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Message-Id: <20250509214801.37306-5-chia-yu.chang@nokia-bell-labs.com>
Date: Fri, 9 May 2025 23:48:00 +0200
From: chia-yu.chang@...ia-bell-labs.com
To: horms@...nel.org, donald.hunter@...il.com, xandfury@...il.com,
netdev@...r.kernel.org, dave.taht@...il.com, pabeni@...hat.com,
jhs@...atatu.com, kuba@...nel.org, stephen@...workplumber.org,
xiyou.wangcong@...il.com, jiri@...nulli.us, davem@...emloft.net,
edumazet@...gle.com, andrew+netdev@...n.ch, ast@...erby.net,
liuhangbin@...il.com, shuah@...nel.org,
linux-kselftest@...r.kernel.org, ij@...nel.org, ncardwell@...gle.com,
koen.de_schepper@...ia-bell-labs.com, g.white@...lelabs.com,
ingemar.s.johansson@...csson.com, mirja.kuehlewind@...csson.com,
cheshire@...le.com, rs.ietf@....at, Jason_Livingood@...cast.com,
vidhi_goel@...le.com
Cc: Chia-Yu Chang <chia-yu.chang@...ia-bell-labs.com>,
Victor Nogueira <victor@...atatu.com>
Subject: [PATCH v15 net-next 4/5] selftests/tc-testing: Add selftests for qdisc DualPI2
From: Chia-Yu Chang <chia-yu.chang@...ia-bell-labs.com>
Update configuration of tc-tests and preload DualPI2 module for self-tests,
and add folloiwng self-test cases for DualPI2:
Test a4c7: Create DualPI2 with default setting
Test 1ea4: Create DualPI2 with memlimit
Test 2130: Create DualPI2 with typical_rtt and max_rtt
Test 90c1: Create DualPI2 with max_rtt
Test 7b3c: Create DualPI2 with any_ect option
Test 49a3: Create DualPI2 with overflow option
Test d0a1: Create DualPI2 with drop_enqueue option
Test f051: Create DualPI2 with no_split_gso option
Test 456b: Create DualPI2 with packet step_thresh
Test 610c: Create DualPI2 with packet min_qlen_step
Test b4f6: Create DualPI2 with packet coupling_factor
Test 37f1: Create DualPI2 with packet classic_protection
Signed-off-by: Chia-Yu Chang <chia-yu.chang@...ia-bell-labs.com>
Reviewed-by: Victor Nogueira <victor@...atatu.com>
---
tools/testing/selftests/tc-testing/config | 1 +
.../tc-testing/tc-tests/qdiscs/dualpi2.json | 254 ++++++++++++++++++
tools/testing/selftests/tc-testing/tdc.sh | 1 +
3 files changed, 256 insertions(+)
create mode 100644 tools/testing/selftests/tc-testing/tc-tests/qdiscs/dualpi2.json
diff --git a/tools/testing/selftests/tc-testing/config b/tools/testing/selftests/tc-testing/config
index db176fe7d0c3..72b5f36f6731 100644
--- a/tools/testing/selftests/tc-testing/config
+++ b/tools/testing/selftests/tc-testing/config
@@ -30,6 +30,7 @@ CONFIG_NET_SCH_CBS=m
CONFIG_NET_SCH_CHOKE=m
CONFIG_NET_SCH_CODEL=m
CONFIG_NET_SCH_DRR=m
+CONFIG_NET_SCH_DUALPI2=m
CONFIG_NET_SCH_ETF=m
CONFIG_NET_SCH_FQ=m
CONFIG_NET_SCH_FQ_CODEL=m
diff --git a/tools/testing/selftests/tc-testing/tc-tests/qdiscs/dualpi2.json b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/dualpi2.json
new file mode 100644
index 000000000000..cd1f2ee8f354
--- /dev/null
+++ b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/dualpi2.json
@@ -0,0 +1,254 @@
+[
+ {
+ "id": "a4c7",
+ "name": "Create DualPI2 with default setting",
+ "category": [
+ "qdisc",
+ "dualpi2"
+ ],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "setup": [
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root dualpi2",
+ "expExitCode": "0",
+ "verifyCmd": "$TC qdisc show dev $DUMMY",
+ "matchPattern": "qdisc dualpi2 1: root refcnt [0-9]+ limit 10000p.* step_thresh 1ms min_qlen_step 0p coupling_factor 2 drop_on_overload drop_dequeue classic_protection 10% l4s_ect split_gso",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DUMMY handle 1: root"
+ ]
+ },
+ {
+ "id": "1ea4",
+ "name": "Create DualPI2 with memlimit",
+ "category": [
+ "qdisc",
+ "dualpi2"
+ ],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "setup": [
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root dualpi2 memlimit 20000000",
+ "expExitCode": "0",
+ "verifyCmd": "$TC qdisc show dev $DUMMY",
+ "matchPattern": "qdisc dualpi2 1: root refcnt [0-9]+ limit 10000p.* memlimit 20000000B",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DUMMY handle 1: root"
+ ]
+ },
+ {
+ "id": "2130",
+ "name": "Create DualPI2 with typical_rtt and max_rtt",
+ "category": [
+ "qdisc",
+ "dualpi2"
+ ],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "setup": [
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root dualpi2 typical_rtt 20ms max_rtt 200ms",
+ "expExitCode": "0",
+ "verifyCmd": "$TC qdisc show dev $DUMMY",
+ "matchPattern": "qdisc dualpi2 1: root refcnt [0-9]+ limit 10000p.* target 20ms tupdate 20ms alpha 0.042969 beta 1.496094",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DUMMY handle 1: root"
+ ]
+ },
+ {
+ "id": "90c1",
+ "name": "Create DualPI2 with max_rtt",
+ "category": [
+ "qdisc",
+ "dualpi2"
+ ],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "setup": [
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root dualpi2 max_rtt 300ms",
+ "expExitCode": "0",
+ "verifyCmd": "$TC qdisc show dev $DUMMY",
+ "matchPattern": "qdisc dualpi2 1: root refcnt [0-9]+ limit 10000p.* target 50ms tupdate 50ms alpha 0.050781 beta 0.996094",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DUMMY handle 1: root"
+ ]
+ },
+ {
+ "id": "7b3c",
+ "name": "Create DualPI2 with any_ect option",
+ "category": [
+ "qdisc",
+ "dualpi2"
+ ],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "setup": [
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root dualpi2 any_ect",
+ "expExitCode": "0",
+ "verifyCmd": "$TC qdisc show dev $DUMMY",
+ "matchPattern": "qdisc dualpi2 1: root refcnt [0-9]+ limit 10000p .* any_ect",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DUMMY handle 1: root"
+ ]
+ },
+ {
+ "id": "49a3",
+ "name": "Create DualPI2 with overflow option",
+ "category": [
+ "qdisc",
+ "dualpi2"
+ ],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "setup": [
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root dualpi2 overflow",
+ "expExitCode": "0",
+ "verifyCmd": "$TC qdisc show dev $DUMMY",
+ "matchPattern": "qdisc dualpi2 1: root refcnt [0-9]+ limit 10000p.* overflow",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DUMMY handle 1: root"
+ ]
+ },
+ {
+ "id": "d0a1",
+ "name": "Create DualPI2 with drop_enqueue option",
+ "category": [
+ "qdisc",
+ "dualpi2"
+ ],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "setup": [
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root dualpi2 drop_enqueue",
+ "expExitCode": "0",
+ "verifyCmd": "$TC qdisc show dev $DUMMY",
+ "matchPattern": "qdisc dualpi2 1: root refcnt [0-9]+ limit 10000p .* drop_enqueue",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DUMMY handle 1: root"
+ ]
+ },
+ {
+ "id": "f051",
+ "name": "Create DualPI2 with no_split_gso option",
+ "category": [
+ "qdisc",
+ "dualpi2"
+ ],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "setup": [
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root dualpi2 no_split_gso",
+ "expExitCode": "0",
+ "verifyCmd": "$TC qdisc show dev $DUMMY",
+ "matchPattern": "qdisc dualpi2 1: root refcnt [0-9]+ limit 10000p .* no_split_gso",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DUMMY handle 1: root"
+ ]
+ },
+ {
+ "id": "456b",
+ "name": "Create DualPI2 with packet step_thresh",
+ "category": [
+ "qdisc",
+ "dualpi2"
+ ],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "setup": [
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root dualpi2 step_thresh 3p",
+ "expExitCode": "0",
+ "verifyCmd": "$TC qdisc show dev $DUMMY",
+ "matchPattern": "qdisc dualpi2 1: root refcnt [0-9]+ limit 10000p .* step_thresh 3p",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DUMMY handle 1: root"
+ ]
+ },
+ {
+ "id": "610c",
+ "name": "Create DualPI2 with packet min_qlen_step",
+ "category": [
+ "qdisc",
+ "dualpi2"
+ ],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "setup": [
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root dualpi2 min_qlen_step 1",
+ "expExitCode": "0",
+ "verifyCmd": "$TC qdisc show dev $DUMMY",
+ "matchPattern": "qdisc dualpi2 1: root refcnt [0-9]+ limit 10000p .* min_qlen_step 1p",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DUMMY handle 1: root"
+ ]
+ },
+ {
+ "id": "b4fa",
+ "name": "Create DualPI2 with packet coupling_factor",
+ "category": [
+ "qdisc",
+ "dualpi2"
+ ],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "setup": [
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root dualpi2 coupling_factor 1",
+ "expExitCode": "0",
+ "verifyCmd": "$TC qdisc show dev $DUMMY",
+ "matchPattern": "qdisc dualpi2 1: root refcnt [0-9]+ limit 10000p .* coupling_factor 1",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DUMMY handle 1: root"
+ ]
+ },
+ {
+ "id": "37f1",
+ "name": "Create DualPI2 with packet classic_protection",
+ "category": [
+ "qdisc",
+ "dualpi2"
+ ],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "setup": [
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root dualpi2 classic_protection 0",
+ "expExitCode": "0",
+ "verifyCmd": "$TC qdisc show dev $DUMMY",
+ "matchPattern": "qdisc dualpi2 1: root refcnt [0-9]+ limit 10000p .* classic_protection 0%",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DUMMY handle 1: root"
+ ]
+ }
+]
diff --git a/tools/testing/selftests/tc-testing/tdc.sh b/tools/testing/selftests/tc-testing/tdc.sh
index 589b18ed758a..2316bfdd0b4e 100755
--- a/tools/testing/selftests/tc-testing/tdc.sh
+++ b/tools/testing/selftests/tc-testing/tdc.sh
@@ -67,4 +67,5 @@ try_modprobe sch_hfsc
try_modprobe sch_hhf
try_modprobe sch_htb
try_modprobe sch_teql
+try_modprobe sch_dualpi2
./tdc.py -J`nproc`
--
2.34.1
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