From a23507b2ca7694e364cd8975435f2c5f715f29c1 Mon Sep 17 00:00:00 2001
From: Gregory Ballantine <gballantine@metaunix.net>
Date: Sat, 12 Sep 2026 01:58:24 -0400
Subject: [PATCH] [Issue #6] - added config option to enable/disable icmp
 packets

---
 config.go.example | 3 +++
 network.go        | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/config.go.example b/config.go.example
index 9e130e8..d1ad6cf 100644
--- a/config.go.example
+++ b/config.go.example
@@ -8,6 +8,9 @@ const (
 	WifiSSID = "My Wifi Name"
 	WifiPass = "SecretWifiPassword"
 
+	// Networking settings
+	EnableICMP = true
+
 	MQTTHost = "192.168.1.50" // Must be an IP address; DNS resolution is not supported currently
 	MQTTPort = "1883"
 	MQTTUser = "" // Leave empty if not required
diff --git a/network.go b/network.go
index 979e43a..44aac91 100644
--- a/network.go
+++ b/network.go
@@ -120,11 +120,15 @@ 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 if configured
+  _ = stack.EnableICMP(EnableICMP)
+
 	// Start background frame pump
 	ctx := context.Background()
 	go stackLoop(ctx, stack, adapter)