1 files changed, 21 insertions, 2 deletions
diff --git a/protocol.h b/protocol.h
index 47199cd..2edb942 100644
--- a/protocol.h
+++ b/protocol.h
@@ -3,7 +3,26 @@
  * Copyright (C) 2018 Wireguard LLC
  */
 
-#ifndef NEGOTIATION_H
-#define NEGOTIATION_H
+#ifndef PROTOCOL_H
+#define PROTOCOL_H
+
+#include <stdint.h>
+
+/* possible types of requests the client can make */
+enum wg_client_request = { WG_MINIMAL = 0 };
+
+/* client request message */
+struct wg_client_message {
+	uint32_t request; /* what type of request to make */
+};
+
+/* server request message */
+struct wg_server_message {
+	uint32_t leased_ip; /* dynamic IP leased to client */
+	uint32_t leased_ip_cidr; /* CIDR of dynamic IP leased to client */
+	uint32_t lease_timeout; /* activity timeout for the IP lease in seconds */
+	uint32_t route; /* route for client */
+	uint32_t route_cidr; /* CIDR of route for client */
+};
 
 #endif