rt2x00: Reorganize beacon handling

With the new beacon handling from mac80211 we can
reorganize the beacon handling in rt2x00 as well.
This patch will move the function to the TX handlers,
and move all duplicate code into rt2x00queue.c.

After this change the descriptor helper functions
from rt2x00queue.c no longer need to be exported
outside of rt2x00lib and can be declared static.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 44 insertions, 71 deletions

diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 65720097242..6f89b4c75e1 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -1334,6 +1334,49 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	rt2x00_desc_write(txd, 0, word);
 }
 
+/*
+ * TX data initialization
+ */
+static void rt73usb_write_beacon(struct queue_entry *entry)
+{
+	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
+	unsigned int beacon_base;
+	u32 reg;
+
+	/*
+	 * Add the descriptor in front of the skb.
+	 */
+	skb_push(entry->skb, entry->queue->desc_size);
+	memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len);
+	skbdesc->desc = entry->skb->data;
+
+	/*
+	 * Disable beaconing while we are reloading the beacon data,
+	 * otherwise we might be sending out invalid data.
+	 */
+	rt73usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
+	rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 0);
+	rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 0);
+	rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
+	rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
+
+	/*
+	 * Write entire beacon with descriptor to register.
+	 */
+	beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
+	rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE,
+				 USB_VENDOR_REQUEST_OUT, beacon_base, 0,
+				 entry->skb->data, entry->skb->len,
+				 REGISTER_TIMEOUT32(entry->skb->len));
+
+	/*
+	 * Clean up the beacon skb.
+	 */
+	dev_kfree_skb(entry->skb);
+	entry->skb = NULL;
+}
+
 static int rt73usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev,
 				   struct sk_buff *skb)
 {
@@ -1349,9 +1392,6 @@ static int rt73usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev,
 	return length;
 }
 
-/*
- * TX data initialization
- */
 static void rt73usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
 				  const enum data_queue_qid queue)
 {
@@ -1949,73 +1989,6 @@ static u64 rt73usb_get_tsf(struct ieee80211_hw *hw)
 #define rt73usb_get_tsf	NULL
 #endif
 
-static int rt73usb_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
-{
-	struct rt2x00_dev *rt2x00dev = hw->priv;
-	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-	struct rt2x00_intf *intf = vif_to_intf(tx_info->control.vif);
-	struct skb_frame_desc *skbdesc;
-	struct txentry_desc txdesc;
-	unsigned int beacon_base;
-	u32 reg;
-
-	if (unlikely(!intf->beacon))
-		return -ENOBUFS;
-
-	/*
-	 * Copy all TX descriptor information into txdesc,
-	 * after that we are free to use the skb->cb array
-	 * for our information.
-	 */
-	intf->beacon->skb = skb;
-	rt2x00queue_create_tx_descriptor(intf->beacon, &txdesc);
-
-	/*
-	 * Add the descriptor in front of the skb.
-	 */
-	skb_push(skb, intf->beacon->queue->desc_size);
-	memset(skb->data, 0, intf->beacon->queue->desc_size);
-
-	/*
-	 * Fill in skb descriptor
-	 */
-	skbdesc = get_skb_frame_desc(skb);
-	memset(skbdesc, 0, sizeof(*skbdesc));
-	skbdesc->desc = skb->data;
-	skbdesc->desc_len = intf->beacon->queue->desc_size;
-	skbdesc->entry = intf->beacon;
-
-	/*
-	 * Disable beaconing while we are reloading the beacon data,
-	 * otherwise we might be sending out invalid data.
-	 */
-	rt73usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
-	rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 0);
-	rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 0);
-	rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
-	rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
-
-	/*
-	 * Write entire beacon with descriptor to register,
-	 * and kick the beacon generator.
-	 */
-	rt2x00queue_write_tx_descriptor(intf->beacon, &txdesc);
-	beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
-	rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE,
-				 USB_VENDOR_REQUEST_OUT, beacon_base, 0,
-				 skb->data, skb->len,
-				 REGISTER_TIMEOUT32(skb->len));
-	rt73usb_kick_tx_queue(rt2x00dev, QID_BEACON);
-
-	/*
-	 * Clean up the beacon skb.
-	 */
-	dev_kfree_skb(skb);
-	intf->beacon->skb = NULL;
-
-	return 0;
-}
-
 static const struct ieee80211_ops rt73usb_mac80211_ops = {
 	.tx			= rt2x00mac_tx,
 	.start			= rt2x00mac_start,
@@ -2048,10 +2021,10 @@ static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {
 	.link_tuner		= rt73usb_link_tuner,
 	.write_tx_desc		= rt73usb_write_tx_desc,
 	.write_tx_data		= rt2x00usb_write_tx_data,
+	.write_beacon		= rt73usb_write_beacon,
 	.get_tx_data_len	= rt73usb_get_tx_data_len,
 	.kick_tx_queue		= rt73usb_kick_tx_queue,
 	.fill_rxdone		= rt73usb_fill_rxdone,
-	.beacon_update		= rt73usb_beacon_update,
 	.config_filter		= rt73usb_config_filter,
 	.config_intf		= rt73usb_config_intf,
 	.config_erp		= rt73usb_config_erp,