From: Imre Palik <imrep.amz@xxxxxxxxx> Date: Fri, 06 Mar 2015 11:34:29 +0100 > Removed those pieces of the packet pipeline that I don't necessarily > need one-by-one. Then measured their effect on small packet > performance. > > This was the only part that produced considerable effect. > > The pure speculation was about why the effect is more than 15% > increase in packet throughput, although the code path avoided > contains way less code than 15% of the packet pipeline. It seems, > Felix Fietkau profiled similar changes, and found my guess well > founded. Yes and that's the part being left out, the "why". That's part of what I expect in the justification. Look, we're not doing things this way. We need to find a clean and generic way to make the netfilter hooks as cheap as possible when netfilter rules are not in use.
