selftests: bpf: test BPF_PROG_QUERY for progs attached to sockmap
Add test for querying progs attached to sockmap. we use an existing libbpf query interface to query prog cnt before and after progs attaching to sockmap and check whether the queried prog id is right. Signed-off-by:Di Zhu <zhudi2@huawei.com> Acked-by:
Yonghong Song <yhs@fb.com> Reviewed-by:
Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/r/20220119014005.1209-2-zhudi2@huawei.com Signed-off-by:
Alexei Starovoitov <ast@kernel.org>
parent
748cd572
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