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path: root/package/mac80211/patches/313-rt2x00-Add-TXWI-to-DMA-size-rt2800usb.patch
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From fa9b5f135ba5e7877d1e3e970d39fcfa07f4004b Mon Sep 17 00:00:00 2001
From: Ivo van Doorn <IvDoorn@gmail.com>
Date: Sat, 10 Jan 2009 20:07:13 +0100
Subject: [PATCH] rt2x00: Add TXWI to DMA size (rt2800usb)

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
---
 drivers/net/wireless/rt2x00/rt2800usb.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -1684,7 +1684,8 @@ static void rt2800usb_write_tx_desc(stru
 	 * Initialize TX descriptor
 	 */
 	rt2x00_desc_read(txi, 0, &word);
-	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN, skb->len);
+	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
+			   roundup(skb->len + TXWI_DESC_SIZE, 4));
 	rt2x00_set_field32(&word, TXINFO_W0_WIV, 1);
 	rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
 	rt2x00_set_field32(&word, TXINFO_W0_SW_USE_LAST_ROUND, 0);