Various switchcores support setting ports in locked mode, so that clients behind locked ports cannot send traffic through the port unless a fdb entry is added with the clients MAC address.
Among the switchcores that support this feature is the Marvell mv88e6xxx family. Signed-off-by: Hans Schultz <[email protected]> --- net/bridge/br_switchdev.c | 2 +- net/dsa/port.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c index f8fbaaa7c501..bf549fc22556 100644 --- a/net/bridge/br_switchdev.c +++ b/net/bridge/br_switchdev.c @@ -72,7 +72,7 @@ bool nbp_switchdev_allowed_egress(const struct net_bridge_port *p, /* Flags that can be offloaded to hardware */ #define BR_PORT_FLAGS_HW_OFFLOAD (BR_LEARNING | BR_FLOOD | \ - BR_MCAST_FLOOD | BR_BCAST_FLOOD) + BR_MCAST_FLOOD | BR_BCAST_FLOOD | BR_PORT_LOCKED) int br_switchdev_set_port_flag(struct net_bridge_port *p, unsigned long flags, diff --git a/net/dsa/port.c b/net/dsa/port.c index bd78192e0e47..01ed22ed74a1 100644 --- a/net/dsa/port.c +++ b/net/dsa/port.c @@ -176,7 +176,7 @@ static int dsa_port_inherit_brport_flags(struct dsa_port *dp, struct netlink_ext_ack *extack) { const unsigned long mask = BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD | - BR_BCAST_FLOOD; + BR_BCAST_FLOOD | BR_PORT_LOCKED; struct net_device *brport_dev = dsa_port_to_bridge_port(dp); int flag, err; @@ -200,7 +200,7 @@ static void dsa_port_clear_brport_flags(struct dsa_port *dp) { const unsigned long val = BR_FLOOD | BR_MCAST_FLOOD | BR_BCAST_FLOOD; const unsigned long mask = BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD | - BR_BCAST_FLOOD; + BR_BCAST_FLOOD | BR_PORT_LOCKED; int flag, err; for_each_set_bit(flag, &mask, 32) { -- 2.30.2
