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2025-05-27selftests: net: move wait_local_port_listen to lib.shHangbin Liu
The function wait_local_port_listen() is the only function defined in net_helper.sh. Since some tests source both lib.sh and net_helper.sh, we can simplify the setup by moving wait_local_port_listen() to lib.sh. With this change, net_helper.sh becomes redundant and can be removed. Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20250526014600.9128-1-liuhangbin@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-31selftests: net: use the dummy bpf from net/libJakub Kicinski
Commit 29b036be1b0b ("selftests: drv-net: test XDP, HDS auto and the ioctl path") added an sample XDP_PASS prog in net/lib, so that we can reuse it in various sub-directories. Delete the old sample and use the one from the lib in existing tests. Acked-by: Stanislav Fomichev <sdf@fomichev.me> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://patch.msgid.link/20250327222315.1098596-3-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-24selftests: net: name bpf objects consistently and simplify MakefileJakub Kicinski
The BPF sources moved with bpf_offload.py have a suffix of .bpf.c which seems to be useful convention. Rename the 2 other BPF sources we had. Use wildcard in the Makefile, since we can match all those files easily now. Link: https://lore.kernel.org/r/20240423183542.3807234-2-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-01-25selftests: net: remove dependency on ebpf testsPaolo Abeni
Several net tests requires an XDP program build under the ebpf directory, and error out if such program is not available. That makes running successful net test hard, let's duplicate into the net dir the [very small] program, re-using the existing rules to build it, and finally dropping the bogus dependency. Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://lore.kernel.org/r/28e7af7c031557f691dc8045ee41dd549dd5e74c.1706131762.git.pabeni@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-11-16selftests/net: synchronize udpgro tests' tx and rx connectionLucas Karpinski
The sockets used by udpgso_bench_tx aren't always ready when udpgso_bench_tx transmits packets. This issue is more prevalent in -rt kernels, but can occur in both. Replace the hacky sleep calls with a function that checks whether the ports in the namespace are ready for use. Suggested-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Lucas Karpinski <lkarpins@redhat.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-11-18selftests/net: fix missing xdp_dummyWang Yufen
After commit afef88e65554 ("selftests/bpf: Store BPF object files with .bpf.o extension"), we should use xdp_dummy.bpf.o instade of xdp_dummy.o. In addition, use the BPF_FILE variable to save the BPF object file name, which can be better identified and modified. Fixes: afef88e65554 ("selftests/bpf: Store BPF object files with .bpf.o extension") Signed-off-by: Wang Yufen <wangyufen@huawei.com> Cc: Daniel Müller <deso@posteo.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-11-04selftests/net: give more time to udpgro bg processes to complete startupAdrien Thierry
In some conditions, background processes in udpgro don't have enough time to set up the sockets. When foreground processes start, this results in the test failing with "./udpgso_bench_tx: sendmsg: Connection refused". For instance, this happens from time to time on a Qualcomm SA8540P SoC running CentOS Stream 9. To fix this, increase the time given to background processes to complete the startup before foreground processes start. Signed-off-by: Adrien Thierry <athierry@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-01selftests/net: fix section name when using xdp_dummy.oHangbin Liu
Since commit 8fffa0e3451a ("selftests/bpf: Normalize XDP section names in selftests") the xdp_dummy.o's section name has changed to xdp. But some tests are still using "section xdp_dummy", which make the tests failed. Fix them by updating to the new section name. Fixes: 8fffa0e3451a ("selftests/bpf: Normalize XDP section names in selftests") Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/r/20220630062228.3453016-1-liuhangbin@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2018-11-07selftests: add functionals test for UDP GROPaolo Abeni
Extends the existing udp programs to allow checking for proper GRO aggregation/GSO size, and run the tests via a shell script, using a veth pair with XDP program attached to trigger the GRO code path. rfc v3 -> v1: - use ip route to attach the xdp helper to the veth rfc v2 -> rfc v3: - add missing test program options documentation - fix sporatic test failures (receiver faster than sender) Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-07selftests: add some benchmark for UDP GROPaolo Abeni
Run on top of veth pair, using a dummy XDP program to enable the GRO. rfc v3 -> v1: - use ip route to attach the xdp helper to the veth Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>