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

/*
 * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 * 
 * 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. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * 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_OSREFERENCE_LICENSE_HEADER_END@
 */
/*
 * Copyright 1998 Massachusetts Institute of Technology
 *
 * Permission to use, copy, modify, and distribute this software and
 * its documentation for any purpose and without fee is hereby
 * granted, provided that both the above copyright notice and this
 * permission notice appear in all copies, that both the above
 * copyright notice and this permission notice appear in all
 * supporting documentation, and that the name of M.I.T. not be used
 * in advertising or publicity pertaining to distribution of the
 * software without specific, written prior permission.  M.I.T. makes
 * no representations about the suitability of this software for any
 * purpose.  It is provided "as is" without express or implied
 * warranty.
 * 
 * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''.  M.I.T. DISCLAIMS
 * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
 * SHALL M.I.T. 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.
 *
 * $FreeBSD: src/sys/net/if_vlan_var.h,v 1.16 2003/07/08 21:54:20 wpaul Exp $
 */

#ifndef _NET_IF_VLAN_VAR_H_
#define	_NET_IF_VLAN_VAR_H_	1

#define	ETHER_VLAN_ENCAP_LEN	4	/* len of 802.1Q VLAN encapsulation */
struct	ether_vlan_header {
	u_char	evl_dhost[ETHER_ADDR_LEN];
	u_char	evl_shost[ETHER_ADDR_LEN];
	u_int16_t evl_encap_proto;
	u_int16_t evl_tag;
	u_int16_t evl_proto;
};

#define EVL_VLID_MASK	0x0FFF
#define	EVL_VLANOFTAG(tag) ((tag) & EVL_VLID_MASK)
#define	EVL_PRIOFTAG(tag) (((tag) >> 13) & 7)

#if 0
/* sysctl(3) tags, for compatibility purposes */
#define	VLANCTL_PROTO	1
#define	VLANCTL_MAX	2
#endif 0

/*
 * Configuration structure for SIOCSETVLAN and SIOCGETVLAN ioctls.
 */
struct	vlanreq {
	char	vlr_parent[IFNAMSIZ];
	u_short	vlr_tag;
};

#ifdef KERNEL_PRIVATE
int vlan_family_init(void);
#endif KERNEL_PRIVATE
#endif /* _NET_IF_VLAN_VAR_H_ */
Commit	Line	Data
1c79356b	1	/*
5d5c5d0d A	2	* Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
5d5c5d0d A	3	*
8f6c56a5	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b	5	*
8f6c56a5 A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
	14	*
	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
8ad349bb	24	* limitations under the License.
8f6c56a5 A	25	*
8f6c56a5 A	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b A	27	*/
	28	/*
	29	* Copyright 1998 Massachusetts Institute of Technology
	30	*
	31	* Permission to use, copy, modify, and distribute this software and
	32	* its documentation for any purpose and without fee is hereby
	33	* granted, provided that both the above copyright notice and this
	34	* permission notice appear in all copies, that both the above
	35	* copyright notice and this permission notice appear in all
	36	* supporting documentation, and that the name of M.I.T. not be used
	37	* in advertising or publicity pertaining to distribution of the
	38	* software without specific, written prior permission. M.I.T. makes
	39	* no representations about the suitability of this software for any
	40	* purpose. It is provided "as is" without express or implied
	41	* warranty.
	42	*
	43	* THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
	44	* ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
	45	* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
	46	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
	47	* SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	48	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	49	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
	50	* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
	51	* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
	52	* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
	53	* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	54	* SUCH DAMAGE.
	55	*
4a249263	56	* $FreeBSD: src/sys/net/if_vlan_var.h,v 1.16 2003/07/08 21:54:20 wpaul Exp $
1c79356b A	57	*/
	58
	59	#ifndef _NET_IF_VLAN_VAR_H_
	60	#define _NET_IF_VLAN_VAR_H_ 1
1c79356b	61
91447636	62	#define ETHER_VLAN_ENCAP_LEN 4 /* len of 802.1Q VLAN encapsulation */
1c79356b A	63	struct ether_vlan_header {
	64	u_char evl_dhost[ETHER_ADDR_LEN];
	65	u_char evl_shost[ETHER_ADDR_LEN];
	66	u_int16_t evl_encap_proto;
	67	u_int16_t evl_tag;
	68	u_int16_t evl_proto;
	69	};
	70
4a249263 A	71	#define EVL_VLID_MASK 0x0FFF
4a249263 A	72	#define EVL_VLANOFTAG(tag) ((tag) & EVL_VLID_MASK)
1c79356b	73	#define EVL_PRIOFTAG(tag) (((tag) >> 13) & 7)
1c79356b	74
4a249263	75	#if 0
1c79356b A	76	/* sysctl(3) tags, for compatibility purposes */
	77	#define VLANCTL_PROTO 1
	78	#define VLANCTL_MAX 2
4a249263	79	#endif 0
1c79356b A	80
	81	/*
	82	* Configuration structure for SIOCSETVLAN and SIOCGETVLAN ioctls.
	83	*/
	84	struct vlanreq {
	85	char vlr_parent[IFNAMSIZ];
	86	u_short vlr_tag;
	87	};
1c79356b	88
91447636 A	89	#ifdef KERNEL_PRIVATE
	90	int vlan_family_init(void);
	91	#endif KERNEL_PRIVATE
1c79356b	92	#endif /* _NET_IF_VLAN_VAR_H_ */