Re: [PATCH bpf-next v6 2/5] netfilter: bpf: Support BPF_F_NETFILTER_IP_DEFRAG in netfilter link

[Florian Westphal]

Daniel Xu <dxu@xxxxxxxxx> wrote:
> This commit adds support for enabling IP defrag using pre-existing
> netfilter defrag support. Basically all the flag does is bump a refcnt
> while the link the active. Checks are also added to ensure the prog
> requesting defrag support is run _after_ netfilter defrag hooks.
> 
> We also take care to avoid any issues w.r.t. module unloading -- while
> defrag is active on a link, the module is prevented from unloading.

Reviewed-by: Florian Westphal <fw@xxxxxxxxx>