[PATCH net-next 14/15] selftests: mlxsw: Add a test for locked port trap
From: Petr Machata <petrm@nvidia.com>
Date: 2022-11-08 10:49:36
Also in:
bridge
Subsystem:
kernel selftest framework, mellanox ethernet switch drivers, networking drivers, the rest · Maintainers:
Shuah Khan, Ido Schimmel, Petr Machata, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Ido Schimmel <idosch@nvidia.com>
Test that packets received via a locked bridge port whose {SMAC, VID}
does not appear in the bridge's FDB or appears with a different port,
trigger the "locked_port" packet trap.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
---
.../net/mlxsw/devlink_trap_l2_drops.sh | 105 ++++++++++++++++++
1 file changed, 105 insertions(+)
diff --git a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l2_drops.sh b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l2_drops.sh
index a4c2812e9807..8d4b2c6265b3 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l2_drops.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l2_drops.sh@@ -14,6 +14,7 @@ ALL_TESTS=" ingress_stp_filter_test port_list_is_empty_test port_loopback_filter_test + locked_port_test " NUM_NETIFS=4 source $lib_dir/tc_common.sh
@@ -420,6 +421,110 @@ port_loopback_filter_test() port_loopback_filter_uc_test } +locked_port_miss_test() +{ + local trap_name="locked_port" + local smac=00:11:22:33:44:55 + + bridge link set dev $swp1 learning off + bridge link set dev $swp1 locked on + + RET=0 + + devlink_trap_stats_check $trap_name $MZ $h1 -c 1 \ + -a $smac -b $(mac_get $h2) -A 192.0.2.1 -B 192.0.2.2 -p 100 -q + check_fail $? "Trap stats increased before setting action to \"trap\"" + + devlink_trap_action_set $trap_name "trap" + + devlink_trap_stats_check $trap_name $MZ $h1 -c 1 \ + -a $smac -b $(mac_get $h2) -A 192.0.2.1 -B 192.0.2.2 -p 100 -q + check_err $? "Trap stats did not increase when should" + + devlink_trap_action_set $trap_name "drop" + + devlink_trap_stats_check $trap_name $MZ $h1 -c 1 \ + -a $smac -b $(mac_get $h2) -A 192.0.2.1 -B 192.0.2.2 -p 100 -q + check_fail $? "Trap stats increased after setting action to \"drop\"" + + devlink_trap_action_set $trap_name "trap" + + bridge fdb replace $smac dev $swp1 master static vlan 1 + + devlink_trap_stats_check $trap_name $MZ $h1 -c 1 \ + -a $smac -b $(mac_get $h2) -A 192.0.2.1 -B 192.0.2.2 -p 100 -q + check_fail $? "Trap stats increased after adding an FDB entry" + + bridge fdb del $smac dev $swp1 master static vlan 1 + bridge link set dev $swp1 locked off + + devlink_trap_stats_check $trap_name $MZ $h1 -c 1 \ + -a $smac -b $(mac_get $h2) -A 192.0.2.1 -B 192.0.2.2 -p 100 -q + check_fail $? "Trap stats increased after unlocking port" + + log_test "Locked port - FDB miss" + + devlink_trap_action_set $trap_name "drop" + bridge link set dev $swp1 learning on +} + +locked_port_mismatch_test() +{ + local trap_name="locked_port" + local smac=00:11:22:33:44:55 + + bridge link set dev $swp1 learning off + bridge link set dev $swp1 locked on + + RET=0 + + bridge fdb replace $smac dev $swp2 master static vlan 1 + + devlink_trap_stats_check $trap_name $MZ $h1 -c 1 \ + -a $smac -b $(mac_get $h2) -A 192.0.2.1 -B 192.0.2.2 -p 100 -q + check_fail $? "Trap stats increased before setting action to \"trap\"" + + devlink_trap_action_set $trap_name "trap" + + devlink_trap_stats_check $trap_name $MZ $h1 -c 1 \ + -a $smac -b $(mac_get $h2) -A 192.0.2.1 -B 192.0.2.2 -p 100 -q + check_err $? "Trap stats did not increase when should" + + devlink_trap_action_set $trap_name "drop" + + devlink_trap_stats_check $trap_name $MZ $h1 -c 1 \ + -a $smac -b $(mac_get $h2) -A 192.0.2.1 -B 192.0.2.2 -p 100 -q + check_fail $? "Trap stats increased after setting action to \"drop\"" + + devlink_trap_action_set $trap_name "trap" + bridge link set dev $swp1 locked off + + devlink_trap_stats_check $trap_name $MZ $h1 -c 1 \ + -a $smac -b $(mac_get $h2) -A 192.0.2.1 -B 192.0.2.2 -p 100 -q + check_fail $? "Trap stats increased after unlocking port" + + bridge link set dev $swp1 locked on + bridge fdb replace $smac dev $swp1 master static vlan 1 + + devlink_trap_stats_check $trap_name $MZ $h1 -c 1 \ + -a $smac -b $(mac_get $h2) -A 192.0.2.1 -B 192.0.2.2 -p 100 -q + check_fail $? "Trap stats increased after replacing an FDB entry" + + bridge fdb del $smac dev $swp1 master static vlan 1 + devlink_trap_action_set $trap_name "drop" + + log_test "Locked port - FDB mismatch" + + bridge link set dev $swp1 locked off + bridge link set dev $swp1 learning on +} + +locked_port_test() +{ + locked_port_miss_test + locked_port_mismatch_test +} + trap cleanup EXIT setup_prepare
--
2.35.3