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selftests: drv-net: add shaper test for duplicate leaves

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Add test exercising duplicate leaves.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20260510192904.3987113-5-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Jakub Kicinski 2026-05-10 12:28:58 -07:00 committed by Paolo Abeni
parent a9a2fa1da6
commit 6e8ae9d805
1 changed files with 22 additions and 2 deletions
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24
tools/testing/selftests/drivers/net/shaper.py
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@ -1,7 +1,10 @@
#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-2.0
from lib.py import ksft_run, ksft_exit, ksft_eq, ksft_true, KsftSkipEx
import errno
from lib.py import ksft_run, ksft_exit
from lib.py import ksft_eq, ksft_raises, ksft_true, KsftSkipEx
from lib.py import EthtoolFamily, NetshaperFamily
from lib.py import NetDrvEnv
from lib.py import NlError
@ -438,6 +441,21 @@ def queue_update(cfg, nl_shaper) -> None:
nl_shaper.delete({'ifindex': cfg.ifindex,
'handle': {'scope': 'queue', 'id': i}})
def dup_leaves(cfg, nl_shaper) -> None:
""" Ensure that the kernel rejects duplicate leaves. """
if not cfg.groups:
raise KsftSkipEx("device does not support node scope")
with ksft_raises(NlError) as cm:
nl_shaper.group({
'ifindex': cfg.ifindex,
'leaves':[{'handle': {'scope': 'queue', 'id': 0}},
{'handle': {'scope': 'queue', 'id': 0}}],
'handle': {'scope':'node'},
'metric': 'bps',
'bw-max': 10000})
ksft_eq(cm.exception.error, errno.EINVAL)
def main() -> None:
with NetDrvEnv(__file__, queue_count=4) as cfg:
cfg.queues = False
@ -453,7 +471,9 @@ def main() -> None:
basic_groups,
qgroups,
delegation,
queue_update], args=(cfg, NetshaperFamily()))
dup_leaves,
queue_update],
args=(cfg, NetshaperFamily()))
ksft_exit()