#pragma once

#include <stdint.h>
#include <sys/types.h>

#define ETH_ALEN 6
#define ETH_HLEN 14
#define ETH_ZLEN 60
#define ETH_DATA_LEN 1500
#define ETH_FRAME_LEN 1514
#define ETH_FCS_LEN 4

#define ETH_P_LOOP 0x0060
#define ETH_P_PUP 0x0200
#define ETH_P_PUPAT 0x0201
#define ETH_P_IP 0x0800
#define ETH_P_X25 0x0805
#define ETH_P_ARP 0x0806
#define ETH_P_BPQ 0x08FF
#define ETH_P_IEEEPUP 0x0a00
#define ETH_P_IEEEPUPAT 0x0a01
#define ETH_P_BATMAN 0x4305
#define ETH_P_DEC 0x6000
#define ETH_P_DNA_DL 0x6001
#define ETH_P_DNA_RC 0x6002
#define ETH_P_DNA_RT 0x6003
#define ETH_P_LAT 0x6004
#define ETH_P_DIAG 0x6005
#define ETH_P_CUST 0x6006
#define ETH_P_SCA 0x6007
#define ETH_P_TEB 0x6558
#define ETH_P_RARP 0x8035
#define ETH_P_ATALK 0x809B
#define ETH_P_AARP 0x80F3
#define ETH_P_8021Q 0x8100
#define ETH_P_IPX 0x8137
#define ETH_P_IPV6 0x86DD
#define ETH_P_PAUSE 0x8808
#define ETH_P_SLOW 0x8809
#define ETH_P_WCCP 0x883E
#define ETH_P_MPLS_UC 0x8847
#define ETH_P_MPLS_MC 0x8848
#define ETH_P_ATMMPOA 0x884c
#define ETH_P_PPP_DISC 0x8863
#define ETH_P_PPP_SES 0x8864
#define ETH_P_LINK_CTL 0x886c
#define ETH_P_ATMFATE 0x8884
#define ETH_P_PAE 0x888E
#define ETH_P_AOE 0x88A2
#define ETH_P_8021AD 0x88A8
#define ETH_P_802_EX1 0x88B5
#define ETH_P_TIPC 0x88CA
#define ETH_P_8021AH 0x88E7
#define ETH_P_MVRP 0x88F5
#define ETH_P_1588 0x88F7
#define ETH_P_PRP 0x88FB
#define ETH_P_FCOE 0x8906
#define ETH_P_TDLS 0x890D
#define ETH_P_FIP 0x8914
#define ETH_P_80221 0x8917
#define ETH_P_LOOPBACK 0x9000
#define ETH_P_QINQ1 0x9100
#define ETH_P_QINQ2 0x9200
#define ETH_P_QINQ3 0x9300
#define ETH_P_EDSA 0xDADA
#define ETH_P_AF_IUCV 0xFBFB

#define ETH_P_802_3_MIN 0x0600

#define ETH_P_802_3 0x0001
#define ETH_P_AX25 0x0002
#define ETH_P_ALL 0x0003
#define ETH_P_802_2 0x0004
#define ETH_P_SNAP 0x0005
#define ETH_P_DDCMP 0x0006
#define ETH_P_WAN_PPP 0x0007
#define ETH_P_PPP_MP 0x0008
#define ETH_P_LOCALTALK 0x0009
#define ETH_P_CAN 0x000C
#define ETH_P_CANFD 0x000D
#define ETH_P_PPPTALK 0x0010
#define ETH_P_TR_802_2 0x0011
#define ETH_P_MOBITEX 0x0015
#define ETH_P_CONTROL 0x0016
#define ETH_P_IRDA 0x0017
#define ETH_P_ECONET 0x0018
#define ETH_P_HDLC 0x0019
#define ETH_P_ARCNET 0x001A
#define ETH_P_DSA 0x001B
#define ETH_P_TRAILER 0x001C
#define ETH_P_PHONET 0x00F5
#define ETH_P_IEEE802154 0x00F6
#define ETH_P_CAIF 0x00F7

struct ethhdr {
    uint8_t h_dest[ETH_ALEN];
    uint8_t h_source[ETH_ALEN];
    uint16_t h_proto;
};

#include <net/ethernet.h>
#include <net/if_arp.h>

struct ether_arp {
    struct arphdr ea_hdr;
    uint8_t arp_sha[ETH_ALEN];
    uint8_t arp_spa[4];
    uint8_t arp_tha[ETH_ALEN];
    uint8_t arp_tpa[4];
};
#define arp_hrd ea_hdr.ar_hrd
#define arp_pro ea_hdr.ar_pro
#define arp_hln ea_hdr.ar_hln
#define arp_pln ea_hdr.ar_pln
#define arp_op ea_hdr.ar_op

#define ETHER_MAP_IP_MULTICAST(ipaddr, enaddr)      \
    do {                                            \
        (enaddr)[0] = 0x01;                         \
        (enaddr)[1] = 0x00;                         \
        (enaddr)[2] = 0x5e;                         \
        (enaddr)[3] = ((uint8_t*)ipaddr)[1] & 0x7f; \
        (enaddr)[4] = ((uint8_t*)ipaddr)[2];        \
        (enaddr)[5] = ((uint8_t*)ipaddr)[3];        \
    } while (0)