mac80211: move ieee80211_set_freq to utils

It really doesn't belong into the wireless extensions code.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

net/mac80211/ieee80211_i.h

@@ -893,7 +893,6 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
 
 /* wireless extensions */
 extern const struct iw_handler_def ieee80211_iw_handler_def;
-int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freq);
 
 /* STA/IBSS code */
 void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
@@ -1008,6 +1007,7 @@ void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
 		      int encrypt);
 void ieee802_11_parse_elems(u8 *start, size_t len,
 			    struct ieee802_11_elems *elems);
+int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freq);
 
 #ifdef CONFIG_MAC80211_NOINLINE
 #define debug_noinline noinline

net/mac80211/util.c

@@ -612,3 +612,31 @@ void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
 
 	dev_queue_xmit(skb);
 }
+
+int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freqMHz)
+{
+	int ret = -EINVAL;
+	struct ieee80211_channel *chan;
+	struct ieee80211_local *local = sdata->local;
+
+	chan = ieee80211_get_channel(local->hw.wiphy, freqMHz);
+
+	if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
+		if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
+		    chan->flags & IEEE80211_CHAN_NO_IBSS) {
+			printk(KERN_DEBUG "%s: IBSS not allowed on frequency "
+				"%d MHz\n", sdata->dev->name, chan->center_freq);
+			return ret;
+		}
+		local->oper_channel = chan;
+
+		if (local->sta_sw_scanning || local->sta_hw_scanning)
+			ret = 0;
+		else
+			ret = ieee80211_hw_config(local);
+
+		rate_control_clear(local);
+	}
+
+	return ret;
+}

net/mac80211/wext.c

@@ -330,34 +330,6 @@ static int ieee80211_ioctl_giwmode(struct net_device *dev,
 	return 0;
 }
 
-int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freqMHz)
-{
-	int ret = -EINVAL;
-	struct ieee80211_channel *chan;
-	struct ieee80211_local *local = sdata->local;
-
-	chan = ieee80211_get_channel(local->hw.wiphy, freqMHz);
-
-	if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
-		if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
-		    chan->flags & IEEE80211_CHAN_NO_IBSS) {
-			printk(KERN_DEBUG "%s: IBSS not allowed on frequency "
-				"%d MHz\n", sdata->dev->name, chan->center_freq);
-			return ret;
-		}
-		local->oper_channel = chan;
-
-		if (local->sta_sw_scanning || local->sta_hw_scanning)
-			ret = 0;
-		else
-			ret = ieee80211_hw_config(local);
-
-		rate_control_clear(local);
-	}
-
-	return ret;
-}
-
 static int ieee80211_ioctl_siwfreq(struct net_device *dev,
 				   struct iw_request_info *info,
 				   struct iw_freq *freq, char *extra)