On Sun, 2014-02-23 at 14:19 +0200, Sagi Grimberg wrote:
> If user requested signature enable we Initialize
> relevant mlx5_ib_qp members. we mark the qp as sig_enable
> and we increase the effective SQ size, but still
> limit the user max_send_wr to original size computed.
> We also allow the create_qp routine to accept sig_enable
> create flag.
>
> Signed-off-by: Sagi Grimberg <sa...@mellanox.com>
> ---
> drivers/infiniband/hw/mlx5/mlx5_ib.h | 3 +++
> drivers/infiniband/hw/mlx5/qp.c | 12 +++++++++---
> include/linux/mlx5/qp.h | 1 +
> 3 files changed, 13 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h
> b/drivers/infiniband/hw/mlx5/mlx5_ib.h
> index 79c4f14..e438f08 100644
> --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
> +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
> @@ -189,6 +189,9 @@ struct mlx5_ib_qp {
>
> int create_type;
> u32 pa_lkey;
> +
> + /* Store signature errors */
> + bool signature_en;
> };
>
> struct mlx5_ib_cq_buf {
> diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
> index 7dfe8a1..01999f3 100644
> --- a/drivers/infiniband/hw/mlx5/qp.c
> +++ b/drivers/infiniband/hw/mlx5/qp.c
<SNIP>
> @@ -665,7 +671,7 @@ static int create_kernel_qp(struct mlx5_ib_dev *dev,
> int err;
>
> uuari = &dev->mdev.priv.uuari;
> - if (init_attr->create_flags)
> + if (init_attr->create_flags & ~IB_QP_CREATE_SIGNATURE_EN)
> return -EINVAL;
>
> if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR)
FYI, this particular block doesn't apply against >= v3.14-rc2 code.
Dropping it for now, and applying the rest as #5.
Please fix if necessary.
--nab
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
