skge: fix checksum byte order
authorStephen Hemminger <stephen@networkplumber.org>
Fri, 20 Sep 2019 16:18:26 +0000 (18:18 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 5 Oct 2019 11:09:29 +0000 (13:09 +0200)
[ 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>
drivers/net/ethernet/marvell/skge.c

index 15dea48..d6f8a41 100644 (file)
@@ -3122,7 +3122,7 @@ 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;
        }