[PATCH 4.9 16/57] net/mlx4_en: Dont allow aRFS for encapsulated packets

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From: Aya Levin <ayal@xxxxxxxxxx>

[ 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@xxxxxxxxxx>
Signed-off-by: Tariq Toukan <tariqt@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 437e30a5a314..cb3e6db20088 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -309,6 +309,9 @@ 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;
 
-- 
2.33.0






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