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selftests: drv-net: extend so_txtime with FQ with other clocks

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Add a variant of the existing FQ tests, but pass CLOCK_TAI rather than
the native CLOCK_MONOTONIC clock id.

FQ used to imply monotonic. This is no longer the case, and the
inverse need not hold either. Rename $PREFIX_mono to $PREFIX_fq.

Signed-off-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20260604194221.3319080-4-willemdebruijn.kernel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Willem de Bruijn 2026-06-04 15:41:05 -04:00 committed by Jakub Kicinski
parent c4f796c4f1
commit b016022b12
1 changed files with 14 additions and 4 deletions
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18
tools/testing/selftests/drivers/net/so_txtime.py
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@ -46,7 +46,7 @@ def _qdisc_setup(ifname, qdisc, optargs=""):
tc(f"qdisc replace dev {ifname} root {qdisc} {optargs}")
def _test_variants_mono():
def _test_variants_fq():
for ipver in ["4", "6"]:
for testcase in [
["no_delay", "a,-1", "a,-1"],
@ -59,13 +59,20 @@ def _test_variants_mono():
yield KsftNamedVariant(name, ipver, testcase[1], testcase[2])
@ksft_variants(_test_variants_mono())
def test_so_txtime_mono(cfg, ipver, args_tx, args_rx):
@ksft_variants(_test_variants_fq())
def test_so_txtime_fq_mono(cfg, ipver, args_tx, args_rx):
"""Run all variants of monotonic (fq) tests."""
_qdisc_setup(cfg.ifname, "fq")
test_so_txtime(cfg, "mono", ipver, args_tx, args_rx, True)
@ksft_variants(_test_variants_fq())
def test_so_txtime_fq_tai(cfg, ipver, args_tx, args_rx):
"""Run all variants of fq tests, but pass CLOCK_TAI to test conversion."""
_qdisc_setup(cfg.ifname, "fq")
test_so_txtime(cfg, "tai", ipver, args_tx, args_rx, True)
def _test_variants_etf():
for ipver in ["4", "6"]:
for testcase in [
@ -95,7 +102,10 @@ def test_so_txtime_etf(cfg, ipver, args_tx, args_rx, expect_fail):
def main() -> None:
"""Boilerplate ksft main."""
with NetDrvEpEnv(__file__) as cfg:
ksft_run([test_so_txtime_mono, test_so_txtime_etf], args=(cfg,))
ksft_run(
[test_so_txtime_fq_mono, test_so_txtime_fq_tai, test_so_txtime_etf],
args=(cfg,),
)
ksft_exit()