veth does not really transmit packets only moves the skb from one
netdev to another so gso and checksum is not really needed. Add
the features to mpls_features to get the same benefit and performance
with MPLS as without it.

Reported-by: Lennert Buytenhek <redacted>
Signed-off-by: David Ahern <redacted>
---
 drivers/net/veth.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index f37a6e61d4ad..5db320a4d5cf 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c

@@ -340,6 +340,7 @@ static void veth_setup(struct net_device *dev)
 
 	dev->hw_features = VETH_FEATURES;
 	dev->hw_enc_features = VETH_FEATURES;
+	dev->mpls_features = NETIF_F_HW_CSUM | NETIF_F_GSO_SOFTWARE;
 }
 
 /*

-- 
2.1.4