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Date: Wed, 19 Jan 2022 22:33:08 +0000 From: "Kubalewski, Arkadiusz" <arkadiusz.kubalewski@...el.com> To: Vadim Fedorenko <vfedorenko@...ek.ru>, "Machnikowski, Maciej" <maciej.machnikowski@...el.com>, Jakub Kicinski <kuba@...nel.org> CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>, "richardcochran@...il.com" <richardcochran@...il.com>, "Byagowi, Ahmad" <abyagowi@...com>, "Nguyen, Anthony L" <anthony.l.nguyen@...el.com>, "davem@...emloft.net" <davem@...emloft.net>, "linux-kselftest@...r.kernel.org" <linux-kselftest@...r.kernel.org>, "idosch@...sch.org" <idosch@...sch.org>, "mkubecek@...e.cz" <mkubecek@...e.cz>, "saeed@...nel.org" <saeed@...nel.org>, "michael.chan@...adcom.com" <michael.chan@...adcom.com>, "petrm@...dia.com" <petrm@...dia.com> Subject: RE: [PATCH v5 net-next 0/4] Add ethtool interface for RClocks >>On 15.12.2021 12:14, Kubalewski, Arkadiusz wrote: >>>> -----Original Message----- >>>> From: Machnikowski, Maciej <maciej.machnikowski@...el.com> >>>> Sent: poniedziaĆek, 13 grudnia 2021 09:54 >>>> To: Jakub Kicinski <kuba@...nel.org> >>>> Cc: netdev@...r.kernel.org; intel-wired-lan@...ts.osuosl.org; >>>> Kubalewski, Arkadiusz <arkadiusz.kubalewski@...el.com>; >>>> richardcochran@...il.com; Byagowi, Ahmad <abyagowi@...com>; Nguyen, >>>> Anthony L <anthony.l.nguyen@...el.com>; davem@...emloft.net; >>>> linux-kselftest@...r.kernel.org; idosch@...sch.org; >>>> mkubecek@...e.cz; saeed@...nel.org; michael.chan@...adcom.com; >>>> petrm@...dia.com; Vadim Fedorenko <vfedorenko@...ek.ru> >>>> Subject: RE: [PATCH v5 net-next 0/4] Add ethtool interface for >>>> RClocks >>>> >>>>> -----Original Message----- >>>>> From: Jakub Kicinski <kuba@...nel.org> >>>>> Sent: Friday, December 10, 2021 5:17 PM >>>>> To: Machnikowski, Maciej <maciej.machnikowski@...el.com> >>>>> Cc: netdev@...r.kernel.org; intel-wired-lan@...ts.osuosl.org; >>>>> Kubalewski, Arkadiusz <arkadiusz.kubalewski@...el.com>; >>>>> richardcochran@...il.com; Byagowi, Ahmad <abyagowi@...com>; Nguyen, >>>>> Anthony L <anthony.l.nguyen@...el.com>; davem@...emloft.net; linux- >>>>> kselftest@...r.kernel.org; idosch@...sch.org; mkubecek@...e.cz; >>>>> saeed@...nel.org; michael.chan@...adcom.com; petrm@...dia.com; >>>>> Vadim Fedorenko <vfedorenko@...ek.ru> >>>>> Subject: Re: [PATCH v5 net-next 0/4] Add ethtool interface for >>>>> RClocks >>>>> >>>>> On Fri, 10 Dec 2021 14:45:46 +0100 Maciej Machnikowski wrote: >>>>>> Synchronous Ethernet networks use a physical layer clock to >>>>>> syntonize the frequency across different network elements. >>>>>> >>>>>> Basic SyncE node defined in the ITU-T G.8264 consist of an >>>>>> Ethernet Equipment Clock (EEC) and have the ability to synchronize >>>>>> to reference frequency sources. >>>>>> >>>>>> This patch series is a prerequisite for EEC object and adds >>>>>> ability to enable recovered clocks in the physical layer of the netdev object. >>>>>> Recovered clocks can be used as one of the reference signal by the EEC. >>>>>> >>>>>> Further work is required to add the DPLL subsystem, link it to the >>>>>> netdev object and create API to read the EEC DPLL state. >>>>> >>>>> You missed CCing Vadim. I guess Ccing the right people may be right >>>>> up there with naming things as the hardest things in SW development.. >>>>> >>>>> Anyway, Vadim - do you have an ETA on the first chunk of the PLL work? >>>> >>>> Sounds about right :) thanks for adding Vadim! >>>> >>> >>> Good day Vadim, >>> >>> Can we help on the new PLL interfaces? >>> I can start some works related to that, although would need a >>> guidance from the expert. >>> Where to place it? >>> What in-kernel interfaces to use? >>> Any other high level tips that could be useful? >>> Or if you already started some work, could you please share some >>> information? >>> >>Hi! >> >>I'm going to publish RFC till the end of the week and we will be able >>to continue discussion via this mailing list. I think that netlink is a >>good option for in-kernel interface and is easy to implement. >> > >Oh, that sounds great! >Thank you! > Good day Vadim, Hope you are well! I have been trying to find a new RFC on mailing list, but could not find it. I guess, it was not submitted yet? Could you please share your current schedule for this task? Or maybe we could help somehow?
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