xref: /dflybsd-src/sys/net/vlan/if_vlan_var.h (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
186d7f5d3SJohn Marino /*
286d7f5d3SJohn Marino  * Copyright 1998 Massachusetts Institute of Technology
386d7f5d3SJohn Marino  *
486d7f5d3SJohn Marino  * Permission to use, copy, modify, and distribute this software and
586d7f5d3SJohn Marino  * its documentation for any purpose and without fee is hereby
686d7f5d3SJohn Marino  * granted, provided that both the above copyright notice and this
786d7f5d3SJohn Marino  * permission notice appear in all copies, that both the above
886d7f5d3SJohn Marino  * copyright notice and this permission notice appear in all
986d7f5d3SJohn Marino  * supporting documentation, and that the name of M.I.T. not be used
1086d7f5d3SJohn Marino  * in advertising or publicity pertaining to distribution of the
1186d7f5d3SJohn Marino  * software without specific, written prior permission.  M.I.T. makes
1286d7f5d3SJohn Marino  * no representations about the suitability of this software for any
1386d7f5d3SJohn Marino  * purpose.  It is provided "as is" without express or implied
1486d7f5d3SJohn Marino  * warranty.
1586d7f5d3SJohn Marino  *
1686d7f5d3SJohn Marino  * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''.  M.I.T. DISCLAIMS
1786d7f5d3SJohn Marino  * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
1886d7f5d3SJohn Marino  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
1986d7f5d3SJohn Marino  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
2086d7f5d3SJohn Marino  * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
2186d7f5d3SJohn Marino  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
2286d7f5d3SJohn Marino  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
2386d7f5d3SJohn Marino  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
2486d7f5d3SJohn Marino  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
2586d7f5d3SJohn Marino  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
2686d7f5d3SJohn Marino  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
2786d7f5d3SJohn Marino  * SUCH DAMAGE.
2886d7f5d3SJohn Marino  *
2986d7f5d3SJohn Marino  * $FreeBSD: src/sys/net/if_vlan_var.h,v 1.5.2.3 2001/12/04 20:01:54 brooks Exp $
3086d7f5d3SJohn Marino  * $DragonFly: src/sys/net/vlan/if_vlan_var.h,v 1.4 2008/03/10 10:47:57 sephe Exp $
3186d7f5d3SJohn Marino  */
3286d7f5d3SJohn Marino 
3386d7f5d3SJohn Marino #ifndef _NET_IF_VLAN_VAR_H_
3486d7f5d3SJohn Marino #define	_NET_IF_VLAN_VAR_H_
3586d7f5d3SJohn Marino 
3686d7f5d3SJohn Marino struct	ether_vlan_header {
3786d7f5d3SJohn Marino 	u_char	evl_dhost[ETHER_ADDR_LEN];
3886d7f5d3SJohn Marino 	u_char	evl_shost[ETHER_ADDR_LEN];
3986d7f5d3SJohn Marino 	u_int16_t evl_encap_proto;
4086d7f5d3SJohn Marino 	u_int16_t evl_tag;
4186d7f5d3SJohn Marino 	u_int16_t evl_proto;
4286d7f5d3SJohn Marino };
4386d7f5d3SJohn Marino 
4486d7f5d3SJohn Marino #define	EVL_VLANOFTAG(tag) ((tag) & 4095)
4586d7f5d3SJohn Marino #define	EVL_PRIOFTAG(tag) (((tag) >> 13) & 7)
4686d7f5d3SJohn Marino #define	EVL_ENCAPLEN	4	/* length in octets of encapsulation */
4786d7f5d3SJohn Marino 
4886d7f5d3SJohn Marino /* sysctl(3) tags, for compatibility purposes */
4986d7f5d3SJohn Marino #define	VLANCTL_PROTO	1
5086d7f5d3SJohn Marino #define	VLANCTL_MAX	2
5186d7f5d3SJohn Marino 
5286d7f5d3SJohn Marino /*
5386d7f5d3SJohn Marino  * Configuration structure for SIOCSETVLAN and SIOCGETVLAN ioctls.
5486d7f5d3SJohn Marino  */
5586d7f5d3SJohn Marino struct	vlanreq {
5686d7f5d3SJohn Marino 	char	vlr_parent[IFNAMSIZ];
5786d7f5d3SJohn Marino 	u_short	vlr_tag;
5886d7f5d3SJohn Marino };
5986d7f5d3SJohn Marino #define	SIOCSETVLAN	SIOCSIFGENERIC
6086d7f5d3SJohn Marino #define	SIOCGETVLAN	SIOCGIFGENERIC
6186d7f5d3SJohn Marino 
6286d7f5d3SJohn Marino #endif /* _NET_IF_VLAN_VAR_H_ */
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