netdev - Re: [PATCH] ptp: Demultiplexed timestamp channels

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Date: Tue, 29 Aug 2023 07:15:01 -0700
From: Richard Cochran <richardcochran@...il.com>
To: Xabier Marquiegui <reibax@...il.com>
Cc: chrony-dev@...ony.tuxfamily.org, mlichvar@...hat.com,
	netdev@...r.kernel.org, ntp-lists@...tcorallo.com
Subject: Re: [PATCH] ptp: Demultiplexed timestamp channels

On Tue, Aug 29, 2023 at 07:07:57AM -0700, Richard Cochran wrote:

> > The operation can be controlled via sysfs. See file
> > Documentation/ABI/testing/sysfs-ptp for more details.
> 
> No need for new sysfs hooks.

Just add a ioctl that adds a filter to an open file.
The filter can be a simple bit mask of say, 1024 bits.

Thanks,
Richard