xref: /dflybsd-src/sys/net/vlan/if_vlan_var.h (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
1*86d7f5d3SJohn Marino /*
2*86d7f5d3SJohn Marino  * Copyright 1998 Massachusetts Institute of Technology
3*86d7f5d3SJohn Marino  *
4*86d7f5d3SJohn Marino  * Permission to use, copy, modify, and distribute this software and
5*86d7f5d3SJohn Marino  * its documentation for any purpose and without fee is hereby
6*86d7f5d3SJohn Marino  * granted, provided that both the above copyright notice and this
7*86d7f5d3SJohn Marino  * permission notice appear in all copies, that both the above
8*86d7f5d3SJohn Marino  * copyright notice and this permission notice appear in all
9*86d7f5d3SJohn Marino  * supporting documentation, and that the name of M.I.T. not be used
10*86d7f5d3SJohn Marino  * in advertising or publicity pertaining to distribution of the
11*86d7f5d3SJohn Marino  * software without specific, written prior permission.  M.I.T. makes
12*86d7f5d3SJohn Marino  * no representations about the suitability of this software for any
13*86d7f5d3SJohn Marino  * purpose.  It is provided "as is" without express or implied
14*86d7f5d3SJohn Marino  * warranty.
15*86d7f5d3SJohn Marino  *
16*86d7f5d3SJohn Marino  * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''.  M.I.T. DISCLAIMS
17*86d7f5d3SJohn Marino  * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
18*86d7f5d3SJohn Marino  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19*86d7f5d3SJohn Marino  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
20*86d7f5d3SJohn Marino  * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21*86d7f5d3SJohn Marino  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22*86d7f5d3SJohn Marino  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
23*86d7f5d3SJohn Marino  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24*86d7f5d3SJohn Marino  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25*86d7f5d3SJohn Marino  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
26*86d7f5d3SJohn Marino  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27*86d7f5d3SJohn Marino  * SUCH DAMAGE.
28*86d7f5d3SJohn Marino  *
29*86d7f5d3SJohn Marino  * $FreeBSD: src/sys/net/if_vlan_var.h,v 1.5.2.3 2001/12/04 20:01:54 brooks Exp $
30*86d7f5d3SJohn Marino  * $DragonFly: src/sys/net/vlan/if_vlan_var.h,v 1.4 2008/03/10 10:47:57 sephe Exp $
31*86d7f5d3SJohn Marino  */
32*86d7f5d3SJohn Marino 
33*86d7f5d3SJohn Marino #ifndef _NET_IF_VLAN_VAR_H_
34*86d7f5d3SJohn Marino #define	_NET_IF_VLAN_VAR_H_
35*86d7f5d3SJohn Marino 
36*86d7f5d3SJohn Marino struct	ether_vlan_header {
37*86d7f5d3SJohn Marino 	u_char	evl_dhost[ETHER_ADDR_LEN];
38*86d7f5d3SJohn Marino 	u_char	evl_shost[ETHER_ADDR_LEN];
39*86d7f5d3SJohn Marino 	u_int16_t evl_encap_proto;
40*86d7f5d3SJohn Marino 	u_int16_t evl_tag;
41*86d7f5d3SJohn Marino 	u_int16_t evl_proto;
42*86d7f5d3SJohn Marino };
43*86d7f5d3SJohn Marino 
44*86d7f5d3SJohn Marino #define	EVL_VLANOFTAG(tag) ((tag) & 4095)
45*86d7f5d3SJohn Marino #define	EVL_PRIOFTAG(tag) (((tag) >> 13) & 7)
46*86d7f5d3SJohn Marino #define	EVL_ENCAPLEN	4	/* length in octets of encapsulation */
47*86d7f5d3SJohn Marino 
48*86d7f5d3SJohn Marino /* sysctl(3) tags, for compatibility purposes */
49*86d7f5d3SJohn Marino #define	VLANCTL_PROTO	1
50*86d7f5d3SJohn Marino #define	VLANCTL_MAX	2
51*86d7f5d3SJohn Marino 
52*86d7f5d3SJohn Marino /*
53*86d7f5d3SJohn Marino  * Configuration structure for SIOCSETVLAN and SIOCGETVLAN ioctls.
54*86d7f5d3SJohn Marino  */
55*86d7f5d3SJohn Marino struct	vlanreq {
56*86d7f5d3SJohn Marino 	char	vlr_parent[IFNAMSIZ];
57*86d7f5d3SJohn Marino 	u_short	vlr_tag;
58*86d7f5d3SJohn Marino };
59*86d7f5d3SJohn Marino #define	SIOCSETVLAN	SIOCSIFGENERIC
60*86d7f5d3SJohn Marino #define	SIOCGETVLAN	SIOCGIFGENERIC
61*86d7f5d3SJohn Marino 
62*86d7f5d3SJohn Marino #endif /* _NET_IF_VLAN_VAR_H_ */
63