enic: fix checksum validation for IPv6

[ Upstream commit 7596175e99b3d4bce28022193efd954c201a782a ]

In case of IPv6 pkts, ipv4_csum_ok is 0. Because of this, driver does
not set skb->ip_summed. So IPv6 rx checksum is not offloaded.

Signed-off-by: Govindarajulu Varadarajan <gvaradar@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c
index 60641e2..9a7f70d 100644 (file)
--- a/drivers/net/ethernet/cisco/enic/enic_main.c
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -1434,7 +1434,8 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq,
                 * csum is correct or is zero.
                 */
                if ((netdev->features & NETIF_F_RXCSUM) && !csum_not_calc &&
-                   tcp_udp_csum_ok && ipv4_csum_ok && outer_csum_ok) {
+                   tcp_udp_csum_ok && outer_csum_ok &&
+                   (ipv4_csum_ok || ipv6)) {
                        skb->ip_summed = CHECKSUM_UNNECESSARY;
                        skb->csum_level = encap;
                }