netdev - [PATCH net-next v2 3/4] selftest/tc-testing: cls

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Date: Fri, 25 Aug 2023 12:51:47 -0300
From: Pedro Tammela <pctammela@...atatu.com>
To: netdev@...r.kernel.org
Cc: jhs@...atatu.com,
	xiyou.wangcong@...il.com,
	jiri@...nulli.us,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	shuah@...nel.org,
	victor@...atatu.com,
	Pedro Tammela <pctammela@...atatu.com>
Subject: [PATCH net-next v2 3/4] selftest/tc-testing: cls_u32: add tests for classid

As discussed in '3044b16e7c6f', cls_u32 was handling the use of classid
incorrectly. Add a test to check if it's conforming to the correct
behaviour.

Signed-off-by: Pedro Tammela <pctammela@...atatu.com>
---
 .../tc-testing/tc-tests/filters/u32.json      | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/tools/testing/selftests/tc-testing/tc-tests/filters/u32.json b/tools/testing/selftests/tc-testing/tc-tests/filters/u32.json
index bd64a4bf11ab..ddc7c355be0a 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/filters/u32.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/filters/u32.json
@@ -247,5 +247,30 @@
         "teardown": [
             "$TC qdisc del dev $DEV1 ingress"
         ]
+    },
+    {
+        "id": "0c37",
+        "name": "Try to delete class referenced by u32 after a replace",
+        "category": [
+            "filter",
+            "u32"
+        ],
+        "plugins": {
+            "requires": "nsPlugin"
+        },
+        "setup": [
+            "$TC qdisc add dev $DEV1 parent root handle 10: drr",
+            "$TC class add dev $DEV1 parent root classid 1 drr",
+            "$TC filter add dev $DEV1 parent 10: prio 1 u32 match icmp type 1 0xff classid 10:1 action ok",
+            "$TC filter replace dev $DEV1 parent 10: prio 1 u32 match icmp type 1 0xff classid 10:1 action drop"
+        ],
+        "cmdUnderTest": "$TC class delete dev $DEV1 parent 10: classid 10:1",
+        "expExitCode": "2",
+        "verifyCmd": "$TC class show dev $DEV1",
+        "matchPattern": "class drr 10:1",
+        "matchCount": "1",
+        "teardown": [
+            "$TC qdisc del dev $DEV1 parent root drr"
+        ]
     }
 ]
-- 
2.39.2