iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

dwc_eth_qos: Fix dma address for multi-fragment skbs

Browse Source 
[ Upstream commit d461873272169a3fc3a8d155d7b1c92e9d97b419 ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lars Persson 2016-01-12 15:28:13 +01:00 committed by Greg Kroah-Hartman
parent 1338c946e6
commit ca0f94da27
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/synopsys/dwc_eth_qos.c
View File

@ -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;