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dpdk.org; dkim=none (message not signed) header.d=none;dpdk.org; dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.112.34 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.112.34; helo=mail.nvidia.com; Received: from mail.nvidia.com (216.228.112.34) by BN8NAM11FT016.mail.protection.outlook.com (10.13.176.97) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.4352.24 via Frontend Transport; Tue, 27 Jul 2021 06:46:40 +0000 Received: from nvidia.com (172.20.187.5) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 27 Jul 2021 06:46:38 +0000 From: Lior Margalit To: Matan Azrad CC: Lior Margalit , , Date: Tue, 27 Jul 2021 09:46:19 +0300 Message-ID: <20210727064620.880417-2-lmargalit@nvidia.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210727064620.880417-1-lmargalit@nvidia.com> References: <20210713125442.1366424-1-lmargalit@nvidia.com> <20210727064620.880417-1-lmargalit@nvidia.com> MIME-Version: 1.0 X-Originating-IP: [172.20.187.5] X-ClientProxiedBy: HQMAIL111.nvidia.com (172.20.187.18) To HQMAIL107.nvidia.com (172.20.187.13) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 5a0b34a5-b560-4e82-bee7-08d950ca4a34 X-MS-TrafficTypeDiagnostic: MWHPR12MB1630: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8882; 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CAT:NONE; SFS:(4636009)(36840700001)(46966006)(316002)(37006003)(36860700001)(36756003)(2616005)(86362001)(7696005)(426003)(47076005)(7636003)(83380400001)(2906002)(6286002)(1076003)(450100002)(508600001)(70586007)(54906003)(8676002)(6666004)(336012)(82310400003)(36906005)(4326008)(16526019)(6862004)(70206006)(8936002)(5660300002)(186003)(356005)(55016002)(6636002)(26005); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Jul 2021 06:46:40.5733 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5a0b34a5-b560-4e82-bee7-08d950ca4a34 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.112.34]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT016.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR12MB1630 Subject: [dpdk-dev] [PATCH v2 1/2] net/mlx5: fix RSS L4 proto selection flags settings X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" The RSS hash types defined in the API do not support setting the L4 proto type (TCP or UDP) without setting the L3 proto. For example, ETH_RSS_TCP is defined as (ETH_RSS_NONFRAG_IPV4_TCP | \ ETH_RSS_NONFRAG_IPV6_TCP | \ ETH_RSS_IPV6_TCP_EX). The L3 proto of the RSS hash type may be different than the one defined in the pattern, for example: testpmd> flow create .../ ipv4 / tcp / end actions rss types ipv6-tcp-ex end / end If the RSS hash type also includes L4 proto type as in the above example, the selection flags for the RX hash are currently set with SPORT/DPORT without setting SRC/DST IP. As this combination is not supported, it does not match any of the pre-created TIRs of the indirect RSS action and the flow creation fails. The fix is to prevent setting the selection flags for the RX hash with SPORT/DPORT without setting SRC/DST IP. It applies non-RSS processing of the received packets. In case of indirect RSS action, it will match the MLX5_RSS_HASH_NONE pre-created TIR. Fixes: b1d63d829378 ("net/mlx5: support RSS on src or dst fields only") Fixes: 4a78c88e3bae ("net/mlx5: fix Verbs flow tunnel") Cc: stable@dpdk.org Signed-off-by: Lior Margalit Acked-by: Matan Azrad --- drivers/net/mlx5/mlx5_flow_dv.c | 12 +++++++++--- drivers/net/mlx5/mlx5_flow_verbs.c | 10 ++++++---- 2 files changed, 15 insertions(+), 7 deletions(-) diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c index 736227bc0c..fe922b6fbe 100644 --- a/drivers/net/mlx5/mlx5_flow_dv.c +++ b/drivers/net/mlx5/mlx5_flow_dv.c @@ -10896,10 +10896,8 @@ flow_dv_hashfields_set(struct mlx5_flow *dev_flow, dev_flow->hash_fields = 0; #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT - if (rss_desc->level >= 2) { - dev_flow->hash_fields |= IBV_RX_HASH_INNER; + if (rss_desc->level >= 2) rss_inner = 1; - } #endif if ((rss_inner && (items & MLX5_FLOW_LAYER_INNER_L3_IPV4)) || (!rss_inner && (items & MLX5_FLOW_LAYER_OUTER_L3_IPV4))) { @@ -10922,6 +10920,12 @@ flow_dv_hashfields_set(struct mlx5_flow *dev_flow, dev_flow->hash_fields |= MLX5_IPV6_IBV_RX_HASH; } } + if (dev_flow->hash_fields == 0) + /* + * There is no match between the rss types and the + * l3 protocol (IPv4/IPv6) defined in the flow. + */ + return; if ((rss_inner && (items & MLX5_FLOW_LAYER_INNER_L4_UDP)) || (!rss_inner && (items & MLX5_FLOW_LAYER_OUTER_L4_UDP))) { if (rss_types & ETH_RSS_UDP) { @@ -10947,6 +10951,8 @@ flow_dv_hashfields_set(struct mlx5_flow *dev_flow, dev_flow->hash_fields |= MLX5_TCP_IBV_RX_HASH; } } + if (rss_inner) + dev_flow->hash_fields |= IBV_RX_HASH_INNER; } /** diff --git a/drivers/net/mlx5/mlx5_flow_verbs.c b/drivers/net/mlx5/mlx5_flow_verbs.c index 7b3d0b320d..a36b8adf6b 100644 --- a/drivers/net/mlx5/mlx5_flow_verbs.c +++ b/drivers/net/mlx5/mlx5_flow_verbs.c @@ -1821,8 +1821,9 @@ flow_verbs_translate(struct rte_eth_dev *dev, flow_verbs_translate_item_tcp(dev_flow, items, item_flags); subpriority = MLX5_PRIORITY_MAP_L4; - dev_flow->hash_fields |= - mlx5_flow_hashfields_adjust + if (dev_flow->hash_fields != 0) + dev_flow->hash_fields |= + mlx5_flow_hashfields_adjust (rss_desc, tunnel, ETH_RSS_TCP, (IBV_RX_HASH_SRC_PORT_TCP | IBV_RX_HASH_DST_PORT_TCP)); @@ -1833,8 +1834,9 @@ flow_verbs_translate(struct rte_eth_dev *dev, flow_verbs_translate_item_udp(dev_flow, items, item_flags); subpriority = MLX5_PRIORITY_MAP_L4; - dev_flow->hash_fields |= - mlx5_flow_hashfields_adjust + if (dev_flow->hash_fields != 0) + dev_flow->hash_fields |= + mlx5_flow_hashfields_adjust (rss_desc, tunnel, ETH_RSS_UDP, (IBV_RX_HASH_SRC_PORT_UDP | IBV_RX_HASH_DST_PORT_UDP)); From patchwork Tue Jul 27 06:46:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lior Margalit X-Patchwork-Id: 96310 X-Patchwork-Delegate: rasland@nvidia.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 427BEA0C4D; Tue, 27 Jul 2021 08:46:53 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 22F834111C; Tue, 27 Jul 2021 08:46:47 +0200 (CEST) Received: from NAM12-BN8-obe.outbound.protection.outlook.com (mail-bn8nam12on2040.outbound.protection.outlook.com [40.107.237.40]) by mails.dpdk.org (Postfix) with ESMTP id F3C0A410FB; 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DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Jul 2021 06:46:43.2672 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e539df65-cb9c-46e7-8a08-08d950ca4bc9 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.112.34]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT039.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW3PR12MB4569 Subject: [dpdk-dev] [PATCH v2 2/2] net/mlx5: fix queue num in RSS desc X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" The selection flags for the RX hash define how the received packets will be distributed between multiple queues. When creating a new TIR, the queue_num is set to 1 if non of the selection flags is set. Applied the same to the RSS desc before checking if it matches a cached TIR object to save creating a new object every time. Fixes: fabf8a37241c ("net/mlx5: fix shared RSS action release") Cc: stable@dpdk.org Signed-off-by: Lior Margalit Acked-by: Matan Azrad --- drivers/net/mlx5/mlx5_flow_dv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c index fe922b6fbe..4aac69028f 100644 --- a/drivers/net/mlx5/mlx5_flow_dv.c +++ b/drivers/net/mlx5/mlx5_flow_dv.c @@ -10985,6 +10985,8 @@ flow_dv_hrxq_prepare(struct rte_eth_dev *dev, rss_desc->hash_fields = dev_flow->hash_fields; rss_desc->tunnel = !!(dh->layers & MLX5_FLOW_LAYER_TUNNEL); rss_desc->shared_rss = 0; + if (rss_desc->hash_fields == 0) + rss_desc->queue_num = 1; *hrxq_idx = mlx5_hrxq_get(dev, rss_desc); if (!*hrxq_idx) return NULL;