Hi, On Thu, Jan 07, 2021 at 09:30:47PM -0800, Saeed Mahameed wrote: > From: Roi Dayan <r...@nvidia.com> > > Connection tracking associates the connection state per packet. The > first packet of a connection is assigned with the +trk+new state. The > connection enters the established state once a packet is seen on the > other direction. > > Currently we offload only the established flows. However, UDP traffic > using source port entropy (e.g. vxlan, RoCE) will never enter the > established state. Such protocols do not require stateful processing, > and therefore could be offloaded.
If it doesn't require stateful processing, please enlight me on why conntrack is being used in the first place. What's the use case here? > > The change in the model is that a miss on the CT table will be forwarded > to a new +trk+new ct table and a miss there will be forwarded to the slow > path table. AFAICU this new +trk+new ct table is a wildcard match on sport with specific dports. Also AFAICU, such entries will not be visible to the userspace then. Is this right? Marcelo