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Date:   Mon, 18 Feb 2019 14:43:57 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Govindarajulu Varadarajan <gvaradar@...co.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 3.18 061/108] enic: fix checksum validation for IPv6

3.18-stable review patch.  If anyone has any objections, please let me know.

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

From: Govindarajulu Varadarajan <gvaradar@...co.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@...co.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.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
@@ -1065,7 +1065,7 @@ 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)


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