The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/net/if_vlanvar.h

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    1 /*      $NetBSD: if_vlanvar.h,v 1.9 2008/04/28 20:24:09 martin 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_ */

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