From 6afff1c7152f6f0787d7ad5de2e124f8643f0a45 Mon Sep 17 00:00:00 2001 From: Guy Levi Date: Tue, 4 Jul 2017 16:24:27 +0300 Subject: [PATCH] IB/mlx4: Expose RSS capabilities As a final step to support RSS feature, expose the RSS capabilities in query device verb. It includes: - Max rwq indirection tables. - Max rwq indirection table size. - Supported qp types. Signed-off-by: Guy Levi Reviewed-by: Yishai Hadas Signed-off-by: Leon Romanovsky Signed-off-by: Doug Ledford --- drivers/infiniband/hw/mlx4/main.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index b42234571a8c..1dee0a51ef67 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -556,8 +556,13 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, if ((dev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS) && (mlx4_ib_port_link_layer(ibdev, 1) == IB_LINK_LAYER_ETHERNET || - mlx4_ib_port_link_layer(ibdev, 2) == IB_LINK_LAYER_ETHERNET)) + mlx4_ib_port_link_layer(ibdev, 2) == IB_LINK_LAYER_ETHERNET)) { + props->rss_caps.max_rwq_indirection_tables = props->max_qp; + props->rss_caps.max_rwq_indirection_table_size = + dev->dev->caps.max_rss_tbl_sz; + props->rss_caps.supported_qpts = 1 << IB_QPT_RAW_PACKET; props->max_wq_type_rq = props->max_qp; + } if (!mlx4_is_slave(dev->dev)) err = mlx4_get_internal_clock_params(dev->dev, &clock_params); -- 2.20.1