wifi(interface): Add callbacks for indicating radio mode changes
Bug: 68349158
Test: Compiles
Change-Id: Id9dc5118e7595651cadf24676b66d4c0875396ba
diff --git a/wifi/1.2/IWifiChipEventCallback.hal b/wifi/1.2/IWifiChipEventCallback.hal
new file mode 100644
index 0000000..5d2e7e9
--- /dev/null
+++ b/wifi/1.2/IWifiChipEventCallback.hal
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2017 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.wifi@1.2;
+
+import @1.0::IWifiChipEventCallback;
+import @1.0::WifiBand;
+
+/**
+ * Wifi chip event callbacks.
+ */
+interface IWifiChipEventCallback extends @1.0::IWifiChipEventCallback {
+ /**
+ * Struct describing the state of each iface operating on the radio chain
+ * (hardware MAC) on the device.
+ */
+ struct IfaceInfo {
+ /** Name of the interface (For ex: "wlan0"). */
+ string name;
+ /** Wifi channel on which this interface is operating. */
+ uint32_t channel;
+ };
+
+ /**
+ * Struct describing the state of each hardware radio chain (hardware MAC)
+ * on the device.
+ */
+ struct RadioModeInfo {
+ /**
+ * Identifier for this radio chain. This is vendor dependent & used
+ * only for debugging purposes.
+ */
+ uint32_t radioId;
+ /**
+ * List of bands on which this radio chain is operating.
+ * Can be one of:
+ * a) WifiBand.BAND_24GHZ => 2.4Ghz.
+ * b) WifiBand.BAND_5GHZ => 5Ghz.
+ * c) WifiBand.BAND_24GHZ_5GHZ = 2.4Ghz + 5Ghz (Radio is time sharing
+ * across the 2 bands).
+ */
+ WifiBand bandInfo;
+ /** List of interfaces on this radio chain (hardware MAC). */
+ vec<IfaceInfo> ifaceInfos;
+ };
+
+ /**
+ * Asynchronous callback indicating a radio mode change.
+ * Radio mode change could be a result of:
+ * a) Bringing up concurrent interfaces (For ex: STA + AP).
+ * b) Change in operating band of one of the concurrent interfaces (For ex:
+ * STA connection moved from 2.4G to 5G)
+ *
+ * @param radioModeInfos List of RadioModeInfo structures for each
+ * radio chain (hardware MAC) on the device.
+ */
+ oneway onRadioModeChange(vec<RadioModeInfo> radioModeInfos);
+};