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dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.161 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.161; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.161) by BN8NAM11FT027.mail.protection.outlook.com (10.13.177.96) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5632.12 via Frontend Transport; Tue, 20 Sep 2022 14:05:31 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by mail.nvidia.com (10.129.200.67) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.26; Tue, 20 Sep 2022 07:05:04 -0700 Received: from nvidia.com (10.126.230.35) by rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.29; Tue, 20 Sep 2022 07:05:02 -0700 From: Michael Savisko To: CC: , , , , Matan Azrad Subject: [PATCH 07/10] net/mlx5: get priority to send traffic to kernel Date: Tue, 20 Sep 2022 17:04:19 +0300 Message-ID: <20220920140422.98165-8-michaelsav@nvidia.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220920140422.98165-1-michaelsav@nvidia.com> References: <20220920140422.98165-1-michaelsav@nvidia.com> MIME-Version: 1.0 X-Originating-IP: [10.126.230.35] X-ClientProxiedBy: rnnvmail202.nvidia.com (10.129.68.7) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT027:EE_|IA1PR12MB6531:EE_ X-MS-Office365-Filtering-Correlation-Id: 6d0384d3-4821-4c00-2947-08da9b112e4d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Sep 2022 14:05:31.7873 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 6d0384d3-4821-4c00-2947-08da9b112e4d X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.161]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT027.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB6531 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 Introduce mlx5_get_send_to_kernel_priority() function which returns value of priority which must be used to jump back to table 0 in order to send traffic to kernel. This function returns lowest priority. Signed-off-by: Michael Savisko --- drivers/net/mlx5/mlx5_flow.c | 33 +++++++++++++++++++++++++++++++++ drivers/net/mlx5/mlx5_flow.h | 1 + 2 files changed, 34 insertions(+) diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c index 8c93a3f2e5..c9e2b68957 100644 --- a/drivers/net/mlx5/mlx5_flow.c +++ b/drivers/net/mlx5/mlx5_flow.c @@ -10968,6 +10968,39 @@ mlx5_flow_adjust_priority(struct rte_eth_dev *dev, int32_t priority, return res; } +/** + * Get the priority for sending traffic to kernel table. + * + * @param[in] dev + * Pointer to the Ethernet device structure. + * + * @return + * On success: the value of priority for sending traffic to kernel table + * On failure: -1 + */ +uint32_t +mlx5_get_send_to_kernel_priority(struct rte_eth_dev *dev) +{ + struct mlx5_priv *priv = dev->data->dev_private; + uint32_t res; + + switch (priv->sh->flow_max_priority) { + case RTE_DIM(priority_map_5): + res = 15; + break; + case RTE_DIM(priority_map_3): + res = 7; + break; + default: + DRV_LOG(ERR, + "port %u maximum priority: %d expected 8/16", + dev->data->port_id, priv->sh->flow_max_priority); + res = (uint32_t)-1; + } + + return res; +} + /** * Get the E-Switch Manager vport id. * diff --git a/drivers/net/mlx5/mlx5_flow.h b/drivers/net/mlx5/mlx5_flow.h index 860c6cd2ad..f4228a5549 100644 --- a/drivers/net/mlx5/mlx5_flow.h +++ b/drivers/net/mlx5/mlx5_flow.h @@ -1750,6 +1750,7 @@ uint32_t mlx5_get_lowest_priority(struct rte_eth_dev *dev, uint16_t mlx5_get_matcher_priority(struct rte_eth_dev *dev, const struct rte_flow_attr *attr, uint32_t subpriority, bool external); +uint32_t mlx5_get_send_to_kernel_priority(struct rte_eth_dev *dev); int mlx5_flow_get_reg_id(struct rte_eth_dev *dev, enum mlx5_feature_name feature, uint32_t id,