netdev - Re: [PATCH v1 1/6] net: Generalize udp based tunnel offload

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Message-Id: <20151204.235036.1511254463749836388.davem@davemloft.net>
Date:	Fri, 04 Dec 2015 23:50:36 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	alexander.duyck@...il.com
Cc:	hannes@...essinduktion.org, tom@...bertland.com,
	linville@...driver.com, jesse@...nel.org, anjali.singhai@...el.com,
	netdev@...r.kernel.org, kiran.patil@...el.com
Subject: Re: [PATCH v1 1/6] net: Generalize udp based tunnel offload

From: Alexander Duyck <alexander.duyck@...il.com>
Date: Fri, 4 Dec 2015 14:44:00 -0800

> I actually tried to push the generic checksum idea for fm10k back
> during hardware development but ended up losing that battle.

This chips already have a circuit calculating the 1's complement sum
over the data as is passed through the FIFO in the RTL, it's merely a
matter of putting the result it in the descriptor.

Relatively speaking, the feature would be almost free.
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