diff --git a/location/agnss/v2_0/IAGnssCallback.idl b/location/agnss/v2_0/IAGnssCallback.idl
index ab6b01488c8357764c97296bdaeedbcf5cf15207..2a7ab5fbd3cd5febfad2426e3c69735502e2c2e4 100644
--- a/location/agnss/v2_0/IAGnssCallback.idl
+++ b/location/agnss/v2_0/IAGnssCallback.idl
@@ -79,5 +79,16 @@ import ohos.hdi.location.agnss.v2_0.AGnssTypes;
      * @version 2.0
      */
     RequestAgnssRefInfo([in] enum AGnssRefInfoType type);
+
+    /*
+     * @brief Request the upper layer to perform DNS query.
+     *
+     * @param fqdn Indicates the domain name for DNS query.
+     * @return Returns <b>0</b> if send request successed; returns a negative value otherwise.
+     *
+     * @since 6.0
+     * @version 2.0
+     */
+    RequestSuplDns([in] String fqdn);
 }
 /** @} */
\ No newline at end of file
diff --git a/location/agnss/v2_0/IAGnssInterface.idl b/location/agnss/v2_0/IAGnssInterface.idl
index a166b6afff5331107af820aa5c85ec69cc1251d4..d4d3a4861c8565088ba5271149783d62bd997747 100644
--- a/location/agnss/v2_0/IAGnssInterface.idl
+++ b/location/agnss/v2_0/IAGnssInterface.idl
@@ -106,5 +106,16 @@ interface IAGnssInterface {
      * @version 2.0
      */
     SendNetworkState([in] struct NetworkState state);
+
+    /*
+     * @brief Send ipAddr to AGNSS module.
+     *
+     * @param ipAddr Indicates the ip address.
+     * @return Returns <b>0</b> if send successed; returns a negative value otherwise.
+     *
+     * @since 6.0
+     * @version 2.0
+     */
+    SetSuplDnsResult([in] String ipAddr);
 }
 /** @} */
\ No newline at end of file