sys/net/if_vlanvar.h

   1 /*      $NetBSD: if_vlanvar.h,v 1.8 2008/02/20 17:05:53 matt Exp $      */
   2
   3 /*-
   4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Andrew Doran.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 /*
  33  * Copyright 1998 Massachusetts Institute of Technology
  34  *
  35  * Permission to use, copy, modify, and distribute this software and
  36  * its documentation for any purpose and without fee is hereby
  37  * granted, provided that both the above copyright notice and this
  38  * permission notice appear in all copies, that both the above
  39  * copyright notice and this permission notice appear in all
  40  * supporting documentation, and that the name of M.I.T. not be used
  41  * in advertising or publicity pertaining to distribution of the
  42  * software without specific, written prior permission.  M.I.T. makes
  43  * no representations about the suitability of this software for any
  44  * purpose.  It is provided "as is" without express or implied
  45  * warranty.
  46  *
  47  * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''.  M.I.T. DISCLAIMS
  48  * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
  49  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  50  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
  51  * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  52  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  53  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  54  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  55  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  56  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  57  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  58  * SUCH DAMAGE.
  59  *
  60  * from FreeBSD: if_vlan_var.h,v 1.3 1999/08/28 00:48:24 peter Exp
  61  */
  62
  63 #ifndef _NET_IF_VLANVAR_H_
  64 #define _NET_IF_VLANVAR_H_
  65
  66 struct ether_vlan_header {
  67         uint8_t         evl_dhost[ETHER_ADDR_LEN];
  68         uint8_t         evl_shost[ETHER_ADDR_LEN];
  69         uint16_t        evl_encap_proto;
  70         uint16_t        evl_tag;
  71         uint16_t        evl_proto;
  72 } __packed;
  73
  74 #define EVL_VLANOFTAG(tag)      ((tag) & 4095)
  75 #define EVL_PRIOFTAG(tag)       (((tag) >> 13) & 7)
  76
  77 /* Configuration structure for SIOCSETVLAN and SIOCGETVLAN ioctls. */
  78 struct vlanreq {
  79         char    vlr_parent[IFNAMSIZ];
  80         u_short vlr_tag;
  81 };
  82
  83 #define SIOCSETVLAN     SIOCSIFGENERIC
  84 #define SIOCGETVLAN     SIOCGIFGENERIC
  85
  86 #ifdef _KERNEL
  87 void    vlan_input(struct ifnet *, struct mbuf *);
  88 void    vlan_ifdetach(struct ifnet *);
  89 #endif  /* _KERNEL */
  90
  91 #endif  /* !_NET_IF_VLANVAR_H_ */