From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Lunn Subject: Re: DSA vs envelope frames Date: Wed, 30 Nov 2016 16:10:28 +0100 Message-ID: <20161130151028.GD21645@lunn.ch> References: <1480444528-30054-1-git-send-email-nikita.yoush@cogentembedded.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Toshiaki Makita , Andy Duan , "David S. Miller" , Troy Kisky , Eric Nelson , Philippe Reynes , Johannes Berg , "netdev@vger.kernel.org" , Chris Healy , Fabio Estevam , "linux-kernel@vger.kernel.org" , Vivien Didelot , florian Fainelli To: Nikita Yushchenko Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org > What is not really clear - what if several tagging protocols are used > together. AFAIU, things may be more complex that simple appending of > tags, e.g. EDSA tag can carry VLAN id inside. Hi Nikita At least for all current tagging protocols, the size of the tag is constant. And you cannot run different tagging protocols on the same master interface at the same time. However, i think Florian tried something funky with the SF2 and B53 driver. He has a b53 hanging off a sf2. So i think he used nested tagging protocols! Andrew