08bee20be2
The power profile requires using VLAN priority tagged packets. The tags may or may not reach the application. This commit adds code to handle the tags in the case that they do appear. Signed-off-by: Richard Cochran <richardcochran@gmail.com>
51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/**
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* @file ether.h
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* @brief Provides definitions useful when working with Ethernet packets.
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* @note Copyright (C) 2012 Richard Cochran <richardcochran@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef HAVE_ETHER_H
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#define HAVE_ETHER_H
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#include <stdint.h>
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#define MAC_LEN 6
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#define PTP_DST_MAC 0x01, 0x1B, 0x19, 0x00, 0x00, 0x00
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#define P2P_DST_MAC 0x01, 0x80, 0xC2, 0x00, 0x00, 0x0E
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struct eth_addr {
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uint8_t dst[MAC_LEN];
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uint8_t src[MAC_LEN];
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} __attribute__((packed));
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struct eth_hdr {
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struct eth_addr mac;
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uint16_t type;
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} __attribute__((packed));
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#define VLAN_HLEN 4
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struct vlan_hdr {
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struct eth_addr mac;
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uint16_t tpid;
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uint16_t tci;
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uint16_t type;
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} __attribute__((packed));
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#define OFF_ETYPE sizeof(struct eth_addr)
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#endif
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