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2022-10-13selftests/bpf: S/iptables/iptables-legacy/ in the bpf_nf and xdp_synproxy testGravatar Martin KaFai Lau 1-3/+3
The recent vm image in CI has reported error in selftests that use the iptables command. Manu Bretelle has pointed out the difference in the recent vm image that the iptables is sym-linked to the iptables-nft. With this knowledge, I can also reproduce the CI error by manually running with the 'iptables-nft'. This patch is to replace the iptables command with iptables-legacy to unblock the CI tests. Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: David Vernet <void@manifault.com> Link: https://lore.kernel.org/bpf/20221012221235.3529719-1-martin.lau@linux.dev
2022-09-21selftests/bpf: add tests for bpf_ct_set_nat_info kfuncGravatar Lorenzo Bianconi 1-3/+7
Introduce self-tests for bpf_ct_set_nat_info kfunc used to set the source or destination nat addresses/ports. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Link: https://lore.kernel.org/r/803e33294e247744d466943105879414344d3235.1663778601.git.lorenzo@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-09-10selftests/bpf: fix ct status check in bpf_nf selftestsGravatar Lorenzo Bianconi 1-2/+3
Check properly the connection tracking entry status configured running bpf_ct_change_status kfunc. Remove unnecessary IPS_CONFIRMED status configuration since it is already done during entry allocation. Fixes: 6eb7fba007a7 ("selftests/bpf: Add tests for new nf_conntrack kfuncs") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Acked-by: Song Liu <song@kernel.org> Link: https://lore.kernel.org/r/813a5161a71911378dfac8770ec890428e4998aa.1662623574.git.lorenzo@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-09-10selftests/bpf: Add tests for writing to nf_conn:markGravatar Daniel Xu 1-0/+2
Add a simple extension to the existing selftest to write to nf_conn:mark. Also add a failure test for writing to unsupported field. Signed-off-by: Daniel Xu <dxu@dxuuu.xyz> Link: https://lore.kernel.org/r/f78966b81b9349d2b8ebb4cee2caf15cb6b38ee2.1662568410.git.dxu@dxuuu.xyz Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-08-15selftests/bpf: Add connmark read testGravatar Daniel Xu 1-1/+2
Test that the prog can read from the connection mark. This test is nice because it ensures progs can interact with netfilter subsystem correctly. Signed-off-by: Daniel Xu <dxu@dxuuu.xyz> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Link: https://lore.kernel.org/bpf/d3bc620a491e4c626c20d80631063922cbe13e2b.1660254747.git.dxu@dxuuu.xyz
2022-08-15selftests/bpf: Add existing connection bpf_*_ct_lookup() testGravatar Daniel Xu 1-0/+59
Add a test where we do a conntrack lookup on an existing connection. This is nice because it's a more realistic test than artifically creating a ct entry and looking it up afterwards. Signed-off-by: Daniel Xu <dxu@dxuuu.xyz> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Link: https://lore.kernel.org/bpf/de5a617832f38f8b5631cc87e2a836da7c94d497.1660254747.git.dxu@dxuuu.xyz
2022-07-21selftests/bpf: Add negative tests for new nf_conntrack kfuncsGravatar Kumar Kartikeya Dwivedi 1-1/+55
Test cases we care about and ensure improper usage is caught and rejected by the verifier. Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Link: https://lore.kernel.org/r/20220721134245.2450-13-memxor@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-07-21selftests/bpf: Add tests for new nf_conntrack kfuncsGravatar Lorenzo Bianconi 1-0/+8
Introduce selftests for the following kfunc helpers: - bpf_xdp_ct_alloc - bpf_skb_ct_alloc - bpf_ct_insert_entry - bpf_ct_set_timeout - bpf_ct_change_timeout - bpf_ct_set_status - bpf_ct_change_status Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Link: https://lore.kernel.org/r/20220721134245.2450-12-memxor@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-02-02selftests/bpf: Migrate from bpf_prog_test_runGravatar Delyan Kratunov 1-3/+7
bpf_prog_test_run is being deprecated in favor of the OPTS-based bpf_prog_test_run_opts. We end up unable to use CHECK in most cases, so replace usages with ASSERT_* calls. Signed-off-by: Delyan Kratunov <delyank@fb.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20220202235423.1097270-2-delyank@fb.com
2022-01-18selftests/bpf: Add test for unstable CT lookup APIGravatar Kumar Kartikeya Dwivedi 1-0/+48
This tests that we return errors as documented, and also that the kfunc calls work from both XDP and TC hooks. Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Link: https://lore.kernel.org/r/20220114163953.1455836-8-memxor@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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