*/
#define WPA_BSS_EXPIRATION_SCAN_COUNT 2
+#define WPA_BSS_FREQ_CHANGED_FLAG BIT(0)
+#define WPA_BSS_SIGNAL_CHANGED_FLAG BIT(1)
+#define WPA_BSS_PRIVACY_CHANGED_FLAG BIT(2)
+#define WPA_BSS_MODE_CHANGED_FLAG BIT(3)
+#define WPA_BSS_WPAIE_CHANGED_FLAG BIT(4)
+#define WPA_BSS_RSNIE_CHANGED_FLAG BIT(5)
+#define WPA_BSS_WPS_CHANGED_FLAG BIT(6)
+#define WPA_BSS_RATES_CHANGED_FLAG BIT(7)
+
static void wpa_bss_remove(struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
{
}
+static int are_ies_equal(const struct wpa_bss *old,
+ const struct wpa_scan_res *new, u32 ie)
+{
+ const u8 *old_ie, *new_ie;
+ struct wpabuf *old_ie_buff = NULL;
+ struct wpabuf *new_ie_buff = NULL;
+ int new_ie_len, old_ie_len, ret, is_multi;
+
+ switch (ie) {
+ case WPA_IE_VENDOR_TYPE:
+ old_ie = wpa_bss_get_vendor_ie(old, ie);
+ new_ie = wpa_scan_get_vendor_ie(new, ie);
+ is_multi = 0;
+ break;
+ case WPS_IE_VENDOR_TYPE:
+ old_ie_buff = wpa_bss_get_vendor_ie_multi(old, ie);
+ new_ie_buff = wpa_scan_get_vendor_ie_multi(new, ie);
+ is_multi = 1;
+ break;
+ case WLAN_EID_RSN:
+ case WLAN_EID_SUPP_RATES:
+ case WLAN_EID_EXT_SUPP_RATES:
+ old_ie = wpa_bss_get_ie(old, ie);
+ new_ie = wpa_scan_get_ie(new, ie);
+ is_multi = 0;
+ break;
+ default:
+ wpa_printf(MSG_DEBUG, "bss: %s: cannot compare IEs", __func__);
+ return 0;
+ }
+
+ if (is_multi) {
+ /* in case of multiple IEs stored in buffer */
+ old_ie = old_ie_buff ? wpabuf_head_u8(old_ie_buff) : NULL;
+ new_ie = new_ie_buff ? wpabuf_head_u8(new_ie_buff) : NULL;
+ old_ie_len = old_ie_buff ? wpabuf_len(old_ie_buff) : 0;
+ new_ie_len = new_ie_buff ? wpabuf_len(new_ie_buff) : 0;
+ } else {
+ /* in case of single IE */
+ old_ie_len = old_ie ? old_ie[1] + 2 : 0;
+ new_ie_len = new_ie ? new_ie[1] + 2 : 0;
+ }
+
+ ret = (old_ie_len == new_ie_len &&
+ os_memcmp(old_ie, new_ie, old_ie_len) == 0);
+
+ wpabuf_free(old_ie_buff);
+ wpabuf_free(new_ie_buff);
+
+ return ret;
+}
+
+
+static u32 wpa_bss_compare_res(const struct wpa_bss *old,
+ const struct wpa_scan_res *new)
+{
+ u32 changes = 0;
+ int caps_diff = old->caps ^ new->caps;
+
+ if (old->freq != new->freq)
+ changes |= WPA_BSS_FREQ_CHANGED_FLAG;
+
+ if (old->level != new->level)
+ changes |= WPA_BSS_SIGNAL_CHANGED_FLAG;
+
+ if (caps_diff & IEEE80211_CAP_PRIVACY)
+ changes |= WPA_BSS_PRIVACY_CHANGED_FLAG;
+
+ if (caps_diff & IEEE80211_CAP_IBSS)
+ changes |= WPA_BSS_MODE_CHANGED_FLAG;
+
+ if (!are_ies_equal(old, new, WPA_IE_VENDOR_TYPE))
+ changes |= WPA_BSS_WPAIE_CHANGED_FLAG;
+
+ if (!are_ies_equal(old, new, WLAN_EID_RSN))
+ changes |= WPA_BSS_RSNIE_CHANGED_FLAG;
+
+ if (!are_ies_equal(old, new, WPS_IE_VENDOR_TYPE))
+ changes |= WPA_BSS_WPS_CHANGED_FLAG;
+
+ if (!are_ies_equal(old, new, WLAN_EID_SUPP_RATES) ||
+ !are_ies_equal(old, new, WLAN_EID_EXT_SUPP_RATES))
+ changes |= WPA_BSS_RATES_CHANGED_FLAG;
+
+ return changes;
+}
+
+
+static void notify_bss_changes(struct wpa_supplicant *wpa_s, u32 changes,
+ const struct wpa_bss *bss)
+{
+ if (changes & WPA_BSS_FREQ_CHANGED_FLAG)
+ wpas_notify_bss_freq_changed(wpa_s, bss->id);
+
+ if (changes & WPA_BSS_SIGNAL_CHANGED_FLAG)
+ wpas_notify_bss_signal_changed(wpa_s, bss->id);
+
+ if (changes & WPA_BSS_PRIVACY_CHANGED_FLAG)
+ wpas_notify_bss_privacy_changed(wpa_s, bss->id);
+
+ if (changes & WPA_BSS_MODE_CHANGED_FLAG)
+ wpas_notify_bss_mode_changed(wpa_s, bss->id);
+
+ if (changes & WPA_BSS_WPAIE_CHANGED_FLAG)
+ wpas_notify_bss_wpaie_changed(wpa_s, bss->id);
+
+ if (changes & WPA_BSS_RSNIE_CHANGED_FLAG)
+ wpas_notify_bss_rsnie_changed(wpa_s, bss->id);
+
+ if (changes & WPA_BSS_WPS_CHANGED_FLAG)
+ wpas_notify_bss_wps_changed(wpa_s, bss->id);
+
+ if (changes & WPA_BSS_RATES_CHANGED_FLAG)
+ wpas_notify_bss_rates_changed(wpa_s, bss->id);
+}
+
+
static void wpa_bss_update(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
struct wpa_scan_res *res)
{
+ u32 changes;
+
+ changes = wpa_bss_compare_res(bss, res);
bss->scan_miss_count = 0;
bss->last_update_idx = wpa_s->bss_update_idx;
wpa_bss_copy_res(bss, res);
dl_list_add(prev, &bss->list_id);
}
dl_list_add_tail(&wpa_s->bss, &bss->list);
+
+ notify_bss_changes(wpa_s, changes, bss);
}
/**
+ * wpas_dbus_bss_signal_prop_changed - Signals change of BSS property
+ * @wpa_s: %wpa_supplicant network interface data
+ * @property: indicates which property has changed
+ * @id: unique BSS identifier
+ *
+ * Sends PropertyChanged signals with path, interface, and arguments depending
+ * on which property has changed.
+ */
+void wpas_dbus_bss_signal_prop_changed(struct wpa_supplicant *wpa_s,
+ enum wpas_dbus_bss_prop property,
+ unsigned int id)
+{
+ char path[WPAS_DBUS_OBJECT_PATH_MAX];
+ char *prop;
+
+ switch (property) {
+ case WPAS_DBUS_BSS_PROP_SIGNAL:
+ prop = "Signal";
+ break;
+ case WPAS_DBUS_BSS_PROP_FREQ:
+ prop = "Frequency";
+ break;
+ case WPAS_DBUS_BSS_PROP_MODE:
+ prop = "Mode";
+ break;
+ case WPAS_DBUS_BSS_PROP_PRIVACY:
+ prop = "Privacy";
+ break;
+ case WPAS_DBUS_BSS_PROP_RATES:
+ prop = "Rates";
+ break;
+ case WPAS_DBUS_BSS_PROP_WPAIE:
+ prop = "WPAIE";
+ break;
+ case WPAS_DBUS_BSS_PROP_RSNIE:
+ prop = "RSNIE";
+ break;
+ case WPAS_DBUS_BSS_PROP_WPSIE:
+ prop = "WPSIE";
+ break;
+ default:
+ wpa_printf(MSG_ERROR, "dbus: %s: Unknown Property value %d",
+ __func__, property);
+ return;
+ }
+
+ os_snprintf(path, WPAS_DBUS_OBJECT_PATH_MAX,
+ "%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
+ wpa_s->dbus_new_path, id);
+
+ wpa_dbus_mark_property_changed(wpa_s->global->dbus, path,
+ WPAS_DBUS_NEW_IFACE_BSSID, prop);
+}
+
+
+/**
* wpas_dbus_signal_debug_level_changed - Signals change of debug param
* @global: wpa_global structure
*
WPAS_DBUS_PROP_CURRENT_NETWORK,
};
+enum wpas_dbus_bss_prop {
+ WPAS_DBUS_BSS_PROP_SIGNAL,
+ WPAS_DBUS_BSS_PROP_FREQ,
+ WPAS_DBUS_BSS_PROP_MODE,
+ WPAS_DBUS_BSS_PROP_PRIVACY,
+ WPAS_DBUS_BSS_PROP_RATES,
+ WPAS_DBUS_BSS_PROP_WPAIE,
+ WPAS_DBUS_BSS_PROP_RSNIE,
+ WPAS_DBUS_BSS_PROP_WPSIE,
+};
+
#define WPAS_DBUS_OBJECT_PATH_MAX 150
#define WPAS_DBUS_NEW_SERVICE "fi.w1.wpa_supplicant1"
int wpas_dbus_unregister_interface(struct wpa_supplicant *wpa_s);
void wpas_dbus_signal_prop_changed(struct wpa_supplicant *wpa_s,
enum wpas_dbus_prop property);
+void wpas_dbus_bss_signal_prop_changed(struct wpa_supplicant *wpa_s,
+ enum wpas_dbus_bss_prop property,
+ unsigned int id);
void wpas_dbus_signal_network_enabled_changed(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid);
void wpas_dbus_signal_network_selected(struct wpa_supplicant *wpa_s, int id);
{
}
+static inline void wpas_dbus_bss_signal_prop_changed(
+ struct wpa_supplicant *wpa_s, enum wpas_dbus_bss_prop property,
+ unsigned int id)
+{
+}
+
static inline void wpas_dbus_signal_network_enabled_changed(
struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
{
}
+void wpas_notify_bss_freq_changed(struct wpa_supplicant *wpa_s,
+ unsigned int id)
+{
+ wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_FREQ, id);
+}
+
+
+void wpas_notify_bss_signal_changed(struct wpa_supplicant *wpa_s,
+ unsigned int id)
+{
+ wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_SIGNAL,
+ id);
+}
+
+
+void wpas_notify_bss_privacy_changed(struct wpa_supplicant *wpa_s,
+ unsigned int id)
+{
+ wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_PRIVACY,
+ id);
+}
+
+
+void wpas_notify_bss_mode_changed(struct wpa_supplicant *wpa_s,
+ unsigned int id)
+{
+ wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_MODE, id);
+}
+
+
+void wpas_notify_bss_wpaie_changed(struct wpa_supplicant *wpa_s,
+ unsigned int id)
+{
+ wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPAIE, id);
+}
+
+
+void wpas_notify_bss_rsnie_changed(struct wpa_supplicant *wpa_s,
+ unsigned int id)
+{
+ wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RSNIE, id);
+}
+
+
+void wpas_notify_bss_wps_changed(struct wpa_supplicant *wpa_s,
+ unsigned int id)
+{
+ wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPSIE, id);
+}
+
+
+void wpas_notify_bss_rates_changed(struct wpa_supplicant *wpa_s,
+ unsigned int id)
+{
+ wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RATES, id);
+}
+
+
void wpas_notify_blob_added(struct wpa_supplicant *wpa_s, const char *name)
{
wpas_dbus_signal_blob_added(wpa_s, name);
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