diff --git a/buffet/privet/wifi_delegate.h b/buffet/privet/wifi_delegate.h
new file mode 100644
index 0000000..f350652
--- /dev/null
+++ b/buffet/privet/wifi_delegate.h
@@ -0,0 +1,55 @@
+// Copyright 2014 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef BUFFET_PRIVET_WIFI_DELEGATE_H_
+#define BUFFET_PRIVET_WIFI_DELEGATE_H_
+
+#include <memory>
+#include <set>
+#include <string>
+
+#include "buffet/privet/privet_types.h"
+
+namespace privetd {
+
+enum class WifiType {
+  kWifi24,
+  kWifi50,
+};
+
+// Interface to provide WiFi functionality for PrivetHandler.
+class WifiDelegate {
+ public:
+  WifiDelegate() = default;
+  virtual ~WifiDelegate() = default;
+
+  // Returns status of the WiFi connection.
+  virtual const ConnectionState& GetConnectionState() const = 0;
+
+  // Returns status of the last WiFi setup.
+  virtual const SetupState& GetSetupState() const = 0;
+
+  // Starts WiFi setup. Device should try to connect to provided SSID and
+  // password and store them on success. Result of setup should be available
+  // using GetSetupState().
+  // Final setup state can be retrieved with GetSetupState().
+  virtual bool ConfigureCredentials(const std::string& ssid,
+                                    const std::string& password,
+                                    chromeos::ErrorPtr* error) = 0;
+
+  // Returns SSID of the currently configured WiFi network. Empty string, if
+  // WiFi has not been configured yet.
+  virtual std::string GetCurrentlyConnectedSsid() const = 0;
+
+  // Returns SSID of the WiFi network hosted by this device. Empty if device is
+  // not in setup or P2P modes.
+  virtual std::string GetHostedSsid() const = 0;
+
+  // Returns list of supported WiFi types. Currently it's just frequencies.
+  virtual std::set<WifiType> GetTypes() const = 0;
+};
+
+}  // namespace privetd
+
+#endif  // BUFFET_PRIVET_WIFI_DELEGATE_H_