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V1.10

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New feature(s):
- Network stack
- Piping commands into a udpsend message
Bug fix(es):
-N/A
This commit is contained in:
Chris
2026-02-05 21:59:21 +01:00
parent d9fc8fbeda
commit 89bdb860dd
34 changed files with 1322 additions and 16 deletions
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85
src/kernel/network.h Normal file
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#ifndef NETWORK_H
#define NETWORK_H
#include <stdint.h>
#include <stddef.h>
#include "e1000.h"
#define ETH_FRAME_MAX_SIZE 1518
#define ETH_HEADER_SIZE 14
#define ETH_ETHERTYPE_ARP 0x0806
#define ETH_ETHERTYPE_IPV4 0x0800
typedef struct { uint8_t bytes[6]; } mac_address_t;
typedef struct { uint8_t bytes[4]; } ipv4_address_t;
typedef struct {
uint8_t dest_mac[6];
uint8_t src_mac[6];
uint16_t ethertype;
} __attribute__((packed)) eth_header_t;
#define ARP_OP_REQUEST 1
#define ARP_OP_REPLY 2
typedef struct {
uint16_t hw_type;
uint16_t proto_type;
uint8_t hw_len;
uint8_t proto_len;
uint16_t opcode;
uint8_t sender_mac[6];
uint8_t sender_ip[4];
uint8_t target_mac[6];
uint8_t target_ip[4];
} __attribute__((packed)) arp_header_t;
#define IP_PROTO_UDP 17
typedef struct {
uint8_t version_ihl;
uint8_t tos;
uint16_t total_length;
uint16_t id;
uint16_t flags_frag;
uint8_t ttl;
uint8_t protocol;
uint16_t checksum;
uint8_t src_ip[4];
uint8_t dest_ip[4];
} __attribute__((packed)) ipv4_header_t;
typedef struct {
uint16_t src_port;
uint16_t dest_port;
uint16_t length;
uint16_t checksum;
} __attribute__((packed)) udp_header_t;
int network_init(void);
int network_get_mac_address(mac_address_t* mac);
int network_get_ipv4_address(ipv4_address_t* ip);
int network_set_ipv4_address(const ipv4_address_t* ip);
int network_send_frame(const void* data, size_t length);
int network_receive_frame(void* buffer, size_t buffer_size);
void network_process_frames(void);
int arp_send_request(const ipv4_address_t* target_ip);
int arp_lookup(const ipv4_address_t* ip, mac_address_t* mac);
void arp_process_packet(const arp_header_t* arp, size_t length);
int ipv4_send_packet(const ipv4_address_t* dest_ip, uint8_t protocol, const void* data, size_t data_length);
int ipv4_send_packet_to_mac(const ipv4_address_t* dest_ip, const mac_address_t* dest_mac, uint8_t protocol, const void* data, size_t data_length);
void ipv4_process_packet(const ipv4_header_t* ip, const mac_address_t* src_mac, size_t length);
int udp_send_packet(const ipv4_address_t* dest_ip, uint16_t dest_port, uint16_t src_port, const void* data, size_t data_length);
int udp_send_packet_to_mac(const ipv4_address_t* dest_ip, const mac_address_t* dest_mac, uint16_t dest_port, uint16_t src_port, const void* data, size_t data_length);
typedef void (*udp_callback_t)(const ipv4_address_t* src_ip, uint16_t src_port, const mac_address_t* src_mac, const void* data, size_t length);
int udp_register_callback(uint16_t port, udp_callback_t callback);
int network_is_initialized(void);
int network_get_frames_received(void);
int network_get_udp_packets_received(void);
int network_get_udp_callbacks_called(void);
int network_get_e1000_receive_calls(void);
int network_get_e1000_receive_empty(void);
int network_get_process_calls(void);
int network_dhcp_acquire(void);
#endif