From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A6E9ECAAA1 for ; Sat, 17 Sep 2022 01:48:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229851AbiIQBsm (ORCPT ); Fri, 16 Sep 2022 21:48:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52866 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229889AbiIQBsk (ORCPT ); Fri, 16 Sep 2022 21:48:40 -0400 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A870FA99DF; Fri, 16 Sep 2022 18:48:37 -0700 (PDT) Received: from dggpeml500026.china.huawei.com (unknown [172.30.72.57]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4MTv1L5TWzzBsMf; Sat, 17 Sep 2022 09:46:30 +0800 (CST) Received: from [10.174.178.66] (10.174.178.66) by dggpeml500026.china.huawei.com (7.185.36.106) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Sat, 17 Sep 2022 09:48:34 +0800 Message-ID: <2bcd7b7d-c6d5-e123-0d3c-07f6b9274e88@huawei.com> Date: Sat, 17 Sep 2022 09:48:34 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.0.2 Subject: Re: [PATCH net-next 03/18] selftests/tc-testings: add selftests for cake qdisc To: Victor Nogueira CC: , , , , , , , , , , , , , , , , References: <20220916030544.228274-1-shaozhengchao@huawei.com> <20220916030544.228274-4-shaozhengchao@huawei.com> From: shaozhengchao In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.178.66] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpeml500026.china.huawei.com (7.185.36.106) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org On 2022/9/17 4:32, Victor Nogueira wrote: > On Fri, Sep 16, 2022 at 12:04 AM Zhengchao Shao > wrote: >> >> Test 1212: Create CAKE with default setting >> Test 3241: Create CAKE with bandwidth limit >> Test c940: Create CAKE with autorate-ingress flag >> Test 2310: Create CAKE with rtt time >> Test 2385: Create CAKE with besteffort flag >> Test a032: Create CAKE with diffserv8 flag >> Test 2349: Create CAKE with diffserv4 flag >> Test 8472: Create CAKE with flowblind flag >> Test 2341: Create CAKE with dsthost and nat flag >> Test 5134: Create CAKE with wash flag >> Test 2302: Create CAKE with flowblind and no-split-gso flag >> Test 0768: Create CAKE with dual-srchost and ack-filter flag >> Test 0238: Create CAKE with dual-dsthost and ack-filter-aggressive flag >> Test 6573: Create CAKE with memlimit and ptm flag >> Test 2436: Create CAKE with fwmark and atm flag >> Test 3984: Create CAKE with overhead and mpu >> Test 2342: Create CAKE with conservative and ingress flag >> Test 2313: Change CAKE with mpu >> Test 4365: Show CAKE class >> >> Signed-off-by: Zhengchao Shao >> --- >> .../tc-testing/tc-tests/qdiscs/cake.json | 488 ++++++++++++++++++ >> 1 file changed, 488 insertions(+) >> create mode 100644 tools/testing/selftests/tc-testing/tc-tests/qdiscs/cake.json >> >> diff --git a/tools/testing/selftests/tc-testing/tc-tests/qdiscs/cake.json b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/cake.json >> new file mode 100644 >> index 000000000000..11ca18bab721 >> --- /dev/null >> +++ b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/cake.json >> @@ -0,0 +1,488 @@ >> +[ >> + { >> + "id": "1212", >> + "name": "Create CAKE with default setting", >> + "category": [ >> + "qdisc", >> + "cake" >> + ], >> + "plugins": { >> + "requires": "nsPlugin" >> + }, >> + "setup": [ >> + "$IP link add dev $DUMMY type dummy || /bin/true" >> + ], >> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root cake", >> + "expExitCode": "0", >> + "verifyCmd": "$TC qdisc show dev $DUMMY", >> + "matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv3 triple-isolate nonat nowash no-ack-filter split-gso rtt 100ms raw overhead", >> + "matchCount": "1", >> + "teardown": [ >> + "$TC qdisc del dev $DUMMY handle 1: root", >> + "$IP link del dev $DUMMY type dummy" >> + ] >> + }, >> + { >> + "id": "3241", >> + "name": "Create CAKE with bandwidth limit", >> + "category": [ >> + "qdisc", >> + "cake" >> + ], >> + "plugins": { >> + "requires": "nsPlugin" >> + }, >> + "setup": [ >> + "$IP link add dev $DUMMY type dummy || /bin/true" >> + ], >> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root cake bandwidth 1000", >> + "expExitCode": "0", >> + "verifyCmd": "$TC qdisc show dev $DUMMY", >> + "matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth 1Kbit diffserv3 triple-isolate nonat nowash no-ack-filter split-gso rtt 100ms raw overhead", >> + "matchCount": "1", >> + "teardown": [ >> + "$TC qdisc del dev $DUMMY handle 1: root", >> + "$IP link del dev $DUMMY type dummy" >> + ] >> + }, >> + { >> + "id": "c940", >> + "name": "Create CAKE with autorate-ingress flag", >> + "category": [ >> + "qdisc", >> + "cake" >> + ], >> + "plugins": { >> + "requires": "nsPlugin" >> + }, >> + "setup": [ >> + "$IP link add dev $DUMMY type dummy || /bin/true" >> + ], >> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root cake autorate-ingress", >> + "expExitCode": "0", >> + "verifyCmd": "$TC qdisc show dev $DUMMY", >> + "matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited autorate-ingress diffserv3 triple-isolate nonat nowash no-ack-filter split-gso rtt 100ms raw overhead", >> + "matchCount": "1", >> + "teardown": [ >> + "$TC qdisc del dev $DUMMY handle 1: root", >> + "$IP link del dev $DUMMY type dummy" >> + ] >> + }, >> + { >> + "id": "2310", >> + "name": "Create CAKE with rtt time", >> + "category": [ >> + "qdisc", >> + "cake" >> + ], >> + "plugins": { >> + "requires": "nsPlugin" >> + }, >> + "setup": [ >> + "$IP link add dev $DUMMY type dummy || /bin/true" >> + ], >> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root cake rtt 200", >> + "expExitCode": "0", >> + "verifyCmd": "$TC qdisc show dev $DUMMY", >> + "matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv3 triple-isolate nonat nowash no-ack-filter split-gso rtt 200us raw overhead", >> + "matchCount": "1", >> + "teardown": [ >> + "$TC qdisc del dev $DUMMY handle 1: root", >> + "$IP link del dev $DUMMY type dummy" >> + ] >> + }, >> + { >> + "id": "2385", >> + "name": "Create CAKE with besteffort flag", >> + "category": [ >> + "qdisc", >> + "cake" >> + ], >> + "plugins": { >> + "requires": "nsPlugin" >> + }, >> + "setup": [ >> + "$IP link add dev $DUMMY type dummy || /bin/true" >> + ], >> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root cake besteffort", >> + "expExitCode": "0", >> + "verifyCmd": "$TC qdisc show dev $DUMMY", >> + "matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited besteffort triple-isolate nonat nowash no-ack-filter split-gso rtt 100ms raw overhead", >> + "matchCount": "1", >> + "teardown": [ >> + "$TC qdisc del dev $DUMMY handle 1: root", >> + "$IP link del dev $DUMMY type dummy" >> + ] >> + }, >> + { >> + "id": "a032", >> + "name": "Create CAKE with diffserv8 flag", >> + "category": [ >> + "qdisc", >> + "cake" >> + ], >> + "plugins": { >> + "requires": "nsPlugin" >> + }, >> + "setup": [ >> + "$IP link add dev $DUMMY type dummy || /bin/true" >> + ], >> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root cake diffserv8", >> + "expExitCode": "0", >> + "verifyCmd": "$TC qdisc show dev $DUMMY", >> + "matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv8 triple-isolate nonat nowash no-ack-filter split-gso rtt 100ms raw overhead", >> + "matchCount": "1", >> + "teardown": [ >> + "$TC qdisc del dev $DUMMY handle 1: root", >> + "$IP link del dev $DUMMY type dummy" >> + ] >> + }, >> + { >> + "id": "2349", >> + "name": "Create CAKE with diffserv4 flag", >> + "category": [ >> + "qdisc", >> + "cake" >> + ], >> + "plugins": { >> + "requires": "nsPlugin" >> + }, >> + "setup": [ >> + "$IP link add dev $DUMMY type dummy || /bin/true" >> + ], >> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root cake diffserv4", >> + "expExitCode": "0", >> + "verifyCmd": "$TC qdisc show dev $DUMMY", >> + "matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv4 triple-isolate nonat nowash no-ack-filter split-gso rtt 100ms raw overhead", >> + "matchCount": "1", >> + "teardown": [ >> + "$TC qdisc del dev $DUMMY handle 1: root", >> + "$IP link del dev $DUMMY type dummy" >> + ] >> + }, >> + { >> + "id": "8472", >> + "name": "Create CAKE with flowblind flag", >> + "category": [ >> + "qdisc", >> + "cake" >> + ], >> + "plugins": { >> + "requires": "nsPlugin" >> + }, >> + "setup": [ >> + "$IP link add dev $DUMMY type dummy || /bin/true" >> + ], >> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root cake flowblind", >> + "expExitCode": "0", >> + "verifyCmd": "$TC qdisc show dev $DUMMY", >> + "matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv3 flowblind nonat nowash no-ack-filter split-gso rtt 100ms raw overhead", >> + "matchCount": "1", >> + "teardown": [ >> + "$TC qdisc del dev $DUMMY handle 1: root", >> + "$IP link del dev $DUMMY type dummy" >> + ] >> + }, >> + { >> + "id": "2341", >> + "name": "Create CAKE with dsthost and nat flag", >> + "category": [ >> + "qdisc", >> + "cake" >> + ], >> + "plugins": { >> + "requires": "nsPlugin" >> + }, >> + "setup": [ >> + "$IP link add dev $DUMMY type dummy || /bin/true" >> + ], >> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root cake dsthost nat", >> + "expExitCode": "0", >> + "verifyCmd": "$TC qdisc show dev $DUMMY", >> + "matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv3 dsthost nat nowash no-ack-filter split-gso rtt 100ms raw overhead", >> + "matchCount": "1", >> + "teardown": [ >> + "$TC qdisc del dev $DUMMY handle 1: root", >> + "$IP link del dev $DUMMY type dummy" >> + ] >> + }, >> + { >> + "id": "5134", >> + "name": "Create CAKE with wash flag", >> + "category": [ >> + "qdisc", >> + "cake" >> + ], >> + "plugins": { >> + "requires": "nsPlugin" >> + }, >> + "setup": [ >> + "$IP link add dev $DUMMY type dummy || /bin/true" >> + ], >> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root cake hosts wash", >> + "expExitCode": "0", >> + "verifyCmd": "$TC qdisc show dev $DUMMY", >> + "matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv3 hosts nonat wash no-ack-filter split-gso rtt 100ms raw overhead", >> + "matchCount": "1", >> + "teardown": [ >> + "$TC qdisc del dev $DUMMY handle 1: root", >> + "$IP link del dev $DUMMY type dummy" >> + ] >> + }, >> + { >> + "id": "2302", >> + "name": "Create CAKE with flowblind and no-split-gso flag", >> + "category": [ >> + "qdisc", >> + "cake" >> + ], >> + "plugins": { >> + "requires": "nsPlugin" >> + }, >> + "setup": [ >> + "$IP link add dev $DUMMY type dummy || /bin/true" >> + ], >> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root cake flowblind no-split-gso", >> + "expExitCode": "0", >> + "verifyCmd": "$TC qdisc show dev $DUMMY", >> + "matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv3 flowblind nonat nowash no-ack-filter no-split-gso rtt 100ms raw overhead", >> + "matchCount": "1", >> + "teardown": [ >> + "$TC qdisc del dev $DUMMY handle 1: root", >> + "$IP link del dev $DUMMY type dummy" >> + ] >> + }, >> + { >> + "id": "0768", >> + "name": "Create CAKE with dual-srchost and ack-filter flag", >> + "category": [ >> + "qdisc", >> + "cake" >> + ], >> + "plugins": { >> + "requires": "nsPlugin" >> + }, >> + "setup": [ >> + "$IP link add dev $DUMMY type dummy || /bin/true" >> + ], >> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root cake dual-srchost ack-filter", >> + "expExitCode": "0", >> + "verifyCmd": "$TC qdisc show dev $DUMMY", >> + "matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv3 dual-srchost nonat nowash ack-filter split-gso rtt 100ms raw overhead", >> + "matchCount": "1", >> + "teardown": [ >> + "$TC qdisc del dev $DUMMY handle 1: root", >> + "$IP link del dev $DUMMY type dummy" >> + ] >> + }, >> + { >> + "id": "0238", >> + "name": "Create CAKE with dual-dsthost and ack-filter-aggressive flag", >> + "category": [ >> + "qdisc", >> + "cake" >> + ], >> + "plugins": { >> + "requires": "nsPlugin" >> + }, >> + "setup": [ >> + "$IP link add dev $DUMMY type dummy || /bin/true" >> + ], >> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root cake dual-dsthost ack-filter-aggressive", >> + "expExitCode": "0", >> + "verifyCmd": "$TC qdisc show dev $DUMMY", >> + "matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv3 dual-dsthost nonat nowash ack-filter-aggressive split-gso rtt 100ms raw overhead", >> + "matchCount": "1", >> + "teardown": [ >> + "$TC qdisc del dev $DUMMY handle 1: root", >> + "$IP link del dev $DUMMY type dummy" >> + ] >> + }, >> + { >> + "id": "6573", >> + "name": "Create CAKE with memlimit and ptm flag", >> + "category": [ >> + "qdisc", >> + "cake" >> + ], >> + "plugins": { >> + "requires": "nsPlugin" >> + }, >> + "setup": [ >> + "$IP link add dev $DUMMY type dummy || /bin/true" >> + ], >> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root cake memlimit 10000 ptm", >> + "expExitCode": "0", >> + "verifyCmd": "$TC qdisc show dev $DUMMY", >> + "matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv3 triple-isolate nonat nowash no-ack-filter split-gso rtt 100ms raw ptm overhead 0 memlimit 10000b", >> + "matchCount": "1", >> + "teardown": [ >> + "$TC qdisc del dev $DUMMY handle 1: root", >> + "$IP link del dev $DUMMY type dummy" >> + ] >> + }, >> + { >> + "id": "2436", >> + "name": "Create CAKE with fwmark and atm flag", >> + "category": [ >> + "qdisc", >> + "cake" >> + ], >> + "plugins": { >> + "requires": "nsPlugin" >> + }, >> + "setup": [ >> + "$IP link add dev $DUMMY type dummy || /bin/true" >> + ], >> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root cake fwmark 8 atm", >> + "expExitCode": "0", >> + "verifyCmd": "$TC qdisc show dev $DUMMY", >> + "matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv3 triple-isolate nonat nowash no-ack-filter split-gso rtt 100ms raw atm overhead 0 fwmark 0x8", >> + "matchCount": "1", >> + "teardown": [ >> + "$TC qdisc del dev $DUMMY handle 1: root", >> + "$IP link del dev $DUMMY type dummy" >> + ] >> + }, >> + { >> + "id": "3984", >> + "name": "Create CAKE with overhead and mpu", >> + "category": [ >> + "qdisc", >> + "cake" >> + ], >> + "plugins": { >> + "requires": "nsPlugin" >> + }, >> + "setup": [ >> + "$IP link add dev $DUMMY type dummy || /bin/true" >> + ], >> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root cake overhead 128 mpu 256", >> + "expExitCode": "0", >> + "verifyCmd": "$TC qdisc show dev $DUMMY", >> + "matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv3 triple-isolate nonat nowash no-ack-filter split-gso rtt 100ms noatm overhead 128 mpu 256", >> + "matchCount": "1", >> + "teardown": [ >> + "$TC qdisc del dev $DUMMY handle 1: root", >> + "$IP link del dev $DUMMY type dummy" >> + ] >> + }, >> + { >> + "id": "2342", >> + "name": "Create CAKE with conservative and ingress flag", >> + "category": [ >> + "qdisc", >> + "cake" >> + ], >> + "plugins": { >> + "requires": "nsPlugin" >> + }, >> + "setup": [ >> + "$IP link add dev $DUMMY type dummy || /bin/true" >> + ], >> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root cake conservative ingress", >> + "expExitCode": "0", >> + "verifyCmd": "$TC qdisc show dev $DUMMY", >> + "matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv3 triple-isolate nonat nowash ingress no-ack-filter split-gso rtt 100ms atm overhead 48", >> + "matchCount": "1", >> + "teardown": [ >> + "$TC qdisc del dev $DUMMY handle 1: root", >> + "$IP link del dev $DUMMY type dummy" >> + ] >> + }, >> + { >> + "id": "2342", > > Be careful, you are using ID 2342 for 3 test cases in this file. > Each test case must have a unique ID. > > > Hi Victor: Thank you for your review. My mistake. I will check more carefully, and test again. Then send V2. Zhengchao Shao >> + "name": "Delete CAKE with conservative and ingress flag", >> + "category": [ >> + "qdisc", >> + "cake" >> + ], >> + "plugins": { >> + "requires": "nsPlugin" >> + }, >> + "setup": [ >> + "$IP link add dev $DUMMY type dummy || /bin/true", >> + "$TC qdisc add dev $DUMMY handle 1: root cake conservative ingress" >> + ], >> + "cmdUnderTest": "$TC qdisc del dev $DUMMY handle 1: root", >> + "expExitCode": "0", >> + "verifyCmd": "$TC qdisc show dev $DUMMY", >> + "matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv3 triple-isolate nonat nowash ingress no-ack-filter split-gso rtt 100ms atm overhead 48", >> + "matchCount": "0", >> + "teardown": [ >> + "$TC qdisc del dev $DUMMY handle 1: root", >> + "$IP link del dev $DUMMY type dummy" >> + ] >> + }, >> + { >> + "id": "2342", >> + "name": "Replace CAKE with mpu", >> + "category": [ >> + "qdisc", >> + "cake" >> + ], >> + "plugins": { >> + "requires": "nsPlugin" >> + }, >> + "setup": [ >> + "$IP link add dev $DUMMY type dummy || /bin/true", >> + "$TC qdisc add dev $DUMMY handle 1: root cake overhead 128 mpu 256" >> + ], >> + "cmdUnderTest": "$TC qdisc replace dev $DUMMY handle 1: root cake mpu 128", >> + "expExitCode": "0", >> + "verifyCmd": "$TC qdisc show dev $DUMMY", >> + "matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv3 triple-isolate nonat nowash no-ack-filter split-gso rtt 100ms noatm overhead 128 mpu 128", >> + "matchCount": "1", >> + "teardown": [ >> + "$TC qdisc del dev $DUMMY handle 1: root", >> + "$IP link del dev $DUMMY type dummy" >> + ] >> + }, >> + { >> + "id": "2313", >> + "name": "Change CAKE with mpu", >> + "category": [ >> + "qdisc", >> + "cake" >> + ], >> + "plugins": { >> + "requires": "nsPlugin" >> + }, >> + "setup": [ >> + "$IP link add dev $DUMMY type dummy || /bin/true", >> + "$TC qdisc add dev $DUMMY handle 1: root cake overhead 128 mpu 256" >> + ], >> + "cmdUnderTest": "$TC qdisc change dev $DUMMY handle 1: root cake mpu 128", >> + "expExitCode": "0", >> + "verifyCmd": "$TC qdisc show dev $DUMMY", >> + "matchPattern": "qdisc cake 1: root refcnt [0-9]+ bandwidth unlimited diffserv3 triple-isolate nonat nowash no-ack-filter split-gso rtt 100ms noatm overhead 128 mpu 128", >> + "matchCount": "1", >> + "teardown": [ >> + "$TC qdisc del dev $DUMMY handle 1: root", >> + "$IP link del dev $DUMMY type dummy" >> + ] >> + }, >> + { >> + "id": "4365", >> + "name": "Show CAKE class", >> + "category": [ >> + "qdisc", >> + "cake" >> + ], >> + "plugins": { >> + "requires": "nsPlugin" >> + }, >> + "setup": [ >> + "$IP link add dev $DUMMY type dummy || /bin/true" >> + ], >> + "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root cake", >> + "expExitCode": "0", >> + "verifyCmd": "$TC class show dev $DUMMY", >> + "matchPattern": "class cake", >> + "matchCount": "0", >> + "teardown": [ >> + "$TC qdisc del dev $DUMMY handle 1: root", >> + "$IP link del dev $DUMMY type dummy" >> + ] >> + } >> +] >> -- >> 2.17.1 >>