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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org,
        Govindarajulu Varadarajan <gvaradar@cisco.com>,
        "David S. Miller" <davem@davemloft.net>
Subject: [PATCH 4.4 078/143] enic: fix checksum validation for IPv6
Date:   Mon, 18 Feb 2019 14:43:26 +0100
Message-Id: <20190218133531.934903292@linuxfoundation.org>
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4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

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 |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/cisco/enic/enic_main.c
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -1180,7 +1180,7 @@ static void enic_rq_indicate_buf(struct
 		 * CHECSUM_UNNECESSARY.
 		 */
 		if ((netdev->features & NETIF_F_RXCSUM) && tcp_udp_csum_ok &&
-		    ipv4_csum_ok)
+		    (ipv4_csum_ok || ipv6))
 			skb->ip_summed = CHECKSUM_UNNECESSARY;
 
 		if (vlan_stripped)