net: dsa: microchip: move the port mirror to ksz_common

This patch updates the common port mirror add/del dsa_switch_ops in
ksz_common.c. The individual switches implementation is executed based
on the ksz_dev_ops function pointers.
Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

drivers/net/dsa/microchip/ksz8795.c

@@ -1089,12 +1089,10 @@ static int ksz8_port_vlan_del(struct ksz_device *dev, int port,
 	return 0;
 }
 
-static int ksz8_port_mirror_add(struct dsa_switch *ds, int port,
+static int ksz8_port_mirror_add(struct ksz_device *dev, int port,
 				struct dsa_mall_mirror_tc_entry *mirror,
 				bool ingress, struct netlink_ext_ack *extack)
 {
-	struct ksz_device *dev = ds->priv;
-
 	if (ingress) {
 		ksz_port_cfg(dev, port, P_MIRROR_CTRL, PORT_MIRROR_RX, true);
 		dev->mirror_rx |= BIT(port);
@@ -1113,10 +1111,9 @@ static int ksz8_port_mirror_add(struct dsa_switch *ds, int port,
 	return 0;
 }
 
-static void ksz8_port_mirror_del(struct dsa_switch *ds, int port,
+static void ksz8_port_mirror_del(struct ksz_device *dev, int port,
 				 struct dsa_mall_mirror_tc_entry *mirror)
 {
-	struct ksz_device *dev = ds->priv;
 	u8 data;
 
 	if (mirror->ingress) {
@@ -1400,8 +1397,8 @@ static const struct dsa_switch_ops ksz8_switch_ops = {
 	.port_fdb_dump		= ksz_port_fdb_dump,
 	.port_mdb_add           = ksz_port_mdb_add,
 	.port_mdb_del           = ksz_port_mdb_del,
-	.port_mirror_add	= ksz8_port_mirror_add,
-	.port_mirror_del	= ksz8_port_mirror_del,
+	.port_mirror_add	= ksz_port_mirror_add,
+	.port_mirror_del	= ksz_port_mirror_del,
 };
 
 static u32 ksz8_get_port_addr(int port, int offset)
@@ -1464,6 +1461,8 @@ static const struct ksz_dev_ops ksz8_dev_ops = {
 	.vlan_filtering = ksz8_port_vlan_filtering,
 	.vlan_add = ksz8_port_vlan_add,
 	.vlan_del = ksz8_port_vlan_del,
+	.mirror_add = ksz8_port_mirror_add,
+	.mirror_del = ksz8_port_mirror_del,
 	.shutdown = ksz8_reset_switch,
 	.init = ksz8_switch_init,
 	.exit = ksz8_switch_exit,

drivers/net/dsa/microchip/ksz9477.c

@@ -811,11 +811,10 @@ static int ksz9477_port_mdb_del(struct dsa_switch *ds, int port,
 	return ret;
 }
 
-static int ksz9477_port_mirror_add(struct dsa_switch *ds, int port,
+static int ksz9477_port_mirror_add(struct ksz_device *dev, int port,
 				   struct dsa_mall_mirror_tc_entry *mirror,
 				   bool ingress, struct netlink_ext_ack *extack)
 {
-	struct ksz_device *dev = ds->priv;
 	u8 data;
 	int p;
 
@@ -851,10 +850,9 @@ static int ksz9477_port_mirror_add(struct dsa_switch *ds, int port,
 	return 0;
 }
 
-static void ksz9477_port_mirror_del(struct dsa_switch *ds, int port,
+static void ksz9477_port_mirror_del(struct ksz_device *dev, int port,
 				    struct dsa_mall_mirror_tc_entry *mirror)
 {
-	struct ksz_device *dev = ds->priv;
 	bool in_use = false;
 	u8 data;
 	int p;
@@ -1327,8 +1325,8 @@ static const struct dsa_switch_ops ksz9477_switch_ops = {
 	.port_fdb_del		= ksz9477_port_fdb_del,
 	.port_mdb_add           = ksz9477_port_mdb_add,
 	.port_mdb_del           = ksz9477_port_mdb_del,
-	.port_mirror_add	= ksz9477_port_mirror_add,
-	.port_mirror_del	= ksz9477_port_mirror_del,
+	.port_mirror_add	= ksz_port_mirror_add,
+	.port_mirror_del	= ksz_port_mirror_del,
 	.get_stats64		= ksz_get_stats64,
 	.port_change_mtu	= ksz9477_change_mtu,
 	.port_max_mtu		= ksz9477_max_mtu,
@@ -1406,6 +1404,8 @@ static const struct ksz_dev_ops ksz9477_dev_ops = {
 	.vlan_filtering = ksz9477_port_vlan_filtering,
 	.vlan_add = ksz9477_port_vlan_add,
 	.vlan_del = ksz9477_port_vlan_del,
+	.mirror_add = ksz9477_port_mirror_add,
+	.mirror_del = ksz9477_port_mirror_del,
 	.shutdown = ksz9477_reset_switch,
 	.init = ksz9477_switch_init,
 	.exit = ksz9477_switch_exit,

drivers/net/dsa/microchip/ksz_common.c

@@ -991,6 +991,29 @@ int ksz_port_vlan_del(struct dsa_switch *ds, int port,
 }
 EXPORT_SYMBOL_GPL(ksz_port_vlan_del);
 
+int ksz_port_mirror_add(struct dsa_switch *ds, int port,
+			struct dsa_mall_mirror_tc_entry *mirror,
+			bool ingress, struct netlink_ext_ack *extack)
+{
+	struct ksz_device *dev = ds->priv;
+
+	if (!dev->dev_ops->mirror_add)
+		return -EOPNOTSUPP;
+
+	return dev->dev_ops->mirror_add(dev, port, mirror, ingress, extack);
+}
+EXPORT_SYMBOL_GPL(ksz_port_mirror_add);
+
+void ksz_port_mirror_del(struct dsa_switch *ds, int port,
+			 struct dsa_mall_mirror_tc_entry *mirror)
+{
+	struct ksz_device *dev = ds->priv;
+
+	if (dev->dev_ops->mirror_del)
+		dev->dev_ops->mirror_del(dev, port, mirror);
+}
+EXPORT_SYMBOL_GPL(ksz_port_mirror_del);
+
 static int ksz_switch_detect(struct ksz_device *dev)
 {
 	u8 id1, id2;

drivers/net/dsa/microchip/ksz_common.h

@@ -187,6 +187,11 @@ struct ksz_dev_ops {
 			 struct netlink_ext_ack *extack);
 	int  (*vlan_del)(struct ksz_device *dev, int port,
 			 const struct switchdev_obj_port_vlan *vlan);
+	int (*mirror_add)(struct ksz_device *dev, int port,
+			  struct dsa_mall_mirror_tc_entry *mirror,
+			  bool ingress, struct netlink_ext_ack *extack);
+	void (*mirror_del)(struct ksz_device *dev, int port,
+			   struct dsa_mall_mirror_tc_entry *mirror);
 	void (*freeze_mib)(struct ksz_device *dev, int port, bool freeze);
 	void (*port_init_cnt)(struct ksz_device *dev, int port);
 	int (*shutdown)(struct ksz_device *dev);
@@ -247,6 +252,11 @@ int ksz_port_vlan_add(struct dsa_switch *ds, int port,
 		      struct netlink_ext_ack *extack);
 int ksz_port_vlan_del(struct dsa_switch *ds, int port,
 		      const struct switchdev_obj_port_vlan *vlan);
+int ksz_port_mirror_add(struct dsa_switch *ds, int port,
+			struct dsa_mall_mirror_tc_entry *mirror,
+			bool ingress, struct netlink_ext_ack *extack);
+void ksz_port_mirror_del(struct dsa_switch *ds, int port,
+			 struct dsa_mall_mirror_tc_entry *mirror);
 
 /* Common register access functions */