On Fri, 17 Mar 2023 20:38:49 -0700 Richard Cochran wrote: > On Fri, Mar 17, 2023 at 05:21:50PM +0200, Vladimir Oltean wrote: > > On Thu, Mar 16, 2023 at 04:09:20PM +0100, Köry Maincent wrote: > > > Was there any useful work that could be continued on managing timestamp through > > > NDOs. As it seem we will made some change to the timestamp API, maybe it is a > > > good time to also take care of this. > > > > Not to my knowledge. Yes, I agree that it would be a good time to add an > > NDO for hwtimestamping (while keeping the ioctl fallback), then > > transitioning as many devices as we can, and removing the fallback when > > the transition is complete. > > Um, user space ABI cannot be removed. NDO meaning a dedicated callback in struct net_device_ops, so at least for netdevs we can copy the data from user space, validate in the core and then call the driver with a normal kernel pointer. So just an internal refactoring, no uAPI changes.
