From: "Hans J. Schultz" <netdev@kapio-technology.com>
To: davem@davemloft.net, kuba@kernel.org
Cc: netdev@vger.kernel.org,
"Hans J. Schultz" <netdev@kapio-technology.com>,
Florian Fainelli <f.fainelli@gmail.com>,
Andrew Lunn <andrew@lunn.ch>,
Vivien Didelot <vivien.didelot@gmail.com>,
Vladimir Oltean <olteanv@gmail.com>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
Kurt Kanzenbach <kurt@linutronix.de>,
Hauke Mehrtens <hauke@hauke-m.de>,
Woojung Huh <woojung.huh@microchip.com>,
UNGLinuxDriver@microchip.com, Sean Wang <sean.wang@mediatek.com>,
Landen Chao <Landen.Chao@mediatek.com>,
DENG Qingfang <dqfext@gmail.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
Claudiu Manoil <claudiu.manoil@nxp.com>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
Jiri Pirko <jiri@resnulli.us>, Ivan Vecera <ivecera@redhat.com>,
Roopa Prabhu <roopa@nvidia.com>,
Nikolay Aleksandrov <razor@blackwall.org>,
Shuah Khan <shuah@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Christian Marangi <ansuelsmth@gmail.com>,
Daniel Borkmann <daniel@iogearbox.net>,
Yuwei Wang <wangyuweihx@gmail.com>,
Petr Machata <petrm@nvidia.com>, Ido Schimmel <idosch@nvidia.com>,
Florent Fourcot <florent.fourcot@wifirst.fr>,
Hans Schultz <schultz.hans@gmail.com>,
Joachim Wiberg <troglobit@gmail.com>,
Amit Cohen <amcohen@nvidia.com>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org,
bridge@lists.linux-foundation.org,
linux-kselftest@vger.kernel.org
Subject: [PATCH v8 net-next 12/12] selftests: forwarding: add MAB tests to locked port tests
Date: Tue, 18 Oct 2022 18:56:19 +0200 [thread overview]
Message-ID: <20221018165619.134535-13-netdev@kapio-technology.com> (raw)
In-Reply-To: <20221018165619.134535-1-netdev@kapio-technology.com>
Verify that the MacAuth/MAB mechanism works by adding a FDB entry with
the locked flag set, denying access until the FDB entry is replaced with
a FDB entry without the locked flag set. Also verify that FDB entries
cannot roam from an unlocked port to a locked port.
Add test of blackhole fdb entries, verifying that there is no forwarding
to a blackhole entry from any port, and that the blackhole entry can be
replaced.
Signed-off-by: Hans J. Schultz <netdev@kapio-technology.com>
---
.../selftests/drivers/net/dsa/Makefile | 1 +
.../testing/selftests/net/forwarding/Makefile | 1 +
.../net/forwarding/bridge_blackhole_fdb.sh | 131 ++++++++++++++++++
.../net/forwarding/bridge_locked_port.sh | 99 ++++++++++++-
tools/testing/selftests/net/forwarding/lib.sh | 17 +++
5 files changed, 248 insertions(+), 1 deletion(-)
create mode 100755 tools/testing/selftests/net/forwarding/bridge_blackhole_fdb.sh
diff --git a/tools/testing/selftests/drivers/net/dsa/Makefile b/tools/testing/selftests/drivers/net/dsa/Makefile
index c393e7b73805..c0a75d869763 100644
--- a/tools/testing/selftests/drivers/net/dsa/Makefile
+++ b/tools/testing/selftests/drivers/net/dsa/Makefile
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0+ OR MIT
TEST_PROGS = bridge_locked_port.sh \
+ bridge_blackhole_fdb.sh \
bridge_mdb.sh \
bridge_mld.sh \
bridge_vlan_aware.sh \
diff --git a/tools/testing/selftests/net/forwarding/Makefile b/tools/testing/selftests/net/forwarding/Makefile
index a9c5c1be5088..7d832020937f 100644
--- a/tools/testing/selftests/net/forwarding/Makefile
+++ b/tools/testing/selftests/net/forwarding/Makefile
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0+ OR MIT
TEST_PROGS = bridge_igmp.sh \
+ bridge_blackhole_fdb.sh \
bridge_locked_port.sh \
bridge_mdb.sh \
bridge_mdb_port_down.sh \
diff --git a/tools/testing/selftests/net/forwarding/bridge_blackhole_fdb.sh b/tools/testing/selftests/net/forwarding/bridge_blackhole_fdb.sh
new file mode 100755
index 000000000000..42d9367f7339
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/bridge_blackhole_fdb.sh
@@ -0,0 +1,131 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+ALL_TESTS="blackhole_fdb"
+NUM_NETIFS=4
+source tc_common.sh
+source lib.sh
+
+h1_create()
+{
+ simple_if_init $h1 192.0.2.1/24
+}
+
+h1_destroy()
+{
+ simple_if_fini $h1 192.0.2.1/24
+}
+
+h2_create()
+{
+ simple_if_init $h2 192.0.2.2/24
+}
+
+h2_destroy()
+{
+ simple_if_fini $h2 192.0.2.2/24
+}
+
+switch_create()
+{
+ ip link add dev br0 type bridge vlan_filtering 1
+
+ ip link set dev $swp1 master br0
+ ip link set dev $swp2 master br0
+
+ ip link set dev br0 up
+ ip link set dev $swp1 up
+ ip link set dev $swp2 up
+
+ tc qdisc add dev $swp2 clsact
+}
+
+switch_destroy()
+{
+ tc qdisc del dev $swp2 clsact
+
+ ip link set dev $swp2 down
+ ip link set dev $swp1 down
+
+ ip link del dev br0
+}
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ swp1=${NETIFS[p2]}
+ h2=${NETIFS[p3]}
+ swp2=${NETIFS[p4]}
+
+ vrf_prepare
+
+ h1_create
+ h2_create
+
+ switch_create
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ switch_destroy
+
+ h2_destroy
+ h1_destroy
+
+ vrf_cleanup
+}
+
+# Check that there is no egress with blackhole entry and that blackhole entries
+# can be replaced
+blackhole_fdb()
+{
+ RET=0
+
+ check_blackhole_fdb_support || return 0
+
+ tc filter add dev $swp2 egress protocol ip pref 1 handle 1 flower \
+ dst_ip 192.0.2.2 ip_proto udp dst_port 12345 action pass
+
+ $MZ $h1 -c 1 -p 128 -t udp "sp=54321,dp=12345" \
+ -a own -b `mac_get $h2` -A 192.0.2.1 -B 192.0.2.2 -q
+
+ tc_check_packets "dev $swp2 egress" 1 1
+ check_err $? "Packet not seen on egress before adding blackhole entry"
+
+ bridge fdb replace `mac_get $h2` dev br0 vlan 1 blackhole
+ bridge fdb get `mac_get $h2` br br0 vlan 1 | grep -q blackhole
+ check_err $? "Blackhole entry not found"
+
+ $MZ $h1 -c 1 -p 128 -t udp "sp=54321,dp=12345" \
+ -a own -b `mac_get $h2` -A 192.0.2.1 -B 192.0.2.2 -q
+
+ tc_check_packets "dev $swp2 egress" 1 1
+ check_err $? "Packet seen on egress after adding blackhole entry"
+
+ # Check blackhole entries can be replaced.
+ bridge fdb replace `mac_get $h2` dev $swp2 vlan 1 master static
+ bridge fdb get `mac_get $h2` br br0 vlan 1 | grep -q blackhole
+ check_fail $? "Blackhole entry found after replacement"
+
+ $MZ $h1 -c 1 -p 128 -t udp "sp=54321,dp=12345" \
+ -a own -b `mac_get $h2` -A 192.0.2.1 -B 192.0.2.2 -q
+
+ tc_check_packets "dev $swp2 egress" 1 2
+ check_err $? "Packet not seen on egress after replacing blackhole entry"
+
+ bridge fdb del `mac_get $h2` dev $swp2 vlan 1 master static
+ tc filter del dev $swp2 egress protocol ip pref 1 handle 1 flower
+
+ log_test "Blackhole FDB entry"
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/net/forwarding/bridge_locked_port.sh b/tools/testing/selftests/net/forwarding/bridge_locked_port.sh
index 5b02b6b60ce7..f0bc0bcbc246 100755
--- a/tools/testing/selftests/net/forwarding/bridge_locked_port.sh
+++ b/tools/testing/selftests/net/forwarding/bridge_locked_port.sh
@@ -1,7 +1,15 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
-ALL_TESTS="locked_port_ipv4 locked_port_ipv6 locked_port_vlan"
+ALL_TESTS="
+ locked_port_ipv4
+ locked_port_ipv6
+ locked_port_vlan
+ locked_port_mab
+ locked_port_station_move
+ locked_port_mab_station_move
+"
+
NUM_NETIFS=4
CHECK_TC="no"
source lib.sh
@@ -166,6 +174,95 @@ locked_port_ipv6()
log_test "Locked port ipv6"
}
+locked_port_mab()
+{
+ RET=0
+ check_port_mab_support || return 0
+
+ ping_do $h1 192.0.2.2
+ check_err $? "MAB: Ping did not work before locking port"
+
+ bridge link set dev $swp1 locked on mab on
+
+ ping_do $h1 192.0.2.2
+ check_fail $? "MAB: Ping worked on mab enabled port without FDB entry"
+
+ bridge fdb get `mac_get $h1` br br0 vlan 1 | grep "dev $swp1" | grep -q "locked"
+ check_err $? "MAB: No locked FDB entry after ping on mab enabled port"
+
+ bridge fdb replace `mac_get $h1` dev $swp1 master static
+
+ ping_do $h1 192.0.2.2
+ check_err $? "MAB: Ping did not work with FDB entry without locked flag"
+
+ bridge fdb del `mac_get $h1` dev $swp1 master
+ bridge link set dev $swp1 locked off mab off
+
+ log_test "Locked port MAB"
+}
+
+# Check that entries cannot roam from an unlocked port to a locked port.
+locked_port_station_move()
+{
+ local mac=a0:b0:c0:c0:b0:a0
+
+ RET=0
+ check_locked_port_support || return 0
+
+ bridge link set dev $swp1 locked on learning on
+
+ $MZ $h1 -q -c 5 -d 100msec -t udp -a $mac -b rand
+ bridge fdb get $mac br br0 vlan 1 &> /dev/null
+ check_fail $? "Locked port station move: FDB entry on first injection"
+
+ $MZ $h2 -q -c 5 -d 100msec -t udp -a $mac -b rand
+ bridge fdb get $mac br br0 vlan 1 | grep -q "dev $swp2"
+ check_err $? "Locked port station move: Entry not found on unlocked port"
+
+ $MZ $h1 -q -c 5 -d 100msec -t udp -a $mac -b rand
+ bridge fdb get $mac br br0 vlan 1 | grep -q "dev $swp1"
+ check_fail $? "Locked port station move: entry roamed to locked port"
+
+ bridge fdb del $mac vlan 1 dev $swp2 master
+ bridge link set dev $swp1 locked off learning off
+
+ log_test "Locked port station move"
+}
+
+# Check that entries can roam from a locked port if blackhole FDB flag is not
+# set.
+locked_port_mab_station_move()
+{
+ local mac=10:20:30:30:20:10
+
+ RET=0
+ check_port_mab_support || return 0
+
+ bridge link set dev $swp1 locked on mab on
+
+ $MZ $h1 -q -c 5 -d 100 mesc -t udp -a $mac -b rand
+ if bridge fdb show dev $swp1 | grep "$mac vlan 1" | grep -q "blackhole"; then
+ echo "SKIP: Roaming not possible with blackhole flag, skipping test..."
+ bridge link set dev $swp1 locked off mab off
+ return $ksft_skip
+ fi
+
+ bridge fdb get $mac br br0 vlan 1 | grep "dev $swp1" | grep -q "locked"
+ check_err $? "MAB station move: no locked entry on first injection"
+
+ $MZ $h2 -q -c 5 -d 100msec -t udp -a $mac -b rand
+ bridge fdb get $mac br br0 vlan 1 | grep -q "dev $swp2"
+ check_err $? "MAB station move: roamed entry not found"
+
+ bridge fdb get $mac br br0 vlan 1 | grep -q "locked"
+ check_fail $? "MAB station move: roamed entry to unlocked port had locked flag on"
+
+ bridge fdb del $mac vlan 1 dev $swp2 master
+ bridge link set dev $swp1 locked off mab off
+
+ log_test "Locked port MAB station move"
+}
+
trap cleanup EXIT
setup_prepare
diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh
index 3ffb9d6c0950..d6abe873665c 100755
--- a/tools/testing/selftests/net/forwarding/lib.sh
+++ b/tools/testing/selftests/net/forwarding/lib.sh
@@ -137,6 +137,23 @@ check_locked_port_support()
fi
}
+check_port_mab_support()
+{
+ if ! bridge -d link show | grep -q "mab"; then
+ echo "SKIP: iproute2 too old; MacAuth feature not supported."
+ return $ksft_skip
+ fi
+}
+
+check_blackhole_fdb_support()
+{
+ bridge fdb help 2>&1|grep blackhole &> /dev/null
+ if [[ $? -ne 0 ]]; then
+ echo "SKIP: Blackhole fdb feature not supported."
+ return $ksft_skip
+ fi
+}
+
if [[ "$(id -u)" -ne 0 ]]; then
echo "SKIP: need root privileges"
exit $ksft_skip
--
2.34.1
_______________________________________________
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linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-10-19 15:34 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-18 16:56 [PATCH v8 net-next 00/12] Extend locked port feature with FDB locked flag (MAC-Auth/MAB) Hans J. Schultz
2022-10-18 16:56 ` [PATCH v8 net-next 01/12] net: bridge: add locked entry fdb flag to extend locked port feature Hans J. Schultz
2022-10-20 12:54 ` Ido Schimmel
2022-10-20 19:37 ` netdev
2022-10-21 0:11 ` Jakub Kicinski
2022-10-18 16:56 ` [PATCH v8 net-next 02/12] net: bridge: add blackhole fdb entry flag Hans J. Schultz
2022-10-20 13:06 ` Ido Schimmel
2022-10-20 19:34 ` netdev
2022-10-23 5:32 ` netdev
2022-10-24 17:08 ` Jakub Kicinski
2022-10-18 16:56 ` [PATCH v8 net-next 03/12] net: bridge: enable bridge to install locked fdb entries from drivers Hans J. Schultz
2022-10-20 12:55 ` Vladimir Oltean
2022-10-20 19:29 ` netdev
2022-10-20 22:43 ` Vladimir Oltean
2022-10-18 16:56 ` [PATCH v8 net-next 04/12] net: bridge: add MAB flag to hardware offloadable flags Hans J. Schultz
2022-10-18 16:56 ` [PATCH v8 net-next 05/12] net: dsa: propagate the locked flag down through the DSA layer Hans J. Schultz
2022-10-20 13:02 ` Vladimir Oltean
2022-10-20 13:24 ` Ido Schimmel
2022-10-20 13:35 ` Vladimir Oltean
2022-10-20 13:57 ` Ido Schimmel
2022-10-20 14:04 ` Vladimir Oltean
2022-10-20 14:58 ` Ido Schimmel
2022-10-20 15:25 ` Vladimir Oltean
2022-10-20 14:11 ` Vladimir Oltean
2022-10-20 15:23 ` Ido Schimmel
2022-10-20 15:36 ` Vladimir Oltean
2022-10-20 18:47 ` netdev
2022-10-20 23:57 ` Vladimir Oltean
2022-10-20 19:43 ` netdev
2022-10-20 22:52 ` Vladimir Oltean
2022-10-18 16:56 ` [PATCH v8 net-next 06/12] net: bridge: enable bridge to send and receive blackhole FDB entries Hans J. Schultz
2022-10-18 16:56 ` [PATCH v8 net-next 07/12] net: dsa: send the blackhole flag down through the DSA layer Hans J. Schultz
2022-10-18 16:56 ` [PATCH v8 net-next 08/12] drivers: net: dsa: add fdb entry flags incoming to switchcore drivers Hans J. Schultz
2022-10-20 13:12 ` Vladimir Oltean
2022-10-18 16:56 ` [PATCH v8 net-next 09/12] net: dsa: mv88e6xxx: allow reading FID when handling ATU violations Hans J. Schultz
2022-10-18 16:56 ` [PATCH v8 net-next 10/12] net: dsa: mv88e6xxx: mac-auth/MAB implementation Hans J. Schultz
2022-10-20 13:25 ` Vladimir Oltean
2022-10-20 19:59 ` netdev
2022-10-20 20:20 ` netdev
2022-10-20 22:57 ` Vladimir Oltean
2022-10-21 6:47 ` netdev
2022-10-21 11:22 ` Vladimir Oltean
2022-10-21 13:16 ` netdev
2022-10-21 16:30 ` Vladimir Oltean
2022-10-21 17:18 ` netdev
2022-10-21 17:30 ` Vladimir Oltean
2022-10-21 17:39 ` netdev
2022-10-21 18:14 ` Vladimir Oltean
2022-10-22 7:24 ` netdev
2022-10-22 12:02 ` Vladimir Oltean
2022-10-22 13:15 ` netdev
2022-10-22 8:50 ` Oleksandr Mazur
2022-10-22 11:32 ` Vladimir Oltean
2022-10-22 12:55 ` Oleksandr Mazur
2022-10-22 13:39 ` Vladimir Oltean
2022-10-22 13:49 ` Ido Schimmel
2022-10-22 14:11 ` netdev
2022-10-22 14:49 ` Vladimir Oltean
2022-10-23 6:53 ` Ido Schimmel
2022-10-20 21:09 ` netdev
2022-10-20 23:00 ` Vladimir Oltean
2022-10-22 7:31 ` netdev
2022-10-22 11:55 ` Vladimir Oltean
2022-10-18 16:56 ` [PATCH v8 net-next 11/12] net: dsa: mv88e6xxx: add blackhole ATU entries Hans J. Schultz
2022-10-20 13:11 ` Vladimir Oltean
2022-10-18 16:56 ` Hans J. Schultz [this message]
2022-10-20 12:35 ` [PATCH v8 net-next 12/12] selftests: forwarding: add MAB tests to locked port tests Ido Schimmel
2022-10-19 18:58 ` [PATCH v8 net-next 00/12] Extend locked port feature with FDB locked flag (MAC-Auth/MAB) Jakub Kicinski
2022-10-20 9:55 ` Ido Schimmel
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