linux-kernel - Re: [PATCH 1/1] drivers/net: param for lapbether for specific ethernet device

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Date:	Wed, 19 Jun 2013 12:18:02 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	steve.moorby@...world.com
Cc:	jiri@...nulli.us, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] drivers/net: param for lapbether for specific
 ethernet device

From: Stephen Moorby <steve.moorby@...world.com>
Date: Wed, 19 Jun 2013 16:26:53 +0100

> The lapbether driver binds to the first ethernet device that comes up.
> This causes problems in hardware with multiple ethernet interfaces,
> potentially resulting in the LAPB traffic on the wrong interface.
> Have added a module parameter 'eth_dev' to specify the ethernet
> interface over which lapbether should operate.  The module behaves
> as before if no device is specified.
> 
> Patch created on linux-next 18-Jun-2013.
> Tested on 2.6.32-45-generic.
> 
> Signed-off-by: Stephen Moorby <steve.moorby@...world.com>

I rejected this patch last night, stating that module parameters are
deeply discouraged and therefore you need to create a runtime mechanism
to control this.
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