mirror of https://gitee.com/openkylin/linux.git
selftests: mlxsw: Add a test for leftover DSCP rule
Commit dedfde2fe1
("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>
This commit is contained in:
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@ -31,6 +31,7 @@ ALL_TESTS="
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ping_ipv4
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test_update
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test_no_update
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test_dscp_leftover
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"
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lib_dir=$(dirname $0)/../../../net/forwarding
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@ -50,6 +51,11 @@ reprioritize()
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echo ${reprio[$in]}
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}
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zero()
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{
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echo 0
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}
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h1_create()
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{
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simple_if_init $h1 192.0.2.1/28
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@ -225,6 +231,19 @@ test_no_update()
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__test_update 0 echo
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}
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# Test that when the last APP rule is removed, the prio->DSCP map is properly
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# set to zeroes, and that the last APP rule does not stay active in the ASIC.
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test_dscp_leftover()
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{
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lldptool -T -i $swp2 -V APP -d $(dscp_map 0) >/dev/null
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lldpad_app_wait_del
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__test_update 0 zero
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lldptool -T -i $swp2 -V APP $(dscp_map 0) >/dev/null
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lldpad_app_wait_set $swp2
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}
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trap cleanup EXIT
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setup_prepare
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