On Wed, Jul 29, 2020 at 11:07:48PM +0100, Russell King - ARM Linux admin wrote: > What I see elsewhere in ethtool is that the MAC has the ability to > override the phylib provided functionality - for example, > __ethtool_get_sset_count(), __ethtool_get_strings(), and > ethtool_get_phy_stats(). Would it be possible to do the same in > __ethtool_get_ts_info(), so at least a MAC driver can then decide > whether to propagate the ethtool request to phylib or not, just like > it can do with the SIOC*HWTSTAMP ioctls? Essentially, reversing the > order of: > > if (phy_has_tsinfo(phydev)) > return phy_ts_info(phydev, info); > if (ops->get_ts_info) > return ops->get_ts_info(dev, info); > > ?
I don't see a simple solution. I think no matter what, the MAC drivers need work to allow PHY time stamping, and the great majority of users and driver authors are happy with MAC time stamping. Thanks, Richard
