+static void ieee80211_handle_erp_ie(struct net_device *dev, u8 erp_value)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+ int use_protection = (erp_value & WLAN_ERP_USE_PROTECTION) != 0;
+
+ if (use_protection != !!ifsta->use_protection) {
+ if (net_ratelimit()) {
+ printk(KERN_DEBUG "%s: CTS protection %s (BSSID="
+ MAC_FMT ")\n",
+ dev->name,
+ use_protection ? "enabled" : "disabled",
+ MAC_ARG(ifsta->bssid));
+ }
+ ifsta->use_protection = use_protection ? 1 : 0;
+ local->cts_protect_erp_frames = use_protection;
+ }
+}
+
+