selftests: mlxsw: tc_restrictions: add test to check sample action restrictions

Check that matchall rules with sample actions are not possible to be
inserted to egress.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/tools/testing/selftests/drivers/net/mlxsw/tc_restrictions.sh b/tools/testing/selftests/drivers/net/mlxsw/tc_restrictions.sh
index 68c80d0ec1ec8dc5a0dc02e4cb546aada9a72125..a67e80315e47fb3ce6d93343aeb114262661e2b7 100755 (executable)
--- a/tools/testing/selftests/drivers/net/mlxsw/tc_restrictions.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/tc_restrictions.sh
@@ -7,6 +7,7 @@ ALL_TESTS="
        shared_block_drop_test
        egress_redirect_test
        multi_mirror_test
+       matchall_sample_egress_test
 "
 NUM_NETIFS=2
 
@@ -155,6 +156,30 @@ multi_mirror_test()
        log_test "multi mirror"
 }
 
+matchall_sample_egress_test()
+{
+       RET=0
+
+       # It is forbidden in mlxsw driver to have matchall with sample action
+       # bound on egress
+
+       tc qdisc add dev $swp1 clsact
+
+       tc filter add dev $swp1 ingress protocol all pref 1 handle 101 \
+               matchall skip_sw action sample rate 100 group 1
+       check_err $? "Failed to add rule with sample action on ingress"
+
+       tc filter del dev $swp1 ingress protocol all pref 1 handle 101 matchall
+
+       tc filter add dev $swp1 egress protocol all pref 1 handle 101 \
+               matchall skip_sw action sample rate 100 group 1
+       check_fail $? "Incorrect success to add rule with sample action on egress"
+
+       tc qdisc del dev $swp1 clsact
+
+       log_test "matchall sample egress"
+}
+
 setup_prepare()
 {
        swp1=${NETIFS[p1]}