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fe20ce3a51
Extend libbpf attach opts and add a new detach opts API so this can be used to add/remove fd-based tcx BPF programs. The old-style bpf_prog_detach() and bpf_prog_detach2() APIs are refactored to reuse the new bpf_prog_detach_opts() internally. The bpf_prog_query_opts() API got extended to be able to handle the new link_ids, link_attach_flags and revision fields. For concrete usage examples, see the extensive selftests that have been developed as part of this series. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/r/20230719140858.13224-4-daniel@iogearbox.net Signed-off-by: Alexei Starovoitov <ast@kernel.org>