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-rwxr-xr-xtools/testing/selftests/drivers/net/ocelot/basic_qos.sh253
-rwxr-xr-xtools/testing/selftests/drivers/net/ocelot/psfp.sh327
-rwxr-xr-xtools/testing/selftests/drivers/net/ocelot/tc_flower_chains.sh352
3 files changed, 932 insertions, 0 deletions
diff --git a/tools/testing/selftests/drivers/net/ocelot/basic_qos.sh b/tools/testing/selftests/drivers/net/ocelot/basic_qos.sh
new file mode 100755
index 000000000..c51c83421
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/ocelot/basic_qos.sh
@@ -0,0 +1,253 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright 2022 NXP
+
+# The script is mostly generic, with the exception of the
+# ethtool per-TC counter names ("rx_green_prio_${tc}")
+
+WAIT_TIME=1
+NUM_NETIFS=4
+STABLE_MAC_ADDRS=yes
+NETIF_CREATE=no
+lib_dir=$(dirname $0)/../../../net/forwarding
+source $lib_dir/tc_common.sh
+source $lib_dir/lib.sh
+
+require_command dcb
+
+h1=${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"
+
+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
+}
+
+h1_vlan_create()
+{
+ local vid=$1
+
+ vlan_create $h1 $vid
+ simple_if_init $h1.$vid $H1_IPV4/24 $H1_IPV6/64
+ ip link set $h1.$vid type vlan \
+ egress-qos-map 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7 \
+ ingress-qos-map 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7
+}
+
+h1_vlan_destroy()
+{
+ local vid=$1
+
+ simple_if_fini $h1.$vid $H1_IPV4/24 $H1_IPV6/64
+ vlan_destroy $h1 $vid
+}
+
+h2_vlan_create()
+{
+ local vid=$1
+
+ vlan_create $h2 $vid
+ simple_if_init $h2.$vid $H2_IPV4/24 $H2_IPV6/64
+ ip link set $h2.$vid type vlan \
+ egress-qos-map 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7 \
+ ingress-qos-map 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7
+}
+
+h2_vlan_destroy()
+{
+ local vid=$1
+
+ simple_if_fini $h2.$vid $H2_IPV4/24 $H2_IPV6/64
+ vlan_destroy $h2 $vid
+}
+
+vlans_prepare()
+{
+ h1_vlan_create 100
+ h2_vlan_create 100
+
+ tc qdisc add dev ${h1}.100 clsact
+ tc filter add dev ${h1}.100 egress protocol ipv4 \
+ flower ip_proto icmp action skbedit priority 3
+ tc filter add dev ${h1}.100 egress protocol ipv6 \
+ flower ip_proto icmpv6 action skbedit priority 3
+}
+
+vlans_destroy()
+{
+ tc qdisc del dev ${h1}.100 clsact
+
+ h1_vlan_destroy 100
+ h2_vlan_destroy 100
+}
+
+switch_create()
+{
+ ip link set ${swp1} up
+ ip link set ${swp2} up
+
+ # Ports should trust VLAN PCP even with vlan_filtering=0
+ ip link add br0 type bridge
+ ip link set ${swp1} master br0
+ ip link set ${swp2} master br0
+ ip link set br0 up
+}
+
+switch_destroy()
+{
+ ip link del br0
+}
+
+setup_prepare()
+{
+ vrf_prepare
+
+ h1_create
+ h2_create
+ switch_create
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ h2_destroy
+ h1_destroy
+ switch_destroy
+
+ vrf_cleanup
+}
+
+dscp_cs_to_tos()
+{
+ local dscp_cs=$1
+
+ # https://datatracker.ietf.org/doc/html/rfc2474
+ # 4.2.2.1 The Class Selector Codepoints
+ echo $((${dscp_cs} << 5))
+}
+
+run_test()
+{
+ local test_name=$1; shift
+ local if_name=$1; shift
+ local tc=$1; shift
+ local tos=$1; shift
+ local counter_name="rx_green_prio_${tc}"
+ local ipv4_before
+ local ipv4_after
+ local ipv6_before
+ local ipv6_after
+
+ ipv4_before=$(ethtool_stats_get ${swp1} "${counter_name}")
+ ping_do ${if_name} $H2_IPV4 "-Q ${tos}"
+ ipv4_after=$(ethtool_stats_get ${swp1} "${counter_name}")
+
+ if [ $((${ipv4_after} - ${ipv4_before})) -lt ${PING_COUNT} ]; then
+ RET=1
+ else
+ RET=0
+ fi
+ log_test "IPv4 ${test_name}"
+
+ ipv6_before=$(ethtool_stats_get ${swp1} "${counter_name}")
+ ping_do ${if_name} $H2_IPV6 "-Q ${tos}"
+ ipv6_after=$(ethtool_stats_get ${swp1} "${counter_name}")
+
+ if [ $((${ipv6_after} - ${ipv6_before})) -lt ${PING_COUNT} ]; then
+ RET=1
+ else
+ RET=0
+ fi
+ log_test "IPv6 ${test_name}"
+}
+
+port_default_prio_get()
+{
+ local if_name=$1
+ local prio
+
+ prio="$(dcb -j app show dev ${if_name} default-prio | \
+ jq '.default_prio[]')"
+ if [ -z "${prio}" ]; then
+ prio=0
+ fi
+
+ echo ${prio}
+}
+
+test_port_default()
+{
+ local orig=$(port_default_prio_get ${swp1})
+ local dmac=$(mac_get ${h2})
+
+ dcb app replace dev ${swp1} default-prio 5
+
+ run_test "Port-default QoS classification" ${h1} 5 0
+
+ dcb app replace dev ${swp1} default-prio ${orig}
+}
+
+test_vlan_pcp()
+{
+ vlans_prepare
+
+ run_test "Trusted VLAN PCP QoS classification" ${h1}.100 3 0
+
+ vlans_destroy
+}
+
+test_ip_dscp()
+{
+ local port_default=$(port_default_prio_get ${swp1})
+ local tos=$(dscp_cs_to_tos 4)
+
+ dcb app add dev ${swp1} dscp-prio CS4:4
+ run_test "Trusted DSCP QoS classification" ${h1} 4 ${tos}
+ dcb app del dev ${swp1} dscp-prio CS4:4
+
+ vlans_prepare
+ run_test "Untrusted DSCP QoS classification follows VLAN PCP" \
+ ${h1}.100 3 ${tos}
+ vlans_destroy
+
+ run_test "Untrusted DSCP QoS classification follows port default" \
+ ${h1} ${port_default} ${tos}
+}
+
+trap cleanup EXIT
+
+ALL_TESTS="
+ test_port_default
+ test_vlan_pcp
+ test_ip_dscp
+"
+
+setup_prepare
+setup_wait
+
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/drivers/net/ocelot/psfp.sh b/tools/testing/selftests/drivers/net/ocelot/psfp.sh
new file mode 100755
index 000000000..bed748dde
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/ocelot/psfp.sh
@@ -0,0 +1,327 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright 2021-2022 NXP
+
+# Note: On LS1028A, in lack of enough user ports, this setup requires patching
+# the device tree to use the second CPU port as a user port
+
+WAIT_TIME=1
+NUM_NETIFS=4
+STABLE_MAC_ADDRS=yes
+NETIF_CREATE=no
+lib_dir=$(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 ${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 $EXIT_STATUS
diff --git a/tools/testing/selftests/drivers/net/ocelot/tc_flower_chains.sh b/tools/testing/selftests/drivers/net/ocelot/tc_flower_chains.sh
new file mode 100755
index 000000000..aff0a59f9
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/ocelot/tc_flower_chains.sh
@@ -0,0 +1,352 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright 2020 NXP
+
+WAIT_TIME=1
+NUM_NETIFS=4
+STABLE_MAC_ADDRS=yes
+lib_dir=$(dirname $0)/../../../net/forwarding
+source $lib_dir/tc_common.sh
+source $lib_dir/lib.sh
+
+require_command tcpdump
+
+h1=${NETIFS[p1]}
+swp1=${NETIFS[p2]}
+swp2=${NETIFS[p3]}
+h2=${NETIFS[p4]}
+
+# Helpers to map a VCAP IS1 and VCAP IS2 lookup and policy to a chain number
+# used by the kernel driver. The numbers are:
+# VCAP IS1 lookup 0: 10000
+# VCAP IS1 lookup 1: 11000
+# VCAP IS1 lookup 2: 12000
+# VCAP IS2 lookup 0 policy 0: 20000
+# VCAP IS2 lookup 0 policy 1: 20001
+# VCAP IS2 lookup 0 policy 255: 20255
+# VCAP IS2 lookup 1 policy 0: 21000
+# VCAP IS2 lookup 1 policy 1: 21001
+# VCAP IS2 lookup 1 policy 255: 21255
+IS1()
+{
+ local lookup=$1
+
+ echo $((10000 + 1000 * lookup))
+}
+
+IS2()
+{
+ local lookup=$1
+ local pag=$2
+
+ echo $((20000 + 1000 * lookup + pag))
+}
+
+ES0()
+{
+ echo 0
+}
+
+# The Ocelot switches have a fixed ingress pipeline composed of:
+#
+# +----------------------------------------------+ +-----------------------------------------+
+# | VCAP IS1 | | VCAP IS2 |
+# | | | |
+# | +----------+ +----------+ +----------+ | | +----------+ +----------+ |
+# | | Lookup 0 | | Lookup 1 | | Lookup 2 | | --+------> PAG 0: | Lookup 0 | -> | Lookup 1 | |
+# | +----------+ -> +----------+ -> +----------+ | | | +----------+ +----------+ |
+# | |key&action| |key&action| |key&action| | | | |key&action| |key&action| |
+# | |key&action| |key&action| |key&action| | | | | .. | | .. | |
+# | | .. | | .. | | .. | | | | +----------+ +----------+ |
+# | +----------+ +----------+ +----------+ | | | |
+# | selects PAG | | | +----------+ +----------+ |
+# +----------------------------------------------+ +------> PAG 1: | Lookup 0 | -> | Lookup 1 | |
+# | | +----------+ +----------+ |
+# | | |key&action| |key&action| |
+# | | | .. | | .. | |
+# | | +----------+ +----------+ |
+# | | ... |
+# | | |
+# | | +----------+ +----------+ |
+# +----> PAG 254: | Lookup 0 | -> | Lookup 1 | |
+# | | +----------+ +----------+ |
+# | | |key&action| |key&action| |
+# | | | .. | | .. | |
+# | | +----------+ +----------+ |
+# | | |
+# | | +----------+ +----------+ |
+# +----> PAG 255: | Lookup 0 | -> | Lookup 1 | |
+# | +----------+ +----------+ |
+# | |key&action| |key&action| |
+# | | .. | | .. | |
+# | +----------+ +----------+ |
+# +-----------------------------------------+
+#
+# Both the VCAP IS1 (Ingress Stage 1) and IS2 (Ingress Stage 2) are indexed
+# (looked up) multiple times: IS1 3 times, and IS2 2 times. Each filter
+# (key and action pair) can be configured to only match during the first, or
+# second, etc, lookup.
+#
+# During one TCAM lookup, the filter processing stops at the first entry that
+# matches, then the pipeline jumps to the next lookup.
+# The driver maps each individual lookup of each individual ingress TCAM to a
+# separate chain number. For correct rule offloading, it is mandatory that each
+# filter installed in one TCAM is terminated by a non-optional GOTO action to
+# the next lookup from the fixed pipeline.
+#
+# A chain can only be used if there is a GOTO action correctly set up from the
+# prior lookup in the processing pipeline. Setting up all chains is not
+# mandatory.
+
+# NOTE: VCAP IS1 currently uses only S1_NORMAL half keys and VCAP IS2
+# dynamically chooses between MAC_ETYPE, ARP, IP4_TCP_UDP, IP4_OTHER, which are
+# all half keys as well.
+
+create_tcam_skeleton()
+{
+ local eth=$1
+
+ tc qdisc add dev $eth clsact
+
+ # VCAP IS1 is the Ingress Classification TCAM and can offload the
+ # following actions:
+ # - skbedit priority
+ # - vlan pop
+ # - vlan modify
+ # - goto (only in lookup 2, the last IS1 lookup)
+ tc filter add dev $eth ingress chain 0 pref 49152 flower \
+ skip_sw action goto chain $(IS1 0)
+ tc filter add dev $eth ingress chain $(IS1 0) pref 49152 \
+ flower skip_sw action goto chain $(IS1 1)
+ tc filter add dev $eth ingress chain $(IS1 1) pref 49152 \
+ flower skip_sw action goto chain $(IS1 2)
+ tc filter add dev $eth ingress chain $(IS1 2) pref 49152 \
+ flower skip_sw action goto chain $(IS2 0 0)
+
+ # VCAP IS2 is the Security Enforcement ingress TCAM and can offload the
+ # following actions:
+ # - trap
+ # - drop
+ # - police
+ # The two VCAP IS2 lookups can be segmented into up to 256 groups of
+ # rules, called Policies. A Policy is selected through the Policy
+ # Association Group (PAG) action of VCAP IS1 (which is the
+ # GOTO offload).
+ tc filter add dev $eth ingress chain $(IS2 0 0) pref 49152 \
+ flower skip_sw action goto chain $(IS2 1 0)
+}
+
+setup_prepare()
+{
+ ip link set $swp1 up
+ ip link set $swp2 up
+ ip link set $h2 up
+ ip link set $h1 up
+
+ create_tcam_skeleton $swp1
+
+ ip link add br0 type bridge
+ ip link set $swp1 master br0
+ ip link set $swp2 master br0
+ ip link set br0 up
+
+ ip link add link $h1 name $h1.100 type vlan id 100
+ ip link set $h1.100 up
+
+ ip link add link $h1 name $h1.200 type vlan id 200
+ ip link set $h1.200 up
+
+ tc filter add dev $swp1 ingress chain $(IS1 1) pref 1 \
+ protocol 802.1Q flower skip_sw vlan_id 100 \
+ action vlan pop \
+ action goto chain $(IS1 2)
+
+ tc filter add dev $swp1 egress chain $(ES0) pref 1 \
+ flower skip_sw indev $swp2 \
+ action vlan push protocol 802.1Q id 100
+
+ tc filter add dev $swp1 ingress chain $(IS1 0) pref 2 \
+ protocol ipv4 flower skip_sw src_ip 10.1.1.2 \
+ action skbedit priority 7 \
+ action goto chain $(IS1 1)
+
+ tc filter add dev $swp1 ingress chain $(IS2 0 0) pref 1 \
+ protocol ipv4 flower skip_sw ip_proto udp dst_port 5201 \
+ action police rate 50mbit burst 64k conform-exceed drop/pipe \
+ action goto chain $(IS2 1 0)
+}
+
+cleanup()
+{
+ ip link del $h1.200
+ ip link del $h1.100
+ tc qdisc del dev $swp1 clsact
+ ip link del br0
+}
+
+test_vlan_pop()
+{
+ local h1_mac=$(mac_get $h1)
+ local h2_mac=$(mac_get $h2)
+
+ RET=0
+
+ tcpdump_start $h2
+
+ # Work around Mausezahn VLAN builder bug
+ # (https://github.com/netsniff-ng/netsniff-ng/issues/225) by using
+ # an 8021q upper
+ $MZ $h1.100 -q -c 1 -p 64 -a $h1_mac -b $h2_mac -t ip
+
+ sleep 1
+
+ tcpdump_stop $h2
+
+ tcpdump_show $h2 | grep -q "$h1_mac > $h2_mac, ethertype IPv4"
+ check_err "$?" "untagged reception"
+
+ tcpdump_cleanup $h2
+
+ log_test "VLAN pop"
+}
+
+test_vlan_push()
+{
+ local h1_mac=$(mac_get $h1)
+ local h2_mac=$(mac_get $h2)
+
+ RET=0
+
+ tcpdump_start $h1.100
+
+ $MZ $h2 -q -c 1 -p 64 -a $h2_mac -b $h1_mac -t ip
+
+ sleep 1
+
+ tcpdump_stop $h1.100
+
+ tcpdump_show $h1.100 | grep -q "$h2_mac > $h1_mac"
+ check_err "$?" "tagged reception"
+
+ tcpdump_cleanup $h1.100
+
+ log_test "VLAN push"
+}
+
+test_vlan_ingress_modify()
+{
+ local h1_mac=$(mac_get $h1)
+ local h2_mac=$(mac_get $h2)
+
+ RET=0
+
+ ip link set br0 type bridge vlan_filtering 1
+ bridge vlan add dev $swp1 vid 200
+ bridge vlan add dev $swp1 vid 300
+ bridge vlan add dev $swp2 vid 300
+
+ tc filter add dev $swp1 ingress chain $(IS1 2) pref 3 \
+ protocol 802.1Q flower skip_sw vlan_id 200 src_mac $h1_mac \
+ action vlan modify id 300 \
+ action goto chain $(IS2 0 0)
+
+ tcpdump_start $h2
+
+ $MZ $h1.200 -q -c 1 -p 64 -a $h1_mac -b $h2_mac -t ip
+
+ sleep 1
+
+ tcpdump_stop $h2
+
+ tcpdump_show $h2 | grep -q "$h1_mac > $h2_mac, .* vlan 300"
+ check_err "$?" "tagged reception"
+
+ tcpdump_cleanup $h2
+
+ tc filter del dev $swp1 ingress chain $(IS1 2) pref 3
+
+ bridge vlan del dev $swp1 vid 200
+ bridge vlan del dev $swp1 vid 300
+ bridge vlan del dev $swp2 vid 300
+ ip link set br0 type bridge vlan_filtering 0
+
+ log_test "Ingress VLAN modification"
+}
+
+test_vlan_egress_modify()
+{
+ local h1_mac=$(mac_get $h1)
+ local h2_mac=$(mac_get $h2)
+
+ RET=0
+
+ tc qdisc add dev $swp2 clsact
+
+ ip link set br0 type bridge vlan_filtering 1
+ bridge vlan add dev $swp1 vid 200
+ bridge vlan add dev $swp2 vid 200
+
+ tc filter add dev $swp2 egress chain $(ES0) pref 3 \
+ protocol 802.1Q flower skip_sw vlan_id 200 vlan_prio 0 \
+ action vlan modify id 300 priority 7
+
+ tcpdump_start $h2
+
+ $MZ $h1.200 -q -c 1 -p 64 -a $h1_mac -b $h2_mac -t ip
+
+ sleep 1
+
+ tcpdump_stop $h2
+
+ tcpdump_show $h2 | grep -q "$h1_mac > $h2_mac, .* vlan 300"
+ check_err "$?" "tagged reception"
+
+ tcpdump_cleanup $h2
+
+ tc filter del dev $swp2 egress chain $(ES0) pref 3
+ tc qdisc del dev $swp2 clsact
+
+ bridge vlan del dev $swp1 vid 200
+ bridge vlan del dev $swp2 vid 200
+ ip link set br0 type bridge vlan_filtering 0
+
+ log_test "Egress VLAN modification"
+}
+
+test_skbedit_priority()
+{
+ local h1_mac=$(mac_get $h1)
+ local h2_mac=$(mac_get $h2)
+ local num_pkts=100
+
+ before=$(ethtool_stats_get $swp1 'rx_green_prio_7')
+
+ $MZ $h1 -q -c $num_pkts -p 64 -a $h1_mac -b $h2_mac -t ip -A 10.1.1.2
+
+ after=$(ethtool_stats_get $swp1 'rx_green_prio_7')
+
+ if [ $((after - before)) = $num_pkts ]; then
+ RET=0
+ else
+ RET=1
+ fi
+
+ log_test "Frame prioritization"
+}
+
+trap cleanup EXIT
+
+ALL_TESTS="
+ test_vlan_pop
+ test_vlan_push
+ test_vlan_ingress_modify
+ test_vlan_egress_modify
+ test_skbedit_priority
+"
+
+setup_prepare
+setup_wait
+
+tests_run
+
+exit $EXIT_STATUS