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if_vlanvar.h revision 1.7 
      1 /*	$NetBSD: if_vlanvar.h,v 1.7 2007/12/25 18:33:46 perry Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Andrew Doran.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*
     40  * Copyright 1998 Massachusetts Institute of Technology
     41  *
     42  * Permission to use, copy, modify, and distribute this software and
     43  * its documentation for any purpose and without fee is hereby
     44  * granted, provided that both the above copyright notice and this
     45  * permission notice appear in all copies, that both the above
     46  * copyright notice and this permission notice appear in all
     47  * supporting documentation, and that the name of M.I.T. not be used
     48  * in advertising or publicity pertaining to distribution of the
     49  * software without specific, written prior permission.  M.I.T. makes
     50  * no representations about the suitability of this software for any
     51  * purpose.  It is provided "as is" without express or implied
     52  * warranty.
     53  *
     54  * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''.  M.I.T. DISCLAIMS
     55  * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
     56  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     57  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
     58  * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     59  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     60  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
     61  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     62  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     63  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
     64  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     65  * SUCH DAMAGE.
     66  *
     67  * from FreeBSD: if_vlan_var.h,v 1.3 1999/08/28 00:48:24 peter Exp
     68  */
     69 
     70 #ifndef _NET_IF_VLANVAR_H_
     71 #define	_NET_IF_VLANVAR_H_
     72 
     73 struct ether_vlan_header {
     74 	u_int8_t	evl_dhost[ETHER_ADDR_LEN];
     75 	u_int8_t	evl_shost[ETHER_ADDR_LEN];
     76 	u_int16_t	evl_encap_proto;
     77 	u_int16_t	evl_tag;
     78 	u_int16_t	evl_proto;
     79 } __packed;
     80 
     81 #define	EVL_VLANOFTAG(tag)	((tag) & 4095)
     82 #define	EVL_PRIOFTAG(tag)	(((tag) >> 13) & 7)
     83 
     84 /* Configuration structure for SIOCSETVLAN and SIOCGETVLAN ioctls. */
     85 struct vlanreq {
     86 	char	vlr_parent[IFNAMSIZ];
     87 	u_short	vlr_tag;
     88 };
     89 
     90 #define	SIOCSETVLAN	SIOCSIFGENERIC
     91 #define	SIOCGETVLAN	SIOCGIFGENERIC
     92 
     93 #ifdef _KERNEL
     94 void	vlan_input(struct ifnet *, struct mbuf *);
     95 void	vlan_ifdetach(struct ifnet *);
     96 #endif	/* _KERNEL */
     97 
     98 #endif	/* !_NET_IF_VLANVAR_H_ */
     99