Thread (17 messages) 17 messages, 2 authors, 2018-03-27

[net-next V2 15/15] net/mlx5e: Add VLAN offload features to hw_enc_features

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From: Saeed Mahameed <hidden>
Date: 2018-03-26 20:56:57
Subsystem: mellanox ethernet driver (mlx5e), mellanox mlx5 core vpi driver, networking drivers, the rest · Maintainers: Saeed Mahameed, Tariq Toukan, Mark Bloch, Leon Romanovsky, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

From: Aviv Heller <redacted>

We support outer VLAN offload in driver and HW regardless of whether
an encapsulation is present in the next headers.

Exposing this in hw_enc_features will allow us to offload outer VLANs
in cases where encapsulation protocols like VXLAN and IPsec are used.

Signed-off-by: Aviv Heller <redacted>
Signed-off-by: Saeed Mahameed <redacted>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 3 +++
 1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index fb936a978f20..1d36d7569f44 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -4106,6 +4106,9 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev)
 	netdev->vlan_features    |= NETIF_F_RXCSUM;
 	netdev->vlan_features    |= NETIF_F_RXHASH;
 
+	netdev->hw_enc_features  |= NETIF_F_HW_VLAN_CTAG_TX;
+	netdev->hw_enc_features  |= NETIF_F_HW_VLAN_CTAG_RX;
+
 	if (!!MLX5_CAP_ETH(mdev, lro_cap))
 		netdev->vlan_features    |= NETIF_F_LRO;
 
-- 
2.14.3
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