ixgbe: add rxhash support

feed RSS hash into skb->rxhash

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Evan Swanson <evan.swanson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index f2efa3245352..545b231b2a74 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -2253,8 +2253,13 @@ static int ixgbe_set_flags(struct net_device *netdev, u32 data)
         need_reset = (data & ETH_FLAG_RXVLAN) !=
                      (netdev->features & NETIF_F_HW_VLAN_RX);
 
+        if ((data & ETH_FLAG_RXHASH) &&
+            !(adapter->flags & IXGBE_FLAG_RSS_ENABLED))
+                return -EOPNOTSUPP;
+
         rc = ethtool_op_set_flags(netdev, data, ETH_FLAG_LRO | ETH_FLAG_NTUPLE |
-                                        ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN);
+                                  ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN |
+                                  ETH_FLAG_RXHASH);
         if (rc)
                 return rc;