1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_goto.c b/drivers/net/ethernet/microchip/lan966x/lan966x_goto.c
new file mode 100644
index 0000000000..9b18156eea
--- /dev/null
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_goto.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include "lan966x_main.h"
+#include "vcap_api_client.h"
+
+int lan966x_goto_port_add(struct lan966x_port *port,
+			  int from_cid, int to_cid,
+			  unsigned long goto_id,
+			  struct netlink_ext_ack *extack)
+{
+	struct lan966x *lan966x = port->lan966x;
+	int err;
+
+	err = vcap_enable_lookups(lan966x->vcap_ctrl, port->dev,
+				  from_cid, to_cid, goto_id,
+				  true);
+	if (err == -EFAULT) {
+		NL_SET_ERR_MSG_MOD(extack, "Unsupported goto chain");
+		return -EOPNOTSUPP;
+	}
+
+	if (err == -EADDRINUSE) {
+		NL_SET_ERR_MSG_MOD(extack, "VCAP already enabled");
+		return -EOPNOTSUPP;
+	}
+
+	if (err) {
+		NL_SET_ERR_MSG_MOD(extack, "Could not enable VCAP lookups");
+		return err;
+	}
+
+	return 0;
+}
+
+int lan966x_goto_port_del(struct lan966x_port *port,
+			  unsigned long goto_id,
+			  struct netlink_ext_ack *extack)
+{
+	struct lan966x *lan966x = port->lan966x;
+	int err;
+
+	err = vcap_enable_lookups(lan966x->vcap_ctrl, port->dev, 0, 0,
+				  goto_id, false);
+	if (err) {
+		NL_SET_ERR_MSG_MOD(extack, "Could not disable VCAP lookups");
+		return err;
+	}
+
+	return 0;
+}