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Daniel T. Lee authored
By this commit, using `bpftool net detach`, the attached XDP prog can be detached. Detaching the BPF prog will be done through libbpf 'bpf_set_link_xdp_fd' with the progfd set to -1. Acked-by: Yonghong Song <yhs@fb.com> Signed-off-by: Daniel T. Lee <danieltimlee@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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