diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/main.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/main.c | 50 |
1 files changed, 44 insertions, 6 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 80df2ab0177..b2acbe7706a 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -95,10 +95,16 @@ MODULE_PARM_DESC(log_num_mgm_entry_size, "log mgm size, that defines the num" " Not in use with device managed" " flow steering"); +static bool enable_64b_cqe_eqe; +module_param(enable_64b_cqe_eqe, bool, 0444); +MODULE_PARM_DESC(enable_64b_cqe_eqe, + "Enable 64 byte CQEs/EQEs when the the FW supports this"); + #define HCA_GLOBAL_CAP_MASK 0 -#define PF_CONTEXT_BEHAVIOUR_MASK 0 -static char mlx4_version[] __devinitdata = +#define PF_CONTEXT_BEHAVIOUR_MASK MLX4_FUNC_CAP_64B_EQE_CQE + +static char mlx4_version[] = DRV_NAME ": Mellanox ConnectX core driver v" DRV_VERSION " (" DRV_RELDATE ")\n"; @@ -386,6 +392,21 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH]; dev->caps.sqp_demux = (mlx4_is_master(dev)) ? MLX4_MAX_NUM_SLAVES : 0; + + if (!enable_64b_cqe_eqe) { + if (dev_cap->flags & + (MLX4_DEV_CAP_FLAG_64B_CQE | MLX4_DEV_CAP_FLAG_64B_EQE)) { + mlx4_warn(dev, "64B EQEs/CQEs supported by the device but not enabled\n"); + dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_64B_CQE; + dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_64B_EQE; + } + } + + if ((dev_cap->flags & + (MLX4_DEV_CAP_FLAG_64B_CQE | MLX4_DEV_CAP_FLAG_64B_EQE)) && + mlx4_is_master(dev)) + dev->caps.function_caps |= MLX4_FUNC_CAP_64B_EQE_CQE; + return 0; } /*The function checks if there are live vf, return the num of them*/ @@ -599,6 +620,21 @@ static int mlx4_slave_cap(struct mlx4_dev *dev) goto err_mem; } + if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_64B_EQE_ENABLED) { + dev->caps.eqe_size = 64; + dev->caps.eqe_factor = 1; + } else { + dev->caps.eqe_size = 32; + dev->caps.eqe_factor = 0; + } + + if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_64B_CQE_ENABLED) { + dev->caps.cqe_size = 64; + dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_64B_CQE; + } else { + dev->caps.cqe_size = 32; + } + return 0; err_mem: @@ -1405,7 +1441,10 @@ unmap_bf: unmap_bf_area(dev); err_close: - mlx4_close_hca(dev); + if (mlx4_is_slave(dev)) + mlx4_slave_exit(dev); + else + mlx4_CLOSE_HCA(dev, 0); err_free_icm: if (!mlx4_is_slave(dev)) @@ -2221,8 +2260,7 @@ err_disable_pdev: return err; } -static int __devinit mlx4_init_one(struct pci_dev *pdev, - const struct pci_device_id *id) +static int mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id) { printk_once(KERN_INFO "%s", mlx4_version); @@ -2388,7 +2426,7 @@ static struct pci_driver mlx4_driver = { .name = DRV_NAME, .id_table = mlx4_pci_table, .probe = mlx4_init_one, - .remove = __devexit_p(mlx4_remove_one), + .remove = mlx4_remove_one, .err_handler = &mlx4_err_handler, }; |