netdev - Re: Please revert removal of /sys/class/net/*/features

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Message-ID: <4F847CB7.3040603@candelatech.com>
Date:	Tue, 10 Apr 2012 11:32:23 -0700
From:	Ben Greear <greearb@...delatech.com>
To:	Stephen Hemminger <shemminger@...tta.com>
CC:	David Miller <davem@...emloft.net>,
	Michał Mirosław <mirq-linux@...e.qmqm.pl>,
	netdev@...r.kernel.org
Subject: Re: Please revert removal of /sys/class/net/*/features

On 04/10/2012 11:08 AM, Stephen Hemminger wrote:
> 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.

It's a hack, but you can also make some vlan IOCTL calls to a device
to probe if it's VLAN or not..thats what I've been doing for the last
decade or so :)

Thanks,
Ben

-- 
Ben Greear <greearb@...delatech.com>
Candela Technologies Inc  http://www.candelatech.com

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