source: rtems-libbsd/freebsd/contrib/libpcap/llc.h @ 97c5f8e8

/*
 * 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.
 */

/*
 * Definitions for information in the LLC header.
 */

#define LLC_U_FMT       3
#define LLC_GSAP        1
#define LLC_IG          1 /* Individual / Group */
#define LLC_S_FMT       1

#define LLC_U_POLL      0x10
#define LLC_IS_POLL     0x0100
#define LLC_XID_FI      0x81

#define LLC_U_CMD_MASK  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_MASK  0x0f
#define LLC_RR          0x0001
#define LLC_RNR         0x0005
#define LLC_REJ         0x0009

#define LLC_IS_NR(is)   (((is) >> 9) & 0x7f)
#define LLC_I_NS(is)    (((is) >> 1) & 0x7f)

/*
 * 802.2 LLC SAP values.
 */

#ifndef LLCSAP_NULL
#define LLCSAP_NULL             0x00
#endif
#ifndef LLCSAP_GLOBAL
#define LLCSAP_GLOBAL           0xff
#endif
#ifndef LLCSAP_8021B_I
#define LLCSAP_8021B_I          0x02
#endif
#ifndef LLCSAP_8021B_G
#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_IPX
#define LLCSAP_IPX              0xe0
#endif
#ifndef LLCSAP_NETBEUI
#define LLCSAP_NETBEUI          0xf0
#endif
#ifndef LLCSAP_ISONS
#define LLCSAP_ISONS            0xfe
#endif