On Fri, Jun 04, 2021 at 12:01:15PM +0530, Kumar Kartikeya Dwivedi wrote: > +/* TC bpf_link related API */ > +struct bpf_tc_hook; > + > +struct bpf_tc_link_opts { > + size_t sz; > + __u32 handle; > + __u32 priority; > + __u32 gen_flags; > + size_t :0; > +}; Did you think of a way to share struct bpf_tc_opts with above? Or use bpf_tc_link_opts inside bpf_tc_opts? Some other way? gen_flags here and flags there are the same?