1 files changed, 80 insertions, 0 deletions

diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 711e00a0c9b5..9fbfb8536e75 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -744,3 +744,83 @@ int cfg80211_wext_giwencode(struct net_device *dev,
         return err;
 }
 EXPORT_SYMBOL_GPL(cfg80211_wext_giwencode);
+
+int cfg80211_wext_siwtxpower(struct net_device *dev,
+                             struct iw_request_info *info,
+                             union iwreq_data *data, char *extra)
+{
+        struct wireless_dev *wdev = dev->ieee80211_ptr;
+        struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+        enum tx_power_setting type;
+        int dbm = 0;
+
+        if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
+                return -EINVAL;
+        if (data->txpower.flags & IW_TXPOW_RANGE)
+                return -EINVAL;
+
+        if (!rdev->ops->set_tx_power)
+                return -EOPNOTSUPP;
+
+        /* only change when not disabling */
+        if (!data->txpower.disabled) {
+                if (data->txpower.fixed) {
+                        /*
+                         * wext doesn't support negative values, see
+                         * below where it's for automatic
+                         */
+                        if (data->txpower.value < 0)
+                                return -EINVAL;
+                        dbm = data->txpower.value;
+                        type = TX_POWER_FIXED;
+                        /* TODO: do regulatory check! */
+                } else {
+                        /*
+                         * Automatic power level setting, max being the value
+                         * passed in from userland.
+                         */
+                        if (data->txpower.value < 0) {
+                                type = TX_POWER_AUTOMATIC;
+                        } else {
+                                dbm = data->txpower.value;
+                                type = TX_POWER_LIMITED;
+                        }
+                }
+        } else {
+                type = TX_POWER_OFF;
+        }
+
+        return rdev->ops->set_tx_power(wdev->wiphy, type, dbm);;
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwtxpower);
+
+int cfg80211_wext_giwtxpower(struct net_device *dev,
+                             struct iw_request_info *info,
+                             union iwreq_data *data, char *extra)
+{
+        struct wireless_dev *wdev = dev->ieee80211_ptr;
+        struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+        int err, val;
+
+        if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
+                return -EINVAL;
+        if (data->txpower.flags & IW_TXPOW_RANGE)
+                return -EINVAL;
+
+        if (!rdev->ops->get_tx_power)
+                return -EOPNOTSUPP;
+
+        err = rdev->ops->get_tx_power(wdev->wiphy, &val);
+        /* HACK!!! */
+        if (err && err != -ENETDOWN)
+                return err;
+
+        /* well... oh well */
+        data->txpower.fixed = 1;
+        data->txpower.disabled = err == -ENETDOWN;
+        data->txpower.value = val;
+        data->txpower.flags = IW_TXPOW_DBM;
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwtxpower);