1/*
2 * Copyright (c) 1993, 1994, 1997
3 *	The Regents of the University of California.  All rights reserved.
4 *
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
16 * written permission.
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.
20 */
21
22/*
23 * Definitions for information in the LLC header.
24 */
25
26#define	LLC_U_FMT	3
27#define	LLC_GSAP	1
28#define	LLC_IG	        1 /* Individual / Group */
29#define LLC_S_FMT	1
30
31#define	LLC_U_POLL	0x10
32#define	LLC_IS_POLL	0x0100
33#define	LLC_XID_FI	0x81
34
35#define	LLC_U_CMD(u)	((u) & 0xef)
36#define	LLC_UI		0x03
37#define	LLC_UA		0x63
38#define	LLC_DISC	0x43
39#define	LLC_DM		0x0f
40#define	LLC_SABME	0x6f
41#define	LLC_TEST	0xe3
42#define	LLC_XID		0xaf
43#define	LLC_FRMR	0x87
44
45#define	LLC_S_CMD(is)	(((is) >> 2) & 0x03)
46#define	LLC_RR		0x0001
47#define	LLC_RNR		0x0005
48#define	LLC_REJ		0x0009
49
50#define LLC_IS_NR(is)	(((is) >> 9) & 0x7f)
51#define LLC_I_NS(is)	(((is) >> 1) & 0x7f)
52
53#ifndef LLCSAP_NULL
54#define	LLCSAP_NULL		0x00
55#endif
56#ifndef LLCSAP_GLOBAL
57#define	LLCSAP_GLOBAL		0xff
58#endif
59#ifndef LLCSAP_8021B_I
60#define	LLCSAP_8021B_I		0x02
61#endif
62#ifndef LLCSAP_8021B_G
63#define	LLCSAP_8021B_G		0x03
64#endif
65#ifndef LLCSAP_SNA
66#define	LLCSAP_SNA		0x04
67#endif
68#ifndef LLCSAP_IP
69#define	LLCSAP_IP		0x06
70#endif
71#ifndef LLCSAP_PROWAYNM
72#define	LLCSAP_PROWAYNM		0x0e
73#endif
74#ifndef LLCSAP_8021D
75#define	LLCSAP_8021D		0x42
76#endif
77#ifndef LLCSAP_RS511
78#define	LLCSAP_RS511		0x4e
79#endif
80#ifndef LLCSAP_ISO8208
81#define	LLCSAP_ISO8208		0x7e
82#endif
83#ifndef LLCSAP_PROWAY
84#define	LLCSAP_PROWAY		0x8e
85#endif
86#ifndef LLCSAP_SNAP
87#define	LLCSAP_SNAP		0xaa
88#endif
89#ifndef LLCSAP_IPX
90#define LLCSAP_IPX		0xe0
91#endif
92#ifndef LLCSAP_NETBEUI
93#define LLCSAP_NETBEUI		0xf0
94#endif
95#ifndef LLCSAP_ISONS
96#define	LLCSAP_ISONS		0xfe
97#endif
98
99/*
100 * PIDs for use with OUI_CISCO.
101 */
102#define	PID_CISCO_CDP		0x2000	/* Cisco Discovery Protocol */
103#define	PID_CISCO_VTP		0x2003	/* Cisco VLAN Trunk Protocol */
104#define	PID_CISCO_DTP		0x2004	/* Cisco Dynamic Trunk Protocol */
105#define	PID_CISCO_UDLD		0x0111	/* Unidirectional Link Detection */
106#define	PID_CISCO_PVST		0x010b	/* Per VLAN Spanning Tree+ and RPVST+ */
107#define	PID_CISCO_VLANBRIDGE	0x010c	/* "VLAN Bridge", according to Wireshark */
108
109/*
110 * PIDs for use with OUI_RFC2684.
111 */
112#define PID_RFC2684_ETH_FCS	0x0001	/* Ethernet, with FCS */
113#define PID_RFC2684_ETH_NOFCS	0x0007	/* Ethernet, without FCS */
114#define PID_RFC2684_802_4_FCS	0x0002	/* 802.4, with FCS */
115#define PID_RFC2684_802_4_NOFCS	0x0008	/* 802.4, without FCS */
116#define PID_RFC2684_802_5_FCS	0x0003	/* 802.5, with FCS */
117#define PID_RFC2684_802_5_NOFCS	0x0009	/* 802.5, without FCS */
118#define PID_RFC2684_FDDI_FCS	0x0004	/* FDDI, with FCS */
119#define PID_RFC2684_FDDI_NOFCS	0x000a	/* FDDI, without FCS */
120#define PID_RFC2684_802_6_FCS	0x0005	/* 802.6, with FCS */
121#define PID_RFC2684_802_6_NOFCS	0x000b	/* 802.6, without FCS */
122#define PID_RFC2684_BPDU	0x000e	/* BPDUs */
123