From e79a8bcb780314a555897a933d16553b80dbca1f Mon Sep 17 00:00:00 2001 From: Vivien Didelot Date: Wed, 4 Nov 2015 17:23:40 -0500 Subject: net: dsa: mv88e6xxx: isolate unbridged ports 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 Signed-off-by: David S. Miller --- drivers/net/dsa/mv88e6352.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/net/dsa/mv88e6352.c') diff --git a/drivers/net/dsa/mv88e6352.c b/drivers/net/dsa/mv88e6352.c index ff846d0cfceb..cc6c54553418 100644 --- a/drivers/net/dsa/mv88e6352.c +++ b/drivers/net/dsa/mv88e6352.c @@ -323,6 +323,8 @@ struct dsa_switch_driver mv88e6352_switch_driver = { .set_eeprom = mv88e6352_set_eeprom, .get_regs_len = mv88e6xxx_get_regs_len, .get_regs = mv88e6xxx_get_regs, + .port_join_bridge = mv88e6xxx_port_bridge_join, + .port_leave_bridge = mv88e6xxx_port_bridge_leave, .port_stp_update = mv88e6xxx_port_stp_update, .port_pvid_get = mv88e6xxx_port_pvid_get, .port_vlan_prepare = mv88e6xxx_port_vlan_prepare, -- cgit