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| author | Yonatan Cohen <yonatanc@mellanox.com> | 2018-05-27 13:42:34 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-05-29 15:18:38 -0600 |
| commit | 6f1006a43869ff82745eea3b88204d0a3bcc0158 (patch) | |
| tree | 689c89ad93e857eedac390d833bc5e2b2b466bad /drivers/infiniband/hw/mlx5/main.c | |
| parent | 572f46bf947c3eeca8d16518e0fb70f9250b4416 (diff) | |
| download | op-kernel-dev-6f1006a43869ff82745eea3b88204d0a3bcc0158.zip op-kernel-dev-6f1006a43869ff82745eea3b88204d0a3bcc0158.tar.gz | |
IB/mlx5: Introduce a new mini-CQE format
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>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/main.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 029c310..e0894b2 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -993,6 +993,10 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, resp.cqe_comp_caps.supported_format = MLX5_IB_CQE_RES_FORMAT_HASH | MLX5_IB_CQE_RES_FORMAT_CSUM; + + if (MLX5_CAP_GEN(dev->mdev, mini_cqe_resp_stride_index)) + resp.cqe_comp_caps.supported_format |= + MLX5_IB_CQE_RES_FORMAT_CSUM_STRIDX; } } |
