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: v5.4-rc1~14^2~56
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5aafeb74b5bb65b34cc87c7623f9fa163a34fa3b;p=thirdparty%2Fkernel%2Flinux.git

skge: fix checksum byte order

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>
---

diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c
index 0a2ec387a482f..095f6c71b4fa1 100644
--- a/drivers/net/ethernet/marvell/skge.c
+++ b/drivers/net/ethernet/marvell/skge.c
@@ -3108,7 +3108,7 @@ 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;
 	}