netdev - [net-next V2 04/13] net/mlx5e: Allow vlans on e-switch uplink reps

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Date:   Thu, 20 Dec 2018 10:04:31 -0800
From:   Saeed Mahameed <saeedm@...lanox.com>
To:     "David S. Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, Or Gerlitz <ogerlitz@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>
Subject: [net-next V2 04/13] net/mlx5e: Allow vlans on e-switch uplink reps

From: Or Gerlitz <ogerlitz@...lanox.com>

There are cases (e.g tunneling with vlan on underlay and potentially
more) where this makes sense, so allow that.

Signed-off-by: Or Gerlitz <ogerlitz@...lanox.com>
Reviewed-by: Eli Britstein <elibr@...lanox.com>
Reviewed-by: Roi Dayan <roid@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
index 18d0f4f7537b..91c3eb85f32e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
@@ -1381,7 +1381,7 @@ static void mlx5e_build_rep_netdev(struct net_device *netdev)
 
 	netdev->switchdev_ops = &mlx5e_rep_switchdev_ops;
 
-	netdev->features	 |= NETIF_F_VLAN_CHALLENGED | NETIF_F_HW_TC | NETIF_F_NETNS_LOCAL;
+	netdev->features	 |= NETIF_F_HW_TC | NETIF_F_NETNS_LOCAL;
 	netdev->hw_features      |= NETIF_F_HW_TC;
 
 	netdev->hw_features    |= NETIF_F_SG;
@@ -1392,6 +1392,9 @@ static void mlx5e_build_rep_netdev(struct net_device *netdev)
 	netdev->hw_features    |= NETIF_F_TSO6;
 	netdev->hw_features    |= NETIF_F_RXCSUM;
 
+	if (rep->vport != FDB_UPLINK_VPORT)
+		netdev->features |= NETIF_F_VLAN_CHALLENGED;
+
 	netdev->features |= netdev->hw_features;
 }
 
-- 
2.19.2