Commit 137f6219 authored by Pedro Tammela's avatar Pedro Tammela Committed by Paolo Abeni
Browse files

selftests: tc-testing: add test for qfq with stab overhead 



A packet with stab overhead greater than QFQ_MAX_LMAX should be dropped
by the QFQ qdisc as it can't handle such lengths.

Signed-off-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 3e337087

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

+38 −0
Original line number Diff line number Diff line
@@ -261,5 +261,43 @@ 
        "teardown": [

            "$IP link del dev $DUMMY type dummy"

        ]

    },

    {

        "id": "5993",

        "name": "QFQ with stab overhead greater than max packet len",

        "category": [

            "qdisc",

            "qfq",

            "scapy"

        ],

        "plugins": {

            "requires": [

                "nsPlugin",

                "scapyPlugin"

            ]

        },

        "setup": [

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

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

            "$TC qdisc add dev $DUMMY handle 1: stab mtu 2048 tsize 512 mpu 0 overhead 999999999 linklayer ethernet root qfq",

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

            "$TC qdisc add dev $DEV1 clsact",

            "$TC filter add dev $DEV1 ingress protocol ip flower dst_ip 1.3.3.7/32 action mirred egress mirror dev $DUMMY"

        ],

        "cmdUnderTest": "$TC filter add dev $DUMMY parent 1: matchall classid 1:1",

        "scapy": [

            {

                "iface": "$DEV0",

                "count": 22,

                "packet": "Ether(type=0x800)/IP(src='10.0.0.10',dst='1.3.3.7')/TCP(sport=5000,dport=10)"

            }

        ],

        "expExitCode": "0",

        "verifyCmd": "$TC -s qdisc ls dev $DUMMY",

        "matchPattern": "dropped 22",

        "matchCount": "1",

        "teardown": [

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

        ]

    }

]