1 files changed, 42 insertions, 0 deletions
diff --git a/lib/vxlan.h b/lib/vxlan.h
new file mode 100644
index 0000000..65ff08e
--- /dev/null
+++ b/lib/vxlan.h
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* VxLAN common header.
+ * Copyright (C) 2016, 2017 Cumulus Networks, Inc.
+ */
+
+#ifndef __VXLAN_H__
+#define __VXLAN_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* EVPN MH DF election algorithm */
+#define EVPN_MH_DF_ALG_SERVICE_CARVING 0
+#define EVPN_MH_DF_ALG_HRW 1
+#define EVPN_MH_DF_ALG_PREF 2
+
+/* preference range for DF election */
+#define EVPN_MH_DF_PREF_MIN 0
+#define EVPN_MH_DF_PREF_DEFAULT 32767
+#define EVPN_MH_DF_PREF_MAX 65535
+
+/* VxLAN Network Identifier - 24-bit (RFC 7348) */
+typedef uint32_t vni_t;
+#define VNI_MAX 16777215 /* (2^24 - 1) */
+
+/* Flooding mechanisms for BUM packets. */
+/* Currently supported mechanisms are head-end (ingress) replication
+ * (which is the default) and no flooding. Future options could be
+ * using PIM-SM, PIM-Bidir etc.
+ */
+enum vxlan_flood_control {
+	VXLAN_FLOOD_HEAD_END_REPL = 0,
+	VXLAN_FLOOD_DISABLED,
+	VXLAN_FLOOD_PIM_SM,
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __VXLAN_H__ */