From b190567aa14336197eee4a246206c353fb488c1e Mon Sep 17 00:00:00 2001
From: PartialVolume <22084881+PartialVolume@users.noreply.github.com>
Date: Fri, 5 Dec 2025 20:00:19 +0000
Subject: [PATCH] Add kernel command line flags, nonet and shredos_nonet that
 disable the network

---
 board/shredos/fsoverlay/usr/bin/shredos_net.sh | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/board/shredos/fsoverlay/usr/bin/shredos_net.sh b/board/shredos/fsoverlay/usr/bin/shredos_net.sh
index 03eefe65ea..6ed2916b99 100644
--- a/board/shredos/fsoverlay/usr/bin/shredos_net.sh
+++ b/board/shredos/fsoverlay/usr/bin/shredos_net.sh
@@ -13,6 +13,15 @@ ifdown -f -a
 # Bring up loopback device
 ifup lo
 
+# ------------------------------------------------------------
+# Option: completely disable networking
+# Kernel cmdline flags: "nonet" or "shredos_nonet"
+# ------------------------------------------------------------
+if grep -Eq '(^| )nonet(=| |$)|(^| )shredos_nonet(=| |$)' /proc/cmdline 2>/dev/null; then
+    echo "[INFO] Network disabled via kernel cmdline (nonet/shredos_nonet)."
+    exit 0
+fi
+
 # delete the existing non populated interfaces file
 rm /etc/network/interfaces