From: "Toke Høiland-Jørgensen" <toke@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: "Toke Høiland-Jørgensen" <toke@redhat.com>,
	"Jamal Hadi Salim" <jhs@mojatatu.com>,
	"Cong Wang" <xiyou.wangcong@gmail.com>,
	"Jiri Pirko" <jiri@resnulli.us>, "Shuah Khan" <shuah@kernel.org>,
	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	[thread overview]
Message-ID: <20250410104322.214620-1-toke@redhat.com> (raw)

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 <toke@redhat.com>
---
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"
+        ]
     }
 ]
-- 
2.49.0

next             reply	other threads:[~2025-04-10 10:43 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-10 10:43 Toke Høiland-Jørgensen [this message]
2025-04-11 11:07 ` [PATCH net v2] selftests/tc-testing: Add test for echo of big TC filters Victor Nogueira
2025-04-11 23:40 ` patchwork-bot+netdevbpf

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