diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 19 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_tx.c | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 1 | ||||
| -rw-r--r-- | include/linux/mlx4/qp.h | 1 |
4 files changed, 22 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 78d776bc355c..4c5bbb3aad31 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -974,6 +974,21 @@ static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu) return 0; } +static int mlx4_en_set_features(struct net_device *netdev, + netdev_features_t features) +{ + struct mlx4_en_priv *priv = netdev_priv(netdev); + + if (features & NETIF_F_LOOPBACK) + priv->ctrl_flags |= cpu_to_be32(MLX4_WQE_CTRL_FORCE_LOOPBACK); + else + priv->ctrl_flags &= + cpu_to_be32(~MLX4_WQE_CTRL_FORCE_LOOPBACK); + + return 0; + +} + static const struct net_device_ops mlx4_netdev_ops = { .ndo_open = mlx4_en_open, .ndo_stop = mlx4_en_close, @@ -990,6 +1005,7 @@ static const struct net_device_ops mlx4_netdev_ops = { #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = mlx4_en_netpoll, #endif + .ndo_set_features = mlx4_en_set_features, }; int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, @@ -1022,6 +1038,8 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, priv->port = port; priv->port_up = false; priv->flags = prof->flags; + priv->ctrl_flags = cpu_to_be32(MLX4_WQE_CTRL_CQ_UPDATE | + MLX4_WQE_CTRL_SOLICITED); priv->tx_ring_num = prof->tx_ring_num; priv->rx_ring_num = prof->rx_ring_num; priv->mac_index = -1; @@ -1088,6 +1106,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, dev->features = dev->hw_features | NETIF_F_HIGHDMA | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER; + dev->hw_features |= NETIF_F_LOOPBACK; mdev->pndev[port] = dev; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 3094f940b928..807c2186548c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -679,8 +679,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) tx_desc->ctrl.vlan_tag = cpu_to_be16(vlan_tag); tx_desc->ctrl.ins_vlan = MLX4_WQE_CTRL_INS_VLAN * !!vlan_tag; tx_desc->ctrl.fence_size = (real_size / 16) & 0x3f; - tx_desc->ctrl.srcrb_flags = cpu_to_be32(MLX4_WQE_CTRL_CQ_UPDATE | - MLX4_WQE_CTRL_SOLICITED); + tx_desc->ctrl.srcrb_flags = priv->ctrl_flags; if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { tx_desc->ctrl.srcrb_flags |= cpu_to_be32(MLX4_WQE_CTRL_IP_CSUM | MLX4_WQE_CTRL_TCP_UDP_CSUM); diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index d2dd97fa091f..ea2ba6899e9a 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -453,6 +453,7 @@ struct mlx4_en_priv { int base_qpn; struct mlx4_en_rss_map rss_map; + u32 ctrl_flags; u32 flags; #define MLX4_EN_FLAG_PROMISC 0x1 #define MLX4_EN_FLAG_MC_PROMISC 0x2 diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h index 6562ff6aa9d6..bee8fa231276 100644 --- a/include/linux/mlx4/qp.h +++ b/include/linux/mlx4/qp.h @@ -210,6 +210,7 @@ struct mlx4_wqe_ctrl_seg { * [4] IP checksum * [3:2] C (generate completion queue entry) * [1] SE (solicited event) + * [0] FL (force loopback) */ __be32 srcrb_flags; /* |