IB/mlx5: Eliminate GSI RX QP's send buffers

Now that the transmission of GSI MADs is done with the special transmission
QPs, eliminate the send buffers in the GSI receive QP.

Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Haggai Eran <haggaie@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/hw/mlx5/gsi.c b/drivers/infiniband/hw/mlx5/gsi.c
index 938f6dd..53e03c8 100644 (file)
--- a/drivers/infiniband/hw/mlx5/gsi.c
+++ b/drivers/infiniband/hw/mlx5/gsi.c
@@ -187,6 +187,11 @@ struct ib_qp *mlx5_ib_gsi_create_qp(struct ib_pd *pd,
 
        hw_init_attr.qp_type = MLX5_IB_QPT_HW_GSI;
        hw_init_attr.send_cq = gsi->cq;
+       if (num_qps) {
+               hw_init_attr.cap.max_send_wr = 0;
+               hw_init_attr.cap.max_send_sge = 0;
+               hw_init_attr.cap.max_inline_data = 0;
+       }
        gsi->rx_qp = ib_create_qp(pd, &hw_init_attr);
        if (IS_ERR(gsi->rx_qp)) {
                mlx5_ib_warn(dev, "unable to create hardware GSI QP. error %ld\n",