From mboxrd@z Thu Jan 1 00:00:00 1970 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 A8A7AC43217 for ; Fri, 31 Dec 2021 08:20:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242800AbhLaIU6 (ORCPT ); Fri, 31 Dec 2021 03:20:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47070 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242814AbhLaIUz (ORCPT ); Fri, 31 Dec 2021 03:20:55 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8C2CCC061757 for ; Fri, 31 Dec 2021 00:20:51 -0800 (PST) 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 34527B81D55 for ; Fri, 31 Dec 2021 08:20:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9DD21C36AE9; Fri, 31 Dec 2021 08:20:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1640938850; bh=o2khhIZamMyXsj5MPZ4TFNTNwOS3sDu6p5LvJHhAKs4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aoQB4XTVQgv9C8Y1CcsWKUpiX1LWzgzCOLFc4VMzdY2B7xgGMDIsgv62c6iYVJITQ seFAWpwqwmR3CRCOkHy/dLhtcqwMLXb6u/ZcLfLqQ/z4rWh9cLXP0rzc02H1vTm0ne xfy99ItcI4X5eMaRMiBKE4rgwdCzRnWMKk5zTJ5kg0rhcmIOeSRqA0XCalV4BhaE4o 4QQ0TdM0AAhXyRwmPc1Xyb3yZ0aHG9bc4ju2pDEvfqrQifRKL8XTZXUe1E53H0Z2N2 GK0zHNbybl6X50zHdB8FTBX0QfgtmvE3yeaOBSObErkDj5yxkUPoL1RiHfvzx1wgVc rLChT+IuQK+8w== From: Saeed Mahameed To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Yevgeny Kliteynik , Saeed Mahameed Subject: [net-next v2 16/16] net/mlx5: Set SMFS as a default steering mode if device supports it Date: Fri, 31 Dec 2021 00:20:38 -0800 Message-Id: <20211231082038.106490-17-saeed@kernel.org> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211231082038.106490-1-saeed@kernel.org> References: <20211231082038.106490-1-saeed@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Yevgeny Kliteynik Set SMFS (SW-managed flow steering) as a default steering mode instead of DMFS (device-managed flow steering) In SMFS, the driver writes the STEs (Steering Table Entries) directly to the device's ICM, which allows for a higher rule insertion rate than through using FW command interface, as it is done in DMFS. SMFS/DMFS steering modes can be configured through devlink param 'flow_steering_mode'. The possible values are 'smfs' or 'dmfs'. The desired 'flow_steering_mode' param value should be set before enabling switchdev mode. Example: # devlink dev param set pci/0000:05:00.0 name flow_steering_mode smfs # devlink dev eswitch set pci/0000:05:00.0 mode switchdev Signed-off-by: Yevgeny Kliteynik Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index cc76ceebd208..b628917e38e4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -3083,6 +3083,11 @@ int mlx5_init_fs(struct mlx5_core_dev *dev) steering->dev = dev; dev->priv.steering = steering; + if (mlx5_fs_dr_is_supported(dev)) + steering->mode = MLX5_FLOW_STEERING_MODE_SMFS; + else + steering->mode = MLX5_FLOW_STEERING_MODE_DMFS; + steering->fgs_cache = kmem_cache_create("mlx5_fs_fgs", sizeof(struct mlx5_flow_group), 0, 0, NULL); -- 2.33.1