On Thu, Oct 01, 2015 at 08:01:00AM -0700, Stephen Hemminger wrote: > The per-driver ring method is what netmap did.
IIUC netmap has a standard format for descriptors, so was slower: it still had to do all networking in kernel (it only bypasses part of the networking stack), and to have a thread to translate between software and hardware formats. > The problem with that is that it forces infrastructure into already > complex network driver. It never was accepted. There were also still > security issues like time of check/time of use with the ring. Right, because people do care about security. -- MST