netdev - Re: [PATCH 0/3] pch_gbe: fix CRC errors and improve speed

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Message-Id: <20121023.023147.1311051232873090162.davem@davemloft.net>
Date:	Tue, 23 Oct 2012 02:31:47 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	vfalico@...hat.com
Cc:	netdev@...r.kernel.org, richardcochran@...il.com,
	tshimizu818@...il.com, andy.cress@...kontron.com,
	erwan.velu@...iacaerospace.com, agospoda@...hat.com
Subject: Re: [PATCH 0/3] pch_gbe: fix CRC errors and improve speed

From: Veaceslav Falico <vfalico@...hat.com>
Date: Mon, 22 Oct 2012 16:43:22 +0200

> This patch series tries to get rid of CRC errors and other instability
> caused by wrong RX_FIFO overrun processing. It also cleans the code a bit.
> 
> Now (without the patch applied) on high number of incoming packets and/or
> stressed system pch_gbe driver reports CRC errors and huge numbers of
> RX_FIFO_ERR (overruns). It also sometimes just freezes (caused by not
> waiting enough on DMA_RX to stop before issuing a reset on MAC_RX logic).
> 
> This patchset removes the unneeded (as per datasheet) MAC_RX reset and
> corrects the processing of RX_FIFO_ERR in pch_gbe_napi_poll().
> 
> With the patchset applied there are no more CRC errors, sane number of
> RX_FIFO_ERR and improved speed/stability. The patchset was tested on
> Informix SYS940X and Kontron Tunnel Creek EG20T on 1gbps direct-connected
> link and different rx/tx descriptors count.

All applied to 'net', thanks.
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