static int cfg80211_wext_siwfreq(struct net_device *dev,
struct iw_request_info *info,
struct iw_freq *wextfreq, char *extra)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
int freq, err;
switch (wdev->iftype) {
case NL80211_IFTYPE_STATION:
return cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra);
case NL80211_IFTYPE_ADHOC:
return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra);
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_WDS:
case NL80211_IFTYPE_MESH_POINT:
freq = cfg80211_wext_freq(wdev->wiphy, wextfreq);
if (freq < 0)
return freq;
if (freq == 0)
return -EINVAL;
mutex_lock(&rdev->devlist_mtx);
wdev_lock(wdev);
err = cfg80211_set_freq(rdev, wdev, freq, NL80211_CHAN_NO_HT);
wdev_unlock(wdev);
mutex_unlock(&rdev->devlist_mtx);
return err;
default:
return -EOPNOTSUPP;
}
}
static int iwm_wext_siwfreq(struct net_device *dev,
struct iw_request_info *info,
struct iw_freq *freq, char *extra)
{
struct iwm_priv *iwm = ndev_to_iwm(dev);
if (freq->flags == IW_FREQ_AUTO)
return 0;
/* frequency/channel can only be set in IBSS mode */
if (iwm->conf.mode != UMAC_MODE_IBSS)
return -EOPNOTSUPP;
return cfg80211_ibss_wext_siwfreq(dev, info, freq, extra);
}
static int cfg80211_wext_siwfreq(struct net_device *dev,
struct iw_request_info *info,
struct iw_freq *wextfreq, char *extra)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
struct cfg80211_chan_def chandef = {
.width = NL80211_CHAN_WIDTH_20_NOHT,
};
int freq;
switch (wdev->iftype) {
case NL80211_IFTYPE_STATION:
return cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra);
case NL80211_IFTYPE_ADHOC:
return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra);
case NL80211_IFTYPE_MONITOR:
freq = cfg80211_wext_freq(wextfreq);
if (freq < 0)
return freq;
if (freq == 0)
return -EINVAL;
chandef.center_freq1 = freq;
chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq);
if (!chandef.chan)
return -EINVAL;
return cfg80211_set_monitor_channel(rdev, &chandef);
case NL80211_IFTYPE_MESH_POINT:
freq = cfg80211_wext_freq(wextfreq);
if (freq < 0)
return freq;
if (freq == 0)
return -EINVAL;
chandef.center_freq1 = freq;
chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq);
if (!chandef.chan)
return -EINVAL;
return cfg80211_set_mesh_channel(rdev, wdev, &chandef);
default:
return -EOPNOTSUPP;
}
}