From: Aya Levin <ayal@nvidia.com>
Date: Thu, 23 Sep 2021 09:51:45 +0300
Subject: net/mlx4_en: Don't allow aRFS for encapsulated packets
Patch-mainline: v5.15-rc3
Git-commit: fdbccea419dc782079ce5881d2705cc9e3881480
References: jsc#SLE-19256 stable-5.14.9
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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 3 +++
1 file changed, 3 insertions(+)
--- 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 *ne
int nhoff = skb_network_offset(skb);
int ret = 0;
+ if (skb->encapsulation)
+ return -EPROTONOSUPPORT;
+
if (skb->protocol != htons(ETH_P_IP))
return -EPROTONOSUPPORT;