IB/mlx5: Don't set "block multicast loopback" capability

Currently Connect-IB does not support blocking multicast loopback, so
don't set IB_DEVICE_BLOCK_MULTICAST_LOOPBACK in the device caps.

Reported by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

2 files changed, 3 insertions, 4 deletions

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index f4ef4a24d410..aa03e732b6a8 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -261,8 +261,7 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
         props->device_cap_flags    = IB_DEVICE_CHANGE_PHY_PORT |
                 IB_DEVICE_PORT_ACTIVE_EVENT             |
                 IB_DEVICE_SYS_IMAGE_GUID                |
-                IB_DEVICE_RC_RNR_NAK_GEN                |
-                IB_DEVICE_BLOCK_MULTICAST_LOOPBACK;
+                IB_DEVICE_RC_RNR_NAK_GEN;
         flags = dev->mdev.caps.flags;
         if (flags & MLX5_DEV_CAP_FLAG_BAD_PKEY_CNTR)
                 props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 091576a777e9..7dfe8a1c84cf 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -665,8 +665,8 @@ static int create_kernel_qp(struct mlx5_ib_dev *dev,
         int err;
 
         uuari = &dev->mdev.priv.uuari;
-        if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK)
-                qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK;
+        if (init_attr->create_flags)
+                return -EINVAL;
 
         if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR)
                 lc = MLX5_IB_LATENCY_CLASS_FAST_PATH;