net/mlx4_en: Don't allow aRFS for encapsulated packets

[ Upstream commit fdbccea419dc782079ce5881d2705cc9e3881480 ]

Driver doesn't support aRFS for encapsulated packets, return early error
in such a case.

Fixes: 1eb8c695bda9 ("net/mlx4_en: Add accelerated RFS support")
Signed-off-by: Aya Levin <ayal@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index d8a20e8..8999e9c 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -372,6 +372,9 @@ mlx4_en_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb,
        int nhoff = skb_network_offset(skb);
        int ret = 0;
 
+       if (skb->encapsulation)
+               return -EPROTONOSUPPORT;
+
        if (skb->protocol != htons(ETH_P_IP))
                return -EPROTONOSUPPORT;