Re: [RFC net-next 00/18] virtio_net XDP offload

[Jason Wang]

On 2019/12/2 上午12:54, David Ahern wrote:
> On 11/27/19 10:18 PM, Jason Wang wrote:
> > We try to follow what NFP did by starting from a fraction of the whole
> > eBPF features. It would be very hard to have all eBPF features
> > implemented from the start.  It would be helpful to clarify what's the
> > minimal set of features that you want to have from the start.
> Offloading guest programs needs to prevent a guest XDP program from
> running bpf helpers that access host kernel data. e.g., bpf_fib_lookup


Right, so we probably need a new type of eBPF program on the host and 
filter out the unsupported helpers there.

Thanks


>