From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpbgeu1.qq.com (smtpbgeu1.qq.com [52.59.177.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5FB1E2BE04E; Mon, 21 Jul 2025 11:34:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=52.59.177.22 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753097654; cv=none; b=RpKa/UAuaNO+ZohveHMgmBnCsigFUTmryfqORJ68sfkRXTORNz6+dOpAUKzJgwjmnEOhNCPadKU9ipiKMAQdtKVCvCuIyQP6g07x/9hzRBKA3O555VHVkyDcYRuBAvSab7X166nJgFoTMdpbWckPiaj5PvxBIA/SYM4hhbqxjoU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753097654; c=relaxed/simple; bh=uZSfa6ZarJJVp4ixplN5Zas5ypjBwkWGTv6U/H50zdk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=QF9Bh7aYrusr6wrZCdjd4PuSXSiwyuCK9sboeyFNlGQpPvdglXVNg1KBhA6N8jOdcIG3/eF1XLFAv1UZxI5aVtz80Oiii7ZFulw+iNMgGm7JXQFN2gIOclnCoSoo0PSXEo+KEc9srVX4nesgUGiq/0X1LyQm3Y95R9DKujpR/1o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=mucse.com; spf=pass smtp.mailfrom=mucse.com; arc=none smtp.client-ip=52.59.177.22 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=mucse.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mucse.com X-QQ-mid: esmtpsz18t1753097571tb79f57e9 X-QQ-Originating-IP: grWXWpapzJS8mvDKGaDnulyivtQXCKqW/oj5lG8HJiM= Received: from localhost.localdomain ( [203.174.112.180]) by bizesmtp.qq.com (ESMTP) with id ; Mon, 21 Jul 2025 19:32:48 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 16218708113185260639 EX-QQ-RecipientCnt: 23 From: Dong Yibo To: andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, corbet@lwn.net, gur.stavi@huawei.com, maddy@linux.ibm.com, mpe@ellerman.id.au, danishanwar@ti.com, lee@trager.us, gongfan1@huawei.com, lorenzo@kernel.org, geert+renesas@glider.be, Parthiban.Veerasooran@microchip.com, lukas.bulwahn@redhat.com, alexanderduyck@fb.com, richardcochran@gmail.com Cc: netdev@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, dong100@mucse.com Subject: [PATCH v2 01/15] net: rnpgbe: Add build support for rnpgbe Date: Mon, 21 Jul 2025 19:32:24 +0800 Message-Id: <20250721113238.18615-2-dong100@mucse.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250721113238.18615-1-dong100@mucse.com> References: <20250721113238.18615-1-dong100@mucse.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: esmtpsz:mucse.com:qybglogicsvrgz:qybglogicsvrgz8a-1 X-QQ-XMAILINFO: MDo0YgvfYJuRcH5lBAUhM0aDn8aWsDPigcZe9lRzSCrNrfam2kHUlJS+ 1c4F2wlhOcmd/N9GpMwanltCucDtCwOohdlXc3MvEkT8NAYoTOhH8YiMRKaxfN7ZyHhiXa/ T3vkqgXk/JEWxk7g44BzmMA1gZE/V633DVdZTd67tLZQAyqjwQRZyZeuk9sKh04xuarNbBF 65SuWF62qS6mX9hJLJw8GejjQ4KnjwG4CDP0XWec0Ru1G5pBRXnrgx+/z5BskHnEJI86vMl IoEBxOh6CVJpmYB0xxfDV1h6+Dw026+Pv9nnK32Ic1sEjdiqMs1LTNmMC2yjaHUUCbG3z9V T5JHyGtScHWOodhwthc6OT4EPDEkW1xMV8bR1z46yhYpWjLIBbr6uGXQmNRpMAJCOvBokMX GPLPdSCj94ckq34uXVVRZacsJBnyKVsoQR6RGVnl4yWZI4XwIWr+ecCVyNjNlK8b+ro3QS9 6SCIBmbLvH3eUinqgkxeMkm4p+DoVZ1HPzFp5D7nlb/KfW7Svj9mXHyt5ORwAylZ0UU9f5J CmGn5gYg0k/3Oy6VQKXD9+RYS911xADaHsr2JRS1WOFVg2q1mbbW7cua1M/pdJgYeODBuLT 400WirpShy2xJAn8tYqoHCCvLnbsDWmVCuL6JVpCUVNcFWvQYpOLPuI3aCXivu/+7LHB9T/ dwvxm0CAA8Eltk2fiHfItIsk+KvilLX0OWbnj2XQT2aXbxCxX1fK7nTPcavnKiimO0jRXna wfwipVxqdFC8glzeCY4FT+ltJbOlVgn+0ooeSnRzVUM9G1UHzLxXUD0/j07Sy9SEs1p1R76 cSj2So2R64MmeEo8RCTxe+e8i3ZG3lF77YUvRiCK1IoDI5kgvJ2h3g89rXBZjXxE/31JyxK ooXkkkbUaaYqmsweUMFMSVzRDeab3vwUDIqen56q2VIS+IGH1jA56f0djElY8dsCGllWRYI ZCpM5AYI75JuZoI75wVxbIivIlsomAxWcgSu4ymhlaFz/3poKESxJI6Lx1BKKkjiUXH7n9g q6MEG0fhLQ1tYLc6KJaOYq/3y8tYO/Uzy2pFyITJ5XEsxK7R1LbUqd46aY1+yUrr88fuCKy SadRCy4V2ZW X-QQ-XMRINFO: OWPUhxQsoeAVDbp3OJHYyFg= X-QQ-RECHKSPAM: 0 Add build options and doc for mucse. Initialize pci device access for MUCSE devices. Signed-off-by: Dong Yibo --- .../device_drivers/ethernet/index.rst | 1 + .../device_drivers/ethernet/mucse/rnpgbe.rst | 21 ++ MAINTAINERS | 8 + drivers/net/ethernet/Kconfig | 1 + drivers/net/ethernet/Makefile | 1 + drivers/net/ethernet/mucse/Kconfig | 34 +++ drivers/net/ethernet/mucse/Makefile | 7 + drivers/net/ethernet/mucse/rnpgbe/Makefile | 9 + drivers/net/ethernet/mucse/rnpgbe/rnpgbe.h | 33 +++ .../net/ethernet/mucse/rnpgbe/rnpgbe_main.c | 226 ++++++++++++++++++ 10 files changed, 341 insertions(+) create mode 100644 Documentation/networking/device_drivers/ethernet/mucse/rnpgbe.rst create mode 100644 drivers/net/ethernet/mucse/Kconfig create mode 100644 drivers/net/ethernet/mucse/Makefile create mode 100644 drivers/net/ethernet/mucse/rnpgbe/Makefile create mode 100644 drivers/net/ethernet/mucse/rnpgbe/rnpgbe.h create mode 100644 drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c diff --git a/Documentation/networking/device_drivers/ethernet/index.rst b/Documentation/networking/device_drivers/ethernet/index.rst index 40ac552641a3..0e03c5c10d30 100644 --- a/Documentation/networking/device_drivers/ethernet/index.rst +++ b/Documentation/networking/device_drivers/ethernet/index.rst @@ -61,6 +61,7 @@ Contents: wangxun/txgbevf wangxun/ngbe wangxun/ngbevf + mucse/rnpgbe .. only:: subproject and html diff --git a/Documentation/networking/device_drivers/ethernet/mucse/rnpgbe.rst b/Documentation/networking/device_drivers/ethernet/mucse/rnpgbe.rst new file mode 100644 index 000000000000..7562fb6b8f61 --- /dev/null +++ b/Documentation/networking/device_drivers/ethernet/mucse/rnpgbe.rst @@ -0,0 +1,21 @@ +.. SPDX-License-Identifier: GPL-2.0 + +=========================================================== +Linux Base Driver for MUCSE(R) Gigabit PCI Express Adapters +=========================================================== + +MUCSE Gigabit Linux driver. +Copyright (c) 2020 - 2025 MUCSE Co.,Ltd. + +Identifying Your Adapter +======================== +The driver is compatible with devices based on the following: + + * MUCSE(R) Ethernet Controller N500 series + * MUCSE(R) Ethernet Controller N210 series + +Support +======= + If you have problems with the software or hardware, please contact our + customer support team via email at techsupport@mucse.com or check our + website at https://www.mucse.com/en/ diff --git a/MAINTAINERS b/MAINTAINERS index 1bc1698bc5ae..da0d12e77ddc 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17033,6 +17033,14 @@ T: git git://linuxtv.org/media.git F: Documentation/devicetree/bindings/media/i2c/aptina,mt9v111.yaml F: drivers/media/i2c/mt9v111.c +MUCSE ETHERNET DRIVER +M: Yibo Dong +L: netdev@vger.kernel.org +S: Maintained +W: https://www.mucse.com/en/ +F: Documentation/networking/device_drivers/ethernet/mucse/* +F: drivers/net/ethernet/mucse/* + MULTIFUNCTION DEVICES (MFD) M: Lee Jones S: Maintained diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig index f86d4557d8d7..77c55fa11942 100644 --- a/drivers/net/ethernet/Kconfig +++ b/drivers/net/ethernet/Kconfig @@ -202,5 +202,6 @@ source "drivers/net/ethernet/wangxun/Kconfig" source "drivers/net/ethernet/wiznet/Kconfig" source "drivers/net/ethernet/xilinx/Kconfig" source "drivers/net/ethernet/xircom/Kconfig" +source "drivers/net/ethernet/mucse/Kconfig" endif # ETHERNET diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile index 67182339469a..696825bd1211 100644 --- a/drivers/net/ethernet/Makefile +++ b/drivers/net/ethernet/Makefile @@ -107,3 +107,4 @@ obj-$(CONFIG_NET_VENDOR_XIRCOM) += xircom/ obj-$(CONFIG_NET_VENDOR_SYNOPSYS) += synopsys/ obj-$(CONFIG_NET_VENDOR_PENSANDO) += pensando/ obj-$(CONFIG_OA_TC6) += oa_tc6.o +obj-$(CONFIG_NET_VENDOR_MUCSE) += mucse/ diff --git a/drivers/net/ethernet/mucse/Kconfig b/drivers/net/ethernet/mucse/Kconfig new file mode 100644 index 000000000000..be0fdf268484 --- /dev/null +++ b/drivers/net/ethernet/mucse/Kconfig @@ -0,0 +1,34 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# Mucse network device configuration +# + +config NET_VENDOR_MUCSE + bool "Mucse devices" + default y + help + If you have a network (Ethernet) card from Mucse(R), say Y. + + Note that the answer to this question doesn't directly affect the + kernel: saying N will just cause the configurator to skip all + the questions about Mucse(R) cards. If you say Y, you will + be asked for your specific card in the following questions. + +if NET_VENDOR_MUCSE + +config MGBE + tristate "Mucse(R) 1GbE PCI Express adapters support" + depends on PCI + select PAGE_POOL + help + This driver supports Mucse(R) 1GbE PCI Express family of + adapters. + + More specific information on configuring the driver is in + . + + To compile this driver as a module, choose M here. The module + will be called rnpgbe. + +endif # NET_VENDOR_MUCSE + diff --git a/drivers/net/ethernet/mucse/Makefile b/drivers/net/ethernet/mucse/Makefile new file mode 100644 index 000000000000..f0bd79882488 --- /dev/null +++ b/drivers/net/ethernet/mucse/Makefile @@ -0,0 +1,7 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Makefile for the Mucse(R) network device drivers. +# + +obj-$(CONFIG_MGBE) += rnpgbe/ + diff --git a/drivers/net/ethernet/mucse/rnpgbe/Makefile b/drivers/net/ethernet/mucse/rnpgbe/Makefile new file mode 100644 index 000000000000..0942e27f5913 --- /dev/null +++ b/drivers/net/ethernet/mucse/rnpgbe/Makefile @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright(c) 2020 - 2025 MUCSE Corporation. +# +# Makefile for the MUCSE(R) 1GbE PCI Express ethernet driver +# + +obj-$(CONFIG_MGBE) += rnpgbe.o + +rnpgbe-objs := rnpgbe_main.o diff --git a/drivers/net/ethernet/mucse/rnpgbe/rnpgbe.h b/drivers/net/ethernet/mucse/rnpgbe/rnpgbe.h new file mode 100644 index 000000000000..224e395d6be3 --- /dev/null +++ b/drivers/net/ethernet/mucse/rnpgbe/rnpgbe.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright(c) 2020 - 2025 Mucse Corporation. */ + +#ifndef _RNPGBE_H +#define _RNPGBE_H + +enum rnpgbe_boards { + board_n500, + board_n210, + board_n210L, +}; + +struct mucse { + struct net_device *netdev; + struct pci_dev *pdev; + /* board number */ + u16 bd_number; + + char name[60]; +}; + +/* Device IDs */ +#ifndef PCI_VENDOR_ID_MUCSE +#define PCI_VENDOR_ID_MUCSE 0x8848 +#endif /* PCI_VENDOR_ID_MUCSE */ + +#define PCI_DEVICE_ID_N500_QUAD_PORT 0x8308 +#define PCI_DEVICE_ID_N500_DUAL_PORT 0x8318 +#define PCI_DEVICE_ID_N500_VF 0x8309 +#define PCI_DEVICE_ID_N210 0x8208 +#define PCI_DEVICE_ID_N210L 0x820a + +#endif /* _RNPGBE_H */ diff --git a/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c b/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c new file mode 100644 index 000000000000..13b49875006b --- /dev/null +++ b/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c @@ -0,0 +1,226 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright(c) 2020 - 2025 Mucse Corporation. */ + +#include +#include +#include +#include +#include +#include + +#include "rnpgbe.h" + +char rnpgbe_driver_name[] = "rnpgbe"; + +/* rnpgbe_pci_tbl - PCI Device ID Table + * + * { PCI_DEVICE(Vendor ID, Device ID), + * driver_data (used for different hw chip) } + */ +static struct pci_device_id rnpgbe_pci_tbl[] = { + { PCI_DEVICE(PCI_VENDOR_ID_MUCSE, PCI_DEVICE_ID_N500_QUAD_PORT), + .driver_data = board_n500}, + { PCI_DEVICE(PCI_VENDOR_ID_MUCSE, PCI_DEVICE_ID_N500_DUAL_PORT), + .driver_data = board_n500}, + { PCI_DEVICE(PCI_VENDOR_ID_MUCSE, PCI_DEVICE_ID_N210), + .driver_data = board_n210}, + { PCI_DEVICE(PCI_VENDOR_ID_MUCSE, PCI_DEVICE_ID_N210L), + .driver_data = board_n210L}, + /* required last entry */ + {0, }, +}; + +/** + * rnpgbe_add_adapter - add netdev for this pci_dev + * @pdev: PCI device information structure + * + * rnpgbe_add_adapter initializes a netdev for this pci_dev + * structure. Initializes Bar map, private structure, and a + * hardware reset occur. + * + * @return: 0 on success, negative on failure + **/ +static int rnpgbe_add_adapter(struct pci_dev *pdev) +{ + struct mucse *mucse = NULL; + struct net_device *netdev; + static int bd_number; + + netdev = alloc_etherdev_mq(sizeof(struct mucse), 1); + if (!netdev) + return -ENOMEM; + + mucse = netdev_priv(netdev); + mucse->netdev = netdev; + mucse->pdev = pdev; + mucse->bd_number = bd_number++; + snprintf(mucse->name, sizeof(netdev->name), "%s%d", + rnpgbe_driver_name, mucse->bd_number); + pci_set_drvdata(pdev, mucse); + + return 0; +} + +/** + * rnpgbe_probe - Device Initialization Routine + * @pdev: PCI device information struct + * @id: entry in rnpgbe_pci_tbl + * + * rnpgbe_probe initializes a PF adapter identified by a pci_dev + * structure. The OS initialization, then call rnpgbe_add_adapter + * to initializes netdev. + * + * @return: 0 on success, negative on failure + **/ +static int rnpgbe_probe(struct pci_dev *pdev, const struct pci_device_id *id) +{ + int err; + + err = pci_enable_device_mem(pdev); + if (err) + return err; + + /* hw only support 56-bits dma mask */ + err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(56)); + if (err) { + dev_err(&pdev->dev, + "No usable DMA configuration, aborting\n"); + goto err_dma; + } + + err = pci_request_mem_regions(pdev, rnpgbe_driver_name); + if (err) { + dev_err(&pdev->dev, + "pci_request_selected_regions failed 0x%x\n", err); + goto err_pci_req; + } + + pci_set_master(pdev); + pci_save_state(pdev); + err = rnpgbe_add_adapter(pdev); + if (err) + goto err_regions; + + return 0; +err_regions: + pci_release_mem_regions(pdev); +err_dma: +err_pci_req: + pci_disable_device(pdev); + return err; +} + +/** + * rnpgbe_rm_adapter - remove netdev for this mucse structure + * @mucse: pointer to private structure + * + * rnpgbe_rm_adapter remove a netdev for this mucse structure + **/ +static void rnpgbe_rm_adapter(struct mucse *mucse) +{ + struct net_device *netdev; + + netdev = mucse->netdev; + free_netdev(netdev); +} + +/** + * rnpgbe_remove - Device Removal Routine + * @pdev: PCI device information struct + * + * rnpgbe_remove is called by the PCI subsystem to alert the driver + * that it should release a PCI device. This could be caused by a + * Hot-Plug event, or because the driver is going to be removed from + * memory. + **/ +static void rnpgbe_remove(struct pci_dev *pdev) +{ + struct mucse *mucse = pci_get_drvdata(pdev); + + if (!mucse) + return; + + rnpgbe_rm_adapter(mucse); + pci_release_mem_regions(pdev); + pci_disable_device(pdev); +} + +/** + * rnpgbe_dev_shutdown - Device Shutdown Routine + * @pdev: PCI device information struct + * @enable_wake: wakeup status + **/ +static void rnpgbe_dev_shutdown(struct pci_dev *pdev, + bool *enable_wake) +{ + struct mucse *mucse = pci_get_drvdata(pdev); + struct net_device *netdev = mucse->netdev; + + *enable_wake = false; + netif_device_detach(netdev); + pci_disable_device(pdev); +} + +/** + * rnpgbe_shutdown - Device Shutdown Routine + * @pdev: PCI device information struct + * + * rnpgbe_shutdown is called by the PCI subsystem to alert the driver + * that os shutdown. Device should setup wakeup state here. + **/ +static void rnpgbe_shutdown(struct pci_dev *pdev) +{ + bool wake = false; + + rnpgbe_dev_shutdown(pdev, &wake); + + if (system_state == SYSTEM_POWER_OFF) { + pci_wake_from_d3(pdev, wake); + pci_set_power_state(pdev, PCI_D3hot); + } +} + +static struct pci_driver rnpgbe_driver = { + .name = rnpgbe_driver_name, + .id_table = rnpgbe_pci_tbl, + .probe = rnpgbe_probe, + .remove = rnpgbe_remove, + .shutdown = rnpgbe_shutdown, +}; + +/** + * rnpgbe_init_module - driver init routine + * + * rnpgbe_init_module is called when driver insmod + * + * @return: 0 on success, negative on failure + **/ +static int __init rnpgbe_init_module(void) +{ + int ret; + + ret = pci_register_driver(&rnpgbe_driver); + if (ret) + return ret; + + return 0; +} + +module_init(rnpgbe_init_module); + +/** + * rnpgbe_exit_module - driver remove routine + * + * rnpgbe_exit_module is called when driver is removed + **/ +static void __exit rnpgbe_exit_module(void) +{ + pci_unregister_driver(&rnpgbe_driver); +} + +module_exit(rnpgbe_exit_module); + +MODULE_DEVICE_TABLE(pci, rnpgbe_pci_tbl); +MODULE_AUTHOR("Mucse Corporation, "); +MODULE_DESCRIPTION("Mucse(R) 1 Gigabit PCI Express Network Driver"); +MODULE_LICENSE("GPL"); -- 2.25.1