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RDMA/mlx5: Don't rely on FW to set zeros in ECE response

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The FW returns zeros in case feature is not enabled, but it is better to
have the capability check and ensure that returned result is cleared.

Fixes: 3e09a427ae ("RDMA/mlx5: Get ECE options from FW during create QP")
Link: https://lore.kernel.org/r/20200602125548.172654-3-leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Leon Romanovsky 2020-06-02 15:55:47 +03:00 committed by Jason Gunthorpe
parent 6512f11d38
commit 92cd667c0e
1 changed files with 4 additions and 2 deletions
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6
drivers/infiniband/hw/mlx5/qp.c
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@ -1906,7 +1906,8 @@ static int create_xrc_tgt_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
base->container_mibqp = qp;
base->mqp.event = mlx5_ib_qp_event;
params->resp.ece_options = MLX5_GET(create_qp_out, out, ece);
if (MLX5_CAP_GEN(mdev, ece_support))
params->resp.ece_options = MLX5_GET(create_qp_out, out, ece);
spin_lock_irqsave(&dev->reset_flow_resource_lock, flags);
list_add_tail(&qp->qps_list, &dev->qp_list);
@ -2082,7 +2083,8 @@ static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd,
base->container_mibqp = qp;
base->mqp.event = mlx5_ib_qp_event;
params->resp.ece_options = MLX5_GET(create_qp_out, out, ece);
if (MLX5_CAP_GEN(mdev, ece_support))
params->resp.ece_options = MLX5_GET(create_qp_out, out, ece);
get_cqs(qp->type, init_attr->send_cq, init_attr->recv_cq,
&send_cq, &recv_cq);