net/mlx4_en: Handle vxlan steering rules for mac address changes

When the device mac address is changed, we must deregister the vxlan
steering rule associated with the previous mac, and register a new
steering rule using the new mac.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index fad4531..ba21261 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -742,6 +742,14 @@ static int mlx4_en_replace_mac(struct mlx4_en_priv *priv, int qpn,
                                err = mlx4_en_uc_steer_add(priv, new_mac,
                                                           &qpn,
                                                           &entry->reg_id);
+                               if (err)
+                                       return err;
+                               if (priv->tunnel_reg_id) {
+                                       mlx4_flow_detach(priv->mdev->dev, priv->tunnel_reg_id);
+                                       priv->tunnel_reg_id = 0;
+                               }
+                               err = mlx4_en_tunnel_steer_add(priv, new_mac, qpn,
+                                                              &priv->tunnel_reg_id);
                                return err;
                        }
                }