From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: Please revert removal of /sys/class/net/*/features
Date: Tue, 10 Apr 2012 14:27:46 -0400 (EDT)
Message-ID: <20120410.142746.177154176524267450.davem@davemloft.net>
References: <20120410110851.5690739c@nehalam.linuxnetplumber.net>
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From: Stephen Hemminger <shemminger@vyatta.com>
Date: Tue, 10 Apr 2012 11:08:51 -0700

> This commit needs to be reverted. It removed an available sysfs file, and sysfs
> files are part of the ABI. It caused a bug in our current release of Vyatta because
> the shell script was using the sysfs file to see if VLAN was supported on a device.
> 
> An API maybe redundant, but you can't just remove it.

I think it's more about representability with an expanded
netdev_features_t type.