On Thu, Oct 3, 2019 at 12:35 AM Toke Høiland-Jørgensen <toke@xxxxxxxxxx> wrote:
>
> Andrii Nakryiko <andriin@xxxxxx> writes:
>
> > +/* a helper structure used by eBPF C program
> > + * to describe BPF map attributes to libbpf loader
> > + */
> > +struct bpf_map_def {
> > + unsigned int type;
> > + unsigned int key_size;
> > + unsigned int value_size;
> > + unsigned int max_entries;
> > + unsigned int map_flags;
> > +};
>
> Why is this still here? There's already an identical definition in libbpf.h...
>
It's a BPF (kernel) side vs userspace side difference. bpf_helpers.h
are included from BPF program, while libbpf.h won't work on kernel
side. So we have to have a duplicate of bpf_map_def.
> -Toke
>
