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Resetting queues while the device is down should be legal.
Allow it, test it. Ideally we'd test this with a real device
supporting devmem but I don't have access to such devices.
Reviewed-by: Mina Almasry <almasrymina@google.com>
Link: https://patch.msgid.link/20250206225638.1387810-5-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Test listing netdevsim NAPIs before and after a single queue
has been reset (and NAPIs re-added).
Start from resetting the middle queue because edge cases
(first / last) may actually be less likely to trigger bugs.
# ./tools/testing/selftests/net/nl_netdev.py
KTAP version 1
1..4
ok 1 nl_netdev.empty_check
ok 2 nl_netdev.lo_check
ok 3 nl_netdev.page_pool_check
ok 4 nl_netdev.napi_list_check
# Totals: pass:4 fail:0 xfail:0 xpass:0 skip:0 error:0
Reviewed-by: Willem de Bruijn <willemb@google.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Test cases need to exit with non-zero status if they failed,
we currently don't do that:
# KTAP version 1
# 1..3
# # At /root/ksft-net-drv/drivers/net/./ping.py line 18:
# # Check failed 1 != 2
# not ok 1 ping.test_v4
# ok 2 ping.test_v6
# ok 3 ping.test_tcp
# # Totals: pass:2 fail:1 xfail:0 xpass:0 skip:0 error:0
ok 1 selftests: drivers/net: ping.py
^^^^
It's a bit tempting to make the exit part of ksft_run(),
but that only works well for very trivial setups. We can
revisit this later, if people forget to call ksft_exit().
Link: https://lore.kernel.org/r/20240417231146.2435572-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a Python test for the basic ops.
# ./net/nl_netdev.py
KTAP version 1
1..3
ok 1 nl_netdev.empty_check
ok 2 nl_netdev.lo_check
ok 3 nl_netdev.page_pool_check
# Totals: pass:3 fail:0 xfail:0 xpass:0 skip:0 error:0
Reviewed-by: Petr Machata <petrm@nvidia.com>
Link: https://lore.kernel.org/r/20240412141436.828666-7-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a trivial test using YNL.
$ ./tools/testing/selftests/net/nl_netdev.py
KTAP version 1
1..2
ok 1 nl_netdev.empty_check
ok 2 nl_netdev.lo_check
Instantiate the family once, it takes longer than the test itself.
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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