sfc: Record hardware RX hash on each skb where possible

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index dde21a890855..7693cfbf9cf4 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -546,6 +546,17 @@ static u32 efx_ethtool_get_rx_csum(struct net_device *net_dev)
         return efx->rx_checksum_enabled;
 }
 
+static int efx_ethtool_set_flags(struct net_device *net_dev, u32 data)
+{
+        struct efx_nic *efx = netdev_priv(net_dev);
+        u32 supported = efx->type->offload_features & ETH_FLAG_RXHASH;
+
+        if (data & ~supported)
+                return -EOPNOTSUPP;
+
+        return ethtool_op_set_flags(net_dev, data);
+}
+
 static void efx_ethtool_self_test(struct net_device *net_dev,
                                   struct ethtool_test *test, u64 *data)
 {
@@ -888,6 +899,7 @@ const struct ethtool_ops efx_ethtool_ops = {
         /* Need to enable/disable TSO-IPv6 too */
         .set_tso                = efx_ethtool_set_tso,
         .get_flags              = ethtool_op_get_flags,
+        .set_flags              = efx_ethtool_set_flags,
         .get_sset_count         = efx_ethtool_get_sset_count,
         .self_test              = efx_ethtool_self_test,
         .get_strings            = efx_ethtool_get_strings,