From: Gal Pressman <g...@mellanox.com>
Report VLAN insertion support for S-tagged packets and add support by
choosing the correct VLAN type in the WQE.
Signed-off-by: Gal Pressman <g...@mellanox.com>
Reviewed-by: Tariq Toukan <tar...@mellanox.com>
Signed-off-by: Saeed Mahameed <sae...@mellanox.com>
---
drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 1 +
drivers/net/ethernet/mellanox/mlx5/core/en_tx.c | 2 ++
include/linux/mlx5/qp.h | 1 +
3 files changed, 4 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 59b8a2d62b8d..c408b7efa42e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -4194,6 +4194,7 @@ static void mlx5e_build_nic_netdev(struct net_device
*netdev)
netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX;
netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX;
netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
+ netdev->hw_features |= NETIF_F_HW_VLAN_STAG_TX;
if (mlx5e_vxlan_allowed(mdev) || MLX5_CAP_ETH(mdev,
tunnel_stateless_gre)) {
netdev->hw_features |= NETIF_F_GSO_PARTIAL;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
index de651de35c9b..c62305b214cc 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
@@ -369,6 +369,8 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_txqsq *sq,
struct sk_buff *skb,
ds_cnt += DIV_ROUND_UP(ihs - sizeof(eseg->inline_hdr.start),
MLX5_SEND_WQE_DS);
} else if (skb_vlan_tag_present(skb)) {
eseg->insert.type = cpu_to_be16(MLX5_ETH_WQE_INSERT_VLAN);
+ if (skb->vlan_proto == cpu_to_be16(ETH_P_8021AD))
+ eseg->insert.type |= cpu_to_be16(MLX5_ETH_WQE_SVLAN);
eseg->insert.vlan_tci = cpu_to_be16(skb_vlan_tag_get(skb));
}
diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h
index 66d19b611fe4..62af7512dabb 100644
--- a/include/linux/mlx5/qp.h
+++ b/include/linux/mlx5/qp.h
@@ -221,6 +221,7 @@ enum {
};
enum {
+ MLX5_ETH_WQE_SVLAN = 1 << 0,
MLX5_ETH_WQE_INSERT_VLAN = 1 << 15,
};
--
2.13.6
