocol */
     58 #define PPP_MPLSCP      0x8281  /* rfc 3022 */
     59 
     60 #define PPP_LCP		0xc021	/* Link Control Protocol */
     61 #define PPP_PAP		0xc023	/* Password Authentication Protocol */
     62 #define PPP_LQM		0xc025	/* Link Quality Monitoring */
     63 #define PPP_SPAP        0xc027
     64 #define PPP_CHAP	0xc223	/* Challenge Handshake Authentication Protocol */
     65 #define PPP_BACP	0xc02b	/* Bandwidth Allocation Control Protocol */
     66 #define PPP_BAP		0xc02d	/* BAP */
     67 #define PPP_MPCP		0xc03d	/* Multi-Link */
     68 #define PPP_SPAP_OLD    0xc123
     69 #define PPP_EAP         0xc227
     70 
     71 extern struct tok ppptype2str[];
     72