netdev - Re: [PATCH v8 net-next 4/5] net: ena: PHC stats through sysfs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20250306071511.GP1955273@unreal>
Date: Thu, 6 Mar 2025 09:15:11 +0200
From: Leon Romanovsky <leon@...nel.org>
To: Jakub Kicinski <kuba@...nel.org>
Cc: Andrew Lunn <andrew@...n.ch>, David Arinzon <darinzon@...zon.com>,
	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
	Simon Horman <horms@...nel.org>,
	Richard Cochran <richardcochran@...il.com>,
	"Woodhouse, David" <dwmw@...zon.com>,
	"Machulsky, Zorik" <zorik@...zon.com>,
	"Matushevsky, Alexander" <matua@...zon.com>,
	Saeed Bshara <saeedb@...zon.com>, "Wilson, Matt" <msw@...zon.com>,
	"Liguori, Anthony" <aliguori@...zon.com>,
	"Bshara, Nafea" <nafea@...zon.com>,
	"Schmeilin, Evgeny" <evgenys@...zon.com>,
	"Belgazal, Netanel" <netanel@...zon.com>,
	"Saidi, Ali" <alisaidi@...zon.com>,
	"Herrenschmidt, Benjamin" <benh@...zon.com>,
	"Kiyanovski, Arthur" <akiyano@...zon.com>,
	"Dagan, Noam" <ndagan@...zon.com>,
	"Bernstein, Amit" <amitbern@...zon.com>,
	"Agroskin, Shay" <shayagr@...zon.com>,
	"Ostrovsky, Evgeny" <evostrov@...zon.com>,
	"Tabachnik, Ofir" <ofirt@...zon.com>,
	"Machnikowski, Maciek" <maciek@...hnikowski.net>,
	Rahul Rameshbabu <rrameshbabu@...dia.com>,
	Gal Pressman <gal@...dia.com>,
	Vadim Fedorenko <vadim.fedorenko@...ux.dev>
Subject: Re: [PATCH v8 net-next 4/5] net: ena: PHC stats through sysfs

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

>