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/* Copyright (c) 2014, Linaro Limited
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/**
* @file
*
* ODP ethernet header
*/
#ifndef ODPH_ETH_H_
#define ODPH_ETH_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <odp_std_types.h>
#include <odp_byteorder.h>
#include <odp_align.h>
#include <odp_debug.h>
#define ODPH_ETHADDR_LEN 6 /**< Ethernet address length */
#define ODPH_ETHHDR_LEN 14 /**< Ethernet header length */
#define ODPH_VLANHDR_LEN 4 /**< VLAN header length */
#define ODPH_ETH_LEN_MIN 60 /**< Min frame length (excl. CRC 4 bytes) */
#define ODPH_ETH_LEN_MIN_CRC 64 /**< Min frame length (incl. CRC 4 bytes) */
#define ODPH_ETH_LEN_MAX 1514 /**< Max frame length (excl. CRC 4 bytes) */
#define ODPH_ETH_LEN_MAX_CRC 1518 /**< Max frame length (incl. CRC 4 bytes) */
/**
* Ethernet MAC address
*/
typedef struct ODP_PACKED {
uint8_t addr[ODPH_ETHADDR_LEN]; /**< @private Address */
} odph_ethaddr_t;
/** @internal Compile time assert */
ODP_STATIC_ASSERT(sizeof(odph_ethaddr_t) == ODPH_ETHADDR_LEN, "ODPH_ETHADDR_T__SIZE_ERROR");
/**
* Ethernet header
*/
typedef struct ODP_PACKED {
odph_ethaddr_t dst; /**< Destination address */
odph_ethaddr_t src; /**< Source address */
uint16be_t type; /**< Type */
} odph_ethhdr_t;
/** @internal Compile time assert */
ODP_STATIC_ASSERT(sizeof(odph_ethhdr_t) == ODPH_ETHHDR_LEN, "ODPH_ETHHDR_T__SIZE_ERROR");
/**
* VLAN header
*
* @todo Check usage of tpid vs ethertype. Check outer VLAN TPID.
*/
typedef struct ODP_PACKED {
uint16be_t tpid; /**< Tag protocol ID (located after ethhdr.src) */
uint16be_t tci; /**< Priority / CFI / VLAN ID */
} odph_vlanhdr_t;
/** @internal Compile time assert */
ODP_STATIC_ASSERT(sizeof(odph_vlanhdr_t) == ODPH_VLANHDR_LEN, "ODPH_VLANHDR_T__SIZE_ERROR");
/* Ethernet header Ether Type ('type') values, a selected few */
#define ODPH_ETHTYPE_IPV4 0x0800 /**< Internet Protocol version 4 */
#define ODPH_ETHTYPE_ARP 0x0806 /**< Address Resolution Protocol */
#define ODPH_ETHTYPE_RARP 0x8035 /**< Reverse Address Resolution Protocol*/
#define ODPH_ETHTYPE_VLAN 0x8100 /**< VLAN-tagged frame IEEE 802.1Q */
#define ODPH_ETHTYPE_VLAN_OUTER 0x88A8 /**< Stacked VLANs/QinQ, outer-tag/S-TAG*/
#define ODPH_ETHTYPE_IPV6 0x86dd /**< Internet Protocol version 6 */
#define ODPH_ETHTYPE_FLOW_CTRL 0x8808 /**< Ethernet flow control */
#define ODPH_ETHTYPE_MPLS 0x8847 /**< MPLS unicast */
#define ODPH_ETHTYPE_MPLS_MCAST 0x8848 /**< MPLS multicast */
#define ODPH_ETHTYPE_MACSEC 0x88E5 /**< MAC security IEEE 802.1AE */
#define ODPH_ETHTYPE_1588 0x88F7 /**< Precision Time Protocol IEEE 1588 */
#ifdef __cplusplus
}
#endif
#endif
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