@@ -34,6 +34,7 @@ lib_dir=$(dirname $0)/../../../net/forwarding
ALL_TESTS="
tc_sample_rate_test
tc_sample_max_rate_test
+ tc_sample_conflict_test
tc_sample_group_conflict_test
tc_sample_md_iif_test
tc_sample_md_lag_iif_test
@@ -272,6 +273,35 @@ tc_sample_max_rate_test()
log_test "tc sample maximum rate"
}
+tc_sample_conflict_test()
+{
+ RET=0
+
+ # Test that two sampling rules cannot be configured on the same port,
+ # even when they share the same parameters.
+
+ tc filter add dev $rp1 ingress protocol all pref 1 handle 101 matchall \
+ skip_sw action sample rate 1024 group 1
+ check_err $? "Failed to configure sampling rule"
+
+ tc filter add dev $rp1 ingress protocol all pref 2 handle 102 matchall \
+ skip_sw action sample rate 1024 group 1 &> /dev/null
+ check_fail $? "Managed to configure second sampling rule"
+
+ # Delete the first rule and make sure the second rule can now be
+ # configured.
+
+ tc filter del dev $rp1 ingress protocol all pref 1 handle 101 matchall
+
+ tc filter add dev $rp1 ingress protocol all pref 2 handle 102 matchall \
+ skip_sw action sample rate 1024 group 1
+ check_err $? "Failed to configure sampling rule after deletion"
+
+ log_test "tc sample conflict test"
+
+ tc filter del dev $rp1 ingress protocol all pref 2 handle 102 matchall
+}
+
tc_sample_group_conflict_test()
{
RET=0