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>

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index f4ef4a2..aa03e73 100644 (file)
--- 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 091576a..7dfe8a1 100644 (file)
--- 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;