From ca4fa87435370747cac535cecfd08672bb679487 Mon Sep 17 00:00:00 2001 From: renmingshuai Date: Tue, 20 Jun 2023 09:49:39 +0800 Subject: [PATCH] selftests: tc-testing: add one test for flushing explicitly created chain Add the test for additional reference to chains that are explicitly created by RTM_NEWCHAIN message. The test result: 1..1 ok 1 c2b4 - soft lockup alarm will be not generated after delete the prio 0 filter of the chain This is a follow up to commit c9a82bec02c3 ("net/sched: cls_api: Fix lockup on flushing explicitly created chain"). Signed-off-by: Mingshuai Ren Acked-by: Pedro Tammela Acked-by: Victor Nogueira Link: https://lore.kernel.org/r/20230620014939.2034054-1-renmingshuai@huawei.com Signed-off-by: Jakub Kicinski --- .../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 0000000..c4c778e --- /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", + "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" + ] + } +] -- 2.7.4