From 877749bf3f2f7a517ae74cd2c2fa4eed7aa9b51d Mon Sep 17 00:00:00 2001 From: Ian Campbell Date: Mon, 29 Aug 2011 23:18:26 +0000 Subject: intel: convert to SKB paged frag API. Signed-off-by: Ian Campbell Cc: Jeff Kirsher Cc: Jesse Brandeburg Cc: Bruce Allan Cc: Carolyn Wyborny Cc: Don Skidmore Cc: Greg Rose Cc: PJ Waskiewicz Cc: Alex Duyck Cc: John Ronciak Cc: e1000-devel@lists.sourceforge.net Cc: netdev@vger.kernel.org Acked-by: Jeff Kirsher Signed-off-by: David S. Miller --- drivers/net/ethernet/intel/e1000/e1000_main.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) (limited to 'drivers/net/ethernet/intel/e1000/e1000_main.c') diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 4a32c15524c9..27f586afcc34 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -2911,9 +2911,10 @@ static int e1000_tx_map(struct e1000_adapter *adapter, frag = &skb_shinfo(skb)->frags[f]; len = frag->size; - offset = frag->page_offset; + offset = 0; while (len) { + unsigned long bufend; i++; if (unlikely(i == tx_ring->count)) i = 0; @@ -2927,18 +2928,19 @@ static int e1000_tx_map(struct e1000_adapter *adapter, /* Workaround for potential 82544 hang in PCI-X. * Avoid terminating buffers within evenly-aligned * dwords. */ + bufend = (unsigned long) + page_to_phys(skb_frag_page(frag)); + bufend += offset + size - 1; if (unlikely(adapter->pcix_82544 && - !((unsigned long)(page_to_phys(frag->page) + offset - + size - 1) & 4) && - size > 4)) + !(bufend & 4) && + size > 4)) size -= 4; buffer_info->length = size; buffer_info->time_stamp = jiffies; buffer_info->mapped_as_page = true; - buffer_info->dma = dma_map_page(&pdev->dev, frag->page, - offset, size, - DMA_TO_DEVICE); + buffer_info->dma = skb_frag_dma_map(&pdev->dev, frag, + offset, size, DMA_TO_DEVICE); if (dma_mapping_error(&pdev->dev, buffer_info->dma)) goto dma_error; buffer_info->next_to_watch = i; -- cgit v1.2.3