summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMoni Shoua <monis@mellanox.com>2020-01-15 13:43:36 +0100
committerLeon Romanovsky <leonro@mellanox.com>2020-01-16 15:15:00 +0100
commita73a895588520a40e52f967a7b2892baf810c708 (patch)
treea4699f4ef713950d816ae34e8f11880791d9d02f
parentRDMA/mlx5: Don't fake udata for kernel path (diff)
downloadlinux-a73a895588520a40e52f967a7b2892baf810c708.tar.xz
linux-a73a895588520a40e52f967a7b2892baf810c708.zip
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>
-rw-r--r--drivers/infiniband/hw/mlx5/main.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 760630c7aae7..994d59cd9daf 100644
--- 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))