Merge remote-tracking branch 'Kernel/master'

2025-07-02 10:59:15 +00:00 · 2024-11-20 05:00:33 +02:00
parent 93d408e0af 19f2a78d35
commit 682c84b2af
468 changed files with 112800 additions and 1 deletions
--- a/Kernel/include/net/arp.hpp
+++ b/Kernel/include/net/arp.hpp
@ -0,0 +1,106 @@
+/*
+	This file is part of Fennix Kernel.
+
+	Fennix Kernel is free software: you can redistribute it and/or
+	modify it under the terms of the GNU General Public License as
+	published by the Free Software Foundation, either version 3 of
+	the License, or (at your option) any later version.
+
+	Fennix Kernel is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#ifndef __FENNIX_KERNEL_NETWORK_ARP_H__
+#define __FENNIX_KERNEL_NETWORK_ARP_H__
+
+#include <net/eth.hpp>
+#include <net/nc.hpp>
+#include <types.h>
+#include <vector>
+
+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;
+	} __packed;
+
+	struct DiscoveredAddress
+	{
+		MediaAccessControl MAC;
+		InternetProtocol IP;
+	};
+
+	class ARP : public NetworkEthernet::EthernetEvents
+	{
+	private:
+		NetworkEthernet::Ethernet *Ethernet;
+
+		enum DAType
+		{
+			DA_ADD = 1,
+			DA_DEL = 2,
+			DA_SEARCH = 3,
+			DA_UPDATE = 4
+		};
+
+		std::vector<NetworkARP::DiscoveredAddress *> DiscoveredAddresses;
+		DiscoveredAddress *ManageDiscoveredAddresses(DAType Type, InternetProtocol IP, MediaAccessControl MAC);
+		DiscoveredAddress *Search(InternetProtocol TargetIP);
+		DiscoveredAddress *Update(InternetProtocol TargetIP, MediaAccessControl TargetMAC);
+		bool OnEthernetPacketReceived(uint8_t *Data, size_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(InternetProtocol IP);
+
+		/**
+		 * @brief Broadcast an ARP packet.
+		 *
+		 * @param IP The IP address to broadcast.
+		 */
+		void Broadcast(InternetProtocol IP);
+	};
+}
+
+#endif // !__FENNIX_KERNEL_NETWORK_ARP_H__