bsd/net/if_vlan_var.h

   1 /*
   2  * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_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.  The rights granted to you under the
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /*
  31  * Copyright 1998 Massachusetts Institute of Technology
  32  *
  33  * Permission to use, copy, modify, and distribute this software and
  34  * its documentation for any purpose and without fee is hereby
  35  * granted, provided that both the above copyright notice and this
  36  * permission notice appear in all copies, that both the above
  37  * copyright notice and this permission notice appear in all
  38  * supporting documentation, and that the name of M.I.T. not be used
  39  * in advertising or publicity pertaining to distribution of the
  40  * software without specific, written prior permission.  M.I.T. makes
  41  * no representations about the suitability of this software for any
  42  * purpose.  It is provided "as is" without express or implied
  43  * warranty.
  44  *
  45  * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''.  M.I.T. DISCLAIMS
  46  * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
  47  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  48  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
  49  * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  50  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  51  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  52  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  53  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  54  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  55  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  56  * SUCH DAMAGE.
  57  *
  58  * $FreeBSD: src/sys/net/if_vlan_var.h,v 1.16 2003/07/08 21:54:20 wpaul Exp $
  59  */
  60
  61 #ifndef _NET_IF_VLAN_VAR_H_
  62 #define _NET_IF_VLAN_VAR_H_     1
  63
  64 #define ETHER_VLAN_ENCAP_LEN    4       /* len of 802.1Q VLAN encapsulation */
  65 struct  ether_vlan_header {
  66         u_char  evl_dhost[ETHER_ADDR_LEN];
  67         u_char  evl_shost[ETHER_ADDR_LEN];
  68         u_int16_t evl_encap_proto;
  69         u_int16_t evl_tag;
  70         u_int16_t evl_proto;
  71 };
  72
  73 #define EVL_VLID_MASK   0x0FFF
  74 #define EVL_VLANOFTAG(tag) ((tag) & EVL_VLID_MASK)
  75 #define EVL_PRIOFTAG(tag) (((tag) >> 13) & 7)
  76
  77 #if 0
  78 /* sysctl(3) tags, for compatibility purposes */
  79 #define VLANCTL_PROTO   1
  80 #define VLANCTL_MAX     2
  81 #endif 0
  82
  83 /*
  84  * Configuration structure for SIOCSETVLAN and SIOCGETVLAN ioctls.
  85  */
  86 struct  vlanreq {
  87         char    vlr_parent[IFNAMSIZ];
  88         u_short vlr_tag;
  89 };
  90
  91 #ifdef KERNEL_PRIVATE
  92 int vlan_family_init(void);
  93 #endif KERNEL_PRIVATE
  94 #endif /* _NET_IF_VLAN_VAR_H_ */