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selftests/tc-testing: add selftests for codel qdisc
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Test 983a: Create CODEL with default setting
Test 38aa: Create CODEL with limit packet setting
Test 9178: Create CODEL with target setting
Test 78d1: Create CODEL with interval setting
Test 238a: Create CODEL with ecn setting
Test 939c: Create CODEL with ce_threshold setting
Test 8380: Delete CODEL with valid handle
Test 289c: Replace CODEL with limit setting
Test 0648: Change CODEL with limit setting

Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Zhengchao Shao authored and David S. Miller committed Sep 28, 2022
1 parent 99e0f78 commit 412233b
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1 change: 1 addition & 0 deletions tools/testing/selftests/tc-testing/config
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ CONFIG_NET_SCHED=y
#
CONFIG_NET_SCH_ATM=m
CONFIG_NET_SCH_CHOKE=m
CONFIG_NET_SCH_CODEL=m
CONFIG_NET_SCH_PRIO=m
CONFIG_NET_SCH_INGRESS=m

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211 changes: 211 additions & 0 deletions tools/testing/selftests/tc-testing/tc-tests/qdiscs/codel.json
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@@ -0,0 +1,211 @@
[
{
"id": "983a",
"name": "Create CODEL with default setting",
"category": [
"qdisc",
"codel"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
"$IP link add dev $DUMMY type dummy || /bin/true"
],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root codel",
"expExitCode": "0",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "qdisc codel 1: root refcnt [0-9]+ limit 1000p target 5ms interval 100ms",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root",
"$IP link del dev $DUMMY type dummy"
]
},
{
"id": "38aa",
"name": "Create CODEL with limit packet setting",
"category": [
"qdisc",
"codel"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
"$IP link add dev $DUMMY type dummy || /bin/true"
],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root codel limit 1500",
"expExitCode": "0",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "qdisc codel 1: root refcnt [0-9]+ limit 1500p target 5ms interval 100ms",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root",
"$IP link del dev $DUMMY type dummy"
]
},
{
"id": "9178",
"name": "Create CODEL with target setting",
"category": [
"qdisc",
"codel"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
"$IP link add dev $DUMMY type dummy || /bin/true"
],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root codel target 100ms",
"expExitCode": "0",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "qdisc codel 1: root refcnt [0-9]+ limit 1000p target 100ms interval 100ms",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root",
"$IP link del dev $DUMMY type dummy"
]
},
{
"id": "78d1",
"name": "Create CODEL with interval setting",
"category": [
"qdisc",
"codel"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
"$IP link add dev $DUMMY type dummy || /bin/true"
],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root codel interval 20ms",
"expExitCode": "0",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "qdisc codel 1: root refcnt [0-9]+ limit 1000p target 5ms interval 20ms",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root",
"$IP link del dev $DUMMY type dummy"
]
},
{
"id": "238a",
"name": "Create CODEL with ecn setting",
"category": [
"qdisc",
"codel"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
"$IP link add dev $DUMMY type dummy || /bin/true"
],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root codel ecn",
"expExitCode": "0",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "qdisc codel 1: root refcnt [0-9]+ limit 1000p target 5ms interval 100ms ecn",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root",
"$IP link del dev $DUMMY type dummy"
]
},
{
"id": "939c",
"name": "Create CODEL with ce_threshold setting",
"category": [
"qdisc",
"codel"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
"$IP link add dev $DUMMY type dummy || /bin/true"
],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root codel ce_threshold 20ms",
"expExitCode": "0",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "qdisc codel 1: root refcnt [0-9]+ limit 1000p target 5ms ce_threshold 20ms interval 100ms",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root",
"$IP link del dev $DUMMY type dummy"
]
},
{
"id": "8380",
"name": "Delete CODEL with valid handle",
"category": [
"qdisc",
"codel"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
"$IP link add dev $DUMMY type dummy || /bin/true",
"$TC qdisc add dev $DUMMY handle 1: root codel"
],
"cmdUnderTest": "$TC qdisc del dev $DUMMY handle 1: root",
"expExitCode": "0",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "qdisc codel 1: root refcnt [0-9]+ limit 1000p target 5ms interval 100ms",
"matchCount": "0",
"teardown": [
"$IP link del dev $DUMMY type dummy"
]
},
{
"id": "289c",
"name": "Replace CODEL with limit setting",
"category": [
"qdisc",
"codel"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
"$IP link add dev $DUMMY type dummy || /bin/true",
"$TC qdisc add dev $DUMMY handle 1: root codel"
],
"cmdUnderTest": "$TC qdisc replace dev $DUMMY handle 1: root codel limit 5000",
"expExitCode": "0",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "qdisc codel 1: root refcnt [0-9]+ limit 5000p target 5ms interval 100ms",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root",
"$IP link del dev $DUMMY type dummy"
]
},
{
"id": "0648",
"name": "Change CODEL with limit setting",
"category": [
"qdisc",
"codel"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
"$IP link add dev $DUMMY type dummy || /bin/true",
"$TC qdisc add dev $DUMMY handle 1: root codel"
],
"cmdUnderTest": "$TC qdisc change dev $DUMMY handle 1: root codel limit 100",
"expExitCode": "0",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "qdisc codel 1: root refcnt [0-9]+ limit 100p target 5ms interval 100ms",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root",
"$IP link del dev $DUMMY type dummy"
]
}
]

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