From: David Miller <davem@davemloft.net>
To: bhutchings@solarflare.com
Cc: jdelvare@suse.de, netdev@vger.kernel.org, thockin@hockin.org,
okir@suse.de
Subject: Re: [PATCH] natsemi: make cable length magic configurable
Date: Mon, 28 Nov 2011 16:45:13 -0500 (EST) [thread overview]
Message-ID: <20111128.164513.899219888557202127.davem@davemloft.net> (raw)
In-Reply-To: <1322502664.26733.9.camel@bwh-desktop>
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 28 Nov 2011 17:51:04 +0000
> On Fri, 2011-11-25 at 01:37 -0500, David Miller wrote:
>> From: Jean Delvare <jdelvare@suse.de>
>> Date: Thu, 24 Nov 2011 14:43:59 +0100
>>
>> > We had a customer report concerning problems with a Natsemi DP83815-D
>> > and long cables. With 100m cables, the network would be essentially dead,
>> > not a single packet would get through either way. We had to apply the
>> > patch below to make it work.
>>
>> Please do not add new private device driver module knobs.
>>
>> Instead, add generic flags to the ethtool interface or similar to
>> control device behavior.
>
> This isn't a generic flag; it seems to be a workaround for a specific
> bug that unfortunately can't be automatic.
>
> That's why I suggested an ethtool private flag.
Fair enough.
prev parent reply other threads:[~2011-11-28 21:45 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-24 13:43 [PATCH] natsemi: make cable length magic configurable Jean Delvare
2011-11-24 19:25 ` Ben Hutchings
2012-07-16 12:26 ` Jean Delvare
2012-07-16 13:08 ` Ben Hutchings
2012-07-16 13:57 ` Mark Brown
2012-07-17 5:22 ` David Miller
2011-11-25 6:37 ` David Miller
2011-11-28 17:51 ` Ben Hutchings
2011-11-28 21:45 ` David Miller [this message]
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