linux-stable.git/tools/testing/selftests/drivers, branch v6.18.4

selftests: drv-net: psp: fix test names in ipver_test_builder()

2026-01-08T09:16:46+00:00

[ Upstream commit f0e5126f5e55d4939784ff61b0b7e9f9636d787d ]

test_case will only take on the formatted name after being
called. This does not work with the way ksft_run() currently
works. Assign the name after the test_case is created.

Fixes: 81236c74dba6 ("selftests: drv-net: psp: add test for auto-adjusting TCP MSS")
Signed-off-by: Daniel Zahka 
Link: https://patch.msgid.link/20251216-psp-test-fix-v1-2-3b5a6dde186f@gmail.com
Signed-off-by: Paolo Abeni 
Signed-off-by: Sasha Levin

selftests: drv-net: psp: fix templated test names in psp_ip_ver_test_builder()

2026-01-08T09:16:45+00:00

[ Upstream commit d52668cac3f98f86aa1fb238dec1320c80fbefea ]

test_case will only take on its formatted name after it is called by
the test runner. Move the assignment to test_case.__name__ to when the
test_case is constructed, not called.

Fixes: 8f90dc6e417a ("selftests: drv-net: psp: add basic data transfer and key rotation tests")
Signed-off-by: Daniel Zahka 
Link: https://patch.msgid.link/20251216-psp-test-fix-v1-1-3b5a6dde186f@gmail.com
Signed-off-by: Paolo Abeni 
Signed-off-by: Sasha Levin

selftests: bonding: add delay before each xvlan_over_bond connectivity check

2025-12-18T13:03:27+00:00

[ Upstream commit 2c28ee720ad14f58eb88a97ec3efe7c5c315ea5d ]

Jakub reported increased flakiness in bond_macvlan_ipvlan.sh on regular
kernel, while the tests consistently pass on a debug kernel. This suggests
a timing-sensitive issue.

To mitigate this, introduce a short sleep before each xvlan_over_bond
connectivity check. The delay helps ensure neighbor and route cache
have fully converged before verifying connectivity.

The sleep interval is kept minimal since check_connection() is invoked
nearly 100 times during the test.

Fixes: 246af950b940 ("selftests: bonding: add macvlan over bond testing")
Reported-by: Jakub Kicinski 
Closes: https://lore.kernel.org/netdev/20251114082014.750edfad@kernel.org
Signed-off-by: Hangbin Liu 
Link: https://patch.msgid.link/20251127143310.47740-1-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski 
Signed-off-by: Sasha Levin

selftest: netcons: add test for netconsole over bonded interfaces

2025-11-11T02:34:44+00:00

This patch adds a selftest that verifies netconsole functionality
over bonded network interfaces using netdevsim. It sets up two bonded
interfaces acting as transmit (TX) and receive (RX) ends, placed in
separate network namespaces. The test sends kernel log messages and
verifies that they are properly received on the bonded RX interfaces
with both IPv4 and IPv6, and using basic and extended netconsole
formats.

This patchset aims to test a long-standing netpoll subsystem where
netpoll has multiple users. (in this case netconsole and bonding). A
similar selftest has been discussed in [1] and [2].

This test also tries to enable bonding and netpoll in different order,
just to guarantee that all the possibilities are exercised.

Link: https://lore.kernel.org/all/20250905-netconsole_torture-v3-0-875c7febd316@debian.org/ [1]
Link: https://lore.kernel.org/lkml/96b940137a50e5c387687bb4f57de8b0435a653f.1404857349.git.decot@googlers.com/ [2]
Signed-off-by: Breno Leitao 
Reviewed-by: Simon Horman 
Link: https://patch.msgid.link/20251107-netconsole_torture-v10-4-749227b55f63@debian.org
Signed-off-by: Jakub Kicinski

selftest: netcons: create a torture test

2025-11-11T02:34:44+00:00

Create a netconsole test that puts a lot of pressure on the netconsole
list manipulation. Do it by creating dynamic targets and deleting
targets while messages are being sent. Also put interface down while the
messages are being sent, as creating parallel targets.

The code launches three background jobs on distinct schedules:

 * Toggle netcons target every 30 iterations
 * create and delete random_target every 50 iterations
 * toggle iface every 70 iterations

This creates multiple concurrency sources that interact with netconsole
states. This is good practice to simulate stress, and exercise netpoll
and netconsole locks.

This test already found an issue as reported in [1]

Link: https://lore.kernel.org/all/20250901-netpoll_memleak-v1-1-34a181977dfc@debian.org/ [1]
Signed-off-by: Breno Leitao 
Reviewed-by: Andre Carvalho 
Reviewed-by: Simon Horman 
Link: https://patch.msgid.link/20251107-netconsole_torture-v10-3-749227b55f63@debian.org
Signed-off-by: Jakub Kicinski

selftest: netcons: refactor target creation

2025-11-11T02:34:44+00:00

Extract the netconsole target creation from create_dynamic_target(), by
moving it from create_dynamic_target() into a new helper function. This
enables other tests to use the creation of netconsole targets with
arbitrary parameters and no sleep.

The new helper will be utilized by forthcoming torture-type selftests
that require dynamic target management.

Signed-off-by: Breno Leitao 
Reviewed-by: Simon Horman 
Link: https://patch.msgid.link/20251107-netconsole_torture-v10-2-749227b55f63@debian.org
Signed-off-by: Jakub Kicinski

selftests: netdevsim: Fix ethtool-coalesce.sh fail by installing ethtool-common.sh

2025-11-01T00:41:54+00:00

The script "ethtool-common.sh" is not installed in INSTALL_PATH, and
triggers some errors when I try to run the test
'drivers/net/netdevsim/ethtool-coalesce.sh':

  TAP version 13
  1..1
  # timeout set to 600
  # selftests: drivers/net/netdevsim: ethtool-coalesce.sh
  # ./ethtool-coalesce.sh: line 4: ethtool-common.sh: No such file or directory
  # ./ethtool-coalesce.sh: line 25: make_netdev: command not found
  # ethtool: bad command line argument(s)
  # ./ethtool-coalesce.sh: line 124: check: command not found
  # ./ethtool-coalesce.sh: line 126: [: -eq: unary operator expected
  # FAILED /0 checks
  not ok 1 selftests: drivers/net/netdevsim: ethtool-coalesce.sh # exit=1

Install this file to avoid this error. After this patch:

  TAP version 13
  1..1
  # timeout set to 600
  # selftests: drivers/net/netdevsim: ethtool-coalesce.sh
  # PASSED all 22 checks
  ok 1 selftests: drivers/net/netdevsim: ethtool-coalesce.sh

Fixes: fbb8531e58bd ("selftests: extract common functions in ethtool-common.sh")
Signed-off-by: Wang Liang 
Link: https://patch.msgid.link/20251030040340.3258110-1-wangliang74@huawei.com
Signed-off-by: Jakub Kicinski

selftests: drv-net: update remaining Python init files

2025-10-12T18:03:53+00:00

Convert remaining __init__ files similar to what we did in
commit b615879dbfea ("selftests: drv-net: make linters happy with our imports")

Signed-off-by: Jakub Kicinski 
Signed-off-by: Stanislav Fomichev 
Reviewed-by: Simon Horman 
Signed-off-by: David S. Miller

selftests: drv-net: pp_alloc_fail: add necessary optoins to config

2025-10-09T09:10:02+00:00

Add kernel config for error injection as needed by pp_alloc_fail.py

Reviewed-by: Simon Horman 
Fixes: 9da271f825e4 ("selftests: drv-net-hw: add test for memory allocation failures with page pool")
Signed-off-by: Jakub Kicinski 
Reviewed-by: Jacob Keller 
Link: https://patch.msgid.link/20251007232653.2099376-10-kuba@kernel.org
Signed-off-by: Paolo Abeni

selftests: drv-net: pp_alloc_fail: lower traffic expectations

2025-10-09T09:10:02+00:00

Lower the expected level of traffic in the pp_alloc_fail test
and calculate failure counter thresholds based on the traffic
rather than using a fixed constant.

We only have "QEMU HW" in NIPA right now, and the test (due to
debug dependencies) only works on debug kernels in the first place.
We need some place for it to pass otherwise it seems to be bit
rotting. So lower the traffic threshold so that it passes on QEMU
and with a debug kernel...

Reviewed-by: Simon Horman 
Signed-off-by: Jakub Kicinski 
Reviewed-by: Jacob Keller 
Link: https://patch.msgid.link/20251007232653.2099376-9-kuba@kernel.org
Signed-off-by: Paolo Abeni