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 +1,36 @@
+/*
+    * NetConfig.cpp
+    * Network configuration (static IP, gateway, etc.)
+    * Copyright (c) 2025 Daniel Hammer
+*/
+
+#include "NetConfig.hpp"
+
+namespace Net {
+
+    // QEMU user-mode networking defaults
+    static uint32_t g_ipAddress  = Ipv4Addr(10, 0, 68, 99);
+    static uint32_t g_subnetMask = Ipv4Addr(255, 255, 255, 0);
+    static uint32_t g_gateway    = Ipv4Addr(10, 0, 68, 1);
+
+    uint32_t GetIpAddress() { return g_ipAddress; }
+    void SetIpAddress(uint32_t ip) { g_ipAddress = ip; }
+
+    uint32_t GetSubnetMask() { return g_subnetMask; }
+    void SetSubnetMask(uint32_t mask) { g_subnetMask = mask; }
+
+    uint32_t GetGateway() { return g_gateway; }
+    void SetGateway(uint32_t gw) { g_gateway = gw; }
+
+    bool IsLocalSubnet(uint32_t destIp) {
+        return (destIp & g_subnetMask) == (g_ipAddress & g_subnetMask);
+    }
+
+    uint32_t GetNextHop(uint32_t destIp) {
+        if (IsLocalSubnet(destIp)) {
+            return destIp;
+        }
+        return g_gateway;
+    }
+
+}