From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leon Romanovsky Subject: [PATCH rdma-next 3/3] IB/mlx5: Report packet based credit mode device capability Date: Fri, 30 Nov 2018 13:22:06 +0200 Message-ID: <20181130112206.19870-4-leon@kernel.org> References: <20181130112206.19870-1-leon@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: Leon Romanovsky , RDMA mailing list , Danit Goldberg , Majd Dibbiny , Saeed Mahameed , linux-netdev To: Doug Ledford , Jason Gunthorpe Return-path: Received: from mail.kernel.org ([198.145.29.99]:37122 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726512AbeK3WbP (ORCPT ); Fri, 30 Nov 2018 17:31:15 -0500 In-Reply-To: <20181130112206.19870-1-leon@kernel.org> Sender: netdev-owner@vger.kernel.org List-ID: From: Danit Goldberg Report packet based credit mode capability via the mlx5 DV interface. Signed-off-by: Danit Goldberg Reviewed-by: Majd Dibbiny Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/mlx5/main.c | 3 +++ include/uapi/rdma/mlx5-abi.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 0acf6a4d8f4b..1ad5e35663af 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -1018,6 +1018,9 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, if (MLX5_CAP_GEN(mdev, cqe_128_always)) resp.flags |= MLX5_IB_QUERY_DEV_RESP_FLAGS_CQE_128B_PAD; + if (MLX5_CAP_GEN(mdev, qp_packet_based)) + resp.flags |= + MLX5_IB_QUERY_DEV_RESP_PACKET_BASED_CREDIT_MODE; } if (field_avail(typeof(resp), sw_parsing_caps, diff --git a/include/uapi/rdma/mlx5-abi.h b/include/uapi/rdma/mlx5-abi.h index 4af581170f62..87b3198f4b5d 100644 --- a/include/uapi/rdma/mlx5-abi.h +++ b/include/uapi/rdma/mlx5-abi.h @@ -237,6 +237,7 @@ enum mlx5_ib_query_dev_resp_flags { /* Support 128B CQE compression */ MLX5_IB_QUERY_DEV_RESP_FLAGS_CQE_128B_COMP = 1 << 0, MLX5_IB_QUERY_DEV_RESP_FLAGS_CQE_128B_PAD = 1 << 1, + MLX5_IB_QUERY_DEV_RESP_PACKET_BASED_CREDIT_MODE = 1 << 2, }; enum mlx5_ib_tunnel_offloads { -- 2.19.1