On Thu, Jun 06, 2019 at 01:30:12PM -0700, Roman Gushchin wrote: > Currently bpf_skb_cgroup_id() is not supported for CGROUP_SKB > programs. An attempt to load such a program generates an error > like this: > > libbpf: > 0: (b7) r6 = 0 > ... > 9: (85) call bpf_skb_cgroup_id#79 > unknown func bpf_skb_cgroup_id#79 > > There are no particular reasons for denying it, and we have some > use cases where it might be useful. > > So let's add it to the list of allowed helpers. Acked-by: Martin KaFai Lau <kafai@xxxxxx>
