Add gtest for line coverage
[platform/core/api/tethering.git] / src / tethering.c
index 9be81cf..bf4551c 100755 (executable)
@@ -14,6 +14,7 @@
 * limitations under the License.
 */
 
+#define _GNU_SOURCE
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <dbus/dbus.h>
 #include <gio/gio.h>
 #include <vconf.h>
-#include <openssl/evp.h>
-#include <openssl/sha.h>
 #include <ckmc/ckmc-manager.h>
+#include <tzplatform_config.h>
 #include "tethering_private.h"
 
-#define ALLOWED_LIST   "/etc/hostapd.accept"
-#define BLOCKED_LIST   "/etc/hostapd.deny"
-#define TEMP_LIST      "/etc/hostapd_tmp"
+#define ALLOWED_LIST   tzplatform_mkpath(TZ_SYS_VAR, "/lib/hostapd/hostapd.accept")
+#define BLOCKED_LIST   tzplatform_mkpath(TZ_SYS_VAR, "/lib/hostapd/hostapd.deny")
+#define TEMP_LIST      tzplatform_mkpath(TZ_SYS_VAR, "/lib/hostapd/.hostapd_tmp")
 #define MAC_ADDR_LEN   18
 #define MAX_BUF_SIZE   80
 
+#define IPTABLES        "/usr/sbin/iptables"
+#define TABLE_NAT       "nat"
+#define TETH_NAT_PRE        "teth_nat_pre"
+#define TABLE_FILTER        "filter"
+#define TETH_FILTER_FW      "teth_filter_fw"
+#define ACTION_DROP     "DROP"
+#define ACTION_ACCEPT       "ACCEPT"
+#define PORT_FORWARD_RULE_STR   "-t %s -A %s -i %s -p %s -d %s --dport %d -j DNAT --to %s:%d"
+#define FILTERING_MULTIPORT_RULE_STR    "-t %s -A %s -p %s -m multiport --dport %d,%d -j %s"
+#define FILTERING_RULE_STR  "-t %s -A %s -p %s --dport %d -j %s"
+
+static GSList *allowed_list = NULL;
+static GSList *blocked_list = NULL;
+static GSList *port_forwarding = NULL;
+static GSList *port_filtering = NULL;
+static GSList *custom_port_filtering = NULL;
+
 static void __handle_wifi_tether_on(GDBusConnection *connection, const gchar *sender_name,
                        const gchar *object_path, const gchar *interface_name, const gchar *signal_name,
                        GVariant *parameters, gpointer user_data);
@@ -61,14 +78,6 @@ static void __handle_bt_tether_off(GDBusConnection *connection, const gchar *sen
                const gchar *object_path, const gchar *interface_name, const gchar *signal_name,
                GVariant *parameters, gpointer user_data);
 
-static void __handle_wifi_ap_on(GDBusConnection *connection, const gchar *sender_name,
-               const gchar *object_path, const gchar *interface_name, const gchar *signal_name,
-               GVariant *parameters, gpointer user_data);
-
-static void __handle_wifi_ap_off(GDBusConnection *connection, const gchar *sender_name,
-               const gchar *object_path, const gchar *interface_name, const gchar *signal_name,
-               GVariant *parameters, gpointer user_data);
-
 static void __handle_net_closed(GDBusConnection *connection, const gchar *sender_name,
                const gchar *object_path, const gchar *interface_name, const gchar *signal_name,
                GVariant *parameters, gpointer user_data);
@@ -109,16 +118,13 @@ static __tethering_sig_t sigs[] = {
        {0, SIGNAL_NAME_USB_TETHER_OFF, __handle_usb_tether_off},
        {0, SIGNAL_NAME_BT_TETHER_ON, __handle_bt_tether_on},
        {0, SIGNAL_NAME_BT_TETHER_OFF, __handle_bt_tether_off},
-       {0, SIGNAL_NAME_WIFI_AP_ON, __handle_wifi_ap_on},
-       {0, SIGNAL_NAME_WIFI_AP_OFF, __handle_wifi_ap_off},
        {0, SIGNAL_NAME_NO_DATA_TIMEOUT, __handle_no_data_timeout},
        {0, SIGNAL_NAME_LOW_BATTERY_MODE, __handle_low_battery_mode},
        {0, SIGNAL_NAME_FLIGHT_MODE, __handle_flight_mode},
        {0, SIGNAL_NAME_SECURITY_TYPE_CHANGED, __handle_security_type_changed},
        {0, SIGNAL_NAME_SSID_VISIBILITY_CHANGED, __handle_ssid_visibility_changed},
        {0, SIGNAL_NAME_PASSPHRASE_CHANGED, __handle_passphrase_changed},
-       {0, SIGNAL_NAME_DHCP_STATUS, __handle_dhcp},
-       {0, "", NULL} };
+       {0, SIGNAL_NAME_DHCP_STATUS, __handle_dhcp} };
 
 static int retry = 0;
 
@@ -139,7 +145,6 @@ static void __send_dbus_signal(GDBusConnection *conn, const char *signal_name, c
                ERR("g_dbus_connection_emit_signal is failed because  %s\n", error->message);
                g_error_free(error);
        }
-       g_variant_unref(message);
 }
 
 static bool __any_tethering_is_enabled(tethering_h tethering)
@@ -147,7 +152,7 @@ static bool __any_tethering_is_enabled(tethering_h tethering)
        if (tethering_is_enabled(tethering, TETHERING_TYPE_USB) ||
                        tethering_is_enabled(tethering, TETHERING_TYPE_WIFI) ||
                        tethering_is_enabled(tethering, TETHERING_TYPE_BT) ||
-                       tethering_is_enabled(tethering, TETHERING_TYPE_RESERVED))
+                       tethering_is_enabled(tethering, TETHERING_TYPE_P2P))
                return true;
 
        return false;
@@ -156,7 +161,9 @@ static bool __any_tethering_is_enabled(tethering_h tethering)
 static tethering_error_e __set_security_type(const tethering_wifi_security_type_e security_type)
 {
        if (security_type != TETHERING_WIFI_SECURITY_TYPE_NONE &&
-                       security_type != TETHERING_WIFI_SECURITY_TYPE_WPA2_PSK) {
+                       security_type != TETHERING_WIFI_SECURITY_TYPE_WPA2_PSK &&
+                       security_type != TETHERING_WIFI_SECURITY_TYPE_WPS &&
+                       security_type != TETHERING_WIFI_SECURITY_TYPE_SAE) {
                ERR("Invalid param\n");
                return TETHERING_ERROR_INVALID_PARAMETER;
        }
@@ -307,7 +314,6 @@ static tethering_error_e __get_error(int agent_error)
        case MOBILE_AP_ERROR_PERMISSION_DENIED:
                err = TETHERING_ERROR_PERMISSION_DENIED;
                break;
-
        default:
                ERR("Not defined error : %d\n", agent_error);
                err = TETHERING_ERROR_OPERATION_FAILED;
@@ -356,9 +362,9 @@ static void __handle_dhcp(GDBusConnection *connection, const gchar *sender_name,
                type = TETHERING_TYPE_WIFI;
        else if (ap_type == MOBILE_AP_TYPE_BT)
                type = TETHERING_TYPE_BT;
-       else if (ap_type == MOBILE_AP_TYPE_WIFI_AP) {
-               type = TETHERING_TYPE_RESERVED;
-       else {
+       else if (ap_type == MOBILE_AP_TYPE_P2P)
+               type = TETHERING_TYPE_P2P;
+       else {
                ERR("Not supported tethering type [%d]\n", ap_type);
                goto DONE;
        }
@@ -571,60 +577,6 @@ static void __handle_bt_tether_off(GDBusConnection *connection, const gchar *sen
        DBG("-\n");
 }
 
-static void __handle_wifi_ap_on(GDBusConnection *connection, const gchar *sender_name,
-                       const gchar *object_path, const gchar *interface_name, const gchar *signal_name,
-                       GVariant *parameters, gpointer user_data)
-{
-       DBG("+\n");
-
-       _retm_if(user_data == NULL, "parameter(user_data) is NULL\n");
-
-       __tethering_h *th = (__tethering_h *)user_data;
-       tethering_type_e type = TETHERING_TYPE_RESERVED;
-       bool is_requested = false;
-       tethering_enabled_cb ecb = NULL;
-       void *data = NULL;
-
-       ecb = th->enabled_cb[type];
-       if (ecb == NULL)
-               return;
-       data = th->enabled_user_data[type];
-
-       ecb(TETHERING_ERROR_NONE, type, is_requested, data);
-       DBG("-\n");
-}
-
-static void __handle_wifi_ap_off(GDBusConnection *connection, const gchar *sender_name,
-                       const gchar *object_path, const gchar *interface_name, const gchar *signal_name,
-                       GVariant *parameters, gpointer user_data)
-{
-       DBG("+\n");
-
-       _retm_if(user_data == NULL, "parameter(user_data) is NULL\n");
-
-       __tethering_h *th = (__tethering_h *)user_data;
-       tethering_type_e type = TETHERING_TYPE_RESERVED;
-       tethering_disabled_cause_e code = TETHERING_DISABLED_BY_OTHERS;
-       tethering_disabled_cb dcb = NULL;
-       void *data = NULL;
-       char *buf = NULL;
-
-       dcb = th->disabled_cb[type];
-       if (dcb == NULL)
-               return;
-       data = th->disabled_user_data[type];
-       g_variant_get(parameters, "(s)", &buf);
-       if (!g_strcmp0(buf, SIGNAL_MSG_NOT_AVAIL_INTERFACE))
-               code = TETHERING_DISABLED_BY_WIFI_ON;
-       else if (!g_strcmp0(buf, SIGNAL_MSG_TIMEOUT))
-               code = TETHERING_DISABLED_BY_TIMEOUT;
-       g_free(buf);
-
-       dcb(TETHERING_ERROR_NONE, type, code, data);
-
-       DBG("-\n");
-}
-
 static void __handle_no_data_timeout(GDBusConnection *connection, const gchar *sender_name,
                        const gchar *object_path, const gchar *interface_name, const gchar *signal_name,
                        GVariant *parameters, gpointer user_data)
@@ -664,7 +616,7 @@ static void __handle_low_battery_mode(GDBusConnection *connection, const gchar *
        void *data = NULL;
        tethering_disabled_cause_e code = TETHERING_DISABLED_BY_LOW_BATTERY;
 
-       for (type = TETHERING_TYPE_USB; type <= TETHERING_TYPE_RESERVED; type++) {
+       for (type = TETHERING_TYPE_USB; type <= TETHERING_TYPE_BT; type++) {
                dcb = th->disabled_cb[type];
                if (dcb == NULL)
                        continue;
@@ -689,7 +641,7 @@ static void __handle_flight_mode(GDBusConnection *connection, const gchar *sende
        void *data = NULL;
        tethering_disabled_cause_e code = TETHERING_DISABLED_BY_FLIGHT_MODE;
 
-       for (type = TETHERING_TYPE_USB; type <= TETHERING_TYPE_RESERVED; type++) {
+       for (type = TETHERING_TYPE_USB; type <= TETHERING_TYPE_BT; type++) {
                dcb = th->disabled_cb[type];
                if (dcb == NULL)
                        continue;
@@ -725,6 +677,10 @@ static void __handle_security_type_changed(GDBusConnection *connection, const gc
                security_type = TETHERING_WIFI_SECURITY_TYPE_NONE;
        else if (g_strcmp0(buf, TETHERING_WIFI_SECURITY_TYPE_WPA2_PSK_STR) == 0)
                security_type = TETHERING_WIFI_SECURITY_TYPE_WPA2_PSK;
+       else if (g_strcmp0(buf, TETHERING_WIFI_SECURITY_TYPE_WPS_STR) == 0)
+               security_type = TETHERING_WIFI_SECURITY_TYPE_WPS;
+       else if (g_strcmp0(buf, TETHERING_WIFI_SECURITY_TYPE_SAE_STR) == 0)
+               security_type = TETHERING_WIFI_SECURITY_TYPE_SAE;
        else {
                SERR("Unknown type : %s\n", buf);
                g_free(buf);
@@ -790,7 +746,7 @@ static void __handle_passphrase_changed(GDBusConnection *connection, const gchar
 static void __wifi_enabled_cfm_cb(GObject *source_object, GAsyncResult *res,
                gpointer user_data)
 {
-       DBG("+\n");
+       INFO("+\n");
 
        _retm_if(user_data == NULL, "parameter(user_data) is NULL\n");
        GError *g_error = NULL;
@@ -801,6 +757,9 @@ static void __wifi_enabled_cfm_cb(GObject *source_object, GAsyncResult *res,
        tethering_enabled_cb ecb = th->enabled_cb[TETHERING_TYPE_WIFI];
        void *data = th->enabled_user_data[TETHERING_TYPE_WIFI];
 
+       if (!_tethering_check_handle((tethering_h)user_data))
+               return;
+
        g_var  = g_dbus_proxy_call_finish(th->client_bus_proxy, res, &g_error);
        if (g_error) {
                ERR("DBus error [%s]\n", g_error->message);
@@ -820,18 +779,20 @@ static void __wifi_enabled_cfm_cb(GObject *source_object, GAsyncResult *res,
        }
        retry = 0;
 
+       INFO("cfm event : wifi tethering enable info : %d\n", error);
+
        sigs[E_SIGNAL_WIFI_TETHER_ON].sig_id = g_dbus_connection_signal_subscribe(th->client_bus,
                        NULL, TETHERING_SERVICE_INTERFACE, sigs[E_SIGNAL_WIFI_TETHER_ON].name,
                        TETHERING_SERVICE_OBJECT_PATH, NULL, G_DBUS_SIGNAL_FLAGS_NONE,
                        sigs[E_SIGNAL_WIFI_TETHER_ON].cb, (gpointer)th, NULL);
 
        if (!ecb) {
-               DBG("-\n");
+               INFO("-\n");
                return;
        }
        ecb(error, TETHERING_TYPE_WIFI, true, data);
        g_variant_unref(g_var);
-       DBG("-\n");
+       INFO("-\n");
 }
 
 static void __bt_enabled_cfm_cb(GObject *source_object, GAsyncResult *res,
@@ -848,6 +809,9 @@ static void __bt_enabled_cfm_cb(GObject *source_object, GAsyncResult *res,
        tethering_enabled_cb ecb = th->enabled_cb[TETHERING_TYPE_BT];
        void *data = th->enabled_user_data[TETHERING_TYPE_BT];
 
+       if (!_tethering_check_handle((tethering_h)user_data))
+               return;
+
        g_var  = g_dbus_proxy_call_finish(th->client_bus_proxy, res, &g_error);
        if (g_error) {
                ERR("DBus error [%s]\n", g_error->message);
@@ -898,6 +862,9 @@ static void __usb_enabled_cfm_cb(GObject *source_object, GAsyncResult *res,
        tethering_enabled_cb ecb = th->enabled_cb[TETHERING_TYPE_USB];
        void *data = th->enabled_user_data[TETHERING_TYPE_USB];
 
+       if (!_tethering_check_handle((tethering_h)user_data))
+               return;
+
        g_var  = g_dbus_proxy_call_finish(th->client_bus_proxy, res, &g_error);
        if (g_error) {
                ERR("DBus error [%s]\n", g_error->message);
@@ -934,8 +901,8 @@ static void __usb_enabled_cfm_cb(GObject *source_object, GAsyncResult *res,
        DBG("-\n");
 }
 
-static void __wifi_ap_enabled_cfm_cb(GObject *source_object, GAsyncResult *res,
-               gpointer user_data)
+static void __p2p_enabled_cfm_cb(GObject *source_object, GAsyncResult *res,
+                                       gpointer user_data)
 {
        DBG("+\n");
 
@@ -945,8 +912,11 @@ static void __wifi_ap_enabled_cfm_cb(GObject *source_object, GAsyncResult *res,
        GVariant *g_var;
        guint info;
        tethering_error_e error;
-       tethering_enabled_cb ecb = th->enabled_cb[TETHERING_TYPE_RESERVED];
-       void *data = th->enabled_user_data[TETHERING_TYPE_RESERVED];
+       tethering_enabled_cb ecb = th->enabled_cb[TETHERING_TYPE_P2P];
+       void *data = th->enabled_user_data[TETHERING_TYPE_P2P];
+
+       if (!_tethering_check_handle((tethering_h)user_data))
+               return;
 
        g_var  = g_dbus_proxy_call_finish(th->client_bus_proxy, res, &g_error);
        if (g_error) {
@@ -954,7 +924,7 @@ static void __wifi_ap_enabled_cfm_cb(GObject *source_object, GAsyncResult *res,
                if (g_error->code == G_DBUS_ERROR_NO_REPLY &&
                                ++retry < TETHERING_ERROR_RECOVERY_MAX) {
                        g_error_free(g_error);
-                       tethering_enable((tethering_h)th, TETHERING_TYPE_RESERVED);
+                       tethering_enable((tethering_h)th, TETHERING_TYPE_P2P);
                        DBG("-\n");
                        return;
                }
@@ -970,24 +940,19 @@ static void __wifi_ap_enabled_cfm_cb(GObject *source_object, GAsyncResult *res,
        }
        retry = 0;
 
-       sigs[E_SIGNAL_WIFI_AP_ON].sig_id = g_dbus_connection_signal_subscribe(th->client_bus,
-                       NULL, TETHERING_SERVICE_INTERFACE, sigs[E_SIGNAL_WIFI_AP_ON].name,
-                       TETHERING_SERVICE_OBJECT_PATH, NULL, G_DBUS_SIGNAL_FLAGS_NONE,
-                       sigs[E_SIGNAL_WIFI_AP_ON].cb, (gpointer)th, NULL);
-
        if (!ecb) {
                DBG("-\n");
                return;
        }
 
-       ecb(error, TETHERING_TYPE_RESERVED, true, data);
+       ecb(error, TETHERING_TYPE_P2P, true, data);
        DBG("-\n");
 }
 
 static void __disabled_cfm_cb(GObject *source_object, GAsyncResult *res,
                gpointer user_data)
 {
-       DBG("+\n");
+       INFO("+\n");
 
        _retm_if(user_data == NULL, "parameter(user_data) is NULL\n");
        GError *g_error = NULL;
@@ -1001,6 +966,9 @@ static void __disabled_cfm_cb(GObject *source_object, GAsyncResult *res,
        tethering_disabled_cb dcb = NULL;
        void *data = NULL;
 
+       if (!_tethering_check_handle((tethering_h)user_data))
+               return;
+
        g_var  = g_dbus_proxy_call_finish(th->client_bus_proxy, res, &g_error);
        if (g_error) {
                ERR("DBus error [%s]\n", g_error->message);
@@ -1008,10 +976,10 @@ static void __disabled_cfm_cb(GObject *source_object, GAsyncResult *res,
                return;
        }
        g_variant_get(g_var, "(uu)", &event_type, &info);
-       DBG("cfm event : %d info : %d\n", event_type, info);
+       INFO("cfm event : %d info : %d\n", event_type, info);
        g_variant_unref(g_var);
        error = __get_error(info);
-       DBG("cfm event : %d info : %d\n", event_type, error);
+       INFO("cfm event : %d info : %d\n", event_type, error);
        switch (event_type) {
        case MOBILE_AP_DISABLE_WIFI_TETHERING_CFM:
                sigs[E_SIGNAL_WIFI_TETHER_OFF].sig_id = g_dbus_connection_signal_subscribe(th->client_bus,
@@ -1052,13 +1020,8 @@ static void __disabled_cfm_cb(GObject *source_object, GAsyncResult *res,
                        dcb(error, type, code, data);
                break;
 
-       case MOBILE_AP_DISABLE_WIFI_AP_CFM:
-               sigs[E_SIGNAL_WIFI_AP_OFF].sig_id = g_dbus_connection_signal_subscribe(th->client_bus,
-                               NULL, TETHERING_SERVICE_INTERFACE, sigs[E_SIGNAL_WIFI_AP_OFF].name,
-                               TETHERING_SERVICE_OBJECT_PATH, NULL, G_DBUS_SIGNAL_FLAGS_NONE,
-                               sigs[E_SIGNAL_WIFI_AP_OFF].cb, (gpointer)th, NULL);
-
-               type = TETHERING_TYPE_RESERVED;
+       case MOBILE_AP_DISABLE_P2P_TETHERING_CFM:
+               type = TETHERING_TYPE_P2P;
                dcb = th->disabled_cb[type];
                data = th->disabled_user_data[type];
                if (dcb)
@@ -1094,7 +1057,7 @@ static void __disabled_cfm_cb(GObject *source_object, GAsyncResult *res,
                ERR("Invalid event\n");
                break;
        }
-       DBG("-\n");
+       INFO("-\n");
 }
 
 static void __get_data_usage_cb(GObject *source_object, GAsyncResult *res,
@@ -1150,7 +1113,7 @@ static void __settings_reloaded_cb(GObject *source_object, GAsyncResult *res,
        GVariant *g_var;
        guint info;
        __tethering_h *th = (__tethering_h *)user_data;
-       tethering_error_e tethering_error;
+       tethering_error_e tethering_error = TETHERING_ERROR_NONE;
 
        g_var  = g_dbus_proxy_call_finish(th->client_bus_proxy, res, &g_error);
        if (g_error) {
@@ -1160,14 +1123,17 @@ static void __settings_reloaded_cb(GObject *source_object, GAsyncResult *res,
                else
                        tethering_error = TETHERING_ERROR_OPERATION_FAILED;
                g_error_free(g_error);
+       } else {
+               g_variant_get(g_var, "(u)", &info);
+               if (tethering_error == TETHERING_ERROR_NONE)
+                       tethering_error = __get_error(info);
+               g_variant_unref(g_var);
        }
+
        if (th->settings_reloaded_cb == NULL) {
                DBG("There is no settings_reloaded_cb\n-\n");
                return;
        }
-       g_variant_get(g_var, "(u)", &info);
-       tethering_error = __get_error(info);
-       g_variant_unref(g_var);
 
        th->settings_reloaded_cb(tethering_error,
                        th->settings_reloaded_user_data);
@@ -1177,43 +1143,6 @@ static void __settings_reloaded_cb(GObject *source_object, GAsyncResult *res,
        DBG("-\n");
 }
 
-static void __ap_settings_reloaded_cb(GObject *source_object, GAsyncResult *res,
-               gpointer user_data)
-{
-       DBG("+\n");
-
-       _retm_if(user_data == NULL, "parameter(user_data) is NULL\n");
-       GError *g_error = NULL;
-       GVariant *g_var;
-       guint info;
-       __tethering_h *th = (__tethering_h *)user_data;
-       tethering_error_e tethering_error;
-
-       g_var  = g_dbus_proxy_call_finish(th->client_bus_proxy, res, &g_error);
-       if (g_error) {
-               ERR("DBus fail [%s]\n", g_error->message);
-               if (g_error->code == G_DBUS_ERROR_ACCESS_DENIED)
-                       tethering_error = TETHERING_ERROR_PERMISSION_DENIED;
-               else
-                       tethering_error = TETHERING_ERROR_OPERATION_FAILED;
-               g_error_free(g_error);
-       }
-       if (th->ap_settings_reloaded_cb == NULL) {
-               DBG("There is no settings_reloaded_cb\n-\n");
-               return;
-       }
-       g_variant_get(g_var, "(u)", &info);
-       tethering_error = __get_error(info);
-       g_variant_unref(g_var);
-
-       th->ap_settings_reloaded_cb(tethering_error,
-                       th->ap_settings_reloaded_user_data);
-
-       th->ap_settings_reloaded_cb = NULL;
-       th->ap_settings_reloaded_user_data = NULL;
-       DBG("-\n");
-}
-
 static void __connect_signals(tethering_h tethering)
 {
        DBG("+\n");
@@ -1258,19 +1187,12 @@ static bool __get_intf_name(tethering_type_e type, char *buf, unsigned int len)
        case TETHERING_TYPE_USB:
                g_strlcpy(buf, TETHERING_USB_IF, len);
                break;
-
        case TETHERING_TYPE_WIFI:
                g_strlcpy(buf, TETHERING_WIFI_IF, len);
                break;
-
        case TETHERING_TYPE_BT:
                g_strlcpy(buf, TETHERING_BT_IF, len);
                break;
-
-       case TETHERING_TYPE_RESERVED:
-               g_strlcpy(buf, TETHERING_WIFI_IF, len);
-               break;
-
        default:
                ERR("Not supported type : %d\n", type);
                return false;
@@ -1286,19 +1208,12 @@ static bool __get_gateway_addr(tethering_type_e type, char *buf, unsigned int le
        case TETHERING_TYPE_USB:
                g_strlcpy(buf, TETHERING_USB_GATEWAY, len);
                break;
-
        case TETHERING_TYPE_WIFI:
                g_strlcpy(buf, TETHERING_WIFI_GATEWAY, len);
                break;
-
        case TETHERING_TYPE_BT:
                g_strlcpy(buf, TETHERING_BT_GATEWAY, len);
                break;
-
-       case TETHERING_TYPE_RESERVED:
-               g_strlcpy(buf, TETHERING_WIFI_GATEWAY, len);
-               break;
-
        default:
                ERR("Not supported type : %d\n", type);
                return false;
@@ -1357,7 +1272,7 @@ static bool __get_wifi_mode_type(tethering_wifi_mode_type_e type, char **buf)
 
 static int __prepare_wifi_settings(tethering_h tethering, _softap_settings_t *set)
 {
-       DBG("+\n");
+       INFO("+\n");
 
        __tethering_h *th = (__tethering_h *)tethering;
        tethering_error_e ret = TETHERING_ERROR_NONE;
@@ -1382,6 +1297,7 @@ static int __prepare_wifi_settings(tethering_h tethering, _softap_settings_t *se
                set->visibility = th->visibility;
 
        set->mac_filter = th->mac_filter;
+       set->max_connected = th->wifi_max_connected;
        set->channel = th->channel;
 
        __get_wifi_mode_type(th->mode_type, &ptr);
@@ -1418,66 +1334,37 @@ static int __prepare_wifi_settings(tethering_h tethering, _softap_settings_t *se
 
                if (parameters != NULL) {
                        g_variant_get(parameters, "(siu)", &passphrase, &len, &ret);
+                       g_strlcpy(set->key, passphrase, sizeof(set->key) - 1);
+                       g_free(passphrase);
                        g_variant_unref(parameters);
                }
-
-               g_strlcpy(set->key, passphrase, sizeof(set->key));
-       }
-       DBG("-\n");
-       return TETHERING_ERROR_NONE;
-}
-
-static int __prepare_wifi_ap_settings(tethering_h tethering, _softap_settings_t *set)
-{
-       DBG("+\n");
-
-       __tethering_h *th = (__tethering_h *)tethering;
-
-       if (th == NULL || set == NULL) {
-               ERR("null parameter\n");
-               return TETHERING_ERROR_INVALID_PARAMETER;
        }
 
-       g_strlcpy(set->ssid, th->ap_ssid, sizeof(set->ssid));
-       set->sec_type = th->sec_type;
-       set->visibility = th->visibility;
-
-       if (set->sec_type == TETHERING_WIFI_SECURITY_TYPE_NONE)
-               g_strlcpy(set->key, "", sizeof(set->key));
-       else
-               g_strlcpy(set->key, th->passphrase, sizeof(set->key));
-
-       DBG("-\n");
+       INFO("ssid: %s security: %d mode: %s channel: %d visibility: %s\n",
+                set->ssid, set->sec_type, set->mode, set->channel,
+                (set->visibility) ? "true" : "false");
+       INFO("-\n");
        return TETHERING_ERROR_NONE;
 }
 
 static bool __check_precondition(tethering_type_e type)
 {
-       int dnet_state = 0;
+       int dnet_status = 0;
        int cellular_state = 0;
-       int wifi_state = 0;
 
        /* data network through cellular */
        vconf_get_int(VCONFKEY_NETWORK_CELLULAR_STATE, &cellular_state);
        if (cellular_state == VCONFKEY_NETWORK_CELLULAR_ON) {
-               ERR("Data Network can be connected later");
+               INFO("Data Network can be connected later");
                return TRUE;
        }
 
-       vconf_get_int(VCONFKEY_DNET_STATE, &dnet_state);
-       if (dnet_state > VCONFKEY_DNET_OFF) {
-               ERR("Data Network is connected");
+       /* data network status */
+       vconf_get_int(VCONFKEY_NETWORK_STATUS, &dnet_status);
+       if ((dnet_status == VCONFKEY_NETWORK_WIFI
+                       && type != TETHERING_TYPE_WIFI)
+               || dnet_status == VCONFKEY_NETWORK_ETHERNET)
                return TRUE;
-       }
-
-       /* data network through wifi */
-       if (type != TETHERING_TYPE_WIFI) {
-               vconf_get_int(VCONFKEY_WIFI_STATE, &wifi_state);
-               if (wifi_state > VCONFKEY_WIFI_UNCONNECTED) {
-                       ERR("Wi-Fi is connected!");
-                       return TRUE;
-               }
-       }
 
        ERR("Network is not available!");
        return FALSE;
@@ -1503,7 +1390,7 @@ API int tethering_create(tethering_h *tethering)
        CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
-       DBG("+\n");
+       INFO("+\n");
 
        __tethering_h *th = NULL;
        GError *error = NULL;
@@ -1517,8 +1404,9 @@ API int tethering_create(tethering_h *tethering)
        th->sec_type = TETHERING_WIFI_SECURITY_TYPE_WPA2_PSK;
        th->visibility = true;
        th->mac_filter = false;
-       th->channel = 6;
+       th->channel = TETHERING_WIFI_CHANNEL;
        th->mode_type = TETHERING_WIFI_MODE_TYPE_G;
+       th->wifi_max_connected = TETHERING_WIFI_MAX_STA;
 
        if (__generate_initial_passphrase(th->passphrase,
                        sizeof(th->passphrase)) == 0) {
@@ -1533,13 +1421,6 @@ API int tethering_create(tethering_h *tethering)
                return TETHERING_ERROR_OPERATION_FAILED;
        }
 
-       th->ap_ssid = g_strdup(ssid);
-       if (th->ap_ssid == NULL) {
-               ERR("g_strdup failed\n");
-               free(th);
-               return TETHERING_ERROR_OPERATION_FAILED;
-       }
-
 #if !GLIB_CHECK_VERSION(2, 36, 0)
        g_type_init();
 #endif
@@ -1550,7 +1431,6 @@ API int tethering_create(tethering_h *tethering)
                g_error_free(error);
                g_cancellable_cancel(cancellable);
                g_object_unref(cancellable);
-               g_free(th->ap_ssid);
                free(th);
                return TETHERING_ERROR_OPERATION_FAILED;
        }
@@ -1565,7 +1445,6 @@ API int tethering_create(tethering_h *tethering)
                g_cancellable_cancel(th->cancellable);
                g_object_unref(th->cancellable);
                g_object_unref(th->client_bus);
-               g_free(th->ap_ssid);
                free(th);
                return TETHERING_ERROR_OPERATION_FAILED;
        }
@@ -1573,8 +1452,9 @@ API int tethering_create(tethering_h *tethering)
        __connect_signals((tethering_h)th);
 
        *tethering = (tethering_h)th;
-       DBG("Tethering Handle : 0x%X\n", th);
-       DBG("-\n");
+       _tethering_add_handle(th);
+       INFO("Tethering Handle : %p\n", th);
+       INFO("-\n");
        return TETHERING_ERROR_NONE;
 }
 
@@ -1592,28 +1472,29 @@ API int tethering_create(tethering_h *tethering)
  */
 API int tethering_destroy(tethering_h tethering)
 {
-       DBG("+\n");
+       INFO("+\n");
        CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
 
        __tethering_h *th = (__tethering_h *)tethering;
 
-       DBG("Tethering Handle : 0x%X\n", th);
+       INFO("Tethering Handle : %p\n", th);
+
        __disconnect_signals(tethering);
+       _tethering_remove_handle(th);
 
        if (th->ssid)
                free(th->ssid);
-       if (th->ap_ssid)
-               free(th->ap_ssid);
 
        g_object_unref(th->cancellable);
        g_object_unref(th->client_bus_proxy);
        g_object_unref(th->client_bus);
        memset(th, 0x00, sizeof(__tethering_h));
+
        free(th);
 
-       DBG("-\n");
+       INFO("-\n");
        return TETHERING_ERROR_NONE;
 }
 
@@ -1634,7 +1515,7 @@ API int tethering_destroy(tethering_h tethering)
  */
 API int tethering_enable(tethering_h tethering, tethering_type_e type)
 {
-       DBG("+ type :  %d\n", type);
+       INFO("+ type :  %d\n", type);
        CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
        if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
        else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
@@ -1650,9 +1531,9 @@ API int tethering_enable(tethering_h tethering, tethering_type_e type)
 
        g_dbus_proxy_set_default_timeout(proxy, DBUS_TIMEOUT_INFINITE);
 
-       if (type != TETHERING_TYPE_RESERVED
-               && __check_precondition(type) == FALSE) {
-               DBG("-\n");
+       if (__check_precondition(type) == FALSE) {
+               INFO("-\n");
+               g_dbus_proxy_set_default_timeout(proxy, DBUS_TIMEOUT_USE_DEFAULT);
                return TETHERING_ERROR_OPERATION_FAILED;
        }
 
@@ -1661,7 +1542,8 @@ API int tethering_enable(tethering_h tethering, tethering_type_e type)
                g_dbus_connection_signal_unsubscribe(connection,
                                sigs[E_SIGNAL_USB_TETHER_ON].sig_id);
 
-               g_dbus_proxy_call(proxy, "enable_usb_tethering", NULL,
+               g_dbus_proxy_call(proxy, "enable_usb_tethering",
+                               g_variant_new("(i)", TETHERING_ADDRESS_FAMILY_IPV4),
                                G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
                                (GAsyncReadyCallback) __usb_enabled_cfm_cb, (gpointer)tethering);
                break;
@@ -1679,7 +1561,7 @@ API int tethering_enable(tethering_h tethering, tethering_type_e type)
                                sigs[E_SIGNAL_WIFI_TETHER_ON].sig_id);
 
                g_dbus_proxy_call(proxy, "enable_wifi_tethering",
-                               g_variant_new("(sssiiii)", set.ssid, set.key, set.mode, set.channel, set.visibility, set.mac_filter, set.sec_type),
+                               g_variant_new("(sssiiiiii)", set.ssid, set.key, set.mode, set.channel, set.visibility, set.mac_filter, set.max_connected, set.sec_type, TETHERING_ADDRESS_FAMILY_IPV4),
                                G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
                                (GAsyncReadyCallback) __wifi_enabled_cfm_cb, (gpointer)tethering);
                break;
@@ -1689,35 +1571,37 @@ API int tethering_enable(tethering_h tethering, tethering_type_e type)
                g_dbus_connection_signal_unsubscribe(connection,
                                sigs[E_SIGNAL_BT_TETHER_ON].sig_id);
 
-               g_dbus_proxy_call(proxy, "enable_bt_tethering", NULL,
+               g_dbus_proxy_call(proxy, "enable_bt_tethering",
+                               g_variant_new("(i)", TETHERING_ADDRESS_FAMILY_IPV4),
                                G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
                                (GAsyncReadyCallback) __bt_enabled_cfm_cb, (gpointer)tethering);
 
                break;
 
-       case TETHERING_TYPE_RESERVED: {
-               _softap_settings_t set = {"", "", "", 0, false};
-
-               ret = __prepare_wifi_ap_settings(tethering, &set);
+       case TETHERING_TYPE_P2P: {
+               _softap_settings_t p2p_set = {"", "", "", 0, false};
+               ret = __prepare_wifi_settings(tethering, &p2p_set);
                if (ret != TETHERING_ERROR_NONE) {
-                       ERR("softap settings initialization failed\n");
+                       ERR("p2p settings initialization failed\n");
+                       g_dbus_proxy_set_default_timeout(proxy, DBUS_TIMEOUT_USE_DEFAULT);
+                       DBG("-\n");
                        return TETHERING_ERROR_OPERATION_FAILED;
                }
 
-               g_dbus_connection_signal_unsubscribe(connection,
-                               sigs[E_SIGNAL_WIFI_AP_ON].sig_id);
-
-               g_dbus_proxy_call(proxy, "enable_wifi_ap",
-                               g_variant_new("(ssii)", set.ssid, set.key, set.visibility, set.sec_type),
-                               G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable, (GAsyncReadyCallback) __wifi_ap_enabled_cfm_cb, (gpointer)tethering);
+               g_dbus_proxy_call(proxy, "enable_p2p_tethering",
+                               g_variant_new("(ssi)", p2p_set.ssid, p2p_set.key, p2p_set.channel),
+                               G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
+                               (GAsyncReadyCallback) __p2p_enabled_cfm_cb, (gpointer)tethering);
                break;
        }
+
        case TETHERING_TYPE_ALL: {
                _softap_settings_t set = {"", "", "", 0, false};
 
                ret = __prepare_wifi_settings(tethering, &set);
                if (ret != TETHERING_ERROR_NONE) {
                        ERR("softap settings initialization failed\n");
+                       g_dbus_proxy_set_default_timeout(proxy, DBUS_TIMEOUT_USE_DEFAULT);
                        return TETHERING_ERROR_OPERATION_FAILED;
                }
 
@@ -1725,7 +1609,8 @@ API int tethering_enable(tethering_h tethering, tethering_type_e type)
                g_dbus_connection_signal_unsubscribe(connection,
                                sigs[E_SIGNAL_USB_TETHER_ON].sig_id);
 
-               g_dbus_proxy_call(proxy, "enable_usb_tethering", NULL,
+               g_dbus_proxy_call(proxy, "enable_usb_tethering",
+                               g_variant_new("(i)", TETHERING_ADDRESS_FAMILY_IPV4),
                                G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
                                (GAsyncReadyCallback) __usb_enabled_cfm_cb, (gpointer)tethering);
 
@@ -1734,7 +1619,9 @@ API int tethering_enable(tethering_h tethering, tethering_type_e type)
                                sigs[E_SIGNAL_WIFI_TETHER_ON].sig_id);
 
                g_dbus_proxy_call(proxy, "enable_wifi_tethering",
-                               g_variant_new("(ssii)", set.ssid, set.key, set.visibility, set.sec_type),
+                               g_variant_new("(sssiiiiii)", set.ssid, set.key, set.mode,
+                               set.channel, set.visibility, set.mac_filter, set.max_connected,
+                               set.sec_type, TETHERING_ADDRESS_FAMILY_IPV4),
                                G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
                                (GAsyncReadyCallback) __wifi_enabled_cfm_cb, (gpointer)tethering);
 
@@ -1742,7 +1629,8 @@ API int tethering_enable(tethering_h tethering, tethering_type_e type)
                g_dbus_connection_signal_unsubscribe(connection,
                                sigs[E_SIGNAL_BT_TETHER_ON].sig_id);
 
-               g_dbus_proxy_call(proxy, "enable_usb_tethering", NULL,
+               g_dbus_proxy_call(proxy, "enable_bt_tethering",
+                               g_variant_new("(i)", TETHERING_ADDRESS_FAMILY_IPV4),
                                G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
                                (GAsyncReadyCallback) __bt_enabled_cfm_cb, (gpointer)tethering);
                break;
@@ -1757,31 +1645,17 @@ API int tethering_enable(tethering_h tethering, tethering_type_e type)
        }
 
        g_dbus_proxy_set_default_timeout(proxy, DBUS_TIMEOUT_USE_DEFAULT);
-       DBG("-\n");
+       INFO("-\n");
        return TETHERING_ERROR_NONE;
 }
 
-/**
- * @internal
- * @brief Disables the tethering, asynchronously.
- * @since_tizen 2.3
- * @privlevel platform
- * @privilege http://tizen.org/privilege/tethering.admin
- * @param[in]  tethering  The handle of tethering
- * @param[in]  type  The type of tethering
- * @return 0 on success, otherwise negative error value.
- * @retval  #TETHERING_ERROR_NONE  Successful
- * @retval  #TETHERING_ERROR_INVALID_PARAMETER  Invalid parameter
- * @post tethering_disabled_cb() will be invoked.
- * @see  tethering_is_enabled()
- * @see  tethering_enable()
- */
-API int tethering_disable(tethering_h tethering, tethering_type_e type)
+API int tethering_ipv6_enable(tethering_h tethering, tethering_type_e type)
 {
        DBG("+ type :  %d\n", type);
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -1789,67 +1663,118 @@ API int tethering_disable(tethering_h tethering, tethering_type_e type)
        __tethering_h *th = (__tethering_h *)tethering;
        GDBusProxy *proxy = th->client_bus_proxy;
        GDBusConnection *connection = th->client_bus;
+       int ret = 0;
 
-       switch (type) {
-       case TETHERING_TYPE_USB:
-               g_dbus_connection_signal_unsubscribe(connection,
-                               sigs[E_SIGNAL_USB_TETHER_OFF].sig_id);
-
-               g_dbus_proxy_call(proxy, "disable_usb_tethering",
-                               NULL, G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
-                               (GAsyncReadyCallback) __disabled_cfm_cb, (gpointer)tethering);
-
-               break;
+       g_dbus_proxy_set_default_timeout(proxy, DBUS_TIMEOUT_INFINITE);
 
-       case TETHERING_TYPE_WIFI:
+       if (__check_precondition(type) == FALSE) {
+               DBG("-\n");
+               g_dbus_proxy_set_default_timeout(proxy, DBUS_TIMEOUT_USE_DEFAULT);
+               return TETHERING_ERROR_OPERATION_FAILED;
+       }
 
+       switch (type) {
+       case TETHERING_TYPE_USB: {
                g_dbus_connection_signal_unsubscribe(connection,
-                               sigs[E_SIGNAL_WIFI_TETHER_OFF].sig_id);
+                               sigs[E_SIGNAL_USB_TETHER_ON].sig_id);
 
-               g_dbus_proxy_call(proxy, "disable_wifi_tethering",
-                               NULL, G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
-                               (GAsyncReadyCallback) __disabled_cfm_cb, (gpointer)tethering);
+               g_dbus_proxy_call(proxy, "enable_usb_tethering",
+                               g_variant_new("(i)", TETHERING_ADDRESS_FAMILY_IPV6),
+                               G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
+                               (GAsyncReadyCallback) __usb_enabled_cfm_cb, (gpointer)tethering);
                break;
+       }
 
-       case TETHERING_TYPE_BT:
+       case TETHERING_TYPE_WIFI: {
+               _softap_settings_t set = {"", "", "", 0, false, false, 0, 0};
 
+               ret = __prepare_wifi_settings(tethering, &set);
+               if (ret != TETHERING_ERROR_NONE) {
+                       ERR("softap settings initialization failed\n");
+                       DBG("-\n");
+                       g_dbus_proxy_set_default_timeout(proxy, DBUS_TIMEOUT_USE_DEFAULT);
+                       return TETHERING_ERROR_OPERATION_FAILED;
+               }
                g_dbus_connection_signal_unsubscribe(connection,
-                               sigs[E_SIGNAL_BT_TETHER_OFF].sig_id);
-
-               g_dbus_proxy_call(proxy, "disable_bt_tethering",
-                               NULL, G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
-                               (GAsyncReadyCallback) __disabled_cfm_cb, (gpointer)tethering);
+                               sigs[E_SIGNAL_WIFI_TETHER_ON].sig_id);
+                       g_dbus_proxy_call(proxy, "enable_wifi_tethering",
+                               g_variant_new("(sssiiiiii)", set.ssid, set.key, set.mode, set.channel, set.visibility, set.mac_filter, set.max_connected, set.sec_type, TETHERING_ADDRESS_FAMILY_IPV6),
+                               G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
+                               (GAsyncReadyCallback) __wifi_enabled_cfm_cb, (gpointer)tethering);
                break;
+        }
 
-       case TETHERING_TYPE_RESERVED:
+       case TETHERING_TYPE_BT: {
                g_dbus_connection_signal_unsubscribe(connection,
-                               sigs[E_SIGNAL_WIFI_AP_OFF].sig_id);
+                               sigs[E_SIGNAL_BT_TETHER_ON].sig_id);
 
-               g_dbus_proxy_call(proxy, "disable_wifi_ap",
-                               NULL, G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
-                               (GAsyncReadyCallback) __disabled_cfm_cb, (gpointer)tethering);
-               break;
+               g_dbus_proxy_call(proxy, "enable_bt_tethering",
+                               g_variant_new("(i)", TETHERING_ADDRESS_FAMILY_IPV6),
+                               G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
+                               (GAsyncReadyCallback) __bt_enabled_cfm_cb, (gpointer)tethering);
 
-       case TETHERING_TYPE_ALL:
-               g_dbus_connection_signal_unsubscribe(connection,
-                               sigs[E_SIGNAL_USB_TETHER_OFF].sig_id);
+               break;
+       }
 
-               g_dbus_proxy_call(proxy, "disable_usb_tethering",
-                               NULL, G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
-                               (GAsyncReadyCallback) __disabled_cfm_cb, (gpointer)tethering);
+       default: {
+               ERR("Unknown type : %d\n", type);
 
-               g_dbus_connection_signal_unsubscribe(connection,
-                               sigs[E_SIGNAL_WIFI_TETHER_OFF].sig_id);
+               g_dbus_proxy_set_default_timeout(proxy, DBUS_TIMEOUT_USE_DEFAULT);
 
-               g_dbus_proxy_call(proxy, "disable_wifi_tethering",
-                               NULL, G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
+               DBG("-\n");
+               return TETHERING_ERROR_INVALID_PARAMETER;
+       }
+       }
+
+       g_dbus_proxy_set_default_timeout(proxy, DBUS_TIMEOUT_USE_DEFAULT);
+       DBG("-\n");
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_ipv6_disable(tethering_h tethering, tethering_type_e type)
+{
+       DBG("+ type :  %d\n", type);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+
+       __tethering_h *th = (__tethering_h *)tethering;
+       GDBusProxy *proxy = th->client_bus_proxy;
+       GDBusConnection *connection = th->client_bus;
+
+       switch (type) {
+       case TETHERING_TYPE_USB:
+               g_dbus_connection_signal_unsubscribe(connection,
+                               sigs[E_SIGNAL_USB_TETHER_OFF].sig_id);
+
+               g_dbus_proxy_call(proxy, "disable_usb_tethering",
+                               g_variant_new("(i)", TETHERING_ADDRESS_FAMILY_IPV6),
+                               G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
                                (GAsyncReadyCallback) __disabled_cfm_cb, (gpointer)tethering);
+               break;
+
+       case TETHERING_TYPE_WIFI:
+               DBG("Disable wifi tethering..");
+               g_dbus_connection_signal_unsubscribe(connection,
+                               sigs[E_SIGNAL_WIFI_TETHER_OFF].sig_id);
+
+               g_dbus_proxy_call(proxy, "disable_wifi_tethering",
+                               g_variant_new("(i)", TETHERING_ADDRESS_FAMILY_IPV6),
+                               G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
+                               (GAsyncReadyCallback) __disabled_cfm_cb, (gpointer)tethering);
+               break;
 
+       case TETHERING_TYPE_BT:
                g_dbus_connection_signal_unsubscribe(connection,
                                sigs[E_SIGNAL_BT_TETHER_OFF].sig_id);
 
                g_dbus_proxy_call(proxy, "disable_bt_tethering",
-                               NULL, G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
+                               g_variant_new("(i)", TETHERING_ADDRESS_FAMILY_IPV6),
+                               G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
                                (GAsyncReadyCallback) __disabled_cfm_cb, (gpointer)tethering);
                break;
 
@@ -1861,6 +1786,110 @@ API int tethering_disable(tethering_h tethering, tethering_type_e type)
        DBG("-\n");
        return TETHERING_ERROR_NONE;
 }
+/**
+ * @internal
+ * @brief Disables the tethering, asynchronously.
+ * @since_tizen 2.3
+ * @privlevel platform
+ * @privilege http://tizen.org/privilege/tethering.admin
+ * @param[in]  tethering  The handle of tethering
+ * @param[in]  type  The type of tethering
+ * @return 0 on success, otherwise negative error value.
+ * @retval  #TETHERING_ERROR_NONE  Successful
+ * @retval  #TETHERING_ERROR_INVALID_PARAMETER  Invalid parameter
+ * @post tethering_disabled_cb() will be invoked.
+ * @see  tethering_is_enabled()
+ * @see  tethering_enable()
+ */
+API int tethering_disable(tethering_h tethering, tethering_type_e type)
+{
+       INFO("+ type :  %d\n", type);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+
+       __tethering_h *th = (__tethering_h *)tethering;
+       GDBusProxy *proxy = th->client_bus_proxy;
+       GDBusConnection *connection = th->client_bus;
+
+       switch (type) {
+       case TETHERING_TYPE_USB:
+               g_dbus_connection_signal_unsubscribe(connection,
+                               sigs[E_SIGNAL_USB_TETHER_OFF].sig_id);
+
+               g_dbus_proxy_call(proxy, "disable_usb_tethering",
+                               g_variant_new("(i)", TETHERING_ADDRESS_FAMILY_IPV4),
+                               G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
+                               (GAsyncReadyCallback) __disabled_cfm_cb, (gpointer)tethering);
+
+               break;
+
+       case TETHERING_TYPE_WIFI:
+
+               g_dbus_connection_signal_unsubscribe(connection,
+                               sigs[E_SIGNAL_WIFI_TETHER_OFF].sig_id);
+
+               g_dbus_proxy_call(proxy, "disable_wifi_tethering",
+                               g_variant_new("(i)", TETHERING_ADDRESS_FAMILY_IPV4),
+                               G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
+                               (GAsyncReadyCallback) __disabled_cfm_cb, (gpointer)tethering);
+               break;
+
+       case TETHERING_TYPE_BT:
+
+               g_dbus_connection_signal_unsubscribe(connection,
+                               sigs[E_SIGNAL_BT_TETHER_OFF].sig_id);
+
+               g_dbus_proxy_call(proxy, "disable_bt_tethering",
+                               g_variant_new("(i)", TETHERING_ADDRESS_FAMILY_IPV4),
+                               G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
+                               (GAsyncReadyCallback) __disabled_cfm_cb, (gpointer)tethering);
+               break;
+
+       case TETHERING_TYPE_P2P:
+               g_dbus_proxy_call(proxy, "disable_p2p_tethering",
+                               NULL, G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
+                               (GAsyncReadyCallback) __disabled_cfm_cb, (gpointer)tethering);
+               break;
+
+       case TETHERING_TYPE_ALL:
+               g_dbus_connection_signal_unsubscribe(connection,
+                               sigs[E_SIGNAL_USB_TETHER_OFF].sig_id);
+
+               g_dbus_proxy_call(proxy, "disable_usb_tethering",
+                               g_variant_new("(i)", TETHERING_ADDRESS_FAMILY_IPV4),
+                               G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
+                               (GAsyncReadyCallback) __disabled_cfm_cb, (gpointer)tethering);
+
+               g_dbus_connection_signal_unsubscribe(connection,
+                               sigs[E_SIGNAL_WIFI_TETHER_OFF].sig_id);
+
+               g_dbus_proxy_call(proxy, "disable_wifi_tethering",
+                               g_variant_new("(i)", TETHERING_ADDRESS_FAMILY_IPV4),
+                               G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
+                               (GAsyncReadyCallback) __disabled_cfm_cb, (gpointer)tethering);
+
+               g_dbus_connection_signal_unsubscribe(connection,
+                               sigs[E_SIGNAL_BT_TETHER_OFF].sig_id);
+
+               g_dbus_proxy_call(proxy, "disable_bt_tethering",
+                               g_variant_new("(i)", TETHERING_ADDRESS_FAMILY_IPV4),
+                               G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
+                               (GAsyncReadyCallback) __disabled_cfm_cb, (gpointer)tethering);
+               break;
+
+       default:
+               ERR("Not supported tethering type [%d]\n", type);
+               DBG("-\n");
+               return TETHERING_ERROR_INVALID_PARAMETER;
+       }
+       INFO("-\n");
+       return TETHERING_ERROR_NONE;
+}
 
 /**
  * @internal
@@ -1874,6 +1903,7 @@ API int tethering_disable(tethering_h tethering, tethering_type_e type)
  */
 API bool tethering_is_enabled(tethering_h tethering, tethering_type_e type)
 {
+       INFO("+ type :  %d\n", type);
        int is_on = 0;
        int vconf_type = VCONFKEY_MOBILE_HOTSPOT_MODE_NONE;
 
@@ -1895,14 +1925,15 @@ API bool tethering_is_enabled(tethering_h tethering, tethering_type_e type)
                vconf_type = VCONFKEY_MOBILE_HOTSPOT_MODE_BT;
                break;
 
-       case TETHERING_TYPE_RESERVED:
-               vconf_type = VCONFKEY_MOBILE_HOTSPOT_MODE_WIFI_AP;
+       case TETHERING_TYPE_P2P:
+               vconf_type = VCONFKEY_MOBILE_HOTSPOT_MODE_P2P;
                break;
 
        default:
                ERR("Not supported type : %d\n", type);
                break;
        }
+       INFO("- enabled:  %s\n", (is_on & vconf_type) ? "true" : "false");
        return is_on & vconf_type ? true : false;
 }
 
@@ -1928,9 +1959,10 @@ API bool tethering_is_enabled(tethering_h tethering, tethering_type_e type)
  */
 API int tethering_get_mac_address(tethering_h tethering, tethering_type_e type, char **mac_address)
 {
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering_is_enabled(tethering, type) == false,
                        TETHERING_ERROR_NOT_ENABLED,
@@ -1996,9 +2028,10 @@ API int tethering_get_mac_address(tethering_h tethering, tethering_type_e type,
  */
 API int tethering_get_network_interface_name(tethering_h tethering, tethering_type_e type, char **interface_name)
 {
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering_is_enabled(tethering, type) == false,
                        TETHERING_ERROR_NOT_ENABLED,
@@ -2043,10 +2076,10 @@ API int tethering_get_network_interface_name(tethering_h tethering, tethering_ty
  */
 API int tethering_get_ip_address(tethering_h tethering, tethering_type_e type, tethering_address_family_e address_family, char **ip_address)
 {
-
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering_is_enabled(tethering, type) == false,
                        TETHERING_ERROR_NOT_ENABLED,
@@ -2105,10 +2138,10 @@ API int tethering_get_ip_address(tethering_h tethering, tethering_type_e type, t
  */
 API int tethering_get_gateway_address(tethering_h tethering, tethering_type_e type, tethering_address_family_e address_family, char **gateway_address)
 {
-
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering_is_enabled(tethering, type) == false,
                        TETHERING_ERROR_NOT_ENABLED,
@@ -2152,9 +2185,10 @@ API int tethering_get_gateway_address(tethering_h tethering, tethering_type_e ty
  */
 API int tethering_get_subnet_mask(tethering_h tethering, tethering_type_e type, tethering_address_family_e address_family, char **subnet_mask)
 {
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering_is_enabled(tethering, type) == false,
                        TETHERING_ERROR_NOT_ENABLED,
@@ -2233,10 +2267,10 @@ API int tethering_get_data_usage(tethering_h tethering, tethering_data_usage_cb
  */
 API int tethering_foreach_connected_clients(tethering_h tethering, tethering_type_e type, tethering_connected_client_cb callback, void *user_data)
 {
-       DBG("+\n");
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2264,8 +2298,13 @@ API int tethering_foreach_connected_clients(tethering_h tethering, tethering_typ
        result = g_dbus_proxy_call_sync(th->client_bus_proxy, "get_station_info",
                        NULL, G_DBUS_CALL_FLAGS_NONE,
                        -1, th->cancellable, &error);
-       if (error)
+
+       if (error) {
                ERR("g_dbus_proxy_call_sync is failed and error is %s\n", error->message);
+               g_error_free(error);
+               return TETHERING_ERROR_OPERATION_FAILED;
+       }
+
        g_variant_get(result, "(a(a{sv}))", &outer_iter);
        while (g_variant_iter_loop(outer_iter, "(@a{sv})", &station)) {
                g_variant_get(station, "a{sv}", &inner_iter);
@@ -2278,8 +2317,8 @@ API int tethering_foreach_connected_clients(tethering_h tethering, tethering_typ
                                        client.interface = TETHERING_TYPE_WIFI;
                                else if (interface == MOBILE_AP_TYPE_BT)
                                        client.interface = TETHERING_TYPE_BT;
-                               else if (interface == MOBILE_AP_TYPE_WIFI_AP)
-                                       client.interface = TETHERING_TYPE_RESERVED;
+                               else if (interface == MOBILE_AP_TYPE_P2P)
+                                       client.interface = TETHERING_TYPE_P2P;
                                else {
                                        ERR("Invalid interface\n");
                                        g_free(key);
@@ -2287,8 +2326,7 @@ API int tethering_foreach_connected_clients(tethering_h tethering, tethering_typ
                                        break;
                                }
                                DBG("interface is %d\n", client.interface);
-                               if (client.interface != type && (TETHERING_TYPE_ALL != type &&
-                                                       client.interface != TETHERING_TYPE_RESERVED)) {
+                               if (client.interface != type && (TETHERING_TYPE_ALL != type)) {
                                        g_free(key);
                                        g_variant_unref(value);
                                        break;
@@ -2317,20 +2355,25 @@ API int tethering_foreach_connected_clients(tethering_h tethering, tethering_typ
                g_free(hostname);
                g_free(ip);
                g_free(mac);
+
+               hostname = NULL;
+               ip = NULL;
+               mac = NULL;
+
                g_variant_iter_free(inner_iter);
                if (callback((tethering_client_h)&client, user_data) == false) {
                        DBG("iteration is stopped\n");
                        g_free(client.hostname);
+                       client.hostname = NULL;
                        g_variant_iter_free(outer_iter);
-                       g_variant_unref(station);
                        g_variant_unref(result);
                        DBG("-\n");
                        return TETHERING_ERROR_OPERATION_FAILED;
                }
                g_free(client.hostname);
+               client.hostname = NULL;
        }
        g_variant_iter_free(outer_iter);
-       g_variant_unref(station);
        g_variant_unref(result);
        DBG("-\n");
        return TETHERING_ERROR_NONE;
@@ -2352,9 +2395,11 @@ API int tethering_foreach_connected_clients(tethering_h tethering, tethering_typ
  */
 API int tethering_set_enabled_cb(tethering_h tethering, tethering_type_e type, tethering_enabled_cb callback, void *user_data)
 {
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       INFO("+ type: %d\n", type);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2372,11 +2417,12 @@ API int tethering_set_enabled_cb(tethering_h tethering, tethering_type_e type, t
        }
 
        /* TETHERING_TYPE_ALL */
-       for (ti = TETHERING_TYPE_USB; ti <= TETHERING_TYPE_BT; ti++) {
+       for (ti = TETHERING_TYPE_USB; ti <= TETHERING_TYPE_P2P; ti++) {
                th->enabled_cb[ti] = callback;
                th->enabled_user_data[ti] = user_data;
        }
 
+       INFO("-\n");
        return TETHERING_ERROR_NONE;
 }
 
@@ -2394,9 +2440,10 @@ API int tethering_set_enabled_cb(tethering_h tethering, tethering_type_e type, t
  */
 API int tethering_unset_enabled_cb(tethering_h tethering, tethering_type_e type)
 {
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2412,7 +2459,7 @@ API int tethering_unset_enabled_cb(tethering_h tethering, tethering_type_e type)
        }
 
        /* TETHERING_TYPE_ALL */
-       for (ti = TETHERING_TYPE_USB; ti <= TETHERING_TYPE_BT; ti++) {
+       for (ti = TETHERING_TYPE_USB; ti <= TETHERING_TYPE_P2P; ti++) {
                th->enabled_cb[ti] = NULL;
                th->enabled_user_data[ti] = NULL;
        }
@@ -2436,9 +2483,11 @@ API int tethering_unset_enabled_cb(tethering_h tethering, tethering_type_e type)
  */
 API int tethering_set_disabled_cb(tethering_h tethering, tethering_type_e type, tethering_disabled_cb callback, void *user_data)
 {
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       INFO("+ type: %d\n", type);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2456,11 +2505,11 @@ API int tethering_set_disabled_cb(tethering_h tethering, tethering_type_e type,
        }
 
        /* TETHERING_TYPE_ALL */
-       for (ti = TETHERING_TYPE_USB; ti <= TETHERING_TYPE_BT; ti++) {
+       for (ti = TETHERING_TYPE_USB; ti <= TETHERING_TYPE_P2P; ti++) {
                th->disabled_cb[ti] = callback;
                th->disabled_user_data[ti] = user_data;
        }
-
+       INFO("-\n");
        return TETHERING_ERROR_NONE;
 }
 
@@ -2478,9 +2527,10 @@ API int tethering_set_disabled_cb(tethering_h tethering, tethering_type_e type,
  */
 API int tethering_unset_disabled_cb(tethering_h tethering, tethering_type_e type)
 {
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2496,7 +2546,7 @@ API int tethering_unset_disabled_cb(tethering_h tethering, tethering_type_e type
        }
 
        /* TETHERING_TYPE_ALL */
-       for (ti = TETHERING_TYPE_USB; ti <= TETHERING_TYPE_BT; ti++) {
+       for (ti = TETHERING_TYPE_USB; ti <= TETHERING_TYPE_P2P; ti++) {
                th->disabled_cb[ti] = NULL;
                th->disabled_user_data[ti] = NULL;
        }
@@ -2520,9 +2570,11 @@ API int tethering_unset_disabled_cb(tethering_h tethering, tethering_type_e type
  */
 API int tethering_set_connection_state_changed_cb(tethering_h tethering, tethering_type_e type, tethering_connection_state_changed_cb callback, void *user_data)
 {
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       INFO("+ type: %d\n", type);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2540,11 +2592,11 @@ API int tethering_set_connection_state_changed_cb(tethering_h tethering, tetheri
        }
 
        /* TETHERING_TYPE_ALL */
-       for (ti = TETHERING_TYPE_USB; ti <= TETHERING_TYPE_BT; ti++) {
+       for (ti = TETHERING_TYPE_USB; ti <= TETHERING_TYPE_P2P; ti++) {
                th->changed_cb[ti] = callback;
                th->changed_user_data[ti] = user_data;
        }
-
+       INFO("-\n");
        return TETHERING_ERROR_NONE;
 }
 
@@ -2562,9 +2614,10 @@ API int tethering_set_connection_state_changed_cb(tethering_h tethering, tetheri
  */
 API int tethering_unset_connection_state_changed_cb(tethering_h tethering, tethering_type_e type)
 {
-       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_USB_FEATURE);
-       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
-       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_BT_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       if (type == TETHERING_TYPE_USB) CHECK_FEATURE_SUPPORTED(TETHERING_USB_FEATURE);
+       else if (type == TETHERING_TYPE_WIFI) CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+       else if (type == TETHERING_TYPE_BT) CHECK_FEATURE_SUPPORTED(TETHERING_BT_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2580,7 +2633,7 @@ API int tethering_unset_connection_state_changed_cb(tethering_h tethering, tethe
        }
 
        /* TETHERING_TYPE_ALL */
-       for (ti = TETHERING_TYPE_USB; ti <= TETHERING_TYPE_BT; ti++) {
+       for (ti = TETHERING_TYPE_USB; ti <= TETHERING_TYPE_P2P; ti++) {
                th->changed_cb[ti] = NULL;
                th->changed_user_data[ti] = NULL;
        }
@@ -2603,7 +2656,8 @@ API int tethering_unset_connection_state_changed_cb(tethering_h tethering, tethe
  */
 API int tethering_wifi_set_security_type_changed_cb(tethering_h tethering, tethering_wifi_security_type_changed_cb callback, void *user_data)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2633,7 +2687,8 @@ API int tethering_wifi_set_security_type_changed_cb(tethering_h tethering, tethe
  */
 API int tethering_wifi_unset_security_type_changed_cb(tethering_h tethering)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2661,7 +2716,8 @@ API int tethering_wifi_unset_security_type_changed_cb(tethering_h tethering)
  */
 API int tethering_wifi_set_ssid_visibility_changed_cb(tethering_h tethering, tethering_wifi_ssid_visibility_changed_cb callback, void *user_data)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2689,7 +2745,8 @@ API int tethering_wifi_set_ssid_visibility_changed_cb(tethering_h tethering, tet
  */
 API int tethering_wifi_unset_ssid_visibility_changed_cb(tethering_h tethering)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2717,7 +2774,8 @@ API int tethering_wifi_unset_ssid_visibility_changed_cb(tethering_h tethering)
  */
 API int tethering_wifi_set_passphrase_changed_cb(tethering_h tethering, tethering_wifi_passphrase_changed_cb callback, void *user_data)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2745,7 +2803,8 @@ API int tethering_wifi_set_passphrase_changed_cb(tethering_h tethering, tetherin
  */
 API int tethering_wifi_unset_passphrase_changed_cb(tethering_h tethering)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2775,22 +2834,35 @@ API int tethering_wifi_unset_passphrase_changed_cb(tethering_h tethering)
  */
 API int tethering_wifi_set_security_type(tethering_h tethering, tethering_wifi_security_type_e type)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
 
        __tethering_h *th = (__tethering_h *)tethering;
        tethering_error_e ret = TETHERING_ERROR_NONE;
+       char *sec_str = NULL;
 
        ret = __set_security_type(type);
        if (ret == TETHERING_ERROR_NONE) {
+               switch (type) {
+               case TETHERING_WIFI_SECURITY_TYPE_NONE:
+                       sec_str = TETHERING_WIFI_SECURITY_TYPE_OPEN_STR;
+                       break;
+               case TETHERING_WIFI_SECURITY_TYPE_WPA2_PSK:
+                       sec_str = TETHERING_WIFI_SECURITY_TYPE_WPA2_PSK_STR;
+                       break;
+               case TETHERING_WIFI_SECURITY_TYPE_WPS:
+                       sec_str = TETHERING_WIFI_SECURITY_TYPE_WPS_STR;
+                       break;
+               case TETHERING_WIFI_SECURITY_TYPE_SAE:
+                       sec_str = TETHERING_WIFI_SECURITY_TYPE_SAE_STR;
+                       break;
+               }
 
                __send_dbus_signal(th->client_bus,
-                               SIGNAL_NAME_SECURITY_TYPE_CHANGED,
-                               type == TETHERING_WIFI_SECURITY_TYPE_NONE ?
-                               TETHERING_WIFI_SECURITY_TYPE_OPEN_STR :
-                               TETHERING_WIFI_SECURITY_TYPE_WPA2_PSK_STR);
+                               SIGNAL_NAME_SECURITY_TYPE_CHANGED, sec_str);
        }
        return ret;
 }
@@ -2811,8 +2883,11 @@ API int tethering_wifi_set_security_type(tethering_h tethering, tethering_wifi_s
  */
 API int tethering_wifi_get_security_type(tethering_h tethering, tethering_wifi_security_type_e *type)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
        _retvm_if(type == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(type) is NULL\n");
 
@@ -2836,7 +2911,8 @@ API int tethering_wifi_get_security_type(tethering_h tethering, tethering_wifi_s
  */
 API int tethering_wifi_set_ssid(tethering_h tethering, const char *ssid)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2881,7 +2957,8 @@ API int tethering_wifi_set_ssid(tethering_h tethering, const char *ssid)
  */
 API int tethering_wifi_get_ssid(tethering_h tethering, char **ssid)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2937,7 +3014,8 @@ API int tethering_wifi_get_ssid(tethering_h tethering, char **ssid)
  */
 API int tethering_wifi_set_ssid_visibility(tethering_h tethering, bool visible)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -2947,7 +3025,6 @@ API int tethering_wifi_set_ssid_visibility(tethering_h tethering, bool visible)
 
        ret = __set_visible(visible);
        if (ret == TETHERING_ERROR_NONE) {
-
                __send_dbus_signal(th->client_bus,
                                SIGNAL_NAME_SSID_VISIBILITY_CHANGED,
                                visible ? SIGNAL_MSG_SSID_VISIBLE :
@@ -2973,8 +3050,11 @@ API int tethering_wifi_set_ssid_visibility(tethering_h tethering, bool visible)
  */
 API int tethering_wifi_get_ssid_visibility(tethering_h tethering, bool *visible)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
        _retvm_if(visible == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(visible) is NULL\n");
 
@@ -2998,7 +3078,8 @@ API int tethering_wifi_get_ssid_visibility(tethering_h tethering, bool *visible)
  */
 API int tethering_wifi_set_passphrase(tethering_h tethering, const char *passphrase)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -3065,7 +3146,8 @@ API int tethering_wifi_set_passphrase(tethering_h tethering, const char *passphr
  */
 API int tethering_wifi_get_passphrase(tethering_h tethering, char **passphrase)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -3104,7 +3186,9 @@ API int tethering_wifi_get_passphrase(tethering_h tethering, char **passphrase)
 
 API int tethering_wifi_set_channel(tethering_h tethering, int channel)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
 
@@ -3116,7 +3200,9 @@ API int tethering_wifi_set_channel(tethering_h tethering, int channel)
 
 API int tethering_wifi_get_channel(tethering_h tethering, int *channel)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
 
@@ -3131,7 +3217,9 @@ API int tethering_wifi_get_channel(tethering_h tethering, int *channel)
 
 API int tethering_wifi_set_mode(tethering_h tethering, tethering_wifi_mode_type_e type)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
 
@@ -3144,7 +3232,9 @@ API int tethering_wifi_set_mode(tethering_h tethering, tethering_wifi_mode_type_
 
 API int tethering_wifi_get_mode(tethering_h tethering, tethering_wifi_mode_type_e *type)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
        _retvm_if(type == NULL, TETHERING_ERROR_INVALID_PARAMETER,
@@ -3175,7 +3265,8 @@ API int tethering_wifi_get_mode(tethering_h tethering, tethering_wifi_mode_type_
 API int tethering_wifi_reload_settings(tethering_h tethering, tethering_wifi_settings_reloaded_cb callback, void *user_data)
 
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -3204,7 +3295,7 @@ API int tethering_wifi_reload_settings(tethering_h tethering, tethering_wifi_set
        th->settings_reloaded_user_data = user_data;
 
        g_dbus_proxy_call(proxy, "reload_wifi_settings",
-                       g_variant_new("(sssiiii)", set.ssid, set.key, set.mode, set.channel, set.visibility, set.mac_filter, set.sec_type),
+                       g_variant_new("(sssiiiii)", set.ssid, set.key, set.mode, set.channel, set.visibility, set.mac_filter, set.max_connected, set.sec_type),
                        G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
                        (GAsyncReadyCallback) __settings_reloaded_cb, (gpointer)tethering);
 
@@ -3213,7 +3304,8 @@ API int tethering_wifi_reload_settings(tethering_h tethering, tethering_wifi_set
 
 API int tethering_wifi_set_mac_filter(tethering_h tethering, bool mac_filter)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -3226,8 +3318,11 @@ API int tethering_wifi_set_mac_filter(tethering_h tethering, bool mac_filter)
 
 API int tethering_wifi_get_mac_filter(tethering_h tethering, bool *mac_filter)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(mac_filter) is NULL\n");
        _retvm_if(mac_filter == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(mac_filter) is NULL\n");
 
@@ -3242,6 +3337,7 @@ static int __add_mac_to_file(const char *filepath, const char *mac)
        FILE *fp = NULL;
        char line[MAX_BUF_SIZE] = "\0";
        bool mac_exist = false;
+       char *p_mac = NULL;
 
        fp = fopen(filepath, "a+");
        if (!fp) {
@@ -3257,9 +3353,24 @@ static int __add_mac_to_file(const char *filepath, const char *mac)
                }
        }
 
-       if (!mac_exist)
+       if (!mac_exist) {
+               p_mac = strdup(mac);
+               if (p_mac == NULL) {
+                       ERR("strdup failed\n");
+                       fclose(fp);
+                       return TETHERING_ERROR_OUT_OF_MEMORY;
+               }
+
                fprintf(fp, "%s\n", mac);
 
+               if ((strcmp(filepath, ALLOWED_LIST) == 0))
+                       allowed_list = g_slist_append(allowed_list, p_mac);
+               else if ((strcmp(filepath, BLOCKED_LIST) == 0))
+                       blocked_list = g_slist_append(blocked_list, p_mac);
+               else
+                       free(p_mac);
+       }
+
        fclose(fp);
 
        return TETHERING_ERROR_NONE;
@@ -3285,26 +3396,51 @@ static int __remove_mac_from_file(const char *filepath, const char *mac)
        }
 
        while (fgets(line, MAX_BUF_SIZE, fp) != NULL) {
-               if (strncmp(mac, line, 17) == 0)
+               if (strncmp(mac, line, 17) == 0) {
                        DBG("MAC %s found in the list\n", mac);
-               else
+
+                       if ((strcmp(filepath, ALLOWED_LIST) == 0)) {
+                               GSList *list = NULL;
+                               for (list = allowed_list; list != NULL; list = list->next) {
+                                       char *p_mac = (char *)list->data;
+                                       if (strncmp(mac, p_mac, strlen(mac)) == 0)
+                                               allowed_list = g_slist_remove(allowed_list, p_mac);
+                               }
+                       } else if ((strcmp(filepath, BLOCKED_LIST) == 0)) {
+                               GSList *list = NULL;
+                               for (list = blocked_list; list != NULL; list = list->next) {
+                                       char *p_mac = (char *)list->data;
+                                       if (strncmp(mac, p_mac, strlen(mac)) == 0)
+                                               blocked_list = g_slist_remove(blocked_list, p_mac);
+                               }
+                       }
+               } else {
                        fprintf(fp1, "%s", line);
+               }
        }
 
        fclose(fp);
        fclose(fp1);
 
-       if ((strcmp(filepath, ALLOWED_LIST) == 0))
-               rename(TEMP_LIST, ALLOWED_LIST);
-       else if ((strcmp(filepath, BLOCKED_LIST) == 0))
-               rename(TEMP_LIST, BLOCKED_LIST);
+       if ((strcmp(filepath, ALLOWED_LIST) == 0)) {
+               if (rename(TEMP_LIST, ALLOWED_LIST) != 0) {
+                       ERR("rename is failed (%s -> %s)", TEMP_LIST, ALLOWED_LIST);
+                       return TETHERING_ERROR_OPERATION_FAILED;
+               }
+       } else if ((strcmp(filepath, BLOCKED_LIST) == 0)) {
+               if (rename(TEMP_LIST, BLOCKED_LIST) != 0) {
+                       ERR("rename is failed (%s -> %s)", TEMP_LIST, BLOCKED_LIST);
+                       return TETHERING_ERROR_OPERATION_FAILED;
+               }
+       }
 
        return TETHERING_ERROR_NONE;
 }
 
 API int tethering_wifi_add_allowed_mac_list(tethering_h tethering, const char *mac)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -3316,6 +3452,9 @@ API int tethering_wifi_add_allowed_mac_list(tethering_h tethering, const char *m
 
 API int tethering_wifi_remove_allowed_mac_list(tethering_h tethering, const char *mac)
 {
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
        _retvm_if(mac == NULL, TETHERING_ERROR_INVALID_PARAMETER,
@@ -3324,8 +3463,25 @@ API int tethering_wifi_remove_allowed_mac_list(tethering_h tethering, const char
        return __remove_mac_from_file(ALLOWED_LIST, mac);
 }
 
+API int tethering_wifi_get_allowed_mac_list(tethering_h tethering, void **allowed_mac_list)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(allowed_mac_list == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(allowed_mac_list) is NULL\n");
+
+       *allowed_mac_list = g_slist_copy(allowed_list);
+       return TETHERING_ERROR_NONE;
+}
+
 API int tethering_wifi_add_blocked_mac_list(tethering_h tethering, const char *mac)
 {
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
        _retvm_if(mac == NULL, TETHERING_ERROR_INVALID_PARAMETER,
@@ -3336,6 +3492,9 @@ API int tethering_wifi_add_blocked_mac_list(tethering_h tethering, const char *m
 
 API int tethering_wifi_remove_blocked_mac_list(tethering_h tethering, const char *mac)
 {
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
        _retvm_if(mac == NULL, TETHERING_ERROR_INVALID_PARAMETER,
@@ -3344,9 +3503,24 @@ API int tethering_wifi_remove_blocked_mac_list(tethering_h tethering, const char
        return __remove_mac_from_file(BLOCKED_LIST, mac);
 }
 
+API int tethering_wifi_get_blocked_mac_list(tethering_h tethering, void **blocked_mac_list)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(blocked_mac_list == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(blocked_mac_list) is NULL\n");
+
+       *blocked_mac_list = g_slist_copy(blocked_list);
+       return TETHERING_ERROR_NONE;
+}
+
 API int tethering_wifi_enable_dhcp(tethering_h tethering, bool enable)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -3389,7 +3563,8 @@ API int tethering_wifi_enable_dhcp(tethering_h tethering, bool enable)
 
 API int tethering_wifi_set_dhcp_range(tethering_h tethering, char *rangestart, char *rangestop)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
@@ -3433,7 +3608,9 @@ API int tethering_wifi_set_dhcp_range(tethering_h tethering, char *rangestart, c
 
 API int tethering_wifi_is_dhcp_enabled(tethering_h tethering, bool *dhcp_enabled)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
        _retvm_if(dhcp_enabled == NULL, TETHERING_ERROR_INVALID_PARAMETER,
@@ -3445,325 +3622,648 @@ API int tethering_wifi_is_dhcp_enabled(tethering_h tethering, bool *dhcp_enabled
        return TETHERING_ERROR_NONE;
 }
 
-/**
- * @internal
- * @brief Sets the security type of Wi-Fi AP.
- * @since_tizen 2.3
- * @privlevel platform
- * @privilege http://tizen.org/privilege/tethering.admin
- * @details If security type is not set, WPA2_PSK is used
- * @param[in]  tethering  The handle of tethering
- * @param[in]  type  The security type
- * @return 0 on success, otherwise negative error value.
- * @retval  #TETHERING_ERROR_NONE  Successful
- * @retval  #TETHERING_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval  #TETHERING_ERROR_OPERATION_FAILED  Operation failed
- * @see  tethering_wifi_ap_get_security_type()
- */
-API int tethering_wifi_ap_set_security_type(tethering_h tethering, tethering_wifi_security_type_e type)
+API int tethering_wifi_set_txpower(tethering_h tethering, unsigned int txpower)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
-       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
-               "parameter(tethering) is NULL\n");
+       GError *error = NULL;
 
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(tethering_is_enabled(tethering, TETHERING_TYPE_WIFI) == false,
+                       TETHERING_ERROR_NOT_ENABLED,
+                       "tethering type[%d] is not enabled\n", TETHERING_TYPE_WIFI);
        __tethering_h *th = (__tethering_h *)tethering;
-       th->sec_type = type;
+
+       g_dbus_proxy_call_sync(th->client_bus_proxy, "hostapd_set_txpower",
+                       g_variant_new("(u)", txpower),
+                       G_DBUS_CALL_FLAGS_NONE,
+                       -1, th->cancellable, &error);
+       if (error) {
+               ERR("g_dbus_proxy_call_sync is failed and error is %s\n", error->message);
+               g_clear_error(&error);
+               return TETHERING_ERROR_OPERATION_FAILED;
+       }
        return TETHERING_ERROR_NONE;
 }
 
-/**
- * @internal
- * @brief Gets the security type of Wi-Fi AP.
- * @since_tizen 2.3
- * @privlevel platform
- * @privilege http://tizen.org/privilege/tethering.admin
- * @details If security type is not set, WPA2_PSK is used
- * @param[in]  tethering  The handle of tethering
- * @param[out]  type  The security type
- * @return 0 on success, otherwise negative error value.
- * @retval  #TETHERING_ERROR_NONE  Successful
- * @retval  #TETHERING_ERROR_INVALID_PARAMETER  Invalid parameter
- * @see  tethering_wifi_ap_set_security_type()
- */
-API int tethering_wifi_ap_get_security_type(tethering_h tethering, tethering_wifi_security_type_e *type)
+API int tethering_wifi_get_txpower(tethering_h tethering, unsigned int *txpower)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
-       _retvm_if(type == NULL, TETHERING_ERROR_INVALID_PARAMETER,
-               "parameter(type) is NULL\n");
+       GError *error = NULL;
+       GVariant *result = NULL;
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(txpower == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(txpower) is NULL\n");
+       _retvm_if(tethering_is_enabled(tethering, TETHERING_TYPE_WIFI) == false,
+                       TETHERING_ERROR_NOT_ENABLED,
+                       "tethering type[%d] is not enabled\n", TETHERING_TYPE_WIFI);
 
        __tethering_h *th = (__tethering_h *)tethering;
 
-       *type = th->sec_type;
+       result = g_dbus_proxy_call_sync(th->client_bus_proxy, "hostapd_get_txpower",
+                       NULL,
+                       G_DBUS_CALL_FLAGS_NONE,
+                       -1, th->cancellable, &error);
+
+       if (result != NULL) {
+               g_variant_get(result, "(u)", txpower);
+               g_variant_unref(result);
+       } else {
+               if (error)
+                       ERR("g_dbus_proxy_call_sync is failed and error is %s\n", error->message);
+               g_clear_error(&error);
+               return TETHERING_ERROR_OPERATION_FAILED;
+       }
+       g_clear_error(&error);
        return TETHERING_ERROR_NONE;
 }
 
-/**
- * @internal
- * @brief Sets the SSID (service set identifier) for Wi-Fi AP. The SSID cannot exceed 32 bytes.
- * @since_tizen 2.3
- * @privlevel platform
- * @privilege http://tizen.org/privilege/tethering.admin
- * @details If SSID is not set, Device name is used as SSID
- * @param[in]  tethering  The handle of tethering
- * @param[in]  ssid  The SSID
- * @return 0 on success, otherwise negative error value.
- * @retval  #TETHERING_ERROR_NONE  Successful
- * @retval  #TETHERING_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval  #TETHERING_ERROR_OUT_OF_MEMORY  Out of memory
- */
-API int tethering_wifi_ap_set_ssid(tethering_h tethering, const char *ssid)
+API int tethering_wifi_set_mtu(tethering_h tethering, unsigned int mtu)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
-       _retvm_if(ssid == NULL, TETHERING_ERROR_INVALID_PARAMETER,
-                       "parameter(ssid) is NULL\n");
+
+       GVariant *parameters;
+       GError *error = NULL;
+       guint result;
 
        __tethering_h *th = (__tethering_h *)tethering;
-       char *p_ssid = NULL;
-       int ssid_len = 0;
 
-       ssid_len = strlen(ssid);
-       if (ssid_len > TETHERING_WIFI_SSID_MAX_LEN) {
-               ERR("parameter(ssid) is too long");
-               return TETHERING_ERROR_INVALID_PARAMETER;
-       }
+       GDBusProxy *proxy = th->client_bus_proxy;
 
-       p_ssid = strdup(ssid);
-       if (p_ssid == NULL) {
-               ERR("strdup failed\n");
-               return TETHERING_ERROR_OUT_OF_MEMORY;
+       parameters = g_dbus_proxy_call_sync(proxy, "set_mtu",
+                       g_variant_new("(u)", mtu),
+                       G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       result = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       result = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return result;
        }
 
-       if (th->ap_ssid)
-               g_free(th->ap_ssid);
-       th->ap_ssid = p_ssid;
+       g_variant_get(parameters, "(u)", &result);
+
+       g_variant_unref(parameters);
 
        return TETHERING_ERROR_NONE;
 }
 
-/**
- * @internal
- * @brief Gets the SSID (service set identifier) for Wi-Fi AP.
- * @since_tizen 2.3
- * @privlevel platform
- * @privilege http://tizen.org/privilege/tethering.admin
- * @details If SSID is not set, Device name is used as SSID
- * @remarks @a ssid must be released with free() by you.
- * @param[in]  tethering  The handle of tethering
- * @param[out]  ssid  The SSID
- * @return 0 on success, otherwise negative error value.
- * @retval  #TETHERING_ERROR_NONE  Successful
- * @retval  #TETHERING_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval  #TETHERING_ERROR_OUT_OF_MEMORY  Out of memory
- */
-API int tethering_wifi_ap_get_ssid(tethering_h tethering, char **ssid)
+API int tethering_wifi_change_mac(tethering_h tethering, char *mac)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
-       _retvm_if(ssid == NULL, TETHERING_ERROR_INVALID_PARAMETER,
-                       "parameter(ssid) is NULL\n");
+       _retvm_if(mac == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(mac) is NULL\n");
+
+       GVariant *parameters;
+       GError *error = NULL;
+       guint result;
 
        __tethering_h *th = (__tethering_h *)tethering;
 
-       *ssid = g_strdup(th->ap_ssid);
-       if (*ssid == NULL) {
-               ERR("strdup failed\n");
-               return TETHERING_ERROR_OUT_OF_MEMORY;
+       GDBusProxy *proxy = th->client_bus_proxy;
+
+       parameters = g_dbus_proxy_call_sync(proxy, "change_mac",
+                       g_variant_new("(s)", mac),
+                       G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       result = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       result = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return result;
        }
 
+       g_variant_get(parameters, "(u)", &result);
+       g_variant_unref(parameters);
+
+       if (result == MOBILE_AP_ERROR_NOT_PERMITTED)
+               return TETHERING_ERROR_NOT_SUPPORT_API;
+
        return TETHERING_ERROR_NONE;
 }
 
-/**
- * @internal
- * @brief Sets the visibility of SSID(service set identifier) for Wi-Fi AP.
- * @since_tizen 2.3
- * @privlevel platform
- * @privilege http://tizen.org/privilege/tethering.admin
- * @details If you set the visibility invisible, then the SSID of this device is hidden. So, Wi-Fi scan can't find your device.
- * @details by default visibility is set to true.
- * @remarks This change is applied next time Wi-Fi tethering is enabled
- * @param[in]  tethering  The handle of tethering
- * @param[in]  visible  The visibility of SSID: (@c true = visible, @c false = invisible)
- * @return 0 on success, otherwise negative error value.
- * @retval  #TETHERING_ERROR_NONE  Successful
- * @retval  #TETHERING_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval  #TETHERING_ERROR_OPERATION_FAILED  Operation failed
- * @see  tethering_wifi_ap_get_ssid_visibility()
- */
-API int tethering_wifi_ap_set_ssid_visibility(tethering_h tethering, bool visible)
+API int tethering_wifi_set_max_connected_device(tethering_h tethering, int max_device)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
-               "parameter(tethering) is NULL\n");
+                       "parameter(tethering) is NULL\n");
 
        __tethering_h *th = (__tethering_h *)tethering;
-       th->visibility = visible;
+
+       th->wifi_max_connected = max_device;
+
        return TETHERING_ERROR_NONE;
 }
 
-/**
- * @internal
- * @brief Gets the visibility of SSID(service set identifier) for Wi-Fi AP.
- * @since_tizen 2.3
- * @privlevel platform
- * @privilege http://tizen.org/privilege/tethering.admin
- * @details If the visibility is set invisible, then the SSID of this device is hidden. So, Wi-Fi scan can't find your device.
- * @details by default visibility is set to true.
- * @param[in]  tethering  The handle of tethering
- * @param[out]  visible  The visibility of SSID: (@c true = visible, @c false = invisible)
- * @return 0 on success, otherwise negative error value.
- * @retval  #TETHERING_ERROR_NONE  Successful
- * @retval  #TETHERING_ERROR_INVALID_PARAMETER  Invalid parameter
- * @see  tethering_wifi_ap_set_ssid_visibility()
- */
-API int tethering_wifi_ap_get_ssid_visibility(tethering_h tethering, bool *visible)
+API int tethering_wifi_get_max_connected_device(tethering_h tethering, int *max_device)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
-       _retvm_if(visible == NULL, TETHERING_ERROR_INVALID_PARAMETER,
-                       "parameter(visible) is NULL\n");
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(max_device == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(max_device) is NULL\n");
 
        __tethering_h *th = (__tethering_h *)tethering;
 
-       *visible = th->visibility;
+       *max_device = th->wifi_max_connected;
        return TETHERING_ERROR_NONE;
 }
 
-/**
- * @internal
- * @brief Sets the passphrase for Wi-Fi AP.
- * @since_tizen 2.3
- * @privlevel platform
- * @privilege http://tizen.org/privilege/tethering.admin
- * @details If the passphrase is not set, random string of 8 alphabets will be used.
- * @param[in]  tethering  The handle of tethering
- * @param[in]  passphrase  The passphrase
- * @return 0 on success, otherwise negative error value.
- * @retval  #TETHERING_ERROR_NONE  Successful
- * @retval  #TETHERING_ERROR_INVALID_PARAMETER  Invalid parameter
- * @see  tethering_wifi_ap_get_passphrase()
- */
-API int tethering_wifi_ap_set_passphrase(tethering_h tethering, const char *passphrase)
+API int tethering_wifi_enable_port_forwarding(tethering_h tethering, bool enable)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
-               "parameter(tethering) is NULL\n");
-       _retvm_if(passphrase == NULL, TETHERING_ERROR_INVALID_PARAMETER,
-               "parameter(passphrase) is NULL\n");
+                       "parameter(tethering) is NULL\n");
+
+       GVariant *parameters;
+       GError *error = NULL;
+       guint result;
 
        __tethering_h *th = (__tethering_h *)tethering;
-       int passphrase_len = 0;
 
-       passphrase_len = strlen(passphrase);
+       GDBusProxy *proxy = th->client_bus_proxy;
 
-       if (passphrase_len < TETHERING_WIFI_KEY_MIN_LEN ||
-                       passphrase_len > TETHERING_WIFI_KEY_MAX_LEN) {
-               ERR("parameter(passphrase) is too short or long\n");
-               return TETHERING_ERROR_INVALID_PARAMETER;
+       parameters = g_dbus_proxy_call_sync(proxy, "enable_port_forwarding",
+                       g_variant_new("(b)", enable),
+                       G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       result = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       result = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return result;
        }
 
-       if (!g_strcmp0(passphrase, th->passphrase))
-               return TETHERING_ERROR_NONE;
+       g_variant_get(parameters, "(u)", &result);
+       g_variant_unref(parameters);
+
+       th->port_forwarding = true;
 
-       g_strlcpy(th->passphrase, passphrase, sizeof(th->passphrase));
        return TETHERING_ERROR_NONE;
 }
 
-/**
- * @internal
- * @brief Gets the passphrase for Wi-Fi AP.
- * @since_tizen 2.3
- * @privlevel platform
- * @privilege http://tizen.org/privilege/tethering.admin
- * @details If the passphrase is not set, random string of 8 alphabets will be used.
- * @remarks @a passphrase must be released with free() by you.
- * @param[in]  tethering  The handle of tethering
- * @param[out]  passphrase  The passphrase
- * @return 0 on success, otherwise negative error value.
- * @retval  #TETHERING_ERROR_NONE  Successful
- * @retval  #TETHERING_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval  #TETHERING_ERROR_OUT_OF_MEMORY  Out of memory
- * @see  tethering_wifi_ap_set_passphrase()
- */
-API int tethering_wifi_ap_get_passphrase(tethering_h tethering, char **passphrase)
+API int tethering_wifi_add_port_forwarding_rule(tethering_h tethering, char *ifname, char *protocol, char *org_ip, int org_port, char *final_ip, int final_port)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
-       _retvm_if(passphrase == NULL, TETHERING_ERROR_INVALID_PARAMETER,
-                       "parameter(passphrase) is NULL\n");
+       _retvm_if(ifname == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(ifname) is NULL\n");
+       _retvm_if(protocol == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(protocol) is NULL\n");
+       _retvm_if(org_ip == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(org_ip) is NULL\n");
+       _retvm_if(final_ip == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(final_ip) is NULL\n");
+
+       GVariant *parameters;
+       GError *error = NULL;
+       guint result;
+       char cmd[MAX_BUF_SIZE] = { 0, };
+       char *list = NULL;
 
        __tethering_h *th = (__tethering_h *)tethering;
 
-       *passphrase = g_strdup(th->passphrase);
-       if (*passphrase == NULL) {
-               ERR("strdup is failed\n");
+       GDBusProxy *proxy = th->client_bus_proxy;
+
+       parameters = g_dbus_proxy_call_sync(proxy, "add_port_forwarding_rule",
+                       g_variant_new("(sssisi)", ifname, protocol, org_ip, org_port, final_ip, final_port),
+                       G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       result = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       result = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return result;
+       }
+
+       g_variant_get(parameters, "(u)", &result);
+       g_variant_unref(parameters);
+
+       snprintf(cmd, sizeof(cmd), "%s "PORT_FORWARD_RULE_STR, IPTABLES, TABLE_NAT, TETH_NAT_PRE, ifname, protocol, org_ip, org_port, final_ip, final_port);
+
+       list = strdup(cmd);
+       if (list == NULL) {
+               ERR("strdup failed\n");
                return TETHERING_ERROR_OUT_OF_MEMORY;
        }
 
+       port_forwarding = g_slist_append(port_forwarding, list);
+
        return TETHERING_ERROR_NONE;
 }
 
-/**
- * @internal
- * @brief Reload the settings (SSID / Passphrase / Security type / SSID visibility) for Wi-Fi AP.
- * @since_tizen 2.3
- * @privlevel platform
- * @privilege http://tizen.org/privilege/tethering.admin
- * @remarks Connected devices via MobileAP will be disconnected when the settings are reloaded
- * @param[in]  tethering  The handle of tethering
- * @param[in]  callback  The callback function to invoke
- * @param[in]  user_data  The user data to be passed to the callback function
- * @return 0 on success, otherwise negative error value.
- * @retval  #TETHERING_ERROR_NONE  Successful
- * @retval  #TETHERING_ERROR_INVALID_PARAMETER  Invalid parameter
- * @retval  #TETHERING_ERROR_OPERATION_FAILED  Operation failed
- */
-API int tethering_wifi_ap_reload_settings(tethering_h tethering, tethering_wifi_ap_settings_reloaded_cb callback, void *user_data)
+API int tethering_wifi_reset_port_forwarding_rule(tethering_h tethering)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+
+       GVariant *parameters;
+       GError *error = NULL;
+       guint result;
+
+       __tethering_h *th = (__tethering_h *)tethering;
+
+       GDBusProxy *proxy = th->client_bus_proxy;
+
+       parameters = g_dbus_proxy_call_sync(proxy, "reset_port_forwarding_rule",
+                       NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       result = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       result = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return result;
+       }
+
+       g_variant_get(parameters, "(u)", &result);
+
+       g_variant_unref(parameters);
+
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_is_port_forwarding_enabled(tethering_h tethering, bool *forwarding_enabled)
 {
-       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE, TETHERING_WIFI_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
        _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
                        "parameter(tethering) is NULL\n");
-       _retvm_if(callback == NULL, TETHERING_ERROR_INVALID_PARAMETER,
-                       "parameter(callback) is NULL\n");
+       _retvm_if(forwarding_enabled == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(forwarding_enabled) is NULL\n");
 
        __tethering_h *th = (__tethering_h *)tethering;
-       _softap_settings_t set = {"", "", "", 0, false};
+
+       *forwarding_enabled = th->port_forwarding;
+
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_get_port_forwarding_rule(tethering_h tethering, void **port_forwarding_list)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(port_forwarding_list == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(port_forwarding_list) is NULL\n");
+
+       *port_forwarding_list = g_slist_copy(port_forwarding);
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_enable_port_filtering(tethering_h tethering, bool enable)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+
+       GVariant *parameters;
+       GError *error = NULL;
+       guint result;
+
+       __tethering_h *th = (__tethering_h *)tethering;
+
        GDBusProxy *proxy = th->client_bus_proxy;
+
+       parameters = g_dbus_proxy_call_sync(proxy, "enable_port_filtering",
+                       g_variant_new("(b)", enable),
+                       G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       result = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       result = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return result;
+       }
+
+       g_variant_get(parameters, "(u)", &result);
+       g_variant_unref(parameters);
+
+       th->port_filtering = true;
+
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_add_port_filtering_rule(tethering_h tethering, int port, char *protocol, bool allow)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(protocol == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(protocol) is NULL\n");
+
+       GVariant *parameters;
+       GError *error = NULL;
+       guint result;
+       char *list = NULL;
+       int ret;
+
+       __tethering_h *th = (__tethering_h *)tethering;
+
+       GDBusProxy *proxy = th->client_bus_proxy;
+
+       parameters = g_dbus_proxy_call_sync(proxy, "add_port_filtering_rule",
+                       g_variant_new("(isb)", port, protocol, allow),
+                       G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       result = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       result = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return result;
+       }
+
+       g_variant_get(parameters, "(u)", &result);
+       g_variant_unref(parameters);
+
+       if (allow)
+               ret = asprintf(&list, "%s "FILTERING_RULE_STR, IPTABLES, TABLE_FILTER, TETH_FILTER_FW, protocol, port, ACTION_ACCEPT);
+       else
+               ret = asprintf(&list, "%s "FILTERING_RULE_STR, IPTABLES, TABLE_FILTER, TETH_FILTER_FW, protocol, port, ACTION_DROP);
+
+       if (ret == -1 || list == NULL) {
+               ERR("asprintf failed\n");
+               return TETHERING_ERROR_OUT_OF_MEMORY;
+       }
+
+       DBG("cmd:%s", list);
+
+       port_filtering = g_slist_append(port_filtering, list);
+
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_add_custom_port_filtering_rule(tethering_h tethering, int port1, int port2, char *protocol, bool allow)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(protocol == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(protocol) is NULL\n");
+
+       GVariant *parameters;
+       GError *error = NULL;
+       guint result;
+       char *list = NULL;
+       int ret;
+
+       __tethering_h *th = (__tethering_h *)tethering;
+
+       GDBusProxy *proxy = th->client_bus_proxy;
+
+       parameters = g_dbus_proxy_call_sync(proxy, "add_custom_port_filtering_rule",
+                       g_variant_new("(iisb)", port1, port2, protocol, allow),
+                       G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       result = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       result = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return result;
+       }
+
+       g_variant_get(parameters, "(u)", &result);
+       g_variant_unref(parameters);
+
+       if (allow)
+               ret = asprintf(&list, "%s "FILTERING_MULTIPORT_RULE_STR, IPTABLES, TABLE_FILTER, TETH_FILTER_FW, protocol, port1, port2, ACTION_ACCEPT);
+       else
+               ret = asprintf(&list, "%s "FILTERING_MULTIPORT_RULE_STR, IPTABLES, TABLE_FILTER, TETH_FILTER_FW, protocol, port1, port2, ACTION_DROP);
+
+       if (ret == -1 || list == NULL) {
+               ERR("asprintf failed\n");
+               return TETHERING_ERROR_OUT_OF_MEMORY;
+       }
+
+       DBG("cmd:%s", list);
+
+       custom_port_filtering = g_slist_append(custom_port_filtering, list);
+
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_get_port_filtering_rule(tethering_h tethering, void **port_filtering_list)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(port_filtering_list == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(port_filtering_list) is NULL\n");
+
+       *port_filtering_list = g_slist_copy(port_filtering);
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_get_custom_port_filtering_rule(tethering_h tethering, void **custom_port_filtering_list)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(custom_port_filtering_list == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(custom_port_filtering_list) is NULL\n");
+
+       *custom_port_filtering_list = g_slist_copy(custom_port_filtering);
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_is_port_filtering_enabled(tethering_h tethering, bool *filtering_enabled)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+       _retvm_if(filtering_enabled == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(filtering_enabled) is NULL\n");
+
+       __tethering_h *th = (__tethering_h *)tethering;
+
+       *filtering_enabled = th->port_filtering;
+
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_set_vpn_passthrough_rule(tethering_h tethering, tethering_vpn_passthrough_type_e type, bool enable)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL\n");
+
+       GVariant *parameters;
+       GError *error = NULL;
+       guint result;
+
+       __tethering_h *th = (__tethering_h *)tethering;
+
+       GDBusProxy *proxy = th->client_bus_proxy;
+
+       parameters = g_dbus_proxy_call_sync(proxy, "set_vpn_passthrough_rule",
+                       g_variant_new("(ib)", type, enable),
+                       G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       result = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       result = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return result;
+       }
+
+       g_variant_get(parameters, "(u)", &result);
+
+       g_variant_unref(parameters);
+
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_push_wps_button(tethering_h tethering)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
+
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL");
+       __tethering_h *th = (__tethering_h *)tethering;
+       GDBusProxy *proxy = th->client_bus_proxy;
+       GVariant *parameters = NULL;
        int ret = 0;
+       GError *error = NULL;
 
-       DBG("+\n");
+       parameters = g_dbus_proxy_call_sync(proxy, "push_wps_button",
+                       NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
 
-       if (th->ap_settings_reloaded_cb) {
-               ERR("Operation in progress\n");
-               return TETHERING_ERROR_OPERATION_FAILED;
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       ret = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       ret = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return ret;
        }
 
-       ret = __prepare_wifi_ap_settings(tethering, &set);
-       if (ret != TETHERING_ERROR_NONE) {
-               ERR("softap settings initialization failed\n");
-               return TETHERING_ERROR_OPERATION_FAILED;
+       if (parameters != NULL) {
+               g_variant_get(parameters, "(u)", &ret);
+               g_variant_unref(parameters);
        }
 
-       th->ap_settings_reloaded_cb = callback;
-       th->ap_settings_reloaded_user_data = user_data;
+       return TETHERING_ERROR_NONE;
+}
+
+API int tethering_wifi_set_wps_pin(tethering_h tethering, const char *wps_pin)
+{
+       CHECK_FEATURE_SUPPORTED(TETHERING_FEATURE);
+       CHECK_FEATURE_SUPPORTED(TETHERING_WIFI_FEATURE);
 
-       g_dbus_proxy_call(proxy, "reload_wifi_ap_settings",
-                       g_variant_new("(ssii)", set.ssid, set.key, set.visibility, set.sec_type),
-                       G_DBUS_CALL_FLAGS_NONE, -1, th->cancellable,
-                       (GAsyncReadyCallback) __ap_settings_reloaded_cb, (gpointer)tethering);
+       _retvm_if(tethering == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(tethering) is NULL");
+       _retvm_if(wps_pin == NULL, TETHERING_ERROR_INVALID_PARAMETER,
+                       "parameter(wps_pin) is NULL");
+
+       __tethering_h *th = (__tethering_h *)tethering;
+       GDBusProxy *proxy = th->client_bus_proxy;
+       GVariant *parameters = NULL;
+       int ret = 0;
+       GError *error = NULL;
+
+       parameters = g_dbus_proxy_call_sync(proxy, "set_wps_pin",
+                       g_variant_new("(s)", wps_pin), G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
+
+       if (error) {
+               ERR("g_dbus_proxy_call_sync failed because  %s\n", error->message);
+
+               if (error->code == G_DBUS_ERROR_ACCESS_DENIED)
+                       ret = TETHERING_ERROR_PERMISSION_DENIED;
+               else
+                       ret = TETHERING_ERROR_OPERATION_FAILED;
+
+               g_error_free(error);
+               return ret;
+       }
+
+       if (parameters != NULL) {
+               g_variant_get(parameters, "(u)", &ret);
+               g_variant_unref(parameters);
+       }
 
        return TETHERING_ERROR_NONE;
 }
+
+