selftests/tc-testing: add selftests for tbf qdisc

Test 6430: Create TBF with default setting
Test 0518: Create TBF with mtu setting
Test 320a: Create TBF with peakrate setting
Test 239b: Create TBF with latency setting
Test c975: Create TBF with overhead setting
Test 948c: Create TBF with linklayer setting
Test 3549: Replace TBF with mtu
Test f948: Change TBF with latency time
Test 2348: Show TBF class

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

2 files changed, 212 insertions, 0 deletions

diff --git a/tools/testing/selftests/tc-testing/config b/tools/testing/selftests/tc-testing/config
index d6063918e2c3..f8e5e1428bac 100644
--- a/tools/testing/selftests/tc-testing/config
+++ b/tools/testing/selftests/tc-testing/config
@@ -26,6 +26,7 @@ CONFIG_NET_SCH_SFB=m
 CONFIG_NET_SCH_SFQ=m
 CONFIG_NET_SCH_SKBPRIO=m
 CONFIG_NET_SCH_TAPRIO=m
+CONFIG_NET_SCH_TBF=m
 
 #
 # Classification
diff --git a/tools/testing/selftests/tc-testing/tc-tests/qdiscs/tbf.json b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/tbf.json
new file mode 100644
index 000000000000..a4b3dfe51ff5
--- /dev/null
+++ b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/tbf.json
@@ -0,0 +1,211 @@
+[
+    {
+        "id": "6430",
+        "name": "Create TBF with default setting",
+        "category": [
+            "qdisc",
+            "tbf"
+        ],
+        "plugins": {
+            "requires": "nsPlugin"
+        },
+        "setup": [
+            "$IP link add dev $DUMMY type dummy || /bin/true"
+        ],
+        "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root tbf limit 1000 burst 1500 rate 10000",
+        "expExitCode": "0",
+        "verifyCmd": "$TC qdisc show dev $DUMMY",
+        "matchPattern": "qdisc tbf 1: root refcnt [0-9]+ rate 10Kbit burst 1500b limit 1000b",
+        "matchCount": "1",
+        "teardown": [
+            "$TC qdisc del dev $DUMMY handle 1: root",
+            "$IP link del dev $DUMMY type dummy"
+        ]
+    },
+    {
+        "id": "0518",
+        "name": "Create TBF with mtu setting",
+        "category": [
+            "qdisc",
+            "tbf"
+        ],
+        "plugins": {
+            "requires": "nsPlugin"
+        },
+        "setup": [
+            "$IP link add dev $DUMMY type dummy || /bin/true"
+        ],
+        "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root tbf limit 1000 burst 1500 rate 20000 mtu 2048",
+        "expExitCode": "0",
+        "verifyCmd": "$TC qdisc show dev $DUMMY",
+        "matchPattern": "qdisc tbf 1: root refcnt [0-9]+ rate 20Kbit burst 1500b limit 1000b",
+        "matchCount": "1",
+        "teardown": [
+            "$TC qdisc del dev $DUMMY handle 1: root",
+            "$IP link del dev $DUMMY type dummy"
+        ]
+    },
+    {
+        "id": "320a",
+        "name": "Create TBF with peakrate setting",
+        "category": [
+            "qdisc",
+            "tbf"
+        ],
+        "plugins": {
+            "requires": "nsPlugin"
+        },
+        "setup": [
+            "$IP link add dev $DUMMY type dummy || /bin/true"
+        ],
+        "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root tbf limit 1000 burst 1500 rate 20000 mtu 1510 peakrate 30000",
+        "expExitCode": "0",
+        "verifyCmd": "$TC qdisc show dev $DUMMY",
+        "matchPattern": "qdisc tbf 1: root refcnt [0-9]+ rate 20Kbit burst 1500b peakrate 30Kbit minburst.*limit 1000b",
+        "matchCount": "1",
+        "teardown": [
+            "$TC qdisc del dev $DUMMY handle 1: root",
+            "$IP link del dev $DUMMY type dummy"
+        ]
+    },
+    {
+        "id": "239b",
+        "name": "Create TBF with latency setting",
+        "category": [
+            "qdisc",
+            "tbf"
+        ],
+        "plugins": {
+            "requires": "nsPlugin"
+        },
+        "setup": [
+            "$IP link add dev $DUMMY type dummy || /bin/true"
+        ],
+        "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root tbf burst 1500 rate 20000 latency 100ms",
+        "expExitCode": "0",
+        "verifyCmd": "$TC qdisc show dev $DUMMY",
+        "matchPattern": "qdisc tbf 1: root refcnt [0-9]+ rate 20Kbit burst 1500b lat 100ms",
+        "matchCount": "1",
+        "teardown": [
+            "$TC qdisc del dev $DUMMY handle 1: root",
+            "$IP link del dev $DUMMY type dummy"
+        ]
+    },
+    {
+        "id": "c975",
+        "name": "Create TBF with overhead setting",
+        "category": [
+            "qdisc",
+            "tbf"
+        ],
+        "plugins": {
+            "requires": "nsPlugin"
+        },
+        "setup": [
+            "$IP link add dev $DUMMY type dummy || /bin/true"
+        ],
+        "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root tbf limit 1000 burst 1500 rate 20000 overhead 300",
+        "expExitCode": "0",
+        "verifyCmd": "$TC qdisc show dev $DUMMY",
+        "matchPattern": "qdisc tbf 1: root refcnt [0-9]+ rate 20Kbit burst 1800b limit 1000b overhead 300",
+        "matchCount": "1",
+        "teardown": [
+            "$TC qdisc del dev $DUMMY handle 1: root",
+            "$IP link del dev $DUMMY type dummy"
+        ]
+    },
+    {
+        "id": "948c",
+        "name": "Create TBF with linklayer setting",
+        "category": [
+            "qdisc",
+            "tbf"
+        ],
+        "plugins": {
+            "requires": "nsPlugin"
+        },
+        "setup": [
+            "$IP link add dev $DUMMY type dummy || /bin/true"
+        ],
+        "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root tbf limit 1000 burst 1500 rate 20000 linklayer atm",
+        "expExitCode": "0",
+        "verifyCmd": "$TC qdisc show dev $DUMMY",
+        "matchPattern": "qdisc tbf 1: root refcnt [0-9]+ rate 20Kbit burst 1696b limit 1000b linklayer atm",
+        "matchCount": "1",
+        "teardown": [
+            "$TC qdisc del dev $DUMMY handle 1: root",
+            "$IP link del dev $DUMMY type dummy"
+        ]
+    },
+    {
+        "id": "3549",
+        "name": "Replace TBF with mtu",
+        "category": [
+            "qdisc",
+            "tbf"
+        ],
+        "plugins": {
+            "requires": "nsPlugin"
+        },
+        "setup": [
+            "$IP link add dev $DUMMY type dummy || /bin/true",
+            "$TC qdisc add dev $DUMMY handle 1: root tbf limit 1000 burst 1500 rate 20000 linklayer atm"
+        ],
+        "cmdUnderTest": "$TC qdisc replace dev $DUMMY handle 1: root tbf limit 1000 burst 1500 rate 20000 linklayer ethernet",
+        "expExitCode": "0",
+        "verifyCmd": "$TC qdisc show dev $DUMMY",
+        "matchPattern": "qdisc tbf 1: root refcnt [0-9]+ rate 20Kbit burst 1500b limit 1000b",
+        "matchCount": "1",
+        "teardown": [
+            "$TC qdisc del dev $DUMMY handle 1: root",
+            "$IP link del dev $DUMMY type dummy"
+        ]
+    },
+    {
+        "id": "f948",
+        "name": "Change TBF with latency time",
+        "category": [
+            "qdisc",
+            "tbf"
+        ],
+        "plugins": {
+            "requires": "nsPlugin"
+        },
+        "setup": [
+            "$IP link add dev $DUMMY type dummy || /bin/true",
+            "$TC qdisc add dev $DUMMY handle 1: root tbf burst 1500 rate 20000 latency 10ms"
+        ],
+        "cmdUnderTest": "$TC qdisc change dev $DUMMY handle 1: root tbf burst 1500 rate 20000 latency 200ms",
+        "expExitCode": "0",
+        "verifyCmd": "$TC qdisc show dev $DUMMY",
+        "matchPattern": "qdisc tbf 1: root refcnt [0-9]+ rate 20Kbit burst 1500b lat 200ms",
+        "matchCount": "1",
+        "teardown": [
+            "$TC qdisc del dev $DUMMY handle 1: root",
+            "$IP link del dev $DUMMY type dummy"
+        ]
+    },
+    {
+        "id": "2348",
+        "name": "Show TBF class",
+        "category": [
+            "qdisc",
+            "tbf"
+        ],
+        "plugins": {
+            "requires": "nsPlugin"
+        },
+        "setup": [
+            "$IP link add dev $DUMMY type dummy || /bin/true"
+        ],
+        "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root tbf limit 1000 burst 1500 rate 10000",
+        "expExitCode": "0",
+        "verifyCmd": "$TC class show dev $DUMMY",
+        "matchPattern": "class tbf.*parent 1:",
+        "matchCount": "1",
+        "teardown": [
+            "$TC qdisc del dev $DUMMY handle 1: root",
+            "$IP link del dev $DUMMY type dummy"
+        ]
+    }
+]