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	1	/*
	2	* Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
	7	*
	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
	17	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	18	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	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.
	22	*
	23	* @APPLE_LICENSE_HEADER_END@
	24	*/
	25	/*
	26	* Copyright 1998 Massachusetts Institute of Technology
	27	*
	28	* Permission to use, copy, modify, and distribute this software and
	29	* its documentation for any purpose and without fee is hereby
	30	* granted, provided that both the above copyright notice and this
	31	* permission notice appear in all copies, that both the above
	32	* copyright notice and this permission notice appear in all
	33	* supporting documentation, and that the name of M.I.T. not be used
	34	* in advertising or publicity pertaining to distribution of the
	35	* software without specific, written prior permission. M.I.T. makes
	36	* no representations about the suitability of this software for any
	37	* purpose. It is provided "as is" without express or implied
	38	* warranty.
	39	*
	40	* THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
	41	* ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
	42	* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
	43	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
	44	* SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	45	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	46	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
	47	* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
	48	* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
	49	* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
	50	* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	51	* SUCH DAMAGE.
	52	*
	53	* $FreeBSD: src/sys/net/if_vlan_var.h,v 1.16 2003/07/08 21:54:20 wpaul Exp $
	54	*/
	55
	56	#ifndef _NET_IF_VLAN_VAR_H_
	57	#define _NET_IF_VLAN_VAR_H_ 1
	58
	59	struct ether_vlan_header {
	60	u_char evl_dhost[ETHER_ADDR_LEN];
	61	u_char evl_shost[ETHER_ADDR_LEN];
	62	u_int16_t evl_encap_proto;
	63	u_int16_t evl_tag;
	64	u_int16_t evl_proto;
	65	};
	66
	67	#define EVL_VLID_MASK 0x0FFF
	68	#define EVL_VLANOFTAG(tag) ((tag) & EVL_VLID_MASK)
	69	#define EVL_PRIOFTAG(tag) (((tag) >> 13) & 7)
	70
	71	#if 0
	72	/* sysctl(3) tags, for compatibility purposes */
	73	#define VLANCTL_PROTO 1
	74	#define VLANCTL_MAX 2
	75	#endif 0
	76
	77	/*
	78	* Configuration structure for SIOCSETVLAN and SIOCGETVLAN ioctls.
	79	*/
	80	struct vlanreq {
	81	char vlr_parent[IFNAMSIZ];
	82	u_short vlr_tag;
	83	};
	84
	85	#endif /* _NET_IF_VLAN_VAR_H_ */