diff --git a/file/init.sh b/file/init.sh
new file mode 100644
index 0000000..4873902
--- /dev/null
+++ b/file/init.sh
@@ -0,0 +1,288 @@
+#!/bin/sh
+# based on https://github.com/6ang996/istoreos-rk356x/blob/rk356x/target/linux/rk356x/armv8/base-files/etc/init.d/rename_iface
+
+. /lib/functions.sh
+
+NPROCS="$(grep -c "^processor.*:" /proc/cpuinfo)"
+PROC_MASK="$(( (1 << $NPROCS) - 1 ))"
+PROC_MASK="$(printf %x "$PROC_MASK")"
+
+rename_iface() {
+	ip link set $1 down && ip link set $1 name $2
+}
+
+get_iface_device() {
+	basename $(readlink /sys/class/net/$1/device)
+}
+
+set_iface_cpumask() {
+	local core_mask="$1"
+	local interface="$2"
+	local device="$3"
+	local irq
+	local seconds
+	local mq
+	local q
+	local queue_mask=$(( 0x${PROC_MASK} ^ 0x${core_mask} ))
+	queue_mask="$(printf %x "$queue_mask")"
+	local mq_mask="$4"
+
+	[[ -d "/sys/class/net/${interface}" ]] || return 1
+
+	[[ -n "${device}" && "${device}" = "${interface}-*" ]] && mq=1
+
+	[[ -z "${mq}" || "${device}" = "${interface}-0" ]] && ip link set dev "${interface}" up
+
+	[[ -z "${device}" ]] && device="$interface"
+
+	for seconds in $(seq 0 1); do
+		irq=$(grep -m1 " ${device}\$" /proc/interrupts | sed -n -e 's/^ *\([^ :]\+\):.*$/\1/p')
+		if [ -n "${irq}" ]; then
+			echo "${core_mask}" > /proc/irq/${irq}/smp_affinity
+			if [[ -z "${mq}" ]]; then
+				echo "${queue_mask}" > /sys/class/net/$interface/queues/rx-0/rps_cpus
+				echo "${queue_mask}" > /sys/class/net/$interface/queues/tx-0/xps_cpus
+			elif [[ "${device}" = "${interface}-0" ]]; then
+				[[ -n "$mq_mask" ]] || mq_mask="${queue_mask}"
+				for q in /sys/class/net/$interface/queues/rx-*; do
+					echo "$mq_mask" > "$q/rps_cpus"
+				done
+				# for q in /sys/class/net/$interface/queues/tx-*; do
+				#     echo "$mq_mask" > "$q/xps_cpus"
+				# done
+			fi
+			return 0
+		fi
+		sleep 1
+	done
+	return 1
+}
+
+board_fixup_iface_name() {
+	local device
+	case $(board_name) in
+	friendlyelec,nanopi-r5c|\
+	fastrhino,r66s)
+		device="$(get_iface_device eth0)"
+		if [[ "$device" = "0001:11:00.0" ]]; then
+			rename_iface eth0 lan1
+			rename_iface eth1 eth0
+			rename_iface lan1 eth1
+		fi
+		;;
+	easepi,ars4|\
+	jsy,h1|\
+	hinlink,hnas|\
+	hinlink,opc-h66k)
+		device="$(get_iface_device eth1)"
+		if [[ "$device" = "0001:11:00.0" ]]; then
+			rename_iface eth0 lan1
+			rename_iface eth1 eth0
+			rename_iface lan1 eth1
+		fi
+		;;
+	lyt,t68m|\
+	fastrhino,r68s)
+		device="$(get_iface_device eth0)"
+		if [[ "$device" = "fe010000.ethernet" ]]; then
+			rename_iface eth0 wan
+			rename_iface eth1 eth0
+			rename_iface wan eth1
+		fi
+		device="$(get_iface_device eth3)"
+		if [[ "$device" = "0002:21:00.0" ]]; then
+			rename_iface eth2 lan3
+			rename_iface eth3 eth2
+			rename_iface lan3 eth3
+		fi
+		;;
+	firefly,rk3568-roc-pc)
+		device="$(get_iface_device eth0)"
+		if [[ "$device" = "fe010000.ethernet" ]]; then
+			rename_iface eth0 wan
+			rename_iface eth1 eth0
+			rename_iface wan eth1
+		fi
+		;;
+	friendlyelec,nanopi-r5s)
+		device="$(get_iface_device eth2)"
+		# r5s lan1 is under pcie2x1
+		if [[ "$device" = "0000:01:00.0" ]]; then
+			rename_iface eth1 lan2
+			rename_iface eth2 eth1
+			rename_iface lan2 eth2
+		fi
+		;;
+	hinlink,opc-h68k)
+		device="$(get_iface_device eth1)"
+		if [[ "$device" = "fe010000.ethernet" ]]; then
+			rename_iface eth0 wan
+			rename_iface eth1 eth0
+			rename_iface wan eth1
+		fi
+		device="$(get_iface_device eth3)"
+		if [[ "$device" = "0001:11:00.0" ]]; then
+			rename_iface eth2 lan3
+			rename_iface eth3 eth2
+			rename_iface lan3 eth3
+		fi
+		;;
+	hinlink,opc-h69k)
+		device="$(get_iface_device eth2)"
+		if [[ "$device" = "0001:11:00.0" ]]; then
+			rename_iface eth1 lan2
+			rename_iface eth2 eth1
+			rename_iface lan2 eth2
+		fi
+		;;
+	hinlink,h88k-v3|\
+	friendlyelec,nanopi-r6s)
+		device="$(get_iface_device eth1)"
+		if [[ "$device" = "0004:41:00.0" ]]; then
+			rename_iface eth1 lan2
+			rename_iface eth2 eth1
+			rename_iface lan2 eth2
+		fi
+		;;
+	armsom,sige7-v1)
+		device="$(get_iface_device eth1)"
+		if [[ "$device" = "0004:41:00.0" ]]; then
+			rename_iface eth1 wan
+			rename_iface eth0 eth1
+			rename_iface wan eth0
+		fi
+		;;
+	esac
+}
+
+board_set_iface_smp_affinity() {
+	case $(board_name) in
+	firefly,rk3568-roc-pc)
+		set_iface_cpumask 2 eth0
+		set_iface_cpumask 4 eth1
+		;;
+	hinlink,opc-h69k|\
+	friendlyelec,nanopi-r5s)
+		set_iface_cpumask 2 eth0
+		if ethtool -i eth1 | grep -Fq 'driver: r8169'; then
+			set_iface_cpumask 4 "eth1"
+			set_iface_cpumask 8 "eth2"
+		else
+			set_iface_cpumask 4 "eth1" "eth1-0" && \
+			set_iface_cpumask 4 "eth1" "eth1-16" && \
+			set_iface_cpumask 2 "eth1" "eth1-18" && \
+			set_iface_cpumask 8 "eth2" "eth2-0" && \
+			set_iface_cpumask 8 "eth2" "eth2-18" && \
+			set_iface_cpumask 1 "eth2" "eth2-16"
+		fi
+		;;
+	lyt,t68m|\
+	fastrhino,r68s|\
+	hinlink,opc-h68k)
+		set_iface_cpumask 1 "eth0"
+		set_iface_cpumask 2 "eth1"
+		if ethtool -i eth2 | grep -Fq 'driver: r8169'; then
+			set_iface_cpumask 4 "eth2"
+			set_iface_cpumask 8 "eth3"
+		else
+			set_iface_cpumask 4 "eth2" "eth2-0" && \
+			set_iface_cpumask 4 "eth2" "eth2-16" && \
+			set_iface_cpumask 2 "eth2" "eth2-18" && \
+			set_iface_cpumask 8 "eth3" "eth3-0" && \
+			set_iface_cpumask 8 "eth3" "eth3-18" && \
+			set_iface_cpumask 1 "eth3" "eth3-16"
+		fi
+		;;
+	jsy,h1|\
+	yyy,h1|\
+	easepi,ars4|\
+	friendlyelec,nanopi-r5c|\
+	fastrhino,r66s|\
+	hinlink,hnas|\
+	hinlink,opc-h66k)
+		if ethtool -i eth0 | grep -Fq 'driver: r8169'; then
+			set_iface_cpumask 4 "eth0"
+			set_iface_cpumask 8 "eth1"
+		else
+			set_iface_cpumask 2 "eth0" "eth0-0" && \
+			set_iface_cpumask 2 "eth0" "eth0-16" && \
+			set_iface_cpumask 8 "eth0" "eth0-18" && \
+			set_iface_cpumask 4 "eth1" "eth1-0" && \
+			set_iface_cpumask 4 "eth1" "eth1-18" && \
+			set_iface_cpumask 1 "eth1" "eth1-16"
+		fi
+		;;
+	armsom,sige7-v1|\
+	friendlyelec,nanopi-r6s|\
+	friendlyelec,nanopi-r6c)
+		set_iface_cpumask 2 eth0
+		if ethtool -i eth1 | grep -Fq 'driver: r8169'; then
+			set_iface_cpumask 4 "eth1"
+			set_iface_cpumask 8 "eth2"
+		else
+			set_iface_cpumask 4 "eth1" "eth1-0" f0 && \
+			set_iface_cpumask 4 "eth1" "eth1-16" && \
+			set_iface_cpumask 2 "eth1" "eth1-18" && \
+			set_iface_cpumask 8 "eth2" "eth2-0" f0 && \
+			set_iface_cpumask 8 "eth2" "eth2-18" && \
+			set_iface_cpumask 1 "eth2" "eth2-16"
+		fi
+		;;
+	hinlink,h88k-*|\
+	hinlink,h88k)
+		set_iface_cpumask 2 eth0
+		if ethtool -i eth1 | grep -Fq 'driver: r8169'; then
+			set_iface_cpumask 4 "eth1"
+			set_iface_cpumask 8 "eth2" && \
+			set_iface_cpumask 10 "eth3" && \
+			set_iface_cpumask 20 "eth4"
+		else
+			set_iface_cpumask 4 "eth1" "eth1-0" f0 && \
+			set_iface_cpumask 4 "eth1" "eth1-16" && \
+			set_iface_cpumask 2 "eth1" "eth1-18" && \
+			set_iface_cpumask 8 "eth2" "eth2-0" f0 && \
+			set_iface_cpumask 8 "eth2" "eth2-18" && \
+			set_iface_cpumask 1 "eth2" "eth2-16" && \
+			set_iface_cpumask 10 "eth3" "eth3-0" f0 && \
+			set_iface_cpumask 10 "eth3" "eth3-16" && \
+			set_iface_cpumask 8 "eth3" "eth3-18" && \
+			set_iface_cpumask 20 "eth4" "eth4-0" f0 && \
+			set_iface_cpumask 20 "eth4" "eth4-18" && \
+			set_iface_cpumask 4 "eth4" "eth4-16"
+		fi
+		;;
+	hlink,h28k)
+		set_iface_cpumask 5 eth0
+		set_iface_cpumask b eth1
+		;;
+	ynn,nas|\
+	jp,tvbox|\
+	panther,x2|\
+	hsa,bh2)
+		set_iface_cpumask 2 "eth0"
+		;;
+	esac
+}
+
+board_wait_wifi() {
+	local seconds
+	[[ -f "/etc/uci-defaults/01-rk35xx-wifi" ]] || return 0
+	case $(board_name) in
+	hinlink,h88k-*|\
+	hinlink,h88k|\
+	hinlink,opc-h68k|\
+	hinlink,opc-h69k)
+		for seconds in $(seq 0 30); do
+			[[ -s /etc/config/wireless ]] && break
+			sleep 1
+		done
+		sleep 1
+	;;
+	esac
+}
+
+board_fixup_iface_name
+
+board_set_iface_smp_affinity
+
+board_wait_wifi