netdev - Re: New commands to configure IOV features

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Message-ID: <4FE9A963.7020602@broadcom.com>
Date:	Tue, 26 Jun 2012 15:21:55 +0300
From:	"Yuval Mintz" <yuvalmin@...adcom.com>
To:	"Ben Hutchings" <bhutchings@...arflare.com>
cc:	"Greg Rose" <gregory.v.rose@...el.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: New commands to configure IOV features

On 05/07/2012 06:16 PM, Greg Rose wrote:

> On Mon, 7 May 2012 14:17:54 +0300
> Yuval Mintz <yuvalmin@...adcom.com> wrote:
> 
>> I've tried to figure out if there was a standard interface
>> (ethtool/iproute) through which a user could configure the number
>> of vfs in his system.
>>
>> I've seen the RFC suggested in
>> http://markmail.org/thread/qblfcv7zbxsxp7q6, and
>> http://markmail.org/thread/fw54dcppmxuxoe6n, but failed to see any
>> later references to it (commits or further discussion on this topic).
>>
>> How exactly are things standing with these RFCs? Were they abandoned?
> 
> The only way to configure the number of VFs continues to be through the
> max_vfs module parameter.  I've got a patch to do it through ethtool
> sitting on the back burner but due to other requirements of my day job
> I've not been able to work on it since last fall.
> 
> - Greg


Hi Ben,

If I want to pick the RFCs and add support for configuring the number of
VFs - do you think ethtool's the right place for such added support?

I'm asking since as far as I can see, ethtool (today) doesn't contain any
features related to virtual functions.

Thanks,
Yuval

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