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From: Keith Owens <kaos@ocs.com.au>
To: Jeff Garzik <jgarzik@mandrakesoft.mandrakesoft.com>
cc: Donald Becker <becker@scyld.com>, linux-kernel@vger.kernel.org,
        netdev@oss.sgi.com
Subject: Re: [RFC] Configuring synchronous interfaces in Linux 
In-Reply-To: Your message of "Sun, 03 Dec 2000 07:43:01 MDT."
             <Pine.LNX.3.96.1001203074055.23089B-100000@mandrakesoft.mandrakesoft.com> 
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Date: Mon, 04 Dec 2000 07:29:10 +1100
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On Sun, 3 Dec 2000 07:43:01 -0600 (CST), 
Jeff Garzik <jgarzik@mandrakesoft.mandrakesoft.com> wrote:
>On Sun, 3 Dec 2000, Keith Owens wrote:
>> If you go down this path, please add a standard performance monitoring
>> method to query the current capacity of an interface.
>Well, ethtool interface supports reporting media selection as well as
>[re]setting media setting.  I dunno if we could report what capacity
>an interface is handling without adding code to hot paths...

You calculate the capacity during ifconfig up or during speed change.
That is not on the hot path.

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