From: Govindarajulu Varadarajan <gvaradar@cisco.com>
Date: Wed, 30 Jan 2019 14:59:00 +0000 (-0800)
Subject: enic: fix checksum validation for IPv6
X-Git-Tag: v4.14.99~41
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=25805f7e25a3a1f22b39e811a06582e2143054be;p=users%2Fjedix%2Flinux-maple.git

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 03f4fee1bbc99..ced348e15a635 100644
--- a/drivers/net/ethernet/cisco/enic/enic_main.c
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -1393,7 +1393,8 @@ 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;
 		}