From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net] net: dsa: mv88e6xxx: isolate unbridged ports Date: Thu, 05 Nov 2015 13:37:41 -0500 (EST) Message-ID: <20151105.133741.920416694054745930.davem@davemloft.net> References: <1446675820-25608-1-git-send-email-vivien.didelot@savoirfairelinux.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@savoirfairelinux.com, f.fainelli@gmail.com, andrew@lunn.ch To: vivien.didelot@savoirfairelinux.com Return-path: In-Reply-To: <1446675820-25608-1-git-send-email-vivien.didelot@savoirfairelinux.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Vivien Didelot Date: Wed, 4 Nov 2015 17:23:40 -0500 > The DSA documentation specifies that each port must be capable of > forwarding frames to the CPU port. The last changes on bridging support > for the mv88e6xxx driver broke this requirement for non-bridged ports. > > So as for the bridged ports, reserve a few VLANs (4000+) in the switch > to isolate ports that have not been bridged yet. > > By default, a port will be isolated with the CPU and DSA ports. When the > port joins a bridge, it will leave its reserved port. When it is removed > from a bridge, it will join its reserved VLAN again. > > Fixes: 5fe7f68016ff ("net: dsa: mv88e6xxx: fix hardware bridging") > Reported-by: Andrew Lunn > Signed-off-by: Vivien Didelot Applied, thanks Vivien.