netdev - Re: [PATCH][net-next] gianfar: Add backwards compatible Single Queue mode polling

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Date:	Mon, 10 Jun 2013 19:35:38 +0200
From:	Michael Guntsche <michael.guntsche@...loops.com>
To:	Claudiu Manoil <claudiu.manoil@...escale.com>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH][net-next] gianfar: Add backwards compatible Single Queue
 mode polling

Hello Claudiu,

On Mon, Jun 10, 2013 at 7:19 PM, Claudiu Manoil
<claudiu.manoil@...escale.com> wrote:
> Older Single Queue (SQ_SG_MODE) devices like TSEC (i.e. mpc83xx)
> don't feature the frame receive indication bits (RXF) in RSTAT.
> For these and for the rest of the SQ_SG_MODE devices, provide the
> appropiate polling routine that handles a single pair of Rx/Tx
> BD rings, removing the overhead incurred by the multiple queues/
> multiple interrupt group devices (veTSEC/ eTSEC2.0 devices).
> So this is primarily a fix for the TSEC devices.
>
> Signed-off-by: Claudiu Manoil <claudiu.manoil@...escale.com>
> ---
>  drivers/net/ethernet/freescale/gianfar.c | 51 ++++++++++++++++++++++++++++++--
>  1 file changed, 49 insertions(+), 2 deletions(-)
>
<snip>
I can confirm that this fixes the problem for my TSEC based board.

/Mike
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