RDMA/mlx5: Fix query DCT via DEVX

When executing DEVX command to query QP object, we need to take the QP
type from the mlx5_ib_qp struct which hold the driver specific QP types as
well, such as DC.

Fixes: 34613eb1d2ad ("IB/mlx5: Enable modify and query verbs objects via DEVX")
Link: https://lore.kernel.org/r/6eee15d63f09bb70787488e0cf96216e2957f5aa.1621413654.git.leonro@nvidia.com
Reviewed-by: Yishai Hadas <yishaih@nvidia.com>
Signed-off-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c
index a0b677a..eb9b0a2 100644 (file)
--- a/drivers/infiniband/hw/mlx5/devx.c
+++ b/drivers/infiniband/hw/mlx5/devx.c
@@ -630,9 +630,8 @@ static bool devx_is_valid_obj_id(struct uverbs_attr_bundle *attrs,
        case UVERBS_OBJECT_QP:
        {
                struct mlx5_ib_qp *qp = to_mqp(uobj->object);
-               enum ib_qp_type qp_type = qp->ibqp.qp_type;
 
-               if (qp_type == IB_QPT_RAW_PACKET ||
+               if (qp->type == IB_QPT_RAW_PACKET ||
                    (qp->flags & IB_QP_CREATE_SOURCE_QPN)) {
                        struct mlx5_ib_raw_packet_qp *raw_packet_qp =
                                                         &qp->raw_packet_qp;
@@ -649,10 +648,9 @@ static bool devx_is_valid_obj_id(struct uverbs_attr_bundle *attrs,
                                               sq->tisn) == obj_id);
                }
 
-               if (qp_type == MLX5_IB_QPT_DCT)
+               if (qp->type == MLX5_IB_QPT_DCT)
                        return get_enc_obj_id(MLX5_CMD_OP_CREATE_DCT,
                                              qp->dct.mdct.mqp.qpn) == obj_id;
-
                return get_enc_obj_id(MLX5_CMD_OP_CREATE_QP,
                                      qp->ibqp.qp_num) == obj_id;
        }