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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>
hifive-unleashed-5.1
Helmut Schaa 2010-07-11 12:27:58 +02:00 committed by John W. Linville
parent 4dee32f51b
commit 07896fe2f4
1 changed files with 30 additions and 2 deletions
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32
drivers/net/wireless/rt2x00/rt2x00dev.c
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@ -178,6 +178,28 @@ static void rt2x00lib_intf_scheduled(struct work_struct *work)
/*
* 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 @@ void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev)
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);