v6.15

+ dietpi-disable_offload: https://github.com/Fourdee/DietPi/issues/2028#issue-352323603

rootfs/etc/network/if-up.d/dietpi-disable_offload

@@ -0,0 +1,53 @@
+#!/bin/bash
+{
+	#////////////////////////////////////
+	# dietpi-disable_offload
+	#
+	#////////////////////////////////////
+	# Created by Daniel Knight
+	# Based on original fix & code by @carlosedp: https://github.com/Fourdee/DietPi/issues/2028#issue-352323603
+	#
+	#////////////////////////////////////
+	#
+	# Info:
+	# - Sets TCP/UDP offloading disabled for the required devices, which are prone to retransmissions and reset errors.
+	# - Currently known: RK3399/rock64
+	#
+	# Exit codes:
+	# - 1=failure
+	#	ethtool does not exist
+	#	Failed to set ethtool to flagged devices
+	# - 0=ok
+	#
+	#////////////////////////////////////
+
+	#///////////////////////////////////////////////////////////////////////////////////
+	# Globals
+	#///////////////////////////////////////////////////////////////////////////////////
+	CMD=$(which ethtool)
+	EXIT_CODE=1
+
+	#///////////////////////////////////////////////////////////////////////////////////
+	# Main Loop
+	#///////////////////////////////////////////////////////////////////////////////////
+	#-----------------------------------------------------------------------------------
+	#Ethtool exists?
+	if [[ $CMD ]]; then
+
+		EXIT_CODE=0 #Set success for all devices by default
+
+		if [[ -d /sys/devices/platform/fe300000.ethernet/net/$IFACE ||
+			-d /sys/devices/platform/ff540000.eth/net/$IFACE ||
+			-d /sys/devices/platform/ff540000.ethernet/net/$IFACE ]]; then
+
+			$CMD -K $IFACE rx off tx off
+			EXIT_CODE=$? #Update exit code once applied
+
+		fi
+
+	fi
+	#-----------------------------------------------------------------------------------
+	exit $EXIT_CODE
+	#-----------------------------------------------------------------------------------
+
+}