/*
 * @DEC_COPYRIGHT@
 */
/*
 * HISTORY
 * $Log:	if_llc.h,v $
 * Revision 4.2  91/09/19  22:44:59  devbld
 * Adding ODE Headers
 * 
 * $EndLog$
 */
/*	
 *	@(#)$RCSfile: if_llc.h,v $ $Revision: 4.2 $ (DEC) $Date: 91/09/19 22:44:59 $
 */ 
/*
 */
/*
 * (c) Copyright 1990, OPEN SOFTWARE FOUNDATION, INC.
 * ALL RIGHTS RESERVED
 */
/*
 * OSF/1 Release 1.0
 */
/*
 * Copyright (c) 1988 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted provided
 * that: (1) source distributions retain this entire copyright notice and
 * comment, and (2) distributions including binaries display the following
 * acknowledgement:  ``This product includes software developed by the
 * University of California, Berkeley and its contributors'' in the
 * documentation or other materials provided with the distribution and in
 * all advertising materials mentioning features or use of this software.
 * 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.
 *
 *	Base:	if_llc.h	7.1 (Berkeley) 9/4/89
 *	Merged:	if_llc.h	7.2 (Berkeley) 6/28/90
 */

/*
 * IEEE 802.2 Link Level Control headers, for use in conjunction with
 * 802.{3,4,5} media access control methods.
 *
 * Headers here do not use bit fields due to shortcommings in many
 * compilers.
 */

struct llc {
	u_char	llc_dsap;
	u_char	llc_ssap;
	union {
	    struct {
		u_char control;
		u_char format_id;
		u_char class;
		u_char window_x2;
	    } type_u;
	    struct {
		u_char num_snd_x2;
		u_char num_rcv_x2;
	    } type_i;
	    struct {
		u_char control;
		u_char num_rcv_x2;
	    } type_s;
	    struct {
		u_char control;
		u_char org_code[3];
		u_short ether_type;
	    } type_snap;
	} llc_un;
};
#define llc_control llc_un.type_u.control
#define llc_fid llc_un.type_u.format_id
#define llc_class llc_un.type_u.class
#define llc_window llc_un.type_u.window_x2

#define llc_snap llc_un.type_snap

#define LLC_UI		0x3
#define LLC_UI_P	0x13
#define LLC_XID		0xaf
#define LLC_XID_P	0xbf
#define LLC_TEST	0xe3
#define LLC_TEST_P	0xf3

#define LLC_ISO_LSAP	0xfe
#define LLC_SNAP_LSAP	0xaa
