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IB/mlx5: Introduce a new mini-CQE format

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The new mini-CQE format includes the stride index, byte count and
packet checksum.
Stride index is needed for striding WQ feature.
This patch exposes this capability and enables its setting
via mlx5 UHW data as part of query device and cq creation.

Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Reviewed-by: Guy Levi <guyle@mellanox.com>
Signed-off-by: Yonatan Cohen <yonatanc@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Yonatan Cohen 2018-05-27 13:42:34 +03:00 • committed by Jason Gunthorpe
commit 6f1006a438
3 changed files with 37 additions and 11 deletions
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2
include/uapi/rdma/mlx5-abi.h
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@ -163,7 +163,7 @@ struct mlx5_ib_rss_caps {
enum mlx5_ib_cqe_comp_res_format {
MLX5_IB_CQE_RES_FORMAT_HASH = 1 << 0,
MLX5_IB_CQE_RES_FORMAT_CSUM = 1 << 1,
MLX5_IB_CQE_RES_RESERVED = 1 << 2,
MLX5_IB_CQE_RES_FORMAT_CSUM_STRIDX = 1 << 2,
};
struct mlx5_ib_cqe_comp_caps {