From 85b7a8b3871bde7885516fed2a1c8da699913318 Mon Sep 17 00:00:00 2001 From: Gertjan van Wingerde Date: Tue, 11 May 2010 23:51:40 +0200 Subject: rt2x00: Simplify TXD handling of beacons. The handling of tx descriptors for beacons can be simplified by updating write_tx_desc implementations of each driver to write directly to the queue entry descriptor instead of to a provided memory area. This is also a preparation for further clean ups where descriptors are properly reserved in the skb instead of fiddling with the skb data pointer. Signed-off-by: Gertjan van Wingerde Acked-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2800pci.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) (limited to 'drivers/net/wireless/rt2x00/rt2800pci.c') diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index 7d4778d..b2f2327 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -633,7 +633,8 @@ static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, struct txentry_desc *txdesc) { struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); - __le32 *txd = skbdesc->desc; + struct queue_entry_priv_pci *entry_priv = skbdesc->entry->priv_data; + __le32 *txd = entry_priv->desc; u32 word; /* @@ -657,15 +658,14 @@ static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W1_BURST, test_bit(ENTRY_TXD_BURST, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W1_SD_LEN0, - rt2x00dev->ops->extra_tx_headroom); + rt2x00_set_field32(&word, TXD_W1_SD_LEN0, TXWI_DESC_SIZE); 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->ops->extra_tx_headroom); + skbdesc->skb_dma + TXWI_DESC_SIZE); rt2x00_desc_write(txd, 2, word); rt2x00_desc_read(txd, 3, &word); @@ -673,6 +673,12 @@ static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W3_QSEL, 2); rt2x00_desc_write(txd, 3, word); + + /* + * Register descriptor details in skb frame descriptor. + */ + skbdesc->desc = txd; + skbdesc->desc_len = TXD_DESC_SIZE; } /* -- cgit v1.1