From patchwork Tue Aug 10 13:24:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Parav Pandit X-Patchwork-Id: 12428897 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=-19.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 1A643C4320E for ; Tue, 10 Aug 2021 13:24:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 013E56108F for ; Tue, 10 Aug 2021 13:24:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241372AbhHJNZH (ORCPT ); Tue, 10 Aug 2021 09:25:07 -0400 Received: from mail-bn8nam11on2067.outbound.protection.outlook.com ([40.107.236.67]:43478 "EHLO NAM11-BN8-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S241338AbhHJNZF (ORCPT ); Tue, 10 Aug 2021 09:25:05 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=JSAJHiBPHL+1hkZe5wTLgNpBXJLna4x+jJNgMdnuEOHE/W/8VedcsQPFVHCl3MHmu6l6FpgoctABVePFiZHYCXoaEEQ/MUmheuTz6jhTejrfKiLgBVONGnRvK5LjD66oamFGmD8+0BCD1v+24Uk2bAisTIiF94l6uZvX8TFDdg5gzNJ+nPFXL8fIn/IjVrQT/km9mdp6es4mng/LeF/fXc4XGyZkFc9m2hU6UULb8DE8em6HfGUFBkLtrANzQM74xUuMrD/vl7yC/hxeCslkw7uBsOwxHhcemol7gtYhuom5PaRmimbhYL+7vymj876pmtTKhaz+2JVz+Q/TOFoxOQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=w4/S67V7WOYwqMo9/yFokbt27R1+xYcr9QtOyrtDXIQ=; b=TsEAY44ZrMkDxg20KolzLaqf0FbaIPckdJgc1EqTaEdV85WaI8ppHQOU2R3lWpHvNWyfqNvUWXenGLf0rCA/nMeXfGk7L8puydrSb4wX1W51vFsmRsaanXseGp1wA9h7mPiR6AILvJa9H2Mwf039zTE5dKJxwgWGWc6zBiaSLiZbQWFq70lUVHZhJvTRnoo9ltOhrvd0DuVDJV/GupBvKS3Euh3MOYWeUQ4mpgIv0N6oQP45ZIsn8JibKeyvdSUTmbFCuxUPzv9sW08xRw16XGjmJZ0OYCcc7HJfS47UokoRmbwHp1MboURzzuQ2kBogK2p6H48VvvXygwlXGa60Gw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.112.34) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=nvidia.com; dmarc=pass (p=quarantine sp=none pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=w4/S67V7WOYwqMo9/yFokbt27R1+xYcr9QtOyrtDXIQ=; b=Cq/ToheyhhH5EEBx0gjhzE603391DHItPV3xj57veRkesYhuYjzkIlME5TxVSnS51ZR+AG2+3a7QHKIIS0lflnoT5tvdQS0c2E+H2271m8UjE5ZTxzCx/F3GhIRGQZkJy9/6uDPlGYfeg76tcozJNogmwfac3r1C+99yZghn4aMDHrD96zEDHpjbVEl6Uevpbdu0JLyV3MPJ+JIzWzvyEwk3iBWkknQRDWjroccq/v6KnISSyKxLH/2qSXzdW4SXUIoSpF9mCAbcfrxmAMrLLY1hm7PfyAa8qCqWukKcJlnBgzrVJmQ1bJnKnskGUJUh8reA5lHi8AV4kJq3EDY3Qw== Received: from MW4PR03CA0017.namprd03.prod.outlook.com (2603:10b6:303:8f::22) by DM6PR12MB2796.namprd12.prod.outlook.com (2603:10b6:5:50::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4394.19; Tue, 10 Aug 2021 13:24:40 +0000 Received: from CO1NAM11FT017.eop-nam11.prod.protection.outlook.com (2603:10b6:303:8f:cafe::20) by MW4PR03CA0017.outlook.office365.com (2603:10b6:303:8f::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4394.17 via Frontend Transport; Tue, 10 Aug 2021 13:24:40 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.112.34) smtp.mailfrom=nvidia.com; vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.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 CO1NAM11FT017.mail.protection.outlook.com (10.13.175.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.4394.16 via Frontend Transport; Tue, 10 Aug 2021 13:24:40 +0000 Received: from sw-mtx-036.mtx.labs.mlnx (172.20.187.5) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 10 Aug 2021 13:24:39 +0000 From: Parav Pandit To: , , CC: , , Parav Pandit , Jiri Pirko , "Leon Romanovsky" Subject: [PATCH RESEND net-next 03/10] devlink: Add new "enable_vnet" generic device param Date: Tue, 10 Aug 2021 16:24:17 +0300 Message-ID: <20210810132424.9129-4-parav@nvidia.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210810132424.9129-1-parav@nvidia.com> References: <20210810132424.9129-1-parav@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: 8a75ade7-7867-419d-7170-08d95c023599 X-MS-TrafficTypeDiagnostic: DM6PR12MB2796: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:6430; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.112.34;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:schybrid03.nvidia.com;CAT:NONE;SFS:(4636009)(396003)(346002)(376002)(39860400002)(136003)(46966006)(36840700001)(4326008)(478600001)(70206006)(2906002)(1076003)(426003)(70586007)(7636003)(8936002)(5660300002)(336012)(186003)(82310400003)(26005)(36756003)(356005)(16526019)(47076005)(82740400003)(6666004)(86362001)(110136005)(54906003)(8676002)(316002)(36860700001)(36906005)(107886003)(2616005)(83380400001)(41533002);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Aug 2021 13:24:40.7464 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8a75ade7-7867-419d-7170-08d95c023599 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: CO1NAM11FT017.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB2796 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Add new device generic parameter to enable/disable creation of VDPA net auxiliary device and associated device functionality in the devlink instance. User who prefers to disable such functionality can disable it using below example. $ devlink dev param set pci/0000:06:00.0 \ name enable_vnet value false cmode driverinit $ devlink dev reload pci/0000:06:00.0 At this point devlink instance do not create auxiliary device for the VDPA net functionality. Signed-off-by: Parav Pandit Reviewed-by: Jiri Pirko Reviewed-by: Leon Romanovsky --- Documentation/networking/devlink/devlink-params.rst | 4 ++++ include/net/devlink.h | 4 ++++ net/core/devlink.c | 5 +++++ 3 files changed, 13 insertions(+) diff --git a/Documentation/networking/devlink/devlink-params.rst b/Documentation/networking/devlink/devlink-params.rst index a49da0b049b6..4878907e9232 100644 --- a/Documentation/networking/devlink/devlink-params.rst +++ b/Documentation/networking/devlink/devlink-params.rst @@ -105,6 +105,10 @@ own name. - Boolean - When enabled, the device driver will instantiate RDMA specific auxiliary device of the devlink device. + * - ``enable_vnet`` + - Boolean + - When enabled, the device driver will instantiate VDPA networking + specific auxiliary device of the devlink device. * - ``internal_err_reset`` - Boolean - When enabled, the device driver will reset the device on internal diff --git a/include/net/devlink.h b/include/net/devlink.h index 6f4f0416e598..0a0becbcdc49 100644 --- a/include/net/devlink.h +++ b/include/net/devlink.h @@ -521,6 +521,7 @@ enum devlink_param_generic_id { DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET, DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH, DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA, + DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET, /* add new param generic ids above here*/ __DEVLINK_PARAM_GENERIC_ID_MAX, @@ -567,6 +568,9 @@ enum devlink_param_generic_id { #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma" #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL +#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet" +#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL + #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ { \ .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ diff --git a/net/core/devlink.c b/net/core/devlink.c index b68d6921d34f..867ae7e39788 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -4287,6 +4287,11 @@ static const struct devlink_param devlink_param_generic[] = { .name = DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME, .type = DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE, }, + { + .id = DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET, + .name = DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME, + .type = DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE, + }, }; static int devlink_param_generic_verify(const struct devlink_param *param)