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authorGertjan van Wingerde <gwingerde@gmail.com>2010-05-08 23:40:26 +0200
committerJohn W. Linville <linville@tuxdriver.com>2010-05-10 14:56:49 -0400
commit3b9f0ed78cf2eb678edd60d74a4a36f5947d003d (patch)
tree984eda3371e142b3d96669686f84901da0928463 /drivers/net/wireless/rt2x00/rt2800usb.c
parentrt2x00: provide beacon's txdesc to write_beacon callback function. (diff)
downloadlinux-dev-3b9f0ed78cf2eb678edd60d74a4a36f5947d003d.tar.xz
linux-dev-3b9f0ed78cf2eb678edd60d74a4a36f5947d003d.zip
rt2x00: Fix beaconing on rt2800.
According to the Ralink vendor driver for rt2800 we don't need a full TXD for a beacon but just a TXWI in front of the actual beacon. Fix the rt2800pci and rt2800usb beaconing code accordingly. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to '')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800usb.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index d992a9352ed7..00e7906dc208 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -431,18 +431,10 @@ static void rt2800usb_write_beacon(struct queue_entry *entry,
struct txentry_desc *txdesc)
{
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.
*/
@@ -451,6 +443,12 @@ static void rt2800usb_write_beacon(struct queue_entry *entry,
rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
/*
+ * Add the TXWI for the beacon to the skb.
+ */
+ rt2800_write_txwi(entry->skb, txdesc);
+ skb_push(entry->skb, TXWI_DESC_SIZE);
+
+ /*
* Write entire beacon with descriptor to register.
*/
beacon_base = HW_BEACON_OFFSET(entry->entry_idx);