diff --git a/wireguard/gateway.proto b/wireguard/gateway.proto
index 034ac00..aac7e14 100644
--- a/wireguard/gateway.proto
+++ b/wireguard/gateway.proto
@@ -92,16 +92,25 @@ service Gateway {
   rpc Bidi(stream CoreResponse) returns (stream CoreRequest);
 }
 
-message InitialSetupInfo {
+message DerPayload {
+  bytes der_data = 1;
+}
+
+message CertificateInfo {
   string cert_hostname = 1;
 }
 
-message DerPayload {
-  bytes der_data = 1;
+message LogEntry {
+  string level = 1;
+  string target = 2;
+  string message = 3;
+  string timestamp = 4;
+  map<string, string> fields = 5;
 }
 
 // Service used for initial Gateway setup, for configuring TLS certificate on Gateway for gRPC communication.
 service GatewaySetup {
-  rpc Start(InitialSetupInfo) returns (DerPayload);
+  rpc Start(google.protobuf.Empty) returns (stream LogEntry);
+  rpc GetCsr(CertificateInfo) returns (DerPayload);
   rpc SendCert(DerPayload) returns (google.protobuf.Empty);
 }