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源码阅读：AOSPXRef

常用日志关键字

Note：">"下发MD，"<"MD上报，[]中的id有请求和返回的对应关系

KEY	Comment
> OPERATOR	下发MD，请求运营商信息
< OPERATOR	MD上报运营商注册信息
> DATA_REGISTRATION_STATE	下发MD请求驻网状态信息
< DATA_REGISTRATION_STATE	MD上报驻网状态
Poll ServiceState done	SST 更新网络状态完成
updateSpnDisplayCdnr	网络状态变化触发SPN更新

实网Log分析

// radio关闭时不会更新SPN

03-27 14:23:59.808824  2120  2120 D MTKSST  : [GsmSST1] updateSpnDisplay: radio is off w/ showPlmn=true plmn=null

03-27 14:23:59.808919  2120  2120 D MTKSST  : [GsmSST1] updateSpnDisplay: rawSpn = 

// 还没获取到运营商信息。（请求运营商信息的过程很快，耗时短，都不需要半秒的）

03-27 14:23:29.955064  2120  2120 D RILJ    : [1938]> OPERATOR [PHONE0]

03-27 14:23:29.967462  2120  2455 D RILJ    : [1938]< OPERATOR {, , } [PHONE0]

// 还没驻网成功，搜网或处于飞行模式

03-27 14:23:59.737880  2120  2585 D RILJ    : [1984]> DATA_REGISTRATION_STATE [PHONE0]
03-27 14:23:59.747966  2120  2455 D RILJ    : [1984]< DATA_REGISTRATION_STATE {.regState = NOT_REG_MT_SEARCHING_OP, .rat = UNKNOWN, .reasonForDenial = NONE, .cellIdentity = {.noinit = {}}, .registeredPlmn = , .accessTechnologySpecificInfo = {.noinit = {}}} [PHONE0]

// 驻网在本地LTE网络，从mccmnc和registeredPlmn可以确认。

疑问：根据什么确认显示alphaLong还是alphaShort？

03-27 14:23:59.969940  2120  2585 D RILJ    : [1988]> DATA_REGISTRATION_STATE [PHONE0]

03-27 14:24:00.049672  2120  2455 D RILJ    : [1988]< DATA_REGISTRATION_STATE {.regState = REG_HOME, .rat = LTE, .reasonForDenial = NONE, .cellIdentity = {.lte = {.base = {.base = {.mcc = 722, .mnc = 07, .ci = 256, .pci = 0, .tac = 1, .earfcn = 2525}, .operatorNames = {.alphaLong = AR - Movistar, .alphaShort = Movistar}, .bandwidth = 10000}, .additionalPlmns = [], .optionalCsgInfo = {.noinit = {}}, .bands = [5]}}, .registeredPlmn = 72207, .accessTechnologySpecificInfo = {.eutranInfo = {.lteVopsInfo = {.isVopsSupported = true, .isEmcBearerSupported = true}, .nrIndicators = {.isEndcAvailable = false, .isDcNrRestricted = false, .isNrAvailable = false}}}} [PHONE0]

03-27 14:23:59.960990  2120  2120 D RILJ    : [1986]> OPERATOR [PHONE0]

// 通知应用程序网络状态发生变化

03-27 14:23:59.986333  2120  2455 D RILJ    : Unsol response received; Sending ack to ril.cpp [PHONE0]
03-27 14:23:59.986511  2120  2455 D RILJ    : [UNSL]< UNSOL_RESPONSE_NETWORK_STATE_CHANGED [PHONE0]

// 驻网信息，由Modem根据当时注册网络的信息上报的，和Telephony的SST信息一致。

03-27 14:23:59.987577  2120  2455 D RILJ    : [1986]< OPERATOR {AR - Movistar, Movistar, 72207} [PHONE0]

// CS在无线局域网，注册在HOME LTE（在CS域中，语音和短信数据通过电路交换方式传输），可用服务：[VOICE, SMS, VIDEO]

03-27 14:24:00.057818  2120  2585 D NRM-C-0 : onRequestNetworkRegistrationInfoComplete result: 0, info: NetworkRegistrationInfo{ domain=CS transportType=WWAN registrationState=HOME networkRegistrationState=HOME roamingType=NOT_ROAMING accessNetworkTechnology=LTE rejectCause=0 emergencyEnabled=false availableServices=[VOICE,SMS,VIDEO] cellIdentity=CellIdentityLte:{ mCi=256 mPci=0 mTac=1 mEarfcn=2525 mBands=[5] mBandwidth=10000 mMcc=722 mMnc=07 mAlphaLong=AR - Movistar mAlphaShort=Movistar mAdditionalPlmns={} mCsgInfo=null} voiceSpecificInfo=VoiceSpecificRegistrationInfo { mCssSupported=false mRoamingIndicator=0 mSystemIsInPrl=0 mDefaultRoamingIndicator=0} dataSpecificInfo=null nrState=**** rRplmn=72207 isUsingCarrierAggregation=false}

// PS状态变化，从搜网到注册完成，驻网在HOME LTE，具备DATA能力，

03-27 14:24:00.074533  2120  2601 D NRM-I-0 : onRequestNetworkRegistrationInfoComplete result: 0, info: NetworkRegistrationInfo{ domain=PS transportType=WLAN registrationState=NOT_REG_OR_SEARCHING networkRegistrationState=NOT_REG_OR_SEARCHING roamingType=NOT_ROAMING accessNetworkTechnology=UNKNOWN rejectCause=0 emergencyEnabled=false availableServices=[] cellIdentity=null voiceSpecificInfo=null dataSpecificInfo=android.telephony.DataSpecificRegistrationInfo :{ maxDataCalls = 0 isDcNrRestricted = false isNrAvailable = false isEnDcAvailable = false mLteAttachResultType = 0 mLteAttachExtraInfo = 0 LteVopsSupportInfo :  mVopsSupport = 1 mEmcBearerSupport = 1 } nrState=**** rRplmn=null isUsingCarrierAggregation=false}

03-27 14:24:00.103294  2120  2585 D NRM-C-0 : onRequestNetworkRegistrationInfoComplete result: 0, info: NetworkRegistrationInfo{ domain=PS transportType=WWAN registrationState=HOME networkRegistrationState=HOME roamingType=NOT_ROAMING accessNetworkTechnology=LTE rejectCause=0 emergencyEnabled=false availableServices=[DATA] cellIdentity=CellIdentityLte:{ mCi=256 mPci=0 mTac=1 mEarfcn=2525 mBands=[5] mBandwidth=10000 mMcc=722 mMnc=07 mAlphaLong=AR - Movistar mAlphaShort=Movistar mAdditionalPlmns={} mCsgInfo=null} voiceSpecificInfo=null dataSpecificInfo=android.telephony.DataSpecificRegistrationInfo :{ maxDataCalls = 16 isDcNrRestricted = false isNrAvailable = false isEnDcAvailable = false mLteAttachResultType = 0 mLteAttachExtraInfo = 0 LteVopsSupportInfo :  mVopsSupport = 2 mEmcBearerSupport = 2 } nrState=**** rRplmn=72207 isUsingCarrierAggregation=false}

// TS.25是MD配，但是来源TS.25的SPN显示优先级很低

03-27 14:24:00.208931  2120  2120 D MtkRILJ : lookupOperatorNameMVNO plmn name update to TS.25/MVNO: AR - Movistar

// ServiceState 更新网络状态完成，切换到LTE，alphatag更新到AR - Movistar

03-27 14:24:00.223138  2120  2120 D MTKSST  : [GsmSST0] Poll ServiceState done: newSS={mVoiceRegState=0(IN_SERVICE), mDataRegState=0(IN_SERVICE), mChannelNumber=2525, duplexMode()=1, mCellBandwidths=[10000], mOperatorAlphaLong=AR - Movistar, mOperatorAlphaShort=AR - Movistar, isManualNetworkSelection=false(automatic), getRilVoiceRadioTechnology=14(LTE), getRilDataRadioTechnology=14(LTE), mCssIndicator=unsupported, mNetworkId=-1, mSystemId=-1, mCdmaRoamingIndicator=-1, mCdmaDefaultRoamingIndicator=-1, mIsEmergencyOnly=false, isUsingCarrierAggregation=false, mArfcnRsrpBoost=0, mNetworkRegistrationInfos=[NetworkRegistrationInfo{ domain=PS transportType=WLAN registrationState=NOT_REG_OR_SEARCHING networkRegistrationState=NOT_REG_OR_SEARCHING roamingType=NOT_ROAMING accessNetworkTechnology=UNKNOWN rejectCause=0 emergencyEnabled=false availableServices=[] cellIdentity=null voiceSpecificInfo=null dataSpecificInfo=android.telephony.DataSpecificRegistrationInfo :{ maxDataCalls = 0 isDcNrRestricted = false isNrAvailable = false isEnDcAvailable = false mLteAttachResultType = 0 mLteAttachExtraInfo = 0 LteVopsSupportInfo :  mVopsSupport = 1 mEmcBearerSupport = 1 } nrState=**** rRplmn=null isUsingCarrierAggregation=false}, NetworkRegistrationInfo{ domain=CS transportType=WWAN registrationState=HOME networkRegistrationState=HOME roamingType=NOT_ROAMING accessNetworkTechnology=LTE rejectCause=0 emergencyEnabled=false availableServices=[VOICE,SMS,VIDEO] cellIdentity=CellIdentityLte:{ mCi=256 mPci=0 mTac=1 mEarfcn=2525 mBands=[5] mBandwidth=10000 mMcc=722 mMnc=07 mAlphaLong=AR - Movistar mAlphaShort=AR - Movistar mAdditionalPlmns={} mCsgInfo=null} voiceSpecificInfo=VoiceSpecificRegistrationInfo { mCssSupported=false mRoamingIndicator=0 mSystemIsInPrl=0 mDefaultRoamingIndicator=0} dataSpecificInfo=null nrState=**** rRplmn=72207 isUsingCarrierAggregation=false}, NetworkRegistrationInfo{ domain=PS transportType=WWAN registrationState=HOME networkRegistrationState=HOME roamingType=NOT_ROAMING accessNetworkTechnology=LTE rejectCause=0 emergencyEnabled=false availableServices=[DATA] cellIdentity=CellIdentityLte:{ mCi=256 mPci=0 mTac=1 mEarfcn=2525 mBands=[5] mBandwidth=10000 mMcc=722 mMnc=07 mAlphaLong=AR - Movistar mAlphaShort=AR - Movistar mAdditionalPlmns={} mCsgInfo=null} voiceSpecificInfo=null dataSpecificInfo=android.telephony.DataSpecificRegistrationInfo :{ maxDataCalls = 16 isDcNrRestricted = false isNrAvailable = false isEnDcAvailable = false mLteAttachResultType = 0 mLteAttachExtraInfo = 0 LteVopsSupportInfo :  mVopsSupport = 2 mEmcBearerSupport = 2 } nrState=**** rRplmn=72207 isUsingCarrierAggregation=false}], mNrFrequencyRange=0, mOperatorAlphaLongRaw=AR - Movistar, mOperatorAlphaShortRaw=Movistar, mIsDataRoamingFromRegistration=false, mIsIwlanPreferred=false}

03-27 14:24:00.224207  2120  2120 D MTKSST  : [GsmSST0] RAT switched Unknown -> LTE at cell 256

// 非漫游，根据EF中displayRule显示SPN值，但是实际界面显示了PLMN

03-27 14:24:00.252327  2120  2120 D MTKSST  : [GsmSST0] carrierName=, overrideName=

03-27 14:24:00.252465  2120  2120 D ServiceStateTracker: [0] updateSpnDisplayCdnr: curSpn = ; curPlmn = AR - Movistar; curDisplayRule = 2

03-27 14:24:00.258072  2120  2120 I CDNR : getCarrierDisplayNameFromEf withoutRoaming = false

03-27 14:24:00.258204  2120  2120 I CDNR : getCarrierDisplayNameFromEf registeredPlmnNumeric = 72207; isRoaming = false; showSpn = true; showPlmn = false; spn = 

// 根据EF内容，更新了SPN为AR - Movistar，同PLMN，所以会显示AR - Movistar

03-27 14:24:00.258433  2120  2120 D CDNR : getCarrierDisplayNameFromEf displayRule = { SPN_bit = 2, PLMN_bit = 0 }; spn = AR - Movistar; plmn = AR - MovistarshowSpn = true; showPlmn = false

03-27 14:24:00.258617  2120  2120 D CDNR : CarrierName from EF: { spn = AR - Movistar, dataSpn = null, showSpn = true, plmn = AR - Movistar, showPlmn = false

03-27 14:24:00.267668  2120  2120 D ServiceStateTracker: [0] updateTctSpnDisplay: updateSpnDisplay: changed sending intent, rule=2, showPlmn='false', plmn='AR - Movistar', showSpn='true', spn='AR - Movistar', dataSpn='null', subId='2'

03-27 14:24:00.303102  2120  2120 D ServiceStateTracker: [0] setCarrierText simNumeric:72207, operatorNumeric:72207, gid1:FFFFFFFF, carrierText:AR - Movistar

相关说明

1、不同平台的Modem配置TS.25或许会存在差异，比如6835芯片的配置路径在modem_t_6835 / mcu/custom/service/plmn/TS25。

2、TS25文件用于显示运营商名称，较新的平台机制（带MIPC的平台）才移到Modem维护的。没有TS.25时，会在Telephony AP侧配置，spn-conf.xml中。

定制方案

无法修改网络上报的信息，客制化只能在Telphony FW中配置运营商名称期望值。

针对平台定义的运营商名称，修改在spn-conf.xml，具体看mk编译生效文件的路径，可能用：

• /device/mediatek/system/common/
• /device/mediatek/common/

<spnOverride numeric="72207" spn="Movistar"/>
<spnOverride numeric="722070" spn="Movistar"/>