From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leon Romanovsky Subject: [PATCH rdma-next 4/4] IB/mlx4: Expose RSS capabilities Date: Thu, 22 Jun 2017 16:44:12 +0300 Message-ID: <20170622134412.7680-5-leon@kernel.org> References: <20170622134412.7680-1-leon@kernel.org> Return-path: In-Reply-To: <20170622134412.7680-1-leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Doug Ledford Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Guy Levi List-Id: linux-rdma@vger.kernel.org From: Guy Levi 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 --- 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 97b82b0c680c..6c11aed181a5 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 = 128; + 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 = MLX4_IB_MAX_CTX_WQS; + } if (!mlx4_is_slave(dev->dev)) err = mlx4_get_internal_clock_params(dev->dev, &clock_params); -- 2.13.1 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html