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Some packetdrill tests are flaky in debug mode. As discussed, increase
tolerance.
We have been doing this for debug builds outside ksft too.
Previous setting was 10000. A manual 50 runs in virtme-ng showed two
failures that needed 12000. To be on the safe side, Increase to 14000.
Link: https://lore.kernel.org/netdev/Zuhhe4-MQHd3EkfN@mini-arch/
Fixes: 1e42f73fd3c2 ("selftests/net: packetdrill: import tcp/zerocopy")
Reported-by: Stanislav Fomichev <[email protected]>
Signed-off-by: Willem de Bruijn <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Acked-by: Stanislav Fomichev <[email protected]>
Acked-by: Matthieu Baerts (NGI0) <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
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Same import process as previous tests.
Also add CONFIG_NET_SCH_FQ to config, as one test uses that.
Same test process as previous tests. Both with and without debug mode.
Recording the steps once:
make mrproper
vng --build \
--config tools/testing/selftests/net/packetdrill/config \
--config kernel/configs/debug.config
vng -v --run . --user root --cpus 4 -- \
make -C tools/testing/selftests TARGETS=net/packetdrill run_tests
Link: https://github.com/linux-netdev/nipa/wiki/How-to-run-netdev-selftests-CI-style#how-to-build
Signed-off-by: Willem de Bruijn <[email protected]>
Acked-by: Matthieu Baerts (NGI0) <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Same as initial tests, import verbatim from
github.com/google/packetdrill, aside from:
- update `source ./defaults.sh` path to adjust for flat dir
- add SPDX headers
- remove author statements if any
- drop blank lines at EOF (new)
Also import set_sysctls.py, which many scripts depend on to set
sysctls and then restore them later. This is no longer strictly needed
for namespacified sysctl. But not all sysctls are namespacified, and
doesn't hurt if they are.
Signed-off-by: Willem de Bruijn <[email protected]>
Acked-by: Matthieu Baerts (NGI0) <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Run packetdrill tests inside netns.
They may change system settings, such as sysctl.
Also expand config with a few more needed CONFIGs.
Link: https://lore.kernel.org/netdev/[email protected]/
Signed-off-by: Willem de Bruijn <[email protected]>
Acked-by: Matthieu Baerts (NGI0) <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Lay the groundwork to import into kselftests the over 150 packetdrill
TCP/IP conformance tests on github.com/google/packetdrill.
Florian recently added support for packetdrill tests in nf_conntrack,
in commit a8a388c2aae49 ("selftests: netfilter: add packetdrill based
conntrack tests").
This patch takes a slightly different approach. It relies on
ksft_runner.sh to run every *.pkt file in the directory.
Any future imports of packetdrill tests should require no additional
coding. Just add the *.pkt files.
Initially import only two features/directories from github. One with a
single script, and one with two. This was the only reason to pick
tcp/inq and tcp/md5.
The path replaces the directory hierarchy in github with a flat space
of files: $(subst /,_,$(wildcard tcp/**/*.pkt)). This is the most
straightforward option to integrate with kselftests. The Linked thread
reviewed two ways to maintain the hierarchy: TEST_PROGS_RECURSE and
PRESERVE_TEST_DIRS. But both introduce significant changes to
kselftest infra and with that risk to existing tests.
Implementation notes:
- restore alphabetical order when adding the new directory to
tools/testing/selftests/Makefile
- imported *.pkt files and support verbatim from the github project,
except for
- update `source ./defaults.sh` path (to adjust for flat dir)
- add SPDX headers
- remove one author statement
- Acknowledgment: drop an e (checkpatch)
Tested:
make -C tools/testing/selftests \
TARGETS=net/packetdrill \
run_tests
make -C tools/testing/selftests \
TARGETS=net/packetdrill \
install INSTALL_PATH=$KSFT_INSTALL_PATH
# in virtme-ng
./run_kselftest.sh -c net/packetdrill
./run_kselftest.sh -t net/packetdrill:tcp_inq_client.pkt
Link: https://lore.kernel.org/netdev/[email protected]/
Signed-off-by: Willem de Bruijn <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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