From 4382c7b92a1db397874ca62c73aa8b023af6dba8 Mon Sep 17 00:00:00 2001 From: Gal Pressman Date: Sun, 10 Sep 2017 13:22:51 +0300 Subject: [PATCH] net/mlx5e: Add 802.1ad VLAN insertion support 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 Reviewed-by: Tariq Toukan Signed-off-by: Saeed Mahameed --- 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, }; -- 2.45.2