netdev - Re: [PATCH net-2.6] ixgbe: only enable WoL for magic packet by default

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Message-ID: <BANLkTiner9iMOF8Y333OxBPhySSu9AwG+g@mail.gmail.com>
Date:	Fri, 8 Apr 2011 11:13:07 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	Andy Gospodarek <andy@...yhouse.net>
Cc:	netdev@...r.kernel.org, martin.wilck@...fujitsu.com,
	john.r.fastabend@...el.com
Subject: Re: [PATCH net-2.6] ixgbe: only enable WoL for magic packet by default

On Thu, Apr 7, 2011 at 07:41, Andy Gospodarek <andy@...yhouse.net> wrote:
> Martin Wilck <martin.wilck@...fujitsu.com> reported that systems using
> the ixgbe-driver that were capable of WoL were rebooting almost as soon
> as they were shut down.  This is because the default WoL settings
> enabled magic packet, broadcast, unicast, and multicast.
>
> Other Intel devices seem to use the stored eeprom value for initial WoL
> capabilities.  The 82578DM (e1000e) and 82576 (igb) the devices I looked
> at had only the magic packet enabled in the eeprom, so that seems
> appropriate on ixgbe-based devices as well.  I set the WoL options on my
> 82578DM to be the same default as the ixgbe devices (umbg) and saw the
> same as Martin -- almost as soon as my box shutdown, it booted again.
>
> This patch changes the default to only be the magic packet.  This is the
> same as the default for most Intel and non-Intel hardware currently
> upstream.
>
> Signed-off-by: Andy Gospodarek <andy@...yhouse.net>
> CC: Martin Wilck <martin.wilck@...fujitsu.com>
>

Thanks Andy! I have added the patch to my queue.

-- 
Cheers,
Jeff
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