diff --git a/src/packages/fff/fff-network/files/lib/functions/fff/cpuport b/src/packages/fff/fff-network/files/lib/functions/fff/cpuport
new file mode 100644
index 0000000000000000000000000000000000000000..b27b775fa1cccaec1714163fd4049cba7a6b03e7
--- /dev/null
+++ b/src/packages/fff/fff-network/files/lib/functions/fff/cpuport
@@ -0,0 +1,34 @@
+# Copyright 2019 Adrian Schmutzler
+# License GPLv3
+
+BOARD="$(uci get board.model.name)"
+
+case "$BOARD" in
+	tl-wr1043nd-v1)
+		CPUPORT="5t"
+		;;
+	tl-wr1043nd-v2|\
+	tl-wr1043nd-v3)
+		CPUPORT="6t"
+		;;
+	cpe210-v2|\
+	cpe210-v3|\
+	tl-mr3020-v1|\
+	tl-wa850re-v1|\
+	tl-wa860re-v1|\
+	tl-wa901nd-v2|\
+	ubnt-bullet-m|\
+	ubnt-loco-m|\
+	ubnt-loco-m-xw|\
+	ubnt-nano-m|\
+	ubnt-pico-m|\
+	ubnt-power-m-xw|\
+	ubnt-unifi|\
+	ubnt-unifiac-lite|\
+	ubnt-unifiac-mesh)
+		CPUPORT=""
+		;;
+	*)
+		CPUPORT="0t"
+		;;
+esac