From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pablo Neira Ayuso Subject: Re: [PATCH net] bridge: ebtables: fix reception of frames DNAT-ed to bridge device Date: Wed, 15 Mar 2017 19:15:39 +0100 Message-ID: <20170315181539.GA31875@salvia> References: <20170315031811.22714-1-linus.luessing@c0d3.blue> <20170315102608.GB24366@breakpoint.cc> <20170315104211.GA24409@salvia> <20170315142720.GU15692@otheros> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Cc: netdev@vger.kernel.org, bridge@lists.linux-foundation.org, Florian Westphal , linux-kernel@vger.kernel.org, coreteam@netfilter.org, netfilter-devel@vger.kernel.org, Jozsef Kadlecsik , "David S . Miller" To: Linus =?iso-8859-1?Q?L=FCssing?= Return-path: Content-Disposition: inline In-Reply-To: <20170315142720.GU15692@otheros> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: bridge-bounces@lists.linux-foundation.org Errors-To: bridge-bounces@lists.linux-foundation.org List-Id: netfilter-devel.vger.kernel.org On Wed, Mar 15, 2017 at 03:27:20PM +0100, Linus Lüssing wrote: > On Wed, Mar 15, 2017 at 11:42:11AM +0100, Pablo Neira Ayuso wrote: > > I'm missing then why redirect is not then just enough for Linus usecase. > > For my usecase, the MAC address is configured by the user from a > Web-UI. It may or may not be the one from the bridge device. > > Besides, found it counter intuitive that DNAT did not work here > and took me some time to find out why. At least I didn't read about > any such known limitations of the dnat target in the ebtables > manpage. Could you update ebtables dnat to check if the ethernet address matches the one of the input bridge interface, so we mangle the ->pkt_type accordingly from there, instead of doing this from the core?