From nobody Fri Oct 3 10:15:31 2025 Received: from smtpbg154.qq.com (smtpbg154.qq.com [15.184.224.54]) (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 91026139D; Wed, 3 Sep 2025 02:55:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=15.184.224.54 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756868115; cv=none; b=Q3fqP/bnyIxEBORzsU4DijDrINNdrYSFJzeZPx3VaRaAffsMnnNHy4stMGCP7H8aYRkEg4VwrHkeLHVfh3B6WVXf4FzFDx2N6Bxp6F+U+OtRVeTSCs2AAYDkWVbHv+EEVXRAD31UpIG6N/mO00ZXiUZRvGKWaOh5WPMolfWeuOM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756868115; c=relaxed/simple; bh=nJYZ9kaBJ5sJ1DrrcONc3/GM3pvcoFG2DiYiq81sTlk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=V3t9gnCefRyqVhlC1GaGmejkM6hrA63i4av1kaCWyWceA6/5P5aFlD37JKns3SbPoniNbXC0C8jmL/wVoSSL0Bs2yeO/lEiQGrb/BMAIBMykfDYwj5i2sq+ZxaybIEqYHEGIelA/aFvU2mXq2KJw5bB7GABsUfZGcui2FQAv98k= 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=15.184.224.54 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: esmtpsz11t1756868083td0e88992 X-QQ-Originating-IP: lhpXA2fwrjkLTa/r+pnPJTsaH1QxNygFH6Zud94/DDM= Received: from localhost.localdomain ( [203.174.112.180]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 03 Sep 2025 10:54:40 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 7215321869843955157 EX-QQ-RecipientCnt: 29 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, kees@kernel.org, gustavoars@kernel.org, rdunlap@infradead.org, vadim.fedorenko@linux.dev Cc: netdev@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, dong100@mucse.com, Andrew Lunn Subject: [PATCH net-next v10 1/5] net: rnpgbe: Add build support for rnpgbe Date: Wed, 3 Sep 2025 10:54:26 +0800 Message-Id: <20250903025430.864836-2-dong100@mucse.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250903025430.864836-1-dong100@mucse.com> References: <20250903025430.864836-1-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: quoted-printable X-QQ-SENDSIZE: 520 Feedback-ID: esmtpsz:mucse.com:qybglogicsvrgz:qybglogicsvrgz8a-1 X-QQ-XMAILINFO: NNy5VkfPTUBBuNNmxhriBz2S5GZrlEumVKodxPmP8VeL+C+7Vfw5Bdux +4stseB4F/CdihmIYkliHkXaE+KBzz3kwAza2yQlOJtwoLLuL/GyBIft6biBc0GOd+PwVzV MmIah2IrXnJ8m/1mDQLHP8PXt4rsL3aCmRRn28dRZAV1PItHwa7R9EtkO31gXIXw5Q+UTYV L9T0D/t2JC+3vzkoVbYNsdWGT5/AG4hWbxbIse1gX4XKNXjnUUYjjEO9hmCUcr4LXv9HF8e KXATl2ThhpPyzGjDqYfh8He2Fvg24UFhfABLLqI5FdsAFT5fVJm7Io3jutBkUuMJpyLt148 PqzyH674OlgSDJrSUEx3O4kDQXypK3DcSuEpuCS796N+wgkKxfBVKZ9zSgeDOCVv9UuRru7 3Wbam8FnLdoe8QX6v3AXvDforqitnCVZ1YdfcPXit2AYq+BJ07jaHqcm/Kng0V7CHg/7K44 puEVYoM2vu5iHrAKIyOsyXKL7argQ1FFP+ADb0Lv3/mvnDuXalOsW2p5PWihYcUhPqN5BP9 I4CdnS5NKDDZMuAeaYfv41XcmF6RwEQXifXvMka8MB70wf979lHblfgflweo3KG2JyGfQS7 PStomjufg1xAHhyEG7bDytVeR8Z3BBfNdaQyaTguZWrlksrfTqKWmg+aCW1pnAgjjE2DBM7 9j6+mRwX1n1KQ8uQZGH5OB4xJCBWN9ssBzFqJWqBoqXFgh4HYBLYtrcMa+pSYwjqO4M5LCV sCd8EJwkoFNBES3+crGyBFX43klJlZUC2modYzh6VLP+o0qoxji9Ngk2WM5nT/RLqUm4kcd paUbzPcDJ/MTcvhW/ui42cABT7IwwgofqJo1fh9JuN4uFsnUt525NCx43nR3Mae0pfI9c9G +28SQQ9FFyf4nFqfCbPk5tCOuRXc8rel8amtoMUTWt1Aop3VC0y3Qrd2glun+A1t0gdb6PT w5M64V6npzFIW30Zwsvwmn7RTIQAoUkQFqV0Scbq7KIWXGx6KqBKDtzipCSEPTdoJXq2oF3 t1uUDr1VQWcl8WAQY7RkqVNqURGiL3fhnT23d62aFrEdultzV1zk/DHtJHLYM= X-QQ-XMRINFO: Mp0Kj//9VHAxr69bL5MkOOs= X-QQ-RECHKSPAM: 0 Content-Type: text/plain; charset="utf-8" Add build options and doc for mucse. Initialize pci device access for MUCSE devices. Signed-off-by: Dong Yibo Reviewed-by: Andrew Lunn --- .../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 | 8 ++ drivers/net/ethernet/mucse/rnpgbe/rnpgbe.h | 24 ++++ .../net/ethernet/mucse/rnpgbe/rnpgbe_main.c | 126 ++++++++++++++++++ 10 files changed, 231 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/D= ocumentation/networking/device_drivers/ethernet/index.rst index 0b0a3eef6aae..41ff2152b7aa 100644 --- a/Documentation/networking/device_drivers/ethernet/index.rst +++ b/Documentation/networking/device_drivers/ethernet/index.rst @@ -47,6 +47,7 @@ Contents: mellanox/mlx5/index meta/fbnic microsoft/netvsc + mucse/rnpgbe neterion/s2io netronome/nfp pensando/ionic 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 + +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D +Linux Base Driver for MUCSE(R) Gigabit PCI Express Adapters +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D + +MUCSE Gigabit Linux driver. +Copyright (c) 2020 - 2025 MUCSE Co.,Ltd. + +Identifying Your Adapter +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D +The driver is compatible with devices based on the following: + + * MUCSE(R) Ethernet Controller N500 series + * MUCSE(R) Ethernet Controller N210 series + +Support +=3D=3D=3D=3D=3D=3D=3D + 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 6cad6225381a..ca4e7f96d880 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17305,6 +17305,14 @@ T: git git://linuxtv.org/media.git F: Documentation/devicetree/bindings/media/i2c/aptina,mt9v111.yaml F: drivers/media/i2c/mt9v111.c =20 +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..167388f9c744 100644 --- a/drivers/net/ethernet/Kconfig +++ b/drivers/net/ethernet/Kconfig @@ -129,6 +129,7 @@ source "drivers/net/ethernet/microchip/Kconfig" source "drivers/net/ethernet/mscc/Kconfig" source "drivers/net/ethernet/microsoft/Kconfig" source "drivers/net/ethernet/moxa/Kconfig" +source "drivers/net/ethernet/mucse/Kconfig" source "drivers/net/ethernet/myricom/Kconfig" =20 config FEALNX diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile index 67182339469a..1b8c4df3f594 100644 --- a/drivers/net/ethernet/Makefile +++ b/drivers/net/ethernet/Makefile @@ -65,6 +65,7 @@ obj-$(CONFIG_NET_VENDOR_MICREL) +=3D micrel/ obj-$(CONFIG_NET_VENDOR_MICROCHIP) +=3D microchip/ obj-$(CONFIG_NET_VENDOR_MICROSEMI) +=3D mscc/ obj-$(CONFIG_NET_VENDOR_MOXART) +=3D moxa/ +obj-$(CONFIG_NET_VENDOR_MUCSE) +=3D mucse/ obj-$(CONFIG_NET_VENDOR_MYRI) +=3D myricom/ obj-$(CONFIG_FEALNX) +=3D fealnx.o obj-$(CONFIG_NET_VENDOR_NATSEMI) +=3D natsemi/ diff --git a/drivers/net/ethernet/mucse/Kconfig b/drivers/net/ethernet/mucs= e/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/muc= se/Makefile new file mode 100644 index 000000000000..675173fa05f7 --- /dev/null +++ b/drivers/net/ethernet/mucse/Makefile @@ -0,0 +1,7 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright(c) 2020 - 2025 MUCSE Corporation. +# +# Makefile for the MUCSE(R) network device drivers +# + +obj-$(CONFIG_MGBE) +=3D rnpgbe/ diff --git a/drivers/net/ethernet/mucse/rnpgbe/Makefile b/drivers/net/ether= net/mucse/rnpgbe/Makefile new file mode 100644 index 000000000000..9df536f0d04c --- /dev/null +++ b/drivers/net/ethernet/mucse/rnpgbe/Makefile @@ -0,0 +1,8 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright(c) 2020 - 2025 MUCSE Corporation. +# +# Makefile for the MUCSE(R) 1GbE PCI Express ethernet driver +# + +obj-$(CONFIG_MGBE) +=3D rnpgbe.o +rnpgbe-objs :=3D rnpgbe_main.o diff --git a/drivers/net/ethernet/mucse/rnpgbe/rnpgbe.h b/drivers/net/ether= net/mucse/rnpgbe/rnpgbe.h new file mode 100644 index 000000000000..64b2c093bc6e --- /dev/null +++ b/drivers/net/ethernet/mucse/rnpgbe/rnpgbe.h @@ -0,0 +1,24 @@ +/* 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; +}; + +/* Device IDs */ +#define PCI_VENDOR_ID_MUCSE 0x8848 +#define PCI_DEVICE_ID_N500_QUAD_PORT 0x8308 +#define PCI_DEVICE_ID_N500_DUAL_PORT 0x8318 +#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..98905607e74b --- /dev/null +++ b/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c @@ -0,0 +1,126 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright(c) 2020 - 2025 Mucse Corporation. */ + +#include +#include +#include + +#include "rnpgbe.h" + +static const char rnpgbe_driver_name[] =3D "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[] =3D { + { PCI_DEVICE(PCI_VENDOR_ID_MUCSE, PCI_DEVICE_ID_N500_QUAD_PORT), + .driver_data =3D board_n500}, + { PCI_DEVICE(PCI_VENDOR_ID_MUCSE, PCI_DEVICE_ID_N500_DUAL_PORT), + .driver_data =3D board_n500}, + { PCI_DEVICE(PCI_VENDOR_ID_MUCSE, PCI_DEVICE_ID_N210), + .driver_data =3D board_n210}, + { PCI_DEVICE(PCI_VENDOR_ID_MUCSE, PCI_DEVICE_ID_N210L), + .driver_data =3D board_n210L}, + /* required last entry */ + {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. + * + * Return: 0 on success, negative errno on failure + **/ +static int rnpgbe_probe(struct pci_dev *pdev, const struct pci_device_id *= id) +{ + int err; + + err =3D pci_enable_device_mem(pdev); + if (err) + return err; + + err =3D dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(56)); + if (err) { + dev_err(&pdev->dev, + "No usable DMA configuration, aborting %d\n", err); + goto err_disable_dev; + } + + err =3D pci_request_mem_regions(pdev, rnpgbe_driver_name); + if (err) { + dev_err(&pdev->dev, + "pci_request_selected_regions failed %d\n", err); + goto err_disable_dev; + } + + pci_set_master(pdev); + err =3D pci_save_state(pdev); + if (err) { + dev_err(&pdev->dev, "pci_save_state failed %d\n", err); + goto err_free_regions; + } + + return 0; +err_free_regions: + pci_release_mem_regions(pdev); +err_disable_dev: + pci_disable_device(pdev); + return err; +} + +/** + * 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) +{ + pci_release_mem_regions(pdev); + pci_disable_device(pdev); +} + +/** + * rnpgbe_dev_shutdown - Device shutdown routine + * @pdev: PCI device information struct + **/ +static void rnpgbe_dev_shutdown(struct pci_dev *pdev) +{ + 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) +{ + rnpgbe_dev_shutdown(pdev); +} + +static struct pci_driver rnpgbe_driver =3D { + .name =3D rnpgbe_driver_name, + .id_table =3D rnpgbe_pci_tbl, + .probe =3D rnpgbe_probe, + .remove =3D rnpgbe_remove, + .shutdown =3D rnpgbe_shutdown, +}; + +module_pci_driver(rnpgbe_driver); + +MODULE_DEVICE_TABLE(pci, rnpgbe_pci_tbl); +MODULE_AUTHOR("Mucse Corporation, "); +MODULE_DESCRIPTION("Mucse(R) 1 Gigabit PCI Express Network Driver"); +MODULE_LICENSE("GPL"); --=20 2.25.1