netdev - Re: [PATCH v1 net] net: dsa: mv88x6xxx: mv88e6390 errata

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]

Date:   Wed, 9 Jan 2019 19:55:55 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Maxim Uvarov <muvarov@...il.com>
Cc:     David Miller <davem@...emloft.net>,
        netdev <netdev@...r.kernel.org>,
        Vivien Didelot <vivien.didelot@...il.com>
Subject: Re: [PATCH v1 net] net: dsa: mv88x6xxx: mv88e6390 errata

On Wed, Jan 09, 2019 at 09:43:52PM +0300, Maxim Uvarov wrote:
> Is this errata documented somewhere? What happends without that magic
> wirtes? Software reset doen't clear registers into initial state?

Hi Max

Marvell have documentation for it. From what i understand, if the PHY
establishes link when there are already frames going out the port, the
port might block the frames.

My testing has shown that a software reset does not clear these
registers.

	Andrew