platform_hardware_interfaces/radio/1.6/IRadio.hal

/*
 * Copyright (C) 2020 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.hardware.radio@1.6;


import @1.0::CdmaSmsMessage;
import @1.0::GsmSmsMessage;
import @1.2::DataRequestReason;
import @1.5::IRadio;
import @1.5::AccessNetwork;
import @1.5::DataProfileInfo;
import @1.5::LinkAddress;

/**
 * This interface is used by telephony and telecom to talk to cellular radio.
 * All the functions have minimum one parameter:
 * serial: which corresponds to serial no. of request. Serial numbers must only be memorized for the
 * duration of a method call. If clients provide colliding serials (including passing the same
 * serial to different methods), multiple responses (one for each method call) must still be served.
 * setResponseFunctions must work with @1.6::IRadioResponse and @1.6::IRadioIndication.
 */
interface IRadio extends @1.5::IRadio {
    /**
     * Toggle radio on and off (for "airplane" mode)
     * If the radio is turned off/on the radio modem subsystem
     * is expected return to an initialized state. For instance,
     * any voice and data calls must be terminated and all associated
     * lists emptied.
     *
     * When setting radio power on to exit from airplane mode to place an emergency call on this
     * logical modem, powerOn, forEmergencyCall and preferredForEmergencyCall must be true. In
     * this case, this modem is optimized to scan only emergency call bands, until:
     * 1) Emergency call is completed; or
     * 2) Another setRadioPower_1_5 is issued with forEmergencyCall being false or
     * preferredForEmergencyCall being false; or
     * 3) Timeout after 30 seconds if dial or emergencyDial is not called.
     * Once one of these conditions is reached, the modem should move into normal operation.
     *
     * @param serial Serial number of request.
     * @param powerOn To turn on radio -> on = true, to turn off radio -> on = false.
     * @param forEmergencyCall To indication to radio if this request is due to emergency call.
     *      No effect if powerOn is false.
     * @param preferredForEmergencyCall indicate whether the following emergency call will be sent
     *      on this modem or not. No effect if forEmergencyCall is false, or powerOn is false.
     *
     * Response callback is IRadioConfigResponse. setRadioPowerResponse_1_6.

     * Note this API is the same as the 1.5
     */
    oneway setRadioPower_1_6(int32_t serial, bool powerOn, bool forEmergencyCall,
            bool preferredForEmergencyCall);

    /**
     * Returns the data call list. An entry is added when a setupDataCall() is issued and removed
     * on a deactivateDataCall(). The list is emptied when setRadioPower()  off/on issued or when
     * the vendor HAL or modem crashes.
     *
     * @param serial Serial number of request.
     *
     * Response function is IRadioResponse.getDataCallListResponse_1_6()
     */
    oneway getDataCallList_1_6(int32_t serial);

    /**
     * Setup a packet data connection. If DataCallResponse.status returns DataCallFailCause:NONE,
     * the data connection must be added to data calls and a unsolDataCallListChanged() must be
     * sent. The call remains until removed by subsequent unsolDataCallIstChanged(). It may be
     * lost due to many factors, including deactivateDataCall() being issued, the radio powered
     * off, reception lost or even transient factors like congestion. This data call list is
     * returned by getDataCallList() and dataCallListChanged().
     *
     * The Radio is expected to:
     *   - Create one data call context.
     *   - Create and configure a dedicated interface for the context.
     *   - The interface must be point to point.
     *   - The interface is configured with one or more addresses and is capable of sending and
     *     receiving packets. The format is IP address with optional "/" prefix length
     *     (The format is defined in RFC-4291 section 2.3). For example, "192.0.1.3",
     *     "192.0.1.11/16", or "2001:db8::1/64". Typically one IPv4 or one IPv6 or one of each. If
     *     the prefix length is absent, then the addresses are assumed to be point to point with
     *     IPv4 with prefix length 32 or IPv6 with prefix length 128.
     *   - Must not modify routing configuration related to this interface; routing management is
     *     exclusively within the purview of the Android OS.
     *   - Support simultaneous data call contexts up to DataRegStateResult.maxDataCalls specified
     *     in the response of getDataRegistrationState.
     *
     * @param serial Serial number of request.
     * @param accessNetwork The access network to setup the data call. If the data connection cannot
     *     be established on the specified access network then it should be responded with an error.
     * @param dataProfileInfo Data profile info.
     * @param roamingAllowed Indicates whether or not data roaming is allowed by the user.
     * @param reason The request reason. Must be DataRequestReason:NORMAL or
     *     DataRequestReason:HANDOVER.
     * @param addresses If the reason is DataRequestReason:HANDOVER, this indicates the list of link
     *     addresses of the existing data connection. This parameter must be ignored unless reason
     *     is DataRequestReason:HANDOVER.
     * @param dnses If the reason is DataRequestReason:HANDOVER, this indicates the list of DNS
     *     addresses of the existing data connection. The format is defined in RFC-4291 section 2.2.
     *     For example, "192.0.1.3" or "2001:db8::1". This parameter must be ignored unless reason
     *     is DataRequestReason:HANDOVER.
     *
     * Response function is IRadioResponse.setupDataCallResponse_1_6()
     *
     * Note this API is the same as the 1.5
     */
    oneway setupDataCall_1_6(int32_t serial, AccessNetwork accessNetwork,
            DataProfileInfo dataProfileInfo, bool roamingAllowed,
            DataRequestReason reason, vec<LinkAddress> addresses, vec<string> dnses);

    /**
     * Send an SMS message
     *
     * @param serial Serial number of request.
     * @param message GsmSmsMessage as defined in types.hal
     *
     * Response function is IRadioResponse.sendSmsResponse_1_6()
     *
     * Note this API is the same as the 1.0
     *
     * Based on the return error, caller decides to resend if sending sms
     * fails. RadioError:SMS_SEND_FAIL_RETRY means retry (i.e. error cause is 332)
     * and RadioError:GENERIC_FAILURE means no retry (i.e. error cause is 500)
     */
    oneway sendSms_1_6(int32_t serial, GsmSmsMessage message);

    /**
     * Send an SMS message. Identical to sendSms_1_6,
     * except that more messages are expected to be sent soon. If possible,
     * keep SMS relay protocol link open (eg TS 27.005 AT+CMMS command)
     *
     * @param serial Serial number of request.
     * @param message GsmSmsMessage as defined in types.hal
     *
     * Response function is IRadioResponse.sendSMSExpectMoreResponse_1_6()
     *
     * Note this API is the same as the 1.0
     *
     * Based on the return error, caller decides to resend if sending sms
     * fails. RadioError:SMS_SEND_FAIL_RETRY means retry (i.e. error cause is 332)
     * and RadioError:GENERIC_FAILURE means no retry (i.e. error cause is 500)
     */
    oneway sendSMSExpectMore_1_6(int32_t serial, GsmSmsMessage message);

    /**
     * Send a CDMA SMS message
     *
     * @param serial Serial number of request.
     * @param sms Cdma Sms to be sent described by CdmaSmsMessage in types.hal
     *
     * Response callback is IRadioResponse.sendCdmaSmsResponse_1_6()
     *
     * Note this API is the same as the 1.0
     *
     */
    oneway sendCdmaSms_1_6(int32_t serial, CdmaSmsMessage sms);

    /**
     * Send an SMS message. Identical to sendCdmaSms_1_6,
     * except that more messages are expected to be sent soon.
     *
     * @param serial Serial number of request.
     * @param sms Cdma Sms to be sent described by CdmaSmsMessage in types.hal
     *
     * Response callback is IRadioResponse.sendCdmaSMSExpectMoreResponse_1_6()
     *
     * Note this API is the same as the 1.5
     *
     */
    oneway sendCdmaSmsExpectMore_1_6(int32_t serial, CdmaSmsMessage sms);

    /**
     * Enable or disable E-UTRA-NR dual connectivity. If disabled then UE will not connect
     * to secondary carrier.
     *
     * @param serial Serial number of request.
     * @param nrDualConnectivityState expected NR dual connectivity state.
     * 1. Enable NR dual connectivity {NrDualConnectivityState:ENABLE}
     * 2. Disable NR dual connectivity {NrDualConnectivityState:DISABLE}
     * 3. Disable NR dual connectivity and force secondary cell to be released
     * {NrDualConnectivityState:DISABLE_IMMEDIATE}

     * Response callback is IRadioResponse.enableNRDualConnectivityResponse()
     */
    oneway enableNrDualConnectivity(int32_t serial,
            NrDualConnectivityState nrDualConnectivityState);

    /**
     * Is E-UTRA-NR Dual Connectivity enabled
     *
     * @param serial Serial number of request.
     * Response callback is IRadioResponse.isNRDualConnectivityEnabledResponse()
     */
    oneway isNrDualConnectivityEnabled(int32_t serial);

    /**
     * Reserves an unallocated pdu session id from the pool of ids.
     *
     * The allocated id is returned in the response.
     *
     * When the id is no longer needed, call releasePduSessionId to
     * return it to the pool.
     *
     * Reference: 3GPP TS 24.007 section 11.2.3.1b
     *
     * @param serial Serial number of request.
     *
     * Response function is IRadioResponse.allocatePduSessionIdResponse()
     */
    oneway allocatePduSessionId(int32_t serial);

    /**
     * Releases a pdu session id that was previously allocated using
     * allocatePduSessionId.
     *
     * Reference: 3GPP TS 24.007 section 11.2.3.1b
     * @param serial Serial number of request.
     * @param id Pdu session id to release.
     *
     * Response function is IRadioResponse.releasePduSessionIdResponse()
     */
    oneway releasePduSessionId(int32_t serial, int32_t id);

    /**
     * Indicates that a handover to the IWLAN transport has begun.
     *
     * Any resources being transferred to the IWlan transport cannot be released while a
     * handover is underway. For example, if a pdu session id needs to be
     * transferred to IWlan, then, the modem should not release the id while
     * the handover is in progress.
     *
     * If a handover was unsuccessful, then the framework calls IRadio::cancelHandover.
     * The modem retains ownership over any of the resources being transferred to IWlan.
     *
     * If a handover was successful, the framework calls IRadio::deactivateDataCall with reason
     * HANDOVER. The IWlan transport now owns the transferred resources and is responsible for
     * releasing them.
     *
     * @param serial Serial number of request.
     * @param id callId The identifier of the data call which is provided in SetupDataCallResult
     *
     * Response function is IRadioResponse.beginHandoverResponse()
     */
    oneway beginHandover(int32_t serial, int32_t callId);

    /**
     * Indicates that a handover was cancelled after a call to IRadio::beginHandover.
     *
     * Since the handover was unsuccessful, the modem retains ownership over any of the resources
     * being transferred and is still responsible for releasing them.
     *
     * @param serial Serial number of request.
     * @param id callId The identifier of the data call which is provided in SetupDataCallResult
     *
     * Response function is IRadioResponse.cancelHandoverResponse()
     */
    oneway cancelHandover(int32_t serial, int32_t callId);
};