From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: [PATCH net-next] net: bridge: add per-port group_fwd_mask with less restrictions Date: Fri, 29 Sep 2017 08:14:20 -0700 Message-ID: <20170929081420.3b069170@xeon-e3> References: <1506517964-17479-1-git-send-email-nikolay@cumulusnetworks.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, roopa@cumulusnetworks.com, bridge@lists.linux-foundation.org To: Nikolay Aleksandrov Return-path: Received: from mail-pf0-f176.google.com ([209.85.192.176]:57160 "EHLO mail-pf0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752326AbdI2PO3 (ORCPT ); Fri, 29 Sep 2017 11:14:29 -0400 Received: by mail-pf0-f176.google.com with SMTP id g65so865526pfe.13 for ; Fri, 29 Sep 2017 08:14:29 -0700 (PDT) In-Reply-To: <1506517964-17479-1-git-send-email-nikolay@cumulusnetworks.com> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, 27 Sep 2017 16:12:44 +0300 Nikolay Aleksandrov wrote: > We need to be able to transparently forward most link-local frames via > tunnels (e.g. vxlan, qinq). Currently the bridge's group_fwd_mask has a > mask which restricts the forwarding of STP and LACP, but we need to be able > to forward these over tunnels and control that forwarding on a per-port > basis thus add a new per-port group_fwd_mask option which only disallows > mac pause frames to be forwarded (they're always dropped anyway). > The patch does not change the current default situation - all of the others > are still restricted unless configured for forwarding. > We have successfully tested this patch with LACP and STP forwarding over > VxLAN and qinq tunnels. > > Signed-off-by: Nikolay Aleksandrov LACP is fine, but STP must not be forwarded if STP in user or kernel mode is enabled. Please update this patch or revert it.