ovn-controller: Support multiple encaps simultaneously.

[cascardo/ovs.git] / ovn / controller / ovn-controller.h

diff --git a/ovn/controller/ovn-controller.h b/ovn/controller/ovn-controller.h
index 9766bc3..ded7fce 100644 (file)
--- a/ovn/controller/ovn-controller.h
+++ b/ovn/controller/ovn-controller.h
@@ -17,8 +17,12 @@
 #ifndef OVN_CONTROLLER_H
 #define OVN_CONTROLLER_H 1
 
+#include "simap.h"
 #include "ovn/lib/ovn-sb-idl.h"
 
+/* Linux supports a maximum of 64K zones, which seems like a fine default. */
+#define MAX_CT_ZONES 65535
+
 struct controller_ctx {
     struct ovsdb_idl *ovnsb_idl;
     struct ovsdb_idl_txn *ovnsb_idl_txn;
@@ -30,4 +34,15 @@ struct controller_ctx {
 const struct sbrec_chassis *get_chassis(struct ovsdb_idl *,
                                         const char *chassis_id);
 
+/* Must be a bit-field ordered from most-preferred (higher number) to
+ * least-preferred (lower number). */
+enum chassis_tunnel_type {
+    GENEVE = 1 << 2,
+    STT    = 1 << 1,
+    VXLAN  = 1 << 0
+};
+
+uint32_t get_tunnel_type(const char *name);
+
+
 #endif /* ovn/ovn-controller.h */