netdev - Re: [PATCH] net: airoha_eth: increase max MTU to 9220 for DSA jumbo frame support the industry standard for jumbo frame MTU is 9216 bytes. When using DSA sub-system, an extra 4 byte tag is added to each frame. To allow users to set the standard 9216-byte MTU via ifconfig ,increase AIROHA_MAX

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Message-ID: <f35ba439-bb32-4c62-a057-29f45f95083e@redhat.com>
Date: Tue, 20 Jan 2026 11:08:39 +0100
From: Paolo Abeni <pabeni@...hat.com>
To: Sayantan Nandy <sayantann11@...il.com>, lorenzo@...nel.org
Cc: linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org,
 netdev@...r.kernel.org, sayantan.nandy@...oha.com, bread.hsu@...oha.com,
 kuldeep.malik@...oha.com, aniket.negi@...oha.com
Subject: Re: [PATCH] net: airoha_eth: increase max MTU to 9220 for DSA jumbo
 frame support the industry standard for jumbo frame MTU is 9216 bytes. When
 using DSA sub-system, an extra 4 byte tag is added to each frame. To allow
 users to set the standard 9216-byte MTU via ifconfig ,increase AIROHA_MAX_MTU
 to 9220 bytes (9216+4).

On 1/15/26 7:40 AM, Sayantan Nandy wrote:
> This change ensures compatibility with common network equipment and jumbo frame configurations.

It looks like that a significant amount of the description landed in the
subject, which is not good.

Please reformat the changelog carefully.

Also it looks like this is intended to address a bug; if so it should
target the 'net' tree and include a Fixes tag.

Thanks,

Paolo