* [PATCH net] dwc_eth_qos: Fix dma address for multi-fragment skbs
@ 2016-01-12 14:28 Lars Persson
2016-01-12 20:32 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Lars Persson @ 2016-01-12 14:28 UTC (permalink / raw)
To: netdev, linux-kernel; +Cc: Lars Persson
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>
---
drivers/net/ethernet/synopsys/dwc_eth_qos.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/synopsys/dwc_eth_qos.c b/drivers/net/ethernet/synopsys/dwc_eth_qos.c
index 9066d7a..f96c6b3 100644
--- a/drivers/net/ethernet/synopsys/dwc_eth_qos.c
+++ b/drivers/net/ethernet/synopsys/dwc_eth_qos.c
@@ -2107,7 +2107,7 @@ 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;
--
2.1.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2016-01-12 20:32 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-01-12 14:28 [PATCH net] dwc_eth_qos: Fix dma address for multi-fragment skbs Lars Persson
2016-01-12 20:32 ` David Miller
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).