lib: Add int encoder/decoder

[mirror_frr.git] / lib / vxlan.h

diff --git a/lib/vxlan.h b/lib/vxlan.h
index 75c7b9734789ae255d66e1ae3ec58ee68c73ca99..62963a6097d4c677668cc5a53ae2433fcbb5cf6c 100644 (file)
--- a/lib/vxlan.h
+++ b/lib/vxlan.h
@@ -22,8 +22,37 @@
 #ifndef __VXLAN_H__
 #define __VXLAN_H__
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* EVPN MH DF election alogorithm */
+#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 u_int32_t vni_t;
+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__ */