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linux-loongson/tools/testing/selftests/tc-testing/tc-tests/qdiscs/sfq.json
Eric Dumazet de74998c30 selftests/tc-testing: sfq: check perturb timer values 
Add one test to check that the kernel rejects a negative perturb timer.

Add a second test checking that the kernel rejects
a too big perturb timer.

All test results:

1..2
ok 1 cdc1 - Check that a negative perturb timer is rejected
ok 2 a9f0 - Check that a too big perturb timer is rejected

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Cong Wang <xiyou.wangcong@gmail.com>
Link: https://patch.msgid.link/20250613064136.3911944-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-16 15:02:03 -07:00

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[
{
"id": "7482",
"name": "Create SFQ with default setting",
"category": [
"qdisc",
"sfq"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root sfq",
"expExitCode": "0",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "qdisc sfq 1: root refcnt [0-9]+ limit 127p quantum.*depth 127 divisor 1024",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root"
]
},
{
"id": "c186",
"name": "Create SFQ with limit setting",
"category": [
"qdisc",
"sfq"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root sfq limit 8",
"expExitCode": "0",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "qdisc sfq 1: root refcnt [0-9]+ limit 8p",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root"
]
},
{
"id": "ae23",
"name": "Create SFQ with perturb setting",
"category": [
"qdisc",
"sfq"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root sfq perturb 10",
"expExitCode": "0",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "depth 127 divisor 1024 perturb 10sec",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root"
]
},
{
"id": "a430",
"name": "Create SFQ with quantum setting",
"category": [
"qdisc",
"sfq"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root sfq quantum 9000",
"expExitCode": "0",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "qdisc sfq 1: root refcnt [0-9]+ limit 127p quantum 9000b depth 127 divisor 1024",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root"
]
},
{
"id": "4539",
"name": "Create SFQ with divisor setting",
"category": [
"qdisc",
"sfq"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root sfq divisor 512",
"expExitCode": "0",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "qdisc sfq 1: root refcnt [0-9]+ limit 127p quantum 1514b depth 127 divisor 512",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root"
]
},
{
"id": "b089",
"name": "Create SFQ with flows setting",
"category": [
"qdisc",
"sfq"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root sfq flows 20",
"expExitCode": "0",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "qdisc sfq 1: root refcnt",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root"
]
},
{
"id": "99a0",
"name": "Create SFQ with depth setting",
"category": [
"qdisc",
"sfq"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root sfq depth 64",
"expExitCode": "0",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "qdisc sfq 1: root refcnt [0-9]+ limit 127p quantum 1514b depth 64 divisor 1024",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root"
]
},
{
"id": "7389",
"name": "Create SFQ with headdrop setting",
"category": [
"qdisc",
"sfq"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root sfq headdrop",
"expExitCode": "0",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "qdisc sfq 1: root refcnt [0-9]+ limit 127p quantum 1514b depth 127 headdrop divisor 1024",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root"
]
},
{
"id": "6472",
"name": "Create SFQ with redflowlimit setting",
"category": [
"qdisc",
"sfq"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root sfq redflowlimit 100000 min 8000 max 60000 probability 0.20 ecn headdrop",
"expExitCode": "0",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "qdisc sfq 1: root refcnt [0-9]+ limit 127p quantum 1514b depth 127 headdrop divisor 1024 ewma 6 min 8000b max 60000b probability 0.2 ecn",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root"
]
},
{
"id": "8929",
"name": "Show SFQ class",
"category": [
"qdisc",
"sfq"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root sfq",
"expExitCode": "0",
"verifyCmd": "$TC class show dev $DUMMY",
"matchPattern": "class sfq 1:",
"matchCount": "0",
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root"
]
},
{
"id": "4d6f",
"name": "Check that limit of 1 is rejected",
"category": [
"qdisc",
"sfq"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
],
"cmdUnderTest": "./scripts/sfq_rejects_limit_1.py $DUMMY",
"expExitCode": "0",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "sfq",
"matchCount": "0",
"teardown": [
]
},
{
"id": "7f8f",
"name": "Check that a derived limit of 1 is rejected (limit 2 depth 1 flows 1)",
"category": [
"qdisc",
"sfq"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root sfq limit 2 depth 1 flows 1",
"expExitCode": "2",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "sfq",
"matchCount": "0",
"teardown": []
},
{
"id": "5168",
"name": "Check that a derived limit of 1 is rejected (limit 2 depth 1 divisor 1)",
"category": [
"qdisc",
"sfq"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root sfq limit 2 depth 1 divisor 1",
"expExitCode": "2",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "sfq",
"matchCount": "0",
"teardown": []
},
{
"id": "cdc1",
"name": "Check that a negative perturb timer is rejected",
"category": [
"qdisc",
"sfq"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root sfq perturb -10",
"expExitCode": "2",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "sfq",
"matchCount": "0",
"teardown": []
},
{
"id": "a9f0",
"name": "Check that a too big perturb timer is rejected",
"category": [
"qdisc",
"sfq"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root sfq perturb 1000000000",
"expExitCode": "2",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "sfq",
"matchCount": "0",
"teardown": []
}
]
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