bsd/net/if_vlan_var.h

   1 /*
   2  * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24  * Copyright 1998 Massachusetts Institute of Technology
  25  *
  26  * Permission to use, copy, modify, and distribute this software and
  27  * its documentation for any purpose and without fee is hereby
  28  * granted, provided that both the above copyright notice and this
  29  * permission notice appear in all copies, that both the above
  30  * copyright notice and this permission notice appear in all
  31  * supporting documentation, and that the name of M.I.T. not be used
  32  * in advertising or publicity pertaining to distribution of the
  33  * software without specific, written prior permission.  M.I.T. makes
  34  * no representations about the suitability of this software for any
  35  * purpose.  It is provided "as is" without express or implied
  36  * warranty.
  37  *
  38  * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''.  M.I.T. DISCLAIMS
  39  * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
  40  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  41  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
  42  * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  43  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  44  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  45  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  46  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  47  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  48  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  49  * SUCH DAMAGE.
  50  *
  51  * $FreeBSD: src/sys/net/if_vlan_var.h,v 1.16 2003/07/08 21:54:20 wpaul Exp $
  52  */
  53
  54 #ifndef _NET_IF_VLAN_VAR_H_
  55 #define _NET_IF_VLAN_VAR_H_     1
  56
  57 #define ETHER_VLAN_ENCAP_LEN    4       /* len of 802.1Q VLAN encapsulation */
  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;
  62         u_int16_t evl_tag;
  63         u_int16_t evl_proto;
  64 };
  65
  66 #define EVL_VLID_MASK   0x0FFF
  67 #define EVL_VLANOFTAG(tag) ((tag) & EVL_VLID_MASK)
  68 #define EVL_PRIOFTAG(tag) (((tag) >> 13) & 7)
  69
  70 #if 0
  71 /* sysctl(3) tags, for compatibility purposes */
  72 #define VLANCTL_PROTO   1
  73 #define VLANCTL_MAX     2
  74 #endif 0
  75
  76 /*
  77  * Configuration structure for SIOCSETVLAN and SIOCGETVLAN ioctls.
  78  */
  79 struct  vlanreq {
  80         char    vlr_parent[IFNAMSIZ];
  81         u_short vlr_tag;
  82 };
  83
  84 #ifdef KERNEL_PRIVATE
  85 int vlan_family_init(void);
  86 #endif KERNEL_PRIVATE
  87 #endif /* _NET_IF_VLAN_VAR_H_ */