Re: [PATCH bpf-next] bpf: allow CGROUP_SKB programs to use bpf_skb_cgroup_id() helper

2019-06-06 Thread Roman Gushchin
On Fri, Jun 07, 2019 at 02:00:20AM +0200, Daniel Borkmann wrote: > On 06/06/2019 10:30 PM, 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)

Re: [PATCH bpf-next] bpf: allow CGROUP_SKB programs to use bpf_skb_cgroup_id() helper

2019-06-06 Thread Daniel Borkmann
On 06/06/2019 10:30 PM, 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

Re: [PATCH bpf-next] bpf: allow CGROUP_SKB programs to use bpf_skb_cgroup_id() helper

2019-06-06 Thread Martin Lau
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 >

[PATCH bpf-next] bpf: allow CGROUP_SKB programs to use bpf_skb_cgroup_id() helper

2019-06-06 Thread Roman Gushchin
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