Commit fb398432 authored by Ido Schimmel's avatar Ido Schimmel Committed by Jakub Kicinski
Browse files

selftests: mlxsw: Add a test for locked port trap 



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: default avatarIdo Schimmel <idosch@nvidia.com>
Reviewed-by: default avatarPetr Machata <petrm@nvidia.com>
Signed-off-by: default avatarPetr Machata <petrm@nvidia.com>
Reviewed-by: default avatarVladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 25a26f0c

tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l2_drops.sh

+105 −0
Original line number Original line Diff line number Diff line
@@ -14,6 +14,7 @@ ALL_TESTS=" 
	ingress_stp_filter_test

	ingress_stp_filter_test

	port_list_is_empty_test

	port_list_is_empty_test

	port_loopback_filter_test

	port_loopback_filter_test

	locked_port_test

"

"

NUM_NETIFS=4

NUM_NETIFS=4

source $lib_dir/tc_common.sh

source $lib_dir/tc_common.sh
@@ -420,6 +421,110 @@ port_loopback_filter_test() 
	port_loopback_filter_uc_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

trap cleanup EXIT





setup_prepare

setup_prepare