diff options
| author | Tariq Toukan <tariqt@mellanox.com> | 2017-02-22 15:20:13 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-22 11:43:31 (GMT) |
| commit | a63326646995ffeacea6517c89cd178abb2c2af8 (patch) | |
| tree | 148891b866e611de2ea6bc6c1ef5c68fa1e4694b /drivers | |
| parent | 9e354abf9ce35fbce434b99f0f4ab292152049af (diff) | |
| download | linux-a63326646995ffeacea6517c89cd178abb2c2af8.tar.xz | |
net/mlx5e: Do not reduce LRO WQE size when not using build_skb
[ Upstream commit 4078e637c12f1e0a74293f1ec9563f42bff14a03 ]
When rq_type is Striding RQ, no room of SKB_RESERVE is needed
as SKB allocation is not done via build_skb.
Fixes: e4b85508072b ("net/mlx5e: Slightly reduce hardware LRO size")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 8657b3b..d4fa851 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -81,6 +81,7 @@ static bool mlx5e_check_fragmented_striding_rq_cap(struct mlx5_core_dev *mdev) static void mlx5e_set_rq_type_params(struct mlx5e_priv *priv, u8 rq_type) { priv->params.rq_wq_type = rq_type; + priv->params.lro_wqe_sz = MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ; switch (priv->params.rq_wq_type) { case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: priv->params.log_rq_size = MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE_MPW; @@ -92,6 +93,10 @@ static void mlx5e_set_rq_type_params(struct mlx5e_priv *priv, u8 rq_type) break; default: /* MLX5_WQ_TYPE_LINKED_LIST */ priv->params.log_rq_size = MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE; + + /* Extra room needed for build_skb */ + priv->params.lro_wqe_sz -= MLX5_RX_HEADROOM + + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); } priv->params.min_rx_wqes = mlx5_min_rx_wqes(priv->params.rq_wq_type, BIT(priv->params.log_rq_size)); @@ -3473,12 +3478,6 @@ static void mlx5e_build_nic_netdev_priv(struct mlx5_core_dev *mdev, mlx5e_build_default_indir_rqt(mdev, priv->params.indirection_rqt, MLX5E_INDIR_RQT_SIZE, profile->max_nch(mdev)); - priv->params.lro_wqe_sz = - MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ - - /* Extra room needed for build_skb */ - MLX5_RX_HEADROOM - - SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); - /* Initialize pflags */ MLX5E_SET_PRIV_FLAG(priv, MLX5E_PFLAG_RX_CQE_BASED_MODER, priv->params.rx_cq_period_mode == MLX5_CQ_PERIOD_MODE_START_FROM_CQE); |