On Tue, Sep 21, 2021 at 02:14:45PM -0700, Jakub Kicinski wrote: > On Tue, 21 Sep 2021 17:58:05 +0300 Ido Schimmel wrote: > > > > The only source type above is 'port' with the ability to set the > > > > relevant port, but more can be added. Obviously, 'devlink clock show' > > > > will give you the current source in addition to other information such > > > > as frequency difference with respect to the input frequency. > > > > > > We considered devlink interface for configuring the clock/DPLL, but a > > > new concept was born at the list to add a DPLL subsystem that will > > > cover more use cases, like a TimeCard. > > > > The reason I suggested devlink is that it is suited for device-wide > > configuration and it is already used by both MAC drivers and the > > TimeCard driver. If we have a good reason to create a new generic > > netlink family for this stuff, then OK. > > For NICs mapping between devlink instances and HW is not clear. > Most register devlink per PCI dev which usually maps to a Eth port. > So if we have one DPLL on a 2 port NIC mapping will get icky, no? Yes, having to represent the same EEC in multiple devlink instances is not nice. > > Is the motivation to save the boilerplate code associated with new > genetlink family or something more? I don't mind either way. I simply wanted to understand the motivation for not using any existing framework. The above argument is convincing enough, IMO.
