selftest: Add tests for XDP programs in CPUMAP entries

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Similar to what have been done for DEVMAP, introduce tests to verify
ability to add a XDP program to an entry in a CPUMAP.
Verify CPUMAP programs can not be attached to devices as a normal
XDP program, and only programs with BPF_XDP_CPUMAP attach type can
be loaded in a CPUMAP.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/9c632fcea5382ea7b4578bd06b6eddf382c3550b.1594734381.git.lorenzo@kernel.org

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Lorenzo Bianconi 2020-07-14 15:56:42 +02:00 • committed by Daniel Borkmann

parent ce4dade7f1

commit 0550012502

2 changed files with 106 additions and 0 deletions

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70

tools/testing/selftests/bpf/prog_tests/xdp_cpumap_attach.c

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36

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

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