netdev - Re: [PATCHv2 net-net] net: dsa: mv88e6xxx: Work around mv886e6161 SERDES missing MII

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: <20181115.113023.1935327120472566253.davem@davemloft.net>
Date:   Thu, 15 Nov 2018 11:30:23 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     andrew@...n.ch
Cc:     netdev@...r.kernel.org, sergei.shtylyov@...entembedded.com
Subject: Re: [PATCHv2 net-net] net: dsa: mv88e6xxx: Work around mv886e6161
 SERDES missing MII_PHYSID2

From: Andrew Lunn <andrew@...n.ch>
Date: Mon, 12 Nov 2018 18:51:01 +0100

> We already have a workaround for a couple of switches whose internal
> PHYs only have the Marvel OUI, but no model number. We detect such
> PHYs and give them the 6390 ID as the model number. However the
> mv88e6161 has two SERDES interfaces in the same address range as its
> internal PHYs. These suffer from the same problem, the Marvell OUI,
> but no model number. As a result, these SERDES interfaces were getting
> the same PHY ID as the mv88e6390, even though they are not PHYs, and
> the Marvell PHY driver was trying to drive them.
> 
> Add a special case to stop this from happen.
> 
> Reported-by: Chris Healy <Chris.Healy@....aero>
> Signed-off-by: Andrew Lunn <andrew@...n.ch>

Applied to net-next.