netdev - Re: [PATCH AUTOSEL 5.17 10/12] net: ftgmac100: Disable hardware checksum on AST2600

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: <CAK8P3a2EZKnLB5c9YuKbaug16tG7juidmQ+g-wLNHx_-zxTD5A@mail.gmail.com>
Date:   Tue, 24 May 2022 20:47:51 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Sasha Levin <sashal@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "# 3.4.x" <stable@...r.kernel.org>, Joel Stanley <joel@....id.au>,
        David Wilder <wilder@...ibm.com>,
        Dylan Hung <dylan_hung@...eedtech.com>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, guoheyi@...ux.alibaba.com,
        chenhao288@...ilicon.com, Networking <netdev@...r.kernel.org>
Subject: Re: [PATCH AUTOSEL 5.17 10/12] net: ftgmac100: Disable hardware
 checksum on AST2600

On Tue, May 24, 2022 at 8:47 PM Arnd Bergmann <arnd@...db.de> wrote:
>
> On Tue, May 24, 2022 at 5:59 PM Sasha Levin <sashal@...nel.org> wrote:
> >
> >  # ip link set mtu 1410 dev eth0
> >
> > The observed results:
> >
> >  1500 - good
> >  1434 - bad
> >  1400 - good
> >  1410 - bad
> >  1420 - good
>
> Does it require multiples of four? Maybe it just skips the last bytes?

Nevermind, I missed that this was a backport of a merged patch, rather
than a new one.

       Arnd