X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=drivers%2Fnet%2Fethernet%2Fmellanox%2Fmlx5%2Fcore%2Fen_main.c;h=9ab08419c55778c117726a5b820bb9b99d42bbbd;hb=7bb2975599210097115021e542b6137781a09588;hp=e0adb604f461e00e64952f70a661b62e1af787cc;hpb=8f40842e4260f73792c156aded004197a19135ee;p=deliverable%2Flinux.git diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index e0adb604f461..9ab08419c557 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -262,9 +262,8 @@ static void mlx5e_update_stats_work(struct work_struct *work) mutex_lock(&priv->state_lock); if (test_bit(MLX5E_STATE_OPENED, &priv->state)) { mlx5e_update_stats(priv); - schedule_delayed_work(dwork, - msecs_to_jiffies( - MLX5E_UPDATE_STATS_INTERVAL)); + queue_delayed_work(priv->wq, dwork, + msecs_to_jiffies(MLX5E_UPDATE_STATS_INTERVAL)); } mutex_unlock(&priv->state_lock); } @@ -280,7 +279,7 @@ static void mlx5e_async_event(struct mlx5_core_dev *mdev, void *vpriv, switch (event) { case MLX5_DEV_EVENT_PORT_UP: case MLX5_DEV_EVENT_PORT_DOWN: - schedule_work(&priv->update_carrier_work); + queue_work(priv->wq, &priv->update_carrier_work); break; default: @@ -1404,24 +1403,50 @@ static int mlx5e_refresh_tirs_self_loopback_enable(struct mlx5e_priv *priv) return 0; } -static int mlx5e_set_dev_port_mtu(struct net_device *netdev) +static int mlx5e_set_mtu(struct mlx5e_priv *priv, u16 mtu) { - struct mlx5e_priv *priv = netdev_priv(netdev); struct mlx5_core_dev *mdev = priv->mdev; - int hw_mtu; + u16 hw_mtu = MLX5E_SW2HW_MTU(mtu); int err; - err = mlx5_set_port_mtu(mdev, MLX5E_SW2HW_MTU(netdev->mtu), 1); + err = mlx5_set_port_mtu(mdev, hw_mtu, 1); if (err) return err; - mlx5_query_port_oper_mtu(mdev, &hw_mtu, 1); + /* Update vport context MTU */ + mlx5_modify_nic_vport_mtu(mdev, hw_mtu); + return 0; +} + +static void mlx5e_query_mtu(struct mlx5e_priv *priv, u16 *mtu) +{ + struct mlx5_core_dev *mdev = priv->mdev; + u16 hw_mtu = 0; + int err; - if (MLX5E_HW2SW_MTU(hw_mtu) != netdev->mtu) - netdev_warn(netdev, "%s: Port MTU %d is different than netdev mtu %d\n", - __func__, MLX5E_HW2SW_MTU(hw_mtu), netdev->mtu); + err = mlx5_query_nic_vport_mtu(mdev, &hw_mtu); + if (err || !hw_mtu) /* fallback to port oper mtu */ + mlx5_query_port_oper_mtu(mdev, &hw_mtu, 1); + + *mtu = MLX5E_HW2SW_MTU(hw_mtu); +} + +static int mlx5e_set_dev_port_mtu(struct net_device *netdev) +{ + struct mlx5e_priv *priv = netdev_priv(netdev); + u16 mtu; + int err; - netdev->mtu = MLX5E_HW2SW_MTU(hw_mtu); + err = mlx5e_set_mtu(priv, netdev->mtu); + if (err) + return err; + + mlx5e_query_mtu(priv, &mtu); + if (mtu != netdev->mtu) + netdev_warn(netdev, "%s: VPort MTU %d is different than netdev mtu %d\n", + __func__, mtu, netdev->mtu); + + netdev->mtu = mtu; return 0; } @@ -1479,7 +1504,7 @@ int mlx5e_open_locked(struct net_device *netdev) mlx5e_update_carrier(priv); mlx5e_timestamp_init(priv); - schedule_delayed_work(&priv->update_stats_work, 0); + queue_delayed_work(priv->wq, &priv->update_stats_work, 0); return 0; @@ -1935,7 +1960,7 @@ static void mlx5e_set_rx_mode(struct net_device *dev) { struct mlx5e_priv *priv = netdev_priv(dev); - schedule_work(&priv->set_rx_mode_work); + queue_work(priv->wq, &priv->set_rx_mode_work); } static int mlx5e_set_mac(struct net_device *netdev, void *addr) @@ -1950,7 +1975,7 @@ static int mlx5e_set_mac(struct net_device *netdev, void *addr) ether_addr_copy(netdev->dev_addr, saddr->sa_data); netif_addr_unlock_bh(netdev); - schedule_work(&priv->set_rx_mode_work); + queue_work(priv->wq, &priv->set_rx_mode_work); return 0; } @@ -1999,22 +2024,27 @@ static int mlx5e_set_features(struct net_device *netdev, return err; } +#define MXL5_HW_MIN_MTU 64 +#define MXL5E_MIN_MTU (MXL5_HW_MIN_MTU + ETH_FCS_LEN) + static int mlx5e_change_mtu(struct net_device *netdev, int new_mtu) { struct mlx5e_priv *priv = netdev_priv(netdev); struct mlx5_core_dev *mdev = priv->mdev; bool was_opened; - int max_mtu; + u16 max_mtu; + u16 min_mtu; int err = 0; mlx5_query_port_max_mtu(mdev, &max_mtu, 1); max_mtu = MLX5E_HW2SW_MTU(max_mtu); + min_mtu = MLX5E_HW2SW_MTU(MXL5E_MIN_MTU); - if (new_mtu > max_mtu) { + if (new_mtu > max_mtu || new_mtu < min_mtu) { netdev_err(netdev, - "%s: Bad MTU (%d) > (%d) Max\n", - __func__, new_mtu, max_mtu); + "%s: Bad MTU (%d), valid range is: [%d..%d]\n", + __func__, new_mtu, min_mtu, max_mtu); return -EINVAL; } @@ -2467,10 +2497,14 @@ static void *mlx5e_create_netdev(struct mlx5_core_dev *mdev) priv = netdev_priv(netdev); + priv->wq = create_singlethread_workqueue("mlx5e"); + if (!priv->wq) + goto err_free_netdev; + err = mlx5_alloc_map_uar(mdev, &priv->cq_uar, false); if (err) { mlx5_core_err(mdev, "alloc_map uar failed, %d\n", err); - goto err_free_netdev; + goto err_destroy_wq; } err = mlx5_core_alloc_pd(mdev, &priv->pdn); @@ -2549,7 +2583,7 @@ static void *mlx5e_create_netdev(struct mlx5_core_dev *mdev) vxlan_get_rx_port(netdev); mlx5e_enable_async_events(priv); - schedule_work(&priv->set_rx_mode_work); + queue_work(priv->wq, &priv->set_rx_mode_work); return priv; @@ -2586,6 +2620,9 @@ err_dealloc_pd: err_unmap_free_uar: mlx5_unmap_free_uar(mdev, &priv->cq_uar); +err_destroy_wq: + destroy_workqueue(priv->wq); + err_free_netdev: free_netdev(netdev); @@ -2599,10 +2636,19 @@ static void mlx5e_destroy_netdev(struct mlx5_core_dev *mdev, void *vpriv) set_bit(MLX5E_STATE_DESTROYING, &priv->state); - schedule_work(&priv->set_rx_mode_work); + queue_work(priv->wq, &priv->set_rx_mode_work); mlx5e_disable_async_events(priv); - flush_scheduled_work(); - unregister_netdev(netdev); + flush_workqueue(priv->wq); + if (test_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &mdev->intf_state)) { + netif_device_detach(netdev); + mutex_lock(&priv->state_lock); + if (test_bit(MLX5E_STATE_OPENED, &priv->state)) + mlx5e_close_locked(netdev); + mutex_unlock(&priv->state_lock); + } else { + unregister_netdev(netdev); + } + mlx5e_tc_cleanup(priv); mlx5e_vxlan_cleanup(priv); mlx5e_destroy_flow_tables(priv); @@ -2615,7 +2661,11 @@ static void mlx5e_destroy_netdev(struct mlx5_core_dev *mdev, void *vpriv) mlx5_core_dealloc_transport_domain(priv->mdev, priv->tdn); mlx5_core_dealloc_pd(priv->mdev, priv->pdn); mlx5_unmap_free_uar(priv->mdev, &priv->cq_uar); - free_netdev(netdev); + cancel_delayed_work_sync(&priv->update_stats_work); + destroy_workqueue(priv->wq); + + if (!test_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &mdev->intf_state)) + free_netdev(netdev); } static void *mlx5e_get_netdev(void *vpriv)