From: Oliver Neukum <oneu...@suse.com> Date: Wed, 25 Jan 2017 10:34:41 +0100
> looking at r8152 I noticed that it uses NAPI. I never considered > this for the generic USB networking code as you cannot disable > interrupts for USB. Is it still worth it? What are the benefits? I think it's not a good approach for getting GRO. Exactly because of the issue you raise, in that USB drivers cannot stop the URBs from coming in while running their poll method.