diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/main.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/main.c | 118 |
1 files changed, 78 insertions, 40 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 61286b0d9b0c..2581226836b5 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -42,7 +42,6 @@ #include <linux/slab.h> #include <linux/io-mapping.h> #include <linux/delay.h> -#include <linux/kmod.h> #include <linux/etherdevice.h> #include <net/devlink.h> @@ -864,7 +863,7 @@ static void mlx4_slave_destroy_special_qp_cap(struct mlx4_dev *dev) static int mlx4_slave_special_qp_cap(struct mlx4_dev *dev) { - struct mlx4_func_cap *func_cap = NULL; + struct mlx4_func_cap *func_cap; struct mlx4_caps *caps = &dev->caps; int i, err = 0; @@ -908,9 +907,9 @@ static int mlx4_slave_cap(struct mlx4_dev *dev) { int err; u32 page_size; - struct mlx4_dev_cap *dev_cap = NULL; - struct mlx4_func_cap *func_cap = NULL; - struct mlx4_init_hca_param *hca_param = NULL; + struct mlx4_dev_cap *dev_cap; + struct mlx4_func_cap *func_cap; + struct mlx4_init_hca_param *hca_param; hca_param = kzalloc(sizeof(*hca_param), GFP_KERNEL); func_cap = kzalloc(sizeof(*func_cap), GFP_KERNEL); @@ -1091,27 +1090,6 @@ free_mem: return err; } -static void mlx4_request_modules(struct mlx4_dev *dev) -{ - int port; - int has_ib_port = false; - int has_eth_port = false; -#define EN_DRV_NAME "mlx4_en" -#define IB_DRV_NAME "mlx4_ib" - - for (port = 1; port <= dev->caps.num_ports; port++) { - if (dev->caps.port_type[port] == MLX4_PORT_TYPE_IB) - has_ib_port = true; - else if (dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH) - has_eth_port = true; - } - - if (has_eth_port) - request_module_nowait(EN_DRV_NAME); - if (has_ib_port || (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE)) - request_module_nowait(IB_DRV_NAME); -} - /* * Change the port configuration of the device. * Every user of this function must hold the port mutex. @@ -1147,7 +1125,6 @@ int mlx4_change_port_types(struct mlx4_dev *dev, mlx4_err(dev, "Failed to register device\n"); goto out; } - mlx4_request_modules(dev); } out: @@ -1441,7 +1418,7 @@ static int mlx4_mf_unbond(struct mlx4_dev *dev) return ret; } -int mlx4_bond(struct mlx4_dev *dev) +static int mlx4_bond(struct mlx4_dev *dev) { int ret = 0; struct mlx4_priv *priv = mlx4_priv(dev); @@ -1467,9 +1444,8 @@ int mlx4_bond(struct mlx4_dev *dev) return ret; } -EXPORT_SYMBOL_GPL(mlx4_bond); -int mlx4_unbond(struct mlx4_dev *dev) +static int mlx4_unbond(struct mlx4_dev *dev) { int ret = 0; struct mlx4_priv *priv = mlx4_priv(dev); @@ -1496,10 +1472,8 @@ int mlx4_unbond(struct mlx4_dev *dev) return ret; } -EXPORT_SYMBOL_GPL(mlx4_unbond); - -int mlx4_port_map_set(struct mlx4_dev *dev, struct mlx4_port_map *v2p) +static int mlx4_port_map_set(struct mlx4_dev *dev, struct mlx4_port_map *v2p) { u8 port1 = v2p->port1; u8 port2 = v2p->port2; @@ -1541,7 +1515,61 @@ int mlx4_port_map_set(struct mlx4_dev *dev, struct mlx4_port_map *v2p) mutex_unlock(&priv->bond_mutex); return err; } -EXPORT_SYMBOL_GPL(mlx4_port_map_set); + +struct mlx4_bond { + struct work_struct work; + struct mlx4_dev *dev; + int is_bonded; + struct mlx4_port_map port_map; +}; + +static void mlx4_bond_work(struct work_struct *work) +{ + struct mlx4_bond *bond = container_of(work, struct mlx4_bond, work); + int err = 0; + + if (bond->is_bonded) { + if (!mlx4_is_bonded(bond->dev)) { + err = mlx4_bond(bond->dev); + if (err) + mlx4_err(bond->dev, "Fail to bond device\n"); + } + if (!err) { + err = mlx4_port_map_set(bond->dev, &bond->port_map); + if (err) + mlx4_err(bond->dev, + "Fail to set port map [%d][%d]: %d\n", + bond->port_map.port1, + bond->port_map.port2, err); + } + } else if (mlx4_is_bonded(bond->dev)) { + err = mlx4_unbond(bond->dev); + if (err) + mlx4_err(bond->dev, "Fail to unbond device\n"); + } + put_device(&bond->dev->persist->pdev->dev); + kfree(bond); +} + +int mlx4_queue_bond_work(struct mlx4_dev *dev, int is_bonded, u8 v2p_p1, + u8 v2p_p2) +{ + struct mlx4_bond *bond; + + bond = kzalloc(sizeof(*bond), GFP_ATOMIC); + if (!bond) + return -ENOMEM; + + INIT_WORK(&bond->work, mlx4_bond_work); + get_device(&dev->persist->pdev->dev); + bond->dev = dev; + bond->is_bonded = is_bonded; + bond->port_map.port1 = v2p_p1; + bond->port_map.port2 = v2p_p2; + queue_work(mlx4_wq, &bond->work); + return 0; +} +EXPORT_SYMBOL(mlx4_queue_bond_work); static int mlx4_load_fw(struct mlx4_dev *dev) { @@ -3375,8 +3403,11 @@ static int mlx4_load_one(struct pci_dev *pdev, int pci_dev_data, devl_assert_locked(devlink); dev = &priv->dev; - INIT_LIST_HEAD(&priv->ctx_list); - spin_lock_init(&priv->ctx_lock); + err = mlx4_adev_init(dev); + if (err) + return err; + + ATOMIC_INIT_NOTIFIER_HEAD(&priv->event_nh); mutex_init(&priv->port_mutex); mutex_init(&priv->bond_mutex); @@ -3402,10 +3433,11 @@ static int mlx4_load_one(struct pci_dev *pdev, int pci_dev_data, err = mlx4_get_ownership(dev); if (err) { if (err < 0) - return err; + goto err_adev; else { mlx4_warn(dev, "Multiple PFs not yet supported - Skipping PF\n"); - return -EINVAL; + err = -EINVAL; + goto err_adev; } } @@ -3674,8 +3706,6 @@ slave_start: if (err) goto err_port; - mlx4_request_modules(dev); - mlx4_sense_init(dev); mlx4_start_sense(dev); @@ -3753,6 +3783,9 @@ err_sriov: mlx4_free_ownership(dev); kfree(dev_cap); + +err_adev: + mlx4_adev_cleanup(dev); return err; } @@ -4133,6 +4166,8 @@ static void mlx4_unload_one(struct pci_dev *pdev) mlx4_slave_destroy_special_qp_cap(dev); kfree(dev->dev_vfs); + mlx4_adev_cleanup(dev); + mlx4_clean_dev(dev); priv->pci_dev_data = pci_dev_data; priv->removed = 1; @@ -4520,6 +4555,9 @@ static int __init mlx4_init(void) { int ret; + WARN_ONCE(strcmp(MLX4_ADEV_NAME, KBUILD_MODNAME), + "mlx4_core name not in sync with kernel module name"); + if (mlx4_verify_params()) return -EINVAL; |