rt2x00: Introduce sta_add/remove callbacks
This implements a basic sta_add and sta_remove callback. Introduce a new
structure rt2x00_sta and ask mac80211 to allocate it as private part of
its ieee80211_sta. rt2x00_sta only contains the WCID for now.
The sta_add callback allows the driver to assign a WCID to a station
that is currently being added. The same wcid is also passed to the
sta_remove callback one mac80211 removes this STA.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index 9db9378..6a03f93 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -552,6 +552,39 @@
EXPORT_SYMBOL_GPL(rt2x00mac_set_key);
#endif /* CONFIG_RT2X00_LIB_CRYPTO */
+int rt2x00mac_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta);
+
+ /*
+ * If there's no space left in the device table store
+ * -1 as wcid but tell mac80211 everything went ok.
+ */
+ if (rt2x00dev->ops->lib->sta_add(rt2x00dev, vif, sta))
+ sta_priv->wcid = -1;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt2x00mac_sta_add);
+
+int rt2x00mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta);
+
+ /*
+ * If we never sent the STA to the device no need to clean it up.
+ */
+ if (sta_priv->wcid < 0)
+ return 0;
+
+ return rt2x00dev->ops->lib->sta_remove(rt2x00dev, sta_priv->wcid);
+}
+EXPORT_SYMBOL_GPL(rt2x00mac_sta_remove);
+
void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw)
{
struct rt2x00_dev *rt2x00dev = hw->priv;