wpa_supplicant/wpa_supplicant-squelch-driver-disconnect-spam.patch

diff -up wpa_supplicant-0.6.8/wpa_supplicant/events.c.disconnect-spam wpa_supplicant-0.6.8/wpa_supplicant/events.c
--- wpa_supplicant-0.6.8/wpa_supplicant/events.c.disconnect-spam	2010-05-06 18:10:51.348288705 -0700
+++ wpa_supplicant-0.6.8/wpa_supplicant/events.c	2010-05-06 18:10:51.356288887 -0700
@@ -1302,6 +1302,15 @@ static void wpa_supplicant_event_disasso
 		wpa_s->keys_cleared = 0;
 		wpa_clear_keys(wpa_s, wpa_s->bssid);
 	}
+
+	if (wpa_s->wpa_state == WPA_DISCONNECTED) {
+		wpa_s->disconnect_count++;
+		if (!eloop_is_timeout_registered(wpa_disconnect_spam_handle, wpa_s, NULL)) {
+			eloop_register_timeout(6, 0, wpa_disconnect_spam_handle, wpa_s, NULL);
+			wpa_printf(MSG_DEBUG, "%s: scheduled DISCONNECT spam handler", __FUNCTION__);
+		}
+	}
+
 	wpa_supplicant_mark_disassoc(wpa_s);
 
 	if (authenticating && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME))
diff -up wpa_supplicant-0.6.8/wpa_supplicant/wpa_supplicant.c.disconnect-spam wpa_supplicant-0.6.8/wpa_supplicant/wpa_supplicant.c
--- wpa_supplicant-0.6.8/wpa_supplicant/wpa_supplicant.c.disconnect-spam	2010-05-06 18:10:51.340288662 -0700
+++ wpa_supplicant-0.6.8/wpa_supplicant/wpa_supplicant.c	2010-05-06 18:12:06.090413976 -0700
@@ -382,6 +382,9 @@ static void wpa_supplicant_cleanup(struc
 
 	wpa_supplicant_cancel_scan(wpa_s);
 	wpa_supplicant_cancel_auth_timeout(wpa_s);
+	if (eloop_is_timeout_registered(wpa_disconnect_spam_handle, wpa_s, NULL))
+		eloop_cancel_timeout(wpa_disconnect_spam_handle, wpa_s, NULL);
+
 	eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
 #ifdef CONFIG_DELAYED_MIC_ERROR_REPORT
 	eloop_cancel_timeout(wpa_supplicant_delayed_mic_error_report,
@@ -461,6 +464,23 @@ const char * wpa_supplicant_state_txt(in
 #endif /* CONFIG_BGSCAN */
 
 
+void wpa_disconnect_spam_handle(void *eloop_ctx, void *timeout_ctx)
+{
+	struct wpa_supplicant *wpa_s = eloop_ctx;
+	const u8 bssid[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+
+	wpa_printf(MSG_DEBUG, "%s: %d disconnect events in 6 seconds",
+		   __FUNCTION__, wpa_s->disconnect_count);
+
+	if (wpa_s->disconnect_count >= 3) {
+		wpa_printf(MSG_DEBUG, "%s: forcing SSID/BSSID reset", __FUNCTION__);
+		wpa_drv_disassociate(wpa_s, bssid, WLAN_REASON_DEAUTH_LEAVING);
+		wpa_supplicant_req_scan(wpa_s, 1, 0);
+	}
+	wpa_s->disconnect_count = 0;
+}
+
+
 /**
  * wpa_supplicant_set_state - Set current connection state
  * @wpa_s: Pointer to wpa_supplicant data
@@ -478,6 +498,18 @@ void wpa_supplicant_set_state(struct wpa
 	if (state != WPA_SCANNING)
 		wpa_supplicant_notify_scanning(wpa_s, 0);
 
+	if (state != WPA_DISCONNECTED && state != WPA_SCANNING) {
+		/* If the state isn't disconnected, cancel any registered
+		 * disconnect spam handler, which should only live while
+		 * disconnect events are coming in quickly.
+		 */
+		wpa_s->disconnect_count = 0;
+		if (eloop_is_timeout_registered(wpa_disconnect_spam_handle, wpa_s, NULL)) {
+			wpa_printf(MSG_DEBUG, "%s: canceling DISCONNECT spam handler", __FUNCTION__);
+			eloop_cancel_timeout(wpa_disconnect_spam_handle, wpa_s, NULL);
+		}
+	}
+
 	if (state == WPA_COMPLETED && wpa_s->new_connection) {
 #if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
 		struct wpa_ssid *ssid = wpa_s->current_ssid;
diff -up wpa_supplicant-0.6.8/wpa_supplicant/wpa_supplicant_i.h.disconnect-spam wpa_supplicant-0.6.8/wpa_supplicant/wpa_supplicant_i.h
--- wpa_supplicant-0.6.8/wpa_supplicant/wpa_supplicant_i.h.disconnect-spam	2009-02-15 10:00:00.000000000 -0800
+++ wpa_supplicant-0.6.8/wpa_supplicant/wpa_supplicant_i.h	2010-05-06 18:10:51.358288792 -0700
@@ -397,6 +397,8 @@ struct wpa_supplicant {
 	int wps_success; /* WPS success event received */
 	struct wps_er *wps_er;
 	int blacklist_cleared;
+
+	int disconnect_count;
 
 	struct wpabuf *pending_eapol_rx;
 	struct os_time pending_eapol_rx_time;
@@ -461,6 +463,7 @@ void wpa_clear_keys(struct wpa_supplican
 				     int sec, int usec);
 void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
 			      enum wpa_states state);
+void wpa_disconnect_spam_handle(void *eloop_ctx, void *timeout_ctx);
 struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
 const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s);
 void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);