From patchwork Sun Mar 19 12:59:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leon Romanovsky X-Patchwork-Id: 13180348 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 70E79C7618A for ; Sun, 19 Mar 2023 13:00:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231131AbjCSNAy (ORCPT ); Sun, 19 Mar 2023 09:00:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56270 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230484AbjCSNAa (ORCPT ); Sun, 19 Mar 2023 09:00:30 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 298821F903; Sun, 19 Mar 2023 06:00:01 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 1B6FDB80B92; Sun, 19 Mar 2023 12:59:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5017FC433EF; Sun, 19 Mar 2023 12:59:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1679230789; bh=NpdR/c+XS1nAlwTk2Z9WvH6MAHJDRRHN4AvWpg/CeHc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Vlk5w1DB38Ru0G+yMFDzmhGPjPFEoqwzI79WHkEBBz2/usSA4oyWAyao18eK+FIop mws1EnyKk4noxEinnX2i5MZvYI0gB/3Ih6uMrgtI5fMF78nSVhP89JYEZBlbAkI0j1 uLvjSemrVHiv0D/iNeWQwLlR4yTBbzx5s7FFXIkrGir9RzP5dyojj8bfdxY+tlq8dF eOCyITVpbBCU6cu5khHxOdysrg7M5c6sIOltXkWBTzyDKjSbQlTON8MEJ/yPgFhCYf MPnIhsGAqUFJ9/uV/cfW+U0dHT7NqpMd7u8KyYhercJUdGEpbCu1tl/TDgGZqaGufS /OtMsovlQhtsg== From: Leon Romanovsky To: Jason Gunthorpe Cc: Or Har-Toov , "David S. Miller" , Eric Dumazet , Jakub Kicinski , linux-rdma@vger.kernel.org, netdev@vger.kernel.org, Paolo Abeni , Saeed Mahameed Subject: [PATCH rdma-next 2/3] RDMA/mlx5: Disable out-of-order in integrity enabled QPs Date: Sun, 19 Mar 2023 14:59:31 +0200 Message-Id: <362de42cdc7a541afa5b1fd0ec6ae706061764a2.1679230449.git.leon@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Or Har-Toov Set retry_mode to GO_BACK_N when qp is created with INTEGRITY_EN flag because out-of-order is not supported when doing HW offload of signature operations. Signed-off-by: Or Har-Toov Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/mlx5/qp.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index f04adc18e63b..d32b644885b3 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -60,6 +60,10 @@ enum raw_qp_set_mask_map { MLX5_RAW_QP_RATE_LIMIT = 1UL << 1, }; +enum { + MLX5_QP_RM_GO_BACK_N = 0x1, +}; + struct mlx5_modify_raw_qp_param { u16 operation; @@ -2521,6 +2525,10 @@ static int create_kernel_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); + if (qp->flags & IB_QP_CREATE_INTEGRITY_EN && + MLX5_CAP_GEN(mdev, go_back_n)) + MLX5_SET(qpc, qpc, retry_mode, MLX5_QP_RM_GO_BACK_N); + err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); kvfree(in); if (err)