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dwc_eth_qos: Fix dma address for multi-fragment skbs
authorLars Persson <lars.persson@axis.com>
Tue, 12 Jan 2016 14:28:13 +0000 (15:28 +0100)
committerDavid S. Miller <davem@davemloft.net>
Tue, 12 Jan 2016 17:03:30 +0000 (12:03 -0500)
The offset inside the fragment was not used for the dma address and
silent data corruption resulted because TSO makes the checksum match.

Fixes: 077742dac2c7 ("dwc_eth_qos: Add support for Synopsys DWC Ethernet QoS")
Signed-off-by: Lars Persson <larper@axis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/synopsys/dwc_eth_qos.c patch | blob | blame | history

diff --git a/drivers/net/ethernet/synopsys/dwc_eth_qos.c b/drivers/net/ethernet/synopsys/dwc_eth_qos.c
index 6dbb681912f2bd8d370109ee2ce8ce9c5610ef27..70814b7386b3119e55ac8be1a92cfdb8c0740c5c 100644 (file)
--- a/drivers/net/ethernet/synopsys/dwc_eth_qos.c
+++ b/drivers/net/ethernet/synopsys/dwc_eth_qos.c
@@ -2087,7 +2087,7 @@ static int dwceqos_tx_frags(struct sk_buff *skb, struct net_local *lp,
                        dd = &lp->tx_descs[lp->tx_next];
 
                        /* Set DMA Descriptor fields */
-                       dd->des0 = dma_handle;
+                       dd->des0 = dma_handle + consumed_size;
                        dd->des1 = 0;
                        dd->des2 = dma_size;