Re: [PATCH linux-2.6.12-rc4-mm1] ethtool: Add NETIF_F_HW_CSUM support

["David S. Miller" <davem@xxxxxxxxxxxxx>]

From: Jon Mason <jdmason@xxxxxxxxxx>
Subject: [PATCH linux-2.6.12-rc4-mm1] ethtool: Add NETIF_F_HW_CSUM support
Date: Mon, 23 May 2005 16:07:57 -0500

> Added support to ethtool for NETIF_F_HW_CSUM.
> 
> Signed-off-by: Jon Mason <jdmason@xxxxxxxxxx>

You cannot blindly set these flags, you need to provide
a method for the driver to override the implementation of
this method so it can return and error if it cannot provide
support for this feature.