sfc: Implement TSO for TCP/IPv6

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

1 files changed, 19 insertions, 1 deletions

diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 5492b633660..f6981216f1f 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -471,6 +471,23 @@ static void efx_ethtool_get_stats(struct net_device *net_dev,
         }
 }
 
+static int efx_ethtool_set_tso(struct net_device *net_dev, u32 enable)
+{
+        struct efx_nic *efx __attribute__ ((unused)) = netdev_priv(net_dev);
+        unsigned long features;
+
+        features = NETIF_F_TSO;
+        if (efx->type->offload_features & NETIF_F_V6_CSUM)
+                features |= NETIF_F_TSO6;
+
+        if (enable)
+                net_dev->features |= features;
+        else
+                net_dev->features &= ~features;
+
+        return 0;
+}
+
 static int efx_ethtool_set_tx_csum(struct net_device *net_dev, u32 enable)
 {
         struct efx_nic *efx = netdev_priv(net_dev);
@@ -834,7 +851,8 @@ const struct ethtool_ops efx_ethtool_ops = {
         .get_sg                 = ethtool_op_get_sg,
         .set_sg                 = ethtool_op_set_sg,
         .get_tso                = ethtool_op_get_tso,
-        .set_tso                = ethtool_op_set_tso,
+        /* Need to enable/disable TSO-IPv6 too */
+        .set_tso                = efx_ethtool_set_tso,
         .get_flags              = ethtool_op_get_flags,
         .set_flags              = ethtool_op_set_flags,
         .get_sset_count         = efx_ethtool_get_sset_count,