On Fri, Oct 27, 2017 at 09:45:34AM -0700, John Fastabend wrote:
> SK_SKB program types use bpf_compute_data to store the end of the
> packet data. However, bpf_compute_data assumes the cb is stored in the
> qdisc layer format. But, for SK_SKB this is the wrong layer of the
> stack for this type.
>
SK_SKB program types use bpf_compute_data to store the end of the
packet data. However, bpf_compute_data assumes the cb is stored in the
qdisc layer format. But, for SK_SKB this is the wrong layer of the
stack for this type.
It happens to work (sort of!) because in most cases nothing happens
to be