diff options
author | Marco Pfatschbacher <mpf@cvs.openbsd.org> | 2005-10-07 19:32:40 +0000 |
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committer | Marco Pfatschbacher <mpf@cvs.openbsd.org> | 2005-10-07 19:32:40 +0000 |
commit | 878a1b714bed97e2fbe4a5138688b12b4aef5002 (patch) | |
tree | deef92c2b80ada2977f83b5696d514da510ce1e5 /lib/libpcap/llc.h | |
parent | 21c771d743604e26ed14a67c0074ce012f3bc7bf (diff) |
Add Spanning Tree Protocol support.
Bump version to 3.1.
OK brad@
Diffstat (limited to 'lib/libpcap/llc.h')
-rw-r--r-- | lib/libpcap/llc.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/lib/libpcap/llc.h b/lib/libpcap/llc.h new file mode 100644 index 00000000000..0857fbb8528 --- /dev/null +++ b/lib/libpcap/llc.h @@ -0,0 +1,122 @@ +/* $OpenBSD: llc.h,v 1.1 2005/10/07 19:32:39 mpf Exp $ */ + +/* + * Copyright (c) 1993, 1994, 1997 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that: (1) source code distributions + * retain the above copyright notice and this paragraph in its entirety, (2) + * distributions including binary code include the above copyright notice and + * this paragraph in its entirety in the documentation or other materials + * provided with the distribution, and (3) all advertising materials mentioning + * features or use of this software display the following acknowledgement: + * ``This product includes software developed by the University of California, + * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of + * the University nor the names of its contributors may be used to endorse + * or promote products derived from this software without specific prior + * written permission. + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + * + * @(#) $Header: /cvs/OpenBSD/src/lib/libpcap/llc.h,v 1.1 2005/10/07 19:32:39 mpf Exp $ (LBL) + */ + +/* + * This stuff should come from a system header file, but there's no + * obviously portable way to do that and it's not really going + * to change from system to system. + */ + +/* + * A somewhat abstracted view of the LLC header + */ + +struct llc { + u_char dsap; + u_char ssap; + union { + u_char u_ctl; + u_short is_ctl; + struct { + u_char snap_ui; + u_char snap_pi[5]; + } snap; + struct { + u_char snap_ui; + u_char snap_orgcode[3]; + u_char snap_ethertype[2]; + } snap_ether; + } ctl; +}; + +#define llcui ctl.snap.snap_ui +#define llcpi ctl.snap.snap_pi +#define orgcode ctl.snap_ether.snap_orgcode +#define ethertype ctl.snap_ether.snap_ethertype +#define llcis ctl.is_ctl +#define llcu ctl.u_ctl + +#define LLC_U_FMT 3 +#define LLC_GSAP 1 +#define LLC_S_FMT 1 + +#define LLC_U_POLL 0x10 +#define LLC_IS_POLL 0x0001 +#define LLC_XID_FI 0x81 + +#define LLC_U_CMD(u) ((u) & 0xef) +#define LLC_UI 0x03 +#define LLC_UA 0x63 +#define LLC_DISC 0x43 +#define LLC_DM 0x0f +#define LLC_SABME 0x6f +#define LLC_TEST 0xe3 +#define LLC_XID 0xaf +#define LLC_FRMR 0x87 + +#define LLC_S_CMD(is) (((is) >> 10) & 0x03) +#define LLC_RR 0x0100 +#define LLC_RNR 0x0500 +#define LLC_REJ 0x0900 + +#define LLC_IS_NR(is) (((is) >> 1) & 0x7f) +#define LLC_I_NS(is) (((is) >> 9) & 0x7f) + +#ifndef LLCSAP_NULL +#define LLCSAP_NULL 0x00 +#endif +#ifndef LLCSAP_GLOBAL +#define LLCSAP_GLOBAL 0xff +#endif +#ifndef LLCSAP_8021B +#define LLCSAP_8021B_I 0x02 +#endif +#ifndef LLCSAP_8021B +#define LLCSAP_8021B_G 0x03 +#endif +#ifndef LLCSAP_IP +#define LLCSAP_IP 0x06 +#endif +#ifndef LLCSAP_PROWAYNM +#define LLCSAP_PROWAYNM 0x0e +#endif +#ifndef LLCSAP_8021D +#define LLCSAP_8021D 0x42 +#endif +#ifndef LLCSAP_RS511 +#define LLCSAP_RS511 0x4e +#endif +#ifndef LLCSAP_ISO8208 +#define LLCSAP_ISO8208 0x7e +#endif +#ifndef LLCSAP_PROWAY +#define LLCSAP_PROWAY 0x8e +#endif +#ifndef LLCSAP_SNAP +#define LLCSAP_SNAP 0xaa +#endif +#ifndef LLCSAP_ISONS +#define LLCSAP_ISONS 0xfe +#endif |