X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=src%2Fwifi-power.c;h=71e953058c235d4ec5bfc5553ac4350104c3425e;hb=46a7bfcb29ca7642cae080ca393cf145d15fb232;hp=6eb0fea09f2fa118dfb0e08fefdecb80f5279215;hpb=f648cc946caff6519c745280a9810a0a52af6700;p=platform%2Fcore%2Fconnectivity%2Fnet-config.git

diff --git a/src/wifi-power.c b/src/wifi-power.c
old mode 100644
new mode 100755
index 6eb0fea..71e9530
--- a/src/wifi-power.c
+++ b/src/wifi-power.c
@@ -1,7 +1,7 @@
 /*
  * Network Configuration Module
  *
- * Copyright (c) 2012-2013 Samsung Electronics Co., Ltd. All rights reserved.
+ * Copyright (c) 2000 - 2012 Samsung Electronics Co., Ltd. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,401 +17,949 @@
  *
  */
 
-#include <stdio.h>
-#include <unistd.h>
+#include <errno.h>
 #include <vconf.h>
 #include <vconf-keys.h>
-#include <wifi-direct.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <glib.h>
+#include <tzplatform_config.h>
+#include <net/if.h>
+#include <sys/ioctl.h>
 
-#include "wifi.h"
 #include "log.h"
-#include "wifi.h"
 #include "util.h"
 #include "netdbus.h"
 #include "neterror.h"
-#include "netconfig.h"
-#include "emulator.h"
-#include "network-statistics.h"
-#include "wifi-background-scan.h"
+#include "wifi-wps.h"
+#include "wifi-bssid-scan.h"
 #include "wifi-power.h"
 #include "wifi-state.h"
-#include "mdm-private.h"
-#include "wifi-agent.h"
-#include "wifi-eap-config.h"
+#include "netsupplicant.h"
+#include "network-state.h"
+#include "network-dpm.h"
+#include "wifi-firmware.h"
+#include "wifi-background-scan.h"
 
 
-#define WLAN_DRIVER_SCRIPT "/usr/bin/wlan.sh"
+#define WLAN_SUPPLICANT_SCRIPT		"/usr/bin/wpa_supp.sh"
+#define P2P_SUPPLICANT_SCRIPT		"/usr/bin/p2p_supp.sh"
 
-static gboolean power_in_progress = FALSE;
-static gboolean fm_waiting = FALSE;
+#define VCONF_WIFI_OFF_STATE_BY_AIRPLANE	"file/private/wifi/wifi_off_by_airplane"
+#define VCONF_WIFI_OFF_STATE_BY_RESTRICTED	"file/private/wifi/wifi_off_by_restricted"
+#define VCONF_WIFI_OFF_STATE_BY_EMERGENCY	"file/private/wifi/wifi_off_by_emergency"
+#if !defined TIZEN_WEARABLE
+#define VCONFKEY_SETAPPL_NETWORK_PERMIT_WITH_LCD_OFF_LIMIT	"db/setting/network_with_lcd_off_limit"
+#endif
 
-static gboolean __netconfig_wifi_enable_technology(void)
-{
-	DBusMessage *reply = NULL;
-	char param1[] = "string:Powered";
-	char param2[] = "variant:boolean:true";
-	char *param_array[] = {NULL, NULL, NULL};
+#define WLAN_MAC_ADDRESS_FILEPATH   "/sys/class/net/wlan0/address"
+#define WLAN_MAC_ADDR_MAX	    20
+#define VCONF_WIFI_BSSID_ADDRESS	"db/wifi/bssid_address"
 
-	param_array[0] = param1;
-	param_array[1] = param2;
+#define ETH_MAC_ADDR_SIZE 6
+#define VCONF_ETH_MAC_ADDRESS  "db/dnet/mac_address"
+#define NET_EXEC_PATH "/sbin/ifconfig"
+#define OS_RANDOM_FILE "/dev/urandom"
 
-	reply = netconfig_invoke_dbus_method(CONNMAN_SERVICE, CONNMAN_WIFI_TECHNOLOGY_PREFIX,
-			CONNMAN_TECHNOLOGY_INTERFACE, "SetProperty", param_array);
+#define NETCONFIG_TECH_WAITING_INTERVAL 500
+#define NETCONFIG_TECH_WAITING_COUNT 6
+#define MAX_DRV_CMD_SIZE 248
+#define WLAN_IOCTL_SUSPEND (SIOCDEVPRIVATE + 1)
 
-	if (reply == NULL) {
-		ERR("Error! Request failed");
-		return FALSE;
-	}
+static gboolean connman_wifi_technology_state = FALSE;
+static gboolean wifi_firmware_recovery_mode = FALSE;
+static int airplane_mode = 0;
 
-	dbus_message_unref(reply);
+typedef struct {
+	char *buf;
+	int used_len;
+	int total_len;
+} netconfig_wifi_priv_cmd;
 
-	return TRUE;
+static gboolean __is_wifi_restricted(void)
+{
+#if defined TIZEN_WEARABLE
+	return FALSE;
+#endif
+	int restricted_mode = 0;
+
+	netconfig_vconf_get_bool(VCONFKEY_SETAPPL_NETWORK_RESTRICT_MODE, &restricted_mode);
+	if (restricted_mode != 0) {
+		DBG("network restricted mode[%d]", restricted_mode);
+		return TRUE;
+	}
+
+	return FALSE;
 }
 
-static gboolean __netconfig_wifi_disable_technology(void)
+static void __technology_reply(GObject *source_object, GAsyncResult *res, gpointer user_data)
 {
-	DBusMessage *reply = NULL;
-	char param1[] = "string:Powered";
-	char param2[] = "variant:boolean:false";
-	char *param_array[] = {NULL, NULL, NULL};
-
-	param_array[0] = param1;
-	param_array[1] = param2;
+	GVariant *reply;
+	GDBusConnection *conn = NULL;
+	GError *error = NULL;
 
-	reply = netconfig_invoke_dbus_method(CONNMAN_SERVICE, CONNMAN_WIFI_TECHNOLOGY_PREFIX,
-			CONNMAN_TECHNOLOGY_INTERFACE, "SetProperty", param_array);
+	conn = G_DBUS_CONNECTION(source_object);
+	reply = g_dbus_connection_call_finish(conn, res, &error);
 
 	if (reply == NULL) {
-		ERR("Error! Request failed");
-		return FALSE;
+		if (error != NULL) {
+			if (g_strstr_len(error->message, strlen(error->message),
+					CONNMAN_ERROR_INTERFACE ".AlreadyEnabled") != NULL) {
+				wifi_state_update_power_state(TRUE);
+			} else if (g_strstr_len(error->message, strlen(error->message),
+					CONNMAN_ERROR_INTERFACE ".AlreadyDisabled") != NULL) {
+				wifi_state_update_power_state(FALSE);
+			} else {
+				ERR("Fail to request status [%d: %s]", error->code, error->message);
+				wifi_state_update_power_state(FALSE);
+			}
+			g_error_free(error);
+		} else {
+			ERR("Fail to request status");
+			wifi_state_update_power_state(FALSE);
+		}
+	} else {
+		DBG("Successfully requested");
+		g_variant_unref(reply);
 	}
 
-	dbus_message_unref(reply);
-
-	return TRUE;
+	netconfig_gdbus_pending_call_unref();
 }
 
-static gboolean __netconfig_wifi_load_driver(void)
+static int __execute_supplicant(gboolean enable)
 {
-	gboolean rv = FALSE;
-	const char *path = WLAN_DRIVER_SCRIPT;
-	char *const args[] = { "wlan.sh", "start", NULL };
+	int rv = 0;
+	const char *path = WLAN_SUPPLICANT_SCRIPT;
+	char *const args_enable[] = { "/usr/bin/wpa_supp.sh", "start", NULL };
+	char *const args_disable[] = { "/usr/bin/wpa_supp.sh", "stop", NULL };
 	char *const envs[] = { NULL };
+	static gboolean enabled = FALSE;
 
-	if (netconfig_emulator_is_emulated() == TRUE)
-		return rv;
+	if (enabled == enable)
+		return -EALREADY;
 
-	rv = netconfig_execute_file(path, args, envs);
-	if (rv != TRUE) {
-		DBG("Failed to load wireless device driver");
-		return FALSE;
-	}
+	if (enable == TRUE)
+		rv = netconfig_execute_file(path, args_enable, envs);
+	else
+		rv = netconfig_execute_file(path, args_disable, envs);
+	if (rv < 0)
+		return -EIO;
 
-	DBG("Successfully loaded wireless device driver");
-	return TRUE;
+	DBG("wpa_supplicant %s", enable == TRUE ? "started" : "stopped");
+
+	enabled = enable;
+
+	return 0;
 }
 
-gboolean netconfig_wifi_remove_driver(void)
+void netconfig_wifi_recover_firmware(void)
 {
-	gboolean rv = FALSE;
-	const char *path = WLAN_DRIVER_SCRIPT;
-	char *const args[] = { "wlan.sh", "stop", NULL };
-	char *const env[] = { NULL };
+	wifi_firmware_recovery_mode = TRUE;
 
-	if (netconfig_emulator_is_emulated() == TRUE)
-		return rv;
+	netconfig_wifi_bgscan_stop();
 
-	rv = netconfig_execute_file(path, args, env);
-	if (rv != TRUE) {
-		DBG("Failed to remove wireless device driver");
-		return FALSE;
+	wifi_power_off();
+}
+
+static int _load_driver_and_supplicant(void)
+{
+	int err = 0;
+	wifi_tech_state_e tech_state;
+
+	tech_state = wifi_state_get_technology_state();
+	if (tech_state > NETCONFIG_WIFI_TECH_OFF)
+		return -EALREADY;
+
+	err = __execute_supplicant(TRUE);
+	if (err < 0 && err != -EALREADY)
+		return err;
+
+	err = netconfig_wifi_firmware(NETCONFIG_WIFI_STA, TRUE);
+	if (err < 0 && err != -EALREADY) {
+		__execute_supplicant(FALSE);
+		return err;
 	}
 
-	DBG("Successfully removed wireless device driver");
-	return TRUE;
-}
+	wifi_state_set_tech_state(NETCONFIG_WIFI_TECH_WPS_ONLY);
 
-static int __netconfig_wifi_try_to_load_driver(void);
-static gboolean __netconfig_wifi_try_to_remove_driver(void);
+	return 0;
+}
 
-void netconfig_wifi_notify_power_completed(gboolean power_on)
+static int _remove_driver_and_supplicant(void)
 {
-	DBusMessage *signal;
-	DBusConnection *connection;
-	DBusError error;
-	char *sig_name;
+	int err = 0;
 
-	if (power_on)
-		sig_name = "PowerOnCompleted";
-	else
-		sig_name = "PowerOffCompleted";
+	DBG("remove driver and supplicant");
+	if (wifi_firmware_recovery_mode != TRUE &&
+					netconfig_wifi_is_bssid_scan_started() == TRUE) {
+		DBG("Wi-Fi WPS mode");
+		return 0;
+	}
 
-	dbus_error_init(&error);
+	err = netconfig_wifi_firmware(NETCONFIG_WIFI_STA, FALSE);
+	if (err < 0 && err != -EALREADY)
+		return err;
 
-	connection = dbus_bus_get(DBUS_BUS_SYSTEM, &error);
-	if (connection == NULL) {
-		ERR("Error!!! Failed to get system DBus, error [%s]", error.message);
-		dbus_error_free(&error);
-		return;
-	}
+	err = __execute_supplicant(FALSE);
+	if (err < 0 && err != -EALREADY)
+		return err;
 
-	signal = dbus_message_new_signal(NETCONFIG_WIFI_PATH,
-					NETCONFIG_WIFI_INTERFACE, sig_name);
-	if (signal == NULL)
-		return;
+	wifi_state_set_tech_state(NETCONFIG_WIFI_TECH_OFF);
 
-	dbus_connection_send(connection, signal, NULL);
+	// reset service state
+	wifi_state_set_service_state(NETCONFIG_WIFI_IDLE);
 
-	dbus_message_unref(signal);
-	dbus_connection_unref(connection);
+	if (wifi_firmware_recovery_mode == TRUE) {
+		if (wifi_power_on() < 0)
+			ERR("Failed to recover Wi-Fi firmware");
 
-	INFO("(%s)", sig_name);
+		wifi_firmware_recovery_mode = FALSE;
+	}
+
+	return 0;
 }
 
-static void __netconfig_wifi_direct_state_cb(int error_code,
-		wifi_direct_device_state_e device_state, void *user_data)
+static gboolean __check_and_set_technology_enable(gpointer data)
 {
-	wifi_direct_unset_device_state_changed_cb();
-	wifi_direct_deinitialize();
+	static int retry_count = NETCONFIG_TECH_WAITING_COUNT;
+	gboolean value_enable = TRUE;
+	gboolean reply = FALSE;
+	GVariant *params = NULL;
+	char key[] = "Powered";
+
+	if (wifi_state_is_technology_available() == FALSE) {
+		retry_count--;
+		if (retry_count > 0)
+			return TRUE;
+	}
 
-	if (device_state == WIFI_DIRECT_DEVICE_STATE_DEACTIVATED) {
-		if (__netconfig_wifi_try_to_load_driver() < 0) {
-			power_in_progress = FALSE;
+	params = g_variant_new("(sv)", key, g_variant_new_boolean(value_enable));
 
-			/* TODO: error report */
+	reply = netconfig_invoke_dbus_method_nonblock(CONNMAN_SERVICE,
+					CONNMAN_WIFI_TECHNOLOGY_PREFIX,
+					CONNMAN_TECHNOLOGY_INTERFACE,
+					"SetProperty", params, __technology_reply);
 
-			return;
-		}
+	if (reply != TRUE) {
+		ERR("Fail to set technology enable");
+		wifi_state_update_power_state(FALSE);
+
+		retry_count = NETCONFIG_TECH_WAITING_COUNT;
+		return FALSE;
 	}
+
+	retry_count = NETCONFIG_TECH_WAITING_COUNT;
+	return FALSE;
 }
 
-static gboolean __netconfig_wifi_direct_power_off(void)
+static int _set_connman_technology_power(gboolean enable)
 {
-	DBG("Wi-Fi direct is turning off");
+	gboolean reply = FALSE;
+	GVariant *params = NULL;
+	char key[] = "Powered";
+	gboolean value_enable = TRUE;
+	gboolean value_disable = FALSE;
+
+	if (connman_wifi_technology_state == enable)
+		return -EALREADY;
+
+	if (enable && wifi_state_is_technology_available() == FALSE) {
+		netconfig_start_timer(NETCONFIG_TECH_WAITING_INTERVAL,
+				__check_and_set_technology_enable, NULL, NULL);
+		connman_wifi_technology_state = enable;
+		return 0;
+	}
 
-	if (wifi_direct_initialize() < 0)
-		return FALSE;
+	params = g_variant_new("(sv)", key, (enable == TRUE) ?
+		g_variant_new_boolean(value_enable) : g_variant_new_boolean(value_disable));
 
-	if (wifi_direct_set_device_state_changed_cb(
-			__netconfig_wifi_direct_state_cb, NULL) < 0)
-		return FALSE;
+	reply = netconfig_invoke_dbus_method_nonblock(CONNMAN_SERVICE,
+					CONNMAN_WIFI_TECHNOLOGY_PREFIX, CONNMAN_TECHNOLOGY_INTERFACE,
+					"SetProperty", params, __technology_reply);
 
-	if (wifi_direct_deactivate() < 0)
-		return FALSE;
+	if (reply != TRUE) {
+		ERR("Fail to set technology %s", enable == TRUE ? "enable" : "disable");
+		return -ESRCH;
+	}
 
-	return TRUE;
+	/* If Wi-Fi powered off,
+	 * Do not remove Wi-Fi driver until ConnMan technology state updated
+	 */
+	if (enable == TRUE)
+		connman_wifi_technology_state = enable;
+
+	/* To be keep safe, early disable Wi-Fi tech state */
+	if (enable != TRUE)
+		wifi_state_set_tech_state(NETCONFIG_WIFI_TECH_WPS_ONLY);
+
+	return 0;
 }
 
-static int __netconfig_wifi_try_to_load_driver(void)
+static void __netconfig_set_wifi_bssid(void)
 {
-	if (netconfig_is_wifi_allowed() != TRUE)
-		return -EPERM;
+	int rv = 0;
+	char bssid[WLAN_MAC_ADDR_MAX];
 
-	if (netconfig_is_wifi_tethering_on() == TRUE) {
-		/* TODO: Wi-Fi tethering turns off here */
-		/* return TRUE; */
-		return -EBUSY;
-	}
+	FILE *fp = fopen(WLAN_MAC_ADDRESS_FILEPATH, "r");
 
-	if (netconfig_is_wifi_direct_on() == TRUE) {
-		if (__netconfig_wifi_direct_power_off() == TRUE) {
-			power_in_progress = TRUE;
-			return -EINPROGRESS;
-		} else
-			return -EBUSY;
+	if (fp == NULL) {
+		ERR("Fail to open %s", WLAN_MAC_ADDRESS_FILEPATH);
+		return;
 	}
 
-	if (__netconfig_wifi_load_driver() != TRUE) {
-		netconfig_wifi_remove_driver();
+	fseek(fp, 0L, SEEK_SET);
+	rv = fscanf(fp, "%17s", bssid);
 
+	if (rv < 0)
+		ERR("Fail to read bssid");
+
+	netconfig_set_vconf_str(VCONF_WIFI_BSSID_ADDRESS, bssid);
+
+	fclose(fp);
+}
+
+void netconfig_wifi_disable_technology_state_by_only_connman_signal(void)
+{
+	/* Important: it's only done by ConnMan technology signal update */
+	connman_wifi_technology_state = FALSE;
+}
+
+#if defined TIZEN_WEARABLE
+int netconfig_wifi_on_wearable(gboolean device_picker_test)
+{
+	int err = 0;
+	int ps_mode;
+
+	if (netconfig_vconf_get_int(VCONFKEY_SETAPPL_PSMODE, &ps_mode) < 0) {
+		ERR("Fail to get VCONFKEY_SETAPPL_PSMODE");
 		return -EIO;
 	}
 
-	if (__netconfig_wifi_enable_technology() != TRUE) {
-		netconfig_wifi_remove_driver();
-		return -EIO;
+	if (ps_mode > SETTING_PSMODE_NORMAL) {
+		WARN("ps mode is on(%d), Not turn on Wi-Fi", ps_mode);
+		return -EPERM;
 	}
 
-	power_in_progress = TRUE;
+	err = wifi_power_driver_and_supplicant(TRUE);
+	if (err < 0 && err != -EALREADY)
+		return err;
 
-	return 0;
-}
+	err = _set_connman_technology_power(TRUE);
 
-static gboolean __netconfig_wifi_try_to_remove_driver(void)
+	if (device_picker_test == TRUE)
+		netconfig_wifi_enable_device_picker_test();
+
+	return err;
+}
+#else
+static void __netconfig_wifi_restrict_mode(keynode_t *node, void *user_data)
 {
-	netconfig_wifi_device_picker_service_stop();
+	int wifi_state = 0, restricted = 0;
+	int wifi_off_by_restricted = 0;
 
-	netconfig_wifi_statistics_update_powered_off();
+	netconfig_vconf_get_int(VCONF_WIFI_OFF_STATE_BY_RESTRICTED, &wifi_off_by_restricted);
 
-	if (__netconfig_wifi_disable_technology() != TRUE)
-		return FALSE;
+	netconfig_vconf_get_int(VCONFKEY_WIFI_STATE, &wifi_state);
+
+	if (node != NULL)
+		restricted = vconf_keynode_get_bool(node);
+	else
+		netconfig_vconf_get_bool(VCONFKEY_SETAPPL_NETWORK_RESTRICT_MODE, &restricted);
 
-	power_in_progress = TRUE;
+	DBG("network restricted mode %s", restricted > 0 ? "ON" : "OFF");
+	DBG("Wi-Fi state %d, Wi-Fi was off by restricted mode %s", wifi_state,
+			wifi_off_by_restricted ? "Yes" : "No");
 
-	return TRUE;
+	if (restricted > 0) {
+		/* network restricted on */
+		if (wifi_state == VCONFKEY_WIFI_OFF)
+			return;
+
+		wifi_power_off();
+
+		netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_RESTRICTED, 1);
+	} else {
+		/* network restricted off */
+		if (!wifi_off_by_restricted)
+			return;
+
+		netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_RESTRICTED, 0);
+
+		if (wifi_state > VCONFKEY_WIFI_OFF)
+			return;
+
+		wifi_power_on();
+	}
 }
+#endif
 
-static void __netconfig_wifi_airplane_mode(keynode_t* node,
-		void* user_data)
+static void __netconfig_wifi_airplane_mode(keynode_t *node, void *user_data)
 {
-	int value = 0;
-	int wifi_state = 0;
-	static gboolean powered_off_by_flightmode = FALSE;
+	int wifi_state = 0, airplane_state = 0;
+	int wifi_off_by_airplane = 0;
 
-	if (power_in_progress) {
-		fm_waiting = TRUE;
-		return;
-	}
+	netconfig_vconf_get_int(VCONF_WIFI_OFF_STATE_BY_AIRPLANE, &wifi_off_by_airplane);
+	netconfig_vconf_get_int(VCONFKEY_WIFI_STATE, &wifi_state);
+
+	if (node != NULL)
+		airplane_state = vconf_keynode_get_bool(node);
+	else
+		netconfig_vconf_get_bool(VCONFKEY_TELEPHONY_FLIGHT_MODE, &airplane_state);
 
-	fm_waiting = FALSE;
+	DBG("airplane mode %s (prev:%d)", airplane_state > 0 ? "ON" : "OFF", airplane_mode);
+	DBG("Wi-Fi state(or use) %d, Wi-Fi was off by flight mode %s", wifi_state,
+			wifi_off_by_airplane ? "Yes" : "No");
 
-	vconf_get_bool(VCONFKEY_TELEPHONY_FLIGHT_MODE, &value);
-	vconf_get_int(VCONFKEY_WIFI_STATE, &wifi_state);
+	if (airplane_mode == airplane_state)
+		return ;
 
-	DBG("flight mode %s", value > 0 ? "ON" : "OFF");
-	DBG("Wi-Fi state %d, Wi-Fi was off by flight mode %s",
-			wifi_state, powered_off_by_flightmode == TRUE ? "Yes" : "No");
+	airplane_mode = airplane_state;
 
-	if (value > 0) {
-		/* flight mode enabled */
+	if (airplane_state > 0) {
+		/* airplane mode on */
 		if (wifi_state == VCONFKEY_WIFI_OFF)
 			return;
 
-		DBG("Turning Wi-Fi off");
+		wifi_power_off();
 
-		__netconfig_wifi_try_to_remove_driver();
+		netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_AIRPLANE, 1);
+	} else {
+		/* airplane mode off */
+		if (!wifi_off_by_airplane)
+			return;
 
-		powered_off_by_flightmode = TRUE;
-	} else if (value == 0) {
-		/* flight mode disabled */
+		netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_AIRPLANE, 0);
 		if (wifi_state > VCONFKEY_WIFI_OFF)
 			return;
 
-		if (powered_off_by_flightmode != TRUE)
+		wifi_power_on();
+	}
+}
+
+static void __emergency_mode_changed_cb(keynode_t *node, void *user_data)
+{
+	int wifi_state = 0, emergency = 0;
+	int wifi_off_by_emergency = 0;
+#if !defined TIZEN_WEARABLE
+	int emergency_by_fmm = 0;
+#endif
+	netconfig_vconf_get_int(VCONF_WIFI_OFF_STATE_BY_EMERGENCY, &wifi_off_by_emergency);
+	netconfig_vconf_get_int(VCONFKEY_WIFI_STATE, &wifi_state);
+
+#if !defined TIZEN_WEARABLE
+	netconfig_vconf_get_bool(VCONFKEY_SETAPPL_NETWORK_PERMIT_WITH_LCD_OFF_LIMIT, &emergency_by_fmm);
+	DBG("emergency mode by Find My Mobile (%d)", emergency_by_fmm);
+	if (emergency_by_fmm == 1)
+		return;
+#endif
+
+	if (node != NULL)
+		emergency = vconf_keynode_get_int(node);
+	else
+		netconfig_vconf_get_int(VCONFKEY_SETAPPL_PSMODE, &emergency);
+
+	DBG("emergency mode %s", emergency > SETTING_PSMODE_POWERFUL ? "ON" : "OFF");
+	DBG("Wi-Fi state %d, Wi-Fi was off by emergency mode %s", wifi_state, wifi_off_by_emergency ? "Yes" : "No");
+
+#if defined TIZEN_WEARABLE
+	if (emergency == SETTING_PSMODE_WEARABLE) {
+		/* basic power saving mode on */
+	} else if (emergency == SETTING_PSMODE_WEARABLE_ENHANCED) {
+		/* enhanced power saving mode on */
+		if (wifi_state == VCONFKEY_WIFI_OFF)
+			return;
+
+		wifi_power_off();
+		netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_EMERGENCY, 1);
+	} else {
+		/* power saving mode off */
+		if (!wifi_off_by_emergency)
 			return;
 
-		__netconfig_wifi_try_to_load_driver();
+		netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_EMERGENCY, 0);
+		if (wifi_state > VCONFKEY_WIFI_OFF)
+			return;
+
+		wifi_power_on_wearable(TRUE);
+	}
+#else
+	if (emergency > SETTING_PSMODE_POWERFUL) {
+		/* emergency mode on */
+		if (wifi_state == VCONFKEY_WIFI_OFF)
+			return;
+
+		wifi_power_off();
+
+		netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_EMERGENCY, 1);
+	} else {
+		/* emergency mode off */
+		if (!wifi_off_by_emergency)
+			return;
+
+		netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_EMERGENCY, 0);
+
+		if (wifi_state > VCONFKEY_WIFI_OFF)
+			return;
+
+		wifi_power_on();
+	}
+#endif
 
-		powered_off_by_flightmode = FALSE;
-	} else
-		DBG("Invalid value (%d)", value);
 }
 
-static void __netconfig_wifi_pm_state_mode(keynode_t* node,
-		void* user_data)
+void wifi_set_early_suspend(gboolean value)
 {
-	int value = -1;
+	static gboolean old_state = FALSE;
+	struct ifreq ifr;
+	char buf[MAX_DRV_CMD_SIZE];
+	netconfig_wifi_priv_cmd priv_cmd;
+	int ret = 0;
+	int ioctl_sock = 0;
+	int pm_state = 0;
+	wifi_service_state_e wifi_state;
+	char error_buf[MAX_SIZE_ERROR_BUFFER] = {0, };
+
+	if (old_state == value) {
+		DBG("Old and new states are same");
+		return;
+	}
+
+	if (netconfig_vconf_get_int(VCONFKEY_PM_STATE, &pm_state) < 0)
+		ERR("Fail to get VCONFKEY_PM_STATE");
+
+	wifi_state = wifi_state_get_service_state();
+
+	if (value == TRUE &&
+			(pm_state < VCONFKEY_PM_STATE_LCDOFF ||
+			 wifi_state == NETCONFIG_WIFI_ASSOCIATION ||
+			 wifi_state == NETCONFIG_WIFI_CONFIGURATION)){
+		DBG("");
+		return;
+	}
+
+	memset(buf, 0, sizeof(buf));
+	snprintf(buf, sizeof(buf), "SETSUSPENDMODE %d", value);
+
+	memset(&ifr, 0, sizeof(struct ifreq));
+	g_strlcpy((char *)ifr.ifr_name, WIFI_IFNAME, IFNAMSIZ);
+
+	DBG("Early suspend command: [%s]", buf);
+
+	memset(&priv_cmd, 0, sizeof(priv_cmd));
+	priv_cmd.buf = buf;
+	priv_cmd.used_len = sizeof(buf);
+	priv_cmd.total_len = sizeof(buf);
+	ifr.ifr_data = (char *)&priv_cmd;
+
+	ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
+	if (ioctl_sock < 0) {
+		DBG("socket(PF_INET,SOCK_DGRAM) failed: %s",
+				strerror_r(errno, error_buf, MAX_SIZE_ERROR_BUFFER));
+		return;
+	}
+
+	ret = ioctl(ioctl_sock, WLAN_IOCTL_SUSPEND, &ifr);
+	if (ret < 0) {
+		ERR("Fail to issue private commands: %d. %s", ret,
+				strerror_r(errno, error_buf, MAX_SIZE_ERROR_BUFFER));
+	} else {
+		old_state = value;
+	}
+
+	close(ioctl_sock);
+}
+
+static void __pm_state_changed_cb(keynode_t* node, void* user_data)
+{
+	int new_state = -1;
 	int wifi_state = 0;
 	static int prev_state = VCONFKEY_PM_STATE_NORMAL;
 
-	/*** vconf-keys.h ***
-	 * 		VCONFKEY_PM_STATE_NORMAL = 1,
-	 * 		VCONFKEY_PM_STATE_LCDDIM,
-	 * 		VCONFKEY_PM_STATE_LCDOFF,
-	 * 		VCONFKEY_PM_STATE_SLEEP
+	if (netconfig_vconf_get_int(VCONFKEY_WIFI_STATE, &wifi_state) < 0) {
+		ERR("Fail to get VCONFKEY_WIFI_STATE");
+		return;
+	}
+
+	/* PM state
+	 *	VCONFKEY_PM_STATE_NORMAL = 1,
+	 *	VCONFKEY_PM_STATE_LCDDIM,
+	 *	VCONFKEY_PM_STATE_LCDOFF,
+	 *	VCONFKEY_PM_STATE_SLEEP
 	 */
+	if (node != NULL)
+		new_state = vconf_keynode_get_int(node);
+	else
+		netconfig_vconf_get_int(VCONFKEY_PM_STATE, &new_state);
 
-	if(vconf_get_int(VCONFKEY_WIFI_STATE, &wifi_state) == 0) {
-		DBG("wifi state : %d (0 off / 1 on / 2 connected)", wifi_state);
-		if(wifi_state <= VCONFKEY_WIFI_OFF)
-			return;
+	DBG("wifi state: %d (0 off / 1 on / 2 connected)", wifi_state);
+	DBG("Old PM state: %d, current: %d (1 normal / 2 lcddim / 3 lcdoff / 4 sleep)", prev_state, new_state);
+
+	if ((new_state == VCONFKEY_PM_STATE_NORMAL) && (prev_state >= VCONFKEY_PM_STATE_LCDOFF)) {
+		/* Send early suspend mode based on LCD state and disallow early suspend count */
+		if (wifi_state != VCONFKEY_WIFI_OFF) {
+			wifi_set_early_suspend(FALSE);
+			DBG("Unset early suspend");
+		}
+
+		netconfig_wifi_bgscan_stop();
+		netconfig_wifi_bgscan_set_interval(SCAN_EXPONENTIAL_MIN);
+		netconfig_wifi_bgscan_start(TRUE);
+	} else if ((new_state == VCONFKEY_PM_STATE_LCDOFF) && (prev_state < VCONFKEY_PM_STATE_LCDOFF) && (wifi_state != VCONFKEY_WIFI_OFF)) {
+		wifi_set_early_suspend(TRUE);
+		DBG("Set early suspend");
 	}
 
-	if(vconf_get_int(VCONFKEY_PM_STATE, &value) < 0) {
-		ERR("VCONFKEY_PM_STATE get failed");
+	prev_state = new_state;
+}
+
+static void __netconfig_telephony_ready_changed_cb(keynode_t * node, void *data)
+{
+	int telephony_ready = 0;
+
+	if (node != NULL)
+		telephony_ready = vconf_keynode_get_bool(node);
+	else
+		netconfig_vconf_get_bool(VCONFKEY_TELEPHONY_READY, &telephony_ready);
+
+	if (telephony_ready != 0) {
+		if (netconfig_tapi_check_sim_state() == FALSE) {
+			DBG("Sim is not initialized yet.");
+
+			goto done;
+		}
+	} else
 		return;
+
+	DBG("Turn Wi-Fi on automatically");
+
+#if defined TIZEN_WEARABLE
+	wifi_power_on_wearable(TRUE);
+#else
+	wifi_power_on();
+#endif
+
+done:
+	vconf_ignore_key_changed(VCONFKEY_TELEPHONY_READY, __netconfig_telephony_ready_changed_cb);
+}
+
+int wifi_power_driver_and_supplicant(gboolean enable)
+{
+	/* There are 3 thumb rules for Wi-Fi power management
+	 *   1. Do not make exposed API to control wpa_supplicant and driver directly.
+	 *      It probably breaks ConnMan technology operation.
+	 *
+	 *   2. Do not remove driver and wpa_supplicant if ConnMan already enabled.
+	 *      It breaks ConnMan technology operation.
+	 *
+	 *   3. Final the best rule: make it as simple as possible.
+	 *      Simple code enables easy maintenance and reduces logical errors.
+	 */
+	if (enable == TRUE) {
+		return _load_driver_and_supplicant();
+	} else {
+		if (connman_wifi_technology_state == TRUE)
+			return -ENOSYS;
+
+		return _remove_driver_and_supplicant();
 	}
+}
 
-	DBG("Old state: %d, current: %d", prev_state, value);
+void wifi_power_disable_technology_state_by_only_connman_signal(void)
+{
+	/* Important: it's only done by ConnMan technology signal update */
+	connman_wifi_technology_state = FALSE;
+}
 
-	if((value == VCONFKEY_PM_STATE_NORMAL) && (prev_state >= VCONFKEY_PM_STATE_LCDOFF)) {
-		DBG("PM state : Wake UP!");
+void wifi_power_recover_firmware(void)
+{
+	wifi_firmware_recovery_mode = TRUE;
 
-		netconfig_wifi_bgscan_stop();
-		netconfig_wifi_bgscan_start();
+	netconfig_wifi_bgscan_stop();
+
+	wifi_power_off();
+}
+
+int wifi_power_on(void)
+{
+	int err = 0;
+	wifi_tech_state_e tech_state;
+
+	tech_state = wifi_state_get_technology_state();
+	if (tech_state >= NETCONFIG_WIFI_TECH_POWERED) {
+		/* There can be a scenario where wifi is automatically *
+		 * activated by connman if wifi was powered in last boot. *
+		 * So we should update connman_wifi_technology_state variable *
+		 * if it is found that wifi_tech_state variable is *
+		 * NETCONFIG_WIFI_TECH_POWERED and connman_wifi_technology_state *
+		 * variable is FALSE. Earlier connman_wifi_technology_state *
+		 * variable was only updated when wifi was Powered on from *
+		 * net-config resulting in variable not getting updated. *
+		 * This caused wifi to not get deactivated after reboot if *
+		 * last power state was activated */
+		ERR("Net-Config WiFi connman technology state %d",
+				connman_wifi_technology_state);
+		if (connman_wifi_technology_state == FALSE)
+			connman_wifi_technology_state = TRUE;
+		return -EALREADY;
 	}
 
-	prev_state = value;
+	if (__is_wifi_restricted() == TRUE)
+		return -EPERM;
+
+	if (netconfig_is_wifi_tethering_on() == TRUE) {
+		/* TODO: Wi-Fi tethering turns off here */
+		/* return TRUE; */
+		ERR("Failed to turn tethering off");
+		return -EBUSY;
+	}
+
+	err = wifi_power_driver_and_supplicant(TRUE);
+	if (err < 0 && err != -EALREADY)
+		return err;
+
+	err = _set_connman_technology_power(TRUE);
+
+	return err;
 }
 
-void netconfig_set_power_in_progress(gboolean in_progress)
+int wifi_power_off(void)
 {
-	power_in_progress = in_progress;
+	int err;
+
+	err = _set_connman_technology_power(FALSE);
+	if (err == -EALREADY)
+		wifi_state_update_power_state(FALSE);
+
+	return 0;
 }
 
-void netconfig_check_fm_waiting(void)
+#if defined TIZEN_WEARABLE
+int wifi_power_on_wearable(gboolean device_picker_test)
 {
-	if (fm_waiting)
-		__netconfig_wifi_airplane_mode(NULL, NULL);
+	int err = 0;
+	wifi_tech_state_e tech_state;
+
+	tech_state = wifi_state_get_technology_state();
+	if (tech_state >= NETCONFIG_WIFI_TECH_POWERED)
+		return -EALREADY;
+
+	err = wifi_power_driver_and_supplicant(TRUE);
+	if (err < 0 && err != -EALREADY)
+		return err;
+
+	err = _set_connman_technology_power(TRUE);
+
+	if (device_picker_test == TRUE)
+		netconfig_wifi_enable_device_picker_test();
+
+	return err;
 }
+#endif
 
-void netconfig_wifi_power_configuration(void)
+void wifi_power_initialize(void)
 {
 	int wifi_last_power_state = 0;
 
+	/* Initialize Airplane mode */
+	netconfig_vconf_get_bool(VCONFKEY_TELEPHONY_FLIGHT_MODE, &airplane_mode);
+	DBG("Airplane[%s]", airplane_mode > 0 ? "ON" : "OFF");
+
+	/* Update the last Wi-Fi power state */
+	netconfig_vconf_get_int(VCONF_WIFI_LAST_POWER_STATE, &wifi_last_power_state);
+	if (wifi_last_power_state > VCONFKEY_WIFI_OFF) {
+		if (TIZEN_TELEPHONY_ENABLE) {
+			int telephony_ready = 0;
+			netconfig_vconf_get_bool(VCONFKEY_TELEPHONY_READY, &telephony_ready);
+			if (telephony_ready == 0) {
+				DBG("Telephony API is not initialized yet");
+				vconf_notify_key_changed(VCONFKEY_TELEPHONY_READY,
+						__netconfig_telephony_ready_changed_cb, NULL);
+			} else {
+				if (netconfig_tapi_check_sim_state() == FALSE)
+					DBG("SIM is not initialized yet");
+			}
+		}
+		DBG("Turn Wi-Fi on automatically");
+#if defined TIZEN_WEARABLE
+		wifi_power_on_wearable(TRUE);
+#else
+		wifi_power_on();
+#endif
+	}
+
+#if defined TIZEN_WEARABLE
 	vconf_notify_key_changed(VCONFKEY_TELEPHONY_FLIGHT_MODE,
 			__netconfig_wifi_airplane_mode, NULL);
+#else
+	vconf_notify_key_changed(VCONFKEY_SETAPPL_NETWORK_RESTRICT_MODE,
+			__netconfig_wifi_restrict_mode, NULL);
+	vconf_notify_key_changed(VCONFKEY_TELEPHONY_FLIGHT_MODE,
+			__netconfig_wifi_airplane_mode, NULL);
+#endif
 
-	vconf_notify_key_changed(VCONFKEY_PM_STATE,
-			__netconfig_wifi_pm_state_mode, NULL);
-
-	vconf_get_int(VCONF_WIFI_LAST_POWER_STATE, &wifi_last_power_state);
-
-	if (wifi_last_power_state == WIFI_POWER_ON) {
-		DBG("Turn Wi-Fi on automatically");
+	vconf_notify_key_changed(VCONFKEY_SETAPPL_PSMODE, __emergency_mode_changed_cb, NULL);
+	vconf_notify_key_changed(VCONFKEY_PM_STATE, __pm_state_changed_cb, NULL);
+}
 
-		__netconfig_wifi_try_to_load_driver();
-	}
+void wifi_power_deinitialize(void)
+{
 }
 
-gboolean netconfig_iface_wifi_load_driver(NetconfigWifi *wifi, GError **error)
+gboolean handle_load_driver(Wifi *wifi,
+		GDBusMethodInvocation *context, gboolean device_picker_test)
 {
+	int err;
+
 	DBG("Wi-Fi power on requested");
 
-	g_return_val_if_fail(wifi != NULL, FALSE);
+	g_return_val_if_fail(wifi != NULL, TRUE);
 
-	int err;
+	if (!netconfig_dpm_update_from_wifi()) {
+		DBG("DPM policy restricts Wi-Fi");
+		netconfig_error_permission_denied(context);
+		return TRUE;
+	}
 
-	if (netconfig_is_wifi_allowed() != TRUE) {
-		netconfig_error_security_restricted(error);
+	if (TIZEN_WLAN_BOARD_SPRD)
+		wifi_firmware_download();
 
-		return FALSE;
-	}
+#if defined TIZEN_WEARABLE
+	err = wifi_power_on_wearable(device_picker_test);
+#else
+	err = wifi_power_on();
 
-	if (power_in_progress) {
-		netconfig_error_wifi_driver_failed(error);
-		return FALSE;
+	if (device_picker_test == TRUE)
+		netconfig_wifi_enable_device_picker_test();
+#endif
+	if (err < 0) {
+		if (err == -EALREADY)
+			netconfig_error_already_exists(context);
+		else if (err == -EPERM)
+			netconfig_error_permission_denied(context);
+		else
+			netconfig_error_wifi_driver_failed(context);
+
+		return TRUE;
 	}
 
-	err = __netconfig_wifi_try_to_load_driver();
+
+	netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_AIRPLANE, 0);
+	__netconfig_set_wifi_bssid();
+
+	wifi_complete_load_driver(wifi, context);
+	return TRUE;
+}
+
+gboolean handle_remove_driver(Wifi *wifi, GDBusMethodInvocation *context)
+{
+	int err;
+
+	DBG("Wi-Fi power off requested");
+
+	g_return_val_if_fail(wifi != NULL, TRUE);
+
+	err = wifi_power_off();
 	if (err < 0) {
 		if (err == -EINPROGRESS)
-			netconfig_error_wifi_load_inprogress(error);
+			netconfig_error_inprogress(context);
+		else if (err == -EALREADY)
+			netconfig_error_already_exists(context);
+		else if (err == -EPERM)
+			netconfig_error_permission_denied(context);
 		else
-			netconfig_error_wifi_driver_failed(error);
-
-		return FALSE;
+			netconfig_error_wifi_driver_failed(context);
+		return TRUE;
 	}
 
+	netconfig_set_vconf_int(VCONF_WIFI_OFF_STATE_BY_AIRPLANE, 0);
+
+	wifi_complete_remove_driver(wifi, context);
 	return TRUE;
 }
 
-gboolean netconfig_iface_wifi_remove_driver(NetconfigWifi *wifi, GError **error)
+gboolean handle_load_p2p_driver(Wifi *wifi, GDBusMethodInvocation *context)
 {
-	DBG("Wi-Fi power off requested");
+	ERR("Deprecated");
 
-	g_return_val_if_fail(wifi != NULL, FALSE);
+	wifi_complete_load_p2p_driver(wifi, context);
+	return TRUE;
+}
 
-	if (power_in_progress) {
-		netconfig_error_wifi_driver_failed(error);
-		return FALSE;
+gboolean handle_remove_p2p_driver(Wifi *wifi, GDBusMethodInvocation *context)
+{
+	ERR("Deprecated");
+
+	wifi_complete_remove_p2p_driver(wifi, context);
+	return TRUE;
+}
+
+static int __netconfig_get_random_mac(unsigned char *mac_buf, int mac_len)
+{
+	DBG("Generate Random Mac address of ethernet");
+	FILE *fp;
+	int rc;
+
+	fp = fopen(OS_RANDOM_FILE, "rb");
+
+	if (fp == NULL) {
+		ERR("Could not open /dev/urandom");
+		return -1;
 	}
+	rc = fread(mac_buf, 1, mac_len, fp);
+	if (fp)
+		fclose(fp);
 
-	if (__netconfig_wifi_try_to_remove_driver() != TRUE) {
-		netconfig_error_wifi_driver_failed(error);
+	return rc != mac_len ? -1 : 0;
+}
 
-		return FALSE;
+void __netconfig_set_ether_macaddr()
+{
+	DBG("Set wired Mac address ");
+	char *mac_addr = NULL;
+	char rand_addr[WLAN_MAC_ADDR_MAX];
+	int rv = -1;
+
+	mac_addr = vconf_get_str(VCONF_ETH_MAC_ADDRESS);
+	if (mac_addr == NULL) {
+		DBG("vconf_get_str Failed\n");
+		return;
 	}
+	/* Checking Invalid MAC Address */
+	if ((strlen(mac_addr) == 0)) {
+		ERR("Failed to get valid MAC Address from vconf");
+		/*Generate the Random Mac address*/
+		unsigned char rand_mac_add[ETH_MAC_ADDR_SIZE+1];
+
+		if (__netconfig_get_random_mac(rand_mac_add, ETH_MAC_ADDR_SIZE) == -1) {
+
+			ERR("Could not generate the Random Mac address");
+			free(mac_addr);
+			return;
+		}
+
+		rand_mac_add[0] &= 0xFE; /*Clear multicase bit*/
+		rand_mac_add[0] |= 0x02; /*set local assignment bit*/
+
+		/*Set the Mac address in Vconf*/
+		snprintf(rand_addr, WLAN_MAC_ADDR_MAX, "%x:%x:%x:%x:%x:%x",
+				rand_mac_add[0], rand_mac_add[1],
+				rand_mac_add[2], rand_mac_add[3],
+				rand_mac_add[4], rand_mac_add[5]);
+
+		netconfig_set_vconf_str(VCONF_ETH_MAC_ADDRESS, rand_addr);
+	} else { /* Valid MAC address */
+		g_strlcpy(rand_addr, mac_addr, WLAN_MAC_ADDR_MAX);
+	}
+
+	DBG("MAC Address of eth0 [%s]", rand_addr);
+	const char *path = NET_EXEC_PATH;
+	char *const args[] = { "/sbin/ifconfig", "eth0", "hw",
+		"ether", rand_addr, "up", NULL};
+	char *const envs[] = { NULL };
+	rv = netconfig_execute_file(path, args, envs);
+
+	if (rv < 0)
+		ERR("Unable to execute system command");
+	free(mac_addr);
 
-	return TRUE;
 }