Added support of Multiple same SSIDs including band steering.submit/tizen/20190409.131053accepted/tizen/unified/20190410.061801

When there are multiple APs with the same SSID and security,
this patch support below features:
1. If AP does not respond to probe request during connection
procedure, connman tries to connect with the next available BSSID
before sending disconnected event to application.

2. If connection with AP is failed during association due to
ASSOC_REJECT, connman tries to connect with the next available BSSID
before sending disconnected event to application.

Change-Id: Ie80939bd013a12b9c88e91a1fd5a05fbb57c1833
Signed-off-by: Niraj Kumar Goit <niraj.g@samsung.com>

1 files changed, 41 insertions, 1 deletions

diff --git a/plugins/wifi.c b/plugins/wifi.c
index cd543be9..dfcff59c 100644
--- a/plugins/wifi.c
+++ b/plugins/wifi.c
@@ -3261,7 +3261,32 @@ static void ssid_init(GSupplicantSSID *ssid, struct connman_network *network)
 	ssid->pin_wps = connman_network_get_string(network, "WiFi.PinWPS");
 
 #if defined TIZEN_EXT
-	ssid->bssid = connman_network_get_bssid(network);
+	GSList *bssid_list = (GSList *)connman_network_get_bssid_list(network);
+	if (bssid_list && g_slist_length(bssid_list) > 1) {
+		GSList *list;
+		char buff[MAC_ADDRESS_LENGTH];
+		for (list = bssid_list; list; list = list->next) {
+			struct connman_bssids * bssids = (struct connman_bssids *)list->data;
+
+			g_snprintf(buff, MAC_ADDRESS_LENGTH, "%02x:%02x:%02x:%02x:%02x:%02x",
+					bssids->bssid[0], bssids->bssid[1], bssids->bssid[2],
+					bssids->bssid[3], bssids->bssid[4], bssids->bssid[5]);
+			buff[MAC_ADDRESS_LENGTH - 1] = '\0';
+
+			char *last_bssid = connman_network_get_last_bssid(network);
+
+			if (strcmp(last_bssid, buff) == 0) {
+				DBG("last_bssid match, try next bssid");
+				continue;
+			} else {
+				connman_network_set_last_bssid(network, buff);
+
+				ssid->bssid = &(bssids->bssid[0]);
+				break;
+			}
+		}
+	} else
+		ssid->bssid = connman_network_get_bssid(network);
 
 	ssid->eap_keymgmt = network_eap_keymgmt(
 			connman_network_get_string(network, "WiFi.KeymgmtType"));
@@ -3740,7 +3765,11 @@ static bool handle_assoc_status_code(GSupplicantInterface *interface,
                                      struct wifi_data *wifi)
 {
 	if (wifi->state == G_SUPPLICANT_STATE_ASSOCIATING &&
+#if defined TIZEN_EXT
+			wifi->assoc_code > 0 &&
+#else
 			wifi->assoc_code == ASSOC_STATUS_NO_CLIENT &&
+#endif
 			wifi->load_shaping_retries < LOAD_SHAPING_MAX_RETRIES) {
 		wifi->load_shaping_retries ++;
 		return TRUE;
@@ -3962,8 +3991,15 @@ static void interface_state(GSupplicantInterface *interface)
 		if (is_idle(wifi))
 			break;
 
+#if defined TIZEN_EXT
+		if (handle_assoc_status_code(interface, wifi)) {
+			network_connect(network);
+			break;
+		}
+#else
 		if (handle_assoc_status_code(interface, wifi))
 			break;
+#endif
 
 		/* If previous state was 4way-handshake, then
 		 * it's either: psk was incorrect and thus we retry
@@ -4593,6 +4629,10 @@ static void network_changed(GSupplicantNetwork *network, const char *property)
 	bssid_list = (GSList *)g_supplicant_network_get_bssid_list(network);
 	connman_network_set_bssid_list(connman_network, bssid_list);
 	connman_network_set_phy_mode(connman_network, phy_mode);
+
+	if (g_str_equal(property, "CheckMultiBssidConnect") &&
+			connman_network_get_associating(connman_network))
+		network_connect(connman_network);
 #endif
 }