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Willem de Bruijn 8a405552fd selftests/net: integrate packetdrill with ksft 
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 a8a388c2aa ("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/20240827193417.2792223-1-willemdebruijn.kernel@gmail.com/
Signed-off-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20240905231653.2427327-3-willemdebruijn.kernel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-09 17:38:02 -07:00
..
accounting
arch tools/include: Sync arm64 headers with the kernel sources 2024-08-07 10:59:07 -07:00
bootconfig
bpf tools/resolve_btfids: Fix comparison of distinct pointer types warning in resolve_btfids 2024-07-22 16:35:30 +02:00
build Another perf tools fixes for v6.11 2024-07-30 19:22:41 -07:00
certs
cgroup
counter
crypto
debugging
firewire
firmware
gpio gpio: add sloppy logic analyzer using polling 2024-07-01 10:54:11 +02:00
hv
iio
include bpf-next-for-netdev 2024-08-26 08:50:29 -07:00
kvm/kvm_stat
laptop
leds
lib bitmap-6.11-rc1 2024-07-26 09:50:36 -07:00
memory-model kcsan: Add __data_racy documentation and module description 2024-07-15 15:44:40 -07:00
mm tools/mm: introduce a tool to assess swap entry allocation for thp_swapout 2024-07-10 12:14:51 -07:00
net/ynl Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-09-05 20:37:20 -07:00
objtool - 875fa64577da ("mm/hugetlb_vmemmap: fix race with speculative PFN 2024-07-21 17:15:46 -07:00
pci
pcmcia
perf perf daemon: Fix the build on more 32-bit architectures 2024-09-02 11:59:24 -07:00
power turbostat release 2024.07.26 2024-07-28 10:52:15 -07:00
rcu tools/rcu: Add rcu-updaters.sh script 2024-06-06 11:44:42 -07:00
scripts
sound
spi
testing selftests/net: integrate packetdrill with ksft 2024-09-09 17:38:02 -07:00
thermal
time
tracing rtla/osnoise: Prevent NULL dereference in error handling 2024-08-09 13:03:15 -04:00
usb
verification tools/verification: Use pkg-config in lib_setup of Makefile.config 2024-07-17 13:14:51 -07:00
virtio tools/virtio: creating pipe assertion in vringh_test 2024-07-04 11:00:31 -04:00
wmi
workqueue
writeback
Makefile