/*
 * 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 1.5.2.3 2001/12/04 20:01:54 brooks Exp $
 * $DragonFly: src/sys/net/vlan/if_vlan_var.h,v 1.4 2008/03/10 10:47:57 sephe Exp $
 */

#ifndef _NET_IF_VLAN_VAR_H_
#define _NET_IF_VLAN_VAR_H_

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_VLANOFTAG(tag) ((tag) & 4095)
#define EVL_PRIOFTAG(tag) (((tag) >> 13) & 7)
#define EVL_ENCAPLEN    4       /* length in octets of encapsulation */

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

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

#endif /* _NET_IF_VLAN_VAR_H_ */