netdev - [PATCH net-next v5 2/3] net: dsa: mv88e6xxx: add support for bridge flags

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Message-Id: <20190220233506.22210-3-f.fainelli@gmail.com>
Date:   Wed, 20 Feb 2019 15:35:05 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     netdev@...r.kernel.org
Cc:     Russell King <rmk+kernel@...linux.org.uk>, andrew@...n.ch,
        vivien.didelot@...il.com, davem@...emloft.net, hkallweit1@...il.com
Subject: [PATCH net-next v5 2/3] net: dsa: mv88e6xxx: add support for bridge flags

From: Russell King <rmk+kernel@...linux.org.uk>

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

Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
Reviewed-by: Vivien Didelot <vivien.didelot@...il.com>
Signed-off-by: Russell King <rmk+kernel@...linux.org.uk>
---
 drivers/net/dsa/mv88e6xxx/chip.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 32e7af5caa69..cc7ce06b6d58 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -4692,6 +4692,22 @@ 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 err = -EOPNOTSUPP;
+
+	mutex_lock(&chip->reg_lock);
+	if (chip->info->ops->port_set_egress_floods)
+		err = chip->info->ops->port_set_egress_floods(chip, port,
+							      unicast,
+							      multicast);
+	mutex_unlock(&chip->reg_lock);
+
+	return err;
+}
+
 static const struct dsa_switch_ops mv88e6xxx_switch_ops = {
 #if IS_ENABLED(CONFIG_NET_DSA_LEGACY)
 	.probe			= mv88e6xxx_drv_probe,
@@ -4719,6 +4735,7 @@ 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,
-- 
2.17.1