diff options
Diffstat (limited to '')
| -rwxr-xr-x | tools/testing/selftests/net/forwarding/bridge_locked_port.sh | 365 |
1 files changed, 365 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/forwarding/bridge_locked_port.sh b/tools/testing/selftests/net/forwarding/bridge_locked_port.sh new file mode 100755 index 000000000000..c62331b2e006 --- /dev/null +++ b/tools/testing/selftests/net/forwarding/bridge_locked_port.sh @@ -0,0 +1,365 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +ALL_TESTS=" + locked_port_ipv4 + locked_port_ipv6 + locked_port_vlan + locked_port_mab + locked_port_mab_roam + locked_port_mab_config + locked_port_mab_flush + locked_port_mab_redirect +" + +NUM_NETIFS=4 +CHECK_TC="no" +source lib.sh + +h1_create() +{ + simple_if_init $h1 192.0.2.1/24 2001:db8:1::1/64 + vlan_create $h1 100 v$h1 198.51.100.1/24 +} + +h1_destroy() +{ + vlan_destroy $h1 100 + simple_if_fini $h1 192.0.2.1/24 2001:db8:1::1/64 +} + +h2_create() +{ + simple_if_init $h2 192.0.2.2/24 2001:db8:1::2/64 + vlan_create $h2 100 v$h2 198.51.100.2/24 +} + +h2_destroy() +{ + vlan_destroy $h2 100 + simple_if_fini $h2 192.0.2.2/24 2001:db8:1::2/64 +} + +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 + + bridge link set dev $swp1 learning off + + ip link set dev br0 up + ip link set dev $swp1 up + ip link set dev $swp2 up +} + +switch_destroy() +{ + ip link set dev $swp2 down + ip link set dev $swp1 down + + ip link del dev br0 +} + +setup_prepare() +{ + h1=${NETIFS[p1]} + swp1=${NETIFS[p2]} + + swp2=${NETIFS[p3]} + h2=${NETIFS[p4]} + + vrf_prepare + + h1_create + h2_create + + switch_create +} + +cleanup() +{ + pre_cleanup + + switch_destroy + + h2_destroy + h1_destroy + + vrf_cleanup +} + +locked_port_ipv4() +{ + RET=0 + + check_locked_port_support || return 0 + + ping_do $h1 192.0.2.2 + check_err $? "Ping did not work before locking port" + + bridge link set dev $swp1 locked on + + ping_do $h1 192.0.2.2 + check_fail $? "Ping worked after locking port, but before adding FDB entry" + + bridge fdb add `mac_get $h1` dev $swp1 master static + + ping_do $h1 192.0.2.2 + check_err $? "Ping did not work after locking port and adding FDB entry" + + bridge link set dev $swp1 locked off + bridge fdb del `mac_get $h1` dev $swp1 master static + + ping_do $h1 192.0.2.2 + check_err $? "Ping did not work after unlocking port and removing FDB entry." + + log_test "Locked port ipv4" +} + +locked_port_vlan() +{ + RET=0 + + check_locked_port_support || return 0 + + bridge vlan add vid 100 dev $swp1 + bridge vlan add vid 100 dev $swp2 + + ping_do $h1.100 198.51.100.2 + check_err $? "Ping through vlan did not work before locking port" + + bridge link set dev $swp1 locked on + ping_do $h1.100 198.51.100.2 + check_fail $? "Ping through vlan worked after locking port, but before adding FDB entry" + + bridge fdb add `mac_get $h1` dev $swp1 vlan 100 master static + + ping_do $h1.100 198.51.100.2 + check_err $? "Ping through vlan did not work after locking port and adding FDB entry" + + bridge link set dev $swp1 locked off + bridge fdb del `mac_get $h1` dev $swp1 vlan 100 master static + + ping_do $h1.100 198.51.100.2 + check_err $? "Ping through vlan did not work after unlocking port and removing FDB entry" + + bridge vlan del vid 100 dev $swp1 + bridge vlan del vid 100 dev $swp2 + log_test "Locked port vlan" +} + +locked_port_ipv6() +{ + RET=0 + check_locked_port_support || return 0 + + ping6_do $h1 2001:db8:1::2 + check_err $? "Ping6 did not work before locking port" + + bridge link set dev $swp1 locked on + + ping6_do $h1 2001:db8:1::2 + check_fail $? "Ping6 worked after locking port, but before adding FDB entry" + + bridge fdb add `mac_get $h1` dev $swp1 master static + ping6_do $h1 2001:db8:1::2 + check_err $? "Ping6 did not work after locking port and adding FDB entry" + + bridge link set dev $swp1 locked off + bridge fdb del `mac_get $h1` dev $swp1 master static + + ping6_do $h1 2001:db8:1::2 + check_err $? "Ping6 did not work after unlocking port and removing FDB entry" + + 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 $? "Ping did not work before locking port" + + bridge link set dev $swp1 learning on locked on + + ping_do $h1 192.0.2.2 + check_fail $? "Ping worked on a locked port without an FDB entry" + + bridge fdb get `mac_get $h1` br br0 vlan 1 &> /dev/null + check_fail $? "FDB entry created before enabling MAB" + + bridge link set dev $swp1 learning on locked on mab on + + ping_do $h1 192.0.2.2 + check_fail $? "Ping worked on MAB enabled port without an FDB entry" + + bridge fdb get `mac_get $h1` br br0 vlan 1 | grep "dev $swp1" | grep -q "locked" + check_err $? "Locked FDB entry not created" + + bridge fdb replace `mac_get $h1` dev $swp1 master static + + ping_do $h1 192.0.2.2 + check_err $? "Ping did not work after replacing FDB entry" + + bridge fdb get `mac_get $h1` br br0 vlan 1 | grep "dev $swp1" | grep -q "locked" + check_fail $? "FDB entry marked as locked after replacement" + + bridge fdb del `mac_get $h1` dev $swp1 master + bridge link set dev $swp1 learning off locked off mab off + + log_test "Locked port MAB" +} + +# Check that entries cannot roam to a locked port, but that entries can roam +# to an unlocked port. +locked_port_mab_roam() +{ + local mac=a0:b0:c0:c0:b0:a0 + + RET=0 + check_port_mab_support || return 0 + + bridge link set dev $swp1 learning on locked on mab on + + $MZ $h1 -q -c 5 -d 100msec -t udp -a $mac -b rand + bridge fdb get $mac br br0 vlan 1 | grep "dev $swp1" | grep -q "locked" + check_err $? "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 $? "Entry did not roam to an unlocked port" + + bridge fdb get $mac br br0 vlan 1 | grep -q "locked" + check_fail $? "Entry roamed with locked flag on" + + $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 $? "Entry roamed back to locked port" + + bridge fdb del $mac vlan 1 dev $swp2 master + bridge link set dev $swp1 learning off locked off mab off + + log_test "Locked port MAB roam" +} + +# Check that MAB can only be enabled on a port that is both locked and has +# learning enabled. +locked_port_mab_config() +{ + RET=0 + check_port_mab_support || return 0 + + bridge link set dev $swp1 learning on locked off mab on &> /dev/null + check_fail $? "MAB enabled while port is unlocked" + + bridge link set dev $swp1 learning off locked on mab on &> /dev/null + check_fail $? "MAB enabled while port has learning disabled" + + bridge link set dev $swp1 learning on locked on mab on + check_err $? "Failed to enable MAB when port is locked and has learning enabled" + + bridge link set dev $swp1 learning off locked off mab off + + log_test "Locked port MAB configuration" +} + +# Check that locked FDB entries are flushed from a port when MAB is disabled. +locked_port_mab_flush() +{ + local locked_mac1=00:01:02:03:04:05 + local unlocked_mac1=00:01:02:03:04:06 + local locked_mac2=00:01:02:03:04:07 + local unlocked_mac2=00:01:02:03:04:08 + + RET=0 + check_port_mab_support || return 0 + + bridge link set dev $swp1 learning on locked on mab on + bridge link set dev $swp2 learning on locked on mab on + + # Create regular and locked FDB entries on each port. + bridge fdb add $unlocked_mac1 dev $swp1 vlan 1 master static + bridge fdb add $unlocked_mac2 dev $swp2 vlan 1 master static + + $MZ $h1 -q -c 5 -d 100msec -t udp -a $locked_mac1 -b rand + bridge fdb get $locked_mac1 br br0 vlan 1 | grep "dev $swp1" | \ + grep -q "locked" + check_err $? "Failed to create locked FDB entry on first port" + + $MZ $h2 -q -c 5 -d 100msec -t udp -a $locked_mac2 -b rand + bridge fdb get $locked_mac2 br br0 vlan 1 | grep "dev $swp2" | \ + grep -q "locked" + check_err $? "Failed to create locked FDB entry on second port" + + # Disable MAB on the first port and check that only the first locked + # FDB entry was flushed. + bridge link set dev $swp1 mab off + + bridge fdb get $unlocked_mac1 br br0 vlan 1 &> /dev/null + check_err $? "Regular FDB entry on first port was flushed after disabling MAB" + + bridge fdb get $unlocked_mac2 br br0 vlan 1 &> /dev/null + check_err $? "Regular FDB entry on second port was flushed after disabling MAB" + + bridge fdb get $locked_mac1 br br0 vlan 1 &> /dev/null + check_fail $? "Locked FDB entry on first port was not flushed after disabling MAB" + + bridge fdb get $locked_mac2 br br0 vlan 1 &> /dev/null + check_err $? "Locked FDB entry on second port was flushed after disabling MAB" + + bridge fdb del $unlocked_mac2 dev $swp2 vlan 1 master static + bridge fdb del $unlocked_mac1 dev $swp1 vlan 1 master static + + bridge link set dev $swp2 learning on locked off mab off + bridge link set dev $swp1 learning off locked off mab off + + log_test "Locked port MAB FDB flush" +} + +# Check that traffic can be redirected from a locked bridge port and that it +# does not create locked FDB entries. +locked_port_mab_redirect() +{ + RET=0 + check_port_mab_support || return 0 + + tc qdisc add dev $swp1 clsact + tc filter add dev $swp1 ingress protocol all pref 1 handle 101 flower \ + action mirred egress redirect dev $swp2 + bridge link set dev $swp1 learning on locked on mab on + + ping_do $h1 192.0.2.2 + check_err $? "Ping did not work with redirection" + + bridge fdb get `mac_get $h1` br br0 vlan 1 2> /dev/null | \ + grep "dev $swp1" | grep -q "locked" + check_fail $? "Locked entry created for redirected traffic" + + tc filter del dev $swp1 ingress protocol all pref 1 handle 101 flower + + ping_do $h1 192.0.2.2 + check_fail $? "Ping worked without redirection" + + bridge fdb get `mac_get $h1` br br0 vlan 1 2> /dev/null | \ + grep "dev $swp1" | grep -q "locked" + check_err $? "Locked entry not created after deleting filter" + + bridge fdb del `mac_get $h1` vlan 1 dev $swp1 master + bridge link set dev $swp1 learning off locked off mab off + tc qdisc del dev $swp1 clsact + + log_test "Locked port MAB redirect" +} + +trap cleanup EXIT + +setup_prepare +setup_wait + +tests_run + +exit $EXIT_STATUS |