This is the patch for iproute for configuring GVRP.

commit 32143eed8b706e5c6554ab42903533b3bccdc060
Author: Patrick McHardy <kaber@trash.net>
Date:   Thu Jul 3 19:05:09 2008 +0200

    [IPROUTE]: iflink_vlan: support GVRP flag
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Stephen Hemminger <stephen.hemminger@vyatta.com>