🎉Implemented networking🎉

include/net/arp.hpp

@@ -0,0 +1,89 @@
+#ifndef __FENNIX_KERNEL_NETWORK_ARP_H__
+#define __FENNIX_KERNEL_NETWORK_ARP_H__
+
+#include <net/eth.hpp>
+#include <net/nc.hpp>
+#include <vector.hpp>
+#include <types.h>
+
+namespace NetworkARP
+{
+    enum ARPOperation
+    {
+        REQUEST = 0x1,
+        REPLY = 0x2
+    };
+
+    enum ARPHardwareType
+    {
+        HTYPE_ETHERNET = 1,
+        HTYPE_802_3 = 6,
+        HTYPE_ARCNET = 7,
+        HTYPE_FRAME_RELAY = 15,
+        HTYPE_ATM = 16,
+        HTYPE_HDLC = 17,
+        HTYPE_FIBRE_CHANNEL = 18,
+        HTYPE_ATM_2 = 19,
+        HTYPE_SERIAL_LINE = 20
+    };
+
+    struct ARPHeader
+    {
+        uint16_t HardwareType;
+        uint16_t ProtocolType;
+        uint8_t HardwareSize;
+        uint8_t ProtocolSize;
+        uint16_t Operation;
+        uint48_t SenderMAC : 48;
+        uint32_t SenderIP;
+        uint48_t TargetMAC : 48;
+        uint32_t TargetIP;
+    } __attribute__((packed));
+
+    struct DiscoveredAddress
+    {
+        MediaAccessControl MAC;
+        InternetProtocol4 IP;
+    };
+
+    class ARP : public NetworkEthernet::EthernetEvents
+    {
+    private:
+        NetworkEthernet::Ethernet *Ethernet;
+
+        enum DAType
+        {
+            DA_ADD = 1,
+            DA_DEL = 2,
+            DA_SEARCH = 3,
+            DA_UPDATE = 4
+        };
+
+        Vector<NetworkARP::DiscoveredAddress *> DiscoveredAddresses;
+        DiscoveredAddress *ManageDA(DAType Type, InternetProtocol4 IP, MediaAccessControl MAC);
+        DiscoveredAddress *Search(InternetProtocol4 TargetIP);
+        DiscoveredAddress *Update(InternetProtocol4 TargetIP, MediaAccessControl TargetMAC);
+        bool OnEthernetPacketReceived(uint8_t *Data, uint64_t Length);
+
+    public:
+        ARP(NetworkEthernet::Ethernet *Ethernet);
+        ~ARP();
+
+        /**
+         * @brief Resolve an IP address to a MAC address.
+         *
+         * @param IP The IP address to resolve. (Little-endian)
+         * @return uint48_t The MAC address of the IP address.
+         */
+        uint48_t Resolve(InternetProtocol4 IP);
+
+        /**
+         * @brief Broadcast an ARP packet.
+         *
+         * @param IP The IP address to broadcast.
+         */
+        void Broadcast(InternetProtocol4 IP);
+    };
+}
+
+#endif // !__FENNIX_KERNEL_NETWORK_ARP_H__