[PATCH net] dwc_eth_qos: Fix dma address for multi-fragment skbs
From: Lars Persson <lars.persson@axis.com>
Date: 2016-01-12 14:28:31
Also in:
lkml
Subsystem:
networking drivers, synopsys designware enterprise ethernet driver, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Jose Abreu, Linus Torvalds
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 <redacted>
---
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