diff --git a/Documentation/networking/devlink/mlx5.rst b/Documentation/networking/devlink/mlx5.rst index 291e7f63af73..38089f0aefcf 100644 --- a/Documentation/networking/devlink/mlx5.rst +++ b/Documentation/networking/devlink/mlx5.rst @@ -20,6 +20,9 @@ Parameters * - ``io_eq_size`` - driverinit - The range is between 64 and 4096. + * - ``event_eq_size`` + - driverinit + - The range is between 64 and 4096. The ``mlx5`` driver also implements the following driver-specific parameters. diff --git a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c index 177c6e9159f8..37b7600c5545 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c @@ -579,6 +579,8 @@ static const struct devlink_param mlx5_devlink_params[] = { mlx5_devlink_enable_remote_dev_reset_set, NULL), DEVLINK_PARAM_GENERIC(IO_EQ_SIZE, BIT(DEVLINK_PARAM_CMODE_DRIVERINIT), NULL, NULL, mlx5_devlink_eq_depth_validate), + DEVLINK_PARAM_GENERIC(EVENT_EQ_SIZE, BIT(DEVLINK_PARAM_CMODE_DRIVERINIT), + NULL, NULL, mlx5_devlink_eq_depth_validate), }; static void mlx5_devlink_set_params_init_values(struct devlink *devlink) @@ -622,6 +624,11 @@ static void mlx5_devlink_set_params_init_values(struct devlink *devlink) devlink_param_driverinit_value_set(devlink, DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE, value); + + value.vu32 = MLX5_NUM_ASYNC_EQE; + devlink_param_driverinit_value_set(devlink, + DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE, + value); } static const struct devlink_param enable_eth_param = diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c index 7686d7c9c824..b695aad71ee1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c @@ -623,6 +623,20 @@ static void cleanup_async_eq(struct mlx5_core_dev *dev, name, err); } +static u16 async_eq_depth_devlink_param_get(struct mlx5_core_dev *dev) +{ + struct devlink *devlink = priv_to_devlink(dev); + union devlink_param_value val; + int err; + + err = devlink_param_driverinit_value_get(devlink, + DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE, + &val); + if (!err) + return val.vu32; + mlx5_core_dbg(dev, "Failed to get param. using default. err = %d\n", err); + return MLX5_NUM_ASYNC_EQE; +} static int create_async_eqs(struct mlx5_core_dev *dev) { struct mlx5_eq_table *table = dev->priv.eq_table; @@ -647,7 +661,7 @@ static int create_async_eqs(struct mlx5_core_dev *dev) param = (struct mlx5_eq_param) { .irq_index = MLX5_IRQ_EQ_CTRL, - .nent = MLX5_NUM_ASYNC_EQE, + .nent = async_eq_depth_devlink_param_get(dev), }; gather_async_events_mask(dev, param.mask);