Added IWLAN handover support

Bug: 196597630
Test: atest DataNetworkControllerTest DataRetryManagerTest DataNetworkTest
Change-Id: Iaf9cef37994ea8eb0e56c068dd39b9dee2d3ca90

telephony/java/android/telephony/CarrierConfigManager.java

@@ -5230,7 +5230,7 @@ public class CarrierConfigManager {
             "telephony_network_capability_priorities_string_array";
 
     /**
-     * Defines the rules for data retry.
+     * Defines the rules for data setup retry.
      *
      * The syntax of the retry rule:
      * 1. Retry based on {@link NetworkCapabilities}. Note that only APN-type network capabilities
@@ -5262,8 +5262,34 @@ public class CarrierConfigManager {
      * // TODO: remove KEY_CARRIER_DATA_CALL_RETRY_CONFIG_STRINGS
      * @hide
      */
-    public static final String KEY_TELEPHONY_DATA_RETRY_RULES_STRING_ARRAY =
+    public static final String KEY_TELEPHONY_DATA_SETUP_RETRY_RULES_STRING_ARRAY =
-            "telephony_data_retry_rules_string_array";
+            "telephony_data_setup_retry_rules_string_array";
+
+    /**
+     * Defines the rules for data handover retry.
+     *
+     * The syntax of the retry rule:
+     * 1. Retry when handover fails.
+     * "retry_interval=[n1|n2|n3|...], [maximum_retries=n]"
+     *
+     * For example,
+     * "retry_interval=1000|3000|5000, maximum_retries=10" means handover retry will happen in 1s,
+     * 3s, 5s, 5s, 5s....up to 10 times.
+     *
+     * 2. Retry when handover fails with certain fail causes.
+     * "retry_interval=[n1|n2|n3|...], fail_causes=[cause1|cause2|cause3|...], [maximum_retries=n]
+     *
+     * For example,
+     * "retry_interval=1000, maximum_retries=3, fail_causes=5" means handover retry every 1 second
+     * for up to 3 times when handover fails with the cause 5.
+     *
+     * "maximum_retries=0, fail_causes=6|10|67" means handover retry should not happen for those
+     * causes.
+     *
+     * @hide
+     */
+    public static final String KEY_TELEPHONY_DATA_HANDOVER_RETRY_RULES_STRING_ARRAY =
+            "telephony_data_handover_retry_rules_string_array";
 
     /**
      * The patterns of missed incoming call sms. This is the regular expression used for
@@ -5624,7 +5650,7 @@ public class CarrierConfigManager {
                 "others:max_retries=3, 5000, 5000, 5000"});
         sDefaults.putLong(KEY_CARRIER_DATA_CALL_APN_DELAY_DEFAULT_LONG, 20000);
         sDefaults.putLong(KEY_CARRIER_DATA_CALL_APN_DELAY_FASTER_LONG, 3000);
-        sDefaults.putLong(KEY_CARRIER_DATA_CALL_APN_RETRY_AFTER_DISCONNECT_LONG, 10000);
+        sDefaults.putLong(KEY_CARRIER_DATA_CALL_APN_RETRY_AFTER_DISCONNECT_LONG, 3000);
         sDefaults.putInt(KEY_CARRIER_DATA_CALL_RETRY_NETWORK_REQUESTED_MAX_COUNT_INT, 3);
         sDefaults.putString(KEY_CARRIER_ERI_FILE_NAME_STRING, "eri.xml");
         sDefaults.putInt(KEY_DURATION_BLOCKING_DISABLED_AFTER_EMERGENCY_INT, 7200);
@@ -6108,7 +6134,7 @@ public class CarrierConfigManager {
                         "ims:40", "dun:30", "enterprise:20", "internet:20"
                 });
         sDefaults.putStringArray(
-                KEY_TELEPHONY_DATA_RETRY_RULES_STRING_ARRAY, new String[] {
+                KEY_TELEPHONY_DATA_SETUP_RETRY_RULES_STRING_ARRAY, new String[] {
                         "capabilities=eims, retry_interval=1000, maximum_retries=20",
                         "fail_causes=8|27|28|29|30|32|33|35|50|51|111|-5|-6|65537|65538|-3|2253|"
                                 + "2254, maximum_retries=0", // No retry for those causes
@@ -6117,6 +6143,10 @@ public class CarrierConfigManager {
                                 + "5000|10000|15000|20000|40000|60000|120000|240000|"
                                 + "600000|1200000|1800000, maximum_retries=20"
                 });
+        sDefaults.putStringArray(
+                KEY_TELEPHONY_DATA_HANDOVER_RETRY_RULES_STRING_ARRAY, new String[] {
+                        "retry_interval=1000|2000|4000|8000|16000, maximum_retries=5"
+                });
         sDefaults.putStringArray(KEY_MISSED_INCOMING_CALL_SMS_PATTERN_STRING_ARRAY, new String[0]);
         sDefaults.putBoolean(KEY_DISABLE_DUN_APN_WHILE_ROAMING_WITH_PRESET_APN_BOOL, false);
         sDefaults.putString(KEY_DEFAULT_PREFERRED_APN_NAME_STRING, "");