From: Jeff Garzik <jgarzik@pobox.com>
To: Francois Romieu <romieu@fr.zoreil.com>
Cc: Miroslaw Mieszczak <mieszcz@zabrze.zigzag.pl>,
linux-kernel@vger.kernel.org,
Netdev List <netdev@vger.kernel.org>
Subject: Re: Patch for link detection for R8169
Date: Tue, 06 Sep 2005 21:56:01 -0400 [thread overview]
Message-ID: <431E48B1.7050600@pobox.com> (raw)
In-Reply-To: <20050906194602.GA20862@electric-eye.fr.zoreil.com>
Francois Romieu wrote:
> Miroslaw Mieszczak <mieszcz@zabrze.zigzag.pl> :
>
>>There is a patch to driver of RLT8169 network card. This match make
>>possible detection of the link status even if network interface is down.
>>This is usefull for laptop users.
>
>
> (side note: there is maintainer entry for the r8169 and network related
> patches are welcome on netdev@vger.kernel.org)
>
> Can you elaborate why it is usefull for laptop users ?
>
> I am sceptical: tg3/bn2x/skge do not seem to allow it either.
>
> Jeff, is it a requirement ?
Generally most drivers power down hardware, MAC at least, when the
interface is down. As such, many drivers do not (cannot), as written,
report any useful link information.
IF the phy is not powered down, when the interface goes down, and IF
hardware permits, it would certainly be nice to report link state when
interface is down. This is a hardware-dependent, driver-dependent choice.
Jeff
prev parent reply other threads:[~2005-09-07 1:56 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-06 14:32 Patch for link detection for R8169 Miroslaw Mieszczak
2005-09-06 14:46 ` Matthieu CASTET
2005-09-06 19:46 ` Francois Romieu
2005-09-06 20:02 ` Valdis.Kletnieks
2005-09-06 20:42 ` Francois Romieu
2005-09-06 20:59 ` Valdis.Kletnieks
2005-09-06 21:15 ` Francois Romieu
2005-09-07 14:45 ` Miroslaw Mieszczak
2005-09-07 18:17 ` Francois Romieu
[not found] ` <43207052.3030403@zabrze.zigzag.pl>
2005-09-08 23:49 ` Francois Romieu
2005-09-07 1:56 ` Jeff Garzik [this message]
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