From: Stephen Hemminger <stephen@networkplumber.org>
Date: Fri, 20 Sep 2019 16:18:26 +0000 (+0200)
Subject: skge: fix checksum byte order
X-Git-Tag: v5.2.19~297
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=afc7190e38474a13bac719e7775845736482d63a;p=users%2Fdwmw2%2Flinux.git

skge: fix checksum byte order

[ Upstream commit 5aafeb74b5bb65b34cc87c7623f9fa163a34fa3b ]

Running old skge driver on PowerPC causes checksum errors
because hardware reported 1's complement checksum is in little-endian
byte order.

Reported-by: Benoit <benoit.sansoni@gmail.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c
index 35a92fd2cf394..59bbb5a8401c9 100644
--- a/drivers/net/ethernet/marvell/skge.c
+++ b/drivers/net/ethernet/marvell/skge.c
@@ -3110,7 +3110,7 @@ static struct sk_buff *skge_rx_get(struct net_device *dev,
 	skb_put(skb, len);
 
 	if (dev->features & NETIF_F_RXCSUM) {
-		skb->csum = csum;
+		skb->csum = le16_to_cpu(csum);
 		skb->ip_summed = CHECKSUM_COMPLETE;
 	}