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authorGertjan van Wingerde <gwingerde@gmail.com>2009-11-23 22:44:52 +0100
committerJohn W. Linville <linville@tuxdriver.com>2009-11-28 15:04:38 -0500
commite6218cc47bd54710dc523e8c983ceddba625e3ae (patch)
tree5ea8f107baab70b268eb0cc8d71b15a57838eb89 /drivers/net/wireless/rt2x00/rt2800pci.c
parent04d0362e2fa9d5f1ab560d0d59d04a535b4f3973 (diff)
rt2x00: Centralize setting of extra TX headroom requested by rt2x00.
Set the value of extra_tx_headroom in a central place, rather than in each of the drivers. This is preparatory for taking alignment space into account in the TX headroom requested by rt2x00. 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 'drivers/net/wireless/rt2x00/rt2800pci.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800pci.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 029a45f0cb9..dfc886fcb44 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -652,7 +652,7 @@ static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
{
struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
__le32 *txd = skbdesc->desc;
- __le32 *txwi = (__le32 *)(skb->data - rt2x00dev->hw->extra_tx_headroom);
+ __le32 *txwi = (__le32 *)(skb->data - rt2x00dev->ops->extra_tx_headroom);
u32 word;
/*
@@ -725,14 +725,14 @@ static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
rt2x00_set_field32(&word, TXD_W1_BURST,
test_bit(ENTRY_TXD_BURST, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W1_SD_LEN0,
- rt2x00dev->hw->extra_tx_headroom);
+ rt2x00dev->ops->extra_tx_headroom);
rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, 0);
rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0);
rt2x00_desc_write(txd, 1, word);
rt2x00_desc_read(txd, 2, &word);
rt2x00_set_field32(&word, TXD_W2_SD_PTR1,
- skbdesc->skb_dma + rt2x00dev->hw->extra_tx_headroom);
+ skbdesc->skb_dma + rt2x00dev->ops->extra_tx_headroom);
rt2x00_desc_write(txd, 2, word);
rt2x00_desc_read(txd, 3, &word);
@@ -1207,6 +1207,7 @@ static const struct rt2x00_ops rt2800pci_ops = {
.eeprom_size = EEPROM_SIZE,
.rf_size = RF_SIZE,
.tx_queues = NUM_TX_QUEUES,
+ .extra_tx_headroom = TXWI_DESC_SIZE,
.rx = &rt2800pci_queue_rx,
.tx = &rt2800pci_queue_tx,
.bcn = &rt2800pci_queue_bcn,