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Commit 07896fe2 authored by Helmut Schaa's avatar Helmut Schaa Committed by John W. Linville
Browse files

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: default avatarHelmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: default avatarIvo van Doorn <IvDoorn@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 4dee32f5

drivers/net/wireless/rt2x00/rt2x00dev.c

+30 −2
Original line number Diff line number Diff line
@@ -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)

{
@@ -197,6 +219,12 @@ 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_bc_buffer_iter,

					    rt2x00dev);



	/* fetch next beacon */

	ieee80211_iterate_active_interfaces(rt2x00dev->hw,

					    rt2x00lib_beacondone_iter,

					    rt2x00dev);