Interworking: Include Access Network Type in set_ap() driver_ops

This may be needed for drivers that process Probe Request frames
internally.

src/ap/beacon.c

@@ -590,6 +590,7 @@ void ieee802_11_set_beacon(struct hostapd_data *hapd)
 	if (hapd->conf->interworking &&
 	    !is_zero_ether_addr(hapd->conf->hessid))
 		params.hessid = hapd->conf->hessid;
+	params.access_network_type = hapd->conf->access_network_type;
 	if (hostapd_drv_set_ap(hapd, &params))
 		wpa_printf(MSG_ERROR, "Failed to set beacon parameters");
 	hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp);

src/drivers/driver.h

@@ -660,6 +660,14 @@ struct wpa_driver_ap_params {
 	 * hessid - Homogeneous ESS identifier or %NULL if not set
 	 */
 	const u8 *hessid;
+
+	/**
+	 * access_network_type - Access Network Type (0..15)
+	 *
+	 * This is used for filtering Probe Request frames when Interworking is
+	 * enabled.
+	 */
+	u8 access_network_type;
 };
 
 /**