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Message-ID: <D6DDF24A13236761+20250722030245.GA96891@nic-Precision-5820-Tower>
Date: Tue, 22 Jul 2025 11:02:45 +0800
From: Yibo Dong <dong100@...se.com>
To: Vadim Fedorenko <vadim.fedorenko@...ux.dev>
Cc: 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,
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 Mon, Jul 21, 2025 at 02:30:40PM +0100, Vadim Fedorenko wrote:
> 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
>
Got it, I will update this.
> > +
> > +#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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