diff options
| -rwxr-xr-x | gsupplicant/gsupplicant.h | 2 | ||||
| -rwxr-xr-x | gsupplicant/supplicant.c | 7 | ||||
| -rwxr-xr-x | plugins/wifi.c | 28 | ||||
| -rwxr-xr-x | src/main.c | 12 | ||||
| -rwxr-xr-x | src/main.conf | 4 |
5 files changed, 48 insertions, 5 deletions
diff --git a/gsupplicant/gsupplicant.h b/gsupplicant/gsupplicant.h index 05af5de1..6f4dca4a 100755 --- a/gsupplicant/gsupplicant.h +++ b/gsupplicant/gsupplicant.h @@ -305,7 +305,7 @@ typedef void (*GSupplicantInterfaceCallback) (int result, #if defined TIZEN_EXT typedef void (*GSupplicantMaxSpeedCallback) (int result, int maxspeed, - int strength, void *user_data); + int strength, int snr, void *user_data); #endif void g_supplicant_interface_cancel(GSupplicantInterface *interface); diff --git a/gsupplicant/supplicant.c b/gsupplicant/supplicant.c index 906f0ea7..17ea4502 100755 --- a/gsupplicant/supplicant.c +++ b/gsupplicant/supplicant.c @@ -6425,6 +6425,7 @@ static void interface_signalpoll_result(const char *error, int err = 0; dbus_int32_t maxspeed = 0; dbus_int32_t strength = 0; + dbus_int32_t snr = 0; DBusMessageIter sub_iter, dict; if (error) { @@ -6461,6 +6462,10 @@ static void interface_signalpoll_result(const char *error, dbus_message_iter_get_basic(&value, &strength); SUPPLICANT_DBG("Strength = %d", strength); break; + } else if (g_strcmp0(key, "SNR") == 0) { + dbus_message_iter_get_basic(&value, &snr); + SUPPLICANT_DBG("SNR = %d", snr); + break; } } dbus_message_iter_next(&dict); @@ -6468,7 +6473,7 @@ static void interface_signalpoll_result(const char *error, out: if(data->callback) - data->callback(err, maxspeed, strength, data->user_data); + data->callback(err, maxspeed, strength, snr, data->user_data); g_free(data->path); dbus_free(data); diff --git a/plugins/wifi.c b/plugins/wifi.c index 82168162..11f7007e 100755 --- a/plugins/wifi.c +++ b/plugins/wifi.c @@ -83,6 +83,8 @@ #if defined TIZEN_EXT #define WIFI_EAP_FAST_PAC_FILE "/var/lib/wifi/wifi.pac" /* path of Pac file for EAP-FAST */ +#define RSSI_LEVEL_2_5G -77 +#define RSSI_LEVEL_2_24G -75 #endif static struct connman_technology *wifi_technology = NULL; @@ -2178,7 +2180,8 @@ static void scan_callback(int result, GSupplicantInterface *interface, /* On error, let's recall scan_callback, which will cleanup */ return scan_callback(ret, interface, user_data); } - } + } else + wifi->allow_full_scan = false; #endif scanning = connman_device_get_scanning(device, CONNMAN_SERVICE_TYPE_WIFI); @@ -3964,9 +3967,10 @@ static void set_connection_mode(struct connman_network *network, } static void signalpoll_callback(int result, int maxspeed, int strength, - void *user_data) + int snr, void *user_data) { struct connman_network *network = user_data; + uint16_t freq = connman_network_get_frequency(network); if (result != 0) { DBG("Failed to get maxspeed from signalpoll !"); @@ -3978,13 +3982,31 @@ static void signalpoll_callback(int result, int maxspeed, int strength, if (strength > 100) strength = 100; - DBG("maxspeed = %d, strength = %d", maxspeed, strength); + DBG("maxspeed = %d, strength = %d, snr = %d", maxspeed, strength, snr); connman_network_set_strength(network, (uint8_t)strength); connman_network_set_maxspeed(network, maxspeed); set_connection_mode(network, maxspeed); connman_network_unref(network); + + /* If SNR is less than 20 or RSSI level is less than 3, + * scan for BSS transition is started. + * */ + if (connman_setting_get_bool("WifiRoamingScan") == false) + return; + + if (snr < 20 && snr != 0) + goto scan; + else if (freq > 4900 && strength <= RSSI_LEVEL_2_5G) + goto scan; + else if (freq <= 4900 && strength <= RSSI_LEVEL_2_24G) + goto scan; + + return; + +scan: + throw_wifi_scan(connman_network_get_device(network), scan_callback); } static int network_signalpoll(struct wifi_data *wifi) @@ -107,6 +107,7 @@ static struct { bool file_log; bool dlog_log; bool simple_log; + bool wifi_roam_scan; #endif } connman_settings = { .bg_scan = true, @@ -140,6 +141,7 @@ static struct { .file_log = true, .dlog_log = true, .simple_log = true, + .wifi_roam_scan = true, #endif }; @@ -230,6 +232,7 @@ static struct { #define CONF_CONNMAN_FILE_LOG "FileLogging" #define CONF_CONNMAN_DLOG_LOG "DlogLogging" #define CONF_CONNMAN_SIMPLIFIED_LOG "SimplifiedLog" +#define CONF_CONNMAN_WIFI_ROAM_SCAN "WifiRoamingScan" #endif #if defined TIZEN_EXT @@ -291,6 +294,7 @@ static const char *supported_options[] = { CONF_CONNMAN_FILE_LOG, CONF_CONNMAN_DLOG_LOG, CONF_CONNMAN_SIMPLIFIED_LOG, + CONF_CONNMAN_WIFI_ROAM_SCAN, #endif NULL }; @@ -697,6 +701,11 @@ static void check_Tizen_configuration(GKeyFile *config) if (!error) connman_settings.simple_log = boolean; + boolean = __connman_config_get_bool(config, "General", + CONF_CONNMAN_WIFI_ROAM_SCAN, &error); + if (!error) + connman_settings.wifi_roam_scan = boolean; + g_clear_error(&error); check_Tizen_INS_configuration(config); @@ -1183,6 +1192,9 @@ bool connman_setting_get_bool(const char *key) if (g_str_equal(key, CONF_CONNMAN_SIMPLIFIED_LOG)) return connman_settings.simple_log; + + if (g_str_equal(key, CONF_CONNMAN_WIFI_ROAM_SCAN)) + return connman_settings.wifi_roam_scan; #endif #if defined TIZEN_EXT diff --git a/src/main.conf b/src/main.conf index 555225f0..6763d71b 100755 --- a/src/main.conf +++ b/src/main.conf @@ -185,6 +185,10 @@ SimplifiedLog = true # Default value is wlan0. DefaultWifiInterface = wlan0 +# Allow ConnMan to start scan for wifi roaming when SNR and signal are weakened +# Default value is true. +WifiRoamingScan = true + [INS] # INS(Intelligent Network Selection) configuration: BSSID Selection. INSPreferredFreqBSSID = 5GHz |