>From: Intel-wired-lan <intel-wired-lan-boun...@osuosl.org> On Behalf Of >Vadim Fedorenko >Sent: Tuesday, October 29, 2024 5:17 PM > >On 29/10/2024 15:56, Kubalewski, Arkadiusz wrote: >>> From: Vadim Fedorenko <vadim.fedore...@linux.dev> >>> Sent: Tuesday, October 29, 2024 12:30 PM >>> >>> On 28/10/2024 20:47, Arkadiusz Kubalewski wrote: >>>> HW support of PTP/timesync solutions in network PHY chips can be >>>> achieved with two different approaches, the timestamp maybe latched >>>> either in the beginning or after the Start of Frame Delimiter (SFD) >>>>[1]. >>>> >>>> Allow ptp device drivers to provide user with control over the >>>> timestamp latch point. >>>> >>>> [1] https://www.ieee802.org/3/cx/public/april20/tse_3cx_01_0420.pdf >>> >>> I just wonder should we add ethtool interface to control this feature. >>> As we are adding it for phy devices, it's good idea to have a way to >>> control it through eth device too. WDYT? >> >> Seems doable, I guess somehow expand the controllability being added >> right now with this series: >> https://lore.kernel.org/netdev/20241023-feature_ptp_netnext-v18-0-ed94 >> 8f3b6...@bootlin.com/#r >> Or some other idea? > >Yeah, the series mentioned correlates with your work, that's why I asked >about it. >It would be great to be sure that the interface you are proposing can be >reused or somehow combined with the series.
Sure, I did some modifications to allow this extension in the future, as this is still being developed. Thank you! Arkadiusz
