On 2023-08-16 16:48:56 [+0200], Jesper Dangaard Brouer wrote:

I'm no expert in sched / softirq area of the kernel, but I'm willing to help
out testing different solution that can regain the "overload" protection
e.g. avoid packet processing "falls-of-an-edge" (and thus opens the kernel
to be DDoS'ed easily).
Is this what Sebastian's patchset does?

I was going to respond but didn't know what so far.
Can you figure out if you are using backlog or not. If you do, could try
my patch. If not could you try to enable napi-thread and see?
Either way I will re-read it again.

Sebastian