selftests: tc-testing: add tests for qfq mtu sanity check
QFQ only supports a certain bound of MTU size so make sure we check for this requirement in the tests. Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Pedro Tammela <pctammela@mojatatu.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Tested-by: Zhengchao Shao <shaozhengchao@huawei.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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tools/testing/selftests/tc-testing/tc-tests/qdiscs
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@ -213,5 +213,53 @@
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"$TC qdisc del dev $DUMMY handle 1: root",
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"$IP link del dev $DUMMY type dummy"
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]
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},
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{
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"id": "85ee",
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"name": "QFQ with big MTU",
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"category": [
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"qdisc",
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"qfq"
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],
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"plugins": {
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"requires": "nsPlugin"
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},
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"setup": [
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"$IP link add dev $DUMMY type dummy || /bin/true",
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"$IP link set dev $DUMMY mtu 2147483647 || /bin/true",
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"$TC qdisc add dev $DUMMY handle 1: root qfq"
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],
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"cmdUnderTest": "$TC class add dev $DUMMY parent 1: classid 1:1 qfq weight 100",
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"expExitCode": "2",
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"verifyCmd": "$TC class show dev $DUMMY",
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"matchPattern": "class qfq 1:",
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"matchCount": "0",
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"teardown": [
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"$IP link del dev $DUMMY type dummy"
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]
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},
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{
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"id": "ddfa",
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"name": "QFQ with small MTU",
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"category": [
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"qdisc",
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"qfq"
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],
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"plugins": {
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"requires": "nsPlugin"
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},
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"setup": [
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"$IP link add dev $DUMMY type dummy || /bin/true",
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"$IP link set dev $DUMMY mtu 256 || /bin/true",
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"$TC qdisc add dev $DUMMY handle 1: root qfq"
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],
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"cmdUnderTest": "$TC class add dev $DUMMY parent 1: classid 1:1 qfq weight 100",
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"expExitCode": "2",
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"verifyCmd": "$TC class show dev $DUMMY",
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"matchPattern": "class qfq 1:",
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"matchCount": "0",
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"teardown": [
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"$IP link del dev $DUMMY type dummy"
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]
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}
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]
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