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selftests: tc-testing: test action batch failure cleanup

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Add tests for cleanup after a batched RTM_NEWACTION request fails.
Replace an existing gact action bound to a filter, then fail a later
entry by requesting goto chain without a classifier context.

Check that the bound action's reference count returns to its original
value. Also cover a successfully initialized new action between the
bound action and the failing entry, verifying that its reserved index
can be reused. Repeat the bound action in another batch to check that
each temporary reference to the same action is released.

Signed-off-by: Xuanqiang Luo <luoxuanqiang@kylinos.cn>
Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Link: https://patch.msgid.link/20260909070336.32979-3-xuanqiang.luo@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Xuanqiang Luo 2026-09-09 15:03:36 +08:00 committed by Jakub Kicinski
parent 478eb5abb5
commit 2a86bbed9f
1 changed files with 78 additions and 0 deletions
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78
tools/testing/selftests/tc-testing/tc-tests/actions/gact-rollback.json Normal file
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[
{
"id": "e3b1",
"name": "Failed action batch releases a bound action reference",
"category": [
"actions",
"gact"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
"$TC qdisc add dev $DEV1 ingress",
"$TC actions add action pass index 1",
"$TC filter add dev $DEV1 protocol all ingress prio 1 matchall action gact index 1"
],
"cmdUnderTest": "$TC actions replace action pass index 1 action goto chain 42 index 3",
"expExitCode": "255",
"verifyCmd": "$TC actions ls action gact",
"matchPattern": "total acts 1.*index 1 ref 2 bind 1",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DEV1 ingress"
]
},
{
"id": "e3b2",
"name": "Failed action batch releases entries after a bound action",
"category": [
"actions",
"gact"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
"$TC qdisc add dev $DEV1 ingress",
"$TC actions add action pass index 1",
"$TC filter add dev $DEV1 protocol all ingress prio 1 matchall action gact index 1",
[
"$TC actions replace action pass index 1 action pass index 2 action goto chain 42 index 3",
255
]
],
"cmdUnderTest": "$TC actions add action pass index 2",
"expExitCode": "0",
"verifyCmd": "$TC actions ls action gact",
"matchPattern": "total acts 2.*index 1 ref 2 bind 1.*index 2 ref 1 bind 0",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DEV1 ingress"
]
},
{
"id": "e3b3",
"name": "Failed action batch releases repeated references to a bound action",
"category": [
"actions",
"gact"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
"$TC qdisc add dev $DEV1 ingress",
"$TC actions add action pass index 1",
"$TC filter add dev $DEV1 protocol all ingress prio 1 matchall action gact index 1"
],
"cmdUnderTest": "$TC actions replace action pass index 1 action pass index 1 action goto chain 42 index 3",
"expExitCode": "255",
"verifyCmd": "$TC actions ls action gact",
"matchPattern": "total acts 1.*index 1 ref 2 bind 1",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DEV1 ingress"
]
}
]