Quentin Deslandes [off-list ref] wrote:

That sounds interesting. If my understanding is correct, Florian's
work doesn't yet allow for userspace-generated programs to be attached,
which will be required for bpfilter.

Yes, but I started working on the attachment side.  It doesn't depend
on the nf-bpf generator patch set.

I think I can share PoC/RFC draft next week.