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net/mlx5e: Do not reduce LRO WQE size when not using build_skb
When rq_type is Striding RQ, no room of SKB_RESERVE is needed
as SKB allocation is not done via build_skb.
Fixes: e4b8550807
("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>
This commit is contained in:
parent
6f08a22c5f
commit
4078e637c1
@ -82,6 +82,7 @@ static bool mlx5e_check_fragmented_striding_rq_cap(struct mlx5_core_dev *mdev)
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static void mlx5e_set_rq_type_params(struct mlx5e_priv *priv, u8 rq_type)
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{
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priv->params.rq_wq_type = rq_type;
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priv->params.lro_wqe_sz = MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ;
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switch (priv->params.rq_wq_type) {
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case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
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priv->params.log_rq_size = is_kdump_kernel() ?
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@ -98,6 +99,10 @@ static void mlx5e_set_rq_type_params(struct mlx5e_priv *priv, u8 rq_type)
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priv->params.log_rq_size = is_kdump_kernel() ?
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MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE :
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MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE;
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/* Extra room needed for build_skb */
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priv->params.lro_wqe_sz -= MLX5_RX_HEADROOM +
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SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
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}
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priv->params.min_rx_wqes = mlx5_min_rx_wqes(priv->params.rq_wq_type,
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BIT(priv->params.log_rq_size));
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@ -3547,12 +3552,6 @@ static void mlx5e_build_nic_netdev_priv(struct mlx5_core_dev *mdev,
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mlx5e_build_default_indir_rqt(mdev, priv->params.indirection_rqt,
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MLX5E_INDIR_RQT_SIZE, profile->max_nch(mdev));
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priv->params.lro_wqe_sz =
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MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ -
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/* Extra room needed for build_skb */
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MLX5_RX_HEADROOM -
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SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
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/* Initialize pflags */
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MLX5E_SET_PFLAG(priv, MLX5E_PFLAG_RX_CQE_BASED_MODER,
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priv->params.rx_cq_period_mode == MLX5_CQ_PERIOD_MODE_START_FROM_CQE);
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