Commit c5a06fdc authored by Pedro Tammela's avatar Pedro Tammela Committed by Paolo Abeni
Browse files

selftests: tc-testing: add tests for qfq mtu sanity check 



QFQ only supports a certain bound of MTU size so make sure
we check for this requirement in the tests.

Acked-by: default avatarJamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: default avatarPedro Tammela <pctammela@mojatatu.com>
Reviewed-by: default avatarSimon Horman <simon.horman@corigine.com>
Tested-by: default avatarZhengchao Shao <shaozhengchao@huawei.com>
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent 158810b2

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

+48 −0
Original line number Diff line number Diff line
@@ -213,5 +213,53 @@ 
            "$TC qdisc del dev $DUMMY handle 1: root",

            "$IP link del dev $DUMMY type dummy"

        ]

    },

    {

        "id": "85ee",

        "name": "QFQ with big MTU",

        "category": [

            "qdisc",

            "qfq"

        ],

        "plugins": {

            "requires": "nsPlugin"

        },

        "setup": [

            "$IP link add dev $DUMMY type dummy || /bin/true",

            "$IP link set dev $DUMMY mtu 2147483647 || /bin/true",

            "$TC qdisc add dev $DUMMY handle 1: root qfq"

        ],

        "cmdUnderTest": "$TC class add dev $DUMMY parent 1: classid 1:1 qfq weight 100",

        "expExitCode": "2",

        "verifyCmd": "$TC class show dev $DUMMY",

        "matchPattern": "class qfq 1:",

        "matchCount": "0",

        "teardown": [

            "$IP link del dev $DUMMY type dummy"

        ]

    },

    {

        "id": "ddfa",

        "name": "QFQ with small MTU",

        "category": [

            "qdisc",

            "qfq"

        ],

        "plugins": {

            "requires": "nsPlugin"

        },

        "setup": [

            "$IP link add dev $DUMMY type dummy || /bin/true",

            "$IP link set dev $DUMMY mtu 256 || /bin/true",

            "$TC qdisc add dev $DUMMY handle 1: root qfq"

        ],

        "cmdUnderTest": "$TC class add dev $DUMMY parent 1: classid 1:1 qfq weight 100",

        "expExitCode": "2",

        "verifyCmd": "$TC class show dev $DUMMY",

        "matchPattern": "class qfq 1:",

        "matchCount": "0",

        "teardown": [

            "$IP link del dev $DUMMY type dummy"

        ]

    }

]