netdev - Re: [PATCH] selftests: tc-testing: add one test for flushing explicitly created chain

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Message-ID: <961f4d1a-6756-0a09-f578-5bf5791a1a64@huawei.com>
Date: Sat, 17 Jun 2023 16:01:29 +0800
From: shaozhengchao <shaozhengchao@...wei.com>
To: renmingshuai <renmingshuai@...wei.com>, <pctammela@...atatu.com>,
	<vladbu@...dia.com>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <jhs@...atatu.com>,
	<xiyou.wangcong@...il.com>, <jiri@...nulli.us>, <davem@...emloft.net>,
	<edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>
CC: <liaichun@...wei.com>, <caowangbao@...wei.com>, <yanan@...wei.com>,
	<liubo335@...wei.com>
Subject: Re: [PATCH] selftests: tc-testing: add one test for flushing
 explicitly created chain


Hi renmingshuai:
On 2023/6/17 11:20, renmingshuai wrote:
> Add the test for additional reference to chains that are explicitly created
>   by RTM_NEWCHAIN message
> 
> commit c9a82bec02c3 ("net/sched: cls_api: Fix lockup on flushing explicitly
>   created chain")
> Signed-off-by: Mingshuai Ren <renmingshuai@...wei.com>
> ---
>   .../tc-testing/tc-tests/infra/filter.json     | 25 +++++++++++++++++++
>   1 file changed, 25 insertions(+)
>   create mode 100644 tools/testing/selftests/tc-testing/tc-tests/infra/filter.json
> 
> diff --git a/tools/testing/selftests/tc-testing/tc-tests/infra/filter.json b/tools/testing/selftests/tc-testing/tc-tests/infra/filter.json
> new file mode 100644
> index 000000000000..c4c778e83da2
> --- /dev/null
> +++ b/tools/testing/selftests/tc-testing/tc-tests/infra/filter.json
> @@ -0,0 +1,25 @@
> +[
> +    {
> +        "id": "c2b4",
> +        "name": "soft lockup alarm will be not generated after delete the prio 0 filter of the chain",
	 "Delete the prio 0 filter of chain" looks better. And adding
  test result in comment also will be better.

Zhengchao Shao
> +        "category": [
> +            "filter",
> +            "chain"
> +        ],
> +        "setup": [
> +            "$IP link add dev $DUMMY type dummy || /bin/true",
> +            "$TC qdisc add dev $DUMMY root handle 1: htb default 1",
> +            "$TC chain add dev $DUMMY",
> +            "$TC filter del dev $DUMMY chain 0 parent 1: prio 0"
> +        ],
> +        "cmdUnderTest": "$TC filter add dev $DUMMY chain 0 parent 1:",
> +        "expExitCode": "2",
> +        "verifyCmd": "$TC chain ls dev $DUMMY",
> +        "matchPattern": "chain parent 1: chain 0",
> +        "matchCount": "1",
> +        "teardown": [
> +            "$TC qdisc del dev $DUMMY root handle 1: htb default 1",
> +            "$IP link del dev $DUMMY type dummy"
> +        ]
> +    }
> +]