Commit cb12d176 authored by Ido Schimmel's avatar Ido Schimmel Committed by Jakub Kicinski
Browse files

selftests: mlxsw: tc_restrictions: Test tc-police restrictions 



Test that upper and lower limits on rate and burst size imposed by the
device are rejected by the kernel.

Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Reviewed-by: default avatarPetr Machata <petrm@mellanox.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent afe231d3

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

+76 −0
Original line number Diff line number Diff line
@@ -11,6 +11,8 @@ ALL_TESTS=" 
	matchall_mirror_behind_flower_ingress_test

	matchall_sample_behind_flower_ingress_test

	matchall_mirror_behind_flower_egress_test

	police_limits_test

	multi_police_test

"

NUM_NETIFS=2
@@ -287,6 +289,80 @@ matchall_mirror_behind_flower_egress_test() 
	matchall_behind_flower_egress_test "mirror" "mirred egress mirror dev $swp2"

}



police_limits_test()

{

	RET=0



	tc qdisc add dev $swp1 clsact



	tc filter add dev $swp1 ingress pref 1 proto ip handle 101 \

		flower skip_sw \

		action police rate 0.5kbit burst 1m conform-exceed drop/ok

	check_fail $? "Incorrect success to add police action with too low rate"



	tc filter add dev $swp1 ingress pref 1 proto ip handle 101 \

		flower skip_sw \

		action police rate 2.5tbit burst 1g conform-exceed drop/ok

	check_fail $? "Incorrect success to add police action with too high rate"



	tc filter add dev $swp1 ingress pref 1 proto ip handle 101 \

		flower skip_sw \

		action police rate 1.5kbit burst 1m conform-exceed drop/ok

	check_err $? "Failed to add police action with low rate"



	tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower



	tc filter add dev $swp1 ingress pref 1 proto ip handle 101 \

		flower skip_sw \

		action police rate 1.9tbit burst 1g conform-exceed drop/ok

	check_err $? "Failed to add police action with high rate"



	tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower



	tc filter add dev $swp1 ingress pref 1 proto ip handle 101 \

		flower skip_sw \

		action police rate 1.5kbit burst 512b conform-exceed drop/ok

	check_fail $? "Incorrect success to add police action with too low burst size"



	tc filter add dev $swp1 ingress pref 1 proto ip handle 101 \

		flower skip_sw \

		action police rate 1.5kbit burst 2k conform-exceed drop/ok

	check_err $? "Failed to add police action with low burst size"



	tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower



	tc qdisc del dev $swp1 clsact



	log_test "police rate and burst limits"

}



multi_police_test()

{

	RET=0



	# It is forbidden in mlxsw driver to have multiple police

	# actions in a single rule.



	tc qdisc add dev $swp1 clsact



	tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 \

		flower skip_sw \

		action police rate 100mbit burst 100k conform-exceed drop/ok

	check_err $? "Failed to add rule with single police action"



	tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower



	tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 \

		flower skip_sw \

		action police rate 100mbit burst 100k conform-exceed drop/pipe \

		action police rate 200mbit burst 200k conform-exceed drop/ok

	check_fail $? "Incorrect success to add rule with two police actions"



	tc qdisc del dev $swp1 clsact



	log_test "multi police"

}



setup_prepare()

{

	swp1=${NETIFS[p1]}

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