netdev - Re: [PATCH net-next 2/6] bnx2: Check netif_running() in all ethtool operations.

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Message-ID: <1223585940.23468.7.camel@HP1>
Date:	Thu, 09 Oct 2008 13:59:00 -0700
From:	"Michael Chan" <mchan@...adcom.com>
To:	"David Miller" <davem@...emloft.net>
cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"Benjamin Li" <benli@...adcom.com>,
	"Matthew Carlson" <mcarlson@...adcom.com>
Subject: Re: [PATCH net-next 2/6] bnx2: Check netif_running() in all
 ethtool operations.


On Thu, 2008-10-09 at 12:22 -0700, David Miller wrote:
> From: "Michael Chan" <mchan@...adcom.com>
> Date: Thu,  9 Oct 2008 10:16:04 -0700
> 
> > We need to check netif_running() state in most ethtool operations
> > and properly handle the !netif_running() state where the chip is
> > in an uninitailzed state or low power state that may not accept
> > any MMIO.
> >
> > Signed-off-by: Michael Chan <mchan@...adcom.com>
> > Signed-off-by: Benjamin Li <benli@...adcom.com>
> > Signed-off-by: Matt Carlson <mcarlson@...adcom.com>
> 
> Applied, but I wonder if this will trip people up who invoke
> ethtool to set a specific link setting before bringing the
> device up?
> 

ethtool -s is not affected by the patch and will continue to work
whether the device is up or down.  The patch affects operations such as
reading/writing NVRAM, restart autoneg, etc, that require the device to
be up.

Thanks.


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