diff --git a/wifi/1.0/default/wifi_rtt_controller.cpp b/wifi/1.0/default/wifi_rtt_controller.cpp
index b7eab89..dbe836b 100644
--- a/wifi/1.0/default/wifi_rtt_controller.cpp
+++ b/wifi/1.0/default/wifi_rtt_controller.cpp
@@ -34,6 +34,7 @@
 
 void WifiRttController::invalidate() {
   legacy_hal_.reset();
+  event_callbacks_.clear();
   is_valid_ = false;
 }
 
@@ -48,11 +49,226 @@
                          hidl_status_cb);
 }
 
+Return<void> WifiRttController::registerEventCallback(
+    const sp<IWifiRttControllerEventCallback>& callback,
+    registerEventCallback_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
+                         &WifiRttController::registerEventCallbackInternal,
+                         hidl_status_cb,
+                         callback);
+}
+
+Return<void> WifiRttController::rangeRequest(
+    uint32_t cmd_id,
+    const hidl_vec<RttConfig>& rtt_configs,
+    rangeRequest_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
+                         &WifiRttController::rangeRequestInternal,
+                         hidl_status_cb,
+                         cmd_id,
+                         rtt_configs);
+}
+
+Return<void> WifiRttController::rangeCancel(
+    uint32_t cmd_id,
+    const hidl_vec<hidl_array<uint8_t, 6>>& addrs,
+    rangeCancel_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
+                         &WifiRttController::rangeCancelInternal,
+                         hidl_status_cb,
+                         cmd_id,
+                         addrs);
+}
+
+Return<void> WifiRttController::setChannelMap(uint32_t cmd_id,
+                                              const RttChannelMap& params,
+                                              uint32_t num_dw,
+                                              setChannelMap_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
+                         &WifiRttController::setChannelMapInternal,
+                         hidl_status_cb,
+                         cmd_id,
+                         params,
+                         num_dw);
+}
+
+Return<void> WifiRttController::clearChannelMap(
+    uint32_t cmd_id, clearChannelMap_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
+                         &WifiRttController::clearChannelMapInternal,
+                         hidl_status_cb,
+                         cmd_id);
+}
+
+Return<void> WifiRttController::getCapabilities(
+    getCapabilities_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
+                         &WifiRttController::getCapabilitiesInternal,
+                         hidl_status_cb);
+}
+
+Return<void> WifiRttController::setDebugCfg(RttDebugType type,
+                                            setDebugCfg_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
+                         &WifiRttController::setDebugCfgInternal,
+                         hidl_status_cb,
+                         type);
+}
+
+Return<void> WifiRttController::getDebugInfo(getDebugInfo_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
+                         &WifiRttController::getDebugInfoInternal,
+                         hidl_status_cb);
+}
+
+Return<void> WifiRttController::setLci(uint32_t cmd_id,
+                                       const RttLciInformation& lci,
+                                       setLci_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
+                         &WifiRttController::setLciInternal,
+                         hidl_status_cb,
+                         cmd_id,
+                         lci);
+}
+
+Return<void> WifiRttController::setLcr(uint32_t cmd_id,
+                                       const RttLcrInformation& lcr,
+                                       setLcr_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
+                         &WifiRttController::setLcrInternal,
+                         hidl_status_cb,
+                         cmd_id,
+                         lcr);
+}
+
+Return<void> WifiRttController::getResponderInfo(
+    getResponderInfo_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
+                         &WifiRttController::getResponderInfoInternal,
+                         hidl_status_cb);
+}
+
+Return<void> WifiRttController::enableResponder(
+    uint32_t cmd_id,
+    const WifiChannelInfo& channel_hint,
+    uint32_t maxDurationSeconds,
+    const RttResponder& info,
+    enableResponder_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
+                         &WifiRttController::enableResponderInternal,
+                         hidl_status_cb,
+                         cmd_id,
+                         channel_hint,
+                         maxDurationSeconds,
+                         info);
+}
+
+Return<void> WifiRttController::disableResponder(
+    uint32_t cmd_id, disableResponder_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_RTT_CONTROLLER_INVALID,
+                         &WifiRttController::disableResponderInternal,
+                         hidl_status_cb,
+                         cmd_id);
+}
+
 std::pair<WifiStatus, sp<IWifiIface>>
 WifiRttController::getBoundIfaceInternal() {
   return {createWifiStatus(WifiStatusCode::SUCCESS), bound_iface_};
 }
 
+WifiStatus WifiRttController::registerEventCallbackInternal(
+    const sp<IWifiRttControllerEventCallback>& callback) {
+  // TODO(b/31632518): remove the callback when the client is destroyed
+  event_callbacks_.emplace_back(callback);
+  return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+WifiStatus WifiRttController::rangeRequestInternal(
+    uint32_t /* cmd_id */, const std::vector<RttConfig>& /* rtt_configs */) {
+  // TODO implement
+  return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+WifiStatus WifiRttController::rangeCancelInternal(
+    uint32_t /* cmd_id */,
+    const std::vector<hidl_array<uint8_t, 6>>& /* addrs */) {
+  // TODO implement
+  return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+WifiStatus WifiRttController::setChannelMapInternal(
+    uint32_t /* cmd_id */,
+    const RttChannelMap& /* params */,
+    uint32_t /* num_dw */) {
+  // TODO implement
+  return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+WifiStatus WifiRttController::clearChannelMapInternal(uint32_t /* cmd_id */) {
+  // TODO implement
+  return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+std::pair<WifiStatus, RttCapabilities>
+WifiRttController::getCapabilitiesInternal() {
+  // TODO implement
+  return {createWifiStatus(WifiStatusCode::SUCCESS), {}};
+}
+
+WifiStatus WifiRttController::setDebugCfgInternal(RttDebugType /* type */) {
+  // TODO implement
+  return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+std::pair<WifiStatus, RttDebugInfo> WifiRttController::getDebugInfoInternal() {
+  // TODO implement
+  return {createWifiStatus(WifiStatusCode::SUCCESS), {}};
+}
+
+WifiStatus WifiRttController::setLciInternal(
+    uint32_t /* cmd_id */, const RttLciInformation& /* lci */) {
+  // TODO implement
+  return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+WifiStatus WifiRttController::setLcrInternal(
+    uint32_t /* cmd_id */, const RttLcrInformation& /* lcr */) {
+  // TODO implement
+  return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+std::pair<WifiStatus, RttResponder>
+WifiRttController::getResponderInfoInternal() {
+  // TODO implement
+  return {createWifiStatus(WifiStatusCode::SUCCESS), {}};
+}
+
+WifiStatus WifiRttController::enableResponderInternal(
+    uint32_t /* cmd_id */,
+    const WifiChannelInfo& /* channel_hint */,
+    uint32_t /* maxDurationSeconds */,
+    const RttResponder& /* info */) {
+  // TODO implement
+  return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+WifiStatus WifiRttController::disableResponderInternal(uint32_t /* cmd_id */) {
+  // TODO implement
+  return createWifiStatus(WifiStatusCode::SUCCESS);
+}
 }  // namespace implementation
 }  // namespace V1_0
 }  // namespace wifi
diff --git a/wifi/1.0/default/wifi_rtt_controller.h b/wifi/1.0/default/wifi_rtt_controller.h
index afb6a00..5ebd4bc 100644
--- a/wifi/1.0/default/wifi_rtt_controller.h
+++ b/wifi/1.0/default/wifi_rtt_controller.h
@@ -20,6 +20,7 @@
 #include <android-base/macros.h>
 #include <android/hardware/wifi/1.0/IWifiIface.h>
 #include <android/hardware/wifi/1.0/IWifiRttController.h>
+#include <android/hardware/wifi/1.0/IWifiRttControllerEventCallback.h>
 
 #include "wifi_legacy_hal.h"
 
@@ -42,13 +43,68 @@
 
   // HIDL methods exposed.
   Return<void> getBoundIface(getBoundIface_cb hidl_status_cb) override;
+  Return<void> registerEventCallback(
+      const sp<IWifiRttControllerEventCallback>& callback,
+      registerEventCallback_cb hidl_status_cb) override;
+  Return<void> rangeRequest(uint32_t cmd_id,
+                            const hidl_vec<RttConfig>& rtt_configs,
+                            rangeRequest_cb hidl_status_cb) override;
+  Return<void> rangeCancel(uint32_t cmd_id,
+                           const hidl_vec<hidl_array<uint8_t, 6>>& addrs,
+                           rangeCancel_cb hidl_status_cb) override;
+  Return<void> setChannelMap(uint32_t cmd_id,
+                             const RttChannelMap& params,
+                             uint32_t num_dw,
+                             setChannelMap_cb hidl_status_cb) override;
+  Return<void> clearChannelMap(uint32_t cmd_id,
+                               clearChannelMap_cb hidl_status_cb) override;
+  Return<void> getCapabilities(getCapabilities_cb hidl_status_cb) override;
+  Return<void> setDebugCfg(RttDebugType type,
+                           setDebugCfg_cb hidl_status_cb) override;
+  Return<void> getDebugInfo(getDebugInfo_cb hidl_status_cb) override;
+  Return<void> setLci(uint32_t cmd_id,
+                      const RttLciInformation& lci,
+                      setLci_cb hidl_status_cb) override;
+  Return<void> setLcr(uint32_t cmd_id,
+                      const RttLcrInformation& lcr,
+                      setLcr_cb hidl_status_cb) override;
+  Return<void> getResponderInfo(getResponderInfo_cb hidl_status_cb) override;
+  Return<void> enableResponder(uint32_t cmd_id,
+                               const WifiChannelInfo& channel_hint,
+                               uint32_t maxDurationSeconds,
+                               const RttResponder& info,
+                               enableResponder_cb hidl_status_cb) override;
+  Return<void> disableResponder(uint32_t cmd_id,
+                                disableResponder_cb hidl_status_cb) override;
 
  private:
   // Corresponding worker functions for the HIDL methods.
   std::pair<WifiStatus, sp<IWifiIface>> getBoundIfaceInternal();
+  WifiStatus registerEventCallbackInternal(
+      const sp<IWifiRttControllerEventCallback>& callback);
+  WifiStatus rangeRequestInternal(uint32_t cmd_id,
+                                  const std::vector<RttConfig>& rtt_configs);
+  WifiStatus rangeCancelInternal(
+      uint32_t cmd_id, const std::vector<hidl_array<uint8_t, 6>>& addrs);
+  WifiStatus setChannelMapInternal(uint32_t cmd_id,
+                                   const RttChannelMap& params,
+                                   uint32_t num_dw);
+  WifiStatus clearChannelMapInternal(uint32_t cmd_id);
+  std::pair<WifiStatus, RttCapabilities> getCapabilitiesInternal();
+  WifiStatus setDebugCfgInternal(RttDebugType type);
+  std::pair<WifiStatus, RttDebugInfo> getDebugInfoInternal();
+  WifiStatus setLciInternal(uint32_t cmd_id, const RttLciInformation& lci);
+  WifiStatus setLcrInternal(uint32_t cmd_id, const RttLcrInformation& lcr);
+  std::pair<WifiStatus, RttResponder> getResponderInfoInternal();
+  WifiStatus enableResponderInternal(uint32_t cmd_id,
+                                     const WifiChannelInfo& channel_hint,
+                                     uint32_t maxDurationSeconds,
+                                     const RttResponder& info);
+  WifiStatus disableResponderInternal(uint32_t cmd_id);
 
   sp<IWifiIface> bound_iface_;
   std::weak_ptr<WifiLegacyHal> legacy_hal_;
+  std::vector<sp<IWifiRttControllerEventCallback>> event_callbacks_;
   bool is_valid_;
 
   DISALLOW_COPY_AND_ASSIGN(WifiRttController);