feat: wi-fi - expand support and fix issues, add GUI components

kernel/src/Api/Net.hpp

@@ -160,6 +160,38 @@ namespace montauk::abi {
         }
     }
 
+    // List the registered link-layer interfaces.  The panel needs this to keep
+    // wired and wireless status apart: the IP configuration is global, so the
+    // only way to say which interface owns it is `active`.
+    static int Sys_NetIfs(NetIfInfo* out, int maxCount) {
+        if (out == nullptr || maxCount <= 0) return -1;
+
+        const auto* active = ::Net::NetIf::Active();
+        int count = ::Net::NetIf::Count();
+        int n = 0;
+
+        for (int i = 0; i < count && n < maxCount; i++) {
+            const auto* iface = ::Net::NetIf::At(i);
+            if (iface == nullptr) continue;
+
+            NetIfInfo& info = out[n];
+            for (uint64_t k = 0; k < sizeof(info.name); k++) info.name[k] = '\0';
+            for (uint64_t k = 0; k + 1 < sizeof(info.name) && iface->Name && iface->Name[k]; k++)
+                info.name[k] = iface->Name[k];
+
+            const uint8_t* mac = iface->GetMac ? iface->GetMac() : nullptr;
+            for (int k = 0; k < 6; k++) info.mac[k] = mac ? mac[k] : 0;
+
+            info.kind = iface->Type == ::Net::NetIf::Kind::Wireless
+                        ? NETIF_KIND_WIRELESS : NETIF_KIND_ETHERNET;
+            info.linkUp = (iface->IsLinkUp && iface->IsLinkUp()) ? 1 : 0;
+            info.active = iface == active ? 1 : 0;
+            info._pad[0] = info._pad[1] = info._pad[2] = 0;
+            n++;
+        }
+        return n;
+    }
+
     static int Sys_SetNetCfg(const NetCfg* in) {
         if (in == nullptr) return -1;
         Net::SetIpAddress(in->ipAddress);