static
void tb80211_update_freq(void)
{
static unsigned int tb80211_freq_cnt;
unsigned int i;
gchar *str;
gint32 oldfreq = 0;
for (i = 0; i < tb80211_freq_cnt; i++) {
gtk_combo_box_text_remove(GTK_COMBO_BOX_TEXT(tb80211_freq_list_box), 0);
}
oldfreq = tb80211_current_freq;
tb80211_current_freq = -1;
if (!tb80211_current_iface)
return;
tb80211_freq_cnt = tb80211_current_iface->frequencies->len;
for (i = 0; i < tb80211_freq_cnt; i++) {
int freq;
freq = g_array_index(tb80211_current_iface->frequencies, int, i);
str = g_strdup_printf("%d MHz (%d)", freq, ws80211_frequency_to_channel(freq));
gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(tb80211_freq_list_box), str);
g_free(str);
if (freq == oldfreq) {
gtk_combo_box_set_active(GTK_COMBO_BOX(tb80211_freq_list_box), i);
tb80211_current_freq = oldfreq;
}
}
}
void WirelessFrame::on_interfaceComboBox_currentIndexChanged(const QString &cur_iface)
{
ui->channelComboBox->clear();
ui->channelTypeComboBox->clear();
if (cur_iface.isEmpty()) {
updateWidgets();
return;
}
for (guint i = 0; i < interfaces_->len; i++) {
struct ws80211_interface *iface = g_array_index(interfaces_, struct ws80211_interface *, i);
if (cur_iface.compare(iface->ifname) == 0) {
struct ws80211_iface_info iface_info;
QString units = " GHz";
ws80211_get_iface_info(iface->ifname, &iface_info);
for (guint i = 0; i < iface->frequencies->len; i++) {
guint32 frequency = g_array_index(iface->frequencies, guint32, i);
double ghz = frequency / 1000.0;
QString chan_str = QString("%1 " UTF8_MIDDLE_DOT " %2%3")
.arg(ws80211_frequency_to_channel(frequency))
.arg(ghz, 0, 'f', 3)
.arg(units);
ui->channelComboBox->addItem(chan_str, frequency);
if ((int)frequency == iface_info.current_freq) {
ui->channelComboBox->setCurrentIndex(ui->channelComboBox->count() - 1);
}
units = QString();
}
// XXX - Do we need to make a distinction between WS80211_CHAN_NO_HT
// and WS80211_CHAN_HT20? E.g. is there a driver that won't capture
// HT frames if you use WS80211_CHAN_NO_HT?
ui->channelTypeComboBox->addItem("20 MHz", WS80211_CHAN_NO_HT);
if (iface_info.current_chan_type == WS80211_CHAN_NO_HT || iface_info.current_chan_type == WS80211_CHAN_HT20) {
ui->channelTypeComboBox->setCurrentIndex(0);
}
if (iface->channel_types & (1 << WS80211_CHAN_HT40MINUS)) {
ui->channelTypeComboBox->addItem("HT 40-", WS80211_CHAN_HT40MINUS);
if (iface_info.current_chan_type == WS80211_CHAN_HT40MINUS) {
ui->channelTypeComboBox->setCurrentIndex(ui->channelTypeComboBox->count() - 1);
}
}
if (iface->channel_types & (1 << WS80211_CHAN_HT40PLUS)) {
ui->channelTypeComboBox->addItem("HT 40+", WS80211_CHAN_HT40PLUS);
if (iface_info.current_chan_type == WS80211_CHAN_HT40PLUS) {
ui->channelTypeComboBox->setCurrentIndex(ui->channelTypeComboBox->count() - 1);
}
}
if (ws80211_has_fcs_filter()) {
ui->fcsComboBox->setCurrentIndex(iface_info.current_fcs_validation);
}
}
}
updateWidgets();
}
/* Called on freq and type combo box change. */
static void
tb80211_set_channel(void)
{
gchar *info = NULL;
int err, selected_chan, new_type, new_freq;
GtkComboBox *freq_combo = GTK_COMBO_BOX(tb80211_freq_list_box);
GtkComboBox *type_combo = GTK_COMBO_BOX(tb80211_chan_type_box);
selected_chan = gtk_combo_box_get_active(freq_combo);
if (selected_chan < 0)
return;
new_freq = g_array_index(tb80211_current_iface->frequencies, int, selected_chan);
new_type = get_selected_channel_type();
err = tb80211_do_set_channel(tb80211_current_iface->ifname, new_freq, new_type);
if (err) {
info = g_strdup_printf("<b>Failed to set channel: %s</b>", g_strerror(abs(err)));
/* Try to set back to last working chan */
err = tb80211_do_set_channel(tb80211_current_iface->ifname, tb80211_current_freq, tb80211_current_type);
if (err) {
gtk_combo_box_set_active(freq_combo, -1);
gtk_combo_box_set_active(type_combo, -1);
tb80211_current_freq = -1;
tb80211_current_type = -1;
}
else {
tb80211_update_freq_and_type();
}
}
else {
info = g_strdup_printf("%s Switched to %d MHz (%d)", tb80211_current_iface->ifname, new_freq, ws80211_frequency_to_channel(new_freq));
tb80211_current_freq = new_freq;
tb80211_current_type = new_type;
}
tb80211_set_info(info);
g_free(info);
}
