selftests: mlxsw: Add a test for leftover DSCP rule (d11786bb) · Commits · 戴 / test

Commit ("mlxsw: spectrum_dcb: Configure DSCP map as the last rule is removed") fixed a problem in mlxsw where last DSCP rule to be removed remained in effect when DSCP rewrite was applied. Add a selftest that covers this problem. Signed-off-by:

Petr Machata <petrm@mellanox.com> Signed-off-by:

David S. Miller <davem@davemloft.net>

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

+19 −0

Original line number	Diff line number	Diff line
		@@ -31,6 +31,7 @@ ALL_TESTS="
		ping_ipv4
		test_update
		test_no_update
		test_dscp_leftover
		"

		lib_dir=$(dirname $0)/../../../net/forwarding
		@@ -50,6 +51,11 @@ reprioritize()
		echo ${reprio[$in]}
		}

		zero()
		{
		echo 0
		}

		h1_create()
		{
		simple_if_init $h1 192.0.2.1/28
		@@ -225,6 +231,19 @@ test_no_update()
		__test_update 0 echo
		}

		# Test that when the last APP rule is removed, the prio->DSCP map is properly
		# set to zeroes, and that the last APP rule does not stay active in the ASIC.
		test_dscp_leftover()
		{
		lldptool -T -i $swp2 -V APP -d $(dscp_map 0) >/dev/null
		lldpad_app_wait_del

		__test_update 0 zero

		lldptool -T -i $swp2 -V APP $(dscp_map 0) >/dev/null
		lldpad_app_wait_set $swp2
		}

		trap cleanup EXIT

		setup_prepare

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