selftests/tc-testing: add selftests for choke qdisc

Test 8937: Create CHOKE with default setting
Test 48c0: Create CHOKE with min packet setting
Test 38c1: Create CHOKE with max packet setting
Test 234a: Create CHOKE with ecn setting
Test 4380: Create CHOKE with burst setting
Test 48c7: Delete CHOKE with valid handle
Test 4398: Replace CHOKE with min setting
Test 0301: Change CHOKE with limit setting

Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 189 insertions, 0 deletions

diff --git a/tools/testing/selftests/tc-testing/config b/tools/testing/selftests/tc-testing/config
index 711e9e6cef9b..e104e8ec30aa 100644
--- a/tools/testing/selftests/tc-testing/config
+++ b/tools/testing/selftests/tc-testing/config
@@ -13,6 +13,7 @@ CONFIG_NET_SCHED=y
 # Queueing/Scheduling
 #
 CONFIG_NET_SCH_ATM=m
+CONFIG_NET_SCH_CHOKE=m
 CONFIG_NET_SCH_PRIO=m
 CONFIG_NET_SCH_INGRESS=m
 
diff --git a/tools/testing/selftests/tc-testing/tc-tests/qdiscs/choke.json b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/choke.json
new file mode 100644
index 000000000000..31b7775d25fc
--- /dev/null
+++ b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/choke.json
@@ -0,0 +1,188 @@
+[
+    {
+        "id": "8937",
+        "name": "Create CHOKE with default setting",
+        "category": [
+            "qdisc",
+            "choke"
+        ],
+        "plugins": {
+            "requires": "nsPlugin"
+        },
+        "setup": [
+            "$IP link add dev $DUMMY type dummy || /bin/true"
+        ],
+        "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root choke limit 1000 bandwidth 10000",
+        "expExitCode": "0",
+        "verifyCmd": "$TC qdisc show dev $DUMMY",
+        "matchPattern": "qdisc choke 1: root refcnt [0-9]+ limit 1000p min 83p max 250p",
+        "matchCount": "1",
+        "teardown": [
+            "$TC qdisc del dev $DUMMY handle 1: root",
+            "$IP link del dev $DUMMY type dummy"
+        ]
+    },
+    {
+        "id": "48c0",
+        "name": "Create CHOKE with min packet setting",
+        "category": [
+            "qdisc",
+            "choke"
+        ],
+        "plugins": {
+            "requires": "nsPlugin"
+        },
+        "setup": [
+            "$IP link add dev $DUMMY type dummy || /bin/true"
+        ],
+        "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root choke limit 1000 bandwidth 10000 min 100",
+        "expExitCode": "0",
+        "verifyCmd": "$TC qdisc show dev $DUMMY",
+        "matchPattern": "qdisc choke 1: root refcnt [0-9]+ limit 1000p min 100p max 250p",
+        "matchCount": "1",
+        "teardown": [
+            "$TC qdisc del dev $DUMMY handle 1: root",
+            "$IP link del dev $DUMMY type dummy"
+        ]
+    },
+    {
+        "id": "38c1",
+        "name": "Create CHOKE with max packet setting",
+        "category": [
+            "qdisc",
+            "choke"
+        ],
+        "plugins": {
+            "requires": "nsPlugin"
+        },
+        "setup": [
+            "$IP link add dev $DUMMY type dummy || /bin/true"
+        ],
+        "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root choke limit 1000 bandwidth 10000 max 900",
+        "expExitCode": "0",
+        "verifyCmd": "$TC qdisc show dev $DUMMY",
+        "matchPattern": "qdisc choke 1: root refcnt [0-9]+ limit 1000p min.*max 900p",
+        "matchCount": "1",
+        "teardown": [
+            "$TC qdisc del dev $DUMMY handle 1: root",
+            "$IP link del dev $DUMMY type dummy"
+        ]
+    },
+    {
+        "id": "234a",
+        "name": "Create CHOKE with ecn setting",
+        "category": [
+            "qdisc",
+            "choke"
+        ],
+        "plugins": {
+            "requires": "nsPlugin"
+        },
+        "setup": [
+            "$IP link add dev $DUMMY type dummy || /bin/true"
+        ],
+        "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root choke limit 1000 bandwidth 10000 ecn",
+        "expExitCode": "0",
+        "verifyCmd": "$TC qdisc show dev $DUMMY",
+        "matchPattern": "qdisc choke 1: root refcnt [0-9]+ limit 1000p min 83p max 250p ecn",
+        "matchCount": "1",
+        "teardown": [
+            "$TC qdisc del dev $DUMMY handle 1: root",
+            "$IP link del dev $DUMMY type dummy"
+        ]
+    },
+    {
+        "id": "4380",
+        "name": "Create CHOKE with burst setting",
+        "category": [
+            "qdisc",
+            "choke"
+        ],
+        "plugins": {
+            "requires": "nsPlugin"
+        },
+        "setup": [
+            "$IP link add dev $DUMMY type dummy || /bin/true"
+        ],
+        "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root choke limit 1000 bandwidth 10000 burst 100",
+        "expExitCode": "0",
+        "verifyCmd": "$TC qdisc show dev $DUMMY",
+        "matchPattern": "qdisc choke 1: root refcnt [0-9]+ limit 1000p min 83p max 250p",
+        "matchCount": "1",
+        "teardown": [
+            "$TC qdisc del dev $DUMMY handle 1: root",
+            "$IP link del dev $DUMMY type dummy"
+        ]
+    },
+    {
+        "id": "48c7",
+        "name": "Delete CHOKE with valid handle",
+        "category": [
+            "qdisc",
+            "choke"
+        ],
+        "plugins": {
+            "requires": "nsPlugin"
+        },
+        "setup": [
+            "$IP link add dev $DUMMY type dummy || /bin/true",
+            "$TC qdisc add dev $DUMMY handle 1: root choke limit 1000 bandwidth 10000"
+        ],
+        "cmdUnderTest": "$TC qdisc del dev $DUMMY handle 1: root",
+        "expExitCode": "0",
+        "verifyCmd": "$TC qdisc show dev $DUMMY",
+        "matchPattern": "qdisc choke 1: root refcnt [0-9]+ limit 1000p min 83p max 250p",
+        "matchCount": "0",
+        "teardown": [
+            "$IP link del dev $DUMMY type dummy"
+        ]
+    },
+    {
+        "id": "4398",
+        "name": "Replace CHOKE with min setting",
+        "category": [
+            "qdisc",
+            "choke"
+        ],
+        "plugins": {
+            "requires": "nsPlugin"
+        },
+        "setup": [
+            "$IP link add dev $DUMMY type dummy || /bin/true",
+            "$TC qdisc add dev $DUMMY handle 1: root choke limit 1000 bandwidth 10000"
+        ],
+        "cmdUnderTest": "$TC qdisc replace dev $DUMMY handle 1: root choke limit 1000 bandwidth 10000 min 100",
+        "expExitCode": "0",
+        "verifyCmd": "$TC qdisc show dev $DUMMY",
+        "matchPattern": "qdisc choke 1: root refcnt [0-9]+ limit 1000p min 100p max 250p",
+        "matchCount": "1",
+        "teardown": [
+            "$TC qdisc del dev $DUMMY handle 1: root",
+            "$IP link del dev $DUMMY type dummy"
+        ]
+    },
+    {
+        "id": "0301",
+        "name": "Change CHOKE with limit setting",
+        "category": [
+            "qdisc",
+            "choke"
+        ],
+        "plugins": {
+            "requires": "nsPlugin"
+        },
+        "setup": [
+            "$IP link add dev $DUMMY type dummy || /bin/true",
+            "$TC qdisc add dev $DUMMY handle 1: root choke limit 1000 bandwidth 10000"
+        ],
+        "cmdUnderTest": "$TC qdisc change dev $DUMMY handle 1: root choke limit 1000 bandwidth 10000 min 100",
+        "expExitCode": "0",
+        "verifyCmd": "$TC qdisc show dev $DUMMY",
+        "matchPattern": "qdisc choke 1: root refcnt [0-9]+ limit 1000p min 100p max 250p",
+        "matchCount": "1",
+        "teardown": [
+            "$TC qdisc del dev $DUMMY handle 1: root",
+            "$IP link del dev $DUMMY type dummy"
+        ]
+    }
+]