Annotation of embedaddon/iftop/llc.h, revision 1.1.1.1
1.1 misho 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: * @(#) $Header: /home/pdw/vcvs/repos/iftop/llc.h,v 1.2 2003/06/06 22:42:35 pdw Exp $ (LBL)
22: */
23:
24: /*
25: * This stuff should come from a system header file, but there's no
26: * obviously portable way to do that and it's not really going
27: * to change from system to system.
28: */
29:
30: /*
31: * A somewhat abstracted view of the LLC header
32: */
33:
34: struct llc {
35: u_int8_t dsap;
36: u_int8_t ssap;
37: union {
38: u_int8_t u_ctl;
39: u_int16_t is_ctl;
40: struct {
41: u_int8_t snap_ui;
42: u_int8_t snap_pi[5];
43: } snap;
44: struct {
45: u_int8_t snap_ui;
46: u_int8_t snap_orgcode[3];
47: u_int8_t snap_ethertype[2];
48: } snap_ether;
49: } ctl;
50: };
51:
52: #define llcui ctl.snap.snap_ui
53: #define llcpi ctl.snap.snap_pi
54: #define llc_orgcode ctl.snap_ether.snap_orgcode
55: #define llc_ethertype ctl.snap_ether.snap_ethertype
56: #define llcis ctl.is_ctl
57: #define llcu ctl.u_ctl
58:
59: #define LLC_U_FMT 3
60: #define LLC_GSAP 1
61: #define LLC_S_FMT 1
62:
63: #define LLC_U_POLL 0x10
64: #define LLC_IS_POLL 0x0100
65: #define LLC_XID_FI 0x81
66:
67: #define LLC_U_CMD(u) ((u) & 0xef)
68: #define LLC_UI 0x03
69: #define LLC_UA 0x63
70: #define LLC_DISC 0x43
71: #define LLC_DM 0x0f
72: #define LLC_SABME 0x6f
73: #define LLC_TEST 0xe3
74: #define LLC_XID 0xaf
75: #define LLC_FRMR 0x87
76:
77: #define LLC_S_CMD(is) (((is) >> 1) & 0x03)
78: #define LLC_RR 0x0001
79: #define LLC_RNR 0x0005
80: #define LLC_REJ 0x0009
81:
82: #define LLC_IS_NR(is) (((is) >> 9) & 0x7f)
83: #define LLC_I_NS(is) (((is) >> 1) & 0x7f)
84:
85: #ifndef LLCSAP_NULL
86: #define LLCSAP_NULL 0x00
87: #endif
88: #ifndef LLCSAP_GLOBAL
89: #define LLCSAP_GLOBAL 0xff
90: #endif
91: #ifndef LLCSAP_8021B_I
92: #define LLCSAP_8021B_I 0x02
93: #endif
94: #ifndef LLCSAP_8021B_G
95: #define LLCSAP_8021B_G 0x03
96: #endif
97: #ifndef LLCSAP_IP
98: #define LLCSAP_IP 0x06
99: #endif
100: #ifndef LLCSAP_PROWAYNM
101: #define LLCSAP_PROWAYNM 0x0e
102: #endif
103: #ifndef LLCSAP_8021D
104: #define LLCSAP_8021D 0x42
105: #endif
106: #ifndef LLCSAP_RS511
107: #define LLCSAP_RS511 0x4e
108: #endif
109: #ifndef LLCSAP_ISO8208
110: #define LLCSAP_ISO8208 0x7e
111: #endif
112: #ifndef LLCSAP_PROWAY
113: #define LLCSAP_PROWAY 0x8e
114: #endif
115: #ifndef LLCSAP_SNAP
116: #define LLCSAP_SNAP 0xaa
117: #endif
118: #ifndef LLCSAP_IPX
119: #define LLCSAP_IPX 0xe0
120: #endif
121: #ifndef LLCSAP_NETBEUI
122: #define LLCSAP_NETBEUI 0xf0
123: #endif
124: #ifndef LLCSAP_ISONS
125: #define LLCSAP_ISONS 0xfe
126: #endif
127:
128: #define OUI_ENCAP_ETHER 0x000000 /* encapsulated Ethernet */
129: #define OUI_CISCO 0x00000c /* Cisco protocols */
130: #define ETHERTYPE_CISCO_CDP 0x2000 /* Cisco Discovery Protocol */
131: #define OUI_CISCO_90 0x0000f8 /* Cisco bridging */
132: #define OUI_APPLETALK 0x080007 /* Appletalk */
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>