static void
dispose (GObject *object)
{
NMDeviceOlpcMesh *self = NM_DEVICE_OLPC_MESH (object);
NMDeviceOlpcMeshPrivate *priv = NM_DEVICE_OLPC_MESH_GET_PRIVATE (self);
NMManager *manager;
if (priv->dispose_has_run) {
G_OBJECT_CLASS (nm_device_olpc_mesh_parent_class)->dispose (object);
return;
}
priv->dispose_has_run = TRUE;
if (priv->wifi_data)
wifi_utils_deinit (priv->wifi_data);
device_cleanup (self);
manager = nm_manager_get ();
if (priv->device_added_id)
g_signal_handler_disconnect (manager, priv->device_added_id);
g_object_unref (manager);
G_OBJECT_CLASS (nm_device_olpc_mesh_parent_class)->dispose (object);
}
WifiData *
wifi_wext_init (const char *iface, int ifindex, gboolean check_scan)
{
WifiDataWext *wext;
struct iw_range range;
guint32 response_len = 0;
struct iw_range_with_scan_capa *scan_capa_range;
int i;
gboolean freq_valid = FALSE, has_5ghz = FALSE, has_2ghz = FALSE;
wext = wifi_data_new (iface, ifindex, sizeof (*wext));
wext->parent.get_mode = wifi_wext_get_mode;
wext->parent.set_mode = wifi_wext_set_mode;
wext->parent.set_powersave = wifi_wext_set_powersave;
wext->parent.get_freq = wifi_wext_get_freq;
wext->parent.find_freq = wifi_wext_find_freq;
wext->parent.get_bssid = wifi_wext_get_bssid;
wext->parent.get_rate = wifi_wext_get_rate;
wext->parent.get_qual = wifi_wext_get_qual;
wext->parent.deinit = wifi_wext_deinit;
wext->parent.get_mesh_channel = wifi_wext_get_mesh_channel;
wext->parent.set_mesh_channel = wifi_wext_set_mesh_channel;
wext->parent.set_mesh_ssid = wifi_wext_set_mesh_ssid;
wext->fd = socket (PF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
if (wext->fd < 0)
goto error;
memset (&range, 0, sizeof (struct iw_range));
if (wext_get_range (wext, &range, &response_len) == FALSE) {
nm_log_info (LOGD_PLATFORM | LOGD_WIFI, "(%s): driver WEXT range request failed",
wext->parent.iface);
goto error;
}
if ((response_len < 300) || (range.we_version_compiled < 21)) {
nm_log_info (LOGD_PLATFORM | LOGD_WIFI,
"(%s): driver WEXT version too old (got %d, expected >= 21)",
wext->parent.iface,
range.we_version_compiled);
goto error;
}
wext->max_qual.qual = range.max_qual.qual;
wext->max_qual.level = range.max_qual.level;
wext->max_qual.noise = range.max_qual.noise;
wext->max_qual.updated = range.max_qual.updated;
wext->num_freqs = MIN (range.num_frequency, IW_MAX_FREQUENCIES);
for (i = 0; i < wext->num_freqs; i++) {
wext->freqs[i] = iw_freq_to_uint32 (&range.freq[i]);
freq_valid = TRUE;
if (wext->freqs[i] > 2400 && wext->freqs[i] < 2500)
has_2ghz = TRUE;
else if (wext->freqs[i] > 4900 && wext->freqs[i] < 6000)
has_5ghz = TRUE;
}
/* Check for scanning capability; cards that can't scan are not supported */
if (check_scan && (wext_can_scan (wext) == FALSE)) {
nm_log_info (LOGD_PLATFORM | LOGD_WIFI,
"(%s): drivers that cannot scan are unsupported",
wext->parent.iface);
goto error;
}
/* Check for the ability to scan specific SSIDs. Until the scan_capa
* field gets added to wireless-tools, need to work around that by casting
* to the custom structure.
*/
scan_capa_range = (struct iw_range_with_scan_capa *) ⦥
if (scan_capa_range->scan_capa & NM_IW_SCAN_CAPA_ESSID) {
nm_log_info (LOGD_PLATFORM | LOGD_WIFI,
"(%s): driver supports SSID scans (scan_capa 0x%02X).",
wext->parent.iface,
scan_capa_range->scan_capa);
} else {
nm_log_info (LOGD_PLATFORM | LOGD_WIFI,
"(%s): driver does not support SSID scans (scan_capa 0x%02X).",
wext->parent.iface,
scan_capa_range->scan_capa);
}
wext->parent.caps = wext_get_caps (wext, &range);
if (freq_valid)
wext->parent.caps |= NM_WIFI_DEVICE_CAP_FREQ_VALID;
if (has_2ghz)
wext->parent.caps |= NM_WIFI_DEVICE_CAP_FREQ_2GHZ;
if (has_5ghz)
wext->parent.caps |= NM_WIFI_DEVICE_CAP_FREQ_5GHZ;
nm_log_info (LOGD_PLATFORM | LOGD_WIFI,
"(%s): using WEXT for WiFi device control",
wext->parent.iface);
return (WifiData *) wext;
error:
wifi_utils_deinit ((WifiData *) wext);
return NULL;
}
