net/mlx5e: Don't allow aRFS for encapsulated packets

[ Upstream commit d2e1c57bcf9a07cbb67f30ecf238f298799bce1c ]

Driver is yet to support aRFS for encapsulated packets, return early
error in such case.

Fixes: 18c908e477dc ("net/mlx5e: Add accelerated RFS support")
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
index 12d3ced611145858c2ac67141b3d1179ad7f59f9..0f0c1d7b80c06f5ab0d9f1e04e4255fbd555e519 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
@@ -711,6 +711,9 @@ int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
            skb->protocol != htons(ETH_P_IPV6))
                return -EPROTONOSUPPORT;
 
+       if (skb->encapsulation)
+               return -EPROTONOSUPPORT;
+
        arfs_t = arfs_get_table(arfs, arfs_get_ip_proto(skb), skb->protocol);
        if (!arfs_t)
                return -EPROTONOSUPPORT;