netdev - Re: [PATCH net] net: dsa: mv88e6xxx: isolate unbridged ports

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Message-Id: <20151105.133741.920416694054745930.davem@davemloft.net>
Date:	Thu, 05 Nov 2015 13:37:41 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	vivien.didelot@...oirfairelinux.com
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel@...oirfairelinux.com, f.fainelli@...il.com, andrew@...n.ch
Subject: Re: [PATCH net] net: dsa: mv88e6xxx: isolate unbridged ports

From: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
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 <andrew@...n.ch>
> Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>

Applied, thanks Vivien.
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