IB/mlx5: Mask out unsupported ODP capabilities for kernel QPs

The ODP handler for WQEs in RQ or SRQ is not implented for kernel QPs.
Therefore don't report support in these if query comes from a kernel user.

Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 760630c..994d59c 100644 (file)
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -1015,6 +1015,23 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
                if (dev->odp_caps.general_caps & IB_ODP_SUPPORT)
                        props->device_cap_flags |= IB_DEVICE_ON_DEMAND_PAGING;
                props->odp_caps = dev->odp_caps;
+               if (!uhw) {
+                       /* ODP for kernel QPs is not implemented for receive
+                        * WQEs and SRQ WQEs
+                        */
+                       props->odp_caps.per_transport_caps.rc_odp_caps &=
+                               ~(IB_ODP_SUPPORT_READ |
+                                 IB_ODP_SUPPORT_SRQ_RECV);
+                       props->odp_caps.per_transport_caps.uc_odp_caps &=
+                               ~(IB_ODP_SUPPORT_READ |
+                                 IB_ODP_SUPPORT_SRQ_RECV);
+                       props->odp_caps.per_transport_caps.ud_odp_caps &=
+                               ~(IB_ODP_SUPPORT_READ |
+                                 IB_ODP_SUPPORT_SRQ_RECV);
+                       props->odp_caps.per_transport_caps.xrc_odp_caps &=
+                               ~(IB_ODP_SUPPORT_READ |
+                                 IB_ODP_SUPPORT_SRQ_RECV);
+               }
        }
 
        if (MLX5_CAP_GEN(mdev, cd))