From: Leon Romanovsky <leon@kernel.org>
To: Jakub Kicinski <kuba@kernel.org>
Cc: Andrew Lunn <andrew@lunn.ch>, David Arinzon <darinzon@amazon.com>,
David Miller <davem@davemloft.net>,
netdev@vger.kernel.org, Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
Richard Cochran <richardcochran@gmail.com>,
"Woodhouse, David" <dwmw@amazon.com>,
"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>,
"Agroskin, Shay" <shayagr@amazon.com>,
"Ostrovsky, Evgeny" <evostrov@amazon.com>,
"Tabachnik, Ofir" <ofirt@amazon.com>,
"Machnikowski, Maciek" <maciek@machnikowski.net>,
Rahul Rameshbabu <rrameshbabu@nvidia.com>,
Gal Pressman <gal@nvidia.com>,
Vadim Fedorenko <vadim.fedorenko@linux.dev>
Subject: Re: [PATCH v8 net-next 4/5] net: ena: PHC stats through sysfs
Date: Thu, 6 Mar 2025 09:15:11 +0200 [thread overview]
Message-ID: <20250306071511.GP1955273@unreal> (raw)
In-Reply-To: <20250305183637.2e0f6a9f@kernel.org>
On Wed, Mar 05, 2025 at 06:36:37PM -0800, Jakub Kicinski wrote:
> On Wed, 5 Mar 2025 16:33:10 +0100 Andrew Lunn wrote:
> > > I asked them to do this.
> > > They are using a PTP device as a pure clock. The netdev doesn't support
> > > any HW timestamping, so none of the stats are related to packets.
> >
> > So how intertwined is the PHC with the network device? Can it be
> > separated into a different driver? Moved into drivers/ptp?
> >
> > We have already been asked if this means network drivers can be
> > configured via sysfs. Clearly we don't want that, so we want to get
> > this code out of drivers/net if possible.
>
> Is it good enough to move the relevant code to a ptp/ or phc/ dir
> under ...thernet/amazon/ena/ ? Moving it to ptp/ proper would require
> some weird abstractions, not sure if it's warranted?
In normal world, where linux kernel driver model is respected, one will write
separate driver for PTP and place it under drivers/ptp. This current series
doesn't belong to netdev at all.
Thanks
>
next prev parent reply other threads:[~2025-03-06 7:15 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-04 19:04 [PATCH v8 net-next 0/5] PHC support in ENA driver David Arinzon
2025-03-04 19:05 ` [PATCH v8 net-next 1/5] net: ena: Add PHC support in the " David Arinzon
2025-03-04 19:05 ` [PATCH v8 net-next 2/5] net: ena: PHC silent reset David Arinzon
2025-03-04 19:05 ` [PATCH v8 net-next 3/5] net: ena: PHC enable through sysfs David Arinzon
2025-03-04 19:05 ` [PATCH v8 net-next 4/5] net: ena: PHC stats " David Arinzon
2025-03-04 21:07 ` Andrew Lunn
2025-03-04 22:58 ` Jakub Kicinski
2025-03-05 15:33 ` Andrew Lunn
2025-03-06 2:36 ` Jakub Kicinski
2025-03-06 7:15 ` Leon Romanovsky [this message]
2025-03-06 15:40 ` Andrew Lunn
2025-03-06 17:31 ` Leon Romanovsky
2025-03-26 15:39 ` Arinzon, David
2025-03-04 19:05 ` [PATCH v8 net-next 5/5] net: ena: Add PHC documentation David Arinzon
2025-03-04 21:10 ` Andrew Lunn
2025-03-05 12:50 ` Arinzon, David
2025-03-05 12:59 ` [EXTERNAL] " David Woodhouse
2025-03-05 15:35 ` Andrew Lunn
2025-03-05 17:52 ` Leon Romanovsky
2025-03-26 15:32 ` Arinzon, David
2025-03-27 11:15 ` Leon Romanovsky
2025-03-27 12:01 ` David Woodhouse
2025-04-01 8:02 ` David Woodhouse
2025-04-01 8:46 ` David Woodhouse
2025-04-02 16:23 ` Jakub Kicinski
2025-04-02 19:38 ` Leon Romanovsky
2025-04-07 7:01 ` Arinzon, David
2025-04-07 14:02 ` Andrew Lunn
2025-04-07 16:27 ` Jakub Kicinski
2025-04-08 14:47 ` Richard Cochran
2025-04-08 15:24 ` Jakub Kicinski
2025-04-10 4:07 ` Richard Cochran
2025-04-10 16:01 ` Jakub Kicinski
2025-03-04 23:00 ` [PATCH v8 net-next 0/5] PHC support in ENA driver Jakub Kicinski
2025-03-05 6:34 ` Arinzon, David
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