diff --git a/wifi/1.0/default/hidl_struct_util.cpp b/wifi/1.0/default/hidl_struct_util.cpp
index a94d812..9cc57bb 100644
--- a/wifi/1.0/default/hidl_struct_util.cpp
+++ b/wifi/1.0/default/hidl_struct_util.cpp
@@ -743,123 +743,10 @@
   CHECK(false);
 }
 
-legacy_hal::NanPublishType convertHidlNanPublishTypeToLegacy(
-    NanPublishType type) {
-  switch (type) {
-    case NanPublishType::UNSOLICITED:
-      return legacy_hal::NAN_PUBLISH_TYPE_UNSOLICITED;
-    case NanPublishType::SOLICITED:
-      return legacy_hal::NAN_PUBLISH_TYPE_SOLICITED;
-    case NanPublishType::UNSOLICITED_SOLICITED:
-      return legacy_hal::NAN_PUBLISH_TYPE_UNSOLICITED_SOLICITED;
-  };
-  CHECK(false);
-}
-
-legacy_hal::NanTxType convertHidlNanTxTypeToLegacy(NanTxType type) {
-  switch (type) {
-    case NanTxType::BROADCAST:
-      return legacy_hal::NAN_TX_TYPE_BROADCAST;
-    case NanTxType::UNICAST:
-      return legacy_hal::NAN_TX_TYPE_UNICAST;
-  };
-  CHECK(false);
-}
-
-legacy_hal::NanMatchAlg convertHidlNanMatchAlgToLegacy(NanMatchAlg type) {
-  switch (type) {
-    case NanMatchAlg::MATCH_ONCE:
-      return legacy_hal::NAN_MATCH_ALG_MATCH_ONCE;
-    case NanMatchAlg::MATCH_CONTINUOUS:
-      return legacy_hal::NAN_MATCH_ALG_MATCH_CONTINUOUS;
-    case NanMatchAlg::MATCH_NEVER:
-      return legacy_hal::NAN_MATCH_ALG_MATCH_NEVER;
-  };
-  CHECK(false);
-}
-
-legacy_hal::NanSubscribeType convertHidlNanSubscribeTypeToLegacy(
-    NanSubscribeType type) {
-  switch (type) {
-    case NanSubscribeType::ACTIVE:
-      return legacy_hal::NAN_SUBSCRIBE_TYPE_ACTIVE;
-    case NanSubscribeType::PASSIVE:
-      return legacy_hal::NAN_SUBSCRIBE_TYPE_PASSIVE;
-  };
-  CHECK(false);
-}
-
-legacy_hal::NanSRFType convertHidlNanSrfTypeToLegacy(NanSrfType type) {
-  switch (type) {
-    case NanSrfType::BLOOM_FILTER:
-      return legacy_hal::NAN_SRF_ATTR_BLOOM_FILTER;
-    case NanSrfType::PARTIAL_MAC_ADDR:
-      return legacy_hal::NAN_SRF_ATTR_PARTIAL_MAC_ADDR;
-  };
-  CHECK(false);
-}
-
-legacy_hal::NanSRFIncludeType convertHidlNanSrfIncludeTypeToLegacy(
-    NanSrfIncludeType type) {
-  switch (type) {
-    case NanSrfIncludeType::DO_NOT_RESPOND:
-      return legacy_hal::NAN_SRF_INCLUDE_DO_NOT_RESPOND;
-    case NanSrfIncludeType::RESPOND:
-      return legacy_hal::NAN_SRF_INCLUDE_RESPOND;
-  };
-  CHECK(false);
-}
-
 NanStatusType convertLegacyNanStatusTypeToHidl(
-    legacy_hal::NanStatusType /* type */) {
-  // TODO: The |NanStatusType| has changed in legacy HAL and no longer in sync
-  // with the HIDL interface.
-  return NanStatusType::SUCCESS;
-}
-
-NanResponseType convertLegacyNanResponseTypeToHidl(
-    legacy_hal::NanResponseType type) {
-  switch (type) {
-    case legacy_hal::NAN_RESPONSE_ENABLED:
-      return NanResponseType::ENABLED;
-    case legacy_hal::NAN_RESPONSE_DISABLED:
-      return NanResponseType::DISABLED;
-    case legacy_hal::NAN_RESPONSE_PUBLISH:
-      return NanResponseType::PUBLISH;
-    case legacy_hal::NAN_RESPONSE_PUBLISH_CANCEL:
-      return NanResponseType::PUBLISH_CANCEL;
-    case legacy_hal::NAN_RESPONSE_TRANSMIT_FOLLOWUP:
-      return NanResponseType::TRANSMIT_FOLLOWUP;
-    case legacy_hal::NAN_RESPONSE_SUBSCRIBE:
-      return NanResponseType::SUBSCRIBE;
-    case legacy_hal::NAN_RESPONSE_SUBSCRIBE_CANCEL:
-      return NanResponseType::SUBSCRIBE_CANCEL;
-    case legacy_hal::NAN_RESPONSE_STATS:
-      // Not present in HIDL. Is going to be deprecated in legacy HAL as well.
-      CHECK(0);
-    case legacy_hal::NAN_RESPONSE_CONFIG:
-      return NanResponseType::CONFIG;
-    case legacy_hal::NAN_RESPONSE_TCA:
-      // Not present in HIDL. Is going to be deprecated in legacy HAL as well.
-      CHECK(0);
-    case legacy_hal::NAN_RESPONSE_ERROR:
-      return NanResponseType::ERROR;
-    case legacy_hal::NAN_RESPONSE_BEACON_SDF_PAYLOAD:
-      return NanResponseType::BEACON_SDF_PAYLOAD;
-    case legacy_hal::NAN_GET_CAPABILITIES:
-      return NanResponseType::GET_CAPABILITIES;
-    case legacy_hal::NAN_DP_INTERFACE_CREATE:
-      return NanResponseType::DP_INTERFACE_CREATE;
-    case legacy_hal::NAN_DP_INTERFACE_DELETE:
-      return NanResponseType::DP_INTERFACE_DELETE;
-    case legacy_hal::NAN_DP_INITIATOR_RESPONSE:
-      return NanResponseType::DP_INITIATOR_RESPONSE;
-    case legacy_hal::NAN_DP_RESPONDER_RESPONSE:
-      return NanResponseType::DP_RESPONDER_RESPONSE;
-    case legacy_hal::NAN_DP_END:
-      return NanResponseType::DP_END;
-  };
-  CHECK(false) << "Unknown legacy type: " << type;
+    legacy_hal::NanStatusType type) {
+  // values are identical - may need to do a mapping if they diverge in the future
+  return (NanStatusType) type;
 }
 
 bool convertHidlNanEnableRequestToLegacy(
@@ -868,79 +755,123 @@
   if (!legacy_request) {
     return false;
   }
-  legacy_request->master_pref = hidl_request.masterPref;
-  legacy_request->cluster_low = hidl_request.clusterLow;
-  legacy_request->cluster_high = hidl_request.clusterHigh;
-  legacy_request->config_support_5g = hidl_request.validSupport5gVal;
-  legacy_request->support_5g_val = hidl_request.support5gVal;
-  legacy_request->config_sid_beacon = hidl_request.validSidBeaconVal;
-  legacy_request->sid_beacon_val = hidl_request.sidBeaconVal;
-  legacy_request->config_2dot4g_rssi_close =
-      hidl_request.valid2dot4gRssiCloseVal;
-  legacy_request->rssi_close_2dot4g_val = hidl_request.rssiClose2dot4gVal;
-  legacy_request->config_2dot4g_rssi_middle =
-      hidl_request.valid2dot4gRssiMiddleVal;
-  legacy_request->rssi_middle_2dot4g_val = hidl_request.rssiMiddle2dot4gVal;
-  legacy_request->config_2dot4g_rssi_proximity =
-      hidl_request.valid2dot4gRssiProximityVal;
+  memset(legacy_request, 0, sizeof(legacy_hal::NanEnableRequest));
+
+  // TODO: b/34059183 tracks missing configurations in legacy HAL or uknown defaults
+  legacy_request->config_2dot4g_support = 1;
+  legacy_request->support_2dot4g_val = hidl_request.operateInBand[
+        (size_t) NanBandIndex::NAN_BAND_24GHZ];
+  legacy_request->config_support_5g = 1;
+  legacy_request->support_5g_val = hidl_request.operateInBand[(size_t) NanBandIndex::NAN_BAND_5GHZ];
+  legacy_request->config_hop_count_limit = 0; // TODO: don't know default yet
+  legacy_request->hop_count_limit_val = hidl_request.hopCountMax;
+  legacy_request->master_pref = hidl_request.configParams.masterPref;
+  legacy_request->discovery_indication_cfg = 0;
+  legacy_request->discovery_indication_cfg |=
+        hidl_request.configParams.disableDiscoveryAddressChangeIndication ? 0x1 : 0x0;
+  legacy_request->discovery_indication_cfg |=
+        hidl_request.configParams.disableStartedClusterIndication ? 0x2 : 0x0;
+  legacy_request->discovery_indication_cfg |=
+        hidl_request.configParams.disableJoinedClusterIndication ? 0x4 : 0x0;
+  legacy_request->config_sid_beacon = 1;
+  if (hidl_request.configParams.numberOfServiceIdsInBeacon > 127) {
+    return false;
+  }
+  legacy_request->sid_beacon_val = (hidl_request.configParams.includeServiceIdsInBeacon ? 0x1 : 0x0)
+        | (hidl_request.configParams.numberOfServiceIdsInBeacon << 1);
+  legacy_request->config_rssi_window_size = 0; // TODO: don't know default yet
+  legacy_request->rssi_window_size_val = hidl_request.configParams.rssiWindowSize;
+  legacy_request->config_disc_mac_addr_randomization = 1;
+  legacy_request->disc_mac_addr_rand_interval_sec =
+        hidl_request.configParams.macAddressRandomizationIntervalSec;
+  legacy_request->config_responder_auto_response = 1;
+  legacy_request->ranging_auto_response_cfg = hidl_request.configParams.acceptRangingRequests ?
+       legacy_hal::NAN_RANGING_AUTO_RESPONSE_ENABLE : legacy_hal::NAN_RANGING_AUTO_RESPONSE_DISABLE;
+  legacy_request->config_2dot4g_rssi_close = 0; // TODO: don't know default yet
+  legacy_request->rssi_close_2dot4g_val =
+        hidl_request.configParams.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_24GHZ].rssiClose;
+  legacy_request->config_2dot4g_rssi_middle = 0; // TODO: don't know default yet
+  legacy_request->rssi_middle_2dot4g_val =
+        hidl_request.configParams.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_24GHZ].rssiMiddle;
+  legacy_request->config_2dot4g_rssi_proximity = 0; // TODO: don't know default yet
   legacy_request->rssi_proximity_2dot4g_val =
-      hidl_request.rssiProximity2dot4gVal;
-  legacy_request->config_hop_count_limit = hidl_request.validHopCountLimitVal;
-  legacy_request->hop_count_limit_val = hidl_request.hopCountLimitVal;
-  legacy_request->config_2dot4g_support = hidl_request.valid2dot4gSupportVal;
-  legacy_request->support_2dot4g_val = hidl_request.support2dot4gVal;
-  legacy_request->config_2dot4g_beacons = hidl_request.valid2dot4gBeaconsVal;
-  legacy_request->beacon_2dot4g_val = hidl_request.beacon2dot4gVal;
-  legacy_request->config_2dot4g_sdf = hidl_request.valid2dot4gSdfVal;
-  legacy_request->sdf_2dot4g_val = hidl_request.sdf2dot4gVal;
-  legacy_request->config_5g_beacons = hidl_request.valid5gBeaconsVal;
-  legacy_request->beacon_5g_val = hidl_request.beacon5gVal;
-  legacy_request->config_5g_sdf = hidl_request.valid5gSdfVal;
-  legacy_request->sdf_5g_val = hidl_request.sdf5gVal;
-  legacy_request->config_5g_rssi_close = hidl_request.valid5gRssiCloseVal;
-  legacy_request->rssi_close_5g_val = hidl_request.rssiClose5gVal;
-  legacy_request->config_5g_rssi_middle = hidl_request.valid5gRssiMiddleVal;
-  legacy_request->rssi_middle_5g_val = hidl_request.rssiMiddle5gVal;
-  legacy_request->config_5g_rssi_close_proximity =
-      hidl_request.valid5gRssiCloseProximityVal;
+        hidl_request.configParams.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_24GHZ].rssiProximity;
+  legacy_request->config_scan_params = 0; // TODO: don't know default yet
+  legacy_request->scan_params_val.dwell_time[legacy_hal::NAN_CHANNEL_24G_BAND] =
+        hidl_request.configParams.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_24GHZ].dwellTimeMs;
+  legacy_request->scan_params_val.scan_period[legacy_hal::NAN_CHANNEL_24G_BAND] =
+        hidl_request.configParams.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_24GHZ].scanPeriodSec;
+  legacy_request->config_dw.config_2dot4g_dw_band = hidl_request.configParams
+        .bandSpecificConfig[(size_t) NanBandIndex::NAN_BAND_24GHZ].validDiscoveryWindowIntervalVal;
+  legacy_request->config_dw.dw_2dot4g_interval_val = hidl_request.configParams
+        .bandSpecificConfig[(size_t) NanBandIndex::NAN_BAND_24GHZ].discoveryWindowIntervalVal;
+  legacy_request->config_5g_rssi_close = 0; // TODO: don't know default yet
+  legacy_request->rssi_close_5g_val =
+        hidl_request.configParams.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_5GHZ].rssiClose;
+  legacy_request->config_5g_rssi_middle = 0; // TODO: don't know default yet
+  legacy_request->rssi_middle_5g_val =
+        hidl_request.configParams.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_5GHZ].rssiMiddle;
+  legacy_request->config_5g_rssi_close_proximity = 0; // TODO: don't know default yet
   legacy_request->rssi_close_proximity_5g_val =
-      hidl_request.rssiCloseProximity5gVal;
-  legacy_request->config_rssi_window_size = hidl_request.validRssiWindowSizeVal;
-  legacy_request->rssi_window_size_val = hidl_request.rssiWindowSizeVal;
-  legacy_request->config_oui = hidl_request.validOuiVal;
-  legacy_request->oui_val = hidl_request.ouiVal;
-  legacy_request->config_intf_addr = hidl_request.validIntfAddrVal;
-  CHECK(hidl_request.intfAddrVal.size() ==
-        sizeof(legacy_request->intf_addr_val));
-  memcpy(legacy_request->intf_addr_val,
-         hidl_request.intfAddrVal.data(),
-         hidl_request.intfAddrVal.size());
-  legacy_request->config_cluster_attribute_val =
-      hidl_request.configClusterAttributeVal;
-  legacy_request->config_scan_params = hidl_request.validScanParamsVal;
-  if (hidl_request.scanParamsVal.dwellTime.size() >
-      sizeof(legacy_request->scan_params_val.dwell_time)) {
-    return false;
+        hidl_request.configParams.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_5GHZ].rssiProximity;
+  legacy_request->scan_params_val.dwell_time[legacy_hal::NAN_CHANNEL_5G_BAND_LOW] =
+        hidl_request.configParams.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_5GHZ].dwellTimeMs;
+  legacy_request->scan_params_val.scan_period[legacy_hal::NAN_CHANNEL_5G_BAND_LOW] =
+        hidl_request.configParams.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_5GHZ].scanPeriodSec;
+  legacy_request->scan_params_val.dwell_time[legacy_hal::NAN_CHANNEL_5G_BAND_HIGH] =
+        hidl_request.configParams.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_5GHZ].dwellTimeMs;
+  legacy_request->scan_params_val.scan_period[legacy_hal::NAN_CHANNEL_5G_BAND_HIGH] =
+        hidl_request.configParams.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_5GHZ].scanPeriodSec;
+  legacy_request->config_dw.config_5g_dw_band = hidl_request.configParams
+        .bandSpecificConfig[(size_t) NanBandIndex::NAN_BAND_5GHZ].validDiscoveryWindowIntervalVal;
+  legacy_request->config_dw.dw_5g_interval_val = hidl_request.configParams
+        .bandSpecificConfig[(size_t) NanBandIndex::NAN_BAND_5GHZ].discoveryWindowIntervalVal;
+  if (hidl_request.debugConfigs.validClusterIdVals) {
+    legacy_request->cluster_low = hidl_request.debugConfigs.clusterIdLowVal;
+    legacy_request->cluster_high = hidl_request.debugConfigs.clusterIdHighVal;
+  } else { // need 'else' since not configurable in legacy HAL
+    legacy_request->cluster_low = 0x0000;
+    legacy_request->cluster_high = 0xFFFF;
   }
-  memcpy(legacy_request->scan_params_val.dwell_time,
-         hidl_request.scanParamsVal.dwellTime.data(),
-         hidl_request.scanParamsVal.dwellTime.size());
-  if (hidl_request.scanParamsVal.scanPeriod.size() >
-      sizeof(legacy_request->scan_params_val.scan_period)) {
-    return false;
-  }
-  memcpy(legacy_request->scan_params_val.scan_period,
-         hidl_request.scanParamsVal.scanPeriod.data(),
-         hidl_request.scanParamsVal.scanPeriod.size());
-  legacy_request->config_random_factor_force =
-      hidl_request.validRandomFactorForceVal;
-  legacy_request->random_factor_force_val = hidl_request.randomFactorForceVal;
-  legacy_request->config_hop_count_force = hidl_request.validHopCountLimitVal;
-  legacy_request->hop_count_force_val = hidl_request.hopCountLimitVal;
-  legacy_request->config_24g_channel = hidl_request.valid24gChannelVal;
-  legacy_request->channel_24g_val = hidl_request.channel24gVal;
-  legacy_request->config_5g_channel = hidl_request.valid5gChannelVal;
-  legacy_request->channel_5g_val = hidl_request.channel5gVal;
+  legacy_request->config_intf_addr = hidl_request.debugConfigs.validIntfAddrVal;
+  memcpy(legacy_request->intf_addr_val, hidl_request.debugConfigs.intfAddrVal.data(), 6);
+  legacy_request->config_oui = hidl_request.debugConfigs.validOuiVal;
+  legacy_request->oui_val = hidl_request.debugConfigs.ouiVal;
+  legacy_request->config_random_factor_force = hidl_request.debugConfigs.validRandomFactorForceVal;
+  legacy_request->random_factor_force_val = hidl_request.debugConfigs.randomFactorForceVal;
+  legacy_request->config_hop_count_force = hidl_request.debugConfigs.validHopCountForceVal;
+  legacy_request->hop_count_force_val = hidl_request.debugConfigs.hopCountForceVal;
+  legacy_request->config_24g_channel = hidl_request.debugConfigs.validDiscoveryChannelVal;
+  legacy_request->channel_24g_val =
+        hidl_request.debugConfigs.discoveryChannelMhzVal[(size_t) NanBandIndex::NAN_BAND_24GHZ];
+  legacy_request->config_5g_channel = hidl_request.debugConfigs.validDiscoveryChannelVal;
+  legacy_request->channel_5g_val = hidl_request.debugConfigs
+        .discoveryChannelMhzVal[(size_t) NanBandIndex::NAN_BAND_5GHZ];
+  legacy_request->config_2dot4g_beacons = hidl_request.debugConfigs.validUseBeaconsInBandVal;
+  legacy_request->beacon_2dot4g_val = hidl_request.debugConfigs
+        .useBeaconsInBandVal[(size_t) NanBandIndex::NAN_BAND_24GHZ];
+  legacy_request->config_5g_beacons = hidl_request.debugConfigs.validUseBeaconsInBandVal;
+  legacy_request->beacon_5g_val = hidl_request.debugConfigs
+        .useBeaconsInBandVal[(size_t) NanBandIndex::NAN_BAND_5GHZ];
+  legacy_request->config_2dot4g_sdf = hidl_request.debugConfigs.validUseSdfInBandVal;
+  legacy_request->sdf_2dot4g_val = hidl_request.debugConfigs
+        .useSdfInBandVal[(size_t) NanBandIndex::NAN_BAND_24GHZ];
+  legacy_request->config_5g_sdf = hidl_request.debugConfigs.validUseSdfInBandVal;
+  legacy_request->sdf_5g_val = hidl_request.debugConfigs
+        .useSdfInBandVal[(size_t) NanBandIndex::NAN_BAND_5GHZ];
+
   return true;
 }
 
@@ -950,57 +881,69 @@
   if (!legacy_request) {
     return false;
   }
-  legacy_request->publish_id = hidl_request.publishId;
-  legacy_request->ttl = hidl_request.ttl;
-  legacy_request->period = hidl_request.period;
-  legacy_request->publish_type =
-      convertHidlNanPublishTypeToLegacy(hidl_request.publishType);
-  legacy_request->tx_type = convertHidlNanTxTypeToLegacy(hidl_request.txType);
-  legacy_request->publish_count = hidl_request.publishCount;
-  if (hidl_request.serviceName.size() > sizeof(legacy_request->service_name)) {
-    return false;
-  }
-  legacy_request->service_name_len = hidl_request.serviceName.size();
-  memcpy(legacy_request->service_name,
-         hidl_request.serviceName.c_str(),
-         hidl_request.serviceName.size());
-  legacy_request->publish_match_indicator =
-      convertHidlNanMatchAlgToLegacy(hidl_request.publishMatchIndicator);
-  if (hidl_request.serviceSpecificInfo.size() >
-      sizeof(legacy_request->service_specific_info)) {
-    return false;
-  }
-  legacy_request->service_specific_info_len =
-      hidl_request.serviceSpecificInfo.size();
-  memcpy(legacy_request->service_specific_info,
-         hidl_request.serviceSpecificInfo.data(),
-         hidl_request.serviceSpecificInfo.size());
-  if (hidl_request.rxMatchFilter.size() >
-      sizeof(legacy_request->rx_match_filter)) {
-    return false;
-  }
-  legacy_request->rx_match_filter_len = hidl_request.rxMatchFilter.size();
-  memcpy(legacy_request->rx_match_filter,
-         hidl_request.rxMatchFilter.data(),
-         hidl_request.rxMatchFilter.size());
-  if (hidl_request.txMatchFilter.size() >
-      sizeof(legacy_request->tx_match_filter)) {
-    return false;
-  }
-  legacy_request->tx_match_filter_len = hidl_request.txMatchFilter.size();
-  memcpy(legacy_request->tx_match_filter,
-         hidl_request.txMatchFilter.data(),
-         hidl_request.txMatchFilter.size());
-  legacy_request->rssi_threshold_flag = hidl_request.useRssiThreshold;
-  legacy_request->connmap = hidl_request.connmap;
-  legacy_request->recv_indication_cfg = hidl_request.recvIndicationCfg;
-  return true;
-}
+  memset(&legacy_request, 0, sizeof(legacy_hal::NanPublishRequest));
 
-bool convertHidlNanPublishCancelRequestToLegacy(
-    const NanPublishCancelRequest& hidl_request,
-    legacy_hal::NanPublishCancelRequest* legacy_request) {
-  legacy_request->publish_id = hidl_request.publishId;
+  legacy_request->publish_id = hidl_request.baseConfigs.sessionId;
+  legacy_request->ttl = hidl_request.baseConfigs.ttlSec;
+  legacy_request->period = hidl_request.baseConfigs.discoveryWindowPeriod;
+  legacy_request->publish_count = hidl_request.baseConfigs.discoveryCount;
+  legacy_request->service_name_len = hidl_request.baseConfigs.serviceName.size();
+  if (legacy_request->service_name_len > NAN_MAX_SERVICE_NAME_LEN) {
+    return false;
+  }
+  memcpy(legacy_request->service_name, hidl_request.baseConfigs.serviceName.c_str(),
+        legacy_request->service_name_len);
+  legacy_request->publish_match_indicator =
+        (legacy_hal::NanMatchAlg) hidl_request.baseConfigs.discoveryMatchIndicator;
+  legacy_request->service_specific_info_len = hidl_request.baseConfigs.serviceSpecificInfo.size();
+  if (legacy_request->service_specific_info_len > NAN_MAX_SERVICE_SPECIFIC_INFO_LEN) {
+    return false;
+  }
+  memcpy(legacy_request->service_specific_info,
+        hidl_request.baseConfigs.serviceSpecificInfo.data(),
+        legacy_request->service_specific_info_len);
+  legacy_request->rx_match_filter_len = hidl_request.baseConfigs.rxMatchFilter.size();
+  if (legacy_request->rx_match_filter_len > NAN_MAX_MATCH_FILTER_LEN) {
+    return false;
+  }
+  memcpy(legacy_request->rx_match_filter,
+        hidl_request.baseConfigs.rxMatchFilter.data(),
+        legacy_request->rx_match_filter_len);
+  legacy_request->tx_match_filter_len = hidl_request.baseConfigs.txMatchFilter.size();
+  if (legacy_request->tx_match_filter_len > NAN_MAX_MATCH_FILTER_LEN) {
+    return false;
+  }
+  memcpy(legacy_request->tx_match_filter,
+        hidl_request.baseConfigs.txMatchFilter.data(),
+        legacy_request->tx_match_filter_len);
+  legacy_request->rssi_threshold_flag = hidl_request.baseConfigs.useRssiThreshold;
+  legacy_request->recv_indication_cfg = 0;
+  legacy_request->recv_indication_cfg |=
+        hidl_request.baseConfigs.disableDiscoveryTerminationIndication ? 0x1 : 0x0;
+  legacy_request->recv_indication_cfg |=
+        hidl_request.baseConfigs.disableMatchExpirationIndication ? 0x2 : 0x0;
+  legacy_request->recv_indication_cfg |=
+        hidl_request.baseConfigs.disableFollowupReceivedIndication ? 0x4 : 0x0;
+  legacy_request->cipher_type = hidl_request.baseConfigs.supportedCipherTypes;
+  legacy_request->pmk_len = hidl_request.baseConfigs.pmk.size();
+  if (legacy_request->pmk_len > NAN_PMK_INFO_LEN) {
+    return false;
+  }
+  memcpy(legacy_request->pmk,
+        hidl_request.baseConfigs.pmk.data(),
+        legacy_request->pmk_len);
+  legacy_request->sdea_params.security_cfg = hidl_request.baseConfigs.securityEnabledInNdp ?
+        legacy_hal::NAN_DP_CONFIG_SECURITY : legacy_hal::NAN_DP_CONFIG_NO_SECURITY;
+  legacy_request->sdea_params.ranging_state = hidl_request.baseConfigs.rangingRequired ?
+        legacy_hal::NAN_RANGING_ENABLE : legacy_hal::NAN_RANGING_DISABLE;
+  legacy_request->ranging_cfg.ranging_interval_msec = hidl_request.baseConfigs.rangingIntervalMsec;
+  legacy_request->ranging_cfg.config_ranging_indications =
+        hidl_request.baseConfigs.configRangingIndications;
+  legacy_request->ranging_cfg.distance_ingress_cm = hidl_request.baseConfigs.distanceIngressCm;
+  legacy_request->ranging_cfg.distance_egress_cm = hidl_request.baseConfigs.distanceEgressCm;
+  legacy_request->publish_type = (legacy_hal::NanPublishType) hidl_request.publishType;
+  legacy_request->tx_type = (legacy_hal::NanTxType) hidl_request.txType;
+
   return true;
 }
 
@@ -1010,225 +953,417 @@
   if (!legacy_request) {
     return false;
   }
-  legacy_request->subscribe_id = hidl_request.subscribeId;
-  legacy_request->ttl = hidl_request.ttl;
-  legacy_request->period = hidl_request.period;
-  legacy_request->subscribe_type =
-      convertHidlNanSubscribeTypeToLegacy(hidl_request.subscribeType);
-  legacy_request->serviceResponseFilter =
-      convertHidlNanSrfTypeToLegacy(hidl_request.serviceResponseFilter);
-  legacy_request->serviceResponseInclude =
-      convertHidlNanSrfIncludeTypeToLegacy(hidl_request.serviceResponseInclude);
-  legacy_request->useServiceResponseFilter =
-      hidl_request.shouldUseServiceResponseFilter
-          ? legacy_hal::NAN_USE_SRF
-          : legacy_hal::NAN_DO_NOT_USE_SRF;
-  legacy_request->ssiRequiredForMatchIndication =
-      hidl_request.isSsiRequiredForMatchIndication
-          ? legacy_hal::NAN_SSI_REQUIRED_IN_MATCH_IND
-          : legacy_hal::NAN_SSI_NOT_REQUIRED_IN_MATCH_IND;
+  memset(&legacy_request, 0, sizeof(legacy_hal::NanSubscribeRequest));
+
+  legacy_request->subscribe_id = hidl_request.baseConfigs.sessionId;
+  legacy_request->ttl = hidl_request.baseConfigs.ttlSec;
+  legacy_request->period = hidl_request.baseConfigs.discoveryWindowPeriod;
+  legacy_request->subscribe_count = hidl_request.baseConfigs.discoveryCount;
+  legacy_request->service_name_len = hidl_request.baseConfigs.serviceName.size();
+  if (legacy_request->service_name_len > NAN_MAX_SERVICE_NAME_LEN) {
+    return false;
+  }
+  memcpy(legacy_request->service_name, hidl_request.baseConfigs.serviceName.c_str(),
+        legacy_request->service_name_len);
   legacy_request->subscribe_match_indicator =
-      convertHidlNanMatchAlgToLegacy(hidl_request.subscribeMatchIndicator);
-  legacy_request->subscribe_count = hidl_request.subscribeCount;
-  if (hidl_request.serviceName.size() > sizeof(legacy_request->service_name)) {
+        (legacy_hal::NanMatchAlg) hidl_request.baseConfigs.discoveryMatchIndicator;
+  legacy_request->service_specific_info_len = hidl_request.baseConfigs.serviceSpecificInfo.size();
+  if (legacy_request->service_specific_info_len > NAN_MAX_SERVICE_SPECIFIC_INFO_LEN) {
     return false;
   }
-  legacy_request->service_name_len = hidl_request.serviceName.size();
-  memcpy(legacy_request->service_name,
-         hidl_request.serviceName.c_str(),
-         hidl_request.serviceName.size());
-  if (hidl_request.serviceSpecificInfo.size() >
-      sizeof(legacy_request->service_specific_info)) {
-    return false;
-  }
-  legacy_request->service_specific_info_len =
-      hidl_request.serviceSpecificInfo.size();
   memcpy(legacy_request->service_specific_info,
-         hidl_request.serviceSpecificInfo.data(),
-         hidl_request.serviceSpecificInfo.size());
-  if (hidl_request.rxMatchFilter.size() >
-      sizeof(legacy_request->rx_match_filter)) {
+        hidl_request.baseConfigs.serviceSpecificInfo.data(),
+        legacy_request->service_specific_info_len);
+  legacy_request->rx_match_filter_len = hidl_request.baseConfigs.rxMatchFilter.size();
+  if (legacy_request->rx_match_filter_len > NAN_MAX_MATCH_FILTER_LEN) {
     return false;
   }
-  legacy_request->rx_match_filter_len = hidl_request.rxMatchFilter.size();
   memcpy(legacy_request->rx_match_filter,
-         hidl_request.rxMatchFilter.data(),
-         hidl_request.rxMatchFilter.size());
-  if (hidl_request.txMatchFilter.size() >
-      sizeof(legacy_request->tx_match_filter)) {
+        hidl_request.baseConfigs.rxMatchFilter.data(),
+        legacy_request->rx_match_filter_len);
+  legacy_request->tx_match_filter_len = hidl_request.baseConfigs.txMatchFilter.size();
+  if (legacy_request->tx_match_filter_len > NAN_MAX_MATCH_FILTER_LEN) {
     return false;
   }
-  legacy_request->tx_match_filter_len = hidl_request.txMatchFilter.size();
   memcpy(legacy_request->tx_match_filter,
-         hidl_request.txMatchFilter.data(),
-         hidl_request.txMatchFilter.size());
-  legacy_request->rssi_threshold_flag = hidl_request.useRssiThreshold;
-  legacy_request->connmap = hidl_request.connmap;
-  if (hidl_request.intfAddr.size() > NAN_MAX_SUBSCRIBE_MAX_ADDRESS) {
+        hidl_request.baseConfigs.txMatchFilter.data(),
+        legacy_request->tx_match_filter_len);
+  legacy_request->rssi_threshold_flag = hidl_request.baseConfigs.useRssiThreshold;
+  legacy_request->recv_indication_cfg = 0;
+  legacy_request->recv_indication_cfg |=
+        hidl_request.baseConfigs.disableDiscoveryTerminationIndication ? 0x1 : 0x0;
+  legacy_request->recv_indication_cfg |=
+        hidl_request.baseConfigs.disableMatchExpirationIndication ? 0x2 : 0x0;
+  legacy_request->recv_indication_cfg |=
+        hidl_request.baseConfigs.disableFollowupReceivedIndication ? 0x4 : 0x0;
+  legacy_request->cipher_type = hidl_request.baseConfigs.supportedCipherTypes;
+  legacy_request->pmk_len = hidl_request.baseConfigs.pmk.size();
+  if (legacy_request->pmk_len > NAN_PMK_INFO_LEN) {
     return false;
   }
+  memcpy(legacy_request->pmk,
+        hidl_request.baseConfigs.pmk.data(),
+        legacy_request->pmk_len);
+  legacy_request->sdea_params.security_cfg = hidl_request.baseConfigs.securityEnabledInNdp ?
+        legacy_hal::NAN_DP_CONFIG_SECURITY : legacy_hal::NAN_DP_CONFIG_NO_SECURITY;
+  legacy_request->sdea_params.ranging_state = hidl_request.baseConfigs.rangingRequired ?
+        legacy_hal::NAN_RANGING_ENABLE : legacy_hal::NAN_RANGING_DISABLE;
+  legacy_request->ranging_cfg.ranging_interval_msec = hidl_request.baseConfigs.rangingIntervalMsec;
+  legacy_request->ranging_cfg.config_ranging_indications =
+        hidl_request.baseConfigs.configRangingIndications;
+  legacy_request->ranging_cfg.distance_ingress_cm = hidl_request.baseConfigs.distanceIngressCm;
+  legacy_request->ranging_cfg.distance_egress_cm = hidl_request.baseConfigs.distanceEgressCm;
+  legacy_request->subscribe_type = (legacy_hal::NanSubscribeType) hidl_request.subscribeType;
+  legacy_request->serviceResponseFilter = (legacy_hal::NanSRFType) hidl_request.srfType;
+  legacy_request->serviceResponseInclude = hidl_request.srfRespondIfInAddressSet ?
+        legacy_hal::NAN_SRF_INCLUDE_RESPOND : legacy_hal::NAN_SRF_INCLUDE_DO_NOT_RESPOND;
+  legacy_request->useServiceResponseFilter = hidl_request.shouldUseSrf ?
+        legacy_hal::NAN_USE_SRF : legacy_hal::NAN_DO_NOT_USE_SRF;
+  legacy_request->ssiRequiredForMatchIndication = hidl_request.isSsiRequiredForMatch ?
+        legacy_hal::NAN_SSI_REQUIRED_IN_MATCH_IND : legacy_hal::NAN_SSI_NOT_REQUIRED_IN_MATCH_IND;
   legacy_request->num_intf_addr_present = hidl_request.intfAddr.size();
-  for (uint32_t i = 0; i < hidl_request.intfAddr.size(); i++) {
-    CHECK(hidl_request.intfAddr[i].size() ==
-          sizeof(legacy_request->intf_addr[i]));
-    memcpy(legacy_request->intf_addr[i],
-           hidl_request.intfAddr[i].data(),
-           hidl_request.intfAddr[i].size());
+  if (legacy_request->num_intf_addr_present > NAN_MAX_SUBSCRIBE_MAX_ADDRESS) {
+    return false;
   }
-  legacy_request->recv_indication_cfg = hidl_request.recvIndicationCfg;
+  for (int i = 0; i < legacy_request->num_intf_addr_present; i++) {
+    memcpy(legacy_request->intf_addr[i], hidl_request.intfAddr[i].data(), 6);
+  }
+
   return true;
 }
 
-bool convertHidlNanSubscribeCancelRequestToLegacy(
-    const NanSubscribeCancelRequest& /* hidl_request */,
-    legacy_hal::NanSubscribeCancelRequest* /* legacy_request */) {
-  return false;
-}
-
 bool convertHidlNanTransmitFollowupRequestToLegacy(
-    const NanTransmitFollowupRequest& /* hidl_request */,
-    legacy_hal::NanTransmitFollowupRequest* /* legacy_request */) {
-  return false;
+    const NanTransmitFollowupRequest& hidl_request,
+    legacy_hal::NanTransmitFollowupRequest* legacy_request) {
+  if (!legacy_request) {
+    return false;
+  }
+  memset(&legacy_request, 0, sizeof(legacy_hal::NanTransmitFollowupRequest));
+
+  legacy_request->publish_subscribe_id = hidl_request.discoverySessionId;
+  legacy_request->requestor_instance_id = hidl_request.peerId;
+  memcpy(legacy_request->addr, hidl_request.addr.data(), 6);
+  legacy_request->priority = hidl_request.isHighPriority ?
+        legacy_hal::NAN_TX_PRIORITY_HIGH : legacy_hal::NAN_TX_PRIORITY_NORMAL;
+  legacy_request->dw_or_faw = hidl_request.shouldUseDiscoveryWindow ?
+        legacy_hal::NAN_TRANSMIT_IN_DW : legacy_hal::NAN_TRANSMIT_IN_FAW;
+  legacy_request->service_specific_info_len = hidl_request.message.size();
+  if (legacy_request->service_specific_info_len > NAN_MAX_SERVICE_SPECIFIC_INFO_LEN) {
+    return false;
+  }
+  memcpy(legacy_request->service_specific_info,
+        hidl_request.message.data(),
+        legacy_request->service_specific_info_len);
+  legacy_request->recv_indication_cfg = hidl_request.disableFollowupResultIndication ? 0x1 : 0x0;
+
+  return true;
 }
 
 bool convertHidlNanConfigRequestToLegacy(
-    const NanConfigRequest& /* hidl_request */,
-    legacy_hal::NanConfigRequest* /* legacy_request */) {
-  return false;
+    const NanConfigRequest& hidl_request,
+    legacy_hal::NanConfigRequest* legacy_request) {
+  if (!legacy_request) {
+    return false;
+  }
+  memset(&legacy_request, 0, sizeof(legacy_hal::NanConfigRequest));
+
+  // TODO: b/34059183 tracks missing configurations in legacy HAL or uknown defaults
+  legacy_request->master_pref = hidl_request.masterPref;
+  legacy_request->discovery_indication_cfg = 0;
+  legacy_request->discovery_indication_cfg |=
+        hidl_request.disableDiscoveryAddressChangeIndication ? 0x1 : 0x0;
+  legacy_request->discovery_indication_cfg |=
+        hidl_request.disableStartedClusterIndication ? 0x2 : 0x0;
+  legacy_request->discovery_indication_cfg |=
+        hidl_request.disableJoinedClusterIndication ? 0x4 : 0x0;
+  legacy_request->config_sid_beacon = 1;
+  if (hidl_request.numberOfServiceIdsInBeacon > 127) {
+    return false;
+  }
+  legacy_request->sid_beacon = (hidl_request.includeServiceIdsInBeacon ? 0x1 : 0x0)
+        | (hidl_request.numberOfServiceIdsInBeacon << 1);
+  legacy_request->config_rssi_window_size = 0; // TODO: don't know default yet
+  legacy_request->rssi_window_size_val = hidl_request.rssiWindowSize;
+  legacy_request->config_disc_mac_addr_randomization = 1;
+  legacy_request->disc_mac_addr_rand_interval_sec =
+        hidl_request.macAddressRandomizationIntervalSec;
+  legacy_request->config_responder_auto_response = 1;
+  legacy_request->ranging_auto_response_cfg = hidl_request.acceptRangingRequests ?
+       legacy_hal::NAN_RANGING_AUTO_RESPONSE_ENABLE : legacy_hal::NAN_RANGING_AUTO_RESPONSE_DISABLE;
+  /* TODO : missing
+  legacy_request->config_2dot4g_rssi_close = 0; // TODO: don't know default yet
+  legacy_request->rssi_close_2dot4g_val =
+        hidl_request.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_24GHZ].rssiClose;
+  legacy_request->config_2dot4g_rssi_middle = 0; // TODO: don't know default yet
+  legacy_request->rssi_middle_2dot4g_val =
+        hidl_request.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_24GHZ].rssiMiddle;
+  legacy_request->config_2dot4g_rssi_proximity = 0; // TODO: don't know default yet
+  legacy_request->rssi_proximity_2dot4g_val =
+        hidl_request.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_24GHZ].rssiProximity;
+  */
+  legacy_request->config_scan_params = 0; // TODO: don't know default yet
+  legacy_request->scan_params_val.dwell_time[legacy_hal::NAN_CHANNEL_24G_BAND] =
+        hidl_request.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_24GHZ].dwellTimeMs;
+  legacy_request->scan_params_val.scan_period[legacy_hal::NAN_CHANNEL_24G_BAND] =
+        hidl_request.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_24GHZ].scanPeriodSec;
+  legacy_request->config_dw.config_2dot4g_dw_band = hidl_request
+        .bandSpecificConfig[(size_t) NanBandIndex::NAN_BAND_24GHZ].validDiscoveryWindowIntervalVal;
+  legacy_request->config_dw.dw_2dot4g_interval_val = hidl_request
+        .bandSpecificConfig[(size_t) NanBandIndex::NAN_BAND_24GHZ].discoveryWindowIntervalVal;
+  /* TODO: missing
+  legacy_request->config_5g_rssi_close = 0; // TODO: don't know default yet
+  legacy_request->rssi_close_5g_val =
+        hidl_request.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_5GHZ].rssiClose;
+  legacy_request->config_5g_rssi_middle = 0; // TODO: don't know default yet
+  legacy_request->rssi_middle_5g_val =
+        hidl_request.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_5GHZ].rssiMiddle;
+  */
+  legacy_request->config_5g_rssi_close_proximity = 0; // TODO: don't know default yet
+  legacy_request->rssi_close_proximity_5g_val =
+        hidl_request.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_5GHZ].rssiProximity;
+  legacy_request->scan_params_val.dwell_time[legacy_hal::NAN_CHANNEL_5G_BAND_LOW] =
+        hidl_request.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_5GHZ].dwellTimeMs;
+  legacy_request->scan_params_val.scan_period[legacy_hal::NAN_CHANNEL_5G_BAND_LOW] =
+        hidl_request.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_5GHZ].scanPeriodSec;
+  legacy_request->scan_params_val.dwell_time[legacy_hal::NAN_CHANNEL_5G_BAND_HIGH] =
+        hidl_request.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_5GHZ].dwellTimeMs;
+  legacy_request->scan_params_val.scan_period[legacy_hal::NAN_CHANNEL_5G_BAND_HIGH] =
+        hidl_request.bandSpecificConfig[
+            (size_t) NanBandIndex::NAN_BAND_5GHZ].scanPeriodSec;
+  legacy_request->config_dw.config_5g_dw_band = hidl_request
+        .bandSpecificConfig[(size_t) NanBandIndex::NAN_BAND_5GHZ].validDiscoveryWindowIntervalVal;
+  legacy_request->config_dw.dw_5g_interval_val = hidl_request
+        .bandSpecificConfig[(size_t) NanBandIndex::NAN_BAND_5GHZ].discoveryWindowIntervalVal;
+
+  return true;
 }
 
 bool convertHidlNanBeaconSdfPayloadRequestToLegacy(
-    const NanBeaconSdfPayloadRequest& /* hidl_request */,
-    legacy_hal::NanBeaconSdfPayloadRequest* /* legacy_request */) {
-  return false;
+    const NanBeaconSdfPayloadRequest& hidl_request,
+    legacy_hal::NanBeaconSdfPayloadRequest* legacy_request) {
+  if (!legacy_request) {
+    return false;
+  }
+  memset(&legacy_request, 0, sizeof(legacy_hal::NanBeaconSdfPayloadRequest));
+
+  legacy_request->vsa.payload_transmit_flag = hidl_request.transmitInNext16dws ? 1 : 0;
+  legacy_request->vsa.tx_in_discovery_beacon = hidl_request.transmitInDiscoveryBeacon;
+  legacy_request->vsa.tx_in_sync_beacon = hidl_request.transmitInSyncBeacon;
+  legacy_request->vsa.tx_in_service_discovery = hidl_request.transmitInServiceDiscoveryFrame;
+  legacy_request->vsa.vendor_oui = hidl_request.vendorOui;
+  legacy_request->vsa.vsa_len = hidl_request.vsa.size();
+  if (legacy_request->vsa.vsa_len > NAN_MAX_VSA_DATA_LEN) {
+    return false;
+  }
+  memcpy(legacy_request->vsa.vsa, hidl_request.vsa.data(), legacy_request->vsa.vsa_len);
+
+  return true;
 }
 
 bool convertHidlNanDataPathInitiatorRequestToLegacy(
-    const NanDataPathInitiatorRequest& /* hidl_request */,
-    legacy_hal::NanDataPathInitiatorRequest* /* legacy_request */) {
-  return false;
+    const NanInitiateDataPathRequest& hidl_request,
+    legacy_hal::NanDataPathInitiatorRequest* legacy_request) {
+  if (!legacy_request) {
+    return false;
+  }
+  memset(&legacy_request, 0, sizeof(legacy_hal::NanDataPathInitiatorRequest));
+
+  legacy_request->requestor_instance_id = hidl_request.peerId;
+  memcpy(legacy_request->peer_disc_mac_addr, hidl_request.peerDiscMacAddr.data(), 6);
+  legacy_request->channel_request_type =
+        (legacy_hal::NanDataPathChannelCfg) hidl_request.channelRequestType;
+  legacy_request->channel = hidl_request.channel;
+  strcpy(legacy_request->ndp_iface, hidl_request.ifaceName.c_str());
+  legacy_request->ndp_cfg.security_cfg = hidl_request.securityRequired ?
+        legacy_hal::NAN_DP_CONFIG_SECURITY : legacy_hal::NAN_DP_CONFIG_NO_SECURITY;
+  legacy_request->app_info.ndp_app_info_len = hidl_request.appInfo.size();
+  if (legacy_request->app_info.ndp_app_info_len > NAN_DP_MAX_APP_INFO_LEN) {
+    return false;
+  }
+  memcpy(legacy_request->app_info.ndp_app_info, hidl_request.appInfo.data(),
+        legacy_request->app_info.ndp_app_info_len);
+  legacy_request->cipher_type = hidl_request.supportedCipherTypes;
+  legacy_request->pmk_len = hidl_request.pmk.size();
+  if (legacy_request->pmk_len > NAN_PMK_INFO_LEN) {
+    return false;
+  }
+  memcpy(legacy_request->pmk, hidl_request.pmk.data(), legacy_request->pmk_len);
+
+  return true;
 }
 
 bool convertHidlNanDataPathIndicationResponseToLegacy(
-    const NanDataPathIndicationResponse& /* hidl_response */,
-    legacy_hal::NanDataPathIndicationResponse* /* legacy_response */) {
-  return false;
-}
+    const NanRespondToDataPathIndicationRequest& hidl_request,
+    legacy_hal::NanDataPathIndicationResponse* legacy_request) {
+  if (!legacy_request) {
+    return false;
+  }
+  memset(&legacy_request, 0, sizeof(legacy_hal::NanDataPathIndicationResponse));
 
-bool convertHidlNanDataPathEndRequestToLegacy(
-    const NanDataPathEndRequest& /* hidl_request */,
-    legacy_hal::NanDataPathEndRequest* /* legacy_request */) {
-  return false;
+  legacy_request->rsp_code = hidl_request.acceptRequest ?
+        legacy_hal::NAN_DP_REQUEST_ACCEPT : legacy_hal::NAN_DP_REQUEST_REJECT;
+  legacy_request->ndp_instance_id = hidl_request.ndpInstanceId;
+  strcpy(legacy_request->ndp_iface, hidl_request.ifaceName.c_str());
+  legacy_request->ndp_cfg.security_cfg = hidl_request.securityRequired ?
+        legacy_hal::NAN_DP_CONFIG_SECURITY : legacy_hal::NAN_DP_CONFIG_NO_SECURITY;
+  legacy_request->app_info.ndp_app_info_len = hidl_request.appInfo.size();
+  if (legacy_request->app_info.ndp_app_info_len > NAN_DP_MAX_APP_INFO_LEN) {
+    return false;
+  }
+  memcpy(legacy_request->app_info.ndp_app_info, hidl_request.appInfo.data(),
+        legacy_request->app_info.ndp_app_info_len);
+  legacy_request->cipher_type = hidl_request.supportedCipherTypes;
+  legacy_request->pmk_len = hidl_request.pmk.size();
+  if (legacy_request->pmk_len > NAN_PMK_INFO_LEN) {
+    return false;
+  }
+  memcpy(legacy_request->pmk, hidl_request.pmk.data(), legacy_request->pmk_len);
+
+  return true;
 }
 
 bool convertLegacyNanResponseHeaderToHidl(
     const legacy_hal::NanResponseMsg& legacy_response,
-    NanResponseMsgHeader* hidl_response) {
-  if (!hidl_response) {
+    WifiNanStatus* wifiNanStatus) {
+  if (!wifiNanStatus) {
     return false;
   }
-  hidl_response->status =
-      convertLegacyNanStatusTypeToHidl(legacy_response.status);
-  hidl_response->value = legacy_response.value;
-  hidl_response->responseType =
-      convertLegacyNanResponseTypeToHidl(legacy_response.response_type);
+  wifiNanStatus->status = convertLegacyNanStatusTypeToHidl(legacy_response.status);
+  wifiNanStatus->description = legacy_response.nan_error;
+
   return true;
 }
 
-bool convertLegacyNanPublishResponseToHidl(
-    const legacy_hal::NanPublishResponse& /* legacy_response */,
-    NanPublishResponse* /* hidl_response */) {
-  return false;
-}
-
-bool convertLegacyNanSubscribeResponseToHidl(
-    const legacy_hal::NanSubscribeResponse& /* legacy_response */,
-    NanSubscribeResponse* /* hidl_response */) {
-  return false;
-}
-
-bool convertLegacyNanDataPathResponseToHidl(
-    const legacy_hal::NanDataPathRequestResponse& /* legacy_response */,
-    NanDataPathResponse* /* hidl_response */) {
-  return false;
-}
-
 bool convertLegacyNanCapabilitiesResponseToHidl(
-    const legacy_hal::NanCapabilities& /* legacy_response */,
-    NanCapabilitiesResponse* /* hidl_response */) {
-  return false;
-}
+    const legacy_hal::NanCapabilities& legacy_response,
+    NanCapabilities* hidl_response) {
+  if (!hidl_response) {
+    return false;
+  }
+  hidl_response->maxConcurrentClusters = legacy_response.max_concurrent_nan_clusters;
+  hidl_response->maxPublishes = legacy_response.max_publishes;
+  hidl_response->maxSubscribes = legacy_response.max_subscribes;
+  hidl_response->maxServiceNameLen = legacy_response.max_service_name_len;
+  hidl_response->maxMatchFilterLen = legacy_response.max_match_filter_len;
+  hidl_response->maxTotalMatchFilterLen = legacy_response.max_total_match_filter_len;
+  hidl_response->maxServiceSpecificInfoLen = legacy_response.max_service_specific_info_len;
+  hidl_response->maxVsaDataLen = legacy_response.max_vsa_data_len;
+  hidl_response->maxNdiInterfaces = legacy_response.max_ndi_interfaces;
+  hidl_response->maxNdpSessions = legacy_response.max_ndp_sessions;
+  hidl_response->maxAppInfoLen = legacy_response.max_app_info_len;
+  hidl_response->maxQueuedTransmitFollowupMsgs = legacy_response.max_queued_transmit_followup_msgs;
+  // TODO: b/34059183 to add to underlying HAL
+  hidl_response->maxSubscribeInterfaceAddresses = NAN_MAX_SUBSCRIBE_MAX_ADDRESS;
+  hidl_response->supportedCipherSuites = legacy_response.cipher_suites_supported;
 
-bool convertLegacyNanPublishTerminatedIndToHidl(
-    const legacy_hal::NanPublishTerminatedInd& /* legacy_ind */,
-    NanPublishTerminatedInd* /* hidl_ind */) {
-  return false;
+  return true;
 }
 
 bool convertLegacyNanMatchIndToHidl(
-    const legacy_hal::NanMatchInd& /* legacy_ind */,
-    NanMatchInd* /* hidl_ind */) {
-  return false;
-}
+    const legacy_hal::NanMatchInd& legacy_ind,
+    NanMatchInd* hidl_ind) {
+  if (!hidl_ind) {
+    return false;
+  }
+  hidl_ind->discoverySessionId = legacy_ind.publish_subscribe_id;
+  hidl_ind->peerId = legacy_ind.requestor_instance_id;
+  hidl_ind->addr = hidl_array<uint8_t, 6>(legacy_ind.addr);
+  hidl_ind->serviceSpecificInfo = std::vector<uint8_t>(legacy_ind.service_specific_info,
+        legacy_ind.service_specific_info + legacy_ind.service_specific_info_len);
+  hidl_ind->matchFilter = std::vector<uint8_t>(legacy_ind.sdf_match_filter,
+        legacy_ind.sdf_match_filter + legacy_ind.sdf_match_filter_len);
+  hidl_ind->matchOccuredInBeaconFlag = legacy_ind.match_occured_flag == 1;
+  hidl_ind->outOfResourceFlag = legacy_ind.out_of_resource_flag == 1;
+  hidl_ind->rssiValue = legacy_ind.rssi_value;
+  hidl_ind->peerSupportedCipherTypes = legacy_ind.peer_cipher_type;
+  hidl_ind->peerRequiresSecurityEnabledInNdp =
+        legacy_ind.peer_sdea_params.security_cfg == legacy_hal::NAN_DP_CONFIG_SECURITY;
+  hidl_ind->peerRequiresRanging =
+        legacy_ind.peer_sdea_params.ranging_state == legacy_hal::NAN_RANGING_ENABLE;
+  hidl_ind->rangingMeasurementInCm = legacy_ind.range_result.range_measurement_cm;
+  hidl_ind->rangingIndicationType = legacy_ind.range_result.ranging_event_type;
 
-bool convertLegacyNanMatchExpiredIndToHidl(
-    const legacy_hal::NanMatchExpiredInd& /* legacy_ind */,
-    NanMatchExpiredInd* /* hidl_ind */) {
-  return false;
-}
-
-bool convertLegacyNanSubscribeTerminatedIndToHidl(
-    const legacy_hal::NanSubscribeTerminatedInd& /* legacy_ind */,
-    NanSubscribeTerminatedInd* /* hidl_ind */) {
-  return false;
+  return true;
 }
 
 bool convertLegacyNanFollowupIndToHidl(
-    const legacy_hal::NanFollowupInd& /* legacy_ind */,
-    NanFollowupInd* /* hidl_ind */) {
-  return false;
-}
+    const legacy_hal::NanFollowupInd& legacy_ind,
+    NanFollowupReceivedInd* hidl_ind) {
+  if (!hidl_ind) {
+    return false;
+  }
+  hidl_ind->discoverySessionId = legacy_ind.publish_subscribe_id;
+  hidl_ind->peerId = legacy_ind.requestor_instance_id;
+  hidl_ind->addr = hidl_array<uint8_t, 6>(legacy_ind.addr);
+  hidl_ind->receivedInFaw = legacy_ind.dw_or_faw == 1;
+  hidl_ind->message = std::vector<uint8_t>(legacy_ind.service_specific_info,
+        legacy_ind.service_specific_info + legacy_ind.service_specific_info_len);
 
-bool convertLegacyNanDiscEngEventIndToHidl(
-    const legacy_hal::NanDiscEngEventInd& /* legacy_ind */,
-    NanDiscEngEventInd* /* hidl_ind */) {
-  return false;
-}
-
-bool convertLegacyNanDisabledIndToHidl(
-    const legacy_hal::NanDisabledInd& /* legacy_ind */,
-    NanDisabledInd* /* hidl_ind */) {
-  return false;
+  return true;
 }
 
 bool convertLegacyNanBeaconSdfPayloadIndToHidl(
-    const legacy_hal::NanBeaconSdfPayloadInd& /* legacy_ind */,
-    NanBeaconSdfPayloadInd* /* hidl_ind */) {
-  return false;
+    const legacy_hal::NanBeaconSdfPayloadInd& legacy_ind,
+    NanBeaconSdfPayloadInd* hidl_ind) {
+  if (!hidl_ind) {
+    return false;
+  }
+  hidl_ind->addr = hidl_array<uint8_t, 6>(legacy_ind.addr);
+  hidl_ind->isVsaReceived = legacy_ind.is_vsa_received == 1;
+  hidl_ind->vsaReceivedOnFrames = legacy_ind.vsa.vsa_received_on;
+  hidl_ind->vsaVendorOui = legacy_ind.vsa.vendor_oui;
+  hidl_ind->vsa = std::vector<uint8_t>(legacy_ind.vsa.vsa,
+        legacy_ind.vsa.vsa + legacy_ind.vsa.attr_len);
+  hidl_ind->isBeaconSdfPayloadReceived = legacy_ind.is_beacon_sdf_payload_received == 1;
+  hidl_ind->beaconSdfPayloadData = std::vector<uint8_t>(legacy_ind.data.frame_data,
+        legacy_ind.data.frame_data + legacy_ind.data.frame_len);
+
+  return true;
 }
 
 bool convertLegacyNanDataPathRequestIndToHidl(
-    const legacy_hal::NanDataPathRequestInd& /* legacy_ind */,
-    NanDataPathRequestInd* /* hidl_ind */) {
-  return false;
+    const legacy_hal::NanDataPathRequestInd& legacy_ind,
+    NanDataPathRequestInd* hidl_ind) {
+  if (!hidl_ind) {
+    return false;
+  }
+  hidl_ind->discoverySessionId = legacy_ind.service_instance_id;
+  hidl_ind->peerDiscMacAddr = hidl_array<uint8_t, 6>(legacy_ind.peer_disc_mac_addr);
+  hidl_ind->ndpInstanceId = legacy_ind.ndp_instance_id;
+  hidl_ind->securityRequired =
+        legacy_ind.ndp_cfg.security_cfg == legacy_hal::NAN_DP_CONFIG_SECURITY;
+  hidl_ind->appInfo = std::vector<uint8_t>(legacy_ind.app_info.ndp_app_info,
+        legacy_ind.app_info.ndp_app_info + legacy_ind.app_info.ndp_app_info_len);
+
+  return true;
 }
 
 bool convertLegacyNanDataPathConfirmIndToHidl(
-    const legacy_hal::NanDataPathConfirmInd& /* legacy_ind */,
-    NanDataPathConfirmInd* /* hidl_ind */) {
-  return false;
-}
+    const legacy_hal::NanDataPathConfirmInd& legacy_ind,
+    NanDataPathConfirmInd* hidl_ind) {
+  if (!hidl_ind) {
+    return false;
+  }
+  hidl_ind->ndpInstanceId = legacy_ind.ndp_instance_id;
+  hidl_ind->dataPathSetupSuccess = legacy_ind.rsp_code == legacy_hal::NAN_DP_REQUEST_ACCEPT;
+  hidl_ind->peerNdiMacAddr = hidl_array<uint8_t, 6>(legacy_ind.peer_ndi_mac_addr);
+  hidl_ind->appInfo = std::vector<uint8_t>(legacy_ind.app_info.ndp_app_info,
+          legacy_ind.app_info.ndp_app_info + legacy_ind.app_info.ndp_app_info_len);
+  hidl_ind->status.status = convertLegacyNanStatusTypeToHidl(legacy_ind.reason_code);
+  hidl_ind->status.description = ""; // TODO: b/34059183
 
-bool convertLegacyNanDataPathEndIndToHidl(
-    const legacy_hal::NanDataPathEndInd& /* legacy_ind */,
-    NanDataPathEndInd* /* hidl_ind */) {
-  return false;
-}
-
-bool convertLegacyNanTransmitFollowupIndToHidl(
-    const legacy_hal::NanTransmitFollowupInd& /* legacy_ind */,
-    NanTransmitFollowupInd* /* hidl_ind */) {
-  return false;
+  return true;
 }
 
 legacy_hal::wifi_rtt_type convertHidlRttTypeToLegacy(RttType type) {
diff --git a/wifi/1.0/default/hidl_struct_util.h b/wifi/1.0/default/hidl_struct_util.h
index 9086666..14bc77d 100644
--- a/wifi/1.0/default/hidl_struct_util.h
+++ b/wifi/1.0/default/hidl_struct_util.h
@@ -94,87 +94,50 @@
     std::vector<WifiDebugRxPacketFateReport>* hidl_fates);
 
 // NAN iface conversion methods.
+NanStatusType convertLegacyNanStatusTypeToHidl(legacy_hal::NanStatusType type);
 bool convertHidlNanEnableRequestToLegacy(
     const NanEnableRequest& hidl_request,
     legacy_hal::NanEnableRequest* legacy_request);
-bool convertHidlNanPublishRequestToLegacy(
-    const NanPublishRequest& hidl_request,
-    legacy_hal::NanPublishRequest* legacy_request);
-bool convertHidlNanPublishCancelRequestToLegacy(
-    const NanPublishCancelRequest& hidl_request,
-    legacy_hal::NanPublishCancelRequest* legacy_request);
-bool convertHidlNanSubscribeRequestToLegacy(
-    const NanSubscribeRequest& hidl_request,
-    legacy_hal::NanSubscribeRequest* legacy_request);
-bool convertHidlNanSubscribeCancelRequestToLegacy(
-    const NanSubscribeCancelRequest& hidl_request,
-    legacy_hal::NanSubscribeCancelRequest* legacy_request);
-bool convertHidlNanTransmitFollowupRequestToLegacy(
-    const NanTransmitFollowupRequest& hidl_request,
-    legacy_hal::NanTransmitFollowupRequest* legacy_request);
 bool convertHidlNanConfigRequestToLegacy(
     const NanConfigRequest& hidl_request,
     legacy_hal::NanConfigRequest* legacy_request);
+bool convertHidlNanPublishRequestToLegacy(
+    const NanPublishRequest& hidl_request,
+    legacy_hal::NanPublishRequest* legacy_request);
+bool convertHidlNanSubscribeRequestToLegacy(
+    const NanSubscribeRequest& hidl_request,
+    legacy_hal::NanSubscribeRequest* legacy_request);
+bool convertHidlNanTransmitFollowupRequestToLegacy(
+    const NanTransmitFollowupRequest& hidl_request,
+    legacy_hal::NanTransmitFollowupRequest* legacy_request);
 bool convertHidlNanBeaconSdfPayloadRequestToLegacy(
     const NanBeaconSdfPayloadRequest& hidl_request,
     legacy_hal::NanBeaconSdfPayloadRequest* legacy_request);
 bool convertHidlNanDataPathInitiatorRequestToLegacy(
-    const NanDataPathInitiatorRequest& hidl_request,
+    const NanInitiateDataPathRequest& hidl_request,
     legacy_hal::NanDataPathInitiatorRequest* legacy_request);
 bool convertHidlNanDataPathIndicationResponseToLegacy(
-    const NanDataPathIndicationResponse& hidl_response,
+    const NanRespondToDataPathIndicationRequest& hidl_response,
     legacy_hal::NanDataPathIndicationResponse* legacy_response);
-bool convertHidlNanDataPathEndRequestToLegacy(
-    const NanDataPathEndRequest& hidl_request,
-    legacy_hal::NanDataPathEndRequest* legacy_request);
 bool convertLegacyNanResponseHeaderToHidl(
     const legacy_hal::NanResponseMsg& legacy_response,
-    NanResponseMsgHeader* hidl_response);
-bool convertLegacyNanPublishResponseToHidl(
-    const legacy_hal::NanPublishResponse& legacy_response,
-    NanPublishResponse* hidl_response);
-bool convertLegacyNanSubscribeResponseToHidl(
-    const legacy_hal::NanSubscribeResponse& legacy_response,
-    NanSubscribeResponse* hidl_response);
-bool convertLegacyNanDataPathResponseToHidl(
-    const legacy_hal::NanDataPathRequestResponse& legacy_response,
-    NanDataPathResponse* hidl_response);
+    WifiNanStatus* wifiNanStatus);
 bool convertLegacyNanCapabilitiesResponseToHidl(
     const legacy_hal::NanCapabilities& legacy_response,
-    NanCapabilitiesResponse* hidl_response);
-bool convertLegacyNanPublishTerminatedIndToHidl(
-    const legacy_hal::NanPublishTerminatedInd& legacy_ind,
-    NanPublishTerminatedInd* hidl_ind);
+    NanCapabilities* hidl_response);
 bool convertLegacyNanMatchIndToHidl(const legacy_hal::NanMatchInd& legacy_ind,
                                     NanMatchInd* hidl_ind);
-bool convertLegacyNanMatchExpiredIndToHidl(
-    const legacy_hal::NanMatchExpiredInd& legacy_ind,
-    NanMatchExpiredInd* hidl_ind);
-bool convertLegacyNanSubscribeTerminatedIndToHidl(
-    const legacy_hal::NanSubscribeTerminatedInd& legacy_ind,
-    NanSubscribeTerminatedInd* hidl_ind);
 bool convertLegacyNanFollowupIndToHidl(
-    const legacy_hal::NanFollowupInd& legacy_ind, NanFollowupInd* hidl_ind);
-bool convertLegacyNanDiscEngEventIndToHidl(
-    const legacy_hal::NanDiscEngEventInd& legacy_ind,
-    NanDiscEngEventInd* hidl_ind);
-bool convertLegacyNanDisabledIndToHidl(
-    const legacy_hal::NanDisabledInd& legacy_ind, NanDisabledInd* hidl_ind);
-bool convertLegacyNanBeaconSdfPayloadIndToHidl(
-    const legacy_hal::NanBeaconSdfPayloadInd& legacy_ind,
-    NanBeaconSdfPayloadInd* hidl_ind);
+    const legacy_hal::NanFollowupInd& legacy_ind, NanFollowupReceivedInd* hidl_ind);
 bool convertLegacyNanDataPathRequestIndToHidl(
     const legacy_hal::NanDataPathRequestInd& legacy_ind,
     NanDataPathRequestInd* hidl_ind);
 bool convertLegacyNanDataPathConfirmIndToHidl(
     const legacy_hal::NanDataPathConfirmInd& legacy_ind,
     NanDataPathConfirmInd* hidl_ind);
-bool convertLegacyNanDataPathEndIndToHidl(
-    const legacy_hal::NanDataPathEndInd& legacy_ind,
-    NanDataPathEndInd* hidl_ind);
-bool convertLegacyNanTransmitFollowupIndToHidl(
-    const legacy_hal::NanTransmitFollowupInd& legacy_ind,
-    NanTransmitFollowupInd* hidl_ind);
+bool convertLegacyNanBeaconSdfPayloadIndToHidl(
+    const legacy_hal::NanBeaconSdfPayloadInd& legacy_ind,
+    NanBeaconSdfPayloadInd* hidl_ind);
 
 // RTT controller conversion methods.
 bool convertHidlVectorOfRttConfigToLegacy(
diff --git a/wifi/1.0/default/wifi_nan_iface.cpp b/wifi/1.0/default/wifi_nan_iface.cpp
index 8d5cbc9..5ac6fa8 100644
--- a/wifi/1.0/default/wifi_nan_iface.cpp
+++ b/wifi/1.0/default/wifi_nan_iface.cpp
@@ -36,35 +36,378 @@
   // of the object. Whenever the mode changes legacy HAL will remove
   // all of these callbacks.
   legacy_hal::NanCallbackHandlers callback_handlers;
+  android::wp<WifiNanIface> weak_ptr_this(this);
 
   // Callback for response.
-  callback_handlers.on_notify_response = [&](
+  callback_handlers.on_notify_response = [weak_ptr_this](
       legacy_hal::transaction_id id, const legacy_hal::NanResponseMsg& msg) {
-    NanResponseMsgHeader hidl_header;
+    const auto shared_ptr_this = weak_ptr_this.promote();
+    if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+      LOG(ERROR) << "Callback invoked on an invalid object";
+      return;
+    }
+    WifiNanStatus wifiNanStatus;
     if (!hidl_struct_util::convertLegacyNanResponseHeaderToHidl(msg,
-                                                                &hidl_header)) {
+                                                                &wifiNanStatus)) {
       LOG(ERROR) << "Failed to convert nan response header";
       return;
     }
-    // TODO: This is a union in the legacy HAL. Need to convert to appropriate
-    // callback based on type.
-    // Assuming |NanPublishResponseMsg| type here.
-    NanPublishResponse hidl_body;
-    if (!hidl_struct_util::convertLegacyNanPublishResponseToHidl(
-            msg.body.publish_response, &hidl_body)) {
-      LOG(ERROR) << "Failed to convert nan publish response";
-      return;
+
+    switch (msg.response_type) {
+    case legacy_hal::NAN_RESPONSE_ENABLED: {
+        for (const auto& callback : shared_ptr_this->event_callbacks_) {
+          if (!callback->notifyEnableResponse(id, wifiNanStatus).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+          }
+        }
     }
-    NanPublishResponseMsg hidl_msg;
-    hidl_msg.header = hidl_header;
-    hidl_msg.body = hidl_body;
-    for (const auto& callback : event_callbacks_) {
-      if (!callback->notifyPublishResponse(id, hidl_msg).isOk()) {
-        LOG(ERROR) << "Failed to invoke the callback";
-      }
+    case legacy_hal::NAN_RESPONSE_DISABLED: {
+        for (const auto& callback : shared_ptr_this->event_callbacks_) {
+          if (!callback->notifyDisableResponse(id, wifiNanStatus).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+          }
+        }
+    }
+    case legacy_hal::NAN_RESPONSE_PUBLISH: {
+        for (const auto& callback : shared_ptr_this->event_callbacks_) {
+          if (!callback->notifyStartPublishResponse(id, wifiNanStatus,
+                        msg.body.publish_response.publish_id).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+          }
+        }
+    }
+    case legacy_hal::NAN_RESPONSE_PUBLISH_CANCEL: {
+        for (const auto& callback : shared_ptr_this->event_callbacks_) {
+          if (!callback->notifyStopPublishResponse(id, wifiNanStatus).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+          }
+        }
+    }
+    case legacy_hal::NAN_RESPONSE_TRANSMIT_FOLLOWUP: {
+        for (const auto& callback : shared_ptr_this->event_callbacks_) {
+          if (!callback->notifyTransmitFollowupResponse(id, wifiNanStatus).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+          }
+        }
+    }
+    case legacy_hal::NAN_RESPONSE_SUBSCRIBE: {
+        for (const auto& callback : shared_ptr_this->event_callbacks_) {
+          if (!callback->notifyStartSubscribeResponse(id, wifiNanStatus,
+                        msg.body.subscribe_response.subscribe_id).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+          }
+        }
+    }
+    case legacy_hal::NAN_RESPONSE_SUBSCRIBE_CANCEL: {
+        for (const auto& callback : shared_ptr_this->event_callbacks_) {
+          if (!callback->notifyStopSubscribeResponse(id, wifiNanStatus).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+          }
+        }
+    }
+    case legacy_hal::NAN_RESPONSE_CONFIG: {
+        for (const auto& callback : shared_ptr_this->event_callbacks_) {
+          if (!callback->notifyConfigResponse(id, wifiNanStatus).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+          }
+        }
+     }
+    case legacy_hal::NAN_RESPONSE_BEACON_SDF_PAYLOAD: {
+        for (const auto& callback : shared_ptr_this->event_callbacks_) {
+          if (!callback->notifyBeaconSdfPayloadResponse(id, wifiNanStatus).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+          }
+        }
+     }
+    case legacy_hal::NAN_GET_CAPABILITIES: {
+        NanCapabilities hidl_struct;
+        if (!hidl_struct_util::convertLegacyNanCapabilitiesResponseToHidl(
+                msg.body.nan_capabilities, &hidl_struct)) {
+            LOG(ERROR) << "Failed to convert nan capabilities response";
+            return;
+        }
+        for (const auto& callback : shared_ptr_this->event_callbacks_) {
+          if (!callback->notifyCapabilitiesResponse(id, wifiNanStatus,
+                                                    hidl_struct).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+          }
+        }
+    }
+    case legacy_hal::NAN_DP_INTERFACE_CREATE: {
+        for (const auto& callback : shared_ptr_this->event_callbacks_) {
+          if (!callback->notifyCreateDataInterfaceResponse(id, wifiNanStatus).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+          }
+        }
+    }
+    case legacy_hal::NAN_DP_INTERFACE_DELETE: {
+        for (const auto& callback : shared_ptr_this->event_callbacks_) {
+          if (!callback->notifyDeleteDataInterfaceResponse(id, wifiNanStatus).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+          }
+        }
+    }
+    case legacy_hal::NAN_DP_INITIATOR_RESPONSE: {
+        for (const auto& callback : shared_ptr_this->event_callbacks_) {
+          if (!callback->notifyInitiateDataPathResponse(id, wifiNanStatus).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+          }
+        }
+    }
+    case legacy_hal::NAN_DP_RESPONDER_RESPONSE: {
+        for (const auto& callback : shared_ptr_this->event_callbacks_) {
+          if (!callback->notifyRespondToDataPathIndicationResponse(id, wifiNanStatus,
+                    msg.body.data_request_response.ndp_instance_id).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+          }
+        }
+    }
+    case legacy_hal::NAN_DP_END: {
+        for (const auto& callback : shared_ptr_this->event_callbacks_) {
+          if (!callback->notifyTerminateDataPathResponse(id, wifiNanStatus).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+          }
+        }
+    }
+    case legacy_hal::NAN_RESPONSE_TCA:
+        /* fall through */
+    case legacy_hal::NAN_RESPONSE_STATS:
+        /* fall through */
+    case legacy_hal::NAN_RESPONSE_ERROR:
+        /* fall through */
+    default:
+        LOG(ERROR) << "Unknown or unhandled response type: " << msg.response_type;
+        return;
     }
   };
-  // TODO: Register the remaining callbacks.
+
+  callback_handlers.on_event_disc_eng_event = [weak_ptr_this](
+        const legacy_hal::NanDiscEngEventInd& msg) {
+      const auto shared_ptr_this = weak_ptr_this.promote();
+      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+        LOG(ERROR) << "Callback invoked on an invalid object";
+        return;
+      }
+      NanClusterEventInd hidl_struct;
+      // event types defined identically - hence can be cast
+      hidl_struct.eventType = (NanClusterEventType) msg.event_type;
+      hidl_struct.addr = msg.data.mac_addr.addr;
+
+      for (const auto& callback : shared_ptr_this->event_callbacks_) {
+        if (!callback->eventClusterEvent(hidl_struct).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+        }
+      }
+  };
+
+  callback_handlers.on_event_disabled = [weak_ptr_this](
+        const legacy_hal::NanDisabledInd& msg) {
+      const auto shared_ptr_this = weak_ptr_this.promote();
+      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+        LOG(ERROR) << "Callback invoked on an invalid object";
+        return;
+      }
+      WifiNanStatus status;
+      status.status = hidl_struct_util::convertLegacyNanStatusTypeToHidl(msg.reason);
+      status.description = msg.nan_reason;
+
+      for (const auto& callback : shared_ptr_this->event_callbacks_) {
+        if (!callback->eventDisabled(status).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+        }
+      }
+  };
+
+  callback_handlers.on_event_publish_terminated = [weak_ptr_this](
+        const legacy_hal::NanPublishTerminatedInd& msg) {
+      const auto shared_ptr_this = weak_ptr_this.promote();
+      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+        LOG(ERROR) << "Callback invoked on an invalid object";
+        return;
+      }
+      WifiNanStatus status;
+      status.status = hidl_struct_util::convertLegacyNanStatusTypeToHidl(msg.reason);
+      status.description = msg.nan_reason;
+
+      for (const auto& callback : shared_ptr_this->event_callbacks_) {
+        if (!callback->eventPublishTerminated(msg.publish_id, status).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+        }
+      }
+  };
+
+  callback_handlers.on_event_subscribe_terminated = [weak_ptr_this](
+        const legacy_hal::NanSubscribeTerminatedInd& msg) {
+      const auto shared_ptr_this = weak_ptr_this.promote();
+      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+        LOG(ERROR) << "Callback invoked on an invalid object";
+        return;
+      }
+      WifiNanStatus status;
+      status.status = hidl_struct_util::convertLegacyNanStatusTypeToHidl(msg.reason);
+      status.description = msg.nan_reason;
+
+      for (const auto& callback : shared_ptr_this->event_callbacks_) {
+        if (!callback->eventSubscribeTerminated(msg.subscribe_id, status).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+        }
+      }
+  };
+
+  callback_handlers.on_event_match = [weak_ptr_this](
+        const legacy_hal::NanMatchInd& msg) {
+      const auto shared_ptr_this = weak_ptr_this.promote();
+      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+        LOG(ERROR) << "Callback invoked on an invalid object";
+        return;
+      }
+      NanMatchInd hidl_struct;
+      if (!hidl_struct_util::convertLegacyNanMatchIndToHidl(
+            msg, &hidl_struct)) {
+          LOG(ERROR) << "Failed to convert nan capabilities response";
+          return;
+      }
+
+      for (const auto& callback : shared_ptr_this->event_callbacks_) {
+        if (!callback->eventMatch(hidl_struct).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+        }
+      }
+  };
+
+  callback_handlers.on_event_match_expired = [weak_ptr_this](
+        const legacy_hal::NanMatchExpiredInd& msg) {
+      const auto shared_ptr_this = weak_ptr_this.promote();
+      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+        LOG(ERROR) << "Callback invoked on an invalid object";
+        return;
+      }
+      for (const auto& callback : shared_ptr_this->event_callbacks_) {
+        if (!callback->eventMatchExpired(msg.publish_subscribe_id,
+                msg.requestor_instance_id).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+        }
+      }
+  };
+
+  callback_handlers.on_event_followup = [weak_ptr_this](
+        const legacy_hal::NanFollowupInd& msg) {
+      const auto shared_ptr_this = weak_ptr_this.promote();
+      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+        LOG(ERROR) << "Callback invoked on an invalid object";
+        return;
+      }
+      NanFollowupReceivedInd hidl_struct;
+      if (!hidl_struct_util::convertLegacyNanFollowupIndToHidl(
+            msg, &hidl_struct)) {
+          LOG(ERROR) << "Failed to convert nan capabilities response";
+          return;
+      }
+
+      for (const auto& callback : shared_ptr_this->event_callbacks_) {
+        if (!callback->eventFollowupReceived(hidl_struct).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+        }
+      }
+  };
+
+  callback_handlers.on_event_transmit_follow_up = [weak_ptr_this](
+        const legacy_hal::NanTransmitFollowupInd& msg) {
+      const auto shared_ptr_this = weak_ptr_this.promote();
+      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+        LOG(ERROR) << "Callback invoked on an invalid object";
+        return;
+      }
+      WifiNanStatus status;
+      status.status = hidl_struct_util::convertLegacyNanStatusTypeToHidl(msg.reason);
+      status.description = msg.nan_reason;
+
+      for (const auto& callback : shared_ptr_this->event_callbacks_) {
+        if (!callback->eventTransmitFollowup(msg.id, status).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+        }
+      }
+  };
+
+  callback_handlers.on_event_data_path_request = [weak_ptr_this](
+        const legacy_hal::NanDataPathRequestInd& msg) {
+      const auto shared_ptr_this = weak_ptr_this.promote();
+      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+        LOG(ERROR) << "Callback invoked on an invalid object";
+        return;
+      }
+      NanDataPathRequestInd hidl_struct;
+      if (!hidl_struct_util::convertLegacyNanDataPathRequestIndToHidl(
+            msg, &hidl_struct)) {
+          LOG(ERROR) << "Failed to convert nan capabilities response";
+          return;
+      }
+
+      for (const auto& callback : shared_ptr_this->event_callbacks_) {
+        if (!callback->eventDataPathRequest(hidl_struct).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+        }
+      }
+  };
+
+  callback_handlers.on_event_data_path_confirm = [weak_ptr_this](
+        const legacy_hal::NanDataPathConfirmInd& msg) {
+      const auto shared_ptr_this = weak_ptr_this.promote();
+      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+        LOG(ERROR) << "Callback invoked on an invalid object";
+        return;
+      }
+      NanDataPathConfirmInd hidl_struct;
+      if (!hidl_struct_util::convertLegacyNanDataPathConfirmIndToHidl(
+            msg, &hidl_struct)) {
+          LOG(ERROR) << "Failed to convert nan capabilities response";
+          return;
+      }
+
+      for (const auto& callback : shared_ptr_this->event_callbacks_) {
+        if (!callback->eventDataPathConfirm(hidl_struct).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+        }
+      }
+  };
+
+  callback_handlers.on_event_data_path_end = [weak_ptr_this](
+        const legacy_hal::NanDataPathEndInd& msg) {
+      const auto shared_ptr_this = weak_ptr_this.promote();
+      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+        LOG(ERROR) << "Callback invoked on an invalid object";
+        return;
+      }
+      for (const auto& callback : shared_ptr_this->event_callbacks_) {
+        for (int i = 0; i < msg.num_ndp_instances; ++i) {
+            if (!callback->eventDataPathTerminated(msg.ndp_instance_id[i]).isOk()) {
+                LOG(ERROR) << "Failed to invoke the callback";
+            }
+        }
+      }
+  };
+
+  callback_handlers.on_event_beacon_sdf_payload = [weak_ptr_this](
+        const legacy_hal::NanBeaconSdfPayloadInd& msg) {
+      const auto shared_ptr_this = weak_ptr_this.promote();
+      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
+        LOG(ERROR) << "Callback invoked on an invalid object";
+        return;
+      }
+      NanBeaconSdfPayloadInd hidl_struct;
+      if (!hidl_struct_util::convertLegacyNanBeaconSdfPayloadIndToHidl(
+            msg, &hidl_struct)) {
+          LOG(ERROR) << "Failed to convert nan capabilities response";
+          return;
+      }
+
+      for (const auto& callback : shared_ptr_this->event_callbacks_) {
+        if (!callback->eventBeaconSdfPayload(hidl_struct).isOk()) {
+            LOG(ERROR) << "Failed to invoke the callback";
+        }
+      }
+  };
+
   legacy_hal::wifi_error legacy_status =
       legacy_hal_.lock()->nanRegisterCallbackHandlers(callback_handlers);
   if (legacy_status != legacy_hal::WIFI_SUCCESS) {
@@ -90,6 +433,13 @@
                          hidl_status_cb);
 }
 
+Return<void> WifiNanIface::getType(getType_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                         &WifiNanIface::getTypeInternal,
+                         hidl_status_cb);
+}
+
 Return<void> WifiNanIface::registerEventCallback(
     const sp<IWifiNanIfaceEventCallback>& callback,
     registerEventCallback_cb hidl_status_cb) {
@@ -100,7 +450,16 @@
                          callback);
 }
 
-Return<void> WifiNanIface::enableRequest(uint32_t cmd_id,
+Return<void> WifiNanIface::getCapabilitiesRequest(uint16_t cmd_id,
+                                                  getCapabilitiesRequest_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                         &WifiNanIface::getCapabilitiesRequestInternal,
+                         hidl_status_cb,
+                         cmd_id);
+}
+
+Return<void> WifiNanIface::enableRequest(uint16_t cmd_id,
                                          const NanEnableRequest& msg,
                                          enableRequest_cb hidl_status_cb) {
   return validateAndCall(this,
@@ -111,75 +470,7 @@
                          msg);
 }
 
-Return<void> WifiNanIface::disableRequest(uint32_t cmd_id,
-                                          disableRequest_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::disableRequestInternal,
-                         hidl_status_cb,
-                         cmd_id);
-}
-
-Return<void> WifiNanIface::publishRequest(uint32_t cmd_id,
-                                          const NanPublishRequest& msg,
-                                          publishRequest_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::publishRequestInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         msg);
-}
-
-Return<void> WifiNanIface::publishCancelRequest(
-    uint32_t cmd_id,
-    const NanPublishCancelRequest& msg,
-    publishCancelRequest_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::publishCancelRequestInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         msg);
-}
-
-Return<void> WifiNanIface::subscribeRequest(
-    uint32_t cmd_id,
-    const NanSubscribeRequest& msg,
-    subscribeRequest_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::subscribeRequestInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         msg);
-}
-
-Return<void> WifiNanIface::subscribeCancelRequest(
-    uint32_t cmd_id,
-    const NanSubscribeCancelRequest& msg,
-    subscribeCancelRequest_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::subscribeCancelRequestInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         msg);
-}
-
-Return<void> WifiNanIface::transmitFollowupRequest(
-    uint32_t cmd_id,
-    const NanTransmitFollowupRequest& msg,
-    transmitFollowupRequest_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::transmitFollowupRequestInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         msg);
-}
-
-Return<void> WifiNanIface::configRequest(uint32_t cmd_id,
+Return<void> WifiNanIface::configRequest(uint16_t cmd_id,
                                          const NanConfigRequest& msg,
                                          configRequest_cb hidl_status_cb) {
   return validateAndCall(this,
@@ -190,8 +481,134 @@
                          msg);
 }
 
+Return<void> WifiNanIface::disableRequest(uint16_t cmd_id,
+                                          disableRequest_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                         &WifiNanIface::disableRequestInternal,
+                         hidl_status_cb,
+                         cmd_id);
+}
+
+Return<void> WifiNanIface::startPublishRequest(uint16_t cmd_id,
+                                               const NanPublishRequest& msg,
+                                               startPublishRequest_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                         &WifiNanIface::startPublishRequestInternal,
+                         hidl_status_cb,
+                         cmd_id,
+                         msg);
+}
+
+Return<void> WifiNanIface::stopPublishRequest(
+    uint16_t cmd_id,
+    uint16_t sessionId,
+    stopPublishRequest_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                         &WifiNanIface::stopPublishRequestInternal,
+                         hidl_status_cb,
+                         cmd_id,
+                         sessionId);
+}
+
+Return<void> WifiNanIface::startSubscribeRequest(
+    uint16_t cmd_id,
+    const NanSubscribeRequest& msg,
+    startSubscribeRequest_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                         &WifiNanIface::startSubscribeRequestInternal,
+                         hidl_status_cb,
+                         cmd_id,
+                         msg);
+}
+
+Return<void> WifiNanIface::stopSubscribeRequest(
+    uint16_t cmd_id,
+    uint16_t sessionId,
+    stopSubscribeRequest_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                         &WifiNanIface::stopSubscribeRequestInternal,
+                         hidl_status_cb,
+                         cmd_id,
+                         sessionId);
+}
+
+Return<void> WifiNanIface::transmitFollowupRequest(
+    uint16_t cmd_id,
+    const NanTransmitFollowupRequest& msg,
+    transmitFollowupRequest_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                         &WifiNanIface::transmitFollowupRequestInternal,
+                         hidl_status_cb,
+                         cmd_id,
+                         msg);
+}
+
+Return<void> WifiNanIface::createDataInterfaceRequest(
+    uint16_t cmd_id,
+    const hidl_string& iface_name,
+    createDataInterfaceRequest_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                         &WifiNanIface::createDataInterfaceRequestInternal,
+                         hidl_status_cb,
+                         cmd_id,
+                         iface_name);
+}
+
+Return<void> WifiNanIface::deleteDataInterfaceRequest(
+    uint16_t cmd_id,
+    const hidl_string& iface_name,
+    deleteDataInterfaceRequest_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                         &WifiNanIface::deleteDataInterfaceRequestInternal,
+                         hidl_status_cb,
+                         cmd_id,
+                         iface_name);
+}
+
+Return<void> WifiNanIface::initiateDataPathRequest(
+    uint16_t cmd_id,
+    const NanInitiateDataPathRequest& msg,
+    initiateDataPathRequest_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                         &WifiNanIface::initiateDataPathRequestInternal,
+                         hidl_status_cb,
+                         cmd_id,
+                         msg);
+}
+
+Return<void> WifiNanIface::respondToDataPathIndicationRequest(
+    uint16_t cmd_id,
+    const NanRespondToDataPathIndicationRequest& msg,
+    respondToDataPathIndicationRequest_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                         &WifiNanIface::respondToDataPathIndicationRequestInternal,
+                         hidl_status_cb,
+                         cmd_id,
+                         msg);
+}
+
+Return<void> WifiNanIface::terminateDataPathRequest(uint16_t cmd_id, uint32_t ndpInstanceId,
+    terminateDataPathRequest_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                         &WifiNanIface::terminateDataPathRequestInternal,
+                         hidl_status_cb,
+                         cmd_id,
+                         ndpInstanceId);
+}
+
 Return<void> WifiNanIface::beaconSdfPayloadRequest(
-    uint32_t cmd_id,
+    uint16_t cmd_id,
     const NanBeaconSdfPayloadRequest& msg,
     beaconSdfPayloadRequest_cb hidl_status_cb) {
   return validateAndCall(this,
@@ -202,88 +619,6 @@
                          msg);
 }
 
-Return<void> WifiNanIface::getVersion(getVersion_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::getVersionInternal,
-                         hidl_status_cb);
-}
-
-Return<void> WifiNanIface::getCapabilities(uint32_t cmd_id,
-                                           getCapabilities_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::getCapabilitiesInternal,
-                         hidl_status_cb,
-                         cmd_id);
-}
-
-Return<void> WifiNanIface::dataInterfaceCreate(
-    uint32_t cmd_id,
-    const hidl_string& iface_name,
-    dataInterfaceCreate_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::dataInterfaceCreateInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         iface_name);
-}
-
-Return<void> WifiNanIface::dataInterfaceDelete(
-    uint32_t cmd_id,
-    const hidl_string& iface_name,
-    dataInterfaceDelete_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::dataInterfaceDeleteInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         iface_name);
-}
-
-Return<void> WifiNanIface::dataRequestInitiator(
-    uint32_t cmd_id,
-    const NanDataPathInitiatorRequest& msg,
-    dataRequestInitiator_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::dataRequestInitiatorInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         msg);
-}
-
-Return<void> WifiNanIface::dataIndicationResponse(
-    uint32_t cmd_id,
-    const NanDataPathIndicationResponse& msg,
-    dataIndicationResponse_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::dataIndicationResponseInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         msg);
-}
-
-Return<void> WifiNanIface::dataEnd(uint32_t cmd_id,
-                                   const NanDataPathEndRequest& msg,
-                                   dataEnd_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::dataEndInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         msg);
-}
-
-Return<void> WifiNanIface::getType(getType_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::getTypeInternal,
-                         hidl_status_cb);
-}
-
 std::pair<WifiStatus, std::string> WifiNanIface::getNameInternal() {
   return {createWifiStatus(WifiStatusCode::SUCCESS), ifname_};
 }
@@ -294,16 +629,24 @@
 
 WifiStatus WifiNanIface::registerEventCallbackInternal(
     const sp<IWifiNanIfaceEventCallback>& callback) {
-  // TODO(b/31632518): remove the callback when the client is destroyed
+  // TODO(b/31632518): remove the callback when the client is destroyed and/or
+  // make sure that the same callback is only registered once (i.e. detect duplicates)
+  // OR: consider having a single listener - not clear why multiple listeners (managers) are
+  // necessary, nor how they would coordinate (at least command IDs).
   event_callbacks_.emplace_back(callback);
   return createWifiStatus(WifiStatusCode::SUCCESS);
 }
 
-WifiStatus WifiNanIface::enableRequestInternal(uint32_t cmd_id,
+WifiStatus WifiNanIface::getCapabilitiesRequestInternal(uint16_t cmd_id) {
+  legacy_hal::wifi_error legacy_status =
+        legacy_hal_.lock()->nanGetCapabilities(cmd_id);
+  return createWifiStatusFromLegacyError(legacy_status);
+}
+
+WifiStatus WifiNanIface::enableRequestInternal(uint16_t cmd_id,
                                                const NanEnableRequest& msg) {
   legacy_hal::NanEnableRequest legacy_msg;
-  if (!hidl_struct_util::convertHidlNanEnableRequestToLegacy(msg,
-                                                             &legacy_msg)) {
+  if (!hidl_struct_util::convertHidlNanEnableRequestToLegacy(msg, &legacy_msg)) {
     return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
   }
   legacy_hal::wifi_error legacy_status =
@@ -311,14 +654,26 @@
   return createWifiStatusFromLegacyError(legacy_status);
 }
 
-WifiStatus WifiNanIface::disableRequestInternal(uint32_t cmd_id) {
+WifiStatus WifiNanIface::configRequestInternal(
+    uint16_t cmd_id, const NanConfigRequest& msg) {
+  legacy_hal::NanConfigRequest legacy_msg;
+  if (!hidl_struct_util::convertHidlNanConfigRequestToLegacy(msg,
+                                                             &legacy_msg)) {
+    return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+  }
+  legacy_hal::wifi_error legacy_status =
+      legacy_hal_.lock()->nanConfigRequest(cmd_id, legacy_msg);
+  return createWifiStatusFromLegacyError(legacy_status);
+}
+
+WifiStatus WifiNanIface::disableRequestInternal(uint16_t cmd_id) {
   legacy_hal::wifi_error legacy_status =
       legacy_hal_.lock()->nanDisableRequest(cmd_id);
   return createWifiStatusFromLegacyError(legacy_status);
 }
 
-WifiStatus WifiNanIface::publishRequestInternal(uint32_t cmd_id,
-                                                const NanPublishRequest& msg) {
+WifiStatus WifiNanIface::startPublishRequestInternal(uint16_t cmd_id,
+                                                     const NanPublishRequest& msg) {
   legacy_hal::NanPublishRequest legacy_msg;
   if (!hidl_struct_util::convertHidlNanPublishRequestToLegacy(msg,
                                                               &legacy_msg)) {
@@ -329,20 +684,17 @@
   return createWifiStatusFromLegacyError(legacy_status);
 }
 
-WifiStatus WifiNanIface::publishCancelRequestInternal(
-    uint32_t cmd_id, const NanPublishCancelRequest& msg) {
+WifiStatus WifiNanIface::stopPublishRequestInternal(
+    uint16_t cmd_id, uint16_t sessionId) {
   legacy_hal::NanPublishCancelRequest legacy_msg;
-  if (!hidl_struct_util::convertHidlNanPublishCancelRequestToLegacy(
-          msg, &legacy_msg)) {
-    return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
-  }
+  legacy_msg.publish_id = sessionId;
   legacy_hal::wifi_error legacy_status =
       legacy_hal_.lock()->nanPublishCancelRequest(cmd_id, legacy_msg);
   return createWifiStatusFromLegacyError(legacy_status);
 }
 
-WifiStatus WifiNanIface::subscribeRequestInternal(
-    uint32_t cmd_id, const NanSubscribeRequest& msg) {
+WifiStatus WifiNanIface::startSubscribeRequestInternal(
+    uint16_t cmd_id, const NanSubscribeRequest& msg) {
   legacy_hal::NanSubscribeRequest legacy_msg;
   if (!hidl_struct_util::convertHidlNanSubscribeRequestToLegacy(msg,
                                                                 &legacy_msg)) {
@@ -353,59 +705,81 @@
   return createWifiStatusFromLegacyError(legacy_status);
 }
 
-WifiStatus WifiNanIface::subscribeCancelRequestInternal(
-    uint32_t /* cmd_id */, const NanSubscribeCancelRequest& /* msg */) {
-  // TODO implement
-  return createWifiStatus(WifiStatusCode::SUCCESS);
+WifiStatus WifiNanIface::stopSubscribeRequestInternal(
+    uint16_t cmd_id, uint16_t sessionId) {
+  legacy_hal::NanSubscribeCancelRequest legacy_msg;
+  legacy_msg.subscribe_id = sessionId;
+  legacy_hal::wifi_error legacy_status =
+      legacy_hal_.lock()->nanSubscribeCancelRequest(cmd_id, legacy_msg);
+  return createWifiStatusFromLegacyError(legacy_status);
 }
+
 WifiStatus WifiNanIface::transmitFollowupRequestInternal(
-    uint32_t /* cmd_id */, const NanTransmitFollowupRequest& /* msg */) {
-  // TODO implement
-  return createWifiStatus(WifiStatusCode::SUCCESS);
+    uint16_t cmd_id, const NanTransmitFollowupRequest& msg) {
+  legacy_hal::NanTransmitFollowupRequest legacy_msg;
+  if (!hidl_struct_util::convertHidlNanTransmitFollowupRequestToLegacy(msg, &legacy_msg)) {
+    return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+  }
+  legacy_hal::wifi_error legacy_status =
+      legacy_hal_.lock()->nanTransmitFollowupRequest(cmd_id, legacy_msg);
+  return createWifiStatusFromLegacyError(legacy_status);
 }
-WifiStatus WifiNanIface::configRequestInternal(
-    uint32_t /* cmd_id */, const NanConfigRequest& /* msg */) {
-  // TODO implement
-  return createWifiStatus(WifiStatusCode::SUCCESS);
+
+WifiStatus WifiNanIface::createDataInterfaceRequestInternal(
+    uint16_t cmd_id, const std::string& iface_name) {
+  legacy_hal::wifi_error legacy_status =
+      legacy_hal_.lock()->nanDataInterfaceCreate(cmd_id, iface_name);
+  return createWifiStatusFromLegacyError(legacy_status);
+}
+WifiStatus WifiNanIface::deleteDataInterfaceRequestInternal(
+    uint16_t cmd_id, const std::string& iface_name) {
+  legacy_hal::wifi_error legacy_status =
+      legacy_hal_.lock()->nanDataInterfaceDelete(cmd_id, iface_name);
+  return createWifiStatusFromLegacyError(legacy_status);
+}
+WifiStatus WifiNanIface::initiateDataPathRequestInternal(
+    uint16_t cmd_id, const NanInitiateDataPathRequest& msg) {
+  legacy_hal::NanDataPathInitiatorRequest legacy_msg;
+  if (!hidl_struct_util::convertHidlNanDataPathInitiatorRequestToLegacy(msg, &legacy_msg)) {
+    return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+  }
+  legacy_hal::wifi_error legacy_status =
+      legacy_hal_.lock()->nanDataRequestInitiator(cmd_id, legacy_msg);
+  return createWifiStatusFromLegacyError(legacy_status);
+}
+WifiStatus WifiNanIface::respondToDataPathIndicationRequestInternal(
+    uint16_t cmd_id, const NanRespondToDataPathIndicationRequest& msg) {
+  legacy_hal::NanDataPathIndicationResponse legacy_msg;
+  if (!hidl_struct_util::convertHidlNanDataPathIndicationResponseToLegacy(msg, &legacy_msg)) {
+    return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+  }
+  legacy_hal::wifi_error legacy_status =
+      legacy_hal_.lock()->nanDataIndicationResponse(cmd_id, legacy_msg);
+  return createWifiStatusFromLegacyError(legacy_status);
+}
+WifiStatus WifiNanIface::terminateDataPathRequestInternal(
+    uint16_t cmd_id, uint32_t ndpInstanceId) {
+  legacy_hal::NanDataPathEndRequest* legacy_msg = (legacy_hal::NanDataPathEndRequest*)malloc(
+      sizeof(legacy_hal::NanDataPathEndRequest) + sizeof(uint32_t));
+  legacy_msg->num_ndp_instances = 1;
+  legacy_msg->ndp_instance_id[0] = ndpInstanceId;
+
+  legacy_hal::wifi_error legacy_status =
+      legacy_hal_.lock()->nanDataEnd(cmd_id, *legacy_msg);
+  free(legacy_msg);
+  return createWifiStatusFromLegacyError(legacy_status);
 }
 WifiStatus WifiNanIface::beaconSdfPayloadRequestInternal(
-    uint32_t /* cmd_id */, const NanBeaconSdfPayloadRequest& /* msg */) {
-  // TODO implement
-  return createWifiStatus(WifiStatusCode::SUCCESS);
+    uint16_t cmd_id, const NanBeaconSdfPayloadRequest& msg) {
+  legacy_hal::NanBeaconSdfPayloadRequest legacy_msg;
+  if (!hidl_struct_util::convertHidlNanBeaconSdfPayloadRequestToLegacy(msg, &legacy_msg)) {
+    return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
+  }
+  legacy_hal::wifi_error legacy_status =
+      legacy_hal_.lock()->nanBeaconSdfPayloadRequest(cmd_id, legacy_msg);
+  return createWifiStatusFromLegacyError(legacy_status);
 }
-std::pair<WifiStatus, NanVersion> WifiNanIface::getVersionInternal() {
-  // TODO implement
-  return {createWifiStatus(WifiStatusCode::SUCCESS), 0};
-}
-WifiStatus WifiNanIface::getCapabilitiesInternal(uint32_t /* cmd_id */) {
-  // TODO implement
-  return createWifiStatus(WifiStatusCode::SUCCESS);
-}
-WifiStatus WifiNanIface::dataInterfaceCreateInternal(
-    uint32_t /* cmd_id */, const std::string& /* iface_name */) {
-  // TODO implement
-  return createWifiStatus(WifiStatusCode::SUCCESS);
-}
-WifiStatus WifiNanIface::dataInterfaceDeleteInternal(
-    uint32_t /* cmd_id */, const std::string& /* iface_name */) {
-  // TODO implement
-  return createWifiStatus(WifiStatusCode::SUCCESS);
-}
-WifiStatus WifiNanIface::dataRequestInitiatorInternal(
-    uint32_t /* cmd_id */, const NanDataPathInitiatorRequest& /* msg */) {
-  // TODO implement
-  return createWifiStatus(WifiStatusCode::SUCCESS);
-}
-WifiStatus WifiNanIface::dataIndicationResponseInternal(
-    uint32_t /* cmd_id */, const NanDataPathIndicationResponse& /* msg */) {
-  // TODO implement
-  return createWifiStatus(WifiStatusCode::SUCCESS);
-}
-WifiStatus WifiNanIface::dataEndInternal(
-    uint32_t /* cmd_id */, const NanDataPathEndRequest& /* msg */) {
-  // TODO implement
-  return createWifiStatus(WifiStatusCode::SUCCESS);
-}
+
 }  // namespace implementation
 }  // namespace V1_0
 }  // namespace wifi
diff --git a/wifi/1.0/default/wifi_nan_iface.h b/wifi/1.0/default/wifi_nan_iface.h
index 4f89b31..4fae3df 100644
--- a/wifi/1.0/default/wifi_nan_iface.h
+++ b/wifi/1.0/default/wifi_nan_iface.h
@@ -46,58 +46,50 @@
   Return<void> registerEventCallback(
       const sp<IWifiNanIfaceEventCallback>& callback,
       registerEventCallback_cb hidl_status_cb) override;
-  Return<void> enableRequest(uint32_t cmd_id,
+  Return<void> getCapabilitiesRequest(uint16_t cmd_id,
+                                      getCapabilitiesRequest_cb hidl_status_cb) override;
+  Return<void> enableRequest(uint16_t cmd_id,
                              const NanEnableRequest& msg,
                              enableRequest_cb hidl_status_cb) override;
-  Return<void> disableRequest(uint32_t cmd_id,
-                              disableRequest_cb hidl_status_cb) override;
-  Return<void> publishRequest(uint32_t cmd_id,
-                              const NanPublishRequest& msg,
-                              publishRequest_cb hidl_status_cb) override;
-  Return<void> publishCancelRequest(
-      uint32_t cmd_id,
-      const NanPublishCancelRequest& msg,
-      publishCancelRequest_cb hidl_status_cb) override;
-  Return<void> subscribeRequest(uint32_t cmd_id,
-                                const NanSubscribeRequest& msg,
-                                subscribeRequest_cb hidl_status_cb) override;
-  Return<void> subscribeCancelRequest(
-      uint32_t cmd_id,
-      const NanSubscribeCancelRequest& msg,
-      subscribeCancelRequest_cb hidl_status_cb) override;
-  Return<void> transmitFollowupRequest(
-      uint32_t cmd_id,
-      const NanTransmitFollowupRequest& msg,
-      transmitFollowupRequest_cb hidl_status_cb) override;
-  Return<void> configRequest(uint32_t cmd_id,
+  Return<void> configRequest(uint16_t cmd_id,
                              const NanConfigRequest& msg,
                              configRequest_cb hidl_status_cb) override;
-  Return<void> beaconSdfPayloadRequest(
-      uint32_t cmd_id,
-      const NanBeaconSdfPayloadRequest& msg,
-      beaconSdfPayloadRequest_cb hidl_status_cb) override;
-  Return<void> getVersion(getVersion_cb hidl_status_cb) override;
-  Return<void> getCapabilities(uint32_t cmd_id,
-                               getCapabilities_cb hidl_status_cb) override;
-  Return<void> dataInterfaceCreate(
-      uint32_t cmd_id,
-      const hidl_string& iface_name,
-      dataInterfaceCreate_cb hidl_status_cb) override;
-  Return<void> dataInterfaceDelete(
-      uint32_t cmd_id,
-      const hidl_string& iface_name,
-      dataInterfaceDelete_cb hidl_status_cb) override;
-  Return<void> dataRequestInitiator(
-      uint32_t cmd_id,
-      const NanDataPathInitiatorRequest& msg,
-      dataRequestInitiator_cb hidl_status_cb) override;
-  Return<void> dataIndicationResponse(
-      uint32_t cmd_id,
-      const NanDataPathIndicationResponse& msg,
-      dataIndicationResponse_cb hidl_status_cb) override;
-  Return<void> dataEnd(uint32_t cmd_id,
-                       const NanDataPathEndRequest& msg,
-                       dataEnd_cb hidl_status_cb) override;
+  Return<void> disableRequest(uint16_t cmd_id,
+                              disableRequest_cb hidl_status_cb) override;
+  Return<void> startPublishRequest(uint16_t cmd_id,
+                                   const NanPublishRequest& msg,
+                                   startPublishRequest_cb hidl_status_cb) override;
+  Return<void> stopPublishRequest(uint16_t cmd_id,
+                                  uint16_t sessionId,
+                                  stopPublishRequest_cb hidl_status_cb) override;
+  Return<void> startSubscribeRequest(uint16_t cmd_id,
+                                     const NanSubscribeRequest& msg,
+                                    startSubscribeRequest_cb hidl_status_cb) override;
+  Return<void> stopSubscribeRequest(uint16_t cmd_id,
+                                    uint16_t sessionId,
+                                    stopSubscribeRequest_cb hidl_status_cb) override;
+  Return<void> transmitFollowupRequest(uint16_t cmd_id,
+                                       const NanTransmitFollowupRequest& msg,
+                                       transmitFollowupRequest_cb hidl_status_cb) override;
+  Return<void> createDataInterfaceRequest(uint16_t cmd_id,
+                                          const hidl_string& iface_name,
+                                          createDataInterfaceRequest_cb hidl_status_cb) override;
+  Return<void> deleteDataInterfaceRequest(uint16_t cmd_id,
+                                          const hidl_string& iface_name,
+                                          deleteDataInterfaceRequest_cb hidl_status_cb) override;
+  Return<void> initiateDataPathRequest(uint16_t cmd_id,
+                                       const NanInitiateDataPathRequest& msg,
+                                       initiateDataPathRequest_cb hidl_status_cb) override;
+  Return<void> respondToDataPathIndicationRequest(
+      uint16_t cmd_id,
+      const NanRespondToDataPathIndicationRequest& msg,
+      respondToDataPathIndicationRequest_cb hidl_status_cb) override;
+  Return<void> terminateDataPathRequest(uint16_t cmd_id,
+                                        uint32_t ndpInstanceId,
+                                        terminateDataPathRequest_cb hidl_status_cb) override;
+  Return<void> beaconSdfPayloadRequest(uint16_t cmd_id,
+                                       const NanBeaconSdfPayloadRequest& msg,
+                                       beaconSdfPayloadRequest_cb hidl_status_cb) override;
 
  private:
   // Corresponding worker functions for the HIDL methods.
@@ -105,34 +97,32 @@
   std::pair<WifiStatus, IfaceType> getTypeInternal();
   WifiStatus registerEventCallbackInternal(
       const sp<IWifiNanIfaceEventCallback>& callback);
-  WifiStatus enableRequestInternal(uint32_t cmd_id,
+  WifiStatus getCapabilitiesRequestInternal(uint16_t cmd_id);
+  WifiStatus enableRequestInternal(uint16_t cmd_id,
                                    const NanEnableRequest& msg);
-  WifiStatus disableRequestInternal(uint32_t cmd_id);
-  WifiStatus publishRequestInternal(uint32_t cmd_id,
-                                    const NanPublishRequest& msg);
-  WifiStatus publishCancelRequestInternal(uint32_t cmd_id,
-                                          const NanPublishCancelRequest& msg);
-  WifiStatus subscribeRequestInternal(uint32_t cmd_id,
-                                      const NanSubscribeRequest& msg);
-  WifiStatus subscribeCancelRequestInternal(
-      uint32_t cmd_id, const NanSubscribeCancelRequest& msg);
-  WifiStatus transmitFollowupRequestInternal(
-      uint32_t cmd_id, const NanTransmitFollowupRequest& msg);
-  WifiStatus configRequestInternal(uint32_t cmd_id,
+  WifiStatus configRequestInternal(uint16_t cmd_id,
                                    const NanConfigRequest& msg);
+  WifiStatus disableRequestInternal(uint16_t cmd_id);
+  WifiStatus startPublishRequestInternal(uint16_t cmd_id,
+                                         const NanPublishRequest& msg);
+  WifiStatus stopPublishRequestInternal(uint16_t cmd_id, uint16_t sessionId);
+  WifiStatus startSubscribeRequestInternal(uint16_t cmd_id,
+                                           const NanSubscribeRequest& msg);
+  WifiStatus stopSubscribeRequestInternal(uint16_t cmd_id, uint16_t sessionId);
+  WifiStatus transmitFollowupRequestInternal(
+      uint16_t cmd_id, const NanTransmitFollowupRequest& msg);
+  WifiStatus createDataInterfaceRequestInternal(uint16_t cmd_id,
+                                                const std::string& iface_name);
+  WifiStatus deleteDataInterfaceRequestInternal(uint16_t cmd_id,
+                                                const std::string& iface_name);
+  WifiStatus initiateDataPathRequestInternal(
+      uint16_t cmd_id, const NanInitiateDataPathRequest& msg);
+  WifiStatus respondToDataPathIndicationRequestInternal(
+      uint16_t cmd_id, const NanRespondToDataPathIndicationRequest& msg);
+  WifiStatus terminateDataPathRequestInternal(
+      uint16_t cmd_id, uint32_t ndpInstanceId);
   WifiStatus beaconSdfPayloadRequestInternal(
-      uint32_t cmd_id, const NanBeaconSdfPayloadRequest& msg);
-  std::pair<WifiStatus, NanVersion> getVersionInternal();
-  WifiStatus getCapabilitiesInternal(uint32_t cmd_id);
-  WifiStatus dataInterfaceCreateInternal(uint32_t cmd_id,
-                                         const std::string& iface_name);
-  WifiStatus dataInterfaceDeleteInternal(uint32_t cmd_id,
-                                         const std::string& iface_name);
-  WifiStatus dataRequestInitiatorInternal(
-      uint32_t cmd_id, const NanDataPathInitiatorRequest& msg);
-  WifiStatus dataIndicationResponseInternal(
-      uint32_t cmd_id, const NanDataPathIndicationResponse& msg);
-  WifiStatus dataEndInternal(uint32_t cmd_id, const NanDataPathEndRequest& msg);
+      uint16_t cmd_id, const NanBeaconSdfPayloadRequest& msg);
 
   std::string ifname_;
   std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal_;