linux-kernel - Re: [PATCH v4 1/3] dsa: marvell: Provide per device information about max frame size

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: <Y7gdNlrKkfi2JvQk@lunn.ch>
Date:   Fri, 6 Jan 2023 14:08:06 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Lukasz Majewski <lukma@...x.de>
Cc:     Vladimir Oltean <olteanv@...il.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Paolo Abeni <pabeni@...hat.com>,
        Alexander Duyck <alexander.duyck@...il.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 1/3] dsa: marvell: Provide per device information
 about max frame size

On Fri, Jan 06, 2023 at 11:16:49AM +0100, Lukasz Majewski wrote:
> Different Marvell DSA switches support different size of max frame
> bytes to be sent. This value corresponds to the memory allocated
> in switch to store single frame.
> 
> For example mv88e6185 supports max 1632 bytes, which is now in-driver
> standard value. On the other hand - mv88e6250 supports 2048 bytes.
> To be more interresting - devices supporting jumbo frames - use yet
> another value (10240 bytes)
> 
> As this value is internal and may be different for each switch IC,
> new entry in struct mv88e6xxx_info has been added to store it.
> 
> This commit doesn't change the code functionality - it just provides
> the max frame size value explicitly - up till now it has been
> assigned depending on the callback provided by the IC driver
> (e.g. .set_max_frame_size, .port_set_jumbo_size).
> 
> Signed-off-by: Lukasz Majewski <lukma@...x.de>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

FYI: It is normal to include a patch 0/X for a patchset, which
explains the big picture of the patchset. Please try to remember this
for your next patchset.

    Andrew