ethernet.h

#pragma once
 
#include "common.h"
#include "net/cards.h"
 
#define ETHERNET_TYPE_IPV4      0x0800  
#define ETHERNET_TYPE_ARP       0x0806  
#define ETHERNET_TYPE_WoL       0x0842  
#define ETHERNET_TYPE_SRP       0x22EA  
#define ETHERNET_TYPE_AVTP      0x22F0  
#define ETHERNET_TYPE_IETF      0x22F3  
#define ETHERNET_TYPE_DECMOP    0x6002  
#define ETHERNET_TYPE_DECNET    0x6003  
#define ETHERNET_TYPE_DECLAT    0x6004  
#define ETHERNET_TYPE_RASP      0x8035  
#define ETHERNET_TYPE_ATE       0x809B  
#define ETHERNET_TYPE_ATARP     0x80F3  
#define ETHERNET_TYPE_VLAN      0x8100  
#define ETHERNET_TYPE_SLPP      0x8102  
#define ETHERNET_TYPE_VLACP     0x8103  
#define ETHERNET_TYPE_IPX       0x8137  
#define ETHERNET_TYPE_QNX       0x8204  
#define ETHERNET_TYPE_IPV6      0x86DD  
#define ETHERNET_TYPE_EFC       0x8808  
#define ETHERNET_TYPE_ESP       0x8809
#define ETHERNET_TYPE_COBRA     0x8819  
#define ETHERNET_TYPE_MPLSU     0x8847  
#define ETHERNET_TYPE_MPLSM     0x8848  
#define ETHERNET_TYPE_PPPoEDS   0x8863  
#define ETHERNET_TYPE_PPPoESS   0x8864  
#define ETHERNET_TYPE_HP1MME    0x887B  
#define ETHERNET_TYPE_EAPoLAN   0x888E  
#define ETHERNET_TYPE_PROFINET  0x8892  
#define ETHERNET_TYPE_HYPERSCSI 0x889A  
#define ETHERNET_TYPE_ATAoE     0x88A2  
#define ETHERNET_TYPE_ECAT      0x88A4  
#define ETHERNET_TYPE_SVLAN     0x88A8  
#define ETHERNET_TYPE_POWLINK   0x88AB  
#define ETHERNET_TYPE_GOOSE     0x88B8  
#define ETHERNET_TYPE_GSE       0x88B9  
#define ETHERNET_TYPE_SV        0x88BA  
#define ETHERNET_TYPE_MTRMN     0x88BA  
#define ETHERNET_TYPE_LLDP      0x88CC  
#define ETHERNET_TYPE_SCSIII    0x88CD  
#define ETHERNET_TYPE_HPGPHY    0x88E1  
#define ETHERNET_TYPE_MRP       0x88E3  
#define ETHERNET_TYPE_MACSEC    0x88E5  
#define ETHERNET_TYPE_PBB       0x88E7  
#define ETHERNET_TYPE_PTP       0x88F7  
#define ETHERNET_TYPE_NCSI      0x88F8  
#define ETHERNET_TYPE_PRP       0x88FB  
#define ETHERNET_TYPE_CFM       0x8902  
#define ETHERNET_TYPE_FCoE      0x8906  
#define ETHERNET_TYPE_FCoEI     0x8914  
#define ETHERNET_TYPE_RoCE      0x8915  
#define ETHERNET_TYPE_TTE       0x891D  
#define ETHERNET_TYPE_1905      0x893A  
#define ETHERNET_TYPE_HSR       0x892F  
#define ETHERNET_TYPE_ECTP      0x9000  
#define ETHERNET_TYPE_RT        0xF1C1  
 
#define ETH_IPv6_HEAD_ICMPv6    0x3a    
#define ETH_IPv6_HEAD_UDP       0x11    
 
#define ETH_IPv4_HEAD_ICMPv4    1       
#define ETH_IPv4_HEAD_UDP       0x11    
#define ETH_IPv4_HEAD_TCP       6       
 
#define ETH_ICMPv4_TYPE_PING    8       
#define ETH_ICMPv6_TYPE_PING    128     
 
#define HARDWARE_TYPE_ETHERNET 0x01
 
typedef struct ethernet_frame {
  uint8_t dest_mac[6];
  uint8_t src_mac[6];
  uint16_t type;
  uint8_t data[];
} __attribute__((packed)) ethernet_frame_t; 
 
typedef struct {
  uint8_t Type;
  uint8_t Size;
  uint8_t MAC[6];
} __attribute__((packed)) ETH_IPv6_OPT_PKG; 
 
typedef struct {
    uint8_t Version;
    uint8_t Flow[3];
    uint16_t PayLoad;
    uint8_t NextHead;
    uint8_t HopLimit;
    uint16_t Source[8];
    uint16_t Destination[8];
} __attribute__((packed)) ETH_IPv6_PKG; 
 
 
typedef struct {
    uint8_t Type;
    uint8_t Code;
    uint16_t CheckSum;
    uint32_t Reserved;
    ETH_IPv6_OPT_PKG Opt;
} __attribute__((packed)) ETH_ICMPv6_PKG;   
 
typedef struct {
    uint8_t HeaderLength : 4;
    uint8_t Version : 4;
    uint8_t DSF;
    uint16_t TotalLength;
    uint16_t ID;
    uint16_t Flags;
    uint8_t TimeLife;
    uint8_t Protocol;
    uint16_t Checksum;
    uint8_t Source[4];
    uint8_t Destination[4];
} __attribute__((packed)) ETH_IPv4_PKG; 
 
 
typedef struct {
  uint16_t SourcePort;
  uint16_t DestinationPort;
  uint16_t Length;
  uint16_t CheckSum;
} __attribute__((packed)) ETH_UDP_PKG;  
 
 
typedef struct {
  uint8_t Type;
  uint8_t Code;
  uint16_t CheckSum;
  uint16_t IDBE;
  uint16_t SNBE;
  uint8_t Timestamp[8];
} __attribute__((packed)) ETH_ICMPv4_PKG;   
 
 
void ethernet_send_packet(netcard_entry_t* card, uint8_t* dest_mac, uint8_t* data, size_t len, uint16_t type);
void ethernet_handle_packet(netcard_entry_t *card, ethernet_frame_t *packet, size_t len);