Re: Regarding tx-nocache-copy in the Sheevaplug

From: Eric Dumazet
Date: Mon Oct 13 2014 - 08:26:19 EST

On Mon, 2014-10-13 at 12:52 +0200, LluÃs Batlle i Rossell wrote:
> Hello,
> on the 7th of January 2014 ths patch was applied:
> [PATCH v2] net: Do not enable tx-nocache-copy by default
> In the Sheevaplug (ARM Feroceon 88FR131 from Marvell) this made packets to be
> sent corrupted. I think this machine has something special about the cache.
> Enabling back this tx-nocache-copy (as it used to be before the patch) the
> transfers work fine again. I think that most people, encountering this problem,
> completely disable the tx offload instead of enabling back this setting.
> Is this an ARM kernel problem regarding this platform?

Which NIC and driver is this exactly ?

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