In order to create a CQ that supports timestamp, mlx5 needs to support the extended create CQ command with the timestamp flag.
Signed-off-by: Matan Barak <[email protected]> Reviewed-by: Eli Cohen <[email protected]> --- drivers/infiniband/hw/mlx5/cq.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c index 3ce5cfa7..a9a7921 100644 --- a/drivers/infiniband/hw/mlx5/cq.c +++ b/drivers/infiniband/hw/mlx5/cq.c @@ -760,6 +760,10 @@ static void destroy_cq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *cq) mlx5_db_free(dev->mdev, &cq->db); } +enum { + CQ_CREATE_FLAGS_SUPPORTED = IB_CQ_FLAGS_TIMESTAMP_COMPLETION +}; + struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev, const struct ib_cq_init_attr *attr, struct ib_ucontext *context, @@ -783,6 +787,9 @@ struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev, if (entries < 0) return ERR_PTR(-EINVAL); + if (attr->flags & ~CQ_CREATE_FLAGS_SUPPORTED) + return ERR_PTR(-EOPNOTSUPP); + entries = roundup_pow_of_two(entries + 1); if (entries > (1 << MLX5_CAP_GEN(dev->mdev, log_max_cq_sz))) return ERR_PTR(-EINVAL); -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
