mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-10 09:42:26 +00:00
121 lines
3.1 KiB
C
121 lines
3.1 KiB
C
/*
|
|
* Copyright (c) 1993, 1994
|
|
* 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: llc.h,v 1.4 94/06/14 20:11:46 leres 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) >> 9) & 0x7f)
|
|
#define LLC_I_NS(is) (((is) >> 1) & 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
|