IB/mlx5: Set QP offsets and parameters for user QPs and not just for kernel QPs

For user QPs, the creation process does not currently initialize the fields:

 * qp->rq.offset
 * qp->sq.offset
 * qp->sq.wqe_shift

Signed-off-by: Haggai Eran <haggaie@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index a89f70473fb7..d13ddf1c0033 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -574,6 +574,10 @@ static int create_user_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd,
         uar_index = uuarn_to_uar_index(&context->uuari, uuarn);
         mlx5_ib_dbg(dev, "uuarn 0x%x, uar_index 0x%x\n", uuarn, uar_index);
 
+        qp->rq.offset = 0;
+        qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB);
+        qp->sq.offset = qp->rq.wqe_cnt << qp->rq.wqe_shift;
+
         err = set_user_buf_size(dev, qp, &ucmd);
         if (err)
                 goto err_uuar;