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 X-Spam-Level: X-Spam-Status: No, score=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 72400C433E0 for ; Thu, 11 Feb 2021 21:13:28 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 027F164DCD for ; Thu, 11 Feb 2021 21:13:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 027F164DCD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mellanox.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=aT0WOwK6+jAbEvqWlIpfi261Joj/+QRmtvvoS/Jf7ok=; b=qooNVmZ5OpAfo34aD3MoVGk7M S2Cdc/di+I64+6KJ4pfMTIdNa1K2LBAvh43XHUSCli6Fq3H225OurZJyrBdV3GRHBKnMIRR3ythjR V1Jz/8alKT3n0WUsEfJUQCQZ8TLgXFRgsjxK+mZLQ+f1je7U6giXdV19lEr4xJI49THwy58dKQE4V eFv5D3ARlQpKcqo2GZQllANNerANzmUM6XFO92tW/rKUlqEAClyik+hfPCOHKjtfzH1NlZdC1vgTI XEcIgqxTf73mdVHu71wyc7LDxrtq0qAK+wT/3nolrZ3FmQuj+vDOQ7h04MWpOu+5BEDcGR0GvUW5M fR5wZrnaQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1lAJH3-0004m3-9a; Thu, 11 Feb 2021 21:13:17 +0000 Received: from hqnvemgate26.nvidia.com ([216.228.121.65]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1lAJFu-0004JZ-0a for linux-nvme@lists.infradead.org; Thu, 11 Feb 2021 21:12:10 +0000 Received: from hqmail.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate26.nvidia.com (using TLS: TLSv1.2, AES256-SHA) id ; Thu, 11 Feb 2021 13:12:05 -0800 Received: from HQMAIL109.nvidia.com (172.20.187.15) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 11 Feb 2021 21:11:54 +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 21:11:49 +0000 From: Boris Pismenny To: , , , , , , , , , , Subject: [PATCH v4 net-next 12/21] net/mlx5e: TCP flow steering for nvme-tcp Date: Thu, 11 Feb 2021 23:10:35 +0200 Message-ID: <20210211211044.32701-13-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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210211_161206_198837_EB852187 X-CRM114-Status: GOOD ( 13.33 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Yoray Zack , Boris Pismenny , yorayz@nvidia.com, boris.pismenny@gmail.com, Ben Ben-Ishay , benishay@nvidia.com, linux-nvme@lists.infradead.org, netdev@vger.kernel.org, Or Gerlitz , ogerlitz@nvidia.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org Both nvme-tcp and tls require tcp flow steering. Compile it for both of them. Additionally, use reference counting to allocate/free TCP flow steering. 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/fs.h | 4 ++-- .../net/ethernet/mellanox/mlx5/core/en_accel/fs_tcp.c | 10 ++++++++++ .../net/ethernet/mellanox/mlx5/core/en_accel/fs_tcp.h | 2 +- 3 files changed, 13 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h b/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h index a16297e7e2ac..a7fe3a6358ea 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h @@ -137,7 +137,7 @@ enum { MLX5E_L2_FT_LEVEL, MLX5E_TTC_FT_LEVEL, MLX5E_INNER_TTC_FT_LEVEL, -#ifdef CONFIG_MLX5_EN_TLS +#if defined(CONFIG_MLX5_EN_TLS) || defined(CONFIG_MLX5_EN_NVMEOTCP) MLX5E_ACCEL_FS_TCP_FT_LEVEL, #endif #ifdef CONFIG_MLX5_EN_ARFS @@ -256,7 +256,7 @@ struct mlx5e_flow_steering { #ifdef CONFIG_MLX5_EN_ARFS struct mlx5e_arfs_tables arfs; #endif -#ifdef CONFIG_MLX5_EN_TLS +#if defined(CONFIG_MLX5_EN_TLS) || defined(CONFIG_MLX5_EN_NVMEOTCP) struct mlx5e_accel_fs_tcp *accel_tcp; #endif }; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/fs_tcp.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/fs_tcp.c index e51f60b55daa..21341a92f355 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/fs_tcp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/fs_tcp.c @@ -14,6 +14,7 @@ enum accel_fs_tcp_type { struct mlx5e_accel_fs_tcp { struct mlx5e_flow_table tables[ACCEL_FS_TCP_NUM_TYPES]; struct mlx5_flow_handle *default_rules[ACCEL_FS_TCP_NUM_TYPES]; + refcount_t ref_count; }; static enum mlx5e_traffic_types fs_accel2tt(enum accel_fs_tcp_type i) @@ -337,6 +338,7 @@ static int accel_fs_tcp_enable(struct mlx5e_priv *priv) return err; } } + refcount_set(&priv->fs.accel_tcp->ref_count, 1); return 0; } @@ -360,6 +362,9 @@ void mlx5e_accel_fs_tcp_destroy(struct mlx5e_priv *priv) if (!priv->fs.accel_tcp) return; + if (!refcount_dec_and_test(&priv->fs.accel_tcp->ref_count)) + return; + accel_fs_tcp_disable(priv); for (i = 0; i < ACCEL_FS_TCP_NUM_TYPES; i++) @@ -376,6 +381,11 @@ int mlx5e_accel_fs_tcp_create(struct mlx5e_priv *priv) if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ft_field_support.outer_ip_version)) return -EOPNOTSUPP; + if (priv->fs.accel_tcp) { + refcount_inc(&priv->fs.accel_tcp->ref_count); + return 0; + } + priv->fs.accel_tcp = kzalloc(sizeof(*priv->fs.accel_tcp), GFP_KERNEL); if (!priv->fs.accel_tcp) return -ENOMEM; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/fs_tcp.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/fs_tcp.h index 589235824543..8aff9298183c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/fs_tcp.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/fs_tcp.h @@ -6,7 +6,7 @@ #include "en.h" -#ifdef CONFIG_MLX5_EN_TLS +#if defined(CONFIG_MLX5_EN_TLS) || defined(CONFIG_MLX5_EN_NVMEOTCP) int mlx5e_accel_fs_tcp_create(struct mlx5e_priv *priv); void mlx5e_accel_fs_tcp_destroy(struct mlx5e_priv *priv); struct mlx5_flow_handle *mlx5e_accel_fs_add_sk(struct mlx5e_priv *priv, -- 2.24.1 _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme