Add support for the bridge flags to Marvell 88e6xxx bridges, allowing
the multicast and unicast flood properties to be controlled.  These
can be controlled on a per-port basis via commands such as:

        bridge link set dev lan1 flood on|off
        bridge link set dev lan1 mcast_flood on|off

Signed-off-by: Russell King <[email protected]>
---
 drivers/net/dsa/mv88e6xxx/chip.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 32e7af5caa69..937370639fe4 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -4692,6 +4692,24 @@ static int mv88e6xxx_port_mdb_del(struct dsa_switch *ds, 
int port,
        return err;
 }
 
+static int mv88e6xxx_port_egress_floods(struct dsa_switch *ds, int port,
+                                        bool unicast, bool multicast)
+{
+       struct mv88e6xxx_chip *chip = ds->priv;
+       int ret = -EOPNOTSUPP;
+
+       WARN_ON_ONCE(dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port));
+
+       mutex_lock(&chip->reg_lock);
+       if (chip->info->ops->port_set_egress_floods)
+               ret = chip->info->ops->port_set_egress_floods(chip, port,
+                                                             unicast,
+                                                             multicast);
+       mutex_unlock(&chip->reg_lock);
+
+       return ret;
+}
+
 static const struct dsa_switch_ops mv88e6xxx_switch_ops = {
 #if IS_ENABLED(CONFIG_NET_DSA_LEGACY)
        .probe                  = mv88e6xxx_drv_probe,
@@ -4719,6 +4737,7 @@ static const struct dsa_switch_ops mv88e6xxx_switch_ops = 
{
        .set_ageing_time        = mv88e6xxx_set_ageing_time,
        .port_bridge_join       = mv88e6xxx_port_bridge_join,
        .port_bridge_leave      = mv88e6xxx_port_bridge_leave,
+       .port_egress_floods     = mv88e6xxx_port_egress_floods,
        .port_stp_state_set     = mv88e6xxx_port_stp_state_set,
        .port_fast_age          = mv88e6xxx_port_fast_age,
        .port_vlan_filtering    = mv88e6xxx_port_vlan_filtering,
-- 
2.7.4

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