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From: Oliver Neukum <oliver@neukum.org>
To: Max Kellermann <max@duempel.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Detecting link up
Date: Wed, 18 May 2005 17:00:08 +0200	[thread overview]
Message-ID: <200505181700.09269.oliver@neukum.org> (raw)
In-Reply-To: <20050518143712.GA21883@roonstrasse.net>

Am Mittwoch, 18. Mai 2005 16:37 schrieb Max Kellermann:
> A thought on a related topic:
> 
> When a NIC driver knows that there is no link, why does it even try to
> transmit a packet? It could return immediately with an error code,
> without applications having to wait for a timeout.

That would be a duplication of work. If the driver provides
link detection the network core could check for it.

	Regards
		Oliver

  reply	other threads:[~2005-05-18 15:04 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-18 10:35 Filipe Abrantes
2005-05-18 11:40 ` Martin Zwickel
2005-05-18 13:11   ` Vaibhav Nivargi
2005-05-18 13:57     ` Richard B. Johnson
2005-05-18 14:37   ` Max Kellermann
2005-05-18 15:00     ` Oliver Neukum [this message]
2005-05-18 15:06     ` Coywolf Qi Hunt
2005-05-18 15:11     ` Richard B. Johnson
2005-05-18 17:33   ` Michael Tokarev
2005-05-18 18:20 ` Stephen Hemminger
2005-05-18 22:20   ` Baruch Even

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