Handle the case where enable is "false"

Signed-off-by: Stephen Sun <[email protected]>

Author: stephenxs

orchagent/qosorch.cpp

@@ -739,13 +739,22 @@ sai_object_id_t WredMapHandler::addQosItem(const vector<sai_attribute_t> &attrib
         switch (attrib.id)
         {
         case SAI_WRED_ATTR_GREEN_ENABLE:
-            wred_enable_set |= GREEN_WRED_ENABLED;
+            if (attrib.value.booldata)
+            {
+                wred_enable_set |= GREEN_WRED_ENABLED;
+            }
             break;
         case SAI_WRED_ATTR_YELLOW_ENABLE:
-            wred_enable_set |= YELLOW_WRED_ENABLED;
+            if (attrib.value.booldata)
+            {
+                wred_enable_set |= YELLOW_WRED_ENABLED;
+            }
             break;
         case SAI_WRED_ATTR_RED_ENABLE:
-            wred_enable_set |= RED_WRED_ENABLED;
+            if (attrib.value.booldata)
+            {
+                wred_enable_set |= RED_WRED_ENABLED;
+            }
             break;
         case SAI_WRED_ATTR_GREEN_DROP_PROBABILITY:
             drop_prob_set |= GREEN_DROP_PROBABILITY_SET;

tests/mock_tests/qosorch_ut.cpp

@@ -1381,6 +1381,7 @@ namespace qosorch_test
         // QoS orchagent should guarantee that the new min is configured first and then new max
         vector<FieldValueTuple> greenProfile = {
             {"wred_green_enable", "true"},
+            {"wred_yellow_enable", "false"},
         };
         qos_wred_max_drop_probability_t greenProbabilities = {
             100, // green_max_drop_probability
@@ -1395,6 +1396,7 @@ namespace qosorch_test
 
         vector<FieldValueTuple> yellowProfile = {
             {"wred_yellow_enable", "true"},
+            {"wred_red_enable", "false"},
         };
         qos_wred_max_drop_probability_t yellowProbabilities = {
             0,   // green_max_drop_probability
@@ -1408,6 +1410,7 @@ namespace qosorch_test
         updateMaxDropProbabilityAndCheck("yellow", yellowProfile, yellowProbabilities);
 
         vector<FieldValueTuple> redProfile = {
+            {"wred_green_enable", "false"},
             {"wred_red_enable", "true"},
         };
         qos_wred_max_drop_probability_t redProbabilities = {