rt2x00: Implement broad- and multicast buffering
Although mac80211 buffers broad- and mutlicast frames for us in AP mode
we still have to send them out after a DTIM beacon. Implement this
behavior by sending out the buffered frames when the beacondone
interrupt is processed.
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/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index e255725..ae0adff 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -178,6 +178,28 @@
/*
* Interrupt context handlers.
*/
+static void rt2x00lib_bc_buffer_iter(void *data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct rt2x00_dev *rt2x00dev = data;
+ struct sk_buff *skb;
+
+ /*
+ * Only AP mode interfaces do broad- and multicast buffering
+ */
+ if (vif->type != NL80211_IFTYPE_AP)
+ return;
+
+ /*
+ * Send out buffered broad- and multicast frames
+ */
+ skb = ieee80211_get_buffered_bc(rt2x00dev->hw, vif);
+ while (skb) {
+ rt2x00mac_tx(rt2x00dev->hw, skb);
+ skb = ieee80211_get_buffered_bc(rt2x00dev->hw, vif);
+ }
+}
+
static void rt2x00lib_beacondone_iter(void *data, u8 *mac,
struct ieee80211_vif *vif)
{
@@ -197,9 +219,15 @@
if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
return;
+ /* send buffered bc/mc frames out for every bssid */
ieee80211_iterate_active_interfaces(rt2x00dev->hw,
- rt2x00lib_beacondone_iter,
- rt2x00dev);
+ rt2x00lib_bc_buffer_iter,
+ rt2x00dev);
+
+ /* fetch next beacon */
+ ieee80211_iterate_active_interfaces(rt2x00dev->hw,
+ rt2x00lib_beacondone_iter,
+ rt2x00dev);
}
EXPORT_SYMBOL_GPL(rt2x00lib_beacondone);