netdev - Re: [NET-NEXT PATCH 08/14] e1000e: link up/down messages must follow a specific format

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Date:	Fri, 21 Nov 2008 12:16:25 -0800
From:	Stephen Hemminger <shemminger@...tta.com>
To:	"Jeff Kirsher" <jeffrey.t.kirsher@...el.com>
Cc:	"Dan Williams" <dcbw@...hat.com>, davem@...emloft.net,
	netdev@...r.kernel.org, jeff@...zik.org,
	"Bruce Allan" <bruce.w.allan@...el.com>
Subject: Re: [NET-NEXT PATCH 08/14] e1000e: link up/down messages must
 follow a specific format

On Fri, 21 Nov 2008 11:23:42 -0800
"Jeff Kirsher" <jeffrey.t.kirsher@...el.com> wrote:

> On Fri, Nov 21, 2008 at 11:04 AM, Dan Williams <dcbw@...hat.com> wrote:
> > On Fri, 2008-11-21 at 11:01 -0800, Jeff Kirsher wrote:
> >> From: Bruce Allan <bruce.w.allan@...el.com>
> >>
> >> The system log messages created on a link status change need to follow a
> >> specific format to work with tools some customers use.
> >
> > Um, shouldn't those tools be listening to netlink for carrier events, or
> > are these tools run on a separate machine using on some later date using
> > the logs from the machine with the e1000e?
> >
> > Dan
> >
> 
> From my understanding these tools are looking at the logs and that is
> why we need to have a consistent log message.
> 

These tools are tied to a specific driver (yours), because not all drivers
generate a message or the same format message. This may be okay for Intel
but is really stupid design...

It would be good if link state transitions generated uevents (online/offline).
Then udev, hal and others could use that without netlink.
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