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Thu, 10 Apr 2025 03:43:27 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFtZjy9wlPfZmZBnYMu79NO3yotRmZU9d09bLGlKvvf77owRla0L/nGxvLBfyuq+ABs6xAk7w== X-Received: by 2002:a17:907:3e11:b0:ac7:ec6f:a7c with SMTP id a640c23a62f3a-acabd1ddb9amr205750266b.13.1744281806835; Thu, 10 Apr 2025 03:43:26 -0700 (PDT) Received: from alrua-x1.borgediget.toke.dk ([2a0c:4d80:42:443::2]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-acaa1bb3df5sm249424366b.26.2025.04.10.03.43.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Apr 2025 03:43:26 -0700 (PDT) Received: by alrua-x1.borgediget.toke.dk (Postfix, from userid 1000) id 4D3D11992280; Thu, 10 Apr 2025 12:43:25 +0200 (CEST) From: =?utf-8?q?Toke_H=C3=B8iland-J=C3=B8rgensen?= To: linux-kernel@vger.kernel.org Cc: =?utf-8?q?Toke_H=C3=B8iland-J=C3=B8rgensen?= , Jamal Hadi Salim , Cong Wang , Jiri Pirko , Shuah Khan , netdev@vger.kernel.org Subject: [PATCH net v2] selftests/tc-testing: Add test for echo of big TC filters Date: Thu, 10 Apr 2025 12:43:21 +0200 Message-ID: <20250410104322.214620-1-toke@redhat.com> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org Add a selftest that checks whether the kernel can successfully echo a big tc filter, to test the fix introduced in commit: 369609fc6272 ("tc: Ensure we have enough buffer space when sending filter netlink notifications") Signed-off-by: Toke Høiland-Jørgensen Tested-by: Victor Nogueira --- v2: - Move to infra/actions.json .../tc-testing/tc-tests/infra/actions.json | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/tools/testing/selftests/tc-testing/tc-tests/infra/actions.json b/tools/testing/selftests/tc-testing/tc-tests/infra/actions.json index 1ba96c467754..d9fc62ab476c 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/infra/actions.json +++ b/tools/testing/selftests/tc-testing/tc-tests/infra/actions.json @@ -412,5 +412,27 @@ "teardown": [ "$TC qdisc del dev $DUMMY ingress" ] + }, + { + "id": "33f4", + "name": "Check echo of big filter command", + "category": [ + "infra", + "u32" + ], + "plugins": { + "requires": "nsPlugin" + }, + "setup": [ + "$TC qdisc add dev $DUMMY parent root handle 10: fq_codel" + ], + "cmdUnderTest": "bash -c '$TC -echo filter add dev $DUMMY parent 10: u32 match u32 0 0 $(for i in $(seq 32); do echo action pedit munge ip dport set 22; done) | grep \"added filter\"'", + "verifyCmd": "", + "expExitCode": "0", + "matchCount": "0", + "matchPattern": "", + "teardown": [ + "$TC qdisc del dev $DUMMY parent root fq_codel" + ] } ]