net: dsa: felix: add port mirroring support

Gain support for port mirroring using tc-matchall by forwarding the
calls to the ocelot switch library.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/dsa/ocelot/felix.c

@@ -1650,6 +1650,24 @@ static void felix_port_policer_del(struct dsa_switch *ds, int port)
 	ocelot_port_policer_del(ocelot, port);
 }
 
+static int felix_port_mirror_add(struct dsa_switch *ds, int port,
+				 struct dsa_mall_mirror_tc_entry *mirror,
+				 bool ingress, struct netlink_ext_ack *extack)
+{
+	struct ocelot *ocelot = ds->priv;
+
+	return ocelot_port_mirror_add(ocelot, port, mirror->to_local_port,
+				      ingress, extack);
+}
+
+static void felix_port_mirror_del(struct dsa_switch *ds, int port,
+				  struct dsa_mall_mirror_tc_entry *mirror)
+{
+	struct ocelot *ocelot = ds->priv;
+
+	ocelot_port_mirror_del(ocelot, port, mirror->ingress);
+}
+
 static int felix_port_setup_tc(struct dsa_switch *ds, int port,
 			       enum tc_setup_type type,
 			       void *type_data)
@@ -1880,6 +1898,8 @@ const struct dsa_switch_ops felix_switch_ops = {
 	.port_max_mtu			= felix_get_max_mtu,
 	.port_policer_add		= felix_port_policer_add,
 	.port_policer_del		= felix_port_policer_del,
+	.port_mirror_add		= felix_port_mirror_add,
+	.port_mirror_del		= felix_port_mirror_del,
 	.cls_flower_add			= felix_cls_flower_add,
 	.cls_flower_del			= felix_cls_flower_del,
 	.cls_flower_stats		= felix_cls_flower_stats,