sfc: Implement the ethtool RX n-tuple control functions

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/sfc/siena.c b/drivers/net/sfc/siena.c
index 9f53680..2115f95 100644
--- a/drivers/net/sfc/siena.c
+++ b/drivers/net/sfc/siena.c
@@ -651,6 +651,6 @@
 	.tx_dc_base = 0x88000,
 	.rx_dc_base = 0x68000,
 	.offload_features = (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
-			     NETIF_F_RXHASH),
+			     NETIF_F_RXHASH | NETIF_F_NTUPLE),
 	.reset_world_flags = ETH_RESET_MGMT << ETH_RESET_SHARED_SHIFT,
 };