On Thu, Jun 29, 2023 at 04:53:15PM +0200, Florian Westphal wrote: > Toke Høiland-Jørgensen <toke@xxxxxxxxxx> wrote: > > Florian Westphal <fw@xxxxxxxxx> writes: > > As for the original question, that's answered by your point above: If > > those two modules are the only ones that are likely to need this, then a > > flag for each is fine by me - that was the key piece I was missing (I'm > > not a netfilter expert, as you well know). > > No problem, I was worried I was missing an important piece of kfunc > plumbing :-) > > You do raise a good point though. With kfuncs, module is pinned. > So, should a "please turn on defrag for this bpf_link" pin > the defrag modules too? > > For plain netfilter we don't do that, i.e. you can just do > "rmmod nf_defrag_ipv4". But I suspect that for the new bpf-link > defrag we probably should grab a reference to prevent unwanted > functionality breakage of the bpf prog. Ack. Will add to v3. Thanks, Daniel