[PATCH 4.19 260/313] enic: fix checksum validation for IPv6

Greg Kroah-Hartman
2019-02-11T14:51:08Z

From: Govindarajulu Varadarajan <gvaradar@cisco.com>

[ 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>
---
drivers/net/ethernet/cisco/enic/enic_main.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

--- 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
* 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;
}