selftests: tc-testing: add more tests for sch_qfq

The QFQ qdisc class has parameter bounds that are not being
checked for correctness.
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

tools/testing/selftests/tc-testing/tc-tests/qdiscs/qfq.json

@@ -46,6 +46,30 @@
             "$IP link del dev $DUMMY type dummy"
         ]
     },
+    {
+        "id": "d364",
+        "name": "Test QFQ with max class weight setting",
+        "category": [
+            "qdisc",
+            "qfq"
+        ],
+        "plugins": {
+            "requires": "nsPlugin"
+        },
+        "setup": [
+            "$IP link add dev $DUMMY type dummy || /bin/true",
+            "$TC qdisc add dev $DUMMY handle 1: root qfq"
+        ],
+        "cmdUnderTest": "$TC class add dev $DUMMY parent 1: classid 1:1 qfq weight 9999",
+        "expExitCode": "2",
+        "verifyCmd": "$TC class show dev $DUMMY",
+        "matchPattern": "class qfq 1:1 root weight 9999 maxpkt",
+        "matchCount": "0",
+        "teardown": [
+            "$TC qdisc del dev $DUMMY handle 1: root",
+            "$IP link del dev $DUMMY type dummy"
+        ]
+    },
     {
         "id": "8452",
         "name": "Create QFQ with class maxpkt setting",
@@ -70,6 +94,54 @@
             "$IP link del dev $DUMMY type dummy"
         ]
     },
+    {
+        "id": "22df",
+        "name": "Test QFQ class maxpkt setting lower bound",
+        "category": [
+            "qdisc",
+            "qfq"
+        ],
+        "plugins": {
+            "requires": "nsPlugin"
+        },
+        "setup": [
+            "$IP link add dev $DUMMY type dummy || /bin/true",
+            "$TC qdisc add dev $DUMMY handle 1: root qfq"
+        ],
+        "cmdUnderTest": "$TC class add dev $DUMMY parent 1: classid 1:1 qfq maxpkt 128",
+        "expExitCode": "2",
+        "verifyCmd": "$TC class show dev $DUMMY",
+        "matchPattern": "class qfq 1:1 root weight 1 maxpkt 128",
+        "matchCount": "0",
+        "teardown": [
+            "$TC qdisc del dev $DUMMY handle 1: root",
+            "$IP link del dev $DUMMY type dummy"
+        ]
+    },
+    {
+        "id": "92ee",
+        "name": "Test QFQ class maxpkt setting upper bound",
+        "category": [
+            "qdisc",
+            "qfq"
+        ],
+        "plugins": {
+            "requires": "nsPlugin"
+        },
+        "setup": [
+            "$IP link add dev $DUMMY type dummy || /bin/true",
+            "$TC qdisc add dev $DUMMY handle 1: root qfq"
+        ],
+        "cmdUnderTest": "$TC class add dev $DUMMY parent 1: classid 1:1 qfq maxpkt 99999",
+        "expExitCode": "2",
+        "verifyCmd": "$TC class show dev $DUMMY",
+        "matchPattern": "class qfq 1:1 root weight 1 maxpkt 99999",
+        "matchCount": "0",
+        "teardown": [
+            "$TC qdisc del dev $DUMMY handle 1: root",
+            "$IP link del dev $DUMMY type dummy"
+        ]
+    },
     {
         "id": "d920",
         "name": "Create QFQ with multiple class setting",