[PATCH 2/2] Emit more information over D-Bus.

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Allows informing the connection manager of additional information on CQM
events.  Allows the connection manager to request the same information
on demand by using the existing "SignalPoll" method.

* Add new property "SignalChange"
        * Add storage for wpa_signal_info into wpa_supplicant context
          object
        * Copy memory from event to context object on CQM Event
* Write a common conversion method to be used by both "SignalPoll" and
  this property

Signed-off-by: David Ruth <druth@xxxxxxxxxxxx>
---

 doc/dbus.doxygen                        |  29 +++++-
 wpa_supplicant/dbus/dbus_dict_helpers.c |  19 ++++
 wpa_supplicant/dbus/dbus_dict_helpers.h |   4 +
 wpa_supplicant/dbus/dbus_new.c          |   8 ++
 wpa_supplicant/dbus/dbus_new.h          |   2 +
 wpa_supplicant/dbus/dbus_new_handlers.c |  52 +++++-----
 wpa_supplicant/dbus/dbus_new_handlers.h |   2 +
 wpa_supplicant/dbus/dbus_new_helpers.c  | 126 ++++++++++++++++++++++++
 wpa_supplicant/dbus/dbus_new_helpers.h  |   4 +
 wpa_supplicant/events.c                 |   2 +
 wpa_supplicant/notify.c                 |   4 +
 wpa_supplicant/notify.h                 |   1 +
 wpa_supplicant/wpa_supplicant_i.h       |   2 +
 13 files changed, 228 insertions(+), 27 deletions(-)

diff --git a/doc/dbus.doxygen b/doc/dbus.doxygen
index 504db7540..b00fdf6b6 100644
--- a/doc/dbus.doxygen
+++ b/doc/dbus.doxygen
@@ -647,6 +647,33 @@ fi.w1.wpa_supplicant1.CreateInterface.
 	      <tr><td>avg-rssi</td><td>i</td><td>Average RSSI (dBm)</td><td>No</td>
 	      <tr><td>center-frq1</td><td>i</td><td>VHT segment 1 frequency (MHz)</td><td>No</td>
 	      <tr><td>center-frq2</td><td>i</td><td>VHT segment 2 frequency (MHz)</td><td>No</td>
+	      <tr><td>rx-bytes</td><td>i</td><td>Bytes recieved</td><td>No</td>
+	      <tr><td>tx-bytes</td><td>i</td><td>Bytes sent</td><td>No</td>
+	      <tr><td>rx-packets</td><td>i</td><td>Packets recieved</td><td>No</td>
+	      <tr><td>tx-packets</td><td>i</td><td>Packets sent</td><td>No</td>
+	      <tr><td>beacons</td><td>i</td><td>Beacons received</td><td>No</td>
+	      <tr><td>linkrxspeed</td><td>i</td><td>Link Speed (RX, kbps)</td><td>No</td>
+	      <tr><td>linktxspeed</td><td>i</td><td>Link Speed (TX, kbps)</td><td>No</td>
+	      <tr><td>retries-failed</td><td>i</td><td>Retries (failed)</td><td>No</td>
+	      <tr><td>retries</td><td>i</td><td>Retries</td><td>No</td>
+	      <tr><td>last-ack-rssi</td><td>i</td><td>RSSI of last ACK frame (dBm)</td><td>No</td>
+	      <tr><td>fcs-errors</td><td>i</td><td>FCS errors</td><td>No</td>
+	      <tr><td>beacon-losses</td><td>i</td><td>Beacons lost</td><td>No</td>
+	      <tr><td>expected-throughput</td><td>i</td><td>Expected Throughput (kbps)</td><td>No</td>
+	      <tr><td>rx-drop-misc</td><td>i</td><td>RX packets dropped for unspecified reasons</td><td>No</td>
+	      <tr><td>rx-mpdus</td><td>i</td><td>Recieved packets</td><td>No</td>
+	      <tr><td>rx-he-mcs</td><td>i</td><td>MCS index (rx, he)</td><td>No</td>
+	      <tr><td>tx-he-mcs</td><td>i</td><td>MCS index (tx, he)</td><td>No</td>
+	      <tr><td>rx-vht-mcs</td><td>i</td><td>MCS index (rx, vht)</td><td>No</td>
+	      <tr><td>tx-vht-mcs</td><td>i</td><td>MCS index (tx, vht)</td><td>No</td>
+	      <tr><td>rx-mcs</td><td>i</td><td>MCS index (rx)</td><td>No</td>
+	      <tr><td>tx-mcs</td><td>i</td><td>MCS index (tx)</td><td>No</td>
+	      <tr><td>rx-he-nss</td><td>i</td><td>Number of streams (rx, he)</td><td>No</td>
+	      <tr><td>tx-he-nss</td><td>i</td><td>Number of streams (tx, he)</td><td>No</td>
+	      <tr><td>rx-vht-nss</td><td>i</td><td>Number of streams (rx, vht)</td><td>No</td>
+	      <tr><td>tx-vht-nss</td><td>i</td><td>Number of streams (tx, vht)</td><td>No</td>
+	      <tr><td>avg-beacon-rssi</td><td>i</td><td>Average Beacon RSSI (dBm)</td><td>No</td>
+	      <tr><td>avg-ack-rssi</td><td>i</td><td>Average ACK frame RSSI (dBm)</td><td>No</td>
 	    </table>
 	  </dd>
 	</dl>
@@ -1240,7 +1267,7 @@ fi.w1.wpa_supplicant1.CreateInterface.
 	<h4>Arguments</h4>
 	<dl>
 	  <dt>a{sv} : properties</dt>
-	  <dd>A dictionary with pairs of properties names which have changed and theirs new values. Possible dictionary keys are: "ApScan", "Scanning", "State", "CurrentBSS", "CurrentNetwork"</dd>
+	  <dd>A dictionary with pairs of properties names which have changed and their new values. Possible dictionary keys are: "ApScan", "Scanning", "State", "CurrentBSS", "CurrentNetwork", "SignalChange"</dd>
 	</dl>
       </li>
 
diff --git a/wpa_supplicant/dbus/dbus_dict_helpers.c b/wpa_supplicant/dbus/dbus_dict_helpers.c
index e4e9b8da9..0e4753450 100644
--- a/wpa_supplicant/dbus/dbus_dict_helpers.c
+++ b/wpa_supplicant/dbus/dbus_dict_helpers.c
@@ -298,6 +298,25 @@ dbus_bool_t wpa_dbus_dict_append_uint32(DBusMessageIter *iter_dict,
 }
 
 
+/**
+ * Add a 64-bit unsigned integer entry to the dict.
+ *
+ * @param iter_dict A valid DBusMessageIter returned from
+ *    wpa_dbus_dict_open_write()
+ * @param key The key of the dict item
+ * @param value The 64-bit unsigned integer value
+ * @return TRUE on success, FALSE on failure
+ *
+ */
+dbus_bool_t wpa_dbus_dict_append_uint64(DBusMessageIter *iter_dict,
+					const char *key,
+					const dbus_uint64_t value)
+{
+	return _wpa_dbus_add_dict_entry_basic(iter_dict, key, DBUS_TYPE_UINT64,
+					      &value);
+}
+
+
 /**
  * Add a DBus object path entry to the dict.
  *
diff --git a/wpa_supplicant/dbus/dbus_dict_helpers.h b/wpa_supplicant/dbus/dbus_dict_helpers.h
index 94a0efdbe..44685ea4a 100644
--- a/wpa_supplicant/dbus/dbus_dict_helpers.h
+++ b/wpa_supplicant/dbus/dbus_dict_helpers.h
@@ -46,6 +46,10 @@ dbus_bool_t wpa_dbus_dict_append_uint32(DBusMessageIter *iter_dict,
 					const char *key,
 					const dbus_uint32_t value);
 
+dbus_bool_t wpa_dbus_dict_append_uint64(DBusMessageIter *iter_dict,
+					const char *key,
+					const dbus_uint64_t value);
+
 dbus_bool_t wpa_dbus_dict_append_object_path(DBusMessageIter *iter_dict,
 					     const char *key,
 					     const char *value);
diff --git a/wpa_supplicant/dbus/dbus_new.c b/wpa_supplicant/dbus/dbus_new.c
index 9279ae4d5..2127554f2 100644
--- a/wpa_supplicant/dbus/dbus_new.c
+++ b/wpa_supplicant/dbus/dbus_new.c
@@ -2344,6 +2344,9 @@ void wpas_dbus_signal_prop_changed(struct wpa_supplicant *wpa_s,
 	case WPAS_DBUS_PROP_BSS_TM_STATUS:
 		prop = "BSSTMStatus";
 		break;
+	case WPAS_DBUS_PROP_SIGNAL_CHANGE:
+		prop = "SignalChange";
+		break;
 	default:
 		wpa_printf(MSG_ERROR, "dbus: %s: Unknown Property value %d",
 			   __func__, property);
@@ -3939,6 +3942,11 @@ static const struct wpa_dbus_property_desc wpas_dbus_interface_properties[] = {
 	  wpas_dbus_setter_mac_address_randomization_mask,
 	  NULL
 	},
+	{ "SignalChange", WPAS_DBUS_NEW_IFACE_INTERFACE, "a{sv}",
+	  wpas_dbus_getter_signal_change,
+	  NULL,
+	  NULL
+	},
 	{ NULL, NULL, NULL, NULL, NULL, NULL }
 };
 
diff --git a/wpa_supplicant/dbus/dbus_new.h b/wpa_supplicant/dbus/dbus_new.h
index 26bdcb548..cb6a55be5 100644
--- a/wpa_supplicant/dbus/dbus_new.h
+++ b/wpa_supplicant/dbus/dbus_new.h
@@ -11,6 +11,7 @@
 #define CTRL_IFACE_DBUS_NEW_H
 
 #include "common/defs.h"
+#include "drivers/driver.h"
 #include "p2p/p2p.h"
 
 struct wpa_global;
@@ -38,6 +39,7 @@ enum wpas_dbus_prop {
 	WPAS_DBUS_PROP_ROAM_COMPLETE,
 	WPAS_DBUS_PROP_SESSION_LENGTH,
 	WPAS_DBUS_PROP_BSS_TM_STATUS,
+	WPAS_DBUS_PROP_SIGNAL_CHANGE,
 };
 
 enum wpas_dbus_bss_prop {
diff --git a/wpa_supplicant/dbus/dbus_new_handlers.c b/wpa_supplicant/dbus/dbus_new_handlers.c
index 69fdf6036..145c7a2ff 100644
--- a/wpa_supplicant/dbus/dbus_new_handlers.c
+++ b/wpa_supplicant/dbus/dbus_new_handlers.c
@@ -1950,7 +1950,7 @@ DBusMessage * wpas_dbus_handler_signal_poll(DBusMessage *message,
 {
 	struct wpa_signal_info si;
 	DBusMessage *reply = NULL;
-	DBusMessageIter iter, iter_dict, variant_iter;
+	DBusMessageIter iter;
 	int ret;
 
 	ret = wpa_drv_signal_poll(wpa_s, &si);
@@ -1965,31 +1965,7 @@ DBusMessage * wpas_dbus_handler_signal_poll(DBusMessage *message,
 
 	dbus_message_iter_init_append(reply, &iter);
 
-	if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT,
-					      "a{sv}", &variant_iter) ||
-	    !wpa_dbus_dict_open_write(&variant_iter, &iter_dict) ||
-	    !wpa_dbus_dict_append_int32(&iter_dict, "rssi",
-					si.data.signal) ||
-	    !wpa_dbus_dict_append_int32(&iter_dict, "linkspeed",
-					si.data.current_tx_rate / 1000) ||
-	    !wpa_dbus_dict_append_int32(&iter_dict, "noise",
-					si.current_noise) ||
-	    !wpa_dbus_dict_append_uint32(&iter_dict, "frequency",
-					 si.frequency) ||
-	    (si.chanwidth != CHAN_WIDTH_UNKNOWN &&
-	     !wpa_dbus_dict_append_string(
-		     &iter_dict, "width",
-		     channel_width_to_string(si.chanwidth))) ||
-	    (si.center_frq1 > 0 && si.center_frq2 > 0 &&
-	     (!wpa_dbus_dict_append_int32(&iter_dict, "center-frq1",
-					  si.center_frq1) ||
-	      !wpa_dbus_dict_append_int32(&iter_dict, "center-frq2",
-					  si.center_frq2))) ||
-	    (si.data.avg_signal &&
-	     !wpa_dbus_dict_append_int32(&iter_dict, "avg-rssi",
-					 si.data.avg_signal)) ||
-	    !wpa_dbus_dict_close_write(&variant_iter, &iter_dict) ||
-	    !dbus_message_iter_close_container(&iter, &variant_iter))
+        if (wpas_dbus_new_from_signal_information(&iter, &si) != 0)
 		goto nomem;
 
 	return reply;
@@ -6099,3 +6075,27 @@ dbus_bool_t wpas_dbus_getter_mesh_group(
 }
 
 #endif /* CONFIG_MESH */
+
+/**
+ * wpas_dbus_getter_signal_change - Get signal change
+ * @iter: Pointer to incoming dbus message iter
+ * @error: Location to store error on failure
+ * @user_data: Function specific data
+ * Returns: TRUE on success, FALSE on failure
+ *
+ * Getter for "SignalChange" property.
+ */
+dbus_bool_t wpas_dbus_getter_signal_change(
+	const struct wpa_dbus_property_desc *property_desc,
+	DBusMessageIter *iter, DBusError *error, void *user_data)
+{
+	struct wpa_supplicant *wpa_s = user_data;
+	struct wpa_signal_info si = wpa_s->last_signal_info;
+
+	if (wpas_dbus_new_from_signal_information(iter, &si) != 0) {
+		dbus_set_error(error, DBUS_ERROR_FAILED,
+			       "%s: error constructing reply", __func__);
+		return FALSE;
+	}
+	return TRUE;
+}
diff --git a/wpa_supplicant/dbus/dbus_new_handlers.h b/wpa_supplicant/dbus/dbus_new_handlers.h
index a421083f7..2fc8434cb 100644
--- a/wpa_supplicant/dbus/dbus_new_handlers.h
+++ b/wpa_supplicant/dbus/dbus_new_handlers.h
@@ -246,6 +246,8 @@ DECLARE_ACCESSOR(wpas_dbus_setter_wps_device_device_type);
 DECLARE_ACCESSOR(wpas_dbus_getter_mesh_peers);
 DECLARE_ACCESSOR(wpas_dbus_getter_mesh_group);
 
+DECLARE_ACCESSOR(wpas_dbus_getter_signal_change);
+
 DBusMessage * wpas_dbus_handler_tdls_discover(DBusMessage *message,
 					      struct wpa_supplicant *wpa_s);
 DBusMessage * wpas_dbus_handler_tdls_setup(DBusMessage *message,
diff --git a/wpa_supplicant/dbus/dbus_new_helpers.c b/wpa_supplicant/dbus/dbus_new_helpers.c
index d9009ba85..b8d3e0131 100644
--- a/wpa_supplicant/dbus/dbus_new_helpers.c
+++ b/wpa_supplicant/dbus/dbus_new_helpers.c
@@ -1023,3 +1023,129 @@ DBusMessage * wpas_dbus_reply_new_from_error(DBusMessage *message,
 	}
 	return NULL;
 }
+
+/**
+ * wpas_dbus_new_from_signal_information - Adds a wpa_signal_info
+ * to a DBusMessage.
+ * @msg: Pointer to message to append fields to
+ * @si: Pointer to wpa_signal_info to add to the message
+ * Returns: 0 on success, otherwise, an errorcode
+ *
+ * Adds all the pertinent fields from a wpa_signal_info to a DBusMessage.
+ * The same logic is useful in both responding to signal_poll calls, and
+ * sending signal_change signals.
+ */
+int wpas_dbus_new_from_signal_information(DBusMessageIter *iter,
+                                          struct wpa_signal_info *si)
+{
+	DBusMessageIter iter_dict, variant_iter;
+	if (!dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
+					      "a{sv}", &variant_iter) ||
+	    !wpa_dbus_dict_open_write(&variant_iter, &iter_dict) ||
+	    !wpa_dbus_dict_append_int32(&iter_dict, "rssi",
+				        si->data.signal) ||
+	    !wpa_dbus_dict_append_uint32(&iter_dict, "linkspeed",
+					si->data.current_tx_rate / 1000) ||
+	    !wpa_dbus_dict_append_int32(&iter_dict, "noise",
+					si->current_noise) ||
+	    !wpa_dbus_dict_append_uint32(&iter_dict, "frequency",
+					 si->frequency) ||
+	    (si->chanwidth != CHAN_WIDTH_UNKNOWN &&
+	     !wpa_dbus_dict_append_string(
+		     &iter_dict, "width",
+		     channel_width_to_string(si->chanwidth))) ||
+	    (si->center_frq1 > 0 && si->center_frq2 > 0 &&
+	     (!wpa_dbus_dict_append_int32(&iter_dict, "center-frq1",
+					  si->center_frq1) ||
+	      !wpa_dbus_dict_append_int32(&iter_dict, "center-frq2",
+					  si->center_frq2))) ||
+	    (si->data.avg_signal &&
+	     !wpa_dbus_dict_append_int32(&iter_dict, "avg-rssi",
+					 si->data.avg_signal)) ||
+	    (si->data.rx_bytes &&
+	     !wpa_dbus_dict_append_uint64(&iter_dict, "rx-bytes",
+					  si->data.rx_bytes)) ||
+	    (si->data.tx_bytes &&
+	     !wpa_dbus_dict_append_uint64(&iter_dict, "tx-bytes",
+					  si->data.tx_bytes)) ||
+	    (si->data.rx_packets &&
+	     !wpa_dbus_dict_append_uint32(&iter_dict, "rx-packets",
+					  si->data.rx_packets)) ||
+	    (si->data.tx_packets &&
+	     !wpa_dbus_dict_append_uint32(&iter_dict, "tx-packets",
+					  si->data.tx_packets)) ||
+	    (si->data.beacons_count &&
+	     !wpa_dbus_dict_append_uint64(&iter_dict, "beacons",
+					  si->data.beacons_count)) ||
+	    (si->data.current_rx_rate &&
+	     !wpa_dbus_dict_append_uint32(&iter_dict, "linkrxspeed",
+					  si->data.current_rx_rate )) ||
+	    (si->data.current_rx_rate &&
+	     !wpa_dbus_dict_append_uint32(&iter_dict, "linktxspeed",
+					  si->data.current_tx_rate )) ||
+	    (si->data.tx_retry_failed &&
+	     !wpa_dbus_dict_append_uint32(&iter_dict, "retries-failed",
+					  si->data.tx_retry_failed)) ||
+	    (si->data.tx_retry_count &&
+	     !wpa_dbus_dict_append_uint32(&iter_dict, "retries",
+					  si->data.tx_retry_count)) ||
+	    (si->data.last_ack_rssi &&
+	     !wpa_dbus_dict_append_int32(&iter_dict, "last-ack-rssi",
+					 si->data.last_ack_rssi)) ||
+	    (si->data.fcs_error_count &&
+	     !wpa_dbus_dict_append_uint32(&iter_dict, "fcs-errors",
+					  si->data.fcs_error_count)) ||
+	    (si->data.beacon_loss_count &&
+	     !wpa_dbus_dict_append_uint32(&iter_dict, "beacon-losses",
+					  si->data.beacon_loss_count)) ||
+	    (si->data.expected_throughput &&
+	     !wpa_dbus_dict_append_uint32(&iter_dict, "expected-throughput",
+					  si->data.expected_throughput)) ||
+	    (si->data.rx_drop_misc &&
+	     !wpa_dbus_dict_append_uint32(&iter_dict, "rx-drop-misc",
+					  si->data.rx_drop_misc)) ||
+	    (si->data.rx_mpdus &&
+	     !wpa_dbus_dict_append_uint32(&iter_dict, "rx-mpdus",
+					  si->data.rx_mpdus)) ||
+	    (si->data.rx_hemcs &&
+	     !wpa_dbus_dict_append_uint32(&iter_dict, "rx-he-mcs",
+					  si->data.rx_hemcs)) ||
+	    (si->data.tx_hemcs &&
+	     !wpa_dbus_dict_append_uint32(&iter_dict, "tx-he-mcs",
+					  si->data.tx_hemcs)) ||
+	    (si->data.rx_vhtmcs &&
+	     !wpa_dbus_dict_append_uint32(&iter_dict, "rx-vht-mcs",
+					  si->data.rx_vhtmcs)) ||
+	    (si->data.tx_vhtmcs &&
+	     !wpa_dbus_dict_append_uint32(&iter_dict, "tx-vht-mcs",
+					  si->data.tx_vhtmcs)) ||
+	    (si->data.rx_mcs &&
+	     !wpa_dbus_dict_append_uint32(&iter_dict, "rx-mcs",
+					  si->data.rx_mcs)) ||
+	    (si->data.tx_mcs &&
+	     !wpa_dbus_dict_append_uint32(&iter_dict, "tx-mcs",
+					  si->data.tx_mcs)) ||
+	    (si->data.rx_he_nss &&
+	     !wpa_dbus_dict_append_uint32(&iter_dict, "rx-he-nss",
+					  si->data.rx_he_nss)) ||
+	    (si->data.tx_he_nss &&
+	     !wpa_dbus_dict_append_uint32(&iter_dict, "tx-he-nss",
+					  si->data.tx_he_nss)) ||
+	    (si->data.rx_vht_nss &&
+	     !wpa_dbus_dict_append_uint32(&iter_dict, "rx-vht-nss",
+					  si->data.rx_vht_nss)) ||
+	    (si->data.tx_vht_nss &&
+	     !wpa_dbus_dict_append_uint32(&iter_dict, "tx-vht-nss",
+					  si->data.tx_vht_nss)) ||
+	    (si->data.avg_beacon_signal &&
+	     !wpa_dbus_dict_append_int32(&iter_dict, "avg-beacon-rssi",
+					 si->data.avg_beacon_signal)) ||
+	    (si->data.avg_ack_signal &&
+	     !wpa_dbus_dict_append_int32(&iter_dict, "avg-ack-rssi",
+					 si->data.avg_ack_signal)) ||
+	    !wpa_dbus_dict_close_write(&variant_iter, &iter_dict) ||
+	    !dbus_message_iter_close_container(iter, &variant_iter))
+		return -ENOMEM;
+
+	return 0;
+}
diff --git a/wpa_supplicant/dbus/dbus_new_helpers.h b/wpa_supplicant/dbus/dbus_new_helpers.h
index 7b63b28d7..4eb0e286c 100644
--- a/wpa_supplicant/dbus/dbus_new_helpers.h
+++ b/wpa_supplicant/dbus/dbus_new_helpers.h
@@ -11,6 +11,7 @@
 #define WPA_DBUS_CTRL_H
 
 #include <dbus/dbus.h>
+#include "drivers/driver.h"
 
 typedef DBusMessage * (*WPADBusMethodHandler)(DBusMessage *message,
 					      void *user_data);
@@ -151,4 +152,7 @@ DBusMessage *wpas_dbus_reply_new_from_error(DBusMessage *message,
 					    const char *fallback_name,
 					    const char *fallback_string);
 
+
+int wpas_dbus_new_from_signal_information(DBusMessageIter *iter,
+                                          struct wpa_signal_info *si);
 #endif /* WPA_DBUS_CTRL_H */
diff --git a/wpa_supplicant/events.c b/wpa_supplicant/events.c
index ee2271d67..bc89b2087 100644
--- a/wpa_supplicant/events.c
+++ b/wpa_supplicant/events.c
@@ -5781,6 +5781,8 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
 			data->signal_change.data.signal,
 			data->signal_change.current_noise,
 			data->signal_change.data.current_tx_rate);
+		os_memcpy(&wpa_s->last_signal_info, data, sizeof(struct wpa_signal_info));
+		wpas_notify_signal_change(wpa_s);
 		break;
 	case EVENT_INTERFACE_MAC_CHANGED:
 		wpa_supplicant_update_mac_addr(wpa_s);
diff --git a/wpa_supplicant/notify.c b/wpa_supplicant/notify.c
index 427405da9..466f26804 100644
--- a/wpa_supplicant/notify.c
+++ b/wpa_supplicant/notify.c
@@ -976,6 +976,10 @@ void wpas_notify_interworking_select_done(struct wpa_supplicant *wpa_s)
 	wpas_dbus_signal_interworking_select_done(wpa_s);
 }
 
+void wpas_notify_signal_change(struct wpa_supplicant *wpa_s)
+{
+	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_SIGNAL_CHANGE);
+}
 #endif /* CONFIG_INTERWORKING */
 
 
diff --git a/wpa_supplicant/notify.h b/wpa_supplicant/notify.h
index f26f4286d..41b4258c2 100644
--- a/wpa_supplicant/notify.h
+++ b/wpa_supplicant/notify.h
@@ -166,5 +166,6 @@ void wpas_notify_interworking_ap_added(struct wpa_supplicant *wpa_s,
 void wpas_notify_interworking_select_done(struct wpa_supplicant *wpa_s);
 void wpas_notify_pmk_cache_added(struct wpa_supplicant *wpa_s,
 				 struct rsn_pmksa_cache_entry *entry);
+void wpas_notify_signal_change(struct wpa_supplicant *wpa_s);
 
 #endif /* NOTIFY_H */
diff --git a/wpa_supplicant/wpa_supplicant_i.h b/wpa_supplicant/wpa_supplicant_i.h
index 0cc8633ee..f5c44115c 100644
--- a/wpa_supplicant/wpa_supplicant_i.h
+++ b/wpa_supplicant/wpa_supplicant_i.h
@@ -1523,6 +1523,8 @@ struct wpa_supplicant {
 	unsigned int enable_dscp_policy_capa:1;
 	unsigned int connection_dscp:1;
 	unsigned int wait_for_dscp_req:1;
+
+	struct wpa_signal_info last_signal_info;
 };
 
 
-- 
2.38.1.584.g0f3c55d4c2-goog


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