From patchwork Tue Aug 3 02:28:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 491416 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=-19.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, 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 45BEEC432BE for ; Tue, 3 Aug 2021 02:29:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1AF3760EE8 for ; Tue, 3 Aug 2021 02:29:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233562AbhHCC3K (ORCPT ); Mon, 2 Aug 2021 22:29:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:58854 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233300AbhHCC3J (ORCPT ); Mon, 2 Aug 2021 22:29:09 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 9887761038; Tue, 3 Aug 2021 02:28:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1627957738; bh=kGmcbdjy5bUjaQyfPl3Kku+wKv+I5QOr+5yoSn4MtFA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lX93nS0VbEl16aKC/0whaVfJsx3LCQni89kZrVQsxmRj5WoMwSbRYbfkm5xRdpgMZ Ov/uSqf+9jz/VtX3JSpEIzawTxJ9KDDIgohkSvx4Ug/9MU8LFBK05G93xJ3U/8l84n oEq3fJcbJG/b3Mz4AdUoRjY/O2eHbFDI796O+yeREYBcKPjwjstfWBzWmlR+G7SCR2 JqKmrLPT/FhXj4ij4HbA/nz6/oUdzz5w28iWNp5vg0UC7Rza6XT9vR/jDj1HQP+x9y daGKsr+OTD2ELgOG/YyTGYF8Tti4tqlywsYIoH/QzKekmUpRKLslgVvXHncVIKExVW wq3PIPM/2xWWQ== From: Saeed Mahameed To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Maxim Mikityanskiy , Tariq Toukan , Saeed Mahameed Subject: [net-next 01/16] net/mlx5e: Use a new initializer to build uniform indir table Date: Mon, 2 Aug 2021 19:28:38 -0700 Message-Id: <20210803022853.106973-2-saeed@kernel.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210803022853.106973-1-saeed@kernel.org> References: <20210803022853.106973-1-saeed@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Maxim Mikityanskiy Replace mlx5e_build_default_indir_rqt with a new initializer of struct mlx5e_rss_params_indir that works directly with the struct, rather than its internals. The new initializer is called mlx5e_rss_params_indir_init_uniform, which also reflects the purpose (uniform spreading) better. Signed-off-by: Maxim Mikityanskiy Reviewed-by: Tariq Toukan Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/en.h | 3 --- drivers/net/ethernet/mellanox/mlx5/core/en/rqt.c | 9 +++++++++ drivers/net/ethernet/mellanox/mlx5/core/en/rqt.h | 3 +++ .../net/ethernet/mellanox/mlx5/core/en_main.c | 16 +++------------- drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 4 ++-- 5 files changed, 17 insertions(+), 18 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 35668986878a..87dabb8b8ac4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -984,9 +984,6 @@ void mlx5e_activate_priv_channels(struct mlx5e_priv *priv); void mlx5e_deactivate_priv_channels(struct mlx5e_priv *priv); int mlx5e_ptp_rx_manage_fs_ctx(struct mlx5e_priv *priv, void *ctx); -void mlx5e_build_default_indir_rqt(u32 *indirection_rqt, int len, - int num_channels); - int mlx5e_modify_rq_state(struct mlx5e_rq *rq, int curr_state, int next_state); void mlx5e_activate_rq(struct mlx5e_rq *rq); void mlx5e_deactivate_rq(struct mlx5e_rq *rq); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.c b/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.c index 38d0e9dbd6bd..b915fb29dd2c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.c @@ -4,6 +4,15 @@ #include "rqt.h" #include +void mlx5e_rss_params_indir_init_uniform(struct mlx5e_rss_params_indir *indir, + unsigned int num_channels) +{ + unsigned int i; + + for (i = 0; i < MLX5E_INDIR_RQT_SIZE; i++) + indir->table[i] = i % num_channels; +} + static int mlx5e_rqt_init(struct mlx5e_rqt *rqt, struct mlx5_core_dev *mdev, u16 max_size, u32 *init_rqns, u16 init_size) { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.h b/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.h index d2c76649efb0..60c985a12f24 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rqt.h @@ -14,6 +14,9 @@ struct mlx5e_rss_params_indir { u32 table[MLX5E_INDIR_RQT_SIZE]; }; +void mlx5e_rss_params_indir_init_uniform(struct mlx5e_rss_params_indir *indir, + unsigned int num_channels); + struct mlx5e_rqt { struct mlx5_core_dev *mdev; u32 rqtn; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 3e644d3955a8..68be4e0e77bf 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -2572,8 +2572,8 @@ int mlx5e_num_channels_changed(struct mlx5e_priv *priv) /* This function may be called on attach, before priv->rx_res is created. */ if (!netif_is_rxfh_configured(priv->netdev) && priv->rx_res) - mlx5e_build_default_indir_rqt(priv->rx_res->rss_params.indir.table, - MLX5E_INDIR_RQT_SIZE, count); + mlx5e_rss_params_indir_init_uniform(&priv->rx_res->rss_params.indir, + count); return 0; } @@ -4459,15 +4459,6 @@ const struct net_device_ops mlx5e_netdev_ops = { .ndo_get_devlink_port = mlx5e_get_devlink_port, }; -void mlx5e_build_default_indir_rqt(u32 *indirection_rqt, int len, - int num_channels) -{ - int i; - - for (i = 0; i < len; i++) - indirection_rqt[i] = i % num_channels; -} - static u32 mlx5e_choose_lro_timeout(struct mlx5_core_dev *mdev, u32 wanted_timeout) { int i; @@ -4488,8 +4479,7 @@ void mlx5e_build_rss_params(struct mlx5e_rss_params *rss_params, rss_params->hash.hfunc = ETH_RSS_HASH_TOP; netdev_rss_key_fill(rss_params->hash.toeplitz_hash_key, sizeof(rss_params->hash.toeplitz_hash_key)); - mlx5e_build_default_indir_rqt(rss_params->indir.table, - MLX5E_INDIR_RQT_SIZE, num_channels); + mlx5e_rss_params_indir_init_uniform(&rss_params->indir, num_channels); for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) rss_params->rx_hash_fields[tt] = mlx5e_rss_get_default_tt_config(tt).rx_hash_fields; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 2ef02fea119a..4d7ed24ae13c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -525,9 +525,9 @@ static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp) if (!indir) return -ENOMEM; - mlx5e_build_default_indir_rqt(indir->table, MLX5E_INDIR_RQT_SIZE, hp->num_channels); + mlx5e_rss_params_indir_init_uniform(indir, hp->num_channels); err = mlx5e_rqt_init_indir(&hp->indir_rqt, mdev, hp->pair->rqn, hp->num_channels, - priv->rx_res->rss_params.hash.hfunc, indir); + priv->rx_res->rss_params.hash.hfunc, indir); kvfree(indir); return err;