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Commit 9aeeb52a authored by Ling Ma's avatar Ling Ma
Browse files

Configure auto data switch score table 

Configure a table to switch mobile data base on RAT and signal strength.

Bug: 260928808
Test: phone call + data browsing
Test: basic testing b/286044642 and b/286043947
Change-Id: Ibda3ff35ba5f590b48f61f2f29e2b75aa8a1c0b5
parent 6b2c4495

core/res/res/values/config_telephony.xml

+9 −0
Original line number Diff line number Diff line
@@ -67,6 +67,15 @@ 
    <bool name="auto_data_switch_ping_test_before_switch">true</bool>

    <java-symbol type="bool" name="auto_data_switch_ping_test_before_switch" />



    <!-- Define the tolerated gap of score for auto data switch decision, larger than which the

         device will switch to the SIM with higher score. The score is used in conjunction with the

         score table defined in

         CarrierConfigManager#KEY_AUTO_DATA_SWITCH_RAT_SIGNAL_SCORE_STRING_ARRAY.

         If 0, the device always switch to the higher score SIM.

         If < 0, the network type and signal strength based auto switch is disabled. -->

    <integer name="auto_data_switch_score_tolerance">3000</integer>

    <java-symbol type="integer" name="auto_data_switch_score_tolerance" />



    <!-- Boolean indicating whether the Iwlan data service supports persistence of iwlan ipsec

         tunnels across service restart. If iwlan tunnels are not persisted across restart,

         Framework will clean up dangling data connections when service restarts -->

telephony/java/android/telephony/CarrierConfigManager.java

+66 −0
Original line number Diff line number Diff line
@@ -9730,6 +9730,27 @@ public class CarrierConfigManager { 
    public static final String KEY_IWLAN_HANDOVER_POLICY_STRING_ARRAY =

            "iwlan_handover_policy_string_array";



    /**

     * Score table for {@link TelephonyManager#MOBILE_DATA_POLICY_AUTO_DATA_SWITCH}. The score is

     * used in conjunction with a tolerance value defined in resource config

     * {@code auto_data_switch_score_tolerance}, greater than which device will switch to the sub

     * with higher score.

     * Possible keys are network type name string(also see {@link #KEY_BANDWIDTH_STRING_ARRAY}).

     * Value should be "score_level_0, score_level_1, score_level_2, score_level_3,score_level_4".

     * Each network type must have 5 scores correspond to {@link CellSignalStrength}, where score is

     * a non-negative integer. A score of 0 is treated the same as data out of service.

     *

     * For NR (5G), the following network names should be used:

     * - NR_NSA: NR NSA, sub-6 frequencies

     * - NR_NSA_MMWAVE: NR NSA, mmwave frequencies

     * - NR_SA: NR SA, sub-6 frequencies

     * - NR_SA_MMWAVE: NR SA, mmwave frequencies

     *

     * @hide

     */

    public static final String KEY_AUTO_DATA_SWITCH_RAT_SIGNAL_SCORE_BUNDLE =

            "auto_data_switch_rat_signal_score_string_bundle";



    /** The default value for every variable. */

    private static final PersistableBundle sDefaults;
@@ -10404,6 +10425,51 @@ public class CarrierConfigManager { 
        sDefaults.putStringArray(KEY_IWLAN_HANDOVER_POLICY_STRING_ARRAY, new String[]{

                "source=GERAN|UTRAN|EUTRAN|NGRAN|IWLAN, "

                        + "target=GERAN|UTRAN|EUTRAN|NGRAN|IWLAN, type=allowed"});

        PersistableBundle auto_data_switch_rat_signal_score_string_bundle = new PersistableBundle();

        auto_data_switch_rat_signal_score_string_bundle.putIntArray(

                "NR_SA_MMWAVE", new int[]{10000, 13227, 16000, 18488, 20017});

        auto_data_switch_rat_signal_score_string_bundle.putIntArray(

                "NR_NSA_MMWAVE", new int[]{8000, 10227, 12488, 15017, 15278});

        auto_data_switch_rat_signal_score_string_bundle.putIntArray(

                "LTE", new int[]{3731, 5965, 8618, 11179, 13384});

        auto_data_switch_rat_signal_score_string_bundle.putIntArray(

                "NR_SA", new int[]{5288, 6795, 6955, 7562, 9713});

        auto_data_switch_rat_signal_score_string_bundle.putIntArray(

                "NR_NSA", new int[]{5463, 6827, 8029, 9007, 9428});

        auto_data_switch_rat_signal_score_string_bundle.putIntArray(

                "UMTS", new int[]{100, 169, 183, 192, 300});

        auto_data_switch_rat_signal_score_string_bundle.putIntArray(

                "eHRPD", new int[]{10, 400, 600, 800, 1000});

        auto_data_switch_rat_signal_score_string_bundle.putIntArray(

                "TD_SCDMA", new int[]{1, 100, 500, 1000});

        auto_data_switch_rat_signal_score_string_bundle.putIntArray(

                "iDEN", new int[]{1, 2, 10, 50, 100});

        auto_data_switch_rat_signal_score_string_bundle.putIntArray(

                "EvDo_B", new int[]{1000, 1495, 2186, 2532, 2600});

        auto_data_switch_rat_signal_score_string_bundle.putIntArray(

                "HSPA+", new int[]{1619, 2500, 3393, 4129, 4212});

        auto_data_switch_rat_signal_score_string_bundle.putIntArray(

                "HSPA", new int[]{1000, 1495, 2186, 2532, 2544});

        auto_data_switch_rat_signal_score_string_bundle.putIntArray(

                "HSUPA", new int[]{1500, 1919, 2132, 2362, 2704});

        auto_data_switch_rat_signal_score_string_bundle.putIntArray(

                "HSDPA", new int[]{1500, 1732, 4000, 7000, 8000});

        auto_data_switch_rat_signal_score_string_bundle.putIntArray(

                "EvDo_A", new int[]{600, 840, 1200, 1300, 1400});

        auto_data_switch_rat_signal_score_string_bundle.putIntArray(

                "EvDo_0", new int[]{300, 600, 1000, 1500, 2000});

        auto_data_switch_rat_signal_score_string_bundle.putIntArray(

                "1xRTT", new int[]{50, 60, 70, 80});

        auto_data_switch_rat_signal_score_string_bundle.putIntArray(

                "EDGE", new int[]{154, 169, 183, 192, 267});

        auto_data_switch_rat_signal_score_string_bundle.putIntArray(

                "GPRS", new int[]{15, 30, 40, 45, 50});

        auto_data_switch_rat_signal_score_string_bundle.putIntArray(

                "CDMA", new int[]{1, 50, 100, 300, 2000});

        auto_data_switch_rat_signal_score_string_bundle.putIntArray(

                "GSM", new int[]{1, 2, 10, 50, 100});

        sDefaults.putPersistableBundle(KEY_AUTO_DATA_SWITCH_RAT_SIGNAL_SCORE_BUNDLE,

                auto_data_switch_rat_signal_score_string_bundle);

        sDefaults.putInt(KEY_CELLULAR_USAGE_SETTING_INT,

                SubscriptionManager.USAGE_SETTING_UNKNOWN);

        // Default data stall recovery configurations.