[PATCH net v2 3/3] selftests/tc-testing: taprio: add case for the software minimum interval
From: Junjie Cao <hidden>
Date: 2026-08-20 06:27:44
Also in:
linux-kselftest, lkml
Subsystem:
kernel selftest framework, the rest · Maintainers:
Shuah Khan, Shuah Khan, Linus Torvalds
Entries below TAPRIO_MIN_SW_INTERVAL_NS must be rejected for software schedules. Signed-off-by: Junjie Cao <redacted> --- .../tc-testing/tc-tests/qdiscs/taprio.json | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+)
diff --git a/tools/testing/selftests/tc-testing/tc-tests/qdiscs/taprio.json b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/taprio.json
index cd19d05925e4..3fe66839f8ae 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/qdiscs/taprio.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/taprio.json@@ -154,6 +154,28 @@ "echo \"1\" > /sys/bus/netdevsim/del_device" ] }, + { + "id": "f4b2", + "name": "Add taprio Qdisc with software interval below the minimum", + "category": [ + "qdisc", + "taprio" + ], + "plugins": { + "requires": "nsPlugin" + }, + "setup": [ + "echo \"1 1 8\" > /sys/bus/netdevsim/new_device" + ], + "cmdUnderTest": "$TC qdisc add dev $ETH root handle 1: taprio num_tc 2 queues 1@0 1@1 sched-entry S 01 50000 sched-entry S 02 50000 clockid CLOCK_TAI", + "expExitCode": "2", + "verifyCmd": "$TC qdisc show dev $ETH", + "matchPattern": "qdisc taprio 1: root refcnt", + "matchCount": "0", + "teardown": [ + "echo \"1\" > /sys/bus/netdevsim/del_device" + ] + }, { "id": "831f", "name": "Add taprio Qdisc with too short cycle-time",
--
2.43.0