From: Heiner Kallweit <hkallweit1@gmail.com>
To: Rui Salvaterra <rsalvaterra@gmail.com>, nic_swsd@realtek.com
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH] r8169: add support for 16K jumbo frames on RTL8125B
Date: Fri, 28 Feb 2025 21:23:33 +0100 [thread overview]
Message-ID: <ebe829ef-342a-4986-975a-62194a793697@gmail.com> (raw)
In-Reply-To: <20250228173505.3636-1-rsalvaterra@gmail.com>
On 28.02.2025 18:30, Rui Salvaterra wrote:
> It's supported, according to the specifications.
>
> Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
> ---
>
> It's very likely that other RTL8125x devices also support 16K jumbo frames, but
> I only have RTL8125B ones to test with. Additionally, I've only tested up to 12K
> (my switch's limit).
>
This has been proposed and discussed before. Decision was to not increase
the max jumbo packet size, as vendor drivers r8125/r8126 also support max 9k.
And in general it's not clear whether you would gain anything from jumbo packets,
because hw TSO and c'summing aren't supported for jumbo packets.
next prev parent reply other threads:[~2025-02-28 20:22 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-28 17:30 [PATCH] r8169: add support for 16K jumbo frames on RTL8125B Rui Salvaterra
2025-02-28 20:23 ` Heiner Kallweit [this message]
2025-03-01 11:45 ` Rui Salvaterra
2025-03-01 14:14 ` Heiner Kallweit
2025-03-01 19:46 ` Rui Salvaterra
2025-03-06 1:59 ` Jakub Kicinski
2025-03-07 7:09 ` Heiner Kallweit
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