netdev - Re: [PATCH net-next v2] fec: Staticize fec_enet_select

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Date:	Mon, 22 Sep 2014 16:16:56 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	fabio.estevam@...escale.com
Cc:	Frank.Li@...escale.com, netdev@...r.kernel.org
Subject: Re: [PATCH net-next v2] fec: Staticize fec_enet_select_queue()

From: Fabio Estevam <fabio.estevam@...escale.com>
Date: Fri, 19 Sep 2014 14:59:34 -0300

> fec_enet_select_queue() is only used locally, so mark it as 'static' to fix the
> following sparse warning:
> 
> drivers/net/ethernet/freescale/fec_main.c:2707:5: warning: symbol 'fec_enet_select_queue' was not declared. Should it be static?
> 
> Signed-off-by: Fabio Estevam <fabio.estevam@...escale.com>
> ---
> Changes since v1:
> - Make checkpatch happy

Please just delete this function.

It's overriding code which does exactly the same thing.

Actually, more precisely, this code is duplicating code in a way that
bypasses many core facilitites of the networking.  For example, this
override means that socket based flow steering, XPS, etc. are all
not happening on these devices.

Without ->ndo_select_queue(), the flow dissector does __netdev_pick_tx
which is exactly what you want to happen.
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