diff options
| author |   Toke Høiland-Jørgensen <toke@redhat.com> | 2025-04-10 12:43:21 +0200 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2025-04-11 16:33:32 -0700 |
| commit | 18c889a9a419dc1662548777b7122d980bccfdad (patch) | |
| tree | e52cef5ff60a9fdc9c25b5f94f88f8eac716450a | |
| parent | smc: Fix lockdep false-positive for IPPROTO_SMC. (diff) | |
| download | wireguard-linux-18c889a9a419dc1662548777b7122d980bccfdad.tar.xz wireguard-linux-18c889a9a419dc1662548777b7122d980bccfdad.zip | |
selftests/tc-testing: Add test for echo of big TC filters
Add a selftest that checks whether the kernel can successfully echo a
big tc filter, to test the fix introduced in commit:
369609fc6272 ("tc: Ensure we have enough buffer space when sending filter netlink notifications")
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Tested-by: Victor Nogueira <victor@mojatatu.com>
Link: https://patch.msgid.link/20250410104322.214620-1-toke@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | tools/testing/selftests/tc-testing/tc-tests/infra/actions.json | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tools/testing/selftests/tc-testing/tc-tests/infra/actions.json b/tools/testing/selftests/tc-testing/tc-tests/infra/actions.json index 1ba96c467754..d9fc62ab476c 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/infra/actions.json +++ b/tools/testing/selftests/tc-testing/tc-tests/infra/actions.json @@ -412,5 +412,27 @@ "teardown": [ "$TC qdisc del dev $DUMMY ingress" ] + }, + { + "id": "33f4", + "name": "Check echo of big filter command", + "category": [ + "infra", + "u32" + ], + "plugins": { + "requires": "nsPlugin" + }, + "setup": [ + "$TC qdisc add dev $DUMMY parent root handle 10: fq_codel" + ], + "cmdUnderTest": "bash -c '$TC -echo filter add dev $DUMMY parent 10: u32 match u32 0 0 $(for i in $(seq 32); do echo action pedit munge ip dport set 22; done) | grep \"added filter\"'", + "verifyCmd": "", + "expExitCode": "0", + "matchCount": "0", + "matchPattern": "", + "teardown": [ + "$TC qdisc del dev $DUMMY parent root fq_codel" + ] } ] |