From patchwork Thu Feb 11 21:10:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris Pismenny X-Patchwork-Id: 12084157 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 878E2C433E0 for ; Thu, 11 Feb 2021 21:15:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4BC6E64E45 for ; Thu, 11 Feb 2021 21:15:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229683AbhBKVPk convert rfc822-to-8bit (ORCPT ); Thu, 11 Feb 2021 16:15:40 -0500 Received: from hqnvemgate25.nvidia.com ([216.228.121.64]:14837 "EHLO hqnvemgate25.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230244AbhBKVNM (ORCPT ); Thu, 11 Feb 2021 16:13:12 -0500 Received: from hqmail.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate25.nvidia.com (using TLS: TLSv1.2, AES256-SHA) id ; Thu, 11 Feb 2021 13:12:09 -0800 Received: from HQMAIL109.nvidia.com (172.20.187.15) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 11 Feb 2021 21:12:04 +0000 Received: from vdi.nvidia.com (172.20.145.6) by mail.nvidia.com (172.20.187.15) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 11 Feb 2021 21:11:59 +0000 From: Boris Pismenny To: , , , , , , , , , , CC: , , , , , , Boris Pismenny , Or Gerlitz , Yoray Zack Subject: [PATCH v4 net-next 14/21] net/mlx5e: KLM UMR helper macros Date: Thu, 11 Feb 2021 23:10:37 +0200 Message-ID: <20210211211044.32701-15-borisp@mellanox.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20210211211044.32701-1-borisp@mellanox.com> References: <20210211211044.32701-1-borisp@mellanox.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Ben Ben-Ishay Add helper macros for posting KLM UMR WQE. Signed-off-by: Boris Pismenny Signed-off-by: Ben Ben-Ishay Signed-off-by: Or Gerlitz Signed-off-by: Yoray Zack --- drivers/net/ethernet/mellanox/mlx5/core/en.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 98be350849b2..1982e0a58be7 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -153,6 +153,24 @@ struct page_pool; #define MLX5E_UMR_WQEBBS \ (DIV_ROUND_UP(MLX5E_UMR_WQE_INLINE_SZ, MLX5_SEND_WQE_BB)) +#define KLM_ALIGNMENT 4 +#define MLX5E_KLM_UMR_WQE_SZ(sgl_len)\ + (sizeof(struct mlx5e_umr_wqe) +\ + (sizeof(struct mlx5_klm) * (sgl_len))) + +#define MLX5E_KLM_UMR_WQEBBS(sgl_len)\ + (DIV_ROUND_UP(MLX5E_KLM_UMR_WQE_SZ(sgl_len), MLX5_SEND_WQE_BB)) + +#define MLX5E_KLM_UMR_DS_CNT(sgl_len)\ + DIV_ROUND_UP(MLX5E_KLM_UMR_WQE_SZ(sgl_len), MLX5_SEND_WQE_DS) + +#define MLX5E_MAX_KLM_ENTRIES_PER_WQE(wqe_size)\ + (((wqe_size) - sizeof(struct mlx5e_umr_wqe)) / sizeof(struct mlx5_klm)) + +#define MLX5E_KLM_ENTRIES_PER_WQE(wqe_size)\ + (MLX5E_MAX_KLM_ENTRIES_PER_WQE(wqe_size) -\ + (MLX5E_MAX_KLM_ENTRIES_PER_WQE(wqe_size) % KLM_ALIGNMENT)) + #define MLX5E_MSG_LEVEL NETIF_MSG_LINK #define mlx5e_dbg(mlevel, priv, format, ...) \