feat: add ethernet & TCP/IP stack

2026-02-17 13:19:11 +01:00
parent f7e6ce70a0
commit 20fa8a9be2
23 changed files with 2409 additions and 0 deletions
@@ -0,0 +1,29 @@
+/*
+    * Icmp.hpp
+    * Internet Control Message Protocol
+    * Copyright (c) 2025 Daniel Hammer
+*/
+
+#pragma once
+#include <cstdint>
+
+namespace Net::Icmp {
+
+    constexpr uint8_t TYPE_ECHO_REPLY   = 0;
+    constexpr uint8_t TYPE_ECHO_REQUEST = 8;
+
+    struct Header {
+        uint8_t  Type;
+        uint8_t  Code;
+        uint16_t Checksum;
+        uint16_t Identifier;
+        uint16_t Sequence;
+    } __attribute__((packed));
+
+    // Initialize the ICMP subsystem
+    void Initialize();
+
+    // Handle an incoming ICMP packet (called by IPv4 layer)
+    void OnPacketReceived(uint32_t srcIp, const uint8_t* data, uint16_t length);
+
+}