[PATCH] dbus: Report guard interval and dual carrier modulation.

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Propagate guard interval as a double value and dual carrier modulation
as a boolean over D-Bus.

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

 wpa_supplicant/dbus/dbus_dict_helpers.c | 21 ++++++++++++++++++
 wpa_supplicant/dbus/dbus_dict_helpers.h |  4 ++++
 wpa_supplicant/dbus/dbus_new_helpers.c  | 29 +++++++++++++++++++++++++
 3 files changed, 54 insertions(+)

diff --git a/wpa_supplicant/dbus/dbus_dict_helpers.c b/wpa_supplicant/dbus/dbus_dict_helpers.c
index 0e4753450..22dda1578 100644
--- a/wpa_supplicant/dbus/dbus_dict_helpers.c
+++ b/wpa_supplicant/dbus/dbus_dict_helpers.c
@@ -361,6 +361,27 @@ dbus_bool_t wpa_dbus_dict_append_byte_array(DBusMessageIter *iter_dict,
 }
 
 
+/**
+ * Add a double 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 double value
+ * @return TRUE on success, FALSE on failure
+ *
+ */
+dbus_bool_t wpa_dbus_dict_append_double(DBusMessageIter *iter_dict,
+					const char* key,
+					const double value)
+{
+	if (!key || !value)
+		return FALSE;
+	return _wpa_dbus_add_dict_entry_basic(iter_dict, key, DBUS_TYPE_DOUBLE,
+					      &value);
+}
+
+
 /**
  * Begin an array entry in the dict
  *
diff --git a/wpa_supplicant/dbus/dbus_dict_helpers.h b/wpa_supplicant/dbus/dbus_dict_helpers.h
index 44685ea4a..cc9e26fa9 100644
--- a/wpa_supplicant/dbus/dbus_dict_helpers.h
+++ b/wpa_supplicant/dbus/dbus_dict_helpers.h
@@ -59,6 +59,10 @@ dbus_bool_t wpa_dbus_dict_append_byte_array(DBusMessageIter *iter_dict,
 					    const char *value,
 					    const dbus_uint32_t value_len);
 
+dbus_bool_t wpa_dbus_dict_append_double(DBusMessageIter *iter_dict,
+					const char *key,
+					const double value);
+
 /* Manual construction and addition of array elements */
 dbus_bool_t wpa_dbus_dict_begin_array(DBusMessageIter *iter_dict,
 				      const char *key, const char *type,
diff --git a/wpa_supplicant/dbus/dbus_new_helpers.c b/wpa_supplicant/dbus/dbus_new_helpers.c
index 06f74ad3d..1ce566ce0 100644
--- a/wpa_supplicant/dbus/dbus_new_helpers.c
+++ b/wpa_supplicant/dbus/dbus_new_helpers.c
@@ -1026,6 +1026,23 @@ DBusMessage * wpas_dbus_reply_new_from_error(DBusMessage *message,
 }
 
 
+double _wpas_dbus_new_guard_interval_to_double(enum guard_interval value)
+{
+  switch(value) {
+    case GUARD_INTERVAL_0_4:
+      return 0.4;
+    case GUARD_INTERVAL_0_8:
+      return 0.8;
+    case GUARD_INTERVAL_1_6:
+      return 1.6;
+    case GUARD_INTERVAL_3_2:
+      return 3.2;
+    default:
+      return 0;
+  }
+}
+
+
 /**
  * wpas_dbus_new_from_signal_information - Adds a wpa_signal_info
  * to a DBusMessage.
@@ -1149,6 +1166,18 @@ int wpas_dbus_new_from_signal_information(DBusMessageIter *iter,
 	    (si->data.avg_ack_signal &&
 	     !wpa_dbus_dict_append_int32(&iter_dict, "avg-ack-rssi",
 					 si->data.avg_ack_signal)) ||
+	    (si->data.rx_guard_interval &&
+	     !wpa_dbus_dict_append_double(&iter_dict, "rx-guard-interval",
+					  _wpas_dbus_new_guard_interval_to_double(si->data.rx_guard_interval))) ||
+	    (si->data.tx_guard_interval &&
+	     !wpa_dbus_dict_append_double(&iter_dict, "tx-guard-interval",
+					  _wpas_dbus_new_guard_interval_to_double(si->data.tx_guard_interval))) ||
+	    (si->data.rx_dcm &&
+	     !wpa_dbus_dict_append_bool(&iter_dict, "rx-dcm",
+					si->data.rx_dcm)) ||
+	    (si->data.tx_dcm &&
+	     !wpa_dbus_dict_append_bool(&iter_dict, "tx-dcm",
+					si->data.tx_dcm)) ||
 	    !wpa_dbus_dict_close_write(&variant_iter, &iter_dict) ||
 	    !dbus_message_iter_close_container(iter, &variant_iter))
 		return -ENOMEM;
-- 
2.41.0.487.g6d72f3e995-goog


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