From: Thomas Graf <tgraf@infradead.org>
To: David Miller <davem@davemloft.net>
Cc: jeff@garzik.org, bhutchings@solarflare.com,
shemminger@vyatta.com, netdev@vger.kernel.org
Subject: Re: the future of ethtool
Date: Tue, 16 Nov 2010 01:17:46 -0500 [thread overview]
Message-ID: <20101116061746.GC24292@canuck.infradead.org> (raw)
In-Reply-To: <20101115.180225.189678628.davem@davemloft.net>
On Mon, Nov 15, 2010 at 06:02:25PM -0800, David Miller wrote:
> It isn't sufficient. You can still get into unwindable failures.
>
> Earlier operations can consume fixed resources like TCAM filter
> slots or rx/tx queues, making a subsequent operation in the
> sequence fail.
>
> A validate/commit scheme cannot detect this effectively.
I agree, there are many more scenarios where it would not work
reliably. It would have ensured that all provided values are
within range boundries and that all requested operations are in
fact supported. Since I have disregarded the idea, I does not
matter much anymore.
next prev parent reply other threads:[~2010-11-16 6:17 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-15 19:41 the future of ethtool Jeff Garzik
2010-11-15 20:18 ` Ben Hutchings
2010-11-15 20:44 ` Stephen Hemminger
2010-11-15 21:14 ` Ben Hutchings
2010-11-15 21:14 ` Stephen Hemminger
2010-11-15 21:52 ` Ben Hutchings
2010-11-15 22:49 ` Jeff Garzik
2010-11-15 23:33 ` Thomas Graf
2010-11-16 0:07 ` Jeff Garzik
2010-11-16 0:10 ` Ben Hutchings
2010-11-16 6:25 ` Thomas Graf
2010-11-16 2:02 ` David Miller
2010-11-16 6:17 ` Thomas Graf [this message]
2010-11-15 21:03 ` Jeff Garzik
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