linux-kernel - Re: [PATCH net 2/2] net: ethtool: netlink: Pass a context for default ethnl notifications

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

Message-ID: <20250301105352.2951af4c@fedora.home>
Date: Sat, 1 Mar 2025 10:53:52 +0100
From: Maxime Chevallier <maxime.chevallier@...tlin.com>
To: Jakub Kicinski <kuba@...nel.org>
Cc: davem@...emloft.net, Andrew Lunn <andrew@...n.ch>, Eric Dumazet
 <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Heiner Kallweit
 <hkallweit1@...il.com>, Parthiban Veerasooran
 <parthiban.veerasooran@...rochip.com>, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, thomas.petazzoni@...tlin.com,
 linux-arm-kernel@...ts.infradead.org, Christophe Leroy
 <christophe.leroy@...roup.eu>, Herve Codina <herve.codina@...tlin.com>,
 Florian Fainelli <f.fainelli@...il.com>, Vladimir Oltean
 <vladimir.oltean@....com>, Köry Maincent
 <kory.maincent@...tlin.com>, Oleksij Rempel <o.rempel@...gutronix.de>,
 Simon Horman <horms@...nel.org>, Romain Gantois
 <romain.gantois@...tlin.com>, Piergiorgio Beruto
 <piergiorgio.beruto@...il.com>
Subject: Re: [PATCH net 2/2] net: ethtool: netlink: Pass a context for
 default ethnl notifications

On Fri, 28 Feb 2025 18:24:40 -0800
Jakub Kicinski <kuba@...nel.org> wrote:

> On Thu, 27 Feb 2025 19:24:52 +0100 Maxime Chevallier wrote:
> > The only relevant user for now is PLCA, and it very likely that we never
> > ended-up in a situation where the follow-up notif wasn't targeting the
> > correct PHY as :  
> 
> PLCA uses the ethnl_default_* handlers but it seems to operate on PHYs
> now. How does the dump work? Shoehorning the PHY support into
> the ethnl_default_* handlers is starting to look pretty messy.

I agree, that's the less ugly quick solution I could think of :(

So maybe we need some generic PHY dump support for all PHY commands ?

I should probably re-send patch 1 only to fix the crash, and rework the
dump/notify for PHY commands separately if this is OK for you ?

Maxime