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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 12.22.5.235 as permitted sender) receiver=protection.outlook.com; client-ip=12.22.5.235; helo=mail.nvidia.com; Received: from mail.nvidia.com (12.22.5.235) by BN8NAM11FT025.mail.protection.outlook.com (10.13.177.136) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.5017.24 via Frontend Transport; Mon, 28 Feb 2022 08:11:35 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by DRHQMAIL107.nvidia.com (10.27.9.16) with Microsoft SMTP Server (TLS) id 15.0.1497.18; Mon, 28 Feb 2022 08:11:33 +0000 Received: from nvidia.com (10.126.231.35) 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 15.2.986.9; Mon, 28 Feb 2022 00:11:29 -0800 From: Asaf Penso To: CC: , , , Subject: [PATCH v3] doc: add steps to configure VF interface as trusted Date: Mon, 28 Feb 2022 10:11:17 +0200 Message-ID: <20220228081117.3013452-1-asafp@nvidia.com> X-Mailer: git-send-email 2.18.2 In-Reply-To: <20220228073947.3009246-1-asafp@nvidia.com> References: <20220228073947.3009246-1-asafp@nvidia.com> MIME-Version: 1.0 X-Originating-IP: [10.126.231.35] X-ClientProxiedBy: rnnvmail201.nvidia.com (10.129.68.8) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 13e74159-d918-4d5c-0ac1-08d9fa91f07e X-MS-TrafficTypeDiagnostic: MN2PR12MB3405:EE_ X-LD-Processed: 43083d15-7273-40c1-b7db-39efd9ccc17a,ExtAddr X-Microsoft-Antispam-PRVS: 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: 28 Feb 2022 08:11:35.9755 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 13e74159-d918-4d5c-0ac1-08d9fa91f07e X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[12.22.5.235]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT025.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB3405 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 Trusted VF is needed to offload rules with rte_flow to a group that is bigger than 0. The configuration is done in two parts: driver and FW. This patch adds the needed steps to configure a VF to be trusted. Signed-off-by: Asaf Penso Reviewed-by: Raslan Darawsheh --- v3: cleanup the patches v2: added new line at the end of the file - comment from Stephen Hemminger --- doc/guides/nics/mlx5.rst | 50 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst index c31a154181..a28b31d751 100644 --- a/doc/guides/nics/mlx5.rst +++ b/doc/guides/nics/mlx5.rst @@ -1613,3 +1613,53 @@ both the meters in hierarchy on that flow. add port meter policy 0 2 g_actions meter mtr_id M / end y_actions end r_actions drop / end create port meter 0 N 2 2 yes 0xffff 1 0 flow create 0 ingress group 1 pattern eth / end actions meter mtr_id N / end + +How to configure a VF as trusted +-------------------------------- + +This section demonstrates how to configure a virtual function (VF) interface as trusted. +Trusted VF is needed to offload rules with rte_flow to a group that is bigger than 0. +The configuration is done in two parts: driver and FW. + +The procedure below is an example of using a ConnectX-5 adapter card (pf0) with 2 VFs: + +#. Create 2 VFs on the PF pf0 when in Legacy SR-IOV mode:: + + $ echo 2 > /sys/class/net/pf0/device/mlx5_num_vfs + +#. Verify the VFs are created: + + .. code-block:: console + + $ lspci | grep Mellanox + 82:00.0 Ethernet controller: Mellanox Technologies MT27800 Family [ConnectX-5] + 82:00.1 Ethernet controller: Mellanox Technologies MT27800 Family [ConnectX-5] + 82:00.2 Ethernet controller: Mellanox Technologies MT27800 Family [ConnectX-5 Virtual Function] + 82:00.3 Ethernet controller: Mellanox Technologies MT27800 Family [ConnectX-5 Virtual Function] + +#. Unbind all VFs. For each VF PCIe, using the following command to unbind the driver:: + + $ echo "0000:82:00.2" >> /sys/bus/pci/drivers/mlx5_core/unbind + +#. Set the VFs to be trusted for the kernel by using one of the methods below: + - Using sysfs file:: + + $ echo ON | tee /sys/class/net/pf0/device/sriov/0/trust + $ echo ON | tee /sys/class/net/pf0/device/sriov/1/trust + + - Using “ip link” command:: + + $ ip link set p0 vf 0 trust on + $ ip link set p0 vf 1 trust on + +#. Configure all VFs using mlxreg:: + + $ mlxreg -d /dev/mst/mt4121_pciconf0 --reg_name VHCA_TRUST_LEVEL --yes --set "all_vhca=0x1,trust_level=0x1" + + .. note:: + + Firmware version used must be >= xx.29.1016 and MFT >= 4.18 + +#. For each VF PCIe, using the following command to bind the driver:: + + $ echo "0000:82:00.2" >> /sys/bus/pci/drivers/mlx5_core/bind