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// MIT License, Copyright (c) 2020 Marvin Borner
#ifndef NET_H
#define NET_H
#include <def.h>
#define ETHERNET_TYPE_IP4 0x0800
#define ETHERNET_TYPE_IP6 0x86dd
#define ETHERNET_TYPE_ARP 0x0806
struct ethernet_packet {
u8 dst_mac_addr[6];
u8 src_mac_addr[6];
u16 type;
u8 data[];
} __attribute__((packed));
struct ip_packet {
u8 version_ihl;
u8 dscp_ecn;
u16 length;
u16 id;
u8 flags_fragment;
u8 ttl;
u8 protocol;
u16 checksum;
u8 src_ip[4];
u8 dst_ip[4];
u8 data[];
} __attribute__((packed));
void ethernet_handle_packet(struct ethernet_packet *packet, int len);
void net_install();
#endif
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