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path: root/drivers/net/ethernet/intel/igbvf/netdev.c
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Diffstat (limited to 'drivers/net/ethernet/intel/igbvf/netdev.c')
-rw-r--r--drivers/net/ethernet/intel/igbvf/netdev.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c
index 12bb877df860..7dff7f6239cd 100644
--- a/drivers/net/ethernet/intel/igbvf/netdev.c
+++ b/drivers/net/ethernet/intel/igbvf/netdev.c
@@ -1965,11 +1965,15 @@ static int igbvf_tso(struct igbvf_ring *tx_ring,
/* initialize outer IP header fields */
if (ip.v4->version == 4) {
+ unsigned char *csum_start = skb_checksum_start(skb);
+ unsigned char *trans_start = ip.hdr + (ip.v4->ihl * 4);
+
/* IP header will have to cancel out any data that
* is not a part of the outer IP header
*/
- ip.v4->check = csum_fold(csum_add(lco_csum(skb),
- csum_unfold(l4.tcp->check)));
+ ip.v4->check = csum_fold(csum_partial(trans_start,
+ csum_start - trans_start,
+ 0));
type_tucmd |= E1000_ADVTXD_TUCMD_IPV4;
ip.v4->tot_len = 0;