On 6/21/2022 6:25 PM, Kubalewski, Arkadiusz wrote:
-----Original Message-----
From: Aya Levin <a...@nvidia.com>
Sent: Sunday, June 19, 2022 6:35 PM
Hi,
Please elaborate regarding kernel API. I understood from the submission
that you plan to start off with some vendor specific sysfs declared in
the config file.
But I believe this is not the final goal, correct?
Do you have kernel patches for review?
Thanks,
Aya
Hi,
SyncE standard needs two abilities from the Network Interface Card:
- check the status of frequency loop, if it is locked/holdover/etc
- select one of the PHY ports as a signal source.
What about set status - when SyncE state machine needs to move to holdover?
Currently in sync4l both of those abilities are provided in form of shell
commands, so it can be used with any user-space tool.
For the future, the plan is to have generic netlink based interface/subsystem
in the kernel. Designed for all devices capable of syntonizing its clock to an
external source (I am working on it right now), probably also equipped with
generic sysfs for manual control.
Thank you,
Arkadiusz
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