Commit 0f6e00aa authored by Victor Nogueira's avatar Victor Nogueira Committed by Paolo Abeni
Browse files

selftests/tc-testing: Add netem test case exercising loops 



Add a netem nested duplicate test case to validate that it won't
cause an infinite loop

Acked-by: default avatarJamal Hadi Salim <jhs@mojatatu.com>
Acked-by: default avatarStephen Hemminger <stephen@networkplumber.org>
Signed-off-by: default avatarVictor Nogueira <victor@mojatatu.com>
Link: https://patch.msgid.link/20260525122556.973584-10-jhs@mojatatu.com


Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent d38dc56a

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

+32 −1
Original line number Diff line number Diff line
@@ -336,5 +336,36 @@ 
        "teardown": [

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

        ]

    },

    {

        "id": "8c17",

        "name": "Test netem's recursive duplicate",

        "category": [

            "qdisc",

            "netem"

        ],

        "plugins": {

            "requires": "nsPlugin"

        },

        "setup": [

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

            "$IP addr add 10.10.11.10/24 dev $DUMMY || true",

            "$TC qdisc add dev $DUMMY root handle 1: netem limit 1000 duplicate 100%",

            "$TC qdisc add dev $DUMMY parent 1: handle 2: netem limit 1000 duplicate 100%"

        ],

        "cmdUnderTest": "ping -c 1 10.10.11.11 -W 0.01",

        "expExitCode": "1",

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

        "matchJSON": [

            {

                "kind": "netem",

                "handle": "1:",

                "bytes": 294,

                "packets": 3

            }

        ],

        "teardown": [

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

        ]

     }

]