All of lore.kernel.org
 help / color / mirror / Atom feed
From: Richard Cochran <richardcochran@gmail.com>
To: David Arinzon <darinzon@amazon.com>
Cc: David Miller <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Eric Dumazet <edumazet@google.com>,
	Paolo Abeni <pabeni@redhat.com>,
	"Woodhouse, David" <dwmw@amazon.com>,
	Andrew Lunn <andrew@lunn.ch>,
	Miroslav Lichvar <mlichvar@redhat.com>,
	David Woodhouse <dwmw2@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	netdev@vger.kernel.org, "Machulsky, Zorik" <zorik@amazon.com>,
	"Matushevsky, Alexander" <matua@amazon.com>,
	Saeed Bshara <saeedb@amazon.com>, "Wilson, Matt" <msw@amazon.com>,
	"Liguori, Anthony" <aliguori@amazon.com>,
	"Bshara, Nafea" <nafea@amazon.com>,
	"Schmeilin, Evgeny" <evgenys@amazon.com>,
	"Belgazal, Netanel" <netanel@amazon.com>,
	"Saidi, Ali" <alisaidi@amazon.com>,
	"Herrenschmidt, Benjamin" <benh@amazon.com>,
	"Kiyanovski, Arthur" <akiyano@amazon.com>,
	"Dagan, Noam" <ndagan@amazon.com>,
	"Bernstein, Amit" <amitbern@amazon.com>,
	"Ostrovsky, Evgeny" <evostrov@amazon.com>,
	"Tabachnik, Ofir" <ofirt@amazon.com>,
	Julien Ridoux <ridouxj@amazon.com>,
	Josh Levinson <joshlev@amazon.com>
Subject: Re: [RFC PATCH net-next] ptp: Introduce PTP_SYS_OFFSET_EXTENDED_TRUSTED ioctl
Date: Thu, 24 Jul 2025 21:09:23 -0700	[thread overview]
Message-ID: <aIMDc8JC4prOmpLQ@hoboy.vegasvil.org> (raw)
In-Reply-To: <20250724115657.150-1-darinzon@amazon.com>

On Thu, Jul 24, 2025 at 02:56:56PM +0300, David Arinzon wrote:

> The first objective focuses on the use case where the PHC device
> is fully managed. The ENA driver, for example, exposes a PHC
> device, whose synchronization status and quality is maintained
> without any user-space application. This new ioctl reports on the
> clock accuracy and status of the PHC device to user-space
> applications, where ptp4l and similar are not available.

This seems pretty rare.  I can't think of any other hardware that
makes claims about synchronization quality.

So this ioctl would be just for one device.

Thanks,
Richard

  parent reply	other threads:[~2025-07-25  4:09 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-24 11:56 [RFC PATCH net-next] ptp: Introduce PTP_SYS_OFFSET_EXTENDED_TRUSTED ioctl David Arinzon
2025-07-24 14:08 ` David Woodhouse
2025-07-25  4:09 ` Richard Cochran [this message]
2025-07-25  9:25   ` David Woodhouse
2025-07-29  3:55     ` Richard Cochran
2025-08-03 23:42       ` julien
2025-08-08 12:10       ` Maciek Machnikowski
2025-07-28 14:26 ` Miroslav Lichvar
2025-08-03 23:51   ` Julien Ridoux
2025-08-04  9:07     ` David Woodhouse
  -- strict thread matches above, loose matches on Subject: below --
2025-07-29  2:29 Ridoux, Julien

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=aIMDc8JC4prOmpLQ@hoboy.vegasvil.org \
    --to=richardcochran@gmail.com \
    --cc=akiyano@amazon.com \
    --cc=aliguori@amazon.com \
    --cc=alisaidi@amazon.com \
    --cc=amitbern@amazon.com \
    --cc=andrew@lunn.ch \
    --cc=benh@amazon.com \
    --cc=darinzon@amazon.com \
    --cc=davem@davemloft.net \
    --cc=dwmw2@infradead.org \
    --cc=dwmw@amazon.com \
    --cc=edumazet@google.com \
    --cc=evgenys@amazon.com \
    --cc=evostrov@amazon.com \
    --cc=joshlev@amazon.com \
    --cc=kuba@kernel.org \
    --cc=matua@amazon.com \
    --cc=mlichvar@redhat.com \
    --cc=msw@amazon.com \
    --cc=nafea@amazon.com \
    --cc=ndagan@amazon.com \
    --cc=netanel@amazon.com \
    --cc=netdev@vger.kernel.org \
    --cc=ofirt@amazon.com \
    --cc=pabeni@redhat.com \
    --cc=ridouxj@amazon.com \
    --cc=saeedb@amazon.com \
    --cc=tglx@linutronix.de \
    --cc=zorik@amazon.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.