From: Stephen Hemminger <step...@networkplumber.org> Date: Mon, 20 Jul 2020 13:56:50 -0700
> It matters because the problem is generic, not just to the netvsc driver. > For example, BPF programs and netfilter rules will see different packets > when send is through AF_PACKET than they would see for sends from the > kernel stack. > > Presenting uniform data to the lower layers makes sense. The issue here is that for hyperv, vlan offloading is not a "may" but a "must" and I've never understood it to have that meaning. And I still haven't heard what is going to happen in Q-in-Q situations even with the ugly hyperv driver hack that is currently under review.
