2 * Network Configuration Module
4 * Copyright (c) 2000 - 2012 Samsung Electronics Co., Ltd. All rights reserved.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
24 #include <sys/ioctl.h>
25 #include <netinet/in.h>
26 #include <netinet/ip.h>
27 #include <linux/wireless.h>
29 #include <vconf-keys.h>
34 #include "wifi-state.h"
35 #include "network-state.h"
36 #include "network-statistics.h"
37 #include "netsupplicant.h"
38 #include "wifi-indicator.h"
40 #define VCONFKEY_WIFI_SNR_MIN -89
42 #if !defined TIZEN_WEARABLE
43 #define WIFI_INDICATOR_INTERVAL 1
45 #define WIFI_INDICATOR_INTERVAL 10
48 #if defined TIZEN_WEARABLE
49 #define NETCONFIG_WIFI_DATA_ACTIVITY_BOOSTER_LEVEL1 (19200 * 1024)
50 #define NETCONFIG_WIFI_DATA_ACTIVITY_BOOSTER_LEVEL2 (2560 * 1024)
51 #define NETCONFIG_WIFI_DATA_ACTIVITY_BOOSTER_LEVEL3 (1536 * 1024)
53 #define NETCONFIG_WIFI_DATA_ACTIVITY_BOOSTER_LEVEL1 (19200 * 1024)
54 #define NETCONFIG_WIFI_DATA_ACTIVITY_BOOSTER_LEVEL2 (7680 * 1024)
55 #define NETCONFIG_WIFI_DATA_ACTIVITY_BOOSTER_LEVEL3 (3840 * 1024)
57 #define NETCONFIG_PROCWIRELESS "/proc/net/wireless"
59 static int netconfig_wifi_rssi = VCONFKEY_WIFI_SNR_MIN;
60 static guint netconfig_wifi_indicator_timer = 0;
62 int netconfig_wifi_get_rssi(void)
64 return netconfig_wifi_rssi;
67 static int __netconfig_wifi_update_and_get_rssi(void)
70 GVariant *message = NULL;
71 GVariant *value = NULL;
76 int rssi_dbm = VCONFKEY_WIFI_SNR_MIN;
78 if_path = netconfig_wifi_get_supplicant_interface();
79 if (if_path == NULL) {
80 ERR("Fail to get wpa_supplicant DBus path");
84 message = netconfig_invoke_dbus_method(SUPPLICANT_SERVICE, if_path,
85 SUPPLICANT_INTERFACE ".Interface", "SignalPoll", NULL);
86 if (message == NULL) {
87 ERR("Fail to get SignalPoll from wpa_supplicant");
92 g_variant_get(message, "(v)", &value);
94 g_variant_get(value, "a{sv}", &iter);
95 while (g_variant_iter_loop(iter, "{sv}", &key, &variant)) {
96 key_value = g_variant_get_int32(variant);
98 if (g_strcmp0(key, "rssi") == 0) {
99 rssi_dbm = (int)key_value;
100 DBG("Currently signal dbm value [%d]", rssi_dbm);
101 g_variant_unref(variant);
107 g_variant_iter_free(iter);
110 g_variant_unref(value);
112 g_variant_unref(message);
116 netconfig_wifi_rssi = rssi_dbm;
121 static int __netconfig_wifi_convert_dbm_to_level_24(int rssi_dbm)
125 /* Wi-Fi Signal Strength Display (for 2.4G (dB))
130 * Very weak : -83 ~ -88
136 else if (rssi_dbm >= -74)
138 else if (rssi_dbm >= -82)
140 else if (rssi_dbm >= -88)
148 static int __netconfig_wifi_convert_dbm_to_level_50(int rssi_dbm)
152 /* Wi-Fi Signal Strength Display (for 5G (dB))
157 * Very weak : -84 ~ -88
163 else if (rssi_dbm >= -78)
165 else if (rssi_dbm >= -83)
167 else if (rssi_dbm >= -88)
175 int netconfig_wifi_rssi_level(const int rssi_dbm)
181 ret = netconfig_vconf_get_int("memory/private/wifi/frequency", &freq);
183 if (!ret && freq > 4900)
184 snr_level = __netconfig_wifi_convert_dbm_to_level_50(rssi_dbm);
186 snr_level = __netconfig_wifi_convert_dbm_to_level_24(rssi_dbm);
191 static void __netconfig_wifi_set_rssi_level(const int snr_level)
193 static int last_snr_level = 0;
195 if (snr_level != last_snr_level) {
196 netconfig_set_vconf_int(VCONFKEY_WIFI_STRENGTH, snr_level);
197 last_snr_level = snr_level;
201 static void __netconfig_wifi_data_activity_booster(int level)
203 gboolean reply = FALSE;
204 GVariant *params = NULL;
212 static int old_level = 0;
221 params = g_variant_new("(ii)", level1, lock);
224 params = g_variant_new("(ii)", level2, lock);
227 params = g_variant_new("(ii)", level3, lock);
230 ERR("Invalid level");
234 reply = netconfig_invoke_dbus_method_nonblock(
235 "org.tizen.system.deviced",
236 "/Org/Tizen/System/DeviceD/PmQos",
237 "org.tizen.system.deviced.PmQos",
245 /* disable previous booster */
246 if (old_level == 0 || old_level == level)
251 params = g_variant_new("(ii)", level1, unlock);
254 params = g_variant_new("(ii)", level2, unlock);
257 params = g_variant_new("(ii)", level3, unlock);
260 ERR("Invalid level");
264 reply = netconfig_invoke_dbus_method_nonblock(
265 "org.tizen.system.deviced",
266 "/Org/Tizen/System/DeviceD/PmQos",
267 "org.tizen.system.deviced.PmQos",
277 static void __netconfig_wifi_update_indicator(void)
279 static int last_transfer_state = 0;
280 static guint64 netconfig_wifi_tx_bytes = 0;
281 static guint64 netconfig_wifi_rx_bytes = 0;
282 static int booster_tic = 0;
283 static int old_level = 0;
284 int booster_level = 0;
285 guint64 tx, rx, tx_diff, rx_diff;
288 if (netconfig_wifi_get_bytes_statistics(&tx, &rx) == TRUE) {
289 tx_diff = tx - netconfig_wifi_tx_bytes;
290 rx_diff = rx - netconfig_wifi_rx_bytes;
294 transfer_state = VCONFKEY_WIFI_TRANSFER_STATE_TXRX;
296 transfer_state = VCONFKEY_WIFI_TRANSFER_STATE_TX;
299 transfer_state = VCONFKEY_WIFI_TRANSFER_STATE_RX;
301 transfer_state = VCONFKEY_WIFI_TRANSFER_STATE_NONE;
304 if (transfer_state != last_transfer_state) {
305 netconfig_set_vconf_int(VCONFKEY_WIFI_TRANSFER_STATE, transfer_state);
306 last_transfer_state = transfer_state;
309 /* NETCONFIG_WIFI_DATA_ACTIVITY_BOOSTER */
310 if (tx_diff >= NETCONFIG_WIFI_DATA_ACTIVITY_BOOSTER_LEVEL1 ||
311 rx_diff >= NETCONFIG_WIFI_DATA_ACTIVITY_BOOSTER_LEVEL1)
313 else if (tx_diff >= NETCONFIG_WIFI_DATA_ACTIVITY_BOOSTER_LEVEL2 ||
314 rx_diff >= NETCONFIG_WIFI_DATA_ACTIVITY_BOOSTER_LEVEL2)
316 else if (tx_diff >= NETCONFIG_WIFI_DATA_ACTIVITY_BOOSTER_LEVEL3 ||
317 rx_diff >= NETCONFIG_WIFI_DATA_ACTIVITY_BOOSTER_LEVEL3)
320 if (old_level == booster_level) {
321 if (--booster_tic <= 0) {
322 __netconfig_wifi_data_activity_booster(booster_level);
327 __netconfig_wifi_data_activity_booster(booster_level);
329 if (booster_level > 0)
335 old_level = booster_level;
337 netconfig_wifi_tx_bytes = tx;
338 netconfig_wifi_rx_bytes = rx;
342 static gboolean __wifi_indicator_monitor(gpointer data)
346 int pm_state = VCONFKEY_PM_STATE_NORMAL;
348 if (wifi_state_get_service_state() != NETCONFIG_WIFI_CONNECTED)
351 /* In case of LCD off, we don't need to update Wi-Fi indicator */
352 netconfig_vconf_get_int(VCONFKEY_PM_STATE, &pm_state);
353 if (pm_state >= VCONFKEY_PM_STATE_LCDOFF)
356 rssi_dbm = __netconfig_wifi_update_and_get_rssi();
357 /* INFO("%d dbm", rssi_dbm); */
358 snr_level = netconfig_wifi_rssi_level(rssi_dbm);
359 __netconfig_wifi_set_rssi_level(snr_level);
361 __netconfig_wifi_update_indicator();
366 void netconfig_wifi_indicator_start(void)
368 INFO("Start Wi-Fi indicator");
370 netconfig_set_vconf_int(VCONFKEY_WIFI_STRENGTH, VCONFKEY_WIFI_STRENGTH_MAX);
371 netconfig_start_timer_seconds(WIFI_INDICATOR_INTERVAL, __wifi_indicator_monitor, NULL, &netconfig_wifi_indicator_timer);
374 void netconfig_wifi_indicator_stop(void)
376 INFO("Stop Wi-Fi indicator");
378 netconfig_stop_timer(&netconfig_wifi_indicator_timer);
380 netconfig_wifi_rssi = VCONFKEY_WIFI_SNR_MIN;