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diff --git a/‎tools/testing/selftests/drivers/net/ocelot/psfp.sh
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+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright 2021-2022 NXP
+
+# Note: On LS1028A, in lack of enough user ports, this setup requires patching
+# the device tree to use the second CPU port as a user port
+
+WAIT_TIME=1
+NUM_NETIFS=4
+STABLE_MAC_ADDRS=yes
+NETIF_CREATE=no
+lib_dir=$(dirname $0)/../../../net/forwarding
+source $lib_dir/tc_common.sh
+source $lib_dir/lib.sh
+source $lib_dir/tsn_lib.sh
+
+UDS_ADDRESS_H1="/var/run/ptp4l_h1"
+UDS_ADDRESS_SWP1="/var/run/ptp4l_swp1"
+
+# Tunables
+NUM_PKTS=1000
+STREAM_VID=100
+STREAM_PRIO=6
+# Use a conservative cycle of 10 ms to allow the test to still pass when the
+# kernel has some extra overhead like lockdep etc
+CYCLE_TIME_NS=10000000
+# Create two Gate Control List entries, one OPEN and one CLOSE, of equal
+# durations
+GATE_DURATION_NS=$((${CYCLE_TIME_NS} / 2))
+# Give 2/3 of the cycle time to user space and 1/3 to the kernel
+FUDGE_FACTOR=$((${CYCLE_TIME_NS} / 3))
+# Shift the isochron base time by half the gate time, so that packets are
+# always received by swp1 close to the middle of the time slot, to minimize
+# inaccuracies due to network sync
+SHIFT_TIME_NS=$((${GATE_DURATION_NS} / 2))
+
+h1=${NETIFS[p1]}
+swp1=${NETIFS[p2]}
+swp2=${NETIFS[p3]}
+h2=${NETIFS[p4]}
+
+H1_IPV4="192.0.2.1"
+H2_IPV4="192.0.2.2"
+H1_IPV6="2001:db8:1::1"
+H2_IPV6="2001:db8:1::2"
+
+# Chain number exported by the ocelot driver for
+# Per-Stream Filtering and Policing filters
+PSFP()
+{
+	echo 30000
+}
+
+psfp_chain_create()
+{
+	local if_name=$1
+
+	tc qdisc add dev $if_name clsact
+
+	tc filter add dev $if_name ingress chain 0 pref 49152 flower \
+		skip_sw action goto chain $(PSFP)
+}
+
+psfp_chain_destroy()
+{
+	local if_name=$1
+
+	tc qdisc del dev $if_name clsact
+}
+
+psfp_filter_check()
+{
+	local expected=$1
+	local packets=""
+	local drops=""
+	local stats=""
+
+	stats=$(tc -j -s filter show dev ${swp1} ingress chain $(PSFP) pref 1)
+	packets=$(echo ${stats} | jq ".[1].options.actions[].stats.packets")
+	drops=$(echo ${stats} | jq ".[1].options.actions[].stats.drops")
+
+	if ! [ "${packets}" = "${expected}" ]; then
+		printf "Expected filter to match on %d packets but matched on %d instead\n" \
+			"${expected}" "${packets}"
+	fi
+
+	echo "Hardware filter reports ${drops} drops"
+}
+
+h1_create()
+{
+	simple_if_init $h1 $H1_IPV4/24 $H1_IPV6/64
+}
+
+h1_destroy()
+{
+	simple_if_fini $h1 $H1_IPV4/24 $H1_IPV6/64
+}
+
+h2_create()
+{
+	simple_if_init $h2 $H2_IPV4/24 $H2_IPV6/64
+}
+
+h2_destroy()
+{
+	simple_if_fini $h2 $H2_IPV4/24 $H2_IPV6/64
+}
+
+switch_create()
+{
+	local h2_mac_addr=$(mac_get $h2)
+
+	ip link set ${swp1} up
+	ip link set ${swp2} up
+
+	ip link add br0 type bridge vlan_filtering 1
+	ip link set ${swp1} master br0
+	ip link set ${swp2} master br0
+	ip link set br0 up
+
+	bridge vlan add dev ${swp2} vid ${STREAM_VID}
+	bridge vlan add dev ${swp1} vid ${STREAM_VID}
+	# PSFP on Ocelot requires the filter to also be added to the bridge
+	# FDB, and not be removed
+	bridge fdb add dev ${swp2} \
+		${h2_mac_addr} vlan ${STREAM_VID} static master
+
+	psfp_chain_create ${swp1}
+
+	tc filter add dev ${swp1} ingress chain $(PSFP) pref 1 \
+		protocol 802.1Q flower skip_sw \
+		dst_mac ${h2_mac_addr} vlan_id ${STREAM_VID} \
+		action gate base-time 0.000000000 \
+		sched-entry OPEN  ${GATE_DURATION_NS} -1 -1 \
+		sched-entry CLOSE ${GATE_DURATION_NS} -1 -1
+}
+
+switch_destroy()
+{
+	psfp_chain_destroy ${swp1}
+	ip link del br0
+}
+
+txtime_setup()
+{
+	local if_name=$1
+
+	tc qdisc add dev ${if_name} clsact
+	# Classify PTP on TC 7 and isochron on TC 6
+	tc filter add dev ${if_name} egress protocol 0x88f7 \
+		flower action skbedit priority 7
+	tc filter add dev ${if_name} egress protocol 802.1Q \
+		flower vlan_ethtype 0xdead action skbedit priority 6
+	tc qdisc add dev ${if_name} handle 100: parent root mqprio num_tc 8 \
+		queues 1@0 1@1 1@2 1@3 1@4 1@5 1@6 1@7 \
+		map 0 1 2 3 4 5 6 7 \
+		hw 1
+	# Set up TC 6 for SO_TXTIME. tc-mqprio queues count from 1.
+	tc qdisc replace dev ${if_name} parent 100:$((${STREAM_PRIO} + 1)) etf \
+		clockid CLOCK_TAI offload delta ${FUDGE_FACTOR}
+}
+
+txtime_cleanup()
+{
+	local if_name=$1
+
+	tc qdisc del dev ${if_name} root
+	tc qdisc del dev ${if_name} clsact
+}
+
+setup_prepare()
+{
+	vrf_prepare
+
+	h1_create
+	h2_create
+	switch_create
+
+	txtime_setup ${h1}
+
+	# Set up swp1 as a master PHC for h1, synchronized to the local
+	# CLOCK_REALTIME.
+	phc2sys_start ${swp1} ${UDS_ADDRESS_SWP1}
+
+	# Assumption true for LS1028A: h1 and h2 use the same PHC. So by
+	# synchronizing h1 to swp1 via PTP, h2 is also implicitly synchronized
+	# to swp1 (and both to CLOCK_REALTIME).
+	ptp4l_start ${h1} true ${UDS_ADDRESS_H1}
+	ptp4l_start ${swp1} false ${UDS_ADDRESS_SWP1}
+
+	# Make sure there are no filter matches at the beginning of the test
+	psfp_filter_check 0
+}
+
+cleanup()
+{
+	pre_cleanup
+
+	ptp4l_stop ${swp1}
+	ptp4l_stop ${h1}
+	phc2sys_stop
+	isochron_recv_stop
+
+	txtime_cleanup ${h1}
+
+	h2_destroy
+	h1_destroy
+	switch_destroy
+
+	vrf_cleanup
+}
+
+debug_incorrectly_dropped_packets()
+{
+	local isochron_dat=$1
+	local dropped_seqids
+	local seqid
+
+	echo "Packets incorrectly dropped:"
+
+	dropped_seqids=$(isochron report \
+		--input-file "${isochron_dat}" \
+		--printf-format "%u RX hw %T\n" \
+		--printf-args "qR" | \
+		grep 'RX hw 0.000000000' | \
+		awk '{print $1}')
+
+	for seqid in ${dropped_seqids}; do
+		isochron report \
+			--input-file "${isochron_dat}" \
+			--start ${seqid} --stop ${seqid} \
+			--printf-format "seqid %u scheduled for %T, HW TX timestamp %T\n" \
+			--printf-args "qST"
+	done
+}
+
+debug_incorrectly_received_packets()
+{
+	local isochron_dat=$1
+
+	echo "Packets incorrectly received:"
+
+	isochron report \
+		--input-file "${isochron_dat}" \
+		--printf-format "seqid %u scheduled for %T, HW TX timestamp %T, HW RX timestamp %T\n" \
+		--printf-args "qSTR" |
+		grep -v 'HW RX timestamp 0.000000000'
+}
+
+run_test()
+{
+	local base_time=$1
+	local expected=$2
+	local test_name=$3
+	local debug=$4
+	local isochron_dat="$(mktemp)"
+	local extra_args=""
+	local received
+
+	isochron_do \
+		"${h1}" \
+		"${h2}" \
+		"${UDS_ADDRESS_H1}" \
+		"" \
+		"${base_time}" \
+		"${CYCLE_TIME_NS}" \
+		"${SHIFT_TIME_NS}" \
+		"${NUM_PKTS}" \
+		"${STREAM_VID}" \
+		"${STREAM_PRIO}" \
+		"" \
+		"${isochron_dat}"
+
+	# Count all received packets by looking at the non-zero RX timestamps
+	received=$(isochron report \
+		--input-file "${isochron_dat}" \
+		--printf-format "%u\n" --printf-args "R" | \
+		grep -w -v '0' | wc -l)
+
+	if [ "${received}" = "${expected}" ]; then
+		RET=0
+	else
+		RET=1
+		echo "Expected isochron to receive ${expected} packets but received ${received}"
+	fi
+
+	log_test "${test_name}"
+
+	if [ "$RET" = "1" ]; then
+		${debug} "${isochron_dat}"
+	fi
+
+	rm ${isochron_dat} 2> /dev/null
+}
+
+test_gate_in_band()
+{
+	# Send packets in-band with the OPEN gate entry
+	run_test 0.000000000 ${NUM_PKTS} "In band" \
+		debug_incorrectly_dropped_packets
+
+	psfp_filter_check ${NUM_PKTS}
+}
+
+test_gate_out_of_band()
+{
+	# Send packets in-band with the CLOSE gate entry
+	run_test 0.005000000 0 "Out of band" \
+		debug_incorrectly_received_packets
+
+	psfp_filter_check $((2 * ${NUM_PKTS}))
+}
+
+trap cleanup EXIT
+
+ALL_TESTS="
+	test_gate_in_band
+	test_gate_out_of_band
+"
+
+setup_prepare
+setup_wait
+
+tests_run
+
+exit $EXIT_STATUS