diff --git a/radio/aidl/compat/libradiocompat/Android.bp b/radio/aidl/compat/libradiocompat/Android.bp
index 43d9378..5294de4 100644
--- a/radio/aidl/compat/libradiocompat/Android.bp
+++ b/radio/aidl/compat/libradiocompat/Android.bp
@@ -56,7 +56,9 @@
         "libutils",
     ],
     srcs: [
+        "DriverContext.cpp",
         "RadioCompatBase.cpp",
+        "RadioIndication.cpp",
         "RadioResponse.cpp",
         "commonStructs.cpp",
         "config/RadioConfig.cpp",
diff --git a/radio/aidl/compat/libradiocompat/DriverContext.cpp b/radio/aidl/compat/libradiocompat/DriverContext.cpp
new file mode 100644
index 0000000..a07173e
--- /dev/null
+++ b/radio/aidl/compat/libradiocompat/DriverContext.cpp
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+
+#include <libradiocompat/DriverContext.h>
+
+namespace android::hardware::radio::compat {
+
+namespace aidl = ::aidl::android::hardware::radio;
+
+void DriverContext::addDataProfile(const aidl::data::DataProfileInfo& profile) {
+    mDataProfiles[profile.apn] = profile;
+}
+
+aidl::data::DataProfileInfo DriverContext::getDataProfile(const std::string& apn) {
+    const auto it = mDataProfiles.find(apn);
+    if (it != mDataProfiles.end()) return it->second;
+
+    // if not found in cache, return a made up default
+    return {
+            .apn = apn,
+    };
+}
+
+}  // namespace android::hardware::radio::compat
diff --git a/radio/aidl/compat/libradiocompat/RadioCompatBase.cpp b/radio/aidl/compat/libradiocompat/RadioCompatBase.cpp
index a9eac68..dba6c19 100644
--- a/radio/aidl/compat/libradiocompat/RadioCompatBase.cpp
+++ b/radio/aidl/compat/libradiocompat/RadioCompatBase.cpp
@@ -20,12 +20,13 @@
 
 namespace android::hardware::radio::compat {
 
-RadioCompatBase::RadioCompatBase(sp<V1_5::IRadio> hidlHal, sp<RadioResponse> radioResponse,
-                                 sp<RadioIndication> radioIndication)
-    : mHal1_5(hidlHal),
+RadioCompatBase::RadioCompatBase(std::shared_ptr<DriverContext> context, sp<V1_5::IRadio> hidlHal,
+                                 sp<RadioResponse> radioResponse, sp<RadioIndication> radioInd)
+    : mContext(context),
+      mHal1_5(hidlHal),
       mHal1_6(V1_6::IRadio::castFrom(hidlHal)),
       mRadioResponse(radioResponse),
-      mRadioIndication(radioIndication) {}
+      mRadioIndication(radioInd) {}
 
 V1_6::IRadioResponse& RadioCompatBase::respond() {
     CHECK(mRadioResponse) << "This shouldn't happen (response functions are passed in constructor)";
diff --git a/radio/aidl/compat/libradiocompat/RadioIndication.cpp b/radio/aidl/compat/libradiocompat/RadioIndication.cpp
new file mode 100644
index 0000000..30ef6a0
--- /dev/null
+++ b/radio/aidl/compat/libradiocompat/RadioIndication.cpp
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+
+#include <libradiocompat/RadioIndication.h>
+
+namespace android::hardware::radio::compat {
+
+RadioIndication::RadioIndication(std::shared_ptr<DriverContext> context) : mContext(context) {}
+
+}  // namespace android::hardware::radio::compat
diff --git a/radio/aidl/compat/libradiocompat/RadioResponse.cpp b/radio/aidl/compat/libradiocompat/RadioResponse.cpp
index 35b0ac1..e1bd446 100644
--- a/radio/aidl/compat/libradiocompat/RadioResponse.cpp
+++ b/radio/aidl/compat/libradiocompat/RadioResponse.cpp
@@ -22,6 +22,8 @@
 
 namespace android::hardware::radio::compat {
 
+RadioResponse::RadioResponse(std::shared_ptr<DriverContext> context) : mContext(context) {}
+
 Return<void> RadioResponse::acknowledgeRequest(int32_t serial) {
     LOG_CALL << serial;
     // TODO(b/203699028): send to correct requestor or confirm if spam is not a problem
diff --git a/radio/aidl/compat/libradiocompat/data/RadioData.cpp b/radio/aidl/compat/libradiocompat/data/RadioData.cpp
index fdb1273..cc6f526 100644
--- a/radio/aidl/compat/libradiocompat/data/RadioData.cpp
+++ b/radio/aidl/compat/libradiocompat/data/RadioData.cpp
@@ -139,14 +139,15 @@
         const aidl::DataProfileInfo& dataProfileInfo, bool roamingAllowed,
         aidl::DataRequestReason reason, const std::vector<aidl::LinkAddress>& addresses,
         const std::vector<std::string>& dnses, int32_t pduSessId,
-        const std::optional<aidl::SliceInfo>& sliceInfo,
-        const std::optional<aidl::TrafficDescriptor>& trDesc, bool matchAllRuleAllowed) {
+        const std::optional<aidl::SliceInfo>& sliceInfo, bool matchAllRuleAllowed) {
     if (mHal1_6) {
         mHal1_6->setupDataCall_1_6(  //
                 serial, V1_5::AccessNetwork(accessNetwork), toHidl(dataProfileInfo), roamingAllowed,
                 V1_2::DataRequestReason(reason), toHidl(addresses), toHidl(dnses), pduSessId,
                 toHidl<V1_6::OptionalSliceInfo>(sliceInfo),
-                toHidl<V1_6::OptionalTrafficDescriptor>(trDesc), matchAllRuleAllowed);
+                toHidl<V1_6::OptionalTrafficDescriptor>(dataProfileInfo.trafficDescriptor),
+                matchAllRuleAllowed);
+        mContext->addDataProfile(dataProfileInfo);
     } else {
         mHal1_5->setupDataCall_1_5(  //
                 serial, V1_5::AccessNetwork(accessNetwork), toHidl(dataProfileInfo), roamingAllowed,
diff --git a/radio/aidl/compat/libradiocompat/data/RadioIndication-data.cpp b/radio/aidl/compat/libradiocompat/data/RadioIndication-data.cpp
index f51d1a8..a680e56 100644
--- a/radio/aidl/compat/libradiocompat/data/RadioIndication-data.cpp
+++ b/radio/aidl/compat/libradiocompat/data/RadioIndication-data.cpp
@@ -83,7 +83,7 @@
                                             const hidl_string& apn) {
     LOG_CALL << type;
     CHECK_CB(mDataCb);
-    mDataCb->unthrottleApn(toAidl(type), apn);
+    mDataCb->unthrottleApn(toAidl(type), mContext->getDataProfile(apn));
     return {};
 }
 
diff --git a/radio/aidl/compat/libradiocompat/include/libradiocompat/DriverContext.h b/radio/aidl/compat/libradiocompat/include/libradiocompat/DriverContext.h
new file mode 100644
index 0000000..6833aca
--- /dev/null
+++ b/radio/aidl/compat/libradiocompat/include/libradiocompat/DriverContext.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+#pragma once
+
+#include <aidl/android/hardware/radio/data/DataProfileInfo.h>
+
+#include <map>
+
+namespace android::hardware::radio::compat {
+
+class DriverContext {
+    std::map<std::string, ::aidl::android::hardware::radio::data::DataProfileInfo> mDataProfiles;
+
+  public:
+    void addDataProfile(const ::aidl::android::hardware::radio::data::DataProfileInfo& profile);
+    ::aidl::android::hardware::radio::data::DataProfileInfo getDataProfile(const std::string& apn);
+};
+
+}  // namespace android::hardware::radio::compat
diff --git a/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioCompatBase.h b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioCompatBase.h
index a412c34..21d7898 100644
--- a/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioCompatBase.h
+++ b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioCompatBase.h
@@ -15,6 +15,7 @@
  */
 #pragma once
 
+#include "DriverContext.h"
 #include "RadioIndication.h"
 #include "RadioResponse.h"
 
@@ -24,6 +25,8 @@
 
 class RadioCompatBase {
   protected:
+    std::shared_ptr<DriverContext> mContext;
+
     sp<V1_5::IRadio> mHal1_5;
     sp<V1_6::IRadio> mHal1_6;
 
@@ -33,8 +36,8 @@
     V1_6::IRadioResponse& respond();
 
   public:
-    RadioCompatBase(sp<V1_5::IRadio> hidlHal, sp<RadioResponse> radioResponse,
-                    sp<RadioIndication> radioIndication);
+    RadioCompatBase(std::shared_ptr<DriverContext> context, sp<V1_5::IRadio> hidlHal,
+                    sp<RadioResponse> radioResponse, sp<RadioIndication> radioIndication);
 };
 
 }  // namespace android::hardware::radio::compat
diff --git a/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioData.h b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioData.h
index 900a669..ba8bb0a 100644
--- a/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioData.h
+++ b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioData.h
@@ -55,7 +55,6 @@
             const std::vector<::aidl::android::hardware::radio::data::LinkAddress>& addresses,
             const std::vector<std::string>& dnses, int32_t pduSessionId,
             const std::optional<::aidl::android::hardware::radio::data::SliceInfo>& sliceInfo,
-            const std::optional<::aidl::android::hardware::radio::data::TrafficDescriptor>& trDescr,
             bool matchAllRuleAllowed) override;
     ::ndk::ScopedAStatus startHandover(int32_t serial, int32_t callId) override;
     ::ndk::ScopedAStatus startKeepalive(
diff --git a/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioIndication.h b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioIndication.h
index 20e0973..4d03063 100644
--- a/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioIndication.h
+++ b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioIndication.h
@@ -15,6 +15,8 @@
  */
 #pragma once
 
+#include "DriverContext.h"
+
 #include <aidl/android/hardware/radio/data/IRadioDataIndication.h>
 #include <aidl/android/hardware/radio/messaging/IRadioMessagingIndication.h>
 #include <aidl/android/hardware/radio/modem/IRadioModemIndication.h>
@@ -26,6 +28,8 @@
 namespace android::hardware::radio::compat {
 
 class RadioIndication : public V1_6::IRadioIndication {
+    std::shared_ptr<DriverContext> mContext;
+
     std::shared_ptr<::aidl::android::hardware::radio::data::IRadioDataIndication> mDataCb;
     std::shared_ptr<::aidl::android::hardware::radio::messaging::IRadioMessagingIndication>
             mMessagingCb;
@@ -181,6 +185,8 @@
             const hidl_vec<V1_6::PhonebookRecordInfo>& records) override;
 
   public:
+    RadioIndication(std::shared_ptr<DriverContext> context);
+
     void setResponseFunction(
             std::shared_ptr<::aidl::android::hardware::radio::data::IRadioDataIndication> dataCb);
     void setResponseFunction(
diff --git a/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioResponse.h b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioResponse.h
index 5db963f..344864f 100644
--- a/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioResponse.h
+++ b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioResponse.h
@@ -15,6 +15,8 @@
  */
 #pragma once
 
+#include "DriverContext.h"
+
 #include <aidl/android/hardware/radio/data/IRadioDataResponse.h>
 #include <aidl/android/hardware/radio/messaging/IRadioMessagingResponse.h>
 #include <aidl/android/hardware/radio/modem/IRadioModemResponse.h>
@@ -26,6 +28,8 @@
 namespace android::hardware::radio::compat {
 
 class RadioResponse : public V1_6::IRadioResponse {
+    std::shared_ptr<DriverContext> mContext;
+
     std::shared_ptr<::aidl::android::hardware::radio::data::IRadioDataResponse> mDataCb;
     std::shared_ptr<::aidl::android::hardware::radio::messaging::IRadioMessagingResponse>
             mMessagingCb;
@@ -409,6 +413,8 @@
                                                    int32_t updatedRecordIndex) override;
 
   public:
+    RadioResponse(std::shared_ptr<DriverContext> context);
+
     void setResponseFunction(
             std::shared_ptr<::aidl::android::hardware::radio::data::IRadioDataResponse> dataCb);
     void setResponseFunction(
diff --git a/radio/aidl/compat/service/service.cpp b/radio/aidl/compat/service/service.cpp
index 2a67569..6bcd4b0 100644
--- a/radio/aidl/compat/service/service.cpp
+++ b/radio/aidl/compat/service/service.cpp
@@ -36,7 +36,8 @@
 static std::vector<std::shared_ptr<ndk::ICInterface>> gPublishedHals;
 
 template <typename T>
-static void publishRadioHal(sp<V1_5::IRadio> hidlHal, sp<compat::RadioResponse> responseCb,
+static void publishRadioHal(std::shared_ptr<compat::DriverContext> context,
+                            sp<V1_5::IRadio> hidlHal, sp<compat::RadioResponse> responseCb,
                             sp<compat::RadioIndication> indicationCb, const std::string& slot) {
     const auto instance = T::descriptor + "/"s + slot;
     if (!AServiceManager_isDeclared(instance.c_str())) {
@@ -45,7 +46,7 @@
     }
     LOG(DEBUG) << "Publishing " << instance;
 
-    auto aidlHal = ndk::SharedRefBase::make<T>(hidlHal, responseCb, indicationCb);
+    auto aidlHal = ndk::SharedRefBase::make<T>(context, hidlHal, responseCb, indicationCb);
     gPublishedHals.push_back(aidlHal);
     const auto status = AServiceManager_addService(aidlHal->asBinder().get(), instance.c_str());
     CHECK_EQ(status, STATUS_OK);
@@ -57,16 +58,18 @@
 
     hidl_utils::linkDeathToDeath(radioHidl);
 
-    auto responseCb = sp<compat::RadioResponse>::make();
-    auto indicationCb = sp<compat::RadioIndication>::make();
+    auto context = std::make_shared<compat::DriverContext>();
+
+    auto responseCb = sp<compat::RadioResponse>::make(context);
+    auto indicationCb = sp<compat::RadioIndication>::make(context);
     radioHidl->setResponseFunctions(responseCb, indicationCb).assertOk();
 
-    publishRadioHal<compat::RadioData>(radioHidl, responseCb, indicationCb, slot);
-    publishRadioHal<compat::RadioMessaging>(radioHidl, responseCb, indicationCb, slot);
-    publishRadioHal<compat::RadioModem>(radioHidl, responseCb, indicationCb, slot);
-    publishRadioHal<compat::RadioNetwork>(radioHidl, responseCb, indicationCb, slot);
-    publishRadioHal<compat::RadioSim>(radioHidl, responseCb, indicationCb, slot);
-    publishRadioHal<compat::RadioVoice>(radioHidl, responseCb, indicationCb, slot);
+    publishRadioHal<compat::RadioData>(context, radioHidl, responseCb, indicationCb, slot);
+    publishRadioHal<compat::RadioMessaging>(context, radioHidl, responseCb, indicationCb, slot);
+    publishRadioHal<compat::RadioModem>(context, radioHidl, responseCb, indicationCb, slot);
+    publishRadioHal<compat::RadioNetwork>(context, radioHidl, responseCb, indicationCb, slot);
+    publishRadioHal<compat::RadioSim>(context, radioHidl, responseCb, indicationCb, slot);
+    publishRadioHal<compat::RadioVoice>(context, radioHidl, responseCb, indicationCb, slot);
 }
 
 static void publishRadioConfig() {