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Add a header defining the Ethernet header and MAC addresses. 

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
master
Richard Cochran 2012-03-17 17:21:25 +01:00
parent 7d54d444f5
commit 5dbca8a6cd
1 changed files with 41 additions and 0 deletions
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ether.h 100644
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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 MAC_LEN 6
#define PTP_DST_MAC 0x01, 0x1B, 0x19, 0x00, 0x00, 0x00
#define P2P_DST_MAC 0x01, 0x80, 0xC2, 0x00, 0x00, 0x0E
struct eth_addr {
uint8_t dst[MAC_LEN];
uint8_t src[MAC_LEN];
} __attribute__((packed));
struct eth_hdr {
struct eth_addr mac;
uint16_t type;
} __attribute__((packed));
#define OFF_ETYPE sizeof(struct eth_addr)
#endif