Stop supplicant and dhcp before start
Bug: 7227463
Change-Id: Iaa0df7522edc38d25fae2bbda8d24490e997e733
diff --git a/core/java/android/net/DhcpStateMachine.java b/core/java/android/net/DhcpStateMachine.java
index 874e80a..8dc900e 100644
--- a/core/java/android/net/DhcpStateMachine.java
+++ b/core/java/android/net/DhcpStateMachine.java
@@ -351,6 +351,8 @@
DhcpInfoInternal dhcpInfoInternal = new DhcpInfoInternal();
if (dhcpAction == DhcpAction.START) {
+ /* Stop any existing DHCP daemon before starting new */
+ NetworkUtils.stopDhcp(mInterfaceName);
if (DBG) Log.d(TAG, "DHCP request on " + mInterfaceName);
success = NetworkUtils.runDhcp(mInterfaceName, dhcpInfoInternal);
mDhcpInfo = dhcpInfoInternal;
diff --git a/core/jni/android_net_wifi_Wifi.cpp b/core/jni/android_net_wifi_Wifi.cpp
index e7c4c23..9537ac4 100644
--- a/core/jni/android_net_wifi_Wifi.cpp
+++ b/core/jni/android_net_wifi_Wifi.cpp
@@ -122,9 +122,9 @@
return (jboolean)(::wifi_start_supplicant(p2pSupported) == 0);
}
-static jboolean android_net_wifi_killSupplicant(JNIEnv* env, jobject)
+static jboolean android_net_wifi_killSupplicant(JNIEnv* env, jobject, jboolean p2pSupported)
{
- return (jboolean)(::wifi_stop_supplicant() == 0);
+ return (jboolean)(::wifi_stop_supplicant(p2pSupported) == 0);
}
static jboolean android_net_wifi_connectToSupplicant(JNIEnv* env, jobject, jstring jIface)
@@ -204,7 +204,7 @@
{ "isDriverLoaded", "()Z", (void *)android_net_wifi_isDriverLoaded },
{ "unloadDriver", "()Z", (void *)android_net_wifi_unloadDriver },
{ "startSupplicant", "(Z)Z", (void *)android_net_wifi_startSupplicant },
- { "killSupplicant", "()Z", (void *)android_net_wifi_killSupplicant },
+ { "killSupplicant", "(Z)Z", (void *)android_net_wifi_killSupplicant },
{ "connectToSupplicant", "(Ljava/lang/String;)Z",
(void *)android_net_wifi_connectToSupplicant },
{ "closeSupplicantConnection", "(Ljava/lang/String;)V",
diff --git a/wifi/java/android/net/wifi/WifiNative.java b/wifi/java/android/net/wifi/WifiNative.java
index 4c5fc5d..5e25623 100644
--- a/wifi/java/android/net/wifi/WifiNative.java
+++ b/wifi/java/android/net/wifi/WifiNative.java
@@ -61,7 +61,7 @@
/* Sends a kill signal to supplicant. To be used when we have lost connection
or when the supplicant is hung */
- public native static boolean killSupplicant();
+ public native static boolean killSupplicant(boolean p2pSupported);
private native boolean connectToSupplicant(String iface);
diff --git a/wifi/java/android/net/wifi/WifiStateMachine.java b/wifi/java/android/net/wifi/WifiStateMachine.java
index 040ff24..dafa8e8 100644
--- a/wifi/java/android/net/wifi/WifiStateMachine.java
+++ b/wifi/java/android/net/wifi/WifiStateMachine.java
@@ -1944,6 +1944,7 @@
case CMD_STOP_DRIVER:
case CMD_DELAYED_STOP_DRIVER:
case CMD_DRIVER_START_TIMED_OUT:
+ case CMD_CAPTIVE_CHECK_COMPLETE:
case CMD_START_AP:
case CMD_START_AP_SUCCESS:
case CMD_START_AP_FAILURE:
@@ -2189,6 +2190,13 @@
loge("Unable to change interface settings: " + ie);
}
+ /* Stop a running supplicant after a runtime restart
+ * Avoids issues with drivers that do not handle interface down
+ * on a running supplicant properly.
+ */
+ if (DBG) log("Kill any running supplicant");
+ mWifiNative.killSupplicant(mP2pSupported);
+
if(mWifiNative.startSupplicant(mP2pSupported)) {
if (DBG) log("Supplicant start successful");
mWifiMonitor.startMonitoring();
@@ -2384,7 +2392,7 @@
case WifiMonitor.SUP_DISCONNECTION_EVENT:
if (++mSupplicantRestartCount <= SUPPLICANT_RESTART_TRIES) {
loge("Failed to setup control channel, restart supplicant");
- mWifiNative.killSupplicant();
+ mWifiNative.killSupplicant(mP2pSupported);
transitionTo(mDriverLoadedState);
sendMessageDelayed(CMD_START_SUPPLICANT, SUPPLICANT_RESTART_INTERVAL_MSECS);
} else {
@@ -2451,7 +2459,7 @@
break;
case WifiMonitor.SUP_DISCONNECTION_EVENT: /* Supplicant connection lost */
loge("Connection lost, restart supplicant");
- mWifiNative.killSupplicant();
+ mWifiNative.killSupplicant(mP2pSupported);
mWifiNative.closeSupplicantConnection();
mNetworkInfo.setIsAvailable(false);
handleNetworkDisconnect();
@@ -2605,14 +2613,14 @@
/* Socket connection can be lost when we do a graceful shutdown
* or when the driver is hung. Ensure supplicant is stopped here.
*/
- mWifiNative.killSupplicant();
+ mWifiNative.killSupplicant(mP2pSupported);
mWifiNative.closeSupplicantConnection();
transitionTo(mDriverLoadedState);
break;
case CMD_STOP_SUPPLICANT_FAILED:
if (message.arg1 == mSupplicantStopFailureToken) {
loge("Timed out on a supplicant stop, kill and proceed");
- mWifiNative.killSupplicant();
+ mWifiNative.killSupplicant(mP2pSupported);
mWifiNative.closeSupplicantConnection();
transitionTo(mDriverLoadedState);
}
