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/**
* @file ether.h
* @brief Provides definitions useful when working with Ethernet packets.
* @note Copyright (C) 2012 Richard Cochran <richardcochran@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef HAVE_ETHER_H
#define HAVE_ETHER_H
#include <stdint.h>
#define EUI48 6
#define EUI64 8
#define MAC_LEN EUI48
#define GUID_LEN EUI64
#define GUID_OFFSET 36
typedef uint8_t eth_addr[MAC_LEN];
struct eth_hdr {
eth_addr dst;
eth_addr src;
uint16_t type;
} __attribute__((packed));
#define VLAN_HLEN 4
struct vlan_hdr {
eth_addr dst;
eth_addr src;
uint16_t tpid;
uint16_t tci;
uint16_t type;
} __attribute__((packed));
#endif
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