From patchwork Mon Feb 13 18:34:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lucero Palau, Alejandro" X-Patchwork-Id: 13138831 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 140D2C6379F for ; Mon, 13 Feb 2023 18:35:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229891AbjBMSfS (ORCPT ); Mon, 13 Feb 2023 13:35:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58026 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229556AbjBMSfR (ORCPT ); Mon, 13 Feb 2023 13:35:17 -0500 Received: from NAM10-MW2-obe.outbound.protection.outlook.com (mail-mw2nam10on2055.outbound.protection.outlook.com [40.107.94.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0DBCC729D; Mon, 13 Feb 2023 10:35:16 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=gAOjD1QrVn4zksLilPRI4OKBveDitNyWt9aI2hIupol09oAaF1N2D+jAGBLFCpZZoVpim1yL6LVQSMnD7Rx/yaErvsQ5xM4L9JsnveTfw41RXtxsqenqBpmSG5MkzY30H26/PsYNX5japgH+uw6I6eJCHhqTedKMgMApPGYD2Hnnj/c4eC0pPx6cdDrpiGzkvd+R9Sa1Jf8AjRu5dw0+5MWK+/DMWdYmGiHRqn8fVIPGbfD28FyG7rLNIuQGsyFYaeKuUij99y02fytFJYNcemZhh+HhiGDmVp50exyL1SSrE0NJeHrbgdKK5yqRET5wOPUxdS6mW67Ybu5xg1ZYig== 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-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=/yG/NiDjff3ZnK1mXl7rRDT++qzgC3LQQhupV7VwdFY=; b=gilWjqW8bW7Cq3DaGFx65mNBXd4zQ9N3nywsiDqBOvQhaaRNSWtNTwqMNmhGN5uNvhnLIeoUkLiE9rd+BkWv4Ys8MRiZWXwXaOtSSRfpTgsoysbMK5RtiCsWMjFJEnAhWhjIJz24ovyKHtI4g1EUz/Zu+kISmhgPlv7fqW38Zzey8kecWW77wpOQphckzuqSZ+pF34rLBQT9s9YupBc31sMydOABOrG33JyGaDluzksw7PgZOr2efqTH8TlWQr1zUV31YTlAY03pLRaClTP28oF7+3z34BTQSRg9H8JYk0jCqzb9By8rbHTHv53ZXgqdPNj7RAzUS8Qm60hpIKALCg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=/yG/NiDjff3ZnK1mXl7rRDT++qzgC3LQQhupV7VwdFY=; b=YSsGEeOLlFwD/YnoTRAx6yu1Hys8AQCr87RAZFU3I/eCBhIBvTKvEXuslMABPWSYcAGjf0zXC2YvEhW2o5CFyEE09YnLdCaKNE35cicjAZXXEFWX3YfagQ4R4aLBd+tBM4Sy8AnlPjKHHb62oDAsMS417aflPX8XgyNud5QcVys= Received: from MW4PR04CA0116.namprd04.prod.outlook.com (2603:10b6:303:83::31) by IA1PR12MB8080.namprd12.prod.outlook.com (2603:10b6:208:3fd::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6086.24; Mon, 13 Feb 2023 18:35:13 +0000 Received: from CO1NAM11FT089.eop-nam11.prod.protection.outlook.com (2603:10b6:303:83:cafe::e6) by MW4PR04CA0116.outlook.office365.com (2603:10b6:303:83::31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6086.24 via Frontend Transport; Mon, 13 Feb 2023 18:35:13 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB03.amd.com; pr=C Received: from SATLEXMB03.amd.com (165.204.84.17) by CO1NAM11FT089.mail.protection.outlook.com (10.13.175.179) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6086.24 via Frontend Transport; Mon, 13 Feb 2023 18:35:12 +0000 Received: from SATLEXMB04.amd.com (10.181.40.145) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Mon, 13 Feb 2023 12:35:10 -0600 Received: from xcbalucerop41x.xilinx.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34 via Frontend Transport; Mon, 13 Feb 2023 12:35:09 -0600 From: To: , CC: , , , , , , , , , "Alejandro Lucero" Subject: [PATCH v7 net-next 1/8] sfc: add devlink support for ef100 Date: Mon, 13 Feb 2023 18:34:21 +0000 Message-ID: <20230213183428.10734-2-alejandro.lucero-palau@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230213183428.10734-1-alejandro.lucero-palau@amd.com> References: <20230213183428.10734-1-alejandro.lucero-palau@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT089:EE_|IA1PR12MB8080:EE_ X-MS-Office365-Filtering-Correlation-Id: 8d5ec3d9-6241-47a5-80f2-08db0df10b41 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:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB03.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230025)(4636009)(346002)(39860400002)(376002)(396003)(136003)(451199018)(40470700004)(36840700001)(46966006)(316002)(8676002)(40480700001)(47076005)(82310400005)(2616005)(426003)(83380400001)(86362001)(81166007)(356005)(336012)(36860700001)(82740400003)(6636002)(110136005)(54906003)(1076003)(6666004)(40460700003)(36756003)(186003)(26005)(478600001)(5660300002)(7416002)(41300700001)(8936002)(2906002)(2876002)(70206006)(4326008)(70586007)(2004002)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Feb 2023 18:35:12.8772 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8d5ec3d9-6241-47a5-80f2-08db0df10b41 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT089.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB8080 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Alejandro Lucero Add devlink infrastructure support. Further patches add devlink info and devlink port support. Signed-off-by: Alejandro Lucero Reviewed-by: Jiri Pirko Acked-by: Martin Habets --- drivers/net/ethernet/sfc/Kconfig | 1 + drivers/net/ethernet/sfc/Makefile | 3 +- drivers/net/ethernet/sfc/ef100_netdev.c | 10 ++++ drivers/net/ethernet/sfc/efx_devlink.c | 65 +++++++++++++++++++++++++ drivers/net/ethernet/sfc/efx_devlink.h | 22 +++++++++ drivers/net/ethernet/sfc/net_driver.h | 2 + 6 files changed, 102 insertions(+), 1 deletion(-) create mode 100644 drivers/net/ethernet/sfc/efx_devlink.c create mode 100644 drivers/net/ethernet/sfc/efx_devlink.h diff --git a/drivers/net/ethernet/sfc/Kconfig b/drivers/net/ethernet/sfc/Kconfig index 0950e6b0508f..4af36ba8906b 100644 --- a/drivers/net/ethernet/sfc/Kconfig +++ b/drivers/net/ethernet/sfc/Kconfig @@ -22,6 +22,7 @@ config SFC depends on PTP_1588_CLOCK_OPTIONAL select MDIO select CRC32 + select NET_DEVLINK help This driver supports 10/40-gigabit Ethernet cards based on the Solarflare SFC9100-family controllers. diff --git a/drivers/net/ethernet/sfc/Makefile b/drivers/net/ethernet/sfc/Makefile index 712a48d00069..55b9c73cd8ef 100644 --- a/drivers/net/ethernet/sfc/Makefile +++ b/drivers/net/ethernet/sfc/Makefile @@ -6,7 +6,8 @@ sfc-y += efx.o efx_common.o efx_channels.o nic.o \ mcdi.o mcdi_port.o mcdi_port_common.o \ mcdi_functions.o mcdi_filters.o mcdi_mon.o \ ef100.o ef100_nic.o ef100_netdev.o \ - ef100_ethtool.o ef100_rx.o ef100_tx.o + ef100_ethtool.o ef100_rx.o ef100_tx.o \ + efx_devlink.o sfc-$(CONFIG_SFC_MTD) += mtd.o sfc-$(CONFIG_SFC_SRIOV) += sriov.o ef10_sriov.o ef100_sriov.o ef100_rep.o \ mae.o tc.o tc_bindings.o tc_counters.o diff --git a/drivers/net/ethernet/sfc/ef100_netdev.c b/drivers/net/ethernet/sfc/ef100_netdev.c index ddcc325ed570..6cf74788b27a 100644 --- a/drivers/net/ethernet/sfc/ef100_netdev.c +++ b/drivers/net/ethernet/sfc/ef100_netdev.c @@ -24,6 +24,7 @@ #include "rx_common.h" #include "ef100_sriov.h" #include "tc_bindings.h" +#include "efx_devlink.h" static void ef100_update_name(struct efx_nic *efx) { @@ -332,6 +333,7 @@ void ef100_remove_netdev(struct efx_probe_data *probe_data) efx_ef100_pci_sriov_disable(efx, true); #endif + efx_fini_devlink_lock(efx); ef100_unregister_netdev(efx); #ifdef CONFIG_SFC_SRIOV @@ -345,6 +347,8 @@ void ef100_remove_netdev(struct efx_probe_data *probe_data) kfree(efx->phy_data); efx->phy_data = NULL; + efx_fini_devlink_and_unlock(efx); + free_netdev(efx->net_dev); efx->net_dev = NULL; efx->state = STATE_PROBED; @@ -405,6 +409,11 @@ int ef100_probe_netdev(struct efx_probe_data *probe_data) /* Don't fail init if RSS setup doesn't work. */ efx_mcdi_push_default_indir_table(efx, efx->n_rx_channels); + /* devlink creation, registration and lock */ + rc = efx_probe_devlink_and_lock(efx); + if (rc) + pci_info(efx->pci_dev, "devlink registration failed"); + rc = ef100_register_netdev(efx); if (rc) goto fail; @@ -424,5 +433,6 @@ int ef100_probe_netdev(struct efx_probe_data *probe_data) } fail: + efx_probe_devlink_unlock(efx); return rc; } diff --git a/drivers/net/ethernet/sfc/efx_devlink.c b/drivers/net/ethernet/sfc/efx_devlink.c new file mode 100644 index 000000000000..10c96a9d6f3c --- /dev/null +++ b/drivers/net/ethernet/sfc/efx_devlink.c @@ -0,0 +1,65 @@ +// SPDX-License-Identifier: GPL-2.0-only +/**************************************************************************** + * Driver for AMD network controllers and boards + * Copyright (C) 2023, Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + */ + +#include "net_driver.h" +#include "efx_devlink.h" + +struct efx_devlink { + struct efx_nic *efx; +}; + +static const struct devlink_ops sfc_devlink_ops = { +}; + +void efx_fini_devlink_lock(struct efx_nic *efx) +{ + if (efx->devlink) + devl_lock(efx->devlink); +} + +void efx_fini_devlink_and_unlock(struct efx_nic *efx) +{ + if (efx->devlink) { + devl_unregister(efx->devlink); + devl_unlock(efx->devlink); + devlink_free(efx->devlink); + efx->devlink = NULL; + } +} + +int efx_probe_devlink_and_lock(struct efx_nic *efx) +{ + struct efx_devlink *devlink_private; + + if (efx->type->is_vf) + return 0; + + efx->devlink = devlink_alloc(&sfc_devlink_ops, + sizeof(struct efx_devlink), + &efx->pci_dev->dev); + if (!efx->devlink) + return -ENOMEM; + + devl_lock(efx->devlink); + devlink_private = devlink_priv(efx->devlink); + devlink_private->efx = efx; + + devl_register(efx->devlink); + + return 0; +} + +void efx_probe_devlink_unlock(struct efx_nic *efx) +{ + if (!efx->devlink) + return; + + devl_unlock(efx->devlink); +} diff --git a/drivers/net/ethernet/sfc/efx_devlink.h b/drivers/net/ethernet/sfc/efx_devlink.h new file mode 100644 index 000000000000..8ff85b035e87 --- /dev/null +++ b/drivers/net/ethernet/sfc/efx_devlink.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/**************************************************************************** + * Driver for AMD network controllers and boards + * Copyright (C) 2023, Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + */ + +#ifndef _EFX_DEVLINK_H +#define _EFX_DEVLINK_H + +#include "net_driver.h" +#include + +int efx_probe_devlink_and_lock(struct efx_nic *efx); +void efx_probe_devlink_unlock(struct efx_nic *efx); +void efx_fini_devlink_lock(struct efx_nic *efx); +void efx_fini_devlink_and_unlock(struct efx_nic *efx); + +#endif /* _EFX_DEVLINK_H */ diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h index 3b49e216768b..d036641dc043 100644 --- a/drivers/net/ethernet/sfc/net_driver.h +++ b/drivers/net/ethernet/sfc/net_driver.h @@ -994,6 +994,7 @@ enum efx_xdp_tx_queues_mode { * xdp_rxq_info structures? * @netdev_notifier: Netdevice notifier. * @tc: state for TC offload (EF100). + * @devlink: reference to devlink structure owned by this device * @mem_bar: The BAR that is mapped into membase. * @reg_base: Offset from the start of the bar to the function control window. * @monitor_work: Hardware monitor workitem @@ -1179,6 +1180,7 @@ struct efx_nic { struct notifier_block netdev_notifier; struct efx_tc_state *tc; + struct devlink *devlink; unsigned int mem_bar; u32 reg_base;