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selftests: drv-net: hide the devlink port_split test

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The devlink port_split test has limited applicability.
NICs (as opposed to switches) require at least a re-probe
to apply the split configuration.

On top of that the test is not compatible with our driver env,
it just splits all ports on the system, not only what NETIF
points at.

Long term we may want to add some indication in devlink whether
the port splitting is runtime (cmode of sorts), and fix the
test to follow driver env. But since no (known) NIC driver can
support runtime anyway let's just hide the test from the selftest
framework by moving it to extra files.

Having this test randomly break unrelated NICs within the DUT
makes people implement allow-lists for ksft, which then means
their setups don't run new tests. It's very useful during test
review to see whether the test works across all the runners.

Reviewed-by: Petr Machata <petrm@nvidia.com>
Link: https://patch.msgid.link/20260811004645.1072124-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2026-08-10 17:46:45 -07:00
parent 5838193edc
commit 878b56de01
1 changed files with 4 additions and 1 deletions
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5
tools/testing/selftests/drivers/net/hw/Makefile
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@ -19,7 +19,6 @@ TEST_GEN_FILES := \
TEST_PROGS = \
csum.py \
devlink_port_split.py \
devlink_rate_cross_esw.py \
devlink_rate_tc_bw.py \
devmem.py \
@ -54,6 +53,10 @@ TEST_PROGS = \
xsk_reconfig.py \
#
TEST_PROGS_EXTENDED := \
devlink_port_split.py \
# end of TEST_PROGS_EXTENDED
TEST_FILES := \
devmem_lib.py \
ethtool_lib.sh \