2 * Copyright (c) 1993, 1994, 1997
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that: (1) source code distributions
7 * retain the above copyright notice and this paragraph in its entirety, (2)
8 * distributions including binary code include the above copyright notice and
9 * this paragraph in its entirety in the documentation or other materials
10 * provided with the distribution, and (3) all advertising materials mentioning
11 * features or use of this software display the following acknowledgement:
12 * ``This product includes software developed by the University of California,
13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14 * the University nor the names of its contributors may be used to endorse
15 * or promote products derived from this software without specific prior
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
21 * @(#) $Header: /tcpdump/master/tcpdump/llc.h,v 1.17.2.4 2007/02/08 07:07:51 guy Exp $ (LBL)
25 * Definitions for information in the LLC header.
30 #define LLC_IG 1 /* Individual / Group */
33 #define LLC_U_POLL 0x10
34 #define LLC_IS_POLL 0x0100
35 #define LLC_XID_FI 0x81
37 #define LLC_U_CMD(u) ((u) & 0xef)
42 #define LLC_SABME 0x6f
47 #define LLC_S_CMD(is) (((is) >> 2) & 0x03)
49 #define LLC_RNR 0x0005
50 #define LLC_REJ 0x0009
52 #define LLC_IS_NR(is) (((is) >> 9) & 0x7f)
53 #define LLC_I_NS(is) (((is) >> 1) & 0x7f)
56 #define LLCSAP_NULL 0x00
59 #define LLCSAP_GLOBAL 0xff
61 #ifndef LLCSAP_8021B_I
62 #define LLCSAP_8021B_I 0x02
64 #ifndef LLCSAP_8021B_G
65 #define LLCSAP_8021B_G 0x03
68 #define LLCSAP_SNA 0x04
71 #define LLCSAP_IP 0x06
73 #ifndef LLCSAP_PROWAYNM
74 #define LLCSAP_PROWAYNM 0x0e
77 #define LLCSAP_8021D 0x42
80 #define LLCSAP_RS511 0x4e
82 #ifndef LLCSAP_ISO8208
83 #define LLCSAP_ISO8208 0x7e
86 #define LLCSAP_PROWAY 0x8e
89 #define LLCSAP_SNAP 0xaa
92 #define LLCSAP_IPX 0xe0
94 #ifndef LLCSAP_NETBEUI
95 #define LLCSAP_NETBEUI 0xf0
98 #define LLCSAP_ISONS 0xfe
102 * PIDs for use with OUI_CISCO.
104 #define PID_CISCO_CDP 0x2000 /* Cisco Discovery Protocol */
105 #define PID_CISCO_VTP 0x2003 /* Cisco VLAN Trunk Protocol */
106 #define PID_CISCO_DTP 0x2004 /* Cisco Dynamic Trunk Protocol */
109 * PIDs for use with OUI_RFC2684.
111 #define PID_RFC2684_ETH_FCS 0x0001 /* Ethernet, with FCS */
112 #define PID_RFC2684_ETH_NOFCS 0x0007 /* Ethernet, without FCS */
113 #define PID_RFC2684_802_4_FCS 0x0002 /* 802.4, with FCS */
114 #define PID_RFC2684_802_4_NOFCS 0x0008 /* 802.4, without FCS */
115 #define PID_RFC2684_802_5_FCS 0x0003 /* 802.5, with FCS */
116 #define PID_RFC2684_802_5_NOFCS 0x0009 /* 802.5, without FCS */
117 #define PID_RFC2684_FDDI_FCS 0x0004 /* FDDI, with FCS */
118 #define PID_RFC2684_FDDI_NOFCS 0x000a /* FDDI, without FCS */
119 #define PID_RFC2684_802_6_FCS 0x0005 /* 802.6, with FCS */
120 #define PID_RFC2684_802_6_NOFCS 0x000b /* 802.6, without FCS */
121 #define PID_RFC2684_BPDU 0x000e /* BPDUs */