On Wed, 28 May 2008 20:45:18 -0500 James Cammarata <jimi@sngx.net> wrote:

quoted text
> I had originally submitted this ability as a patch to procfs, and
> general consensus was that it seemed "hackish" to do it that way.  It
> was suggested that it be implemented as a feature of ethtool, so I 
> thought I'd take on the challenge and add it that way.
> 
> I've laid the groundwork here, and added the ability to two of the 
> drivers for which I have hardware to test on (e1000 and pcnet32).  I 
> also added the code required to call this functionality to the ethtool 
> code base, and have been using that to test my changes (using -z as the 
> flag to ethtool for clearing stats for now).
> 
> If this is an acceptable start, I will gladly start working on adding 
> this to as many drivers as possible (we do have some bnx2 hardware, 
> though I'm not sure if it's available for testing).
> 
> Some other sys-admins have mentioned to me that ethtool doesn't work 
> sometimes and they fall back to using mii-tool to configure interfaces,
> so I'd still like to have the procfs change implemented to accommodate 
> that hardware, but I agree, this is a better way forward.

You didn't provide a reason from adding this feature to the kernel.

Many of the kernel's accounting accumulators cannot be reset.  We
handle that in userspace tools by using subtraction.
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