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From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH v1 1/6] net: Generalize udp based tunnel offload
Date: Fri, 04 Dec 2015 23:50:36 -0500 (EST)
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From: Alexander Duyck <alexander.duyck@gmail.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.