netdev - Re: [net-next PATCH 06/11] net: ravb: Disable IP header TX checksum offloading

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Message-ID: <48afbbe9-36bc-4479-a576-379a4f9f05b0@omp.ru>
Date: Mon, 30 Sep 2024 22:23:24 +0300
From: Sergey Shtylyov <s.shtylyov@....ru>
To: Paul Barker <paul@...rker.dev>, "David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo
 Abeni <pabeni@...hat.com>
CC: Paul Barker <paul.barker.ct@...renesas.com>, Geert Uytterhoeven
	<geert+renesas@...der.be>, Niklas Söderlund
	<niklas.soderlund+renesas@...natech.se>, Biju Das
	<biju.das.jz@...renesas.com>, Claudiu Beznea
	<claudiu.beznea.uj@...renesas.com>, <netdev@...r.kernel.org>,
	<linux-renesas-soc@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [net-next PATCH 06/11] net: ravb: Disable IP header TX checksum
 offloading

On 9/30/24 19:08, Paul Barker wrote:

> From: Paul Barker <paul.barker.ct@...renesas.com>
> 
> For IPv4 packets, the header checksum will always be calculated in software
> in the TX path (Documentation/networking/checksum-offloads.rst says "No
> offloading of the IP header checksum is performed; it is always done in
> software.") so there is no advantage in asking the hardware to also
> calculate this checksum.
> 
> Signed-off-by: Paul Barker <paul.barker.ct@...renesas.com>

Reviewed-by: Sergey Shtylyov <s.shtylyov@....ru>

[...]

MBR, Sergey