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net/mlx5e: Fix defaulting RX ring size when not needed

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Fixes the bug when turning on/off CQE compression mechanism
resets the RX rings size to default value when it is not
needed.

Fixes: 2fc4bfb725 ("net/mlx5e: Dynamic RQ type infrastructure")
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Eugenia Emantayev 2017-11-14 09:44:55 +02:00 committed by Saeed Mahameed
parent 2989ad1ec0
commit 696a97cf9f
4 changed files with 22 additions and 13 deletions
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8
drivers/net/ethernet/mellanox/mlx5/core/en.h
View File

@ -82,6 +82,9 @@
max_t(u32, MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(mdev), req)
#define MLX5_MPWRQ_DEF_LOG_STRIDE_SZ(mdev) MLX5_MPWRQ_LOG_STRIDE_SZ(mdev, 6)
#define MLX5_MPWRQ_CQE_CMPRS_LOG_STRIDE_SZ(mdev) MLX5_MPWRQ_LOG_STRIDE_SZ(mdev, 8)
#define MLX5E_MPWQE_STRIDE_SZ(mdev, cqe_cmprs) \
(cqe_cmprs ? MLX5_MPWRQ_CQE_CMPRS_LOG_STRIDE_SZ(mdev) : \
MLX5_MPWRQ_DEF_LOG_STRIDE_SZ(mdev))
#define MLX5_MPWRQ_LOG_WQE_SZ 18
#define MLX5_MPWRQ_WQE_PAGE_ORDER (MLX5_MPWRQ_LOG_WQE_SZ - PAGE_SHIFT > 0 ? \
@ -936,8 +939,9 @@ void mlx5e_set_tx_cq_mode_params(struct mlx5e_params *params,
u8 cq_period_mode);
void mlx5e_set_rx_cq_mode_params(struct mlx5e_params *params,
u8 cq_period_mode);
void mlx5e_set_rq_type_params(struct mlx5_core_dev *mdev,
struct mlx5e_params *params, u8 rq_type);
void mlx5e_init_rq_type_params(struct mlx5_core_dev *mdev,
struct mlx5e_params *params,
u8 rq_type);
static inline bool mlx5e_tunnel_inner_ft_supported(struct mlx5_core_dev *mdev)
{

10
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
View File

@ -1523,8 +1523,10 @@ int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool new_val
new_channels.params = priv->channels.params;
MLX5E_SET_PFLAG(&new_channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS, new_val);
mlx5e_set_rq_type_params(priv->mdev, &new_channels.params,
new_channels.params.rq_wq_type);
new_channels.params.mpwqe_log_stride_sz =
MLX5E_MPWQE_STRIDE_SZ(priv->mdev, new_val);
new_channels.params.mpwqe_log_num_strides =
MLX5_MPWRQ_LOG_WQE_SZ - new_channels.params.mpwqe_log_stride_sz;
if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
priv->channels.params = new_channels.params;
@ -1536,6 +1538,10 @@ int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool new_val
return err;
mlx5e_switch_priv_channels(priv, &new_channels, NULL);
mlx5e_dbg(DRV, priv, "MLX5E: RxCqeCmprss was turned %s\n",
MLX5E_GET_PFLAG(&priv->channels.params,
MLX5E_PFLAG_RX_CQE_COMPRESS) ? "ON" : "OFF");
return 0;
}

15
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
View File

@ -78,8 +78,8 @@ static bool mlx5e_check_fragmented_striding_rq_cap(struct mlx5_core_dev *mdev)
MLX5_CAP_ETH(mdev, reg_umr_sq);
}
void mlx5e_set_rq_type_params(struct mlx5_core_dev *mdev,
struct mlx5e_params *params, u8 rq_type)
void mlx5e_init_rq_type_params(struct mlx5_core_dev *mdev,
struct mlx5e_params *params, u8 rq_type)
{
params->rq_wq_type = rq_type;
params->lro_wqe_sz = MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ;
@ -88,10 +88,8 @@ void mlx5e_set_rq_type_params(struct mlx5_core_dev *mdev,
params->log_rq_size = is_kdump_kernel() ?
MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW :
MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE_MPW;
params->mpwqe_log_stride_sz =
MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_CQE_COMPRESS) ?
MLX5_MPWRQ_CQE_CMPRS_LOG_STRIDE_SZ(mdev) :
MLX5_MPWRQ_DEF_LOG_STRIDE_SZ(mdev);
params->mpwqe_log_stride_sz = MLX5E_MPWQE_STRIDE_SZ(mdev,
MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_CQE_COMPRESS));
params->mpwqe_log_num_strides = MLX5_MPWRQ_LOG_WQE_SZ -
params->mpwqe_log_stride_sz;
break;
@ -115,13 +113,14 @@ void mlx5e_set_rq_type_params(struct mlx5_core_dev *mdev,
MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_CQE_COMPRESS));
}
static void mlx5e_set_rq_params(struct mlx5_core_dev *mdev, struct mlx5e_params *params)
static void mlx5e_set_rq_params(struct mlx5_core_dev *mdev,
struct mlx5e_params *params)
{
u8 rq_type = mlx5e_check_fragmented_striding_rq_cap(mdev) &&
!params->xdp_prog && !MLX5_IPSEC_DEV(mdev) ?
MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ :
MLX5_WQ_TYPE_LINKED_LIST;
mlx5e_set_rq_type_params(mdev, params, rq_type);
mlx5e_init_rq_type_params(mdev, params, rq_type);
}
static void mlx5e_update_carrier(struct mlx5e_priv *priv)

2
drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
View File

@ -57,7 +57,7 @@ static void mlx5i_build_nic_params(struct mlx5_core_dev *mdev,
struct mlx5e_params *params)
{
/* Override RQ params as IPoIB supports only LINKED LIST RQ for now */
mlx5e_set_rq_type_params(mdev, params, MLX5_WQ_TYPE_LINKED_LIST);
mlx5e_init_rq_type_params(mdev, params, MLX5_WQ_TYPE_LINKED_LIST);
/* RQ size in ipoib by default is 512 */
params->log_rq_size = is_kdump_kernel() ?