netdev - Re: [PATCH RFC] net/macb: Fix UDPv4 checksum offload

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Date:	Wed, 29 Apr 2015 12:03:08 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	gnomes@...rguk.ukuu.org.uk
Cc:	jaeden.amero@...com, nicolas.ferre@...el.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	jeff.westfahl@...com, mihai.neagu@...com
Subject: Re: [PATCH RFC] net/macb: Fix UDPv4 checksum offload

From: One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
Date: Wed, 29 Apr 2015 11:15:21 +0100

>> Unfortunately, the Cadence MACB doesn't support the enabling or
>> disabling of checksum generation per descriptor.
> 
> So how does packet forwarding work ?

Yeah actually rechecksumming in that scenerio is illegal.

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