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rt2x00: Decrease alignment headroom

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We only need 4 bytes of headroom for alignment
purposes in the RX frame. It was previously higher
for optimization purposes which are no longer
possible due to DMA mappings.

v2: Fix patch error

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ivo van Doorn
2008-07-04 14:56:07 +02:00
committed by John W. Linville
parent 50db7875d9
commit ff352391ac
1 changed files with 4 additions and 3 deletions
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7
drivers/net/wireless/rt2x00/rt2x00queue.c
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@@ -45,10 +45,11 @@ struct sk_buff *rt2x00queue_alloc_rxskb(struct rt2x00_dev *rt2x00dev,
frame_size = entry->queue->data_size + entry->queue->desc_size; frame_size = entry->queue->data_size + entry->queue->desc_size;
/* /*
* Reserve a few bytes extra headroom to allow drivers some moving * The payload should be aligned to a 4-byte boundary,
* space (e.g. for alignment), while keeping the skb aligned. * this means we need at least 3 bytes for moving the frame
* into the correct offset.
*/ */
reserved_size = 8; reserved_size = 4;
/* /*
* Allocate skbuffer. * Allocate skbuffer.