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// MIT License, Copyright (c) 2020 Marvin Borner
#ifndef NET_H
#define NET_H
#include <def.h>
#define RX_BUF_SIZE 0x3000
#define RTL8139_VENDOR_ID 0x10ec
#define RTL8139_DEVICE_ID 0x8139
#define RTL_ROK (1 << 0)
#define RTL_TOK (1 << 2)
#define RTL_PORT_MAC 0x00
#define RTL_PORT_MAR 0x08
#define RTL_PORT_TXSTAT 0x10
#define RTL_PORT_TXBUF 0x20
#define RTL_PORT_RBSTART 0x30
#define RTL_PORT_CMD 0x37
#define RTL_PORT_RXPTR 0x38
#define RTL_PORT_RXADDR 0x3A
#define RTL_PORT_IMR 0x3C
#define RTL_PORT_ISR 0x3E
#define RTL_PORT_TCR 0x40
#define RTL_PORT_RCR 0x44
#define RTL_PORT_RXMISS 0x4C
#define RTL_PORT_CONFIG 0x52
#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));
void net_install();
#endif
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