2 * Copyright 1998 Massachusetts Institute of Technology
4 * Permission to use, copy, modify, and distribute this software and
5 * its documentation for any purpose and without fee is hereby
6 * granted, provided that both the above copyright notice and this
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9 * supporting documentation, and that the name of M.I.T. not be used
10 * in advertising or publicity pertaining to distribution of the
11 * software without specific, written prior permission. M.I.T. makes
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13 * purpose. It is provided "as is" without express or implied
16 * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
17 * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
18 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
20 * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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29 * $FreeBSD: src/sys/net/if_vlan_var.h,v 1.5.2.3 2001/12/04 20:01:54 brooks Exp $
30 * $DragonFly: src/sys/net/vlan/if_vlan_var.h,v 1.2 2003/06/17 04:28:48 dillon Exp $
33 #ifndef _NET_IF_VLAN_VAR_H_
34 #define _NET_IF_VLAN_VAR_H_ 1
37 struct vlan_mc_entry {
38 struct ether_addr mc_addr;
39 SLIST_ENTRY(vlan_mc_entry) mc_entries;
43 struct arpcom ifv_ac; /* make this an interface */
44 struct ifnet *ifv_p; /* parent inteface of this vlan */
47 u_int16_t ifvm_proto; /* encapsulation ethertype */
48 u_int16_t ifvm_tag; /* tag to apply on packets leaving if */
50 SLIST_HEAD(__vlan_mchead, vlan_mc_entry) vlan_mc_listhead;
51 LIST_ENTRY(ifvlan) ifv_list;
52 struct resource *r_unit; /* resource allocated for this unit */
54 #define ifv_if ifv_ac.ac_if
55 #define ifv_tag ifv_mib.ifvm_tag
58 struct ether_vlan_header {
59 u_char evl_dhost[ETHER_ADDR_LEN];
60 u_char evl_shost[ETHER_ADDR_LEN];
61 u_int16_t evl_encap_proto;
66 #define EVL_VLANOFTAG(tag) ((tag) & 4095)
67 #define EVL_PRIOFTAG(tag) (((tag) >> 13) & 7)
68 #define EVL_ENCAPLEN 4 /* length in octets of encapsulation */
70 /* sysctl(3) tags, for compatibility purposes */
71 #define VLANCTL_PROTO 1
75 * Configuration structure for SIOCSETVLAN and SIOCGETVLAN ioctls.
78 char vlr_parent[IFNAMSIZ];
81 #define SIOCSETVLAN SIOCSIFGENERIC
82 #define SIOCGETVLAN SIOCGIFGENERIC
84 #endif /* _NET_IF_VLAN_VAR_H_ */