linux-kernel - Re: [PATCH net-next] myri10ge: allow per-board firmware overriding

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Message-ID: <49EC4683.3060605@myri.com>
Date:	Mon, 20 Apr 2009 11:55:15 +0200
From:	Brice Goglin <brice@...i.com>
To:	Stanislaw Gruszka <sgruszka@...hat.com>
CC:	David Dillow <dave@...dillows.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux Network Development list <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next] myri10ge: allow per-board firmware overriding

Stanislaw Gruszka wrote:
> Providing module_param_id would address this issues, but I have some concerns
> before doing it:
>
> - device have to access ID (like serial no) before initialization (at least
>   before driver will need parameter)
> - why nobody already done it - perhaps such thing would be totally useless
>   

Per-nic module parameters are used in some Intel NIC drivers but it's
not considered a very good solution in the general case:
   
http://kerneltrap.org/index.php?q=mailarchive/linux-netdev/2008/10/24/3801824/thread

But again, when talking about changing the NIC firmware, ethtool and
friends are not that easy.

Brice

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