diff options
| author | Ivo van Doorn <ivdoorn@gmail.com> | 2008-07-04 14:56:07 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-07-08 14:16:04 -0400 |
| commit | ff352391acfac1e183c8c8b2858f9393bd064a65 (patch) | |
| tree | 33beda14985f49a09fed0a7d9ff2339554f8471a /drivers/net/wireless/rt2x00/rt2x00queue.c | |
| parent | 50db7875d9dcd89f7624b13535738612faf8db0c (diff) | |
| download | op-kernel-dev-ff352391acfac1e183c8c8b2858f9393bd064a65.zip op-kernel-dev-ff352391acfac1e183c8c8b2858f9393bd064a65.tar.gz | |
rt2x00: Decrease alignment headroom
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>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00queue.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index 8e86611..3ddce53 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -45,10 +45,11 @@ struct sk_buff *rt2x00queue_alloc_rxskb(struct rt2x00_dev *rt2x00dev, frame_size = entry->queue->data_size + entry->queue->desc_size; /* - * Reserve a few bytes extra headroom to allow drivers some moving - * space (e.g. for alignment), while keeping the skb aligned. + * The payload should be aligned to a 4-byte boundary, + * this means we need at least 3 bytes for moving the frame + * into the correct offset. */ - reserved_size = 8; + reserved_size = 4; /* * Allocate skbuffer. |
