From: Vivien Didelot <vivien.dide...@savoirfairelinux.com> Date: Fri, 5 Feb 2016 14:07:14 -0500
> BRIDGE_VLAN_FILTERING automatically adds a newly bridged port to the > VLAN with the bridge's default_pvid. > > The mv88e6xxx driver currently reserves VLANs 4000+ for unbridged ports > isolation. When a port joins a bridge, it leaves its reserved VLAN. When > a port leaves a bridge, it joins again its reserved VLAN. > > But if the VLAN filtering is disabled, or if this hardware VLAN is > already in use, the bridged port ends up with no default VLAN, and the > communication with the CPU is thus broken. > > To fix this, make a port join its reserved VLAN once on setup, never > leave it, and restore its PVID after another one was eventually used. > > Signed-off-by: Vivien Didelot <vivien.dide...@savoirfairelinux.com> Applied.