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-rw-r--r--lib/vlan.h21
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diff --git a/lib/vlan.h b/lib/vlan.h
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+// SPDX-License-Identifier: GPL-2.0-or-later
+/* VLAN (802.1q) common header.
+ * Copyright (C) 2016, 2017 Cumulus Networks, Inc.
+ */
+
+#ifndef __VLAN_H__
+#define __VLAN_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* VLAN Identifier */
+typedef uint16_t vlanid_t;
+#define VLANID_MAX 4095
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __VLAN_H__ */