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/*
* 802.1Q VLAN protocol definitions
*
* Copyright (C) 1999-2011, Broadcom Corporation
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $Id: vlan.h,v 9.7 2009-03-13 01:11:50 Exp $
*/
#ifndef _vlan_h_
#define _vlan_h_
#ifndef _TYPEDEFS_H_
#include <typedefs.h>
#endif
#include <packed_section_start.h>
#define VLAN_VID_MASK 0xfff
#define VLAN_CFI_SHIFT 12
#define VLAN_PRI_SHIFT 13
#define VLAN_PRI_MASK 7
#define VLAN_TAG_LEN 4
#define VLAN_TAG_OFFSET (2 * ETHER_ADDR_LEN)
#define VLAN_TPID 0x8100
struct ethervlan_header {
uint8 ether_dhost[ETHER_ADDR_LEN];
uint8 ether_shost[ETHER_ADDR_LEN];
uint16 vlan_type;
uint16 vlan_tag;
uint16 ether_type;
};
#define ETHERVLAN_HDR_LEN (ETHER_HDR_LEN + VLAN_TAG_LEN)
#include <packed_section_end.h>
#define ETHERVLAN_MOVE_HDR(d, s) \
do { \
struct ethervlan_header t; \
t = *(struct ethervlan_header *)(s); \
*(struct ethervlan_header *)(d) = t; \
} while (0)
#endif
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