From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Greear Subject: Re: VLAN subinterfaces, bridges and udev Date: Mon, 01 May 2006 09:02:04 -0700 Message-ID: <445630FC.3030300@candelatech.com> References: <20060430142929.GA8901@wonderland.linux.it> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from ns2.lanforge.com ([66.165.47.211]:11909 "EHLO ns2.lanforge.com") by vger.kernel.org with ESMTP id S932137AbWEAQCL (ORCPT ); Mon, 1 May 2006 12:02:11 -0400 To: netdev@vger.kernel.org, md@Linux.IT In-Reply-To: <20060430142929.GA8901@wonderland.linux.it> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Marco d'Itri wrote: > [Please Cc me, I am not subscribed to netdev.] > > Can I rely on the presence of the $DEVPATH/driver symlink (e.g. > /sys/class/net/eth0/driver) to check if a network interface is a "real" > device insteaf of a VLAN or a bridge? To distinguish I use a VLAN specific IOCTL (GET_VLAN_REALDEV_NAME_CMD). If that IOCTL has no error, then it is a VLAN. I don't know if there is a similar trick for bridges. Thanks, Ben -- Ben Greear Candela Technologies Inc http://www.candelatech.com