From ebe6ccc53ff06a3782b95547eecb393222de057f Mon Sep 17 00:00:00 2001 From: Haggai Eran Date: Mon, 29 Feb 2016 15:45:11 +0200 Subject: [PATCH] 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 Signed-off-by: Haggai Eran Signed-off-by: Doug Ledford --- drivers/infiniband/hw/mlx5/gsi.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/infiniband/hw/mlx5/gsi.c b/drivers/infiniband/hw/mlx5/gsi.c index 938f6dd..53e03c8 100644 --- 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", -- 2.7.4