mlx4e: Do not attempt to offload VXLAN ports that are unrecognized

[cascardo/linux.git] / drivers / net / ethernet / mellanox / mlx4 / en_netdev.c

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 19ceced..a2c2536 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -2447,9 +2447,14 @@ static netdev_features_t mlx4_en_features_check(struct sk_buff *skb,
         * strip that feature if this is an IPv6 encapsulated frame.
         */
        if (skb->encapsulation &&
-           (skb->ip_summed == CHECKSUM_PARTIAL) &&
-           (ip_hdr(skb)->version != 4))
-               features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
+           (skb->ip_summed == CHECKSUM_PARTIAL)) {
+               struct mlx4_en_priv *priv = netdev_priv(dev);
+
+               if (!priv->vxlan_port ||
+                   (ip_hdr(skb)->version != 4) ||
+                   (udp_hdr(skb)->dest != priv->vxlan_port))
+                       features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
+       }
 
        return features;
 }