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[PATCH 4.4 253/342] IB/mlx5: Expose correct maximum number of CQE capacity

Started byGreg Kroah-Hartman <gregkh@linuxfoundation.org>
First post2016-03-02 01:30 +0100
Last post2016-03-02 01:30 +0100
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  [PATCH 4.4 253/342] IB/mlx5: Expose correct maximum number of CQE capacity Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-03-02 01:30 +0100

#1347265 — [PATCH 4.4 253/342] IB/mlx5: Expose correct maximum number of CQE capacity

FromGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Date2016-03-02 01:30 +0100
Subject[PATCH 4.4 253/342] IB/mlx5: Expose correct maximum number of CQE capacity
Message-ID<r82PX-8co-67@gated-at.bofh.it>
4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Leon Romanovsky <leonro@mellanox.com>

commit 9f17768611ebf81dfac69948dd12622b6f2e45fc upstream.

Maximum number of EQE capacity per CQ was mistakenly exposed
as CQE. Fix that.

Fixes: 938fe83c8dcb ("net/mlx5_core: New device capabilities handling")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/infiniband/hw/mlx5/main.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -275,7 +275,7 @@ static int mlx5_ib_query_device(struct i
 	props->max_sge = min(max_rq_sg, max_sq_sg);
 	props->max_sge_rd = props->max_sge;
 	props->max_cq		   = 1 << MLX5_CAP_GEN(mdev, log_max_cq);
-	props->max_cqe = (1 << MLX5_CAP_GEN(mdev, log_max_eq_sz)) - 1;
+	props->max_cqe = (1 << MLX5_CAP_GEN(mdev, log_max_cq_sz)) - 1;
 	props->max_mr		   = 1 << MLX5_CAP_GEN(mdev, log_max_mkey);
 	props->max_pd		   = 1 << MLX5_CAP_GEN(mdev, log_max_pd);
 	props->max_qp_rd_atom	   = 1 << MLX5_CAP_GEN(mdev, log_max_ra_req_qp);

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