[apple/xnu.git] / bsd / net / if_llc.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * Copyright (c) 1988, 1993
 *	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 the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. 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 BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      @(#)if_llc.h	8.1 (Berkeley) 6/10/93
 */

#ifndef _NET_IF_LLC_H_
#define _NET_IF_LLC_H_
#include <sys/appleapiopts.h>

/*
 * 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 shortcomings 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;
		struct frmrinfo {
			u_char rej_pdu_0;
			u_char rej_pdu_1;
			u_char frmr_control;
			u_char frmr_control_ext;
			u_char frmr_cause;
		} frmrinfo;
	    } type_frmr;
	    struct {
		u_char control;
		u_char org_code[3];
		u_short ether_type;
	    } type_snap;
	    struct {
		u_char control;
		u_char control_ext;
	    } type_raw;
	} llc_un;
};
#define llc_control            llc_un.type_u.control
#define	llc_control_ext        llc_un.type_raw.control_ext
#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_frmrinfo           llc_un.type_frmr.frmrinfo
#define llc_frmr_pdu0          llc_un.type_frmr.frmrinfo.rej_pdu0
#define llc_frmr_pdu1          llc_un.type_frmr.frmrinfo.rej_pdu1
#define llc_frmr_control       llc_un.type_frmr.frmrinfo.frmr_control
#define llc_frmr_control_ext   llc_un.type_frmr.frmrinfo.frmr_control_ext
#define llc_frmr_cause         llc_un.type_frmr.frmrinfo.frmr_control_ext

/*
 * Don't use sizeof(struct llc_un) for LLC header sizes
 */
#define LLC_ISFRAMELEN 4
#define LLC_UFRAMELEN  3
#define LLC_FRMRLEN    7

/*
 * Unnumbered LLC format commands
 */
#define LLC_UI		0x3
#define LLC_UI_P	0x13
#define LLC_DISC	0x43
#define	LLC_DISC_P	0x53
#define LLC_UA		0x63
#define LLC_UA_P	0x73
#define LLC_TEST	0xe3
#define LLC_TEST_P	0xf3
#define LLC_FRMR	0x87
#define	LLC_FRMR_P	0x97
#define LLC_DM		0x0f
#define	LLC_DM_P	0x1f
#define LLC_XID		0xaf
#define LLC_XID_P	0xbf
#define LLC_SABME	0x6f
#define LLC_SABME_P	0x7f

/*
 * Supervisory LLC commands
 */
#define	LLC_RR		0x01
#define	LLC_RNR		0x05
#define	LLC_REJ		0x09

/*
 * Info format - dummy only
 */
#define	LLC_INFO	0x00

/*
 * ISO PDTR 10178 contains among others
 */
#define LLC_X25_LSAP	0x7e
#define LLC_SNAP_LSAP	0xaa
#define LLC_ISO_LSAP	0xfe

#endif
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
d7e50217	6	* Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
1c79356b	7	*
d7e50217 A	8	* This file contains Original Code and/or Modifications of Original Code
	9	* as defined in and that are subject to the Apple Public Source License
	10	* Version 2.0 (the 'License'). You may not use this file except in
	11	* compliance with the License. Please obtain a copy of the License at
	12	* http://www.opensource.apple.com/apsl/ and read it before using this
	13	* file.
	14	*
	15	* The Original Code and all software distributed under the License are
	16	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b A	17	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	18	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
d7e50217 A	19	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	20	* Please see the License for the specific language governing rights and
	21	* limitations under the License.
1c79356b A	22	*
	23	* @APPLE_LICENSE_HEADER_END@
	24	*/
	25	/*
	26	* Copyright (c) 1988, 1993
	27	* The Regents of the University of California. All rights reserved.
	28	*
	29	* Redistribution and use in source and binary forms, with or without
	30	* modification, are permitted provided that the following conditions
	31	* are met:
	32	* 1. Redistributions of source code must retain the above copyright
	33	* notice, this list of conditions and the following disclaimer.
	34	* 2. Redistributions in binary form must reproduce the above copyright
	35	* notice, this list of conditions and the following disclaimer in the
	36	* documentation and/or other materials provided with the distribution.
	37	* 3. All advertising materials mentioning features or use of this software
	38	* must display the following acknowledgement:
	39	* This product includes software developed by the University of
	40	* California, Berkeley and its contributors.
	41	* 4. Neither the name of the University nor the names of its contributors
	42	* may be used to endorse or promote products derived from this software
	43	* without specific prior written permission.
	44	*
	45	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	46	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	47	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	48	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	49	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	50	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	51	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	52	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	53	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	54	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	55	* SUCH DAMAGE.
	56	*
	57	* @(#)if_llc.h 8.1 (Berkeley) 6/10/93
	58	*/
	59
	60	#ifndef _NET_IF_LLC_H_
	61	#define _NET_IF_LLC_H_
9bccf70c	62	#include <sys/appleapiopts.h>
1c79356b A	63
	64	/*
	65	* IEEE 802.2 Link Level Control headers, for use in conjunction with
	66	* 802.{3,4,5} media access control methods.
	67	*
	68	* Headers here do not use bit fields due to shortcomings in many
	69	* compilers.
	70	*/
	71
	72	struct llc {
	73	u_char llc_dsap;
	74	u_char llc_ssap;
	75	union {
	76	struct {
	77	u_char control;
	78	u_char format_id;
	79	u_char class;
	80	u_char window_x2;
	81	} type_u;
	82	struct {
	83	u_char num_snd_x2;
	84	u_char num_rcv_x2;
	85	} type_i;
	86	struct {
	87	u_char control;
	88	u_char num_rcv_x2;
	89	} type_s;
	90	struct {
	91	u_char control;
	92	struct frmrinfo {
	93	u_char rej_pdu_0;
	94	u_char rej_pdu_1;
	95	u_char frmr_control;
	96	u_char frmr_control_ext;
	97	u_char frmr_cause;
	98	} frmrinfo;
	99	} type_frmr;
	100	struct {
	101	u_char control;
	102	u_char org_code[3];
	103	u_short ether_type;
	104	} type_snap;
	105	struct {
	106	u_char control;
	107	u_char control_ext;
	108	} type_raw;
	109	} llc_un;
	110	};
	111	#define llc_control llc_un.type_u.control
	112	#define llc_control_ext llc_un.type_raw.control_ext
	113	#define llc_fid llc_un.type_u.format_id
	114	#define llc_class llc_un.type_u.class
	115	#define llc_window llc_un.type_u.window_x2
	116	#define llc_frmrinfo llc_un.type_frmr.frmrinfo
	117	#define llc_frmr_pdu0 llc_un.type_frmr.frmrinfo.rej_pdu0
	118	#define llc_frmr_pdu1 llc_un.type_frmr.frmrinfo.rej_pdu1
	119	#define llc_frmr_control llc_un.type_frmr.frmrinfo.frmr_control
	120	#define llc_frmr_control_ext llc_un.type_frmr.frmrinfo.frmr_control_ext
	121	#define llc_frmr_cause llc_un.type_frmr.frmrinfo.frmr_control_ext
	122
	123	/*
	124	* Don't use sizeof(struct llc_un) for LLC header sizes
	125	*/
	126	#define LLC_ISFRAMELEN 4
127	#define LLC_UFRAMELEN 3
128	#define LLC_FRMRLEN 7
129
130	/*
131	* Unnumbered LLC format commands
132	*/
133	#define LLC_UI 0x3
134	#define LLC_UI_P 0x13
135	#define LLC_DISC 0x43
136	#define LLC_DISC_P 0x53
137	#define LLC_UA 0x63
138	#define LLC_UA_P 0x73
139	#define LLC_TEST 0xe3
140	#define LLC_TEST_P 0xf3
141	#define LLC_FRMR 0x87
142	#define LLC_FRMR_P 0x97
143	#define LLC_DM 0x0f
144	#define LLC_DM_P 0x1f
145	#define LLC_XID 0xaf
146	#define LLC_XID_P 0xbf
147	#define LLC_SABME 0x6f
148	#define LLC_SABME_P 0x7f
149
150	/*
151	* Supervisory LLC commands
152	*/
153	#define LLC_RR 0x01
154	#define LLC_RNR 0x05
155	#define LLC_REJ 0x09
156
157	/*
158	* Info format - dummy only
159	*/
160	#define LLC_INFO 0x00
161
162	/*
163	* ISO PDTR 10178 contains among others
164	*/
165	#define LLC_X25_LSAP 0x7e
166	#define LLC_SNAP_LSAP 0xaa
167	#define LLC_ISO_LSAP 0xfe
168
169	#endif