//
// Created by epagris on 2022.11.03..
//

#ifndef ETHERLIB_ETHERNET_FRAME_H
#define ETHERLIB_ETHERNET_FRAME_H

#include <stdint.h>
#include "etherlib/packet_registry.h"

#define ETH_HW_ADDR_LEN (6)

/**
 * @struct EthernetProps
 * Ethernet frame properties
 */
typedef struct {
    PcktPropsHeader
    uint8_t destAddr[ETH_HW_ADDR_LEN]; ///< destination address
    uint8_t sourceAddr[ETH_HW_ADDR_LEN]; ///< source address
    uint16_t length_type; /// < frame length_type
} EthernetProps;

/**
 * Parse raw Ethernet frames.
 * @param hdr pointer to the Ethernet packet header
 * @param size total frame size
 * @param props pointer to property storage
 * @return EtherType or 0 (if size is less than 1500) on success or -1 on error
 */
int parse_ethernet(const uint8_t *hdr, uint32_t size, PcktProps * props);

#endif //ETHERLIB_ETHERNET_FRAME_H