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Message-ID: <32fc367c-46a4-4c76-b8a8-494bf79a6409@linux.dev>
Date: Mon, 21 Jul 2025 14:30:40 +0100
From: Vadim Fedorenko <vadim.fedorenko@...ux.dev>
To: Dong Yibo <dong100@...se.com>, andrew+netdev@...n.ch,
davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
pabeni@...hat.com, horms@...nel.org, corbet@....net, gur.stavi@...wei.com,
maddy@...ux.ibm.com, mpe@...erman.id.au, danishanwar@...com, lee@...ger.us,
gongfan1@...wei.com, lorenzo@...nel.org, geert+renesas@...der.be,
Parthiban.Veerasooran@...rochip.com, lukas.bulwahn@...hat.com,
alexanderduyck@...com, richardcochran@...il.com
Cc: netdev@...r.kernel.org, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 01/15] net: rnpgbe: Add build support for rnpgbe
On 21/07/2025 12:32, Dong Yibo wrote:
> Add build options and doc for mucse.
> Initialize pci device access for MUCSE devices.
>
> Signed-off-by: Dong Yibo <dong100@...se.com>
> ---
> .../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@...se.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 <dong100@...se.com>
> +L: netdev@...r.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 <lee@...nel.org>
> 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-$(CONFIG_NET_VENDOR_MUCSE) += mucse/
> diff --git a/drivers/net/ethernet/mucse/Kconfig b/drivers/net/ethernet/mucse/Kconfig
> new file mode 100644
> index 000000000000..be0fdf268484
> --- /dev/null
> +++ b/drivers/net/ethernet/mucse/Kconfig
> @@ -0,0 +1,34 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +#
> +# Mucse network device configuration
> +#
> +
> +config NET_VENDOR_MUCSE
> + bool "Mucse devices"
> + default y
> + help
> + If you have a network (Ethernet) card from Mucse(R), say Y.
> +
> + Note that the answer to this question doesn't directly affect the
> + kernel: saying N will just cause the configurator to skip all
> + the questions about Mucse(R) cards. If you say Y, you will
> + be asked for your specific card in the following questions.
> +
> +if NET_VENDOR_MUCSE
> +
> +config MGBE
> + tristate "Mucse(R) 1GbE PCI Express adapters support"
> + depends on PCI
> + select PAGE_POOL
> + help
> + This driver supports Mucse(R) 1GbE PCI Express family of
> + adapters.
> +
> + More specific information on configuring the driver is in
> + <file:Documentation/networking/device_drivers/ethernet/mucse/rnpgbe.rst>.
> +
> + To compile this driver as a module, choose M here. The module
> + will be called rnpgbe.
> +
> +endif # NET_VENDOR_MUCSE
> +
> diff --git a/drivers/net/ethernet/mucse/Makefile b/drivers/net/ethernet/mucse/Makefile
> new file mode 100644
> index 000000000000..f0bd79882488
> --- /dev/null
> +++ b/drivers/net/ethernet/mucse/Makefile
> @@ -0,0 +1,7 @@
> +# SPDX-License-Identifier: GPL-2.0
> +#
> +# Makefile for the Mucse(R) network device drivers.
> +#
> +
> +obj-$(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 */
this should go to include/linux/pci_ids.h without any ifdefs
> +
> +#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 */
[...]
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