Add wpa_supplicant state change event for Android network manager

Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>

src/common/wpa_ctrl.h

@@ -56,6 +56,8 @@ extern "C" {
 #define WPA_EVENT_EAP_FAILURE "CTRL-EVENT-EAP-FAILURE "
 /** New scan results available */
 #define WPA_EVENT_SCAN_RESULTS "CTRL-EVENT-SCAN-RESULTS "
+/** wpa_supplicant state change */
+#define WPA_EVENT_STATE_CHANGE "CTRL-EVENT-STATE-CHANGE "
 /** A new BSS entry was added (followed by BSS entry id and BSSID) */
 #define WPA_EVENT_BSS_ADDED "CTRL-EVENT-BSS-ADDED "
 /** A BSS entry was removed (followed by BSS entry id and BSSID) */

wpa_supplicant/notify.c

@@ -92,6 +92,13 @@ void wpas_notify_state_changed(struct wpa_supplicant *wpa_s,
 #endif /* CONFIG_P2P */
 
 	sme_state_changed(wpa_s);
+
+#ifdef ANDROID
+	wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
+		     "id=%d state=%d BSSID=" MACSTR,
+		     wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
+		     new_state, MAC2STR(wpa_s->pending_bssid));
+#endif /* ANDROID */
 }