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2024-03-06selftests/bpf: Verify struct_ops autoload/autocreate syncEduard Zingerman
Check that autocreate flags of struct_ops map cause autoload of struct_ops corresponding programs: - when struct_ops program is referenced only from a map for which autocreate is set to false, that program should not be loaded; - when struct_ops program with autoload == false is set to be used from a map with autocreate == true using shadow var, that program should be loaded; - when struct_ops program is not referenced from any map object load should fail. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20240306104529.6453-10-eddyz87@gmail.com
2024-03-06selftests/bpf: Bad_struct_ops testEduard Zingerman
When loading struct_ops programs kernel requires BTF id of the struct_ops type and member index for attachment point inside that type. This makes impossible to use same BPF program in several struct_ops maps that have different struct_ops type. Check if libbpf rejects such BPF objects files. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20240306104529.6453-7-eddyz87@gmail.com