mirror of https://gitee.com/openkylin/linux.git
net/mlx5: Use u16 for Work Queue buffer fragment size
Minimal stride size is 16.
Hence, the number of strides in a fragment (of PAGE_SIZE)
is <= PAGE_SIZE / 16 <= 4K.
u16 is sufficient to represent this.
Fixes: 388ca8be00
("IB/mlx5: Implement fragmented completion queue (CQ)")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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@ -39,9 +39,9 @@ u32 mlx5_wq_cyc_get_size(struct mlx5_wq_cyc *wq)
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return (u32)wq->fbc.sz_m1 + 1;
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}
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u32 mlx5_wq_cyc_get_frag_size(struct mlx5_wq_cyc *wq)
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u16 mlx5_wq_cyc_get_frag_size(struct mlx5_wq_cyc *wq)
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{
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return (u32)wq->fbc.frag_sz_m1 + 1;
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return wq->fbc.frag_sz_m1 + 1;
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}
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u32 mlx5_cqwq_get_size(struct mlx5_cqwq *wq)
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@ -80,7 +80,7 @@ int mlx5_wq_cyc_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
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void *wqc, struct mlx5_wq_cyc *wq,
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struct mlx5_wq_ctrl *wq_ctrl);
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u32 mlx5_wq_cyc_get_size(struct mlx5_wq_cyc *wq);
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u32 mlx5_wq_cyc_get_frag_size(struct mlx5_wq_cyc *wq);
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u16 mlx5_wq_cyc_get_frag_size(struct mlx5_wq_cyc *wq);
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int mlx5_wq_qp_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
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void *qpc, struct mlx5_wq_qp *wq,
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@ -362,7 +362,7 @@ struct mlx5_frag_buf {
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struct mlx5_frag_buf_ctrl {
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struct mlx5_frag_buf frag_buf;
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u32 sz_m1;
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u32 frag_sz_m1;
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u16 frag_sz_m1;
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u32 strides_offset;
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u8 log_sz;
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u8 log_stride;
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