xen-netback: Unconditionally set NETIF_F_RXCSUM

There is no mechanism to insist that a guest always generates a packet
with good checksum (at least for IPv4) so we must handle checksum
offloading from the guest and hence should set NETIF_F_RXCSUM.

Signed-off-by: Paul Durrant <[email protected]>
Cc: Wei Liu <[email protected]>
Cc: David Vrabel <[email protected]>
Cc: Ian Campbell <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index 8e927838652cc7550b2b4a4335e0df7e2d46dab6..cb0d8ea3d9f2d59095c9c013121df10af32cc115 100644 (file)
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -321,7 +321,7 @@ struct xenvif *xenvif_alloc(struct device *parent, domid_t domid,
        dev->hw_features = NETIF_F_SG |
                NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
                NETIF_F_TSO;
-       dev->features = dev->hw_features;
+       dev->features = dev->hw_features | NETIF_F_RXCSUM;
        SET_ETHTOOL_OPS(dev, &xenvif_ethtool_ops);
 
        dev->tx_queue_len = XENVIF_QUEUE_LENGTH;