[Issue #9] - Set network stack to enable ICMP, with a queue limit of 4

config.go.example

@@ -1,6 +1,10 @@
 package main
 
 const (
+  // Wi-Fi settings
   WifiSSID = "MyWifiNetwork"
   WifiPass = "MyWifiPassword"
+
+  // Network settings
+  EnableICMP = true
 )

network.go

@@ -117,11 +117,15 @@ func InitNetwork(ssid, pass string) (*NetworkStack, error) {
     MaxActiveTCPPorts: 2,
     MTU:               uint16(framelen - ethernet.MaxOverheadSize),
     HardwareAddress:   hwaddr,
+    ICMPQueueLimit:    4,
   })
   if err != nil {
     return nil, fmt.Errorf("stack config reset: %w", err)
   }
 
+  // Enable network pings
+  _ = stack.EnableICMP(EnableICMP)
+
   // Start background frame pump
   ctx := context.Background()
   go stackLoop(ctx, stack, adapter)