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selftests/tc-testing: Add test case redirecting to self on egress

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Add single mirred test case that attempts to redirect to self on egress
using clsact

Signed-off-by: Victor Nogueira <victor@mojatatu.com>
Link: https://patch.msgid.link/20260101135608.253079-3-jhs@mojatatu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Victor Nogueira 2026-01-01 08:56:08 -05:00 committed by Jakub Kicinski
parent 9892353726
commit 4bcd49a03b
1 changed files with 47 additions and 0 deletions
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47
tools/testing/selftests/tc-testing/tc-tests/actions/mirred.json
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@ -1098,5 +1098,52 @@
"teardown": [
"$TC qdisc del dev $DUMMY root"
]
},
{
"id": "4ed9",
"name": "Try to redirect to self on egress with clsact",
"category": [
"filter",
"mirred"
],
"plugins": {
"requires": [
"nsPlugin"
]
},
"setup": [
"$IP link set dev $DUMMY up || true",
"$IP addr add 10.10.10.10/24 dev $DUMMY || true",
"$TC qdisc add dev $DUMMY clsact",
"$TC filter add dev $DUMMY egress protocol ip prio 10 matchall action mirred egress redirect dev $DUMMY index 1"
],
"cmdUnderTest": "ping -c1 -W0.01 -I $DUMMY 10.10.10.1",
"expExitCode": "1",
"verifyCmd": "$TC -j -s actions get action mirred index 1",
"matchJSON": [
{
"total acts": 0
},
{
"actions": [
{
"order": 1,
"kind": "mirred",
"mirred_action": "redirect",
"direction": "egress",
"index": 1,
"stats": {
"packets": 1,
"overlimits": 1
},
"not_in_hw": true
}
]
}
],
"teardown": [
"$TC qdisc del dev $DUMMY clsact"
]
}
]