wifi: Add new API to notify wificond of CC have changed

When device doesn't support NL80211_CMD_REG_CHANGED, the wificond has no
way to know the CC(country code) have changed. Add a new API to allow
the wifi frameworks notify wificond daemon of country code have changed.

Bug: 211573255
Bug: 212554181
Bug: 207426796
Test: atest WifiNl80211ManagerTest
Test: Maunal Test with log check.
Change-Id: I1e2c980062e66e6dcf007c0e2a4f1e9b203536ac

1 files changed, 20 insertions, 0 deletions

diff --git a/wifi/java/src/android/net/wifi/nl80211/WifiNl80211Manager.java b/wifi/java/src/android/net/wifi/nl80211/WifiNl80211Manager.java
index 3b7566051fae..459696e81ee4 100644
--- a/wifi/java/src/android/net/wifi/nl80211/WifiNl80211Manager.java
+++ b/wifi/java/src/android/net/wifi/nl80211/WifiNl80211Manager.java
@@ -1262,6 +1262,26 @@ public class WifiNl80211Manager {
     }
 
     /**
+     * Notifies the wificond daemon that the WiFi framework has successfully updated the Country
+     * Code of the driver. The wificond daemon needs this notification if the device does not
+     * support the NL80211_CMD_REG_CHANGED (otherwise it will find out on its own). The wificond
+     * updates in internal state in response to this Country Code update.
+     *
+     * @return true on success, false otherwise.
+     */
+    public boolean notifyCountryCodeChanged() {
+        try {
+            if (mWificond != null) {
+                mWificond.notifyCountryCodeChanged();
+                return true;
+            }
+        } catch (RemoteException e1) {
+            Log.e(TAG, "Failed to notify country code changed due to remote exception");
+        }
+        return false;
+    }
+
+    /**
      * Register the provided callback handler for SoftAp events. The interface must first be created
      * using {@link #setupInterfaceForSoftApMode(String)}. The callback registration is valid until
      * the interface is deleted using {@link #tearDownSoftApInterface(String)} (no deregistration