netdev - Re: [RFC v2 net-next 1/2] rtnetlink: Add new RTM_GETSYNCESTATE message to get SyncE status

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Date:   Tue, 31 Aug 2021 19:56:58 -0700
From:   Richard Cochran <richardcochran@...il.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     "Machnikowski, Maciej" <maciej.machnikowski@...el.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>,
        "abyagowi@...com" <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>,
        "bsd@...com" <bsd@...com>,
        Jonathan Lemon <jonathan.lemon@...il.com>
Subject: Re: [RFC v2 net-next 1/2] rtnetlink: Add new RTM_GETSYNCESTATE
 message to get SyncE status

On Tue, Aug 31, 2021 at 07:02:35PM -0700, Jakub Kicinski wrote:
> On Tue, 31 Aug 2021 22:09:18 +0000 Machnikowski, Maciej wrote:
> > OK I can strip down the RTNL EEC state interface to only report 
> > the state without any extras, like pin. Next step would be to add 
> > the control over recovered clock also to the netdev subsystem.
> > 
> > The EEC state read is needed for recovered/source clock validation
> > and that's why I think it belongs to the RTNL part as it gates the QL
> > for each port.
> 
> If you mean just reporting state and have a syncE on/off without any
> option for other sources that's fine by me.

Yeah, that is what I also imagined for a generic SyncE interface.

Thanks,
Richard