selftests/bpf: add tests for bpf_tcp_check_syncookie and bpf_skc_lookup_tcp

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Add tests which verify that the new helpers work for both IPv4 and
IPv6, by forcing SYN cookies to always on. Use a new network namespace
to avoid clobbering the global SYN cookie settings.

Signed-off-by: Lorenz Bauer <lmb@cloudflare.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Lorenz Bauer 2019-03-22 09:54:06 +08:00 • committed by Alexei Starovoitov

parent 5792d52df1

commit bafc0ba826

6 changed files with 434 additions and 2 deletions

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1

tools/testing/selftests/bpf/.gitignore vendored

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tools/testing/selftests/bpf/Makefile

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8

tools/testing/selftests/bpf/bpf_helpers.h

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129

tools/testing/selftests/bpf/progs/test_tcp_check_syncookie_kern.c

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tools/testing/selftests/bpf/test_tcp_check_syncookie.sh Executable file

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212

tools/testing/selftests/bpf/test_tcp_check_syncookie_user.c

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