[Yang model] SONiC QOS Scheduler, WRED, Queue Yangs (#7281)

src/sonic-yang-models/setup.py

@@ -76,6 +76,9 @@
                          './yang-models/sonic-vrf.yang',
                          './yang-models/sonic-warm-restart.yang',
                          './yang-models/sonic-lldp.yang',
+                         './yang-models/sonic-scheduler.yang',
+                         './yang-models/sonic-wred-profile.yang',
+                         './yang-models/sonic-queue.yang',
                          './yang-models/sonic_yang_tree']),
     ],
     zip_safe=False,

src/sonic-yang-models/tests/files/sample_config_db.json

@@ -1138,6 +1138,56 @@
                 "high_mem_alert": "disabled",
                 "state": "enabled"
             }
+        },
+
+        "SCHEDULER": {
+            "TEST@0": {
+                "cbs": "256",
+                "cir": "1250000",
+                "meter_type": "bytes",
+                "pbs": "1024",
+                "pir": "25000000",
+                "type": "DWRR",
+                "weight": "20"
+            },
+
+            "TEST@1": {
+                "cbs": "1024",
+                "cir": "1280000",
+                "meter_type": "bytes",
+                "pbs": "2048",
+                "pir": "2560000",
+                "type": "STRICT"
+            }
+        },
+
+        "WRED_PROFILE": {
+            "Wred1": {
+                "ecn": "ecn_all",
+                "green_drop_probability": "50",
+                "green_max_threshold": "2048000",
+                "green_min_threshold": "1024000",
+                "wred_green_enable": "true",
+                "yellow_drop_probability": "50",
+                "yellow_max_threshold": "2048000",
+                "yellow_min_threshold": "1024000",
+                "wred_yellow_enable": "true",
+                "red_drop_probability": "50",
+                "red_max_threshold": "2048000",
+                "red_min_threshold": "1024000",
+                "wred_red_enable": "true"
+            }
+        },
+
+        "QUEUE": {
+            "Ethernet0|0": {
+                "scheduler": "TEST@0",
+                "wred_profile": "Wred1"
+            },
+            "Ethernet0|1": {
+                "scheduler": "TEST@1",
+                "wred_profile": "Wred1"
+            }
         }
     },
 
@@ -1146,5 +1196,4 @@
             "Error": "This Table is for testing, This Table does not have YANG models."
         }
     }
-
 }

src/sonic-yang-models/tests/yang_model_tests/tests/qos.json

@@ -0,0 +1,85 @@
+{
+    "SCHEDULER_VALID": {
+        "desc": "Configure SCHEDULER table."
+    },
+
+    "SCHEDULER_UNDEFINED_TYPE": {
+        "desc": "Configure undefined type in SCHEDULER table.",
+        "eStrKey" : "InvalidValue",
+        "eStr": ["type"]
+    },
+
+    "SCHEDULER_INVALID_WEIGHT": {
+        "desc": "Configure outof range weight in SCHEDULER table.",
+        "eStrKey" : "Pattern"
+    },
+
+    "SCHEDULER_INVALID_METER_TYPE": {
+        "desc": "Configure unsuported meter type in SCHEDULER table.",
+        "eStrKey": "InvalidValue",
+        "eStr": ["meter_type"]
+    },
+
+    "SCHEDULER_CBS_NO_CIR": {
+        "desc": "Configure CBS without CIR.",
+        "eStr": ["cbs can't be configured without cir"]
+    },
+
+    "SCHEDULER_PIR_NO_CIR": {
+        "desc": "Configure PIR without CIR.",
+        "eStr": ["pir can't be configured without cir"]
+    },
+
+    "SCHEDULER_PIR_VS_CIR": {
+        "desc": "Configure PIR vs CIR.",
+        "eStr": ["pir must be greater than or equal to cir"]
+    },
+
+    "WRED_PROFILE_EMPTY": {
+        "desc": "Configure Empty WRED profile."
+    },
+
+    "WRED_PROFILE_VALID": {
+        "desc": "Configure WRED profile."
+    },
+
+    "WRED_PROFILE_INVALID_DROP_PROBABILITY": {
+        "desc": "Configure invalid drop probability in WRED profile.",
+        "eStrKey" : "Pattern"
+    },
+
+    "WRED_PROFILE_INVALID_GREEN_THRESHOLD": {
+        "desc": "Configure green maximum threshold less than min threshold in WRED profile.",
+        "eStr": ["Green max threshold must be greater than or equal to min threshold"]
+    },
+
+    "WRED_PROFILE_INVALID_YELLOW_THRESHOLD": {
+        "desc": "Configure yellow maximum threshold less than min threshold in WRED profile.",
+        "eStr": ["Yellow max threshold must be greater than or equal to min threshold"]
+    },
+
+    "WRED_PROFILE_INVALID_RED_THRESHOLD": {
+        "desc": "Configure red maximum threshold less than min threshold in WRED profile.",
+        "eStr": ["Red max threshold must be greater than or equal to min threshold"]
+    },
+
+
+    "QUEUE_VALID": {
+        "desc": "Attach scheduler and wred profiles to QUEUE."
+    },
+
+    "QUEUE_PORT_NOT_EXIST": {
+        "desc": "Referring non-existing PORT table.",
+        "eStrKey": "InvalidValue"
+    },
+
+    "QUEUE_SCHEDULER_NOT_EXIST": {
+        "desc": "Referring non-existing SCHEDULER table.",
+        "eStrKey" : "LeafRef"
+    },
+
+    "QUEUE_WRED_NOT_EXIST": {
+        "desc": "Referring non-existing WRED table.",
+        "eStrKey" : "LeafRef"
+    }
+}