mwifiex: handle extended scan event for AP interface

Stations associated to mwifiex AP would not be able to ping AP
after scan was issued on AP interface. This happened because
there was no handling of extended scan event in AP. This patch
adds this handling and fixes ping failure issue.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/mwifiex/uap_event.c

@@ -166,6 +166,12 @@ int mwifiex_process_uap_event(struct mwifiex_private *priv)
 			mwifiex_11n_ba_stream_timeout(priv, ba_timeout);
 		}
 		break;
+	case EVENT_EXT_SCAN_REPORT:
+		dev_dbg(adapter->dev, "event: EXT_SCAN Report\n");
+		if (adapter->ext_scan)
+			return mwifiex_handle_event_ext_scan_report(priv,
+						adapter->event_skb->data);
+		break;
 	default:
 		dev_dbg(adapter->dev, "event: unknown event id: %#x\n",
 			eventcause);