shared: Introduce bridge util

src/shared/bridge-util.c

@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include "bridge-util.h"
+#include "string-table.h"
+
+static const char* const bridge_state_table[_NETDEV_BRIDGE_STATE_MAX] = {
+        [NETDEV_BRIDGE_STATE_DISABLED]   = "disabled",
+        [NETDEV_BRIDGE_STATE_LISTENING]  = "listening",
+        [NETDEV_BRIDGE_STATE_LEARNING]  = "learning",
+        [NETDEV_BRIDGE_STATE_FORWARDING] = "forwading",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(bridge_state, BridgeState);