netdev - Re: [net PATCH v3 1/2] net: ravb: Fix maximum TX frame size for GbEth devices

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Message-ID: <20240919072455.GC1044577@kernel.org>
Date: Thu, 19 Sep 2024 08:24:55 +0100
From: Simon Horman <horms@...nel.org>
To: Paul Barker <paul.barker.ct@...renesas.com>
Cc: Sergey Shtylyov <s.shtylyov@....ru>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Niklas Söderlund <niklas.soderlund+renesas@...natech.se>,
	Andrew Lunn <andrew@...n.ch>, Biju Das <biju.das.jz@...renesas.com>,
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
	Mitsuhiro Kimura <mitsuhiro.kimura.kc@...esas.com>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	netdev@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [net PATCH v3 1/2] net: ravb: Fix maximum TX frame size for
 GbEth devices

On Wed, Sep 18, 2024 at 09:18:38AM +0100, Paul Barker wrote:
> The datasheets for all SoCs using the GbEth IP specify a maximum
> transmission frame size of 1.5 kByte. I've confirmed through internal
> discussions that support for 1522 byte frames has been validated, which
> allows us to support the default MTU of 1500 bytes after reserving space
> for the Ethernet header, frame checksums and an optional VLAN tag.
> 
> Fixes: 2e95e08ac009 ("ravb: Add rx_max_buf_size to struct ravb_hw_info")
> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>
> Reviewed-by: Sergey Shtylyov <s.shtylyov@....ru>
> Signed-off-by: Paul Barker <paul.barker.ct@...renesas.com>

Reviewed-by: Simon Horman <horms@...nel.org>