On Mon, Oct 03, 2016 at 10:46:07PM -0400, Cody Doucette wrote: > I'm interested in applying a hardware filter for entire subnets instead of > individual flows. I've seen previous threads stating that ntuple filter in > theory may be able to support this, but currently there's not any hardware > support for it. For example, the 82599 only allows you to set an entire > field to be matched, but not apply a prefix mask. > > Is anyone aware of any new NICs (last 1-2 years) where this is possible? It > would be a very useful feature and I'm having a hard time finding anything > suitable. > > Thanks in advance! > Cody
It is already possible to achieve line rate subnet matching performance using a proper configuration of rte_lpm so this might not really be required. Can you try that first? Matthew.
