netdev - Re: [PATCH net-next v2 1/6] selftests: qdiscs: Add TDC test for RED

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Date:   Wed, 11 Mar 2020 22:20:34 -0400
From:   Roman Mashak <mrv@...atatu.com>
To:     Petr Machata <petrm@...lanox.com>
Cc:     netdev@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>,
        jhs@...atatu.com, xiyou.wangcong@...il.com, davem@...emloft.net,
        jiri@...lanox.com, mlxsw@...lanox.com
Subject: Re: [PATCH net-next v2 1/6] selftests: qdiscs: Add TDC test for RED

Petr Machata <petrm@...lanox.com> writes:

> Add a handful of tests for creating RED with different flags.
>
> Signed-off-by: Petr Machata <petrm@...lanox.com>
> ---
>
> Notes:
>     v2:
>     - Require nsPlugin in each RED test
>     - Match end-of-line to catch cases of more flags reported than
>       requested
>
>  .../tc-testing/tc-tests/qdiscs/red.json       | 117 ++++++++++++++++++
>  1 file changed, 117 insertions(+)
>  create mode 100644 tools/testing/selftests/tc-testing/tc-tests/qdiscs/red.json
>
> diff --git a/tools/testing/selftests/tc-testing/tc-tests/qdiscs/red.json b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/red.json
> new file mode 100644
> index 000000000000..b70a54464897
> --- /dev/null
> +++ b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/red.json
> @@ -0,0 +1,117 @@
> +[
> +    {
> +        "id": "8b6e",
> +        "name": "Create RED with no flags",
> +        "category": [
> +            "qdisc",
> +            "red"
> +        ],
> +        "plugins": {
> +            "requires": "nsPlugin"
> +        },
> +        "setup": [
> +            "$IP link add dev $DUMMY type dummy || /bin/true"
> +        ],
> +        "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root red limit 1M avpkt 1500 min 100K max 300K",
> +        "expExitCode": "0",
> +        "verifyCmd": "$TC qdisc show dev $DUMMY",
> +        "matchPattern": "qdisc red 1: root .* limit 1Mb min 100Kb max 300Kb $",
> +        "matchCount": "1",
> +        "teardown": [
> +            "$TC qdisc del dev $DUMMY handle 1: root",
> +            "$IP link del dev $DUMMY type dummy"
> +        ]
> +    },
> +    {
> +        "id": "342e",
> +        "name": "Create RED with adaptive flag",
> +        "category": [
> +            "qdisc",
> +            "red"
> +        ],
> +        "plugins": {
> +            "requires": "nsPlugin"
> +        },
> +        "setup": [
> +            "$IP link add dev $DUMMY type dummy || /bin/true"
> +        ],
> +        "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root red adaptive limit 1M avpkt 1500 min 100K max 300K",
> +        "expExitCode": "0",
> +        "verifyCmd": "$TC qdisc show dev $DUMMY",
> +        "matchPattern": "qdisc red 1: root .* limit 1Mb min 100Kb max 300Kb adaptive $",
> +        "matchCount": "1",
> +        "teardown": [
> +            "$TC qdisc del dev $DUMMY handle 1: root",
> +            "$IP link del dev $DUMMY type dummy"
> +        ]
> +    },
> +    {
> +        "id": "2d4b",
> +        "name": "Create RED with ECN flag",
> +        "category": [
> +            "qdisc",
> +            "red"
> +        ],
> +        "plugins": {
> +            "requires": "nsPlugin"
> +        },
> +        "setup": [
> +            "$IP link add dev $DUMMY type dummy || /bin/true"
> +        ],
> +        "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root red ecn limit 1M avpkt 1500 min 100K max 300K",
> +        "expExitCode": "0",
> +        "verifyCmd": "$TC qdisc show dev $DUMMY",
> +        "matchPattern": "qdisc red 1: root .* limit 1Mb min 100Kb max 300Kb ecn $",
> +        "matchCount": "1",
> +        "teardown": [
> +            "$TC qdisc del dev $DUMMY handle 1: root",
> +            "$IP link del dev $DUMMY type dummy"
> +        ]
> +    },
> +    {
> +        "id": "650f",
> +        "name": "Create RED with flags ECN, adaptive",
> +        "category": [
> +            "qdisc",
> +            "red"
> +        ],
> +        "plugins": {
> +            "requires": "nsPlugin"
> +        },
> +        "setup": [
> +            "$IP link add dev $DUMMY type dummy || /bin/true"
> +        ],
> +        "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root red ecn adaptive limit 1M avpkt 1500 min 100K max 300K",
> +        "expExitCode": "0",
> +        "verifyCmd": "$TC qdisc show dev $DUMMY",
> +        "matchPattern": "qdisc red 1: root .* limit 1Mb min 100Kb max 300Kb ecn adaptive $",
> +        "matchCount": "1",
> +        "teardown": [
> +            "$TC qdisc del dev $DUMMY handle 1: root",
> +            "$IP link del dev $DUMMY type dummy"
> +        ]
> +    },
> +    {
> +        "id": "5f15",
> +        "name": "Create RED with flags ECN, harddrop",
> +        "category": [
> +            "qdisc",
> +            "red"
> +        ],
> +        "plugins": {
> +            "requires": "nsPlugin"
> +        },
> +        "setup": [
> +            "$IP link add dev $DUMMY type dummy || /bin/true"
> +        ],
> +        "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root red ecn harddrop limit 1M avpkt 1500 min 100K max 300K",
> +        "expExitCode": "0",
> +        "verifyCmd": "$TC qdisc show dev $DUMMY",
> +        "matchPattern": "qdisc red 1: root .* limit 1Mb min 100Kb max 300Kb ecn harddrop $",
> +        "matchCount": "1",
> +        "teardown": [
> +            "$TC qdisc del dev $DUMMY handle 1: root",
> +            "$IP link del dev $DUMMY type dummy"
> +        ]
> +    }
> +]

Reviewed-by: Roman Mashak <mrv@...atatu.com>