Commit 91aadc16 authored by Cong Wang's avatar Cong Wang Committed by Jakub Kicinski
Browse files

selftests/tc-testing: Add a test case for qdisc_tree_reduce_backlog() 



Integrate the test case provided by Mingi Cho into TDC.

All test results:

1..4
ok 1 ca5e - Check class delete notification for ffff:
ok 2 e4b7 - Check class delete notification for root ffff:
ok 3 33a9 - Check ingress is not searchable on backlog update
ok 4 a4b9 - Test class qlen notification

Cc: Mingi Cho <mincho@theori.io>
Signed-off-by: default avatarCong Wang <cong.wang@bytedance.com>
Link: https://patch.msgid.link/20250204005841.223511-5-xiyou.wangcong@gmail.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 638ba508

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

+33 −1
Original line number Diff line number Diff line
@@ -94,5 +94,37 @@ 
            "$TC qdisc del dev $DUMMY ingress",

            "$IP addr del 10.10.10.10/24 dev $DUMMY"

        ]

    },

    {

	"id": "a4b9",

	"name": "Test class qlen notification",

	"category": [

	    "qdisc"

	],

	"plugins": {

	    "requires": "nsPlugin"

	},

	"setup": [

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

            "$IP addr add 10.10.10.10/24 dev $DUMMY || true",

            "$TC qdisc add dev $DUMMY root handle 1: drr",

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

            "$TC class add dev $DUMMY parent 1: classid 1:1 drr",

            "$TC qdisc add dev $DUMMY parent 1:1 handle 2: netem",

            "$TC qdisc add dev $DUMMY parent 2: handle 3: drr",

            "$TC filter add dev $DUMMY parent 3: basic action drop",

            "$TC class add dev $DUMMY parent 3: classid 3:1 drr",

            "$TC class del dev $DUMMY classid 1:1",

            "$TC class add dev $DUMMY parent 1: classid 1:1 drr"

        ],

        "cmdUnderTest": "ping -c1 -W0.01 -I $DUMMY 10.10.10.1",

        "expExitCode": "1",

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

        "matchPattern": "drr 1: root",

        "matchCount": "1",

        "teardown": [

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

            "$IP addr del 10.10.10.10/24 dev $DUMMY"

        ]

   }

]